Magnetic code pressing device with switch

Abstract

The utility model provides a magnetic code pressing device with a switch, which comprises a portal frame, a section bar fixing device and a magnetic base, the magnetic base comprises a shell, a front cover, a rear cover and an internal magnet group, and is characterized in that the shell is an iron cuboid, the magnet group is a cylindrical permanent magnet, the front side of the front cover is provided with a magnetic base switch handle, and the magnetic base switch handle is rotated to drive the magnetic base to rotate. The bottom face of the shell is provided with a magnetic attraction face and a magnetic isolation cavity, the cylindrical center longitudinal section of the magnet set serves as a separation face, the magnet set is divided into an N pole and an S pole, and when the N pole and the S pole of the magnet set are distributed left and right, due to the fact that the magnetic isolation cavity exists in the bottom of the shell, magnetic lines of force cannot be directly transmitted to the right magnetizer from the left magnetizer. When the N pole and the S pole of the magnet set are distributed up and down, no magnetic line of force passes through the interior of the workpiece to be welded, and the workpiece to be welded cannot be attracted to the bottom face of the shell. The magnetic base is provided with a switch, and the adsorption process is controllable.

Description

Technical Field

[0001] The utility model relates to the technical field of steel plate welding in industries such as shipbuilding, engineering machinery, steel structures, and large-scale machinery manufacturing, and in particular to a magnetic coding device with a switch. Background Art

[0002] In industries such as shipbuilding, engineering machinery, steel structures, and large machinery manufacturing, magnetic pressing codes are required for the joint assembly of profiles such as bulb flat steel, flat iron, and angle steel, or the position of the profile must be fixed before welding.

[0003] Utility model patent publication number CN 216462709 U discloses a magnetic press code that can be used to weld ribs to steel plates. However, the extrusion block that holds the steel plate in place has no on / off switch. After welding the ribs to the steel plate, removing the magnetic press code from the plate is difficult due to its adhesion to the welded part. This makes the process very cumbersome, inefficient, and hinders usability. Summary of the Invention

[0004] In order to conveniently remove the magnetic coding device adsorbed on the welding workpiece after the welding operation is completed, reduce workload and improve work efficiency, the utility model provides a magnetic coding device with a switch, including a gantry, a profile fixing device and a magnetic base, the magnetic base including a shell, a front cover, a rear cover and an internal magnet group, which is characterized in that the shell is an iron cuboid, the magnet group is a cylindrical permanent magnet, a horizontal cylindrical cavity is provided inside the shell, the cylindrical cavity wraps the cylindrical magnet group, and the magnet group can rotate around the axis in the cylindrical cavity, a magnetic base switch handle is provided on the front side of the front cover, and rotating the magnetic base switch handle can drive the magnet group to rotate in the shell.

[0005] The bottom surface of the shell is provided with a magnetic surface and a magnetic isolation cavity. The iron shell is further divided into a left magnetizer and a right magnetizer. The cylindrical central longitudinal section of the magnet group is used as a dividing surface, and the magnet group is divided into an N pole and an S pole. When the magnetic base switch handle is rotated, when the N pole and S pole of the magnet group are distributed left and right, the N pole is connected to the left magnetizer, and the S pole is connected to the right magnetizer. At this time, the magnetic lines of force start from the N pole and are transmitted to the left magnetizer. Due to the presence of the magnetic isolation cavity at the bottom of the shell, the magnetic lines of force cannot be directly transmitted from the left magnetizer to the right magnetizer. Instead, they pass through the magnetic surface of the left magnetizer and enter the workpiece to be welded, and then pass through the magnetic surface of the right magnetizer to the right magnetizer, and finally pass to the S pole, forming a magnetic closed loop. At this time, the workpiece to be welded is adsorbed on the bottom surface of the shell.

[0006] Turn the magnetic base switch handle. When the N pole and S pole of the magnet group are distributed up and down, the N pole and S pole are both connected to the left and right magnetizers. At this time, the magnetic lines of force are divided into two closed loops on the left and right. The left closed loop starts from the N pole and directly passes through the left magnetizer to the S pole. The right closed loop starts from the N pole and directly passes through the right magnetizer to the S pole. There is no magnetic line of force passing through the workpiece to be welded, so it cannot be adsorbed on the bottom surface of the shell.

[0007] The magnetic base switch handle is fixedly connected to the front end surface of the magnet group through a shaft head passing through the front cover. Rotating the magnetic base switch handle can drive the magnet group to rotate in the housing through the shaft head.

[0008] The left magnetizer and the right magnetizer are spliced ​​together to form the cylindrical cavity inside, and the bottom surface thereof is combined with the bottom surface of the shell, that is, the bottom surface of the magnetic seat. The bottom surfaces of the left magnetizer and the right magnetizer are both provided with a magnetic attraction surface and a magnetic isolation surface. The magnetic attraction surface is a horizontal surface, and the magnetic isolation surface is located on the inner side of the magnetic attraction surface and is an upward inclined surface. When the shell is placed vertically on the workpiece to be welded, the magnetic attraction surfaces of the left magnetizer and the right magnetizer are closely fitted with the upper plane of the workpiece to be welded. At this time, the magnetic isolation surfaces of the left magnetizer and the right magnetizer and the upper surface of the workpiece to be welded below them are combined together to form the magnetic isolation cavity at the lower part of the shell.

[0009] The magnet group is composed of two or more cylindrical magnets and connecting blocks connected to each other. The cylindrical magnets are arranged at intervals, and each adjacent two cylindrical magnets are connected by a connecting block. The connecting block is made of aluminum and is embedded between the two adjacent cylindrical magnets through grooves on both sides of the cylindrical magnets.

[0010] The gantry is composed of a horizontal scale and support rods located at both ends of the horizontal scale. The profile fixing device is located on the horizontal scale at the center of the gantry, and the magnetic seat is located at the bottom of the two support rods of the gantry.

[0011] The profile fixing device includes a nut located at the center of the horizontal scale, a screw rod passing through the nut, a top block provided at the bottom of the screw rod for fixing the profile, a ratchet wrench provided at the upper end of the screw rod and a handwheel provided at the top end of the screw rod. The nut is fixed by a nut fixing plate below the horizontal scale, and the screw rod can rise and fall inside the nut.

[0012] A portable round tube is installed on the front side of the gantry.

[0013] The support rod is provided with positioning holes on the front and side. The positioning holes on the front are used to adjust the height of the horizontal scale and thus adjust the height of the profile fixing device. The positioning holes on the side are used to adjust the direction of the support rod and thus adjust the direction of the magnetic seat. The positioning holes are fixed by a through pin shaft.

[0014] A top block fixing cover for fixing the top block is provided between the top block and the screw rod, and the positioning surface at the bottom of the top block is serrated for anti-slip.

[0015] Advantages of this utility model:

[0016] 1. The magnetic base is equipped with a switch. The adsorption and release of the magnetic adsorption surface on the welding workpiece can be controlled by the switch. After the welding operation is completed, the magnetic force can be turned off, and the magnetic coding device adsorbed on the welding workpiece can be easily removed, which reduces the workload, improves the working efficiency, and is highly practical.

[0017] 2. The handwheel can adjust the height of the screw quickly and conveniently, and the mechanical structure is easy to maintain.

[0018] 3. The serrated top block has an anti-slip effect when positioning the profile, making the positioning more secure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 This is a schematic diagram of the magnetic base of the utility model.

[0021] Figure 3 This is a schematic diagram of the magnet assembly of the utility model.

[0022] Figure 4 This is a schematic diagram of the magnetic force of the utility model when the magnetic force is opened and the workpiece to be welded is adsorbed.

[0023] Figure 5 This is a schematic diagram of the magnetic force of the utility model when the magnetic force is turned off and does not attract the workpiece to be welded.

[0024] Figure ID:

[0025] Housing; 2. Front cover; 3. Rear cover; 4. Magnet group; 5. Magnetic base switch handle; 6. Magnetic surface; 7. Magnetic isolation cavity; 8. Left magnetizer; 9. Right magnetizer; 10. N pole; 11. S pole; 12. Workpiece to be welded; 13. Shaft head; 14. Magnetic isolation surface; 15. Cylindrical magnet; 16. Connecting block; 17. Horizontal scale; 18. Support rod; 19. Screw; 20. Ejector block; 21. Ratchet wrench; 22. Handwheel; 23. Nut fixing plate; 24. Hand-held round tube; 25. Positioning hole; 26. Pin shaft; 27. Ejector block fixing cover. DETAILED DESCRIPTION

[0026] like Figures 1 to 5 As shown, the utility model provides a magnetic coding device with a switch, including a gantry, a profile fixing device and a magnetic base, the magnetic base including a shell 1, a front cover 2, a rear cover 3 and an internal magnet group 4, characterized in that the shell 1 is an iron cuboid, the magnet group 4 is a cylindrical permanent magnet, a horizontal cylindrical cavity is provided inside the shell 1, the cylindrical cavity wraps the cylindrical magnet group 4, and the magnet group 4 can rotate around the axis in the cylindrical cavity, a magnetic base switch handle 5 is provided on the front side of the front cover 2, and rotating the magnetic base switch handle 5 can drive the magnet group 4 to rotate in the shell 1.

[0027] The bottom surface of the shell 1 is provided with a magnetic surface 6 and a magnetic isolation cavity 7. The iron shell 1 is further divided into a left magnetic conductor 8 and a right magnetic conductor 9. Taking the cylindrical central longitudinal section of the magnet group 4 as the dividing plane, the magnet group 4 is divided into an N pole 10 and an S pole 11. When the magnetic base switch handle 5 is rotated, when the N pole 10 and the S pole 11 of the magnet group 4 are distributed left and right, the N pole 10 is connected to the left magnetizer 8, and the S pole 11 is connected to the right magnetizer 9. At this time, the magnetic lines of force start from the N pole 10 and are transmitted to the left magnetizer 8. Due to the presence of the magnetic isolation cavity 7 at the bottom of the shell 1, the magnetic lines of force cannot be directly transmitted from the left magnetizer 8 to the right magnetizer 9. Instead, they pass through the magnetic surface 6 of the left magnetizer 8 and enter the workpiece 12 to be welded. Then, they pass through the magnetic surface 6 of the right magnetizer 9 and are transmitted to the right magnetizer 9, and finally are transmitted to the S pole 11, forming a magnetic closed loop. At this time, the workpiece 12 to be welded is adsorbed on the bottom surface of the shell 1.

[0028] Turn the magnetic base switch handle 5. When the N pole 10 and the S pole 11 of the magnet group 4 are distributed up and down, the N pole 10 and the S pole 11 are both connected to the left magnetizer 8 and the right magnetizer 9. At this time, the magnetic lines of force are divided into two closed loops on the left and right. The left closed loop starts from the N pole 10 and is directly transmitted to the S pole 11 through the left magnetizer 8. The right closed loop starts from the N pole 10 and is directly transmitted to the S pole 11 through the right magnetizer 9. There is no magnetic line of force passing through the workpiece 12 to be welded, so it cannot be adsorbed on the bottom surface of the shell 1.

[0029] The principle of this utility model is as follows:

[0030] The manufacturing process of permanent magnets includes a magnetization step. This step involves exposing the material to a strong external magnetic field or applying an electric current to align the material's magnetic moments in the same direction, creating a permanent magnetic field. The direction of a magnet's magnetic poles depends on the direction of magnetization, or magnetization, and determining the N and S poles during magnetization is sufficient. A magnet always has an N pole and an S pole. The magnet can attract iron because of its inherent magnetic field. The magnetic field of a magnet is described by magnetic flux lines. The magnetic flux lines of a magnet are from N to S from the outside and from S to N from the inside; the magnetic flux lines of a magnet are closed curves. When analyzing a rectangular magnet, its external magnetic flux lines radiate from the N pole to the S pole, while internally, they "return" from the S pole to the N pole.

[0031] The magnetic base switch handle 5 is fixedly connected to the front end surface of the magnet group 4 via a shaft head 13 that passes through the front cover 2 .

[0032] The left magnetizer 8 and the right magnetizer 9 are spliced ​​together to form the cylindrical cavity therein, the bottom surface of which is combined with the bottom surface of the shell 1, that is, the bottom surface of the magnetic seat. The bottom surfaces of the left magnetizer 8 and the right magnetizer 9 are both provided with a magnetic attraction surface 6 and a magnetic isolation surface 14. The magnetic attraction surface 6 is a horizontal surface, and the magnetic isolation surface 14 is located on the inner side of the magnetic attraction surface 6 and is an upward inclined surface. When the shell 1 is placed vertically on the workpiece 12 to be welded, the magnetic attraction surface 6 of the left magnetizer 8 and the right magnetizer 9 is closely fitted with the upper plane of the workpiece 12 to be welded. At this time, the magnetic isolation surface 14 of the left magnetizer 8 and the right magnetizer 9 and the upper surface of the workpiece 12 to be welded below them are combined to form the magnetic isolation cavity 7 at the lower part of the shell 1.

[0033] The magnet group 4 is composed of two or more cylindrical magnets 15 and connecting blocks 16 connected to each other. The cylindrical magnets 15 are arranged at intervals, and each adjacent two cylindrical magnets 15 are connected by a connecting block 16. The connecting block 16 is made of aluminum and is embedded between two adjacent cylindrical magnets 15 through grooves on both sides of the cylindrical magnets 15.

[0034] The gantry is composed of a horizontal scale 17 and support rods 18 located at both ends of the horizontal scale 17. The profile fixing device is located on the horizontal scale 17 at the center of the gantry, and the magnetic seat is located at the bottom of the two support rods 18 of the gantry.

[0035] The profile fixing device includes a nut located at the center of the horizontal scale 17, a screw rod 19 passing through the nut, a top block 20 provided at the bottom of the screw rod 19 for fixing the profile, a ratchet wrench 21 provided at the upper end of the screw rod 19 and a handwheel 22 provided at the top end of the screw rod 19. The nut is fixed by a nut fixing plate 23 below the horizontal scale 17, and the screw rod 19 can rise and fall in the nut.

[0036] A portable round tube 24 is installed on the front of the gantry.

[0037] The support rod 18 is provided with positioning holes 25 on the front and side. The front positioning hole 25 is used to adjust the height of the horizontal scale 17 and thereby adjust the height of the profile fixing device. The side positioning hole 25 is used to adjust the direction of the support rod 18 and thereby adjust the direction of the magnetic seat. The positioning hole 25 is fixed by a through pin shaft 26.

[0038] A top block fixing cover 27 for fixing the top block 20 is provided between the top block 20 and the screw rod 19 . The positioning surface at the bottom of the top block 20 is serrated to prevent slipping.

[0039] Place the magnetic pressure code in the working position, adjust it so that the top block 20 on the positioning device is facing the profile, the magnetic surface 6 of the magnetic base is in contact with the workpiece 12 to be welded, turn on the switch on the magnetic base, fix the magnetic pressure code on the workpiece 12 to be welded, turn the ratchet wrench 21 on the positioning device to drive the screw 19 down, and fix the profile on the workpiece 12 to be welded, and perform welding or riveting. After welding is completed, the hand wheel 22 can be used to quickly move the screw 19 and the top block 20 upward

[0040] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A magnetic coding device with a switch, comprising a gantry, a profile fixing device and a magnetic base, wherein the magnetic base comprises a housing (1), a front cover (2), a rear cover (3) and an internal magnet group (4), and is characterized in that: The shell (1) is an iron cuboid, the magnet group (4) is a cylindrical permanent magnet, a horizontal cylindrical cavity is provided inside the shell (1), the cylindrical cavity wraps the cylindrical magnet group (4), and the magnet group (4) can rotate around an axis in the cylindrical cavity, and a magnetic base switch handle (5) is provided on the front side of the front cover (2), and rotating the magnetic base switch handle (5) can drive the magnet group (4) to rotate in the shell (1); The bottom surface of the shell (1) is provided with a magnetic attraction surface (6) and a magnetic isolation cavity (7). The iron shell (1) is further divided into a left magnetizer (8) and a right magnetizer (9). The cylindrical center longitudinal section of the magnet group (4) is used as a dividing surface. The magnet group (4) is divided into an N pole (10) and an S pole (11). When the magnetic base switch handle (5) is rotated, when the N pole (10) and the S pole (11) of the magnet group (4) are distributed left and right, the N pole (10) is connected to the left magnetizer (8), and the S pole (11) is connected to the right magnetizer (9). At this time, the magnetic lines of force start from the N pole (10) and are transmitted to the left magnetizer (8). , due to the presence of a magnetic isolation cavity (7) at the bottom of the shell (1), the magnetic lines of force cannot be directly transmitted from the left magnet (8) to the right magnet (9), but enter the workpiece to be welded (12) through the magnetic attraction surface (6) of the left magnet (8), and then enter the right magnet (9) through the magnetic attraction surface (6) of the right magnet (9), and finally transmit to the S pole (11), forming a magnetic closed loop. At this time, the workpiece to be welded (12) is adsorbed on the bottom surface of the shell (1); When the magnetic base switch handle (5) is turned, when the N pole (10) and the S pole (11) of the magnet group (4) are distributed up and down, the N pole (10) and the S pole (11) are both connected to the left magnetizer (8) and the right magnetizer (9), and the magnetic lines of force are divided into two closed loops on the left and right. The closed loop on the left side is directly transmitted from the N pole (10) to the S pole (11) through the left magnetizer (8), and the closed loop on the right side is directly transmitted from the N pole (10) to the S pole (11) through the right magnetizer (9). No magnetic lines of force pass through the workpiece (12) to be welded, and it cannot be adsorbed on the bottom surface of the shell (1).

2. The magnetic coding device with a switch according to claim 1, characterized in that: The magnetic base switch handle (5) is fixedly connected to the front end surface of the magnet group (4) via a shaft head (13) that passes through the front cover (2).

3. The magnetic coding device with a switch according to claim 1, characterized in that: The left magnet (8) and the right magnet (9) are spliced ​​together to form the cylindrical cavity inside, and the bottom surface thereof is combined with the bottom surface of the shell (1), that is, the bottom surface of the magnetic seat. The bottom surfaces of the left magnet (8) and the right magnet (9) are both provided with a magnetic attraction surface (6) and a magnetic isolation surface (14). The magnetic attraction surface (6) is a horizontal surface, and the magnetic isolation surface (14) is located on the inner side of the magnetic attraction surface (6) and is an inclined surface inclined upward. When the shell (1) is vertically placed on the workpiece (12) to be welded, the magnetic attraction surfaces (6) of the left magnet (8) and the right magnet (9) are closely fitted with the upper plane of the workpiece (12) to be welded. At this time, the magnetic isolation surfaces (14) of the left magnet (8) and the right magnet (9) and the upper surface of the workpiece (12) to be welded below them are combined together to form the magnetic isolation cavity (7) at the lower part of the shell (1).

4. The magnetic coding device with a switch according to claim 1, characterized in that: The magnet group (4) is composed of two or more cylindrical magnets (15) and connecting blocks (16) connected to each other. The cylindrical magnets (15) are arranged at intervals, and each two adjacent cylindrical magnets (15) are connected by a connecting block (16). The connecting block (16) is made of aluminum and is embedded between two adjacent cylindrical magnets (15) through grooves on both sides of the cylindrical magnets (15).

5. The magnetic coding device with a switch according to claim 1, characterized in that: The gantry is composed of a horizontal scale (17) and support rods (18) located at both ends of the horizontal scale (17); the profile fixing device is located on the horizontal scale (17) at the center of the gantry; and the magnetic seat is located at the bottom of the two support rods (18) of the gantry.

6. The magnetic coding device with a switch according to claim 5, characterized in that: The profile fixing device includes a nut located at the center of the horizontal scale (17), a screw rod (19) passing through the nut, a top block (20) provided at the bottom of the screw rod (19) for fixing the profile, a ratchet wrench (21) provided at the upper end of the screw rod (19), and a handwheel (22) provided at the top end of the screw rod (19). The nut is fixed by a nut fixing plate (23) below the horizontal scale (17), and the screw rod (19) can rise and fall in the nut.

7. The magnetic coding device with a switch according to claim 1, characterized in that: A portable round tube (24) is installed on the front of the gantry.

8. The magnetic coding device with a switch according to claim 5, characterized in that: The support rod (18) is provided with positioning holes (25) on the front and side. The positioning hole (25) on the front is used to adjust the height of the horizontal scale (17), thereby adjusting the height of the profile fixing device. The positioning hole (25) on the side is used to adjust the direction of the support rod (18) and thereby adjust the direction of the magnetic seat. The positioning hole (25) is fixed by a pin shaft (26).

9. The magnetic coding device with a switch according to claim 6, characterized in that: A top block fixing cover (27) for fixing the top block (20) is provided between the top block (20) and the screw rod (19), and a positioning surface at the bottom of the top block (20) is serrated for anti-slip.

Images