CN211965931U - Dust keeper of powder forming briquetting machine - Google Patents
Dust keeper of powder forming briquetting machine Download PDFInfo
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- CN211965931U CN211965931U CN202020478359.0U CN202020478359U CN211965931U CN 211965931 U CN211965931 U CN 211965931U CN 202020478359 U CN202020478359 U CN 202020478359U CN 211965931 U CN211965931 U CN 211965931U
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- dust collecting
- piston cylinder
- collecting bowl
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Abstract
The utility model provides a dustproof device of a powder forming press, which comprises a punch and a dustproof component matched with the punch, wherein the dustproof component comprises a piston cylinder, a piston pushing piece and a dust collecting bowl; the piston is positioned in the piston cylinder, one end of the piston pushing piece extends into the piston cylinder to be connected with the piston, the other end of the piston pushing piece is connected with the dust collecting bowl, and the piston pushing piece is in sliding seal fit with the lower end part of the piston cylinder; the upper part and the lower part of the piston cylinder are provided with air inlets and air outlets; the dust collecting bowl is arranged in a reverse buckling mode, a through hole is formed in the top of the dust collecting bowl, a dust collecting port and a filtering port are formed in the side wall of the dust collecting bowl, and the dust collecting bowl is arranged on the die punch through a sliding seal sleeve of the through hole; the upper part of the punch is connected with a die holder, and the die holder is connected with the upper end of the piston cylinder; when the dust collecting bowl slides up and down along the punch, the piston slides up and down in the piston cylinder. The device can collect the powder that overflows in powder press forming's in-process, prevents that the powder from polluting the air to retrieve the powder.
Description
Technical Field
The utility model relates to a powder forming briquetting machine technical field, concretely relates to dust keeper of powder forming briquetting machine.
Background
With the development of the intelligence and digitization of communication technology and electronic products, the wireless charging technology becomes the trend of the times, and the demand of a magnetic sheet, which is a key element of the wireless charging technology, is rapidly increased. The raw material composition of the wireless charger magnetic sheet comprises main components and trace element additive components, wherein the main components comprise iron, manganese, zinc and the like; the microelement additive comprises nickel, cobalt, tin, vanadium, etc. The preparation process mainly comprises the following steps: mixing raw materials; pre-burning the mixed powder; sanding the pre-sintering powder with water and steel balls; spray drying and granulating; pressing and molding the granulated particles; and (5) sintering. The powder in the cavity of the female die overflows and scatters along with the impact airflow when the die is punched towards the die orifice of the female die in the powder punching process. The overflowing powder is not easy to recover, and the waste of raw materials can be caused; moreover, most of the powder is metal powder, and the powder is dispersed into the air, so that the environmental pollution is caused, and the physical health of operators is damaged.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a dust keeper of powder shaping briquetting machine, it can collect the powder that spills over at powder press forming's in-process, prevents powder contaminated air to retrieve the powder.
In order to achieve the above object, the utility model adopts the following technical scheme:
a dustproof device of a powder forming press comprises a punch and a dustproof assembly matched with the punch, wherein the dustproof assembly comprises a piston cylinder, a piston pushing piece and a dust collecting bowl; the piston is positioned in the piston cylinder, one end of the piston pushing piece extends into the piston cylinder to be connected with the piston, the other end of the piston pushing piece is connected with the dust collecting bowl, and the piston pushing piece is in sliding seal fit with the lower end part of the piston cylinder; the upper part and the lower part of the piston cylinder are provided with air inlets and air outlets; the dust collecting bowl is arranged in a reverse buckling mode, a through hole is formed in the top of the dust collecting bowl, a dust collecting port and a filtering port are formed in the side wall of the dust collecting bowl, and the dust collecting bowl is arranged on the die punch through a sliding seal sleeve of the through hole; the upper part of the punch is connected with a die holder, and the die holder is connected with the upper end of the piston cylinder; when the dust collecting bowl slides up and down along the punch, the piston slides up and down in the piston cylinder.
Further, the piston cylinder is an annular cylinder, and the piston is an annular piston.
Furthermore, a dust suction pipe channel is arranged on the die holder, and a hose penetrates through the dust suction pipe channel to be connected with a dust suction port of the dust collection bowl and an external dust suction device.
Further, the stamping die and the die holder are detachably connected.
Furthermore, the piston cylinder is provided with a limiting mechanism, the limiting mechanism comprises a limiting screw and a limiting nut, the limiting screw and the limiting nut are matched, the limiting screw is screwed on the bottom wall of the piston cylinder, and the limiting nut is in threaded connection with the limiting screw on the outer side of the piston cylinder. The lower edge of the piston is in the same plane with the lower end surface of the punch when the dust collection bowl descends to the bottommost part.
Furthermore, a sealing ring is arranged on the lower edge of the dust collecting bowl.
Furthermore, the piston cylinder, the dust collecting bowl, the die holder and the punch are coaxially arranged.
Further, the diameter of an inner ring of the piston cylinder annular structure is larger than that of the dust collecting bowl.
Compared with the prior art, the beneficial effects of the utility model are that:
the dust-proof device of the powder forming press of the utility model has the advantages that the dust collecting bowl can slide up and down along the punch under the action of the piston cylinder, and when powder is pressed, the dust collecting bowl cover can be buckled on the female die at the periphery of the die orifice to form a closed cavity, so that the powder overflowing from the die orifice can be effectively prevented from scattering; the side wall of the dust collecting bowl is provided with a dust suction port, so that the external dust suction device can suck and recover the powder in the dust collecting bowl. The device simple structure is reasonable, and convenient to use can prevent effectively that the powder from spilling over the polluted environment, damages operating personnel healthy, and recoverable powder that spills over reduces the powder raw materials extravagant simultaneously, practices thrift the cost very much.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the punch of the present invention during downward punching.
Reference numerals:
1: stamping; 2: a die holder; 21: a dust extraction tube channel; 3: a piston cylinder; 31: an air inlet and an air outlet; 32: a limiting mechanism; 4: a piston; 5: a piston pusher; 6: a dust collecting bowl; 61: a dust suction port; 62: a filter port; 63: a seal ring; 7: a hose.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, an embodiment of the present invention provides a dust-proof device for a powder forming press, which includes a die 1 and a dust-proof assembly that are adapted to each other. The dustproof assembly comprises a piston cylinder 3, a piston 4, a piston pushing piece 5 and a dust collecting bowl 6.
Wherein, the piston 4 is positioned in the piston cylinder 3 and is in sliding sealing contact with the inner wall of the piston cylinder 3. One end of the piston pushing piece 5 extends into the piston cylinder 3 from the bottom of the piston cylinder 3 to be connected with the piston 4, and the other end is connected with the outer side arm of the dust collecting bowl 6. The piston pushing piece 5 is in sliding seal fit with the lower end part of the piston cylinder 3. And air inlets and air outlets 31 for connecting the inside and the outside of the piston cylinder 3 are formed in the top and the bottom of the piston cylinder 3 and used for allowing air to enter and exit, so that the piston 4 can slide in the piston cylinder 3.
The dust collecting bowl 6 is of an inverted bowl-shaped structure, a through hole is formed in the center of the top of the dust collecting bowl, the dust collecting bowl 6 is sleeved on the punch 1 through the through hole, and the dust collecting bowl 6 is connected with the punch 1 in a sliding sealing mode. When the dust collecting bowl 6 slides up and down along the punch 1, the piston 4 synchronously slides up and down in the piston cylinder 3 due to the connection of the piston pushing piece 5. The side wall of the dust collecting bowl 6 is provided with a dust suction port 61 and a filter port 62, and the dust suction port 61 is used for being connected with an external dust suction device to suck and remove powder in the dust collecting bowl 6. The filter port 62 is provided with a filter membrane for air circulation to prevent powder from overflowing.
The upper part of the punch 1 is connected with a die holder 2, and the die holder 2 is connected with the upper end part of the piston cylinder 3. When powder is pressed, acting force acts on the die holder 2, and the impact die holder 2, the punch 1 and the piston cylinder 3 move downwards together.
In a preferred embodiment, the piston cylinder 3 is an annular cylinder and the piston 4 is an annular piston. The annular cylinder and the annular piston are arranged coaxially with the punch 1 and the die holder 2. Obviously, the piston cylinder 3 can also be a plurality of single piston cylinders which are uniformly distributed on the circumference outside the stamping die 1, and the pistons of the single piston cylinders are respectively connected with the dust collecting bowl 6 through the piston pushing piece 5.
A dust suction pipe channel 21 is arranged on the die holder 2, and the dust suction pipe channel 21 penetrates through the bottom and the side surface of the die holder 2. The dust suction opening 21 on the side wall of the dust collection bowl 6 is connected with the hose 7, and the hose 7 passes through the dust suction pipe channel 21 on the die holder 2 to be connected with an external dust suction device. The dust suction device sucks the powder in the dust collection bowl 6 through the hose 7.
In a preferred embodiment, the punch 1 and the die holder 2 are detachably connected. The stamping die 1 can be replaced according to pressing requirements or the damage of the stamping die 1 and the like, so that the use and the operation are more convenient, and the practicability is stronger.
Furthermore, a limiting mechanism 32 is arranged on the piston cylinder 3. The limiting mechanism 32 comprises a limiting screw and a limiting nut which are matched with each other. The bottom of piston cylinder 3 is equipped with the screw, and stop screw and screw looks adaptation twist on the diapire of piston cylinder 3, and one end stretches into in the piston cylinder 3 one end and is located the piston cylinder 3 outside. The limiting nut is in threaded connection with the limiting screw rod on the outer side of the piston cylinder 3. The limiting screw is used for limiting the downward travel of the piston 4, so that the lower edge of the dust collecting bowl 7 and the lower end surface of the punch 1 are in the same plane when the dust collecting bowl descends to the bottommost part.
The dust collecting bowl 3, the piston cylinder 3, the die holder 2 and the punch 1 are coaxially arranged, and the operation is guaranteed to be stable and accurate. Wherein the diameter of the inner ring of the annular structure of the piston cylinder 3 is larger than the diameter of the outer side of the dust collecting bowl 6, and when the dust collecting bowl 6 slides upwards along the punch 1, the dust collecting bowl 6 can extend into the annular cavity of the annular piston cylinder.
Further preferably, a sealing ring 63 is arranged on the lower edge of the dust collecting bowl 6, the sealing ring 63 is made of rubber materials, and when the dust collecting bowl 6 is pressed, the sealing ring 63 can enable the dust collecting bowl 6 to be in close contact with the upper surface of the female die, so that dust is prevented from overflowing.
During operation, firstly, a punch 1 is installed, a limiting mechanism is adjusted, so that the lower end faces of a dust collecting bowl 6 and the punch 1 are on the same plane, a punching acting force acts on a die holder 2 and the punch 1 during punching, the die holder 2, the punch 1 and a piston cylinder 3 move downwards, and the lower edge of the dust collecting bowl 6 is in contact with a female die to form a dust collecting chamber around a die orifice; the punch 1 continues to punch powder downwards, the dust collecting bowl 6 is always in close contact with the upper surface of the female die, the opposite dust collecting bowl 6 slides along the punch 1, and the piston 4 is pushed by the piston pushing piece 5 to move upwards in the piston cylinder 3; in the process that the piston 4 moves upwards and the stamping die 1 stamps powder, an external dust removal device operates to suck the powder in the dust collection bowl 6 through the hose 7; when the stamping die 1 is stamped to the lowest end and then runs upwards, the piston 4 runs downwards, and the external dust removal device stops running; finally, the punch 1 exits the die cavity of the female die to complete the punching, and the dust collecting bowl 6 leaves the female die.
In the foregoing, only certain exemplary embodiments have been described briefly. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings, or are orientations and positional relationships conventionally understood by those skilled in the art, which are merely for convenience of description and simplicity of description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Claims (8)
1. The dustproof device of the powder forming press comprises a punch (1) and is characterized by further comprising a dustproof assembly matched with the punch (1), wherein the dustproof assembly comprises a piston cylinder (3), a piston (4), a piston pushing piece (5) and a dust collecting bowl (6); the piston (4) is positioned in the piston cylinder (3), one end of the piston pushing piece (5) extends into the piston cylinder (3) to be connected with the piston (4), the other end of the piston pushing piece is connected with the dust collecting bowl (6), and the piston pushing piece (5) is in sliding seal fit with the lower end part of the piston cylinder (3); the upper part and the lower part of the piston cylinder (3) are provided with air inlet and outlet ports (31); the dust collecting bowl (6) is arranged in a reverse buckling mode, a through hole is formed in the top of the dust collecting bowl, a dust suction port (61) and a filtering port (62) are formed in the side wall of the dust collecting bowl, and the dust collecting bowl (6) is sleeved on the punch (1) in a sliding sealing mode through the through hole; the upper part of the punch (1) is connected with a die holder (2), and the die holder (2) is connected with the upper end of the piston cylinder (3); when the dust collecting bowl (6) slides up and down along the punch (1), the piston (4) slides up and down in the piston cylinder (3).
2. Dust protection for a powder compaction press according to claim 1 wherein the piston cylinder (3) is an annular cylinder and the piston (4) is an annular piston.
3. The dust-proof device of powder forming press according to claim 2, characterized in that the die holder (2) is provided with a dust suction pipe channel (21), and a hose (7) is arranged in the dust suction pipe channel (21) in a penetrating way to connect the dust suction opening (61) of the dust collecting bowl (6) and an external dust suction device.
4. Dust-proof arrangement for a powder compacting press according to claim 1 or 3, characterised in that the die (1) and the die holder (2) are detachably connected.
5. The dust keeper of claim 1 or 3, characterized in that the piston cylinder (3) is provided with a limiting mechanism (32), the limiting mechanism (32) comprises a limiting screw and a limiting nut which are matched with each other, the limiting screw is screwed on the bottom wall of the piston cylinder (3), and the limiting nut is in threaded connection with the limiting screw on the outer side of the piston cylinder (3).
6. Dust-proof arrangement for a powder compacting press according to claim 2, characterised in that the dust collecting bowl (6) is provided with a sealing ring (63) at its lower edge.
7. Dust-proof arrangement for a powder compacting press according to claim 2, characterised in that the piston cylinder (3), the dust collecting bowl (6), the die holder (2) and the punch (1) are arranged coaxially.
8. Dust protection for a powder compaction press according to claim 7, wherein the diameter of the inner ring of the ring-shaped structure of the piston cylinder (3) is larger than the diameter of the dust collecting bowl (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020478359.0U CN211965931U (en) | 2020-04-03 | 2020-04-03 | Dust keeper of powder forming briquetting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020478359.0U CN211965931U (en) | 2020-04-03 | 2020-04-03 | Dust keeper of powder forming briquetting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211965931U true CN211965931U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020478359.0U Active CN211965931U (en) | 2020-04-03 | 2020-04-03 | Dust keeper of powder forming briquetting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211965931U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309597A (en) * | 2021-11-20 | 2022-04-12 | 蓝山县金山川粉末冶金有限公司 | Powder blocking mechanism in powder metallurgy punch forming process |
| CN116550977A (en) * | 2023-04-24 | 2023-08-08 | 扬州意得机械有限公司 | Powder metallurgy rotary forming die for belt pulley of engine |
-
2020
- 2020-04-03 CN CN202020478359.0U patent/CN211965931U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309597A (en) * | 2021-11-20 | 2022-04-12 | 蓝山县金山川粉末冶金有限公司 | Powder blocking mechanism in powder metallurgy punch forming process |
| CN116550977A (en) * | 2023-04-24 | 2023-08-08 | 扬州意得机械有限公司 | Powder metallurgy rotary forming die for belt pulley of engine |
| CN116550977B (en) * | 2023-04-24 | 2023-10-13 | 扬州意得机械有限公司 | Powder metallurgy rotary forming die for belt pulley of engine |
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