CN220216732U - Automatic press adds powder material feeding unit - Google Patents

Abstract

An automatic press powder feeding device comprises a linear module; the powder adding mechanism is used for receiving powder from a powder weighing device of the press and conveying the powder to a forming die of the press; the feeding mechanism is used for taking down the molded product from the molding die of the press and conveying the molded product to the blanking device of the press; the connecting frame, the powder adding mechanism and the feeding mechanism are connected to the connecting frame, the connecting frame at least has a first position state and a second position state, and the connecting frame can be switched back and forth between the two states under the drive of the sliding block. According to the utility model, the powder adding mechanism and the feeding mechanism are connected with the linear module in a transmission way through the same connecting frame, so that the two mechanisms can synchronously move along with the connecting frame, and the powder adding process and the feeding process can synchronously operate through adjusting the interval positions of the two mechanisms on the connecting frame, so that the integral processing stroke of the press is effectively shortened, and the production efficiency is improved.

Description

Automatic press adds powder material feeding unit

Technical Field

The utility model relates to the technical field of metallurgical powder forming presses, in particular to a powder feeding device of an automatic press.

Background

The magnetic field press is a press which is reformed based on an original large-scale forming press (a press of an electromagnet at the upper and lower positions) in the magnetic industry, and the existing magnetic field press mainly comprises a sealed frame, a powder weighing device, a powder adding device, a forming device, a feeding device and a discharging device, wherein the powder weighing device is arranged in the frame, neodymium iron boron powder firstly enters the powder weighing device from a charging barrel in the reproduction process, quantitative magnetic powder is weighed by the powder weighing device, then is sent into a forming die of the forming device through the powder adding device, and finally the magnet formed in the forming device is taken out from the forming die by the feeding device and is sent to the discharging device to finish discharging.

The Chinese patent with the patent number ZL 201820332564.9 discloses: the utility model provides a full servo type automatic press, which comprises a frame, the storage bucket has been installed to sealed ground in the frame, call whitewashed device, material feeding unit and forming device, the storage bucket is located and calls whitewashed device top, forming device includes forming die, the guide pillar, the roof, the bottom plate, the upper punch, undershoot and magnetic field coil, roof and bottom plate fixed mounting are in the guide pillar upper and lower both ends, the mould passes through the die carrier and installs on the bottom plate, upper punch and undershoot are located forming die's upper and lower both ends respectively, magnetic field coil is located forming die's side, the upper punch includes the upper cylinder, the upper mould, upper cylinder fixed mounting is on the roof, the output of upper cylinder is connected in the upper mould, the upper mould is located forming die top, the undershoot includes the lower cylinder, lower mould, lower cylinder fixed mounting is on the bottom plate, the output of lower cylinder is connected in the lower mould, the lower mould is located forming die below. The utility model replaces the hydraulic cylinder by the electric cylinder, has good use effect, high control precision, good pressing effect, difficult defect generation and low rejection rate.

As described in the above patent, the powder adding device and the feeding device are indispensable components in the magnetic field press, and the original press is provided with the powder adding device and the feeding device independently, so that a large amount of space inside the press is occupied, the volume of the press is larger, and a structure for combining the powder adding device and the feeding device together is present on the market to solve the problem, so that the space inside the press can be effectively saved.

The Chinese patent with the patent number ZL201820333078.9 discloses: the utility model provides a title powder buffer gear of full-automatic radiation ring floating magnetic field shaping press, including advancing powder pipe, unloading pipe, buffer tube, shake the magazine, fall powder box and discharging pipe, advance powder pipe, unloading pipe, buffer tube connect gradually, advance powder pipe and connect in the storage bucket, the buffer tube is the slope setting, and the exit end of buffer tube is located the top of shake the magazine, shake the magazine lower extreme and be connected with the oscillator, shake magazine one end and be equipped with the discharge gate, fall the below that the powder box is located shake the magazine discharge gate, fall the powder box rotation and set up in the frame, fall powder box one end bottom and be equipped with the powder cylinder, fall the powder box other end and be equipped with the opening, the unloading pipe is located the below of falling powder box open end, fall powder box bottom still is equipped with weighing sensor. According to the utility model, the buffer tube which is obliquely arranged is additionally arranged between the charging bucket and the vibration material box, so that the phenomenon that neodymium iron boron powder is accumulated at the outlet of the buffer tube can be effectively avoided, and the neodymium iron boron powder can smoothly fall into the vibration material box.

The structure described in the above patent solves the problem that the powder adding device and the feeding device inside the magnetic field press occupy a larger space separately, but still has another problem that the device for adding powder and feeding inside the press is not solved, and therefore, in the existing magnetic field press processing stroke, firstly, the feeding device takes the formed magnet in the forming die away and feeds the formed magnet to the discharging device, and then the powder adding device moves to the forming die to supplement the magnetic powder again, so that the two strokes of powder adding and feeding are separated and independent, the two strokes are independent, the lengthening of the whole stroke of the press processing is caused, the production efficiency is low, and the device for adding powder and feeding inside the press is needed to be developed for aiming at the problem, and the two strokes of powder adding and feeding can be synchronously performed to shorten the whole processing stroke of the press.

Disclosure of Invention

The utility model provides a powder feeding device of an automatic press, which aims to overcome the defect that in the prior art, the whole processing stroke is long due to the fact that two strokes of powder feeding and feeding are separated.

The technical scheme for solving the technical problems is as follows: an automatic press powder feeding device, comprising:

the linear module comprises a guide rail and a sliding block which can slide along the guide rail under the drive of a motor;

the powder adding mechanism is connected to the sliding block and can move along with the sliding block, so that powder is received from a powder weighing device of the press and conveyed to a forming die of the press;

the feeding mechanism is also connected to the sliding block and can move along with the sliding block, so that a formed product is taken down from a forming die of the press and conveyed to a blanking device of the press;

further comprises:

the connecting frame is connected to the sliding block, the powder adding mechanism and the feeding mechanism are connected to the connecting frame, the connecting frame at least has a first position state and a second position state, and the connecting frame can be switched back and forth between the two states under the driving of the sliding block;

when the connecting frame is in a first position state, the powder adding mechanism positioned on the connecting frame is correspondingly positioned below the powder weighing device of the press so as to receive falling powder, and the feeding mechanism positioned on the connecting frame is correspondingly positioned above the forming die of the press so as to take out formed products;

when the connecting frame is in the second position state, the powder adding mechanism on the connecting frame is correspondingly arranged above the forming die of the press so that powder falls into the forming die, and the feeding mechanism on the connecting frame is correspondingly arranged above the blanking device of the press so that a formed product is placed into the blanking device.

The powder blocking structure between the powder adding mechanism and the press forming die is further characterized in that the powder adding mechanism comprises a powder adding hopper, a die pressing plate is further connected to the connecting frame, the die pressing plate is located below the powder adding hopper and is further provided with a powder blocking channel, when the connecting frame is in a second position state, the die pressing plate is located between the powder adding hopper and the press forming die, and the powder blocking channel is used for communicating the interior of the powder adding hopper with the interior of the forming die.

The setting mode of the die pressing plate is further that a lifting cylinder is connected to the connecting frame, the die pressing plate is connected to a piston rod of the lifting cylinder, and lifting can be achieved under the driving of the lifting cylinder.

In the use process, when the connecting frame is in a first position state or in a state switching process, the lifting cylinder drives the die pressing plate to lift to be higher than the upper surface of the forming die, so that the die pressing plate is ensured not to scratch the forming die of the press in the moving process of following the connecting frame; when the connecting frame is in the second position state, the lifting cylinder drives the die pressing plate to descend so that the die pressing plate is abutted against the upper surface of the forming die, and therefore the powder blocking channel is communicated between the powder adding hopper and the forming die of the press, and powder is ensured not to diffuse outwards in the process of falling from the powder adding hopper to the forming die.

The concrete structure of the powder adding mechanism is further that the powder adding hopper comprises a powder adding channel which extends along the length direction of the connecting frame, a powder inlet end and a powder outlet end which are positioned at two ends of the powder adding channel, a vibrating frame used for installing a vibrating machine is further arranged below the powder adding hopper, the lower end of the vibrating frame is connected with the connecting frame, and the upper end of the vibrating frame is connected with the lower side of the powder inlet end of the powder adding hopper.

In the use process, the vibrating machine drives the vibrating frame and the powder adding hopper connected to the vibrating frame to vibrate along with the vibrating frame, so that powder at the powder inlet end can move towards the powder outlet end along the powder adding channel.

The connecting structure of the vibrating frame is characterized in that the lower side of the powder inlet end of the powder adding hopper is further connected with a transmission bottom plate, the transmission bottom plate is connected with the vibrating frame through a transmission column, a plurality of reeds are further connected between the transmission bottom plate and the vibrating frame, and the vibrating frame is connected to the connecting frame through a plurality of rubber columns.

The structure of the powder adding hopper discharge end is further characterized in that the powder adding mechanism further comprises a powder feeding pipe connected to the lower part of the powder adding hopper feed end, the powder feeding pipe is communicated with the powder adding hopper, and the powder feeding pipe is in a funnel shape with the diameter gradually reduced downwards.

The feeding mechanism comprises a connecting frame, a feeding plate and a feeding plate, wherein the feeding plate is connected with the connecting frame through a connecting plate, and the feeding plate is connected with the feeding plate.

The air injection structure in the device is further characterized in that an air injection head is further connected to the connecting frame and located below the powder adding mechanism.

In the use process, when the connecting frame is in a second position state, before powder in the powder adding mechanism falls into a forming die of the press, the air blowing head blows and cleans the inside of the forming die.

The powder adding and feeding modes of the utility model are as follows: firstly, a linear module drives a connecting frame to move to a first position state, at the moment, the feeding end of a powder adding hopper is positioned under the whole weighing device of a press, the weighed quantitative powder in the weighing device falls into the feeding end of the powder adding hopper, at the moment, a pneumatic finger is positioned over a forming die of the press, and a piston rod of the pneumatic finger retracts to drive clamping plates at two sides to fold the formed material on the forming die of the press; then the linear module drives the movable frame to move and switch to a second position state, at the moment, the discharging end of the powder adding hopper is positioned right above the forming die of the press, the lifting cylinder drives the die pressing plate to descend and butt against the upper side of the forming die of the press, meanwhile, the vibrator is started to drive the powder adding hopper to vibrate so that powder moves from the feeding end to the discharging end and finally falls into the forming die of the press after passing through the powder adding pipe and the powder blocking channel, at the moment, the pneumatic finger clamps the formed material and is positioned right above the blanking device of the press, then the piston rod of the pneumatic finger extends out to separate the clamping plates at two sides, and the formed material is loosened to fall into the blanking device to finish blanking; the device completes a stroke, and finally the linear module drives the connecting frame to return to the first position state to repeat the stroke.

The utility model has the beneficial effects that:

1. the powder adding mechanism and the feeding mechanism are connected with the linear module in a transmission way through the same connecting frame, so that the two mechanisms can synchronously move along with the connecting frame, and the powder adding process and the feeding process can synchronously operate through adjusting the interval positions of the two mechanisms on the connecting frame, so that the whole processing stroke of the press is effectively shortened, and the production efficiency is improved;

2. the die pressing plate is arranged on the connecting frame in a lifting manner, and is pressed down in the process of adding powder in the forming die by the powder adding mechanism, so that a powder blocking channel on the die pressing plate can be communicated between the forming die and the powder adding mechanism, the powder is ensured not to diffuse through a gap between the forming die and the powder adding mechanism in the powder adding process, and the cleaning times of the inside of the press due to dust accumulation can be greatly reduced;

3. the powder adding process of the powder adding mechanism is realized by adopting a powder adding hopper with a powder adding channel and a vibrator, the powder adding process of the powder adding mechanism can be matched, powder is received at a powder weighing device, and the powder is rapidly and accurately fed into a forming die at the forming die;

4. the jet head is arranged to blow out the powder remained in the last processing stroke to the inside of the forming die before adding the powder to the forming die, so that the dust weight in the current processing stroke is prevented from exceeding the ration.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an exploded view of the present utility model.

FIG. 3 is a schematic view of the structure of the connector and the mechanisms thereon according to the present utility model.

FIG. 4 is a schematic diagram of the fit between the powder hopper and the die platen of the present utility model.

FIG. 5 is a schematic diagram of the connection between the hopper and the vibratory frame of the present utility model.

Fig. 6 is a schematic structural view of the feeding mechanism of the present utility model.

Fig. 7 is a schematic view of the present utility model in a first position mated with the rest of the apparatus in the press.

Fig. 8 is a schematic view of the present utility model in a second position mated with the rest of the apparatus in the press.

Reference numerals in the drawings: 1. a linear module; 2. a guide rail; 3. a motor; 4. a slide block; 5. a powder adding mechanism; 6. a feeding mechanism; 7. a connecting frame; 8. adding a powder hopper; 9. a mold pressing plate; 10. a powder blocking channel; 11. a lifting cylinder; 12. a powder adding channel; 13. a powder inlet end; 14. a powder outlet end; 15. a vibrating frame; 16. a transmission bottom plate; 17. a drive column; 18. a reed; 19. a rubber column; 20. a powder feeding pipe; 21. pneumatic fingers; 22. a connecting plate; 23. a clamping plate; 24. a jet head; 40. a powder weighing device; 50. a forming die; 60. and a blanking device.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that, although the terms upper, middle, lower, top, end, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding and are not used to define any directional or sequential limitation.

Examples

Referring to fig. 1 to 8, an automatic press powder feeding device comprises a linear module 1, a powder feeding mechanism 5 and a feeding mechanism 6; the linear module 1 comprises a guide rail 2 and a sliding block 4 capable of sliding along the guide rail 2 under the drive of a motor 3; the powder adding mechanism 5 is connected to the sliding block 4 and can move along with the sliding block 4, so that powder is received from a powder weighing device 40 of the press and conveyed to a forming die 50 of the press; the feeding mechanism 6 is also connected to the sliding block 4 and can move along with the sliding block 4, so that the formed product is taken down from the forming die 50 of the press and conveyed to the blanking device 60 of the press; the powder feeding device further comprises a connecting frame 7 which is connected to the sliding block 4, the powder feeding mechanism 5 and the feeding mechanism 6 are connected to the connecting frame 7, the connecting frame 7 at least has a first position state and a second position state, and the connecting frame 7 can be reciprocally switched between the two states under the driving of the sliding block 4; when the connecting frame 7 is in the first position state, the powder adding mechanism 5 positioned on the connecting frame corresponds to the lower part of the powder weighing device 40 of the press so as to receive falling powder, and the feeding mechanism 6 positioned on the connecting frame 7 corresponds to the upper part of the forming die 50 of the press so as to take out formed products; when the connecting frame 7 is in the second position state, the powder adding mechanism 5 positioned on the connecting frame corresponds to the position above the forming die 50 of the press so as to enable powder to fall into the forming die 50, and the feeding mechanism 6 positioned on the connecting frame 7 corresponds to the position above the blanking device 60 of the press so as to enable formed products to be placed into the blanking device 60.

In this embodiment, the powder adding mechanism 5 includes a powder adding hopper 8, the connecting frame 7 is further connected with a mold pressing plate 9, the mold pressing plate 9 is located below the powder adding hopper 8 and is further provided with a powder blocking channel 10, when the connecting frame 7 is in the second position state, the mold pressing plate 9 is located between the powder adding hopper 8 and the forming mold 50 of the press, and the powder blocking channel 10 communicates the interior of the powder adding hopper 8 with the interior of the forming mold 50.

In this embodiment, the connecting frame 7 is connected with a lifting cylinder 11, and the mold pressing plate 9 is connected to a piston rod of the lifting cylinder 11 and can be driven by the lifting cylinder 11 to lift.

In the use process of the embodiment, when the connecting frame 7 is in the first position state or in the state switching process, the lifting cylinder 11 drives the die pressing plate 9 to lift to be higher than the upper surface of the forming die 50, so as to ensure that the die pressing plate 9 cannot scratch the forming die 50 of the press in the process of following the movement of the connecting frame 7; when the connecting frame 7 is in the second position state, the lifting cylinder 11 drives the die pressing plate 9 to descend so as to be abutted against the upper surface of the forming die 50, so that the powder blocking channel 10 is communicated between the powder adding hopper 8 and the forming die 50 of the press, and the powder is ensured not to diffuse outwards in the process of falling into the forming die 50 from the powder adding hopper 8.

In this embodiment, the powder adding hopper 8 includes a section of powder adding channel 12 extending along the length direction of the connecting frame 7, a powder inlet end 13 and a powder outlet end 14 at two ends of the powder adding channel 12, a vibration frame 15 for mounting a vibration machine is further disposed below the powder adding hopper 8, the lower end of the vibration frame 15 is connected with the connecting frame 7, and the upper end of the vibration frame is connected to the lower side of the powder inlet end 13 of the powder adding hopper 8.

In the use process of the embodiment, the vibrator drives the vibration frame 15 and the powder adding hopper 8 connected with the vibration frame to vibrate, so that the powder at the powder inlet end 13 can move along the powder adding channel 12 towards the powder outlet end 14.

In this embodiment, a transmission bottom plate 16 is further connected to the lower side of the powder inlet end 13 of the powder hopper 8, the transmission bottom plate 16 is connected to the vibration frame 15 through a transmission column 17, a plurality of reeds 18 are further connected between the transmission bottom plate 16 and the vibration frame 15, and the vibration frame 15 is connected to the connecting frame 7 through a plurality of rubber columns 19.

In this embodiment, the powder feeding mechanism 5 further includes a powder feeding pipe 20 connected below the feeding end of the powder feeding hopper 8, the powder feeding pipe 20 is communicated with the powder feeding hopper 8, and the powder feeding pipe 20 is further in a funnel shape with a diameter gradually reduced downward.

In this embodiment, the feeding mechanism 6 includes a pneumatic finger 21, the pneumatic finger 21 is connected to the connecting frame 7 through a connecting plate 22, and two ends of the pneumatic finger 21 are further connected with a clamping plate 23 that can be folded or separated along with the pneumatic finger 21.

In this embodiment, a jet head 24 is further connected to the connecting frame 7 below the powder adding mechanism 5.

In the use process of the embodiment, when the connecting frame 7 is in the second position state, before the powder in the powder adding mechanism 5 falls into the forming mold 50 of the press, the air blowing head 24 blows and cleans the inside of the forming mold 50.

The powder adding and feeding modes of the embodiment are as follows: firstly, a linear module 1 drives a connecting frame 7 to move to a first position state, at the moment, the feeding end of a powder adding hopper 8 is positioned under the whole position of a weighing device of a press, the weighed quantitative powder in the weighing device falls into the feeding end of the powder adding hopper 8, at the moment, a pneumatic finger 21 is positioned over a forming die 50 of the press, and a piston rod of the pneumatic finger 21 is retracted to drive clamping plates 23 at two sides to be closed so as to clamp the formed material on the forming die 50 of the press; then the linear module 1 drives the movable frame to move and switch to a second position state, at the moment, the discharging end of the powder adding hopper 8 is positioned right above the forming die 50 of the press, the lifting cylinder 11 drives the die pressing plate 9 to descend and abut against the upper side of the forming die 50 of the press, meanwhile, the vibrator is started to drive the powder adding hopper 8 to vibrate so as to enable powder to move from the feeding end to the discharging end, finally, the powder finally passes through the powder adding pipe and the powder blocking channel 10 and falls into the forming die 50 of the press, at the moment, the pneumatic finger 21 clamps the formed material to be positioned right above the blanking device 60 of the press, then the piston rod of the pneumatic finger 21 stretches out so that the two sides of the clamping plates 23 are separated, and the formed material is loosened so as to fall into the blanking device 60 to finish blanking; the device completes a stroke, and finally the linear module 1 drives the connecting frame 7 to return to the first position state to repeat the stroke.

The advantages of this embodiment are: through setting up powder adding mechanism and feeding mechanism on the link to adjust the interval between the two, make powder adding stroke and feeding stroke can go on in step, effectively shortened the whole processing stroke of press.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims (8)

1. An automatic press powder feeding device, comprising:

the linear module (1) comprises a guide rail (2) and a sliding block (4) capable of sliding along the guide rail (2) under the drive of a motor (3);

the powder adding mechanism (5) is connected to the sliding block (4) and can move along with the sliding block (4), so that powder is received from a powder weighing device (40) of the press and conveyed to a forming die (50) of the press;

the feeding mechanism (6) is also connected to the sliding block (4) and can move along with the sliding block (4), so that the formed product is taken down from a forming die (50) of the press and conveyed to a blanking device (60) of the press;

characterized by further comprising:

the connecting frame (7) is connected to the sliding block (4), the powder adding mechanism (5) and the feeding mechanism (6) are connected to the connecting frame (7), the connecting frame (7) at least has a first position state and a second position state, and the connecting frame (7) can be reciprocally switched between the two states under the driving of the sliding block (4);

when the connecting frame (7) is in a first position state, the powder adding mechanism (5) positioned on the connecting frame is correspondingly positioned below the powder weighing device (40) of the press so as to receive the falling powder, and the feeding mechanism (6) positioned on the connecting frame (7) is correspondingly positioned above the forming die (50) of the press so as to take out the formed product;

when the connecting frame (7) is in the second position state, the powder adding mechanism (5) arranged on the connecting frame is correspondingly arranged above the forming die (50) of the press so that powder falls into the forming die (50), and the feeding mechanism (6) arranged on the connecting frame (7) is correspondingly arranged above the blanking device (60) of the press so that a formed product is placed into the blanking device (60).

2. The automatic press powder feeding device according to claim 1, wherein: the powder adding mechanism (5) comprises a powder adding hopper (8), a die pressing plate (9) is further connected to the connecting frame (7), the die pressing plate (9) is located below the powder adding hopper (8) and is further provided with a powder blocking channel (10), when the connecting frame (7) is in a second position state, the die pressing plate (9) is located between the powder adding hopper (8) and a forming die (50) of the press, and the powder blocking channel (10) is communicated with the inside of the powder adding hopper (8) and the inside of the forming die (50).

3. An automatic press powder feeding apparatus according to claim 2, wherein: the connecting frame (7) is connected with a lifting cylinder (11), and the die pressing plate (9) is connected to a piston rod of the lifting cylinder (11) and can be driven by the lifting cylinder (11) to lift.

4. An automatic press powder feeding apparatus according to claim 2, wherein: the powder adding hopper (8) comprises a powder adding channel (12) which extends along the length direction of the connecting frame (7), a powder inlet end (13) and a powder outlet end (14) which are positioned at two ends of the powder adding channel (12), a vibrating frame (15) for installing a vibrating machine is further arranged below the powder adding hopper (8), the lower end of the vibrating frame (15) is connected with the connecting frame (7), and the upper end of the vibrating frame is connected to the lower side of the powder inlet end (13) of the powder adding hopper (8).

5. The automatic press powder feeding apparatus according to claim 4, wherein: the powder feeding end (13) of the powder feeding hopper (8) is further connected with a transmission bottom plate (16), the transmission bottom plate (16) is connected with the vibrating frame (15) through a transmission column (17), a plurality of reeds (18) are further connected between the transmission bottom plate (16) and the vibrating frame (15), and the vibrating frame (15) is connected to the connecting frame (7) through a plurality of rubber columns (19).

6. The automatic press powder feeding apparatus according to claim 4, wherein: the powder adding mechanism (5) further comprises a powder feeding pipe (20) connected below the feeding end of the powder adding hopper (8), the powder feeding pipe (20) is communicated with the powder adding hopper (8), and the powder feeding pipe (20) is in a funnel shape with the diameter gradually reduced downwards.

7. The automatic press powder feeding device according to claim 1, wherein: the feeding mechanism (6) comprises pneumatic fingers (21), the pneumatic fingers (21) are connected to the connecting frame (7) through a connecting plate (22), and two ends of the pneumatic fingers (21) are also connected with clamping plates (23) which can be folded or separated along with the pneumatic fingers (21).

8. The automatic press powder feeding device according to claim 1, wherein: and a jet head (24) is also connected to the connecting frame (7) and positioned below the powder adding mechanism (5).