Electrode assembly
By designing the removable fixed electrode and etching electrode structure, the problem of overall replacement of etching electrode damage is solved, reducing replacement costs and extending the service life of the electrode assembly.
Patent Information
- Application Number
- CN202422440481.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-10
AI Technical Summary
During the operation of the traditional electrode assembly in the electric spark machine, the etching electrode is easily damaged and needs to be replaced as a whole, resulting in high costs and lack of buffer structures to be easily damaged by mechanical damage, which affects the service life.
Designed as a removable structure for fixed electrodes and etched electrodes, it adopts the form of clamping slots and clamping blocks, fixed with limit bolts, and a sleeve and connecting block buffer are provided on the top of the mounting seat to prevent mechanical damage.
It is possible to replace only the etching electrode when the etching electrode is damaged, reducing costs, and protecting the electrode through a buffer structure to extend service life.
Smart Images
Figure CN223172054U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electrode assemblies, and specifically to an electrode assembly. Background Technique
[0002] An electric discharge machine is a machine that uses the principle of electro-erosion to process metal materials. The electrode assembly in the electric discharge machine is one of the very core parts.
[0003] At present, traditional electrode assemblies are generally divided into two parts. One is the installation part for fixing the etching electrode, and the other is the etching electrode body. And the traditional etching electrode is divided into a fixed part and a discharge part, which are integrally formed. During the operation of the electric discharge machine, the discharge part of the etching electrode will be damaged due to high temperature, electro-erosion, etc. When replacing the traditional electrode body, the fixed part and the discharge part need to be replaced together, resulting in an increase in the use cost. At the same time, when the installation part of the traditional electrode assembly is in use, there is a lack of a buffer structure. During the clamping of the electrode, the adjustment of the machining position or the machining process, if the operation is improper, the electrode may collide and impact with the workpiece, causing mechanical damage to the electrode and affecting the service life of the electrode. Content of the Utility Model
[0004] The purpose of the utility model is to provide an electrode assembly to solve the problems put forward in the above background technique.
[0005] To solve the above technical problems, the utility model provides the following technical solutions: including a mounting base, a fixed electrode is arranged at the bottom of the mounting base, an installation cavity is opened at the bottom of the fixed electrode, an etching electrode is arranged inside the installation cavity, clamping grooves are symmetrically opened on the surface of the etching electrode, and clamping blocks slidably connected with the clamping grooves are fixedly connected inside the installation cavity. A clamping mechanism is arranged inside the mounting base, a sleeve is fixedly connected to the top of the mounting base, a connecting block is slidably connected inside the sleeve, a return spring is clamped between the sleeve and the connecting block, and a mounting disc is fixedly connected to the top of the connecting block.
[0006] In a further embodiment, the clamping mechanism includes a bidirectional threaded rod, and limiting blocks are symmetrically and threadedly connected to the surface of the bidirectional threaded rod, and the bidirectional threaded rod is rotationally connected with the mounting base.
[0007] Adopting the above technical solution: when rotating the bidirectional threaded rod, the distance between the two limiting blocks can be adjusted, so as to achieve the purpose of clamping the fixed electrode between the two limiting blocks.
[0008] In a further embodiment, grooves are opened on both sides of the fixed electrode, and protrusions clamped with the grooves are fixedly connected to the opposite sides of the two limiting blocks.
[0009] Adopt the above technical solution: When the fixed electrode is fixed between the two limit blocks, the fixed electrode is limited and fixed.
[0010] In a further embodiment, sliders are symmetrically and fixedly connected to the top of the limit blocks, and sliding grooves for sliding connection with the sliders are formed at the top of the mounting base.
[0011] Adopt the above technical solution: When the limit block moves, sliding limit is performed on the limit block and the friction of movement is reduced.
[0012] In a further embodiment, a limit bolt is threadedly connected to the front surface of the fixed electrode, and one end of the limit bolt penetrates into the cavity and is threadedly connected to the etching electrode.
[0013] Adopt the above technical solution: The etching electrode is limited to prevent the etching electrode from rotating after being installed inside the fixed electrode.
[0014] In a further embodiment, a limit guide block is fixedly connected inside the sleeve, and a limit guide groove for sliding connection with the limit guide block is formed at the bottom of the connecting block.
[0015] Adopt the above technical solution: Sliding limit is performed on the connecting block.
[0016] In a further embodiment, a plurality of equally spaced mounting holes are formed at the top of the mounting disc.
[0017] Adopt the above technical solution: Facilitate the installation of the electrode assembly on an external mobile device.
[0018] In a further embodiment, one end of the bidirectional threaded rod penetrates to the outside of the mounting base and is fixedly connected to a rotating disc.
[0019] Adopt the above technical solution: Facilitate the staff to rotate the bidirectional threaded rod, thereby adjusting the distance between the two limit blocks.
[0020] Compared with the prior art, the beneficial effects of the present utility model are:
[0021] 1. By setting the originally integrally designed electrode in the form of mutual clamping between the fixed electrode and the etching electrode, the present utility model can directly replace the etching electrode when the etching electrode is damaged during the operation of the electric spark machine without replacing the fixed electrode, reducing the replacement cost. And the use of the clamping form of the card slot and the card block in cooperation with the fixation of the limit bolt ensures the fixing stability while facilitating subsequent installation and disassembly, improving the practicability.
[0022] 2. The utility model installs a sleeve on the top of the mounting base, and a connecting block is slidably installed inside the sleeve. When the electrode assembly is installed and debugged, there is a buffer space between the sleeve and the connecting block, which prevents hard mechanical damage caused by the contact between the electrode and the workpiece, and ensures the service life of the electrode assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 is a schematic structural diagram of an embodiment of the utility model;
[0024] Figure 2 is a partial structural cross-sectional view of an embodiment of the utility model;
[0025] Figure 3 is an exploded view of the fixed electrode and the etching electrode of an embodiment of the utility model;
[0026] Figure 4 is a bottom view of the mounting base of an embodiment of the utility model.
[0027] In the figure: 1, mounting base; 2, fixed electrode; 3, mounting cavity; 4, etching electrode; 5, card slot; 6, card block; 7, card position mechanism; 71, bidirectional threaded rod; 72, limit block; 8, sleeve; 9, connecting block; 10, return spring; 11, mounting disc; 12, groove; 13, protrusion; 14, slider; 15, sliding groove; 16, limit bolt; 17, limit guide block; 18, limit guide groove; 19, mounting hole; 20, rotating disc. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0029] Embodiment 1
[0030] Please refer to Figure 1 , Figure 3 and Figure 4As shown in the figure, the electrode assembly includes a mounting base 1. A fixed electrode 2 is provided at the bottom of the mounting base 1. An installation cavity 3 is opened at the bottom of the fixed electrode 2. An etching electrode 4 is arranged inside the installation cavity 3. Slots 5 are symmetrically opened on the surface of the etching electrode 4. A clamping block 6 that is slidably connected to the slots 5 is fixedly connected inside the installation cavity 3. A clamping mechanism 7 is arranged inside the mounting base 1. By setting the originally integrated electrode into a form where the fixed electrode 2 and the etching electrode 4 are clamped to each other, during the operation of the electric discharge machine, when the etching electrode 4 is damaged, the etching electrode 4 can be directly replaced without replacing the fixed electrode 2, reducing the replacement cost. And the clamping form of the slots 5 and the clamping blocks 6 is combined with the fixation of the limit bolt 16, which not only ensures the fixation stability but also facilitates subsequent installation and disassembly, improving the practicability. The clamping mechanism 7 includes a bidirectional threaded rod 71. Limit blocks 72 are symmetrically and threadedly connected to the surface of the bidirectional threaded rod 71, and the bidirectional threaded rod 71 is rotatably connected to the mounting base 1. Through the setting of the bidirectional threaded rod 71 and the limit blocks 72, when the bidirectional threaded rod 71 is rotated, the distance between the two limit blocks 72 can be adjusted, so as to achieve the purpose of clamping the fixed electrode 2 between the two limit blocks 72. Grooves 12 are opened on both sides of the fixed electrode 2. On the opposite sides of the two limit blocks 72, protrusions 13 that are clamped to the grooves 12 are fixedly connected. Through the setting of the grooves 12 and the protrusions 13, when the fixed electrode 2 is fixed between the two limit blocks 72, the fixed electrode 2 is limited and fixed. On the top of the limit blocks 72, sliders 14 are symmetrically fixedly connected. A sliding groove 15 that is slidably connected to the sliders 14 is opened on the top of the mounting base 1. Through the setting of the sliders 14 and the sliding grooves 15, when the limit blocks 72 move, the limit blocks 72 are slidably limited and the friction of the movement is reduced. A limit bolt 16 is threadedly connected to the front surface of the fixed electrode 2, and one end of the limit bolt 16 penetrates into the cavity and is screwed to the etching electrode 4. Through the limit bolt 16, the etching electrode 4 is limited to prevent the etching electrode 4 from rotating after being installed inside the fixed electrode 2. One end of the bidirectional threaded rod 71 penetrates to the outside of the mounting base 1 and is fixedly connected with a rotating disc 20. Through the setting of the rotating disc 20, it is convenient for the staff to rotate the bidirectional threaded rod 71, so as to adjust the distance between the two limit blocks 72.
[0031] Brief description of the usage process: During use, the etching electrode 4 is clamped into the fixed electrode 2 through the slots 5 and the clamping blocks 6, and it can be fixed with the limit bolt 16. By setting the originally integrated electrode into a form where the fixed electrode 2 and the etching electrode 4 are clamped to each other, during the operation of the electric discharge machine, when the etching electrode 4 is damaged, the etching electrode 4 can be directly replaced without replacing the fixed electrode 2, reducing the replacement cost. And the clamping form of the slots 5 and the clamping blocks 6 is combined with the fixation of the limit bolt 16, which not only ensures the fixation stability but also facilitates subsequent installation and disassembly, improving the practicability.
[0032] Please refer to Figure 1 and Figure 2 As shown, a sleeve 8 is fixedly connected to the top of the mounting base 1. A connecting block 9 is slidably connected inside the sleeve 8. A return spring 10 is clamped between the sleeve 8 and the connecting block 9. The top of the connecting block 9 is fixedly connected to a mounting plate 11. By installing the sleeve 8 on the top of the mounting base 1 and slidably installing the connecting block 9 inside the sleeve 8, when the electrode assembly is installed and debugged, there is a buffer space between the sleeve 8 and the connecting block 9, preventing hard mechanical damage caused by contact between the electrode and the workpiece, and ensuring the service life of the electrode assembly. A limit guide block 17 is fixedly connected inside the sleeve 8, and a limit guide groove 18 for slidably connecting with the limit guide block 17 is opened at the bottom of the connecting block 9. Through the arrangement of the limit guide block 17 and the limit guide groove 18, the sliding of the connecting block 9 is limited. A plurality of equally spaced mounting holes 19 are opened at the top of the mounting plate 11. Through the arrangement of the mounting holes 19, it is convenient to install the electrode assembly on an external mobile device.
[0033] Brief description of the usage process: When the electrode assembly is installed and debugged, there is a buffer space between the sleeve 8 and the connecting block 9. When the electrode part contacts the workpiece, it will retract, preventing hard mechanical damage caused by contact between the electrode and the workpiece, and ensuring the service life of the electrode assembly.
[0034] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. Electrode assembly, including a mounting base (1), characterized in that: A fixed electrode (2) is provided at the bottom of the mounting base (1). An installation cavity (3) is formed at the bottom of the fixed electrode (2). An etching electrode (4) is arranged inside the installation cavity (3). Slots (5) are symmetrically formed on the surface of the etching electrode (4). A clamping block (6) that is slidably connected to the slots (5) is fixedly connected inside the installation cavity (3). A positioning mechanism (7) is arranged inside the mounting base (1). A sleeve (8) is fixedly connected to the top of the mounting base (1). A connecting block (9) is slidably connected inside the sleeve (8). A return spring (10) is clamped between the sleeve (8) and the connecting block (9). An installation disc (11) is fixedly connected to the top of the connecting block (9).
2. The electrode assembly according to claim 1, characterized in that: The positioning mechanism (7) includes a bidirectional threaded rod (71). Limiting blocks (72) are symmetrically and threadedly connected to the surface of the bidirectional threaded rod (71), and the bidirectional threaded rod (71) is rotatably connected to the mounting base (1).
3. The electrode assembly according to claim 2, characterized in that: Grooves (12) are formed on both sides of the fixed electrode (2). Protrusions (13) that are clamped with the grooves (12) are fixedly connected to the opposite sides of the two limiting blocks (72).
4. The electrode assembly according to claim 2, characterized in that: Sliders (14) are symmetrically and fixedly connected to the top of the limiting blocks (72). A sliding groove (15) that is slidably connected to the sliders (14) is formed on the top of the mounting base (1).
5. The electrode assembly according to claim 1, characterized in that: A limiting bolt (16) is threadedly connected to the front of the fixed electrode (2), and one end of the limiting bolt (16) penetrates into the interior of the cavity and is screwed to the etching electrode (4).
6. The electrode assembly according to claim 1, characterized in that: A limiting guide block (17) is fixedly connected inside the sleeve (8). A limiting guide groove (18) that is slidably connected to the limiting guide block (17) is formed at the bottom of the connecting block (9).
7. The electrode assembly according to claim 1, characterized in that: A plurality of equally spaced installation holes (19) are formed on the top of the installation disc (11).
8. The electrode assembly according to claim 2, wherein: One end of the bidirectional threaded rod (71) penetrates to the outside of the mounting base (1) and is fixedly connected with a rotating disc (20).