CN115365554A - Quick forming machine tool for Yankee dryer groove - Google Patents
Quick forming machine tool for Yankee dryer groove Download PDFInfo
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- CN115365554A CN115365554A CN202211307112.2A CN202211307112A CN115365554A CN 115365554 A CN115365554 A CN 115365554A CN 202211307112 A CN202211307112 A CN 202211307112A CN 115365554 A CN115365554 A CN 115365554A
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- chuck
- drying cylinder
- supporting seat
- lead screw
- base
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/30—Milling straight grooves, e.g. keyways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a quick forming machine tool for a Yankee dryer groove, which comprises a base, a rotary table and a chuck, wherein a central upright post is arranged on the top surface of the rotary table, a supporting seat is arranged in the central upright post in a lifting manner, and a slot milling mechanism at the end part of the supporting seat is pushed to be close to the inner wall of a dryer by adopting a telescopic mechanism in the supporting seat; the top surface of the chuck is provided with at least three positioning mechanisms which comprise positioning clamps capable of being abutted against the outer wall of the drying cylinder. The invention adopts the mode that the drying cylinder does not rotate and the milling cutter rotates to realize the grooving treatment on the inner wall of the drying cylinder, thereby saving a large amount of kinetic energy, saving energy and improving the processing efficiency; the drying cylinder can be quickly moved to the central position of the chuck by matching the synchronous compaction of a plurality of positioning clamps through the supporting roller which can freely move and rotate in a plane; the drying cylinder can be lifted before and after processing, the discharging and feeding of the drying cylinder by the crown block are facilitated due to the existence of the distance, the preparation is shortened often, and the processing efficiency of the drying cylinder is improved.
Description
Technical Field
The invention relates to the technical field of Yankee dryer processing, in particular to a rapid forming machine tool for a Yankee dryer groove.
Background
As one of the key technologies in high-speed paper machine production, yankee dryers are usually made of cast iron, of the type having a large diameter, typically 3000-7500mm in diameter, typically 2400-6500 mm in width, and a mass which can range from a few tons up to tens of tons. During the operation of the high-speed paper machine, high-temperature steam is introduced into the Yankee dryer so as to dry the external paper. At present, in order to increase the heat transfer area of a cylinder body, a Yankee drying cylinder is internally provided with a groove.
Aiming at the special groove structure of the Yankee dryer and the Chinese patent with the patent publication number CN113714522A, the processing method of the groove of the steel Yankee dryer is provided, and comprises the following steps: firstly, mounting a steel Yankee dryer on a bearing seat, and then connecting a driving device with a rotating shaft of the steel Yankee dryer through a universal shaft; secondly, installing a tool rest for cutting a groove of the steel Yankee dryer at the side wall of the steel Yankee dryer; thirdly, adjusting the cutter according to the required groove dimension; fourthly, moving the cutter to a proper position on the side wall of the steel Yankee dryer; and fifthly, adjusting the feeding amount of the cutter to be 0.5mm per time, and adjusting the rotating linear speed of the processed steel Yankee dryer to be 200m/min, thereby carrying out ditching treatment on the steel Yankee dryer.
At present, the equipment that adopts to the inside processing slot of dryer among the prior art generally is large-scale numerical control lathe, and after the workstation central point that puts at the lathe and the cutter location when the dryer, thereby the workstation drives the dryer and rotates and realize handling the ditching groove of dryer inner wall through the cutter, nevertheless because dryer self has great quality, the inconvenience of its transfer leads to being difficult to realize the accurate position that falls on the workstation fast, simultaneously because the big quality of equipment itself, the steady operation that the course of working could be satisfied to the lathe need consume very big kinetic energy.
Disclosure of Invention
The invention aims to provide a quick forming machine tool for a Yankee dryer groove, which has the advantages of saving kinetic energy, quick positioning and quick and convenient feeding and discharging.
The invention is realized by the following technical scheme:
a quick forming machine tool for a Yankee dryer groove comprises a base, a rotary table rotating at the center of the base and a chuck erected outside the rotary table, wherein the chuck is annular and fixed on the base; the top surface of the turntable is provided with a central upright post, a supporting seat is arranged in the central upright post in a lifting manner, a groove milling mechanism at the end part of the supporting seat is pushed to be close to the inner wall of the drying cylinder by adopting a telescopic mechanism in the supporting seat, and a groove is milled in the inner wall of the drying cylinder; the top surface of the chuck is provided with at least three positioning mechanisms, and the positioning mechanisms comprise positioning fixtures moving along the radial direction of the chuck to abut against the outer wall of the drying cylinder.
Further setting the following steps: the top surface of the chuck is provided with at least three moving mechanisms for jointly adjusting the position of the drying cylinder before processing, and the moving mechanisms and the positioning mechanisms are distributed in a staggered manner; the moving mechanism comprises a base plate which is lifted on the upper surface of the base, a fixed table slides on the upper surface of the base plate along the radial direction of the chuck, and a round frame is rotatably arranged on the fixed table and a plurality of supporting rollers which are parallel to each other are erected in the round frame.
Further setting the following steps: the moving mechanism also comprises a placing groove arranged on the top surface of the chuck, the substrate and the fixed platform are positioned in the placing groove, the round frame is provided with separating end plates at two ends of the supporting roll, and the base is internally provided with a power oil cylinder for pushing the substrate to lift; when the substrate rises, the highest point of the supporting roller is higher than the top surface of the chuck; when the base plate descends, the highest point of the separation end plate is lower than the top surface of the chuck.
Further setting the following steps: the fixed station is provided with a reset tension spring, the reset tension spring is connected with the fixed station and the round frame, one end of the fixed station extends to the outer side of the chuck, and the handle is installed at the end part of the fixed station.
Further setting the following steps: the positioning mechanism further comprises an adjusting lead screw, the adjusting lead screw is located in the chuck, the thread penetrates through the positioning fixture, and one end of the adjusting lead screw is connected with an adjusting motor through a torque-limiting coupling in a transmission mode.
Further setting the following steps: the telescopic mechanism comprises a plurality of transverse seats which are overlapped up and down, a radial lead screw and a radial motor; the transverse seat directly contacted with the supporting seat and the supporting seat are driven to slide on the supporting seat through a transmission mode of a radial lead screw and a radial motor; wherein, thereby also through radial lead screw and radial motor's transmission mode between two horizontal seats of mutual contact promote two horizontal seats relative slip.
Further setting the following steps: the inside of center pillar is provided with axial lead screw, and the top is provided with axial motor, and axial lead screw thread passes the supporting seat, and axial motor passes through the horizontal seat of axial lead screw drive and goes up and down.
Further setting the following steps: one end of the supporting seat, which deviates from the milling groove mechanism, is provided with a balance table, and a plurality of auxiliary wheels which slide along the outer wall of the central upright post are arranged on the balance table.
Further setting the following steps: the slot milling mechanism comprises a cutter seat, wherein one side of the cutter seat is provided with a milling cutter, the other side of the cutter seat is provided with a power motor and a gearbox, and the power motor can drive the milling cutter to rotate through the gearbox.
Further setting the following steps: a servo motor for driving the turntable to rotate is arranged in the base.
In conclusion, the beneficial technical effects of the invention are as follows:
(1) The milling cutter is driven by the turntable to rotate in a winding way, and the outer wall of the drying cylinder is clamped by the positioning fixture, so that the mode that the rotating cutter of the drying cylinder does not rotate in the traditional processing is changed, the structures such as the milling cutter with lighter weight are pushed to rotate, a large amount of kinetic energy of a machine tool can be saved, not only is energy saved, but also the preparation time is shortened, and the processing efficiency is improved;
(2) The supporting roller which can freely move and rotate in the plane is adopted, and the synchronous moving and pressing of a plurality of positioning clamps are matched, so that the drying cylinder is quickly positioned, the drying cylinder is pushed to quickly move to the central position of the chuck, and the subsequent processing is facilitated;
(3) The telescopic slot milling mechanism can be completely accommodated in a cylindrical space occupied by the turntable, so that the drying cylinder can be conveniently charged and discharged;
(4) After the position of the drying cylinder on the chuck is accurately positioned, the milling cutter can quickly carry out tool setting, so that the drying cylinder can quickly enter a ditching groove for treatment, and the processing efficiency of the drying cylinder is further improved;
(5) The drying cylinder is pushed to be lifted up at the chuck through the lifting of the supporting roller, so that a space is generated between the drying cylinder and the surface of the chuck, and the existence of the space is convenient for an operator to operate the crown block to unload and load the drying cylinder.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the present invention;
fig. 4 is a partially enlarged view of portion B of fig. 3.
Reference numerals are as follows: 1. a base; 2. a turntable; 3. a chuck; 4. a central upright post; 5. a supporting base; 51. a transverse seat; 53. a radial lead screw; 54. a radial motor; 55. an axial lead screw; 56. an axial motor; 57. a balancing table; 58. an auxiliary wheel; 6. positioning a fixture; 61. adjusting the lead screw; 62. a torque-limiting coupling; 63. adjusting the motor; 7. a substrate; 71. a fixed table; 72. a round frame; 73. a support roller; 74. a placing groove; 75. a partition end plate; 76. a power cylinder; 77. a return tension spring; 78. a handle; 8. a tool holder; 81. a milling cutter; 82. a power motor; 83. a gearbox; 9. a servo motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Referring to fig. 1 and 3, the quick forming machine for the yankee dryer groove disclosed by the invention comprises a disc-shaped base 1, wherein a turntable 2 is rotatably arranged at the center of the top surface of the base 1 around the axis of the base. A servo motor 9 is fixed in the base 1, and the servo motor 9 drives the turntable 2 to rotate in a bevel gear meshing transmission mode. The top surface of the base 1 is also fixed with a chuck 3, the chuck 3 is in a ring shape, and the chuck 3 is positioned outside the turntable 2 and is concentric with the turntable 2.
The top surface of the turntable 2 is fixed with a central upright post 4, the middle part of the central upright post 4 is a through structure, and a supporting seat 5 is arranged at the position in a lifting way. In order to realize the lifting of the supporting seat 5, two rotatable axial lead screws 55 are vertically arranged inside the central upright column 4, and the two axial lead screws 55 respectively penetrate through the threads on the two sides of the supporting seat 5. Two axial motors 56 are fixed at the top end of the central upright post 4, and the two axial motors 56 are respectively in transmission connection with the corresponding axial lead screws 55 through couplers. Two axial motors 56 adopt the mode of synchronous start-stop to drive horizontal seat 51 through axial lead screw 55 and realize steady lift.
Referring to fig. 3 and 4, the supporting base 5 is provided with a telescopic mechanism, and the telescopic mechanism includes a plurality of transverse bases 51, a radial lead screw 53 and a radial motor 54 which are overlapped up and down. The number of the cross braces 51 can be selected according to the required processing diameter of the actual yankee dryer (hereinafter referred to as "dryer"), and in the present embodiment, the number of the cross braces 51 is preferably two. The two transverse seats 51 are both located above the support base 5 and are respectively marked as a first transverse seat 51 and a second transverse seat 51 from top to bottom. In this embodiment, the second lateral seat 51 is directly contacted with the supporting seat 5, and the second lateral seat 51 can slide on the supporting seat 5 along the length direction thereof, so that a radial lead screw 53 and a radial motor 54 for driving the radial lead screw 53 to rotate are rotatably disposed inside the supporting seat 5. The first lateral base 51 is slidable along the length of the second lateral base 51, so that the second lateral base 51 is also rotatably provided therein with a radial screw 53 and a radial motor 54 fixed thereto for driving the radial screw 53 to rotate. The two cross seats 51 and the support seat 5 are kept parallel to the surface of the chuck 3.
Referring to fig. 1, a groove milling mechanism is further disposed at an end of the first horizontal base 51, the groove milling mechanism includes a cutter base 8 fixed on the first horizontal base 51, a power motor 82 and a gearbox 83 are further fixed on the first horizontal base 51, a milling cutter 81 is rotatably disposed in the cutter base 8, and after the power motor 82 is started, the milling cutter 81 in the cutter base 8 can be driven to rotate through the gearbox 83. The telescopic mechanism on the supporting seat 5 can drive the slot milling mechanism to realize the telescopic action, when the machine is stopped, the telescopic mechanism is folded, and the slot milling mechanism is accommodated at a position close to the central upright post 4, so that the drying cylinder can conveniently feed or discharge materials; during operation, thereby telescopic machanism expandes to promote groove milling mechanism and be close to the dryer inner wall to the slot is milled at the dryer inner wall to the convenience. In the groove milling process, the turntable 2 can drive the milling cutter 81 to rotate along the inner wall of the drying cylinder, so that the grooving process is completed. When a complete groove is formed in each circle, the supporting seat 5 drives the milling cutter 81 to descend to form the next circle of groove continuously. In the process, the drying cylinder does not rotate, and the tool holder 8 carries the milling cutter 81 in rotation.
Referring to fig. 4, in order to maintain the balance of the milling cutter 81, a balance table 57 is fixed to an end of the support base 5 away from the milling cutter mechanism, a plurality of auxiliary wheels 58 are provided on the balance table 57, an outer wall of the auxiliary wheel 58 can abut against a side surface of the center post 4, the auxiliary wheels 58 can assist the balance table 57 to slide on the side of the center post 4 when the support base 5 slides up and down, and the whole operation of the milling cutter mechanism is effectively maintained to be stable by the gravity of the balance table 57 and the supporting force of the auxiliary wheels 58.
The top surface of the chuck 3 is provided with at least three positioning mechanisms and at least three moving mechanisms, the position before the drying cylinder processing can be effectively adjusted through the linkage of the moving mechanisms, and the position in the drying cylinder processing can be effectively fixed through the linkage of the positioning mechanisms. The positioning mechanism and the moving mechanism are distributed in a staggered mode. In the present embodiment, the positioning mechanism and the moving mechanism are preferably four.
Referring to fig. 1, the positioning mechanism includes a positioning fixture 6, an adjusting screw 61, a torque-limiting coupling 62 and an adjusting motor 63, a groove is formed in the upper surface of the chuck 3 along the radial direction of the upper surface, the bottom end of the positioning fixture 6 is located in the groove of the chuck 3 and moves along the radial direction of the chuck 3, and the top end of the positioning fixture 6 is located outside the chuck 3 to abut against the outer wall of the drying cylinder. An adjusting screw 61 is rotatably arranged in the groove, and the adjusting screw 61 penetrates through the bottom of the positioning fixture 6 in a threaded manner. An adjusting motor 63 is fixed on the outer wall of the chuck 3, and the adjusting motor 63 is in transmission connection with an adjusting screw 61 through a torque-limiting coupling 62. After the adjusting motor 63 is started, the positioning clamps 6 can be driven to approach to the center of the chuck 3 to tightly abut against the outer wall of the drying cylinder, the four positioning clamps 6 can realize quick positioning of the drying cylinder in synchronous movement, and when the abutting force is larger than the upper limit of the torque limiting coupler 62, the adjusting motor 63 stops and keeps in a static state.
Referring to fig. 1, 2 and 3, the moving mechanism includes a placing groove 74 formed on the chuck 3, the substrate 7 is disposed on the upper surface of the base 1 in a lifting manner, the substrate 7 moves in the corresponding placing groove 74, a power cylinder 76 for pushing the substrate 7 to lift is installed in the base 1, and two power cylinders 76 are provided below each substrate 7. This enables smooth lifting of the cylinder due to the stronger driving force of the power cylinder 76. A fixed table 71 is slid on the upper surface of the base plate 7, the fixed table 71 is slid along the radial direction of the chuck 3, a circular frame 72 is rotatably arranged on the upper end surface of the fixed table 71, and a plurality of supporting rollers 73 which are parallel to each other are rotatably arranged in the circular frame 72. The supporting roller 73 can rotate by itself and can rotate along with the round frame 72, the degree of freedom is large, the supporting roller 73 is used for assisting the drying cylinder to move when the position of the drying cylinder is adjusted, friction is reduced in a rotating mode, and the drying cylinder is convenient to transfer. On the round frame 72, partition end plates 75 are fixed at both ends of the support rollers 73, and the height of the partition end plates 75 is higher than that of the support rollers 73. Separating the end plate 75 prevents the cylinder from coming off the support roller 73. A reset tension spring 77 is installed on the fixed table 71, the reset tension spring 77 is connected with the fixed table 71 and the round frame 72, one end of the fixed table 71 extends to the outer side of the chuck 3, a handle 78 is installed at the end of the fixed table 71, and the handle 78 facilitates manual adjustment of the position of the fixed table 71 on the chuck 3. When the base plate 7 descends and the drying cylinder leaves the supporting roller 73, the round frame 72 can be reset by the reset tension spring 77.
When the dryer passes through the hoisting of overhead traveling crane in the factory building and prepares to shift to chuck 3 on, base plate 7 rises, and the highest point of backing roll 73 is higher than the top surface of chuck 3 this moment, thereby makes backing roll 73 can accurate support in the dryer bottom through the position of manual regulation fixed station 71. But now the cylinder can be displaced stepwise to the central position of the rotating disc 2 by means of the thrust of the positioning clamps 6, since the cylinder is not positioned coaxially with the rotating disc 2. Then the base plate 7 descends, and the highest point of the separation end plate 75 is lower than the top surface of the chuck 3, so that the preparation work is finished, and the subsequent tool setting is waited. Compared with the traditional lathe which needs tool setting in a three-dimensional space, the tool setting method has the advantages that whether the distance between the milling cutter 81 and the inner wall of the drying cylinder is proper or not only needs to be determined in the tool setting process, and accordingly the tool setting process is shortened.
The complete working principle of the invention is as follows: when the drying cylinder is transferred to the chuck 3 by adopting a crown block, the bottom of the drying cylinder is supported by a plurality of supporting rollers 73, when a plurality of positioning clamps 6 simultaneously approach the drying cylinder and abut against the outer wall of the drying cylinder, the drying cylinder can gradually move to the central position of the chuck 3, so that the quick positioning is realized, the supporting rollers 73 fall and leave the drying cylinder, and the drying cylinder is supported by the chuck 3 at the bottom; the telescopic mechanism drives the milling cutter 81 to extend to a preset distance, the turntable 2 drives the milling cutter 81 to rotate along the circumferential direction of the drying cylinder, the milling cutter 81 directly performs grooving on the inner part of the drying cylinder, after each circle of grooving is finished, the supporting seat 5 drives the milling cutter 81 to descend, and the steps are repeated until the grooving is finished; finally, the drying cylinder is lifted up again through the supporting roller 73, so that the worker can conveniently install the hook on the crown block at the bottom of the drying cylinder, and the processed drying cylinder is transferred again.
The above description is only a preferred embodiment of the present invention, and does not limit the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a quick forming lathe of Yankee dryer slot which characterized in that: the device comprises a base (1), a rotary table (2) rotating at the center of the base (1) and a chuck (3) erected outside the rotary table (2), wherein the chuck (3) is annular and fixed on the base (1);
the top surface of the turntable (2) is provided with a central upright post (4), a supporting seat (5) is arranged in the central upright post (4) in a lifting manner, a telescopic mechanism is adopted in the supporting seat (5) to push a groove milling mechanism at the end part of the supporting seat to be close to the inner wall of the drying cylinder, and a groove is milled in the inner wall of the drying cylinder;
the top surface of the chuck (3) is provided with at least three positioning mechanisms, and the positioning mechanisms comprise positioning fixtures (6) moving along the radial direction of the chuck (3) to be tightly propped against the outer wall of the drying cylinder.
2. A rapid prototyping machine as claimed in claim 1 in which: the top surface of the chuck (3) is provided with at least three moving mechanisms for jointly adjusting the position of the drying cylinder before processing, and the moving mechanisms and the positioning mechanisms are distributed in a staggered manner;
the moving mechanism comprises a base plate (7) lifted on the upper surface of the base (1), a fixed table (71) slides on the upper surface of the base plate (7) along the radial direction of the chuck (3), a round frame (72) is rotatably arranged on the fixed table (71), and a plurality of supporting rollers (73) which are parallel to each other are erected in the round frame (72).
3. A rapid prototyping machine as claimed in claim 2 in which: the moving mechanism further comprises a placement groove (74) formed in the top surface of the chuck (3), the base plate (7) and the fixed platform (71) are located in the placement groove (74), the two ends of the supporting roller (73) on the round frame (72) are provided with separating end plates (75), and a power oil cylinder (76) for pushing the base plate (7) to lift is arranged in the base (1);
when the substrate (7) rises, the highest point of the supporting roller (73) is higher than the top surface of the chuck (3);
when the base plate (7) descends, the highest point of the separation end plate (75) is lower than the top surface of the chuck (3).
4. A rapid prototyping machine as claimed in claim 2 in which: the fixing table (71) is provided with a reset tension spring (77), the reset tension spring (77) is connected with the fixing table (71) and the round frame (72), one end of the fixing table (71) extends to the outer side of the chuck (3), and the end part of the fixing table is provided with a handle (78).
5. A rapid prototyping machine as claimed in claim 1 in which: the positioning mechanism further comprises an adjusting lead screw (61), the adjusting lead screw (61) is located in the chuck (3) and penetrates through the positioning fixture (6) in a threaded mode, and one end of the adjusting lead screw (61) is connected with an adjusting motor (63) through a torque limiting coupler (62) in a transmission mode.
6. A rapid prototyping machine as defined in claim 1 for a yankee dryer cylinder groove wherein: the telescopic mechanism comprises a plurality of transverse seats (51) which are overlapped up and down, a radial lead screw (53) and a radial motor (54);
wherein, the transverse seat (51) is pushed to slide on the supporting seat (5) by the transmission mode of a radial lead screw (53) and a radial motor (54) between the transverse seat (51) directly contacted with the supporting seat (5) and the supporting seat (5);
the two transverse seats (51) which are mutually contacted push the two transverse seats (51) to slide relatively through the transmission mode of the radial lead screw (53) and the radial motor (54).
7. A rapid prototyping machine as claimed in claim 6 in which: an axial lead screw (55) is arranged in the central upright column (4), an axial motor (56) is arranged at the top end of the central upright column, the axial lead screw (55) penetrates through the supporting seat (5) in a threaded manner, and the axial motor (56) drives the transverse seat (51) to lift through the axial lead screw (55).
8. A rapid prototyping machine as claimed in claim 7 for yankee dryer cylinder trough, wherein: one end of the supporting seat (5) departing from the milling groove mechanism is provided with a balance table (57), and the balance table (57) is provided with a plurality of auxiliary wheels (58) which slide along the outer wall of the central upright post (4).
9. A rapid prototyping machine as defined in claim 1 for a yankee dryer cylinder groove wherein: the slot milling mechanism comprises a cutter seat (8), wherein one side of the cutter seat (8) is provided with a milling cutter (81), the other side of the cutter seat is provided with a power motor (82) and a gearbox (83), and the power motor (82) can drive the milling cutter (81) to rotate through the gearbox (83).
10. A rapid prototyping machine as claimed in claim 1 in which: a servo motor (9) for driving the turntable (2) to rotate is arranged in the base (1).
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CN117600536A (en) * | 2023-03-27 | 2024-02-27 | 北京凌空天行科技有限责任公司 | Carrier rocket cabin section inner wall processing device |
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