Intelligent compensation cutter for discharge gap

Abstract

The utility model discloses an intelligent compensation cutter for a discharge gap, which relates to the technical field of milling cutter manufacture and comprises a cutter main body and a compensation component, the cutter main body comprises a chassis arranged at the bottom of the cutter main body, an upper cover arranged on the upper surface of the cutter main body and a fixed bin arranged in the cutter main body, and the fixed bin is used for loading the compensation component. The compensation assembly comprises a discharging assembly arranged on the side wall of the chassis, a push rod connected with the discharging assembly and a piezoelectric ceramic actuator, and the piezoelectric ceramic actuator is used for abutting against the push rod and pushing out the discharging assembly to complete displacement compensation. When the discharge gap needs to be compensated, the piezoelectric ceramic actuator pushes the push rod, the push rod pushes out the discharge assembly, displacement output is completed, the high-precision control performance of the piezoelectric ceramic actuator ensures accurate control over push-out of the push rod, accurate gap compensation is achieved, and when maintenance is needed, only the chassis needs to be disassembled, and the discharge gap can be conveniently maintained. Therefore, the compensation assembly can be taken out of the fixing bin and maintained, and maintenance and installation are very convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to milling tool manufacturing technical field especially relates to a discharge gap intelligent compensation tool. BACKGROUND

[0002] In the EDM milling machining, the foam copper on the machining tool as the discharge electrode bears an important role, and generates the electric spark with the workpiece, with the continuous machining, the foam copper wears seriously, makes the discharge gap become larger and larger, the machining effect is poor, and needs to replace the foam copper constantly, makes the foam copper not fully used, causes the waste.

[0003] The prior art patent number for: CN220144936U discloses an intelligent electrode compensation electric spark auxiliary milling tool, the tool adopts the foam copper fixed frame that can slide and is connected on the chassis, the foam copper fixed frame is fixed with the foam copper, the inside of foam copper fixed frame is set as the long axis arc of ellipse, the piezoelectric ceramic electrification generates the deformation and drives the lever and then carries the push rod to rotate, the push rod that rotates abuts the inside of foam copper fixed frame, through the swing of push rod abuts the longest radius of ellipse and then makes the foam copper push out, carries out the gap compensation, and effectively solves the problem that the discharge gap becomes larger and larger, the machining effect is poor, but through adopting this traditional piezoelectric ceramic electrification generates the deformation and drives, its precision is lower, can not satisfy the machining demand of high precision, and through the piezoelectric ceramic electrification generates the deformation and drives the lever and then carries the push rod to rotate, and then utilizes the characteristics of the foam copper frame with ellipse, the swing of push rod is converted into the horizontal movement of foam copper frame, and this structure is relatively complex, and it is very inconvenient when installing and maintaining the tool. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses to overcome the compensation precision and sensitivity when the discharge gap carries out compensation, the difference, can not adapt to the milling of high precision, and the structure that the structure that the structure is relatively complex is adopted, and it is very inconvenient when installing and maintaining the tool, provides a discharge gap intelligent compensation tool.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a discharge gap intelligent compensation tool, including tool main part, compensation component and discharge component, the tool main part includes the base body, the bottom disc of being located at the base body bottom and the fixed bin of being located at the tool main part inside, the fixed bin is used to load the compensation component, the compensation component includes with the push rod of discharge component connection and with the piezoelectric ceramic actuator of push rod one end abut, the piezoelectric ceramic actuator is used to push the push rod to discharge component push out.

[0006] The discharge gap intelligent compensation tool as described above, the fixed bin includes the vertical bin of loading the piezoelectric ceramic actuator and the guide bin of transferring the push rod, the vertical bin axial direction is perpendicular with the axial direction of guide bin.

[0007] The discharge gap intelligent compensation cutter as described above, one end of the push rod away from the discharge assembly is provided with a semicircular ball abutting block, one end of the piezoelectric ceramic actuator is provided with a semicircular ball abutting column which can move along the axial direction, and the semicircular ball abutting block abuts against the semicircular ball abutting column.

[0008] The discharge gap intelligent compensation cutter as described above, the push rod is threaded with a reset spring, one end of the reset spring abuts against the side wall of the guide bin, and the other end abuts against the semicircular ball abutting block, and the reset spring is used to reset the discharge assembly after the compensation assembly completes the position compensation.

[0009] The discharge gap intelligent compensation cutter as described above, the discharge assembly comprises a foam copper support and a foam copper fixed on the foam copper support, and the foam copper support is connected to one end of the push rod.

[0010] The discharge gap intelligent compensation cutter as described above comprises an upper cover arranged away from the base plate, the base plate is provided with a rotating shaft, the rotating shaft penetrates the base plate and the upper cover, and the upper cover and the base plate 11 are cooperatively used to close the fixed bin, so that the compensation assembly is fixed in the fixed bin.

[0011] The discharge gap intelligent compensation cutter as described above, the cutter main body comprises a cutter mounting table arranged on the side of the base plate and a cutter body, and the cutter body is mounted on the cutter mounting table.

[0012] The discharge gap intelligent compensation cutter as described above, the cutter mounting table is provided with two, the two cutter mounting tables are symmetrically arranged on the side of the base plate, and the fixed bin is provided with two, the two fixed bins are symmetrically arranged on the cutter main body.

[0013] The discharge gap intelligent compensation cutter as described above comprises a slip ring, the slip ring comprises a rotor sleeved and fixed on the rotating shaft and a stator sleeved on the rotor, and the rotor rotates circumferentially relative to the stator.

[0014] The discharge gap intelligent compensation cutter as described above, the piezoelectric ceramic actuator is electrically connected with the rotor through a first lead wire, and the discharge assembly is electrically connected with the rotor through a second lead wire.

[0015] Compared with the prior art, the beneficial effects of the technical scheme are that: since the piezoelectric ceramic actuator is a high-precision actuator, when the discharge gap needs to be compensated, the piezoelectric ceramic actuator is driven, the piezoelectric ceramic actuator pushes the push rod to complete displacement output, the push rod drives the discharge assembly to displace, and the high-precision control performance of the piezoelectric ceramic actuator ensures accurate control of the push rod, so that accurate gap compensation is realized; when maintenance is needed, since the compensation assembly is only composed of the push rod and the piezoelectric ceramic actuator assembly, the structure is relatively simple, the compensation assembly can be taken out from the fixing bin by only disassembling the base plate, and maintenance is convenient.

[0016] Additional aspects and advantages of the present application will be described in the following description, some of which will become apparent to those skilled in the art from the following description.

BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0018] Figure 1 is a schematic diagram of the explosion structure of the present application;

[0019] Figure 2 is Figure 1 is a schematic diagram of the enlarged structure of A part in

[0020] Figure 3 is a schematic diagram of the structure of the present application;

[0021] Figure 4 is a sectional view of the present application.

DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0023] As Figures 1 to 4The utility model provides an intelligent compensation tool of discharge gap, including tool body 1, compensation component 2 and discharge component 4, the tool body 1 includes base body 15, the bottom tray 11 of being located the bottom of base body 15 and the fixed bin 13 being located the inside of tool body 1, the fixed bin 13 is used to load compensation component 2, compensation component 2 includes the push rod 22 being connected with discharge component 4 and the piezoelectric ceramic actuator 21 abutting with one end of push rod 22, piezoelectric ceramic actuator 21 is used to push push rod 22 to push out discharge component 4. After adopting the structure of the utility model, since the piezoelectric ceramic actuator is a kind of high-precision actuator, when needing to compensate discharge gap, piezoelectric ceramic actuator is driven, piezoelectric ceramic actuator pushes push rod, completes displacement output, push rod drives foam component to carry out displacement compensation, and the high-precision control performance of piezoelectric ceramic actuator ensures the accurate control of push rod push, realizes accurate gap compensation, when needing to repair, since compensation component only is made of push rod and piezoelectric ceramic actuator component, its structure is relatively simple, just compensation component can be taken out from fixed bin by the bottom tray is disassembled, is repaired, and repair and installation are very convenient.

[0024] As a specific embodiment, not limited, for the compensation component 2 is set to tool body 1 more conveniently, the fixed bin 13 includes the vertical bin 131 of loading piezoelectric ceramic actuator 21 and the guide bin 132 of transferring push rod 22, the axial direction of vertical bin 131 is perpendicular to the axial direction of guide bin 132. When piezoelectric ceramic actuator carries out axial displacement compensation, push rod is pushed to carry out horizontal displacement, and displacement output direction changes are completed, and push rod drives foam copper fixed frame and foam copper to carry out displacement compensation. Installation is more convenient.

[0025] Further, the push rod 22 is provided with a semicircular ball abutting block 221 at one end away from the discharge assembly 4, and the piezoelectric ceramic actuator 21 is provided with a semicircular ball abutting column 211 that can move axially, and the semicircular ball abutting block 221 abuts against the semicircular ball abutting column 211. The push rod 22 is penetrated by a reset spring 24, one end of which abuts against the side wall of the guide bin 132, and the other end abuts against the semicircular ball abutting block 221, and the reset spring 24 is used to reset the discharge assembly 4 after the compensation assembly 2 completes position compensation. The discharge assembly 23 includes a foam copper support 231 and a foam copper 232 fixed on the foam copper support 231, and the foam copper support 231 is connected to one end of the push rod 22. The piezoelectric ceramic actuator 21 is a power output, and when it receives a displacement compensation signal instruction, it extends outward, and the contact between the piezoelectric ceramic actuator 21 and the push rod 22 is semispherical, converting the axial force into radial force and transmitting it to the push rod 22, which drives the discharge assembly 23 to perform displacement compensation. When there is no displacement compensation or the displacement compensation is excessive, the reset spring 24 in the middle of the push rod 22, with one end against the push rod 22, always has a radial force toward the axis. This improves processing efficiency and continuity and avoids the problem of reduced processing quality caused by excessive gap. In addition, the discharge electrode material in the discharge assembly 23 is not limited to foam copper, but can also be graphite, brass, steel, cast iron, tungsten alloy, etc. The push rod can not only push out but also pull back, and the reset spring 24 in the middle of the push rod 22 has the effect of pulling the push rod 22 back, which can maintain a proper discharge gap to ensure stable processing effect.

[0026] As a specific embodiment rather than a limitation, in order to perform better cutting work, the tool body 1 includes tool mounting tables 111 and tool bodies 112, two tool mounting tables 111 are symmetrically arranged on the side of the chassis 11, and the tool bodies 112 are mounted on the tool mounting tables 111. First, two symmetrically arranged tool bodies 112 can realize multiple cutting at a lower speed, thereby improving processing efficiency and production speed. Second, by balancing the cutting force and heat distribution, the two tool bodies 112 can improve cutting balance, reduce vibration, and improve cutting quality. In addition, the two tool bodies 112 support and stabilize each other, increase cutting stability, and ensure a more stable cutting process. Finally, the simultaneous work of the two tool bodies 112 makes the cutting range larger, which can realize more extensive cutting demand and improve the flexibility of processing. In summary, the two tool bodies 112 that are symmetrically centered bring multiple benefits to processing, improving processing quality and production efficiency. Correspondingly, the fixed bin 13, the compensation assembly 2 and the discharge assembly 3 are symmetrically provided with two.

[0027] Further, in order to facilitate the dismounting of the piezoelectric ceramic actuator 21, the base 11 is provided with a rotating shaft 12 penetrating the base body 15 and the upper cover 14, and the upper cover 14 cooperates with the base to close the fixing chamber 13, so that the piezoelectric ceramic actuator 21 is fixed in the fixing chamber 13. When the piezoelectric ceramic actuator 21 needs to be dismounted, the upper cover 14 is removed from the base body 15, and then the piezoelectric ceramic actuator 21 is taken out from the fixing chamber, so that the piezoelectric ceramic actuator 21 is dismounted.

[0028] As a specific embodiment, in order to prevent the problem of wire winding when the tool body 1 rotates, a slip ring 3 is included, the slip ring 3 includes a rotor 31 sleeved and fixed on the rotating shaft 12 and a stator 32 sleeved on the rotor 31, and the rotor 31 rotates circumferentially relative to the stator 32. The piezoelectric ceramic actuator 21 is electrically connected to the rotor 31 through a first wire 212, and the discharge assembly 23 is electrically connected to the rotor 31 through a second wire 233. The stator 32 is provided with a fixing plate 321 for fixing the stator on a machine table. The first wire 212 and the second wire are both connected to the rotor, and since the rotor 31 rotates together with the tool body 1, one end of the first wire 212 is connected to the piezoelectric ceramic actuator 21, and one end of the second wire 233 is connected to the discharge assembly 23, and the piezoelectric ceramic actuator 21 and the discharge assembly 23 are both arranged on the tool body 1, so that the wires will not be wound when rotating.

[0029] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. An electric discharge gap smart compensation cutter characterized by, The tool body (1) comprises a base body (15), a bottom plate (11) arranged at the bottom of the base body (15), and a fixed bin (13) arranged in the tool body (1), the fixed bin (13) is used for loading the compensation assembly (2), the compensation assembly (2) comprises a push rod (22) connected with the discharge assembly (4) and a piezoelectric ceramic actuator (21) abutting one end of the push rod (22), and the piezoelectric ceramic actuator (21) is used for pushing the push rod (22) to push the discharge assembly (4) out.

2. The intelligent compensation tool with discharge gap according to claim 1, characterized in that, The fixed bin (13) comprises a vertical bin (131) loading the piezoelectric ceramic actuator (21) and a guide bin (132) transferring the push rod (22), and the axial direction of the vertical bin (131) is perpendicular to the axial direction of the guide bin (132).

3. The intelligent compensation tool of claim 2, wherein, One end of the push rod (22) away from the discharge assembly (4) is provided with a semicircle ball abutting block (221), one end of the piezoelectric ceramic actuator (21) is provided with a semicircle ball abutting column (211) which can move along the axial direction, and the semicircle ball abutting block (221) abuts against the semicircle ball abutting column (211).

4. The intelligent compensation tool of claim 3, wherein, The push rod (22) is penetrated by a reset spring (24), one end of the reset spring (24) abuts against the side wall of the guide bin (132), the other end abuts against the semicircle ball abutting block (221), and the reset spring (24) is used for resetting the discharge assembly (4) after the compensation assembly (2) completes position compensation.

5. The electric discharge gap smart-compensating cutter of claim 4, wherein, The discharge assembly (4) comprises a foam copper support (231) and a foam copper (232) fixed on the foam copper support (231), and the foam copper support (231) is connected to one end of the push rod (22).

6. The electric discharge gap smart offset cutter of claim 1, wherein, The tool body (1) comprises an upper cover (14) arranged away from the bottom plate (11), the bottom plate (11) is provided with a rotating shaft (12), the rotating shaft (12) penetrates the base body (15) and the upper cover (14), and the upper cover (14) and the bottom plate (11) are cooperatively used for closing the fixed bin (13), so that the compensation assembly (2) is fixed in the fixed bin (13).

7. The electric discharge gap smart offset cutter of claim 1, wherein, The tool body (1) comprises a tool mounting table (111) and a tool body (112) arranged on the side of the bottom plate (11), and the tool body (112) is arranged on the tool mounting table (111).

8. The electric discharge gap smart-compensating cutter of claim 7, wherein, The tool mounting table (111) is provided with two tool mounting tables (111) which are symmetrically arranged on the side of the bottom plate (11), and the fixed bin (13) is provided with two fixed bins (13) which are symmetrically arranged on the tool body (1).

9. The electric discharge gap smart offset cutter of claim 1, wherein, The slip ring (3) comprises a rotor (31) sleeved and fixed on the rotating shaft (12) and a stator (32) sleeved on the rotor (31), and the rotor (31) rotates circumferentially relative to the stator (32).

10. The electric discharge gap smart-compensated cutter of claim 9, wherein, The piezoelectric ceramic actuator (21) is electrically connected with the rotor (31) through a first lead wire (212), and the electric discharge assembly (4) is electrically connected with the rotor (31) through a second lead wire (233).

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