CN202878035U - Steel pipe outside surface grinding system - Google Patents
Steel pipe outside surface grinding system Download PDFInfo
- Publication number
- CN202878035U CN202878035U CN 201220493772 CN201220493772U CN202878035U CN 202878035 U CN202878035 U CN 202878035U CN 201220493772 CN201220493772 CN 201220493772 CN 201220493772 U CN201220493772 U CN 201220493772U CN 202878035 U CN202878035 U CN 202878035U
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- grinding
- steel tube
- steel pipe
- track
- pulley mechanism
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Abstract
The utility model discloses a steel pipe outside surface grinding system comprising tracks, a pulley mechanism, a riding wheel device and a grinding mechanism, wherein the tracks are paved on the ground, the pulley mechanism is arranged on the tracks and supported by the tracks and walks on the tracks, the riding wheel device is arranged on the pulley mechanism and supports and drives a steel pipe to rotate, the grinding mechanism is fixedly installed on one side of the tracks and grinds the outside surface of the steel pipe, and the grinding mechanism is composed of a plurality of grinding units, and each grinding unit grinds the outside surface of the steel pipe in a dry grinding mode. The steel pipe outside surface grinding system is appropriate for machining steel pipes with the length range of 4-12.5 m. The grinding mechanism is arranged on one side of the tracks, and the plurality of grinding units are used for carrying out coarse grinding, fine grinding, polishing and other operations to one steel pipe.
Description
Technical field
The utility model relates to grinding attachment, relates in particular to the system for the grinding outer surface of steel tube, belongs to steel pipe machining processor tool technical field.
Background technology
Steel pipe is in making process, traditional mode is steel pipe to be placed carry out grinding on the grinding machine, specifically, the bistrique that is equipped with on the grinding machine during operation carries out grinding to an end of steel pipe first, withdrawing behind the grinding certain distance, rotating grinding head starts bistrique and again the steel pipe other end is carried out grinding so that bistrique is aimed at the other end of steel pipe, through twice grinding or repeatedly finish whole grinding process after the grinding.Namely existing grinding machine formula grinding attachment adopts the end of a bistrique in the two ends of steel pipe to begin to other end grinding, because steel pipe is to be ground at grinding machine, grinding machine need to arrange to such an extent that slightly be longer than steel pipe to be ground, like this length of steel pipe is had certain restriction, can not the long steel pipe of grinding.In addition, such as need steel pipe is carried out deep processing, such as corase grind, correct grinding and polishing, make its outer surface grinding degree higher, then will can produce a desired effect to the grinding that outer surface of steel tube carries out repeatedly several times.
Therefore demand urgently proposing a kind of time saving and energy saving, once can carry out multiple grinding and be suitable for the expeditiously grinding attachment of the longer steel pipe of grinding outer surface of steel tube.
The utility model content
For solving the problem that grinding length is limited and the grinding degree is not high that exists in the prior art, according to scheme of the present utility model, provide a kind of grinding system that can once carry out multiple grinding to steel pipe, specific embodiments is as follows:
A kind of outer surface of steel tube grinding system comprises: be laid on ground track; Be arranged on the described track, by described rail support and the pulley mechanism of walking at described track; Be arranged on the pulley mechanism, supporting also drives the riding wheel apparatus that steel pipe rotates; And the grinding mechanism that is fixedly mounted on a side of described track, outer surface of steel tube is carried out grinding, wherein, described grinding mechanism is comprised of a plurality of grinding units, and each described grinding unit carries out grinding in the mode of dry grinding to outer surface of steel tube.
Each grinding unit comprises respectively: the actuating unit that power is provided for grinding, outer surface of steel tube is carried out the bistrique of grinding, and the drive disk assembly that connects actuating unit and bistrique and under the driving of actuating unit, rotate with rotary bistrique, the quantity of described grinding unit is five, wherein the bistrique of three grinding units is emery wheel, the bistrique of two grinding units is the abrasive band, and described five grinding units are arranged sequentially on the operating platform of grinding mechanism along the track bearing of trend.
According to the utility model outer surface of steel tube grinding system, utilize track and pulley mechanism to substitute traditional grinding machine, be applicable to process the steel pipe of all lengths that comprises 4-12.5m.Pulley mechanism is set on the track, the riding wheel apparatus of support steel pipe is set on the pulley mechanism, the axis of steel pipe is parallel with the bearing of trend of track, and pulley mechanism can drive steel pipe and walk in orbit.Grinding mechanism is arranged on a side of track, utilize three emery wheel grinding-heads and two abrasive belt grinding heads respectively to a steel pipe roughly grind, finish grind, the operation such as polishing.
The outer surface of steel tube grinding system also comprises a plurality of pressure-regulating devices, and described a plurality of pressure-regulating devices are arranged on the operating platform of grinding mechanism, each pressure-regulating device respectively with the interlock of the drive disk assembly of each grinding unit.
Described pressure-regulating device comprises cylinder and elevating mechanism, and described elevating mechanism is arranged between described cylinder and the operating platform.
Described pressure-regulating device is electrically connected with programmable control system, and described programmable control system has control panel, and under the control of the instruction of described programmable control system, described pressure-regulating device changes the size of the value of its power output.
The outer surface of steel tube grinding system also comprises sensing apparatus, and the positional information of described sensing device senses steel pipe also sends to grinding mechanism with the information that senses in the mode of the signal of telecommunication.
Compare with traditional grinding attachment, be equipped with pressure-regulating device according to outer surface of steel tube grinding system of the present utility model, its main part of described pressure-regulating device is cylinder, also comprise elevating mechanism, cylinder and elevating mechanism all play adjusting, and wherein elevating mechanism plays the effect of coarse adjustment, regulate bistrique with respect to the initial position of steel pipe by elevating mechanism, and utilize cylinder to realize the pressure fine setting making bistrique in grinding process, can change the size of grinding force, have the pressure adjustability.The pressure resizability of pressure-regulating device is mainly realized by cylinder, also can utilize programmable control system to come the auxiliary adjustment pressure output value.
The outer surface of steel tube grinding system also comprises driving mechanism, and described driving mechanism links to each other with pulley mechanism, and its driving pulley mechanism in orbit speed is walked changeably.
Described driving mechanism comprises the first guiding parts and the second guiding parts that is arranged at respectively described pulley mechanism both sides along the track bearing of trend, described driving mechanism links to each other with described pulley mechanism by the flexible drawing parts, and described the first guiding parts of described flexible drawing parts pile warp and the second guiding parts also pass described pulley mechanism.
Described the first guiding parts is reel, described driving mechanism is motor, and it is electrically connected with programmable control system, and described programmable control system has control panel, under the control of the instruction of described programmable control system, described driven by motor reel rotates with the speed of appointment.
Described pulley mechanism is provided as two, and the sidepiece of each pulley mechanism arranges secure component in the path that described flexible drawing parts pass, and described secure component is fixed described flexible drawing parts.
According to outer surface of steel tube grinding system of the present utility model, pulley mechanism can be arranged in pairs on the track, driving mechanism is arranged on an end of track, be connected with pulley mechanism by the flexible drawing parts, during work, motor rotation drives the first guiding parts and rotates, flexible drawing parts on the first guiding parts are subjected to displacement, because the fastened parts of flexible drawing parts limit it with respect to the position of coaster, therefore driving pulley mechanism when the flexible drawing parts are subjected to displacement walks in orbit, and because the restriction effect of secure component, the distance between two pulley mechanisms is constant.When changing steel pipe, adapt to the steel pipe of different length by regulating distance between two pulley mechanisms.In addition, also can utilize programmable control system to come the speed of travel of auxiliary adjustment pulley mechanism, and then regulate the feed speed of steel pipe.
Should be appreciated that above generality is described and following specific descriptions are exemplary and indicative, aim to provide of the present utility model the further specifying to advocating.
Description of drawings
Describe example embodiment of the present utility model in detail by the reference accompanying drawing, above and other feature of the present utility model and advantage will become more obvious, in the accompanying drawings:
Fig. 1 is the overall schematic according to outer surface of steel tube grinding system of the present utility model;
Fig. 2 is the structural representation of driving mechanism;
Fig. 3 is the enlarged diagram of A part among Fig. 1;
Fig. 4 is the structural representation of grinding mechanism;
Fig. 5 is the structural representation of pressure-regulating device.
The corresponding parts of numeral number or toponym are as follows among the figure:
100, track; 101,101 ', coaster; 102,102 ', riding wheel apparatus;
103, grinding mechanism; 104, driving mechanism; 105, pressure-regulating device; 106, sensing apparatus; 107, programmable control system; 108, steel pipe; 109, abrasive dust gathering-device; 110, splashproof shell group; 111, wheel; 112, vehicle frame; 113,113 ', anchor clamps;
121, roller frame; 122,122 ' support roller; 123, support roller motor; 130, operating platform; 131, motor; 132, drive disk assembly; 133, bistrique; 134, the first belt pulley; 135, the second belt pulley; 136, supporting base; 137, support plate; 140, drive motors; 141, shaft coupling; 142, power transmission shaft; 143, brake; 144, the first decelerator; 144 ', the second decelerator; 145 reels; 146, steel wire rope; 147, directive wheel; 151, cylinder; 152, elevating mechanism; 153, joint; 154, contact component; 155, motor; 156 Connection Blocks; 171, control panel; 191, baffle plate; 193, side plate.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model preferred embodiment, technical scheme in the utility model preferred embodiment is clearly and completely described, obviously, described preferred embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The words such as " first " mentioned in the specification, " second " only are used for the difference of difference parts, not as the judgement of time sequencing, position relationship and priority height, " left side ", " right side " in the same literary composition, etc. the word indication be with respect to the orientation in the accompanying drawing.
Fig. 1 is the overall schematic according to outer surface of steel tube grinding system of the present utility model, is specially the schematic diagram of the shown grinding system of side-looking state.
The outer surface of steel tube grinding system comprises: track 100, and coaster 101,101 ', riding wheel apparatus 102,102 ', grinding mechanism 103, driving mechanism 104, pressure-regulating device 105, sensing apparatus 106 and programmable control system 107.
Coaster 101,101 ' be provided as two arranges one group of riding wheel apparatus on each coaster, for the convenience of describing, hereinafter, in the ordinary course of things, only to coaster wherein with and the upper riding wheel apparatus that arranges describe.Explanation is in order to make specification more concise and to the point like this, those skilled in the art should by the description of this specification know another coaster with and the structure that riding wheel apparatus was had and the layout of upper configuration.Equally, for the grinding mechanism 103 that is consisted of by a plurality of grinding units, hereinafter, in the ordinary course of things, only one of them grinding unit is described.
As shown in Figure 1, track 100 be provided with the two pulleys 101,101 that can move along the bearing of trend of track 100 '.Coaster 101,101 ' on arrange respectively riding wheel apparatus 102,102 ', riding wheel apparatus 102,102 ' support steel pipe 108.Coaster 101,101 ' between connect by steel wire rope 146, and under the drive of steel wire rope 146 in the same way, synchronously motion.Driving mechanism 104 is arranged on an end of track 100, it comprises the reel 145 that is positioned at track 100 described ends and the directive wheel 147 that is positioned at track 100 other ends, steel wire rope 146 via reel 145 and directive wheel 147 guiding and pass two pulleys 101,101 ', from outer surface of steel tube grinding system side, has the shape of similar closed hoop.Grinding mechanism 103 is fixedly mounted on a side of track 100, is used for steel pipe 108 outer surfaces are carried out grinding.Grinding mechanism 103 is comprised of five grinding units, wherein three grinding units rely on emery wheel to carry out grinding, two grinding units rely on the abrasive band to carry out grinding, five grinding units are arranged sequentially on the operating platform 130 of grinding mechanism 103 along track 100 bearing of trends, utilize five grinding units respectively to a steel pipe roughly grind, finish grind, the operation such as polishing.Each grinding unit carries out grinding in the mode of dry grinding to steel pipe 108 outer surfaces.
Fig. 2 is the structural representation of driving mechanism, is specially the schematic diagram of the shown driving mechanism of the state of overlooking.The main body of driving mechanism 104 is drive motors 140, and it is connected on brake 143 and the first decelerator 144 successively by shaft coupling 141 and power transmission shaft 142.In order to reach suitable speed ratio, relatively slow feed speed is provided, also be provided with the second decelerator 144 ', described the second decelerator 144 ' one ends link to each other with the first decelerator 144 by shaft coupling, the other end links to each other with reel 145.During work, drive motors 140 utilizes the first decelerator 144 and the second decelerator 144 ' adjusting speed ratio and controls the velocity of rotation of reel 145.Reel 145 is round roller, is wound with steel wire rope 146 on it, drive steel wire rope 146 when reel 145 rotates and be subjected to displacement, steel wire rope 146 pass coaster 101,101 ' and at the other end of track 100 by directive wheel 147 guiding.Under the traction of steel wire rope 146, two pulleys 101,101 ' in the same way, synchronously walking.
Although adopt in a preferred embodiment steel wire rope 146 as traction element, those skilled in the art should be understood that, can also adopt other forms of traction element, such as drag chain, belt etc.
Fig. 3 is the enlarged diagram of A part among Fig. 1, be depicted as right side coaster 101 ', the movement locus that is intended to represent pressure-regulating device 105 with contact component 154 and the support plate 137 of dotted lines among the figure.Fig. 4 is the structural representation of grinding mechanism, describes as an example of the wheel grinding unit example.
As shown in Figure 3 and Figure 4, coaster 101 ' comprise at least wheel 111 and vehicle frame 112, fixed installation riding wheel apparatus 102 on the vehicle frame 112 '.Coaster 101 ' both sides, arrange in the path that steel wire rope 146 passes anchor clamps 113,113 ', anchor clamps 113,113 ' clamping steel wire rope 146, so that coaster 101,101 ' fix with respect to steel wire rope 146, can be along the lead walking of steel wire rope 146.Unclamp in addition anchor clamps 113,113 ' can regulate coaster 101 and coaster 101 ' between distance, be applicable to the steel pipe of different length.
As shown in Figure 4, grinding unit comprises motor 131, drive disk assembly 132 and bistrique 133 at least.Drive disk assembly 132 comprises the first belt pulley 134 and the second belt pulley 135 at least, can also comprise conveyer belt.Motor 131 is fixedly installed on the support plate 137, and described support plate 137 is hinged with supporting base 136.During work, motor 131 drives the first belt pulley 134 and rotates, and drives the second belt pulley 135 and 133 rotations of connected bistrique by conveyer belt.In this grinding unit, select emery wheel as bistrique 133.As distortion, in other grinding unit, can adopt the abrasive band.When adopting the abrasive band, abrasive band pile warp the first belt pulley 134 and the second belt pulley 135, thereby and under the driving of motor 131 running carry out grinding action.Supporting base 136 is fixedly mounted on the operating platform 130, support plate 137 with and the upper motor 131 that arranges with respect to supporting base 136 position changeables, and then regulate the orientation of bistrique 133.
Emery wheel has high rigidity, good heat resistance and toughness, can adopt the mode of dry grinding that steel pipe internal-surface is carried out grinding, does not need to add water in grinding process, and the scrap easily collecting is difficult for causing the pollution of environment.After emery wheel used a period of time, frictional dissipation caused the probability of Grinding Error to become large so that its diameter diminishes, and can change emery wheel by the bolt of the fastening emery wheel that gets loose.
Fig. 5 is the structural representation of pressure-regulating device.As shown in Figure 4 and Figure 5, pressure-regulating device 105 is arranged in the below of drive disk assembly 132 and contacts with the support plate 137 of grinding unit by its contact component 154, and its main body is cylinder 151.Pressure-regulating device 105 also includes, but not limited to joint 153, elevating mechanism 152 and Connection Block 156.Wherein an end of the close operating platform 130 of cylinder 151 is connected with elevating mechanism 152, and the piston rod of cylinder 151 is connected with contact component 154 by joint 153.Contact component 154 has flat surface, and its lower end and joint 153 are hinged, can rotate with respect to cylinder 151 within the specific limits.
Pressure-regulating device 105 is electrically connected with programmable control system 107, the operator can select by control panel 171 grinding program of each grinding unit, such as correct grinding or corase grind, perhaps selects stock removal, 2mm for example, thus make the different different stock removals of grinding unit processing.Programmable control system 107 sends instruction to each pressure-regulating device 105 after determining, each pressure-regulating device 105 is according to instruction control and regulation pressure output value.
Although in the present embodiment, pressure-regulating device 105 and driving mechanism 104 are connected to same programmable control system 107, but be not limited to this, described pressure-regulating device 105 can be connected respectively to different control device with driving mechanism 104, so that suitable pressure output value and feed speed to be provided.
According to outer surface of steel tube grinding system of the present utility model, also comprise sensing apparatus 106.Described sensing apparatus 106 adopts the device action position sensor, such as Tours gram approach switch.Sensing apparatus 106 be arranged on grinding unit near, when coaster 101,101 ' drive steel pipe 108 during through sensing apparatus 106, sensing apparatus 106 senses the positional information of steel pipe 108 and the information that senses is sent to grinding unit in the mode of the signal of telecommunication, grinding unit control bistrique 133 enters the grinding SBR to pressing down.Described sensing apparatus 106 can arrange a plurality of, to send sensitive information to different grinding units.
According to outer surface of steel tube grinding system of the present utility model, in the grinding mechanism 103 peripheral splashproof shell groups 110 of installing, described splashproof shell group 110 upwards holds up and seals the headroom of grinding mechanism 103 from the track both sides, so that the abrasive dust that steel pipe 108 produces when grinding can not be splashed in other mechanisms, in addition, because grinding action is carried out in described splashproof shell group 110, can also play the effect of subduing noise.
Also be provided with abrasive dust gathering-device 109 with grinding mechanism 103 about the relative side of track 100.Described abrasive dust gathering-device 109 is arranged in the splashproof shell group 110, is arranged to parallelly with steel pipe 108, and its side towards grinding mechanism 103 has baffle plate 191 and side plate 193.Has open zone between baffle plate 191 and the side plate 193.When the emery wheel of bistrique 133/described steel pipe 108 outer surface of abrasive band revolution grinding, abrasive dust flies out along the tangential direction of steel pipe 108 with emery wheel/abrasive band contact-making surface, and the zone by above-mentioned opening falls in the abrasive dust gathering-device 109.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, in other embodiments realization.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an outer surface of steel tube grinding system is characterized in that, comprising:
Be laid on ground track;
Be arranged on the described track, by described rail support and the pulley mechanism of walking at described track;
Be arranged on the described pulley mechanism, supporting also drives the riding wheel apparatus that steel pipe rotates; And
The grinding mechanism that is fixedly mounted on a side of described track, outer surface of steel tube is carried out grinding,
Wherein said grinding mechanism is comprised of a plurality of grinding units, and each described grinding unit carries out grinding in the mode of dry grinding to outer surface of steel tube.
2. outer surface of steel tube grinding system as claimed in claim 1 is characterized in that,
Each described grinding unit is included as respectively grinding and provides the actuating unit of power, outer surface of steel tube is carried out the bistrique of grinding and connect actuating unit and bistrique and the drive disk assembly that rotates with rotary bistrique under the driving of actuating unit, the quantity of described grinding unit is five, wherein the bistrique of three grinding units is emery wheel, the bistrique of two grinding units is the abrasive band, and described five grinding units are arranged sequentially on the operating platform of grinding mechanism along the track bearing of trend.
3. outer surface of steel tube grinding system as claimed in claim 1 or 2, it is characterized in that, also comprise a plurality of pressure-regulating devices, described a plurality of pressure-regulating devices are arranged on the operating platform of grinding mechanism, each pressure-regulating device respectively with the interlock of the drive disk assembly of each grinding unit.
4. outer surface of steel tube grinding system as claimed in claim 3 is characterized in that, described pressure-regulating device comprises cylinder and elevating mechanism, and described elevating mechanism is arranged between described cylinder and the operating platform.
5. outer surface of steel tube grinding system as claimed in claim 3, it is characterized in that, described pressure-regulating device is electrically connected with programmable control system, described programmable control system has control panel, under the control of the instruction of described programmable control system, described pressure-regulating device changes the size of the value of its power output.
6. outer surface of steel tube grinding system as claimed in claim 1 or 2 is characterized in that, also comprises sensing apparatus, and the positional information of described sensing device senses steel pipe also sends to grinding mechanism with the information that senses in the mode of the signal of telecommunication.
7. outer surface of steel tube grinding system as claimed in claim 1 is characterized in that, also comprises driving mechanism, and described driving mechanism links to each other with pulley mechanism, and its driving pulley mechanism in orbit speed is walked changeably.
8. outer surface of steel tube grinding system as claimed in claim 7, it is characterized in that, described driving mechanism comprises the first guiding parts and the second guiding parts that is arranged at respectively described pulley mechanism both sides along the track bearing of trend, described driving mechanism links to each other with described pulley mechanism by the flexible drawing parts, and described the first guiding parts of described flexible drawing parts pile warp and the second guiding parts also pass described pulley mechanism.
9. outer surface of steel tube grinding system as claimed in claim 8, it is characterized in that, described the first guiding parts is reel, described driving mechanism comprises motor, motor is electrically connected with programmable control system, described programmable control system has control panel, and under the control of the instruction of described programmable control system, described driven by motor reel rotates with the speed of appointment.
10. outer surface of steel tube grinding system as claimed in claim 8 or 9, it is characterized in that, described pulley mechanism is provided as two, and the sidepiece of each pulley mechanism arranges secure component in the path that described flexible drawing parts pass, and described secure component is fixed described flexible drawing parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220493772 CN202878035U (en) | 2012-09-21 | 2012-09-21 | Steel pipe outside surface grinding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220493772 CN202878035U (en) | 2012-09-21 | 2012-09-21 | Steel pipe outside surface grinding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202878035U true CN202878035U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220493772 Expired - Fee Related CN202878035U (en) | 2012-09-21 | 2012-09-21 | Steel pipe outside surface grinding system |
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| CN (1) | CN202878035U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659531A (en) * | 2012-09-21 | 2014-03-26 | 新乡市中原起重机械总厂有限公司 | Grinding system of external surfaces of steel tubes |
| CN104972369A (en) * | 2015-06-08 | 2015-10-14 | 浙江大大不锈钢有限公司 | Polishing device of outside weld joint of steel tube |
| CN109050117A (en) * | 2018-08-12 | 2018-12-21 | 吴锋 | A kind of efficient sharpening unit of pencil production nib |
| CN109050118A (en) * | 2018-08-12 | 2018-12-21 | 吴锋 | A kind of pencil sharpening device in pencil production process |
| CN109080315A (en) * | 2018-08-12 | 2018-12-25 | 吴锋 | A kind of pencil production grinding attachment |
| CN111112792A (en) * | 2019-12-26 | 2020-05-08 | 长治市三耐铸业有限公司 | Wear-resistant plate overlaying equipment |
| CN111922803A (en) * | 2020-07-10 | 2020-11-13 | 苏州广隆富机械设备有限公司 | Horizontal type cylinder machining center and machining method thereof |
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2012
- 2012-09-21 CN CN 201220493772 patent/CN202878035U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659531A (en) * | 2012-09-21 | 2014-03-26 | 新乡市中原起重机械总厂有限公司 | Grinding system of external surfaces of steel tubes |
| CN104972369A (en) * | 2015-06-08 | 2015-10-14 | 浙江大大不锈钢有限公司 | Polishing device of outside weld joint of steel tube |
| CN109050117A (en) * | 2018-08-12 | 2018-12-21 | 吴锋 | A kind of efficient sharpening unit of pencil production nib |
| CN109050118A (en) * | 2018-08-12 | 2018-12-21 | 吴锋 | A kind of pencil sharpening device in pencil production process |
| CN109080315A (en) * | 2018-08-12 | 2018-12-25 | 吴锋 | A kind of pencil production grinding attachment |
| CN109050117B (en) * | 2018-08-12 | 2020-07-10 | 浙江横浦科技有限公司 | High-efficient sharpening device of pencil production nib |
| CN109080315B (en) * | 2018-08-12 | 2020-09-08 | 福建欣弘机电设备有限公司 | Pencil production grinding device |
| CN109050118B (en) * | 2018-08-12 | 2020-09-08 | 福建欣弘机电设备有限公司 | Pencil sharpening device used in pencil production process |
| CN111112792A (en) * | 2019-12-26 | 2020-05-08 | 长治市三耐铸业有限公司 | Wear-resistant plate overlaying equipment |
| CN111112792B (en) * | 2019-12-26 | 2023-09-08 | 长治市三耐铸业有限公司 | Wear-resisting plate surfacing equipment |
| CN111922803A (en) * | 2020-07-10 | 2020-11-13 | 苏州广隆富机械设备有限公司 | Horizontal type cylinder machining center and machining method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Songtao Inventor before: Hao Zhaoqing Inventor before: Chen Songtao |
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| ASS | Succession or assignment of patent right |
Owner name: CHEN SONGTAO Free format text: FORMER OWNER: XINXIANG CITY ZHONGYUAN CRANE FACTORY CO., LTD. Effective date: 20150617 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150617 Address after: The eastern section of the Great Wall Avenue Changyuan Pu county of Xinxiang City, Henan province 453400 East Road on the west side of Wenzhou District Patentee after: Chen Songtao Address before: East Changyuan County of Xinxiang City, Henan Province, South Ring Road West 453000 Patentee before: XINXIANG ZHONGYUAN LIFTING MACHINERY GENERAL FACTORY 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: 20130417 Termination date: 20170921 |