CN116901347A - Injection molding machine for producing plastic water dropper sheets and process thereof - Google Patents
Injection molding machine for producing plastic water dropper sheets and process thereof Download PDFInfo
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- CN116901347A CN116901347A CN202311067524.8A CN202311067524A CN116901347A CN 116901347 A CN116901347 A CN 116901347A CN 202311067524 A CN202311067524 A CN 202311067524A CN 116901347 A CN116901347 A CN 116901347A
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 36
- 239000004033 plastic Substances 0.000 title claims abstract description 28
- 229920003023 plastic Polymers 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 9
- 238000000034 method Methods 0.000 title abstract description 9
- 230000008569 process Effects 0.000 title abstract description 5
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 239000000463 material Substances 0.000 claims abstract description 66
- 238000001125 extrusion Methods 0.000 claims abstract description 57
- 238000004140 cleaning Methods 0.000 claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 238000007790 scraping Methods 0.000 claims abstract description 22
- 238000007664 blowing Methods 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 description 8
- 208000028659 discharge Diseases 0.000 description 7
- 239000002994 raw material Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010006 flight Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/03—Injection moulding apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1753—Cleaning or purging, e.g. of the injection unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1761—Means for guiding movable mould supports or injection units on the machine base or frame; Machine bases or frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/74—Heating or cooling of the injection unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
- B29C2045/1792—Machine parts driven by an electric motor, e.g. electric servomotor
- B29C2045/1793—Machine parts driven by an electric motor, e.g. electric servomotor by an electric linear motor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of injection molding, and provides an injection molding machine for producing plastic dripper sheets and a process thereof, wherein the injection molding machine for producing plastic dripper sheets comprises a workbench, a machine barrel, an extrusion head, a base, a side cleaning mechanism with a function of 180 degrees each time, an end cover, a heating mechanism, a collecting ring and a collecting groove, wherein the base is arranged on the workbench in a sliding manner through a moving mechanism, the side cleaning mechanism is used for scraping the side surface and collecting scraped materials, the end cover is rotatably arranged on the side cleaning mechanism, the end cover is communicated with the inside of the side cleaning mechanism, and the heating mechanism is used for heating the materials on the extrusion head when the end cover and the side cleaning mechanism move to cover the extrusion head. Through the technical scheme, the problem that the excess materials are directly discharged from the extrusion head and solidified into bulk waste materials on the outer surface of the extrusion head after being discharged in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of injection molding, in particular to an injection molding machine for producing plastic water dropper sheets and a process thereof.
Background
In agricultural production, the pressure compensation type flat dripper piece is one of a great deal of dripper forms used in the drip irrigation engineering, and generally consists of a shell, a labyrinth flow passage and an elastic membrane, wherein the dripper piece shell and the dripper piece labyrinth flow passage are both formed by injection molding PE materials by adopting different molds.
The existing injection molding machine for producing plastic drip pieces can use a general injection molding machine and is matched with a drip piece injection mold, but note that as the plastic drip pieces are fine and precise workpieces, the purity of injection molding raw materials is very important, once unqualified injection molding raw materials, injection molding raw material residues, injection molding raw material dregs and the like are mixed, the injection molded plastic drip pieces are easy to be unqualified, so that after injection molding of each batch of plastic drip pieces is completed, the residual materials in the machine barrel of the injection molding machine are required to be completely discharged, and residual materials are prevented from being stored in the machine barrel, and the injection molding of the plastic drip pieces of the next batch is influenced.
However, when the final material is discharged from the barrel, the extrusion force is reduced, and the residual material is easily dripped along the outer surface of the extrusion head of the barrel after being discharged from the barrel, and is easily solidified into bulk waste on the outer surface of the extrusion head after being contacted with cold air, and certain solidified waste residues are easily remained when the extrusion head is cleaned by using tools such as a stick, a hook and the like manually.
Disclosure of Invention
The invention provides an injection molding machine for producing plastic dripper sheets and a process thereof, which solve the problem that the final materials are easy to solidify into bulk waste materials on the outer surface of an extrusion head after being discharged in the related technology.
The technical scheme of the invention is as follows:
the utility model provides an injection molding machine is used in production of plastics water dropper piece, includes workstation, barrel and extrusion head, the surface of extrusion head divide into side surface and extrusion terminal surface, still includes:
the base is arranged on the workbench in a sliding manner through a moving mechanism;
the side cleaning mechanism is used for scraping the side surface and collecting scraped materials;
the end face cover is rotatably arranged on the side cleaning mechanism and is communicated with the side cleaning mechanism;
the heating mechanism is communicated with the inside of the end face cover and is used for heating materials on the extrusion head when the end face cover and the side cleaning mechanism move to cover the extrusion head;
the collecting ring is arranged on the base, is communicated with the side cleaning mechanism and is used for collecting and uniformly discharging materials collected by the side cleaning mechanism in a concentrated manner;
the collecting tank is detachably arranged on the base and used for carrying materials discharged by the collecting ring.
As a further technical solution, the side cleaning mechanism includes:
the annular sliding rail is arranged on the base, and the end face cover is arranged on the annular sliding rail through a U-shaped bracket;
the side scrapers are arranged in two, the two side scrapers are arranged completely symmetrically, one side of each side scraper opposite to the side scrapers is matched with the side surface, and the side scrapers are arranged in the annular sliding rail in an annular sliding manner and are used for scraping and cleaning the side surface;
the side current collecting covers are arranged between the two side scraping plates and used for collecting materials scraped by the side scraping plates;
the two side scraping plates and the two side collecting covers are surrounded to form the rotating body, and the rotating body rotates in the annular sliding rail;
and the rotation driving mechanism is used for driving the rotating body to rotate in the annular sliding rail.
As a further technical scheme, the method further comprises:
the upper part of the end face mask is provided with a blowing opening, the blowing box is arranged in the blowing opening, and the heating mechanism is communicated with the blowing box through a main pipe;
a plurality of blowpipes are arranged, the blowpipes are communicated with one end of the spray box, which is positioned in the end face cover, and the other end of the blowpipes faces the extrusion end face;
the end face cover is provided with an exhaust hole.
As a further technical scheme, the method further comprises:
the collecting ring is provided with an annular opening, and the annular sheet is arranged at the annular opening in a sealing and rotating manner;
and the collecting pipe is communicated with the annular sheet, and the side collecting cover is communicated with the collecting pipe.
As a further technical scheme, the sectional area of one end of the side collecting cover and the end face cover, which is far away from the collecting ring, is smaller than the sectional area of one end of the side collecting cover and the end face cover, which is far towards the collecting ring.
As a further technical scheme, the side scraping plate is inclined.
As a further technical scheme, the collecting pipe is inclined.
As a further technical solution, the rotary driving machine includes:
the motor is arranged on the collecting ring;
the driving gear is arranged on the output shaft of the motor;
and a toothed ring disposed outside the two side current collecting covers and meshed with the driving gear.
As a further technical solution, the moving mechanism includes:
the first electric cylinder is arranged on the workbench;
the first moving frame is arranged on the workbench in a sliding manner and is connected with the telescopic end of the first electric cylinder;
the second electric cylinder is arranged on the first movable frame;
the second moving frame is arranged on the second moving frame, the second moving frame is arranged on the first moving frame in a sliding manner, and the second moving frame is connected with the telescopic end of the second electric cylinder
An injection molding process for producing plastic drip head pieces, which uses the injection molding machine for producing plastic drip head pieces, comprises the following steps:
s1, preparing, namely before the machine barrel is ready to discharge excess materials, moving the base to a working position through the moving mechanism, enabling the two side scraping plates to be attached to two horizontal quarter point positions of the side surface, respectively coating the upper half part and the lower half part of the side surface by the two side current collecting covers, enabling the end face cover to be close to the extrusion end face, and enabling the end face cover, the two side current collecting covers and the two side scraping plates to be matched to form a heat preservation heating cover and coating the outer surface of the extrusion head;
s2, primarily discharging the excess materials, wherein the machine barrel discharges the excess materials, and the excess materials flow and drop into the side collecting cover positioned on the lower side from the extrusion end surface and the lower part of the side surface;
s3, heating, wherein the heating mechanism blows hot air into the end face mask through a main pipe, a spray box and a plurality of blowpipes in sequence, meanwhile, the hot air is introduced into the two side current collecting covers, and exhaust gas of the end face cover and the two side current collecting covers is exhausted from the exhaust hole;
s4, auxiliary cleaning is carried out, a plurality of blowpipes face the extrusion end face, residual materials on the extrusion end face are assisted to drop downwards, meanwhile, the rotary driving mechanism drives the rotary body to rotate 180 degrees in the annular sliding rail, one of the two side scrapers scrapes the lower half part of the side surface, after the side collecting cover located on the lower side rotates 180 degrees, a collecting area is formed at the inclined position of the side collecting cover and the side scrapes, and the scraped materials on the lower half part of the side surface are concentrated in the collecting area and automatically flow into the collecting ring through the inclined collecting pipe;
s5, discharging the residual materials in a concentrated manner, and enabling the residual materials flowing into the collecting ring to flow into the collecting tank in a concentrated manner for uniform collection;
s6, accommodating, namely after the work of discharging and cleaning the excess materials is completed, moving, resetting and recovering the base through the moving mechanism.
The working principle and the beneficial effects of the invention are as follows:
1. according to the invention, the heat-preserving heating cover is coated at the extrusion head in advance before the residual materials are discharged, and the heating mechanism is used for carrying out auxiliary heating in the heat-preserving heating cover, so that the flowing state of the residual materials when the residual materials are discharged from the extrusion head can be preserved and continued, the residual materials can automatically drop into the side collecting cover to be collected, and the problem of high cleaning difficulty caused by the fact that the residual materials suddenly contact with low-temperature air to be solidified into bulk waste materials can be prevented.
2. In the invention, besides the fact that the excess materials can be automatically dripped and collected into the side collecting cover through a flowing state, by designing a plurality of blowpipes facing the extrusion end face, the excess materials on the extrusion end face can be assisted to drip downwards.
3. According to the invention, the rotating body is driven to rotate in the annular sliding rail through the rotation driving mechanism, so that the lower half part of the side surface can be attached to and scraped for cleaning.
4. In the invention, the residual materials which drop downwards on the extrusion end surface and the residual materials which are scraped and collected in the side collecting cover automatically flow into the collecting ring through the inclined collecting pipe, and finally are uniformly collected in the collecting tank, so that the subsequent centralized treatment is convenient.
Therefore, compared with the prior art that the excess material is directly discharged from the extrusion head, and is solidified into bulk waste on the outer surface of the extrusion head after being discharged, the invention is convenient for the centralized discharge treatment of the excess material and the subsequent high-quality injection molding of the plastic water dropper sheet by carrying out cladding heat preservation, heating and auxiliary cleaning on the outer surface of the extrusion head.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of the structure of the base of the invention in a storage position in which the barrel is not blocked from butt injection with the mold;
FIG. 2 is a schematic view of the barrel, extrusion head, side surfaces and extrusion end surfaces of the present invention;
FIG. 3 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 1;
FIG. 4 is a schematic view of a rotor according to the present invention;
FIG. 5 is a schematic view of the configuration of the barrel, second carriage, base, side cleaning mechanism, end cap, heating mechanism, manifold and collecting tank of the present invention;
FIG. 6 is a schematic view of the invention in partial cross-section with barrel, base, side purge mechanism, end cap, heating mechanism, manifold and collection tank engaged;
FIG. 7 is a schematic view of a partially cut-away view of another angle of engagement of the barrel, base, side cleaning mechanism, end cap, heating mechanism, manifold and collection tank of the present invention;
FIG. 8 is a schematic view of a heat retaining heating mantle according to the present invention;
FIG. 9 is a schematic view of the configuration of the barrel, end cap, side flights, side header, header and header ring of the present invention;
FIG. 10 is a schematic view of a partial cross-sectional configuration of the barrel, extrusion head, side flight and side manifold of the present invention;
FIG. 11 is a schematic view of the extrusion head, side flight and side manifold of the present invention in a rotated cleaning position;
FIG. 12 is a schematic view of the structure of the invention in which the moving mechanism, barrel, second moving rack, base, side cleaning mechanism, end mask, heating mechanism, collector ring and collecting tank are engaged;
FIG. 13 is a schematic view of the structure of the annular slide rail of the present invention when the center of the circle is at the same axial position as the barrel and the mold;
fig. 14 is a schematic structural view of the end cap of the present invention mated with two side current collector caps and two side scrapers to form a heat retaining heating cap and coating the outer surface of the extrusion head.
In the figure:
1. a work table; 2. a barrel; 3. an extrusion head; 4. a side surface; 5. extruding the end face; 6. a base; 7. an end shield; 8. a heating mechanism; 9. a collector ring; 10. a collection tank; 11. a heat collecting cover;
101. an annular slide rail; 102. a U-shaped bracket; 103. a side scraper; 104. a side header cap; 105. a rotating body; 106. a heat preservation heating cover; 107. a current collecting region;
201. a spray box; 202. a main pipe; 203. a blow pipe; 204. an exhaust hole;
301. a ring piece; 302. collecting pipes;
401. a motor; 402. a drive gear; 403. a toothed ring;
501. an electric cylinder I; 502. a first moving frame; 503. an electric cylinder II; 504. and a second movable frame.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1 to 14, the present embodiment provides an injection molding machine for producing plastic dripper sheets, which includes a workbench 1, a machine barrel 2, and an extrusion head 3, as shown in fig. 2, an outer surface of the extrusion head 3 is divided into a side surface 4 and an extrusion end surface 5, and further includes:
the base 6 is arranged on the workbench 1 in a sliding way through a moving mechanism;
the side cleaning mechanism is provided with a function of rotating 180 degrees each time, and is used for scraping the side surface 4 and collecting scraped materials;
the end face cover 7 is rotatably arranged on the side cleaning mechanism, and the end face cover 7 is communicated with the inside of the side cleaning mechanism;
the heating mechanism 8 is communicated with the inside of the end face cover 7, and is used for heating materials on the extrusion head 3 when the end face cover 7 and the side cleaning mechanism move to cover the extrusion head 3, and the heating mechanism 8 adopts an electric heater in a preferred mode;
the collecting ring 9 is arranged on the base 6, and the collecting ring 9 is communicated with the side cleaning mechanism and is used for collecting and uniformly discharging materials collected by the side cleaning mechanism in a concentrated manner;
the collecting tank 10, the collecting tank 10 dismantles and sets up on the base 6 for accept the material of collecting ring 9 discharge.
Further, the side cleaning mechanism includes:
the annular slide rail 101, the annular slide rail 101 is arranged on the base 6, the end face cover 7 is arranged on the annular slide rail 101 through the U-shaped bracket 102, two ends of the U-shaped bracket 102 are arranged outside the annular slide rail 101, and the end face cover 7 is arranged on the U-shaped bracket 102;
the side scrapers 103 are arranged in two, the two side scrapers 103 are arranged completely symmetrically, one side of each side scraper 103 opposite to the corresponding side is matched with the side surface 4, and the side scrapers 103 are arranged in the annular sliding rail 101 in an annular sliding manner and are used for scraping and cleaning the side surface 4;
the side current collecting covers 104, the side current collecting covers 104 are arranged in two, and the side current collecting covers 104 are arranged between the two side scraping plates 103 and are used for collecting materials scraped by the side scraping plates 103;
as shown in fig. 4, a rotor 105 is formed by two side scrapers 103 and two side current collecting covers 104, and the rotor 105 rotates in an annular slide rail 101;
and the rotation driving mechanism is used for driving the rotating body 105 to rotate in the annular sliding rail 101.
Further, the method further comprises the following steps:
the upper part of the end mask 7 is provided with a blowing port, the blowing port is arranged in the blowing box 201, and the heating mechanism 8 is communicated with the blowing box 201 through a main pipe 202;
the blowing pipes 203, as shown in fig. 7, the blowing pipes 203 are provided in plurality, the blowing pipes 203 communicate with one end of the blow box 201 located in the end face mask 7, and the other end of the blowing pipes 203 is directed toward the extrusion end face 5;
the vent hole 204 is formed in the end face mask 7 as shown in fig. 8, and the vent hole 204 is formed in the end face mask 7.
Further, the method further comprises the following steps:
as shown in fig. 6, the collecting ring 9 is provided with an annular opening, and the annular sheet 301 is arranged at the annular opening in a sealing and rotating way;
the collecting pipe 302, the collecting pipe 302 is communicated and arranged on the ring piece 301, the side collecting cover 104 is communicated with the collecting pipe 302, when the rotating body 105 rotates in the annular sliding rail 101, the collecting pipe 302 is driven to rotate along with the rotating body, meanwhile, the collecting pipe 302 drives the ring piece 301 to rotate along with the rotating body, and the ring piece 301 rotates in a sealing way in an annular opening formed in the collecting ring 9.
Further, as shown in fig. 9, the sectional area of the ends of the side collecting cover 104 and the end face cover 7 away from the collecting ring 9 is smaller than the sectional area of the ends facing the collecting ring 9, so that the materials can flow towards the collecting ring 9 automatically.
Further, as shown in fig. 10 to 11, the side scrapers 103 are inclined, and in the initial state, the two side scrapers 103 are located at two horizontal quartering points of the annular slide rail 101, and when one side scraper 103 of the two side scrapers 103 scrapes the lower half of the side surface 4, the inclined position of the side current collecting cover 104 and the side scraper 103 is convenient for forming the current collecting area 107 after the side current collecting cover 104 located at the lower side rotates 180 °.
Further, as shown in fig. 9, the collecting pipe 302 is inclined, and when the material exists in the collecting area 107, the material is convenient to automatically flow into the collecting ring 9 under the action of gravity through the inclined collecting pipe 302.
Further, the rotary drive machine includes:
a motor 401, the motor 401 being arranged on the collector ring 9;
a drive gear 402, the drive gear 402 being provided on an output shaft of the motor 401;
a toothed ring 403, the toothed ring 403 being provided outside the two side current collectors 104, and the toothed ring 403 being meshed with the drive gear 402.
Further, the moving mechanism includes:
an electric cylinder I501, wherein the electric cylinder I501 is arranged on the workbench 1;
the first moving frame 502 is arranged on the workbench 1 in a sliding way, and the first moving frame 502 is connected with the telescopic end of the first electric cylinder 501;
the second electric cylinder 503, the second electric cylinder 503 is arranged on the first movable frame 502;
the second moving frame 504, the base 6 is disposed on the second moving frame 504, the second moving frame 504 is slidably disposed on the first moving frame 502, and the second moving frame 504 is connected to the telescopic end of the second electric cylinder 503.
An injection molding process for producing plastic drip head pieces, which uses the injection molding machine for producing plastic drip head pieces, comprises the following steps:
s1, preparing, in an initial state, the base 6 is positioned at a storage position where the barrel 2 and the die are not blocked, as shown in fig. 1, before the standby barrel 2 is ready to discharge excess materials, the base 6 is moved to a working position through a moving mechanism, specifically, a first electric cylinder 501 is started to push a first moving frame 502 and a second electric cylinder 503, a second moving frame 504 and components on the base 6 on the first moving frame 502, the center of a circular slide rail 101 slides on the workbench 1 to be positioned at the same axis with the barrel 2 and the die, as shown in fig. 13, then the second electric cylinder 503 is started to push a second moving frame 504 to slide on the first moving frame 502, the second moving frame 504 drives the base 6 and the components on the base 6 to move towards the extrusion head 3 until the two side scrapers 103 are attached to two horizontal quarter positions of the side surface 4, the two side current collecting covers 104 are respectively coated on the upper half part and the lower half part of the side surface 4, the end face cover 7 is close to the extrusion end face 5, the end face cover 7 is matched with the two side current collecting covers 104 and the two side scrapers 103 to form a heat insulation cover 106, and the outer surface of the extrusion head 3 is coated on the outer surface of the extrusion head 3, as shown in fig. 14;
s2, preliminary discharge of the residual materials, wherein the machine barrel 2 discharges the residual materials, and the residual materials flow and drop into a side collecting cover 104 positioned on the lower side from the lower parts of the extrusion end surface 5 and the side surface 4;
s3, heating, namely, the heating mechanism 8 blows hot air into the end face cover 7 through the main pipe 202, the spray box 201 and the plurality of blowing pipes 203 in sequence, meanwhile, the hot air is introduced into the two side collecting covers 104, and exhaust gases of the end face cover 7 and the two side collecting covers 104 are exhausted from the exhaust holes 204;
s4, auxiliary cleaning is carried out, as shown in FIG. 7, a plurality of blowpipes 203 face the extrusion end face 5, residual materials on the extrusion end face 5 are assisted to drop downwards, meanwhile, as shown in FIG. 11, a rotary driving mechanism drives a rotary body 105 to rotate in an annular sliding rail 101 for 180 degrees, one side scraper 103 of two side scrapers 103 is attached to the lower half part of a side surface 4 for scraping, after a side current collecting cover 104 positioned on the lower side rotates for 180 degrees, a current collecting area 107 is formed at the inclined position of the side current collecting cover 104 and the side scraper 103, and scraped materials on the lower half part of the side surface 4 are concentrated in the current collecting area 107 and automatically flow into a current collecting ring 9 through a current collecting pipe 302 in an inclined shape;
s5, discharging the residual materials in a concentrated manner, and enabling the residual materials flowing into the collecting ring 9 to flow into the collecting tank 10 in a concentrated manner for uniform collection;
s6, after the residual material discharging and cleaning work is completed, the base 6 is moved to reset and recover the storage position through the moving mechanism, as shown in fig. 1.
In the second embodiment, on the basis of the first embodiment, the heat collecting cover 11 may be disposed on the outer surface of the machine barrel 2 to collect heat on the machine barrel 2, and the heat collecting cover 11 is communicated with the main pipe 202 through the air pump and the hose, so as to achieve the purpose of heating the heat preservation heating cover 106 by utilizing the heat of the machine barrel 2.
In the third embodiment, on the basis of the third embodiment, the first embodiment and the second embodiment, a cooling mechanism may be disposed on the collecting tank 10, so that the material can be conveniently taken out in the cooling forming of the collecting tank 10, and the cooling mechanism may use independent modes such as air cooling and water cooling, or may be connected with a water cooling system of the mold, so as to achieve the purpose of cooling the collecting tank 10 by using the water cooling system of the mold.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The utility model provides an injection molding machine is used in production of plastics water dropper piece, includes workstation (1), barrel (2) and extrudes head (3), the surface of extruding head (3) divide into side surface (4) and extrusion terminal surface (5), its characterized in that still includes:
the base (6) is arranged on the workbench (1) in a sliding manner through a moving mechanism;
the side cleaning mechanism is provided with a function of rotating 180 degrees each time and is used for scraping the side surface (4) and collecting scraped materials;
the end face cover (7) is rotatably arranged on the side cleaning mechanism, and the end face cover (7) is communicated with the inside of the side cleaning mechanism;
the heating mechanism (8) is communicated with the inside of the end face cover (7) and is used for heating materials on the extrusion head (3) when the end face cover (7) and the side cleaning mechanism move to cover the extrusion head (3);
the collecting ring (9) is arranged on the base (6), and the collecting ring (9) is communicated with the side cleaning mechanism and is used for intensively collecting and uniformly discharging materials collected by the side cleaning mechanism;
and the collecting tank (10) is detachably arranged on the base (6) and is used for carrying materials discharged by the collecting ring (9).
2. The injection molding machine for producing plastic dripper sheets according to claim 1, wherein the side cleaning mechanism comprises:
the annular sliding rail (101), the annular sliding rail (101) is arranged on the base (6), and the end face cover (7) is arranged on the annular sliding rail (101) through a U-shaped bracket (102);
the side scrapers (103) are arranged in two, the two side scrapers (103) are arranged completely symmetrically, one side of each side scraper (103) opposite to the corresponding side is matched with the corresponding side surface (4), and the side scrapers (103) are arranged in the annular sliding rail (101) in an annular sliding manner and are used for scraping and cleaning the side surfaces (4);
the side current collecting covers (104), wherein two side current collecting covers (104) are arranged, and the side current collecting covers (104) are arranged between the two side scraping plates (103) and are used for collecting materials scraped by the side scraping plates (103);
a rotating body (105), wherein the two side scraping plates (103) and the two side collecting covers (104) are surrounded to form the rotating body (105), and the rotating body (105) rotates in the annular sliding rail (101);
and the rotation driving mechanism is used for driving the rotating body (105) to rotate in the annular sliding rail (101).
3. The injection molding machine for producing plastic dripper sheets according to claim 2, further comprising:
the upper part of the end face cover (7) is provided with a blowing opening, the blowing opening is arranged in the blowing opening, and the heating mechanism (8) is communicated with the blowing opening (201) through a main pipe (202);
-a plurality of blow pipes (203), said blow pipes (203) being provided, said blow pipes (203) being connected at one end of said spray box (201) within said end face cap (7), and the other end of said blow pipes (203) being directed towards said extrusion end face (5);
and the end face cover (7) is provided with an exhaust hole (204), and the exhaust hole (204) is formed in the end face cover.
4. An injection molding machine for producing plastic dripper sheets according to claim 3, further comprising:
the collecting ring (9) is provided with an annular opening, and the annular sheet (301) is arranged at the annular opening in a sealing and rotating mode;
and the collecting pipe (302) is communicated with the annular sheet (301), and the side collecting cover (104) is communicated with the collecting pipe (302).
5. Injection molding machine for plastic dripper production according to claim 4, characterized in that the cross-sectional area of the end of the side header cap (104) and the end face cap (7) facing away from the header ring (9) is smaller than the cross-sectional area of the end facing the header ring (9).
6. The injection molding machine for producing plastic dripper sheets according to claim 5, wherein the side scraping plate (103) is inclined.
7. The injection molding machine for producing plastic dripper sheets according to claim 6, wherein the collecting pipe (302) is inclined.
8. The injection molding machine for producing plastic dripper sheets according to claim 7, wherein the rotary driving machine comprises:
a motor (401), the motor (401) being arranged on the collector ring (9);
a drive gear (402), the drive gear (402) being arranged on an output shaft of the motor (401);
-a toothed ring (403), said toothed ring (403) being arranged outside both said side current collectors (104), and said toothed ring (403) being in mesh with said driving gear (402).
9. The injection molding machine for producing plastic dripper sheets according to claim 8, wherein the moving mechanism comprises:
an electric cylinder I (501), wherein the electric cylinder I (501) is arranged on the workbench (1);
the first moving frame (502) is arranged on the workbench (1) in a sliding manner, and the first moving frame (502) is connected with the telescopic end of the first electric cylinder (501);
an electric cylinder II (503), wherein the electric cylinder II (503) is arranged on the movable frame I (502);
the second moving frame (504), the base (6) is arranged on the second moving frame (504), the second moving frame (504) is arranged on the first moving frame (502) in a sliding manner, and the second moving frame (504) is connected with the telescopic end of the second electric cylinder (503).
10. An injection molding process for producing plastic dripper sheets, which uses the injection molding machine for producing plastic dripper sheets according to claim 9, is characterized by comprising the following steps:
s1, preparing, namely before the machine barrel (2) is ready to discharge excess materials, moving the base (6) to a working position through the moving mechanism, enabling the two side scraping plates (103) to be attached to two horizontal quarter point positions of the side surface (4), respectively coating the upper half part and the lower half part of the side surface (4) by the two side collecting covers (104), enabling the end face cover (7) to be close to the extrusion end face (5), and enabling the end face cover (7), the two side collecting covers (104) and the two side scraping plates (103) to be matched to form a heat preservation heating cover (106) and to be coated on the outer surface of the extrusion head (3);
s2, preliminary discharge of the excess material, wherein the machine barrel (2) discharges the excess material, and the excess material flows and drops into the side collecting cover (104) positioned on the lower side from the lower parts of the extrusion end surface (5) and the side surface (4);
s3, heating, wherein the heating mechanism (8) blows hot air into the end face cover (7) through a main pipe (202), a spray box (201) and a plurality of blowing pipes (203), meanwhile, the hot air is introduced into the two side current collecting covers (104), and the end face cover (7) and exhaust gas of the two side current collecting covers (104) are exhausted from the exhaust hole (204);
s4, auxiliary cleaning is carried out, a plurality of blowpipes (203) face the extrusion end face (5), the residual materials on the extrusion end face (5) are assisted to drop downwards, meanwhile, the rotary driving mechanism drives the rotary body (105) to rotate 180 degrees in the annular sliding rail (101), one side scraper (103) of the two side scrapers (103) scrapes the lower half part of the side surface (4), after the side collecting cover (104) positioned at the lower side rotates 180 degrees, a collecting area (107) is formed at the inclined position of the side collecting cover (104) and the side scraper (103), and the scraped materials at the lower half part of the side surface (4) are concentrated in the collecting area (107) and automatically flow into the collecting ring (9) through the inclined collecting pipe (302);
s5, discharging the residual materials in a concentrated manner, and enabling the residual materials flowing into the collecting ring (9) to flow into the collecting tank (10) in a concentrated manner for uniform collection;
s6, accommodating, namely after the work of discharging and cleaning the excess materials is completed, moving the base (6) to reset and recover the accommodating position through the moving mechanism.
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| CN202311067524.8A CN116901347B (en) | 2023-08-23 | 2023-08-23 | Injection molding machine for producing plastic water dropper sheets and process thereof |
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| CN202311067524.8A CN116901347B (en) | 2023-08-23 | 2023-08-23 | Injection molding machine for producing plastic water dropper sheets and process thereof |
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