CN205309299U - Injection device of low water content powder thick liquids and use its powder metallurgy system - Google Patents
Injection device of low water content powder thick liquids and use its powder metallurgy system Download PDFInfo
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- CN205309299U CN205309299U CN201521055008.4U CN201521055008U CN205309299U CN 205309299 U CN205309299 U CN 205309299U CN 201521055008 U CN201521055008 U CN 201521055008U CN 205309299 U CN205309299 U CN 205309299U
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Abstract
The utility model relates to a powder metallurgy field especially relates to an injection device of low water content powder thick liquids and use its powder metallurgy system, and injection device includes the mount, pushes away material power device and pushes away the material jar, push away material power device and push away the material jar, it connects and a storage section of thick bamboo including pushing away the material to push away the material jar, it connects including covering the shell and bulldozing the head to push away the material, storage section of thick bamboo upper end is the opening, and the lower extreme is equipped with the discharge gate, the upper end of a storage section of thick bamboo and the lower extreme detachable concatenation of lid shell, thick liquids are injected to the mode that injection device adopted the forward to push down, do not adopt the mode of negative pressure suction for among the thick liquids injection process, every in stage get into the moisture content of the thick liquids of shaping in touching basic with leave a storage section of thick bamboo in thick liquids the moisture content unanimously, the phenomenon that the moisture content increases suddenly can not appear, injection device adopts the removable storage section of thick bamboo of feeding that unloads, and the injection can be followed along with the dress to thick liquids, and is more convenient, the injection device structure is simpler, and the operation is also simple more, convenient, great improvement production efficiency.
Description
Technical field
The utility model relates to field of powder metallurgy, particularly relates to the injection device of low water content powder slurries and uses its powder metallurgical systems.
Background technology
The compression moulding process of domestic wet powder forming machine after wet powder and slurry have been injected needs discharged by moisture and realize shaping. Owing to raw material is slimy, so just requiring that when filling slurry there is airtight cavity volume injection device inside, and slurry can be injected.
As shown in Figure 1, current injection device comprises: stir barrel 100, break-make valve 1, master cylinder 1, break-make valve 2 220, master cylinder 221, and injection promotes cylinder 300, injection cylinder 310. First stir barrel 100 to continue to stir to the slurry deposited, reach the homogeneity as far as possible keeping it moisture; Then break-make valve 1 is open-minded under the driving of master cylinder 1, break-make valve 2 220 cuts out under the driving of master cylinder 211, injection promotes cylinder 300 to drive injection cylinder 310 to aspirate, and the mode that suction born by slurry by vacuum is sucked up in injection port 310 along pipeline and temporarily deposits; Last break-make valve 2 220 is opened under the driving of master cylinder 211, break-make valve 1 cuts out under the driving of master cylinder 1, injection cylinder 310 extrudes under injection promotes the promotion of cylinder 300, injects in the forming cavity of shaping mould 400 under the squeezing action of slurry injection cylinder 310 again.
Existing this kind of injector, although adding the stirring barrel 100 of the function with stirring, but the part that slurry stirs barrel 100 periphery under deadweight effect stir at all less than, being therefore difficult to ensure in slurry, powder and moisture mix completely; Especially, being that moisture is first sucked away certainly when slurry is sucked up to injection cylinder 310 in the way of bearing suction by vacuum, thus cause the component concentration difference every time sucking the slurry in injection cylinder 310 very big, namely in the slurry in injection cylinder, water content is different;In the slurry of this kind, water content exceeds standard and in uncontrollable situation, the product that finally injection pressure is made in forming cavity, or it is highly not enough to be that powder causes not, or is that product density is inadequate, and then the stability making product is very poor, and scrap rate increases.
Practical novel content
It is simple that the purpose of this utility model is to propose a kind of structure, barrel fast changeable, in the forming cavity of shaping mould, and the injection device of stable injectable low water content powder slurries and use its metallurgical system.
For reaching this object, the utility model by the following technical solutions:
An injection device for low water content powder slurries, comprises anchor, pusher power set and pusher tank, and described pusher power set and pusher tank from top to down are located at described anchor; Described pusher tank inside is provided with cavity volume, and it comprises pusher joint and material storage tube; Described pusher joint comprises lid shell and push head; Described material storage tube upper end is provided with opening end and closed end, and described closed end is provided with discharge port; Described lid shell is removable installed in the opening end of described material storage tube, and the sidewall with described material storage tube forms closed cavity volume; One end of described push head is connected with the telescopic end of described pusher power set, and the other end of described push head is close to the inwall of described cavity volume, and moves relative to the sidewall of described material storage tube.
Illustrating further, described pusher power set is telescopic oil cylinder, and the expansion link end of described telescopic oil cylinder is connected with the upper end of described push head.
More excellent, described push head comprises push rod and piston portion, and the upper end of described push rod is connected with the telescopic end of described pusher power set, and its lower end is provided with described piston portion; The inwall that the periphery of described piston portion is close to described cavity volume moves up and down.
More excellent, the installation mouth that described push rod is provided with from the upper end of described lid shell passes, and is close to described installation mouth and slides.
More excellent, described material storage tube adopts helicitic texture to be connected with described lid shell.
More excellent, described material storage tube and described lid shell are connected and fixed by buckle structure.
More excellent, the opening end of described material storage tube is provided with elastic seal ring.
Using the powder metallurgical systems of above-mentioned injection device, it comprises described injection device and shaping mould, and the forming cavity that the discharge port that the lower end of described material storage tube is provided with is provided with described shaping mould inside is connected.
More excellent, the discharge port of described material storage tube is connected by pipeline with described shaping mould, and described pipeline is provided with rapid-acting coupling.
The utility model proposes the injection device of a kind of low water content powder slurries according to foregoing and uses its powder metallurgical systems; Described injection device adopts the mode pressed downward to carry out injecting slurry, and do not adopt the mode of negative pressure-pumping of the prior art, make in slurry injection process, it is basic consistent with the moisture content of the slurry leaving in material storage tube that each stage enters the shaping moisture content touching interior slurry, there will not be the phenomenon that moisture content increases suddenly; More excellent, described injection device adopts the removable material storage tube unloading charging, and slurry with dress with injection, can be feeded convenient; Described injection device structure is more simple, and operation is also more simple, convenient, improves production efficiency greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the injection device of powder slurries in prior art;
Fig. 2 is the structural representation of an embodiment of injection device described in the utility model.
Wherein: stir barrel 100, break-make valve 1, master cylinder 1, break-make valve 2 220, master cylinder 221, injection promotes cylinder 300, injection cylinder 310, shaping mould 400, pusher power set 500, pusher tank 600, pusher joint 610, push head 611, push rod 612, piston portion 613, lid shell 614, material storage tube 620, rapid-acting coupling 700.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, the technical solution of the utility model is described further.
As shown in Figure 2, the injection device of a kind of low water content powder slurries, comprises anchor, pusher power set 500 and pusher tank 600, and described pusher power set 500 and pusher tank from top to down are located at described anchor; Described pusher tank 600 inside is provided with cavity volume, and it comprises pusher joint 610 and material storage tube 620; Described pusher joint 610 comprises lid shell 614 and push head 611; Described material storage tube 620 is provided with opening end and closed end, and described closed end is provided with discharge port; Described lid shell 614 is removable installed in the opening end of described material storage tube 620, and the sidewall with described material storage tube 620 forms closed cavity volume;
One end of described push head 611 is connected with the telescopic end of described pusher power set 500, and the other end of described push head 611 is close to the inwall of described cavity volume, and moves relative to the sidewall of described material storage tube 620.
Described injection device adopts the mode pressed downward to carry out injecting slurry, and do not adopt the mode of negative pressure-pumping of the prior art, make in slurry injection process, the moisture content that each stage enters the shaping slurry touching in 400 is basic consistent with the moisture content of the slurry left in material storage tube 620, there will not be the phenomenon that moisture content increases suddenly; More excellent, described injection device adopts the removable material storage tube 620 unloading charging, and slurry with dress with injection, can be feeded convenient; Described injection device structure is more simple, and operation is also more simple, convenient, improves production efficiency greatly.
Described pusher power set 500 is telescopic oil cylinder, and the expansion link end of described telescopic oil cylinder is connected with the upper end of described push head 611. The telescopic direction of telescopic oil cylinder is stablized, and stretching speed and pressure size regulate by supporting hydraulic control system so that the movement of described push head 611 is easier to control, and then the injection process controllability making slurry is higher.
Described push head 611 comprises push rod 612 and piston portion 613, and the upper end of described push rod 612 is connected with the telescopic end of described pusher power set 500, and its lower end is provided with described piston portion 613; The inwall that the periphery of described piston portion 613 is close to described cavity volume moves up and down. Described pressure head adopts push rod 612 to be connected with described pusher power set 500 so that described pusher joint 610 upper end size is less, namely decreases the weight of described push head 611, alleviates again the load of described pusher power set 500; The inwall that the periphery of described piston portion 613 must be close to described cavity volume moves, and avoids described piston portion 613 and occurs, when pushing slurry, the phenomenon that resistance to air loss is not good, thus provides enough pressure for slurry injection process.
The installation mouth that described push rod 612 is provided with from the upper end of described lid shell 614 passes, and is close to described installation mouth and slides. Described push rod about 612 is avoided to rock so that described push rod 612 is flexible remains linear telescopic, and then ensures the stable movement of piston portion 613.
Described material storage tube 620 adopts helicitic texture to be connected with described lid shell 614, or described material storage tube 620 is connected and fixed by buckle structure with described lid shell 614. Described material storage tube 620 has a lot with lid shell 614 connecting method, it is preferred to use structure is simple and dismantles and installs helicitic texture and buckle structure fast.
The opening end of described material storage tube 620 is provided with elastic seal ring. Make described discharge barrel and described pusher joint 610 be spliced into as a whole after, the sealing property of stitching position is better, ensure that enough big injection pressure, prevents again slurry from leaking.
Using the powder metallurgical systems of above-mentioned injection device, comprise described injection device and shaping mould 400, the forming cavity that the discharge port that described material storage tube 620 times ends are provided with is provided with described shaping mould 400 inside is connected.
Illustrating further, the discharge port of described material storage tube 620 is connected by pipeline with described shaping mould 400, and described pipeline is provided with rapid-acting coupling 610. The rapid-acting coupling 700 adopted can be a lot of in, direct insertion joint etc. as common in market, buying and convenient; When being feeded by described material storage tube 620, it is only necessary to disconnect described rapid-acting coupling 700 so that described pipeline separates with described material storage tube 620, then separating described material storage tube 620 and described pusher joint 610, difference goes to pull out pipeline again; Make the dismounting of described material storage tube 620 and install more fast, conveniently.
Described powder metallurgical systems apply described injection device to shaping touch injecting slurry in 400 time, first as requested slurry preparation is got well and insert in material storage tube 620, again material storage tube 620 and described pushing structure are spliced to form an entirety, finally control described pusher power set 500 according to the rate requirement of injecting slurry to move, described push head 611 is moved down under the driving of described pusher power set 500 in described pusher tank 600, and then the slurry being originally stored in material storage tube 620 is injected to by pipeline shaping touches in 400; After slurry is injected, described push head 611 moves up again under the driving of described pusher power set 500, returns in described pusher joint 610, is convenient to described material storage tube 620 and separates with described pusher joint 610.
Below know-why of the present utility model is described in conjunction with specific embodiments. These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection domain by any way. Based on explanation herein, the technician of this area does not need to pay creative work can associate other embodiment of the present utility model, and these modes all will fall within protection domain of the present utility model.
Claims (9)
1. the injection device of a low water content powder slurries, it is characterised in that, comprise anchor, pusher power set and pusher tank, described pusher power set and pusher tank from top to down are located at described anchor; Described pusher tank comprises pusher joint and material storage tube; Described pusher joint comprises lid shell and push head; Described material storage tube upper end is provided with opening end and closed end, and described closed end is provided with discharge port; Described lid shell is removable installed in the opening end of described material storage tube, and the sidewall with described material storage tube forms closed cavity volume; One end of described push head is connected with the telescopic end of described pusher power set, and the other end of described push head is close to the inwall of described cavity volume, and moves relative to the sidewall of described material storage tube.
2. the injection device of a kind of low water content powder slurries according to claim 1, it is characterised in that, described pusher power set is telescopic oil cylinder.
3. the injection device of a kind of low water content powder slurries according to claim 1, it is characterised in that, described push head comprises push rod and piston portion, and described pusher power set is connected by the piston portion of push rod with described push head.
4. the injection device of a kind of low water content powder slurries according to claim 3, it is characterised in that, the installation mouth that described push rod is provided with from the upper end of described lid shell passes, and is close to described installation mouth and slides.
5. the injection device of a kind of low water content powder slurries according to claim 1, it is characterised in that, described material storage tube adopts helicitic texture to be connected with described lid shell.
6. the injection device of a kind of low water content powder slurries according to claim 1, it is characterised in that, described material storage tube and described lid shell are connected and fixed by buckle structure.
7. the injection device of a kind of low water content powder slurries according to claim 6, it is characterised in that, the opening end of described material storage tube is provided with elastic seal ring.
8. use in claim 1-7 the powder metallurgical systems of the injection device described in any one, it is characterised in that, comprise described injection device and shaping mould, the discharge port that the lower end of described material storage tube the is provided with forming cavity that be provided with inner with described shaping mould is connected.
9. a kind of powder metallurgical systems according to claim 8, it is characterised in that, the discharge port of described material storage tube is connected by pipeline with described shaping mould, and described pipeline is provided with rapid-acting coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521055008.4U CN205309299U (en) | 2015-12-16 | 2015-12-16 | Injection device of low water content powder thick liquids and use its powder metallurgy system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521055008.4U CN205309299U (en) | 2015-12-16 | 2015-12-16 | Injection device of low water content powder thick liquids and use its powder metallurgy system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205309299U true CN205309299U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521055008.4U Active CN205309299U (en) | 2015-12-16 | 2015-12-16 | Injection device of low water content powder thick liquids and use its powder metallurgy system |
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| Country | Link |
|---|---|
| CN (1) | CN205309299U (en) |
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2015
- 2015-12-16 CN CN201521055008.4U patent/CN205309299U/en active Active
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