CN114523307B - Thin-wall pipe fitting clamping device and machine tool using same - Google Patents
Thin-wall pipe fitting clamping device and machine tool using same Download PDFInfo
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- CN114523307B CN114523307B CN202210433688.7A CN202210433688A CN114523307B CN 114523307 B CN114523307 B CN 114523307B CN 202210433688 A CN202210433688 A CN 202210433688A CN 114523307 B CN114523307 B CN 114523307B
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- screw rod
- main shaft
- sleeve
- rod
- butt joint
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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
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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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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Abstract
The utility model provides a thin-wall pipe fitting clamping device and a machine tool using the same, wherein the thin-wall pipe fitting clamping device comprises clamping parts and a connecting mechanism, at least two clamping parts are connected through the connecting mechanism, each clamping part comprises a circular ring frame, a screw rod sleeve, a screw rod, a guide rod, a bevel gear and a main shaft, three screw rod sleeves are respectively and rotatably arranged on the cylindrical surface of the circular ring frame, the screw rod is in threaded connection with the screw rod sleeves, the bevel gear is fixedly sleeved at the end part of the screw rod sleeve, the bevel gear is also fixedly sleeved on the main shaft, the bevel gear on the main shaft is meshed with the bevel gears on the three screw rod sleeves, the connecting mechanism comprises a connecting assembly and a butt joint assembly, and the connecting assembly at the end part of the main shaft in one clamping part is in butt joint with the butt joint assembly at the end part of the main shaft in the other clamping part. The mutually independent clamping parts are connected through the connecting mechanism, all main shafts can synchronously rotate after connection, and then the clamping parts after butt joint can clamp and support the pipe fitting, so that the supporting strength is ensured.
Description
Technical Field
The utility model relates to the technical field of machining clamps, in particular to a thin-wall pipe clamping device and a machine tool using the same.
Background
Publication No. CN212192245U provides a pipe lathe anchor clamps for lathe work, belongs to lathe equipment technical field. The lathe comprises a lathe body, an adjusting mechanism, two clamping mechanisms and two supporting rolls, wherein the adjusting mechanism is arranged at the right end of the upper end face of the lathe body, the adjusting mechanism comprises a transverse guide rail, the transverse guide rail is arranged at the right end of the upper end face of the lathe body, a transverse sliding seat is arranged on the transverse guide rail in a sliding mode, a vertical support is arranged on the upper end face of the transverse sliding seat, the two groups of clamping mechanisms are arranged, the two groups of clamping mechanisms are symmetrically arranged on the left vertical surface of the lathe body and the side surface of the vertical support respectively, the clamping mechanisms comprise vertical guide rails, a vertical sliding seat is arranged on the vertical guide rails in a sliding mode, two clamping rolls are arranged on one side surface of the vertical sliding seat, and the positions of the two supporting rolls correspond to the positions of the two clamping rolls respectively.
Above-mentioned prior art realizes the centre gripping of pipe fitting through the mode of both ends centre gripping, and the ascending yield strength of axis direction of thin-walled tube spare is lower, consequently produces deformation easily when machining carries out the turning, and above-mentioned prior art adopts the mode of both ends centre gripping can't support the pipe fitting middle part, takes place deformation easily so under the effect of the shearing force that receives the lathe tool.
Disclosure of Invention
The present invention is directed to a thin-walled tube clamping device and a machine tool using the same to solve the above problems.
In order to achieve the purpose, the utility model provides the following technical scheme:
a thin-walled tube fitting clamping device comprising a clamping member and a coupling mechanism, wherein:
the clamping components comprise a circular ring frame, a screw rod sleeve, a screw rod, a guide rod, a bevel gear and a main shaft, the three screw rod sleeves are respectively and rotatably arranged on the cylindrical surface of the circular ring frame, the screw rod is sleeved in the screw rod sleeve and is in threaded connection with the screw rod sleeve, the guide rod is fixedly sleeved on the screw rod, the guide rod penetrates through a through hole in the circular ring frame, the bevel gear is fixedly sleeved at the end part of the screw rod sleeve, the main shaft is rotatably arranged on the circular ring frame, the bevel gear is also fixedly sleeved on the main shaft, and the bevel gear on the main shaft is meshed with the bevel gears on the three screw rod sleeves;
the connecting mechanism comprises a connecting assembly and a butt joint assembly, wherein one end of the main shaft is provided with the connecting assembly, the other end of the main shaft is provided with the butt joint assembly, and the connecting assembly at the end part of the main shaft in one clamping part is in butt joint with the butt joint assembly at the end part of the main shaft in the other clamping part.
Preferably, coupling assembling includes toper ejector pin, screw rod, threaded sleeve, L shape depression bar, pull rod, stop collar and friction packing ring, threaded sleeve rotates and installs the tip at the main shaft, and the tip of toper ejector pin is equipped with the screw rod, and wherein the screw rod cover is established in threaded sleeve and is formed threaded connection with threaded sleeve, L shape depression bar rotates the tip of installing at the main shaft, the one end and the toper ejector pin of pull rod are connected, and the other end is equipped with the stop collar, and wherein the pull rod is equipped with the one end of stop collar and runs through the groove that runs through on the L shape depression bar, and wherein the lateral surface contact of stop collar and L shape depression bar, and then avoid L shape depression bar to the direction upset of keeping away from the toper ejector pin, the friction packing ring sets up on L shape depression bar.
Preferably, the docking assembly comprises a tapered sleeve and a friction wheel, and the tapered sleeve and the friction wheel are arranged at the end part of the main shaft where the connection assembly is not arranged.
Preferably, the conical ejector rods in the two mutually butted main shafts are fit in the conical sleeve, and the friction washer on the L-shaped pressure lever is clamped on the cylindrical surface of the friction wheel.
Preferably, the diameter of the through groove on the L-shaped pressure lever is larger than that of the pull rod and smaller than that of the limiting sleeve.
A machine tool comprises the thin-wall pipe clamping device.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the mutually independent clamping components are connected through the connecting mechanism, all the main shafts can synchronously rotate after connection, and then the butted clamping components can clamp and support the pipe fitting, so that the supporting strength is ensured, the condition that the pipe fitting is deformed during machining is avoided, and the machining effect is ensured.
Drawings
FIG. 1 is a three-dimensional schematic of the overall structure of the present invention;
FIG. 2 is a full sectional view of FIG. 1;
FIG. 3 is a three-dimensional schematic view of a clamping member of the present invention;
FIG. 4 is a schematic view of portion A of FIG. 2;
in the figure: the device comprises a clamping component 1, a connecting mechanism 2, a circular ring frame 11, a screw rod sleeve 12, a screw rod 13, a guide rod 14, a bevel gear 15, a main shaft 16, a connecting component 21, a butt joint component 22, a conical ejector rod 211, a screw rod 212, a threaded sleeve 213, a compression rod 214L, a pull rod 215, a limiting sleeve 216, a friction washer 217, a conical sleeve 221 and a friction wheel 222.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1 to 4, the present invention provides a technical solution:
a thin-walled tube clamping device, comprising a clamping part 1 and a connecting mechanism 2, wherein:
at least two clamping parts 1 are connected through a connecting mechanism 2, each clamping part 1 comprises a circular ring frame 11, a screw rod sleeve 12, a screw rod 13, a guide rod 14, a bevel gear 15 and a main shaft 16, the three screw rod sleeves 12 are respectively and rotatably arranged on the cylindrical surface of the circular ring frame 11, the three screw rod sleeves 12 are arranged at equal angles, the two adjacent screw rod sleeves 12 are spaced at one hundred twenty degrees, the screw rod 13 is sleeved in the screw rod sleeve 12 and is in threaded connection with the screw rod sleeves 12, the guide rod 14 is fixedly sleeved on the screw rod 13, the guide rod 14 penetrates through a through hole on the circular ring frame 11, the screw rod 13 forms a moving pair in the diameter direction of the circular ring frame 11, the screw rod 13 can move towards the direction close to or far away from the circle center of the circular ring frame 11 when the screw rod sleeves 12 rotate, a supporting part is arranged at the end part of the screw rod 13 and is used for supporting the inner wall of a pipe fitting, and the bevel gear 15 is fixedly sleeved at the end part of the screw rod sleeve 12, the main shaft 16 is rotatably mounted on the circular ring frame 11, and the main shaft 16 is also fixedly sleeved with a bevel gear 15, wherein the bevel gear 15 on the main shaft 16 is meshed with the bevel gears 15 on the three lead screw sleeves 12, so that the main shaft 16 can drive the three lead screw sleeves 12 to synchronously rotate when rotating;
the connecting mechanism 2 comprises a connecting component 21 and a butt joint component 22, one end of the main shaft 16 is provided with the connecting component 21, the other end is provided with the butt joint component 22, the connecting component 21 at the end part of the main shaft 16 in one clamping part 1 is in butt joint with the butt joint component 22 at the end part of the main shaft 16 in the other clamping part 1, the connecting component 21 comprises a conical ejector rod 211, a screw rod 212, a threaded sleeve 213, an L-shaped pressure rod 214, a pull rod 215, a limit sleeve 216 and a friction washer 217, the threaded sleeve 213 is rotatably installed at the end part of the main shaft 16, the end part of the conical ejector rod 211 is provided with the screw rod 212, the screw rod 212 is sleeved in the threaded sleeve 213 and forms threaded connection with the threaded sleeve 213, the L-shaped pressure rod 214 is rotatably installed at the end part of the main shaft 16, one end of the pull rod 215 is connected with the conical ejector rod 211, the other end is provided with the limit sleeve 216, one end of the pull rod 215 provided with the limit sleeve 216 penetrates through a through groove on the L-shaped pressure rod 214, the limiting sleeve 216 is in contact with the outer side face of the L-shaped pressing rod 214, so that the L-shaped pressing rod 214 is prevented from being turned in the direction far away from the conical push rod 211, the diameter of a through groove in the L-shaped pressing rod 214 is larger than that of the pull rod 215 and smaller than that of the limiting sleeve 216, so that the L-shaped pressing rod 214 can be turned when the limiting sleeve 216 is separated from the through groove, the friction washer 217 is arranged on the L-shaped pressing rod 214, the butt joint assembly 22 comprises a conical sleeve 221 and a friction wheel 222, the conical sleeve 221 and the friction wheel 222 are arranged at the end portion of the main shaft 16 where the connecting assembly 21 is not arranged, the conical push rods 211 in the two mutually butted main shafts 16 are matched in the conical sleeve 221, so that centering butt joint is achieved, the friction washer 217 on the L-shaped pressing rod 214 is clamped on the cylindrical face of the friction wheel 222, friction connection is formed between the conical push rods and the mutually butted main shafts 16 can rotate synchronously.
A machine tool comprises the thin-wall pipe clamping device.
The use principle of the utility model is as follows: the number of gripping members 1 is selected according to the length of the tubular, and then the gripping members 1 are butted, the butt joint process is that one end of the main shaft 16 provided with the conical ejector rod 211 is inserted into the conical sleeve 221 at the end part of the other main shaft 16, at the moment, the conical ejector rod 211 is fit into the conical sleeve 221, thereby forming a centering connection, and a friction washer 217 on the L-shaped pressure rod 214 is contacted with a friction wheel 222, at this time, the threaded sleeve 213 is rotated and the conical top rod 211 is limited to rotate synchronously therewith, the conical ejector rod 211 is enabled to displace along the central axis direction of the threaded sleeve 213, then the pull rod 215 displaces along with the conical ejector rod 211, and at the moment, the limiting sleeve 216 at the end part of the pull rod 215 is contacted with the outer side surface of the L-shaped pressure lever 214, so that the effect of limiting the L-shaped pressure lever 214 to turn towards the direction far away from the conical ejector rod 211 is achieved, the friction force between the friction washer 217 and the friction wheel 222 is ensured, the butt joint is completed at the moment, and the main shafts 16 can synchronously rotate after the butt joint; the spindle 16 closest to two ends of the butted clamping component 1 is matched with a three-grab chuck on a machine tool to clamp the whole clamping component 1, then a pipe fitting is inserted into the clamping component 1, then one spindle 16 is rotated, then other spindles 16 rotate along with the spindle, when the spindle 16 rotates, a bevel gear 15 connected with the spindle is driven to rotate, the bevel gear 15 on the spindle 16 drives the bevel gear 15 on the screw rod sleeve 12 to rotate, at the moment, the screw rod sleeve 12 and the screw rod 13 rotate relatively, and the screw rod 13 moves in the direction far away from the circle center of the circular frame 11, so that the inner wall of the pipe fitting is supported by a supporting part at the end part of the screw rod 13, and as the screw rod sleeve 12 rotates synchronously, the screw rod 13 moves synchronously, and the effect of centering and supporting is achieved;
when the pipe is disassembled, the main shaft 16 is rotated, so that the supporting part at the end part of the screw rod 13 is separated from the inner wall of the pipe, and the pipe can be taken down from the mutually butted clamping parts 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a thin wall pipe fitting clamping device, includes hold assembly (1) and coupling mechanism (2), its characterized in that:
at least two clamping parts (1) are connected through a connecting mechanism (2), each clamping part (1) comprises a circular ring frame (11), a screw rod sleeve (12), a screw rod (13), a guide rod (14), a bevel gear (15) and a main shaft (16), the three screw rod sleeves (12) are respectively and rotatably arranged on the cylindrical surface of the circular ring frame (11), the screw rod (13) is sleeved in the screw rod sleeve (12) and is in threaded connection with the screw rod sleeve (12), the guide rod (14) is fixedly sleeved on the screw rod (13), wherein the guide rod (14) penetrates through a through hole on the circular ring frame (11), the end part of the screw rod sleeve (12) is fixedly sleeved with a bevel gear (15), the main shaft (16) is rotatably arranged on the circular ring frame (11), the main shaft (16) is also fixedly sleeved with a bevel gear (15), wherein, the bevel gears (15) on the main shaft (16) are meshed with the bevel gears (15) on the three screw rod sleeves (12);
coupling mechanism (2) are including coupling assembling (21) and butt joint subassembly (22), the one end of main shaft (16) is equipped with coupling assembling (21), and the other end is equipped with butt joint subassembly (22), and coupling assembling (21) of main shaft (16) tip in one of them clamping part (1) and butt joint subassembly (22) butt joint of main shaft (16) tip in another clamping part (1), coupling assembling (21) are including toper ejector pin (211), screw rod (212), threaded sleeve (213), L shape depression bar (214), pull rod (215), stop collar (216) and friction washer (217), threaded sleeve (213) rotate the tip of installing at main shaft (16), and the tip of toper ejector pin (211) is equipped with screw rod (212), and wherein screw rod (212) cover is established in threaded sleeve (213) and is formed threaded connection with threaded sleeve (213), L shape depression bar (214) rotates the tip of installing at main shaft (16), one end of the pull rod (215) is connected with the conical ejector rod (211), the other end is provided with a limit sleeve (216), wherein one end of the pull rod (215) provided with the limit sleeve (216) penetrates through a through groove on the L-shaped pressure lever (214), wherein the limiting sleeve (216) is contacted with the outer side surface of the L-shaped pressure lever (214) so as to prevent the L-shaped pressure lever (214) from turning towards the direction far away from the conical ejector rod (211), the friction washer (217) is arranged on the L-shaped pressure rod (214), the butt joint component (22) comprises a conical sleeve (221) and a friction wheel (222), the conical sleeve (221) and the friction wheel (222) are arranged at the end part of the main shaft (16) without the connecting component (21), the conical push rods (211) in the two mutually butted main shafts (16) are fit in the conical sleeve (221), and a friction washer (217) on the L-shaped pressure lever (214) is clamped on the cylindrical surface of the friction wheel (222).
2. The thin-walled tube clamping device according to claim 1, wherein: the diameter of a through groove on the L-shaped pressure lever (214) is larger than that of the pull rod (215) and smaller than that of the limiting sleeve (216).
3. A machine tool comprising a thin-walled tube gripping device according to any one of claims 1 and 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210433688.7A CN114523307B (en) | 2022-04-24 | 2022-04-24 | Thin-wall pipe fitting clamping device and machine tool using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210433688.7A CN114523307B (en) | 2022-04-24 | 2022-04-24 | Thin-wall pipe fitting clamping device and machine tool using same |
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| Publication Number | Publication Date |
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| CN114523307A CN114523307A (en) | 2022-05-24 |
| CN114523307B true CN114523307B (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210433688.7A Active CN114523307B (en) | 2022-04-24 | 2022-04-24 | Thin-wall pipe fitting clamping device and machine tool using same |
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| CN (1) | CN114523307B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952271B (en) * | 2022-05-31 | 2024-05-10 | 中广核(东至)新能源有限公司 | Wind turbine generator system blade flange dislocation adjustment frock |
| CN115383649A (en) * | 2022-09-22 | 2022-11-25 | 湖州高林不锈钢管制造有限公司 | Device and process for machining ultra-long thin-walled tube |
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| CN210209482U (en) * | 2019-05-31 | 2020-03-31 | 无锡明立科技有限公司 | Fixing device for head cutting machine |
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| CN113275915A (en) * | 2021-04-07 | 2021-08-20 | 新兴铸管股份有限公司 | Cast tube circular cutting device |
| CN113814637A (en) * | 2021-10-08 | 2021-12-21 | 安徽达必立新能源科技有限公司 | Auxiliary centering device for welding tower drum flange |
| CN215470662U (en) * | 2021-06-24 | 2022-01-11 | 江阴市扬子管件有限公司 | Thin-wall pipe spare excircle adds clamping apparatus |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204413265U (en) * | 2015-01-25 | 2015-06-24 | 张亮 | Efficient electric pipe cutting machine |
| RU166353U1 (en) * | 2016-01-21 | 2016-11-20 | Сергей Олегович Киреев | SELF-INSTALLING ASSEMBLY PLUNGER |
| CN210209482U (en) * | 2019-05-31 | 2020-03-31 | 无锡明立科技有限公司 | Fixing device for head cutting machine |
| CN211824870U (en) * | 2020-05-27 | 2020-10-30 | 曹利博 | Pressure transmitter assembly |
| CN111922376A (en) * | 2020-07-16 | 2020-11-13 | 芜湖乐维汽车装备设计有限公司 | Automobile parts punches and uses clamping device |
| CN212824075U (en) * | 2020-08-31 | 2021-03-30 | 山东科技大学 | Mechanical clamp with multiple clamping modes |
| CN112937110A (en) * | 2021-02-01 | 2021-06-11 | 蚌埠弘创印刷技术有限公司 | Extraction device of electrification aluminium and gilding press thereof |
| CN113275915A (en) * | 2021-04-07 | 2021-08-20 | 新兴铸管股份有限公司 | Cast tube circular cutting device |
| CN215470662U (en) * | 2021-06-24 | 2022-01-11 | 江阴市扬子管件有限公司 | Thin-wall pipe spare excircle adds clamping apparatus |
| CN113814637A (en) * | 2021-10-08 | 2021-12-21 | 安徽达必立新能源科技有限公司 | Auxiliary centering device for welding tower drum flange |
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| CN114523307A (en) | 2022-05-24 |
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