CN114523636A

CN114523636A - Injection moulding equipment of plastic flowerpot

Info

Publication number: CN114523636A
Application number: CN202210114831.6A
Authority: CN
Inventors: 潘红霞
Original assignee: Jiangsu Lide Household Gardening Products Co ltd
Current assignee: Jiangsu Lide Household Gardening Products Co ltd
Priority date: 2022-01-30
Filing date: 2022-01-30
Publication date: 2022-05-24
Anticipated expiration: 2042-01-30
Also published as: CN114523636B

Abstract

The invention relates to the technical field of injection molding equipment, in particular to injection molding equipment for a plastic flowerpot. The injection molding equipment for the plastic flowerpot comprises a base and an injection molding machine, wherein the injection molding machine is arranged on the base and consists of a die assembly mechanism, a hydraulic mechanism, an injection mechanism, an electrical control mechanism and a jacking mechanism. The mould closing mechanism comprises a first mould core and a second mould core assembled with the first mould core to form a mould cavity between the first mould core and the second mould core. The hydraulic mechanism is arranged on the base and used for driving the first die core to approach the second die core. The feeding and melting mechanism is used for melting the high molecular raw materials into a liquid phase. The injection mechanism injects the high molecular raw material into the mold cavity under the action of the electric control mechanism. The hydraulic mechanism comprises a hydraulic rod, and the jacking mechanism is used for preventing the high polymer raw material leakage caused by poor sealing of the die clamping mechanism in the die locking process.

Description

Injection moulding equipment of plastic flowerpot

Technical Field

The invention relates to the technical field of injection molding equipment, in particular to injection molding equipment for a plastic flowerpot.

Background

Injection molding machines are also known as injection molding machines or injection molding machines. The injection molding machine can heat high molecular raw materials, apply high pressure to the molten plastic, enable the molten high molecular raw materials to be injected and filled in a mold cavity of the mold, and form a flowerpot after the high molecular raw materials are cooled and molded when the mold cavity is in a flowerpot shape. The injection molding machine has the capability of molding plastic products with complex shapes, precise sizes or dense textures with metal inserts in one step, and is widely applied to various fields of national defense, electromechanics, automobiles, transportation, building materials, packaging and daily life of people.

The mold clamping mechanism of the existing injection molding machine is generally divided into a movable mold and a static mold, so that the mold clamping force is provided through hydraulic transmission, but in the mold clamping process, due to the characteristics of vibration of equipment and poor rigidity of hydraulic transmission, macromolecular raw materials are easy to generate and leak, the macromolecular raw materials are wasted, the product percent of pass is low, and the subsequent treatment cost is increased.

Disclosure of Invention

The invention provides injection molding equipment for a plastic flowerpot, which aims to solve the problem that high polymer raw materials are easy to leak in the mould locking process of the existing injection molding equipment.

The injection molding equipment for the plastic flowerpot adopts the following technical scheme:

an injection molding device of a plastic flowerpot comprises a base and an injection molding machine; the injection molding machine is arranged on the base and consists of a die assembly mechanism, a hydraulic mechanism, a feeding and melting mechanism, an injection mechanism, an electrical control mechanism and a jacking mechanism; the die closing mechanism comprises a first die core and a second die core assembled with the first die core to form a die cavity between the first die core and the second die core; the hydraulic mechanism is arranged on the base and used for driving the first die core to approach the second die core; the feeding melting mechanism is used for melting the high molecular raw materials into a liquid phase; the injection mechanism injects the high molecular raw material into the mold cavity under the action of the electric control mechanism.

The hydraulic mechanism comprises a hydraulic rod, and the jacking mechanism comprises a first template, a second template and a jacking assembly; the first template is connected to the end part of the hydraulic rod through an elastic piece, and the first mold core is arranged on the first template; the second template is slidably arranged on the base along the axial direction of the hydraulic rod, and the second die core is arranged on the second template; the jacking assembly is used for converting the partial extension of the hydraulic rod into the movement of the second template towards the first template.

Furthermore, the jacking assembly comprises a vertical rod, a transmission piece and a limiting piece; the vertical rod is vertically arranged and can slide along a first direction in an initial state; the limiting piece is used for promoting the vertical rod to be fixed with the first template when the hydraulic rod drives the first template to be in contact with the second template and then extend to a preset position, and the limiting piece drives the vertical rod and the second template to be close to each other after the first template is in contact with the second template and before the vertical rod is fixed with the first template; the transmission part comprises a chute, a horizontal rod and an inclined rod; the chute is arranged on the side wall of the second template and extends from the lower end of the chute upwards to one side close to the first template to the upper end of the chute; the horizontal rod is horizontally arranged, and the first end part of the horizontal rod is slidably arranged on the vertical rod along the vertical direction; the first end part of the inclined rod is rotatably arranged on the base, the second end part of the inclined rod is rotatably connected with the second end part of the cross rod, a sliding column is arranged at the rotating connection position, and the sliding column is inserted into the chute; the included angle between the inclined rod and the horizontal plane is larger than that between the inclined groove and the vertical plane in the initial state, and the included angle between the inclined rod and the horizontal plane is equal to that between the inclined groove and the vertical plane when the vertical rod is fixed with the first template.

Furthermore, the limiting part comprises a friction opening, a vertical rod frame, two flat pressure rods, a top pressure plate and a connecting module. The friction port is arranged on the side wall of the first template, and the upper and lower cliff ports of the friction port are provided with friction surfaces; the vertical rod frame is fixedly arranged on the base and is positioned on one side, close to the second template, of the first module, and a vertical sliding groove is formed in the vertical rod frame; the two flat pressure rods are arranged at intervals from top to bottom, each flat pressure rod is horizontally arranged and can be connected to the vertical rod frame in a sliding mode along the vertical sliding groove, and the distance between the sides, far away from each other, of the two flat pressure rods in the initial state is smaller than the distance between the upper cliff opening and the lower cliff opening of the friction opening; the top pressure plate is arranged at the end part of the hydraulic rod, is used for being inserted between the two flat pressure rods, and is configured to separate the two flat pressure rods from each other firstly when being in contact with the two flat pressure rods and then keep the two flat pressure rods unchanged; the vertical rod is provided with a vertically arranged lower sliding groove, the second module is provided with a horizontally arranged positioning plate, and the positioning plate is provided with a horizontal sliding groove; the connecting module comprises four hinge rods which are connected end to end in a rotating mode through hinge shafts, and the four hinge shafts are two first hinge shafts correspondingly arranged in the vertical direction and two second hinge shafts correspondingly arranged in the horizontal direction respectively; the two first hinged shafts are positioned in the lower sliding chute, the two first hinged shafts are respectively arranged on one sides of the two flat pressing rods, which are far away from each other, and each first hinged shaft synchronously moves up and down along with the corresponding flat pressing rod; one second hinged shaft is fixedly arranged on the second template, the other second hinged shaft is arranged in a sliding manner along the horizontal sliding chute, and a return spring is arranged between the two second hinged shafts; and the first articulated shaft is fixedly sleeved with a friction wheel which is used for being in friction fit with the upper and lower cliff mouths of the friction mouth when the distance between the two flat pressure rods is unchanged.

Furthermore, the top pressure plate is provided with a first end part facing the vertical rod frame and a second end part far away from the vertical rod frame, the second end part of the top pressure plate is provided with two horizontal planes which are parallel up and down, and the top pressure plate is provided with a conical surface which gradually expands from the first end part to the second end part and is connected with the horizontal plane, so that the two flat pressure rods are gradually separated from the conical surface of the top pressure plate when contacting with the conical surface of the top pressure plate, and the distance between the two flat pressure rods is kept unchanged until the flat pressure rods contact with the horizontal plane of the top pressure plate.

Furthermore, a first fixing plate is mounted on the base, a first positioning hole is formed in the first fixing plate, the axis of the first positioning hole extends along the first direction, the hydraulic mechanism is mounted on the first fixing plate, and a through hole allowing a hydraulic rod to pass through is further formed in the first fixing plate; the injection molding equipment of the plastic flowerpot further comprises a first depth shaft and a supporting block, wherein the first depth shaft penetrates through the first positioning hole and is arranged in a sliding manner along a first direction; the supporting block is installed at one end, facing the first template, of the first depth shaft, and the second end portion of the jacking plate is fixedly installed on the supporting block through the connecting plate.

Furthermore, a second fixing plate is further mounted on the base, a second positioning hole is formed in the second fixing plate, the axis of the second positioning hole extends along the first direction, a second depth shaft is mounted on the second template, and the second depth shaft is slidably inserted into the second positioning hole along the first direction.

Further, the injection molding equipment of plastics flowerpot still includes the pivot, and the axis perpendicular to first direction of pivot, the pivot is rotationally installed in the second fixed plate around self axis, the first end and the pivot fixed connection of down tube.

Furthermore, the two jacking components are respectively arranged on two sides of the die clamping mechanism.

Furthermore, an injection port is installed at one end, far away from the second template, of the second depth shaft, one end of the injection port is connected with the mold cavity, and the other end of the injection port is connected with an injection pipeline of the injection mechanism.

Furthermore, the mould closing mechanism is a plurality of, and the first mould benevolence of every mould closing mechanism all sets up on first template, and the second mould benevolence of every mould closing mechanism all sets up on first template.

The invention has the beneficial effects that: according to the injection molding equipment for the plastic flowerpot, the first mould core moves towards one side close to the second mould core by arranging the hydraulic mechanism, and the high polymer raw material is melted into a liquid phase by arranging the feeding melting mechanism. The injection mechanism is arranged to inject the high molecular raw material into the mold cavity under the action of the electric control mechanism, so that the liquid-phase high molecular raw material is cooled to form a flowerpot-shaped plastic. Through setting up roof pressure mechanism for the mould clamping mechanism makes first template and second template fixed connection when the in-process first template of mode locking and second template contact back hydraulic pressure mechanism's hydraulic stem continue to extend, thereby avoided because the machine vibrations, the hydraulic stem rigidity change and lead to the problem that the merciful and peaceful second mould benevolence of mode locking in-process is not laminated, avoid macromolecular raw materials to reveal and extravagant material, need not subsequent finishing work, material resources are saved, improve the product percent of pass.

Furthermore, the injection molding equipment for the plastic flowerpot provided by the invention is provided with the connecting spring return spring and the limiting piece, so that automatic mould locking and mould releasing can be ensured, the operation is simple, and the working efficiency for manufacturing the plastic flowerpot is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a schematic structural view of a hydraulic mechanism, a die clamping mechanism and a pressing mechanism in an injection molding apparatus for a plastic flowerpot according to an embodiment of the present invention;

FIG. 3 is an exploded view of FIG. 2;

fig. 4 is a schematic structural view illustrating a base of an injection molding apparatus for a plastic flowerpot according to an embodiment of the present invention;

fig. 5 is a schematic structural view illustrating a second mold plate and a second depth shaft in the injection molding apparatus for a plastic flowerpot according to an embodiment of the present invention;

fig. 6 is a schematic structural view illustrating a connection module in an injection molding apparatus for a plastic flowerpot according to an embodiment of the present invention;

fig. 7 is a partial structural view illustrating a pressing member of an injection molding apparatus for plastic flowerpots according to an embodiment of the present invention;

fig. 8 is a schematic view illustrating an initial state of an injection molding apparatus for a plastic flowerpot according to an embodiment of the present invention;

fig. 9 is a schematic view illustrating a state in which a first mold plate and a second mold plate of an injection molding apparatus for a plastic flowerpot according to an embodiment of the present invention are just in contact with each other;

fig. 10 is a schematic view illustrating a state after completion of mold clamping of an injection molding apparatus for a plastic flowerpot according to an embodiment of the present invention.

In the figure: 100. a feed melting mechanism; 200. an injection mechanism; 300. a mold clamping mechanism; 310. a second template; 311. a second depth shaft; 312. an injection port; 313. a chute; 314. a horizontal chute; 315. turning the column; 320. a first template; 321. rubbing the opening; 330. a connecting module; 331. a first hinge shaft; 332. a second hinge shaft; 333. a friction wheel; 335. a hinged lever; 336. a return spring; 340. a jacking component; 341. a vertical rod; 342. a horizontal bar; 343. a diagonal bar; 344. a traveler; 345. an upper chute; 346. a lower chute; 400. a hydraulic mechanism; 410. a hydraulic lever; 420. a first depth shaft; 430. a top pressing plate; 440. a support block; 450. a connecting spring; 500. an electrical control mechanism; 600. a base; 610. a vertical rod frame; 611. a vertical chute; 612. a flat compression bar; 620. a first positioning hole; 630. a second positioning hole; 640. a rotating shaft; 650. a first fixing plate; 660. and a second fixing plate.

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.

As shown in fig. 1 to 7, an embodiment of an injection molding apparatus for a plastic flowerpot according to the present invention includes a base 600 and an injection molding machine. The injection molding machine is arranged on the base 600 and consists of a mold clamping mechanism 300, a hydraulic mechanism 400, a feeding and melting mechanism 100, an injection mechanism 200, an electrical control mechanism 500 and a jacking mechanism. The mold clamping mechanism 300 includes a first mold core and a second mold core assembled with the first mold core to form a mold cavity therebetween, and specifically, the mold cavity is flowerpot-shaped. The hydraulic mechanism 400 is disposed on the base 600 and is used for driving the first mold core to approach the second mold core. The feeding and melting mechanism 100 is used for melting the polymer raw material into a liquid phase, the injection mechanism 200 injects the melted polymer raw material into the mold cavity under the action of the electric control mechanism 500, the injection is stopped after the mold cavity is filled with the polymer raw material, the hydraulic mechanism 400 drives the first mold core and the second mold core to separate after the polymer raw material in the mold cavity is cooled, and the molded plastic flowerpot is taken out.

The hydraulic mechanism 400 includes a hydraulic rod 410, as shown in fig. 2, the hydraulic rod 410 extends in the left-right direction, and the pressing mechanism includes a first die plate 320, a second die plate 310, and a pressing member 340. The first mold plate 320 is connected to the end of the hydraulic rod 410 by a connecting spring 450, and the first mold core is disposed on the first mold plate 320. The second mold plate 310 is slidably installed on the base 600 along the axial direction of the hydraulic rod 410, and the second mold core is disposed on the second mold plate 310. The jacking assembly 340 is used for converting the partial extension of the hydraulic rod 410 into the movement of the second mold plate 310 towards the first mold plate 320, so that the problem that the first mold core and the second mold core are not tightly sealed in the mold locking process due to the vibration of the equipment or poor rigidity of hydraulic transmission when the position of the first mold plate 320 is affected is solved, and the leakage of high molecular raw materials is avoided.

In one embodiment, the pressing assembly 340 includes a vertical rod 341, a transmission member and a limiting member. The vertical rod 341 is vertically disposed, and is slidably disposed on the base 600 in the left-right direction in an initial state. The limiting member is used for driving the vertical rod 341 to be fixed with the first template 320 when the hydraulic rod 410 drives the first template 320 to contact with the second template 310 and then extend to a preset position, and the limiting member drives the vertical rod 341 to move towards one side close to the second template 310 after the first template 320 contacts with the second template 310 and before the vertical rod 341 is fixed with the first template 320. The transmission member comprises a chute 313, a horizontal rod 342 and a diagonal rod 343. The inclined groove 313 is provided at a side wall of the second mold plate 310 to extend from a side close to the first mold plate 320 upward from a lower end thereof to an upper end thereof. The vertical rod 341 is provided with an upper chute 345, the upper chute 345 is vertically arranged, the horizontal rod 342 is horizontally arranged, and the first end of the horizontal rod 342 is slidably inserted into the upper chute 345 along the up-down direction. A first end of the inclined rod 343 is rotatably mounted on the base 600, a second end of the inclined rod 343 is rotatably connected to a second end of the cross rod, a sliding column 344 is mounted at the rotary connection, and the sliding column 344 is inserted into the inclined groove 313 and slidably disposed along the inclined groove 313. In an initial state, an included angle between the inclined rod 343 and the horizontal plane is larger than an included angle between the inclined groove 313 and the vertical plane, and when the vertical rod 341 is fixed to the first template 320, the included angle between the inclined rod 343 and the horizontal plane is equal to the included angle between the inclined groove 313 and the vertical plane.

When the first die plate 320 and the second die plate 310 are in contact, the hydraulic rod 410 continues to extend, since the length of the horizontal rod 342 is not changed, when the first hinge shaft on the right side drives the second form 310 to move left, the horizontal rod 342 slides down along the vertical rod 341, when the horizontal rod 342 slides down, the second end of the inclined rod 343 is driven to move down by the sliding column 344, since the length of the inclined rod 343 is constant and the position of the first end of the inclined rod 343 is constant, the second end of the inclined rod 343 moves in an arc shape, since the second mold plate 310 does not move up and down, the second end of the slant bar 343 pushes the second mold plate 310 leftward when moving down, and the second mold plate 310 presses the first mold plate 320 leftward when moving leftward until the vertical bar 341 is fixed to the first mold plate 320, and at this time, the first mold plate 320 and the second mold plate 310 are relatively fixed to prevent the first mold core and the second mold core from being separated from each other to cause leakage of the polymer material.

In one embodiment, the limiting member comprises a friction opening 321, a vertical rod support 610, two flat pressing rods 612, a top pressing plate 430 and a connecting module 330. The friction openings 321 are formed in the sidewall of the first form 320, and the upper and lower shoulder openings of the friction openings 321 have friction surfaces. The vertical rod frame 610 is fixedly installed on the base 600 and is located at one side of the first module, which is close to the second template 310, and a vertical sliding groove 611 is formed in the vertical rod frame 610. The two flat pressing rods 612 are arranged at intervals up and down, each flat pressing rod 612 is horizontally arranged and is connected to the vertical rod frame 610 in a sliding mode along the vertical sliding groove 611, specifically, each flat pressing rod 612 is connected to the groove wall of the vertical sliding groove 611 in the vertical direction through a spring, and the distance between the sides, far away from each other, of the two flat pressing rods 612 in the initial state is smaller than the distance between the upper and lower shoulder edges of the friction opening 321. The top pressure plate 430 is installed at an end of the hydraulic rod 410, is inserted between the two flat pressure rods 612, and is configured to separate the two flat pressure rods 612 from each other and then remain unchanged when being in contact with the two flat pressure rods 612. The vertical rod 341 is provided with a vertically arranged lower chute 346, the second module is provided with a horizontally arranged positioning plate, and the positioning plate is provided with a horizontal chute 314. The connecting module 330 includes four hinge rods 335 connected end to end sequentially through hinge shafts, and the four hinge shafts are two first hinge shafts 331 correspondingly arranged in the vertical direction and two second hinge shafts 332 correspondingly arranged in the left-right direction. The two first hinge shafts 331 are disposed in the lower sliding groove 346, and the two first hinge shafts 331 are respectively disposed at the sides of the two flat pressing rods 612, which are far away from each other. The second hinge shaft 332 on the right side is fixedly installed on the second mold plate 310, the second hinge shaft 332 on the left side is slidably disposed along the horizontal sliding slot 314, and a return spring 336 is disposed between the two second hinge shafts 332, specifically, the return spring 336 is disposed in the horizontal sliding slot 314. The first hinge shaft 331 is fixedly sleeved with a friction wheel 333, which is used for friction fit with the upper and lower shoulder mouths of the friction mouth 321 when the distance between the two flat pressure levers 612 is not changed, so that the vertical lever 341 is fixed with the first template 320.

In one embodiment, the top pressure plate 430 has a first end portion facing the vertical rod frame 610 and a second end portion far away from the vertical rod frame 610, the second end portion of the top pressure plate 430 has two horizontal surfaces which are parallel up and down, and the top pressure plate 430 is provided with a tapered surface which gradually expands from the first end portion to the second end portion and is connected with the horizontal surfaces, so that the two flat pressure rods 612 are gradually separated when contacting the tapered surface of the top pressure plate 430, and the distance between the two flat pressure rods 612 is kept unchanged until the flat pressure rods 612 contact with the horizontal surface of the top pressure plate 430.

In one embodiment, the base 600 is provided with a first fixing plate 650, the first fixing plate 650 is provided with a first positioning hole 620, an axis of the first positioning hole 620 extends in the left and right directions, the hydraulic mechanism 400 is mounted on the first fixing plate 650, and the first fixing plate 650 is further provided with a through hole for allowing the hydraulic rod 410 to pass therethrough. The injection molding apparatus of the plastic flowerpot further includes a first depth shaft 420 and a supporting block 440. The first depth shaft 420 penetrates the first positioning hole 620 and is slidably disposed along the left and right; a supporting block 440 is installed at an end of the first depth shaft 420 facing the first form 320, and a second end of the pressing plate 430 is fixedly installed at the supporting block 440 by a connecting plate to drive the pressing plate 430 to move synchronously when the hydraulic rod 410 is extended or shortened.

In one embodiment, the base 600 further has a second fixing plate 660, the second fixing plate 660 is provided with a second positioning hole 630, an axis of the second positioning hole 630 extends in the left-right direction, the second template 310 has a second depth shaft 311, and the second depth shaft 311 is slidably inserted into the second positioning hole 630 in the left-right direction, so as to prevent the second template 310 from being separated from the second fixing plate 660.

In one embodiment, the injection molding apparatus for plastic flowerpots further comprises a rotating shaft 640, an axis of the rotating shaft 640 extends in a front-to-rear direction, the rotating shaft 640 is rotatably mounted to the second fixing plate 660 around its axis, and a first end of the inclined rod 343 is fixedly connected to the rotating shaft 640 so as to facilitate rotation of a second end of the inclined rod 343 around the first end.

In one embodiment, two pressing members 340 are provided at two sides of the mold clamping mechanism 300, respectively, to increase the stability of the injection molding apparatus for plastic flowerpots.

In one embodiment, an injection port 312 is installed at an end of the second depth axis 311 away from the second mold plate 310, one end of the injection port 312 is connected to the mold cavity, and the other end is connected to an injection pipeline of the injection mechanism 200, so that the injection mechanism 200 injects the melted polymer into the mold cavity away from the injection port 312.

In one embodiment, the mold clamping mechanism 300 is provided in plurality, a first mold core of each mold clamping mechanism 300 is disposed on the first mold plate 320, and a second mold core of each mold clamping mechanism 300 is disposed on the first mold plate 320, so as to improve the molding efficiency.

In an initial state, as shown in fig. 8, when the hydraulic mechanism 400 is activated to extend the hydraulic rod 410 to the right, the supporting block 440 pushes the first depth shaft 420 to the right under the pushing action of the hydraulic rod 410, and pushes the first form 320 to the right through the connecting spring 450 until the first form 320 contacts the second form 310 (as shown in fig. 9). When the hydraulic rod 410 continues to extend, the first depth shaft 420 continues to move rightward, so that the top pressing plate 430 is inserted between the two flat pressing rods 612, the two flat pressing rods 612 are gradually separated under the action of the conical surface of the top pressing plate 430, and the two top pressing plates 430 drive the two first hinging shafts 331 to be away from each other. When the two first hinge shafts 331 are spaced apart from each other, the two second hinge shafts 332 are urged to approach each other, so that the second end of the tilting lever 343 is rotated downward about the first end thereof, the tilting lever 343 pushes the second form 310 leftward when rotated downward, and the second form 310 abuts against the first form 320 when moved leftward.

When the two flat pressing rods 612 slide to be in contact with the plane of the top pressing plate 430, the distance between the two flat pressing rods 612 is kept unchanged, and at the moment, the upper friction wheel 333 and the lower friction wheel 333 are respectively in contact with the upper cliff opening and the lower cliff opening of the friction opening 321, so that the relative position of the vertical rod 341 and the first template 320 in the horizontal direction is not changed, namely the first template 320 and the second template 310 are relatively fixed, and no matter the relative position of the first template 320 and the second template 310 moving leftwards or rightwards is not changed, no gap is generated between the first template and the second mold core. At this time, the angle between the inclined bar 343 and the horizontal plane is the same as the angle between the inclined groove 313 and the vertical plane. When the hydraulic rod 410 is further extended rightward, the coupling spring 450 is compressed (as shown in fig. 10), and the operation of the hydraulic mechanism 400 is stopped until the first depth shaft 420 is pushed into the preset position.

Then, the polymer raw material melted by the feeding melting mechanism 100 is injected into the mold cavity from the injection port 312 through the injection mechanism 200, and after the mold cavity of the polymer raw material is filled, the polymer raw material is shaped and cooled in a mold for manufacturing a flowerpot. After the shaping is completed, the hydraulic mechanism 400 is operated to contract the hydraulic rod 410, the connecting spring 450 is reset, the top pressure plate 430 is gradually separated from the two flat pressure rods 612, the two first articulated shafts 331 drive the two horizontal rods 342 to reset under the action of the reset springs 336 and the reset forces of the connecting spring 450, the upper friction wheel 333 and the lower friction wheel 333 are respectively separated from the shoulder mouth of the friction mouth 321, the vertical rod 341 can move in the horizontal direction relative to the first template 320 until the state shown in fig. 9 is restored, and then the first template 320 is restored to the initial position under the pulling of the connecting spring 450 when the hydraulic rod 410 is continuously contracted. The first mold plate 320 is separated from the second mold plate 310, and the molded flowerpot is released.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an injection moulding equipment of plastics flowerpot which characterized in that: comprises a base and an injection molding machine; the injection molding machine is arranged on the base and consists of a die assembly mechanism, a hydraulic mechanism, a feeding and melting mechanism, an injection mechanism, an electrical control mechanism and a jacking mechanism; the mould closing mechanism comprises a first mould core and a second mould core assembled with the first mould core to form a mould cavity between the first mould core and the second mould core; the hydraulic mechanism is arranged on the base and used for driving the first die core to approach the second die core; the feeding melting mechanism is used for melting the high molecular raw materials into a liquid phase; the injection mechanism injects high molecular raw materials into the mold cavity under the action of the electric control mechanism;

2. An injection molding apparatus for a plastic planter according to claim 1, wherein: the jacking assembly comprises a vertical rod, a transmission part and a limiting part; the vertical rod is vertically arranged and can slide along a first direction in an initial state; the limiting piece is used for promoting the vertical rod to be fixed with the first template when the hydraulic rod drives the first template to be in contact with the second template and then extend to a preset position, and the limiting piece drives the vertical rod and the second template to be close to each other after the first template is in contact with the second template and before the vertical rod is fixed with the first template; the transmission part comprises a chute, a horizontal rod and an inclined rod; the chute is arranged on the side wall of the second template and extends from the lower end of the chute upwards to one side close to the first template to the upper end of the chute; the horizontal rod is horizontally arranged, and the first end part of the horizontal rod is slidably arranged on the vertical rod along the vertical direction; the first end part of the inclined rod is rotatably arranged on the base, the second end part of the inclined rod is rotatably connected with the second end part of the cross rod, a sliding column is arranged at the rotating connection position, and the sliding column is inserted into the chute; the included angle between the inclined rod and the horizontal plane is larger than that between the inclined groove and the vertical plane in the initial state, and when the vertical rod is fixed with the first template, the included angle between the inclined rod and the horizontal plane is equal to that between the inclined groove and the vertical plane.

3. An injection molding apparatus for a plastic flowerpot according to claim 2, wherein: the limiting piece comprises a friction opening, a vertical rod frame, two flat pressure rods, a top pressure plate and a connecting module; the friction port is arranged on the side wall of the first template, and the upper and lower cliff ports of the friction port are provided with friction surfaces; the vertical rod frame is fixedly arranged on the base and is positioned on one side, close to the second template, of the first module, and a vertical sliding groove is formed in the vertical rod frame; the two flat pressure rods are arranged at intervals from top to bottom, each flat pressure rod is horizontally arranged and can be connected to the vertical rod frame in a sliding mode along the vertical sliding groove, and the distance between the sides, far away from each other, of the two flat pressure rods in the initial state is smaller than the distance between the upper cliff opening and the lower cliff opening of the friction opening; the top pressure plate is arranged at the end part of the hydraulic rod, is used for being inserted between the two flat pressure rods, and is configured to separate the two flat pressure rods from each other firstly when being in contact with the two flat pressure rods and then keep the two flat pressure rods unchanged; the vertical rod is provided with a vertically arranged lower sliding groove, the second module is provided with a horizontally arranged positioning plate, and the positioning plate is provided with a horizontal sliding groove; the connecting module comprises four hinge rods which are connected end to end in a rotating mode through hinge shafts, and the four hinge shafts are two first hinge shafts correspondingly arranged in the vertical direction and two second hinge shafts correspondingly arranged in the horizontal direction respectively; the two first hinged shafts are positioned in the lower sliding chute, the two first hinged shafts are respectively arranged on one sides of the two flat pressing rods, which are far away from each other, and each first hinged shaft synchronously moves up and down along with the corresponding flat pressing rod; one second hinged shaft is fixedly arranged on the second template, the other second hinged shaft is arranged in a sliding manner along the horizontal sliding chute, and a return spring is arranged between the two second hinged shafts; and the first articulated shaft is fixedly sleeved with a friction wheel which is used for being in friction fit with the upper and lower cliff mouths of the friction mouth when the distance between the two flat pressure rods is unchanged.

4. An injection molding apparatus for a plastic planter according to claim 3 wherein: the top pressure plate is provided with a first end part facing the vertical rod frame and a second end part far away from the vertical rod frame, the second end part of the top pressure plate is provided with two horizontal planes which are parallel up and down, and the top pressure plate is provided with a conical surface which gradually expands from the first end part to the second end part and is connected with the horizontal plane, so that the two flat pressure rods are gradually separated from the conical surface of the top pressure plate when in contact with each other, and the distance between the two flat pressure rods is kept unchanged until the flat pressure rods are in contact with the horizontal plane of the top pressure plate.

5. An injection molding apparatus for a plastic planter according to claim 2 wherein: the base is provided with a first fixing plate, the first fixing plate is provided with a first positioning hole, the axis of the first positioning hole extends along a first direction, the hydraulic mechanism is arranged on the first fixing plate, and the first fixing plate is further provided with a through hole allowing a hydraulic rod to pass through; the injection molding equipment of the plastic flowerpot further comprises a first depth shaft and a supporting block, wherein the first depth shaft penetrates through the first positioning hole and is arranged in a sliding manner along the first direction; the supporting block is installed at one end, facing the first template, of the first depth shaft, and the second end portion of the jacking plate is fixedly installed on the supporting block through the connecting plate.

6. An injection molding apparatus for a plastic flowerpot according to claim 2, wherein: the base is further provided with a second fixing plate, a second positioning hole is formed in the second fixing plate, the axis of the second positioning hole extends along the first direction, the second template is provided with a second depth shaft, and the second depth shaft is slidably inserted into the second positioning hole along the first direction.

7. An injection molding apparatus for a plastic planter according to claim 6 wherein: the first end of the diagonal rod is fixedly connected with the rotating shaft.

8. An injection molding apparatus for a plastic planter according to claim 1, wherein: the two jacking components are respectively arranged on two sides of the die clamping mechanism.

9. An injection molding apparatus for a plastic planter according to claim 1, wherein: and an injection port is arranged at one end of the second depth shaft, which is far away from the second template, one end of the injection port is connected with the mold cavity, and the other end of the injection port is connected with an injection pipeline of the injection mechanism.

10. An injection molding apparatus for a plastic planter according to claim 1, wherein: the mould closing mechanism is a plurality of, and every mould benevolence of mould closing mechanism all sets up on first template.