CN208868994U - A kind of charging gear - Google Patents

Abstract

The utility model discloses a kind of charging gears, including feed hopper and the pressure feeding spiral being mounted in the feed hopper, one end of the pressure feeding spiral and screw drives mechanism are sequentially connected, the feed hopper is equipped with feed inlet, and the other end that the pressure feeding spiral is corresponded on the feed hopper is provided with discharge port；The charging gear further includes pressing plate for the material to be pressed to the pressure feeding spiral and is used to drive the movable driving device of the pressing plate.The charging gear can dally in charging gear to avoid material stop pressure feeding spiral caused by the top of pressure feeding spiral, keep the feeding process of charging gear more continuous and uniform, improve the production efficiency and product quality of product, it does not need manually to squeeze material to feed hopper simultaneously, labor intensity of workers is reduced, the safety of production is improved.

Description

A kind of charging gear

Technical field

The utility model belongs to the technical field of material transfer equipment, specifically, being related to a kind of charging gear.

Background technique

The high molecular polymers such as polyvinyl chloride (PVC) carry out plastic granulating in addition inorganic filler (such as calcium carbonate) afterwards, should Plastic granulating is for being processed into the plastic product with new property.And in plastic granulating production line, plastic powder charging gear Yield determines the production efficiency of the entire production line.Plastic powder charging gear includes single-screw feeder and is arranged in spiral shell at present Feed hopper, the discharge bucket on feeder are revolved, feed hopper is located at the side upper end of feed screw, and discharge bucket is located at feed screw Other side lower end, on the fixed feed screw of feed hopper, discharge bucket, plastic powder, plastics are continuously added into feed hopper Powder is fallen into feed screw by self weight, and is squeezed plastic powder by spiral conveyor rod, is come out through discharge port, will Plastic powder, which is squeezed into certain shapes and enters back into Granulation Equipments, is processed into plastic grain.

Since single-screw batcher is fed using single-screw mode of movement, the upward extruding dynamics of single-screw impeller is smaller, And the particle of plastic powder is very thin and has viscosity, plastic powder easily accumulation agglomeration in feed inlet cannot fall into screw feeding In machine, lead to the idle running of spiral conveyor rod and the interruption of feed, this just needs manually to send to check and material is squeezed into spiral Material machine not only increases the labor intensity of worker, also has certain risk；And plastic powder charging gear feed is not Continuously and unevenly, it is relatively low to will cause Granulation Equipments production efficiency, is also easy to that material is caused to occur to build bridge now in Granulation Equipments As influencing plastics product quality made of plastic powder so that gained plastic grain quality is different.

Utility model content

For deficiency above-mentioned in the prior art, the utility model provides a kind of charging gear, solves material and is easily feeding The problem of agglomeration is accumulated in mouthful, improves production efficiency and product quality.

In order to achieve the above object, the solution that the utility model uses is:

The utility model provides a kind of charging gear, including feed hopper and the pressure feeding spiral that is mounted in the feed hopper, One end of the pressure feeding spiral and screw drives mechanism are sequentially connected, and the feed hopper is equipped with feed inlet, right on the feed hopper The other end of the pressure feeding spiral is answered to be provided with discharge port；The charging gear further include for by the material press to it is described to Expect the pressing plate of spiral and for driving the movable driving device of the pressing plate.

Further, the driving device be hydraulic press, the driving device includes hydraulic cylinder, the hydraulic cylinder with The pressing plate connection, the pressing plate are arranged in the feed inlet.

Further, the feed inlet is identical as the size of the feed hopper inner cavity, and the pressure feeding spiral is along the feed The bottom in storehouse is arranged, and the pressing plate is parallel to the bottom of the feed hopper, bottom of the hydraulic cylinder perpendicular to the feed hopper.

Further, the hydraulic press includes column and the rack that is arranged on the column, and the hydraulic cylinder is set It sets in the rack.

Further, the pressing plate is metal plate identical with the form and dimension of the feed inlet.

Further, the pressure feeding spiral is two groups, and every group of pressure feeding spiral includes cone cylinder and helical blade, the helical-blade Piece is welded on the outer surface of the cone cylinder, and the helical blade on two groups of pressure feeding spirals is respectively left-handed blade and dextrorotation Blade.

Further, the screw drives mechanism is first motor.

Further, the charging gear further includes haul mechanism, and the haul mechanism includes conveyer belt and for driving The transmission driving mechanism of the conveyer belt, the conveyer belt is used for will be in material transportation to the feed hopper.

Further, the charging gear further includes PLC control mechanism, the control terminal of the hydraulic press and the biography Driving mechanism is sent to connect respectively with the PLC control mechanism electric signal.

Further, the transmission driving mechanism includes the driving wheel with conveyer belt transmission connection, the driving wheel It is connected with the second motor.

The utility model has the beneficial effects that the material of feed inlet is uniformly squeezed to feed using driving device and pressing plate Storehouse, pressure feeding spiral avoid material stop pressure feeding spiral caused by the top of pressure feeding spiral again by material from discharge port output It dallies in charging gear, keep the feeding process of charging gear more continuous and uniformly, improves the production efficiency and product of product Quality, while not needing manually to squeeze material to feed hopper, labor intensity of workers is reduced, the safety of production is improved.

Detailed description of the invention

Fig. 1 is the structural scheme of mechanism for the charging gear that the utility model first embodiment provides.

Fig. 2 is the structural schematic diagram of feed hopper in the utility model first embodiment.

Fig. 3 is the structural scheme of mechanism for the charging gear that the utility model second embodiment provides.

Fig. 4 is the control planning figure for the charging gear that the utility model second embodiment provides.

In attached drawing: 10- hog frame, 20- pressure feeding spiral, 21- cone cylinder, 22- helical blade, 25- screw drives mechanism, 30- Feed hopper, 31- feed inlet, 32- discharge port, 33- feed hopper, 50- driving device, 51- hydraulic cylinder, 52- piston rod, 53- pressing plate, 55- column, 56- rack, 60- haul mechanism, 61- conveyer belt, 62- transmit driving mechanism, 70-PLC driving mechanism.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below to the technology in the utility model Scheme is clearly and completely described, it is clear that the embodiments are a part of the embodiments of the present invention, rather than complete The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Every other embodiment obtained is put, is fallen within the protection scope of the utility model.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and Operation, therefore should not be understood as limiting the present invention.

Term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition Meaning.

Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments It is contained at least one embodiment of the utility model., which there is the phrase, in each position in the description to be each meant Identical embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art are explicit Ground and implicitly understand, embodiment described herein can be combined with other embodiments.

The utility model is further described below in conjunction with attached drawing:

[first embodiment]

Referring to attached drawing 1, the utility model first embodiment provides a kind of charging gear, including feed hopper 30 and be mounted on to Pressure feeding spiral 20 in feed bin 30, one end of pressure feeding spiral 20 and screw drives mechanism 25 are sequentially connected, feed hopper 30 be equipped with into Material mouth 31, the other end that pressure feeding spiral 20 is corresponded on feed hopper 30 are provided with discharge port 32；Charging gear further includes for by object Material presses to the pressing plate 53 of pressure feeding spiral 20 and for driving the movable driving device 50 of pressing plate 53.Specifically, pressure feeding spiral 20 is It two groups and is symmetrically mounted in feed hopper 30, discharge port 32 is also connected with other materiel machinings by material transportation pipeline and fills It sets, the material squeezed out from feed hopper 30 to be further processed.

In the present embodiment, driving device 50 be hydraulic press, driving device 50 include hydraulic cylinder 51, hydraulic cylinder 51 For example oil cylinder, hydraulic cylinder 51 are equipped with piston rod 52, and piston rod 52 is connected with pressing plate 53, and pressing plate 53 is arranged in feed inlet 31.It should Pressing plate 53, which is used to push the material of feed inlet 31, to be entered in feed hopper 30, keeps the pressure feeding spiral 20 being rotating in feed hopper 30 right Material is squeezed and is transported, and is avoided pressure feeding spiral 20 from dallying, is improved the charge efficiency of charging gear.Using hydraulic press 50 The mode for driving pressing plate 53 has many advantages, such as to push stable, strong antijamming capability and frequency is adjustable.But the utility model is not limited to This, in other embodiments, the driving movable driving device 50 of pressing plate 53 can be electronic screw rod or cylinder etc..

Specifically, feed inlet 31 is identical as the size of 30 inner cavity of feed hopper and is located at the top of pressure feeding spiral 20, feed inlet Feed hopper 33 is provided on 31, the bottom of feed hopper 33 is identical as the shape of feed inlet 31 and size and is connected by welding It connecing, the topside area of feed hopper 33 is greater than bottom and forms inclined-plane with bottom, and pressure feeding spiral 20 is arranged along the bottom of feed hopper 30, Pressing plate 53 is parallel to the bottom of feed hopper 30, bottom of the hydraulic cylinder 51 perpendicular to feed hopper 30.

Further, hydraulic press 50 includes more root posts 55 and the rack 56 being arranged on column 55, hydraulic cylinder 51 It is arranged in rack 56.The quantity of column 55 is four and is used to support hydraulic press 50, column 55 and rack 56, is made hydraulic The height of cylinder 51, piston rod 52 and pressing plate 53 be higher than feed hopper 30 feed inlet 31 and feed hopper 33, make from feed hopper 33 to Feed bin 30 will not be stopped when launching material by pressing plate 53.

In the present embodiment, pressing plate 53 is metal plate identical with the form and dimension of feed inlet 31, so that pressing plate 53 Move up and down the influence that not will receive 33 bottom size of feed hopper, and the material of feed inlet 31 can equably be extruded into In feed bin 30, while material being avoided to be sticked to the edge of pressing plate 53 because of deformation.But the utility model is without being limited thereto, in other realities It applies in example, the form and dimension of pressing plate 53 and feed inlet 31 can not be identical.

In the present embodiment, screw drives mechanism 25 is two first motors, each first motor and one group of pressure feeding spiral 20 are correspondingly connected with.Specifically, two first motors are decelerating motor, and decelerating motor refers to the conglomerate of speed reducer and motor, Purpose using decelerating motor driving pressure feeding spiral 20 is to reduce revolving speed, increases torque, to improve pressure feeding spiral 20 to material Squeezing effect.

The helical blade of helixes feed equipment has entity spiral face, belt type spiral face and three kinds of blade screw face form.Such as Shown in Fig. 2, in the present embodiment, every group of pressure feeding spiral 20 includes 22 (not shown) of cone cylinder 21 and helical blade, the i.e. helical-blade Piece 22 is entity spiral face, is more suitable for granular material and the biggish material of viscosity.Wherein, helical blade 22 is welded on cone cylinder 21 Outer surface, be connected in the tail portion of cone cylinder 21 and screw drives mechanism 25, screw drives mechanism 25 drives the rotation of cone cylinder 21. Helical blade 22 on two groups of pressure feeding spirals 20 is respectively left-handed blade and dextrorotation blade, is respectively connected through two groups of pressure feeding spirals 20 Under the driving of the first motor connect, two groups of pressure feeding spirals 20 are rotated towards heterochiral direction, and it is right that helical blade 22 can be improved The extruding dynamics of the material of top, avoids material accumulation above helical blade 22.But the utility model is without being limited thereto, other In embodiment, helical blade 22 can be belt type spiral face or blade screw face.

In the present embodiment, the tip of the cone cylinder 21 of two groups of pressure feeding spirals 20 passes through discharge port 32, makes material with feed spiral shell The rotation of rotation 20 is transported away from discharge port 32, but the utility model is without being limited thereto, and in other embodiments, discharge port 32 can also To be located at below 21 tip of cone cylinder of pressure feeding spiral 20, material is transported away by the extruding of pressure feeding spiral 20 from discharge port 32.

In the present embodiment, it forms an angle between two groups of pressure feeding spirals 20, specifically, the apical location of two cone cylinders 21 Mutually close, the tail position of two cone cylinders 21 is mutually separate, more preferable to the squeezing effect of material, and extruded shape is more stable.But this reality With novel without being limited thereto, in other embodiments, two groups of pressure feeding spirals 20 are parallel to each other and the center line of the two is located at same water Plane.

As shown in Figure 1, the bottom of feed hopper 30 is further fixed on hog frame 10, hog frame 10 is for propping up feed hopper 30 Support.Specifically, hog frame 10 includes that the supporting table at the top of a plurality of support leg made of steel (figure is not marked) and support leg (is schemed not Mark), it is fixed to each other again by steel between a plurality of support leg, Rubber shock-absorbing pad is arranged in the bottom of supporting table and feed hopper 30 again. In general, feed hopper 30 is fixed on the body of helixes feed equipment, since the feed hopper 30 of the present embodiment is also suffered from from liquid The pressure vertically downward of pressure pressure machine 50, therefore, the setting of hog frame 10 can be further improved the fastness of feed hopper 30 And stability, guarantee that the service life of helixes feed equipment is unaffected.

Charging gear provided in this embodiment, using hydraulic press and pressing plate by the material of feed inlet uniformly squeeze to Feed bin, pressure feeding spiral are realized to the current stabilization conveying of material and weight feed again by material from discharge port output, avoid material stop The pressure feeding spiral caused by the top of pressure feeding spiral dallies in charging gear, keeps the feeding process of charging gear more continuous With it is uniform, improve the production efficiency and product quality of product, do not need yet manually by material to feed hopper squeeze, reduce worker's labor Fatigue resistance improves the safety of production.

[second embodiment]

The charging gear and the utility model first provided referring to attached drawing 3- attached drawing 4, the utility model second embodiment is real Apply example offer charging gear (Fig. 1) the difference is that:

The charging gear of the present embodiment further includes haul mechanism 60, and haul mechanism 60 includes conveyer belt 61 and passes for driving The transmission driving mechanism 62 of band 61 is sent, conveyer belt 61 is used for the material transportation of 61 side of conveyer belt to 61 other side of conveyer belt, It to put into material in feed hopper 33, does not need that manually material is transported in feed hopper 33, saves labour, and real The now automation to charging gear feed and controllable.

Further, charging gear further includes PLC control mechanism 70, the control terminal and transmission driving machine of hydraulic press 50 Structure 62 is connect with 70 electric signal of PLC control mechanism respectively.Specifically, the solenoid valve of PLC control mechanism 70 and hydraulic press 50 (not shown) electrical connection obtains electric and power loss by control solenoid valve, to control the flexible of hydraulic cylinder 51 then with dynamic pressure plate 53 move up and down.

In the present embodiment, transmission driving mechanism 62 includes the driving wheel being sequentially connected with conveyer belt 61, driving wheel connection There is the second motor, the second motor is connect with 70 electric signal of PLC control mechanism, and PLC control mechanism 70 controls the second motor driven and passes The rotation of driving wheel transfers to drive the movement of conveyer belt 61.Specifically, the second motor is decelerating motor.

In the present embodiment, since PLC control mechanism 70 can control moving up and down and conveyer belt 61 for pressing plate 53 simultaneously Transmission, after a certain amount of material is delivered to feed hopper 33 by conveyer belt 61, PLC control mechanism 70 control conveyer belt 61 stop to Charging gear feed, for the material of feed hopper 33 because of gravity slide-in feed inlet, PLC control mechanism 70 controls the pushing of pressing plate 53 again, will The material for being deposited in feed inlet 31 is squeezed in feed hopper 30 and by 20 squeezing action of pressure feeding spiral, after pressing plate 53 lifts PLC control mechanism 70 controls conveyer belt 61 again to be continued to be fed to charging gear, guarantees that material will not be fallen on the top of pressing plate 53, Damage and the material waste of hydraulic press 50 are avoided, realizes the automation continuous feeding to charging gear.

Remaining structure and working principle of the present embodiment can refer to the utility model first embodiment, and details are not described herein.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (10)

1. a kind of charging gear, which is characterized in that including feed hopper (30) and the feed spiral shell being mounted in the feed hopper (30) Revolve (20), one end of the pressure feeding spiral (20) and screw drives mechanism (25) are sequentially connected, the feed hopper (30) be equipped with into Material mouth (31), the other end that the pressure feeding spiral (20) is corresponded on the feed hopper (30) are provided with discharge port (32)；It is described to give Material device further includes pressing plate (53) for material to be pressed to the pressure feeding spiral (20) and for driving the pressing plate (53) living Dynamic driving device (50).

2. charging gear according to claim 1, which is characterized in that the driving device (50) is hydraulic press, institute Stating driving device (50) includes hydraulic cylinder (51), and the hydraulic cylinder (51) connect with the pressing plate (53), and the pressing plate (53) sets It sets in the feed inlet (31).

3. charging gear according to claim 2, which is characterized in that in the feed inlet (31) and the feed hopper (30) The size of chamber is identical, is provided with feed hopper (33) on the feed inlet (31), the bottom of the feed hopper (33) and feed inlet (31) shape and size is identical and is connected by welding and connects, bottom of the pressure feeding spiral (20) along the feed hopper (30) Portion's setting, the pressing plate (53) are parallel to the bottom of the feed hopper (30), and the hydraulic cylinder (51) is perpendicular to the feed hopper (30) bottom.

4. charging gear according to claim 2, which is characterized in that the hydraulic press includes column (55) and setting Rack (56) on the column (55), the hydraulic cylinder (51) are arranged on the rack (56).

5. charging gear according to claim 1, which is characterized in that the pressing plate (53) be and the feed inlet (31) The identical metal plate of form and dimension.

6. charging gear according to claim 1, which is characterized in that the pressure feeding spiral (20) is two groups, every group of feed Spiral (20) includes cone cylinder (21) and helical blade (22), and the helical blade (22) is welded on the appearance of the cone cylinder (21) Face, the helical blade (22) on two groups of pressure feeding spirals (20) is respectively left-handed blade and dextrorotation blade.

7. charging gear according to claim 1, which is characterized in that the screw drives mechanism (25) is first motor.

8. charging gear according to claim 3, which is characterized in that the charging gear further includes haul mechanism (60), The haul mechanism (60) includes conveyer belt (61) and the transmission driving mechanism (62) for driving the conveyer belt (61), described Conveyer belt (61) is used for will be in material transportation to the feed hopper (33).

9. charging gear according to claim 8, which is characterized in that the charging gear further includes PLC control mechanism (70), the control terminal of the hydraulic press and the transmission driving mechanism (62) are electric with the PLC control mechanism (70) respectively Signal connection.

10. charging gear according to claim 8, which is characterized in that the transmission driving mechanism (62) include with it is described The driving wheel of conveyer belt (61) transmission connection, the driving wheel are connected with the second motor.