CN110562534A

CN110562534A - Powder material packing machine

Info

Publication number: CN110562534A
Application number: CN201910932379.2A
Authority: CN
Inventors: 张将来; 龙青国
Original assignee: Shenzhen Ruifei Technology Co Ltd
Current assignee: Shenzhen Ruifei Technology Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2019-12-13

Abstract

The invention relates to the technical field of powder packaging, and provides a powder packaging machine which comprises a packaging film feeding device, a filling longitudinal sealing device and a material bag sealing device; the packaging film feeding device is used for providing flat packaging films and folding the packaging films in half, so that the folded packaging films have a folding edge and an open edge; the filling longitudinal sealing device is used for forming a plurality of seasoning bags which are sequentially arranged and are provided with cavities on the folded packaging film along the length direction of the packaging film, powder is filled in each cavity, and each seasoning bag forms an opening communicated with the cavity on the open edge of the packaging film; the seasoning bag sealing device is used for thermally sealing the opening of each seasoning bag to form a seasoning bag belt comprising a plurality of seasoning bags connected in sequence; the packaging film feeding device and the material bag sealing device are positioned on the peripheral side of the filling longitudinal sealing device. Compared with the prior art, the powder packaging machine provided by the invention has the advantages that the production efficiency and the productivity are improved, the labor cost is saved, and the production cost is reduced.

Description

Powder material packing machine

Technical Field

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

Background

At present, a seasoning packet for preparing instant noodles is mainly prepared by a powder packaging machine, and the existing powder packaging machine has low automation degree and low production efficiency.

Disclosure of Invention

the invention aims to provide a powder packaging machine, which aims to solve the technical problems of low production efficiency and low productivity in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: provided is a powder packing machine, including:

a packaging film feeding device for supplying a flat packaging film and folding the packaging film in half so that the folded packaging film has a folded edge and an open edge;

The filling longitudinal sealing device is used for forming a plurality of seasoning bags which are sequentially arranged and are provided with cavities on the folded packaging film along the length direction of the packaging film, powder is filled in each cavity, and each seasoning bag forms an opening communicated with the cavity on the open edge of the packaging film; and

The seasoning bag sealing device is used for thermally sealing the opening of each seasoning bag to form a seasoning bag belt comprising a plurality of seasoning bags connected in sequence;

The packaging film feeding device and the material bag sealing device are located on the peripheral side of the filling longitudinal sealing device.

further, the packaging film feeding device comprises a vertical plate and a supporting part supported on the vertical plate:

two support shafts for supporting a roll film wound from the packaging film, respectively;

The roller wheel assembly is provided with a film passing space through which the fed packaging film passes;

The film changing device is arranged between the roller wheel assembly and the supporting shaft and comprises a film changing assembly and a film cutting assembly, wherein the film changing assembly is used for bonding the end part of the packaging film to be fed with the packaging film in the feeding, and the film cutting assembly is used for cutting off the packaging film in the feeding between the bonding part and the supporting shaft.

Further, the roller assembly comprises a roller bracket fixed on the vertical plate, and a first roller component and a second roller component which are arranged on the roller bracket, wherein the first roller component and the second roller component are arranged in parallel at intervals, and the film passing space is formed between the first roller component and the second roller component;

the vertical plate is provided with a first film changing chute and a second film changing chute, the first film changing chute and the second film changing chute are symmetrically arranged on a central line of a connecting line of the axis of the first roller member and the axis of the second roller member, and the first film changing chute and the second film changing chute respectively extend downwards and outwards from the middle part of the vertical plate in an inclined manner;

the film changing assembly comprises a first film changing seat, a first film changing driving piece, a second film changing seat and a second film changing driving piece, wherein the first film changing seat is arranged in the first film changing sliding groove in a sliding mode and used for fixing the packaging film, the first film changing driving piece is used for enabling the first film changing seat to abut against the peripheral surface of the second roller component, the second film changing seat is arranged in the second film changing sliding groove in a sliding mode and used for fixing the packaging film, and the second film changing driving piece is used for enabling the second film changing seat to abut against the peripheral surface of the first roller component.

Further, the filling longitudinal sealing device comprises:

A substrate;

a column supported on the base plate;

The powder blanking device is used for providing powder to be packaged and comprises a circular rotary material tray which is rotatably supported at the top end of the upright post by taking the direction vertical to the base plate as an axis, and the rotary material tray is provided with a plurality of blanking holes;

The film longitudinal sealing device is used for drawing the folded packaging film to move, the packaging film is arranged in an upward opening manner, and the film longitudinal sealing device comprises a rotary longitudinal sealing seat with a circular cross section and a plurality of longitudinal sealing assemblies which are supported on the rotary longitudinal sealing seat and are used for clamping the packaging film and thermally sealing the clamping parts; the rotary longitudinal sealing seat is rotatably supported on the upright post by taking the direction vertical to the substrate as an axis and is positioned below the rotary material tray, and a cavity is formed between two adjacent longitudinal sealing assemblies inside the packaging film; and

The receiving and filling device is used for filling powder in the rotary material tray into each cavity of the packaging film, and comprises a plurality of hopper assemblies arranged along the circumferential direction of the rotary longitudinal sealing seat, and the plurality of hopper assemblies and the plurality of longitudinal sealing assemblies are alternately arranged;

The axis of the rotary longitudinal sealing seat deviates from the axis of the rotary material tray.

Furthermore, the powder blanking device comprises a rotary material tray and a scraping device which can rotate relatively; the rotary material tray is provided with a material groove, a plurality of discharging holes are formed in the edge of the bottom surface of the material groove, and the discharging holes are arranged at intervals along the circumferential direction of the rotary material tray; the scraping device is arranged in the trough and is arranged at intervals with the bottom surface of the trough, the scraping device comprises a collecting seat with a discharge hole for discharging powder and a scraper component for scraping the powder in the trough, and the scraper component is arranged on the outer wall of the collecting seat.

Furthermore, the scraper component comprises at least one material powder guide plate for guiding the powder to the edge of the rotary material tray, a residual material scraper plate for pushing and scraping the powder and a residual material guide plate for guiding the powder to the center of the rotary material tray, wherein the residual material scraper plate is arranged on the inner side of the residual material guide plate, and a preset distance is reserved between the residual material scraper plate and the bottom surface of the material groove.

furthermore, the hopper assembly comprises a hopper part, a hopper rotating shaft, a hopper operating shaft and a hopper mounting seat, wherein the hopper part is used for being in butt joint with the blanking hole and being inserted into the cavity; one end of the hopper rotating shaft is fixedly connected with the hopper component, the other end of the hopper rotating shaft is fixedly connected with the hopper operating shaft, and the hopper component and the hopper operating shaft are arranged in a manner of deviating from the axis of the hopper rotating shaft; the hopper mounting seat is provided with an axial guide wheel, and the hopper operating shaft is provided with a radial guide wheel; the material receiving and filling device also comprises an axial guide seat supported on the substrate and a radial guide seat positioned outside the axial guide seat; an axial guide groove for the axial guide wheel to slide and enable the hopper assembly to move up and down is formed on the outer wall of the axial guide seat; and a radial guide groove for the radial guide wheel to slide and enable the rotating shaft to rotate is formed on the radial guide seat.

Further, the material package closing device includes:

a table for moving the folded packaging film with the top opening;

A preheating device for heating the top edge of the packaging film; and

The extrusion sealing device is used for pressing the top edge of the packaging film which penetrates out of the preheating device;

The preheating device and the extrusion sealing device are both supported on the workbench.

further, the preheating device comprises a strip-shaped hot-stamping support fixed on the workbench and at least one hot-stamping assembly supported on the hot-stamping support; the hot-stamping support is provided with a sliding groove for the movement of the packaging film; the at least one hot stamping assembly comprises a fixed plate fixed on the hot stamping support, a movable plate pivotally attached to the fixed plate and heating pipes respectively arranged in the fixed plate and the movable plate; the movable plate and the fixed plate enclose to form a heating gap which is used for the top edge of the packaging film to slide and is communicated with the sliding groove.

Further, still include the device of dividing the bag, the device of dividing the bag includes:

The clamping and conveying device is used for pulling seasoning bag belts formed by sequentially connecting a plurality of seasoning bags to move; and

The cutter device is used for shearing the seasoning bag belts between the adjacent seasoning bags to separate the independent seasoning bags;

the clamping and conveying device comprises a clamping and conveying support and a clamping and conveying mechanism which is arranged on the clamping and conveying support and used for clamping the seasoning bags; the clamping and conveying mechanism comprises a conveying chain which is rotatably arranged on the clamping and conveying support and a plurality of material clamping components which are fixedly connected with the conveying chain.

compared with the prior art, the powder packaging machine provided by the invention adopts the packaging film feeding device, the filling longitudinal sealing device and the material bag sealing device, so that the production efficiency and the productivity are improved, the labor cost is saved, and the production cost is reduced.

Drawings

FIG. 1 is a schematic perspective view of a powder packaging machine according to an embodiment of the present invention;

Fig. 2 is a first schematic perspective view of a packaging film feeding device provided by an embodiment of the invention;

Fig. 3 is a schematic front view of a packaging film feeding device provided in an embodiment of the present invention;

Fig. 4 is a second schematic perspective view of a packaging film feeding device provided in an embodiment of the present invention;

FIG. 5 is a schematic perspective view of a filling longitudinal sealing device according to an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a powder blanking device provided in an embodiment of the present invention;

FIG. 7 is a schematic front view of a rotating tray and scraper device provided by an embodiment of the invention;

FIG. 8 is a schematic perspective view of a rotating tray and scraper device provided by an embodiment of the present invention;

Fig. 9 is a schematic perspective view of a rotating tray and a fixed tray provided in an embodiment of the present invention;

FIG. 10 is an enlarged view of portion Q of FIG. 9;

FIG. 11 is a schematic cross-sectional view of a powder blanking device provided in an embodiment of the present invention;

FIG. 12 is a schematic cross-sectional view of a filling longitudinal sealing device provided by an embodiment of the present invention;

FIG. 13 is a schematic top view of a filling longitudinal sealing device according to an embodiment of the present invention;

FIG. 14 is an enlarged view of portion P of FIG. 5;

FIG. 15 is a schematic perspective view of a hopper assembly provided by an embodiment of the present invention;

FIG. 16 is a schematic cross-sectional view of a hopper assembly provided by an embodiment of the present invention;

FIG. 17 is a schematic top view of a hopper assembly provided by an embodiment of the present invention;

fig. 18 is a schematic perspective view of a sachet sealing device provided in an embodiment of the present invention;

FIG. 19 is a schematic perspective view of a preheating apparatus according to an embodiment of the present invention;

Fig. 20 is a schematic perspective view of a squeeze closure according to an embodiment of the present invention;

Fig. 21 is a schematic front view of a squeeze closure according to an embodiment of the present invention;

FIG. 22 is a schematic cross-sectional view of a pinch seal provided in accordance with an embodiment of the present invention;

FIG. 23 is a schematic perspective view of a transmission provided in accordance with an embodiment of the present invention;

FIG. 24 is a schematic front view of a transmission provided in accordance with an embodiment of the present invention;

3 FIG. 325 3 is 3a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3A 3- 3A 3 of 3 FIG. 324 3; 3

FIG. 26 is a schematic top view of a transmission provided in accordance with an embodiment of the present invention;

FIG. 27 is a cross-sectional view taken along line B-B of FIG. 26;

Fig. 28 is a front view schematically illustrating a bag distribution device according to an embodiment of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.

In order to make the technical solutions of the present invention better understood by those skilled in the art, the following detailed description of the implementations of the present invention is provided with reference to the accompanying drawings.

For convenience of description, the terms "front", "rear", "left", "right", "up" and "down" used hereinafter are the same as the drawings, and do not limit the structure of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

Fig. 1 to 28 show a preferred embodiment of the present invention.

Referring to fig. 1 to 28, the powder packaging machine 1000 provided by the embodiment includes a packaging film feeding device 100, a filling longitudinal sealing device 200, and a material bag sealing device 400; the packaging film feeding device 100 is used for providing a flat packaging film and folding the packaging film in half so that the folded packaging film has a folded edge and an open edge; the filling longitudinal sealing device 200 is used for forming a plurality of seasoning bags which are sequentially arranged and are provided with cavities on the folded packaging film along the length direction of the packaging film, filling powder into each cavity, and forming an opening communicated with the cavities on the open edge of the packaging film by each seasoning bag; a seasoning packet sealing device 400 for heat-sealing an opening of each seasoning packet to form a seasoning packet including a plurality of seasoning packets connected in sequence; the packaging film feeding device 100 and the package sealing device 400 are located on the periphery side of the filling longitudinal sealing device 200.

Foretell powder packagine machine 1000 adopts packaging film loading attachment, fills to indulge sealing device and material package closing device to improve production efficiency and productivity, saved the cost of labor, reduced manufacturing cost.

Referring to fig. 2 to 4, the packaging film feeding device 100 provided in this embodiment includes a vertical plate 110, two support shafts 120, a roller assembly 130, a film changing device 140, a guide roller set 150, and a forming base 160. The two supporting shafts 120, the roller assembly 130, the film changing device 140, the guide roller set 150 and the forming base 160 are all supported on the vertical plate 110, the supporting shafts 120 are used for supporting a rolled film formed by winding a packaging film, it is easy to understand that the rolled film is placed on the supporting shafts 120, the packaging film of the rolled film sequentially bypasses the film changing device 140, the roller assembly 130 and the guide roller set 150 and then enters the forming base 160 for folding and forming, the guide roller set 150 comprises a plurality of guide rollers 151 used for guiding the packaging film to move, it is worth mentioning that the rolled film can be placed on both the two supporting shafts 120, when one of the rolled films is fed (namely, the packaging film is fed and formed), the other rolled film is in a feeding state; the thickness of the roll film is detected by a sensor (not shown) disposed near the supporting shaft 120, so that the continuous feeding can be realized by connecting the packaging film to be fed with the packaging film in the feeding by the film changing device 140 just before the fed roll film is used up.

In particular, the guide roller set 150 further comprises a tensioning roller 152 for tensioning the packaging film.

Referring to fig. 2 and 3, the roller assembly 130 includes a roller bracket 132 fixed to the vertical plate 110, and a first roller member 133 and a second roller member 134 installed on the roller bracket 132, wherein the first roller member 133 and the second roller member 134 are disposed in parallel and spaced apart from each other, and a film passing space 131 is formed therebetween. In this embodiment, the roller bracket 132 is fixed to the vertical plate 110 by any conventional fixing means such as screws, welding, etc., the first roller member 133 and the second roller member 134 are rotatably supported on the roller bracket 132, the first roller member 133 and the second roller member 134 have circular cross sections, and the axis of the first roller member 133 and the axis of the second roller member 134 are perpendicular to the vertical plate 110, respectively. The guide roller set 150 is located at the right side (right side in the figure) of the roller assembly 130, and the roller assembly 130 can guide the packaging film before the packaging film enters the guide roller set 150, that is, the packaging film abuts against the second roller member 134 (right roller member in the figure) during the loading process of the packaging film.

Referring to fig. 2 to 4, the vertical plate 110 is provided with a first film changing chute 111 and a second film changing chute 112, the first film changing chute 111 and the second film changing chute 112 are symmetrically disposed on a central line of a connecting line between an axis of the first roller member 133 and an axis of the second roller member 134, and the first film changing chute 111 and the second film changing chute 112 respectively extend downward and outward from the middle of the vertical plate 110 in an inclined manner. And the film replacing assembly 141 is used for bonding the end part of the packaging film to be fed with the packaging film in the feeding process. The film replacing assembly 141 includes a first film replacing seat 1411 slidably disposed in the first film replacing chute 111 and configured to fix the packaging film, a first film replacing driving member 1412 configured to enable the first film replacing seat 1411 to abut against the circumferential surface of the second roller member 134, a second film replacing seat 1413 slidably disposed in the second film replacing chute 112 and configured to fix the packaging film, and a second film replacing driving member 1414 configured to enable the second film replacing seat 1413 to abut against the circumferential surface of the first roller member 133. In this embodiment, the first film-changing driving member 1412 and the second film-changing driving member 1414 are, but not limited to, air cylinders, the first film-changing driving member 1412 and the second film-changing driving member 1414 are fixed on the back surface of the vertical plate 110 by a conventional fixing method such as screws, the first film-changing seat 1411 is connected and fixed to the output shaft of the first film-changing driving member 1412, the second film-changing seat 1413 is connected and fixed to the output shaft of the second film-changing driving member 1414, the first film-changing seat 1411 moves upward and toward the second roller member 134 under the action of the first film-changing driving member 1412, the second film-changing seat 1413 moves upward and toward the first roller member 133 under the action of the second film-changing driving member 1414, and it should be noted that after the roll film is placed on the supporting shaft 120, the packaging film supported on the supporting shaft 120 at one side of the first film-changing seat 1411 is manually wound around the film-changing device 140, the roller assembly 130, the film-changing device 130, The guide roller group 150 is then sent to the forming seat 160, and meanwhile, for the packaging film supported on the supporting shaft 120 on one side of the second film changing seat 1413, the end part of the packaging film is pulled to the second film changing seat 1413 and is fixed by the second film changing seat 1413, and the surface of the inner side (i.e. the side facing to the other packaging film) of the end part of the packaging film is attached with a double-sided adhesive tape; after the packaging film supported on the supporting shaft 120 on one side of the first film changing seat 1411 is about to be used up, the roll film is manually changed, the above operation is repeated, the end portion of the packaging film of the changed roll film is pulled to the first film changing seat 1411 and fixed by the first film changing seat 1411, and the double-sided adhesive tape is attached to the surface of the inner side (i.e., the side facing the other packaging film) of the end portion of the packaging film for standby.

of course, after the film roll is placed on the supporting shaft 120, the packaging film supported on the supporting shaft 120 on the side of the second film changing seat 1413 may be manually passed around the film changing device 140, the roller assembly 130, and the guide roller set 150, and then fed into the forming seat 160.

in this embodiment, the inner ends of the first film changing seat 1411 and the second film changing seat 1413 are respectively provided with an adsorption hole (not shown) for adsorbing and fixing the packaging film, and the adsorption hole is connected to a vacuum-pumping device (not shown).

In other embodiments, the first film changer 1411 and the second film changer 1413 may be provided with adhesive to adhere the packaging film.

in this embodiment, the first film changing seat 1411 and the second film changing seat 1413 have a plurality of adsorption holes, and are arranged side by side at intervals along a direction perpendicular to the surface of the vertical plate 110.

in other embodiments, the number of the adsorption holes on the first and second membrane changing seats 1411 and 1413 may be one.

with continued reference to fig. 2-4, a film cutting assembly 142 is provided for cutting the packaging film from the supply between the bond and the support shaft 120. The film cutting assembly 142 is located upstream of the film changing assembly 141 in the feeding direction of the packaging film, and includes two cutter seats 1421 respectively disposed on the vertical plate 110, a cutter engaging seat 1422 disposed between the two cutter seats 1421 and configured to engage with the cutter seats 1421 for cutting, and a cutter driving member 1423 configured to move the cutter seats 1421; the cutter engaging seats 1422 are located on a center line of a connecting line between the axis of the first roller member 133 and the axis of the second roller member 134, and the two cutter seats 1421 are symmetrically located on the center line. In this embodiment, the cutter driving members 1423 are fixed to the back of the vertical plate 110 by any conventional fixing means such as screws, the cutter driving members 1423 are, but not limited to, cylinders, the number of the cutter driving members 1423 is, but not limited to, two, and the two cutter driving members 1423 are respectively in one-to-one correspondence with the two cutter seats 1421 and are connected and fixed. Leave the preset interval that supplies the packaging film to pass between cutter seat 1421 and the cutter cooperation seat 1422, cutter seat 1421 has the tool bit of cutting the packaging film, and cutter cooperation seat 1422 passes through all current fixed modes such as screw to be fixed in the front of riser 110, all sets up the cutting cut groove 1424 that supplies the tool bit to slide in and the roll-off on the both sides wall of this cutter cooperation seat 1422.

as a further optimization, the film cutting assembly 142 further includes a cutter protection cover 1425 covering the cutter seat 1421, and the cutter protection cover 1425 has a cutter outlet hole for the cutter head of the cutter seat 1421 to pass through. The cutter guard 1425 may be a transparent plastic or glass. In the present embodiment, the cutter protection cover 1425 is fixed to the vertical plate 110 by any conventional fixing means such as screws, which is made of, but not limited to, polyvinyl chloride.

Referring to fig. 2 to 4, the film exchanging device 140 further includes a film clamping assembly 143, the film clamping assembly 143 is located upstream of the film cutting assembly 142 in the feeding direction of the packaging film, and the film clamping assembly 143 includes two film clamping plates 1431 respectively disposed on the vertical plates 110, a film clamping engaging plate 1432 disposed between the two film clamping plates 1431 and configured to engage and clamp the film clamping plates 1431, and a film clamping driving member 1433 configured to move the film clamping plates 1431. In this embodiment, the film clamping driving parts 1433 are fixed on the back of the vertical plate 110 by any conventional fixing method such as screws, the film clamping driving parts 1433 are not limited to cylinders, the number of the film clamping driving parts 1433 is not limited to two, and the two film clamping driving parts 1433 are respectively corresponding to and connected and fixed to the two film clamping plates 1431. A preset distance for the packaging film to pass through is reserved between the film clamping plate 1431 and the film clamping matching plate 1432, the film clamping matching plate 1432 is fixed on the front face of the vertical plate 110 through any existing fixing mode such as screws, and it is worth mentioning that before the film cutting, the film clamping driving piece 1433 drives the film clamping plate 1431 to clamp and fix the packaging film between the film clamping plate 1431 and the film clamping matching plate 1432, the cutting position is not easy to deform, the cut is more neat, the cutting effect of the packaging film is improved,

As a further optimization, a buffer pad (not shown) is disposed on both the inner side of the membrane clamping plate 1431 and the side of the membrane clamping fitting plate 1432 facing the membrane clamping plate 1431, and the buffer pad can be sponge, silica gel or the like, so that the clamping effect can be improved.

referring to fig. 2 to 4, in the present embodiment, the bottom of the vertical plate 110 is provided with a guide post 170 for abutting against the packaging film, and the guide post 170 is located between the support shaft 120 and the film changer 140. The guide column 170 has a circular cross section for guiding the packaging film, and the packaging film can pass through the film changing device 140 from bottom to top by arranging the guide column 170 below the film changing device 140.

Referring to fig. 5 and 12, the filling longitudinal sealing device 200 includes a base plate 210, a column 220, a powder blanking device 300, a film longitudinal sealing device 230, a material receiving and filling device 240, and a main driving device 250, where the main driving device 250 is installed below the base plate 210 and is used for providing a driving force to rotate a rotary tray 330 of the powder blanking device 300 and a rotary longitudinal sealing seat 231 of the film longitudinal sealing device 230.

referring to fig. 5 and 12, the pillar 220, which is a hollow structure, is supported on the base plate 210.

As shown in fig. 5 and 12, the powder discharging device 300 is used for providing powder to be packaged, the powder discharging device 300 includes a circular rotating tray 330 rotatably supported on the top end of the upright column 220 by taking a direction perpendicular to the base plate 210 as an axis, and the rotating tray 330 is provided with a discharging hole 332 for discharging the powder of the rotating tray 330 downwards. In this embodiment, a blanking driving shaft 211 is disposed in the column 220, an upper end (shown upper end) of the blanking driving shaft 211 is fixedly connected to the rotating tray 330, a lower end (shown lower end) of the blanking driving shaft 211 is in transmission connection with the main driving device 250, so that the blanking driving shaft 211 rotates and drives the rotating tray 330 to rotate relative to the substrate 210 under the driving of the main driving device 250, the blanking holes 332 are disposed at equal intervals along the circumferential direction of the rotating tray 330, and the number of the blanking holes 332 is, but not limited to, sixteen.

referring to fig. 6, the powder blanking device 300 comprises a material barrel 310, a material scraping device 320, a rotary material tray 330 and a fixed material tray 340, wherein powder is filled in the material barrel 310 to provide a powder preparation seasoning bag. The rotating tray 330 is rotatably supported on the fixed tray 340 and connected to a driving device, not shown, by which the rotating tray 330 can be driven to rotate.

referring to fig. 6 to 8, the rotating tray 330 has a trough 331, the trough 331 has a plurality of blanking holes 332 formed at the edge of the bottom surface of the trough 331, and the plurality of blanking holes 332 are arranged at intervals along the circumferential direction of the rotating tray 330.

With continued reference to fig. 6 to 8, the scraping device 320 is disposed in the trough 331 and spaced from the bottom surface of the trough 331, the scraping device 320 is held in the trough 331 by the upright 350, the upper end of the scraping device 320 is connected to the bucket 310, the scraping device 320 includes a collecting base 321 having a discharge port 3211 for discharging powder and a scraper assembly 322 for scraping the powder in the trough 331, and the scraper assembly 322 is disposed on the outer wall of the collecting base 321. In this embodiment, the material collecting seat 321 is a hollow structure and has a circular cross section, the material collecting seat 321 and the rotary tray 330 are coaxially disposed, and the inside of the material collecting seat 321 is communicated with the material barrel 310, it can be understood that a gap is left between the scraping device 320 and the bottom surface of the trough 331, and the gap can be between 2mm and 3mm, so as to avoid abrasion caused by contact between the rotary tray 330 and the scraping device 320 when the rotary tray rotates relative to the scraping device. The powder in the aggregate seat 321 can be discharged through the discharge port 3211, and the powder discharged through the discharge port 3211 in the trough 331 is scraped by the scraper component 322.

Referring to fig. 7 and 8, the scraper assembly 322 includes a powder guide plate for guiding powder toward the edge of the rotating tray 330, a residue scraper 3221 for pushing and scraping the powder, and a residue guide plate 3222 for guiding the powder toward the center of the rotating tray 330, wherein the residue scraper 3221 is disposed inside the residue guide plate 3222, and has a predetermined distance from the bottom surface of the trough 331. In this embodiment, the number of the powder guide plates is, but not limited to, two, which are respectively the panel guide plate 3223 and the feeding guide plate 3224 located between the panel guide plate 3223 and the remainder guide plate 3222. The disc surface guide plate 3223, the feeding guide plate 3224, and the excess material guide plate 3222 are all arranged in a manner of standing on the bottom surface of the trough 331, and the excess material scraper 3221 is arranged in a manner of being parallel to the bottom surface of the trough 331. The number of the discharge ports 3211 is, but not limited to, two, and the discharge ports are spaced apart from each other in the circumferential direction of the material collecting seats 321. One of the discharge ports 3211 is located between the disc surface guide plate 3223 and the feeding guide plate 3224, and the other discharge port 3211 is located inside the remaining material guide plate 3222, and it is worth mentioning that when the rotating tray 330 rotates relative to the scraping device 320, the feeding guide plate 3224 can control the accumulation amount of the powder in the trough 331, and can push the powder discharged from the discharge port 3211 located between the disc surface guide plate 3223 and the feeding guide plate 3224 to the edge of the rotating tray 330. The outer end of the excess material guide plate 3222 is substantially close to the inner wall of the trough 331, and can scrape the excess material scraped by the outer end of the feeding guide plate 3224 and the powder discharged from the discharge port 3211 located inside the excess material guide plate 3222 to the center of the rotating tray 330. The distance between the excess material scraping plate 3221 and the material collecting seat 321 is at least capable of covering the material discharging hole 332 for rotating the rotary tray 330, and the powder can reach a preset thickness (corresponding to the preset distance) after the excess material is scraped through the preset distance between the excess material scraping plate 3221 and the bottom surface of the material groove 331, and fall from the material discharging hole 332. The disc surface guide plate 3223 can push the powder materials guided out by the excess material guide plate 3222 to the edge of the rotary tray 330, thus, two material outlets 3211 are adopted, and the feeding speed can be ensured; in addition, the excess material scraper 3221 can ensure the uniformity and accuracy of blanking.

in other embodiments, only the discard scraper 3221 may be provided.

with continued reference to fig. 7 and 8, in the present embodiment, the outer wall of the material collecting seat 321 is provided with a first connecting plate 3212 and a second connecting plate 3213, and the first connecting plate 3212 and the second connecting plate 3213 are arranged at intervals along the circumferential direction of the material collecting seat 321; the remainder guide plate 3222 extends from the first connecting plate 3212 to the second connecting plate 3213, and is tapered in radius. The excess material guide plate 3222 is fixedly connected to the first connection plate 3212 and the second connection plate 3213 by any conventional fixing means such as screws.

In other embodiments, the first connecting plate 3212, the second connecting plate 3213, and the aggregate seat 321 may be integrally formed.

referring to fig. 7 and 8, a residue scraping plate 3221 is vertically adjustably mounted on the first link plate 3212. In this embodiment, a scraper connecting column 3225 is arranged on the excess material scraper 3221, the scraper connecting column 3225 extends in a direction perpendicular to the bottom surface of the trough 331, the scraper connecting column 3225 has a scraper connecting portion, a hole for the scraper connecting portion to pass through is formed in the first connecting plate 3212, an external thread is formed on the scraper connecting portion, a scraper connecting nut 3226 is arranged on the first connecting plate 3212, and the scraper connecting nut 3226 is screwed to the scraper connecting portion. A spring (not shown) is sleeved on the scraper connecting column 3225, and two ends of the spring respectively abut against the excess material scraper 3221 and the first connecting plate 3212, so that the distance between the excess material scraper 3221 and the bottom surface of the trough 331 can be adjusted by screwing the scraper connecting nut 3226, and the thickness of the excess material can be adjusted.

In other embodiments, the scraper attachment post 3225 may be attached to the shoe 321 by a pneumatic cylinder.

Referring to fig. 7 and 8, in the present embodiment, a thickness sensor 324 is disposed on the powder guide plate for detecting the thickness of the powder in the trough 331. In this way, the powder in the bucket 310 can be replaced or replenished when the powder is about to run out.

Referring to fig. 7 and 8, in the present embodiment, the powder guide plate is an arc-shaped plate extending from the collecting base 321 in a curved manner.

In other embodiments, the powder guide plate may be a straight plate.

referring to fig. 9 and 10, the bottom of the rotating tray 330 is provided with a plurality of shielding assemblies 333 for opening and closing the blanking holes 332, and the plurality of shielding assemblies 333 correspond to the plurality of blanking holes 332 one by one; the fixed tray 340 is provided with a valve assembly 341 for controlling the shielding assembly 333 to open and close the blanking hole 332. In the present embodiment, the shutter assembly 333 includes a shutter mounting shaft 3331 fixed to the bottom of the rotary tray 330, a shutter plate 3332 pivotally attached to the shutter mounting shaft 3331 and used to open and close the blanking hole 332, and an inner roller member 3333 and an outer roller member 3334 provided on the shutter plate 3332; the valve assembly 341 includes a first guide block 342 for abutting against the outer roller member 3334 and causing the shutter 3332 to open the corresponding blanking hole 332 after the collision, and a second guide block 343 for abutting against the inner roller member 3333 and causing the shutter 3332 to close the corresponding blanking hole 332 after the collision. The second guide block 343 is located downstream of the first guide block 342 in the rotation direction of the rotating tray 330, and it should be noted that the blanking hole 332 is normally closed, the valve assembly 341 is installed at the blanking position, and when the blanking hole 332 of the rotating tray 330 rotates to the blanking position, the first guide block 342 of the valve assembly 341 collides with the outer roller member 3334, so that the shutter 3332 swings around the shutter installation shaft 3331, and the blanking hole 332 is opened, thereby blanking the blanking hole 332. As the rotating tray 330 continues to rotate, the second guide block 343 of the valve assembly 341 collides with the inner roller 3333 of the shutter assembly 333, and the shutter 3332 swings around the shutter mounting shaft 3331 to close the discharging hole 332, thereby ensuring the closing of the discharging hole 332 in the non-discharging position.

With continued reference to fig. 9 and 10, in the present embodiment, the shielding mounting shaft 3331 is provided with a shielding elastic member 3335 for pressing the shielding plate 3332 against the bottom of the rotating tray 330. Thus, the close connection between the shielding plate 3332 and the rotating tray 330 can be ensured, the shielding plate 3332 does not swing randomly, and the closing effect of the blanking hole 332 can be improved.

In other embodiments, a sealing ring may be disposed at the blanking hole 332 of the rotating tray 330 to sealingly engage with the shielding plate 3332.

referring to fig. 9 and 10, in the present embodiment, the shielding elastic member 3335 is a spring, which is sleeved on the shielding mounting shaft 3331, so that the shielding plate 3332 can be pressed by the elastic force.

In other embodiments, the shielding elastic member 3335 may also be a resilient sheet or an elastic rubber.

As can be seen from fig. 9 and 10, the axis of the shutter mounting shaft 3331 is disposed offset from a connecting line between the axial center of the inner roller member 3333 and the axial center of the outer roller member 3334.

preferably, cushioning sleeves (not shown) are provided on the outer walls of the inner and outer roller members 3333 and 3334.

Referring to fig. 8 and 11, a discharge control assembly 323 for adjusting the opening area of the discharge hole 3211 is disposed on the collecting base 321. In this embodiment, the number of the discharging control assemblies 323 is, but not limited to, two, and corresponds to two discharging ports 3211 one to one. Each discharge control assembly 323 comprises a discharge fixing plate 3231 fixed on the outer wall of the collecting base 321, a discharge adjusting cover plate 3232 for opening and closing the discharge port 3211, and a discharge connecting column 3233 connected between the discharge adjusting cover plate 3232 and the discharge fixing plate 3231. It is easy to understand that the opening area of the discharge port 3211 can be adjusted by adjusting the height of the discharge adjusting cover plate 3232 according to the rotation speed of the rotating tray 330 and the production requirement, so as to control the discharge amount.

specifically, a discharging spring 3234 is sleeved on the discharging connecting column 3233, and the discharging spring 3234 is respectively abutted against a discharging adjusting cover plate 3232 and a discharging fixing plate 3231; row material spliced pole 3233 has row material connecting portion, offers the hole that supplies row material connecting portion to pass on row material fixed plate 3231, is formed with the external screw thread on row material connecting portion, is provided with row material coupling nut 3235 on row material fixed plate 3231, row material coupling nut 3235 threaded connection in row material connecting portion.

As a further optimization, a sliding limit portion 3214 is disposed on the material collecting seat 321 to guide the material discharging adjustment cover plate 3232 to move up and down.

Referring to fig. 5, 12 to 14, a film longitudinal sealing device 230 for providing a traction force to draw the folded packaging film to move, the film longitudinal sealing device 230 includes a rotary longitudinal sealing seat 231 and a plurality of longitudinal sealing assemblies 232 supported on the rotary longitudinal sealing seat 231, the plurality of longitudinal sealing assemblies 232 are used for clamping the packaging film and heat-sealing the clamped portion, the rotary longitudinal sealing seat 231 is rotatably supported on the column 220 with an axis perpendicular to the substrate 210 and is located below the rotary tray 330, the rotary longitudinal sealing seat 231 is in transmission connection with a main driving device 250, so that the rotary longitudinal sealing seat 231 rotates relative to the substrate 210 under the driving of the main driving device 250, it is noted that the packaging film is fed into the film longitudinal sealing device 230 in the folded shape after passing through a horn-shaped forming seat (not shown), and the folding line (also called a fold line or a fold line) of the packaging film is at the lower end and the upper end is an opening; through the clamping and heating of the longitudinal sealing assembly 232, the clamping parts of the packaging film can be folded and fused to form longitudinal sealing edges, and the packaging film between the adjacent clamping parts can be formed into a cavity with an upward opening for placing powder.

with continued reference to fig. 5, 12 to 14, in the present embodiment, the rotating longitudinal seal seat 231 has a circular cross section, the axis of the rotating longitudinal seal seat 231 is offset from the axis of the rotating tray 330, the plurality of longitudinal seal assemblies 232 are circumferentially spaced along the rotating longitudinal seal seat 231, and the number of the plurality of longitudinal seal assemblies 232 is, but not limited to, twenty-two. The longitudinal sealing assembly 232 includes a longitudinal sealing fixed plate 2321, a longitudinal sealing movable plate 2322 and a heating assembly 2323, the longitudinal sealing movable plate 2322 is pivotally attached to the longitudinal sealing fixed plate 2321, and a longitudinal sealing rotating wheel 2324 is disposed on the longitudinal sealing movable plate 2322; the film vertical sealing device 230 further includes a vertical sealing rail 233 for sliding the vertical sealing rotating wheel 2324 and rotating the vertical sealing moving plate 2322 relative to the vertical sealing fixing plate 2321. It is easy to understand that, when the rotating longitudinal sealing seat 231 rotates, the longitudinal sealing component 232 is driven to rotate relative to the longitudinal sealing rail 233, the longitudinal sealing rotating wheel 2324 moves in the longitudinal sealing rail 233, and under the guidance of the longitudinal sealing rail 233, the longitudinal sealing movable plate 2322 swings up and down relative to the longitudinal sealing fixed plate 2321, so as to achieve the closing and opening of the longitudinal sealing component 232. Specifically, the position where the vertical sealing plate 2322 is initially folded is approximately at a position tangent to a circle where the center of the blanking hole 332 is located in the extending direction (also referred to as an extension line) of the folding line of the packaging film.

as a further optimization, a longitudinal sealing elastic element 2325 is disposed between the longitudinal sealing fixed plate 2321 and the longitudinal sealing movable plate 2322, and the longitudinal sealing elastic element 2325 is, but not limited to, a spring, so that when the longitudinal sealing assembly 232 is folded, the longitudinal sealing fixed plate 2321 and the longitudinal sealing movable plate 2322 can be tightly attached to each other, and the packaging film is pressed tightly, so as to ensure the sealing quality.

As shown in fig. 12, in the present embodiment, the rotating longitudinal sealing seat 231 includes a longitudinal sealing support portion 2312 and a longitudinal sealing driving portion 2313, the longitudinal sealing support portion 2312 is formed by an upper outer wall of the rotating longitudinal sealing seat 231 protruding outwards, the longitudinal sealing driving portion 2313 is formed by a lower outer wall of the rotating longitudinal sealing seat 231 protruding outwards, the longitudinal sealing assembly 232 is supported on the longitudinal sealing support portion 2312, and a side wall of the longitudinal sealing driving portion 2313 is provided with a tooth portion 2313 a. The tooth 2313a is in transmission connection with the main driving device 250 through a gear, so that the main driving device 250 drives the rotary longitudinal seal holder 231 to rotate.

In another embodiment, the rotary vertical sealing seat 231, the vertical sealing support portion 2312 and the vertical sealing driving portion 2313 are separately molded and fixed by fasteners such as screws.

Referring to fig. 5, 12, 14 and 15, the receiving and filling device 240 is used for filling powder in the rotating tray 330 into each cavity of the packaging film, and the receiving and filling device 240 includes a plurality of hopper assemblies 241, an axial guide seat 242 and a radial guide seat 243, wherein the axial guide seat 242 and the radial guide seat 243 are supported on the base plate 210, and the radial guide seat 243 is located outside the axial guide seat 242. In this embodiment, the axial guide seat 242 is disposed on the outer periphery of the upright column 220, and the radial guide seat 243 is disposed on the outer periphery of the axial guide seat 242. The plurality of hopper assemblies 241 are arranged along the circumferential direction of the rotary longitudinal seal holder 231, and the plurality of hopper assemblies 241 and the plurality of longitudinal seal assemblies 232 are alternately arranged.

referring to fig. 5, 12, 14 and 15, the hopper assembly 241 includes a hopper rotating shaft 2412 and a hopper assembly 2411 connected to the hopper rotating shaft 2412 for receiving the material, the axial guide base 242 has an axial guide groove 2421 for moving the hopper rotating shaft 2412 and the hopper assembly 2411 up and down, and the radial guide base 243 has a radial guide groove 2431 for swinging the hopper assembly 2411 relative to the hopper rotating shaft 2412 about the axis of the hopper rotating shaft 2412. In this embodiment, the number of the hopper assemblies 241 corresponds to that of the longitudinal sealing assemblies 232, and the number of the hopper assemblies 241 is, but not limited to, twenty-two. Each hopper assembly 241 includes a hopper member 2411, a hopper shaft 2412, a hopper operating shaft 2413 and a hopper mounting base 2414, the hopper member 2411 is generally cylindrical and has a tubular, small mouth for insertion into the cavity, and the hopper member 2411, the hopper shaft 2412, the hopper operating shaft 2413 and the hopper mounting base 2414 are, but not limited to, stainless steel. The hopper mounting seat 2414 is sleeved on the hopper rotating shaft 2412 and can rotate relative to the hopper rotating shaft 2412, one end of the hopper rotating shaft 2412 is fixedly connected with the hopper part 2411, the other end of the hopper rotating shaft 2412 is fixedly connected with the hopper operation shaft 2413, and the hopper part 2411 and the hopper operation shaft 2413 are arranged in a way of deviating from the axis of the hopper rotating shaft 2412; an axial guide wheel 2415 is arranged on the hopper mounting seat 2414, and a radial guide wheel 2416 is arranged on the hopper operating shaft 2413.

Referring to fig. 5, 12, 14 and 15, in the present embodiment, the hopper shaft 2412 is disposed parallel to the column 220, and the hopper member 2411 is fixedly mounted at the upper end of the hopper and is adapted to interface with the blanking hole 332 and be inserted into the cavity. The hopper rotating shaft 2412 penetrates through the rotary longitudinal sealing seat 231, a longitudinal sealing supporting hole through which the feeding hopper rotating shaft 2412 passes is formed in the longitudinal sealing supporting portion 2312, and a longitudinal sealing driving hole through which the feeding hopper rotating shaft 2412 passes and which corresponds to the longitudinal sealing supporting hole is formed in the longitudinal sealing driving portion 2313. An axial guide groove 2421 is formed on an outer wall of the axial guide holder 242, and an axial guide wheel 2415 is disposed in the axial guide groove 2421 and moves along an extended trajectory of the axial guide groove 2421. A radial guide groove 2431 is opened on the upper surface of the radial guide base 243, and the radial guide wheel 2416 is disposed in the radial guide groove 2431 and moves along the extended track of the radial guide groove 2431.

Referring to fig. 5, 12, 14 and 15, in the present embodiment, the radial guide groove 2431 includes an annular portion 2431a and an outward convex portion 2431b in an extending direction of a folding line for swinging the hopper member 2411 to the packaging film before the packaging film is closed, the outward convex portion 2431b being connected to the annular portion 2431a and protruding outward; the projection of the annular portion 2431a on the substrate 210 in the direction perpendicular to the substrate 210 is concentrically arranged with the projection of the rotary vertical seal holder 231 on the substrate 210 in the direction perpendicular to the substrate 210. It should be noted that the convex portion 2431b is substantially in the extending direction of the folding line and located at the rear side of the tangent position, so that under the guidance of the convex portion 2431b, the radial guide wheel 2416 can rotate the hopper rotating shaft 2412 relative to the axis of the hopper rotating shaft 2412 and drive the hopper member 2411 to rotate to the extending direction of the folding line, so that the moving track of the hopper member 2411 is consistent with (substantially on the same straight line with) the moving direction of the packaging film.

referring to fig. 5, 12, 14 and 15, in the present embodiment, the axial guide groove 2421 includes an axial high groove section 2422, an axial low groove section 2423 and an axial low groove section 2424 corresponding to the external convex portion 2431b, and the axial low groove section 2424 extends downward from the axial high groove section 2422 and to the axial low groove section 2423 along the circumferential direction of the axial guide seat 242. It will be appreciated that the axial guide wheel 2415, guided by the axial drop groove section 2424, may move the hopper shaft 2412 and the hopper component 2411 downwardly to insert the hopper component 2411 downwardly into the cavity as described above.

Specifically, the axial guide groove 2421 further includes an axial ascending groove section (not shown) for driving the hopper rotating shaft 2412 and the hopper part 2411 to move upward to separate the hopper part 2411 from the cavity of the packaging film, and the axial high groove section 2422, the axial descending groove section 2424, the axial low groove section 2423 and the axial ascending groove section are sequentially communicated.

In the present embodiment, the outer convex portion 2431b of the radial guide groove 2431 includes an outer swing region that swings the hopper member 2411 outward and out of the direction in which the folding line of the packaging film extends, and an inner swing region that swings the hopper member 2411 inward to the direction in which the folding line of the packaging film extends; the axially descending groove section 2424 of the axial guide groove 2421 is disposed corresponding to the hypocycloid region. When the radial guide wheel 2416 moves from the annular portion 2431a into the convex portion 2431b, under the guidance of the outward swing region, the radial guide wheel 2416 will first move outward and drive the hopper member 2411 to swing outward, then move inward under the guidance of the inward swing region and drive the hopper member 2411 to swing inward to the extending direction of the folding line, and simultaneously move downward to be inserted into the cavity, it should be mentioned that with this structure, during the process of moving downward the hopper member 2411 into the cavity, the longitudinal sealing assembly 232 located at the rear side of the cavity (the rear side in the extending direction of the folding line) can be prevented from interfering with each other.

Referring to fig. 5, 12, 14 and 15, in the present embodiment, the radial guide groove 2431 includes a radial high groove section corresponding to the axial high groove section 2422, a radial low groove section corresponding to the axial low groove section 2423, and a radial descending groove section corresponding to the axial descending groove section 2424, the radial descending groove section extending downward from the radial high groove section to the radial low groove section in the circumferential direction of the radial guide seat 243. It should be noted that the elevation of the hopper assembly 241 is driven and guided by the axial guide groove 2421, and the radial guide wheel 2416 is ensured to move in the radial guide groove 2431 when the hopper assembly 241 moves up and down by forming the radial high groove section, the radial low groove section and the radial descending groove section on the radial guide groove 2431.

Of course, the radial guide groove 2431 may be formed with a uniform groove depth.

as can be seen from fig. 12, in the present embodiment, a linear bearing is disposed between the rotary longitudinal seal seat 231 and the hopper rotating shaft 2412 to guide the relative movement therebetween.

Referring to fig. 14 to 17, in the present embodiment, the hopper rotating shaft 2412 is provided with a hopper connecting rod 2417, and the hopper connecting rod 2417 is fixedly connected to the hopper part 2411, so that the hopper part 2411 can be conveniently mounted and dismounted.

Referring to fig. 14 to 17, in the present embodiment, the hopper connecting rod 2417 is provided with a strip-shaped adjusting hole 2417a extending along a length direction thereof, and the hopper rotating shaft 2412 is provided with an adjusting fitting hole corresponding to the strip-shaped adjusting hole 2417a, so that the position of the hopper connecting rod 2417 can be adjusted to adjust the position of the hopper part 2411.

referring to fig. 14 to 17, in the present embodiment, a hopper fixing base 2418 is sleeved on the hopper rotating shaft 2412, the hopper fixing base 2418 is fixedly connected to the hopper rotating shaft 2412, a hopper fixing portion is formed by protruding a side wall of the hopper fixing base 2418, and the hopper operating shaft 2413 is supported on the hopper fixing portion. The hopper fixing base 2418 is fixedly connected with the hopper rotating shaft 2412, and the hopper mounting base 2414 is positioned between the hopper part 2411 and the hopper fixing base 2418. Thus, the mounting and dismounting of the hopper rotary shaft 2412 can be facilitated.

in another embodiment, the hopper shaft 2412 and the hopper fixing base 2418 may be integrally formed.

referring to fig. 14 to 17, in the present embodiment, the axial guide wheel 2415 includes an axial guide bearing member and an axial wheel member, the axis of the axial guide bearing member being disposed perpendicular to the axis of the hopper rotary shaft 2412 and being held on the hopper mount 2414 by the axial wheel member.

Referring to fig. 14 to 17, in the present embodiment, the radial guide wheel 2416 includes a radial guide bearing member having an axis disposed in parallel with the axis of the hopper rotary shaft 2412 and held on the hopper operation shaft 2413 by the radial wheel member.

referring to fig. 14 to 17, in the present embodiment, an angle is formed between a connection line between the center of the hopper member 2411 and the axis of the hopper rotation shaft 2412 and a connection line between the axis of the hopper operation shaft 2413 and the axis of the hopper rotation shaft 2412.

as can be seen from fig. 14 to 16, the rotating longitudinal seal seat 231 is fixedly provided with a plurality of dust-proof sleeves 2311 which are sleeved outside the hopper rotating shaft 2412, the dust-proof sleeves 2311 are respectively in one-to-one correspondence with the hopper rotating shafts 2412, in this embodiment, the hopper rotating shaft 2412 is fixedly sleeved with a dust-proof cap 2419, and a dust-proof space 2410 for placing the dust-proof sleeves 2311 is formed between the inner wall of the dust-proof cap 2419 and the outer wall of the hopper rotating shaft 2412. Thus, when the hopper assembly 241 moves up and down, the dust-proof sleeve 2311 moves up and down in the dust-proof space 2410 relative to the dust-proof cap 2419 and the hopper rotating shaft 2412, so that the gap between the hopper rotating shaft 2412 and the rotary longitudinal sealing seat 231 can be closed, and the dust is prevented from falling from the gap to corrode equipment and damage the equipment.

In this embodiment, the dust sleeve 2311 is, but not limited to, a stainless steel sleeve, and the bottom end of the dust sleeve 2311 is removably fixed to the rotary longitudinal seal holder 231 by a fastener.

Referring to fig. 18, the package sealing device 400 of the present embodiment includes a worktable 410, a preheating device 420 and a press sealing device 430, the preheating device 420 and the press sealing device 430 are supported on the worktable 410, in the present embodiment, the worktable 410 is used for moving a folded packaging film (not shown) with an open top, a right end (shown right end) of the worktable 410 is butted with a device not shown upstream, the upstream device is used for longitudinally sealing edges of the folded packaging film to form a plurality of cavities respectively opening upwards on the packaging film, and powder is injected into the cavities, and the press sealing device 430 can provide a traction force to the packaging film to pull the packaging film to move. A transmission device 440 is arranged below the extrusion sealing device 430 on the workbench 410, the transmission device 440 is in transmission connection with the extrusion sealing device 430, and a blanking groove is arranged at the left end (shown in the figure) of the workbench 410 for blanking of packaging films.

Referring to fig. 19, a preheating device 420 is used to heat the top edge of the packaging film. The preheating device 420 includes a bar-shaped ironing stand 421 and an ironing assembly 422 supported on the ironing stand 421; the ironing stand 421 has a sliding groove 423 for moving the top-opened folded packaging film; the ironing heat assembly 422 includes a fixed plate 424 fixed on the ironing heat supporter 421, a movable plate 425 pivotally attached on the fixed plate 424, and heating pipes 426 disposed in the fixed plate 424 and the movable plate 425, respectively; the movable plate 425 and the fixed plate 424 enclose a heating gap for the top edge of the packaging film to slide and communicate with the sliding groove 423. The heating tube 426 may be a red copper electric heating tube, a stainless steel heating tube, or a ceramic heating tube, and the power of the heating tube 426 is between 700W and 1000W. It is easily understood that the top edge of the packaging film is heated by the preheating device 420, so that the sealing effect of the top opening of the packaging film can be ensured.

In the present embodiment, the number of the ironing heat assemblies 422 is, but not limited to, two, and the two ironing heat assemblies 422 are arranged side by side and at intervals in the length direction of the ironing heat supporter 421. The fixing plate 424 has a first mounting hole (not shown) for mounting the heating pipe 426, which penetrates both end surfaces of the fixing plate 424 in a direction parallel to the length direction of the ironing bracket 421; the movable plate 425 has a second mounting hole (not shown) for mounting the heating pipe 426, and the second mounting hole penetrates both end surfaces of the fixed plate 424 in a direction parallel to the length direction of the ironing bracket 421. It should be noted that, because the moving speed of the packaging film is too fast, the two hot stamping assemblies 422 are adopted, so that the heating time of the packaging film can be prolonged, and the heating effect is further improved.

in this embodiment, the preheating device 420 further includes a connecting plate (not shown), and two ends of the connecting plate are respectively connected and fixed to the movable plates 425 of the two ironing assemblies 422, so that the two movable plates 425 can be pressed and opened at the same time, which is convenient for use.

in the present embodiment, a hinge 427 is disposed on the top of the fixed plate 424, and the movable plate 425 is connected to the fixed plate 424 by the hinge 427. Specifically, the movable plate 425 has a certain weight, and after the opening external force is removed, the movable plate 425 can swing downward and toward the fixed plate 424 by gravity, and the movable plate 425 and the fixed plate 424 define the above-mentioned heating gap together.

in the present embodiment, an operating handle 428 is fixedly connected to the movable plate 425 for grasping, so that an operator can hold the operating handle 428 by hand to operate the movable plate 425 to open and close.

Referring to fig. 18, 20 to 22, the extrusion sealing apparatus 430 is used for pressing the top edge of the packaging film passing through the preheating apparatus 420, and the extrusion sealing apparatus 430 includes an extrusion support 4301, an extrusion channel for moving the top-opened folded packaging film, a fixed shaft seat 4302, a sliding shaft seat 4303, a driving shaft 4304, a driven shaft 4305, and a pressing wheel group 4306 for pressing the top edge of the packaging film located in the extrusion channel, where the extrusion channel corresponds to the heating gap; the fixed shaft seat 4302 is fixedly connected with the extrusion support 4301, the sliding shaft seat 4303 is slidably arranged on the extrusion support 4301, the driving shaft 4304 is rotatably supported in the fixed shaft seat 4302, and two ends of the driving shaft 4304 respectively extend out of the end part of the fixed shaft seat 4302; the driven shaft 4305 is rotatably supported in the sliding shaft seat 4303, and two ends of the driven shaft 4305 respectively extend out of the end part of the sliding shaft seat 4303; the pressing wheel group 4306 comprises a driving pressing wheel 4307 which is coaxially arranged with the driving shaft 4304 and fixedly connected with the driving shaft 4304 and a driven pressing wheel 4308 which is coaxially arranged with the driven shaft 4305 and fixedly connected with the driven shaft 4308; the extrusion support 4301 is provided with an adjusting assembly 4309 for driving the sliding shaft seat 4303 to move relative to the extrusion support 4301, and making the driven pressure wheel 4308 abut against the driving pressure wheel 4307. It should be noted that, under the drive of adjusting component 4309, driven pinch roller 4308 can be pressed on active pinch roller 4307, and thus, driven pinch roller 4308 presses and active pinch roller 4307 extrudes the packaging film to pressfitting the opening of packaging film, can provide traction force to the packaging film simultaneously, and the pulling packaging film moves.

in this embodiment, a coupling 4310 is connected to the bottom end of the driving shaft 4304, a driven gear 4311 is sleeved on the driven shaft 4305, and a driving gear 4312 engaged with the driven gear 4311 is connected to the driving shaft 4304. The driving gear 4312 is in key connection with the driving shaft 4304, the driven gear 4311 is in key connection with the driven shaft 4305, the driving shaft 4304 is connected with the shaft of the transmission device 440 through the shaft coupling 4310, so that when the driving shaft 4304 rotates, the driven shaft 4305 is driven to rotate through the driving gear 4312 and the driven gear 4311 which are meshed, and the driving pressure wheel 4307 fixed on the driving shaft 4304 and the driven pressure wheel 4308 fixed on the driven shaft 4305 rotate.

referring to fig. 20 to 22, the extrusion support 4301 includes an upper base plate 4313 and a lower base plate 4314 located below the upper base plate 4313, the fixed shaft seat 4302 is fixedly disposed on the upper base plate 4313, the upper base plate 4313 is provided with an adjustment groove 4315, and the bottom of the sliding shaft seat 4303 is slidably disposed in the adjustment groove 4315; a limiting groove 4316 corresponding to the adjusting groove 4315 and a lower through hole for the driving shaft 4304 to pass through are formed in the lower base plate 4314, and a limiting block 4317 sleeved on the driven shaft 4305 is arranged in the limiting groove 4316; the adjusting assembly 4309 includes an adjusting plate 4318, a first elastic element 4319 and a first operating element 4320, the adjusting plate 4318 is fixed on the upper base plate 4313, the first operating element 4320 has an operating portion, the first elastic element 4319 abuts against the operating portions of the sliding shaft seat 4303 and the first operating element 4320, the adjusting plate 4318 has a first fitting hole 4321 for the operating portion of the first operating element 4320 to be inserted into, an external thread is formed on a side wall of the operating portion of the first operating element 4320, and the first fitting hole 4321 forms an internal thread that is screwed with the external thread. A self-aligning roller bearing 4322 is arranged in the limiting block 4317, and the self-aligning roller bearing 4322 is sleeved on the driven shaft 4305. In this embodiment, the first elastic element 4319 is, but not limited to, a spring, a first retaining cap 4323 is fixed to an end of the first operating member 4320, and the first elastic element 4319 is nested on the first retaining cap 4323. It can be understood that, by screwing the first operating element 4320, the first operating element 4320 moves towards the sliding shaft seat 4303, so as to squeeze the first elastic element 4319 located therebetween, the first elastic element 4319 pushes the sliding shaft seat 4303 after being pressed, and the sliding shaft seat 4303 drives the driven shaft 4305 and the driven pressure wheel 4308 to swing towards the driving shaft 4304, so that the driven pressure wheel 4308 is pressed against the driving pressure wheel 4307.

Referring to fig. 20 to 22, the adjusting assembly 4309 further includes a limiting plate 4324, a second elastic element 4325 and a second operating element 4326, the limiting plate 4324 is fixed on the adjusting plate 4318, the second operating element 4326 has an operating portion, the second elastic element 4325 abuts against the operating portions of the sliding shaft seat 4303 and the second operating element 4326, the limiting plate 4324 has a second fitting hole 4327 for placing the operating portion of the second operating element 4326 therein, an external thread is formed on a side wall of the operating portion of the second operating element 4326, and the second fitting hole 4327 forms an internal thread that is screwed with the external thread. In the present embodiment, the second operating element 4326 is located above the first operating element 4320, the second elastic element 4325 is, but not limited to, a spring, a second retaining cover 4328 is fixed to an end of the second operating element 4326, and the second elastic element 4325 is nested on the second retaining cover 4328. The pressing force between driven pressure wheel 4308 and driving pressure wheel 4307 can be further increased by second operation element 4326, and the structure can be more stable.

referring to fig. 22, heating assemblies are respectively arranged on the fixed shaft seat 4302 and the sliding shaft seat 4303, each heating assembly includes a sleeve heater 4329 and an electric heating block jacket 4330 sleeved outside the sleeve heater 4329, and the heating assemblies raise the temperature of the driving pressure wheel 4307 and the driven pressure wheel 4308, so that hot pressing of the packaging film is realized.

referring to fig. 22, in detail, the driving pressure wheel 4307 is held at an upper end (shown in the figure) of the driving shaft 4304 by a first upper sealing plate 4331, the sleeve heater 4329 is sleeved at the upper end of the driving shaft 4304, an upper half section of the sleeve heater 4329 is wrapped in the driving pressure wheel 4307, and the electric heating block jacket 4330 is sleeved at the upper end of the fixed shaft seat 4302 and is wrapped outside a lower half section of the sleeve heater 4329. A first roller bearing 4332 is arranged between the fixed shaft seat 4302 and the driving shaft 4304, the upper end of the first roller bearing 4332 is limited by a first elastic retainer ring 4333, and the lower end is retained by a first bearing cover 4334. A deep groove ball bearing 4335 is arranged between the driving shaft 4304 and the lower bottom plate 4314, the upper end of the deep groove ball bearing 4335 is retained by a second bearing cover 4336, and a first shaft sleeve 4337 is arranged between the lower end of the deep groove ball bearing 4335 and the driving gear 4312. The driven pinch roller 4308 is held at the upper end (shown in the figure) of the driven shaft 4305 by a second upper sealing plate 4338, the sleeve heater 4329 is sleeved at the upper end of the driven shaft 4305, the upper half section of the sleeve heater 4329 is wrapped in the driven pinch roller 4308, and the electric heating block outer sleeve 4330 is sleeved at the upper end of the sliding shaft seat 4303 and is wrapped outside the lower half section of the sleeve heater 4329. A second roller bearing 4339 is arranged between the sliding shaft seat 4303 and the driven shaft 4305, the upper end of the second roller bearing 4339 is limited by a second elastic retainer ring 4340, and the lower end is retained by a third bearing cover 4341. The self-aligning roller bearing 4322 is provided at an upper end thereof with a spacer 4342, a second bushing 4343 is provided between a lower end thereof and the driven gear 4311, and the lower end of the driven gear 4311 is held on the driven shaft 4305 by a lower seal plate 4344.

Referring to fig. 23 to 25, the transmission device 440 according to the present embodiment includes a transmission input shaft 4401 and a transmission output shaft 4403 rotatably connected to the transmission input shaft 4401, wherein the transmission input shaft 4401 is rotatably connected to the main driving device 250, transmits the power of the output motor to the transmission output shaft 4403, and transmits the power to the driving shaft 4304 of the extrusion sealing device 430 through the transmission output shaft 4403; a first support 4405 and a second support 4407 are arranged on the workbench 410 at intervals, a gear differential 4409 is fixedly arranged between the first support 4405 and the second support 4407, and the gear differential 4409 is respectively in rotating connection with the transmission input shaft 4401 and the transmission output shaft 4403, so that the transmission stability between the transmission input shaft 4401 and the transmission output shaft 4403 is improved; the transmission device 440 further includes a compensation driving element 4413 rotatably connected to the transmission input shaft 4401, and the compensation driving element 4413 is used for compensating the power of the transmission input shaft 4401, so that the transmission efficiency between different operation mechanisms is equal, that is, the same rotation speed of the main driving shaft in each mechanism is ensured, and the kinetic energy loss in the transmission process is compensated.

Further, a gear assembly 4416 is arranged between the gear differential 4409 and the transmission output shaft 4403, the gear assembly 4416 is fixedly connected to the workbench 410, and the kinetic energy transmitted from the transmission input shaft 4401 to the gear differential 4409 is transmitted to the transmission output shaft 4403 by using the gear assembly 4416 fixed on the workbench 410 and is transmitted to the driving shaft 4304 through the transmission output shaft 4403, so that the packaging film which can be pressed and sealed by the extrusion sealing device 430 can be processed.

Further, the transmission device 440 further includes a compensation gear 4402 fixedly disposed on the transmission input shaft 4401, the compensation gear 4402 is rotatably connected to the compensation driving member 4413, and the power compensated by the compensation driving member 4413 is transmitted to the transmission input shaft 4401 through the compensation gear 4402, so as to compensate the power loss in the transmission process.

Further, the compensation driving part 4413 includes a driving motor 4414 and a worm 4415 rotatably connected to the driving motor 4414, the worm 4415 is engaged with the compensation gear 4402, and the power provided by the driving motor 4414 is output through the worm 4415 rotatably connected to the driving motor 4414 and is transmitted to the compensation gear 4402 engaged therewith, and then the power is transmitted to the transmission input shaft 4401 through the compensation gear 4402.

Further, the gear differential 4409 includes a planetary gear 4410, a left half shaft 4411 having a gear, and a right half shaft 4412 having a gear, the gear of the left half shaft 4411 and the gear of the right half shaft 4412 are both engaged with the planetary gear 4410, and the right half shaft 4412 is rotationally connected with the transmission input shaft 4401; the power of the transmission input shaft 4401 and the power compensated by the compensation driving piece 4413 are transmitted to the gear differential 4409 through the right half shaft 4412, and since the left half shaft 4411 with the gear and the right half shaft 4412 with the gear are both meshed with the planetary gear 4410, the power transmitted by the right half shaft 4412 is transmitted to the left half shaft 4411 through the planetary gear 4410, the power is transmitted to the transmission output shaft 4403 rotationally connected with the left half shaft 4411, and the power is transmitted to the driving shaft 4304 through the transmission output shaft 4403.

further, the transmission input shaft 4401 is arranged perpendicular to the transmission output shaft 4403, one end of the transmission output shaft 4403, which faces the transmission input shaft 4401, is provided with a first bevel gear 4404, the gear assembly 4416 comprises a second bevel gear 4418 which is meshed with the first bevel gear 4404, and through the meshing between the first bevel gear 4404 of the transmission output shaft 4403 and the second bevel gear 4418 of the gear assembly 4416, the power on the transmission input shaft 4401 is transmitted to the transmission output shaft 4403 which is perpendicular to the transmission input shaft 4401, which is beneficial to improving the adaptability of the transmission device 440.

referring to fig. 26 and 27, in this embodiment, a first mounting hole for penetrating the transmission input shaft 4401 is disposed on the first support 4405 of the workbench 410, a first bearing 4406 is disposed on the first support 4405 and between the first mounting hole and the transmission input shaft 4401, and by disposing the first bearing 4406 in the first mounting hole, friction between the transmission input shaft 4401 and an inner surface of the first mounting hole is prevented, which results in a large amount of kinetic energy loss during transmission, which is beneficial to reducing loss of kinetic energy during transmission, and prevents a load of the output motor from being increased due to friction between the transmission input shaft 4401 and the inner surface of the first mounting hole, and disposing the first bearing 4406 in the first mounting hole is beneficial to prolonging a service life of the transmission device 440.

further, a second mounting hole through which the left half shaft 4411 of the gear differential 4409 penetrates is formed in the second support 4407, a second bearing 4408 is arranged on the second support 4407 and between the second mounting hole and the left half shaft 4411, and the second bearing 4408 is arranged in the second mounting hole, so that friction between the left half shaft 4411 of the gear differential 4409 and the inner surface of the second mounting hole is prevented, a large amount of kinetic energy is lost in the transmission process, the loss of the kinetic energy in the transmission process is reduced, friction force between the left half shaft 4411 of the gear differential 4409 and the inner surface of the second mounting hole is prevented, the load of an output motor is increased, and the service life of the transmission device 440 is prolonged by the second bearing 4408 arranged in the second mounting hole.

Further, the gear assembly 4416 includes a transmission gear 4417 disposed between the second bracket 4407 and the gear differential 4409, the transmission gear 4417 is disposed coaxially with the transmission input shaft 4401, so that the power on the gear differential 4409 is transmitted to the gear assembly 4416 through the transmission gear 4417 disposed coaxially with the transmission input shaft 4401, and since the transmission gear 4417 is disposed coaxially with the transmission input shaft 4401, the transmission efficiency is optimized, and the transmission loss is minimized.

Referring to fig. 28, the bag separating device 500 provided in this embodiment includes a clamping and conveying device 510 and a cutter device 520, wherein the clamping and conveying device 510 is configured to pull seasoning bags formed by sequentially connecting a plurality of seasoning bags to move; the cutter device 520 is used for shearing the seasoning bag belts between the adjacent seasoning bags to separate the independent seasoning bags; the clamping and conveying device 510 comprises a clamping and conveying bracket 511 and a clamping and conveying mechanism 512 which is arranged on the clamping and conveying bracket 511 and is used for clamping the seasoning packet; the gripping and conveying mechanism 512 includes a conveying chain rotatably mounted on the gripping and conveying frame 511 and a plurality of material gripping members connected and fixed to the conveying chain. The clamping and conveying mechanism 512 and the cutter device 520 of the clamping and conveying device 510 are driven to rotate by the main driving device 250.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A powder packaging machine, comprising:

2. the powder packaging machine of claim 1, wherein said packaging film loading device comprises a vertical plate and, supported on said vertical plate:

3. the powder packaging machine of claim 2, wherein the roller assembly comprises a roller bracket fixed on the vertical plate and a first roller member and a second roller member mounted on the roller bracket, the first roller member and the second roller member are arranged in parallel and at an interval, and the film passing space is formed between the first roller member and the second roller member;

4. the powder packaging machine of claim 1, wherein said filling longitudinal seal comprises:

A substrate;

a column supported on the base plate;

5. The powder packaging machine of claim 4, wherein the powder blanking device comprises a rotary tray and a scraping device which can rotate relatively; the rotary material tray is provided with a material groove, a plurality of discharging holes are formed in the edge of the bottom surface of the material groove, and the discharging holes are arranged at intervals along the circumferential direction of the rotary material tray; the scraping device is arranged in the trough and is arranged at intervals with the bottom surface of the trough, the scraping device comprises a collecting seat with a discharge hole for discharging powder and a scraper component for scraping the powder in the trough, and the scraper component is arranged on the outer wall of the collecting seat.

6. The powder packaging machine of claim 5, wherein said scraper assembly comprises at least one powder guide plate for guiding powder toward the edge of said rotating tray, a residue scraper for pushing and scraping powder, and a residue guide plate for guiding powder toward the center of said rotating tray, said residue scraper being disposed inside said residue guide plate with a predetermined distance from the bottom surface of said chute.

7. The powder packaging machine of claim 4, wherein the hopper assembly comprises a hopper part, a hopper rotating shaft, a hopper operating shaft and a hopper mounting seat, wherein the hopper part is used for being butted with the blanking hole and being inserted into the cavity, the hopper mounting seat is sleeved on the hopper rotating shaft and can rotate relative to the hopper rotating shaft, and the hopper rotating shaft is arranged through the rotary longitudinal sealing seat; one end of the hopper rotating shaft is fixedly connected with the hopper component, the other end of the hopper rotating shaft is fixedly connected with the hopper operating shaft, and the hopper component and the hopper operating shaft are arranged in a manner of deviating from the axis of the hopper rotating shaft; the hopper mounting seat is provided with an axial guide wheel, and the hopper operating shaft is provided with a radial guide wheel; the material receiving and filling device also comprises an axial guide seat supported on the substrate and a radial guide seat positioned outside the axial guide seat; an axial guide groove for the axial guide wheel to slide and enable the hopper assembly to move up and down is formed on the outer wall of the axial guide seat; and a radial guide groove for the radial guide wheel to slide and enable the rotating shaft to rotate is formed on the radial guide seat.

8. The powder packaging machine of claim 1, wherein the packet sealing device comprises:

A table for moving the folded packaging film with the top opening;

A preheating device for heating the top edge of the packaging film; and

9. the powder packaging machine as claimed in claim 8, wherein the pre-heating means comprises a strip-shaped ironing support fixed on the work table and at least one ironing assembly supported on the ironing support; the hot-stamping support is provided with a sliding groove for the movement of the packaging film; the at least one hot stamping assembly comprises a fixed plate fixed on the hot stamping support, a movable plate pivotally attached to the fixed plate and heating pipes respectively arranged in the fixed plate and the movable plate; the movable plate and the fixed plate enclose to form a heating gap which is used for the top edge of the packaging film to slide and is communicated with the sliding groove.

10. the powder packaging machine of claim 1, further comprising a bag divider, said bag divider comprising: