CN205570755U - Automatic screening charging equipment - Google Patents
Automatic screening charging equipment Download PDFInfo
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- CN205570755U CN205570755U CN201521023414.2U CN201521023414U CN205570755U CN 205570755 U CN205570755 U CN 205570755U CN 201521023414 U CN201521023414 U CN 201521023414U CN 205570755 U CN205570755 U CN 205570755U
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Abstract
The utility model discloses a screening charging equipment, including the controlling means that is used for the controlgear overall operation, be used for the vibration screening device carrying the loading attachment of raw materials powder and be used for sieving the raw materials powder, thick material case of vibration screening device fixedly connected with and fine material case, loading attachment reaches the vibration screening device all with controlling means electric connection, loading attachment with vibration screening device fixed connection, the material loading subassembly is connected with the help of powder conveying tube and raw material tank, the fine material case with the help of powder conveying tube with loading attachment connect and with the help of loading attachment accomplishes the pay -off to the external workbin of sintering equipment. The utility model discloses reduce operation workman's intensity of labour, improved production efficiency. Realized dustlessization of operation room simultaneously, protected and operated the healthy of workman. Furthermore, the utility model discloses simple structure has very high popularization and application and worth and very strong suitability.
Description
Technical field
This utility model relates to a kind of automatic sieving charging equipment, is particularly suited for automatic sieving based on selective laser sintering 3D printing technique plastic powders and automatic charging, belongs to processing and manufacturing field.
Background technology
Along with the fast development of China's economy, improving constantly of manufacturing level, the parts of more and more different modeling are designed and produce.Owing to needing to carry out the series of processes such as die sinking, cast in traditional forming parts course of processing, the course of processing is the most loaded down with trivial details, and the most in recent years, increasing processing enterprise starts to be applied in processing and the manufacture process of part 3D printing technique.
At present, 3D printing technique is also in the infancy, the most extremely limited in the selection of its manufacturing process and rapidoprint.When especially relating to selective laser sintering 3D printing technique, the specification requirement for the plastic powders as rapidoprint is the most harsh.It is said that in general, add be required for man-hour selecting the less plastic powders of granule to be to ensure that the finished product printed has higher flatness and degree of accuracy as rapidoprint, the plastic powders selecting granule less carrying out this class, it is ensured that the quality of following process.
The screening of existing selective laser sintering plastic powders uses common vibrosieve to operate mostly, needs manually persistently to feed in spin vibration sieve during screening, and in screening process, remaining coarse granule material is required for artificial taking-up from screen cloth.After all having sieved, then need to carry out next step feeding operation.Existing material-uploading style is still based on manually, i.e. by the artificial external hopper that the plastic grain sieved is poured into selective laser sintering and moulding machine.
We can recognize the most intuitively from the above description, and the existing screening for plastic powders and feeding considerably increase the labor intensity of operator, reduces work efficiency, and causes raw-material a large amount of waste.Simultaneously as the volume of plastic powders and quality are the least, producing substantial amounts of dust, cause environmental pollution, affect the healthy of operator in therefore making operation room during screening and feeding, serious also can result in the serious diseases such as pneumoconiosis.
Chinese patent CN104495226A discloses a kind of totally-enclosed feeding device without dust that can effectively reduce Dust Capacity, and it includes that support arm, conveyer belt, motor are stretched in frame, bearing, casing, chain, sprocket wheel, elevating hopper, hopper, sieves, side.It uses enclosed feed mechanism, and this structure is vertical structure, and the space taken is less, it is possible to realize operation in narrow and small working environment.This utility model takes enclosed material-uploading style, will not produce too much airborne dust, be effectively controlled the pollution of environment during using, but owing to it uses vertical structure, is therefore not particularly suited for the processing of existing selective laser sintering.Additionally, this utility model does not has the function of automatic sieving, the problem that therefore this utility model does not solve fine particle powder sieving feeding.
Summary of the invention
In view of prior art exists drawbacks described above, the purpose of this utility model is to propose a kind of being applicable to based on selective laser sintering 3D printing technique plastic powders automatic sieving and the automatic sieving charging equipment of automatic charging.
The purpose of this utility model, will be achieved by the following technical programs:
A kind of automatic sieving charging equipment, including the control device for controlling equipment overall operation, for the feeding device of transferring raw material powder and for sieving the vibration screening device of material powder, described vibration screening device is fixedly connected with thick body feed tank and thin body feed tank；Described feeding device and described vibration screening device are all electrically connected with described control device, described feeding device is fixing with described vibration screening device to be connected, described loading assemblies is connected with material box by powder conduit, and described thin body feed tank is connected with described feeding device by powder conduit and completes the feeding to the external hopper of agglomerating plant by described feeding device.
Preferably, described control device includes that controller and control panel, described control panel are fixedly installed on described feeding device and described vibration screening device.
Preferably, described feeding device includes air compressor and vacuum feeding mechanism, and described air compressor is connected by gas conduit is fixing with described vacuum feeding mechanism.
Preferably, described vacuum feeding mechanism includes the first loading assemblies for feeding in described vibration screening device, and for the second loading assemblies of agglomerating plant external hopper feeding, described first loading assemblies is fixing with described material box and described vibration screening device to be connected, and described second loading assemblies is fixing with described thin body feed tank and the external hopper of described agglomerating plant to be connected；Described first loading assemblies is consistent with the structure of described second loading assemblies, all include storage tank, vacuum generator, air-operated solenoid valve and butterfly valve, described vacuum generator, air-operated solenoid valve and butterfly valve are all connected with described storage tank, and described air-operated solenoid valve and described vacuum generator are all electrically connected with described control device and are controlled；Blow vent, charging aperture and discharging opening is offered on described storage tank, described first loading assemblies is all connected with described air compressor with the blow vent of the storage tank in described second loading assemblies, the charging aperture of the storage tank in described first loading assemblies is connected with described material box, discharging opening is connected with described vibration screening device, the charging aperture of the storage tank in described second loading assemblies is connected with described thin body feed tank, and discharging opening hopper external with described agglomerating plant is connected.
Preferably, described vibration screening device includes outer container, screening mechanism and vibrating mechanism, and described screening mechanism and described vibrating mechanism may be contained within described outer container, and described vibrating mechanism is arranged at the lower section of described screening mechanism and provides power for it.
Preferably, described screening mechanism includes sieving box and being fixedly installed on the screen cloth in described sieve box；
Described sieve box top offers material inlet, and described sieve box side is to offering thick material outlet and thin material outlet, and the plane at described thick material outlet place is higher than the plane at described thin material outlet place；Described thick material outlet is fixing with described thick body feed tank to be connected, and described thin material outlet is fixing with described thin body feed tank to be connected；Described screen cloth is arranged in the plane at place, described thick material outlet bottom, at least one row it is additionally provided with for promoting the vibration pearl of vibration efficiency and for vibrating the gripper shoe of pearl described in support below described screen cloth, through hole is uniformly offered in described gripper shoe, the aperture of described through hole is less than the diameter of described vibration pearl, and the quantity of described through hole is more than the quantity of described vibration pearl.
Preferably, described vibrating mechanism includes balancing spring and is arranged at the vibration component of described balancing spring medial center position；Described vibration component includes outer housing and is arranged at the eccentric block in described outer housing, is additionally provided with driving motor in described outer housing, and described eccentric block is electrically connected with described driving motor and is driven by；All bottoms with described sieve box, the top of described outer housing and described balancing spring touch.
Preferably, the bottom of described material box, outer container, thick body feed tank, thin body feed tank and the external hopper of described agglomerating plant is provided with roller.
Prominent effect of the present utility model is: this utility model uses the mode of automatization that the screening in the conventional course of processing and feeding process are integrated unification, significantly reduces the labor intensity of operator, improves production efficiency.Meanwhile, this utility model also have effectively achieved dustlessization of operation room, controls environmental pollution, protects the healthy of operator.Additionally, this utility model also significantly reduces the waste in screening feeding process for plastics dust, further save the production cost of processing enterprise.On the other hand, this utility model simple in construction, it is easy to assemble, processing enterprise can obtain by assembling the improvement of existing equipment, have highly application value and the strongest suitability.
Hereinafter accompanying drawing the most in conjunction with the embodiments, is described in further detail detailed description of the invention of the present utility model, so that technical solutions of the utility model are more readily understood, grasp.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is the structural representation of loading assemblies in this utility model；
Fig. 3 is the structural representation of vibration screening device in this utility model；
Wherein: 1. material box；2. thick body feed tank；3. thin body feed tank；4. the external hopper of agglomerating plant；5. powder conduit；6. gas conduit；7. control panel；8. air compressor；11,21. storage tank；12,22. vacuum generator；13,23. air-operated solenoid valve；14,24. butterfly valve；111,211. blow vent；112,212. charging aperture；113,213. discharging opening；31. outer containers；32. sieve boxes；33. screen clothes；321. material inlet；322. thick material outlets；323. thin material outlets；34. vibration pearls；35. gripper shoes；36. balancing springs；37. outer housings.
Detailed description of the invention
This utility model discloses a kind of being applicable to based on selective laser sintering 3D printing technique plastic powders automatic sieving and the automatic sieving charging equipment of automatic charging.
As shown in FIG. 1 to 3, automatic sieving charging equipment of the present utility model, including the control device for controlling equipment overall operation, for the feeding device of transferring raw material powder and for sieving the vibration screening device of material powder, described vibration screening device is fixedly connected with thick body feed tank 2 and thin body feed tank 3.
Described feeding device and described vibration screening device are all electrically connected with described control device, described feeding device is fixing with described vibration screening device to be connected, described loading assemblies is connected with material box 1 by powder conduit 5, and described thin body feed tank 3 is connected with described feeding device by powder conduit 5 and completes the feeding to the external hopper of agglomerating plant 4 by described feeding device.
Described control device includes that controller (not shown) and control panel 7, described control panel 7 are fixedly installed on described feeding device and described vibration screening device.Operator can arrange corresponding operating parameter by described control panel 7 in described controller, to control equipment running.
Described feeding device includes air compressor 8 and vacuum feeding mechanism, and described air compressor 8 is connected by gas conduit 6 is fixing with described vacuum feeding mechanism.
Described vacuum feeding mechanism includes the first loading assemblies for feeding in described vibration screening device, and for the second loading assemblies of agglomerating plant external hopper 4 feeding, described first loading assemblies is fixing with described material box 1 and described vibration screening device to be connected, and described second loading assemblies is fixed be connected with described thin body feed tank 3 and the external hopper of described agglomerating plant 4；Described first loading assemblies is consistent with the structure of described second loading assemblies, all include storage tank 11,21, vacuum generator 12,22, air-operated solenoid valve 13,23 and butterfly valve 14,24, described vacuum generator 12,22, air-operated solenoid valve 13,23 and butterfly valve 14,24 are all connected with described storage tank 11,21, and described air-operated solenoid valve 13,23 and described vacuum generator 12,23 are all electrically connected with described control device and are controlled；Wherein, described air-operated solenoid valve 13,23 can be considered as described first loading assemblies and described second loading assemblies switch, and described controller completes follow-up corresponding operating by opening described air-operated solenoid valve 13,23.
Blow vent 111,211, charging aperture 112,212 and discharging opening 113,213 is offered on described storage tank 11,21, the blow vent 111,211 of described storage tank 11,21 is all connected with described air compressor 8, the charging aperture 112 of the storage tank 11 in described first loading assemblies is connected with described material box 1, discharging opening 113 is connected with described vibration screening device, the charging aperture 212 of the storage tank in described second loading assemblies is connected with described thin body feed tank 3, and discharging opening 213 hopper external with described agglomerating plant 4 is connected.
Described vibration screening device includes outer container 31, screening mechanism and vibrating mechanism, and described screening mechanism and described vibrating mechanism may be contained within described outer container 31, and described vibrating mechanism is arranged at the lower section of described screening mechanism and provides power for it.Described screening mechanism includes sieving box 32 and being fixedly installed on the screen cloth 33 in described sieve box 32.
Described sieve box 32 top offers material inlet 321, described sieve box 32 side is to offering thick material outlet 322 and thin material outlet 323, in the present embodiment, described thick material outlet 322 and thin material outlet 323 are oppositely arranged, it is respectively facing different directions, the purpose so arranged is to make follow-up discharging process more smooth and easy, it is to avoid the batch mixing phenomenon being likely to occur.
The plane at described thick material outlet 322 place is higher than the plane at described thin material outlet 323 place；Described thick material outlet 322 is fixing with described thick body feed tank 2 to be connected, and described thin material outlet 323 is fixing with described thin body feed tank 3 to be connected.
Described screen cloth 33 is arranged in the plane at place, described thick material outlet 322 bottom, is additionally provided with at least one row for promoting the vibration pearl 34 of vibration efficiency and for vibrating the gripper shoe 35 of pearl 34 described in support below described screen cloth 33.In the present embodiment, described vibration pearl 34 is provided with 7 rows altogether, and often row's vibration pearl 34 has 7.The effect of described vibration pearl 34 is to resonate in the vibration processes of described vibrating mechanism, to expand the Oscillation Amplitude of described screen cloth 33, and then makes the screening progress faster of material powder, promotes overall screening efficiency.
Uniformly offering through hole (not shown) in described gripper shoe 35, the aperture of described through hole is less than the diameter of described vibration pearl 34, and so, described vibration pearl 34 just can be placed directly in described gripper shoe 35.It should be noted that the quantity of described through hole is more than the quantity of described vibration pearl 34, this is because described through hole is in addition to being used for fixing described vibration pearl 34, in addition it is also necessary to for making the fine granular materials being sieving through pass, arriving at the thin material outlet 323 of lower section.
Described vibrating mechanism includes balancing spring 36 and is arranged at the vibration component of described balancing spring 36 medial center position；Described vibration component includes outer housing 37 and is arranged at the eccentric block (not shown) in described outer housing 37, being additionally provided with driving motor (not shown) in described outer housing 37, described eccentric block is electrically connected with described driving motor and is driven by；All bottoms with described sieve box 32, the top of described outer housing 37 and described balancing spring 36 touch.The purpose herein arranging balancing spring 36 is to make the operation of described vibrating mechanism be in a stable scope, it is to avoid because of phenomenons such as the excessive shock of described vibration component cause that the screening mechanism above it is toppled over.It is believed that vibration has been carried out uniform diffusion by described balancing spring 36, serve the effect of damping balance.
For the ease of the replacing in the course of processing, the bottom of described material box 1, outer container 31, thick body feed tank 2, thin body feed tank 3 and the external hopper of described agglomerating plant 4 is provided with roller.In addition, it can further be stated that, if when processing like product, in the case of there is not external hopper in process equipment, so can directly using described thin body feed tank 3 as equipment hopper, raw material in described thin body feed tank 3 is introduced directly in process equipment, so can the operational paradigm of lifting device further, save production cost.
It should be noted that, when using this equipment to carry out feeding operation, the operations parameters such as feeding time first time, for the first time blowing time, frequency of vibration, for the second time feeding time and second time blowing time can be configured by operator according to actual needs.Specifically, the interval length of described feeding time first time and described blowing time first time affects the upper doses of feeding for the first time；The interval length of described second time feeding time and described second time blowing time affects the upper doses of second time feeding；Described frequency of vibration decides the screening speed of device.
The charging method of above-mentioned automatic sieving charging equipment, comprises the steps:
1) preparation process: each for device parts are sequentially combined connection, it is then act through described control device starter to operate, and needs in described control panel 7, input the operating parameters such as first time feeding time, for the first time blowing time, frequency of vibration, for the second time feeding time and second time blowing time according to using；
2) feeding step for the first time: when first time, the suction time started, described first loading assemblies is started working, described air-operated solenoid valve 13 is opened, described butterfly valve 14 cuts out, described vacuum generator 12 is started working, described storage tank 11 is internal forms negative pressure under vacuum, material powder in described material box 1 is inhaled in described storage tank 11, described vacuum generator 12 quits work, described air compressor 8 is started working, under gas pressure effect, the material powder in described storage tank 11 is discharged in described vibration screening device；
3) vibrosieve step: after material powder enters described sieve box 32 by described material inlet 321, described vibration component is started working, in the conduct vibrations of described vibrating mechanism extremely described screening mechanism, described sieve box 32 drives the screen cloth 33 that it is internal, vibration pearl 34 and gripper shoe 35 start vibration, described vibration pearl 34 moves up and down, accelerate screening process, coarse grain powder in material powder rests on described screen cloth 33, and enter in described thick body feed tank 2 by described thick material outlet 322, particulate powders in material powder passes through described screen cloth 33, and by through hole through described gripper shoe 35, finally enter in described thin body feed tank 3 by described thin material outlet 323；
4) feeding step for the second time: when the second time suction time starts, described second loading assemblies is started working, described air-operated solenoid valve 23 is opened, described butterfly valve 24 cuts out, described vacuum generator 22 is started working, described storage tank 21 is internal forms negative pressure under vacuum, fine grained material powder in described thin body feed tank 3 is inhaled in described storage tank 21, described vacuum generator 22 quits work, described air compressor 8 is started working, under gas pressure effect, the material powder in described storage tank 21 is discharged in the external hopper of described agglomerating plant 4；
5) circulation step: when the material powder in described material box 1 is used up, or during arbitrary bin full, arrestment operates, and changes cleaning material box 1 or hopper, subsequently, repeat the above steps 1～step 4 in time, completes following process.
It should be noted that in actual production process, when above-mentioned second time feeding step starts, described first time feeding step is still continuing, and the concrete persistent period should be adjusted according to the upper doses needed for producing.
This utility model uses the mode of automatization that the screening in the conventional course of processing and feeding process are integrated unification, significantly reduces the labor intensity of operator, improves production efficiency.Meanwhile, this utility model also have effectively achieved dustlessization of operation room, controls environmental pollution, protects the healthy of operator.Additionally, this utility model also significantly reduces the waste in screening feeding process for plastics dust, further save the production cost of processing enterprise.On the other hand, this utility model simple in construction, it is easy to assemble, processing enterprise can obtain by assembling the improvement of existing equipment, have highly application value and the strongest suitability.
This utility model still has numerous embodiments, all employing equivalents or equivalent transformation and all technical schemes of being formed, within all falling within protection domain of the present utility model.
Claims (8)
1. an automatic sieving charging equipment, it is characterized in that: include for control equipment overall operation control device, for the feeding device of transferring raw material powder and for sieving the vibration screening device of material powder, described vibration screening device is fixedly connected with thick body feed tank (2) and thin body feed tank (3)；Described feeding device and described vibration screening device are all electrically connected with described control device, described feeding device is fixing with described vibration screening device to be connected, described loading assemblies is connected with material box (1) by powder conduit (5), and described thin body feed tank (3) is connected with described feeding device by powder conduit (5) and completes the feeding to the external hopper of agglomerating plant (4) by described feeding device.
Automatic sieving charging equipment the most according to claim 1, it is characterized in that: described control device includes controller and control panel (7), described control panel (7) is fixedly installed on described feeding device and described vibration screening device.
Automatic sieving charging equipment the most according to claim 1, it is characterized in that: described feeding device includes air compressor (8) and vacuum feeding mechanism, described air compressor (8) is connected by gas conduit (6) is fixing with described vacuum feeding mechanism.
Automatic sieving charging equipment the most according to claim 3, it is characterized in that: described vacuum feeding mechanism includes the first loading assemblies for feeding in described vibration screening device, and for the second loading assemblies of agglomerating plant external hopper (4) feeding, described first loading assemblies is fixing with described material box (1) and described vibration screening device to be connected, and described second loading assemblies is fixing with described thin body feed tank (3) and the external hopper of described agglomerating plant (4) to be connected；Described first loading assemblies is consistent with the structure of described second loading assemblies, all include storage tank (11,21), vacuum generator (12,22), air-operated solenoid valve (13,23) and butterfly valve (14,24), described vacuum generator (12,22), air-operated solenoid valve (13,23) and butterfly valve (14,24) are all connected with described storage tank (11,21), and described air-operated solenoid valve (13,23) and described vacuum generator (12,23) are all electrically connected with described control device and are controlled；Described storage tank (11, 21) blow vent (111 is offered on, 211), charging aperture (112, 212) and discharging opening (113, 213), described storage tank (11, 21) blow vent (111, 211) all it is connected with described air compressor (8), the charging aperture (112) of the storage tank (11) in described first loading assemblies is connected with described material box (1), discharging opening (113) is connected with described vibration screening device, the charging aperture (212) of the storage tank in described second loading assemblies is connected with described thin body feed tank (3), discharging opening (213) hopper external with described agglomerating plant (4) is connected.
Automatic sieving charging equipment the most according to claim 1, it is characterized in that: described vibration screening device includes outer container (31), screening mechanism and vibrating mechanism, described screening mechanism and described vibrating mechanism may be contained within described outer container (31), and described vibrating mechanism is arranged at the lower section of described screening mechanism and provides power for it.
Automatic sieving charging equipment the most according to claim 5, it is characterised in that: described screening mechanism includes sieving box (32) and being fixedly installed on the screen cloth (33) in described sieve box (32)；Described sieve box (32) top offers material inlet (321), described sieve box (32) side is to offering thick material outlet (322) and thin material outlet (323), and the plane at described thick material outlet (322) place is higher than the plane at described thin material outlet (323) place；Described thick material outlet (322) is fixing with described thick body feed tank (2) to be connected, and described thin material outlet (323) is fixing with described thin body feed tank (3) to be connected；Described screen cloth (33) is arranged in the plane at described thick material outlet (322) place, bottom, described screen cloth (33) lower section is additionally provided with at least one row for promoting the vibration pearl (34) of vibration efficiency and for vibrating the gripper shoe (35) of pearl (34) described in support, described gripper shoe uniformly offers through hole on (35), the aperture of described through hole is less than the diameter of described vibration pearl (34), and the quantity of described through hole is more than the quantity of described vibration pearl (34).
Automatic sieving charging equipment the most according to claim 6, it is characterised in that: described vibrating mechanism includes balancing spring (36) and is arranged at the vibration component of described balancing spring (36) medial center position；Described vibration component includes outer housing (37) and is arranged at the eccentric block in described outer housing (37), and being additionally provided with driving motor in described outer housing (37), described eccentric block is electrically connected with described driving motor and is driven by；All bottoms with described sieve box (32), the top of described outer housing (37) and described balancing spring (36) touch.
Automatic sieving charging equipment the most according to claim 5, it is characterised in that: the bottom of described material box (1), outer container (31), thick body feed tank (2), thin body feed tank (3) and the external hopper of described agglomerating plant (4) is provided with roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521023414.2U CN205570755U (en) | 2015-12-11 | 2015-12-11 | Automatic screening charging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521023414.2U CN205570755U (en) | 2015-12-11 | 2015-12-11 | Automatic screening charging equipment |
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| Publication Number | Publication Date |
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| CN205570755U true CN205570755U (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521023414.2U Withdrawn - After Issue CN205570755U (en) | 2015-12-11 | 2015-12-11 | Automatic screening charging equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538537A (en) * | 2015-12-11 | 2016-05-04 | 南车戚墅堰机车车辆工艺研究所有限公司 | Automatic screening and charging equipment and charging method thereof |
| CN108672261A (en) * | 2018-04-03 | 2018-10-19 | 泸州北方化学工业有限公司 | A kind of liquid phase screening plant |
| CN110217599A (en) * | 2019-05-29 | 2019-09-10 | 浙江固特气动科技股份有限公司 | A kind of efficient transportation system of pebble coal |
| CN110523630A (en) * | 2019-08-06 | 2019-12-03 | 徐州贝峰机械制造有限公司 | A kind of vacuum vibration of engineering machinery easily ships granule dedusting equipment |
| CN112588569A (en) * | 2020-12-25 | 2021-04-02 | 航天海鹰(哈尔滨)钛业有限公司 | Vibrating screen material machine for supplementing powder |
-
2015
- 2015-12-11 CN CN201521023414.2U patent/CN205570755U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538537A (en) * | 2015-12-11 | 2016-05-04 | 南车戚墅堰机车车辆工艺研究所有限公司 | Automatic screening and charging equipment and charging method thereof |
| CN105538537B (en) * | 2015-12-11 | 2018-02-16 | 中车戚墅堰机车车辆工艺研究所有限公司 | Automatic sieving charging equipment and its charging method |
| CN108672261A (en) * | 2018-04-03 | 2018-10-19 | 泸州北方化学工业有限公司 | A kind of liquid phase screening plant |
| CN110217599A (en) * | 2019-05-29 | 2019-09-10 | 浙江固特气动科技股份有限公司 | A kind of efficient transportation system of pebble coal |
| CN110217599B (en) * | 2019-05-29 | 2021-04-13 | 浙江固特气动科技股份有限公司 | Efficient pebble coal conveying system |
| CN110523630A (en) * | 2019-08-06 | 2019-12-03 | 徐州贝峰机械制造有限公司 | A kind of vacuum vibration of engineering machinery easily ships granule dedusting equipment |
| CN112588569A (en) * | 2020-12-25 | 2021-04-02 | 航天海鹰(哈尔滨)钛业有限公司 | Vibrating screen material machine for supplementing powder |
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| CP01 | Change in the name or title of a patent holder |
Address after: 213011 Wuyi Road, Changzhou, Jiangsu province No. 51 Road, No. 258 Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Address before: 213011 Wuyi Road, Changzhou, Jiangsu province No. 51 Road, No. 258 Patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. |
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Effective date of registration: 20161024 Address after: 213011 Wuyi Road, Changzhou, Jiangsu province No. 51 Road, No. 258 Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Patentee after: CHANGZHOU LANGRUI CASTING Co.,Ltd. Address before: 213011 Wuyi Road, Changzhou, Jiangsu province No. 51 Road, No. 258 Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160914 Effective date of abandoning: 20180216 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160914 Effective date of abandoning: 20180216 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |