CN116552011B - Positioning welding tool for welding steel-lined polytetrafluoroethylene pipe - Google Patents
Positioning welding tool for welding steel-lined polytetrafluoroethylene pipe Download PDFInfo
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- CN116552011B CN116552011B CN202310697535.8A CN202310697535A CN116552011B CN 116552011 B CN116552011 B CN 116552011B CN 202310697535 A CN202310697535 A CN 202310697535A CN 116552011 B CN116552011 B CN 116552011B
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- rod
- rotating
- sliding
- shaped
- rotating shaft
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- 238000003466 welding Methods 0.000 title claims abstract description 23
- -1 polytetrafluoroethylene Polymers 0.000 title claims abstract description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 12
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 12
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7841—Holding or clamping means for handling purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The application discloses a positioning welding tool for welding steel-lined polytetrafluoroethylene pipes, which relates to the field of pipe welding tool structures and comprises a base, wherein a linear sliding rail is arranged on the top side of the base, two sliding blocks are slidably arranged on the linear sliding rail, a driving unit is arranged on one side of each sliding block, a fixing frame is arranged on the top side of each sliding block through a supporting rod, the fixing frame is in a square structure, and a rotating hole is formed in the inner side wall of each fixing frame. According to the application, the power unit drives the first rotating shaft and the column gears to rotate, under the meshing effect, the two sliding rods synchronously move along the fixed frame and drive the two L-shaped fixing frames to be close to or far away from each other, and when the two L-shaped fixing frames are close to each other, the V-shaped clamping assembly is driven to clamp the pipe, and as the two column gears are at the same height, the two clamped pipes are in a coaxial state no matter whether the diameters of the two clamped pipes are the same or not, and the two clamped pipes are convenient to use after being clamped and fixed.
Description
Technical Field
The application relates to the field of pipe welding tool structures, in particular to a positioning welding tool for welding steel-lined polytetrafluoroethylene pipes.
Background
The steel-lined polytetrafluoroethylene tube has excellent temperature resistance and corrosion resistance, is ideal conveying equipment for organic solvents such as nitric acid, sulfuric acid, hydrofluoric acid, phosgene, chlorine, aqua regia, mixed acid, bromide and other strong corrosive media, can stably run under extreme negative pressure working conditions at high temperature (within 150 ℃) for a long time, is widely applied to high-temperature and high-negative pressure systems such as distillation and the like, and needs to be welded due to different lengths of required pipelines when the steel-lined polytetrafluoroethylene tube is constructed, and is generally fixed by a positioning tool during welding.
In the prior art, when fixing pipes by using a positioning tool, the positioning tool is generally special for fixing two pipes with the same pipe diameter, and when two pipes with different pipe diameters are connected in a reducing way, the positioning tool is not easy to align the central lines of the two pipes with different pipe diameters, and certain inconvenience is caused by the positioning tool, so that the positioning welding tool for welding the steel lining polytetrafluoroethylene pipes is disclosed to meet the demands of people.
Disclosure of Invention
The application aims to provide a positioning welding tool for welding steel-lined polytetrafluoroethylene pipes, which aims to solve the problems that when the positioning tool is used for fixing pipes, the positioning tool is generally special for fixing two pipes with the same pipe diameter, and when two pipes with different pipe diameters are connected in a reducing way, the positioning tool is not easy to align the central lines of the two pipes with different pipe diameters, and certain inconvenience is caused in use.
In order to achieve the above purpose, the present application provides the following technical solutions: a fixed-position welding frock for steel lining polytetrafluoroethylene tubular product welded, comprises a base, the linear slide rail is installed to the topside of base, slidable mounting has two sliding blocks on the linear slide rail, two drive unit is installed to one side of sliding block, two the fixed frame is all installed through the bracing piece to the topside of sliding block, the fixed frame is a mouthful font structure, the rotation hole has been seted up on the inside wall of fixed frame, the first pivot is installed in the rotation hole in the rotation, install the pillar gear in cup jointing in the first pivot, power unit is installed to the one end of first pivot, be located on the fixed frame all seted up the slide hole on two inside walls of pillar gear both sides, two equal slidable mounting has the slide bar in the slide hole, two the slide bar is dislocation arrangement, and two on the slide bar one side that is close to each other all installs the rack, two the rack with pillar gear meshes mutually, two one side of slide bar just is close to the tip position all installs L shape, two L shape one end of the mount has two V-arrangement, two V-arrangement clamping components all match.
Preferably, the power unit comprises a first motor, the first motor is mounted on the outer side of the fixed frame, and an output shaft of the first motor is connected with one end of the first rotating shaft in the same shaft mode.
Preferably, the driving unit comprises a rotating rod, the rotating rod is rotatably mounted on the top side of the base through a fixing seat, external threads are formed in the outer side of the rotating rod, screw holes are formed in one sides of the two sliding blocks, the external threads are matched with the screw holes in a threaded mode, a second motor is mounted on one side of the base, and an output shaft of the second motor is connected with one end of the rotating rod in the same shaft mode.
Preferably, the external thread is divided into two sections, the two sections of external threads are symmetrically arranged along the middle part of the rotating rod, the spiral directions of the two sections of external threads are opposite to each other, and the two sections of external threads are in threaded connection with the screw holes on the corresponding sliding blocks.
Preferably, the V-shaped clamping assembly comprises two main clamping rods and a plurality of auxiliary clamping rods, the two main clamping rods are symmetrically and rotatably mounted on one side of the L-shaped fixing frame through a second rotating shaft and are in a V shape, the two sides of the main clamping rods are respectively provided with a plurality of connecting rods, one sides of the plurality of auxiliary clamping rods are respectively mounted on one ends of the corresponding main clamping rods, one sides of the same main clamping rods and one sides of the auxiliary clamping rods are located on the same plane, and a synchronous different-direction rotating unit is mounted between the two second rotating shafts.
Preferably, rubber pads are arranged on one sides of the main clamping rod and the auxiliary clamping rod.
Preferably, the synchronous different-direction rotating unit comprises two incomplete gears, the two incomplete gears are arranged at one ends corresponding to the main clamping rods, the incomplete gears and the corresponding second rotating shafts are coaxially arranged, the two incomplete gears are meshed, and the locking unit is arranged at one side of one second rotating shaft.
Preferably, the locking unit comprises a U-shaped rod, wherein a limiting disc is arranged at one end of one second rotating shaft, a plurality of limiting holes are uniformly formed in one side of the limiting disc along the second rotating shaft, a sliding hole is formed in one side of the L-shaped fixing frame, one end of the U-shaped rod is slidably arranged in the sliding hole, and the other end of the U-shaped rod is matched with the corresponding limiting hole.
Preferably, a tension spring is arranged on the wall of the bottom hole of the sliding hole, and one end of the tension spring is arranged at one end of the U-shaped rod.
Preferably, a pointer is arranged on the outer circumferential wall of the limiting disc, an angle mark is engraved on one side of the L-shaped fixing frame, and the pointer is matched with the angle mark.
In summary, the application has the technical effects and advantages that:
1. according to the application, through the arrangement of the base, the two column gears are identical in size and located at the same height, the power unit drives the first rotating shaft and the column gears to rotate, under the meshing effect, the two sliding rods synchronously move along the fixed frame and drive the two L-shaped fixing frames to be close to or far away from each other, when the two L-shaped fixing frames are close to each other, the V-shaped clamping assembly is driven to clamp the pipe, and as the two column gears are located at the same height, the two clamped pipe is in a coaxial state no matter whether the diameters are identical or not after being clamped and fixed, the two sliding blocks are interacted along the linear sliding rail, so that one ends of the two pipe are close to each other and welded, and the use is convenient.
2. According to the application, through the arrangement of the two main clamping rods, the two main clamping rods are arranged in a V shape, the round pipe can be clamped under the cooperation of the two V-shaped structures, the auxiliary clamping rods on the two sides can prevent the pipe from rotating, the pipe can be better fixed, the included angle of the V-shaped structures can be adjusted through the arrangement of the second rotating shaft, so that the pipe with different pipe diameters can be better adapted, the friction force between one side of the main clamping rods and the auxiliary clamping rods and the pipe can be better increased through the rubber pad, the pipe can be better fixed, the two main clamping rods can rotate at equal angles through the arrangement of the two incomplete gears, so that the symmetry axis is kept unchanged, and the center position of the clamped pipe is unchanged.
3. According to the application, through the arrangement of the U-shaped rod, when the main clamping rod and the second rotating shaft rotate for a certain angle, one end of the U-shaped rod is inserted into the corresponding limiting hole, so that the rotation of the second rotating shaft is limited, the locking function is realized, and through the arrangement of the tension spring, one end of the U-shaped rod can be pulled by tension to be automatically inserted into the corresponding limiting hole, meanwhile, the U-shaped rod can be prevented from slipping out of the limiting hole by one side, and the safety is improved.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic view of the present application in a cut-away configuration;
FIG. 3 is a schematic view of a partial cut-away structure of a fixing frame area according to the present application;
FIG. 4 is a schematic cross-sectional view of the main clamping block region of the present application;
FIG. 5 is a schematic view of a partial cut-away view of an incomplete gear area according to the present application;
fig. 6 is a schematic view of a partial cut-away configuration of a U-shaped bar area in accordance with the present application.
In the figure: 1. a base; 2. a linear slide rail; 3. a sliding block; 4. a support rod; 5. a fixed frame; 6. a first motor; 7. an L-shaped fixing frame; 8. a main clamping rod; 9. an auxiliary clamping rod; 10. a second motor; 11. an external thread; 12. a fixing seat; 13. a rotating lever; 14. a slide bar; 15. a first rotating shaft; 16. a second rotating shaft; 17. a post gear; 18. a U-shaped rod; 19. a connecting rod; 20. rubber cushion; 21. a limiting disc; 22. an incomplete gear; 23. an angle mark; 24. a limiting hole; 25. and a tension spring.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples: referring to a positioning welding tool for welding steel-lined polytetrafluoroethylene pipes shown in fig. 1-6, the positioning welding tool comprises a base 1, wherein a linear slide rail 2 is installed on the top side of the base 1, two sliding blocks 3 are installed on the linear slide rail 2 in a sliding mode, a driving unit is installed on one side of each sliding block 3, a fixed frame 5 is installed on the top side of each sliding block 3 through a supporting rod 4, the fixed frame 5 is in a square structure, a rotating hole is formed in the inner side wall of the fixed frame 5, a first rotating shaft 15 is rotatably installed in the rotating hole, a column gear 17 is sleeved on the first rotating shaft 15, two column gears 17 are identical in size and located at the same height, a power unit is installed at one end of each first rotating shaft 15, sliding holes are formed in two inner side walls of each fixed frame 5, located on two sides of each column gear 17, sliding rods 14 are installed in a sliding mode, the two sliding rods 14 are arranged in a staggered mode, one side, close to each other, of each sliding rod is meshed with each column gear 17, one side of each sliding rod 14 is provided with a L-shaped fixing frame 7, each L-shaped fixing frame 7 is installed at one end, and each V-shaped fixing frame is matched with each V-shaped fixing frame.
Based on above structure, when using, through the setting of base 1, two post gears 17 size are the same and lie in same height, power pack drives first pivot 15 and post gear 17 and rotates, under the meshing effect, two slide bar 14 move and drive two L shape mounts 7 and be close to each other or keep away from along fixed frame 5, drive V-arrangement clamping assembly and grasp tubular product when two L shape mounts 7 are close to each other, because two post gears 17 are in same height, thereby make two tubular products by the centre gripping whether the diameter is the same, all be in coaxial state after the centre gripping is fixed, follow two interactive sliding blocks 3 of linear slide rail 2, make the one end of two tubular products be close to each other and weld, convenient to use.
As shown in fig. 3, the power unit includes a first motor 6, the first motor 6 is mounted on the outer side of the fixed frame 5, an output shaft of the first motor 6 is connected with one end of a first rotating shaft 15 by the same shaft, and the first motor 6 drives the first rotating shaft 15 to rotate through the arrangement of the first motor 6, so as to drive a post gear 17 to rotate, thereby realizing power output.
As shown in fig. 1 and 2, the driving unit includes a rotating rod 13, the rotating rod 13 is rotatably mounted on the top side of the base 1 through a fixing seat 12, an external thread 11 is provided on the outer side of the rotating rod 13, screw holes are provided on one sides of the two sliding blocks 3, the external thread 11 is in threaded connection with the screw holes, a second motor 10 is mounted on one side of the base 1, an output shaft of the second motor 10 is connected with one end of the rotating rod 13 through the arrangement of the rotating rod 13, the second motor 10 drives the rotating rod 13 to rotate, and under the action of the external thread 11, the two sliding blocks 3 move along the linear sliding rail 2 to realize a driving function.
As shown in fig. 1 and 2, the external thread 11 is divided into two sections, the two sections of external threads 11 are symmetrically arranged along the middle of the rotating rod 13, the spiral directions of the two sections of external threads 11 are opposite to each other, and the two sections of external threads 11 are matched with the screw holes on the corresponding sliding blocks 3 in a threaded manner, so that the two sliding blocks 3 can synchronously move and approach or depart from each other, one ends of two pipes are more rapidly approaching or departing from each other, and the working efficiency is improved.
As shown in fig. 4, the V-shaped clamping assembly comprises two main clamping rods 8 and a plurality of auxiliary clamping rods 9, the two main clamping rods 8 are symmetrically and rotatably mounted on one side of the L-shaped fixing frame 7 through a second rotating shaft 16 and are V-shaped, two sides of the two main clamping rods 8 are respectively provided with a plurality of connecting rods 19, one sides of the plurality of auxiliary clamping rods 9 are mounted on one ends of the corresponding main clamping rods 8, one sides of the main clamping rods 8 and one sides of the auxiliary clamping rods 9 on the same side are located on the same plane, synchronous different-direction rotating units are mounted between the two second rotating shafts 16, the two main clamping rods 8 are arranged in a V-shape mode through the arrangement of the two main clamping rods 8, circular pipes can be clamped under the cooperation of the two V-shaped structures, the auxiliary clamping rods 9 on two sides can prevent the pipes from rotating, the included angles of the V-shaped structures can be adjusted through the arrangement of the second rotating shafts 16, and accordingly the pipes with different pipe diameters can be well adapted.
As shown in fig. 4, rubber pads 20 are mounted on one sides of the main clamping rod 8 and the auxiliary clamping rod 9, and friction force between one sides of the main clamping rod 8 and the auxiliary clamping rod 9 and the pipe can be increased through the rubber pads 20, so that the pipe can be fixed better.
As shown in fig. 5, the synchronous and anisotropic rotation unit includes two incomplete gears 22, the two incomplete gears 22 are installed at one ends of the corresponding main clamping rods 8, the incomplete gears 22 are coaxially arranged with the corresponding second rotating shafts 16, the two incomplete gears 22 are meshed, one side of one second rotating shaft 16 is provided with a locking unit, and the two main clamping rods 8 can rotate at equal angles through the arrangement of the two incomplete gears 22, so that the symmetry axis is unchanged, and the central position of the clamped pipe is unchanged.
As shown in fig. 6, the locking unit includes a U-shaped rod 18, wherein one end of one second rotating shaft 16 is provided with a limiting disc 21, one side of the limiting disc 21 is provided with a plurality of limiting holes 24 uniformly along the second rotating shaft 16, one side of the l-shaped fixing frame 7 is provided with sliding holes, one end of the U-shaped rod 18 is slidably mounted in the sliding holes, the other end is matched with the corresponding limiting hole 24, and through the arrangement of the U-shaped rod 18, after the main clamping rod 8 and the second rotating shaft 16 rotate by a certain angle, one end of the U-shaped rod 18 is inserted into the corresponding limiting hole 24, thereby limiting the rotation of the second rotating shaft 16 and realizing the locking function.
As shown in fig. 6, a tension spring 25 is installed on the wall of the bottom hole of the sliding hole, one end of the tension spring 25 is installed at one end of the U-shaped rod 18, and through the arrangement of the tension spring 25, one end of the U-shaped rod 18 can be pulled by tension to be automatically inserted into the corresponding limiting hole 24, meanwhile, the U-shaped rod 18 can be prevented from being arbitrarily slid out of the limiting hole 24, and safety is improved.
As shown in fig. 5, a pointer is mounted on the outer circumferential wall of the limiting disc 21, an angle mark 23 is engraved on one side of the L-shaped fixing frame 7, the pointer is matched with the angle mark 23, and through the arrangement of the angle mark 23, the rotation angle of the main clamping rod 8 can be rapidly identified, so that the rotation angle of the main clamping rod 8 can be conveniently adjusted.
The working principle of the application is as follows:
when in use, through the setting of base 1, two post gears 17 size are the same and lie in same height, power unit drives first pivot 15 and post gear 17 rotation, under the meshing effect, two slide bars 14 are along fixed frame 5 synchronous motion and drive two L shape mounts 7 and be close to each other or keep away from, drive V shape clamping assembly clamping tube when two L shape mounts 7 are close to each other, because two post gears 17 are in same height, thereby make two tubular products of being held whether the diameter is the same, all be in coaxial state after the centre gripping is fixed, interactive two sliding blocks 3 along linear slide rail 2, make the one end of two tubular products be close to each other and weld, facilitate the use, through the setting of two main clamping bars 8, two main clamping bars 8 are V font arrangement, can grasp circular tubular product under the cooperation of two V shape structures, the auxiliary clamping bar 9 of both sides can prevent tubular product rotation, better fixed tubular product, the setting through second pivot 16 can adjust V shape structure's contained angle, thereby better adaptation tubular product of different pipe diameters, can be with the increase the axial position of two main clamping bars 8 and the centre gripping bar 8 through the cushion, thereby the degree of being different tubular product is not being symmetrical with the setting up, the centre gripping bar is not to change the centre gripping bar 8, thereby make the tubular product is not rotated with the centre gripping bar is not to the centre gripping bar is better.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present application, and although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present application.
Claims (2)
1. A positioning welding frock for steel lining polytetrafluoroethylene tubular product welding, includes base (1), its characterized in that: the device comprises a base (1), a linear sliding rail (2) is arranged on the top side of the base (1), two sliding blocks (3) are slidably arranged on the linear sliding rail (2), a driving unit is arranged on one side of each sliding block (3), a fixed frame (5) is arranged on the top side of each sliding block (3) through a supporting rod (4), the fixed frame (5) is in a square structure, a rotating hole is formed in the inner side wall of the fixed frame (5), a first rotating shaft (15) is rotatably arranged in the rotating hole, a column gear (17) is sleeved on the first rotating shaft (15), a power unit is arranged at one end of each first rotating shaft (15), sliding holes are formed in two inner side walls of each column gear (17) on the fixed frame (5), sliding rods (14) are slidably arranged in the sliding holes, one side, which is close to each other, of the two sliding rods (14) is provided with a rotating hole, two racks (17) are rotatably arranged in the rotating hole, two clamping assemblies are arranged at one side, which is close to one end of each fixing frame (7), and two clamping assemblies are meshed with one end of each fixing frame (7) in a V-shaped shape;
the driving unit comprises a rotating rod (13), the rotating rod (13) is rotatably arranged on the top side of the base (1) through a fixed seat (12), external threads (11) are formed in the outer side of the rotating rod (13), screw holes are formed in one sides of the two sliding blocks (3), the external threads (11) are in threaded connection with the screw holes, a second motor (10) is arranged on one side of the base (1), and an output shaft of the second motor (10) is connected with one end of the rotating rod (13) through the same shaft;
the external thread (11) is divided into two sections, the two sections of external threads (11) are symmetrically arranged along the middle part of the rotating rod (13), the spiral directions of the two sections of external threads (11) are opposite, and the two sections of external threads (11) are in threaded connection and match with the screw holes on the corresponding sliding blocks (3);
the V-shaped clamping assembly comprises two main clamping rods (8) and a plurality of auxiliary clamping rods (9), wherein the two main clamping rods (8) are symmetrically and rotatably arranged on one side of the L-shaped fixing frame (7) through second rotating shafts (16) and are in a V shape, a plurality of connecting rods (19) are respectively arranged on two sides of the two main clamping rods (8), one side of each auxiliary clamping rod (9) is arranged at one end corresponding to the corresponding main clamping rod (8), one side of each main clamping rod (8) and one side of each auxiliary clamping rod (9) which are positioned on the same side are positioned on the same plane, and a synchronous and different-direction rotating unit is arranged between the two second rotating shafts (16);
rubber pads (20) are arranged on one side of the main clamping rod (8) and one side of the auxiliary clamping rod (9);
the synchronous different-direction rotating unit comprises two incomplete gears (22), the two incomplete gears (22) are arranged at one end corresponding to the main clamping rod (8), the incomplete gears (22) are coaxially arranged with the corresponding second rotating shaft (16), the two incomplete gears (22) are meshed, and a locking unit is arranged at one side of one second rotating shaft (16);
the locking unit comprises a U-shaped rod (18), one end of one second rotating shaft (16) is provided with a limiting disc (21), one side of the limiting disc (21) is uniformly provided with a plurality of limiting holes (24) along the second rotating shaft (16), one side of the L-shaped fixing frame (7) is provided with a sliding hole, one end of the U-shaped rod (18) is slidably arranged in the sliding hole, and the other end of the U-shaped rod is matched with the corresponding limiting hole (24);
a tension spring (25) is arranged on the wall of the bottom hole of the sliding hole, and one end of the tension spring (25) is arranged at one end of the U-shaped rod (18);
the pointer is arranged on the outer circumferential wall of the limiting disc (21), an angle mark (23) is engraved on one side of the L-shaped fixing frame (7), and the pointer is matched with the angle mark (23).
2. The positioning welding fixture for welding steel-lined polytetrafluoroethylene tubing according to claim 1, wherein: the power unit comprises a first motor (6), the first motor (6) is arranged on the outer side of the fixed frame (5), and an output shaft of the first motor (6) is connected with one end of the first rotating shaft (15) in the same shaft mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310697535.8A CN116552011B (en) | 2023-06-13 | 2023-06-13 | Positioning welding tool for welding steel-lined polytetrafluoroethylene pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310697535.8A CN116552011B (en) | 2023-06-13 | 2023-06-13 | Positioning welding tool for welding steel-lined polytetrafluoroethylene pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116552011A CN116552011A (en) | 2023-08-08 |
| CN116552011B true CN116552011B (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310697535.8A Active CN116552011B (en) | 2023-06-13 | 2023-06-13 | Positioning welding tool for welding steel-lined polytetrafluoroethylene pipe |
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| CN (1) | CN116552011B (en) |
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| CN118144282B (en) * | 2024-05-13 | 2024-07-12 | 江苏氟豪防腐科技有限公司 | Connecting device for welding tetrafluoro on lining of anti-corrosion storage tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250922A (en) * | 2020-02-17 | 2020-06-09 | 梁新业 | Welding auxiliary equipment |
| CN115570327A (en) * | 2022-11-04 | 2023-01-06 | 芜湖中科飞机制造有限公司 | Aircraft engine support fixed-position welding mechanism |
| CN218284355U (en) * | 2022-08-11 | 2023-01-13 | 青岛昊辉金属结构有限公司 | Two-side clamping type welding tool |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250922A (en) * | 2020-02-17 | 2020-06-09 | 梁新业 | Welding auxiliary equipment |
| CN218284355U (en) * | 2022-08-11 | 2023-01-13 | 青岛昊辉金属结构有限公司 | Two-side clamping type welding tool |
| CN115570327A (en) * | 2022-11-04 | 2023-01-06 | 芜湖中科飞机制造有限公司 | Aircraft engine support fixed-position welding mechanism |
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