CN114453721A

CN114453721A - Pressure welding fixture and pressure welding equipment

Info

Publication number: CN114453721A
Application number: CN202210245835.8A
Authority: CN
Inventors: 米云; 陶凯; 杨亚涛
Original assignee: Shenzhen Dade Laser Technology Co ltd
Current assignee: Shenzhen Dade Laser Technology Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-05-10
Anticipated expiration: 2042-03-14
Also published as: CN114453721B

Abstract

The application relates to a pressure welding anchor clamps and pressure welding equipment relates to the welding technology field, and the pressure welding anchor clamps include: a base having at least one through hole; the pressing piece is connected to the base and used for pressing a welding area of the workpiece; the pressing part comprises an installation part and a pressing part, the installation part is used for connecting the pressing part and the base, the end part of the pressing part penetrates through the through hole, a welding channel is formed between the end part of the pressing part and the inner wall of the through hole, and the welding channel is used for directly heating the workpiece welding area by the heating energy of the welding head; the mounting part is rotationally connected with the pressure applying part; the driving assembly is connected to the base and the pressing piece and used for driving the mounting part to rotate so that the projection position of the mounting part along the axis of the through hole moves; the pressure welding equipment comprises a welding machine and the pressure welding clamp. This application has the advantage that the bonding operation along the circumference is carried out continuously and efficiency is improved.

Description

Pressure welding fixture and pressure welding equipment

Technical Field

The application relates to the technical field of pressure welding, in particular to a pressure welding clamp and pressure welding equipment.

Background

Welding is an important process in industrial production, and pressure welding is one of the welding modes. Pressure welding is a short term of pressure welding, and is a welding method in which welding is performed by applying mechanical pressure to a joint.

As shown in fig. 1, which is a schematic structural diagram of a workpiece product, the workpiece product 1 includes a substrate 11 and two bosses 12, the bosses 12 may be two and distributed at two ends of the substrate 11, the substrate 11 is provided with a circular mounting groove 111, and the bosses 12 are located in the mounting groove 111 and fixed to the substrate 11 by pressure welding.

When the workpiece product 1 is manufactured by pressure welding, after the base plate 11 and the boss 12 are fixed, the pressing piece presses the boss 12, and a welding head of the welding machine moves around the boss 12 to weld. Due to the blocking of the pressing piece, the welding head cannot directly weld nearby the pressing piece, and the remaining tiny unwelded parts need subsequent repair welding, so that the production efficiency is influenced.

Disclosure of Invention

In order to solve the problem that the pressing piece influences the continuous welding of a welding head to cause repair welding in the process of pressure welding operation, the application provides a pressure welding clamp and pressure welding equipment.

In a first aspect, the application provides a pressure welding fixture which adopts the following technical scheme:

a bonding jig comprising:

a base having at least one through hole;

the pressing piece is connected to the base and used for pressing a workpiece welding area; the pressing part comprises an installation part and a pressing part, the installation part is used for connecting the pressing part and the base, the end part of the pressing part penetrates through the through hole, a welding channel is formed between the end part of the pressing part and the inner wall of the through hole, and the welding channel is used for directly heating the workpiece welding area by the heating energy of the welding head; the mounting part is rotationally connected with the pressure applying part;

and the driving assembly is connected to the base and the pressing piece and used for driving the mounting part to rotate so that the projection position of the mounting part along the axis of the through hole moves.

Through adopting above-mentioned technical scheme, during the welding, it is fixed with the base plate laminating base of work piece product for the welding area is located the through-hole below, makes the portion of exerting pressure press in the welding area position. And the welding head of the welding machine performs circumferential pressure welding on the welding area along the welding channel. When the bonding tool moves to the position close to the installation part, the installation part is driven to move through the driving assembly in advance, so that the bonding tool can continuously press and weld the bonding point at the position of the original installation part, the circumferential press and weld operation is continuous and complete at one time, and the circumferential press and weld efficiency and quality are improved.

Optionally, the mounting portion rotates about an axis of the through hole.

By adopting the technical scheme, the welding head also moves around the axis of the through hole for welding, so that the synchronization can be kept, and the influence of the mounting part on the welding head is reduced.

Optionally, the installation department includes fixed connection's collar and linking arm, the collar with the coaxial rotation of base sets up, the linking arm is kept away from the one end of collar with the coaxial rotation of portion of exerting pressure sets up.

By adopting the technical scheme, the connecting arm and the pressure applying part rotate coaxially, and the pressure applying part is pressed in the area to be welded and is kept immovable, so that the pressure in the pressure welding operation process is kept stable, and the welding quality is improved.

Optionally, the drive assembly includes biography power portion and power portion, pass power portion connect in power portion with between the installation department, biography power portion be used for with the power transmission of power portion extremely the installation department drives the installation department carries out circumferential movement.

Through adopting above-mentioned technical scheme, the removal of pressure welding operation and installation department all can be carried out by automation, improves production efficiency, reduces artificial influence, keeps production quality stable.

Optionally, the mounting portion rotates around the radial direction of the through hole, and a bending portion is formed by bending the portion of the mounting portion corresponding to the through hole;

preferably, the bent portion is one of a circular arc shape, a U shape and a V shape.

Through adopting above-mentioned technical scheme, the installation department is around the radial rotation of through-hole, and it is specific little to remove, reduces drive assembly's structure for whole equipment structure is compacter.

Optionally, there are a plurality of through holes, and a plurality of pressing members are provided and correspond to the through holes one to one.

Through adopting above-mentioned technical scheme, the pressure welding anchor clamps can be acted on in order to carry out the pressure welding operation to a plurality of work pieces simultaneously, improve the production efficiency of pressure welding product.

Optionally, at least one of the driving assemblies is configured to drive the mounting portions of at least two of the pressing members to rotate.

Through adopting above-mentioned technical scheme, drive assembly drives the installation department rotation of two above casting die simultaneously, reduces drive assembly's quantity for a plurality of work pieces can carry out the pressure welding operation in step, improve production efficiency.

Optionally, the pressure welding fixture further comprises a lifting assembly, the lifting assembly is used for pushing the workpiece to be attached to the base, and the lifting assembly and the pressing portion apply pressure to the workpiece from two sides together.

Through adopting above-mentioned technical scheme, treat that the work piece of welding can carry out the material loading through lifting unit, reduce working strength.

Optionally, the force transmission part comprises a connecting plate and a connecting rod, the connecting plate is connected with the output end of the power part, one end of the connecting rod is fixed with the mounting part, and the other end of the connecting rod is hinged to the connecting plate;

or the force transmission part comprises one of a gear transmission mechanism, a chain transmission mechanism, a belt transmission mechanism or a worm gear transmission mechanism;

the power part comprises one of a cylinder or a motor;

preferably, the base is connected with a floating plate, and a cushion block is arranged between the floating plate and the base;

preferably, the base is provided with a positioning pin.

Through adopting above-mentioned technical scheme, drive assembly simple structure, it is convenient to maintain. The positioning pin enables the workpiece to keep the welding position fixed during pressure welding operation, and the quality consistency of batch welded products is improved.

In a second aspect, the application provides a bonding apparatus, which adopts the following technical scheme:

a pressure welding device comprises a welding machine and any one of the pressure welding fixtures, wherein a welding head of the welding machine can directly heat a workpiece welding area through a welding channel of the pressure welding fixture.

By adopting the technical scheme, the pressure welding equipment can continuously perform uninterrupted welding operation on the circumferential to-be-welded area at one time, the possibility of subsequent repair welding is reduced, and the production efficiency and the quality are improved.

In summary, the present application includes at least one of the following beneficial technical effects: when the welding head performs circumferential pressure welding operation, when the welding head moves to a position close to the connecting arm, the driving assembly drives the connecting arm to rotate along with the welding head, so that the welding head can move to the position of the original connecting arm and perform welding operation on a workpiece product. The welding head can weld the workpiece circumferentially at one time in the whole process, so that the subsequent repair welding work is reduced, and the automatic operation is facilitated.

Drawings

FIG. 1 is a schematic diagram of a prior art workpiece product;

FIG. 2 is a schematic structural diagram of a bonding fixture according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural view of the positional relationship between the pressing member and the base;

FIG. 4 is a schematic view of a side of the base away from the driving assembly;

FIG. 5 is a schematic view of the base with the suspension plate removed;

FIG. 6 is a cross-sectional view showing the connection relationship between the pressing member and the base at the A-A plane in FIG. 4;

FIG. 7 is a schematic view of an alternative construction of a press member in connection with a base;

FIG. 8 is a schematic structural diagram of a second loading mechanism according to an embodiment of the present application;

FIG. 9 is a structural diagram of a second loading mechanism used in conjunction with a bonding fixture in accordance with an embodiment of the present application;

FIG. 10 is a front view of FIG. 8;

fig. 11 is a schematic structural diagram of a triple bonding apparatus according to an embodiment of the present application.

Description of reference numerals:

1. a workpiece product; 11. a substrate; 111. mounting grooves; 12. a boss;

2. a mounting frame; 21. a base; 211. a through hole; 22. a pillar; 23. a fixed seat; 231. an opening; 24. positioning pins; 25. a support member; 26. a floating plate; 27. cushion blocks; 28. elastic pressure points;

3. applying a pressing piece; 31. a mounting ring; 32. a pressing part; 33. a connecting arm; 34. a receding groove;

4. a drive assembly; 41. a cylinder; 42. a connecting plate; 421. a strip-shaped hole; 43. a connecting rod; 431. a traveler;

5. a lifting assembly; 51. a lifting platform; 511. assembling a groove;

6. a linear guide rail; 61. a mounting seat;

7. a loading mechanism; 71. a base plate; 711. a fixing plate; 72. a bearing table; 721. accommodating grooves; 722. positioning holes; 723. positioning a groove; 73. a buffer assembly; 731. a base; 732. connecting columns; 733. a buffer member; 734. a roller;

8. a welding machine; 81. a work table; 811. an installation port; 82. a horn.

Detailed Description

The present application is described in further detail below with reference to figures 2-10.

The embodiment of the application discloses bonding fixture and bonding equipment.

The first embodiment is as follows:

referring to fig. 2, the bonding jig includes a mounting frame 2, a pressing member 3, and a driving assembly 4, the pressing member 3 and the driving assembly 4 being mounted on the mounting frame 2.

The mounting frame 2 includes a base 21, and the pressing member 3 is mounted on the base 21. The base 21 can be a rectangular plate, the four corners of the base 21 are vertically fixed with the pillars 22 through screws, the two pillars 22 at the same end are connected with a fixed seat 23, and the pillars 22 and the fixed seat 23 can be welded and fixed.

Referring to fig. 3 and 4, the pressing member 3 includes a mounting portion including a mounting ring 31 and a connecting arm 33, and a pressing portion 32, the mounting ring 31 being connected to the pressing portion 32 through the connecting arm 33, the pressing portion 32 being disposed coaxially with the mounting ring 31. One end of the connecting arm 33 is fixedly connected with the mounting ring 31, such as integrally formed; the other end of the connecting arm 33 is rotatably connected to the pressing portion 32, and a bearing is provided between the connecting arm 33 and the pressing portion 32. The mounting ring 31 is rotatably connected to the base 21. The pressing portion 32 is rod-shaped as a whole, and an annular relief groove 34 is formed between the pressing portion 32 and the mounting ring 31.

Referring to fig. 4 and 5, the base 21 is provided with a through hole 211, an end of the pressing portion 32 extends into the through hole 211 and is coaxially disposed, and the through hole 211 is communicated with the relief groove 34, so that the welding head can weld the workpiece product 1 through the relief groove 34 and the through hole 21.

A groove is formed around the through hole 211 on one surface of the base 21 away from the mounting ring 31, and the floating plate 26 is connected to the position of the base 21 in the groove. The base 21 is fixed with a support 25 at the edge of the groove, the edge of the floating plate 26 is supported on the support 25, and the support 25 may have an L-shaped section. The base 21 is provided with a plurality of resilient pressure points 28 around the recess for applying pressure to the floating plate 26. The base 21 is provided with a cushion block 27 around the through hole 211, so that a minimum distance is kept between the floating plate 26 and the base 21, and the distance is not less than the height of the boss 12 of the workpiece product 1, so that the pressing part 32 is prevented from pressing the boss 12 to deform the workpiece product 1.

The base 21 is also provided with positioning pins 24, two positioning pins 24 being provided, as required.

There are two pressing members 3, and there are two through holes 211 in the base 21. In other embodiments of the embodiment of the present application, the number of the pressing members 3 may also be 1, 3, 4 or more, and specifically may be designed according to actual needs to meet the requirement of production efficiency.

The end of the pressure applying portion 32 may be designed to be removably secured, where the removable securing may be optionally bolted, so that the end of the pressure applying portion 32 may be replaced after being worn over time. While the end of the pressing portion 32 can be adaptively replaced according to the structure of the work product 1 to be welded.

Referring to fig. 6, the driving assembly 4 includes a cylinder 41, a connecting plate 42 and a connecting rod 43, the cylinder 41 is fixed on one side of the base 21, the connecting plate 42 is fixed on the end of the piston rod of the cylinder 41 by a screw, and the connecting plate 42 moves along the central connecting line direction of the two pressing portions 32; two ends of the connecting plate 42 are provided with a strip-shaped hole 421, and the strip-shaped hole 421 is arranged along the moving direction perpendicular to the connecting plate 42. One end of the connecting rod 43 is fixed with the mounting ring 31 through a screw, a sliding column 431 is fixed at the other end of the connecting rod 43, and the sliding column 431 extends into the strip-shaped hole 421 and can slide relatively.

When the air cylinder 41 drives the connecting plate 42 to move, the connecting plate 42 drives the mounting portion to rotate through the connecting rod 43, so that the connecting arm 33 moves under the condition that the pressing portion 32 keeps pressed, and the welding head can move to the original connecting arm 33 and weld the workpiece product 1. Like this, when the bonding tool was along circumference to the boss 12 circumference welding of work piece product 1, drive assembly 4 drove linking arm 33 and removes in advance for the bonding tool is once only to boss 12 pressure welding shaping, and is unnecessary to be interrupted, improves automation efficiency.

In other embodiments of the embodiment of the present application, the driving assembly 4 may also be designed to have other structures as long as it can drive the mounting ring 31 to rotate. For example, the driving assembly 4 includes a motor, and the motor is in transmission connection with the mounting ring 31, and the transmission manner may be a belt transmission, a chain transmission, a gear transmission, a worm and gear transmission, and the like.

In order to be able to push the workpiece product 1 to the base 21, the welding jig further comprises a clamp lifting assembly 5. The lifting assembly 5 comprises a lifting platform 51 and a lifting power part, wherein the lifting power part can be a cylinder, and the lifting platform 51 is fixed at the end part of a piston rod of the cylinder. The cylinder can pass through the bolt fastening on fixing base 23 and make the piston rod vertical setting, offer the opening 231 with elevating platform 51 profile adaptation on fixing base 23.

Referring to fig. 6, the working principle of the pressure welding jig is as follows:

the workpiece product 1 to be welded is moved to the bottom of the base 21 so that the boss 12 is positioned right below the through hole 211 of the base 21, so that the end of the pressing portion 32 presses on the boss 12, keeping the whole workpiece product 1 stationary. The bonding tool then heat-welds the periphery of the boss 12 through the relief groove 34 and the through-hole 211. When the welding head moves to a position close to the connecting arm 33, the driving assembly 4 drives the mounting ring 31 to rotate, and the connecting arm 33 connected with the mounting ring 31 rotates along with the mounting ring, so that the welding head can move to the original connecting arm 33 and perform welding operation on the workpiece product 1. The welding head can weld the boss 12 circumferentially at one time in the whole process, and automation operation is facilitated.

Referring to fig. 7, in other embodiments of the embodiment of the present application, the pressing member 3 may further include a pressing portion 32 and a connecting arm 33, one end of the connecting arm 33 is rotatably connected to the pressing portion 32 along an axis of the pressing portion 32, the other end of the connecting arm 33 is rotatably connected to the base 21, and a portion of the connecting arm 33 corresponding to the area of the through hole 211 is bent to form a bent portion. The driving assembly 4 is connected to the connecting arm 33 and drives the connecting arm 33 to rotate. The position of the connecting arm 33 can thus be adjusted by turning the connecting arm 33. The bending part can be any one of circular arc, U-shaped and V-shaped.

Example two:

referring to fig. 8 and 9, a bonding assist device includes a bonding jig, a linear guide 6, and a loading mechanism 7.

The loading mechanism 7 may be mounted on the linear guide 6, the linear guide 6 includes a mounting seat 61, and the fixing plate 711 and the mounting seat 61 may be fixed by bolts.

The linear guide 6 may be provided below the mounting frame 2 of the bonding jig so that the loading mechanism 7 can be moved below the base 21 by the linear guide 6.

Referring to fig. 8 and 10, the loading mechanism 7 includes a base plate 71, a bearing table 72, and a buffer assembly 73. The stage 72 is located on one surface of the base plate 71, and the cushion unit 73 is attached to the other surface of the base plate 71.

The bottom plate 71 may be a rectangular plate, and a fixing plate 711 is fixedly connected to a surface of the bottom plate 71 away from the plummer 72.

The bearing table 72 is supported on the bottom plate 71, the bearing table 72 is provided with a receiving groove 721, and the contour of the receiving groove 721 is matched with the contour of the substrate 11, so that the position of the substrate 11 of the workpiece product 1 to be welded is fixed after being placed. The susceptor 72 is provided with a positioning hole 722 at the bottom wall of the receiving groove 721, and the positioning hole 722 corresponds to the mounting groove 111 on the substrate 11 at the position of the receiving groove 721, so that the substrate 11 can be verified again through the positioning hole 722 and the mounting groove 111 after being placed in the receiving groove 721. The positioning holes 722 may also be used to determine and calibrate the placement position of the boss 12. The bearing table 72 is further provided with a positioning groove 723 at the periphery of the receiving groove 721,

cushioning assembly 73 includes base 731, connecting column 732, and cushioning member 733. One end of the connection column 732 is fixed to the base 731, the other end of the connection column 732 passes through the bottom plate 71 and is fixed to the carrier 72, and the connection column 732 can slide up and down with respect to the bottom plate 71. The buffer 733 may be a spring, which is sleeved on the connection post 732 and located between the base 731 and the bottom plate 71.

A roller 734 is installed on the base 731, and the roller 734 is located on a side wall of the base 731 and has a horizontal axis.

Each carrier 72 may correspond to two sets of cushion assemblies 73. The two loading stages 72 may be arranged side by side on the base plate 71. The loading platform 72 can be provided in other numbers, such as 1, 3 or more than 4, as required. When the number of the bearing tables 72 is plural, the central axes of the rollers 734 on the same side of the damping assembly 73 are located at the same height.

In order to enable the lifting assembly 5 to lift the bearing platform 72, a horizontal assembly groove 511 is provided on the lifting platform 51, and the roller 734 on the loading mechanism 7 can slide into the assembly groove 511. The lifting unit 5 can thus push the buffer unit 73 to move upward, and the bearing table 72 connected to the buffer unit 73 moves upward and abuts against the base 21, so that the pressing portion 32 of the pressing member 3 presses against the boss 12 of the workpiece product 1 to be welded. Meanwhile, the positioning pin 24 on the base 21 is inserted into the positioning groove 723 on the bearing table 72, so that the position of the bearing table 72 is kept stable, the welding precision of the workpiece products 1 welded in batches is consistent, and the product quality stability is improved.

After the workpiece product 1 is welded, the lifting assembly 5 drives the bearing table 72 to move downwards, and the linear guide rail 6 drives the loading mechanism 7 to move continuously and weld the next workpiece product 1.

Example three:

referring to fig. 11, a welding apparatus includes a welder 8, a pressure welding jig, a linear guide 6, and a loading mechanism 7. The welder 8 includes a table 81 and a welding head 82, and the welding head 82 is movable in the X-axis, Y-axis, and Z-axis directions. The pressure welding clamp, the linear guide rail 6 and the loading mechanism 7 are arranged in parallel.

The worktable 81 is provided with an installation opening 811, the fixed seat 23 of the pressure welding fixture is fixed on the installation opening 811 of the worktable 81 through a screw, and the lifting component 5 is positioned on the bottom surface of the worktable 81.

The linear guide 6 is fixedly installed on the workbench 81, and the two linear guide 6 can be arranged in parallel.

The welding equipment can efficiently and stably weld the workpiece product 1, and the manufactured workpiece product 1 is stable in quality.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A pressure welding jig characterized by comprising:

a base (21) having at least one through hole (211);

a pressing member (3) connected to the base (21) for pressing a workpiece welding area; the pressing piece (3) comprises an installation part and a pressing part (32), the installation part is used for connecting the pressing part (32) and the base (21), the end part of the pressing part (32) penetrates through the through hole (211) and forms a welding channel with the inner wall of the through hole (211), and the welding channel is used for directly heating the workpiece welding area by the heating energy of the welding head (82); the mounting part is rotationally connected with the pressing part (32);

and the driving assembly (4) is connected to the base (21) and the pressing piece (3) and is used for driving the mounting part to rotate so that the projection position of the mounting part along the axis of the through hole (211) moves.

2. The bonding jig according to claim 1, characterized in that: the mounting portion rotates around the axis of the through hole (211).

3. The bonding jig according to claim 2, characterized in that: the installation department includes fixed connection's collar (31) and linking arm (33), collar (31) with base (21) coaxial rotation sets up, linking arm (33) are kept away from the one end of collar (31) with the coaxial rotation setting of splenium (32).

4. The bonding jig according to claim 2, characterized in that: drive assembly (4) are including biography power portion and power portion, pass power portion connect in power portion with between the installation department, biography power portion be used for with the power transmission of power portion extremely the installation department drives the installation department carries out circumferential movement.

5. The bonding jig according to claim 1, characterized in that: the mounting part rotates around the radial direction of the through hole (211), and the part of the mounting part corresponding to the through hole (211) is bent to form a bent part;

6. The bonding jig according to any one of claims 1 to 5, characterized in that: the number of the through holes (211) is multiple, and the number of the pressing pieces (3) is multiple and corresponds to the through holes (211) one by one.

7. The bonding jig according to claim 6, characterized in that: at least one driving component (4) is used for driving the mounting parts on at least two pressing parts (3) to rotate.

8. The bonding jig according to claim 1, characterized in that: the pressure welding fixture further comprises a lifting assembly (5), the lifting assembly (5) is used for pushing the workpiece to be attached to the base (21), and the lifting assembly (5) and the pressing portion (32) jointly press the workpiece from two sides.

9. The bonding jig according to claim 4, characterized in that: the force transmission part comprises a connecting plate (42) and a connecting rod (43), the connecting plate (42) is connected with the output end of the power part, one end of the connecting rod (43) is fixed with the mounting part, and the other end of the connecting rod (43) is hinged with the connecting plate (42);

the power part comprises one of a cylinder (41) or a motor;

preferably, the base (21) is connected with a floating plate (26), and a cushion block (27) is arranged between the floating plate (26) and the base (21);

preferably, the base (21) is provided with a positioning pin (24).

10. A pressure welding apparatus comprising a welding machine (8), characterized in that: the pressure welding apparatus further comprises a pressure welding fixture according to any one of claims 1-9, a welding head (82) of the welding machine (8) being capable of heating directly to the workpiece welding zone through a welding channel of the pressure welding fixture.