CN219053156U

CN219053156U - Special fixture for machining precise slow-walking wire cutting parts

Info

Publication number: CN219053156U
Application number: CN202223275396.XU
Authority: CN
Inventors: 刘玉敏; 崔寿涛; 赵龙杰
Original assignee: Qingdao Kaimingyan Precision Mould Co ltd
Current assignee: Qingdao Kaimingyan Precision Mould Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-23
Anticipated expiration: 2032-12-07

Abstract

The utility model relates to the technical field of clamps for workshop machining, and discloses a special clamp for machining precise slow-moving wire cutting parts, which comprises a machining table, wherein a cavity is formed in the machining table, rectangular holes are formed in the top surface of the machining table downwards, the rectangular holes are distributed in a rectangular mode, cylindrical pins are rotatably arranged in each rectangular hole, a rotating rod is arranged on each cylindrical pin, the rotating rod is in a V shape, and the top of each rotating rod is rotatably connected with an ear plate. According to the utility model, the top of each rotating rod is rotationally connected with the lug plates, the lug plates on the left side and the right side are respectively fixed with the clamping plates, the clamping plates can clamp different plates, the phenomenon that the contact area is too small and the local stress is too large during clamping is avoided, meanwhile, the clamping plates can clamp rectangular plates, trapezoidal plates or hexagonal plates, and the clamping plates can automatically adjust angles according to the plate surfaces.

Description

Special fixture for machining precise slow-walking wire cutting parts

Technical Field

The utility model relates to the technical field of clamps for workshop machining, in particular to a special clamp for machining a precise slow-moving wire cutting part.

Background

In the machining cutting process, the cutting processing to different polyhedron parts can often be encountered, like rectangle face, trapezoidal face, hexagon face etc. at this moment traditional three-jaw chuck can't carry out stable clamp to it and when pressing from both sides tight, also can appear local clamping force phenomenon such as too big, can make the surface clamp of part press from both sides tight deformation, in addition, some anchor clamps for centre gripping panel, the clamping face angle of its anchor clamps is fixed constantly more, is difficult to carry out rational regulation, reference patent number: CN201720270421.5.

In workshop production and processing, need press from both sides it steadily to the cutting processing of panel, traditional three-jaw chuck can't press from both sides it steadily, and the local phenomenon that also can make panel appear local deformation of pressing from both sides tightly, in addition, some anchor clamps are when pressing from both sides the panel, and the angle of clamping the panel is fixed more and is difficult to adjust trapezoidal panel or hexagonal panel as required, also some splint angles can be adjusted but adjust comparatively troublesome.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a special fixture for processing a precise slow wire cutting part, which solves the problems that in the workshop production and processing, the cutting processing of a plate needs to be stably clamped, the traditional three-jaw chuck cannot stably clamp the plate, the plate can be locally deformed due to local clamping, in addition, when some fixtures clamp the plate, the angles of the clamping plates are more fixed and difficult to adjust the trapezoid plate or the hexagonal plate according to the needs, and the angles of some clamping plates can be adjusted but are more troublesome to adjust.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a special fixture of wire cut parts processing is walked slowly to precision, includes the processing platform, the cavity has been seted up in the processing platform, the top of processing platform has been offered down the rectangular hole, the rectangular hole is provided with four and is the rectangle and distributes, every all rotate in the rectangular hole and install the cylindric lock, every all install the dwang on the cylindric lock, the dwang is V type form, every the top of dwang all rotates and is connected with the otic placode, left and right sides all be fixed with splint on the otic placode, the bottom face of cavity is fixed with the pneumatic cylinder, the pneumatic cylinder upwards stretches out and has the output, the output top of pneumatic cylinder is fixed with the trapezoidal board, the terminal surface is isosceles trapezoid before the trapezoidal board, the top face of trapezoidal board is fixed with the backup pad, the top of backup pad wears out the processing platform outwards stretches out, every the bottom of dwang all is attached to the inclined plane of trapezoidal board both sides.

Preferably, the standing groove has been seted up downwards to the top of backup pad, be provided with the pressure strip in the standing groove, the preceding terminal surface of standing groove is fixed with the spring, the spring is provided with a plurality ofly, every the other end of spring all with pressure strip fixed connection, place the panel that will wait to press from both sides tight in the standing groove, pressure strip can carry out preliminary location firm to the panel.

Preferably, the bottom of every dwang is all rotated and is installed the gyro wheel, the bottom of gyro wheel is attached in the inclined plane of the both sides of trapezoidal plate, and the gyro wheel is with the sliding friction power conversion between dwang and the trapezoidal plate into rolling friction power, has reduced frictional resistance, has less damage to equipment.

Preferably, two rectangular grooves are formed in opposite faces of the clamping plates inwards, two secondary adjusting plates are arranged in the rectangular grooves in a sliding mode, threaded holes are formed in opposite faces of the clamping plates inwards, threaded rods are arranged in the threaded holes, rotating discs are fixed on outer end faces of the threaded rods, the hydraulic cylinders drive the trapezoid plates to move upwards, the trapezoid plates drive the two rotating rods to swing and clamp simultaneously, when two clamping faces of the plates are asymmetric, the lengths of the protruding secondary adjusting plates can be independently adjusted according to the faces of the plates by rotating the threaded rods, the clamping is stable, and the intelligence of equipment is improved.

Preferably, the front end face and the rear end face of each clamping plate are provided with sliding grooves, the front end face and the rear end face of each secondary adjusting plate are fixedly provided with sliding blocks, and each secondary adjusting plate is embedded into the corresponding sliding groove through the sliding blocks and is in sliding connection with the clamping plate, so that the stability of the secondary adjusting plate during sliding is improved.

Preferably, rubber blocks are arranged on opposite faces of the two second-level adjusting plates, and the structures of the rubber blocks are matched with those of the second-level adjusting plates, so that friction force is increased when the second-level adjusting plates clamp plates.

Compared with the prior art, the utility model provides the special fixture for processing the precise slow-moving wire cutting parts, which has the following beneficial effects:

1. according to the utility model, the top of each rotating rod is rotationally connected with the lug plates, the lug plates on the left side and the right side are respectively fixed with the clamping plates, the clamping plates can clamp different plates, the phenomenon that the contact area is too small and the local stress is too large during clamping is avoided, meanwhile, the clamping plates can clamp rectangular plates, trapezoidal plates or hexagonal plates, and the clamping plates can automatically adjust angles according to the plate surfaces.

2. According to the utility model, the two-stage adjusting plates are slidably arranged on each clamping plate, the hydraulic cylinder drives the trapezoid plates to move upwards, the trapezoid plates drive the two rotating rods to swing and clamp simultaneously, when two clamping surfaces of the plates are asymmetric, the protruding length of the two-stage adjusting plates can be independently adjusted by rotating the threaded rods according to the surfaces of the plates, the two clamping surfaces are stably clamped, and the intelligence of the equipment is improved.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

FIG. 3 is a schematic diagram of the whole structure of the present utility model;

FIG. 4 is a schematic cross-sectional view of a processing station according to the present utility model;

fig. 5 is a schematic top sectional view of the splint of the present utility model.

Wherein: 1. a processing table; 2. a rotating lever; 3. a rotating disc; 4. a threaded rod; 5. a clamping plate; 6. a second-stage adjusting plate; 7. a support plate; 8. a spring; 9. a compacting plate; 10. a placement groove; 11. a rectangular hole; 12. ear plates; 13. a cylindrical pin; 14. a roller; 15. a chamber; 16. a hydraulic cylinder; 17. a trapezoidal plate; 18. rectangular grooves; 19. a threaded hole; 20. a slide block; 21. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a special fixture of wire cut parts processing is walked slowly to precision, including processing platform 1, the cavity 15 has been seted up in the processing platform 1, rectangular hole 11 has been seted up towards lower in the top of processing platform 1, rectangular hole 11 is provided with four and is the rectangle and distributes, all rotate in every rectangular hole 11 and install cylindric lock 13, all install dwang 2 on every cylindric lock 13, dwang 2 is V type form, the top of every dwang 2 all rotates and is connected with otic placode 12, all be fixed with splint 5 on the otic placode 12 of left and right sides, the bottom face of cavity 15 is fixed with pneumatic cylinder 16, the output is upwards stretched out to pneumatic cylinder 16, the output top of pneumatic cylinder 16 is fixed with trapezoidal plate 17, trapezoidal plate 17 front end face is isosceles trapezoid, the top face of trapezoidal plate 17 is fixed with backup pad 7, the top of backup pad 7 wears out processing platform 1 outwards stretches out, the inclined plane of trapezoidal plate 17 both sides is all attached to in the bottom of every dwang 2.

According to the utility model, the top end of the supporting plate 7 is provided with the placing groove 10 downwards, the placing groove 10 is internally provided with the pressing plates 9, the front end face of the placing groove 10 is fixedly provided with the springs 8, the springs 8 are provided with a plurality of springs, the other end of each spring 8 is fixedly connected with the pressing plate 9, the plate to be clamped is placed in the placing groove 10, and the pressing plates 9 can be used for initially and stably positioning the plate.

In the utility model, the bottom of each rotating rod 2 is rotatably provided with the roller 14, the bottom of the roller 14 is attached to the inclined surfaces at two sides of the trapezoid plate 17, and the roller 14 converts sliding friction force between the rotating rod 2 and the trapezoid plate 17 into rolling friction force, thereby reducing friction resistance and less damage to equipment.

According to the utility model, rectangular grooves 18 are formed in opposite faces of the two clamping plates 5 inwards, a secondary adjusting plate 6 is slidably arranged in each rectangular groove 18, threaded holes 19 are formed in opposite back faces of the two clamping plates 5 inwards, threaded rods 4 are arranged in each threaded hole 19, a rotating disc 3 is fixed on the outer end face of each threaded rod 4, a hydraulic cylinder 16 drives a trapezoid plate 17 to move upwards, the trapezoid plate 17 drives two rotating rods 2 to swing and clamp simultaneously, when two clamping faces of a plate are asymmetric, the extending length of the secondary adjusting plate 6 can be independently adjusted by rotating the threaded rods according to the faces of the plate, stable clamping is performed on the threaded rods, and the intelligence of equipment is improved.

In the utility model, the front end face and the rear end face of each clamping plate 5 are respectively provided with the sliding groove 21, the front end face and the rear end face of each secondary adjusting plate 6 are respectively fixed with the sliding blocks 20, and each secondary adjusting plate 6 is embedded into the corresponding sliding groove 21 through the sliding blocks 20 to be in sliding connection with the clamping plate 5, so that the stability of the secondary adjusting plate 6 during sliding is improved.

In the utility model, rubber blocks are arranged on opposite surfaces of the two secondary adjusting plates 6, and the structure of the rubber blocks is matched with that of the secondary adjusting plates 6, so that the friction force when the secondary adjusting plates 6 clamp plates is increased.

In order to make the device run smoothly, the device preferably adopts a BRT-PP15/GA hydraulic cylinder, and the hydraulic cylinder can be replaced by other brands, but the thrust is not lower than 5000N, because the thrust is too small and can not drive the trapezoid plate 17 to move normally.

Working principle: firstly, place the panel that waits to process in standing groove 10, then tentatively firm it with pressure strip 9, still play the effect of location when stabilizing, secondly, the back is adjusted the threaded rod 4 of independent rotation both sides according to the clamping face of panel both sides, and then the distance that two second grade regulating plates 6 outwards stretch out is adjusted alone, then start pneumatic cylinder 16, drive trapezoidal plate 17 upward movement through pneumatic cylinder 16, trapezoidal plate 17 upward movement drives the dwang 2 swing of both sides and then drives otic placode 12 and be close to the panel, otic placode 12 is close to panel and drives second grade regulating plate 6 and be close to the panel, until the second grade regulating plate 6 of both sides closely adheres to the panel outer wall and presss from both sides it tightly.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special fixture is processed to accurate wire cut electrical discharge machining spare part slowly, includes processing platform (1), its characterized in that: the processing bench is characterized in that a cavity (15) is formed in the processing bench (1), rectangular holes (11) are formed in the top surface of the processing bench (1) downwards, four rectangular holes (11) are formed in the rectangular holes and are distributed in a rectangular mode, cylindrical pins (13) are rotatably installed in the rectangular holes (11), rotating rods (2) are installed on the cylindrical pins (13), the rotating rods (2) are in a V-shaped mode, the tops of the rotating rods (2) are rotatably connected with lug plates (12), clamping plates (5) are fixedly arranged on the lug plates (12) on the left side and the right side, hydraulic cylinders (16) are fixedly arranged on the bottom end surfaces of the cavity (15), output ends of the hydraulic cylinders (16) extend upwards, trapezoidal plates (17) are fixedly arranged on the top ends of the hydraulic cylinders (16), front end surfaces of the trapezoidal plates (17) are isosceles trapezoids, supporting plates (7) are fixedly arranged on the top end surfaces of the trapezoidal plates (17), the tops of the supporting plates (7) are penetrated out of the processing bench (1), clamping plates (5) are fixedly arranged on the bottoms of the rotating rods (2), and two sides of each rotating rod (2) are fixedly attached to the inclined surfaces of the two sides of the rotating rods (17).

2. The special fixture for machining precision slow-moving wire cutting parts, according to claim 1, is characterized in that: the utility model discloses a packing machine, including backup pad, holding plate, spring, holding plate (8), holding plate (7), holding plate (10) are offered downwards on the top of backup pad (7), be provided with clamp plate (9) in holding plate (10), the preceding terminal surface of holding plate (10) is fixed with spring (8), spring (8) are provided with a plurality ofly, every the other end of spring (8) all with clamp plate (9) fixed connection.

3. The special fixture for machining precision slow-moving wire cutting parts, according to claim 1, is characterized in that: the bottom of each rotating rod (2) is rotatably provided with a roller (14), and the bottom of each roller (14) is attached to inclined planes on two sides of the trapezoid plate (17).

4. The special fixture for machining precision slow-moving wire cutting parts, according to claim 1, is characterized in that: rectangular grooves (18) are formed in opposite faces of the two clamping plates (5) inwards, two secondary adjusting plates (6) are slidably mounted in each rectangular groove (18), threaded holes (19) are formed in opposite faces of the two clamping plates (5) inwards, threaded rods (4) are mounted in each threaded hole (19), and rotating discs (3) are fixedly arranged on outer end faces of the threaded rods (4).

5. The special fixture for machining precision slow-moving wire cutting parts, as claimed in claim 4, wherein: the front end face and the rear end face of each clamping plate (5) are provided with sliding grooves (21), the front end face and the rear end face of each secondary adjusting plate (6) are fixed with sliding blocks (20), and each secondary adjusting plate (6) is embedded into the corresponding sliding groove (21) through the sliding blocks (20) to be in sliding connection with the clamping plate (5).

6. The special fixture for machining precision slow-moving wire cutting parts, as claimed in claim 4, wherein: rubber blocks are arranged on opposite faces of the two secondary adjusting plates (6), and the structures of the rubber blocks are matched with those of the secondary adjusting plates (6).