CN112976468A

CN112976468A - Injection molding process of environment-friendly plastic lunch box

Info

Publication number: CN112976468A
Application number: CN202110193843.8A
Authority: CN
Inventors: 周孝荣; 李秀平
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-06-18

Abstract

The invention relates to an injection molding process of an environment-friendly plastic meal box, which uses an injection molding device of the environment-friendly plastic meal box, the injection molding device for the environment-friendly plastic meal box comprises an installation bottom plate, a support column, a support Contraband-shaped frame, a chute frame, an injection molding mechanism and a cleaning mechanism, and can solve the problem that in the injection molding process of the environment-friendly plastic meal box, because an injection molding cavity is an arc-shaped cavity matched with the radian of the outer wall of the environment-friendly plastic meal box, the residual rough edges remained at the joint of the arc-shaped curved surfaces are difficult to be effectively scraped off during the cleaning operation, moreover, the cleaning brushes with different shapes need to be replaced according to different cleaning surfaces, the repeated operation increases the labor intensity of workers, and the inner wall of the injection molding cavity is easy to scratch, the joint sealing degree between the injection molding cavities during injection molding operation is difficult to accurately control, the plastic lunch box is easy to deform and damage, and the operation efficiency of the injection molding operation of the environment-friendly plastic lunch box is reduced.

Description

Injection molding process of environment-friendly plastic lunch box

Technical Field

The invention relates to the field of lunch box preparation, in particular to an injection molding process of an environment-friendly plastic lunch box.

Background

Plastics are high molecular compounds (macromolecules) which are polymerized by addition polymerization or polycondensation reaction and are intermediate in deformation resistance between fibers and rubber, and are composed of synthetic resin, fillers, plasticizers, stabilizers, lubricants, pigments and other additives. Plastics are important organic synthetic polymer materials and are widely applied, but white pollution caused by waste plastics is more and more serious, so that the recycling of plastic parts can not only help people scientifically use plastic products, but also be beneficial to classified recycling of plastics, and effectively control and reduce the white pollution.

The environment-friendly thermoplastic plastic is plastic which can be melted after being heated, can flow to a mould to be cooled and then is formed, and can be melted again after being heated; this is a so-called physical change, i.e., a reversible change (liquid ← → solid) is produced by heating and cooling. The thermoplastic plastic has excellent electrical insulation, is easy to form and process, has good impact resistance and good creep resistance at room temperature, can be recycled and can be repeatedly processed to prepare different plastic parts.

In the real society, along with the popularization and the development of takeaway trade, plastics cutlery box is by more and more various occasions that are used for, but adopt environmental protection plastics to carry out the pollution that preparation operation furthest of plastics cutlery box reduced plastics cutlery box and brought for the environment, environmental protection plastics cutlery box often adopts injection moulding to carry out the shaping operation because of its unique surperficial crooked radian, often need to mould plastics the cavity after processing is accomplished and carry out timely clearance, avoid remaining the plastics raw materials of moulding plastics and deckle edge on the cavity of moulding plastics to produce the influence to the plastics cutlery box operation of next batch, present clearance operation often adopts manual cleaning tool such as manual use air gun to clean it and strike off the operation, at this in-process, often can have following problem:

1) because the chamber of moulding plastics is the outer wall radian matched with arc cavity with environmental protection plastics, be difficult to carry out effectual striking off to remaining deckle edge of remaining in arc curved surface handing-over department when cleaning the operation, need change the clearance brush of different shapes according to the difference of clearance face in addition, the plastics cutlery box that need make in succession usually is numerous, this kind of repetitive operation has increased workman's intensity of labour, and causes the intracavity wall scratch of moulding plastics easily, influences the result of use of moulding plastics in later stage.

2) Traditional environmental protection cutlery box in-process of moulding plastics, often close and open through manual control cavity of moulding plastics when the operation of moulding plastics, this kind of operation mode is difficult to the accurate laminating sealing degree between the accuse injection mould chamber, easily causes plastics cutlery box to warp and damage, also can remain a large amount of raw materials of moulding plastics after the completion of moulding plastics, has reduced the operating efficiency of environmental protection plastics cutlery box operation of moulding plastics.

Disclosure of Invention

In order to solve the problems, the invention provides an injection molding process of an environment-friendly plastic lunch box, which can solve the problems in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides an environmental protection plastics cutlery box technology of moulding plastics, its used an environmental protection plastics cutlery box device of moulding plastics, this environmental protection plastics cutlery box device of moulding plastics includes mounting plate, support column, supports Contraband type frame, chute frame, the mechanism of moulding plastics and clearance mechanism, adopts above-mentioned environmental protection plastics cutlery box device to mould plastics the operation to environmental protection plastics cutlery box when concrete technology as follows:

s1, preparing raw materials: firstly, preparing injection molding raw materials of the environment-friendly plastic lunch box manually;

s2, injection molding: manually injecting the raw material of the environment-friendly plastic meal box in the step S1 into an injection molding mechanism, and performing injection molding operation of the environment-friendly plastic meal box through the injection molding mechanism;

s3, demolding and taking out: after step S2 is completed, the injection molding mechanism is opened, the molded environment-friendly plastic lunch box is collected by the existing manipulator, and after cooling, a finished product of the environment-friendly plastic lunch box is obtained;

s4, drying and cleaning: after the step S3 is finished, cleaning the residual injection molding raw materials and burrs in the injection molding mechanism through the cleaning mechanism, and after the cleaning is finished, carrying out the next batch of preparation operation of the environment-friendly plastic lunch boxes;

the corner all around of mounting plate lower extreme evenly is provided with the support column, and the support Contraband type frame that the opening is decurrent is installed to the upper end front and back symmetry of mounting plate, and the upper end bilateral symmetry that supports Contraband type frame is provided with the spout frame, installs the mechanism of moulding plastics through sliding fit on the spout frame, is located to mould plastics and installs clearance mechanism through normal running fit on the inboard support Contraband type frame of mechanism, and clearance mechanism is connected through normal running fit with the mechanism of moulding plastics.

The injection molding mechanism comprises an injection molding sliding plate, an injection molding Contraband type frame, an injection molding spring, an injection molding base I, an injection molding base II, a shifting motor, a shifting slide rod, a bidirectional screw rod, a positioning shaft and a positioning hole, wherein the slide groove frames on the front and rear two-side support Contraband type frames are symmetrically provided with the injection molding sliding plate through sliding fit, the upper end of the injection molding sliding plate is symmetrically provided with the injection molding Contraband type frame, the injection molding Contraband type frame on the front side of the installation bottom plate is provided with the injection molding base I through sliding fit, the injection molding Contraband type frame on the rear side of the installation bottom plate is provided with the injection molding base II through sliding fit, the injection molding base I and the injection molding base II are respectively connected with the injection molding Contraband type frames on the front and rear sides through the injection molding spring, the shifting slide rod is arranged between the support Contraband type frames on the front and rear, a bidirectional connecting rod is arranged between Contraband-shaped supports positioned at the other side of the shifting slide bar through a bearing, the bidirectional thread ends of the bidirectional connecting rod are respectively connected with Contraband-shaped injection molding frames at the front side and the rear side, a shifting motor is arranged on the Contraband-shaped support through a motor base, and the output shaft of the shift motor is connected with the bidirectional screw through the coupler, the second injection molding base is uniformly provided with positioning shafts along the circumferential direction thereof, the second injection molding base is uniformly provided with positioning holes matched with the positioning shafts along the circumferential direction thereof, and the shift motor and the bidirectional screw are arranged to be used as driving ends, the injection molding cavity capable of driving sliding symmetrical installation can be opened and closed synchronously, manual operation amount is reduced, the arranged positioning shaft and the positioning hole can be mutually in sliding fit to realize clamping positioning between the injection molding base I and the injection molding base II which are symmetrically installed, and the space position of a contact surface between the injection molding base I and the injection molding base II is kept consistent.

The cleaning mechanism comprises a driving rack, a driving rotating shaft, a connecting sliding groove, a driving gear, a cleaning rotating plate, a cleaning Contraband type frame, a positioning sliding plate, a shifting sliding groove, a positioning sliding rod, a positioning spring, a positioning rotating wheel, a winding rope, a positioning motor, a cleaning gear, a cleaning rotating ring, a meshing gear and a cleaning unit, wherein the driving rotating shaft is symmetrically arranged on a support Contraband type frame positioned below the sliding groove frame through rotating matching, the connecting sliding groove is symmetrically arranged on a support Contraband type frame positioned outside the sliding groove frame, the driving gear is symmetrically arranged on the driving rotating shaft positioned below the connecting sliding groove through splines, the driving rack is symmetrically arranged on an injection molding sliding plate positioned above the connecting sliding groove, the driving rack is in meshing transmission with the driving gear, the cleaning rotating plate is arranged on the driving rotating shaft positioned on the inner side of the driving gear, the cleaning Contraband type frame with a downward opening is arranged on the outer side, the upper end of a cleaning Contraband type frame is provided with a shifting chute, a cleaning Contraband type frame positioned below the shifting chute is provided with a positioning slide bar, the positioning slide bar is provided with a positioning slide plate in sliding fit, the positioning slide plate is connected with a cleaning Contraband type frame through a positioning spring, the inner side wall of the cleaning Contraband type frame is provided with a winding wheel in rotating fit, the outer side wall of the cleaning Contraband type frame is provided with a positioning rotating wheel in rotating fit, the winding wheel is provided with a winding rope in winding effect, the other end of the winding rope is connected with the positioning slide plate, the middle part of the winding rope is abutted against the side wall of the positioning rotating wheel in rotating fit, the cleaning Contraband type frame is provided with a positioning motor through a motor base, the output shaft of the positioning motor is connected with the winding wheel, the upper end of the positioning slide plate is provided with a cleaning rotating ring in rotating fit, the side wall of the cleaning rotating ring is uniformly, the cleaning gear is installed on the positioning sliding plate below the cleaning rotating ring through rotating fit, the cleaning gear is in meshing transmission with the meshing teeth, the cleaning motor is installed on the positioning sliding plate through a motor base, an output shaft of the cleaning motor is connected with the cleaning gear, a cleaning unit is installed on the inner side of the cleaning rotating ring, the driving gear is arranged in the meshing transmission mode, so that the cleaning rotating plate can rotate synchronously with the opening and closing of the injection molding cavity through the driving rotating shaft, the cleaning sliding rod and the scraping seat can be prevented from being scratched in the injection molding cavity due to collision when in contact with the outer wall of the injection molding cavity through flexible transmission connection between a winding rope and a positioning spring, and the cleaning rotating rod and the scraping seat can be further driven to rotate through the meshing transmission between the cleaning gear and the meshing teeth.

Furthermore, the cleaning unit comprises a cleaning slide rod, a cleaning cylinder, a transmission block, a cleaning connecting rod, a cleaning rotating rod, a cleaning slide block, a cleaning spring, a cleaning slide block, a connecting spring, a supporting connecting rod, a scraping seat and a compression spring, wherein the cleaning slide rod is arranged in the middle of the cleaning rotating ring on one side of the injection molding base, the transmission block is arranged on the cleaning slide rod on the outer side of the cleaning rotating ring in a sliding fit manner, the cleaning cylinder is arranged on the cleaning slide rod, the output shaft of the cleaning cylinder is connected with the transmission block, the cleaning slide rod on the inner side of the cleaning rotating ring is provided with the cleaning rotating rod in a rotating fit manner, the cleaning rotating rod and the transmission block are in hinged transmission through the cleaning connecting rod, the rotating end of the cleaning rotating rod is provided with the cleaning slide block in a sliding fit manner, the cleaning slide block is connected with the cleaning rotating rod through the cleaning spring, the end part of the cleaning slide rod is symmetrically provided with the cleaning slide block in a sliding fit manner, the sweeping sliding block is connected with the cleaning sliding rod through a connecting spring, the cleaning rotating ring positioned on one side of the injection molding base two is provided with a scraping seat through hinged transmission, the cleaning rotating ring positioned on the inner side of the scraping seat is provided with a supporting connecting rod through hinged transmission, the supporting connecting rod is connected with the cleaning rotating ring through a compression spring, the supporting connecting rod positioned below the scraping seat is hinged and transmitted with the scraping seat, the circumferential cleaning operation on the inner wall of the injection molding base can be realized through the cleaning sliding block arranged at the end part of the cleaning rotating rod in the rotating process through the arranged cleaning rotating rod matched with the radius of a spherical inner cavity of the injection molding base, the arranged connecting spring can push the sweeping sliding block to be attached to the bottom of the inner wall of the injection molding base one through the elastic action, and the cleaning effect of the sweeping sliding block and the cleaning sliding block on the junction of an inner arc-shaped curved surface of the injection molding base can be further improved, the scraping seat spliced through the hinged transmission can further adapt to the change of the radian of the curved surface of the injection molding base II, the close degree of the fit between the scraping seat and the injection molding base II can be further improved through the elastic force of the set compression spring, and the cleaning sponge arranged on the scraping seat and the supporting connecting rod can realize the circumferential cleaning operation on the outer walls of the injection molding base II under the rotating action of the cleaning rotating ring.

Furthermore, the sweeping sliding block and the cleaning sliding block are both provided with brushes.

Further, strike off the seat and form for two sections connecting rods through articulated rotation concatenation, and strike off and all be provided with the clearance sponge on the inside wall of seat and supporting connecting rod.

Furthermore, the clearance change ring be double-deck ring, the upper end of location slide be provided with clearance change ring circular arc shape matched with spacing change ring, the middle part of clearance change ring is installed on spacing change ring through normal running fit.

Further, the intracavity wall of moulding plastics of base one is moulded plastics is the setting of hemisphere cambered surface, and the clearance bull stick rotation end length equals with the base one of moulding plastics chamber radius of moulding plastics, it supports and leans on the slide bar to install through sliding fit on the clearance change of two one sides of base of moulding plastics, the outer end that supports to lean on the slide bar supports to lean on the lateral wall of base two of moulding plastics and supports the inner that leans on the slide bar and be connected with the clearance change through supporting to lean on the spring, the setting support to lean on slide bar accessible sphere contact and further avoid causing the scratch to the outer wall of base two of moulding.

The invention has the beneficial effects that:

1. according to the injection molding process for the environment-friendly plastic lunch box, the injection molding mechanism can drive the injection molding cavity body which is installed in a sliding and symmetrical mode to synchronously open and close through the arranged shift motor and the bidirectional screw rod as driving ends, manual operation amount is reduced, the arranged positioning shaft and the positioning hole can be matched with each other in a sliding mode to achieve clamping and positioning between the first injection molding base and the second injection molding base which are installed in a symmetrical mode, the space positions of contact surfaces between the first injection molding base and the second injection molding base are kept consistent, the first injection molding base and the second injection molding base are tightly attached through the arranged injection molding spring clamp under the action of self elasticity, accordingly, the attaching degree between the first injection molding base and the second injection molding base is kept consistent when continuous injection molding operation is achieved, and the reject ratio of the plastic lunch.

2. The invention provides an environment-friendly plastic lunch box injection molding process, a cleaning mechanism of the invention is provided with a driving rack and a driving gear which are meshed and driven to enable a cleaning rotating plate to synchronously rotate along with the opening and closing of an injection molding cavity through a driving rotating shaft, the scraping of an injection molding cavity caused by collision when a cleaning sliding rod and a scraping seat are contacted with the outer wall of the injection molding cavity can be avoided through the flexible transmission connection between a coiling rope and a positioning spring, the arranged cleaning rotating rod and the scraping seat can be further driven to rotate through a cleaning rotating ring through the meshing transmission between the cleaning gear and the meshing teeth, the circumferential cleaning operation of an inner wall of an injection molding base can be realized through a cleaning sliding block arranged at the end part of the cleaning rotating rod in the rotating process, and a connecting spring can push the cleaning sliding block to be attached to the bottom of the inner wall of an injection molding base through the elastic action, can further promote the clearance effect of sweeping away slider and clearance slider to the handing-over department of the inner arc curved surface of base of moulding plastics through the brush that sets up, the seat of striking off through articulated transmission concatenation can further adapt to the curved surface radian change of the base of moulding plastics two, the inseparable degree of laminating between seat and the base of moulding plastics two is further promoted to the compression spring accessible self elasticity of setting, the clearance sponge that sets up on striking off seat and the supporting rod can realize the circumference clearance operation to two outer walls of base of moulding plastics under the rotation effect of clearance swivel, the setting is supported and is further avoided causing the scratch to the outer wall of the base of moulding plastics two by the contact of slide bar accessible sphere.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a flow chart of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

FIG. 3 is a first cross-sectional view of the present invention;

FIG. 4 is a second cross-sectional view of the present invention;

FIG. 5 is an enlarged schematic view taken at A of FIG. 3 in accordance with the present invention;

FIG. 6 is an enlarged schematic view at B of FIG. 3 of the present invention;

FIG. 7 is a schematic view of a partial perspective view of the injection molding mechanism of the present invention;

fig. 8 is a schematic perspective view of a work object of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are only for the purpose of explaining the present invention and are not intended to limit the present invention.

Referring to 1-8, an injection molding process for an environment-friendly plastic meal box uses an injection molding device for the environment-friendly plastic meal box, the injection molding device for the environment-friendly plastic meal box comprises a mounting base plate 1, a support pillar 2, a support Contraband-shaped frame 3, a chute frame 4, an injection molding mechanism 5 and a cleaning mechanism 6, and the injection molding process for the environment-friendly plastic meal box by using the injection molding device for the environment-friendly plastic meal box comprises the following specific processes:

s2, injection molding: manually injecting the raw material of the environment-friendly plastic meal box in the step S1 into the injection molding mechanism 5, and performing injection molding operation of the environment-friendly plastic meal box through the injection molding mechanism 5;

s3, demolding and taking out: after step S2 is completed, the injection molding mechanism 5 is opened, the molded environment-friendly plastic lunch box is collected by the existing manipulator, and after cooling, a finished product of the environment-friendly plastic lunch box is obtained;

s4, drying and cleaning: after the step S3 is finished, the cleaning mechanism 6 is used for cleaning the residual injection molding raw materials and burrs in the injection molding mechanism 5, and after the cleaning is finished, the next batch of preparation operation of the environment-friendly plastic lunch boxes is carried out;

evenly be provided with support column 2 at the corner all around of 1 lower extreme of mounting plate, the decurrent support Contraband type frame 3 of opening is installed to the upper end front and back symmetry of mounting plate 1, and the upper end bilateral symmetry that supports Contraband type frame 3 is provided with spout frame 4, installs injection moulding mechanism 5 through sliding fit on spout frame 4, is located and installs clearance mechanism 6 through normal running fit on 5 inboard support Contraband type frames 3 of injection moulding mechanism, and clearance mechanism 6 is connected through normal running fit with injection moulding mechanism 5.

The injection molding mechanism 5 comprises an injection molding sliding plate 5a, an injection molding Contraband-shaped frame 5b, an injection molding spring 5c, an injection molding base I5 d, an injection molding base II 5e, a shifting motor 5f, a shifting slide rod 5g, a two-way screw 5h, a positioning shaft 5j and a positioning hole 5k, wherein the sliding groove frames 4 on the front and rear two-side supporting Contraband-shaped frames 3 are symmetrically provided with the injection molding sliding plates 5a through sliding fit, the upper end of the injection molding sliding plate 5a is symmetrically provided with the injection molding Contraband-shaped frame 5b, the injection molding Contraband-shaped frame 5b on the front side of the mounting base plate 1 is provided with the injection molding base I5 d through sliding fit, the injection molding base I5 d and the injection molding base II 5e are respectively connected with the injection molding Contraband-shaped frames 5b on the front and rear sides through the injection molding spring 5c, the shifting slide rod 5g is arranged between the supporting Contraband-shaped frames 3 on the front and rear sides through a bearing, the shifting slide bar 5g is connected with injection molding Contraband type frames 5b on the front side and the rear side through sliding fit, a bidirectional connecting rod is arranged between support Contraband type frames 3 on the other side of the shifting slide bar 5g through a bearing, bidirectional threaded ends of the bidirectional connecting rod are respectively connected with injection molding Contraband type frames 5b on the front side and the rear side, a shifting motor 5f is arranged on the support Contraband type frame 3 through a motor base, an output shaft of the shifting motor 5f is connected with a bidirectional screw rod 5h through a coupler, positioning shafts 5j are uniformly arranged on the injection molding base two 5e along the circumferential direction of the injection molding base two 5e, positioning holes 5k matched with the positioning shafts 5j are uniformly arranged on the injection molding base two 5e along the circumferential direction of the injection molding base two 5e, and injection molding holes are formed in the.

When the machine works, the shifting motor 5f is started to rotate forwards and drives the bidirectional screw 5h to rotate, the injection slide plates 5a which are symmetrically arranged are driven by the bidirectional thread ends of the bidirectional screw 5h to synchronously move in the middle along the slide groove frame 4, the injection Contraband-shaped frame 5b drives the injection bases I5 d which are symmetrically arranged and the injection bases II 5e to synchronously move in the middle until the positioning shafts 5j arranged on the injection bases II 5e are inserted into the positioning holes 5k on the injection bases II 5e through sliding fit, then the molten raw materials of the environment-friendly plastic lunch boxes are manually injected into a cavity formed between the injection bases I5 d and the injection bases II 5e along the injection openings, and then the injection bases I5 d and the injection bases II 5e are further attached and the injection raw materials are extruded and formed through further rotation of the shifting motor 5f, in this process, the injection-molded spring 5c is in a compressed state; after a proper setting time, the first injection molding base 5d and the second injection molding base 5e synchronously move in opposite directions by controlling the reverse rotation of the shift motor 5f and further by the transmission action of the bidirectional screw 5h and the injection molding sliding plate 5a, then the environment-friendly plastic lunch box after injection molding is taken out by the existing manipulator, and after a proper cooling time, the lunch box is collected and stored manually.

The cleaning mechanism 6 comprises a driving rack 6a, a driving rotating shaft 6b, a connecting chute 6c, a driving gear 6d, a cleaning rotating plate 6e, a cleaning Contraband-shaped frame 6f, a positioning sliding plate 6g, a shifting chute 6h, a positioning sliding rod 6j, a positioning spring 6k, a positioning rotating wheel 6m, a winding wheel 6n, a winding rope 6p, a positioning motor 6q, a cleaning motor 6r, a cleaning gear 6t, a cleaning rotating ring 6u, meshing teeth 6v and a cleaning unit 6w, wherein the driving rotating shaft 6b is symmetrically installed on a support Contraband-shaped frame 3 positioned below the chute frame 4 through rotating matching, the connecting chute 6c is symmetrically arranged on a support Contraband-shaped frame 3 positioned outside the chute frame 4, the driving gear 6d is symmetrically installed on the driving rotating shaft 6b positioned below the connecting chute 6c through splines, the driving rack 6a is symmetrically installed on an injection molding sliding plate 5a positioned above the connecting chute 6c, a driving rack 6a is in meshing transmission with a driving gear 6d, a cleaning rotating plate 6e is arranged on a driving rotating shaft 6b on the inner side of the driving gear 6d, a cleaning Contraband-shaped frame 6f with a downward opening is arranged on the outer side wall of the cleaning rotating plate 6e, a shifting chute 6h is formed in the upper end of a cleaning Contraband-shaped frame 6f, a positioning slide rod 6j is arranged on a cleaning Contraband-shaped frame 6f below the shifting chute 6h, a positioning slide plate 6g is arranged on the positioning slide rod 6j in a sliding fit manner, the positioning slide plate 6g is connected with the cleaning Contraband-shaped frame 6f through a positioning spring 6k, a winding wheel 6n is arranged on the inner side wall of the cleaning Contraband-shaped frame 6f in a rotating fit manner, a positioning rotating wheel 6m is arranged on the outer side wall of the cleaning Contraband-shaped frame 6f in a rotating fit manner, a winding rope 6p is arranged on the winding wheel 6n in a winding manner, the other end of the winding rope 6p is connected with the positioning slide plate On the side wall of 6m, a cleaning Contraband type frame 6f is provided with a positioning motor 6q through a motor base, the output shaft of the positioning motor 6q is connected with a winding wheel 6n, the upper end of a positioning sliding plate 6g is provided with a cleaning rotating ring 6u through rotating fit, the cleaning rotating ring 6u is a double-layer ring, the upper end of the positioning sliding plate 6g is provided with a limiting rotating ring matched with the cleaning rotating ring 6u in circular arc shape, the middle part of the cleaning rotating ring is arranged on the limiting rotating ring through rotating fit, the cleaning rotating ring 6u is evenly provided with a hairbrush, the side wall of the cleaning rotating ring 6u is evenly provided with meshing teeth 6v along the circumferential direction, a cleaning gear 6t is arranged on the positioning sliding plate 6g below the cleaning rotating ring 6u through rotating fit, the cleaning gear 6t is in meshing transmission with the meshing teeth 6v, the positioning sliding plate 6g is provided with a cleaning motor 6r through the motor base, an output shaft of the cleaning motor 6r is connected with the cleaning gear 6t, and a cleaning unit 6w is installed on the inner side of the cleaning rotary ring 6 u.

The cleaning unit 6w comprises a cleaning slide bar 6w1, a cleaning cylinder 6w2, a transmission block 6w3, a cleaning connecting rod 6w4, a cleaning rotating rod 6w5, a cleaning slider 6w6, a cleaning spring 6w7, a cleaning slider 6w8, a connecting spring 6w9, a supporting connecting rod 6w10, a scraping seat 6w11 and a compression spring 6w12, wherein the cleaning rotating ring 6u on one side of the injection molding base I5 d is provided with the cleaning slide bar 6w1 in the middle, the cleaning slide bar 6w1 on the outer side of the cleaning rotating ring 6u is provided with the transmission block 6w3 in a sliding fit manner, the cleaning cylinder 6w2 is arranged on the cleaning slide bar 6w1, the cleaning cylinder 6w2 is connected with the output shaft transmission block 6w3, the cleaning rotating rod 6w5 on the inner side of the cleaning rotating ring 6u is provided with the cleaning rotating rod 6w5 by a rotating fit manner, the inner wall of the injection molding base 24 w1 is equal in length to the injection molding base 24 d, and the injection molding base 585735 d is provided with a hemispherical injection molding end, the cleaning rotating rod 6w5 and the transmission block 6w3 are in hinged transmission through a cleaning connecting rod 6w4, the rotating end of the cleaning rotating rod 6w5 is provided with a cleaning slider 6w6 in a sliding fit manner, the cleaning slider 6w6 and the cleaning rotating rod 6w5 are connected through a cleaning spring 6w7, the end part of the cleaning slider 6w1 is symmetrically provided with a sweeping slider 6w8 in a sliding fit manner, the sweeping slider 6w8 and the cleaning slider 6w1 are connected through a connecting spring 6w9, the sweeping slider 6w8 and the cleaning slider 6w6 are both provided with brushes, the cleaning rotating ring 6u on one side of the injection molding base II 5e is provided with a leaning sliding rod in a sliding fit manner, the outer end of the leaning rod leans against the side wall of the injection molding base II 5e and the inner end of the leaning rod leans against the side wall of the injection molding base II 5e and is connected with the cleaning rotating ring 6u through a leaning spring, and the scraping seat 11 is arranged on the cleaning rotating ring 6u on one side of the injection molding base II 5e, the cleaning rotating ring 6u positioned on the inner side of the scraping seat 6w11 is provided with a support connecting rod 6w10 through hinged transmission, the support connecting rod 6w10 is connected with the cleaning rotating ring 6u through a compression spring 6w12, the support connecting rod 6w10 positioned below the scraping seat 6w11 is hinged transmission with the scraping seat 6w11, the scraping seat 6w11 is formed by splicing two sections of connecting rods through hinged rotation, and cleaning sponges are arranged on the inner side walls of the scraping seat 6w11 and the support connecting rod 6w 10.

When the injection molding machine works specifically, when the bidirectional screw 5h drives the injection molding sliding plate 5a to move towards two ends of the support Contraband-shaped frame 3, the driving rack 6a is further driven to move, the driving rack 6a further drives the driving rotating shaft 6b to rotate through meshing transmission with the driving gear 6d, the cleaning rotating plate 6e is further driven to perform overturning motion, after the cleaning rotating plate 6e overturns to a horizontal position, the positioning motor 6q is started to rotate forwards, the winding rope 6p is further driven to perform winding operation through rotation of the winding wheel 6n, the positioning sliding plate 6g is further pulled to slide along the positioning sliding rod 6j through the steering action of the positioning rotating wheel 6m in the winding process of the winding rope 6p, in the process, the positioning spring 6k is in a compression state, the cleaning sliding rod 6w1 enters the inner side of the injection molding base-5 d through the movement of the positioning sliding plate 6g, until the cleaning slide block 6w8 arranged at the end part of the cleaning slide rod 6w1 and the cleaning slide block 6w6 arranged at the end part of the cleaning rotating rod 6w5 are attached to the inner wall of the injection molding cavity of the injection molding base I5 d, at the same time, the cleaning seat 6w11 is further synchronously attached to the outer wall of the injection molding block of the injection molding base II 5e through the movement of the positioning slide plate 6g, then, the cleaning motor 6r is started and rotates forwards, the cleaning gear 6t is further driven to rotate, the cleaning gear 6t further drives the cleaning rotating ring 6u to rotate through meshing transmission between meshing teeth 6v, the cleaning slide rod 6w1 and the cleaning seat 6w11 are further driven to rotate, injection molding raw materials and burrs remained on the outer wall of the injection molding base II 5e of the sponge injection molding base II 5 are cleaned through the cleaning slide block 6w11 arranged on the cleaning seat 6w11, when the cleaning slide rod 6w1 rotates, the inner wall of the injection molding base I5 d is cleaned through the cleaning slide block 8 arranged at the end part of the cleaning slide rod 6w1 d The cleaning cylinder 6w2 drives the transmission block 6w3 to perform reciprocating linear movement, the support connecting rod 6w10 is driven to perform reciprocating rotation through hinged rotation of the cleaning connecting rod 6w4, the cleaning sliding block 6w6 is further enabled to perform reciprocating linear movement along the inner wall of the injection molding base 5d, circumferential cleaning operation on the inner wall of the injection molding base 5d is achieved through cooperation of the rotating action of the cleaning sliding rod 6w1, after cleaning is completed, the cleaning sliding rod 6w1 and the scraping seat 6w11 are further enabled to reset through reverse rotation of the control positioning motor 6q, and then the control shifting motor 5f rotates forwards again to perform injection molding operation of the next batch.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an environmental protection plastics cutlery box technology of moulding plastics, its used an environmental protection plastics cutlery box device of moulding plastics, this environmental protection plastics cutlery box device of moulding plastics includes mounting plate (1), support column (2), supports Contraband type frame (3), chute frame (4), mechanism (5) and clearance mechanism (6) of moulding plastics, its characterized in that: the specific process of the injection molding operation of the environment-friendly plastic meal box by adopting the injection molding device for the environment-friendly plastic meal box is as follows:

s2, injection molding: manually injecting the raw material of the environment-friendly plastic meal box in the step S1 into the injection molding mechanism (5), and performing injection molding operation of the environment-friendly plastic meal box through the injection molding mechanism (5);

s3, demolding and taking out: after the step S2 is finished, the injection molding mechanism (5) is opened, the environment-friendly plastic lunch box after injection molding is collected through the existing manipulator, and a finished product of the environment-friendly plastic lunch box is obtained after cooling;

s4, drying and cleaning: after the step S3 is finished, the injection molding raw materials and burrs left in the injection molding mechanism (5) are cleaned through the cleaning mechanism (6), and after the cleaning is finished, the next batch of preparation operation of the environment-friendly plastic lunch boxes is carried out;

supporting columns (2) are uniformly arranged at the corners around the lower end of the mounting base plate (1), Contraband supports (3) with downward openings are symmetrically arranged at the front and back of the upper end of the mounting base plate (1), sliding groove frames (4) are symmetrically arranged at the left and right of the upper end of the Contraband support (3), injection molding mechanisms (5) are arranged on the sliding groove frames (4) in a sliding fit manner, cleaning mechanisms (6) are arranged on the Contraband supports (3) positioned at the inner sides of the injection molding mechanisms (5) in a rotating fit manner, and the cleaning mechanisms (6) are connected with the injection molding mechanisms (5) in a rotating fit manner;

injection molding mechanism (5) including moulding plastics slide (5a), Contraband type frame (5b) of moulding plastics, spring (5c) moulds plastics, base (5d) of moulding plastics, base two (5e) of moulding plastics, shift motor (5f), shift slide bar (5g), two-way screw rod (5h), location axle (5j) and locating hole (5k), slide groove frame (4) on both sides support Contraband type frame (3) around being located installs through sliding fit symmetry and moulds plastics slide (5a), the upper end symmetry of slide (5a) of moulding plastics is installed and is moulded plastics Contraband type frame (5b), it installs base one (5d) of moulding plastics through sliding fit on Contraband type frame (5b) of moulding plastics that are located mounting plate (1) front side, it installs base two (5e) of moulding plastics through sliding fit on Contraband type frame (5b) of moulding plastics that are located mounting plate (1) rear side to mould plastics, and base one (5d) of moulding plastics and base two (5e) are moulded plastics through spring (5c) of moulding plastics respectively with around two ( The lateral injection molding Contraband type frames (5b) are connected, a shifting slide bar (5g) is arranged between the front and rear lateral support Contraband type frames (3) through a bearing, the shifting slide bar (5g) is connected with injection molding Contraband type frames (5b) at the front side and the rear side through sliding fit, a bidirectional connecting rod is arranged between the support Contraband type frames (3) at the other side of the shifting slide bar (5g) through a bearing, the two-way thread end of the two-way connecting rod is respectively connected with the injection molding Contraband type frames (5b) at the front side and the rear side, a shift motor (5f) is arranged on the support Contraband type frame (3) through a motor base, an output shaft of the shifting motor (5f) is connected with the bidirectional screw (5h) through a coupler, positioning shafts (5j) are uniformly arranged on the second injection molding base (5e) along the circumferential direction of the second injection molding base, and positioning holes (5k) matched with the positioning shafts (5j) are uniformly arranged on the second injection molding base (5e) along the circumferential direction of the second injection molding base;

cleaning mechanism (6) including drive rack (6a), drive pivot (6b), connect spout (6c), drive gear (6d), clearance commentaries on classics board (6e), clearance Contraband type frame (6f), location slide (6g), shift chute (6h), location slide bar (6j), location spring (6k), location runner (6m), wind-up wheel (6n), receipts rolling rope (6p), location motor (6q), clearance motor (6r), clearance gear (6t), clearance change (6u), meshing tooth (6v) and cleaning unit (6w), install drive pivot (6b) through the rotation cooperation symmetry on support Contraband type frame (3) that is located spout frame (4) below, support Contraband type frame (3) that are located the spout frame (4) outside have symmetrically seted up spline connection spout (6c), install drive tooth symmetry on drive pivot (6b) that are located connection spout (6c) below through the symmetry The wheel (6d), the injection molding sliding plate (5a) positioned above the connecting sliding groove (6c) is symmetrically provided with a driving rack (6a), the driving rack (6a) is in meshing transmission with the driving gear (6d), the driving rotating shaft (6b) positioned on the inner side of the driving gear (6d) is provided with a cleaning rotating plate (6e), the outer side wall of the cleaning rotating plate (6e) is provided with a cleaning Contraband type frame (6f) with a downward opening, the upper end of the cleaning Contraband type frame (6f) is provided with a shifting sliding groove (6h), the cleaning Contraband type frame (6f) positioned below the shifting sliding groove (6h) is provided with a positioning sliding rod (6j), the positioning sliding rod (6j) is provided with a positioning sliding plate (6g) in sliding fit, the positioning sliding plate (6g) is connected with the cleaning Contraband type frame (6f) through a positioning spring (6k), the inner side wall of the cleaning Contraband type frame (6f) is provided with a winding wheel (6n) in rotating fit, the outer side wall of a cleaning Contraband type frame (6f) is provided with a positioning rotating wheel (6m) in a rotating fit manner, a winding rope (6p) is arranged on a winding wheel (6n) in a winding effect, the other end of the winding rope (6p) is connected with a positioning sliding plate (6g), the middle part of the winding rope (6p) is abutted against the side wall of the positioning rotating wheel (6m) in a rotating fit manner, a positioning motor (6q) is arranged on a cleaning Contraband type frame (6f) through a motor base, an output shaft of the positioning motor (6q) is connected with the winding wheel (6n), the upper end of the positioning sliding plate (6g) is provided with a cleaning rotating ring (6u) in a rotating fit manner, brushes are uniformly arranged on the cleaning rotating ring (6u), meshing teeth (6v) are uniformly arranged on the side wall of the cleaning rotating ring (6u) along the circumferential direction of the side, a cleaning gear (6t) is arranged on the positioning sliding plate (6g) below the cleaning rotating ring (6u) in, and clearance gear (6t) and meshing tooth (6v) meshing transmission, install clearance motor (6r) through the motor cabinet on location slide (6g), the output shaft of clearance motor (6r) is connected with clearance gear (6t), and clearance unit (6w) are installed to the inboard of clearance swivel (6 u).

2. The injection molding process of an environment-friendly plastic meal box according to claim 1, wherein: the cleaning unit (6w) comprises a cleaning sliding rod (6w1), a cleaning air cylinder (6w2), a transmission block (6w3), a cleaning connecting rod (6w4), a cleaning rotating rod (6w5), a cleaning sliding block (6w6), a cleaning spring (6w7), a cleaning sliding block (6w8), a connecting spring (6w9), a supporting connecting rod (6w10), a scraping seat (6w11) and a compression spring (6w12), the cleaning rotating ring (6u) on one side of the injection molding base I (5d) is provided with the cleaning sliding rod (6w1) in the middle, the cleaning sliding rod (6w1) on the outer side of the cleaning rotating ring (6u) is provided with the transmission block (6w3) in a sliding fit manner, the cleaning air cylinder (6w2) is arranged on the cleaning sliding rod (6w1), an output shaft of the cleaning air cylinder (6w2) is connected with the cleaning transmission block (6w3), and the cleaning rotating rod (5) is arranged on the inner side of the cleaning rotating ring (6w 466 w5), and the cleaning rotating rod (6w5) is hinged with the transmission block (6w3) through a cleaning connecting rod (6w4), the rotating end of the cleaning rotating rod (6w5) is provided with a cleaning sliding block (6w6) through sliding fit, the cleaning sliding block (6w6) is connected with the cleaning rotating rod (6w5) through a cleaning spring (6w7), the end part of the cleaning sliding rod (6w1) is symmetrically provided with a sweeping sliding block (6w8) through sliding fit, the sweeping sliding block (6w8) is connected with the cleaning sliding rod (6w1) through a connecting spring (6w9), the cleaning rotating ring (6u) positioned at one side of the injection molding base II (5e) is provided with a scraping base (6w11) through hinged transmission, the cleaning rotating ring (6u) positioned at the inner side of the scraping base (6w11) is provided with a supporting connecting rod (6w10) through hinged transmission, the supporting connecting rod (6w 6725) is connected with the cleaning rotating ring (6w10) through a compression spring (12), and a supporting connecting rod (6w10) positioned below the scraping seat (6w11) is hinged with the scraping seat (6w 11).

3. The injection molding process of an environment-friendly plastic meal box according to claim 2, wherein: the sweeping sliding block (6w8) and the cleaning sliding block (6w6) are both provided with brushes.

4. The injection molding process of an environment-friendly plastic meal box according to claim 2, wherein: scraping seat (6w11) for two sections connecting rods through articulated rotation concatenation form, and scrape all be provided with the clearance sponge on the inside wall of seat (6w11) and support connecting rod (6w 10).

5. The injection molding process of an environment-friendly plastic meal box according to claim 1, wherein: the cleaning rotating ring (6u) is a double-layer circular ring, the upper end of the positioning sliding plate (6g) is provided with a limiting rotating ring matched with the cleaning rotating ring (6u) in an arc shape, and the middle part of the cleaning rotating ring is installed on the limiting rotating ring in a rotating fit mode.

6. The injection molding process of an environment-friendly plastic meal box according to claim 2, wherein: injection molding base (5d) mould plastics intracavity wall and set up for the hemisphere cambered surface, and clearance bull stick (6w5) rotation end length equals with injection molding base (5d) injection molding chamber radius, be located and mould plastics and install through sliding fit on clearance bull ring (6u) of two (5e) one sides of base and lean on the slide bar, the outer end that leans on the slide bar is supported and is leaned on the lateral wall of two (5e) of base of moulding plastics and lean on the inner of leaning on the slide bar to be connected with clearance bull ring (6u) through leaning on the spring.