CN110842436A

CN110842436A - Clamp and welding machine with same

Info

Publication number: CN110842436A
Application number: CN201911114945.5A
Authority: CN
Inventors: 林祥龙; 张天翼; 张秀峰; 马徐武; 胡为纬
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-02-28
Anticipated expiration: 2039-11-14
Also published as: CN110842436B

Abstract

The invention provides a clamp and a welding machine with the same, wherein the clamp is used for bearing a workpiece and comprises: the bottom support is provided with a bearing surface so as to bear the workpiece by enabling the bearing surface to be in contact with the first surface of the workpiece; a support wall having a support surface to prevent the workpiece from toppling by bringing the support surface into contact with a second surface of the workpiece; wherein, the bottom support and the supporting wall are both made of non-magnetic materials. The fixture solves the problems that the fixture in the prior art influences the uniformity of induction heating and has poor fixing effect on workpieces.

Description

Clamp and welding machine with same

Technical Field

The invention relates to the field of induction heating welding, in particular to a clamp and a welding machine with the same.

Background

At present, the existing induction heating positioning clamp usually adopts a plurality of clamping arms made of metal materials to clamp a workpiece.

The clamping structure of the metal material can destroy the uniformity of magnetic lines of force generated by the induction coil, so that the eddy current generated in the workpiece is not uniform, and the heating effect of the workpiece is influenced; in addition, in order to reduce the interference to the magnetic force lines, the clamp adopting the clamping structure can only clamp one part of the workpiece positioned outside the induction coil, and the fixing effect is unstable.

Disclosure of Invention

The invention mainly aims to provide a clamp and a welding machine with the same, and aims to solve the problems that the clamp in the prior art influences induction heating uniformity and has poor fixing effect on a workpiece.

In order to achieve the above object, according to one aspect of the present invention, there is provided a jig for carrying a workpiece, the jig comprising: the bottom support is provided with a bearing surface so as to bear the workpiece by enabling the bearing surface to be in contact with the first surface of the workpiece; a support wall having a support surface to prevent the workpiece from toppling by bringing the support surface into contact with a second surface of the workpiece; wherein, the bottom support and the supporting wall are both made of non-magnetic materials.

Further, a support wall is connected with the bottom support, and the support wall extends along part of the edge of the bottom support; and/or the support surface may be shaped to conform to at least a portion of an outer surface of the workpiece such that the support surface conforms to at least a portion of the outer surface of the workpiece.

Furthermore, the bottom support is provided with an air supply channel, and the air supply channel extends to the bearing surface.

Further, at least part of the workpiece is a tubular structure; the collet includes grafting cooperation portion, and the air feed channel setting is in grafting cooperation portion to the cooperation is pegged graft in order to communicate air feed channel with tubular structure's inner chamber through grafting cooperation portion and tubular structure's one end.

Further, the base and the support wall are made of zirconia ceramics.

According to another aspect of the present invention, there is provided a welding machine for welding a workpiece, the workpiece including a plurality of sections assembled to one another to melt respective sections of the workpiece by the welding machine to join the sections; the welding machine comprises an induction heating coil and a clamp for bearing a workpiece; the clamp is the clamp.

Further, the welding machine comprises an installation seat, wherein an installation groove is formed in the installation seat, and a support wall of the clamp is installed in the installation groove; the mounting seat comprises a pressing piece, and the pressing piece is connected with the main body part of the mounting seat; the two pressing pieces are arranged on two opposite sides of the supporting wall in a one-to-one correspondence mode, and are respectively in contact with the two supporting walls so as to fixedly press the supporting walls in the mounting grooves through the two pressing pieces; and/or, be equipped with first fixed orifices on the support wall, be equipped with the second fixed orifices in the mounting groove to fix the support wall in the mounting groove through the fastener of wearing to establish in first fixed orifices and second fixed orifices.

Further, an induction heating coil is movably arranged along a first preset direction, and the induction heating coil is provided with an initial position and a heating position; when the induction heating coil is at an initial position, the induction heating coil and the clamp are arranged at intervals along a first preset direction; when the induction heating coil is at the heating position, the induction heating coil is sleeved on the outer side of the clamp.

Further, the induction heating coil is position-adjustably disposed in a second preset direction; and/or the induction heating coil is position-adjustably arranged along a third preset direction; the first preset direction, the second preset direction and the third preset direction are mutually vertical to each other.

Further, the welding machine includes a transfer base rotatably disposed about a predetermined axis, the induction heating coil being disposed at one side of the transfer base; the fixture is in a plurality, the plurality of fixtures are all installed on the transfer seat, and the plurality of fixtures are arranged around a preset axis so as to rotate the corresponding fixture to the induction heating coil by rotating the transfer seat by a preset angle around the preset axis.

The clamp applying the technical scheme of the invention is used for bearing a workpiece and comprises: the bottom support is provided with a bearing surface so as to bear the workpiece by enabling the bearing surface to be in contact with the first surface of the workpiece; a support wall having a support surface to prevent the workpiece from toppling by bringing the support surface into contact with a second surface of the workpiece; wherein, the bottom support and the supporting wall are both made of non-magnetic materials. The bottom support and the supporting wall are made of non-magnetic materials, so that the influence of the clamp on the uniformity of magnetic lines of force can be avoided, the uniformity of heating eddy current at each position of a workpiece can be effectively ensured, and the heating uniformity is ensured. On this basis, because anchor clamps can not cause the interference to the magnetic line of force, consequently, can make anchor clamps be close to induction coil more, wear to establish in induction coil even, the applicant supports the work piece through adopting the collet, cooperates the support wall to support the work piece again, can guarantee the fixed effect to the work piece. Therefore, the problem that the fixture in the prior art influences the induction heating effect and has poor fixing effect on the workpiece is solved at one stroke.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic structural diagram of a first perspective of an embodiment of a clip according to the present invention;

FIG. 2 shows a schematic structural diagram of a second perspective of an embodiment of a clip according to the present invention;

FIG. 3 shows a schematic structural diagram of a third perspective of an embodiment of a clip according to the present invention;

FIG. 4 shows a schematic structural diagram of an embodiment of a welder according to the present invention;

FIG. 5 shows an enlarged schematic view of a first region according to an embodiment of the welder in FIG. 4;

FIG. 6 shows an enlarged schematic view of a second region of an embodiment of a welder according to FIG. 4;

FIG. 7 shows an enlarged schematic view of a third area according to an embodiment of the welder in FIG. 4.

Wherein the figures include the following reference numerals:

1. a bottom support; 11. a bearing surface; 12. a plug-in mating portion; 121. a mating surface for mating; 2. a support wall; 21. a support surface; 22. a first fixing hole; 100. a workpiece; 200. an induction heating coil; 300. a clamp; 400. a mounting seat; 401. a compression member; 501. a third driving device; 502. a second driving device; 503. a first driving device; 600. and a transfer seat.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 3, the present invention provides a fixture for carrying a workpiece 100, the fixture comprising: a shoe 1, the shoe 1 having a bearing surface 11 to bear the workpiece 100 by contacting the bearing surface 11 with a first surface of the workpiece 100; a support wall 2, the support wall 2 having a support face 21 to prevent the workpiece 100 from toppling by bringing the support face 21 into contact with a second face of the workpiece 100; wherein, the bottom support 1 and the supporting wall 2 are both made of non-magnetic materials.

The clamp of the present invention is for carrying a workpiece 100, and comprises: a shoe 1, the shoe 1 having a bearing surface 11 to bear the workpiece 100 by contacting the bearing surface 11 with a first surface of the workpiece 100; a support wall 2, the support wall 2 having a support face 21 to prevent the workpiece 100 from toppling by bringing the support face 21 into contact with a second face of the workpiece 100; wherein, the bottom support 1 and the supporting wall 2 are both made of non-magnetic materials. The bottom support 1 and the supporting wall 2 are both made of non-magnetic materials, so that the influence of the clamp on the uniformity of magnetic lines of force can be avoided, the uniformity of heating eddy current at each position of the workpiece 100 can be effectively ensured, and the heating uniformity is ensured. On this basis, because anchor clamps can not cause the interference to the magnetic line of force, consequently, can make anchor clamps be close to induction coil more, wear to establish in induction coil even, the applicant supports work piece 100 through adopting collet 1, cooperates supporting wall 2 again to support work piece 100, can guarantee the fixed effect to work piece 100. Therefore, the problem that the fixture in the prior art influences the uniformity of induction heating and has poor fixing effect on the workpiece is solved at one stroke.

In particular, the support wall 2 is connected to the shoe 1, the support wall 2 being arranged to extend along part of the edge of the shoe 1.

In the implementation, the supporting wall 2 is connected with the bearing surface 11. The bottom support 1 is of a cylindrical structure, and the support wall 2 is a part of the cylindrical structure; preferably, the support wall 2 is of a semi-cylindrical configuration. Preferably, the mounting 1 is of one-piece construction with the support wall 2.

Specifically, the support surface 21 has a shape that is the same as at least a portion of the outer surface of the workpiece 100 such that the support surface 21 mates with at least a portion of the outer surface of the workpiece 100. Preferably, the supporting wall 2 is of an arc-shaped plate structure.

Specifically, the base support 1 is provided with a gas supply channel, and the gas supply channel extends to the bearing surface 11 so as to supply shielding gas to the workpiece 100 through the gas supply channel.

Specifically, at least a portion of the workpiece 100 is a tubular structure; the mounting 1 comprises a plug matching part 12, and the gas supply channel is arranged on the plug matching part 12 so as to be connected with one end of the tubular structure through the plug matching part 12 and communicated with the inner cavity of the tubular structure.

In practice, a shielding gas is thus supplied to the interior of the tubular structure. Preferably, the plug-fit portion 12 is a plug, and the workpiece 100 is provided with a socket for fitting the plug. Be equipped with the through-hole on collet 1, peg graft cooperation portion 12 wears to establish in the through-hole, and peg graft cooperation portion 12 extends to one side that bearing surface 11 was kept away from to collet 1 to make the air supply pipeline can be located one side that bearing surface 11 was kept away from to collet 1 with peg graft cooperation portion 12 and be connected.

Specifically, at least a part of the plug-fit portion 12 protrudes from the bearing surface 11, and the plug-fit portion 12 has a plug-fit surface 121, and the plug-fit surface 121 has the same shape as the inner wall surface of the port of the workpiece 100.

In particular, the shoe 1 and the support wall 2 are made of zirconia ceramic.

Referring to fig. 4 to 7, the present invention also provides a welding machine for welding a workpiece 100, the workpiece 100 including a plurality of segments assembled with each other to melt the segments of the workpiece 100 by the welding machine to connect the segments; the welding machine includes an induction heating coil 200 and a jig 300 for carrying the workpiece 100; the jig 300 is the jig described above. Specifically, the induction heating coil 200 has a ring-shaped structure.

Specifically, the welding machine comprises a mounting seat 400, wherein a mounting groove is formed in the mounting seat 400, and the supporting wall 2 of the clamp 300 is mounted in the mounting groove; the mounting seat 400 comprises a pressing piece 401, and the pressing piece 401 is connected with the main body part of the mounting seat 400; the number of the pressing pieces 401 is two, the two pressing pieces 401 are arranged on two opposite sides of the supporting wall 2 in a one-to-one correspondence manner, and the two pressing pieces 401 are respectively contacted with two of the supporting wall 2 so as to press and fix the supporting wall 2 in the installation groove through the two pressing pieces 401; and/or, be equipped with first fixed orifices 22 on the support wall 2, be equipped with the second fixed orifices in the mounting groove to through wearing to establish the fastener in first fixed orifices 22 and the second fixed orifices with support wall 2 fixes in the mounting groove.

Specifically, the induction heating coil 200 is movably disposed in a first preset direction, the induction heating coil 200 having an initial position and a heating position; when the induction heating coil 200 is at the initial position, the induction heating coil 200 and the jig 300 are spaced apart in a first preset direction; when the induction heating coil 200 is in the heating position, the induction heating coil 200 is fitted over the outside of the jig 300.

Specifically, the induction heating coil 200 is position-adjustably disposed in a second preset direction; and/or the induction heating coil 200 is position-adjustably arranged in a third preset direction; the first preset direction, the second preset direction and the third preset direction are mutually vertical to each other.

Specifically, the welding machine includes: the third driving device 501, the third driving device 501 is connected with the induction heating coil 200 to drive the induction heating coil 200 to move along a third preset direction; the second driving device 502, the second driving device 502 is connected with the third driving device 501 to drive the second driving device 502 to move along a second preset direction; the first driving device 503, the first driving device 503 is connected to the second driving device 502 to drive the second driving device 502 to move along the first predetermined direction.

In specific implementation, the first driving device 503, the second driving device 502, and the first driving device 503 may select various linear driving structures, such as a servo slide structure, a rack driving structure, a cylinder driving structure, a hydraulic cylinder driving structure, an electric push rod driving structure, and the like.

Specifically, the welding machine includes a transfer base 600, the transfer base 600 being rotatably disposed about a predetermined axis, the induction heating coil 200 being disposed at one side of the transfer base 600; the plurality of jigs 300 are provided, the plurality of jigs 300 are all mounted on the transfer base 600, and the plurality of jigs 300 are arranged around a predetermined axis to rotate the corresponding jig 300 to the induction heating coil 200 by rotating the transfer base 600 by a predetermined angle around the predetermined axis.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A clamp for carrying a workpiece (100), the clamp comprising:

a shoe (1), said shoe (1) having a bearing surface (11) to bear the workpiece (100) by bringing the bearing surface (11) into contact with a first face of the workpiece (100);

a support wall (2), the support wall (2) having a support face (21) to prevent the workpiece (100) from toppling over by bringing the support face (21) into contact with a second face of the workpiece (100);

wherein the bottom support (1) and the supporting wall (2) are both made of non-magnetic materials.

2. The clamp according to claim 1, characterized in that said support wall (2) is connected to said shoe (1), said support wall (2) being arranged extending along a portion of the edge of said shoe (1); and/or the presence of a gas in the gas,

the shape of the supporting surface (21) is the same as the shape of at least part of the outer surface of the workpiece (100), so that the supporting surface (21) is matched with at least part of the outer surface of the workpiece (100).

3. The clamp according to claim 1, characterized in that the shoe (1) is provided with a gas supply channel extending to the bearing surface (11).

4. A clamp according to claim 3, characterized in that at least part of the workpiece (100) is a tubular structure; collet (1) is including pegging graft cooperation portion (12), air feed channel sets up peg graft cooperation portion (12) is last, in order to pass through peg graft cooperation portion (12) with tubular structure's one end is pegged graft the cooperation in order with air feed channel with tubular structure's inner chamber intercommunication.

5. The clamp according to any one of claims 1 to 4, characterized in that said shoe (1) and said support wall (2) are both made of zirconia ceramic.

6. A welding machine, characterized in that it is used for welding a workpiece (100), said workpiece (100) comprising a plurality of sections assembled to each other to melt, by said welding machine, the individual sections of said workpiece (100) to enable the connection between them; the welding machine comprises an induction heating coil (200) and a clamp (300) for carrying the workpiece (100); the clamp (300) is as claimed in any one of claims 1 to 5.

7. The welding machine according to claim 6, characterized in that it comprises a mounting seat (400), on which mounting seat (400) a mounting groove is provided, in which mounting groove the support wall (2) of the clamp (300) is mounted;

wherein the mounting seat (400) comprises a pressing piece (401), and the pressing piece (401) is connected with the main body part of the mounting seat (400); the number of the pressing pieces (401) is two, the two pressing pieces (401) are arranged on two opposite sides of the supporting wall (2) in a one-to-one correspondence mode, and the two pressing pieces (401) are respectively in contact with the two supporting walls (2) so that the supporting wall (2) can be pressed and fixed in the mounting groove through the two pressing pieces (401); and/or the presence of a gas in the gas,

the supporting wall (2) is provided with a first fixing hole (22), a second fixing hole is formed in the mounting groove, and the supporting wall (2) is fixed in the mounting groove through fasteners penetrating through the first fixing hole (22) and the second fixing hole.

8. The welding machine according to claim 6, characterized in that said induction heating coil (200) is movably arranged along a first preset direction, said induction heating coil (200) having an initial position and a heating position; when the induction heating coil (200) is at the initial position, the induction heating coil (200) and the clamp (300) are arranged at intervals along the first preset direction; when the induction heating coil (200) is located at the heating position, the induction heating coil (200) is sleeved on the outer side of the clamp (300).

9. Welding machine according to claim 8, characterized in that the induction heating coil (200) is position-adjustably arranged in a second preset direction; and/or the induction heating coil (200) is position-adjustably arranged in a third predetermined direction;

the first preset direction, the second preset direction and the third preset direction are mutually perpendicular.

10. The welding machine according to claim 6, characterized in that it comprises a transfer seat (600), said transfer seat (600) being rotatably arranged around a predetermined axis, said induction heating coil (200) being arranged on one side of said transfer seat (600); the plurality of jigs (300) are provided, the plurality of jigs (300) are mounted on the transfer base (600), and the plurality of jigs (300) are arranged around the predetermined axis to rotate the corresponding jig (300) to the induction heating coil (200) by rotating the transfer base (600) around the predetermined axis by a predetermined angle.