CN204054509U - The double color injection mould that a kind of injection volume is adjustable - Google Patents
The double color injection mould that a kind of injection volume is adjustable Download PDFInfo
- Publication number
- CN204054509U CN204054509U CN201420626544.4U CN201420626544U CN204054509U CN 204054509 U CN204054509 U CN 204054509U CN 201420626544 U CN201420626544 U CN 201420626544U CN 204054509 U CN204054509 U CN 204054509U
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- cylindrical cam
- slide plate
- injection
- fixed
- groove
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Abstract
The double color injection mould that a kind of injection volume is adjustable, comprise nozzle, divide fluidization tower, runner plate, injection mechanism, return spring, open and close valve, fixed head, gripper shoe, slide plate, slide plate guide plate, driven member, cylindrical cam mechanism mounting bracket and cylindrical cam, nozzle is fixed on front end in the middle part of runner plate, there is fixed head at runner plate rear, there is gripper shoe at fixed head rear, a point fluidization tower is had in nozzle, fluidization tower rear end is divided to be fixed in the middle part of fixed head, there is injection mechanism at runner plate two ends respectively, fluidization tower both sides are divided to have keying valve respectively, slide plate is fixed on gripper shoe rear, skateboard back-end has slide plate guide plate, cylindrical cam is fixed in cylindrical cam mechanism mounting bracket by two ends rotating shaft, fluted on cylindrical cam, driven member contacts with slide plate, the end winding support in the bar portion of driven member is in the groove of Correspondent cy linder cam.The utility model injection molding uses two injecting systems, and regulates injection volume by cylindrical cam mechanism, thus substantially increases the service efficiency of injection molding.
Description
Technical field
The utility model relates to injection molding field, particularly relates to the double color injection mould that a kind of injection volume is adjustable.
Background technology
Injection moulding refers to injects die cavity by the material melted that is heated by high pressure, after cooling curing, obtains formed products.Injection molding has referred to the mould of injection moulding action.Existing injection molding often can only carry out monochrome injection, product obtained like this is often very limited, along with the development of society, human living standard improves constantly, more and more higher to the requirement of product category, a kind ofly carry out the mould of double color injection if therefore can design and ensure that injection volume can carry out corresponding adjustment according to self needing, can significantly extended products kind.
Utility model content
For above problem, the utility model designs the adjustable double color injection mould of a kind of injection volume, this injection molding uses two injecting systems, the plastics successively injection of two different cultivars or different color and luster can be entered same mold station, these two injecting systems respectively have a passage to lead to die nozzle, respective passage respectively there is a keying valve enter nozzle to control corresponding raw material, the opening and closing time of valve is opened and closed by adjustment, just can produce double-colored or extra quality plastic part, and regulate injection volume proportioning by cylindrical cam mechanism, thus substantially increase the service efficiency of injection molding, for reaching this object, the double color injection mould that the utility model provides a kind of injection volume adjustable, comprise nozzle, divide fluidization tower, runner plate, injection mechanism, return spring, open and close valve, fixed head, gripper shoe, slide plate, slide plate guide plate, driven member, cylindrical cam mechanism mounting bracket and cylindrical cam, described injection molding entirety is fixed on external rack by securing member, described nozzle is fixed on front end in the middle part of runner plate, there is fixed head at described runner plate rear, there is gripper shoe at described fixed head rear, a point fluidization tower is had in described nozzle, described point of fluidization tower rear end is fixed in the middle part of fixed head, main channel is had in described runner plate, described runner plate two ends have the first injection mechanism and the second injection mechanism respectively, described first injection mechanism is connected with main channel in corresponding runner plate by interface channel with the head of the second injection mechanism, described point of fluidization tower both sides have the first keying valve and second to open and close valve respectively, described first keying valve and second opens and closes valve tail end and is fixed in fixed head, the main channel of side in each corresponding runner plate of movable end of described first keying valve and the second keying valve, there is trapezoid-shaped openings groove described nose, described skateboard back-end has protuberance, described nose is movably fixed to gripper shoe rear, described skateboard back-end has slide plate guide plate, groove is had in the middle part of described slide plate guide plate, in the protuberance of the described skateboard back-end groove in the middle part of slide plate guide plate, the protuberance of described skateboard back-end there is tooth, described cylindrical cam mechanism mounting bracket is in external rack, there is rotating shaft at described cylindrical cam two ends, described cylindrical cam is fixed in cylindrical cam mechanism mounting bracket by two ends rotating shaft, fluted on described cylindrical cam, described groove is made up of kink and horizontal part, described driven member one end is umbrella shape contact site, driven member other end bar portion, be fixed in frame by revolute pair between described umbrella shape contact site and bar portion, there is tooth described umbrella shape contact site outside, the umbrella shape contact site of described driven member is meshed by the tooth of external teeth with skateboard back-end protuberance, the end winding support in the bar portion of described driven member is in the groove of Correspondent cy linder cam, along with cylindrical cam rotates the end in the bar portion of driven member along concave slot sports.
Improve further as the utility model, described cylindrical cam there is 2-4 enclose groove, the kink of each groove is different with the ratio of horizontal part, shape due to groove determines the movement locus that driven member swings, therefore can according to different injection volume proportionings, cylindrical cam is made different grooves, before injection, the cylindrical cam of corresponding recesses should be selected according to concrete injection proportioning, thus realize injection volume proportionings different in injection process, therefore in order to the utility model easy to use arranges multi-turn groove on Correspondent cy linder cam, to need to select corresponding groove according to difference.
Improve further as the utility model, in described first keying valve, have the first return spring, have the second return spring in described second keying valve, return spring is set the staircase curve of keying valve and slide plate side can be made to keep in touch.
Improve further as the utility model, roller is equipped with by revolute pair in the end in the bar portion of described driven member, described roller is installed in the groove of Correspondent cy linder cam, the object arranging roller makes change sliding friction be rolling friction, do not fill roller and can realize desired movement yet, but because be that sliding friction is is easily worn and torn, so add roller in driven member end, wear-resistant like this, and larger load can be born.
Improve further as the utility model, the rotating shaft of described cylindrical cam is connected with motor shaft and is driven by motor, rotating speed size due to cylindrical cam can affect the number of concrete injection volume, the slow corresponding injection volume of rotating speed can be many, therefore, the utility model completes different injection volume requirements by regulating motor speed.
The utility model adopts two injecting systems to share a nozzle, lead in two paths of nozzle and a keying valve is respectively housed, regulate and open and close the outflow of injection volume to the injection volume of the corresponding raw material of outflow of nozzle that valve just can control corresponding raw material in injecting systems, its internal structure adopts cylindrical cam mechanism, to complete the automatic reverse of two keying valves, reach double color injection, in addition the application is again by changing the cam of different groove, reach the adjustment of the injection volume proportioning of two injecting systems, this patent reaches again the adjustment of injection volume and injection cycle by the speed of adjustment cam, thus substantially increase the service efficiency of injection molding.
Accompanying drawing explanation
Fig. 1 is internal structure schematic diagram;
Fig. 2 is single groove cylindrical cam mechanism schematic diagram;
Fig. 3 is many grooves cylindrical cam mechanism schematic diagram;
Fig. 4 is that many grooves cylindrical cam mechanism launches schematic diagram;
Accompanying drawing illustrates:
1, nozzle; 2, fluidization tower is divided; 3, runner plate;
4-1, the first injection mechanism; 4-2, the second injection mechanism; 5-1, the first return spring;
5-2, the second return spring; 6-1, first opens and closes valve; 6-2, second opens and closes valve;
7, fixed head; 8, gripper shoe; 9, slide plate;
10, slide plate guide plate; 11, driven member; 12, cylindrical cam mechanism mounting bracket;
13, cylindrical cam; 14, groove; 15, roller.
Detailed description of the invention
Below in conjunction with drawings and Examples, utility model is described in detail:
The utility model designs the adjustable double color injection mould of a kind of injection volume, this injection molding uses two injecting systems, the plastics successively injection of two different cultivars or different color and luster can be entered same mold station, these two injecting systems respectively have a passage to lead to die nozzle, respective passage respectively there is a keying valve enter nozzle to control corresponding raw material, the opening and closing time of valve is opened and closed by adjustment, just can produce double-colored or extra quality plastic part, and regulate injection volume proportioning by cylindrical cam mechanism, thus substantially increase the service efficiency of injection molding.
As a kind of embodiment of the utility model, the double color injection mould that the utility model provides a kind of injection volume as shown in Figure 1 adjustable, comprise nozzle 1, divide fluidization tower 2, runner plate 3, injection mechanism, return spring, open and close valve, fixed head 7, gripper shoe 8, slide plate 9, slide plate guide plate 10, driven member 11, cylindrical cam mechanism mounting bracket 12 and cylindrical cam 13, described injection molding entirety is fixed on external rack by securing member, described nozzle 1 is fixed on front end in the middle part of runner plate 3, there is fixed head 7 at described runner plate 3 rear, there is gripper shoe 8 at described fixed head 7 rear, point fluidization tower 2 is had in described nozzle 1, described point of fluidization tower 2 rear end is fixed in the middle part of fixed head 7, main channel is had in described runner plate 3, described runner plate 3 two ends have the first injection mechanism 4-1 and the second injection mechanism 4-2 respectively, described first injection mechanism 4-1 is connected with main channel in corresponding runner plate 3 by interface channel with the head of the second injection mechanism 4-2, described point of fluidization tower 2 both sides have the first keying valve 6-1 and second to open and close valve 6-2 respectively, described first opens and closes valve 6-1 and second keying valve 6-2 tail end is fixed in fixed head 7, the main channel of side in each corresponding runner plate 3 of movable end of described first keying valve 6-1 and second keying valve 6-2, there is trapezoid-shaped openings groove described slide plate 9 front end, there is protuberance described slide plate 9 rear end, described slide plate 9 front end is movably fixed to gripper shoe 8 rear, there is slide plate guide plate 10 described slide plate 9 rear end, groove is had in the middle part of described slide plate guide plate 10, in the protuberance of the described slide plate 9 rear end groove in the middle part of slide plate guide plate 10, the protuberance of described slide plate 9 rear end there is tooth, described cylindrical cam mechanism mounting bracket 12 is in external rack, there is rotating shaft at described cylindrical cam 13 two ends, described cylindrical cam 13 is fixed in cylindrical cam mechanism mounting bracket 12 by two ends rotating shaft, on described cylindrical cam 13 fluted 14, described groove 14 is made up of kink and horizontal part, described driven member 11 one end is umbrella shape contact site, driven member 11 other end bar portion, be fixed in frame by revolute pair between described umbrella shape contact site and bar portion, there is tooth described umbrella shape contact site outside, the umbrella shape contact site of described driven member 11 is meshed by the tooth of external teeth with slide plate 9 rear end protuberance, the end winding support in the bar portion of described driven member 11 is in the groove 14 of Correspondent cy linder cam 13, move along groove 14 in the end of rotating the bar portion of driven member 11 along with cylindrical cam 13.
As a kind of best specific embodiment of the utility model, the double color injection mould that the utility model provides a kind of injection volume adjustable, comprise nozzle 1, divide fluidization tower 2, runner plate 3, injection mechanism, return spring, open and close valve, fixed head 7, gripper shoe 8, slide plate 9, slide plate guide plate 10, driven member 11, cylindrical cam mechanism mounting bracket 12 and cylindrical cam 13, described injection molding entirety is fixed on external rack by securing member, described nozzle 1 is fixed on front end in the middle part of runner plate 3, there is fixed head 7 at described runner plate 3 rear, there is gripper shoe 8 at described fixed head 7 rear, point fluidization tower 2 is had in described nozzle 1, described point of fluidization tower 2 rear end is fixed in the middle part of fixed head 7, main channel is had in described runner plate 3, described runner plate 3 two ends have the first injection mechanism 4-1 and the second injection mechanism 4-2 respectively, described first injection mechanism 4-1 is connected with main channel in corresponding runner plate 3 by interface channel with the head of the second injection mechanism 4-2, described point of fluidization tower 2 both sides have the first keying valve 6-1 and second to open and close valve 6-2 respectively, described first opens and closes valve 6-1 and second keying valve 6-2 tail end is fixed in fixed head 7, the first return spring 5-1 is had in described first keying valve 6-1, the second return spring 5-2 is had in described second keying valve 6-2, arranging return spring can make the staircase curve of keying valve and slide plate side keep in touch, the main channel of side in each corresponding runner plate 3 of movable end of described first keying valve 6-1 and second keying valve 6-2, there is trapezoid-shaped openings groove described slide plate 9 front end, there is protuberance described slide plate 9 rear end, described slide plate 9 front end is movably fixed to gripper shoe 8 rear, there is slide plate guide plate 10 described slide plate 9 rear end, groove is had in the middle part of described slide plate guide plate 10, in the protuberance of the described slide plate 9 rear end groove in the middle part of slide plate guide plate 10, the protuberance of described slide plate 9 rear end there is tooth, described cylindrical cam mechanism mounting bracket 12 is in external rack, there is rotating shaft at described cylindrical cam 13 two ends, described cylindrical cam 13 is fixed in cylindrical cam mechanism mounting bracket 12 by two ends rotating shaft, described cylindrical cam 13 there is 2-4 enclose groove, the kink of each groove is different with the ratio of horizontal part, shape due to groove determines the movement locus that driven member swings, therefore can according to different injection volume proportionings, cylindrical cam is made different grooves, before injection, the cylindrical cam of corresponding recesses should be selected according to concrete injection proportioning, thus realize injection volume proportionings different in injection process, therefore in order to the utility model easy to use arranges multi-turn groove on Correspondent cy linder cam, to need to select corresponding groove according to difference, described groove 14 is made up of kink and horizontal part, described driven member 11 one end is umbrella shape contact site, driven member 11 other end bar portion, be fixed in frame by revolute pair between described umbrella shape contact site and bar portion, there is tooth described umbrella shape contact site outside, the umbrella shape contact site of described driven member 11 is meshed by the tooth of external teeth with slide plate 9 rear end protuberance, the end winding support in the bar portion of described driven member 11 is in the groove 14 of Correspondent cy linder cam 13, roller 15 is equipped with by revolute pair in the end in the bar portion of described driven member 11, described roller 15 is installed in the groove 14 of Correspondent cy linder cam 13, move along groove 14 in the end of rotating the bar portion of driven member 11 along with cylindrical cam 13, the object arranging roller makes change sliding friction be rolling friction, do not fill roller and can realize desired movement yet, but because be that sliding friction is is easily worn and torn, so add roller in driven member end, wear-resistant like this, and larger load can be born, the rotating shaft of described cylindrical cam 13 is connected with motor shaft and is driven by motor, rotating speed size due to cylindrical cam can affect the number of concrete injection volume, the slow corresponding injection volume of rotating speed can be many, therefore, the utility model completes different injection volume requirements by regulating motor speed.
The utility model concrete steps are as follows: rotating cylindrical cam, by the movement of the roller on driven member in cam groove, driven member is driven to swing back and forth around fulcrum A point, swinging back and forth of driven member drives slide plate to move up and down, there is corresponding staircase curve slide plate side, thus the keying valve controlled on corresponding path opens and closes, thus control the outflow of the injection volume of corresponding raw material.
Cylindrical cam there is corresponding recesses, in order to reduce friction, driven member one end is provided with roller, position both driven member is limited in geometrical relationship by the groove on cam, thus the roller on driven member and the groove on cam are kept in touch, the shape of groove determines the movement locus of driven member swing, and driven member and slide plate opposite side are gear teeth meshing, and driven member can around A spot wobble.Therefore the characteristics of motion that driven member swings will have influence on the characteristics of motion of slide plate movement, and skateboarding situation will have influence on again the open and-shut mode of two keying valves, thus controls the injection volume proportioning of two kinds of injection raw materials.
Shape due to groove determines the movement locus that driven member swings, therefore can according to different injection volume proportionings, cylindrical cam is made different grooves, before injection, the cylindrical cam of corresponding recesses should be selected according to concrete injection proportioning, thus realize injection volume proportionings different in injection process.
The effect opening and closing spring on valve is that the staircase curve of keying valve and slide plate side is kept in touch.
In order to realize different injection volume proportionings, cylindrical cam Fig. 2 can be made several different groove shapes as Fig. 3, before the injection, different cam grooves can be selected as required, three kinds of cam path tracks are given in Fig. 3, cylindrical cam is pressed cylinder face expansion, the expanded view of cylindrical groove as shown in Figure 4 can be obtained, known by expanded view, when roller is in s1 position, injecting systems 1 works, when roller is in s2 position, injecting systems 2 works, when roller is in other position, two injecting systems do not work, s1 and the s2 of this cam groove, s1 ' and s2 ', s1 " from s2 " ratio represent that this cam can realize the proportioning of three kinds of different injection volumes respectively, therefore, the producer can select different cylindrical cam grooves according to actual needs, in addition, some other cylindrical cams are also furnished with in this injector, each cam is all processed with the groove of different ratio, to adapt to other different ratio requirement.
The above; it is only preferred embodiment of the present utility model; not restriction the utility model being made to any other form, and any amendment done according to technical spirit of the present utility model or equivalent variations, still belong to the utility model scope required for protection.
Claims (5)
1. the double color injection mould that an injection volume is adjustable, comprise nozzle (1), divide fluidization tower (2), runner plate (3), injection mechanism, return spring, open and close valve, fixed head (7), gripper shoe (8), slide plate (9), slide plate guide plate (10), driven member (11), cylindrical cam mechanism mounting bracket (12) and cylindrical cam (13), described injection molding entirety is fixed on external rack by securing member, it is characterized in that: described nozzle (1) is fixed on front end, runner plate (3) middle part, there is fixed head (7) at described runner plate (3) rear, there is gripper shoe (8) at described fixed head (7) rear, a point fluidization tower (2) is had in described nozzle (1), described point of fluidization tower (2) rear end is fixed on fixed head (7) middle part, described runner plate has main channel in (3), described runner plate (3) two ends have the first injection mechanism (4-1) and the second injection mechanism (4-2) respectively, described first injection mechanism (4-1) is connected with corresponding runner plate (3) interior main channel by interface channel with the head of the second injection mechanism (4-2), described point of fluidization tower (2) both sides have the first keying valve (6-1) and second to open and close valve (6-2) respectively, described first keying valve (6-1) and second opens and closes valve (6-2) tail end and is fixed in fixed head (7), described first opens and closes the main channel that valve (6-1) and second opens and closes the interior side of each corresponding runner plate (3) of movable end of valve (6-2), there is trapezoid-shaped openings groove described slide plate (9) front end, there is protuberance described slide plate (9) rear end, described slide plate (9) front end is movably fixed to gripper shoe (8) rear, there is slide plate guide plate (10) described slide plate (9) rear end, there is groove at described slide plate guide plate (10) middle part, the protuberance of described slide plate (9) rear end is in the groove at slide plate guide plate (10) middle part, the protuberance of described slide plate (9) rear end there is tooth, described cylindrical cam mechanism mounting bracket (12) is in external rack, there is rotating shaft at described cylindrical cam (13) two ends, described cylindrical cam (13) is fixed in cylindrical cam mechanism mounting bracket (12) by two ends rotating shaft, described cylindrical cam (13) upper fluted (14), described groove (14) is made up of kink and horizontal part, described driven member (11) one end is umbrella shape contact site, driven member (11) other end bar portion, be fixed in frame by revolute pair between described umbrella shape contact site and bar portion, there is tooth described umbrella shape contact site outside, the umbrella shape contact site of described driven member (11) is meshed by the tooth of external teeth with slide plate (9) rear end protuberance, the end winding support in the bar portion of described driven member (11) is in the groove (14) of Correspondent cy linder cam (13), move along groove (14) in the end of rotating the bar portion of driven member (11) along with cylindrical cam (13).
2. the double color injection mould that a kind of injection volume according to claim 1 is adjustable, is characterized in that: described cylindrical cam (13) has 2-4 enclose groove (14), the kink of each groove (14) is different with the ratio of horizontal part.
3. the double color injection mould that a kind of injection volume according to claim 1 is adjustable, is characterized in that: have the first return spring (5-1) in described first keying valve (6-1), has the second return spring (5-2) in described second keying valve (6-2).
4. the double color injection mould that a kind of injection volume according to claim 1 is adjustable, it is characterized in that: roller (15) is equipped with by revolute pair in the end in the bar portion of described driven member (11), and described roller (15) is installed in the groove (14) of Correspondent cy linder cam (13).
5. the double color injection mould that a kind of injection volume according to claim 1 is adjustable, is characterized in that: the rotating shaft of described cylindrical cam (13) is connected with motor shaft and is driven by motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420626544.4U CN204054509U (en) | 2014-10-28 | 2014-10-28 | The double color injection mould that a kind of injection volume is adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420626544.4U CN204054509U (en) | 2014-10-28 | 2014-10-28 | The double color injection mould that a kind of injection volume is adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204054509U true CN204054509U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420626544.4U Withdrawn - After Issue CN204054509U (en) | 2014-10-28 | 2014-10-28 | The double color injection mould that a kind of injection volume is adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204054509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275776A (en) * | 2014-10-28 | 2015-01-14 | 金陵科技学院 | Double-color injection mold with adjustable injection amount |
-
2014
- 2014-10-28 CN CN201420626544.4U patent/CN204054509U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275776A (en) * | 2014-10-28 | 2015-01-14 | 金陵科技学院 | Double-color injection mold with adjustable injection amount |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |