Adjusting clamp based on electrical discharge machining of machining center

Abstract

The utility model relates to the technical field of electric spark machining, in particular to an adjusting clamp based on electric spark machining of a machining center, which comprises a clamping assembly used for clamping a workpiece needing to be machined and a transmission supporting assembly used for adjusting the height of the clamping assembly. The transmission supporting assembly comprises a supporting plate, a fixing frame, transmission shafts, a linkage plate, supporting shafts and rotary driving parts, the supporting plate is connected with the fixing frame, the multiple rotary driving parts are installed on the fixing frame, output shafts of the rotary driving parts are connected with the corresponding transmission shafts, the transmission shafts are in transmission connection with the linkage plate, and the transmission shafts rotate to drive the linkage plate to move; a plurality of supporting shafts are connected to the linkage plate, the positioning seats and the linkage plate are arranged in a one-to-one opposite mode, the positioning seats and the linkage plate are connected through the corresponding supporting shafts, and the supporting shafts penetrate through the supporting plates. The clamping device has the advantages that the positions of clamping positions can be independently adjusted, the positioning effect on the clamping positions is improved, and the supporting and positioning performance of the clamping positions is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric spark machining, in particular to an adjusting fixture based on electric spark machining of a machining center. Background Art

[0002] Electrospark machining is a method of dimensional machining of materials using the corrosion phenomenon generated by spark discharge. When the gap between the two electrodes reaches a certain distance, the pulse voltage applied to the two electrodes will decompose the working fluid and generate spark discharge. A large amount of heat energy is instantly concentrated in the tiny discharge channel. In the electrospark machining method, the raw material needs to be installed at the position to be processed. Different parts need to be clamped and positioned at different positions. The fixed clamping position has poor adjustment effect, which is not conducive to adjusting to the appropriate position to clamp the parts to be processed, and has low adaptability. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides an adjustment fixture based on electrospark machining in a machining center, which has a structure for adjusting the position of each clamping point individually, thereby improving the positioning effect of the clamping point and improving the supporting and positioning performance of the clamping point.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustment fixture based on electrospark machining in a machining center, comprising a clamping assembly for clamping a workpiece to be machined and a transmission support assembly for adjusting the height of the clamping assembly;

[0007] The clamping assembly includes a positioning seat, a support screw and a support nut. The positioning seat is provided with a notch for mounting a workpiece. A side wall of the notch of the positioning seat is connected to a plurality of support nuts. The positioning seat is provided with through holes corresponding to the support nuts. Each positioning seat is connected to a support screw through a thread.

[0008] The transmission support assembly includes a support plate, a fixed frame, a transmission shaft, a linkage plate, a support shaft and a rotation drive unit. The support plate is connected to the fixed frame, and a plurality of rotation drive units are installed on the fixed frame. The output shaft of each rotation drive unit is connected to the corresponding transmission shaft, and the transmission shaft is connected to the linkage plate for transmission. The rotation of the transmission shaft can drive the linkage plate to move. A plurality of support shafts are connected to the linkage plate. The positioning seat and the linkage plate are arranged opposite to each other one by one. The positioning seat and the linkage plate are connected through the corresponding support shafts, and the support shaft passes through the support plate.

[0009] Preferably, the support plate comprises a first give-way groove and a second give-way groove, wherein the second give-way groove is arranged in the middle of the support plate, and the first give-way groove communicating with the second give-way groove is arranged at the edge of the support plate.

[0010] Preferably, the clamping assembly further comprises a convex plate, and a convex plate is arranged on one end of the support screw rod facing the notch on the positioning seat.

[0011] Preferably, the clamping assembly further comprises a toggle shaft, the support screw rod is provided with the toggle shaft, and bosses are arranged at both ends of the toggle shaft.

[0012] Preferably, the transmission support assembly further comprises an adapter plate, the support shaft and the positioning seat are connected via the adapter plate, the support shaft and the adapter plate are connected, and the adapter plate and the positioning seat are connected via bolts.

[0013] Preferably, the transmission support assembly further comprises a transmission nut, the linkage plate is provided with a transmission nut, and the transmission nut and the transmission shaft are connected via threads.

[0014] Preferably, it also includes a dust suction transmission component for dust removal, and the dust suction transmission component includes an air pipe, and a plurality of air pipes are installed on the support plate.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides an adjustment fixture based on electrospark machining of a machining center, which has the following beneficial effects:

[0017] The adjusting fixture based on the electrospark machining of the machining center drives the transmission shaft to rotate through the rotating drive part in the transmission support assembly, and the transmission shaft cooperates with the linkage plate to drive the linkage plate, the support shaft and the clamping assembly to move up and down, and adjusts the height of each clamping assembly to adapt to the clamping locations of different workpieces. The support screw is rotated to press the parts that need to be electrospark machined, and then the parts are effectively machined. The arrangement of the notches facilitates the clamping of the parts. The arrangement of several support shafts can improve the effect of the support positioning seat. The structures that are adjusted separately can improve the positioning effect of the positioning seat and improve the support and positioning performance of the clamping location. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0020] Figure 3 This is a schematic diagram of the main structure of the utility model;

[0021] Figure 4 For this utility model Figure 3 Schematic diagram of the cross-sectional structure at AA in the middle;

[0022] Figure 5For this utility model Figure 4 Schematic diagram of the local enlarged structure at point A in the middle.

[0023] Markings in the attached drawings: 1. Support plate; 2. Fixed frame; 3. Transmission shaft; 4. Linkage plate; 5. Support shaft; 6. Rotation drive unit; 7. Positioning seat; 8. Support screw; 9. Convex plate; 10. Support nut; 11. Toggle shaft; 12. Air pipe; 13. Make way slot one; 14. Make way slot two; 15. Transmission nut; 16. Adapter plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example:

[0026] See also Figure 1-5 The invention discloses an adjusting fixture based on the electrospark machining of a machining center, comprising a clamping assembly for clamping a workpiece to be machined and a transmission support assembly for adjusting the height of the clamping assembly.

[0027] The clamping assembly includes a positioning seat 7, a support screw 8 and a support nut 10. The positioning seat 7 is provided with a slot for installing the workpiece. A plurality of support nuts 10 are connected to one side wall of the slot of the positioning seat 7. The positioning seat 7 is provided with through holes corresponding to each support nut 10. Each positioning seat 7 is connected to a support screw 8 through a thread.

[0028] The transmission support assembly includes a support plate 1, a fixed frame 2, a transmission shaft 3, a linkage plate 4, a support shaft 5 and a rotation drive unit 6. The support plate 1 is connected to the fixed frame 2, and a plurality of rotation drive units 6 are installed on the fixed frame 2. The output shaft of each rotation drive unit 6 is connected to the corresponding transmission shaft 3. The transmission shaft 3 is transmission-connected to the linkage plate 4. The rotation of the transmission shaft 3 can drive the linkage plate 4 to move. A plurality of support shafts 5 are connected to the linkage plate 4. The positioning seat 7 and the linkage plate 4 are arranged one by one relative to each other. The positioning seat 7 and the linkage plate 4 are connected through the corresponding support shaft 5. The support shaft 5 passes through the support plate 1 and is connected to the same linkage plate 4. The support shafts 5 are arranged in parallel. It is preferred that the rotation drive unit 6 is installed at the four corners of the fixed frame 2. Area, the rotating drive part 6 is a motor, which is pre-selected as a servo motor type. The rotating drive part 6 in the transmission support assembly drives the transmission shaft 3 to rotate, and the transmission shaft 3 cooperates with the linkage plate 4, thereby driving the linkage plate 4, the support shaft 5 and the clamping assembly to move up and down, and adjusting the height of each clamping assembly to adapt to the clamping location of different workpieces, and by rotating the support screw 8, the support screw 8 presses the parts that need to be electrospark machined, and then effectively processes the parts. The setting of the notch facilitates the clamping of the parts. The setting of several support shafts 5 can improve the effect of the support positioning seat 7, and each individually adjusted structure improves the positioning effect of the positioning seat 7, and improves the support and positioning performance of the clamping location.

[0029] Reference Figure 1 The support plate 1 includes a first clearance groove 13 and a second clearance groove 14. The second clearance groove 14 is arranged in the middle of the support plate 1, and the first clearance groove 13 communicating with the second clearance groove 14 is arranged at the edge of the support plate 1. The fixed frame 2 is provided with a clearance hole corresponding to the first clearance groove 13 and the second clearance groove 14 on the support plate 1. By setting the first clearance groove 13 and the second clearance groove 14 on the support plate 1, the moving space of the heating wire of the electric spark machining is given, and the installation space of some parts is given to improve the adaptability.

[0030] Reference Figure 5 The clamping assembly also includes a convex plate 9, and a convex plate 9 is provided at one end of the support screw 8 facing the notch on the positioning seat 7. By rotating the support screw 8, the support screw 8 and the convex plate 9 cooperate to make the convex plate 9 press the parts to improve the pressing effect.

[0031] Reference Figure 5 The clamping assembly also includes a toggle shaft 11, on which the support screw 8 is provided with a toggle shaft 11, and bosses are provided at both ends of the toggle shaft 11. By rotating the toggle shaft 11, the support screw 8 is driven to rotate, thereby effectively adjusting the position of the support screw 8, making it convenient for the support screw 8 to press the parts to be processed.

[0032] Reference Figure 5The transmission support assembly also includes an adapter plate 16, the support shaft 5 and the positioning seat 7 are connected through the adapter plate 16, the support shaft 5 and the adapter plate 16 are connected, the adapter plate 16 and the positioning seat 7 are connected by bolts, and through the setting of the rotating drive part 6, it is convenient to connect with the support shaft 5, and through the positioning seat 7 and the adapter plate 16, it is convenient to disassemble and assemble the positioning seat 7, which is convenient for maintenance.

[0033] Reference Figure 5 The transmission support assembly also includes a transmission nut 15, and the transmission nut 15 is installed on the linkage plate 4. The transmission nut 15 and the transmission shaft 3 are connected by threads. As another connection method, the transmission nut 15 can be selected as a ball screw nut 10, and the transmission shaft 3 uses a ball screw. Through the cooperation between the transmission nut 15 and the transmission shaft 3, the linkage plate 4, the support shaft 5, the adapter plate 16 and the clamping assembly are effectively driven to move to a suitable position, which is convenient for adjusting the height of the clamping assembly and is conducive to adapting to the clamping places of more part styles.

[0034] Reference Figure 2 This adjustment fixture also includes a dust suction transmission component for dust removal, and the dust suction transmission component includes an air pipe 12. A plurality of air pipes 12 are installed on the support plate 1. A plurality of air holes are provided on the air pipe 12. A filter element for filtering air can be preferably installed inside the air pipe 12. By connecting the air pipe 12 and the negative pressure device or the dust removal device, the air in the environment around the support plate 1 is transmitted to the purification position through the air pipe 12, which is beneficial to purify the air in the area around the electric spark.

[0035] When in use, start each rotary drive part 6, which drives the corresponding transmission shaft 3 to rotate, and the transmission shaft 3 drives the linkage plate 4 to move up and down, driving the support shaft 5 and the clamping assembly to move to a suitable height, and then rotate the support screw 8, and the support screw 8 and the convex plate 9 cooperate to enable the support screw 8 to clamp the parts to be processed.

[0036] It should be noted that the phrases "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments", etc. mentioned in the specification indicate that the described embodiments may include certain features, structures or characteristics, but not every embodiment may include the certain features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when describing certain features, structures or characteristics in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such features, structures or characteristics in conjunction with other embodiments, whether explicitly or not explicitly described.

[0037] It should be easily understood that “on,” “above,” and “over” in the present disclosure should be interpreted in the broadest manner, so that “on” not only means “directly on something,” but also includes the meaning of “on something” with intervening features or layers therebetween, and “above” or “over” not only includes the meaning of “above” or “over,” but also may include the meaning of “above” or “over something” with no intervening features or layers therebetween (i.e., directly on something).

[0038] In addition, spatially relative terms, such as "below," "below," "beneath," "above," "above," etc., may be used herein for ease of description to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein may likewise be interpreted accordingly.

[0039] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An adjustment fixture based on electrospark machining in a machining center, characterized in that: It includes a clamping assembly for clamping the workpiece to be processed and a transmission support assembly for adjusting the height of the clamping assembly; The clamping assembly comprises a positioning seat (7), a support screw (8) and a support nut (10); the positioning seat (7) is provided with a notch for mounting a workpiece; a side wall of the notch of the positioning seat (7) is connected to a plurality of support nuts (10); the positioning seat (7) is provided with through holes corresponding to the support nuts (10); and each positioning seat (7) is connected to a support screw (8) via a thread; The transmission support assembly comprises a support plate (1), a fixed frame (2), a transmission shaft (3), a linkage plate (4), a support shaft (5) and a rotation drive unit (6); the support plate (1) is connected to the fixed frame (2); a plurality of rotation drive units (6) are mounted on the fixed frame (2); the output shaft of each rotation drive unit (6) is connected to the corresponding transmission shaft (3); the transmission shaft (3) and the linkage plate (4) are transmission-connected; the rotation of the transmission shaft (3) can drive the linkage plate (4) to move; a plurality of support shafts (5) are connected to the linkage plate (4); the positioning seat (7) and the linkage plate (4) are arranged one by one opposite to each other; the positioning seat (7) and the linkage plate (4) are connected via the corresponding support shafts (5); and the support shafts (5) pass through the support plate (1).

2. The adjusting fixture based on electrospark machining in a machining center according to claim 1, characterized in that: The support plate (1) comprises a first clearance groove (13) and a second clearance groove (14); the second clearance groove (14) is arranged in the middle of the support plate (1); and the first clearance groove (13) communicating with the second clearance groove (14) is arranged at the edge of the support plate (1).

3. The adjusting fixture based on electrospark machining in a machining center according to claim 1, characterized in that: The clamping assembly also includes a convex plate (9), and the convex plate (9) is arranged on one end of the support screw (8) facing the notch on the positioning seat (7).

4. The adjusting fixture based on electrospark machining in a machining center according to claim 1, characterized in that: The clamping assembly also includes a toggle shaft (11), the toggle shaft (11) is passed through the support screw rod (8), and bosses are arranged at both ends of the toggle shaft (11).

5. The adjusting fixture based on electrospark machining in a machining center according to claim 1, characterized in that: The transmission support assembly further comprises an adapter plate (16), the support shaft (5) and the positioning seat (7) are connected via the adapter plate (16), the support shaft (5) and the adapter plate (16) are connected, and the adapter plate (16) and the positioning seat (7) are connected via bolts.

6. The adjusting fixture based on electrospark machining in a machining center according to claim 1, characterized in that: The transmission support assembly also includes a transmission nut (15), the transmission nut (15) is mounted on the linkage plate (4), and the transmission nut (15) and the transmission shaft (3) are connected via threads.

7. The adjusting fixture based on electrospark machining in a machining center according to claim 1, characterized in that: It also comprises a dust suction transmission component for dust removal, wherein the dust suction transmission component comprises an air delivery pipe (12), and a plurality of air delivery pipes (12) are installed on the support plate (1).

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