CN205075309U - Constant voltage feeding device is extruded to silica gel - Google Patents
Constant voltage feeding device is extruded to silica gel Download PDFInfo
- Publication number
- CN205075309U CN205075309U CN201520836877.4U CN201520836877U CN205075309U CN 205075309 U CN205075309 U CN 205075309U CN 201520836877 U CN201520836877 U CN 201520836877U CN 205075309 U CN205075309 U CN 205075309U
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- feed bin
- silica gel
- constant voltage
- piston
- extruded
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Abstract
The utility model discloses a constant voltage feeding device is extruded to silica gel belongs to silicon rubber and extrudes the processing technology field, including two at least feed bins, be equipped with the piston in the feed bin, discharge gate that the feed bin was seted up the feed inlet and was connected with extruder barrel charge door, hinge joint have the drive its to discharge gate reciprocating motion's drive arrangement in the feed bin, the discharge gate department of feed bin is equipped with the control valve. Having reduced manual operation's intensity of labour by a wide margin, having made feed operation process become more simply light, whole extrusion system's operation is also more reliable and more stable, has guaranteed the stability of extruding outlet pressure.
Description
Technical field
The utility model relates to silicon rubber and extrudes processing technique field, extrudes constant voltage drawing-in device in particular to a kind of silica gel.
Background technology
Silicon rubber is low because of its green tack, endures property poor, and to thermo-responsive, when being subject to screw rod rotational shear, temperature raises, and viscosity is lower, very easily occurs skidding, adhering in screw rod, causing spout to pile glue, the situation of starved in barrel, bringing certain difficulty to extruding processing.So processing extruded by silicon rubber usually need draw ratio comparatively large (10 ~ 12), the extruder of compression ratio slightly high (3:1 or 4:1), the double thread degree of depth and spacing also have corresponding requirement simultaneously.
Existing silicon rubber is extruded and is usually adopted the mode of feeding or pulley type feeding manually: feeding is namely by manually entering extruding machine barrel charge door by sizing material pressing manually, relend assistant engineer's tool and certain pressure is applied to the sizing material in barrel, ensureing that sizing material can smooth and easyly transport to head exit, there is the defects such as labour intensity is large, poor stability, cleannes are poor, feeding is uneven, product quality fluctuation is large in this feeding manner; And although the pulley type feeding manner part that tradition adopts solves some defects of hand fed, but owing to adopting open feeding, back pressure in barrel when still there is feeding is unstable, thus cause the instability of sizing material extruded velocity, make the outward appearance of product and size there is the phenomenon of fluctuation.
Utility model content
The purpose of this utility model is to extrude the artificial of employing and the reinforced defect existed of motor transmission for existing silicon rubber, there is provided a kind of silica gel to extrude constant voltage drawing-in device, be difficult to reach that labour intensity is low to solve existing drawing-in device simultaneously, feeding evenly and stable requirement extruded by sizing material.
For realizing the utility model object, the technical scheme of employing is: constant voltage drawing-in device extruded by a kind of silica gel, comprises at least two feed bins, is provided with piston in feed bin, the discharging opening that feed bin offers spout and is connected with extruding machine barrel charge door; Piston is connected with and drives it in feed bin to the reciprocating drive unit of discharging opening; The discharge outlet of feed bin is provided with control valve.
Further, described control valve is be connected to the reversal valve between each feed bin discharge hole.
Further, described feed bin is two, is respectively left feed bin and right feed bin, and the control valve between the discharging opening of left feed bin and the discharging opening of right feed bin is reversal valve, and reversal valve corresponds to extruding machine barrel charge door place.
Further, described left feed bin and right feed bin are horizontally disposed with, and the discharging opening of the two is oppositely arranged.
Further, described drive unit is cylinder, and the piston rod of cylinder is connected with the piston in described feed bin, and feed bin is fixedly connected with the cylinder body of cylinder.
Further, described piston is ptfe plastic.
The beneficial effects of the utility model are:
1, by the piston alternate feeding of multiple feed bin, feeding, namely when wherein previous feed bin is to barrel charge door feeding, simultaneously reinforced in a rear feed bin disconnected with barrel charge door, before the material treating in previous feed bin after filling it up with material will be finished, be switched to a rear feed bin by the control of control valve and continue feeding, previous feed bin and barrel charge door disconnect, again supplement reinforced, so move in circles, incessantly sizing material extruding is entered in spout and barrel, barrel and charge door are in sealing state always, maintain constant pressure, thus ensure that the stable of the pressure of outlet of extruder,
2, compared with hand, this drawing-in device considerably reduces manually-operated labour intensity, makes feeding operations process become more simple light, makes the operation of whole extrusion system also more reliable and more stable;
3, compared with traditional pulley type feeding, the whole feeding procedure of this drawing-in device carries out in an airtight system, intrasystem back pressure is more stable, thus ensure that and extrude the stable of outlet pressure, effectively prevent fluctuation change and the open defect of the extruded product size caused because pressure oscillation change in extruder;
4, silicon rubber is extruded to process and is usually had higher requirements to extruder, as draw ratio, compression ratio, screw flight etc. have corresponding requirements, if use common Rubber Extruder to be difficult to process high-quality silica gel extruded product, and adopt this drawing-in device, owing to can make to keep constant pressure in barrel, both just used common extruder, and equally also can extrude density high, shiny appearance, the high-quality silica gel extruded product of dimensionally stable.
Accompanying drawing explanation
Fig. 1 be silica gel that the utility model provides extrude constant voltage drawing-in device use on extruder in structural representation;
Fig. 2 is the top view that constant voltage drawing-in device extruded by silica gel that the utility model provides;
Wherein, 1. left feed bin, 2. right feed bin, 3. discharging opening, 4. spout, 5. reversal valve, 6. cylinder, 7. piston, 8. extruder, 9. reversing handle, 10. barrel.
Detailed description of the invention
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Constant voltage drawing-in device extruded by the silica gel that Fig. 1, Fig. 2 show the utility model to be provided, and comprises at least two feed bins, is provided with piston in feed bin, the discharging opening that feed bin offers spout and is connected with extruding machine barrel charge door; Piston is connected with and drives it in feed bin to the reciprocating drive unit of discharging opening; The discharge outlet of feed bin is provided with control valve.
Multiple feed bin is switched mutually by the control of control valve, reciprocating motion of the pistons in different feed bin continues charging to barrel charge door place, barrel keeps sealing state, switches, then fed in raw material by spout in the feed bin that runs low of material, alternate cycles like this to barrel charge door feeding.
Control valve can be corresponding each feed bin setting, and in order to easy switching is quick, control valve also can be the reversal valve be connected between each feed bin discharge hole, directly carries out the quick switching between different feed bin by reversal valve.
Spout 4 and discharging opening 3 lay respectively at the both sides of feed bin, feed bin is specifically as follows two, be respectively left feed bin 1 and right feed bin 2, control valve between the discharging opening 3 of left feed bin 1 and the discharging opening 3 of right feed bin 2 is reversal valve 5, reversal valve 5 corresponds to extruding machine barrel charge door place, expects directly to enter barrel charge door through discharging opening 3.
Left feed bin 1 is horizontally disposed with right feed bin 2, and the discharging opening 3 of the two is oppositely arranged, convenient switching, and structure is simple, arranges conveniently.Drive unit is cylinder 6, and the piston rod of cylinder 6 is connected with the piston 7 in feed bin, and feed bin is fixedly connected with the cylinder body of cylinder 6, adopts pneumatic feeding manner, utilizes compressed air, and two cylinders are by piston 7 alternate feeding, feeding.
Piston 7 uses ptfe plastic, has antiseized effect on the one hand, prevents sizing material from sticking at piston 7 surface and is unfavorable for cleaning; On the other hand, avoid the pollution using metallic piston and metal charge mouth to produce black trace owing to repeatedly rubbing to bring, ensure that the cleannes of the sizing material in extruder, be convenient to produce light silastic product.
In silicon rubber extrusion, compressed air enters the cylinder of left feed bin 1, power button switching solenoid directional control valve is utilized to drive cylinder, cylinder piston rod, piston 7 bilateral reciprocation simultaneously of left feed bin 1, constantly sizing material is fed in left feed bin 1 by the spout 4 of left feed bin 1, till left feed bin 1 is fed completely.Meanwhile, piston 7 pairs of extruders 8 that right feed bin 2 passes through right feed bin 2 carry out injection moulding and feed in raw material, and when the sizing material in right feed bin 2 adds soon, with reversing handle 9, reversing valve core are switched to the cylinder of the left feed bin 1 filling it up with material, continue note pressure reinforced.At this moment right feed bin 2 is closed by reversing valve core, and left feed bin 1 is opened.Full material is fed in the action repeated above described in left feed bin 1 of right feed bin 2, right feed bin 2 is switched to again when left feed bin 1 material will be used up, two feed bin cycle alternation feedings like this also feed in raw material to extruder 8 injection moulding, barrel 10 is in the reinforced state of sealing all the time, even if when reversal valve 5 switches two feed bins, the sizing material total amount flowing into charge door also can not change, and does not almost affect, thus can ensure the pressure of extruder 8 continued for constant to the back pressure in barrel 10.Whole feeding procedure, by two cylinder conversions, moves in circles, until extrusion terminates.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a constant voltage drawing-in device extruded by silica gel, it is characterized in that, comprises at least two feed bins, is provided with piston in feed bin, the discharging opening that feed bin offers spout and is connected with extruding machine barrel charge door; Piston is connected with and drives it in feed bin to the reciprocating drive unit of discharging opening; The discharge outlet of feed bin is provided with control valve.
2. constant voltage drawing-in device extruded by silica gel according to claim 1, it is characterized in that, described control valve is be connected to the reversal valve between each feed bin discharge hole.
3. constant voltage drawing-in device extruded by silica gel according to claim 1, it is characterized in that, described feed bin is two, is respectively left feed bin and right feed bin, control valve between the discharging opening of left feed bin and the discharging opening of right feed bin is reversal valve, and reversal valve corresponds to extruding machine barrel charge door place.
4. constant voltage drawing-in device extruded by silica gel according to claim 3, it is characterized in that, described left feed bin and right feed bin are horizontally disposed with, and the discharging opening of the two is oppositely arranged.
5. constant voltage drawing-in device extruded by silica gel according to claim 1, it is characterized in that, described drive unit is cylinder, and the piston rod of cylinder is connected with the piston in described feed bin, and feed bin is fixedly connected with the cylinder body of cylinder.
6. constant voltage drawing-in device extruded by silica gel according to claim 1, it is characterized in that, described piston is ptfe plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520836877.4U CN205075309U (en) | 2015-10-27 | 2015-10-27 | Constant voltage feeding device is extruded to silica gel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520836877.4U CN205075309U (en) | 2015-10-27 | 2015-10-27 | Constant voltage feeding device is extruded to silica gel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205075309U true CN205075309U (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520836877.4U Expired - Fee Related CN205075309U (en) | 2015-10-27 | 2015-10-27 | Constant voltage feeding device is extruded to silica gel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205075309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253781A (en) * | 2019-06-10 | 2019-09-20 | 南京聚锋新材料有限公司 | Prilling granulator is used in a kind of production of flame-resistant plastic-wood composite materials |
-
2015
- 2015-10-27 CN CN201520836877.4U patent/CN205075309U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253781A (en) * | 2019-06-10 | 2019-09-20 | 南京聚锋新材料有限公司 | Prilling granulator is used in a kind of production of flame-resistant plastic-wood composite materials |
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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: 20160309 Termination date: 20181027 |