CN108982007B - Cold header pressure sensor calibrating device - Google Patents
Cold header pressure sensor calibrating device Download PDFInfo
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- CN108982007B CN108982007B CN201811128289.XA CN201811128289A CN108982007B CN 108982007 B CN108982007 B CN 108982007B CN 201811128289 A CN201811128289 A CN 201811128289A CN 108982007 B CN108982007 B CN 108982007B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
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Abstract
The invention relates to the technical field of cold headers, in particular to a pressure sensor calibrating device of a cold header, which comprises a main die holder, wherein one side of the main die holder is connected with a main die shell, one side of the main die shell is provided with a die stamping shell, one side of the die stamping shell is connected with the die stamping holder, one end of the main die shell is provided with a cushion block hole, the bottom surface of the cushion block hole is provided with a spring hole, the bottom surface of the spring hole is provided with a floating rod hole, one side of the floating rod hole is connected with a floating rod, one side of the floating rod is provided with a nitrogen spring, one side of the nitrogen spring is connected with a cushion block, one end of the die stamping shell is provided with a column; the main die shell and the die shell are respectively arranged in the die core holes of the main die holder and the die holder, and the cold header is operated to perform a complete stroke, so that the punch rod extrudes the floating rod in the main die shell, the nitrogen spring is compressed, the pressure of the nitrogen spring is measured by the pressure test equipment, and data can be collected for comparative analysis, thereby providing convenience for research.
Description
Technical Field
The invention relates to the technical field of cold headers, in particular to a pressure sensor calibration device of a cold header.
Background
Multi-station cold headers often require the installation of pressure sensors to monitor machine operating conditions. The pressure sensor is arranged in a die side of the cold header, the pressure sensor can give out the numerical value of a corresponding electric signal when each station is pressurized, the numerical value represents the pressure, whether the current machine operates normally is judged by comparing the numerical value with the numerical value in a normal state, the working principle of the multi-station cold header is that the die holder reciprocates in a fixed track of equipment, and when the die holder reaches a front dead point, blanks of internal parts of the die holder and the die core of the main die holder are extruded and deformed to obtain a product.
However, if the physical value of the pressure needs to be known accurately for the purpose of research, the sensor service provider can only purchase expensive services to calibrate the electrical signal value to the physical value, which is not only expensive but also inconvenient, and the repeated tests cannot be performed, and the repeated tests may cause a higher cost investment. In view of this, we propose a cold header pressure sensor calibration device.
Disclosure of Invention
The invention aims to provide a cold header pressure sensor calibration device to solve the problems that the cost is high and repeated tests are inconvenient to obtain pressure data when the pressure of a cold header is tested and researched in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
cold heading machine pressure sensor calibrating device, including the main die holder, one side of main die holder is connected with main mould shell, one side of main mould shell is equipped with towards the mould shell, the one side of towards the mould shell is connected with towards the die holder, main mould shell is cylinder and top side set up screw hole, the cushion hole has been seted up to the one end of main mould shell, the spring hole has been seted up to the bottom surface in cushion hole, the excellent hole of superficial has been seted up to the bottom surface in spring hole, one side in excellent hole of superficial is connected with the floating rod, one side of floating rod is equipped with nitrogen spring, one side of nitrogen spring is connected with the cushion, it has the blind hole to open towards the top side of mould shell, the one end towards the mould shell has been seted up the post hole, the excellent hole has been seted up to the bottom.
Preferably, one side of the main die holder is provided with a plurality of main die core holes, the top surface of the main die holder is provided with a positioning hole, and the positioning hole is communicated with one of the main die core holes.
Preferably, the main mould shell is matched with the main mould core hole in an inserting mode, and the threaded holes correspond to the positioning holes one to one and are equal in size.
Preferably, the inner diameter of the cushion hole is larger than that of the spring hole, the inner diameter of the spring hole is larger than that of the floating rod hole, the cushion hole is in plug-in fit with the cushion block, a plurality of jacks are formed in one end of the cushion block at equal intervals, and the jacks are in plug-in fit with the nitrogen spring.
Preferably, the one end of superficial stick is equipped with the spliced pole, superficial stick with superficial stick hole sliding connection, the spliced pole with spring hole sliding connection.
Preferably, the inner diameter of the column hole is larger than that of the rod hole, one end of the punching rod is provided with a top column, the top column is in sliding connection with the column hole, and the punching rod is in sliding connection with the rod hole.
Preferably, one side of the die holder is provided with a plurality of die core holes, the top surface of the die holder is provided with a limiting hole, the die shell is in splicing fit with the die core holes, and the blind holes correspond to the limiting holes one to one.
Compared with the prior art, the invention has the beneficial effects that:
this cold heading machine pressure sensor calibrating device installs main mould shell and die shell respectively in the die core hole of main mould base and die base, and operation cold heading machine carries out a complete stroke, and die shell and die stamping rod advance along with the die base, and the floating rod in the main mould shell is extruded to the stamping rod when arriving the front dead center position, makes nitrogen spring compressed to measure the pressure that nitrogen spring compressed through pressure test equipment, alright collection data carry out comparative analysis, thereby provide convenience for the research.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a view of the internal structure of the main form and die shell of the present invention;
FIG. 3 is an exploded view of the main mold shell of the present invention;
FIG. 4 is an exploded view of the die housing of the present invention;
FIG. 5 is an assembled view of the main form and die shell of the present invention;
FIG. 6 is a graph showing the assembly test of the cushion block and the nitrogen spring according to the present invention.
In the figure: 1. a main die holder; 10. a master mold core hole; 11. positioning holes; 2. a main formwork; 20. a threaded hole; 21. a pad hole; 22. a spring hole; 23. a floating rod hole; 24. a floating rod; 240. connecting columns; 25. a nitrogen spring; 26. cushion blocks; 260. a jack; 3. punching a mould shell; 30. blind holes; 31. a post hole; 32. a rod hole; 33. punching a rod; 330. a top pillar; 4. a die holder; 40. punching a die core hole; 41. and a limiting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the present invention, and in the description of the present invention, "a number" means two or more unless specifically defined otherwise.
Example 1
A cold heading machine pressure sensor calibration device is shown in figure 1 and comprises a main die holder 1, wherein one side of the main die holder 1 is connected with a main die shell 2, one side of the main die shell 2 is provided with a die stamping shell 3, and one side of the die stamping shell 3 is connected with a die stamping seat 4.
In this embodiment, the inner side of the blind hole 30 is provided with a thread, the main mold shell 2 and the main mold base 1 are screwed in the threaded hole 20 through a bolt passing through the positioning hole 11, so that the main mold shell 2 is fixed, and the die shell 3 and the die base 4 are screwed in the blind hole 30 through a bolt passing through the limiting hole 41, so that the die shell 3 is fixed.
Specifically, one side of the main die holder 1 is provided with a plurality of main die core holes 10, the top surface of the main die holder 1 is provided with a positioning hole 11, and the positioning hole 11 is communicated with one of the main die core holes 10.
Further, the main mold shell 2 is matched with the main mold core hole 10 in an inserting mode, and the threaded holes 20 correspond to the positioning holes 11 one by one and are equal in size.
In addition, a plurality of die core holes 40 are formed in one side of the die holder 4, limiting holes 41 are formed in the top surface of the die holder 4, the die shell 3 is matched with the die core holes 40 in an inserted mode, and the blind holes 30 correspond to the limiting holes 41 one to one.
Example 2
As a second embodiment of the present invention, in order to conveniently research the pressure of the cold header, the present inventors have provided a main formwork 2 and a die shell 3, as shown in fig. 2, 3, 4, 5 and 6, as a preferred embodiment, the main formwork 2 is cylindrical, and a threaded hole 20 is formed on a top side thereof, one end of the main formwork 2 is provided with a pad hole 21, a spring hole 22 is formed on a bottom surface of the pad hole 21, a floating rod hole 23 is formed on a bottom surface of the spring hole 22, one side of the floating rod hole 23 is connected with a floating rod 24, one side of the floating rod 24 is provided with a nitrogen spring 25, one side of the nitrogen spring 25 is connected with a pad 26, a blind hole 30 is formed on a top side of the die shell 3, one end of the die shell 3 is provided with a column hole 31, a rod hole 32 is formed on a bottom surface of the column hole 31, and one side of.
In the embodiment, the nitrogen spring 25 has large elasticity and stable output, the nitrogen spring 25 is an NBB nitrogen spring produced by Danish die Co., Ltd, and matched parts can be provided by the manufacturer; moreover, the invention relates to the injection of nitrogen under high pressure, all of which are known in the art, and which can be fully implemented by the skilled person, without going beyond the field of protection, nor does it relate to any structural and functional improvement of the nitrogen spring 25.
Specifically, the internal diameter of cushion hole 21 is greater than the internal diameter of spring hole 22, and the internal diameter of spring hole 22 is greater than the internal diameter of superficial excellent hole 23, and cushion hole 21 and cushion 26 are pegged graft and are cooperated, and a plurality of jacks 260 have been seted up to the equidistant one end of cushion 26, and jack 260 and nitrogen spring 25 are pegged graft and are cooperated, because the difference of internal diameter to form the step, make cushion 26 not slide out of cushion hole 21, make the superficial excellent hole 23 of floating stick 24 not slide out.
Further, one end of the floating rod 24 is provided with a connecting column 240, the floating rod 24 is slidably connected with the floating rod hole 23, the connecting column 240 is slidably connected with the spring hole 22, and the connecting column 240 extrudes the nitrogen spring 25 to reciprocate.
In addition, the inner diameter of the column hole 31 is larger than that of the rod hole 32, one end of the punch 33 is provided with the top column 330, the top column 330 is in sliding connection with the column hole 31, the punch 33 is in sliding connection with the rod hole 32, and steps are formed due to different inner diameters, so that the punch 33 does not slide out of the rod hole 32.
When the cold header pressure sensor calibration device is tested, the floating rod 24, the nitrogen spring 25 and the cushion block 26 are inserted from the cushion block hole 21 in sequence, the whole body is placed into the main die core hole 10 of the main die holder 1, the positioning holes 11 and the screw holes 20 are corresponded and fixedly connected by bolts, so that the main mold case 2 is fixed, the punch bar 33 is inserted from the column hole 31, and put into the die core hole 40 so that the stopper hole 41 corresponds to the blind hole 30 and is fixedly connected by bolts, and the cold heading machine is operated for one complete stroke, as shown in fig. 5, when the plunger 33 is pressed against the floating rod 24, the nitrogen spring 25 is compressed, and the pressure of the nitrogen spring 25 can be measured by a pressure measuring device, as shown in fig. 6, and testing is performed according to the assembling modes of the nitrogen springs 25 with different numbers from a to g, and comparative analysis can be performed by recording test data, so that convenience is provided for research.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. Cold heading machine pressure sensor calibrating device, including main die holder (1), one side of main die holder (1) is connected with main mould shell (2), one side of main mould shell (2) is equipped with towards mould shell (3), one side of towards mould shell (3) is connected with towards mould shell (4), its characterized in that: the punching die comprises a main die shell (2), a spring hole (22), a floating rod hole (23), a floating rod (24), a nitrogen spring (25), a cushion block (26), a blind hole (30), a column hole (31), a rod hole (32), and a punching rod (33), wherein the main die shell (2) is cylindrical, the top side of the main die shell is provided with a threaded hole (20), one end of the main die shell (2) is provided with the cushion block hole (21), the bottom surface of the cushion block hole (21) is provided with the spring hole (22), the bottom surface of the spring hole (22) is provided with the floating rod hole (23), one side of the floating rod hole (23) is connected with the floating rod (24), one side of the floating rod (24) is provided with the nitrogen spring (25), one side of the nitrogen spring (25) is connected with the cushion block (26; the method comprises the steps that a main die shell and a die shell are respectively installed in die core holes of a main die holder and a die holder, a cold header is operated to perform a complete stroke, a die stamping shell and a die stamping rod advance along with the die holder, the die stamping rod extrudes a floating rod in the main die shell when the die stamping rod reaches a front dead center position, a nitrogen spring is compressed, the pressure of the nitrogen spring is measured through pressure testing equipment, the pressure sensor is calibrated, the inner diameter of a cushion block hole (21) is larger than that of a spring hole (22), the inner diameter of the spring hole (22) is larger than that of a floating rod hole (23), the cushion block hole (21) is in inserting fit with a cushion block (26), a plurality of inserting holes (260) are formed in one end of the cushion block (26) at equal intervals, and the inserting holes (260) are in inserting fit with the nitrogen spring (25).
2. The cold heading machine pressure sensor calibration device of claim 1, wherein: one side of the main die holder (1) is provided with a plurality of main die core holes (10), the top surface of the main die holder (1) is provided with a positioning hole (11), and the positioning hole (11) is communicated with one main die core hole (10).
3. The cold heading machine pressure sensor calibration device of claim 2, wherein: the main mould shell (2) is matched with the main mould core hole (10) in an inserting mode, and the threaded holes (20) correspond to the positioning holes (11) one to one and are equal in size.
4. The cold heading machine pressure sensor calibration device of claim 1, wherein: one end of the floating rod (24) is provided with a connecting column (240), the floating rod (24) is in sliding connection with the floating rod hole (23), and the connecting column (240) is in sliding connection with the spring hole (22).
5. The cold heading machine pressure sensor calibration device of claim 1, wherein: the inner diameter of the column hole (31) is larger than that of the rod hole (32), one end of the punching rod (33) is provided with a top column (330), the top column (330) is in sliding connection with the column hole (31), and the punching rod (33) is in sliding connection with the rod hole (32).
6. The cold heading machine pressure sensor calibration device of claim 1, wherein: the stamping die comprises a stamping die base (4), a plurality of stamping die core holes (40) are formed in one side of the stamping die base (4), limiting holes (41) are formed in the top surface of the stamping die base (4), the stamping die shell (3) is in plug-in fit with the stamping die core holes (40), and the blind holes (30) correspond to the limiting holes (41) one to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128289.XA CN108982007B (en) | 2018-09-27 | 2018-09-27 | Cold header pressure sensor calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128289.XA CN108982007B (en) | 2018-09-27 | 2018-09-27 | Cold header pressure sensor calibrating device |
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| Publication Number | Publication Date |
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| CN108982007A CN108982007A (en) | 2018-12-11 |
| CN108982007B true CN108982007B (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811128289.XA Active CN108982007B (en) | 2018-09-27 | 2018-09-27 | Cold header pressure sensor calibrating device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553686A (en) * | 2019-10-12 | 2019-12-10 | 重庆四标精密零部件制造有限公司 | Cold header running state monitoring system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190837A (en) * | 2014-07-17 | 2014-12-10 | 奚进洲 | Method and device for monitoring running state of cold header |
| CN204262260U (en) * | 2014-12-01 | 2015-04-15 | 苏州工业园区新凯精密五金有限公司 | The mould structure of safety belt transmission shaft driven flower tooth |
| CN205926972U (en) * | 2016-08-25 | 2017-02-08 | 苏州工业园区新凯精密五金有限公司 | A cold heading die group for making clamping orient nut |
| CN106180481A (en) * | 2016-08-30 | 2016-12-07 | 苏州工业园区新凯精密五金有限公司 | A kind of parking brake terminal cold-heading device and cold heading technique thereof |
| CN207709741U (en) * | 2018-01-04 | 2018-08-10 | 嘉兴市东佑五金制品有限公司 | A kind of calibrating installation for cold headers |
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| CN108982007A (en) | 2018-12-11 |
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