CN117548760A

CN117548760A - Wire cutting bisection processing fixture

Info

Publication number: CN117548760A
Application number: CN202311822696.1A
Authority: CN
Inventors: 胡振国; 王海涛; 王欢; 李洪林; 刘国卿; 卢春堂
Original assignee: DALIAN LUANYI PRECISION ENGINEERING CO LTD
Current assignee: DALIAN LUANYI PRECISION ENGINEERING CO LTD
Priority date: 2023-12-27
Filing date: 2023-12-27
Publication date: 2024-02-13
Anticipated expiration: 2043-12-27
Also published as: CN117548760B

Abstract

The present invention belongs to the field of wire cutting technology and is characterized in that the structure includes: precision positioning 3R negative film 1, high-precision support seat 2, upper pressure plate 3, upper precision positioning limit block group 4, and upper positioning pin 5 , lower precision positioning limit block group 6, lower positioning pin 7, lower pressure plate 8, negative film fixing pin 9, first annular component group 10, second annular component group 11; overcome the conventional technology by dividing the processing fixture by wire cutting The process of clamping ring parts is cumbersome, time-consuming, low in efficiency and difficult to guarantee the accuracy. It realizes off-machine pre-adjustment during the wire cutting process, saving the time of adjusting and clamping the ring parts on the equipment. At the same time, it can realize one-time clamping. The operation of processing multiple parts improves the processing efficiency of the equipment, with simple operation, high processing accuracy and low scrap rate.

Description

Wire-electrode cutting halving adds clamping apparatus

Technical Field

The invention belongs to the technical field of wire cutting, relates to a wire cutting equal-dividing processing clamp technology, is applied to the field of wire cutting processing of circular ring-shaped parts, and is particularly suitable for the circular ring-shaped parts with various types, high precision, strict tolerance and high surface finish requirements.

Background

The wire cutting processing range is wide, various three-dimensional structures, small parts, complex combined parts and the like can be processed, meanwhile, the wire cutting can also finish the processing of various shapes, and the wire cutting processing range is widely applied in the machining industry. At present, the processing method adopted by the linear cutting processing of the annular parts is that a workbench directly presses the annular parts for processing, the clamping of the processing method is inconvenient, because the pressing force needs to be directly operated on equipment by an operator, the operator can take a long time to adjust to the optimal state when the surface is leveled before the linear cutting, the thread mark is easy to appear and the error is easy to occur during the distraction processing of the annular parts, and the problems of damage and the like occur when the workpiece is easy to drop after the linear cutting processing.

The prior art discloses a technology CN218612095U, which relates to an equal-dividing cutting clamp for wire-cut tubular parts, and the application date is 2022, 11 and 21, and discloses a technology for the equal-dividing cutting clamp for the conventional tubular parts, wherein the technology can solve the problem that a plurality of workpieces can be cut by a disposable tubular blank, but the machined workpieces can only be machined by limiting the excircle of the machined workpieces by the convex edge 8 of the base 1, the workpiece with a single property only meeting a certain excircle size is machined in a cutting mode, an operator clamps and replaces the workpiece to replace the workpiece, the clamping jaw 3, the compression nut 5 and the like need to be required to be completely taken down, the fixing between the base 1 and the wire-cutting equipment lacks accurate positioning, and the machining of annular parts with various types, high precision, tight tolerance and high surface finish requirements cannot be met.

Disclosure of Invention

The invention aims to provide a wire cutting equal-dividing processing clamp, solve the technical problems of complicated and time-consuming process steps, low efficiency, difficult precision assurance and the like of clamping annular parts in the conventional technology, ensure the processing precision and surface finish of the annular parts and prevent accidental damage caused by the processing process.

The technical problem solved by the invention is that the linear cutting and equally dividing processing clamp is adopted, the defects are overcome, the off-machine pre-adjustment in the linear cutting processing process is realized, the adjustment and clamping time of annular parts on equipment are saved, the operation that a plurality of parts can be processed by one-time clamping is realized, the processing efficiency of the equipment is improved, the operation is simple, the processing precision is high, and the rejection rate is low. The effect of processing various parts and various sizes of the same fixture is achieved by assembling different fine positioning limiting blocks.

The technical scheme of the invention is as follows: wire-electrode cutting divides adds clamping apparatus equally, and its structure includes: the precise positioning 3R film 1, the high-precision supporting seat 2, the upper pressing plate 3, the upper precise positioning limiting block group 4, the upper positioning pin 5, the lower precise positioning limiting block group 6, the lower positioning pin 7, the lower pressing plate 8, the film fixing pin 9, the first annular part group 10 and the second annular part group 11. The connection relation of the wire-electrode cutting and halving processing clamp is as follows: the pin hole is arranged on the accurate positioning 3R film 1, the accurate positioning 3R film 1 can be quickly used in butt joint with a 3R base on linear cutting equipment, the repeated positioning is accurate, the workpiece can be quickly moved up and down, the workpiece is preassembled outside the machine, the program is directly repeated after the workpiece is installed, a large amount of operation and equipment standby time in the traditional mode are saved, and the assembly precision and the machining precision are effectively ensured. The high-precision supporting seat 2 is provided with a square table, a cross beam, a main body column body and a disc-shaped fixed table, the square table is provided with a pin hole, the cross beam is connected with the square table and the main body column body, the main body column body is provided with four yielding through grooves and four fine positioning T-shaped through cavities, the top surface and the bottom surface of the main body column body are respectively provided with pin holes, the upper surface and the lower surface of the outer side of the disc-shaped fixed table are both provided with annular convex edges, the convex edges limit and protect processed parts and prevent the processed parts from falling, the upper pressing plate 3 and the lower pressing plate 8 are respectively provided with four yielding through grooves, two pin holes and special-shaped through holes, the special-shaped through holes are arranged at the central positions of the upper pressing plate 3 and the lower pressing plate 8 and are in a combined through hole of the shape of the round hole and the square hole, and the upper fine positioning limiting block group 4 and the lower fine positioning limiting block group 6 are in a T shape, and cambered surfaces are arranged on the upper fine positioning limiting block group 4 and the lower fine positioning limiting block group 6; the precise positioning 3R bottom plate 1 is in surface contact with the high-precision supporting seat 2 and is positioned by a bottom plate fixing pin 9, the precise positioning limiting block group 4 is in surface contact with a T-shaped through cavity arranged on the high-precision supporting seat 2 and is assembled above a disc-shaped fixed table arranged on the high-precision supporting seat 2 and is positioned by a T-shaped hanging table, the precise positioning limiting block group 4 comprises four precise positioning limiting blocks which are locked and fixed by bolts, cambered surfaces arranged on the four precise positioning limiting blocks protrude out of the cylindrical surface of a main body cylinder arranged on the high-precision supporting seat 2, the cambered surface radiuses are the same, when annular parts are processed, the circular surfaces of the circular parts are limited by forming, the upper pressing plate 3 is in surface contact with the upper surface of the high-precision supporting seat 2 and is locked and fixed by bolts, the precise positioning limiting blocks are positioned and oriented by upper positioning pins 5, the precise positioning limiting blocks 3 are conveniently disassembled, and the upper positioning pins 5 are arranged in two and are symmetrically distributed on two sides of a central shaft; the T-shaped through cavity surface contact that sets up on lower smart positioning limiting block group 6 and the high accuracy supporting seat 2, the assembly is in the disc fixed station below that sets up on the high accuracy supporting seat 2, is fixed by T shape hanging table location through the bolt locking, contain four lower smart positioning limiting blocks in the lower smart positioning limiting block group 6, the cambered surface that sets up on four lower smart positioning limiting blocks stands out in the cylinder of the main part cylinder that sets up on the high accuracy supporting seat 2, cambered surface radius is the same, can form the cylinder of same radius and carry out spacingly to the interior circle of annular spare part when processing annular spare part, and lower clamp plate 8 is fixed by bolt locking with high accuracy supporting seat 2 lower surface contact, is fixed by lower locating pin 7 location and orientation, makes things convenient for upper clamp plate 3 to dismantle, lower locating pin 7 sets up to two, and the symmetric distribution is in the both sides of center pin.

After the machining of the parts is finished, the wire-electrode cutting and equally-dividing machining clamp can be taken out from the equipment as a whole, bolts on the upper pressing plate 3 are unscrewed, the bolts do not need to be completely taken down, the round parts of the special-shaped through holes arranged on the upper pressing plate 3 are pushed to the positions of the bolts, the round parts of the special-shaped through holes are larger than nuts of the bolts, the upper pressing plate 3 can be separated from the high-precision supporting seat 2, the parts with the machined upper layers are taken out, the lower pressing plate 8 has the same use as the upper pressing plate 3, and the parts with the machined lower layers can be taken out.

The wire-electrode cutting divides adds clamping apparatus equally, can select for use different last smart location stopper group 4 and lower smart location stopper group 6 according to the different annular spare part internal diameters of processing, as long as the line that needs processing cuts the route the same, the annular spare part of different internal diameters and height can be processed to upper strata and lower floor of high accuracy supporting seat 2, and the machining precision can be guaranteed within 0.02mm, corresponds the different size work piece of within a certain range and uses corresponding size external member, trades money processing, switches convenient quick.

The beneficial effects of the invention are as follows: through using wire-electrode cutting halving processing anchor clamps on the wire-electrode cutting equipment, at annular spare part cutting's in-process, because annular spare part is in the state of compressing tightly all the time, the condition that spare part dropped during the processing of traditional mode can not appear, effectively stops spare part and traumas. The device has the advantages that secondary clamping is avoided, operation is convenient, positioning is accurate, processing of a plurality of annular round parts with different inner diameters can be realized by the upper layer of processing part and the lower layer of processing part, meanwhile, debugging parts on equipment by an operator are completely omitted, processing time and operation steps of the parts are sensed, working hours are saved, efficiency and equipment utilization rate are improved, and workpiece qualification rate is improved.

Drawings

The following is a detailed description of embodiments with reference to the accompanying drawings.

Fig. 1 is an exploded view of a wire cut bisecting tool.

Fig. 2 is an assembly view of the wire-cut equally divided machining jig.

Fig. 3 is a schematic view of the high-precision support base 2 in the wire-cut bisecting clamp.

Fig. 4 is a schematic diagram of a high-precision support base 2 in a wire-cut equally-divided machining jig.

Fig. 5 is an upper platen 3 in the wire-cut equally dividing jig.

Fig. 6 is an upper fine positioning stopper group 4 in a wire-cut equally divided processing jig.

Fig. 7 is a first annular component part set 10 processed by the wire-cut equally divided processing jig.

In the figure, 1 fine positioning 3R negative film; 2, a high-precision supporting seat; 3, an upper pressing plate 3;4, fine positioning limiting block groups; 5, positioning pins; 6, fine positioning limiting block groups; 7, positioning pins; 8, pressing down the plate; 9 fixing pins of the negative; 10 a first annular component set; and 11 a second annular component set.

Description of the embodiments

Specific embodiments of the invention are described in detail below with reference to the technical text and the accompanying drawings.

Assembling a wire-electrode cutting and halving clamp: the film fixing pin 9 is assembled in a pin hole machined in the fine positioning 3R film 1, the fine positioning 3R film 1 is assembled with the high-precision supporting seat 2, the film fixing pin 9 is assembled in a pin hole machined in the high-precision supporting seat 2 (see figures 3, 4 and 5), and bolts penetrate through the fine positioning 3R film 1 to lock and fix the fine positioning 3R film on the high-precision supporting seat 2, so that the repeated positioning precision of the jig is ensured; the upper fine positioning limiting block group 4 is respectively assembled in a T-shaped through cavity machined on the high-precision supporting seat 2, a bolt passes through the upper fine positioning limiting block group 4 to fixedly lock the upper fine positioning limiting block group with the high-precision supporting seat 2, the first annular part group 10 is assembled on the high-precision supporting seat 2 to be in surface contact with the upper fine positioning limiting block group 4 and limit, the upper positioning pin 5 is assembled in a pin hole machined on the upper surface of the high-precision supporting seat 2, the pin hole machined on the upper pressing plate 3 is matched with the upper positioning pin 5 and limits the upper positioning pin, the upper pressing plate 3 is in surface contact with the annular part and limits the upper positioning pin, and the bolt passes through the upper pressing plate 3 to fix the upper positioning pin on the high-precision supporting seat 2; the positioning pins 5 are exposed short, and only play a role in orienting the pressing plate 3, so that the pressing plate 3 is convenient to detach (see fig. 1 and 2). The upper side and the lower side of the clamp are identical in structure, and the second annular part group 11 is assembled in the same way.

Implementation and use of a wire-electrode cutting and halving clamp: the annular part is assembled behind the wire-electrode cutting halving adds clamping apparatus as a whole, by the 3R base butt joint assembly on the 3R film 1 quick and the wire-electrode cutting equipment of fine positioning, repeated positioning is accurate, guarantee its precision and accuracy, because work piece remains the part and is in the state of compressing tightly always in the cutting process, the condition that the work piece dropped when traditional mode processing can not appear, after the wire-electrode cutting adds clamping apparatus, the part that processes can dismantle outside the wire-electrode cutting equipment (see fig. 7). In the production process of batch parts, two sets of jigs are preassembled with workpieces outside the machine, so that the quick switching of the upper machining part and the lower machining part can be realized. The program is directly repeated after the installation, so that a large amount of operation and equipment standby time in the traditional mode are saved, and the switching is convenient and quick. After clamping, the circle centers of the upper annular part and the lower annular part are identical in position, and the effects of cutting and processing two sets of parts at one time can be achieved in parallel. The tool can also process single-layer annular parts to realize one-time cutting.

While the foregoing is directed to the preferred embodiments of the present invention, it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.

Claims

1. Wire cutting divides adds clamping apparatus equally, its characterized in that, its structure includes: accurate positioning 3R film (1), high accuracy supporting seat (2), top board (3), go up accurate positioning stopper group (4), go up locating pin (5), down accurate positioning stopper group (6), down locating pin (7), holding down plate (8), film fixed pin (9), first annular spare part group (10), second annular spare part group (11), its relation of connection is: the precise positioning 3R bottom plate (1) is provided with a pin hole, the precise positioning 3R bottom plate (1) can be quickly used in butt joint with a 3R base on linear cutting equipment, a square table, a cross beam, a main body cylinder and a disc-shaped fixing table are arranged on a high-precision supporting seat (2), the square table is provided with the pin hole, the cross beam is connected with the square table and the main body cylinder, the main body cylinder is provided with a round yielding groove and a round precise positioning T-shaped yielding cavity, the top surface and the bottom surface of the main body cylinder are respectively provided with the pin hole, the upper surface and the lower surface of the outer side of the disc-shaped fixing table are respectively provided with an annular convex edge, the convex edge limits and protects a processed part, the processed part is prevented from falling, the upper pressing plate (3) and the lower pressing plate (8) are respectively provided with the round yielding groove, two pin holes and a special-shaped through hole, the special-shaped through hole is arranged at the central positions of the upper pressing plate (3) and the lower pressing plate (8), the special-shaped through hole is a combined through hole of the round hole and the square hole, the upper precise positioning limiting block group (4) and the lower precise positioning limiting block group (6) are provided with a precise positioning limiting block group (6); the precise positioning 3R bottom plate (1) is in surface contact with the high-precision supporting seat (2), is positioned by a bottom plate fixing pin (9), is locked and fixed through bolts, is in surface contact with a T-shaped through cavity arranged on the high-precision supporting seat (2), is assembled above a disc-shaped fixed table arranged on the high-precision supporting seat (2), is positioned by a T-shaped hanging table, is locked and fixed through bolts, the upper precise positioning limiting block group (4) comprises four upper precise positioning limiting blocks, the cambered surfaces arranged on the four upper precise positioning limiting blocks protrude out of the cylindrical surface of a main body cylinder arranged on the high-precision supporting seat (2), the cambered surface radius is the same, the cylindrical surface with the same radius can be formed to limit the inner circle of the annular part when the annular part is processed, the upper pressing plate (3) is in surface contact with the upper surface of the high-precision supporting seat (2) and is locked and fixed through bolts, the upper positioning pins (5) are positioned and oriented, the upper pressing plate (3) is convenient to detach, and the upper positioning pins (5) are arranged at two sides and are symmetrically distributed on two sides of a central shaft; the T-shaped through cavity surface contact that sets up on lower fine positioning stopper group (6) and high accuracy supporting seat (2), the assembly is in the disc fixed station below that sets up on high accuracy supporting seat (2), is fixed by T shape hanging table location, through bolt locking, contain four lower fine positioning stopper in lower fine positioning stopper group (6), the cambered surface that sets up on four lower fine positioning stopper stands out in the cylinder of the main part cylinder that sets up on high accuracy supporting seat (2), cambered surface radius is the same, can form the cylinder of same radius when processing annular spare part and carry out spacingly to the interior circle of annular spare part, and holding down plate (8) is fixed by bolt locking with high accuracy supporting seat (2) lower surface contact, is fixed a position and directional by lower locating pin (7), makes things convenient for top board (3) to dismantle, lower locating pin (7) set up to two, and symmetrical distribution is in the both sides of center pin.

2. The wire-cut equally divided machining jig according to claim 1, wherein: after the machining of the parts is finished, the wire-electrode cutting equal-division machining clamp can be taken out from the equipment as a whole, bolts on the upper pressing plate (3) are unscrewed, the bolts do not need to be completely taken down, the round parts of the special-shaped through holes arranged on the upper pressing plate (3) are pushed to the positions of the bolts, the round parts of the special-shaped through holes are larger than nuts of the bolts, the upper pressing plate (3) can be separated from the high-precision supporting seat (2), the parts with the machined upper layers are taken out, the lower pressing plate (8) has the same usage as the upper pressing plate (3), and the parts with the machined lower layers can be taken out.

3. The wire-cut equally divided machining jig according to claim 1, wherein: the wire-electrode cutting halving adds clamping apparatus, can select for use different last smart location stopper group (4) and lower smart location stopper group (6) according to the different annular spare part internal diameters of processing, as long as the line that needs to process cuts the route the same, upper strata and lower floor of high accuracy supporting seat (2) can process the annular spare part of different internal diameters and height, and machining precision can be guaranteed within 0.02mm, corresponds the different size work piece and uses corresponding size external member in the certain within range, trades money processing, switches convenient quick.