CN210099280U - Resistance heat-assisted electromagnetic pulse composite welding device - Google Patents

Resistance heat-assisted electromagnetic pulse composite welding device Download PDF

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Publication number
CN210099280U
CN210099280U CN201920556774.0U CN201920556774U CN210099280U CN 210099280 U CN210099280 U CN 210099280U CN 201920556774 U CN201920556774 U CN 201920556774U CN 210099280 U CN210099280 U CN 210099280U
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China
Prior art keywords
welding
base
composite
workbench
control box
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Expired - Fee Related
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CN201920556774.0U
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Chinese (zh)
Inventor
彭和
蒋显全
白雪飞
张睿豪
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Southwest University
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Southwest University
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Priority to CN201920556774.0U priority Critical patent/CN210099280U/en
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Abstract

The utility model discloses a resistance heat auxiliary electromagnetic pulse composite welding device, composite welding device includes: the device comprises a machine base, a composite welding assembly and a weldment clamping device, wherein the composite welding assembly comprises a control box, a cylindrical mounting seat, a connector and a welding head; the welding piece clamping device is installed on a workbench of a machine base of the device, a resistance heating plate is embedded and fixed on the top surface of the welding base, a thermocouple is fixed on a welding head, the upper end of a cylindrical installation base is installed inside a control box, a connector is installed at the lower end of the cylindrical installation base, the lower end of the connector is connected with the welding head, and an electromagnetic coil is arranged in the welding head; the composite welding method applies instantaneous high-voltage electromagnetic force generated by an electromagnetic coil to a welding part to weld and mold the welding part; by adopting a resistance heating technology, holes are formed by heating and stimulating the activity capability of interface atoms, the melting point and the crystallization temperature of the material are reduced, the softening process of the interface material is accelerated, and the range of welding materials and the size of a welding piece are expanded.

Description

Resistance heat-assisted electromagnetic pulse composite welding device
Technical Field
The utility model belongs to the technical field of the welding, concretely relates to resistance heat auxiliary electromagnetic pulse composite welding device.
Background
Welding is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, in a heated, high temperature or high pressure manner. The electromagnetic pulse welding technology is a novel welding method for welding two weldments by using impact generated instantly by high-voltage electromagnetic force, the welding process is completed instantly, no pollution is caused, dissimilar metals, metals and non-metals can be welded, and the welding strength is high; however, the electromagnetic pulse welding technology requires cleaning the surface of the welded workpiece, avoids the influence of an adsorption layer or an oxidation layer on the surface of the workpiece on the welding quality, has certain requirements on the thickness of the workpiece, is suitable for welding Al and Al materials, and Cu plates, but is difficult to weld Mg and Cu, and Mg and Fe.
The electromagnetic pulse welding uses the Lorentz force, welding of a weldment is realized through impact and pressure, the size of the weldment is relatively thin, the types of welding materials are limited, and the requirements of structural members of automobiles and aerospace cannot be met.
Therefore, in order to expand the range of the welding material and the size of the welding part, the cavity is formed by stimulating the activity of interface atoms, the melting point and the crystallization temperature of the material are reduced, and the softening process of the interface material is accelerated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art exists, the utility model provides a resistance heat auxiliary electromagnetic pulse composite welding device, this composite welding device adopts the electromagnetic pulse welding, built-in solenoid of bonding tool, composite welding process need not the conversion bonding tool, realize quick welding, the weldment clamping device that the installation can go up and down on the workstation, the centre gripping to the welding plate among the composite welding process has been ensured, prevent welding plate skew among the welding process, the resistance heating technique has been adopted simultaneously, through the mobility of heating amazing interface atom, form the cavity, the melting point and the crystallization temperature of reduction material, interface material's softening process accelerates, welding material's scope and the size of welding have been extended.
The utility model discloses a realize through following technical scheme:
a resistance heat assisted electromagnetic pulse hybrid welding device, comprising: the device comprises a machine base, a composite welding assembly and a weldment clamping device, wherein the composite welding assembly comprises a control box, a cylindrical mounting seat, a connector and a welding head; the device comprises a machine base, a welding piece clamping device, a welding head and a mica plate heat-resistant layer, wherein the machine base comprises a workbench and a guide shaft fixedly arranged on the workbench, the welding piece clamping device is arranged on the workbench, a welding base is arranged on the workbench, the welding base is positioned right below the welding head, a resistance heating plate is embedded and fixed on the top surface of the welding base, and the resistance heating plate and the welding base are separated by the mica plate heat-resistant layer; a thermocouple is fixed on the welding head, and the measuring end of the thermocouple is positioned on the bottom surface of the welding head; the resistance heating plate and the thermocouple are connected with the temperature control box; the composite welding assembly is arranged above the workbench by utilizing a guide shaft, can ascend and descend along the guide shaft and is fixed in position by utilizing a locking knob; an intelligent control panel is arranged on the front surface of a control box of the composite welding assembly, the upper end of a cylindrical mounting seat is mounted inside the control box, a connector is mounted at the lower end of the cylindrical mounting seat, the lower end of the connector is connected with a welding head, an electromagnetic coil is arranged in the welding head, and the electromagnetic coil is electrically connected with a pulse energy-gathering capacitor mounted in the control box; the pulse energy-accumulating capacitor is externally connected with a charging power supply, a high-voltage gap discharge switch is arranged between the pulse energy-accumulating capacitor and the electromagnetic coil, and the opening and closing of the high-voltage gap discharge switch are controlled through the intelligent control panel.
Further, the weldment clamping device comprises a lifting clamp holder and an electric lifter for controlling the lifting clamp holder to lift.
Further, the lift holder includes platform base, upper mounting plate and activity clamp plate, and both ends are connected through the cylinder respectively around platform base, activity clamp plate, the upper mounting plate, and platform base, upper mounting plate and cylinder fixed connection, activity clamp plate can reciprocate along the cylinder, installs the double-screw bolt between upper mounting plate and the activity clamp plate, and when the centre gripping had the welding plate between platform base and the activity clamp plate, the double-screw bolt roof pressure lived the upper end of activity clamp plate to this carries out the centre gripping to the welding plate and fixes.
Furthermore, the platform base is fixedly connected with a multistage electric push rod of the electric lifter, the multistage electric push rod is installed on a base of the electric lifter, and the base of the electric lifter is fixedly connected with the workbench through screws.
Furthermore, the electric lifter is externally connected with a wired or wireless controller, the wired or wireless controller controls the multistage electric push rods of the electric lifter to stretch, the multistage electric push rods can stretch to drive the platform base to lift, and the wired or wireless controller can control the electric lifter to realize inching lifting or preset value lifting of the lifting clamp holder.
Furthermore, the two weldment clamping devices are symmetrically arranged on the workbench and respectively clamp the two welded plates; the electromagnetic pulse welding process needs the welding interfaces of two welding plates to have a spacing distance, the two welding part clamping devices can be controlled to ascend and descend by utilizing a wired or wireless controller respectively, and the ascending distance of the upper welding plate can be preset by the wired or wireless controller.
The beneficial effects of the utility model reside in that: the utility model discloses a resistance heat auxiliary electromagnetic pulse composite welding device, this composite welding device adopts the electromagnetic pulse welding, built-in solenoid of bonding tool, composite welding process need not the conversion bonding tool, realize the rapid welding, the weldment clamping device that the installation can go up and down on the workstation, the centre gripping to the welding plate among the composite welding process has been ensured, prevent welding in-process welding plate skew, the resistance heating technique has been adopted simultaneously, through the ability of moving of heating amazing interface atom, form the hole, the melting point and the crystallization temperature of reduce material, interface material's softening process accelerates, welding material's scope and the size of welding have been extended.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is an isometric view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a left side view of the present invention;
fig. 4 is a schematic front view of the welding head of the present invention;
fig. 5 is a left side view structural schematic diagram of the welding head of the present invention;
fig. 6 is a schematic front view of the weldment clamping device according to the present invention;
fig. 7 is a left side view schematic structural view of the weldment clamping device of the present invention;
fig. 8 is a schematic circuit diagram of the present invention.
In the drawings: 1-device base, 11-workbench, 12-guide shaft, 13-locking knob, 14-welding base, 15-temperature control box, 16-thermocouple, 17-resistance heating plate, 18-mica plate heat-resistant layer, 2-composite welding component, 21-control box, 23-connector, 24-welding head, 25-intelligent control panel, 26-electromagnetic coil, 27-pulse energy-gathering capacitor, 29-charging power supply, 3-welding piece clamping device, 4-lifting clamper, 41-platform base, 42-upper platform plate, 43-movable pressing plate, 44-cylinder, 45-stud, 5-electric lifter, 51-multistage electric push rod, 52-base, 53-screw, 6-welding plate, 61-welding plate, 72-high voltage gap discharge switch.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
In the description of the present application, it is to be understood that the terms "front", "back", "left", "right", "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
1-8, a resistance heat assisted electromagnetic pulse hybrid welding apparatus, comprising: the device comprises a device base 1, a composite welding assembly 2 and a weldment clamping device 3, wherein the composite welding assembly 2 comprises a control box 21, a cylindrical mounting seat 22, a connector 23 and a welding head 24; the device base 1 comprises a workbench 11 and a guide shaft 12 fixedly installed on the workbench 11, a welding seat 14 is arranged on the workbench 11, the welding seat 14 is positioned under a welding head 24, a resistance heating plate 17 is embedded and fixed on the top surface of the welding seat 14, and the resistance heating plate 17 is separated from the welding seat 14 through a mica plate heat-resistant layer 18; a thermocouple 16 is fixed on the welding head 24, and the measuring end of the thermocouple 16 is positioned on the bottom surface of the welding head 24; the resistance heating plate 17 and the thermocouple 16 are connected to the temperature control box 15; the thermocouple 16 is connected to the input end of the temperature control box 15, the control end of the temperature control box 15 is connected with the controlled end of the resistance heating plate 17, the temperature control box 15 detects the heating temperature through the thermocouple 16, and after the heating temperature is compared with the set heating temperature, the heating temperature of the weldment is controlled by adjusting the current of the resistance heating plate 17 through the temperature control box 15, so that the heating temperature is in the set temperature range, the two weldment clamping devices 3 are symmetrically installed on the workbench 11, and the two weldment clamping devices 3 are located on the left side and the right side of the welding seat 14 and respectively clamp the two welding plates 6; the weldment clamping device 3 comprises a lifting clamp holder 4 and an electric lifter 5 for controlling the lifting clamp holder 4 to lift; the lifting clamp 4 comprises a platform base 41, an upper platform plate 42 and a movable press plate 43, the front end and the rear end of the platform base 41, the movable press plate 43 and the upper platform plate 42 are respectively connected through a column 44, the platform base 41, the upper platform plate 42 and the column 44 are fixedly connected, the movable press plate 43 can move up and down along the column 44, and a stud 45 is arranged between the upper platform plate 42 and the movable press plate 43; the platform base 41 is fixedly connected with a multi-stage electric push rod 51 of the electric lifter 5, the multi-stage electric push rod 51 is installed on a base 52 of the electric lifter 5, and the base 52 of the electric lifter 5 is fixedly connected with the workbench 11 through a screw 53; the electric lifter 5 is externally connected with a wired or wireless controller, the wired or wireless controller controls the multistage electric push rod 51 of the electric lifter 5 to stretch, and the stretching of the multistage electric push rod 51 can drive the platform base 41 to lift; the composite welded assembly 2 is mounted above the table 11 with a guide shaft 12, the composite welded assembly 2 can be lifted and lowered along the guide shaft 12 and fixed in position with a locking knob 13; an intelligent control panel 25 is arranged on the front surface of the control box 21 of the composite welding assembly 2, the intelligent control panel 25 is externally connected with a PLC (programmable logic controller), and the intelligent control panel 25 is operated to realize the switching of various switches of the device, the disconnection or connection of a circuit, the lifting of components of the device and the like; the upper end of the cylindrical mounting seat 22 is mounted in the control box 21, the lower end of the cylindrical mounting seat 22 is provided with a connector 23, the lower end of the connector 23 is connected with a welding head 24, an electromagnetic coil 26 is arranged in the welding head 24, and the electromagnetic coil 26 is electrically connected with a pulse energy-gathering capacitor 27 mounted in the control box 21; the pulse energy-gathering capacitor 27 is externally connected with a charging power supply 29, a high-voltage gap discharge switch 72 is arranged between the pulse energy-gathering capacitor 27 and the electromagnetic coil 26, and the opening and closing of the high-voltage gap discharge switch 72 can be controlled through the intelligent control panel 25.
The resistance heat-assisted electromagnetic pulse composite welding device is used for welding, the composite welding device is installed and debugged, two plates 6 to be welded are respectively clamped and installed by utilizing a lifting clamp holder 4 and an electric lifter 5, welding interfaces of the two plates 6 are in contact, the stability of the two plates 6 in the composite welding process is ensured, the ascending distance of the upper welding plate is preset to be 1mm, a welding head 24 is adjusted to be in contact with an upper welding plate 61, a temperature control box 15 is started, the welding piece is heated to a set temperature through a resistance heating plate 17, and a pulse energy-gathering capacitor 27 is connected with a charging power supply 29; the electric lifter 5 is controlled by a wired or wireless controller to lift the upper welding plate 61 by 1mm so as to meet the requirement of the interval distance when two welding plates 6 are welded by electromagnetic pulse, the high-voltage gap discharge switch 72 is opened to enable the pulse energy-gathering capacitor 27 to rapidly discharge to the electromagnetic coil 26 in the welding head 24, the instantaneous high-voltage electromagnetic force generated by the electromagnetic coil 26 in the welding head 24 enables the welding part of the upper welding plate 61 to instantaneously impact the welding part of the lower welding plate, and the welding parts of the two welding plates 6 are welded and molded.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (6)

1. A resistance heat assisted electromagnetic pulse hybrid welding device, comprising: the device comprises a device base (1), a composite welding assembly (2) and a weldment clamping device (3), wherein the composite welding assembly (2) comprises a control box (21), a cylindrical mounting seat (22), a connector (23) and a welding head (24); the device comprises a machine base (1) and a welding device, wherein the machine base comprises a workbench (11) and a guide shaft (12) fixedly installed on the workbench (11), a weldment clamping device (3) is installed on the workbench (11), a welding seat (14) is arranged on the workbench (11), the welding seat (14) is located right below a welding head (24), a resistance heating plate (17) is embedded and fixed on the top surface of the welding seat (14), and the resistance heating plate (17) is separated from the welding seat (14) through a mica plate heat-resistant layer (18); a thermocouple (16) is fixed on the welding head (24), and the measuring end of the thermocouple (16) is positioned on the bottom surface of the welding head (24); the resistance heating plate (17) and the thermocouple (16) are connected with the temperature control box (15); the composite welding assembly (2) is arranged above the workbench (11) by a guide shaft (12), and the composite welding assembly (2) can be lifted along the guide shaft (12) and fixed in position by a locking knob (13); an intelligent control panel (25) is arranged on the front surface of a control box (21) of the composite welding assembly (2), the upper end of a cylindrical mounting seat (22) is mounted inside the control box (21), a connector (23) is mounted at the lower end of the cylindrical mounting seat (22), the lower end of the connector (23) is connected with a welding head (24), an electromagnetic coil (26) is arranged in the welding head (24), and the electromagnetic coil (26) is electrically connected with a pulse energy-gathering capacitor (27) in the control box (21); the pulse energy-accumulating capacitor (27) is externally connected with a charging power supply (29), a high-voltage gap discharge switch (72) is arranged between the pulse energy-accumulating capacitor (27) and the electromagnetic coil (26), and the opening and closing of the high-voltage gap discharge switch (72) are controlled through an intelligent control panel (25).
2. A resistance heat assisted electromagnetic pulse hybrid welding apparatus as defined in claim 1, wherein: the weldment clamping device (3) comprises a lifting clamp holder (4) and an electric lifter (5) for controlling the lifting clamp holder (4) to lift.
3. A resistance heat assisted electromagnetic pulse hybrid welding apparatus as defined in claim 2, wherein: lifting clamp holder (4) include platform base (41), upper landing board (42) and activity clamp plate (43), and the front and back both ends of platform base (41), activity clamp plate (43), upper landing board (42) are connected through cylinder (44) respectively, and platform base (41), upper landing board (42) and cylinder (44) fixed connection, and activity clamp plate (43) can reciprocate along cylinder (44), installs between upper landing board (42) and activity clamp plate (43) double-screw bolt (45).
4. A resistance heat assisted electromagnetic pulse hybrid welding apparatus as defined in claim 3 wherein: the platform base (41) is fixedly connected with a multi-stage electric push rod (51) of the electric lifter (5), the multi-stage electric push rod (51) is installed on a base (52) of the electric lifter (5), and the base (52) of the electric lifter (5) is fixedly connected with the workbench (11) through screws (53).
5. A resistance heat assisted electromagnetic pulse hybrid welding device as defined in claim 4, wherein: the electric lifter (5) is externally connected with a wired or wireless controller, the wired or wireless controller controls the multistage electric push rod (51) of the electric lifter (5) to stretch, and the stretching of the multistage electric push rod (51) can drive the platform base (41) to lift.
6. A resistance heat assisted electromagnetic pulse hybrid welding device as defined in claim 5, wherein: the two weldment clamping devices (3) are symmetrically arranged on the workbench (11) and respectively clamp the two welded plates (6).
CN201920556774.0U 2019-04-23 2019-04-23 Resistance heat-assisted electromagnetic pulse composite welding device Expired - Fee Related CN210099280U (en)

Priority Applications (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109940299A (en) * 2019-04-23 2019-06-28 西南大学 A kind of the electromagnetic pulse composite welding apparatus and complex welding method of resistance heat auxiliary
CN113263251A (en) * 2021-06-22 2021-08-17 重庆科技学院 Electromagnetic pulse welding equipment for copper-clad plate with good stability and process thereof
CN113275733A (en) * 2021-06-22 2021-08-20 南昌航空大学 Electromagnetic pulse material adding device and method for aviation multi-runner pipe fitting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109940299A (en) * 2019-04-23 2019-06-28 西南大学 A kind of the electromagnetic pulse composite welding apparatus and complex welding method of resistance heat auxiliary
CN113263251A (en) * 2021-06-22 2021-08-17 重庆科技学院 Electromagnetic pulse welding equipment for copper-clad plate with good stability and process thereof
CN113275733A (en) * 2021-06-22 2021-08-20 南昌航空大学 Electromagnetic pulse material adding device and method for aviation multi-runner pipe fitting

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