CN113732187B - Self-made hydraulic bending machine - Google Patents
Self-made hydraulic bending machine Download PDFInfo
- Publication number
- CN113732187B CN113732187B CN202111030819.9A CN202111030819A CN113732187B CN 113732187 B CN113732187 B CN 113732187B CN 202111030819 A CN202111030819 A CN 202111030819A CN 113732187 B CN113732187 B CN 113732187B
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- Prior art keywords
- sliding
- block
- notch
- bending machine
- wall
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- 238000005452 bending Methods 0.000 title claims abstract description 49
- 230000000903 blocking effect Effects 0.000 claims abstract description 18
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 11
- 238000005461 lubrication Methods 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 abstract description 29
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000001050 lubricating effect Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/18—Lubricating, e.g. lubricating tool and workpiece simultaneously
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
The application relates to a self-made hydraulic bending machine, which comprises a workbench and a bending block, wherein a hydraulic oil cylinder and a supporting block are arranged above the workbench, the bending block is connected with a piston rod of the hydraulic oil cylinder, a sliding groove is formed in the workbench, a sliding block is connected in the sliding groove in a sliding manner, and the sliding block is connected with the bending block; mounting grooves are formed in two ends of the sliding block, and lubrication balls are arranged in the mounting grooves; a storage cavity is arranged in the sliding block, and a first notch and a second notch are formed in the inner wall of the mounting groove; when the sliding block is required to be lubricated, the stay rope is pulled to drive the trapezoid block to abut against the sliding column, so that the blocking protrusion leaves the second notch, the lubricating oil enters the mounting groove, when a proper amount of lubricating oil is achieved, the stay plate is loosened, and the blocking protrusion is sealed with the second notch again.
Description
Technical Field
The application relates to the technical field of bending machines, in particular to a self-made hydraulic bending machine.
Background
Bending machines are used for bending materials such as steel plates or steel pipes in modern factories, so that the flat steel plates and the steel pipes can be bent to a certain radian according to the needs, and parts with different shapes can be machined.
In the normal working process of the bending machine, the hydraulic oil cylinder needs to reciprocate so as to compress and bend a workpiece, so that a sliding block and a sliding rail are often arranged on a workbench, and a piston rod of the hydraulic oil cylinder is guided;
however, the continuous movement of the hydraulic cylinder in the bending machine can lead to the abrasion of the sliding block and the sliding rail, and the common sliding block does not have the function of storing lubricating oil, so people are required to regularly search the lubricating oil, then the sliding block and the sliding rail are oiled with lubricating oil, and the lubricating oil is manually poured into the sliding block and the sliding rail, so that the quantity of the poured lubricating oil is inconvenient to control, the poured lubricating oil is easy to be too much or too little, and the use and the inconvenience are caused;
in summary, the present application provides a self-made hydraulic bending machine to solve the above-mentioned problems.
Disclosure of Invention
The application aims to provide a self-made hydraulic bending machine so as to solve the problems that a common sliding block does not have the function of storing lubricating oil, so that people are required to regularly search the lubricating oil, the lubricating oil is manually poured into the sliding block and the sliding rail, the quantity of the poured lubricating oil is inconvenient to control, and excessive or too little poured lubricating oil is easy to cause.
In order to achieve the above purpose, the present application provides the following technical solutions: the self-made hydraulic bending machine comprises a workbench and a bending block, wherein a hydraulic oil cylinder and a supporting block are arranged above the workbench, the bending block is connected with a piston rod of the hydraulic oil cylinder, a sliding groove is formed in the workbench, a sliding block is connected in the sliding groove in a sliding manner, and the sliding block is connected with the bending block; mounting grooves are formed in two ends of the sliding block, and lubrication balls are arranged in the mounting grooves; the sliding block is internally provided with a storage cavity, the inner wall of the installation groove is provided with a first notch and a second notch, and the sliding plate is internally provided with a release mechanism.
Preferably, the release mechanism comprises a sliding column arranged in a second notch, one end of the sliding column is connected with a connecting plate, and a second spring is connected between the connecting plate and the inner wall of the first notch; a blocking protrusion is arranged on the side surface of the sliding column, a plurality of trapezoid blocks are uniformly arranged in the storage cavity, and two adjacent trapezoid blocks are connected through a connecting rod; the trapezoid blocks positioned at the two side ends are respectively connected with a pull rope and a reset rod, a connecting hole is formed in the position, close to the pull rope, of the inner wall of the storage cavity, the pull rope penetrates through the connecting hole and is positioned at the outer end of the sliding block, a blind hole is formed in the position, close to the reset rod, of the inner wall of the storage cavity, a sliding plate is connected in the blind hole in a penetrating mode through the reset rod, and a first spring is further sleeved on the reset rod.
More preferably, the blocking protrusion is in a circular ring shape or a cuboid structure, and the side edge of the blocking protrusion can be abutted against the inner wall of the second notch.
More preferably, one end of the sliding column is rotatably provided with a roller.
More preferably, the side of the trapezoid block is provided with a rolling groove.
More preferably, the inner wall of the chute is provided with a sliding opening.
More preferably, a through hole is formed in the position, corresponding to the storage cavity, of the top end of the sliding block, and a sealing plug is inserted into the through hole.
More preferably, a pull rope positioned at the outer end of the sliding block is connected with a pull plate.
More preferably, the outer end of the connecting rod is sleeved with a guide sleeve, and the guide sleeve is connected with the inner wall of the storage cavity.
More preferably, a V-shaped groove is formed at one end of the bending block.
Compared with the prior art, the application has the beneficial effects that: according to the application, the lubricating oil is stored in the storage cavity in advance, when the sliding block is required to be lubricated, the pull rope is pulled to drive the trapezoid block to abut against the sliding column, so that the blocking protrusion is separated from the second notch, the lubricating oil enters the mounting groove, and when a proper amount of lubricating oil is reached, the pull plate is loosened, and the blocking protrusion is sealed with the second notch again; therefore, the application does not need workers to search for lubricating oil, and the sliding block has the function of storing the lubricating oil, can conveniently control the outflow of the lubricating oil, and is convenient to use.
Drawings
FIG. 1 is a schematic top view of a table of the present application;
FIG. 2 is a schematic top view of a slider according to the present application;
FIG. 3 is a schematic top view of a slider according to the present application;
FIG. 4 is an enlarged schematic view of the structure of the area A in FIG. 2 according to the present application;
FIG. 5 is an enlarged schematic view of the structure of the area B in FIG. 2 according to the present application;
FIG. 6 is an enlarged schematic view of the structure of the area C in FIG. 4 according to the present application;
FIG. 7 is a schematic perspective view of a workbench according to the application;
FIG. 8 is a schematic perspective view of a bending block according to the present application;
fig. 9 is a schematic perspective view of a trapezoidal block according to the present application.
In the reference numerals: 1. a work table; 2. a hydraulic cylinder; 3. bending the block; 4. a chute; 5. a support block; 6. a slide block; 7. a sliding port; 8. a mounting groove; 9. lubricating the balls; 10. a storage chamber; 11. a trapezoid block; 12. a connecting rod; 13. a guide sleeve; 14. a pull rope; 15. a connection hole; 16. a reset lever; 17. a first spring; 18. a slide plate; 19. a first notch; 20. a second notch; 21. a spool; 22. a blocking protrusion; 23. a roller; 24. a connecting plate; 25. a second spring; 26. pulling a plate; 27. a sealing plug; 28. rolling groove.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-9, a self-made hydraulic bending machine comprises a workbench 1 and a bending block 3, wherein a V-shaped groove is formed at one end of the bending block 3 and is used for bending a plate or angle steel;
referring to fig. 1, 7, 8 and 9, a hydraulic cylinder 2 and a supporting block 5 are arranged above a workbench 1, a bending block 3 is fixedly connected with a piston rod of the hydraulic cylinder 2, a sliding groove 4 is formed in the workbench 1, a sliding block 6 is slidably connected in the sliding groove 4, the sliding block 6 is fixedly connected with the bending block 3, a plate or angle steel is placed between the bending block 3 and the supporting block 5, the hydraulic cylinder 2 is started to drive the bending block 3 to move towards the direction of the supporting block 5, and therefore a V-shaped groove at one end of the bending block 3 extrudes the plate, so that the plate or angle steel is bent.
Referring to fig. 1 and 2, mounting grooves 8 are formed in two ends of a sliding block 6, lubrication balls 9 are arranged in the mounting grooves 8 in a rolling mode, and the lubrication balls 9 play a role in lubrication; the sliding block 6 is internally provided with a storage cavity 10, lubricating oil is stored in the storage cavity 10, the inner wall of the mounting groove 8 is provided with a first notch 19 and a second notch 20, the first notch 19 is communicated with the second notch 20, the second notch 20 is communicated with the storage cavity 10, the lubricating oil is conveyed into the mounting groove 8 through the first notch 19 and the second notch 20 and then contacts with the lubricating ball 9, the sliding plate 18 is internally provided with a release mechanism, the inner wall of the sliding groove 4 is provided with a sliding opening 7, the lubricating ball 9 is positioned in the sliding opening 7 and slides in the sliding opening 7, the lubricating ball 9 is limited through the arrangement of the sliding opening 7, and the sliding block 6 is prevented from falling off.
Referring to fig. 1 and 2, a through hole is formed in a position of the storage cavity 10 corresponding to the top end of the slider 6, a certain amount of lubricating oil is added into the storage cavity 10 through the through hole, a sealing plug 27 is inserted into the through hole, and the sealing plug 27 plugs the through hole, so that the lubricating oil is prevented from leaking.
Referring to fig. 2, fig. 4, fig. 5 and fig. 6, the release mechanism includes a sliding column 21 disposed in the second notch 20, one end of the sliding column 21 is fixedly connected with a connecting plate 24, the sliding column 21 can slide in the second notch 20, a roller 23 is rotatably mounted at one end of the sliding column 21, and the trapezoidal block 11 is abutted against the roller 23 under the action of the roller 23, so that the trapezoidal block 11 can be indirectly abutted against the sliding column 21 more smoothly.
Referring to fig. 2, 3 and 4, a second spring 25 is fixedly connected between the connecting plate 24 and the inner wall of the first notch 19, the second spring 25 plays a role in resetting, and when the trapezoidal block 11 is not in contact with the sliding column 21, the sliding column 21 is slidably inserted into the second notch 20 under the action of the second spring 25; the side of the slide column 21 is provided with a blocking protrusion 22, and the blocking protrusion 22 plays a sealing role in the second notch 20, so that lubricating oil is prevented from entering the mounting groove 8 under the condition that the lubricating oil is not needed.
Referring to fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, wherein, evenly be equipped with a plurality of trapezoidal piece 11 in the storage chamber 10, through connecting rod 12 fixed connection between two adjacent trapezoidal pieces 11, the outer pot head of connecting rod 12 is equipped with uide bushing 13, uide bushing 13 plays the guide effect to connecting rod 12, let trapezoidal piece 11 comparatively stable of sliding in storage chamber 10, uide bushing 13 and the inner wall fixed connection of storage chamber 10, the indent 28 has been seted up to the side of trapezoidal piece 11, gyro wheel 23 is located the indent 28, trapezoidal piece 11 is contradicted to gyro wheel 23 through indent 28, trapezoidal piece 11 is equilateral trapezium structure.
Referring to fig. 2, 3, 5 and 6, the trapezoid blocks 11 at two side ends are fixedly connected with a pull rope 14 and a reset rod 16 respectively, a connecting hole 15 is formed in the inner wall of the storage cavity 10 near the pull rope 14, the pull rope 14 passes through the connecting hole 15 and is positioned at the outer end of the sliding block 6, a pull plate 26 is fixedly connected with the pull rope 14 at the outer end of the sliding block 6, the pull rope 14 is driven to work by pulling the pull plate 26, and the trapezoid blocks 11 are pulled by the pull rope 14 to slide leftwards, so that the trapezoid blocks 11 are used for abutting against the roller 23, and the slide column 21 drives the connecting plate 24 to stretch the second spring 25; the blocking projection 22 is not engaged with the second notch 20, so that the lubricating oil in the reservoir 10 enters the first notch 19 and the second notch 20 and then enters the mounting groove 8 to contact the lubricating ball 9.
Referring to fig. 2, 3, 4 and 5, a blind hole is formed in the inner wall of the storage cavity 10 near the reset rod 16, the reset rod 16 penetrates into the blind hole and is fixedly connected with the sliding plate 18, the reset rod 16 is further sleeved with a first spring 17, two ends of the first spring 17 are respectively connected with the sliding plate 18 and the inner wall of the blind hole, and when the pull plate 26 is loosened, the trapezoid block 11 slides rightwards under the stretching action of the first spring 17, so that the trapezoid block 11 does not collide with the roller 23.
Referring to fig. 2 and 3, the blocking protrusion 22 has a circular ring-shaped or rectangular parallelepiped structure, and the side edge of the blocking protrusion 22 can collide with the inner wall of the second slot 20.
Working principle: when the hydraulic oil cylinder is used, the plate or the angle steel is placed between the bending block 3 and the supporting block 5, then the hydraulic oil cylinder 2 is started to drive the bending block 3 to work, the plate or the angle steel is bent through the bending block 3, and in the movement process of a piston rod of the hydraulic oil cylinder 2, the bending block 3 drives the sliding plate 18 to slide in the sliding groove 4; when the sliding block 6 and the sliding rail need to be lubricated; pulling up the pull plate 26, pulling the pull rope 14 by the pull plate 26 to work, pulling the trapezoid block 11 to slide left in the storage cavity 10 by the pull rope 14, abutting the rolling wheels 23 by the rolling grooves 28 at the two ends of the trapezoid block 11 respectively, driving the sliding plate 18 to slide by the reset rod 16, and compressing the first spring 17 by the sliding plate 18; after the trapezoid block 11 abuts against the roller 23, the sliding column 21 pushes the connecting plate 24 to stretch the second spring 25, so that the blocking protrusion 22 leaves the second notch 20 and is not sealed against the second notch 20, lubricating oil in the storage cavity 10 enters the first notch 19, the second notch 20 and the mounting groove 8 and then contacts with the lubricating ball 9, when the lubricating oil entering the lubricating ball 9 reaches a certain amount, the pulling plate 26 is loosened, and under the stretching action of the first spring 17, the trapezoid block 11 slides rightwards, so that the trapezoid block 11 is not abutted against the roller 23; when the trapezoid block 11 is not abutted against the roller 23, under the action of the elasticity of the second spring 25, the sliding column 21 drives the blocking boss 22 to slide into the second notch 20 again, so that the second notch 20 is sealed, and lubricating oil is prevented from leaking out; then when the piston rod of the hydraulic cylinder 2 drives the bending block 3 to slide, the bending block 3 drives the sliding block 6 to slide in the sliding groove 4, and the sliding block 6 drives the lubrication ball 9 to slide in the sliding opening 7, so that the lubrication ball 9 is in contact with the lubrication oil in the mounting groove 8 for rolling lubrication, and the whole sliding groove 4 is internally provided with the lubrication oil.
While the fundamental and principal features of the application and advantages of the application have been shown and described, it will be apparent to those skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The self-made hydraulic bending machine comprises a workbench (1) and a bending block (3), wherein a hydraulic oil cylinder (2) and a supporting block (5) are arranged above the workbench (1), the bending block (3) is connected with a piston rod of the hydraulic oil cylinder (2), a sliding groove (4) is formed in the workbench (1), a sliding block (6) is connected in the sliding groove (4) in a sliding manner, and the sliding block (6) is connected with the bending block (3); the method is characterized in that: mounting grooves (8) are formed in the two ends of the sliding block (6), and lubrication balls (9) are arranged in the mounting grooves (8); a storage cavity (10) is formed in the sliding block (6), a first notch (19) and a second notch (20) are formed in the inner wall of the mounting groove (8), and a release mechanism is further arranged in the sliding plate (18);
the release mechanism comprises a sliding column (21) arranged in a second notch (20), one end of the sliding column (21) is connected with a connecting plate (24), and a second spring (25) is connected between the connecting plate (24) and the inner wall of the first notch (19); a blocking protrusion (22) is arranged on the side surface of the sliding column (21), a plurality of trapezoid blocks (11) are uniformly arranged in the storage cavity (10), and two adjacent trapezoid blocks (11) are connected through a connecting rod (12);
trapezoidal piece (11) that are located two side are connected with stay cord (14) and reset lever (16) respectively, connecting hole (15) have been seted up to the position that the inner wall of storing chamber (10) is close to stay cord (14), stay cord (14) pass connecting hole (15) and are located the outer end of slider (6), the blind hole has been seted up to the position that the inner wall of storing chamber (10) is close to reset lever (16), reset lever (16) penetrate blind in-connection has slide (18), still the cover is equipped with first spring (17) on reset lever (16).
2. The homemade hydraulic bending machine of claim 1, wherein: the blocking protrusion (22) is of a circular ring-shaped or cuboid structure, and the side edge of the blocking protrusion (22) can be abutted against the inner wall of the second notch (20).
3. The homemade hydraulic bending machine of claim 1, wherein: one end of the sliding column (21) is rotatably provided with a roller (23).
4. The homemade hydraulic bending machine of claim 1, wherein: the side of the trapezoid block (11) is provided with a rolling groove (28).
5. The homemade hydraulic bending machine of claim 1, wherein: the inner wall of the chute (4) is provided with a sliding opening (7).
6. The homemade hydraulic bending machine of claim 1, wherein: through holes are formed in the positions, corresponding to the storage cavities (10), of the top ends of the sliding blocks (6), and sealing plugs (27) are inserted into the through holes.
7. The homemade hydraulic bending machine of claim 1, wherein: the pull rope (14) positioned at the outer end of the sliding block (6) is connected with a pull plate (26).
8. The homemade hydraulic bending machine of claim 1, wherein: the outer end of the connecting rod (12) is sleeved with a guide sleeve (13), and the guide sleeve (13) is connected with the inner wall of the storage cavity (10).
9. The homemade hydraulic bending machine of claim 1, wherein: one end of the bending block (3) is provided with a V-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111030819.9A CN113732187B (en) | 2021-09-03 | 2021-09-03 | Self-made hydraulic bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111030819.9A CN113732187B (en) | 2021-09-03 | 2021-09-03 | Self-made hydraulic bending machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113732187A CN113732187A (en) | 2021-12-03 |
| CN113732187B true CN113732187B (en) | 2023-11-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111030819.9A Active CN113732187B (en) | 2021-09-03 | 2021-09-03 | Self-made hydraulic bending machine |
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| Country | Link |
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| CN (1) | CN113732187B (en) |
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| DE29920111U1 (en) * | 1999-03-05 | 2000-02-03 | Hiwin Tech Corp | Self-lubricating linear guide |
| CN207830373U (en) * | 2018-01-17 | 2018-09-07 | 浙江成大传动设备有限公司 | A kind of linear slide rail sliding block |
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| CN108916625A (en) * | 2018-08-03 | 2018-11-30 | 安徽麦司科技有限公司 | A kind of self-lubricated perforating press |
| CN110271987A (en) * | 2019-07-05 | 2019-09-24 | 谭士龙 | A kind of combination type pulley group of movable and fixed pulley conversion |
| CN210423570U (en) * | 2019-09-18 | 2020-04-28 | 华东交通大学 | Lubricating device for track lubrication |
| CN211990363U (en) * | 2020-04-22 | 2020-11-24 | 万基控股集团检修安装有限公司 | Adjustable bending die |
| CN212028488U (en) * | 2020-03-16 | 2020-11-27 | 樟树市巨商汽车服务有限公司 | New energy automobile transmission shaft automatic lubrication installation |
| CN212144235U (en) * | 2020-04-15 | 2020-12-15 | 大连诚和精密工业有限公司 | Be used for panel beating bender lubricating oil injection mechanism |
| CN212183233U (en) * | 2020-03-27 | 2020-12-18 | 靖江嘉良汽车配件有限公司 | Motor rotating shaft with lubricating structure |
| CN212615710U (en) * | 2020-07-09 | 2021-02-26 | 南通奔腾精密机器有限公司 | Hydraulic bending machine oil cylinder with adjustable stroke |
| CN213511933U (en) * | 2020-10-26 | 2021-06-22 | 浙江祥泰轴承制造有限公司 | Dustproof ball screw with self-lubricating function |
-
2021
- 2021-09-03 CN CN202111030819.9A patent/CN113732187B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29920111U1 (en) * | 1999-03-05 | 2000-02-03 | Hiwin Tech Corp | Self-lubricating linear guide |
| CN207830373U (en) * | 2018-01-17 | 2018-09-07 | 浙江成大传动设备有限公司 | A kind of linear slide rail sliding block |
| CN108916625A (en) * | 2018-08-03 | 2018-11-30 | 安徽麦司科技有限公司 | A kind of self-lubricated perforating press |
| CN108867123A (en) * | 2018-08-24 | 2018-11-23 | 江阴市永昌交通机械部件有限公司 | A kind of push-and-pull cable core of antifriction |
| CN110271987A (en) * | 2019-07-05 | 2019-09-24 | 谭士龙 | A kind of combination type pulley group of movable and fixed pulley conversion |
| CN210423570U (en) * | 2019-09-18 | 2020-04-28 | 华东交通大学 | Lubricating device for track lubrication |
| CN212028488U (en) * | 2020-03-16 | 2020-11-27 | 樟树市巨商汽车服务有限公司 | New energy automobile transmission shaft automatic lubrication installation |
| CN212183233U (en) * | 2020-03-27 | 2020-12-18 | 靖江嘉良汽车配件有限公司 | Motor rotating shaft with lubricating structure |
| CN212144235U (en) * | 2020-04-15 | 2020-12-15 | 大连诚和精密工业有限公司 | Be used for panel beating bender lubricating oil injection mechanism |
| CN211990363U (en) * | 2020-04-22 | 2020-11-24 | 万基控股集团检修安装有限公司 | Adjustable bending die |
| CN212615710U (en) * | 2020-07-09 | 2021-02-26 | 南通奔腾精密机器有限公司 | Hydraulic bending machine oil cylinder with adjustable stroke |
| CN213511933U (en) * | 2020-10-26 | 2021-06-22 | 浙江祥泰轴承制造有限公司 | Dustproof ball screw with self-lubricating function |
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| CN113732187A (en) | 2021-12-03 |
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