CN115780937A - Material clamping device for wire cut electric discharge machine - Google Patents
Material clamping device for wire cut electric discharge machine Download PDFInfo
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- CN115780937A CN115780937A CN202211494581.XA CN202211494581A CN115780937A CN 115780937 A CN115780937 A CN 115780937A CN 202211494581 A CN202211494581 A CN 202211494581A CN 115780937 A CN115780937 A CN 115780937A
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- 239000000463 material Substances 0.000 title claims abstract description 53
- 238000003825 pressing Methods 0.000 claims abstract description 54
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 description 11
- 210000003128 head Anatomy 0.000 description 9
- 210000001747 pupil Anatomy 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000009763 wire-cut EDM Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The invention relates to a material clamping device for a wire cut electric discharge machine, which comprises a convex base, a concave slide block, a guide rail, an L-shaped stopper, a cross pan head screw, a positioning rod, a threaded rod, a downward pressing clamping assembly and a sliding clamping assembly, wherein the concave slide block is arranged on the convex base; the concave sliding block is fixed on the convex base through a cross pan head screw, and the guide rail is excessively matched on the concave sliding block; the L-shaped stopper is fixed at the determined position of the guide rail through a dovetail groove; the pressing and clamping assembly is connected with the L-shaped stopper through the positioning rod and the threaded rod; the sliding clamping component is matched on the guide rail in a sliding mode. When the clamping device is used, the pressing clamping assembly and the sliding clamping assembly are adjusted according to the size of a material, and the pressing clamping assembly and the sliding clamping assembly and the L-shaped stopper limit six degrees of freedom of the material in space together, so that the material is completely clamped.
Description
Technical Field
The invention relates to the technical field of mechanical manufacturing positioning and clamping, in particular to a material clamping device for a wire cut electric discharge machine.
Background
The wire cut electrical discharge machining is developed on the basis of electrical discharge machining, and the working principle of the wire cut electrical discharge machining is that a moving metal wire is used as an electrode, a machined workpiece is used as the other electrode, the two electrodes discharge within a certain distance, and instantaneous high temperature is released to melt metal for cutting machining while a medium is punctured. The wire cut electric discharge machine can be used for machining dies, parts and the like, and machining materials are generally conductors or semiconductors. Before processing, the processing materials need to be clamped and positioned.
At present, for a machining material with a large size, a clamp on a wire cut electric discharge machine can completely limit different degrees of freedom of the machining material, so that the machining material is fixed at a proper position to finish machining, but for a thin plate and a small-caliber bar, due to the reason that the size is too small, the clamping deflection phenomenon can inevitably occur during actual clamping, so that the machining error is large, the final machining quality is influenced, and meanwhile, material waste can be caused.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a material clamping device for a wire cut electric discharge machine, which can clamp materials of different sizes by using a pressing clamping assembly and a sliding clamping assembly in cooperation, so as to completely limit six degrees of freedom of the materials in space, and achieve good clamping and positioning effects.
The technical scheme adopted by the invention is as follows:
the invention provides a material clamping device for a wire cut electric discharge machine, which comprises a convex base, a concave slide block, a guide rail, an L-shaped stopper, a cross pan head screw, a positioning rod, a threaded rod, a downward pressing clamping assembly and a sliding clamping assembly, wherein the convex base is provided with a convex groove; the two convex bases are respectively arranged in parallel in a bilateral symmetry manner; the concave sliding blocks are respectively correspondingly matched on the front side and the rear side above each convex base in a sliding manner; guide rails are fixedly connected between the upper end faces of the concave sliding blocks corresponding to the same side on the two convex bases respectively, and the guide rails on the two sides are parallel to each other; dovetail grooves are uniformly distributed in one side area of the upper end surface of the guide rail; the L-shaped stoppers are respectively and correspondingly fixed in the dovetail grooves of the guide rails at the two sides; the threaded rod is longitudinally fixed in the middle of the upper end face of the L-shaped stopper; the positioning rods are respectively and longitudinally fixed on the front side and the rear side of the upper end surface of the L-shaped stopper; the lower pressing and clamping assemblies are respectively and vertically arranged inside the L-shaped stoppers at the two sides, the upper ends of the lower pressing and clamping assemblies are respectively in corresponding sliding fit with the positioning rod and the threaded rod at the same side, and the lower pressing and clamping assemblies can move up and down along the positioning rod and the threaded rod in the vertical direction of the space; the sliding clamping components are respectively in sliding fit on the guide rails on the two sides and can slide left and right along the guide rails.
Further, the L-shaped stopper comprises a base and a right-angle piece; the base corresponds to the dovetail groove in size and is in excessive fit with the dovetail groove; the right-angle piece is transversely and fixedly connected to one side of the upper end face of the base; three threaded holes are uniformly distributed in the upper end face of one side of the right-angle piece in parallel; the threaded rod is in threaded connection with a threaded hole in the middle; the positioning rods are respectively in threaded connection in the threaded holes on the two sides.
Furthermore, the downward pressing and clamping assembly comprises a connecting piece, a pressing piece, a hexagon nut, a connecting rod and a downward pressing and clamping block; the lower pressing and clamping block is a rectangular block, is arranged on the upper surface of the base and is respectively provided with a certain gap with the inner end surfaces of the two sides of the right-angle piece; the connecting rods are respectively symmetrically arranged at two ends of the upper end surface of the lower pressing clamping block and are connected with the lower pressing clamping block into a whole through threads; the connecting pieces are respectively and horizontally connected between the positioning rods and the connecting rods on the same side, one side of each connecting piece is in clearance fit with the lower part of each positioning rod, and the other side of each connecting piece is in interference fit with the upper part of each connecting rod; the pressing piece penetrates through the threaded rod and the positioning rods on the two sides from top to bottom, and the lower end faces on the two sides of the pressing piece are overlapped with the upper end faces of the connecting pieces on the two sides; the hexagonal nut is in threaded fit with the threaded rod, and the upper end face of the middle of the pressing piece is overlapped with the lower end face of the hexagonal nut.
Furthermore, the sliding clamping assembly comprises a T-shaped groove sliding clamping piece, a connecting threaded rod, a flat washer, a hexagon nut and a hexagon positioning bolt; the T-shaped groove sliding clamping piece is of a concave structure, is correspondingly matched on the guide rail in a sliding manner, and is provided with a T-shaped groove on the upper end surface; one side of the bottom of the T-shaped groove sliding clamping piece is vertically and fixedly connected with one side of the guide rail through a hexagonal positioning bolt; the sliding clamping piece is horizontally arranged in the T-shaped groove; the connecting threaded rod is in clearance fit with the T-shaped groove, and the lower end of the connecting threaded rod is connected with the sliding clamping piece into a whole; the plain washer and the hexagon nut are sequentially matched on the connecting threaded rod from top to bottom.
Furthermore, the parts of the press clamping assembly and the sliding clamping assembly are made of corrosion-resistant, friction-resistant and oxidation-resistant materials.
Furthermore, the middle parts of the outer end faces of the concave sliding blocks are fixed on the corresponding convex bases through cross pan head screws.
Compared with the prior art, the invention has the following beneficial effects:
for a material with a large size, the length of the L-shaped stopper at different dovetail grooves of the guide rail is adjusted to adapt to the material, different positions of the concave slider on the convex base are changed by adjusting the cross pan head screw, the distance between the front guide rail and the rear guide rail is changed to adapt to the width of the material, during specific clamping, one side of the material is attached to an upper right-angle part of the L-shaped stopper, the downward pressing and clamping assembly is adjusted to realize clamping in the vertical direction of the space, the downward pressing and clamping assembly is adjusted to realize clamping in the horizontal direction, the downward pressing and clamping assembly is matched with the sliding and clamping assembly for use, six degrees of freedom of the material space are completely limited, and the clamping quality is high.
For materials with small size, the same side of the material is attached to the upper right-angle piece of the L-shaped stopper during specific clamping, the horizontal rectangular surface and the vertical rectangular surface of the upper right-angle piece can be used as a positioning reference of the small-size materials, and when the downward pressing clamping assembly or the sliding clamping assembly is adjusted to clamp the small-size materials, the small-size materials can be prevented from deflecting, so that the small-size materials are completely clamped, the processing quality of the materials is improved, and the waste of the materials is reduced to a certain extent. The sliding clamping assembly can slide left and right on the guide rail, the pressing clamping assembly can be arranged at different positions of the dovetail groove, the material adaptability of the whole clamping work is good, and the clamping efficiency is high.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is a schematic view of a first female slider according to the present invention;
FIG. 4 is a schematic view of the structure of an L-shaped stopper according to the present invention;
FIG. 5 is a schematic view of the construction of the press down clamping assembly of the present invention;
FIG. 6 is a schematic view of the construction of the press down clamp of the present invention;
FIG. 7 is a schematic view of a first connector according to the present invention;
FIG. 8 is a schematic view of a second connector according to the present invention;
FIG. 9 is a schematic view of the construction of the compression member of the present invention;
FIG. 10 is a schematic view of the slip clamp assembly of the present invention;
FIG. 11 is a schematic view of the T-slot slip clamp of the present invention;
FIG. 12 is a schematic view of the construction of the flat washer according to the present invention;
FIG. 13 is a front view schematic of the present invention;
fig. 14 is a left side view schematic of the present invention.
Wherein, the reference numbers: 1-a first male base; 2-a second male base; 3-a first concave slider; 31-a first threaded hole; 4-a second concave slider; 5-a third concave slider; 6-fourth concave slider; 7-a front guide rail; 8-rear guide rail; 9- "L" type stopper; 91-lower base; 92-upper "right angle" piece; 921-horizontal rectangular plane; 922-vertical rectangular plane; 923-a second threaded hole; 924-a third threaded hole; 925-fourth threaded hole; 10-a cross pan head screw; 11-a first positioning rod; 12-a second positioning rod; 13-a threaded rod; 14-pressing down the clamping assembly; 141-pressing down the clamping block; 142-a first connector; 1421 — first pupil; 1422-second pupil; 143-a second connector; 1431-third unthreaded hole; 1432-fourth pupil; 144-a compression member; 1441 — fifth pupil; 1442 — sixth pupil; 1443 — seventh pupil; 145-a second hex nut; 146-first connecting rod; 147-a second connecting rod; 15-a slipping clamping assembly; 151- "T" shaped groove sliding clamping piece; 1511-fifth threaded hole; 1512- "T" shaped groove; 1513-upper end face; 152-a slip clamp; 153-connecting threaded rods; 154-flat washer; 1541-plain washer outer ring; 1542-inner ring of plain washer; 155-a first hexagonal nut; 156-hex set screw; 16-dovetail groove.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
It should be noted that in the description of the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", "one side", "the other side", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not mean that a device or an element must have a specific orientation, be configured in a specific orientation, and be operated.
Referring to fig. 1-14, a detailed structure of an embodiment of a material clamping device for a wire electric discharge machine according to the present invention is shown. The device comprises a first convex base 1, a second convex base 2, a first concave slide block 3, a second concave slide block 4, a third concave slide block 5, a fourth concave slide block 6, a front guide rail 7, a rear guide rail 8, an L-shaped stopper 9, a cross pan head screw 10, a first positioning rod 11, a second positioning rod 12, a threaded rod 13, a downward pressing clamping assembly 14 and a sliding clamping assembly 15; the first convex base 1 and the second convex base 2 are respectively arranged in parallel in bilateral symmetry at a certain distance; the first concave slide block 3 and the second concave slide block 4 are respectively correspondingly matched with the front side and the rear side above the first convex base 1 in a sliding way; the third concave slide block 5 and the fourth concave slide block 6 are respectively correspondingly matched with the front side and the rear side above the second convex base 2 in a sliding way; the front guide rail 7 is correspondingly and fixedly connected between the upper end surfaces of the first concave slide block 3 and the fourth concave slide block 6; the rear guide rail 8 is correspondingly and fixedly connected between the upper end surfaces of the second concave slide block 4 and the third concave slide block 5; and the front guide rail 7 and the rear guide rail 8 are parallel to each other; five dovetail grooves 16 are uniformly distributed in the left rear area of the upper end surfaces of the front guide rail 7 and the rear guide rail 8; the L-shaped stoppers 9 are respectively and correspondingly fixed in dovetail grooves 16 at determined positions on the front guide rail 7 and the rear guide rail 8 at two sides; the threaded rod 13 is longitudinally fixed in the middle of the upper end surface of the L-shaped stopper 9; the first positioning rod 11 and the second positioning rod 12 are respectively and longitudinally fixed on the front side and the rear side of the upper end surface of the L-shaped stopper 9; the downward pressing and clamping assemblies 14 are respectively and vertically arranged inside the L-shaped stoppers 9 on the two sides, the upper ends of the downward pressing and clamping assemblies are respectively in corresponding clearance fit with the first positioning rod 11, the second positioning rod 12 and the threaded rod 13 on the same side, and the downward pressing and clamping assemblies can move up and down along the positioning rods and the threaded rod in the vertical spatial direction; the sliding clamping assembly 15 is respectively matched on the front guide rail 7 and the rear guide rail 8 in a sliding manner and can respectively slide left and right along the front guide rail 7 and the rear guide rail 8.
Wherein, as shown in fig. 1 and 2, the "concave" portion of the first concave slider 3 is in sliding fit with the "convex" portion of the first convex base 1; the first concave sliding block 3 is fixed on the first convex base 1 through a cross pan head screw 10, and the other concave sliding blocks are matched with the convex base in the same way; the bottoms of the two ends of the front guide rail 7 are excessively matched on the first concave slide 3 and the fourth concave slide 6, and the bottoms of the two ends of the rear guide rail 8 are excessively matched on the second concave slide 4 and the third concave slide 5.
Specifically, the first convex base 1 and the second convex base 2 are longitudinally fixed on the wire electric discharge machine tool from front to back; the first concave slider 3 performs slotting treatment on the first concave slider 3 according to the specific size of the first convex base 1 matched with the first concave slider 3 and the specific size of the lower end of the front guide rail 7 matched with the front guide rail, as shown in fig. 3, a first threaded hole 31 is drilled through the side surface of the first concave slider 3, the other concave sliders are the same, the first concave slider 3 and the second concave slider 4 are matched on the first convex base 1, the third concave slider 5 and the fourth concave slider 6 are matched on the second convex base 2, the left concave slider and the right concave slider are symmetrically distributed on the left base and the right base, and the first concave slider 3, the fourth concave slider 6, the second concave slider 4 and the third concave slider 5 are ensured to be on the same horizontal line; the cross pan head screw 10 is matched with the first threaded hole 31 in the side face of the first concave sliding block 3, the first concave sliding block 3 can be positioned at any position on the base by adjusting the cross pan head screw 10, and the positioning of other sliding blocks is the same as that of the other sliding blocks.
The L-shaped stopper 9 can adapt to the transverse sizes of different materials in dovetail grooves 16 at different positions, the guide rail realizes the limitation of six degrees of freedom of space through the left concave slider and the right concave slider, and the distance between the front guide rail 7 and the rear guide rail 8 can change along with the positions of the left concave slider and the right concave slider respectively so as to adapt to the longitudinal sizes of different materials.
As shown in fig. 4, the L-shaped stopper 9 includes two parts, namely a base 91 and a right-angle piece 92, which are integrally formed; the right-angle piece 92 is transversely and fixedly connected to the left side of the upper end face of the base 91; the shape and size of the base 91 are related to the shape and size of the dovetail groove 16, and the base 91 is excessively matched in the dovetail groove 16 of the guide rail to realize the positioning of the L-shaped stopper 9; the right angle spare 92 includes horizontal rectangular surface 921 and vertical rectangular surface 922, and horizontal rectangular surface 921 is the right angle with vertical rectangular surface 922 contained angle, and when the material contacts with arbitrary rectangular surface wherein, all can restrict its corresponding degree of freedom, the up end of base 91 and guide rail up end coplanar guarantee that the material is horizontal when placing. Second screw hole 923, third screw hole 924 and fourth screw hole 925 have been processed to the up end of vertical rectangular face 922 along the vertical ascending equipartition in space.
The lower ends of the first positioning rod 11 and the second positioning rod 12 are both provided with external threads, and the thread specification is consistent with that of the threaded rod 13; the threaded rod 13 is in threaded fit with the third threaded hole 924, the first positioning rod 11 is in threaded fit with the second threaded hole 923, and the second positioning rod 12 is in threaded fit with the fourth threaded hole 925; the threaded rod 13 is consistent with the first positioning rod 11 and the second positioning rod 12 in size, and the downward pressing and clamping assembly 14 is connected with the L-shaped stopper 9 through the first positioning rod 11, the second positioning rod 12 and the threaded rod 13.
As shown in fig. 5 to 8, the lower clamp assembly includes a lower clamp block 141, a first connector 142, a second connector 143, a pressing member 144, a second hexagonal nut 145, a first connecting rod 146, and a second connecting rod 147; the downward pressing and clamping block 141 is a rectangular block, is arranged on the upper surface of the base 91, is respectively provided with a certain gap with the horizontal rectangular surface 921 and the vertical rectangular surface 922, and has a length and a width smaller than those of the horizontal rectangular surface 921 and the vertical rectangular surface 922 in the L-shaped stopper 9; the first connecting rod 146 and the second connecting rod 147 are the same size; the first connecting rod 146 and the second connecting rod 147 are respectively vertically arranged at two ends of the upper end surface of the lower pressing and clamping block 141 and are connected with the lower pressing and clamping block 14 into a whole through threads and are symmetrical to each other; the first connecting piece 142 and the second connecting piece 143 are respectively and correspondingly and horizontally connected between the first positioning rod 11 and the first connecting rod 146 and between the second positioning rod 12 and the second connecting rod 147; a first unthreaded hole 1421 and a second unthreaded hole 1422 are respectively arranged at two ends of the first connecting piece 142; a third light hole 1431 and a fourth light hole 1432 are respectively formed at both ends of the second connecting member 143; the first connecting piece 142 is in clearance fit with the lower part of the first positioning rod 11 through the second unthreaded hole 1422, and is in interference fit with the upper part of the first connecting rod 146 through the first unthreaded hole 1421; the second connecting piece 143 is in clearance fit with the lower part of the second positioning rod 12 through a fourth unthreaded hole 1432, and is in interference fit with the upper part of the second connecting rod 147 through a third unthreaded hole 1431; the lower end surface of the lower pressing clamping block 141 is ensured to be horizontal; the pressing piece 144 penetrates through the threaded rod 13, the first positioning rod 11 and the second positioning rod 12 from top to bottom, and the lower end faces of the two sides of the pressing piece are respectively superposed with the upper end faces of the first connecting piece 142 and the second connecting piece 143; the second hexagonal nut 145 is in threaded fit with the threaded rod 13, the upper end face of the middle of the pressing piece 144 coincides with the lower end face of the second hexagonal nut 145, and loosening and clamping in the vertical direction of the material space can be achieved by adjusting tightness of the second hexagonal nut 145.
As shown in fig. 9, the pressing member 144 has a fifth light hole 1441 and a seventh light hole 1443 at two ends thereof, and a sixth light hole 1442 at a middle thereof; as shown in fig. 5, the fifth light hole 1441, the sixth light hole 1442, and the seventh light hole 1443 are in clearance fit with the first positioning rod 11, the threaded rod 13, and the second positioning rod 12 of the L-shaped stopper 9, respectively.
As shown in fig. 10 to 12, the slip clamp assembly 15 includes a T-slot slip clamp 151, a slip clamp 152, a connecting threaded rod 153, a flat washer 154, a first hex nut 155, and a hex set screw 156; the T-shaped groove sliding clamping piece 151 is of a concave structure, is correspondingly matched on the front guide rail 7 and the rear guide rail 8 in a sliding manner, and is provided with T-shaped grooves on the upper end face; one side of the bottom of the T-shaped groove sliding clamping piece 151 is fixedly connected with one side of the guide rail through a vertical hexagonal positioning bolt 156; the sliding clamping piece 152 is horizontally arranged in a T-shaped groove of the T-shaped groove sliding clamping piece 151; the connecting threaded rod 153 is in clearance fit with the T-shaped groove, and the lower end of the connecting threaded rod is connected with the sliding clamping piece 152 into a whole; the flat washer 154 and the first hexagon nut 155 are sequentially engaged with the connection threaded rod 153 from top to bottom.
A fifth threaded hole 1511 is formed in the lower side of the T-shaped groove sliding clamping piece 151, the fifth threaded hole 1511 is in threaded fit with the hexagonal positioning bolt 156, a T-shaped groove 1512 is formed in the upper end face of the T-shaped groove sliding clamping piece 151, the size of the T-shaped groove 1512 is smaller than that of the upper end face 1513 of the T-shaped groove sliding clamping piece 151, the size of the section of the T-shaped groove sliding clamping piece 151 is matched with that of the corresponding guide rail, the T-shaped groove sliding clamping piece 151 is guaranteed to be in clearance fit with the guide rail, and the hexagonal positioning bolt 156 is guaranteed to have enough wrench space; the width of the T-shaped groove sliding clamping piece 151 in the horizontal direction is larger than that of the dovetail groove 16 on the upper end face of the guide rail; the size of the flat washer outer ring 1541 is larger than the width of the groove in the vertical direction on the upper end face of the T-shaped groove sliding clamping piece 151; the cross section size of the sliding clamping piece 152 is matched with the cross section size of the slot of the T-shaped slot sliding clamping piece 151; the connecting threaded rod 153 is connected with the sliding clamping piece 152 into a whole and is in clearance fit with the T-shaped groove sliding clamping piece 151; the size of the flat washer inner ring 1542 is matched with the size of the first hexagon nut 155 and the size of the connecting threaded rod 153; the flat washer 154 and the first hexagon nut 155 are fitted to the connecting bolt shaft 153 in a space-down and upper position.
Specifically, the T-shaped groove sliding clamping piece 151 can move or clamp along the guide rail by adjusting the tightness degree of the hexagonal positioning bolt 156. The sliding clamping piece 152 can move and clamp in the T-shaped groove sliding clamping piece 151 by adjusting the tightness degree of the first hexagon nut 155, and the sliding clamping piece 152 and the T-shaped groove sliding clamping piece 151 are matched to be used for clamping materials with different thicknesses in the horizontal direction.
In wire cut electrical discharge machining, due to the existence of the cutting fluid, the machining environment is moist, the oil mist is large, and the aging of machining equipment is easily caused, so in this embodiment, the parts of the pressing clamping assembly 14 and the sliding clamping assembly 15 are made of corrosion-resistant, friction-resistant and oxidation-resistant materials.
When the clamping device is used, the positions of dovetail grooves 16 of an L-shaped stopper 9 on a front guide rail 7 and a rear guide rail 8 are determined according to the specific size of a material, the positions of a first concave slide block 3 and a second concave slide block 4 on a first convex base 1 and a third concave slide block 5 and a fourth slide block 6 on a second convex base 2 are adjusted through a cross pan head screw 10, the front guide rail 7 and the rear guide rail 8 keep a certain distance, the material is attached to a horizontal rectangular surface 921 or a vertical rectangular surface 922 of a right-angle piece 92 on the upper portion of the L-shaped stopper 9, then a second hexagon nut 145 is adjusted to clamp the material at a spatial vertical position, finally a hexagon positioning bolt 156 is adjusted to slide a sliding clamping component 15 on the front guide rail 7 or the rear guide rail 8, if necessary, the sliding clamping piece 152 slides and clamps in a T-shaped groove sliding clamping piece 151, the T-shaped groove sliding clamping piece 151 and the sliding clamping piece 152 are matched, so that the material can be clamped in the horizontal direction, the freedom degree of the material in six directions in the space is completely limited, the small-size material is avoided, the clamping effect is good, the clamping quality is good, and the quality is good.
The present invention is not limited to the prior art.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (6)
1. A material clamping device for a wire electric discharge machine, characterized by: the device comprises a convex base, a concave sliding block, a guide rail, an L-shaped stopper, a cross pan head screw, a positioning rod, a threaded rod, a downward pressing clamping assembly and a sliding clamping assembly; the two convex bases are arranged in parallel and are respectively arranged in bilateral symmetry; the concave sliding blocks are respectively correspondingly matched with the front side and the rear side above each convex base in a sliding manner; guide rails are fixedly connected between the upper end faces of the concave sliding blocks corresponding to the same side on the two convex bases respectively, and the guide rails on the two sides are parallel to each other; dovetail grooves are uniformly distributed in one side area of the upper end surface of the guide rail; the L-shaped stoppers are respectively and correspondingly fixed in the dovetail grooves of the guide rails at the two sides; the threaded rod is longitudinally fixed in the middle of the upper end face of the L-shaped stopper; the positioning rods are respectively and longitudinally fixed on the front side and the rear side of the upper end surface of the L-shaped stopper; the lower pressing and clamping assemblies are respectively and vertically arranged inside the L-shaped stoppers at the two sides, the upper ends of the lower pressing and clamping assemblies are respectively in corresponding sliding fit with the positioning rod and the threaded rod at the same side, and the lower pressing and clamping assemblies can move up and down along the positioning rod and the threaded rod in the vertical direction of the space; the sliding clamping components are respectively in sliding fit with the guide rails on the two sides and can slide left and right along the guide rails.
2. A material clamping device for a wire electric discharge machine according to claim 1, characterized in that: the L-shaped stopper comprises a base and a right-angle piece; the base corresponds to the dovetail groove in size and is in excessive fit with the dovetail groove; the right-angle piece is transversely and fixedly connected to one side of the upper end face of the base; three threaded holes are uniformly distributed on the upper end surface of one side of the right-angle piece in parallel; the threaded rod is in threaded connection with a threaded hole in the middle; the positioning rods are respectively in threaded connection with threaded holes on two sides.
3. A material clamping device for a wire electric discharge machine according to claim 2, characterized in that: the downward pressing and clamping assembly comprises a connecting piece, a pressing piece, a hexagonal nut, a connecting rod and a downward pressing and clamping block; the lower pressing and clamping block is a rectangular block, is arranged on the upper surface of the base and is respectively provided with a certain gap with the inner end surfaces of the two sides of the right-angle piece; the connecting rods are respectively symmetrically arranged at two ends of the upper end surface of the lower pressing clamping block and are connected with the lower pressing clamping block into a whole through threads; the connecting pieces are respectively and horizontally connected between the positioning rods and the connecting rods on the same side, one side of each connecting piece is in clearance fit with the lower part of each positioning rod, and the other side of each connecting piece is in interference fit with the upper part of each connecting rod; the pressing piece penetrates through the threaded rod and the positioning rods on the two sides from top to bottom, and the lower end faces on the two sides of the pressing piece are overlapped with the upper end faces of the connecting pieces on the two sides; the hexagonal nut is in threaded fit with the threaded rod, and the upper end face of the middle of the pressing piece is overlapped with the lower end face of the hexagonal nut.
4. A material clamping device for a wire electric discharge machine according to claim 1, characterized in that: the sliding clamping assembly comprises a T-shaped groove sliding clamping piece, a connecting threaded rod, a flat washer, a hexagon nut and a hexagon positioning bolt; the T-shaped groove sliding clamping piece is of a concave structure, is correspondingly matched on the guide rail in a sliding manner, and is provided with a T-shaped groove on the upper end surface; one side of the bottom of the T-shaped groove sliding clamping piece is vertically and fixedly connected with one side of the guide rail through a hexagonal positioning bolt; the sliding clamping piece is horizontally arranged in the T-shaped groove; the connecting threaded rod is in clearance fit with the T-shaped groove, and the lower end of the connecting threaded rod is connected with the sliding clamping piece into a whole; the plain washer and the hexagon nut are sequentially matched on the connecting threaded rod from top to bottom.
5. A material clamping device for a wire electric discharge machine according to claim 1, characterized in that: the parts of the pressing clamping assembly and the sliding clamping assembly are made of corrosion-resistant, friction-resistant and oxidation-resistant materials.
6. A material clamping device for a wire electric discharge machine according to claim 1, characterized in that: the middle parts of the outer end faces of the concave sliding blocks are fixed on the corresponding convex bases through cross pan head screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211494581.XA CN115780937B (en) | 2022-11-25 | 2022-11-25 | Material clamping device for wire electric discharge machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211494581.XA CN115780937B (en) | 2022-11-25 | 2022-11-25 | Material clamping device for wire electric discharge machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115780937A true CN115780937A (en) | 2023-03-14 |
| CN115780937B CN115780937B (en) | 2024-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211494581.XA Active CN115780937B (en) | 2022-11-25 | 2022-11-25 | Material clamping device for wire electric discharge machine |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1402985A2 (en) * | 2002-09-30 | 2004-03-31 | Siemens AG Österreich | Clamping device |
| CN212793442U (en) * | 2020-08-14 | 2021-03-26 | 青岛韵展工贸有限公司 | Workpiece clamping device on linear cutting machine |
| CN213053136U (en) * | 2020-09-06 | 2021-04-27 | 兰州交通大学 | Electric spark wire-electrode cutting machine tool fixture |
| CN216966552U (en) * | 2021-12-30 | 2022-07-15 | 英特派铂业股份有限公司 | Material processing clamp |
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2022
- 2022-11-25 CN CN202211494581.XA patent/CN115780937B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1402985A2 (en) * | 2002-09-30 | 2004-03-31 | Siemens AG Österreich | Clamping device |
| CN212793442U (en) * | 2020-08-14 | 2021-03-26 | 青岛韵展工贸有限公司 | Workpiece clamping device on linear cutting machine |
| CN213053136U (en) * | 2020-09-06 | 2021-04-27 | 兰州交通大学 | Electric spark wire-electrode cutting machine tool fixture |
| CN216966552U (en) * | 2021-12-30 | 2022-07-15 | 英特派铂业股份有限公司 | Material processing clamp |
Non-Patent Citations (1)
| Title |
|---|
| 王家胜;舒林森;: "角度可调式线切割机床夹具设计及有限元分析", 工具技术, no. 05, 20 May 2019 (2019-05-20) * |
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| CN115780937B (en) | 2024-10-15 |
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