CN211162271U - Linear cutting machine with coolant filtering capability - Google Patents

Abstract

The utility model relates to a wire cut electrical discharge machining bed with coolant liquid filtering capability belongs to wire cut electrical discharge machining equipment technical field, including the lathe main part that has table surface, its one side is provided with the coolant liquid case, and the coolant liquid case is separated for setting tank and filter box by the division board, has seted up the guiding gutter on the table surface, and the trompil with the setting tank intercommunication is seted up to the inner diapire of guiding gutter, slides along vertical direction in the division board and is provided with the pull board, has set firmly the pipe of intercommunication setting tank and filter box on the pull board, is provided with the collection sediment frame in the setting tank. In the wire-electrode cutting working process, the turbid liquid of coolant liquid mixed with impurities and iron filings flows into the precipitation box from the opening in the guide groove on the working table, most of the impurities and scraps in the turbid liquid are precipitated in the slag collecting frame, the supernatant reaches the height of the guide pipe and then flows into the filter box from the guide pipe, the coolant liquid can be recycled, the impurities and the scraps are precipitated, the coolant liquid has better conductivity all the time, and the wire breaking frequency of the electrode wire is reduced.

Description

Linear cutting machine with coolant filtering capability

Technical Field

The utility model relates to a wire cut electrical discharge machining equipment technical field, in particular to wire cut electrical discharge machining bed with coolant liquid filtering capability.

Background

With the continuous increase of the technical cost of the wire cutting machine, the problems of the precision wire cutting machine on reducing the production cost and improving the performance become urgent to be solved, and the double-wire cutting technology generated by the wire cutting machine is also promoted to become a powerful production tool and be applied.

Chinese patent with publication number CN208033856U discloses a wire cutting machine, which comprises a workbench, a wire electrode and a Z-axis, and in addition, the wire cutting machine further comprises a workpiece clamping mechanism and a U-axis cutting wire frame mechanism, the workpiece clamping mechanism is installed on the workbench, the U-axis cutting wire frame mechanism comprises a U-axis moving component, an upper capstan, a lower capstan and a mounting seat, wherein the mounting seat is installed below the Z-axis, the U-axis moving component and the lower capstan are installed on the mounting seat, the upper capstan is installed on the U-axis moving component and can move along the self axial direction under the driving of the U-axis moving component, the upper capstan and the lower capstan can move up and down along the Z-axis, and the wire electrode sequentially passes through the upper capstan and the lower capstan. The angle measuring and cutting device has the advantages of capability of automatically measuring the angle of the disc-shaped cutter and cutting, convenience in clamping and dismounting the cutter, high automation degree and the like.

However, when the wire electrode is used for electrically corroding a workpiece, the wire electrode is also worn, and impurities and scrap iron are generated in the process of the wear, so that the working fluid used in the working process contains the impurities and the scrap iron, and the impurities and the scrap iron are more and more along with the increase of the working time of the wire cutting machine, so that the resistance value of the cooling fluid is greatly changed, the cooling and flushing quality of the cooling fluid is reduced, and frequent wire breakage is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wire cut electrical discharge machining bed with coolant liquid filtering capability has the advantage that can filter impurity and iron fillings in the coolant liquid.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a wire cutting machine tool with a cooling liquid filtering function comprises a machine tool main body, wherein a working table top is arranged on the machine tool main body, a cooling liquid box is arranged on one side of the machine tool main body, a partition plate is vertically and fixedly arranged in the cooling liquid box and divides the cooling liquid box into a settling box and a filtering box, a flow guide groove is formed in the working table top, an opening is formed in the inner bottom wall of the flow guide groove, one end, away from the working table top, of the opening is communicated with the settling box, a sliding groove is formed in the top wall of the partition plate in the vertical direction, a pulling plate is arranged in the sliding groove in the vertical direction in a sliding mode, a guide pipe with two ends respectively communicated with the settling box and the filtering box is fixedly arranged on the pulling plate, a sliding hole for the guide pipe to slide in the vertical direction is formed in the partition plate, a limiting part for limiting the sliding of, the filter box is internally provided with a submersible pump, the output end of the submersible pump is communicated with a cooling liquid pipe, and one end of the cooling liquid pipe, which is far away from the submersible pump, is fixedly connected to the machine tool main body and faces the working section of the electrode wire.

Through the technical scheme, before the linear cutting processing is carried out by an operator, the pull plate is pulled firstly, the pull plate and a guide pipe on the pull plate are lifted to be close to an opening of a filter box, the pull plate is fixed by a limiting part, then, clean cooling liquid is injected into a filter box, a submersible pump is started, the cooling liquid is sprayed on a working section of an electrode wire on a workbench, the linear cutting operation can be started, in the linear cutting working process, the turbid cooling liquid mixed with impurities and scrap iron flows into a settling box from a diversion groove on a working table surface after being guided by the diversion groove on the working table surface, the turbid liquid has higher density in the accumulation process in the settling box, most of the turbid liquid is precipitated in a residue collection frame, after the turbid liquid is accumulated to a higher water level in the settling box, the upper clear liquid reaches the height of the guide pipe and flows into the filter box from the guide pipe, the cooling liquid can be recycled, and the impurities and the scraps in the turbid liquid are precipitated in the circulation process by the cooling liquid, the cooling liquid has better conductivity all the time, and the wire breakage frequency of the electrode wire is reduced.

The utility model discloses further set up to: the locating part is a compression bolt, the top wall of the partition plate is fixedly provided with a mounting plate, a threaded hole is formed in the mounting plate along the thickness direction of the partition plate, the compression bolt is in threaded hole in threaded connection, and the compression bolt is close to a friction plate fixedly connected with one end of the pull plate coaxially.

Through the technical scheme, when an operator mentions the drawing plate to perform positioning operation on the drawing plate, the pressing bolt is screwed manually, so that the friction plate on the pressing bolt is clung to the drawing plate, and the drawing plate is positioned through friction force between the friction plate and the drawing plate, so that the horizontal height of the guide pipe on the partition plate can be suitable for the coolant stock solution with different initial heights of the filter box.

The utility model discloses further set up to: waterproof layers are fixedly arranged on the surfaces, close to the sliding blocks, of the drawing plates.

Through above-mentioned technical scheme, at the fixed one deck waterproof layer of both sides of pull board, when making the pull board slide in the spout, the waterproof layer fills the gap between pull board and the spout, increases the isolated leakproofness between setting tank and the filter tank.

The utility model discloses further set up to: one end of the guide pipe extending into the filtering box is connected with a filtering cover in a threaded manner, and the filtering cover is provided with dense meshes.

Through above-mentioned technical scheme, when supernatant fluid filtered the case through the pipe inflow in the setting tank, impurity and the piece of the sediment of not fully standing in the coolant liquid filtered through filtering the lid, effectively completely cut off impurity and piece in the setting tank, when crossing the mesh and blockking up on filtering the lid, the accessible will be filtered the lid and pulled down from the pipe, clear up fast, and is practical convenient, promotes the cleanliness factor that gets into the endless coolant liquid.

The utility model discloses further set up to: and a strip-shaped observation window is arranged on the outer wall of the settling tank along the vertical direction.

Through above-mentioned technical scheme, operating personnel observes the sediment height of impurity and clastic in the settling tank through observation window directly perceived, when impurity and piece are full of the sediment frame basically, and operating personnel can drop to the lowest position with the pipe, will collect the sediment frame after making the water level decline in the settling tank and mention to once handle impurity and piece are concentrated, and is quick convenient.

The utility model discloses further set up to: the roof of collection sediment frame is provided with two rings along self length direction interval is fixed, the roof of setting tank rotates along collection sediment frame length direction and is provided with the axis of rotation, coaxial fixed being provided with two rope winding drums with rings position looks adaptation in the axis of rotation, around being equipped with the stay cord on the rope winding drum, the one end fixed connection of stay cord is on the rope winding drum, other end fixedly connected with is used for dismantling the couple of being connected with rings, the fixed crank that sets up of one end of axis of rotation, be provided with on the setting tank and be used for restricting axis of rotation pivoted stop gear.

Through the technical scheme, operating personnel drop the back with the internal water level of setting tank, put into the setting tank with the couple on the stay cord, and articulate on the rings on album sediment frame, the crank rotates this moment again, drive axis of rotation and a rope winding section of thick bamboo and rotate, thereby with the stay cord rolling, and will collect the sediment frame and lift up from the setting tank, after collection sediment frame rises, listen stop gear again and limit crank rotation, can make collection sediment frame suspend in midair at current height, effectively avoid the inconvenience that produces when the staff stretches into the setting tank and draws collection sediment frame, the operating personnel of being convenient for takes out album sediment frame.

The utility model discloses further set up to: stop gear is the inserted bar, the inserted bar is worn to establish on the crank along axis of rotation endwise slip, the fixed block that is provided with on the setting tank, the fixed block is close to and sets up the slot with inserted bar looks adaptation on the lateral wall of inserted bar.

Through the technical scheme, after an operator rotates the crank to lift the slag collecting frame, the inserting rod on the crank is slid, one end of the inserting rod is inserted into the inserting groove in the fixing block on the settling tank, the crank can be fixed, and the operation is quick and convenient.

The utility model discloses further set up to: the inner bottom wall of the slag collecting frame is provided with water filtering holes, and a filtering layer which is paved on the inner bottom wall of the slag collecting frame.

Through above-mentioned technical scheme, the sediment frame that collects promotes the back in the setting tank, and the interior residual coolant liquid of sediment frame that collects flows back to the setting tank after filter layer filters in the sediment frame, can promote coolant liquid recycle rate, saves the coolant liquid.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

in the process of wire cutting, cooling liquid turbid liquid mixed with impurities and scrap iron flows into a settling tank from an opening in a guide groove on a worktable, the density of the impurities and the scrap iron is high in the process of accumulation of the turbid liquid in the settling tank, most of the turbid liquid is precipitated in a slag collecting frame, and supernatant liquid flows into a filter tank from a conduit after reaching the height of the conduit, so that the cooling liquid can be recycled, the impurities and the scrap iron are precipitated, the cooling liquid has good conductivity all the time, and the wire breakage frequency of a wire electrode is reduced;

after the water level in the settling tank is lowered by an operator, the hook on the pull rope is placed into the settling tank and is hung on the hanging ring on the slag collecting frame, the crank is rotated at the moment to drive the rotating shaft and the rope winding drum to rotate, so that the pull rope is wound, the slag collecting frame is lifted from the settling tank, and after the slag collecting frame is lifted, the crank is limited to rotate by the limiting mechanism, so that the slag collecting frame can be suspended at the current height, the inconvenience caused when the operator stretches into the settling tank to extract the slag collecting frame is effectively avoided, and the operator can take out the slag collecting frame conveniently;

and thirdly, after the slag collecting frame is lifted in the settling tank, residual cooling liquid in the slag collecting frame flows back to the settling tank after being filtered by the filtering layer in the slag collecting frame, so that the recycling rate of the cooling liquid can be improved, and the cooling liquid is saved.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view of another perspective of the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 3;

FIG. 5 is a schematic sectional view of the settling tank of the present invention;

fig. 6 is an enlarged view of a portion C in fig. 5.

Reference numerals: 1. a machine tool main body; 11. a work table; 12. a diversion trench; 13. opening a hole; 2. a coolant tank; 21. a partition plate; 22. a settling tank; 221. an observation window; 23. a filtering box; 3. a drawing plate; 31. a chute; 32. a conduit; 321. a filter cover; 33. a slide hole; 34. a waterproof layer; 4. a slag collecting frame; 41. a hoisting ring; 42. a filter layer; 5. a submersible pump; 51. a coolant tube; 6. mounting a plate; 61. a threaded hole; 62. a hold-down bolt; 63. a friction plate; 7. a rotating shaft; 71. a rope drum; 72. pulling a rope; 73. hooking; 74. a crank; 8. a fixed block; 81. inserting a rod; 82. and (4) a slot.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 3, a linear cutting machine with coolant filtering function comprises a machine tool main body 1, wherein the machine tool main body 1 is provided with a worktable 11, a diversion trench 12 is formed in the periphery of the worktable 11, an opening 13 is formed in the inner bottom wall of the diversion trench 12, and a track with one end communicated with the opening 13 is fixedly connected to the bottom wall of the worktable 11. A cooling liquid tank 2 is fixed on one side of a machine tool main body 1, a vertical partition plate 21 is fixed in the cooling liquid tank 2, the partition plate 21 divides the cooling liquid tank 2 into a settling tank 22 and a filtering tank 23, and the horizontal height of the bottom of the settling tank 22 is higher than that of the bottom of the filtering tank 23. The other end of the rail at the bottom of the working platform 11, which is far away from the opening 13, extends to the position right above the settling tank 22.

As shown in fig. 1 and 4, a slag collecting frame 4 slides in the settling tank 22 along the vertical direction, the periphery of the slag collecting frame 4 is provided with a sealing solid baffle, a water filtering plate is arranged on the bottom plate of the slag collecting frame 4, and in combination with fig. 6, a filtering layer 42 is laid on the bottom plate of the slag collecting frame 4, and the filtering layer 42 is made of sponge and is used for filtering impurities and crushed slag in the slag collecting frame 4. An observation window 221 is arranged on the outer wall of the settling tank 22 along the vertical direction, and the observation window 221 is formed by embedding transparent glass in a strip-shaped opening.

As shown in fig. 3 and 4, the settling tank 22 is provided with a lifting assembly for lifting the slag collecting frame 4, and the lifting assembly includes a rotating shaft 7, a rope winding drum 71, a pulling rope 72, a hook 73 and a crank 74. The rotating shaft 7 is rotatably installed on the frame at the top of the settling tank 22 along the length direction of the slag collecting frame 4, the rope winding drum 71 is coaxially and fixedly sleeved on the rotating shaft 7, and two rope winding drums 71 are arranged at intervals along the penetrating direction of the rotating shaft 7. The rope 72 is wound around the rope reel 71, and one end of the rope reel 71 is fixedly connected to the rope reel 71 and the other end is fixedly connected to the hook 73. Two hanging rings 41 are fixed on the top wall of the vertical frame of the slag collecting frame 4 close to the vertical position of the rope winding drum 71 on one side of the rotating shaft 7, and the hook 73 can be hung on the hanging rings 41 to lift the slag collecting frame 4.

As shown in fig. 3 and 4, the crank 74 is fixedly connected to one end of the rotating shaft 7, and the settling tank 22 is provided with a limiting mechanism for limiting the rotation of the rotating shaft 7, which is an insertion rod 81 in this embodiment. The settling tank 22 is fixedly provided with a fixing block 8, the side wall of the fixing block 8 close to the insertion rod 81 is provided with a slot 82 matched with the end part of the insertion rod 81, and the insertion rod 81 penetrates through the crank 74 along the circumferential direction of the rotating shaft 7 in a sliding manner. The crank 74 is fixed by sliding the insertion rod 81 and inserting one end of the insertion rod 81 into the insertion groove 82 of the fixing block 8.

As shown in fig. 1 and 2, a sliding slot 31 is formed in the dividing plate 21 along the vertical direction, a drawing plate 3 is slid in the sliding slot 31, and a through hole for a human hand to pass through and lift the drawing plate 3 is formed in the top of the drawing plate 3. Waterproof layers 34 are fixedly adhered to two surfaces of the drawing plate 3 facing the settling tank 22 and the filtering tank 23 respectively, and the waterproof layers 34 are made of waterproof rubber. The drawing plate 3 is provided with a through hole, a conduit 32 is fixedly arranged in the through hole in a penetrating way, and two ends of the conduit 32 are respectively connected into the settling tank 22 and the filtering tank 23. The partition plate 21 is provided with a sliding hole 33 along the vertical direction for the guide pipe 32 to vertically move along with the pull plate 3, the vertical length of the sliding hole 33 is smaller than one half of the vertical length of the sliding chute 31, and the vertical length of the guide pipe 32 from the bottom end of the pull plate 3 is larger than the vertical length of the sliding hole 33.

As shown in fig. 1 and 2, in order to filter the turbid coolant liquid which is not completely settled and deposited in the filtering box 23 from the settling box 22, an external thread is arranged on the outer side wall of one end of the conduit 32 extending into the filtering box 23, the end part is in threaded connection with a filtering cover 321, a dense mesh is arranged on the filtering cover 321, and impurities and debris in the settling box 22 are effectively isolated in the conduit 32.

As shown in fig. 1 and 2, a limiting member for limiting the sliding of the drawing plate 3 is disposed on the top of the partition plate 21, and in this design, the limiting member is a pressing bolt 62. A mounting plate 6 is fixed on the top wall of the partition plate 21, a threaded hole 61 opposite to the pull plate 3 is formed in the mounting plate 6 along the thickness direction of the partition plate 21, and a compression bolt 62 is in threaded connection with the threaded hole 61. The friction plates 63 are coaxially and fixedly connected to one ends, close to the pull plate 3, of the compression bolts 62, two groups of the compression bolts 62 are symmetrically arranged on two sides of the pull plate 3 respectively, the friction plates 63 are tightly attached to the pull plate 3 by tightening the compression bolts 62, and friction force between the friction plates 63 and the pull plate 3 is increased, so that the pull plate 3 is positioned.

As shown in fig. 1, a submersible pump 5 is fixedly installed in the inner bottom wall of the filtering tank 23, the output end of the submersible pump 5 is connected with a cooling liquid pipe 51, one end of the cooling liquid pipe 51 is communicated with the submersible pump 5, and the other end is fixedly installed on the machine tool body 1 through a pipe hoop. The coolant pipe 51 fixed to the machine tool body 1 opens toward the cutting operation of the electrode wire on the machine tool body 1.

The specific working process is as follows: before the linear cutting processing, an operator firstly pulls the pull plate 3, and lifts the pull plate 3 and the guide pipe 32 on the pull plate 3 to an opening close to the filter box. The pressing bolt 62 is screwed manually, so that the friction plate 63 on the pressing bolt 62 is tightly attached to the drawing plate 3, and the drawing plate 3 is positioned through the friction force between the friction plate 63 and the drawing plate 3. Then, clean coolant is injected into the filter box 23, the submersible pump 5 is started, and coolant is sprayed onto the working section of the electrode wire on the workbench, so that the linear cutting operation can be started. In the process of wire cutting, the turbid liquid of the cooling liquid mixed with impurities and iron filings flows into the settling tank 22 from the opening 13 on the working table 11 after being guided by the guide groove 12 on the working table 11. In the accumulation process of the turbid liquid in the settling tank 22, the density of impurities and fragments is high, most of the turbid liquid is precipitated in the slag collecting frame 4, after the turbid liquid is accumulated to a high water level in the settling tank 22, the supernatant reaches the height of the conduit 32 and flows into the filter tank 23 from the conduit 32, so that the cooling liquid can be recycled, the impurities and the fragments in the turbid liquid are precipitated in the circulation process of the cooling liquid, the cooling liquid always has good conductivity, and the wire breakage frequency of the wire electrode is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A wire cut electrical discharge machining bed with coolant liquid filtering capability, includes lathe main part (1), have table surface (11) on lathe main part (1), its characterized in that: a cooling liquid box (2) is arranged on one side of the machine tool main body (1), a partition plate (21) is vertically and fixedly arranged in the cooling liquid box (2), the partition plate (21) divides the cooling liquid box (2) into a settling box (22) and a filtering box (23), a flow guide groove (12) is formed in the working table top (11), an opening (13) is formed in the inner bottom wall of the flow guide groove (12), one end, far away from the working table top (11), of the opening (13 is communicated with the settling box (22), a sliding groove (31) is formed in the top wall of the partition plate (21) along the vertical direction, a drawing plate (3) is arranged in the sliding groove (31) in a sliding mode along the vertical direction, a guide pipe (32) with two ends respectively communicated with the settling box (22) and the filtering box (23) is fixedly arranged on the drawing plate (3), and a sliding hole (33) for the guide pipe (32) to slide along the vertical direction, be provided with on division board (21) and be used for restricting gliding locating part of pull board (3), be provided with album sediment frame (4) in setting up in setting tank (22), be provided with immersible pump (5) in strain clear case (23), the output intercommunication of immersible pump (5) has coolant liquid pipe (51), the one end fixed connection that immersible pump (5) were kept away from in coolant liquid pipe (51) is on lathe main part (1) to towards wire electrode working segment.

2. The wire electric discharge machine with the coolant filtering function according to claim 1, characterized in that: the locating part is compression bolt (62), the roof of division board (21) is fixed and is provided with mounting panel (6), along division board (21) thickness direction set up screw hole (61) on mounting panel (6), compression bolt (62) threaded connection is in screw hole (61), compression bolt (62) are close to coaxial fixedly connected with friction plate (63) of one end of pull board (3).

3. The wire electric discharge machine with the coolant filtering function according to claim 1, characterized in that: waterproof layers (34) are fixedly arranged on the surfaces, close to the sliding blocks, of the drawing plates (3).

4. The wire electric discharge machine with the coolant filtering function according to claim 1, characterized in that: one end of the conduit (32) extending into the filtering box (23) is connected with a filtering cover (321) in a threaded manner, and the filtering cover (321) is provided with dense meshes.

5. The wire electric discharge machine with the coolant filtering function according to claim 1, characterized in that: and a strip-shaped observation window (221) is arranged on the outer wall of the settling tank (22) along the vertical direction.

6. The wire electric discharge machine with the coolant filtering function according to claim 1, characterized in that: the roof of collection sediment frame (4) is provided with two rings (41) along self length direction interval is fixed, the roof of setting tank (22) is provided with axis of rotation (7) along collection sediment frame (4) length direction rotation, coaxial fixed being provided with two serving as go-between (71) with rings (41) position looks adaptation on axis of rotation (7), serving as go-between (71) and being equipped with stay cord (72), the one end fixed connection of stay cord (72) is on serving as go-between (71), other end fixedly connected with is used for can dismantling couple (73) of being connected with rings (41), the fixed crank (74) that sets up of one end of axis of rotation (7), be provided with on setting tank (22) and be used for restricting axis of rotation (7) pivoted stop gear.

7. The wire electric discharge machine with the coolant filtering function according to claim 6, wherein: stop gear is inserted bar (81), inserted bar (81) are worn to establish on crank (74) along axis of rotation (7) endwise slip, the fixed block (8) that is provided with on setting tank (22), slot (82) with inserted bar (81) looks adaptation are seted up on fixed block (8) are close to the lateral wall of inserted bar (81).

8. The wire electric discharge machine with the coolant filtering function according to claim 6, wherein: the inner bottom wall of the slag collection frame (4) is provided with water filtering holes, and a filtering layer (42) which is paved on the inner bottom wall of the slag collection frame (4) is laid on the inner bottom wall of the slag collection frame (4).

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