Electric spark inclined machining jig

Abstract

The utility model relates to the technical field of electric spark machining jigs, in particular to an electric spark inclined machining jig which comprises a base, semi-circular vertical plates, an adjusting base and a clamping platform, the upper end of the base is symmetrically and fixedly connected with the two semi-circular vertical plates, the opposite sides of the two semi-circular vertical plates are provided with arc-shaped sliding grooves, and the arc-shaped sliding grooves are connected with the adjusting base. The adjusting base is arranged on the two semicircular vertical plates, and a clamping platform is arranged on the adjusting base; when the clamping device is used, the fastening bolts which are spirally connected in the threaded seats are screwed outwards, so that the fastening bolts are separated from abutting and fixing on the outer surfaces of the semicircular vertical plates, the adjusting base can slide in an arc shape along the two semicircular vertical plates, and the left-right inclination angle of the clamping platform on the adjusting base can be adjusted; according to machining requirements, leftward or rightward inclination adjustment can be selected, the adjusting base can be fixed by screwing the fastening bolt again after the adjusting base is adjusted to a proper inclination angle, operation is easy and convenient, and good flexibility is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of EDM fixtures, and particularly relates to an EDM inclined machining fixture. Background Art

[0002] A spark machine is a kind of machining equipment, mainly used for EDM machining, and is widely used in the manufacturing of various metal molds and mechanical equipment. It is a special machining method that uses the electro-erosion effect generated by pulsed discharge between two poles immersed in the working fluid to erode conductive materials.

[0003] At present, most of the existing EDM inclined machining fixtures are fixedly installed structures, and the inclination angle of the machining fixture cannot be adjusted conveniently, so that the machining range of the EDM workpiece on the workpiece or mechanism cannot be expanded, and the EDM workpiece cannot be effectively machined, having certain limitations in use.

[0004] Based on this, the utility model designs an EDM inclined machining fixture to solve the above problems. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the deficiencies existing in the prior art, and provide an EDM inclined machining fixture.

[0006] To achieve the above purpose, the utility model provides the following technical solution: An EDM inclined machining fixture, including a base, semi-circular vertical plates, an adjusting base and a clamping platform. Two semi-circular vertical plates are symmetrically and fixedly connected to the upper end of the base. Arc-shaped chutes are opened on the opposite sides of the two semi-circular vertical plates. The adjusting base is arranged on the two semi-circular vertical plates, and a clamping platform is arranged on the adjusting base;

[0007] The adjusting base includes a bottom plate, a seat body, a clamping groove, an arc-shaped slider, a threaded seat, a fastening bolt, a shaft seat and a hydraulic cylinder. The seat body is fixedly connected to the lower end of the bottom plate, and two clamping grooves are symmetrically opened at the lower end of the seat body.

[0008] As a preferred technical solution of the utility model, arc-shaped sliders are arranged inside the two clamping grooves, threaded seats are arranged on the side walls of the front and back of the seat body, fastening bolts are threadedly connected inside the threaded seats, a shaft seat is fixedly connected to the center of the upper end of the bottom plate, hydraulic cylinders are arranged in front of and behind the shaft seat, and the lower ends of the hydraulic cylinders are fixedly installed inside the bottom plate.

[0009] As a preferred technical solution of the utility model, the two clamping grooves symmetrically opened on the seat body are respectively in interference fit with the two semi-circular vertical plates, and the arc-shaped sliders arranged inside the seat body are respectively slidably arranged in the arc-shaped chutes opened on the semi-circular vertical plates.

[0010] As a preferred technical solution of the utility model, two limit grooves are symmetrically provided on the upper end of the clamping platform, a square groove is arranged between the two limit grooves, a positive and negative screw rod is movably connected in the square groove, a hand wheel is arranged at the right end of the positive and negative screw rod, and two bolt seats are symmetrically provided on the bottom of the clamping platform, a connecting seat is arranged between the two bolt seats, and the connecting seat is fixedly connected to the bottom of the clamping platform.

[0011] As a preferred technical solution of the utility model, clamping plates are provided on the positive and negative teeth of the positive and negative screw rods, and the clamping plates include a plate body, a sliding block and a limit block. Two limit blocks are symmetrically provided at the bottom end of the plate body, and a sliding block is provided between the two limit blocks, and the sliding block is fixedly connected to the plate body.

[0012] As a preferred technical solution of the utility model, the sliding block at the bottom end of the plate body is spirally connected to the positive and negative threaded rods, and the two limit blocks symmetrically arranged at the bottom end of the plate body are respectively slidably arranged in the corresponding limit grooves.

[0013] As a preferred technical solution of the utility model, the connecting seat at the bottom of the clamping platform is rotatably connected to the shaft seat on the adjusting base, and the two bolt seats symmetrically arranged at the bottom of the clamping platform are respectively movably connected to the two hydraulic cylinders symmetrically arranged on the adjusting base.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. When the utility model is in use, the fastening bolts which are spirally connected in the threaded seat are screwed outwards to release the fastening bolts from the interference fixation on the outer surface of the semicircular vertical plate, so that the adjusting base can slide in an arc along the two semicircular vertical plates, and the left and right inclination angles of the clamping platform on the adjusting base can be adjusted. The inclination adjustment can be made to the left or right according to the processing requirements. After adjusting to the appropriate inclination angle, the fastening bolts can be tightened again to fix the adjusting base. The operation is simple and convenient, and the utility model has good flexibility.

[0016] 2. When the utility model is in use, the clamping platform can be flipped forward and backward on the adjusting base by controlling the telescopic length of the two hydraulic cylinders, thereby adjusting the front and rear tilt angle of the clamping platform, so that the processing fixture can be tilted forward and backward to further meet the processing needs, and the forward and reverse screw rods are driven to rotate by turning the hand wheel. The rotation of the forward and reverse screw rods causes the clamping plates threaded on the forward and reverse teeth thereof to move toward or in the opposite direction, thereby achieving the clamping and disassembly of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a schematic top view structure diagram of the present utility model;

[0020] Figure 3 is an exploded structure schematic diagram of the present utility model;

[0021] Figure 4 is a schematic diagram of the adjustment base structure of the present utility model;

[0022] Figure 5 is a schematic diagram of the clamping platform structure of the present utility model;

[0023] Figure 6 is a schematic diagram of the clamping plate structure of the present utility model.

[0024] In the figure: 1, base; 2, semi-circular vertical plate; 201, arc-shaped chute; 3, adjustment base; 301, plate body; 302, seat body; 303, card slot; 304, arc-shaped slider; 305, threaded seat; 306, fastening bolt; 307, shaft seat; 308, hydraulic cylinder; 4, clamping platform; 401, limit groove; 402, square groove; 403, left and right hand thread lead screw; 4031, hand wheel; 404, clamping plate; 4041, plate body; 4042, sliding block; 4043, limit block; 405, connecting seat; 406, bolt seat. Detailed implementation manners

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying Figure 1-6 , 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. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] Please refer to Figure 1-6, the present utility model provides the following technical solutions: An electric discharge machining fixture for inclined machining, comprising a base 1, semi-circular vertical plates 2, an adjustment base 3, and a clamping platform 4. Two semi-circular vertical plates 2 are symmetrically and fixedly connected to the upper end of the base 1. Arc-shaped sliding grooves 201 are provided on the opposite sides of the two semi-circular vertical plates 2. The adjustment base 3 is arranged on the two semi-circular vertical plates 2, and a clamping platform 4 is arranged on the adjustment base 3. The adjustment base 3 includes a bottom plate 301, a seat body 302, a clamping groove 303, an arc-shaped sliding block 304, a threaded seat 305, a fastening bolt 306, a shaft seat 307, and a hydraulic cylinder 308. The lower end of the bottom plate 301 is fixedly connected to the seat body 302, and two clamping grooves 303 are symmetrically opened at the lower end of the seat body 302.

[0027] Arc-shaped sliding blocks 304 are arranged inside the two clamping grooves 303. Threaded seats 305 are arranged on the side walls of the front and back of the seat body 302. Fastening bolts 306 are threadedly connected inside the threaded seats 305. A shaft seat 307 is fixedly connected to the center of the upper end of the bottom plate 301. Hydraulic cylinders 308 are arranged in front of and behind the shaft seat 307, and the lower ends of the hydraulic cylinders 308 are fixedly installed inside the bottom plate 301.

[0028] The two clamping grooves 303 symmetrically opened on the seat body 302 are respectively in fit connection with the two semi-circular vertical plates 2, and the arc-shaped sliding blocks 304 provided inside the seat body 302 are respectively slidably arranged in the arc-shaped sliding grooves 201 opened on the semi-circular vertical plates 2.

[0029] Through the movable connection between the above-mentioned semi-circular vertical plates 2 and the adjustment base 3, the adjustment base 3 can move in an arc along the semi-circular vertical plates 2. The movement of the adjustment base 3 drives the clamping platform 4 to move and tilt simultaneously, so as to realize the adjustment of the left and right tilt angles of the clamping platform 4. The adjustment is simple and convenient, and has good flexibility.

[0030] Please refer to Figure 1 , Figure 2 , Figure 5 and Figure 6 , two limiting grooves 401 are symmetrically opened at the upper end of the clamping platform 4. A square groove 402 is arranged between the two limiting grooves 401. A left-right threaded lead screw 403 is movably connected inside the square groove 402. A hand wheel 4031 is arranged at the right end of the left-right threaded lead screw 403. Two bolt seats 406 are symmetrically arranged at the bottom of the clamping platform 4. A connecting seat 405 is arranged between the two bolt seats 406, and the connecting seat 405 is fixedly connected to the bottom of the clamping platform 4.

[0031] Clamping plates 404 are arranged on the right-handed and left-handed threads of the left-right threaded lead screw 403. The clamping plate 404 includes a plate body 4041, a sliding block 4042, and a limiting block 4043. Two limiting blocks 4043 are symmetrically arranged at the bottom end of the plate body 4041. A sliding block 4042 is arranged between the two limiting blocks 4043, and the sliding block 4042 is fixedly connected to the plate body 4041.

[0032] The sliding block 4042 at the bottom end of the plate body 4041 is helically connected to the right and left hand lead screw 403, and two limiting blocks 4043 symmetrically arranged at the bottom end of the plate body 4041 are respectively slidably arranged in the corresponding limiting grooves 401.

[0033] The connecting seat 405 at the bottom of the clamping platform 4 is rotatably connected to the shaft seat 307 on the adjusting base 3, and two bolt seats 406 symmetrically arranged at the bottom of the clamping platform 4 are respectively movably connected to two hydraulic cylinders 308 symmetrically arranged on the adjusting base 3.

[0034] Through the connection structure design among the shaft seat 307, the hydraulic cylinders 308, the connecting seat 405 and the bolt seats 406, by controlling the telescopic lengths of the two hydraulic cylinders 308, the adjustment of the front and rear tilt angles of the clamping platform 4 can be realized to meet the processing requirements of electric discharge machining.

[0035] The working principle and usage process of the present utility model: In specific use, when it is necessary to adjust the left and right tilt angles of the processing fixture, by screwing out the two fastening bolts 306 on the adjusting base 3 from the threaded seat 305 to make the fastening bolts 306 disengage from the abutting fixation of the semi-circular vertical plate 2, the adjusting base 3 can slide left or right along the semi-circular vertical plate 2 to realize the adjustment of the left or right tilt angle of the clamping platform 4 for tilt adjustment according to the processing requirements. When it is necessary to adjust the front and rear tilt angles of the processing fixture, only the telescopic lengths of the two hydraulic cylinders 308 need to be adjusted respectively to control the clamping platform 4 to tilt forward or backward and adjust the front and rear tilt angles of the clamping platform 4, thereby further expanding the processing range of the electric discharge machining parts for workpieces or mechanisms.

[0036] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An electrospark tilting machining jig, comprising a base (1), a semicircular vertical plate (2), an adjustment base (3) and a clamping platform (4), characterized in that: The upper end of the base (1) is symmetrically fixedly connected to two semicircular vertical plates (2), and arc-shaped sliding grooves (201) are provided on the opposite sides of the two semicircular vertical plates (2). The adjustment base (3) is arranged on the two semicircular vertical plates (2), and a clamping platform (4) is arranged on the adjustment base (3); The adjustment base (3) comprises a base plate (301), a base body (302), a slot (303), an arc-shaped slide block (304), a threaded base (305), a fastening bolt (306), an axle base (307) and a hydraulic cylinder (308); the base body (302) is fixedly connected to the lower end of the base plate (301); and two slots (303) are symmetrically provided at the lower end of the base body (302).

2. The electrospark tilting machining jig according to claim 1, characterized in that: The two clamping grooves (303) are each provided with an arc-shaped sliding block (304), the side walls on the front and back sides of the seat body (302) are each provided with a threaded seat (305), a fastening bolt (306) is threadedly connected to the threaded seat (305), an axle seat (307) is fixedly connected to the center of the upper end of the base plate (301), hydraulic cylinders (308) are provided at the front and rear sides of the axle seat (307), and the lower end of the hydraulic cylinder (308) is fixedly installed in the base plate (301).

3. The electrospark tilting machining jig according to claim 1, characterized in that: Two symmetrically formed slots (303) on the seat body (302) are respectively engaged with the two semicircular upright plates (2), and arc-shaped sliding blocks (304) provided inside the seat body (302) are respectively slidably disposed in the arc-shaped sliding slots (201) formed on the semicircular upright plates (2).

4. The electrospark tilting machining jig according to claim 1, characterized in that: Two limit grooves (401) are symmetrically provided at the upper end of the clamping platform (4), a square groove (402) is provided between the two limit grooves (401), a positive and negative threaded rod (403) is movably connected in the square groove (402), a hand wheel (4031) is provided at the right end of the positive and negative threaded rod (403), and two bolt seats (406) are symmetrically provided at the bottom of the clamping platform (4), a connecting seat (405) is provided between the two bolt seats (406), and the connecting seat (405) is fixedly connected to the bottom of the clamping platform (4).

5. The electrospark tilting machining jig according to claim 4, characterized in that: A clamping plate (404) is provided on both the positive and negative threads of the positive and negative threaded screw rods (403), and the clamping plate (404) comprises a plate body (4041), a sliding block (4042) and a limit block (4043), and two limit blocks (4043) are symmetrically provided at the bottom end of the plate body (4041), and a sliding block (4042) is provided between the two limit blocks (4043), and the sliding block (4042) is fixedly connected to the plate body (4041).

6. The electrospark tilting machining jig according to claim 5, characterized in that: The sliding block (4042) at the bottom end of the plate body (4041) is spirally connected to the positive and negative threaded rods (403), and two limit blocks (4043) symmetrically arranged at the bottom end of the plate body (4041) are respectively slidably arranged in corresponding limit grooves (401).

7. The electrospark tilting machining jig according to claim 1, characterized in that: The connecting seat (405) at the bottom of the clamping platform (4) is rotatably connected to the shaft seat (307) on the adjusting base (3), and the two bolt seats (406) symmetrically arranged at the bottom of the clamping platform (4) are movably connected to the two hydraulic cylinders (308) symmetrically arranged on the adjusting base (3).

Images