CN112537665A

CN112537665A - Uniform powder discharging device

Info

Publication number: CN112537665A
Application number: CN202011221361.0A
Authority: CN
Inventors: 徐斌; 徐和彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-03-23

Abstract

The invention relates to a uniform powder discharging device which comprises a box body with an opening at the top and a funnel-shaped discharging hopper connected to the bottom of the box body, wherein a main board for installation and use is fixed at the bottom of the discharging hopper, a fixed rod is fixed at the opening at the top of the box body along the radial direction, a threaded sleeve is arranged in the middle of the fixed rod, a screw rod is arranged on the threaded sleeve in a vertically rotating mode, the upper end of the screw rod is connected with a rotating head, and the lower end of the screw rod is connected with a discharging control assembly for controlling the discharging. The control screw is rotated to drive the control blanking assembly at the lower end of the screw to lift, so that the control of the blanking amount of powder in the blanking hopper is realized, the screw can be controlled to lift by rotating the rotating head, the use is simple and convenient, and the uniform blanking device for powder is convenient to control the feeding amount of the powder.

Description

Uniform powder discharging device

Technical Field

The invention relates to the technical field of powder conveying, in particular to a uniform powder discharging device.

Background

In the process of using powder as a raw material or a processing object, a feeding device is usually used for feeding powder for production into production equipment, however, the existing feeding device has a simple structure, the amount of the powder entering the equipment cannot be controlled, so that the components of a processed product are uneven, the performance of the product is changed, and the use is not facilitated; in addition, some powdered particles's raw materials when getting into feed arrangement, the powder can appear the phenomenon of jam in feed arrangement discharge gate department, cause the unloading difficulty, influence the problem of ejection of compact, can install vibrating motor additional on feed arrangement at present, however, current vibrating motor structure can't adjust the control variable vibration to feed arrangement as required, and the energy loss who causes is great, and the cost is higher, help to the ejection of compact is also very limited, consequently, need improve current feed arrangement, solve above-mentioned problem.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a uniform powder blanking device which is convenient for controlling the powder feeding amount, is not easy to block during feeding and reduces energy loss.

The technical scheme of the invention is realized as follows: the utility model provides an even unloader of powder, has the open-ended box and connects the lower hopper that is hopper-shaped at the bottom half including the top, the hopper bottom is fixed with the mainboard that supplies the installation to use down, its characterized in that: the automatic powder feeding device is characterized in that a fixing rod is radially fixed at the opening at the top of the box body, a threaded sleeve is arranged in the middle of the fixing rod, a screw rod is arranged on the threaded sleeve in a vertically rotating mode, the upper end of the screw rod is connected with a rotating head, and the lower end of the screw rod is connected with a control blanking assembly used for controlling the blanking amount of powder in a blanking hopper.

By adopting the technical scheme, when the device is used, the control blanking assembly at the lower end of the screw rod is driven to lift through rotating the control screw rod, so that the control of the blanking amount of the powder in the blanking hopper is realized, the powder enters the box body through the opening at the top of the box body and is blanked downwards through the blanking hopper, the bottom of the blanking hopper is fixedly provided with the main board for installation and use, the screw rod vertically rotates to penetrate through the screw hole of the screw sleeve, and the screw rod can be controlled to lift through rotating the rotating head under the action of threads.

The invention is further configured to: the control unloading subassembly is including setting up the stifled workbin at the screw rod lower extreme, stifled workbin lateral wall sets to and hopper inner cone wall matched with funnel shaped structure down, the stifled workbin top sets to the hemisphere form, the biggest cross section in stifled workbin top equals with lower hopper top cross section, stifled workbin top and bottom are provided with a plurality of upper apertures that supply the powder to get into respectively and a plurality of lower holes that supply powder to leak down, stifled workbin top just is located the screw rod lateral wall and is fixed with the guide plate, the relative middle part downward sloping in guide plate edge, the diameter of guide plate is greater than the diameter at stifled workbin top.

By adopting the technical scheme, when in use, the main board is arranged on the powder processing equipment, the lower end of the blanking hopper is connected with the feeding end of the processing equipment, the powder is poured into the box body, the falling powder firstly falls onto the guide plate and moves downwards along the guide plate, the diameter of the guide plate is larger than that of the top of the blocking box, so that the falling powder cannot directly enter the blocking box through the upper hole, the powder falls onto the top of the blanking hopper and downwards along the inner wall of the blanking hopper, the bottom in the box body also downwards inclines, the powder is rapidly discharged downwards, at the moment, the screw rod can be controlled to lift by rotating the rotating head, the blocking box at the lower end of the screw rod can lift and adjust, thereby realizing the effect of changing the discharging amount and the discharging speed at the bottom of the blanking hopper, when the powder in the box body is accumulated to be too high to be higher than the top of the blocking box, the powder, and the powder falls from the lower hole at the bottom, so that the situation that the powder accumulated in the box body is too much and the powder accumulated in the box body is extruded inside the lower hopper and the box body due to the increase of gravity is avoided, and the blockage caused by the blanking is not easy to occur.

The invention is further configured to: be provided with the suction subassembly that is used for sucking the interior air of putty case on the putty case lateral wall, the suction subassembly is including connecting the suction tube on the putty case lateral wall and setting up the filter screen at the suction tube suction end, suction tube one end is run through and is connected with the air exhauster behind the lower hopper lateral wall, be provided with pulse controller on the air exhauster.

Through adopting above-mentioned technical scheme, in order to further prevent the powder at the inside whereabouts in-process downwards of putty case, block up in upper hole department, be provided with the suction subassembly that is used for sucking the interior air of putty case on the putty case lateral wall, be used for further accelerating the inside powder unloading of putty case, prevent to block up, connect the suction tube on the putty case lateral wall, the filter screen of setting at the suction tube suction end, suction tube one end is run through out down and is connected with the air exhauster behind the hopper lateral wall, be provided with pulse controller on the air exhauster, pulse controller intermittent type nature control air exhauster operation convulsions.

The invention is further configured to: the left side and the right side of the upper surface of the main board are symmetrically provided with counterweight supports, the configuration support is provided with a variable frequency vibration control assembly and a plc controller, the variable frequency vibration control assembly is used for adjusting variable vibration frequency and vibration amplitude to knock so as to enable the material blocking box and the blanking hopper to vibrate and promote the normal blanking of powder, the variable frequency vibration control assembly comprises a control tube which is arranged on the upper surface of the configuration support and is far away from the box body, one end of the control tube is sealed, a sliding plate is arranged in the control tube in a sliding manner, a force storage spring is arranged between the sliding plate and the closed end of the control tube, a knocking rod is fixed on the sliding plate, one end of the knocking rod penetrates through the force storage spring and then is connected with a metal block through the closed end of the control tube, a transverse moving cylinder is arranged on the upper surface of the counterweight support and is positioned at, the electromagnetic adsorption block and the transverse moving cylinder are respectively and electrically connected with the plc controller, and the plc controller controls the electromagnetic adsorption block to adsorb the metal block after being electrified and to transversely move in the direction away from the box body at different time intervals, so that the sliding plate extrudes the force accumulation spring to deform to generate elastic force with different sizes to knock the material blocking box and the material discharging box with variable vibration frequency and vibration amplitude.

By adopting the technical scheme, the counterweight supports are symmetrically arranged on the upper surface of the main board and positioned on the left side and the right side of the blanking hopper, the counterweight supports are used for enhancing the weight of the main board and ensuring that the main board is more stably installed on powder processing equipment, the configuration supports are provided with the variable-frequency vibration control assembly and the plc controller which are used for adjusting variable vibration frequency and vibration amplitude to knock so that the material blocking box and the blanking hopper vibrate to promote the normal blanking of powder, after the powder is poured into the box body, the falling powder firstly falls onto the material guide plate and moves downwards along the material guide plate, because the diameter of the material guide plate is larger than that of the top of the material blocking box, the falling powder cannot directly enter the material blocking box through the upper hole, the powder falls onto the top of the blanking hopper and downwards along the inner wall of the blanking hopper, the bottom in the box body also downwards inclines downwards, so that the powder can be rapidly discharged downwards, the material blocking box at the lower end of the screw rod can be adjusted in a lifting mode, so that the effect of changing the material discharging amount and the material discharging speed at the bottom of the material discharging hopper is achieved, in the material discharging process, the PLC controls the electromagnetic adsorption block to be electrified to adsorb a metal block, after the metal block is adsorbed, the PLC controls the transverse moving air cylinder to act and drive the transverse moving rod at the output end to retract, so that the metal block and the knocking rod are driven to move towards the left side, the sliding plate is driven to compress the force storage spring between the sliding plate and the closed end of the control tube, the force stored by compression is in direct proportion to the retraction amount of the transverse moving rod driven by the transverse moving air cylinder, the PLC controls the transverse moving air cylinder to drive for a set time, then the transverse moving air cylinder stops running, meanwhile, the electromagnetic adsorption block is stopped from being adsorbed to the metal block when the electromagnetic adsorption block is not electrified, and the sliding plate is driven to, strike the box lateral wall through knocking the rod tip, make box and lower hopper produce the vibration, after the vibration, the plc controller is again controlled sideslip cylinder drive sideslip pole and is released and reset, the electromagnetism adsorbs the piece and gets electricity again and adsorb the metal block afterwards, carry out the power of next round and strike the vibration, the power of each round of power of plc controller control strikes the interval of time different, the size of power of holding simultaneously is also different, thereby strike vibration box and the produced state that constantly changes of hopper and vibration frequency and amplitude through knocking the pole, the natural frequency of every object is all inequality, and want to make the vibration maximize the effect of powder unloading, the frequency that needs to strike reaches the natural frequency, consequently, adopt the mode of frequency conversion change striking dynamics, the effect is the most ideal.

The invention is further configured to: the conversion vibration energy component comprises an extension plate fixed at the lower part of the left and right side walls of the box body, and an anode magnetic block and a cathode magnetic block arranged on the opposite side walls of the left and right counterweight support seats, the anode magnetic block and the cathode magnetic block are fixed on the side walls of the counterweight support seats in a front-back relative manner and are positioned at the front and back sides of the extension plate, a vertical fixed rod is fixed on the upper surface of the extension plate, an arc-shaped rod is arranged at the upper end of the vertical fixed rod in a left-right swinging manner through a rotating shaft, fixing cylinders are fixed at two ends of the arc-shaped rod, main conductor columns are inserted into the fixing cylinders, and fixing end covers are detachably connected at the left and right ends of the fixing cylinders, the two ends of the upper surface of the fixed cylinder are respectively provided with a guide hole, and the two ends of the main conductor column respectively penetrate out of the guide holes through two wires and then are electrically connected with the rechargeable power supply module.

By adopting the technical scheme, the mode of feeding the powder by adopting vibration assistance is common, but in the process of continuously vibrating the box body and the feeding hopper, the wasted shaking energy is very large, in order to fully collect the shaking energy, the rechargeable power supply module for supplying power to the plc controller is arranged on the balance weight support, the conversion vibration energy components for converting the vibration energy to charge to the rechargeable power supply module are arranged between the left balance weight support and the right balance weight support as well as between the left side wall and the right side wall of the box body, in the process of vibrating the box body, the extending plates on the left side wall and the right side wall are shaken left and right to drive the arc-shaped rod at the upper end of the vertical fixed rod to shake left and right, the two ends of the arc-shaped rod are fixed with the fixed cylinders, the main conductor columns are inserted into the fixed cylinders, the left end and the right end of the fixed cylinders, the two ends of the main conductor column penetrate through the guide holes through the two wires respectively and then are electrically connected with the rechargeable power supply module, so that the main conductor column in the fixed cylinder performs left-right shaking type cutting motion between the anode magnetic block and the cathode magnetic block, current is generated, the current is stored in the rechargeable power supply module through the two wires, the anode magnetic block and the cathode magnetic block which are arranged on the opposite side walls of the left counterweight support and the right counterweight support keep stable states relative to the box body, the current is further generated by the cutting motion conveniently, the current generation efficiency of the conversion vibration energy components on the left side and the right side is high, the charging efficiency is high, the charged power is supplied to the plc controller to operate and control the electromagnetic adsorption block and the transverse moving cylinder, the production energy consumption.

The invention is further configured to: and a displacement horizontal mark is arranged on the upper surface of the counterweight support and between the control pipe and the transverse moving cylinder.

Through adopting above-mentioned technical scheme, for the convenience of operating personnel as required manual operation input data controls the displacement volume that plc controller control sideslip cylinder drove, be provided with displacement level mark on counter weight support upper surface and lie in between control pipe and the sideslip cylinder.

The invention is further configured to: the horizontal stiffener is connected with on the rotating head lateral wall, horizontal stiffener end fixing has the handle, the handle is cylindric and is provided with a plurality of annular antiskid groove along length direction on the lateral wall.

Through adopting above-mentioned technical scheme, in order to be convenient for further that operating personnel operates rotatory rotating head and control powder unloading volume, be connected with horizontal stiffener on the rotating head lateral wall, horizontal stiffener end fixing has the handle, in order to further improve handle and hand coefficient of friction relatively, is cylindric and lateral wall with the handle setting and goes up and be provided with a plurality of annular antiskid groove along length direction.

The invention also discloses a blanking control method of the powder uniform blanking device, which is characterized by comprising the following steps of:

s1, feeding operation: after the powder is poured into the box body, the falling powder firstly falls onto the material guide disc and moves downwards along the material guide disc, the falling powder falls onto the top of the blanking hopper and downwards along the inner wall of the blanking hopper, so that the powder is rapidly discharged downwards, the screw rod is controlled to lift through rotating the rotating head, the material blocking box at the lower end of the screw rod can lift and adjust, and the discharging amount and the discharging speed at the bottom of the blanking hopper are changed;

s2, blanking vibration: in the blanking process, the plc controller controls the power on of the electromagnetic adsorption block to adsorb the metal block, after the metal block is adsorbed, the plc controller controls the transverse moving cylinder to act to drive the transverse moving rod at the output end to retract, so as to drive the metal block and the knocking rod to move towards the left side, so as to drive the sliding plate to compress the force storage spring between the sliding plate and the closed end of the control tube, the plc controller controls the transverse moving cylinder to drive for a set time, then the transverse moving cylinder stops running, meanwhile, the electromagnetic adsorption block loses power to stop adsorbing the metal block, under the restoring action of the force storage spring, the sliding plate is driven to slide towards the box body, the outer side wall of the box body is knocked by the end part of the knocking rod, so that the box body and the blanking hopper generate vibration, after the vibration, the plc controller controls the transverse moving cylinder to drive the transverse moving rod to push out and reset, then the electromagnetic block gets power again to adsorb the metal block, the next round of accumulated force knocking vibration is carried out, the plc controller controls different intervals of accumulated force knocking time of each round, and meanwhile, the length of the transverse moving cylinder driving the transverse moving rod to retract is different;

s3, energy recovery: in the vibration process of the box body, the extending plates on the left side wall and the right side wall swing left and right to drive the arc-shaped rods at the upper ends of the vertical fixing rods to swing left and right, so that the main conductor columns in the fixing cylinder perform left-right swinging type cutting motion between the anode magnetic block and the cathode magnetic block to generate current, the current is stored in the rechargeable power supply module through two leads, and the charged power is supplied to the plc controller to operate and control the electromagnetic adsorption block and the transverse moving cylinder;

s4, stopping operation: stopping sending into of powder, plc controller control sideslip cylinder drive sideslip pole is released and is reset, stops electromagnetic adsorption piece circular telegram this moment, along with box and hopper vibration stop down, extension board and arc pole stop to rock.

By adopting the technical scheme, the screw rod can be controlled to lift through rotating the rotating head, and the material blocking box at the lower end of the screw rod can be lifted and adjusted, so that the effect of changing the material discharging amount and the material discharging speed at the bottom of the material discharging hopper is realized; the plc controller controls the power storage to carry out variable-frequency knocking vibration on the box body and the blanking hopper, the interval of power storage knocking time of each wheel is different, and the magnitude of the power storage is different, so that the vibration frequency and the amplitude generated by knocking the vibrating box body and the blanking hopper through the knocking rod are in a constantly changing state, the inherent frequency of each object is different, the effect of the vibration on powder blanking is required to be maximized, the knocking frequency reaches the inherent frequency, the mode of changing the frequency into the knocking force is adopted, the effect is ideal, the variable-frequency vibration blanking is assisted, and the material blockage is avoided; the cutting motion of shaking about going on between positive pole magnetic path and the negative pole magnetic path is held to leading conductor post in the fixed cylinder, and then produces the electric current, and the electric current is stored to chargeable source module through two wires, and the conversion vibration energy component electric current of the left and right sides produces efficiently, and charging efficiency is high, and the power supply after charging comes operation control electromagnetism absorption piece and sideslip cylinder to the plc controller, reduces the production energy consumption, convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a partially enlarged structural diagram of a portion a in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the invention discloses a uniform powder blanking device, which comprises a box body 1 with an opening at the top and a funnel-shaped blanking hopper 2 connected to the bottom of the box body 1, wherein a main board 3 for installation and use is fixed at the bottom of the blanking hopper 2, in the specific embodiment of the invention, a fixed rod 4 is fixed at the opening at the top of the box body 1 along the radial direction, a threaded sleeve 5 is arranged in the middle of the fixed rod 4, a screw rod 6 is arranged on the threaded sleeve 5 in an up-and-down rotating manner, the upper end of the screw rod 6 is connected with a rotating head 7, and the lower end of the screw rod 6 is connected with a blanking control assembly for controlling the blanking amount.

By adopting the technical scheme, when the powder uniform blanking device is used, the control blanking component at the lower end of the screw rod 6 is driven to lift by rotating the control screw rod 6, so that the control on the blanking amount of the powder in the blanking hopper 2 is realized, the powder enters the box body 1 through the opening at the top of the box body 1 and is blanked downwards through the blanking hopper 2, the bottom of the blanking hopper 2 is fixedly provided with the main board 3 for installation and use, the screw rod 6 rotates up and down to penetrate through the screw hole of the threaded sleeve 5, and the screw rod 6 can be controlled to lift by rotating the rotating head 7 under the action of threads.

In the specific embodiment of the invention, the blanking control assembly comprises a material blocking box 8 arranged at the lower end of a screw 6, the side wall of the material blocking box 8 is arranged into a funnel-shaped structure matched with the inner conical wall of a lower hopper 2, the top of the material blocking box 8 is arranged into a hemispherical shape, the maximum cross section of the top of the material blocking box 8 is equal to the cross section of the top of the lower hopper 2, the top and the bottom of the material blocking box 8 are respectively provided with a plurality of upper holes 9 for powder to enter and a plurality of lower holes 10 for powder to leak downwards, a material guide disc 13 is fixed on the side wall of the screw 6 at the top of the material blocking box 8, the edge of the material guide disc 13 inclines downwards relative to the middle part, and the diameter of.

By adopting the technical scheme, when in use, the main board 3 is arranged on powder processing equipment, the lower end of the blanking hopper 2 is connected with the feeding end of the processing equipment, powder is poured into the box body 1, the falling powder firstly falls onto the guide disc 13 and moves downwards along the guide disc 13, the falling powder cannot directly enter the blocking box 8 through the upper hole 9 because the diameter of the guide disc 13 is larger than that of the top of the blocking box 8, the powder falls onto the top of the blanking hopper 2 and downwards along the inner wall of the blanking hopper 2, the bottom in the box body 1 also inclines downwards, the powder is discharged downwards quickly, at the moment, the screw rod 6 can be controlled to lift through rotating the rotating head 7, the blocking box 8 at the lower end of the screw rod 6 can be lifted and adjusted, so that the effects of changing the blanking amount and the blanking speed at the bottom of the blanking hopper 2 are realized, when the powder in the box body 1 is accumulated to be too high to be, inside entering putty case 8 through last hole 9 to from the lower hole 10 whereabouts of bottom, avoid because of the powder accumulation in the box 1 is too much, and accumulate too much powder because gravity increases, make each other pressure increase and extrude inside hopper 2 and box 1 down, difficult unloading and appearing the putty.

In the specific embodiment of the invention, a suction assembly for sucking air in the plugging box 8 is arranged on the side wall of the plugging box 8, the suction assembly comprises a suction pipe 11 connected to the side wall of the plugging box 8 and a filter screen arranged at the suction end of the suction pipe 11, one end of the suction pipe 11 penetrates through the side wall of the discharging hopper 2 and is connected with an exhaust fan, and a pulse controller is arranged on the exhaust fan.

Through adopting above-mentioned technical scheme, in order to further prevent the powder at the inside whereabouts in-process downwards of putty case 8, the jam is in upper hole 9 department, be provided with the suction subassembly that is used for sucking the air in putty case 8 on 8 lateral walls of putty case, be used for further accelerating the inside powder unloading of putty case 8, prevent the jam, connect suction tube 11 on 8 lateral walls of putty case, the filter screen of setting at 11 suction ends of suction tube, 11 one end of suction tube is run through out and is connected with the air exhauster behind 2 lateral walls of hopper down, be provided with pulse controller on the air exhauster, pulse controller intermittent type nature control air exhauster operation convulsions.

In the embodiment of the invention, the left and right sides of the upper surface of the main plate 3 are symmetrically provided with counterweight support seats 21, the configuration support seats 21 are provided with variable frequency vibration control components and plc controllers for adjusting variable vibration frequency and vibration amplitude to knock so as to vibrate the blocking box 8 and the lower hopper 2 to promote normal powder blanking, the variable frequency vibration control components comprise control tubes 22 which are arranged on the upper surface of the configuration support seats 21 and are far away from the box body 1 and closed, sliding plates 23 are arranged in the control tubes 22 in a sliding manner, power storage springs 24 are arranged between the sliding plates 23 and the closed ends of the control tubes 22, knocking rods 25 are fixed on the sliding plates 23, one ends of the knocking rods 25 penetrate through the power storage springs 24 and then penetrate through the closed ends of the control tubes 22 to be connected with metal blocks 26, and transverse cylinders 27 are arranged on the upper surface of the counterweight support seats 21 and on one side of the control, the output end of the traverse cylinder 27 is transversely connected with a traverse rod 28, the end part of the traverse rod 28 is provided with an electromagnetic adsorption block 29 matched with the metal block 26, the electromagnetic adsorption block 29 and the traverse cylinder 27 are respectively and electrically connected with a plc controller, and the plc controller controls the electromagnetic adsorption block 29 to adsorb the metal block 26 and transversely move in the direction away from the box body 1 after the electromagnetic adsorption block is electrified at different time intervals, so that the sliding plate 23 extrudes the force accumulation spring 24 to deform to generate elastic force with different sizes to change the vibration frequency and the vibration amplitude to knock the blocking box 8 and the blanking hopper 2.

By adopting the technical scheme, the counterweight supports 21 are symmetrically arranged on the upper surface of the main board 3 and positioned on the left side and the right side of the blanking hopper 2, the counterweight supports 21 are used for enhancing the weight of the main board 3 and ensuring that the main board is more stable when being installed on powder processing equipment, the frequency conversion vibration control assembly and the plc controller are arranged on the configuration supports 21 and used for adjusting the variable vibration frequency and the vibration amplitude to knock the blocking hopper 8 and the blanking hopper 2 to vibrate so as to promote the normal blanking of powder, after the powder is poured into the box body 1, the falling powder firstly falls onto the guide plate 13 and moves downwards along the guide plate 13, because the diameter of the guide plate 13 is larger than that of the top of the blocking hopper 8, the falling powder cannot directly enter the blocking hopper 8 through the upper hole 9, falls onto the top of the blanking hopper 2, and the inner wall of the blanking hopper 2 is downward, and the bottom in the box body 1 is also downward inclined, so, at this time, the rotating head 7 is rotated to control the screw rod 6 to move up and down, the blanking box 8 at the lower end of the screw rod 6 can be adjusted to move up and down, so as to change the blanking amount and the blanking speed at the bottom of the blanking hopper 2, in the blanking process, the plc controller controls the electromagnetic adsorption block 29 to be electrified to adsorb the metal block 26, after the metal block 26 is adsorbed, the plc controller controls the transverse moving cylinder 27 to move, so as to drive the transverse moving rod 28 at the output end of the plc controller to retract, so as to drive the metal block 26 and the knocking rod 25 to move to the left, so as to drive the sliding plate 23 to compress the force storage spring 24 between the sliding plate 23 and the closed end of the control tube 22, the force accumulated by the compression is in direct proportion to the retraction amount of the transverse moving rod 28 driven by the transverse moving cylinder 27, the transverse moving cylinder 27 is controlled by the plc controller to be driven for a set time, then the cylinder 27 stops operating, and at the same, under the action of the restoring force of the power storage spring 24, the sliding plate 23 is driven to slide towards the box body 1, the outer side wall of the box body 1 is knocked by the end part of the knocking rod 25, so that the box body 1 and the blanking hopper 2 vibrate, after vibration, the plc controller controls the traversing cylinder 27 to drive the traversing rod 28 to push out and reset, then the electromagnetic adsorption block 29 is electrified to adsorb the metal block 26, and then the power storage knocking vibration of the next round is carried out, the plc controller controls the power storage knocking time interval of each round to be different, and simultaneously, the power storage is different in magnitude, so that the vibration frequency and the vibration amplitude generated by knocking and vibrating the box body 1 and the blanking hopper 2 by the knocking rod 25 are in a constantly changing state, the natural frequency of each object is different, the effect of vibration on powder blanking is expected to be maximized, the frequency required to be knocked reaches the natural frequency, and the mode of changing the knocking force by frequency is adopted, the effect is most ideal.

In the specific embodiment of the present invention, a rechargeable power module for supplying power to the plc controller is disposed on the counterweight support 21, a vibration energy conversion assembly for converting vibration energy to charge the rechargeable power module is disposed between the left and right counterweight supports 21 and the left and right sidewalls of the box 1, the vibration energy conversion assembly includes an extension plate 31 fixed on the lower portions of the left and right sidewalls of the box 1, and an anode magnetic block 32 and a cathode magnetic block 33 disposed on the opposite sidewalls of the left and right counterweight supports 21, the anode magnetic block 32 and the cathode magnetic block 33 are fixed on the sidewalls of the counterweight support 21 and located on the front and back sides of the extension plate 31, a vertical fixing rod 34 is fixed on the upper surface of the extension plate 31, an arc-shaped rod 36 is disposed at the upper end of the vertical fixing rod 34 through a rotating shaft 35 in a left-right swinging manner, the main conductor column 38 is inserted into the fixed cylinder 37, the left end and the right end of the fixed cylinder 37 are detachably connected with the fixed end covers 39, guide holes are formed in two ends of the upper surface of the fixed cylinder 37 respectively, and two ends of the main conductor column 38 are electrically connected with the rechargeable power supply module after penetrating out of the guide holes through two wires 40 respectively.

By adopting the technical scheme, the mode of adopting vibration to assist powder blanking is common, but in the process of continuously vibrating the box body 1 and the blanking hopper 2, the wasted shaking energy is very large, in order to fully collect the shaking energy, the rechargeable power supply module for supplying power to the plc controller is arranged on the counterweight support 21, the conversion vibration energy components for converting the vibration energy to charge to the rechargeable power supply module are arranged between the left counterweight support 21 and the right counterweight support 21 as well as between the left counterweight support 21 and the right counterweight support 1, in the vibrating process of the box body 1, the extension plates 31 on the left side wall and the right side wall are shaken left and right to drive the arc-shaped rod 36 at the upper end of the vertical fixing rod 34 to shake left and right, the fixing cylinders 37 are fixed at the two ends of the arc-shaped rod 36, the main conductor column 38 is inserted into the fixing cylinders 37, and the left and right ends of the, two ends of the upper surface of the fixed cylinder 37 are respectively provided with a guide hole, two ends of the main conductor column 38 respectively penetrate through the guide holes through two wires 40 and then are electrically connected with the rechargeable power module, so that the main conductor column 38 in the fixed cylinder 37 performs left-right shaking type cutting motion between the anode magnetic block 32 and the cathode magnetic block 33, and further generates current, the current is stored in the rechargeable power module through the two wires 40, the anode magnetic block 32 and the cathode magnetic block 33 arranged on the opposite side walls of the left counterweight support 21 and the right counterweight support 21 keep a stable state relative to the box body 1, so that the cutting motion is further facilitated to generate current, the current generation efficiency of the conversion vibration energy components on the left side and the right side is high, the charging efficiency is high, the charged electricity is supplied to a plc controller to operate and control the electromagnetic adsorption block 29 and the transverse moving.

In the embodiment of the present invention, a displacement level mark 30 is provided on the upper surface of the weight support 21 between the control pipe 22 and the traverse cylinder 27.

By adopting the technical scheme, in order to facilitate the operator to manually operate and input data as required to control the displacement driven by the traverse cylinder 27 controlled by the plc controller, a displacement level mark 30 is arranged on the upper surface of the counterweight support 21 and between the control pipe 22 and the traverse cylinder 27.

In the embodiment of the present invention, a lateral reinforcing rod 12 is connected to the side wall of the rotating head 7, a handle 14 is fixed to the end of the lateral reinforcing rod 12, the handle 14 is cylindrical, and a plurality of annular anti-slip grooves 15 are formed in the side wall along the length direction.

Through adopting above-mentioned technical scheme, for the operating personnel of being further convenient for operate rotatory rotating head 7 and control powder unloading volume, be connected with horizontal stiffener 12 on 7 lateral walls of rotating head, horizontal stiffener 12 end fixing has handle 14, for further improving handle 14 and the relative coefficient of friction of hand, is cylindric and lateral wall with handle 14 setting and goes up to be provided with a plurality of annular antiskid groove 15 along length direction.

The invention also discloses a blanking control method of the powder uniform blanking device, which comprises the following steps in the specific embodiment of the invention:

s1, feeding operation: after powder is poured into the box body 1, the falling powder firstly falls onto the material guide disc 13 and moves downwards along the material guide disc 13, the falling powder falls onto the top of the material discharging hopper 2 and downwards along the inner wall of the material discharging hopper 2, so that the powder is rapidly discharged downwards, the screw rod 6 is controlled to lift through the rotating operation rotating head 7, the material blocking box 8 at the lower end of the screw rod 6 can lift and adjust, and the discharging amount and the discharging speed at the bottom of the material discharging hopper 2 are changed;

s2, blanking vibration: in the blanking process, the plc controller controls the power on of the electromagnetic adsorption block 29 to adsorb the metal block 26, after the metal block 26 is adsorbed, the plc controller controls the transverse moving cylinder 27 to move to drive the transverse moving rod 28 at the output end to retract, so as to drive the metal block 26 and the knocking rod 25 to move to the left, so as to drive the sliding plate 23 to compress the power storage spring 24 between the sliding plate 23 and the closed end of the control tube 22, the plc controller controls the transverse moving cylinder 27 to drive for a set time, then the transverse moving cylinder 27 stops operating, meanwhile, the electromagnetic adsorption block 29 loses power to stop adsorbing the metal block 26, the sliding plate 23 is driven to slide towards the box body 1 under the restoring action of the power storage spring 24, the outer side wall of the box body 1 is knocked by the end part of the knocking rod 25, so that the box body 1 and the blanking hopper 2 vibrate, and after vibration, the plc controller controls the transverse moving cylinder 27 to drive the transverse moving rod 28 to push out and reset again, then the electromagnetic adsorption block 29 is electrified again to adsorb the metal block 26, and the accumulated force knocking vibration of the next round is carried out, the plc controller controls the accumulated force knocking time interval of each round to be different, and the operation length of the transverse moving cylinder 27 driving the transverse moving rod 28 to retract is also different;

s3, energy recovery: in the vibration process of the box body 1, the extension plates 31 on the left side wall and the right side wall swing left and right, so that the arc-shaped rods 36 at the upper ends of the vertical fixing rods 34 are driven to swing left and right, the main conductor columns 38 in the fixing cylinders 37 perform left and right swinging type cutting motion between the anode magnetic blocks 32 and the cathode magnetic blocks 33, current is generated, the current is stored in the rechargeable power supply module through the two conducting wires 40, and the charged power is supplied to the plc controller to operate and control the electromagnetic adsorption block 29 and the traverse cylinder 27;

s4, stopping operation: the feeding of the powder is stopped, the plc controller controls the traverse cylinder 27 to drive the traverse rod 28 to push out and reset, at this time, the electromagnetic adsorption block 29 is stopped to be electrified, and the extension plate 31 and the arc-shaped rod 36 stop shaking along with the vibration stop of the box body 1 and the blanking hopper 2.

By adopting the technical scheme, the screw 6 can be controlled to lift through rotating the rotating head 7, and the material blocking box 8 at the lower end of the screw 6 can be lifted and adjusted, so that the effect of changing the blanking amount and the blanking speed at the bottom of the blanking hopper 2 is realized; the plc controller controls the power storage to perform variable-frequency knocking vibration on the box body 1 and the blanking hopper 2, the interval of power storage knocking time of each wheel is different, and the magnitude of the power storage is different, so that the vibration frequency and the amplitude generated by knocking the box body 1 and the blanking hopper 2 through the knocking rod 25 are in a constantly changing state, the natural frequency of each object is different, the effect of the vibration on powder blanking is required to be maximized, and the frequency required to be knocked reaches the natural frequency, so that the effect is optimal by adopting a mode of changing the frequency into the knocking force, the variable-frequency vibrating blanking is assisted, and the material blockage is avoided; the main conductor column 38 in the fixed cylinder 37 performs left-right shaking type cutting movement between the anode magnetic block 32 and the cathode magnetic block 33, so that current is generated, the current is stored in the rechargeable power module through two conducting wires 40, the current generation efficiency of the conversion vibration energy components on the left side and the right side is high, the charging efficiency is high, the charged power is supplied to the plc controller to operate and control the electromagnetic adsorption block 29 and the transverse moving cylinder 27, the production energy consumption is reduced, and the use is convenient.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a powder uniform blanking device, has open-ended box (1) and connects and be hopper-shaped lower hopper (2) of being in box (1) bottom including the top, lower hopper (2) bottom is fixed with mainboard (3) that supply the installation to use, its characterized in that: the powder feeding device is characterized in that a fixing rod (4) is radially fixed at the opening at the top of the box body (1), a threaded sleeve (5) is arranged in the middle of the fixing rod (4), a screw rod (6) is arranged on the threaded sleeve (5) in an up-and-down rotating mode, the upper end of the screw rod (6) is connected with a rotating head (7), and the lower end of the screw rod (6) is connected with a control blanking assembly used for controlling the blanking amount of powder in the blanking hopper (2).

2. The uniform powder blanking device according to claim 1, characterized in that: control unloading subassembly is including setting up stifled workbin (8) at screw rod (6) lower extreme, stifled workbin (8) lateral wall sets to with hopper (2) inner cone wall matched with funnel shaped structure down, stifled workbin (8) top sets to the hemisphere form, stifled workbin (8) top maximum cross section equals with hopper (2) top cross section down, stifled workbin (8) top and bottom are provided with a plurality of last hole (9) that supply the powder to get into respectively and a plurality of lower hole (10) that supply the powder to leak down, stifled workbin (8) top just is located screw rod (6) lateral wall and is fixed with guide plate (13), the relative middle part downward sloping in guide plate (13) edge, the diameter of guide plate (13) is greater than the diameter at stifled workbin (8) top.

3. The uniform powder blanking device according to claim 2, characterized in that: be provided with the suction subassembly that is used for sucking the air in stifled workbin (8) on stifled workbin (8) lateral wall, the suction subassembly is including connecting suction tube (11) on stifled workbin (8) lateral wall and setting up the filter screen at suction tube (11) suction end, be connected with the air exhauster after hopper (2) lateral wall is run through out to suction tube (11) one end, be provided with pulse controller on the air exhauster.

4. The uniform powder blanking device according to claim 2 or 3, characterized in that: the improved powder material blocking and discharging device is characterized in that balance weight support seats (21) are symmetrically arranged on the left side and the right side of the upper surface of the main plate (3), a variable frequency vibration control assembly and a plc controller are arranged on the configuration support seats (21) and used for adjusting variable vibration frequency and vibration amplitude to knock and enable the material blocking box (8) and the lower hopper (2) to vibrate to promote normal powder material discharging, the variable frequency vibration control assembly comprises a control tube (22) which is arranged on the upper surface of the configuration support seats (21) and is far away from the box body (1) and closed at one end, a sliding plate (23) is arranged inside the control tube (22) in a sliding mode, a force storage spring (24) is arranged between the sliding plate (23) and the closed end of the control tube (22), a knocking rod (25) is fixed on the sliding plate (23), one end of the knocking rod (25) penetrates through the force storage spring (24) and then penetrates through the closed end of the control tube (22) to be connected with The device comprises a transverse moving cylinder (27), a transverse moving rod (28) is transversely connected to the output end of the transverse moving cylinder (27), an electromagnetic adsorption block (29) matched with a metal block (26) is arranged at the end of the transverse moving rod (28), the electromagnetic adsorption block (29) and the transverse moving cylinder (27) are respectively electrically connected with a plc controller, the plc controller controls the electromagnetic adsorption block (29) to adsorb the metal block (26) after being electrified and to transversely move in the direction far away from a box body (1) at different time intervals, and a sliding plate (23) extrudes a force storage spring (24) to deform to generate elastic force with different sizes to change vibration frequency and vibration amplitude to knock a material blocking box (8) and a material discharging hopper (2).

5. The uniform powder blanking device according to claim 4, characterized in that: the energy conversion and vibration reduction device is characterized in that a rechargeable power supply module used for supplying power to a plc controller is arranged on the counterweight support (21), a conversion vibration energy component used for converting vibration energy to charge the rechargeable power supply module is arranged between the left counterweight support (21) and the right counterweight support (21) and between the left side wall and the right side wall of the box body (1), the conversion vibration energy component comprises an extension plate (31) fixed at the lower part of the left side wall and the right side wall of the box body (1), and an anode magnetic block (32) and a cathode magnetic block (33) arranged on the opposite side walls of the left counterweight support (21) and the right counterweight support (21), the anode magnetic block (32) and the cathode magnetic block (33) are relatively fixed on the side wall of the counterweight support (21) in a front-back mode and are positioned on the front side and back side of the extension plate (31), a, fixed cylinder (37) are fixed with at arc pole (36) both ends, main conductor post (38) have been inserted in fixed cylinder (37), both ends can be dismantled and be connected with fixed end cover (39) about fixed cylinder (37), fixed cylinder (37) upper surface both ends are provided with the guiding hole respectively, the both ends of main conductor post (38) are worn out respectively behind the guiding hole through two wire (40) and are connected with chargeable power module electricity.

6. The uniform powder blanking device according to claim 5, characterized in that: and a displacement horizontal mark (30) is arranged on the upper surface of the counterweight support (21) and between the control pipe (22) and the transverse moving cylinder (27).

7. The uniform powder blanking device according to claim 1, characterized in that: the anti-skidding device is characterized in that a transverse reinforcing rod (12) is connected to the side wall of the rotating head (7), a handle (14) is fixed to the end portion of the transverse reinforcing rod (12), and the handle (14) is cylindrical and is provided with a plurality of annular anti-skidding grooves (15) in the length direction on the side wall.

8. A blanking control method suitable for the powder uniform blanking device of claim 5, characterized by comprising the following steps:

s1, feeding operation: after powder is poured into the box body (1), the falling powder firstly falls onto a material guide disc (13) and moves downwards along the material guide disc (13), the falling powder falls onto the top of a material discharging hopper (2) and downwards along the inner wall of the material discharging hopper (2), so that the powder is rapidly discharged downwards, a rotating head (7) is operated to control a screw rod (6) to lift, a material blocking box (8) at the lower end of the screw rod (6) can be lifted and adjusted, and the discharging amount and the discharging speed at the bottom of the material discharging hopper (2) are changed;

s2, blanking vibration: in the blanking process, a plc controller controls the electromagnetic adsorption block (29) to be electrified so as to adsorb a metal block (26), after the metal block (26) is adsorbed, the plc controller controls the transverse moving cylinder (27) to act and drives the transverse moving rod (28) at the output end of the transverse moving cylinder to retract so as to drive the metal block (26) and the knocking rod (25) to move towards the left side, so as to drive the sliding plate (23) to compress the force storage spring (24) between the sliding plate (23) and the closed end of the control tube (22), the plc controller controls the transverse moving cylinder (27) to drive the transverse moving cylinder (27) for a set time, then the transverse moving cylinder (27) stops running, meanwhile, the electromagnetic adsorption block (29) loses power to stop adsorbing the metal block (26), the sliding plate (23) is driven to slide towards the box body (1) under the restoring action of the force storage spring (24), and the end part of the knocking rod (25) is used for knocking the outer side wall of the box body (1), the box body (1) and the blanking hopper (2) vibrate, after vibration, the plc controller controls the transverse moving cylinder (27) to drive the transverse moving rod (28) to push out and reset, then the electromagnetic adsorption block (29) obtains electricity again to adsorb the metal block (26), and then the next round of accumulated force knocking vibration is carried out, the plc controller controls the interval of accumulated force knocking time of each round to be different, and meanwhile, the operation duration of the transverse moving cylinder (27) driving the transverse moving rod (28) to retract is also different;

s3, energy recovery: in the vibration process of the box body (1), the extension plates (31) on the left side wall and the right side wall of the box body swing left and right, so that the arc-shaped rods (36) at the upper ends of the vertical fixing rods (34) are driven to swing left and right, main conductor columns (38) in the fixing cylinders (37) perform left and right swinging type cutting motion between the anode magnetic blocks (32) and the cathode magnetic blocks (33), current is generated and stored in the rechargeable power supply module through two leads (40), and the charged power is supplied to the plc controller to operate and control the electromagnetic adsorption blocks (29) and the transverse moving cylinder (27);

s4, stopping operation: stopping feeding powder, controlling a transverse moving cylinder (27) by a plc controller to drive a transverse moving rod (28) to push out and reset, stopping electrifying an electromagnetic adsorption block (29) at the moment, and stopping shaking an extension plate (31) and an arc-shaped rod (36) along with the vibration stop of a box body (1) and a blanking hopper (2).