Electric spark machining clamping device

Abstract

The utility model relates to a clamping device for electric spark machining, which belongs to the technical field of electric spark machining and comprises a bottom table, and a clamping table is detachably arranged on the bottom table. A clamping structure is arranged on the clamping table; the clamping structure comprises a first clamping block installed on the clamping table and a second clamping block sliding on the top of the clamping table, a sliding groove is formed in the clamping table, the clamping table is rotationally connected with a first threaded rod through the sliding groove, the clamping table is slidably connected with a sliding block through the sliding groove, and the first threaded rod is connected with a second threaded rod through the sliding block. And one side of the sliding block is connected with one side of the second clamping block. By arranging the lifting structure and rotating the rotating rod, the rotating rod drives the clamping table to move upwards, so that the top of the clamping table is exposed out of the working solution, a machined part is clamped at the moment, and the situation that the machined part cannot be clamped according to the requirement due to the fact that refraction of light in the working solution affects position deterioration when the machined part is manually placed is avoided as much as possible.

Description

Technical Field

[0001] This utility model relates to the field of electrical discharge machining (EDM) technology, and specifically to an EDM clamping device. Background Technology

[0002] Electrical discharge machining, also known as electrical discharge processing or electrical erosion machining, is a machining method that uses electrical energy and heat energy.

[0003] During electrical discharge machining, a clamping device is required. Both the clamping device and the workpiece to be machined must be submerged in the working fluid. When the workpiece needs to be clamped, the operation must be carried out in the working fluid. The refraction of light in the working fluid affects the position of the workpiece when it is manually placed, which may cause the workpiece to be clamped in a way that does not meet the requirements.

[0004] To address the aforementioned problems, this application proposes an electrical discharge machining (EDM) clamping device. Utility Model Content

[0005] This utility model addresses the technical problems existing in the prior art by providing an electrical discharge machining clamping device.

[0006] The technical solution of this utility model to solve the above technical problems is as follows: an electrical discharge machining clamping device, including a base, wherein a clamping platform is detachably provided on the base;

[0007] The clamping platform is provided with a clamping structure;

[0008] The clamping structure includes a first clamping block mounted on a clamping platform and a second clamping block sliding on the top of the clamping platform. A sliding groove is provided on the clamping platform. A first threaded rod is rotatably connected to the clamping platform through the sliding groove. A slider is slidably connected to the clamping platform through the sliding groove. One side of the slider is connected to one side of the second clamping block. The outer side of the first threaded rod is threadedly connected to the inner wall of the slider.

[0009] A lifting structure is provided on the base platform;

[0010] The lifting structure includes an operating groove on the base platform and a threaded groove on the bottom of the clamping platform. The base platform is rotatably connected to a rotating rod through the operating groove. A second threaded rod is installed at the top of the rotating rod. The second threaded rod is threadedly connected to the clamping platform through the threaded groove. A limit groove is provided at the top of the base platform, and a limit rod is installed at the bottom of the clamping platform. The limit rod is movably inserted into the limit groove.

[0011] The clamping table is equipped with a first bearing via a sliding groove. The outer side of the first threaded rod is connected to the inner ring of the first bearing. The first bearing is used to support and assist the rotation of the first threaded rod.

[0012] The first threaded rod has multiple anti-slip grooves, which are used to increase the friction between the hand and the first threaded rod.

[0013] The base is equipped with a second bearing via an operating slot. The outer side of the rotating rod is connected to the inner ring of the second bearing. The second bearing is used to support and assist the rotating rod in rotating.

[0014] The rotating rod is provided with multiple second anti-slip grooves, which are used to increase the friction between the hand and the rotating rod.

[0015] The base is equipped with mounting ears; the mounting ears are provided with a reminder structure, and by providing mounting ears, it is easy to fix the base to the EDM machine.

[0016] The reminder structure includes an alarm mounted on the base and a mounting slot at the bottom of the mounting ear. A switch and a spring are mounted on the mounting ear through the mounting slot. A movable column is mounted at the bottom of the spring and is movably inserted into the mounting slot. A contact rod is mounted at the top of the movable column. The switch and the alarm are electrically connected. By setting up the reminder structure, gaps between the base and the EDM machine can be minimized.

[0017] The beneficial effects of this utility model are:

[0018] By setting up a lifting structure and rotating the rotating rod, the clamping platform is moved upward, so that the top of the clamping platform is exposed to the working fluid. At this time, the workpiece is clamped, which avoids the light refraction in the working fluid affecting the position of the workpiece when it is manually placed, thus preventing the workpiece from being clamped as required.

[0019] The alarm mechanism ensures that when the mounting position of the base plate on the EDM machine becomes loose, the movable column continues to contact the mounting position on the EDM machine, while the contact rod no longer presses the switch, thus triggering the alarm. This serves to remind the operator to inspect the base plate installation and prevent it from tilting, which could affect the machining accuracy of the workpiece. Attached Figure Description

[0020] Figure 1 This is a schematic diagram illustrating the overall structure of the device.

[0021] Figure 2 This utility model is a cross-sectional schematic diagram showing the lifting structure;

[0022] Figure 3 This utility model provides a sectional view of the internal structure of the mounting slot.

[0023] Figure 4 This utility model Figure 3 Enlarged view of point A in the middle.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1. Base platform;

[0026] 2. Clamping platform;

[0027] 3. Clamping structure; 301. First clamping block; 302. Second clamping block; 303. Slide groove; 304. First bearing; 305. First threaded rod; 306. First anti-slip groove; 307. Slider;

[0028] 4. Lifting structure; 401. Operating groove; 402. Second bearing; 403. Rotating rod; 404. Second anti-slip groove; 405. Second threaded rod; 406. Threaded groove; 407. Limiting groove; 408. Limiting rod;

[0029] 5. Install the ear;

[0030] 6. Reminder structure; 601. Mounting slot; 602. Spring; 603. Movable column; 604. Contact rod; 605. Switch; 606. Alarm. Detailed Implementation

[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0032] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0033] In the description of this application, the term "for example" is used to mean "used as an example, illustration, or description." Any embodiment described as "for example" in this application is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is provided to enable any person skilled in the art to implement and use the present invention. Details are set forth in the following description for purposes of explanation. It should be understood that those skilled in the art will recognize that the present invention can be implemented without using these specific details. In other instances, well-known structures and processes will not be described in detail to avoid obscuring the description of the present invention with unnecessary detail. Therefore, the present invention is not intended to be limited to the embodiments shown, but is consistent with the broadest scope of the principles and features disclosed in this application.

[0034] Reference Figure 1 An electrical discharge machining (EDM) clamping device includes a base 1, on which a clamping platform 2 is detachably mounted; a clamping structure 3 is mounted on the clamping platform 2; the clamping structure 3 includes a first clamping block 301 mounted on the clamping platform 2 and a second clamping block 302 sliding on the top of the clamping platform 2; a sliding groove 303 is provided on the clamping platform 2; a first threaded rod 305 is rotatably connected to the clamping platform 2 through the sliding groove 303; a slider 307 is slidably connected to the clamping platform 2 through the sliding groove 303; one side of the slider 307 is connected to one side of the second clamping block 302; the outer side of the first threaded rod 305 is threadedly connected to the inner wall of the slider 307; by mounting the base 1 on an EDM machine, and then placing the workpiece between the first clamping block 301 and the second clamping block 302, the first threaded rod 305 is rotated, causing the slider 307 to move; the movement of the slider 307 causes the movement of the second clamping block 302, thereby achieving the effect of clamping the workpiece.

[0035] The clamping table 2 is equipped with a first bearing 304 via a slide groove 303. The outer side of the first threaded rod 305 is connected to the inner ring of the first bearing 304. The first bearing 304 is used to support and assist the first threaded rod 305 in rotating.

[0036] The first threaded rod 305 has multiple first anti-slip grooves 306, which are used to increase the friction between the hand and the first threaded rod 305.

[0037] Reference Figure 2A lifting structure 4 is provided on the base platform 1. The lifting structure 4 includes an operating groove 401 on the base platform 1 and a threaded groove 406 on the bottom of the clamping platform 2. The base platform 1 is rotatably connected to a rotating rod 403 through the operating groove 401. A second threaded rod 405 is installed at the top of the rotating rod 403. The second threaded rod 405 is threadedly connected to the clamping platform 2 through the threaded groove 406. A limiting groove 407 is provided at the top of the base platform 1, and a limiting rod 408 is installed at the bottom of the clamping platform 2. The limiting rod 408 is movably inserted into the limiting groove 407. According to the above technical solution, when it is necessary to clamp the workpiece, the rotating rod 403 is rotated, which drives the second threaded rod 405 to rotate. The rotation of the second threaded rod 405 drives the clamping platform 2 to move upward, so that the top of the clamping platform 2 is exposed to the working fluid. At this time, the workpiece is clamped, which avoids the light refraction in the working fluid from affecting the position of the workpiece when it is manually placed, thus preventing the workpiece from being clamped as required.

[0038] The base 1 is equipped with a second bearing 402 via an operating slot 401. The outer side of the rotating rod 403 is connected to the inner ring of the second bearing 402. The second bearing 402 is used to support and assist the rotation of the rotating rod 403.

[0039] Multiple second anti-slip grooves 404 are provided on the rotating rod 403 to increase the friction between the hand and the rotating rod 403.

[0040] Reference Figure 1 The base 1 is equipped with mounting ears 5, which are used to fix the base 1 to the EDM machine with bolts.

[0041] Reference Figure 3 and Figure 4 The mounting ear 5 is equipped with a reminder structure 6, which includes an alarm 606 mounted on the base 1 and a mounting groove 601 opened at the bottom of the mounting ear 5. The mounting ear 5 is equipped with a switch 605 and a spring 602 through the mounting groove 601. A movable column 603 is mounted at the bottom end of the spring 602 and is movably inserted into the mounting groove 601. A contact rod 604 is mounted at the top end of the movable column 603. The switch 605 and the alarm 606 are electrically connected. According to the above technical solution, when the base 1 is loosened from the mounting position on the EDM machine, the movable column 603 continues to contact the mounting position on the EDM machine, while the contact rod 604 no longer presses the switch 605, thereby causing the alarm 606 to sound. This achieves the purpose of reminding the staff to inspect the installation of the base 1 and avoid the base 1 from tilting and affecting the machining accuracy of the workpiece.

[0042] Among them, the specific model of switch 605 is TS-2030-2-C, which meets the IP67 standard for waterproofing. The alarm 606 adopts the waterproof AH-150-DL produced by Shandong Zhuoxin Machinery Co., Ltd. The circuit connection method of the two can be reasonably set according to the actual situation, and the signal transmission method of the two is the existing technology.

[0043] Working principle:

[0044] When the workpiece needs to be clamped, the EDM clamping device rotates the rotating rod 403, which drives the second threaded rod 405 to rotate. The rotation of the second threaded rod 405 causes the clamping table 2 to move upward, so that the top of the clamping table 2 is exposed to the working fluid. At this time, the workpiece is clamped, which avoids the influence of light refraction in the working fluid on the position of the workpiece when it is manually placed, thus preventing the workpiece from being clamped as required.

[0045] When the base 1 is loosened from the mounting position on the EDM machine, the movable column 603 continues to contact the mounting position on the EDM machine, and the contact rod 604 no longer presses the switch 605, thereby causing the alarm 606 to sound. This serves to remind the staff to inspect the installation of the base 1 and to avoid tilting the base 1, which could affect the machining accuracy of the workpiece.

[0046] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0047] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. An electrical discharge machining holding device comprising a base table (1), characterized in that, The base table (1) is detachably provided with a clamping table (2); The clamping table (2) is provided with a clamping structure (3); The clamping structure (3) comprises a first clamping block (301) mounted on the clamping table (2) and a second clamping block (302) sliding on the top of the clamping table (2), the clamping table (2) is provided with a sliding groove (303), the clamping table (2) is rotatably connected with a first threaded rod (305) through the sliding groove (303), the clamping table (2) is slidingly connected with a sliding block (307) through the sliding groove (303), one side of the sliding block (307) is connected with one side of the second clamping block (302), and the outer side of the first threaded rod (305) is threadedly connected with the inner wall of the sliding block (307); The base table (1) is provided with a lifting structure (4); The lifting structure (4) comprises an operation groove (401) formed on the base table (1) and a threaded groove (406) formed on the bottom of the clamping table (2), the base table (1) is rotatably connected with a rotating rod (403) through the operation groove (401), the top end of the rotating rod (403) is provided with a second threaded rod (405), the second threaded rod (405) is threadedly connected with the clamping table (2) through the threaded groove (406), and the top of the base table (1) is provided with a limiting groove (407), the bottom of the clamping table (2) is provided with a limiting rod (408), and the limiting rod (408) is movably inserted into the limiting groove (407).

2. The electrical discharge machining holding device according to claim 1, wherein The clamping table (2) is provided with a first bearing (304) through the sliding groove (303), and the outer side of the first threaded rod (305) is connected with the inner ring of the first bearing (304).

3. The apparatus according to claim 1, wherein A plurality of first anti-skid grooves (306) are formed in the first threaded rod (305).

4. The apparatus according to claim 1, wherein The base table (1) is provided with a second bearing (402) through the operation groove (401), and the outer side of the rotating rod (403) is connected with the inner ring of the second bearing (402).

5. The apparatus according to claim 1, wherein A plurality of second anti-skid grooves (404) are formed in the rotating rod (403).

6. The electro-discharge machining holding device according to claim 1, wherein The base table (1) is provided with a mounting lug (5); The mounting lug (5) is provided with a reminding structure (6).

7. The electro-discharge machining holding device according to claim 6, wherein The reminding structure (6) comprises a siren (606) mounted on the base table (1) and a mounting groove (601) formed in the bottom of the mounting lug (5), the mounting lug (5) is provided with a switch (605) and a spring (602) through the mounting groove (601), the bottom end of the spring (602) is provided with a movable column (603), the movable column (603) is movably inserted into the mounting groove (601), the top end of the movable column (603) is provided with a touch rod (604), and the switch (605) and the siren (606) are electrically connected.

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