CN110774477A - Progressive grinding device for raw materials for plastic processing - Google Patents
Progressive grinding device for raw materials for plastic processing Download PDFInfo
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- CN110774477A CN110774477A CN201911043405.2A CN201911043405A CN110774477A CN 110774477 A CN110774477 A CN 110774477A CN 201911043405 A CN201911043405 A CN 201911043405A CN 110774477 A CN110774477 A CN 110774477A
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- grinding
- cylinder body
- plastic processing
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- progressive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
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- Mechanical Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a progressive grinding device for raw materials for plastic processing, relates to the technical field of plastic processing, and mainly aims to solve the problem that a grinding and crushing device is poor in crushing effect due to the adoption of an extruding and chopping mode; the grinding device comprises a grinding cylinder body and a substrate base, wherein the diameter of the middle part of the grinding cylinder body is gradually increased from top to bottom to form a cone-shaped structure, a grinding piece which is the cone-shaped structure is arranged inside the grinding cylinder body, the inclination of the side surface of the grinding piece is greater than the inclination of the middle part of the cone-shaped structure of the grinding cylinder body, the grinding piece and the side wall of the grinding cylinder body are enclosed to form a containing grinding cavity with gradually reduced width from top to bottom, a plurality of screening holes are distributed on the side wall of the outer ring of the grinding piece, and a first grinding protrusion which is staggered with each other is arranged on the inner wall of the outer ring of. The invention has simple structure, progressive grinding, obvious effect and no need of manual feeding, avoids blockage and is convenient to use.
Description
Technical Field
The invention relates to the technical field of plastic processing, in particular to a progressive grinding device for raw materials for plastic processing.
Background
Plastic processing is also known as plastic molding processing. Is a general term for various processes for converting synthetic resins or plastics into plastic products, and is a large production sector in the plastics industry. Plastic processing generally includes the batching, shaping, machining, joining, finishing, assembling, etc. of plastic. The latter four steps are carried out after the plastic has been shaped into a product or a semi-product, also known as plastic secondary processing.
And need smash the grinding so that its misce bene each other to its batching among the plastic processing, improve plastic processing's quality, and current grinding and crushing device adopts extrusion and shredded mode to smash plastics basically, only can make plastics form graininess and can't reach intensive mixing processing like this, and influence plastics product quality.
Disclosure of Invention
The invention aims to provide a progressive grinding device for a raw material for plastic processing, which aims to solve the problem of poor grinding effect of a grinding and crushing device in a squeezing and chopping mode.
In order to achieve the purpose, the invention provides the following technical scheme:
a raw material progressive grinding device for plastic processing comprises a grinding cylinder body and a substrate base, wherein the bottom of the grinding cylinder body is fixed on the substrate base through a plurality of vertical rod frames, the diameter of the middle part of the grinding cylinder body is gradually increased from top to bottom to form a cone-shaped structure, a grinding piece in the cone-shaped structure is arranged inside the grinding cylinder body, the bottom of the grinding piece is rotatably connected with the inner wall of the grinding cylinder body through a rotating connecting ring, the inclination of the side surface of the grinding piece is greater than that of the middle part of the cone-shaped structure of the grinding cylinder body, the grinding piece and the side wall of the grinding cylinder body form a containing grinding cavity with gradually reduced width from top to bottom, a plurality of screening holes are distributed on the side wall of the outer ring of the grinding piece, and first grinding bulges which are mutually staggered are arranged on the;
the grinding cylinder is internally provided with a driving vertical rod shaft coaxial with the grinding cylinder, the top of the driving vertical rod shaft is connected to the center of the top of the grinding part, the bottom end of the driving vertical rod shaft penetrates through the bottom wall of the grinding cylinder and is in positive and negative transmission connection with the output end of a grinding motor arranged on a vertical rod frame, an accommodating groove which is an inverted frustum body is arranged at the top port of the grinding cylinder, a material penetrating hole is formed in the bottom of the accommodating groove, and second grinding protrusions are arranged at the bottom of the accommodating groove and the top of the.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: and an annular groove used for rotatably connecting the bottom of the grinding piece is formed in the inner side wall of the rotating connecting ring.
In one alternative: the vertical rod frame is provided with a driving transverse rod shaft fixedly connected with the output end of the grinding motor, the driving transverse rod shaft is provided with two incomplete bevel gears, and the bottom end of the driving vertical rod shaft is provided with driven bevel gears alternately meshed with the two incomplete bevel gears.
In one alternative: the grinding cylinder body is characterized in that an inwards concave bulge is arranged at the bottom of the grinding cylinder body, the driving vertical rod shaft penetrates through the inwards concave bulge, a material collecting box body is arranged on the base plate base, and the bottom of the grinding cylinder body is communicated with the material collecting box body through a material guide channel.
In one alternative: and a knocking mechanism for vibrating the outer ring wall of the grinding element is also arranged in the grinding cylinder body.
In one alternative: the knocking mechanism comprises two rotating rods which are rotatably arranged in the grinding barrel, the axes of the two rotating rods are perpendicular to the different surfaces of the driving vertical rod shaft, a swinging rod with the top end extending into the inner side of the grinding part is fixed on the rotating rods, a rubber knocking ball is mounted at the top of the swinging rod, and the rotating rods are in transmission connection with the driving vertical rod shaft through a worm and worm gear pair.
In one alternative: the dwang upside is provided with keeps off the baffle, keeps off and has seted up two guiding holes and two pendulum rods on the baffle and run through the guiding hole, is provided with on the pendulum rod to be used for the shrouding of closing cap guiding hole and shrouding and the face sliding connection who keeps off the baffle, keeps off the both ends side direction declination of baffle and has seted up the guide mouth.
Compared with the prior art, the invention has the following beneficial effects:
the grinding device can crush particles to a certain extent by utilizing preliminary grinding, and can crush plastic particles progressively by utilizing the first grinding bulge 6, the plastic particles gradually fall down after being ground from the upper part and are continuously ground, the effect is obvious, and the powder particles can not fall down until the grinding reaches a certain degree, so that the problem of blockage caused by more plastic particles is avoided; the invention has simple structure, progressive grinding, obvious effect and no need of manual feeding, avoids blockage and is convenient to use.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged schematic structural view of a portion a in fig. 1.
Fig. 3 is a schematic view illustrating a structure of a rotary coupling ring according to the present invention.
Notations for reference numerals: the grinding device comprises a grinding cylinder body 1, a substrate base 2, a vertical rod frame 3, a grinding part 4, a rotary connecting ring 5, a first grinding bulge 6, a containing grinding cavity 7, a screening hole 8, a containing groove 9, a material penetrating hole 10, a second grinding bulge 11, a baffle plate 12, a driving transverse rod shaft 13, an incomplete bevel gear 14, a driven bevel gear 15, an inward concave bulge 16, a material guide channel 17, a grinding motor 18, an aggregate box body 19, a guide hole 20, a sealing plate 21, a material guide port 22, a rotary rod 24, a worm and worm gear pair 25, a swing rod 26, a rubber knocking ball 27, an annular groove 28 and a driving vertical rod shaft 29.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1 to 3, in the embodiment of the present invention, a raw material progressive grinding apparatus for plastic processing includes a grinding cylinder 1 and a substrate base 2, the bottom of the grinding cylinder 1 is fixed on the substrate base 2 through a plurality of vertical rod frames 3, the diameter of the middle of the grinding cylinder 1 increases gradually from top to bottom to form a frustum-shaped structure, a grinding member 4 in the frustum-shaped structure is disposed inside the grinding cylinder 1, the bottom of the grinding member 4 is rotatably connected with the inner wall of the grinding cylinder 1 through a rotating connection ring 5, specifically, an annular groove 28 for rotatably connecting the bottom of the grinding member 4 is disposed on the inner side wall of the rotating connection ring 5, the side slope of the grinding member 4 is greater than the middle slope of the frustum-shaped structure of the grinding cylinder 1, the grinding member 4 and the side wall of the grinding cylinder 1 enclose a grinding chamber 7 whose width decreases gradually from top to bottom, a plurality of screening holes 8 are distributed on the outer side wall of the, the outer ring wall of the grinding element 4 and the inner wall of the middle part of the grinding cylinder 1 are both provided with first grinding bulges 6 which are staggered with each other, a driving vertical rod shaft 29 which is coaxial with the grinding cylinder 1 is arranged in the grinding cylinder 1, the top of the driving vertical rod shaft 29 is connected to the center of the top of the grinding part 4, the bottom end of the driving vertical rod shaft 29 penetrates through the bottom wall of the grinding cylinder 1 and is in positive and negative transmission connection with the output end of the grinding motor 18 arranged on the vertical rod frame 3, and specifically, a driving transverse rod shaft 13 fixedly connected with the output end of the grinding motor 18 is arranged on the vertical rod frame 3, two incomplete bevel gears 14 are arranged on the driving transverse rod shaft 13, driven bevel gears 15 alternately meshed with the two incomplete bevel gears 14 are arranged at the bottom end of a driving vertical rod shaft 29, an accommodating groove 9 in the shape of an inverted frustum is formed in the top port of the grinding cylinder body 1, a material penetrating hole 10 is formed in the bottom of the accommodating groove 9, and second grinding protrusions 11 are formed in the bottom of the accommodating groove 9 and the top of the grinding piece 4;
during grinding, firstly, the plastic grains are placed in the accommodating groove 9 through the top end opening of the grinding cylinder 1, then the plastic grains gradually fall into the gap between the accommodating groove 9 and the top of the grinding piece 4 through the material penetrating hole 10, and the grinding motor 18 rotates the driving traverse shaft 13 to rotate the driving vertical shaft 29 in the forward and reverse directions by the intermittent engagement of the driven bevel gear 15 and the two incomplete bevel gears 14, then the grinding element 4 is driven to rotate forwards and backwards, the plastic grains are firstly ground preliminarily by the second grinding bulge 11 at the bottom of the holding tank 9 and at the top of the grinding element 4, the plastic grains after primary grinding flow the edge of the grinding element 4 into the holding grinding cavity 7, the grinding piece 4 rotates and simultaneously grinds gradually by using the first grinding bulges 6 on the grinding piece and the inner wall of the grinding cylinder body 1 due to the change of the width of the accommodating grinding cavity 7 from top right to bottom, and ground powder falls into the grinding piece 4 through the screening holes 8 and falls to the bottom of the grinding cylinder body 1; the particles can be crushed to a certain degree through preliminary grinding, the plastic particles can be crushed progressively by utilizing the first grinding bulge 6, the plastic particles fall down gradually after being ground from the upper part, and then are ground uninterruptedly, the effect is obvious, and the powder particles can not fall down until the grinding reaches a certain degree, so that the problem of blockage caused by more plastic particles is avoided;
the bottom of the grinding cylinder body 1 is provided with an inward concave bulge 16, the driving vertical rod shaft 29 penetrates through the inward concave bulge 16, the base plate base 2 is provided with a material collecting box body 19, and the bottom of the grinding cylinder body 1 is communicated with the material collecting box body 19 through a material guide channel 17; to facilitate the aggregation.
Example 2
The embodiment of the invention is different from the embodiment 1 in that: the grinding cylinder 1 is also internally provided with a knocking mechanism for vibrating the outer annular wall of the grinding part 4, the knocking mechanism comprises two rotating rods 24 rotatably arranged in the grinding cylinder 1, the axes of the two rotating rods 24 are perpendicular to the different surfaces of a driving vertical rod shaft 29, a swinging rod 26 with the top end extending into the inner side of the grinding part 4 is fixed on the rotating rods 24, the top of the swinging rod 26 is provided with a rubber knocking ball 27, the rotating rods 24 and the driving vertical rod shaft 29 are in transmission connection through a worm and worm gear pair 25, the driving vertical rod shaft 29 is driven by a grinding motor 18 to rotate forward and backward so that the rotating rods 24 rotate forward and the swinging rod 26 swings, so that the rubber knocking ball 27 continuously knocks the inner wall of the grinding part 4 to generate vibration, and the grinding part 4 vibrates so that particles blocked in the sieve filter holes 8 can fall off to avoid the blockage problem;
the upside of the rotating rod 24 is provided with a baffle plate 12, the baffle plate 12 is provided with two guide holes 20 and two swing rods 26 penetrating through the guide holes 20, the swing rods 26 are provided with sealing plates 21 for sealing the guide holes 20, the sealing plates 21 are in sliding connection with the surfaces of the baffle plate 12, the two ends of the baffle plate 12 incline downwards in the side direction and are provided with material guide openings 22, and then ground particles can fall onto the baffle plate 12 and move towards two sides, and finally fall through the material guide openings 22, so that the particles are prevented from entering between the worm and worm gear pair 25 and affecting mechanical transmission.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (7)
1. A raw material progressive grinding device for plastic processing comprises a grinding cylinder body (1) and a substrate base (2), wherein the bottom of the grinding cylinder body (1) is fixed on the substrate base (2) through a plurality of vertical rod frames (3), and is characterized in that the diameter of the middle of the grinding cylinder body (1) is gradually increased from top to bottom to form a frustum-shaped structure, a grinding piece (4) in the frustum-shaped structure is arranged in the grinding cylinder body (1), the bottom of the grinding piece (4) is rotationally connected with the inner wall of the grinding cylinder body (1) through a rotating connecting ring (5), the side slope of the grinding piece (4) is greater than the middle slope of the frustum-shaped structure of the grinding cylinder body (1), the grinding piece (4) and the side wall of the grinding cylinder body (1) enclose a grinding cavity (7) with gradually reduced width from top to bottom, and a plurality of screening holes (8) are distributed on the outer ring side wall of the grinding piece (4, the outer ring wall of the grinding piece (4) and the inner wall of the middle part of the grinding cylinder body (1) are respectively provided with a first grinding bulge (6) which are staggered with each other;
the grinding barrel body (1) is internally provided with a driving vertical rod shaft (29) which is coaxial with the grinding barrel body, the top of the driving vertical rod shaft (29) is connected to the center of the top of the grinding piece (4), the bottom end of the driving vertical rod shaft (29) penetrates through the bottom wall of the grinding barrel body (1) and is in positive and negative transmission connection with the output end of a grinding motor (18) arranged on the vertical rod frame (3), the top port of the grinding barrel body (1) is provided with an accommodating groove (9) which is an inverted frustum body, the bottom of the accommodating groove (9) is provided with a material penetrating hole (10), and the bottom of the accommodating groove (9) and the top of the grinding piece (4.
2. The progressive grinding device of raw material for plastic processing according to claim 1, wherein the inner side wall of the rotary connecting ring (5) is provided with a ring groove (28) for rotatably connecting the bottom of the grinding member (4).
3. The progressive grinding device for the raw material for plastic processing according to claim 1, wherein the vertical shaft holder (3) is provided with a driving traverse shaft (13) fixedly connected with the output end of the grinding motor (18), the driving traverse shaft (13) is provided with two incomplete bevel gears (14), and the bottom end of the driving vertical shaft (29) is provided with driven bevel gears (15) alternately meshed with the two incomplete bevel gears (14).
4. The progressive grinding device for plastic processing raw material according to claim 1, wherein the bottom of the grinding cylinder (1) is provided with an inward concave protrusion (16), the driving vertical shaft (29) penetrates through the inward concave protrusion (16), the base plate base (2) is provided with a material collecting box body (19), and the bottom of the grinding cylinder (1) is communicated with the material collecting box body (19) through a material guide channel (17).
5. A progressive grinding apparatus of raw materials for plastic processing according to any of claims 1 to 4, characterized in that the inside of the grinding bowl (1) is further provided with a knocking mechanism for generating vibration to the outer annular wall of the grinding member (4).
6. The progressive grinding device for the raw materials for the plastic processing as claimed in claim 5, wherein the knocking mechanism comprises two rotating rods (24) rotatably arranged in the grinding cylinder body (1), the axes of the two rotating rods (24) are perpendicular to the different surfaces of the driving vertical rod shaft (29), a swinging rod (26) with the top end extending into the inner side of the grinding part (4) is fixed on the rotating rod (24), a rubber knocking ball (27) is mounted at the top of the swinging rod (26), and the rotating rod (24) is in transmission connection with the driving vertical rod shaft (29) through a worm and worm gear pair (25).
7. The progressive grinding device of raw materials for plastic processing according to claim 6, wherein the rotating rod (24) is provided with a baffle plate (12) at an upper side thereof, the baffle plate (12) is provided with two guide holes (20) and two swing rods (26) penetrate through the guide holes (20), the swing rods (26) are provided with seal plates (21) for sealing the guide holes (20), the seal plates (21) are slidably connected with the surface of the baffle plate (12), and two ends of the baffle plate (12) are inclined downward and provided with material guide ports (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911043405.2A CN110774477A (en) | 2019-10-30 | 2019-10-30 | Progressive grinding device for raw materials for plastic processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911043405.2A CN110774477A (en) | 2019-10-30 | 2019-10-30 | Progressive grinding device for raw materials for plastic processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110774477A true CN110774477A (en) | 2020-02-11 |
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ID=69387775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911043405.2A Withdrawn CN110774477A (en) | 2019-10-30 | 2019-10-30 | Progressive grinding device for raw materials for plastic processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110774477A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530567A (en) * | 2020-04-14 | 2020-08-14 | 安徽东方钙业有限公司 | Superspeed fine grinding grinder |
-
2019
- 2019-10-30 CN CN201911043405.2A patent/CN110774477A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530567A (en) * | 2020-04-14 | 2020-08-14 | 安徽东方钙业有限公司 | Superspeed fine grinding grinder |
| CN111530567B (en) * | 2020-04-14 | 2022-04-22 | 安徽东方钙业有限公司 | Superspeed fine grinding grinder |
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20200211 |