CN115582976A - Injection molding device for producing plastic barrel - Google Patents
Injection molding device for producing plastic barrel Download PDFInfo
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- CN115582976A CN115582976A CN202211245192.3A CN202211245192A CN115582976A CN 115582976 A CN115582976 A CN 115582976A CN 202211245192 A CN202211245192 A CN 202211245192A CN 115582976 A CN115582976 A CN 115582976A
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- 239000004033 plastic Substances 0.000 title claims abstract description 55
- 229920003023 plastic Polymers 0.000 title claims abstract description 55
- 238000001746 injection moulding Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 88
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000000465 moulding Methods 0.000 claims abstract description 8
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 230000001174 ascending effect Effects 0.000 claims description 12
- 230000001960 triggered effect Effects 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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Classifications
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- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
-
- 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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7154—Barrels, drums, tuns, vats
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to an injection molding device for producing a plastic barrel, which comprises a base, a vertical plate fixedly arranged on the base and vertical to the base, and a cylinder, wherein the cylinder is fixed on the base and matched with a lifting column movably arranged on the base, the central axes of the lifting column and the cylinder are superposed, the diameter of the lifting column is smaller than the inner diameter of the cylinder, the lifting column is connected with a thread lifting mechanism arranged on the vertical plate, the thread lifting mechanism is used for driving the lifting column to lift, so that when the lifting column moves into the cylinder, a mold cavity for molding the plastic barrel is formed, a disc is hermetically and slidably arranged in the cylinder and connected with a jacking mechanism arranged at the bottom of the base, the jacking mechanism is connected with the thread lifting mechanism through a transmission mechanism, and effective automatic demolding function is realized through mutual matching of all mechanisms and parts, and manual demolding by workers is not needed.
Description
Technical Field
The invention relates to the technical field related to plastic barrel production, in particular to an injection molding device for producing a plastic barrel.
Background
The plastic barrel is made of polyethylene. The plastic barrel is formed by blow molding and injection molding of plastics such as polypropylene and the like, is mainly used for storage and transportation of various liquids, has good characteristics for special dangerous goods packaging, has the characteristics of low fragility, no rustiness, light weight and the like, has good oil resistance and corrosion resistance, and is mainly used for dangerous goods packaging needing heat preservation, moisture protection and pressure resistance.
When plastic barrels are injection molded, an injection molding machine (an injection machine or an injection molding machine for short) is often used, which is a main molding device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding mold, and the injection molding is realized by the injection molding machine and the mold.
At present device of moulding plastics, add man-hour at the actual production, the plastic drum is generally the manual drawing of patterns of carrying on after moulding plastics, has both increased staff's intensity of labour like this, has also consumed more time, and then just makes work efficiency low, is difficult to guarantee the production progress.
Disclosure of Invention
The present invention is directed to an injection molding apparatus for producing plastic barrels, which solves the above-mentioned problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
an injection molding device for producing a plastic barrel comprises a base, a vertical plate fixedly mounted on the base and vertical to the base, and a cylinder fixed on the base and matched with a lifting column movably arranged on the base, wherein the central axes of the lifting column and the cylinder are superposed, the diameter of the lifting column is smaller than the inner diameter of the cylinder, the lifting column is connected with a thread lifting mechanism mounted on the vertical plate, and the thread lifting mechanism is used for driving the lifting column to lift so as to form a mold cavity for molding the plastic barrel when the lifting column moves into the cylinder;
the disc is arranged in the cylinder in a sealing sliding mode and is connected with a jacking mechanism arranged at the bottom of the base, the jacking mechanism is connected with the thread lifting mechanism through a transmission mechanism, the transmission mechanism is triggered in the later section of the ascending stroke of the lifting column to enable the jacking mechanism to drive the disc to slide in the cylinder once, and the disc performs ejection action on the plastic barrel formed in the cylinder;
the pushing mechanism is arranged on the vertical plate and connected with the jacking mechanism, and is triggered in the later stroke of the disc lifting so as to push the plastic barrel formed on the disc;
and the feeding mechanism is arranged on the base, is matched with the transmission mechanism and is used for injecting the stub bar in a molten state into the die cavity after the die cavity is formed.
As a further scheme of the invention: the jacking mechanism comprises an ejector rod with one end fixed to the disc, a driven rod fixed to one end of the disc and a cam rotatably mounted at the bottom of the base, wherein the driven rod is far away from the end of the disc, and a rotating shaft of the cam is connected with the transmission mechanism and is provided with a sliding fit structure between the driven rods.
As a still further scheme of the invention: the sliding fit structure comprises a strip-shaped through groove formed in the driven rod and a driving column fixed on one side of the driven rod, wherein the cam faces the driving column on one side of the driven rod, and the driving column penetrates through the strip-shaped through groove and is connected with the driven rod in a sliding mode.
As a still further scheme of the invention: the transmission mechanism comprises a sliding assembly arranged on the base and a one-way trigger structure connected with the sliding assembly and the cam rotating shaft, and the sliding assembly is connected with the thread lifting mechanism.
As a still further scheme of the invention: the sliding assembly comprises two cross rods fixedly arranged on the base, a sliding plate arranged on the two cross rods in a sliding manner, and a transverse moving plate fixed with the sliding plate through a connecting column;
the sliding plate is connected with the thread lifting mechanism, the transverse moving plate is located at the bottom of the base, and the base is provided with a through hole for the connecting column to move.
As a still further scheme of the invention: the one-way trigger structure is installed including rotating the ratchet of base bottom, the axis of rotation of ratchet passes through the second drive belt and connects the axis of rotation of cam, just a plurality of inclined grooves have been seted up to the bottom equidistance of sideslip board, every all articulated in the inclined groove have one with ratchet complex pawl.
As a still further scheme of the invention: the thread lifting mechanism comprises two threaded rods rotatably mounted on the base, two thread sleeves respectively arranged on the two threaded rods and in threaded connection with the threaded rods, and a driving motor mounted on the vertical plate;
the output end of the driving motor is connected with one end, far away from the base, of one of the threaded rods, the two threaded rods are connected through a first transmission belt, and the lifting column is fixed between the two threaded sleeves;
the sliding plate is connected with the threaded sleeve close to the sliding plate through a push-pull rod, and two ends of the push-pull rod are hinged with the sliding plate and the threaded sleeve respectively.
As a still further scheme of the invention: the pushing mechanism comprises two push rods arranged on the vertical plate in a sliding mode, an arc-shaped piece fixed at one end, facing the cylinder, of each push rod and a push plate fixed at one end, far away from the arc-shaped piece, of each push rod;
the push plate comprises a vertical plate, an arc-shaped piece, two push rods, a push plate and a connecting rod, wherein the periphery of each push rod is sleeved with a cylindrical spring, two ends of each cylindrical spring are connected with the vertical plate and the arc-shaped piece respectively, and the push plate comprises a vertical section and an inclined section;
the driven rod is further fixedly provided with a transmission rod in sliding connection with the base, and the transmission rod is abutted to the vertical section.
As a still further scheme of the invention: the feeding mechanism comprises a feeding cylinder and an electric push rod which are arranged on the base, a piston disc fixed with the movable end of the electric push rod is arranged in the feeding cylinder, and a heating wire is arranged on the periphery of the feeding cylinder;
the feeding device is characterized in that a displacement sensor is further installed on the base and is in communication with the electric push rod, one end, far away from the electric push rod, of the feeding cylinder is communicated with the cylinder through a transmission pipeline, a feed inlet capable of being opened and closed is further formed in the feeding cylinder, and the feed inlet is used for inputting a stub bar into the feeding cylinder.
Compared with the prior art, the invention has the beneficial effects that: the invention has novel design, when in use, the thread lifting mechanism works to drive the lifting column to descend, the lifting column and the cylinder form a die cavity after reaching the lowest point, then the feeding mechanism injects a stub bar in a molten state into the die cavity, after cooling and forming, the thread lifting mechanism works reversely to drive the lifting column to ascend and reset, and the transmission mechanism is triggered to drive the lifting mechanism to drive the disc to slide in the cylinder once in the latter stroke of ascending of the lifting column, so that the plastic barrel formed in the disc is ejected, and the pushing mechanism is triggered to push down the plastic barrel formed on the disc in the latter stroke of the upward sliding of the disc.
Drawings
Fig. 1 is an isometric view of one embodiment of an injection molding apparatus for producing plastic pails.
Fig. 2 is a schematic structural view of an embodiment of an injection molding apparatus for producing plastic tubs.
Fig. 3 is a schematic structural view of another angle of an embodiment of an injection molding device for producing plastic barrels.
Fig. 4 is another angle structure diagram of an embodiment of the injection molding device for producing the plastic barrel.
Fig. 5 is an exploded view of the structure of a jacking mechanism in an embodiment of an injection molding apparatus for manufacturing plastic barrels.
Fig. 6 is a schematic structural view of a pushing mechanism in an embodiment of an injection molding apparatus for producing plastic barrels.
FIG. 7 is a schematic view showing the connection relationship between the lifting mechanism and the transmission mechanism in an embodiment of the injection molding apparatus for manufacturing plastic barrels.
In the figure: 1. a base; 2. a vertical plate; 3. a feeding barrel; 4. a cylinder; 5. a lifting column; 6. a drive motor; 7. a threaded rod; 8. a threaded sleeve; 9. a first drive belt; 10. an arcuate member; 11. a push-pull rod; 12. a cross bar; 13. a slide plate; 14. connecting columns; 15. transversely moving the plate; 16. a ratchet wheel; 17. a second belt; 18. a cam; 19. a drive column; 20. a top rod; 21. a disc; 22. a driven lever; 23. a transmission rod; 24. pushing a plate; 2401. a vertical section; 2402. an inclined section; 25. a push rod; 26. a cylindrical spring; 27. a displacement sensor; 28. an electric push rod; 29. a heating wire; 30. and a feeding port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In addition, an element described herein as being "secured to" or "disposed on" another element may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1-7, in an embodiment of the present invention, an injection molding apparatus for producing a plastic barrel includes a base 1, a vertical plate 2 fixedly installed on the base 1 and perpendicular to the base, and a cylinder 4 fixed on the base 1 and cooperating with a lifting column 5 movably installed on the base 1, wherein central axes of the lifting column 5 and the cylinder 4 are coincident, a diameter of the lifting column 5 is smaller than an inner diameter of the cylinder 4, the lifting column 5 is connected with a thread lifting mechanism installed on the vertical plate 2, and the thread lifting mechanism is used for driving the lifting column 5 to lift, so that a mold cavity for molding the plastic barrel is formed when the lifting column 5 moves into the cylinder 4;
the disc 21 is arranged in the cylinder 4 in a sealing sliding manner and is connected with a jacking mechanism arranged at the bottom of the base 1, the jacking mechanism is connected with the threaded lifting mechanism through a transmission mechanism, the transmission mechanism is triggered in the later section of ascending stroke of the lifting column 5 to enable the jacking mechanism to drive the disc 21 to slide in the cylinder 4 at one time, and the disc 21 performs a jacking action on a plastic barrel formed in the cylinder 4;
the pushing mechanism is arranged on the vertical plate 2 and connected with the jacking mechanism, and is triggered in the later section of the ascending stroke of the disc 21 so as to push the plastic barrel formed on the disc 21;
and the feeding mechanism is arranged on the base 1, is matched with the transmission mechanism and is used for injecting a stub bar in a molten state into the die cavity after the die cavity is formed.
When the device is used, the thread lifting mechanism works to drive the lifting column 5 to descend, the lifting column 5 and the cylinder 4 form a mold cavity after reaching the lowest point, then the feeding mechanism injects a molten stub bar into the mold cavity, after cooling and forming, the thread lifting mechanism works reversely again to drive the lifting column 5 to ascend and reset, and in the latter ascending stroke of the lifting column 5, the transmission mechanism is triggered to drive the jacking mechanism to drive the disc 21 to slide upwards in the cylinder 4 for one time, so that a plastic barrel formed in the disc 21 is ejected, and in the latter ascending stroke of the disc 21, the pushing mechanism is triggered to push down the plastic barrel formed on the disc 21;
to sum up, through mutually supporting between each mechanism and the part, realized effectual function of moulding plastics to and automatic drawing of patterns function, in actual production, need not staff's manual drawing of patterns, can promote production efficiency greatly, consequently, the spreading value of this device is high.
Referring to fig. 4 and 5 again, the jacking mechanism includes a push rod 20 having one end fixed to the disc 21, a follower rod 22 fixed to an end of the push rod 20 away from the disc 21, and a cam 18 rotatably mounted at the bottom of the base 1, wherein a rotating shaft of the cam 18 is connected to the transmission mechanism, and a sliding fit structure is provided between the cam 18 and the follower rod 22.
The sliding fit structure comprises a strip-shaped through groove formed in the driven rod 22 and a driving column 19 fixed to one side, facing the driven rod 22, of the cam 18, wherein the driving column 19 penetrates through the strip-shaped through groove and is connected with the driven rod 22 in a sliding mode.
In the latter section of ascending stroke of lifting column 5, when drive mechanism triggers the motion promptly, drive mechanism's in-process will drive cam 18 and rotate a week to, cam 18 drives drive post 19 and makes a circular motion, and carries out sliding fit through bar logical groove and driven lever 22, and then, driven lever 22 just drives disc 21 through ejector pin 20 and carries out a reciprocating sliding in drum 4, makes the plastic drum that has already shaped in drum 4 ejected to the outside of drum 4, guarantees going on smoothly of follow-up drawing of patterns.
Referring to fig. 2 and 7 again, the transmission mechanism includes a sliding component mounted on the base 1 and a unidirectional triggering structure connecting the sliding component and the rotating shaft of the cam 18, and the sliding component is connected to the screw thread lifting mechanism.
The sliding assembly comprises two cross rods 12 fixedly mounted on the base 1, sliding plates 13 slidably mounted on the two cross rods 12, and a transverse moving plate 15 fixed with the sliding plates 13 through connecting columns 14. The sliding plate 13 is connected with the thread lifting mechanism, the transverse moving plate 15 is positioned at the bottom of the base 1, and the base 1 is provided with a through hole for the connecting column 14 to move.
The one-way trigger structure comprises a ratchet wheel 16 rotatably mounted at the bottom of the base 1, a rotating shaft of the ratchet wheel 16 is connected with a rotating shaft of the cam 18 through a second transmission belt 17, a plurality of inclined grooves are formed in the bottom of the transverse moving plate 15 at equal intervals, and a pawl matched with the ratchet wheel 16 is hinged in each inclined groove.
The screw thread lifting mechanism drives the sliding plate 13 to slide on the two cross rods 12 in a direction away from the cylinder 4 gradually in the process of driving the lifting column 5 to descend, in the process, the pawl hinged to the bottom of the traverse plate 15 turns over in the inclined groove at the bottom of the traverse plate 15 in the process of passing through the ratchet wheel 16, the ratchet wheel 16 does not rotate, in the process of driving the lifting column 5 to ascend, the sliding plate 13 is driven to slide and reset on the two cross rods 12 towards the cylinder 4 gradually, in the later stroke of the lifting column 5 (namely, in the later stroke of the sliding plate 13 towards the cylinder 4), the pawl hinged to the bottom of the traverse plate 15 starts to contact with the ratchet wheel 16 and passes through the ratchet wheel 16, at the moment, the inclined groove at the bottom of the traverse plate 15 limits the pawl, the pawl cannot turn over in the inclined groove, so that the ratchet wheel 16 rotates, and the rotating shaft of the ratchet wheel 16 drives the cam 18 to rotate for a circle through the second transmission belt 17, so that the disc 21 performs ejection action on the plastic barrel formed in the cylinder 4.
Referring to fig. 1 and 2 again, the screw lifting mechanism includes two threaded rods 7 rotatably mounted on the base 1, two threaded sleeves 8 respectively disposed on the two threaded rods 7 and in threaded connection therewith, and a driving motor 6 mounted on the vertical plate 2. The output end of the driving motor 6 is connected with one end, far away from the base 1, of one of the threaded rods 7, the two threaded rods 7 are connected through a first transmission belt 9, and the lifting column 5 is fixed between the two threaded sleeves 8;
the sliding plate 13 is connected with the threaded sleeve 8 close to the sliding plate through a push-pull rod 11, and two ends of the push-pull rod 11 are respectively hinged with the sliding plate 13 and the threaded sleeve 8.
It should be noted that the driving motor 6 is a forward and reverse rotation motor, and a 4IK/80 yyyjt motor is adopted, and the motor has stable performance, and other motors can be adopted as long as the driving requirement is met, which is not specifically limited in this application.
During processing, the driving motor 6 drives the threaded rod 7 connected with the output end of the driving motor to rotate in the forward direction, so that the two threaded rods 7 can synchronously rotate in the same direction through the first transmission belt 9, and then the two threaded sleeves 8 can drive the lifting column 5 to descend, so that the lifting column 5 enters the cylinder 4 to form a mold cavity, and after the plastic barrel in the mold cavity is molded, the driving motor 6 drives the threaded rod 7 to rotate in the reverse direction, so that the two threaded sleeves 8 drive the lifting column 5 to be pulled out of the cylinder 4 for resetting;
when the threaded sleeve 8 is lowered, the sliding plate 13 will be pushed by the push-pull rod 11 to slide on the two bars 12 in a direction away from the cylinder 4, whereas when the threaded sleeve 8 is raised, the sliding plate 13 will be pulled by the push-pull rod 11 to slide on the two bars 12 towards the cylinder 4.
Referring to fig. 5 and fig. 6 again, the pushing mechanism includes two pushing rods 25 slidably disposed on the vertical plate 2, an arc-shaped member 10 fixed at one end of the two pushing rods 25 facing the cylinder 4, and a pushing plate 24 fixed at one end of the two pushing rods 25 away from the arc-shaped member 10;
a cylindrical spring 26 is sleeved on the periphery of each of the two push rods 25, two ends of the cylindrical spring 26 are respectively connected with the vertical plate 2 and the arc-shaped part 10, and the push plate 24 comprises a vertical section 2401 and an inclined section 2402;
a transmission rod 23 connected with the base 1 in a sliding manner is further fixed on the driven rod 22, and the transmission rod 23 is abutted against the vertical section 2401.
When the driven rod 22 ascends, the driven rod 23 is driven to ascend along the vertical section 2401, and the driven rod 22 ascends in the later section of the ascending stroke, the driven rod 23 moves to the inclined section 2402 from the vertical section 2401, so that the push plate 24 can yield, the push plate 24 pushes the arc part 10 to slide away from the vertical plate 2 through the push rod 25, the arc part 10 pushes down the formed plastic barrel on the disc 21, and the cylindrical spring 26 is stretched, then the driven rod 22 drives the disc 21 to descend and reset in the previous section of the ascending stroke, the driven rod 23 moves to the vertical section 2401 from the inclined section 2402, and the cylindrical spring 26 elastically restores, so that the arc part 10 gradually resets.
Referring to fig. 2 and fig. 3 again, the feeding mechanism includes a feeding cylinder 3 and an electric push rod 28 mounted on the base 1, a piston disc fixed to a movable end of the electric push rod 28 is disposed in the feeding cylinder 3, and a heating wire 29 is disposed on an outer periphery of the feeding cylinder 3;
the base 1 is further provided with a displacement sensor 27, the displacement sensor 27 is in communication with the electric push rod 28, one end, away from the electric push rod 28, of the feeding cylinder 3 is communicated with the cylinder 4 through a transmission pipeline, the feeding cylinder 3 is further provided with an openable feeding port 30, and the feeding port 30 is used for inputting a stub bar into the feeding cylinder 3.
When the feeding device is used, a stub bar is input into the feeding cylinder 3 through the feeding port 30, then the stub bar in the feeding cylinder 3 can be melted by the heating wire 29 to form a stub bar in a molten state, and then the feeding port 30 is closed;
the displacement sensor 27 is also called a linear sensor, and is a linear device belonging to metal induction, and the sensor is used for converting various measured physical quantities into electric quantities, and in the application, the displacement sensor 27 is used for monitoring the position of the sliding plate 13 in real time;
when the displacement sensor 27 senses that the sliding plate 13 slides to the position farthest away from the cylinder 4, which indicates that the lifting column 5 has descended to the lowest point, a mold cavity is formed between the lifting column 5 and the cylinder 4, and then the displacement sensor 27 sends a control signal to the electric push rod 28, the electric push rod 28 drives the piston disc in the feed cylinder 3 to slide for a certain distance, so that the molten stub bar in the feed cylinder 3 is extruded into the mold cavity through the conveying pipeline.
When the injection molding device for producing the plastic barrel is implemented specifically, in use, a stub bar is input into the feeding cylinder 3 through the feeding port 30, then the stub bar in the feeding cylinder 3 can be melted by the heating wire 29 to form a molten stub bar, and then the feeding port 30 is closed;
then, the driving motor 6 drives the threaded rod 7 connected with the output end of the driving motor to rotate forward, so that the two threaded rods 7 can synchronously rotate in the same direction through the first transmission belt 9, and further, the two threaded sleeves 8 can drive the lifting column 5 to descend, so that the lifting column 5 enters the cylinder 4 to form a mold cavity, the threaded sleeves 8 push the sliding plates 13 to slide on the two cross rods 12 in the direction away from the cylinder 4 through the push-pull rod 11, when the displacement sensor 27 senses that the sliding plates 13 slide to the position farthest away from the cylinder 4, the displacement sensor 27 indicates that the lifting column 5 has descended to the lowest point, the mold cavity has been formed between the lifting column 5 and the cylinder 4, and further, the displacement sensor 27 sends a control signal to the electric push rod 28, the electric push rod 28 drives the piston disc in the feed cylinder 3 to slide for a distance, so that the material head in a molten state in the feed cylinder 3 is extruded into the mold cavity through the transmission pipeline;
after the plastic barrel in the mold cavity is molded, the driving motor 6 drives the threaded rod 7 to rotate reversely, so that the two threaded sleeves 8 drive the lifting column 5 to be pulled away from the cylinder 4 for reset, when the threaded sleeves 8 ascend, the push-pull rod 11 pulls the sliding plate 13 to slide towards the cylinder 4 on the two cross rods 12, at the moment, the inclined groove at the bottom of the transverse moving plate 15 limits the pawl, the pawl cannot turn over in the inclined groove, the ratchet wheel 16 rotates, and the rotating shaft of the ratchet wheel 16 drives the cam 18 to rotate for a circle through the second transmission belt 17;
therefore, the cam 18 drives the driving column 19 to do a circular motion, and the driving column is in sliding fit with the driven rod 22 through the strip-shaped through groove, and further, the driven rod 22 drives the disc 21 to perform a reciprocating sliding in the cylinder 4 through the ejector rod 20, so that the plastic barrel formed in the cylinder 4 is ejected out of the cylinder 4;
when the driven rod 22 ascends, the driven rod 23 is driven to ascend the vertical section 2401, the driven rod 22 ascends in the ascending rear section of stroke, the driven rod 23 moves to the inclined section 2402 through the vertical section 2401, and then the push plate 24 can yield, so that the push plate 24 pushes the arc part 10 to slide away from the vertical plate 2 through the push rod 25, the arc part 10 pushes down the formed plastic barrel on the disc 21, the cylindrical spring 26 is stretched, and then the driven rod 22 drives the disc 21 to descend to reset in the front section of stroke, the driven rod 23 moves to the vertical section 2401 through the inclined section 2402, the cylindrical spring 26 performs elastic recovery, the arc part 10 resets gradually, and an effective automatic demolding function is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (9)
1. An injection molding device for producing plastic barrels, comprising a base (1) and a vertical plate (2) fixedly mounted on the base (1) and vertical to the base, characterized in that it further comprises:
the lifting column (5) is connected with a thread lifting mechanism arranged on the vertical plate (2), and the thread lifting mechanism is used for driving the lifting column (5) to lift so as to form a mold cavity for molding the plastic barrel when the lifting column (5) moves into the cylinder (4);
the disc (21) is arranged in the cylinder (4) in a sealing sliding mode and is connected with a jacking mechanism arranged at the bottom of the base (1), the jacking mechanism is connected with the threaded lifting mechanism through a transmission mechanism, the transmission mechanism is triggered in the later section of ascending stroke of the lifting column (5) to enable the jacking mechanism to drive the disc (21) to slide in the cylinder (4) for one time, and the disc (21) performs ejection action on the plastic barrel formed in the cylinder (4);
the pushing mechanism is arranged on the vertical plate (2) and connected with the jacking mechanism, and is triggered in the later section of the ascending stroke of the disc (21) to push the plastic barrel formed on the disc (21);
and the feeding mechanism is arranged on the base (1), is matched with the transmission mechanism and is used for injecting a stub bar in a molten state into the die cavity after the die cavity is formed.
2. An injection molding device for producing plastic barrels as claimed in claim 1, wherein the jacking mechanism comprises a push rod (20) with one end fixed with the disc (21), a driven rod (22) fixed at one end of the push rod (20) far away from the disc (21), and a cam (18) rotatably mounted at the bottom of the base (1), the rotating shaft of the cam (18) is connected with the transmission mechanism, and a sliding fit structure is arranged between the cam and the driven rod (22).
3. An injection-molding device for producing plastic drums or barrels as claimed in claim 2, wherein said sliding fit structure comprises a strip-shaped through slot opened on said driven rod (22) and a driving post (19) fixed on the side of said cam (18) facing said driven rod (22), and said driving post (19) penetrates through said strip-shaped through slot and is slidably connected with said driven rod (22).
4. An injection molding apparatus for producing plastic barrels as claimed in claim 2 wherein said transmission mechanism includes a slide assembly mounted on said base (1) and a one-way trigger mechanism connecting said slide assembly with the rotational axis of said cam (18), and said slide assembly is connected with said screw elevating mechanism.
5. An injection molding apparatus for producing plastic drums, as claimed in claim 4, wherein said sliding assembly comprises two cross bars (12) fixedly mounted on said base (1), a sliding plate (13) slidably mounted on said two cross bars (12), and a traverse plate (15) fixed with said sliding plate (13) by a connecting column (14);
the sliding plate (13) is connected with the thread lifting mechanism, the transverse moving plate (15) is located at the bottom of the base (1), and the base (1) is provided with a through hole for the connecting column (14) to move.
6. An injection molding device for producing plastic barrels as claimed in claim 5, wherein the one-way trigger structure comprises a ratchet wheel (16) rotatably mounted at the bottom of the base (1), the rotating shaft of the ratchet wheel (16) is connected with the rotating shaft of the cam (18) through a second transmission belt (17), and the bottom of the traverse plate (15) is provided with a plurality of inclined grooves at equal intervals, and each inclined groove is hinged with a pawl matched with the ratchet wheel (16).
7. An injection molding device for producing plastic barrels as claimed in claim 6, wherein the screw thread lifting mechanism comprises two screw rods (7) rotatably mounted on the base (1), two screw sleeves (8) respectively disposed on and screw-connected with the two screw rods (7), and a driving motor (6) mounted on the vertical plate (2);
the output end of the driving motor (6) is connected with one end, far away from the base (1), of one of the threaded rods (7), the two threaded rods (7) are connected through a first transmission belt (9), and the lifting column (5) is fixed between the two threaded sleeves (8);
the sliding plate (13) is connected with the threaded sleeve (8) close to the sliding plate through a push-pull rod (11), and two ends of the push-pull rod (11) are respectively hinged with the sliding plate (13) and the threaded sleeve (8).
8. An injection-molding device for producing plastic barrels as claimed in claim 2, wherein the pushing mechanism comprises two push rods (25) slidably disposed on the vertical plate (2), an arc-shaped member (10) fixed at one end of the two push rods (25) facing the cylinder (4), and a push plate (24) fixed at one end of the two push rods (25) away from the arc-shaped member (10);
the outer peripheries of the two push rods (25) are respectively sleeved with a cylindrical spring (26), two ends of each cylindrical spring (26) are respectively connected with the vertical plate (2) and the arc-shaped part (10), and the push plate (24) comprises a vertical section (2401) and an inclined section (2402);
and a driving rod (23) which is in sliding connection with the base (1) is further fixed on the driven rod (22), and the driving rod (23) is abutted against the vertical section (2401).
9. An injection molding apparatus for producing plastic barrels as claimed in claim 1, wherein the feeding mechanism comprises a feeding cylinder (3) and an electric push rod (28) mounted on the base (1), a piston disc fixed with a movable end of the electric push rod (28) is arranged in the feeding cylinder (3), and a heating wire (29) is arranged on the periphery of the feeding cylinder (3);
still install displacement sensor (27) on base (1), displacement sensor (27) with electric putter (28) communication, the feed cylinder (3) keep away from the one end of electric putter (28) through transmission pipeline with drum (4) intercommunication, just still be equipped with openable pan feeding mouth (30) on feed cylinder (3), pan feeding mouth (30) be used for to input the stub bar in feed cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211245192.3A CN115582976A (en) | 2022-10-12 | 2022-10-12 | Injection molding device for producing plastic barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211245192.3A CN115582976A (en) | 2022-10-12 | 2022-10-12 | Injection molding device for producing plastic barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115582976A true CN115582976A (en) | 2023-01-10 |
Family
ID=84779924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211245192.3A Withdrawn CN115582976A (en) | 2022-10-12 | 2022-10-12 | Injection molding device for producing plastic barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115582976A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115782094A (en) * | 2023-01-29 | 2023-03-14 | 汕头市华美塑料模具实业有限公司 | Reverse air-cooling molding injection molding process and daily lunch box molded by adopting injection molding process |
| CN117429011A (en) * | 2023-12-20 | 2024-01-23 | 山东迈宝赫健身器材有限公司 | Automatic stripper is used in processing of plastics cushion |
-
2022
- 2022-10-12 CN CN202211245192.3A patent/CN115582976A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115782094A (en) * | 2023-01-29 | 2023-03-14 | 汕头市华美塑料模具实业有限公司 | Reverse air-cooling molding injection molding process and daily lunch box molded by adopting injection molding process |
| CN117429011A (en) * | 2023-12-20 | 2024-01-23 | 山东迈宝赫健身器材有限公司 | Automatic stripper is used in processing of plastics cushion |
| CN117429011B (en) * | 2023-12-20 | 2024-03-26 | 山东迈宝赫健身器材有限公司 | Automatic stripper is used in processing of plastics cushion |
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Application publication date: 20230110 |