CN210677229U

CN210677229U - Clamping mechanism for electric spark machining

Info

Publication number: CN210677229U
Application number: CN201921754640.6U
Authority: CN
Inventors: 张永平; 葛炳丰; 郑黎明; 全乃海
Original assignee: Jiangsu Yongchangfeng Cnc Equipment Manufacturing Co Ltd
Current assignee: Jiangsu Yongchangfeng Cnc Equipment Manufacturing Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-05
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a clamping mechanism for electrosparking, including backup pad and grip slipper, the bottom central point department of putting of backup pad is equipped with the drive division, the output shaft fixedly connected with of drive division rotates the seat, the top fixedly connected with brace table of grip slipper, the top of brace table is installed the cylinder, the electrical input end of cylinder passes through the wire and is connected with external power source electrical connection, the flexible end of cylinder is fixed connection with the telescopic link; the axis of rotation of step motor is connected to the bottom of rotating the seat, make step motor drive the rotation of rotating the seat, when the angle of work piece is adjusted to needs, only need control the cylinder and rise, it rotates to drive the rotating the seat by the motor again, and simultaneously, the cylinder drives the grip block again and pushes down, carry out the centre gripping to the work piece, carry out the angle of automatically regulated work piece, time saving and labor saving, and through the gag lever post that sets up two symmetric distributions on the grip block, it is spacing to make the gag lever post carry out the grip block, it is not hard up to avoid the grip block to appear at the in-process of centre.

Description

Clamping mechanism for electric spark machining

Technical Field

The utility model belongs to the technical field of spark-erosion machining equipment, specifically be a fixture for spark-erosion machining.

Background

The electric spark machining is a method for machining a workpiece through the electroerosion effect of pulse discharge between a tool electrode and a workpiece electrode in a certain medium, and before the electric spark machining, a clamp is required to be used for fixing the workpiece, so that the workpiece is prevented from moving in the machining process.

The existing clamping mechanism needs to manually loosen the clamping block when adjusting the angle of a workpiece in the processing process, and then adjusts the angle of the workpiece, so that time and labor are wasted, and in addition, the existing clamping block is easy to loosen when clamping the workpiece.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the problem among the background art, provide a fixture for spark-erosion machining.

The utility model adopts the technical scheme as follows:

a clamping mechanism for electric spark machining comprises a supporting plate and a clamping seat, wherein a driving part is arranged at the center of the bottom of the supporting plate, the output shaft of the driving part is fixedly connected with a rotating seat, the top of the clamping seat is fixedly connected with a supporting table, the top of the supporting platform is provided with an air cylinder, the electrical input end of the air cylinder is electrically connected with an external power supply through a wire, the telescopic end of the cylinder is fixedly connected with a telescopic rod, the outer side wall of the telescopic rod is connected with a threaded sleeve in a sliding way, the threaded sleeves penetrate through the upper end and the lower end of the clamping seat, the bottom end of the telescopic rod is fixedly connected with a fixed block, the bottom of the fixed block is fixedly connected with a clamping block, the top of the clamping block is fixedly connected with a limiting rod, the outer side wall of the limiting rod is connected with a limiting sleeve in a sliding mode, and the limiting sleeve penetrates through the upper end and the lower end of the clamping seat.

The supporting legs are fixedly connected to the bottom of the supporting plate, the sliding rail is fixedly connected to the top of the supporting plate, the sliding table is slidably connected to the outer side wall of the sliding rail, and the fixing bolt is connected to the top of the sliding table in a threaded mode.

The top fixedly connected with bracing piece of slip table, the lateral wall fixedly connected with of bracing piece the grip slipper.

The outer side wall of the supporting rod is provided with threads, nuts are arranged at the joint of the clamping seat and the supporting rod, the number of the nuts is two, and the two nuts are respectively located at the upper end and the lower end of the clamping seat and are in threaded connection with the supporting rod.

Wherein, the drive division includes gear box, step motor, motor gear and pivot gear, install the bottom of gear box step motor, step motor's output shaft fixedly connected with the motor gear, the lateral wall meshing of motor gear has the pivot gear, the pivot gear through the pivot with the bottom fixed connection who rotates the seat, step motor's electrical property input passes through wire and external power source electric connection.

Wherein, one end of the clamping block is fixedly connected with a wiring board.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses in, through setting up the grip slipper, the top of grip slipper sets up the cylinder, make the cylinder drive the grip block of bottom move down, carry out automatic centre gripping to the work piece, the rethread sets up the rotation seat in the backup pad, step motor's axis of rotation is connected to the bottom of rotation seat, make step motor drive the rotation seat and rotate, when the angle of work piece is adjusted to needs, only need control cylinder to rise, it rotates to drive the rotation seat by the motor again, and simultaneously, the cylinder drives the grip block and pushes down, carry out the centre gripping to the work piece, carry out the angle of automatically regulated work piece, time saving and labor saving, and through the gag lever post that sets up two symmetric distributions on the grip block, it is spacing to make the gag lever post carry out the grip block, it is not hard up to avoid.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a sectional view of the driving part of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

The labels in the figure are: 1. a support plate; 2. supporting legs; 3. a drive section; 31. a gear case; 32. a stepping motor; 33. a motor gear; 34. a spindle gear; 4. a rotating seat; 5. a slide rail; 6. a sliding table; 7. fixing the bolt; 8. a support bar; 9. a clamping seat; 10. a nut; 11. a support table; 12. a cylinder; 13. a telescopic rod; 14. a threaded sleeve; 15. a fixed block; 16. a clamping block; 17. a wiring board; 18. a limiting sleeve; 19. a limiting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-3, a clamping mechanism for electric discharge machining comprises a supporting plate 1 and a clamping seat 9, a driving part 3 is arranged at the bottom center position of the supporting plate 1, an output shaft of the driving part 3 is fixedly connected with a rotating seat 4, a supporting table 11 is fixedly connected with the top of the clamping seat 9, an air cylinder 12 is installed at the top of the supporting table 11, an electrical input end of the air cylinder 12 is electrically connected with an external power supply through a wire, a telescopic rod 13 is fixedly connected with a telescopic end of the air cylinder 12, a threaded sleeve 14 is slidably connected with the outer side wall of the telescopic rod 13, the threaded sleeve 14 penetrates through the upper end and the lower end of the clamping seat 9, a fixed block 15 is fixedly connected with the bottom end of the telescopic rod 13, a clamping block 16 is fixedly connected with the bottom of the fixed block 15, a limiting rod 19 is fixedly connected with the top of the, the limiting sleeve 18 penetrates through the upper end and the lower end of the clamping seat 9.

The bottom of the supporting plate 1 is fixedly connected with a supporting leg 2, the top of the supporting plate 1 is fixedly connected with a sliding rail 5, the outer side wall of the sliding rail 5 is connected with a sliding table 6 in a sliding manner, and the top of the sliding table 6 is in threaded connection with a fixing bolt 7; through setting up slide rail 5 and slip table 6, make slip table 6 slide along slide rail 5, adjust grip slipper 9, and through setting up fixing bolt 7, make fixing bolt 7 fix slip table 6 to slide rail 5 on.

The top of the sliding table 6 is fixedly connected with a supporting rod 8, and the outer side wall of the supporting rod 8 is fixedly connected with the clamping seat 9; the support rod 8 and the clamping seat 9 form a frame body to support the clamping block 16.

The outer side wall of the supporting rod 8 is provided with threads, two nuts 10 are arranged at the joint of the clamping seat 9 and the supporting rod 8, and the two nuts 10 are respectively positioned at the upper end and the lower end of the clamping seat 9 and are in threaded connection with the supporting rod 8; the clamping seat 9 is fixed on the support rod 8 through two nuts 10, and the height of the clamping seat 9 can be adjusted through loosening the nuts 10 so as to adapt to the size of a workpiece.

The driving part 3 comprises a gear box 31, a stepping motor 32, a motor gear 33 and a rotating shaft gear 34, the stepping motor 32 is mounted at the bottom of the gear box 31, the motor gear 33 is fixedly connected to an output shaft of the stepping motor 32, the rotating shaft gear 34 is meshed with the outer side wall of the motor gear 33, the rotating shaft gear 34 is fixedly connected with the bottom of the rotating seat 4 through a rotating shaft, and an electrical input end of the stepping motor 32 is electrically connected with an external power supply through a lead; the stepping motor 32 drives the motor gear 33 to rotate, and the motor gear 33 drives the rotating shaft gear 34 to rotate, so that the rotating shaft gear 34 drives the rotating base 4 above to rotate.

In this embodiment, specifically, one end of the clamping block 16 is fixedly connected with a wiring board 17; the terminal block 17 is connected to a machining power source through a wire, and when the clamp block 16 is brought into contact with a workpiece, a passage is formed to perform machining.

In the present embodiment, the stepping motor 32 is 42HS, and the cylinder 12 is MAL 32.

Working principle, referring to fig. 1-3, when in use, firstly, a workpiece to be processed is put on the rotating seat 4, then the sliding table 6 is slid to enable the sliding table 6 to slide along the sliding rail 5, the transverse position of the clamping mechanism is adjusted, then the fixing bolt 7 is tightened to fix the sliding table 6, after the adjustment is finished, the nut 10 is loosened, the clamping seat 9 is slid to adjust the height of the clamping seat 9, the height of the clamping seat 9 is adapted to the height of the workpiece, finally, the cylinder 12 is started to enable the cylinder 12 to drive the telescopic rod 13 to lift, the telescopic rod 13 drives the clamping block 16 at the bottom end to lift, the workpiece below is clamped, when in processing, the electric spark power supply is connected with the wiring board 17 to process, when the angle of the workpiece needs to be adjusted, the cylinder 12 is started to enable the telescopic rod 13 to drive the clamping block to lift, and meanwhile, the driving part 3 is started to enable the driving part 3 to drive the rotating seat 4, the angle of the workpiece is adjusted, and after the adjustment is completed, the cylinder 12 is started again to enable the clamping block 16 to clamp the workpiece.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a fixture for electrosparking, includes backup pad (1) and grip slipper (9), its characterized in that: the bottom center position department of backup pad (1) is equipped with drive division (3), the output shaft fixedly connected with of drive division (3) rotates seat (4), the top fixedly connected with brace table (11) of grip slipper (9), cylinder (12) are installed to the top of brace table (11), the electrical input end of cylinder (12) passes through the wire and is connected with external power source electrical behavior, the flexible end fixedly connected with telescopic link (13) of cylinder (12), the lateral wall sliding connection of telescopic link (13) has screw sleeve (14), screw sleeve (14) run through the upper and lower both ends of grip slipper (9), the bottom fixedly connected with fixed block (15) of telescopic link (13), the bottom fixedly connected with grip block (16) of fixed block (15), the top fixedly connected with gag lever post (19) of grip block (16), the outer side wall of the limiting rod (19) is connected with a limiting sleeve (18) in a sliding mode, and the limiting sleeve (18) penetrates through the upper end and the lower end of the clamping seat (9).

2. The clamping mechanism for electric discharge machining according to claim 1, characterized in that: the supporting legs are fixedly connected to the bottom of the supporting plate (1) and the top of the supporting plate (1) is fixedly connected with sliding rails (5), the sliding table (6) is connected to the outer side wall of the sliding rails (5) in a sliding mode, and fixing bolts (7) are connected to the top of the sliding table (6) in a threaded mode.

3. The clamping mechanism for electric discharge machining according to claim 2, characterized in that: the top fixedly connected with bracing piece (8) of slip table (6), the lateral wall fixedly connected with of bracing piece (8) grip slipper (9).

4. The clamping mechanism for electric discharge machining according to claim 3, characterized in that: the outer side wall of the supporting rod (8) is provided with threads, the joint of the clamping seat (9) and the supporting rod (8) is provided with two nuts (10), and the two nuts (10) are respectively located at the upper end and the lower end of the clamping seat (9) and are in threaded connection with the supporting rod (8).

5. The clamping mechanism for electric discharge machining according to claim 1, characterized in that: drive division (3) include gear box (31), step motor (32), motor gear (33) and pivot gear (34), install the bottom of gear box (31) step motor (32), the output shaft fixedly connected with of step motor (32) motor gear (33), the lateral wall meshing of motor gear (33) has pivot gear (34), pivot gear (34) through the pivot with the bottom fixed connection who rotates seat (4), the electric property input of step motor (32) passes through wire and external power source electric connection.

6. The clamping mechanism for electric discharge machining according to claim 1, characterized in that: one end of the clamping block (16) is fixedly connected with a wiring board (17).