CN213925020U - Laser cladding device for shield machine hob cutter ring - Google Patents
Laser cladding device for shield machine hob cutter ring Download PDFInfo
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- CN213925020U CN213925020U CN202022378879.7U CN202022378879U CN213925020U CN 213925020 U CN213925020 U CN 213925020U CN 202022378879 U CN202022378879 U CN 202022378879U CN 213925020 U CN213925020 U CN 213925020U
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- screw
- jaw chuck
- cladding
- commutator
- moving platform
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- 238000004372 laser cladding Methods 0.000 title claims abstract description 29
- 238000005253 cladding Methods 0.000 claims abstract description 35
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 15
- 230000005641 tunneling Effects 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 13
- 239000000843 powder Substances 0.000 description 7
- 238000005728 strengthening Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Laser Beam Processing (AREA)
Abstract
The utility model discloses a laser cladding device for shield constructs quick-witted hobbing cutter ring for the shield constructs machine tooling and uses. The shield tunneling machine hob cutter ring cladding device comprises a driving system and a cladding platform, wherein the driving system comprises an alternating current servo motor, an output shaft of the alternating current servo motor is connected with an input shaft of a planetary reducer, an output shaft of the planetary reducer is connected with a main shaft through a coupler, the main shaft and an output shaft of a commutator are respectively connected with two three-jaw chucks, the shield tunneling machine hob cutter ring is fixed on the three-jaw chucks, the cladding platform comprises a moving platform and a base, and the moving platform and the base are connected through a sliding rail. The automatic cladding device is simple in structure and convenient to install and operate, can clad cutterheads in two positions of the peripheral surface and the end surface, can reduce the complex operation and programming difficulty of an industrial robot, and effectively solves the problems that the cladding efficiency of a hob ring of a shield machine is low, the automation degree is low and the like.
Description
Technical Field
The utility model relates to a laser cladding device is particularly useful for the shield and constructs the laser cladding device that a hobbing cutter ring of machine tooling used.
Background
The shield machine is a special engineering machine for tunnel excavation and is widely used for tunnel engineering of subways, railways, highways, municipal works, hydroelectric power and the like, and the hob of the shield machine is used as a main cutting part in the tunnel excavation process and needs to be extruded and rubbed with rocks in the working process, so that the problems of easy abrasion and high consumption exist in the using process. The abrasion resistance of the hob is difficult to be greatly improved under the existing processing and strengthening process, and the laser cladding strengthening method is not popularized due to the immature hob cladding process and the like at present. The method has the advantages that the hobbing cutter ring is subjected to laser cladding, so that a wear-resistant and corrosion-resistant layer is formed on the surface of the hobbing cutter ring, huge economic and time losses can be saved, the service life of parts can be prolonged, the production cost is reduced, the method is an ideal strengthening method for improving the performance of the hobbing cutter ring of the shield tunneling machine, and an efficient and stable laser cladding device and a laser cladding method for the hobbing cutter ring of the shield tunneling machine are needed.
In the existing technology for carrying out laser cladding on the hob cutter ring, the hob cutter ring is static, only a six-axis robot moves, when the end face cladding is carried out, the circle center of the hob cutter ring needs to be found firstly, then the six-axis robot is programmed according to the circle center, the circle center of a cutter head is not easy to determine or the circle center is not accurate, the influence on the cladding quality is great, and the operation workload after the circle center is determined is also great. When the peripheral groove is cladded, the cladding can be manually rotated to the next groove after one groove is cladded, the automation cannot be realized, and the cladding efficiency is low.
Disclosure of Invention
Aiming at the defects of the technology, the laser cladding device for the hob ring of the shield machine is simple in structure, convenient to install and operate, capable of solving the problem of complex operation during automatic laser cladding of the hob ring in the prior art, high in accuracy of circle center determination, convenient to operate, good in cladding quality, high in automation degree and high in production efficiency
In order to realize the technical purpose, the laser cladding device for the hob cutter ring of the shield machine is matched with a six-axis robot and comprises a driving system and a cladding platform, wherein the driving system is arranged on the cladding platform,
the cladding platform comprises a moving platform and a base, wherein two parallel slide rails are arranged on the base, a screw driving device is arranged between the two parallel slide rails, and the section of the moving platform is matched with the two slide rails and is connected with the screw driving device to be driven by the screw driving device to slide on the two slide rails; the screw driving device comprises a screw which is arranged between the two sliding rails and is parallel to the two sliding rails, a bearing seat II and a bearing seat III are respectively arranged at two ends of the screw, two ends of the screw are respectively fixed with the moving platform through the bearing seats II and the bearing seats III, two sliding blocks are arranged on each sliding rail and are connected with the moving platform through bolts, the screw is connected with the moving platform through a lead screw nut arranged at the bottom of the moving platform, one end of the screw is connected with a stepping motor through a coupler II, the stepping motor conveys power to the screw through the coupler II and drives the moving platform to move on the sliding rails through the screw;
the driving system comprises an alternating current servo motor, a planetary reducer, a coupler I, a bearing seat I and a commutator, wherein the alternating current servo motor is arranged on the moving platform and is connected with the planetary reducer through an output shaft, the planetary reducer is connected with the commutator through the coupler I and the bearing seat I, a three-jaw chuck I is arranged in front of the commutator, a three-jaw chuck II is arranged above the commutator, and the front ends of the three-jaw chuck I and the three-jaw chuck II are used for being provided with a hob ring of the shield machine.
The bearing seat I is in transmission connection with the commutator through a main shaft, an output shaft of the planetary reducer is connected with the main shaft through a coupling I, the main shaft transmits power to the commutator through a key, and the main shaft and the output shaft of the commutator are respectively connected with the three-jaw chuck I and the three-jaw chuck II and drive the three-jaw chuck I and the three-jaw chuck II to rotate as required.
The three-jaw chuck I and the three-jaw chuck II are manual chucks or power chucks.
Has the advantages that:
the utility model discloses make hobbing cutter ring and six robots concerted motion, when cladding the end face to shield structure machine hobbing cutter ring, hobbing cutter ring rotates under the three-jaw chuck centre gripping, and six robots only do the feed motion from cutter ring outer lane to inner circle, therefore only need six robots from outer lane linear motion to inner circle can, need not accurate definite centre of a circle position, also need not carry out complicated operation and programming control to six robots; when the circumferential surface groove cladding is carried out, the six-axis robot performs feeding motion from one end of the groove to the other end of the groove, when the cladding of one groove is finished, the hob ring rotates to the next groove under the control of the alternating current servo motor, the automatic cladding can be realized, the design structure is simple, the cost is low, the cladding efficiency is high, and the installation and the operation are simple and convenient. The problems that in the prior art, complicated programming design is adopted when laser cladding is carried out on the hob ring, errors are caused by the fact that the accuracy of the circle center is poor, and the automation degree is low are effectively solved.
Drawings
Fig. 1 is a schematic structural diagram of the laser cladding device for the hob ring of the shield machine of the present invention;
FIG. 2 is an exploded pictorial illustration of a laser cladding apparatus drive system for a shield tunneling machine hob ring;
fig. 3 is an isometric view of a cladding platform;
FIG. 4 is an isometric view of a hob ring;
in the figure: 1-moving platform, 101-screw rod, 102-screw rod nut, 103-sliding block, 104-sliding rail, 105-bearing seat III, 106-bearing seat II, 2-three-jaw chuck I, 3-three-jaw chuck II, 4-six-shaft robot, 5-shield machine hob ring, 501-circumferential groove, 502-end surface, 6-base, 7-stepping motor, 8-coupler II, 9-screw, 10-alternating current servo motor, 11-driving planetary reducer, 12-coupler I, 13-bearing seat I, 14-commutator and 15-spindle.
The specific implementation mode is as follows:
the embodiments of the present invention will be further explained with reference to the accompanying drawings:
as shown in figure 1, the laser cladding device for the hob cutter ring of the shield machine of the utility model is matched with a six-axis robot 4 and comprises a driving system and a cladding platform, the driving system is arranged on the cladding platform,
as shown in fig. 3, the cladding platform includes a moving platform 1 and a base 6, two parallel slide rails 104 are arranged on the base 6, a screw driving device is arranged between the two parallel slide rails 104, and a section of the moving platform 1 is matched with the two slide rails 104 and is connected with the screw driving device to be driven by the screw driving device to slide on the two slide rails 104; the screw driving device comprises a screw 101 which is arranged between two sliding rails 104 and is parallel to the two sliding rails 104, two ends of the screw 101 are respectively provided with a bearing seat II 106 and a bearing seat III105, two ends of the screw 101 are respectively fixed with the moving platform 1 through the bearing seats II 106 and the bearing seats III105, the bearing seats II 106 and the bearing seats III105 are fixed through screws 9, each sliding rail 104 is provided with two sliding blocks 103, each sliding block 103 is connected with the moving platform 1 through a bolt, the screw 101 is connected with the moving platform 1 through a lead screw nut 102 arranged at the bottom of the moving platform 1, one end of the screw 101 is connected with a stepping motor 7 through a coupler II 8, the stepping motor 7 transmits power to the screw 101 through a coupler II 8, and the screw 101 drives the moving platform 1 to move on the sliding rails 104;
as shown in fig. 2, the driving system includes an ac servo motor 10 disposed on the moving platform 1, a planetary reducer 11, a coupling I12, a bearing seat I13 and a commutator 14, wherein the ac servo motor 10 is connected with the planetary reducer 11 through an output shaft, the planetary reducer 11 is connected with the commutator 14 through the coupling I12 and the bearing seat I13, the bearing seat I13 is in transmission connection with the commutator 14 through a main shaft 15, the output shaft of the planetary reducer 11 is connected with the main shaft 15 through the coupling I12, the main shaft 15 transmits power to the commutator 14 through a key, a three-jaw chuck I2 is disposed in front of the commutator 14, a three-jaw chuck II 3 is disposed above the commutator 14, and the front ends of the three-jaw chuck I2 and the three-jaw chuck II 3 are used for disposing the shield machine hob 5. The output shafts of the main shaft 15 and the commutator 14 are respectively connected with the three-jaw chuck I2 and the three-jaw chuck II 3, and drive the three-jaw chuck I2 and the three-jaw chuck II 3 to rotate according to requirements. The three-jaw chuck I2 and the three-jaw chuck II 3 are manual chucks or power chucks.
A laser cladding method of a laser cladding device of a shield tunneling machine hob ring comprises the following steps:
the method comprises the following steps: the outer surface of a shield machine hob cutter ring 5 to be processed is polished by abrasive paper, cleaned and dried, if the end surface 502 of the shield machine hob cutter ring 5 needs to be clad, the shield machine hob cutter ring 5 is horizontally clamped on a three-jaw chuck II 3, as shown in figure 4, if the peripheral groove 501 of the shield machine hob cutter ring 5 needs to be clad, the shield machine hob cutter ring 5 is vertically clamped on a three-jaw chuck I1, a stepping motor 7 is controlled to drive a screw 101 to rotate, a moving platform 1 reaches the working range of a six-axis machine, cladding powder is subjected to high-temperature drying treatment, and the cladding powder is cooled and then placed into a powder feeder for standby application; the cladding powder is iron-based composite powder with the granularity of 100-;
step two: carrying out cladding on the end surface 502 position of a hob ring 5 of a shield machine to be processed, firstly moving a six-axis robot 4 to the outer edge of the end surface 502 of the hob ring 5 of the shield machine by using a laser cladding head, then driving a three-jaw chuck II 3 to rotate at a set speed through an alternating current servo motor 10 for powder feeding cladding, and rotationally moving the three-jaw chuck II 3 at a speed matched with the laser cladding head until the cladding of the end surface 502 of the hob ring 5 of the shield machine is completed; the specific speed of matching the three-jaw chuck II 3 with the laser cladding head is that every time the three-jaw chuck II 3 drives the shield tunneling machine hob ring 5 to rotate for a circle at the speed of 0.16rad/s, the laser cladding head of the six-axis robot 4 moves linearly from the outer ring to the inner ring by 1.5mm along the shield tunneling machine hob ring 5;
step three: cladding a circumferential groove 501 of a shield machine hob ring 5 to be processed, moving a six-axis robot 4 to the edge of the circumferential groove 501 by using a laser cladding head, horizontally moving the laser cladding head of the six-axis robot 4 along the direction of the circumferential groove 501, and driving a three-jaw chuck I1 to drive the shield machine hob ring 5 to rotate to the angle of the next groove by using an alternating current servo motor 10 when the cladding of one groove is finished, wherein the rotation angle is 12 degrees until all the grooves of the circumferential groove 501 of the shield machine hob ring 5 are clad; the laser cladding process parameters used by the six-axis robot 4 are as follows: the laser power is 1400W, the scanning speed is 15mm/s, the powder feeding rate is 15g/min, the protective gas is nitrogen, and the lap joint rate is 50 percent;
step four: after the cladding of the hob cutter ring 5 of the shield tunneling machine is completed, the stepping motor 7 drives the screw 101 to rotate, so that the moving platform 1 is dragged to move along the track 104 in the direction away from the six-axis robot, and the hob cutter ring 5 of the shield tunneling machine is taken down.
Claims (3)
1. The utility model provides a laser cladding device for shield constructs quick-witted hobbing cutter ring, sets up its characterized in that with six robots (4) matching: it comprises a driving system and a cladding platform, the driving system is arranged on the cladding platform,
the cladding platform comprises a moving platform (1) and a base (6), two parallel sliding rails (104) are arranged on the base (6), a screw driving device is arranged between the two parallel sliding rails (104), and the section of the moving platform (1) is matched with the two sliding rails (104) and is connected with the screw driving device to be driven by the screw driving device to slide on the two sliding rails (104); the screw driving device comprises a screw (101) which is arranged between two sliding rails (104) and is parallel to the two sliding rails (104), two ends of the screw (101) are respectively provided with a bearing seat II (106) and a bearing seat III (105), two ends of the screw (101) are respectively fixed with a moving platform (1) through the bearing seats II (106) and the bearing seats III (105), each sliding rail (104) is provided with two sliding blocks (103), each sliding block (103) is connected with the moving platform (1) through a bolt, the screw (101) is connected with the moving platform (1) through a screw nut (102) arranged at the bottom of the moving platform (1), one end of the screw (101) is connected with a stepping motor (7) through a coupler II (8), and the stepping motor (7) conveys power to the screw (101) through the coupler II (8), the screw (101) drives the motion platform (1) to move on the slide rail (104);
the driving system comprises an alternating current servo motor (10) arranged on a moving platform (1), a planetary reducer (11), a shaft coupling I (12), a bearing seat I (13) and a commutator (14), wherein the alternating current servo motor (10) is connected with the planetary reducer (11) through an output shaft, the planetary reducer (11) is connected with the commutator (14) through the shaft coupling I (12) and the bearing seat I (13), a three-jaw chuck I (2) is arranged in front of the commutator (14), a three-jaw chuck II (3) is arranged above the commutator (14), and the front ends of the three-jaw chuck I (2) and the three-jaw chuck II (3) are used for being provided with a shield machine hob ring (5).
2. The laser cladding device for the shield tunneling machine hob ring according to claim 1, characterized in that: the bearing seat I (13) is in transmission connection with the commutator (14) through a main shaft (15), an output shaft of the planetary reducer (11) is connected with the main shaft (15) through a coupling I (12), the main shaft (15) transmits power to the commutator (14) through a key, the main shaft (15) and the output shaft of the commutator (14) are respectively connected with the three-jaw chuck I (2) and the three-jaw chuck II (3), and the three-jaw chuck I (2) and the three-jaw chuck II (3) are driven to rotate according to requirements.
3. The laser cladding device for the shield tunneling machine hob ring according to claim 1, characterized in that: the three-jaw chuck I (2) and the three-jaw chuck II (3) are manual chucks or power chucks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022378879.7U CN213925020U (en) | 2020-10-22 | 2020-10-22 | Laser cladding device for shield machine hob cutter ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022378879.7U CN213925020U (en) | 2020-10-22 | 2020-10-22 | Laser cladding device for shield machine hob cutter ring |
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| Publication Number | Publication Date |
|---|---|
| CN213925020U true CN213925020U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022378879.7U Active CN213925020U (en) | 2020-10-22 | 2020-10-22 | Laser cladding device for shield machine hob cutter ring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116043216A (en) * | 2023-01-14 | 2023-05-02 | 芜湖点金机电科技有限公司 | Plasma cladding equipment for metal parts |
-
2020
- 2020-10-22 CN CN202022378879.7U patent/CN213925020U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116043216A (en) * | 2023-01-14 | 2023-05-02 | 芜湖点金机电科技有限公司 | Plasma cladding equipment for metal parts |
| CN116043216B (en) * | 2023-01-14 | 2023-12-01 | 芜湖点金机电科技有限公司 | Plasma cladding equipment for metal parts |
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