CN214134572U

CN214134572U - Welding equipment and welding system

Info

Publication number: CN214134572U
Application number: CN202021575156.XU
Authority: CN
Inventors: 尚磊; 陈晓; 朱鹏飞; 王金鹏; 王文凤; 戴海波
Original assignee: Shanghai Kindly Medical Instruments Co ltd
Current assignee: Shanghai Yingtai Medical Equipment Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-09-07
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a welding equipment and welding system, welding equipment include frame, transfer device and welder. The welding system comprises the welding equipment and the clamp, and the welding equipment is characterized in that the welding gun is arranged on the transfer device, when the position of the welding gun needs to be changed along the vertical direction, the position of the welding gun can be adjusted in the vertical direction only by the action of the transfer device and the reciprocating linear sliding of the welding gun along the vertical direction, and the welding gun cannot deviate from the vertical direction, so that the accuracy of the adjusting position of the welding gun is ensured, and the accuracy of the welding gun for welding a to-be-welded object is finally improved.

Description

Welding equipment and welding system

Technical Field

The utility model belongs to the technical field of the welded, concretely relates to welding equipment and welding system.

Background

In the prior art, when welding the end of the outer tube sleeved outside the metal wire and the end of the metal wire, an operator is usually required to hold a welding gun to weld the ends to be welded of the outer tube and the metal wire. In the welding process, it is inevitably necessary to vertically adjust the position of the welding gun to more accurately weld the outer tube and the end to be welded of the wire. At present, when the position of a welding gun is adjusted, the welding gun is still moved vertically in a manual mode, but the welding gun is moved in the manual mode, the welding gun inevitably deviates from the vertical movement when being moved, the welding gun cannot be ensured to be kept moving vertically, the adjustment position of the welding gun has deviation, the welding quality of the welding gun on an outer pipe and a metal wire can be influenced, and the welding accuracy is reduced.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that current welding equipment lies in welding process, through the position of manual mode along vertical adjustment welder, the position of welder adjustment back is skew vertical direction easily, leads to the defect that welding precision is low.

To this end, the utility model provides a welding equipment, include

A frame;

the transfer device is at least provided with a lifting mechanism which does lifting motion along the vertical direction, and the lifting mechanism is arranged on the rack;

and the welding gun is fixedly arranged on the lifting mechanism and is driven by the movement of the lifting mechanism to do reciprocating linear movement along the vertical direction.

Optionally, in the welding apparatus described above, the transfer device further includes a first sliding mechanism disposed on the lifting mechanism, and the lifting mechanism is disposed on the rack through the first sliding mechanism; the lifting mechanism is driven by the sliding of the first sliding mechanism to slide on the horizontal plane along a first direction.

Optionally, in the welding apparatus described above, the first sliding mechanism includes at least one first guide extending along a first direction and a first sliding member, and the first sliding member is slidably disposed on all the first guides; and

the first driver is connected with the first sliding piece and used for driving the first sliding piece to slide on the first guide piece; the lifting mechanism is fixed on the first sliding piece.

Optionally, in the welding apparatus described above, the first guide is a guide rail, the first driver is connected to the first sliding part, and the first sliding part is slidably disposed on the guide rail; or

The first guide piece is a first screw rod, the first driver is connected with the first screw rod, and one side surface of the first sliding piece facing the screw rod is in threaded fit with the first screw rod through a screw rod nut.

Optionally, in the welding apparatus described above, the number of the first guiding members is at least two, at least one of the first guiding members is a guide rail, and at least one of the first guiding members is a screw rod; the first sliding part is arranged on the guide rail and the screw rod in a sliding mode.

Optionally, in the welding apparatus described above, the welding apparatus further includes a first support vertically perpendicular to the first sliding member and disposed on the first sliding member, and the lifting mechanism is fixed to the first support, so that at least the welding end of the welding gun extends out of the first sliding member.

Optionally, in the welding apparatus described above, the transfer device further includes a second sliding mechanism provided on the first sliding member, and the second sliding mechanism slides in a second direction perpendicular to the first direction; the image collector is arranged on the second sliding mechanism and is positioned above the welding gun; and a display electrically connected with the image collector;

the image collector is driven by the sliding of the second sliding mechanism and the first sliding mechanism to move so as to collect the image of the welding end of the welding gun.

Optionally, in the welding apparatus described above, the first sliding member is provided with a support;

the second sliding mechanism comprises a second guide piece which is fixed on the support and extends along a second direction; the second sliding part is slidably arranged on the second guide part; the image collector is fixed on the second sliding piece; the display is arranged on the support.

Optionally, in the welding apparatus described above, the second guide is a second screw, and the second sliding member is screwed on the second screw.

The utility model provides a welding system, include

The welding apparatus of any of the above;

the welding gun is driven by the movement of the transfer mechanism, so that the welding end of the welding gun can extend into the first clamping cavity.

Optionally, in the welding system, the clamp comprises

A base having a pre-clamping cavity located below the first clamping cavity;

at least one clamping assembly; any clamping assembly comprises a limiting part fixedly arranged on the base and a third sliding part arranged opposite to the limiting part, the third sliding part can slide towards or away from the limiting part under the driving of a driving force, and a first clamping cavity communicated with the pre-clamping cavity is formed between the third sliding part and the limiting part when the third sliding part is close to the limiting part;

and an opening at one end of the first clamping cavity, which is back to the pre-clamping cavity, is positioned below the welding gun.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a welding device, which comprises a frame, a transfer mechanism and a welding gun, wherein the transfer device is at least provided with a lifting mechanism which vertically moves up and down, and the lifting mechanism is arranged on the frame; the welding gun is fixedly arranged on the lifting mechanism and is driven by the movement of the lifting mechanism to do reciprocating linear movement along the vertical direction.

According to the welding equipment with the structure, as the welding gun is arranged on the lifting mechanism, when the position of the welding gun is required to be changed along the vertical direction, only the lifting mechanism is required to move to do lifting motion along the vertical direction, the welding gun can be driven to do reciprocating linear sliding along the vertical direction, the welding gun can be adjusted at the vertical position and cannot deviate from the vertical movement, so that the accuracy of the adjusting position of the welding gun is ensured, and the accuracy of the welding gun for the welding of a welding object is finally improved.

2. The utility model provides a welding equipment, the transfer device still includes the second slide mechanism that is established on the first slider, the second slide mechanism slides along the second direction perpendicular to first direction; the image collector is arranged on the second sliding mechanism and is positioned above the welding gun; and a display electrically connected with the image collector; the image collector) is driven by the sliding of the second sliding mechanism and the first sliding mechanism to move so as to be used for collecting the image of the welding end of the welding gun.

The welding equipment with the structure is driven by the sliding of the second sliding mechanism and the second sliding mechanism to change the position of the image collector, so that the image collector can collect images of the welding condition of the welding end of the welding gun on line and display the images on the display, the welding quality can be observed on line at any time, and the welding precision is further improved.

3. The utility model provides a welding system, including the welding equipment and the anchor clamps of above-mentioned arbitrary, anchor clamps have vertical extension's first centre gripping chamber at least, first centre gripping chamber is used for the centre gripping to treat the weldment, welder receives the drive of the motion of transfer mechanism and make welder's welding end can stretch into in the first centre gripping intracavity.

The welding system of this structure owing to including foretell welding equipment, makes this welding system in welding process, can adjust the position of welder in vertical more accurately, and then makes welder's welding end stretch into first centre gripping intracavity, treats the welding object more accurately and welds, improves the welded accuracy.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a welding system provided in embodiment 2 of the present invention;

FIG. 2 is an enlarged view of a portion of the welding apparatus of the welding system of FIG. 1;

FIG. 3 is a side view of the welding system of FIG. 1;

FIG. 4 is a schematic view of the clamp and drive mechanism of the welding system of FIG. 1;

fig. 5 is a schematic view illustrating the engagement between the limiting member and the third sliding member of the clamping apparatus of fig. 4.

Description of reference numerals:

1-a frame;

21-a guide rail; 22-a first slide;

31-a first scaffold; 321-a second bracket; 322-a third support;

41-a second guide; 42-a second slide;

51-an image collector; 52-a display;

6-clamping; 61-a base; 611-a first mount; 612-a second mount; 613-pre-clamping cavity; 62-a stop; 63-a third slide; 64-a first clamping cavity; 65-a fixed seat; 651-rolling member; 66-a drive plate; 67-positioning reference position; 7-a welding gun; 8-wire.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a welding apparatus, as shown in fig. 1 to 5, which includes a frame 1, a transfer mechanism, and a welding gun 7.

The transfer mechanism comprises a lifting mechanism, a first sliding mechanism and a second sliding mechanism, wherein the lifting mechanism and the second sliding mechanism are both arranged on the first sliding mechanism, and the first sliding mechanism is arranged on the rack; the welding gun is fixed on the lifting mechanism and is driven by the lifting mechanism to vertically perform reciprocating linear sliding.

For the lifting mechanism, for example, the lifting mechanism may be a lifting cylinder, and the welding gun is fixed on a vertical telescopic shaft of the lifting cylinder; or the lifting mechanism is a screw rod structure, the rotary motor drives the screw rod to rotate, and the welding gun is fixed on a screw rod nut in threaded fit with the screw rod, or other lifting mechanisms are all available. Thereby, the lifting motion of the lifting mechanism drives the welding gun 7 to do reciprocating linear sliding in the vertical direction, and further, the position of the welding gun 7 is accurately adjusted.

The first sliding mechanism is arranged on the rack 1 in a sliding manner along a first direction on a horizontal plane; in fig. 1, the first direction is the X-axis direction. As shown in fig. 1, 2 and 3, the first sliding mechanism includes at least one first guide, a first sliding member 22 and a first driver; wherein the first guide members extend in a first direction, and the first sliding member 22 is slidably disposed on all the first guide members; the first driver is connected with the first sliding part 22 and used for driving the first sliding part 22 to slide on the first guide part; the lifting mechanism is fixed to the first slider 22.

For example, the number of the first guide members is two, wherein one of the first guide members is the guide rail 21, and the other of the first guide members is the first lead screw, optionally, the first sliding member 22 is a sliding plate, and the bottom of the sliding plate is slidably disposed on the guide rail 21; meanwhile, the first slider 22 is screw-fitted on the first lead screw through a lead screw nut on the bottom surface facing the lead screw, thereby forming a lead screw structure.

Correspondingly, the first driver is a rotating motor, the rotating motor is connected with the first lead screw, the rotating motor rotates to drive the first lead screw to rotate, the lead screw nut drives the first sliding part 22 to slide on the guide rail 21, and at the moment, the guide rail 21 plays a role in guiding and supporting the first sliding part 22 for the sliding of the first sliding part 22. Preferably, the number of the guide rails is two, the number of the first lead screw is one, and the two guide rails are distributed on two sides of the first lead screw, so that the sliding of the first sliding member is guided by the two guide rails.

Or, the first driver is an air cylinder, a telescopic shaft of the air cylinder is fixedly connected with the sliding plate, when the air cylinder drives the sliding plate to do telescopic motion along the first direction, the sliding plate synchronously makes reciprocating linear motion along the first direction on the guide rail 21 and the first lead screw, and then the position of the welding gun driven by the lifting mechanism in the X-axis direction is adjusted.

Of course, the number of the first drivers may be two, one is a rotary motor, and the other is an air cylinder, wherein the air cylinder is connected with the first sliding member 22, and the rotary motor is connected with the first screw rod, so that the two first drivers drive the first sliding member 22 to slide linearly and reciprocally along the first direction seat.

Preferably, in this embodiment, a controller is further provided, which is electrically connected to the cylinder and the rotating electrical machine, and controls the expansion and contraction speed of the cylinder and the rotation speed of the rotating electrical machine so that the cylinder and the rotating electrical machine can synchronously slide linearly by driving the first sliding member 22.

As shown in fig. 2, a first support 31 is vertically provided on the first slider 22, and the lifting mechanism is fixed to the first support 31 so that the entire welding gun 7 extends out of the first slider 22. For example, in fig. 2, the top of the welding gun is connected to a lifting mechanism (not shown in the figure) through a fixing frame, and the lifting mechanism is fixed to the top of the first support, so that the welding gun 7 is suspended outside the first sliding mechanism, and it is convenient to weld the object to be welded outside the first sliding mechanism, for example, the object to be welded is the end of an outer tube sleeved outside the metal wire and the end of the metal wire 8.

As shown in fig. 2, the transfer mechanism further includes a second slide mechanism provided on the first slide 22; and an image collector 51 provided on the second sliding mechanism; the image collector 51 is positioned above the welding gun 7; the image collector 51 is slid by the second sliding mechanism to reciprocate along a second direction perpendicular to the first direction, and the position of the image collector 51 is adjusted to collect a video or take a picture of the welding end of the welding gun 7. In fig. 2, the second direction is a horizontal Y-axis direction, and the welding torch 7 linearly slides back and forth in the X-axis direction; the image collector 51 is driven by the sliding of the first sliding mechanism and the second sliding mechanism to slide linearly in a reciprocating manner in the directions of the X axis and the Y axis so as to adjust the position of the image collector, thereby facilitating the on-line collection of the welding condition of the welding end of the welding gun.

Meanwhile, as shown in fig. 2, a display 52 is arranged on the sliding plate, the display 52 is electrically connected with the image collector 51, the display 52 is at least used for displaying videos or pictures collected by the image collector 51, and the second sliding mechanism and the first sliding mechanism are arranged to adjust the position of the image collector 51, so that the image collector 51 can collect the welding condition of the welding end of the welding gun 7 on line and display the collected welding condition on the display 52, thereby facilitating the observation of the welding process of the welding end on the outer tube and the metal wire on line, further adjusting the position of the welding gun 7 on line according to the welding requirement, and improving the welding accuracy of the welding gun 7.

Optionally, the image collector 51 is a camera or a video recorder, or an existing electronic device capable of capturing a video or an image, such as a mobile phone, a tablet computer, a notebook, or a camera, and the position of the welding gun is adjusted online by collecting a picture of the welding condition of the welding end online.

The second sliding mechanism comprises a support vertically arranged on the first sliding part 22; a second guide 41 fixed to the holder and extending in a second direction; and a second slider 42 slidably provided on the second guide 41; the image collector 51 is fixed to the second slider 42.

As shown in fig. 2, the support includes a second bracket 321 and a third bracket 322 vertically fixed to the first slider 22, and a cross bracket connecting top portions of the second bracket 321 and the third bracket 322; the display 52 is fixed to one side surface of the second support 321 while avoiding the lateral support. For example, on the front side wall of the second bracket 321 in fig. 2.

The second guide piece is a second screw rod, two ends of the second screw rod are respectively and rotatably arranged on the transverse bracket, and the second driver drives the screw rod to rotate; the second sliding member 42 is screw-fitted on the screw rod, so that in the form of a screw rod structure, when the second driver rotates, the second sliding member 42 drives the image collector 51 thereon to slide in the second direction.

Optionally, the second sliding member 42 is a sliding block, and the sliding block is in transitional connection with the image collector 51 through a connecting block, so that the image collector 51 is suspended above the welding gun 7, and the welding end of the welding gun 7 can be conveniently photographed.

As a modification, the second guide may be a guide rail extending in the second direction, the second actuator may be an air cylinder, and the second slider 42 may be a slider.

In addition, as shown in fig. 2, a wiring box is arranged on the transverse bracket for wiring; the display 52 may also display other information, for example, when the controller controls the speed of the cylinder or the rotating machine, corresponding parameters may be set on the display 52, etc.

Example 2

The present embodiment provides a welding system, as shown in FIG. 1, comprising

The welding apparatus in example 1;

the clamp 6 at least has a first clamping cavity 64 extending vertically, the first clamping cavity 64 is used for clamping an object to be welded, and the welding gun 7 is driven by the sliding of the transfer mechanism so that the welding end of the welding gun 7 can extend into the first clamping cavity 64.

By adopting the welding equipment in example 1, the welding system of this embodiment can more accurately adjust the position of the welding gun 7 in the vertical direction during the welding process, so that the welding end of the welding gun 7 extends into the first clamping cavity 64, the object to be welded is welded more accurately, and the welding accuracy is improved.

With respect to the clamp 6, as shown in fig. 4, preferably the clamp 6 includes a base 61 and at least one clamping assembly. The base 61 has a pre-clamping chamber 613 for pre-clamping the ends of the outer tube.

For example, in fig. 4, the front side surface of the base 61 is provided with a first mounting body 611 and a second mounting body 612 which are opposite to each other, and a recess is formed between the first mounting body 611 and the second mounting body 612 and between the front side surfaces of the base 61; the mutually facing surfaces of the first mounting body 611 and the second mounting body 612 are respectively provided with a first groove and a second groove which penetrate along the length direction of the first clamping cavity 64; the first and second grooves form a pre-clamping cavity 613.

The top and the bottom of first recess and second recess all link up, and first recess and second recess can be the slope recess to first recess and second recess are the V style of calligraphy on the whole and distribute, thereby the centre gripping chamber in advance can apply the component force of orientation to the outer tube when the centre gripping outer tube, ensure that outer tube and wire are held in advance the centre gripping intracavity, can not the landing downwards.

Certainly, first recess and second recess also can be vertical recess, and the setting in centre gripping chamber in advance is convenient for block the part of outer tube in first recess and second recess respectively in advance, play the effect of fixing in advance to the outer tube, are convenient for follow-up carry out centre gripping and location adjustment to the top of outer tube and the top of wire.

Any clamping assembly comprises a limiting member 62 fixedly arranged on the base 61, a third sliding member 63 arranged opposite to the limiting member 62, and a biasing member for applying a biasing force to the third sliding member 63 in a direction towards the limiting member 62, wherein the third sliding member 63 is driven by a driving force to slide towards or away from the limiting member 62, and a first clamping cavity 64 communicated with the pre-clamping cavity 613 is formed between the third sliding member 63 and the limiting member 62 when the third sliding member is close to the limiting member 62; a first opening of the first clamping chamber 64 at an end facing away from the pre-clamping chamber 613 is located below the welding gun 7.

As shown in fig. 5, a positioning reference position 67 is provided at the first opening, for example, an annular step is provided on an inner wall of the first opening, and a step surface of the annular step serves as the positioning reference position 67.

For the first clamping cavities 64, as shown in fig. 4, the surfaces of the limiting members 62 facing each other and the respective opposite sliding members are respectively provided with an inwardly recessed fourth groove, the first clamping cavity 64 is defined between the two fourth grooves, and the diameter of each fourth groove is smaller than the diameter of the clamped outer tube, so that when the sliding members slide to abut against the respective corresponding limiting members 62, the first clamping cavity defined by the two fourth grooves clamps and limits the outer tube, and the outer tube and the wire are kept in a stationary state in the first clamping cavities 64.

The base 61 is also provided with at least one fixed seat 65 and a sliding rod; the third sliding member 63 of the clamping assembly is closer to the fixed seat 65 than the limiting member 62, and the first biasing member is disposed between the fixed seat 65 and the sliding member to apply a biasing force to the third sliding member 63 toward the limiting member 62. preferably, as shown in fig. 4, both ends of the sliding rod are respectively fixed to one of the limiting members 62 to facilitate the installation and fixation of the sliding rod.

The number of the clamping components is at least two, and a fixed seat 65 is arranged between every two clamping components; the first biasing member and the third sliding member 63 of each clamping assembly are sleeved on the sliding rod, the fixed seat 65 is fixedly sleeved on the sliding rod, and two ends of the first biasing member abut against the fixed seat 65 and the third sliding member 63 respectively, so that the plurality of clamping assemblies and the fixed seat 65 are arranged in series through one sliding rod, and the whole clamp 6 is compact in structure; meanwhile, the third sliding member 63 is sleeved on the sliding rod to guide the sliding of the third sliding member 63, so that the third sliding member 63 can clamp the outer tube more accurately.

The welding system further includes at least one driving mechanism, for example, as shown in fig. 4, the driving mechanism is one, and the third sliding members 63 of each two clamping assemblies are driven by the same driving mechanism, and the driving mechanism is configured to drive the third sliding members 63 of the two clamping assemblies to synchronously slide toward or away from the corresponding limiting members 62.

The drive mechanism includes a third drive, a drive plate 66 and two rollers 651. Optionally, the third driver is an air cylinder, and the driving plate 66 is fixed on a telescopic shaft of the air cylinder and is driven by the air cylinder to perform telescopic motion; an isosceles trapezoid third groove which is concave from outside to inside is formed in the end face, on the side, back to the cylinder, of the driving plate 66, the long side of the trapezoid serves as a notch of the third groove, and two waists of the isosceles trapezoid serve as a dial face respectively. Optionally, the drive plate is an inverted L-shaped plate, the vertical part of the plate is connected with the cylinder, and the horizontal part of the plate is provided with a third groove to form a poke surface.

Two rolling parts 651 are fixed respectively on two centre gripping subassembly's third slider 63, two stirring faces butt respectively on a rolling part 651, optionally, rolling part 651 is bearing or gyro wheel, thereby form rolling friction between stirring face and the bearing, reduce the frictional force of contact between the two, when being convenient for cylinder drive plate 66 is concertina movement, stir through stirring of stirring face and drive two third sliders 63 and move towards each other in step or the direction of keeping away from each other, thereby adopt same actuating mechanism to drive two centre gripping subassembly's slider motion simultaneously, make positioner's structure compacter.

Before the ends to be welded of the outer tube and the metal wire are required to be welded, the ends to be welded of the outer tube and the metal wire are fixed in a pre-clamping cavity 613 in advance, the ends to be welded are aligned with a positioning reference position 67 at the first opening, and then the third sliding parts 63 are driven by a driving mechanism to slide towards the corresponding limiting parts 62, so that the ends of the positioned outer tube and the positioned metal wire are clamped and fixed in a first clamping cavity 64 to clamp and fix the outer tube and the metal wire; then, the position of the welding gun 7 is adjusted through a lifting mechanism and a first sliding mechanism in the transfer mechanism, so that the welding end of the welding gun 7 extends into the first opening, and the end to be welded of the positioned metal wire is welded; meanwhile, the image collector 51 is adjusted by the second sliding mechanism, the welding condition of the welding end is collected on line and displayed on the display 52, so that the welding condition can be known in time, and the welding efficiency and the welding quality are further improved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A welding apparatus, comprising

A frame (1);

the welding gun (7) is fixedly arranged on the lifting mechanism and is driven by the movement of the lifting mechanism to do reciprocating linear movement along the vertical direction;

a first sliding mechanism arranged on the lifting mechanism, the first sliding mechanism comprises at least one first guide part and a first sliding part (22) which extend along a first direction,

the second sliding mechanism is arranged on the first sliding part and slides along a second direction perpendicular to the first direction; the image collector (51) is arranged on the second sliding mechanism, and the image collector (51) is positioned above the welding gun (7); and a display electrically connected with the image collector;

the image collector (51) is driven by the sliding of the second sliding mechanism and the first sliding mechanism to move so as to be used for collecting the image of the welding end of the welding gun (7).

2. Welding device according to claim 1, wherein said lifting mechanism is provided on said frame (1) by means of said first sliding mechanism; the lifting mechanism is driven by the sliding of the first sliding mechanism to slide on the horizontal plane along a first direction.

3. Welding apparatus according to claim 2, wherein said first slide (22) is slidably arranged on all said first guides; and

a first driver connected with the first sliding piece (22) or the first guide piece and used for driving the first sliding piece (22) to slide on the first guide piece;

the lifting mechanism is fixed on the first sliding part (22).

4. Welding apparatus according to claim 3, wherein the first guide is a guide rail (21), the first driver being connected to the first slide, the first slide (22) being slidably arranged on the guide rail (21); or

The first guide piece is a first screw rod, the first driver is connected with the first screw rod, and one side surface, facing the screw rod, of the first sliding piece (22) is in threaded fit with the first screw rod through a screw rod nut.

5. Welding apparatus according to claim 4, wherein said first guides are at least two, at least one of said first guides being a guide rail (21), at least one of said first guides being a first lead screw;

the first sliding part (22) is arranged on the guide rail (21) and the first screw rod in a sliding mode.

6. Welding apparatus according to any one of claims 3-5, further comprising a first carriage (31) vertically arranged on the first slide (22), the lifting mechanism being fixed to the first carriage (31) so that at least the welding tip of the welding gun (7) protrudes outside the first slide (22).

7. Welding apparatus according to any one of claims 1-5, wherein the first slide is provided with a seat;

the second sliding mechanism comprises a second guide (41) fixed on the support and extending along a second direction; and a second slider (42) slidably provided on the second guide;

the image collector (51) is fixed on the second sliding part (42); the display is arranged on the support.

8. The welding apparatus according to claim 7, wherein the second guide is a second lead screw on which the second slider is screw-fitted.

9. A welding system, comprising

The welding device of any one of claims 1-8;

the clamp (6) is at least provided with a first clamping cavity (64) extending vertically, the first clamping cavity (64) is used for clamping an object to be welded, and the welding gun (7) is driven by the movement of the transfer device to enable the welding end of the welding gun (7) to extend into the first clamping cavity (64).

10. Welding system according to claim 9, characterized in that the clamp (6) comprises

A base (61) having a pre-clamping cavity (613) located below the first clamping cavity;

at least one clamping assembly; any clamping assembly comprises a limiting piece (62) fixedly arranged on the base (61), and a third sliding piece (63) arranged opposite to the limiting piece (62), wherein the third sliding piece (63) can slide towards or away from the limiting piece (62) under the driving of a driving force, and a first clamping cavity (64) communicated with the pre-clamping cavity (613) is formed between the third sliding piece (63) and the limiting piece (62) when the third sliding piece is close to the limiting piece (62);

the opening of one end of the first clamping cavity (64) opposite to the pre-clamping cavity (613) is positioned below the welding gun (7).