CN114749957A - Large-scale rivet welding frock centre gripping lathe - Google Patents
Large-scale rivet welding frock centre gripping lathe Download PDFInfo
- Publication number
- CN114749957A CN114749957A CN202210458904.3A CN202210458904A CN114749957A CN 114749957 A CN114749957 A CN 114749957A CN 202210458904 A CN202210458904 A CN 202210458904A CN 114749957 A CN114749957 A CN 114749957A
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- clamping
- disc
- machine tool
- clamping device
- rivet welding
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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
Abstract
The invention discloses a clamping machine tool for a large-scale rivet welding tool, which comprises a machine tool frame body and a clamping device, wherein the clamping device is arranged on the machine tool frame, a main sliding shaft and a rail are arranged on the machine tool frame, the clamping device is respectively arranged on two sides of the main sliding shaft, and the movable clamping device performs relative or opposite horizontal movement on the main sliding shaft and the rail relative to the fixed clamping device; the clamping device comprises two opposite disc-shaped workpieces arranged on the machine tool frame and a rotatable clamping disc arranged on the inner side of each disc-shaped workpiece, and a groove is formed in the inner surface of each clamping disc; the disc-shaped workpiece is provided with through grooves, each through groove is provided with at least one movable convex clamping part, and the convex clamping parts are embedded with the grooves of the clamping discs and move along with the rotation of the clamping discs in the through grooves relative to the circle centers of the clamping discs. The clamping device is convenient to adjust, the clamping tool is firm, and the problems that the existing machine tool is inconvenient to clamp large tools, low in efficiency and incapable of being matched with large tools with various sizes are solved.
Description
Technical Field
The invention relates to the technical field of large-scale tooling equipment, in particular to a clamping machine tool for a large-scale rivet welding tooling.
Background
Before or after machining, the tool needs to be fixed on a machine tool so as to facilitate cutting of a machine tool or heat dissipation and cooling after machining, and therefore, a dedicated tool needs to be designed to clamp a workpiece.
However, for some large rivet welding tools, because the mass and size of the tool are large, the tool is not easy to place, the tool is difficult to install and clamp, the time is consumed, the working efficiency is greatly reduced, and meanwhile, some safety problems exist in the clamping process, such as the possibility of pressing hands of workers or causing other physical injuries to the workers.
Therefore, how to solve the problem of fixing the large rivet welding tool on the machine tool needs to be solved urgently.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the clamping device of the machine tool is convenient to adjust, the clamping rivet welding tool is firm, and the problems that the existing large tool for clamping the machine tool is not convenient enough, low in efficiency and incapable of being matched with large tools of various sizes can be solved.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a clamping machine tool for a large riveting and welding tool comprises a machine tool frame body and clamping devices, wherein the clamping devices are arranged on the machine tool frame, a main sliding shaft and a rail are arranged on the machine tool frame, the clamping devices are respectively arranged on two sides of the main sliding shaft, and one movable clamping device can do relative or opposite horizontal movement on the main sliding shaft and the rail relative to the other fixed clamping device; the clamping device comprises two opposite disc-shaped workpieces arranged on the machine tool frame and a rotatable clamping disc arranged on the inner side of each disc-shaped workpiece, and a groove is formed in the inner surface of each clamping disc; the disc-shaped workpiece is provided with through grooves, each through groove is provided with at least one movable convex clamping part, and the convex clamping parts are embedded with the grooves of the clamping discs and move along with the rotation of the clamping discs in the through grooves relative to the circle centers of the clamping discs.
The main sliding shaft is a threaded shaft, one movable clamping device is sleeved on the threads of the main sliding shaft, the main sliding shaft and the clamping devices arranged on two sides of the main sliding shaft are arranged, the clamping space between the clamping devices is adjusted by means of relative or opposite horizontal movement of one movable clamping device on the main sliding shaft relative to the other fixed clamping device so as to adapt to welding tools with different widths, the movable clamping device is integrally connected with the main sliding shaft, two sides of the bottom of the movable clamping device are arranged on a track of a machine frame, and when the main sliding shaft rotates, the movable clamping device is driven to displace on the track; two opposite disc-shaped workpieces and a rotatable clamping disc arranged on the inner sides of the disc-shaped workpieces are arranged, and grooves are formed in the inner surfaces of the clamping discs; the through groove has been seted up on the discoid work piece, every is led to the groove and is equipped with the protruding clamping part of at least one mobilizable formula, protruding clamping part and the recess looks gomphosis of centre gripping dish and along with the rotation of centre gripping dish is leading to the centre of a circle synchronous displacement of the relative centre gripping dish in the inslot, rotatory centre gripping dish reaches the position of the protruding clamping part on the regulation disc to better, faster, more accurately centre gripping is to the welding frock of different shape structures.
As a preferable aspect of the present invention, the disk-shaped workpiece further has a slide rail extending to the frame of the machine frame, and the slide rail is provided with a stopper slidable along the slide rail. The blocking part slides on the slide rail until contacting with the movable clamping part to block the displacement of the clamping part.
In a preferred embodiment of the present invention, the clamping device further comprises a clamping table disposed between the two disk-shaped workpieces, the clamping table having two clamping stoppers mounted thereon, wherein one of the clamping tables is movable relative to the other fixed clamping table or vice versa. The clamping table is arranged between the two disc-shaped workpieces, the clamping table is provided with two clamping blocking pieces for temporarily putting in a welding tool to provide an adjusting gap for workers, and the clamping blocking pieces prevent the tool from rolling down the clamping table when the welding tool is moved.
As a preferable scheme of the present invention, a holding disk is detachably mounted in a disk-shaped workpiece, the holding disk and the disk-shaped workpiece are coaxially connected through a rotating shaft; the surface of the clamping disk without the groove is also provided with a handle for rotating the clamping disk. The handle is rotated to drive the clamping disc to rotate, so that time and labor are saved, the operation is convenient, and the efficiency is improved.
In a preferred embodiment of the present invention, a main slide shaft rotating device for displacing the holding device is further provided on one side of the movable holding device. The main sliding shaft rotating device is a rotating handle sleeved on the main sliding shaft, and the clamping device is controlled to move on the main sliding shaft by rotating the rotating handle, so that time and labor are saved, and the efficiency is improved.
As a preferable scheme of the invention, the disc-shaped workpiece is provided with through grooves at intervals of 120 degrees around the circle center, and each through groove is internally provided with a movable convex clamping part.
As a preferable scheme of the invention, the movable convex clamping part is used for clamping the workpiece in a step shape, and the bottom of the step-shaped clamping workpiece extends into the through groove and is embedded in the groove. The stepped clamping workpieces have three stages, the part closest to the circle center is the highest, the part farthest from the circle center is the lowest, small grooves or threads are arranged on the periphery of each step of the stepped clamping workpieces, the stepped clamping workpieces can be more suitable for welding tools with different shapes and structures, and compared with a clamping block with a smooth surface, the stepped clamping workpieces with different heights are matched, the friction force between the clamping block and the welding tool is larger, and the clamping tool is firmer.
As a preferable scheme of the invention, a plurality of through holes are arranged on the machine bed frame and the clamping device. The through hole is used for radiating and cooling the clamped large rivet welding tool.
As a preferable scheme of the invention, the grooves of the rotary clamping disc are gradually dense towards the circle center and gradually sparse towards the circumference and are spirally radial as a whole. The groove with the shape can be matched with the clamping disc to rotate more quickly, so that the convex clamping part moves relative to the circle center in the through groove, different clamping components have different distances relative to the circle center, and the clamping disc is more suitable for clamping workpieces with irregular shapes.
As a preferable scheme of the invention, a lifting device capable of lifting the clamping table is further arranged at the bottom of the machine tool frame. The lifting device mainly comprises a supporting threaded cylinder and a threaded cylinder rotating handle, and the lifting device is arranged below the clamping table, so that the lifting device is a welding tool better adapting to different heights so as to be fixed by the raised clamping part accurately.
The beneficial effects of the invention are:
(1) the clamping device is provided with a main sliding shaft and clamping devices arranged on two sides of the main sliding shaft, and the clamping space between the clamping devices is adjusted by the relative or opposite horizontal movement of one movable clamping device on the main sliding shaft relative to the other fixed clamping device so as to adapt to welding tools with different widths.
(2) The method comprises the following steps of arranging two opposite disc-shaped workpieces and a rotatable clamping disc arranged on the inner side of each disc-shaped workpiece, wherein the inner surfaces of the clamping discs are provided with grooves; the through groove has been seted up on the discoid work piece, every is led to the groove and is equipped with the protruding clamping part of at least one mobilizable formula, protruding clamping part and the recess looks gomphosis of centre gripping dish and along with the centre of a circle displacement of the relative centre gripping dish in leading to the inslot of the rotation of centre gripping dish, rotatory centre gripping dish reaches the position of the protruding clamping part on the regulation disc to better, faster, more accurately centre gripping is to the welding frock of different shape structures.
(3) The clamping table is arranged between the two disc-shaped workpieces, and two clamping stoppers are arranged on the clamping table and used for temporarily placing a welding tool to provide an adjusting gap for workers; and set up lifting device under the centre gripping platform, then be the welding frock that better adapts to not co-altitude so that fixed by protruding clamping part accurately.
Drawings
Fig. 1 is a schematic structural view of a large rivet welding tool clamping machine in embodiment 1;
FIG. 2 is a top view of a large rivet welding fixture clamping machine in embodiment 1;
the above-mentioned reference numerals: 1. a frame of the machine tool; 2. a main slide shaft; 3. a track; 4. a disc-shaped workpiece; 5. a clamping plate; 6. a through groove; 7. clamping a workpiece; 8. a slide rail; 9. a blocking member; 10. a clamping table; 11. a holding stopper; 12. a grip plate rotation handle; 13. a main slide shaft rotating handle; 14. a threaded cylinder rotating handle; 15. and a through hole.
Detailed Description
The invention is further illustrated with reference to the following figures and examples, which are not intended to limit the scope of the invention in any way.
Example 1
As shown in fig. 1-2, a clamping machine tool for large riveting and welding tools comprises a machine frame 1 body and clamping devices, wherein the clamping devices are installed on the machine frame 1, a main sliding shaft 2 and a rail 3 are arranged on the machine frame 1, the clamping devices are respectively installed on two sides of the main sliding shaft 2, and one movable clamping device can horizontally move relatively or reversely on the main sliding shaft 2 and the rail 3 relative to the other fixed clamping device; the clamping device comprises two opposite disc-shaped workpieces 4 arranged on the machine bed frame 1 and a rotatable clamping disc 5 arranged on the inner side of each disc-shaped workpiece 4, wherein a groove is formed in the inner surface of each clamping disc 5; the disc-shaped workpiece 4 is provided with a through groove 6, each through groove 6 is provided with at least one movable convex clamping part, and the convex clamping parts are embedded with the grooves of the clamping discs 5 and synchronously displace along with the rotation of the clamping discs 5 relative to the circle centers of the clamping discs 5 in the through grooves 6.
In this embodiment, the whole groove of the rotary clamping disk 5 is a spiral radial groove which is uniformly distributed, so as to make the convex clamping part move synchronously, thereby achieving the purpose of clamping the welding tool with a regular shape; the disc-shaped workpiece 4 is also provided with a slide rail 8 extending to the machine bed frame 1, and a disc-shaped blocking piece 9 capable of sliding along the slide rail 8 is arranged on the slide rail 8; disc-shaped work piece 4 sets up a logical groove 6 around the centre of a circle every 120, set up the protruding clamping part of a movable type in every logical groove 6, the protruding clamping part of movable type is echelonment centre gripping work piece 7 for the shape, echelonment centre gripping work piece 7 bottom stretches into logical groove 6 and gomphosis in the recess, clamping device is still including setting up the centre gripping platform 10 in the middle of two disc-shaped work pieces 4, install two centre gripping on the centre gripping platform 10 and keep off 11, relative or opposite motion is made for another fixed centre gripping platform 10 to one of them centre gripping platform 10.
In the present embodiment, the holding plate 5 is detachably mounted in the disk-shaped workpiece 4, and the holding plate 5 and the disk-shaped workpiece are coaxially connected by a rotating shaft; the surface of the holding disc 5 without the groove is also provided with a holding disc rotating handle 12 for rotating the holding disc 5, one side of the movable holding device is also provided with a main sliding shaft rotating handle 13 for displacing the holding device, the bottom of the machine tool frame 1 is also provided with a supporting threaded column body and a threaded column body rotating handle 14 which can lift the holding table 10, and a plurality of through holes 15 are arranged on the machine tool frame 1 and the holding device.
The working principle and the method of the large riveting and welding tool clamping machine tool are as follows:
a worker first places a welded fixture on the clamping table 10 at one side of the fixed clamping device, the clamping stopper 11 assists the fixture to remain stationary, then the main sliding shaft rotating handle 13 is rotated to make the movable clamping device move towards the fixed clamping device, after the clamping space between the clamping devices is adjusted, measuring the height difference between the tool and the clamping component, rotating the threaded cylinder handle to lift the clamping table 10, when the clamping table is lifted to a proper height, when the clamping disc rotating handle 12 of the clamping disc 5 is rotated to drive the stepped workpiece in the through groove 6 to move, and the stepped clamping workpiece 7 moves to a proper position capable of completely fixing the welding tool, the disc-shaped blocking piece 9 is moved to be in contact with the stepped clamping workpieces 7 to block the stepped workpieces from moving, and then the main sliding shaft rotating handle 13 is rotated to enable the stepped clamping workpieces 7 of the two clamping discs 5 to firmly clamp the welding tool.
Example 2
In this embodiment, the whole of the groove of the rotating clamping disk 5 is a groove which is gradually dense towards the center of the circle, gradually sparse towards the circumference, and overall spirally radial, and although the three clamping portions move synchronously, the positions of the three clamping portions are different from the center of the circle, so that the clamping device is suitable for clamping irregularly-shaped tools.
The above technical features can be changed by the text description of the person skilled in the art, so that the description of the figures is omitted.
Claims (10)
1. The utility model provides a large-scale rivet welding frock centre gripping lathe, includes lathe frame body and clamping device, clamping device installs on the lathe frame its characterized in that: the machine tool frame is provided with a main sliding shaft and a rail, two sides of the main sliding shaft are respectively provided with a clamping device, and one movable clamping device can horizontally move relatively or reversely relative to the other fixed clamping device on the main sliding shaft and the rail;
the clamping device comprises two opposite disc-shaped workpieces arranged on the machine tool frame and a rotatable clamping disc arranged on the inner side of each disc-shaped workpiece, and a groove is formed in the inner surface of each clamping disc;
through grooves are formed in the disc-shaped workpiece, each through groove is provided with at least one movable type protruding clamping part, and the protruding clamping parts are embedded with the grooves of the clamping discs and move along with the rotation of the clamping discs in the through grooves relative to the circle centers of the clamping discs.
2. The large-scale rivet welding tool clamping machine tool according to claim 1, characterized in that: the disc-shaped workpiece is also provided with a slide rail extending to the frame of the machine tool, and the slide rail is provided with a blocking piece capable of sliding along the slide rail.
3. The large-scale rivet welding tool clamping machine tool according to claim 2, characterized in that: the clamping device also comprises a clamping table arranged between the two disc-shaped workpieces, two clamping blocking parts are arranged on the clamping table, and one clamping table moves relative to or opposite to the other fixed clamping table.
4. The large-scale rivet welding tool clamping machine tool of claim 3, characterized in that: the clamping disc is detachably arranged in the disc-shaped workpiece, and the clamping disc and the disc-shaped workpiece are coaxially connected through a rotating shaft; the surface of the clamping disk without the groove is also provided with a handle for rotating the clamping disk.
5. The large-scale rivet welding tool clamping machine tool of claim 3, characterized in that: one side of the movable clamping device is also provided with a main sliding shaft rotating device which enables the clamping device to move.
6. The large-scale rivet welding tool clamping machine tool according to claim 3, characterized in that: the disc-shaped workpiece is provided with through grooves at intervals of 120 degrees around the circle center, and each through groove is internally provided with a movable type convex clamping part.
7. The large-scale rivet welding tool clamping machine tool of claim 3, characterized in that: the movable convex clamping part is a workpiece with a step shape, and the bottom of the step-shaped workpiece extends into the through groove and is embedded in the groove.
8. The large-scale rivet welding tool clamping machine tool according to claim 3, characterized in that: a plurality of through holes are formed in the machine tool frame and the clamping device.
9. The large-scale rivet welding tool clamping machine tool of claim 3, characterized in that: the grooves of the rotary clamping disc are gradually dense towards the circle center and gradually sparse towards the circumference and are spirally radial as a whole.
10. The large-scale rivet welding tool clamping machine tool according to any one of claims 3 to 9, characterized in that: the bottom of the machine tool frame is also provided with a lifting device capable of lifting the clamping table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210458904.3A CN114749957A (en) | 2022-04-28 | 2022-04-28 | Large-scale rivet welding frock centre gripping lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210458904.3A CN114749957A (en) | 2022-04-28 | 2022-04-28 | Large-scale rivet welding frock centre gripping lathe |
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| Publication Number | Publication Date |
|---|---|
| CN114749957A true CN114749957A (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210458904.3A Pending CN114749957A (en) | 2022-04-28 | 2022-04-28 | Large-scale rivet welding frock centre gripping lathe |
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| Country | Link |
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| CN (1) | CN114749957A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127637A (en) * | 2015-09-16 | 2015-12-09 | 江南大学 | Automatic welding clamp for cross type iron tower workpiece |
| CN211072648U (en) * | 2019-07-23 | 2020-07-24 | 南京工程学院 | Anchor clamps and digit control machine tool for digit control machine tool |
| CN213530794U (en) * | 2020-11-20 | 2021-06-25 | 厦门市金精通五金制品有限公司 | Novel tool for workpiece machining lathe |
| CN113125560A (en) * | 2021-04-16 | 2021-07-16 | 宝武杰富意特殊钢有限公司 | Synchronous centering clamping device for bar flaw detection and bar flaw detection method |
| CN114393307A (en) * | 2022-03-14 | 2022-04-26 | 浙江顺得机械有限公司 | Two-side clamping type welding tool |
-
2022
- 2022-04-28 CN CN202210458904.3A patent/CN114749957A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127637A (en) * | 2015-09-16 | 2015-12-09 | 江南大学 | Automatic welding clamp for cross type iron tower workpiece |
| CN211072648U (en) * | 2019-07-23 | 2020-07-24 | 南京工程学院 | Anchor clamps and digit control machine tool for digit control machine tool |
| CN213530794U (en) * | 2020-11-20 | 2021-06-25 | 厦门市金精通五金制品有限公司 | Novel tool for workpiece machining lathe |
| CN113125560A (en) * | 2021-04-16 | 2021-07-16 | 宝武杰富意特殊钢有限公司 | Synchronous centering clamping device for bar flaw detection and bar flaw detection method |
| CN114393307A (en) * | 2022-03-14 | 2022-04-26 | 浙江顺得机械有限公司 | Two-side clamping type welding tool |
Non-Patent Citations (1)
| Title |
|---|
| 陈源编: "车工技术基础", 上海科学技术出版社, pages: 90 * |
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