CN115213539A - Welding jig and spot welder - Google Patents
Welding jig and spot welder Download PDFInfo
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- CN115213539A CN115213539A CN202210898720.9A CN202210898720A CN115213539A CN 115213539 A CN115213539 A CN 115213539A CN 202210898720 A CN202210898720 A CN 202210898720A CN 115213539 A CN115213539 A CN 115213539A
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- limiting
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- positioning surface
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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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
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- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses a welding jig and a spot welding machine, which relate to the technical field of welding of parts and comprise a conductive mounting plate, wherein an in-place detection assembly, two first limiting parts, two first electrode holders, a second limiting part and a supporting plate are sequentially arranged on the conductive mounting plate, the in-place detection assembly is provided with a first positioning surface, one opposite side of each of the two first limiting parts is provided with a second positioning surface, one opposite side of each of the two first electrode holders is provided with a welding supporting part, a detachable electrode block is arranged on the welding supporting part, the second limiting part is opposite to the in-place detection assembly, the second limiting part is provided with a third positioning surface, and the supporting plate is provided with a fourth positioning surface, wherein the first positioning surface, the fourth positioning surface, the second positioning surface, the electrode block and the third positioning surface which are positioned on the same side form a positioning groove for positioning and limiting an automobile door frame guide rail product. The welding jig and the spot welding machine can position and fix the left and right door frame guide rails under the condition of not replacing the jig, and are convenient to weld.
Description
Technical Field
The invention relates to the technical field of welding of parts, in particular to a welding jig and a spot welder.
Background
In one of four processes of automobile production, in the production process of door frame products welded on automobile bodies, door frame glass guide rails are typical products, and the products are available on each type of automobile. Welding studs to guide rails is a common procedure. The production is carried out in a mode of combining a fixed spot welding machine and a positioning jig for ensuring the production efficiency. And because of the difference of the left and right door frames, the glass guide rails also have a left type and a right type. In continuous operation, when the left side product is produced and then the right side product is produced in a switching mode, the positioning jig on the fixed spot welding machine needs to be replaced by a die. The mold change time affects the production efficiency. In addition, to the car door frame guide rail product of two kinds of symmetries, all be a positioning jig of each kind of car door frame guide rail product development, cause positioning jig too much like this, and all need to change positioning jig again and rectify when trading the product and welding at every turn, complex operation, and development cost is too high.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, the embodiment of the invention provides a welding jig and a spot welding machine, which can position and fix left and right door frame guide rails under the condition of not replacing the jig, so that the spot welding machine can rapidly weld bolts on left and right door frames, and the production efficiency is effectively improved.
According to a first aspect of the invention, a welding jig is provided, which comprises a conductive mounting plate, wherein an in-place detection assembly, a first limiting piece, a first electrode holder, a second limiting piece and a supporting plate are sequentially arranged on the conductive mounting plate, and a first positioning surface is arranged on the front side of the in-place detection assembly; the two first limiting pieces are symmetrically arranged, second positioning surfaces are arranged on opposite sides of the two first limiting pieces, and the second positioning surfaces are vertically arranged and perpendicular to the first positioning surfaces; the first electrode holders are provided with two pieces of first electrode holders which are respectively positioned at the left side and the right side of the second limiting piece, the two pieces of first electrode holders are symmetrically arranged, welding supporting parts are arranged at opposite sides of the two pieces of first electrode holders, detachable electrode blocks are arranged on the welding supporting parts, and the electrode blocks are higher than the welding supporting parts; the second limiting part is over against the in-place detection assembly, third positioning surfaces are respectively arranged on the left side and the right side of the second limiting part, the two third positioning surfaces are vertically arranged and are positioned between the two second positioning surfaces, the third positioning surfaces are parallel to the second positioning surfaces, and the welding support part is positioned between the second positioning surfaces and the third positioning surfaces; the supporting plate is provided with a fourth positioning surface which is horizontally arranged, wherein the first positioning surface, the fourth positioning surface, the second positioning surface, the electrode block and the third positioning surface which are positioned on the same side form a positioning groove which is used for positioning and limiting the automobile door frame guide rail product.
The welding jig at least has the following beneficial effects: the first positioning surface, the fourth positioning surface, the second positioning surface positioned on the left side, the electrode block and the third positioning surface form a positioning groove for positioning and limiting a left door frame guide rail product of the automobile together, the first positioning surface, the fourth positioning surface, the second positioning surface positioned on the right side, the electrode block and the third positioning surface form a positioning groove for positioning and limiting a right door frame guide rail product of the automobile together, when the automobile door frame guide rail product is welded, the left automobile door frame guide rail product is placed on the left positioning groove, the right automobile door frame guide rail product is placed on the right positioning groove, the front end of the automobile door frame guide rail product is supported by the electrode block in the process of placing the automobile door frame guide rail product into the positioning groove, the automobile door frame guide rail product slides on the electrode block along with the guide rail product continuously advancing towards the direction of the in-place detection assembly, the left and right sides of second locating surface and third locating surface restriction car door frame guide rail product plays the guide orientation effect, also promptly car door frame guide rail product propelling movement puts in place when car door frame guide rail product touches first locating surface, at this moment, the front end of car door frame guide rail product is injectd to first locating surface, the left and right sides of second locating surface and third locating surface restriction car door frame guide rail product, make the front end and the left and right sides of car door frame guide rail product all by the complete positioning, and simultaneously, the front end of car door frame guide rail product is held by the electrode block, the back front end of car door frame guide rail product is held by the fourth locating surface, it is injectd to the location of car door frame guide rail product to pass through the locating groove, ensure that car door frame guide rail product can not produce the displacement under the effect of not having the external force, make things convenient for spot welding machine to carry out the welding of double-screw bolt. The welding jig disclosed by the invention is simple in structure, convenient to operate and high in practicability, can realize the welding production of quickly switching left and right automobile door frame guide rail products under the condition of not replacing the jig, keeps pace with the quick production rhythm of an automobile production line, ensures the welding efficiency, and further can save the development cost of the jig.
According to the welding jig of the first aspect of the invention, the in-place detection assembly comprises a baffle and a microswitch, the baffle is hinged to the conductive mounting plate so that the baffle can swing forwards or backwards, the first positioning surface is arranged on one surface of the baffle facing the second limiting part, and the microswitch is used for detecting the swing condition of the baffle.
According to the welding jig of the first aspect of the invention, the welding support portion is provided with a notch into which the electrode block is inserted, and the electrode block is fixedly locked on the welding support portion through a positioning pin after being inserted into the notch.
According to the welding jig of the first aspect of the invention, the welding support part is further provided with a pin hole matched with the positioning pin, the pin hole is communicated with the notch, and a position, which is opposite to the pin hole after the electrode block is embedded into the notch, is provided with a limiting hole for inserting the positioning pin.
According to the welding jig of the first aspect of the present invention, the first electrode holder and the first limiting member are both connected to the conductive mounting plate by bolts.
According to the welding jig of the first aspect of the present invention, the first electrode holder and the first limiting member each have a waist circular hole that can be engaged with a bolt, so that the first electrode holder and the first limiting member can be adjusted in the left-right direction.
According to the welding jig of the first aspect of the invention, the first electrode holder is provided with a cooling channel for cooling.
According to the welding jig of the first aspect of the invention, a first channel and a second channel are formed on one side of the first electrode holder, which is far away from the welding support part, a third channel is formed on one side of the first electrode holder, which is adjacent to the welding support part, the first channel and the second channel are both communicated with the third channel, and a channel opening of the third channel is blocked by a plug, so that the cooling channel is formed.
According to the welding jig of the first aspect of the invention, the second limiting member includes a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate are arranged side by side, the second limiting plate is located between the first limiting plate and the supporting plate, one third positioning surface is located on the right side of the first limiting plate, the other third positioning surface is located on the left side of the second limiting plate, the first limiting plate and the second limiting plate are both connected to the conductive mounting plate through bolts, and waist circular holes capable of being matched with the bolts are formed in the first limiting plate and the second limiting plate.
According to a second aspect of the invention, a spot welding machine is provided, which comprises a frame, a second electrode holder, an electrode tip and the welding jig of the first aspect, wherein the second electrode holder is fixed on the frame, the conductive mounting plate is connected with the second electrode holder through a bolt, the conductive mounting plate is provided with a kidney-shaped hole matched with the bolt, the electrode tip is fixed on the frame through a lifting mechanism, and the electrode tip is positioned right above the electrode tip.
The spot welding machine at least has the following beneficial effects: the positioning of the left and right door frame guide rail products of the automobile is limited by the first positioning surface, the fourth positioning surface and the positioning grooves formed by the second positioning surface, the electrode block and the third positioning surface which are positioned at the same side, so that the stud can be conveniently welded on the door frame guide rail products of the automobile, the production switching of different production lines can be rapidly carried out while the door frame guide rail products are rapidly clamped, and the welding efficiency is effectively improved.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
fig. 1 is a first schematic structural diagram of a positioning fixture according to an embodiment of the present invention;
FIG. 2 is a schematic view of a first electrode holder according to an embodiment of the present invention;
FIG. 3 is a first schematic view of the mechanism of the spot welder in an embodiment of the invention;
FIG. 4 is a second mechanical schematic of a spot welder in accordance with an embodiment of the present invention;
FIG. 5 is a third mechanical schematic of a spot welder in an embodiment of the present invention;
fig. 6 isbase:Sub>A schematic sectional view alongbase:Sub>A-base:Sub>A in fig. 5.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, preferred embodiments of which are illustrated in the accompanying drawings, wherein the drawings are provided for the purpose of visually supplementing the description in the specification and so forth, and which are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element 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.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The current car all has the door frame of the left and right sides on the market, consequently, can have two kinds of car door frame guide rail products of bilateral symmetry, and every kind of car door frame guide rail all need weld a double-screw bolt and be used for installing other car components and parts, the welding of current guide rail double-screw bolt all adopts fixed point welding machine to add the mode of positioning jig on the car door frame guide rail to go on, the tool is fixed on spot welder bottom electrode base, car door frame guide rail location is at positioning jig's bottom electrode department, the double-screw bolt is placed and is adsorbed by magnet in the fixed point welding machine top electrode, carry out resistance weld through pressfitting fixed point welding machine top electrode and tool bottom electrode circular telegram. In the continuous welding operation, when the left side product is produced and then the right side product is produced in a switching mode, the positioning jig on the fixed spot welding machine needs to be replaced by the die changing machine. The mold change time affects the production efficiency. Therefore, a product which is compatible with the left product and the right product is needed, a replacement jig is not needed, the production of left and right products is rapidly switched, the efficient production is ensured, the number of jigs is reduced, and the cost of the jigs is reduced.
Referring to fig. 1, the welding jig according to the first embodiment of the present invention includes a conductive mounting plate 100, and an in-position detection assembly 110, a first limiting member 120, a first electrode holder 130, a second limiting member 140, and a supporting plate 150 are sequentially disposed on the conductive mounting plate 100.
Wherein, the front side of the in-place detection component 110 is provided with a first positioning surface; the two first limiting members 120 are arranged on the left side and the right side of the in-place detection assembly 110, the two first limiting members 120 are symmetrically arranged, and the two opposite surfaces of the two first limiting members 120 are provided with second positioning surfaces which are vertically arranged and perpendicular to the first positioning surfaces; the first electrode holders 130 are provided with two first electrode holders 130 and are respectively positioned at the left side and the right side of the second limiting member 140, the two first electrode holders 130 are symmetrically arranged, the opposite sides of the two first electrode holders 130 are respectively provided with a welding supporting part 131, the welding supporting parts 131 are provided with detachable electrode blocks 160, the electrode blocks 160 are higher than the welding supporting parts 131, the combined thickness of the welding supporting parts 131 and the electrode blocks 160 is smaller than the guide groove of the automobile door frame guide rail product 200, so that the guide groove of the automobile door frame guide rail product 200 can pass through, and the electrode blocks 160 can enter the inner side of the guide groove to facilitate the welding of studs by a spot welding machine; the second limiting member 140 faces the in-place detection assembly 110, the left side and the right side of the second limiting member 140 are respectively provided with a third positioning surface, the two third positioning surfaces are vertically arranged and positioned between the two second positioning surfaces, the third positioning surfaces are parallel to the second positioning surfaces, and the welding support portion 131 is positioned between the second positioning surfaces and the third positioning surfaces; the supporting plate 150 has a horizontally disposed fourth positioning surface, wherein the first positioning surface, the fourth positioning surface, the second positioning surface located on the same side, the electrode block 160, and the third positioning surface together form a positioning groove for positioning and defining the door frame guide product 200 of the automobile.
In the specific use process, the first positioning surface, the fourth positioning surface, the second positioning surface positioned on the left side, the electrode block 160 and the third positioning surface form a positioning groove for positioning and limiting the left door frame guide rail product of the automobile together, the first positioning surface, the fourth positioning surface, the second positioning surface positioned on the right side, the electrode block 160 and the third positioning surface form a positioning groove for positioning and limiting the right door frame guide rail product of the automobile together, when the door frame guide rail product 200 of the automobile is welded, the left door frame guide rail product 200 of the automobile is placed on the left positioning groove, the right door frame guide rail product 200 of the automobile is placed on the right positioning groove, the door frame guide rail product 200 of the automobile is placed in the positioning groove, the front end of the door frame guide rail product 200 of the automobile is supported by the electrode block 160, and the door frame guide rail product 200 of the automobile is continuously pushed towards the in-position detection component 110, the automobile door frame guide rail product 200 slides on the electrode block 160, the second positioning surface and the third positioning surface limit the left side and the right side of the automobile door frame guide rail product 200 and play a role in guiding and positioning, when the automobile door frame guide rail product 200 touches the first positioning surface, namely the automobile door frame guide rail product 200 is pushed in place, at the moment, the first positioning surface limits the front end of the automobile door frame guide rail product 200, the second positioning surface and the third positioning surface limit the left side and the right side of the automobile door frame guide rail product 200, so that the front end and the left side and the right side of the automobile door frame guide rail product 200 are completely positioned, which can be understood by combining with figures 1, 3, 4 and 6 specifically, meanwhile, the front end of the automobile door frame guide rail product 200 is supported by the electrode block 160, the rear front end of the automobile door frame guide rail product 200 is supported by the fourth positioning surface, and the positioning and limiting of the automobile door frame guide rail product 200 by the positioning groove, the automobile door frame guide rail product 200 is ensured not to be displaced under the action of no external force, and a stud is conveniently welded by a spot welder. The welding jig disclosed by the invention is simple in structure, convenient to operate and high in practicability, can realize the welding production of quickly switching the left and right automobile door frame guide rail products 200 under the condition of not replacing the jig, keeps up with the quick production rhythm of an automobile production line, ensures the welding efficiency, and further can save the development cost of the jig.
Further, the in-place detection assembly 110 includes a baffle 111 and a micro switch, the baffle 111 is hinged to the conductive mounting plate 100 to enable the baffle 111 to swing forward or backward, the first positioning surface is disposed on a surface of the baffle 111 facing the second limiting member 140, and the micro switch is used for detecting a swing condition of the baffle 111, specifically, the micro switch is a standard component commonly found in the market, and the micro switch has a micro contact spacing and a snap action mechanism, and a contact mechanism for performing a switching action with a specified stroke and a specified force, and is covered by a housing, and an action reed for sensing the action is disposed outside the micro switch, because the contact spacing of the switch is relatively small, so the micro switch is named as a sensitive switch, one end of the baffle 111 is attached to the action reed of the micro switch, when the automobile door frame guide product 200 is pushed to the first positioning surface abutting against the baffle 111, the baffle 111 continues to push so that one end of the baffle 111 is pressed against the action reed of the micro switch, when the baffle 111 is pushed to the automobile door frame guide product 200, the alarm guide can be better known, and a worker can conveniently watch the automobile door frame directly.
Preferably, the welding support 131 is provided with a notch into which the electrode block 160 is inserted, and the electrode block 160 is inserted into the notch and then locked to the welding support 131 by a positioning pin. Specifically, still be equipped with on the welding support portion 131 with locating pin matched with pinhole 132, pinhole 132 intercommunication notch, electrode block 160 imbeds the notch and just is equipped with the spacing hole that supplies the locating pin male in the position of pinhole 132. Through the mode that this kind of notch and bolt are fixed, location and fixed electrode piece 160 that can be fine make things convenient for electrode piece 160 to wear and tear when serious, pull out the locating pin and can carry out electrode piece 160's change fast.
In this embodiment, as shown in fig. 1, the first electrode holder 130 and the first limiting member 120 are both connected to the conductive mounting plate 100 by bolts. The first electrode holder 130 and the first limiting member 120 both have waist-round holes capable of being matched with bolts, so that the first electrode holder 130 and the first limiting member 120 can be adjusted in the left-right direction. In addition, the second limiting member 140 includes a first limiting plate 141 and a second limiting plate 142, the first limiting plate 141 and the second limiting plate 142 are disposed side by side, the second limiting plate 142 is located between the first limiting plate 141 and the supporting plate 150, wherein one third positioning surface is located on the right side of the first limiting plate 141, the other third positioning surface is located on the left side of the second limiting plate 142, the first limiting plate 141 and the second limiting plate 142 are both connected to the conductive mounting plate 100 through bolts, and waist round holes capable of being matched with the bolts are disposed on the first limiting plate 141 and the second limiting plate 142. When the welding jig is used for welding the automobile door frame guide rail 200 of other automobile models, the left and right directions of the first electrode seat 130, the first limiting piece 120, the first limiting plate 141 and the second limiting plate 142 are adjusted through the waist circular holes, so that the positioning grooves formed by the first positioning surface, the fourth positioning surface, the second positioning surface positioned on the left side, the electrode block 160 and the third positioning surface can be adapted to the welding of the automobile door frame guide rail products 200 of different specifications and different models, the applicability is strong, the universality is high, in other embodiments, if other products are also similar to the structure of the automobile door frame guide rail product 200 and are provided with guide grooves capable of being sleeved with welding supporting parts, corresponding adjustment can be carried out, so that the welding jig can be adapted, and in addition, if the two sides of the guide grooves of the automobile door frame guide rail product 200 are required to be welded with studs, the welding jig can also be applied.
Preferably, the first electrode holder 130 is provided with a cooling channel for cooling. Specifically, as shown in fig. 2, a first channel 133 and a second channel 134 are formed in one side of the first electrode holder 130, which is away from the welding support 131, a third channel 135 is formed in one side of the first electrode holder 130, which is adjacent to the welding support 131, the first channel 133 and the second channel 134 are both communicated with the third channel 135, and a channel opening of the third channel 135 is blocked by a plug, so that a cooling channel is formed.
As shown in fig. 3 to 6, the present invention further provides a spot welding machine, which includes a frame 310, a second electrode holder 330, an electrode head 320 and the welding jig, wherein the second electrode holder 330 is fixed on the frame 310, the conductive mounting plate 100 is connected to the second electrode holder 330 through a bolt, the conductive mounting plate 100 is provided with a kidney-shaped hole capable of being matched with the bolt, the electrode head 320 is fixed on the frame 310 through a lifting mechanism, the electrode head 320 is located right above the electrode block 160, the lifting mechanism is an air cylinder, the electrode head 320 is driven to lift up and down through the air cylinder, so that the electrode head 320 can be matched with the electrode block 160, and the stud welding of the car door frame guide rail product 200 is realized, wherein the electrode head 320 is a magnetic attraction type electrode head, and a slotted hole for placing the stud is formed at the welding position of the electrode head 320.
When the automobile door frame guide rail product 200 is located and limited on the locating groove, a worker puts the stud into the magnetic suction groove hole of the electrode head 320, and the stud is adsorbed and located in the electrode head 320. After the spot welder is started for welding, if the spot welder senses that the automobile door frame guide rail product 200 is placed in place, the electrode tip 320 is pressed down under the action of the cylinder to weld the stud on the side surface of the automobile door frame guide rail product 200 in a pressing mode, the inner side of the automobile door frame guide rail product 200 is in contact with the electrode block 160 on the first electrode holder 130, the first electrode holder 130 and the conductive mounting plate 100 are communicated with the second electrode holder 330, and the spot welder discharges to perform resistance welding, so that the stud welding process of the automobile door frame guide rail product 200 can be completed.
According to the invention, the positioning limitation of the guide rail products of the left and right door frames of the automobile is realized under the condition of not replacing the jig by the positioning groove formed by the first positioning surface, the fourth positioning surface, the second positioning surface, the electrode block 160 and the third positioning surface which are positioned on the same side, the stud is conveniently welded on the guide rail product 200 of the door frame of the automobile by the electrode tip 320, the production switching of different production lines can be quickly carried out while the guide rail product 200 of the door frame of the automobile is quickly clamped, and the welding efficiency is effectively improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. The utility model provides a welding jig which characterized in that: the electrode holder comprises a conductive mounting plate (100), wherein an in-place detection assembly (110), a first limiting part (120), a first electrode holder (130), a second limiting part (140) and a supporting plate (150) are sequentially arranged on the conductive mounting plate (100), wherein the conductive mounting plate (100) is provided with the in-place detection assembly (110), the first limiting part (120), the first electrode holder (130), the second limiting part (140) and the supporting plate (150), and the electrode holder
The front side of the in-place detection assembly (110) is provided with a first positioning surface;
the two first limiting parts (120) are arranged at the left side and the right side of the in-place detection assembly (110) respectively, the two first limiting parts (120) are symmetrically arranged, one opposite side of each of the two first limiting parts (120) is provided with a second positioning surface, and the second positioning surfaces are vertically arranged and perpendicular to the first positioning surfaces;
the first electrode holders (130) are arranged in two parts and are respectively positioned on the left side and the right side of the second limiting part (140), the two first electrode holders (130) are symmetrically arranged, welding supporting parts (131) are arranged on opposite sides of the two first electrode holders (130), detachable electrode blocks (160) are arranged on the welding supporting parts (131), and the electrode blocks (160) are higher than the welding supporting parts (131);
the second limiting part (140) is over against the in-place detection assembly (110), third positioning surfaces are respectively arranged on the left side and the right side of the second limiting part (140), the two third positioning surfaces are vertically arranged and are positioned between the two second positioning surfaces, the third positioning surfaces are parallel to the second positioning surfaces, and the welding support part (131) is positioned between the second positioning surfaces and the third positioning surfaces;
the supporting plate (150) is provided with a fourth positioning surface which is horizontally arranged, wherein the first positioning surface, the fourth positioning surface, the second positioning surface, the electrode block (160) and the third positioning surface which are positioned on the same side form a positioning groove which is used for positioning and limiting an automobile door frame guide rail product (200).
2. The welding jig of claim 1, wherein: the detection subassembly (110) that targets in place includes baffle (111) and micro-gap switch, baffle (111) with electrically conductive mounting panel (100) are articulated to be connected, so that baffle (111) can carry out forward or backward swing, first locating surface is located baffle (111) orientation on the one side of second locating part (140), micro-gap switch is used for detecting the swing condition of baffle (111).
3. The welding jig of claim 1, wherein: the welding support part (131) is provided with a notch for embedding the electrode block (160), and the electrode block (160) is embedded into the notch and then locked on the welding support part (131) through a positioning pin.
4. The welding jig of claim 3, wherein: still be equipped with on welding supporting part (131) with locating pin matched with pinhole (132), pinhole (132) intercommunication the notch, electrode block (160) embedding behind the notch just right the position of pinhole (132) is equipped with the confession the spacing hole of locating pin male.
5. The welding jig of claim 1, wherein: the first electrode holder (130) and the first limiting piece (120) are connected with the conductive mounting plate (100) through bolts.
6. The welding jig of claim 5, wherein: the first electrode holder (130) and the first limiting piece (120) are provided with waist-round holes capable of being matched with bolts, so that the first electrode holder (130) and the first limiting piece (120) can be adjusted in the left-right direction.
7. The welding jig of claim 1, wherein: and a cooling channel for cooling is arranged on the first electrode holder (130).
8. The welding jig of claim 7, wherein: a first channel (133) and a second channel (134) are formed in one side, far away from the welding supporting portion (131), of the first electrode holder (130), a third channel (135) is arranged on one side, close to the welding supporting portion (131), of the first electrode holder (130), the first channel (133) and the second channel (134) are communicated with the third channel (135), and a channel opening of the third channel (135) is blocked by a plug, so that the cooling channel is formed.
9. The welding jig of claim 1, wherein: the second limiting part (140) comprises a first limiting plate (141) and a second limiting plate (142), the first limiting plate (141) and the second limiting plate (142) are arranged side by side, the second limiting plate (142) is arranged between the first limiting plate (141) and the supporting plate (150), one third positioning surface is arranged on the right side of the first limiting plate (141), the other third positioning surface is arranged on the left side of the second limiting plate (142), the first limiting plate (141) and the second limiting plate (142) are connected with the conductive mounting plate (100) through bolts, and waist round holes capable of being matched with bolts are formed in the first limiting plate (141) and the second limiting plate (142).
10. A spot welder, characterized by: including frame (310), second electrode holder (330), electrode tip (320) and any one of claims 1 to 9 the welding jig, second electrode holder (330) are fixed frame (310), electrically conductive mounting panel (100) pass through bolted connection second electrode holder (330), electrically conductive mounting panel (100) are equipped with can with bolt matched with waist circle hole, electrode tip (320) are fixed through elevating system frame (310), electrode tip (320) are located directly over electrode block (160).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210898720.9A CN115213539B (en) | 2022-07-28 | 2022-07-28 | Welding jig and spot welder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210898720.9A CN115213539B (en) | 2022-07-28 | 2022-07-28 | Welding jig and spot welder |
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| CN115213539A true CN115213539A (en) | 2022-10-21 |
| CN115213539B CN115213539B (en) | 2023-10-13 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060261044A1 (en) * | 2005-05-18 | 2006-11-23 | Franz Plasser Bahnbaumaschinen- Industriegesellschaft Mbh | Machine and method for welding rails of a track |
| CN203380491U (en) * | 2013-08-12 | 2014-01-08 | 南京威迩德汽车零部件有限公司 | Projection welding device used for automobile rear wheel cover longitudinal beam |
| CN204221181U (en) * | 2014-09-30 | 2015-03-25 | 沈阳金杯广振汽车部件有限公司 | Automobile glass lifter guide rail quick welding device |
| CN204277201U (en) * | 2014-11-27 | 2015-04-22 | 南京威迩德汽车零部件有限公司 | A kind of convex welding device for automobile assembly part |
| CN111299790A (en) * | 2020-04-07 | 2020-06-19 | 韦孚（杭州）精密机械有限公司 | Lower electrode assembly for nut welding equipment |
| CN215509531U (en) * | 2021-02-08 | 2022-01-14 | 大族激光科技产业集团股份有限公司 | Positioning mechanism |
-
2022
- 2022-07-28 CN CN202210898720.9A patent/CN115213539B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060261044A1 (en) * | 2005-05-18 | 2006-11-23 | Franz Plasser Bahnbaumaschinen- Industriegesellschaft Mbh | Machine and method for welding rails of a track |
| CN203380491U (en) * | 2013-08-12 | 2014-01-08 | 南京威迩德汽车零部件有限公司 | Projection welding device used for automobile rear wheel cover longitudinal beam |
| CN204221181U (en) * | 2014-09-30 | 2015-03-25 | 沈阳金杯广振汽车部件有限公司 | Automobile glass lifter guide rail quick welding device |
| CN204277201U (en) * | 2014-11-27 | 2015-04-22 | 南京威迩德汽车零部件有限公司 | A kind of convex welding device for automobile assembly part |
| CN111299790A (en) * | 2020-04-07 | 2020-06-19 | 韦孚（杭州）精密机械有限公司 | Lower electrode assembly for nut welding equipment |
| CN215509531U (en) * | 2021-02-08 | 2022-01-14 | 大族激光科技产业集团股份有限公司 | Positioning mechanism |
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| CN115213539B (en) | 2023-10-13 |
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