CN207547803U - A kind of fixture of the different thickness of spark cutting size and height workpiece - Google Patents

Abstract

The utility model provides a fixture for electric spark cutting workpieces with different thicknesses and heights. The horizontal adjustment pressure plate and the adjustment screw are precisely welded and connected; the adjustment screw, hexagonal nut, washer, nut fixing seat, horizontal adjustment pressure plate and lateral compression baffle jointly perform horizontal clamping and anti-loosening adjustment; The adjustment screw is fixedly connected to the adjustment handle; the nut holder is fixedly connected to the base plate; the adjustment screw is connected to the nut holder by threads; the L-shaped slider and the L-shaped slider block The plates are jointly used for longitudinal clamping and anti-loosening adjustment; the L-shaped slider is provided with bolt countersunk holes, and the bolts are placed in the strip limit holes and the bolt counterbores on the L-shaped slider, and the bolts can be placed in the long Rotate up and down in the bar limit hole and threaded hole, so as to realize the compression of the L-shaped slider. The utility model has the advantages of simple structure and convenient operation, and can carry out horizontal and vertical clamping and loosening according to workpieces of different thicknesses and heights.

Description

A fixture for EDM cutting workpieces with different thicknesses and heights

technical field

The utility model relates to the technical field of electric spark cutting, in particular to a fixture for electric spark cutting workpieces with different thicknesses and heights.

Background technique

EDM belongs to special processing. The object of EDM can be not only workpieces of general materials, but also various metal materials with high melting point, high strength and high toughness that are difficult to process by traditional cutting methods, and workpieces with high precision requirements. Especially suitable for the processing of mold parts. In order to ensure the machining accuracy and quality of the workpiece, the workpiece should be firmly clamped. Now there are many types of fixtures, and it is necessary to switch the fixture according to workpieces of different thickness and height, and there are few fixtures that can stably and reliably clamp workpieces of different sizes. Therefore, the utility model designs a clamp for workpieces of different sizes.

Contents of the invention

The utility model provides a fixture for workpieces of various thicknesses and heights, which can clamp and prevent loosening in the horizontal and vertical directions at the same time, ensuring the stability and reliability of the clamping, high cutting precision, and saving the time for switching fixtures , greatly improving the processing efficiency.

The technical scheme adopted in the utility model is:

A fixture for EDM cutting workpieces with different thicknesses and heights. Block baffle and L-shaped slider hold down bolts. The clamp body includes a base plate, a lateral compression baffle, an L-shaped slider and a nut holder; the lateral adjustment pressure plate is welded together with the adjustment screw; the thread on the adjustment screw and the nut holder hole connection; the hexagon nut and the washer play the role of fixing the adjustment screw; the L-shaped slider slides relative to the L-shaped slide rail; the L-shaped slider compression bolt is limited by the strip The hole and the L-shaped slider play a pressing role; the L-shaped slider baffle is fixed on the base plate.

A fixture for EDM cutting workpieces with different thicknesses and heights as described above, wherein: the L-shaped slider is slidably connected to the base plate.

A fixture for electric spark cutting workpieces with different thicknesses and heights as described above, wherein: the adjustment screw, the nut holder, the hexagon nut, the washer, the horizontal adjustment pressure plate and the horizontal adjustment baffle jointly carry out the horizontal clamping. Tightening and anti-loosening adjustment; the nut fixing seat is fixedly connected with the base plate; the horizontal adjustment pressure plate is fixedly connected with the adjustment screw.

A fixture for EDM cutting workpieces of different thicknesses and heights as described above, wherein: the nut fixing seat is provided with a screw counterbore and is threadedly connected to the adjustment screw.

A fixture for electric spark cutting workpieces with different thicknesses and heights as described above, wherein: the L-shaped slider clamping bolt, the L-shaped slider and the L-shaped slider baffle plate jointly perform longitudinal clamping and For anti-loosening adjustment, the L-shaped slider is slidably connected with the base plate; the bolt is screw-threadedly connected with the counterbore of the bolt.

The beneficial effects of the utility model are:

The utility model provides a fixture for electric spark cutting workpieces with different thicknesses and heights, which can perform positioning, clamping and anti-loosening according to the thickness and height of the workpieces, and can clamp workpieces of different sizes, even if the thickness and height of the workpieces are changeable. , this fixture can also be clamped flexibly, which can improve production efficiency. The fixture has the advantages of simple structure, convenient operation and high clamping stability.

Description of drawings:

Fig. 1 is the structural isometric drawing of the present utility model.

Fig. 2 is a top view of the structure of the utility model.

Fig. 3 is a schematic diagram of the structural base of the present invention.

Fig. 4 is a schematic diagram of the structural adjustment lead screw of the present invention.

Fig. 5 is a structural schematic diagram of an L-shaped slider of the present invention.

Fig. 6 is a structural schematic diagram of the pressing bolt of the L-shaped sliding block of the utility model.

1. Adjusting handle, 2. Base plate, 3. Hex nut, 4. Nut holder, 5. Adjusting screw, 6. Horizontal adjustment pressure plate, 7. Horizontal compression baffle, 8. Strip limit hole, 9. L-shaped slider slide rail, 10, L-shaped slider, 11, washer, 12, L-shaped slider baffle, 13, clip body, 14, bolt counterbore, 15, lead screw counterbore, 16, L-shaped slide Block compression bolts.

Detailed ways:

The specific embodiment of the utility model is described in detail below in conjunction with accompanying drawing:

A fixture for EDM cutting workpieces with different thicknesses and heights, which is characterized in that it mainly includes a clamp body 13 arranged on the workbench of an EDM machine tool, and the clamp body 13 is provided with an adjusting screw 5 and a nut fixing seat 4 , Horizontal adjustment pressure plate 6, L-shaped slider baffle plate 12 and L-shaped slider compression bolt 16. The clamp body 13 includes a base plate 2, a lateral compression baffle 7, an L-shaped slider 10 and a nut holder 4; the lateral adjustment pressure plate 6 is welded together with the adjustment screw 5; the adjustment screw 5 is connected with the threaded hole on the nut holder 4; the hex nut 3 and the washer 11 play the role of fixing the adjusting screw 5; the L-shaped slider 10 slides relative to the L-shaped slider slide rail 9 The L-shaped slider clamping bolt 16 plays a role of compression through the strip limit hole 8 and the L-shaped slider 10 ; the L-shaped slider baffle plate 12 is fixed on the base plate 2 .

The L-shaped slider 10 is slidingly connected with the base plate 2 .

The adjusting screw 5, the nut holder 4, the hex nut 3, the washer 11, the lateral adjustment platen 6 and the lateral adjustment baffle 7 jointly perform lateral clamping and anti-loosening adjustment; the nut holder 4 and the The above-mentioned base plate 2 is fixedly connected; the above-mentioned horizontal adjustment pressure plate 6 is fixedly connected with the above-mentioned adjustment screw 5 .

The nut holder 4 is provided with a lead screw counterbore 15 which is threadedly connected with the adjustment lead screw 5 .

The L-shaped slider clamping bolt 16, the L-shaped slider 10 and the L-shaped slider baffle plate 7 jointly perform longitudinal clamping and anti-loosening adjustment, and the L-shaped slider 10 and the base plate 2 Sliding connection; the bolt is connected with the screw counterbore of the bolt in rotation.

First put the clamp body 13 at a suitable position on the EDM workbench. When using this clamp, adjust the opening distance of the two L-shaped sliders 10 according to the thickness of the workpiece to be processed, and install the workpiece on the two L-shaped sliders. In the middle of the block 10, put the L-shaped slider pressing bolt 16 in the bolt sink hole and the strip limit hole, and press the L-shaped slider. The pressing bolt 16 is rotated downward relative to the shoulders of the L-shaped slider 10 to fix A good L-shaped slider 10 can limit the longitudinal movement of the workpiece. Turn the adjustment handle 1 to make the adjustment screw 5 rotate relative to the nut holder 4, and when it is rotated to the height of the workpiece, tighten the hex nut 3 to limit the lateral movement of the workpiece.

Claims (5)

1. A fixture for electric discharge cutting different thickness and height workpieces, characterized in that: it mainly includes a clamp body arranged on the workbench of an electric discharge machine tool, and the clamp body is provided with an adjusting screw, a nut holder, a lateral Adjust the pressure plate, the L-shaped slider baffle and the L-shaped slider compression bolt. The clamp body includes the base plate, the lateral compression baffle, the L-shaped slider and the nut holder. The horizontal adjustment pressure plate and the adjustment wire The rods are welded together, the adjusting screw is connected with the threaded hole on the nut holder, and the adjusting screw is provided with a hexagonal nut and a washer, and the hexagonal nut and the washer play the role of fixing the adjusting screw. The L-shaped slider slides relative to the L-shaped slide rail, and the L-shaped slider clamping bolt plays a role of pressing the L-shaped slider through the strip limit hole, and the L-shaped slider The baffle is fixed on the base plate. 2 . The fixture for EDM cutting workpieces with different thicknesses and heights according to claim 1 , wherein the L-shaped slider is slidably connected to the base plate. 3 . 3. A fixture for EDM cutting workpieces with different thicknesses and heights according to claim 1, characterized in that: said adjusting screw, nut holder, hex nut, washer, horizontal adjustment platen and horizontal adjustment The baffles together perform lateral clamping and anti-loosening adjustment, the nut fixing seat is fixedly connected to the base plate, and the lateral adjustment pressure plate is fixedly connected to the adjustment screw. 4. A fixture for EDM cutting workpieces with different thicknesses and heights according to claim 1, characterized in that: said nut holder is provided with a lead screw counterbore and is threadedly connected with said adjustment lead screw . 5. A fixture for EDM cutting workpieces with different thicknesses and heights according to claim 1, characterized in that: the L-shaped slider pressing bolt, the L-shaped slider and the L-shaped slider baffle The longitudinal clamping and anti-loosening adjustments are performed together, the L-shaped slider is slidably connected to the base plate, and the bolt is rotatably connected to the counterbore of the bolt.