CN204263483U - A kind of injection device of plastics extruding machine - Google Patents
A kind of injection device of plastics extruding machine Download PDFInfo
- Publication number
- CN204263483U CN204263483U CN201420614046.8U CN201420614046U CN204263483U CN 204263483 U CN204263483 U CN 204263483U CN 201420614046 U CN201420614046 U CN 201420614046U CN 204263483 U CN204263483 U CN 204263483U
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- connector
- bin stock
- bin
- barrel
- spool
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- Injection Moulding Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a kind of injection device of plastics extruding machine, comprise bin stock system, barrel connector, extrusion system, described bin stock system is arranged on injection seat, barrel connector one end is fixedly connected with extrusion system, the other end is fixedly connected with bin stock system, extrusion system and bin stock system are interconnected by barrel connector, it is characterized in that: in described extrusion system and bin stock system, be respectively arranged with a working chamber, two working chambers are independent also by check valve Control Component control circulating direction mutually, extrusion system is arranged on the top of bin stock system or left side or right side.The utility model injection control accuracy high, production efficiency is high, structure is simple, easy for installation.
Description
Technical field
The utility model relates to a kind of injection device of plastics extruding machine, is specifically related to a kind of bin stock injection device, for the production of the plastic products needing large injection volume.
Background technology
Bin stock injection device structure of the prior art as Fig. 1, comprising binder cylindrical shell, extrusion system, bin stock system, rotary oil cylinder system, extrusion system comprises barrel 3 ', screw head 4 ', screw rod 5 ', heating collar etc., binder cylindrical shell comprises connector 1 ', front barrel 2 ', heating collar etc., bin stock system comprises nozzle 6 ', injecting body 7 ', material storage jar connector 8 ', holding bin 9 ', bin stock piston 10 ', piston rod 11 ', heating collars etc., comprise rotary valve body 12 ' in rotary oil cylinder system, earrings 13 ', rotary valve oil cylinder 14 ' etc., connector 1 ' is placed in front barrel 2 ' with in material storage jar connector 8 ', and forming a runner with barrel 3 ', described rotary valve body 12 ' valve core inside runner is divided into three different directions, rotary valve body 12 ' spool and injecting body 7 ' runner under nature, holding bin 9 ' runner, connector 1 ' runner three is connected, and when waiting rotary valve oil cylinder 14 ' to work, rotary valve body 12 ' spool communicates with connector 1 ' runner and holding bin 9 ' runner, thus defines two kinds of different inner flow passages.
Mainly there is following defect in this structure: 1, Fig. 3 is seen because 12 ' three the directions connections of rotary valve body easily produce melt backflow in extrusion molding region when injecting, part melt is repeatedly sheared in barrel, extruding easily makes plastic molecules be decomposed too early, thus affect the quality of plastic products, 2, melt each runner from plasticizing zone to storage area is all that right angle connects, this connected mode makes the mobility of melt poor, 3, it is very large that restriction due to material storage jar connector 8 ' appearance and size makes built-in rotary valve body 12 appearance and size not design, the through hole that the same cross section of rotary valve body 12 ' processes three directions makes the effective lifting surface area of rotary valve body greatly reduce, thus have impact on the comprehensive mechanical performance of rotary valve body, 4, the reset of rotary valve body is realized by rotary valve oil cylinder, there is a kind of reset repeatable accuracy problem in this structure.
Utility model content
Technical problem to be solved in the utility model overcomes deficiency of the prior art and provide a kind of to inject the bin stock injection device that control accuracy is high, production efficiency is high, structure is simple, easy for installation.
The technical scheme in the invention for solving the above technical problem is: the injection device of plastics extruding machine, comprise bin stock system, barrel connector, extrusion system, described bin stock system is arranged on injection seat, barrel connector one end is fixedly connected with extrusion system, the other end is fixedly connected with bin stock system, extrusion system and bin stock system are interconnected by barrel connector, it is characterized in that: in described extrusion system and bin stock system, be respectively arranged with a working chamber, two working chambers are independent also by check valve Control Component control circulating direction mutually, extrusion system is arranged on the top of bin stock system or left side or right side.In the utility model, extrusion system is installed on above bin stock system, also can left and right horizontal install, adopt two mutual independently working chambers, control circulating direction by check valve between the two, its advantage is that this structure is simple, controls accurate positioning, flow of melt is all smooth, flexibility is large, and this design and installation is convenient, can eliminate mismachining tolerance.
Bin stock system and device described in the utility model comprises nozzle assembly, injecting assembly and material storage jar connector, injecting assembly comprises holding bin, bin stock piston, bin stock piston rod and heating collar, nozzle assembly comprises nozzle, nozzle body, bin stock piston rod one end is arranged on injection cylinder, the other end and bin stock piston are with being threaded, material storage jar connector is connected with holding bin screw, three runners are provided with in material storage jar connector, nozzle body one end is provided with internal thread and is threaded with nozzle, the other end is provided with step flange and is connected with material storage jar connector dog screw, at holding bin, nozzle, nozzle body, material storage jar connector cylindrical is provided with some heating collars, material storage jar connector, holding bin, bin stock working chamber is formed between bin stock piston three.Material storage jar connector is provided with three runners and changes the situation in the past only having a runner, for the storage injection of melt provides more smooth passage.
Extrusion system device described in the utility model comprises plasticizing assembly, check valve Control Component, plasticizing assembly comprises barrel, screw rod, screw head, packing ring, straight pin and heating collar, screw rod is arranged on barrel inside, and one end is provided with flat key and is connected with oil motor, and the other end is provided with internal thread and is threaded with screw head, and some heating collars are equipped with in barrel outside, packing ring both ends of the surface be inclined-plane respectively with screw head, spool inclined-plane carries out cooperation and produces sealing effectiveness, and check valve Control Component comprises end cap, connector, adjusting rod, spool and heating plate, the outer surface of spool is provided with four and crosses hopper, and cross the inclined-plane that hopper end face is arranged to mate with packing ring inclined-plane, spool and connector contact surface are all arranged to matched in clearance, connector inside is provided with many relief grooves, spool one end is provided with adjusting rod, hex nut, end cap, is provided with spring between adjusting rod and valve core inside, end cap is provided with cooling down groove and makes spool ends exposed in atmosphere, when melting material pressure is close to packing ring lower than making spool during spring force, thus and barrel, extrusion molding working chamber is formed between screw head.Connector inside is provided with many relief grooves, effect is the pressure that reduction melt bears, thus solve the problem of leaking, inside, spool one end is provided with adjusting rod, spring, hex nut, end cap, regulating spring degree of tightness plays certain back pressure effect, make molten plastic get rid of gas and reach fine and close, ensure goods high-quality.End cap is provided with cooling down groove and makes spool ends exposed in atmosphere, thus better ensure that spring can not at high temperature elastic failure for a long time.
Be provided with point for measuring temperature in the middle of barrel connector described in the utility model, injecting machine material tube temperature and control effects thereof directly affect injection-molded item quality, and point for measuring temperature monitors the temperature in barrel by the connection computer moment, be conducive to Mass Control.
The utility model compared with prior art has the following advantages: by originally with oil cylinder turning valve control flow of melt to be designed to check valve control flow check to, this structural rate existing structure is much simpler, reduce by a power source simultaneously, also carried out redesigning bin stock runner and injection flow passage are made a distinction to runner, made molten plastic circulation in circulation more smooth.
Accompanying drawing explanation
Fig. 1 is existing structure schematic diagram.
Fig. 2 is A direction view in Fig. 1.
Fig. 3 is Fig. 1 rotary valve body running view.
Fig. 4 is the utility model structural representation.
Fig. 5 is the utility model material storage jar connector front view.
Fig. 6 is the utility model material storage jar connector left view.
Fig. 7 is the utility model material storage jar connector top view.
Fig. 8 is the utility model barrel connector front view.
Fig. 9 is the utility model check valve Control Component figure.
Figure 10 is end cap structural representation in Fig. 9.
Figure 11 is spool front view in Fig. 9.
Figure 12 be in Figure 11 A-A to sectional view.
Figure 13 is adjusting rod structural representation in Fig. 9.
Figure 14 is connector front view in Fig. 9.
Figure 15 be in Figure 14 A-A to sectional view.
Figure 16 is connector P direction view in Figure 15.
Figure 17 is connector B partial view in Figure 15.
Detailed description of the invention
See Fig. 4 ~ Figure 17, the utility model comprises bin stock system I, barrel connector 4, extrusion system II.Bin stock system I comprise nozzle assembly 1., injecting assembly 2., extrusion system II comprise plasticizing assembly 3., check valve Control Component 4., in the present embodiment, bin stock system I is arranged on injection seat, and extrusion system II is installed on above bin stock system I, also can left and right horizontal install.
1. nozzle assembly comprises: nozzle 1, nozzle body 2, material storage jar connector 3, nozzle 1 is connected with nozzle body 2 by screw thread, and nozzle body 2 is located by flange end and use screw fastening in material storage jar connector screw 3.5, material storage jar connector 3 is provided with three runners 3.1, 3.2, 3.3, runner 3.1, 3.3 for carrying out injection molten plastic, runner 3.2 connects extrusion molding working chamber 13 and bin stock working chamber 14, runner 3.2 is designed to the circulation that certain angle is convenient to melt, material storage jar connector 3 is screwed on injecting assembly holding bin 11 2. by through hole 3.4.
2. injecting assembly mainly comprises holding bin 11, bin stock piston 10, bin stock piston rod 12, injection cylinder assembly, and wherein injection cylinder assembly is general with conventional squeezing machine technology, and no longer set forth, bin stock piston 10 is connected with bin stock piston rod 12 by external screw thread herein.3. plasticizing assembly comprises packing ring 6, barrel 7, screw head 8, screw rod 9, oil motor assembly, and oil motor assembly is wherein general with conventional squeezing machine technology, no longer sets forth herein.Screw head 8 is fixedly connected with screw rod 9 by external screw thread, packing ring 6 and barrel 7 matched in clearance.4. check valve Control Component comprises adjusting rod 5.1, hex nut 5.2, end cap 5.3, spool 5.4, connector 5.5, spring 5.6, adjusting rod 5.1 is provided with external screw thread 5.1.2 and hex nut 5.2, end cap 5.3.1 screw-internal thread fit uses, regulate the flat gesture of adjusting rod 5.1.1 can control to adjust the tightness of the spring 5.6 on bar 5.1.3 cylindrical with spanner, thus control the laminating degree on spool 5.4.4 inclined-plane and packing ring 6 inclined-plane, spool 5.4 outer surface is provided with four and crosses hopper 5.4.1, spool 5.4.3 cylindrical and connector 5.5.1 endoporus matched in clearance, but matched in clearance tolerance can not be too large, fit tolerance is large, and easy leakage is expected, end cap 5.3 is provided with cooling down groove 5.3.3 and makes spool ends exposed in atmosphere, connector 5.5 is provided with many relief groove 5.5.8.Barrel connector 4 is provided with adpting flange 4.1,4.2, height L1, L2 of flange want micro-and are greater than the degree of depth of junction counterbore h1, h2 thus ensure that end face of flange and counterbore end face are fitted completely.
During assembling, first holding bin 11 is lain on v block, bin stock piston 10 in spinning on bin stock piston rod 12, lifts in holding bin 11 endoporus by bin stock piston rod assembly, to put in material storage jar connector through hole 3.4 with hexagon socket cap head screw cover and spinning on holding bin 11.There is flange one end to be arranged in material storage jar connector screw 3.5 nozzle body 2 with screw, with spanner, nozzle 1 spinning is entered in nozzle body 2 internal thread.
Barrel 7 is lain on v block, screw head 8 spinning is entered in screw rod 9 endoporus, screw arbor assembly is lifted in feeding cylinder 7 endoporus, packing ring 6 is loaded in barrel 7 end face counterbore, spool 5.4.3 cylindrical is loaded in connector through hole 5.5.8, spring 5.6 overlaps to be put on adjusting rod cylindrical 5.1.3, simultaneously by adjusting rod external screw thread 5.1.2 mono-section of spinning in end cap internal thread 5.3.1, being loaded onto in connector screw 5.5.1 by end-cap assembly with hexagon socket cap head screw makes adjusting rod cylindrical 5.1.3 insert in spool counterbore 5.4.2, by hex nut 5.2 spinning on adjusting rod external screw thread 5.1.1.The connector cylindrical 5.5.3 of connector assembly is aimed at barrel 7 end face counterbore and loads to carry out fastening with hexagon socket cap head screw simultaneously.Bin stock assembly is arranged on injection seat side, extrusion molding assembly is installed above injection seat, be connected with the connector endoporus 5.5.6 in extrusion molding assembly external for barrel circle 4.3 side with hexagon socket cap head screw, barrel external circle 4.1 side is connected with material storage jar connector endoporus 3.6 in bin stock assembly simultaneously.
During work: the charge door input grain plastic of extrusion system, oil motor starts, apical axis in thrust bearing assembly rotates, namely screw rod 9 is driven to rotate, grain plastic rotates and pushes away forward under the effect of screw rod 9, under grain plastic has carried out the heat effect of the heating collar of shear action and barrel 8 outer surface simultaneously in rotational conveyance simultaneously, become molten condition gradually, last melt is pulled in extrusion molding working chamber 13, when being enough to etc. the molten material pressure gathered the spring force overcome in core assembly, spool is open, melt is through spool 5.4.1, barrel connector 4.2, melt is clamp-oned in bin stock working chamber 14 by material storage jar connector runner 3.2, under screw rod 9 constantly rotates, melt also constantly presses to bin stock working chamber 14 and makes bin stock piston component shrink back simultaneously, to quit work etc. oil motor when storing a certain amount of, spool 5.4.1 under spring force reset runner shuts melt backflow when preventing injection, injection cylinder systems force bin stock piston component does action of injection, now molten plastic from bin stock working chamber 14 through material storage jar connector runner 3.1, 3.3 enter nozzle, final molten plastic enters in mould through nozzle.
Above content described in this description of the utility model is only to the explanation of the utility model structure example.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (4)
1. the injection device of a plastics extruding machine, comprise bin stock system, barrel connector, extrusion system, described bin stock system is arranged on injection seat, barrel connector one end is fixedly connected with extrusion system, the other end is fixedly connected with bin stock system, extrusion system and bin stock system are interconnected by barrel connector, it is characterized in that: in described extrusion system and bin stock system, be respectively arranged with a working chamber, two working chambers are independent also by check valve Control Component control circulating direction mutually, extrusion system is arranged on the top of bin stock system or left side or right side.
2. the injection device of plastics extruding machine according to claim 1, it is characterized in that: described bin stock system and device comprises nozzle assembly, injecting assembly and material storage jar connector, injecting assembly comprises holding bin, bin stock piston, bin stock piston rod and heating collar, nozzle assembly comprises nozzle, nozzle body, bin stock piston rod one end is arranged on injection cylinder, the other end and bin stock piston are with being threaded, material storage jar connector is connected with holding bin screw, three runners are provided with in material storage jar connector, nozzle body one end is provided with internal thread and is threaded with nozzle, the other end is provided with step flange and is connected with material storage jar connector dog screw, at holding bin, nozzle, nozzle body, material storage jar connector cylindrical is provided with some heating collars, material storage jar connector, holding bin, bin stock working chamber is formed between bin stock piston three.
3. the injection device of plastics extruding machine according to claim 1, it is characterized in that: described extrusion system device comprises plasticizing assembly, check valve Control Component, plasticizing assembly comprises barrel, screw rod, screw head, packing ring, straight pin and heating collar, screw rod is arranged on barrel inside, one end is provided with flat key and is connected with oil motor, the other end is provided with internal thread and is threaded with screw head, some heating collars are equipped with in barrel outside, and to be inclined-plane produce sealing effectiveness with carrying out coordinating with screw head, spool inclined-plane respectively to packing ring both ends of the surface, check valve Control Component comprises end cap, connector, adjusting rod, spool and heating plate, the outer surface of spool is provided with four and crosses hopper, cross the inclined-plane that hopper end face is arranged to mate with packing ring inclined-plane, spool and connector contact surface are all arranged to matched in clearance, connector inside is provided with many relief grooves, spool one end is provided with adjusting rod, spring, hex nut, end cap, spring is provided with between adjusting rod and valve core inside, end cap is provided with cooling down groove and makes spool ends exposed in atmosphere, when melting material pressure is close to packing ring lower than making spool during spring force, thus and barrel, extrusion molding working chamber is formed between screw head.
4. the injection device of plastics extruding machine according to claim 1, is characterized in that: be provided with point for measuring temperature in the middle of described barrel connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420614046.8U CN204263483U (en) | 2014-10-23 | 2014-10-23 | A kind of injection device of plastics extruding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420614046.8U CN204263483U (en) | 2014-10-23 | 2014-10-23 | A kind of injection device of plastics extruding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204263483U true CN204263483U (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420614046.8U Expired - Fee Related CN204263483U (en) | 2014-10-23 | 2014-10-23 | A kind of injection device of plastics extruding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204263483U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985335A (en) * | 2015-12-22 | 2017-07-28 | 福建立棋机械有限公司 | A kind of centre of three colors injection moulding apparatus good positioning effect shoots material rifle |
| CN117799128A (en) * | 2023-12-29 | 2024-04-02 | 江苏惠升管业集团有限公司 | Screw plunger type plastic injection molding device and application method thereof |
-
2014
- 2014-10-23 CN CN201420614046.8U patent/CN204263483U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985335A (en) * | 2015-12-22 | 2017-07-28 | 福建立棋机械有限公司 | A kind of centre of three colors injection moulding apparatus good positioning effect shoots material rifle |
| CN117799128A (en) * | 2023-12-29 | 2024-04-02 | 江苏惠升管业集团有限公司 | Screw plunger type plastic injection molding device and application method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20161023 |