CN223339958U - Heating device of injection molding machine - Google Patents

Abstract

The utility model relates to the field of injection molding machines, and discloses a heating device of an injection molding machine, which comprises an operating platform, both ends of the top of the operating platform are respectively fixed with a bracket, the tops of the two brackets are fixed with the same shell, and the side wall of the shell is provided with a charging barrel in a penetrating way. According to the utility model, the charging barrel is heated through the plurality of heating rings, the plurality of heating rings are covered by the shell, heat loss is avoided, meanwhile, the air blowing mechanism is used for blowing air into the shell, the air is in contact with the plurality of heating rings and then becomes hot air, the hot air enters the connecting seat through the plurality of branch pipes and enters the injection molding rod, and is sprayed into the raw material part through the plurality of round holes, so that the raw material is heated uniformly, the quality of a molded product is improved, the crushing mechanism is used for crushing materials with different sizes, the problem that the size difference of particles of the materials is large, and the materials enter the charging barrel to be melted, so that the speed is low, and the working efficiency is reduced.

Description

Heating device of injection molding machine

Technical Field

The utility model relates to the technical field of injection molding machines, in particular to a heating device of an injection molding machine.

Background

The injection molding machine is a mechanical device for plastic molding, is widely applied to the production of plastic products, and forms various plastic parts by heating and melting plastic particles, then injecting the plastic particles into a mold for cooling and molding, wherein the injection molding is one of the most common manufacturing processes in the modern plastic processing industry, and is characterized in that plastic raw materials are heated to a molten state and injected into the mold for cooling and molding under high pressure, and in the process, the performance of a heating device directly influences the key indexes such as the production efficiency, the product quality, the energy consumption and the like of the injection molding machine.

The heating pipe is generally adopted for heating the heating device of the traditional injection molding machine, the heating pipe is sleeved on the outer side wall of the charging barrel, heat is conducted to the side wall of the charging barrel, the conducted heat heats materials, the materials are prevented from being solidified, a part of heat is absorbed and conducted by the wall of the charging barrel, the other part of heat is emitted to the outside space to run away, the heat absorption of the materials close to the inner wall of the charging barrel is more, the melting speed is higher, but the heat absorption of the materials far away from the side wall of the charging barrel is less, the melting speed is low, and the heating mode easily causes uneven temperature distribution of raw materials, and further influences the quality of a formed product.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a heating device of an injection molding machine.

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

The utility model provides a heating device of injection molding machine, includes the operation panel, operation panel top both ends all are fixed with the support, two the support top is fixed with same shell, the shell lateral wall runs through and is provided with the feed cylinder, shell one end lateral wall is fixed with the feeder hopper, and feeder hopper and feed cylinder intercommunication, the inside broken mechanism that is used for broken that is equipped with of feeder hopper, a plurality of heating rings have been cup jointed to the feed cylinder lateral wall equidistance, feed cylinder one end inside wall rotates and is connected with the pole of moulding plastics, the pole of moulding plastics is cavity structure, and the one end of pole of moulding plastics runs through in feed cylinder one end lateral wall, the pole of moulding plastics lateral wall equidistance is the line type and has seted up a plurality of round holes, the operation panel top is equipped with the rotary mechanism who is used for rotating the pole of moulding plastics, the one end rotation of pole of moulding plastics is connected with the connecting seat, the connecting seat is cavity structure, and connecting seat and pole intercommunication of moulding plastics, the side wall of the connecting seat is fixed with a plurality of branch pipes at equal distance, the branch pipes are communicated with the shell, the other end of the injection molding rod is fixed with a screw head, the top of the operating platform is provided with an air supply mechanism for supplying air to the inside of the shell, the side wall of the injection molding rod is provided with a stirring mechanism for stirring, in the using process of the device, the charging barrel is heated by a plurality of heating rings, the heating rings are covered by the shell, avoid causing heat loss, simultaneously, the shell is internally blown through the air supply mechanism, air and a plurality of heating rings are contacted and then become hot air, the hot air enters the connecting seat through a plurality of branch pipes and enters the injection molding rod, and is sprayed into the raw material part through a plurality of round holes to secondarily heat the raw material, so that the raw material is heated uniformly, the quality of a formed product is improved, the materials with different sizes are crushed through the crushing mechanism, the problem that the size difference of the material particles is large, so that the material enters the charging barrel to be melted, the speed is low, and the working efficiency is reduced is avoided.

As a further scheme of the utility model, the crushing mechanism comprises two rotating shafts, the two rotating shafts are all rotationally connected to the inner side wall of the feed hopper, the two rotating shafts are in a parallel state, crushing rollers are sleeved on the side walls of the two rotating shafts, one ends of the two rotating shafts are sleeved with gears, the two gears are meshed, a second motor is fixed on the outer side wall of the feed hopper, an output shaft of the second motor is fixed with one rotating shaft, the second motor is driven to drive one rotating shaft to rotate, the other rotating shaft is driven to rotate by matching with the two gears, and further the two crushing rollers are driven to rotate in a counter-rotating mode, so that materials can be crushed, the problem that the size difference of material particles is large, the later melting speed is influenced is solved, and the working efficiency is improved.

As a further scheme of the utility model, the rotating mechanism comprises a first motor, the first motor is fixed at one end of the top of the operating platform, the output shaft of the first motor is sleeved with a first synchronous wheel, one end of the injection molding rod is sleeved with a second synchronous wheel, the top of the operating platform is rotationally connected with a synchronous belt, one end of the synchronous belt is sleeved on the side wall of the first synchronous wheel, the other end of the synchronous belt is sleeved on the side wall of the second synchronous wheel, the first motor is driven to drive the first synchronous wheel to rotate, the injection molding rod and the screw head are driven to rotate simultaneously by being matched with the synchronous belt and the second synchronous wheel, and the molten injection molding rod is conveyed into a mold for injection molding treatment.

As a further scheme of the utility model, the air supply mechanism comprises a fan, the fan is fixed on one side of the top of the operating platform, the output end of the fan is fixed with a connecting pipe, one end of the connecting pipe is communicated with the shell, the injection molding rod rotates and drives the stirring rods to rotate, and the materials in a molten state are stirred, so that the materials are heated uniformly.

As a further scheme of the utility model, the stirring mechanism comprises a plurality of stirring rods, the stirring rods are fixed on the outer side wall of the injection molding rod in a spiral mode at equal distances, the driving fan is matched with the connecting pipe to suck external air into the shell and contact the surfaces of the heating rings, so that the air temperature is increased, at the moment, hot air enters the connecting seat through a plurality of branch pipes and enters the injection molding rod through the connecting seat, the hot air entering the injection molding rod is sprayed into the molten material through a plurality of round holes, secondary heating treatment is carried out on the molten material, heat loss is avoided, the material is heated more uniformly, and the quality of a formed product is improved.

As a further scheme of the utility model, the inner side wall of the shell is provided with the heat insulation layer, and external heat of the heating rings is prevented from being transmitted into an external environment through the shell by the heat insulation layer, so that heat loss is avoided.

The beneficial effects of the utility model are as follows:

1. This device is in the use, pour into the feed hopper into inside the feed cylinder with the raw materials, carry out heating treatment to the feed cylinder through a plurality of heating rings, and then melt processing to the raw materials, the in-process of melting carries out the cage through a plurality of heating rings of the effect of shell, avoid causing the heat to run off, simultaneously, through the air supply mechanism to the inside processing of blowing of shell, air and a plurality of heating rings contact back, become hot air, the hot air gets into in the connecting seat through a plurality of branch pipes, and inside the pole of intaking of moulding plastics, spout inside the raw materials portion through a plurality of round holes, carry out secondary heating to the raw materials, the in-process of heating drives the pole of moulding plastics rotatory through slewing mechanism, cooperation rabbling mechanism stirs the processing to the raw materials, make the raw materials be heated evenly, improve the quality of shaping product.

2. During injection molding, when materials are added into the charging barrel, the crushing mechanism is used for crushing the materials with different sizes, so that the phenomenon that the particle size difference of the materials is large, and the materials are caused to enter the charging barrel to be melted, so that the speed is low, and the working efficiency is reduced.

Drawings

FIG. 1 is a schematic diagram of a heating device of an injection molding machine according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a housing and a barrel of a heating device of an injection molding machine according to the present utility model;

FIG. 3 is a schematic view of a cartridge and a heating collar of a heating device of an injection molding machine according to the present utility model;

FIG. 4 is a schematic view showing the cross-sectional development of a housing and a heat insulating layer of a heating device of an injection molding machine according to the present utility model;

FIG. 5 is a schematic view of an injection molding rod, a round hole and a stirring rod of a heating device of an injection molding machine;

fig. 6 is a schematic cross-sectional view of a feed hopper and a crushing roller of a heating device of an injection molding machine according to the present utility model.

The device comprises a working table 1, a support 2, a fan 3, a connecting pipe 4, a housing 5, a shell 6, a charging barrel 7, a feeding hopper 8, a first motor 9, a connecting seat 10, a branch pipe 11, a heat insulation layer 12, a heating ring 13, an injection molding rod 14, a round hole 15, a screw head 16, a first synchronous wheel 17, a synchronous belt 18, a second synchronous wheel 19, a stirring rod 20, a second motor 21, a rotating shaft 22, a crushing roller 23 and a gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-6, a heating device of an injection molding machine comprises an operation table 1, two ends of the top of the operation table 1 are respectively fixed with a bracket 2, the tops of the two brackets 2 are respectively fixed with a same shell 5, the side wall of the shell 5 is provided with a charging barrel 6 in a penetrating way, one end side wall of the shell 5 is fixed with a feeding hopper 7, the feeding hopper 7 is communicated with the charging barrel 6, a crushing mechanism for crushing is arranged in the feeding hopper 7, a plurality of heating rings 12 are sleeved on the outer side wall of the charging barrel 6 at equal distance, an injection molding rod 13 is rotatably connected with the inner side wall of one end of the charging barrel 6, the injection molding rod 13 is of a cavity structure, one end of the injection molding rod 13 penetrates through the outer side wall of one end of the charging barrel 6, a plurality of round holes 14 are formed in a linear way on the side wall of the injection molding rod 13 at equal distance, the top of the operation table 1 is provided with a rotating mechanism for rotating the injection molding rod 13, one end of the injection molding rod 13 is rotatably connected with a connecting seat 9, the connecting seat 9 is of the cavity structure, the connecting seat 9 is communicated with the injection molding rod 13, a plurality of branch pipes 10 are fixed on the side wall of the connecting seat 9 at equal intervals, the plurality of branch pipes 10 are communicated with the shell 5, a screw head 15 is fixed on the other end of the injection molding rod 13, an air supply mechanism for supplying air to the inside of the shell 5 is arranged at the top of the operating platform 1, and a stirring mechanism for stirring is arranged on the side wall of the injection molding rod 13. The quality of the formed product is improved, materials with different sizes are crushed through the crushing mechanism, the phenomenon that the size difference of the particles of the materials is large is avoided, the materials are caused to enter the charging barrel 6 to be melted, the speed is low, and the working efficiency is reduced.

Referring to fig. 1 and 6, in a preferred embodiment, the crushing mechanism includes two rotating shafts 21, the two rotating shafts 21 are all rotationally connected to the inner side wall of the feed hopper 7, and the two rotating shafts 21 are in parallel state, the side walls of the two rotating shafts 21 are all sleeved with crushing rollers 22, one ends of the two rotating shafts 21 are all sleeved with gears 23, the two gears 23 are meshed, the outer side wall of the feed hopper 7 is fixed with a second motor 20, an output shaft of the second motor 20 is fixed with one of the rotating shafts 21, the second motor 20 is driven to drive one of the rotating shafts 21 to rotate, the other rotating shaft 21 is driven to rotate by matching with the two gears 23, and then the two crushing rollers 22 are driven to rotate in opposite rotation, so that crushing treatment can be performed on materials, the size difference of material particles is avoided, the later melting speed is influenced, and the working efficiency is improved.

Referring to fig. 2 and 5, in a preferred embodiment, the rotating mechanism includes a first motor 8, the first motor 8 is fixed at one end of the top of the operating platform 1, an output shaft of the first motor 8 is sleeved with a first synchronizing wheel 16, one end of an injection molding rod 13 is sleeved with a second synchronizing wheel 18, the top of the operating platform 1 is rotationally connected with a synchronous belt 17, one end of the synchronous belt 17 is sleeved on the side wall of the first synchronizing wheel 16, the other end of the synchronous belt 17 is sleeved on the side wall of the second synchronizing wheel 18, the first motor 8 is driven to drive the first synchronizing wheel 16 to rotate, the synchronous belt 17 and the second synchronizing wheel 18 are matched to drive the injection molding rod 13 and the screw head 15 to rotate simultaneously, and the melted injection molding rod is conveyed into a mold for injection molding.

Referring to fig. 1, in a preferred embodiment, the air supply mechanism includes a fan 3, the fan 3 is fixed on one side of the top of the operating platform 1, the output end of the fan 3 is fixed with a connecting pipe 4, one end of the connecting pipe 4 is communicated with the housing 5, and the injection molding rod 13 rotates and drives a plurality of stirring rods 19 to rotate, so as to stir the material in a molten state, and the material is heated uniformly.

Referring to fig. 4 and 5, in a preferred embodiment, the stirring mechanism includes a plurality of stirring rods 19, the stirring rods 19 are fixed on the outer side wall of the injection molding rod 13 in a spiral manner at equal distances, the driving fan 3 is matched with the connecting pipe 4 to suck external air into the casing 5 and contact the surface of the heating rings 12, so that the air temperature is increased, at this time, hot air enters the connecting seat 9 through the plurality of branch pipes 10 and enters the injection molding rod 13 through the connecting seat 9, and the hot air entering the injection molding rod 13 is sprayed into the molten material through the plurality of round holes 14, so that the molten material is subjected to secondary heating treatment, heat loss is avoided, and meanwhile, the material is heated more uniformly, and the quality of a formed product is improved.

Referring to fig. 4, in a preferred embodiment, the inner side wall of the housing 5 is provided with a heat insulating layer 11, and external heat of the plurality of heating coils 12 is prevented from being transferred into the external environment through the housing 5 by the heat insulating layer 11, thereby avoiding heat loss.

The working principle of the embodiment is that in the use process, materials to be melted are placed in the feed hopper 7 in advance, at the moment, the power switch of the second motor 20 is connected, the second motor 20 is driven to drive one rotating shaft 21 to rotate, two gears 23 are matched to drive the other rotating shaft 21 to rotate, further two crushing rollers 22 are driven to rotate in a counter-rotating mode, the materials can be crushed, the problem that the size difference of particles of the materials is large in the later melting speed is solved, the working efficiency is improved, the crushed materials enter the inside of the feed cylinder 6, at the moment, the power switch of the heating rings 12 is connected, the materials can be melted through the heating rings 12, the power switch of the first motor 8 is connected, the first synchronous wheel 16 is driven to rotate, the injection molding rod 13 and the screw head 15 are driven to rotate simultaneously, the materials in a melting state are stirred simultaneously, the fan 3 is connected to the inside of the feed cylinder 6 in a heating mode, the air is heated through the connecting pipes 9, the air is heated through the connecting pipes 9, and the air is heated through the connecting pipes 13, the air is heated through the air temperature inside the connecting pipes 13, and the air is heated through the air temperature is heated through the connecting pipes, and the air is heated through the inside the air connecting pipes 13.

Spatially relative terms, such as "above," "upper" and "upper surface," "above" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the process is carried out, the exemplary term "above" may be included. Upper and lower. Two orientations below. The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be capable of being practiced otherwise than as specifically illustrated and described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a heating device of injection molding machine, includes operation panel (1), its characterized in that, operation panel (1) top both ends all are fixed with support (2), two support (2) top is fixed with same shell (5), shell (5) lateral wall runs through and is provided with feed cylinder (6), shell (5) one end lateral wall is fixed with feeder hopper (7), and feeder hopper (7) and feed cylinder (6) intercommunication, inside broken mechanism that is used for the breakage that is equipped with of feeder hopper (7), a plurality of heating rings (12) have been cup jointed to feed cylinder (6) lateral wall equidistance, feed cylinder (6) one end inside wall rotation is connected with injection molding pole (13), injection molding pole (13) are cavity structure, and the one end of injection molding pole (13) runs through in feed cylinder (6) one end lateral wall, injection molding pole (13) lateral wall equidistance is the line and has been seted up a plurality of round holes (14), operation panel (1) one end rotation that is equipped with injection molding pole (13) is connected with connecting seat (9), connecting seat (9) are connected with branch pipe (10) and connecting seat (10) and equal distance, connecting seat (10), the other end of the injection molding rod (13) is fixed with a screw head (15), an air supply mechanism for supplying air to the inside of the shell (5) is arranged at the top of the operating platform (1), and a stirring mechanism for stirring is arranged on the side wall of the injection molding rod (13).

2. The heating device of an injection molding machine according to claim 1, wherein the crushing mechanism comprises two rotating shafts (21), the two rotating shafts (21) are both rotatably connected to the inner side wall of the feed hopper (7), the two rotating shafts (21) are in parallel, crushing rollers (22) are both sleeved on the side walls of the two rotating shafts (21), gears (23) are both sleeved at one ends of the two rotating shafts (21), the two gears (23) are meshed, a second motor (20) is fixed on the outer side wall of the feed hopper (7), and an output shaft of the second motor (20) is fixed with one of the rotating shafts (21).

3. The heating device of an injection molding machine according to claim 1, wherein the rotating mechanism comprises a first motor (8), the first motor (8) is fixed at one end of the top of the operating platform (1), a first synchronous wheel (16) is sleeved on an output shaft of the first motor (8), a second synchronous wheel (18) is sleeved on one end of the injection molding rod (13), a synchronous belt (17) is rotationally connected to the top of the operating platform (1), one end of the synchronous belt (17) is sleeved on the side wall of the first synchronous wheel (16), and the other end of the synchronous belt (17) is sleeved on the side wall of the second synchronous wheel (18).

4. The heating device of the injection molding machine according to claim 1, wherein the air supply mechanism comprises a fan (3), the fan (3) is fixed on one side of the top of the operating platform (1), the output end of the fan (3) is fixed with a connecting pipe (4), and one end of the connecting pipe (4) is communicated with the shell (5).

5. The heating device of an injection molding machine according to claim 1, wherein the stirring mechanism comprises a plurality of stirring rods (19), and the stirring rods (19) are fixed on the outer side wall of the injection molding rod (13) in a spiral manner at equal distances.

6. A heating device of an injection molding machine according to claim 1, characterized in that the inner side wall of the housing (5) is provided with a heat insulating layer (11).