CN214515048U

CN214515048U - Cutting device for modified plastic particles

Info

Publication number: CN214515048U
Application number: CN202022808577.9U
Authority: CN
Inventors: 沈斌
Original assignee: Zhejiang Teng Feng Hardware Plastic Co ltd
Current assignee: Zhejiang Teng Feng Hardware Plastic Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-10-29
Anticipated expiration: 2030-11-27

Abstract

The application relates to the technical field of plastic cutting, in particular to a cutting device for modified plastic particles, which comprises a cutting barrel with a feeding hole and a discharging hole, wherein the feeding hole is positioned above the discharging hole, a cutting mechanism is arranged between the feeding hole and the discharging hole, two groups of symmetrically arranged speed reducing mechanisms are arranged between the feeding hole and the cutting mechanism, and each speed reducing mechanism comprises a rotating plate for receiving particles falling from the feeding hole, a rotating rod for driving the rotating plate to turn over on a vertical surface and a telescopic assembly for driving the rotating rod to turn over on the vertical surface; the rotating plate is rotatably connected to the inner wall of the cutting barrel; one end of the rotating rod is rotatably connected to the rotating plate, and the other end of the rotating rod is rotatably connected to one end of the telescopic assembly; the other end of the telescopic component is arranged on the cutting barrel. The present application facilitates adjusting the rate of descent of the particles.

Description

Cutting device for modified plastic particles

Technical Field

The application relates to the technical field of plastic cutting, in particular to a cutting device for modified plastic particles.

Background

The modified plastic is a plastic product which is processed and modified by methods such as filling, blending, reinforcing and the like on the basis of general plastics and engineering plastics and has improved performances such as flame retardance, strength, impact resistance, toughness and the like. After the modified plastic is formed, a cutting device is needed to carry out grain cutting processing on the modified plastic.

Through the retrieval, chinese patent publication No. CN207273619U discloses a cutting device of production modified plastic granule, including cutting barrel, cutting barrel's top is equipped with the feed inlet, the shielding plate is installed to the inboard of rotating member, fixed section of thick bamboo is all installed to cutting barrel's the left and right sides, the connecting block is installed to the bottom of slurcam, the mounting panel is all installed to cutting barrel's the left and right sides, the cutting piece is all installed at the upper and lower both ends of rotary rod, the bracing piece is all installed to cutting barrel's the bottom left and right sides. This cutting device of production modified plastic granules through rotatory fixation nut downwards, takes off fixation nut from the inserted bar, and the shielding plate drives the rotating member and rotates on the dead lever, and when plastic granules entered into the inside of a cutting section of thick bamboo, the shielding plate reduced plastic granules's falling speed, has ensured to reduce plastic granules and has entered into the inside falling speed of a cutting section of thick bamboo, and is better to plastic granules's cutting effect.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the rotation operation of the shutter is cumbersome, resulting in troublesome adjustment of the lowering speed of the particles, and therefore, improvement is required.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the adjustment of the descent speed of the granules, the present application provides a cutting device for modified plastic granules.

The application provides a cutting device for modified plastic granules adopts following technical scheme: a cutting device for modified plastic particles comprises a cutting barrel with a feeding port and a discharging port, wherein the feeding port is positioned above the discharging port, a cutting mechanism is arranged between the feeding port and the discharging port, two groups of symmetrically arranged speed reducing mechanisms are arranged between the feeding port and the cutting mechanism, and each speed reducing mechanism comprises a rotating plate for receiving particles falling from the feeding port, a rotating rod for driving the rotating plate to turn over on a vertical surface and a telescopic assembly for driving the rotating rod to turn over on the vertical surface; the rotating plate is rotatably connected to the inner wall of the cutting barrel; one end of the rotating rod is rotatably connected to the rotating plate, and the other end of the rotating rod is rotatably connected to one end of the telescopic assembly; the other end of the telescopic component is arranged on the cutting barrel.

By adopting the technical scheme, when the particles fall onto the rotating plate, the falling speed of the particles is reduced. When the telescopic assembly performs telescopic motion, the telescopic assembly drives the rotating rod to overturn up and down, and the rotating plate drives the rotating plate to overturn up and down. The inclination angle of the rotating plate can be changed through the extension and retraction of the telescopic assembly, so that the falling speed of the particles can be adjusted conveniently.

Optionally, the telescopic assembly comprises a fixed cylinder arranged on the outer wall of the cutting barrel, a sliding rod is embedded in the fixed cylinder in a sliding manner, and one end of the sliding rod penetrates through the cutting barrel and is rotatably connected to the rotating rod; the outer wall of the fixed cylinder is provided with a sliding groove extending along the axial direction of the fixed cylinder, and the sliding groove is communicated with the inside of the fixed cylinder.

Through adopting above-mentioned technical scheme, after the workman stretches into the spout with the finger, can promote the slide bar and move in fixed section of thick bamboo, the slide bar will drive the rotor plate rotation through the dwang, has changed the inclination of rotor plate. The friction force between the side wall of the sliding rod and the inner wall of the fixed cylinder enables the sliding rod not to slide easily in the fixed cylinder under the condition of no artificial force application.

Optionally, a sliding plate is embedded in the sliding groove and connected to the sliding rod.

Through adopting above-mentioned technical scheme, the workman slides the slide in the spout, can make the slide bar move in fixed section of thick bamboo, is convenient for adjust the inclination of rotor plate. The friction between the side wall of the sliding plate and the wall of the chute can further ensure that the sliding rod is not easy to slide in the fixed cylinder under the condition of no artificial force application.

Optionally, a fastening assembly for fastening and fixing the sliding rod is arranged on the fixed cylinder, the fastening assembly comprises a plurality of through grooves circumferentially formed in the outer wall of the fixed cylinder and a pushing ring which is sleeved on the fixed cylinder in a sliding manner, and one end of the pushing ring is provided with a pushing surface inclined towards the axis of the fixed cylinder; the sliding embedding is equipped with the tight post that supports that is used for supporting tight slide bar lateral wall in the through groove, and every one is supported tight post and is kept away from the one end of slide bar and all wears out and supply the pushing surface to contradict in the through groove.

By adopting the technical scheme, when the pushing ring slides to the abutting column, the pushing surface is pressed at one end of the abutting column far away from the sliding rod, so that the abutting column slides to the sliding rod and abuts against and fixes the sliding rod, and the stability of the sliding rod in the fixed cylinder is improved.

Optionally, be equipped with dispersion mechanism between reduction gears and the cutting mechanism, dispersion mechanism has seted up a plurality of dispersion tanks including locating the installation piece on the cutting bucket inner wall on the installation piece, and the dispersion tank includes the cell body, runs through in the last notch of installation piece upper surface and runs through in the lower notch of installation piece lower surface, and the interval between the notch is less than the interval between the adjacent two lower notches on two adjacent.

Through adopting above-mentioned technical scheme, in the granule of landing will fall into last notch from the rotor plate, the granule in last notch will be discharged from lower notch through the cell body. Because the interval between two adjacent last notches is less than the interval between two adjacent lower notches, the granule of notch discharge will disperse down so that improved cutting mechanism to the cutting effect of granule.

Optionally, the cutting mechanism includes a motor disposed on the outer wall of the cutting barrel, an output shaft of the motor extends into the cutting barrel and is connected to a rotating shaft, and a plurality of cutting knives are disposed on the rotating shaft.

Through adopting above-mentioned technical scheme, when the motor drove the pivot rotatory, the pivot will drive the rotatory cutting granule of cutting knife.

Optionally, the mounting block is connected to the inner wall of the cutting barrel through a spring, and a cam for driving the mounting block to shake up and down is arranged on the horizontal shaft.

Through adopting above-mentioned technical scheme, when the motor drives the pivot rotatory, the pivot will drive the cam and rotate, and the cam supports the intermittent type formula tightly in the installation piece for the installation piece rises, and the spring will make the installation piece descend and reset, thereby has realized rocking from top to bottom of installation piece, has reduced the condition that the granule blockked up the dispersion tank.

Optionally, fixed cover is equipped with the driving gear in the pivot, and the meshing has driven gear on the driving gear, and driven gear passes through the horizontal axis rotation and connects in cutting bucket inner wall, and the fixed cover of cam is established on the horizontal axis, and the diameter of driving gear is less than driven gear's diameter.

By adopting the technical scheme, when the motor drives the rotating shaft to rotate, the rotating shaft drives the cam to rotate through the driving gear, the driven gear and the horizontal shaft, and the cam drives the mounting block to swing up and down; because the diameter of the driving gear is smaller than that of the driven gear, the rotating speed of the cam is smaller than that of the rotating shaft, the shaking frequency of the mounting block is reduced, and the spring is not easy to damage.

To sum up, the application comprises the following beneficial technical effects:

1. the arrangement of the speed reducing mechanism can change the inclination angle of the rotating plate through the extension and retraction of the telescopic assembly, thereby being convenient for adjusting the falling speed of the particles;

2. the arrangement of the abutting component enables the sliding rod to be abutted and fixed in the fixed cylinder, so that the stability of the rotating plate is improved;

3. the arrangement of the dispersing mechanism enables the particles discharged from the lower notch to be dispersed, and therefore the cutting effect of the cutting mechanism on the particles is improved.

Drawings

FIG. 1 is a schematic cross-sectional structural view of a cutting barrel in an embodiment of the present application;

FIG. 2 is a schematic sectional view showing the whole in the embodiment of the present application;

fig. 3 is a partially enlarged schematic view at a in fig. 2.

Reference numerals: 1. cutting the barrel; 11. a feed inlet; 12. a discharge port; 13. embedding a groove; 2. a speed reduction mechanism; 21. a rotating plate; 22. rotating the rod; 23. a telescoping assembly; 231. a fixed cylinder; 232. a slide bar; 233. a chute; 234. a slide plate; 24. a propping component; 241. a through groove; 242. a push ring; 243. tightly abutting against the column; 244. a mating surface; 245. pushing the surface; 3. a dispersing mechanism; 31. mounting blocks; 32. a dispersion tank; 321. a trough body; 322. an upper notch; 323. a lower notch; 33. a guide plate; 34. a spring; 35. a driving gear; 36. a driven gear; 37. a horizontal axis; 38. a cam; 4. a cutting mechanism; 41. a motor; 42. a rotating shaft; 43. a cutting knife.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a cutting device for modified plastic granules. As shown in fig. 1, a cutting device for modified plastic particles comprises a vertically arranged cutting barrel 1, wherein the cutting barrel 1 is a square barrel; the upper end of the cutting barrel 1 is provided with a feed inlet 11, and the lower end of the cutting barrel 1 is provided with a discharge outlet 12.

As shown in fig. 1, a speed reduction mechanism 2, a dispersing mechanism 3 and a cutting mechanism 4 are arranged between the feed port 11 and the discharge port 12 in sequence from top to bottom, the speed reduction mechanism 2 is used for reducing the speed of particles falling from the feed port 11, the dispersing mechanism 3 is used for dispersing the reduced speed particles, and the cutting mechanism 4 is used for cutting the dispersed particles.

As shown in fig. 2, the reduction mechanisms 2 are symmetrically provided in two sets. The speed reducing mechanism 2 comprises a rotating plate 21, a rotating rod 22 and a telescopic assembly 23, wherein the rotating plate 21 is obliquely arranged, the high end of the rotating plate 21 is connected to the inner wall of the cutting barrel 1 through a horizontal rod in a rotating mode, and the low end of the rotating plate 21 is connected to one end of the rotating rod 22 in a rotating mode.

As shown in fig. 2 and 3, the telescopic assembly 23 includes a fixed cylinder 231 and a sliding rod 232 extending in a horizontal direction, the fixed cylinder 231 being fixed on an outer wall of the cutting tub 1; the sliding rod 232 is embedded in the fixed cylinder 231 in a sliding manner, and one end of the sliding rod 232 extends into the cutting barrel 1 and is rotatably connected to one end of the rotating rod 22 far away from the rotating plate 21; the outer wall of the cutting barrel 1 is provided with an embedding groove 13 for the sliding embedding of the sliding rod 232. When the sliding rod 232 slides in the fixing cylinder 231, the sliding rod 232 will drive the rotating rod 22 to turn over up and down, and the rotating plate 21 will drive the rotating plate 21 to turn over up and down, so as to change the inclination angle of the rotating plate 21 and adjust the falling speed of the particles.

As shown in fig. 3, the outer wall of the fixed cylinder 231 is provided with a sliding slot 233 extending along the axial direction of the fixed cylinder 231, and the sliding slot 233 is communicated with the inside of the fixed cylinder 231; a sliding plate 234 is embedded in the sliding groove 233 in a sliding manner, one end of the sliding plate 234 is fixedly connected to the sliding rod 232, and the other end of the sliding plate 234 penetrates out of the sliding groove 233. When the sliding plate 234 is pulled to penetrate out of one end of the sliding slot 233, the sliding rod 232 can be promoted to slide in the fixed cylinder 231, and the operation is convenient.

As shown in fig. 3, the fixing cylinder 231 is provided with a fastening assembly 24 for fastening and fixing the sliding rod 232. The abutting assembly 24 comprises a plurality of through grooves 241 circumferentially arranged on the outer wall of the fixed cylinder 231 and a pushing ring 242 sleeved on the fixed cylinder 231; in this embodiment, the number of the through grooves 241 is two, the through grooves 241 extend along the radial direction of the fixed cylinder 231, the abutting columns 243 are embedded in the through grooves 241 in a sliding manner, the cross sections of the abutting columns 243 are rectangular, and one ends of the abutting columns 243, which are far away from the sliding rod 232, are provided with matching surfaces 244 which are arranged in an inclined manner; one end of the push ring 242 is provided with a push surface 245 inclined toward the axis of the fixed cylinder 231, and the inner wall of the push ring 242 is screw-fitted to the outer wall of the fixed cylinder 231. When the pushing ring 242 is rotated close to the abutting columns 243, the pushing surface 245 presses all the mating surfaces 244, the abutting columns 243 are pushed to the sliding rod 232 and abut and fix the sliding rod 232, and therefore the stability of the sliding rod 232 in the fixing barrel 231 is improved.

As shown in fig. 2, the dispersing mechanism 3 includes an installation block 31 disposed on the inner wall of the cutting barrel 1, a plurality of dispersing grooves 32 are disposed on the installation block 31, each dispersing groove 32 includes a groove body 321 disposed in an inclined manner, an upper notch 322 penetrating through the upper surface of the installation block 31, and a lower notch 323 penetrating through the lower surface of the installation block 31, particles sliding down from the rotating plate 21 fall into the upper notch 322, and the particles in the upper notch 322 are discharged from the lower notch 323 through the groove body 321.

As shown in fig. 2, the interval between the adjacent two upper notches 322 is smaller than the interval between the adjacent two lower notches 323, so that the particles discharged from the lower notches 323 are scattered, thereby improving the cutting effect of the cutting mechanism 4 on the particles.

As shown in fig. 2, two obliquely arranged guide plates 33 are fixed on the upper surface of the mounting block 31, all the upper notches 322 are located between the two guide plates 33, and the guide plates 33 are used for guiding the particles sliding from between the two rotating plates 21 to the upper notches 322.

As shown in fig. 2, the cutting mechanism 4 includes a motor 41 fixed on the outer wall of the cutting barrel 1, an output shaft of the motor 41 extends into the cutting barrel 1 and is connected with a rotating shaft 42 extending along the horizontal direction, and a plurality of cutting blades 43 are fixed on the side wall of the rotating shaft 42. When the motor 41 rotates the shaft 42, the shaft 42 will rotate the cutting blade 43 to cut the particles.

As shown in fig. 2, a plurality of springs 34 are disposed on the mounting block 31, one end of each spring 34 is fixedly connected to the mounting block 31, and the other end of each spring 34 is fixedly connected to the inner wall of the cutting barrel 1. The fixed cover is equipped with driving gear 35 on the pivot 42, and the meshing has driven gear 36 on the driving gear 35, and driven gear 36 rotates through horizontal axis 37 and connects in cutting barrel 1 inner wall, and the fixed cover is equipped with cam 38 on the horizontal axis 37. When the motor 41 drives the rotating shaft 42 to rotate, the rotating shaft 42 drives the cam 38 to rotate through the driving gear 35, the driven gear 36 and the horizontal shaft 37, the cam 38 is pressed against the mounting block 31 intermittently, so that the mounting block 31 rises, the spring 34 enables the mounting block 31 to fall and reset, the mounting block 31 shakes up and down, and the condition that the particles block the dispersing groove 32 is reduced.

As shown in FIG. 2, the diameter of the driving gear 35 is smaller than that of the driven gear 36, so the rotation speed of the cam 38 is smaller than that of the rotating shaft 42, the shaking frequency of the mounting block 31 is reduced, and the spring 34 is not easily damaged.

The implementation principle of the cutting device for the modified plastic particles is as follows: when the sliding rod 232 slides in the fixing cylinder 231, the sliding rod 232 will drive the rotating rod 22 to turn over up and down, and the rotating plate 21 will drive the rotating plate 21 to turn over up and down, so as to change the inclination angle of the rotating plate 21 and adjust the falling speed of the particles. After the sliding rod 232 slides to a proper position, the pushing ring 242 is rotated close to the abutting columns 243, the pushing surface 245 presses all the mating surfaces 244, the abutting columns 243 are pushed to the sliding rod 232 and abut and fix the sliding rod 232, and therefore the stability of the sliding rod 232 in the fixing cylinder 231 is improved.

Then, the particles sliding down between the two rotating plates 21 will be guided to the upper notch 322 by the two guide plates 33, the particles in the upper notch 322 will be discharged from the lower notch 323 through the groove 321, and the particles discharged from the lower notch 323 will be dispersed and continue to drop downward. The motor 41 will drive the shaft 42 to rotate, and the shaft 42 will drive the cutting blade 43 to rotate to cut the particles.

When the motor 41 drives the rotating shaft 42 to rotate, the rotating shaft 42 drives the cam 38 to rotate through the driving gear 35, the driven gear 36 and the horizontal shaft 37, the cam 38 is pressed against the mounting block 31 intermittently, so that the mounting block 31 rises, the spring 34 enables the mounting block 31 to fall and reset, the mounting block 31 shakes up and down, and the condition that the particles block the dispersing groove 32 is reduced.

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 cutting device for modified plastic granules, includes cutting barrel (1) that has feed inlet (11) and discharge gate (12), and feed inlet (11) are located the top of discharge gate (12), are equipped with cutting mechanism (4), its characterized in that between feed inlet (11) and discharge gate (12): two groups of speed reducing mechanisms (2) which are symmetrically arranged are arranged between the feed port (11) and the cutting mechanism (4), and each speed reducing mechanism (2) comprises a rotating plate (21) for receiving particles falling from the feed port (11), a rotating rod (22) for driving the rotating plate (21) to turn over on a vertical surface and a telescopic assembly (23) for driving the rotating rod (22) to turn over on the vertical surface; the rotating plate (21) is rotatably connected to the inner wall of the cutting barrel (1); one end of the rotating rod (22) is rotatably connected to the rotating plate (21), and the other end of the rotating rod (22) is rotatably connected to one end of the telescopic assembly (23); the other end of the telescopic component (23) is arranged on the cutting barrel (1).

2. A cutting device for modified plastic granules, according to claim 1, characterized in that: the telescopic assembly (23) comprises a fixed cylinder (231) arranged on the outer wall of the cutting barrel (1), a sliding rod (232) is embedded in the fixed cylinder (231) in a sliding manner, and one end of the sliding rod (232) penetrates through the cutting barrel (1) and is rotatably connected to the rotating rod (22); the outer wall of the fixed cylinder (231) is provided with a sliding groove (233) extending along the axial direction of the fixed cylinder (231), and the sliding groove (233) is communicated with the inside of the fixed cylinder (231).

3. A cutting device for modified plastic granules, according to claim 2, characterized in that: a sliding plate (234) is embedded in the sliding groove (233) in a sliding mode, and the sliding plate (234) is connected to the sliding rod (232).

4. A cutting device for modified plastic granules, according to claim 2, characterized in that: the fixed cylinder (231) is provided with a tight abutting assembly (24) for abutting and fixing the sliding rod (232), the tight abutting assembly (24) comprises a plurality of through grooves (241) which are circumferentially formed in the outer wall of the fixed cylinder (231) and a pushing ring (242) which is sleeved on the fixed cylinder (231) in a sliding manner, and one end of the pushing ring (242) is provided with a pushing surface (245) which inclines towards the axis of the fixed cylinder (231); the penetrating groove (241) is internally and slidably embedded with abutting columns (243) for abutting against the side walls of the sliding rods (232), and one end of each abutting column (243), which is far away from the sliding rod (232), penetrates out of the penetrating groove (241) and is abutted against the pushing surface (245).

5. A cutting device for modified plastic granules, according to claim 1, characterized in that: be equipped with dispersion mechanism (3) between reduction gears (2) and cutting mechanism (4), dispersion mechanism (3) including locating installation piece (31) on cutting bucket (1) inner wall, a plurality of dispersion tanks (32) have been seted up on installation piece (31), dispersion tank (32) include cell body (321), run through in last notch (322) of installation piece (31) upper surface and run through in lower notch (323) of installation piece (31) lower surface, interval between two adjacent last notches (322) is less than the interval between two adjacent lower notches (323).

6. A cutting device for modified plastic granules, according to claim 5, characterized in that: the cutting mechanism (4) comprises a motor (41) arranged on the outer wall of the cutting barrel (1), an output shaft of the motor (41) extends into the cutting barrel (1) and is connected with a rotating shaft (42), and a plurality of cutting knives (43) are arranged on the rotating shaft (42).

7. A cutting device for modified plastic granules, according to claim 6, characterized in that: a driving gear (35) is fixedly sleeved on the rotating shaft (42), a driven gear (36) is meshed on the driving gear (35), the driven gear (36) is rotatably connected to the inner wall of the cutting barrel (1) through a horizontal shaft (37), the mounting block (31) is connected to the inner wall of the cutting barrel (1) through a spring (34), and a cam (38) for driving the mounting block (31) to shake up and down is arranged on the horizontal shaft (37); the cam (38) is fixedly sleeved on the horizontal shaft (37), and the diameter of the driving gear (35) is smaller than that of the driven gear (36).