CN104608321A - Waste heat collection and heat storage circulating device for injection molding machine - Google Patents
Waste heat collection and heat storage circulating device for injection molding machine Download PDFInfo
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- CN104608321A CN104608321A CN201510043010.8A CN201510043010A CN104608321A CN 104608321 A CN104608321 A CN 104608321A CN 201510043010 A CN201510043010 A CN 201510043010A CN 104608321 A CN104608321 A CN 104608321A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
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- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a waste heat collection and heat storage circulating device for an injection molding machine. The device comprises a thermal insulation drying barrel, a filter, a circulating fan, a heat pump assembly, an air dehumidification heating assembly, a waste heat collection and heat storage unit and an intelligent control system, wherein the filter comprises a filter element, a filter matrix, a filter cover plate and a filter air inlet/outlet pipe; the waste heat collection and heat storage unit comprises a heat storage unit upper cover and a heat storage unit lower cover; a heat collection cavity is formed between an upper thermal insulation layer and a heat collection layer of the heat storage unit upper cover; the heat storage unit upper cover is equipped with a heat storage unit air inlet/outlet pipe; the heat pump assembly comprises a compressor, a condenser, an evaporator and an expansion valve; the air dehumidification heating assembly comprises a heat accumulator; a heat side air inlet/outlet pipe is assembled on the heat side of the heat accumulator; and a cold side air inlet/outlet pipe is assembled on the cold side of the heat accumulator. According to the device disclosed by the invention, the heat dissipated in the process of operating a heater of a melt glue cylinder of the injection molding machine can be recycled, the glue in the thermal insulation drying barrel can be subjected to dehumidification drying treatment, energy conservation and environmental friendliness are promoted, and the operating environment of work places such as workshops can be effectively improved.
Description
Technical field
The present invention relates to injection machine technical field, particularly relate to a kind of residual heat of injection molding machine and collect heat accumulation EGR.
Background technology
Along with science and technology constantly progress, in daily life and industrial processes, a lot of metallic article gradually replace by plastic products.Existing plastic products generally adopt the molding modes such as injection mo(u)lding, compression forming, extrusion molding to be prepared from, and wherein, injection mo(u)lding is most widely used.In actual plastic processes, moulding the moisture that smectic plastics absorb and can have a strong impact on the final Forming Quality of plastic products, the plastics that the water imbibitions such as such as nylon, ABS, polycarbonate are stronger before storage and processing; In addition, for the plastics of or unwetted more weak for water imbibition, moisture contamination (moisture accumulation is on the surface of the plastic grain) Forming Quality to plastic products of frosting also can produce harmful effect; So for above-mentioned situation, plastics should carry out suitably removal moisture drying process before injection molding, to ensure to obtain good molding effect.Existing injection machine formation system is generally configured with the drying machine for removal moisture drying plastics, existing drying machine is generally adopt electrically heated mode to provide thermal source, and the hot blast after heating enters heat preservation and dryness bucket from air intake vent and carries out removal moisture drying process to the plastics in heat preservation and dryness bucket; To completing removal moisture drying process and also carrying certain heat from the air that the air outlet of heat preservation and dryness bucket is discharged, if this part heat directly enters workshop, can increase the dust content in workshop air and affect the healthy of operator on the one hand, another aspect can increase energy consumption and increase the weight of the financial burden of enterprise.
In addition, carry out in the process of injection mo(u)lding processing utilizing injection machine, the heater that plastic melting barrel of injection molding machine configures heats the plastics to be formed in rubber melting cylinder, in the process, has quite a few heat to be distributed to the external world (such as workshop) by heater; For the workshop of carrying out industrial production processing, the heat that heater distributes can cause operating ambient temperature to raise and operating condition is worsened on the one hand, also can cause the significant wastage of the energy on the other hand, and then increases the financial burden of enterprise.
Summary of the invention
The object of the invention is to provide a kind of residual heat of injection molding machine to collect heat accumulation EGR for the deficiencies in the prior art, the heat that this residual heat of injection molding machine collection heat accumulation EGR distributes when can recycle the heater work of plastic melting barrel of injection molding machine also carries out removal moisture drying process to the sizing material in heat preservation and dryness bucket, and energy-conserving and environment-protective also can improve the working environment of the workplaces such as workshop effectively.
For achieving the above object, the present invention is achieved through the following technical solutions.
A kind of residual heat of injection molding machine collects heat accumulation EGR, include the afterheat collecting, storing circulatory system and be installed in injection machine upper end and for the heat preservation and dryness bucket of splendid attire sizing material, the afterheat collecting, storing circulatory system include filter, circulating fan, heat pump components, air dewetting heating component and to be set in outside the heater of plastic melting barrel of injection molding machine and for collecting heater work time the waste heat of heat that distributes gather thermal storage device;
Filter includes filter housings and filtration core, filter housings includes filter matrix and is installed in the filter cover plate of filter matrix upper end, the inside of filter matrix forms the accommodating cavity towards upper shed, filter cover plate mounts cover the accommodating cavity opening part in filter matrix, filtration core is flush-mounted in the accommodating cavity of filter matrix, the center of filtration core offers the suit hole run through completely up and down, the bottom of filter matrix is fitted with the filter outlet pipe in hollow form, the upper end of filter outlet pipe is run through the bottom of filter matrix and extends upwardly in accommodating cavity, the bottom of filter outlet pipe extends to the bottom lower end side of filter matrix, the middle part of filter outlet pipe is welded and is fixed on the bottom of filter matrix, the bracing frame that the upper end of filter outlet pipe is welded in arch shape, bracing frame include the gripper shoe of horizontal-extending and two vertically extend and symmetrical spaced apart feet, the bottom of two feets is welded respectively and is fixed on the upper end-face edge portion of filter outlet pipe, gripper shoe to be connected with between the upper end of two feets and gripper shoe and two feets one-body molded, the upper end side of gripper shoe is equiped with the vertical set bolt extended, the bottom of set bolt is welded and is fixed on the upper surface of gripper shoe, in the suit hole that the upper end of filter outlet pipe is intercalated in filtration core and the upper end of set bolt extends to the upper end side of filtration core, the upper end of set bolt is screwed with hold-down nut, filtration core is installed between hold-down nut and the bottom of filter matrix, filter cover plate is welded the filter air inlet pipe be fixed with in hollow form, and the bottom of filter air inlet pipe penetrates filter cover plate and extends in the accommodating cavity of filter matrix, and the upper end being welded and fixed air inlet pipe extends to the upper end side of filter cover plate,
Waste heat gathers thermal storage device and includes interconnective thermal storage device upper cover and thermal storage device lower cover, thermal storage device upper cover includes the thermal-arrest layer stacking gradually layout from inside to outside, upper heat-insulation layer and upper coat of metal, upper heat-insulation layer and thermal-arrest interlayer are every arranging and being provided with heat collector cavity between upper heat-insulation layer and thermal-arrest layer, the corresponding heat collector cavity of thermal storage device upper cover is fitted with the thermal storage device blast pipe for being directed into by air in heat collector cavity and is used for the thermal storage device discharge pipe of the air derivation in heat collector cavity, thermal storage device lower cover includes the lower heat-insulation layer and lower coat of metal that stack gradually layout from inside to outside,
Heat pump components includes compressor, condenser, evaporimeter, expansion valve, compressor outlet be connected with the entrance of condenser by refrigerant tubing, the outlet of condenser is connected with the entrance of evaporimeter by refrigerant tubing, the outlet of evaporimeter is connected with the entrance of compressor by refrigerant tubing, and expansion valve is installed in the refrigerant tubing between the entrance of evaporimeter and the outlet of condenser;
Air dewetting heating component includes regenerator, the hot side of regenerator is fitted with hot side blast pipe and hot side air-out pipe, the cold side of regenerator is fitted with cold side blast pipe and cold side discharge pipe, hot side air-out pipe and cold side blast pipe are connected with evaporimeter respectively by airflow pipe, air inlet and the cold side discharge pipe of circulating fan are connected with condenser respectively by airflow pipe, and the cold side of regenerator is fitted with the water draining beak of condensed water being discharged regenerator;
The air outlet of heat preservation and dryness bucket upper end is connected with filter blast pipe by airflow pipe, filter discharge pipe is connected with thermal storage device blast pipe by airflow pipe, thermal storage device discharge pipe is connected with the hot side blast pipe of regenerator by airflow pipe, and the air outlet of circulating fan is connected by the air inlet of airflow pipe with heat preservation and dryness bucket bottom;
This residual heat of injection molding machine is collected heat accumulation EGR and is also included intelligence control system, and intelligence control system is electrically connected with circulating fan, compressor respectively.
Wherein, the outer race of described filter matrix is equipped with the heat insulation retaining wall in entirely enclosing shape, the inner surface of heat insulation retaining wall and the outer surface interval of filter matrix are arranged, be equiped with middle connecting plate between the upper end of heat insulation retaining wall and the upper end of filter matrix, middle connecting plate welds with the upper end of heat insulation retaining wall and the upper end of filter matrix respectively.
Wherein, be equiped with O-ring seal between the bottom of described filter matrix and the lower surface of described filtration core, O-ring seal is installed between the lower surface of filtration core and the bottom of filter matrix.
Wherein, described filter cover plate offers and runs through completely up and down and the through hole be communicated with the accommodating cavity of described filter matrix, is embedded with the damper for regulating outside air to enter to the air capacity in accommodating cavity in through hole.
Wherein, the airflow pipe connecting described thermal storage device blast pipe is provided with magnetic valve with between the airflow pipe being connected described thermal storage device discharge pipe.
Wherein, be embedded with the thermal-arrest metallic conduit in hollow form in described heat collector cavity, the air inlet of thermal-arrest metallic conduit is connected with described thermal storage device blast pipe, and the air outlet of thermal-arrest metallic conduit is connected with described thermal storage device discharge pipe.
Wherein, the inside of described heat collector cavity is equiped with the dividing plate of the arrangement in uniform intervals, thermal-arrest passage is formed between two adjacent dividing plates, all thermal-arrest passages are connected in series successively, the air inlet of the thermal-arrest passage assembly be connected in series successively by each thermal-arrest passage is connected with described thermal storage device blast pipe, and the air outlet of thermal-arrest passage assembly is connected with described thermal storage device discharge pipe.
Wherein, be equiped with respectively in each described thermal-arrest passage and touch with described thermal-arrest layer and heat-conducting block in fin-like.
Wherein, described upper cover is provided with the tapered end of the conical section being set in plastic melting barrel of injection molding machine and is set in the straight body of flat segments of plastic melting barrel of injection molding machine, and tapered end is connected from front to back successively with straight body.
Wherein, the periphery connecting the airflow pipe of the air inlet of described heat preservation and dryness bucket and the air outlet of described circulating fan is sheathed with auxiliary heater, and auxiliary heater is electrically connected with described intelligence control system.
Beneficial effect of the present invention is: a kind of residual heat of injection molding machine of the present invention collects heat accumulation EGR, and it comprises heat preservation and dryness bucket, filter, circulating fan, heat pump components, air dewetting heating component, waste heat collection thermal storage device, intelligence control system; Filter comprises filtration core, filter matrix, filter cover plate, suit hole is offered in filtration core center, equipped filter outlet pipe bottom filter matrix, filter outlet pipe upper end is welded bracing frame, bracing frame comprises gripper shoe, feet, set bolt, hold-down nut, and filter cover plate is welded filter air inlet pipe; Waste heat gathers thermal storage device and comprises thermal storage device upper cover, thermal storage device lower cover, thermal storage device upper cover comprises thermal-arrest layer, upper heat-insulation layer, upper coat of metal, between upper heat-insulation layer and thermal-arrest layer, heat collector cavity is set, thermal storage device upper cover is equipped with thermal storage device blast pipe, thermal storage device discharge pipe, and thermal storage device lower cover comprises lower heat-insulation layer, lower coat of metal; Heat pump components comprises compressor, condenser, evaporimeter, expansion valve, air dewetting heating component comprises regenerator, the hot side of regenerator is equipped with hot side blast pipe, hot side air-out pipe, regenerator cold side is equipped with cold side blast pipe, cold side discharge pipe, hot side air-out pipe and cold side blast pipe are connected with evaporimeter respectively by airflow pipe, and air inlet and the cold side discharge pipe of circulating fan are connected with condenser respectively by airflow pipe; The air outlet of heat preservation and dryness bucket upper end is connected with filter blast pipe by airflow pipe, filter discharge pipe is connected with thermal storage device blast pipe by airflow pipe, thermal storage device discharge pipe is connected with the hot side blast pipe of regenerator by airflow pipe, and the air outlet of circulating fan is connected by the air inlet of airflow pipe with heat preservation and dryness bucket bottom.Comprehensive above-mentioned situation is known, the heat that the present invention distributes when can recycle the heater work of plastic melting barrel of injection molding machine also carries out removal moisture drying process to the sizing material in heat preservation and dryness bucket, and energy-conserving and environment-protective also can improve the working environment of the workplaces such as workshop effectively.
Accompanying drawing explanation
Utilize accompanying drawing to be further detailed the present invention below, but the embodiment in accompanying drawing does not form any limitation of the invention.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation that waste heat of the present invention gathers thermal storage device.
Fig. 3 is the structural representation that waste heat of the present invention gathers the thermal storage device upper cover of thermal storage device.
Fig. 4 is the structural representation that waste heat of the present invention gathers the another kind of embodiment of thermal storage device upper cover of thermal storage device.
Fig. 5 is the structural representation that waste heat of the present invention gathers the another kind of embodiment of thermal storage device.
Fig. 6 is the structural representation of filter of the present invention.
Fig. 7 is the structural representation of heat pump components of the present invention, air dewetting heating component.
Include in Fig. 1 to Fig. 7:
1---heat preservation and dryness bucket 2---filter
21---filter matrix 211---accommodating cavity
22---filter cover plate 23---filtration core
231---suit hole 24---filter outlet pipe
25---bracing frame 251---gripper shoe
252---feet 253---set bolt
254---hold-down nut 26---filter air inlet pipe
27---heat insulation retaining wall 28---middle connecting plate
29---O-ring seal 210---damper structure
3---circulating fan 4---heat pump components
41---compressor 42---condenser
43---evaporimeter 44---expansion valve
45---refrigerant tubing 5---air dewetting heating component
51---regenerator 52---hot side blast pipe
53---hot side air-out pipe 54---cold side blast pipe
55---cold side discharge pipe 6---waste heat gathers thermal storage device
61---thermal storage device upper cover 611---thermal-arrest layer
612---upper heat-insulation layer 613---upper coat of metal
614---heat collector cavity 62---thermal storage device lower cover
621---lower heat-insulation layer 622---lower coat of metal
63---thermal storage device blast pipe 64---thermal storage device discharge pipe
65---thermal-arrest metallic conduit 66---dividing plate
67---thermal-arrest passage 68---heat-conducting block
69---tapered end 610---straight body
7---intelligence control system 8---magnetic valve
9---auxiliary heater 100---airflow pipe.
Detailed description of the invention
Below in conjunction with concrete embodiment, the present invention will be described.
As shown in Figures 1 to 7, a kind of residual heat of injection molding machine collects heat accumulation EGR, include the afterheat collecting, storing circulatory system and be installed in injection machine upper end and for the heat preservation and dryness bucket 1 of splendid attire sizing material, the afterheat collecting, storing circulatory system include filter 2, circulating fan 3, heat pump components 4, air dewetting heating component 5 and to be set in outside the heater of plastic melting barrel of injection molding machine and for collecting heater work time the waste heat of heat that distributes gather thermal storage device 6.
Wherein, filter 2 includes filter 2 housing and filtration core 23, filter 2 housing includes filter matrix 21 and is installed in the filter cover plate 22 of filter matrix 21 upper end, the inside of filter matrix 21 forms the accommodating cavity 211 towards upper shed, filter cover plate 22 mounts cover accommodating cavity 211 opening part in filter matrix 21, filtration core 23 is flush-mounted in the accommodating cavity 211 of filter matrix 21, the center of filtration core 23 offers the suit hole 231 run through completely up and down, the bottom of filter matrix 21 is fitted with the filter outlet pipe 24 in hollow form, the upper end of filter outlet pipe 24 is run through the bottom of filter matrix 21 and extends upwardly in accommodating cavity 211, the bottom of filter outlet pipe 24 extends to the bottom lower end side of filter matrix 21, the middle part of filter outlet pipe 24 is welded and is fixed on the bottom of filter matrix 21, the bracing frame 25 that the upper end of filter outlet pipe 24 is welded in arch shape, bracing frame 25 include the gripper shoe 251 of horizontal-extending and two vertically extend and symmetrical spaced apart feet 252, the bottom of two feets 252 is welded respectively and is fixed on the upper end-face edge portion of filter outlet pipe 24, gripper shoe 251 to be connected with between the upper end of two feets 252 and gripper shoe 251 and two feets 252 one-body molded, the upper end side of gripper shoe 251 is equiped with the vertical set bolt 253 extended, the bottom of set bolt 253 is welded and is fixed on the upper surface of gripper shoe 251, in the suit hole 231 that the upper end of filter outlet pipe 24 is intercalated in the filtration core 23 and upper end of set bolt 253 extends to the upper end side of filtration core 23, the upper end of set bolt 253 is screwed with hold-down nut 254, filtration core 23 is installed between the bottom of hold-down nut 254 and filter matrix 21, filter cover plate 22 is welded the filter air inlet pipe 26 be fixed with in hollow form, the bottom of filter air inlet pipe 26 penetrates filter cover plate 22 and extends in the accommodating cavity 211 of filter matrix 21, and the upper end being welded and fixed air inlet pipe extends to the upper end side of filter cover plate 22.
Further, waste heat gathers thermal storage device 6 and includes interconnective thermal storage device upper cover 61 and thermal storage device lower cover 62, thermal storage device upper cover 61 includes the thermal-arrest layer 611 stacking gradually layout from inside to outside, upper heat-insulation layer 612 and upper coat of metal 613, upper heat-insulation layer 612 and thermal-arrest layer 611 interval are arranged and are provided with heat collector cavity 614 between upper heat-insulation layer 612 and thermal-arrest layer 611, the corresponding heat collector cavity 614 of thermal storage device upper cover 61 is fitted with the thermal storage device blast pipe 63 for being directed into by air in heat collector cavity 614 and is used for the thermal storage device discharge pipe 64 of the air derivation in heat collector cavity 614, thermal storage device lower cover 62 includes the lower heat-insulation layer 621 and lower coat of metal 622 that stack gradually layout from inside to outside.
Further, heat pump components 4 includes compressor 41, condenser 42, evaporimeter 43, expansion valve 44, compressor 41 outlet be connected by the entrance of refrigerant tubing 45 with condenser 42, the outlet of condenser 42 is connected by the entrance of refrigerant tubing 45 with evaporimeter 43, the outlet of evaporimeter 43 is connected by the entrance of refrigerant tubing 45 with compressor 41, and expansion valve 44 is installed in the refrigerant tubing 45 between the entrance of evaporimeter 43 and the outlet of condenser 42.
In addition, air dewetting heating component 5 includes regenerator 51, the hot side of regenerator 51 is fitted with hot side blast pipe 52 and hot side air-out pipe 53, the cold side of regenerator 51 is fitted with cold side blast pipe 54 and cold side discharge pipe 55, hot side air-out pipe 53 and cold side blast pipe 54 are connected with evaporimeter 43 respectively by airflow pipe 100, air inlet and the cold side discharge pipe 55 of circulating fan 3 are connected with condenser 42 respectively by airflow pipe 100, and the cold side of regenerator 51 is fitted with the water draining beak of condensed water being discharged regenerator 51.
The afterheat collecting, storing circulatory system of the present invention realizes air circulation flow by following pipeline connected mode, be specially: the air outlet of heat preservation and dryness bucket 1 upper end is connected with filter 2 blast pipe by airflow pipe 100, filter 2 discharge pipe is connected with thermal storage device blast pipe 63 by airflow pipe 100, thermal storage device discharge pipe 64 is connected with the hot side blast pipe 52 of regenerator 51 by airflow pipe 100, and the air outlet of circulating fan 3 is connected with the air inlet of heat preservation and dryness bucket 1 bottom by airflow pipe 100.
Need point out further, this residual heat of injection molding machine is collected heat accumulation EGR and is also included intelligence control system 7, intelligence control system 7 is electrically connected with circulating fan 3, compressor 41 respectively, namely the present invention is coordinated by intelligence control system 7 and the duty of controlled circulation blower fan 3, compressor 41, and then controls whole course of action.
For filter 2, enter to the filtering paper structure of the air permeable filtration core 23 of accommodating cavity 211 through filter air inlet pipe 26 and enter in the suit hole 231 of filtration core 23, the dust granules thing in passed through air can be filtered out by its filtering paper structure by filtration core 23 effectively; The air entered in the suit hole 231 of filtration core 23 enters in filter outlet pipe 24 via the gap between two feets 252 again; Upper end due to filter outlet pipe 24 extends to the bottom upper end side of filter matrix 21, in the process changing filtration core 23, the dust that filtration core 23 accumulates is difficult to fall into in filter outlet pipe 24, and then effectively avoids causing secondary pollution to the plastics in heat preservation and dryness bucket 1 when using.In addition, filtration core 23 of the present invention holds fixing by the hold-down nut 254 being bolted in set bolt 253 upper end, and in the process of handling filtration core 23, staff only need screw or unscrew hold-down nut 254, and operation is very easy.
Gather for thermal storage device 6 for waste heat, its thermal storage device upper cover 61 and thermal storage device lower cover 62 realize assembly connection by snap fit, and certainly, above-mentioned assembly connection mode is not construed as limiting the invention.During work, thermal storage device upper cover 61 and thermal storage device lower cover 62 fit over plastic melting barrel of injection molding machine periphery, the heat conduction that thermal-arrest layer 611 comes out when contacting the heater of plastic melting barrel of injection molding machine periphery and worked by heater is in heat collector cavity 614, upper heat-insulation layer 612 can play the effect of insulation, upper coat of metal 613 is mainly as the outer layer metal safeguard structure of thermal storage device upper cover 61, under the function of heat insulation of upper heat-insulation layer 612, heat is stored in the heat collector cavity 614 of thermal storage device upper cover 61; Same, for thermal storage device lower cover 62, lower heat-insulation layer 621 also mainly plays the effect of heat-insulation and heat-preservation, and lower coat of metal 622 is mainly as the outer layer metal safeguard structure of lower cover; The air entered to via thermal storage device blast pipe 63 in heat collector cavity 614 is finally discharged via thermal storage device discharge pipe 64, and at air in the process of heat collector cavity 614, absorption of air heat also completes heating.
For heat pump components 4 and air dewetting heating component 5, the damp-heat air carrying moisture enters to the hot side of regenerator 51 by hot side blast pipe 52, the damp-heat air entering to the hot side of regenerator 51 is again via hot side air-out pipe 53, evaporimeter 43, cold side blast pipe 54 and enter to the cold side of regenerator 51, and the air entering to the cold side of regenerator 51 is finally via cold side discharge pipe 55, condenser 42 and discharging, wherein, damp-heat air through and contact evaporator 43 time meet cold, steam in damp-heat air condenses into the globule and finally to discharge via corresponding drain structure, air through evaporimeter 43 cooling processing enters to the cold side of regenerator 51, now, the air of regenerator 51 cold side and the air of the hot side of regenerator 51 carry out exchange heat, steam in the damp-heat air of the hot side of regenerator 51 also condenses into the globule when exchange heat and discharges via water draining beak, through the air of regenerator 51 cold side through cold side discharge pipe 55 through and in contact condenser 42, condenser 42 further to heat up heating to passed through air.
Below in conjunction with concrete course of action, the present invention is described in detail, be specially: by heat preservation and dryness bucket 1 air outlet discharge and air containing a large amount of steam via airflow pipe 100, filter 2 blast pipe and enter in the accommodating cavity 211 of filter matrix 21, this air is through filtration core 23 and dust granules thing entrained in this air of filtration core 23 filtering, air after filter core 23 filters is through filter 2 discharge pipe, airflow pipe 100, thermal storage device blast pipe 63 and enter to waste heat gather thermal storage device 6 heat collector cavity 614 in, through heat collector cavity 614 absorption of air heat and to be heated and final via thermal storage device discharge pipe 64, the hot side blast pipe 52 of airflow pipe 100 and regenerator 51 and enter to the hot side of regenerator 51, enter to the air of the hot side of regenerator 51 finally via hot side air-out pipe 53, airflow pipe 100 and pass into evaporimeter 43, through the air of evaporator 43 cooling refrigeration process again via airflow pipe 100, cold side blast pipe 54 and enter to regenerator 51 cold side, enter to the air of regenerator 51 cold side finally via cold side discharge pipe 55, airflow pipe 100 and pass into in circulating fan 3, the air inlet of air finally via airflow pipe 100 via heat preservation and dryness bucket 1 entered in circulating fan 3 enters in heat preservation and dryness bucket 1 again, to realize carrying out circulating-heating drying process to the sizing material in heat preservation and dryness bucket 1.
Comprehensive above-mentioned situation is known, the heat that the present invention distributes when can recycle the heater work of plastic melting barrel of injection molding machine also carries out removal moisture drying process to the sizing material in heat preservation and dryness bucket 1, and energy-conserving and environment-protective also can improve the working environment of the workplaces such as workshop effectively.
As preferred embodiment, as shown in Figure 6, the outer race of filter matrix 21 is equipped with the heat insulation retaining wall 27 in entirely enclosing shape, the inner surface of heat insulation retaining wall 27 and the outer surface interval of filter matrix 21 are arranged, be equiped with middle connecting plate 28 between the upper end of heat insulation retaining wall 27 and the upper end of filter matrix 21, middle connecting plate 28 welds with the upper end of heat insulation retaining wall 27 and the upper end of filter matrix 21 respectively.Because the outer surface interval of heat insulation retaining wall 27 and filter matrix 21 is arranged, in the process that the present invention filters the damp-heat air that heat preservation and dryness bucket 1 is discharged, air layer structure between heat insulation retaining wall 27 and filter matrix 21 outer surface can play good heat-blocking action, and then can effectively avoid unnecessary thermal source to waste.
As preferred embodiment, as shown in Figure 6, be equiped with O-ring seal 29 between the bottom of filter matrix 21 and the lower surface of filtration core 23, O-ring seal 29 is installed between the lower surface of filtration core 23 and the bottom of filter matrix 21.Wherein, O-ring seal 29 mainly plays seal isolation effect, the gap of the air namely mainly preventing from carrying secretly dust between filter core 23 and the bottom of filter matrix 21 and flowing in filter outlet pipe 24.
As preferred embodiment, as shown in Figure 6, filter cover plate 22 offers and runs through completely up and down and the through hole be communicated with the accommodating cavity 211 of filter matrix 21, is embedded with the damper for regulating outside air to enter to the air capacity in accommodating cavity 211 in through hole.In the course of work of the present invention, the damper being arranged in filter cover plate 22 can increase the air capacity of whole residual heat of injection molding machine recovery of circulatory system by introducing outside air, and when too high temperature of air in whole system, the cool ambient air introduced by damper can realize the effect of lowering the temperature.
As preferred embodiment, as shown in Figure 1, the airflow pipe 100 connecting thermal storage device blast pipe 63 be provided with magnetic valve 8 between the airflow pipe 100 being connected thermal storage device discharge pipe 64, wherein, magnetic valve 8 is electrically connected with intelligence control system 7.Magnetic valve 8 of the present invention only has unlatching, cuts out two states, when the temperature in heat preservation and dryness bucket 1 is higher and needs reduction enters the air themperature of its inside, magnetic valve 8 is in opening, the portion of air flowing into the conveyance conduit that waste heat gathers between the thermal storage device blast pipe 63 of thermal storage device 6 and filter 2 discharge pipe gathers thermal storage device 6 without waste heat and heats, and namely adds quantity of hot air to realize cooling action to reduce; When the temperature in heat preservation and dryness bucket 1 is lower and needs raising enters the air themperature of its inside, magnetic valve 8 is in closed condition, the air that filter 2 discharge pipe is discharged all enters in waste heat collection thermal storage device 6 and heats, namely to add quantity of hot air to realize intensification action.
As preferred embodiment, as shown in Figure 3, be embedded with the thermal-arrest metallic conduit 65 in hollow form in heat collector cavity 614, the air inlet of thermal-arrest metallic conduit 65 is connected with thermal storage device blast pipe 63, and the air outlet of thermal-arrest metallic conduit 65 is connected with thermal storage device discharge pipe 64.During work, the heat conduction in heat collector cavity 614, to thermal-arrest metallic conduit 65, flows through in the process of thermal-arrest metallic conduit 65 at air, and absorption of air heat is also heated.
As preferred embodiment, as shown in Figure 4, the inside of heat collector cavity 614 is equiped with the dividing plate 66 of the arrangement in uniform intervals, thermal-arrest passage 67 is formed between two adjacent dividing plates 66, all thermal-arrest passages 67 are connected in series successively, the air inlet of the thermal-arrest passage assembly be connected in series successively by each thermal-arrest passage 67 is connected with thermal storage device blast pipe 63, and the air outlet of thermal-arrest passage assembly is connected with thermal storage device discharge pipe 64.Wherein, in order to improve heat conduction efficiency further, the present invention can installing and thermal-arrest layer 611 touch and in the heat-conducting block 68 of fin-like, the heat that heat-conducting block 68 can accelerate thermal-arrest layer 611 is distributed in thermal-arrest passage 67 respectively in each thermal-arrest passage 67.
As preferred embodiment, as shown in Figure 5, upper cover is provided with the tapered end 69 of the conical section being set in plastic melting barrel of injection molding machine and is set in the straight body 610 of flat segments of plastic melting barrel of injection molding machine, and tapered end 69 is connected from front to back successively with straight body 610.Thermal storage device upper cover 61 is designed to straight body 610 and tapered end 69 combining structure by the present invention, its object is to: fitted by the conical section of tapered end 69 with plastic melting barrel of injection molding machine, and then the heat utilizing the conical section of plastic melting barrel of injection molding machine to distribute, to improve Heat-collecting effect of the present invention.
As preferred embodiment, as shown in Figure 1, the periphery connecting the airflow pipe 100 of the air inlet of heat preservation and dryness bucket 1 and the air outlet of circulating fan 3 is sheathed with auxiliary heater 9, and auxiliary heater 9 is electrically connected with intelligence control system 7.Wherein, auxiliary heat collector can play the effect of auxiliary heating, and when entering to the air themperature in heat preservation and dryness bucket 1 and being lower, the present invention carries out auxiliary heating process by auxiliary heater 9 to air.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (10)
1. a residual heat of injection molding machine collects heat accumulation EGR, include the afterheat collecting, storing circulatory system and be installed in injection machine upper end and for the heat preservation and dryness bucket (1) of splendid attire sizing material, it is characterized in that: the afterheat collecting, storing circulatory system include filter (2), circulating fan (3), heat pump components (4), air dewetting heating component (5) and to be set in outside the heater of plastic melting barrel of injection molding machine and for collecting heater work time the waste heat of heat that distributes gather thermal storage device (6);
Filter (2) includes filter (2) housing and filtration core (23), filter (2) housing includes filter matrix (21) and is installed in the filter cover plate (22) of filter matrix (21) upper end, the inside of filter matrix (21) forms the accommodating cavity (211) towards upper shed, filter cover plate (22) mounts cover accommodating cavity (211) opening part in filter matrix (21), filtration core (23) is flush-mounted in the accommodating cavity (211) of filter matrix (21), the center of filtration core (23) offers the suit hole (231) run through completely up and down, the bottom of filter matrix (21) is fitted with the filter outlet pipe (24) in hollow form, the upper end of filter outlet pipe (24) is run through the bottom of filter matrix (21) and extends upwardly in accommodating cavity (211), the bottom of filter outlet pipe (24) extends to the bottom lower end side of filter matrix (21), the middle part of filter outlet pipe (24) is welded and is fixed on the bottom of filter matrix (21), the bracing frame (25) that the upper end of filter outlet pipe (24) is welded in arch shape, bracing frame (25) include the gripper shoe (251) of horizontal-extending and two vertically extend and symmetrical spaced apart feet (252), the bottom of two feets (252) is welded respectively and is fixed on the upper end-face edge portion of filter outlet pipe (24), gripper shoe (251) is connected with between the upper end of two feets (252) and gripper shoe (251) is one-body molded with two feets (252), the upper end side of gripper shoe (251) is equiped with the vertical set bolt (253) extended, the bottom of set bolt (253) is welded and is fixed on the upper surface of gripper shoe (251), in the suit hole (231) that the upper end of filter outlet pipe (24) is intercalated in filtration core (23) and the upper end of set bolt (253) extends to the upper end side of filtration core (23), the upper end of set bolt (253) is screwed with hold-down nut (254), filtration core (23) is installed between the bottom of hold-down nut (254) and filter matrix (21), filter cover plate (22) is welded the filter air inlet pipe (26) be fixed with in hollow form, the bottom of filter air inlet pipe (26) penetrates filter cover plate (22) and extends in the accommodating cavity (211) of filter matrix (21), and the upper end being welded and fixed air inlet pipe extends to the upper end side of filter cover plate (22),
Waste heat gathers thermal storage device (6) and includes interconnective thermal storage device upper cover (61) and thermal storage device lower cover (62), thermal storage device upper cover (61) includes the thermal-arrest layer (611) stacking gradually layout from inside to outside, upper heat-insulation layer (612) and upper coat of metal (613), upper heat-insulation layer (612) and thermal-arrest layer (611) interval are arranged and are provided with heat collector cavity (614) between upper heat-insulation layer (612) and thermal-arrest layer (611), thermal storage device upper cover (61) corresponding heat collector cavity (614) is fitted with for air being directed into the thermal storage device blast pipe (63) in heat collector cavity (614) and the thermal storage device discharge pipe (64) for being derived by the air in heat collector cavity (614), thermal storage device lower cover (62) includes the lower heat-insulation layer (621) and lower coat of metal (622) that stack gradually layout from inside to outside,
Heat pump components (4) includes compressor (41), condenser (42), evaporimeter (43), expansion valve (44), compressor (41) outlet be connected by the entrance of refrigerant tubing (45) with condenser (42), the outlet of condenser (42) is connected by the entrance of refrigerant tubing (45) with evaporimeter (43), the outlet of evaporimeter (43) is connected by the entrance of refrigerant tubing (45) with compressor (41), and expansion valve (44) is installed in the refrigerant tubing (45) between the entrance of evaporimeter (43) and the outlet of condenser (42);
Air dewetting heating component (5) includes regenerator (51), the hot side of regenerator (51) is fitted with hot side blast pipe (52) and hot side air-out pipe (53), the cold side of regenerator (51) is fitted with cold side blast pipe (54) and cold side discharge pipe (55), hot side air-out pipe (53) and cold side blast pipe (54) are connected with evaporimeter (43) respectively by airflow pipe (100), air inlet and the cold side discharge pipe (55) of circulating fan (3) are connected with condenser (42) respectively by airflow pipe (100), the cold side of regenerator (51) is fitted with the water draining beak of condensed water being discharged regenerator (51),
The air outlet of heat preservation and dryness bucket (1) upper end is connected with filter (2) blast pipe by airflow pipe (100), filter (2) discharge pipe is connected with thermal storage device blast pipe (63) by airflow pipe (100), thermal storage device discharge pipe (64) is connected with hot side blast pipe (52) of regenerator (51) by airflow pipe (100), and the air outlet of circulating fan (3) is connected with the air inlet of heat preservation and dryness bucket (1) bottom by airflow pipe (100);
This residual heat of injection molding machine is collected heat accumulation EGR and is also included intelligence control system (7), and intelligence control system (7) is electrically connected with circulating fan (3), compressor (41) respectively.
2. a kind of residual heat of injection molding machine according to claim 1 collects heat accumulation EGR, it is characterized in that: the outer race of described filter matrix (21) is equipped with the heat insulation retaining wall (27) in entirely enclosing shape, the inner surface of heat insulation retaining wall (27) and the outer surface interval of filter matrix (21) are arranged, be equiped with middle connecting plate (28) between the upper end of heat insulation retaining wall (27) and the upper end of filter matrix (21), middle connecting plate (28) welds with the upper end of heat insulation retaining wall (27) and the upper end of filter matrix (21) respectively.
3. a kind of residual heat of injection molding machine according to claim 2 collects heat accumulation EGR, it is characterized in that: be equiped with O-ring seal (29) between the bottom of described filter matrix (21) and the lower surface of described filtration core (23), O-ring seal (29) is installed between the lower surface of filtration core (23) and the bottom of filter matrix (21).
4. a kind of residual heat of injection molding machine according to claim 2 collects heat accumulation EGR, it is characterized in that: described filter cover plate (22) offers runs through and the through hole be communicated with the accommodating cavity (211) of described filter matrix (21) up and down completely, is embedded with the damper for regulating outside air to enter to the air capacity in accommodating cavity (211) in through hole.
5. a kind of residual heat of injection molding machine according to claim 4 collects heat accumulation EGR, it is characterized in that: the airflow pipe (100) connecting described thermal storage device blast pipe (63) is provided with magnetic valve (8) with between the airflow pipe (100) being connected described thermal storage device discharge pipe (64).
6. a kind of residual heat of injection molding machine according to claim 5 collects heat accumulation EGR, it is characterized in that: in described heat collector cavity (614), be embedded with the thermal-arrest metallic conduit (65) in hollow form, the air inlet of thermal-arrest metallic conduit (65) is connected with described thermal storage device blast pipe (63), and the air outlet of thermal-arrest metallic conduit (65) is connected with described thermal storage device discharge pipe (64).
7. a kind of residual heat of injection molding machine according to claim 5 collects heat accumulation EGR, it is characterized in that: the inside of described heat collector cavity (614) is equiped with the dividing plate (66) of the arrangement in uniform intervals, thermal-arrest passage (67) is formed between two adjacent dividing plates (66), all thermal-arrest passages (67) are connected in series successively, the air inlet of the thermal-arrest passage assembly be connected in series successively by each thermal-arrest passage (67) is connected with described thermal storage device blast pipe (63), and the air outlet of thermal-arrest passage assembly is connected with described thermal storage device discharge pipe (64).
8. a kind of residual heat of injection molding machine according to claim 7 collects heat accumulation EGR, it is characterized in that: be equiped with respectively in each described thermal-arrest passage (67) and touch with described thermal-arrest layer (611) and heat-conducting block (68) in fin-like.
9. a kind of residual heat of injection molding machine according to claim 1 to 8 any one collects heat accumulation EGR, it is characterized in that: described upper cover is provided with the tapered end (69) of the conical section being set in plastic melting barrel of injection molding machine and is set in the straight body (610) of flat segments of plastic melting barrel of injection molding machine, and tapered end (69) is connected from front to back successively with straight body (610).
10. a kind of residual heat of injection molding machine according to claim 9 collects heat accumulation EGR, it is characterized in that: the periphery connecting the airflow pipe (100) of the air inlet of described heat preservation and dryness bucket (1) and the air outlet of described circulating fan (3) is sheathed with auxiliary heater (9), and auxiliary heater (9) is electrically connected with described intelligence control system (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510043010.8A CN104608321A (en) | 2015-01-28 | 2015-01-28 | Waste heat collection and heat storage circulating device for injection molding machine |
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| CN201510043010.8A CN104608321A (en) | 2015-01-28 | 2015-01-28 | Waste heat collection and heat storage circulating device for injection molding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113927788A (en) * | 2021-10-11 | 2022-01-14 | 严仁苹 | Material guiding system with thermal cycle constant temperature effect for plastic product production |
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| DE3212796C1 (en) * | 1982-04-06 | 1983-11-03 | Wolfgang 5253 Lindlar Oehm | Injection-moulding machine with utilisation of waste heat from the hydraulic oil by means of a low-temperature heating apparatus |
| CN202011133U (en) * | 2011-04-06 | 2011-10-19 | 吴焕雄 | Device for collecting and storing residual heat of injection molding machine |
| CN202048753U (en) * | 2011-04-25 | 2011-11-23 | 吴焕雄 | Afterheat collecting, storing and circulating device for injection moulding machine |
| CN202412639U (en) * | 2011-10-26 | 2012-09-05 | 吴焕雄 | Structurally improved waste heat collecting and heat accumulation circulating device of injection molding machine |
| CN104476720A (en) * | 2014-11-20 | 2015-04-01 | 吴焕雄 | Waste heat collection and storage circulating device for injection molding machine |
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- 2015-01-28 CN CN201510043010.8A patent/CN104608321A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3212796C1 (en) * | 1982-04-06 | 1983-11-03 | Wolfgang 5253 Lindlar Oehm | Injection-moulding machine with utilisation of waste heat from the hydraulic oil by means of a low-temperature heating apparatus |
| CN202011133U (en) * | 2011-04-06 | 2011-10-19 | 吴焕雄 | Device for collecting and storing residual heat of injection molding machine |
| CN202048753U (en) * | 2011-04-25 | 2011-11-23 | 吴焕雄 | Afterheat collecting, storing and circulating device for injection moulding machine |
| CN202412639U (en) * | 2011-10-26 | 2012-09-05 | 吴焕雄 | Structurally improved waste heat collecting and heat accumulation circulating device of injection molding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113927788A (en) * | 2021-10-11 | 2022-01-14 | 严仁苹 | Material guiding system with thermal cycle constant temperature effect for plastic product production |
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