CN212072857U

CN212072857U - Injection molding machine heating device

Info

Publication number: CN212072857U
Application number: CN202020154347.2U
Authority: CN
Inventors: 刘真
Original assignee: Sichuan Xingchuangtai Information Technology Co Ltd
Current assignee: Qingdao Jingnuo Precision Plastic Co.,Ltd.
Priority date: 2020-02-06
Filing date: 2020-02-06
Publication date: 2020-12-04
Anticipated expiration: 2030-02-06

Abstract

The utility model relates to an injection molding machine heating technology field, concretely relates to injection molding machine heating device, including two semicircular heating barrels, one end of the two semicircular heating barrels is hinged with each other, the other end is fixed with a buckle component, each semicircular heating barrel includes a nanometer infrared heating ring, an electric heating layer is fixed outside the nanometer infrared heating ring, a reflecting layer is fixed outside the electric heating layer, a heat insulation layer is fixed outside the reflecting layer, and a waste heat recovery component is fixed outside the heat insulation layer; the utility model is provided with the waste heat recovery component, the air flow wraps the heat insulation layer, the dissipated waste heat is absorbed into the air flow, and the waste heat can be well recovered; be equipped with the velocity of flow control fan in the ventilation pipe, can control the velocity of flow of air current in the recovery pipe, use slow air current when absorbing heat energy, when needs are cooled down to heating device, can accelerate the air current to flow, reach the purpose of cooling, set up a convenient buckle subassembly, can be convenient install and dismantle this device.

Description

Injection molding machine heating device

Technical Field

The utility model relates to an injection molding machine heating technology field, concretely relates to injection molding machine heating device.

Background

An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding device for making 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. When an injection molding machine is used for processing plastics, granular or powdery plastic raw materials in a charging barrel need to be heated, after the plastic raw materials are melted, the molten plastic raw materials are injected into a closed mold cavity, and a plastic product is obtained after solidification and shaping.

The patent number CN201822087356.X discloses a heating device of an injection molding machine, which comprises a heating cylinder, a heat-insulating cylinder and a protection cylinder which are sequentially arranged from inside to outside, wherein the heat-insulating cylinder comprises four annular cylinder bodies which are in head-tail buckle connection and are provided with heat-insulating supports with the same structure, each heat-insulating support comprises a first arc-shaped plate, a second arc-shaped plate and a third arc-shaped plate which are sequentially arranged from inside to outside, one sides of the first arc-shaped plate and the third arc-shaped plate, which are close to each other, are convexly provided with first bulges, and one sides of the first arc-shaped plate and the third arc-shaped plate, which are close to each other, are convexly provided with clamping hooks which are in buckle connection with; but the device does not have the waste heat recovery function and is not convenient enough to install.

Based on this, the utility model designs an injection molding machine heating device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection molding machine heating device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a heating device of an injection molding machine comprises two semicircular heating barrels, one ends of the two semicircular heating barrels are hinged with each other, a buckle assembly is fixed at the other end of the two semicircular heating barrels, each semicircular heating barrel comprises a nano infrared heating ring, an electric heating layer is fixed outside the nano infrared heating ring, a plurality of heating rods are uniformly arranged in the electric heating layer, a reflecting layer is fixed outside the electric heating layer, a heat-insulating layer is fixed outside the reflecting layer, a waste heat recovery assembly is fixed outside the heat-insulating layer and comprises a recovery pipe, the recovery pipe is fixed outside the heat-insulating layer, the interior of the heat-insulating layer is divided into four airflow chambers, two ends of each airflow chamber are respectively fixed with a shunt pipe, the four shunt pipes at the same side are respectively and commonly connected with a ventilation pipe, flow speed control fans are respectively arranged in the ventilation pipes at two sides and are commonly communicated and fixed with a, the bottom is provided with an air inlet, and the air outlet, the air inlet and the right shunt pipe are internally provided with temperature control valves.

Preferably, the buckle subassembly includes first fixed block and second fixed block, and first fixed block and second fixed block are fixed in the edge of two semicircle cartridge heaters joint departments respectively, and it has the knot briquetting to articulate on the first fixed block, and the inboard of detaining the briquetting articulates there is the joint piece, and it is equipped with the recess to correspond in the second fixed block and detain briquetting and the articulated position department of joint piece, and the inner wall symmetry of recess is fixed with two spring leafs.

Preferably, the movable end of the buckling and pressing block is provided with a clamping groove, and the shape of the spring piece corresponds to that of the clamping groove.

Preferably, the electric heating layer is internally provided with heat insulation filler which is ceramic fiber, and the ceramic fiber has good heat conduction and heat insulation effects.

Preferably, a heating net is fixed in the pipe orifice of the right shunt pipe, and the heating net can be used for heating airflow to achieve the purpose of auxiliary heating.

Preferably, the pipe walls of the shunt pipe and the ventilation pipe are made of heat insulation materials, so that heat in airflow can be well prevented from being dissipated.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is provided with the waste heat recovery component, the air flow wraps the heat insulation layer, the dissipated waste heat is absorbed into the air flow, and the waste heat can be well recovered; a flow speed control fan is arranged in the ventilation pipe, so that the flow speed of air flow in the recovery pipe can be controlled, slow air flow is used when heat energy is absorbed, and when the heating device needs to be cooled, the air flow can be accelerated to achieve the purpose of cooling; the air outlet, the air inlet and the right shunt pipe are internally provided with temperature control valves, and the temperature control valves can control the opening and closing of the air outlet and the air inlet according to the temperature of air flow in the temperature control box, so that the optimal recovery effect is achieved; the convenient buckle component is arranged, so that the device can be conveniently mounted and dismounted; the heating net is arranged and can be used for heating the air flow, so that the purpose of auxiliary heating is achieved.

Drawings

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

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of the present invention;

fig. 3 is a schematic structural view of the buckle assembly of the present invention;

fig. 4 is an opening schematic view of the buckle assembly of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-nanometer infrared heating ring, 2-electric heating layer, 3-heating rod, 4-reflecting layer, 5-heat insulation layer, 6-waste heat recovery component, 601-recovery pipe, 602-shunt pipe, 603-ventilation pipe, 604-flow rate control fan, 605-temperature control box, 606-temperature detector, 607-air outlet, 608-hot air recovery box, 609-air inlet, 610-temperature control valve, 7-buckle component, 701-first fixed block, 702-second fixed block, 703-buckle block, 704-buckle block, 705-groove, 706-spring piece and 8-heating net.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a heating device of an injection molding machine comprises two semicircular heating barrels, wherein one ends of the two semicircular heating barrels are hinged with each other, a buckle component 7 is fixed at the other end of the two semicircular heating barrels, the semicircular heating barrels can be conveniently opened through a hinged structure and are buckled on an injection molding machine, the two semicircular heating barrels can be conveniently fixed through the buckle component 7, each semicircular heating barrel comprises a nano infrared heating ring 1, the nano infrared heating ring 1 can release heat to heat, an electric heating layer 2 is fixed outside the nano infrared heating ring 1, a plurality of heating rods 3 are uniformly arranged in the electric heating layer 2, the heating rods 3 are used for further heating, heat-insulating fillers are arranged in the electric heating layer 2 and are ceramic fibers, the ceramic fibers have good heat conductivity and good heat-insulating effect, a reflecting layer 4 is fixed outside the electric heating layer 2, the reflecting layer 4 reflects heat energy and further reduces heat loss, a heat insulation layer 5 is fixed outside the reflection layer 4, and the heat insulation layer 5 has a good heat insulation effect and further prevents heat energy from leaking;

a waste heat recovery assembly 6 is fixed outside the heat insulation layer 5, the waste heat recovery assembly 6 comprises a recovery pipe 601, the recovery pipe 601 is fixed outside the heat insulation layer 5 and consists of two semicircles, the interior of the recovery pipe 601 is divided into four airflow chambers, two ends of each airflow chamber are respectively fixed with a flow dividing pipe 602, the four flow dividing pipes 602 at the same side are respectively connected with a ventilation pipe 603, the pipe walls of the flow dividing pipes 602 and the ventilation pipes 603 are respectively composed of heat insulation materials, flow rate control fans 604 are respectively arranged in the ventilation pipes 603 at two sides, the flow rate control fans 604 are driven by a motor and are respectively communicated and fixed with a temperature control box 605, a temperature detector 606 is arranged in the temperature control box 605, the type of the temperature detector 606 is TAD-166 and is used for detecting the temperature of the airflow, specific temperature values are displayed outside the temperature control box 605, an, the hot air recovered by the hot air recovery box 608 can be used for heating or an absorption heat pump is used for increasing the quantity or temperature of heat for production and living, an air inlet 609 is arranged at the bottom of the hot air recovery box 608, temperature control valves 610 are arranged in the air outlet 607 and the air inlet 609, the type of the temperature control valve 610 is ZRSWK, a heating net 8 is fixed in the right shunt pipe 602, the heating net 8 can be used for heating air flow when necessary, and the hot air can be used for auxiliary heating of the injection molding barrel.

The buckle component 7 comprises a first fixing block 701 and a second fixing block 702, the first fixing block 701 and the second fixing block 702 are respectively fixed at the edges of the clamping positions of the two semicircular heating cylinders, a buckling block 703 is hinged to the first fixing block 701, a clamping block 704 is hinged to the inner side of the buckling block 703, a clamping groove is formed in the movable end of the buckling block 703, a groove 705 is formed in the second fixing block 702 corresponding to the hinged position of the buckling block 703 and the clamping block 704, two spring pieces 706 are symmetrically fixed on the inner wall of the groove 705, and the shape of each spring piece 706 corresponds to the clamping groove.

One specific application of this embodiment is: the nano infrared heating ring 1 and the heating rod 3 are started, the wrapped injection molding barrel is heated, heat is dissipated into the recovery pipe 601 through the electric heating layer, the reflecting layer 4 and the heat insulation layer 5, the flow rate control fan 604 controls air flow to slowly flow and absorbs the dissipated heat, when the temperature of the air flow reaches a threshold value set by the temperature control valve 610, the temperature control valve 610 is opened, and hot air flow is absorbed into the hot air recovery box 608 for recovery; at this time, the temperature control valve of the air inlet 609 is opened to absorb normal temperature air flow, and the above processes are repeated to recycle heat.

When the temperature needs to be reduced, the air inlet 609 can be opened to accelerate the rotation of the flow rate control fan 604, accelerate the flow of the air flow in the whole waste heat recovery assembly 6, accelerate the flow rate of the air flow outside the heat insulation layer 5, and generate the temperature reduction effect, thereby achieving the purpose of temperature reduction.

This device is installed and dismantled: rotating the two semicircular heating cylinders about a hinged point, wrapping the injection molding cylinder, aligning the clamping block 704 with the groove 705, pressing the buckling block 703, enabling the clamping block 704 to enter the groove 705, enabling the spring piece 706 to deform, and completing installation when the shape of the spring piece 706 corresponds to that of the clamping groove; stir and detain briquetting 703, spring leaf 706 produces deformation, detains briquetting 703 and drives joint piece 704 and break away from spring leaf 706, and the buckle subassembly is opened this moment, with two semicircle cartridge heaters about pin joint antiport, breaks away from the section of thick bamboo of moulding plastics, dismantles the completion.

It is worth noting that: the flow rate control fan 604, the temperature detector 606 and the temperature control valve 610 are controlled by the control buttons, and since the devices matched with the control buttons are common devices, the flow rate control fan belongs to the existing mature technology, and the electrical connection relationship and the specific circuit structure are not repeated herein.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an injection molding machine heating device, includes two semicircle cartridge heaters, its characterized in that: two one end of the semicircular heating cylinder is hinged with each other, the other end is fixed with a buckle component (7), the semicircular heating cylinder comprises a nano infrared heating ring (1), an electric heating layer (2) is fixed outside the nano infrared heating ring (1), a plurality of heating rods (3) are uniformly arranged in the electric heating layer (2), a reflecting layer (4) is fixed outside the electric heating layer (2), a heat-insulating layer (5) is fixed outside the reflecting layer (4), a waste heat recovery component (6) is fixed outside the heat-insulating layer (5), the waste heat recovery component (6) comprises a recovery pipe (601), the recovery pipe (601) is fixed outside the heat-insulating layer (5), the interior of the recovery pipe is divided into four airflow chambers, two ends of each airflow chamber are respectively fixed with a shunt pipe (602), the four shunt pipes (602) on the same side are respectively and jointly connected with a ventilation pipe (603), and flow rate control fans (604) are respectively arranged, and are jointly communicated and fixed with a temperature control box (605), a temperature detector (606) is arranged in the temperature control box (605), the top of the temperature control box is communicated and fixed with an air outlet (607), the air outlet (607) is communicated and fixed with a hot air recycling box (608), the bottom of the temperature control box is provided with an air inlet (609), and temperature control valves (610) are arranged in the air outlet (607) and the air inlet (609).

2. The heating device of an injection molding machine according to claim 1, characterized in that: buckle subassembly (7) are including first fixed block (701) and second fixed block (702), and first fixed block (701) and second fixed block (702) are fixed in the edge of two semicircle cartridge heater joint departments respectively, and it has buckle briquetting (703) to hinge on first fixed block (701), and the inboard of buckling briquetting (703) articulates there is joint piece (704), it is equipped with recess (705) to correspond the articulated position department of buckling briquetting (703) and joint piece (704) in second fixed block (702), and the inner wall symmetry of recess (705) is fixed with two spring leafs (706).

3. The heating device of an injection molding machine according to claim 2, characterized in that: the movable end of the buckling and pressing block (703) is provided with a clamping groove, and the shape of the spring piece (706) corresponds to the clamping groove.

4. The heating device of an injection molding machine according to claim 1, characterized in that: the electric heating layer (2) is internally provided with a heat-insulating filler which is ceramic fiber.

5. The heating device of an injection molding machine according to claim 1, characterized in that: a heating net (8) is fixed in the orifice of the shunt pipe (602) on the right side.

6. The heating device of an injection molding machine according to claim 1, characterized in that: the pipe walls of the shunt pipe (602) and the vent pipe (603) are both made of heat insulation materials.