CN115609137A - Internal support fixture for barrel circumferential seam deflection welding - Google Patents
Internal support fixture for barrel circumferential seam deflection welding Download PDFInfo
- Publication number
- CN115609137A CN115609137A CN202211183905.8A CN202211183905A CN115609137A CN 115609137 A CN115609137 A CN 115609137A CN 202211183905 A CN202211183905 A CN 202211183905A CN 115609137 A CN115609137 A CN 115609137A
- Authority
- CN
- China
- Prior art keywords
- barrel
- ring block
- arc
- wedge
- support assembly
- 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
Links
Images
Classifications
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
Abstract
The invention provides an internal support fixture for barrel circumferential seam deflection welding, which comprises a barrel, a mandrel, a screw, a switching disc, a clamping disc and an internal support assembly, wherein the mandrel is arranged in the middle of the barrel and extends along the central axis of the barrel; the adapter disc is circumferentially fixed on the outer side surface of the mandrel and located inside the barrel, the inner support assembly is annular, the outer peripheral surface of the inner support assembly is abutted against the inner side wall of the barrel, and the inner peripheral surface of the inner support assembly is fixed with the adapter disc. The supporting of the cylinder body is ensured by generating circumferential force and expanding the expanding circle through the wedge-shaped inclined plane; the invention is provided with two mechanisms of the screw rod and the inner support assembly to form a rigid assembly body with the workpiece, can fully transmit the torque of the mandrel to the workpiece, and avoids the workpiece from slipping in the friction stir welding process.
Description
Technical Field
The invention relates to the technical field of welding, in particular to an inner support fixture for barrel circumferential seam deflection welding.
Background
In recent years, the cylinder structure is mainly and widely applied to various manufacturing fields such as aerospace, petroleum equipment, high-voltage transmission lines, national defense and military and the like.
With the development of the technology, there is an urgent need for efficient, high-quality, and rapid manufacturing of aluminum alloy cylinders. Particularly, with the application of technologies such as precision machining of aerospace, national defense and military and the like, friction stir welding and the like, the requirements on the dimensional tolerance, form and position tolerance and the like of the workpiece are higher and higher.
The rigidity of the aluminum alloy cylinder body is weak, the rigidity correction of roundness needs to be carried out in a forced assembly mode, the rigidity of a common inner support clamp is usually weak, meanwhile, a gap is generated between the common inner support clamp and the inner surface of a workpiece in the assembly process, the welding defect of friction stir welding is caused, and meanwhile, the workpiece and the inner support can slip when the aluminum alloy cylinder body rotates in a deflection mode, and the support effect is lost.
Disclosure of Invention
The invention provides an inner support fixture for barrel circumferential weld deflection welding, aiming at the problems that the existing inner support fixture for barrels cannot carry out rigidity correction on roundness, has weaker torque transmission capability and the like.
The invention provides an internal support fixture for barrel circumferential seam deflection welding, which comprises a barrel, a mandrel, a screw, a switching disc, a clamping disc and an internal support assembly, wherein the mandrel is arranged in the middle of the barrel and extends along the central axis of the barrel, two ends of the mandrel extend to the outer side of the barrel, one end of the screw is fixed on the mandrel, the other end of the screw penetrates through the side wall of the barrel, the clamping disc is circumferentially fixed on the outer side surface of the mandrel, and the clamping disc is positioned at the end part of the mandrel; the adapter plate is circumferentially fixed on the outer side face of the core shaft and located inside the barrel, the inner support assembly is annular, the outer peripheral face of the inner support assembly is abutted to the inner side wall of the barrel, and the inner peripheral face of the inner support assembly is fixed with the adapter plate.
Preferably, the inner support assembly comprises a wedge-shaped ring block, two guide ring blocks and an arc-shaped component, the two guide ring blocks are respectively fixed at two ends of the wedge-shaped ring block, and two ends of the arc-shaped component are respectively connected with the two guide ring blocks.
Preferably, the arc assembly comprises a plurality of arc ring blocks, and the plurality of arc ring blocks are connected.
Preferably, the inner side walls of the guide ring block and the arc-shaped ring block are provided with fixing plates facing the center of the inner support assembly, each fixing plate is provided with a taper hole, a taper pin shaft is arranged in each taper hole, and the inner support assembly is fixedly connected with the adapter plate through the taper pin shaft.
Preferably, two adjacent arc-shaped ring blocks are connected through a connecting block and two cylindrical pin shafts, first connecting holes are formed in two ends of each arc-shaped ring block, second connecting holes are formed in the connecting block, and the cylindrical pin shafts sequentially penetrate through the second connecting holes and the first connecting holes to fixedly connect the two adjacent arc-shaped ring blocks.
Preferably, the wedge-shaped ring block is fixedly connected with the guide ring block through a screw.
Preferably, bosses are arranged at two ends of the wedge-shaped ring block, a groove is formed in one end, connected with the wedge-shaped ring block, of the guide ring block, the bosses can extend into the groove, and a first wedge-shaped inclined plane is arranged on the end face of each boss.
Preferably, the side surface of the boss is provided with a second wedge-shaped inclined surface along the radial direction of the inner support assembly.
Preferably, the middle parts of the wedge-shaped ring block, the guide ring block and the arc-shaped ring block are provided with material saving holes.
Preferably, the screw rods are circumferentially provided with a plurality of through holes at intervals, two ends of the barrel are circumferentially provided with a plurality of through holes at intervals, and the ends of the screw rods penetrate through the through holes.
The invention has the beneficial effects that:
1. the inner support assembly adopts the first wedge-shaped inclined plane to generate circumferential force and expand the expanding circle, meanwhile, a small section of second wedge-shaped inclined plane along the radial direction of the workpiece is arranged on the wedge block for convenience in installation, and the double wedge-shaped inclined planes can ensure the expanding circle of the workpiece, so that the inner support assembly can stably support the inner wall of the cylinder body.
2. The invention is provided with two mechanisms of the screw rod and the inner support assembly to form a rigid assembly body with the workpiece, so that the torque of the mandrel can be fully transmitted to the workpiece, and the workpiece is prevented from slipping in the friction stir welding process.
3. The guide ring block and the arc-shaped ring block, and the arc-shaped ring block are connected in a connecting mode of a connecting block and a cylindrical pin shaft, and the inner cavity of the arc-shaped ring block is in clearance hinge fit so as to adapt to the change of the relative position of the arc-shaped ring block during circle expansion, so that the assembly is simpler.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required to be used in the description will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic perspective structure diagram of an inner support fixture for barrel circumferential weld deflection welding according to the present invention.
Fig. 2 is a side view of the internal support fixture for barrel circumferential seam deflection welding according to the invention.
Fig. 3 is a schematic perspective structure view of an inner support assembly in the inner support fixture for barrel circumferential seam deflection welding according to the present invention.
FIG. 4 is a side view of an inner support assembly in the inner support fixture for barrel circumferential seam deflection welding according to the invention.
Fig. 5 is a schematic perspective view of a wedge-shaped ring block in the inner support fixture for barrel circumferential weld deflection welding according to the present invention.
Fig. 6 is a schematic cross-sectional view of an inner support assembly in the inner support fixture for barrel circumferential seam deflection welding according to the present invention.
In the figure: 1. barrel, 2, dabber, 3, screw rod, 4, switching dish, 5, clamping disk, 6, interior support assembly, 7, through-hole, 8, wedge ring piece, 9, guide ring piece, 10, arc ring piece, 11, screw, 12, boss, 13, recess, 14, first wedge inclined plane, 15, second wedge inclined plane, 16, connecting block, 17, cylinder round pin axle, 18, fixed plate, 19, taper hole, 20, circular cone round pin axle, 21, province material hole.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is obvious that the embodiments described below are only a part of embodiments of the present invention, and not all 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 scope of protection of this patent.
As shown in fig. 1 to 6, in the embodiment, the invention provides an internal support fixture for barrel circumferential seam deflection welding, which includes a barrel 1, a mandrel 2, a screw 3, an adapter plate 4, a clamping plate 5 and an internal support assembly 6, wherein the mandrel 2 is arranged in the middle of the barrel 1 and extends along a central axis of the barrel 1, two ends of the mandrel 2 both extend to the outside of the barrel 1, one end of the screw 3 is fixed to the mandrel 2, the other end of the screw 3 penetrates through a side wall of the barrel 1, the clamping plate 5 is circumferentially fixed to an outer side surface of the mandrel 2, and the clamping plate 5 is located at an end of the mandrel 2; the adapter plate 4 is circumferentially fixed on the outer side surface of the mandrel 2, the adapter plate 4 is located inside the cylinder body 1, the inner support assembly 6 is annular, the outer peripheral surface of the inner support assembly 6 is abutted against the inner side wall of the cylinder body 1, and the inner peripheral surface of the inner support assembly 6 is fixed with the adapter plate 4. The clamping disc 5 and the switching disc 4 can be fixed on the mandrel 2 in a welding mode to form a stable integral structure with the mandrel 2; when barrel 1 rotates when needs carry out, the rotatory dislocation that supports anchor clamps and drive barrel 1 is realized to accessible chuck jack catch centre gripping clamping disk 5, when chuck jack catch centre gripping clamping disk 5 rotated, under the effect of screw rod 3, barrel 1 and clamping disk 5 can rotate jointly, and screw rod 3 can transmit the torque of dabber 2 to barrel 1 jointly with interior support assembly 6. Specifically, a plurality of screw rods 3 are circumferentially arranged at intervals, a plurality of through holes 7 are circumferentially arranged at intervals at two ends of the barrel 1, and the end parts of the screw rods 3 penetrate through the through holes 7; as shown in fig. 1, the four screws 3 are arranged and all located in the same plane, and the plane is perpendicular to the central axis of the cylinder 1, so that a better torque transmission effect can be achieved, and meanwhile, the screws 3 are located at two ends of the cylinder 1 and located at the positions closest to the clamping discs 5 on the two sides, so that a better torque transmission effect can be achieved. It should be noted that the screw 3 may be selectively provided in a screw structure, or may be selectively provided in another strip structure.
As shown in fig. 2 to 5, the inner support assembly 6 is composed of a wedge-shaped ring block 8, two guide ring blocks 9 and an arc-shaped component, wherein the two guide ring blocks 9 are respectively fixed at two ends of the wedge-shaped ring block 8, and two ends of the arc-shaped component are respectively connected with the two guide ring blocks 9. Wherein, the arc subassembly includes a plurality of arc ring pieces 10, and a plurality of arc ring pieces 10 link. The wedge-shaped ring block 8 and the guide ring block 9 are fixedly connected through screws 11, specifically, the wedge-shaped ring block 8 and the guide ring block 9 are both provided with screw holes, and both ends of the wedge-shaped ring block 8 are fixedly connected with the guide ring block 9 through two screws 11; bosses 12 are arranged at two ends of the wedge-shaped ring block 8, a groove 13 is arranged at one end of the guide ring block 9 connected with the wedge-shaped ring block 8, as shown in fig. 6, when the wedge-shaped ring block 8 is fixedly connected with the guide ring block 9, the bosses 12 extend into the groove 13, first wedge-shaped inclined planes 14 are arranged on the end faces of the bosses 12, and second wedge-shaped inclined planes 15 along the radial direction of the inner support assembly 6 are arranged on the side faces of the bosses 12; after the wedge-shaped ring block 8 and the guide ring block 9 are fastened through the screw 11, the first wedge-shaped inclined surface 14 generates circumferential force and expands the expanding circle, meanwhile, a small section of second wedge-shaped inclined surface 15 along the radial direction of a workpiece is arranged on one side surface of the boss 12 for convenience of installation, the double wedge-shaped inclined surfaces guarantee the expanding circle of the inner support assembly 6, and the inner support effect of the inner support assembly 6 on the cylinder body 1 is guaranteed.
As shown in fig. 3 and 4, in the arc assembly, two adjacent arc-shaped ring blocks 10 are connected through a connecting block 16 and two cylindrical pin shafts 17, first connecting holes are formed at two ends of the arc-shaped ring blocks 10, a second connecting hole is formed in the connecting block 16, the cylindrical pin shafts 17 sequentially penetrate through the second connecting holes and the first connecting holes to fixedly connect the two adjacent arc-shaped ring blocks 10, and the connecting block 16 and the cylindrical pin shafts 17 are used for positioning and torque transmission. During installation, the connecting block 16 is inserted into the cylindrical pin shaft 17 at one end of the connecting block, and the cylindrical pin shaft 17 at the other end is inserted after the connecting block is expanded. It should be noted that the guide ring block 9 and the arc-shaped ring block 10 are also connected by using the same connecting block 16 and the cylindrical pin 17, and the specific connection manner may refer to the above description, which is not described herein again.
The inner side walls of the guide ring block 9 and the arc-shaped ring block 10 are provided with a fixing plate 18 facing the center of the inner support assembly 6, the fixing plate 18 is provided with a taper hole 19, a conical pin shaft 20 is arranged in the taper hole 19, and the inner support assembly 6 is fixedly connected with the adapter plate 4 through the conical pin shaft 20. As shown in fig. 4, the fixing plates 18 are spaced apart from each other, so that the material can be saved while the connection strength is ensured.
Meanwhile, as shown in fig. 2 to 4, the middle parts of the wedge-shaped ring block 8, the guide ring block 9 and the arc-shaped ring block 10 are all provided with material saving holes 21, so that the manufacturing cost can be saved.
The working principle of the inner support clamp for barrel circumferential seam deflection welding is as follows:
when circular seam welding is required, the inner support assembly 6 in the barrel 1 is installed and assembled in place one by one in a circle expanding mode, the inner support assembly 6 is connected with the core shaft 2 through the conical pin shaft 20 and the bolt, the whole assembly is a rigid fixing body at the moment, the whole fixture can be hoisted to a position changing machine with two rotatable ends, and circular seam displacement welding of barrel workpieces can be completed by the aid of the clamping disc 5 clamped by the jaws of the position changing machine.
The beneficial effects of the invention are as follows:
1. the invention adopts the first wedge-shaped inclined surface 14 to generate circumferential force and expand the expansion circle, meanwhile, a small section of second wedge-shaped inclined surface 15 along the radial direction of the workpiece is arranged on the wedge-shaped block for convenient installation, and the double wedge-shaped inclined surfaces can ensure the expansion circle of the workpiece, so that the inner support assembly 6 can stably support the inner wall of the cylinder body 1.
2. The invention is provided with two mechanisms of the screw rod 3 and the inner support assembly 6 to form a rigid assembly body with the cylinder body 1, can fully transmit the torque of the mandrel 2 to the cylinder body 1, and avoids the phenomenon of slipping between the mandrel and the cylinder body 1 in the friction stir welding process.
3. The guide ring block 9 and the arc ring block 10 as well as the arc ring block 10 and the arc ring block 10 are connected by adopting a connecting block 16 and a cylindrical pin shaft 17, and the inner cavity of the arc ring block 10 is in clearance hinge fit so as to adapt to the change of the relative position of the arc ring block 10 during the circle expansion, so that the assembly is simpler.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An internal support fixture for barrel circumferential seam deflection welding is characterized by comprising a barrel, a mandrel, a screw, a switching disc, a clamping disc and an internal support assembly, wherein the mandrel is arranged in the middle of the barrel and extends along the central axis of the barrel, two ends of the mandrel extend to the outer side of the barrel, one end of the screw is fixed to the mandrel, the other end of the screw penetrates through the side wall of the barrel, the clamping disc is circumferentially fixed to the outer side surface of the mandrel, and the clamping disc is located at the end of the mandrel;
the adapter plate is circumferentially fixed on the outer side surface of the mandrel and located inside the barrel, the inner support assembly is annular, the outer peripheral surface of the inner support assembly is abutted to the inner side wall of the barrel, and the inner peripheral surface of the inner support assembly is fixed with the adapter plate.
2. The internal support fixture for barrel circumferential seam deflection welding according to claim 1, wherein the internal support assembly comprises a wedge-shaped ring block, two guide ring blocks and an arc-shaped component, the two guide ring blocks are respectively fixed at two ends of the wedge-shaped ring block, and two ends of the arc-shaped component are respectively connected with the two guide ring blocks.
3. The internal support fixture for barrel circumferential seam deflection welding as recited in claim 2, wherein the arc assembly comprises a plurality of arc-shaped ring blocks, and the plurality of arc-shaped ring blocks are connected.
4. The inner support fixture for barrel circumferential seam deflection welding according to claim 3, wherein a fixing plate facing the center of the inner support assembly is arranged on the inner side wall of the guide ring block and the arc-shaped ring block, the fixing plate is provided with a taper hole, a taper pin shaft is arranged in the taper hole, and the inner support assembly is fixedly connected with the adapter plate through the taper pin shaft.
5. The inner support fixture for barrel circumferential seam deflection welding according to claim 3, wherein two adjacent arc-shaped ring blocks are connected through a connecting block and two cylindrical pins, two ends of each arc-shaped ring block are provided with first connecting holes, the connecting block is provided with second connecting holes, and the cylindrical pins sequentially penetrate through the second connecting holes and the first connecting holes to fixedly connect the two adjacent arc-shaped ring blocks.
6. The internal support fixture for barrel circumferential seam deflection welding according to claim 2, wherein the wedge-shaped ring block is fixedly connected with the guide ring block through a screw.
7. The inner support fixture for barrel circumferential seam deflection welding according to claim 2, wherein bosses are arranged at two ends of the wedge-shaped ring block, a groove is arranged at one end of the guide ring block connected with the wedge-shaped ring block, the bosses can extend into the groove, and a first wedge-shaped inclined surface is arranged on the end surface of each boss.
8. The internal support fixture for barrel circumferential seam deflection welding according to claim 7, wherein the side surface of the boss is provided with a second wedge-shaped inclined surface along the radial direction of the internal support assembly.
9. The inner support fixture for barrel circumferential weld dislocation welding as claimed in claim 3, wherein material saving holes are formed in the middle of the wedge-shaped ring block, the guide ring block and the arc-shaped ring block.
10. The internal support fixture for barrel circumferential seam deflection welding as claimed in claim 1, wherein the screw is circumferentially spaced in plurality, the barrel is circumferentially spaced at both ends and is provided with a plurality of through holes, and the end of the screw passes through the through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211183905.8A CN115609137B (en) | 2022-09-27 | 2022-09-27 | Inner supporting clamp for displacement welding of circumferential seams of cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211183905.8A CN115609137B (en) | 2022-09-27 | 2022-09-27 | Inner supporting clamp for displacement welding of circumferential seams of cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115609137A true CN115609137A (en) | 2023-01-17 |
| CN115609137B CN115609137B (en) | 2023-09-15 |
Family
ID=84859853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211183905.8A Active CN115609137B (en) | 2022-09-27 | 2022-09-27 | Inner supporting clamp for displacement welding of circumferential seams of cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115609137B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1220375A (en) * | 1967-04-27 | 1971-01-27 | Richard Glimpel | Improvements relating to gripping fixtures such as chucks and expanding mandrels |
| CA1178460A (en) * | 1982-12-03 | 1984-11-27 | Arthur W. Wright | Rotary holding tool |
| CN205393915U (en) * | 2016-03-14 | 2016-07-27 | 东方电气集团东方锅炉股份有限公司 | Deformation support frock is prevented to major diameter thin wall barrel |
| CN106624335A (en) * | 2016-10-19 | 2017-05-10 | 首都航天机械公司 | Centering butt joint positioning supporting device for vertical type stirring friction welding storage box assembly annular seam |
| CN207155340U (en) * | 2017-08-30 | 2018-03-30 | 安徽莱恩电泵有限公司 | Thin-walled support tube clamp for machining |
| CN208196068U (en) * | 2018-05-16 | 2018-12-07 | 山东豪迈机械制造有限公司 | A kind of barrel support device |
| CN212043637U (en) * | 2020-04-03 | 2020-12-01 | 陕西新兴热喷涂技术有限责任公司 | Workpiece clamping device |
| CN212192189U (en) * | 2020-05-27 | 2020-12-22 | 京鸿石油钻采工程技术有限公司 | Auxiliary supporting device for thin-wall workpiece machining |
| CN215146364U (en) * | 2021-07-15 | 2021-12-14 | 中国建筑第二工程局有限公司 | Welding fixture for steel structure |
| CN114227132A (en) * | 2022-01-18 | 2022-03-25 | 顾明强 | Welding method of metal cylinder welding machine |
| CN216997120U (en) * | 2021-07-13 | 2022-07-19 | 中节能西安启源机电装备有限公司 | Seamless winding drum mechanism of winding machine |
-
2022
- 2022-09-27 CN CN202211183905.8A patent/CN115609137B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1220375A (en) * | 1967-04-27 | 1971-01-27 | Richard Glimpel | Improvements relating to gripping fixtures such as chucks and expanding mandrels |
| CA1178460A (en) * | 1982-12-03 | 1984-11-27 | Arthur W. Wright | Rotary holding tool |
| CN205393915U (en) * | 2016-03-14 | 2016-07-27 | 东方电气集团东方锅炉股份有限公司 | Deformation support frock is prevented to major diameter thin wall barrel |
| CN106624335A (en) * | 2016-10-19 | 2017-05-10 | 首都航天机械公司 | Centering butt joint positioning supporting device for vertical type stirring friction welding storage box assembly annular seam |
| CN207155340U (en) * | 2017-08-30 | 2018-03-30 | 安徽莱恩电泵有限公司 | Thin-walled support tube clamp for machining |
| CN208196068U (en) * | 2018-05-16 | 2018-12-07 | 山东豪迈机械制造有限公司 | A kind of barrel support device |
| CN212043637U (en) * | 2020-04-03 | 2020-12-01 | 陕西新兴热喷涂技术有限责任公司 | Workpiece clamping device |
| CN212192189U (en) * | 2020-05-27 | 2020-12-22 | 京鸿石油钻采工程技术有限公司 | Auxiliary supporting device for thin-wall workpiece machining |
| CN216997120U (en) * | 2021-07-13 | 2022-07-19 | 中节能西安启源机电装备有限公司 | Seamless winding drum mechanism of winding machine |
| CN215146364U (en) * | 2021-07-15 | 2021-12-14 | 中国建筑第二工程局有限公司 | Welding fixture for steel structure |
| CN114227132A (en) * | 2022-01-18 | 2022-03-25 | 顾明强 | Welding method of metal cylinder welding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115609137B (en) | 2023-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111151965B (en) | Adjustable profile inner support welding tool and using method | |
| CN109822123B (en) | Clamping method, clamp and machining device for turning thin-wall cylindrical part | |
| CN111515520B (en) | Synchronous axial welding method for variable-diameter multi-welding-surface revolving body component | |
| CN111702394B (en) | Self-adaptive alignment clamping device suitable for butt welding processing of pipe barrel parts | |
| CN209850201U (en) | Butt spot welding tool clamp for water heater enamel inner container barrel body end socket | |
| CN115609137A (en) | Internal support fixture for barrel circumferential seam deflection welding | |
| CN219336022U (en) | Multi-section type rubber expansion sleeve expansion mandrel reverse expansion clamp | |
| CN112192157A (en) | Assembly welding processing method for semi-closed flame tube with deep U-shaped rotary section | |
| CN111774902B (en) | Valve body machining indexing fixture and machining method | |
| CN212526958U (en) | Valve body processing indexing fixture | |
| CN211072756U (en) | Centering combined clamping device in long cylinder | |
| CN210196218U (en) | Connecting assembly for perforated section bars | |
| CN219666359U (en) | Clamping tool for thin-wall cylindrical workpiece | |
| CN212652691U (en) | Turning clamp for blank circular tube of crystallizer copper tube | |
| CN210281166U (en) | Heat exchanger welding fixing device | |
| CN214867342U (en) | Positioning device for exhaust elbow | |
| CN110756957A (en) | Special welding fixture suitable for fillet welding of small-diameter cylinder or pipe and ring and provided with ball mandrel | |
| CN111496675A (en) | Transmission output shaft internal grinding clamp | |
| CN201552455U (en) | Clamp for processing outer surfaces of multiple-inserts rotatably-combined workpieces | |
| CN212682545U (en) | Star wheel end plane indexing milling fixture | |
| CN112247607B (en) | Thin-wall part turning clamp | |
| CN217253911U (en) | Electromagnetic type water gauge connecting pipe temporary welding device | |
| CN220127613U (en) | Eccentric workpiece turning tool | |
| CN220637461U (en) | Auxiliary fixture for processing excircle of thin-wall hollow shaft | |
| CN213163129U (en) | Core expanding clamp for circular workpiece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |