CN111360561A - Mechanical fixture for cutting steel pipe - Google Patents
Mechanical fixture for cutting steel pipe Download PDFInfo
- Publication number
- CN111360561A CN111360561A CN202010138608.6A CN202010138608A CN111360561A CN 111360561 A CN111360561 A CN 111360561A CN 202010138608 A CN202010138608 A CN 202010138608A CN 111360561 A CN111360561 A CN 111360561A
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- Prior art keywords
- plate
- buffer
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- pair
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a mechanical clamp for cutting a steel pipe, and belongs to the technical field of mechanical clamps. The buffer device comprises a barrel, a drive plate and a pair of snake-shaped rubber pieces, wherein the barrel is arranged in a corresponding counter bore at the top end of the workbench; the driving plate is in sliding fit with the barrel, the bottom end of the buffer rod can be pressed against the top end of the driving plate, and the annular plate arranged at the top end of the barrel can limit the driving plate in the barrel; the pair of snake-shaped rubber pieces are arranged between the bottom end of the driving plate and the bottom wall of the cylinder body, and due to the adoption of the structure, the buffering effect of the buffering device is optimized, and the buffering performance of the buffering device is improved.
Description
Technical Field
The invention relates to the technical field of mechanical clamps, in particular to a mechanical clamp for cutting a steel pipe.
Background
The machine tool clamp is a device for clamping a workpiece and guiding a cutter on a machine tool, and is specially designed for a certain procedure of a certain workpiece.
Chinese patent CN201711139398.7 discloses a mechanical fixture for cutting steel pipes, comprising a working frame, wherein one side of the top of the working frame is fixedly connected with a sliding track, the top of the working frame is positioned at one end of the sliding track and is fixedly connected with a fixed support, the outer wall of the sliding track is sleeved with a sliding block, the top of the sliding block is fixedly connected with a movable support, the lower part of the inner side of the movable support is fixedly connected with a telescopic feeding pipe, one side of the top of the fixed support, which is close to the movable support, is fixedly connected with a hydraulic cylinder, the hydraulic cylinder is fixedly connected with the movable support through a hydraulic rod, one side of the fixed support, which is far away from the movable support, is fixedly connected with a fixing device, wherein the fixing device comprises a working outer frame, the top of the inner wall of the working outer, the third belt pulley is rotatably connected with a fourth belt pulley through a belt. The number of the first belt pulleys and the number of the second belt pulleys are four and are symmetrically arranged. Fourth belt pulley below is through parallel key fixedly connected with threaded rod, and limit baffle is installed to the threaded rod bottom, and threaded rod outer wall cover is equipped with the screw slider. The work frame inner wall is located first motor and second motor below fixedly connected with supplementary carriage, and supplementary carriage outside sliding connection has supplementary slider, and one side and the screw thread slider fixed connection of supplementary carriage are kept away from to supplementary slider. One side of the threaded sliding block, which is far away from the auxiliary sliding block, is rotatably connected with a first connecting rod through the switching frame, and one end of the first connecting rod, which is far away from the switching frame, is rotatably connected with a moving block. The middle part of the inner wall of the working outer frame is fixedly connected with a partition plate, the middle position of the top of the partition plate is fixedly connected with a sliding cavity through a mounting table, and the inner wall of the sliding cavity is connected with a moving block in a sliding mode. The movable block bottom fixedly connected with pushes down the connecting rod, and splint mounting bracket fixedly connected with splint are passed through to push down the connecting rod bottom, splint both sides fixedly connected with buffer beam, work frame inner wall bottom fixedly connected with workstation, the intermediate position fixedly connected with anchor clamps brace table at workstation top, the workstation inner chamber is located anchor clamps brace table both sides and is provided with buffer. The outer wall of the first connecting rod is sleeved with a sliding sleeve, two sides of the top of the partition are fixedly connected with a rotating rod mounting frame, and the sliding sleeve is rotatably connected with the rotating rod mounting frame through a second connecting rod. Buffer includes the buffering frame, and buffer frame inner wall bottom removes the buffer block through buffer spring fixedly connected with, removes buffer block top fixedly connected with buffering supporting seat.
In above-mentioned patent document, buffer includes buffer frame, buffer spring, removal buffer block and buffering supporting seat, wherein, plays the buffer spring of cushioning effect, therefore when the impact force that produces when the buffer beam moves down was great, then can make buffer spring take place unrecoverable deformation to make buffer spring can't cushion splint, thereby reduced fixing device's stability, reduced the stability of whole anchor clamps.
Disclosure of Invention
The invention provides a mechanical clamp for cutting a steel pipe, which solves the problem of low stability of the mechanical clamp for cutting the steel pipe caused by poor buffering effect of a buffering device in the mechanical clamp for cutting the steel pipe in the background technology.
The utility model provides a mechanical fixture is used in steel pipe cutting, includes the framework, be equipped with the workstation on the bottom of framework, be equipped with a pair of buffer in the workstation, buffer with be located the buffer beam that the workstation top corresponds cooperatees, wherein, buffer includes:
the cylinder is arranged in a counter bore corresponding to the top end of the workbench;
the drive plate is in sliding fit with the barrel, the bottom end of the buffer rod can be pressed against the top end of the drive plate, and the annular plate arranged at the top end of the barrel can limit the drive plate in the barrel;
a pair of snake-shaped rubber pieces, a pair of snake-shaped rubber pieces are arranged between the bottom end of the driving plate and the bottom wall of the barrel body.
Preferably, buffer still includes the buffer board, the buffer board with barrel sliding fit, a pair of snakelike rubber spare sets up the bottom of drive plate with between the top of buffer board, just the top of buffer board has the hemisphere head, the hemisphere head is located between a pair of snakelike rubber spare, the top of going up the hemisphere head is equipped with the block rubber, is located the lower hemisphere head of drive plate bottom can support and press on the block rubber, the bottom of buffer board with be equipped with a pair of first spring between the diapire of barrel.
Preferably, an annular limiting plate is arranged on the inner wall of the barrel, and the first spring is arranged between the bottom end of the buffer plate and the top end of the annular limiting plate.
Preferably, the buffer device further comprises a moving member and a linkage assembly, the moving member is in sliding fit with the cylinder, the bottom plate located at the lower part of the moving member is located below the annular limiting plate, the top shaft located at the upper end of the bottom plate is in sliding fit with the inner hole of the annular limiting plate, and the linkage assembly is arranged between the bottom plate and the bottom wall of the cylinder.
Preferably, the linkage assembly comprises:
the upper plate of the I-shaped plate is connected with the bottom plate;
one end of the first long swing rod is pivoted on the upper part of the vertical plate of the I-shaped plate;
the other end of the first long swing rod is pivoted on a cross rod of the T-shaped rod, and the cross rod of the T-shaped rod is in sliding fit with a fixing plate positioned on one side wall of the cylinder body;
one end of the second long swing rod is pivoted on the end part of the vertical rod of the T-shaped rod, and the other end of the second long swing rod is pivoted on the lower part of the vertical plate;
and one end of the short swing rod is pivoted on the middle part of the first long swing rod, and the other end of the short swing rod is pivoted on a pivoting plate positioned on the other side wall of the barrel.
Preferably, a guide sinking groove is formed in the fixing plate, and a cross bar of the T-shaped rod is in sliding fit with the guide sinking groove.
Preferably, the linkage assembly further comprises a second spring disposed between an outer end of the cross bar of the T-shaped bar and the bottom wall of the guide sinker.
Preferably, the buffer device further comprises a rubber column, and the rubber column is arranged between the lower plate of the I-shaped plate and the bottom wall of the cylinder body.
Preferably, a U-shaped plate is embedded in the rubber column, and the top of the U-shaped plate extends to the upper end of the rubber column.
The invention has the beneficial effects that:
1. because the buffer device comprises the driving plate and the pair of snake-shaped rubber pieces, when the buffer rod moves downwards to generate impact force, the driving plate moves downwards to compress the snake-shaped rubber pieces, so that kinetic energy generated when the buffer rod moves downwards is converted into the kinetic energy of the driving plate and the elastic potential energy of the pair of snake-shaped rubber pieces, and the buffer effect of the buffer device is optimized;
2. because the buffer device also comprises the buffer plate and the pair of first springs, when the buffer rod moves downwards to generate impact force to enable the drive plate to move downwards, and when the lower hemispherical head at the lower end of the drive plate is pressed against the rubber block, the buffer plate can be driven to move downwards to compress the pair of first springs, so that kinetic energy of the buffer rod during moving downwards is converted into the kinetic energy of the buffer plate and the elastic potential energy of the pair of first springs, and the buffer performance of the buffer device is further enhanced;
3. the buffer device also comprises a moving piece and a linkage component, wherein the linkage component comprises an I-shaped plate, a first long swing rod, a T-shaped rod, a second long swing rod, a short swing rod and a second spring, so that when the buffer rod moves downwards to generate impact force to enable the driving plate to move downwards, the buffer plate can be enabled to move downwards, when the lower end of the buffer plate is pressed on the jacking shaft, the moving piece can move downwards to drive the I-shaped plate to move downwards, in the process of moving downwards of the I-shaped plate, the first long swing rod and the second long swing rod can be driven to swing, the cross rod of the T-shaped rod can move to compress the second spring and drive the short swing rod to swing, and kinetic energy of the buffer rod moving downwards is converted into kinetic energy of the I-shaped plate, the first long swing rod, the T-shaped rod, the second long swing rod and the short swing rod and elastic potential energy of the second spring, so that the buffer effect of the;
4. because the buffer device also comprises the rubber column, when the I-shaped plate moves downwards, the rubber column is compressed, kinetic energy of the buffer rod which moves downwards is converted into elastic potential energy of the rubber column, and the buffer performance of the buffer device is enhanced again;
5. because the rubber column is embedded to be equipped with the U-shaped board, therefore strengthened the structure of rubber column, can prevent that the rubber column from taking place excessive deformation to the life of rubber column has been prolonged, and then has prolonged buffer's life, has further prolonged fixing device's life.
Drawings
FIG. 1 is a partial schematic view of a fastening device according to the present invention;
FIG. 2 is an enlarged view at G of FIG. 1;
fig. 3 is an enlarged view at H in fig. 2.
Description of reference numerals:
1-cylinder body, 2-driving plate, 21-lower hemispherical head, 22-circular plate, 23-protruding shaft, 3-snake-shaped rubber part, 4-buffer plate, 41-upper hemispherical head, 42-rubber block, 43-upper guide shaft, 5-first spring, 6-moving part, 61-bottom plate, 62-top shaft, 7-linkage component, 71-I-shaped plate, 711-upper plate, 712-vertical plate, 72-first long swing rod, 73-T-shaped rod, 74-second long swing rod, 75-short swing rod, 76-second spring, 10-frame body, 20-workbench, 201-counter bore, 30-buffer rod, 40-annular plate, 50-annular limiting plate, 60-fixing plate, 601-guide sinking groove, 70-pivoting plate, 80-rubber column, 90-U-shaped plate and 100-lower guide shaft.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
The first embodiment is as follows:
as shown in fig. 1 and 2, a mechanical fixture for cutting a steel pipe comprises a frame body 10, a worktable 20 is arranged at the bottom end of the frame body 10, a pair of buffer devices is arranged in the worktable 20, the buffer devices are matched with buffer rods 30 corresponding to the upper side of the worktable 20, each buffer device comprises a cylinder body 1, a driving plate 2 and a pair of snake-shaped rubber members 3, the cylinder body 1 is arranged in a counter bore 201 corresponding to the top end of the worktable 20, the driving plate 2 comprises a circular plate 22 and a convex shaft 23 arranged at the upper end of the circular plate 22, the circular plate 22 is in sliding fit with the cylinder body 1, the bottom end of the buffer rod 30 can be pressed against the top end of the driving plate 2, an annular plate 40 arranged at the top end of the cylinder body 1 can limit the circular plate 22 in the cylinder body 1, and the convex shaft 23 is in sliding fit with the inner hole of the annular plate 40, a pair of serpentine rubbers 3 is provided between the bottom end of the drive plate 2 and the bottom wall of the barrel 1.
Example two:
as shown in fig. 2, on the basis of the first embodiment, the buffer device further includes a buffer plate 4, the buffer plate 4 is in sliding fit with the cylinder 1, the pair of serpentine rubber members 3 is disposed between the bottom end of the driving plate 2 and the top end of the buffer plate 4, the top end of the buffer plate 4 is provided with an upper hemispherical head 41, the upper hemispherical head 41 is located between the pair of serpentine rubber members 3, the top of the upper hemispherical head 41 is provided with a rubber block 42, the lower hemispherical head 21 located at the bottom end of the driving plate 2 can be pressed against the rubber block 42, due to the provision of the rubber block 42, not only the rigid collision between the upper hemispherical head 41 and the lower hemispherical head 21 can be prevented, but also the buffer function can be achieved, the pair of first springs 5 is disposed between the bottom end of the buffer plate 4 and the bottom wall of the cylinder 1, the upper ends of the first springs 5 are sleeved on an upper guide shaft 43 corresponding to the lower end of the buffer plate 4, the lower end of the first spring 5 is sleeved on the lower guide shaft 100 corresponding to the upper end of the annular limiting plate 50.
In this embodiment, an annular limiting plate 50 is arranged on the inner wall of the barrel 1, and the first spring 5 is arranged between the bottom end of the buffer plate 4 and the top end of the annular limiting plate 50.
Example three:
as shown in fig. 2 and fig. 3, on the basis of the second embodiment, the buffering device further includes a moving member 6 and a linkage assembly 7, the moving member 6 is in sliding fit with the cylinder 1, a bottom plate 61 located at the lower part of the moving member 6 is located below the ring-shaped limiting plate 50, a top shaft 62 located at the upper end of the bottom plate 61 is in sliding fit with an inner hole of the ring-shaped limiting plate 50, and the linkage assembly 7 is disposed between the bottom plate 61 and the bottom wall of the cylinder 1.
As shown in fig. 3, the linkage assembly 7 includes a i-shaped plate 71, a first long swing link 72, a T-shaped bar 73, a second long swing link 74 and a short swing link 75, the upper plate 711 of the I-shaped plate 71 is connected with the bottom plate 61, one end of the first long swing link 72 is pivoted on the upper part of the vertical plate 712 of the I-shaped plate 71, the other end of the first long swing link 72 is pivoted on the cross bar of the T-shaped bar 73, and the cross bar of the T-shaped bar 73 is slidably fitted with the fixing plate 60 on one side wall of the cylinder 1, one end of the second long swing link 74 is pivoted on the end of the vertical rod of the T-shaped rod 73, the other end of the second long swing link 74 is pivoted on the lower part of the vertical plate 712, one end of the short swing link 75 is pivotally connected to the middle of the first long swing link 72, and the other end of the short swing link 75 is pivotally connected to the pivot plate 70 located on the other side wall of the cylinder 1.
In this embodiment, the fixing plate 60 is provided with a guiding sinking groove 601, and the cross bar of the T-shaped bar 73 is slidably engaged with the guiding sinking groove 601.
Example four:
as shown in fig. 3, in the third embodiment, the linkage assembly 7 further includes a second spring 76, and the second spring 76 is disposed between the outer end of the cross bar of the T-shaped bar 73 and the bottom wall of the guide sinking groove 601.
Example five:
as shown in fig. 3, on the basis of the fourth embodiment, the buffer device further includes a rubber column 80, and the rubber column 80 is disposed between the lower plate 713 of the i-shaped plate 71 and the bottom wall of the cylinder 1.
In the above structure, when the buffer rod 30 moves downward to generate an impact force, the driving plate 2 is urged to move downward to compress the pair of serpentine rubber members 3, when the lower hemispherical head 21 is pressed against the rubber block 42, the buffer plate 4 is urged to move downward to compress the pair of first springs 5, when the lower end of the buffer plate 4 is pressed against the top shaft 62, the moving member 6 is urged to move downward, the moving member 6 moves downward to urge the i-shaped plate 71 to move downward, so that the first long oscillating bar 72 and the second long oscillating bar 74 swing to urge the T-shaped bar 73 to move, the second springs 76 are compressed, the short oscillating bars 75 are urged to swing, and when the i-shaped plate 71 moves downward, the rubber columns 80 are compressed, so that in this process, the kinetic energy of the buffer rod 30 is converted into the kinetic energy of the driving plate 2, the buffer plate 4, the moving member 6, the i-shaped plate 71, the first long oscillating bar 72, the T-shaped bar 73, the second long oscillating bar 74 and the short oscillating bars, and the elastic potential energy of the pair of snake-shaped rubber pieces 3, the pair of first springs 5, the second springs 76 and the rubber columns 80, so that the clamping plates positioned at the upper ends of the pair of buffer rods 30 are buffered, the stability of the fixing device is improved, and the stability of the mechanical clamp for cutting the steel pipe is further improved.
Example six:
as shown in fig. 3, on the basis of the fifth embodiment, a U-shaped plate 90 is embedded in the rubber column 80, the top of the U-shaped plate 90 extends to the upper end of the rubber column 80, and the U-shaped plate 90 is arranged, so that the structure of the rubber column 80 is enhanced, the rubber column 80 can be prevented from being excessively deformed, the service life of the rubber column 80 is prolonged, and the service life of the buffer device is further prolonged.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (9)
1. The utility model provides a mechanical fixture is used in steel pipe cutting, includes framework (10), be equipped with workstation (20) on the bottom of framework (10), be equipped with a pair of buffer in workstation (20), buffer with be located buffer bar (30) that workstation (20) top corresponds cooperate, its characterized in that, buffer includes:
the cylinder body (1), the cylinder body (1) is arranged in a counter bore (201) corresponding to the top end of the workbench (20);
the driving plate (2) is in sliding fit with the barrel body (1), the bottom end of the buffer rod (30) can be pressed against the top end of the driving plate (2), and the driving plate (2) can be limited in the barrel body (1) by an annular plate (40) arranged at the top end of the barrel body (1);
a pair of snakelike rubber spare (3), a pair of snakelike rubber spare (3) set up between the bottom of drive plate (2) and the diapire of barrel (1).
2. The mechanical clamp for cutting the steel pipe as set forth in claim 1, wherein the buffer device further comprises a buffer plate (4), the buffer plate (4) is in sliding fit with the cylinder (1), a pair of snake-shaped rubber members (3) is arranged between the bottom end of the driving plate (2) and the top end of the buffer plate (4), an upper hemispherical head (41) is arranged at the top end of the buffer plate (4), the upper hemispherical head (41) is arranged between the pair of snake-shaped rubber members (3), a rubber block (42) is arranged at the top of the upper hemispherical head (41), a lower hemispherical head (21) at the bottom end of the driving plate (2) can be pressed against the rubber block (42), and a pair of first springs (5) is arranged between the bottom end of the buffer plate (4) and the bottom wall of the cylinder (1).
3. The mechanical clamp for cutting the steel pipe according to claim 2, wherein a ring-shaped limiting plate (50) is arranged on the inner wall of the cylinder (1), and the first spring (5) is arranged between the bottom end of the buffer plate (4) and the top end of the ring-shaped limiting plate (50).
4. The mechanical fixture for cutting steel pipes according to claim 3, wherein the damping device further comprises a moving member (6) and a linkage assembly (7), the moving member (6) is in sliding fit with the cylinder (1), a bottom plate (61) located at the lower part of the moving member (6) is located below the ring-shaped limiting plate (50), a top shaft (62) located at the upper end of the bottom plate (61) is in sliding fit with an inner hole of the ring-shaped limiting plate (50), and the linkage assembly (7) is arranged between the bottom plate (61) and the bottom wall of the cylinder (1).
5. The mechanical clamp for cutting steel pipes according to claim 4, wherein the linkage assembly (7) comprises:
the upper plate (711) of the I-shaped plate (71) is connected with the bottom plate (61);
a first long swing rod (72), wherein one end of the first long swing rod (72) is pivoted on the upper part of a vertical plate (712) of the I-shaped plate (71);
the other end of the first long swing rod (72) is pivoted on a cross rod of the T-shaped rod (73), and the cross rod of the T-shaped rod (73) is in sliding fit with a fixing plate (60) located on one side wall of the cylinder body (1);
a second long swing rod (74), one end of the second long swing rod (74) is pivoted on the end of the vertical rod of the T-shaped rod (73), and the other end of the second long swing rod (74) is pivoted on the lower part of the vertical plate (712);
one end of the short swing rod (75) is pivoted on the middle part of the first long swing rod (72), and the other end of the short swing rod (75) is pivoted on a pivoting plate (70) positioned on the other side wall of the barrel (1).
6. The mechanical fixture for cutting the steel pipe according to claim 5, wherein a guide sinking groove (601) is formed in the fixing plate (60), and a cross bar of the T-shaped bar (73) is slidably fitted with the guide sinking groove (601).
7. The mechanical clamp for cutting steel pipes according to claim 6, wherein the linkage assembly (7) further comprises a second spring (76), and the second spring (76) is disposed between the outer end of the cross bar of the T-shaped bar (73) and the bottom wall of the guide sinker (601).
8. The mechanical clamp for cutting steel pipes according to claim 7, wherein the buffer device further comprises a rubber column (80), and the rubber column (80) is disposed between the lower plate (713) of the I-shaped plate (71) and the bottom wall of the cylinder (1).
9. The mechanical clamp for cutting the steel pipe as set forth in claim 8, wherein a U-shaped plate (90) is embedded in the rubber column (80), and a top of the U-shaped plate (90) extends toward an upper end of the rubber column (80).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010138608.6A CN111360561A (en) | 2020-03-03 | 2020-03-03 | Mechanical fixture for cutting steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010138608.6A CN111360561A (en) | 2020-03-03 | 2020-03-03 | Mechanical fixture for cutting steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111360561A true CN111360561A (en) | 2020-07-03 |
Family
ID=71200309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010138608.6A Pending CN111360561A (en) | 2020-03-03 | 2020-03-03 | Mechanical fixture for cutting steel pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN111360561A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5265956B2 (en) * | 2008-04-23 | 2013-08-14 | 株式会社内藤商会 | Grip jig |
| CN108115161A (en) * | 2017-11-16 | 2018-06-05 | 天长市天翔集团有限公司 | A kind of steel pipe cutting mechanical clamp |
| CN110409855A (en) * | 2019-08-06 | 2019-11-05 | 李鸣鹏 | A kind of architectural engineering protective device |
| CN110814547A (en) * | 2019-11-21 | 2020-02-21 | 杭州海容激光技术有限公司 | Dual-purpose optical fiber laser cutting machine for plate and tube |
-
2020
- 2020-03-03 CN CN202010138608.6A patent/CN111360561A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5265956B2 (en) * | 2008-04-23 | 2013-08-14 | 株式会社内藤商会 | Grip jig |
| CN108115161A (en) * | 2017-11-16 | 2018-06-05 | 天长市天翔集团有限公司 | A kind of steel pipe cutting mechanical clamp |
| CN110409855A (en) * | 2019-08-06 | 2019-11-05 | 李鸣鹏 | A kind of architectural engineering protective device |
| CN110814547A (en) * | 2019-11-21 | 2020-02-21 | 杭州海容激光技术有限公司 | Dual-purpose optical fiber laser cutting machine for plate and tube |
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Application publication date: 20200703 |
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| RJ01 | Rejection of invention patent application after publication |