CN111016069A - Injection molding suction machine with overload and material shortage alarm functions - Google Patents
Injection molding suction machine with overload and material shortage alarm functions Download PDFInfo
- Publication number
- CN111016069A CN111016069A CN201911252275.3A CN201911252275A CN111016069A CN 111016069 A CN111016069 A CN 111016069A CN 201911252275 A CN201911252275 A CN 201911252275A CN 111016069 A CN111016069 A CN 111016069A
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- China
- Prior art keywords
- overload
- hopper
- injection molding
- dryer
- fan
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
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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
- B29C45/76—Measuring, controlling or regulating
-
- 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
- B29C45/84—Safety devices
-
- 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
- B29C2045/0096—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor drying the moulding material before injection, e.g. by heating
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an injection molding suction machine with overload and starved alarm functions, which comprises a hopper, a dryer, a fan and a microcomputer control unit, wherein a transition cylinder is arranged at the bottom of the hopper, a contact switch is arranged on the inner side surface of the transition cylinder, the bottom of the transition cylinder is connected with the dryer, and the bottom of the dryer is connected with a granule inlet of an injection molding machine. The upper part of the hopper is provided with an opening and is detachably connected with an upper cover, the top of the upper cover is provided with an air outlet, and the air outlet is connected with an air suction pipe; contact portion is provided with the sealing rubber ring on upper cover and the hopper, inside parcel filter screen, the aspiration channel other end connects gradually cartridge filter, fan, the fan exit is provided with the wind pressure sensor, fan, desicator, contact switch and the two-way UNICOM of microcomputer control unit. The invention has the advantages of overload alarm and material shortage alarm, high safety, capability of avoiding the condition that the work efficiency of waste products is reduced due to material shortage and the like, and capability of avoiding the pollution to the work environment.
Description
Technical Field
The invention belongs to the field of suction machines, and particularly relates to an injection molding suction machine with overload and material shortage alarm functions.
Background
Last generation injection molding machine needs the manual work to material loading in the hopper, and because the hopper setting consumes the manual work at injection molding machine upper portion eminence, consequently the injection molding machine disposes auto sucking machine more and more, auto sucking machine conveying capacity is strong, and production is stable, is the auxiliary assembly who realizes full automated production. The existing suction machine uses vacuum negative pressure to suck the granules in the storage box into the hopper, but still has the following problems:
1. dust and scrap iron can be attached to the granules, and the working environment can be polluted by the direct discharge of a fan of the material suction machine;
2. when a fan or a material suction pipeline is in failure and blocked, overload can occur, and if the fan or the material suction pipeline is not processed, equipment can be damaged;
3. the auto sucking machine always operates, can consume power too big, consequently can the stage nature operation, and if control starts improperly, can lead to the injection molding machine to lack the material, influences work efficiency, causes the defective work.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the injection molding suction machine with the overload and material shortage alarm function, which alarms when the injection molding suction machine is overloaded and lacks material, reminds an operator, and continuously absorbs and filters dust and impurities in granules.
In order to realize the aim, the invention provides an injection molding suction machine with overload and starved alarm, which comprises a hopper, a dryer, a fan and a microcomputer control unit,
a feed inlet is arranged on the side surface of the hopper, the feed inlet is connected with a material suction pipe, the material suction pipe extends into the storage box, granular materials are placed in the storage box,
the hopper is conical, the bottom of the hopper is provided with a transition cylinder, the inner side surface of the transition cylinder is provided with a contact switch, the contact switch is connected with a contact rod extending into the transition cylinder, the contact rod is bounced along with the gravity of the granular materials and when no granular materials exist, the contact switch is driven to be closed and opened,
the bottom of the transition cylinder is connected with a dryer, the bottom of the dryer is connected with a granule inlet of an injection molding machine,
the upper part of the hopper is provided with an opening and is detachably connected with an upper cover, the top of the upper cover is provided with an air outlet, and the air outlet is connected with an air suction pipe; the contact part of the upper cover and the upper edge of the hopper is provided with a sealing rubber ring, the sealing rubber ring is annular, a filter screen is wrapped inside the annular, the diameter of the meshes of the filter screen is smaller than that of the granules,
the other end of the aspiration channel is connected with the filter cartridge and the fan in sequence, a wind pressure sensor is arranged at the outlet of the fan,
the wind pressure sensor, the fan, the dryer and the contact switch are in two-way communication with the microcomputer control unit.
Further, the sealing rubber ring is made of a silica gel material.
Further, a sealing cushion is connected between the transition cylinder and the dryer.
Further, the filter screen is made of austenitic 304 stainless steel.
Furthermore, set up pulsed dust removal sack in the cartridge filter, the side sets up the convenient change of sealing door of switch.
Further, the dryer is of an up-blowing double-layer type.
Furthermore, the microcomputer control unit is provided with an emergency stop button, a power supply button, a setting button and a reset button which can adjust the overload threshold value; and overload and material shortage indicating lamps and alarm buzzers.
The working principle of the invention is as follows:
the invention forms a certain negative pressure in the hopper cavity to suck the material into the hopper, and the working process is as follows: when the material in the hopper is short, a feeler lever switch for detecting the material sends a signal to a microcomputer control unit of the material suction machine, the microcomputer control unit sends a signal to start the motor to operate for vacuumizing, the material suction is started when the closed system reaches a certain vacuum degree, the material is discharged into the hopper after the material suction is finished, and the next circulation process is carried out after a certain preparation time after the material discharge is finished.
The air outlet of the fan is provided with a wind pressure sensor which can monitor the overload condition of the fan and the pipeline, and if the overload occurs, whether the pipeline is blocked or not is firstly checked, so that the load is overlarge; secondly, whether the fan is blocked is checked, whether the resistance of the fan is normal or not and whether the power supply voltage is normal or not is measured, whether the contactor and the thermal relay are normal or not is checked, and finally whether the exhaust valve and the selection valve of the fan are normal or not is checked.
The invention has the beneficial effects that:
1. the invention has the advantages of overload alarm, motor burnout prevention and higher safety;
2. the invention has the function of material shortage alarm, the position of the material shortage sensor is reasonably and effectively arranged, and the condition that the work efficiency of waste products is reduced due to material shortage can be avoided.
3. The filter cylinder is arranged in front of the fan, so that impurities such as dust, scrap iron and the like in the granules can be filtered, the working environment is prevented from being polluted, and the injection molding defect caused by the dust is also avoided; a filter screen is arranged in the hopper cavity to prevent the granular materials from entering the fan and damaging elements; a sealing rubber ring is arranged between the hopper and the upper cover, so that the vacuum degree is improved.
Drawings
FIG. 1 is an assembly schematic view of an injection molding suction machine with overload and starved alarm according to the present invention;
fig. 2 is an enlarged schematic view of the hopper section of the present invention.
In the figure: 1. a material storage box; 2. a material suction pipe; 3. an upper cover; 4. a contact switch; 5. a feeler lever; 6. a hopper; 7. a filter cartridge; 8. a fan; 9. a microcomputer control unit; 10. an air suction pipe; 11. a wind pressure sensor; 12. an air outlet; 13. sealing the rubber ring; 14. a filter screen; 15. a feed inlet; 16. a dryer; 17. and (4) a transition cylinder.
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, an injection molding suction machine with overload and starved material alarm is characterized in that: comprises a hopper 6, a dryer 16, a fan 8 and a microcomputer control unit 9,
a feed inlet 15 is arranged on the side surface of the hopper 6, the feed inlet 15 is connected with a material suction pipe 2, the material suction pipe 2 extends into the storage box 1, granules are placed in the storage box 1,
the hopper 6 is conical, the bottom of the hopper is provided with a transition cylinder 17, the inner side surface of the transition cylinder 17 is provided with a contact switch 4, the contact switch 4 is connected with a contact rod 5 extending into the transition cylinder 17, the contact rod 5 is bounced along with the gravity of the granular materials and when no granular materials exist, the contact switch 4 is driven to be closed and opened,
the bottom of the transition cylinder 17 is connected with a dryer 16, the bottom of the dryer 16 is connected with a granule inlet of an injection molding machine,
as shown in fig. 2, the hopper 6 is opened at the upper part and detachably connected with the upper cover 3, an air outlet 12 is arranged at the top of the upper cover 3, and the air outlet 12 is connected with an air suction pipe 10; a sealing rubber ring 13 is arranged at the contact part of the upper cover 3 and the upper edge of the hopper 6, the sealing rubber ring 13 is annular, a filter screen 14 is wrapped inside the annular, the diameter of the meshes of the filter screen 14 is smaller than that of the granules,
the other end of the aspiration channel 10 is connected with the filter cartridge 7 and the fan 8 in sequence, the outlet of the fan 8 is provided with a wind pressure sensor 11,
the wind pressure sensor 11, the fan 8, the dryer 16 and the contact switch 4 are in two-way communication with the microcomputer control unit 9.
In practical application, the sealing rubber ring 13 is made of a silica gel material.
In practical application, a sealing cushion is connected between the transition cylinder 17 and the dryer 16.
In practical applications, the filter screen 14 is made of austenitic 304 stainless steel.
In practical application, the filter cartridge 7 is internally provided with a pulse type dust removal cloth bag, and the side surface of the filter cartridge is provided with a switchable sealing door for convenient replacement.
In practical applications, the dryer 16 is a double-layer up-blow type dryer.
In practical application, the microcomputer control unit 9 is provided with an overload threshold value which can be adjusted by an emergency stop button, a power supply button, a setting button and a reset button; and overload and material shortage indicating lamps and alarm buzzers.
The working principle of the invention is as follows:
the invention forms a certain negative pressure in the cavity of the hopper 6 to suck the material into the hopper 6, and the working process is as follows: when the material in the hopper 6 is short, the switch of the contact rod 5 for detecting the material sends a signal to the microcomputer control unit 9 of the material suction machine, the microcomputer control unit 9 sends a signal to enable the motor to start running for vacuumizing, the material suction is started when the closed system reaches a certain vacuum degree, the material is discharged into the hopper 6 after the material suction is finished, and the next circulation process is carried out after a certain preparation time after the material discharge is finished.
An air pressure sensor 11 is arranged at an air outlet 12 of the fan 8, so that the overload condition of the fan 8 and a pipeline can be monitored, and if the overload condition occurs, whether the pipeline is blocked or not is firstly checked, so that the overload is caused; secondly, whether the fan 8 is blocked or not is checked, whether the resistance of the fan 8 is normal or not and whether the power supply voltage is normal or not is measured, whether the contactor and the thermal relay are normal or not is checked, and whether the exhaust valve and the selection valve of the fan 8 are normal or not is finally checked.
In summary, the invention has the advantages of overload alarm and material shortage alarm, high safety, capability of avoiding the condition that the work efficiency of waste products is reduced due to material shortage and the like, and capability of avoiding the pollution to the work environment.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (7)
1. The utility model provides an auto sucking machine of moulding plastics with transship, lack material warning which characterized in that: comprises a hopper (6), a dryer (16), a fan (8) and a microcomputer control unit (9),
a feed inlet (15) is arranged on the side surface of the hopper (6), the feed inlet (15) is connected with a material suction pipe (2), the material suction pipe (2) extends into the storage box (1), granules are placed in the storage box (1),
the hopper (6) is conical, the bottom of the hopper is provided with a transition cylinder (17), the inner side surface of the transition cylinder (17) is provided with a contact switch (4), the contact switch (4) is connected with a contact rod (5) extending into the transition cylinder (17), the contact rod (5) is bounced along with the falling of the gravity of the granular materials and when no granular materials exist, the contact switch (4) is driven to be closed and opened,
the bottom of the transition cylinder (17) is connected with a dryer (16), the bottom of the dryer (16) is connected with a granule inlet of an injection molding machine,
the upper part of the hopper (6) is provided with an opening and is detachably connected with the upper cover (3), the top of the upper cover (3) is provided with an air outlet (12), and the air outlet (12) is connected with an air suction pipe (10); a sealing rubber ring (13) is arranged at the contact part of the upper cover (3) and the upper edge of the hopper (6), the sealing rubber ring (13) is annular, a filter screen (14) is wrapped inside the annular, the diameter of the meshes of the filter screen (14) is smaller than that of the granules,
the other end of the air suction pipe (10) is sequentially connected with a filter cartridge (7) and a fan (8), an outlet of the fan (8) is provided with a wind pressure sensor (11),
the wind pressure sensor (11), the fan (8), the dryer (16) and the contact switch (4) are in two-way communication with the microcomputer control unit (9).
2. The injection molding suction machine with overload and starved alarm function as claimed in claim 1, wherein: the sealing rubber ring (13) is made of a silica gel material.
3. The injection molding suction machine with overload and starved alarm function as claimed in claim 2, wherein: and a sealing cushion pad is connected between the transition cylinder (17) and the dryer (16).
4. The injection molding suction machine with overload and starved alarm function as claimed in claim 1, wherein: the filter screen (14) is made of austenitic 304 stainless steel.
5. The injection molding suction machine with overload and starved alarm function as claimed in claim 1, wherein: the filter cartridge (7) is internally provided with a pulse type dust removal cloth bag, and the side surface of the filter cartridge is provided with a switchable sealing door for convenient replacement.
6. The injection molding suction machine with overload and starved alarm function as claimed in claim 1, wherein: the dryer (16) is of an up-blowing double-layer type.
7. The injection molding suction machine with overload and starved alarm function as claimed in claim 1, wherein: the microcomputer control unit (9) is provided with an emergency stop, a power supply, a setting button and a reset button which can adjust the overload threshold value; and overload and material shortage indicating lamps and alarm buzzers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911252275.3A CN111016069A (en) | 2019-12-09 | 2019-12-09 | Injection molding suction machine with overload and material shortage alarm functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911252275.3A CN111016069A (en) | 2019-12-09 | 2019-12-09 | Injection molding suction machine with overload and material shortage alarm functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111016069A true CN111016069A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911252275.3A Pending CN111016069A (en) | 2019-12-09 | 2019-12-09 | Injection molding suction machine with overload and material shortage alarm functions |
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| Country | Link |
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| CN (1) | CN111016069A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734581A (en) * | 2022-04-19 | 2022-07-12 | 周正斌 | High-efficient injection molding machine |
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| CN205807996U (en) * | 2016-07-07 | 2016-12-14 | 刘亚莉 | A kind of vacuum type multistep treatment drying machine |
| CN208683951U (en) * | 2018-08-21 | 2019-04-02 | 青岛博隆机械设备有限公司 | It is a kind of for conveying the Material sucking machine of powder and granular material |
| CN208697748U (en) * | 2018-08-17 | 2019-04-05 | 四川蜀羊防水材料有限公司 | Suction system for plastic grain conveying |
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2019
- 2019-12-09 CN CN201911252275.3A patent/CN111016069A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202030322U (en) * | 2011-04-23 | 2011-11-09 | 广东三凌塑料管材有限公司 | Vacuum feeding device |
| CN203922088U (en) * | 2014-06-20 | 2014-11-05 | 浙江天龙胶丸有限公司 | A kind of capsule feeder with warning function |
| CN204607055U (en) * | 2015-04-14 | 2015-09-02 | 浙江商业职业技术学院 | A kind of novel free-standing vacuum intaking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734581A (en) * | 2022-04-19 | 2022-07-12 | 周正斌 | High-efficient injection molding machine |
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Application publication date: 20200417 |