Clamping tooth type electrode cap dismounting device with brake

Abstract

The utility model provides a latch type electrode cap dismounting device with a brake, which is characterized by comprising a clamping jaw mechanism and a brake mechanism, the clamping jaw mechanism comprises a rotating seat, a cap dismounting gear and positioning pins, the rotating seat is provided with a through hole, the rotating seat surrounds the through hole, a plurality of limiting bosses are evenly distributed on the rotating seat, the positioning pins are rotatably arranged between every two adjacent limiting bosses, the positioning pins are sleeved with clamping jaw pieces, the rotating seat is rotatably sleeved with the cap dismounting gear, and the cap dismounting gear is sleeved with the cap dismounting gear. The clamping jaw piece is provided with a clamping section capable of clamping an electrode cap, the clamping jaw piece is further provided with protruding teeth, a plurality of sections of inner grooves are formed in the inner wall of the cap dismounting gear at intervals, the protruding teeth are meshed with the inner grooves, the cap dismounting structure of gear meshing is adopted, torsion is large, synchronism is good, cap dismounting does not slip, and the electrode cap can be stably clamped. The conditions that the cap is unstably unloaded and cannot be unloaded are avoided, and the condition that the electrode cap stays on the clamping jaw mechanism after being unloaded is avoided.

Description

Technical Field

[0001] The utility model relates to the field of electrode cap disassembly, in particular to a toothed electrode cap disassembly device with a brake. Background Art

[0002] The electrode cap is a key component in the resistance welding process and is used in a variety of spot welding equipment, such as fixed, suspended and robot-operated spot welders. In order to maintain high standards of welding quality, the electrode cap must be regularly maintained and sharpened during manufacturing and use. Usually, this requires the use of a specialized electrode cap sharpener. During the sharpening process, the electrode cap removal device plays a vital role.

[0003] Most of the existing electrode cap removal devices use a hard-pushing or hard-pulling method to detach the electrode cap from the electrode rod. During the detachment process, the electrode cap will be subjected to a large push or pull force, which may cause damage to the electrode cap or even damage the electrode rod. When the electrode cap is detached, it will have a large acceleration. If the clamping fails, the electrode cap will fly out at high speed, posing a threat to the safety of surrounding equipment and personnel. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a toothed electrode cap disassembly device with a brake, which solves the problem of disassembling the electrode cap by hard pushing or hard pulling.

[0005] The utility model adopts the following technical solutions:

[0006] A toothed electrode cap disassembly device with brakes, comprising a clamping claw mechanism and a brake mechanism;

[0007] The clamping mechanism comprises a rotating seat, a cap removal gear and a positioning pin, the rotating seat is provided with a through hole, the rotating seat surrounds the through hole and is evenly provided with a plurality of limiting bosses, a positioning pin is rotatably provided between two adjacent limiting bosses, the positioning pin is sleeved with a clamping member, the rotating seat is rotatably provided with the cap removal gear, the clamping member has a gripping section capable of clamping the electrode cap, the clamping member is also provided with convex teeth, a plurality of inner grooves are spaced apart on the inner wall of the cap removal gear, and the convex teeth are meshed with the inner grooves;

[0008] When the cap removing gear rotates in the first direction, it first drives the gripping section to swing in the direction close to the center line of the through hole, and then drives the rotating seat and the clamping claw member thereon to rotate around the through hole in the first direction; when the cap removing gear rotates in the second direction, it first drives the gripping section to swing in the direction away from the center line of the through hole, and then drives the rotating seat and the clamping claw member thereon to rotate around the through hole in the second direction;

[0009] The brake mechanism includes an electromagnet, a brake pad and a spring. When the electromagnet is turned on, the brake pad moves away from the rotating seat and compresses the spring; when the electromagnet is turned off, the spring pushes the brake pad to abut against the rotating seat.

[0010] Preferably, a mounting plate is provided, with any center line of the mounting plate as the axis of symmetry, and two sets of the clamping mechanisms are rotationally symmetrically provided, which are divided into an upper clamping mechanism and a lower clamping mechanism. The mounting plate can also be rotatably provided with an input gear and a transmission gear that mesh with each other, and the cap removal gear of the upper clamping mechanism and the cap removal gear of the lower clamping mechanism are both meshed with the transmission gear. The mounting plate is provided with two sets of brake mechanisms that act on the upper clamping mechanism and the lower clamping mechanism respectively.

[0011] Preferably, the rotating seat is detachably provided with an upper cover, and the upper cover is provided with a positioning hole for accommodating the positioning pin.

[0012] Preferably, the gripping section is provided with an anti-slip groove.

[0013] Preferably, two sets of the brake mechanisms are symmetrically arranged on the outer side of the rotating seat.

[0014] Preferably, the brake mechanism is detachably provided with a housing.

[0015] The beneficial effects of the utility model are:

[0016] The utility model provides space for the clamping claw by setting a limiting boss; by setting a positioning pin between two adjacent limiting bosses and fitting the clamping claw on the positioning pin, the clamping claw can rotate with the positioning pin, thereby ensuring that the clamping section of the clamping claw can be close to or away from the electrode cap; when the electrode cap is removed, the cap removal gear rotates in one direction, and an inner groove meshing with the convex teeth on the clamping claw is provided on the inner wall of the cap removal gear, and the cap removal gear rotates relative to the rotating seat, and the clamping claw is driven to rotate around the positioning pin through the inner groove, so that the clamping section of the clamping claw can be close to or away from the electrode cap. The segment moves in the direction close to the center of the through hole, so that the gripping segment abuts against the side wall of the electrode cap extending into the through hole and clamps the electrode cap, and at the same time, the clamping claw also abuts against the limiting boss, transmitting the rotational power of the cap removal gear to the rotating seat, driving the rotating seat and the clamping claw thereon to rotate around the electrode cap, thereby clamping the electrode cap and removing the electrode cap by rotation; when the removed electrode cap needs to be released, the cap removal gear rotates in the other direction, and the gripping segment separates from the side wall of the electrode cap extending into the through hole, so that the removed electrode cap falls freely and leaves the through hole;

[0017] The utility model adopts a gear meshing cap removal structure, which can withstand large torque through cam transmission and has good synchronization, and can stably and quickly clamp the electrode cap;

[0018] In addition, a brake mechanism is also provided. If the clamping jaw member and the cap removing gear are locked, the cap removing gear will drive the rotating seat and the clamping jaw member thereon to rotate around the electrode cap due to the small rotational resistance. At this time, the cap removing gear and the rotating seat cannot rotate relative to each other, so that the clamping section of the clamping jaw member cannot move away from the center of the through hole, resulting in failure to release the removed electrode cap. The brake mechanism makes the rotational resistance of the rotating member greater than the locking resistance, so that the cap removing gear and the rotating seat can rotate relative to each other, so that the clamping section of the clamping jaw member moves away from the center of the through hole, and then the clamping section separates from the side wall of the electrode cap extending into the through hole, and finally the removed electrode cap is successfully released.

[0019] The utility model is provided with a brake mechanism, thereby avoiding the situation that the electrode cap stays in the clamping claw mechanism after disassembly, and improving the efficiency of cap disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of the utility model;

[0022] Figure 2 for Figure 1 A schematic diagram of a side view of the structure;

[0023] Figure 3 for Figure 1 A schematic diagram of the rear view of the structure (partial structure omitted);

[0024] Figure 4 This is a schematic diagram of the structure of a clamping mechanism in a top view according to an embodiment of the utility model;

[0025] Figure 5 for Figure 4 Schematic diagram of AA structure;

[0026] Figure 6 It is a top view of the brake mechanism (partial structure omitted);

[0027] Figure 7 This is an exploded schematic diagram of a brake mechanism and a clamping claw mechanism of an embodiment of the utility model (partial structure is omitted);

[0028] Figure 8 is a schematic diagram of the structure of the clamping jaw;

[0029] Fig. 9It is a structural schematic diagram of a dismantled cap gear;

[0030] Fig.10 This is a structural schematic diagram of a clamping mechanism in a released state according to an embodiment of the utility model (partial structure is omitted);

[0031] Fig.11 This is a structural schematic diagram of a clamping state of a clamping jaw mechanism of an embodiment of the utility model (partial structure omitted).

[0032] Description of reference numerals:

[0033] 1. Mounting plate; 11. Input gear; 12. Transmission gear; 2. Clamping claw mechanism; 21. Cap removal gear; 211. Inner groove; 22. Positioning pin; 23. Rotating seat; 231. Through hole; 232. Limiting boss; 233. Upper cover; 2331. Positioning hole; 24. Clamping claw member; 241. Gripping section; 2411. Anti-skid bump; 242. Protruding tooth; 3. Braking mechanism; 31. Housing; 32. Electromagnet; 33. Brake pad; 34. Spring; 4. Electrode cap. DETAILED DESCRIPTION

[0034] The drawings are only used for illustrative purposes and should not be construed as limitations of this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product.

[0035] For those skilled in the art, it is understandable that some well-known structures and their descriptions may be omitted in the drawings. The technical solution of the utility model is further described below in conjunction with the drawings and embodiments.

[0036] As attached Figure 1-11 The illustrated embodiment is a toothed electrode cap disassembly device with brake, comprising a clamping claw mechanism 2 and a brake mechanism 3;

[0037] The clamping mechanism 2 includes a rotating seat 23, a cap removal gear 21 and a positioning pin 22. The rotating seat 23 is provided with a through hole 231. The rotating seat 23 surrounds the through hole 231 and is evenly provided with a plurality of limiting bosses 232. A positioning pin 22 is rotatably provided between two adjacent limiting bosses 232. The positioning pin 22 is sleeved with a clamping member 24. The rotating seat 23 is rotatably sleeved with the cap removal gear 21. The clamping member 24 has a gripping section 241 that can clamp the electrode cap 4. The clamping member 24 is also provided with a convex tooth 242. A plurality of inner grooves 211 are provided at intervals on the inner wall of the cap removal gear 21. The convex tooth 242 meshes with the inner groove 211.

[0038] Furthermore, the brake mechanism 3 includes an electromagnet 32, a brake pad 33 and a spring 34. When the electromagnet 32 ​​is turned on, the brake pad 33 moves away from the rotating seat 23 and compresses the spring 34. At this time, the brake pad 33 will not interfere with the rotation of the rotating seat 23; when the electromagnet 32 ​​is turned off, the spring 34 pushes the brake pad 33 to abut against the rotating seat 23. At this time, the rotating seat 23 is subjected to significantly increased rotational resistance.

[0039] In some embodiments, in order to improve the efficiency of disassembling the electrode cap 4, a mounting plate 1 is provided. With any center line of the mounting plate 1 as the axis of symmetry, two sets of clamping mechanisms 2 are rotationally symmetrically provided, which are divided into an upper clamping mechanism 2 and a lower clamping mechanism 2. The mounting plate 1 can also be rotatably provided with an input gear 11 and a transmission gear 12 that mesh with each other. The cap removal gear 21 of the upper clamping mechanism 2 and the cap removal gear 21 of the lower clamping mechanism 2 are both meshed with the transmission gear 12. When the input gear 11 rotates, the power is simultaneously transmitted to the cap removal gear 21 of the upper clamping mechanism 2 and the cap removal gear 21 of the lower clamping mechanism 2 through the transmission gear 12, so that the upper clamping mechanism 2 and the lower clamping mechanism 2 can both clamp the electrode cap 4. Two sets of brake mechanisms 3 are provided on the mounting plate 1, which act on the upper clamping mechanism 2 and the lower clamping mechanism 2 respectively.

[0040] In some embodiments, the rotating seat 23 is detachably connected to the upper cover 233 by bolts. The upper cover 233 is provided with a positioning hole 2331 for accommodating the positioning pin 22 to prevent the positioning pin 22 from being displaced due to reaction force when clamping the electrode cap 4.

[0041] Furthermore, the gripping section 241 is provided with anti-slip bumps 2411, so that the gripping section 241 is more adapted to the outer wall shape of the electrode cap 4 and has a certain degree of roughness, thereby avoiding slipping during the gripping of the electrode cap 4, resulting in a loose grip. Figure 8 shown.

[0042] In some embodiments, two sets of brake mechanisms 3 are symmetrically arranged on the outside of the rotating seat 23, so as to have greater braking resistance. Figure 6 shown.

[0043] In some embodiments, the brake mechanism 3 is detachably provided with a housing 31 to prevent metal debris generated during the removal of the electrode cap 4 from entering the brake mechanism 3 and affecting the normal operation of the brake mechanism 3 .

[0044] The cap removal gear 21 is provided with a plurality of movable members 24, each of which is provided with a plurality of movable members 25. The movable members 25 are provided with a plurality of movable members 26, each of which is provided with a plurality of movable members 27. The movable members 26 are provided with a plurality of movable members 28.

[0045] The working principle of the utility model is as follows:

[0046] When working, the input gear 11 rotates clockwise to transmit the rotational power to the transmission gear 12, and the cap removal gear 21 of the clamping mechanism 2 meshing with the transmission gear 12 is driven to rotate;

[0047] At this time, the electromagnet 32 ​​of the brake mechanism 3 is in the on state, so that the brake pad 33 moves away from the rotating seat 23 and compresses the spring 34 until the magnetic force of the electromagnet 32 ​​is balanced with the elastic force of the spring 34, and the brake pad 33 does not interfere with the rotation of the rotating seat 23;

[0048] At this time, the clamping mechanism 2 is in a clamping state; in the clamping mechanism 2, the inner groove 211 on the inner wall of the cap removal gear 21 meshes with the convex tooth 242 on the corresponding clamping jaw member 24, and the cap removal gear 21 and the rotating seat 23 rotate relative to each other, and the cap removal gear 21 causes the clamping jaw member 24 to rotate clockwise around the positioning pin 22, and the clamping section 241 of the clamping jaw member 24 moves toward the center of the through hole 231, so that the clamping section 241 abuts against the side wall of the electrode cap 4 extending into the through hole 231 and clamps the electrode cap 4, and at the same time, the clamping jaw member 24 abuts against the limiting boss 232, and the rotational power of the cap removal gear 21 is transmitted to the rotating seat 23, driving the rotating seat 23 and the clamping jaw member 24 thereon to rotate around the electrode cap 4, thereby clamping the electrode cap 4 and removing the electrode cap 4 by rotation.

[0049] When the removed electrode cap 4 needs to be released, the input gear 11 rotates counterclockwise to transmit the rotational power to the transmission gear 12, and the cap removal gear 21 of the clamping mechanism 2 meshing with the transmission gear 12 is driven to rotate;

[0050] At this time, the electromagnet 32 ​​of the brake mechanism 3 is in the closed state, and the elastic force of the spring 34 causes the brake pad 33 to move toward the rotating seat 23 and abut against the rotating seat 23, and the rotating seat 23 is subjected to the rotation resistance of the brake pad 33;

[0051] At this time, the clamping mechanism 2 is in a released state; in the clamping mechanism 2, the inner groove 211 on the inner wall of the cap removal gear 21 is meshed with the convex tooth 242 on the corresponding clamping member 24, and the rotating seat 23 is subjected to the rotational resistance of the brake pad 33, thereby ensuring that the cap removal gear 21 and the rotating seat 23 rotate relative to each other, so that the clamping section 241 of the clamping member 24 moves away from the center of the through hole 231, and then the clamping section 241 is separated from the side wall of the electrode cap 4 extending into the through hole 231, and finally the disassembled electrode cap 4 falls freely and leaves the through hole 231.

[0052] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not intended to limit the implementation methods of the utility model. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A toothed electrode cap disassembly device with brake, characterized in that: It includes a clamping mechanism and a braking mechanism; The clamping mechanism comprises a rotating seat, a cap removal gear and a positioning pin, the rotating seat is provided with a through hole, the rotating seat surrounds the through hole and is evenly provided with a plurality of limiting bosses, a positioning pin is rotatably provided between two adjacent limiting bosses, the positioning pin is sleeved with a clamping member, the rotating seat is rotatably provided with the cap removal gear, the clamping member has a gripping section capable of clamping the electrode cap, the clamping member is also provided with convex teeth, a plurality of inner grooves are spaced apart on the inner wall of the cap removal gear, and the convex teeth are meshed with the inner grooves; When the cap removing gear rotates in the first direction, it first drives the gripping section to swing in the direction close to the center line of the through hole, and then drives the rotating seat and the clamping claw member thereon to rotate around the through hole in the first direction; when the cap removing gear rotates in the second direction, it first drives the gripping section to swing in the direction away from the center line of the through hole, and then drives the rotating seat and the clamping claw member thereon to rotate around the through hole in the second direction; The brake mechanism includes an electromagnet, a brake pad and a spring. When the electromagnet is turned on, the brake pad moves away from the rotating seat and compresses the spring; when the electromagnet is turned off, the spring pushes the brake pad to abut against the rotating seat.

2. A brake-type electrode cap disassembly device according to claim 1, characterized in that: A mounting plate is provided, and with any center line of the mounting plate as the axis of symmetry, two sets of the clamping mechanisms are rotationally symmetrically provided, which are divided into an upper clamping mechanism and a lower clamping mechanism. The mounting plate can also be rotatably provided with an input gear and a transmission gear that mesh with each other, the cap removing gear of the upper clamping mechanism and the cap removing gear of the lower clamping mechanism are both meshed with the transmission gear, and two sets of brake mechanisms are provided on the mounting plate, which act on the upper clamping mechanism and the lower clamping mechanism respectively.

3. The brake-type electrode cap disassembly device according to claim 2, characterized in that: The rotating seat is detachably provided with an upper cover, and the upper cover is provided with a positioning hole for accommodating the positioning pin.

4. The brake-type electrode cap disassembly device according to claim 3 is characterized in that: The gripping section is provided with an anti-slip groove.

5. The toothed electrode cap disassembly device with brake according to claim 1, characterized in that: Two sets of the brake mechanisms are symmetrically arranged on the outer side of the rotating seat.

6. The toothed electrode cap disassembly device with brake according to claim 1, characterized in that: The brake mechanism is detachably provided with a housing.

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