CN115351368A

CN115351368A - Clamping device for machining blanking parts through wire cutting and using method of clamping device

Info

Publication number: CN115351368A
Application number: CN202210969440.2A
Authority: CN
Inventors: 潘旭华
Original assignee: Zhejiang Yawei Precision Machine Tool Co Ltd
Current assignee: Zhejiang Yawei Precision Machine Tool Co Ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-11-18
Also published as: WO2024032802A1

Abstract

The invention discloses a clamping device for machining blanking parts by linear cutting and a using method thereof, belonging to the technical field of linear cutting machines, wherein the clamping device comprises a clamping component for clamping blanking, wherein the clamping component comprises a clamping plate with an adsorption surface and at most one stabilizing plate for adsorbing the bottom surface of a material arranging piece; the blanking is provided with at least one adsorbed surface for adsorption and lamination, and the adsorbed surface of the blanking is an upper surface or a side surface; the clamping plate is provided with a gripping part which is convenient for the operation of a manipulator. When the linear cutting machine carries out cutting and trimming operation, the clamping assembly is attached to the surface of the material arranging body in an adsorbing mode, so that the linear cutting machine can directly carry out finishing processing on a finally cut blanking part, the processing efficiency of a workpiece and the precision of the workpiece are improved, blanking can be accurately adsorbed, and the effect of collecting blanking is achieved.

Description

Clamping device for machining blanking parts through wire cutting and using method of clamping device

Technical Field

The invention belongs to the technical field of wire cutting machines, and particularly relates to a clamping device for machining blanking parts by wire cutting and a using method of the clamping device.

Background

Wire cutting is a common process in machining, and is mainly suitable for machining workpieces with high precision and high surface finish. The cutting and trimming process for the wire cutting machine with slow and medium speed wires includes cutting the blank material with the wire cutting machine from the material, trimming the blank material, and trimming the blank material. At present, when most of linear cutting machines adopt a cutting and trimming process, after the part which is finally connected with a blanking and a material arranging body is cut off, the cutting part which is finally connected with the material arranging body needs to be trimmed by a secondary re-clamping linear cutting machine, or is ground and processed on a grinding machine, so that the processing efficiency of a workpiece and the precision of the workpiece are influenced. Therefore, the clamping device for the blanking type parts in the linear cutting machining and the using method thereof are provided.

Disclosure of Invention

The invention aims to provide a clamping device for machining blanking parts by linear cutting and a using method thereof. When the linear cutting machine carries out cutting and trimming operation, the clamping assembly is attached to the surface of the material arranging body in an adsorbing mode, so that the linear cutting machine can directly carry out finishing processing on a finally cut blanking part, the processing efficiency of a workpiece and the precision of the workpiece are improved, blanking can be accurately adsorbed, and the effect of collecting blanking is achieved.

In order to achieve the purpose, the invention provides the following technical scheme:

a clamping device for machining blanking parts by linear cutting comprises a clamping assembly for clamping blanking, wherein the clamping assembly comprises a clamping plate with an adsorption surface and at most one stabilizing plate for adsorbing the bottom surface of a material arrangement; the blanking is provided with at least one adsorbed surface for adsorption and bonding, and the adsorbed surface of the blanking is an upper surface or a side surface; the clamping plate is provided with a gripping part which is convenient for the operation of a manipulator.

Preferably, the adsorption surface of the clamping plate is provided with a first adsorption part used for adsorbing and attaching with the surface of the excess material and a second adsorption part used for adsorbing the adsorbed surface of the blanking.

Preferably, the first adsorption parts are a plurality of first magnets, the second adsorption parts are second magnets, the first magnets are electromagnets, and the second magnets are electromagnets or permanent magnets.

Preferably, the first suction fittings are a plurality of first vacuum chambers, and the first vacuum chambers are all communicated with an external first vacuum pump through first channels; the second adsorption piece is a second vacuum cavity which is communicated with an external second vacuum pump through a second cavity channel.

Preferably, the second adsorption member has an adsorption area smaller than an area of the adsorbed surface of the blank material, so that the second adsorption member can be completely located in the blank material area.

Preferably, the stabilizing plate is an electromagnet plate, and the surface of the stabilizing plate is an adsorption surface of the stabilizing plate.

Preferably, the cross-sectional shape of the blanking is determined by the shape of an area surrounded by a cutting path, the cutting path is composed of a path front section and a path rear section, and the length of the path rear section is less than half of the length of the cutting path.

The invention also provides a use method of the clamping device for the linear cutting machining blanking parts, which comprises the following steps:

the method comprises the following steps: performing linear cutting operation on the material arrangement piece according to a set cutting path by using a linear cutting machine, and finishing the front section of the blanking path by using a linear cutting machine after the front section of the blanking path is cut;

step two: horizontally placing the clamping plate on the upper surface of the whole material piece or the side surface of the whole material piece through a robot or a manipulator for accurately adsorbing and blanking, wherein the rear section of the path is positioned outside the coverage range of the clamping plate; the second adsorption part is aligned with the adsorbed surface of the blanking and is completely positioned in the blanking area, and the second adsorption part does not cover the rear section of the path of the blanking;

step three: if the first suction accessories on the clamping plate are a plurality of first magnets, electrifying the first magnets; if the first suction accessories on the clamping plate are a plurality of first vacuum cavities, vacuumizing the plurality of first vacuum cavities through an external first vacuum pump to enable the first suction accessories on the clamping plate to be attached to the surface of the residual material in an adsorption mode; if the second adsorption piece on the clamping plate is an electromagnet, the second adsorption piece needs to be electrified; if the second adsorption piece on the clamping plate is a second vacuum cavity, vacuumizing the second vacuum cavity through an external second vacuum pump to enable the second adsorption piece to be adsorbed in the blanking area; at the moment, the distance between the upper machine head of the wire cutting machine and the upper surface of the material arrangement body can enable the clamping plate to be adsorbed at any position of the upper surface of the material arrangement body without touching the upper machine head of the wire cutting machine;

step four: if the clamping assembly comprises a stabilizing plate, the stabilizing plate is horizontally placed on the bottom surface of the material arrangement body, the adsorption surface of the stabilizing plate is adsorbed and attached to the bottom surface of the material arrangement body for adsorbing excess materials and blanking, and no overlapping part exists between the rear section of the blanking path and the stabilizing plate in the vertical direction;

step five: cutting the rear section of the path of the blanking according to a set cutting path, separating the blanking from the material arrangement after the cutting is finished, adsorbing the blanking onto a clamping plate under the action of a second adsorption part, and finishing the rear section of the path of the blanking by using a linear cutting machine;

step six: if the stabilizing plate is adhered to the bottom surface of the material arrangement body in an adsorption mode, the stabilizing plate is powered off and is transferred through the manipulator;

step seven: moving the material piece and the clamping plate adsorbed on the surface of the material piece away from the linear cutting position by moving a guide rail below the material piece until the clamping plate adsorbed on the surface of the material piece and an upper machine head of the linear cutting machine have no overlapped area in the vertical direction;

step eight: if the first suction accessories on the clamping plate are a plurality of first magnets, the first magnets are powered off; if the first suction parts on the clamping plate are a plurality of first vacuum cavities, the external first vacuum pump is closed, so that no adsorption force exists between the first suction parts on the clamping plate and the surface of the material arrangement, and then the clamping plate and the blanking are transferred to a blanking collection position by using a robot or a manipulator to complete the dropping of the blanking.

Preferably, said first step further comprises pre-cutting the edge of the monolith where the blank is located, when the clamping plate is adhered to the side of the monolith.

Preferably, the precut area comprises a blanked adsorbed surface and residual material areas on two sides of the blanked adsorbed surface, and the blanked adsorbed surface and the residual material areas on two sides of the adsorbed surface are on the same plane.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the first suction part is arranged on the clamping plate, so that the clamping plate can be conveniently sucked and attached to the surface of the material arrangement piece; the second adsorption piece is arranged, so that the blanking can be adsorbed after the blanking cutting is finished, the wire cutting machine can be used for directly finishing and processing the finally cut blanking part, the processing efficiency of the workpiece and the precision of the workpiece are improved, the blanking can be accurately adsorbed, and the effect of collecting the blanking is achieved; the clamping plate is provided with the gripping part, so that a robot or a manipulator can transfer the clamping plate conveniently; through setting up firm board, can improve the stability of cutting process when cutting the elongated member, effectively improve the precision of cutting.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention in embodiment 1.

Fig. 2 is a schematic structural view of the clamping plate of the present invention in embodiment 1.

FIG. 3 is a schematic view of the structure of the present invention when adsorbed to the upper surface of a monolith.

Fig. 4 is a schematic structural view of the present invention with a stabilizing plate.

FIG. 5 is a schematic diagram of the structure adsorbed to the side of a monolith according to the present invention.

FIG. 6 is a schematic illustration of the cutting of the present invention with the drop at the edge of the monolith.

Fig. 7 is a schematic structural view of a holding plate of the present invention in embodiment 4.

Fig. 8 is a schematic cross-sectional view of a holding plate of the present invention in embodiment 4.

In the figure: 1. a clamping plate; 2. a material arrangement; 3. a first magnet; 4. a second magnet; 5. blanking; 51. a path front section; 52. a path back section; 6. excess materials; 7. mounting a machine head; 8. a guide rail; 9. a first vacuum chamber; 10. a second vacuum chamber; 11. a first channel; 12. a second channel; 13. a stabilizing plate; 14. a grip portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and fig. 3, the present invention provides a clamping device for processing a blanked part by wire cutting, comprising a clamping assembly for clamping a blanked material 5, wherein the clamping assembly comprises a clamping plate 1 having an adsorption surface, and at most one stabilizing plate 13 for adsorbing a bottom surface of a monolith 2, and a gripping part 14 for facilitating operation of a manipulator is arranged on the clamping plate 1, and specifically, the gripping part 14 is a gripper. The setting of centre gripping subassembly not only can let the wire cut electrical discharge machining bed directly carry out the finishing processing to 5 parts of blanking of cutting at last, improves the machining efficiency of work piece and the precision of work piece, can accomplish accurate absorption blanking 5 moreover, reaches the effect of collecting blanking 5.

The stabilizing plate 13 is an electromagnetic plate, and the surface of the stabilizing plate 13 is an adsorption surface of the stabilizing plate 13. When cutting the elongated member, adsorb firm board 13 in the bottom surface of material all in one piece 2, adsorb clout 6 and blanking 5 simultaneously, the projection of the route back end of blanking 5 on the vertical direction is outside being in firm board 13's region this moment, and stability when this kind of setting can improve blanking 5 cutting, and then the precision of improvement blanking 5 cutting.

The adsorption surface of the clamping plate 1 is provided with a first adsorption part used for being adsorbed and attached to the surface of the excess material 6 and a second adsorption part used for adsorbing the adsorbed surface of the blanking 5.

It should be noted that the adsorbing area of the second adsorbing member is smaller than the area of the adsorbed surface of the blanking 5, so that when the clamping plate 1 is used, the second adsorbing member can be completely located in the range of the blanking 5, that is, the adsorbing range of the second adsorbing member does not exceed the area of the blanking 5.

In addition, the blank 5 has at least one surface to be sucked for suction bonding. The shape of the blank 5 is determined by the area enclosed by the set cutting path, which consists of a path front section 51 and a path rear section 52, and the length of the path rear section 52 is less than half the length of the cutting path.

When the cross section of the blanking 5 is rectangular, the front path section 51 is three connecting sides of the rectangle end to end, the rear path section 52 is the other connecting side of the rectangle, and the front path section 51 and the rear path section 52 of the blanking 5 form a complete cutting path.

When the cross section of the blanking 5 is in a trapezoid arrangement, the front section 51 of the path is three connecting sides connected end to end in the trapezoid shape, the rear section 52 of the path is the other connecting side in the trapezoid shape, and the front section 51 of the path and the rear section 52 of the path of the blanking 5 form a complete cutting path.

When the cross section of the blanking 5 is arranged in a triangle, the path front section 51 is two connecting sides of the triangle, the path rear section 52 is the other connecting side of the triangle, and the path front section 51 and the path rear section 52 of the blanking 5 form a complete cutting path.

When the cross section of the blanking 5 is circular, the length of the front path section 51 is greater than half of the circumference of the blanking 5, and the length of the rear path section 52 is less than half of the circumference of the blanking 5, specifically, the length of the front path section 51 is three-fourths of the cutting path length, the length of the rear path section 52 is one-fourth of the cutting path length, and the front path section 51 and the rear path section 52 of the blanking 5 form a complete cutting path.

Example 1

As shown in fig. 1-3, in the present embodiment, the clamping assembly includes a clamping plate 1 and a stabilizing plate 13, wherein the clamping plate 1 is made of a non-magnetic conductive material, the first attraction member disposed on the attraction surface of the clamping plate 1 is a plurality of first magnets 3, the second attraction member disposed on the attraction surface of the clamping plate 1 is a second magnet 4, the first magnets 3 are electromagnets, and the second magnets 4 are electromagnets or permanent magnets.

In this embodiment, grip block 1 is the rectangle setting, and 3 evenly distributed of first magnet 3 are in the edge on three connection limits of rectangle grip block 1, and second magnet 4 sets up in the edge on all the other connection limits of rectangle grip block 1. When the first magnet 3 is electrified, the first magnet 3 can be attached to the surface of the excess material 6 in an adsorption manner, and when the first magnet 3 is powered off, the clamping plate 1 can be conveniently transferred from the surface of the material arranging body 2; when the second magnet 4 is an electromagnet, the cut blanking 5 can be adsorbed onto the clamping plate 1 by electrifying the second magnet 4, so that the accurate adsorption of the blanking 5 is completed, the effect of collecting the blanking 5 is achieved, and the blanking 5 can be conveniently refined and processed; after cutting off the power supply to second magnet 4, can be convenient for adsorb 5 drops on second magnet 4. When the second magnet 4 is a permanent magnet, the fine blanking 5 can be conveniently adsorbed.

In this embodiment, the present invention further provides a method for using the clamping device for processing the blanking part by wire-cut cutting, when the second magnet 4 is an electromagnet, the method includes the following steps:

the method comprises the following steps: and (3) carrying out wire cutting operation on the monolith 2 according to a set cutting path by using a wire cutting machine, and finishing the path front section 51 of the blanking 5 by using a wire cutting machine after cutting the path front section 51 of the blanking 5.

Step two: horizontally placing the clamping plate 1 on the upper surface of the monolith 2 through a robot or a manipulator for accurately adsorbing and blanking 5, wherein the rear section 52 of the path is outside the coverage range of the clamping plate 1; the second magnet 4 is aligned with the attracted surface of the blank 5 and is completely located in the area of the blank 5, and the attracted surface of the second magnet 4 does not cover the rear path section 52 of the blank 5, so that the second magnet 4 is prevented from influencing the cutting of the rear path section 52 of the blank 5.

Step three: electrifying a plurality of first magnets 3 and second magnets 4 on the clamping plate 1, carrying out adsorption and lamination on the surfaces of the first magnets 3 and the excess materials 6 on the clamping plate 1, carrying out adsorption and lamination on the surfaces of the second magnets 4 and the adsorbed surface of the blanking 5, and enabling the clamping plate 1 to adsorb at any position on the upper surface of the material arranging body 2 without touching the upper machine head 7 of the wire cutting machine by the distance between the upper machine head 7 of the wire cutting machine and the upper surface of the material arranging body 2.

Step four: the stabilizing plate 13 is horizontally placed on the bottom surface of the monolith 2, the adsorption surface of the stabilizing plate 13 is adsorbed and attached to the bottom surface of the monolith 2 for simultaneously adsorbing the excess material 6 and the blanking 5, and there is no overlapping part between the rear section 52 of the path of the blanking 5 and the stabilizing plate 13 in the vertical direction.

Step five: and cutting the path rear section 52 of the blanking 5 according to a set cutting path, separating the blanking 5 from the material sheet 2 after the cutting is finished, adsorbing the blanking 5 onto the clamping plate 1 under the action of the second magnet 4, and finishing the path rear section 52 of the blanking 5 by using a linear cutting machine.

Step six: the stabilizing plate 13 is set off and transferred by a robot.

Step seven: moving the monolith 2 and the clamping plate 1 adsorbed on the surface of the monolith 2 away from the linear cutting position by moving a guide rail 8 below the monolith 2 until the clamping plate 1 adsorbed on the surface of the monolith 2 and an upper machine head 7 of the linear cutting machine have no overlapped area in the projection in the vertical direction;

step eight: and powering off the first magnet 3, transferring the clamping plate 1 to a collection position of the blanking 5 by using a robot or a manipulator, and powering off the second magnet 4 to complete the falling of the blanking 5.

When the second magnet 4 is a permanent magnet, the using method comprises the following steps:

the method comprises the following steps: and (3) performing wire cutting operation on the monolith 2 according to a set cutting path by using a wire cutting machine, and finishing the path front section 51 of the blanking 5 by using a wire cutting machine after cutting the path front section 51 of the blanking 5.

Step two: horizontally placing the clamping plate 1 on the upper surface of the monolith 2 through a robot or a manipulator for accurately adsorbing and blanking 5, wherein the rear section 52 of the path is outside the coverage range of the clamping plate 1; the second magnet 4 is aligned with the attracted surface of the blanking 5 and is completely located in the area of the blanking 5, and the second magnet 4 does not cover the rear section 52 of the path of the blanking 5, so that the second magnet 4 is prevented from influencing the cutting of the rear section 52 of the path of the blanking 5.

Step three: electrifying the first magnets 3 on the clamping plate 1, adsorbing and attaching the first magnets 3 on the clamping plate 1 and the surface of the residual material 6, and enabling the clamping plate 1 to adsorb at any position on the upper surface of the material arranging body 2 without touching the upper machine head 7 of the wire cutting machine by the distance between the upper machine head 7 of the wire cutting machine and the upper surface of the material arranging body 2.

Step four: the stabilizing plate 13 is horizontally placed on the bottom surface of the monolith 2, the adsorption surface of the stabilizing plate 13 is adsorbed and attached to the bottom surface of the monolith 2 for adsorbing the excess material 6 and the blanking 5, and no overlapping part exists between the path rear section 52 of the blanking 5 and the stabilizing plate 13 in the vertical direction.

Step five: and cutting the path rear section 52 of the blanking 5 according to a set cutting path, after the cutting is finished, separating the blanking 5 from the material arranging body 2, adsorbing the blanking 5 onto the clamping plate 1 under the action of the second magnet 4, and finishing the path rear section 52 of the blanking 5 by using a linear cutting machine.

Step six: the stabilizing plate 13 is set off and transferred by a robot.

Step seven: the monolith 2 and the holding plate 1 adsorbed to the surface of the monolith 2 are moved away from the wire cutting position by moving the guide rail 8 under the monolith 2 until there is no overlapping area in the vertical projection of the holding plate 1 adsorbed to the surface of the monolith 2 and the upper head 7 of the wire cutter.

Step eight: the first magnet 3 is powered off, the clamping plate 1 is transferred to a blanking 5 collecting position by a robot or a manipulator, and then the blanking 5 on the clamping plate 1 is adsorbed by a strong magnet.

Example 2

As shown in fig. 4, the present embodiment is different from embodiment 1 in that: the clamping assembly in this embodiment does not include the stabilizing plate 13.

In this embodiment, the present invention further provides a method for using a clamping device for a blanking part in a wire-cutting process, where when the second magnet 4 is an electromagnet, the method includes the following steps:

Step three: electrifying a plurality of first magnets 3 and second magnets 4 on the clamping plate 1, adsorbing and laminating the surfaces of the first magnets 3 and the excess materials 6 on the clamping plate 1, adsorbing and laminating the surfaces of the second magnets 4 and the blanking 5, and at the moment, adsorbing the clamping plate 1 at any position on the upper surface of the material arranging body 2 without touching the upper machine head 7 of the wire cutting machine by the distance between the upper machine head 7 of the wire cutting machine and the upper surface of the material arranging body 2.

Step four: and cutting the path rear section 52 of the blanking 5 according to a set cutting path, separating the blanking 5 from the material sheet 2 after the cutting is finished, adsorbing the blanking 5 onto the clamping plate 1 under the action of the second magnet 4, and finishing the path rear section 52 of the blanking 5 by using a linear cutting machine.

Step five: the monolith 2 and the holding plate 1 adsorbed to the surface of the monolith 2 are moved away from the wire cutting position by moving the guide rail 8 under the monolith 2 until there is no overlapping area in the vertical projection of the holding plate 1 adsorbed to the surface of the monolith 2 and the upper head 7 of the wire cutter.

Step six: and powering off the first magnet 3, transferring the clamping plate 1 to a blanking 5 collecting position by using a robot or a manipulator, and powering off the second magnet 4 to complete the dropping of the blanking 5.

Step three: electrifying a plurality of first magnets 3 on the clamping plate 1, adsorbing and attaching the surfaces of the plurality of first magnets 3 on the clamping plate 1 and the excess materials 6, wherein at the moment, the distance between the upper machine head 7 of the wire cutting machine and the upper surface of the material arrangement 2 can ensure that the clamping plate 1 is adsorbed at any position on the upper surface of the material arrangement 2 without touching the upper machine head 7 of the wire cutting machine.

Step five: the monolith 2 and the holding plate 1 adsorbed to the surface of the monolith 2 are moved away from the wire cutting position by moving the guide rail 8 below the monolith 2 until there is no overlapping area in the vertical projection of the holding plate 1 adsorbed to the surface of the monolith 2 and the upper head 7 of the wire cutting machine.

Step six: the first magnet 3 is powered off, the clamping plate 1 is transferred to a blanking 5 collecting position by a robot or a manipulator, and then the blanking 5 on the clamping plate 1 is adsorbed by a strong magnet.

Example 3

As shown in fig. 5 and 6, the present embodiment is different from embodiment 2 in that: the clamping plate 1 in this embodiment is attached to the side of the blanking 5, which is mainly suitable for the case when the blanking 5 is at the edge of the monolith 2.

When the second magnet 4 is an electromagnet, the use method comprises the following steps:

the method comprises the following steps: pre-cutting the edge of the monolith 2 where the blanking 5 is located, wherein the pre-cut area comprises an adsorbed surface of the blanking 5 and excess material 6 areas on two sides of the adsorbed surface of the blanking 5, and the adsorbed surface of the blanking 5 and the excess material 6 areas on two sides of the adsorbed surface are on the same plane; and then, performing wire cutting operation on the monolith 2 according to a set cutting path by using a wire cutting machine, and finishing the path front section 51 of the blanking 5 by using a wire cutting machine after cutting the path front section 51 of the blanking 5.

Step two: placing the clamping plate 1 on the side surface of the monolith 2 through a robot or a manipulator for precise adsorption blanking 5, wherein the rear section 52 of the path is outside the coverage range of the clamping plate 1; wherein, the adsorption surface of the second magnet 4 is aligned with the adsorbed surface of the blanking 5 and completely positioned in the area of the blanking 5, and the adsorption surface of the second magnet 4 has no influence on the cutting of the path rear section 52 of the blanking 5.

Step three: electrifying a plurality of first magnets 3 and second magnets 4 on the clamping plate 1, adsorbing and laminating a plurality of first magnets 3 on the clamping plate 1 and the side surface of the excess material 6, adsorbing and laminating the second magnets 4 and the adsorbed surface of the blanking 5, and at the moment, the distance between the upper machine head 7 of the wire cutting machine and the upper surface of the material monolith 2 can enable the clamping plate 1 to adsorb at any position on the side surface of the monolith 2 without touching the upper machine head 7 of the wire cutting machine.

Step four: and cutting the path rear section 52 of the blanking 5 according to a set cutting path, after the cutting is finished, separating the blanking 5 from the material arranging body 2, adsorbing the blanking 5 onto the clamping plate 1 under the action of the second magnet 4, and finishing the path rear section 52 of the blanking 5 by using a linear cutting machine.

Step five: the monolith 2 and the holding plate 1 adsorbed to the side of the monolith 2 are moved away from the wire cutting position by moving the guide rail 8 below the monolith 2 until there is no overlapping area in the vertical projection of the holding plate 1 adsorbed to the side of the monolith 2 and the upper head 7 of the wire cutting machine.

the method comprises the following steps: pre-cutting the edge of the monolith 2 where the blanking 5 is positioned, wherein the pre-cut area comprises an adsorbed surface of the blanking 5 and areas of the excess material 6 at two sides of the adsorbed surface of the blanking 5; and then, carrying out wire cutting operation on the monolith 2 according to a set cutting path by using a wire cutting machine, and finishing the path front section 51 of the blanking 5 by using a wire cutting machine after cutting the path front section 51 of the blanking 5.

Step two: placing the clamping plate 1 on the side surface of the monolith 2 through a robot or a manipulator for precise adsorption blanking 5, wherein the rear section 52 of the path is outside the coverage range of the clamping plate 1; wherein, the second magnet 4 is aligned with the attracted surface of the blanking 5 and is completely positioned in the area of the blanking 5, and the second magnet 4 has no influence on the cutting of the path rear section 52 of the blanking 5.

Step three: electrifying the first magnets 3 on the clamping plate 1, adsorbing and attaching the first magnets 3 on the clamping plate 1 and the side surfaces of the excess materials 6, and enabling the clamping plate 1 to adsorb at any position on the side surfaces of the material monolith 2 without touching the upper machine head 7 of the wire cutting machine by the distance between the upper machine head 7 of the wire cutting machine and the upper surface of the material monolith 2.

Example 4

As shown in fig. 7 and 8, in the present embodiment, the clamping assembly includes a clamping plate 1 and a stabilizing plate 13, and the present embodiment differs from embodiment 1 in that: the first suction device arranged on the suction surface of the clamping plate 1 is a plurality of first vacuum chambers 9, and the first vacuum chambers 9 are communicated with an external first vacuum pump through first chamber channels 11. When the first vacuum pump is started, negative pressure occurs in the first vacuum cavity 9, so that the first vacuum cavity is attached to the surface of the excess material 6 in an adsorption manner; when the first vacuum pump is turned off, the first vacuum chamber 9 and the surface of the remainder 6 have no adsorption force, i.e. the first vacuum pump cannot adsorb on the surface of the remainder 6. The second adsorption piece is a second vacuum chamber 10, and the second vacuum chamber 10 is communicated with an external second vacuum pump through a second channel 12. When the second vacuum pump is started, negative pressure occurs in the second vacuum cavity 10, so that the second vacuum cavity is adsorbed and attached to the adsorbed surface of the blanking 5; when the second vacuum pump is turned off, there is no suction force between the second vacuum container 10 and the sucked surface of the blank 5, i.e., the second vacuum container 10 is not sucked onto the sucked surface of the blank 5.

As shown in fig. 3 and fig. 7, in this embodiment, the present invention further provides a method for using a clamping device for a blanking-type part in a wire-cutting process, which includes the following steps:

Step two: horizontally placing the clamping plate 1 on the upper surface of the monolith 2 through a robot or a manipulator for accurately adsorbing and blanking 5, wherein the rear section 52 of the path is outside the coverage range of the clamping plate 1; the second vacuum cavity 10 on the clamping plate 1 is aligned with the adsorbed surface of the blanking 5 and is completely located in the area of the blanking 5, and the second vacuum cavity 10 does not cover the path rear section 52 of the blanking 5, so that the second vacuum cavity 10 is prevented from influencing the cutting of the path rear section 52 of the blanking 5.

Step three: a plurality of first vacuum cavities 9 and a plurality of second vacuum cavities 10 on the clamping plate 1 are respectively vacuumized through an external first vacuum pump and an external second vacuum pump, the first vacuum cavities 9 on the clamping plate 1 are attached to the surface of the excess material 6 in an adsorption mode, the second vacuum cavities 10 on the clamping plate 1 are attached to the attached surface of the blanking 5 in an adsorption mode, and at the moment, the distance between the upper machine head 7 of the wire cutting machine and the upper surface of the material arranging body 2 enables the clamping plate 1 to be attached to any position of the upper surface of the material arranging body 2 without touching the upper machine head 7 of the wire cutting machine.

Step five: and cutting the path rear section 52 of the blanking 5 according to a set cutting path, separating the blanking 5 from the material sheet 2 after the cutting is finished, adsorbing the blanking 5 onto the clamping plate 1 under the action of the second vacuum cavity 10, and finishing the path rear section 52 of the blanking 5 by using a linear cutting machine.

Step six: the stabilizing plate 13 is set off and transferred by a robot.

Step seven: moving the monolith 2 and the clamping plate 1 adsorbed to the surface of the monolith 2 away from the wire cutting position by moving the guide rail 8 below the monolith 2 until the clamping plate 1 adsorbed to the surface of the monolith 2 and the upper head 7 of the wire cutting machine have no overlapping region in the vertical projection;

step eight: and (3) closing the external first vacuum pump to ensure that no adsorption force exists between the first vacuum cavity 9 and the excess material 6, transferring the clamping plate 1 to a collection position of the blanking 5 by using a robot or a manipulator, closing the external second vacuum pump to ensure that no adsorption force exists between the second vacuum cavity 10 and the blanking 5, namely the blanking 5 on the clamping plate 1 falls under the action of gravity.

Example 5

As shown in fig. 4 and 7, the present embodiment is different from embodiment 4 in that: the clamping assembly in this embodiment does not include the stabilizing plate 13.

In this embodiment, the present invention further provides a method for using the clamping device for machining the blanking part by wire cutting, which includes the following steps:

Step two: horizontally placing the clamping plate 1 on the upper surface of the monolith 2 through a robot or a manipulator for accurately adsorbing and blanking 5, wherein the rear section 52 of the path is outside the coverage range of the clamping plate 1; the second vacuum container 10 on the clamping plate 1 is aligned with the adsorbed surface of the blanking 5 and is completely located in the area of the blanking 5, and the second vacuum container 10 does not cover the rear path section 52 of the blanking 5, so that the second vacuum container 10 is prevented from influencing the cutting of the rear path section 52 of the blanking 5.

Step three: a plurality of first vacuum cavities 9 and a plurality of second vacuum cavities 10 on the clamping plate 1 are respectively vacuumized through a first vacuum pump and a second vacuum pump outside, the first vacuum cavities 9 on the clamping plate 1 are attached to the surface of the excess material 6 in an adsorption mode, the second vacuum cavities 10 on the clamping plate 1 are attached to the surface of the blanking 5 in an adsorption mode, and at the moment, the distance between the upper machine head 7 of the wire cutting machine and the upper surface of the material arranging body 2 enables the clamping plate 1 to be adsorbed at any position of the upper surface of the material arranging body 2 without touching the upper machine head 7 of the wire cutting machine.

Step four: and cutting the path rear section 52 of the blanking 5 according to a set cutting path, separating the blanking 5 from the material sheet 2 after the cutting is finished, adsorbing the blanking 5 onto the clamping plate 1 under the action of the second vacuum cavity 10, and finishing the path rear section 52 of the blanking 5 by using a linear cutting machine.

Step five: moving the monolith 2 and the clamping plate 1 adsorbed on the surface of the monolith 2 away from the linear cutting position by moving a guide rail 8 below the monolith 2 until the clamping plate 1 adsorbed on the surface of the monolith 2 and an upper machine head 7 of the linear cutting machine have no overlapped area in the projection in the vertical direction;

step six: and (3) closing the external first vacuum pump to ensure that no adsorption force exists between the first vacuum cavity 9 and the excess material 6, transferring the clamping plate 1 to a collection position of the blanking 5 by using a robot or a manipulator, closing the external second vacuum pump to ensure that no adsorption force exists between the second vacuum cavity 10 and the blanking 5, namely the blanking 5 on the clamping plate 1 falls under the action of gravity.

Example 6

As shown in fig. 5 to 7, the present embodiment is different from embodiment 5 in that: the clamping plate 1 in this embodiment is attached to the side of the blanking 5, which is mainly suitable for the case when the blanking 5 is at the edge of the monolith 2. The using method comprises the following steps:

the method comprises the following steps: pre-cutting the edge of the material arranging body 2 where the blanking 5 is located, wherein the pre-cut area comprises an adsorbed surface of the blanking 5 and residual material 6 areas on two sides of the adsorbed surface of the blanking 5, and the adsorbed surface of the blanking 5 and the residual material 6 areas on two sides of the adsorbed surface are on the same plane; and then, performing wire cutting operation on the monolith 2 according to a set cutting path by using a wire cutting machine, and finishing the path front section 51 of the blanking 5 by using a wire cutting machine after cutting the path front section 51 of the blanking 5.

Step two: horizontally placing the clamping plate 1 on the side surface of the monolith 2 through a robot or a manipulator for accurately adsorbing and blanking 5, wherein the rear section 52 of the path is outside the coverage range of the clamping plate 1; the second vacuum cavities 10 on the holding plate 1 are aligned with the adsorbed surface of the blanking 5 and are completely positioned in the area of the blanking 5, and the second vacuum cavities 10 have no influence on the cutting of the path rear section 52 of the blanking 5.

Step three: a plurality of first vacuum cavities 9 and a plurality of second vacuum cavities 10 on the clamping plate 1 are respectively vacuumized through an external first vacuum pump and an external second vacuum pump, the plurality of first vacuum cavities 9 on the clamping plate 1 are adsorbed and attached to the side surfaces of the excess materials 6, the adsorption surface of the second vacuum cavity 10 on the clamping plate 1 is adsorbed and attached to the adsorbed surface of the blanking 5, and at the moment, the distance between the upper machine head 7 of the wire cutting machine and the upper surface of the material monolith 2 can enable the clamping plate 1 to be adsorbed at any position on the side surface of the monolith 2 without touching the upper machine head 7 of the wire cutting machine.

Step five: moving the monolith 2 and the clamping plate 1 adsorbed to the side surface of the monolith 2 away from the wire cutting position by moving the guide rail 8 below the monolith 2 until the clamping plate 1 adsorbed to the side surface of the monolith 2 and the upper head 7 of the wire cutting machine have no overlapping region in the vertical direction;

step six: and (3) turning off an external first vacuum pump to ensure that no adsorption force exists between the first vacuum cavity 9 and the excess material 6, transferring the clamping plate 1 to a collection position of the blanking 5 by using a robot or a manipulator, turning off an external second vacuum pump, and enabling no adsorption force to exist between the second vacuum cavity 10 and the blanking 5, namely, the blanking 5 on the clamping plate 1 falls under the action of gravity.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a clamping device of wire-electrode cutting processing blanking class part which characterized in that: comprises a clamping assembly for clamping a blanking (5), wherein the clamping assembly comprises a clamping plate (1) with an adsorption surface and at most one stabilizing plate (13) for adsorbing the bottom surface of a monolith (2); the blanking (5) is at least provided with an adsorbed surface for adsorption and bonding, and the adsorbed surface of the blanking (5) is an upper surface or a side surface; the clamping plate (1) is provided with a gripping part (14) which is convenient for the operation of a mechanical hand.

2. The clamping device for the blanking part in the wire cutting process according to claim 1, wherein: the adsorption surface of the clamping plate (1) is provided with a first adsorption part used for being adsorbed and attached to the surface of the excess material (6) and a second adsorption part used for adsorbing the adsorbed surface of the blanking (5).

3. The clamping device for the blanking part in the wire cutting process according to claim 2, wherein: the first adsorption parts are a plurality of first magnets (3), the second adsorption parts are second magnets (4), the first magnets (3) are electromagnets, and the second magnets (4) are electromagnets or permanent magnets.

4. The clamping device for the blanking part in the wire cutting process according to claim 2, wherein: the first suction fittings are a plurality of first vacuum cavities (9), and the first vacuum cavities (9) are communicated with an external first vacuum pump through first cavity channels (11); the second adsorption piece is a second vacuum cavity (10), and the second vacuum cavity (10) is communicated with an external second vacuum pump through a second cavity channel (12).

5. The clamping device for the blanking part in the wire cutting process according to claim 3 or 4, wherein: the second adsorption part is smaller than the area of the adsorbed surface of the blanking (5), so that the second adsorption part can be completely positioned in the area of the blanking (5).

6. The clamping device for the blanking part for the wire cutting machining according to claim 1 is characterized in that: the stabilizing plate (13) is an electromagnet plate, and the surface of the stabilizing plate (13) is an adsorption surface of the stabilizing plate (13).

7. The clamping device for the blanking part for the wire cutting machining according to claim 1 is characterized in that: the cross-sectional shape of the blank (5) is determined by the shape of the area enclosed by the cutting path, the cutting path is composed of a path front section (51) and a path rear section (52), and the length of the path rear section (52) is less than half of the length of the cutting path.

8. The use method of the clamping device for the blanking part in the wire cutting process according to any one of the claims 2 to 7 is characterized in that: the method comprises the following steps:

the method comprises the following steps: performing wire cutting operation on the material arranging body (2) according to a set cutting path by using a wire cutting machine, and finishing the path front section (51) of the blanking (5) by using a wire cutting machine after cutting the path front section (51) of the blanking (5);

step two: horizontally placing the clamping plate (1) on the upper surface of the monolith (2) or the side surface of the monolith (2) through a robot or a manipulator for accurately adsorbing and blanking (5), wherein the rear section (52) of the path is out of the coverage range of the clamping plate (1); the second adsorption part is aligned with the adsorbed surface of the blanking (5) and is completely positioned in the area of the blanking (5), and the second adsorption part does not cover the rear section (52) of the path of the blanking (5);

step three: if the first suction pieces on the clamping plate (1) are a plurality of first magnets (3), electrifying the first magnets (3); if the first suction parts on the clamping plate (1) are the first vacuum cavities (9), vacuumizing the first vacuum cavities (9) through an external first vacuum pump to enable the first suction parts on the clamping plate (1) to be attached to the surface of the excess material (6) in an adsorption mode; if the second adsorption piece on the clamping plate (1) is an electromagnet, the second adsorption piece needs to be electrified; if the second adsorption piece on the clamping plate (1) is a second vacuum cavity (10), vacuumizing the second vacuum cavity (10) through an external second vacuum pump, and enabling the second adsorption piece to be adsorbed in the blanking (5) area; at the moment, the distance between the upper machine head (7) of the wire cutting machine and the upper surface of the monolith (2) can enable the clamping plate (1) to be adsorbed at any position on the upper surface of the monolith (2) without touching the upper machine head (7) of the wire cutting machine;

step four: if the clamping assembly comprises a stabilizing plate (13), the stabilizing plate (13) is horizontally placed on the bottom surface of the whole body (2), the adsorption surface of the stabilizing plate (13) is adsorbed and attached to the bottom surface of the whole body (2) for adsorbing the excess materials (6) and the blanking (5), and no overlapping part exists between the rear section (52) of the path of the blanking (5) and the stabilizing plate (13) in the vertical direction;

step five: cutting the path rear section (52) of the blanking (5) according to a set cutting path, separating the blanking (5) from the material arranging body (2) after the cutting is finished, adsorbing the blanking (5) onto the clamping plate (1) under the action of a second adsorption part, and finishing the path rear section (52) of the blanking (5) by using a linear cutting machine;

step six: if the stabilizing plate (13) is attached to the bottom surface of the material arranging body (2) in an adsorbing way, the stabilizing plate (13) is powered off and is transferred by a manipulator;

step seven: moving the monolith (2) and the clamping plate (1) adsorbed on the surface of the monolith (2) away from the linear cutting position by moving a guide rail (8) below the monolith (2) until the clamping plate (1) adsorbed on the surface of the monolith (2) and an upper machine head (7) of a linear cutting machine have no overlapped area in the vertical projection direction;

step eight: if the first absorbing parts on the clamping plate (1) are a plurality of first magnets (3), the first magnets (3) are powered off; if the first suction parts on the clamping plate (1) are the first vacuum cavities (9), the external first vacuum pump is closed, so that no adsorption force exists between the first suction parts on the clamping plate (1) and the surface of the material arranging body (2), and then the clamping plate (1) and the blanking (5) are transferred to a blanking (5) collecting position by using a robot or a manipulator to complete the dropping of the blanking (5).

9. The use method of the clamping device for the blanking part in the wire cutting process according to claim 8 is characterized in that: when the clamping plate (1) is adsorbed on the side surface of the monolith (2), the first step also comprises pre-cutting the edge of the monolith (2) where the blanking (5) is located.

10. The use method of the clamping device for the blanking part in the wire cutting process according to claim 9 is characterized in that: the precut area comprises an adsorbed surface of the blanking (5) and excess material (6) areas on two sides of the adsorbed surface of the blanking (5), and the adsorbed surface of the blanking (5) and the excess material (6) areas on two sides of the adsorbed surface are on the same plane.