CN106015327B - A kind of board-like guide rail of straight line and its processing technology - Google Patents
A kind of board-like guide rail of straight line and its processing technology Download PDFInfo
- Publication number
- CN106015327B CN106015327B CN201610504734.2A CN201610504734A CN106015327B CN 106015327 B CN106015327 B CN 106015327B CN 201610504734 A CN201610504734 A CN 201610504734A CN 106015327 B CN106015327 B CN 106015327B
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- CN
- China
- Prior art keywords
- track groove
- board
- main body
- sliding block
- straight line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
Abstract
The invention belongs to precision instrument ancillary equipment technologies, more particularly to a kind of board-like guide rail of straight line, including main body (2), sliding block (1) and steel ball (3), main body (2) is strip, U-shaped profile, the inner wall of main body (2) two sides is arranged with the first track groove (11), first track groove (11) is arc groove, the two side of sliding block (1) is equipped with the second track groove (5) corresponding with the first track groove (11), multiple steel balls (3) are equipped between first track groove (11) and the second track groove (5), when sliding block (1) is for linear motion relative to main body (2), steel ball (3) is movable is matched between the first track groove (11) and the second track groove (5).The invention also discloses the quenching mediums in the processing technology of the board-like guide rail of straight line and quenching technical.The present invention improves the stability of the compression strength and straight-line guidance of the board-like guide rail of straight line, and processing technology is simple, and quenching agent prescription is efficient.
Description
Technical field
The invention belongs to precision instrument ancillary equipment technologies, and in particular to a kind of board-like guide rail of straight line and its processing work
Skill.
Background technology
The board-like guide rail of straight line is by stainless steel plate by sliding dress made of precision form, heat treatment and grinding
It sets.Compared with the traditional Miniature ball bearing used in precision machinery etc., the design cost of the board-like guide rail of straight line is relatively low, assembler
When relatively save, can realize high-precision straight-line guidance, the v-depression that structure is formed for steel ball between outer siding track and inner slide
Between roll, to make system slide.Steel ball rolls in v-depression, and contact of the steel ball with v-depression is that line contacts, steel ball
The force ratio of v-depression is relatively concentrated, the mechanical breakdowns such as steel ball abrasion, groove variations are easily led to, to make straight line is board-like to lead
The straight-line guidance precision of rail reduces.
Invention content
For problems of the prior art, the present invention provides that a kind of straight line with high-precision straight-line guidance is board-like to lead
Rail and its processing technology.
In order to reach foregoing invention purpose, the present invention uses following technical scheme：
A kind of board-like guide rail of straight line, including main body (2), sliding block (1) and steel ball (3), the main body (2) is strip, horizontal
Section takes the shape of the letter U, and the inner wall of main body (2) two sides is arranged with the first track groove (11), and first track groove (11) is
Arc groove, the two side of the sliding block (1) are equipped with the second track groove (5) corresponding with the first track groove (11), and described first
Multiple steel balls (3) are equipped between track groove (11) and the second track groove (5), when the sliding block (1) is relative to the main body
(2) when for linear motion, the steel ball (3) is movable to be matched between first track groove (11) and the second track groove (5).
Further, the board-like guide rail of the straight line further includes steel ball shell (4), and the steel ball shell (4) is installed on described
The lower section of sliding block (1), the steel ball shell (4) is interior to form raceway (6), and the raceway (6) is communicated in second track groove
(5), the steel ball (3) circulating rolling between the raceway (6) and the second track groove (5).
Further, through-hole (7) is offered below the raceway (6) to be in communication with the outside.
Further, there are two dial gauge (8,9) and a standard rulers (10) for installation on the board-like guide rail of the straight line.
Further, the inner wall of the main body (2) opens up third track groove (12) along the glide direction of sliding block (1), accordingly
The lower face of sliding block (1) open up the 4th track groove, several balls (13) are equipped between third track groove and the 4th track groove.
The processing technology of the board-like guide rail of straight line of the present invention, specific steps include cold drawing, drilling, quenching, flour milling and assembling.
Further, the quenching Step is using alkaline quenching medium.
Further, the quenching medium is formulated by the raw material of following weight ratio：Sodium lactate 8-12%, aluctyl 4-
7%, sodium hydroxide 5-8%, jojoba oil 0.04-0.07%, cation guar gum 0.1-0.18%, surplus are water.
Compared with prior art, the present invention advantageous effect is：
(1) v-depression improve in structure, using arc groove, so that the contact area of groove and steel ball is increased, keep away
Exempt from stress concentration, improves the stability of the compression strength and straight-line guidance of the board-like guide rail of straight line.
(2) Instrument for Straightness is set on the board-like guide rail of straight line, monitors the walking straightness of the board-like guide rail of straight line in real time,
Ensure the accuracy of operation.
(3) quenching agent prescription of the invention is rationally efficient, used jojoba oil, aluctyl and cation guar gum
Quenching medium can inhibit quenching part surface oxidation, and high-temperature region cooling velocity is slower than water, and sub-cooled speed is faster than water, quenching distortion
It is small, consistency and board-like the linear guide with high hardness can be produced.
Description of the drawings
Fig. 1 is the stereogram of the board-like guide rail of straight line of the embodiment of the present invention 1.
Fig. 2 is the sectional view of the board-like guide rail of straight line of the embodiment of the present invention 1.
Fig. 3 is the sectional view of the board-like guide rail of straight line of the prior art.
Fig. 4 be the embodiment of the present invention 1 the board-like guide rail of straight line in raceway through-hole schematic diagram.
Fig. 5 is the schematic diagram that dial gauge is connected on the board-like guide rail of straight line of the embodiment of the present invention 1.
Fig. 6 is the structural schematic diagram of the board-like guide rail inner wall of straight line of the embodiment of the present invention 1.
Specific implementation mode
Explanation is further described to technical scheme of the present invention below by specific embodiment.
Embodiment 1：
As shown in figures 1 to 6, the board-like guide rail of the straight line of the present embodiment, using superior alloy steel precise cold drawing shape extrusion
At, including main body 2, sliding block 1 and steel ball 3, main body 2 are strip, are integrally formed using cold-press process, cross section is U-shaped, main body
The inner wall of 2 left and right side offers symmetrical first track groove 11, and the section of the first track groove 11 is arc-shaped.It is opened on sliding block 1
Equipped with second track groove 5 corresponding with the first track groove 11, the lower section of sliding block 1 is equipped with steel ball shell 4, shape in steel ball shell 4
At raceway 6, raceway 6 is connected to the second track groove 5 and is formed the circulation canal of steel ball 3, steel ball 3 protrude from the second track groove 5 with
First track groove 11 rolls cooperation, since the section of the first track groove 11 is arc, when sliding block 1 slides on the body 2, and steel ball 3
Increase with the contact area of the first track groove 11, stress distribution is uniform, increases the compression strength of the board-like guide rail of straight line, improves
The stability of the board-like guide rail of straight line.The compression strength of the linear guide in order to further increase is opened up in the centre of the inner wall of main body 2
There is the semicircle third track groove 12 along 1 glide direction of sliding block, arc is offered on the corresponding position of bottom surface of steel ball shell 4
4th track groove of shape, is provided with ball 13 between third track groove 12 and the 4th track groove, ball 13 uses rigid material system
.Between 2 inner wall of steel ball shell 4 and main body be arranged ball 13, can both improve sliding block 1 slided relative to main body 2 it is smooth
Degree, and the compression strength of board-like the linear guide can be increased.
Long strip through hole 7 is formed in the lower section of raceway 6, the width of long strip through hole 7 is the 1/3 of diameter of the steel ball, both can be by steel
The conduct heat away that pearl generates in rolling process, and can be by the dust or contaminant exclusion on steel ball or in circulation canal.
There are two dial gauges for installation on the board-like guide rail of straight line, are reference with standard ruler 10, a dial gauge 8 is for measuring
Then the displacement of vertical direction calculates sliding block in the walking straightness of vertical direction, another dial gauge 9 is for measuring level
Then the displacement in direction calculates sliding block walking straightness in the horizontal direction, monitor the stability of the board-like guide rail of straight line in real time.
The processing process of the board-like guide rail of straight line of the present embodiment is：Rail body is formed using cold-drawing process recessed
Slot, substitutes existing hot rolling and die forging, and the groove surfaces of formation are smooth, precision is high, and improve processing efficiency；The two of groove
Drilling is carried out on side wall forms track groove；Drilling forms circulation canal on steel ball shell；Mounting hole is bored in main body and sliding block；
Quenching treatment, flour milling, assembling obtain the board-like guide rail of straight line.
The quenching medium used in the quenching Step of the machining process of the board-like guide rail of straight line of the present embodiment, including it is following
The raw material of weight percent：Such as sodium lactate 8%, aluctyl 7%, sodium hydroxide 8%, jojoba oil 0.05%, cationic Guar
Glue 0.15%, surplus are water.Using the interaction of coordinate bond between aluctyl and jojoba oil, cation guar gum not only rises
To the effect of dispersion, moreover it is possible to carry out exchanging for cation with sodium lactate, forming deposition in workpiece surface forms film, inhibits quenching
Part surface oxidation, high-temperature region cooling velocity is slower than water, and sub-cooled speed is faster than water, and quenching distortion is small, can produce consistency
With board-like the linear guide with high hardness.The preparation method of quenching medium：Sodium lactate and sodium hydroxide are first configured to aqueous solution, not
Disconnected to be added with stirring aluctyl, heating water bath sequentially adds jojoba oil and cation guar gum to 60 DEG C, stirs evenly i.e.
Can,.
Embodiment 2：
The present embodiment difference from example 1 is that：The quenching medium that quenching uses, including following weight percent
Raw material：Such as sodium lactate 12%, aluctyl 4%, sodium hydroxide 6%, jojoba oil 0.07%, cation guar gum 0.1%, surplus
For water.The preparation method of quenching medium：Sodium lactate and sodium hydroxide are first configured to aqueous solution, lactic acid is added under constant stirring
Aluminium, heating water bath sequentially add jojoba oil and cation guar gum to 70 DEG C, stir evenly.
Embodiment 3：
The present embodiment difference from example 1 is that：The quenching medium that quenching uses, including following weight percent
Raw material：Such as sodium lactate 10%, aluctyl 5%, sodium hydroxide 5%, jojoba oil 0.04%, cation guar gum 0.18% is remaining
Amount is water.The preparation method of quenching medium：Sodium lactate and sodium hydroxide are first configured to aqueous solution, lactic acid is added under constant stirring
Aluminium, heating water bath sequentially add jojoba oil and cation guar gum to 65 DEG C, stir evenly.
Embodiment 4：
The present embodiment difference from example 1 is that：The quenching medium that quenching uses, including following weight percent
Raw material：Such as sodium lactate 9%, aluctyl 5.5%, sodium hydroxide 6.5%, jojoba oil 0.06%, cation guar gum 0.12%,
Surplus is water.The preparation method of quenching medium：Sodium lactate and sodium hydroxide are first configured to aqueous solution, breast is added under constant stirring
Sour aluminium, heating water bath sequentially add jojoba oil and cation guar gum to 48 DEG C, stir evenly.
Embodiment 5：
The present embodiment difference from example 1 is that：The quenching medium that quenching uses, including following weight percent
Raw material：Such as sodium lactate 8.3%, aluctyl 6.2%, sodium hydroxide 7.4%, jojoba oil 0.045%, cation guar gum
0.16%, surplus is water.The preparation method of quenching medium：Sodium lactate and sodium hydroxide are first configured to aqueous solution, are being stirred continuously
Lower addition aluctyl, heating water bath sequentially add jojoba oil and cation guar gum to 55 DEG C, stir evenly.
The preferred embodiment of the present invention and principle are described in detail above, to those skilled in the art
Speech, the thought provided according to the present invention will change in specific implementation mode, and these changes also should be regarded as the present invention
Protection domain.
Claims (1)
1. a kind of processing technology of the board-like guide rail of straight line, the board-like guide rail of straight line includes main body (2), sliding block (1) and steel ball
(3), the main body (2) is strip, and the inner wall of U-shaped profile, main body (2) two sides is arranged with the first track groove
(11), first track groove (11) is arc groove, and the two side of the sliding block (1) is equipped with corresponding with the first track groove (11)
The second track groove (5), between first track groove (11) and the second track groove (5) be equipped with multiple steel balls (3), work as institute
State sliding block (1) it is for linear motion relative to the main body (2) when, the steel ball (3) is movable to be matched with first track groove
(11) between the second track groove (5)；The inner wall of the main body (2) opens up third track groove along the glide direction of sliding block (1)
(12), the lower face of corresponding sliding block (1) opens up the 4th track groove, if being equipped with dry milling between third track groove and the 4th track groove
Pearl (13), which is characterized in that the specific steps of the processing technology include cold drawing, drilling, quenching, flour milling and assembling；It is described to quench
Fiery step is using alkaline quenching medium；The quenching medium is formulated by the raw material of following weight ratio：Sodium lactate 8-12%, aluctyl
4-7%, sodium hydroxide 5-8%, jojoba oil 0.04-0.07%, cation guar gum 0.1-0.18%, surplus are water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504734.2A CN106015327B (en) | 2016-06-28 | 2016-06-28 | A kind of board-like guide rail of straight line and its processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504734.2A CN106015327B (en) | 2016-06-28 | 2016-06-28 | A kind of board-like guide rail of straight line and its processing technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106015327A CN106015327A (en) | 2016-10-12 |
| CN106015327B true CN106015327B (en) | 2018-09-04 |
Family
ID=57105660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610504734.2A Active CN106015327B (en) | 2016-06-28 | 2016-06-28 | A kind of board-like guide rail of straight line and its processing technology |
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| Country | Link |
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| CN (1) | CN106015327B (en) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2872827B2 (en) * | 1991-05-08 | 1999-03-24 | 日本トムソン株式会社 | Thin linear motion rolling guide unit |
| JPH0544726A (en) * | 1991-08-13 | 1993-02-23 | Nippon Thompson Co Ltd | Rectilinear motion guide sliding unit having vibrationproofing property |
| JPH06147224A (en) * | 1992-11-04 | 1994-05-27 | Nippon Seiko Kk | Miniature linear guide device and its manufacture |
| JP2001116100A (en) * | 1999-10-18 | 2001-04-27 | Smc Corp | Actuator |
| JP2002242930A (en) * | 2001-02-16 | 2002-08-28 | Okuma Corp | Guide device |
| US7216559B2 (en) * | 2002-03-04 | 2007-05-15 | Hiwin Technologies Corp. | Guide actuator with high radial direction load capacity |
| CN1667135A (en) * | 2005-03-30 | 2005-09-14 | 中原工学院 | Quantized water quenching method for heat treatment of steel |
| CN201203394Y (en) * | 2008-06-12 | 2009-03-04 | 刘化交 | High precision detection scale for mechanical mounting |
| CN103161825A (en) * | 2013-02-22 | 2013-06-19 | 区文波 | Air-cooled local-hardened miniature guide rail and manufacturing method thereof |
| CN104500563A (en) * | 2014-11-27 | 2015-04-08 | 常州矩阵精密机械有限公司 | Spliced guide rail |
| CN204900531U (en) * | 2015-08-03 | 2015-12-23 | 上银科技股份有限公司 | Modular orbital linear module |
| CN205689601U (en) * | 2016-06-28 | 2016-11-16 | 嘉兴海菱达精密传动科技有限公司 | A kind of board-like guide rail of straight line |
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2016
- 2016-06-28 CN CN201610504734.2A patent/CN106015327B/en active Active
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| Publication number | Publication date |
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| CN106015327A (en) | 2016-10-12 |
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