CN213020749U

CN213020749U - A hopper formula desiccator for producing polymer rubber and plastic automotive interior

Info

Publication number: CN213020749U
Application number: CN202022110115.XU
Authority: CN
Inventors: 平涛; 乔伶云; 魏振兰; 韩玉霞
Original assignee: Beijing Huaqiang Nine Nine Auto Parts Co ltd
Current assignee: Beijing Huaqiang Nine Nine Auto Parts Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-04-20
Anticipated expiration: 2030-09-23

Abstract

The utility model relates to a hopper formula desiccator for producing polymer rubber and plastic automotive interior, it includes the feed cylinder, bottom intercommunication at the feed cylinder has the drying chamber, top at the feed cylinder is provided with the feed inlet, bottom at the drying chamber is provided with the discharge gate, be provided with the fan that is used for convulsions in one side of feed cylinder, the intercommunication has the heating pipe between fan and drying chamber, there is the blast pipe at feed cylinder top intercommunication, transverse rotation is connected with a plurality of pivot in the feed cylinder, end connection at the pivot has the pivot pivoted drive assembly of ordering about, it is provided with a plurality of stirring leaf to encircle a shaft a week in the pivot, the extending direction of stirring leaf is the same with the extending direction of pivot, still be provided with the convex arch to pivot rotation direction on stirring leaf. This application has the characteristics that promote hopper formula desiccator drying effect.

Description

A hopper formula desiccator for producing polymer rubber and plastic automotive interior

Technical Field

The application relates to the field of injection molding processing, in particular to a hopper type dryer for producing high polymer rubber and plastic automotive interior.

Background

The production of the automobile plastic parts is mainly completed by an injection molding machine, and the raw materials of the parts are plastic particles; the plastic particles are the main raw materials for manufacturing plastic products, the plastic particles are easy to absorb moisture to form lumps, the quality of the plastic products made of the moistened plastic particles can be obviously reduced, and the plastic products have certain damage to an injection molding machine, so that the plastic particles are dried by a plastic drying machine in one process before injection molding.

Related art for example, chinese invention with publication number CN106426632A provides a hopper type plastic drying machine, which comprises a drying chamber, a fan and an exhaust pipe, wherein a hopper is fixedly installed at the top center of the drying chamber, a discharge chamber is fixedly installed at the bottom center of the drying chamber, the fan is connected to the lower end side surface of the drying chamber, an operation panel and a heater are arranged in a connecting pipeline between the fan and the drying chamber, the exhaust pipe is connected to the top end side edge of the drying chamber, and an air filter screen is installed at the exhaust port of the exhaust pipe.

In view of the above-mentioned related art, the inventors consider that the drying effect of the dryer on the plastic granules is to be improved.

SUMMERY OF THE UTILITY MODEL

In order to promote the drying effect of hopper formula desiccator, this application provides a hopper formula desiccator for producing polymer rubber and plastic automotive interior.

The application provides a hopper formula desiccator for producing polymer rubber and plastic automotive interior adopts following technical scheme:

the utility model provides a hopper formula desiccator for producing polymer rubber and plastic automotive interior, including the feed cylinder, bottom intercommunication at the feed cylinder has the drying chamber, top at the feed cylinder is provided with the feed inlet, bottom at the drying chamber is provided with the discharge gate, be provided with the fan that is used for convulsions in one side of feed cylinder, the intercommunication has the heating pipe between fan and drying chamber, top intercommunication has the blast pipe at the feed cylinder, transverse rotation is connected with a plurality of pivot in the feed cylinder, end connection in pivot has the pivot pivoted drive assembly of ordering about, it is provided with a plurality of stirring leaf to encircle a week in the pivot, the extending direction of stirring leaf is the same with the extending direction of pivot, still be provided with on stirring leaf to the convex arch of pivot rotation direction.

By adopting the technical scheme, the fan absorbs air and heats the air under the action of the heating pipe, and hot air enters the drying chamber and rises, passes through the charging barrel and is discharged by the exhaust pipe; the drive assembly drives the rotating shaft with the stirring blades to rotate, the stirring blades disperse the plastic particles falling in the charging barrel, so that the plastic particles are more uniform in drying, and the protrusions on the stirring blades have impact dispersion effects on the adhered plastic particles.

Optionally, the stirring blade is provided with a plurality of through holes penetrating through the stirring blade, and the diameter of each through hole is larger than that of each plastic particle.

Through adopting above-mentioned technical scheme, the through-hole can make plastic granules pass through on the one hand to the plastic granules of mutual adhesion of effective dispersion, on the other hand reducible resistance to the plastic granules to the stirring leaf, thereby reduce drive assembly's energy consumption.

Optionally, the cross section of the protrusion is triangular, and the extending direction of the protrusion is perpendicular to the extending direction of the stirring blade.

By adopting the technical scheme, the tips of the triangular protrusions have a good impact dispersion effect on the adhered plastic particles.

Optionally, the rotating shafts are at least provided with two rotating shafts, the driving assembly comprises a driving motor arranged on the charging barrel, a driving gear and a plurality of driven gears, one side of the driving gear is connected with one rotating shaft, the other side of the driving gear is connected with the driving motor, the driven gears are connected with the remaining rotating shafts, and a chain is sleeved on the driving gear and the driven gears and meshed with the driving gear and the driven gears.

Through adopting above-mentioned technical scheme, driving motor orders about the driving gear and rotates, and the driving gear drives the chain and rotates, and the chain drives driven gear and rotates to make a plurality of pivots rotate in step, drive assembly overall structure is simple and practical, easily installation.

Optionally, set up on the feed cylinder lateral wall and put the first hole of stepping down, at the downthehole demountable installation of the first hole of stepping down there is an install bin, driving motor sets up in the one side that the install bin deviates from the feed cylinder, and driving gear, driven gear and chain all set up in the install bin.

Through adopting above-mentioned technical scheme, can take off the install bin when needs maintenance or change stirring leaf to be convenient for change stirring leaf.

Optionally, a second yielding hole corresponding to the rotating shaft is formed in one side, away from the first yielding hole, of the charging barrel, the one end, away from the installation box, of the rotating shaft penetrates out of the second yielding hole, and the bearing, at the end part of the rotating shaft, of the inner ring sleeve is installed on the outer wall, provided with the second yielding hole, of the charging barrel.

Through adopting above-mentioned technical scheme, the pivot is inlayed and is located on the bearing, and reducible pivot rotates the frictional resistance of in-process, reduces the wearing and tearing and reduces the rotational energy loss simultaneously.

Optionally, a plurality of clamping grooves are formed in the inner wall of the bearing inner ring in a surrounding mode, and a clamping block which is movably embedded in the clamping grooves is arranged on the circumferential surface of the end portion of the rotating shaft.

Through adopting above-mentioned technical scheme, operating personnel aim at arbitrary joint groove with the joint piece and insert, can make the inner circle joint of pivot and bearing fixed to be convenient for install the pivot on the bearing.

Optionally, an annular surrounding plate is hermetically connected to the outside of the drying chamber, a closed annular cavity is formed between the surrounding plate and the drying chamber, an air supply branch pipe is communicated between the heating pipe and the annular cavity, and an air outlet branch pipe is communicated between the annular cavity and the exhaust pipe.

By adopting the technical scheme, part of hot air enters the annular cavity through the air supply branch pipe to heat the outer wall of the drying chamber, so that the drying effect of plastic particles in the drying chamber is improved, and the hot air subjected to heat exchange is discharged through the air supply branch pipe and the exhaust pipe in sequence.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the fan absorbs air and heats the air under the action of the heating pipe, and the hot air enters the drying chamber and rises, passes through the charging barrel and is discharged by the exhaust pipe; the driving assembly drives the rotating shaft with the stirring blade to rotate, the stirring blade disperses falling plastic particles in the charging barrel, so that the plastic particles are dried more uniformly, and the protrusions on the stirring blade have an impact dispersion effect on the adhered plastic particles;

2. the rotating shaft is embedded in the bearing, so that the friction resistance in the rotating process of the rotating shaft can be reduced, the abrasion is reduced, and the rotating energy loss is reduced;

3. partial hot air enters the annular cavity through the air supply branch pipe to heat the outer wall of the drying chamber, so that the drying effect of the plastic particles in the drying chamber is improved, and the hot air subjected to heat exchange is discharged through the air supply branch pipe and the exhaust pipe in sequence.

Drawings

FIG. 1 is a sectional view of a hopper dryer for producing polymer rubber-plastic automotive interior according to an embodiment of the present disclosure showing an annular cavity;

FIG. 2 is a rear view of a hopper dryer for producing polymer rubber-plastic automotive interiors according to an embodiment of the present application;

FIG. 3 is a schematic view showing a structure for stirring plastic particles;

FIG. 4 is a cross-sectional view showing the drive assembly;

fig. 5 is an exploded view showing the fitting relationship of the rotating shaft, the bearing and the fixed cylinder.

Description of reference numerals: 1. a charging barrel; 10. a feed inlet; 11. installing a box; 110. an ear plate; 111. fastening screws; 12. a fixed cylinder; 120. carrying out top thread; 13. a first abdicating hole; 14. a second abdicating hole; 2. a drying chamber; 20. a discharge port; 3. a supporting seat; 4. a fan; 40. a control cabinet; 41. heating a tube; 5. an exhaust pipe; 50. a filter screen; 6. a rotating shaft; 60. stirring blades; 600. a protrusion; 601. a through hole; 61. a clamping block; 7. a drive assembly; 70. a drive motor; 71. a driving gear; 72. a driven gear; 73. a chain; 8. a bearing; 80. a clamping groove; 81. a mounting seat; 9. enclosing plates; 90. an air supply branch pipe; 91. an air outlet branch pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a hopper formula desiccator for producing polymer rubber and plastic automotive interior. Referring to fig. 1 and 2, a hopper formula desiccator for producing polymer rubber and plastic automotive interior includes feed cylinder 1, is provided with feed inlet 10 at the top of feed cylinder 1, has drying chamber 2 in the bottom intercommunication of feed cylinder 1, and drying chamber 2 is hourglass hopper-shaped, is provided with discharge gate 20 and is used for supporting the supporting seat 3 of drying chamber 2 in drying chamber 2 bottom.

A fan 4 for extracting air is arranged on one side of the charging barrel 1, a control cabinet 40 for controlling the fan 4 is arranged at the bottom of the fan 4 and is communicated with a heating pipe 41 for heating air, an electric heating wire is arranged in the heating pipe 41 in the embodiment, and the heating pipe 41 is communicated with the drying chamber 2; an exhaust pipe 5 is arranged at the other side of the charging barrel 1, one end of the exhaust pipe 5 is communicated with the top of the charging barrel 1, and a filter screen 50 is arranged at the other end of the exhaust pipe 5.

Referring to fig. 1 and 3, three rotating shafts 6 are horizontally arranged at the bottom in the charging barrel 1, the three rotating shafts 6 are parallel to each other, four stirring blades 60 are uniformly and fixedly wound on the rotating shafts 6, the stirring blades 60 are rectangular strips, and the extending direction of the stirring blades 60 is the same as that of the rotating shafts 6; a plurality of protrusions 600 protruding towards the rotation direction of the stirring blade 60 are uniformly arranged on the stirring blade 60 along the extension direction of the stirring blade 60, the cross section of each protrusion 600 is triangular, and the extension direction of each protrusion 600 is perpendicular to the extension direction of the stirring blade 60; the stirring blade 60 is provided with a plurality of through holes 601 penetrating through two side walls of the stirring blade 60 at the positions of two adjacent protrusions 600, and the diameter of each through hole 601 is larger than the particle size of the plastic particles.

The first hole 13 of stepping down has been seted up on a lateral wall of 1 bottom perpendicular to 6 extending direction of pivot of feed cylinder, and first hole 13 of stepping down is the rectangle mouth that the level set up, and demountable installation has one with the install bin 11 of first hole 13 adaptation of stepping down in first hole 13 of stepping down, has an otic placode 110 in each rigid coupling of install bin 11 both sides, and the spiro union has a fastening screw 111 that is used for fixing otic placode 110 on 1 lateral wall of feed cylinder on otic placode 110.

Referring to fig. 3 and 4, a driving assembly 7 for driving the rotating shaft 6 to rotate is disposed at an end of the rotating shaft 6, the driving assembly 7 includes a driving motor 70 fixedly mounted on an outer wall of the mounting box 11, an output shaft of the driving motor 70 penetrates into the mounting box 11, a driving gear 71 located in the mounting box 11 is fixedly connected to an end of the output shaft, an end of the outermost rotating shaft 6 penetrates through the mounting box 11 and is fixedly connected to the driving gear 71, two driven gears 72 are rotatably connected to the inside of the mounting box 11, ends of the remaining two rotating shafts 6 are respectively fixedly connected to the two driven gears 72, and a chain 73 is engaged with the driving gear 71 and the two driven gears 72; the driving motor 70 drives the driving gear 71 to rotate, the driving gear 71 drives the chain 73 to rotate, and the chain 73 drives the two driven gears 72 to rotate, so that the three rotating shafts 6 rotate synchronously.

Referring to fig. 3 and 5, a clamping block 61 is fixedly connected to the circumferential surface of the rotating shaft 6 at the end far away from the installation box 11, and three second abdicating holes 14 for the three rotating shafts 6 to respectively and movably penetrate are formed in the side wall of the charging barrel 1 far away from the first abdicating hole 13; be provided with a bearing 8 at the tip of pivot 6, the inner circle of bearing 8 encircles and has seted up a plurality of supplies joint piece 61 and inlay the joint groove 80 of establishing, bearing 8 inlays to be established on being fixed in a mount pad 81, mount pad 81 is cylindricly, the rigid coupling has a solid fixed cylinder 12 on feed cylinder 1 is close to the outer wall of mount pad 81, gu fixed cylinder 12 and the coaxial setting of mount pad 81, gu fixed cylinder 12 is both ends open-ended tube structure, gu fixed cylinder 12's internal diameter is greater than the external diameter of mount pad 81, even spiro union has four jackscrews 120 that are used for supporting tight fixed mount pad 81 on gu fixed cylinder 12's perisporium.

In order to improve the drying effect of the plastic particles, an annular surrounding plate 9 is fixedly connected to the periphery of the drying chamber 2 in a surrounding and sealing manner, an annular cavity is formed between the inner wall of the surrounding plate 9 and the outer wall of the drying chamber 2, a gas supply branch pipe 90 is communicated between the heating pipe 41 and the annular cavity, a gas outlet branch pipe 91 is communicated between the annular cavity and the exhaust pipe 5, and the gas supply branch pipe 90 and the gas outlet branch pipe 91 are respectively positioned on two sides of the charging barrel 1.

The implementation principle of the hopper type dryer for producing the high polymer rubber and plastic automotive interior in the embodiment of the application is as follows: an operator turns on the driving motor 70, and the driving motor 70 sequentially drives the driving gear 71, the chain 73 and the driven gear 72, so as to drive the three rotating shafts 6 to rotate and the stirring blade 60 to rotate; starting a fan 4 and a heating pipe 41, then putting plastic particles into the charging barrel 1 from the feeding hole 10, pumping air by the fan 4 and generating hot air under the heating action of the heating pipe 41 to air-dry the falling plastic particles, rotating the stirring blade 60 to stir the plastic particles, wherein the protrusions 600 on the stirring blade 60 are beneficial to impacting, dispersing and sticking the plastic particles together, and the through holes 601 on the stirring blade 60 can be used for the plastic particles to pass through, and on the other hand, the effect of sticking the plastic particles by the dispersed phase is achieved, and meanwhile, the resistance is reduced, so that the energy consumption of the driving motor 70 is reduced; when the stirring blade 60 needs to be maintained or replaced, the mounting box 11 can be taken down from the charging barrel 1; hot air is introduced into the annular cavity between the coaming 9 and the drying chamber 2 to heat the bottom of the drying chamber 2, so that the drying effect on plastic particles is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hopper formula desiccator for producing polymer rubber and plastic automotive interior which characterized in that: comprises a charging barrel (1), a drying chamber (2) is communicated with the bottom of the charging barrel (1), a feed inlet (10) is arranged at the top of the charging barrel (1), a discharge outlet (20) is arranged at the bottom of the drying chamber (2), a fan (4) for air draft is arranged on one side of the charging barrel (1), a heating pipe (41) is communicated between the fan (4) and the drying chamber (2), the top of the charging barrel (1) is communicated with an exhaust pipe (5), a plurality of rotating shafts (6) are transversely and rotatably connected in the charging barrel (1), the end part of the rotating shaft (6) is connected with a driving component (7) which drives the rotating shaft (6) to rotate, a plurality of stirring blades (60) are arranged on the rotating shaft (6) around the rotating shaft (6), the extension direction of the stirring blades (60) is the same as that of the rotating shaft (6), the stirring blade (60) is also provided with a bulge (600) protruding towards the rotating direction of the rotating shaft (6).

2. The hopper type dryer for producing high molecular rubber and plastic automotive interior according to claim 1, characterized in that: a plurality of through holes (601) penetrating through the stirring blades (60) are formed in the stirring blades (60), and the diameter of each through hole (601) is larger than that of each plastic particle.

3. The hopper type dryer for producing high molecular rubber and plastic automotive interior according to claim 1, characterized in that: the cross section of the bulge (600) is triangular, and the extending direction of the bulge (600) is vertical to the extending direction of the stirring blade (60).

4. The hopper type dryer for producing high molecular rubber and plastic automotive interior according to claim 1, characterized in that: the rotating shaft (6) is at least provided with two, the driving assembly (7) comprises a driving motor (70) arranged on the charging barrel (1), a driving gear (71) and a plurality of driven gears (72), wherein one side of the driving gear is connected with one rotating shaft (6), the other side of the driving gear is connected with the driving motor (70), the plurality of driven gears (72) are connected with the residual rotating shaft (6), and a chain (73) is sleeved and meshed on the driving gear (71) and the driven gears (72).

5. The hopper type dryer for producing high molecular rubber and plastic automotive interior according to claim 4, wherein: offer on feed cylinder (1) lateral wall and put first hole of stepping down (13), demountable installation has an install bin (11) in first hole of stepping down (13), and driving motor (70) set up in one side that install bin (11) deviate from feed cylinder (1), and driving gear (71), driven gear (72) and chain (73) all set up in install bin (11).

6. The hopper type dryer for producing high molecular rubber and plastic automotive interior according to claim 5, wherein: one side that first hole (13) of stepping down was kept away from in feed cylinder (1) is seted up the second hole (14) of stepping down that corresponds with pivot (6), and the one end that install bin (11) were kept away from in pivot (6) is worn out second hole (14) of stepping down, installs bearing (8) that the inner circle cover located pivot (6) tip on feed cylinder (1) is equipped with the outer wall of second hole (14) of stepping down.

7. The hopper type dryer for producing high molecular rubber and plastic automotive interior according to claim 6, wherein: a plurality of clamping grooves (80) are arranged on the inner wall of the inner ring of the bearing (8) in a surrounding manner, and a clamping block (61) which is movably embedded in the clamping grooves (80) is arranged on the circumferential surface of the end part of the rotating shaft (6).

8. The hopper type dryer for producing high molecular rubber and plastic automotive interior according to claim 1, characterized in that: the drying chamber is characterized in that an annular surrounding plate (9) is connected to the outer side of the drying chamber (2) in a sealing mode, a closed annular cavity is formed between the surrounding plate (9) and the drying chamber (2), an air supply branch pipe (90) is communicated between the heating pipe (41) and the annular cavity, and an air outlet branch pipe (91) is communicated between the annular cavity and the exhaust pipe (5).