CN206139932U - Electrical power transmission device for wire cutting machine hurries up - Google Patents

Abstract

The utility model discloses an electrical power transmission device for wire cutting machine hurries up, first fixed conducting block, the conducting block is fixed to the second, the coaxial screw rod that has cup jointed of activity conducting block, the antifriction bearing and the 2nd antifriction bearing that set up through the both ends face are connected with the screw rod rotation, first fixed conducting block, the fixed conducting block of second is fixed on the connecting plate through screw rod and first nut respectively, set up vertical sliding tray on the connecting plate, the activity conducting block passes through the screw rod, first nut and second nut are installed in the sliding tray, behind the tighten nut through the gasket with transmitted pulse current for the fixed conducting block of first fixed conducting block, second through pulse generator by electric shell fragment, the outer peripheral face of first fixed conducting block, the fixed conducting block of second, activity conducting block is equipped with the molybdenum filament groove, the molybdenum filament passes first fixed conducting block, activity conducting block, the fixed conducting block of second through the molybdenum filament groove in proper order. The problem of improperly between molybdenum filament and conducting block among the prior art discharge and appear pressing from both sides silk and disconnected silk easily is solved.

Description

Fast wire edm cutter power transmission device

Technical field

This utility model belongs to high speed WEDM technical field, is related to a kind of fast wire edm cutter power transmission device.

Background technology

Due to the part quality high precision of high speed WEDM processing, it is widely used in the production of machine components and mould Enterprise, but the fast wire edm cutter for being used now contacts (molybdenum filament slides on conducting block) frequently with molybdenum filament with conducting block Mode conveys pulse current, although this structure is simple, after a period of time, molybdenum filament loosens, and has between molybdenum filament and conducting block Minim gap, causes occur abnormal discharge between molybdenum filament and conducting block in use, causes the electric discharge between molybdenum filament and workpiece Energy reduces, the problems such as easily there is wired and fracture of wire, directly affect fast wire edm cutter working (machining) efficiency and workpiece plus Working medium amount, therefore, it is necessary to be suitably modified to the electric means of fast wire edm cutter.

Utility model content

In order to achieve the above object, this utility model provides a kind of fast wire edm cutter power transmission device, solves existing Having in technology has minim gap between molybdenum filament and conducting block, cause abnormal discharge between molybdenum filament and conducting block in use, and Easily there is wired and fracture of wire problem.

The technical scheme that this utility model is adopted is, a kind of fast wire edm cutter power transmission device, including first solid Determine conducting block, the second fixation conducting block, active conductive block, the first fixation conducting block, the second fixation conducting block, active conductive block are same Axle sleeve is connected to screw rod, and is connected with screw rod rotation by first rolling bearing and the second rolling bearing of both ends of the surface setting, first Fixed conducting block, the second fixation conducting block are fixed on connecting plate respectively by screw rod and the first nut, are offered on connecting plate Vertical sliding groove, the first fixation conducting block, the second fixation conducting block are symmetrically distributed in the both sides of sliding groove, and active conductive block leads to Screw rod, the first nut and the second nut are crossed in sliding groove, it is possible to move up and down along sliding groove；First fixes conductive Pad is provided between block, the left side of the second fixation conducting block and the first nut, by pad and by electricity after the first nut screwing clamping Shell fragment passages through which vital energy circulates rushes power supply and passes to the first fixation conducting block, second fixes conducting block pulse current, first fix conducting block, the Two fixation conducting blocks are electrically connected by screw rod left end with the pulse power；First fixes conducting block, the second fixation conducting block, activity The outer peripheral face of conducting block is equipped with molybdenum filament groove, molybdenum filament by molybdenum filament groove sequentially pass through the first fixation conducting block, active conductive block, Two fix conducting block.

Of the present utility model to be further characterized in that, further, the width of the sliding groove is less than more than the external diameter of screw rod The external diameter of the second nut.

Further, the first fixation conducting block, the second fixation conducting block, active conductive block are cylinder.

Further, described first conducting block, the second fixation conducting block, the right side of active conductive block and connecting plate are fixed Between be provided with rubber blanket.

Further, the connecting plate is provided with installing hole, and installing hole is at least provided with two.

Further, the material of the screw rod is copper.

Further, described first conducting block, the second fixation conducting block, active conductive block are fixed using hard alloy.

The beneficial effects of the utility model are：This utility model when in use, first passes through installing hole and is arranged on connecting plate On fast wire edm cutter, molybdenum filament sequentially passes through the first fixation conducting block, active conductive block, the second fixation conduction by molybdenum filament groove Block, by the action of gravity of active conductive block, molybdenum filament be close to all the time in operation the first fixation conducting block, active conductive block, Second fixes on conducting block and drives three conducting blocks to rotate, and increases the contact surface between molybdenum filament and three conducting blocks Product, reduces the frictional force between molybdenum filament and three conducting blocks, makes the contact reliability between molybdenum filament and three conducting blocks, has prevented molybdenum filament With the spark discharge between three conducting blocks.

Additionally, after using a period of time, when molybdenum filament loosens, can pass through to adjust the position adjustment by active conductive block The tightness of molybdenum filament, so as to ensure to be in close contact between molybdenum filament and guide wheel, molybdenum filament and three conducting blocks, reduces molybdenum filament operating Vibration, and be rolling friction due to changing sliding friction, the operating resistance of molybdenum filament is reduced, improve machined surface quality and essence Degree.

The utility model patent aims at fast wire edm cutter research and development, it is adaptable to domestic fast wire winding cutting off machine.With people Requirement more and more higher to product quality, fast wire winding cutting machine is widely used in mould industry and field of machining, and it is solved Have problems in the traditional electric means of fast wire edm cutter molybdenum filament of having determined, the cutting efficiency of wire cutting machine is improve, with very High promotional value.

Description of the drawings

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.

Fig. 1 is the structural representation of this utility model conducting block.

Fig. 2 is the assembling schematic diagram of this utility model power transmission device.

In figure, 1. screw rod, 2. the first nut, 3. pad, 4. by electric shell fragment, 5. the first rolling bearing 6. first is fixed and led Electric block, 7. molybdenum filament groove, 8. the second rolling bearing, 9. rubber blanket, 10. the second nut, 11. installing holes, 12. molybdenum filaments, 13. connections Plate, 14. sliding grooves, 15. active conductive blocks, 16. second fix conducting block.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

Structure of the present utility model, as shown in Figure 1-2, including first fixes the fixation conducting block 16 of conducting block 6, second, lives Moving conductive block 15, the first fixation conducting block 6, second fixes conducting block 16, active conductive block 15 and is coaxially socketed with screw rod 1, and leads to The first rolling bearing 5 and the second rolling bearing 8 and screw rod 1 for crossing both ends of the surface setting is rotated and is connected, the first fixation conducting block 6, the Two fixation conducting blocks 16 are fixed on connecting plate 13 respectively by the nut 2 of screw rod 1 and first, and it is vertical to offer on connecting plate 13 Sliding groove 14, the first fixation conducting block 6, second fixes the both sides that conducting block 16 is symmetrically distributed in sliding groove 14, active conductive block 15 are arranged in the chute 14 of connecting plate with the nut 10 of screw rod 1 and second, and active conductive block 15 can be moved down on sliding groove 14 It is dynamic；First fixation conducting block 6, second is fixed between the left side of conducting block 16 and the first nut 2 and is provided with pad 3, the first nut 2 By pad 3 and by the passages through which vital energy circulates of electric shell fragment 4 power supply is rushed after tightening pulse current is passed to into the first fixation conducting block 6, second fix Conducting block 16, the first fixation conducting block 6, second is fixed conducting block 16 and is electrically connected with the pulse power by the left end of screw rod 1；By electricity Pulse current is transmitted separately to the first fixation conducting block 6, second and fixes conducting block 16 by shell fragment 4；First fix conducting block 6, the Two fixation conducting blocks 16, rubber blanket 9 is provided between the right side of active conductive block 15 and connecting plate 13；First fixation conducting block 6, Second fixes conducting block 16, active conductive block 15 is arranged in a triangle on connecting plate 13, and first fixes conducting block 6, second consolidates Determine conducting block 16, active conductive block 15 and be cylinder, first fixes conducting block 6, second fixes conducting block 16, active conductive block 15 outer peripheral face is provided with molybdenum filament groove 7, and molybdenum filament 12 sequentially passes through the first fixation conducting block 6, active conductive block by molybdenum filament groove 7 15th, second conducting block 16 is fixed；Connecting plate 13 is provided with installing hole 11, installing hole 11 at least provided with two, for by connecting plate 13 are arranged on fast wire edm cutter.

The material of screw rod 1 is copper, and the electric conductivity of copper is better than ferrum, aluminum, and rustless property might as well；First fixation conducting block 6, Second fixation conducting block 16, active conductive block 15 are made up of hard alloy；Active conductive block 15 can be moved down on sliding groove 14 The dynamic size to adjust the tension force of molybdenum filament 12；Pulse current is transmitted to fixed conducting block 6 by electric shell fragment 4, and remain with it is right Answer conducting block contact good, it is ensured that electric current transmission is reliable.

When using, first pass through installing hole 11 and connecting plate 13 is arranged on fast wire edm cutter, molybdenum filament 12 passes through molybdenum filament Groove 7 sequentially passes through the first fixation conducting block 6, active conductive block 15, second and fixes conducting block 16, by the weight of active conductive block 15 Power is acted on, and molybdenum filament 12 is close to all the time in operation the first fixation conducting block 6, active conductive block 15, second and fixes conducting block 16 Go up and drive three conducting blocks to rotate, increase the contact area between molybdenum filament 12 and three conducting blocks, reduce molybdenum filament Frictional force between 12 and three conducting blocks, makes the contact reliability between molybdenum filament 12 and three conducting blocks, has prevented molybdenum filament 12 and three Spark discharge between conducting block.

Additionally, when using a period of time after, molybdenum filament 12 loosen when, can first unclamp the second nut 10, along sliding groove to The position of lower adjustment active conductive block 15, and then the tightness of molybdenum filament 12 is adjusted, so as to ensure molybdenum filament 12 and guide wheel, molybdenum filament 12 It is in close contact between three conducting blocks, reduces the operating vibration of molybdenum filament 12, and be rolling friction due to changing sliding friction, subtracts The little operating resistance of molybdenum filament 12, improves machined surface quality and precision.

It should be noted that herein, term " including ", "comprising" or its any other variant are intended to non-row His property is included, so that a series of process, method, article or equipment including key elements not only include those key elements, and And also include other key elements being not expressly set out, or also include for this process, method, article or equipment institute inherently Key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that including institute Also there is other identical element in process, method, article or the equipment of stating key element.

Preferred embodiment of the present utility model is the foregoing is only, protection model of the present utility model is not intended to limit Enclose.All any modification, equivalent substitution and improvements made within spirit of the present utility model and principle etc., are all contained in this reality With in new protection domain.

Claims (7)

1. a kind of fast wire edm cutter power transmission device, it is characterised in that fix conducting block (6), second fix including first Conducting block (16), active conductive block (15), first fixes conducting block (6), the second fixation conducting block (16), active conductive block (15) Coaxially it is socketed with screw rod (1), and the first rolling bearing (5) and the second rolling bearing (8) and screw rod (1) for passing through both ends of the surface setting Connection is rotated, the first fixation conducting block (6), the second fixation conducting block (16) are fixed by screw rod (1) and the first nut (2) respectively On connecting plate (13), vertical sliding groove (14) is offered on connecting plate (13), first fixes conducting block (6), the second fixation Conducting block (16) is symmetrically distributed in the both sides of sliding groove (14), active conductive block (15) by screw rod (1), the first nut (2) and Second nut (10) is in sliding groove (14), it is possible to move up and down along sliding groove (14)；First fixation conducting block (6), Pad (3) is provided between the left side of the second fixation conducting block (16) and the first nut (2), the first nut (2) passes through after tightening Pad (3) and rushed power supply by electric shell fragment (4) passages through which vital energy circulates pulse current is passed to the first fixation conducting block (6), second fixes conductive Block (16), the first fixation conducting block (6), the second fixation conducting block (16) are electrically connected by screw rod (1) left end with the pulse power； First fixation conducting block (6), the second fixation conducting block (16), the outer peripheral face of active conductive block (15) are equipped with molybdenum filament groove (7), molybdenum Silk (12) sequentially passes through the first fixation conducting block (6), active conductive block (15), the second fixation conducting block by molybdenum filament groove (7) (16)。

2. a kind of fast wire edm cutter power transmission device according to claim 1, it is characterised in that the sliding groove (14) width is less than the external diameter of the second nut (10) more than the external diameter of screw rod (1).

3. a kind of fast wire edm cutter power transmission device according to claim 1, it is characterised in that described first fixes Conducting block (6), the second fixation conducting block (16), active conductive block (15) are cylinder.

4. a kind of fast wire edm cutter power transmission device according to claim 1, it is characterised in that described first fixes Conducting block (6), second are fixed conducting block (16), are provided with rubber blanket between the right side of active conductive block (15) and connecting plate (13) (9)。

5. a kind of fast wire edm cutter power transmission device according to claim 1, it is characterised in that the connecting plate (13) installing hole (11) is provided with, installing hole (11) is at least provided with two.

6. a kind of fast wire edm cutter power transmission device according to claim 1, it is characterised in that the screw rod (1) Material be copper.

7. a kind of fast wire edm cutter power transmission device according to claim 1, it is characterised in that described first fixes Conducting block (6), second are fixed conducting block (16), active conductive block (15) and adopt hard alloy.