CN210679276U

CN210679276U - Plastic raw material dryer

Info

Publication number: CN210679276U
Application number: CN201921652518.8U
Authority: CN
Inventors: 刘加
Original assignee: Shenzhen Prix Electronics Co Ltd
Current assignee: Shenzhen Prix Electronics Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-05
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a plastics raw materials desiccator relates to injection molding machine technical field, and its technical scheme main points are: including the hopper, locate the other fan of hopper, the top of hopper is equipped with the feed inlet, the bottom of hopper is equipped with the discharge gate, the air outlet of fan communicates to the interior bottom of hopper through the tuber pipe, the hopper internal rotation is provided with the stirring body, the hopper top is provided with orders about stirring body pivoted motor, the stirring body includes a plurality of blades that pivot, slope set up, set up a plurality of material holes that supply the raw materials to pass on the blade. By arranging the stirring body and the blades, the drying machine can thoroughly dry the plastic raw materials; the blades can be lifted in a self-adaptive manner when rotating, so that the stirring effect on the raw materials is further improved, and the drying effect is improved; the heating pipe has high heating efficiency to the air in the air pipe, and the drying machine has high drying efficiency to the plastic raw materials.

Description

Plastic raw material dryer

Technical Field

The utility model relates to an injection molding machine technical field, in particular to plastics raw materials desiccator.

Background

The plastic raw materials used by the injection molding machine are generally granules, the plastic raw materials are heated and melted to form liquid, and the liquid plastic is injected into a mold through the injection molding machine, so that a plastic product is produced. The plastic raw material may be affected with damp during storage, and drying measures are required before the plastic raw material is melted into a liquid state, and a dryer is generally used for drying in the prior art.

The prior Chinese utility model with the publication number of CN205668356U discloses a plastic raw material dryer, which comprises a hopper, wherein a hopper cover is detachably arranged on an opening of the hopper, an exhaust bent pipe is communicated with the hopper cover and is connected with an air return pipe, and the other end of the air return pipe is communicated with the hopper; the air blower is communicated with a hot air pipe, a heater is arranged in the hot air pipe, the hot air pipe is communicated with a hopper, a temperature sensor is arranged in the hopper and is in signal connection with a controller, and the controller is in signal connection with the heater and the air blower respectively.

The above prior art solutions have the following drawbacks: the raw materials are dried by hot air in the dryer, and because the raw materials are in a relatively static state, moisture at the contact surface of the adjacent raw materials is difficult to contact with the hot air, and the dryer has the defect of incomplete drying.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a plastics raw materials desiccator, comparatively thorough to the stoving of raw materials.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a plastics raw materials desiccator, includes the hopper, locates the other fan of hopper, the top of hopper is equipped with the feed inlet, the bottom of hopper is equipped with the discharge gate, the air outlet of fan communicates to the interior bottom of hopper through the tuber pipe, the hopper internal rotation is provided with the stirring body, the hopper top is provided with orders about stirring body pivoted motor, the stirring body includes a plurality of blades that pivot, slope set up, set up the material hole that a plurality of confession raw materials passed on the blade.

Through the technical scheme, the plastic raw materials are poured into the hopper through the feeding hole by personnel, and then the personnel switch on the power supplies of the fan and the motor to start the drying process. When the blade is rotatory, the blade stirs the plastics raw materials, and the turning to of motor sets up to: part of the raw material turns over the top of the blade along the inclined plane of the blade, and the other part of the raw material passes through the material hole and enters the position of the next blade. When the blades play a good stirring effect, the resistance of the raw materials to the rotation of the blades is not too large, and the motor is prevented from being burnt out. When the blades stir the raw materials, air blown out by the air pipes passes through the air holes to enter the cylindrical sections, and the air upwards passes through gaps among the raw materials to dry the raw materials. Because the blade stirs the raw materials in step, then the moisture homoenergetic of raw materials has the chance of contact with wind, and this desiccator is comparatively thorough to the stoving of raw materials.

Preferably, the blade is fixed with the sleeve, outside the pivot was located to the sleeve cover, the sleeve can slide along the axial of pivot, the sleeve can't rotate for the pivot, the edge of blade is equipped with the guide block, the inside wall of hopper is equipped with and supplies the gliding guide way of guide block embedding, the guide way forms the annular along the circumference of hopper, the guide way is the pitch arc bending in vertical direction.

Through the technical scheme, when the motor operates, the motor drives the stirring body to integrally rotate. When sleeve and blade rotate, the limiting displacement of blade receipt guide block, guide way, the blade can be along with the orbit self-adaptation lift in vertical direction of guide way, makes the blade can play the effect of better stirring plastics raw materials.

Preferably, the outer wall of pivot is equipped with the fixed key, telescopic inner wall is equipped with the keyway, the axial of pivot is all followed to the length direction of fixed key, keyway, the fixed key slides and sets up in the keyway.

Through above-mentioned technical scheme, through fixed key and keyway, realized the assembly of sleeve with the pivot, can realize that the sleeve slides along the axial of pivot, the sleeve can't carry out pivoted function for the pivot.

Preferably, the hopper comprises a cylindrical section and a funnel section positioned at the lower end of the cylindrical section, and the discharge port is positioned at the bottom end of the funnel section; the air pipe is communicated with the hopper section, a material partition plate is arranged in the hopper and is positioned between the cylindrical section and the hopper section, and the stirring body is positioned above the material partition plate; the material separating plate is provided with a plurality of air holes, the size of the air holes can not be penetrated by raw materials, the material separating plate is provided with a blanking hole for the raw materials to penetrate, and the blanking hole is communicated with the discharge hole.

Through above-mentioned technical scheme, separate the flitch and be used for restricting the raw materials and drop downwards, communicate behind the tuber pipe blowing air of funnel section, the cylindricality section is blown in more evenly to wind energy through each gas pocket to play better drying effect to the raw materials.

Preferably, a partition plate is inserted into the outer wall of the hopper, two ends of the partition plate are respectively positioned inside and outside the hopper, and the partition plate can be switched to be in two states of closing a blanking hole and opening the blanking hole in a sliding mode.

Through above-mentioned technical scheme, during the feeding, the baffle is located the position of closing the blanking hole in advance, because of blockking of separation flitch, and the plastic materials is located the cylindricality section. Through setting up the baffle, the feed inlet need not to keep the feeding state always, treats that drying process carries out the sufficient time after, and the personnel take the baffle out again and carry out the unloading to the raw materials after the drying, can guarantee that the raw materials is reliably dried.

Preferably, two sliding strips are fixed on the lower plate surface of the material separating plate, the two sliding strips are parallel to each other, and sliding grooves for the sliding connection of the partition plates are formed in the side walls, opposite to each other, of the two sliding strips.

Through above-mentioned technical scheme, draw runner and spout are used for providing the direction for the slip of baffle, improve the sliding stability of baffle.

Preferably, a heating pipe is arranged in the air pipe, an electric heating wire penetrates through the heating pipe, and two ends of the heating pipe are located outside the air pipe.

Through the technical scheme, the two ends of the electric heating wire can be conveniently connected with a power supply; after the heating pipe generates heat, the heat of the heating pipe is transferred to air blown out by the fan to form hot air, and the drying efficiency of the raw materials is improved.

Preferably, the heating pipe in the air pipe is coiled into a spiral shape, the length direction of the spiral body formed by the heating pipe is along the length direction of the air pipe, the spiral body is provided with an inner hole with two through ends, and a space is reserved between the outer wall of the spiral body and the inner wall of the air pipe.

Through the technical scheme, the contact area of the spiral heating pipe and the air is large, and the inner hole of the spiral body, the outer wall of the spiral body and the air pipe can be in contact with the air, so that efficient heat exchange is realized, and the temperature of the air blown out by the air pipe is improved. On the basis, the wind resistance generated by the heating pipe is small, and the air circulation in the air pipe is smooth.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. by arranging the stirring body and the blades, the drying machine can thoroughly dry the plastic raw materials;

2. the blades can be lifted in a self-adaptive manner when rotating, so that the stirring effect on the raw materials is further improved, and the drying effect is improved;

3. the heating pipe has high heating efficiency to the air in the air pipe, and the drying machine has high drying efficiency to the plastic raw materials.

Drawings

FIG. 1 is a perspective view of a plastic feedstock dryer of an embodiment;

FIG. 2 is a cross-sectional view of an embodiment of a plastic feedstock dryer;

FIG. 3 is a perspective view of the stirring body of the embodiment;

FIG. 4 is a schematic view of a guide groove of an embodiment;

fig. 5 is a structural view of a material partition plate and a partition plate of the embodiment.

In the figure, 1, a hopper; 2. a fan; 11. a feed inlet; 12. a discharge port; 3. an air duct; 4. a motor; 13. a cylindrical section; 14. a funnel section; 5. a stirring body; 51. a rotating shaft; 52. a sleeve; 53. a blade; 531. material holes; 511. a fixed key; 521. a keyway; 532. a guide block; 131. a guide groove; 6. a material separating plate; 61. a blanking hole; 62. air holes; 7. a partition plate; 63. a slide bar; 631. a chute; 31. heating the tube.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a plastics raw materials desiccator, including hopper 1, locate hopper 1 other fan 2, hopper 1's top is equipped with feed inlet 11, and hopper 1's bottom is equipped with discharge gate 12, and fan 2's air outlet communicates to hopper 1's interior bottom through tuber pipe 3, and hopper 1's top surface is fixed with motor 4.

Hopper 1 includes cylindricality section 13, is located the funnel section 14 of cylindricality section 13 lower extreme, and funnel section 14 is big-end-up's round platform shape, and discharge gate 12 is located the bottom of funnel section 14, and tuber pipe 3 communicates in funnel section 14, and motor 4 is fixed in the top surface center of cylindricality section 13, and the output shaft of motor 4 is vertical down and penetrates in hopper 1.

Referring to fig. 2 and 3, the cylindrical section 13 is rotatably provided with the stirring body 5, the stirring body 5 includes a rotating shaft 51, a sleeve 52 sleeved outside the rotating shaft 51, and a plurality of blades 53 fixed on the outer wall of the sleeve 52, the blades 53 are uniformly distributed in the circumferential direction of the sleeve 52, and all the blades 53 are inclined at the same angle, so that the blades 53 are shaped like a fan; each blade 53 is provided with a plurality of material holes 531 for raw materials to pass through. The fixed key 511 is integrally fixed to the outer wall of the rotating shaft 51, the key groove 521 is formed in the inner wall of the sleeve 52, the fixed key 511 and the key groove 521 are both arranged in the axial direction of the rotating shaft 51 in the longitudinal direction, and the fixed key 511 is slidably arranged in the key groove 521, so that the sleeve 52 can slide in the axial direction of the rotating shaft 51, and the sleeve 52 cannot rotate relative to the rotating shaft 51. The length of the fixing key 511 is greater than that of the key groove 521, so that the sleeve 52 has a sufficient displacement space along the axial direction of the rotating shaft 51, the rotating shaft 51 is coaxially fixed on the output shaft of the motor 4, and when the motor 4 operates, the motor 4 drives the stirring body 5 to integrally rotate.

Referring to fig. 3 and 4, a guide block 532 is fixed to the top edge of each blade 53, the inner side wall of the cylindrical section 13 is provided with a guide groove 131 for the guide block 532 to be inserted and slide, the guide groove 131 forms a circular groove along the circumferential direction of the hopper 1, and the guide groove 131 is curved in an arc in the vertical direction, that is, the length direction of the guide groove 131 is offset in the vertical direction. When the sleeve 52 and the blade 53 rotate, the blade 53 is limited by the guide block 532 and the guide groove 131, and the blade 53 can be lifted and lowered in a vertical direction along with the track of the guide groove 131.

Referring to fig. 2 and 5, a material partition plate 6 is horizontally arranged inside the hopper 1, the material partition plate 6 is specifically positioned between the cylindrical section 13 and the funnel section 14, and the material partition plate 6 partitions the cylindrical section 13 and the funnel section 14. The center of the material separating plate 6 is provided with a blanking hole 61 for raw materials to pass through, and the blanking hole 61 is communicated with the discharge port 12 and is just above the discharge port 12. The plate surface of the material separating plate 6 is provided with a plurality of air holes 62, the size of the air holes 62 can not be penetrated by raw materials, and the air holes 62 are used for allowing the wind blown out by the wind pipe 3 to enter the cylindrical section 13.

A partition plate 7 is horizontally inserted into the outer wall of the hopper 1, two ends of the partition plate 7 are respectively positioned inside and outside the hopper 1, and the height position of the top surface of the partition plate 7 is tightly attached to the lower plate surface of the material partition plate 6. Two sliding strips 63 are fixed on the lower plate surface of the material partition plate 6, the two sliding strips 63 are parallel to each other and are respectively positioned on two sides of the blanking hole 61, sliding grooves 631 for the partition plate 7 to be in sliding connection are formed in the side walls, opposite to each other, of the two sliding strips 63, and the partition plate 7 is embedded into the sliding grooves 631 through the side walls in the width direction and is in sliding connection with the sliding grooves 631. The partition 7 can be switched between two states of closing the blanking hole 61 and opening the blanking hole 61 by sliding.

Referring to fig. 1 and 2, a heating pipe 31 is provided in the duct 3, and the heating pipe 31 is spirally wound. The length direction of the spiral body formed by the heating pipe 31 is along the length direction of the air pipe 3, the spiral body is provided with an inner hole with two through ends, and a space is reserved between the outer wall of the spiral body and the inner wall of the air pipe 3. Two ends of the heating pipe 31 penetrate out of the air pipe 3 from the side wall of the air pipe 3, an electric heating wire penetrates through the heating pipe 31, and two ends of the electric heating wire can be conveniently connected with a power supply. When the fan 2 works and the heating pipe 31 generates heat, the air blown out by the fan 2 passes by the heating pipe 31, and the heat of the heating pipe 31 is transferred to the air to form hot air. The contact area of the spiral heating pipe 31 and the air is large, and the inner hole of the spiral body, the outer wall of the spiral body and the air pipe 3 can be in contact with the air, so that efficient heat exchange is realized, and the temperature of the air blown out by the air pipe 3 is increased. On the basis, the wind resistance generated by the heating pipe 31 is small, and the air circulation in the air pipe 3 is smooth.

The plastic raw material dryer has the following working conditions: the partition plate 7 is positioned at the position for closing the blanking hole 61 in advance, and a person pours the plastic raw material into the hopper 1 through the feeding hole 11; due to the blocking of the material separating plate 6, the plastic material is located in the cylindrical section 13. Then, the person turns on the power supply of the fan 2, the motor 4 and the heating pipe 31 to start the drying process.

When blade 53 is rotatory, blade 53 stirs the plastics raw materials, and the turning to of motor 4 sets up to: a portion of the raw material turns over the top of the blade 53 along the slope of the blade 53, and a portion of the raw material passes through the material hole 531 and enters the next blade 53. The blades 53 have a good stirring effect, and simultaneously, the resistance of the raw materials to the rotation of the blades 53 is not too large, so that the motor 4 is prevented from being burnt out. Since the blade 53 is also automatically lifted in the vertical direction, the blade 53 can play a better role in stirring the plastic raw material.

While the blades 53 stir the raw materials, hot air blown out by the air duct 3 passes through the air holes 62 and enters the cylindrical section 13, and the hot air passes through the gaps between the raw materials upwards to dry the raw materials. Because blade 53 stirs the raw materials in step, then the moisture homoenergetic of raw materials has the chance of contact with hot-blast, and this desiccator is comparatively thorough to the stoving of raw materials, and drying efficiency is high. After the raw materials are dried, the personnel pull out the partition plate 7, and the raw materials fall off from the hopper 1 through the blanking hole 61 and the discharge hole 12 in sequence to finish blanking.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a plastics raw materials desiccator, includes hopper (1), locates other fan (2) of hopper (1), the top of hopper (1) is equipped with feed inlet (11), the bottom of hopper (1) is equipped with discharge gate (12), the air outlet of fan (2) communicates to the interior bottom of hopper (1) through tuber pipe (3), characterized by: the internal rotation of hopper (1) is provided with stirring body (5), hopper (1) top is provided with and orders about stirring body (5) pivoted motor (4), stirring body (5) are including pivot (51), a plurality of blades (53) that the slope set up, set up material hole (531) that a plurality of confession raw materials passed on blade (53).

2. The plastic feedstock dryer as set forth in claim 1, wherein: blade (53) are fixed with sleeve (52), outside pivot (51) was located to sleeve (52) cover, sleeve (52) can slide along the axial of pivot (51), sleeve (52) can't rotate for pivot (51), the edge of blade (53) is equipped with guide block (532), the inside wall of hopper (1) is equipped with and supplies guide block (532) embedding gliding guide way (131), the circumference formation annular of hopper (1) is followed in guide way (131), guide way (131) are the pitch arc bending in vertical direction.

3. The plastic feedstock dryer as set forth in claim 2, wherein: the outer wall of pivot (51) is equipped with fixed key (511), the inner wall of sleeve (52) is equipped with keyway (521), the axial of pivot (51) is all followed to the length direction of fixed key (511), keyway (521), fixed key (511) slide to set up in keyway (521).

4. The plastic feedstock dryer as set forth in claim 1, wherein: the hopper (1) comprises a cylindrical section (13) and a hopper section (14) positioned at the lower end of the cylindrical section (13), and the discharge hole (12) is positioned at the bottom end of the hopper section (14); the air pipe (3) is communicated with the hopper section (14), a material partition plate (6) is arranged inside the hopper (1), the material partition plate (6) is positioned between the cylindrical section (13) and the hopper section (14), and the stirring body (5) is positioned above the material partition plate (6); the material separating plate is characterized in that a plurality of air holes (62) are formed in the material separating plate (6), the size of each air hole (62) cannot be penetrated by raw materials, blanking holes (61) for the raw materials to penetrate through are formed in the material separating plate (6), and the blanking holes (61) are communicated with the discharge hole (12).

5. The plastic feedstock dryer as set forth in claim 4, wherein: a partition plate (7) is inserted into the outer wall of the hopper (1), two ends of the partition plate (7) are respectively located inside and outside the hopper (1), and the partition plate (7) can be switched to be in two states of closing a blanking hole (61) and opening the blanking hole (61) in a sliding mode.

6. The plastic feedstock dryer as set forth in claim 5, wherein: two sliding strips (63) are fixed on the lower plate surface of the material separating plate (6), the two sliding strips (63) are parallel to each other, and sliding grooves (631) for the partition plates (7) to be connected in a sliding mode are formed in the side walls, opposite to the sliding strips (63), of the two sliding strips (63).

7. The plastic feedstock dryer as set forth in claim 1, wherein: the heating device is characterized in that a heating pipe (31) is arranged in the air pipe (3), an electric heating wire is arranged in the heating pipe (31) in a penetrating mode, and two ends of the heating pipe (31) are located outside the air pipe (3).

8. The plastic feedstock dryer as set forth in claim 7, wherein: heating pipe (31) in tuber pipe (3) are coiled into the spiral, the length direction of the helicoid length direction that heating pipe (31) formed along tuber pipe (3), its spirochaeta has the hole that both ends link up, leaves the interval between the inner wall of the outer wall of its spirochaeta and tuber pipe (3).