CN110227883B - Angle-adjustable heat release welding die - Google Patents
Angle-adjustable heat release welding die Download PDFInfo
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- CN110227883B CN110227883B CN201910496792.9A CN201910496792A CN110227883B CN 110227883 B CN110227883 B CN 110227883B CN 201910496792 A CN201910496792 A CN 201910496792A CN 110227883 B CN110227883 B CN 110227883B
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- welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K23/00—Alumino-thermic welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses an angle-adjustable heat release welding die which comprises a lower die and an upper die detachably pressed on the lower die, wherein a welding cavity is formed between the upper die and the lower die, fan-shaped jacks which are used for enabling metal strips to be welded to extend in and are horizontal in end face are respectively formed on two opposite sides of the angle-adjustable heat release welding die, each fan-shaped jack is formed between the upper die and the lower die, the caliber of each fan-shaped jack is gradually reduced towards the direction of the welding cavity and is communicated with the welding cavity, an adjusting mechanism for adjusting the welding range of the welding cavity is arranged in the welding cavity, a reaction die is arranged on the upper die, and the reaction die is provided with a reaction cavity communicated with the welding cavity. The welding device has the characteristics of being capable of welding two metal strips with different angles and simple to operate, and is suitable for welding the two metal strips with different angles.
Description
Technical Field
The invention belongs to the technical field of welding, and particularly relates to an angle-adjustable exothermic welding mold.
Background
Exothermic welding, also known as exothermic welding, is a process in which metals are completely welded by the high temperature generated by the thermite reaction without the need for external energy. The existing heat release welding die is used for butt welding of metal strips and the like, and is generally used for right-angle welding, however, in some specific cases, non-right-angle welding needs to be carried out on two metal strips, so that the heat release welding die with corresponding angles needs to be manufactured separately, and resource waste is caused.
Disclosure of Invention
The invention provides an angle-adjustable exothermic welding mould which can adaptively adjust the angles of two metal strips and weld the two metal strips together.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides an adjustable angle's exothermic welding mould, includes the lower mould and can dismantle the last mould of pressfitting on the lower mould, in be formed with the butt fusion chamber between last mould and the lower mould, in two opposite sides of adjustable angle's exothermic welding mould are opened respectively and are supplied to wait to weld the metal strip and stretch into and the fan-shaped socket of terminal surface level, each fan-shaped socket forms between last mould and lower mould, the bore orientation of fan-shaped socket the direction in butt fusion chamber the tapering and with butt fusion chamber intercommunication, in be equipped with the adjustment mechanism that is used for adjusting butt fusion chamber welding scope in the butt fusion intracavity be equipped with the reaction mould on the last mould, the reaction mould have with the reaction chamber of butt fusion chamber intercommunication.
Further, the adjusting mechanism comprises two opposite baffles which are connected in the welding cavity in a sliding manner, two side surfaces of each baffle are close to or contact with two corresponding side walls of the welding cavity, the top surface and the bottom surface of each baffle are respectively abutted against the top wall and the bottom wall of the welding cavity, and each baffle is respectively connected with an adjusting bolt in threaded connection with the lower die in a rotating manner.
Further, a locking nut propped against the side wall of the lower die is connected to each adjusting bolt in a threaded manner.
Further, the welding cavity comprises a first half welding cavity formed at the upper end of the lower die and a second half welding cavity formed at the lower end of the upper die and corresponding to the first half welding cavity, and the first half welding cavity and the second half welding cavity are mutually buckled to form a complete welding cavity.
Further, each fan-shaped socket comprises two first half fan-shaped sockets formed on two opposite sides of the upper end of the lower die respectively, and two second half fan-shaped sockets formed on the lower end of the upper die and corresponding to the two first half fan-shaped sockets, and the first half fan-shaped sockets and the second half fan-shaped sockets are mutually buckled to form a complete fan-shaped socket.
Further, the central angle of the fan-shaped socket is 60-120 degrees.
Further, the reaction cavity comprises a pilot powder accommodating cavity, a welding powder accommodating cavity and a flow guide hole which are communicated downwards in sequence along the vertical direction, and the flow guide hole is communicated with the welding cavity.
Further, a die cover is fastened to the top end of the reaction die, and a igniting port communicated with the upper end of the reaction cavity is formed in one side of the die cover.
Further, the lower die, the upper die and the reaction die are all made of graphite materials.
Compared with the prior art, the invention adopts the structure, and the technical progress is that: firstly, two metal strips extend into a welding cavity through two fan-shaped jacks respectively, the caliber of each fan-shaped jack is gradually reduced towards the direction of the welding cavity, the two metal strips are respectively rotated by taking the joint of the fan-shaped jack and the welding cavity as the center, the angles of the two metal strips are adjusted to achieve a preset angle after welding forming, then one ends of the two metal strips, which are close to each other, are positioned in the welding range of the optimal welding cavity, namely an effective welding area, and then an upper die and a lower die are pressed together, at the moment, the two metal strips are pressed between the upper die and the lower die, a reaction cavity of the reaction die is communicated with the effective welding area, welding powder and pilot powder are sequentially paved in the reaction cavity from bottom to top, the pilot powder is ignited, and the ends, which are connected with the two metal strips positioned in the welding cavity, are welded together through heat generated by chemical replacement reaction; therefore, the invention has the characteristics of being capable of welding two metal strips with different angles and simple operation, and is suitable for welding the metal strips with various angles.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is an exploded view of a structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a lower die according to an embodiment of the present invention;
FIG. 3 is a schematic view of another embodiment of a lower die;
FIG. 4 is a schematic view of a metal strip assembled in a scalloped socket according to an embodiment of the present invention;
FIG. 5 is a schematic view of the upper die according to the embodiment of the present invention;
FIG. 6 is a cross-sectional view showing the structure of the upper mold and the reaction mold according to the embodiment of the present invention.
Marking parts: 1-lower die, 101-first half welding cavity, 102-first half fan-shaped socket, 201-baffle, 202-adjusting bolt, 203-lock nut, 3-upper die, 301-second half welding cavity, 302-second half fan-shaped socket, 4-reaction die, 401-ignition powder containing cavity, 402-welding powder containing cavity, 403-diversion hole, 5-die cover, 501-ignition port, 6-screw rod, 7-metal strip.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are presented for purposes of illustration and explanation only and are not intended to limit the present invention.
The invention discloses an angle-adjustable heat release welding die which is of a split type structure, and a preferred embodiment is shown in fig. 1 and comprises an upper die 3, a lower die 1, a reaction die 4 and an adjusting mechanism. Wherein, a welding cavity is formed between the upper die 3 and the lower die 1, and the welding cavity is of a split structure. In this embodiment, two opposite sides are respectively opened with a fan-shaped socket, the end surfaces of the fan-shaped sockets are horizontal, each fan-shaped socket is formed between the upper die 3 and the lower die 1, and each fan-shaped socket is also of a split structure, and the caliber of the fan-shaped socket tapers towards the direction of the welding cavity and is communicated with the welding cavity. The ends of the metal strips 7 to be welded, with larger caliber, extend into the welding cavity through the ends with smaller caliber, and the two metal strips 7 are respectively rotated by taking the joint of the fan-shaped socket and the welding cavity as the center, so that the preset angle is achieved after welding forming. The adjusting mechanism is arranged in the welding cavity and used for adjusting the welding range of the welding cavity, one end, close to each other, of the two metal strips 7 is located in the optimal welding range of the welding cavity through the adjusting mechanism, namely an effective welding area, the upper die 3 is pressed on the lower die 1 and fastened through the screw rod 6, at the moment, the two metal strips 7 are pressed in a fan-shaped socket between the upper die 3 and the lower die 1, and when the metal strips 7 are pulled or rotated by external force, the part located in the fan-shaped socket cannot displace. The reaction die 4 is positioned at the upper end of the upper die 3 and is integrally constructed with the upper die 3, the reaction die 4 is provided with a reaction cavity communicated with the welding cavity, welding powder and igniting powder are filled in the reaction cavity, the igniting powder is positioned at the upper end of the welding powder, and the end parts, connected by the two metal strips 7 positioned in the welding cavity, are welded by heat generated by chemical replacement reaction. After the welding is finished, the upper die 3 and the lower die 1 are separated, and then the two welded metal strips 7 are taken out. In summary, in this embodiment, the welding angle of the two metal strips 7 is adjusted through the non-buckled fan-shaped socket, so as to adapt to the welding requirements of different angles.
The preferred embodiment of the adjustment mechanism is shown in fig. 2, where the adjustment mechanism includes two opposing baffles 201, and the two baffles 201 are on different sides of the two scallops. The two baffles 201 are respectively and slidably connected in the welding cavity, two side surfaces of each baffle 201 are respectively close to or contact with two corresponding side walls of the welding cavity, and the top surface and the bottom surface of each baffle 201 are respectively propped against the top wall and the bottom wall of the welding cavity, so that the welding liquid is prevented from flowing out of an effective welding area through the baffles 201. Each baffle 201 is respectively connected with an adjusting bolt 202 in a rotating way, and each adjusting bolt 202 is respectively inserted into the welding cavity from the side threads of the lower die 1 of the corresponding baffle 201 and is connected with the corresponding baffle 201 in a rotating way. An operator rotates the adjusting bolt 202 to enable the bolt to drive the baffle 201 to move towards or away from the other baffle 201, and further adjustment of the effective welding area range is achieved. And a locking nut 203 is connected to each adjusting bolt 202 in a threaded manner, and each locking nut 203 is respectively abutted against the corresponding side wall of the lower die 1 so as to lock the adjusting bolt 202 from rotating.
The welding cavity is preferably implemented, as shown in fig. 2, 3 and 5, and comprises a first half welding cavity 101 formed at the upper end of the lower die 1, and a second half welding cavity 301 formed at the lower end of the upper die 3 and corresponding to the first half welding cavity 101, wherein the first half welding cavity 101 and the second half welding cavity 301 are mutually buckled to form a complete welding cavity. The preferred embodiment of the fan-shaped socket is that, as shown in fig. 2, 3 and 5, each fan-shaped socket comprises two first half fan-shaped sockets 102 respectively formed on two opposite sides of the upper end of the lower die 1, and two second half fan-shaped sockets 302 formed on the lower end of the upper die 3 and corresponding to the two first half fan-shaped sockets 102, wherein the first half fan-shaped sockets 102 and the second half fan-shaped sockets 302 are mutually buckled to form a complete fan-shaped socket, and the central angle of the preferred fan-shaped socket is 60 degrees to 120 degrees. When the central angle of the fan-shaped socket is 60-120 degrees, the central line of the fan-shaped socket is perpendicular to the transmission direction of the adjusting bolt 202. The fan-shaped socket can also be in a structure shown in fig. 3, and the fan-shaped socket is half of the fan-shaped socket, so that when the angle of the metal strips 7 is adjusted, the alignment of the inner ends of the two metal strips 7 extending into the welding cavity is more accurate.
In a preferred embodiment of the reaction chamber, as shown in fig. 6, the reaction chamber includes a pilot powder accommodating chamber 401, a welding powder accommodating chamber 402 and a diversion hole 403 which are sequentially communicated downwards along a vertical direction, and the diversion hole 403 is communicated with the welding chamber, the pilot powder is placed in the pilot powder accommodating chamber 401, the welding powder is placed in the welding powder accommodating chamber 402, and welding liquid generated by reaction flows into an effective welding area of the welding chamber through the diversion hole 403, so that the welding of the ends of the two metal strips 7 is realized.
For safety, ignition and smoke discharge of the ignition powder, as shown in fig. 1 and 6, a mold cover 5 is detachably buckled at the top end of the reaction mold 4, one side of the mold cover 5 is provided with an ignition port 501 communicated with the ignition powder accommodating cavity 401 at the upper end of the reaction cavity, and the ignition powder is led out of the reaction cavity from the ignition powder accommodating cavity 401 through the ignition port 501, so that the ignition of the ignition powder is facilitated.
The preferable manufacturing materials of the lower die 1, the upper die 3 and the reaction die 4 are made of graphite materials, and the graphite materials are mainly based on the characteristics that graphite has high temperature resistance and does not react with welding liquid.
The working principle of the embodiment of the invention is as follows:
firstly, two metal strips 7 are respectively stretched into a welding cavity through two fan-shaped jacks, the caliber of each fan-shaped jack is gradually reduced towards the direction of the welding cavity, the two metal strips 7 are respectively rotated by taking the joint of the fan-shaped jack and the welding cavity as the center, the angles of the two metal strips 7 are adjusted so as to achieve the preset angle after welding forming, then one ends of the two metal strips 7, which are close to each other, are positioned in the welding range of the optimal welding cavity through an adjusting mechanism, then the upper die 3 and the lower die 1 are pressed together, at the moment, the two metal strips 7 are pressed between the upper die 3 and the lower die 1, the reaction cavity of the reaction die 4 is communicated with an effective welding area, welding powder and ignition powder are sequentially paved in the reaction cavity from bottom to top, the ignition powder is ignited, and the ends, which are connected with the two metal strips 7 positioned in the welding cavity, are welded together through heat generated by chemical replacement reaction.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (4)
1. An angle-adjustable exothermic welding mold, which is characterized in that: the device comprises a lower die and an upper die which is detachably pressed on the lower die, a welding cavity is formed between the upper die and the lower die, two opposite sides of an angle-adjustable heat release welding die are respectively provided with a fan-shaped socket which is used for a metal strip to be welded to extend in and is horizontal in end face, each fan-shaped socket is formed between the upper die and the lower die, each fan-shaped socket comprises two first half fan-shaped sockets which are respectively formed on two opposite sides of the upper end of the lower die, two second half fan-shaped sockets which are respectively formed on the lower end of the upper die and correspond to the two first half fan-shaped sockets, the center angle of each fan-shaped socket is 60-120 degrees, the caliber of each fan-shaped socket is gradually reduced towards the direction of the welding cavity and is communicated with the welding cavity, an adjusting mechanism used for adjusting the welding range of the welding cavity is arranged in the welding cavity, each adjusting mechanism comprises two opposite baffle plates which are respectively formed in the welding cavity, the two side faces of the baffle are respectively connected with the top face of the upper die and the two side faces of the welding cavity, a threaded cap is respectively arranged on the side face of the upper die and the side face of the upper die, a threaded cap is in contact with the side wall of the upper die and the threaded cap is in a threaded cap, and the threaded cap is respectively connected with the side of the upper die and the threaded cap is in a threaded cap.
2. An adjustable angle exothermic welding mold according to claim 1, wherein: the welding cavity comprises a first half welding cavity formed at the upper end of the lower die and a second half welding cavity formed at the lower end of the upper die and corresponding to the first half welding cavity, and the first half welding cavity and the second half welding cavity are mutually buckled to form a complete welding cavity.
3. An adjustable angle exothermic welding mold according to claim 1, wherein: the reaction cavity comprises a pilot powder accommodating cavity, a welding powder accommodating cavity and a flow guide hole which are communicated downwards in sequence along the vertical direction, and the flow guide hole is communicated with the welding cavity.
4. An adjustable angle exothermic welding mold according to claim 1, wherein: the lower die, the upper die and the reaction die are all made of graphite materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910496792.9A CN110227883B (en) | 2019-06-10 | 2019-06-10 | Angle-adjustable heat release welding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910496792.9A CN110227883B (en) | 2019-06-10 | 2019-06-10 | Angle-adjustable heat release welding die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110227883A CN110227883A (en) | 2019-09-13 |
| CN110227883B true CN110227883B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910496792.9A Active CN110227883B (en) | 2019-06-10 | 2019-06-10 | Angle-adjustable heat release welding die |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5715886A (en) * | 1996-04-18 | 1998-02-10 | Erico International Corporation | Single use welding mold and method |
| WO2007031528A1 (en) * | 2005-09-12 | 2007-03-22 | Railtech International | Mold for aluminothermal welding of railway tracks |
| CN103692048A (en) * | 2013-12-06 | 2014-04-02 | 国家电网公司 | Large-diameter metal material welding mold and welding method |
| CN204844856U (en) * | 2015-07-24 | 2015-12-09 | 浙江中科恒泰新材料科技有限公司 | Hot welding set of adhesive tape |
| CN106513475A (en) * | 2016-12-26 | 2017-03-22 | 唐山耐特铁塔制造有限公司 | Tool for angle steel double-surface bending on press |
| CN108581317A (en) * | 2018-04-24 | 2018-09-28 | 合肥学院 | A kind of welding equipment |
| CN210451363U (en) * | 2019-06-10 | 2020-05-05 | 河北华友古建筑工程股份有限公司 | Angle-adjustable exothermic welding mold |
-
2019
- 2019-06-10 CN CN201910496792.9A patent/CN110227883B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5715886A (en) * | 1996-04-18 | 1998-02-10 | Erico International Corporation | Single use welding mold and method |
| WO2007031528A1 (en) * | 2005-09-12 | 2007-03-22 | Railtech International | Mold for aluminothermal welding of railway tracks |
| CN103692048A (en) * | 2013-12-06 | 2014-04-02 | 国家电网公司 | Large-diameter metal material welding mold and welding method |
| CN204844856U (en) * | 2015-07-24 | 2015-12-09 | 浙江中科恒泰新材料科技有限公司 | Hot welding set of adhesive tape |
| CN106513475A (en) * | 2016-12-26 | 2017-03-22 | 唐山耐特铁塔制造有限公司 | Tool for angle steel double-surface bending on press |
| CN108581317A (en) * | 2018-04-24 | 2018-09-28 | 合肥学院 | A kind of welding equipment |
| CN210451363U (en) * | 2019-06-10 | 2020-05-05 | 河北华友古建筑工程股份有限公司 | Angle-adjustable exothermic welding mold |
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| CN110227883A (en) | 2019-09-13 |
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Address after: 9th Floor, Century International Center, No. 75 Donggang Road, Yuhua District, Shijiazhuang City, Hebei Province, 050000 Applicant after: Hebei Huayou cultural heritage protection Co.,Ltd. Address before: 9th Floor, Century International Center, No. 75 Donggang Road, Yuhua District, Shijiazhuang City, Hebei Province, 050000 Applicant before: HEBEI H.&Y. ANCIENT BUILDING ENGINEERING CO.,LTD. |
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