Lifting type electric discharge machine

Abstract

The utility model discloses a lifting type electric discharge machine which comprises a machine frame, a frame fixedly connected in the machine frame, a mounting barrel fixedly connected in the frame, a piston plate slidably connected in the mounting barrel, a machining table fixedly connected to the top of the piston plate, and an air cylinder fixedly connected to the bottom of the frame. The top of a cylinder piston rod penetrates through the frame and is fixedly connected with the bottom of the piston plate, a filter screen is mounted in the frame and located outside the mounting cylinder, and a sealing ring is fixedly connected to the side, close to the mounting cylinder, of the filter screen; a sealing assembly used for sealing the joint of the piston plate and the mounting cylinder is arranged at the top of the piston plate and comprises a pressing plate mounted on the inner wall of the mounting cylinder and an inflation sealing rubber strip arranged between the piston plate and the pressing plate. Through the structure, the distance between the workpiece and the top of the mounting cylinder can be conveniently adjusted according to the specification of the workpiece, the workpiece can be conveniently machined while feeding and discharging are facilitated, medium fluid can be filtered in cooperation with the filter screen, the purity of the medium fluid can be guaranteed, follow-up reuse is facilitated, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric spark machine technical field, especially a lifting type electric spark machine. BACKGROUND

[0002] Electric spark machine is a kind of equipment using electric spark discharge principle to carry out metal processing.It is mainly used for processing complex shape metal workpieces, especially in the case where traditional mechanical processing method is difficult to realize.

[0003] In the prior art, through retrieval, it is found that Chinese patent discloses "a lifting type operable electric spark machine", its application number is "201820743765.8", the above-mentioned patent mainly includes first stand, the bottom of first stand is equipped with bed body, the top of bed body is installed with workbench, the top of first stand is equipped with second stand, one end of second stand is installed with control device, one side of control device is equipped with feed adjusting device, the bottom of the inner side of second stand is installed with motor, motor is connected with the bottom end of speed reducer gear set through gear, the top of speed reducer gear set and the bottom of bearing sleeve inner ring are connected, the inner wall of bearing sleeve inner ring and ball screw are engaged, the top of bearing sleeve is installed with first ball nut, the top of ball screw is fixedly connected with damping device through second ball nut.The utility model discloses above although the device of the second stand can be lifted makes maintenance and maintenance more convenient for maintenance personnel, and then saves working time, improves the working efficiency of electric spark machine.But when the workpiece is positioned at the bottom of the fixed-height operation pool, the workpiece specifications are not the same, for smaller workpiece, when it is positioned at the bottom of the operation pool, the workpiece cannot be conveniently disassembled, and the problem of increasing auxiliary processing time may be caused.For larger workpiece, the fixed-height operation pool may not adapt to its size, so that the operation pool cannot effectively surround the workpiece, and the processing work is affected;In addition, the medium fluid stored in the operation pool mixes metal scraps and other impurities in the processing process, with the extension of processing time, the medium fluid is easy to be turbid, so that the processing may be adversely affected.Therefore, the utility model provides a lifting type electric spark machine to solve the problems in the above background art. UTILITY MODEL CONTENTS

[0004] The utility model discloses a lifting type electric spark machine, which is convenient for adjusting the distance between the workpiece and the top of the installation cylinder according to the specification of the workpiece, facilitating the feeding and discharging of the workpiece, filtering the medium fluid with the filter screen, ensuring the purity of the medium fluid, facilitating the subsequent reuse, and having high practicality.

[0005] In order to achieve the above object, a lifting type electric spark machine is provided, comprising a frame, a frame fixedly connected inside the frame, an installation cylinder fixedly connected inside the frame, a piston plate slidingly connected inside the installation cylinder, a machining table fixedly connected to the top of the piston plate, a cylinder fixedly connected to the bottom of the frame, a piston rod top penetrating the frame and fixedly connected to the bottom of the piston plate, a filter screen installed inside the frame and outside the installation cylinder, and a sealing ring fixedly connected to the side of the filter screen close to the installation cylinder.

[0006] The top of the piston plate is provided with a sealing assembly for sealing the connection between the piston plate and the installation cylinder, the sealing assembly comprising a pressing plate installed on the inner wall of the installation cylinder and an inflatable sealing rubber strip arranged between the piston plate and the pressing plate, one side of the inflatable sealing rubber strip being provided with an inflation nozzle.

[0007] According to the lifting type electric spark machine, the top of the frame is provided with a top plate, and the filter screen is fixedly connected to the top plate through a connecting block.

[0008] According to the lifting type electric spark machine, a fixed plate is fixedly connected to the inner wall of the installation cylinder above the pressing plate, a plurality of bolts are uniformly threadedly connected inside the fixed plate, the pressing plate is slidingly connected to the inner wall of the installation cylinder, and the bottom ends of the bolts are in contact with the top of the pressing plate.

[0009] According to the lifting type electric spark machine, a discharge pipe is fixedly connected to the side close to the bottom of the frame, and a valve is arranged outside the discharge pipe.

[0010] According to the lifting type electric spark machine, the bottom end of the sealing ring and the side close to the installation cylinder are provided with an inclined surface structure.

[0011] According to the lifting type electric spark machine, the bottom of the frame is provided with an inclined surface structure inclined to the side of the discharge pipe.

[0012] According to the lifting type electric spark machine, the inflatable sealing rubber strip is made of fluororubber, and a plurality of trapezoidal grooves are uniformly formed in the top of the machining table.

[0013] The utility model has the following beneficial effects:

[0014] 1. Compared with the prior art, the lifting type electric spark machine adjusts the position of the machining table inside the installation cylinder by setting the movable piston plate, adjusts the distance between the workpiece and the top of the installation cylinder according to the specification of the workpiece, facilitates the feeding and discharging, and facilitates the machining of the workpiece.

[0015] 2、Compared with the prior art, the lifting type electric spark machine is provided with a filter screen outside the installation cylinder, the upward movement of the piston plate causes the medium fluid to overflow to the filter screen, and the metal chips and other impurities generated in the processing process can be filtered under the action of the filter screen, so that the purity of the medium fluid is ensured, and subsequent reuse is facilitated; and the filter screen is movably installed in the frame through the connecting block and the top plate, so that the filter screen can be easily disassembled and cleaned, and the practicability is high.

[0016] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application will be further described below in combination with the drawings and examples;

[0018] Figure 1 It is a first overall structure schematic view of the lifting type electric spark machine of the present application;

[0019] Figure 2 It is a second overall structure schematic view of the lifting type electric spark machine of the present application;

[0020] Figure 3 It is a frame internal structure schematic view of the lifting type electric spark machine of the present application;

[0021] Figure 4 It is a frame internal structure schematic view of the lifting type electric spark machine of the present application; Figure 3 Sectional view structure schematic view;

[0022] Figure 5 It is an enlarged structure schematic view of A in the lifting type electric spark machine of the present application; Figure 4

[0023] Figure 6 It is an enlarged structure schematic view of B in the lifting type electric spark machine of the present application; Figure 4

[0024] Figure 7 It is a frame sectional view structure schematic view of the lifting type electric spark machine of the present application;

[0025] Figure 8 It is a filter screen, connecting block and top plate structure schematic view of the lifting type electric spark machine of the present application

[0026] LEGEND:

[0027] ​​1, rack; 2, frame; 3, mounting cylinder; 4, piston plate; 5, processing table; 6, air cylinder; 7, filter screen; 8, connecting block; 9, top plate; 10, exhaust pipe; 11, inflatable sealing strip; 12, pressing plate; 13, fixed plate; 14, sealing ring; 15, inflatable nozzle; 16, bolt. DETAILED DESCRIPTION

[0028] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0029] Referring to Figures 1-8 , the utility model embodiment a lifting type electric spark machine, it includes the rack 1, the rack 1 inside fixedly connected with frame 2, frame 2 inside fixedly connected with mounting cylinder 3, mounting cylinder 3 inside slidingly connected with piston plate 4, piston plate 4 top fixedly connected with processing table 5, frame 2 bottom fixedly connected with air cylinder 6, air cylinder 6 piston rod top through frame 2 with piston plate 4 bottom fixedly connected.

[0030] Piston plate 4 moves in mounting cylinder 3, through air cylinder 6 can realize up and down movement operation, so that the distance between the processing table 5 on piston plate 4 and the top of mounting cylinder 3 can be adjusted, the distance between the workpiece and the top of mounting cylinder 3 is adjusted according to the specification of the workpiece, and the workpiece is conveniently machined while feeding and discharging.

[0031] Piston plate 4 top is equipped with sealing assembly for sealing the connecting place of piston plate 4 and mounting cylinder 3, sealing assembly includes pressing plate 12 installed on the inner wall of mounting cylinder 3 and inflatable sealing rubber strip 11 arranged between piston plate 4 and pressing plate 12, one side of inflatable sealing rubber strip 11 is equipped with inflatable nozzle 15, fixed plate 13 is fixedly connected on the inner wall of mounting cylinder 3 and above pressing plate 12, a plurality of bolts 16 are uniformly screwed in the inside of fixed plate 13, pressing plate 12 is slidingly connected with the inner wall of mounting cylinder 3, and the bottom end of bolt 16 is in contact with the top of pressing plate 12.

[0032] The connecting place of piston plate 4 and mounting cylinder 3 mainly plays a sealing role through inflatable sealing rubber strip 11, when inflating the inside of inflatable sealing rubber strip 11 through inflatable nozzle 15, it expands and tightly fits between piston plate 4 and pressing plate 12, so as to realize effective sealing. And in order to adjust the pressing force of pressing plate 12 to inflatable sealing rubber strip 11, by rotating bolt 16, the position of pressing plate 12 can be adjusted, and then the pressing force of inflatable sealing rubber strip 11 is changed, to ensure the stability of sealing effect.

[0033] A filter screen 7 is mounted inside the frame 2 and outside the mounting cylinder 3, the filter screen 7 is fixedly connected with a sealing ring 14 at the side close to the mounting cylinder 3, the bottom end of the sealing ring 14 is provided with a slope structure close to the mounting cylinder 3, the slope structure plays a guiding role, so that the sealing ring 14 and the filter screen 7 are more smoothly sleeved outside the mounting cylinder 3, and the top of the frame 2 is provided with a top plate 9, and the filter screen 7 is fixedly connected with the top plate 9 through a connecting block 8.

[0034] When it is necessary to replace or discharge the medium fluid, the upward movement of the piston plate 4 causes the medium fluid to overflow to the filter screen 7, and the metal scraps and other impurities generated in the processing process can be filtered under the action of the filter screen 7, so as to facilitate the protection of the purity of the medium fluid and the subsequent reuse.

[0035] In order to facilitate the discharge of the accumulated liquid in the mounting cylinder 3, the frame 2 is fixedly connected with a discharge pipe 10 at the side close to the bottom, and the discharge pipe 10 is provided with a valve outside, and the bottom of the frame 2 is provided with a slope structure inclined to the side of the discharge pipe 10, so that the accumulated liquid can flow out smoothly.

[0036] The inflatable sealing rubber strip 11 is made of fluorine rubber material, has excellent wear resistance, high temperature resistance and sealing performance, so as to ensure good sealing effect. The top of the processing table 5 is uniformly provided with a plurality of trapezoidal grooves, which is helpful for the positioning and clamping of the workpiece.

[0037] Working principle:

[0038] According to the specification of the workpiece, the cylinder 6 is controlled to run, and the up-down movement operation can be realized through the cylinder 6, so that the distance between the processing table 5 on the piston plate 4 and the top of the mounting cylinder 3 can be adjusted, the distance between the workpiece and the top of the mounting cylinder 3 can be adjusted according to the specification of the workpiece, and the workpiece can be conveniently processed while the feeding and discharging are facilitated.

[0039] When the piston plate 4 moves upward, the medium fluid overflows to the filter screen 7, and the metal scraps and other impurities generated in the processing process can be filtered under the action of the filter screen 7, so as to facilitate the protection of the purity of the medium fluid and the subsequent reuse. And the filter screen 7 is movably mounted inside the frame 2 through the connecting block 8 and the top plate 9, which facilitates the dismounting work of the filter screen 7, so as to facilitate the cleaning of the filter screen 7, and the use is convenient and practical.

[0040] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. An electric discharge machine of the lifting type, characterized in that, The utility model relates to a kind of processing machine, including rack (1), the frame (2) is fixedly connected inside the rack (1), the installation cylinder (3) is fixedly connected inside the frame (2), the piston plate (4) is slidably connected inside the installation cylinder (3), the processing platform (5) is fixedly connected to the top of the piston plate (4), the cylinder (6) is fixedly connected to the bottom of the frame (2), the piston rod top of the cylinder (6) is fixedly connected with the piston plate (4) on the bottom of the frame (2) and is penetrated, the filter screen (7) is installed in the inside of the frame (2) and located the outside of installation cylinder (3), the sealing ring (14) is fixedly connected to the side of filter screen (7) close to installation cylinder (3). The piston plate (4) top is equipped with sealing assembly for sealing the connecting place of piston plate (4) and installation cylinder (3), and the sealing assembly includes pressing plate (12) mounted on the inner wall of installation cylinder (3) and inflatable sealing rubber strip (11) arranged between piston plate (4) and pressing plate (12), and one side of the inflatable sealing rubber strip (11) is provided with inflation nozzle (15).

2. The electric discharge machine according to claim 1, wherein The frame (2) top is equipped with top plate (9), and the filter screen (7) is fixedly connected with the top plate (9) by connecting block (8).

3. The elevator spark machine according to claim 2, wherein The fixed plate (13) is fixedly connected on the inner wall of installation cylinder (3) and above pressing plate (12), a plurality of bolts (16) are uniformly screwed in the inside of the fixed plate (13), the pressing plate (12) is slidably connected with the inner wall of installation cylinder (3), and the bottom end of the bolt (16) is in contact with the top of the pressing plate (12).

4. The electric discharge machine according to claim 3, wherein The frame (2) is fixedly connected with discharge pipe (10) on the side close to bottom, and valve is arranged outside the discharge pipe (10).

5. The elevator spark machine according to claim 4, wherein The bottom end of the sealing ring (14) and the side close to installation cylinder (3) are provided with inclined surface structure.

6. The vertical EDM machine according to claim 5, wherein The bottom of the frame (2) is provided as inclined surface structure to the side of discharge pipe (10).

7. The vertical EDM machine according to claim 1, wherein The inflatable sealing rubber strip (11) is made of fluorine rubber, and a plurality of trapezoidal grooves are uniformly formed in the top of the processing platform (5).

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