CN204308455U - A kind of movable welding platform - Google Patents

Abstract

The utility model relates to a mobile welding platform, comprising: a vertical sliding mechanism and a horizontal sliding mechanism, the vertical sliding mechanism includes a vertical ball screw pair and two vertical polished rods arranged between the upper and lower fixing seats, There is a vertical slider; the horizontal sliding mechanism includes: a horizontal fixed plate, the first and second support plates perpendicular to it are arranged at both ends of the horizontal fixed plate; and the horizontal lead screw pair and the horizontal Polished rod, the horizontal screw pair is equipped with a horizontal slider; the horizontal fixed plate on the horizontal sliding mechanism is installed on the vertical slider on the vertical sliding mechanism, and the horizontal driving motor and the vertical driving motor are respectively connected to the horizontal screw and the vertical screw. motor. Through the vertical polished rod and horizontal polished rod on the welding platform, the horizontal slider slides smoothly along the two horizontal polished rods; the balance and stability of the movement of the entire welding platform are increased, and the accuracy of welding seam tracking is improved.

Description

A mobile welding platform

technical field

The utility model relates to the field of welding machine robots, in particular to a mobile welding platform.

Background technique

Welding robots have been widely used in the automobile manufacturing industry, welding of automobile chassis, seat frame, guide rail, muffler and hydraulic torque converter, etc., especially in the welding production of automobile chassis; the welding torch moving on the welding platform Balance and stability play a decisive role in the quality of the weld. The balance and stability of the existing welding platform movement are poor, making it difficult to control the balance in the welding seam tracking. The overall balance of the mobile welding platform lower.

Utility model content

The utility model provides a mobile welding platform to improve the balance and stability of the welding platform movement.

In order to solve the above technical problems, the utility model provides a mobile welding platform, including a vertical sliding mechanism and a horizontal sliding mechanism,

The vertical sliding mechanism includes: upper and lower fixing seats, a vertical ball screw pair is arranged between the upper and lower fixing seats, the vertical ball screw pair includes a vertical screw and a vertical ball nut, and the vertical screw wears Through the upper and lower fixing seats, between the upper and lower fixing seats, the vertical ball nut is provided with a vertical slider; between the upper and lower fixing seats, there are two parallel first , the second vertical polished rod, the two vertical polished rods are parallel to the vertical lead screw and are respectively located on both sides of the vertical lead screw, the two vertical polished rods pass through the vertical slider and are slidably connected;

The horizontal sliding mechanism includes: a horizontal fixing plate, the first and second support plates perpendicular to the horizontal fixing plate are arranged at both ends; a horizontal ball screw pair, and the horizontal ball screw pair includes a horizontal screw and a horizontal A ball nut, the horizontal lead screw passes through the centers of the first and second support plates and is parallel to the horizontal fixing plate, between the first and second support plates, the horizontal ball nut is provided with Horizontal slider; at least two parallel horizontal polished rods are also arranged between the first and second support plates, and the two horizontal polished rods are parallel to the horizontal lead screw and are respectively located on both sides of the horizontal lead screw. side, the two horizontal polished rods pass through the horizontal slider and are slidably connected;

The horizontal fixing plate is fixedly connected with the vertical slider, and a horizontal driving motor and a vertical driving motor are respectively connected to the horizontal screw and the vertical screw.

The beneficial effects of the utility model are: through the two vertical polished rods on the vertical sliding mechanism, the vertical ball screw pair drives the vertical slider and makes the vertical slider slide smoothly along the two vertical polished rods; The two horizontal polished rods on the top, the horizontal ball screw pair drives the horizontal slider, and makes the horizontal slider slide smoothly along the two horizontal polished rods; it increases the balance and stability of the movement of the entire welding platform, and the welding seam is tracked and welded The accuracy is improved.

Further, the two horizontal polished rods and the horizontal lead screw are distributed in an isosceles triangle on the vertical section of the horizontal slider, and the two horizontal polished rods are located above the horizontal lead screw.

The beneficial effect of adopting the above-mentioned further scheme is: the force on the horizontal slider is balanced; the horizontal polished rod is located above the horizontal screw, which reduces the pressure on the horizontal screw, and the horizontal drive motor can drive the horizontal screw with less driving power. The rotation of the bar reduces the power consumption of the electrodes.

Further, the vertical sliding mechanism also includes a third vertical polished rod passing through the vertical slider, and the three vertical polished rods are separated by the first and second vertical polished rods on the vertical section of the vertical slider. The connecting line between them is the bottom edge, which is distributed in an isosceles triangle, and the connection position between the vertical slider and the groove of the horizontal fixing plate is set on the two isosceles sides of the isosceles triangle.

The beneficial effect of adopting the above-mentioned further scheme is: an isosceles triangle is formed by the third vertical polished rod and the first and second vertical polished rods, and the vertical slider slides smoothly on the three vertical polished rods; The groove connection position is set on the two isosceles sides of the isosceles triangle, so that the center of the force is at the center of gravity of the triangle, the three vertical polished rods are balanced in force, and the balance and stability of the vertical slider movement are better.

Further, the connection between the horizontal polished rod and the horizontal slider, and between the vertical polished rod and the vertical slider is through linear bearings.

The beneficial effect of adopting the above further solution is that the linear bearing has small frictional resistance, high precision and fast movement, so that the movement of the welding platform can obtain high-precision and smooth movement.

Further, a pressing block is also included, and the pressing block fixes and connects the horizontal fixing plate to the vertical sliding block.

The beneficial effect of adopting the above further solution is that: the horizontal fixing plate is fixed on the vertical slider by the pressing block, and the relative position of the horizontal sliding mechanism on the vertical slider can be adjusted arbitrarily.

Further, the horizontal slide block is provided with welding torch installation threaded holes for installing the welding torch bracket.

The beneficial effect of adopting the above further solution is that the threaded hole for installing the welding torch facilitates installation and adjusts the position of the welding torch bracket.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of vertical sliding mechanism of the present utility model,

Fig. 2 is the three-dimensional structure schematic diagram of the horizontal sliding mechanism of the present utility model,

Fig. 3 is a schematic structural view of Embodiment 1 of the mobile welding platform of the present invention,

Fig. 4 is a schematic structural diagram of Embodiment 2 of the mobile welding platform of the present invention.

In the accompanying drawings, the list of parts represented by each label is as follows:

1. Upper fixing seat, 11. Lower fixing seat, 2. Vertical lead screw, 21. Vertical ball nut, 3. The first vertical polished rod, 31. The second vertical polished rod, 32. The third vertical polished rod, 33. Vertical linear bearing , 4, vertical slider, 41, groove connection position, 42, groove threaded hole, 5, vertical drive motor, 6, horizontal fixing plate, 61, first support plate, 62, second support plate, 63, horizontal Fixed plate through hole, 7, horizontal lead screw, 71, horizontal ball nut, 8, horizontal polished rod, 81, horizontal linear bearing, 9, horizontal slider, 91, welding torch mounting threaded hole, 10, horizontal drive motor, 110, pressure piece

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Refer to Fig. 1 for the schematic diagram of the three-dimensional structure of the vertical sliding mechanism of the present utility model, including upper and lower fixing seats 1, 11, and a vertical ball screw pair is arranged between the upper and lower fixing seats 1, 11, and the vertical ball screw pair includes a vertical screw Bar 2 and vertical ball nut 21, the two ends of vertical lead screw 2 pass through upper and lower fixing seats 1, 11, and upper fixing seat 1 is provided with vertical driving motor 5, and vertical driving motor 5 links with vertical leading screw 2, The vertical ball nut 21 is provided with a vertical slide block 4; two first and second vertical polished rods 3,31 parallel to each other are also arranged between the upper and lower fixed seats 1,11, and the two vertical polished rods 3,31 are aligned with the vertical The lead screw 2 is parallel and located on both sides of the vertical lead screw 2 respectively. The two vertical polished rods 3, 31 pass through the vertical slider 4 through the vertical linear bearing 33. A third vertical polished rod 32 is also provided, and the third vertical polished rod 32 passes through the vertical slider 4. The vertical linear bearing 33 passes through the vertical slide block 4 and is parallel to the first and second vertical polished rods 3,31. The connecting line between the polished rods 3 and 31 is the bottom edge, which is distributed in an isosceles triangle; on the vertical slider 4, the two isosceles sides of the waist triangle are provided with groove connections for installing the horizontal fixing plate of the horizontal sliding mechanism The position 41 is provided with a groove threaded hole 42 on the groove connecting position 41 .

Refer to Fig. 2 for the schematic diagram of the three-dimensional structure of the horizontal sliding mechanism of the present utility model, including a horizontal fixed plate 6, and the two ends of the horizontal fixed plate 6 are provided with first and second support plates 61, 62 perpendicular thereto; also include a horizontal ball screw pair , the horizontal ball screw pair includes a horizontal screw 7 and a horizontal ball nut 71, the horizontal screw 7 passes through the center of the first and second support plates 61, 62, and is parallel to the horizontal fixed plate 6, the first support plate 61 The outside is provided with a horizontal drive motor 10, and the horizontal drive motor 10 is linked with the horizontal lead screw 7; between the first and second support plates 61, 62, and on the horizontal ball nut 71, a horizontal slider 9 is arranged, and on the horizontal slider 9 A welding torch mounting threaded hole 91 for installing a welding torch bracket is provided; two horizontal polished rods 8 parallel to each other are also provided between the first and second support plates 61, 62, and the two horizontal polished rods 8 are parallel to the horizontal lead screw 7 and parallel to each other. Located on both sides of the horizontal screw 7, it is distributed in an isosceles triangle on the vertical section of the horizontal slider 9. Two horizontal polished rods 8 are located above the horizontal screw 7; slider9.

Refer to Fig. 3 for the structural diagram of Embodiment 1 of the mobile welding platform of the present invention. The horizontal fixed plate 6 on the horizontal sliding mechanism is installed on the vertical slider 4 through the groove threaded hole 42 on the groove connection position 41 on the vertical sliding mechanism. ; The vertical lead screw pair and the horizontal lead screw pair in the utility model are all selected SFU-16-05-R model, C5 grade precision.

When the welding platform is working, when the welding platform needs to move up and down, the vertical screw 2 is driven to rotate by the vertical drive motor 5. Due to the effect of the vertical ball nut 21, the vertical slider 4 on the vertical ball nut 21 is driven to move between the three vertical polished rods 3, 31, 32 slide smoothly, and drive the horizontal sliding mechanism installed on the vertical slider 4 to slide vertically up and down as a whole; Drive the horizontal slider 9 on the horizontal ball nut 71 to slide horizontally on the two horizontal polished rods 8 . The balance and stability of the movement of the entire welding platform are increased, and the accuracy of welding seam tracking is improved.

Refer to Fig. 4 for the structural schematic diagram of the second embodiment of the mobile welding platform of the present invention. Compared with the first embodiment, the horizontal fixed plate 6 on the horizontal sliding mechanism is arranged on the groove connection position 41 on the vertical sliding mechanism, and through the pressing block 110 is installed on the vertical slide block 4, and the pressure block 110 is tightened with the vertical slide block 4 by screws, and the relative position of the horizontal slide mechanism on the vertical slide block can be adjusted arbitrarily, so as to achieve the purpose of "stepless" position adjustment.

The mobile welding platform of this utility model has been introduced in detail above, and the principle and implementation of this utility model have been explained by using specific examples in this paper. The description of the above embodiments is only used to help understand the core idea of this utility model; at the same time, For those of ordinary skill in the art, according to the idea of the utility model, there will be changes in the specific implementation and scope of application. In summary, the content of this specification should not be construed as limiting the utility model.

Claims (6)

1. A mobile welding platform, characterized in that, comprises a vertical slide mechanism and a horizontal slide mechanism, The vertical sliding mechanism includes: upper and lower fixing seats, a vertical ball screw pair is arranged between the upper and lower fixing seats, the vertical ball screw pair includes a vertical screw and a vertical ball nut, and the vertical screw wears Through the upper and lower fixing seats, between the upper and lower fixing seats, the vertical ball nut is provided with a vertical slider; between the upper and lower fixing seats, there are two parallel first , the second vertical polished rod, the two vertical polished rods are parallel to the vertical lead screw and are respectively located on both sides of the vertical lead screw, the two vertical polished rods pass through the vertical slider and are slidably connected; The horizontal sliding mechanism includes: a horizontal fixing plate, the first and second support plates perpendicular to the horizontal fixing plate are arranged at both ends; a horizontal ball screw pair, and the horizontal ball screw pair includes a horizontal screw and a horizontal A ball nut, the horizontal lead screw passes through the centers of the first and second support plates and is parallel to the horizontal fixing plate, between the first and second support plates, the horizontal ball nut is provided with Horizontal slider; at least two parallel horizontal polished rods are also arranged between the first and second support plates, and the two horizontal polished rods are parallel to the horizontal lead screw and are respectively located on both sides of the horizontal lead screw. side, the two horizontal polished rods pass through the horizontal slider and are slidably connected; The horizontal fixing plate is fixedly connected with the vertical slider, and a horizontal driving motor and a vertical driving motor are respectively connected to the horizontal screw and the vertical screw. 2. The mobile welding platform according to claim 1, characterized in that, the two horizontal polished rods and the horizontal lead screw are distributed in an isosceles triangle on the vertical section of the horizontal slider, and the two horizontal polished rods Located above the horizontal lead screw. 3. The mobile welding platform according to claim 1 or 2, characterized in that, the vertical sliding mechanism also includes a third vertical polished rod passing through the vertical slider, and the three vertical polished rods pass through the vertical sliding block. On the vertical section of the block, with the connection line between the first and second vertical polished rods as the base, it is distributed in an isosceles triangle, and the connection position between the vertical slider and the groove of the horizontal fixing plate is located On the two isosceles sides of the above isosceles triangle. 4 . The mobile welding platform according to claim 3 , wherein the connection between the horizontal polished rod and the horizontal slider, and between the vertical polished rod and the vertical slider is through linear bearings. 5. The mobile welding platform according to claim 1, further comprising a pressing block, the pressing block fixedly connects the horizontal fixing plate to the vertical slider. 6 . The mobile welding platform according to claim 4 , wherein the horizontal slide block is provided with a welding torch installation threaded hole for installing a welding torch bracket. 7 .