CN208531473U - A kind of feed opening component - Google Patents
A kind of feed opening component Download PDFInfo
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- CN208531473U CN208531473U CN201820780132.4U CN201820780132U CN208531473U CN 208531473 U CN208531473 U CN 208531473U CN 201820780132 U CN201820780132 U CN 201820780132U CN 208531473 U CN208531473 U CN 208531473U
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- discharge port
- big screw
- powder
- feed opening
- screw rod
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Abstract
The utility model discloses a kind of feed opening component, including cylinder, big screw rod and small screw, the cylinder is equipped with first charging aperture and the first discharge port；The big screw rod is set in the cylinder, when the rotation of big screw rod, can be conveyed powder from first charging aperture toward the first discharge port；The big screw rod includes big screw body and big screw rod wheel blade, and powder carry chamber is equipped in the big screw body, and the big screw body is equipped with the second charging aperture of connection powder carry chamber, and corresponding first discharge outlet of big screw body is equipped with the second discharge port；The small screw is intracavitary set on the powder carry, when the relatively large screw rod rotation of small screw, can convey powder from second charging aperture toward the second discharge port.Using the utility model, when demand fast blanking, big screw feeding can be passed through；When demand high-precision blanking, it can realize that feeding speed is not only fast but also smart by small screw feeding, the two cooperation, meet customer need.
Description
Technical field
The utility model relates to a kind of powder conveying mechanism more particularly to a kind of feed opening components.
Background technique
Feed opening component is the mechanism for controlling powder and uniformly sending out.Present feed opening component uses single screw rod structure, this
Kind structure has many advantages, such as that structure is simple, at low cost and assembly is easy.But it also have the shortcomings that it is obvious, such as can not simultaneously it is simultaneous
Feeding speed and pushing precision are cared for, the big feed opening component pushing precision of feeding speed is low, the low feed opening component of pushing precision
Feeding speed is slow, is unable to satisfy customer demand.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of feed opening components, it can be achieved that quick high accuracy
Discharging.
In order to solve the above-mentioned technical problem, the utility model provides a kind of feed opening component, including cylinder, big screw rod and
Small screw, the cylinder are equipped with first charging aperture and the first discharge port；The big screw rod is set in the cylinder, when big screw rod revolves
When turning, powder can be conveyed from first charging aperture toward the first discharge port；The big screw rod includes big screw body and big screw rod
Wheel blade, the big screw body is interior to be equipped with powder carry chamber, and the big screw body is equipped with the second of connection powder carry chamber
Feed inlet, corresponding first discharge outlet of big screw body are equipped with the second discharge port；It is defeated that the small screw is set to the powder
It send intracavitary, when small screw relatively large screw rod rotation, powder can be conveyed from second charging aperture toward the second discharge port.
As an improvement of the above scheme, the small screw is equipped with polished rod portion close to the second discharge outlet, and the polished rod portion is set
There is activity tabletting, the activity tabletting is connect with the first spring；Under original state, the second discharge port is sealed in the activity tabletting
It closes；When the pressure of powder reaches predetermined value, the end of activity tabletting polished rod can be pushed mobile, open the second discharge port.
As an improvement of the above scheme, the activity tabletting refers to the closing of the second discharge port: activity tabletting is annular, just
Under beginning state, the powder carry chamber with polished rod portion and before the second discharge port is abutted, and powder carry chamber and second are discharged
The connection truncation of mouth.
As an improvement of the above scheme, first discharge port and the second discharge port are set to the left end of cylinder, and described
One discharge port is sealed by first end cover, and the second discharge port is sealed by second end cover.
As an improvement of the above scheme, the second end cover is articulated on cylinder by the second linking arm, the first end
Lid center is equipped with the through-hole cooperated with the second discharge port；
The first end cover is articulated on cylinder by the first linking arm；
First linking arm is also connect with the first driving mechanism, and second linking arm is connect with the second driving mechanism；
First linking arm and the second linking arm are additionally provided with reset spring.
As an improvement of the above scheme, first discharge outlet is equipped with discharging barrier, and second discharge outlet is equipped with
Discharging ring.
As an improvement of the above scheme, the second charging aperture is to move towards identical shaped opening with big screw rod wheel blade, it
With being spaced apart from each other preset distance be set to big screw body on.
As an improvement of the above scheme, on the track of big screw body spiral one circle, at least provided with two strips
Opening.
As an improvement of the above scheme, the big screw rod is set in cylinder by first bearing, and the small screw passes through the
Two bearings are set in the powder carry chamber of big screw rod.
As an improvement of the above scheme, the end of the big screw rod is connect with first gear, the end of the small screw with
Second gear connection.
As an improvement of the above scheme, adjusting mechanism for discharging hole, the adjusting mechanism for discharging hole are socketed with outside the cylinder
Including sliding sleeve, corresponding first discharge outlet of the sliding sleeve is equipped with discharge nozzle, and the sliding sleeve is connected with adjusting rod.
As an improvement of the above scheme, the drum surface is equipped with limit base, and the adjusting rod protrudes into the limit base,
The adjusting rod is equipped with adjusting nut, and second spring, the adjusting nut energy are equipped between the adjusting nut and limit base
Enough control the pulling force size that second spring is applied to adjusting rod.
As an improvement of the above scheme, under original state, the discharge nozzle is staggered with the first discharge port；When the pressure of powder
When reaching the predetermined value of adjusting nut setting, adjusting mechanism for discharging hole can be pushed, makes discharge nozzle and the first discharge port part weight
It closes.
Implement the utility model, has the following beneficial effects:
A kind of feed opening component provided by the embodiment of the utility model, including big screw rod and small screw.Under demand is quick
When material, big screw feeding can be passed through；When demand high-precision blanking, can be cooperated by small screw feeding, the two, realization is sent
Expect that speed is not only fast but also smart, meets customer need.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of feed opening component of the utility model first embodiment；
Fig. 2 is the portion the A enlarged drawing of Fig. 1；
Fig. 3 is a kind of schematic perspective view of feed opening component of the utility model first embodiment；
Fig. 4 is a kind of cross-sectional view of feed opening component of the utility model second embodiment；
Fig. 5 is a kind of main view of feed opening component of the utility model second embodiment；
Fig. 6 is a kind of schematic perspective view of feed opening component of the utility model second embodiment.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.Only this state, the utility model occur in the text or will occur upper and lower, left and right, it is preceding,
Afterwards, the orientation such as inside and outside word is not the specific restriction to the utility model only on the basis of the attached drawing of the utility model.
As shown in Figure 1, the utility model first embodiment provides a kind of feed opening component, including cylinder 1, big screw rod 2
With small screw 3, the cylinder 1 is equipped with first charging aperture 11 and the first discharge port 12；The big screw rod 2 is set in the cylinder 1,
When the rotation of big screw rod 2, powder can be conveyed from first charging aperture 11 toward the first discharge port 12；The big screw rod 2 includes big
Screw body 21 and big screw rod wheel blade 22, the big screw body 21 is interior to be equipped with powder carry chamber 23, the big screw body 21
It is equipped with the second charging aperture 24 of connection powder carry chamber 23, the is equipped at corresponding first discharge port 12 of the big screw body 21
Two discharge ports 25；The small screw 3 is set in the powder carry chamber 23, can when the rotation of the relatively large screw rod 2 of small screw 3
Powder is conveyed from second charging aperture 24 toward the second discharge port 25.
Using the structure of the application, when demand fast blanking, big 2 feeding of screw rod can be passed through；When under demand high-precision
When material, it can realize that feeding speed is not only fast but also smart by 3 feeding of small screw, the two cooperation, meet customer need.
Wherein, the big screw rod 2 is set in cylinder 1 by first bearing 4, and the small screw 3 is set to by second bearing 5
In the powder carry chamber 23 of big screw rod 2.The end of the big screw rod 2 is connect with first gear 6, the end of the small screw 3 with
Second gear 7 connects.Powder be transported by feeding trolley transporting bowl realization, feeding trolley be equipped with first servo motor and
Second servo motor.When needing blanking, the cylinder of feeding trolley opens the movable sealing lid of feed opening component, the first servo electricity
Machine drives first gear 6 to rotate, and the second servo motor drives second gear 7 to rotate.First starting first servo motor carries out quick
Blanking stops first servo motor when the powder weight in charging basket is close to target weight, starts the second servo motor, until
Powder weight in charging basket reaches target weight, to realize quick high accuracy weighing.
According to specific embodiment of the present invention, the second charging aperture 24 is to move towards identical with big screw rod wheel blade 22
Shaped opening, they are set on big screw body 21 with being spaced apart from each other preset distance.Preferably, in big 21 spiral one of screw body
On the track of circle, at least provided with two described shaped openings, when guaranteeing the big rotation of screw body 21 to any position, described the
Two feed inlets 24 still have towards the part of first charging aperture 11, and guarantee can continue from the powder that first charging aperture 11 declines
Into second charging aperture 24.
In conjunction with Fig. 2, the small screw 3 is equipped with polished rod portion 31 at the second discharge port 25, and the polished rod portion 31, which is equipped with, to live
Dynamic pressure piece 32, the activity tabletting 32 are connect with the first spring 33；Under original state, the activity tabletting 32 is by the second discharge port
25 closings；When the pressure of powder reaches predetermined value, activity tabletting 32 can be pushed mobile to the end of polished rod, make the second discharging
Mouth 25 is opened.Further, the activity tabletting 32 refers to the closing of the second discharge port 25: activity tabletting 32 is annular, initially
It under state, is abutted with polished rod portion 31 and the powder carry chamber 23 before the second discharge port 25, by powder carry chamber 23 and
The connection of two discharge ports 25 is truncated.Pressure is applied to powder by activity tabletting 32, guarantees that the powder on small screw 3 is compacted,
It avoids loosely feeding being caused to be fluctuated due to the powder on small screw 3, improves pushing precision.
In conjunction with Fig. 3, adjusting mechanism for discharging hole 8 is socketed with outside the cylinder 1, the adjusting mechanism for discharging hole 8 includes sliding
Set 81, the sliding sleeve 81, which corresponds to, is equipped with discharge nozzle 82 at the first discharge port 12, the sliding sleeve 81 is connected with adjusting rod 83.Institute
1 surface of cylinder is stated equipped with limit base 84, the adjusting rod 83 protrudes into the limit base 84, and the adjusting rod 83, which is equipped with, to be adjusted
Nut 85, is equipped with second spring 86 between the adjusting nut 85 and limit base 84, the adjusting nut 85 can control second
Spring 86 is applied to the pulling force size of adjusting rod 83.Under original state, the discharge nozzle 82 is staggered with the first discharge port 12, makes
The closing of one discharge port 12；When the pressure of powder reaches the predetermined value of the setting of adjusting nut 85, discharge port can be pushed to adjust machine
Structure 8 makes discharge nozzle 82 partially overlap with the first discharge port 12, opens the first discharge port 12.The aperture of first discharge port 12 with
The discharging of powder is flux matched, prevents ambient dust from polluting powder.
In order to promote the water proof and dust proof performance of feed opening component, front/rear end, the cylinder 1 of first bearing 4 and second bearing 5
Rear ends and the junction of cylinder 1 and sliding sleeve 81 be equipped with sealing ring 9.The sealing ring 9 can be in feed opening group
When part long time running, powder is avoided to enter in bearing.And when client changes different color powder in same powder storage silo
When material, without removing whole group powder storage silo, only needs directly to clean in water-jet cartonning, different colours can be added after air-drying
Powder, simplify replacement program.
In conjunction with Fig. 4-Fig. 6, according to the utility model second embodiment, the difference is that, discharge with first embodiment
The position of mouth is different, and the mode of closing discharge port is different.Relative to first embodiment, structure provided in this embodiment can
Further increase discharging precision.
Specifically: the first discharge port 12 described in the present embodiment and the second discharge port 25 are set on the left end of cylinder, institute
It states the first discharge port 12 to seal by first end cover 13, the second discharge port 25 is sealed by second end cover 14.The second end cover
14 are articulated on cylinder by the second linking arm 15, and 13 center of first end cover is equipped with to be led to what the second discharge port 25 cooperated
Hole；The first end cover 13 is articulated on cylinder by the first linking arm 17；First linking arm 17 also with the first driving machine
Structure 16a connection, second linking arm 15 are connect with the second driving mechanism 16b；First linking arm 17 and the second linking arm
15 are additionally provided with reset spring 18.It is equipped with discharging barrier 19 at first discharge port 12, is equipped at second discharge port 25
Expect ring 10.
The first driving mechanism 16a and the second driving mechanism 16b can be hydraulic cylinder or pneumatic cylinder, be used to drive
One linking arm 17 or the second linking arm 15 open first end cover 13 or second end cover 14.The reset spring 18 is for assisting the
One end cap 13 and second end cover 14 are closed.Through this embodiment, when needing fast blanking, first end cover 13 can be opened, is led to
The rotation of excessive screw rod 2 shifts powder onto first discharge port 12, and discharging barrier 19 is equipped at first discharge port 12, and being used for will
Powder compresses, and squeezes out powder from the gap location of discharging barrier 19, keeps cutting stock precision under the premise of quickly discharging.Work as needs
When high-precision blanking, big screw rod 2 stops operating, and first end cover 13 is closed, and second end cover 14 is opened, and small screw 3 starts turning, will
Powder shifts the second discharge port 25 onto, is equipped with discharging ring 10, the relative aperture second of the discharging ring 10 at second discharge port 25
Discharge port 25 is small, for compressing powder, squeezes out powder from the center of discharging ring 10, improves discharging precision to the maximum extent.
Implement second embodiment, structure is more compact, additional movable device-adjusting mechanism for discharging hole 8 is avoided,
Influence to discharging precision, improves the stability of precision controlling.
Above disclosed is only a kind of preferred embodiment of the utility model, certainly cannot be practical to limit with this
Novel interest field, therefore equivalent variations made according to the claim of the utility model still belong to what the utility model was covered
Range.
Claims (10)
1. a kind of feed opening component, which is characterized in that including cylinder, big screw rod and small screw, the cylinder is equipped with the first charging
Mouth and the first discharge port；The big screw rod is set in the cylinder, can be by powder from first charging aperture when the rotation of big screw rod
It is conveyed toward the first discharge port；The big screw rod includes big screw body and big screw rod wheel blade, is equipped with powder in the big screw body
Expect conveyor chamber, the big screw body is equipped with the second charging aperture of connection powder carry chamber, the big screw body corresponding the
One discharge outlet is equipped with the second discharge port；The small screw is intracavitary set on the powder carry, when the relatively large screw rod rotation of small screw
When turning, powder can be conveyed from second charging aperture toward the second discharge port.
2. feed opening component as described in claim 1, which is characterized in that the small screw is equipped with light close to the second discharge outlet
Bar portion, the polished rod portion are equipped with activity tabletting, and the activity tabletting is connect with the first spring；Under original state, the activity pressure
Piece closes the second discharge port；When the pressure of powder reaches predetermined value, the end of activity tabletting polished rod can be pushed mobile, made
Second discharge port is opened.
3. feed opening component as claimed in claim 2, which is characterized in that the second discharge port is closed in the activity tabletting is
Refer to: activity tabletting is annular, and under original state, the powder carry chamber with polished rod portion and before the second discharge port is abutted, will
The connection of powder carry chamber and the second discharge port is truncated.
4. feed opening component as described in claim 1, which is characterized in that first discharge port and the second discharge port are set to
The left end of cylinder, first discharge port are sealed by first end cover, and the second discharge port is sealed by second end cover.
5. feed opening component as claimed in claim 4, which is characterized in that the second end cover is articulated with by the second linking arm
On cylinder, the first end cover center is equipped with the through-hole cooperated with the second discharge port；
The first end cover is articulated on cylinder by the first linking arm；
First linking arm is also connect with the first driving mechanism, and second linking arm is connect with the second driving mechanism；
First linking arm and the second linking arm are additionally provided with reset spring.
6. feed opening component as claimed in claim 5, which is characterized in that first discharge outlet is equipped with discharging barrier, institute
The second discharge outlet is stated equipped with discharging ring.
7. feed opening component as described in claim 1, which is characterized in that the second charging aperture is to move towards with big screw rod wheel blade
Identical shaped opening, they are set on big screw body with being spaced apart from each other preset distance.
8. feed opening component as claimed in claim 7, which is characterized in that on the track of big screw body spiral one circle, until
Described shaped opening there are two setting less.
9. feed opening component as described in claim 1, which is characterized in that it is socketed with adjusting mechanism for discharging hole outside the cylinder,
The adjusting mechanism for discharging hole includes sliding sleeve, and corresponding first discharge outlet of the sliding sleeve is equipped with discharge nozzle, the sliding sleeve
It is connected with adjusting rod.
10. feed opening component as claimed in claim 9, which is characterized in that the drum surface is equipped with limit base, the adjusting
Bar protrudes into the limit base, and the adjusting rod is equipped with adjusting nut, and second is equipped between the adjusting nut and limit base
Spring, the adjusting nut can control the pulling force size that second spring is applied to adjusting rod；
Under original state, the discharge nozzle is staggered with the first discharge port；When the pressure of powder reaches the predetermined of adjusting nut setting
When value, adjusting mechanism for discharging hole can be pushed, discharge nozzle is made to partially overlap with the first discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820780132.4U CN208531473U (en) | 2018-05-23 | 2018-05-23 | A kind of feed opening component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820780132.4U CN208531473U (en) | 2018-05-23 | 2018-05-23 | A kind of feed opening component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208531473U true CN208531473U (en) | 2019-02-22 |
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ID=65393735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820780132.4U Active CN208531473U (en) | 2018-05-23 | 2018-05-23 | A kind of feed opening component |
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| Country | Link |
|---|---|
| CN (1) | CN208531473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545417A (en) * | 2018-05-23 | 2018-09-18 | 佛山市南海天富科技有限公司 | A kind of feed opening component |
-
2018
- 2018-05-23 CN CN201820780132.4U patent/CN208531473U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545417A (en) * | 2018-05-23 | 2018-09-18 | 佛山市南海天富科技有限公司 | A kind of feed opening component |
| CN108545417B (en) * | 2018-05-23 | 2024-02-23 | 佛山市南海天富科技有限公司 | Feed opening subassembly |
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