CN206242438U - For the storage container of forming machine - Google Patents
For the storage container of forming machine Download PDFInfo
- Publication number
- CN206242438U CN206242438U CN201621254795.XU CN201621254795U CN206242438U CN 206242438 U CN206242438 U CN 206242438U CN 201621254795 U CN201621254795 U CN 201621254795U CN 206242438 U CN206242438 U CN 206242438U
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- piston
- storage container
- cylinder
- gap
- measurement
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Abstract
The utility model is related to a kind of storage container (1) for forming machine (13), the storage container includes the cylinder (2) with longitudinal axis (L), the piston (3) rotatably supported in cylinder, for the gap measuring apparatus (5) along longitudinal axis (L) regulating piston relative to the adjusting means (4) of the position (x) of cylinder and for measuring the gap (s) existed between cylinder and piston, wherein, the position (x) of piston can be adjusted via adjusting means (4) according to the gap (s) measured by gap measuring apparatus (5).Beneficial effect is：Do not recognize the gap width of determination estimate or indirect only approximately, and implement the direct measurement in gap.Then, the possible adjustment in gap can be continued for via adjusting means based on the specific measured value, thus, it is possible to apply the melt of desired amount, this is conducive to keeping identical quantity of sintered parts again.
Description
Technical field
The utility model is related to a kind of storage container, especially plasticization unit or injection unit for forming machine, institute
Stating storage container includes the cylinder with longitudinal axis, the piston rotatably supported in cylinder and is adjusted for the longitudinal axis along cylinder
Adjusting means of the piston relative to the position of cylinder.Additionally, the utility model is related to a kind of shaping with such storage container
Machine.
Background technology
The general injection with the simple adjusting means for adjusting the spacing between screw tip and the inside wall of cylinder
Device is learnt by the A1 of document WO 2014/157711.Here, adjusting gap in the dorsal part region of screw rod via nut.
In the adjusting means of other positions for adjusting plasticized screw being currently known, the anterior injection of screw rod
Position is adjusted via path measurements system.It is the C2 of document DE 19619730 to this example, sensor in the publication
It is arranged in the Background Region of screw rod and monitors the spacing between cylinder plate and loading plate.Thus, it is inferred to indirectly in spiral shell
Gap between bar top and spritzpistole.By monitoring the gap, can control to supply the constant material of screw rod.Most
Big gap width is regularly made a reservation for by keeping screw bolt and nut.In such path measurements system disadvantageously, it is impossible to
Consider thermal expansion and tolerance.Although ensuring to collide the free degree by the backstop of machinery, whole system is generally uncoordinated.This meaning
, it is impossible to constantly adjust gap.Non-thermostable or have a melt of very strong wall tack, when velocity gradient is too low
Generation is precipitated and further thermally decomposed.
In document JP 2012-192694 A, for the size of detector gap it may first have to utilize screw rod cylinder by screw rod
Move on stopper section, thus obtain " extreme position " recognized by power receiver (load cell).Then, screw rod is moved back,
Until returning the spacing being pre-adjusted put and determine.The spacing is recognized via an encoder.In the spacing that this is pre-adjusted
Avoid attachment and the degeneration of melt quality.Thus, it is to avoid the change of gap length.It means that in every kind of injection apparatus
In, the gap is individually correctly adjusted via a process of the test.Therefore, the fixation not being to determine between screw rod and cylinder
The relative position of axial direction, but before each injection apparatus runs first or as the operation first of each injection apparatus is true
It is scheduled on the extreme position (stopper section between screw rod and cylinder) of change in different machines and passes through by the extreme position
Screw rod return movement is detected to the gap width for determining：Obtained when the gap width of determination is reached between screw rod and cylinder which
Relative position.Then, the relative position is thought of as the value for further operation.Thus, although can be with each machine
Individually regulation, but the method is more specifically equivalent to methods of evaluation.It means that the actual size of gap width is not known
's.More precisely, only approx determining gap width indirectly by power receiver.Thermal expansion, tolerance and spraying cycle it
Between the change of other parameters can not possibly be taken into account, this may cause unfavorable injection result, because the gap width estimated is very
It is consistent with actual gap width to no longer (or at least not all the time).
Utility model content
Task of the present utility model is, there is provided a kind of improved relative to prior art or standby relative to prior art
The storage container of choosing.The shortcoming being previously mentioned should particularly be avoided.Particularly, should be protected by the quantity of sintered parts of multiple production cycle
Hold constant.
This is solved by a kind of storage container for forming machine, the storage container include with general axis cylinder,
The piston that can rotationally be supported in cylinder and for adjusting means of the longitudinal axis regulating piston relative to the position of cylinder along cylinder,
Wherein, the gap measuring apparatus for measuring the gap existed between cylinder and piston are provided with, wherein, the position energy of piston
It is adjusted according to the gap measured by gap measuring apparatus via adjusting means.Thus, only approximately identification estimate or
The gap width that person determines indirectly, and implement the direct measurement in gap.Then, can be via regulation based on the specific measured value
Device is continued for the possible adjustment in gap, thus, it is possible to apply the melt of desired amount, this is conducive to keeping identical again
Quantity of sintered parts.
Although by a kind of known measurement sensors of the B1 of document AT 510024, can be measured using the measurement sensor
Spacing between plasticizing cylinder and plasticized screw, but thus only can be inferred that the abrasion of screw rod.
The gap of final component quality is influenceed to measure, is specified according to a kind of preferred embodiment, piston has at least
Partly tapered piston tip, wherein, by gap measuring apparatus to tapered at least in part described in cylinder and piston
Spacing or gap between piston tip are measured.In principle, piston tip can be essentially homogeneously tapered.Thus,
Draw the coniform shape of piston tip.But, the surface of piston tip can also at least in part be configured to throw in section
Thing is linear.The other shapes of piston tip are also possible, as long as thus, it is possible to realize applying melt by storage container.
Furthermore it is preferred that regulation, piston is with the holdback being arranged on the leading section of piston.If piston is configured to plasticizing
Screw rod and therefore plasticized screw not only make the output material of conveying by rotating in the region of the screw pitch of screw body
Melt and the material of fusing is injected in mould by the lengthwise movement relative to plasticizing cylinder, then this is particularly reasonably.
In such implementation method, piston tip tapered at least in part described in holdback composition.For the gap of gap adjustment
The use of measurement apparatus has the following advantages that, i.e. particularly when plasticizing unit is very big, with component, such as piston or material cylinder
Different running statuses and temperature independently adjust the gap between material cylinder flange and holdback and therefore can lead to
The change for crossing gap causes the change due to mobility status and produces influence to cleaning situation.Holdback for example purification when and
It is not required during injection PVC.
Adjusting means for the position of regulating piston for example may be constructed such that so that loading plate can be by driver element
Relative to substrate motion, the drive motor for rotatably driving piston is installed on the loading plate, pacifies on the substrate
Equipped with cylinder.
In order to measure and it is preferred that specifying, gap measuring apparatus have measurement sensor and evaluation unit.In principle, the measurement
During sensor can be arranged on piston, particularly in the holdback of the piston.It is preferable, however, that specifying, measurement apparatus are arranged on
In cylinder, preferably in the nozzle flange of cylinder.
For virtuous measurement result, measurement sensor point to described in tapered at least in part piston tip, thus,
Can spacing of the measurement between the surface of piston tip and the inside wall of cylinder.
In principle, the top of measurement sensor, the particularly measurement sensor constitutes the inwall of cylinder simultaneously.However, measurement
Sensor is preferably provided in the blind hole being formed in cylinder.Thus, between the cavity on the top of measurement sensor and in cylinder
Preferably several millimeters of spacing is also obtained, thus, measurement sensor is not subjected to the pressure and temperature high in the cavity of cylinder.
Particularly preferably specify, measurement sensor is sonac or the sensor based on magnetic, preferably magnetostriction
Sensor.Alternatively, measurement sensor can also be configured to inductive pick-up.The inductive pick-up can also be in its position
Change.
Although gap measuring apparatus can also detect the directly contact between piston and cylinder, described to measure not (only) base
Stopper section in piston on cylinder.More precisely, being not equal to zero between piston and cylinder via gap measuring apparatus measurement
Gap.
According to a kind of preferred embodiment, storage container has the control for controlling or adjusting the motion of storage container
Or adjustment unit.The control or adjustment unit can also control or adjust whole forming machine.Hold to simply run storage
Device is it can be stated that adjusting means can be steered or be adjusted by control or adjustment unit.Additionally, control or adjustment unit can be with
Evaluation unit is connected or constituted with the evaluation unit of measurement apparatus.Thus, surveyed according to by gap via control or adjustment unit
The amount device gap that measures manipulates or adjusts adjusting means, so that corresponding position of the regulating piston relative to cylinder.
Additionally, the measurement apparatus of the length change for measuring piston are also also provided with.In order to realize perseverance
Fixed quantity of sintered parts, the position of piston can become via adjusting means length additionally according to the piston measured by measurement apparatus
Change is adjusted.
A kind of claimed forming machine with according to storage container of the present utility model, particularly injection machine or note
Mould machine.Such forming machine has closed cell in addition to storage container.The closed cell includes that fixed mould is compressed
Plate, movable mould pressure strip, for the driver element that moves movable mould pressure strip and it is arranged on mould and compresses
Mould on plate.The mould half portion of the mould forms at least one cavity, and the melt of fusing is via storage container quilt
It is ejected into the cavity.The profiled member (moulding) of mould and hardening of dishing out is opened after the melt hardening for spraying into.
Brief description of the drawings
Below by way of brief description of the drawings with reference to the embodiment that is shown in the drawings be set forth in it is of the present utility model other
Details and advantage.Wherein：
Fig. 1 is the sectional view of storage container；And
Fig. 2 and Fig. 3 are the alternative arrangements of measurement sensor.
Specific embodiment
The cross section of the front area of storage container 1 is illustrated in detail in Fig. 1.Additionally, it is schematically shown in addition
Part.Storage container 1 (being in this case plasticization unit) constitutes forming machine 13, such as together with unshowned closed cell
Injection machine or injection molding machine.
Storage container 1 has piston 3 (being in this case plasticized screw), and the piston has piston main body 19 and holdback
(Rückstromsperre)7.Holdback 7 again by with for example via the piston tip 6 that is connected with piston main body 19 of threaded connection and
The collar 20 for partly surrounding piston tip 6 is constituted.The cylinder 2 of storage container 1 has cylinder housing 14, nozzle flange 10 and passage unit
Part 15 is used as critical piece.Cylinder 2 is provided with heating tape 16.In cylinder 2, piston 3 is rotationally and can be along longitudinal axis L
Linearly movably set.Linear mobility is realized by preferred hydraulic pressure, hydromechanical or electronic adjusting means 4.
Schematically show, adjusting means 4 is fixed on carrier 17.The carrier 17 is fixedly connected with cylinder 2 again.Adjusting means 4 for example may be used
With with female rotatable nut.The axial regulation of position x is only shown herein.If piston 3 is configured to
Plasticized screw, then be also additionally provided with the rotary driver (being not drawn into herein) for plasticized screw.The spiral shell being previously mentioned by rotation
Mother, position x of the piston 3 along longitudinal axis L is changed via the corresponding external screw thread on piston 3.Thus, also change in piston 3
Surface and the inwall of cylinder 2 between gap s.Via the measurement gap s of gap measuring apparatus 5.Especially, the clearance measurement dress
The measurement sensor 8 for putting 5 is arranged in the blind hole 18 of nozzle flange 10.Thus, measurement sensor 8 is filled out with cylinder 2 with melt
The cavity for filling is set at interval.In this case, with the surface of piston tip 6 measurement gap s at a right angle.By signal
Corresponding signal is passed to line 21 evaluation unit 9 of gap measuring apparatus 5 by measurement sensor 8.The evaluation unit 9 is at this
In the case of be forming machine 13 control or the part of adjustment unit 11.Also can be by signal via the control or adjustment unit 11
Line 22 manipulates adjusting means 4.Therefore, especially, the position x of piston 3 can be by adjusting means 4 according to by gap measuring apparatus 5
The gap s of measurement is adjusted.Additionally, the length change that also may be provided for measuring piston 3 schematically shows
Measurement apparatus 12, wherein, the measurement can also be incorporated into the regulation of position x.
Figure 2 illustrates in cylinder 2 in rear positions xhIn piston 3.In addition show, the measurement of gap s can also lead to
Crossing measurement sensor 8 is diametrically carried out.Also it is shown in broken lines, the measurement of gap s can also be implemented in the axial direction.
Fig. 3 is also shown in cylinder 2 the forward position x in pistonvIn piston 3, thus, (radial measurement in this case
) gap s diminishes.
Reference numerals list：
1 storage container
2 cylinders
3 pistons
4 adjusting meanss
5 gap measuring apparatus
6 piston tips
7 holdbacks
8 measurement sensors
9 evaluation units
10 nozzle flanges
11 controls or adjustment unit
The measurement apparatus of 12 length changes
13 forming machines
14 cylinder housings
15 pass elements
16 heating tapes
17 carriers
18 blind holes
19 piston main bodies
20 collars
21 holding wires
22 holding wires
L longitudinal axis
The position of x pistons
xhRear positions
xvForward position
S gaps.
Claims (18)
1. the storage container (1) of forming machine (13) is used for, and the storage container includes
- the cylinder (2) with longitudinal axis (L),
- the piston (3) that can be rotationally supported in cylinder (2), and
- for the adjusting means (4) of the position (x) of longitudinal axis (L) regulating piston (3) relative to cylinder (2) along cylinder (2),
Characterized in that,
- gap measuring apparatus (5) are provided with, for measuring the gap (s) existed between cylinder (2) and piston (3),
Wherein, the position (x) of piston (3) can be via adjusting means (4) according to the gap measured by gap measuring apparatus (5)
S () is adjusted.
2. storage container according to claim 1, it is characterised in that the storage container (1) is plasticization unit or note
Penetrate unit.
3. storage container according to claim 1, it is characterised in that the piston (3) is with tapered at least in part
Piston tip (6), wherein, by gap measuring apparatus (5) in the described tapered at least in part of cylinder (2) and piston (3)
Gap (s) between piston tip (6) measures.
4. storage container according to claim 3, it is characterised in that the piston (3) is with holdback (7).
5. storage container according to claim 4, it is characterised in that the holdback (7) constitute described at least in part
Tapered piston tip (6).
6. the storage container according to any one of claim 3 to 5, it is characterised in that gap measuring apparatus (5) tool
There are measurement sensor (8) and evaluation unit (9).
7. storage container according to claim 6, it is characterised in that the measurement sensor (8) is arranged in cylinder (2).
8. storage container according to claim 7, it is characterised in that the measurement sensor (8) is arranged on the spray of cylinder (2)
In mouth flange (10).
9. storage container according to claim 6, it is characterised in that the measurement sensor (8) point to described at least portion
Divide tapered piston tip (6) and the spacing between the inwall of the surface of piston tip (6) and cylinder (2) can be measured.
10. storage container according to claim 6, it is characterised in that the measurement sensor (8) is ultrasonic measurement sensing
Device or the sensor based on magnetic.
11. storage containers according to claim 6, it is characterised in that the measurement sensor (8) is magnetostrictive biography
Sensor.
12. storage containers according to any one of claim 1 to 5, it is characterised in that the storage container has to be used for
The control of the motion of control or adjustment storage container (1) or adjustment unit (11).
13. storage containers according to claim 12, it is characterised in that the adjusting means (4) can be by control or tune
Whole unit (11) is steered or adjusts.
14. storage containers according to claim 12, it is characterised in that the control or adjustment unit (11) are surveyed with gap
Evaluation unit (9) connection of amount device (5) constitutes evaluation unit (9).
15. storage containers according to any one of claim 1 to 5, it is characterised in that the storage container has to be used for
The measurement apparatus (12) of the length change of measurement piston (3).
16. storage containers according to claim 15, it is characterised in that the position (x) of the piston (3) can be via regulation
Device (4) is adjusted according to piston (3) length change measured by measurement apparatus (12).
17. forming machines (13), the forming machine has the storage container (1) according to any one of the claims.
18. forming machines (13) according to claim 17, it is characterised in that the forming machine (13) is injection machine or note
Mould machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621254795.XU CN206242438U (en) | 2016-11-17 | 2016-11-17 | For the storage container of forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621254795.XU CN206242438U (en) | 2016-11-17 | 2016-11-17 | For the storage container of forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206242438U true CN206242438U (en) | 2017-06-13 |
Family
ID=59002299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621254795.XU Active CN206242438U (en) | 2016-11-17 | 2016-11-17 | For the storage container of forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206242438U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790101A (en) * | 2018-08-08 | 2018-11-13 | 新疆登煌管业有限公司 | A kind of mouth mold and core model slack adjuster and method |
| CN110856969A (en) * | 2018-08-24 | 2020-03-03 | 恩格尔奥地利有限公司 | Plasticizing unit for a molding machine |
-
2016
- 2016-11-17 CN CN201621254795.XU patent/CN206242438U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790101A (en) * | 2018-08-08 | 2018-11-13 | 新疆登煌管业有限公司 | A kind of mouth mold and core model slack adjuster and method |
| CN110856969A (en) * | 2018-08-24 | 2020-03-03 | 恩格尔奥地利有限公司 | Plasticizing unit for a molding machine |
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