CN211030953U

CN211030953U - Injection molding device for plastic production

Info

Publication number: CN211030953U
Application number: CN201921347736.0U
Authority: CN
Inventors: 袁典银
Original assignee: Hangzhou Fuyang Zehang Precision Machinery Co ltd
Current assignee: Hangzhou Fuyang Zehang Precision Machinery Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-07-17
Anticipated expiration: 2029-08-20

Abstract

The utility model belongs to the technical field of the injection molding machine technique and specifically relates to an injection molding device for plastic production, which comprises a bottom plate, wherein both sides of the top end of the bottom plate are fixedly provided with slide bars, two top ends of the slide bars are fixedly provided with supporting plates, one side of the two supporting plates opposite is fixedly provided with an injection pipe, the middle part of the slide bar is movably sleeved with a movable mold, the top of the slide bar is movably provided with a fixed mold at the top of the movable mold, plastic particles are transported to the position of a heating pipe by a motor driving screw rod to be melted, the melted plastic liquid is injected into the movable mold through the pressurization treatment of the injection pipe, the melted plastic can be molded according to the shape inside the mold through the extrusion of the two molds, then the time for plastic molding can be shortened by introducing cold water into a cooling hole, and the molded plastic product can be conveniently driven by the motor to be discharged from the mold, the problem that the device is inconvenient to take out is solved.

Description

Injection molding device for plastic production

Technical Field

The utility model relates to an injection molding machine technical field especially relates to an injection moulding device is used in plastics production.

Background

An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding device for manufacturing thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold, and is divided into a vertical type, a horizontal type and an all-electric type, wherein the injection molding machine can heat the plastics, apply high pressure to the molten plastics to inject the plastics to fill a mold cavity, and can mold the plastics in the mold after the mold is cooled for a period of time.

The existing injection molding machine has long use time in the plastic molding process, and after the injection molding process is finished, the plastic molded in the mold is inconvenient to take out, which causes great difficulty to operators, so that the injection molding device for plastic production is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing an injection molding device for plastic production, which can be rapidly molded and conveniently taken out.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an injection molding device for plastic production is designed, comprising a bottom plate, wherein slide rods are fixedly arranged on both sides of the top end of the bottom plate, support plates are fixedly arranged on the top ends of the two slide rods, an injection pipe is fixedly arranged on one opposite side of the two support plates, a movable mold is movably sleeved on the middle part of each slide rod, a fixed mold is movably arranged at the top part of each slide rod and positioned at the top part of the corresponding movable mold, the middle part of the fixed mold is vertically provided with an injection hole communicated with the injection pipe, the middle parts of both sides of the movable mold are fixedly provided with threaded sleeves, the middle part of the top end of the movable mold is provided with an extrusion groove, a demolding device is fixedly arranged at the bottom end of the movable mold, cooling holes are annularly arranged in the movable mold and positioned at the outer side of the extrusion groove, first motors are fixedly arranged on both sides of the top end of the bottom plate, the utility model discloses a spray tube, including injection pipe, fixed cover and fixed support, the inside activity interlude of injection pipe has the screw rod, the equal fixed mounting in top of injection pipe both sides has the snap ring, the top fixed mounting of injection pipe has the supporting seat, the top fixed mounting of supporting seat has the second motor, the output shaft of second motor passes the middle part and the fixed mounting of supporting seat downwards has the dwang, the bottom of dwang and the top fixed connection of screw rod, the fixed intercommunication in middle part on injection pipe right side has the conveying tank, the fixed cover in bottom of injection.

Preferably, shedder includes the left third motor of fixed mounting in movable mould bottom, the output shaft fixed mounting of third motor has the transfer line, the one end movable sleeve that the third motor was kept away from to the transfer line is equipped with the fixed cover of fixed mounting in movable mould bottom, the mounting groove that is linked together with the extrusion groove is all seted up to the both sides of movable mould bottom, two the equal activity of inside of mounting groove alternates there is the push rod, the top fixed mounting of push rod has demoulding piece, the outside movable sleeve of push rod is equipped with first spring, the equal fixed mounting in the left and right sides of transfer line has two cams corresponding with two push rods.

Preferably, the buffer slots are formed in the two sides of the top end of the fixed die, the buffer rods connected with the supporting plate are movably inserted into the buffer slots, and second springs are fixedly mounted in the buffer slots and located at the bottom ends of the buffer rods.

Preferably, the bottom end of the injection pipe is fixedly provided with a check valve, and the check valve is communicated with the injection hole.

Preferably, the back of the movable mould is fixedly provided with a water pump communicated with the cooling hole, and the back of the movable mould is fixedly provided with a circulating water tank communicated with the cooling hole and the water pump.

The utility model provides an injection moulding device is used in plastics production, beneficial effect lies in: the motor drives the screw rod to transport plastic particles to the position of the heating pipe to melt the plastic particles, the melted plastic liquid is injected into the movable die through pressurization treatment of the injection pipe, the melted plastic can be shaped according to the shape inside the die through extrusion of the two dies, then the time for plastic forming can be shortened by introducing cold water into the cooling hole, and the motor can drive the push rod to conveniently push out the formed plastic product from the die, so that the problem that the plastic product is inconvenient to take out is solved.

Drawings

FIG. 1 is a schematic structural view of an injection molding apparatus for plastic production according to the present invention;

fig. 2 is an enlarged schematic structural view of a position a in fig. 1 of the injection molding device for plastic production according to the present invention;

fig. 3 is an enlarged schematic structural view of a position B in fig. 1 of the injection molding apparatus for plastic production according to the present invention.

In the figure: the device comprises a bottom plate 1, a sliding rod 2, a supporting plate 3, an injection pipe 4, a movable die 5, a fixed die 6, a buffer groove 601, a buffer rod 602, a second spring 603, a threaded sleeve 7, an extrusion groove 8, a demoulding device 9, a third motor 901, a transmission rod 902, a fixed sleeve 903, a mounting groove 904, a push rod 905, a demoulding block 906, a first spring 907, a cam 908, a cooling hole 10, a first motor 11, a threaded rod 12, a screw 13, a clamping ring 14, a supporting seat 15, a second motor 16, a rotating rod 17, a material conveying box 18 and a heating pipe 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an injection molding device for plastic production comprises a bottom plate 1, slide bars 2 are fixedly installed on both sides of the top end of the bottom plate 1, support plates 3 are fixedly installed on the top ends of the two slide bars 2, an injection pipe 4 is fixedly installed on one side opposite to the two support plates 3, a check valve is fixedly installed at the bottom end of the injection pipe 4 and communicated with an injection hole, the injection pipe 4 can inject molten plastic liquid at the bottom end thereof into a mold, a movable mold 5 is movably sleeved in the middle of the slide bar 2, a fixed mold 6 is movably installed at the top of the slide bar 2 and at the top of the movable mold 5, the movable mold 5 can be combined with the fixed mold 6 and separated from the fixed mold 6 after plastic molding so as to conveniently take out the molded plastic, buffer grooves 601 are respectively formed on both sides of the top end of the fixed mold 6, buffer rods 602 connected with the support plates 3 are movably inserted in the two buffer grooves 601, inside and the bottom fixed mounting who is located buffer beam 602 of buffer slot 601 has second spring 603, and buffer beam 602 can be dragged fixed mould 6 in the inside of buffer slot 601, prevents it and drops to can be a buffering to the power of its striking when activity mould 5 upwards combines together with fixed mould 6, prevent the damage because of the striking causes effectively.

The middle part of a fixed die 6 is vertically provided with an injection hole communicated with an injection pipe 4, the middle parts of two sides of a movable die 5 are fixedly provided with a threaded sleeve 7, the middle part of the top end of the movable die 5 is provided with an extrusion groove 8, the bottom end of the movable die 5 is fixedly provided with a demoulding device 9, the demoulding device 9 comprises a third motor 901 fixedly arranged on the left side of the bottom end of the movable die 5, an output shaft of the third motor 901 is fixedly provided with a transmission rod 902, one end of the transmission rod 902 far away from the third motor 901 is movably sleeved with a fixed sleeve 903 fixedly arranged at the bottom end of the movable die 5, two sides of the bottom of the movable die 5 are both provided with mounting grooves 904 communicated with the extrusion groove 8, push rods 905 are movably inserted in the two mounting grooves 904, the top ends of the push rods 905 are fixedly provided with a demoulding block 906, the outer side of each push rod 905 is movably, the demolding device 9 can push out the plastic molded in the movable mold 5 from the inside, and the two push rods 905 can drive the two demolding modules 906 to separate the molded plastic from the movable mold 5 through the rotation of the third motor 901, so that a worker can take the product more conveniently, and the production efficiency is effectively improved.

A cooling hole 10 is arranged in the movable die 5 and positioned outside the extrusion groove 8 in a surrounding manner, a water pump communicated with the cooling hole 10 is fixedly arranged at the back of the movable die 5, a circulating water tank communicated with the cooling hole 10 and the water pump is fixedly arranged at the back of the movable die 5, first motors 11 are fixedly arranged at two sides of the top end of the bottom plate 1, threaded rods 12 sleeved in the threaded sleeves 7 are fixedly arranged on output shafts of the two first motors 11, screw rods 13 are movably inserted in the injection pipes 4, snap rings 14 are fixedly arranged at the tops of two sides of the injection pipes 4, a supporting seat 15 is fixedly arranged at the top end of the injection pipe 4, a second motor 16 is fixedly arranged at the top end of the supporting seat 15, an output shaft of the second motor 16 downwards penetrates through the middle part of the supporting seat 15 and is fixedly provided with a rotating rod 17, the bottom end of the rotating rod 17 is fixedly connected with the top ends of the screw rods, the bottom of the injection pipe 4 is fixedly sleeved with a heating pipe 19, the screw 13 can rotate in the injection pipe 4 through the rotation of the second motor 16, and the rotating screw 13 brings plastic particles into the heating pipe 19 to be melted, so that the injection pipe 4 can conveniently send the plastic particles into a mold.

The working principle is as follows: pouring plastic particles from a material conveying box 18, starting a second motor 16 to rotate, driving a rotating rod 17 to rotate by the second motor 16, so that a screw 13 rotates in an injection pipe 4, along with the rotation of the screw 13, grooves on the surface of the screw 3 wrap the plastic particles and move towards the lower part of the injection pipe 4, when the plastic particles reach the bottom of the injection pipe 4 sleeved with a heating sleeve 19, the plastic particles are gradually melted by the high-temperature heating sleeve 19, then simultaneously starting two first motors 11 to rotate, driving two threaded rods 12 to rotate respectively by the two first motors 11, pushing the movable mold 5 upwards by the two rotating threaded rods 12, enabling the movable mold 5 to be completely attached to the bottom of a fixed mold 6, then enabling the injection pipe 4 to spray the plastic liquid in a molten state at the bottom end of the injection pipe into an extrusion groove 8 through an injection hole, and when the whole mold cavity is filled with the plastic liquid in a molten state in the extrusion groove 8, the second motor 16 stops rotating, the water pump is started to introduce cold water into the cooling hole 10 to rapidly shape the plastic liquid in a molten state in the movable mold 5, the water pump pumps the cold water in the circulating water tank to input into the cooling hole 10, the water in the cooling hole 10 flows into the circulating water tank to continue circulating, the plastic is gradually shaped along with the continuous introduction of the cold water into the movable mold 5, the first motor 11 is started to reversely rotate after the plastic is shaped, the movable mold 5 is separated from the fixed mold 6 by the reversely rotating threaded rod, the first motor 11 stops rotating when the movable mold 5 descends to a certain height, then the third motor 901 is started, the third motor 901 drives the transmission rod 902 to rotate ninety degrees and then stops rotating, two cams 908 arranged on the rotation rod 902 respectively push up two push rods 905 simultaneously, then the push rods jack up the stripping block 906, so that the two stripping blocks 906 jacked up by the push rods 905 push up the formed plastic product out of the movable mold 5, completing the cycle of one-time plastic production.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an injection moulding device for plastic production, includes bottom plate (1), its characterized in that, the equal fixed mounting in both sides on bottom plate (1) top has slide bar (2), two the equal fixed mounting in top of slide bar (2) has backup pad (3), two one side fixed mounting that backup pad (3) are relative has injection pipe (4), the middle part movable sleeve of slide bar (2) is equipped with movable mould (5), the top of slide bar (2) just is located the top movable mounting of movable mould (5) has fixed mould (6), the vertical jet orifice of being linked together with injection pipe (4) of seting up in middle part of fixed mould (6), the equal fixed mounting in middle part of movable mould (5) both sides has thread bush (7), extrusion groove (8) have been seted up in the middle part of movable mould (5) top, the bottom fixed mounting of movable mould (5) has shedder (9), the cooling hole (10) is formed in the movable die (5) in a surrounding mode and located on the outer side of the extrusion groove (8), the first motor (11) is fixedly mounted on the two sides of the top end of the bottom plate (1), the threaded rod (12) sleeved inside the threaded sleeve (7) is fixedly mounted on the output shaft of the first motor (11), the screw rod (13) is movably inserted inside the injection pipe (4), the snap ring (14) is fixedly mounted on the tops of the two sides of the injection pipe (4), the supporting seat (15) is fixedly mounted on the top end of the injection pipe (4), the second motor (16) is fixedly mounted on the top end of the supporting seat (15), the output shaft of the second motor (16) downwards penetrates through the middle of the supporting seat (15) and is fixedly mounted with the rotating rod (17), and the bottom end of the rotating rod (17) is fixedly connected with the top end of the screw rod, the middle part of the right side of the injection pipe (4) is fixedly communicated with a material conveying box (18), and the bottom of the injection pipe (4) is fixedly sleeved with a heating pipe (19).

2. An injection molding apparatus for plastic production according to claim 1, wherein the demolding device (9) includes a third motor (901) fixedly installed at the left side of the bottom end of the movable mold (5), an output shaft of the third motor (901) is fixedly provided with a transmission rod (902), one end of the transmission rod (902) far away from the third motor (901) is movably sleeved with a fixed sleeve (903) fixedly arranged at the bottom end of the movable die (5), two sides of the bottom of the movable mould (5) are respectively provided with an installation groove (904) communicated with the extrusion groove (8), push rods (905) are movably inserted into the two installation grooves (904), a stripping module (906) is fixedly arranged at the top end of the push rod (905), a first spring (907) is movably sleeved on the outer side of the push rod (905), two cams (908) corresponding to the two push rods (905) are fixedly arranged on the left side and the right side of the transmission rod (902).

3. The injection molding device for plastic production according to claim 1, wherein buffer grooves (601) are formed in both sides of the top end of the fixed mold (6), buffer rods (602) connected with the support plate (3) are movably inserted into both of the buffer grooves (601), and second springs (603) are fixedly mounted in the buffer grooves (601) and located at the bottom ends of the buffer rods (602).

4. An injection molding apparatus for plastic production as claimed in claim 1, wherein a check valve is fixedly installed at a bottom end of the injection pipe (4), and the check valve is communicated with the injection hole.

5. An injection molding device for plastic production according to claim 1, wherein a water pump communicated with the cooling hole (10) is fixedly installed at the back of the movable mold (5), and a circulating water tank communicated with both the cooling hole (10) and the water pump is fixedly installed at the back of the movable mold (5).