CN210548081U - Powder feeding mechanism - Google Patents

Powder feeding mechanism Download PDF

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Publication number
CN210548081U
CN210548081U CN201921311839.1U CN201921311839U CN210548081U CN 210548081 U CN210548081 U CN 210548081U CN 201921311839 U CN201921311839 U CN 201921311839U CN 210548081 U CN210548081 U CN 210548081U
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CN
China
Prior art keywords
powder
box
feeding
feeding box
pay
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Active
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CN201921311839.1U
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Chinese (zh)
Inventor
胡军
高福臣
颜欢
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Chongqing Chengjun Industry & Trading Co ltd
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Chongqing Chengjun Industry & Trading Co ltd
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Abstract

The utility model belongs to the technical field of powder metallurgy, specifically disclose a powder feeding mechanism, including the pay-off box, pay-off box upper end is equipped with the feed inlet, and the pay-off box lower extreme is equipped with the discharge gate with mould import matched with, installs the detector that is used for detecting powder height in the pay-off box on the pay-off box. Adopt the utility model discloses a scheme makes things convenient for the feeding, simultaneously according to the steerable feeding precision of detection of detector.

Description

Powder feeding mechanism
Technical Field
The utility model belongs to the technical field of powder metallurgy, concretely relates to powder feeding mechanism.
Background
Powder metallurgy accomplishes through the system base sintering with metal powder or metal and non-metallic's mixture, thereby powder metallurgy adds the powder to system base mould back through the extrusion and accomplish the system base in-process in the system base, the tradition is added the powder and is added through the manual work in the mould, and the unable accurate control powder's of manual work joining volume, thereby cause the material extravagant easily, for solving this problem, prior art has developed the feeder of steerable feeding precision, the discharge amount of powder in the control feeder promptly, and then guarantee the accuracy nature of adding the powder volume, discharged powder sends to in the feeder through the hose dispatch, the feeder box is used for transporting the powder to the mould in. However, in the long-time use process, the hose is easy to distort or deform, so that the problem of powder jamming in the hose is caused, and even if the powder discharge amount of the feeder is accurate, when the problem of powder jamming in the hose is caused, the accuracy of the powder amount entering the die cannot be ensured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a powder feeding mechanism to solve the unsafe problem of powder volume in getting into the mould.
In order to achieve the above purpose, the basic scheme of the utility model is as follows: powder feeding mechanism, including the pay-off box, the pay-off box upper end is equipped with the feed inlet, and the pay-off box lower extreme is equipped with the discharge gate with mould import matched with, installs the detector that is used for detecting the interior powder height of pay-off box on the pay-off box.
The theory of operation and the beneficial effect of this basic scheme lie in:
in the prior art, the feeding box needs to move from the feeder to the inlet of the die, and the powder needs to be conveyed into the feeding box through the hose, so that the amount of the powder finally remained in the feeding box (namely, added into the die) is insufficient in the process, so that the powder is usually added into the feeding box as much as possible during feeding, and even if the powder is consumed in the feeding process, the amount of the powder entering the die can be ensured to be sufficient. However, a new problem easily occurs in that a part of the redundant powder is left in the feeding box, and after the powder is used for a long time, the amount of the participated powder in the feeding box is increased, and at this time, the feeder cannot feed the powder into the feeding box according to the set feeding amount, and the feeding amount of the feeder is difficult to adjust and control. In the application, the detector is arranged in the feeding box and used for detecting the height of the powder in the feeding box, so that the problems can be solved, the residual powder amount in the feeding box can be determined through the detection of the detector, and the feeding amount of the feeder is further controlled; on the other hand, when the problem of powder clamping occurs in the hose or powder consumption occurs in the transportation process of the feeding box, whether the sufficient amount of powder finally remained in the feeding box is detected through the detector, and then the sufficient amount of powder entering the die is ensured.
Further, still include the slide rail of horizontal setting, slide rail one end is located mould import top, and slide rail other end top is fixed with the feeder, and pay-off box sliding connection is on the slide rail.
Has the advantages that: the moving direction of the feeding box is limited through the sliding rail, the feeding box for sliding feeding is added into the die when sliding to the die inlet, and the feeding box slides again to pass through the die inlet, so that the powder at the die inlet can be trowelled. In addition, the feeder directly adds the powder into the feeding box, so that a hose in the prior art is omitted, the powder clamping phenomenon of the hose is avoided, and the feeding amount is easier to control.
And the driving piece is positioned at one end of the feeding box close to the feeder.
Has the advantages that: through the slip of driving piece drive pay-off box, reduce the cost of artifical slip pay-off box, and the driving piece is located the one end that the pay-off box is close to the feeder, then avoids the driving piece to interfere the import of mould and the subsequent suppression work of mould.
Further, the detector is installed at the top end of the feeding box.
Has the advantages that: compare and install the detector in pay-off box lateral wall department, the detector is installed on the pay-off box top, can be more audio-visual the height of many places powder in the detection pay-off box, and spill unable dropping on the detector when can avoiding the powder feeding, improve and detect the precision.
Furthermore, the detector comprises a metal sensor fixed on the feeding box, and a detection probe of the metal sensor is positioned in the feeding box.
Has the advantages that: the height of the powder is detected through the metal sensor, and the height of the powder can be better detected when the detection probe of the metal sensor is positioned in the feeding box.
Furthermore, a detection hole is formed in the upper end of the feeding box, and a detection probe of the metal sensor is inserted into the detection hole.
Has the advantages that: because feed inlet department can pass through a large amount of powders when the feeding, has the powder adhesion in feed inlet department inevitable, for the accuracy of guaranteeing metal sensor detection, metal sensor's test probe and feed inlet do not coincide, improve and detect the precision.
Further, the upper end of the metal sensor is provided with an end cover, and the end cover is fixed with the feeding box.
Has the advantages that: the metal sensor is protected to a certain extent by the end cover.
Further, the device also comprises a controller electrically connected with the detector, and the controller is used for controlling the opening and closing of the feeder.
Has the advantages that: the height of the powder in the feeding box is detected through the detector, and then the opening and closing of the feeder is controlled through the controller, so that the feeding amount of the feeder is conveniently controlled, and the amount of the powder entering the feeding box is guaranteed.
Further, the feed inlet is provided with a plurality of.
Has the advantages that: on one hand, the material can be fed conveniently and simultaneously, and the feeding speed is increased; on the other hand, the powder is fed through a plurality of feeding holes, so that the powder accumulation condition right below the feeding holes can be avoided to a certain extent, and the problem of inaccurate detection of a detector caused by powder accumulation is avoided.
Furthermore, a through hole which can be sealed is arranged on the sliding rail.
Has the advantages that: because the pay-off box need slide on the slide rail, must have the clearance between pay-off box and the slide rail, so the pay-off box is at the slip in-process, and the powder can be followed discharge gate internal discharge card and gone into between pay-off box and the slide rail, and after long-time the use, the powder card causes the wearing and tearing of pay-off box and slide rail between pay-off box and the slide rail easily. In the scheme, the through holes capable of being closed are formed in the slide rail, the through holes can be opened in the gaps of multiple feeding, and through a certain technical means, if brushes or dust collection equipment is used for cleaning the slide rail, powder on the slide rail can be discharged and collected through the through holes.
Drawings
Fig. 1 is an isometric view of embodiment 1 of the present invention;
FIG. 2 is a front cross-sectional view of the feed cassette of FIG. 1;
fig. 3 is an axonometric view of embodiment 2 of the present invention;
figure 4 is a front partial sectional view of a feeder and a feeding box in embodiment 3 of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a cylinder 1, a feeder 2, a feeding box 3, a feeding hole 4, an end cover 5, a sliding rail 6, an output shaft 7, a detection probe 8, a discharging hole 9, a through hole 10, a sliding barrel 11, a material receiving plate 12 and a spring 13.
Example 1
As shown in fig. 1, the powder feeding mechanism includes a sliding rail 6 transversely disposed, the left end of the sliding rail 6 is located above the mold inlet, a feeder 2 is fixed above the right end of the sliding rail 6, and a feeding box 3 is slidably connected to the sliding rail 6, in this embodiment, the feeder 2 is a common powder feeder 2 in the prior art, which is not described herein again. The right-hand driving piece that is fixed with of slide rail 6, driving piece select for use cylinder 1 in this embodiment, and output shaft 7 and the feeding box 3 left end of cylinder 1 are fixed, can drive feeding box 3 through cylinder 1 and slide on slide rail 6.
Referring to fig. 2, the upper end of the feeding box 3 is provided with a plurality of feeding holes 4, the lower end of the feeding box 3 is provided with a discharging hole 9 matched with a die inlet, a detector for detecting the height of powder in the feeding box 3 is fixed at the top end of the feeding box 3, the detector comprises a metal sensor fixed at the upper end of the feeding box 3, and specifically, the metal sensor in the embodiment selects a capacitive proximity switch of DAD 2-AK. The utility model discloses a metal sensor's test probe 8 is located pay-off box 3, because feed inlet 4 department can be through a large amount of powders when the feeding, has the powder adhesion in feed inlet 4 department inevitable, for the accuracy that guarantees metal sensor and detect, metal sensor's test probe 8 can not be directly stretch into pay-off box 3 from feed inlet 4 department, offers the inspection hole in pay-off box 3 upper end promptly, and metal sensor's test probe 8 inserts in the inspection hole. An end cover 5 is arranged at the upper end of the metal sensor, and the end cover 5 is fixed with the feeding box 3.
The metal sensor electricity is connected with the controller, and the controller is used for controlling opening and close of feeder 2, and is specific, can install electrical control cabinet in factory building or workshop, and electrical control cabinet is used for controlling the circuit setting in the whole workshop, and then realizes the control requirement in this application, and this belongs to comparatively ripe technique among the prior art, does not have in this embodiment and gives unnecessary details.
The specific implementation process is as follows:
the cylinder 1 drives the feeding box 3 to slide on the sliding rail 6, when the feeding box 3 slides to the lower part of the feeder 2, the controller controls the feeder 2 to be opened, powder in the feeder 2 enters the feeding box 3 through the feeding hole 4, when the metal sensor detects that the height of the powder in the feeding box 3 reaches the required requirement, a signal is transmitted to the controller, and the controller controls the feeder 2 to be closed. Then cylinder 1 drive pay-off box 3 slides to mould department, and the powder in the feed box leaks to the mould in through discharge gate 9 downwards, and when pay-off box 3 slides and resets, through the mould import, can be trowelled the powder of mould import department, accomplishes a feeding.
Example 2
Referring to fig. 3, in this embodiment, on the basis of embodiment 1, the slide rail 6 is further provided with a plurality of through holes 10 that can be closed, specifically, the lower end of the slide rail 6 is transversely slidably connected with a slide plate, the slide plate can block all the through holes 10, the slide plate can expose or block the through holes 10, an air suction cover is fixed below the slide plate, and the air suction cover is communicated with an air suction pump. Because pay-off box 3 need slide on slide rail 6, must have the clearance between pay-off box 3 and the slide rail 6, pay-off box 3 so at the slip in-process, the powder can be followed discharge gate 9 in and discharged the card and gone into between pay-off box 3 and the slide rail 6, and after long-time the use, the powder card causes the wearing and tearing of pay-off box 3 and slide rail 6 between pay-off box 3 and slide rail 6 easily. In the scheme, the through hole 10 which can be closed is arranged on the slide rail 6, the through hole 10 can be opened in the clearance of multiple times of feeding, and the powder on the slide rail 6 can be absorbed and cleaned under the negative pressure action of the suction pump.
Example 3
As shown in fig. 4, this embodiment is different from embodiment 1 in the arrangement of the feeder 2. The outlet of the feeder 2 is fixed with a sliding barrel 11 capable of sliding up and down, the sliding barrel 11 can be inserted into the feed inlet 4 in a downward sliding manner, the sliding barrel 11 comprises a cylindrical part and a conical part fixed at the lower end of the cylindrical part, the lower end of the conical part is a small-diameter end, the upper end of the cylindrical part is open in an inverted cone shape, namely, a pipeline at the top end of the cylindrical part is in a pointed angle shape, in the process that the sliding barrel 11 slides up and down, the upper end of the sliding barrel 11 can scrape powder adhered to the inner wall of the outlet of the feeder 2, and in addition, the inverted cone has a guiding effect on the powder, so that the powder can be prevented from entering between.
The lower end of the sliding cylinder 11 is transversely connected with a material receiving plate 12 in a sliding mode, the left end of the material receiving plate 12 is fixed with a spring 13, and the left end of the spring 13 is fixed on the device (powder feeding mechanism). When the powder adhered in the sliding barrel 11 falls, the powder can fall on the material receiving plate 12, and the powder is conveniently collected and then centrally treated.
The hose has been saved in owing to this scheme, has just also avoided the card powder phenomenon in the hose, but when the feeding, owing to lack the pipeline, the powder spills feed inlet 4 easily. In this scheme, when pay-off box 3 slided to smooth section of thick bamboo 11 department left, because smooth section of thick bamboo 11 lower part is the toper, pay-off box 3 promotes smooth section of thick bamboo 11 earlier and slides upwards, and simultaneously, pay-off box 3 promotes material receiving plate 12 left for smooth section of thick bamboo 11 lower part is opened. When the feed inlet 4 is located the smooth section of thick bamboo 11 below, smooth section of thick bamboo 11 receives the action of gravity to slide downwards and inserts in the feed inlet 4, and at the gliding in-process about smooth section of thick bamboo 11, smooth section of thick bamboo 11 receives the vibration effect of certain degree, can vibrate the powder of adhesion at the protection smooth section of thick bamboo 11 inner wall down, and the toper portion has certain direction to gather together the effect to the powder, and then the powder spills out when avoiding feeding.
After feeding is finished, the feeding box 3 slides rightwards, the conical part of the sliding barrel 11 slides upwards under the guiding action, after the feeding box 3 completely leaves the lower part of the sliding barrel 11, the sliding barrel 11 slides downwards under the action of gravity to reset, and the material receiving plate 12 also slides rightwards under the resetting action of the spring to reset.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (10)

1. Powder feeding mechanism, including the pay-off box, its characterized in that: the feeding box is provided with a feeding hole at the upper end, a discharging hole matched with the die inlet is arranged at the lower end, and a detector for detecting the height of powder in the feeding box is arranged on the feeding box.
2. The powder feed mechanism of claim 1, wherein: the die comprises a die inlet, a die outlet.
3. The powder feed mechanism of claim 2, wherein: the feeding box is characterized by further comprising a driving piece used for driving the feeding box to slide, and the driving piece is located at one end, close to the feeder, of the feeding box.
4. The powder feed mechanism of claim 1, wherein: the detector is arranged at the top end of the feeding box.
5. The powder feed mechanism of claim 1, wherein: the detector comprises a metal sensor fixed on the feeding box, and a detection probe of the metal sensor is positioned in the feeding box.
6. The powder feed mechanism of claim 5, wherein: the upper end of the feeding box is provided with a detection hole, and a detection probe of the metal sensor is inserted into the detection hole.
7. The powder feed mechanism of claim 5, wherein: an end cover is arranged at the upper end of the metal sensor and is fixed with the feeding box.
8. The powder feed mechanism of claim 1, wherein: the controller is electrically connected with the detector and is used for controlling the opening and closing of the feeder.
9. The powder feed mechanism of claim 2, wherein: the feed inlet is equipped with a plurality ofly.
10. The powder feed mechanism of claim 2, wherein: the slide rail is provided with a through hole which can be sealed.
CN201921311839.1U 2019-08-13 2019-08-13 Powder feeding mechanism Active CN210548081U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921311839.1U CN210548081U (en) 2019-08-13 2019-08-13 Powder feeding mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921311839.1U CN210548081U (en) 2019-08-13 2019-08-13 Powder feeding mechanism

Publications (1)

Publication Number Publication Date
CN210548081U true CN210548081U (en) 2020-05-19

Family

ID=70670767

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921311839.1U Active CN210548081U (en) 2019-08-13 2019-08-13 Powder feeding mechanism

Country Status (1)

Country Link
CN (1) CN210548081U (en)

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