Cooling device of numerical control electric discharge machine

Abstract

The utility model discloses a numerical control electric discharge machine cooling device in the technical field of electric discharge machines, which comprises a machine frame, a cooling device, a cooling device, a cooling device and an electric discharge machine, and is characterized in that the machine frame is provided with a processing machine head and a blocking frame, and a bearing seat is arranged in the blocking frame; the cooling mechanism comprises an annular pipe shell arranged in the blocking frame, an annular opening is formed in the inner circumferential side of the annular pipe shell, an annular sealing plate is rotationally arranged in the annular opening, a plurality of spraying pipes communicate with the inner circumferential side of the annular sealing plate in an array mode, and a plurality of supporting plates are arranged on the side, located on the annular pipe shell, of the annular sealing plate in an array mode; a water tank is arranged on the machine frame, a water drainage pipe is communicated between the blocking frame and the water tank, a water inlet pipe is communicated between the water tank and the annular pipe shell, and the water inlet pipe is communicated with a water pump arranged on the machine frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric spark machine technical field, concretely is numerical control electric spark machine cooling device. BACKGROUND

[0002] With the development of industrial production and the progress of science, new materials with high melting point, high hardness, high brittleness, high viscosity, high toughness and high purity are emerging, at the same time, the structure shape of parts is more and more complex, which makes it difficult to process or even impossible to process by using traditional mechanical processing method, especially the precision higher musical instrument parts, the corrosion phenomenon generated by spark discharge is used to process metal materials, therefore, electric spark machine meets this requirement and is widely used;

[0003] The numerical control electric spark machine needs to use the cooling device to cool the workpiece during processing, and the utility model discloses a kind of electric spark machine high-efficiency cooling device, it is cooperated between processing probe and cooling assembly, water in water tray is discharged to four corners horizontal pipe, then the water in horizontal pipe is discharged through elbow pipe, and is cooled to the processing position of processing probe and external workpiece by four angle spraying, improves cooling efficiency, solves the problem that the existing electric spark machine is processed, since it is only single-angle water cooling, it is not comprehensive, and the efficiency is low, although compared with the conventional single-angle water cooling, although it improves cooling efficiency, but its overall is only from four angles Water spraying, still exist dead angle of spraying, at the same time, water tray is set on processing probe, workpiece has big and small, its four horizontal pipes and elbow pipes can cause certain influence to the placement of workpiece, and it is also difficult to guarantee the accuracy of spraying to processing position, therefore, the present application proposes a kind of numerical control electric spark machine cooling device. UTILITARIAN CONTENT

[0004] The utility model aims at: for solving the problem that the existing cooling device is limited in spraying range, and there is dead angle of spraying, the spraying cooling effect to workpiece processing position is poor, the utility model provides numerical control electric spark machine cooling device.

[0005] The utility model discloses in order to realize above-mentioned purpose specifically adopts following technical scheme:

[0006] A numerical control electric spark machine cooling device, comprising:

[0007] Frame, processing machine head and baffle frame are arranged on it, bearing seat is arranged in the baffle frame;

[0008] Cooling mechanism, including the annular pipe shell that is arranged in the frame, the inner peripheral side of the annnal pipe shell has annular opening and rotates and is provided with annular sealing plate in annular opening, the inner peripheral side of the annular sealing plate is arrayed with several spray pipes, the annular sealing plate is located on one side of annnal pipe shell and is arrayed with several support plates, the frame is provided with water tank, the frame is communicated with water tank and is communicated with drain pipe, the water tank is communicated with annnal pipe shell and is communicated with water inlet pipe, the water inlet pipe is communicated with the water pump that is arranged on the frame.

[0009] Further, the support plate is inclined, the annular pipe shell is inclined and communicated with the branch pipe, and the end of the water inlet pipe away from the water tank is communicated with the branch pipe.

[0010] Further, the annular sealing plate and the annular pipe shell are provided with a rotating sealing ring.

[0011] Further, the inner wall of the frame is provided with a plurality of vertical rods, the annular pipe shell is provided with a plurality of ear plates, and the plurality of ear plates are respectively slidably sleeved on the plurality of vertical rods, the frame is provided with an electric push rod, and the piston end of the electric push rod is connected with the annular pipe shell through a connecting rod.

[0012] Further, the frame is provided with a through slot, the branch pipe is movably penetrated through the through slot, and the branch pipe and the inner wall of the through slot are connected by an elastic sealing layer.

[0013] Further, the spray pipe comprises a first pipe body communicated with the annular sealing plate, and a second pipe body is closely inserted into the first pipe body.

[0014] Further, the water tank is provided with a filter plate, and the filter plate is located between the water inlet pipe and the drain pipe.

[0015] Further, a through slot is formed in one side of the water tank, the filter plate is configured as a drawer and movably penetrates through the through slot.

[0016] Compared with the prior art, the utility model has the advantages that in the utility model, the annular pipe shell is arranged in the frame, the annular sealing plate is rotatably arranged in the annular pipe shell, the spray pipe is communicated with the annular sealing plate, the cooling liquid is conveyed into the annular pipe shell under the action of the water pump, the cooling liquid impacts the support plate to drive the annular sealing plate to rotate, so that the spray pipe rotates with the annular sealing plate when spraying water, presents horizontal 360-degree spraying, improves the spraying range, reduces the dead angle of spraying, effectively sprays and cools the machining position of the workpiece, and improves the cooling efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional structure view of the utility model;

[0018] Figure 2 It is the three-dimensional structure sectional view of the utility model;

[0019] Figure 3 Part of the utility model three-dimensional structure exploded view;

[0020] Figure 4 The utility model water tank three-dimensional structure view;

[0021] Figure 5 The utility model Figure 2 The enlarged view of A in the middle.

[0022] In the drawing: 1, rack; 2, blocking frame; 3, bearing seat; 4, cooling mechanism; 5, branch pipe; 6, rotary sealing ring; 7, vertical rod; 8, electric push rod; 9, connecting rod; 10, through slot; 11, elastic sealing layer; 12, filter plate; 13, through slot; 14, processing machine head; 401, annular pipe shell; 402, annular sealing plate; 403, spray pipe; 404, water pump; 405, support plate; 406, water tank; 407, drain pipe; 408, water inlet pipe; 4031, first pipe body; 4032, second pipe body. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in conjunction with the drawings in the utility model embodiment.

[0024] The cooling device of the numerical control electric spark machine provided in the embodiment is mainly used for solving the problems that the existing cooling device has limited spraying range, has spraying dead angle and has poor spraying and cooling effect on the machining position of the workpiece, and provides the following technical scheme, which will be described below in detail in conjunction with the drawings. Figures 1-5

[0025] The cooling device of the numerical control electric spark machine comprises:

[0026] Rack 1, which is provided with processing machine head 14 and blocking frame 2, is provided with bearing seat 3 in blocking frame 2, the top of blocking frame 2 is open, bearing seat 3 is arranged on the inner top wall of blocking frame 2, processing machine head 14 comprises mounting frame arranged on rack 1, hydraulic cylinder is arranged on the mounting frame, and the end portion of the hydraulic cylinder is provided with a processing head; the workpiece is placed on bearing seat 3, high temperature is generated through pulse discharge between the tool electrode and the workpiece electrode, so that the material on the surface of the workpiece is etched and removed, and thus the workpiece is machined;

[0027] ​The cooling mechanism 4 comprises an annular pipe shell 401 arranged in the blocking frame 2, the inner circumferential side of the annular pipe shell 401 is provided with an annular opening, and the annular opening is rotatably provided with an annular sealing plate 402, the inner circumferential side of the annular sealing plate 402 is arrayed with a plurality of spray pipes 403, the annular sealing plate 402 is arrayed with a plurality of supporting plates 405 on one side of the annular pipe shell 401, the supporting plates 405 are not in contact with the inner wall of the annular pipe shell 401, the water tank 406 is arranged on the rack 1, the water tank 406 is used for placing the cooling liquid, the water tank 406 and the annular pipe shell 401 are communicated through the water inlet pipe 408, the water pump 404 is arranged on the rack 1 and communicated with the water inlet pipe 408, when the workpiece is machined, the workpiece is placed on the bearing seat 3, the workpiece is located in the center of the annular pipe shell 401, the water pump 404 works, and the cooling liquid in the water tank 406 is conveyed into the annular pipe shell 401 through the water inlet pipe 408, under the action of water pressure, the cooling liquid flows along the annular pipe shell 401 and impacts the supporting plate 405, so as to drive the annular sealing plate 402 to rotate, at the same time, under the action of water pressure, the water in the annular pipe shell 401 is sprayed out through the plurality of spray pipes 403, preferably, in order to make the scheme more reasonable, the water output of the plurality of spray pipes 403 is less than the water input of the water inlet pipe 408, therefore, under the action of water pressure, when the plurality of spray pipes 403 sprays water, the annular sealing plate 402 also rotates under the action of water pressure, so that the plurality of spray pipes 403 rotates with the annular sealing plate 402 when spraying water, so as to present horizontal three hundred and sixty degree spraying, improve the spraying range, reduce the spraying dead angle, so as to effectively spray and cool the machining position of the workpiece, improve the cooling efficiency, and the cooling liquid in the blocking frame 2 is returned to the water tank 406 through the drain pipe 407, so as to form a circulating spraying;

[0028] In the scheme, the annular pipe shell 401 is arranged in the blocking frame 2, the annular sealing plate 402 is rotatably arranged in the annular pipe shell 401, the spray pipe 403 is communicated with the annular sealing plate 402, the cooling liquid is conveyed into the annular pipe shell 401 under the action of the water pump 404, the cooling liquid impacts the supporting plate 405 to drive the annular sealing plate 402 to rotate, so that the spray pipe 403 rotates with the annular sealing plate 402 when spraying water, so as to present horizontal three hundred and sixty degree spraying, improve the spraying range, reduce the spraying dead angle, so as to effectively spray and cool the machining position of the workpiece, improve the cooling efficiency.

[0029] As Figure 3As shown in the embodiment, the support plate 405 is arranged obliquely, and the annular pipe shell 401 is obliquely communicated with the branch pipe 5. The end of the water inlet pipe 408 away from the water tank 406 is communicated with the branch pipe 5. By obliquely communicating the branch pipe 5 on the annular pipe shell 401, when water is filled, the cooling liquid is obliquely communicated to the annular pipe shell 401. The obliquely communicated cooling liquid better impacts the support plate 405 when flowing, so as to ensure the stable rotation of the annular sealing plate 402 and ensure the effective and stable spray cooling of the workpiece, thereby improving the practicability.

[0030] As shown in the embodiment, the annular sealing plate 402 and the annular pipe shell 401 are provided with a rotary sealing ring 6. The rotary sealing ring 6 is also called a rotary shaft lip sealing ring. It can ensure the sealing of the annular sealing plate 402 and the annular pipe shell 401, ensure that the water flow can be sprayed from the spray pipe 403 under the action of water pressure, and also ensure that the annular sealing plate 402 can stably and smoothly rotate. Figure 3 Figure 5 As shown in the embodiment, the inner wall of the blocking frame 2 is provided with a plurality of vertical rods 7. The annular pipe shell 401 is provided with a plurality of ear plates, and the plurality of ear plates are respectively slidably sleeved on the plurality of vertical rods 7. The rack 1 is provided with an electric push rod 8. The piston end of the electric push rod 8 is connected with the annular pipe shell 401 through a connecting rod 9. Different workpieces have different heights, and the machining positions also have different heights. By slidably arranging the annular pipe shell 401 on the vertical rods 7 and making the electric push rod 8 work, the annular pipe shell 401 is lifted and lowered through the connecting rod 9, so that the cooling liquid sprayed from the spray pipe 403 can effectively spray and cool the machining position of the workpiece, thereby improving the practicability.

[0031] As shown in the embodiment, the blocking frame 2 is provided with a plurality of vertical rods 7. The annular pipe shell 401 is provided with a plurality of ear plates, and the plurality of ear plates are respectively slidably sleeved on the plurality of vertical rods 7. The rack 1 is provided with an electric push rod 8. The piston end of the electric push rod 8 is connected with the annular pipe shell 401 through a connecting rod 9. Different workpieces have different heights, and the machining positions also have different heights. By slidably arranging the annular pipe shell 401 on the vertical rods 7 and making the electric push rod 8 work, the annular pipe shell 401 is lifted and lowered through the connecting rod 9, so that the cooling liquid sprayed from the spray pipe 403 can effectively spray and cool the machining position of the workpiece, thereby improving the practicability. Figure 1 As shown in the embodiment, the blocking frame 2 is provided with a plurality of vertical rods 7. The annular pipe shell 401 is provided with a plurality of ear plates, and the plurality of ear plates are respectively slidably sleeved on the plurality of vertical rods 7. The rack 1 is provided with an electric push rod 8. The piston end of the electric push rod 8 is connected with the annular pipe shell 401 through a connecting rod 9. Different workpieces have different heights, and the machining positions also have different heights. By slidably arranging the annular pipe shell 401 on the vertical rods 7 and making the electric push rod 8 work, the annular pipe shell 401 is lifted and lowered through the connecting rod 9, so that the cooling liquid sprayed from the spray pipe 403 can effectively spray and cool the machining position of the workpiece, thereby improving the practicability.

[0032] Figure 5 As shown in the embodiment, the blocking frame 2 is provided with a plurality of vertical rods 7. The annular pipe shell 401 is provided with a plurality of ear plates, and the plurality of ear plates are respectively slidably sleeved on the plurality of vertical rods 7. The rack 1 is provided with an electric push rod 8. The piston end of the electric push rod 8 is connected with the annular pipe shell 401 through a connecting rod 9. Different workpieces have different heights, and the machining positions also have different heights. By slidably arranging the annular pipe shell 401 on the vertical rods 7 and making the electric push rod 8 work, the annular pipe shell 401 is lifted and lowered through the connecting rod 9, so that the cooling liquid sprayed from the spray pipe 403 can effectively spray and cool the machining position of the workpiece, thereby improving the practicability.

[0033] As shown in the embodiment, the blocking frame 2 is provided with a plurality of vertical rods 7. The annular pipe shell 401 is provided with a plurality of ear plates, and the plurality of ear plates are respectively slidably sleeved on the plurality of vertical rods 7. The rack 1 is provided with an electric push rod 8. The piston end of the electric push rod 8 is connected with the annular pipe shell 401 through a connecting rod 9. Different workpieces have different heights, and the machining positions also have different heights. By slidably arranging the annular pipe shell 401 on the vertical rods 7 and making the electric push rod 8 work, the annular pipe shell 401 is lifted and lowered through the connecting rod 9, so that the cooling liquid sprayed from the spray pipe 403 can effectively spray and cool the machining position of the workpiece, thereby improving the practicability. Figure 3 ​​As shown, in the embodiment, the spray pipe 403 comprises a first pipe body 4031 communicated with the annular sealing plate 402, and a second pipe body 4032 is closely inserted in the first pipe body 4031, different workpiece volumes are different, the spray pipe 403 is divided into the first pipe body 4031 and the second pipe body 4032, and the two are closely inserted, when different workpieces are processed, the second pipe body 4032 can be correspondingly slid and adjusted, so that the cooling liquid is guided to the first pipe body 4031 and the second pipe body 4032 as close to the workpiece as possible, and the spray cooling efficiency of the workpiece is ensured.

[0034] As shown, Figure 2 In the embodiment, the filter plate 12 is arranged in the water tank 406, and the filter plate 12 is located between the water inlet pipe 408 and the drain pipe 407, during processing of the workpiece, the debris generated during processing is mixed in the cooling liquid, the filter plate 12 arranged in the water tank 406 is used for filtering and intercepting the debris in the backflow cooling liquid, so that the debris is prevented from entering the water pump 404, and the water pump 404 is protected.

[0035] As shown, Figure 4 In the embodiment, a through slot 13 is formed in one side of the water tank 406, the filter plate 12 is configured in a drawer shape and is movably penetrated through the through slot 13, the filter plate 12 is configured in a drawer shape and is inserted and matched with the water tank 406, so that when the intercepted debris is cleaned, the filter plate 12 is pulled out, and the cleaning of the debris is more convenient and fast.

[0036] The working process of the utility model is as follows: when the workpiece is processed, the workpiece is placed on the bearing seat 3 and located at the center of the annular pipe shell 401, the water pump 404 works, the cooling liquid in the water tank 406 is transported into the annular pipe shell 401 through the water inlet pipe 408, in the continuous transportation, water pressure is generated, under the action of the water pressure, the cooling liquid flows along the annular circulation in the annular pipe shell 401 and impacts the supporting plate 405, so as to drive the annular sealing plate 402 to rotate, at the same time, the water in the annular pipe shell 401 is sprayed out through the plurality of spray pipes 403, so as to spray and cool the processing position of the workpiece, when the plurality of spray pipes 403 spray water, the annular sealing plate 402 also rotates under the action of the water pressure, so that the plurality of spray pipes 403 rotate with the annular sealing plate 402 when spraying water, so that horizontal 360-degree rotary spraying is realized, the spraying range is improved, the dead angle of spraying is reduced, the processing position of the workpiece is effectively sprayed and cooled, the cooling efficiency is improved, and with continuous spraying, the cooling liquid in the baffle 2 is backflowed to the water tank 406 through the drain pipe 407, so as to form a circulating spray.

[0037] The above merely is the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the present utility model is equivalent to replace or change within the technical range disclosed by the present utility model, and should be covered in the protection scope of the present utility model.

Claims

1. A cooling device for a CNC electrical discharge machine, characterized in that, include: A frame (1) is provided with a processing head (14) and a baffle (2), and a support seat (3) is provided inside the baffle (2). The cooling mechanism (4) includes an annular shell (401) disposed in the baffle (2). The annular shell (401) has an annular opening on its inner circumference and an annular sealing plate (402) is rotatably disposed in the annular opening. The annular sealing plate (402) has several nozzles (403) arranged in an array on its inner circumference. The annular sealing plate (402) has several support plates (405) arranged in an array on one side of the annular shell (401). A water tank (406) is disposed on the frame (1). A drain pipe (407) is connected between the baffle (2) and the water tank (406). A water inlet pipe (408) is connected between the water tank (406) and the annular shell (401). A water pump (404) is connected to the water inlet pipe (408) and disposed on the frame (1).

2. The cooling device for a CNC EDM machine according to claim 1, characterized in that: The support plate (405) is inclined, and the annular shell (401) is inclinedly connected to the branch pipe (5). The end of the water inlet pipe (408) away from the water tank (406) is connected to the branch pipe (5).

3. The cooling device for a CNC EDM machine according to claim 1, characterized in that: A rotating sealing ring (6) is provided between the annular sealing plate (402) and the annular shell (401).

4. The cooling device for a CNC EDM machine according to claim 1, characterized in that: The inner wall of the baffle (2) is provided with several vertical rods (7), the annular shell (401) is provided with several ear plates and the ear plates are slidably sleeved on the several vertical rods (7), the frame (1) is provided with an electric push rod (8), and the piston end of the electric push rod (8) is connected to the annular shell (401) by a connecting rod (9).

5. The cooling device for a CNC EDM machine according to claim 2, characterized in that: The baffle (2) has a through groove (10) through it, the branch pipe (5) moves through the through groove (10) and there is an elastic sealing layer (11) between the branch pipe (5) and the inner wall of the through groove (10).

6. The cooling device for a CNC EDM machine according to claim 1, characterized in that: The nozzle (403) includes a first tube (4031) communicating with an annular sealing plate (402), and a second tube (4032) is tightly inserted inside the first tube (4031).

7. The cooling device for a CNC EDM machine according to claim 1, characterized in that: The water tank (406) is equipped with a filter plate (12), which is located between the water inlet pipe (408) and the drain pipe (407).

8. The cooling device for a CNC EDM machine according to claim 7, characterized in that: The water tank (406) has a through groove (13) on one side, and the filter plate (12) is constructed in the shape of a drawer and can be moved through the through groove (13).

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