Positioning tool for intelligent welding

Abstract

The positioning tool for intelligent welding comprises a base, a left-right moving mechanism, a front-back telescopic clamping mechanism, a limiting mechanism and a lifting mechanism, the front-back telescopic clamping mechanism comprises two front-back telescopic clamping units, and the two front-back telescopic clamping units are installed on the left-right moving mechanism in a bilateral symmetry mode; the lifting mechanism is located between the two front-back telescopic clamping units and installed on the base. Each front-back telescopic clamping unit comprises a moving frame, a bracket and a first electric push rod, the limiting mechanism comprises two limiting units, the two limiting units are installed on the two front-back telescopic clamping units correspondingly, each limiting unit comprises a transverse plate, an insertion plate, a limiting plate, a second electric push rod and a distance sensor, and the distance sensor is connected with the main control panel. The main control board is connected with the left-right moving mechanism, the first electric push rod, the second electric push rod and the lifting mechanism. The positioning tool for intelligent welding is good in stability and applicability, and the clamping position can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of welding positioning, in particular to a positioning tool for intelligent welding. Background Art

[0002] In the manufacturing process, welding technology is needed to weld and fix the related parts. In the welding process, the parts need to be fixed, and square tube (or solid) parts are used more. However, the commonly used positioning structure can only perform simple clamping, and the clamping position cannot be adjusted, the stability is poor, and the applicability is poor. Summary of the invention

[0003] In order to overcome the defects of the prior art, the utility model provides an intelligent welding positioning tool with good stability, good applicability and adjustable clamping position.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A positioning tool for intelligent welding comprises a base, a left-right moving mechanism, a front-and-back telescopic clamping mechanism, a limiting mechanism and a lifting mechanism, wherein the left-and-right moving mechanism is installed on the base, the front-and-back telescopic clamping mechanism comprises two front-and-back telescopic clamping units, the two front-and-back telescopic clamping units are installed on the left-and-right moving mechanism symmetrically, and the lifting mechanism is located between the two front-and-back telescopic clamping units and is installed on the base; each front-and-back telescopic clamping unit comprises a moving frame, a bracket and a first electric push rod, the rear end of the moving frame is installed on the left-and-right moving mechanism so as to be movable left-and-right, the rear end of the bracket is movably connected with the front end of the moving frame, a first clamping block is provided on the front end of the bracket, a second clamping block is provided on the front end of the bracket, the first electric push rod is located below the bracket, and its two ends are respectively connected to the moving frame and the bracket;

[0006] The limiting mechanism includes two limiting units, which are respectively mounted on the two front and rear telescopic clamping units, each limiting unit includes a transverse plate, an insert plate, a limiting plate, a second electric push rod and a distance sensor, the transverse plate is located outside the corresponding bracket and one end of the transverse plate is mounted on the bracket, the limiting plate is mounted on the other end of the transverse plate so as to be movable left and right through the insert plate, the two ends of the second electric push rod are respectively connected to the limiting plate and the bracket, and the distance sensor is mounted on the limiting plate;

[0007] The distance sensor is connected to the main control board, and the main control board is respectively connected to the left and right moving mechanism, the first electric push rod, the second electric push rod and the lifting mechanism. The square cross-section workpiece to be positioned is placed on the bracket and the lifting mechanism at the same time. The first clamping block and the second clamping block clamp the square cross-section workpiece to be positioned, and the limiting plates of the two limiting units limit the two ends of the square cross-section workpiece to be positioned.

[0008] Furthermore, the left-right moving mechanism includes a vertical frame, two guide frames, a dual-axis motor, two screws and two nuts. The vertical frame is installed on the rear part of the base, and the two guide frames are symmetrically installed on the vertical frame. The dual-axis motor is installed on the vertical frame. The two screws are respectively connected to the two motor shafts of the dual-axis motor, and the two screws are rotatably installed on the corresponding guide frames. The two nuts are respectively installed on the two screws, and a left-right moving pair is formed between the nuts and the screws; the rear ends of the moving frames of the two front and rear telescopic clamping units are respectively connected to the two nuts, and the threads on the two screws have opposite rotation directions. The dual-axis motor is connected to the main control board.

[0009] Furthermore, the lifting mechanism includes a pallet, two telescopic rods and a third electric push rod. The pallet is located between the brackets of the two front and rear telescopic clamping units, and the left and right ends of the pallet are connected to the front of the base through the two telescopic rods. The third electric push rod is located between the two telescopic rods, and the upper and lower ends of the third electric push rod are respectively connected to the pallet and the base; the square cross-section workpiece to be positioned is placed on the pallet and the bracket at the same time, and the third electric push rod is connected to the main control panel.

[0010] The beneficial effects of the utility model are mainly manifested in:

[0011] 1. The setting of the front and rear telescopic clamping mechanism and the limiting mechanism can be applied to square workpieces with different cross sections and different lengths, and the utility model is intelligent. Before clamping, the limiting plate can limit the two ends of the square workpiece through the movement of the mobile frame, so that the square workpiece is symmetrically placed on the two brackets, which is convenient for subsequent welding. The two distance sensors can detect the distance between the limiting plate and the end of the square workpiece, so as to determine the range of movement of the two mobile frames. If it is found that the bracket and the mobile frame affect the welding during the welding process, the position of the mobile frame can be adjusted, and the depth of the insertion plate into the cross plate can be adjusted by the second electric push rod to expose the position to be welded.

[0012] 2. The third electric push rod can move the pallet upward so that the upper surface of the pallet is coplanar with the plane of the square workpiece lifted by the bracket, which can withstand a certain pressure and has good stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present utility model will be described clearly and completely below in conjunction with the accompanying drawings.

[0015] Reference Figure 1 As shown, a positioning tool for intelligent welding includes a base 1, a left-right moving mechanism, a front-to-back telescopic clamping mechanism, a limiting mechanism and a lifting mechanism, wherein the left-to-right moving mechanism is installed on the base 1, and the front-to-back telescopic clamping mechanism includes two front-to-back telescopic clamping units, and the two front-to-back telescopic clamping units are installed on the left-to-right moving mechanism symmetrically, and the lifting mechanism is located between the two front-to-back telescopic clamping units, and is installed on the base 1; each front-to-back telescopic clamping unit includes a moving frame 16, a bracket 110 and a first electric push rod 18, the rear end of the moving frame 16 is installed on the left-to-right moving mechanism so as to be movable left-to-right, the rear end of the bracket 110 is movably connected with the front end of the moving frame 16, a first clamping block is provided on the front end of the bracket 110, and a second clamping block is provided on the front end of the bracket 110, and the first electric push rod 18 is located below the bracket 110, and its two ends are respectively connected to the moving frame 16 and the bracket 110;

[0016] The limiting mechanism includes two limiting units, which are respectively mounted on the two front and rear telescopic clamping units, each limiting unit includes a transverse plate 2, an inserting plate 21, a limiting plate 22, a second electric push rod 23 and a distance sensor 24, the transverse plate 2 is located outside the corresponding bracket 110 and one end of the transverse plate 2 is mounted on the bracket 110, the limiting plate 22 is mounted on the other end of the transverse plate 2 through the inserting plate 21 so as to be movable left and right, the two ends of the second electric push rod 23 are respectively connected to the limiting plate 22 and the bracket 110, and the distance sensor 24 is mounted on the limiting plate 22;

[0017] The distance sensor 24 is connected to the main control board, and the main control board is respectively connected to the left and right moving mechanism, the first electric push rod 18, the second electric push rod 23 and the lifting mechanism. The square cross-section workpiece to be positioned is placed on the bracket 110 and the lifting mechanism at the same time, and the first clamping block and the second clamping block clamp the square cross-section workpiece to be positioned, and the limiting plates 22 of the two limiting units limit the two ends of the square cross-section workpiece to be positioned. The square cross-section workpiece is such as a square tube.

[0018] Furthermore, the left-right moving mechanism includes a vertical frame 11, two guide frames 13, a dual-axis motor 12, two screws 15 and two nuts. The vertical frame 11 is installed on the rear part of the base 1, and the two guide frames 13 are symmetrically installed on the vertical frame 11. The dual-axis motor 12 is installed on the vertical frame 11. The two screws 15 are respectively connected to the two motor shafts of the dual-axis motor 12, and the two screws 15 are rotatably installed on the corresponding guide frames 13. The two nuts are respectively installed on the two screws 15, and a left-right moving pair is formed between the nuts and the screws 15; the rear ends of the moving frames 16 of the two front and rear telescopic clamping units are respectively connected to the two nuts, the threads on the two screws 15 have opposite rotation directions, and the dual-axis motor 12 is connected to the main control board.

[0019] Furthermore, the lifting mechanism includes a pallet 31, two telescopic rods and a third electric push rod 3, the pallet 31 is located between the brackets 110 of the two front and rear telescopic clamping units, and the left and right ends of the pallet 31 are connected to the front of the base 1 through the two telescopic rods, the third electric push rod 3 is located between the two telescopic rods, and the upper and lower ends of the third electric push rod 3 are respectively connected to the pallet 31 and the base 1; the square cross-section workpiece to be positioned is placed on the pallet 31 and the bracket 110 at the same time, and the third electric push rod 3 is connected to the main control board.

[0020] The dual-axis motor 12 is installed on the rear side of the vertical frame 11, and the left and right ends of each screw 15 are rotatably installed on the corresponding guide frame 13 through the bearing seat 14. The movable frame 16 slides left and right in the corresponding guide frame 13. The dual-axis motor 12 drives the two front and rear telescopic clamping units to move left and right, which is used to position square workpieces with different cross-section lengths.

[0021] A first bottom block 17 is fixedly installed at the bottom of the movable frame 16, a second bottom block 19 is fixedly installed at the bottom of the bracket 110, and the front and rear ends of the first electric push rod 18 are respectively connected to the second bottom block 19 and the first bottom block 17. The first electric push rod 18 can adjust the distance between the bracket 110 and the movable frame 16 to facilitate the positioning of square workpieces with different cross sections.

[0022] The limit plate 22 can limit the left and right ends of the square cross-section workpiece, so that the square cross-section workpiece can be placed and fixed symmetrically; one end of the cross plate 2 is fixedly connected to the front of the bracket 110, and one end of the plug plate 21 is inserted into the other end of the cross plate 2, and a left and right moving pair is formed between the plug plate 21 and the cross plate 2, and the other end of the plug plate 21 is fixedly connected to the limit plate 22; the second electric push rod 23 is used to adjust the depth of the plug plate 21 inserted into the cross plate 2; the distance sensor 24 transmits the detection information to the main control board, and the main control board can control the dual-axis motor 12 and the second electric push rod 23.

[0023] The lifting mechanism is installed on the front of the base 1, and the two telescopic rods are arranged symmetrically. Each telescopic rod is composed of a vertical rod 32 and a column 33. The lower end of the column 33 is inserted into the upper end of the vertical rod 32 to improve the stability of the support plate 31. The lower end of the vertical rod 32 is fixed to the base 1, and the upper end of the column 33 is fixedly connected to the bottom of the support plate 31. The third electric push rod 3 is set below the middle of the support plate 31. The square-section workpiece to be positioned is placed on the support plate 31 and the bracket 110 at the same time. The support plate 31 can lift the middle part of the square-section workpiece;

[0024] The working principle of the utility model is as follows: the main control board can control the dual-axis motor, the first electric push rod 18, the second electric push rod 23 and the third electric push rod respectively; the square-section workpiece to be positioned can be placed on the bracket 110 and the support plate 31, and before or after placement, the dual-axis motor 12 is started to drive the two screws 15 to rotate, thereby driving the two moving frames 16 to move toward each other, and the two first electric push rods 18 are started, and the bracket 110 can be extended and retracted forward and backward relative to the moving frame 16, so that the first clamping block and the second clamping block clamp the square-section workpiece to be positioned. Before clamping, the limit plate 22 can limit the two ends of the square-section workpiece through the left and right movement of the moving frame 16, so that the square-section workpiece is symmetrically placed on the two The two distance sensors 24 can detect the distance between the limit plate 22 and the end of the square workpiece, and transmit the distance information to the main control board, so as to determine the left and right movement range of the two movable frames 16, which is more intelligent. When it is found that the bracket 110 and the movable frame 16 affect the welding during the welding process, the main control board controls the dual-axis motor to adjust the position of the movable frame 16, and the second electric push rod 23 can also be used to adjust the depth of the insertion plate 21 into the cross plate 2 to expose the position that needs to be welded, which is more convenient; starting the third electric push rod 3 can move the support plate 31 upward, so that the upper surface of the support plate 31 is coplanar with the plane of the support plate 31 for lifting the square workpiece, can withstand a certain pressure, and has good stability.

Claims

1. A positioning tool for intelligent welding, characterized in that: The invention comprises a base, a left-right moving mechanism, a front-and-back telescopic clamping mechanism, a limiting mechanism and a lifting mechanism, wherein the left-and-right moving mechanism is installed on the base, the front-and-back telescopic clamping mechanism comprises two front-and-back telescopic clamping units, the two front-and-back telescopic clamping units are installed on the left-and-right moving mechanism symmetrically, and the lifting mechanism is located between the two front-and-back telescopic clamping units and is installed on the base; each front-and-back telescopic clamping unit comprises a moving frame, a bracket and a first electric push rod, the rear end of the moving frame is installed on the left-and-right moving mechanism so as to be movable left-and-right, the rear end of the bracket is movably connected with the front end of the moving frame front-and-back, a first clamping block is provided on the front end of the bracket, a second clamping block is provided on the front end of the bracket, the first electric push rod is located below the bracket, and its two ends are respectively connected with the moving frame and the bracket; The limiting mechanism includes two limiting units, which are respectively mounted on the two front and rear telescopic clamping units, each limiting unit includes a transverse plate, an insert plate, a limiting plate, a second electric push rod and a distance sensor, the transverse plate is located outside the corresponding bracket and one end of the transverse plate is mounted on the bracket, the limiting plate is mounted on the other end of the transverse plate so as to be movable left and right through the insert plate, the two ends of the second electric push rod are respectively connected to the limiting plate and the bracket, and the distance sensor is mounted on the limiting plate; The distance sensor is connected to the main control board, and the main control board is respectively connected to the left and right moving mechanism, the first electric push rod, the second electric push rod and the lifting mechanism. The square cross-section workpiece to be positioned is placed on the bracket and the lifting mechanism at the same time. The first clamping block and the second clamping block clamp the square cross-section workpiece to be positioned, and the limiting plates of the two limiting units limit the two ends of the square cross-section workpiece to be positioned.

2. The intelligent welding positioning tool as claimed in claim 1, characterized in that: The left-right moving mechanism includes a vertical frame, two guide frames, a double-axis motor, two screws and two nuts. The vertical frame is installed on the rear part of the base, and the two guide frames are symmetrically installed on the vertical frame. The double-axis motor is installed on the vertical frame. The two screws are respectively connected to the two motor shafts of the double-axis motor, and the two screws are rotatably installed on the corresponding guide frames. The two nuts are respectively installed on the two screws, and a left-right moving pair is formed between the nuts and the screws; the rear ends of the moving frames of the two front and rear telescopic clamping units are respectively connected to the two nuts, and the threads on the two screws have opposite rotation directions. The double-axis motor is connected to the main control board.

3. An intelligent welding positioning tool as claimed in claim 1 or 2, characterized in that: The lifting mechanism includes a pallet, two telescopic rods and a third electric push rod. The pallet is located between the brackets of the two front and rear telescopic clamping units, and the left and right ends of the pallet are connected to the front of the base through the two telescopic rods. The third electric push rod is located between the two telescopic rods, and the upper and lower ends of the third electric push rod are respectively connected to the pallet and the base; the square-section workpiece to be positioned is placed on the pallet and the bracket at the same time, and the third electric push rod is connected to the main control panel.

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