CN116140774A - Quick-change electrode structure integrating positioning and clamping functions - Google Patents

Abstract

The invention relates to a quick-change electrode structure integrating positioning and clamping functions, which comprises an electrode seat assembly and an electrode, wherein the electrode is arranged below the electrode seat assembly, a workpiece positioning and clamping mechanism is arranged below the electrode seat assembly, the workpiece positioning and clamping mechanism comprises a mounting seat, a limiting block, a micro cylinder mounting plate, a micro cylinder and a movable clamping block, one end of the mounting seat is provided with the limiting block, the other end of the mounting seat is provided with the micro cylinder mounting plate, the bottom of the micro cylinder mounting plate is provided with the micro cylinder, a position avoidance groove is arranged in the middle of the electrode, a workpiece is placed in the position avoidance groove, the micro cylinder drives the movable clamping block to move, the movable clamping block gradually approaches the limiting block, the movable clamping block and the limiting block are matched to position and clamp the workpiece, so that welding precision is ensured.

Description

A quick-change electrode structure with integrated positioning and clamping functions

technical field

The invention relates to the field of welding equipment, in particular to a quick-change electrode structure with integrated positioning and clamping functions.

Background technique

In the prior art, the electrode used for welding the workpiece vacated in the middle as shown in Figure 1 usually has no positioning and clamping function. The worker directly places the workpiece on the material to be welded or the manipulator places the workpiece on the material to be welded. Then start the welding equipment and energize the electrodes for welding. The disadvantage of this method is that the position of the workpiece cannot be guaranteed, and the welding accuracy is low. At the same time, because the electrode has high requirements for the position accuracy of the workpiece, a slight deviation may cause damage to the electrode or the workpiece. Therefore, Some people have added a positioning clamping device to the electrode to clamp the workpiece, but the unreasonable structural design of the positioning clamping device of the existing electrode blocks the electrode, resulting in the electrode not being able to be removed and replaced quickly, and the electrode cannot be ground at the same time.

Contents of the invention

In view of the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is how to make the welding electrode suitable for the middle vacated workpiece better clamp and position the workpiece, make it easier to disassemble and assemble, and the electrode can be ground. The specific technical solution is as follows:

A quick-change electrode structure with integrated positioning and clamping functions, including an electrode holder assembly and an electrode, an electrode is installed under the electrode holder assembly, and a workpiece positioning and clamping mechanism is installed under the electrode holder assembly, and the workpiece positioning and clamping mechanism includes Mounting seat, limit block, micro cylinder mounting plate, micro cylinder, mobile clamping block, one end of the mounting seat is installed with a limit block and the other end is installed with a micro cylinder mounting plate, the bottom of the micro cylinder mounting plate is installed with a micro cylinder, and the piston rod of the micro cylinder Connect the moving clamping block, the moving clamping block and the limiting block are located outside the electrode, the electrode is provided with an avoidance groove, and the moving clamping block and the limiting block are facing the avoiding groove.

As a preferred solution of the present invention, the mounting seat is a C-shaped seat with one end long and the other short. There is a mounting groove under the electrode seat assembly, and the mounting seat is placed in the mounting groove. The long end of the C-shaped seat is limited to installation. Bit block while the short end mounts the micro cylinder mounting plate.

As a preferred solution of the present invention, an insulating plate is installed between the mounting seat and the electrode seat assembly.

As a preferred solution of the present invention, the workpiece positioning and clamping mechanism also includes a positioning shaft, the positioning shaft is set in the mounting seat, the electrode is provided with a U-shaped groove, and the U-shaped groove is located above the avoidance groove.

As a preferred solution of the present invention, an oil-free bushing is installed in the mounting seat, the positioning shaft penetrates into the oil-free bushing, and the upper end of the positioning shaft is screwed with a limit screw,

As a preferred solution of the present invention, a positioning shaft nylon mounting block is installed above the mounting seat, a protective gasket is installed in the positioning shaft nylon mounting block, a spring is installed in the electrode seat assembly, and the lower end of the spring bears on the protective gasket.

As a preferred solution of the present invention, the electrode is in the shape of "π", and the left and right ends of the electrode are fixed to the bottom of the electrode holder assembly by screws. There are protrusions at the left and right ends of the bottom of the electrode, and the avoidance groove is located in the middle of the two protrusions.

As a preferred solution of the present invention, a workpiece detection mechanism is installed on the side of the electrode holder assembly, and the workpiece detection mechanism detects whether the electrode has been loaded with a workpiece.

As a preferred solution of the present invention, the workpiece detection mechanism includes a fixed seat, a horizontal adjustment shaft, a first fixed clip, a longitudinal adjustment shaft, a second fixed clip, a vertical adjustment shaft, a sensor mounting seat and a laser sensor, and an electrode seat The fixing seat is installed on the side of the component, and the fixing seat surrounds and clamps one end of the horizontal adjustment shaft, the other end of the horizontal adjustment shaft is surrounded and clamped by the first fixing clip, one end of the longitudinal adjustment shaft is surrounded and clamped by the first fixing clip, and the other end of the longitudinal adjustment shaft is surrounded and clamped by the first fixing clip. The second fixed clip surrounds and clamps, one end of the vertical adjustment shaft is surrounded and clamped by the second fixed clip, the other end of the vertical adjustment shaft is installed with a sensor mounting seat, and a laser sensor is installed at the bottom of the sensor mounting seat, and the laser sensor faces the workpiece.

As a preferred solution of the present invention, the electrode seat assembly includes an electrode seat, a horizontal adjustment plate, a horizontal adjustment bolt, a longitudinal adjustment plate, a T-shaped nut and a longitudinal adjustment bolt, and the horizontal adjustment plate is fixedly installed above the electrode seat, and the horizontal adjustment plate There are multiple waist-shaped holes, the horizontal adjustment plate is installed under the longitudinal adjustment plate through the waist-shaped hole from the bottom through the screw, the horizontal adjustment bolt is installed on the side of the longitudinal adjustment plate, and the horizontal adjustment bolt is threaded to connect the horizontal adjustment plate, and the longitudinal adjustment plate passes through Screws are connected with T-shaped nuts, and the T-shaped nuts are installed in the output end of the welding cylinder of the welding machine.

Beneficial effects: when the electrode of the present invention is working, the workpiece is put into the avoidance groove, the miniature cylinder drives the moving clamping block to move, the moving clamping block gradually approaches the limit block, and the moving clamping block and the limit block cooperate to position and clamp In addition, since the moving clamping block and the limiting block are located outside the electrode, the moving clamping block and the limiting block will not block the electrode. When the electrode needs to be ground or replaced after a period of use, the electrode can be It can be disassembled directly and quickly, with strong practicability and very convenient to use.

Description of drawings

Fig. 1 is the perspective view of workpiece of the present invention;

Fig. 2 is a perspective view of the quick-change electrode structure of the present invention;

Fig. 3 is an exploded view of the quick-change electrode structure of the present invention;

Fig. 4 is a structural sectional view of the workpiece positioning and clamping mechanism of the present invention;

Fig. 5 is a perspective view of the workpiece positioning and clamping mechanism of the present invention;

Figure 6 is a perspective view of an electrode of the present invention;

7 is a perspective view of the workpiece detection mechanism of the present invention;

Figure 8 is a perspective view of the electrode holder assembly of the present invention;

Figure 9 is an exploded view of the electrode holder assembly of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated position or element must have a specific orientation, and must have a specific orientation. construction and operation, therefore, should not be construed as limiting the invention.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention depending on the specific circumstances.

As shown in Figures 1 to 4, a quick-change electrode structure with integrated positioning and clamping functions includes an electrode holder assembly 1 and an electrode 2. The electrode 2 is installed under the electrode holder assembly 1, and a workpiece is installed under the electrode holder assembly 1. Positioning and clamping mechanism 3, described workpiece positioning and clamping mechanism 3 comprises mounting base 31, limit block 32, miniature cylinder mounting plate 33, miniature cylinder 34, mobile clamping block 35, and mounting base 31 one end installs limit block 32 and The other end installs miniature cylinder installation plate 33, miniature cylinder 34 is installed at the bottom of miniature cylinder installation plate 33, and miniature cylinder 34 is miniature guide rod cylinder, and the piston rod of miniature cylinder 34 connects movable clamping block 35, and mobile clamping block 35, limit The block 32 is located on the outside of the electrode 2, and the electrode 2 is provided with an avoidance groove 21 in the middle. The moving clamping block 35 and the limit block 32 face the avoidance groove 21. The slot 21 is used to enter the middle part of the workpiece 4, the moving clamping block 35 and the limiting block 32 clamp the middle part of the workpiece 4, and the two ends of the workpiece are in contact with the electrodes 2.

As shown in Figures 4 and 5, the mounting seat 31 is a C-shaped seat with one end long and the other end short. There is an installation groove 1a under the electrode holder assembly 1, the installation groove 1a is located above the electrode 2, and the installation seat 31 is placed in the installation groove 1a. Inside, the long end of the C-shaped seat is installed with a limit block 32 and the short end is installed with a miniature cylinder mounting plate 33, which will not affect the workpiece positioning and clamping mechanism 3 when the electrode 2 is disassembled. In addition, the mounting seat 31 and the electrode seat assembly 1 An insulating plate 36 is installed between them, and the insulating plate 36 insulates the workpiece positioning and clamping mechanism 3 from the electrode holder assembly 1 to prevent the welding effect from being affected after the welding current is shunted.

As shown in Figures 4-6, the workpiece positioning and clamping mechanism 3 also includes a positioning shaft 37, the positioning shaft 37 is set in the mounting seat 31, the electrode 2 is provided with a U-shaped groove 22, the U-shaped groove 22 is located above the avoidance groove 21, and the workpiece 4. There is a workpiece positioning groove 41 in the middle. When the workpiece 4 enters the avoidance groove 21 of the electrode 2, the positioning shaft 37 penetrates into the workpiece positioning groove 41 of the workpiece 4, and the positioning shaft 37 cooperates with the moving clamping block 35 and the limiting block 32 Thereby realize all-round positioning clamping workpiece 4.

Specifically, an oil-free bushing 38 is installed in the mounting seat 31, the positioning shaft 37 penetrates into the oil-free bushing 38, the upper end of the positioning shaft 37 is screwed with a limit screw 39, and the positioning shaft nylon mounting block 310 is installed above the mounting seat 31. , a protective gasket 311 is installed in the nylon mounting block 310 of the positioning shaft, a spring 312 is installed in the electrode holder assembly 1, and the lower end of the spring 312 bears on the protective gasket 311, the positioning shaft 37 can move up and down along the oil-free bushing 38, and the positioning shaft 37 is inserted When positioning the workpiece, it is soft positioning to prevent damage to the workpiece and the feeding mechanism.

Specifically, the electrode 2 is in the shape of "π", and the left and right ends of the electrode 2 are installed on the bottom of the electrode holder assembly 1 by screws. The left and right ends of the bottom of the electrode 2 are provided with protrusions 23, and the avoidance groove 21 is located in the middle of the two protrusions 23. , the two protrusions 23 contact the two ends of the workpiece 4 to realize welding during work.

As shown in Figures 2 and 7, a workpiece detection mechanism 5 is installed on the side of the electrode holder assembly 1, and the workpiece detection mechanism 5 detects whether the electrode 2 has been loaded with the workpiece 4, and can be energized to ensure safety when there is a workpiece. Specifically, the workpiece detection mechanism 5 includes a fixed seat 51, a horizontal adjustment shaft 52, a first fixed clip 53, a longitudinal adjustment shaft 54, a second fixed clip 55, a vertical adjustment shaft 56, a sensor mounting seat 57 and a laser sensor 58, and the electrode The side 1 of the seat assembly is installed with a fixed seat 51, the fixed seat 51 surrounds and clamps one end of the horizontal adjustment shaft 52, the other end of the horizontal adjustment shaft 52 is surrounded and clamped by the first fixed clip 53, and one end of the longitudinal adjustment shaft 54 is surrounded by the first fixed clip 53 Clamping, the other end of the longitudinal adjustment shaft 54 is surrounded and clamped by the second fixing clip 55, and one end of the vertical adjustment shaft 56 is surrounded and clamped by the second fixing clip 55. The surrounding and clamping is a common structure, which can be loosened by screws. The tightened round hole clamps the cylinder, the other end of the vertical adjustment shaft 56 is installed with a sensor mounting seat 57, the bottom of the sensor mounting seat 57 is equipped with a laser sensor 58, and the laser sensor 58 faces the electrode, and is moved by the horizontal X axis of the horizontal adjustment shaft 52 , the longitudinal Y-axis movement of the longitudinal adjustment shaft 54, and the vertical Z-axis movement of the vertical adjustment shaft 56 can realize the position adjustment of the laser sensor 58, so that the laser sensor 58 can accurately identify the presence or absence of workpieces.

As shown in Figures 8 and 9, the electrode seat assembly 1 includes an electrode seat 11, a transverse adjustment plate 12, a transverse adjustment bolt 13, a longitudinal adjustment plate 14, a T-shaped nut 15 and a longitudinal adjustment bolt 16, and the installation groove 1a is arranged on the electrode seat 11. , the horizontal adjustment plate 12 is fixedly installed above the electrode holder 11, the horizontal adjustment plate 12 is provided with a plurality of waist-shaped holes 12a, the horizontal adjustment plate 12 is installed on the bottom of the longitudinal adjustment plate 14 through the waist-shaped holes 12a by screws, and the longitudinal adjustment plate 14 Lateral adjustment bolts 13 are installed on the side, and the horizontal adjustment bolts 13 are screwed to the horizontal adjustment plate 12, and the longitudinal adjustment plate 14 is connected to the T-shaped nut 15 by screws, and the T-shaped nut 15 is installed in the output end of the welding cylinder of the welding machine. The bolt 16 is threaded to the longitudinal adjustment plate 14, and the longitudinal adjustment bolt 16 is installed on the side of the output end of the welding cylinder of the welding machine. By rotating the horizontal adjustment bolt 13 and the longitudinal adjustment bolt 16 respectively, the position of the electrode holder 11 is finally changed to adjust the electrode Location.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments. It cannot be determined that the specific implementation of the present invention is only limited to these descriptions. Under the premise, some simple deduction or replacement can also be made, which should be considered as belonging to the protection scope of the present invention.

Claims (10)

1. The utility model provides an integrated quick change electrode structure of tight function of location, includes electrode holder subassembly and electrode, electrode holder subassembly below installation electrode, its characterized in that: the workpiece positioning and clamping mechanism is further arranged below the electrode seat assembly and comprises a mounting seat, a limiting block, a micro cylinder mounting plate, a micro cylinder and a movable clamping block, wherein the limiting block is arranged at one end of the mounting seat, the micro cylinder mounting plate is arranged at the other end of the mounting seat, the micro cylinder is arranged at the bottom of the micro cylinder mounting plate, a piston rod of the micro cylinder is connected with the movable clamping block, the movable clamping block and the limiting block are positioned at the outer side of the electrode, a clearance groove is formed in the middle of the electrode, and the movable clamping block and the limiting block face the clearance groove.

2. The quick-change electrode structure integrating positioning and clamping functions as set forth in claim 1, wherein: the mounting seat is a C-shaped seat with one long end and the other short end, the lower part of the electrode seat component is provided with a mounting groove, the mounting seat is arranged in the mounting groove, the long end of the C-shaped seat is provided with a limiting block, and the short end of the C-shaped seat is provided with a miniature cylinder mounting plate.

3. The quick-change electrode structure integrating positioning and clamping functions as claimed in claim 1 or 2, wherein: an insulating plate is arranged between the mounting seat and the electrode seat assembly.

4. The quick-change electrode structure integrating positioning and clamping functions as set forth in claim 1, wherein: the workpiece positioning and clamping mechanism further comprises a positioning shaft, the positioning shaft is sleeved in the mounting seat, the electrode is provided with a U-shaped groove, and the U-shaped groove is located above the avoidance groove.

5. The quick-change electrode structure integrating positioning and clamping functions as set forth in claim 4, wherein: the oil-free bushing is arranged in the mounting seat, the positioning shaft penetrates into the oil-free bushing, and the upper end of the positioning shaft is in threaded connection with the limit screw.

6. The quick-change electrode structure integrating positioning and clamping functions as claimed in claim 4 or 5, wherein: the positioning shaft nylon mounting block is arranged above the mounting seat, the protection gasket is arranged in the positioning shaft nylon mounting block, the spring is arranged in the electrode seat assembly, and the lower end of the spring is propped against the protection gasket.

7. The quick-change electrode structure integrating positioning and clamping functions as set forth in claim 4, wherein: the electrode is pi-shaped, the left end and the right end of the electrode are mounted on the bottom of the electrode seat assembly through screws, the left end and the right end of the bottom of the electrode are provided with bulges, and the clearance groove is positioned between the two bulges.

8. The quick-change electrode structure integrating positioning and clamping functions as set forth in claim 1, wherein: and a workpiece detection mechanism is arranged on the side of the electrode seat assembly and used for detecting whether the workpiece is installed at the electrode position.

9. The quick-change electrode structure integrating positioning and clamping functions as set forth in claim 8, wherein: the workpiece detection mechanism comprises a fixed seat, a transverse adjusting shaft, a first fixing clamp, a longitudinal adjusting shaft, a second fixing clamp, a vertical adjusting shaft, a sensor mounting seat and a laser sensor, wherein the fixed seat is arranged on the side of the electrode seat assembly, the fixed seat surrounds and clamps one end of the transverse adjusting shaft, the other end of the transverse adjusting shaft is surrounded and clamped by the first fixing clamp, one end of the longitudinal adjusting shaft is surrounded and clamped by the first fixing clamp, the other end of the longitudinal adjusting shaft is surrounded and clamped by the second fixing clamp, one end of the vertical adjusting shaft is surrounded and clamped by the second fixing clamp, the sensor mounting seat is arranged on the other end of the vertical adjusting shaft, the laser sensor is arranged on the bottom of the sensor mounting seat, and the laser sensor faces to a workpiece.

10. The quick-change electrode structure integrating positioning and clamping functions as set forth in claim 1, wherein: the electrode holder assembly comprises an electrode holder, a transverse adjusting plate, a transverse adjusting bolt, a longitudinal adjusting plate, a T-shaped nut and a longitudinal adjusting bolt, wherein the transverse adjusting plate is fixedly installed above the electrode holder and provided with a plurality of waist-shaped holes, the transverse adjusting plate passes through the waist-shaped holes from below through screws and is installed below the longitudinal adjusting plate, the transverse adjusting bolt is installed on the side of the longitudinal adjusting plate, the transverse adjusting bolt is in threaded connection with the transverse adjusting plate, the longitudinal adjusting plate is connected with the T-shaped nut through screws, the T-shaped nut is installed in the output end of a welding cylinder of the welding machine, the longitudinal adjusting bolt is in threaded connection with the longitudinal adjusting plate, and the longitudinal adjusting bolt is installed on the side of the output end of the welding cylinder of the welding machine.

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