CN211305689U - Dust collecting device for numerical control machine tool - Google Patents
Dust collecting device for numerical control machine tool Download PDFInfo
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- CN211305689U CN211305689U CN201921466256.6U CN201921466256U CN211305689U CN 211305689 U CN211305689 U CN 211305689U CN 201921466256 U CN201921466256 U CN 201921466256U CN 211305689 U CN211305689 U CN 211305689U
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Abstract
The utility model discloses a dust collecting device for digit control machine tool, it includes the dust cage, the dust cage upper end is connected with the dust-collecting tube, the other end of dust-collecting tube links to each other with the air inlet end of air exhauster, the air-out end of air exhauster is connected with the branch dirt pipe, the lower extreme left and right sides of branch dirt pipe is connected with dust conveying pipe A and dust conveying pipe B respectively, the lower extreme of dust conveying pipe A and dust conveying pipe B is connected with edulcoration pipe A and edulcoration pipe B respectively, electromagnet A is installed on the inner wall upper portion of the left and right sides of edulcoration pipe A, electromagnet B is installed on the inner wall upper portion of the left and right sides of edulcoration pipe B, the lower extreme of edulcoration pipe A and edulcoration pipe B is connected with slagging tap pipe A and slagging tap pipe B respectively, the below of slagging tap pipe A and slagging tap pipe B is provided with the collection case, edulcoration pipe A left; the utility model has the advantages of convenient operation, categorised collection, resource utilization are high, the collection is effectual efficient, the suitability is strong.
Description
Technical Field
The utility model relates to a digit control machine tool technical field especially relates to a dust collecting device for digit control machine tool.
Background
In the machine manufacturing industry, numerically-controlled machine tools with high machining precision are more and more widely applied, the numerically-controlled machine tools belong to precision equipment, a large number of electronic elements are contained in the numerically-controlled machine tools, the dust in the air and the scraps and dust generated in the machining process fall onto the electronic elements, the normal work of the machine tool can be influenced, the machine tool can be seriously damaged, certain potential safety hazards exist, a dust collecting device is required to be used for collecting the dust, the scraps and the dust, however, the existing dust collecting device is inconvenient to operate and not classified for collection, metal scraps in the scraps can not be recycled, so that the resource waste is caused, the collection effect is poor, the efficiency is low, the applicability is poor, therefore, the dust collecting device for the numerical control machine tool, which is convenient to operate, collects metal scraps in a classified manner, collects the metal scraps separately for cyclic utilization, has high resource utilization rate, good collection effect and high efficiency, has strong applicability, and improves the processing precision and efficiency, is urgently needed to be designed.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, and provide a convenient operation, categorised collection, collect the metal sweeps alone in order to be equipped with cyclic utilization, resource utilization rate high, collect effectual efficient, the suitability is strong, improve the dust collector for digit control machine tool of machining precision and efficiency.
The purpose of the utility model is realized like this: a dust collecting device for a numerical control machine tool comprises a dust collecting cover, wherein a dust collecting pipe is fixedly connected to the upper end of the dust collecting cover, the other end of the dust collecting pipe is connected with an air inlet end of an air exhauster, an air outlet end of the air exhauster is connected with a dust separating pipe, the left side and the right side of the lower end of the dust separating pipe are respectively connected with a dust conveying pipe A and a dust conveying pipe B, the dust conveying pipe A and the dust conveying pipe B are respectively provided with a valve A and a valve B, the lower ends of the dust conveying pipe A and the dust conveying pipe B are respectively connected with an impurity removing pipe A and an impurity removing pipe B, the upper part of the left end of the impurity removing pipe A is fixedly provided with a storage battery A, the upper parts of the left side and the right side inner walls of the impurity removing pipe A are respectively provided with an electromagnet A, the electromagnet A is electrically connected with the storage battery A, the upper part of the right end of the impurity removing pipe, the electromagnet B is electrically connected with the storage battery B, the lower ends of the impurity removing pipe A and the impurity removing pipe B are respectively connected with a slag discharging pipe A and a slag discharging pipe B, the slag discharging pipe A and the slag discharging pipe B are respectively provided with a valve C and a valve D, a slag collecting box is arranged below the slag discharging pipe A and the slag discharging pipe B, the lower part of the left end of the impurity removing pipe A is connected with a dust outlet pipe A, the lower part of the right end of the impurity removing pipe B is connected with a dust outlet pipe B, the dust outlet pipe A and the dust outlet pipe B are respectively provided with an induced draft fan A and an induced draft fan B, the other ends of the dust outlet pipe A and the dust outlet pipe B are respectively connected with a dust collection box A and a dust collection box B, the upper part and the middle part in the dust collection box A and the dust collection box B are respectively connected with a first filter screen and a second filter screen, and the lower part of the left end of the dust collection box A and the lower part of the right end of the dust collection box B are respectively provided with an air outlet.
The impurity removal pipe A and the impurity removal pipe B are funnel-shaped perspective pipes.
The slag discharging pipe A and the slag discharging pipe B are both funnel-shaped pipes.
And the electromagnet A and the electromagnet B are obliquely arranged.
The diameter of the filter hole of the first filter screen is larger than that of the filter hole of the second filter screen.
The lower ends of the dust collection box A, the dust collection box B and the slag collection box are provided with anti-skid bulges.
The utility model discloses the beneficial effect who produces: the utility model discloses a dust collecting device for a numerical control machine tool, an exhaust fan is opened, dust in the air and sweeps and dust generated in the processing process enter a dust collecting pipe and a dust separating pipe through a dust collecting hood, a valve A and a valve B on a dust conveying pipe A and a dust conveying pipe B are opened, the dust, the sweeps and the dust fall into an impurity removing pipe A and an impurity removing pipe B through the dust conveying pipe A and the dust conveying pipe B, an electromagnet A arranged on the upper parts of the inner walls on the left side and the right side of the impurity removing pipe A and an electromagnet B arranged on the upper parts of the inner walls on the left side and the right side of the impurity removing pipe B adsorb metal sweeps in the sweeps, a storage battery A and a storage battery B respectively supply power to the electromagnet A and the electromagnet B, the nonmetal sweeps, the dust and the dust fall to the lower parts of the impurity removing pipe A and the impurity removing pipe B, an induced draft fan A and an induced draft fan B are opened, the nonmetal sweeps, the dust and the dust enter a, the upper part and the middle part in the dust collection box A and the dust collection box B are respectively connected with a first filter screen and a second filter screen, the first filter screen and the second filter screen successively filter nonmetal scraps, dust and dust, the diameter of a filter hole of the first filter screen is larger than that of a filter hole of the second filter screen, the filter effect is improved, completely filtered gas is discharged through a gas outlet, when the metal scraps adsorbed on the electromagnet A and the electromagnet B reach a certain amount after the dust is collected for a period of time, the metal scraps adsorbed on the electromagnet A and the electromagnet B need to be discharged to prevent the metal scraps from blocking the impurity removal pipe A and the impurity removal pipe B and reduce the dust collection efficiency, the impurity removal pipe A and the impurity removal pipe B are funnel-shaped perspective pipes, the amount of the metal scraps adsorbed on the electromagnet A and the electromagnet B is convenient to observe, when the metal scraps adsorbed on the electromagnet A reach a certain amount, a valve A and a draught fan A on the dust conveying pipe A are closed, opening a valve C on a slag discharging pipe A, stopping supplying power to an electromagnet A by a storage battery A, enabling metal waste chips adsorbed on the electromagnet A to fall into the slag discharging pipe A through an impurity removing pipe A, then falling into a slag collecting box through the slag discharging pipe A, at the moment, continuously collecting dust by a dust conveying pipe B, an electromagnet B, an impurity removing pipe B, an induced draft fan B and a dust collecting box B, similarly, when the metal waste chips adsorbed on the electromagnet B reach a certain amount, closing the valve B and the induced draft fan B on the dust conveying pipe B, opening a valve D on the slag discharging pipe B, stopping supplying power to the electromagnet B by the storage battery B, enabling the metal waste chips adsorbed on the electromagnet B to fall into the slag discharging pipe B through the impurity removing pipe B, then falling into the slag collecting box through the slag discharging pipe B, at the moment, continuously collecting dust by the dust conveying pipe A, the electromagnet A, the impurity removing pipe A and the induced draft fan A, namely alternately discharging the metal waste chips, the dust collection operation is continuously carried out, the dust collection effect is good, and the efficiency is high; the magnet A and the electromagnet B are both obliquely arranged, and the slag discharging pipe A and the slag discharging pipe B are both funnel-shaped pipes, so that metal scraps can be discharged quickly; the lower ends of the dust collection box A, the dust collection box B and the slag collecting box are all provided with anti-skidding bulges, so that the anti-skidding effect is good, the dust collection box A, the dust collection box B and the slag collecting box are prevented from skidding in the dust collection process, and the stability is strong; generally, the utility model has the advantages of convenient operation, categorised collection, collect metal sweeps alone in order to recycle, resource utilization is high, collect effectual efficient, the suitability is strong, improve machining precision and efficiency.
Drawings
Fig. 1 is a schematic structural view of a dust collecting device for a numerical control machine tool according to the present invention.
In the figure: 1. dust cage 2, dust collecting pipe 3, air exhauster 4, valve A5, dust conveying pipe A6, divide dirt pipe 7, dust conveying pipe B8, valve B9, battery B10, electro-magnet B11, edulcoration pipe B12, draught fan B13, play dirt pipe B14, dust collection box B15, air outlet 16, second filter screen 17, pipe B18 of slagging tap, valve D19, receive sediment case 20, valve C21, pipe A22 of slagging tap, draught fan A23, first filter screen 24, dust collection box A25, play dirt pipe A26, edulcoration pipe A27, electro-magnet A28, battery A.
Detailed Description
Example 1
As shown in fig. 1, a dust collecting device for a numerical control machine tool comprises a dust collecting hood 1, wherein the upper end of the dust collecting hood 1 is fixedly connected with a dust collecting pipe 2, the other end of the dust collecting pipe 2 is connected with an air inlet end of an exhaust fan 3, an air outlet end of the exhaust fan 3 is connected with a dust separating pipe 6, the left side and the right side of the lower end of the dust separating pipe 6 are respectively connected with a dust conveying pipe A5 and a dust conveying pipe B7, the dust conveying pipe A5 and the dust conveying pipe B6 are respectively provided with a valve a4 and a valve B8, the lower ends of the dust conveying pipe A5 and the dust conveying pipe B7 are respectively connected with an impurity removing pipe a26 and an impurity removing pipe B11, the upper part of the left end of the impurity removing pipe a26 is fixedly provided with a battery a28, the upper parts of the inner walls of the left side and the right side of the impurity removing pipe a26 are both provided with a27, an electromagnet a 48 is electrically connected with a28, and the upper part of, electromagnets B10 are arranged on the upper parts of the inner walls of the left side and the right side of the impurity removing pipe B11, the electromagnets B10 are electrically connected with a storage battery B9, the lower ends of the impurity removing pipe A26 and the impurity removing pipe B11 are respectively connected with a slag outlet pipe A21 and a slag outlet pipe B17, the slag outlet pipe A21 and the slag outlet pipe B17 are respectively provided with a valve C20 and a valve D18, a slag collecting box 19 is arranged below the slag discharging pipe A21 and the slag discharging pipe B17, the lower part of the left end of the impurity removing pipe A26 is connected with a dust discharging pipe A25, the lower part of the right end of the impurity removal pipe B11 is connected with a dust outlet pipe B13, an induced draft fan A22 and an induced draft fan B12 are respectively arranged on the dust outlet pipe A25 and the dust outlet pipe B13, the other ends of the dust outlet pipe A25 and the dust outlet pipe B13 are respectively connected with a dust collection box A24 and a dust collection box B14, the upper part and the middle part of the dust collection box A24 and the dust collection box B14 are respectively connected with a first filter screen 23 and a second filter screen 16, and air outlets 15 are formed in the lower part of the left end of the dust collection box A24 and the lower part of the right end of the dust collection box B14.
The utility model discloses a dust collecting device for a numerical control machine tool, an exhaust fan is opened, dust in the air and sweeps and dust generated in the processing process enter a dust collecting pipe and a dust separating pipe through a dust collecting hood, a valve A and a valve B on a dust conveying pipe A and a dust conveying pipe B are opened, the dust, the sweeps and the dust fall into an impurity removing pipe A and an impurity removing pipe B through the dust conveying pipe A and the dust conveying pipe B, an electromagnet A arranged on the upper parts of the inner walls on the left side and the right side of the impurity removing pipe A and an electromagnet B arranged on the upper parts of the inner walls on the left side and the right side of the impurity removing pipe B adsorb metal sweeps in the sweeps, a storage battery A and a storage battery B respectively supply power to the electromagnet A and the electromagnet B, the nonmetal sweeps, the dust and the dust fall to the lower parts of the impurity removing pipe A and the impurity removing pipe B, an induced draft fan A and an induced draft fan B are opened, the nonmetal sweeps, the dust and the dust enter a, the upper part and the middle part in the dust collection box A and the dust collection box B are respectively connected with a first filter screen and a second filter screen, the first filter screen and the second filter screen successively filter nonmetal waste chips, dust and dust, the filtering effect is improved, completely filtered gas is discharged through a gas outlet, when the metal waste chips adsorbed on the electromagnet A and the electromagnet B reach a certain amount after dust collection is carried out for a period of time, the metal waste chips adsorbed on the electromagnet A and the electromagnet B need to be discharged to prevent the metal waste chips from blocking the impurity removal pipe A and the impurity removal pipe B so as to reduce the dust collection efficiency, the impurity removal pipe A and the impurity removal pipe B are funnel-shaped perspective pipes, the amount of the metal waste chips adsorbed on the electromagnet A and the electromagnet B is convenient to observe, when the metal waste chips adsorbed on the electromagnet A reach a certain amount, the valve A and the draught fan A on the dust delivery pipe A are closed, the valve C on the slag removal pipe A is opened, and the storage battery A stops, the last adsorbed metal sweeps that adsorbs of electro-magnet A falls into slag pipe A through edulcoration pipe A in, then fall into through slag pipe A and receive the sediment case, this moment, dust conveying pipe B, electro-magnet B, edulcoration pipe B, draught fan B and collection dirt case B continue to collect dirt, the same is true, when the last adsorbed metal sweeps of electro-magnet B reaches a quantitative, valve B and draught fan B on the dust conveying pipe B are closed, valve D on the pipe B of slagging tap is opened, battery B stops to supply power to electro-magnet B, the last adsorbed metal sweeps that adsorbs of electro-magnet B falls into through edulcoration pipe B and slag pipe B, then fall into through pipe B of slagging tap and receive the sediment case, at this moment, dust conveying pipe A, electro-magnet A, edulcoration pipe A, draught fan A and collection dirt case A continue to collect dirt, the adsorbed metal sweeps on electro-magnet A and the electro-magnet B is discharged in turn promptly, make the collection dirt.
Example 2
As shown in fig. 1, a dust collecting device for a numerical control machine tool comprises a dust collecting hood 1, wherein the upper end of the dust collecting hood 1 is fixedly connected with a dust collecting pipe 2, the other end of the dust collecting pipe 2 is connected with an air inlet end of an exhaust fan 3, an air outlet end of the exhaust fan 3 is connected with a dust separating pipe 6, the left side and the right side of the lower end of the dust separating pipe 6 are respectively connected with a dust conveying pipe A5 and a dust conveying pipe B7, the dust conveying pipe A5 and the dust conveying pipe B6 are respectively provided with a valve a4 and a valve B8, the lower ends of the dust conveying pipe A5 and the dust conveying pipe B7 are respectively connected with an impurity removing pipe a26 and an impurity removing pipe B11, the upper part of the left end of the impurity removing pipe a26 is fixedly provided with a battery a28, the upper parts of the inner walls of the left side and the right side of the impurity removing pipe a26 are both provided with a27, an electromagnet a 48 is electrically connected with a28, and the upper part of, electromagnets B10 are installed on the upper portions of the inner walls of the left side and the right side of the impurity removing pipe B11, an electromagnet B10 is electrically connected with a storage battery B9, the lower ends of the impurity removing pipe A26 and the impurity removing pipe B11 are respectively connected with a slag discharging pipe A21 and a slag discharging pipe B17, a valve C17 and a valve D17 are installed on the slag discharging pipe A21 and the slag discharging pipe B17, a slag collecting box 19 is arranged below the slag discharging pipe A17 and the slag discharging pipe B17, a dust discharging pipe A17 is connected with the lower portion of the left end of the impurity removing pipe A17, a dust discharging pipe B17 is connected with the lower portion of the right end of the impurity removing pipe B17, a dust collecting box B17 and a draught fan B17 are installed on the dust discharging pipe A17 and the dust discharging pipe B17, the other ends of the dust discharging pipe A17 and the dust collecting box B17 are respectively connected with a dust collecting box A17 and a dust collecting box 3615, and a second dust collecting box 3615 are respectively connected with the lower portion of a filter screen B3615, and a filter screen B3615, edulcoration pipe A26 and edulcoration pipe B11 be funnel type perspective pipe, pipe A21 of slagging tap be funnel type pipe with pipe B17 of slagging tap, electro-magnet A27 and electro-magnet B10 be the tilting setting, first filter screen 23 the filtration pore diameter be greater than second filter screen 16 the filtration pore diameter, dust collection box A24, dust collection box B14 and the lower extreme of receiving sediment case 19 all be provided with the non-skid protrusion.
The utility model discloses a dust collecting device for a numerical control machine tool, an exhaust fan is opened, dust in the air and sweeps and dust generated in the processing process enter a dust collecting pipe and a dust separating pipe through a dust collecting hood, a valve A and a valve B on a dust conveying pipe A and a dust conveying pipe B are opened, the dust, the sweeps and the dust fall into an impurity removing pipe A and an impurity removing pipe B through the dust conveying pipe A and the dust conveying pipe B, an electromagnet A arranged on the upper parts of the inner walls on the left side and the right side of the impurity removing pipe A and an electromagnet B arranged on the upper parts of the inner walls on the left side and the right side of the impurity removing pipe B adsorb metal sweeps in the sweeps, a storage battery A and a storage battery B respectively supply power to the electromagnet A and the electromagnet B, the nonmetal sweeps, the dust and the dust fall to the lower parts of the impurity removing pipe A and the impurity removing pipe B, an induced draft fan A and an induced draft fan B are opened, the nonmetal sweeps, the dust and the dust enter a, the upper part and the middle part in the dust collection box A and the dust collection box B are respectively connected with a first filter screen and a second filter screen, the first filter screen and the second filter screen successively filter nonmetal scraps, dust and dust, the diameter of a filter hole of the first filter screen is larger than that of a filter hole of the second filter screen, the filter effect is improved, completely filtered gas is discharged through a gas outlet, when the metal scraps adsorbed on the electromagnet A and the electromagnet B reach a certain amount after the dust is collected for a period of time, the metal scraps adsorbed on the electromagnet A and the electromagnet B need to be discharged to prevent the metal scraps from blocking the impurity removal pipe A and the impurity removal pipe B and reduce the dust collection efficiency, the impurity removal pipe A and the impurity removal pipe B are funnel-shaped perspective pipes, the amount of the metal scraps adsorbed on the electromagnet A and the electromagnet B is convenient to observe, when the metal scraps adsorbed on the electromagnet A reach a certain amount, a valve A and a draught fan A on the dust conveying pipe A are closed, opening a valve C on a slag discharging pipe A, stopping supplying power to an electromagnet A by a storage battery A, enabling metal waste chips adsorbed on the electromagnet A to fall into the slag discharging pipe A through an impurity removing pipe A, then falling into a slag collecting box through the slag discharging pipe A, at the moment, continuously collecting dust by a dust conveying pipe B, an electromagnet B, an impurity removing pipe B, an induced draft fan B and a dust collecting box B, similarly, when the metal waste chips adsorbed on the electromagnet B reach a certain amount, closing the valve B and the induced draft fan B on the dust conveying pipe B, opening a valve D on the slag discharging pipe B, stopping supplying power to the electromagnet B by the storage battery B, enabling the metal waste chips adsorbed on the electromagnet B to fall into the slag discharging pipe B through the impurity removing pipe B, then falling into the slag collecting box through the slag discharging pipe B, at the moment, continuously collecting dust by the dust conveying pipe A, the electromagnet A, the impurity removing pipe A and the induced draft fan A, namely alternately discharging the metal waste chips, the dust collection operation is continuously carried out, the dust collection effect is good, and the efficiency is high; the magnet A and the electromagnet B are both obliquely arranged, and the slag discharging pipe A and the slag discharging pipe B are both funnel-shaped pipes, so that metal scraps can be discharged quickly; the lower ends of the dust collection box A, the dust collection box B and the slag collecting box are all provided with anti-skidding bulges, so that the anti-skidding effect is good, the dust collection box A, the dust collection box B and the slag collecting box are prevented from skidding in the dust collection process, and the stability is strong; generally, the utility model has the advantages of convenient operation, categorised collection, collect metal sweeps alone in order to recycle, resource utilization is high, collect effectual efficient, the suitability is strong, improve machining precision and efficiency.
Claims (6)
1. The utility model provides a dust collecting device for digit control machine tool, it includes the dust cage, its characterized in that: the dust hood is characterized in that a dust collecting pipe is fixedly connected to the upper end of the dust collecting hood, the other end of the dust collecting pipe is connected with an air inlet end of an exhaust fan, an air outlet end of the exhaust fan is connected with a dust separating pipe, the left side and the right side of the lower end of the dust separating pipe are respectively connected with a dust conveying pipe A and a dust conveying pipe B, the dust conveying pipe A and the dust conveying pipe B are respectively provided with a valve A and a valve B, the lower ends of the dust conveying pipe A and the dust conveying pipe B are respectively connected with an impurity removing pipe A and an impurity removing pipe B, the upper part of the left end of the impurity removing pipe A is fixedly provided with a storage battery A, the upper parts of the left side and the right side inner walls of the impurity removing pipe A are respectively provided with an electromagnet A, the electromagnet A is electrically connected with a storage battery A, the upper part of the right end of the impurity removing pipe B is fixedly provided with a storage, impurity removal pipe A and impurity removal pipe B's lower extreme be connected with respectively and slag tap pipe A and slag tap pipe B, slag tap pipe A with slag tap pipe B on install valve C and valve D respectively, slag tap pipe A and slag tap pipe B's below be provided with and collect the sediment case, impurity removal pipe A left end sub-unit connection have a dirt pipe A, impurity removal pipe B right-hand member sub-unit connection have a dirt pipe B, dirt pipe A and dirt pipe B on install draught fan A and draught fan B respectively, dirt pipe A and the other end that goes out dirt pipe B be connected with respectively dust collection box A and dust collection box B, dust collection box A and dust collection box B in upper portion and middle part be connected with first filter screen and second filter screen respectively, dust collection box A left end lower part and dust collection box B right-hand member lower part all be provided with the air outlet.
2. The dust collecting apparatus for the numerical control machine tool according to claim 1, wherein: the impurity removal pipe A and the impurity removal pipe B are funnel-shaped perspective pipes.
3. The dust collecting apparatus for the numerical control machine tool according to claim 1, wherein: the slag discharging pipe A and the slag discharging pipe B are both funnel-shaped pipes.
4. The dust collecting apparatus for the numerical control machine tool according to claim 1, wherein: and the electromagnet A and the electromagnet B are obliquely arranged.
5. The dust collecting apparatus for the numerical control machine tool according to claim 1, wherein: the diameter of the filter hole of the first filter screen is larger than that of the filter hole of the second filter screen.
6. The dust collecting apparatus for the numerical control machine tool according to claim 1, wherein: the lower ends of the dust collection box A, the dust collection box B and the slag collection box are provided with anti-skid bulges.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921466256.6U CN211305689U (en) | 2019-09-05 | 2019-09-05 | Dust collecting device for numerical control machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921466256.6U CN211305689U (en) | 2019-09-05 | 2019-09-05 | Dust collecting device for numerical control machine tool |
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| CN211305689U true CN211305689U (en) | 2020-08-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275277A (en) * | 2021-06-15 | 2021-08-20 | 衢州学院 | Digit control machine tool dust collecting equipment based on design of personnel security |
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2019
- 2019-09-05 CN CN201921466256.6U patent/CN211305689U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275277A (en) * | 2021-06-15 | 2021-08-20 | 衢州学院 | Digit control machine tool dust collecting equipment based on design of personnel security |
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Effective date of registration: 20230922 Address after: No. 1-1, Shangkong Huading Industrial Park, Gedian Development Zone, Ezhou City, Hubei Province, 436000 Patentee after: Hubei Guantong Hardware Products Co.,Ltd. Address before: Room 1301, 13 / F, unit 1, building 11, No.76 Cuizhu street, high tech Industrial Development Zone, Zhengzhou City, Henan Province Patentee before: HENAN YITONG INTELLIGENT TECHNOLOGY Co.,Ltd. |