CN203697370U - Plunger type injection molding machine capable of ensuring surface of formed plastic part to be smooth - Google Patents
Plunger type injection molding machine capable of ensuring surface of formed plastic part to be smooth Download PDFInfo
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- CN203697370U CN203697370U CN201420059703.7U CN201420059703U CN203697370U CN 203697370 U CN203697370 U CN 203697370U CN 201420059703 U CN201420059703 U CN 201420059703U CN 203697370 U CN203697370 U CN 203697370U
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- evaporation
- evaporation tubes
- condensation
- barrel
- injection molding
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a plunger type injection molding machine capable of ensuring the surface of a formed plastic part to be smooth. The plunger type injection molding machine is composed of an injection part and a mold closing part, which are connected with each other, wherein in the injection part, an evaporation well is arranged between a charging barrel and an injection nozzle; a heater independent of an electric heating coil on the outer wall of the charging barrel is arranged on the outer wall of the evaporation well; an evaporation pipeline extending to the external part of the injection molding machine from the interior of the evaporation well is arranged at the upper end of the evaporation well; the evaporation pipeline is communicated to a vacuum pump. The plunger type injection molding machine capable of ensuring the surface of the formed plastic part to be smooth has the advantage that molten materials do not contain excess moisture and volatile matters, therefore, that the smoothness degree of the surface of the plastic part is damaged because lines are produced on the surface of the plastic part by the moisture and volatile matters can be avoided during the injection molding process.
Description
Technical field
The utility model relates to a kind of plasticizing forming equipment, especially a kind of plunger-type injection molding machine of guaranteeing moulding plastic surface smoothing.
Background technology
Injection machine is the processing equipment of use amount maximum in Plastics Processing Industry, not only has a large amount of products directly to produce with injection machine, but also is the key equipment of composition injection stretch blow moulding.In prior art, because the raw material in injection machine contains partial impurities, and the volatile matter that the evaporation that produces in melting process of raw material produces is mingled in fused raw material, and the finished surface of its plasticizing forming tends to occur the various lines such as crazing, water wave or ripple; Above-mentioned phenomenon affects product appearance on the one hand, also can affect to the performance of product.
Utility model content
The technical problem to be solved in the present invention is to provide a kind of injection machine, and lines appears in its product surface that can avoid injection molding to form, thereby affects product quality.
For solving the problems of the technologies described above, the utility model provides a kind of plunger-type injection molding machine of guaranteeing moulding plastic surface smoothing, and it is made up of interconnective injection portion and matched moulds part, and described injection portion is made up of feeding device, barrel, plunger and nozzle; Described feeding device is arranged on barrel upper end, and is interconnected with barrel; Described barrel outer wall is provided with and adds thermoelectricity circle; Described plunger is coaxial with barrel, and its one end extends to barrel inside, and the other end is connected with hydraulic means; Described nozzle is arranged on barrel one end, and is connected with matched moulds part; In described matched moulds part, be provided with mould.In described injection portion, between barrel and nozzle, be provided with evaporation well; Described evaporation well outer wall is provided with and is independent of the heater that barrel outer wall adds thermoelectricity circle, evaporates aboveground end and be provided with spontaneous evaporation well inside and extend to the evaporation tubes of injection machine outside; Described evaporation tubes is communicated to vavuum pump.
As a kind of improvement of the present utility model, the axis of described evaporation tubes and barrel scope that axis acutangulates are 30 ° to 45 °, and it can effectively avoid the gaseous impurity of evaporation in fused raw material to be back in fused raw material under Action of Gravity Field.
As a kind of improvement of the present utility model, described evaporation tubes is by the first evaporation tubes being communicated with evaporation well, and the second evaporation tubes being communicated with vavuum pump forms; Described the second evaporation tubes inside is provided with condensation pipe, between described the first evaporation tubes and the second evaporation tubes, is communicated with near one end of the first evaporation tubes by condensation pipe.Adopt above-mentioned design, it can make the gaseous impurity of evaporation in fused raw material, in condensation pipe, its part composition condensation be become to solid or liquid, and avoiding it directly to pass into affects equipment performance in vavuum pump.
As a kind of improvement of the present utility model, described condensation pipe is arranged on condensation pipe inside by many, and the condensation bypass line of extending along the second evaporation tubes bearing of trend forms; In many condensation bypass line, all include the condensation entrance being communicated with the first evaporation tubes, and the condensation being communicated with vavuum pump outlet; Described condensation bypass line is near the end of the first evaporation tubes, and its diameter is increased to condensation entrance gradually by condensation pipe inside; The condensation entrance of many condensation bypass line contacts each other; Described condensation pipe bypass line inside is provided with spiral helicine cold plate.Adopt above-mentioned design, it can effectively increase the contact area between gaseous impurity and the condensation pipe evaporating in fused raw material, thereby improves its condensation effect.
As a kind of improvement of the present utility model, in described the first evaporation tubes, its end near the second evaporation tubes is provided with the collection conduit that is connected to the receiving flask that is arranged on evaporation tubes outside; Described collection conduit is along extending perpendicular to horizontal plane direction, and it can effectively collect gaseous impurity condensation gains in condenser pipe, avoids it to remain in evaporation tubes, equipment is damaged, or be back to barrel inside, affects fused raw material purity.
The above-mentioned plunger-type injection molding machine of guaranteeing moulding plastic surface smoothing, it can heat the fused raw material flowing in evaporation well in the time of work, in the time that it reaches uniform temperature, in fused raw material, impurity is evaporated, thereby the purity of the fused raw material that evaporates well inside is improved; Under the effect of vavuum pump, the gaseous impurity evaporating in fused raw material and go out is along moving upward in evaporation tubes, thereby make not contain in fused raw material excessive moisture and volatile matter, and then make it in the process of injection mo(u)lding, can avoid moisture and volatile matter content to produce lines on injecting products surface, destroy plastic smooth surface degree.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram;
Fig. 2 is vaporising device schematic diagram in the utility model;
Fig. 3 is condensation bypass line schematic diagram in the utility model;
Description of reference numerals:
1-feeding device, 2-barrel, 3-plunger, 4-nozzle, 5-add thermoelectricity circle, 6-hydraulic means, 7-mould, 8-evaporation well, 9-heater, 10-vavuum pump, the 11-the first evaporation tubes, the 12-the second evaporation tubes, 13-condensation bypass line, 14-cold plate, 15-collection conduit.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand the following specific embodiment and only be not used in restriction scope of the present utility model for the utility model is described.
A kind of plunger-type injection molding machine of guaranteeing moulding plastic surface smoothing as shown in Figure 1, it is made up of interconnective injection portion and matched moulds part, and described injection portion is made up of feeding device 1, barrel 2, plunger 3 and nozzle 4; Described feeding device 1 is arranged on barrel 2 upper ends, and is interconnected with barrel 2; Described barrel 2 outer walls are provided with and add thermoelectricity circle 5; Described plunger 3 is coaxial with barrel 2, and its one end extends to barrel 2 inside, and the other end is connected with hydraulic means 6; Described nozzle 4 is arranged on barrel 2 one end, and is connected with matched moulds part; In described matched moulds part, be provided with mould 7.In described injection portion, between barrel 2 and nozzle 4, be provided with evaporation well 8; Described evaporation well 8 outer walls are provided with and are independent of the heater 9 that barrel outer wall adds thermoelectricity circle 5, and evaporation well 8 upper ends are provided with spontaneous evaporation well 8 inside and extend to the evaporation tubes of injection machine outside; Described evaporation tubes is communicated to vavuum pump 10.
As a kind of improvement of the present utility model, the axis of described evaporation tubes and barrel 2 scopes that axis acutangulates are 30 ° to 45 °, and it can effectively avoid the gaseous impurity of evaporation in fused raw material to be back in fused raw material under Action of Gravity Field.
As a kind of improvement of the present utility model, described evaporation tubes is by the first evaporation tubes 11 being communicated with evaporation well 2, and the second evaporation tubes 12 being communicated with vavuum pump 10 forms; Described the second evaporation tubes 12 inside are provided with condensation pipe 13, between described the first evaporation tubes 11 and the second evaporation tubes 12, are communicated with near one end of the first evaporation tubes by condensation pipe 13.Adopt above-mentioned design, it can make the gaseous impurity of evaporation in fused raw material, in condensation pipe, its part composition condensation be become to solid or liquid, and avoiding it directly to pass into affects equipment performance in vavuum pump.
As a kind of improvement of the present utility model, described condensation pipe is arranged on condensation pipe inside by many, and the condensation bypass line 13 of extending along the second evaporation tubes 12 bearing of trends forms; In many condensation bypass line 13, all include the condensation entrance being communicated with the first evaporation tubes 11, and the condensation being communicated with vavuum pump outlet; Described condensation bypass line 13 is near the end of the first evaporation tubes 11, and its diameter is increased to condensation entrance gradually by condensation pipe inside; The condensation entrance of many condensation bypass line 13 contacts each other; Described condensation pipe bypass line 13 inside are provided with spiral helicine cold plate 14.Adopt above-mentioned design, it can effectively increase the contact area between gaseous impurity and the condensation pipe evaporating in fused raw material, thereby improves its condensation effect.
As a kind of improvement of the present utility model, in described the first evaporation tubes 11, its end near the second evaporation tubes 12 is provided with the collection conduit 15 that is connected to the receiving flask that is arranged on evaporation tubes outside; Described collection conduit 15 is along extending perpendicular to horizontal plane direction, and it can effectively collect gaseous impurity condensation gains in condenser pipe, avoids it to remain in evaporation tubes, equipment is damaged, or be back to barrel inside, affects fused raw material purity.
The above-mentioned plunger-type injection molding machine of guaranteeing moulding plastic surface smoothing, it can heat the fused raw material flowing in evaporation well in the time of work, in the time that it reaches uniform temperature, in fused raw material, impurity is evaporated, thereby the purity of the fused raw material that evaporates well inside is improved; Under the effect of vavuum pump, the gaseous impurity evaporating in fused raw material and go out is along moving upward in evaporation tubes, thereby make not contain in fused raw material excessive moisture and volatile matter, and then make it in the process of injection mo(u)lding, can avoid moisture and volatile matter content to produce lines on injecting products surface, destroy plastic smooth surface degree.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned embodiment, also comprises the technical scheme being made up of above technical characterictic.
Claims (6)
1. guarantee a plunger-type injection molding machine for moulding plastic surface smoothing, it is made up of interconnective injection portion and matched moulds part, and described injection portion is made up of feeding device, barrel, plunger and nozzle; Described feeding device is arranged on barrel upper end, and is interconnected with barrel; Described barrel outer wall is provided with and adds thermoelectricity circle; Described plunger is coaxial with barrel, and its one end extends to barrel inside, and the other end is connected with hydraulic means; Described nozzle is arranged on barrel one end, and is connected with matched moulds part; In described matched moulds part, be provided with mould; It is characterized in that, in described injection portion, between barrel and nozzle, be provided with evaporation well; Described evaporation well outer wall is provided with and is independent of the heater that barrel outer wall adds thermoelectricity circle, evaporates aboveground end and be provided with spontaneous evaporation well inside and extend to the evaporation tubes of injection machine outside; Described evaporation tubes is communicated to vavuum pump.
2. according to the plunger-type injection molding machine of guaranteeing moulding plastic surface smoothing claimed in claim 1, it is characterized in that, the axis of described evaporation tubes and barrel scope that axis acutangulates are 30 ° to 45 °.
3. according to the plunger-type injection molding machine of guaranteeing moulding plastic surface smoothing described in claim 1 or 2, it is characterized in that, described evaporation tubes is by the first evaporation tubes being communicated with evaporation well, and the second evaporation tubes being communicated with vavuum pump forms; Described the second evaporation tubes inside is provided with condensation pipe, between described the first evaporation tubes and the second evaporation tubes, is communicated with near one end of the first evaporation tubes by condensation pipe.
4. according to the plunger-type injection molding machine of guaranteeing moulding plastic surface smoothing claimed in claim 3, it is characterized in that, described condensation pipe is arranged on condensation pipe inside by many, and the condensation bypass line of extending along the second evaporation tubes bearing of trend forms; In many condensation bypass line, all include the condensation entrance being communicated with the first evaporation tubes, and the condensation being communicated with vavuum pump outlet; Described condensation bypass line is near the end of the first evaporation tubes, and its diameter is increased to condensation entrance gradually by condensation pipe inside; The condensation entrance of many condensation bypass line contacts each other.
5. according to the plunger-type injection molding machine of guaranteeing moulding plastic surface smoothing claimed in claim 4, it is characterized in that, described condensation pipe bypass line inside is provided with spiral helicine cold plate.
6. according to the plunger-type injection molding machine of guaranteeing moulding plastic surface smoothing claimed in claim 5, it is characterized in that, in described the first evaporation tubes, its end near the second evaporation tubes is provided with the collection conduit that is connected to the receiving flask that is arranged on evaporation tubes outside; Described collection conduit is along extending perpendicular to horizontal plane direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420059703.7U CN203697370U (en) | 2014-02-10 | 2014-02-10 | Plunger type injection molding machine capable of ensuring surface of formed plastic part to be smooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420059703.7U CN203697370U (en) | 2014-02-10 | 2014-02-10 | Plunger type injection molding machine capable of ensuring surface of formed plastic part to be smooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203697370U true CN203697370U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420059703.7U Expired - Fee Related CN203697370U (en) | 2014-02-10 | 2014-02-10 | Plunger type injection molding machine capable of ensuring surface of formed plastic part to be smooth |
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|---|---|
| CN (1) | CN203697370U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499530A (en) * | 2015-11-25 | 2016-04-20 | 深圳市华腾精密机械有限公司 | Injection molding machine and process for aluminum alloy |
| CN113400560A (en) * | 2021-06-16 | 2021-09-17 | 南宁酷特光学材料有限责任公司 | Injection molding equipment for producing and processing light guide optical fiber connector |
-
2014
- 2014-02-10 CN CN201420059703.7U patent/CN203697370U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499530A (en) * | 2015-11-25 | 2016-04-20 | 深圳市华腾精密机械有限公司 | Injection molding machine and process for aluminum alloy |
| CN105499530B (en) * | 2015-11-25 | 2019-03-26 | 深圳市华腾精密机械有限公司 | A kind of aluminium alloy injection (mo(u)lding) machine and injection molding technique |
| CN113400560A (en) * | 2021-06-16 | 2021-09-17 | 南宁酷特光学材料有限责任公司 | Injection molding equipment for producing and processing light guide optical fiber connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20150210 |
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| EXPY | Termination of patent right or utility model |