Welding rack and high-precision intermediate-frequency seam welder

Abstract

The utility model relates to the technical field of seam welding machines, in particular to a welding machine frame and a high-precision intermediate-frequency seam welding machine, which comprises a high-precision intermediate-frequency seam welding machine main body, the bottom of the front side of the high-precision intermediate-frequency seam welding machine main body is fixedly connected with the welding machine frame, and the middle part of the welding machine frame is rotatably connected with a lower roller electrode. Moving rollers are rotationally connected to the front side and the rear side of the welding rack correspondingly, air duct openings are formed in the two sides of the welding rack correspondingly, a supporting plate is fixedly connected to the top of the front side of the high-precision medium-frequency seam welding machine body, and an air cylinder and an upper roller electrode are arranged in the middle of the supporting plate. The utility model has the advantages that the moving rollers driven by the motor are arranged on the front side and the rear side of the lower roller electrode, and when a seam welding process is carried out, the motor drives the moving rollers to rotate to assist the lower roller electrode to enable a workpiece to move at a constant speed on the welding rack, so that the constant-speed feeding of the workpiece on the seam welding machine rack is realized; and the automation degree and the precision of the seam welder are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of seam welding machines, in particular to a welding frame and a high-precision medium-frequency seam welding machine. Background Art

[0002] The medium frequency seam welding machine is a welding machine that uses weld guidance. It has the advantages of fast welding speed, small heat-affected zone, and small deformation. It uses medium frequency induction heating technology to convert electrical energy into high-frequency mechanical vibration for heating. It has the advantages of high thermal efficiency and no noise pollution.

[0003] A steel plate seam welding machine disclosed in Chinese patent CN201721138360.3 is provided with a fan which is connected to an air suction port. The fan can absorb high-temperature gas with harmful substances generated during seam welding to prevent it from being inhaled by workers, thereby solving the problem that the prior art cannot remove high-temperature gas with harmful substances. However, when performing the seam welding process, the steel plate seam welding machine does not have a feeding device for auxiliary workpieces, and manual assistance is required to move the workpiece to complete the seam welding. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a welding frame and a high-precision medium-frequency seam welding machine, which effectively solve the deficiencies of the prior art.

[0005] The purpose of the utility model is achieved through the following technical solutions:

[0006] On the one hand, the utility model provides a high-precision medium frequency seam welding machine, comprising a high-precision medium frequency seam welding machine body, a support plate is fixedly connected to the top of the front side of the high-precision medium frequency seam welding machine body, a cylinder is fixedly connected to the middle of the support plate, an upper roller is rotatably connected to the middle of the bottom of the cylinder, slide rails are provided on both sides of the front end of the high-precision medium frequency seam welding machine body, a lifting plate is slidably connected to the outer side of the slide rail, a support roller is rotatably connected to the outer side of the lifting plate, a compression spring is fixedly connected to the bottom of the lifting plate, and the bottom of the compression spring is fixedly connected to the high-precision medium frequency seam welding machine body.

[0007] On the other hand, the utility model provides a welding frame, which is a welding frame in a high-precision medium-frequency seam welding machine of the above-mentioned one aspect, and the welding frame is fixedly connected to the bottom of the front side of the main body of the high-precision medium-frequency seam welding machine, and the middle part of the welding frame is rotatably connected to a lower roller, and the front and rear sides of the welding frame are rotatably connected to movable rollers, and air duct openings are opened on both sides of the welding frame.

[0008] The above technical solution is adopted: by arranging support rollers supported by compression springs on both sides of the welding frame, it can support both sides of the workpiece, so that the workpiece remains stable during the support process, and the support rollers can be raised and lowered within a certain range, so that it can provide auxiliary support for irregularly shaped seam welding workpieces.

[0009] Optionally, the lower roller and the upper roller are both electrically connected to the main body of the high-precision medium-frequency seam welding machine, and the positions and shapes of the lower roller and the upper roller are matched.

[0010] The above technical solution is adopted: by arranging a lower roller on the welding bracket and an upper roller on the upper part, the two can cooperate to perform rolling welding on the workpiece gap, realizing continuous or intermittent pulse power transmission to form a continuous weld.

[0011] Optionally, the top height of the movable roller is equal to the top height of the lower roller, a motor is fixedly connected to one side of the movable roller, the motor is fixedly connected to the welding frame, the output ends of the motor are respectively fixedly connected to the movable rollers, and the friction coefficient between the movable roller and the seam welding workpiece is greater than two.

[0012] The above technical solution is adopted: by arranging motor-driven moving rollers on the front and rear sides of the lower rolling plate, when the seam welding process is performed, the motor drives the moving rollers to rotate, assisting the lower rolling plate to move the workpiece at a uniform speed on the welding frame, thereby realizing uniform speed feeding of the workpiece on the seam welding machine frame, and improving the automation degree and accuracy of the seam welding machine.

[0013] Optionally, a fan is fixedly connected below the air duct opening, and the airflow direction generated by the fan is downward.

[0014] The above technical solution is adopted: by arranging air duct openings with fans on both sides of the welding frame, a downward airflow is generated during the seam welding process, the air flow rate is accelerated to take away the heat generated by welding, and the cooling rate of the workpiece is increased. A pipe can be arranged at the air outlet of the fan to guide the airflow directly to the purification pool, the dust and exhaust gas generated by welding are purified, and the air quality around the welding machine is optimized.

[0015] Optionally, auxiliary wheels are provided on both the front and rear sides of the upper roller, the bottom height of the auxiliary wheels is equal to the bottom height of the upper roller, the position of the auxiliary wheels corresponds to the position of the movable roller, and the upper roller is in contact with the lower roller when the cylinder is fully extended.

[0016] The above technical solution is adopted: by arranging auxiliary wheels on both sides of the upper roller, cooperating with the moving roller to complete the clamping of the workpiece, increasing the friction between the moving roller and the workpiece, so as to facilitate the moving roller to drive the workpiece to feed during the welding process.

[0017] The utility model has the following advantages:

[0018] 1. The welding frame and the high-precision medium-frequency seam welding machine are provided with a lower roller on the welding bracket and an upper roller on the upper part, so that the two can cooperate to perform rolling welding on the gap of the workpiece, realize continuous or intermittent pulse power transmission to form a continuous weld, and by arranging motor-driven moving rollers on the front and rear sides of the lower roller, when the seam welding process is performed, the motor drives the moving roller to rotate, and assists the lower roller to make the workpiece move at a uniform speed on the welding frame, thereby realizing uniform feeding of the workpiece on the seam welding machine frame, and improving the automation degree and precision of the seam welding machine.

[0019] 2. The welding frame and the high-precision medium-frequency seam welding machine, by arranging air duct openings with fans on both sides of the welding frame, generate downward airflow during the seam welding process, accelerate the air flow rate to take away the heat generated by welding, and improve the cooling rate of the workpiece. A pipeline can be arranged at the air outlet of the fan to directly guide the airflow to the purification pool, purify the dust and exhaust gas generated by welding, and optimize the air quality around the welding machine. Auxiliary wheels are arranged on both sides of the upper roller to cooperate with the moving roller to complete the clamping of the workpiece, increase the friction between the moving roller and the workpiece, so as to facilitate the moving roller to drive the workpiece to feed during the welding process.

[0020] 3. The welding frame and the high-precision medium-frequency seam welding machine can support both sides of the workpiece by arranging support rollers supported by compression springs on both sides of the welding frame, so that the workpiece remains stable during the supporting process, and the support rollers can be raised and lowered within a certain range, so that they can provide auxiliary support for irregularly shaped seam welding workpieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0023] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure at B in the middle;

[0024] Figure 4 It is a schematic diagram of the front section structure of the utility model;

[0025] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure at C in the middle;

[0026] Figure 6 It is a schematic diagram of the side section structure of the utility model;

[0027] Figure 7 For this utility model Figure 6Schematic diagram of the enlarged structure at D in the middle.

[0028] In the figure: 1-high precision medium frequency seam welding machine body, 2-welding frame, 3-lower roller, 4-moving roller, 5-air duct opening, 6-support plate, 7-cylinder, 8-upper roller, 9-motor, 10-fan, 11-auxiliary wheel, 12-slide rail, 13-lifting plate, 14-support roller, 15-compression spring. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0030] like Figures 1 to 3 As shown, a high-precision medium-frequency seam welding machine comprises a high-precision medium-frequency seam welding machine body 1, a support plate 6 is fixedly connected to the top of the front side of the high-precision medium-frequency seam welding machine body 1, a cylinder 7 is fixedly connected to the middle of the support plate 6, and an upper roller 8 is rotatably connected to the middle of the bottom of the cylinder 7.

[0031] Embodiment 1: Both sides of the front end of the main body 1 of the high-precision medium frequency seam welding machine are provided with slide rails 12, the outer side of the slide rails 12 is slidably connected with a lifting plate 13, the outer side of the lifting plate 13 is rotatably connected with a support roller 14, the bottom of the lifting plate 13 is fixedly connected with a compression spring 15, and the bottom of the compression spring 15 is fixedly connected to the main body 1 of the high-precision medium frequency seam welding machine. By arranging support rollers 14 lifted by compression springs 15 on both sides of the welding frame 2, it can support both sides of the workpiece, so that the workpiece remains stable during the support process, and the support rollers 14 can be raised and lowered within a certain range, so that it can provide auxiliary support for irregularly shaped seam welding workpieces.

[0032] like Figures 4 to 7 As shown, a welding frame is the welding frame 2 in the above-mentioned high-precision medium-frequency seam welding machine. The welding frame 2 is fixedly connected to the bottom of the front side of the main body 1 of the high-precision medium-frequency seam welding machine. The middle part of the welding frame 2 is rotatably connected to a lower roller 3, and the front and rear sides of the welding frame 2 are rotatably connected to movable rollers 4. Air duct openings 5 ​​are opened on both sides of the welding frame 2.

[0033] For a welding frame, there are the following embodiments:

[0034] Embodiment 2: The lower roller 3 and the upper roller 8 are both electrically connected to the main body 1 of the high-precision medium-frequency seam welding machine. The positions and shapes of the lower roller 3 and the upper roller 8 are adapted to each other. By arranging the lower roller 3 on the welding bracket 2 and arranging the upper roller 8 on the upper part, the two can cooperate to perform rolling welding on the workpiece gap, realizing continuous or intermittent pulse power supply to form a continuous weld.

[0035] Embodiment 3: The top height of the moving roller 4 is equal to the top height of the lower roller 3. A motor 9 is fixedly connected to one side of the moving roller 4. The motor 9 is fixedly connected to the welding frame 2. The output ends of the motor 9 are respectively fixedly connected to the moving roller 4. The friction coefficient between the moving roller 4 and the seam welding workpiece is greater than two. By arranging moving rollers 4 driven by motors 9 on the front and rear sides of the lower roller 3, when the seam welding process is performed, the motor 9 drives the moving roller 4 to rotate, and assists the lower roller 3 to make the workpiece move at a uniform speed on the welding frame 2, thereby realizing uniform feeding of the workpiece on the seam welding machine frame, thereby improving the automation degree and accuracy of the seam welding machine.

[0036] Embodiment 4: A fan 10 is fixedly connected below the air duct opening 5, and the airflow direction generated by the fan 10 is downward. By arranging the air duct opening 5 with the fan 10 on both sides of the welding frame 2, a downward airflow is generated during the seam welding process, which speeds up the air flow rate to take away the heat generated by welding and improves the cooling rate of the workpiece. In addition, a pipe can be arranged at the air outlet of the fan 10 to guide the airflow directly to the purification pool, purify the dust and exhaust gas generated by welding, and optimize the air quality around the welding machine.

[0037] Embodiment 5: Auxiliary wheels 11 are provided on both the front and rear sides of the upper roller 8, and the bottom height of the auxiliary wheels 11 is equal to the bottom height of the upper roller 8. The position of the auxiliary wheels 11 corresponds to the position of the movable roller 4. When the cylinder 7 is fully extended, the upper roller 8 is in contact with the lower roller 3. By providing auxiliary wheels 11 on both sides of the upper roller 8, the auxiliary wheels 11 cooperate with the movable roller 4 to clamp the workpiece, thereby increasing the friction between the movable roller 4 and the workpiece, thereby facilitating the movable roller 4 to drive the workpiece to feed during the welding process.

[0038] The working principle of the utility model is as follows:

[0039] S1. A moving roller 4 driven by a motor 9 is arranged on both sides of the front and rear of the lower roller 3. When the seam welding process is performed, the motor 9 drives the moving roller 4 to rotate, and assists the lower roller 3 to move the workpiece on the welding frame 2 at a uniform speed, thereby realizing uniform feeding of the workpiece on the seam welding machine frame, and improving the automation degree and accuracy of the seam welding machine;

[0040] S2. Support rollers 14 supported by compression springs 15 are arranged on both sides of the welding frame 2, so that they can support both sides of the workpiece, so that the workpiece remains stable during the supporting process, and the support rollers 14 can be raised and lowered within a certain range, so that they can provide auxiliary support for irregularly shaped seam welding workpieces.

[0041] Compared with the prior art, the present invention has the following beneficial effects:

[0042] 1. The welding frame and the high-precision medium-frequency seam welding machine are provided with a lower roller 3 on the welding bracket 2 and an upper roller 8 on the upper part, so that the two can cooperate to perform rolling welding on the workpiece gap, realize continuous or intermittent pulse power transmission to form a continuous weld, and by arranging a moving roller 4 driven by a motor 9 on the front and rear sides of the lower roller 3, when the seam welding process is performed, the motor 9 drives the moving roller 4 to rotate, and assists the lower roller 3 to make the workpiece move at a uniform speed on the welding frame 2, thereby realizing uniform feeding of the workpiece on the seam welding machine frame, and improving the automation degree and precision of the seam welding machine.

[0043] 2. The welding frame and the high-precision medium-frequency seam welding machine, by arranging air duct openings 5 ​​with fans 10 on both sides of the welding frame 2, generate downward airflow during the seam welding process, accelerate the air flow rate to take away the heat generated by welding, and improve the cooling rate of the workpiece, and can be provided with a pipeline at the air outlet of the fan 10 to directly guide the airflow to the purification pool, purify the dust and exhaust gas generated by welding, and optimize the air quality around the welding machine. Auxiliary wheels 11 are arranged on both sides of the upper roller 8 to cooperate with the moving roller 4 to complete the clamping of the workpiece, increase the friction between the moving roller 4 and the workpiece, so as to facilitate the moving roller 4 to drive the workpiece to feed during the welding process.

[0044] 3. The welding frame and the high-precision medium-frequency seam welding machine can support both sides of the workpiece by arranging support rollers 14 supported by compression springs 15 on both sides of the welding frame 2, so that the workpiece remains stable during the support process, and the support rollers 14 can be raised and lowered within a certain range, so that they can provide auxiliary support for irregularly shaped seam welding workpieces.

Claims

1. A high-precision medium-frequency seam welding machine, characterized in that: It includes a high-precision medium frequency seam welding machine body, the bottom of the front side of the high-precision medium frequency seam welding machine body is fixedly connected to a welding frame, the top of the front side of the high-precision medium frequency seam welding machine body is fixedly connected to a support plate, the middle of the support plate is fixedly connected to a cylinder, the middle of the bottom of the cylinder is rotatably connected to an upper roller, slide rails are provided on both sides of the front end of the high-precision medium frequency seam welding machine body, the outer side of the slide rails is slidably connected to a lifting plate, the outer side of the lifting plate is rotatably connected to a support roller, the bottom of the lifting plate is fixedly connected to a compression spring, and the bottom of the compression spring is fixedly connected to the high-precision medium frequency seam welding machine body.

2. A welding frame, characterized in that: The welding frame is used for a high-precision medium-frequency seam welding machine as described in claim 1, wherein the welding frame is fixedly connected to the bottom of the front side of the main body of the high-precision medium-frequency seam welding machine, the middle part of the welding frame is rotatably connected to a lower roller, the front and rear sides of the welding frame are rotatably connected to movable rollers, and air duct openings are opened on both sides of the welding frame.

3. A welding frame according to claim 2, characterized in that: The lower roller and the upper roller are both electrically connected to the main body of the high-precision medium-frequency seam welding machine, and the positions and shapes of the lower roller and the upper roller are matched.

4. A welding frame according to claim 3, characterized in that: The top height of the movable roller is equal to the top height of the lower roller. A motor is fixedly connected to one side of the movable roller. The motor is fixedly connected to the welding frame. The output ends of the motor are respectively fixedly connected to the movable rollers. The friction coefficient between the movable roller and the seam welding workpiece is greater than two.

5. A welding frame according to claim 4, characterized in that: A fan is fixedly connected below the air duct opening, and the airflow direction generated by the fan is downward.

6. A welding frame according to claim 5, characterized in that: Auxiliary wheels are arranged on both the front and rear sides of the upper roller, the bottom height of the auxiliary wheels is equal to the bottom height of the upper roller, the position of the auxiliary wheels corresponds to the position of the moving roller, and the upper roller contacts the lower roller when the cylinder is fully extended.

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