CN110171093B - Foaming injection mold for production of uniform feeding mixed injection - Google Patents
Foaming injection mold for production of uniform feeding mixed injection Download PDFInfo
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- CN110171093B CN110171093B CN201910534556.1A CN201910534556A CN110171093B CN 110171093 B CN110171093 B CN 110171093B CN 201910534556 A CN201910534556 A CN 201910534556A CN 110171093 B CN110171093 B CN 110171093B
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- injection
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
- B29C44/424—Details of machines
- B29C44/425—Valve or nozzle constructions; Details of injection devices
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
- B29C44/428—Mould constructions; Mould supporting equipment
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/762—Household appliances
- B29L2031/7622—Refrigerators
Abstract
The invention relates to the technical field of foaming molds and discloses a foaming injection mold for production of uniform feeding mixed injection, which comprises a platform, wherein an injection box, a lower mold and two groups of support columns are fixedly arranged at the top of the platform, an injection pipe is communicated between the right side surface of the injection box and the left side wall of the lower mold, a first one-way valve is arranged on the injection pipe, a piston is movably connected between the inner walls of the injection box, a support plate is fixedly arranged between the tops of the two groups of support columns, two automatic proportioning boxes are arranged at the top of the support plate, a mixing box and two hydraulic cylinders are fixedly arranged at the bottom of the support plate, and a pressing plate is fixedly arranged between the bottom ends of the two hydraulic cylinders. The invention solves the problems that the proportioning of foaming raw materials and a catalyst is manually finished in the foaming processing of the existing refrigerator, the automation degree is low, the proportioning proportion error is large, the foaming quality is influenced, the production working efficiency is low, and the operation steps are complicated.
Description
Technical Field
The invention relates to the technical field of foaming molds, in particular to a foaming injection mold for production with uniform feeding, mixing and injection.
Background
The refrigerator is a refrigerating device which keeps constant low temperature, and is a civil product which keeps food or other articles in a constant low-temperature cold state. The refrigerator foaming process refers to that foaming raw materials (MDI, combined polyether and foaming agent) meeting certain technical standards are injected into a door body or a box body through polyurethane foaming equipment according to certain process requirements, and the process of carrying out chemical reaction under certain process conditions is refrigerator polyurethane foaming. Foaming can provide good specific strength, dimensional stability, adhesive property and heat preservation property for the refrigerator.
Refrigerator foaming mould is at the foaming during operation, need separately deposit the foaming raw materials and the catalyst of group composition foaming agent alone, is adding the injection by the manual work and is accomplished the ratio to foaming raw materials and catalyst, can have certain error, influences the effect of foaming to the ratio material loading all needs the manual work to go on at every turn, unusual inconvenience during the operation, work efficiency is low.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a production foaming injection mold for uniform feeding, mixing and injection, which solves the problems that the foaming processing of the existing refrigerator is manually completed on the ratio of foaming raw materials and catalysts, the automation degree is low, the ratio proportion error is large, the foaming quality is influenced, the production work efficiency is low, and the operation steps are complicated.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a foaming injection mold for production of uniform-loading mixed injection comprises a platform, wherein an injection box, a lower mold and two groups of support columns are fixedly mounted at the top of the platform, an injection pipe is communicated between the right side surface of the injection box and the left side wall of the lower mold, a first one-way valve is mounted on the injection pipe, a piston is movably connected between the inner walls of the injection box, a support plate is fixedly mounted between the tops of the two groups of support columns, two automatic proportioning boxes are arranged at the top of the support plate, a mixing box and two hydraulic cylinders are fixedly mounted at the bottom of the support plate, a pressing plate is fixedly mounted between the bottoms of the two hydraulic cylinders, an upper mold is fixedly mounted at the bottom of the pressing plate, a guide pipe is fixedly mounted between the bottom of the mixing box and the top of the injection box, a second one-way valve is mounted on the guide pipe, and a, stirring rods which are uniformly arranged are fixedly arranged on the outer circular surface of the rotating rod, the left end of the rotating rod penetrates through the mixing box and is rotatably connected with the side surface of the supporting column on the left side, a motor is fixedly arranged on the side surface of the supporting column on the left side, a screw rod is arranged on an output shaft of the motor, the right end of the screw rod sequentially penetrates through the left side wall of the injection box and the piston and is rotatably connected with the right side inner wall of the injection box, belt pulleys are sleeved on the outer circular surface of the screw rod and the outer circular surface of the rotating rod, and the two belt pulleys are in transmission;
the automatic proportioning box comprises an outer box, the bottom of the outer box is fixedly connected to the top of a supporting plate, the top and the bottom of the outer box are communicated with guide pipes, a first electromagnetic valve and a second electromagnetic valve are respectively arranged on the upper guide pipe and the lower guide pipe, the left side wall and the right side wall of the outer box are respectively provided with a sliding chute, the inner bottom wall of the sliding chute is fixedly provided with a spring, a sleeve plate is fixedly arranged between the tops of the two springs, the middle part of the sleeve plate is fixedly provided with a weighing box, the top and the bottom of the weighing box are respectively fixedly provided with a hose, one end of each hose is communicated with one end of each of the two guide pipes, the right side surface of the weighing box is fixedly provided with an electromagnet and a first copper sheet, the bottom of the sleeve plate is hinged with a support, the left side surface of the support is fixedly provided with an iron block, the bottom end of the support, the right flank fixed mounting of fixed block has the third copper sheet, the bottom fixedly connected with riser of lagging, the left surface fixed mounting of riser has the fourth copper sheet, the interior roof fixed mounting of outer container has the baffle, and the bottom of baffle runs through and extends to the below of lagging.
Preferably, the bottom of the mixing box is inclined.
Preferably, four corners of the bottom of the platform are provided with bases.
Preferably, a sealing ring is arranged on the outer circular surface of the side edge of the piston.
Preferably, the first one-way valve is a feed valve, and the second one-way valve is a discharge valve.
Preferably, the two automatic proportioning boxes are respectively filled with foaming raw materials and catalysts.
Preferably, the left side face of the iron block is attached to the right side face of the partition plate, and the left lower end of the partition plate is in a forty-five degree corner cut shape.
Preferably, the first copper sheet and the second copper sheet are electrically connected with the first electromagnetic valve through leads.
Preferably, the third copper sheet and the fourth copper sheet are electrically connected with the second electromagnetic valve through conducting wires.
(III) advantageous effects
Compared with the prior art, the invention provides a production foaming injection mold for uniform feeding mixed injection, which has the following beneficial effects:
1. according to the invention, through the partition plate, when the sleeve plate moves downwards, the iron block and the electromagnet are mutually attracted and contacted to drive the support to swing to the left, the third copper sheet is separated from the fourth copper sheet, the second electromagnetic valve is powered off, the upper material guide pipe is closed to stop feeding, the first copper sheet is contacted with the second copper sheet at the moment, the first electromagnetic valve is powered on and opened to carry out discharging operation, automatic quantitative feeding and discharging are effectively realized, the ratio proportion of foaming raw materials and catalysts is accurately controlled, the two hands of workers can be liberated at the same time, and the working efficiency is improved.
2. According to the invention, through the arranged hose, the tightness between the material guide pipe and the material weighing box can be still maintained when the material weighing box moves up and down, and the phenomenon of material leakage is avoided.
3. According to the invention, the foaming raw materials and the catalyst which are proportioned in the mixing box can be fully mixed through the arranged stirring rod, so that the quality of later-stage foaming is improved.
4. According to the foaming device, the first check valve and the second check valve are arranged, when the piston moves towards the left side, negative pressure is generated on the right side of the piston, the foaming agent mixed in the mixing box is guided into the injection box through the guide pipe, when the piston moves towards the right side, the foaming agent is injected into the lower die from the injection pipe, quantitative and cyclic injection is carried out, and foaming efficiency is greatly improved.
5. According to the invention, through the two belt wheels and the belt, the screw rod can be driven to rotate and the rotating rod can be driven to rotate simultaneously under the action of the motor, the left and right movement of the piston is combined with the stirring operation of the stirring rod, the energy consumption is reduced, and the stirring rod is more environment-friendly.
Drawings
FIG. 1 is a cross-sectional view of a foaming injection mold for production of homogeneous charge mixing injection according to the present invention;
FIG. 2 is a cross-sectional view of the automatic proportioning box of the present invention;
fig. 3 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention.
In the figure: 1 platform, 2 injection boxes, 3 lower dies, 4 support columns, 5 injection pipes, 6 first one-way valves, 7 pistons, 8 support plates, 9 automatic proportioning boxes, 91 outer boxes, 92 material guide pipes, 93 first electromagnetic valves, 94 second electromagnetic valves, 95 springs, 96 sleeve plates, 97 material weighing boxes, 98 hoses, 99 electromagnets, 910 first copper sheets, 911 supports, 912 iron blocks, 913 fixed blocks, 914 second copper sheets, 915 third copper sheets, 916 risers, 917 fourth copper sheets, 918 partition plates, 10 mixing boxes, 11 hydraulic cylinders, 12 pressing plates, 13 upper dies, 14 guide pipes, 15 second one-way valves, 16 rotating rods, 17 stirring rods, 18 motors, 19 screw rods and 20 belt wheels.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the present invention provides a technical solution: a production foaming injection mold for uniform feeding mixed injection comprises a platform 1, four corners of the bottom of the platform 1 are respectively provided with a base, the top of the platform 1 is fixedly provided with an injection box 2, a lower mold 3 and two groups of support columns 4, an injection pipe 5 is communicated between the right side surface of the injection box 2 and the left side wall of the lower mold 3, the injection pipe 5 is provided with a first one-way valve 6, the first one-way valve 6 is a feeding valve, a second one-way valve 15 is a discharging valve, a piston 7 is movably connected between the inner walls of the injection box 2, a sealing ring is arranged on the outer circular surface of the side edge of the piston 7, when the piston 7 is effectively prevented from moving, foaming materials are extruded to the left side of the piston 7 to cause the situation of difficult discharging, a support plate 8 is fixedly arranged between the tops of the two groups of support columns 4, the top of the support plate 8 is provided with two automatic proportioning boxes 9, a mixing box 10 and two hydraulic cylinders 11 are fixedly arranged at the bottom of the supporting plate 8, the bottom of the mixing box 10 is inclined, so that the stirring rod 17 can be more effectively stirred for foaming raw materials and catalysts, on the other hand, the discharging work of the mixing box 10 is more convenient, the working efficiency is improved, a pressing plate 12 is fixedly arranged between the bottoms of the two hydraulic cylinders 11, an upper die 13 is fixedly arranged at the bottom of the pressing plate 12, a guide pipe 14 is fixedly arranged between the bottom of the mixing box 10 and the top of the injection box 2, a second one-way valve 15 is arranged on the guide pipe 14, a rotating rod 16 is rotatably connected to the left side of the inner wall of the mixing box 10, uniformly arranged stirring rods 17 are fixedly arranged on the outer circular surface of the rotating rod 16, the left end of the rotating rod 16 penetrates through the mixing box 10 and is rotatably connected with the side surface of the supporting column 4 positioned on the, a screw rod 19 is mounted on an output shaft of the motor 18, the right end of the screw rod 19 sequentially penetrates through the left side wall of the injection box 2 and the piston 7 and is rotatably connected with the right side inner wall of the injection box 2, belt wheels 20 are sleeved on the outer circular surface of the screw rod 19 and the outer circular surface of the rotating rod 16, and the two belt wheels 20 are in transmission connection through a belt;
the automatic proportioning box 9 comprises an outer box 91, the bottom of the outer box 91 is fixedly connected to the top of a support plate 8, the top and the bottom of the outer box 91 are both communicated with material guide pipes 92, a first electromagnetic valve 93 and a second electromagnetic valve 94 are respectively arranged on the upper material guide pipe 92 and the lower material guide pipe 92, the left side wall and the right side wall of the outer box 91 are both provided with chutes, inner bottom walls of the chutes are fixedly provided with springs 95, a sleeve plate 96 is fixedly arranged between the tops of the two springs 95, the middle part of the sleeve plate 96 is fixedly provided with a weighing box 97, the top and the bottom of the weighing box 97 are both fixedly provided with hoses 98, one ends of the two hoses 98 are respectively communicated with one ends of the two material guide pipes 92, the right side surface of the weighing box 97 is fixedly provided with an electromagnet 99 and a first copper sheet 910, the first copper sheet 910 and a second copper sheet 914 are electrically connected with the first electromagnetic valve 93 through leads, the bottom of the sleeve, the left side surface of the iron block 912 is attached to the right side surface of the partition 918, the left lower end of the partition 918 is in a forty-five degree cutting angle shape, the weighing box 97 can be effectively moved upwards to reset when the materials are discharged, the electromagnet 99 is separated from the iron block 912, so that the separation and power failure of the first copper sheet 910 and the second copper sheet 914 are realized, the first electromagnetic valve 93 is closed, the third copper sheet 915 is in contact with the fourth copper sheet 917, the second electromagnetic valve 94 is opened again, the materials are continuously fed into the weighing box 97, the automation is realized, the working efficiency is improved, the bottom end of the support 911 is fixedly provided with a fixed block 913, the left side surface of the fixed block 913 is fixedly provided with a second copper sheet 914, the right side surface of the fixed block 913 is fixedly provided with a third copper sheet 915, the third copper sheet 915 and the fourth copper sheet 917 are electrically connected with the second electromagnetic valve 94 through conducting wires, the bottom of the sleeve 96 is fixedly connected with, a partition 918 is fixedly installed on the inner top wall of the outer box 91, and the bottom end of the partition 918 penetrates and extends to the lower side of the sleeve plate 96.
The working principle is as follows: when the device works, the hydraulic cylinder 11 is started, the upper die 13 is pushed to be closed with the lower die 3, the device is powered on, the third copper sheet 915 and the fourth copper sheet 197 are electrified, the second electromagnetic valve 94 is opened to feed materials into the symmetrical material box 97, the material box 97 gradually moves downwards along with the increase of the weight, the sleeve plate 96 extrudes the spring 95 to shrink, the iron block 912 and the electromagnet 99 move downwards along with the material box until the materials move to the lower part of the partition plate 918, the electromagnet 99 attracts the iron block 912 to make the bracket 911 swing to the left side, the third copper sheet 915 is separated from the fourth copper sheet 917, the second electromagnetic valve 94 is powered off, the material guide pipe 92 on the upper part is closed to stop feeding, the first copper sheet 910 is in contact with the second copper sheet 914 at the moment, the first electromagnetic valve 93 is electrified to be opened, quantitative foaming raw materials and catalysts in the material box 97 enter the mixing box 10 through the material guide pipe 92, the motor 18 is started to drive the screw rod 19 and the rotating rod 16 to rotate, and the, and then the screw rod 19 drives the piston 7 to move leftwards, the right side of the piston 7 generates negative pressure, the stirred foaming material enters the injection box 2, the motor 18 is started to rotate reversely, the piston 7 is pushed to move rightwards, and the foaming material is injected into the lower die 3 through the injection pipe 5, so that the work is finished.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a production of even material loading mixing injection is with foaming injection mold, includes platform (1), its characterized in that: the injection molding machine is characterized in that an injection box (2), a lower die (3) and two groups of supporting columns (4) are fixedly mounted at the top of the platform (1), an injection pipe (5) is communicated between the right side face of the injection box (2) and the left side wall of the lower die (3), a first one-way valve (6) is mounted on the injection pipe (5), a piston (7) is movably connected between the inner walls of the injection box (2), a supporting plate (8) is fixedly mounted between the tops of the two groups of supporting columns (4), two automatic proportioning boxes (9) are arranged at the top of the supporting plate (8), a mixing box (10) and two hydraulic cylinders (11) are fixedly mounted at the bottom of the supporting plate (8), a pressing plate (12) is fixedly mounted between the bottoms of the two hydraulic cylinders (11), an upper die (13) is fixedly mounted at the bottom of the pressing plate (12), a guide pipe (14) is fixedly mounted between the bottom of the mixing, a second one-way valve (15) is installed on the conduit (14), a rotating rod (16) is rotatably connected to the left side of the inner wall of the mixing box (10), stirring rods (17) which are uniformly arranged are fixedly installed on the outer circular surface of the rotating rod (16), the left end of the rotating rod (16) penetrates through the mixing box (10) and is rotatably connected with the side surface of the supporting column (4) on the left side, a motor (18) is fixedly installed on the side surface of the supporting column (4) on the left side, a screw rod (19) is installed on an output shaft of the motor (18), the right end of the screw rod (19) sequentially penetrates through the left side wall of the injection box (2) and the piston (7) and is rotatably connected with the right side inner wall of the injection box (2), belt wheels (20) are sleeved on the outer circular surface of the screw rod (19) and the outer circular surface of the rotating rod (16);
the automatic proportioning box (9) comprises an outer box (91), the bottom of the outer box (91) is fixedly connected to the top of a support plate (8), the top and the bottom of the outer box (91) are communicated with material guide pipes (92), an upper material guide pipe and a lower material guide pipe (92) are respectively provided with a first electromagnetic valve (93) and a second electromagnetic valve (94), the left side wall and the right side wall of the outer box (91) are respectively provided with a sliding chute, a spring (95) is fixedly arranged on the inner bottom wall of the sliding chute, a sleeve plate (96) is fixedly arranged between the tops of the two springs (95), the middle of the sleeve plate (96) is fixedly provided with a weighing box (97), the top and the bottom of the weighing box (97) are respectively fixedly provided with a hose (98), one end of each hose (98) is respectively communicated with one end of each of the two material guide pipes (92), the right side face of the weighing box (97) is fixedly provided with a copper sheet (99) and, the bottom of lagging (96) articulates there is support (911), the left surface fixed mounting of support (911) has iron plate (912), the bottom fixed mounting of support (911) has fixed block (913), the left surface fixed mounting of fixed block (913) has second copper sheet (914), the right flank fixed mounting of fixed block (913) has third copper sheet (915), the bottom fixedly connected with riser (916) of lagging (96), the left surface fixed mounting of riser (916) has fourth copper sheet (917), the interior roof fixed mounting of outer container (91) has baffle (918), and the bottom of baffle (918) runs through and extends to the below of lagging (96).
2. The foaming injection mold for production of homogeneous charge mixing injection as set forth in claim 1, wherein: the bottom of the mixing box (10) is inclined.
3. The foaming injection mold for production of homogeneous charge mixing injection as set forth in claim 1, wherein: four corners of platform (1) bottom all are provided with the base.
4. The foaming injection mold for production of homogeneous charge mixing injection as set forth in claim 1, wherein: and a sealing ring is arranged on the outer circular surface of the side edge of the piston (7).
5. The foaming injection mold for production of homogeneous charge mixing injection as set forth in claim 1, wherein: the first one-way valve (6) is a feeding valve, and the second one-way valve (15) is a discharging valve.
6. The foaming injection mold for production of homogeneous charge mixing injection as set forth in claim 1, wherein: the two automatic proportioning boxes (9) are respectively filled with foaming raw materials and catalysts.
7. The foaming injection mold for production of homogeneous charge mixing injection as set forth in claim 1, wherein: the left side face of the iron block (912) is attached to the right side face of the partition plate (918), and the left lower end of the partition plate (918) is in a forty-five-degree corner cut shape.
8. The foaming injection mold for production of homogeneous charge mixing injection as set forth in claim 1, wherein: the first copper sheet (910) and the second copper sheet (914) are electrically connected with the first electromagnetic valve (93) through a lead.
9. The foaming injection mold for production of homogeneous charge mixing injection as set forth in claim 1, wherein: the third copper sheet (915) and the fourth copper sheet (917) are electrically connected with the second electromagnetic valve (94) through conducting wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910534556.1A CN110171093B (en) | 2019-06-20 | 2019-06-20 | Foaming injection mold for production of uniform feeding mixed injection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534556.1A CN110171093B (en) | 2019-06-20 | 2019-06-20 | Foaming injection mold for production of uniform feeding mixed injection |
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| CN110171093A CN110171093A (en) | 2019-08-27 |
| CN110171093B true CN110171093B (en) | 2021-04-16 |
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| CN110774608B (en) * | 2019-11-07 | 2021-07-23 | 化明松 | Automatic forming device for processing rubber products and using method thereof |
| CN113263670A (en) * | 2021-05-21 | 2021-08-17 | 安徽弘星家美装饰品有限公司 | A antifog mirror resin picture frame apparatus for producing for bathroom and bathroom |
| CN114734571B (en) * | 2022-05-09 | 2022-11-15 | 浩宇(嘉兴)工程建设有限公司 | Polyurethane insulation material injection molding equipment |
| CN115071157A (en) * | 2022-06-24 | 2022-09-20 | 江苏恒铭达航空设备有限公司 | Aviation composite winglet assembly forming process |
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