CN100509284C - Automatic polishing machine - Google Patents
Automatic polishing machine Download PDFInfo
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- CN100509284C CN100509284C CNB2007101797976A CN200710179797A CN100509284C CN 100509284 C CN100509284 C CN 100509284C CN B2007101797976 A CNB2007101797976 A CN B2007101797976A CN 200710179797 A CN200710179797 A CN 200710179797A CN 100509284 C CN100509284 C CN 100509284C
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- retractor device
- emery wheel
- polishing machine
- automatic polishing
- carriage
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Abstract
The invention relates to an automatic polishing machine, comprising a base frame, the upper end of which is hung with a bracket that is connected with a beam of the base frame, a grinding wheel connected with the middle part of the bracket, a first flexible device which is horizontally arranged and one end of which is connected with a vertical column of the base frame and the other end is against the lower end of the bracket, a second flexible device which is vertically arranged and one end of which is connected with a bottom frame of the base frame, a transmission device which is connected with the other end of the second flexible device, a third flexible device which is horizontally arranged and one end of which is connected with the vertical column and the other end is connected with a top-supporting device which is used for supporting a top part together with the grinding wheel and the transmission device for product processing. The automatic polishing machine of the invention is suitable for processing tubes of various sizes and types, and is suitable for polishing tubes of irregular shapes with high polishing quality and low vibration noise when in working.
Description
Technical field
The present invention relates to a kind of automatic polishing machine, relate in particular to a kind of equipment that tube surfaces is carried out the automatic polishing processing.
Background technology
It is the procedure of processing that needs usually in the product manufacturing procedure that product surface is carried out polishing, especially the tubing of metal material such as stainless steel, cast iron, in the end before the moulding, perhaps before steps such as surface coating, mostly need tube surfaces is carried out polishing.Because the polishing operation is commonly used, so polishing machine is carried out the efficient of polishing operation and the key factor that effect becomes various production efficient of influence and quality.
Existing tubing polishing machine mostly based on not being in the mood for polishing principles, adopts the design of conveyer belt, adjustable fixed dam or roller, adjustable fixedly emery wheel, shown in Figure 1A and 1B, comprises following structure: the emery wheel 200 that array is driven by individual motor 100; Be used for tubing 300 to be processed is leaned baffle plate 400 on emery wheel 200; Be arranged between baffle plate 400 and the emery wheel 200, be positioned at the conveyer belt 500 below the tubing 300, conveyer belt 500 is used to transmit tubing 300 to be passed through between baffle plate 400 and emery wheel 200.The position of emery wheel or baffle plate is generally adjustable, but afterwards will fixed emery wheel or baffle plate according to the size adjusting of processed product.In the polishing process, polishing machine just is arranged on the both sides of product line conveyer belt usually, and the tubing that transmits is polished processing.There is following problems because of himself structural reason in existing tubing polishing machine to I haven't seen you for ages:
1, baffle plate or roller are because fix in polishing process, so often can not be with appropriate the leaning on emery wheel of tubing, may be too tightly or pine too, make that the tube surfaces polishing is inhomogeneous, the situation that has specification error or polishing thin skin tubing for processed product itself, if shape of product slightly changes or the surface has concavo-convexly, then polishing effect more is difficult to guarantee;
2, the position between baffle plate and the emery wheel is difficult to do on a large scale, adjust accurately, limited the adaptability of polishing machine to the various sizes processed product, the pipe diameter adjustable extent that existing polishing machine allows generally in 70mm, is limited in below the 70mm square tube cross dimensions length and width difference;
3, polishing machine is difficult to realize polishing processing usually in enclosure space, can produce serious dust, noise pollution;
4, the shared space of array emery wheel and motor is bigger, and a plurality of motors that need to drive the array emery wheel are worked simultaneously, and power consumption is big.
Summary of the invention
The purpose of this invention is to provide a kind of automatic polishing machine,, increase work efficiency and quality of finish to improve the adaptability of size and specification towards processed products.
For achieving the above object, the invention provides a kind of automatic polishing machine, comprising:
Pedestal;
Carriage, the turning cylinder of this carriage upper end is horizontally set on the crossbeam of pedestal;
Emery wheel, the turning cylinder of emery wheel is connected the middle part of carriage, and this emery wheel is used to polish processed product;
First retractor device is horizontally disposed with, and an end of this first retractor device is connected on the column of pedestal, and the other end is connected emery wheel one side with carriage lower end contacts mutually;
Second retractor device vertically is provided with, and an end of this second retractor device is connected on the underframe of pedestal;
Transmitting device is connected with the other end of second retractor device, and this transmitting device is positioned at the below of emery wheel, is used to transmit processed product;
The 3rd retractor device is horizontally disposed with, and an end of the 3rd retractor device is connected on the column of pedestal;
Replace device, be connected with the other end of the 3rd retractor device, the described device of replacing is used for cooperating with emery wheel and transmitting device and replaces processed product.
By above technical scheme as can be known, the present invention adopts to hang and emery wheel is set and adjusts emery wheel, transmitting device, replaces the technological means of setting position with retractor device, realize constant force contact processed product surface, asked the polishing technology of the heart automatically, overcome the problem that existing polishing machine is difficult to adapt to different size, the irregular tubing of cross sectional shape, the advantage of technical solution of the present invention is:
1, by hang emery wheel is set, and retractor device is set adjusts transmitting device and replace the position of device, make emery wheel rely on deadweight to lean on tubing to be processed, emery wheel is consistent with the dynamics that contacts between the processed product, and the emery wheel position can be according to the shape of tubing and the self adaptation adjustment, so the present invention can be applicable to the tubing of the multiple size model of processing, and for the very irregular tubing of shape, also can reach good polishing effect;
2, the emery wheel of suspension type setting, the vibration during work can be weakened, the noise when having reduced automatic polishing machine work.
Also in conjunction with the accompanying drawings the present invention is described in further detail below by specific embodiment.
Description of drawings
Figure 1A is the main TV structure schematic diagram of a kind of polishing machine of prior art;
Figure 1B is the plan structure schematic diagram of a kind of polishing machine of prior art;
Fig. 2 A is the main TV structure schematic diagram of automatic polishing machine specific embodiment one of the present invention;
Fig. 2 B is the side-looking structural representation of automatic polishing machine specific embodiment one of the present invention;
Fig. 2 C is the plan structure schematic diagram of automatic polishing machine specific embodiment one of the present invention;
Fig. 2 D is that A-A among Fig. 2 A is to cross-sectional view;
Fig. 3 A is the main TV structure schematic diagram of automatic polishing machine specific embodiment one medium plain emery wheel parts of the present invention;
Fig. 3 B is the side-looking structural representation of automatic polishing machine specific embodiment one medium plain emery wheel parts of the present invention;
Fig. 3 C is the plan structure schematic diagram of automatic polishing machine specific embodiment one medium plain emery wheel parts of the present invention;
Fig. 4 A is for walking the main TV structure schematic diagram of wheel component in the automatic polishing machine specific embodiment one of the present invention;
Fig. 4 B is for walking the side-looking structural representation of wheel component in the automatic polishing machine specific embodiment one of the present invention;
Fig. 4 C is for walking the plan structure schematic diagram of wheel component in the automatic polishing machine specific embodiment one of the present invention;
Fig. 5 A is the main TV structure schematic diagram of rotor block in the automatic polishing machine specific embodiment one of the present invention;
Fig. 5 B is the side-looking structural representation of rotor block in the automatic polishing machine specific embodiment one of the present invention;
Fig. 5 C is the plan structure schematic diagram of rotor block in the automatic polishing machine specific embodiment one of the present invention;
Figure 6 shows that the structural representation of automatic polishing machine specific embodiment three of the present invention.
The specific embodiment
Automatic polishing machine embodiment one
Be depicted as the main TV structure schematic diagram of automatic polishing machine specific embodiment one of the present invention as Fig. 2 A, Fig. 2 B is its side-looking structural representation, and Fig. 2 C is its plan structure schematic diagram, and Fig. 2 D is that A-A among Fig. 2 A is to cross-sectional view.This automatic polishing machine comprises: pedestal 1, carriage 2, emery wheel 3, first retractor device 4, second retractor device 5, transmitting device 6, the 3rd retractor device 7 and replace device 8.Wherein:
The carriage 2 of strip vertically hangs and is connected on the crossbeam 11, and the turning cylinder of these carriage 2 upper ends is horizontally set on the crossbeam 11 of pedestal 1, is about to the top that carriage 2 is suspended on pedestal 1, and carriage 2 can be swung in vertical plane with respect to pedestal 1;
A whole emery wheel 3 is arranged on the middle part of carriage 2, the turning cylinder of emery wheel 3 is fixedly connected on the carriage 2, this emery wheel 3 is used for polishing processed product by rotating, the concrete material of emery wheel 3 can change according to the requirement of processed product, usually can be the emery wheel of different polishing materials such as abrasive band, cloth wheel, fiber crops wheel, nylon wheel, select varigrained emery wheel for use, can reach various polishing effect;
Transmitting device is connected the upper end of this second retractor device 5, transmitting device is specifically as follows several travelling wheels 6 of the being aligned that is arranged in series, the turning cylinder of each travelling wheel 6 is parallel to each other, and each turning cylinder is connected with the upper end of second retractor device 5, travelling wheel 6 is used to transmit processed product, processed product is passed through for 3 times from emery wheel, and 6 of each travelling wheels can be by gear drive, and gear-driven advantage is to guarantee that processed product at the uniform velocity advances in polishing process;
The 3rd retractor device 7 is horizontally disposed with, and also can be the screw rod extensible member, and an end of the 3rd retractor device 7 is connected on the column 13 of pedestal 1 one sides, can be parallel with first retractor device 4, and be arranged on the top of first retractor device 4;
Replace the other end that device is connected the 3rd retractor device 7, replace device and be specifically as follows roller 8, the turning cylinder of the turning cylinder of roller 8 and emery wheel 3 is parallel to each other, the turning cylinder two ends are connected with the other end of the 3rd retractor device 7, roller 8 is used for cooperatively interacting with emery wheel 3, travelling wheel 6, and processed product is replaced between the three.
The present embodiment automatic polishing machine course of work is: before work, tubing to be processed is placed between emery wheel, travelling wheel and the roller, stroke according to size adjusting first retractor device, second retractor device and the 3rd retractor device of tubing, configure the position of travelling wheel and roller, the position of just deciding emery wheel, wherein second retractor device and the 3rd retractor device have played the effect of locking travelling wheel and roller position; Then can reduce the stroke of first retractor device, it is not contacted with carriage, therefore weight by carriage, emery wheel and first motor self is pressed against emery wheel on the tubing fully, is pressed against the total force that contact force on the tubing is constantly equal to parts such as carriage, emery wheel; After starter motor was started working, tubing was transmitted by travelling wheel and passes through from the below of emery wheel, and in this process, the emery wheel of rotation polishes tubing, and simultaneously, the roller of rotation also drives tubing and rotates, and can both contact emery wheel around the tubing and be polished uniformly.
In the present embodiment, emery wheel 3 and carriage 2 are to hang to be provided with, and can further in a side that deviates from emery wheel 3 first motor 10 be set in the lower end of carriage 2, are used to drive emery wheel and rotate.Be the main TV structure schematic diagram of carriage 2, emery wheel 3, first motor 10 and first retractor device, 4 annexations as shown in Figure 3A, Fig. 3 B is its side-looking structural representation, and Fig. 3 C is its plan structure schematic diagram.First motor 10 and emery wheel 3 are separately positioned on the both sides of carriage 2, and first motor 10 not only can play the effect that drives emery wheel 3, can also increase the weight on the carriage 2 simultaneously, make emery wheel 3 more reliable being pressed on the tubing to be processed.
In the present embodiment, transmitting device adopts several travelling wheels 6 of polyphone being aligned, it is advantageous that and to reduce towards processed products, be the wearing and tearing of tubing, the main TV structure schematic diagram of the annexation between several travelling wheels 6 and second retractor device 5 wherein is provided with two second retractor devices 5 shown in Fig. 4 A, to guarantee the balance of extension and contraction control, Fig. 4 B is its side-looking structural representation, and Fig. 4 C is its plan structure schematic diagram.Transmitting device is not limited to the form of travelling wheel, can also adopt forms such as conveyer belt.In actual applications, can further in the both sides of travelling wheel 6 guide plate 30 be set respectively, V-shaped layout is used to guide the transmission direction of tubing.Guide plate 30 can specifically be divided into four, leaves the space of ccontaining emery wheel and roller in the centre.
Adopt roller 8 as replacing device in the present embodiment, Fig. 5 A is depicted as the main TV structure schematic diagram of annexation between roller 8 and the 3rd retractor device 7, and Fig. 5 B is its side-looking structural representation, and Fig. 5 C is its plan structure schematic diagram.In the course of the work, tubing can rotate along with the rotation of roller, and each surface of tubing is polished uniformly, also can reduce the wearing and tearing to tube surfaces, has improved the polishing uniformity greatly.Certainly, replace device and be not limited to use roller, also can adopt baffle plate etc., can replace tubing to be processed and get final product with transmitting device, emery wheel cooperation.
Present embodiment adopts the screw rod extensible member as first retractor device, second retractor device and the 3rd retractor device, realizes that with the screw rod principle flexible advantage is accurately to control flexible distance, guarantees the accuracy to the tubing polishing.But the expanding-contracting action of first retractor device, second retractor device and the 3rd retractor device is not limited to adopt the screw rod extensible member to realize, for example can also replace with hydraulically extensible rod member, pneumatic expansion link etc.The position of retractor device and quantity also are not limited to the mode in the present embodiment, as long as can realize the adjustment to carriage, travelling wheel and roller position.Wherein, the end that first retractor device contacts carriage can connect a moving runner, because in the course of the work, there is relative motion the end of relative first retractor device of lower end possibility of carriage, moving runner is set, can avoid the direct friction between the carriage and first retractor device, reduce the wear rate of equipment.
Travelling wheel in the present embodiment and roller all can be driven by motor, and motor can be connected with the turning cylinder of travelling wheel and roller by belt and drives its rotation.Wherein be used to drive second motor that travelling wheel rotates and be fixed on the pedestal or second retractor device; The 3rd motor 9 that is used for driving rolls 8 rotations can be fixed on pedestal 1 or the 3rd retractor device 7, shown in Fig. 5 A.
Present embodiment it is advantageous that than the automatic polishing machine of prior art: emery wheel, transmitting device and the position of replacing device all can be adjusted, and can adapt to the tubing of multiple size, for example can be to the tubing processing of diameter range in 20～360mm; Emery wheel adopts the hang setting, be pressed against formation constant force contact on the tubing by own wt, when if the cross sectional shape of tubing changes, emery wheel can be adjusted the position according to the tubing shape, also can realize uniform polishing to some very irregular tubing, the design of suspension type emery wheel also can be good at realizing asking for automatically the function at tubing shape center, has strengthened the adaptability to the tubing shape; Because motor is connected on the carriage, also be draped, then the vibration during machine operation is weakened greatly, and the noise during automatic polishing machine work reduces; Adopt independently whole emery wheel and a motor, can reduce the volume of automatic polishing machine, can also reduce power consumption, usually can save electric energy and reach 50%～80%, reduce production costs, and independently emery wheel has been avoided the restriction of automatic polishing machine to pipe length, for example can process the tubing more than the 80mm, when if the transmitting device that adopts is several travelling wheels, then the length of tubing only depends on the size and the interval of travelling wheel; Adopt gear drive, transmission speed is stable, has promptly realized the constant speed transmission, can further improve quality of finish.
Automatic polishing machine embodiment two
The structure of automatic polishing machine specific embodiment two of the present invention and embodiment one are roughly the same, difference is: contacting of disconnected form is improved to by the contacting of elastic device type of attachment between the carriage and first retractor device, for example adopts return spring to connect between the carriage and first retractor device; Be connected by elastic device between transmitting device and second retractor device, for example spring, stage clip, rubber cushion blocks etc.; Replace between device and the 3rd retractor device and be connected, for example spring, stage clip, rubber cushion blocks etc. by elastic device.
Present embodiment is when work, on the one hand, if need to increase or reduce emery wheel and be pressed against active force on the tubing to be processed, can be by adjusting the position of first retractor device, and then make between the carriage and first retractor device by elastic device and to produce elastic acting force, conduct to emery wheel by the elastic acting force that will act on the carriage, alleviate and increase emery wheel and act on power on the tubing.On the other hand, after transmitting device is fixed with the home position adjustment of replacing device, elastic device can make transmitting device and the position of replacing device do trickle adjustment, the for example translation of turning cylinder, or the trickle rotation adjustment of turning cylinder, the turning cylinder of emery wheel and roller and the transmission direction of travelling wheel are can non-strictness parallel, then can be more appropriate lean tubing, be unlikely to too tight, when very irregular, the irregular tubing in surface passed through the emery wheel below, transmitting device also can be done the variation that trickle adjustment adapts to the tubing cross section with the position of replacing device.Elastic device is set, the active force that contacts the tubing that imposes on 3 of tubing at emery wheel, roller and travelling wheel is equated, further improved the precision that this automatic polishing machine asks the heart, constant force to contact automatically, no matter the flatness on the tube wall thickness size of tubing, circularity and surface how, can both guarantee the effect of polishing, and can adjust the contact force that tubing to be processed bears as the case may be flexibly, make polishing operation more flexible.
The automatic polishing machine of present embodiment can adapt to the not high tubing of dimensional accuracy is polished, and reaches preferable polishing effect.
Automatic polishing machine embodiment three
Be illustrated in figure 6 as the structural representation (ignoring internal structure among the figure) of automatic polishing machine specific embodiment three of the present invention, the structure of this automatic polishing machine is to be arranged with shell 20 on the basis of embodiment one structure on pedestal, and on the shell 20 at transmitting device two ends, be respectively arranged with charging aperture 21 and discharging opening 22, realize automatic feed, discharging.
The automatic polishing machine of present embodiment is because volume is little, institute is so that make automatic polishing machine as a whole, adopt shell that polishing operation is closed, the dust that is produced in the operating process, noise and smell pollute and all are isolated from the outside out, improved the working environment of automatic polishing machine, more environmental protection adapts to current social demand for development.On the basis of present embodiment automatic polishing machine, suction port 23 can also be set on shell 20, be used to connect dust exhaust apparatus, the dust that produces in the polishing process is in time cleared up, the peculiar smell that produces in can also the absorbing and filtering polishing process, to keep the automatic polishing machine cleaning, shorten cleaning, the maintenance period of automatic polishing machine, avoid pollution to environment.
On the pedestal of present embodiment, control device can be set, respectively with first retractor device, second retractor device, the 3rd retractor device, emery wheel is connected with transmitting device, be specifically as follows and drive first retractor device, second retractor device links to each other with the stepper motor of the 3rd retractor device, also be connected with second motor with first motor that drives emery wheel and travelling wheel respectively, adopt roller when replacing device, and when adopting the 3rd motor-driven roller to rotate, control device can also be connected with the 3rd motor, then control device can be used to control first retractor device, stretching of second retractor device and the 3rd retractor device controlled first motor, second motor and the 3rd motor-driven emery wheel, the rotation of travelling wheel and roller.Owing to present embodiment automatic polishing machine self structure adaptation function to the tubing shape in polishing process, so behind the home position of control emery wheel, travelling wheel and roller, need not human intervention, just can control motor and rotate the realization polishing operation by control device, and reach preferable polishing effect, what the operation of automation can be bigger enhances productivity.Control device can further include display unit, detect the expanding-contracting action of first retractor device, second retractor device and the 3rd retractor device, and whether the rotation of first motor, second motor and the 3rd motor is normal, then shows fault so that the user safeguards, control.Control device can further include the module of functions such as execution is reckoned by the piece, motor meter speed, stored information, polishing rate detection, further enriches the function of automatic polishing machine.
Automatic polishing machine of the present invention can be realized automatic constant speed charging, ask heart constant force contact polishing, automatic polishing, dedusting noise reduction and totally enclosed electromechanical integration work automatically automatically, has that the structure advanced person is reasonable, durable in use, a safety energy-conserving environment protection, plurality of advantages such as simple to operate.Keep constant speed and constant force, can guarantee polishing effect; Can be fit to process the product of relative broad range specification, even can process the tubing that elliptical shape or cross section thickness differ, the allowed band upper limit that can process the pipe diameter can reach 360mm, the square tube cross dimensions length and width difference upper limit can reach 140mm, and wideer to the adaptability of the length requirement of converted products, the extreme length of the product of can not limiting the production; This automatic polishing machine can improve process velocity and reach 15～20 times with respect to existing polishing machine, and the crudy qualification rate can reach more than 99%.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1, a kind of automatic polishing machine is characterized in that comprising:
Pedestal;
Carriage, the turning cylinder of described carriage upper end is horizontally set on the crossbeam of described pedestal;
Emery wheel, the turning cylinder of described emery wheel is connected the middle part of described carriage, and described emery wheel is used to polish processed product;
First retractor device is horizontally disposed with, and an end of described first retractor device is connected on the column of described pedestal, and the other end is connected described emery wheel one side with described carriage lower end contacts mutually;
Second retractor device vertically is provided with, and an end of described second retractor device is connected on the underframe of described pedestal;
Transmitting device is connected with the other end of described second retractor device, and described transmitting device is positioned at the below of described emery wheel, is used to transmit described processed product;
The 3rd retractor device is horizontally disposed with, and an end of described the 3rd retractor device is connected on the column of described pedestal;
Replace device, be connected with the other end of described the 3rd retractor device, the described device of replacing is used for cooperating with described emery wheel and described transmitting device and replaces described processed product.
2, automatic polishing machine according to claim 1, it is characterized in that: described transmitting device is several travelling wheels of polyphone, by gear drive, the turning cylinder of each travelling wheel is parallel to each other between each described travelling wheel, and the turning cylinder of described travelling wheel is connected with the other end of described second retractor device.
3, automatic polishing machine according to claim 1 and 2 is characterized in that: also comprise the guide plate that is used to guide described processed product transmission, described guide plate is separately positioned on described transmitting device both sides.
4, automatic polishing machine according to claim 1 is characterized in that: the described device of replacing is a roller, and the turning cylinder of described roller is connected with the other end of described the 3rd retractor device.
5, automatic polishing machine according to claim 1 is characterized in that: also comprise first motor, described first motor is connected the lower end of described carriage, and links to each other with described emery wheel, and described first motor is used to drive described emery wheel and rotates.
6, automatic polishing machine according to claim 1 is characterized in that, also comprises: be used to drive second motor that described transmitting device rotates, described second motor links to each other with described transmitting device; And being used to drive described the 3rd motor that device rotates of replacing, described the 3rd motor links to each other with the described device of replacing.
7, automatic polishing machine according to claim 1 is characterized in that: between described carriage and described first retractor device, between described transmitting device and described second retractor device and/or described replacing between device and described the 3rd retractor device be provided with elastic device.
8, automatic polishing machine according to claim 1 is characterized in that: the end that described first retractor device contacts described carriage is connected with moving runner.
9, automatic polishing machine according to claim 1 is characterized in that: be arranged with shell on the described pedestal; On the described shell at described transmitting device two ends, be respectively arranged with charging aperture and discharging opening; Also be provided with suction port on the described shell.
10, automatic polishing machine according to claim 1, it is characterized in that: described pedestal is provided with control device, be connected with described first retractor device, second retractor device, the 3rd retractor device, described emery wheel and described transmitting device respectively, be used to control the flexible of described first retractor device, second retractor device and the 3rd retractor device, control the rotation of described emery wheel and transmitting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101797976A CN100509284C (en) | 2007-12-18 | 2007-12-18 | Automatic polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101797976A CN100509284C (en) | 2007-12-18 | 2007-12-18 | Automatic polishing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101186025A CN101186025A (en) | 2008-05-28 |
| CN100509284C true CN100509284C (en) | 2009-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101797976A Expired - Fee Related CN100509284C (en) | 2007-12-18 | 2007-12-18 | Automatic polishing machine |
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| CN (1) | CN100509284C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838865B (en) * | 2018-06-15 | 2020-08-21 | 赣州市桐鑫金属制品有限公司 | Surface polishing and rust removing apparatus for building steel pipe |
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| CN101186025A (en) | 2008-05-28 |
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Owner name: FOSHAN HONGQIAO FURNITURE CO., LTD. Free format text: FORMER OWNER: BEIJING GURI ELECTROMECHANICAL TECHNOLOGY CO., LTD. Effective date: 20130208 |
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Free format text: CORRECT: ADDRESS; FROM: 100044 XICHENG, BEIJING TO: 528318 FOSHAN, GUANGDONG PROVINCE |
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Effective date of registration: 20130208 Address after: 528318, No. 17, South Central Industrial Zone, Donghai Town, Shunde District, Guangdong, Foshan, Longjiang Patentee after: Hongqiao Foshan Furniture Co., Ltd. Address before: 100044, No. 43, North Lane, car village, Beijing, Xicheng District Patentee before: Beijing Guri Mechanoelectronic Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20090708 Termination date: 20161218 |