CN110653535A - Automatic preparation system for babbitt metal on surface of bearing bush of large-scale generator - Google Patents

Automatic preparation system for babbitt metal on surface of bearing bush of large-scale generator Download PDF

Info

Publication number
CN110653535A
CN110653535A CN201910961980.4A CN201910961980A CN110653535A CN 110653535 A CN110653535 A CN 110653535A CN 201910961980 A CN201910961980 A CN 201910961980A CN 110653535 A CN110653535 A CN 110653535A
Authority
CN
China
Prior art keywords
base
welding
operation room
welding robot
side baffle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910961980.4A
Other languages
Chinese (zh)
Inventor
徐睦忠
田井成
乔宏来
贾瑞燕
魏方锴
曹龙川
欧阳孔良
吴彦军
张小迪
周亚信
李景
孙乃明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Electric Machinery Co Ltd
Original Assignee
Harbin Electric Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin Electric Machinery Co Ltd filed Critical Harbin Electric Machinery Co Ltd
Priority to CN201910961980.4A priority Critical patent/CN110653535A/en
Publication of CN110653535A publication Critical patent/CN110653535A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/006Safety devices

Abstract

The invention discloses an automatic preparation system for babbitt metal on the surface of a large-scale generator bearing bush, which consists of an operation room, an industrial welding robot control cabinet, an industrial welding robot with a base, a welding machine system, a wire feeding pipe support, a first welding operation table, a second welding operation table, a gun cleaning and wire cutting device, a first camera, a second camera, a monitoring display screen, a first grating, a second grating, an external control device and a three-color indicator lamp.

Description

Automatic preparation system for babbitt metal on surface of bearing bush of large-scale generator
The technical field is as follows:
the invention relates to the field of electric generator product tile part surface babbitt metal welding, in particular to an automatic welding preparation system for babbitt metal on the surface of a large-scale electric generator bearing bush.
Background art:
the bearing bush is an important component of a bearing and is used for supporting a shaft and an on-shaft part, ensuring the rotation precision of the shaft and reducing the friction between the shaft and the on-shaft part, and the typical structure of the bearing bush of the large-scale generator is shown in figures 1, 2, 3 and 4. In order to improve the wear resistance of the bearing shell, a layer of babbitt metal is usually prepared on the surface of the bearing shell.
The traditional production process of the bearing bush surface Babbitt metal layer mainly adopts two modes of static casting and centrifugal casting, and due to the characteristics that the melting point of a Babbitt metal material is low and the densities of three intermetallic compounds are different during crystallization, the Babbitt metal layer obtained by centrifugal casting or static casting has the problems of component segregation, low bonding strength, more surface defects and the like, and in addition, the casting process is complicated in procedure, extremely low in automation degree and unstable in product quality.
In recent years, a process for realizing babbitt metal welding preparation on the surface of a bearing bush by adopting a CMT cold metal transition technology is developed in the industry, the problems of component segregation, low bonding strength, more surface defects and the like are basically solved, but more problems still exist in a manual welding or semi-automatic welding mode, such as low production efficiency, high labor intensity of workers, severe production environment, poor product quality consistency and the like.
The invention content is as follows:
the invention aims to provide an automatic preparation system for babbitt metal on the surface of a large-scale generator bearing bush, which realizes the intelligent preparation of babbitt metal on the surface of the large-scale generator bearing bush, improves the production efficiency, reduces the labor intensity, improves the production environment and realizes high-quality and batch production. The technical scheme of the invention is as follows:
the automatic wire cutting machine is composed of an operation room (1), a power distribution cabinet (2), an industrial welding robot control cabinet (3), an industrial welding robot (4) with a base, a welding machine system (6), a wire feeding pipe support (7), a first welding operation table (8), a second welding operation table (9), a gun cleaning and wire cutting device (10), a first camera (11), a second camera (12), a monitoring display screen (13), a first grating (14), a second grating (15), an external control device (16) and a three-color indicator lamp (17); the industrial welding robot control cabinet (3) is arranged in the operation room (1) and is 300-600 mm away from a back side baffle (18) of the operation room (1) and 300-600 mm away from a right side baffle (20) of the operation room (1); the base of an industrial welding robot (4) with a base is arranged in the center of the operation room (1); the welding machine system (6) is arranged in the operation room (1) and is 300-600 mm away from a back side baffle (18) of the operation room (1) and 400-1000 mm away from a left side baffle (19) of the operation room (1); a wire feeding pipe bracket (7) is arranged between the welding machine system (6) and the industrial welding robot (4) with the base; the first welding operation platform (8) is arranged on the right side of the base of the industrial welding robot (4) with the base, and the distance between the center of the first welding operation platform (8) and the center of the base of the industrial welding robot (4) with the base is 1000-1500 mm; the second welding operation platform (9) is arranged right in front of the base of the industrial welding robot (4) with the base, and the distance between the center of the second welding operation platform (9) and the center of the base of the industrial welding robot (4) with the base is 1000-1500 mm; the gun cleaning wire shearing device (10) is arranged on the left side of the base of the industrial welding robot (4) with the base, and the distance between the center of the gun cleaning wire shearing device (10) and the center of the base of the industrial welding robot (4) with the base is 800-1500 mm; the first grating (14) is arranged on the left side of the entrance of the operation room (1), and the second grating (15) is arranged on the right side of the entrance of the operation room (1); the power distribution cabinet (2) is arranged outside the operation room (1); the external control device (15) is arranged outside the operation room (1); the monitoring display screen (13) is arranged outside the operation room (1); the three-color indicator light (17) is arranged above the monitoring display screen (13); all components of the large-scale generator bearing bush surface babbitt metal automatic preparation system are connected in series through cables to realize power supply and mutual communication, and all the cables are arranged through wire grooves.
Furthermore, the automatic preparation system for babbit metal on the surface of the large-scale generator bearing bush comprises an operation room (1) which is of an integrated structure of a rear side baffle (18), a left side baffle (19), a right side baffle (20), an upper ceiling (21) and a front end rolling curtain door (22), wherein a smoke discharging and dust removing air outlet (23) and a wire slot opening (24) are reserved in the rear side baffle (18), the left side baffle (19), the right side baffle (20) and the upper ceiling (21) freely stretch along a rail in the depth direction of the operation room, after the left side baffle (19), the right side baffle (20) and the upper ceiling (21) are unfolded, the width of the operation room (1) is 4500-6000 mm, the depth is 4500-6000 mm, the height is not lower than 3000mm, and the front end rolling curtain door (22) goes up and down in.
Furthermore, the automatic preparation system for babbitt metal on the surface of the bearing bush of the large-scale generator has the advantages that the industrial welding robot (4) with the base is not less than six shafts, and the movement of each shaft is controlled independently.
Further, according to the automatic preparation system for babbitt metal on the surface of the bearing bush of the large-scale generator, the radius range of the motion circumference (5) of the front end welding shaft of the industrial welding robot (4) with the base is 1600-2200 mm at the height position of the placed workpiece.
Further, the automatic preparation system for babbitt metal on the surface of the bearing bush of the large-scale generator is characterized in that the first welding operation platform (8) and the second welding operation platform (9) are the same in size, the width is 500-1000 mm, the length is 800-1500 mm, the height is 0-1000 mm, and the position deviation of the second welding operation platform (9) and the first welding operation platform (8) is smaller than 1mm after the second welding operation platform (9) rotates around the center of the base of the industrial welding robot (4) with the base in the horizontal direction by 90 degrees in an anticlockwise mode. The technical effects are as follows:
the automatic preparation system for babbitt metal on the surface of the bearing bush of the large-scale generator has the following advantages:
1) the automatic preparation system for babbitt metal on the surface of the bearing bush of the large-scale generator is compact and reasonable in layout and small in occupied area;
2) when the welding preparation of babbit alloy on the surface of the bearing bush is realized by adopting CMT manual welding or semi-automatic welding, the labor intensity is high, the production efficiency is low, and the babbit alloy one-key type welding preparation of workpieces on two stations of a first welding operation table and a second welding operation table can be realized by adopting the automatic preparation system of babbit alloy on the surface of the bearing bush of the large-scale generator, through the linkage of an industrial welding robot, a welding machine system and a gun cleaning and wire cutting device, the labor intensity is greatly reduced, the production efficiency is improved, and the product quality stability is improved.
3) When in operation, the roller shutter door at the front end of the operation room can be put down and is completely isolated from the external environment, so that the surrounding environment is protected, and the normal work of surrounding workers is not influenced;
4) when the welding preparation of the babbitt metal on the surface of the bearing bush is realized by adopting CMT manual welding or semi-automatic welding, operators cannot be far away from welding smoke dust, and the health of the operators is damaged.
5) Be equipped with the tristimulus designation lamp, during operation process trouble, the red light lights and sends the buzzing sound, and the operating personnel of being convenient for in time responds.
Drawings
FIG. 1 is a schematic layout view of a large-scale generator bearing bush surface babbitt metal automatic preparation system
FIG. 2 is a schematic three-dimensional structure of an operating room
FIG. 3 is a schematic view of an upper guide bearing shoe
FIG. 4 is a schematic view of a lower guide bearing shoe
FIG. 5 is a schematic view of a thrust bearing shoe
FIG. 6 is a schematic view of a water guide shoe
In the attached drawings
1, an operation room; 2, a power distribution cabinet;
3, controlling the industrial welding robot cabinet; 4, an industrial welding robot with a base;
5 welding the motion circumference of the shaft; 6, a welding machine system;
7, a wire feeding pipe bracket; 8 a first welding station;
9 a second welding station; 10, cleaning a gun and cutting a wire device;
11 a first camera; 12 a second camera;
13 monitoring the display screen; 14 a first grating;
15 a second grating; 16 an external control device;
17 a three-color indicator light; 18 rear side baffle;
19 a left baffle; 20 right baffle plate;
21 an upper ceiling; 22 a front rolling shutter door;
23 smoke discharging and dust removing air outlets; a 24-wire notch;
25, guiding the bearing bush; 26 lower guide bearing bush;
27 a thrust bearing shoe; 28 water guide tiles;
the specific implementation mode is as follows:
the invention relates to an automatic preparation system for babbitt metal on the surface of a large-scale generator bearing bush, which realizes the intelligent preparation of babbitt metal on the surface of the large-scale generator bearing bush, improves the production efficiency, reduces the labor intensity, improves the production environment and realizes high-quality and batch production, and the specific implementation scheme of the invention is as follows:
as shown in fig. 1 and 2, the system comprises an operation room 1, a power distribution cabinet 2, an industrial welding robot control cabinet 3, an industrial welding robot 4 with a base, a welding machine system 6, a wire feeding pipe support 7, a first welding operation table 8, a second welding operation table 9, a gun cleaning and wire cutting device 10, a first camera 11, a second camera 12, a monitoring display screen 13, a first grating 14, a second grating 15, an external control device 16 and a three-color indicator lamp 17; the operation room 1 is an integrated structure of a rear side baffle 18, a left side baffle 19, a right side baffle 20, an upper ceiling 21 and a front end rolling shutter door 22, a smoke and dust discharging air outlet 23 and a wire groove opening 24 are reserved in the rear side baffle 18, the left side baffle 19, the right side baffle 20 and the upper ceiling 21 freely stretch along a rail in the depth direction of the operation room, after the left side baffle 19, the right side baffle 20 and the upper ceiling 21 are unfolded, the width of the operation room 1 is 4500 mm-6000 mm, the depth is 4500 mm-6000 mm, the height is not less than 3000mm, and the front end rolling shutter door 22 is lifted in the height direction; the industrial welding robot control cabinet 3 is arranged in the operation room 1, and is 300 mm-600 mm away from a rear side baffle 18 of the operation room 1 and 300 mm-600 mm away from a right side baffle 20 of the operation room 1; the base of the industrial welding robot 4 with the base is arranged in the center of the operation room 1, the industrial welding robot 4 with the base is not less than six shafts, the motion of each shaft is separately controlled, and the radius range of the motion circumference 5 of the front end welding shaft is 1600 mm-2200 mm; the welding machine system 6 is arranged in the operation room 1, and is 300-600 mm away from a baffle 18 at the back side of the operation room 1 and 400-1000 mm away from a baffle 19 at the left side of the operation room 1; a wire feeding pipe bracket 7 is arranged between the welding machine system 6 and the industrial welding robot 4 with a base; the first welding operation table 8 is arranged on the right side of the base of the industrial welding robot 4 with the base, the width of the first welding operation table 8 is 500 mm-1000 mm, the length is 800 mm-1500 mm, the height is 0-1000 mm, and the center is 1000 mm-1500 mm away from the center of the base of the industrial welding robot 4 with the base; the second welding operation platform 9 has the same size as the first operation platform 8 and is arranged right in front of the base of the industrial welding robot 4 with the base, and the position deviation of the second welding operation platform 9 and the first welding operation platform 8 is less than 1mm after the second welding operation platform rotates around the center of the base of the industrial welding robot 4 with the base in the horizontal direction by 90 degrees anticlockwise; the gun cleaning wire shearing device 10 is arranged on the left side of the base of the industrial welding robot 4 with the base, and the distance between the center of the gun cleaning wire shearing device 10 and the center of the base of the industrial welding robot 4 with the base is 800-1500 mm; the first grating 14 is arranged at the left side of the entrance of the operation room 1, and the second grating 15 is arranged at the right side of the entrance of the operation room 1; the power distribution cabinet 2 is arranged outside the operation room 1 and provides all required 380V and 220V electric power for the bearing bush surface babbitt metal automatic preparation system; the external control device 15 is arranged outside the operation room 1 to realize the starting and stopping of the equipment program; the monitoring display screen 13 is arranged outside the operation room 1; the three-color indicator light 17 is arranged above the monitoring display screen 13 in a visible position; all components of the large-scale generator bearing bush surface babbitt metal automatic preparation system are connected in series through cables to realize power supply and mutual communication, and all the cables are arranged through wire grooves.
According to the automatic preparation system for babbitt metal on the surface of the bearing bush of the large-scale generator, a bearing bush workpiece is manually assembled and disassembled; the movement track of a welding gun at the front end of the industrial welding robot 4 with a base is compiled by utilizing a demonstrator matched with the industrial welding robot control cabinet 3, the welding parameters of a welding machine system 6 are called, and linkage programs such as gun cleaning and wire cutting operation are realized by utilizing a gun cleaning and wire cutting device 10; a demonstrator or an external control device 15 matched with the industrial welding robot control cabinet 3 is used for controlling the start and stop of the linkage program; the welding operation state of the bearing bush workpieces on the first welding operation table 8 and the second welding operation table 9 is remotely monitored in a linkage mode through the first camera 11, the second camera 12 and the monitoring display screen 13; the first grating 14 and the second grating 15 are used for safety warning, under the power-on state, personnel enter a working area during the welding of a workpiece, and the large-scale generator bearing bush surface babbitt metal automatic preparation system stops working; the system state is visually displayed by using the color of the three-color indicator lamp 16, a green lamp is lighted to indicate normal work, a yellow lamp is lighted to indicate artificial intervention, and a red lamp is lighted and matched with a buzzer to indicate equipment failure; the functions are linked to realize the automatic welding preparation of the babbitt metal on the surface of the bearing bush.

Claims (5)

1. The utility model provides a large-scale generator axle bush surface babbit metal automated preparation system which characterized by:
the automatic wire cutting machine is composed of an operation room (1), a power distribution cabinet (2), an industrial welding robot control cabinet (3), an industrial welding robot (4) with a base, a welding machine system (6), a wire feeding pipe support (7), a first welding operation table (8), a second welding operation table (9), a gun cleaning and wire cutting device (10), a first camera (11), a second camera (12), a monitoring display screen (13), a first grating (14), a second grating (15), an external control device (16) and a three-color indicator lamp (17); the industrial welding robot control cabinet (3) is arranged in the operation room (1) and is 300-600 mm away from a back side baffle (18) of the operation room (1) and 300-600 mm away from a right side baffle (20) of the operation room (1); the base of an industrial welding robot (4) with a base is arranged in the center of the operation room (1); the welding machine system (6) is arranged in the operation room (1) and is 300-600 mm away from a back side baffle (18) of the operation room (1) and 400-1000 mm away from a left side baffle (19) of the operation room (1); a wire feeding pipe bracket (7) is arranged between the welding machine system (6) and the industrial welding robot (4) with the base; the first welding operation platform (8) is arranged on the right side of the base of the industrial welding robot (4) with the base, and the distance between the center of the first welding operation platform (8) and the center of the base of the industrial welding robot (4) with the base is 1000-1500 mm; the second welding operation platform (9) is arranged right in front of the base of the industrial welding robot (4) with the base, and the distance between the center of the second welding operation platform (9) and the center of the base of the industrial welding robot (4) with the base is 1000-1500 mm; the gun cleaning wire shearing device (10) is arranged on the left side of the base of the industrial welding robot (4) with the base, and the distance between the center of the gun cleaning wire shearing device (10) and the center of the base of the industrial welding robot (4) with the base is 800-1500 mm; the first grating (14) is arranged on the left side of the entrance of the operation room (1), and the second grating (15) is arranged on the right side of the entrance of the operation room (1); the power distribution cabinet (2) is arranged outside the operation room (1); the external control device (15) is arranged outside the operation room (1); the monitoring display screen (13) is arranged outside the operation room (1); the three-color indicator light (17) is arranged above the monitoring display screen (13); all components of the large-scale generator bearing bush surface babbitt metal automatic preparation system are connected in series through cables to realize power supply and mutual communication, and all the cables are arranged through wire grooves.
2. The automatic preparation system of babbitt metal on the surface of the bearing bush of the large-scale generator as claimed in claim 1, wherein: the operation room (1) is a structure integrating a rear side baffle (18), a left side baffle (19), a right side baffle (20), an upper ceiling (21) and a front end rolling shutter door (22), a smoke discharging and dust removing air outlet (23) and a wire slot opening (24) are reserved in the rear side baffle (18), the left side baffle (19), the right side baffle (20) and the upper ceiling (21) freely stretch along a rail in the depth direction of the operation room, after the left side baffle (19), the right side baffle (20) and the upper ceiling (21) are unfolded, the width of the operation room (1) is 4500-6000 mm, the depth is 4500-6000 mm, the height is not lower than 3000mm, and the front end rolling shutter door (22) goes up and down in the height direction.
3. The automatic preparation system of babbitt metal on the surface of the bearing bush of the large-scale generator as claimed in claim 1, wherein: the industrial welding robot (4) with the base is not less than six motion axes, and the motion of each axis is separately controlled.
4. The automatic preparation system of babbitt metal on the surface of the bearing bush of the large-scale generator as claimed in claim 1, wherein: at the height position of placing the workpiece, the radius range of the motion circumference (5) of the front end welding shaft of the industrial welding robot (4) with the base is 1600 mm-2200 mm.
5. The automatic preparation system of babbitt metal on the surface of the bearing bush of the large-scale generator as claimed in claim 1, wherein: first welding operation platform (8) is the same with second welding operation platform (9) size, and the width is 500mm ~ 1000mm, and length is 800mm ~ 1500mm, and highly is 0 ~ 1000mm, and second welding operation platform (9) are less than 1mm after 90 anticlockwise rotations in the horizontal direction around the industrial welding robot (4) base center of taking the base with first welding operation platform (8) positional deviation.
CN201910961980.4A 2019-10-11 2019-10-11 Automatic preparation system for babbitt metal on surface of bearing bush of large-scale generator Pending CN110653535A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910961980.4A CN110653535A (en) 2019-10-11 2019-10-11 Automatic preparation system for babbitt metal on surface of bearing bush of large-scale generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910961980.4A CN110653535A (en) 2019-10-11 2019-10-11 Automatic preparation system for babbitt metal on surface of bearing bush of large-scale generator

Publications (1)

Publication Number Publication Date
CN110653535A true CN110653535A (en) 2020-01-07

Family

ID=69040415

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910961980.4A Pending CN110653535A (en) 2019-10-11 2019-10-11 Automatic preparation system for babbitt metal on surface of bearing bush of large-scale generator

Country Status (1)

Country Link
CN (1) CN110653535A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204997211U (en) * 2015-08-31 2016-01-27 上海创志实业有限公司 Diaxon linkage vehicle vent -pipe's weldment work station
CN205551748U (en) * 2016-01-16 2016-09-07 上海伟晟自动化焊接技术有限公司 Stationary machine people welding process center
CN206010190U (en) * 2016-07-27 2017-03-15 广州恒申智能化设备有限公司 The robot welding system of coil pipe in condenser
CN206998105U (en) * 2017-08-08 2018-02-13 成都润博科技有限公司 A kind of integral and intelligent welding robot system
CN108031951A (en) * 2017-12-14 2018-05-15 宁波普利达智能科技应用有限公司 Automatic intelligent arc-welding work station
US20180361493A1 (en) * 2017-06-19 2018-12-20 Lincoln Global, Inc. Systems and methods for real time, long distance, remote welding

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204997211U (en) * 2015-08-31 2016-01-27 上海创志实业有限公司 Diaxon linkage vehicle vent -pipe's weldment work station
CN205551748U (en) * 2016-01-16 2016-09-07 上海伟晟自动化焊接技术有限公司 Stationary machine people welding process center
CN206010190U (en) * 2016-07-27 2017-03-15 广州恒申智能化设备有限公司 The robot welding system of coil pipe in condenser
US20180361493A1 (en) * 2017-06-19 2018-12-20 Lincoln Global, Inc. Systems and methods for real time, long distance, remote welding
CN206998105U (en) * 2017-08-08 2018-02-13 成都润博科技有限公司 A kind of integral and intelligent welding robot system
CN108031951A (en) * 2017-12-14 2018-05-15 宁波普利达智能科技应用有限公司 Automatic intelligent arc-welding work station

Similar Documents

Publication Publication Date Title
CN106141375B (en) A kind of operating method of large-scale supporting roller built-up welding work station
CN205166117U (en) Automatic welding device
CN104493198A (en) Crankshaft four-station rough turning numerical control flexible production line provided with industrial robot
CN206047312U (en) A kind of large-scale supporting roller built-up welding work station
CN102218568A (en) Sealed automatic cutting machine for cutting black metal
CN201735885U (en) Closed type automatic cutting machine for cutting ferrous metal
CN110653535A (en) Automatic preparation system for babbitt metal on surface of bearing bush of large-scale generator
CN101574755A (en) Groove cutting head device
CN1035974A (en) Outer monitoring automatic welding machine for inner ring seam welding of container
CN206375821U (en) A kind of glass cutting machine in the processing for high strength glass
CN117414735A (en) Collagen composite product production equipment and process thereof
CN209664678U (en) A kind of large revolving body special automatic welding machine
CN213113414U (en) Quenching device for metal die machining
CN207119906U (en) A kind of roller bonding machine
CN114454055A (en) Method and device for synchronously machining space revolving body at material increasing and decreasing positions
CN210730915U (en) Automatic covering agent adding device
CN208664113U (en) A kind of opening rubber mixing machine
CN113909894A (en) Material-increasing and material-reducing double-station synchronous machining method and device for axial variable revolving body
CN1974076B (en) Ring device for use in making cylinder head of motorcycle
CN105674752A (en) Tap-hole opening and plugging device for calcium carbide furnace
JPS6138719A (en) Forming roll stand
CN220741708U (en) Section bar pretreatment singeing machine
CN204075608U (en) The rotary system of large rotary machine people automatic welding device
CN205996395U (en) Numerical control automatic hot-air welding machine
CN204366692U (en) A kind of gas stove switch valve grinding machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20200107