A kind of active operation cylinder nylon thermal sintering machine
Technical field
The invention belongs to laser fast forming equipment, more particularly to a kind of active operation cylinder nylon thermal sintering machine.
Background technology
At present, laser fast forming equipment(SLS- RP)Application develop rapidly, for SLS- RP new products
The formed powder of model includes polystyrene (PS), acrylonitrile/butadiene/styrene (ABS), utilizes both powder systems
The prototype product strength made is low, poor toughness, is more easily damaged, and cannot be directly used to Product Assembly, interference detection and performance and surveys
Examination, it is necessary to dry solidification by impregnation (resin) post processing and heat, improve toughness rear and can be used, complex process, cost compared with
It is high.And the SLS- RP technologies of nylon powder are the features such as have product thermal sintering function admirable, product strength high, good toughness.Adopt
The product produced with nylon powder SLS- RP technologies can need not move through impregnation post processing and heat baking by strict performance test
Solidification can obtain tensile strength, bending strength and impact strength and be excellent product, and it is with thermally-stabilised well
Property and chemical stability.The technology can be directly used for realistic model carry out service check, verifying articles design structure reasonability,
The feasibility of manufacturing process and the aesthetic property of outward appearance, time update product design, to adapt to the demand in market;It can also be used for straight
Manufacture casting molds (template, apperance, core) etc. are connect, so as to greatly shorten the construction cycle of new product, reduction is developed into
This.Carried out using nylon powder in laser forming process, nylon powder is successively spread and is sprinkled upon in working cylinder, is burnt by laser
Form shape.Working cylinder using preceding needing to be preheated to after 170 DEG C or so, product shaping laser, it is necessary to working cylinder is cooled,
Take out the product of shaping.Preheating and cooling procedure can significantly reduce the operating efficiency of equipment;Directly in equipment take out product and
Cleaning work cylinder also has inconvenience.
The content of the invention
The purpose of the present invention is to propose to a kind of technical scheme of active operation cylinder nylon thermal sintering machine, enable working cylinder
Separated with nylon thermal sintering machine, working cylinder can be made to depart from imperial thermal sintering machine cooling, in advance warm operation cylinder, convenient shaping production
The taking-up of product and the cleaning of working cylinder.
To achieve these goals, the technical scheme is that:A kind of active operation cylinder nylon thermal sintering machine, including
Shape machine frame, working cylinder, laser galvanometer scanning device, power spreading device;The working cylinder is can be movable into and out working position
The active operation cylinder put.
Further, the working cylinder is placed on working cylinder movable stand, is placed on the institute on the working cylinder movable stand
State working cylinder position be less than the operating position, the working cylinder movable stand can carry working cylinder be movable into and out it is described into
Shape machine frame;The working cylinder lifting provided with up-and-down movement hooks plate on the shaping machine frame;The working cylinder lifting is hooked
The working cylinder is promoted to operating position when plate is moved upwards, the working cylinder lifting is hooked the work when plate is moved downward
Cylinder is placed on the working cylinder movable stand.
Further, the working cylinder movable stand is provided with walking roller and work bracket cylinder, and the working cylinder is placed on institute
State on the work bracket cylinder, the both sides of working cylinder are stretched out from the work bracket cylinder, there are two working cylinder liftings to hook plate
Working cylinder is held up from the position for the working cylinder both sides for stretching out work bracket cylinder.
Further, the working cylinder movable stand is provided with working cylinder stock, and the working cylinder stock is in horizontal level ring
Around the framework of working cylinder, the working cylinder stock is arranged on the top of the work bracket cylinder, the inner side of the working cylinder stock
Size corresponds to the outer wall of the working cylinder, and the working cylinder is moved back and forth up and down in the working cylinder stock.
Further, the inner side of the working cylinder stock is provided with vibration damping anti-scratch adhesive tape.
Further, the both sides of the working cylinder movable stand are provided with flexibly positioned ball, and the flexibly positioned ball is arranged on institute
The lower section of work bracket cylinder is stated, provided with position movable stand corresponding with the flexibly positioned ball position on the shaping machine frame
Guide plate, the plate face of the movable stand guide plate is towards horizontal direction, and the working cylinder movable stand is moved by flexibly positioned ball along described
Moving frame guide plate enters in the shaping machine frame.
Further, positioning hole is provided with the bottom surface of the working cylinder, the working cylinder lifting hooks plate and is provided with alignment pin, institute
The position for stating alignment pin corresponds to the position of the positioning hole, is moved upwards when working cylinder lifting hooks plate lifting working cylinder
When, working cylinder lifting hooks the positioning hole of the alignment pin insertion working cylinder of plate;Fall when working cylinder lifting hooks plate
When working cylinder is placed on working cylinder movable stand, the alignment pin departs from the positioning hole of working cylinder.
Further, the alignment pin is the alignment pin that head is provided with guide cone.
Further, working cylinder lifter plate is provided with the shaping machine frame, the working cylinder lifter plate is by a mantle fiber
Bar transmission device drives and pumped;The working cylinder lifting hooks plate and is arranged on the working cylinder lifter plate.
Further, working cylinder of the active operation cylinder nylon thermal sintering machine provided with two independent operations, two institutes
Working cylinder is stated to be arranged side by side in the horizontal direction.
The beneficial effects of the invention are as follows:Nylon thermal sintering machine use can be movable into and out the active operation of operating position
Cylinder, removes working cylinder and is cooled down after nylon thermal sintering machine and remove finished product, can be pushed into the working cylinder for having completed preheating
Nylon thermal sintering machine, into operating position, saves cooling and preheating time of the working cylinder in nylon thermal sintering machine, shows
Write the operating efficiency for improving nylon thermal sintering machine;Efficiency can further be improved using double working cylinders or many working cylinders;
The working cylinder of removal takes out finished product and the operation of cleaning work cylinder is also more convenient, safe.
The present invention is described in detail with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is structure chart of the present invention, wherein left side working cylinder is in operating position, right side working cylinder is in drop-off positions;
Fig. 2 is that present invention shaping machine frame and working cylinder lifting hook plate front side structure figure;
Fig. 3 is that present invention shaping machine frame and working cylinder lifting hook plate rear structure figure;
Fig. 4 is working cylinder movable stand structure chart of the present invention;
Fig. 5 is working cylinder bottom surface structure figure of the present invention;
Fig. 6 is that working cylinder removes state diagram on the right side of the present invention;
Fig. 7 is that working cylinder enters job site situation figure on the right side of the present invention;
Fig. 8 is outer casing construction drawing of the present invention.
Embodiment
Such as Fig. 1 is to Fig. 5, a kind of active operation cylinder nylon thermal sintering machine, including shapes machine frame 10, working cylinder 20, swashs
Light galvanometer scanning device 31, power spreading device 32;The working cylinder is can be movable into and out operating position(Worked on the left of Fig. 1
The position of cylinder)Active operation cylinder.
The working cylinder is placed on working cylinder movable stand 40, is placed on the working cylinder on the working cylinder movable stand
Position be less than the operating position(The position of working cylinder on the right side of Fig. 1), the working cylinder movable stand can carry working cylinder
It is movable into and out the shaping machine frame;The working cylinder lifting provided with up-and-down movement hooks plate on the shaping machine frame
50;The working cylinder lifting is hooked when plate is moved upwards is promoted to operating position by the working cylinder(The position of working cylinder on the left of Fig. 1
Put), the working cylinder lifting, which is hooked when plate is moved downward, is placed on the working cylinder on the working cylinder movable stand(As Fig. 1 is right
The position of side working cylinder).
The working cylinder movable stand is placed on the work provided with walking roller 41 and work bracket cylinder 42, the working cylinder
On bracket cylinder, the both sides of working cylinder are stretched out from the work bracket cylinder, have two working cylinder liftings to hook plate from stretching work
The position of the working cylinder both sides of bracket cylinder holds up working cylinder.
The working cylinder movable stand is provided with working cylinder stock 43, and the working cylinder stock is around working cylinder in horizontal level
Framework, the working cylinder stock is arranged on the top of the work bracket cylinder, the inside dimensions correspondence of the working cylinder stock
In the outer wall of the working cylinder, the working cylinder is moved back and forth up and down in the working cylinder stock.
The inner side of the working cylinder stock is provided with vibration damping anti-scratch adhesive tape 44.
The both sides of the working cylinder movable stand are provided with flexibly positioned ball 45, and the flexibly positioned ball is arranged on the working cylinder
The lower section of bracket, provided with position movable stand guide plate 11 corresponding with the flexibly positioned ball position on the shaping machine frame,
The plate face of the movable stand guide plate is towards horizontal direction, and the working cylinder movable stand is led by flexibly positioned ball along the movable stand
Plate enters in the shaping machine frame.
Positioning hole 21 is provided with the bottom surface of the working cylinder, the working cylinder lifting hooks plate and is provided with alignment pin 51, described fixed
The position of position pin corresponds to the position of the positioning hole, when working cylinder lifting, which hooks plate lifting working cylinder, moves upwards, work
Make the positioning hole that cylinder lifting hooks the alignment pin insertion working cylinder of plate;Fall when working cylinder lifting hooks plate by work
When cylinder is placed on working cylinder movable stand, the alignment pin departs from the positioning hole of working cylinder.
The alignment pin is the alignment pin that head is provided with guide cone.
Working cylinder lifter plate 52 is provided with the shaping machine frame, the working cylinder lifter plate is filled by a set of screw rod transmission
53 drives are put to pump;The working cylinder lifting hooks plate and is arranged on the working cylinder lifter plate.
Working cylinder of the active operation cylinder nylon thermal sintering machine provided with two independent operations, two working cylinders exist
Horizontal direction is arranged side by side.
Embodiment one:
Such as Fig. 1 is to Fig. 5, a kind of active operation cylinder nylon thermal sintering machine, including shaping machine frame 10, and two or so side by side
The working cylinder 20 of setting, is arranged on laser galvanometer scanning device 31 and power spreading device 32 above working cylinder.
Working cylinder is can be movable into and out the active operation cylinder of operating position.On the left of such as Fig. 1 of the operating position of working cylinder
Work cylinder position.
In order that working cylinder can be movable into and out operating position, each working cylinder is placed on a working cylinder movable stand
On 40.Working cylinder movable stand is frame structure, and the bottom surface of working cylinder movable stand is provided with walking roller 41;Working cylinder movable stand
Provided with work bracket cylinder 42, work bracket cylinder has two crossbeams for being arranged on working cylinder movable stand both sides to constitute, and work bracket cylinder
The width d of both sides is less than the width D of working cylinder.Working cylinder movable stand is provided with working cylinder stock 43, and working cylinder stock is in level
Position ring is around the framework of working cylinder, and the working cylinder stock is arranged on the top of the work bracket cylinder, working cylinder stock it is interior
Side size corresponds to the outer wall of the working cylinder.
The inner side of working cylinder stock is provided with vibration damping anti-scratch adhesive tape 44.
The both sides of working cylinder movable stand are provided with flexibly positioned ball 45, and flexibly positioned ball is provided with elastic telescopic in the horizontal direction
Bulb, flexibly positioned ball is arranged on the lower section of the work bracket cylinder.
Working cylinder is placed on work bracket cylinder, and the both sides of working cylinder are stretched out from the both sides of made bracket cylinder, working cylinder
Four walls are surround by working cylinder stock, and working cylinder is moved back and forth up and down in the working cylinder stock.Vibration damping anti-scratch adhesive tape can prevent
It is not scratched when only working cylinder is moved in working cylinder stock.
Working cylinder movable stand is additionally provided with the push and pull bar 46 operated for push-and-pull.
Provided with position movable stand guide plate 11 corresponding with the flexibly positioned ball position on shaping machine frame, movable stand is led
The plate face of plate is towards horizontal direction, and each working cylinder movable stand of correspondence is on shaping machine frame provided with two movable stand guide plates, two
Spacing between bar movement frame guide plate corresponds to the flexibly positioned ball of the both sides of working cylinder movable stand, makes the bulb of flexibly positioned ball
With the plate face sliding contact of movable stand guide plate, working cylinder movable stand enters described by flexibly positioned ball along the movable stand guide plate
Shape in machine frame.The position for the working cylinder being placed on working cylinder movable stand is less than operating position(Worked on the right side of Fig. 1
The position of cylinder), working cylinder movable stand can carry working cylinder be movable into and out shape machine frame.
The working cylinder lifting provided with up-and-down movement hooks plate 50 on shaping machine frame;Corresponding to each working cylinder, if
There are two working cylinder liftings to hook plate, two working cylinder liftings hook plate and held up from the position for the working cylinder both sides for stretching out work bracket cylinder
Working cylinder.
Working cylinder lifting hooks when plate is moved upwards the working cylinder being promoted to operating position(On the left of Fig. 1 working cylinder
Position), the working cylinder lifting, which is hooked when plate is moved downward, is placed on the working cylinder on the working cylinder movable stand(Such as Fig. 1
The position of right side working cylinder).
In the bottom surface of each working cylinder provided with four positioning holes 21, the left and right sides is per each two positioning holes in side.Every work
Cylinder lifting hooks plate provided with two alignment pins 51, and alignment pin is the alignment pin that head is provided with guide cone.The position pair of each alignment pin
The position of Ying Yuyi positioning hole, when working cylinder lifting, which hooks plate lifting working cylinder, moves upwards, working cylinder lifting hooks determining for plate
The positioning hole of position pin insertion working cylinder;It is fixed when working cylinder lifting, which hooks plate, to be fallen to being placed into working cylinder on working cylinder movable stand
Position pin departs from the positioning hole of working cylinder, working cylinder and working cylinder movable stand is removed shaping machine frame.
Working cylinder lifter plate 52 is provided with shaping machine frame, the working cylinder lifter plate is by a set of spindle gear 53
Take to and pump;Working cylinder lifting hooks plate and is arranged on working cylinder lifter plate, and working cylinder lifting hooks plate with working cylinder liter
Drop plate pumps.
Active operation cylinder nylon thermal sintering machine is completed by laser galvanometer scanning device and power spreading device in working cylinder
Product shaping is processed.Working cylinder needs waste heat to 170 DEG C or so before the forming of a product is carried out, when working cylinder is completed
, it is necessary to make the working cylinder cool before product is taken out after product shaping processing.
The active operation cylinder nylon thermal sintering machine of the present embodiment operationally, is usually prepared for more than two working cylinder,
Each working cylinder is placed on a working cylinder movable stand, and four walls of working cylinder are enclosed within the working cylinder stock of working cylinder movable stand
Interior, the bottom surface of working cylinder is placed on the work bracket cylinder of working cylinder movable stand.When carrying out product shaping processing, working cylinder liter
Drop plate is driven by spindle gear and moved downward, and the position of working cylinder lifting hook plate and alignment pin, which is less than, is placed on working cylinder shifting
The bottom surface of working cylinder in moving frame, as shown in Figure 6.Pushed the work forward cylinder movable stand, and the prior working cylinder for completing preheating is pushed into
Shape machine frame, makes the position alignment working cylinder lifting of four positioning holes of working cylinder bottom surface hook the position of four alignment pins on plate
Put, as shown in the working cylinder on the right side of Fig. 1.In push-on process, in the place kick and shaping machine frame of working cylinder movable stand both sides
Movable stand guide plate can control working cylinder movement right position.Working cylinder lifter plate drives upward fortune by spindle gear
Dynamic, the alignment pin that working cylinder lifting is hooked on plate inserts the positioning hole of working cylinder, and working cylinder lifting hooks the bottom surface that plate support plays working cylinder,
Working cylinder is lifted to operating position, as shown in the working cylinder on the right side of Fig. 7.Now, working cylinder movable stand is left in the bottom surface of working cylinder
Work bracket cylinder, four walls of working cylinder are still enclosed within the working cylinder stock of working cylinder movable stand.
, it is necessary to which the product in working cylinder is taken out after a working cylinder completes product shaping processing.Now, work
Cylinder lifter plate is driven by spindle gear and moved downward, and working cylinder is placed on working cylinder movable stand, the bottom surface of working cylinder
Fall on the work bracket cylinder of working cylinder movable stand;Working cylinder lifting hook plate continues to move downward, make working cylinder lifting hook plate and
The position of alignment pin is less than the bottom surface for the working cylinder being placed on working cylinder movable stand.Working cylinder movable stand is pulled, makes working cylinder
Removed out of shaping machine frame.If desired for the forming for carrying out next part, then another working cylinder is completed pre- in advance
Heat, and the machine frame of push-in shaping immediately, make working cylinder enter operating position, start product shaping processing.Have been completed product
The working cylinder of forming is then cooled down outside shaping machine frame, and takes out part.If desired for the more parts of progress
Forming, then carry out the state that waste heat is at completing preheating to working cylinder.
The active operation cylinder nylon thermal sintering machine of the present embodiment is operationally, it is necessary to which at least three working cylinders just can be right
The working cylinder that left and right two is processed carries out quick-replaceable.Nylon thermal sintering machine can be made continuously to work, work is significantly improved
Efficiency.The operation of finished product and cleaning work cylinder not Stimulated Light galvanometer scanning device and power spreading device are taken out in the working cylinder of removal
Deng more convenient, safety.
Such as Fig. 8, in order that active operation cylinder nylon thermal sintering machine has a good working environment, the activity of this implementation
Working cylinder nylon thermal sintering machine is additionally provided with shell 33, working cylinder access door 34 and observation window 35.Control is installed on shell
Computer 36.