CN110017324A - Supporting shaft for continuous press - Google Patents
Supporting shaft for continuous press Download PDFInfo
- Publication number
- CN110017324A CN110017324A CN201910316480.5A CN201910316480A CN110017324A CN 110017324 A CN110017324 A CN 110017324A CN 201910316480 A CN201910316480 A CN 201910316480A CN 110017324 A CN110017324 A CN 110017324A
- Authority
- CN
- China
- Prior art keywords
- continuous press
- supporting shaft
- mounting portion
- press
- interconnecting piece
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
-
- 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
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
-
- 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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
Abstract
The present invention relates to a kind of supporting shafts for continuous press, including mandrel (1) and connector (2), the mandrel (1) includes mounting portion (101) and interconnecting piece (102), the connector (2) is fixedly set on the mounting portion (101), for the transmission chain link with continuous press；The interconnecting piece (102) is coated with lubrication antifriction coating (3) thereon for being inserted into the inner hole of continuous press roller bar.The present invention can improve the deficiency that existing double Steel-belt Continuous Press supporting shaft stress are concentrated and damaged, and improve the phenomenon that existing supporting shaft largely consumes lubricating oil, and the reliability of equipment can be improved, equipment operation and maintenance cost is reduced, effectively deduction and exemption environmental pollution.
Description
Technical field
The present invention relates to a kind of continuous press fields, the more particularly, to supporting shaft of continuous press.
Background technique
Currently, production line of continuous press is the state-of-the-art production method in wood-based plate field, as the core equipment of production line,
The performance of continuous press directly affects the efficiency and product quality of production line.It is double by the technology development and progress of decades
Steel band type continuous press is gradually acceptable to the market and approves, becomes the equipment of wood-based plate field mainstream the most.
Double Steel-belt Continuous Press have press top, press lower part, and be looped around press top respectively, press lower part is followed
Ring steel band and roller blanket composition.Its central roll blanket is by being uniform-distribution with energy between press top and the heating platen and steel band of press lower part
Enough roller bar compositions continuously moved, the movement of roller bar is driven by driving chain, passes through bearing between roller bar and driving chain
Pin shaft connection, one end of supporting shaft are stuck on driving chain by centralizing spring, and a certain amount of dislocation is allowed to move, another
End is directly inserted in the inner hole at roller bar both ends, and operation is freely rotated and slides, in this way, roller bar by the supporting shaft at both ends with
Scheduled movement clearance is connected on the driving chain of two sides.When during normal production, the roller bar in workspace is responsible for heating platen
On temperature, pressure pass to steel band, and then pass to compacting product slab affected, while the pressure of roller bar compression product slab
Contracting variation, heating platen and steel band frictional force etc. influence, and the gap between roller bar constantly changes, and there are certain stress.It is based on
The connection type of roller bar, chain and supporting shaft, by appropriate movement of the supporting shaft on driving chain and supporting shaft from
The micro flexible deformation of body changes the stress generated with elimination to alleviate the gap between roller bar.In this technology, existing bearing
Pin shaft has the following disadvantages: supporting shaft is overall style, and the one end for being stuck in driving chain and centralizing spring is multi-step
Axis is easy to produce stress and concentrates and supporting shaft fracture or bending occur, influences the stability of equipment；One end of supporting shaft is straight
It patches in the inner hole of roller bar, the inner hole of supporting shaft and roller bar carries out continuous rotation and sliding when operation, in order to avoid branch
It consigns the dry friction or locking of axis and roller bar, which needs ceaselessly to spray high temperature chain greasisng oil, expensive height
Gentle lubricating oil constantly volatilizees, and consumption is very big, influences equipment operation and maintenance cost, and a large amount of lubricating oil gases of volatilization also influence
Environment.
Summary of the invention
It concentrates and damages the purpose of the present invention is to provide a kind of existing double Steel-belt Continuous Press supporting shaft stress of improvement
Bad deficiency, improve the phenomenon that existing supporting shaft largely consumes lubricating oil, improve equipment reliability, reduce equipment use and
Maintenance cost and the supporting shaft for continuous press for effectively reducing or remitting environmental pollution.
To achieve the above object, the present invention provides a kind of supporting shaft for continuous press, including mandrel and connector,
The mandrel includes mounting portion and interconnecting piece, and the connector is fixedly set on the mounting portion, is used for and continuous press
Transmission chain link；The interconnecting piece is coated with lubrication antifriction coating for being inserted into the inner hole of continuous press roller bar thereon.
According to an aspect of the present invention, the connector includes the direction from the end of the mounting portion towards interconnecting piece
The square toes for connecting with the transmission chain chain piece of continuous press that are sequentially arranged are connect for the transmission chain leaf spring with continuous press
Casing and transmission chain chain piece for being clamped continuous press play the internal cutting ferrule of position-limiting action.
According to an aspect of the present invention, the square toes, described sleeve pipe and the internal cutting ferrule pass through hot jacket or freezing
Mode inserts on the mounting portion, and inserting power is 2000N.
According to an aspect of the present invention, the lubrication antifriction coating uses pure metal material nickel or copper clad coefficient of friction
Particle core composite material low and with self-lubricating property；
The particle core composite material includes graphite, molybdenum disulfide and tin bronze.
According to an aspect of the present invention, the particle core composite material is graphite, and the mass ratio of graphite is 20-
30%, granularity is 150-300 mesh, and pine dress is than being 0.7-1g/cm3, bond strength >=10MPa.
According to an aspect of the present invention, the lubrication antifriction coating with a thickness of 0.5-0.8mm, and its outer round surface is thick
Rugosity Ra meets range: 0.4-0.8 μm.
A scheme according to the present invention, the present invention could be used without the optical axis of noticeable steps as mandrel, and and connector
Composite structure is formed using hot jacket or freezing connection, the transition position so as to avoid Step Shaft is easy to produce stress concentration and occurs
Supporting shaft fracture or buckling phenomenon, improve the reliability of equipment
A scheme according to the present invention, supporting pin axis connection portion of the invention, which is coated with, uses hot-spraying technique means
And it is covered on the high-performance self-lubricating anti-friction coating of mandrel surface, so that the connecting portion of supporting shaft and roller bar can be according to operation
Speed height sprinkling minimal amount does not use lubricating oil, reduces equipment operation and maintenance cost, effectively deduction and exemption environmental pollution.
Detailed description of the invention
Fig. 1 is the structure for schematically showing a kind of supporting shaft for continuous press of embodiment according to the present invention
Figure；
Fig. 2 is the installation for schematically showing a kind of supporting shaft for continuous press of embodiment according to the present invention
Schematic diagram；
Fig. 3 is to schematically show that a kind of supporting shaft for continuous press of embodiment according to the present invention is coated with
The mandrel interconnecting piece sectional view of lubrication antifriction coating.
Specific embodiment
It, below will be to embodiment in order to illustrate more clearly of embodiment of the present invention or technical solution in the prior art
Needed in attached drawing be briefly described.It should be evident that the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skills without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
When being described for embodiments of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
" rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", orientation or positional relationship expressed by "outside" are based on phase
Orientation or positional relationship shown in the drawings is closed, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore above-mentioned term cannot
It is interpreted as limitation of the present invention.
The present invention is described in detail with reference to the accompanying drawings and detailed description, embodiment cannot go to live in the household of one's in-laws on getting married one by one herein
It states, but therefore embodiments of the present invention are not defined in following implementation.
Fig. 1 is the structure for schematically showing a kind of supporting shaft for continuous press of embodiment according to the present invention
Figure, as seen from the figure, a kind of supporting shaft for continuous press of embodiment according to the present invention includes mandrel 1 and connector
2, mandrel 1 is the optical axis of not noticeable steps.Mandrel 1 includes mounting portion 101 and interconnecting piece 102, and connector 2 is fixedly set in
On mounting portion 101, for the transmission chain link with continuous press.Interconnecting piece 102 is used to be inserted into the inner hole of continuous press roller bar,
It is coated with lubrication antifriction coating 3 thereon.Connector 2 includes square toes 201, casing 202 and internal cutting ferrule 203, in the present embodiment,
Direction (direction i.e. in figure from left to right) from the end of mounting portion 101 towards interconnecting piece 102 is sequentially arranged square toes 201, set
Pipe 202 and internal cutting ferrule 203.Square toes 201, casing 202 and internal cutting ferrule 203 are column, and are equipped with elongatedness direction and penetrate through
Circular through hole.Wherein 201 cross section outer profile of square toes is rectangle, and lateral surface is additionally provided with the annular groove concentric with through-hole, annular
Close to square toes 201, wherein one end is arranged slot；202 lateral surface of casing is the identical cylindrical surface of diameter；203 lateral surface of internal cutting ferrule is from a left side
End starts to be gradually reduced to substantially central position lateral surface diameter towards right end for the identical cylindrical surface of diameter.Branch of the invention
Support pin shaft during installation, square toes 201, casing 202 and internal cutting ferrule 203 are sheathed on mounting portion 101, and square toes 201 are equipped with annular
One end of slot is installed far from interconnecting piece 102, and the smallest one end of 203 diameter of internal cutting ferrule is installed close to interconnecting piece 102, and casing 202 is pacified
Loaded between the two, and three and mandrel 1 are inserted by way of hot jacket or freezing, and inserting power is 2000N, in this way
Square toes 201, casing 202 and internal cutting ferrule 203, which are realized with mandrel 1, to be fixedly connected, so that support pin shaft of the invention equally may be used
To realize the function of overall style support pin shaft in the prior art.
Fig. 2 is the installation for schematically showing a kind of supporting shaft for continuous press of embodiment according to the present invention
Schematic diagram, since inventive point of the invention is to support pin shaft, continuous press shown in Figure 2 and company in the prior art
Continuous press is identical, mainly includes flat spring 4, chain piece 5 and roller bar 6.It is in conjunction with Fig. 1 and Fig. 2 it is found that according to the present invention for continuous
The square toes 201 and internal cutting ferrule 203 of the supporting shaft of press are fixed on two side chain pieces 5 of the driving chain of continuous press, due to
The cross section outer profile of square toes 201 is rectangle, and shape and the top mounting hole of left side chain piece 5 are adapted, so that support pin shaft
Will not occur that the rotation around 1 longitudinal centre line of mandrel occurs relative to chain piece 5；Internal cutting ferrule 203 possesses diameter from basic centre bit
A part of lateral surface being gradually reduced towards right end is set, supporting pin axis and right side chain piece 5 can be made stuck, avoid fulcrum post
Axis is removed from right side, i.e., internal cutting ferrule 203 can play the position-limiting action to support pin shaft；Casing 202 is located at continuous press
The intermediate flat spring 4 of driving chain is withstood, but ought during normal production, roller bar 6 in workspace be responsible on heating platen temperature,
Pressure passes to steel band, and then passes to compacting product slab affected, while the compression variation of 6 compression product slab of roller bar,
Heating platen and steel band frictional force etc. influence, and the gap between roller bar 6 constantly changes, and can generate certain stress, and flat spring 4 is
Elastic component can make that a certain amount of dislocation is allowed to move between casing 202 and flat spring 4.
More roll shafts are generally arranged between steel band and heating platen and form roller for continuous flat press in the prior art
Blanket.Roll shaft by static heating platen and movement the common rubbing of steel band and rotation and with steel band it is equidirectional move ahead, for guarantee connect
Reforwarding row, roller blanket is also in annular for no reason as steel band.Since the outlet of press, roll shaft is separated with steel band, until weight
Newly return to the entrance of press.In order to be provided with pin shaft in the position that no steel band drives offer driving force, the centre bore of roll shaft,
Pin shaft elasticity is fixed on traction chain, traction chain along chain guide to be moved with the speed that steel band matches, therefore support
Pin shaft needs to bear at work multi-direction continually changing stress, and the supporting shaft of the prior art is usually overall style,
The one end for being stuck in driving chain and centralizing spring is multi-step axis, is easy to produce stress at work and concentrates and supporting shaft occur
Fracture or bending, seriously affect the stability of equipment.And one end that support pin shaft of the invention is stuck in chain 5 is Model For The Bush-axle Type Parts
(i.e. square toes 201, casing 202 and internal cutting ferrule 203) and optical axis (i.e. mandrel 1) insert the combination knot to be formed by hot jacket or freezing
Structure, the mandrel for avoiding support pin shaft in the prior art are easy to produce stress concentration in transition position and are occurred using Step Shaft
Supporting shaft fracture or buckling phenomenon, to improve the reliability of equipment.
Fig. 3 is to schematically show that a kind of supporting shaft for continuous press of embodiment according to the present invention is coated with
The mandrel interconnecting piece sectional view of lubrication antifriction coating, in the present embodiment, the bearing according to the present invention for continuous press
The lubrication antifriction coating 3 of pin shaft with a thickness of 0.5-0.8mm, and its outer round surface roughness Ra meets range: 0.4-0.8 μm.
Low using the pure metal material nickel or copper clad coefficient of friction and particle core with self-lubricating property of lubrication antifriction coating 3 is multiple
Condensation material, such as graphite, molybdenum disulfide and tin bronze solid lubricant, preferably graphite, and the mass ratio of graphite is 20-
30%, granularity is 150-300 mesh, and pine dress is than being 0.7-1g/cm3.Clad metal provides enough bond strengths, in conjunction with strong
Degree >=10MPa.Solid lubricant forms the conversion film of one layer of low-friction coefficient on the surface of supporting shaft, has good antifriction
Lubricating action.Supporting shaft according to the present invention for continuous press uses hot-spraying technique means lubrication antifriction coating
3 coating material is equably sprayed on 102 surface of interconnecting piece of mandrel 1, hot-spraying technique means can using plasma spraying,
Or detonation flame spraying or flame spraying method, preferably plasma thermal sprayed method.
In conjunction with Fig. 1, Fig. 2 and Fig. 3 it is found that support pin shaft of the invention during installation, is directly coated with lubrication antifriction painting
The interconnecting piece 102 of layer 3 is inserted in the inner hole at 6 both ends of roller bar, and can be freely rotated and be slided.
Supporting shaft in the prior art on the basis of not having the structure of supporting shaft of the invention, insert by supporting shaft
Enter one end in the inner hole of roller bar 6 also not having similar to lubrication antifriction coating 3 of the invention, at runtime supporting shaft and roller
The inner hole of bar 6 carries out continuous rotation and sliding, it is easy to dry friction or locking occurs, therefore it is high to usually require ceaselessly sprinkling
Temperature is with chain greasisng oil come lubrication friction position, and expensive high temperature grease constantly volatilizees, and consumption is very big, influences equipment
A large amount of lubricating oil gases of operation and maintenance cost, volatilization also pollute the environment.And support pin shaft of the invention is in insertion roller bar 6
It is coated with lubrication antifriction coating 3 on interconnecting piece 102 in inner hole, therefore at work, it is only necessary to spray according to speed of service height
Minimal amount does not spray lubricating oil, compared to the prior art for, greatly reduce equipment operation and maintenance cost, and effectively
Reduce or remit environmental pollution.
Above content is only enumerating for a specific embodiment of the invention, for the equipment and knot of wherein not detailed description
Structure, it should be understood that the existing common apparatus in this field and universal method is taken to be practiced.
The foregoing is merely an embodiment of the invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of supporting shaft for continuous press, which is characterized in that including mandrel (1) and connector (2), the mandrel
It (1) include mounting portion (101) and interconnecting piece (102), the connector (2) is fixedly set on the mounting portion (101), uses
In the transmission chain link with continuous press；The interconnecting piece (102) coats thereon for being inserted into the inner hole of continuous press roller bar
There are lubrication antifriction coating (3).
2. the supporting shaft according to claim 1 for continuous press, which is characterized in that the connector (2) includes
The transmission chain being used for continuous press that direction from the end of the mounting portion (101) towards interconnecting piece (102) is sequentially arranged
The square toes (201) of chain piece connection, the casing (202) connect for the transmission chain leaf spring with continuous press and for being clamped continuously
The transmission chain chain piece of press plays the internal cutting ferrule (203) of position-limiting action.
3. the supporting shaft according to claim 1 for continuous press, which is characterized in that the square toes (201), described
Casing (202) and the internal cutting ferrule (203) are inserted by way of hot jacket or freezing on the mounting portion (101), and
Inserting power is 2000N.
4. the supporting shaft according to claim 1 for continuous press, which is characterized in that the lubrication antifriction coating
(3) particle core composite material low using pure metal material nickel or copper clad coefficient of friction and with self-lubricating property；
The particle core composite material includes graphite, molybdenum disulfide and tin bronze.
5. the supporting shaft according to claim 4 for continuous press, which is characterized in that the particle core composite wood
Material is graphite, and the mass ratio of graphite is 20-30%, and granularity is 150-300 mesh, and pine dress is than being 0.7-1g/cm3, in conjunction with
Intensity >=10MPa.
6. the supporting shaft according to claim 1 for continuous press, which is characterized in that the lubrication antifriction coating
(3) with a thickness of 0.5-0.8mm, and its outer round surface roughness Ra meets range: 0.4-0.8 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316480.5A CN110017324A (en) | 2019-04-19 | 2019-04-19 | Supporting shaft for continuous press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316480.5A CN110017324A (en) | 2019-04-19 | 2019-04-19 | Supporting shaft for continuous press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110017324A true CN110017324A (en) | 2019-07-16 |
Family
ID=67191966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910316480.5A Pending CN110017324A (en) | 2019-04-19 | 2019-04-19 | Supporting shaft for continuous press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110017324A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4997285A (en) * | 1988-09-17 | 1991-03-05 | Gebruder Lodige Maschinenbaugesellschaft Mbh | Machine for handling pourable, pasty, and/or fluid materials with a built-in disintegrator |
| CN1256679A (en) * | 1998-03-16 | 2000-06-14 | 约赫·温克尔霍弗和泽内两合公司 | Link chain |
| CN102534454A (en) * | 2010-12-24 | 2012-07-04 | 北京有色金属研究总院 | Thermal spraying powder for preparing self-lubricating coating and preparation method of thermal spraying powder |
| CN103062327A (en) * | 2012-12-27 | 2013-04-24 | 中国福马机械集团有限公司 | Pin shaft assembly and rolling bar chain with same |
-
2019
- 2019-04-19 CN CN201910316480.5A patent/CN110017324A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4997285A (en) * | 1988-09-17 | 1991-03-05 | Gebruder Lodige Maschinenbaugesellschaft Mbh | Machine for handling pourable, pasty, and/or fluid materials with a built-in disintegrator |
| CN1256679A (en) * | 1998-03-16 | 2000-06-14 | 约赫·温克尔霍弗和泽内两合公司 | Link chain |
| CN102534454A (en) * | 2010-12-24 | 2012-07-04 | 北京有色金属研究总院 | Thermal spraying powder for preparing self-lubricating coating and preparation method of thermal spraying powder |
| CN103062327A (en) * | 2012-12-27 | 2013-04-24 | 中国福马机械集团有限公司 | Pin shaft assembly and rolling bar chain with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190716 |