CN110935959B - Work piece fixing device is used in new energy automobile engine gear machining - Google Patents
Work piece fixing device is used in new energy automobile engine gear machining Download PDFInfo
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- CN110935959B CN110935959B CN201911288654.8A CN201911288654A CN110935959B CN 110935959 B CN110935959 B CN 110935959B CN 201911288654 A CN201911288654 A CN 201911288654A CN 110935959 B CN110935959 B CN 110935959B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
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Abstract
The invention discloses a workpiece fixing device for gear machining of a new energy automobile engine, which comprises an adjusting mechanism, a filtering mechanism and a fixing mechanism, wherein the fixing mechanism is installed above the adjusting mechanism, and the filtering mechanism is installed below the adjusting mechanism; the filtering mechanism comprises a filtering box, a fixing plate, a side plate, an inserting rod, a filtering frame, a box door, an air exhaust device, a gas pipe and a gas exhaust pipe, wherein the front part of the filtering box is provided with the box door, the two sides of the filtering box are fixed with the air exhaust device, the air exhaust device is far away from one side of the filtering box and is provided with the gas exhaust pipe, the gas exhaust device is arranged below the gas exhaust device, the filtering box is internally provided with the fixing plate, and the number of the fixing plate is two. The invention can filter and collect scrap iron generated by processing, can avoid the condition that the scrap iron is scattered all around, and can also fix different types of engine gears by replacing different arc-shaped plates, thereby improving the stability of the device.
Description
Technical Field
The invention relates to the technical field of engine gear machining, in particular to a workpiece fixing device for machining a new energy automobile engine gear.
Background
An engine is a machine capable of converting other forms of energy into mechanical energy, including, for example, internal combustion engines (reciprocating piston engines), external combustion engines (stirling engines, steam engines, etc.), jet engines, electric motors, and the like. Such as internal combustion engines, typically convert chemical energy into mechanical energy. The engine is suitable for a power generation device, and can also refer to the whole machine (such as a gasoline engine and an aircraft engine) comprising the power device, and the gear is an important component of the engine. With the development of new energy vehicles, traditional fuel vehicles are greatly challenged, but in some regions, the popularization of pure electric vehicles is still relatively slow due to the limitation of supporting facilities and the influence of user acceptance, in this situation, hybrid vehicles provide more choices for users, and when the hybrid vehicles are designed, the structure and the size of main components such as an engine need to be optimized, so that new requirements for the design, the processing and the manufacturing of engine components are provided. However, the conventional workpiece fixing device for machining the engine gear can only fix the gear with a fixed shape, so that the practicability is poor, scrap iron generated by machining the gear can be scattered everywhere, and the cleaning is inconvenient, so that further improvement is needed on the basis.
Disclosure of Invention
The invention aims to solve the problem that the engine gear of the existing new energy hybrid electric vehicle is inconvenient to fix during machining, and provides a workpiece fixing device for machining the engine gear of the new energy hybrid electric vehicle, which can improve the stability of parts during machining.
The invention realizes the purpose through the following technical scheme:
the workpiece fixing device for machining the new energy automobile engine gear comprises an adjusting mechanism, a fixing mechanism and a filtering mechanism, wherein the fixing mechanism is installed above the adjusting mechanism; the filter mechanism comprises a filter box, fixing plates, side plates, insertion rods, a filter frame, a box door, an air exhaust device, an air delivery pipe and an air exhaust pipe, wherein the box door is installed at the front part of the filter box, the air exhaust device is fixed at two sides of the filter box, the air exhaust pipe is installed at one side of the air exhaust device, which is far away from the filter box, the air delivery pipe is installed below the air exhaust device, the fixing plates are installed inside the filter box, the number of the fixing plates is two, the side plates are installed above the fixing plates, the insertion rods are fixed on the side plates, and the filter frame is arranged between the two fixing plates; the adjusting mechanism comprises an adjusting box, a motor, a double-threaded rod, a threaded sleeve and a moving rod, wherein the motor is fixed on the side surface of the adjusting box, the double-threaded rod is arranged in the adjusting box, the threaded sleeve is installed on the double-threaded rod, and the moving rod is fixed above the threaded sleeve; the fixing mechanism comprises a mounting plate, a limiting rod, a locking nut, a connecting plate, a fixing frame and an arc-shaped plate, the limiting rod is arranged on the mounting plate, the locking nut is fixed on the limiting rod, one end of the limiting rod is fixed with the connecting plate, the fixing frame is arranged at the front portion and the rear portion of the connecting plate, and one side of the limiting rod, which is far away from the connecting plate, is fixed with the arc-shaped plate. The air extracting device comprises an air extracting device main body, an air extracting pump is mounted at the upper end of the air extracting device main body, an air inlet pipe is arranged at one end of the air extracting device main body, a connecting sleeve is connected to one end of the air inlet pipe, a connecting pipe is connected to one end of the connecting sleeve, a first filter screen is arranged inside the connecting sleeve, an air outlet pipe is arranged at the other end of the air extracting device main body, a sealing cover is arranged at one end of the air outlet pipe, a second filter screen is arranged inside the sealing cover, a cushioning mechanism is arranged at the lower end of the air extracting device main body, and a positioning; the cushioning mechanism comprises a bottom plate, a fixed sleeve, a spring and a telescopic pipe, wherein the upper end of the telescopic pipe is fixedly connected with the lower end of the air extractor main body, the lower end of the telescopic pipe is connected with the fixed sleeve, the upper end of the fixed sleeve is movably connected with the lower end of the telescopic pipe, the spring is arranged outside the fixed sleeve and is movably connected with the fixed sleeve, the lower end of the fixed sleeve is provided with the bottom plate, the upper end of the bottom plate is fixedly connected with the lower end of the fixed sleeve, one end of the positioning plate is fixedly connected with one end of the bottom plate, the inside of the positioning plate is hollowed to form a mounting hole, and the mounting hole is fixedly connected with the.
Preferably, the filtering mechanism comprises a filtering box, a side plate, a filtering frame, a box door, an air exhaust device, a gas pipe, an exhaust pipe, a supporting plate, an electric push rod and a pressing plate, wherein the front part of the filtering box is provided with the box door, the two sides of the filtering box are fixed with the air exhaust device, the air exhaust device is far away from one side of the filtering box and is provided with the exhaust pipe, the air exhaust device is arranged below the gas pipe, the filtering box is internally provided with the supporting plate, the supporting plate is provided with two supporting plates, the filtering frame is arranged between the supporting plates, the side plate is arranged above the supporting plate, the pressing plate is arranged above the pressing plate, and the electric push rod is fixed above the.
Preferably, the inserted bar is welded with the side plate, and the length of the inserted bar is 8 cm.
Preferably, the pressing plate is in the shape of a cylinder, and the diameter of the cylinder is 5 cm.
Preferably, the motor is connected with the adjusting box through a bolt, and the moving rod is made of hard alloy.
Preferably, the air extracting pump is fixedly connected with the air extracting device body, and one end of the air inlet pipe is fixedly connected with one end of the air extracting device body. By adopting the technical scheme, the air extracting pump is convenient for air extraction of the device.
Preferably, one end of the connecting sleeve is movably connected with one end of the air inlet pipe, and one end of the connecting pipe is movably connected with one end of the connecting sleeve. Through adopting above-mentioned technical scheme, can connect connecting pipe and intake pipe through adapter sleeve.
Preferably, the first filter screen is fixedly connected with the connecting sleeve, and one end of the air outlet pipe is fixedly connected with the other end of the air exhaust device main body. Through adopting above-mentioned technical scheme, impurity in the filtered air can be convenient for through filter screen No. one.
Preferably, one end of the sealing cover is movably connected with one end of the air outlet pipe, and the second filter screen is fixedly connected with the sealing cover.
Compared with the prior art, the invention has the following beneficial effects:
1. in the invention, the scrap iron generated by processing can be filtered and collected by arranging the filtering mechanism, so that the condition that the scrap iron is scattered everywhere can be avoided;
2. according to the invention, by arranging the fixing mechanism, different types of engine gears can be fixed by replacing different arc-shaped plates, so that the practicability of the device is improved.
3. In the invention, a special air extractor is also adopted, which can connect the connecting pipe and the air inlet pipe through the connecting sleeve, the air can be sucked into the air extractor main body through the connecting pipe and the connecting sleeve by the action of the air extracting pump, can be discharged through the air outlet pipe, is convenient for filtering impurities in the air through the first filter screen, prevents the impurities from entering the inside of the main body of the air extracting device, the second filter screen in the sealing cover can also prevent impurities in the air from entering the inside of the air extractor body, when the air extractor main body is used, a certain buffering effect can be provided through the spring, so that the shock absorption of the air extractor main body can be facilitated, the telescopic pipe can move up and down in the fixed sleeve, thereby also can provide certain bradyseism effect, it is more convenient, comparatively practical, the effect of use is better for traditional mode.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a workpiece fixing device for machining a new energy automobile engine gear, which is disclosed by the invention;
FIG. 2 is a front view of a workpiece fixing device for machining a new energy automobile engine gear, which is disclosed by the invention;
FIG. 3 is a schematic view of a first internal structure of the workpiece fixing device for machining the new energy automobile engine gear, which is disclosed by the invention;
FIG. 4 is a second internal structural schematic diagram of the workpiece fixing device for machining the new energy automobile engine gear, provided by the invention;
FIG. 5 is a schematic structural diagram of a mounting plate in the workpiece fixing device for machining the new energy automobile engine gear, provided by the invention;
FIG. 6 is a schematic view of the overall structure of the air extractor of the present invention;
FIG. 7 is a block diagram of the mounting mechanism of the air extractor device of the present invention;
FIG. 8 is a cutaway view of the mounting mechanism of the air extractor of the present invention;
figure 9 is a partial schematic view of a suction device according to the present invention.
The reference numerals are explained below:
1. a filtering mechanism; 101. a filter box; 102. a fixing plate; 103. a side plate; 104. inserting a rod; 105. a filter frame; 106. a box door; 107. an air extraction device; 108. a gas delivery pipe; 109. an exhaust pipe; 110. a support plate; 111. an electric push rod; 112. pressing a plate; 2. an adjustment mechanism; 201. an adjusting box; 202. a motor; 203. a double-headed threaded rod; 204. a threaded sleeve; 205. a travel bar; 3. a fixing mechanism; 301. mounting a plate; 302. a limiting rod; 303. locking the nut; 304. a connecting plate; 305. a fixed mount; 306. an arc-shaped plate; 41. an air extraction device body; 42. an air pump; 43. an air outlet pipe; 44. a sealing cover; 45. an air inlet pipe; 46. connecting a sleeve; 47. a connecting pipe; 48. a cushioning mechanism; 481. a base plate; 482. fixing the sleeve; 483. a spring; 484. a telescopic pipe; 49. positioning a plate; 50. a first filter screen; 51. no. two filter screens.
Detailed Description
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be further described with reference to the accompanying drawings in which:
example 1
As shown in fig. 1-9, the workpiece fixing device for machining the new energy automobile engine gear comprises an adjusting mechanism 2, a fixing mechanism 3, the fixing mechanism 3 mounted above the adjusting mechanism 2, and a filtering mechanism 1, wherein the filtering mechanism 1 is mounted below the adjusting mechanism 2.
The filtering mechanism 1 comprises a filtering box 101, two fixing plates 102, two side plates 103, an inserted rod 104, a filtering frame 105, a box door 106, an air exhaust device 107, an air delivery pipe 108 and an air exhaust pipe 109, wherein the box door 106 is hinged to the front part of the filtering box 101, the air exhaust device 107 is fixed on two sides of the filtering box 101 through screws, the air exhaust pipe 109 is installed on one side, away from the filtering box 101, of the air exhaust device 107, the air delivery pipe 108 is installed below the air exhaust device 107, the fixing plates 102 are welded inside the filtering box 101, the number of the fixing plates 102 is two, the side plates 103 are installed above the fixing plates 102, the inserted rod 104 is welded and fixed on the side plates; the adjusting mechanism 2 comprises an adjusting box 201, a motor 202, a double-threaded rod 203, a threaded sleeve 204 and a moving rod 205, wherein the motor 202 is fixed on the side surface of the adjusting box 201, the double-threaded rod 203 is arranged in the adjusting box 201, the threaded sleeve 204 is installed on the double-threaded rod 203, and the moving rod 205 is fixedly welded above the threaded sleeve 204; the fixing mechanism 3 comprises a mounting plate 301, a limiting rod 302, a locking nut 303, a connecting plate 304, a fixing frame 305 and an arc-shaped plate 306, wherein the limiting rod 302 is arranged on the mounting plate 301, the locking nut 303 is fixed on the limiting rod 302, the connecting plate 304 is fixedly welded at one end of the limiting rod 302, the fixing frame 305 is fixedly welded at the front part and the rear part of the connecting plate 304, and the arc-shaped plate 306 is fixedly welded at one side, away from the limiting rod 302, of the connecting plate 304; the inserted bar 104 is welded with the side plate 103, and the length of the inserted bar 104 is 8 cm; the motor 202 is connected with the adjusting box 201 through bolts, and the moving rod 205 is made of hard alloy.
The cushioning mechanism 48 comprises a bottom plate 481, a fixed sleeve 482, a spring 483 and an extension tube 484, wherein the upper end of the extension tube 484 is fixedly connected with the lower end of the air extractor main body 41, the lower end of the extension tube 484 is connected with the fixed sleeve 482, the upper end of the fixed sleeve 482 is movably connected with the lower end of the extension tube 484, the outer part of the fixed sleeve 482 is provided with a spring 483, the spring 483 is movably connected with the fixed sleeve 482, the lower end of the fixed sleeve 482 is provided with the bottom plate 481, the upper end of the bottom plate 481 is fixedly connected with the lower end of the fixed sleeve 482, one end of a positioning plate 49 is fixedly connected with one end of the bottom plate 481, the positioning plate 49 is hollowed to be provided with a mounting hole, the mounting hole is, thereby facilitating the damping of the suction device body 41, and the bellows 484 can move up and down inside the fixed sleeve 482, thereby providing a certain damping effect.
The air pump 42 is fixedly connected with the air extracting device body 41, one end of the air inlet pipe 45 is fixedly connected with one end of the air extracting device body 41, and the air pump 42 is convenient for air extraction of the device. One end of the connecting sleeve 46 is movably connected with one end of the air inlet pipe 45, one end of the connecting pipe 47 is movably connected with one end of the connecting sleeve 46, and the connecting pipe 47 and the air inlet pipe 45 can be connected through the connecting sleeve 46. The first filter screen 50 is fixedly connected with the connecting sleeve 46, one end of the air outlet pipe 43 is fixedly connected with the other end of the air extractor main body 41, and impurities in the air can be conveniently filtered through the first filter screen 50. One end of the sealing cover 44 is movably connected with one end of the air outlet pipe 43, the second filter screen 51 is fixedly connected with the sealing cover 44, and impurities in the air can be filtered through the second filter screen 51.
When air exhaust device during operation, the user can pass the mounting hole with external screw, thereby can install locating plate 49 in the assigned position, thereby can be convenient for air exhaust device main part 41's installation, can provide certain buffering effect through spring 483, be convenient for install holistic shock attenuation, can connect connecting pipe 47 and intake pipe 45 through adapter sleeve 46, make gas can be inhaled the inside of air exhaust device main part 41 through connecting pipe 47 and adapter sleeve 46 through the effect of aspiration pump 42, can discharge through outlet duct 43, through a filter screen 50, No. two filter screens 51 all can prevent that debris in the air from entering the inside of air exhaust device main part 41, surpass traditional air exhaust device in the use prospect, and is comparatively practical.
The working principle is as follows: when the device is used, the gear is placed between the two arc-shaped plates 306, the motor 202 is started, the motor 202 drives the double-threaded rod 203 to rotate forwards, the double-threaded rod 203 rotates forwards to drive the two threaded sleeves 204 to move towards each other, the two threaded sleeves 204 drive the two arc-shaped plates 306 to move towards each other through the movable rod 205, therefore, the two arc-shaped plates 306 are contacted with the two sides of the gear and fix the gear, the gear can be processed after the fixation is finished, the air exhaust device 107 is started before the processing, the scrap iron generated by the processing enters the filter box 101 under the action of the air exhaust device 107, the filtering frame 105 filters the air, the filtered air is discharged through the exhaust pipe 109, when the scrap iron in the filtering frame 105 needs to be cleaned, the box door 106 is opened, the filtering frame 105 is moved upwards, so that the insertion rod 104 is separated from the fixing plate 102, and the filter frame 105 is taken out from the filter box 101, thereby cleaning the iron filings therein.
Example 2
As shown in fig. 1, 2, 4, and 5, the difference between the embodiment 2 and the embodiment 1 is that the fixing plate 102 and the insertion rod 104 are replaced by a supporting plate 110, an electric push rod 111, and a pressing plate 112, the pressing plate 112 is cylindrical, the diameter of the cylinder is 5cm, when the iron filings in the filter frame 105 need to be cleaned, the box door 106 is opened, the electric push rod 111 is controlled to contract, the electric push rod 111 contracts to drive the pressing plate 112 to ascend, so that the pressing plate 112 is separated from the side plate 103, and the filter frame 105 is taken out from the filter box 101, and the iron filings in the filter frame can be cleaned.
It should be noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and although the applicant has described the invention in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions made on the technical solutions of the present invention can not be made within the spirit and scope of the technical solutions of the present invention and shall be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a new energy automobile engine is work piece fixing device for gear machining, includes adjustment mechanism (2), fixed establishment (3), install adjustment mechanism (2) top fixed establishment (3), its characterized in that: the filter mechanism (1) is arranged below the adjusting mechanism (2); the filtering mechanism (1) comprises a filtering box (101), a fixing plate (102), a side plate (103), an inserted bar (104), a filtering frame (105), a box door (106), an air extractor (107), an air delivery pipe (108) and an exhaust pipe (109), the front part of the filter box (101) is provided with the box door (106), the two sides of the filter box (101) are fixed with the air extracting device (107), the exhaust pipe (109) is arranged on one side of the air extraction device (107) far away from the filter box (101), the air delivery pipe (108) is arranged below the air exhaust device (107), the fixing plate (102) is arranged in the filter box (101), the number of the fixing plates (102) is two, the side plates (103) are arranged above the fixing plates (102), the side plate (103) is fixed with the inserted bar (104), and the filter frame (105) is arranged between the two fixing plates (102); the adjusting mechanism (2) comprises an adjusting box (201), a motor (202), a double-threaded rod (203), a threaded sleeve (204) and a moving rod (205), the motor (202) is fixed on the side surface of the adjusting box (201), the double-threaded rod (203) is arranged inside the adjusting box (201), the threaded sleeve (204) is installed on the double-threaded rod (203), and the moving rod (205) is fixed above the threaded sleeve (204); the fixing mechanism (3) comprises a mounting plate (301), a limiting rod (302), a locking nut (303), a connecting plate (304), a fixing frame (305) and an arc-shaped plate (306), wherein the limiting rod (302) is arranged on the mounting plate (301), the locking nut (303) is fixed on the limiting rod (302), the connecting plate (304) is fixed at one end of the limiting rod (302), the fixing frame (305) is arranged at the front part and the rear part of the connecting plate (304), and the arc-shaped plate (306) is fixed at one side, away from the limiting rod (302), of the connecting plate (304); the air extracting device (107) comprises an air extracting device main body (41), an air extracting pump (42) is installed at the upper end of the air extracting device main body (41), an air inlet pipe (45) is arranged at one end of the air extracting device main body (41), a connecting sleeve (46) is connected to one end of the air inlet pipe (45), a connecting pipe (47) is connected to one end of the connecting sleeve (46), a first filter screen (50) is arranged inside the connecting sleeve (46), an air outlet pipe (43) is arranged at the other end of the air extracting device main body (41), a sealing cover (44) is arranged at one end of the air outlet pipe (43), a second filter screen (51) is arranged inside the sealing cover (44), a cushioning mechanism (48) is arranged at the lower end of the air extracting device main body (41), and a positioning plate (49) is; the cushioning mechanism (48) comprises a bottom plate (481), a fixed sleeve (482), a spring (483) and an expansion pipe (484), the upper end of the extension pipe (484) is fixedly connected with the lower end of the air extractor main body (41), the lower end of the telescopic pipe (484) is connected with a fixed sleeve (482), the upper end of the fixed sleeve (482) is movably connected with the lower end of the telescopic pipe (484), a spring (483) is arranged outside the fixed sleeve (482), the spring (483) is movably connected with the fixed sleeve (482), the lower end of the fixed sleeve (482) is provided with a bottom plate (481), the upper end of the bottom plate (481) is fixedly connected with the lower end of the fixed sleeve (482), one end of the positioning plate (49) is fixedly connected with one end of the bottom plate (481), the positioning plate (49) is provided with a mounting hole in a hollowed mode, and the mounting hole is fixedly connected with the positioning plate (49).
2. The workpiece fixing device for the gear machining of the new energy automobile engine is characterized in that: the air extracting pump (42) is fixedly connected with the air extracting device main body (41), and one end of the air inlet pipe (45) is fixedly connected with one end of the air extracting device main body (41).
3. The workpiece fixing device for the gear machining of the new energy automobile engine is characterized in that: one end of the connecting sleeve (46) is movably connected with one end of the air inlet pipe (45), and one end of the connecting pipe (47) is movably connected with one end of the connecting sleeve (46).
4. The workpiece fixing device for the gear machining of the new energy automobile engine is characterized in that: the inserted bar (104) is welded with the side plate (103), and the length of the inserted bar (104) is 8 cm.
5. The workpiece fixing device for the gear machining of the new energy automobile engine is characterized in that: the motor (202) is connected with the adjusting box (201) through bolts, and the moving rod (205) is made of hard alloy.
6. The workpiece fixing device for the gear machining of the new energy automobile engine is characterized in that: the first filter screen (50) is fixedly connected with the connecting sleeve (46), and one end of the air outlet pipe (43) is fixedly connected with the other end of the air extracting device main body (41).
7. The workpiece fixing device for the gear machining of the new energy automobile engine is characterized in that: one end of the sealing cover (44) is movably connected with one end of the air outlet pipe (43), and the second filter screen (51) is fixedly connected with the sealing cover (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911288654.8A CN110935959B (en) | 2019-12-16 | 2019-12-16 | Work piece fixing device is used in new energy automobile engine gear machining |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911288654.8A CN110935959B (en) | 2019-12-16 | 2019-12-16 | Work piece fixing device is used in new energy automobile engine gear machining |
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| CN110935959A CN110935959A (en) | 2020-03-31 |
| CN110935959B true CN110935959B (en) | 2020-10-16 |
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| CN201911288654.8A Active CN110935959B (en) | 2019-12-16 | 2019-12-16 | Work piece fixing device is used in new energy automobile engine gear machining |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112191899A (en) * | 2020-09-28 | 2021-01-08 | 杨东梅 | A inside and outside milling machine for new energy automobile engine crankshaft production line |
| CN112338724A (en) * | 2020-11-17 | 2021-02-09 | 湖南富而康科贸新材料有限公司 | Arc edge processing device for guide rail of roller shutter door |
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| CN205147852U (en) * | 2015-09-01 | 2016-04-13 | 天津思为机器设备有限公司 | Be used for fixed frock of punching of gear |
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| CN110935959A (en) | 2020-03-31 |
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