CN109027074A - U-shaped spring and preparation method thereof in a kind of numerical control cutting machine transmission mechanism - Google Patents
U-shaped spring and preparation method thereof in a kind of numerical control cutting machine transmission mechanism Download PDFInfo
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- CN109027074A CN109027074A CN201810884992.7A CN201810884992A CN109027074A CN 109027074 A CN109027074 A CN 109027074A CN 201810884992 A CN201810884992 A CN 201810884992A CN 109027074 A CN109027074 A CN 109027074A
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- China
- Prior art keywords
- plate
- spring
- shaped spring
- cutting machine
- transmission mechanism
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Classifications
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
Abstract
The invention discloses U-shaped springs in a kind of numerical control cutting machine transmission mechanism and preparation method thereof, it is characterized in that, the method for preparing the U-shaped spring includes: round steel saw material, forging slab, plane mill processing, bending and forming, drilling processing, eight heat treatment, pressure experiment and bead steps；U-shaped spring, the spring are U-shaped structure made of bent plate, and plate thickness is 25 ~ 27mm, and the distance between two sides plate is 4 ~ 6 times of plate thickness.U-shaped spring of the invention, meets the requirement of general occasion, is especially suitable for the requirement of special occasions；The preparation method of the U-shaped spring is simply convenient to carry out, and spring high comprehensive performance is made, and service performance and service life are excellent, is suitble to industrialized production.
Description
Technical field
The present invention relates to numerical control cutting machine equipment and technologies, more particularly to U-shaped bullet in a kind of numerical control cutting machine transmission mechanism
Spring and preparation method thereof.
Background technique
Currently, since the moving beam on numerical control cutting machine is there are straightness error, the rack gear that is mounted on moving beam
It is rigid meshing relation with being mounted between the gear on motor output shaft, and back lash between the two cannot be adjusted, and cut
Easily occur the problems such as unstable walking and vibration when cutting, influences cutting accuracy and cut quality；Motor part is typically provided simultaneously
Spring when cutting, under the pulling force effect of spring, realizes the gapless between motor and the rotation and wheel and rack of gear
Engagement.
Currently, existing bend-plate spring is mostly arc in the market, bending degree is smaller, and shape can not meet requirement,
Especially with a thickness of the bend-plate spring of 25mm or more, when curvature reaches U-shaped, the distance between two plates are lower than the 6 of plate thickness
Times when circular arc portion be easy to produce crackle cause stress concentration can not meet requirement.
Summary of the invention
The invention mainly solves the technical problem of providing U-shaped spring and its preparations in a kind of numerical control cutting machine transmission mechanism
Method has good fatigue durability by the spring that this is prepared, is able to bear bigger pulling force, and the service life is longer,
The application easy to spread of preparation method simple process.
In order to solve the above technical problems, one technical scheme adopted by the invention is that:
The preparation method of U-shaped spring in a kind of numerical control cutting machine transmission mechanism, it is described method includes the following steps: a) round steel is sawed
Material: the finish rolling round steel that material is 60Si2MnA is selected to determine round steel saw material size according to the size of bend-plate spring；B) slab is forged: forging
It is flat for making；C) six faces plane mill plane mill processing: is carried out to blank；D) bending and forming: plate is heated to after 850 DEG C carry out again
Bending；E) drilling processing: carrying out drilling finishing to the semi-finished product after bending using frock clamp, makes the corresponding peace of two sides plate
It is coaxial to fill hole；F) it is heat-treated: medium annealing, quenching, tempering；G) pressure experiment: pressure testing is carried out to bend-plate spring, makes two sides
Plate generates relative displacement, without residual deformation after discharge degree；H) bead: bead, oil surface.
In a preferred embodiment of the present invention, described that six faces plane mill c) is carried out to blank, guarantee the surface light of big plane
Cleanliness reaches Rz3.2um.
In a preferred embodiment of the present invention, the d) bending and forming, bending direction are vertical with the rolling direction of plate.
In a preferred embodiment of the present invention, described f) to be heat-treated: progress medium annealing, temperature are controlled 750 first
~800 DEG C, the time controlled at 12~14 hours, was then quenched, by temperature control at 870 ± 5 DEG C, the retention time 35
Bend-plate spring is placed in coolant liquid after~45 minutes, finally carries out tempering, temperature control is at 440 ± 5 DEG C, the time 3
Hour.
U-shaped spring in a kind of numerical control cutting machine transmission mechanism, including the spring are U-shaped structure made of bent plate, plate thickness
For 25~27mm, the distance between two sides plate is 4~6 times of plate thickness.
In a preferred embodiment of the present invention, the axis of the two sides plate arcuately plate is symmetrically extended to two sides, shape
At boss.
In a preferred embodiment of the present invention, mounting hole is set on the two sides plate.
The beneficial effects of the present invention are: U-shaped spring and preparation method thereof in a kind of numerical control cutting machine transmission mechanism of the present invention,
Structure is simple, and the thickness of U-shaped spring is more than 25mm, and bending degree is big, and elastic force is big, not only meet general occasion application in particular,
It is suitble to certain application of special occasions, is easy to carry out industrialized production.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the structural schematic diagram of U-shaped spring in a kind of numerical control cutting machine transmission mechanism of the present invention；
Fig. 2 is the right view of U-shaped spring in a kind of numerical control cutting machine transmission mechanism of the present invention.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The embodiment of the present invention includes:
U-shaped spring and preparation method thereof in a kind of numerical control cutting machine transmission mechanism, spring of the present invention are U-shaped knot made of bent plate
The axis of structure, the two sides plate 3 of the bend-plate spring arcuately plate 1 is symmetrically extended to two sides, forms boss 2, bend-plate spring
Two sides plate is equipped with mounting hole, and plate corresponding mounting hole in two sides is coaxial.
Embodiment 1:
Plate thickness is 27mm, the U-bend flat spring that the distance between two sides plate is 4 times of plate thickness, U-shaped spring two sides plate difference
Equipped with 7 mounting holes, corresponding mounting hole is coaxial, the processing method of the U-shaped spring are as follows:
A) round steel saw material, selecting material is the finish rolling round steel that 60Si2MnA diameter is 230mm, and intercepted length is 650 ± 5mm round steel
Section；
B) slab is forged, flat periphery is forged to and reserves machining allowance greater than 10mm；
C) plane mill processing carries out six faces plane mill to blank, guarantees that the surface smoothness of two big plane reaches Rz3.2um；
Plate is heated to 850 DEG C and then carries out bending, keeps bending direction vertical with the rolling direction of plate by d) bending and forming；
E) drilling processing carries out drilling finishing to the semi-finished product after bending using frock clamp, makes the corresponding peace of two sides plate
It is coaxial to fill hole；
F) be heat-treated: progress medium annealing first, at 750 DEG C, the time was controlled at 12~14 hours for temperature control, was then quenched
Bend-plate spring is placed in coolant liquid by fire processing by temperature control after 870 ± 5 DEG C, 35~45 minutes retention times, most laggard
Row tempering, at 440 ± 5 DEG C, the time is 3 hours for temperature control；
G) pressure experiment carries out pressure testing to bend-plate spring, two sides plate is made to generate relative displacement, without remnants after discharge degree
Deformation；
H) bead, oil surface.
By trying out, meet the requirements.
Embodiment 2:
Plate thickness is 26mm, the U-bend flat spring that the distance between two sides plate is 5 times of plate thickness, U-shaped spring two sides plate difference
Equipped with 7 mounting holes, corresponding mounting hole is coaxial, the processing method of the U-shaped spring are as follows:
A) round steel saw material, selecting material is the finish rolling round steel that 60Si2MnA diameter is 220mm, and intercepted length is 600 ± 5mm round steel
Section；
B) slab is forged, flat periphery is forged to and reserves machining allowance greater than 10mm；
C) plane mill processing carries out six faces plane mill to blank, guarantees that the surface smoothness of two big plane reaches Rz3.2um；
Plate is heated to 850 DEG C and then carries out bending, keeps bending direction vertical with the rolling direction of plate by d) bending and forming；
E) drilling processing carries out drilling finishing to the semi-finished product after bending using frock clamp, makes the corresponding peace of two sides plate
It is coaxial to fill hole；
F) be heat-treated: progress medium annealing first, at 800 DEG C, the time was controlled at 12~14 hours for temperature control, was then quenched
Bend-plate spring is placed in coolant liquid by fire processing by temperature control after 870 ± 5 DEG C, 35~45 minutes retention times, most laggard
Row tempering, at 440 ± 5 DEG C, the time is 3 hours for temperature control；
G) pressure experiment carries out pressure testing to bend-plate spring, two sides plate is made to generate relative displacement, without remnants after discharge degree
Deformation；
H) bead, oil surface.
By trying out, meet the requirements.
Embodiment 3:
Plate thickness is 25mm, the U-bend flat spring that the distance between two sides plate is 6 times of plate thickness, U-shaped spring two sides plate difference
Equipped with 7 mounting holes, corresponding mounting hole is coaxial, the processing method of the U-shaped spring are as follows:
A) round steel saw material, selecting material is the finish rolling round steel that 60Si2MnA diameter is 210mm, and intercepted length is 620 ± 5mm round steel
Section；
B) slab is forged, flat periphery is forged to and reserves machining allowance greater than 10mm；
C) plane mill processing carries out six faces plane mill to blank, guarantees that the surface smoothness of two big plane reaches Rz3.2um；
Plate is heated to 850 DEG C and then carries out bending, keeps bending direction vertical with the rolling direction of plate by d) bending and forming；
E) drilling processing carries out drilling finishing to the semi-finished product after bending using frock clamp, makes the corresponding peace of two sides plate
It is coaxial to fill hole；
F) be heat-treated: progress medium annealing first, at 780 DEG C, the time was controlled at 12~14 hours for temperature control, was then quenched
Bend-plate spring is placed in coolant liquid by fire processing by temperature control after 870 ± 5 DEG C, 35~45 minutes retention times, most laggard
Row tempering, at 440 ± 5 DEG C, the time is 3 hours for temperature control；
G) pressure experiment carries out pressure testing to bend-plate spring, two sides plate is made to generate relative displacement, without remnants after discharge degree
Deformation；
H) bead, oil surface.
By trying out, meet the requirements.
The beneficial effect of U-shaped spring and preparation method thereof is in a kind of numerical control cutting machine transmission mechanism of the present invention: the present invention
U-shaped spring, meet the requirement of general occasion, be especially suitable for special occasions requirement；The preparation side of the U-shaped spring
Method is simply convenient to carry out, and spring high comprehensive performance is made, and service performance and service life are excellent, is suitble to industrialized production.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (7)
1. the preparation method of U-shaped spring in a kind of numerical control cutting machine transmission mechanism, it is characterised in that: described this method includes following
Step: a) round steel saw material: the finish rolling round steel that material is 60Si2MnA is selected to determine round steel saw material ruler according to the size of bend-plate spring
It is very little；B) it forges slab: being forged to flat；C) six faces plane mill plane mill processing: is carried out to blank；D) bending and forming: plate is heated
Bending is carried out again after to 850 DEG C；E) drilling processing: drilling finishing is carried out to the semi-finished product after bending using frock clamp, is made
The correspondence mounting hole of two sides plate is coaxial；F) it is heat-treated: medium annealing, quenching, tempering；G) pressure experiment: to bend-plate spring into
Row pressure testing makes two sides plate generate relative displacement, without residual deformation after discharge degree；H) bead: bead, table
Face oiling.
2. the preparation method of U-shaped spring, feature exist in a kind of numerical control cutting machine transmission mechanism according to claim 1
In: it is described c) to six faces of blank progress plane mill, guarantee that the surface smoothness of big plane reaches Rz3.2um.
3. the preparation method of U-shaped spring, feature exist in a kind of numerical control cutting machine transmission mechanism according to claim 1
In: the d) bending and forming, bending direction are vertical with the rolling direction of plate.
4. the preparation method of U-shaped spring, feature exist in a kind of numerical control cutting machine transmission mechanism according to claim 1
In: the f) heat treatment: progress medium annealing first, at 750~800 DEG C, the time is controlled at 12~14 hours, so for temperature control
After be quenched, bend-plate spring after 870 ± 5 DEG C, 35~45 minutes retention times is placed in coolant liquid by temperature control
In, tempering is finally carried out, at 440 ± 5 DEG C, the time is 3 hours for temperature control.
5. U-shaped spring in a kind of numerical control cutting machine transmission mechanism, it is characterised in that: including the spring be bent plate made of U-shaped
Structure, plate thickness are 25~27mm, and the distance between two sides plate is 4~6 times of plate thickness.
6. U-shaped spring in a kind of numerical control cutting machine transmission mechanism according to claim 5, it is characterised in that: the two sides
The axis of plate arcuately plate is symmetrically extended to two sides, forms boss.
7. U-shaped spring in a kind of numerical control cutting machine transmission mechanism according to claim 5, it is characterised in that: described two
Mounting hole is set on the plate of side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810884992.7A CN109027074A (en) | 2018-08-06 | 2018-08-06 | U-shaped spring and preparation method thereof in a kind of numerical control cutting machine transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810884992.7A CN109027074A (en) | 2018-08-06 | 2018-08-06 | U-shaped spring and preparation method thereof in a kind of numerical control cutting machine transmission mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN109027074A true CN109027074A (en) | 2018-12-18 |
Family
ID=64648918
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810884992.7A Pending CN109027074A (en) | 2018-08-06 | 2018-08-06 | U-shaped spring and preparation method thereof in a kind of numerical control cutting machine transmission mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952192A (en) * | 2022-06-06 | 2022-08-30 | 广州力丰减振器有限公司 | Machining process for damping spring shock absorber shell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825150A (en) * | 2010-03-30 | 2010-09-08 | 扬州市迅达碟形弹簧厂 | Bend-plate spring and making method thereof |
| CN201679891U (en) * | 2010-03-30 | 2010-12-22 | 扬州市迅达碟形弹簧厂 | Curved plate spring |
| CN103586652A (en) * | 2013-10-15 | 2014-02-19 | 昆山宏凌电子有限公司 | Process for machining male and female dies |
| CN104175128A (en) * | 2014-08-29 | 2014-12-03 | 无锡柯马机械有限公司 | Die machining process |
-
2018
- 2018-08-06 CN CN201810884992.7A patent/CN109027074A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825150A (en) * | 2010-03-30 | 2010-09-08 | 扬州市迅达碟形弹簧厂 | Bend-plate spring and making method thereof |
| CN201679891U (en) * | 2010-03-30 | 2010-12-22 | 扬州市迅达碟形弹簧厂 | Curved plate spring |
| CN103586652A (en) * | 2013-10-15 | 2014-02-19 | 昆山宏凌电子有限公司 | Process for machining male and female dies |
| CN104175128A (en) * | 2014-08-29 | 2014-12-03 | 无锡柯马机械有限公司 | Die machining process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952192A (en) * | 2022-06-06 | 2022-08-30 | 广州力丰减振器有限公司 | Machining process for damping spring shock absorber shell |
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Application publication date: 20181218 |