CN203542305U - Automatic polishing equipment - Google Patents
Automatic polishing equipment Download PDFInfo
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- CN203542305U CN203542305U CN201320579242.1U CN201320579242U CN203542305U CN 203542305 U CN203542305 U CN 203542305U CN 201320579242 U CN201320579242 U CN 201320579242U CN 203542305 U CN203542305 U CN 203542305U
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- polishing
- abrasive band
- driving wheel
- polishing equipment
- automatic polishing
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- 238000005498 polishing Methods 0.000 title claims abstract description 126
- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 239000000463 material Substances 0.000 claims abstract description 37
- 230000003028 elevating effect Effects 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000003754 machining Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000007774 longterm Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses automatic polishing equipment comprising a workbench, a conveying belt arranged on the workbench and at least one polishing mechanism arranged above the conveying belt. The polishing mechanism comprises a driving wheel and a driven wheel which are respectively arranged on two sides of the conveying belt, a polishing motor which is connected with the driving wheel and which supplies power for the same, and polishing belts wrapping on the surfaces of the driving wheel and driven wheel. The polishing belts are connected with the driving belt and the driven belt, and contact with material to be polished to form a polishing plane. The automatic polishing equipment is high in polishing efficiency, good in polishing effect and high in accuracy, and is particularly adaptable to polishing and machining different materials.
Description
Technical field
The utility model relates to a kind of sander, in particular a kind of novel structure, the effective automatic polishing equipment of polishing.
Background technology
In actual production, staff utilizes sander to carry out surface finish processing to materials such as timber, marbles, traditional sander in use has the following disadvantages: 1. two of traditional sander rollers are setting up and down, polishing abrasive band is wound around roller and is vertically set on transportation surface top, during polishing, only have the abrasive band contact material at the tangent plane place of lower surface roller, polishing area is little, length consuming time, polishing poor effect; 2. equipment regulates inconvenient: material dissimilar, different-thickness is polished, need to regulate the distance between abrasive band and transportation surface, traditional sander is to reach by up-down adjustment workbench the object that regulates the distance between abrasive band and transportation surface, because workbench volume is large, quality is large, move up and down very inconveniently, while regulating, be difficult to keep transportation surface level simultaneously.Traditional sander precision is low, easy worn out material during polishing, polishing weak effect.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The purpose of this utility model is to provide a kind of automatic polishing equipment, is intended to solve traditional sander and regulates inconvenience, and precision is low, easy worn out material during polishing, the technical problems such as polishing weak effect.
The technical solution of the utility model is as follows: a kind of automatic polishing equipment, comprise workbench, be arranged on conveyer belt on workbench and at least one is arranged on the workpiece polishing mechanism of conveyer belt top, wherein, described workpiece polishing mechanism comprises that the driving wheel that is separately positioned on conveyer belt both sides is connected with driven pulley, with driving wheel and the polishing motor of power is provided and is wound on driving wheel and the abrasive band on driven pulley surface for driving wheel; Reel and connect driving wheel and driven pulley in described abrasive band, and be polished material and contact and form the plane of polishing.
Described automatic polishing equipment, wherein, described automatic polishing equipment also comprises the elevating mechanism that regulates the distance between polishing plane and conveyer belt plane, described elevating mechanism is connected with workpiece polishing mechanism, drives workpiece polishing mechanism to move up and down.
Described automatic polishing equipment, wherein, described workpiece polishing mechanism also comprises the press strip in tensioning abrasive band, described press strip is arranged between driving wheel and driven pulley, is placed in the top of the polishing plane of abrasive band formation.
Described automatic polishing equipment, wherein, described workpiece polishing mechanism also comprises along the abrasive band micro-adjusting mechanism of transporting direction fine setting position, abrasive band.
Described automatic polishing equipment, wherein, the axle center of described driving wheel and driven pulley is all parallel to transporting direction setting, and described polishing plane horizontal vertical is in transporting direction.
Described automatic polishing equipment, wherein, described elevating mechanism comprise be arranged on conveyer belt both sides fluctuating orbit, be arranged on fluctuating orbit leading screw and the elevating bracket being fixedly connected with driven pulley with driving wheel respectively on one side; Described elevating bracket slides up and down and is arranged on fluctuating orbit, and is connected with leading screw spiral; Described elevating mechanism also comprises the servomotor that drives leading screw to rotate, and described leading screw rotates and drives elevating bracket to move up and down on fluctuating orbit.
Described automatic polishing equipment, wherein, described abrasive band micro-adjusting mechanism comprises the fixed block that is arranged between driving wheel and driven pulley, be placed in adjustable pulley that fixed block top contact with the inner surface of the abrasive band first half, be placed in the adjusting slider that fixed block below regulates the adjusting rod of abrasive band elasticity and the setting of sliding, and described adjusting slider, adjustable pulley, fixed block and adjusting rod are in turn connected to form the lever adjustment structure of adjusting abrasive band elasticity; On described fixed block, be provided with along the adjusting knob of transporting direction fine setting position, abrasive band.
Described automatic polishing equipment, wherein, described leading screw arranges two, is symmetricly set on respectively conveyer belt both sides; Between described two rhizoid thick sticks, be provided with transmission device, described transmission device connects respectively two rhizoid thick sticks by belt; Described servomotor connects a wherein rhizoid thick stick, and connects an other rhizoid thick stick by transmission device.
Described automatic polishing equipment, wherein, described workpiece polishing mechanism also comprises that compression is polished the pressure roller of material, described pressure roller is fixedly installed on press strip one side, be arranged in parallel with press strip.
Described automatic polishing equipment, wherein, described automatic polishing equipment arranges two workpiece polishing mechanisms, is respectively corase grind mechanism and fine grinding mechanism.
The beneficial effects of the utility model: the utility model is by arranging driving wheel and driven pulley in conveyer belt both sides, reel and connect driving wheel and driven pulley formation polishing plane in abrasive band, this polishing plane horizontal vertical is in transportation plane, pass through this setup, the contact area that has increased abrasive band and material, has improved grinding efficiency; The utility model, by polishing plane, press strip being set, by press strip tensioning abrasive band, guarantees stability and reliability that abrasive band contacts with material, improves polishing quality; The utility model is by arranging abrasive band micro-adjusting mechanism, can regulate the elasticity in abrasive band on the one hand, further meet the polishing demand of different materials, can on transporting direction, finely tune position, abrasive band on the other hand, change the relative position between abrasive band and press strip, more reasonably utilize abrasive band, avoid abrasive band owing to polishing and damage too early in long-term part, extend the replacement cycle in abrasive band; The utility model is by arranging elevating mechanism, elevating mechanism directly drives workpiece polishing mechanism to move up and down, regulate the distance between abrasive band and transportation surface, workpiece polishing mechanism is simple in structure on the one hand, be convenient to move up and down, because workpiece polishing mechanism quality volume is little, in the process of up-down adjustment, easily guarantee polishing planar horizontal on the other hand, guaranteed the polishing quality of grinding apparatus.
Accompanying drawing explanation
Fig. 1 is the structural representation of automatic polishing equipment in the utility model.
Fig. 2 is the front view of automatic polishing equipment in the utility model.
Fig. 3 is the structure enlarged drawing of abrasive band micro-adjusting mechanism in the utility model.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, clear and definite, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.
The utility model discloses a kind of automatic polishing equipment, as depicted in figs. 1 and 2, comprise workbench 100, be arranged on conveyer belt 200 on workbench 100 and at least one is arranged on the workpiece polishing mechanism of conveyer belt 200 tops, this workpiece polishing mechanism comprises that the driving wheel 310 that is separately positioned on conveyer belt 200 both sides is connected with driven pulley 320, with driving wheel 310 and the polishing motor 330 of power is provided and is wound on driving wheel 310 and the abrasive band 340 on driven pulley 320 surfaces for driving wheel 310; Reeling and connect driving wheel 310 and driven pulley 320 in this abrasive band 340, forms polishing plane; During actual use, the axle center of driving wheel 310 and driven pulley 320 is all parallel to transporting direction setting, polishing plane horizontal vertical is in transporting direction: be wound on abrasive band 340 between driving wheel 310 and driven pulley 320 by the drive high speed rotating of driving wheel 310, the Lower Half in abrasive band 340 contacts with the material being polished 700, and material 700 is polished.By abrasive band 340 is horizontally disposed with, form horizontal vertical in the polishing plane of transportation plane, overcome traditional sander and caused owing to only having the abrasive band contact at the tangent plane place of bottom roller to be polished material 700 technical problem that buffed surface is little, abrasive band 340 and the contact-making surface that is polished material have greatly been increased, not only improved grinding efficiency, and polishing effect is better.
In actual production, consider because abrasive band 340 is horizontally disposed with, abrasive band 340 be polished material and contact unstable, the utility model arranges the press strip 350 in a tensioning abrasive band, utilize this press strip 350 tensioning abrasive bands 340, press strip 350, lower than abrasive band 340 planes, plays guide effect, avoids abrasive band 340 to move forward and backward.Press strip 350 is through processing, it is a straight narrow plane, press strip 350 compresses abrasive band 340, abrasive band 340 is contacted with workpiece (being polished material), guarantee abrasive band 340 and be polished that material is parallel, continuous, even contact, by press strip 350 is set, make abrasive band 340 and be polished line of material and contact, guarantee abrasive band 340 and the stability, uniformity that is polished material 700 and contacts, the every bit of guaranteeing to be polished material surface can be by uniform grinding, because abrasive band 340 is that line contacts with being polished material, workpiece can excessively not polished, but just right.Concrete, this press strip 350 is arranged between driving wheel 310 and driven pulley 320, be placed in the top of the polishing plane of abrasive band 340 formation, press strip 350 bottoms contact with the upper surface of the Lower Half in abrasive band 340, compress abrasive band 340, the polishing plane of the lower surface formation of abrasive band 340 Lower Halves is fully contacted with being polished material 700, improve the polishing quality of grinding apparatus.
Further, owing to being provided with press strip 350, in actual polishing, only have press strip 350 compress abrasive bands 340 place can be polished material 700 and fully contact, after using so long-term, on abrasive band 340 long-term be polished the place that material fully contacts and easily occur wearing and tearing, the utility model arranges one along the abrasive band micro-adjusting mechanism 400 of transporting direction fine setting position, abrasive band, by the relative position between these abrasive band micro-adjusting mechanism 400 fine setting abrasive bands 340 and press strip 350, other positions on abrasive band 340 are fully contacted and be polished material, be conducive on the one hand improve polishing quality, extended greatly on the other hand the replacement cycle in abrasive band 340.
In actual use, this abrasive band micro-adjusting mechanism 400 can regulate manually, or by control circuit, connects processor and automatically regulate.
In the present embodiment, as shown in Figure 3, abrasive band micro-adjusting mechanism 400 mainly comprises the fixed block 410 being arranged between driving wheel 310 and driven pulley 320, be placed in the adjustable pulley 420 that fixed block 410 tops contact with the lower surface of abrasive band 340 first halves, be placed in the adjusting rod 430 of fixed block 410 adjusting abrasive band, below 340 elasticities and the adjusting slider 440 that slides and arrange, described adjusting slider 440, adjustable pulley 420, fixed block 410 and adjusting rod 430 are in turn connected to form the lever adjustment structure (referring to Fig. 3) that regulates abrasive band 340 elasticities: by this structure fine setting abrasive band 340 Hubei Province elasticities are set, can make abrasive band better meet the polishing demand of different materials, also facilitate staff to regulate according to actual needs the elasticity in abrasive band 340 simultaneously, concrete, on fixed block 410, be provided with along the adjusting knob 450 of transporting direction fine setting position, abrasive band, adjustable pulley 420 is fixedly connected with along transporting direction with abrasive band 340, be can move along the direction of motion in abrasive band 340 on adjustable pulley 420, but on transporting direction, adjustable pulley 420 with abrasive band 340 relative to fixing: adjusting knob 450 rotates can finely tune the position of adjustable pulley 420 on transporting direction, thereby drive abrasive band 340 to move up in transporter, realization is the fine setting on transporting direction to abrasive band 340, reach the effect that regulates the relative position between abrasive band 340 and press strip 350.
In order to make the utility model be applicable to the material of different-thickness to polish, automatic polishing equipment of the present utility model also comprises the elevating mechanism that regulates the distance between polishing plane and conveyer belt plane, this elevating mechanism is connected with workpiece polishing mechanism, drive workpiece polishing mechanism moves up and down: by driving workpiece polishing mechanism to move up and down, thereby change the distance between abrasive band 340 and conveyer belt 200, make the utility model be applicable to the material of different-thickness to polish.
In the present embodiment, elevating mechanism comprise be arranged on conveyer belt both sides fluctuating orbit 520, be arranged on fluctuating orbit leading screw 510 and the elevating bracket 530 being fixedly connected with driven pulley 320 with driving wheel 310 respectively on one side; This elevating bracket 530 slides up and down and is arranged on fluctuating orbit 520, and is connected with leading screw 510 spirals; Elevating mechanism also comprises the servomotor 540 that drives leading screw 510 to rotate: servomotor 540 drives leading screw 510 to rotate, thereby drive elevating bracket 530 to move up and down on fluctuating orbit 520, and elevating bracket 530 is fixedly connected with driven pulley 320 with driving wheel 310, the motor 330 of simultaneously polishing also can be arranged on elevating bracket 530, therefore elevating bracket 530 moves up and down the whole workpiece polishing mechanism of direct drive and moves up and down, and reaches the technique effect that regulates the distance between abrasive band 340 and conveyer belt 200.
Concrete, leading screw 510 arranges two, is symmetricly set on respectively conveyer belt 200 both sides; Between two rhizoid thick sticks 510, be provided with transmission device 550, this transmission device 550 connects respectively two rhizoid thick sticks 510 by belt; Servomotor 540 connects a wherein rhizoid thick stick 510, and connect an other rhizoid thick stick 510 by transmission device 550: servomotor 540 work drive a wherein rhizoid thick stick 510 to rotate, and drive another rhizoid thick stick 510 to rotate by transmission device 550, level moves up and down the elevating bracket 530 that is arranged on conveyer belt 200 both sides, thereby reached when the whole workpiece polishing mechanism of up-down adjustment, polishing plane keeps the technique effect of level.
In bruting process, in order to guarantee to be polished the steadiness of material, workpiece polishing mechanism also comprises that compression is polished the pressure roller 600 of material, and this pressure roller 600 is fixedly installed on press strip 350 1 sides, be arranged in parallel with press strip 350.
In the present embodiment, automatic polishing equipment arranges two workpiece polishing mechanisms, is respectively fine grinding mechanism and corase grind mechanism, and the abrasive band that this fine grinding mechanism and corase grind mechanism are used is not identical.But the utility model does not limit the quantity of workpiece polishing mechanism and the type in the abrasive band of using, the type in the quantity of workpiece polishing mechanism and the abrasive band of using need to be according to needs of production setting.
The utility model is by arranging driving wheel 310 and driven pulley 320 in conveyer belt 200 both sides, reel and connect driving wheel 310 and driven pulley 320 formation polishing planes in abrasive band 340, this polishing plane horizontal vertical is in transportation plane, pass through this setup, increase the contact area of abrasive band 340 with material, improved grinding efficiency; The utility model, by polishing plane, press strip 350 being set, by press strip 350 tensioning abrasive bands 340, guarantees stability and reliability that abrasive band 340 contacts with material, improves polishing quality; The utility model is by arranging abrasive band micro-adjusting mechanism 400, can regulate the elasticity in abrasive band 340 on the one hand, further meet the polishing demand of different materials, can on transporting direction, finely tune 340 positions, abrasive band on the other hand, change the relative position between abrasive band and press strip 350, more reasonably utilize abrasive band, avoid abrasive band owing to polishing and damage too early in long-term part, extend the replacement cycle in abrasive band 340; The utility model is by arranging elevating mechanism, elevating mechanism directly drives workpiece polishing mechanism to move up and down, regulate the distance between abrasive band 340 and transportation surface, workpiece polishing mechanism is simple in structure on the one hand, be convenient to move up and down, because workpiece polishing mechanism quality volume is little, in the process of up-down adjustment, easily guarantee polishing planar horizontal on the other hand, guarantee the polishing quality of grinding apparatus.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or convert, all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (10)
1. an automatic polishing equipment, comprise workbench, be arranged on conveyer belt on workbench and at least one is arranged on the workpiece polishing mechanism of conveyer belt top, it is characterized in that, described workpiece polishing mechanism comprises that the driving wheel that is separately positioned on conveyer belt both sides is connected with driven pulley, with driving wheel and the polishing motor of power is provided and is wound on driving wheel and the abrasive band on driven pulley surface for driving wheel; Reel and connect driving wheel and driven pulley in described abrasive band, and be polished material and contact and form the plane of polishing.
2. automatic polishing equipment according to claim 1, it is characterized in that, described automatic polishing equipment also comprises the elevating mechanism that regulates the distance between polishing plane and conveyer belt plane, and described elevating mechanism is connected with workpiece polishing mechanism, drives workpiece polishing mechanism to move up and down.
3. automatic polishing equipment according to claim 2, is characterized in that, described workpiece polishing mechanism also comprises the press strip in tensioning abrasive band, and described press strip is arranged between driving wheel and driven pulley, is placed in the top of the polishing plane of abrasive band formation.
4. automatic polishing equipment according to claim 3, is characterized in that, described workpiece polishing mechanism also comprises along the abrasive band micro-adjusting mechanism of transporting direction fine setting position, abrasive band.
5. automatic polishing equipment according to claim 4, is characterized in that, the axle center of described driving wheel and driven pulley is all parallel to transporting direction setting, and described polishing plane horizontal vertical is in transporting direction.
6. automatic polishing equipment according to claim 5, is characterized in that, described elevating mechanism comprise be arranged on conveyer belt both sides fluctuating orbit, be arranged on fluctuating orbit leading screw and the elevating bracket being fixedly connected with driven pulley with driving wheel respectively on one side; Described elevating bracket slides up and down and is arranged on fluctuating orbit, and is connected with leading screw spiral; Described elevating mechanism also comprises the servomotor that drives leading screw to rotate, and described leading screw rotates and drives elevating bracket to move up and down on fluctuating orbit.
7. automatic polishing equipment according to claim 6, it is characterized in that, described abrasive band micro-adjusting mechanism comprises the fixed block that is arranged between driving wheel and driven pulley, be placed in adjustable pulley that fixed block top contact with the inner surface of the abrasive band first half, be placed in the adjusting slider that fixed block below regulates the adjusting rod of abrasive band elasticity and the setting of sliding, and described adjusting slider, adjustable pulley, fixed block and adjusting rod are in turn connected to form the lever adjustment structure of adjusting abrasive band elasticity; On described fixed block, be provided with along the adjusting knob of transporting direction fine setting position, abrasive band.
8. automatic polishing equipment according to claim 7, is characterized in that, described leading screw arranges two, is symmetricly set on respectively conveyer belt both sides; Between described two rhizoid thick sticks, be provided with transmission device, described transmission device connects respectively two rhizoid thick sticks by belt; Described servomotor connects a wherein rhizoid thick stick, and connects an other rhizoid thick stick by transmission device.
9. automatic polishing equipment according to claim 5, is characterized in that, described workpiece polishing mechanism also comprises that compression is polished the pressure roller of material, and described pressure roller is fixedly installed on press strip one side, be arranged in parallel with press strip.
10. automatic polishing equipment according to claim 5, is characterized in that, described automatic polishing equipment arranges two workpiece polishing mechanisms, is respectively corase grind mechanism and fine grinding mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320579242.1U CN203542305U (en) | 2013-09-18 | 2013-09-18 | Automatic polishing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320579242.1U CN203542305U (en) | 2013-09-18 | 2013-09-18 | Automatic polishing equipment |
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| Publication Number | Publication Date |
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| CN203542305U true CN203542305U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320579242.1U Expired - Fee Related CN203542305U (en) | 2013-09-18 | 2013-09-18 | Automatic polishing equipment |
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| CN (1) | CN203542305U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495921A (en) * | 2013-09-18 | 2014-01-08 | 佛山市杰成自动化设备有限公司 | Automatic grinding device |
| CN105666290A (en) * | 2016-01-29 | 2016-06-15 | 苏州普维迪工业自动化有限公司 | Large plane grinding device for grinding hardware pliers tool and method based on large plane grinding device |
| CN106346341A (en) * | 2016-11-29 | 2017-01-25 | 苏州阿西机器人有限公司 | Industrial automatic grinding equipment |
| CN110977700A (en) * | 2019-12-05 | 2020-04-10 | 大同新成新材料股份有限公司 | Blank polishing machine tool for intelligent carbon sliding plate production and polishing method thereof |
| CN112157430A (en) * | 2020-08-24 | 2021-01-01 | 徐州洪硕矿山机械配件有限公司 | Cast iron hot repair welding device |
-
2013
- 2013-09-18 CN CN201320579242.1U patent/CN203542305U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495921A (en) * | 2013-09-18 | 2014-01-08 | 佛山市杰成自动化设备有限公司 | Automatic grinding device |
| CN105666290A (en) * | 2016-01-29 | 2016-06-15 | 苏州普维迪工业自动化有限公司 | Large plane grinding device for grinding hardware pliers tool and method based on large plane grinding device |
| CN105666290B (en) * | 2016-01-29 | 2018-01-19 | 苏州普维迪工业自动化有限公司 | The big plane grinding apparatus and its method of hardware clamp type tool grinding |
| CN106346341A (en) * | 2016-11-29 | 2017-01-25 | 苏州阿西机器人有限公司 | Industrial automatic grinding equipment |
| CN110977700A (en) * | 2019-12-05 | 2020-04-10 | 大同新成新材料股份有限公司 | Blank polishing machine tool for intelligent carbon sliding plate production and polishing method thereof |
| CN110977700B (en) * | 2019-12-05 | 2020-12-18 | 大同新成新材料股份有限公司 | Blank polishing machine tool for intelligent carbon sliding plate production and polishing method thereof |
| CN112157430A (en) * | 2020-08-24 | 2021-01-01 | 徐州洪硕矿山机械配件有限公司 | Cast iron hot repair welding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181205 Address after: 528000 Room 2305, 31 Dongping Road, Chancheng District, Foshan City, Guangdong Province Patentee after: Xu Chengbing Address before: 528000 Three No.9 and No.10 of Jiangbian Market in Zumiao Street Suburb, Chancheng District, Foshan City, Guangdong Province Patentee before: Foshan City outstanding one-tenth automation equipment Co., Ltd |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20190918 |