CN203542928U - Tungsten steel push rod - Google Patents
Tungsten steel push rod Download PDFInfo
- Publication number
- CN203542928U CN203542928U CN201320664580.5U CN201320664580U CN203542928U CN 203542928 U CN203542928 U CN 203542928U CN 201320664580 U CN201320664580 U CN 201320664580U CN 203542928 U CN203542928 U CN 203542928U
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- CN
- China
- Prior art keywords
- push rod
- described push
- planes
- screwed hole
- wolfram steel
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Abstract
The utility model discloses a tungsten steel push rod. The tungsten steel push rod comprises a cylindrical push rod body, wherein the cylindrical push rod body comprises a first push rod part, a second push rod part and a third push rod part, which are coaxially arranged from left to right; the periphery of the first push rod part is annularly provided with a groove around the cylindrical push rod body, four first planes are uniformly distributed at the periphery of the second push rod part annularly, four second planes are uniformly distributed into a circle at the periphery of the third push rod part, a first threaded hole is formed at the center of one side (far away from the second push rod part) of the third push rod part, the first threaded hole extends into the first push rod part from the third push rod part and does not penetrate through the first push rod part, a second threaded hole is formed in one second cambered surface and perpendicular to the axis direction of the push rod body, and the second threaded hole extends into the first threaded hole. The tungsten steel push rod has high dimensional accuracy, and the dimensional precision of the tungsten steel push rod is still in a required precision range after the tungsten steel push rod is used for multiple times.
Description
Technical field
The utility model relates to a kind of wolfram steel push rod.
Background technology
Wolfram steel push rod has another name called wolfram steel thimble, and it is usually used in, in plastic mould, workpiece being separated from mould.The method of processing wolfram steel push rod is general at present adopts traditional manual turnning and milling to grind processing, the wolfram steel push rod processing cannot reach the requirement to accuracy of each size, wolfram steel push rod cannot be assembled or use, cause wolfram steel push rod need secondary operations or directly scrap, increase cost, extended the production cycle.
Utility model content
The purpose of this utility model is to propose a kind of wolfram steel push rod, and it has higher dimensional accuracy, and after repeatedly using, its dimensional accuracy is still within the scope of permissible accuracy.
For reaching this object, the utility model by the following technical solutions:
A kind of wolfram steel push rod, comprise cylindrical push rod body, described push rod body comprises the push rod first that is coaxial setting, push rod second portion and push rod third part from left to right, the external diameter of described push rod first equals the external diameter of described push rod third part, and the external diameter of described push rod first is greater than the external diameter of described push rod second portion;
Axis annular around described push rod body outside described push rod first arranges groove;
Uniform four first planes of peripheral annular of described push rod second portion, the angle between adjacent two described the first planes is 90 °, between adjacent two the first planes, the first cambered surface is set, the radius of described the first cambered surface equals the radius of described push rod second portion;
Uniform four the second planes of described push rod third part peripheral annular, the angle between adjacent two described the second planes is 90 °, between adjacent two the second planes, the second cambered surface is set, the radius of described the second cambered surface equals the radius of described push rod first;
Described push rod third part arranges the first screwed hole away from described push rod second portion Yi Ce center, described the first screwed hole is extended in push rod first by described push rod third part, but do not run through described push rod first, in described second plane, along the axis direction perpendicular to described push rod body, the second screwed hole is set therein, described the second screwed hole extends in described the first screwed hole.
As a kind of preferred version of wolfram steel push rod, between described the second plane and the end face of described push rod third part away from described push rod second portion one end, the first chamfering is set.
As a kind of preferred version of wolfram steel push rod, between described the first screwed hole and the end face of described push rod third part away from described push rod second portion one end, the second chamfering is set.
As a kind of preferred version of wolfram steel push rod, described the first chamfering and described the second chamfering are straight line chamfering.
As a kind of preferred version of wolfram steel push rod, described push rod body adopts SKH-9 to make.
A processing method for wolfram steel push rod, it,, for processing wolfram steel push rod as above, comprises the steps:
Step S10, blanking, add blanking after certain surplus by the length of push rod body and external diameter;
Described in step S20, lathe roughing, the external diameter of push rod body, leaves allowance for finish on external diameter, and the centre of described push rod body does not process;
Described in step S30, centerless grinder fine finishining, the external diameter of push rod body, leaves allowance for finish on external diameter, and the centre of described push rod body does not process;
Step S40, CNC milling machine bore the first screwed hole and the second screwed hole, and to described the first screwed hole and the second hole processing screw thread;
Step S50, HRC detect, and described push rod body is carried out to hardness detection;
The external diameter of push rod body described in step S60, centerless grinder reconditioning;
Step S70, grinding machine are processed the second plane of the push rod third part periphery of described push rod body;
Step S80, surface grinding machine are slightly repaiied the overall length of described push rod body, and length direction stays the surplus of 0.03mm;
Step S90, grinding machine are processed the second cambered surface of the push rod third part periphery of described push rod body, make the moulding of described push rod third part;
Step S100, lathe are processed the external diameter of the push rod second portion of described push rod body, and machined grooves, the first chamfering and the second chamfering;
Step S110, surface grinding machine are processed the first plane of described push rod second portion periphery;
The push rod first of push rod body described in step S120, centerless grinder fine finishining;
Step S130, polishing machine carry out polishing to described push rod body periphery;
Step S140, surface grinding machine are repaired the length of described push rod body.
As a kind of preferred version of the processing method of wolfram 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 wolfram steel push rod, setting steps S131 after described step S130: polishing detects.
As a kind of preferred version of the processing method of wolfram steel push rod, setting steps S141 after described step S140: finished product detection.
As a kind of preferred version of the processing method of wolfram steel push rod, described semi-finished product detect, described polishing detects and described finished product detection all adopts red lead and roughmeter to detect.
The beneficial effects of the utility model are: wolfram steel push rod described in the utility model has higher dimensional accuracy, and after repeatedly using, its dimensional accuracy is still in the accuracy rating of needs.
Accompanying drawing explanation
Fig. 1 is that the master of the wolfram steel push rod described in utility model embodiment looks schematic diagram;
Fig. 2 is the schematic side view of the wolfram steel push rod described in utility model embodiment;
Fig. 3 is the A-A cross-sectional schematic of Fig. 1;
Fig. 4 is the schematic perspective view of the wolfram steel push rod described in utility model embodiment.
In Fig. 1 to 4:
1, push rod first; 2, push rod second portion; 3, push rod third part; 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.
The specific embodiment
Below in conjunction with accompanying drawing and by the specific embodiment, further illustrate the technical solution of the utility model.
As shown in Figures 1 to 3 in embodiment, wolfram steel push rod of the present utility model, comprise cylindrical push rod body, push rod body comprises the push rod first 1 that is coaxial setting, push rod second portion 2 and push rod third part 3 from left to right, the external diameter of push rod first 1 equals the external diameter of push rod third part 3, and the external diameter of push rod first 1 is greater than the external diameter of push rod second portion 2.
The outer axis annular around push rod body of push rod first 1 arranges groove 4.
Uniform four first planes 5 of peripheral annular of push rod second portion 2, the angle between adjacent two the first planes 5 is 90 °, the radius that the first cambered surface 6, the first cambered surfaces 6 are set between adjacent two the first planes 5 equals the radius of push rod second portion 2.
Uniform four the second planes 7 of push rod third part 3 peripheral annular, the angle between adjacent two the second planes 7 is 90 °, the radius that the second cambered surface 8, the second cambered surfaces 8 are set between adjacent two the second planes 7 equals the radius of push rod first 1.
Push rod third part 3 arranges the first screwed hole 9 away from push rod second portion 2 Yi Ce centers, the first screwed hole 9 is extended in push rod first 1 by push rod third part 3, but do not run through push rod first 1, in second plane 7, along the axis direction perpendicular to push rod body, the second screwed hole 10, the second screwed holes 10 being set therein extends in the first screwed hole 9.
Between the second plane 7 and the end face of push rod third part 3 away from push rod second portion 2 one end, arrange between the first chamfering 11, the first screwed holes 9 and the end face of push rod third part 3 away from push rod second portion 2 one end 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, push rod body adopts SKH-9 to make.
A processing method for wolfram steel push rod, comprises the steps:
Step S10, blanking, add blanking after certain surplus by the length of push rod body and external diameter;
The external diameter of step S20, lathe roughing push rod body, leaves allowance for finish on external diameter, the centre of push rod body does not process;
Step S30, centerless grinder fine finishining, the external diameter of push rod body, leaves allowance for finish on external diameter, and the centre of push rod 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 push rod body is carried out to hardness detection;
The external diameter of step S60, centerless grinder reconditioning push rod body;
The second plane 7 of push rod third part 3 peripheries of step S70, grinding machine processing push rod body;
Step S80, surface grinding machine are slightly repaiied the overall length of push rod body, and length direction stays the surplus of 0.03mm;
The second cambered surface 8 of push rod third part 3 peripheries of step S90, grinding machine processing push rod body, makes 3 moulding of push rod third part;
The external diameter of the push rod second portion 2 of step S100, lathe processing push rod body, and machined grooves 4, the first chamfering 11 and the second chamfering 12;
The first plane 5 of step S110, surface grinding machine processing push rod second portion 2 peripheries;
The push rod first 1 of step S120, centerless grinder fine finishining push rod body;
Step S121: semi-finished product detect;
Step S130, polishing machine carry out polishing to push rod body periphery;
Step S131: polishing detects;
The length of step S140, surface grinding machine finishing push rod 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 utility model, " second ", " 3rd " etc., only, for being distinguished on describing, do not have special implication.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (5)
1. a wolfram steel push rod, it is characterized in that, comprise cylindrical push rod body, described push rod body comprises the push rod first that is coaxial setting, push rod second portion and push rod third part from left to right, the external diameter of described push rod first equals the external diameter of described push rod third part, and the external diameter of described push rod first is greater than the external diameter of described push rod second portion;
Axis annular around described push rod body outside described push rod first arranges groove;
Uniform four first planes of peripheral annular of described push rod second portion, the angle between adjacent two described the first planes is 90 °, between adjacent two the first planes, the first cambered surface is set, the radius of described the first cambered surface equals the radius of described push rod second portion;
Uniform four the second planes of described push rod third part peripheral annular, the angle between adjacent two described the second planes is 90 °, between adjacent two the second planes, the second cambered surface is set, the radius of described the second cambered surface equals the radius of described push rod first;
Described push rod third part arranges the first screwed hole away from described push rod second portion Yi Ce center, described the first screwed hole is extended in push rod first by described push rod third part, but do not run through described push rod first, in described second plane, along the axis direction perpendicular to described push rod body, the second screwed hole is set therein, described the second screwed hole extends in described the first screwed hole.
2. wolfram steel push rod according to claim 1, is characterized in that, between described the second plane and the end face of described push rod third part away from described push rod second portion one end, the first chamfering is set.
3. wolfram steel push rod according to claim 2, is characterized in that, between described the first screwed hole and the end face of described push rod third part away from described push rod second portion one end, the second chamfering is set.
4. wolfram steel push rod according to claim 3, is characterized in that, described the first chamfering and described the second chamfering are straight line chamfering.
5. according to the wolfram steel push rod described in claim 1 to 4 any one, it is characterized in that, described push rod body adopts SKH-9 to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664580.5U CN203542928U (en) | 2013-10-25 | 2013-10-25 | Tungsten steel push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664580.5U CN203542928U (en) | 2013-10-25 | 2013-10-25 | Tungsten steel push rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203542928U true CN203542928U (en) | 2014-04-16 |
Family
ID=50461094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320664580.5U Withdrawn - After Issue CN203542928U (en) | 2013-10-25 | 2013-10-25 | Tungsten steel push rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203542928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552185A (en) * | 2013-10-25 | 2014-02-05 | 昆山精创模具有限公司 | Tungsten steel push rod and machining method thereof |
| CN105312849A (en) * | 2014-07-29 | 2016-02-10 | 常州兰翔机械有限责任公司 | Production method of tanker push rod |
-
2013
- 2013-10-25 CN CN201320664580.5U patent/CN203542928U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552185A (en) * | 2013-10-25 | 2014-02-05 | 昆山精创模具有限公司 | Tungsten steel push rod and machining method thereof |
| CN103552185B (en) * | 2013-10-25 | 2015-10-28 | 昆山精创模具有限公司 | Tungsten steel push rod and processing method thereof |
| CN105312849A (en) * | 2014-07-29 | 2016-02-10 | 常州兰翔机械有限责任公司 | Production method of tanker push rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |