CN103552185B - Tungsten steel push rod and processing method thereof - Google Patents
Tungsten steel push rod and processing method thereof Download PDFInfo
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- CN103552185B CN103552185B CN201310514010.2A CN201310514010A CN103552185B CN 103552185 B CN103552185 B CN 103552185B CN 201310514010 A CN201310514010 A CN 201310514010A CN 103552185 B CN103552185 B CN 103552185B
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- push rod
- rod part
- putter body
- tungsten steel
- screwed hole
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Abstract
The present invention discloses a kind of tungsten steel push rod, comprise cylindrical putter body, putter body comprises the push rod Part I in coaxial setting, push rod Part II and push rod Part III from left to right, and the outer axis annular around putter body of push rod Part I arranges groove; Uniform four first planes of peripheral annular of push rod Part II; Uniform four the second planes of push rod Part III peripheral annular; Push rod Part III arranges the first screwed hole away from the center of the side of push rod Part II, first screwed hole extends in push rod Part I by push rod Part III, but do not run through push rod Part I, second cambered surface arranges the second screwed hole along the axis direction perpendicular to putter body wherein, the second screwed hole extends in the first screwed hole.The present invention also discloses a kind of processing method of tungsten steel push rod, and this processing method can make the dimensional accuracy of tungsten steel push rod accurate, and production process is once qualified, and product rejection rate is low.
Description
Technical field
The present invention relates to a kind of tungsten steel push rod and processing method thereof.
Background technology
Tungsten steel push rod has another name called wolfram steel thimble, and it is usually used in, in plastic mould, being separated by workpiece from mould.The method of current processing tungsten steel push rod generally adopts traditional manual turnning and milling mill processing, the tungsten steel push rod processed cannot reach the requirement to accuracy of each size, tungsten steel push rod cannot be assembled or use, tungsten steel push rod is caused to need secondary operations or directly scrap, add cost, extend the production cycle.
Summary of the invention
The object of the invention is to propose a kind of tungsten steel push rod, it has higher dimensional accuracy, and after repeatedly using, its dimensional accuracy is still within the scope of permissible accuracy.
Another object of the present invention is the processing method proposing a kind of tungsten steel push rod, and it can make the dimensional accuracy of tungsten steel push rod accurate, and production process is once qualified, and without the need to secondary operations, product rejection rate is low, and low production cost is with short production cycle.
For reaching this object, the present invention by the following technical solutions:
A kind of tungsten steel push rod, comprise cylindrical putter body, described putter body comprises the push rod Part I in coaxial setting, push rod Part II and push rod Part III from left to right, the external diameter of described push rod Part I equals the external diameter of described push rod Part III, and the external diameter of described push rod Part I is greater than the external diameter of described push rod Part II;
The outer axis annular around described putter body of described push rod Part I arranges groove;
Uniform four first planes of peripheral annular of described push rod Part II, the angle between adjacent two described first planes is 90 °, arranges the first cambered surface between adjacent two the first planes, and the radius of described first cambered surface equals the radius of described push rod Part II;
Uniform four the second planes of described push rod Part III peripheral annular, the angle between adjacent two described second planes is 90 °, and arrange the second cambered surface between adjacent two the second planes, the radius of described second cambered surface equals the radius of described push rod Part I;
Described push rod Part III arranges the first screwed hole away from the center of the side of described push rod Part II, described first screwed hole extends in push rod Part I by described push rod Part III, but do not run through described push rod Part I, described second plane arranges the second screwed hole along the axis direction perpendicular to described putter body wherein, described second screwed hole extends in described first screwed hole.
As a kind of preferred version of tungsten steel push rod, between described second plane and the end face of described push rod Part III away from described push rod Part II one end, the first chamfering is set.
As a kind of preferred version of tungsten steel push rod, between described first screwed hole and the end face of described push rod Part III away from described push rod Part II one end, the second chamfering is set.
As a kind of preferred version of tungsten steel push rod, described first chamfering and described second chamfering are straight line chamfering.
As a kind of preferred version of tungsten steel push rod, described putter body adopts SKH-9 to make.
A processing method for tungsten steel push rod, it, for processing tungsten steel push rod as above, comprises the steps:
Step S10, blanking, add blanking after certain surplus by the length of putter body and external diameter;
Described in step S20, lathe roughing, the external diameter of putter body, external diameter leaves allowance for finish, and the centre of described putter body does not process;
Described in step S30, centerless grinder fine finishining, the external diameter of putter body, external diameter leaves allowance for finish, and the centre of described putter body does not process;
Step S40, CNC milling machine bore the first screwed hole and the second screwed hole, and to described first screwed hole and the second hole processing screw thread;
Step S50, HRC detect, and carry out hardness determination to described putter body;
The external diameter of putter body described in step S60, centerless grinder reconditioning;
The second plane of the push rod Part III periphery of described putter body processed by step S70, grinding machine;
The overall length of described putter body slightly repaiied by step S80, surface grinding machine, and length direction stays the surplus of 0.03mm;
The second cambered surface of the push rod Part III periphery of described putter body processed by step S90, grinding machine, makes described push rod Part III shaping;
The external diameter of the push rod Part II of putter body described in step S100, lathe process, and machined grooves, the first chamfering and the second chamfering;
The first plane of described push rod Part II periphery processed by step S110, surface grinding machine;
The push rod Part I of putter body described in step S120, centerless grinder fine finishining;
Step S130, polishing machine carry out polishing to described putter body periphery;
The length of described putter body repaired by step S140, surface grinding machine.
As a kind of preferred version of the processing method of tungsten steel push rod, setting steps S121 after described step S120: semi-finished product detect.
As a kind of preferred version of the processing method of tungsten steel push rod, setting steps S131 after described step S130: polishing detects.
As a kind of preferred version of the processing method of tungsten steel push rod, setting steps S141 after described step S140: finished product detection.
As a kind of preferred version of the processing method of tungsten steel push rod, described semi-finished product detect, described polishing detects and described finished product detection all adopts red lead and roughmeter to detect.
Beneficial effect of the present invention is: tungsten steel push rod of the present invention has higher dimensional accuracy, and after repeatedly using, its dimensional accuracy is still in the accuracy rating needed.The processing method of tungsten steel push rod of the present invention can make the dimensional accuracy of tungsten steel push rod accurate, and production process is once qualified, and without the need to secondary operations, product rejection rate is low, and low production cost is with short production cycle.
Accompanying drawing explanation
Fig. 1 is the schematic front view of the tungsten steel push rod described in inventive embodiments;
Fig. 2 is the schematic side view of the tungsten steel push rod described in inventive embodiments;
Fig. 3 is the A-A cross-sectional schematic of Fig. 1;
Fig. 4 is the schematic perspective view of the tungsten steel push rod described in inventive embodiments.
In Fig. 1 to 4:
1, push rod Part I; 2, push rod Part II; 3, push rod Part III; 4, groove; 5, the first plane; 6, the first cambered surface; 7, the second plane; 8, the second cambered surface; 9, the first screwed hole; 10, the second screwed hole; 11, the first chamfering; 12, the second chamfering.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
As shown in Figures 1 to 3 in embodiment, tungsten steel push rod of the present invention, comprise cylindrical putter body, putter body comprises the push rod Part I 1 in coaxial setting, push rod Part II 2 and push rod Part III 3 from left to right, the external diameter of push rod Part I 1 equals the external diameter of push rod Part III 3, and the external diameter of push rod Part I 1 is greater than the external diameter of push rod Part II 2.
The outer axis annular around putter body of push rod Part I 1 arranges groove 4.
Uniform four first planes 5 of peripheral annular of push rod Part II 2, the angle between adjacent two the first planes 5 is 90 °, and the radius arranging the first cambered surface 6, first cambered surface 6 between adjacent two the first planes 5 equals the radius of push rod Part II 2.
Uniform four the second planes 7 of push rod Part III 3 peripheral annular, the angle between adjacent two the second planes 7 is 90 °, and the radius arranging the second cambered surface 8, second cambered surface 8 between adjacent two the second planes 7 equals the radius of push rod Part I 1.
Push rod Part III 3 arranges the first screwed hole 9 away from the center of the side of push rod Part II 2, first screwed hole 9 extends in push rod Part I 1 by push rod Part III 3, but do not run through push rod Part I 1, second plane 7 arranges the second screwed hole 10, second screwed hole 10 along the axis direction perpendicular to putter body wherein to extend in the first screwed hole 9.
Arrange between second plane 7 and the end face of push rod Part III 3 away from push rod Part II 2 one end between the first chamfering 11, first screwed hole 9 and the end face of push rod Part III 3 away from push rod Part II 2 one end and the second chamfering 12 is set.
In the present embodiment, the first chamfering 11 and the second chamfering 12 are straight line chamfering.
In the present embodiment, putter body adopts SKH-9 to make.
A processing method for tungsten steel push rod, comprises the steps:
Step S10, blanking, add blanking after certain surplus by the length of putter body and external diameter;
The external diameter of step S20, lathe roughing putter body, external diameter leaves allowance for finish, and the centre of putter body does not process;
Step S30, centerless grinder fine finishining, the external diameter of putter body, external diameter leaves allowance for finish, and the centre of putter body does not process;
Step S40, CNC milling machine bore the first screwed hole 9 and the second screwed hole 10, and to the first screwed hole 9 and the second screwed hole 10 machining screw;
Step S50, HRC detect, and carry out hardness determination to putter body;
The external diameter of step S60, centerless grinder reconditioning putter body;
Second plane 7 of push rod Part III 3 periphery of step S70, grinding machine processing putter body;
The overall length of putter body slightly repaiied by step S80, surface grinding machine, and length direction stays the surplus of 0.03mm;
Second cambered surface 8 of push rod Part III 3 periphery of step S90, grinding machine processing putter body, makes push rod Part III 3 shaping;
The external diameter of the push rod Part II 2 of step S100, lathe process putter body, and machined grooves 4, first chamfering 11 and the second chamfering 12;
First plane 5 of step S110, surface grinding machine processing push rod Part II 2 periphery;
The push rod Part I 1 of step S120, centerless grinder fine finishining putter body;
Step S121: semi-finished product detect;
Step S130, polishing machine carry out polishing to putter body periphery;
Step S131: polishing detects;
The length of step S140, surface grinding machine finishing putter body;
Step S141: finished product detection.
In the present embodiment, semi-finished product detection, polishing detection and finished product detection all adopt red lead and roughmeter to detect.
" first " of the present invention, " second ", " the 3rd " etc., only for being distinguished in description, not special implication.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. a tungsten steel push rod, it is characterized in that, comprise cylindrical putter body, described putter body comprises the push rod Part I in coaxial setting, push rod Part II and push rod Part III from left to right, the external diameter of described push rod Part I equals the external diameter of described push rod Part III, and the external diameter of described push rod Part I is greater than the external diameter of described push rod Part II;
The outer axis annular around described putter body of described push rod Part I arranges groove;
Uniform four first planes of peripheral annular of described push rod Part II, the angle between adjacent two described first planes is 90 °, arranges the first cambered surface between adjacent two the first planes, and the radius of described first cambered surface equals the radius of described push rod Part II;
Uniform four the second planes of described push rod Part III peripheral annular, the angle between adjacent two described second planes is 90 °, arranges the second cambered surface between adjacent two the second planes, and the radius of described second cambered surface equals the radius of described push rod Part I;
Described push rod Part III arranges the first screwed hole away from the center of the side of described push rod Part II, described first screwed hole extends in push rod Part I by described push rod Part III, but do not run through described push rod Part I, described second plane arranges the second screwed hole along the axis direction perpendicular to described putter body wherein, described second screwed hole extends in described first screwed hole.
2. tungsten steel push rod according to claim 1, is characterized in that, arranges the first chamfering between described second plane and the end face of described push rod Part III away from described push rod Part II one end.
3. tungsten steel push rod according to claim 2, is characterized in that, arranges the second chamfering between described first screwed hole and the end face of described push rod Part III away from described push rod Part II one end.
4. tungsten steel push rod according to claim 3, is characterized in that, described first chamfering and described second chamfering are straight line chamfering.
5. the tungsten steel push rod according to any one of Claims 1-4, is characterized in that, described putter body adopts SKH-9 to make.
6. a processing method for tungsten steel push rod, is characterized in that, it, for processing tungsten steel push rod as claimed in claim 5, comprises the steps:
Step S10, blanking, add blanking after certain surplus by the length of putter body and external diameter;
Described in step S20, lathe roughing, the external diameter of putter body, external diameter leaves allowance for finish, and the centre of described putter body does not process;
Described in step S30, centerless grinder fine finishining, the external diameter of putter body, external diameter leaves allowance for finish, and the centre of described putter body does not process;
Step S40, CNC milling machine bore the first screwed hole and the second screwed hole, and to described first screwed hole and the second hole processing screw thread;
Step S50, HRC detect, and carry out hardness determination to described putter body;
The external diameter of putter body described in step S60, centerless grinder reconditioning;
The second plane of the push rod Part III periphery of described putter body processed by step S70, grinding machine;
The overall length of described putter body slightly repaiied by step S80, surface grinding machine, and length direction stays the surplus of 0.03mm;
The second cambered surface of the push rod Part III periphery of described putter body processed by step S90, grinding machine, makes described push rod Part III shaping;
The external diameter of the push rod Part II of putter body described in step S100, lathe process, and machined grooves, the first chamfering and the second chamfering;
The first plane of described push rod Part II periphery processed by step S110, surface grinding machine;
The push rod Part I of putter body described in step S120, centerless grinder fine finishining;
Step S130, polishing machine carry out polishing to described putter body periphery;
The length of described putter body repaired by step S140, surface grinding machine.
7. the processing method of tungsten steel push rod according to claim 6, is characterized in that, setting steps S121 after described step S120: semi-finished product detect.
8. the processing method of tungsten steel push rod according to claim 7, is characterized in that, setting steps S131 after described step S130: polishing detects.
9. the processing method of tungsten steel push rod according to claim 8, is characterized in that, setting steps S141 after described step S140: finished product detection.
10. the processing method of tungsten steel push rod according to claim 9, is characterized in that, described semi-finished product detect, described polishing detects and described finished product detection all adopts red lead and roughmeter to detect.
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| CN201310514010.2A CN103552185B (en) | 2013-10-25 | 2013-10-25 | Tungsten steel push rod and processing method thereof |
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| CN201310514010.2A CN103552185B (en) | 2013-10-25 | 2013-10-25 | Tungsten steel push rod and processing method thereof |
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| CN103552185B true CN103552185B (en) | 2015-10-28 |
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| CN104384863A (en) * | 2014-11-24 | 2015-03-04 | 苏州市福迈精密机械有限公司 | Machining technology of connecting rod |
| CN110141385A (en) * | 2019-05-16 | 2019-08-20 | 乐清市求实微型轴有限公司 | A kind of electric toothbrush axis production technology |
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| JPS59166401A (en) * | 1983-03-08 | 1984-09-19 | Nippon Steel Corp | Machining method for compound pipe coupling |
| JP2003205336A (en) * | 2002-01-08 | 2003-07-22 | Tori Techno:Kk | High strength stainless steel bolt and manufacturing method therefor |
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| CN200939670Y (en) * | 2006-08-25 | 2007-08-29 | 佛山市顺德区汉达精密电子科技有限公司 | Exhaust nosespike structure |
| CN201371564Y (en) * | 2009-02-23 | 2009-12-30 | 福星塑胶模具(深圳)有限公司 | Injection mold ejector pin structure |
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