CN202028992U - Burr removing device - Google Patents
Burr removing device Download PDFInfo
- Publication number
- CN202028992U CN202028992U CN2010206870301U CN201020687030U CN202028992U CN 202028992 U CN202028992 U CN 202028992U CN 2010206870301 U CN2010206870301 U CN 2010206870301U CN 201020687030 U CN201020687030 U CN 201020687030U CN 202028992 U CN202028992 U CN 202028992U
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- motor
- burr
- rotor
- molded lines
- removal device
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Abstract
The utility model discloses a burr removing device, which comprises a machine tool main body used for fixing a rotor with more than one rotor profile and provided with a central supporting plate; a first motor equipped on the central supporting plate of the machine tool main body; a first burr brush connected with the motor shaft of the first motor and contacting with one end face of the rotor profile; and a transmission device equipped inside the machine tool main body. The transmission device drives the rotor profile to perform autorotation longitudinally while the first motor drives the first burr brush to perform autorotation transversely. Burrs on the end face of the rotor profile are thus removed. The burr removing device which has a simple structure can rapidly and effectively remove burrs on the end face of the rotor profile and make the rotor profile end face uniform and consistent.
Description
Technical field
The utility model relates to field of machining, relates in particular to a kind of burr removal device.
Background technology
With reference to shown in Figure 1, Figure 1A shows the end face structure schematic diagram of a kind of male rotor molded lines of the prior art; Figure 1B shows the end face structure schematic diagram of a kind of female rotor molded lines of the prior art.Wherein, female rotor molded lines and male rotor molded lines are meshing with each other and form the core texture of helical-lobe compressor, and the molded lines of rotor that comprises female rotor molded lines and male rotor molded lines has decisive influence to the noise and the performance of helical-lobe compressor.Usually there is more burr in the end face of the molded lines of rotor of preparation, comprises female rotor molded lines body 1 and burr 2 as the female rotor molded lines among Figure 1A, and the male rotor molded lines among Figure 1B comprises male rotor molded lines body 3 and burr 2.Need remove the burr of molded lines of rotor end face at the molded lines of rotor that actual compressor is used, so that reduce the noise and the performance of compressor.
At present, the burr of removing the molded lines of rotor end face can only be manually-operated, and promptly the operating personnel adopts wire brush or grinder buffing burr to carry out the grinding of burr or manually carries out grinding by abrasive machine according to the shape that molded lines goes out behind the cutter.The production efficiency of this method is low, and labour intensity is big, and removes unclean.Further, when adopting abrasive machine to carry out grinding, occur more waste product easily, be ground morely as the molded lines of rotor end face, and then do not meet actual requirement.So how designing a kind of device of removing molded lines of rotor end face burr preferably becomes the current technical issues that need to address.
The utility model content
The utility model provides a kind of burr removal device, and this burr removal device can fast and effeciently be removed the burr of molded lines of rotor end face, and can reduce operating personnel's labour intensity, has improved production efficiency simultaneously.
The burr removal device that the utility model provides comprises:
Machine tool main body is used for fixing rotor, and described machine tool main body is provided with middle supporting plate, and this rotor comprises more than one molded lines of rotor;
Be arranged at first motor on the middle supporting plate of described machine tool main body; The motor shaft of this first motor is connected with first burr brush;
One end face of the described molded lines of rotor of described first burr brush contact; And
Machine tool main body inside is provided with transmission device, and described transmission device can drive the vertical rotation of described molded lines of rotor and described first burr of described first driven by motor is brushed horizontal rotation, to remove the burr of described molded lines of rotor end face.
Aforesaid burr removal device, wherein, described burr removal device also comprises:
Adjusting handle is fixed on the middle supporting plate of described machine tool main body, is used to regulate the length travel and the lateral displacement of described first motor, so that described first burr brush contacts with the end face of described molded lines of rotor.
Aforesaid burr removal device, wherein, described adjusting handle comprises vertical adjusting handle and lateral adjustments handwheel, this vertical adjusting handle and lateral adjustments handwheel independently are arranged on respectively on the described middle supporting plate.
Aforesaid burr removal device, wherein, described burr removal device also comprises: be arranged at second motor on the described middle supporting plate, this second motor is parallel to described first motor; And
Fixedly connected second burr brush of the motor shaft of this second motor, the other end of the described molded lines of rotor of described second burr brush contact.
Aforesaid burr removal device, wherein,
Supporting plate is provided with slideway in described, and described first motor and described second motor lay respectively on the described slideway, and
Described adjusting handle is regulated the lateral displacement and the length travel of second motor on the described slideway.
Aforesaid burr removal device, wherein,
Lateral separation between described first motor and described second motor is 160mm to 500mm.
Aforesaid burr removal device, wherein,
Be connected by connector between the motor shaft of described first burr brush and described first motor, one end of this connector is the motor shaft that has the inner hole structure of keyway and be fixed in described first motor, and the other end is that threaded multidiameter is used for fixing described first burr brush;
Be connected by described connector between the motor shaft of described second burr brush and described second motor, one end of this connector is the motor shaft that has the inner hole structure of keyway and be fixed in described second motor, and the other end is that threaded multidiameter is used for fixing described second burr brush.
Aforesaid burr removal device, wherein,
Described molded lines of rotor is male rotor molded lines and female rotor molded lines; The two ends of this molded lines of rotor are equipped with multidiameter.
Aforesaid burr removal device, wherein, also be provided with on the described machine tool main body two relative top, each is top to be connected with the multidiameter of described molded lines of rotor, with described molded lines of rotor is fixed in two top between.
Aforesaid burr removal device, wherein,
Described first burr brush and second burr brush are the polishing burr brush that contains abrasive particle.
Burr removal device of the present utility model, this burr removal device simple in structure, the burr that it can fast and effeciently remove the molded lines of rotor end face makes molded lines of rotor end face uniformity, has effectively avoided the appearance of waste product in the prior art.Further reduce operating personnel's labour intensity, and improved production efficiency.
Description of drawings
In order to be illustrated more clearly in the utility model or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Figure 1A is the end face structure schematic diagram of a kind of male rotor molded lines of the prior art;
Figure 1B is the end face structure schematic diagram of a kind of female rotor molded lines of the prior art;
Fig. 2 is the structural representation of burr removal device embodiment of the present utility model;
Fig. 3 A is the schematic diagram of the male rotor molded lines end face behind the removal burr of the present utility model;
Fig. 3 B is the schematic diagram of the female rotor molded lines end face behind the removal burr of the present utility model.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment 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 is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The axial direction of below mentioning that laterally is meant machine tool main body, promptly the direction of the line that is connected with tailstock of the head of a bed of machine tool main body vertically is the axial direction of vertical machine tool main body, first motor/second motor of mentioning below promptly axially.
First embodiment
Burr removal device in the present embodiment comprises: the machine tool main body, first motor and first burr brush that are used for fixing rotor.The rotor of below mentioning can comprise more than one molded lines of rotor, corresponding molded lines of rotor of rotor normally, this molded lines of rotor has two molded lines of rotor end faces, and in addition, the machine tool main body that is used for fixing molded lines of rotor described below is the machine tool main body that is used for fixing molded lines of rotor.Wherein, the machine tool main body that is used for fixing rotor comprises, accepts the middle supporting plate of first motor and the transmission device of machine tool main body inside.The middle supporting plate that is machine tool main body is provided with first motor, the motor shaft end of this first motor is fixedly connected with first burr brush, in use first burr brush needs the end face of contact molded lines of rotor, and the inner transmission device that is provided with of machine tool main body can drive the vertical rotation of described molded lines of rotor, and first driven by motor, first burr brushes horizontal rotation, and then first burr brush can be removed the burr of molded lines of rotor end face.
Usually, the employing connector is connected between the motor shaft of first burr brush and first motor, one end of this connector is the motor shaft that has the inner hole structure of keyway and be fixed in described first motor, and the other end is that threaded multidiameter is used for fixing described first burr brush.In use, the vertical rotation of molded lines of rotor that the transmission device of machine tool main body inside drives described rotor promptly vertically rotate and described first burr of described first driven by motor to brush horizontal rotation be lateral rotation, with the burr of the described molded lines of rotor end face of better removal.Need to prove that time and the speed of removing a certain molded lines of rotor have the operating personnel to set, can effectively control the speed and the time of first burr brush,, and do not damage the end face of molded lines of rotor so that better remove the burr of molded lines of rotor end face.
Preferably, the burr removal device also can comprise: adjusting handle, it is fixed on the middle supporting plate of machine tool main body, is used to regulate the length travel and the lateral displacement of described first motor, so that the brush of first burr in the use can contact with the end face of molded lines of rotor.Especially, adjusting handle can comprise vertical adjusting handle and lateral adjustments handwheel, this vertical adjusting handle is used to regulate the length travel of first motor, the lateral adjustments handwheel is used to regulate the lateral displacement of first motor, and this vertical adjusting handle and lateral adjustments handwheel independently are arranged on respectively on the described middle supporting plate.Preferably, described in supporting plate be provided with slideway, this slideway can be end slipway or transverse slipway, for make regulate first motor laterally or length travel convenient, first motor can be arranged on the slideway on middle supporting plate surface of machine tool main body.
Further, the burr removal device also comprises: be arranged at second motor on the middle supporting plate of described machine tool main body, this second motor is parallel to first motor; And the motor shaft of second motor is fixedly connected with second burr brush, in use, and the other end of second burr brush contact molded lines of rotor.Existing any molded lines of rotor includes two end faces, so first burr brush and second burr brush are set in the present embodiment, can improve the production efficiency of burr removal device.Be connected by connector between the motor shaft of second burr in present embodiment brush and described second motor, one end of this connector is the motor shaft that has the inner hole structure of keyway and be fixed in described second motor, and the other end is that threaded multidiameter is used for fixing described second burr brush; And then second motor can drive second burr brush and turn round.
In the reality, the lateral adjustments handwheel can be regulated the lateral separation of first motor and second motor simultaneously, and vertically adjusting handle can be regulated first motor and and the length travel of second motor simultaneously.Certainly, two lateral adjustments handwheels and two vertical adjusting handles can be set also, first motor and second motor during it is regulated respectively and is located on the supporting plate slideway.In addition, above-mentioned machine tool main body also may comprise various lathes self parts, its adjusting handle also can be fixed by corresponding lathe self parts, as long as can realize regulating first motor and/or second motor, does not limit the structure member and the annexation at this place in the present embodiment.In addition, the distance between first motor in the present embodiment and described second motor can be 160mm to 500mm.
Need to prove, above-mentioned first burr brush and second burr brush are the polishing burr brush that contains abrasive particle, and then can remove the burr of molded lines of rotor end face preferably, the time by control burr removal device reaches the effect of removing molded lines of rotor end face burr fully usually.Especially, the molded lines of rotor of mentioning in the present embodiment comprises male rotor molded lines and female rotor molded lines.Distance between these molded lines of rotor both ends of the surface can be 452mm to 195mm.
Second embodiment
With reference to shown in Figure 2, Fig. 2 shows the structural representation of burr removal device embodiment of the present utility model; This burr removal device comprises: machine tool main body 10, be arranged on first motor 12 and second motor 13 on the middle supporting plate 11 of machine tool main body 10, first motor, 12 fixedly connected first burr brushes 14, fixedly connected second burrs brush 15 of second motor 13, this first burr brush 14 and second burr brush 15 contact two end faces (as end face A among Fig. 2 and end face A ') of molded lines of rotor 16 respectively.
Wherein, machine tool main body comprises the head of a bed 17, tailstock 18, the middle supporting plate 11 between the head of a bed 17 and tailstock 18.Be respectively equipped with top 19 on the head of a bed 17, tailstock 18 opposite faces, and the head of a bed 17 and tailstock 18 inside are respectively equipped with the transmission device (not shown), this transmission device fixedly connected respectively separately top 19, and drive top 19 and rotate together, that is to say, also be provided with on the machine tool main body 10 two relative top 19, each top 19 is connected/supports with the multidiameter 20 of molded lines of rotor 16, rotor is fixed between two top 19.The rotor of below mentioning can be the molded lines of rotor 16 with multidiameter, and this molded lines of rotor 16 has two molded lines of rotor end faces.The two ends of the multidiameter of the molded lines of rotor 16 in the present embodiment are supported with top 19 of the head of a bed 17, tailstock 18 respectively, promptly vertically rotate so that molded lines of rotor 16 vertical rotations are rotated and then driven to the transmission device (not shown) in the head of a bed 17 and the tailstock 18.Top 19 the centre bores of multidiameter 20 by molded lines of rotor 16 of above-mentioned machine tool main body 10 are with molded lines of rotor 16 fixed supports.
In the present embodiment, first motor 12 drives the 14 horizontal rotations of first burr brush, second motor 13 drives the 15 horizontal rotations of second burr brush, so as first burr brush, 14, second burr brush 15 can be with the burr removal of two end faces (as end face A among Fig. 2 and end face A ') of molded lines of rotor 16.
Preferably, for making the burr removal device applicable to the molded lines of rotor of all lengths (this locates the distance between two end faces that described length is meant molded lines of rotor), also be provided with the lateral adjustments handwheel 21 that is used to regulate distance between first motor 12 and second motor 13 on the middle supporting plate 11 of fixing first motor 12 and second motor 13, this lateral adjustments handwheel 21 can be fixed by machine tool main body self parts.Further, middle supporting plate 11 is provided with slideway 23 (being transverse slipway shown in the figure), first motor 12 and second motor 13 lay respectively on the slideway 23, and then first motor 12 and second motor 13 can be separately positioned on the slideway 23 of middle supporting plate 11 of machine tool main body 10 and laterally move.That is to say, first motor 12 and second motor 13 are movably arranged on the transverse slipway of middle supporting plate of described machine tool main body, so that the adjusting of the lateral displacement of first motor 12 and second motor 13 is convenient, (the slideway of not shown length travel in the present embodiment, on the supporting plate 11, it was convenient to the adjusting of the length travel of first motor 12 and second motor 13 during this slideway also was arranged on).Lateral separation between common first motor 12 and second motor 13 is set according to the distance between two end faces of molded lines of rotor 16, generally is made as 160mm to 500mm, as being made as 200mm, 300mm, 350mm or 400mm etc.Need to prove, when the space (vertically) of the middle supporting plate 11 of machine tool main body 10 is not enough to hold first motor 12 and second motor 13, a side of supporting plate 11 in first motor 12 and second motor 13 can being arranged on, promptly be provided with the base station 24 of extension in a side of middle supporting plate 11, can realize by welding one steel plate, on this base station 24, fix first motor 12 and second motor 13 (first motor 12 and second motor 13 can be two threephase asynchronous machines that be arranged in parallel in the reality).
Generally, the motor shaft that first burr brush 14 is connected first motor 12 by connector 25, one end of this connector 25 is the inner hole structure that has keyway (or be inner hole structure and have keyway) and is fixed in motor shaft that the other end is that threaded multidiameter is used to connect first burr brush 14.Correspondingly, between the motor shaft of second burr brush 15 and second motor 13 also is to be connected by the connector with spline structure, one end of this connector is the motor shaft that has the inner hole structure of keyway and be fixed in described second motor, and the other end is that threaded multidiameter is used for fixing described second burr brush.
In addition, in the burr removal device, also be provided with vertical adjusting handle 22, the distance that it is used to regulate first motor 12 or second motor 13 and molded lines of rotor 16 end faces (end face A or end face A ') makes burr brush 14 or second burr brush 15 of winning can contact the end face of molded lines of rotor 16 preferably.Preferably, the lateral adjustments handwheel 21 that is provided with on the middle supporting plate of burr removal device shown in Figure 2 and vertical adjusting handle 22 independently are arranged on respectively on the middle supporting plate.The lateral displacement and the length travel of first motor 12, second motor 13 can be controlled and adjust to lateral adjustments handwheel 21 in the present embodiment and/or vertical adjusting handle 22 simultaneously.When the first above-mentioned motor 12 and second motor 13 are arranged on the base station 24 of extension of the supporting plate 11 that connects machine tool main body 10, lateral adjustments handwheel 21 and vertical adjusting handle 22 also can be arranged on the base station 24, so that regulate first motor 12, second motor 13 simultaneously.
The molded lines of rotor of mentioning in the present embodiment 16 can be male rotor molded lines and female rotor molded lines.The molded lines of rotor that has various profiles of tooth in the prior art is so above-mentioned burr removal device can be regulated first motor 12 and second motor 13 by regulating lateral adjustments handwheel 21 with vertical adjusting handle 22, so that adapt to the tooth-shape structure of various molded lines of rotor 16.
The process of actual removal burr can be: first burr brush, 14 and second burr brush 15 is individually fixed on the motor shaft of the motor shaft of first motor 12 and second motor 13, and molded lines of rotor to be de-burred 16 is fixed between two top 19 of machine tool main body 10; To guarantee that first burr brush 14 and second burr brush 15 can contact two end faces of molded lines of rotor 16 fully.Then, the power supply of the power supply of two transmission devices in the connection machine tool main body 10 and first motor 12, second motor 13, vertical rotation by molded lines of rotor 16 is vertical rotation, with the 15 horizontal rotations of first burr brush, 14, second burr brush, to reach the purpose of automatic removing molded lines of rotor 16 end face burrs.Certainly, in the removal process, can regulate vertical adjusting handle 22, so that first burr brush 14 contacts molded lines of rotor 16 end faces fully with second burr brush 15.
Burr removal device in the foregoing description can thoroughly be removed the burr of molded lines of rotor 16 end faces, and can not cause the destruction of molded lines of rotor 16, has saved the labour, has improved and has removed the efficient that molded lines of rotor 16 end face burrs are removed.
Shown in Fig. 3 A and Fig. 3 B, Fig. 3 A shows the schematic diagram of the male rotor molded lines end face behind the removal burr of the present utility model, and Fig. 3 B shows the schematic diagram of the female rotor molded lines end face behind the removal burr of the present utility model.The end face of its molded lines of rotor 16 shows no burr, and then can be applied to compressor preferably, when being applied to compressor, make the female rotor molded lines of compressor inside and male rotor molded lines in tie point place smooth transition, and then can reduce the energy consumption of compressor and reduce noise, so that improve the overall efficiency that adopts this compressor.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, 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 appropriate technical solution.
Claims (10)
1. a burr removal device is characterized in that, comprising:
Machine tool main body is used for fixing rotor, and described machine tool main body is provided with middle supporting plate, and this rotor comprises more than one molded lines of rotor;
Be arranged at first motor on the middle supporting plate of described machine tool main body; The motor shaft of this first motor is connected with first burr brush;
One end face of the described molded lines of rotor of described first burr brush contact; And
Machine tool main body inside is provided with transmission device, and described transmission device can drive the vertical rotation of described molded lines of rotor and described first burr of described first driven by motor is brushed horizontal rotation, to remove the burr of described molded lines of rotor end face.
2. burr removal device according to claim 1 is characterized in that, described burr removal device also comprises:
Adjusting handle is fixed on the middle supporting plate of described machine tool main body, is used to regulate the length travel and the lateral displacement of described first motor, so that described first burr brush contacts with the end face of described molded lines of rotor.
3. burr removal device according to claim 2 is characterized in that, described adjusting handle comprises vertical adjusting handle and lateral adjustments handwheel, and this vertical adjusting handle and lateral adjustments handwheel independently are arranged on respectively on the described middle supporting plate.
4. according to claim 2 or 3 described burr removal devices, it is characterized in that described burr removal device also comprises: be arranged at second motor on the described middle supporting plate, this second motor is parallel to described first motor; And
Fixedly connected second burr brush of the motor shaft of this second motor, the other end of the described molded lines of rotor of described second burr brush contact.
5. burr removal device according to claim 4 is characterized in that,
Supporting plate is provided with slideway in described, and described first motor and described second motor lay respectively on the described slideway, and
Described adjusting handle is regulated the lateral displacement and the length travel of second motor on the described slideway.
6. burr removal device according to claim 5 is characterized in that,
Lateral separation between described first motor and described second motor is 160mm to 500mm.
7. burr removal device according to claim 5 is characterized in that,
Be connected by connector between the motor shaft of described first burr brush and described first motor, one end of this connector is the motor shaft that has the inner hole structure of keyway and be fixed in described first motor, and the other end is that threaded multidiameter is used for fixing described first burr brush;
Be connected by described connector between the motor shaft of described second burr brush and described second motor, one end of this connector is the motor shaft that has the inner hole structure of keyway and be fixed in described second motor, and the other end is that threaded multidiameter is used for fixing described second burr brush.
8. burr removal device according to claim 1 is characterized in that,
Described molded lines of rotor is male rotor molded lines and female rotor molded lines; The two ends of this molded lines of rotor are equipped with multidiameter.
9. burr removal device according to claim 8 is characterized in that, also be provided with on the described machine tool main body two relative top, each is top to be connected with the multidiameter of described molded lines of rotor, with described molded lines of rotor is fixed in two top between.
10. burr removal device according to claim 4 is characterized in that,
Described first burr brush and second burr brush are the polishing burr brush that contains abrasive particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206870301U CN202028992U (en) | 2010-12-28 | 2010-12-28 | Burr removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206870301U CN202028992U (en) | 2010-12-28 | 2010-12-28 | Burr removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202028992U true CN202028992U (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206870301U Expired - Lifetime CN202028992U (en) | 2010-12-28 | 2010-12-28 | Burr removing device |
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| CN (1) | CN202028992U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528600A (en) * | 2010-12-28 | 2012-07-04 | 北京南口轨道交通机械有限责任公司 | Burr removal device |
| CN102873607A (en) * | 2012-09-19 | 2013-01-16 | 苏州萃智新技术开发有限公司 | Deburring machine |
| CN103115560A (en) * | 2011-11-16 | 2013-05-22 | 昆山鑫昌泰模具科技有限公司 | Shaft part distortion detection device |
| CN105014496A (en) * | 2015-08-03 | 2015-11-04 | 常熟市金华机械股份有限公司 | Deburring tool with wire wheel |
| CN105965734A (en) * | 2016-05-12 | 2016-09-28 | 华国洋 | Rapid burr removing device for plastic screw |
| CN110405568A (en) * | 2019-08-07 | 2019-11-05 | 青岛东元弘瑞实业有限公司 | A kind of steel production middle port burr polishing device with strength-adjustable fixture |
-
2010
- 2010-12-28 CN CN2010206870301U patent/CN202028992U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528600A (en) * | 2010-12-28 | 2012-07-04 | 北京南口轨道交通机械有限责任公司 | Burr removal device |
| CN102528600B (en) * | 2010-12-28 | 2015-02-04 | 北京南口轨道交通机械有限责任公司 | Burr removal device |
| CN103115560A (en) * | 2011-11-16 | 2013-05-22 | 昆山鑫昌泰模具科技有限公司 | Shaft part distortion detection device |
| CN102873607A (en) * | 2012-09-19 | 2013-01-16 | 苏州萃智新技术开发有限公司 | Deburring machine |
| CN105014496A (en) * | 2015-08-03 | 2015-11-04 | 常熟市金华机械股份有限公司 | Deburring tool with wire wheel |
| CN105014496B (en) * | 2015-08-03 | 2017-11-24 | 常熟市金华机械股份有限公司 | Wire wheel burr removal fixture |
| CN105965734A (en) * | 2016-05-12 | 2016-09-28 | 华国洋 | Rapid burr removing device for plastic screw |
| CN110405568A (en) * | 2019-08-07 | 2019-11-05 | 青岛东元弘瑞实业有限公司 | A kind of steel production middle port burr polishing device with strength-adjustable fixture |
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Granted publication date: 20111109 Effective date of abandoning: 20150204 |
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