Electrode cap replacing mechanism

Abstract

The utility model discloses an electrode cap replacing mechanism, which belongs to the technical field of electrode caps and comprises a bottom plate, a square tube is fixedly connected to the top surface of the bottom plate, a servo motor is fixedly mounted on the bottom surface of the bottom plate, an output shaft of the servo motor extends to an inner cavity of the square tube and is fixedly connected with a screw, and a lifting column is sleeved on the outer side of the screw in a threaded manner. The top end of the lifting column extends to the top of the square pipe and is provided with an angle adjusting mechanism. According to the cap replacing device, the cap replacing mechanism can be driven to move through the self-locking trundles, meanwhile, the cap replacing mechanism is fixed to a proper position through the self-locking function of the self-locking trundles, the screw rod is driven to rotate through the servo motor, and the lifting column and the cap replacing device are driven to move up and down through threaded fit between the screw rod and the lifting column. Therefore, the height of the cap replacing equipment is adjusted, and the cap replacing equipment can disassemble, assemble and replace electrode caps with different heights.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electrode cap, more specifically, relate to a kind of electrode cap changing mechanism. BACKGROUND

[0002] Electrode cap is a kind of welding electrode for resistance welding equipment, mainly used in fixed spot welder, suspension spot welder and robot spot welder and other equipment.Electrode cap service life is not immutable, but is influenced by multiple factors, under ideal conditions, the life of electrode cap is usually about 6 months, so electrode needs to be regularly capped.

[0003] Through retrieval, the utility model patent with disclosure number CN216780637U discloses a cap changing all-in-one machine, which comprises a base body and a clamping part mounted on the base body. The clamping part includes a base and clamping jaws rotatably mounted on the base. The number of clamping jaws is multiple, and the multiple clamping jaws are arranged in a ring shape. The clamping jaws include a clamping surface for clamping workpieces. The clamping surface is provided with serrations. The serrations include stripe lines away from the clamping surface. The stripe lines are inclinedly arranged. By arranging serrations on the clamping surface, greater biting force can be provided than a flat surface structure, thereby increasing the friction force. The inclined stripe lines can increase the contact area, thereby increasing the friction force. On the other hand, the inclined stripe lines can also generate a radial force and a force opposite to the movement direction of the welding gun, further ensuring that the clamping jaws tightly clamp the electrode cap. The cap changing all-in-one machine has the advantages of stable clamping of the electrode cap by the clamping jaws, improved success rate of cap changing, and reduced labor and material costs.

[0004] However, the above-mentioned patent still has the following disadvantages: it is inconvenient to move, and it is not convenient to directly transport the device to the electrode cap changing place. It is also inconvenient to adjust the height, and only electrodes of a specific height can be capped. Some electrodes are arranged horizontally, and the above-mentioned structure can only replace the electrode cap of vertically arranged electrode rods, which has poor practicability. Therefore, we propose an electrode cap changing mechanism. UTILITY MODEL CONTENT

[0005] In view of the problems existing in the prior art, the utility model aims to provide an electrode cap changing mechanism.

[0006] To solve the above problems, the utility model adopts the following technical scheme:

[0007] An electrode cap changing mechanism comprises a bottom plate, a square tube is fixedly connected to the top surface of the bottom plate, a servo motor is fixedly installed on the bottom surface of the bottom plate, the output shaft of the servo motor extends into the inner cavity of the square tube and is fixedly connected with a screw rod, a lifting column is sleeved with external threads on the outer side of the screw rod, the top end of the lifting column extends to the top of the square tube and is provided with an angle adjusting mechanism, a cap changing device is arranged on the angle adjusting mechanism, and a plurality of self-locking casters are fixedly installed on the bottom surface of the bottom plate.

[0008] As a preferred scheme of the utility model, the angle adjusting mechanism includes a support seat fixedly connected to the top end of the lifting column, the top surface of the support seat is fixedly connected with two support frames, a turnover frame is rotatably connected between the two support frames, the end of the turnover frame is connected with the cap changing device, a band brake motor is fixedly installed on the outer side of one support frame, the output shaft of the band brake motor is connected with one end of the rotation shaft of the turnover frame, and an annular angle ruler is arranged on the outer side of the other support frame, and the other end of the rotation shaft of the turnover frame extends to the outer side of the other support frame and is fixedly connected with a pointer.

[0009] As a preferred scheme of the utility model, the control panel is electrically connected with the servo motor, the band brake motor and the cap changing device.

[0010] As a preferred scheme of the utility model, the top surface of the bottom plate is fixedly connected with a power supply box, the inner cavity of the power supply box is provided with a lithium battery, and the lithium battery is electrically connected with the control panel, the servo motor, the band brake motor and the cap changing device.

[0011] As a preferred scheme of the utility model, the outer side of the square tube is fixedly installed with a push handle.

[0012] As a preferred scheme of the utility model, the side surface of the lifting column is attached to the inner wall of the square tube.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) In the utility model, the self-locking caster can drive the cap changing mechanism to move, the self-locking function of the self-locking caster can fix the cap changing mechanism to a suitable position, the servo motor can drive the screw rod to rotate, the lifting column and the cap changing device can move up and down through the thread cooperation between the screw rod and the lifting column, thereby the height of the cap changing device can be adjusted, and the cap changing device can conveniently disassemble and replace the electrode cap of different heights.

[0015] (2) In the utility model, the support seat, the support frame, the turnover frame, the band brake motor, the annular angle ruler and the pointer are used in cooperation, the band brake motor can drive the turnover frame to rotate, the turnover frame can drive the cap changing device to rotate, the cap changing device can be in a horizontal or vertical state, and the electrode cap of the vertically or horizontally arranged electrode rod can be replaced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an overall structural schematic view of the utility model;

[0017] Figure 2 It is an overall sectional view schematic view of the utility model;

[0018] Figure 3 It is the cross section schematic view of the power supply box of the utility model;

[0019] Figure 4 It is the structure schematic view of the support frame of the utility model.

[0020] Explanation of reference numerals in the drawing:

[0021] 1, bottom plate; 2, square tube; 3, servo motor; 4, screw rod; 5, lifting column; 6, angle adjusting mechanism; 7, cap changing equipment; 8, self-locking castor; 9, control panel; 10, support seat; 11, support frame; 12, turnover frame; 13, brake motor; 14, ring angle gauge; 15, pointer; 16, push handle; 17, power supply box; 18, lithium battery. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] In the description of the utility model, it should be explained that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawing, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, or can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Embodiment:

[0026] Please refer to Figures 1-4The utility model relates to an electrode cap changing mechanism, including bottom plate 1, the top surface fixed connection of bottom plate 1 has square tube 2, the bottom surface fixed mounting of bottom plate 1 has servo motor 3, the output shaft of servo motor 3 extends to the inner chamber of square tube 2 and is fixedly connected with screw rod 4, the outside screw thread of screw rod 4 is sleeved with lifting column 5, the top end of lifting column 5 extends to the top of square tube 2 and is provided with angle adjusting mechanism 6, is provided with cap changing equipment 7 on angle adjusting mechanism 6, the bottom surface fixed mounting of bottom plate 1 has a plurality of self-locking trundle 8.

[0027] In the embodiment, the bottom surface of the servo motor 3 is higher than the bottom end of the self-locking trundle 8, which ensures that the self-locking trundle 8 does not affect the servo motor 3 when moving the mechanism. In addition, the cap changing device 7 is a prior art, and the clamping part on the cap changing device 7 can disassemble and assemble the electrode cap on the electrode rod.

[0028] Specifically, please refer to Figure 1 , Figure 3 and Figure 4 , the angle adjusting mechanism 6 includes a support seat 10 fixedly connected to the top end of the lifting column 5, the top surface of the support seat 10 is fixedly connected with two support frames 11, the two support frames 11 are rotatably connected with a turnover frame 12, the end of the turnover frame 12 is connected with the cap changing device 7, a brake motor 13 is fixedly installed on the outside of one support frame 11, the output shaft of the brake motor 13 is connected with one end of the rotation shaft of the turnover frame 12, an annular protractor 14 is provided on the outside of the other support frame 11, the other end of the rotation shaft of the turnover frame 12 extends to the outside of the other support frame 11 and is fixedly connected with a pointer 15.

[0029] In the embodiment, the cooperation of the annular protractor 14 and the pointer 15 controls the angle of the overall rotation of the turnover frame 12 and the cap changing device 7.

[0030] Specifically, please refer to Figure 1 and Figure 3 , the control panel 9 is fixedly installed on the outside of the square tube 2, and the control panel 9 is electrically connected with the servo motor 3, the brake motor 13 and the cap changing device 7 respectively.

[0031] In the embodiment, the control panel 9 is used to control the servo motor 3, the brake motor 13 and the cap changing device 7.

[0032] Specifically, please refer to Figure 1 and Figure 3 , the top surface of the bottom plate 1 is fixedly connected with a power supply box 17, and the inner cavity of the power supply box 17 is provided with a lithium battery 18, and the lithium battery 18 is electrically connected with the control panel 9, the servo motor 3, the brake motor 13 and the cap changing device 7 respectively.

[0033] In the embodiment, the lithium battery 18 is used to supply power to the control panel 9, the servo motor 3, the brake motor 13 and the cap changing device 7.

[0034] Specifically, please refer to Figure 1 The outer side of the square tube 2 is fixedly provided with a push handle 16.

[0035] In this embodiment, the cap changing mechanism is pushed by the push handle 16, so as to move to a suitable position.

[0036] Specifically, please refer to Figure 2 The side of the lifting column 5 is in close contact with the inner wall of the square tube 2.

[0037] In this embodiment, the inner wall of the square tube 2 limits the lifting column 5, so that the lifting column 5 can only move along the axial direction of the screw rod 4.

[0038] Working principle: in use, first, the push handle 16 is pushed to drive the mechanism to move to the position of the electrode cap changing, then when the vertical electrode rod needs to be changed, the brake motor 13 drives the turnover frame 12 and the cap changing device 7 to rotate, so that the cap changing device 7 is in a horizontal state, when the horizontal electrode rod needs to be changed, the brake motor 13 drives the turnover frame 12 and the cap changing device 7 to rotate, so that the cap changing device 7 is in a vertical state, and the cooperation of the ring angle ruler 14 and the pointer 15 controls the angle of the cap changing device 7, then the servo motor 3 drives the screw rod 4 to rotate, and the lifting column 5, the supporting frame 11 and the cap changing device 7 move up and down through the thread cooperation between the screw rod 4 and the lifting column 5, so as to adjust the height of the cap changing device 7, so that the position of the clamping and dismounting part and the motor cap on the cap changing device 7 is aligned, finally, the electrode cap on the electrode rod is dismounted and installed by the cap changing device 7.

[0039] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An electrode cap changing mechanism comprising a base plate (1), characterized in that: The top surface of the bottom plate (1) is fixedly connected with a square tube (2), the bottom surface of the bottom plate (1) is fixedly installed with a servo motor (3), the output shaft of the servo motor (3) extends to the inner cavity of the square tube (2) and is fixedly connected with a screw rod (4), the outer side of the screw rod (4) is threadedly sleeved with a lifting column (5), the top end of the lifting column (5) extends to the top of the square tube (2) and is provided with an angle adjusting mechanism (6), the angle adjusting mechanism (6) is provided with a cap changing device (7), and the bottom surface of the bottom plate (1) is fixedly installed with a plurality of self-locking casters (8).

2. The electrode cap changing mechanism according to claim 1, characterized by: The angle adjusting mechanism (6) comprises a supporting seat (10) fixedly connected to the top end of the lifting column (5), the top surface of the supporting seat (10) is fixedly connected with two supporting frames (11), and a turnover frame (12) is rotatably connected between the two supporting frames (11); the end of the turnover frame (12) is connected with the cap changing device (7); one supporting frame (11) is fixedly installed with a band brake motor (13) on the outer side; the output shaft of the band brake motor (13) is connected with one end of the rotation shaft of the turnover frame (12); the other supporting frame (11) is provided with an annular angle scale (14) on the outer side; the other end of the rotation shaft of the turnover frame (12) extends to the outer side of the other supporting frame (11) and is fixedly connected with a pointer (15).

3. The electrode cap changing mechanism according to claim 2, characterized by: The outer side of the square tube (2) is fixedly installed with a control panel (9), and the control panel (9) is electrically connected with the servo motor (3), the band brake motor (13) and the cap changing device (7) respectively.

4. The electrode cap changing mechanism according to claim 3, characterized by: The top surface of the bottom plate (1) is fixedly connected with a power supply box (17), and the inner cavity of the power supply box (17) is provided with a lithium battery (18); the lithium battery (18) is electrically connected with the control panel (9), the servo motor (3), the band brake motor (13) and the cap changing device (7) respectively.

5. The electrode cap changing mechanism according to claim 1, characterized by: The outer side of the square tube (2) is fixedly installed with a push hand (16).

6. The electrode cap changing mechanism according to claim 1, characterized by: The side surface of the lifting column (5) is in close contact with the inner wall of the square tube (2). The top surface of the bottom plate (1) is fixedly connected with a power supply box (17), and the inner cavity of the power supply box (17) is provided with a lithium battery (18); the lithium battery (18) is electrically connected with the control panel (9), the servo motor (3), the band brake motor (13) and the cap changing device (7) respectively.

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