CN214491149U

CN214491149U - Plastic stirrer

Info

Publication number: CN214491149U
Application number: CN202120791940.2U
Authority: CN
Inventors: 字城坤; 字健水
Original assignee: Shaanxi Flying Pipe Technology Co ltd
Current assignee: Shaanxi Flying Pipe Technology Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-10-26
Anticipated expiration: 2031-04-16

Abstract

The application relates to a plastic mixer, it includes the agitator, sets up discharge tube on the agitator and sets up the feeding box in the agitator below, and the agitator with throw the feeding box and be linked together its characterized in that each other: the material throwing device comprises a feeding barrel, a spiral feeding blade, a rotating shaft and a throwing ring, wherein one end of the rotating shaft is rotatably connected to the stirring barrel, and the other end of the rotating shaft sequentially extends into the stirring barrel and the feeding box and is rotatably connected with the feeding box; the spiral feeding blade is arranged on the rotating shaft along the axial direction of the rotating shaft, the feeding barrel is coaxially sleeved on the spiral feeding blade, and the side wall of the feeding barrel is fixedly arranged on the stirring barrel and is communicated with the feeding box; the parabolic ring is coaxially and fixedly arranged on the spiral feeding blade and is rotatably connected with the top wall of the feeding barrel. This application can make the mixture of raw materials more even.

Description

Plastic stirrer

Technical Field

The application relates to the field of stirring devices, in particular to a plastic stirring machine.

Background

In the manufacturing process of plastics, synthetic resin and various additives are manufactured through processes of stirring, heating and melting, extrusion molding and the like, and the additives of plastic raw materials are various and comprise fillers, plasticizers, stabilizers, lubricants, pigments and the like, so that the raw materials need to be uniformly mixed by using a plastic stirrer before heating and melting so as to ensure the quality of plastic products.

Chinese patent application No. 201420030600.8 discloses a plastics mixer, including the agitator, the case of throwing, a discharge gate and a discharge opening for supporting the support of agitator and establishing on the agitator, be equipped with rabbling mechanism in the agitator, be equipped with conveying mechanism and push-pull valve on the discharge gate, conveying mechanism is including carrying the hob, the cover is established and is being established the transport sleeve outside carrying the hob, and carry the carousel, carry hob one end to arrange in on carrying the carousel, the transport sleeve that the other end exposes outside, the transport sleeve outer detachable is connected with the mouth of pipe and arranges the transport pipe fitting on the heating furnace in, be equipped with the first driving motor that the carousel function was carried in the drive on the agitator. When the raw materials are stirred, the raw materials are placed in the feeding box, the threaded stirring shaft is driven to rotate through the stirring turntable, and then the raw materials in the feeding box are driven to ascend until the raw materials reach the top end of the stirring sleeve and are thrown away to be mixed with the rest raw materials in the stirring barrel.

In view of the above-described related art in which the raw material is thrown out by the centrifugal force generated by the rotating screw agitator shaft, the inventors consider that the distance of the raw material throwing out is small, so that the raw material near the portion of the agitator sleeve and the portion near the inner wall of the agitator barrel are not uniformly mixed.

SUMMERY OF THE UTILITY MODEL

In order to make the mixture of raw materials more even, this application provides a plastic mixer.

The application provides a plastic mixer adopts following technical scheme:

a plastic stirrer comprises a stirring barrel, a discharge pipe arranged on the stirring barrel, a feeding box arranged below the stirring barrel and communicated with the feeding box, and a material throwing device, wherein one end of the rotating shaft is rotatably connected to the stirring barrel, and the other end of the rotating shaft sequentially extends into the stirring barrel and the feeding box and is rotatably connected with the feeding box; the spiral feeding blade is axially arranged on the rotating shaft along the rotating shaft, the feeding barrel is coaxially sleeved on the spiral feeding blade, and the side wall of the feeding barrel is fixedly arranged on the stirring barrel and communicated with the feeding box; the parabolic ring is coaxially and fixedly arranged on the spiral feeding blade and is rotatably connected to the top wall of the feeding barrel.

By adopting the technical scheme, when plastic raw materials are stirred, the raw materials are poured into a feeding box in sequence, the rotating shaft is adjusted to rotate, the spiral feeding blade is driven to rotate, the raw materials in the feeding box are driven to rise from the bottom until the raw materials reach the top end of the feeding barrel, the raw materials flow out to a parabolic ring along the inner ring of the parabolic ring, then the raw materials are thrown and scattered in an umbrella shape along the centrifugal force under the action of the rotating parabolic ring, the raw materials fall to the bottom and slide to a feeding barrel, and the raw materials are stirred in a stirring barrel in a rolling manner, so that the mixing of the plastic raw materials is realized; the last feed cylinder, spiral material loading blade, pivot and the thing ring of throwing that set up can carry the raw materials at the agitator bottom to the agitator top, and the thing ring is thrown to the rethread, increases the diameter that the raw materials was thrown for the raw materials can diffuse in the agitator by a large scale, makes the more even of plastics raw materials mixture, and then improves the quality of plastics.

Optionally, at least two groups of arc-shaped blanking seams distributed along the circumferential direction of the parabolic ring are coaxially formed in the parabolic ring, two adjacent groups of the blanking seams are not communicated with each other, and any group of the blanking seams is distributed along the radial direction of the parabolic ring.

Through adopting above-mentioned technical scheme, the unloading seam that sets up can be so that partly along with the whereabouts of unloading seam of the raw materials on the thing ring of throwing away under the effect of centrifugal force of another part throws away the thing ring to make the raw materials distribution between feed cylinder and the agitator inner wall more even, and then make the mixture of raw materials more even, thereby improve the quality of the plastic products of manufacturing.

Optionally, the blanking seam is obliquely arranged, one end, close to the bottom wall, of the blanking seam is far away from the feeding barrel, and one end, close to the bottom wall, of the blanking seam is close to the feeding barrel.

Through adopting above-mentioned technical scheme, can make the raw materials to keeping away from the motion of parabolic ring direction when parabolic ring rotates, the motion direction of unloading seam adaptation raw materials, the raw materials of being convenient for fall and throw away from along the unloading seam, improve the circulation rate of raw materials for the efficiency that the raw materials mixes.

Optionally, a plurality of guide strips are arranged on the parabolic ring along the circumferential direction, one end of each guide strip is flush with the inner ring of the parabolic ring, and the other end of each guide strip is flush with the outer ring of the parabolic ring.

Through adopting above-mentioned technical scheme, the gib block of setting can separate the raw materials on the thing ring of throwing for the raw materials on the thing ring of throwing separates evenly, and makes the raw materials throw out along with the gib block, thereby makes the raw materials of throwing out more even, makes the mixture of raw materials more even.

Optionally, the stirring device further comprises a stirring device, the stirring device comprises at least one stirring blade, the stirring blade is circumferentially arranged along the rotating shaft, and the stirring blade is fixedly arranged above the parabolic ring and arranged between the inner wall of the stirring barrel and the upper charging barrel around the parabolic ring.

Through adopting above-mentioned technical scheme, the stirring vane of setting can rotate through the pivot and provide power and rotate, stirs the raw materials in the agitator, further improves the homogeneity of raw materials stirring in the agitator.

Optionally, the bottom wall of the feeding box is obliquely arranged, and one end of the bottom wall of the feeding box, which is close to the rotating shaft, is lower than the other end of the bottom wall of the feeding box.

Through adopting above-mentioned technical scheme, the raw materials of throwing in the workbin can be close to spiral feeding blade under the action of gravity, and the raw materials of being convenient for in the workbin of throwing rises along spiral feeding blade, and the raw materials that reduce in the workbin of throwing is piled up.

Optionally, the inner wall of the feeding box is connected with a conveying shaft in a rotating mode along the bottom wall, any end of the conveying shaft is close to the rotating shaft, and spiral anti-blocking blades are fixedly arranged on the conveying shaft.

Through adopting above-mentioned technical scheme, the transport axle that sets up and the spiral prevent stifled blade, through adjusting transport axle rotation, can constantly carry spiral material loading blade department with the raw materials, place the raw materials jam in the batch charging case, guarantee that the passageway in batch charging case and the agitator keeps unblocked.

Optionally, a driving gear is coaxially arranged at one end of the rotating shaft close to the feeding box, and a driven gear meshed with the driving gear is coaxially arranged at one end of the conveying shaft close to the rotating shaft.

Through adopting above-mentioned technical scheme, the driving gear and the driven gear of setting can drive the driving gear through the pivot and rotate and then drive driven gear and carry the synchronous rotation of axle, improve the linkage nature of carrying axle and pivot, save the resource, improve the utilization ratio of kinetic energy.

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

1. the feeding barrel, the spiral feeding blade, the rotating shaft and the parabolic ring are arranged, so that raw materials at the bottom of the stirring barrel can be conveyed to the top of the stirring barrel and are thrown out through the parabolic ring, the thrown diameter of the raw materials is increased, the raw materials can be diffused into the stirring barrel in a large area, the plastic raw materials are mixed more uniformly, and the quality of plastics is improved;

2. the arranged guide strips can separate the raw materials on the parabolic rings, so that the raw materials on the parabolic rings are uniformly separated, and the raw materials are thrown out along with the guide strips, so that the thrown raw materials are more uniform, and the raw materials are more uniformly mixed;

3. the conveying shaft and the spiral anti-blocking blades are arranged, the conveying shaft is adjusted to rotate, raw materials can be continuously conveyed to the spiral feeding blades, the raw materials in the feeding box are placed to be blocked, and the feeding box and a channel in the stirring barrel are guaranteed to be kept smooth.

Drawings

FIG. 1 is a schematic view of the overall structure of a plastic mixer according to an embodiment of the present invention.

FIG. 2 is a schematic view of the inside of the mixing tank, charging barrel, batch box and sealing box according to the embodiment of the present application.

Description of reference numerals: 1. a support; 2. a stirring barrel; 21. a vertical section; 22. a conical section; 23. a straight pipe section; 3. going up and down a ladder; 4. a discharge pipe; 41. opening and closing the valve; 5. a feeding box; 51. a feeding bin; 6. a material throwing device; 61. feeding a material barrel; 62. a helical loading blade; 63. a rotating shaft; 64. a parabolic ring; 641. rotating the ring; 642. a guide strip; 643. blanking seams; 65. a drive member; 7. a stirring device; 71. a support frame; 72. a stirring blade; 8. an anti-blocking device; 81. a delivery shaft; 82. a spiral anti-blocking blade; 83. a sealing box; 84. a driving gear; 85. a driven gear.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a plastic stirrer. Referring to fig. 1 and 2, the plastic mixer comprises a support 1, a mixing barrel 2, an upper ladder 3, a lower ladder 3, a discharge pipe 4, a charging box 5, a throwing device 6, a mixing device 7 and an anti-blocking device 8. The stirring barrel 2 is welded on the support 1, the upper ladder 3 and the lower ladder 3 are welded on the stirring barrel 2 along the vertical direction, the stirring barrel 2 comprises a vertical section 21, a conical section 22 and a straight section 23 which are coaxial and connected in a welding mode from top to bottom, the discharge pipe 4 is welded and communicated on the conical section 22, and the discharge pipe 4 is connected with a switch valve 41 through a flange. The feeding box 5 is arranged below the stirring barrel 2, the throwing device 6 and the stirring device 7 are both arranged in the inner cavity of the stirring barrel 2, and the anti-blocking device 8 is arranged in the feeding box 5.

Referring to fig. 2, the material throwing device 6 comprises a feeding barrel 61, a spiral feeding blade 62, a rotating shaft 63, a throwing ring 64 and a driving piece 65, wherein the driving piece 65 is a servo motor, the servo motor is fixed on the top wall of the vertical section 21 through a bolt, and an output shaft of the servo motor coaxially penetrates through the vertical section 21 and is rotatably connected with the vertical section 21; one end of the rotating shaft 63 is connected with an output shaft of the servo motor through a coupler, and the other end of the rotating shaft passes through the conical section 22 and the straight tube section 23 in sequence and is rotatably connected with the bottom wall of the feeding box 5 through a bearing. The spiral feeding blade 62 is axially welded on the rotating shaft 63 along the rotating shaft 63; the upper charging barrel 61 is coaxially sleeved on the spiral feeding blade 62, the side wall of the upper charging barrel 61 is spot-welded on the stirring barrel 2, and a gap exists between the upper charging barrel 61 and the inner wall of the straight pipe section 23, so that the stirring barrel 2 is communicated with the feeding box 5; the bottom wall of the upper charging barrel 61 is welded on the bottom wall of the feeding box 5, and a feeding hole communicated with the feeding box 5 is formed in the position, close to the bottom wall, of the upper charging barrel 61; the parabolic ring 64 is coaxially welded to the helical loading blade 62 and is rotatably connected to the top wall of the loading barrel 61 through a bearing.

Referring to fig. 2, the parabolic ring 64 includes a rotating ring 641 and four guide bars 642 uniformly distributed along the transition circumferential direction, the bottom wall of the rotating ring 641 is coaxially welded on the spiral feeding blade 62, and the transition inner ring is communicated with the upper charging barrel 61; the guiding strips 642 are welded on the rotating ring 641, and one end of each guiding strip is flush with the inner ring of the parabolic ring 64, and the other end of each guiding strip is flush with the outer ring of the parabolic ring 64. Four groups of arc-shaped blanking slots 643 distributed along the circumferential direction of the parabolic ring 64 are coaxially formed in the parabolic ring 64, the blanking slots 643 are arranged between two adjacent guide strips 642 and are not communicated with each other, and four blanking slots 643 are arranged in any group and are distributed along the radial direction of the parabolic ring 64. The feed slit 643 is disposed obliquely, the feed slit 643 is disposed away from the upper barrel 61 near the bottom wall end, and the feed slit 643 is disposed near the upper barrel 61 near the bottom top wall end.

Referring to fig. 2, the stirring device 7 includes a support frame 71 and five stirring blades 72, wherein the support frame 71 is welded on the rotating shaft 63 above the parabolic ring 64 and coaxially surrounds between the rotating ring 641 and the inner wall of the stirring barrel 2. The stirring blades 72 are distributed in the vertical direction and welded to the support bracket 71.

Referring to fig. 2, the anti-blocking device 8 comprises a conveying shaft 81, a spiral anti-blocking blade 82, a sealing box 83, a driving gear 84 and a driven gear 85, the bottom wall of the feeding box 5 is inclined, one end of the bottom wall of the feeding box 5, which is close to the rotating shaft 63, is lower than the other end of the bottom wall of the feeding box, and the top wall of the feeding box 5 is welded and communicated with the feeding bin 51. The sealing box 83 is welded on the bottom wall of the feeding box 5, the rotating shaft 63 penetrates through the sealing box 83 and is rotatably connected with the sealing box 83 through a bearing and a rotating sealing ring, and the driving gear 84 is coaxially welded on one end, extending into the sealing box 83, of the rotating shaft 63; carry axle 81 and throw the parallel of material case 5 diapire, and one end rotation connection is in throwing material case 5 inner wall, and the other end stretches into seal box 83 to rotate with the rotation sealing washer through the bearing and be connected, driven gear 85 coaxial welding is carried axle 81 and is stretched into seal box 83 one end, and driving gear 84 and driven gear 85 meshing setting. The spiral anti-clogging blade 82 is welded to the conveying shaft 81.

The implementation principle of the plastic mixer of the embodiment of the application is as follows: when stirring the plastics raw materials, pour the raw materials into in the workbin 5 in proper order, start servo motor for servo motor's volume output shaft drives pivot 63 and the epaxial driving gear 84 rotation of pivot 63, and then makes driven gear 85 and carry axle 81 synchronous rotation, makes spiral anti-blocking blade 82 rotate. Meanwhile, the rotating shaft 63 rotates to drive the spiral feeding blade 62 to rotate, so that the raw materials in the feeding box 5 are driven to rise from the bottom until the raw materials reach the top end of the feeding barrel 61, flow out along the inner ring of the parabolic ring 64 and are uniformly left between the guide strips 642 on the parabolic ring 64, then under the action of the rotating parabolic ring 64, part of the raw materials fall in a powder curtain shape along the feeding slit 643, the other part of the raw materials fly and fall in an umbrella shape along the guide strips 642 under the action of centrifugal force, and the raw materials fall to the bottom of the stirring barrel 2. Drive support frame 71 and stirring vane 72 simultaneously and rotate at pivot 63 pivoted in-process, stir the raw materials in agitator 2, the raw materials in agitator 2 can constantly the landing to throwing the storage bucket, and then make the raw materials at agitator 2 enstrophe roll stirring, realize the mixture of plastics raw materials.

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 plastic mixer, includes agitator (2), sets up discharge tube (4) on agitator (2) and setting are in feed box (5) of agitator (2) below, just agitator (2) and feed box (5) intercommunication each other, its characterized in that: the stirring device is characterized by further comprising a material throwing device (6), wherein the material throwing device (6) comprises a feeding barrel (61), a spiral feeding blade (62), a rotating shaft (63) and a throwing ring (64), one end of the rotating shaft (63) is rotatably connected to the stirring barrel (2), and the other end of the rotating shaft (63) sequentially extends into the stirring barrel (2) and the feeding box (5) and is rotatably connected with the feeding box (5); the spiral feeding blade (62) is axially arranged on the rotating shaft (63) along the rotating shaft (63), the feeding barrel (61) is coaxially sleeved on the spiral feeding blade (62), and the side wall of the feeding barrel is fixedly arranged on the stirring barrel (2) and is communicated with the feeding box (5); the parabolic ring (64) is coaxially and fixedly arranged on the spiral feeding blade (62) and is rotatably connected with the top wall of the upper charging barrel (61).

2. A plastic mixing machine according to claim 1, wherein: at least two groups of arc-shaped blanking slits (643) distributed along the circumferential direction of the parabolic ring (64) are coaxially formed in the parabolic ring (64), the two adjacent groups of blanking slits (643) are not communicated with each other, and any group of blanking slits (643) are distributed along the radial direction of the parabolic ring (64).

3. A plastic mixing machine according to claim 2, wherein: the blanking slot (643) is obliquely arranged, one end of the blanking slot (643) close to the bottom wall is arranged far away from the upper charging barrel (61), and one end of the blanking slot (643) close to the bottom top wall is arranged close to the upper charging barrel (61).

4. A plastic mixing machine according to claim 1, wherein: the parabolic ring (64) is circumferentially provided with a plurality of guide strips (642), one ends of the guide strips (642) are flush with the inner ring of the parabolic ring (64), and the other ends of the guide strips are flush with the outer ring of the parabolic ring (64).

5. A plastic mixing machine according to claim 1, wherein: the stirring device (7) comprises at least one stirring blade (72), the stirring blade (72) is circumferentially arranged along the rotating shaft (63), the stirring blade (72) is fixedly arranged above the parabolic ring (64) and is arranged between the inner wall of the stirring barrel (2) and the upper charging barrel (61) around the parabolic ring (64).

6. A plastic mixing machine according to claim 1, wherein: the bottom wall of the feeding box (5) is obliquely arranged, and one end of the bottom wall of the feeding box (5) is close to the rotating shaft (63) and is lower than the other end of the rotating shaft.

7. A plastics mixing machine according to claim 6, wherein: the feeding box (5) inner wall is connected with along the diapire rotation and carries axle (81), just carry any one end of axle (81) to be close to pivot (63) set up, it prevents stifled blade (82) to set firmly the spiral on axle (81).

8. A plastic mixing machine according to claim 7, wherein: one end of the rotating shaft (63) close to the feeding box (5) is coaxially provided with a driving gear (84), and one end of the conveying shaft (81) close to the rotating shaft (63) is coaxially provided with a driven gear (85) meshed with the driving gear (84).