CN105345055A - Clamping device suitable for thin-wall cylinder - Google Patents
Clamping device suitable for thin-wall cylinder Download PDFInfo
- Publication number
- CN105345055A CN105345055A CN201510770210.3A CN201510770210A CN105345055A CN 105345055 A CN105345055 A CN 105345055A CN 201510770210 A CN201510770210 A CN 201510770210A CN 105345055 A CN105345055 A CN 105345055A
- Authority
- CN
- China
- Prior art keywords
- thin
- clamping device
- rotating shaft
- sleeve pipe
- guide plates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/404—Gripping the work or tool by jaws moving radially controlled by conical surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0531—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor internal pipe alignment clamps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a clamping device suitable for a thin-wall cylinder. The clamping device comprises a hollow casing pipe, and a ring of limiting groove is formed in the outer wall of the middle portion of the casing pipe; two guide plates are connected to the middle portion of the casing pipe in a sleeved manner, and step holes are formed in the centers of the two guide plates; the two guide plates are clamped on the two sides of the limit groove respectively; and an expansion and supporting mechanism is arranged between the two guide plates. According to the device, a screw rod is rotated to adjust the size of the diameter of the part, on a steel ball, of a conical plug cone face, and expansion supporting and shrinkage of a sliding block assembly are adjusted, so that the inner wall of the thin-wall cylinder is expanded, supported and clamped; and compared with a traditional shrinkage type clamping device, the beneficial effect of uniform expansion and supporting is achieved; the thin-wall cylinder can be effectively prevented from being pressed and deforming, it is ensured that the thin-wall cylinder has high machining precision and high quality, and inferior-quality products or waste products are prevented from appearing.
Description
Technical field
The present invention relates to machining and the welding manufacture technical field of thin-wall barrel, be specifically related to a kind of clamping device being applicable to thin-wall barrel.
Background technology
Thin-wall barrel needs when carrying out mechanical processing steps to use clamping device clamping, traditional clamping device is generally the outer wall acting on thin-wall barrel, namely clamping device applies pressure to reach the object of clamping to thin-wall barrel outer wall, but because barrel wall is very thin, easily barrel distortion is being caused with the direct clamping cylindrical shell of traditional clamping device, affect crudy and the precision of cylindrical shell, cause the generation of waste product or substandard products.
Isometrical thin-wall barrel is when carrying out butt welding, traditional clamping device needs two clamping devices to clamp two sections of cylindrical shells respectively by general for the clamping of the thin-wall barrel of butt welding, weld again after two sections of cylindrical shells are drawn close mutually, but can because barrel wall be thin, dilatancy is there is under the impact of welding effect, weld and cooled rear welding position and can inwardly shrink again, easily caused cylindrical shell contraction distortion, the precision of impact welding rear cylinder body and quality.
Summary of the invention
The present invention aims to provide a kind of clamping device being applicable to thin-wall barrel, with solve existing thin-wall barrel adopt when carrying out machining or welding tighten up formula clamping device clamping time yielding, the machining accuracy of the cylindrical shell that exists and quality cannot ensure, substandard products percent defective is high problem.
The present invention is achieved by following technical solution:
A kind of clamping device being applicable to thin-wall barrel, comprise the sleeve pipe of hollow, in the middle part of described sleeve pipe, outer wall is provided with a circle stopper slot, two pieces of guide plates are socketed with in the middle part of sleeve pipe, two pieces of guide plate centers all have stepped hole, by this stepped hole, two pieces of guide plates are clamped on stopper slot both sides respectively, between two pieces of guide plates, expanded support mechanism are installed;
It is the slide block assembly of circle that described expanded support mechanism is spliced in entirety successively by some pieces of fan-shaped slide blocks, all pin-and-hole is had in the middle part of each slide block, the extension spring groove of arc identical with slide block outer face is had outside pin-and-hole, extension spring is installed with in extension spring groove, on described guide plate, the position of respective pin hole has slide opening, be inserted with latch in pin-and-hole, latch two ends to be each passed through on two pieces of guide plates two relative slide openings; All have spherical groove in the middle part of each slide block inner face, in spherical groove, be installed with steel ball, in the middle part of sleeve pipe, have some through holes corresponding with steel ball.
Also comprise driving mechanism, this driving mechanism comprises tapered plug, rotating shaft and plug screw, tapered plug is placed in the middle part of sleeve pipe and edge and steel ball offsets, rotating shaft is inserted into the large one end of tapered plug diameter and rotating shaft is coaxial with sleeve pipe, plug screw is fixed in the end with rotating shaft homonymy in sleeve pipe, rotating shaft is provided with thread segment, and rotating shaft is passed plug screw and stretched out sleeve pipe, and external screw thread and the plug screw internal thread of thread segment match.
One end that described tapered plug diameter is large has cylindrical cavity, and the segment end that this cylindrical cavity is inserted in described rotating shaft is socketed with a bearing, and this bearing is stuck in cylindrical cavity.
Described shaft end has rectangular channel.
Described slide opening is waist-shaped hole.
Described slide block has 8.
The invention has the beneficial effects as follows:
Compared with prior art, the clamping device being applicable to thin-wall barrel provided by the invention, by rotary screw, the diameter of the adjustment tapered plug conical surface in steel ball position, adjusts expanded support and the contraction of slide block assembly with this, realize clamping the inwall expanded support of thin-wall barrel, compared to traditional contraction type clamping device, the present invention has the uniform feature of expanded support, effectively can prevent thin-wall barrel generation compressive deformation, ensure that thin-wall barrel has high manufacturing accuracy and high-quality, avoid occurring substandard products or waste product; And cylindrical shell generation thermal expansion deformation can also be prevented for thin-wall barrel to during welding, ensure planarization and the outward appearance of welding position, effectively improve welding quality.
Accompanying drawing explanation
Fig. 1 is left view of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the structure chart of slide block assembly in the present invention;
Fig. 4 is the C-C sectional view of Fig. 3;
Fig. 5 is the structure chart of guide plate in the present invention;
Fig. 6 is the B-B sectional view of Fig. 5;
Fig. 7 is sectional view in the middle part of middle sleeve of the present invention;
Fig. 8 is the D-D sectional view of Fig. 7;
In figure: 1-screw rod, 2-plug screw, 3-sleeve pipe, 4-latch, 5-extension spring, 6-slide block, 7-steel ball, 8-guide plate, 9-tapered plug, 10-thread segment, 11-bearing, 12-extension spring groove, 13-slide opening, 14-rectangular channel, 15-stepped hole, 16-pin-and-hole, 17-hemisphere groove, 18-through hole, 19-stopper slot.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further, but described in required protection domain is not limited to;
As shown in figures 1-8, the clamping device being applicable to thin-wall barrel provided by the invention, it comprises the sleeve pipe 3 of hollow, in the middle part of described sleeve pipe 3, outer wall is provided with a circle stopper slot 19, two pieces of guide plates 8 are socketed with in the middle part of sleeve pipe 3, two pieces of guide plate 8 centers all have stepped hole 15, by this stepped hole 15, two pieces of guide plates 8 are clamped on stopper slot 19 both sides respectively, are provided with expanded support mechanism between two pieces of guide plates 8; It is the slide block assembly of circle that described expanded support mechanism is spliced in entirety successively by some pieces of fan-shaped slide blocks 6, pin-and-hole 16 is all had in the middle part of each slide block 6, the extension spring groove 12 with the identical arc in slide block 6 outer face is had outside pin-and-hole 16, extension spring 5 is installed with in extension spring groove 12, on described guide plate 8, the position of respective pin hole 16 has slide opening 13, be inserted with latch 4 in pin-and-hole 16, latch 4 two ends to be each passed through on two pieces of guide plates 8 two relative slide openings 13; All have spherical groove 17 in the middle part of each slide block 6 inner face, in spherical groove 17, be installed with steel ball 7, in the middle part of sleeve pipe 3, have some through holes 18 corresponding with steel ball 7.Also comprise driving mechanism, this driving mechanism comprises tapered plug 9, rotating shaft 1 and plug screw 2, tapered plug 9 is placed in the middle part of sleeve pipe 3 and edge and steel ball 7 offsets, rotating shaft 1 is inserted into the large one end of tapered plug 9 diameter and rotating shaft 1 is coaxial with sleeve pipe 3, plug screw 2 is fixed in the end with rotating shaft 1 homonymy in sleeve pipe 3, rotating shaft 1 is provided with thread segment 10, and rotating shaft 1 is passed plug screw 2 and stretches out sleeve pipe 3, and external screw thread and plug screw 2 internal thread of thread segment 10 match; One end that tapered plug 9 diameter is large has cylindrical cavity, and the segment end that this cylindrical cavity is inserted in described rotating shaft 1 is socketed with a bearing 11, and this bearing 11 is stuck in cylindrical cavity, and rotating shaft 1 end has rectangular channel 14, and slide opening 13 is waist-shaped hole, and slide block 6 has 8.
The installation method being applicable to the clamping device of thin-wall barrel provided by the invention is as follows:
Driving mechanism is installed: be first enclosed within by plug screw 2 on the thread segment 10 in rotating shaft 1, then rotating shaft 1 is inserted in the bearing 11 in tapered plug 9, ensure that bearing 11 is fastened on rotating shaft 1 end, rotating shaft 1, plug screw 2 and tapered plug 9 is made to form driving mechanism, then driving mechanism is inserted in sleeve pipe 3, and plug screw 2 is fixed on sleeve pipe 3 end; Expanded support mechanism installs: first by all slide blocks 6 conglobate slide block assembly of splicing mutually, then setting-in steel ball 7 in each spherical groove 17, extension spring 5 is embedded in extension spring groove 12 and slide block assembly is shaped, then slide block assembly is inserted in stopper slot 19 on sleeve pipe 3 outside, in the through hole 18 that rotary slider assembly makes all steel balls 7 embed respectively sleeve pipe 3 is offered; Guide plate 8 is installed: be inserted in from sleeve pipe 3 two ends respectively by two pieces of guide plates 8, ensure that the stopper slot 19 of outer wall in the middle part of stepped hole 15 in the middle part of guide plate 8 and sleeve pipe 3 offsets, latch 4 is inserted from the slide opening 13 one piece of guide plate 8, latch 4 passes from the slide opening 13 another block guide plate 6 through after the pin-and-hole 16 on slide block 6, then adjust latch 4 position and ensure that it is arranged symmetrically with slide block 6 center line, adopt and remaining all latches 4 are installed in the same way, after latch 4 installation, guide plate 8 and sleeve pipe 3 are welded together and namely complete assembling of the present invention.
During use, rotating shaft 1 makes tapered plug 9 move to the direction near plug screw 2, along with the moving slider assembly of tapered plug 9 shrinks under the effect of extension spring 5, ensure that steel ball 7 offsets with tapered plug 9 outer wall all the time, it is outside that thin-wall barrel (not shown) can be enclosed within slide block assembly by rotating shaft 1 of stopping the rotation after contraction completes, reversely rotating rotating shaft 1 makes tapered plug 9 move to the direction away from plug screw 2, along with the movement of tapered plug 9, all slide blocks 6 together outwards push up by the diameter increase of steel ball 7 position, namely expanded support of the present invention is achieved, namely clamping is completed after slide block 6 outer end wall and cylinder inboard wall offset, rotating shaft 1 of stopping the rotation can carry out the processing of cylindrical shell.
Claims (6)
1. one kind is applicable to the clamping device of thin-wall barrel, it is characterized in that: the sleeve pipe (3) comprising hollow, described sleeve pipe (3) middle part outer wall is provided with a circle stopper slot (19), sleeve pipe (3) middle part is socketed with two pieces of guide plates (8), two pieces of guide plate (8) centers all have stepped hole (15), by this stepped hole (15), two pieces of guide plates (8) are clamped on stopper slot (19) both sides respectively, between two pieces of guide plates (8), expanded support mechanism are installed;
It is the slide block assembly of circle that described expanded support mechanism is spliced in entirety successively by some pieces of fan-shaped slide blocks (6), each slide block (6) middle part all has pin-and-hole (16), pin-and-hole (16) outside has the extension spring groove (12) with the identical arc in slide block (6) outer face, extension spring (5) is installed with in extension spring groove (12), the position of the upper respective pin hole (16) of described guide plate (8) has slide opening (13), latch (4) is inserted with in pin-and-hole (16), latch (4) two ends are each passed through upper two the relative slide openings (13) of two pieces of guide plates (8), spherical groove (17) is all had in the middle part of each slide block (6) inner face, be installed with steel ball (7) in spherical groove (17), sleeve pipe (3) middle part has some through holes (18) corresponding with steel ball (7).
2. the clamping device being applicable to thin-wall barrel according to claim 1, it is characterized in that: also comprise driving mechanism, this driving mechanism comprises tapered plug (9), rotating shaft (1) and plug screw (2), tapered plug (9) is placed in sleeve pipe (3) middle part and edge and steel ball (7) offset, rotating shaft (1) is inserted into the large one end of tapered plug (9) diameter and rotating shaft (1) is coaxial with sleeve pipe (3), plug screw (2) is fixed in the end with rotating shaft (1) homonymy in sleeve pipe (3), rotating shaft (1) is provided with thread segment (10), rotating shaft (1) is through plug screw (2) and stretch out sleeve pipe (3), external screw thread and plug screw (2) internal thread of thread segment (10) match.
3. the clamping device being applicable to thin-wall barrel according to claim 2, it is characterized in that: one end that described tapered plug (9) diameter is large has cylindrical cavity, the segment end that this cylindrical cavity is inserted in described rotating shaft (1) is socketed with a bearing (11), and this bearing (11) is stuck in cylindrical cavity.
4. the clamping device being applicable to thin-wall barrel according to claim 2, is characterized in that: described rotating shaft (1) end has rectangular channel (14).
5. the clamping device being applicable to thin-wall barrel according to claim 1, is characterized in that: described slide opening (13) is waist-shaped hole.
6. the clamping device being applicable to thin-wall barrel according to claim 1, is characterized in that: described slide block (6) has 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510770210.3A CN105345055B (en) | 2015-11-12 | 2015-11-12 | A kind of clamping device suitable for thin-wall barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510770210.3A CN105345055B (en) | 2015-11-12 | 2015-11-12 | A kind of clamping device suitable for thin-wall barrel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105345055A true CN105345055A (en) | 2016-02-24 |
| CN105345055B CN105345055B (en) | 2017-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510770210.3A Active CN105345055B (en) | 2015-11-12 | 2015-11-12 | A kind of clamping device suitable for thin-wall barrel |
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| Country | Link |
|---|---|
| CN (1) | CN105345055B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750433A (en) * | 2016-05-09 | 2016-07-13 | 成都市松川金属材料有限公司 | Pipe perforator capable of rapid clamping |
| CN106584007A (en) * | 2016-10-18 | 2017-04-26 | 航天科工哈尔滨风华有限公司电站设备分公司 | Anti-deformation welding machine special for thin-wall cylinder |
| CN107186425A (en) * | 2017-05-08 | 2017-09-22 | 火星人厨具股份有限公司 | Thin-wall barrel weld jig and its operation method |
| CN109434493A (en) * | 2018-12-26 | 2019-03-08 | 贵州凯星液力传动机械有限公司 | A kind of device pressing from both sides thin-wall part inner hole |
| CN109702670A (en) * | 2019-02-27 | 2019-05-03 | 吉林瑞丰重工有限公司 | A kind of reducing tubing positioning device |
| CN110550448A (en) * | 2019-09-11 | 2019-12-10 | 河南中硬合金有限公司 | Hard alloy blank pressing and transferring device |
| CN111992939A (en) * | 2020-08-27 | 2020-11-27 | 无锡市新莱珂机械有限公司 | Welding expansion core, limiting installation mechanism of welding expansion core and stripping mechanism of welding expansion core |
| CN113042970A (en) * | 2021-04-23 | 2021-06-29 | 中船澄西扬州船舶有限公司 | Positioning tool for assembling pipe fitting and flange |
| CN114101862A (en) * | 2021-12-16 | 2022-03-01 | 渤海造船厂集团有限公司 | T-shaped structure and cylindrical structure plug-in mounting welding deformation control device and method |
| CN116329988A (en) * | 2023-05-29 | 2023-06-27 | 江苏龙跃不锈钢管业有限公司 | Stainless steel tube machining chuck machine |
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| CN201012439Y (en) * | 2007-01-27 | 2008-01-30 | 中国船舶重工集团公司第七○二研究所 | Positioner for square tubes soldering |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750433A (en) * | 2016-05-09 | 2016-07-13 | 成都市松川金属材料有限公司 | Pipe perforator capable of rapid clamping |
| CN106584007A (en) * | 2016-10-18 | 2017-04-26 | 航天科工哈尔滨风华有限公司电站设备分公司 | Anti-deformation welding machine special for thin-wall cylinder |
| CN107186425A (en) * | 2017-05-08 | 2017-09-22 | 火星人厨具股份有限公司 | Thin-wall barrel weld jig and its operation method |
| CN109434493A (en) * | 2018-12-26 | 2019-03-08 | 贵州凯星液力传动机械有限公司 | A kind of device pressing from both sides thin-wall part inner hole |
| CN109702670A (en) * | 2019-02-27 | 2019-05-03 | 吉林瑞丰重工有限公司 | A kind of reducing tubing positioning device |
| CN110550448A (en) * | 2019-09-11 | 2019-12-10 | 河南中硬合金有限公司 | Hard alloy blank pressing and transferring device |
| CN111992939A (en) * | 2020-08-27 | 2020-11-27 | 无锡市新莱珂机械有限公司 | Welding expansion core, limiting installation mechanism of welding expansion core and stripping mechanism of welding expansion core |
| CN113042970A (en) * | 2021-04-23 | 2021-06-29 | 中船澄西扬州船舶有限公司 | Positioning tool for assembling pipe fitting and flange |
| CN114101862A (en) * | 2021-12-16 | 2022-03-01 | 渤海造船厂集团有限公司 | T-shaped structure and cylindrical structure plug-in mounting welding deformation control device and method |
| CN116329988A (en) * | 2023-05-29 | 2023-06-27 | 江苏龙跃不锈钢管业有限公司 | Stainless steel tube machining chuck machine |
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| CN105345055B (en) | 2017-10-03 |
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