CN111906483A - Welding and clamping pressing process for butt-joint connecting section bar - Google Patents

Welding and clamping pressing process for butt-joint connecting section bar Download PDF

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Publication number
CN111906483A
CN111906483A CN202010609775.4A CN202010609775A CN111906483A CN 111906483 A CN111906483 A CN 111906483A CN 202010609775 A CN202010609775 A CN 202010609775A CN 111906483 A CN111906483 A CN 111906483A
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China
Prior art keywords
welding
profiles
connecting plate
section bar
sliding block
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CN202010609775.4A
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CN111906483B (en
Inventor
蔡林
陈雅芹
马露
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Foshan Deke Aluminum Co.,Ltd.
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Wuhu Huiyue Mechanical Design Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426Fixtures for other work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/003Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to controlling of welding distortion

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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)

Abstract

The invention belongs to the technical field of profile welding, and particularly relates to a welding and clamping process for butt-joint connecting profiles, wherein a welding auxiliary device used in the process comprises a connecting plate; an auxiliary welding module is arranged on the connecting plate; the auxiliary welding module is used for assisting in welding the section bar and comprises a sliding block, a supporting spring and a positioning bulge; the connecting plate is provided with an accommodating groove which is connected with the sliding block in a sliding manner; the number of the sliding blocks is two, and the sliding blocks correspond to the accommodating grooves one to one; according to the invention, the connecting plate is pushed to move, so that the sliding block moves between the two profiles, and the connecting position of the profiles is supported, the deformation caused by the fact that the flanges of the profiles are not supported during welding is avoided, the connection strength between the two profiles is influenced, the sliding block moves between the two profiles by pushing the connecting plate to move, the connection position of the profiles is further supported, and the deformation caused by the fact that the flanges of the profiles are not supported during welding is avoided, and the connection strength between the two profiles is influenced.

Description

Welding and clamping pressing process for butt-joint connecting section bar
Technical Field
The invention belongs to the technical field of profile welding, and particularly relates to a welding and clamping process for butt-joint connecting profiles.
Background
The section bar is an object with a certain geometric shape, which is made of materials with certain strength and toughness through processes of rolling, extruding, casting and the like. The material has certain appearance size, certain shape of cross section and certain mechanical and physical properties. The section bar can be used independently and can be further processed into other manufactured products, and is commonly used for building structures and manufacturing and installation. The mechanical engineer can select parameters such as specific shape, material quality, heat treatment state, mechanical property and the like of the section bar according to design requirements, then the section bar is divided according to specific size and shape requirements, and then the section bar is further processed or heat treated to meet the design precision requirements. The material, specification and size of the section can refer to corresponding national standards.
In the prior art, due to the limitation of the specification and length of the sectional material, the sectional material needs to be subjected to butt welding in the use process, so that the length of the sectional material is increased, but the sectional material is easy to generate welding deformation when being heated in the welding process, so that the appearance of the butt joint of the sectional material is influenced, and the structural strength is weakened;
the invention provides a welding and clamping process for butt-joint connecting profiles, wherein a welding auxiliary device used in the process pushes a connecting plate to move, so that a sliding block moves between the two profiles, the connecting position of the profiles is supported, and the phenomenon that the connection strength between the two profiles is influenced because the flanging of the profiles is not supported and deformed during welding is avoided.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a welding and clamping process for butt-joint connecting profiles, wherein a welding auxiliary device used in the process pushes a connecting plate to move, so that a sliding block is moved between two profiles, the connecting position of the profiles is supported, and the phenomenon that the connection strength between the two profiles is influenced because the flanges of the profiles are not supported and deformed during welding is avoided.
In order to achieve the purpose, the invention provides the following technical scheme: a butt joint connecting section welding and clamping process comprises the following steps:
s1: placing two sectional materials to be butted on a welding platform which is prepared in advance, and fixing the sectional materials by using an existing clamp after the placement is finished so as to keep the sectional materials not to move;
s2: inserting a positioning column prepared in advance into the through holes of the two sectional materials, and clamping and locking two ends of the positioning column by using two clamping plates so that the positioning column cannot move;
s3: the method comprises the following steps that a welding auxiliary device is used for assisting two profiles in advance, a connecting plate in the prepared welding auxiliary device is inserted into a groove of one of the profiles and is pushed to move until a sliding block on the connecting plate is positioned at the middle position of the two profiles and stops, and the profiles during welding are supported;
s4: welding the clamping position of the clamping plate by using the arranged welding equipment, and then welding the connecting position of the two sectional materials to realize the butt joint of the two sectional materials;
wherein the welding assistance device in S3 includes a connection plate; the shape of the connecting plate is matched with that of the groove of the section bar, and an auxiliary welding module is arranged on the connecting plate; the auxiliary welding module is used for assisting in welding the section bar and comprises a sliding block, a supporting spring and a positioning bulge; the connecting plate is provided with an accommodating groove which is connected with the sliding block in a sliding manner; the two sliding blocks are in one-to-one correspondence with the accommodating groove and are symmetrically distributed, and the lower end faces of the sliding blocks are elastically connected with the bottom wall of the accommodating groove through supporting springs; the upper surface of the sliding block is provided with a mounting groove; a buffer spring is connected in the mounting groove; the upper part of the buffer spring is fixedly connected with the lower surface of the positioning bulge; the positioning bulge is positioned in the middle of the sliding block; the middle positions of the two sectional materials are provided with through holes, positioning columns are inserted in the through holes, annular grooves are formed in the outer surfaces of the positioning columns, clamping plates are clamped between the two positioning columns, and the clamping plates correspond to the annular grooves. When in use, the sectional materials are not long enough and need to be connected, therefore, the sectional materials are placed on the platform and clamped by the clamp, the clamp is the prior art and is not described much, then the two sectional materials are aligned, then the connecting plate prepared on one side is inserted into the groove above one sectional material and is pushed to move towards the connecting part of the two sectional materials, the positioning bulge is placed in the mounting groove in the moving process, then the sliding block is pressed and the supporting spring is compressed, so that the upper end surface of the sliding block is positioned in the accommodating groove and keeps the pressing state, the sliding block enters the groove of the sectional material, the positioning bulge moves upwards to extend out of the mounting groove under the rebounding action of the supporting spring, but the positioning bulge of the sectional material cannot move out until the connecting part of the two sectional materials is moved, so that the sliding block is positioned between the two sectional materials, thereby supporting the joint of the sectional materials, avoiding deformation caused by unsupported flanging of the sectional materials during welding, thereby influencing the connection strength between the two sectional materials, simultaneously, the moving position of the sliding block is not well controlled in the moving process, therefore, the positioning bulge can be synchronously moved along with the sliding block by pre-installing the positioning bulge and lightly pressing the positioning bulge, when a gap of the joint is met, the positioning bulge at the moment is instantly rebounded under the rebounding action of the buffer spring, thereby stretching out the mounting groove to realize positioning, at the moment, the connecting plate stops moving, because the positioning bulge is positioned at the middle position of the sliding block, further improving the accuracy of the moving distance of the sliding block, then inserting the positioning column which is prepared in advance into the corresponding through hole, then utilizing the clamping plate to be clamped on the annular grooves at the two sides of the positioning column, realizing the fixation of the positioning column, and then utilizing the welding device to weld, and the joint of the positioning column and the clamping plate is welded and fixed.
Preferably, the two sides of the positioning protrusion are chamfered, and one side, close to each other, of each of the two profiles is polished, so that an inclined plane is formed at the edge of each profile. During the use, protruding both sides of location set to the inclined plane can reduce and the section bar inner wall between area of contact to reduce frictional force, make protruding more convenient that removes of location, the protruding distance that needs the junction between two section bars that can adapt to of the location that sets to the inclined plane simultaneously changes, thereby better realization locate function further improves positioning efficiency, makes the slider be in appropriate support position, support intensity when reinforcing the welding.
Preferably, the device further comprises a magnet; the two sides of the sliding block are hinged with sliding plates, the sliding plates are arranged into an arc shape, permanent magnets are embedded into the end portions of the sliding plates, at least two magnets are arranged, the two magnets are respectively placed on the upper surface of the section bar, and the magnets and the permanent magnets attract each other in a magnetic mode. During the use, at the in-process that the slider removed, burr and arch of keeping somewhere with man-hour on the section bar inner wall can be, can cause the hindrance to the in-process that the slider removed, consequently, through articulated curved slide in slider both sides in advance, and bellied one side up, thereby can reduce the friction between slider and the section bar inner wall, and the slide can cover the protection to the edge of slider, the life of extension slider, fix magnet in the corresponding position department of two section bars simultaneously, can carry out the actuation to the permanent magnet, make the tip of slide upwards swing under magnetic force, thereby further auxiliary stay is advanced to two section bars, the support strength has been strengthened greatly.
Preferably, one side of the sliding block is provided with a moving groove; a card is placed in the moving groove; one end of the card extends into the space between the spring rings of the buffer springs, and the other end of the card extends out of the moving groove and can move up and down in the moving groove. During the use, press the location arch at initial condition and with its more troublesome when filling in the recess of section bar, be difficult to the operation, in order to improve the operation convenience, through the shifting chute of seting up in slider one side, it only needs to press the location arch in needs, press the card in the shifting chute, make the card push down buffer spring, thereby in making protruding easy entering mounting groove of location, the operation convenience has been improved greatly, make the protruding recess that gets into the section bar more easily of location in.
Preferably, a positioning rod is fixedly connected in the moving groove in the vertical direction; the card is sleeved on the positioning rod. During the use, can fix a position the card through the locating lever that sets up for the card can be more convenient reciprocate, and makes the free end of card can not remove at will, also more laborsaving when pressing simultaneously, further improves the bellied convenience of pressing in location.
Preferably, a group of balls are embedded in two sides of the connecting plate respectively; the balls are free to rotate. During the use, through the ball that is provided with in connecting plate both sides to turning into rolling friction with sliding friction, greatly reduced frictional resistance, making the translation rate of connecting plate faster, and utilize lubricating oil to lubricate the ball in advance, reduce the wearing and tearing of ball, prolong the life of ball.
Compared with the prior art, the invention has the beneficial effects that:
1. the welding auxiliary device used in the invention enables the sliding block to move between the two profiles by pushing the connecting plate to move, so that the connecting position of the profiles is supported, and the phenomenon that the connecting strength between the two profiles is influenced because the flanges of the profiles are not supported and deformed during welding is avoided.
2. According to the welding auxiliary device, the arc-shaped sliding plates are hinged to the two sides of the sliding block in advance, the protruding side faces upwards, friction between the sliding block and the inner wall of the profile can be reduced, the sliding plate can cover and protect the edge of the sliding block, the service life of the sliding block is prolonged, meanwhile, the magnets are fixed at the corresponding positions of the two profiles and can attract the permanent magnets, the end portions of the sliding plates can swing upwards under the action of magnetic force, further auxiliary supporting is carried out on the two profiles, and supporting strength is greatly enhanced.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a front view of the present invention with two profiles connected;
FIG. 4 is a perspective view of two profiles of the present invention when joined;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a perspective view of a connecting plate according to the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at B;
FIG. 8 is a schematic structural view of a slider according to the present invention;
in the figure: welding platform 1, anchor clamps 2, connecting plate 3, slider 4, supporting spring 5, location arch 6, holding tank 7, buffer spring 8, reference column 9, cardboard 10, magnet 11, slide 12, permanent magnet 13, ball 14, moving slot 15, card 16, locating lever 17.
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.
Referring to fig. 1-8, the present invention provides the following technical solutions: a butt joint connecting section welding and clamping process comprises the following steps:
s1: placing two sectional materials to be butted on a welding platform 1 which is prepared in advance, and fixing the sectional materials by using an existing clamp 2 after the placement is finished so as to keep the sectional materials not to move;
s2: inserting a positioning column 9 prepared in advance into through holes of the two sectional materials, and clamping and locking two ends of the positioning column 9 by using two clamping plates 10 to prevent the positioning column 9 from moving;
s3: the method comprises the following steps that a welding auxiliary device is used for assisting two profiles in advance, a connecting plate 3 in the prepared welding auxiliary device is inserted into a groove of one of the profiles, the connecting plate 3 is pushed to move until a sliding block 4 on the connecting plate 3 is positioned at the middle position of the two profiles to stop, and the profiles during welding are supported;
s4: the clamping position of the clamping plate 10 is welded by using the arranged welding equipment, and then the connecting position of the two sectional materials is welded to realize the butt joint of the two sectional materials;
wherein the welding assistance device in S3 includes the connection plate 3; the shape of the connecting plate 3 is matched with that of the groove of the section bar, and an auxiliary welding module is arranged on the connecting plate 3; the auxiliary welding module is used for auxiliary profile welding and comprises a sliding block 4, a supporting spring 5 and a positioning bulge 6; an accommodating groove 7 is formed in the connecting plate 3, and the accommodating groove 7 is connected with the sliding block 4 in a sliding mode; the number of the sliding blocks 4 is two, the sliding blocks 4 correspond to the accommodating grooves 7 one by one, the two sliding blocks 4 are symmetrically distributed, and the lower end faces of the sliding blocks 4 are elastically connected with the bottom walls of the accommodating grooves 7 through supporting springs 5; an installation groove is formed in the upper surface of the sliding block 4; a buffer spring 8 is connected in the mounting groove; the upper part of the buffer spring 8 is fixedly connected with the lower surface of the positioning bulge 6; the positioning bulge 6 is positioned in the middle of the sliding block 4; through holes are formed in the middle positions of the two sectional materials, positioning columns 9 are inserted in the through holes, annular grooves are formed in the outer surfaces of the positioning columns 9, clamping plates 10 are clamped between the two positioning columns 9, and the clamping plates 10 correspond to the annular grooves. When in use, the sectional materials are required to be connected due to insufficient length of the sectional materials, and therefore, the sectional materials are placed on a platform and clamped by using the clamp 2, the clamp 2 is the prior art and is not described much, then two sectional materials are aligned, then the connecting plate 3 prepared on one side is inserted into the groove above one sectional material and pushes the connecting plate 3 to move towards the connecting position of the two sectional materials, the positioning bulge 6 is placed in the mounting groove in the moving process, then the sliding block 4 is pressed and the supporting spring 5 is compressed, so that the upper end face of the sliding block 4 is positioned in the accommodating groove 7 and keeps a pressing state, the sliding block 4 enters the groove of the sectional materials, the positioning bulge 6 moves upwards under the rebound action of the supporting spring 5 and extends out of the mounting groove, but cannot move out due to the flanging blocking of the sectional materials until the sectional materials move to the connecting position of the two sectional materials, the slide block 4 is positioned between two sectional materials, thereby supporting the joint of the sectional materials, avoiding the deformation caused by the unsupported flanging of the sectional materials during welding, thereby influencing the connection strength between the two sectional materials, meanwhile, the moving position of the slide block 4 in the moving process is not well controlled, therefore, the positioning bulge 6 is installed in advance, the positioning bulge 6 is pressed lightly, the positioning bulge 6 can move synchronously along with the slide block 4, when a gap at the joint is met, the positioning bulge 6 rebounds instantly under the rebounding action of the buffer spring 8, thereby extending out of the mounting groove to realize positioning, at the moment, the connecting plate 3 stops moving, because the positioning bulge 6 is positioned at the middle position of the slide block 4, further improving the accuracy of the moving distance of the slide block 4, then the positioning column 9 prepared in advance is inserted into a corresponding through hole, and then the clamping plate 10 is clamped on the annular grooves at two sides of the positioning column, the realization is fixed reference column 9, utilizes welding set to weld the junction of section bar afterwards, and reference column 9 and cardboard 10's junction carries out welded fastening.
As an embodiment of the present invention, both sides of the positioning protrusion 6 are chamfered, and both sides of the two profiles close to each other are ground, so that an inclined surface is formed at the edge of the profile. During the use, protruding 6 both sides of location set to the inclined plane can reduce and the section bar inner wall between area of contact, thereby reduce frictional force, make the protruding 6 removal of location more convenient, the protruding 6 distance that needs the junction between two section bars of location that sets to the inclined plane simultaneously changes, thereby better realization locate function further improves positioning efficiency, makes slider 4 be in appropriate supported position, support intensity when reinforcing the welding.
As an embodiment of the present invention, the present invention further includes a magnet 11; two sides of the sliding block 4 are hinged with sliding plates 12, the sliding plates 12 are arranged in an arc shape, permanent magnets 13 are embedded into the end portions of the sliding plates 12, at least two magnets 11 are arranged, the two magnets 11 are respectively placed on the upper surface of the section bar, and the magnets 11 and the permanent magnets 13 are attracted magnetically. During the use, at the in-process that slider 4 removed, can have burr and the arch of keeping somewhere with man-hour on the section bar inner wall, can cause the hindrance to the in-process that slider 4 removed, consequently through articulated curved slide 12 in slider 4 both sides in advance, and bellied one side up, thereby can reduce the friction between slider 4 and the section bar inner wall, and slide 12 can cover the protection to the edge of slider 4, prolong slider 4's life, fix magnet 11 in the corresponding position department of two section bars simultaneously, can carry out the actuation to permanent magnet 11, make slide 12's tip upwards swing under the magnetic force effect, thereby further auxiliary stay is advanced to two section bars, the support intensity has been strengthened greatly.
In one embodiment of the present invention, a moving groove 15 is provided on one side of the slider 4; a card 16 is placed in the moving slot 15; one end of the card 16 extends between the spring rings of the buffer spring 8, the other end extends out of the moving groove 15, and the card 16 can move up and down in the moving groove 15. During the use, it is more troublesome when pressing location arch 6 and filling it in the recess of section bar at initial condition, it is difficult to operate, in order to improve the operation convenience, through the shifting chute 15 of seting up in slider 4 one side, it only needs to press location arch 6 at needs, press card 16 in the shifting chute 15, make card 16 push down buffer spring 8, thereby make in the easy entering mounting groove of location arch 6, the operation convenience has been improved greatly, make in the recess of the protruding 6 easier entering section bar of location.
As an embodiment of the present invention, a positioning rod 17 is fixedly connected to the moving groove 15 in the vertical direction; the card 16 is sleeved on the positioning rod 17. During the use, can fix a position card 16 through the locating lever 17 that sets up for card 16 can be more convenient reciprocate, and makes the free end of card 16 can not remove at will, also more laborsaving during the while is pressed, further improves the protruding 6 convenience of pressing in location.
As an embodiment of the present invention, a set of balls 14 is embedded on both sides of the connecting plate 3; the balls 14 are free to rotate. During the use, through ball 14 that is provided with in connecting plate 3 both sides to turning into rolling friction with sliding friction, greatly reduced frictional resistance, making connecting plate 3's translation rate faster, and utilize lubricating oil to lubricate ball 14 in advance, reduce ball 14's wearing and tearing, prolong ball 14's life.
When in use, the sectional materials are required to be connected due to insufficient length of the sectional materials, and therefore, the sectional materials are placed on a platform and clamped by using the clamp 2, the clamp 2 is the prior art and is not described much, then two sectional materials are aligned, then the connecting plate 3 prepared on one side is inserted into the groove above one sectional material and pushes the connecting plate 3 to move towards the connecting position of the two sectional materials, the positioning bulge 6 is placed in the mounting groove in the moving process, then the sliding block 4 is pressed and the supporting spring 5 is compressed, so that the upper end face of the sliding block 4 is positioned in the accommodating groove 7 and keeps a pressing state, the sliding block 4 enters the groove of the sectional materials, the positioning bulge 6 moves upwards under the rebound action of the supporting spring 5 and extends out of the mounting groove, but cannot move out due to the flanging blocking of the sectional materials until the sectional materials move to the connecting position of the two sectional materials, the slide block 4 is positioned between two sectional materials, thereby supporting the joint of the sectional materials, avoiding the deformation caused by the unsupported flanging of the sectional materials during welding, thereby influencing the connection strength between the two sectional materials, meanwhile, the moving position of the slide block 4 in the moving process is not well controlled, therefore, the positioning bulge 6 is installed in advance, the positioning bulge 6 is pressed lightly, the positioning bulge 6 can move synchronously along with the slide block 4, when a gap at the joint is met, the positioning bulge 6 rebounds instantly under the rebounding action of the buffer spring 8, thereby extending out of the mounting groove to realize positioning, at the moment, the connecting plate 3 stops moving, because the positioning bulge 6 is positioned at the middle position of the slide block 4, further improving the accuracy of the moving distance of the slide block 4, then the positioning column 9 prepared in advance is inserted into a corresponding through hole, and then the clamping plate 10 is clamped on the annular grooves at two sides of the positioning column, fixing the positioning column 9, welding the joint of the profiles by using a welding device, and welding and fixing the joint of the positioning column 9 and the clamping plate 10; simultaneously with protruding 6 both sides of setting to the inclined plane of location can reduce with the section bar inner wall between area of contact, thereby reduce frictional force, make the protruding 6 removal of location more convenient, the protruding 6 of location that sets to the inclined plane simultaneously can adapt to the distance change that needs the junction between two section bars, thereby better realization locate function further improves positioning efficiency, makes slider 4 be in appropriate support position, support intensity when reinforcing the welding.
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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A welding and clamping process for butt-joint connecting profiles is characterized by comprising the following steps:
s1: placing two sectional materials to be butted on a welding platform (1) which is prepared in advance, and fixing the sectional materials by using an existing clamp (2) after the two sectional materials are placed, so that the sectional materials cannot move;
s2: inserting a positioning column (9) prepared in advance into the through holes of the two sectional materials, and clamping and locking two ends of the positioning column (9) by using two clamping plates (10) so that the positioning column (9) cannot move;
s3: the method comprises the steps that a welding auxiliary device is used for assisting two profiles in advance, a connecting plate (3) in the prepared welding auxiliary device is inserted into a groove of one of the profiles, the connecting plate (3) is pushed to move until a sliding block (4) on the connecting plate (3) is located at the middle position of the two profiles and stops, and the profiles during welding are supported;
s4: the clamping position of the clamping plate (10) is welded by using the arranged welding equipment, and then the connecting position of the two sectional materials is welded to realize the butt joint of the two sectional materials;
wherein the welding auxiliary device in S3 comprises a connecting plate (3); the shape of the connecting plate (3) is matched with the groove of the section bar, and an auxiliary welding module is arranged on the connecting plate (3); the auxiliary welding module is used for assisting in welding the section bar and comprises a sliding block (4), a supporting spring (5) and a positioning bulge (6); an accommodating groove (7) is formed in the connecting plate (3), and the accommodating groove (7) is connected with the sliding block (4) in a sliding mode; the two sliding blocks (4) are arranged, the sliding blocks (4) correspond to the accommodating grooves (7) one by one, the two sliding blocks (4) are symmetrically distributed, and the lower end faces of the sliding blocks (4) are elastically connected with the bottom walls of the accommodating grooves (7) through supporting springs (5); an installation groove is formed in the upper surface of the sliding block (4); a buffer spring (8) is connected in the mounting groove; the upper part of the buffer spring (8) is fixedly connected with the lower surface of the positioning bulge (6); the positioning bulge (6) is positioned in the middle of the sliding block (4); the middle positions of the two sectional materials are provided with through holes, positioning columns (9) are inserted in the through holes, annular grooves are formed in the outer surfaces of the positioning columns (9), clamping plates (10) are clamped between the two positioning columns (9), and the clamping plates (10) correspond to the annular grooves.
2. The welding and clamping process of the butt-joint connecting section bar according to claim 1, wherein: the two sides of the positioning protrusion (6) are chamfered, and one side, close to each other, of each of the two sectional materials is polished, so that an inclined plane is formed at the edge of each sectional material.
3. The welding and clamping process of the butt-joint connecting section bar according to claim 1, wherein: also comprises a magnet (11); both sides of slider (4) are articulated to have slide (12), slide (12) set to the arc, and the tip embedding of slide (12) has permanent magnet (13), magnet (11) are equipped with two at least, and two magnet (11) are placed respectively on the upper surface of section bar, and magnet (11) and permanent magnet (13) magnetism attract each other.
4. The welding and clamping process of the butt-joint connecting section bar according to claim 3, wherein: a moving groove (15) is formed in one side of the sliding block (4); a card (16) is placed in the moving groove (15); one end of the card (16) extends into the space between the spring rings of the buffer spring (8), the other end of the card extends out of the moving groove (15), and the card (16) can move up and down in the moving groove (15).
5. The welding and clamping process of the butt-joint connecting section bar as claimed in claim 4, wherein: a positioning rod (17) is fixedly connected in the moving groove (15) in the vertical direction; the card (16) is sleeved on the positioning rod (17).
6. The welding and clamping process of the butt-joint connecting section bar according to claim 1, wherein: a group of balls (14) are respectively embedded in two sides of the connecting plate (3); the balls (14) are free to rotate.
CN202010609775.4A 2020-06-29 2020-06-29 Welding and clamping pressing process for butt-joint connecting section bar Active CN111906483B (en)

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Cited By (1)

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CN114103131A (en) * 2021-11-30 2022-03-01 重庆卡福汽车制动转向系统有限公司 Thermal insulation housing welding device with deformable welding edge

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