Electrode cap replacement device

Abstract

An electrode cap replacement device, comprising a mounting frame (1), a connecting base (2), a cap removal module (3) and elastic members (4), wherein the cap removal module (3) is arranged on the connecting base (2), and the connecting base (2) is connected to the mounting frame (1) by means of the elastic members (4); the cap removal module (3) is provided with a cap removal through hole (30) into which an electrode rod extends; the axis direction of the cap removal through hole (30) is a first direction (X); and in the first direction (X), one end of each elastic member (4) is connected to the mounting frame (1), and the other end is connected to the connecting base (2), that is, the connecting base (2) is flexibly connected to the mounting frame (1).

Description

Electrode cap replacement device Technical Field

[0001] The utility model relates to the technical field of electrode cap replacement, in particular to an electrode cap replacement device. Background Art

[0002] The electrode cap is a type of welding electrode and is a consumable welding part. It is mainly used in resistance welding equipment. The electrode cap is set on the electrode rod of the welding gun. After a certain number of welding operations, the electrode cap will be worn out. At this time, the welding gun needs to replace the electrode cap before continuing welding. In the related art, the electrode cap of the welding gun is replaced on an electrode cap replacement device, and the cap removal module of the electrode cap replacement device has a cap removal through-hole. When replacing the cap, the welding gun electrode rod is inserted into the cap removal through-hole to remove the electrode cap from the electrode rod. However, in the existing electrode cap replacement device, the cap removal module is rigidly connected to the device. Based on this, if the electrode rod deviates slightly from the center of the cap removal through-hole when inserted into the cap removal through-hole, the electrode rod is likely to hit the edge of the cap removal through-hole and be forcefully inserted into the cap removal through-hole, which will cause damage to the electrode rod and reduce its service life.

[0003] Utility Model Content

[0004] The primary purpose of the utility model is to reduce the damage to the electrode rod when the cap is removed.

[0005] In order to achieve the above-mentioned object, the utility model provides an electrode cap replacement device, comprising a mounting frame, a connecting seat, a cap removal module and an elastic member, wherein the cap removal module is arranged on the connecting seat, and the connecting seat is connected to the mounting frame through the elastic member;

[0006] The cap removal module has a cap removal through hole for the electrode rod to extend into. The axial direction of the cap removal through hole is a first direction. In the first direction, one end of the elastic member is connected to the mounting frame, and the other end is connected to the connecting seat.

[0007] In a specific embodiment of the present invention, the mounting frame includes a frame body and a mounting plate, the mounting plate is arranged on the frame body, and the mounting plate is perpendicular to the first direction, and the elastic member is connected to the mounting plate;

[0008] There are multiple elastic members, and the multiple elastic members are evenly arranged around the center of the mounting plate. In the first direction, the cap removal through hole is located between the multiple elastic members.

[0009] In a specific embodiment of the present invention, the mounting plate is provided with an avoidance hole penetrating along the first direction, the avoidance hole has an opening, and the opening is located on the peripheral side surface of the mounting plate; along the first direction, the cap removal through hole corresponds to the position of the avoidance hole, and the avoidance hole is used to avoid the electrode rod.

[0010] In a specific embodiment of the present invention, the elastic member is a rubber column, and the axis direction of the rubber column is parallel to the first direction.

[0011] In a specific embodiment of the present invention, the connecting base has a mounting cavity therein, and the connecting base is provided with a mounting through hole penetrating along a first direction, and the mounting through hole is connected to the mounting cavity;

[0012] The cap removal module includes a cap removal plate, a transmission assembly and a driving member. The cap removal plate is provided with the cap removal through hole. The cap removal plate is rotatably arranged in the installation through hole. The transmission assembly is arranged in the installation cavity. The transmission assembly connects the cap removal plate and the driving member. The driving member is used to drive the cap removal plate to rotate axially around the cap removal through hole so that the cap removal plate can remove the electrode cap.

[0013] In a specific embodiment of the present invention, the driving member is a cylinder;

[0014] The transmission assembly includes a first connecting rod, a second connecting rod and a connecting column, the first connecting rod has a connecting hole passing through along the first direction, and extends along the length direction of the first connecting rod, one end of the first connecting rod along the length direction is fixedly connected to the decapping plate, the length direction of the second connecting rod is the second direction, one end of the second connecting rod along the length direction is fixedly connected to the cylinder, and the other end is fixedly connected to the connecting column, the connecting column passes through the connecting hole and can slide along the length direction of the connecting hole, and the cylinder is used to drive the second connecting rod to move along the second direction;

[0015] The second direction is perpendicular to the first direction.

[0016] In a specific embodiment of the present invention, the frame includes a column and a first connecting plate, wherein the first connecting plate is arranged on the top of the column and is perpendicular to the horizontal plane, and the mounting plate is connected to the first connecting plate and is parallel to the first connecting plate;

[0017] The electrode cap replacement device further includes an air blowing pipe, which is arranged on the outer wall of the connecting seat and is used for blowing air toward the cap removal through hole.

[0018] In a specific embodiment of the present invention, the frame includes a column and a second connecting plate, the second connecting plate is arranged on the top of the column, and the second connecting plate is parallel to the horizontal plane, the mounting plate is connected to the second connecting plate, and the mounting plate is parallel to the second connecting plate.

[0019] In a specific embodiment of the present invention, a cap collecting basin is further included. The opening of the cap collecting basin faces upward. The cap collecting basin is arranged on the mounting frame and located below the cap removal through hole. The cap collecting basin is used to collect the electrode caps removed from the electrode rod.

[0020] In a specific embodiment of the present invention, it also includes a cap storage module and a detection module. The cap storage module is detachably connected to the connecting seat, and the detection module is fixedly connected to the mounting frame. The cap storage module is used to store the electrode cap to be replaced, and the detection module is used to detect whether the electrode cap of the electrode rod has been completely removed and whether the electrode cap of the electrode rod has been completely installed.

[0021] The present invention provides an electrode cap replacement device, which has the following advantages compared with the prior art:

[0022] In the electrode cap replacement device of the present invention, the cap removal module is arranged on the connecting seat, and the connecting seat is connected to the mounting frame by an elastic member, that is, the connecting seat and the mounting frame are flexibly connected. Based on this, when the welding gun replaces the electrode cap, if the electrode rod slightly deviates from the center of the cap removal through hole when inserted into the cap removal through hole along the first direction, then when the electrode rod contacts the edge of the cap removal through hole and continues to be inserted into the cap removal through hole, the connecting seat will swing a certain amplitude in a direction perpendicular to the first direction under the action of the electrode rod. At this time, the electrode rod can be smoothly inserted into the cap removal through hole, which can reduce the damage to the electrode rod during the cap removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] FIG1 is a structural diagram of an electrode cap replacement device according to an embodiment of the present invention;

[0024] FIG2 is a structural diagram of the electrode cap replacement device according to an embodiment of the present invention from another angle;

[0025] 3 is a structural diagram of the cooperation among the mounting plate, the connecting seat, the elastic member and the cap removal module according to an embodiment of the present invention;

[0026] FIG4 is a structural diagram of the coupling between the connecting seat and the cap removal module according to an embodiment of the present invention;

[0027] FIG5 is a structural diagram of another electrode cap replacement device according to an embodiment of the present invention.

[0028] In the figure, 1. mounting frame; 11. frame body; 111. column; 112. first connecting plate; 113. second connecting plate; 12. mounting plate; 121. avoidance hole; 2. connecting seat; 21. mounting cavity; 22. mounting through hole; 3. cap removal module; 30. cap removal through hole; 31. cap removal plate; 32. transmission assembly; 321. first connecting rod; 322. second connecting rod; 3211. connecting hole; 323. connecting column; 33. driving member; 4. elastic member; 5. cap collecting basin; 6. air blowing pipe; 7. cap storage module; 8. detection module; X, first direction; Y, second direction. DETAILED DESCRIPTION

[0029] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0030] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present application, the meaning of "multiple" refers to two or more, unless otherwise clearly and specifically defined.

[0031] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections, direct connections, or indirect connections through an intermediate medium; they can refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0032] In this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0033] As shown in Figures 1-4, an electrode cap replacement device of a preferred embodiment of the utility model includes a mounting frame 1, a connecting seat 2, a cap removal module 3 and an elastic member 4. The cap removal module 3 is arranged on the connecting seat 2, and the connecting seat 2 is connected to the mounting frame 1 through the elastic member 4; wherein, the cap removal module 3 has a cap removal through hole 30, and the cap removal through hole 30 is used for the electrode rod to extend therein. The axial direction of the cap removal through hole 30 is the first direction X. In the first direction X, one end of the elastic member 4 is connected to the mounting frame 1, and the other end is connected to the connecting seat 2.

[0034] Specifically, the connecting seat 2 is connected to the mounting frame 1 through the elastic member 4, that is, the connecting seat 2 and the mounting frame 1 are flexibly connected. Based on this, when the electrode cap of the welding gun is replaced, if the electrode rod slightly deviates from the center of the cap removal through hole 30 when inserted into the cap removal through hole 30 along the first direction X, then, when the electrode rod contacts the edge of the cap removal through hole 30 and continues to be inserted into the cap removal through hole 30, the connecting seat 2 will swing a certain amplitude in the direction perpendicular to the first direction X under the action of the electrode rod. At this time, the electrode rod can be smoothly inserted into the cap removal through hole 30, which can reduce the damage to the electrode rod during the cap removal.

[0035] Furthermore, the mounting frame 1 includes a frame body 11 and a mounting plate 12, wherein the mounting plate 12 is disposed on the frame body 11 and is perpendicular to the first direction X, and an elastic member 4 is connected to the mounting plate 12; wherein, a plurality of elastic members 4 are provided, and the plurality of elastic members 4 are evenly arranged around the center of the mounting plate 12, and in the first direction X, the cap removal through-hole 30 is located between the plurality of elastic members 4. In this case, the connection between the connecting base 2 and the mounting plate 12 is more stable. When the electrode rod is inserted into the cap removal through-hole 30, if the connecting base 2 swings as described above, the swinging of the connecting base 2 will be more stable, thereby preventing the connecting base 2 from deviating along the first direction X. For example, as shown in Figures 1 and 3, the connecting base 2 has an overall rectangular structure, the mounting plate 12 also has a rectangular structure, and there are four elastic members 4, which respectively connect the four corners of the connecting base 2 and the mounting plate 12.

[0036] In actual application, the welding gun is a welding clamp structure, which has two electrode rods arranged opposite to each other, and both electrode rods are connected to electrode caps. Based on this, the connecting seat 2 and the mounting plate 12 of the above-mentioned rectangular body, the mounting plate 12 will interfere with the removal of the electrode cap of one of the electrode rods. Therefore, in order to ensure the normal removal of the electrode cap of the welding gun, as shown in Figure 2, the mounting plate 12 is provided with a avoidance hole 121 passing through along the first direction X, and the avoidance hole 121 has an opening, and the opening is located on the peripheral side of the mounting plate 12; along the first direction X, the cap removal through hole 30 corresponds to the position of the avoidance hole 121, and the avoidance hole 121 is used to avoid the electrode rod. When the electrode cap is removed from the welding gun, the electrode rod enters the avoidance hole 121 from the opening and corresponds to the cap removal through hole 30, so as to ensure that the welding gun can smoothly remove all electrode caps.

[0037] In this embodiment, the elastic member 4 is a rubber column, the axis of which is parallel to the first direction X. Specifically, the two ends of the rubber column in the first direction X can be connected to the mounting plate 12 and the connecting base 2 respectively by threaded connections. In other embodiments, the elastic member 4 can also be a spring, etc., which is not limited in this embodiment.

[0038] As shown in Figures 1 and 4, the connection base 2 has a mounting cavity 21 therein. The connection base 2 is provided with a mounting through-hole 22 extending along a first direction X, and the mounting through-hole 22 is connected to the mounting cavity 21. The cap removal module 3 includes a cap removal disk 31, a transmission assembly 32, and a drive member 33. The cap removal disk 31 is provided with a cap removal through-hole 30. The cap removal disk 31 is rotatably mounted in the mounting through-hole 22. The transmission assembly 32 is disposed in the mounting cavity 21. The drive member 33 is disposed on the outer wall of the connection base 2. The transmission assembly 32 connects the cap removal disk 31 and the drive member 33. The drive member 33 is used to drive the cap removal disk 31 to rotate axially about the cap removal through-hole 30 so that the cap removal disk 31 can remove the electrode cap. Specifically, since cooling water in the electrode rod will flow out after the electrode cap is removed, the transmission assembly 32 is installed through the mounting cavity 21, which can protect the transmission assembly 32 and prevent the transmission assembly 32 from corrosion. The electrode cap is removed by rotating the cap removal disk 31 having the cap removal through hole 30 , which is a common removal method in the art and will not be described in detail in the present invention.

[0039] Preferably, both ends of the cap removal through hole 30 along the first direction X are provided with guide slopes, which can guide the electrode rod to be inserted into the cap removal through hole 30, and can further reduce the damage to the electrode rod when the cap is removed.

[0040] Furthermore, as shown in FIG4 , the driving member 33 is a cylinder. The transmission assembly 32 includes a first connecting rod 321, a second connecting rod 322, and a connecting post 323. The first connecting rod 321 has a connecting hole 3211 extending along a first direction X. The connecting hole 3211 is a strip-shaped hole extending along the length of the first connecting rod 321. One end of the first connecting rod 321 along its length is fixedly connected to the decapping disk 31. The length of the second connecting rod 322 is along a second direction Y. One end of the second connecting rod 322 along its length is fixedly connected to the cylinder, and the other end is fixedly connected to the connecting post 323. The connecting post 323 passes through the connecting hole 3211 and can slide along the length of the connecting hole 3211. The cylinder is used to drive the second connecting rod 322 to move in the second direction Y, wherein the second direction Y is perpendicular to the first direction X. Specifically, the transmission assembly 32 of the above structure can convert the linear power of the cylinder into a rotational force of the decapping disk 31, thereby achieving the clamping and removal of the electrode cap. Moreover, the cylinder is used as a power source, and its movement is stable, so that the cap removal plate 31 can work stably.

[0041] In actual application, the cap removal module 3 can also include a stroke detection sensor, which is arranged on the connecting seat 2 and extends into the installation cavity 21, wherein there are two stroke detection sensors, one of which is used to monitor the maximum stroke of the cylinder piston rod, and the other is used to monitor the minimum stroke of the piston rod. When the electrode cap is being removed, if one of the two receives a signal, the cylinder is controlled to stop working. Based on this, the cap removal disk 31 is controlled to rotate to a preset angle, which facilitates the control of the cap removal work.

[0042] Furthermore, the electrode cap replacement device also includes a cap collecting basin 5, the opening of the cap collecting basin 5 faces upward, the cap collecting basin 5 is arranged on the mounting frame 1 and is located below the cap removal through hole 30, and the cap collecting basin 5 is used to collect the electrode caps removed from the electrode rod. It has a simple structure, can avoid the scattering of the removed electrode caps, and facilitates the recovery of worn electrode caps.

[0043] In some embodiments, as shown in FIG2 , the frame 11 includes a column 111 and a first connecting plate 112 . The first connecting plate 112 is disposed on the top of the column 111 and is perpendicular to the horizontal plane. The mounting plate 12 is connected to the first connecting plate 112 and is parallel to the first connecting plate 112 . At this time, the first direction X is parallel to the horizontal plane, and the electrode cap removed from the electrode rod is blocked by the wall of the cap removal through hole 30 and is difficult to fall into the cap collecting basin 5 . Based on this, In order to ensure that the removed electrode cap can fall smoothly into the cap collecting basin 5, the electrode cap replacement device further includes a blow pipe 6, which is arranged on the outer wall of the connecting seat 2. The blow pipe 6 is used to blow air toward the cap removal hole 30. After the electrode cap is removed from the electrode rod, the blow pipe 6 blows air toward the cap removal hole 30 to blow the electrode cap in the cap removal hole 30 out and drop it into the cap collecting basin 5, thereby avoiding the electrode cap from being trapped in the cap removal hole 30 and ensuring the normal operation of the electrode cap replacement device.

[0044] In other embodiments, as shown in Figure 5, the frame 11 includes a column 111 and a second connecting plate 113, the second connecting plate 113 is arranged on the top of the column 111, and the second connecting plate 113 is parallel to the horizontal plane, the mounting plate 12 is connected to the second connecting plate 113, and the mounting plate 12 is parallel to the second connecting plate 113. At this time, the first direction X is perpendicular to the horizontal plane, and the electrode cap replacement device does not need to be provided with a blowpipe 6. After the electrode cap is removed from the electrode rod, it will fall into the cap collecting basin 5 based on its gravity.

[0045] In this embodiment, the frame 11 includes a column 111, a first connecting plate 112 and a second connecting plate 113. As shown in Figure 2, the first connecting plate 112 and the second connecting plate 113 are arranged on the top of the column 111, and the first connecting plate 112 is perpendicular to the horizontal plane, and the second connecting plate 113 is parallel to the horizontal plane. The mounting plate 12 is detachably connected to the first connecting plate 112 and is parallel to the first connecting plate 112. In actual application, as shown in Figure 5, the mounting plate 12 can be removed from the first connecting plate 112 according to the application scenario and installed on the second connecting plate 113, and the mounting plate 12 is parallel to the second connecting plate 113, that is, the cap removal module 3 can flexibly set its installation position. Based on this, the electrode cap replacement device has the advantage of flexible use.

[0046] In this embodiment, as shown in FIG1 , the electrode cap replacement device further includes a cap storage module 7 and a detection module 8. The cap storage module 7 is detachably connected to the connection base 2, and the detection module 8 is fixedly connected to the mounting frame 1. The cap storage module 7 is used to store electrode caps to be replaced, and the detection module 8 is used to detect whether the electrode caps of the electrode rods have been completely removed and whether the electrode caps of the electrode rods have been completely installed. Specifically, the cap storage module 7 is detachably connected to the connection base 2. By replacing the cap storage module 7 with different types of electrode caps, the electrode cap replacement device can be adapted to replace electrode caps of different welding guns, thereby improving the adaptability of the electrode cap replacement device to different welding guns.

[0047] After the welding gun has disassembled the worn electrode cap, it takes a new electrode cap from the cap storage module 7 and then installs the electrode cap by pressing.

[0048] After the welding gun has completed a round of electrode cap removal and installation, it must be inspected by the detection module 8. If the detection module 8 detects that the electrode cap has not been removed or installed properly, the welding gun will perform another round of electrode cap removal or installation to ensure that the electrode cap removal and installation are successfully completed. Specifically, the detection module 8 performs the detection work through a sensor, which is a prior art and will not be described in detail in this utility model.

[0049] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and replacements can be made without departing from the technical principles of the present invention. These improvements and replacements should also be regarded as the scope of protection of the present invention.

Claims

1. An electrode cap replacement device, characterized in that, It includes a mounting bracket (1), a connecting seat (2), a cap-removing module (3) and an elastic member (4). The cap-removing module (3) is arranged on the connecting seat (2), and the connecting seat (2) is connected to the mounting bracket (1) through the elastic member (4). Among them, the cap-removing module (3) has a cap-removing through-hole (30) for the electrode rod to extend into. The axial direction of the cap-removing through-hole (30) is the first direction (X). In the first direction (X), one end of the elastic member (4) is connected to the mounting bracket (1), and the other end is connected to the connecting seat (2).

2. The electrode cap replacement device according to claim 1, wherein The mounting bracket (1) includes a frame body (11) and a mounting plate (12). The mounting plate (12) is arranged on the frame body (11), and the mounting plate (12) is perpendicular to the first direction (X). The elastic member (4) is connected to the mounting plate (12). Among them, there are multiple elastic members (4). The multiple elastic members (4) are evenly arranged around the center of the mounting plate (12). In the first direction (X), the cap-removing through-hole (30) is located between the multiple elastic members (4).

3. The electrode cap replacement device according to claim 2, wherein, The mounting plate (12) is provided with an avoidance hole (121) penetrating along the first direction (X). The avoidance hole (121) has an opening, and the opening is located on the circumferential side surface of the mounting plate (12). Along the first direction (X), the cap-removing through-hole (30) corresponds to the position of the avoidance hole (121), and the avoidance hole (121) is used to avoid the electrode rod.

4. The electrode cap replacement device according to claim 2, wherein The elastic member (4) is a rubber column, and its axial direction is parallel to the first direction (X).

5. The electrode cap replacement device according to claim 1, wherein, The connecting seat (2) has an installation cavity (21). The connecting seat (2) is provided with an installation through-hole (22) penetrating along the first direction (X), and the installation through-hole (22) is communicated with the installation cavity (21). The cap-removing module (3) includes a cap-removing disc (31), a transmission component (32) and a driving member (33). The cap-removing disc (31) is provided with the cap-removing through-hole (30), and the cap-removing disc (31) is rotatably arranged in the installation through-hole (22). The transmission component (32) is arranged in the installation cavity (21). The transmission component (32) connects the cap-removing disc (31) and the driving member (33). The driving member (33) is used to drive the cap-removing disc (31) to rotate axially around the cap-removing through-hole (30) so as to remove the electrode cap by the cap-removing disc (31).

6. The electrode cap replacement device according to claim 5, characterized in that, The driving member (33) is a cylinder; The transmission assembly (32) includes a first connecting rod (321), a second connecting rod (322) and a connecting column (323). The first connecting rod (321) has a connecting hole (3211) penetrating along the first direction (X), which extends along the length direction of the first connecting rod (321). One end of the first connecting rod (321) along its length direction is fixedly connected to the cap-removing disc (31). The length direction of the second connecting rod (322) is the second direction (Y). One end of the second connecting rod (322) along its length direction is fixedly connected to the cylinder, and the other end is fixedly connected to the connecting column (323). The connecting column (323) passes through the connecting hole (3211) and can slide along the length direction of the connecting hole (3211). The cylinder is used to drive the second connecting rod (322) to move along the second direction (Y). Wherein, the second direction (Y) is perpendicular to the first direction (X).

7. The electrode cap replacement device according to claim 2, wherein, The frame body (11) includes a column (111) and a first connecting plate (112). The first connecting plate (112) is arranged at the top of the column (111), and the first connecting plate (112) is perpendicular to the horizontal plane. The mounting plate (12) is connected to the first connecting plate (112), and the mounting plate (12) is parallel to the first connecting plate (112). The electrode cap replacement device further includes a blowing pipe (6). The blowing pipe (6) is arranged on the outer wall of the connecting seat (2), and the blowing pipe (6) is used for blowing air towards the cap-removing through hole (30).

8. The electrode cap replacement device according to claim 2, wherein, The frame body (11) includes a column (111) and a second connecting plate (113). The second connecting plate (113) is arranged at the top of the column (111), and the second connecting plate (113) is parallel to the horizontal plane. The mounting plate (12) is connected to the second connecting plate (113), and the mounting plate (12) is parallel to the second connecting plate (113).

9. The electrode cap replacement device according to any one of claims 1-8, characterized in that, It further includes a cap-collecting basin (5). The opening of the cap-collecting basin (5) faces upward. The cap-collecting basin (5) is arranged on the mounting frame (1) and is located below the cap-removing through hole (30). The cap-collecting basin (5) is used for collecting the electrode caps detached from the electrode rod.

10. The electrode cap replacement device according to any one of claims 1-8, characterized in that, It further includes a cap-storing module (7) and a detecting module (8). The cap-storing module (7) is detachably connected to the connecting seat (2), and the detecting module (8) is fixedly connected to the mounting frame (1). The cap-storing module (7) is used for storing the electrode caps to be replaced, and the detecting module (8) is used for detecting whether the electrode rod has completed the removal of the electrode cap and detecting whether the electrode rod has completed the installation of the electrode cap.

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