CN220028932U

CN220028932U - Linear cutting multi-angle special fixture

Info

Publication number: CN220028932U
Application number: CN202321387226.2U
Authority: CN
Inventors: 查勇军
Original assignee: Johnson Electric Nanjing Co Ltd
Current assignee: Johnson Electric Nanjing Co Ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-11-17
Anticipated expiration: 2033-06-02

Abstract

The utility model relates to a linear cutting multi-angle special fixture which comprises a bottom plate, a support frame and a back plate, wherein the top of one side of the bottom plate is hinged with one side of the bottom of the support frame, a first adjusting screw is arranged in the support frame, and a sliding groove is arranged in the support frame; the outer side of the backrest plate is in threaded connection with a sliding block matched with the sliding groove, and the bottom of the first adjusting screw is in threaded connection with the sliding block and forms a screw nut mechanism; the outside bottom of back board is equipped with fixed clamp splice, and the inboard of back board is equipped with second adjusting screw, and the outside threaded connection of second adjusting screw has movable clamp splice. Through the arrangement, the problem that repeated clamping is needed in multi-angle machining in the machining process of the linear cutting machine fixture is solved, the machining form and position tolerance precision of products is improved, and the working efficiency of linear cutting machining is also improved.

Description

Linear cutting multi-angle special fixture

Technical Field

The utility model relates to the technical field of wire cutting, in particular to a multi-angle special fixture for wire cutting.

Background

Because of the structural limitation of the linear cutting machine, the machining of the metal wire can only be limited to small-angle machining smaller than 15 degrees, so that some large-angle parts cannot be machined accurately, the machining size of the parts is not in place, and the machining quality of products is affected.

In particular to main parts for adjusting the machining angle of a cutter in a linear cutting machine, the precision of the machining angle is poor due to the immature structure technology of a large taper connecting rod of the machine. In the large taper connecting rod structure of the machine tool, for the reference setting of the machining of the linear cutting machine, the springboard on the workbench is a precise flat plate of the parallel workbench, and as the springboard cannot be subjected to large-angle adjustment, the final large-angle parts cannot be precisely machined, and if the positions of the parts on the clamp are adjusted once, the working efficiency is reduced.

Disclosure of Invention

The utility model aims to provide a wire cutting multi-angle special fixture which is used for solving the problems in the background technology.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the wire cutting multi-angle special fixture comprises a bottom plate, a support frame and a back plate, wherein the top of one side of the bottom plate is hinged with one side of the bottom of the support frame, a first adjusting screw is arranged in the support frame, and a sliding groove is arranged in the support frame; the outer side of the backrest plate is in threaded connection with a sliding block matched with the sliding groove, and the bottom of the first adjusting screw is in threaded connection with the sliding block and forms a screw nut mechanism; the outside bottom of back board is equipped with fixed clamp splice, and the inboard of back board is equipped with second adjusting screw, and the outside threaded connection of second adjusting screw has movable clamp splice.

The two sides of the top of one side of the bottom plate are respectively provided with a hinge seat, and the support frame is hinged with the hinge seats through an adjusting shaft.

The top of support frame is equipped with the roof, and the top of first adjusting screw runs through the roof, and its end of running through is fixed with the handle.

The outer side of the sliding block is fixedly provided with a nut seat, and the outer side of the back plate is in threaded connection with the nut seat through a rotating shaft.

The middle part of the outer side of the backrest plate is provided with a sliding table, and the inner side of the movable clamping block is in sliding connection with the sliding table. As a preferable scheme, the sliding table is of a trapezoid structure.

Compared with the prior art, the utility model has the beneficial effects that: in the clamp, the top of one side of the bottom plate is hinged with one side of the bottom of the support frame, and the adjusting shaft can control the angle control of the X-axis direction; the outer side bottom of the back plate is provided with a fixed clamping block which is used as a processing base of the part, the outer side of the second adjusting screw is in threaded connection with a movable clamping block, and the fixed clamping block and the movable clamping block can control the dimension of the part in the Z-axis direction; the outside of the back plate is in threaded connection with the nut seat through a rotating shaft, and the angle size of the Y-axis direction can be controlled by the transversely-adjusted rotating shaft. Through the arrangement, the problem that repeated clamping is needed in multi-angle machining in the machining process of the linear cutting machine fixture is solved, the machining form and position tolerance precision of products is improved, and the working efficiency of linear cutting machining is also improved.

Drawings

The disclosure of the present utility model is described with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. In the drawings, like reference numerals are used to refer to like parts. Wherein:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 at another view angle;

FIG. 3 is a schematic view of the present utility model in semi-section along a central axis;

FIG. 4 is a schematic view of the structure of FIG. 3 at another view angle;

FIG. 5 is a schematic cross-sectional view of a slider and a back plate according to the present utility model.

Reference numerals in the drawings: 1-a bottom plate; 11-a hinge seat; 12-adjusting the shaft; 2-supporting frames; 21-top plate; 22-a first adjusting screw; 23-sliding grooves; 24-sliding blocks; 25-handle; 3-backing plate; 31-a rotation axis; 32-fixing the clamping blocks; 33-a second adjusting screw; 34-a movable clamp block; 35-a nut seat; 36-slipway.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the present utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures to which the utility model pertains.

According to the technical scheme of the utility model, a person skilled in the art can propose various alternative structural modes and implementation modes without changing the true spirit of the utility model. Accordingly, the following detailed description and drawings are merely illustrative of the utility model and are not intended to be exhaustive or to limit the utility model to the precise form disclosed.

The technical scheme of the utility model is further described in detail below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 4, a special fixture for wire cutting multi-angle comprises a bottom plate 1, a supporting frame 2 and a back rest plate 3, wherein the springboard on the workbench is an accurate flat plate of a parallel workbench due to the reference setting of the wire cutting machine tool processing, so the processing and the installation of the fixture base are problems considered in advance, and the bottom plate 1 is fixed on the springboard on the workbench in the wire cutting machine tool processing when the installation is implemented. In order to increase the range of the machining angle, the machining angle is suitable for large-angle parts, and the top of one side of the bottom plate 1 is hinged with one side of the bottom of the support frame 2. Specifically, hinge seats 11 are respectively arranged on two sides of one side top of the bottom plate 1, and the support frame 2 is hinged with the hinge seats 11 through an adjusting shaft 12. The supporting frame 2 can adjust a certain angle by taking the axle center of the adjusting shaft 12 as a circle, so as to adapt to the processing of large-angle parts, such as parts with waist shapes of 45 degrees, 60 degrees and the like, and the angles are fixed in a range value required to be processed by screwing screws on the adjusting shaft 12.

The inner thread of the support frame 2 is connected with a first adjusting screw 22, a chute 23 is also arranged in the support frame 2, and the chute is of a kidney-shaped structure, for example, a kidney-shaped size of 45 degrees is adopted as the chute. In order to install and fix the first adjusting screw 22, the top of the supporting frame 2 is provided with a top plate 21, the top of the first adjusting screw 22 penetrates through the top plate 21, a handle 25 is fixed at the penetrating end of the top plate, the first adjusting screw 22 can be screwed through the handle 25, and then the parts connected to the outer side of the first adjusting screw 22 are adjusted.

The outside screw thread of the back support plate 3 is connected with a sliding block 24 matched with the sliding groove 23, and the bottom of the first adjusting screw 22 is connected with the sliding block 24 in a screw thread way and forms a screw nut mechanism, so that the height of the sliding block 24 is adjusted by screwing the first adjusting screw 22. In addition, since the back plate 3 is screwed to the slider 24, specifically, the nut seat 35 is fixed to the outer side of the slider 24, and the outer side of the back plate 3 is screwed to the nut seat 35 through the rotation shaft 31. When the back plate 3 rotates, the axis of the rotating shaft 31 is used as a circle to rotate, so that a workpiece mounted on the back plate 3 is adjusted at a certain angle, the workpiece is conveniently machined, the corresponding machining angle is also conveniently adjusted, and the machining angle range of the current linear cutting machine is expanded.

The outer bottom of the backing plate 3 is provided with a fixed clamping block 32 which is used as a processing base of the part and is used as a reference block. The inner side of the backrest plate 3 is provided with a second adjusting screw 33, and the outer side of the second adjusting screw 33 is in threaded connection with a movable clamping block 34. In implementation, the back plate 3 has an L-shaped structure, the top of the back plate is in threaded connection with the second adjusting screw 33, a handle or a screwing rod can be installed at the top of the second adjusting screw 33, and when the second adjusting screw 33 is screwed, the vertical distance of the movable clamping block 34 can be adjusted, so that parts with certain sizes can be clamped. The distance between the fixed clamping block 32 and the movable clamping block 34 is the clamping range of the part, the outer side of the second adjusting screw 33 is in threaded connection with the movable clamping block 34, and a screw-nut mechanism is also formed, so that the position of the movable clamping block 34 is convenient to move, and the distance between the fixed clamping block 32 and the movable clamping block 34 is adjusted.

Referring to fig. 5, as a preferred solution, a sliding table 36 is disposed in the middle of the outer side of the back plate 3, and the inner side of the movable clamping block 34 is slidably connected with the sliding table 36, so that the movable clamping block 34 can move along the direction of the sliding table 36 under the driving of the second adjusting screw 33, thereby playing a guiding role. As a preferred solution, the sliding table 36 has a trapezoid structure, which is convenient to process and reduces manufacturing cost.

The fixture is processed by adopting 45# steel, and then blackened and quenched and tempered after manufacturing, so that the fixture can be prevented from embroidering, the use frequency of the fixture is improved, parts can be processed in a better online cutting machine tool, the fixture is not limited to processing parts with small angles, parts with large angles can be processed, and common parts without angle requirements can be processed.

Referring to fig. 1, in the present fixture, the top of one side of a base plate 1 is hinged to one side of the bottom of a supporting frame 2, and an adjusting shaft 12 can control the angle of the X-axis direction; the bottom of the outer side of the backrest plate 3 is provided with a fixed clamping block 32 which is used as a processing base of the part, the outer side of the second adjusting screw 33 is connected with a movable clamping block 34 in a threaded manner, and the fixed clamping block 32 and the movable clamping block 34 can control the dimension of the part in the Z-axis direction; the outside of the backing plate 3 is in threaded connection with the nut seat 35 through the rotating shaft 31, and the transverse adjusting rotating shaft 31 can control the angle size of the Y-axis direction. Therefore, the problem that repeated clamping is needed for multi-angle machining in the machining process of the linear cutting machine tool clamp is solved, the machining form and position tolerance precision of products is improved, and the working efficiency of linear cutting machining is also improved.

The fixed bottom plate 1 is clamped on the springboard of the online cutting machine tool workbench, so that the integral installation accuracy of the clamp is guaranteed, and the fixed clamping block 32 and the movable clamping block 34 are in sliding connection through the datum of the sliding table 36, so that the clamping installation accuracy of the part in the Z-axis direction is guaranteed. In order to solve the process problem of part machining, the design is added with variable adjustment in the Z-axis direction, and a first adjusting screw 22 capable of adjusting a sliding block 24 up and down is added, so that the position change of the part in the Z-axis direction can be solved, and the direction adjustment is rapid and the adjustment stroke is enlarged.

In addition, in order to realize the position rotation regulation of Y axis direction, utilize back board 3 and slider 24 to carry out the screw fixation, the round hole site of rotation axis 31 of being convenient for is fixed, and first adjusting screw 22 that the cooperation anchor clamps were adjusted from top to bottom carries out the multi-angle to the work piece and fixes, improves the work efficiency of the multi-angle clamping of wire cut electrical discharge machining bed part processing greatly, has saved the recruitment man-hour for the enterprise, indirectly reduces the processing cost of part.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. These undisclosed elements are all of the prior art known to those skilled in the art.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. A wire-electrode cutting multi-angle special fixture, its characterized in that: the novel lifting device comprises a bottom plate (1), a support frame (2) and a backrest plate (3), wherein the top of one side of the bottom plate (1) is hinged with one side of the bottom of the support frame (2), a first adjusting screw (22) is arranged in the support frame (2), and a sliding groove (23) is formed in the support frame (2); the outer side of the backrest plate (3) is in threaded connection with a sliding block (24) matched with the sliding groove (23), and the bottom of the first adjusting screw (22) is in threaded connection with the sliding block (24) and forms a screw-nut mechanism; the bottom outside of back board (3) is equipped with fixed clamp splice (32), and the inboard of back board (3) is equipped with second adjusting screw (33), and the outside threaded connection of second adjusting screw (33) has movable clamp splice (34).

2. The wire-electrode cutting multi-angle special fixture according to claim 1, wherein: the two sides of the top of one side of the bottom plate (1) are respectively provided with a hinging seat (11), and the supporting frame (2) is hinged with the hinging seats (11) through an adjusting shaft (12).

3. The wire-electrode cutting multi-angle special fixture according to claim 1, wherein: the top of support frame (2) is equipped with roof (21), and the top of first adjusting screw (22) runs through roof (21), and its penetrating end is fixed with handle (25).

4. The wire-electrode cutting multi-angle special fixture according to claim 1, wherein: the outer side of the sliding block (24) is fixedly provided with a nut seat (35), and the outer side of the back plate (3) is in threaded connection with the nut seat (35) through a rotating shaft (31).

5. The wire-electrode cutting multi-angle special fixture according to claim 1, wherein: the middle part of the outer side of the backrest plate (3) is provided with a sliding table (36), and the inner side of the movable clamping block (34) is in sliding connection with the sliding table (36).

6. The wire-electrode cutting multi-angle special fixture according to claim 5, wherein: the sliding table (36) is of a trapezoid structure.