CN215509362U

CN215509362U - Clamp for electric spark perforation on sheet workpiece

Info

Publication number: CN215509362U
Application number: CN202120701876.4U
Authority: CN
Inventors: 吴江; 赵严; 吴勇生
Original assignee: Nanjing Yongzhi Laser Technology Co ltd
Current assignee: Nanjing Yongzhi Laser Technology Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2022-01-14
Anticipated expiration: 2031-04-07

Abstract

The utility model belongs to the technical field of clamps, in particular to a clamp for electric spark perforation on a sheet workpiece, which comprises a support table, wherein a groove is formed in the middle of the upper end surface of the support table, a motor is fixedly arranged inside the groove, a disc is fixedly arranged at the output end of the motor, an electric push rod is fixedly arranged in the middle of the upper end surface of the disc, a moving block is fixedly arranged at the output end of the electric push rod, sliding grooves are formed in the left side and the right side of the moving block, and sliding blocks are respectively connected inside the two sliding grooves in a sliding manner, so that the moving block is pushed by the electric push rod to move upwards, the two sliding blocks move along the two sliding grooves, and then the two fixing clamps are pushed to rotate, the workpiece in a limiting groove is clamped, the effect of fixing the position of the workpiece is achieved, and the disc, the two support plates and a workbench are driven by the motor to rotate, so that the workpiece is rotated to carry out multidirectional perforation processing, avoid fixed position once more, reach the effect of the porous processing of being convenient for.

Description

Clamp for electric spark perforation on sheet workpiece

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamp for electric spark perforation on a thin sheet workpiece.

Background

Among various clamps used in the current electric spark machining process, the clamp has poor adaptability to parts, and some irregular parts cannot be clamped by the clamp with high automation degree; in the electric spark machining, the traditional method is that a machine tool operator fixes a blank on a sine machine table by a pressing plate for machining, but a sine table is adopted for clamping a workpiece, and the position of the workpiece is often required to be corrected after clamping, so that the machine has long workpiece correction time and low production efficiency after standby time in actual machining, along with the continuous development and growth of modern industry, the precision requirement of industrial products is higher and higher, the cost requirement is lower and lower, and the original clamping fixture lags behind the development of the modern industry.

The existing thin sheet workpiece needs to be perforated in multiple directions in the machining process due to the fact that the thin sheet workpiece needs to be perforated in the electric spark perforating machining process, however, the workpiece needs to be clamped and positioned again in each perforating process, labor and time are wasted, the existing positioning fixture for the electric spark machining process is complex in adjusting structure, complex in use and difficult to control in precision, and machining requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model provides a fixture for electric spark perforation on a thin sheet workpiece, which has the characteristics that the workpiece is rotated to carry out multidirectional perforation processing, the secondary fixing and positioning are avoided, and the convenience in multi-hole processing is realized.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electric spark on thin slice work piece anchor clamps for perforation, includes a supporting bench, the middle part of brace table up end is seted up flutedly, the inside fixed mounting of recess has the motor, the output fixed mounting of motor has the disc, the middle part fixed mounting of disc up end has electric push rod, electric push rod's output fixed mounting has the movable block, the spout, two have all been seted up to the left and right sides of movable block the equal sliding connection in inside of spout has the slider, two the equal fixed mounting in one side that the slider was kept away from relatively has a fixation clamp, two the lateral wall of fixation clamp has the fixed block, two through pivot swing joint fixed mounting has the workstation between the fixed block, the up end fixed mounting of workstation has the fixed disk, spacing groove has been seted up to the up end of fixed disk.

In order to fix the position of the worktable, it is preferable that, as a jig for spark erosion drilling on a thin workpiece according to the present invention, support plates are fixedly mounted at both front and rear ends of an upper end surface of the disk, and an upper end surface of the support plate is fixedly connected to a bottom end surface of the worktable.

In order to support the disc and avoid the disc from shaking during rotation, the fixture for electric spark perforation on the thin sheet workpiece is preferably used, wherein two universal wheels distributed from left to right are installed on the bottom end face of the disc, and the bottoms of the two universal wheels are connected with the upper end face of the support table in a sliding manner.

In order to facilitate the punching of the workpiece, it is preferable that, as a preferred aspect of the spark-erosion punching jig for a thin-sheet workpiece according to the present invention, the inner bottom end surface of the limiting groove is provided with a plurality of uniformly circumferentially distributed groove holes.

In order to fix the position of the workpiece, it is preferable that the moving block is trapezoidal and is located between the two support plates.

In order to make the device easy to operate, it is preferable that, as a jig for electric spark perforation on a thin workpiece according to the present invention, a control panel is fixedly mounted on a front end surface of a front support plate, and the control panel is electrically connected to a motor and an electric push rod, respectively.

Compared with the prior art, the utility model has the beneficial effects that:

the fixture for electric spark perforation on a thin sheet workpiece is characterized in that the workpiece is placed in a limiting groove, then the workpiece is moved, the position of the perforation on the workpiece corresponds to a plurality of slotted holes, so that the workpiece can be perforated conveniently, then an electric push rod is started through a control panel, the electric push rod pushes a moving block to move upwards, so that two sliding blocks move along two sliding grooves respectively, because the moving block is narrow at the top and wide at the bottom, the two fixing clamps are pushed to rotate when the sliding blocks move, the workpiece in the limiting groove is clamped, the effect of fixing the position of the workpiece is achieved, the perforation operation is convenient, the disk drives two supporting plates and a workbench to rotate by starting a motor, the workpiece is enabled to rotate to carry out multidirectional perforation processing, the secondary fixing and positioning are avoided, the effect of facilitating porous processing is achieved, and the disk is stably rotated by rolling two universal wheels and supporting the disk, the processing precision is effectively improved;

to sum up, this kind of anchor clamps for electric spark perforation on thin slice work piece promotes the movable block rebound through the electric push rod for two sliders move along two spouts, and then promote two fixation clamps and rotate, carry out the centre gripping with the work piece of spacing inslot, reach and carry out the effect fixed with the position of work piece, rotate through making motor drive disc and two backup pads and workstation, thereby make the work piece rotate and carry out diversified perforation processing, avoid fixed position once more, reach the effect of the porous processing of being convenient for.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a view showing a structure of a jig for electric discharge machining on a thin plate workpiece according to the present invention;

FIG. 2 is a cross-sectional view of a spark-piercing jig for thin-walled workpieces according to the present invention;

fig. 3 is a top view structural view of the stationary platen of fig. 2 according to the present invention.

In the figure, 1, a support table; 101. a groove; 102. a motor; 2. a disc; 201. an electric push rod; 202. a universal wheel; 3. a moving block; 301. a chute; 302. a slider; 303. a fixing clip; 4. a fixed block; 5. a work table; 501. fixing the disc; 502. a limiting groove; 503. a slot; 6. a support plate; 601. a control panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides an anchor clamps for electric spark perforation on thin slice work piece, including brace table 1, recess 101 has been seted up at the middle part of brace table 1 up end, the inside fixed mounting of recess 101 has motor 102, motor 102's output fixed mounting has disc 2, the middle part fixed mounting of disc 2 up end has electric push rod 201, electric push rod 201's output fixed mounting has movable block 3, spout 301 has all been seted up to the left and right sides of movable block 3, the equal sliding connection in inside of two spout 301 has slider 302, the equal fixed mounting in one side that two slider 302 kept away from relatively has fixation clamp 303, the lateral wall of two fixation clamps 303 has fixed block 4 through pivot swing joint, fixed mounting has workstation 5 between two fixed block 4, the up end fixed mounting of workstation 5 has fixed disk 501, spacing groove 502 has been seted up to the up end face of fixed disk 501.

In this embodiment: through placing the work piece in spacing groove 502, start electric push rod 201 through control panel 601 after that, make electric push rod 201 promote the movable block 3 rebound, make two sliders 302 remove along two spouts 301 respectively, because narrow width under the movable block 3, promote two fixation clamps 303 to take place to rotate when making slider 302 remove, carry out the centre gripping with the work piece in the spacing groove 502, reach the effect of fixing the position of work piece, be convenient for carry out the operation of perforating, through starter motor 102, make disc 2 drive two backup pads 6 and workstation 5 rotate, make the work piece rotate and carry out diversified perforation processing, avoid fixed location once more, reach the effect of the porous processing of being convenient for, through making two universal wheels 202 roll support disc 2 and rotate, thereby increase disc 2 pivoted stability.

As a technical optimization scheme of the utility model, the front end and the rear end of the upper end surface of the disc 2 are both fixedly provided with the supporting plates 6, and the upper end surface of each supporting plate 6 is fixedly connected with the bottom end surface of the workbench 5.

In this embodiment: by providing the two support plates 6, the two support plates 6 support the table 5, thereby fixing the position of the table 5.

As a technical optimization scheme of the utility model, two universal wheels 202 distributed left and right are installed on the bottom end surface of the disc 2, and the bottoms of the two universal wheels 202 are connected with the upper end surface of the support table 1 in a sliding manner.

In this embodiment: through installing two universal wheels 202, drive two universal wheels 202 and roll when disc 2 rotates for two universal wheels 202 support disc 2, avoid disc 2 to take place to rock when rotating.

As a technical optimization scheme of the present invention, the inner bottom end surface of the limiting groove 502 is provided with a plurality of groove holes 503 uniformly distributed in a surrounding manner.

In this embodiment: through setting up a plurality of slotted holes 503, when placing the work piece in spacing groove 502, through a plurality of slotted holes 503, be convenient for punch a hole to the work piece.

As a technical optimization of the present invention, the moving block 3 is trapezoidal and is located between the two supporting plates 6.

In this embodiment: through setting up the movable block 3 and being trapezoidal, when the movable block 3 moved upwards, the both sides of movable block 3 promoted two fixation clamps 303 and took place to rotate, impeld the rotation of fixation clamp 303 top to carry out the centre gripping with the work piece, reached and carry out the fixed purpose with the position of work piece.

As a technical optimization scheme of the present invention, a control panel 601 is fixedly installed on the front end surface of the front support plate 6, and the control panel 601 is electrically connected to the motor 102 and the electric push rod 201 respectively.

In this embodiment: the motor 102 and the electric push rod 201 are controlled to work through the control panel 601, so that the device is simple and convenient to operate.

The working principle and the using process of the utility model are as follows: firstly, when a workpiece is placed in a limiting groove 502, the workpiece is moved, the position of a punched hole on the workpiece corresponds to a plurality of slotted holes 503, so that the workpiece is conveniently punched, then the electric push rod 201 is started through the control panel 601, the electric push rod 201 pushes the moving block 3 to move upwards, so that the two sliding blocks 302 move along the two sliding grooves 301 respectively, because the moving block 3 is narrow at the top and wide at the bottom, the two fixing clamps 303 are pushed to rotate when the sliding block 302 moves, the workpiece in the limiting groove 502 is clamped, the effect of fixing the position of the workpiece is achieved, the punching operation is convenient, the disk 2 drives the two supporting plates 6 and the workbench 5 to rotate by starting the motor 102, the workpiece is enabled to rotate to carry out multi-directional punching processing, the secondary fixing and positioning are avoided, the effect of facilitating the multi-hole processing is achieved, and the two universal wheels 202 roll and support the disk 2 to stably rotate, the processing precision is effectively improved.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electric spark on thin slice work piece anchor clamps for punching, includes brace table (1), its characterized in that: the middle part of the upper end face of the supporting table (1) is provided with a groove (101), a motor (102) is fixedly mounted inside the groove (101), a disc (2) is fixedly mounted at the output end of the motor (102), an electric push rod (201) is fixedly mounted in the middle part of the upper end face of the disc (2), a moving block (3) is fixedly mounted at the output end of the electric push rod (201), sliding grooves (301) are respectively formed in the left side and the right side of the moving block (3), sliding blocks (302) are respectively and slidably connected inside the two sliding grooves (301), fixing clamps (303) are respectively and fixedly mounted on one sides, far away from the two sliding blocks (302), the outer side walls of the two fixing clamps (303) are respectively and movably connected with a fixing block (4) through a rotating shaft, a workbench (5) is fixedly mounted between the two fixing blocks (4), and a fixing disc (501) is fixedly mounted on the upper end face of the workbench (5), the upper end face of the fixed disc (501) is provided with a limiting groove (502).

2. A jig for electric discharge machining on a thin plate workpiece according to claim 1, characterized in that: the supporting plates (6) are fixedly mounted at the front end and the rear end of the upper end face of the disc (2), and the upper end face of each supporting plate (6) is fixedly connected with the bottom end face of the workbench (5).

3. A jig for electric discharge machining on a thin plate workpiece according to claim 1, characterized in that: two universal wheels (202) distributed left and right are installed on the bottom end face of the disc (2), and the bottoms of the two universal wheels (202) are connected with the upper end face of the support table (1) in a sliding mode.

4. A jig for electric discharge machining on a thin plate workpiece according to claim 1, characterized in that: the inner bottom end face of the limiting groove (502) is provided with a plurality of groove holes (503) which are uniformly distributed in a surrounding manner.

5. A jig for electric discharge machining on a thin plate workpiece according to claim 2, characterized in that: the moving block (3) is trapezoidal and is positioned between the two supporting plates (6).

6. A jig for electric discharge machining on a thin plate workpiece according to claim 2, characterized in that: the front end face of the front supporting plate (6) is fixedly provided with a control panel (601), and the control panel (601) is electrically connected with the motor (102) and the electric push rod (201) respectively.