CN202805576U - Precise temperature-controlled bushing type charging barrel of injection molding machine - Google Patents
Precise temperature-controlled bushing type charging barrel of injection molding machine Download PDFInfo
- Publication number
- CN202805576U CN202805576U CN 201220391659 CN201220391659U CN202805576U CN 202805576 U CN202805576 U CN 202805576U CN 201220391659 CN201220391659 CN 201220391659 CN 201220391659 U CN201220391659 U CN 201220391659U CN 202805576 U CN202805576 U CN 202805576U
- Authority
- CN
- China
- Prior art keywords
- charging barrel
- barrel
- temperature
- material tube
- sleeve
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a precise temperature-controlled bushing type charging barrel of an injection molding machine. The precise temperature-controlled bushing type charging barrel comprises a charging barrel; a thread groove is formed in the external surface of the charging barrel; a sleeve is connected to the outer part of the charging barrel in a sleeving manner; more than one air inlet and more than one air outlet are formed on the sleeve; the air inlets are connected with an external air source through pipelines; and more than one inner bushing sleeve is detachably connected to the inner wall of the charging barrel. The precise temperature-controlled bushing type charging barrel of the injection molding machine has the advantages that the charging barrel is cooled in an air circulating way, thus the heating temperature of the charging barrel of the injection molding machine can be precisely controlled to reach about +/-0.5 DEG C, and high precision in control of the melting temperature of plastic can be realized. The inner bushing sleeve has hardness more than that of the charging barrel during thermal processing and nitriding; the hardness of the inner bushing sleeve can reach HV1050, but the highest hardness of the charging barrel just can only reach HV850 under the same condition, so that the wear resistance of the inner bushing sleeve can be improved, and the service life can be prolonged. When the replacement is needed, only the inner bushing sleeve is replaced, and the whole discharging barrel is not needed to be replaced, so that the replacing cost can be reduced.
Description
Technical field
The utility model relates to the plastic injection molding machine tool, particularly relates to a kind of for the barrel on the vertical injection molding machine.
Background technology
Be provided with screw rod in the barrel of injection machine, enter die for molding thereby extrude molten plastic by the rotary squeezing of screw rod.Its shortcoming is at high temperature because the pivoting friction of screw rod and material tube inner wall very easily produces wearing and tearing, the gap is increased, thereby increased injection time, affects production efficiency.In order to guarantee output, must often change barrel.
In addition, along with the development of science and technology, the extensive use of various plastic products, increasing plastic product is in forming process, and is more and more higher to the control accuracy requirement of plastics melt temperature.At present, traditional barrel temperature generally can only be controlled at ± 6 degree about, can not satisfy in the production the required precision of barrel temperature control.
Summary of the invention
For above-mentioned the deficiencies in the prior art part, the utility model provides a kind of temperature control accurate bush type injecting machine material tube, can be controlled at the injecting machine material tube heating-up temperature accurately ± 0.5 the degree about, the each replacing only needs to change the liner sleeve, and needn't change whole barrel, reduce renewal cost.
The technical solution adopted in the utility model is:
The accurate bush type injecting machine material tube of a kind of temperature control, comprise barrel, described barrel outer surface is provided with thread groove, jacket casing of the outer socket of barrel, this jacket casing is provided with more than one air inlet and exhaust outlet, described air inlet is connected with external air source by pipeline, the material tube inner wall more than one liner sleeve that removably connects.
As preferably, described material tube inner wall offers the fitting recess with liner sleeve coupling, and the liner sleeve embeds in the fitting recess and is connected and fixed by locking key and keyway, prevents that the neck bush barrel dliameter is to rotation.
As preferably, jacket casing is provided with two air inlets and an exhaust outlet, and air inlet is arranged on the jacket casing two ends, and exhaust outlet is arranged in the middle of the jacket casing, and corresponding air inlet and exhaust ports are provided with cannelure on the barrel.Gas enters from the air inlet at jacket casing two ends, then discharges from the middle exhaust outlet of jacket casing, barrel is divided into two sections dispels the heat, and makes the heat radiation of barrel more even.And described jacket casing and barrel interference fit prevent Leakage Gas, guarantee that gas is filled with air inlet after, discharge from exhaust outlet along thread groove.
As preferably, described air inlet and pipeline junction are provided with air intake valve, and exhaust outlet is provided with drain tap.Realize the control that gas passes in and out in the jacket casing by air intake valve and drain tap, so that barrel temperature control is more convenient.
As preferably, also comprise the temperature-detecting device of controller and detection barrel temperature, described temperature-detecting device, air intake valve, drain tap all are connected with controller.When temperature surpasses design temperature when barrel heats, controller control air intake valve and drain tap are opened, and external air source is inflated in jacket casing, then discharges from exhaust outlet, barrel is carried out air circulation cool, just close until actual temperature reaches design temperature.
In injection moulding process, barrel needs constantly to heat the material in the barrel is plastified, and the plasticizing rate of material directly has influence on the quality of injecting products.Adopt barrel of the present utility model, when the barrel heating-up temperature is too high, external air source is by the air inlet inflation of pipeline to jacket casing, the gases at high pressure that enter between jacket casing and the barrel can be along the thread groove migration on barrel surface under the effect of pressure, the gas of this part can be taken away the heat of a barrel cylinder surface part, and the gas that has absorbed heat discharges by the exhaust outlet in the middle of the jacket casing, thereby a part of heat of barrel is distributed to the external world, accelerated the heat radiation of barrel, barrel temperature is descended.After barrel temperature dropped to certain value, external air source stopped inflation and waits for when high temperature appears in barrel next time and restarting, to realize accurately controlling barrel temperature.
The utility model has the advantage of: barrel is carried out air circulation cools, can be controlled at the precision of injecting machine material tube heating-up temperature ± 0.5 degree about, reach the high precision of control plastics melt temperature.Liner sleeve hardness when heat-treating nitrogenize is higher than the hardness of barrel, and under similarity condition, the hardness of liner sleeve can reach HV1050, and therefore the highest HV850 that can only reach of the hardness of barrel has improved its anti-wear performance, has prolonged its service life.And when changing, only need to change the liner sleeve, and needn't change whole barrel, reduced renewal cost.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of barrel among Fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.
As depicted in figs. 1 and 2, the accurate bush type injecting machine material tube of a kind of temperature control, comprise barrel 1, described barrel 1 outer surface is provided with thread groove 3, jacket casing 2 of barrel 1 outer socket, jacket casing 2 and barrel 1 interference fit, jacket casing 2 is provided with two air inlets 4 and an exhaust outlet 5, and air inlet 4 is arranged on jacket casing 2 two ends, and exhaust outlet 5 is arranged in the middle of the jacket casing 2, corresponding air inlet 4 and exhaust outlet 5 places are provided with cannelure 6 on the barrel 1, and described air inlet 4 is connected with external air source by pipeline.Described air inlet 4 is provided with air intake valve (not shown in FIG.) with pipeline junction, and exhaust outlet 5 is provided with drain tap (not shown in FIG.).Barrel 1 inwall three the liner sleeves 7 that removably connect, barrel 1 inwall offer the fitting recess with liner sleeve 7 couplings, and liner sleeve 7 embeds in the fitting recess and is connected and fixed by locking key and keyway, prevents liner sleeve 7 radial rotatings.
The utility model also comprises controller (not shown in FIG.) and detects the temperature-detecting device (not shown in FIG.) of barrel temperature that described temperature-detecting device, air intake valve, drain tap all are connected with controller.
Claims (5)
1. accurate bush type injecting machine material tube of temperature control, comprise barrel, it is characterized in that: described barrel outer surface is provided with thread groove, jacket casing of the outer socket of barrel, this jacket casing is provided with more than one air inlet and exhaust outlet, described air inlet is connected with external air source by pipeline, the material tube inner wall more than one liner sleeve that removably connects.
2. the accurate bush type injecting machine material tube of temperature control according to claim 1 is characterized in that: described material tube inner wall offers the fitting recess with liner sleeve coupling, and the liner sleeve embeds in the fitting recess and is connected and fixed by locking key and keyway.
3. the accurate bush type injecting machine material tube of temperature control according to claim 2, it is characterized in that: jacket casing is provided with two air inlets and an exhaust outlet, air inlet is arranged on the jacket casing two ends, and exhaust outlet is arranged in the middle of the jacket casing, and corresponding air inlet and exhaust ports are provided with cannelure on the barrel.
4. according to claim 2 or the accurate bush type injecting machine material tube of 3 described temperature controls, it is characterized in that: described air inlet and pipeline junction are provided with air intake valve, and exhaust outlet is provided with drain tap.
5. the accurate bush type injecting machine material tube of temperature control according to claim 4 is characterized in that: also comprise controller and detect the temperature-detecting device of barrel temperature, described temperature-detecting device, air intake valve, drain tap all are connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220391659 CN202805576U (en) | 2012-08-09 | 2012-08-09 | Precise temperature-controlled bushing type charging barrel of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220391659 CN202805576U (en) | 2012-08-09 | 2012-08-09 | Precise temperature-controlled bushing type charging barrel of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202805576U true CN202805576U (en) | 2013-03-20 |
Family
ID=47864515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220391659 Expired - Fee Related CN202805576U (en) | 2012-08-09 | 2012-08-09 | Precise temperature-controlled bushing type charging barrel of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202805576U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568228A (en) * | 2012-08-09 | 2014-02-12 | 成都科兴密封技术有限公司 | Precise temperature-controlled bushing type charging barrel of injection molding machine |
| CN104441519A (en) * | 2013-09-13 | 2015-03-25 | 发那科株式会社 | Molding machine with temperature regulation sleeves |
-
2012
- 2012-08-09 CN CN 201220391659 patent/CN202805576U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568228A (en) * | 2012-08-09 | 2014-02-12 | 成都科兴密封技术有限公司 | Precise temperature-controlled bushing type charging barrel of injection molding machine |
| CN104441519A (en) * | 2013-09-13 | 2015-03-25 | 发那科株式会社 | Molding machine with temperature regulation sleeves |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201511506U (en) | Mould capable of realizing quick and uniform heating and cooling | |
| JP2018503546A (en) | Injection molding system and component manufacturing method | |
| US8985997B2 (en) | Valve bushing for an injection molding apparatus | |
| CN202805576U (en) | Precise temperature-controlled bushing type charging barrel of injection molding machine | |
| CN103568228A (en) | Precise temperature-controlled bushing type charging barrel of injection molding machine | |
| CN109366918A (en) | A kind of moulding material constant-temperature cooling system being used cooperatively with the cold embryo machine of EVA | |
| BR112018011253B1 (en) | Molding machine and method for molding a part | |
| CN201446665U (en) | Thermostatic control device of material cylinder for injection machine | |
| CN202517676U (en) | Wear-resistant material cylinder capable of accurately controlling temperature for injection molding machine | |
| CN212795853U (en) | Water-air slip ring and bottle blowing mold circulating device adopting same | |
| CN105666780A (en) | High-glossiness injection molding process | |
| CN204354437U (en) | Heating ring of injection molding machine | |
| CN202727265U (en) | Hot runner system of water-cooling single-point needle valve | |
| CN202271511U (en) | Injection mould with air cooling mechanism | |
| CN207290865U (en) | Double screw extruder machine barrel | |
| CN201244893Y (en) | Precooling apparatus for plastic pipe production line | |
| CN207432722U (en) | A kind of plastic extrusion machine head | |
| CN109693345A (en) | A kind of cylinder cooling structure of needle valve type hot runner | |
| CN102896767A (en) | Temperature adjustment device for mandrel in one-step-method injection-blow moulding equipment | |
| CN204354439U (en) | Injection machine temperature control system | |
| CN206287471U (en) | TOP-TIP with oily heating function | |
| CN202846878U (en) | Temperature regulating device for central core bar of one-step injection blow molding equipment | |
| CN204604861U (en) | extruder | |
| CN205439159U (en) | Injection mold with temperature control equipment | |
| CN201192889Y (en) | Die of high light injection non-melting mark technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20130809 |