CN214002085U - Powder unloading mechanism and powder packaging machine - Google Patents

Abstract

The utility model discloses a powder blanking mechanism, which comprises a powder hopper, a quantitative blanking device and a transfer hopper, spiral unloading auger, bag body guide support cylinder and powder unloading pipe, the glassware sets up in the feed opening department of powder hopper under the ration, the vertical setting of bag body guide support cylinder and the bottom opening intercommunication of upper end opening and transfer hopper, the lower extreme bilateral symmetry of bag body guide support cylinder be equipped with the binding off bracing piece, the lower extreme and a fender slat fixed connection of two binding off bracing pieces, be equipped with centre bore and air vent on the fender slat, powder unloading pipe upper end and the lower extreme intercommunication of bag body guide support cylinder inner chamber, the lower extreme of powder unloading pipe is stretched out downwards by the centre bore, the passageway that runs through from top to bottom is preset in the section of thick bamboo wall of guide support cylinder, the blast pipe passes and the upper end is close to the upper portion opening of transfer hopper in the passageway, the lower extreme is stretched out downwards by. Also discloses a powder packaging machine which comprises the powder discharging mechanism. The powder bag has the advantages of relatively simple structure, good quantitative effect, no material blockage and small influence of powder on the hot-pressing sealing opening due to the attachment of powder on the bag wall.

Description

Powder unloading mechanism and powder packaging machine

Technical Field

The utility model belongs to the equipment for packing field, concretely relates to powder unloading mechanism and powder packagine machine.

Background

The following problems generally exist when powder is packaged: when powder falls into a packaging bag, raised dust is difficult to avoid, and the raised dust is attached to a to-be-heat-sealed area of a bag opening to generate adverse effect on subsequent heat sealing, so that the problem of poor sealing is easily caused; its ration unloading mechanism exists two extremes, and it is the structure more complicated to be some, easy putty when with high costs and unloading, and some are that the structure is too simple in addition, and the measurement is inaccurate during the ration unloading, leads to packing uniformity poor. Therefore, it is necessary to provide a new powder discharging mechanism and a powder packaging machine with the same to solve the deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a powder unloading mechanism and powder packaging machine aims at solving the conventional powder packaging machine's among the prior art powder unloading mechanism structural design unreasonable and influence hot pressing seal effect and quantitative unloading packing effect scheduling technical problem that leads to.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a powder blanking mechanism comprises a powder hopper, a quantitative blanking device, a transfer hopper, a spiral blanking auger, a bag body guide supporting cylinder and a powder blanking pipe, wherein the quantitative blanking device is arranged at the blanking port of the powder hopper and used for quantitative blanking of the transfer hopper, the bag body guide supporting cylinder is vertically arranged, the upper end opening of the bag body guide supporting cylinder is communicated with the bottom opening of the transfer hopper, the lower end of the bag body guide supporting cylinder is bilaterally and symmetrically provided with a closing-up supporting rod which gradually extends outwards, the lower end of the closing-up supporting rod is respectively and fixedly connected with the two ends of a material blocking strip plate which extends leftwards and rightwards, the material blocking strip plate is provided with a central hole and an air vent, the upper end of the powder blanking pipe is communicated with the lower end of the inner cavity of the bag body guide supporting cylinder, the lower end of the powder blanking pipe extends downwards from the central hole, and the spiral blanking auger sequentially penetrates through the transfer hopper and the transfer hopper from top to bottom, The inner cavity of the material guide supporting cylinder extends into the powder discharging pipe, the upper end of the threaded discharging auger is fixedly connected with the output end of a discharging motor above the transfer hopper, a channel which penetrates through the material guide supporting cylinder up and down is preset in the cylinder wall of the material guide supporting cylinder, the exhaust pipe penetrates through the channel, the upper end of the exhaust pipe is close to the upper opening of the transfer hopper, and the lower end of the exhaust pipe extends out downwards from the vent hole.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the transfer hopper is in a cone shape with a thick upper part and a thin lower part, and a vibration exciter is fixedly arranged on the outer wall of the transfer hopper.

Adopt above-mentioned further scheme's beneficial effect be, the vibration exciter can prevent effectively that the powder from adhering to on the inner wall of transfer hopper.

Further, the material blocking strip plate is oval, and the long axis of the material blocking strip plate extends along the left-right direction.

The beneficial effects of adopting above-mentioned further scheme are that, circular form sack receives about two binding off bracing pieces effects can close up into the ellipse shape, consequently oval fender material slat can effectually be to the sack shutoff, dust fly off to the sack when preventing the powder from getting into the bag body and treat the hot-pressing sealed region.

Further, the quantitative feeder is a star-shaped feeder.

The star-shaped feeder has the advantages of simple structure, mature technology and convenient use and maintenance.

Further, the powder hopper and the blanking motor are respectively fixed above the transfer hopper through a supporting plate.

The beneficial effect who adopts above-mentioned further scheme is that, the mounting means is simple, easy fixed and dismantlement.

A powder packaging machine comprises the powder blanking mechanism.

Compared with the prior art, the utility model discloses a technological effect and advantage:

the quantitative blanking device below the powder hopper can quantitatively blank materials into the transfer hopper, and the spiral auger driven by the blanking motor arranged on the transfer hopper can smoothly and completely feed the materials quantitatively falling into the transfer hopper into the packaging bag according to the packaging amount of the next bag body each time; the lower end of the bag body material guide supporting cylinder is provided with a closing-in supporting rod and a material blocking strip plate, the tubular packaging bag is closed into an oval shape under the action of the closing-in supporting rod, the material blocking strip plate is positioned at the opening of the bag, a powder material discharging pipe and an exhaust pipe penetrate through the material blocking strip plate, when powder material falls down, gas in the bag is directly discharged into an upper empty bin of the transfer hopper through the exhaust pipe, powder raised dust is prevented from attaching to a bag wall area above the material blocking strip plate under the action of the material blocking strip plate, after the powder material is filled, the bag body moves downwards for a small section, and then the bag body is subjected to hot-press sealing by a hot-press sealing mechanism, so that the packaging of a bag of powder material is completed; the structure is relatively simple, the quantitative effect is good, material blockage is avoided, and the influence of powder on the hot-pressing sealing opening is small.

Drawings

Fig. 1 is a schematic view of a powder blanking mechanism provided by the present invention;

FIG. 2 is a schematic view of the powder blanking mechanism shown in FIG. 1 cut away in the direction indicated by the arrow (the spiral blanking auger and the exhaust pipe are not shown);

fig. 3 is a top view of the striker plate of fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a powder hopper; 2. a quantitative feeder; 3. a transfer hopper; 4. a spiral blanking auger; 5. a bag body material guiding support cylinder; 6. a powder blanking pipe; 7. a closing support rod; 8. a material blocking strip plate; 9. a central bore; 10. a vent hole; 11. a blanking motor; 12. a channel; 13. an exhaust pipe; 14. a vibration exciter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, if terms indicating orientation such as "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the utility model provides a powder blanking mechanism, which comprises a powder hopper 1, a quantitative blanking device 2, a transfer hopper 3, a spiral blanking auger 4, a bag body guide supporting cylinder 5 and a powder blanking pipe 6, wherein the quantitative blanking device 2 is arranged at the blanking port of the powder hopper 1 for quantitative blanking of the transfer hopper 3 downwards, the bag body guide supporting cylinder 5 is vertically arranged, the upper end opening is communicated with the bottom opening of the transfer hopper 3, the lower end of the bag body guide supporting cylinder 5 is bilaterally and symmetrically provided with a closing-up supporting rod 7 which gradually extends outwards, the lower end of the two closing-up supporting rods 7 is respectively and correspondingly and fixedly connected with the two ends of a baffle strip plate 8 which extends leftwards and rightwards, the baffle strip plate 8 is provided with a central hole 9 and an air vent 10, the upper end of the powder blanking pipe 6 is communicated with the lower end of the inner cavity of the bag body guide supporting cylinder 5, the lower extreme of powder unloading pipe 6 by centre bore 9 stretches out downwards, spiral unloading auger 4 passes from last to down in proper order the transfer hopper 3 stretch into behind the inner chamber of guide support cylinder in the powder unloading pipe 6, the upper end of screw thread unloading auger with the output fixed connection of the unloading motor 11 of transfer hopper 3 top, preset the passageway 12 that runs through from top to bottom in the section of thick bamboo wall of guide support cylinder, blast pipe 13 follows pass in the passageway 12 and the upper end is close to the upper portion opening of transfer hopper 3, the lower extreme by air vent 10 stretches out downwards.

The bag body material guiding support cylinder is sleeved with a long cylindrical plastic packaging film with openings at the upper end and the lower end, the long cylindrical plastic packaging film can be rolled into a cylinder shape by a single-layer plastic film in advance, then is subjected to hot-press forming, and then is sleeved on the bag body material guiding support cylinder, or can be directly rolled into a cylinder shape on the material guiding support cylinder by the single-layer plastic film and is subjected to hot-press forming by a hot-press sealing mechanism with one side vertically arranged; the long cylindrical plastic packaging film on the material guiding support cylinder is driven by the conveying belts at two sides to move downwards under the action of friction, the above structure is a conventional way of forming and moving downwards the bag body of the existing powder packaging machine, and persons skilled in the art know that more structural details are not described herein.

The utility model discloses an embodiment, transfer hopper 3 is the awl tube-shape thick on the top and thin down, fixed vibration exciter 14 that is equipped with on the outer wall of transfer hopper 3.

It will be appreciated that the vibration exciter is preferably controlled by the same controller as the quantitative feeder, preferably being started and stopped synchronously, with the vibration exciter being started synchronously for each subsequent quantity.

In an embodiment of the present invention, the baffle strip plate 8 is oval and the long axis thereof extends in the left-right direction.

In one embodiment of the present invention, the quantitative feeder 2 is a star-type feeder.

In an embodiment of the present invention, the powder hopper 1 and the discharging motor 11 are fixed above the transfer hopper 3 through a support plate, respectively.

The basic working principle of the utility model is that the quantitative weighing device under the powder hopper can quantitatively feed materials to the transfer hopper, and the spiral auger which is arranged on the transfer hopper and is driven by the feeding motor can smoothly and completely feed the materials with quantitative weight falling into the transfer hopper into the packaging bag according to the packaging amount of the next bag body each time; the lower end of the bag body material guide supporting cylinder is provided with a closing-up supporting rod and a material blocking strip plate, a tube-shaped packaging bag is closed up to be oval under the action of the closing-up supporting rod, first hot-press sealing is carried out by a hot-press sealing mechanism transversely arranged below the closing-up supporting rod to form sealing at the bottom of the bag, then the packaging bag moves downwards for a certain distance, the material blocking strip plate is positioned at the position of a bag opening, a powder material discharging pipe and an exhaust pipe penetrate through the material blocking strip plate, when powder material falls into the packaging bag, gas in the bag directly enters an empty bin which is not occupied by the powder material at the upper part of a transfer hopper through the exhaust pipe, powder raising dust falling into the packaging bag cannot be attached to a bag wall area above the material blocking strip plate under the action of the material blocking strip plate, after the powder material is filled, the bag body slightly moves downwards for a small section, then hot-press sealing (bag opening sealing) is carried out again by the hot-press sealing mechanism transversely arranged below the closing-up supporting rod, and packaging of a bag of the powder material is completed, cutting while performing the second hot pressing, and separating the packaged powder bag body from the upper long cylindrical plastic packaging film; the structure is relatively simple, the quantitative effect is good, material blockage is avoided, and the influence of powder on the hot-pressing sealing opening is small.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. A powder blanking mechanism is characterized by comprising a powder hopper (1), a quantitative blanking device (2), a transfer hopper (3), a spiral blanking auger (4), a bag body guide supporting cylinder (5) and a powder blanking pipe (6), wherein the quantitative blanking device (2) is arranged at the blanking port of the powder hopper (1) and is used for quantitative blanking of the transfer hopper (3) downwards, the bag body guide supporting cylinder (5) is vertically arranged, an upper end opening is communicated with a bottom opening of the transfer hopper (3), closing-up supporting rods (7) which gradually extend outwards are symmetrically arranged at the left and right of the lower end of the bag body guide supporting cylinder (5), the lower ends of the two closing-up supporting rods (7) are respectively and correspondingly and fixedly connected with the two ends of a left and right extending material blocking strip plate (8), a center hole (9) and an air vent (10) are arranged on the material blocking strip plate (8), the improved bag material feeding device is characterized in that the upper end of a powder discharging pipe (6) is communicated with the lower end of an inner cavity of a bag material guiding support cylinder (5), the lower end of the powder discharging pipe (6) is extended downwards from a center hole (9), a spiral discharging auger (4) sequentially penetrates through a transfer hopper (3) from top to bottom and extends into the inner cavity of the material guiding support cylinder after being extended into the powder discharging pipe (6), the upper end of the spiral discharging auger is fixedly connected with the output end of a discharging motor (11) above the transfer hopper (3), a channel (12) which penetrates through the guide support cylinder from top to bottom is preset in the cylinder wall of the material guiding support cylinder, an exhaust pipe (13) penetrates through the channel (12) and the upper end of the exhaust pipe is close to an upper opening of the transfer hopper (3), and the lower end of the exhaust pipe is extended downwards from an air vent (10).

2. The powder blanking mechanism of claim 1, wherein the transfer hopper (3) is in a shape of a cone with a thick upper part and a thin lower part, and a vibration exciter (14) is fixedly arranged on the outer wall of the transfer hopper (3).

3. The powder blanking mechanism of claim 1, wherein the baffle plate (8) is oval and the long axis of the baffle plate extends in the left-right direction.

4. Powder blanking mechanism according to claim 1, characterized in that the quantitative feeder (2) is a star-shaped feeder.

5. A powder blanking mechanism as claimed in any one of claims 1 to 4, wherein said powder hopper (1) and said blanking motor (11) are fixed above said transfer hopper (3) by means of respective support plates.

6. A powder packaging machine comprising a powder blanking mechanism according to any one of claims 1 to 5.

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