CN111570946A - Positioning device for linear cutting of strip-shaped support plate - Google Patents
Positioning device for linear cutting of strip-shaped support plate Download PDFInfo
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- CN111570946A CN111570946A CN202010612927.6A CN202010612927A CN111570946A CN 111570946 A CN111570946 A CN 111570946A CN 202010612927 A CN202010612927 A CN 202010612927A CN 111570946 A CN111570946 A CN 111570946A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 7
- 238000007906 compression Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 9
- 238000003754 machining Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 11
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 210000003734 kidney Anatomy 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
- B23H11/003—Mounting of workpieces, e.g. working-tables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Thermal Sciences (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a positioning device for linear cutting of a strip-shaped supporting plate, which comprises a base and is arranged on the base, wherein the positioning device comprises a positioning device body and a positioning device body, wherein the positioning device body comprises a positioning device body and a positioning device body, the positioning device body comprises a positioning device body, and the positioning device body is arranged on: the device comprises a D-surface positioning block, a C-surface positioning block, a V-shaped positioning block, a floating measurement mechanism, a floating support assembly, a wire touching block and a pressing plate assembly; by adopting a comparison method, the difference between the leaf body symmetry plane and the central plane of the wire support plate is obtained by aligning the H surface of the measuring rod and the F surface of the wire touching block through a machine tool, and three-coordinate detection is replaced. Meanwhile, the structure is novel and compact, the positioning is accurate, the compression is reliable, the operation is convenient, the processing period is shortened, the processing efficiency is improved, the design and manufacturing cost is low, the processing requirements of the lead supporting plate are completely met, and the experience of reference is provided for similar problems.
Description
Technical Field
The invention belongs to the technical field of electromachining and manufacturing, and particularly relates to a positioning device for linear cutting of a long supporting plate.
Background
The wire support plate is one of engine parts and comprises a head, a blade body and a lower edge plate, the size of a central plane of a groove in a linear cutting inner waist groove procedure is required to be equal to the size of a symmetrical plane of the blade body, the width of the blade body is tighter, the size tolerance of the symmetrical plane of the blade body and the central plane of the wire support plate is large, in order to guarantee the processing requirement, each part needs to be processed by measuring the actual size between the symmetrical plane of the blade body and the central plane of the wire support plate on a three-coordinate measuring machine before processing, and then programming is carried out for processing.
Disclosure of Invention
The purpose of the invention is: the utility model provides a positioner is used in linear cutting of rectangular extension board to solve wire extension board linear cutting inner kidney groove, processing is inconvenient, the cycle is long, the difficult problem of inefficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
a positioning device for linear cutting of a long strip-shaped support plate comprises a base and is arranged on the base: the device comprises a D-surface positioning block, a C-surface positioning block, a V-shaped positioning block, a floating measurement mechanism, a floating support assembly and a wire touch block;
the base comprises a base mounting surface, and a D-surface positioning block, a C-surface positioning block, a V-shaped positioning block, a floating measurement mechanism, a floating support assembly and a wire touching block are respectively mounted on the base mounting surface; the D-surface positioning block and the V-shaped positioning block are respectively arranged at the upper end and the lower end of the base mounting surface, the C-surface positioning block is positioned beside the D-surface positioning block, and the floating measurement mechanism and the floating support assembly are arranged in the middle of the base mounting surface;
the D surface positioning block comprises: the inclined plane of the D-surface positioning block and the bottom surface of the D-surface positioning block; the inclined plane of the D-surface positioning block is used for positioning the inclined plane D of the lead support plate, and the bottom surface of the D-surface positioning block is attached to the base mounting surface during assembly;
the C surface positioning block comprises: the plane of the C-surface positioning block is used for positioning the support plate plane C, and the bottom surface of the C-surface positioning block is attached to the base mounting surface during assembly;
the V-shaped positioning block is L-shaped, and a V-shaped groove is formed in the top end of the V-shaped positioning block; two surfaces of the V-shaped groove are V-shaped inclined surfaces, and the V-shaped inclined surfaces are used for positioning a support plate cylinder A; the plane of the V-shaped positioning block at the inner side of the vertical part of the V-shaped positioning block is used for positioning the plane B of the support plate; the bottom surface of the V-shaped positioning block at the transverse part of the V-shaped positioning block is attached to the base mounting surface;
the floating measurement mechanism includes: a support, a measuring rod and a national standard spring; the support is a Z-shaped plate and comprises an upper flat plate and a lower flat plate, and a step hole is formed in the lower flat plate; the measuring rod is arranged in the step hole and comprises a large shaft and a small shaft; a national standard spring is sleeved on the small shaft, one end of the national standard spring is connected with the large shaft, and the other end of the national standard spring is connected with the step of the step hole; the upper flat plate of the support is attached to the base mounting surface;
the floating support assembly includes: a support block, a baffle plate, a floating support block, a spring and a screw plug; the baffle plate is arranged on the front side surface of the support block, so that a groove on the support block forms a closed groove, and the floating support block is slidably arranged in the closed groove; the bottom surface of the floating support block is provided with a blind hole for mounting a spring, a screw plug is arranged at a corresponding position of the base, and the other end of the spring is mounted in an inner hole of the screw plug; during assembly, the bottom surface of the support block is attached to the base mounting surface;
the top end of the wire touch block is provided with an F surface and an E surface for processing front wire touch, and the bottom surface of the wire touch block is attached to the base mounting surface.
Furthermore, a chamfer is arranged at the intersection line position of the V-shaped positioning block plane and the V-shaped inclined plane.
Furthermore, a through hole is transversely formed in the small shaft, a cylindrical pin is installed in the through hole in the small shaft, a through groove is formed in the step hole, and the through groove is a sliding groove used for sliding two ends of the cylindrical pin on the small shaft.
Further, the head of the large shaft is a ball head.
Furthermore, a national standard knurled nut with a hole is arranged at one end of the small shaft of the measuring rod, and the measuring rod and the knurled nut are fixed through a national standard cylindrical pin.
Furthermore, a threaded hole is formed in the support block, and a compression screw is arranged in the threaded hole and used for abutting against the bottom of the chute on the side face of the floating support block to limit the floating support block; the depth of the chute is gradually increased towards the position far away from the part.
The wire guide plate is pressed on the upper end face of the floating support block by the pressing plate assembly.
Furthermore, two supporting block threaded holes in the supporting block are used for installing the pressing plate assembly.
Furthermore, the wire touching blocks are respectively arranged at the upper part and the lower part of the base, and after assembly, the F surface and the E surface of the two wire touching blocks are respectively coplanar.
Further, the base also comprises a base bottom surface, a base side surface and a base surface; the base bottom surface is laminated with the machine tool working table, the base bottom surface is an A reference surface, the base side surface is a B reference surface, the base bottom surface is laminated with the machine tool working table during machining, after the base side surface is straightened, the two sides of the surface of the base are tightly pressed through a pressing plate installed on the machine tool working table, and the base is fixed on the machine tool.
The invention has the following advantages:
the invention provides a positioning device for linear cutting of a long strip type support plate, which comprises a base and is arranged on the base, wherein the base comprises a first positioning part and a second positioning part, the first positioning part comprises a first positioning part and a second positioning part, the second positioning part comprises a first positioning part and a second positioning part, the first positioning part comprises a first positioning part, the second positioning part comprises a: the device comprises a D-surface positioning block, a C-surface positioning block, a V-shaped positioning block, a floating measurement mechanism, a floating support assembly, a wire touching block and a pressing plate assembly; by adopting a comparison method, the difference between the leaf body symmetry plane and the central plane of the wire support plate is obtained by aligning the H surface of the measuring rod and the F surface of the wire touching block through a machine tool, and three-coordinate detection is replaced. Meanwhile, the structure is novel and compact, the positioning is accurate, the compression is reliable, the operation is convenient, the processing period is shortened, the processing efficiency is improved, the design and manufacturing cost is low, the processing requirements of the lead supporting plate are completely met, and the experience of reference is provided for similar problems.
Furthermore, the floating support block moves upwards by spring force, when the upper end face of the floating support block is in contact with a part, a compression screw in a threaded hole arranged on the support block is used for propping against the groove bottom of the chute on the side face of the floating support block, and the groove bottom is designed into an inclined plane, so that the floating support block is prevented from being separated from the part in a stress mode during machining.
Furthermore, a cylindrical pin is arranged in a hole of the small shaft, the through groove is a sliding groove used for sliding two ends of the cylindrical pin on the small shaft, the position of the measuring rod is controlled, when the cylindrical pin is positioned in the through groove on the support, the measuring rod is contacted with a part, when the cylindrical pin is separated from the through groove and rotates for 90 degrees to be blocked at the end face of the lower flat plate, the measuring rod is separated from the part, a certain distance is kept, a part mounting space is reserved, and part mounting is facilitated.
Furthermore, the measuring rod is provided with a national standard knurled nut with holes at the left end, and the measuring rod and the national standard knurled nut with holes are fixed through a national standard cylindrical pin, so that the operation is convenient.
Furthermore, the head of the large shaft is arranged as a ball head, so that the measurement error is reduced, and the contact area with parts is reduced.
Furthermore, as the intersection of the support plate cylinder and the plane B is provided with the switching arc, and the intersection line position of the V-shaped positioning block plane and the V-shaped inclined plane is provided with the chamfer, the positioning is accurate.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a wire support plate;
FIG. 2 is a view of the lead plate A;
FIG. 3 is a cross-sectional view of a guide plate B-B;
FIG. 4 is a front view of a positioning device provided by an embodiment of the present invention;
FIG. 5 is a left side view of a positioning device provided by an embodiment of the present invention;
FIG. 6 is a D-D cross-sectional view of a positioning device provided in accordance with an embodiment of the present invention;
FIG. 7 is a C-C cross-sectional view of a positioning device provided in accordance with an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a base of a positioning device according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a D-surface positioning block of the positioning device according to the embodiment of the present invention;
fig. 10 is a schematic structural diagram of a C-surface positioning block of the positioning device according to the embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a V-shaped positioning block of the positioning device according to an embodiment of the present invention;
FIG. 12 is a schematic structural diagram of a floating measurement mechanism of a positioning device according to an embodiment of the present invention;
FIG. 13 is a schematic structural diagram of a support of a positioning device according to an embodiment of the present invention;
FIG. 14 is a schematic structural diagram of a spindle of the positioning device according to an embodiment of the present invention;
FIG. 15 is a schematic structural view of a floating support assembly of the positioning device according to the present invention;
FIG. 16 is a cross-sectional view A-A of a floating support assembly of the positioning device provided in accordance with an embodiment of the present invention;
FIG. 17 is a schematic structural diagram of a support block of a positioning device according to an embodiment of the present invention;
FIG. 18 is a schematic structural diagram of a baffle of a positioning device according to an embodiment of the present invention;
FIG. 19 is a schematic structural diagram of a floating support block of the positioning device according to an embodiment of the present invention;
fig. 20 is a schematic structural diagram of a wire-impacting block of the positioning device according to the embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
Referring to fig. 1, 2 and 3, a certain machine wire support plate is positioned by using a plane B, a plane C, an inclined plane D and a cylinder A according to the process requirements, the included angle between the central line of an inner waist groove to be processed and the central line of the cylinder A is A, the size of an intersection point from the plane B is L, the width of a blade body is C +/-0.02, the size of the central plane of the inner waist groove and the symmetric plane of the blade body is 0 +/-0.1, and the size of the symmetric plane of the blade body and the central plane of the wire support plate is 0 +/-0.5.
The technical scheme provided by the embodiment of the invention is as follows: a positioning device for linear cutting of a strip-shaped support plate is characterized in that an included angle exists between the center line of a processed inner waist groove and the center line of a positioning cylinder, the size of the center plane of the positioning device and the size of the symmetrical plane of a blade body have requirements, and positioning surfaces are related to the center plane of a wire support plate and the positioning cylinder, as shown in figures 4, 5, 6 and 7, the positioning device provided by the embodiment of the invention comprises a base 1 and a positioning device arranged on the base 1, wherein the positioning device comprises a positioning cylinder, a positioning rod and a: the device comprises a D-surface positioning block 2, a C-surface positioning block 3, a V-shaped positioning block 4, a floating measurement mechanism 5, a floating support assembly 6, a wire touching block 7, a pressure plate assembly 8, a connecting screw and a cylindrical pin. The D-surface positioning block 2 and the V-shaped positioning block 4 are respectively arranged at the upper end and the lower end of the base mounting surface 15, the C-surface positioning block 3 is positioned beside the D-surface positioning block 2, and the floating measurement mechanism 5 and the floating support assembly 6 are arranged in the middle of the base mounting surface 15;
because the positioning device of the embodiment of the invention relates to a space angle, the process ball is installed in order to express the total figure size, the position of the process ball and the position of a part are unique, and the size of each positioning surface and the size of a thread touching surface are controlled by the process ball. Surfaces E and F in fig. 4 and 5 are silk-touch surfaces. The a1 size in fig. 4 can be calculated to obtain a value according to known conditions, and the a size is designed to be given; b and B1 in FIG. 5 are given for sizing; when the blade body symmetry plane coincides with the central plane of the lead support plate and the floating support component 6 is in contact with the blade body of the part, the H surface of the figure 6 is designed to be equal to the F surface in height according to theoretical size. Because the machine tool is a three-coordinate machine tool, the machine tool can control the rotation of a tool rest of the molybdenum wire, the molybdenum wire can only move vertical to the workbench, the A datum in the figure 4 is vertical to the central line of the kidney groove, and the B datum in the figure 5 is parallel to the central plane of the support plate in order to ensure that the position of the processing groove is unique.
As shown in fig. 8, the base 1 is high, and a casting is adopted to ensure that the base of the positioning device is rigid enough; the base 1 includes: the positioning device comprises a transverse base bottom plate and a vertical base mounting plate, wherein the base mounting plate is provided with a plurality of groups of threaded holes, screw through holes and cylindrical pin holes to form a base mounting surface 15 for mounting other parts of the positioning device; the bottom surface of the base bottom plate is a base bottom surface 11, the upper end surface is a base surface 14, and the side surface is a base side surface 12; base bottom surface 11 is A reference surface, base side 12 is B reference surface, add base bottom surface 11 and the laminating of lathe table surface with man-hour, after base side 12 is straightened, the clamp plate of rethread installation on the lathe table compresses tightly base surface 14 both sides, fix base 1 on the lathe, need pass the aperture at anchor clamps bottom plate and strip type extension board line waist groove center in adding man-hour molybdenum filament, be equipped with rectangular groove 13 on base bottom plate of base 1, let out the processing position, make things convenient for the molybdenum filament to pass, rectangular groove 13 size is greater than interior waist groove.
As shown in fig. 9, the D-plane positioning block 2 includes: a D-surface locating block inclined plane 21 and a D-surface locating block bottom surface 22 which is not adjacent to the D-surface locating block inclined plane 21; the D-surface positioning block inclined plane 21 is used for positioning an inclined plane D of the lead support plate, and in order to express the size of the D-surface positioning block inclined plane 21, a D-surface positioning block process hole 23 is formed in the D-surface positioning block 2; a group of threaded holes and cylindrical pin holes are formed in the bottom surface 22 of the D-surface positioning block and are installed on the base 1, and the bottom surface 22 of the D-surface positioning block is attached to the base installation surface 15 during assembly, positioned through the cylindrical pins and fastened through screws.
As shown in fig. 10, the C-plane positioning block 3 includes: the C-surface positioning block plane 31 is used for positioning the support plate plane C, a group of threaded holes and cylindrical pin holes are formed in the C-surface positioning block plane 32 and are arranged on the base 1, the C-surface positioning block plane 32 is attached to the base mounting surface 15 during assembly, is positioned through the cylindrical pins and is fastened by screws.
As shown in fig. 11, the V-shaped positioning block 4 is L-shaped, and a V-shaped groove is formed at the top end thereof; two surfaces of the V-shaped groove are V-shaped inclined surfaces 41, and the V-shaped inclined surfaces 41 are used for positioning a support plate column A; the V-shaped positioning block plane 43 at the inner side of the vertical part of the V-shaped positioning block 4 is used for positioning the support plate plane B; because the intersection of the support plate cylinder A and the plane B is provided with the switching arc, in order to ensure accurate positioning, a chamfer 42 is arranged at the intersection of the V-shaped positioning block plane 43 and the V-shaped inclined plane 41. A group of screw through holes and cylindrical pin holes are formed in the V-shaped positioning block bottom surface 44 of the transverse portion of the V-shaped positioning block 4, the V-shaped positioning block 4 is installed on the base 1, and the V-shaped positioning block bottom surface 44 is attached to the base installation surface 15 during assembly, positioned through the cylindrical pins and fastened through screws.
As shown in fig. 12 and 13, the floating measurement mechanism 5 is a key of the positioning device, and is related to the success or failure of the positioning device. The floating measurement mechanism 5 includes: a support 51, a measuring rod 52, a national standard spring 53, a national standard cylindrical pin 54 and a national standard knurled nut 55 with a hole; the support 51 is a Z-shaped plate and comprises an upper flat plate and a lower flat plate, a step hole 511 is formed in the lower flat plate, and a through groove 512 is formed in the step hole 511; a group of screw through holes and cylindrical pin holes are formed in the upper flat plate 513, the floating measuring mechanism 5 is installed on the base 1, and during assembly, the upper flat plate 513 of the support 51 is attached to the base installation surface 15, positioned through the cylindrical pins and fastened through the screws. The measuring rod 52 is arranged in the step hole 511, and the measuring rod 52 is a stepped shaft and comprises a large shaft 521 and a small shaft 522; as shown in fig. 14, in order to reduce measurement errors and reduce the contact area with parts, the head of the large shaft 521 is a ball head; in order to ensure that the measuring rod is positioned only, the diameter of the large shaft 521 is the same as the nominal size of the large hole of the stepped hole 511 of the support 51, and the large shaft is in close clearance fit with the stepped hole; in order to move the measuring rod 52 in fig. 12 upwards until the measuring rod contacts with a part, the national standard spring 53 is sleeved on the small shaft 522, one end of the national standard spring 53 is connected with the large shaft 521, and the other end of the national standard spring 53 is connected with the step of the step hole 511; for the convenience of installation of the part, a cylindrical pin is installed in a hole 523 of a small shaft 522, the through groove 512 is a sliding groove for sliding two ends of the cylindrical pin on the small shaft 522, the position of the measuring rod is controlled, when the cylindrical pin is positioned in the through groove 512 on the support 51, the measuring rod 52 is in contact with the part, and when the cylindrical pin is separated from the through groove 512 and rotates by 90 degrees to block on the end surface of the flat plate in fig. 13, the measuring rod 52 is separated from the part and keeps a certain distance, and a part installation space is reserved; for the convenience of operation, a national standard knurled nut 55 with a hole is arranged at the left end of the measuring rod 52, and is matched with a cylindrical pin hole at 524, and the national standard cylindrical pin 54 is used for fixing the measuring rod and the cylindrical pin; the left side surface of the measuring rod 52 is an H surface.
As shown in fig. 15 and 16, the floating support assembly 6 includes: the support block 61, the baffle plate 62, the floating support block 63, the connecting screw 64, the compression screw 65, the spring 66 and the screw plug 67; the connecting screw 64, the compression screw 65, the spring 66 and the plug screw 67 adopt national standards. As shown in fig. 18, the baffle plate 62 is a rectangular thin plate, which is provided with threaded through holes corresponding to the 4 threaded holes 612 on the front side surface of the support block 61, and is mounted on the front side surface of the support block 61 and fixed by screws, so that the groove 611 on the support block 61 forms a closed groove for mounting the floating support block 63, and the closed groove and the floating support block 63 are in close clearance fit and ensure that the floating support block 63 slides flexibly. As shown in fig. 19, the floating support block 63 is a rectangular parallelepiped, and its bottom surface is provided with a blind hole 633 for installing the spring 66, in order to adjust the magnitude of the spring force, a screw plug 67 is installed at a corresponding position of the base 1, and the other end of the spring 66 is installed in an inner hole of the screw plug 67. The floating support 63 is moved upward by the spring force, and when the upper end face 631 of the floating support 63 contacts the part, the pressing screw 65 mounted in the threaded hole 613 of the support 61 abuts against the groove bottom of the inclined groove 632 on the side face of the floating support 63, and the groove bottom is designed into an inclined plane, so that the floating support 63 is prevented from being separated from the part during machining. The support 61 is mounted on the base 1, and the support bottom surface 615 of the support 61 is attached to the base mounting surface 15 and fastened by screws during assembly. Two threaded holes 614 on the support block 61 are used for mounting the pressure plate assembly 8. The clamp plate assembly 8 is a simple and practical basic element in the clamp, is generally applied to clamp design, is formed by combining several national standard pieces, compresses tightly a workpiece by utilizing a lever principle, moves a clamp plate by an A type, and is provided with a shoulder hexagon nut, a small washer, a spring, a stud and 2 hexagonal thin nuts, and an adjusting support is formed.
As shown in fig. 20, the thread-touching block 7 is provided with an F surface and an E surface for processing front thread-touching, and the bottom surface 71 of the thread-touching block 7 is provided with a group of threaded holes and cylindrical pin holes, and is mounted on the base 1, and the bottom surface 71 of the thread-touching block is attached to the base mounting surface 15 during assembly, positioned by the cylindrical pins, and fastened by screws. Because the processing hole is longer, in order to ensure the processing precision, the wire touching blocks 7 are respectively arranged at the upper part and the lower part of the clamp, and the F surface and the E surface of the two pieces are respectively required to be coplanar after assembly.
When the positioning device is used, the bottom surface 11 of the base 1 of the positioning device is firstly attached to the working table surface of a machine tool, the B datum is straightened, and then the surface 14 of the base 1 is tightly pressed by a pressing plate arranged on the working table of the machine tool, so that the installation of the positioning device is completed. The position of the measuring rod 52 of the floating measuring mechanism 5 is adjusted to be in a part mounting state, and the floating support assembly 6 is adjusted to be in an elastic state, so that the floating support block 63 is in an elastic state. And respectively attaching the A surface and the B surface of the lead support plate to the V-shaped inclined surface 41 and the V-shaped positioning block plane 43 of the V-shaped positioning block 4, attaching the D surface of the support plate to the D surface positioning block inclined surface 21 of the D surface positioning block, completing part positioning of the C surface of the support plate and the C surface positioning block 31, pressing the parts by hands, and as shown in fig. 7, when the upper end surface 631 of the floating support block 63 of the floating support component 6 is in contact with the parts, tightly pressing the floating support block 63 by using a pressing screw 65, and tightly pressing the parts by using a pressing plate component 8 to complete part positioning and pressing. And adjusting the position of a measuring rod 52 of the floating measuring mechanism 5 to enable the measuring rod to be in contact with the part, aligning the surfaces E, F and H in the figures 4, 5 and 6 through a machine tool, determining a program zero point, and then processing according to the program.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (10)
1. The positioning device for linear cutting of the strip-shaped support plate is characterized by comprising a base (1) and a positioning device arranged on the base (1): the device comprises a D-surface positioning block (2), a C-surface positioning block (3), a V-shaped positioning block (4), a floating measurement mechanism (5), a floating support assembly (6) and a wire touch block (7);
the base (1) comprises a base mounting surface (15), and a D-surface positioning block (2), a C-surface positioning block (3), a V-shaped positioning block (4), a floating measurement mechanism (5), a floating support assembly (6) and a wire touching block (7) are respectively mounted on the base mounting surface (15); the D-surface positioning block (2) and the V-shaped positioning block (4) are respectively installed at the upper end and the lower end of the base installation surface (15), the C-surface positioning block (3) is located beside the D-surface positioning block (2), and the floating measuring mechanism (5) and the floating supporting assembly (6) are installed in the middle of the base installation surface (15);
the D-surface positioning block (2) comprises: a D-surface positioning block inclined plane (21) and a D-surface positioning block bottom surface (22); the D-surface positioning block inclined plane (21) is used for positioning an inclined plane D of the lead support plate, and the bottom surface (22) of the D-surface positioning block is attached to the base mounting surface (15) during assembly;
the C-surface positioning block (3) comprises: the positioning structure comprises adjacent C-surface positioning block planes (31) and C-surface positioning block bottom surfaces (32), wherein the C-surface positioning block planes (31) are used for positioning the support plate plane C, and the C-surface positioning block bottom surfaces (32) are attached to the base mounting surface (15) during assembly;
the V-shaped positioning block (4) is L-shaped, and a V-shaped groove is formed in the top end of the V-shaped positioning block; two surfaces of the V-shaped groove are V-shaped inclined surfaces (41), and the V-shaped inclined surfaces (41) are used for positioning a support plate cylinder A; a V-shaped positioning block plane (43) on the inner side of the vertical part of the V-shaped positioning block (4) is used for positioning a support plate plane B; the bottom surface (44) of the V-shaped positioning block at the transverse part of the V-shaped positioning block (4) is attached to the base mounting surface (15);
the floating measurement mechanism (5) comprises: a support (51), a measuring rod (52) and a national standard spring (53); the support (51) is a Z-shaped plate and comprises an upper flat plate and a lower flat plate, and a step hole (511) is formed in the lower flat plate; the measuring rod (52) is arranged in the step hole (511) and comprises a large shaft (521) and a small shaft (522); a national standard spring (53) is sleeved on the small shaft (522), one end of the national standard spring (53) is connected with the large shaft (521), and the other end of the national standard spring is connected with the step of the step hole (511); an upper flat plate (513) of the support (51) is attached to the base mounting surface (15);
the floating support assembly (6) comprises: a support block (61), a baffle plate (62), a floating support block (63), a spring (66) and a screw plug (67); the baffle plate (62) is arranged on the front side surface of the support block (61), so that a groove (611) on the support block (61) forms a closed groove, and the floating support block (63) is arranged in the closed groove in a sliding manner; the bottom surface of the floating support block (63) is provided with a blind hole (633) for mounting a spring (66), a screw plug (67) is mounted at a corresponding position of the base (1), and the other end of the spring (66) is mounted in an inner hole of the screw plug (67); the supporting block bottom surface (615) of the supporting block (61) is attached to the base mounting surface (15) during assembly;
the top end of the wire touch block (7) is provided with an F surface and an E surface for processing front wire touch, and the bottom surface (71) of the wire touch block (7) is attached to the base mounting surface (15).
2. The positioning device for linear cutting of the elongated support plate according to claim 1, wherein a chamfer (42) is formed at an intersection of the V-shaped positioning block plane (43) and the V-shaped inclined plane (41).
3. The positioning device for linear cutting of the elongated support plate according to claim 1, wherein a through hole is transversely formed in the small shaft (522), a cylindrical pin is installed in the through hole of the small shaft (522), a through groove (512) is formed in the stepped hole (511), and the through groove (512) is a sliding groove for sliding two ends of the cylindrical pin on the small shaft (522).
4. The positioning device for linear cutting of the elongated support plate according to claim 1, wherein the head of the large shaft (521) is a ball head.
5. The positioning device for linear cutting of the elongated support plate according to claim 1, wherein a national standard knurled nut with holes (55) is installed at one end of the small shaft (522) of the measuring rod (52), and the measuring rod and the small shaft are fixed through a national standard cylindrical pin (54).
6. The positioning device for linear cutting of the elongated support plate according to claim 1, wherein the support block (61) is provided with a threaded hole (613), and a compression screw (65) is arranged in the threaded hole (613) and is used for abutting against the bottom of the inclined groove (632) on the side surface of the floating support block (63) to limit the floating support block (63); the depth of the inclined groove (632) is gradually increased towards the position far away from the part.
7. The positioning device for linear cutting of the elongated support plate according to claim 1, further comprising a pressing plate assembly (8), wherein the pressing plate assembly (8) presses the wire support plate against the upper end surface (631) of the floating support block (63).
8. The positioning device for linear cutting of the elongated support plate according to claim 7, wherein two support block threaded holes (614) on the support block (61) are used for installing the pressing plate assembly (8).
9. The positioning device for linear cutting of the strip-shaped support plate according to claim 1, wherein the wire bump blocks (7) are respectively arranged at the upper part and the lower part of the base (1), and after assembly, the F surface and the E surface of the two wire bump blocks (7) are respectively coplanar.
10. The positioning device for linear cutting of the strip-shaped support plate according to claim 1, wherein the base (1) further comprises a base bottom surface (11), a base side surface (12) and a base surface (14); the base bottom surface (11) is attached to the surface of a machine tool working table, the base bottom surface (11) is an A reference surface, the base side surface (12) is a B reference surface, the base bottom surface (11) is attached to the surface of the machine tool working table during machining, after the base side surface (12) is straightened, the two sides of the base surface (14) are pressed tightly through a pressing plate installed on the machine tool working table, and the base (1) is fixed on the machine tool.
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| CN202010612927.6A CN111570946B (en) | 2020-06-30 | 2020-06-30 | Positioning device for linear cutting of strip-shaped support plate |
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| CN202010612927.6A CN111570946B (en) | 2020-06-30 | 2020-06-30 | Positioning device for linear cutting of strip-shaped support plate |
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|---|---|
| CN111570946B (en) | 2021-10-08 |
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Effective date of registration: 20240606 Address after: 710000, Room 401, 4th Floor, Building 7, Dapu Industrial Park, No. 4955 Shangyuan Road, Economic Development Zone, Xi'an City, Shaanxi Province Patentee after: XI'AN Xaec Suntimes HIGH-TECH Co.,Ltd. Country or region after: China Address before: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee before: AECC AVIATION POWER CO,LTD. Country or region before: China |