CN-224224612-U - Powder pressing assembly and pressing device

CN224224612UCN 224224612 UCN224224612 UCN 224224612UCN-224224612-U

Abstract

The utility model discloses a powder pressing assembly, a pressing device and a pressing method, wherein the powder pressing assembly comprises a female die and a pressing piece, the female die is provided with a through inner channel, and the abutting end of the inner channel can be attached to the inner bottom surface of the boat to form a concave cavity for containing powder when the female die stretches into the boat. The powder pressing device comprises a frame, a moving assembly and a powder pressing assembly, wherein the bearing mechanism is provided with a bearing surface, the female die is arranged on the moving assembly through a lifting assembly, the lifting assembly is used for driving the female die to move between a high position and a low position below the high position, and the frame is further provided with a pressing driving piece and a feeding assembly. The utility model has the advantages of difficult cracking and damage of the boat, easy discharging, reduced residue and the like.

Inventors

XUE YONG
LI KAILUN
ZENG XIAN
PAN FEI

Assignees

湖南汇创智造自动化科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250604

Claims (13)

1. The powder pressing assembly is characterized by comprising a bearing mechanism (1) used for bearing a boat and a female die (2) capable of extending into the boat, wherein the female die (2) is provided with a through inner channel (21), two ends of the inner channel (21) are respectively provided with a feeding pressing end and an abutting end, the abutting end can be attached to the inner bottom surface of the boat when the female die (2) extends into the boat so that the inner bottom surface of the boat and the inner channel (21) are enclosed to form a concave cavity for containing powder, and the powder pressing assembly further comprises a pressing piece (3) used for extending into the inner channel (21) from the feeding pressing end to press the powder in the concave cavity.
2. The powder compacting assembly according to claim 1, further comprising a loading mechanism for loading powder into the cavity from a feed compacting end of the internal channel (21), a die driving mechanism for driving the die (2) into and out of a boat, and a compacting driving mechanism for driving the compacting member (3) into the internal channel (21) to compact the powder.
3. The powder pressing device is characterized by comprising a frame (100), wherein a moving assembly (4) and the powder pressing assembly as claimed in claim 1 are installed on the frame (100), a bearing surface (11) for bearing a boat to move between a preset loading station and a pressing station is arranged on the bearing mechanism (1), a female die (2) is installed on the moving assembly (4) through a lifting assembly (5) and can be driven by the moving assembly (4) to move between the loading station and the pressing station, the lifting assembly (5) is used for driving the female die (2) to move between a high position and a low position below the high position, a space for feeding and discharging a boat is reserved between the abutting end of the female die (2) and the bearing mechanism (1) when the female die (2) is in the high position, the abutting end of the female die (2) can be attached to the inner bottom surface of the boat on the bearing mechanism (1), a pressing piece (3) is arranged on the pressing station, and the frame (100) is further provided with a pressing piece (3) for driving the pressing piece (6) to move between the loading station and the pressing piece (6).
4. The powder pressing device according to claim 3, wherein the feeding assembly (6) comprises a discharging pipe (61) arranged at the charging station and a lifting assembly (62), the discharging pipe (61) is fixedly arranged above the female die (2), the female die (2) is positioned at the charging station and is communicated with the feeding and pressing end of the female die (2) when the female die (2) is positioned at the high position, and the lifting assembly (62) is used for lifting the boat on the bearing surface (11) and positioned at the charging station to move upwards so that the female die (2) at the high position stretches into the boat until the abutting end of the internal channel (21) abuts against the inner bottom surface of the boat.
5. The powder pressing device according to claim 4, wherein the lifting assembly (62) comprises a lifting driving piece (622) and a plurality of lifting rods (621), the lifting driving piece (622) is connected with the lifting rods (621) and can drive the lifting rods (621) to move up and down synchronously so as to lift a boat on the bearing surface (11) at the loading station and place the boat on the bearing surface (11), a sealing ring is arranged at the feeding and pressing end of the blanking pipe (61) or the female die (2), and the sealing ring seals a gap between the blanking pipe (61) and the feeding and pressing end of the female die (2) when the feeding and pressing end of the blanking pipe (61) and the female die (2) are communicated.
6. The powder pressing device according to claim 3, wherein the frame (100) is provided with a closed cabin, the powder pressing assembly is positioned in the closed cabin, the closed cabin is provided with a boat inlet and a boat outlet, and the boat inlet and the boat outlet are both provided with an opening and closing gate (200).
7. The powder pressing device according to claim 6, wherein the moving assembly (4) comprises a translation seat (41) and a translation driving piece (42), the translation seat (41) is arranged in the closed cabin in a mode of horizontally reciprocating movement between the charging station and the pressing station through a translation guide mechanism (43), the translation driving piece (42) is fixedly arranged outside the closed cabin, and the driving end of the translation driving piece (42) extends into the closed cabin to be connected with the translation seat (41) and drives the translation seat (41) to horizontally reciprocate.
8. The powder pressing device according to claim 7, wherein the lifting assembly (5) comprises a lifting seat (51), a first lifting driving member (52) and a propping mechanism, the lifting seat (51) is mounted on the translation seat (41) in a manner of being capable of vertically reciprocating between a high position and a low position through a lifting guide mechanism (53), the female die (2) is mounted on the lifting seat (51), the first lifting driving member (52) is fixedly mounted outside the closed cabin, the driving end of the first lifting driving member (52) is connected with the lifting seat (51) through a detachable connecting mechanism and can drive the lifting seat (51) located at the loading station to vertically reciprocate, and the propping mechanism is used for supporting the lifting seat (51) located at the low position to move from the loading station to the pressing station, lifting seat (51) located at the pressing station to be lifted from the low position to the high position and supporting the lifting seat (51) located at the high position to move from the pressing station to the loading station.
9. The powder pressing device according to claim 8, wherein the jacking mechanism comprises a second lifting driving member (54), two first jacking rods (55) and two second jacking rods (56), the second lifting driving member (54) is fixedly arranged outside the closed cabin, the two first jacking rods (55) and the two second jacking rods (56) are connected with the driving end of the second lifting driving member (54) and driven by the second lifting driving member (54) to synchronously lift, the two first jacking rods (55) are arranged at positions capable of supporting the lifting seat (51) to move between the charging station and the pressing station, and the two second jacking rods (56) are arranged at positions capable of only supporting the lifting seat (51) located at the pressing station.
10. The powder pressing device according to claim 8, wherein the detachable connection mechanism comprises a clamping groove (511) arranged on the lifting seat (51) and a clamping connector (57) connected with the first lifting driving piece (52), the clamping connector (57) is separated from the clamping groove (511) when the lifting seat (51) moves from the charging station to the pressing station, the clamping connector (57) is clamped into the clamping groove (511) when the lifting seat (51) moves from the pressing station to the charging station, the clamping connector (57) is provided with two limiting parts (571), and the two limiting parts (571) are respectively positioned on the upper side and the lower side of the lifting seat (51) when the clamping connector (57) is clamped into the clamping groove (511) so that the clamping connector (57) can drive the lifting seat (51) to move up and down.
11. The powder material pressing device as claimed in claim 6, wherein the powder material pressing device further comprises a boat feeding assembly (300) for feeding the boat from the boat feeding port to the bearing surface (11) at the loading station and a boat discharging assembly (400) for discharging the boat from the boat discharging port on the bearing surface (11) at the pressing station, the boat feeding assembly (300) comprises a boat feeding pushing member (301) and a boat feeding driving member (302), the boat feeding driving member (302) is connected with the boat feeding pushing member (301) and drives the boat feeding pushing member (301) to reciprocate linearly, the boat discharging assembly (400) comprises a boat discharging pushing member (401) and a boat discharging driving member (402), and the boat discharging driving member (402) is connected with the boat discharging pushing member (401) and drives the boat discharging pushing member (401) to reciprocate linearly.
12. The powder pressing device according to any one of claims 3 to 11, wherein the frame (100) is further provided with a dustproof assembly (8), the dustproof assembly (8) comprises a dustproof ring (81) and a dustproof driving piece (82), the dustproof driving piece (82) is connected with the dustproof ring (81) and can drive the dustproof ring (81) to move up and down, the dustproof ring (81) can be attached to the abutting end of the female die (2) located at the pressing station by driving the dustproof ring (81) to move up and down, and flexible bristles are arranged on the annular inner side surface of the dustproof ring (81).
13. The powder pressing device according to any one of claims 3 to 11, wherein a cleaning assembly (9) for cleaning dust on the bearing surface (11) at the loading station is further arranged on the frame (100), and the cleaning assembly (9) comprises a brush (91) attached to the bearing surface (11) and a cleaning driving piece (92) connected with the brush (91) and driving the brush (91) to reciprocate in a linear manner.

Description

Powder pressing assembly and pressing device Technical Field The utility model relates to the technical field of powder material manufacturing equipment, in particular to a powder material pressing assembly and a powder material pressing device. Background In the production and manufacturing process of materials such as cemented carbide materials, the prepared raw materials are usually required to be put into a boat, placed into processing equipment for carbonization and other treatments, for example, tungsten carbide powder which is a main raw material for producing cemented carbide is generally prepared by adopting metal tungsten powder and carbon black as raw materials according to a certain proportion to prepare a mixture, the mixture is put into the boat, placed into equipment such as a carbonization furnace and carbonized at a certain temperature, and then ball-milled and sieved to obtain tungsten carbide powder. After the powder is loaded into the boat, the powder in the boat is usually extruded and compacted before carbonization and other treatments, so as to meet the production process requirements. In the prior art, powder is directly loaded into a boat, a pressing mechanism is adopted to drive a pressing piece to extend into the boat, and the powder in the boat is directly extruded, so that the problems that on one hand, as the peripheral side walls of the boat are not supported, the situation of breakage and damage easily occurs during extrusion, and on the other hand, the extruded and compacted powder is tightly combined with the inner bottom surface and the peripheral inner side surfaces of the boat, adhesion easily occurs after carbonization, and difficult taking out and residual situation are caused. Disclosure of utility model The utility model aims to solve the technical problems of overcoming the defects in the prior art and providing a powder pressing component and a pressing device which are not easy to crack and damage, easy to discharge and capable of reducing residues. In order to solve the technical problems, the utility model adopts the following technical scheme: The utility model provides a powder swager subassembly, is including being used for bearing the weight of the mechanism of boat and can stretching into the die in the boat, the die has the internal passageway that link up, the both ends of internal passageway are feeding swager end and butt end respectively, the butt end can laminate the interior bottom surface of boat so that the interior bottom surface of boat encloses with the internal passageway and closes the cavity that holds the powder when the die stretches into in the boat, powder swager subassembly still includes and is used for following the feeding swager end stretches into internal passageway is right the extruded swager is carried out to the powder in the cavity. The powder pressing assembly further comprises a loading mechanism for loading powder into the concave cavity from a feeding pressing end of the internal channel, a die driving mechanism for driving the concave die to extend into and withdraw from the boat, and a pressing driving mechanism for driving the pressing piece to extend into the internal channel to press the powder. The utility model also provides a powder pressing device, which comprises a frame, wherein a moving assembly and a powder pressing assembly are arranged on the frame, the bearing mechanism is provided with a bearing surface for bearing the movement of a boat between a preset loading station and a pressing station, the female die is arranged on the moving assembly through a lifting assembly and can be driven by the moving assembly to move between the loading station and the pressing station, the lifting assembly is used for driving the female die to move between a high position and a low position below the high position, a space for the boat to enter and exit is reserved between the abutting end of the female die and the bearing mechanism when the female die is in the high position, the abutting end of the female die can be attached to the inner bottom surface of the boat on the bearing mechanism when the female die is in the low position, the pressing member is arranged at the pressing station, and the frame is also provided with a pressing driving member for driving the pressing member to move up and down and a feeding assembly for feeding powder to the female die feeding and pressing end of the loading station. The powder pressing device comprises a feeding pipe and a lifting assembly, wherein the feeding pipe is arranged at a loading station and is fixedly arranged above a female die, the female die is positioned at the loading station and is communicated with a feeding and pressing end of the female die when the female die is positioned at a high position, and the lifting assembly is used for lifting a boat which is positioned at the loading station on a bearing surface to move upwards so that the female die at the high pos