CN113103658A

CN113103658A - Automatic powder weighing device of full-automatic multi-station electronic dry powder hydraulic press

Info

Publication number: CN113103658A
Application number: CN202110434634.8A
Authority: CN
Inventors: 张志仲; 张志法; 邵亚林
Original assignee: Nantong Ming Feng Hydraulic Machinery Manufacturing Co ltd
Current assignee: Nantong Ming Feng Hydraulic Machinery Manufacturing Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-07-13

Abstract

The invention relates to an automatic powder weighing device of a full-automatic multi-station electronic dry powder hydraulic machine, which comprises a support, a storage bin, a stirrer, a spiral conveying mechanism and a vibration weighing mechanism, wherein the vibration weighing mechanism comprises an electronic induction scale, a vibration material box, material box ear wings, a proximity switch and a cam rotating mechanism, the electronic induction scale is arranged on the support, the vibration material box is arranged at the front end of the electronic induction scale, the material box ear wings are respectively arranged on two sides of the vibration material box, the proximity switch is arranged on the inner side of the material box ear wing on one side and is arranged on the support, and the cam rotating mechanism is arranged on the inner side of the. The advantage is design compact structure, realizes that three station weighs the pay-off simultaneously, guarantees through agitator, screw conveyor mechanism, vibration weighing mechanism that the powder of mobility difference is effectively carried, weighs the accuracy, and the blanking is clean.

Description

Automatic powder weighing device of full-automatic multi-station electronic dry powder hydraulic press

Technical Field

The invention relates to the technical field of hydraulic presses, in particular to an automatic powder weighing device of a full-automatic multi-station electronic dry powder hydraulic press.

Background

In the full-automatic dry powder hydraulic machine in the prior art, the full-automatic volumetric feeding mode can be adopted for production only when the flowability of powder is required to be good, but the semi-automatic manual feeding mode can be adopted for production only when the flowability of the powder is poor and the multi-station weighing feeding mode is adopted for production, so that the efficiency is low and the safety is poor. In order to meet certain special process requirements in the production of the industries of electronics, rotors, magnetic materials and the like, the existing full-automatic dry powder hydraulic press is reformed and innovated on the existing equipment structure.

Disclosure of Invention

The invention aims to provide an automatic powder weighing device of a full-automatic multi-station electronic dry powder hydraulic machine, which is ingenious in design and convenient to use, can weigh and feed powder at multiple stations at one time, and can automatically weigh and blank powder with poor flowability.

The technical scheme of the invention is as follows:

the automatic powder weighing device of the full-automatic multi-station electronic dry powder hydraulic machine comprises a support, a bin, a stirrer, a spiral conveying mechanism and a vibration weighing mechanism, wherein the bin is installed at the upper end of the support, the stirrer is installed in the bin, a discharge hole is formed in the bottom of the bin, the spiral conveying mechanism and the spiral conveying mechanism are installed on the support, the discharge hole is connected to a feed inlet of the spiral conveying mechanism, and the vibration weighing mechanism is arranged below the spiral conveying mechanism.

The vibration weighing mechanism comprises an electronic induction scale, a vibration material box, material box ear wings, a proximity switch and a cam rotating mechanism, wherein the electronic induction scale is installed on the support, the vibration material box is installed at the front end of the electronic induction scale, the two material box ear wings are installed on the two sides of the vibration material box respectively, the proximity switch is designed on the inner side of the material box ear wing on one side and installed on the support, and the cam rotating mechanism is designed on the inner side of the material box ear wing on the other side.

Vibration magazine is including fixed riser, rotatory right angle hopper, fixed riser one end fixed mounting in electronic induction balance front end, the upper end right angle position of the rotatory right angle hopper of fixed riser other end upper end swivelling joint, and a right angle side of rotatory right angle hopper is that material mouth and oral area install up, and another right angle side of rotatory right angle hopper exports and should export and riser seal fit.

The cam rotating mechanism comprises a cam and a cam motor, the cam motor is arranged on a mounting support, the front end of the cam motor is driven to be mounted with the cam, and the cam rotates to touch the lug wings of the material box, so that the outlet at the lower end of the rotating right-angle hopper of the vibrating material box and the vertical plate can be opened and closed.

The agitator include the stirring rake, scrape material oar, (mixing) shaft, agitator motor is installed to feed bin one side, agitator motor front end drive connection (mixing) shaft, the (mixing) shaft is rotatable to be installed inside the feed bin, the stirring rake is installed to the position around the (mixing) shaft, the material oar is scraped to the (mixing) shaft intermediate position installation, and scrapes the material oar and follow the discharge gate of feed bin bottom above.

The powder weighing devices are designed into three groups, and the vibrating material boxes of the three groups of powder weighing devices are arranged in a row.

Screw feeding mechanism includes the conveying axle, helical blade, the auger delivery motor, the conveying pipeline, a bearing, the lower extreme at the feed bin is installed to the conveying pipeline, open the discharge gate that has feed inlet and feed bin on the conveying pipeline, the conveying pipeline front end is that the discharge gate and this discharge gate are located the rotatory right angle hopper top of vibration magazine, the auger delivery motor is installed in support one side position, the auger delivery motor front end passes through the shaft coupling and is connected with the conveying pipeline, the conveying pipeline is located inside the conveying pipeline, the conveying pipeline is close to shaft coupling one side and carries out rotatable coupling through bearing and conveying pipeline, helical blade is rotatory to be installed on the conveying pipeline, one side that the conveying pipeline is close to the.

Two side plates are further designed on two sides of the fixed vertical plate, the rotary right-angle hopper comprises two right-angle side plates and an inclined plate, the inclined sides of the two right-angle side plates are connected to two sides of the inclined plate respectively, the two right-angle side plates are correspondingly and rotatably installed on the inner sides of the two side plates of the fixed vertical plate respectively, the right angle of each right-angle side plate is designed into an acute angle, and the rotary right-angle hopper is convenient to rotate.

The invention has the advantages of compact design structure, realization of simultaneous weighing and feeding of three stations, effective conveying of powder with poor fluidity ensured by the stirrer, the spiral conveying mechanism and the vibration weighing mechanism, accurate weighing and clean blanking.

Drawings

Fig. 1 is a schematic diagram of a fully automatic multi-station electronic dry powder hydraulic machine.

Fig. 2 is a schematic diagram of an automatic feeding device of a full-automatic multi-station electronic dry powder hydraulic machine.

Fig. 3 is a schematic diagram of a feeding box of the automatic feeding device of the full-automatic multi-station electronic dry powder hydraulic machine.

Fig. 4 is a schematic diagram of a powder weighing device of the full-automatic multi-station electronic dry powder hydraulic machine.

Fig. 5 is a schematic diagram of a vibrating material box of a powder weighing device of the full-automatic multi-station electronic dry powder hydraulic machine.

Fig. 6 is an installation schematic diagram of three powder weighing devices of the full-automatic multi-station electronic dry powder hydraulic machine.

Detailed Description

Referring to the attached drawings 1-6, the full-automatic multi-station electronic dry powder hydraulic machine comprises a main cylinder 1, an upper crossbeam 2, an upper movable beam 3, a lower movable beam 4, a lower crossbeam 5, a machine base 6 and upright posts 7, wherein the lower crossbeam 5 is fixedly arranged on the machine base 6, the upper crossbeam 2, the upper movable beam 3 and the lower movable beam 4 are sequentially arranged on the lower crossbeam 5 from top to bottom, four corners of the upper crossbeam 2, the upper movable beam 3, the lower movable beam 4 and the lower crossbeam 5 are respectively penetrated through by four upright posts 7, the upper crossbeam 2 is fixed on the four upright posts 7, the lower ends of the upright posts 7 are fixed at the four corners of the lower crossbeam 5, the main cylinder 1 is arranged in the middle of the upper crossbeam 2, the lower end of the main cylinder 1 is controlled to be connected with the upper movable beam 3, the four corners of the upper movable beam 3 are in sliding fit with the four upright posts 7, two lower floating cylinders 8 are respectively arranged at, four corners of the lower movable beam 4 are in sliding fit with the four upright posts 7, a lower fixed template 9 is further arranged between the lower beam 5 and the lower movable beam 4, the lower fixed template 9 is positioned between the two lower floating cylinders 8, a lower central cylinder 10 is designed in the middle of the lower fixed template 9, the lower central cylinder 10 is arranged in the middle of the lower beam 5, a female die 11 is arranged in the middle of the upper surface of the lower movable beam 4, an upper die base 12 is arranged in the middle of the lower surface of the upper movable beam 3, three upper punches 13 are arranged below the upper die holder 12, three material grooves are formed in the middle of the female die 11, three lower punches 14 are arranged on the lower fixed die plate 9, the three lower punches 14 penetrate through the lower movable beam 4 and are located in the three material grooves in the middle of the female die 11 in a one-to-one correspondence mode, three core rods 15 are arranged at the upper end of the lower central cylinder 10, the three core rods 15 are located in the middle of the three lower punches 14 in a one-to-one correspondence mode respectively, and the core rods 15 are in sliding seal fit with the lower punches 14. The female die 11 and the lower punch 14 are designed to be in sliding sealing fit.

An upper piston rod 101 is arranged at the upper end of a piston in the main cylinder 1, a lower piston rod 102 is arranged at the lower end of the piston, a main cylinder pressing limiting adjusting block 103 is sleeved outside the upper piston rod 101, the main cylinder pressing limiting adjusting block 103 is positioned on the main cylinder 1, a main cylinder pressing limiting device 104 is rotatably arranged at the upper end of the upper piston rod 101, and an upper movable beam 3 is connected at the lower end of the lower piston rod 102. An upper piston rod 83 is arranged at the upper end of a piston in the lower floating cylinder 8, a lower piston rod 84 is arranged at the lower end of the piston, a lower floating cylinder retraction adjusting device 81 is sleeved on the upper piston rod 83, and a lower floating cylinder ejection adjusting device 82 is rotatably arranged at the lower end of the lower piston rod 84. The upper end of the lower central cylinder 10 is provided with a mandrel base machine adjusting nut 105, the lower end of the lower central cylinder 10 is provided with a lower central cylinder lower piston rod, and the lower end of the lower central cylinder 10 lower piston rod is rotatably provided with a lower central cylinder ejection adjusting device 106. The main cylinder, the lower floating cylinder and the lower central cylinder are all designed as double-piston rods, a piston rod at one end is used for pushing a component to operate, and a limiting device and a limiting block are arranged on the piston rod at the other end or on the piston rods at the two ends and are used for adjusting the stroke of the component to operate so as to ensure accurate pressing.

The front side and the rear side of the female die 11 are respectively provided with a magnetizing coil 16 which is arranged on the lower movable beam 4.

The left side of the lower movable beam 4 is provided with a feeding device 40 which comprises a feeding cylinder 401, a feeding bracket 402, a feeding plate 403, guide rails 404, springs 405, a feeding box 406 and roller pressing plates 407, wherein the feeding plate 403 is arranged on the lower movable beam 4 through the feeding bracket 402, the lower end of the left end of the feeding plate 403 is arranged on one side of the lower movable beam 4 through a support plate, the right end of the feeding plate 403 is arranged above the female die 11, a female die 11 clamping groove is formed in the middle of the feeding plate 403, the upper end of the female die 11 is clamped in the female die 11 clamping groove, the upper end surface of the female die 11 is flush with the upper end surface of the feeding plate 403, the guide rails 404 are respectively arranged on two sides of the feeding plate 403, the feeding box 406 is slidably arranged between the guide rails 404 and is arranged on the feeding plate 403, the feeding cylinder 401 is arranged on the left side of the feeding plate 403 and is in driving connection with the feeding box, the roller 408 is positioned between the guide rail 404 and the roller pressing plate 407, two ends of the roller pressing plate 407 are respectively mounted on the feeding plate 403 through pressing plate support rods 409, the pressing plate support rods 409 are sleeved with springs 405, the upper ends of the springs 405 are propped against the lower ends of the pressing plate support rods 409, and the lower ends of the springs 405 are propped against the feeding plate 403. Or the spring 405 is also designed and arranged on the roller pressing plate 407 and sleeved at the upper end of the pressing plate supporting rod 409, and finally the spring 405 is pressed at the upper end of the pressing plate supporting rod 409 through a nut.

The feeding box 406 comprises a material box 410, a vibrator 411, a vibrating plate 412, a screw 413, a spring 414, a material box body 415, rollers 408, a cylinder 416, a gate 417 and a sealing body 418, wherein two rollers 408 are respectively installed on two sides of the material box body 415, the vibrating plate 412 is fixed on the material box body 415 through a screw 413 nut, the spring 414 is sleeved on the screw 413, the upper end of the spring 414 is propped against the lower end of the vibrating plate 412, the lower end of the spring 414 is propped against the upper end of the material box body 415, the vibrator 411 is installed on one side of the vibrating plate 412, the sealing body 418 is installed at the lower end of the material box body 415, the material box 410 is installed in the middle of the vibrating plate 412, the lower end of the material box 410 penetrates through the material box body 415 and is propped against the upper end of the sealing body 418, an outlet corresponding to the lower end of the, the front end of the cylinder 416 is connected with the front end of a gate 417 in a driving way, and the gate 417 is also provided with a discharge port; the magazines 415 are designed in three, three magazines 415 being arranged in a row. The vibrator is a pneumatic vibrator, the vibrator vibrates to drive the vibrating plate to vibrate, so that the material box fixed on the vibrating plate vibrates together, and the flowability of powder inside the material box is improved. The cylinder promotes the gate forward, and the discharge gate that the discharge gate will be communicated with each other with the discharge gate of magazine lower extreme on the gate, and the powder just can fall, and under the vibration effect, the blanking is swift more, clean, and the gate is reset to the cylinder shrink messenger, and gate lower extreme bin outlet will stagger with magazine lower extreme discharge gate, and the gate seals the magazine lower extreme, just can prepare the material again inside the magazine. The sealing body is used for preventing powder from being discharged from the gap when the feeding box 406 slides and drops, and the powder leakage can be ensured in the material conveying process. The action of the spring assists the vibrator in vibrating effectively.

The full-automatic multi-station electronic dry powder hydraulic machine also comprises a powder weighing device 20, which comprises a support 201, a bin 202, a stirrer 203, a spiral conveying mechanism 204 and a vibration weighing mechanism, wherein the bin 202 is arranged at the upper end of the support 201, the stirrer 203 is arranged in the bin 202, a discharge hole 205 is formed in the bottom of the bin 202, the spiral conveying mechanism 204 is designed at the lower end of the bin 202, the spiral conveying mechanism 204 is arranged on the support 201, the discharge hole 205 is connected with a feed inlet of the spiral conveying mechanism 204, and the vibration weighing mechanism is designed below the spiral conveying mechanism 204; the powder weighing devices are designed into three groups, and the vibrating material boxes 207 of the three groups of powder weighing devices are arranged in a row. Two groups of powder weighing devices are respectively arranged at two sides of a feeding plate 403 of the feeding device 40, and the third group is arranged at the end part of the feeding plate 403 and is positioned above the feeding cylinder.

The vibration weighing mechanism comprises an electronic induction scale 206, a vibration material box 207, material box lugs 208, proximity switches 209 and a cam rotating mechanism 210, wherein the electronic induction scale 206 is installed on the support 201, the vibration material box 207 is installed at the front end of the electronic induction scale 206, one material box lug 208 is installed on each of two sides of the vibration material box 207, the proximity switches 209 are designed on the inner sides of the material box lugs 208 on one side and installed on the support 201, and the cam rotating mechanism 210 is designed on the inner sides of the material box lugs 208 on the other side.

The vibrating material box 207 comprises a fixed vertical plate 2071 and a rotating right-angle hopper 2072, one end of the fixed vertical plate 2071 is fixedly arranged at the front end of the electronic induction scale 206, the upper end of the other end of the fixed vertical plate 2071 is rotatably connected with the right-angle position at the upper end of the rotating right-angle hopper 2072, one right-angle side edge of the rotating right-angle hopper 2072 is a material port, the mouth part of the rotating right-angle hopper is upwards arranged, and the other right-angle side edge of the rotating right-angle hopper 2702 is an outlet which is in; two side plates can be designed on two sides of the fixed vertical plate 2071, the rotary right-angle hopper 2072 comprises two right-angle side plates and an inclined plate, the inclined sides of the two right-angle side plates are respectively connected on two sides of the inclined plate, the two right-angle side plates 2071 are respectively and correspondingly installed on the inner sides of the two side plates of the fixed vertical plate in a rotary manner, the right angle of the right-angle side plates is designed into an acute angle, and the rotary right-angle hopper 2072.

The cam rotating mechanism 210 comprises a cam 2101 and a cam motor 2102, the cam motor 2102 is arranged on the bracket 206, the cam 2101 is arranged at the front end of the cam motor 2102 in a driving mode, the cam 2101 rotates to touch the cartridge lug 208, and the outlet at the lower end of the rotating right-angle hopper 2072 of the vibrating cartridge 207 and the fixed vertical plate 2071 are opened and closed.

The stirrer 203 comprises a stirring paddle 2031, a scraping paddle 2032, a stirring shaft 2033 and a stirring motor 2034, wherein the stirring motor 2034 is installed on one side of the stock bin 202, the stirring shaft 2033 is in driving connection with the front end of the stirring motor 2034, the stirring shaft 2033 is rotatably installed inside the stock bin 202, the stirring paddle 2031 is installed at the front position and the rear position of the stirring shaft 2033, the scraping paddle 2032 is installed at the middle position of the stirring shaft 2033, and the scraping paddle 2032 is scraped from the upper surface of the discharge hole 205 at the bottom of the stock bin 202.

The spiral conveying mechanism 204 comprises a conveying shaft 2041, a spiral blade 2042, a spiral conveying motor 2043, a conveying pipe 2044 and a bearing 2045, wherein the conveying pipe 2044 is installed at the lower end of the bin 202, a feed inlet is formed in the upper end of the conveying pipe 2044 and is connected with the discharge outlet of the bin 202, the discharge outlet is formed in the front end of the conveying pipe 2044 and is positioned above a rotating right-angle hopper 2072 of the vibration material box 207, the spiral conveying motor 2043 is installed at one side of the support 201, the front end of the spiral conveying motor 2043 is connected with the conveying shaft 2041 through a coupling 2046, the conveying shaft 2041 is positioned inside the conveying pipe 2044, one side of the conveying pipe 2044, which is close to the coupling 2046, is rotatably connected with the conveying shaft 2041 through the bearing 2045, the spiral blade 2042 is rotatably installed on the conveying shaft 2041, one side of the conveying pipe 2044, which is close to the discharge outlet, is fixed on the support 201, the spiral conveying shaft 2041, the powder coming in from the feed inlet at the upper end of the feed delivery pipe falls into the feed delivery pipe, and is pushed forward by the rotation of the helical blades, and finally is output from the discharge outlet of the feed delivery pipe and falls into the rotating right-angle hopper 2072 of the vibrating material box.

The device also comprises a control box, wherein the control box is arranged on the ground at one side of the hydraulic machine and is controlled and connected with a hydraulic system, a driving system and a program system through signal lines, which are the prior art, and the device is simply described; the bracket 201 of the powder weighing device 20 is positioned above and at two sides of the feeding device 40, one side of the feeding device 40 extends into and penetrates through the bracket 201, so that the vibrating material box 207 is positioned above the feeding hole at the upper end of the material box 410 of the feeding device, and the discharging holes at the lower ends of the rotating right-angle hoppers 2072 of the three vibrating material boxes 207 are respectively in one-to-one correspondence with the feeding holes at the upper ends of the three material boxes 410. The three powder weighing devices 20 are compact in design structure, not only can realize three-station weighing and feeding, but also can ensure that no space is occupied, and rollers can be designed below the support, so that the movement is convenient.

When the invention is used, the technological actions mainly comprise the following four steps:

firstly, a powder weighing device is used for weighing the powder quantity of a product to be pressed once, powder with poor liquidity is put into a storage bin, a stirring motor is started to start stirring, a spiral conveying mechanism is started to convey the powder falling from the storage bin into a vibrating material box, an electronic induction scale senses that the weight in the vibrating material box reaches a set weight and sends a signal to a control console (the control console is arranged on one side of a hydraulic machine and used for controlling the whole equipment to act, and belongs to the prior art), and the control console gives an instruction to stop conveying of the spiral conveyor; for the purpose of stirring, the stirring paddle and the scraping paddle have the further effect of preventing powder at the discharge hole of the storage bin from being blocked in order to prevent the powder from not flowing and increase the fluidity of the powder; the invention designs three powder weighing devices to operate simultaneously for multiple stations.

Secondly, the weighed powder is put into a material box of a feeding device, a feeding cylinder controls the whole feeding box to be positioned in a female die and ensures that three material boxes are respectively and correspondingly arranged below each vibration material box one by one, after the feeding cylinder is in place, a cam motor of a cam rotating mechanism drives a cam to rotate, the cam rotates to act on a material box lug on one side of each vibration material box, so that a rotation right-angle hopper of each vibration material box can be rotated and opened, the material in the hopper can fall down and just fall into the material box of the feeding box, the material cannot effectively fall off once due to poor flowability of the powder, when the cam rotates, the material box lug is not acted, the rotation right-angle hopper can be closed, the process of instant closing is carried out, the rotation right-angle hopper can collide with a vertical plate to vibrate, the powder with poor flowability falls, meanwhile, a proximity switch can sense that the material box lug on the other, make rotatory right angle hopper open once more and close, repeat above-mentioned action many times to ensure that the powder falls cleanly, the material loading is tentatively accomplished, and the product of processing just is unlikely to few material like this, the unqualified problem of quality.

Step three, a process for adding powder in the feeding box into the female die comprises the following steps: before the feeding is started, the main cylinder drives the upper movable beam and the upper punch to be located in the upper limit device, the two lower floating cylinders drive the lower movable beam and the female die to be located at the lower limit position, the lower central cylinder drives the three core rods to be located at the lower limit position in the lower punch, and at the moment, the upper opening of the female die, the lower punch and the upper end face of the core rods are aligned to be certain.

The feeding box sends the powder to a die of a hydraulic press, the feeding cylinder pushes the material box body to move forward between guide rails, the roller pressing plate presses the roller downwards, the problem of shaking and material leakage in the feeding process of the material box body is prevented, when the material box is positioned above a female die and stops moving forward, the lower end discharge port of three material boxes and three material grooves in the female die are in one-to-one correspondence is ensured, the air cylinder inside the feeding box moves to push a gate to stretch forwards to open the lower end discharge port of the material box, discharging is carried out, the vibrator starts vibrating, the material box vibrates, the powder can be discharged and finished, no residual material is left in the material box, after discharging is finished, the vibrator stops, the air cylinder controls the gate to withdraw and close the discharge port of the material box, the.

In the discharging process, the two lower floating cylinders push the lower movable beam to float and rise to form suction charging, so that no powder is sprayed out, and the height of the powder in the female die after charging is lower than the upper opening of the female die.

Step four, product pressing and demolding: the main cylinder drives the upper movable beam and the upper punch to move downwards, the upper punch moves downwards to enter the upper opening of the female die and then is sealed, powder cannot be impacted to fly out due to the fact that the height of the powder is lower than that of the female die, and meanwhile the magnetizing coils on the two sides are electrified, so that the powder is arranged in an ordered direction under the action of electromagnetic fields on the two sides. The upper punch continues to descend under the action of the main cylinder to punch powder, and the lower floating cylinder drives the lower movable beam to descend, so that the female die floats downwards. The lower punch is fixed, but the female die floats downwards, and the lower punch moves upwards relative to the female die, so that bidirectional floating pressing of the upper punch and the lower punch is realized, after the upper punch and the female die move downwards to a set pressing position, pressure maintaining is started, after pressure maintaining is finished, pressure is released, pressing stress is released, after pressure releasing is finished, the lower central cylinder drives the core rod to move downwards, core rod core pulling and demolding are realized, and internal stress of a product can be continuously released. And then the floating cylinder returns to drive the lower movable beam and the female die to move downwards, so that the demolding is protected, and the product is separated from the upper punch and the lower punch. And finally, the main cylinder returns to drive the upper movable beam and the upper punch to move upwards to demould and leave the product. And (5) after demolding is finished, taking out the product, and finishing a process cycle.

Claims

1. The automatic powder weighing device of the full-automatic multi-station electronic dry powder hydraulic machine is characterized by comprising a support, a bin, a stirrer, a spiral conveying mechanism and a vibration weighing mechanism, wherein the bin is mounted at the upper end of the support, the stirrer is mounted in the bin, a discharge hole is formed in the bottom of the bin, the spiral conveying mechanism is designed at the lower end of the bin and is mounted on the support, the discharge hole is connected to a feed inlet of the spiral conveying mechanism, and the vibration weighing mechanism is designed below the spiral conveying mechanism;

the vibration weighing mechanism comprises an electronic induction scale, a vibration material box, material box ear wings, a proximity switch and a cam rotating mechanism, wherein the electronic induction scale is arranged on the support, the vibration material box is arranged at the front end of the electronic induction scale, the two sides of the vibration material box are respectively provided with one material box ear wing, the proximity switch is arranged on the inner side of the material box ear wing on one side and is arranged on the support, and the cam rotating mechanism is arranged on the inner side of the material box ear wing on the other side;

the vibrating material box comprises a fixed vertical plate and a rotating right-angle hopper, one end of the fixed vertical plate is fixedly arranged at the front end of the electronic induction scale, the upper end of the other end of the fixed vertical plate is rotatably connected with the right-angle position of the upper end of the rotating right-angle hopper, one right-angle side edge of the rotating right-angle hopper is a material port, the opening part of the rotating right-angle hopper is arranged upwards, and the other right-angle side edge of the rotating right-angle hopper is an outlet which;

the cam rotating mechanism comprises a cam and a cam motor, the cam motor is installed on the support, the front end of the cam motor is provided with the cam in a driving mode, the cam rotates to touch the lug wings of the material box, and the outlet at the lower end of the rotating right-angle hopper of the vibrating material box and the vertical plate are opened and closed to move.

2. The automatic powder weighing device of the full-automatic multi-station electronic dry powder hydraulic machine according to claim 1, wherein the stirrer comprises a stirring paddle, a scraping paddle, a stirring shaft and a stirring motor, the stirring motor is installed on one side of the storage bin, the front end of the stirring motor is in driving connection with the stirring shaft, the stirring shaft is rotatably installed inside the storage bin, the stirring paddles are installed at the front and back positions of the stirring shaft, the scraping paddle is installed in the middle of the stirring shaft, and the scraping paddle is scraped from the discharge port at the bottom of the storage bin.

3. The automatic powder weighing device of the full-automatic multi-station electronic dry powder hydraulic machine according to claim 1, wherein the powder weighing devices are designed into three groups, and vibrating material boxes of the three groups of powder weighing devices are arranged in a row.

4. The automatic powder weighing device of a full-automatic multi-station electronic dry powder hydraulic machine according to claim 1, wherein the screw conveying mechanism comprises a conveying shaft, a helical blade, a screw conveying motor, a conveying pipe and a bearing, the conveying pipe is arranged at the lower end of the storage bin, a feeding port is formed in the upper end of the conveying pipe and connected with a discharging port of the storage bin, the discharging port is formed in the front end of the conveying pipe and located above a rotating right-angle hopper of the vibrating material box, the screw conveying motor is arranged at one side of the support, the front end of the screw conveying motor is connected with the conveying pipe through a coupler, the conveying shaft is located inside the conveying pipe, one side, close to the coupler, of the conveying pipe is rotatably connected with the conveying shaft through the bearing, the helical blade is rotatably arranged on the conveying shaft, and one.

5. The automatic powder weighing device of the full-automatic multi-station electronic dry powder hydraulic machine according to claim 1, wherein two side plates are further arranged on two sides of the fixed vertical plate, the rotating right-angle hopper comprises two right-angle side plates and an inclined plate, the two sides of the inclined plate are respectively connected with the inclined edges of the two right-angle side plates, the two right-angle side plates are respectively and correspondingly rotatably arranged on the inner sides of the two side plates of the fixed vertical plate, and the right angle of the right-angle side plate is designed to be an acute angle so as to facilitate the rotation of the rotating.