CN217294944U - No-drop filling device - Google Patents

Abstract

The utility model discloses a fall-free filling device, which is characterized by comprising a frame and a filling mechanism arranged on the frame, wherein the filling mechanism comprises a lifting device arranged on the frame and a filling cylinder arranged on the lifting device, and the lifting device is used for driving the filling cylinder to move up and down relative to the frame; the bottom of the pouring cylinder is provided with a pouring port, and a third cover body is arranged on the pouring port; when the third cover body opens the filling opening, the material in the filling opening is guided to slide down along the surface of the third cover body. The utility model discloses a reduction fills the mouth when filling and the difference in height of packing bottom or material level, effectively ensures the less condition of no drop or drop, realizes the filling mode of no drop.

Description

No drop filling device

Technical Field

The utility model relates to a material filling technical field especially relates to a no drop filling device.

Background

This section merely provides background information related to the present application so as to enable those skilled in the art to more fully and accurately understand the present application, which is not necessarily prior art.

The filling machine is used for filling materials, mainly comprises a powder filling machine and a liquid filling machine, and is suitable for quantitatively filling powdery and granular materials such as pesticides, veterinary drugs, premix, additives, milk powder, starch, seasonings, enzyme preparations, feeds and the like.

The filling mode of current powder liquid filling machine is all directly through the filling pipe filling in the top of wrapping bag sack, has the interval between the bag end of the filling mouth in the filling pipe and wrapping bag to the powder can produce the drop when the filling, produces the negative pressure easily like this, because the quality of powder is lighter moreover, thereby arouses the raise dust easily, and these raise dusts are to site operation personnel, to processing equipment and processing effect all unfriendly. In addition, the existing powder filling machine also has the problem of easily causing dust during weighing.

In addition, the existing powder filling machine usually only depends on screw conveying to realize quantitative control in the aspect of weighing, but the screw conveying weighing precision is insufficient, the error is large, so the weighing mode can be accepted for the packaged products with large weight such as 10KG, but the weight of the packaged products with light weight needs to be controlled manually.

It can be seen that the existing powder filler technology still has deficiencies and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a no drop filling device realizes the filling mode that no drop does not have the raise dust in the operation process.

The utility model discloses a following technical scheme realizes: the utility model provides a no drop filling device, includes the frame and sets up filling mechanism in the frame, filling mechanism is including setting up elevating gear in the frame and setting up a section of thick bamboo that irritates on the elevating gear, wherein:

the lifting device is used for driving the perfusion cylinder to move up and down relative to the frame;

the bottom of the pouring cylinder is provided with a pouring port, and a third cover body is arranged on the pouring port; when the third cover body opens the pouring opening, the materials in the pouring opening are guided to slide down along the surface of the third cover body.

Therefore, the utility model can drive the filling cylinder to lift relative to the frame through the lifting device, effectively reduce the height difference between the filling opening and the bottom of the package or the material surface during filling, thereby realizing the condition of no drop or small drop and further effectively avoiding the condition of dust flying during filling the powdery material; further, be provided with the third lid on filling the mouth to better guide when filling mouthful material along the surperficial landing of third lid, replaced the direct mode that drops of traditional material from this through the mode of guide material landing, and then the difference in height of filling mouth and packing bottom or material level when further reduction is filled, effectively ensure not have the drop or the less condition of drop, realize the filling mode that does not have the drop.

In one embodiment, the third cover body is conical and can move up and down relative to the pouring opening.

In one embodiment, a third driving cylinder for driving the third cover body to move up and down is arranged on the irrigation cylinder, a third transmission rod is connected to the third cover body, and the third transmission rod is in transmission connection with the third driving cylinder.

In one embodiment, a third socket for guiding the third transmission rod is arranged on the outer wall of the irrigation cylinder, and the third transmission rod is connected to the third socket in a penetrating manner.

In one embodiment, the third cover body is plate-shaped and can be turned over relative to the pouring opening.

In one embodiment, the lifting device comprises a linear guide rail, a sliding seat arranged on the linear guide rail, a chain in transmission connection with the sliding seat, a pulley for providing steering for the chain, and a third driving motor for driving the chain to rotate, wherein the sliding seat is fixedly connected with the perfusion cylinder.

In one embodiment, the rack is provided with sensors for detecting the position of the sliding seat, and the sensors are provided with at least two sensors which are distributed up and down.

In one embodiment, the sensor is a detection photo eye.

In one embodiment, the machine frame is provided with stop blocks for providing a buffer effect for the up-and-down movement of the sliding seat, and the stop blocks are provided with at least two blocks which are distributed up and down.

In one embodiment, the bag opening mechanism is arranged on the rack and comprises a fourth driving cylinder, a fourth driving plate arranged at the driving end of the fourth driving cylinder, a connecting rod structure hinged to the fourth driving plate, a rotating shaft in transmission connection with the connecting rod structure, and a separating plate arranged on the rotating shaft, wherein the fourth driving cylinder drives the fourth driving plate to move so as to drive the separating plate to rotate.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model can drive the filling cylinder to lift relative to the frame through the lifting device, effectively reducing the height difference between the filling opening and the bottom of the package or the material surface during filling, thereby realizing the condition of no or small drop, and further effectively avoiding the dust flying during filling the powdery material; further, be provided with the third lid on filling the mouth to better guide when filling mouthful material along the surperficial landing of third lid, replaced the direct mode that drops of traditional material from this through the mode of guide material landing, and then the difference in height of filling mouth and packing bottom or material level when further reduction is filled, effectively ensure not have the drop or the less condition of drop, realize the filling mode that does not have the drop.

Drawings

Fig. 1 is a schematic view of a first-angle three-dimensional structure of the non-drop filling system of the present invention;

fig. 2 is a schematic perspective view of the second angle of the non-drop filling system of the present invention;

fig. 3 is a schematic diagram of the internal structure of the drop-free filling system of the present invention;

fig. 4 is a schematic view of a first angle of a non-dust weighing and metering device in the non-drop filling system of the present invention;

fig. 5 is a schematic perspective view of a second angle of the non-dusting weighing and metering device in the non-drop filling system of the present invention;

fig. 6 is a schematic perspective view of a first angle of a non-drop filling device in the non-drop filling system of the present invention;

fig. 7 is a schematic perspective view of a second angle of the non-drop filling device in the non-drop filling system of the present invention;

fig. 8 is the internal structure diagram of the non-drop filling device in the non-drop filling system of the present invention.

The reference symbols in the figures represent the following meanings: 100. a frame; 200. a weighing device; 300. a weighing cylinder; 3001. a second feed port; 3002. a second feed opening; 400. a dust cover; 4001. a first feed port; 4002. a dust collection pipe; 5. a second cover body; 6. filling a cylinder; 61. a third feed inlet; 62. an infusion port; 7. a third cover body; 8. a third driving cylinder; 9. a third transmission rod; 10. a third ferrule; 32. a first drive plate; 11. a second driving cylinder; 12. a second transmission rod; 42. a second sleeving pipe; 33. a second drive plate; 34. a first drive shaft; 35. a first transmission plate; 13. a linear guide rail; 14. a sliding seat; 15. a chain; 16. a pulley; 17. a third drive motor; 18. a chute; 36. a first connecting plate; 19. a sensor; 20. a stop block; 21. a storage bin; 211. a screw delivery port; 212. a material storage cavity; 22. a first cover body; 37. a fourth drive cylinder; 38. a fourth drive plate; 39. a connecting rod structure; 40. a rotating shaft; 41. a separation plate; 43. a panel; 23. a first drive motor; 24. a screw delivery shaft; 25. a conical diversion table; 26. a lever fulcrum; 27. a lever; 28. a first driving cylinder; 29. a first drive lever; 30. a second drive motor; 31. a stirring shaft.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As shown in fig. 1-8, the utility model firstly discloses a weighing and metering device without dust, which comprises a frame 100 and a weighing mechanism arranged on the frame 100, wherein the weighing mechanism comprises a weighing device 200 arranged on the frame 100 and a weighing cylinder 300 arranged on the weighing device 200, and the weighing device 200 is used for weighing the weighing cylinder 300; the weighing barrel 300 is provided with a second feeding hole 3001 and a second discharging hole 3002 respectively, the second feeding hole 3001 is covered with a dust cover 400, the dust cover 400 is provided with a first feeding hole 4001, and the second discharging hole 3002 is provided with a second cover body 5 for opening and closing the second discharging hole 3002.

During the use, put into powdered material in the section of thick bamboo 300 toward weighing through second feed inlet 3001, so, can obtain the accurate weight of putting into the material through weighing device 200. Wherein, because the second feed inlet 3001 upper cover in the section of thick bamboo 300 of weighing has closed dust cover 400 and second feed opening 3002 upper cover has closed second lid 5, and then when effectually avoiding puting in powdered material, the condition that the dust flies upward can appear in the outside of the section of thick bamboo 300 of weighing to realize no raise dust weighing metering mode.

Therefore, the utility model discloses a weighing device 200 that sets up carries out the accuracy to a section of thick bamboo 300 of weighing and weighs to the condition that the dust flies upward appears when utilizing the second lid 5 on dust cover 400 on the second feed inlet 3001 and the second feed opening 3002 to prevent to put in powdered material, thereby realizes the no raise dust weighing metering mode.

The utility model discloses a drop-free filling device, which comprises a frame 100 and a filling mechanism arranged on the frame 100, wherein the filling mechanism comprises a lifting device arranged on the frame 100 and a filling cylinder 6 arranged on the lifting device, and the lifting device is used for driving the filling cylinder 6 to move up and down relative to the frame 100; the bottom of the pouring cylinder 6 is provided with a pouring port 62, and the pouring port 62 is provided with a third cover body 7; when the third cover 7 opens the pouring port 62, the material in the pouring port 62 is guided to slide down along the surface of the third cover 7.

When the automatic filling machine is used, a packaging bag to be filled is placed below the filling cylinder 6 in an opening state, so that the filling cylinder 6 is controlled by the lifting device to move downwards along the direction of the packaging bag, the filling opening 62 extends into the packaging bag and is positioned above the bottom of the packaging bag, when the third cover body 7 opens the filling opening 62, materials in the filling opening 62 are guided to gradually slide downwards along the upper surface of the third cover body 7 and slide to the bottom of the packaging bag to realize blanking and filling, then the filling cylinder 6 is controlled by the lifting device to slowly move upwards to form continuous filling, no drop (or a small drop) is always ensured between the filling opening 62 and the bottom of the packaging bag or between the filling opening and the material surface, and therefore, the mode that traditional materials directly fall is replaced by the mode that the materials are guided to slide downwards, and the condition that dust flies when powdery materials are filled is effectively avoided, realizing the filling mode without fall.

Therefore, the utility model can drive the pouring cylinder 6 to lift relative to the frame 100 through the lifting device, effectively reduce the height difference between the pouring opening 62 and the bottom of the package or the material surface during pouring, thereby realizing the condition of no drop or small drop, and further effectively avoiding the condition of dust flying during pouring the powdery material; further, be provided with third lid 7 on pouring into mouth 62 to the material in better guide pouring into mouth 62 when filling has replaced the mode that traditional material directly dropped through the mode of guide material landing along the surface of third lid 7 landing, and then the difference in height of pouring into mouth 62 and packing bottom or material level when further reducing and filling, effectively ensure not have the drop or the less condition of drop, realize the filling mode that does not have the drop.

The utility model also discloses a no drop filling system, including frame 100 and weighing mechanism and the perfusion mechanism that sets up respectively on frame 100, weighing mechanism is including setting up the weighing device 200 on frame 100 and setting up the section of thick bamboo 300 of weighing on weighing device 200, is provided with second feed inlet 3001 and second feed opening 3002 on the section of thick bamboo 300 of weighing, is provided with the second lid 5 that is used for switching second feed opening 3002 on the second feed opening 3002; the filling mechanism comprises a filling cylinder 6 and a lifting device for driving the filling cylinder 6 to move up and down, the filling cylinder 6 is provided with a third feed port 61 and a filling port 62, and a second feed port 3002 can extend into the filling cylinder 6 through the third feed port 61 and corresponds to the filling port 62; the pouring opening 62 is provided with a third cover 7, and when the third cover 7 opens the pouring opening 62, the third cover 7 guides the material in the pouring opening 62 to slide down along the surface of the third cover 7.

When in use, the packaging bag to be filled is placed below the filling cylinder 6 in an open state. In the step of weighing, the material in the weighing barrel 300 is accurately weighed through the weighing device 200, the weight of the thrown material is obtained, and when the weight requirement is met, the material is stopped to be thrown into the weighing barrel 300. In the feeding step, the lifting device drives the filling cylinder 6 to ascend toward the second feed opening 3002, the second feed opening 3002 extends into the filling cylinder 6 through the third feed opening 61 and is located above the filling opening 62 and corresponds to the filling opening 62, and then the second feed opening 3002 is opened through the second cover 5, so that the material in the weighing cylinder 300 flows into the filling cylinder 6. The advantage that so set up lies in, has reduced the difference in height between second feed opening 3002 and the mouth 62 that fills when the unloading to avoid second feed opening 3002 to have great drop between the unloading and fill the mouth 62, the condition that dust flies upward appears when effectively avoiding the unloading. Further, in the step of filling, drive the direction descending movement of a filling section of thick bamboo 6 toward the wrapping bag through elevating gear, and stretch into filling mouth 62 and be located the top of wrapping bag bottom in the wrapping bag, therefore, when third lid 7 opened filling mouth 62, with the material of guide in the filling mouth 62 along the upper surface downward landing gradually of third lid 7, and the landing is to the bottom of wrapping bag, realize the blanking and fill, then control filling section of thick bamboo 6 through elevating gear and rise slowly and remove and form continuous filling, and guarantee throughout that filling mouth 62 does not have the drop (or form less drop) with the height of packing bottom or material level, thereby effectively avoid appearing the condition that dust flies upward when filling powdered material, realize the filling mode of no drop.

Therefore, the utility model discloses earlier carry out the accuracy through the weighing device 200 that sets up and weigh a section of thick bamboo 300 of weighing, guarantee weight precision. Then through the elevating gear who sets up in order to drive the relative frame 100 lift of a section of thick bamboo 6 of irritating to in the unloading step, can drive a section of thick bamboo 6 of irritating through elevating gear and rise, reduced the difference in height between second feed opening 3002 and the mouth 62 of pouring, thereby avoid second feed opening 3002 when the unloading and fill and have great drop between the mouth 62, the condition that dust flies upward appears when effectively avoiding the unloading. In the filling step, the lifting device drives the filling cylinder 6 to move downwards so as to enable the filling opening 62 to extend into the packaging bag and be positioned above the bottom of the packaging bag, and the filling opening passes through the arranged third cover body 7, so as to guide the material in the filling opening 62 to slide down gradually along the upper surface of the third cover body 7 and slide to the bottom of the packaging bag, thereby realizing blanking and filling, then the elevating gear controls the filling cylinder 6 to slowly move upwards to form continuous filling, and the height of the filling opening 62 and the bottom of the package or the material surface is always ensured to have no fall (or form a smaller fall), thereby replacing the traditional mode of directly dropping the material by the mode of guiding the material to slide, therefore, the condition that dust flies when powdery materials are filled is effectively avoided, full-automatic operation of weighing, blanking and filling in the non-drop filling system is realized, and a non-drop and non-dust filling mode is realized in the operation process.

In the embodiment, the weighing cylinder 300 and the filling cylinder 6 have the same shape, and the weighing cylinder 300 is sleeved in the filling cylinder 6.

In practical application, the packaging bag can be conveyed to the lower part of the filling cylinder 6 by arranging a conveying belt or adopting a turntable mode, so that automatic conveying is realized.

The weighing apparatus 200 includes a weigh frame and a load cell 19 disposed within the weigh frame.

Wherein, fill mouth 62 and be hopper-shaped, so set up can be effectual the material that assembles.

The third lid 7 may be provided in various shapes and opened in various ways. For example, in one embodiment, the third cover 7 is in a plate shape, and the third cover 7 can be turned relative to the pouring port 62, that is, the third cover 7 is turned downward to form an inclined angle, so as to guide the material in the pouring port 62 to slide down along the upper surface of the third cover 7. Of course, the third cover 7 may also be groove-shaped, and the third cover 7 may also be turned downward to form an inclined angle, so as to guide the material in the pouring opening 62 to slide down along the upper surface of the third cover 7. As another example, in one embodiment, the third cover 7 is conical and the third cover 7 can move up and down relative to the pouring opening 62, so that when the third cover 7 moves down to open the pouring opening 62, the conical surface is used to guide the material in the pouring opening 62 to slide down and the material is not easy to adhere to the third cover 7.

Wherein, be provided with on the section of thick bamboo 6 and be used for driving the third lid 7 third drive actuating cylinder 8 that reciprocates, be connected with third transfer line 9 on the third lid 7, third transfer line 9 and the transmission of third drive actuating cylinder 8 are connected. The third cover body 7 can be driven to move up and down only by the stretching of the third driving cylinder 8 and the transmission fit of the third transmission rod 9, and the structure is simple and the use is reliable. It should be noted that the transmission connection between the third driving cylinder 8 and the third cover 7 has various implementations, and is not limited herein, and in this embodiment, the driving end of the third driving cylinder 8 is connected to the first driving plate 32, the third transmission rods 9 are provided with two, one end of the two third transmission rods 9 is connected to the first driving plate 32, and the other end of the two third transmission rods 9 is connected to the third cover 7.

Wherein, the outer wall of the pouring cylinder 6 is provided with a third sleeving pipe 10 for providing guidance for the third transmission rod 9, and the third transmission rod 9 is connected on the third sleeving pipe 10 in a penetrating way, so that the stability of the third transmission rod 9 during moving is improved.

The second cover 5 is conical, and when the second cover 5 opens the second material outlet 3002, the material in the second material outlet 3002 is guided to slide down along the surface of the second cover 5. Similarly, when the second cover 5 moves downward to open the second feed opening 3002, the inclined surface of the cone itself is used to guide the material in the second feed opening 3002 to slide downward and the material is not easily adhered to the second cover 5.

The weighing cylinder 300 is provided with a second driving cylinder 11 for driving the second cover 5 to move up and down, the second cover 5 is connected with a second transmission rod 12, and the second transmission rod 12 is in transmission connection with the second driving cylinder 11. In a similar way, the second cover body 5 can be driven to move up and down only by the telescopic action of the second driving cylinder 11 and the transmission fit of the second transmission rod 12, and the structure is simple and the use is reliable. It should be noted that, there are various implementation manners for the transmission connection between the second driving cylinder 11 and the second cover 5, and this implementation manner is not limited herein, in this embodiment, a second driving plate 33 is connected to a driving end of the second driving cylinder 11, two first transmission shafts 34 are arranged on the second driving plate 33, one first transmission plate 35 is connected to each first transmission shaft 34, and one second transmission rod 12 is arranged on each first transmission plate 35.

A second socket 42 for guiding the second transmission rod 12 is arranged on the outer wall of the weighing cylinder 300, and the second transmission rod 12 is threaded onto the second socket 42.

The lifting device has various structures, for example, the lifting device includes a linear guide rail 13, a sliding seat 14 disposed on the linear guide rail 13, a chain 15 in transmission connection with the sliding seat 14, a pulley 16 for providing a turning direction for the chain 15, and a third driving motor 17 for driving the chain 15 to rotate, and the sliding seat 14 is fixedly connected to the pouring cylinder 6. In this embodiment, linear guide 13 sets up along vertical direction, third driving motor 17 sets up the bottom at frame 100, pulley 16 is provided with two and distributes at the upper and lower both ends of frame 100, chain 15 twines on two pulleys 16 and links to each other with third driving motor 17's transmission end, sliding seat 14 then links to each other with chain 15 is fixed, frame 100 is the square and has seted up spout 18 on frame 100's the panel 43, be provided with two first connecting plate 36 on the sliding seat 14, two first connecting plate 36 pass spout 18 and fill a section of thick bamboo 6 fixed link to each other. In this way, when the third driving motor 17 drives the chain 15 to rotate, the sliding seat 14 is driven to move up and down along the guide of the linear guide 13, so as to drive the irrigation cylinder 6 to move up and down along the guide of the linear guide 13.

Wherein, a sensor 19 for detecting the position of the sliding seat 14 is arranged on the frame 100, and at least two sensors 19 are arranged and distributed up and down. In this embodiment, two sensors 19 are disposed and distributed at the upper and lower ends of the linear guide 13, so that when the sliding seat 14 slides to the top or the bottom, the sensor 19 can sense the position of the filling cylinder 6.

Specifically, the sensor 19 is a detection photo eye.

Wherein, the machine frame 100 is provided with a stop block 20 for providing a buffer effect for the up-and-down movement of the sliding seat 14, and the stop block 20 is provided with at least two blocks which are distributed up and down. In this embodiment, the stop blocks 20 are disposed at two ends of the sliding seat 14, which move up and down, so as to provide a buffer stop function for the sliding seat 14 at one end of the sliding seat 14.

Specifically, the stop block 20 is made of silica gel or rubber.

Wherein, the second feed inlet 3001 is covered with a dust cover 400, the dust cover 400 is provided with a first feed inlet 4001 and a dust absorption opening, and the dust absorption opening is provided with a dust absorption pipe 4002 for connecting with the outside. When preventing to drop in the material in the section of thick bamboo 300 of weighing through the dust cover 400 that sets up from this, the material flies upward to the outside, and is further, and the dust absorption pipe 4002 of setting is used for external dust collecting equipment, so can carry out the suction through the dust absorption mouth in the dust cover 400 to the material that flies upward on the section of thick bamboo 300 of weighing, and further effectively avoid the material to fly upward to the outside.

Wherein, still including setting up the screw conveying mechanism on frame 100, screw conveying mechanism includes storage silo 21, is provided with spiral delivery port 211 and is used for the first lid 22 of switching spiral delivery port 211 on the storage silo 21, and spiral delivery port 211 stretches into in the dust cover 400 through first feed inlet 4001. So, can realize the quantitative transport of material through screw conveyer mechanism, for throwing in quantitative material in the section of thick bamboo 300 of weighing to can carry the accurate of cooperation weighing device 200 to weigh through screw conveyer mechanism's ration, realize weighing the quick weighing of the interior material of section of thick bamboo 300, effectual improve equipment's machining efficiency.

The bag opening mechanism comprises a fourth driving air cylinder 37, a fourth driving plate 38 arranged at the driving end of the fourth driving air cylinder 37, a connecting rod structure 39 hinged to the fourth driving plate 38, a rotating shaft 40 in transmission connection with the connecting rod structure 39 and a separating plate 41 arranged on the rotating shaft 40, wherein the fourth driving air cylinder 37 drives the fourth driving plate 38 to move so as to drive the separating plate 41 to rotate. Through the bag opening mechanism, the bag opening of the packaging bag can be opened in the filling step, so that the filling opening 62 of the filling cylinder 6 can smoothly extend into the packaging bag. In the prior art, a bag opening mechanism for realizing bag opening has various structures.

Wherein, the storage bin 21 is provided with a first driving motor 23; a storage cavity 212 is arranged in the storage bin 21, a screw conveying shaft 24 is arranged in the storage cavity 212, one end of the screw conveying shaft 24 extends into the spiral conveying opening 211, and one end of the screw conveying shaft 24 extends to the outside of the storage bin 21 and is in transmission connection with the first driving motor 23. That is, the first driving motor 23 drives the screw conveying shaft 24 to rotate, so that the material moves along the spiral blade of the screw conveying shaft 24, and the feeding and conveying of the material are realized.

Wherein, the bottom of the screw conveying shaft 24 is provided with a conical diversion table 25, a second feed opening 3002 is formed between the conical diversion table 25 and the bottom of the storage bin 21, and the first cover 22 is cylindrical and is sleeved outside the second feed opening 3002. So, when first lid 22 rebound, can let second feed opening 3002 expose to let the material slide the whereabouts along the inclined plane of toper water conservancy diversion platform 25, realize putting in of material, its simple structure is reliable, and moreover, the screw rod is carried axle 24 and is in the continuous pivoted state when putting in the material, more is favorable to letting the material slide the whereabouts, is difficult to pile up on toper water conservancy diversion platform 25.

The storage bin 21 is further provided with a driving device for controlling the opening and closing of the first cover 22, the driving device comprises a lever fulcrum 26, a lever 27 connected to the lever fulcrum 26 in a switching manner, and a first driving cylinder 28 for driving the lever 27 to rotate, one end of the lever 27 is rotatably connected with the driving end of the first driving cylinder 28, the first cover 22 is connected with a first transmission rod 29, and the other end of the lever 27 is rotatably connected with the first transmission rod 29. Thus, when the first driving cylinder 28 is extended, one end of the lever 27 is pressed, and at this time, the other end of the lever 27 moves upward, so that the first driving rod 29 and the first cover 22 connected to the first driving rod 29 are pulled to move upward, thereby opening the second opening 3002 to expose the second opening 3002. On the contrary, when the first driving cylinder 28 contracts, one end of the lever 27 is pulled up, and at this time, the other end of the lever 27 moves downward, thereby pushing the first driving rod 29 and the first cover 22 connected to the first driving rod 29 to move downward, thereby closing the second discharging opening 3002 so as not to expose the second discharging opening 3002. That is, in this structure, the opening and closing of the first lid 22 is realized by the principle of the lever 27, and the structure is simple and reliable.

Wherein, the end of the lever 27 connected with the first transmission rod 29 is arranged in a U shape, two first transmission rods 29 are arranged, one end of each of the two first transmission rods 29 is connected to the two ends of the U shape of the lever 27, and the other end of each of the two first transmission rods 29 is connected to the first cover 22. That is, one end of the first transmission rod 29 is formed in a U shape, so that it is convenient to provide two first transmission rods 29 connected to the first cover 22, respectively, and stability of the first cover 22 during up and down movement is improved.

Wherein, the storage bin 21 is provided with a second driving motor 30; the storage cavity 212 is further provided with a stirring shaft 31, and one end of the stirring shaft 31 extends to the outside of the storage bin 21 and is in transmission connection with the second driving motor 30. From this, put into storage silo 21 as the material, can utilize (mixing) shaft 31 stirring to make the material evenly distributed, avoid piling up in one of them side.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The fall-free filling device is characterized by comprising a rack and a filling mechanism arranged on the rack, wherein the filling mechanism comprises a lifting device arranged on the rack and a filling barrel arranged on the lifting device, and the fall-free filling device is characterized in that:

the lifting device is used for driving the perfusion cylinder to move up and down relative to the frame;

the bottom of the pouring cylinder is provided with a pouring port, and a third cover body is arranged on the pouring port; when the third cover body opens the pouring opening, the material in the pouring opening is guided to slide down along the surface of the third cover body.

2. The drop height-free filling device according to claim 1, wherein the third cover body is conical and can move up and down relative to the filling opening.

3. The drop height-free filling device according to claim 2, wherein a third driving cylinder for driving the third cover body to move up and down is arranged on the filling cylinder, a third transmission rod is connected to the third cover body, and the third transmission rod is in transmission connection with the third driving cylinder.

4. The drop height-free filling device according to claim 3, wherein a third adapter for guiding the third transmission rod is arranged on the outer wall of the filling cylinder, and the third transmission rod is connected to the third adapter in a penetrating manner.

5. The drop height-free filling device according to claim 1, wherein the third cover body is plate-shaped and can be turned over with respect to the filling opening.

6. The drop height-free filling device according to claim 1, wherein the lifting device comprises a linear guide rail, a sliding seat arranged on the linear guide rail, a chain in transmission connection with the sliding seat, a pulley for providing a turning direction for the chain, and a third driving motor for driving the chain to rotate, and the sliding seat is fixedly connected with the filling cylinder.

7. The drop height-free filling device according to claim 6, wherein the frame is provided with at least two sensors for detecting the position of the sliding seat, and the sensors are distributed up and down.

8. The drop height-free filling device according to claim 7, wherein the sensor is a detection photo eye.

9. The drop height-free filling device according to claim 6, wherein the frame is provided with stop blocks for providing a buffer effect for the up-and-down movement of the sliding seat, and the stop blocks are provided with at least two blocks which are distributed up and down.

10. The drop height-free filling device according to claim 1, further comprising a bag opening mechanism arranged on the frame, wherein the bag opening mechanism comprises a fourth driving cylinder, a fourth driving plate arranged at a driving end of the fourth driving cylinder, a connecting rod structure hinged to the fourth driving plate, a rotating shaft in transmission connection with the connecting rod structure, and a separating plate arranged on the rotating shaft, and the fourth driving cylinder drives the fourth driving plate to move so as to drive the separating plate to rotate.

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