CN102275102A - Centerless cylindrical grinding machine for cylinder tube of full-automatic hydraulic cylinder - Google Patents
Centerless cylindrical grinding machine for cylinder tube of full-automatic hydraulic cylinder Download PDFInfo
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- CN102275102A CN102275102A CN2011102533717A CN201110253371A CN102275102A CN 102275102 A CN102275102 A CN 102275102A CN 2011102533717 A CN2011102533717 A CN 2011102533717A CN 201110253371 A CN201110253371 A CN 201110253371A CN 102275102 A CN102275102 A CN 102275102A
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Abstract
The invention discloses a centerless cylindrical grinding machine for a cylinder tube of a full-automatic hydraulic cylinder. The centerless cylindrical grinding machine comprises a machine body, a grinding wheel, a guide wheel, a supporting plate, a positioning guide plate, an automatic loading device and an automatic discharging device, wherein because of the automatic loading device and the automatic discharging device, loading and blanking are simple and convenient when the cylinder tube is machined, and the labor intensity of workers is relieved; the cylinder tube is easy to clamp with a positioning mechanism formed by the supporting plate and the guide wheel, so that the clamping time is shortened; compared with a center mechanism and a central frame mechanism of the ordinary cylindrical grinding machine, the positioning mechanism formed by the supporting plate and the guide wheel has the advantages that: the support rigidity is high, the cutting output is large, the long cylinder tube is easy to machine, and high-speed grinding and abrasive grinding are easy to realize; and the centerless cylindrical grinding machine can perform continuous machining without tool withdrawal, and the defect of low production rate in the conventional machining method is overcome.
Description
Technical field
The present invention relates to a kind of processing unit (plant) of hydraulic cylinder cylinder barrel external diameter.
Background technology
The external diameter of the cylinder barrel of hydraulic cylinder need carry out grinding, so that its surface roughness reaches instructions for use, the tradition processing mode as shown in Figure 1, the mandrel 12 of being packed in the two ends of cylinder barrel 11 earlier, and then lift on the cylindrical grinder, centre bore on the mandrel 12 is withstood with thimble 13 respectively in two ends, and an end fixes with the heart folder, begins processing then.There is following shortcoming in this cylindrical grinder:
1. the clamping workpiece process is loaded down with trivial details, and is consuming time many;
2. after processing a cylinder barrel, need withdrawing, be difficult to continuous processing, production efficiency is low;
3. two end supports cylinder barrel, rigidity of support is low, is difficult to process long cylinder barrel, and accommodation is little; And because rigidity of support is low,, generally take the less single amount of feeding, be difficult to carry out high-speed grinding and high-rate grinding for fear of the cylinder barrel distortion;
4. be not easy to upper and lower material automation, labor strength is big.
Summary of the invention
Technical problem to be solved by this invention provide a kind of convenient mounting and clamping, can automatic charging and blanking, Full Automatic Liquid cylinder pressure cylinder barrel cylindrical centreless-type grinder that working (machining) efficiency is high.
For solving the problems of the technologies described above, technical scheme of the present invention is: Full Automatic Liquid cylinder pressure cylinder barrel cylindrical centreless-type grinder comprises:
Lathe bed;
Emery wheel is arranged on a side of grinding cylinder barrel, and the emery wheel installing rack is installed on the described lathe bed;
Guide wheel is arranged on the opposite side of grinding cylinder barrel, and the guide wheel installing rack is installed on the described lathe bed, and described emery wheel installing rack and described guide wheel installing rack can be along the direction feedings perpendicular to cylinder barrel;
Supporting plate is arranged on the side-lower of grinding cylinder barrel, the plate supporting frame that is used for fixing described supporting plate is installed, the double grinding supporting and positioning device of doing described cylinder barrel of described plate supporting frame and described guide wheel on the described lathe bed;
Positioning guide plate is separately positioned on the entrance and exit place of the cylinder barrel grinding passage of described lathe bed, the double assistant grinding supporting and positioning device of doing described cylinder barrel of described positioning guide plate and described supporting plate;
Automatic charging device, be arranged on cylinder barrel grinding starting end, described automatic charging device comprises stock shelf, be installed with the material loading seat on the described stock shelf, be rotatablely equipped with the material loading carrying roller on the described material loading seat, described material loading carrying roller is provided with in pairs, and described material loading carrying roller comprises material loading initiatively carrying roller and the passive carrying roller of material loading, and described material loading initiatively carrying roller is connected with the material loading power set; Described material loading carrying roller has the screwfeed angle;
The self-emptying device, be arranged on the cylinder barrel grinding and finish end, described self-emptying device comprises discharge rack, be installed with the discharging seat on the described discharge rack, be rotatablely equipped with the discharging carrying roller on the described discharging seat, described discharging carrying roller is provided with in pairs, and described discharging carrying roller comprises discharging initiatively carrying roller and the passive carrying roller of discharging, and described discharging initiatively carrying roller is connected with the discharging power set; The axes of rotation skew setting of described discharging carrying roller;
Distance between the terminal material loading carrying roller of described automatic charging device and the top discharging carrying roller of described self-emptying device is less than the length of described hydraulic cylinder cylinder barrel.
As optimized technical scheme, described supporting plate is the adjustable supporting plate in position, between described plate supporting frame and the described lathe bed supporting plate adjusting device is installed.
As optimized technical scheme, described positioning guide plate is the position adjustable guide, between described positioning guide plate and the described lathe bed guide plate adjusting device is installed.
As optimized technical scheme, described material loading power set comprise the universal joint that is connected between the adjacent described material loading active carrying roller rotating shaft, and the described material loading at top initiatively carrying roller rotating shaft power is connected with the material loading drive motors.
As optimized technical scheme, described discharging power set comprise universal joint and the universal drive shaft that links to each other with the rotating shaft of described discharging active carrying roller, and described universal drive shaft power is connected with the discharging drive motors.
Owing to adopted technique scheme, Full Automatic Liquid cylinder pressure cylinder barrel cylindrical centreless-type grinder comprises: lathe bed; Emery wheel is arranged on a side of grinding cylinder barrel, and the emery wheel installing rack is installed on the described lathe bed; Guide wheel is arranged on the opposite side of grinding cylinder barrel, and the guide wheel installing rack is installed on the described lathe bed, and described emery wheel installing rack and described guide wheel installing rack can be along the direction feedings perpendicular to cylinder barrel; Supporting plate is arranged on the side-lower of grinding cylinder barrel, the plate supporting frame that is used for fixing described supporting plate is installed, the double grinding supporting and positioning device of doing described cylinder barrel of described plate supporting frame and described guide wheel on the described lathe bed; Positioning guide plate is separately positioned on the entrance and exit place of the cylinder barrel grinding passage of described lathe bed, the double assistant grinding supporting and positioning device of doing described cylinder barrel of described positioning guide plate and described supporting plate; Automatic charging device, be arranged on cylinder barrel grinding starting end, described automatic charging device comprises stock shelf, be installed with the material loading seat on the described stock shelf, be rotatablely equipped with the material loading carrying roller on the described material loading seat, described material loading carrying roller is provided with in pairs, and described material loading carrying roller comprises material loading initiatively carrying roller and the passive carrying roller of material loading, and described material loading initiatively carrying roller is connected with the material loading power set; Described material loading carrying roller has the screwfeed angle; The self-emptying device, be arranged on the cylinder barrel grinding and finish end, described self-emptying device comprises discharge rack, be installed with the discharging seat on the described discharge rack, be rotatablely equipped with the discharging carrying roller on the described discharging seat, described discharging carrying roller is provided with in pairs, and described discharging carrying roller comprises discharging initiatively carrying roller and the passive carrying roller of discharging, and described discharging initiatively carrying roller is connected with the discharging power set; The axes of rotation skew setting of described discharging carrying roller; Distance between the terminal material loading carrying roller of described automatic charging device and the top discharging carrying roller of described self-emptying device is less than the length of described hydraulic cylinder cylinder barrel.Material loading and blanking when automatic charging device and automatic blanking device make the processing cylinder barrel become simple and convenient, have reduced working strength of workers; The detent mechanism that supporting plate and guide wheel constitute makes that the clamping of cylinder barrel is simpler and easy, has reduced the clamping time; And the detent mechanism of supporting plate and guide wheel formation is more top than plain external grinding machine, centre frame mechanism supporting rigidity is good, and cutting output can be bigger, and help the processing of longer cylinder barrel, is easy to realize high-speed grinding and high-rate grinding; Can process continuously, need not withdrawing, overcome the low shortcoming of traditional diamond-making technique productivity ratio.
Description of drawings
Fig. 1 is the clamping and the processing schematic diagram of traditional peripheral milling in the background technology;
Fig. 2 is the structure principle chart of embodiment of the invention Full Automatic Liquid cylinder pressure cylinder barrel cylindrical centreless-type grinder;
Fig. 3 is the vertical view of embodiment of the invention Full Automatic Liquid cylinder pressure cylinder barrel cylindrical centreless-type grinder;
Fig. 4 is the structural representation of automatic charging device;
Fig. 5 is the vertical view of Fig. 4.
Among the figure: the 1-emery wheel; The 2-guide wheel; The 3-supporting plate; The 4-positioning guide plate; 51-material loading seat; 52-discharging seat; The 61-material loading is carrying roller initiatively; The 62-discharging is carrying roller initiatively; The passive carrying roller of 71-material loading; The passive carrying roller of 72-discharging; The 8-universal joint; 91-material loading drive motors; 92-discharging drive motors; The 11-cylinder barrel; The 12-mandrel; The 13-thimble; The 14-lock-screw.
The specific embodiment
Below in conjunction with drawings and Examples, further set forth the present invention.In the following detailed description, only some one exemplary embodiment of the present invention has been described by the mode of explanation.Undoubtedly, those of ordinary skill in the art can recognize, under situation without departing from the spirit and scope of the present invention, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used to limit the protection domain of claim.
As Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, Full Automatic Liquid cylinder pressure cylinder barrel cylindrical centreless-type grinder comprises: lathe bed, on the described lathe bed of a side of the cylinder barrel 11 in the grinding process emery wheel installing rack is installed, and be rotatablely equipped with emery wheel 1 on the described emery wheel installing rack; On the described lathe bed of the opposite side of the cylinder barrel 11 in the grinding process guide wheel installing rack is installed, be rotatablely equipped with guide wheel 2 on the described guide wheel installing rack, the axis of described guide wheel 2 is obliquely installed and constitutes the feeding angle, described feeding angle is as those skilled in the art's common practise, repeat no more the also not shown described feeding of Gu Tuzhong angle; Described emery wheel installing rack and described guide wheel installing rack can be along the direction feedings perpendicular to cylinder barrel 11; As known configurations, described lathe bed, emery wheel installing rack and guide wheel installing rack are not shown in the accompanying drawings; On the described lathe bed of the below of the cylinder barrel 11 in the grinding process plate supporting frame is installed, the supporting plate 3 that is used to support described cylinder barrel 11 is installed on the described plate supporting frame, described supporting plate 3 is located described cylinder barrel 11 with described guide wheel 2, the position of described supporting plate 3 can be adjusted according to the different cylinder barrels 11 of processing, the lifting of control plate supporting frame or the adjusting that translation can realize supporting plate, the adjustment structure of plate supporting frame and control method are as common practise, be that those skilled in the art are easy to realize, do not do specific descriptions herein, yet not shown described plate supporting frame of Gu Tuzhong and adjustment structure thereof; On the described lathe bed between described supporting plate 3 and the described guide wheel installing rack locating rack is installed, positioning guide plate 4 is installed on the described locating rack, to described cylinder barrel 11 assist location, can adjust according to the different cylinder barrels 11 of processing by the position of described positioning guide plate 4 with described supporting plate 3 for described positioning guide plate 4; The adjustment structure of plate supporting frame and control method are that those skilled in the art are easy to realize as common practise, also do not do specific descriptions herein, the also adjustment structure of not shown described locating rack among the figure.Each arrow among Fig. 2 represents that respectively the work of emery wheel 1, cylinder barrel 11 and guide wheel 2 turns to.Distance between the terminal material loading carrying roller of described automatic charging device and the top discharging carrying roller of described self-emptying device is less than the length of described hydraulic cylinder cylinder barrel 11.
As described in Fig. 3, Fig. 4 and Fig. 5, automatic charging device, be arranged on cylinder barrel grinding starting end, described automatic charging device comprises stock shelf, be installed with material loading seat 51 on the described stock shelf, be rotatablely equipped with the material loading carrying roller on the described material loading seat 51, described material loading carrying roller is provided with in pairs, described material loading carrying roller comprises material loading initiatively carrying roller 61 and the passive carrying roller 7 of material loading, and described material loading initiatively carrying roller 61 is connected with the material loading power set; The axes of rotation skew of described material loading carrying roller is provided with and constitutes the feeding angle, and described feeding angle as shown in Figure 5; Described material loading power set comprise the universal joint 8 that links to each other with the rotating shaft of described material loading active carrying roller 61, and described universal joint 8 power are connected with material loading drive motors 91.Also be provided with locking device on the described material loading seat 51, locking device described in the present embodiment is a lock-screw 14.
The self-emptying device, be arranged on the cylinder barrel grinding and finish end, described self-emptying device comprises discharge rack, be installed with discharging seat 52 on the described discharge rack, be rotatablely equipped with the discharging carrying roller on the described discharging seat 52, described discharging carrying roller is provided with in pairs, and described discharging carrying roller comprises discharging initiatively carrying roller 62 and the passive carrying roller 72 of discharging, and described discharging initiatively carrying roller 62 is connected with the discharging power set; The axes of rotation skew of described discharging carrying roller is provided with and constitutes the feeding angle; Described discharging power set comprise the universal joint 8 that links to each other with the rotating shaft of described discharging active carrying roller 62, and described universal joint 8 power are connected with discharging drive motors 92.Also be provided with locking device on the described material loading seat 52, locking device described in the present embodiment is a lock-screw 14.
Actual process comprises the steps:
1. initial workpiece cylinder barrel step is ground in examination:
Cylinder barrel to be ground is lifted on the automatic charging device of described Full Automatic Liquid cylinder pressure cylinder barrel cylindrical centreless-type grinder; The material loading drive motors 91 of automatic charging device passes through the initiatively universal joint 8 between carrying roller 61 of each material loading, drives initiatively carrying roller 61 rotations of material loading, and material loading active carrying roller 61 is provided with the feeding angle with the passive carrying roller 71 of material loading, drives cylinder barrel 11 and moves to the grinding operating position; After cylinder barrel 11 arrives the position of described positioning guide plate 4 and supporting plate 3, enter " V-type " locating slot pre-determined bit that forms between described positioning guide plate 4 and the supporting plate 3, adjust guide wheel 2 this moment makes it to finish the location with cylinder barrel 11; Start emery wheel 1 afterwards, adjust stock removal, the cylindrical of the described cylinder barrel 11 of grinding; Cylinder barrel 11 constantly moves to the self-emptying device in grinding process, after the end of cylinder barrel 11 touches grinding and finishes the positioning guide plate 4 of end, enter " V-type " locating slot that forms between the positioning guide plate 4 and supporting plate 3 herein, the cylinder barrel 11 that mill is good is driven by discharging active carrying roller 62 and the passive carrying roller 72 of discharging, automatically enter described self-emptying device, wait to be removed herein.After this, take off the good cylinder barrel 11 of mill, the grinding of preparing next cylinder barrel 11.
2. automatic continuous grinding step:
After examination mill was finished, grinding machine had not needed to adjust again, only needed will follow-up cylinder barrel 11 to pursue part and lift on the described automatic charging device, sent into grinding machine by automatic charging device and carried out grinding, finish grinding automatically after, get final product by taking off on the self-emptying device again.
The advantage of Full Automatic Liquid cylinder pressure cylinder barrel cylindrical centreless-type grinder of the present invention:
Material loading and blanking when process as the aforementioned, automatic charging device and automatic blanking device make the processing cylinder barrel become simple and convenient, have realized material loading, blanking automation fully, have reduced working strength of workers; The detent mechanism that supporting plate and guide wheel constitute makes that the clamping of cylinder barrel is simpler and easy, has reduced the clamping time; And the detent mechanism of supporting plate and guide wheel formation is more top than plain external grinding machine, centre frame mechanism supporting rigidity is good, and cutting output can be bigger, and help the processing of longer cylinder barrel, wide accommodation; Be easy to realize high-speed grinding and high-rate grinding; Can process continuously, need not withdrawing, the productivity ratio height.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. Full Automatic Liquid cylinder pressure cylinder barrel cylindrical centreless-type grinder is characterized in that, comprising:
Lathe bed;
Emery wheel is arranged on a side of grinding cylinder barrel, and the emery wheel installing rack is installed on the described lathe bed;
Guide wheel is arranged on the opposite side of grinding cylinder barrel, and the guide wheel installing rack is installed on the described lathe bed, and described emery wheel installing rack and described guide wheel installing rack can be along the direction feedings perpendicular to cylinder barrel;
Supporting plate is arranged on the side-lower of grinding cylinder barrel, the plate supporting frame that is used for fixing described supporting plate is installed, the double grinding supporting and positioning device of doing described cylinder barrel of described plate supporting frame and described guide wheel on the described lathe bed;
Positioning guide plate is separately positioned on the entrance and exit place of the cylinder barrel grinding passage of described lathe bed, the double assistant grinding supporting and positioning device of doing described cylinder barrel of described positioning guide plate and described supporting plate;
Automatic charging device, be arranged on cylinder barrel grinding starting end, described automatic charging device comprises stock shelf, be installed with the material loading seat on the described stock shelf, be rotatablely equipped with the material loading carrying roller on the described material loading seat, described material loading carrying roller is provided with in pairs, and described material loading carrying roller comprises material loading initiatively carrying roller and the passive carrying roller of material loading, and described material loading initiatively carrying roller is connected with the material loading power set; Described material loading carrying roller has the screwfeed angle;
The self-emptying device, be arranged on the cylinder barrel grinding and finish end, described self-emptying device comprises discharge rack, be installed with the discharging seat on the described discharge rack, be rotatablely equipped with the discharging carrying roller on the described discharging seat, described discharging carrying roller is provided with in pairs, and described discharging carrying roller comprises discharging initiatively carrying roller and the passive carrying roller of discharging, and described discharging initiatively carrying roller is connected with the discharging power set; The axes of rotation skew setting of described discharging carrying roller;
Distance between the terminal material loading carrying roller of described automatic charging device and the top discharging carrying roller of described self-emptying device is less than the length of described hydraulic cylinder cylinder barrel.
2. Full Automatic Liquid cylinder pressure cylinder barrel cylindrical centreless-type grinder as claimed in claim 1 is characterized in that described supporting plate is the adjustable supporting plate in position, between described plate supporting frame and the described lathe bed supporting plate adjusting device is installed.
3. Full Automatic Liquid cylinder pressure cylinder barrel cylindrical centreless-type grinder as claimed in claim 1 is characterized in that described positioning guide plate is the position adjustable guide, between described positioning guide plate and the described lathe bed guide plate adjusting device is installed.
4. as claim 1,2 or 3 described Full Automatic Liquid cylinder pressure cylinder barrel cylindrical centreless-type grinders, it is characterized in that, described material loading power set comprise the universal joint that is connected between the adjacent described material loading active carrying roller rotating shaft, and the described material loading at top initiatively carrying roller rotating shaft power is connected with the material loading drive motors.
5. as claim 1,2 or 3 described Full Automatic Liquid cylinder pressure cylinder barrel cylindrical centreless-type grinders, it is characterized in that, described discharging power set comprise universal joint and the universal drive shaft that links to each other with the rotating shaft of described discharging active carrying roller, and described universal drive shaft power is connected with the discharging drive motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102533717A CN102275102A (en) | 2011-08-31 | 2011-08-31 | Centerless cylindrical grinding machine for cylinder tube of full-automatic hydraulic cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102533717A CN102275102A (en) | 2011-08-31 | 2011-08-31 | Centerless cylindrical grinding machine for cylinder tube of full-automatic hydraulic cylinder |
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| CN102275102A true CN102275102A (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102533717A Pending CN102275102A (en) | 2011-08-31 | 2011-08-31 | Centerless cylindrical grinding machine for cylinder tube of full-automatic hydraulic cylinder |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476339A (en) * | 2014-12-10 | 2015-04-01 | 重庆耀勇减震器有限公司 | Centreless grinding guide plate debugging tool |
| CN107520694A (en) * | 2017-10-11 | 2017-12-29 | 江苏新合益机械有限公司 | One kind grinding production line |
| CN107553232A (en) * | 2017-10-11 | 2018-01-09 | 江苏新合益机械有限公司 | It is a kind of based on the piston rod production line for exempting from quenched and tempered steel |
| CN108081043A (en) * | 2017-12-20 | 2018-05-29 | 丰达石油装备股份有限公司 | Sucker rod polished rod roughly grinds system |
| CN109175921A (en) * | 2018-11-13 | 2019-01-11 | 江苏新合益机械有限公司 | A kind of piston rod production system |
| CN109531302A (en) * | 2018-12-12 | 2019-03-29 | 大开精密工业(浙江)有限公司 | A kind of round bar send receiving rack |
| CN109894935A (en) * | 2017-12-08 | 2019-06-18 | 辽宁法库陶瓷工程技术研究中心 | A kind of overlength, high-accuracy Pyrex pipe outside diameter processing technology |
| CN110625488A (en) * | 2019-09-26 | 2019-12-31 | 马鞍山一众机电有限公司 | Bar material skin grinding machine and application thereof |
| CN111975484A (en) * | 2020-08-14 | 2020-11-24 | 赖宁辉 | Even grinding device of rolling pin |
| CN112025454A (en) * | 2020-09-03 | 2020-12-04 | 江苏力源液压机械有限公司 | Automatic valve rod feeding and deburring system of hydraulic reversing valve |
| CN112692651A (en) * | 2020-12-30 | 2021-04-23 | 綦江齿轮传动有限公司 | Grinding method for preventing small-length-diameter-ratio part from jumping |
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| CN201895246U (en) * | 2010-06-24 | 2011-07-13 | 江阴市中德矿冶机械制造有限公司 | Linear rotation feeder |
| CN202240740U (en) * | 2011-08-31 | 2012-05-30 | 王万法 | Automatic coreless grinding machine for processing excircle of hydraulic cylinder shell |
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| DD205367A1 (en) * | 1982-06-02 | 1983-12-28 | Leipzig Mikrosa Veb | SYSTEM FOR TIPLESS EXTERNAL ROUND GRINDING, IN PARTICULAR WAIST STORAGE RINGS |
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| CN201895246U (en) * | 2010-06-24 | 2011-07-13 | 江阴市中德矿冶机械制造有限公司 | Linear rotation feeder |
| CN202240740U (en) * | 2011-08-31 | 2012-05-30 | 王万法 | Automatic coreless grinding machine for processing excircle of hydraulic cylinder shell |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476339B (en) * | 2014-12-10 | 2016-08-24 | 重庆耀勇减震器有限公司 | Centreless grinding guide plate debugging tool |
| CN104476339A (en) * | 2014-12-10 | 2015-04-01 | 重庆耀勇减震器有限公司 | Centreless grinding guide plate debugging tool |
| CN107520694A (en) * | 2017-10-11 | 2017-12-29 | 江苏新合益机械有限公司 | One kind grinding production line |
| CN107553232A (en) * | 2017-10-11 | 2018-01-09 | 江苏新合益机械有限公司 | It is a kind of based on the piston rod production line for exempting from quenched and tempered steel |
| CN109894935A (en) * | 2017-12-08 | 2019-06-18 | 辽宁法库陶瓷工程技术研究中心 | A kind of overlength, high-accuracy Pyrex pipe outside diameter processing technology |
| CN108081043A (en) * | 2017-12-20 | 2018-05-29 | 丰达石油装备股份有限公司 | Sucker rod polished rod roughly grinds system |
| CN109175921A (en) * | 2018-11-13 | 2019-01-11 | 江苏新合益机械有限公司 | A kind of piston rod production system |
| CN109531302A (en) * | 2018-12-12 | 2019-03-29 | 大开精密工业(浙江)有限公司 | A kind of round bar send receiving rack |
| CN109531302B (en) * | 2018-12-12 | 2024-03-01 | 大开精密工业(浙江)有限公司 | Round bar material feeding and receiving rack |
| CN110625488A (en) * | 2019-09-26 | 2019-12-31 | 马鞍山一众机电有限公司 | Bar material skin grinding machine and application thereof |
| CN111975484A (en) * | 2020-08-14 | 2020-11-24 | 赖宁辉 | Even grinding device of rolling pin |
| CN112025454A (en) * | 2020-09-03 | 2020-12-04 | 江苏力源液压机械有限公司 | Automatic valve rod feeding and deburring system of hydraulic reversing valve |
| CN112692651A (en) * | 2020-12-30 | 2021-04-23 | 綦江齿轮传动有限公司 | Grinding method for preventing small-length-diameter-ratio part from jumping |
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Application publication date: 20111214 |