CN108360569A - A kind of multi-layer combined Bulk plastic inspection well chamber and preparation method thereof - Google Patents
A kind of multi-layer combined Bulk plastic inspection well chamber and preparation method thereof Download PDFInfo
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- CN108360569A CN108360569A CN201810096337.5A CN201810096337A CN108360569A CN 108360569 A CN108360569 A CN 108360569A CN 201810096337 A CN201810096337 A CN 201810096337A CN 108360569 A CN108360569 A CN 108360569A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/121—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the connection between shaft elements, e.g. of rings forming said shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/431—Joining the articles to themselves
- B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/124—Shaft entirely made of synthetic material
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- Lining Or Joining Of Plastics Or The Like (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention relates to a kind of multi-layer combined Bulk plastic inspection well chambers and preparation method thereof, including single hop well room and stiffener plate, single hop well room is set-located by multiple cylindrical elements and is formed by laser transmission welding, single hop well room is equipped with more than one piece, from top to bottom sequentially coaxially laser transmission welding forms whole well room to more than one piece single hop well room together, and the transverse direction of well room outer wall and vertical uniform laser transmission welding respectively have multiple stiffener plates.The present invention uses transmission laser welding method, cylindrical element mutual cooperation is played weldment and is fixed and positioning action, solve the problems, such as pressing force and hold-down mechanism, each cylindrical element is connected and welds, laser welded seam in it is latticed in circumferential surface with axial straight line and circumferential circle distribution, laser welded seam bonding strength is 60% or more plastic matrix material tensile strength, intensity can meet well room and require, it can be achieved that the modularization of Bulk plastic inspection well chamber and flexibility manufacture after multilayer book wall cylindrical element is connected and welds.
Description
Technical field
The present invention relates to plastic inspection well technical fields, are specifically related to a kind of multi-layer combined Bulk plastic inspection shaft well
Room and preparation method thereof.
Background technology
In recent years, in municipal water supply and sewerage pipeline system Construction, 1.5 meters of diameter or more, 3 meters of buried depth height or more, wall thickness
The market demand of the Bulk plastic inspection shaft of 10-20mm is increasing, and Bulk plastic inspection shaft is by well lid, well room and well seat group
At, wherein 1.5 meters of Bulk plastic inspection well chamber diameter or more is highly more than 2 meters, due to well room carrying plastic inspection well peace
Fill work progress in surrounding soil lateral pressure and road vehicle surge, well room must have stronger tension and
Flexural strength, for this reason, more stiffener plate is usually arranged in manufacturing enterprise in well room outer surface.
Disposable entirety injection molding is the conventional production methods of plastic inspection well, however, with more stiffener plate, wall
Thick 10-20mm, 1.5 meters of diameter or more, highly be more than 2 meters Bulk plastic inspection well chamber Design and Manufacture of Plastic Injection Mould and note
It is extremely difficult to be moulded into type, currently, Bulk plastic inspection well chamber also uses the molding processing side of winding method electrical heating fusion weld
Method, this method there are welding deformations it is big, weld strength is poor, processing efficiency is low the problems such as.Application for a patent for invention number：
201610633920,201610885926, a kind of the combination forming processing unit (plant) and its method of Bulk plastic inspection shaft are provided,
Its method is well seat to be decomposed into supervisor and support tube, then by being responsible for, after support tube injection molding or extrusion moulding, weld combination forming
Well seat, but well seat critical piece supervisor and bearing pipe size are larger, the especially injection molding of cylindrical shape supervisor and support tube or crowded
Mould appearance and size is larger, and mold design and manufacturing cost are higher.
At present, plastic part has been widely applied using laser transmission welding, and still, welding plastic part is fixed to each other and contrast locating
It is more difficult, i.e., the plastic part pressing force problem in laser beam welding be generally difficult to solve or hold-down mechanism and device it is complicated, such as
Number of patent application：201410496256.6, the hold-down mechanisms such as 201120132653.7 and 201410496286.7 and device more
It is complicated.
Invention content
The technical problem to be solved by the present invention is to overcome the defects of the prior art, provide a kind of multi-layer combined Bulk plastic
Inspection well chamber and preparation method thereof, it is larger to solve existing Bulk plastic inspection well chamber appearance and size, mold design and system
Cause this higher and the problem of existing welding technique hold-down mechanism and device complexity.
In order to solve the above technical problems, the present invention provides following technical scheme：A kind of multi-layer combined Bulk plastic inspection
Well well room, including single hop well room and stiffener plate, the single hop well room are set-located by multiple cylindrical elements and are transmitted by laser
It is welded, the single hop well room is equipped with more than one piece, and from top to bottom sequentially coaxially laser transmission welding exists single hop well room described in more than one piece
Whole well room is formed together, and the transverse direction of the well room outer wall and vertical uniform laser transmission welding respectively there are multiple reinforcing ribs
Plate.
Further, the cylindrical element thickness is 2-5mm, is highly 500-1000mm, a diameter of 1500-2000mm, institute
State circumferential surface fit clearance 0-0.5mm between cylindrical element.
A kind of multi-layer combined Bulk plastic inspection well chamber preparation method, preparation method include the following steps：
①：The plate blank and stiffener plate of the cylindrical element of each single hop well room are cut by raw materials for plastics production by extrusion moulding and machinery
Processing method acquisition is cut, raw materials for plastics production are thermoplastic white particle material；
②：The plate blank of each cylindrical element is processed as cylindrical element using bending mould；
③：Each cylindrical element is respectively by laser welding jointing end face, in the circumference table of each cylindrical element of mutual cooperation of single hop well room
It is sequentially welded using transmission laser welding method along the axial and circumferential directions on face, each cylindrical element is arranged superposition welding and is formed from inside to outside
Single hop well room need to spray laser absorption layer at the laser welded seam of each cylindrical element circumferential surface before welding；
④：The sequentially coaxially superposition connection from top to bottom by each single hop well room again, Bulk plastic inspection is combined as using laser welding
Well well room is whole, before welding, need to spray laser in the superposition connection surface of the laser transmission welding of adjacent single hop well room and inhale
Receive layer；
⑤：Laser welding well room outer surface stiffener plate, stiffener plate need to spray laser absorption layer with well room outer surface welding surface.
Laser absorption layer is sprayed on the arbitrary side welding surface of each joint face, and it is that pitch-dark or black applies to absorb layer material
Material, absorber thickness are 0.5-5 microns.
Laser welding uses the continuous type laser of semiconductor laser output, optical maser wavelength 900-980nm, power 80-
1500W, spot diameter 2-20mm.
When each cylindrical element jointing end face of laser welding, jointing end face width, that is, sheet thickness 2-5mm, laser spot diameter 2-
5mm, power 80-100W, the light beam of laser welding irradiate the absorbed layer of jointing end face weld seam, light beam and hot spot with 45-60 ° of angle
The direction of motion is in 90 °, and spot motion track is consistent with weld seam, and for linear motion, spot diameter is equal to weld width, hot spot movement
Speed 500-1000mm/min.
When laser welding cylindrical element circumferential surface, laser spot diameter 10-20mm, power 200-500W, laser welding
Light beam penetrates each cylindrical element with 90 ° of angles, vertically irradiates the absorbed layer of each cylindrical element circumferential surface weld seam, light beam and spot motion side
To in 90 °, spot motion track is consistent with weld seam, is straight line or circular motion, hot spot movement speed 1000-2000mm/min,
Laser welded seam is in latticed, in circumferential surface with the axial straight line of spacing 100-200mm and circumferential circle distribution.
Single hop well room is superimposed connecting end surface width, that is, well room wall thickness, when laser welding, laser spot diameter 10-20mm, work(
The light beam of rate 500-1500W, laser welding irradiate the absorption that adjacent single hop well room is superimposed connecting end surface weld seam with 45-60 ° of angle
Layer, light beam and spot motion direction are in 90 °, and spot motion track consistent with weld seam is circular motion, spot diameter and connecting pin
Face equivalent width, hot spot movement speed 1000-2000mm/min.
When stiffener plate is welded with well room outer surface, laser light stiffener plate, with 90 ° of angles, vertically irradiation adds laser beam
The absorbed layer of strengthening tendons plate and the welding of well room outer surface, spot diameter 10-20mm, power 500-1500W, light beam and spot motion side
To in 90 °, spot motion track is consistent with weld seam, is straight line or circular motion, hot spot movement speed 1000-2000mm/min.
The principle of the present invention and advantage：A kind of multi-layer combined Bulk plastic inspection well chamber and preparation method thereof, in phase
Axial and circumferential are welded to connect using transmission laser welding method on the circumferential surface mutually coordinated, and each cylindrical element circumferential surface swashs
Flush weld seam crossing sprays laser absorption layer；Connection, then laser welding are superimposed after each cylindrical element laser transmission welding of single hop well room
It is whole to be combined as Bulk plastic inspection well chamber；The superposition connection surface of single hop well room laser transmission welding sprays laser absorption
Layer.
Well room whole height is 2000-5000mm, wall thickness 10-20mm, diameter D=1500-2000mm, and well room outer surface is set
Stiffener plate is set, stiffener plate thickness is consistent with well room wall thickness, and stiffener plate height is 10-20mm, length 500-1000mm,
Stiffener plate uses laser welding, is distributed in axial and circumferential in well room outer surface, stiffener plate and well room outer surface welding surface
Spray laser absorption layer.
Single hop well room height 500-1000mm, wall thickness 10-20mm, diameter D=1500-2000mm, each cylinder of single hop well room
Part is bent to be respectively welded after cylinder and be formed by plate blank, plate charge length L=π of the outermost layer cylindrical element of single hop well room
× D, each cylindrical element plate blank width is single hop well room height, wall thickness is h=2-5mm, and each cylindrical element diameter is from outside to inside successively
Successively decrease 2h.
The plate blank of each cylindrical element is obtained by raw materials for plastics production by extrusion moulding and machine cuts processing method, plate
It is the cylindrical element jointing end face spraying laser absorption after bending to cylinder in the mechanical cutting face of plate blank after blank obtains
Layer；Since plate blank wall thickness is smaller, length is larger, the bending stiffness in plate charge length direction is smaller, and plate blank is easy
It is processed in brake forming, plate blank is processed as cylindrical element using bending mould, is processed using the cold bend(ing) under room temperature.
Each cylindrical element after laser welding jointing end face, matches from the inside to the outside or successively respectively and merges laser welding from outside to inside
It is combined as single hop well room, stack combinations, laser welding connect single hop well room and stiffener plate as Bulk plastic to single hop well room again
Inspection well chamber is whole；In the welding process, cylindrical element mutual cooperation plays weldment and fixes and positioning action, is also convenient for ground
Solve the problems, such as the pressing force of weldment and hold-down mechanism.
When laser welding cylindrical element circumferential surface, the tensile strength of laser welded seam connection is that plastic matrix material tension is strong
60% or more degree, intensity of each cylindrical element after mating connection and welding can meet well room requirement.
The raw materials for plastics production of the present invention are the arbitrary thermoplastic white particle material such as PP, PE, PA, PC, PVC, ABS.
The present invention has an advantageous effect in that compared with prior art：
1, Bulk plastic inspection well chamber, using laser semiconductor transmission welding method, relative to other welding methods,
Welding deformation is small, and even weld, intensity are high, and welding efficiency is high；
2, using transmission laser welding method, in the welding process, cylindrical element mutual cooperation plays weldment and fixes and position
Effect, solves the problems, such as pressing force and hold-down mechanism with being also convenient for；
3, each cylindrical element is connected and welds, laser welded seam in it is latticed in circumferential surface with the axis of spacing 100-200mm
To straight line and circumferential circle distribution, laser welded seam bonding strength is 60% or more plastic matrix material tensile strength, multilayer book wall
Intensity can meet well room requirement after cylindrical element is connected and welds；
4, the Assembled plastic inspection well well room of MULTILAYER COMPOSITE and superposition connection, may be implemented the mould of Bulk plastic inspection well chamber
Block and flexibility manufacture.
Description of the drawings
Fig. 1 is a kind of multi-layer combined Bulk plastic inspection well chamber structural schematic diagram of the present invention；
Fig. 2 is a kind of vertical view of multi-layer combined Bulk plastic inspection well chamber of the embodiment of the present invention 1；
Fig. 3 is a kind of vertical view of multi-layer combined Bulk plastic inspection well chamber of the embodiment of the present invention 2.
Figure label is：1- single hops well room, 101- cylindrical elements, 2- stiffener plates.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1：Referring to figs. 1 to known to Fig. 2：A kind of multi-layer combined Bulk plastic inspection well chamber, including single hop well
Room 1 and stiffener plate 2, the single hop well room 1 are set-located by four cylindrical elements 101 and are formed by laser transmission welding, weldering
It is convenient and secured to connect.The single hop well room 1 is equipped with five, and from top to bottom sequentially coaxially laser is saturating for five single hop well rooms 1
It penetrates and is welded together to form whole well room, the transverse direction of the well room outer wall and vertical uniform laser transmission welding respectively have multiple
Stiffener plate 2.
101 thickness of the cylindrical element is 2.4mm, is highly 500mm, a diameter of 1500-2000mm, the cylindrical element 101
Between circumferential surface fit clearance 0.1mm, convenient for each cylindrical element 101 assemble.
A kind of multi-layer combined Bulk plastic inspection well chamber preparation method, preparation method include the following steps：
①：The plate blank of the cylindrical element 101 of each single hop well room 1 and stiffener plate 2 by raw materials for plastics production by extrusion moulding and
Machine cuts processing method obtains, and raw materials for plastics production are PP thermoplastic white particle materials；
②：The plate blank of each cylindrical element 101 is processed as cylindrical element 101 using bending mould；
③：Each cylindrical element 101 is respectively by laser welding jointing end face, in each cylindrical element of the mutual cooperation of single hop well room 1 101
It is sequentially welded using transmission laser welding method along the axial and circumferential directions on circumferential surface, each cylindrical element 101 is arranged folded from inside to outside
It is welded with and connects to form single hop well room 1, before welding, laser suction need to be sprayed at the laser welded seam of 101 circumferential surface of each cylindrical element
Receive layer；
④：The sequentially coaxially superposition connection from top to bottom by each single hop well room 1 again, Bulk plastic inspection is combined as using laser welding
Well well room is whole, before welding, need to spray laser in the superposition connection surface of the laser transmission welding of adjacent single hop well room 1 and inhale
Receive layer；
⑤：Laser welding well room outer surface stiffener plate 2, stiffener plate 2 need to spray laser absorption with well room outer surface welding surface
Layer.
Laser absorption layer is sprayed on the arbitrary side welding surface of each joint face, and it is pitch-dark to absorb layer material, absorbs thickness
Degree is 0.5 micron.
Laser welding uses the continuous type laser of semiconductor laser output, optical maser wavelength 900nm.
When each 101 jointing end face of cylindrical element of laser welding, jointing end face width, that is, sheet thickness 2.4mm, laser facula is straight
Diameter 2-5mm, power 80-100W, the light beam of laser welding irradiate the absorbed layer of jointing end face weld seam with 45-60 ° of angle, light beam with
Spot motion direction is in 90 °, and spot motion track is consistent with weld seam, and for linear motion, spot diameter is equal to weld width, hot spot
Movement speed 500-1000mm/min.
When laser welding 101 circumferential surface of cylindrical element, laser spot diameter 10-20mm, power 200-500W, laser welding
Light beam with 90 ° of angles penetrate each cylindrical element 101, vertically irradiate the absorbed layer of 101 circumferential surface weld seam of each cylindrical element, light beam and light
The spot direction of motion is in 90 °, and spot motion track is consistent with weld seam, is straight line or circular motion, hot spot movement speed 1000-
2000mm/min, laser welded seam is in latticed, in circumferential surface with the axial straight line of spacing 100-200mm and circumferential circumference point
Cloth.
Single hop well room 1 is superimposed connecting end surface width, that is, well room wall thickness 10mm, when laser welding, laser spot diameter 10-
20mm, power 500-1000W, the light beam of laser welding irradiate adjacent single hop well room 1 with 45-60 ° of angle and are superimposed connecting end surface weldering
The absorbed layer of seam, light beam and spot motion direction are in 90 °, and spot motion track consistent with weld seam is circular motion, spot diameter
With connecting end surface equivalent width, hot spot movement speed 1000-2000mm/min.
When stiffener plate 2 is welded with well room outer surface, laser light stiffener plate 2, laser beam is vertically irradiated with 90 ° of angles
The absorbed layer of stiffener plate 2 and the welding of well room outer surface, spot diameter 10-20mm, power 500-1000W, light beam are transported with hot spot
Dynamic direction is in 90 °, and spot motion track is consistent with weld seam, is straight line or circular motion, hot spot movement speed 1000-2000mm/
min。
Embodiment 2：Referring to Fig.1, known to Fig. 3：A kind of multi-layer combined Bulk plastic inspection well chamber, including single hop well room
1 and stiffener plate 2, the single hop well room 1 be set-located by five cylindrical elements 101 and formed by laser transmission welding, weld
It is convenient and secured.The single hop well room 1 is equipped with five, and from top to bottom sequentially coaxially laser transmits five single hop well rooms 1
It is welded together to form whole well room, the transverse direction of the well room outer wall and vertical uniform laser transmission welding respectively have multiple add
Strengthening tendons plate 2.
101 thickness of the cylindrical element is 3mm, is highly 500mm, a diameter of 1500-2000mm, the cylindrical element 101 it
Between circumferential surface fit clearance 0.25mm, convenient for each cylindrical element 101 assemble.
A kind of multi-layer combined Bulk plastic inspection well chamber preparation method, preparation method include the following steps：
①：The plate blank of the cylindrical element 101 of each single hop well room 1 and stiffener plate 2 by raw materials for plastics production by extrusion moulding and
Machine cuts processing method obtains, and raw materials for plastics production are PE thermoplastic white particle materials；
②：The plate blank of each cylindrical element 101 is processed as cylindrical element 101 using bending mould；
③：Each cylindrical element 101 is respectively by laser welding jointing end face, in each cylindrical element of the mutual cooperation of single hop well room 1 101
It is sequentially welded using transmission laser welding method along the axial and circumferential directions on circumferential surface, each cylindrical element 101 is arranged folded from inside to outside
It is welded with and connects to form single hop well room 1, before welding, laser suction need to be sprayed at the laser welded seam of 101 circumferential surface of each cylindrical element
Receive layer；
④：The sequentially coaxially superposition connection from top to bottom by each single hop well room 1 again, Bulk plastic inspection is combined as using laser welding
Well well room is whole, before welding, need to spray laser in the superposition connection surface of the laser transmission welding of adjacent single hop well room 1 and inhale
Receive layer；
⑤：Laser welding well room outer surface stiffener plate 2, stiffener plate 2 need to spray laser absorption with well room outer surface welding surface
Layer.
Laser absorption layer is sprayed on the arbitrary side welding surface of each joint face, and absorption layer material is blacking, is absorbed
Layer thickness is 1 micron.
Laser welding uses the continuous type laser of semiconductor laser output, optical maser wavelength 920nm.
When each 101 jointing end face of cylindrical element of laser welding, jointing end face width, that is, sheet thickness 3mm, laser spot diameter
2-5mm, power 80-100W, the light beam of laser welding irradiate the absorbed layer of jointing end face weld seam, light beam and light with 45-60 ° of angle
The spot direction of motion is in 90 °, and spot motion track is consistent with weld seam, and for linear motion, spot diameter is equal to weld width, and hot spot moves
Dynamic speed 500-1000mm/min.
When laser welding 101 circumferential surface of cylindrical element, laser spot diameter 10-20mm, power 200-500W, laser welding
Light beam with 90 ° of angles penetrate each cylindrical element 101, vertically irradiate the absorbed layer of 101 circumferential surface weld seam of each cylindrical element, light beam and light
The spot direction of motion is in 90 °, and spot motion track is consistent with weld seam, is straight line or circular motion, hot spot movement speed 1000-
2000mm/min, laser welded seam is in latticed, in circumferential surface with the axial straight line of spacing 100-200mm and circumferential circumference point
Cloth.
Single hop well room 1 is superimposed connecting end surface width, that is, well room wall thickness 16mm, when laser welding, laser spot diameter 10-
20mm, power 500-1500W, the light beam of laser welding irradiate adjacent single hop well room 1 with 45-60 ° of angle and are superimposed connecting end surface weldering
The absorbed layer of seam, light beam and spot motion direction are in 90 °, and spot motion track consistent with weld seam is circular motion, spot diameter
With connecting end surface equivalent width, hot spot movement speed 1000-2000mm/min.
When stiffener plate 2 is welded with well room outer surface, laser light stiffener plate 2, laser beam is vertically irradiated with 90 ° of angles
The absorbed layer of stiffener plate 2 and the welding of well room outer surface, spot diameter 10-20mm, power 500-1500W, light beam are transported with hot spot
Dynamic direction is in 90 °, and spot motion track is consistent with weld seam, is straight line or circular motion, hot spot movement speed 1000-2000mm/
min。
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (9)
1. a kind of multi-layer combined Bulk plastic inspection well chamber, including single hop well room（1）And stiffener plate（2）, feature exists
In the single hop well room（1）By multiple cylindrical elements（101）It is set-located and is formed by laser transmission welding, the single hop well
Room（1）Equipped with more than one piece, single hop well room described in more than one piece（1）From top to bottom sequentially coaxially laser transmission welding forms entirety together
Well room, the transverse direction of the well room outer wall and vertical uniform laser transmission welding respectively have multiple stiffener plates（2）.
2. a kind of multi-layer combined Bulk plastic inspection well chamber according to claim 1 and preparation method thereof, feature
It is, the cylindrical element（101）Thickness is 2-5mm, is highly 500-1000mm, a diameter of 1500-2000mm, the cylindrical element
（101）Between circumferential surface fit clearance 0-0.5mm.
3. a kind of multi-layer combined Bulk plastic inspection well chamber preparation method, which is characterized in that preparation method includes following step
Suddenly：
①：Each single hop well room（1）Cylindrical element（101）Plate blank and stiffener plate（2）Pass through extrusion molding by raw materials for plastics production
Molding and machine cuts processing method obtain, and raw materials for plastics production are thermoplastic white particle material；
②：Each cylindrical element（101）Plate blank cylindrical element is processed as using bending mould（101）；
③：Each cylindrical element（101）Respectively by laser welding jointing end face, in single hop well room（1）Each cylindrical element of mutual cooperation
（101）Circumferential surface on sequentially welded using transmission laser welding method along the axial and circumferential directions, each cylindrical element（101）By interior
It is arranged superposition welding outside and forms single hop well room（1）, before welding, in each cylindrical element（101）At the laser welded seam of circumferential surface
Laser absorption layer need to be sprayed；
④：Again by each single hop well room（1）Sequentially coaxially superposition connection from top to bottom is combined as Bulk plastic inspection using laser welding
It is whole to look into well well room, before welding, in adjacent single hop well room（1）Laser transmission welding superposition connection surface need to spray it is sharp
Light absorbing layer；
⑤：Laser welding well room outer surface stiffener plate（2）, stiffener plate（2）Laser need to be sprayed with well room outer surface welding surface
Absorbed layer.
4. multi-layer combined Bulk plastic inspection well chamber preparation method according to claim 3, which is characterized in that laser
Absorbed layer is sprayed on the arbitrary side welding surface of each joint face, and absorption layer material is pitch-dark or blacking, absorber thickness
It is 0.5-5 microns.
5. multi-layer combined Bulk plastic inspection well chamber preparation method according to claim 3 or 4, which is characterized in that
Laser welding uses the continuous type laser of semiconductor laser output, optical maser wavelength 900-980nm, power 80-1500W, hot spot
Diameter 2-20mm.
6. multi-layer combined Bulk plastic inspection well chamber preparation method according to claim 5, which is characterized in that laser
Weld each cylindrical element（101）When jointing end face, jointing end face width, that is, sheet thickness 2-5mm, laser spot diameter 2-5mm, work(
Rate 80-100W, the light beam of laser welding irradiate the absorbed layer of jointing end face weld seam, light beam and spot motion side with 45-60 ° of angle
To in 90 °, spot motion track is consistent with weld seam, and for linear motion, spot diameter is equal to weld width, hot spot movement speed
500-1000mm/min。
7. multi-layer combined Bulk plastic inspection well chamber preparation method according to claim 5, which is characterized in that laser
Welding drum part（101）When circumferential surface, laser spot diameter 10-20mm, power 200-500W, the light beam of laser welding with
90 ° of angles penetrate each cylindrical element（101）, vertically irradiate each cylindrical element（101）The absorbed layer of circumferential surface weld seam, light beam are transported with hot spot
Dynamic direction is in 90 °, and spot motion track is consistent with weld seam, is straight line or circular motion, hot spot movement speed 1000-2000mm/
Min, laser welded seam is in latticed, in circumferential surface with the axial straight line of spacing 100-200mm and circumferential circle distribution.
8. multi-layer combined Bulk plastic inspection well chamber preparation method according to claim 5, which is characterized in that single hop
Well room（1）It is superimposed connecting end surface width, that is, well room wall thickness, when laser welding, laser spot diameter 10-20mm, power 500-
The light beam of 1500W, laser welding irradiate adjacent single hop well room with 45-60 ° of angle（1）It is superimposed the absorbed layer of connecting end surface weld seam,
Light beam and spot motion direction are in 90 °, and spot motion track consistent with weld seam is circular motion, and spot diameter is wide with connecting end surface
Degree is consistent, hot spot movement speed 1000-2000mm/min.
9. multi-layer combined Bulk plastic inspection well chamber preparation method according to claim 5, which is characterized in that reinforce
Gusset（2）When being welded with well room outer surface, laser light stiffener plate（2）, laser beam vertically irradiates stiffener plate with 90 ° of angles
（2）With the absorbed layer of well room outer surface welding, spot diameter 10-20mm, power 500-1500W, light beam and spot motion direction
In 90 °, spot motion track is consistent with weld seam, is straight line or circular motion, hot spot movement speed 1000-2000mm/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810096337.5A CN108360569B (en) | 2018-01-31 | 2018-01-31 | Multilayer composite large plastic inspection well chamber and preparation method thereof |
Applications Claiming Priority (1)
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| CN115430840A (en) * | 2022-08-29 | 2022-12-06 | 中南大学 | Multifunctional surface modification method for weak-rigidity part based on laser additive manufacturing |
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| CN103640212A (en) * | 2013-12-21 | 2014-03-19 | 厦门建霖工业有限公司 | Laser welding process of water flowing assembly |
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| CN103640212A (en) * | 2013-12-21 | 2014-03-19 | 厦门建霖工业有限公司 | Laser welding process of water flowing assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430840A (en) * | 2022-08-29 | 2022-12-06 | 中南大学 | Multifunctional surface modification method for weak-rigidity part based on laser additive manufacturing |
| CN115430840B (en) * | 2022-08-29 | 2023-07-25 | 中南大学 | Multifunctional surface modification method for low-rigidity part based on laser additive manufacturing |
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Effective date of registration: 20230518 Address after: 213000 No.28 Nanhu West Road, Wujin high tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee after: JIANGSU HIPPO PLASTICS Co.,Ltd. Address before: 213164 No. 2 Mingxin Middle Road, Wujin University Town, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU College OF INFORMATION TECHNOLOGY |