CN114030689B - Powder packaging machine - Google Patents

Abstract

The invention relates to the technical field of powder packaging, in particular to a powder packaging machine, which comprises a bagging mechanism, a storage box and a powder quantitative feeder, wherein the powder quantitative feeder comprises a machine shell, a rotary drum, a groove depth adjusting piece and a rotary driver, the powder quantitative feeder is provided with a feed chute and a discharge chute, the feed chute is communicated with a discharge port of the storage box, the discharge chute is communicated with a feed port of the bagging mechanism, the rotary drum is rotatably arranged in the machine shell along the horizontal direction, groove parts are uniformly arranged on the outer circumferential surface of the rotary drum along the circumferential direction, the groove parts extend along the axial direction of the rotary drum, and the groove depth of the groove parts can be adjusted; the groove depth adjusting piece is arranged in the rotary drum and used for adjusting the distance between the bottom of the groove part and the axis of the rotary drum; the rotary driver is arranged outside the machine shell and used for driving the rotary drum to rotate, the rotary drum with the groove part with the adjustable groove depth is rotationally arranged in the machine shell, and the groove depth of the groove part located in the discharging groove is reduced through the rotary driver, so that powder in the groove part of the discharging groove can be discharged quickly and completely.

Description

Powder packaging machine

Technical Field

The invention relates to the technical field of powder packaging, in particular to a powder packaging machine.

Background

The packaging machine is a machine for packaging products, and plays a role in protection and beauty; the packaging machine mainly comprises 2 aspects: the assembly line type integral production packaging and product peripheral packaging equipment; packaging machines have found widespread use in the packaging of powdered food products.

In the powder material packaging process, the material needs to be packaged into a single bag-shaped or can-shaped individual body by a powder packaging machine, as shown in fig. 1, most of existing powder packaging machines comprise a bagging mechanism 1, a storage box 2 and a powder quantitative output device, the powder quantitative output device comprises a machine shell 3a and a powder feeding shaft 3b arranged in the machine shell 3a, grooves 3b1 are uniformly distributed on the powder feeding shaft 3b along the circumferential direction, a feeding groove 3a1 and a discharging groove 3a2 are arranged on the machine shell 3a, the powder feeding shaft 3b is driven to rotate by a first servo motor 3c, the powder feeding shaft 3b rotates in the machine shell 3a, so that the grooves 3b1 receive powder from the feeding groove 3a1 and are subjected to powder removal at the discharging groove 3a2, in the use process, when the powder is not completely separated from the groove 3b1 at the bottom end, the powder feeding shaft 3b rotates again, the actually output powder amount is smaller than the required powder amount, and the weight of the single-bag powder cannot be accurately controlled.

Chinese patent CN201811148559.3 discloses a powder material packaging machine, which comprises a conveying mechanism, a lifting mechanism, a material storage cylinder, a sealing mechanism, a leveling mechanism, a rotating mechanism, a stirring mechanism and a feeding mechanism; the lifting mechanism can drive the discharging pipe to move upwards gradually from the bottom layer in the packaging can, so that materials are stacked gradually from bottom to top, the stacking is more uniform, meanwhile, the rotating mechanism can drive the leveling mechanism to rotate, the deflector rod can stir and scatter the materials, and the leveling plate can flatten the materials, so that the whole packaging can be filled with the powder materials; in the blanking process, the stirring blades can stir the top area of the packaging can, and the stirring rods distributed in a funnel shape can stir the outlet area of the packaging can, so that the material can be discharged more quickly, and blockage can be prevented; automatic feeding and packaging can be realized.

The powder material packaging machine cannot accurately supply powder in a quantitative manner;

chinese patent CN202020086607.7 relates to a laboratory solid powder quantitative taking device, which comprises a reagent bottle, a shell, a sampling assembly and a push rod assembly, wherein a connector matched with the mouth of the reagent bottle is arranged above the shell, the sampling assembly comprises a power piece, an inner disc and an outer disc, the inner disc is of a cylindrical structure with grooves uniformly formed in the circumferential direction, the outer disc is of a hollow cylindrical structure with a feeding port and a discharging port formed in the side surface, the inner disc is sleeved in the outer disc, and the output end of the power piece is connected with the center of the inner disc and used for driving the inner disc to rotate; the push rod assembly comprises a storage cavity, a push rod, an elastic piece and a film pressure sensor, the storage cavity is of a hollow structure with openings formed in the upper end and the lower end, and the upper end opening of the storage cavity corresponds to the outer disc discharge port.

This take quantitative powder supply module of device supplies powder through as above-mentioned mode, has the unable quick and complete exhaust problem of powder.

Disclosure of Invention

In view of the above, it is necessary to provide a powder packing machine in view of the problems of the prior art.

In order to solve the problems of the prior art, the invention adopts the technical scheme that:

a powder packaging machine comprises a bagging mechanism, a storage box and a powder quantitative feeder, wherein the powder quantitative feeder comprises a machine shell, a feeding groove and a discharging groove are formed in the powder quantitative feeder, the feeding groove is communicated with a discharging hole of the storage box, the discharging groove is communicated with a feeding hole of the bagging mechanism, the powder quantitative feeder also comprises a rotary drum, a groove depth adjusting piece and a rotary driver, the rotary drum is rotatably arranged in the machine shell along the horizontal direction, groove parts are uniformly arranged on the outer circumferential surface of the rotary drum along the circumferential direction, the groove parts extend along the axial direction of the rotary drum, and the groove depth of the groove parts can be adjusted; the groove depth adjusting piece is arranged in the rotary drum and used for adjusting the distance between the bottom of the groove part and the axis of the rotary drum; a rotary drive is disposed outside the housing for driving rotation of the drum.

Preferably, the groove part is an elastic arc piece coaxial with the rotary drum, the inner arc surface of the elastic arc piece faces outwards in the radial direction, the groove depth adjusting piece comprises a rod body, the rod body is arranged in the rotary drum and fixedly connected with the machine shell, the rod body is provided with an adjusting arc surface internally tangent to the rotary drum at the discharge groove, and the rod body extends in the axial direction of the rotary drum.

Preferably, the slot part is the coaxial elasticity arc piece with the rotary drum, and the intrados of elasticity arc piece is radially outwards, and the groove depth regulating part includes flexible magnetic stripe and long magnetic block, and the flexible magnetic stripe sets up on the extrados of elasticity arc piece, and the flexible magnetic stripe has the first magnetic surface towards the rotary drum axis, and the axial extension of flexible magnetic stripe along the rotary drum, and long magnetic block sets up in the rotary drum, long magnetic block and casing fixed connection, and long magnetic block has the second magnetic surface towards the blown down tank, the polarity of first magnetic surface and second magnetic surface is the same.

Preferably, the circumferential surface of the groove depth adjusting part is uniformly provided with strip-shaped grooves along the circumferential direction, the strip-shaped grooves are symmetrically provided with sliding grooves along the radial surface of the rotary drum, the strip-shaped grooves and the sliding grooves both extend along the axial direction of the rotary drum, and the two radial sides of the elastic arc pieces are respectively in sliding fit with the two symmetrical sliding grooves.

Preferably, the elastic arc piece is provided with limiting lugs bent along the radial direction on two sides along the radial direction, and the limiting lugs are in sliding fit with the sliding grooves.

Preferably, the distance between the two radial sides of the elastic arc pieces is greater than the distance between the two radial sides of the strip-shaped grooves along the rotary drum.

Preferably, a mounting circular groove which is communicated with the feeding groove and the discharging groove along the horizontal direction is arranged in the machine shell, and the rotating drum is coaxially and rotatably arranged in the mounting circular groove.

Preferably, the drum and the seating groove are clearance fit.

Preferably, the housing is a separate piece, and the connecting surface of the separate piece is coplanar with the radial surface of the rotating drum.

Preferably, the rotary driver comprises an inner gear ring, a rotating shaft, a gear and a second servo motor, the rotary driver is coaxially arranged at one end of the rotating drum, the rotating shaft and the rotating drum are coaxially and axially arranged on the casing, the rotary driver is coaxially and fixedly arranged on the rotating shaft, the rotary driver is positioned in the rotating drum, the inner gear ring and the gear are mutually meshed, the second servo motor is arranged outside the casing, and an output shaft of the second servo motor is in synchronous transmission connection with the rotating shaft.

Compared with the prior art, the beneficial effect of this application is:

1. the rotary drum with the groove part with the adjustable groove depth is rotationally arranged in the machine shell, so that when the groove part positioned at the feeding groove rotates to the discharging groove, the groove depth of the groove part positioned at the discharging groove is reduced through the rotary driver, powder in the groove part of the discharging groove can be discharged quickly and completely, and the accuracy of single output powder quantity is ensured;

2. according to the first embodiment of the application, the rod body is arranged in the rotary drum, so that the adjusting cambered surface is internally tangent with the inner circumferential surface of the machine shell at the discharge chute, when the elastic arc piece rotates to the discharge chute from the feed chute, the outer cambered surface of the elastic arc piece at the discharge chute is abutted by the adjusting cambered surface to deform, the outer cambered surface of the elastic arc piece is further far away from the axis of the rotary drum, the groove depth of the elastic arc piece is reduced, powder can be quickly and completely separated from the elastic arc piece, and when the elastic arc piece rotates to the feed chute from the discharge chute, the rod body can be elastically reset due to the fact that the inner cambered surface of the elastic arc piece does not have the abutting effect of the adjusting cambered surface, the elastic arc piece is restored to the original groove depth, and the powder can be contained again at the maximum capacity;

3. according to the second embodiment of the application, the long magnetic block is arranged in the rotary drum, when the rotary drum is used for containing powder and rotates to the discharge chute from the feed chute, due to the fact that the polarity of the first magnetic surface is the same as that of the second magnetic surface, the sliding groove located at the discharge chute is repelled by the second magnetic surface, the elastic arc sheet at the discharge chute is influenced by the repelling force to increase the radian of the elastic arc sheet, the powder in the elastic arc sheet can be rapidly and completely discharged, and when the elastic arc sheet rotates to the feed chute from the discharge chute, the inner arc surface of the elastic arc sheet does not have the repelling force action of the flexible magnetic strip and the long magnetic block, the rod body can be elastically reset, the elastic arc sheet is restored to the original groove depth, the powder can be contained again at the maximum loading capacity, the mode is free of contact friction, and is free of noise and can stably discharge;

4. according to the powder discharge device, the strip-shaped grooves are uniformly distributed on the circumferential surface of the groove depth adjusting piece, so that the two radial sides of the elastic arc piece are in sliding fit with the sliding grooves, when the outer arc surface of the elastic arc piece is under pressure, the two radial sides of the elastic arc piece can slide in the sliding grooves, the groove depth of the elastic arc piece can be reduced, and powder can be rapidly and completely discharged from the inner arc surface of the elastic arc piece;

5. the limiting lugs are arranged on the two sides of the elastic arc piece in a bent mode, so that the limiting lugs are in sliding fit with the limiting lugs, and the limiting lugs and the sliding groove can be stably clamped when the outer arc surface of the elastic arc piece is not subjected to acting force, so that the two sides of the elastic arc piece are prevented from being separated from the sliding groove;

6. according to the flexible magnetic stripe, the distance between the two radial sides of the elastic arc piece is larger than that between the two radial sides of the strip-shaped groove, so that when the two sides of the strip-shaped groove are in sliding fit with the flexible magnetic stripe, the elastic arc piece needs to overcome the elasticity of the elastic arc piece and be in sliding fit with the sliding groove, and the elastic arc piece is convenient to adjust the groove depth or reset automatically under the action of external force;

7. the installation circular groove is formed in the machine shell, and the installation circular groove is communicated with the feeding groove and the discharging groove, so that the rotary drum can coaxially and stably rotate in the installation circular groove;

8. according to the powder feeding device, the rotary drum is in clearance fit with the circular placement groove, so that the groove part can be matched with the circumferential surface of the circular placement groove to form a powder running channel, and the powder is prevented from overflowing outwards through the circular placement groove with the overlarge inner diameter;

9. the rotating cylinder can be coaxially inserted into the circular accommodating groove through the separated shell, and the rotating cylinder can stably rotate in the shell;

10. this application makes its output shaft can drive the pivot and stably rotates on the casing through starting second servo motor for when starting second servo motor, the rotary drum can coaxial rotation in the casing, thereby makes the slot part can follow circumferential direction, so that the powder that makes it contain can be fast and complete discharge.

Drawings

Fig. 1 is a perspective view of a prior art powder packing machine;

FIG. 2 is a front view of a prior art powder wrapping machine;

FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a perspective view of a powder quantitative discharger of the first embodiment of the present application;

fig. 5 is a front view of a powder quantitative discharger of the first embodiment of the present application;

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 5;

FIG. 7 is an enlarged view of a portion of FIG. 6 at D;

FIG. 8 is an enlarged view of a portion of FIG. 6 at E;

fig. 9 is an exploded perspective view of a powder metered dose dispenser of a first embodiment of the present application;

fig. 10 is a front view of a powder quantitative discharger of the second embodiment of the present application;

FIG. 11 is a sectional view taken along the line F-F in FIG. 10;

FIG. 12 is an enlarged view of a portion of FIG. 11 at G;

FIG. 13 is an enlarged view of a portion of FIG. 11 at H;

fig. 14 is an exploded perspective view of a powder quantitative discharger according to a second embodiment of the present application.

The reference numbers in the figures are:

1-bagging mechanism; 2-a material storage box; 3 a-a housing; 3a 1-a feed chute; 3a 2-a discharge chute; 3a 3-arranging a circular groove; 3 b-a powder feeding shaft; 3b 1-grooves; 3 c-a first servomotor; 3 d-a rotating drum; 3d 1-elastic arc sheet; 3d 4-limit ear; 3d 2-strip groove; 3d 3-sliding groove; 3 e-a groove depth adjusting member; 3e 1-rod body; 3e 2-adjusting the arc surface; 3e 3-a flexible magnetic strip; 3e 4-long magnetic block; 3 f-rotary drive; 3f 1-inner gear ring; 3f 2-rotating shaft; 3f 3-gear; 3f 4-second servomotor.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 3, 6 and 11, the present application provides:

a powder packaging machine comprises a bagging mechanism 1, a storage box 2 and a powder quantitative feeder, wherein the powder quantitative feeder comprises a machine shell 3a, a feeding groove 3a1 and a discharging groove 3a2 are arranged on the powder quantitative feeder, the feeding groove 3a1 is communicated with a discharging hole of the storage box 2, the discharging groove 3a2 is communicated with a feeding hole of the bagging mechanism 1, the powder quantitative feeder also comprises a rotary drum 3d, a groove depth adjusting piece and a rotary driver,

the rotary drum 3d is rotatably arranged in the machine shell 3a along the horizontal direction, groove parts are uniformly arranged on the outer circumferential surface of the rotary drum 3d along the circumferential direction, the groove parts extend along the axial direction of the rotary drum 3d, and the groove depth of the groove parts can be adjusted;

the groove depth adjusting piece is arranged in the rotary drum 3d and used for adjusting the distance between the groove bottom of the groove part and the axis of the rotary drum 3 d;

the rotation driver is provided outside the housing 3a for driving the drum 3d to rotate.

The bagging mechanism 1 is mature in the prior art, can continuously produce bags with openings at the top ends, and can seal the top ends of the bags after powder is fed into the bags through a feed port of the bagging mechanism 1, so that the powder is continuously and quantitatively packaged;

based on the above embodiment, the technical problem that the present application intends to solve is that an existing powder quantitative feeder includes a machine shell 3a, a powder feeding shaft 3b and a first servo motor 3c, a feeding chute 3a1 communicates with a discharging port of a storage bin 2, a discharging chute 3a2 communicates with a feeding port of a bagging mechanism 1, when the first servo motor 3c is started, the powder feeding shaft 3b rotates in the machine shell 3a, so that a groove 3b1 located at the feeding chute 3a1 can be filled and rotated to the discharging chute 3a2, and under the action of gravity, powder in the groove 3b1 located at the discharging chute 3a2 can fall into the feeding port of the bagging mechanism 1, and because the capacity of the groove 3b1 is fixed, the single powder feeding amount is also fixed, however, in the actual use process, when the powder is not yet completely separated from the groove 3b1 at the bottom end, the powder feeding shaft 3b has rotated again, which may result in that the amount of actually output powder is smaller than the required amount, and further, the weight of a single bag of powder cannot be accurately controlled.

For this reason, the present application can prevent the powder from not completely passing through the discharge chute 3a2 due to the fact that the drum 3d having a chute portion with an adjustable chute depth is rotatably provided in the casing 3a, the chute depth of the chute portion at the feed chute 3a1 is maximized to maximize the capacity thereof, and when the rotary drive is activated, the drum 3d is rotated in the casing 3a to rotate the chute portion containing the powder to the discharge chute 3a2, and in the drum 3d, the chute depth adjusting member can reduce the chute depth of the chute portion at the discharge chute 3a2 to allow the powder in the chute portion with the reduced chute depth to be rapidly and completely discharged, thereby making it possible to prevent the powder from not completely passing through the discharge chute 3a2 due to the continuous rotation of the drum 3d, and the volume or weight of the completely discharged powder constant, which makes the weight or volume of the powder in each bag constant;

the groove portion at the discharge chute 3a2 returns its groove depth to the original groove depth when it is turned back to the feed chute 3a1, thereby ensuring its maximum loading capacity.

As shown in fig. 4, 6, 7 and 8, further:

the slot part is the coaxial elasticity arc piece 3d1 with rotary drum 3d, and the intrados of elasticity arc piece 3d1 is radially outwards, and the groove depth regulating part includes the body of rod 3e1, and the body of rod 3e1 sets up in rotary drum 3d, body of rod 3e1 and casing 3a fixed connection, and body of rod 3e1 has the regulation cambered surface 3e2 with the inscribe of rotary drum 3d of blown down tank 3a2 department, and body of rod 3e1 extends along the axial of rotary drum 3 d.

Based on the first embodiment of the present application described above, the technical problem that the present application intends to solve is how the groove depth adjusting member adjusts the groove depth of the groove portion near the discharge chute 3a 2. Therefore, according to the application, the rod body 3e1 is arranged in the rotary drum 3d, the adjusting arc surface 3e2 is internally tangent to the inner circumferential surface of the machine shell 3a at the position of the discharge chute 3a2, the groove part is the elastic arc piece 3d1 coaxial with the rotary drum 3d, and the inner arc surface of the elastic arc piece 3d1 faces outwards along the radial direction, so that the convex surface of the elastic arc piece 3d1 extends into the rotary drum 3d and protrudes relative to the inner circumferential surface of the rotary drum 3d, when the elastic arc piece 3d1 rotates from the position of the feed chute 3a1 to the position of the discharge chute 3a2, the outer arc surface of the elastic arc piece 3d1 at the position of the discharge chute 3a2 is abutted to the adjusting arc surface 3e2 to deform, so that the outer arc surface of the elastic arc piece 3d1 is far away from the axis of the rotary drum 3d, so that the groove depth of the elastic arc piece 3d1 is reduced, powder can be quickly and completely separated from the elastic arc piece 3d1, and when the elastic arc piece 3d1 rotates from the discharge chute 3a2 to the position of the feed chute 3a1, the inner arc piece 3d1 is adjusted again, so that the elastic arc piece 3e1 can restore the elastic arc piece 3e1 to the maximum capacity, and the original arc piece can be restored, and the powder can be loaded again, and the original arc piece can be loaded.

As shown in fig. 11, 12 and 13, further:

the slot part is the coaxial elasticity arc piece 3d1 with rotary drum 3d, the intrados of elasticity arc piece 3d1 is radially outwards, the groove depth regulating part includes flexible magnetic stripe 3e3 and long magnetic block 3e4, flexible magnetic stripe 3e3 sets up on the extrados of elasticity arc piece 3d1, flexible magnetic stripe 3e3 has the first magnetic surface towards rotary drum 3d axis, and flexible magnetic stripe 3e3 extends along the axial of rotary drum 3d, long magnetic block 3e4 sets up in rotary drum 3d, long magnetic block 3e4 and casing 3a fixed connection, long magnetic block 3e4 has the second magnetic surface towards blown down groove 3a2, the polarity of first magnetic surface and second magnetic surface is the same.

Based on the second embodiment of the present application described above, the technical problem that the present application is intended to solve is how the groove depth adjusting member adjusts the groove depth of the groove portion near the discharge chute 3a 2. Therefore, the limiting lug 3d4 is arranged in the rotary drum 3d, the flexible magnetic strip 3e3 is arranged on the inner arc surface of the elastic arc piece 3d1, when the rotary drum 3d contains powder and rotates to the discharging groove 3a2 from the feeding groove 3a1, the polarity of the first magnetic surface is the same as that of the second magnetic surface, according to the principle that like poles of magnets repel each other, the sliding groove 3d3 located at the discharging groove 3a2 is repelled by the second magnetic surface, the elastic arc piece 3d1 at the discharging groove 3a2 is influenced by the repulsive force to increase the radian of the elastic arc piece, the powder in the elastic arc piece 3d1 can be discharged quickly and completely, and when the elastic arc piece 3d1 rotates to the feeding groove 3a1 from the discharging groove 3a2, the inner arc surface of the elastic arc piece 3d1 does not have the repulsive force action of the flexible magnetic strip 3e3 and the long magnetic block 3e4, the rod body 3e1 can be reset elastically, the elastic arc piece 3d1 can be restored to the original depth, and the capacity of the elastic arc piece 3d1 can be restored to the maximum capacity of containing the powder again.

As shown in fig. 7 and 12, further:

have evenly arranged bar groove 3d2 along circumference on the periphery of groove depth regulating part, bar groove 3d2 is provided with sliding tray 3d3 along the radial plane symmetry of rotary drum 3d, and bar groove 3d2 and sliding tray 3d3 all extend along rotary drum 3 d's axial, and elasticity arc piece 3d1 is along radial both sides respectively with two sliding tray 3d3 sliding fit of symmetry.

Based on the above-mentioned embodiments, the technical problem that the present application intends to solve is how to arrange the elastic arc piece 3d1 on the drum 3d and to be able to adjust the groove depth. For this reason, this application is through equipartition strip-shaped groove 3d2 on the periphery of groove depth regulating part, and set up sliding tray 3d3 at strip-shaped groove 3d 2's opposite side, make elasticity arc piece 3d1 along radial both sides and sliding tray 3d3 sliding fit, when elasticity arc piece 3d 1's extrados receives pressure, elasticity arc piece 3d1 can slide in sliding tray 3d3 along radial both sides, thereby can reduce elasticity arc piece 3d 1's depth of groove, and then make the powder can be followed in elasticity arc piece 3d 1's intrados by quick complete discharge.

As shown in fig. 7 and 12, further:

the elastic arc piece 3d1 is provided with limiting lugs 3d4 bent along the radial direction on two sides along the radial direction, and the limiting lugs 3d4 are in sliding fit with the sliding grooves 3d3.

Based on the above-described embodiment, the present application intends to solve the technical problem that the drum 3d easily slips out of the sliding groove 3d3 along both sides in the radial direction. For this reason, this application sets up the spacing ear 3d4 of buckling through the both sides at elasticity arc piece 3d1 for spacing ear 3d4 and spacing ear 3d4 sliding fit, elasticity arc piece 3d 1's extrados is when not receiving the effort, and spacing ear 3d4 and sliding tray 3d3 can stabilize the joint, break away from sliding tray 3d3 in order to prevent the both sides of elasticity arc piece 3d 1.

As shown in fig. 7 and 12, further:

the distance between the two sides of the elastic arc piece 3d1 along the radial direction is greater than the distance between the two sides of the strip-shaped groove 3d2 along the radial direction of the rotary drum 3 d.

Based on the above embodiments, the technical problem that the present application intends to solve is how to arrange the elastic arc piece 3d1 in the strip groove 3d2 and have the capability of elastic deformation. For this reason, this application is through making the distance of elasticity arc piece 3d1 along radial both sides be greater than the distance of bar groove 3d2 along radial both sides for when the both sides with bar groove 3d2 and flexible magnetic stripe 3e3 sliding fit, need make elasticity arc piece 3d1 overcome its self elasticity and with sliding groove 3d3 sliding fit, so that elasticity arc piece 3d1 receives external force to be adjusted the groove depth or reset by oneself.

As shown in fig. 9 and 14, further:

a mounting circular groove 3a3 which is communicated with the feeding groove 3a1 and the discharging groove 3a2 along the horizontal direction is arranged in the machine shell 3a, and a rotary drum 3d is coaxially and rotatably arranged in the mounting circular groove 3a 3.

Based on the above-described embodiment, the technical problem that the present application intends to solve is how the drum 3d is rotatably provided in the housing 3 a. For this reason, this application makes the rotary drum 3d rotate coaxially and stably in the setting circular groove 3a3 by providing the setting circular groove 3a3 in the casing 3a and making the setting circular groove 3a3 communicate with the feed chute 3a1 and the discharge chute 3a 2.

As shown in fig. 6 and 11, further:

the drum 3d and the seating circular groove 3a3 are clearance-fitted.

Based on the above-described embodiment, the technical problem that the present application intends to solve is how the rotary drum 3d rotates in the seating circular groove 3a3 so that the powder of the groove portion does not overflow. For this reason, the present application prevents the powder from overflowing through the seating circular groove 3a3 having an excessively large inner diameter by making the drum 3d and the seating circular groove 3a3 clearance-fit so that the groove portion can be fitted with the circumferential surface of the seating circular groove 3a3 to form a passage for the running powder.

As shown in fig. 9 and 14, further:

the housing 3a is a separate piece, the connection surface of which is coplanar with the radial surface of the drum 3 d.

Based on the above-described embodiment, the technical problem that the present application intends to solve is how to arrange the drum 3d in the cabinet 3 a. For this reason, the present application can insert the rotary drum 3d coaxially in the seating circular groove 3a3 through the housing 3a which is a separate piece, and the rotary drum 3d can be rotated stably in the housing 3 a.

As shown in fig. 5, 6, 10 and 11, further:

the rotary driver comprises an inner gear ring 3f1, a rotating shaft 3f2, a gear 3f3 and a second servo motor 3f4, the rotary driver is coaxially arranged at one end of the rotating drum 3d, the rotating shaft 3f2 and the rotating drum 3d are coaxially and fixedly arranged on the rotating shaft 3f2, the rotary driver is positioned in the rotating drum 3d, the inner gear ring 3f1 and the gear 3f3 are mutually meshed, the second servo motor 3f4 is arranged outside the housing 3a, and an output shaft of the second servo motor 3f4 is in synchronous transmission connection with the rotating shaft 3f 2.

Based on the above embodiments, the technical problem to be solved by the present application is how to drive the drum 3d to rotate stably in the housing 3a by the rotation driver. For this reason, this application makes its output shaft can drive pivot 3f2 and rotate on casing 3a steadily through starting second servo motor 3f4, because of gear 3f3 coaxial fixed setting is on pivot 3f2, make gear 3f3 can coaxial steady rotation, again because of gear 3f3 and ring gear 3f1 intermeshing, and the setting that the rotary drum 3d rotates in casing 3a, make when starting second servo motor 3f4, rotary drum 3d can coaxial rotation in casing 3a, thereby make the slot part can rotate along the circumference, so that the powder that its splendid attire was carried can quick and complete discharge.

The present application makes the groove depth of the groove portion of the discharge chute 3a2 reduced by the rotary driver when the groove portion at the feed chute 3a1 is rotated to the discharge chute 3a2 by rotationally disposing the drum 3d having the groove portion with the adjustable groove depth in the housing 3a, so as to discharge the powder of the groove portion of the discharge chute 3a2 quickly and completely, to ensure the accuracy of the single output powder amount; in the first embodiment of the application, the rod body is arranged in the rotary drum, so that the adjusting arc surface is internally tangent to the inner circumferential surface of the shell at the discharge chute, the outer arc surface of the elastic arc piece at the discharge chute is abutted by the adjusting arc surface to deform, and the outer arc surface of the elastic arc piece is further far away from the axis of the rotary drum, so that the groove depth of the elastic arc piece is reduced, and powder can be quickly and completely separated from the elastic arc piece; this application second embodiment is through setting up the long magnetic path in the rotary drum, when the rotary drum holds the powder and rotates to the blown down tank department from the feed chute department, because of the polarity of first magnetic surface and second magnetic surface is the same, the sliding tray that is located blown down tank department is repelled by second magnetic surface, make blown down tank department elasticity arc piece receive the repulsion influence and increase its radian, and then can make the powder in the elasticity arc piece can be fast and complete discharge, this embodiment contactless friction, noiselessness just can stabilize row material

The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (7)

1. A powder packaging machine comprises a bagging mechanism (1), a storage box (2) and a powder quantitative feeder, wherein the powder quantitative feeder comprises a shell (3 a), the powder quantitative feeder is provided with a feeding groove (3 a 1) and a discharging groove (3 a 2), the feeding groove (3 a 1) is communicated with a discharging hole of the storage box (2), the discharging groove (3 a 2) is communicated with a feeding hole of the bagging mechanism (1), the powder packaging machine is characterized in that the powder quantitative feeder also comprises a rotary drum (3 d), a groove depth adjusting piece and a rotary driver,

the rotary drum (3 d) is rotatably arranged in the machine shell (3 a) along the horizontal direction, groove parts are uniformly arranged on the outer circumferential surface of the rotary drum (3 d) along the circumferential direction, the groove parts extend along the axial direction of the rotary drum (3 d), and the groove depth of the groove parts can be adjusted;

the groove depth adjusting piece is arranged in the rotary drum (3 d) and is used for adjusting the distance between the groove bottom of the groove part and the axis of the rotary drum (3 d);

the rotary driver is arranged outside the machine shell (3 a) and is used for driving the rotary drum (3 d) to rotate;

the groove part is an elastic arc piece (3 d 1) coaxial with the rotary drum (3 d), the inner arc surface of the elastic arc piece (3 d 1) faces outwards along the radial direction, the groove depth adjusting piece comprises a rod body (3 e 1), the rod body (3 e 1) is arranged in the rotary drum (3 d), the rod body (3 e 1) is fixedly connected with the machine shell (3 a), the rod body (3 e 1) is provided with an adjusting arc surface (3 e 2) internally tangent to the rotary drum (3 d) at the discharge groove (3 a 2), and the rod body (3 e 1) extends along the axial direction of the rotary drum (3 d);

the groove part is an elastic arc piece (3 d 1) coaxial with the rotary drum (3 d), the inner arc surface of the elastic arc piece (3 d 1) faces outwards in the radial direction, the groove depth adjusting piece comprises a flexible magnetic strip (3 e 3) and a long magnetic block (3 e 4), the flexible magnetic strip (3 e 3) is arranged on the outer arc surface of the elastic arc piece (3 d 1), the flexible magnetic strip (3 e 3) is provided with a first magnetic surface facing the axis of the rotary drum (3 d), the flexible magnetic strip (3 e 3) extends in the axial direction of the rotary drum (3 d), the long magnetic block (3 e 4) is arranged in the rotary drum (3 d), the long magnetic block (3 e 4) is fixedly connected with the machine shell (3 a), the long magnetic block (3 e 4) is provided with a second magnetic surface facing the discharge groove (3 a 2), and the polarities of the first magnetic surface and the second magnetic surface are the same;

have evenly arranged bar groove (3 d 2) along circumference on the periphery of groove depth regulating part, bar groove (3 d 2) are provided with sliding tray (3 d 3) along the radial face symmetry of rotary drum (3 d), and bar groove (3 d 2) and sliding tray (3 d 3) all extend along the axial of rotary drum (3 d), and elasticity arc piece (3 d 1) are along radial both sides respectively with two sliding tray (3 d 3) sliding fit of symmetry.

2. The powder packaging machine according to claim 1, wherein the elastic arc piece (3 d 1) is provided with limiting lugs (3 d 4) bent along the radial direction at two sides along the radial direction, and the limiting lugs (3 d 4) are in sliding fit with the sliding grooves (3 d 3).

3. Powder packaging machine according to claim 1, characterized in that the distance of the resilient arc (3 d 1) on both radial sides is greater than the distance of the strip-shaped groove (3 d 2) on both radial sides of the drum (3 d).

4. A powder packing machine according to claim 1, characterized in that the casing (3 a) is provided with a seating circular groove (3 a 3) communicating the feed chute (3 a 1) and the discharge chute (3 a 2) in a horizontal direction, and the rotary drum (3 d) is coaxially rotatably provided in the seating circular groove (3 a 3).

5. A powder packaging machine according to claim 4, characterized in that the drum (3 d) and the seating round (3 a 3) are clearance-fitted.

6. A powder packaging machine according to claim 4, characterized in that the casing (3 a) is a separate piece whose attachment surface is coplanar with the radial surface of the drum (3 d).

7. The powder packaging machine according to any one of claims 1, 2-6, characterized in that the rotary drive comprises an inner gear ring (3 f 1), a rotary shaft (3 f 2), a gear (3 f 3) and a second servo motor (3 f 4), the rotary drive is coaxially arranged at one end of the rotary drum (3 d), the rotary shaft (3 f 2) and the rotary drum (3 d) are coaxially and axially arranged on the machine housing (3 a), the rotary drive is coaxially and fixedly arranged on the rotary shaft (3 f 2), the rotary drive is positioned in the rotary drum (3 d), the inner gear ring (3 f 1) and the gear (3 f 3) are mutually engaged, the second servo motor (3 f 4) is arranged outside the machine housing (3 a), and the output shaft of the second servo motor (3 f 4) is synchronously connected with the rotary shaft (3 f 2).

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