Automatic quantitative powder packaging machine

Abstract

The utility model provides an automatic quantitative powder packaging machine, which relates to the technical field of powder packaging machines, and comprises a packaging machine main body, a proportional valve, a discharge pipe, a discharge rate adjusting structure, a powder feeding mechanism, a powder feeding mechanism, a powder feeding mechanism, a powder feeding mechanism, a powder feeding mechanism, a powder feeding mechanism, a powder feeding mechanism and a powder feeding mechanism, wherein the upper end of the discharge pipe is coaxially and fixedly connected with the output end of the packaging machine main body; the installation support is assembled on a discharging pipe preventing dust from overflowing, the lifting supporting base is assembled at the lower end of the installation support, and the lower edge of the conveying belt is fixedly assembled at the upper end of the lifting supporting base; the filling and discharging speed is adjusted through the discharging speed adjusting structure, and raised dust can be reduced by reducing the discharging speed; according to the discharging pipe capable of preventing the dust from overflowing, the dust overflowing preventing structure is buckled to the upper end of the container to be filled in the discharging and filling process, raised dust is directly shielded, filling is completed after the discharging pipe is static and the raised dust falls back into the container to be filled, and the phenomenon that the raised dust overflows is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of powder packaging machines, in particular to an automatic quantitative powder packaging machine. Background Art

[0002] Powder packaging machines are suitable for quantitative packaging of powdered, powdered, and powdered materials in the chemical, food, and agricultural and sideline products industries, such as milk powder, starch, pesticides, and condiments. They generally have functions such as automatic quantitative packaging, automatic filling, and automatic adjustment of measurement errors. At present, the progress of the packaging industry has greatly promoted the development of industries such as food and daily chemicals. The development of these industries in turn has further stimulated the demand for the packaging market, giving the packaging industry a huge market impetus. With the development of functional packaging materials and the continuous improvement of processing technology, packaging is playing an increasingly important role in many fields, and packaging machinery has been applied in industries such as food and daily chemical packaging.

[0003] The existing automatic quantitative powder packaging machine will generate a lot of dust when feeding. The dust usually floats with the air, affecting the working environment of the staff, causing waste of raw materials, and reducing the accuracy of quantitative measurement. Utility Model Content

[0004] The utility model aims to provide an automatic quantitative powder packaging machine, which adjusts the filling and discharging rate through a discharging rate regulating structure, and can reduce dust generation by reducing the discharging rate; a discharging pipe that prevents dust from overflowing is buckled on the upper end of a container to be filled during the discharging and filling process, and the dust is directly blocked. The filling is completed after the machine is stationary until the dust falls back into the container to be filled, thereby avoiding the occurrence of dust overflow.

[0005] The utility model provides an automatic quantitative powder packaging machine, comprising:

[0006] Packaging machine body;

[0007] A mounting bracket, the upper end of which is fixedly mounted on the packaging machine body;

[0008] A feeding hopper with a crushing function, the lower end of which is fixedly connected to the upper surface of the packaging machine body;

[0009] A quantitative valve, the upper end of which is coaxially fixedly connected to the output end of the packaging machine body, and the quantitative valve is electrically connected to an external controller;

[0010] The upper end of the discharge pipe to prevent dust from overflowing is coaxially fixedly connected with the lower end of the metering valve;

[0011] A discharge rate adjustment structure, which is mounted on a discharge pipe to prevent dust from spilling out;

[0012] A lifting support base, which is assembled at the lower end of the mounting bracket;

[0013] A conveyor belt, which is arranged transversely, and the lower edge of the conveyor belt is fixedly assembled on the upper end of the lifting support base;

[0014] The dust-proof discharge pipe comprises:

[0015] The upper end of the tube body is coaxially fixedly connected with the lower end of the quantitative valve;

[0016] A conical tube, with its smaller end facing downward, the upper end of the conical tube being coaxially fixedly connected to the lower end of the tube body, and the lower end of the conical tube being coaxially fixedly connected to a straight tube;

[0017] The dust-proof structure is installed on the straight pipe.

[0018] As a further optimization solution, in order to prevent part of the powder from flying out during the discharging and filling process, causing a decrease in quantitative accuracy, the dust prevention structure includes:

[0019] An annular plate is slidably sleeved on the lower end of the outer wall of the straight tube, a rubber layer is glued and fixed to the bottom surface of the annular plate, and a spring is fixedly connected between the left and right sides of the outer wall of the tapered tube and the same side of the upper surface of the annular plate;

[0020] A through hole is provided on the annular plate and the rubber layer. The through hole is located near the inner edge of the annular plate. A filter screen is adhered and fixed to the inner wall of the through hole.

[0021] As a further optimization scheme, in order to adjust and control the discharge rate, the discharge rate adjustment structure includes:

[0022] A micro motor is fixedly mounted in the middle of the outer wall of the tube;

[0023] A rotating rod, one end of which is rotatably connected to the middle of the inner wall of the tube body, and the other end of the rotating rod penetrates the outer wall of the tube body, and the rotating shaft of the micro motor is fixedly connected to the end of the rotating rod penetrating the tube body through a coupling;

[0024] The circular plate is arranged horizontally, the middle part of the circular plate is fixedly sleeved on the rotating rod, the upper and lower edges of the circular plate are both rounded, and a gap is left between the outer wall of the circular plate and the inner wall of the tube body.

[0025] As a further optimization solution, in order to support and fix the device, the mounting bracket includes:

[0026] Two supporting bottom plates are symmetrically distributed on the left and right, and the two supporting bottom plates are in contact with the bottom surface of the packaging machine body on the same side;

[0027] Back plates, which are distributed on the left and right sides, the lower end of the back plate is fixedly connected to the rear end of the supporting bottom plate on the same side, and the back plate is attached to the rear wall of the packaging machine body;

[0028] There are four support columns, which are distributed in a rectangular shape, the upper ends of the four support columns are fixedly connected to the bottom surfaces of the left and right support base plates, and the lifting support base is assembled on the lower ends of the four support columns;

[0029] There are two limit grooves distributed on the left and right sides, and the two limit grooves are opened on the same side of the lower edge of the outer wall of the packaging machine body;

[0030] There are two limit blocks distributed on the left and right sides. The limit blocks are arranged corresponding to the limit slots. The lower ends of the limit blocks are fixedly connected to the support bottom plate on the same side, and the limit blocks are inserted into the corresponding limit slots.

[0031] As a further optimization solution, in order to achieve an anti-skid effect, an anti-skid pad is adhered and fixed to the bottom surface of the support column.

[0032] As a further optimization solution, in order to facilitate the adjustment of the height of the conveyor belt and thus be suitable for filling containers of different sizes, the lifting support base includes:

[0033] There are four strip grooves, which are respectively longitudinally opened at the lower ends of the inner sides of the four support columns, and the bottom surfaces of the strip grooves are vertically fixed with electric push rods, which are electrically connected to an external controller after being connected in parallel;

[0034] A horizontal plate, the front and rear sides of the left and right ends are fixedly equipped with sliders, the horizontal plate is slidably assembled in the four strip grooves through four sliders, the telescopic upper end of the electric push rod is fixedly connected to the corresponding slider, and the front and rear sides of the left and right ends of the upper surface of the horizontal plate are fixedly equipped with support blocks.

[0035] As a further optimization solution, in order to package the powder, the packaging machine body includes:

[0036] An upper shell having an opening at the lower end;

[0037] A conical lower cover body, the upper end of which is fixedly connected to the lower end of the upper shell body;

[0038] A connecting pipe, the upper end of which is fixedly connected to the middle of the bottom surface of the conical lower cover body, and the lower end of which is coaxially fixedly connected to the upper end of a discharge pipe for preventing dust from overflowing;

[0039] A spiral material feeding structure, the upper end of which is fixedly mounted on the middle of the upper surface of the upper shell, and the lower end of which is located in the connecting pipe;

[0040] The agglomerated powder filtering structure is assembled on the upper shell.

[0041] As a further optimization scheme, in order to facilitate the feeding of the connecting pipe and avoid blockage, the spiral feeding structure includes:

[0042] A first drive motor is fixedly mounted on the middle of the upper surface of the upper shell, and the lower end of the rotating shaft of the first drive motor passes through the top surface of the upper shell;

[0043] A round rod, the upper end of which is fixedly connected to the lower end of the rotating shaft of the first drive motor through a coupling, and the lower end of the round rod extends into the connecting pipe;

[0044] The auger is fixedly sleeved on the lower end of the round rod, and the lower end of the auger is located in the connecting pipe.

[0045] As a further optimization scheme, in order to filter out smaller agglomerated powders and facilitate recycling, the agglomerated powder filtering structure includes:

[0046] An inclined filter plate is fixedly mounted laterally on the lower end of the inner wall of the upper shell;

[0047] An inclined slag discharge pipe is fixedly connected to the lower end of the rear wall of the upper shell body, and the rear end of the inclined filter plate is inclined to extend to the inclined slag discharge pipe, and the rear end of the inclined slag discharge pipe is inclined downward.

[0048] As a further optimization scheme, in order to crush the large lumps in the fed powder and improve the utilization efficiency of the raw materials, the feed hopper with crushing function includes:

[0049] A feed hopper body, the lower end of which is fixedly connected to the upper surface end of the packaging machine body;

[0050] There are two crushing rollers, both of which are longitudinally rotatably assembled in the feed hopper body, and the left and right crushing rollers are in close contact with each other;

[0051] The second drive motors are two on the left and right, and the two second drive motors are fixedly mounted on the front wall of the feed hopper body. The rear end of the rotating shaft of the second drive motor is fixedly connected to the front end of the rotating shaft of the crushing roller on the same side through a coupling:

[0052] There are two guide plates symmetrically distributed on the left and right, the upper ends of the two guide plates are fixedly connected to the upper ends of the inner walls on the same side of the feed hopper body, and the lower ends of the guide plates extend above the two crushing rollers.

[0053] The present invention is provided here by improvement, and has the following improvements and advantages compared with the prior art:

[0054] The filling and unloading rate can be adjusted by the discharge rate adjustment structure, and the dust generation can be reduced by reducing the discharge rate; the dust-proof discharge pipe is buckled on the upper end of the container to be filled during the discharge and filling process to directly block the dust. The filling is completed after the dust falls back into the container to be filled, thereby avoiding dust overflow, ensuring the cleanliness of the working environment, avoiding waste of raw materials, and ensuring the accuracy of quantitative determination. BRIEF DESCRIPTION OF THE DRAWINGS

[0055] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0056] Figure 1 It is a schematic diagram of the structure of the utility model;

[0057] Figure 2 This is a schematic diagram of the structure of a discharge pipe for preventing dust from overflowing according to the utility model;

[0058] Figure 3 It is a structural schematic diagram of the discharge rate adjustment structure of the utility model;

[0059] Figure 4 It is a schematic diagram of the internal structure of the packaging machine body of the utility model.

[0060] Description of reference numerals:

[0061] 1-packaging machine body, 11-upper shell, 12-conical lower cover, 13-connecting pipe, 14-spiral feeding structure, 141-first drive motor, 142-round rod, 143-auger, 15-caking powder filtering structure, 151-inclined filter plate, 152-inclined slag discharge pipe, 2-mounting bracket, 21-support bottom plate, 22-back plate, 23-support column, 24-anti-slip pad, 25-limiting groove, 26-limiting block, 3-feeding hopper with crushing function, 31-feeding hopper body, 32-second Driving motor, 33-crushing roller, 34-guide plate, 4-quantitative valve, 5-discharging pipe for preventing dust from overflowing, 51-tube body, 52-conical tube, 53-anti-dust overflow structure, 531-annular plate, 532-spring, 533-through hole, 534-filter screen, 535-rubber layer, 6-lifting support base, 61-strip groove, 62-electric push rod, 63-cross plate, 64-support block, 7-conveyor belt, 8-discharging rate adjustment structure, 81-rotating rod, 82-micro motor, 83-circular plate, DETAILED DESCRIPTION

[0062] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0063] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0064] In the description of the present utility model, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0065] See also Figure 1-4 The utility model provides a technical solution: an automatic quantitative powder packaging machine, comprising:

[0066] Packaging machine body 1;

[0067] A mounting bracket 2, the upper end of which is fixedly mounted on the packaging machine body 1;

[0068] A feed hopper 3 with a crushing function, the lower end of which is fixedly connected to the upper surface of the packaging machine body 1;

[0069] The dosing valve 4 has an upper end fixedly connected to the output end of the packaging machine body 1 coaxially, and the dosing valve 4 is electrically connected to an external controller;

[0070] The discharge pipe 5 to prevent dust from overflowing has its upper end fixedly connected with the lower end of the metering valve 4 coaxially;

[0071] A discharge rate adjustment structure 8, which is mounted on a discharge pipe 5 to prevent dust from spilling out;

[0072] A lifting support base 6, which is assembled at the lower end of the mounting bracket 2;

[0073] A conveyor belt 7 is arranged transversely, and the lower edge of the conveyor belt 7 is fixedly mounted on the upper end of the lifting support base 6. The conveyor belt 7 is used for conveying containers to be filled;

[0074] The dust-proof discharge pipe 5 comprises:

[0075] The upper end of the tube body 51 is coaxially fixedly connected to the lower end of the metering valve 4;

[0076] The tapered tube 52 has its smaller end facing downward, the upper end of the tapered tube 52 is coaxially fixedly connected to the lower end of the tube body 51, and the lower end of the tapered tube 52 is coaxially fixedly connected to a straight tube;

[0077] The dust overflow prevention structure 53 is assembled on the straight pipe.

[0078] The filling and unloading rate can be adjusted by the discharge rate adjustment structure 8, and the dust generation can be reduced by reducing the discharge rate; the dust-proof discharge pipe 5 is buckled with the dust-proof structure 53 on the upper end of the container to be filled during the discharge and filling process to directly block the dust, and the filling is completed after the dust falls back into the container to be filled, thereby avoiding dust overflow, ensuring the cleanliness of the working environment, avoiding waste of raw materials, and ensuring the accuracy of quantitative determination.

[0079] In some embodiments, in order to prevent part of the powder from flying out during the discharging and filling process, which may cause a decrease in quantitative accuracy, the dust prevention structure 53 includes:

[0080] The annular plate 531 is slidably sleeved on the lower end of the outer wall of the straight tube. A rubber layer 535 is glued and fixed to the bottom surface of the annular plate 531. A spring 532 is fixedly connected between the left and right sides of the outer wall of the tapered tube 52 and the same side of the upper surface of the annular plate 531.

[0081] The through hole 533 is formed on the annular plate 531 and the rubber layer 535 . The through hole 533 is located near the inner edge of the annular plate 531 . A filter screen 534 is adhered and fixed to the inner wall of the through hole 533 .

[0082] When in use, the upper end of the container to be filled is buckled onto the bottom surface of the rubber layer 535 by raising the lifting support base 6, and the rubber layer 535 is used to shield the upper end of the container to be filled to prevent dust from overflowing. It is connected to the outside through the through hole 533 to ensure smooth material discharge. The aperture of the filter 543 on the inner wall of the through hole 533 is smaller than the outer diameter of the powder particles and is used to shield dust.

[0083] In some embodiments, in order to adjust and control the discharge rate, the discharge rate adjustment structure 8 includes:

[0084] A micro motor 82, which is fixedly mounted on the middle of the outer wall of the tube body 51;

[0085] A rotating rod 81, one end of which is rotatably connected to the middle of the inner wall of the tube body 51, and the other end of the rotating rod 81 penetrates the outer wall of the tube body 51. The rotating shaft of the micro motor 82 is fixedly connected to the end of the rotating rod 81 penetrating the tube body 51 through a coupling;

[0086] The circular plate 83 is arranged horizontally, and the middle part of the circular plate 83 is fixedly sleeved on the rotating rod 81. The upper and lower edges of the circular plate 83 are both rounded, and a gap is left between the outer wall of the circular plate 83 and the inner wall of the tube body 51; the micro motor 82 is connected to an external controller and powered by an external power supply. By controlling the rotation angle of the rotating shaft of the micro motor 82, the flipping angle of the circular plate 83 is controlled, and then the gap between the two ends of the circular plate 83 and the inner wall of the tube body 51 is adjusted, thereby achieving adjustment of different feeding rates.

[0087] In some embodiments, in order to support and fix the device, the mounting bracket 2 includes:

[0088] The supporting bottom plates 21 are symmetrically distributed on the left and right, and the two supporting bottom plates 21 are in contact with the bottom surface of the packaging machine body 1 on the same side;

[0089] There are two back plates 22 on the left and right sides, the lower end of the back plate 22 is fixedly connected to the rear end of the supporting bottom plate 21 on the same side, and the back plate 22 is attached to the rear wall of the packaging machine body 1;

[0090] There are four support columns 23, which are distributed in a rectangular shape. The upper ends of the four support columns 23 are fixedly connected to the bottom surfaces of the left and right support base plates 21, and the lifting support base 6 is assembled at the lower ends of the four support columns 23;

[0091] There are two limit grooves 25 distributed on the left and right sides, and the two limit grooves 25 are opened on the same side of the lower edge of the outer wall of the packaging machine body 1;

[0092] There are two limit blocks 26 distributed on the left and right sides. The limit blocks 26 are arranged corresponding to the limit grooves 25. The lower ends of the limit blocks 26 are fixedly connected to the supporting bottom plate 21 on the same side, and the limit blocks 26 are inserted into the corresponding limit grooves 25. The setting position of the packaging machine body 1 is limited by the cooperation of the limit blocks 26 and the limit grooves 25, and the limiting effect is improved by the support of the back plate 22.

[0093] In some embodiments, in order to prevent slipping, an anti-slip pad 24 is adhered and fixed to the bottom surface of the support column 23 .

[0094] In some embodiments, in order to facilitate the adjustment of the height of the conveyor belt 7 so as to be suitable for filling containers of different sizes, the lifting support base 6 includes:

[0095] There are four strip grooves 61, which are longitudinally opened at the lower ends of the inner sides of the four support columns 23, respectively. The bottom surfaces of the strip grooves 61 are vertically fixed with electric push rods 62, and the electric push rods 62 are electrically connected to the external controller after being connected in parallel;

[0096] The horizontal plate 63 has sliders fixedly mounted on both the front and rear sides of the left and right ends.

[0097] The four sliders are slidably assembled in the four strip grooves 61, the telescopic upper end of the electric push rod 62 is fixedly connected to the corresponding slider, and the front and rear sides of the left and right ends of the upper surface of the cross plate 63 are fixedly assembled with support blocks 64; the four electric push rods 62 work, and the cross plate 63 and the conveyor belt 7 are driven to rise and fall through the four electric push rods 62.

[0098] In some embodiments, in order to package the powder, the packaging machine body 1 includes:

[0099] The upper shell 11 has an open lower end;

[0100] A conical lower cover 12, the upper end of which is fixedly connected to the lower end of the upper shell 11;

[0101] The upper end of the connecting pipe 13 is fixedly connected to the middle of the bottom surface of the conical lower cover 12, and the lower end of the connecting pipe 13 is coaxially fixedly connected to the upper end of the discharge pipe 5 for preventing dust from overflowing;

[0102] The spiral material feeding structure 14 has its upper end fixedly mounted on the middle of the upper surface of the upper shell 11, and its lower end is located in the connecting pipe 13;

[0103] The agglomerated powder filtering structure 15 is assembled on the upper shell 11 .

[0104] In some embodiments, in order to facilitate material discharge at the connecting pipe 13 and avoid blockage, the spiral material discharge structure 14 includes:

[0105] A first driving motor 141 is fixedly mounted on the middle of the upper surface of the upper housing 11, and a lower end of a rotating shaft of the first driving motor 141 passes through the top surface of the upper housing 11;

[0106] A round rod 142, the upper end of which is fixedly connected to the lower end of the rotating shaft of the first driving motor 141 through a coupling, and the lower end of the round rod 142 extends into the connecting pipe 13;

[0107] The auger 143 is fixedly sleeved on the lower end of the round rod 142, and the lower end of the auger 143 is located in the connecting tube 13; the first drive motor 141 is connected to an external power supply, and the first drive motor 141 drives the round rod 142 and the auger 143 to rotate. The size of the auger 143 matches the inner diameter of the connecting tube 13, and the powder in the connecting tube 13 can be transmitted downward to avoid powder blockage.

[0108] In some embodiments, in order to filter out smaller agglomerated powders and facilitate recycling, the agglomerated powder filtering structure 15 includes:

[0109] The inclined filter plate 151 is laterally fixedly mounted on the lower end of the inner wall of the upper housing 11;

[0110] The inclined slag discharge pipe 152 is fixedly connected to the lower end of the rear wall of the upper shell body 11, and the rear end of the inclined filter plate 151 is inclined to extend to the inclined slag discharge pipe 152, and the rear end of the inclined slag discharge pipe 152 is inclined downward; smaller agglomerated powders are filtered out by the inclined filter plate 151, and the filtered smaller agglomerated powders are discharged into the inclined slag discharge pipe 152 along the inclined surface of the inclined filter plate 151, and a window is provided on the back plate 22 at a position corresponding to the inclined slag discharge pipe 152, and the inclined slag discharge pipe 152 passes through the corresponding window on the back plate 22, and a collecting container can be set at the discharge end of the inclined slag discharge pipe 152 to recycle and reuse the smaller agglomerated powders.

[0111] In some embodiments, in order to crush the large lumps in the fed powder and improve the utilization efficiency of the raw materials, the feed hopper 3 with a crushing function includes:

[0112] A feed hopper body 31, the lower end of which is fixedly connected to the upper surface end of the packaging machine body 1;

[0113] There are two crushing rollers 33, both of which are longitudinally rotatably assembled in the feed hopper body 31, and the left and right crushing rollers 33 are in close contact with each other;

[0114] There are two second drive motors 32 on the left and right sides. The two second drive motors 32 are fixedly mounted on the front wall of the feed hopper body 31. The rear end of the shaft of the second drive motor 32 is fixedly connected to the front end of the shaft of the crushing roller 33 on the same side through a coupling:

[0115] There are two guide plates 34 symmetrically distributed on the left and right sides. The upper ends of the two guide plates 34 are fixedly connected to the upper ends of the inner walls on the same side of the feed hopper body 31, and the lower ends of the guide plates 34 extend above the two crushing rollers 33. The second drive motors 32 on the left and right sides work synchronously to drive the two crushing rollers 33 to rotate synchronously, and the incoming powder is guided by the guide plates 34. The powder is guided to between the two crushing rollers 33 for crushing and removal of large lumps in the powder.

[0116] Working principle:

[0117] The filling and discharging rate can be adjusted by the discharging rate adjustment structure 8, and the generation of dust can be reduced by reducing the discharging rate;

[0118] By raising the lifting support base 6, the upper end of the container to be filled is buckled onto the bottom surface of the rubber layer 535, and the rubber layer 535 is used to shield the upper end of the container to be filled to prevent dust from overflowing. It is connected to the outside through the through hole 533 to ensure smooth material discharge. The filter screen 543 on the inner wall of the through hole 533 has an aperture smaller than the outer diameter of the powder particles and is used to shield dust. The filling is completed after the container is still and the dust falls back into the container to be filled, thereby preventing dust from overflowing, ensuring the cleanliness of the working environment, avoiding waste of raw materials, and ensuring quantitative accuracy.

[0119] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. An automatic quantitative powder packaging machine, characterized in that: include: Packaging machine body (1); A mounting bracket (2), the upper end of which is fixedly mounted on the packaging machine body (1); A feed hopper (3) with a crushing function, the lower end of which is fixedly connected to the upper surface of the packaging machine body (1); A quantitative valve (4), the upper end of which is coaxially fixedly connected to the output end of the packaging machine body (1), and the quantitative valve (4) is electrically connected to an external controller; A discharge pipe (5) for preventing dust from spilling out, the upper end of which is coaxially fixedly connected to the lower end of the metering valve (4); A discharge rate adjustment structure (8) mounted on a discharge pipe (5) to prevent dust from spilling out; A lifting support base (6) mounted on the lower end of the mounting bracket (2); A conveyor belt (7) is arranged transversely, and the lower edge of the conveyor belt (7) is fixedly mounted on the upper end of the lifting support base (6); The dust-proof discharge pipe (5) comprises: The upper end of the tube body (51) is coaxially fixedly connected to the lower end of the metering valve (4); A conical tube (52) with its smaller end facing downward, the upper end of the conical tube (52) being coaxially fixedly connected to the lower end of the tube body (51), and the lower end of the conical tube (52) being coaxially fixedly connected to a straight tube; The dust overflow prevention structure (53) is assembled on the straight pipe.

2. The automatic quantitative powder packaging machine according to claim 1, characterized in that: The dust spill prevention structure (53) comprises: An annular plate (531) is slidably sleeved on the lower end of the outer wall of the straight tube, a rubber layer (535) is glued and fixed to the bottom surface of the annular plate (531), and a spring (532) is fixedly connected between the left and right sides of the outer wall of the conical tube (52) and the same side of the upper surface of the annular plate (531); A through hole (533) is provided on the annular plate (531) and the rubber layer (535); the through hole (533) is located near the inner edge of the annular plate (531); and a filter screen (534) is adhered and fixed to the inner wall of the through hole (533).

3. The automatic quantitative powder packaging machine according to claim 1, characterized in that: The discharge rate adjustment structure (8) comprises: A micro motor (82) is fixedly mounted on the middle portion of the outer wall of the tube (51); A rotating rod (81), one end of which is rotatably connected to the middle of the inner wall of the tube body (51), the other end of the rotating rod (81) penetrates the outer wall of the tube body (51), and the rotating shaft of the micro motor (82) is fixedly connected to the end of the rotating rod (81) penetrating the tube body (51) via a coupling; The circular plate (83) is arranged transversely, and the middle part of the circular plate (83) is fixedly sleeved on the rotating rod (81). The upper and lower edges of the circular plate (83) are both rounded, and a gap is left between the outer wall of the circular plate (83) and the inner wall of the tube body (51).

4. The automatic quantitative powder packaging machine according to claim 1, characterized in that: The mounting bracket (2) comprises: Two supporting bottom plates (21) are symmetrically distributed on the left and right, and the two supporting bottom plates (21) are in contact with the bottom surface of the packaging machine body (1) on the same side; Two back plates (22) are arranged on the left and right sides, the lower end of each back plate (22) is fixedly connected to the rear end of the supporting bottom plate (21) on the same side, and the back plate (22) is attached to the rear wall of the packaging machine body (1); There are four support columns (23), which are distributed in a rectangular shape, the upper ends of the four support columns (23) are fixedly connected to the bottom surfaces of the left and right support base plates (21), and the lifting support base (6) is assembled on the lower ends of the four support columns (23); There are two limit grooves (25) distributed on the left and right sides, and the two limit grooves (25) are arranged on the same side of the lower edge of the outer wall of the packaging machine body (1); There are two limit blocks (26) distributed on the left and right sides. The limit blocks (26) are arranged corresponding to the limit slots (25). The lower ends of the limit blocks (26) are fixedly connected to the support bottom plate (21) on the same side. The limit blocks (26) are inserted into the corresponding limit slots (25).

5. The automatic quantitative powder packaging machine according to claim 4, characterized in that: An anti-slip pad (24) is glued and fixed to the bottom surface of the support column (23).

6. The automatic quantitative powder packaging machine according to claim 4, characterized in that: The lifting support base (6) comprises: There are four strip grooves (61), the four strip grooves (61) are respectively longitudinally opened at the lower ends of the inner side surfaces of the four support columns (23), and the bottom surfaces of the strip grooves (61) are vertically fixed with electric push rods (62), and the electric push rods (62) are electrically connected to an external controller after being connected in parallel; The horizontal plate (63) has sliders fixedly mounted on both the front and rear sides of both left and right ends. The horizontal plate (63) is slidably mounted in the four strip-shaped grooves (61) through four sliders. The telescopic upper end of the electric push rod (62) is fixedly connected to the corresponding slider. The upper surface of the horizontal plate (63) has support blocks (64) fixedly mounted on both the front and rear sides of both left and right ends.

7. The automatic quantitative powder packaging machine according to claim 1, characterized in that: The packaging machine body (1) comprises: The upper shell (11) is designed with an opening at the lower end; A conical lower cover (12), the upper end of which is fixedly connected to the lower end of the upper shell (11); A connecting pipe (13), the upper end of which is fixedly connected to the middle of the bottom surface of the conical lower cover (12), and the lower end of the connecting pipe (13) is coaxially fixedly connected to the upper end of a discharge pipe (5) for preventing dust from overflowing; A spiral material discharging structure (14), the upper end of which is fixedly mounted on the middle part of the upper surface of the upper shell (11), and the lower end of the spiral material discharging structure (14) is located in the connecting pipe (13); The agglomerated powder filtering structure (15) is assembled on the upper shell (11).

8. The automatic quantitative powder packaging machine according to claim 7, characterized in that: The spiral feeding structure (14) comprises: A first driving motor (141) is fixedly mounted on the middle portion of the upper surface of the upper shell (11), and the lower end of the rotating shaft of the first driving motor (141) passes through the top surface of the upper shell (11); A round rod (142), the upper end of which is fixedly connected to the lower end of the rotating shaft of the first driving motor (141) through a coupling, and the lower end of the round rod (142) extends into the connecting pipe (13); The auger (143) is fixedly sleeved on the lower end of the round rod (142), and the lower end of the auger (143) is located in the connecting pipe (13).

9. The automatic quantitative powder packaging machine according to claim 7, characterized in that: The agglomerated powder filtering structure (15) comprises: An inclined filter plate (151) is transversely fixedly mounted on the lower end of the inner wall of the upper shell (11); An inclined slag discharge pipe (152) is fixedly connected to the lower end of the rear wall of the upper shell (11); the rear end of the inclined filter plate (151) extends obliquely to the inclined slag discharge pipe (152); and the rear end of the inclined slag discharge pipe (152) is inclined downward.

10. The automatic quantitative powder packaging machine according to claim 1, characterized in that: The feed hopper (3) with crushing function comprises: A feed hopper body (31), the lower end of which is fixedly connected to the upper surface end of the packaging machine body (1); There are two crushing rollers (33), both of which are longitudinally rotatably assembled in the feed hopper body (31), and the left and right crushing rollers (33) are in close contact with each other; The second drive motor (32) is provided with two motors on the left and right sides. The two second drive motors (32) are fixedly mounted on the front wall of the feed hopper body (31). The rear end of the rotating shaft of the second drive motor (32) is fixedly connected to the front end of the rotating shaft of the crushing roller (33) on the same side through a coupling. There are two guide plates (34) symmetrically distributed on the left and right, the upper ends of the two guide plates (34) are fixedly connected to the upper ends of the inner walls on the same side of the feed hopper body (31), and the lower ends of the guide plates (34) extend above the two crushing rollers (33).

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