CN210848747U - Welding mechanism - Google Patents

Abstract

The utility model provides a welding mechanism, which comprises a welding gun, a welding mechanism and a welding mechanism, wherein the welding gun comprises a first movable electrode and a second movable electrode which are oppositely and movably arranged; the first driving mechanism is installed on the base, is in linkage connection with the first movable electrode and the second movable electrode of the welding gun through a connecting mechanism, and drives the first movable electrode and the second movable electrode to synchronously move linearly. According to the welding mechanism, the first movable electrode and the second movable electrode which are connected with the connecting mechanism in a linkage mode are driven by the first driving mechanism to synchronously move linearly, so that the pressures of the first movable electrode and the second movable electrode acting on two sides of the fork terminal are the same, and the symmetry and the deformation consistency of the two sides of the fork terminal are ensured; simple structure, the practicality is strong.

Description

Welding mechanism

Technical Field

The utility model belongs to the technical field of the welding equipment, concretely relates to welding mechanism.

Background

The terminal is an accessory which has the switching function in various electric control distribution equipment, complete equipment, multi-loop electric meter boxes and combined terminal electric appliance boxes.

Compared with a common through hole type terminal, the fork terminal has the advantages that the bolt does not need to be screwed out safely during disassembly and assembly, and the effect of more convenient disassembly and assembly is achieved.

The fork terminal generally includes a Y-shaped fork portion and a conductive connecting portion, and the conductive connecting portion and the conductive wire are generally welded and fixed by a welding mechanism to electrically connect the fork terminal and the conductive wire, the existing welding mechanism includes a welding gun, the welding gun generally includes a fixed electrode and a movable electrode, because the Y-shaped fork opening part is symmetrical, the movable electrode and the fixed electrode are respectively arranged at the two sides of the Y-shaped fork opening part, the driving mechanism drives the movable electrode to move towards the direction of the fixed electrode to clamp and fix the Y-shaped fork mouth part of the fork mouth terminal, and then welding is carried out, in the welding mode, one side is fixed, the other side moves, the electrode on the fixed side and the electrode on the moving side have different output pressures to the Y-shaped fork opening part, so that the symmetry is easily influenced when the fork opening terminal is welded, and the welding compression deformation is inconsistent, thereby influencing the use performance and the effect of the fork opening terminal.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model discloses the technical problem that will solve adopts a fixed electrode and a movable electrode among the current welding mechanism, symmetry and welding compression deformation are inconsistent when causing the welding of fork mouth terminal.

Therefore, the utility model provides a welding mechanism, include:

the welding gun comprises a first moving electrode and a second moving electrode which are oppositely and movably arranged;

and the first driving mechanism is arranged on the base, is in linkage connection with the first movable electrode and the second movable electrode through a connecting mechanism, and drives the first movable electrode and the second movable electrode to synchronously move linearly.

Optionally, in the welding mechanism, the first driving mechanism includes a first driver, a first driving shaft in transmission connection with a first output shaft of the first driver, and a linear bearing in threaded sleeve connection with the first driving shaft, and the connecting mechanism is fixedly mounted on the linear bearing.

Optionally, the welding mechanism, the connection mechanism includes:

the connecting plate is fixedly arranged on the linear bearing, and two inclined sliding chutes which are arranged in a splayed shape are formed in the connecting plate;

and one end of each connecting rod mechanism is connected in one inclined chute in a sliding manner, and the other end of each connecting rod mechanism is fixedly connected with the corresponding movable electrode.

Optionally, the welding mechanism further includes two movable electrode fixing blocks arranged oppositely, and the first movable electrode and the second movable electrode are respectively fixed on the movable electrode fixing blocks; and

and the two cooling mechanisms are respectively and fixedly connected to the two movable electrode fixing blocks and are respectively used for cooling the first movable electrode and the second movable electrode.

Optionally, the welding mechanism further includes a first guiding mechanism for guiding the two link mechanisms to slide in the two inclined chutes in a reciprocating manner, and the first guiding mechanism includes:

at least one first guide rail fixedly arranged relative to the base and extending along a direction perpendicular to the moving direction of the movable electrode;

and the at least one first sliding block is fixed at the bottom of the connecting plate and is arranged on the first guide rail in a sliding manner.

Optionally, the welding mechanism further includes a second guiding mechanism for guiding the first moving electrode and the second moving electrode to move on the same line, and the second guiding mechanism includes:

at least two second guide rails which are arranged in a sliding mode relative to the base and extend along the moving direction of the moving electrode;

and the at least two second sliding blocks are fixedly arranged relative to the base and are respectively movably arranged on the corresponding second guide rails.

Optionally, the welding mechanism further includes two second driving mechanisms disposed oppositely and respectively connected to the first moving electrode and the second moving electrode, and the second driving mechanisms respectively drive the first moving electrode and the second moving electrode to synchronously move in the same straight line.

Optionally, the welding mechanism further includes a third guiding mechanism for guiding the first moving electrode and the second moving electrode to move in the same straight line, and the third guiding mechanism includes:

at least two third guide rails fixed relative to the second driving mechanisms respectively corresponding to the first driving mechanisms and extending along the moving direction of the moving electrode;

and the at least two third sliding blocks are respectively fixed on the first moving electrode and the second moving electrode and respectively movably arranged on the corresponding third guide rails.

Optionally, the welding mechanism further includes at least two vertical stoppers, the vertical stoppers are used for limiting the linear movement of the first movable electrode and the second movable electrode respectively, the vertical stoppers are installed on a first fixed mounting plate which is arranged at the output end of the second driving mechanism and extends along the moving direction of the movable electrode, and the output end of the second driving mechanism is further provided with transverse stoppers which are matched with the vertical stoppers in a one-to-one correspondence manner.

Optionally, the welding mechanism, the second driving mechanism includes a second driver, a transverse block fixedly connected to a second output shaft of the second driver, and a second fixing and mounting plate fixedly connected to the transverse block, and the transverse block protrudes from a side of the second fixing and mounting plate to abut against the vertical block.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a welding mechanism, which comprises a welding gun, a welding rod and a welding rod, wherein the welding gun comprises a first movable electrode and a second movable electrode which are oppositely and movably arranged;

the first driving mechanism is installed on the base, is in linkage connection with the first movable electrode and the second movable electrode of the welding gun through a connecting mechanism, and drives the first movable electrode and the second movable electrode to synchronously move linearly.

According to the welding mechanism, the first movable electrode and the second movable electrode which are connected with the connecting mechanism in a linkage mode are driven by the first driving mechanism to synchronously move linearly, so that the pressures of the first movable electrode and the second movable electrode acting on two sides of the fork terminal are the same, and the symmetry and the deformation consistency of the two sides of the fork terminal are ensured; simple structure, the practicality is strong.

2. The utility model provides a welding mechanism, adopt connecting plate and link mechanism, wherein the connecting plate includes two oblique spouts and connecting plate and the first drive shaft fixed connection that are the splayed, link mechanism one end sliding connection other end and the mobile electrode fixed connection formation linkage structure that corresponds separately in oblique spout, remove along perpendicular to mobile electrode moving direction through a drive mechanism drive connecting plate, the component force of spout transverse direction orders about first mobile electrode and second mobile electrode and is rectilinear movement in the transverse direction in step, moreover, the steam generator is simple in structure, ensure the synchronism that first mobile electrode and second mobile electrode removed.

3. The utility model provides a welding mechanism still includes cooling body for through cooling body's setting, be used for cooling off first movable electrode and second movable electrode, reduce the high temperature that produces among the welding process to whole mechanism and by the damage of weldment fork terminal.

4. The utility model provides a welding mechanism still includes second actuating mechanism, does further near rectilinear movement through first movable electrode of second actuating mechanism drive respectively and second movable electrode, can be suitable for multiple size by the weldment, improves welding mechanism's suitability and application range.

5. The utility model provides a welding mechanism still includes vertical dog, and setting up through vertical dog forms the horizontal spacing to the mobile electrode that corresponds separately, avoids first mobile electrode and second mobile electrode's mutual collision and to the striking of being welded the piece cause to be welded the piece take place deformation influence by the performance of welded piece.

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 overall front view structure diagram of a welding mechanism in an embodiment of the present invention;

fig. 2 is a schematic overall rear view of the welding mechanism in the embodiment of the present invention;

fig. 3 is a schematic top view of the welding mechanism in the embodiment of the present invention (the movable electrode, the cooling mechanism and the second driving mechanism are omitted);

fig. 4 is a schematic structural diagram of a connecting plate of a welding mechanism in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of the first moving electrode and the second moving electrode of the welding mechanism in the embodiment of the present invention (the base, the first driving mechanism, the first guiding mechanism, the second guiding mechanism, and the connecting plate are omitted);

FIG. 6 is a schematic top view of the structure of FIG. 5;

fig. 7 is a schematic structural diagram of a connection mechanism of a welding mechanism in an embodiment of the present invention;

fig. 8 is a schematic structural view of the moving electrode and the cooling mechanism of the welding mechanism in the embodiment of the present invention;

fig. 9 is a schematic cross-sectional structural diagram of a cooling mechanism of a welding mechanism in an embodiment of the present invention.

Description of reference numerals:

10-a base; 11-a lower base; 12-a support; 13-an upper base;

20-a first moving electrode;

30-a second moving electrode;

40-a first drive mechanism; 41-a first drive shaft;

50-a connection mechanism; 51-a connecting plate; 511-inclined chute; 52-linkage mechanism; 521-a connecting column; 522-connecting block;

60-a first guide mechanism; 61-a first guide rail; 62-a first slider;

70-a second guiding mechanism; 71-a second guide rail; 72-a second slide;

80-a second drive mechanism; 81-a first fixed mounting plate; 82-a second stationary mounting plate; 83-transverse stop;

90-a third guide mechanism; 91-a third guide rail; 92-a third slider;

100-a cooling mechanism; 101-a water inlet pipe; 101 a-a water inlet; 102-a water outlet pipe; 102 a-water outlet; 103-a fixed mounting block; 104-a flow channel;

110-moving the electrode fixing block; 111-fixing the block; 112-lower fixed block;

120-vertical stop;

130-a third fixed mounting plate.

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.

Example 1

The present embodiment provides a welding mechanism, as shown in fig. 1 to 9, including a welding gun (not shown), a base 10, a first driving mechanism 40, a connecting mechanism 50, a first movable electrode 20, a second movable electrode 30, a movable electrode fixing block 110, a second driving mechanism 80, a first guiding mechanism 60, a second guiding mechanism 70, a third guiding mechanism 90, a cooling mechanism 100, and a vertical stopper 120; wherein the welding gun comprises a first moving electrode 20 and a second moving electrode 30 which are oppositely and movably arranged, namely the first moving electrode 20 and the second moving electrode 30 which are arranged symmetrically left and right and can move left and right as shown in FIG. 1; the first driving mechanism 40 is installed on the base 10, and is linked with the first moving electrode 20 and the second moving electrode 30 through the connecting mechanism 50 and drives the first moving electrode 20 and the second moving electrode 30 to synchronously move linearly; the direction of the horizontal arrow in fig. 1 indicates the direction of linear movement of the movable electrode, and the direction of the vertical arrow indicates the direction of output of the first drive mechanism.

In the welding mechanism of the embodiment, the first driving mechanism 40 drives the first movable electrode 20 and the second movable electrode 30 which are linked with the connecting mechanism 50 to synchronously move linearly, so that the pressures of the first movable electrode 20 and the second movable electrode 30 acting on two sides of the fork terminal (not shown) are the same, and the symmetry and the deformation consistency of the two sides of the fork terminal are ensured; simple structure, the practicality is strong.

As for the base 10, as shown in fig. 1 and 2, the base includes, from bottom to top, a lower base 11, two supports 12 and two upper bases 13 in sequence, the lower base 11 is in a shape of a convex plate, the two supports 12 are symmetrically arranged on the lower base 11, the two upper bases 13 are also in a shape of a plate, each support 12 is fixedly provided with one upper base 13, and the upper bases 13 and the lower bases 11 are arranged in parallel up and down; a first mounting space (not shown) for mounting the first guide mechanism 60 is formed between the two supports 12, and a second mounting space (not shown) for mounting the connection mechanism 50 is formed between the two upper bases 13.

As for the first driving mechanism 40, as shown in fig. 1 and 2, the first driving mechanism 40 includes a first driver, a first driving shaft 41 in transmission connection with a first output shaft (not shown) of the first driver, and a linear bearing disposed on the first driving shaft 41, wherein the first driver is a servo motor and is fixedly mounted at the front end of the lower base 11 through a motor mounting seat (not shown), the first output shaft (not shown) of the first driving mechanism 40 extends towards the rear end direction of the lower base 11 and is in transmission connection with the first driving shaft 41 through a coupling (not shown), the linear bearing (not shown) is screwed on the first driving shaft 41, the linear bearing is converted into linear movement of the linear bearing through rotation of the first driving shaft 41, a third fixing mounting plate 130 disposed in parallel with the lower base 11 is fixedly disposed on the linear bearing, both left and right ends of the third fixing mounting plate 130 are partially disposed at the lower ends of the two upper bases 13, the connection mechanism 50 is fixed to the upper end surface of the third fixed mounting plate 130.

As shown in fig. 1 and 2, the first guide mechanism 60 includes two first guide rails 61 and two first sliders 62, the two first guide rails 61 are symmetrically disposed on the left and right sides of the first driving shaft 41 and are respectively located on the inner sides of the two support bases 12, the first guide rails 61 extend in a direction perpendicular to the moving direction of the moving electrode, that is, in the directions of the front and rear ends of the lower base 11 (that is, the directions of vertical arrows shown in fig. 1) as shown in fig. 1, and the two first sliders 62 are respectively slidably disposed on the first guide rails 61 and fixed to the lower end surface of the third fixed mounting plate 130. As for the number of the first guide rails 61 and the first sliders 62, other numbers are also possible, for example, only one or three, four, etc. of the first guide rails 61 may be provided, and one first guide rail 61 may be provided on either right or left side of the first drive shaft 41; the number of the first sliding blocks 62 may also be four, six, eight, etc., and a plurality of the first sliding blocks 62 are uniformly distributed on the first guide rail 61. The shape and structure of the first guide rail 61 and the first slider 62 are not limited and described herein, and are conventional guide rails and sliders, which is not the inventive point of the present invention. To the setting of first guide rail 61 and first slider 62, for example, first guide rail 61 sets up the lower terminal surface at third fixed mounting panel 130, and first slider 62 sets up the up end at base 11 down, and first drive shaft 41 drives third fixed mounting panel 130 and removes and drive first guide rail 61 along first slider 62 relative movement on the base 11 down also the utility model discloses a protection scope.

As shown in fig. 3 to 6, the connecting mechanism 50 includes a connecting plate 51 and a link mechanism 52, the connecting plate 51 is in a square plate shape, two splayed oblique sliding grooves 511 are formed in the connecting plate 51, the splayed oblique sliding grooves are symmetrically arranged on the connecting plate, the link mechanism 52 includes a connecting column 521 and a connecting block 522, the connecting column 521 is in an inverted T shape, the upper end of the connecting column 521 is connected to the connecting block 522 in a threaded manner, the lower end of the connecting column is inserted into the oblique sliding groove 511, and the bottom of the connecting column abuts against the upper end face of the third; the connecting block 522 is in a shape of a Chinese character 'ao' with a wide upper end and a narrow lower end, the upper end of the connecting block is fixedly connected with the lower end face of the first fixed mounting plate 81, and the lower end of the connecting block is slidably connected with the inclined chute 511 through a connecting column 521. The setting of the inclination angle of the inclined chute 511 is not particularly limited, and may be, for example, 30 °, 45 °, 60 ° with the moving direction of the moving electrode, that is, the direction of the transverse arrow shown in fig. 1, and the like, and those skilled in the art can select and design the inclination angle according to actual situations.

As for the first moving electrode 20 and the second moving electrode 30, as shown in fig. 1, fig. 2 and fig. 7, the first moving electrode 20 and the second moving electrode 30 are arranged in bilateral symmetry and are fixed by one moving electrode fixing block 110, each moving electrode fixing block 110 includes an upper fixing block 111 and a lower fixing block 112, each moving electrode is fixed between one upper fixing block 111 and one lower fixing block 112 corresponding to each other, that is, an accommodating cavity (not shown) for accommodating the moving electrode is formed between the upper fixing block 111 and the lower fixing block 112, and the upper fixing block 111 and the lower fixing block 112 can be fixed by fastening bolts (not shown) or magnetic attraction. The structure and material of the first moving electrode 20 and the second moving electrode 30 are not particularly limited and described, and are conventional structures, which are not the subject of the present invention.

As shown in fig. 7 and 8, the cooling mechanism 100 is in a block shape, which includes two cooling mechanisms 100, the two cooling mechanisms 100 are respectively fixedly disposed on the lower end surfaces of the movable electrode fixing blocks 110 of the corresponding movable electrodes, a flow channel 104 is disposed in the cooling mechanism 100, the flow channel 104 is in a u-shaped structure, the cooling mechanism 100 is provided with a water inlet 101a and a water outlet 102a which are communicated with the flow channel 104, the water inlet 101a is connected with the water inlet pipe 101, the water outlet 102a is connected with the water outlet pipe 102, cooling water enters the flow channel 104 from the water inlet 101a and exchanges heat with the movable electrode fixing blocks 110 and then flows out from the water outlet 102a, thereby reducing the heat of the movable electrode fixing blocks 110, and the cooling mechanism 100 is used for cooling the first movable electrode 20 and the second movable electrode 30, thereby reducing the damage of the mechanisms caused by.

The number of the second guide mechanisms 70 is two, the two second guide mechanisms 70 are arranged in bilateral symmetry, and the first moving electrode 20 and the second moving electrode 30 are respectively fixed at the upper end of one second guide mechanism 70 and are respectively used for guiding the transverse linear movement of the first moving electrode 20 and the second moving electrode 30; specifically, each second guide mechanism 70 includes, as shown in fig. 3, two second guide rails 71 and two second sliders 72, the two second guide rails 71 are fixedly disposed in parallel in the front-back direction on the lower end surface of the first fixed mounting plate 81 and extend in the moving direction of the moving electrode, i.e., in the left-right direction as shown in fig. 3, the two second sliders 72 include four second sliders 72 and are fixed on the upper base 13, the four second sliders 72 are divided into two groups, and each group of two second sliders is disposed on the second guide rails 71 in a left-right moving manner. The number of the second guide rails 71 and the second sliders 72 may also be other numbers, for example, one, three, four, etc. second guide rails 71, two, six, eight, etc. second sliders 72. The second guide rail 71 and the second sliding block 72 may be arranged in other manners, for example, the second guide rail 71 is fixed on the upper end surface of the upper base 13, and the second sliding block 72 is fixed on the lower end surface of the first fixing mounting plate 81.

The second driving mechanisms 80 are symmetrically arranged at the left end and the right end respectively and used for driving the first movable electrode and the second movable electrode to synchronously move linearly, the first movable electrode and the second movable electrode are driven by the second driving mechanisms to move closer, namely the output pressure of the two second driving mechanisms is the same, so that the pressure applied to the two sides of the Y-shaped fork opening part is equal, and the symmetry and the deformation consistency of the welded fork opening terminal are ensured. When the first driving mechanism 40 drives the connecting plate 51 to move vertically, due to the arrangement of the inclined sliding chute 511, a component force exists in the connecting plate 51 in the transverse direction, and the component force drives the first moving electrode 20 and the second moving electrode 30 on the left and right sides to move linearly and transversely so as to approach or separate from each other, and when the link mechanism 52 reaches the foremost end or the rearmost end of the inclined sliding chute 511, and the distance between the first moving electrode 20 and the second moving electrode 30 still cannot reach an actual requirement, the second driving mechanism 80 can respectively drive the first moving electrode 20 and the second moving electrode 30 to move linearly and synchronously so as to further reduce the distance between the first moving electrode 20 and the second moving electrode 30 to meet the actual requirement. Each second driving mechanism 80 comprises a second driver, a transverse stop 83 arranged on a second output shaft (not shown) of the second driver, and a second fixed mounting plate 82 fixedly arranged on the inner side of the transverse stop 83, wherein the second driver is an air cylinder, that is, each second driving mechanism, the output end of the second output shaft of 80 is connected with one transverse stop 83 and one second fixed mounting plate 82, a movable electrode fixing block 110, a cooling mechanism 100 and a fixed mounting block 103 are fixedly mounted on the upper end surface of the second fixed mounting plate 82 from top to bottom in sequence, the first fixed mounting plate 81 and the second fixed mounting plate 82 are arranged in parallel from top to bottom, and the second fixed mounting plate 82 is movably arranged on the upper end surface of the first fixed mounting plate 81 through a third guiding mechanism 90; as shown in fig. 6, the transverse stopper 83 is formed in a convex shape, and front and rear ends of the transverse stopper 83 protrude from front and rear ends of the second fixing plate 82, respectively.

For the third guide mechanisms 90, two third guide mechanisms 90 are arranged in bilateral symmetry and are respectively used for guiding the transverse linear movement of the first movable electrode 20 and the second movable electrode 30, the movable electrode fixing block 110, the cooling mechanism 100 and the fixed mounting block 103 are sequentially and fixedly arranged on one second fixed mounting plate 82 from top to bottom, and the third guide mechanisms 90 are fixedly arranged on the lower end surface of the second fixed mounting plate 82; as shown in fig. 5, each third guiding mechanism 90 includes a third guide rail 91 and a third slider 92, the third guide rail 91 includes two third guide rails 91, the two third guide rails 91 are fixed in parallel in front and behind on the upper end surface of the first fixed mounting plate 81 and extend along the moving direction of the moving electrode, i.e., the direction of the transverse arrow shown in fig. 1, the third sliders 92 include four third sliders 92, and the four third sliders 92 are respectively fixed on the lower end surface of the second fixed mounting plate 82 and respectively movably disposed on the third guide rails 91. As for the number of the third guide rail 91 and the third slider 92, other numbers are also possible, such as one, three, etc. for the third guide rail 91 and two, six, eight, etc. for the third slider 92. The third guide rail 91 and the third slider 92 may be disposed in other manners, for example, the third guide rail 91 is fixed to the upper end surface of the first fixed mounting plate 81, and the third slider 92 is fixed to the lower end surface of the second fixed mounting plate 82.

As shown in fig. 2, the vertical stopper 120 is in a square shape, the lower end of the vertical stopper is fixedly connected to the rear end of the first fixed mounting plate 81, for example, fixed by a bolt (not shown), the upper end of the vertical stopper is protruded toward the second fixed mounting plate 82 and is substantially flush with the upper end surface of the second fixed mounting plate 82, when the second driving mechanism 80 drives the whole structure composed of the second fixed mounting plate 82, the cooling mechanism 100 and the moving electrode to move to the front and rear protruded portions of the transverse stopper 83 to abut against the side edges of the vertical stopper 120, the vertical stopper 120 forms a transverse movement limit for the corresponding moving electrode, so as to prevent the first moving electrode 20 and the second moving electrode 30 from colliding to cause electrode damage; this indicates that the first moving electrode 20 and the second moving electrode 30 can no longer move linearly closer to each other.

As a first alternative embodiment, the welding mechanism of this embodiment does not include the third guiding mechanism 90, and the first driving mechanism 40 drives the connecting plate 51 to move perpendicular to the linear moving direction of the moving electrode, so as to drive the first moving electrode 20 and the second moving electrode 30 on both sides to synchronously move linearly and drive the respective corresponding moving electrodes to synchronously move linearly through the second driving mechanism 80, so as to further reduce the distance between the two moving electrodes.

As a second alternative embodiment, the welding mechanism of this embodiment does not include the second guiding mechanism 70 and the third guiding mechanism 90, the two second driving mechanisms 80 are respectively connected to the connecting mechanism 50, the first driving mechanism 40 drives the connecting plate 51 to move in a direction perpendicular to the linear movement direction of the movable electrode, so as to drive the first movable electrode 20 and the second movable electrode 30 on both sides to synchronously move linearly, and the second driving mechanism 80 drives the respective corresponding movable electrodes to synchronously move linearly, so as to further reduce the distance between the two movable electrodes.

As a third alternative embodiment of this embodiment, the welding mechanism of this embodiment does not include the second driving mechanism 80, and the first moving electrode 20 and the second moving electrode 30 are respectively linked with the first driving mechanism 40 through the connecting mechanism 50, driven by the first driving mechanism 40 to synchronously move linearly, and driven by a manual or external mechanism to synchronously move the first moving electrode 20 and the second moving electrode 30 to linearly move further closer.

As a fourth alternative embodiment of this embodiment, the welding mechanism of this embodiment does not include the cooling mechanism 100, and an external cooling mechanism is used to cool the moving electrode, thereby further simplifying the structure.

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 (10)

1. A welding mechanism, comprising:

the welding gun comprises a first moving electrode (20) and a second moving electrode (30) which are oppositely and movably arranged;

the first driving mechanism (40) is installed on the base (10), is in linkage connection with the first moving electrode (20) and the second moving electrode (30) through a connecting mechanism (50), and drives the first moving electrode (20) and the second moving electrode (30) to synchronously move linearly.

2. Welding mechanism according to claim 1, wherein the first drive mechanism (40) comprises a first drive and a first drive shaft (41) connected to a first output shaft of the first drive and a linear bearing threaded onto the first drive shaft (41), the connection mechanism (50) being fixedly mounted on the linear bearing.

3. Welding mechanism according to claim 2, wherein said connection mechanism (50) comprises:

the connecting plate (51) is fixedly arranged on the linear bearing, and two inclined sliding grooves (511) which are arranged in a splayed shape are formed in the connecting plate (51);

and one end of each link mechanism (52) is connected in one inclined sliding chute (511) in a sliding manner, and the other end of each link mechanism (52) is fixedly connected with the corresponding movable electrode.

4. The welding mechanism according to claim 3, further comprising two oppositely disposed movable electrode fixing blocks (110), wherein the first movable electrode (20) and the second movable electrode (30) are respectively fixed on the corresponding movable electrode fixing blocks (110); and

and the two cooling mechanisms (100) are respectively and fixedly connected to the two movable electrode fixing blocks (110) and are respectively used for cooling the first movable electrode (20) and the second movable electrode (30).

5. The welding mechanism according to claim 4, further comprising a first guide mechanism (60) for guiding the two link mechanisms (52) to slide reciprocally in the two inclined chutes (511), respectively, the first guide mechanism (60) comprising:

at least one first guide rail (61) fixedly arranged relative to the base (10) and extending in a direction perpendicular to the direction of movement of the moving electrode;

and at least one first sliding block (62) fixed at the bottom of the connecting plate (51) and slidably arranged on the first guide rail (61).

6. The welding mechanism according to claim 5, further comprising a second guide mechanism (70) for guiding the first moving electrode (20) and the second moving electrode (30) to move synchronously on the same straight line, the second guide mechanism (70) comprising:

at least two second guide rails (71) which are arranged in a sliding manner relative to the base (10) and extend along the moving direction of the moving electrode;

at least two second sliding blocks (72) are fixedly arranged relative to the base (10) and are respectively movably arranged on the corresponding second guide rails (71).

7. The welding mechanism according to claim 5 or 6, further comprising two second driving mechanisms (80) oppositely arranged and respectively connected with the first moving electrode (20) and the second moving electrode (30), wherein the second driving mechanisms (80) respectively drive the first moving electrode (20) and the second moving electrode (30) to synchronously move on the same straight line.

8. The welding mechanism according to claim 7, further comprising a third guide mechanism (90) for guiding the first moving electrode (20) and the second moving electrode (30) to move in the same straight line, the third guide mechanism (90) comprising:

at least two third guide rails (91) fixed with respect to the respective corresponding second driving mechanisms (80) and extending in the moving direction of the moving electrode;

and at least two third sliders (92) respectively fixed to the first moving electrode (20) and the second moving electrode (30) and respectively movably disposed on the corresponding third guide rails (91).

9. The welding mechanism according to claim 8, further comprising at least two vertical stoppers (120) for limiting the linear movement of the first movable electrode (20) and the second movable electrode (30), wherein the vertical stoppers (120) are mounted on a first fixed mounting plate (81) disposed at the output end of the second driving mechanism (80) and extending along the moving direction of the movable electrode, and the output end of the second driving mechanism (80) is further provided with a transverse stopper (83) corresponding to the vertical stoppers (120) in a one-to-one correspondence.

10. The welding mechanism according to claim 9, characterized in that the second drive mechanism (80) comprises a second driver and the transverse stop (83) fixedly connected to a second output shaft of the second driver and a second fixed mounting plate (82) fixedly connected to the transverse stop (83), the transverse stop (83) protruding out of the side of the second fixed mounting plate (82) to abut against the vertical stop (120).

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