CN213196069U - Multi-station butt-welding machine - Google Patents

Abstract

The application relates to the field of welding equipment, in particular to a multi-station butt-joint welding machine, which comprises a welding machine body, wherein a cross beam is arranged on the welding machine body, and a lifting base is arranged below the cross beam; a plurality of driving cylinders are arranged on the cross beam, a piston rod in each driving cylinder moves downwards, and an electrode column is fixed at the bottom end of each piston rod; the lifting base is provided with a plate electrode and a travel switch. The welding device has the effect of simultaneously welding a plurality of welding spots to improve the machining efficiency.

Description

Multi-station butt-welding machine

Technical Field

The application relates to the field of welding equipment, in particular to a multi-station butt welding machine.

Background

The butt welding machine is a resistance welding machine, when it works, two electrodes press the workpiece to make two layers of metals form a certain contact resistance under the pressure of two electrodes, and when the welding current flows from one electrode to the other electrode, the instantaneous thermal welding is formed at the contact resistance point.

At present, when a steel bar is welded by a butt-welding machine, one steel bar is fixed on a fixing seat, the other steel bar is fixed on a sliding seat, the sliding seat moves and enables the two steel bars to mutually abut against each other, and current passes through the steel bars, so that the contact part of the two steel bars is melted and forms heat fusion to complete welding work.

In view of the above-mentioned related art, the inventor believes that when welding is performed on a plurality of positions on the same workpiece, welding is required for each welding point, and the machining efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to facilitate welding a plurality of solder joints simultaneously, the application provides a multistation butt-joint machine.

The application provides a multistation butt-joint machine adopts following technical scheme:

a multi-station butt welding machine comprises a welding machine body, wherein a cross beam is arranged on the welding machine body, and a lifting base is arranged below the cross beam; a plurality of driving cylinders are arranged on the cross beam, a piston rod in each driving cylinder moves downwards, and an electrode column is fixed at the bottom end of each piston rod; the lifting base is provided with a plate electrode and a travel switch.

Through adopting above-mentioned technical scheme, during the welding, place the work piece between lifting pedestal and crossbeam, a plurality of actuating cylinders work that drive make each drive the electrode column downstream that corresponds on the actuating cylinder, lifting pedestal upward movement supports the work piece, and a plurality of electrode columns support the work piece on the plate electrode, carry out welding operation to a plurality of positions on the work piece. For the mode of welding each solder joint, this scheme has improved machining efficiency greatly.

Optionally, a sliding groove is arranged on the side wall of the cross beam, and the sliding groove is horizontally arranged; a plurality of sliding seats are arranged in the sliding groove, and each driving cylinder is fixed on the corresponding sliding seat.

Through adopting above-mentioned technical scheme, slide the sliding seat in the spout to the position of removal drive actuating cylinder makes whole device adapt to different work pieces.

Optionally, a coating edge is arranged on the cross beam and at a position close to the sliding groove, and the coating edge coats a part, located in the sliding groove, of the corresponding sliding seat; each sliding seat is provided with a threaded through hole, and each threaded through hole is internally provided with a fastening bolt.

Through adopting above-mentioned technical scheme, rotate and support tight bolt, make the bottom of butt bolt support the inside wall of spout, the part that the sliding seat is located the spout can support the cladding limit for the sliding seat is fixed in the spout.

Optionally, a threaded hole is formed in the upper surface of the electrode column, and the electrode column is connected to the piston rod of the corresponding driving cylinder through threads.

Through adopting above-mentioned technical scheme, install the electrode column on driving actuating cylinder with detachable mode to in the electrode column of change damage.

Optionally, the bottom of the electrode column is provided with a plurality of electrode needles.

By adopting the technical scheme, the contact area of the electrode needle and the workpiece is smaller than that of the electrode column, and a good welding effect can be obtained when welding spots are welded.

Optionally, a lifting cylinder is arranged at the bottom of the lifting base, and a piston rod of the lifting cylinder moves in the vertical direction.

Through adopting above-mentioned technical scheme, lifting pedestal can be through lift cylinder upward movement, and when the welding, the pretightning force can be applyed to lifting pedestal to the lift cylinder for lifting pedestal supports the work piece, can obtain better welding effect during the welding.

Optionally, the number of the lifting cylinders is two, and the pair of lifting cylinders is symmetrically arranged around the vertical center line of the lifting base.

Through adopting above-mentioned technical scheme, the lift cylinder that the symmetry set up can exert a pair of symmetrical power to the lifting pedestal, makes the lifting pedestal rise comparatively steadily or descend.

Optionally, a pair of guide holes is formed in the lifting base, and a guide pillar is arranged in each guide hole.

By adopting the technical scheme, the guide pillar is used for assisting the lifting base to vertically ascend or descend, and the dislocation of the lifting base is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the plurality of driving cylinders are arranged on the cross beam, so that the plurality of driving cylinders can be used for welding different positions of a workpiece at the same time, and the machining efficiency is improved;

2. through will driving actuating cylinder setting on the sliding seat, the sliding seat is at the gliding mode of spout for driving actuating cylinder can the adjusting position, with the different welding position of adaptation.

Drawings

FIG. 1 is a general schematic view of a multi-station spot-weld machine according to an embodiment of the present application;

fig. 2 is a matching relation diagram of the driving cylinder and the cross beam.

Description of reference numerals: 1. a welder body; 2. a cross beam; 3. a driving cylinder; 4. a lifting base; 21. a chute; 22. a sliding seat; 221. a threaded through hole; 222. tightly abutting against the bolt; 23. coating edges; 31. an electrode column; 311. a threaded hole; 32. an electrode needle; 41. an electrode plate; 42. a travel switch; 43. a lifting cylinder; 44. fixing a column; 45. a guide hole; 46. and (6) a guide pillar.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses multistation butt-joint machine. Referring to fig. 1, the multi-station butt-welding machine comprises a welding machine body 1, wherein a cross beam 2 is arranged on the welding machine body 1, and a lifting base 4 is arranged below the cross beam 2. A plurality of driving cylinders 3 are arranged on the beam 2, and an electrode column 31 is connected to a piston rod of each driving cylinder 3. An electrode plate 41 is fixed on the upper surface of the lifting base 4, and a travel switch 42 is further arranged on the lifting base 4 and on one side of the electrode plate 41. When multi-point welding is carried out on a workpiece, the workpiece is placed between the lifting base 4 and the cross beam 2, the plurality of driving cylinders 3 enable the corresponding electrode columns 31 to move downwards, the lifting base 4 moves upwards, the plurality of electrode columns 31 press the workpiece on the electrode plate 41, multi-position spot welding operation is carried out on the workpiece, and after the electrode columns 31 reach a determined position, the travel switch 42 sends out a signal to enable the electrode columns 31 to move upwards, so that the welding operation is completed.

Referring to fig. 1, a sliding groove 21 is formed on a side wall of the cross beam 2, and the sliding groove 21 is horizontally disposed. A plurality of sliding seats 22 are arranged in the sliding chute 21, the sliding seats 22 correspond to the driving cylinders 3 one by one, and each driving cylinder 3 is fixed on the corresponding sliding seat 22 through a bolt. The driving cylinder 3 can slide inside the chute 21 by means of a sliding seat 22 in order to adjust the welding position.

Referring to fig. 2, a covered edge 23 is disposed on the cross beam 2 and near the sliding slot 21, the covered edge 23 is connected to the side wall of the cross beam 2 through a bolt, the covered edge 23 is long, and the covered edge 23 covers the portion of the sliding seat 22 located in the sliding slot 21. Each sliding seat 22 is provided with a threaded through hole 221, and each threaded through hole 221 is provided with a fastening bolt 222. After the sliding seat 22 is adjusted to the proper position, the fastening bolt 222 is rotated to make the bottom of the fastening bolt 222 abut against the side wall of the sliding slot 21, and the portion of the sliding seat 22 located in the sliding slot 21 abuts against the side wall of the covered edge 23, so as to fix the sliding seat 22.

Referring to fig. 2, a threaded hole 311 is formed in the upper surface of each electrode column 31, each electrode column 31 is connected to the piston rod of the corresponding driving cylinder 3 through the threaded hole 311 in a threaded manner, and the piston rod of each driving cylinder 3 moves downward. The bottom of each electrode column 31 is also provided with a plurality of electrode needles 32, the electrode needles 32 are needle-shaped, when a workpiece is welded, the contact area between the electrode needles 32 and the surface of the workpiece is small, and the electrode needles 32 can form spot welding on the surface of the workpiece, so that a good welding effect is obtained.

Referring to fig. 1, the bottom of lifting base 4 is equipped with a pair of lift cylinder 43, and the bottom of each lift cylinder 43 all is equipped with fixed column 44, and each lift cylinder 43 all passes through the bolt fastening on fixed column 44, and the piston rod on each lift cylinder 43 all is fixed with the bottom of lifting base 4, and the equal vertical motion of each piston rod. The pair of lifting cylinders 43 are symmetrically arranged about the vertical center line of the lifting base 4, the piston rod of each lifting cylinder 43 moves vertically, and the symmetrically arranged lifting cylinders 43 can stably support the lifting base 4 to move up and down.

Referring to fig. 1, the lifting base 4 is further provided with a pair of guide holes 45, each guide hole 45 is provided with a guide pillar 46 therein, each guide pillar 46 is fixed on the ground, and each guide pillar 46 is vertically arranged. The guide posts 46 serve as guide elements to move the lifting base 4 in the vertical direction, thereby reducing the possibility of dislocation when the lifting base 4 is lifted.

The implementation principle of the embodiment is as follows: when a plurality of positions of a workpiece are required to be welded, the workpiece is placed between the lifting base 4 and the cross beam 2. The plurality of driving cylinders 3 on the beam 2 operate to move the corresponding electrode columns 31 on the driving cylinders 3 downward, and at the same time, the lifting cylinder 43 operates to move the lifting base 4 upward, and the lifting base 4 supports the workpiece. The plurality of electrode columns 31 are pressed down to press the workpiece against the electrode plate 41, and the current passes through the workpiece to melt the contact portion of the workpiece, thereby completing the multi-position welding work on the workpiece.

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 (8)

1. The utility model provides a multistation butt-joint machine, includes welding machine body (1), its characterized in that: a cross beam (2) is arranged on the welding machine body (1), and a lifting base (4) is arranged below the cross beam (2); a plurality of driving cylinders (3) are arranged on the cross beam (2), a piston rod in each driving cylinder (3) moves downwards, and an electrode column (31) is fixed at the bottom end of each piston rod; the lifting base (4) is provided with an electrode plate (41), and the lifting base (4) is also provided with a travel switch (42).

2. The multi-station spot welder according to claim 1, characterized in that: a sliding groove (21) is formed in the side wall of the cross beam (2), and the sliding groove (21) is horizontally arranged; a plurality of sliding seats (22) are arranged in the sliding groove (21), and each driving cylinder (3) is fixed on the corresponding sliding seat (22).

3. The multi-station spot welder according to claim 2, characterized in that: a coating edge (23) is arranged on the cross beam (2) and close to the sliding groove (21), and the coating edge (23) coats the part, located in the sliding groove (21), of the corresponding sliding seat (22); each sliding seat (22) is provided with a threaded through hole (221), and each threaded through hole (221) is internally provided with a fastening bolt (222).

4. The multi-station spot welder according to claim 1, characterized in that: the upper surface of the electrode column (31) is provided with a threaded hole (311), and the electrode column (31) is connected to a piston rod of the corresponding driving cylinder (3) in a threaded manner.

5. The multi-station spot welder according to claim 1, characterized in that: the bottom of the electrode column (31) is provided with a plurality of electrode needles (32).

6. The multi-station spot welder according to claim 1, characterized in that: the bottom of the lifting base (4) is provided with a lifting cylinder (43), and a piston rod of the lifting cylinder (43) moves along the vertical direction.

7. The multi-station spot welder according to claim 6, characterized in that: the lifting cylinders (43) are two in total, and a pair of lifting cylinders (43) are symmetrically arranged relative to the vertical central line of the lifting base (4).

8. The multi-station spot welder according to claim 1, characterized in that: a pair of guide holes (45) is formed in the lifting base (4), and a guide pillar (46) is arranged in each guide hole (45).

Images