CN208374207U - A kind of negative pressure device for inhaling powdery substances for powder press - Google Patents
A kind of negative pressure device for inhaling powdery substances for powder press Download PDFInfo
- Publication number
- CN208374207U CN208374207U CN201821034910.1U CN201821034910U CN208374207U CN 208374207 U CN208374207 U CN 208374207U CN 201821034910 U CN201821034910 U CN 201821034910U CN 208374207 U CN208374207 U CN 208374207U
- Authority
- CN
- China
- Prior art keywords
- red seat
- plug
- formed punch
- negative pressure
- pressure device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of negative pressure device for inhaling powdery substances for powder press, including formed punch, plug, the formed punch is arranged vertically, punch-center is provided with vertical through-hole, the plug runs through formed punch, plug and formed punch clearance fit, red seat under the ram bottom is connected, vertical through-hole is arranged in the lower red seat center, plug runs through lower red seat, and plug is slidably connected lower red seat, and seal washer is arranged between plug and lower red seat, the lower red seat inner horizontal setting runs through the stomata of lower red seat side wall, and vacuum pump connects stomata.The air of mold cavity bottoms accumulation can be sucked out in the utility model, improve product qualification rate, expand the production range of powder press.
Description
Technical field
The utility model relates to powder press manufacturing fields more particularly to a kind of negative pressure for powder press to inhale powder dress
It sets.
Background technique
Powder metallurgy is then to be compacted become hair by the way that metal powder to be filled in mould cavity in product shaping stage
Base, automatic forming press are poured into metal powder from die top in compacting, using material boots, and powder flows into die cavity, finally fills up
Die cavity completes automatic powder loading, and when product is elongated product, since dress powder depth is higher, the powder that initial stage flows into die cavity covers
Die cavity top has been covered, the discharge of air in die cavity is blocked, portioned product is caused to there is sky in the lower part of die cavity in the dress powder stage
The entrainment of bubble influences the stability of product, scrap of the product is caused when serious.
Utility model content
The utility model is intended to provide a kind of negative pressure device for inhaling powdery substances for powder press, and mold cavity bottoms accumulation can be sucked out
Air, improve product qualification rate, expand the production range of powder press.
In order to achieve the above objectives, the utility model adopts the following technical solutions realization:
The utility model discloses a kind of negative pressure device for inhaling powdery substances for powder press, including formed punch, plug, and the formed punch is perpendicular
Straight arrangement, punch-center are provided with vertical through-hole, and the plug runs through formed punch, plug and formed punch clearance fit, the formed punch bottom
Portion is connected lower red seat, and the lower red seat center is arranged vertical through-hole, and plug runs through lower red seat, and plug is slidably connected lower red seat, core
Seal washer is set between stick and lower red seat, and the lower red seat inner horizontal setting runs through the stomata of lower red seat side wall, vacuum pump
Connect stomata.
It preferably, further include cavity plate, cavity plate is provided centrally with the through-hole equal sized with punch tip, and formed punch is from cavity plate bottom
Portion is inserted into cavity plate through-hole, and cavity plate is slidably connected with formed punch.
Preferably, the vacuum pump connects control unit, and described control unit connects sensor, described control unit connection
Solenoid valve, the solenoid valve connect vacuum pump.
Preferably, control unit includes single-chip microcontroller.
Preferably, positioning step is set on the outside of the ram bottom.
It preferably, further include gland, gland is cyclic structure, setting and positioning table on the outside of ram bottom at the top of gland inner wall
The positioning step of rank adaptation, gland are sleeved on formed punch, red seat under gland is connected.
Preferably, red seat under the gland is connected by bolt.
Preferably, the groove being adapted to the seal washer is arranged in the lower red seat inner wall.
Preferably, the punch pin through-bores are the stepped throughhole that internal diameter increases from top to bottom.
Preferably, there are the gaps 3-10um for the outer wall of through-hole wall and plug at the top of the formed punch.
Preferably, the material of the seal washer is rubber.
Preferably, there are three ladders for the stepped throughhole of the formed punch.
Preferably, positioning step is arranged in outside in the middle part of the formed punch.
Preferably, the distance of positioning step is less than or equal to the depth of the cavity plate through-hole in the middle part of falling at the top of the formed punch.
Preferably, the vacuum pump is connect with the stomata by tracheae.
Preferably, the tracheae is plastics tracheae.
The utility model has the beneficial effects that
1, the air of mold cavity bottoms accumulation can be sucked out in the utility model.
2, the utility model can be improved product qualification rate.
3, the utility model allows to manufacture extremely elongated and thin-wall part product, expanding production range.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is solenoid valve control schematic diagram.
In figure: red seat under 1- cavity plate, 2- formed punch, 3- plug, 4-, 5- seal washer, 6- stomata, 7- gland, 8- vacuum pump,
9- solenoid valve, 10- control unit, 11- sensor.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality
It is further elaborated with novel.
As shown in Figure 1 and Figure 2, the utility model includes cavity plate 1, formed punch 2, plug 3, and the formed punch 2 is arranged vertically, cavity plate 1
Be provided centrally with the through-hole equal with 2 tip size of formed punch, formed punch 2 out of the insertion of 1 bottom of cavity plate 1 through-hole of cavity plate, formed punch 2 with it is recessed
Mould 1 is slidably connected, and the formed punch 2 is provided centrally with vertical through-hole, and the plug 3 runs through formed punch 2, and plug 3 is matched with 2 gap of formed punch
It closes, red seat 4 under 2 bottom of formed punch is connected, vertical through-hole is arranged in lower 4 center of red seat, and plug 3 runs through lower red seat 4, plug
3 are slidably connected lower red seat 4, and seal washer 5 is arranged between plug 3 and lower red seat 4, and lower 4 inner horizontal of the red seat setting runs through
The stomata 6 of lower 4 side wall of red seat, vacuum pump 8 connect stomata 6, and the vacuum pump 8 connects control unit 10, described control unit 10
Sensor 11 is connected, described control unit 10 connects solenoid valve 9, and the solenoid valve 9 connects vacuum pump 8, and control unit 10 includes
Positioning step is arranged in single-chip microcontroller, 2 bottom outside of formed punch, further includes gland 7, and gland 7 is cyclic structure, 7 inner wall top of gland
The positioning step that is adapted to 2 bottom outside positioning step of formed punch is arranged in portion, and gland 7 is sleeved on formed punch 2, and gland 7 is connected undershoot
The ditch being adapted to the seal washer 5 is arranged in seat 4, red seat 4 under the gland 7 is connected by bolt, lower 4 inner wall of red seat
Slot, 2 through-hole of formed punch are the stepped throughhole that internal diameter increases from top to bottom, the 2 top through-hole wall of formed punch and plug 3
For outer wall there are the gap 3-10um, the material of the seal washer 5 is rubber, the stepped throughhole of the formed punch 2 there are three ladder,
Positioning step is arranged in 2 middle part outside of the formed punch, fallen at the top of the formed punch 2 middle part positioning step distance be less than or equal to it is described recessed
The depth of 1 through-hole of mould, the vacuum pump 8 are connect with the stomata 6 by tracheae, and the tracheae is plastics tracheae, the sensing
Device 11 is metal sensor.
In actual use, sensor 11 is opened in the rotary part inductive signal of powder press when filling metal powder
Solenoid valve 9 opens vacuum pump 8, and vacuum pump 8 produces after opening in the inner cavity that formed punch 2, plug 3, seal washer 5, lower red seat 4 are formed
Raw negative pressure, due to 3 clearance fit of formed punch 2 and plug, under the action of negative pressure, the die cavity bottom that plug 3, formed punch 2, cavity plate 1 are formed
The air of portion's accumulation is sucked out, and the filling for improving metal powder is complete.
Certainly, the utility model can also have other various embodiments, without departing substantially from the spirit of the present invention and its essence
In the case of, those skilled in the art can make various corresponding changes and modifications, but these phases according to the utility model
The change and modification answered all should belong to the protection scope of the utility model the attached claims.
Claims (10)
1. a kind of negative pressure device for inhaling powdery substances for powder press, it is characterised in that: including formed punch, plug, the vertical cloth of formed punch
It sets, punch-center is provided with vertical through-hole, and the plug runs through formed punch, plug and formed punch clearance fit, and the ram bottom is solid
Even lower red seat, the lower red seat center are arranged vertical through-hole, and plug runs through lower red seat, and plug is slidably connected lower red seat, plug with
Seal washer is set between lower red seat, and the lower red seat inner horizontal setting runs through the stomata of lower red seat side wall, vacuum pump connection
Stomata.
2. the negative pressure device for inhaling powdery substances according to claim 1 for powder press, it is characterised in that: it further include cavity plate, it is recessed
Mould is provided centrally with the through-hole equal sized with punch tip, and formed punch is out of female bottom insertion cavity plate through-hole, cavity plate and formed punch
It is slidably connected.
3. the negative pressure device for inhaling powdery substances according to claim 1 for powder press, it is characterised in that: the vacuum pump connection
Control unit, described control unit connect sensor, and described control unit connects solenoid valve, and the solenoid valve connects vacuum pump.
4. the negative pressure device for inhaling powdery substances according to claim 1 for powder press, it is characterised in that: outside the ram bottom
Positioning step is arranged in side.
5. the negative pressure device for inhaling powdery substances according to claim 4 for powder press, it is characterised in that: it further include gland, pressure
Lid is cyclic structure, the positioning step being adapted to positioning step on the outside of ram bottom is arranged at the top of gland inner wall, gland is sleeved on
On formed punch, red seat under gland is connected.
6. the negative pressure device for inhaling powdery substances according to claim 5 for powder press, it is characterised in that: the gland passes through spiral shell
Red seat under bolt is connected.
7. the negative pressure device for inhaling powdery substances according to claim 1 for powder press, it is characterised in that: the lower red seat inner wall
The groove being adapted to the seal washer is set.
8. the negative pressure device for inhaling powdery substances according to claim 1 for powder press, it is characterised in that: the punch pin through-bores are
The stepped throughhole that internal diameter increases from top to bottom.
9. the negative pressure device for inhaling powdery substances according to claim 7 for powder press, it is characterised in that: logical at the top of the formed punch
There are the gaps 3-10um for the outer wall of hole inner wall and plug.
10. the negative pressure device for inhaling powdery substances according to claim 1 for powder press, it is characterised in that: the seal washer
Material be rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821034910.1U CN208374207U (en) | 2018-07-02 | 2018-07-02 | A kind of negative pressure device for inhaling powdery substances for powder press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821034910.1U CN208374207U (en) | 2018-07-02 | 2018-07-02 | A kind of negative pressure device for inhaling powdery substances for powder press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208374207U true CN208374207U (en) | 2019-01-15 |
Family
ID=64965478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821034910.1U Expired - Fee Related CN208374207U (en) | 2018-07-02 | 2018-07-02 | A kind of negative pressure device for inhaling powdery substances for powder press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208374207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850474A (en) * | 2022-05-27 | 2022-08-05 | 刘晨旭 | Preparation equipment and preparation process of heat-resistant aluminum-based composite material |
-
2018
- 2018-07-02 CN CN201821034910.1U patent/CN208374207U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850474A (en) * | 2022-05-27 | 2022-08-05 | 刘晨旭 | Preparation equipment and preparation process of heat-resistant aluminum-based composite material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |