CN113385941A - Material increasing and decreasing composite manufacturing device - Google Patents
Material increasing and decreasing composite manufacturing device Download PDFInfo
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- CN113385941A CN113385941A CN202110477647.3A CN202110477647A CN113385941A CN 113385941 A CN113385941 A CN 113385941A CN 202110477647 A CN202110477647 A CN 202110477647A CN 113385941 A CN113385941 A CN 113385941A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 title claims description 18
- 230000003247 decreasing effect Effects 0.000 title description 3
- 239000000843 powder Substances 0.000 claims abstract description 74
- 239000000654 additive Substances 0.000 claims abstract description 26
- 230000000996 additive effect Effects 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 25
- 230000007480 spreading Effects 0.000 claims description 21
- 238000003892 spreading Methods 0.000 claims description 21
- 238000004140 cleaning Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000003754 machining Methods 0.000 abstract description 4
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 description 13
- 239000002184 metal Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 230000001681 protective effect Effects 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses an additive and subtractive composite manufacturing device, which is characterized in that a working table plate structure is fixedly arranged in a forming chamber, a forming substrate capable of moving in the forming cylinder body is arranged in the forming cylinder body to form an additive manufacturing structure, a powder laying layer is formed between the upper end surface of the forming substrate and a through hole on the working table plate, a subtractive unit is arranged on the working table plate as the substrate structure through an XY working table, and subtractive processing of a part subjected to additive is performed by using the subtractive structure. Therefore, the whole machining process is carried out in the same coordinate system, and errors caused by coordinate transformation are avoided.
Description
Technical Field
The invention belongs to the technical field of additive manufacturing, and particularly relates to a material increasing and decreasing composite manufacturing device.
Background
The Selective Laser Melting (SLM) forming technology in the metal additive manufacturing technology has the advantages of high density of formed parts, high forming precision and stronger complex structure construction capability, and has wide application prospects in high-end fields such as aerospace, automobiles, high-end dies and medical treatment. However, in all current metal additive manufacturing technologies, the surface finish of the formed part cannot be directly used in the application occasions with the matching requirements. It is also necessary to machine the parts having the matching requirements by a material reduction method (such as turning, milling, grinding, etc.). However, in the conventional manufacturing equipment, the material adding process and the material reducing process are performed on different equipment. Therefore, the secondary clamping and repositioning brought about not only prolongs the overall processing time, but also brings about negative effects on the processing precision of finished parts.
Disclosure of Invention
The invention aims to provide an additive and subtractive composite manufacturing device, which overcomes the defects of the prior art, and can enable additive and subtractive processing to be carried out in the same coordinate system, thereby avoiding errors caused by coordinate transformation.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an increase and decrease material composite manufacturing device, including the shaping room, be fixed with the work platen in the shaping room, be equipped with coaxial through-hole with the lower extreme of shaping room on the work platen, the through-hole department lower extreme of shaping room is equipped with the shaping cylinder body, be equipped with the shaping base plate that can remove in the shaping cylinder body, form between the up end of shaping base plate and the through-hole on the work platen and spread the powder layer, install through XY workstation on the work platen and subtract the material unit, install the powder mechanism that spreads that can remove on the work platen, the lower extreme of powder mechanism and the upper surface parallel and level of work platen, the powder of spreading the powder mechanism upper band can be laid on the shaping base plate through the through-hole on the work platen, the upper end of shaping room is equipped with laser forming system, the shaping light beam of laser forming system can act on the powder layer of spreading on the shaping base plate.
Furthermore, a powder cleaning hole is formed in one side of the through hole of the working table plate, a powder collecting box hermetically connected with the bottom of the forming chamber is fixed at the lower end of the powder cleaning hole, and an upper port of the powder collecting box is aligned with the powder cleaning hole.
Further, the laser forming system is arranged in the forming chamber or arranged outside the upper end of the forming chamber.
Further, subtract the material unit including setting up the first line rail group on the work platen, be equipped with the crossbeam that can move on first line rail group on the first line rail group, the crossbeam is perpendicular with first line rail group, be fixed with the second line rail group rather than parallel arrangement on the crossbeam, be fixed with on the second line rail group and can organize gliding slide at the second line rail, be fixed with third line rail group on the slide, install on the third line rail group and can organize gliding saddle at the third line rail, install the main shaft on the saddle, install the cutter on the output shaft of main shaft.
Furthermore, the lower end of the sliding seat is provided with a first linear motor for driving the sliding seat to slide along the second linear rail set, and the bottom of the saddle is fixedly provided with a second linear motor for driving the saddle to move up and down on the third linear rail set.
Further, the saddle adopts L type structure.
Furthermore, first line rail group is installed on the work platen through the pad seat, still is equipped with fourth line rail group on the pad seat, spreads whitewashed mechanism and installs on fourth line rail group through spreading the powder slide, can slide on fourth line rail group, and the one end of fourth line rail group is fixed with spreads whitewashed driving motor, and the output shaft of spreading whitewashed driving motor is fixed with second drive screw, second drive screw with spread the transmission of powder slide.
Further, be equipped with ATC tool changing mechanism and cutter monitoring sensor on the work platen, ATC tool changing mechanism includes cutter storehouse and cutter holder, and the cutter holder sets up in the cutter storehouse through the pivot.
Furthermore, a substrate ejection device for supporting and controlling the forming substrate to move up and down in the forming cylinder is arranged in the forming cylinder.
Furthermore, a protective gas inlet is formed in one side wall of the forming chamber, a protective gas outlet is formed in the other side wall of the forming chamber, and the opening position of the protective gas inlet is higher than that of the protective gas outlet.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention relates to an additive and subtractive composite manufacturing device, which is characterized in that a working table plate structure is fixedly arranged in a forming chamber, a coaxial through hole is arranged on the working table plate and at the lower end of the forming chamber, a forming cylinder body is arranged at the lower end of the through hole of the forming chamber, a forming base plate capable of moving in the forming cylinder body is arranged in the forming cylinder body, an additive manufacturing structure is formed, a powder laying layer is formed between the upper end surface of the forming base plate and the through hole on the working table plate, meanwhile, a subtractive unit is arranged on an XY working table by using the working table plate as a base plate structure, and subtractive processing of a part after additive is carried out by using the subtractive structure. The invention can quickly produce parts with complex structures and has better surface finish, and does not need to be clamped again in the processes of material increase and material reduction, so that the whole processing process is carried out in the same coordinate system, thereby avoiding errors caused by coordinate transformation.
Furthermore, a powder cleaning hole is formed in one side of the through hole of the working table plate, and powder cleaning work is facilitated.
Furthermore, the material reducing unit adopts a linear rail group structure, the structure is simple, the linear rail group structure is matched to slide, and the machining precision is high.
Drawings
Fig. 1 is a schematic structural view of a forming table portion in an embodiment of the present invention.
Fig. 2 is a schematic diagram of an additive precision manufacturing unit according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of the ATC tool changing mechanism in the embodiment of the present invention in a closed state.
FIG. 4 is a schematic diagram showing the tool changing state of the ATC tool changer in the embodiment of the present invention.
FIG. 5 is a schematic view of a tool monitoring sensor used in an embodiment of the present invention.
FIG. 6 is a schematic view of a dual-pivot spindle used in an embodiment of the present invention.
In the figure, 101, the table plate; 102. an ATC tool changing mechanism; 103. a fourth set of line tracks; 104. a first track group; 105. a first drive screw; 106. a powder spreading mechanism; 107. a second drive screw; 108. a cross beam; 109. a second set of wire rails; 110. a slide base; 111. a third line rail group; 112. a second linear motor; 113. a saddle; 114. a first linear motor; 115. a main shaft; 116. a tool monitoring sensor; 117. a cutter; 201. a forming chamber; 202. a protective lens; 203. a laser forming system; 204. shaping the light beam; 205. a shielding gas inlet; 206. (ii) a 207. A metal powder; 208. molding a substrate; 209. forming a cylinder body; 210. forming a workpiece; 211. and (6) collecting the powder box.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1 and 2, the material-increasing and material-reducing composite manufacturing device comprises a forming chamber 201, a work table plate 101 is fixed in the forming chamber 201, a coaxial through hole is arranged on the work table plate 101 and at the lower end of the forming chamber 201, a forming cylinder 209 is arranged at the lower end of the through hole of the forming chamber 201, a forming substrate 208 capable of moving in the forming cylinder is arranged in the forming cylinder 209, a powder laying layer is formed between the upper end surface of the forming substrate 208 and the through hole on the work table plate 101, a material reducing unit is arranged on the work table plate 101 through an XY table, a powder laying mechanism 106 capable of moving on the work table plate 101 is arranged on the work table plate 101, the lower end of the powder laying mechanism 106 is flush with the upper surface of the work table plate 101 and can move along the surface of the work table plate 101, powder carried on the powder laying mechanism 106 can be laid on the forming substrate 208 through the through hole on the work table plate 101, a laser forming system is arranged at the upper end of the forming chamber 201, the forming light beam 204 of the laser forming system 203 can act on the powder laying layer on the forming substrate 208 to realize forming operation;
as shown in fig. 1, a shielding gas inlet 205 is disposed on one side wall of the forming chamber 201, a shielding gas outlet 206 is disposed on the other side wall of the forming chamber 201, an opening position of the shielding gas inlet 205 is higher than the shielding gas outlet 206 for preventing the metal powder from being lifted when the shielding gas is filled, the shielding gas entering from the inlet flows to the low-direction shielding gas outlet, and the shielding gas atmosphere is formed and the lifted dust is carried away.
A substrate ejection device is arranged in the forming cylinder 209 and used for supporting and controlling the forming substrate 208 to move up and down in the forming cylinder 209 so as to realize additive manufacturing layer cutting control, and the substrate ejection device adopts a hydraulic device, a pneumatic device or a lead screw transmission device and is used for enabling the forming substrate 208 to stably move up and down in the forming cylinder 209; the upper end of a forming cylinder 209 is hermetically connected with the lower end face of a forming chamber 201 to form a sealed forming space, in the sealed forming chamber 201, a powder spreading mechanism 106 moves along the surface of a workbench plate 101 to spread a layer of metal powder 207 with a thickness about equal to that of the top of a forming substrate 208 in the forming cylinder 209, the powder spreading mechanism 106 performs reciprocating powder spreading to finish one-time powder spreading or one-time powder spreading forming, and the powder spreading mechanism 106 moves to the other side of a through hole of the workbench plate 101 without influencing the metal powder forming on the forming substrate 208;
a powder cleaning hole is formed in one side of the through hole of the working table plate 101, a powder collecting box 211 hermetically connected with the bottom of the forming chamber 201 is fixed to the lower end of the powder cleaning hole, an upper port of the powder collecting box 211 is aligned with the powder cleaning hole, and after printing and forming are completed, redundant metal powder 207 is collected through the powder collecting box 211.
The laser forming system 203 is arranged in the forming chamber 201 or outside the upper end of the forming chamber 201, the laser forming system 203 is arranged in the forming chamber, and short-distance laser forming is performed, so that energy waste is avoided; the laser forming system 203 is disposed outside the upper end of the forming chamber 201 to avoid the influence of the metal powder, and the upper end of the forming chamber 201 is provided with a protective lens 202 to project a forming beam 204 onto the forming surface through the protective lens 202 to melt the metal powder in a predetermined region of the forming surface. Then, the molded substrate 208 is lowered by a predetermined layer thickness, and the above-described operations of powder spreading and melting by scanning are repeated. This is repeated until the forming member 210 is formed to a predetermined height. In order to prevent the metal powder 207 and the molded article 210 from being oxidized during the molding process, a protective gas 205 needs to be introduced into the molding chamber 201, and Ar or N2 is used as the protective gas 205.
The laser forming system 203 adopts an SLM forming process, and can perform near-net forming on parts with complex structures.
The material reducing unit adopts a numerical control material reducing system, the main shaft is controlled by the numerical control system to move along an X, Y, Z axis, and corresponding cutters and grinding tools are matched for precisely cutting the surface of a workpiece so as to obtain enough surface finish. Specifically, the material reducing unit comprises a first linear rail group 104 arranged on the work table plate 101, and the first linear rail group 104 comprises two linear rails arranged in parallel; a cross beam 108 capable of moving on the first line rail group 104 is arranged on the first line rail group 104, the cross beam 108 is perpendicular to the first line rail group 104, a second line rail group 109 arranged in parallel with the cross beam 108 is fixed on the cross beam 108, a sliding seat 110 capable of sliding on the second line rail group 109 is fixed on the second line rail group 109, a first linear motor 114 used for driving the sliding seat 110 to slide along the second line rail group 109 is arranged at the lower end of the sliding seat 110, a third line rail group 111 is fixed on the sliding seat 110, a saddle 113 capable of sliding on the third line rail group 111 is installed on the third line rail group 111, and a second linear motor 112 used for driving the saddle 113 to move up and down on the third line rail group 111 is fixed at the bottom of the saddle 113; the saddle 113 is arranged along the vertical direction, the saddle 113 adopts an L-shaped structure, the saddle 113 is provided with a main shaft 115, and an output shaft of the main shaft 115 is provided with a cutter 117;
First line rail group 104 is installed on table board 101 through the shoe, the shoe is stair structure, still be equipped with fourth line rail group 103 on the shoe, shop's powder mechanism 106 is installed on fourth line rail group 103 through spreading the powder slide, can slide on fourth line rail group 103, the one end of fourth line rail group 103 is fixed with spreads powder driving motor, the output shaft of spreading powder driving motor is fixed with second drive screw 107, second drive screw 107 with spread the transmission of powder slide, realize spreading the gliding purpose of powder slide on fourth line rail group 103, or adopt the cylinder, pneumatic cylinder direct drive spreads the powder slide and slides on fourth line rail group 103.
The spindle 115 provided on the saddle 113 of the present application employs a high-speed spindle, which is used in order to reduce adverse effects of cutting heat on a workpiece as much as possible. At the same time, small chips also reduce the damage to the powder bed. Because the SLM forming process is used by the additive processing unit, the processing allowance can be controlled to be about 0.1 mm. Therefore, the use of the high-speed spindle can also improve cutting efficiency and obtain better surface finish.
As shown in fig. 1, the fourth linear rail set 103 and the first linear rail set 104 are arranged in parallel, and the powder spreading driving motor on the fourth linear rail set 103 and the beam driving motor on the first linear rail set 104 are oppositely arranged on two sides, which is beneficial to the compactness of the whole structure.
Be equipped with ATC tool changing mechanism 102 and cutter monitoring sensor on the work platen 101, ATC tool changing mechanism 102 includes cutter storehouse and tool holder, and the tool holder sets up in the cutter storehouse through the pivot, and tool holder one side is equipped with the baffle for closed cutter storehouse, as shown in FIG. 3, ATC tool changing mechanism 102 closed state, when needs change the cutter, numerical control system control main shaft 115 parks in ATC tool changing mechanism 102 hatch door top. The ATC tool changer 102 door rotates open exposing the tools housed therein, see fig. 4. Then, the numerical control system controls the ATC tool changing mechanism 102 to be matched with the spindle 115 to complete the tool changing action. A non-contact tool monitoring sensor 116, see fig. 5, is used to monitor the wear of the tool 117 used, and when the cutting edge of the tool 117 is worn to a certain extent, a signal is sent to the system to request a tool change. The safety of the cutter and the workpiece is protected, and the safety and the stability of the system are improved.
The main shaft 115 adopts a double pendulum angle main shaft, as shown in fig. 6. And five-axis linkage machining can be realized by combining the front XY workbench. Therefore, the capability of the equipment for processing the complex curved surface can be expanded, the cutting efficiency can be improved, the surface smoothness of the complex curved surface can be effectively improved, the main shaft 115 adopts a universal interface and can be adapted to various cutters with the same interface, and various forming milling cutters or grinding heads can be used for processing the corresponding complex curved surface.
The forming cylinder 209 is detachably, hermetically and fixedly connected with the forming chamber 201, and is arranged in a replaceable manner, when one workpiece is completely formed, the forming cylinder 209, the forming substrate 208, the forming workpiece 210 and the metal powder 207 can be separated from the workbench plate 101, and then the forming cylinder can be exchanged with another forming cylinder assembly prepared in advance. The apparatus can now be directly entered into the process sequence without the need to recreate the atmosphere for the forming chamber 201. The exchanged forming cylinder assembly may then enter a powder cleaning facility to separate the metal powder 207 in the forming cylinder 209 from the formed workpiece 210.
The composite manufacturing equipment can adopt a process route of additive forming and subtractive processing ("additive → subtractive → … → additive → subtractive → complete processing"); a process route of additive forming followed by subtractive machining ("additive → subtractive → complete") may also be used.
The present invention is not limited to the above-described embodiments, and any other changes, modifications, substitutions, combinations, simplifications, etc., which do not depart from the spirit and principle of the present invention, should be construed as equivalents (e.g., other structures which do not change the relative motion) and are included in the scope of the present invention/inventions.
Claims (10)
1. A material increase and decrease composite manufacturing device is characterized by comprising a forming chamber (201), a working table plate (101) is fixed in the forming chamber (201), a coaxial through hole is formed in the working table plate (101) and the lower end of the forming chamber (201), a forming cylinder body (209) is arranged at the lower end of the through hole of the forming chamber (201), a forming base plate (208) capable of moving in the forming cylinder body is arranged in the forming cylinder body (209), a powder laying layer is formed between the upper end surface of the forming base plate (208) and the through hole in the working table plate (101), a material decrease unit is arranged on the working table plate (101) through an XY working table, a powder laying mechanism (106) capable of moving on the working table plate (101) is arranged on the working table plate (101), the lower end of the powder laying mechanism (106) is flush with the upper surface of the working table plate (101), powder carried on the powder laying mechanism (106) can be laid on the forming base plate (208) through the through hole in the working table plate (101), the upper end of the forming chamber (201) is provided with a laser forming system (203), and a forming light beam (204) of the laser forming system (203) can act on the powder laying layer on the forming substrate (208).
2. The material-increasing and material-decreasing composite manufacturing device according to claim 1, wherein a powder cleaning hole is formed in one side of the through hole of the working table plate (101), a powder collecting box (211) hermetically connected with the bottom of the forming chamber (201) is fixed to the lower end of the powder cleaning hole, and an upper port of the powder collecting box (211) is aligned with the powder cleaning hole.
3. The additive and subtractive composite manufacturing apparatus according to claim 1, wherein the laser forming system (203) is disposed within the forming chamber (201) or outside the upper end of the forming chamber (201).
4. The material-increasing and material-reducing composite manufacturing device is characterized in that the material-reducing unit comprises a first wire rail group (104) arranged on the workbench plate (101), a cross beam (108) capable of moving on the first wire rail group (104) is arranged on the first wire rail group (104), the cross beam (108) is perpendicular to the first wire rail group (104), a second wire rail group (109) arranged in parallel with the cross beam (108) is fixed on the cross beam (108), a sliding seat (110) capable of sliding on the second wire rail group (109) is fixed on the second wire rail group (109), a third wire rail group (111) is fixed on the sliding seat (110), a saddle (113) capable of sliding on the third wire rail group (111) is installed on the third wire rail group (111), a spindle (115) is installed on the saddle (113), and a cutter (117) is installed on an output shaft of the spindle (115).
5. The additive and subtractive composite manufacturing apparatus according to claim 4, wherein the lower end of the slide base (110) is provided with a first linear motor (114) for driving the slide base (110) to slide along the second linear rail group (109), and the bottom of the saddle (113) is fixed with a second linear motor (112) for driving the saddle (113) to move up and down on the third linear rail group (111).
6. The additive and subtractive composite manufacturing apparatus according to claim 4, in which the saddle (113) is of an L-shaped configuration.
7. The additive and subtractive composite manufacturing apparatus according to claim 4, wherein the first wire rail set (104) is mounted on the work table (101) through a pad, the pad is further provided with a fourth wire rail set (103), the powder spreading mechanism (106) is mounted on the fourth wire rail set (103) through a powder spreading slide seat and can slide on the fourth wire rail set (103), one end of the fourth wire rail set (103) is fixed with a powder spreading driving motor, an output shaft of the powder spreading driving motor is fixed with a second transmission screw (107), and the second transmission screw (107) is in transmission with the powder spreading slide seat.
8. The additive and subtractive composite manufacturing apparatus according to claim 1, wherein the work table (101) is provided with an ATC tool changer (102) and a tool monitoring sensor, the ATC tool changer (102) comprises a tool magazine and a tool holder, and the tool holder is disposed in the tool magazine through a rotating shaft.
9. The additive/subtractive composite manufacturing apparatus according to claim 1, wherein a substrate ejecting means for supporting and controlling the upward and downward movement of the molding substrate (208) in the molding cylinder (209) is provided in the molding cylinder (209).
10. The additive and subtractive composite manufacturing apparatus according to claim 1, wherein one side wall of the forming chamber (201) is provided with a shielding gas inlet (205), the other side wall of the forming chamber (201) is provided with a shielding gas outlet (206), and the opening position of the shielding gas inlet (205) is higher than the shielding gas outlet (206).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110477647.3A CN113385941A (en) | 2021-04-29 | 2021-04-29 | Material increasing and decreasing composite manufacturing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110477647.3A CN113385941A (en) | 2021-04-29 | 2021-04-29 | Material increasing and decreasing composite manufacturing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114632950A (en) * | 2022-03-17 | 2022-06-17 | 潍柴动力股份有限公司 | Material-increasing and material-decreasing composite manufacturing method for engine cylinder block |
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