CN216941356U

CN216941356U - Quantitative blanking and mixing device for plastic granulation

Info

Publication number: CN216941356U
Application number: CN202123387979.7U
Authority: CN
Inventors: 潘燕
Original assignee: Shanghai Runbiao Industrial Co ltd
Current assignee: Shanghai Runbiao Industrial Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-12
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a quantitative blanking and mixing device for plastic granulation, which belongs to the technical field of plastic particle production equipment and comprises a mixing box, two feed inlets and a discharge outlet, wherein two baffle plates are arranged in the mixing box, the two baffle plates divide the interior of the mixing box into two material cavities, the two feed inlets are respectively arranged above the two material cavities, and the bottom of each material cavity is provided with an inclined plate; open the motor during use, the drive driving gear rotates, the intermittent type nature periodic motion that the driving gear drove and resets after driving first driven gear and second driven gear and being rotatory half cycle, drive cam motion, cam and first spring make first transmission piece do the intermittent type nature periodic motion of vertical direction, and then drive the slider and be the same campaign, make the shifting block do the intermittent type nature periodic motion who opens the material chamber and close through second spring and second transmission piece, and when the material chamber was opened to the shifting block, the slider was plugged up the material chamber and is made the material of material chamber upper portion unable the falling, realize the ration and throw the material effect.

Description

Quantitative blanking and mixing device for plastic granulation

Technical Field

The utility model discloses a quantitative blanking and mixing device for plastic granulation, and belongs to the technical field of plastic particle production equipment.

Background

With the continuous development of economy and the continuous progress of science and technology, the application of plastic products is spread in various fields of industry, agriculture and daily life, and in the process of processing and production of plastics, materials required by the production of the plastics need to be sent into a granulator, the materials are melted by heating in the granulator, the melted materials are extruded by a rotating screw rod, then the materials are cooled and molded, and the materials are granulated by a granulating device so as to achieve the purpose of granulation.

However, in the feeding process of the feeding device of the plastic granulator, the fed materials are not subjected to quantitative treatment, namely, the materials are fed, so that the proportion of the fed materials cannot be controlled, poor plasticization of the materials is easy to occur, and the finally obtained finished product cannot meet the actual requirements.

Therefore, a quantitative blanking and mixing device for plastic granulation is needed to be designed, so that the granulator can be quantitatively fed, the bad situation of material plasticization is avoided, and the qualification rate of finished products is ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a quantitative blanking and mixing device for plastic granulation.

The utility model realizes the purpose through the following technical scheme, and the quantitative blanking and mixing device for plastic granulation comprises a mixing box, two feeding ports and a discharging port, wherein two baffle plates are arranged in the mixing box, the two baffle plates divide the interior of the mixing box into two material cavities, the two feeding ports are respectively arranged above the two material cavities, the bottom of each material cavity is provided with an inclined plate, the baffle plates are slidably provided with slide blocks which can be matched with the inclined plates to block the lower parts of the material cavities, a gear set is arranged in the mixing box, cams are arranged on two sides of the gear set, a first connecting piece is arranged between each cam and each slide block, the first connecting pieces are slidably connected with the baffle plates, and the baffle plates are provided with first springs which enable the first connecting pieces to always have the upward movement trend.

Through adopting above-mentioned technical scheme, it is rotatory through gear train control cam, and then the first connecting piece of periodic promotion, because the setting of first spring, the periodic motion that reciprocates is started to first connecting piece, and then drives the slider and do the periodic motion that reciprocates, and the slider cooperatees with the swash plate and can plug up or open material chamber bottom, reciprocates along with the slider periodicity promptly, and the material chamber is also opened and is closed by the periodicity to the whereabouts of quantitative control material.

Preferably, the striker plate bottom rotates and is equipped with the shifting block, shifting block and striker plate connecting portion are equipped with the torsional spring that makes the shifting block have the trend of closing material chamber bottom all the time.

Through adopting above-mentioned technical scheme, the shifting block receives the torsional spring effect, closes material chamber bottom, promotes the shifting block when the slider moves down, opens the material chamber, and the material falls, and the slider moves to meet and plug up the material chamber with the swash plate, and only slider below material falls, realizes the effect of quantitative feeding.

Preferably, a second connecting piece is arranged between the sliding block and the shifting block, and the second connecting piece is connected with the material baffle in a sliding mode and is connected with the sliding block through a second spring.

Through adopting above-mentioned technical scheme, when the slider moves down, promote the shifting block through the second connecting piece, realize opening the purpose in material chamber, second spring coupling slider and second connecting piece, when the slider rebound, make second connecting piece and shifting block reset through second spring and torsional spring.

Preferably, the gear train includes driving gear, first driven gear and second driven gear, driving gear, first driven gear and second driven gear are half full gear, be equipped with the pivot between first driven gear and the second driven gear, the pivot both ends respectively with cam fixed connection, two cam, first driven gear and the coaxial rotation of second driven gear, driving gear, first driven gear and second driven gear rotate with the compounding case respectively and are connected.

By adopting the technical scheme, the driving gear is rotated, the driven gear is driven to rotate by utilizing the gear tooth part of the driving gear, the first driven gear and the second driven gear are all semi-full gears, the driving gear rotates for a circle, the gear teeth of the first driven gear and the second driven gear are disengaged after the first driven gear rotates for a half circle in a forward direction through the engagement of the gear teeth part, the first driven gear and the second driven gear rotate coaxially, the transmission of the semi-full gears only occurs after the gear teeth are engaged, the driving gear rotates for a half circle after being disengaged from the first driven gear and then is engaged with the second driven gear to drive the second driven gear to rotate reversely for a half circle and then disengage, the second driven gear also drives the first gear to reset, the first driven gear and the second driven gear continuously perform intermittent periodic movement of resetting after rotating for a half circle along with the continuous movement of the driving gear, and the two cams also rotate coaxially with the first driven gear and the second driven gear, the first transmission piece, the sliding block, the second transmission piece and the shifting block are driven to do intermittent periodic motion.

Preferably, the top of the mixing box is provided with a driving motor, and the output end of the driving motor is fixedly connected with the driving gear.

Through adopting above-mentioned technical scheme, rotate the driving gear through driving motor's output, play the effect of laborsaving to compare manual drive, electric drive's output is more stable.

Preferably, a stirring roller is arranged between the shifting block and the discharge port, a stirring motor is arranged on the outer wall of the mixing box, and the output end of the stirring motor is fixedly connected with the stirring roller.

Through adopting above-mentioned technical scheme, agitator motor control stirring roller stirs the material that falls from the material chamber, plays preliminary compounding effect before the melting, makes things convenient for follow-up step to go on.

Compared with the prior art, the utility model has the beneficial effects that:

when the device is to be utilized to carry out quantitative feeding, open the motor, the drive driving gear rotates, the driving gear drives first driven gear and second driven gear and is the intermittent type nature periodic motion that resets after rotatory half a week, drive cam motion, cam and first spring make first transmission piece do the intermittent type nature periodic motion of vertical direction, and then drive the slider and be the same motion, make the shifting block do the intermittent type nature periodic motion who opens and close behind the material chamber through second spring and second transmission piece, and when the material chamber was opened to the shifting block, the slider was plugged up the material chamber and is made the material of material chamber upper portion unable the falling, realize the quantitative feeding effect.

Drawings

FIG. 1 is a schematic structural diagram of a quantitative blanking and mixing device for plastic granulation according to the present invention;

FIG. 2 is a schematic structural view of the gear assembly of the present invention;

FIG. 3 is a schematic view of the structure of the slider moving downward according to the present invention.

Reference numerals: 1. a mixing box; 2. a sloping plate; 3. a slider; 4. a first connecting member; 5. a first spring; 6. a cam; 7. a gear set; 8. a drive motor; 9. a material cavity; 10. a second spring; 11. a second connecting member; 12. shifting blocks; 13. a stirring motor; 14. a stirring roller; 15. a discharge port; 16. a first driven gear; 17. a driving gear; 18. a second driven gear; 19. a rotating shaft; 20. a striker plate; 21. and (4) feeding a material inlet.

Detailed Description

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the designated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

As shown in fig. 1, 2 and 3, a quantitative blanking and mixing device for plastic granulation comprises a mixing box 1, a feeding port 21 and a discharging port 15, wherein two baffle plates 20 are arranged in the mixing box 1, the two baffle plates 20 divide the interior of the mixing box 1 into two material cavities 9, the feeding port 21 is arranged above the material cavities 9, an inclined plate 2 is arranged at the bottom of each material cavity 9, a shifting block 12 is arranged at the bottom of each baffle plate 20, a torsional spring is arranged at the joint of the shifting block 12 and the baffle plate 20, the shifting block 12 always has a tendency of closing the material cavities 9 due to the torsional spring, when the material cavities 9 are not pressed, the shifting block 12 closes the material cavities 9 under the action of the torsional spring, and when the material cavities are pressed, the shifting block 12 rotates to open the material cavities 9, and the material cavities 9 are reset after the pressure is removed; a gear set 7 is arranged in the mixing box 1, cams 6 are arranged on two sides of the gear set 7, a sliding block 3 is arranged in the mixing box 1 in a sliding mode, a first connecting piece 4 is arranged between the cam 6 and the sliding block 3, a baffle plate 20 is provided with a first spring 5 enabling the first connecting piece 4 to always have an upward moving trend, the cam 6 rotates under the action of the gear set 7, and under the action of the cam 6 and the first spring 5, the first connecting piece 4 periodically moves in the vertical direction and drives the sliding block 3 to move in the same direction; be equipped with second connecting piece 11 between slider 3 and the shifting block 12, second connecting piece 11 is connected through second spring 10 with slider 3, and slider 3 drives shifting block 12 through second connecting piece 11 and second spring 10 and does the periodic motion of opening and closing behind the material chamber 9 to when the material chamber 9 was opened, slider 3 moved to with 2 looks butt of swash plate, and plugged up the material in material chamber 9 top, realized the effect of periodic ration throwing material.

The gear set 7 comprises a driving gear 17, a first driven gear 16 and a second driven gear 18, the three gears are all semi-full gears, namely the gear teeth on the gears are less than one circle, the first driven gear 16 and the second driven gear 18 coaxially rotate under the influence of a rotating shaft 19, the driving gear 17 is meshed with the first driven gear 16 after rotating for a certain angle to drive the first driven gear 16 to positively rotate for a half circle and then to be meshed and separated, at the moment, the first driven gear 16 is fixed, the driving gear 17 is meshed with the second driven gear 18 after idling for a half circle to drive the second driven gear 18 to reversely rotate for a half circle and then to be separated, and the first driven gear 16 and the second driven gear 18 continuously perform intermittent periodic motion of resetting after rotating for a half circle as the driving gear 17 continuously rotates; under the action of the rotating shaft 19, the first driven gear 16 and the second driven gear 18 respectively rotate coaxially with the two cams 6, so that the first connecting piece 4, the sliding block 3, the second connecting piece 11 and the shifting block 12 are driven to do intermittent periodic motion, and the effect of periodic quantitative feeding is further achieved; the top of mixing box 1 is equipped with

driving motor

8, and 8 output of driving motor and driving gear 17 fixed connection utilize driving motor 8 to control driving gear 17 and rotate, make driving gear 17's rotation more laborsaving more stable simultaneously.

Stirring roller 14 is arranged between shifting block 12 and discharge port 15, stirring motor 13 is arranged on the outer wall of mixing box 1, the output end of stirring motor 13 is fixedly connected with stirring roller 14, stirring motor 13 controls stirring roller 14 to rotate, the material is stirred, and the subsequent melting extrusion process is convenient to carry out.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a quantitative unloading compounding device of plastics granulation, includes mixing box (1), two feed inlets (21) and discharge gate (15), its characterized in that: be equipped with two striker plates (20) in mixing box (1), two striker plate (20) are two mixing box (1) inside division two material chamber (9), two feed inlet (21) are located two material chamber (9) tops respectively, every material chamber (9) bottom is equipped with swash plate (2), striker plate (20) slide to be equipped with can cooperate with swash plate (2) and stop up slider (3) of material chamber (9) below, be equipped with gear train (7) in mixing box (1), gear train (7) both sides are equipped with cam (6), be equipped with first connecting piece (4) between cam (6) and slider (3), first connecting piece (4) and striker plate (20) sliding connection, and striker plate (20) are equipped with first spring (5) that make first connecting piece (4) have the rebound trend all the time.

2. A quantitative blanking and mixing device for plastic granulation according to claim 1, characterized in that: striker plate (20) bottom is rotated and is equipped with shifting block (12), shifting block (12) and striker plate (20) connecting portion are equipped with the torsional spring that makes shifting block (12) have the trend of closing material chamber (9) bottom all the time.

3. A quantitative blanking and mixing device for plastic granulation according to claim 2, characterized in that: be equipped with second connecting piece (11) between slider (3) and shifting block (12), second connecting piece (11) and striker plate (20) sliding connection to be connected through second spring (10) with slider (3).

4. A quantitative blanking and mixing device for plastic granulation according to claim 1, characterized in that: gear train (7) are including driving gear (17), first driven gear (16) and second driven gear (18), driving gear (17), first driven gear (16) and second driven gear (18) are half full gear, be equipped with pivot (19) between first driven gear (16) and second driven gear (18), pivot (19) both ends respectively with cam (6) fixed connection, two cam (6), first driven gear (16) and second driven gear (18) coaxial rotation, driving gear (17), first driven gear (16) and second driven gear (18) rotate with mixing box (1) respectively and are connected.

5. A quantitative blanking and mixing device for plastic granulation according to claim 4, characterized in that: the top of the mixing box (1) is provided with a driving motor (8), and the output end of the driving motor (8) is fixedly connected with a driving gear (17).

6. A quantitative blanking and mixing device for plastic granulation according to claim 3, characterized in that: stirring roller (14) are arranged between the shifting block (12) and the discharge hole (15), a stirring motor (13) is arranged on the outer wall of the mixing box (1), and the output end of the stirring motor (13) is fixedly connected with the stirring roller (14).