CN110052787A - A kind of processing technology and product of inside and outside tooth nut - Google Patents
A kind of processing technology and product of inside and outside tooth nut Download PDFInfo
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- CN110052787A CN110052787A CN201910327798.3A CN201910327798A CN110052787A CN 110052787 A CN110052787 A CN 110052787A CN 201910327798 A CN201910327798 A CN 201910327798A CN 110052787 A CN110052787 A CN 110052787A
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- 238000012545 processing Methods 0.000 title claims abstract description 28
- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- 238000010079 rubber tapping Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 5
- 238000005422 blasting Methods 0.000 claims abstract description 4
- 238000005553 drilling Methods 0.000 claims abstract description 4
- 238000000227 grinding Methods 0.000 claims abstract description 4
- 238000003754 machining Methods 0.000 claims abstract description 4
- 238000012856 packing Methods 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 238000005491 wire drawing Methods 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 10
- 241001153678 Calyptra Species 0.000 claims description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 239000011780 sodium chloride Substances 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/02—Shape of thread; Special thread-forms
- F16B2033/025—Shape of thread; Special thread-forms with left-hand thread
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses the processing technologys and product of a kind of inside and outside tooth nut, include the following steps, step 1, preparation need to make the raw material of nut, get through to form inner cavity with drilling machine by raw material machine-shaping, while by the center of molding nut with cold headers after wire drawing；Step 2, to step 1, treated that nut is heat-treated；Step 3 carries out interior tooth tapping with tapping machine to the nut after being heat-treated in step 2 in the inner cavity of nut, and outer surface carries out outer tooth tapping, and detects to the interior tooth and outer tooth of tapping completion；Step 4 will detect qualified nut cold-heading machining chamfering and suppress hole at tooth outside each layer by mold, while carrying out grinding process to the outer surface of nut in step 3；Step 5, to step 4, treated that nut is heat-treated；Step 6, to step 5 processing after 2 to 2.5 hours of nut natural cooling；Step 6 nut after cooling is processed by shot blasting rear packing and binding by step 7.
Description
Technical field
The present invention relates to parts processing industry more particularly to a kind of processing technologys and product of inside and outside tooth nut, are suitable for
But it is not limited only to being connected and fixed for Furniture panel.
Background technique
With the continuous development of technique, miscellaneous nut is produced, effect is also had nothing in common with each other.Inside and outside tooth nut is one
Kind inside and outside nut for all having screw thread, is often squeezed into plate using pre-buried by the way of, realized using external screw thread and
The fixation of plate realizes the connection with screw using internal screw thread, to complete the fixation of two plates.
Because inside and outside tooth nut belongs to precision components, in processing, extremely it is easy because the not perfect of processing technology is led
It causes size or inside and outside tooth etc. deviation occur to make being connected and fixed for plate undesirable, plate occurs and be not connected firmly even
It falls off and brings some unnecessary losses.Inside and outside tooth nut in the prior art simultaneously still has part wooden after squeezing into plate
Bits remain between nut and plate, are not connected firmly nut with plate.
A kind of current processing technology of inside and outside tooth nut of market in urgent need, can allow the processing of nut more accurate, structure is more
For optimization, the connection of nut and plate is made more to fasten, is firm.
Summary of the invention
Present invention aims to solve the deficiencies of the prior art, and provides a kind of the processing technology and product of a kind of inside and outside tooth nut,
The processing of nut can not only be made more accurate, additionally it is possible to so that the connection between nut and plate more fastens, is firm.
To achieve the goals above, the following technical solution is employed by the present invention:
It is proposed a kind of processing technology of inside and outside tooth nut, comprising the following steps:
Step 1, preparation need to make the raw material of nut, with cold headers by raw material machine-shaping after wire drawing, simultaneously
The center of molding nut is got through to form inner cavity with drilling machine；
Step 2, to step 1, treated that nut is heat-treated；
Step 3 carries out interior tooth tapping, appearance with tapping machine to the nut after being heat-treated in step 2 in the inner cavity of nut
Face carries out outer tooth tapping, and detects to the interior tooth and outer tooth of tapping completion；
Step 4 will detect qualified nut cold-heading machining chamfering and by mold outside each layer in step 3
Hole is suppressed at tooth, while grinding process is carried out to the outer surface of nut；
Step 5, to step 4, treated that nut is heat-treated；
Step 6, to step 5 processing after 2 to 2.5 hours of nut natural cooling；
Step 6 nut after cooling is processed by shot blasting rear packing and binding by step 7.
Further, the screwing operation of the interior tooth in step 3 and outer tooth the following steps are included:
Step S1, turned part position is carried out according to the three-level required precision of screw thread according to nut interior tooth and the size of outer tooth
Set adjustment；
Step S2, start lathe, nut cut and adjust depth of cut using dial；
Step S3, lathe tool is first exited when lathe tool soon completes cutting, lathe tool is then retracted into knife rest, and control knife rest
The depth of cut.
Further, the depth of cut of roughing tool needs to control in 0.15mm-0.3mm, and the depth of cut of finishing tool needs to control
System is in 0.02mm-0.05mm.
Further, nut center is got through in step 1 and step 4 is suppressed and matched when cheating using convex concave mould
The mode of conjunction carries out, specifically includes the following steps:
Step Y1: it is as follows that the specific formula of punch mold is produced first, in accordance with corresponding design size
Wherein APFor piercing punch basic size, MminFor the minimum limit of size in punching part hole, x is the coefficient of waste, and Δ is that product is public
Difference；
Step Y2: minimum operational gap N is used as according to the 16% of plate thickness according to the actual size of benchmark moldminInto
Row configuration concave die, the size of simultaneously budget cavity plate wearing calculation cutting edge of die is calculated according to minimum operational gap,
Wherein NminFor minimum operational gap, x is the coefficient of waste, and Δ is product tolerance, δ A
For manufacture deviation；
Step Y3: punch-pin and the cavity plate cooperation that use production goes out are completed to be punched out operation.
Further, the heat treatment operation in the step 2 and step 5 includes carrying out salt bath with the salt made from earth containing a comparatively high percentage of sodium chloride of melting first to add
Heat then keeps the temperature 1 hour, the mode of annealing is finally selected to be cooled down.
A kind of inside and outside tooth nut, is made, the outer surface of the nut is provided with external screw teeth, institute by above-mentioned processing technology
The inner surface for stating nut is provided with internal screw thread；Each layer of the external screw teeth is provided with several holes, the external screw teeth and institute
The direction of rotation for stating internal screw thread is opposite.
Further, the shape in the hole is U-shaped.
Further, the head of the nut is equipped with calyptra, and calyptrate side outline is in inverted ladder shape, comprising:
The top that successively surrounds, the left side, following and the right, the left side and the right are symmetrical, described the right and it is following between angle be
145 degree of left sides are in the arcuation being bent outwardly, and the calyptra is additionally provided with the boosting mechanism screwed in convenient for the nut.
Further, the boosting mechanism is included in calyptrate middle part perforative regular hexagon hollow out or circle from top to down
Hollow out.
The invention has the benefit that the present invention is optimized by the processing technology to nut, with relatively easy convenient
Processing method keep the processing of nut more accurate, while by the way that the external screw thread of nut is suppressed hole, for allowing because nut revolves
The sawdust of part for entering plate and generating is concealed in hole, thus reduce when sawdust is not completed out to be discharged influence nut with
The fastening situation of plate.
Detailed description of the invention
Fig. 1 show the nut overall structure diagram of embodiment 1；
Fig. 2 show calyptrate engraved structure schematic diagram of embodiment 1；
Fig. 3 show calyptrate engraved structure schematic diagram of embodiment 2.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu, complete description, to be completely understood by the purpose of the present invention, scheme and effect.It should be noted that the case where not conflicting
Under, the features in the embodiments and the embodiments of the present application can be combined with each other.The identical attached drawing mark used everywhere in attached drawing
Note indicates the same or similar part.
The following steps are included:
Step 1, preparation need to make the raw material of nut, with cold headers by raw material machine-shaping after wire drawing, simultaneously
The center of molding nut is got through to form inner cavity with drilling machine；
Step 2, to step 1, treated that nut is heat-treated；
Step 3 carries out interior tooth tapping, appearance with tapping machine to the nut after being heat-treated in step 2 in the inner cavity of nut
Face carries out outer tooth tapping, and detects to the interior tooth and outer tooth of tapping completion；
For the method for detection, what is generallyd use is the measurement to actual sizes such as the screw pitch of screw thread and central diameters, and is tied
The theoretical gap closed between the nominal diameter of externally threaded nominal diameter and internal screw thread, the theoreticalpiston of screw thread, tooth is calculated
The ideal dimensions come compare, and the nut in the error range of error precision required for oneself is regarded as qualified spiral shell
It is female.
Step 4 will detect qualified nut cold-heading machining chamfering and by mold outside each layer in step 3
Hole is suppressed at tooth, while grinding process is carried out to the outer surface of nut；
Nut embedment end is subjected to polishing and processes chamfering, stress more mitigates when nut can be made to be embedded to, one side energy
On the other hand the service life for enough increasing nut itself can also protect plate, and when carrying out compacting hole, adjustable mold
Angle, make the longitudinal axis certain angle for opening up direction and deviateing the nut in the hole suppressed, further enhance nut with
The connection tightness of plate.
Step 5, to step 4, treated that nut is heat-treated；
Step 6, to step 5 processing after 2 to 2.5 hours of nut natural cooling；
Step 6 nut after cooling is processed by shot blasting rear packing and binding by step 7.
The present invention is optimized by the processing technology to nut, makes adding for nut with relatively easy convenient and fast processing method
Work is more accurate, while by the way that the external screw thread of nut is suppressed hole, for allowing the part generated because nut screws in plate
Sawdust is concealed in hole, so that reducing when sawdust does not complete out the fastening situation for being discharged and influencing nut and plate.
Further, the screwing operation of the interior tooth in step 3 and outer tooth the following steps are included:
Step S1, turned part position is carried out according to the three-level required precision of screw thread according to nut interior tooth and the size of outer tooth
Set adjustment；
Step S2, start lathe, nut cut and adjust depth of cut using dial；
Step S3, lathe tool is first exited when lathe tool soon completes cutting, lathe tool is then retracted into knife rest, and control knife rest
The depth of cut.
It should be noted that carry out checking the positive and negative vehicle operating mechanism of lathe and open cutting money when carrying out lathe tool and cutting screw thread
The critical components such as nut are closed, prevent unexpected failure when operation from causing unnecessary loss；
Control is had to when cutting, during penetration of a cutting tool and shakes circle number, cannot be shaken into circle or more more, otherwise
Lathe tool damage, workpiece bending or the accidents such as fly out can occur；
The whorl work piece that wiping cannot be gone to rotate with cotton yarn, can not carry out touch thread surface with hand, prevent from sending out
Raw safety accident.
Further, the depth of cut of roughing tool needs to control in 0.15mm-0.3mm, and the depth of cut of finishing tool needs to control
System is in 0.02mm-0.05mm.In order to protect lathe tool not damage, the accuracy of manufacture declines after being also prevented from lathe tool abrasion.
Further, it carries out, has in such a way that convex concave mould cooperates when being got through in step 1 to nut center
Body the following steps are included:
Step Y1: it is as follows that the specific formula of punch mold is produced first, in accordance with corresponding design sizeWherein APFor piercing punch basic size, MminFor the minimum limit of size in punching part hole, x is
The coefficient of waste, Δ are product tolerance；
Step Y2: minimum operational gap N is used as according to the 16% of plate thickness according to the actual size of benchmark moldminInto
Row configuration concave die, the size of simultaneously budget cavity plate wearing calculation cutting edge of die is calculated according to minimum operational gap,
Wherein NminFor minimum operational gap, x is the coefficient of waste, and Δ is product tolerance, δ A
For manufacture deviation；It is IT10 or more, x=1 when product tolerance；When product is inserted as IT11-IT13 again, x=0.75 is taken；Work as system
When part tolerance is IT14, x=0.5 is taken, and δ A takes 0.25 Δ, the manufacturing tolerance of common die takes 0.25 Δ enough, this implementation
Example combines actual conditions to choose 0.25 Δ, can also select 4-6 μm of precision instrument standard according to specific requirements.
Step Y3: punch-pin and the cavity plate cooperation that use production goes out are completed to be punched out operation.
In conjunction with actual conditions, when being punched, punch and matrix will rub between punching raw material, so
As a result it can make die wear to make size reduce, so being calculated using above-mentioned steps, can guarantee in this way in mold quilt
It still is able to be punched out satisfactory hole when wearing to a certain degree.
Further, the heat treatment operation in the step 2 and step 5 includes carrying out salt bath with the salt made from earth containing a comparatively high percentage of sodium chloride of melting first to add
Heat then keeps the temperature 1 hour, the mode of annealing is finally selected to be cooled down.It, can in heat treatment using the salt bath heating of salt made from earth containing a comparatively high percentage of sodium chloride
To prevent block, decarburization, and the methods for cooling of annealing is used to obtain to make metal inside tissue reach or approach equilibrium state
Obtain good processing performance and service performance.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, a kind of inside and outside tooth nut is made, outside the nut by above-mentioned processing technology
Surface is provided with external screw teeth, and the inner surface of the nut is provided with internal screw thread；Each layer of the external screw teeth is provided with several
A hole, the external screw teeth are opposite with the direction of rotation of the internal screw thread.
Further, the shape in the hole is U-shaped.The longitudinal axis for opening up nut 100 described in direction in the U-shaped hole 111
30 degree of line.In order to further enhance the tightness of nut 100 Yu plate, the present embodiment will cheat 111 be shaped to it is U-shaped, because
It is stronger for the U-shaped ability for accommodating sawdust when squeezing into preset holes compared to V-type, it can prevent sawdust from rotating in nut 100
During skid off hole 111 so as to cause nut 100 loosening.Specifically because V-type hole needs to overcome while accommodating sawdust
Partical gravity, once sawdust will drop out when rotated, make nut 100 if the frictional force of 111 edges of hole and sawdust is inadequate
It reduces with the tightness of plate, in addition by 30 degree of the longitudinal axis for opening up nut described in direction of U-shaped hole 111, on the one hand may be used
To prevent sawdust from dropping out hole 111 to a certain extent, on the other hand can increase to a certain extent tight between nut and plate
Soundness
In the present embodiment, the head of the nut is equipped with calyptra, and calyptrate side outline is in inverted ladder shape,
Include: the top successively surrounded, the left side, following and the right, the left side and the right are symmetrical, described the right and it is following between folder
Angle is that 145 degree of left sides are in the arcuation being bent outwardly, and the calyptra is additionally provided with the power-assisted knot screwed in convenient for the nut
Structure.By the way that 120 structure of calyptra is arranged, on the one hand plate can be completed in order to the combination of the screw and nut 100 matched
On the other hand the cross-sectional diameter of calyptra 120 is configured the ontology less times greater than nut 100 by the interconnection of material, and
The left and right end of calyptra 120 is arranged to the arcuation 121 being bent outwardly, at the same by described the right and it is following between angle be
145 degree, the buffering of installation nut is carried out, protects plate to a certain extent, while embodiment 1 is equipped at calyptrate middle part
Perforative hexagon hollow out 122 from top to down, embodiment 2 are equipped with a perforative circle from top to down at calyptrate middle part and engrave
Sky 123 can be easy to use screwdriver or other tools to carry out the disassembly of nut 100, be also convenient for installation and be adapted with nut
Screw.
Although description of the invention is quite detailed and especially several embodiments are described, it is not
Any of these details or embodiment or any specific embodiments are intended to be limited to, but should be considered as is by reference to appended
A possibility that claim provides broad sense in view of the prior art for these claims explanation, to effectively cover the present invention
Preset range.In addition, with the foreseeable embodiment of inventor, present invention is described above, its purpose is to be provided with
Description, and those still unforeseen at present change to unsubstantiality of the invention can still represent equivalent modifications of the invention.
The above, only presently preferred embodiments of the present invention, the invention is not limited to above embodiment, as long as
It reaches technical effect of the invention with identical means, all should belong to protection scope of the present invention.In protection model of the invention
Its technical solution and/or embodiment can have a variety of different modifications and variations in enclosing.
Claims (9)
1. a kind of processing technology of inside and outside tooth nut, which comprises the following steps:
Step 1, preparation need to make the raw material of nut, with cold headers by raw material machine-shaping after wire drawing, while will be at
The center of the nut of type is got through to form inner cavity with drilling machine；
Step 2, to step 1, treated that nut is heat-treated；
Step 3 carries out interior tooth tapping with tapping machine to the nut after being heat-treated in step 2 in the inner cavity of nut, outer surface into
The outer tooth tapping of row, and the interior tooth and outer tooth of tapping completion are detected；
Step 4 will detect qualified nut cold-heading machining chamfering and by mold outside each layer at tooth in step 3
Hole is suppressed, while grinding process is carried out to the outer surface of nut；
Step 5, to step 4, treated that nut is heat-treated；
Step 6, to step 5 processing after 2 to 2.5 hours of nut natural cooling；
Step 6 nut after cooling is processed by shot blasting rear packing and binding by step 7.
2. a kind of processing technology of inside and outside tooth nut according to claim 1, which is characterized in that interior tooth in step 3 with
And outer tooth screwing operation the following steps are included:
Step S1, turned part position tune is carried out according to the three-level required precision of screw thread according to nut interior tooth and the size of outer tooth
It is whole；
Step S2, start lathe, nut cut and adjust depth of cut using dial；
Step S3, lathe tool is first exited when lathe tool soon completes cutting, lathe tool is then retracted into knife rest, and control eating for knife rest
Knife depth.
3. a kind of processing technology of inside and outside tooth nut according to claim 2, which is characterized in that the depth of cut of roughing tool
It needs to control in 0.15mm-0.3mm, the depth of cut of finishing tool needs to control in 0.02mm-0.05mm.
4. a kind of processing technology of inside and outside tooth nut according to claim 1, which is characterized in that in step 1 to nut
It is carried out in such a way that convex concave mould is cooperated when center is got through and step 4 compacting is cheated, specifically includes the following steps:
Step Y1: it is as follows that the specific formula of punch mold is produced first, in accordance with corresponding design size
Wherein ApFor piercing punch basic size, MminFor the minimum limit of size in punching part hole, x is the coefficient of waste, and Δ is that product is public
Difference；
Step Y2: minimum operational gap N is used as according to the 16% of plate thickness according to the actual size of benchmark moldminMatched
Concave die is set, the size of simultaneously budget cavity plate wearing calculation cutting edge of die is calculated according to minimum operational gap,
Wherein NminFor minimum operational gap, x is the coefficient of waste, and Δ is product tolerance, and δ A is manufacture
Deviation；
Step Y3: punch-pin and the cavity plate cooperation that use production goes out are completed to be punched out operation.
5. a kind of processing technology of inside and outside tooth nut according to claim 1, which is characterized in that the step 2 and step
Heat treatment operation in rapid 5 includes carrying out salt bath heating with the salt made from earth containing a comparatively high percentage of sodium chloride of melting first, then keeps the temperature 1 hour, finally selects and move back
The mode of fire is cooled down.
6. a kind of inside and outside tooth nut, which is characterized in that be made by the above processing technology, the outer surface of the nut is provided with
The inner surface of external screw teeth, the nut is provided with internal screw thread；Each layer of the external screw teeth is provided with several holes, described outer
Thread is opposite with the direction of rotation of the internal screw thread.
7. a kind of inside and outside tooth nut according to claim 6, which is characterized in that the shape in the hole is U-shaped.
8. a kind of inside and outside tooth nut according to claim 6, which is characterized in that the head of the nut is equipped with calyptra,
Calyptrate side outline is in inverted ladder shape, comprising: the top that successively surrounds, the left side, following and the right, the left side and
The right is symmetrical, described the right and it is following between angle be 145 degree of left sides be in the arcuation being bent outwardly, the calyptra is also
Equipped with the boosting mechanism screwed in convenient for the nut.
9. a kind of inside and outside tooth nut according to claim 8, which is characterized in that the boosting mechanism is included in calyptrate
Middle part perforative regular hexagon hollow out or round hollow out from top to down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910327798.3A CN110052787B (en) | 2019-04-23 | Processing technology and product of inner and outer tooth nuts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910327798.3A CN110052787B (en) | 2019-04-23 | Processing technology and product of inner and outer tooth nuts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110052787A true CN110052787A (en) | 2019-07-26 |
| CN110052787B CN110052787B (en) | 2024-05-14 |
Family
ID=
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|---|---|---|---|---|
| US5518679A (en) * | 1995-01-17 | 1996-05-21 | Sta-Rite Industries, Inc. | Method and apparatus for making a component having interior and exterior threads |
| JP2003251432A (en) * | 2002-02-28 | 2003-09-09 | Aputo:Kk | Cap nut, and method for manufacturing the same |
| US20100316466A1 (en) * | 2007-11-16 | 2010-12-16 | Ulrich Hettich | Method for producing a threaded insert with an internal and external thread, and threaded insert |
| CN102152062A (en) * | 2010-11-29 | 2011-08-17 | 宁波安拓实业有限公司 | Process for manufacturing pneumatic inner and outer tooth joint blank |
| CN107775118A (en) * | 2016-08-26 | 2018-03-09 | 河北建支铸造集团有限公司 | Full-automatic Inside and outside screw processing machine |
| CN107816536A (en) * | 2016-09-13 | 2018-03-20 | 丰田自动车株式会社 | Drain plug and its manufacture method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5518679A (en) * | 1995-01-17 | 1996-05-21 | Sta-Rite Industries, Inc. | Method and apparatus for making a component having interior and exterior threads |
| JP2003251432A (en) * | 2002-02-28 | 2003-09-09 | Aputo:Kk | Cap nut, and method for manufacturing the same |
| US20100316466A1 (en) * | 2007-11-16 | 2010-12-16 | Ulrich Hettich | Method for producing a threaded insert with an internal and external thread, and threaded insert |
| CN102152062A (en) * | 2010-11-29 | 2011-08-17 | 宁波安拓实业有限公司 | Process for manufacturing pneumatic inner and outer tooth joint blank |
| CN107775118A (en) * | 2016-08-26 | 2018-03-09 | 河北建支铸造集团有限公司 | Full-automatic Inside and outside screw processing machine |
| CN107816536A (en) * | 2016-09-13 | 2018-03-20 | 丰田自动车株式会社 | Drain plug and its manufacture method |
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