CN203752535U - Fiber implantation device for selective laser sintering (SLS) - Google Patents
Fiber implantation device for selective laser sintering (SLS) Download PDFInfo
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- CN203752535U CN203752535U CN201420119924.9U CN201420119924U CN203752535U CN 203752535 U CN203752535 U CN 203752535U CN 201420119924 U CN201420119924 U CN 201420119924U CN 203752535 U CN203752535 U CN 203752535U
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- fiber
- working arm
- fixture block
- selective laser
- laser sintering
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Abstract
The utility model discloses a fiber implantation device for selective laser sintering (SLS). The fiber implantation device comprises a fiber conveying mechanism, a first operation arm, a second operation arm, a support and a vertical moving mechanism, wherein the upper ends of the first operation arm and the second operation arm are connected with the support by a first horizontal moving mechanism and a second horizontal moving mechanism respectively; the lower end of the first operation arm is provided with a first clamping mechanism capable of clamping and loosening fibers; the lower end of the second operation arm is provided with a second clamping mechanism capable of clamping and loosening fibers, and a cutting mechanism for cutting off fibers; a fixed end of the vertical moving mechanism is connected with the rack, and a moving end of the vertical moving mechanism is connected with the support. The fiber implantation device provided by the utility model can be used for laying fiber layers in powder efficiently during an SLS process.
Description
Technical field
The utility model relates to the equipment being applied in a kind of selective laser sintering technique, is specifically related to a kind of fiber implanted device for selective laser sintering.
Background technology
Selective laser sintering (Selective Laser Sintering, be called for short SLS) be current a kind of rapid shaping technique being widely used, its moulding process principle is: the electronic 3-D model of model target part, then by delamination software, threedimensional model is carried out to slicing treatment, obtain the data message of each processing aspect, under computer control, according to slicing layer surface information, utilize laser beam successively to scan sintering to dusty material that can hot melt, complete the manufacture of target processing.The advantage of this technology is not to be subject to the restriction of part shape complexity, without any need for moulds of industrial equipment, speed is fast, efficiency is high, can realize the automated manufacturing of free shape entity, is being subject to paying attention to more and more widely.
The raw material that SLS technology adopts is at present dusty material, and its kind comprises: polymeric powder material, macromolecule and inorganic matter composite powder material, macromolecule and metal composite powder powder material, ceramic powder material and metal powder material.Dusty material is through after laser sintered, and the intensity of its profiled member is lower, and causing the main cause that its intensity is not high is that its quality is loose, density is lower.Although the reinforcing material such as combined fiberglass, glass microballoon, mineral fibres, carbon fiber can improve the intensity of profiled member in dusty material, but the arrangement of these reinforcing materials in dusty material is mixed and disorderly unordered, and the draw ratio of reinforcing material in shaped article is lower, particularly impact strength is still lower to cause the intensity of final molding part, the performance requirement that does not reach the requirement of profiled member measuring mechanical property or directly use as final products.
A kind of implementation method and fiber implanted device of selective laser sintering technique are disclosed in the applicant's a formerly application for a patent for invention (publication No. is CN102990933A), described implementation method, by implanting the fibrage being made up of the fiber of high length-diameter ratio and ordered arrangement when the sintering in sintered powder, improves the intensity of profiled member greatly.Described fiber implanted device can be routed to filament (or fiber cloth, fibre bundle, fibrofelt) in sintered powder, but the reliability of this fiber implanted device and operating efficiency are also deposited deficiency, need to be further improved.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of fiber implanted device for selective laser sintering is provided, and this fiber implanted device can be laid fibrage efficiently in selective laser sintering technique in powder.
The technical scheme that the utility model is realized above-mentioned purpose is:
A kind of fiber implanted device for selective laser sintering, it is characterized in that, comprise fiber conveying mechanism, the first working arm, the second working arm, support and vertical travel mechanism, wherein, the upper end of described the first working arm and the second working arm is connected with support with the second transverse moving mechanism by the first transverse moving mechanism respectively, the lower end of described the first working arm is provided with first clamp mechanism that can clamp and unclamp fiber, the lower end of described the second working arm is provided with second clamp mechanism that can clamp and unclamp fiber, the lower end of described the second working arm is also provided with the shut-off mechanism for cut staple, the stiff end of described vertical travel mechanism is connected with frame, and movable end is connected with described support.
A preferred version of the present utility model, wherein, described fiber conveying mechanism is made up of two pairs or more conveying roller.Adopt the object of this preferred version to be, by conveying roller, fiber is carried, simple in structure, be convenient to realize.
A preferred version of the present utility model, wherein, described the first transverse moving mechanism comprises motor, lead screw pair, slide block and chute, wherein, described chute is arranged in support, described slide block is matched with in chute, and the leading screw in described lead screw pair is connected with electric machine main shaft, and the feed screw nut in lead screw pair is arranged in slide block; The upper end of described the first working arm is connected on slide block.Adopt the object of this preferred version to be, promote slide block by lead screw pair and slide along chute, thereby realize the transverse shifting control to the first working arm, to the fiber clamping is stretched, moved.
A preferred version of the present utility model, wherein, described the second transverse moving mechanism comprises motor, lead screw pair, slide block and chute, wherein, described slide block is matched with in chute, and the leading screw in described lead screw pair is connected with electric machine main shaft, and the feed screw nut in lead screw pair is arranged in slide block; The upper end of described the second working arm is connected on slide block.Adopt the object of this preferred version to be, promote slide block by lead screw pair and slide along chute, thereby realize the transverse shifting control to the second working arm, coordinate the first working arm, the fiber after cutting off is clamped and is transplanted on to the top of sintering equipment.
A preferred version of the present utility model, wherein, described the first clamp mechanism is made up of upper and lower two fixture blocks and telescoping mechanism, wherein, upper fixture block is fixed on the lower end of the first working arm, the lower fixture block below that is arranged at fixture block relatively, the stiff end of described telescoping mechanism is connected on fixture block, and movable end is connected on lower fixture block.Adopt the object of this preferred version to be, drive down fixture block to move up and down by telescoping mechanism, thereby realize the clamping to fiber and unclamp.
A preferred version of the present utility model, wherein, described the second clamp mechanism is made up of upper and lower two fixture blocks and telescoping mechanism, wherein, upper fixture block is fixed on the lower end of the second working arm, the lower fixture block below that is arranged at fixture block relatively, the stiff end of described telescoping mechanism is connected on fixture block, and movable end is connected on lower fixture block.Adopt the object of this preferred version to be, drive down fixture block to move up and down by telescoping mechanism, thereby realize the clamping to fiber and unclamp.
A preferred version of the present utility model, wherein, described shut-off mechanism comprises cutting knife and can promote the actuating unit that cutting knife moves up and down, and wherein, described cutting knife is arranged in the mounting groove of lower end of the second working arm, and this mounting groove runs through described upper fixture block downwards; Down, the upper end of described lower fixture block is provided with groove in the position relative with cutting knife to the blade of described cutting knife.Promote cutting knife by actuating unit and move downward fibre cutting, the effect of the groove on described lower fixture block is, when cutting, fiber in by clamping device, arranges this groove and can prevent that blade from striking on lower fixture block and causing damage.
A preferred version of the present utility model, wherein, described vertical travel mechanism is made up of cylinder, and the cylinder part of this cylinder is fixed in frame, and piston rod part is connected on support.Drive support to move up and down by this cylinder, and then drive the fiber of being clamped by the first clamp mechanism and the second clamp mechanism to move downward, be laid in powder bed.
An excellent preferred version of the present utility model, wherein, described the first clamp mechanism is cylinder.Adopt the clamping of cylinder control fixture block and unclamp, thering is easy, the advantages of simple structure and simple of control.
An excellent preferred version of the present utility model, wherein, the actuating unit in described shut-off mechanism is cylinder.Adopt the work of cylinder control cutting knife, there is easy, the advantages of simple structure and simple of control.
The operation principle of the fiber implanted device for selective laser sintering of the present utility model is:
Before work, the first working arm and the second working arm are close together, conveying mechanism is delivered to fiber between the first clamp mechanism and the fixture block of the second clamp mechanism, then the first clamp mechanism work, the end of fiber is clamped, then the first transverse moving mechanism work, pulls fiber the length of setting; Then the second clamp mechanism work, clamps fiber, and then shut-off mechanism work, by fibre cutting; Then the first transverse moving mechanism and the second transverse moving mechanism are worked simultaneously, will cut off and nipped fiber is transferred to the top of sintered powder layer; The work of last vertical travel mechanism, is delivered to fiber downwards on sintered powder layer, and the first clamp mechanism and the second clamp mechanism are unclamped, and fiber retention is on sintered powder layer, and vertical travel mechanism moves upward, and realizes the implantation of fiber in sintering process.
The utility model compared with prior art has following beneficial effect:
1, in the utility model, can once the fiber of certain width be transplanted in sintered powder layer, operating efficiency improves greatly.
2, before fiber is delivered to sintered powder layer, can allow fiber in tension, thereby the fiber of avoiding being placed in sintered powder layer occur curling.
3, transfer before fiber, because the two ends of fiber are all clamped, and move on sintered powder by set path, therefore reliability improves, and the implantation of fiber can not depart from the position of setting.
Brief description of the drawings
Fig. 1 is the structural representation of a detailed description of the invention of the fiber implanted device for selective laser sintering of the present utility model.
Fig. 2 and Fig. 3 are the structural representation of Fig. 1 the first working arm part, and wherein, Fig. 2 is front view, and Fig. 3 is left view.
Fig. 4 and Fig. 5 are the structural representation of the second working arm part in Fig. 1, and wherein, Fig. 4 is front view, and Fig. 5 is right view.
Fig. 6 is that of Fig. 1 illustrated embodiment uses state diagram.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Referring to Fig. 1, fiber implanted device for selective laser sintering of the present utility model comprises fiber conveying mechanism, the first working arm 4, the second working arm 5, support 12 and vertical travel mechanism 15, wherein, the upper end of described the first working arm 4 and the second working arm 5 is connected with support 12 with the second transverse moving mechanism by the first transverse moving mechanism respectively, the lower end of described the first working arm 4 is provided with first clamp mechanism that can clamp and unclamp fiber 1, the lower end of described the second working arm 5 is provided with second clamp mechanism that can clamp and unclamp fiber 1, the lower end of described the second working arm 5 is also provided with the shut-off mechanism for cut staple 1, the stiff end of described vertical travel mechanism 15 is connected with frame 16, and movable end is connected with described support 12.
Referring to Fig. 1, described fiber conveying mechanism is made up of three pairs of conveying rollers 3, and fiber 1 rolling is on reel 2, and end is passed from above-mentioned conveying roller 3.By conveying roller 3, fiber 1 is carried, simple in structure, be convenient to realize.
Referring to Fig. 1～Fig. 5, described support 12 is a laterally extending beam body, is provided with two chutes arranged side by side in support 12, is respectively used to install the first working arm 4 and the second working arm 5, and allows them thereon along transverse shifting; Be connected with vertical travel mechanism 15, to can drive the first working arm 4 and the second working arm 5 to move up and down simultaneously.
Referring to Fig. 1～Fig. 3, described the first transverse moving mechanism comprises motor 13, lead screw pair, slide block 18 and chute, wherein, described motor 13 is fixed on the left end of support 12, described chute is arranged in support 12, described slide block 18 is matched with in chute, and the leading screw 17 in described lead screw pair is connected with motor 13 main shafts, and the feed screw nut 19 in lead screw pair is arranged in slide block 18; The upper end of described the first working arm 4 is connected on slide block 18.Promote slide block 18 by lead screw pair and slide along chute, thereby realize the transverse shifting control to the first working arm 4, to the fiber 1 clamping is stretched, moved.
Referring to Fig. 1, Fig. 4 and Fig. 5, described the second transverse moving mechanism comprises motor 14, lead screw pair, slide block 21 and chute, wherein, described motor 14 is fixed on the right-hand member of support 12, described slide block 21 is matched with in chute, leading screw 20 in described lead screw pair is connected with motor 14 main shafts, and the feed screw nut 22 in lead screw pair is arranged in slide block 21; The upper end of described the first working arm 4 is connected on slide block 21.Promote slide block 21 by lead screw pair and slide along chute, thereby realize the transverse shifting control to the second working arm 5, coordinate the first working arm 4, the fiber 1 after cutting off is clamped and is transplanted on to the top of sintering equipment.
Referring to Fig. 1～Fig. 3, described the first clamp mechanism is made up of upper and lower two fixture blocks and telescoping mechanism 10, wherein, upper fixture block 6 is fixed on the lower end of the first working arm 4, lower fixture block 7 below that is arranged at fixture block 6 relatively, the stiff end of described telescoping mechanism 10 is connected on fixture block 6, and movable end is connected on lower fixture block 7; Described telescoping mechanism 10 is cylinder.Drive down fixture block 7 to move up and down by cylinder, thereby realize the clamping to fiber 1 and unclamp.
Referring to Fig. 1, Fig. 4 and Fig. 5, described the second clamp mechanism is made up of upper and lower two fixture blocks and telescoping mechanism 11, wherein, upper fixture block 8 is fixed on the lower end of the second working arm 5, lower fixture block 9 below that is arranged at fixture block 8 relatively, the stiff end of described telescoping mechanism 11 is connected on fixture block 8, and movable end is connected on lower fixture block 9; Described telescoping mechanism 11 is cylinder.Drive down fixture block 9 to move up and down by cylinder, thereby realize the clamping to fiber 1 and unclamp.
Referring to Fig. 5, described shut-off mechanism comprises cutting knife 23 and can promote the actuating unit 24 that cutting knife 23 moves up and down, and wherein, described cutting knife 23 is arranged in the mounting groove of lower end of the second working arm 5, and this mounting groove runs through described upper fixture block 8 downwards; Down, the upper end of described lower fixture block 9 is provided with groove 9-1 in the position relative with cutting knife 23 to the blade of described cutting knife 23.Described actuating unit 24 is cylinder, and this cylinder is also fixed in described mounting groove.Promote cutting knife 23 by cylinder and move downward fiber 1 is cut off, the effect of the groove 9-1 on described lower fixture block 9 is, when cutting, fiber 1 in by clamping device, arranges this groove 9-1 and can prevent that blade from striking on lower fixture block 9 and causing damage.
Referring to Fig. 1, described vertical travel mechanism 15 is made up of cylinder, and the cylinder part of this cylinder is fixed in frame 16, and piston rod part is connected on support 12.Drive support 12 to move up and down by this cylinder, and then drive the fiber 1 of being clamped by the first clamp mechanism and the second clamp mechanism to move downward, be laid in powder bed.
Below in conjunction with accompanying drawing, the course of work of the fiber implanted device for selective laser sintering of the present utility model is described in detail:
Referring to Fig. 6, selective laser sintering device mainly comprises sintering equipment 27, power spreading device 26 and laser aid 25, its course of work is, power spreading device 26 is first to layer overlay powder in sintering equipment 27, then fiber implanted device is laid one deck fiber in powder bed, then power spreading device 26 repaves last layer powder, finally utilizes laser aid 25 to carry out laser sintered.
Before work, the first working arm 4 and the second working arm 5 are close together, and lay respectively at position A1 and B1; Conveying mechanism is delivered to fiber 1 between the first clamp mechanism and the fixture block of the second clamp mechanism, then the first clamp mechanism work, clamps the end of fiber 1, then the first transverse moving mechanism work, fiber 1 is pulled to the length of setting, now the first working arm 4 is positioned at position A2; Then the second clamp mechanism work, clamps fiber 1, and then shut-off mechanism work, cuts off fiber 1; Then the first transverse moving mechanism and the second transverse moving mechanism are worked simultaneously, will cut off and nipped fiber 1 is transferred to the top of sintered powder layer, and now the first working arm 4 is positioned at position A3, and the second working arm 5 is positioned at position B2; Last vertical travel mechanism 15 works, fiber 1 is delivered to downwards on sintered powder layer, now the first working arm 4 is positioned at position A4, the second working arm 5 is positioned at position B3, the first clamp mechanism and the second clamp mechanism are unclamped, fiber 1 rests on sintered powder layer, and vertical travel mechanism 15 moves upward, and realizes the implantation of fiber 1 in sintering process.
Above-mentioned is preferably embodiment of the utility model; but embodiment of the present utility model is not subject to the restriction of foregoing; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (10)
1. the fiber implanted device for selective laser sintering, it is characterized in that, comprise fiber conveying mechanism, the first working arm, the second working arm, support and vertical travel mechanism, wherein, the upper end of described the first working arm and the second working arm is connected with support with the second transverse moving mechanism by the first transverse moving mechanism respectively, the lower end of described the first working arm is provided with first clamp mechanism that can clamp and unclamp fiber, the lower end of described the second working arm is provided with second clamp mechanism that can clamp and unclamp fiber, the lower end of described the second working arm is also provided with the shut-off mechanism for cut staple, the stiff end of described vertical travel mechanism is connected with frame, and movable end is connected with described support.
2. the fiber implanted device for selective laser sintering according to claim 1, is characterized in that, described fiber conveying mechanism is made up of two pairs or more conveying roller.
3. the fiber implanted device for selective laser sintering according to claim 1 and 2, it is characterized in that, described the first transverse moving mechanism comprises motor, lead screw pair, slide block and chute, wherein, described chute is arranged in support, described slide block is matched with in chute, and the leading screw in described lead screw pair is connected with electric machine main shaft, and the feed screw nut in lead screw pair is arranged in slide block; The upper end of described the first working arm is connected on slide block.
4. the fiber implanted device for selective laser sintering according to claim 1 and 2, it is characterized in that, described the second transverse moving mechanism comprises motor, lead screw pair, slide block and chute, wherein, described slide block is matched with in chute, leading screw in described lead screw pair is connected with electric machine main shaft, and the feed screw nut in lead screw pair is arranged in slide block; The upper end of described the second working arm is connected on slide block.
5. the fiber implanted device for selective laser sintering according to claim 3, it is characterized in that, described the first clamp mechanism is made up of upper and lower two fixture blocks and telescoping mechanism, wherein, upper fixture block is fixed on the lower end of the first working arm, the lower fixture block below that is arranged at fixture block relatively, the stiff end of described telescoping mechanism is connected on fixture block, and movable end is connected on lower fixture block.
6. the fiber implanted device for selective laser sintering according to claim 4, it is characterized in that, described the second clamp mechanism is made up of upper and lower two fixture blocks and telescoping mechanism, wherein, upper fixture block is fixed on the lower end of the second working arm, the lower fixture block below that is arranged at fixture block relatively, the stiff end of described telescoping mechanism is connected on fixture block, and movable end is connected on lower fixture block.
7. the fiber implanted device for selective laser sintering according to claim 6, it is characterized in that, described shut-off mechanism comprises cutting knife and can promote the actuating unit that cutting knife moves up and down, wherein, described cutting knife is arranged in the mounting groove of lower end of the second working arm, and this mounting groove runs through described upper fixture block downwards; Down, the upper end of described lower fixture block is provided with groove in the position relative with cutting knife to the blade of described cutting knife.
8. the fiber implanted device for selective laser sintering according to claim 1, is characterized in that, described vertical travel mechanism is made up of cylinder, and the cylinder part of this cylinder is fixed in frame, and piston rod part is connected on support.
9. the fiber implanted device for selective laser sintering according to claim 3, is characterized in that, described the first clamp mechanism is cylinder.
10. the fiber implanted device for selective laser sintering according to claim 7, is characterized in that, the actuating unit in described shut-off mechanism is cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119924.9U CN203752535U (en) | 2014-03-17 | 2014-03-17 | Fiber implantation device for selective laser sintering (SLS) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119924.9U CN203752535U (en) | 2014-03-17 | 2014-03-17 | Fiber implantation device for selective laser sintering (SLS) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203752535U true CN203752535U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420119924.9U Expired - Fee Related CN203752535U (en) | 2014-03-17 | 2014-03-17 | Fiber implantation device for selective laser sintering (SLS) |
Country Status (1)
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| CN (1) | CN203752535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738967A (en) * | 2016-10-31 | 2017-05-31 | 山东大学 | The pre- implanters of desktop type z pin |
| CN108437456A (en) * | 2018-05-03 | 2018-08-24 | 湘潭大学 | A kind of arrangement apparatus and implementation for fiber-wall-element model in selective laser sintering powdering |
-
2014
- 2014-03-17 CN CN201420119924.9U patent/CN203752535U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738967A (en) * | 2016-10-31 | 2017-05-31 | 山东大学 | The pre- implanters of desktop type z pin |
| CN106738967B (en) * | 2016-10-31 | 2019-04-30 | 山东大学 | The pre- implanter of desktop type z-pin |
| CN108437456A (en) * | 2018-05-03 | 2018-08-24 | 湘潭大学 | A kind of arrangement apparatus and implementation for fiber-wall-element model in selective laser sintering powdering |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Effective date of registration: 20160725 Address after: 510000 room 2, building 527, North Science Park, South China University of Technology, Guangzhou, Tianhe District, Guangdong Patentee after: Guangzhou million Situo Mstar Technology Ltd Address before: 510665, room 46, 402 North Tai'an Road, Tianhe District, Guangdong, Guangzhou Patentee before: Yu Jinwen Patentee before: Ling Yi |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20180317 |
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| CF01 | Termination of patent right due to non-payment of annual fee |