CN219211948U - Horizontal floating resistor clamping welding machine head - Google Patents

Abstract

The utility model discloses a horizontal floating resistor clamping welding machine head, which comprises: the cantilever is suspended on the external part; the first sliding frame is slidably connected with the cantilever and is used for driving the clamping seat and the movable seat which are connected with the first sliding frame to move; the clamping seat is detachably fixed on the first sliding frame and is provided with a positive electrode; the movable seat applies force through a driving component arranged on the first sliding frame so as to enable the movable seat to reciprocate relative to the clamping seat; the movable seat is provided with a negative electrode; the negative electrode of the movable seat acts on the workpiece to be welded, and continuously applies force through the driving component, and the clamping seat on the first sliding frame is linked to slide along the cantilever towards the movable seat, so that the positive electrode and the negative electrode on the clamping seat and the movable seat clamp the workpiece to be welded; the utility model provides a horizontal floating clamp welding machine head, its simple structure, simple manufacture, easy realization and with low costs solve current clamp welding machine head upper and lower clamping range limited, fixed relative centre gripping work piece be difficult to the problem of counterpoint.

Description

Horizontal floating resistor clamping welding machine head

Technical Field

The utility model relates to the field of automatic welding equipment production, in particular to a horizontal floating resistor clamping welding machine head.

Background

Nowadays, with the rise of automatic equipment, many welding equipment replaces manual production, an automatic assembly line is adopted to carry products to each station for processing, a welding part is an important link in each station, and automatic welding equipment is adopted to replace manual welding;

however, for the existing welding equipment, an up-down clamping welding mode is generally adopted, namely, a positive electrode and a negative electrode are respectively displaced along the direction vertical to a carrying table to clamp a workpiece for welding, but in the prior art, as the carrying table for placing the workpiece is displaced along a guide rail of a production line, the bottom of the carrying table cannot be provided with a part for clamping the electrode, so that products cannot be welded on the production line (namely, up-down welding cannot be realized), each time the welding station is met, the welding station needs to be manually taken down, then is processed on a clamping welding machine and then is put on the production line, and is transferred to the next process, so that the production efficiency of the products is seriously influenced, and the products are repeatedly taken and put, so that the reference of the products is misplaced, and the required processing precision cannot be achieved; moreover, for some large products or deep cavity products, the products are difficult to carry for many times and the distance for up and down displacement is insufficient, so that the products are difficult to process;

in summary, the existing welding head needs to be further improved and lifted.

Disclosure of Invention

The utility model aims to overcome the defects or problems in the background art, and provides a horizontal floating resistor clamping welding machine head which is simple in structure, simple and convenient to manufacture, easy to implement and low in cost, and solves the problems that the upper and lower clamping ranges of the traditional clamping welding machine head are limited, and fixed type opposite clamping workpieces are difficult to align.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a horizontal floating resistor pinch welder head, the pinch welder head comprising:

the cantilever is suspended on the external part;

the first sliding frame is slidably connected with the cantilever and is used for driving the clamping seat and the movable seat which are connected with the first sliding frame to move;

the clamping seat is detachably fixed on the first sliding frame and is provided with a positive electrode;

the movable seat applies force through a driving component arranged on the first sliding frame so as to enable the movable seat to reciprocate relative to the clamping seat; the movable seat is provided with a negative electrode;

the negative electrode of the movable seat acts on the workpiece to be welded, and the driving component continuously applies force to link the clamping seat on the first sliding frame to slide along the cantilever towards the movable seat, so that the positive electrode and the negative electrode on the clamping seat and the movable seat clamp the workpiece to be welded.

Further, the first sliding frame comprises a first sliding seat, a first guide rail and a mounting seat; the first sliding seat is fixed on the cantilever, and a guide chute matched with the first guide rail is formed on the first sliding seat; the first guide rail is fixed on the mounting seat; wherein the mounting seat is used for fixedly mounting the clamping seat, the movable seat is slidably mounted and the driving assembly is mounted; the mounting seat and the cantilever provided with the first sliding seat form relative sliding fit through the first guide rail.

Further, the mounting seat comprises a seat body and a cover plate which are detachably and integrally fixed, and an accommodating space is formed between the seat body and the cover plate for mounting the driving assembly; the bottom of the seat body is respectively provided with a clamping seat for screw connection and fixation and a second sliding frame for sliding of the movable seat for locking; the bottom of the seat body is also provided with a through groove for the movable seat part to penetrate into the accommodating space and be matched with the driving component; the cover plate is covered on the base body and is used for installing and locking the first guide rail.

Further, the driving assembly comprises a base, a motor, a transmission screw rod and a side pushing piece; the base is screwed on the base body, and a power supply machine and a transmission screw rod are arranged; the motor drives the transmission screw rod to do rotary motion; the side pushing piece is arranged in the seat body in a rotation-stopping way, is matched with the transmission screw rod in a threaded way, and linearly displaces along the axis of the transmission screw rod so as to drive the movable seat matched with the transmission screw rod to linearly displace at the bottom of the seat body.

Further, the driving assembly comprises a cylinder and a side pushing piece; the cylinder is arranged on the side part of the seat body, and a piston rod of the cylinder is connected with the side pushing piece; the side pushing piece is connected with the movable seat to drive the movable seat to linearly displace at the bottom of the seat body.

Further, the device also comprises a limit adjusting piece which is arranged in the accommodating space and is arranged opposite to the side pushing piece; the limiting and adjusting piece comprises a screw rod and a jacking block, wherein the screw rod is in threaded fit with the seat body, and the jacking block is arranged at one end opposite to the side pushing piece; the jacking block is used for limiting the transition displacement of the side pushing piece.

Further, the positioning buffer assembly comprises a positioning bracket and a plurality of buffer rods; the positioning bracket is fixed on the cover plate and is positioned among the plurality of buffer rods; the buffer rods are fixedly connected with the cantilevers respectively, and the clamping range between the clamping seat and the movable seat is limited to align the workpieces to be welded when the cover plate slides and displaces relative to the cantilevers.

Further, a stop assembly is included for limiting the stop of sliding displacement of the cantilever with the first carriage during welding; the stop assembly comprises an abutting piece and a push rod, wherein the abutting piece is arranged along the sliding direction perpendicular to the first sliding frame and is fixed on the side part of the first sliding frame; the ejector rod is fixed on the cantilever and moves along the direction perpendicular to the sliding direction of the first sliding frame to abut against the acting surface of the abutting piece so as to limit the sliding of the first sliding frame relative to the cantilever.

Further, the clamping seat and the movable seat are respectively provided with an electrode clamping assembly; the electrode clamping assembly comprises an electrode bearing seat and a rotary locking piece, wherein the electrode bearing seat is used for installing any one of a positive electrode and a negative electrode, and an opening groove is formed on the electrode bearing seat; each spiral locking piece comprises a screw connection part and a supporting part, the screw connection parts are respectively matched with the clamping seat and the movable seat in a threaded manner, the opening groove is sleeved, and the supporting part is used for supporting the side surface of the electrode bearing seat to form the connection.

From the above description of the present utility model, compared with the prior art, the present utility model has the following advantages:

the utility model provides a horizontal floating resistor clamping welding machine head which is simple in structure, simple and convenient to manufacture, easy to realize and low in cost, and solves the problems that the upper and lower clamping ranges of the traditional clamping welding machine head are limited, and fixed type opposite clamping workpieces are difficult to align; the novel upper and lower clamping welding modes are changed, the left and right or front and rear clamping seat and the movable seat are clamped by adopting a suspended horizontal welding mode to weld workpieces, the welding range is wide, the welding is not limited, the workpieces can be flexibly welded during assembly line station operation, and the workpieces to be welded do not need to be disassembled, so that the welding is one; secondly, the novel automatic alignment clamping is realized by adopting the floating type cooperation of the first sliding frame and the cantilever, the clamping is not influenced by the size and thickness of the product, compared with the existing fixed type clamping, the position of the automatic alignment clamping is fixed, if the workpiece is deviated, one end continuously supports against the damaged workpiece after being in place, the other end is not in place, the product positioning needs to be very accurate, the application range is small, the debugging time before welding is long, and the welding precision is poor; the utility model discloses a floating (i.e. movable first balladeur train) supports earlier in waiting to weld the work piece at the movable seat after, and whole first balladeur train can slide thereupon when continuing the application of force for the grip slipper is close to the work piece of waiting to weld automatically, carries out pressurized welding again after waiting to weld the work piece to the centre gripping in counterpoint of two, and whole mechanism flexibility is good, be difficult for the collision work piece, combines horizontal centre gripping, breaks the confinement of traditional welding aircraft nose, realizes a new centre gripping mode and satisfies automated production.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required to be used in the description of the embodiments below are briefly introduced, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a three-dimensional exploded view of a horizontal floating resistance pinch welder head according to the present utility model;

FIG. 2 is a schematic perspective view of a horizontal floating resistance pinch welder head according to the present utility model;

fig. 3 is a cross-sectional view of a horizontal floating resistance pinch welder head according to the present utility model.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It is to be understood that the described embodiments are preferred embodiments of the utility model and should not be taken as excluding other embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without creative efforts, are within the protection scope of the present utility model.

In the claims, specification and drawings hereof, unless explicitly defined otherwise, the terms "first," "second," or "third," etc., are used for distinguishing between different objects and not for describing a particular sequential order.

In the claims, specification and drawings hereof, unless explicitly defined otherwise, references to orientation terms such as "center", "transverse", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counter-clockwise", etc., are based on the orientation and positional relationship shown in the drawings and are for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have or be constructed and operated in a particular orientation, nor should it be construed as limiting the particular scope of protection of the utility model.

In the claims, specification and drawings of the present utility model, unless explicitly defined otherwise, the term "fixedly connected" or "fixedly connected" should be construed broadly, i.e. any connection between them without a displacement relationship or a relative rotation relationship, that is to say includes non-detachably fixedly connected, integrally connected and fixedly connected by other means or elements.

In the claims, specification and drawings of the present utility model, the terms "comprising," having, "and variations thereof as used herein, are intended to be" including but not limited to.

Referring to fig. 1-3, the horizontal floating resistance clamp welding machine head is configured above a bearing table for automatic running operation, and is driven by external equipment to move downwards to perform left-right or front-back clamping type welding processing on a workpiece on the bearing table;

the horizontal floating clamp welding machine head comprises:

a cantilever 1 which is suspended on the external component; the external part such as a lifting mechanism is used for driving the whole welding machine head to lift and displace and the like; the cantilever 1 is used for bridging with an external part to drive the welding head to move towards or away from a workpiece to be welded;

a first carriage 2 slidably attached to the cantilever 1 for driving displacement of a holder 3 and a movable seat 4 connected thereto;

it should be noted that the first carriage 2 of the present utility model includes a first slide 21, a first guide rail 22, and a mounting seat 23;

the first sliding seat 21 is fixed on the cantilever 1, and forms a sliding guide groove 210 matched with the first guide rail 22;

the first guide rail 22 is fixed on the mounting seat 23;

wherein; the mounting seat 23 is used for fixedly mounting the clamping seat 3, the movable seat 4 is slidably mounted and the driving component 5 is mounted; the mounting seat 23 is in a relatively sliding fit with the cantilever 1 provided with the first slide 21 via the first guide rail 22.

A clamping seat 3 detachably fixed on the first carriage 2 for the positive electrode A to be installed;

the movable seat 4 applies force through a driving component 5 arranged on the first sliding frame 2 so as to enable the movable seat 4 to reciprocate relative to the clamping seat 3; the movable seat 4 is provided with a negative electrode B;

it should be noted that, in the present utility model, two driving assemblies 5 are taken as an example, one of which adopts a motor to cooperate with a screw rod to realize transmission displacement, and the other uses an air cylinder to push movement;

first kind: the driving assembly 5 comprises a base 51, a motor 52, a transmission screw 53 and a side pushing piece 54; the base 51 is screwed on the base body, and a motor 52 and a transmission screw 53 are arranged; the motor 52 is matched with the transmission screw 53 to drive the transmission screw 53 to perform rotary motion; the side pushing piece 54 is installed in the seat body in a rotation-stopping manner, is matched with the transmission screw 53, and linearly displaces along the axis of the transmission screw 53 so as to drive the movable seat 4 matched with the transmission screw 53 to linearly displace at the bottom of the seat body 231.

Second kind: the driving assembly 5 is a cylinder (not shown) and a side pushing piece 54; the cylinder is arranged on the side part of the seat body 231, and the piston rod of the cylinder is connected with the side pushing piece 54; the side pushing member 54 is attached to the movable seat 4 to drive the movable seat 4 to linearly displace at the bottom of the seat 231.

The negative electrode B of the movable seat 4 is abutted against the workpiece to be welded, and the driving component 5 is used for continuously applying force, so that the clamping seat 3 is linked to slide along the cantilever 1, and the workpiece to be welded is clamped by the clamping seat 3 and the positive electrode A, B and the negative electrode A, B on the movable seat 4.

More specifically, the mounting base 23 includes a base 231 and a cover 232 that are detachably and integrally fixed, and an accommodating space C is formed between the base 231 and the cover 232 for the driving assembly 5 to be installed; the bottom of the seat 231 is respectively provided with a second sliding frame lock for the clamping seat 3 to be screwed and fixed and the movable seat 4 to slide; the bottom of the seat body 231 is also provided with a through groove 231C for the movable seat 4 to partially penetrate into the accommodating space C and be matched with the driving assembly 5; the cover 232 is disposed on the base 231 and is used for mounting and locking the first rail 22.

More specifically, in order to prevent the driving assembly 5 from pushing the movable seat 4 to transition to displace and crash the workpiece to be welded, the present utility model further provides a limiting and adjusting member 6, which is installed in the accommodating space C and is disposed opposite to the side pushing member 54; the limiting and adjusting piece 6 comprises a screw 61 and a jacking block 62, wherein the screw 61 is in threaded fit with the seat 231, and the jacking block 62 is arranged at one end opposite to the side pushing piece 54; the propping block 62 is used for limiting the transitional displacement of the side pushing piece 54, namely, after the side pushing piece 54 is displaced to the set position, the side pushing piece is propped by the propping block 62 and cannot continue to be displaced;

more specifically, since the first carriage 2 and the cantilever 1 are freely slidable, in order to prevent the first carriage 2 from being easily displaced by an external force to cause the first carriage 2 to deviate from the position of the workpiece to be welded, the clamping range of the clamping seat 3 and the movable seat 4 cannot be made to correspond to the position of the workpiece to be welded, and in order to prevent this, the positioning buffer assembly 7 is provided and includes a positioning bracket 71 and a plurality of buffer rods 72; the positioning bracket 71 is fixed on the cover 232 and is located between the plurality of buffer rods 72; the buffer rods 72 are fixedly connected with the cantilever 1 respectively, and limit the clamping range between the clamping seat 3 and the movable seat 4 to align the workpieces to be welded when the cover plate 232 slides and moves relative to the cantilever 1.

In addition, in order to prevent the welding precision from being reduced due to the slight deviation of the first carriage 2 during the welding process, a stopping assembly is also provided for limiting the stop sliding displacement of the cantilever 1 and the first carriage 2 during the welding process; the stopping assembly 8 comprises an abutting piece 81 and a push rod 82, wherein the abutting piece 81 is arranged along the sliding direction perpendicular to the first sliding frame 2 and is fixed on the side part of the first sliding frame 2; the ejector rod 82 is fixed to the cantilever 1 and moves in a direction perpendicular to the sliding direction of the first carriage 2 to abut against the abutment surface of the abutment member 81 to limit the sliding movement of the first carriage 2 relative to the cantilever 1.

In order to improve the efficiency and the accuracy of electrode replacement, the novel electrode clamping assembly 9 is respectively arranged on the clamping seat 3 and the movable seat 4; the electrode clamping assembly 9 comprises an electrode bearing seat 91 and a rotary locking piece 92, wherein the electrode bearing seat 91 is provided with any one of a positive electrode A, B and a negative electrode A, B, and an open slot 911 is formed on the electrode bearing seat; each of the twist-lock members 92 includes a screw portion 921 and a holding portion 922, wherein the screw portion 921 is respectively in threaded engagement with the holder 3 and the movable holder 4, and is sleeved by the open slot 911, and the holding portion 922 is abutted against the side surface of the electrode carrier 91 to form an attachment.

The embodiment of the utility model provides a horizontal floating resistor presss from both sides welding machine head, it mainly includes following parts: cantilever 1, first carriage 2, first slide 21, first guide rail 22, mount base 23, base 231, cover 232, accommodation space C, holder 3, movable base 4, base 51, motor 52, screw rod, transmission screw rod 53, side pushing piece 54, screw rod 61, holding block 62, positioning bracket 71, plural buffer rods 72, holding piece 81, ejector rod 82, electrode bearing base 91, and spin lock 92;

the actual installation and use are as follows:

(1) At least two first sliding seats 21 are arranged on the cantilever 1, and a guide chute 210 is arranged on the first sliding seats 21 before the cantilever 1 is arranged;

(2) The first guide rail 22 is fixed on the cover plate 232 of the seat 231 of the mounting seat 23 through screws so that the cover plate 232 can slide freely relative to the cantilever 1;

(3) Preparing a base 231, enclosing a U-shaped base 231 (the side plate 231A and the bottom plate 231B can be integrally formed or spliced and fixed) by a side plate 231A and a bottom plate 231B, and screwing the base 231 and a cover plate 232 to form an accommodating space C, wherein the accommodating space C is provided for the limit adjusting piece 6 and the side pushing piece 54 to be arranged therein, and a through groove 231C is formed in the base 231B of the base 231 for the movable base 4 to pass through;

(4) The driving component 5 is installed, the novel structure is exemplified by matching the motor 52 with the screw rod 53, the base 51 is installed on the side part of the seat 231, then a bearing for the screw rod 53 to rotate is installed in the base 51, the screw rod 53 is installed behind the bearing, a rotating wheel is sleeved at one end of the screw rod 53, the driving component is connected with the motor 52 on the base 51 in a conveying belt mode (which is not described in detail in the prior art), the side pushing piece 54 is matched with the screw rod 53 through a screw sleeve, and the side pushing piece 54 is in rotation-stopping fit with the U-shaped seat 231, so that when the screw rod 53 rotates, the side pushing piece 54 translates along the axis of the screw rod 53; a clamping groove 541 is formed on the side pushing member 54, and the clamping groove 541 is in clamping fit with the movable seat 4 passing through the through groove 231C so as to push the movable seat 4 to displace synchronously;

(4) A second sliding frame 233 is installed, a second sliding rail 2331 is installed on the lower surface of the bottom plate 231B, and a second sliding seat 2332 matched with the second sliding rail 2331 is installed on the movable seat 4, so that the movable seat 4 can slide and displace along the seat body 231;

(5) A limit adjuster 6 is installed, the limit adjuster 6 comprises a screw 61 and a supporting block 62, the position of the supporting block 62 arranged on the screw 61 is adjusted by screwing on the screw 61 and the side part of the seat 231, the position refers to the position for limiting the displacement of the side pushing piece 54; the holding block 62 is disposed facing the side pushing piece 54;

(6) A mounting holder 3 including a first bracket 31, a first conductive member 32 and other auxiliary fittings (prior art), the first bracket 31 being fixed to the bottom plate 231B of the base 231 and being used for mounting an electrode carrier 91, the first conductive member 32 being electrically connected to the electrode carrier 91;

(7) The movable seat 4 is installed, the movable seat 4 comprises a bracket 41, a spring 42, a pressure propping piece 43 and a second conductive piece 44, the bracket 41 is connected with a second sliding seat 2332, and the spring 42, the pressure propping piece 43 and the conductive piece are installed; the spring 42 and the pressure propping piece 43 respectively act on the part which clamps the electrode bearing seat 91 and are respectively used for setting the welding pressure and the welding penetration; the second conductive member 44 is electrically connected to the electrode bearing seat 91;

(8) After the positive electrode A, B and the negative electrode A, B are respectively arranged on the electrode bearing seat 91, the positive electrode A, B and the negative electrode A, B are arranged on the clamping seat 3 and the movable seat 4 through the rotary locking piece 92; the electrode holders 91 have open grooves 911, which are provided with handles of the screw locking members 92 after the screw connection portions 921 are installed, so that the holding portions 922 act on the electrode holders 91 and are locked;

(9) The positioning buffer assembly 7 is arranged, the positioning bracket 71 is fixed on the cover plate 232, then the two buffer rods 72 are fixedly connected with the cantilever 1 respectively, and the positioning bracket 71 is positioned between the two buffer rods 72, so that the cover plate 232 is limited to align the clamping range between the clamping seat 3 and the movable seat 4 in a sliding displacement manner relative to the cantilever 1.

(10) The stop component 8 is installed, the ejector rod 82 is arranged at the side part of the cantilever 1, the novel ejector rod 82 is an air cylinder, the air cylinder seat is fixed on the cantilever 1, and the piston rod is retractably oriented to the direction vertical to the movement of the first sliding frame 2; and an abutting piece 81 is arranged in the direction corresponding to the piston rod, and the abutting piece 81 is fixed on the cover plate 232; after the piston rod corresponds to the application surface of the abutment 81, the first carriage 2 and the cantilever 1 stop moving relatively

The whole installation process is completed in the mode;

when in use, the utility model is characterized in that:

(1) The whole welding machine head is driven to move downwards to the position of the workpiece to be welded by external equipment, so that the workpiece to be welded is positioned in the clamping range between the clamping seat 3 and the movable seat 4;

(2) The motor 52 rotates to drive the screw rod 53 to rotate in a driving belt mode, and the upper pushing piece 54 translates and drives the bracket 41 of the movable seat 4 to displace with the second sliding frame 233 until the negative electrode B of the movable seat 4 abuts against a workpiece to be welded;

(3) The movable seat 4 is blocked by the workpiece to be welded, and the whole seat body 231 is in sliding fit with the first sliding seat 21 through the first guide rail 22, so that one end of the clamping seat 3 is driven to move towards the direction of the workpiece to be welded until the positive electrode A on the clamping seat 3 is also propped against the other side of the workpiece to be welded;

(4) After the movable seat 4 and the clamping seat 3 clamp the workpiece to be welded, the bracket 41 is continuously pushed to displace by applying force, at the moment, in the clamped state, the spring 42 on the movable seat 4 is compressed, the compression range or distance is set according to human factors, such as 3-5mm, and the clamping in place can be judged according to the distance to carry out electrifying (the utility model can judge the electrifying standard according to the distance, and other modes can be adopted, such as sensing the position by various sensors such as light sense, infrared and distance); at the same time, the ejector rod 82 acts on the acting surface of the abutting piece 81, and the cantilever 1 and the seat 231 are in a non-slidable state at this time;

(5) Electrifying and welding, and ensuring the penetration of welding under the action of the pressure propping piece 43 so as to ensure the welding quality;

(6) When electrode replacement is desired, the twistlock 92 is operated to rotate to effect quick electrode replacement.

The utility model provides a horizontal floating resistor clamping welding machine head which is simple in structure, simple and convenient to manufacture, easy to realize and low in cost, and solves the problems that the upper and lower clamping ranges of the traditional clamping welding machine head are limited, and fixed type opposite clamping workpieces are difficult to align; the novel upper and lower clamping welding modes are changed, the left and right or front and rear clamping seat and the movable seat are clamped by adopting a suspended horizontal welding mode to weld workpieces, the welding range is wide, the welding is not limited, the workpieces can be flexibly welded during assembly line station operation, and the workpieces to be welded do not need to be disassembled, so that the welding is one; secondly, the novel automatic alignment clamping is realized by adopting the floating type cooperation of the first sliding frame and the cantilever, the clamping is not influenced by the size and thickness of the product, compared with the existing fixed type clamping, the position of the automatic alignment clamping is fixed, if the workpiece is deviated, one end continuously supports against the damaged workpiece after being in place, the other end is not in place, the product positioning needs to be very accurate, the application range is small, the debugging time before welding is long, and the welding precision is poor; the utility model discloses a floating (i.e. movable first balladeur train) supports earlier in waiting to weld the work piece at the movable seat after, and whole first balladeur train can slide thereupon when continuing the application of force for the grip slipper is close to the work piece of waiting to weld automatically, carries out pressurized welding again after waiting to weld the work piece to the centre gripping in counterpoint of two, and whole mechanism flexibility is good, be difficult for the collision work piece, combines horizontal centre gripping, breaks the confinement of traditional welding aircraft nose, realizes a new centre gripping mode and satisfies automated production.

The foregoing description of the embodiments and description is presented to illustrate the scope of the utility model, but is not to be construed as limiting the scope of the utility model.

Claims (9)

1. A horizontal floating resistor pinch welder head is characterized in that: the welding machine head comprises:

the cantilever is suspended on the external part;

the first sliding frame is slidably connected with the cantilever and is used for driving the clamping seat and the movable seat which are connected with the first sliding frame to move;

the clamping seat is detachably fixed on the first sliding frame and is provided with a positive electrode;

the movable seat applies force through a driving component arranged on the first sliding frame so as to enable the movable seat to reciprocate relative to the clamping seat; the movable seat is provided with a negative electrode;

the negative electrode of the movable seat acts on the workpiece to be welded, and the driving component continuously applies force to link the clamping seat on the first sliding frame to slide along the cantilever towards the movable seat, so that the positive electrode and the negative electrode on the clamping seat and the movable seat clamp the workpiece to be welded.

2. A horizontal floating resistance pinch welder head as defined in claim 1, wherein: the first sliding frame comprises a first sliding seat, a first guide rail and a mounting seat; the first sliding seat is fixed on the cantilever, and a guide chute matched with the first guide rail is formed on the first sliding seat; the first guide rail is fixed on the mounting seat; wherein the mounting seat is used for fixedly mounting the clamping seat, the movable seat is slidably mounted and the driving assembly is mounted; the mounting seat and the cantilever provided with the first sliding seat form relative sliding fit through the first guide rail.

3. A horizontal floating resistance pinch welder head as defined in claim 2, wherein: the mounting seat comprises a seat body and a cover plate which are detachably and integrally fixed, and an accommodating space is formed between the seat body and the cover plate for mounting the driving assembly; the bottom of the seat body is respectively provided with a clamping seat for screw connection and fixation and a second sliding frame for sliding of the movable seat for locking; the bottom of the seat body is also provided with a through groove for the movable seat part to penetrate into the accommodating space and be matched with the driving component; the cover plate is covered on the base body and is used for installing and locking the first guide rail.

4. A horizontal floating resistance pinch welder head as defined in claim 3, wherein: the driving assembly comprises a base, a motor, a transmission screw rod and a side pushing piece; the base is screwed on the base body, and a power supply machine and a transmission screw rod are arranged; the motor drives the transmission screw rod to do rotary motion; the side pushing piece is arranged in the seat body in a rotation-stopping way, is matched with the transmission screw rod in a threaded way, and linearly displaces along the axis of the transmission screw rod so as to drive the movable seat matched with the transmission screw rod to linearly displace at the bottom of the seat body.

5. A horizontal floating resistance pinch welder head as defined in claim 3, wherein: the driving assembly comprises a cylinder and a side pushing piece; the cylinder is arranged on the side part of the seat body, and a piston rod of the cylinder is connected with the side pushing piece; the side pushing piece is connected with the movable seat to drive the movable seat to linearly displace at the bottom of the seat body.

6. A horizontal floating resistor pinch welder head as defined in claim 4 or 5, wherein: the limiting and adjusting piece is arranged in the accommodating space and is arranged opposite to the side pushing piece; the limiting and adjusting piece comprises a screw rod and a jacking block, wherein the screw rod is in threaded fit with the seat body, and the jacking block is arranged at one end opposite to the side pushing piece; the jacking block is used for limiting the transition displacement of the side pushing piece.

7. A horizontal floating resistance pinch welder head as defined in claim 3, 4 or 5 wherein: the positioning buffer assembly comprises a positioning bracket and a plurality of buffer rods; the positioning bracket is fixed on the cover plate and is positioned among the plurality of buffer rods; the buffer rods are fixedly connected with the cantilevers respectively, and the clamping range between the clamping seat and the movable seat is limited to align the workpieces to be welded when the cover plate slides and displaces relative to the cantilevers.

8. A horizontal floating resistance pinch welder head as defined in any one of claims 1 to 5 wherein: a stop assembly for limiting the stop of sliding displacement of the cantilever and the first carriage during welding; the stop assembly comprises an abutting piece and a push rod, wherein the abutting piece is arranged along the sliding direction perpendicular to the first sliding frame and is fixed on the side part of the first sliding frame; the ejector rod is fixed on the cantilever and moves along the direction perpendicular to the sliding direction of the first sliding frame to abut against the acting surface of the abutting piece so as to limit the sliding of the first sliding frame relative to the cantilever.

9. A horizontal floating resistance pinch welder head as defined in claim 1, wherein: the clamping seat and the movable seat are respectively provided with an electrode clamping assembly; the electrode clamping assembly comprises an electrode bearing seat and a rotary locking piece, wherein the electrode bearing seat is used for installing any one of a positive electrode and a negative electrode, and an opening groove is formed on the electrode bearing seat; each spiral locking piece comprises a screw connection part and a supporting part, the screw connection parts are respectively matched with the clamping seat and the movable seat in a threaded manner, the opening groove is sleeved, and the supporting part is used for supporting the side surface of the electrode bearing seat to form the connection.

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