CN210280981U

CN210280981U - Wire cutting device for die machining

Info

Publication number: CN210280981U
Application number: CN201921183948.XU
Authority: CN
Inventors: 陈奕超; 贺申虎
Original assignee: Chongqing Hexiufeng Electronic Co Ltd
Current assignee: Chongqing Hexiufeng Electronic Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-10
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to the field of mold processing, in particular to a linear cutting device for mold processing, which comprises a clamping table, wherein four clamping mechanisms are arranged on the clamping table, each clamping mechanism comprises a fixed block fixedly connected on the clamping table and a clamping block slidably connected on the clamping table, and an elastic part is connected between each clamping block and the fixed block; the vertical removal in below of centre gripping platform has the step board, is connected with the piece that resets on the step board, is connected with link gear between step board and the grip block. This scheme has realized more simple and convenient among the mould wire-electrode cutting process to the quick location of mould.

Description

Wire cutting device for die machining

Technical Field

The utility model relates to a mould processing field especially relates to a wire cutting device is used in mould processing.

Background

The wire cutting, also called wire electrical discharge machining, the working principle of the wire cutting is to use the wire electrode as the tool electrode, under the action of the pulse power supply, namely one pole of the pulse power supply is connected with the workpiece, the other pole of the pulse power supply is connected with the wire electrode, through the discharge of the pulse power supply, the spark discharge is formed between the tool electrode and the workpiece, and the emitted spark generates a large amount of heat instantly, so that the surface of the workpiece is melted or vaporized, and the cutting of the workpiece is completed.

The parts of the notebook computer need to be formed in a mold, for example, the housing of the notebook computer needs to be formed by stamping in the mold, so that the housing of the notebook computer has a convex edge. Be adapted to and be equipped with four vertical fixed slots that set up on the mould of notebook computer shell usually to be convenient for fix the mould to the punching press bench. The fixed slot on the mould is mostly formed through the processing of wire-electrode cutting mode, when carrying out the wire-electrode cutting to the mould, needs fix a position the mould, avoids the mould to remove to make more accurate among the wire-electrode cutting process. However, when the mold is positioned, the four clamping blocks are required to clamp four sides of the mold respectively, and when the clamping blocks are used for clamping the mold at each time, different clamping blocks are required to be operated manually in sequence, so that each clamping block is loosened or clamped in sequence, the operation is troublesome, and the positioning speed of the mold is slow.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wire cutting device is used in mould processing to the realization is tight to the quick location clamp of mould.

In order to achieve the above purpose, the technical scheme of the utility model is that: a linear cutting device for die machining comprises a clamping table, wherein four clamping mechanisms are arranged on the clamping table, each clamping mechanism comprises a fixed block fixedly connected to the clamping table and a clamping block slidably connected to the clamping table, and an elastic part is connected between each clamping block and the corresponding fixed block; the vertical removal in below of centre gripping platform has the step board, is connected with the piece that resets on the step board, is connected with link gear between step board and the grip block.

The working principle of the scheme is as follows: the clamping mechanism is used for clamping a wire cutting die. The linkage mechanism is used for driving the clamping block to slide on the clamping table. Before the mould is put on fixture, through acting on the pedal with the foot, vertical displacement takes place for the pedal, and the pedal makes the piece that resets produce deformation and hold power. The pedal drives the clamping blocks on the four clamping mechanisms to move towards the fixed block on the clamping table through the linkage mechanism, so that the four clamping blocks are opened, the mold is conveniently placed between the clamping blocks, and meanwhile, the clamping blocks also enable the elastic piece to deform to store force. After the mold is placed between the clamping blocks, the pedal is released, the pedal resets under the action of the resetting piece, meanwhile, the action of the pedal on the linkage mechanism disappears, and the clamping blocks reset under the action of the elastic piece to be close to the mold, so that the mold is automatically clamped. After the grip block cliied the mould, the elastic component can provide certain pressure for the grip block to the centre gripping of mould, so the elastic component in this scheme not only can make the grip block reset and be close to the mould to still can provide certain clamping-force, make the mould centre gripping more stable.

When the technical scheme is adopted, the pedal is trampled, so that four clamping mechanisms can be controlled simultaneously, clamping blocks on the four clamping mechanisms are automatically opened simultaneously, the clamping blocks on the four clamping mechanisms are not required to be manually opened one by one, the operation is simple and convenient, and the opening speed of the clamping blocks is improved. When the pedal is not trampled, the clamping blocks on the four clamping mechanisms automatically reset to clamp the die, manual operation is not needed to reset the clamping blocks one by one, and resetting is rapid. To sum up, this scheme makes the grip block loosen and the centre gripping process is all very rapid, has realized quick fixed, the location of mould, has improved the efficiency of location, and easy operation is convenient.

Furthermore, a sliding rod is fixedly connected to the clamping block, a sliding hole is formed in the fixing block, and the sliding rod penetrates through the sliding hole and is in sliding connection with the sliding hole. Therefore, the sliding rod slides in the sliding hole, so that a certain guiding effect can be achieved on the sliding of the clamping block on the clamping table, and the sliding of the clamping block is stable.

Furthermore, the link gear includes fixed pulley and stay cord, and the fixed pulley includes fixed connection and rotates the wheel body of connection on the pulley yoke at the pulley yoke on the centre gripping platform, and the both ends of stay cord are fixed connection respectively on the tip that the grip block was kept away from to pedal and slide bar, and the stay cord strides and establishes on the wheel body. From this, when trampling the pedal, the pedal moves down, and the pedal is the pulling rope downwards, and the stay cord drives the wheel body rotation of fixed pulley, and the wheel body plays the effect of turn over direction to the stay cord. And the pull rope pulls one end of the slide rod, which is far away from the clamping block, so that the clamping block is close to the fixed block, and power is enhanced for the movement of the clamping block.

Furthermore, the bottom of the clamping table is fixedly connected with a vertically arranged support rod, and the pedal is vertically connected to the support rod in a sliding manner. From this, the bracing piece supports the centre gripping platform, and the vertical sliding connection of pedal is on the bracing piece, and the bracing piece has played the effect of direction to the vertical slip of pedal for the vertical removal of pedal is more stable.

Furthermore, a through groove is arranged on the clamping table. During actual processing, need cut the corner of mould through the electrode silk, the setting that leads to the groove can make vertical electrode silk enter into leading to the groove and carry out the line cutting to four corners of mould, and then forms vertical fixed slot, has avoided the centre gripping platform to cause the interference to the removal of electrode silk.

Furthermore, one side of the clamping block, which is far away from the fixed block, is provided with an elastic friction layer. The friction layer can increase the friction between the clamping block and the die, so that the clamping block can clamp the die more stably. Because the friction layer is elastic, when the clamping block clamps the die, the friction layer deforms, and the die is prevented from being damaged due to the fact that the clamping block is high in hardness and clamping force.

Further, a pedal is provided with a pedal portion. The treading part is used for treading on the treading plate.

Further, the reset piece is a spring. The spring is a common reset piece, and is convenient to purchase and install.

Furthermore, the bottom fixedly connected with bottom plate of bracing piece, the both ends of spring fixed connection respectively are on bottom plate and step board, and the outside cover of spring is equipped with a telescopic cylinder. Therefore, the two ends of the spring are connected to the pedal and the bottom plate, when the pedal is stepped, the pedal moves downwards to be close to the bottom plate, and the spring between the bottom plate and the pedal is deformed to store force. The length of the telescopic cylinder can be automatically changed according to the distance between the pedal and the bottom plate, the telescopic cylinder can limit the spring, and the middle part of the telescopic cylinder is prevented from being bent when the spring is compressed.

Furthermore, the link gear includes the live-rollers, and the winding has the stay cord on the live-rollers, and the stay cord is kept away from the one end fixed connection of live-rollers on the tip that the grip block was kept away from to the slide bar, coaxial fixedly connected with gear on the live-rollers, and the meshing has the rack of vertical setting on the gear, and the bottom fixed connection of rack is on the step board. From this, when trampling the footboard downwards, the footboard downstream, the footboard drives rack downstream, and the rack drives gear revolve, and the gear drives the live-rollers rotation, and the live-rollers twines the stay cord, and the stay cord is pulled the one end that the grip block was kept away from to the slide bar to make two relative grip blocks keep away from each other and open. When the pedal is loosened, the clamping block resets under the action of the elastic piece, the clamping block drives the slide rod to move reversely, the slide rod drives the pull rope to move reversely, the pull rope enables the rotating roller to rotate reversely, meanwhile, the pedal moves upwards under the action of the resetting piece, the pedal drives the rack to move upwards, and the rack drives the gear to rotate reversely, so that the rotating roller rotates reversely, the pull rope is released, and the slide rod is adapted to slide.

Drawings

FIG. 1 is a longitudinal sectional view of a wire cutting apparatus for die processing in example 1;

FIG. 2 is a perspective view of a holding table and a pedal in embodiment 1;

FIG. 3 is a plan view of a holding table and a holding mechanism in embodiment 1;

fig. 4 is a longitudinal sectional view of a wire cutting device for die processing in example 2.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a support rod 1, a bottom plate 2, a pedal 3, a pull rope 4, a clamping table 5, a fixed block 6, a clamping block 7, a pulley frame 8, a wheel body 9, a pressure spring 10, a slide rod 11, a spring 12, a telescopic cylinder 13, a stepping part 14, a through groove 15, a rack 19, a rotating roller 20 and a roller frame 21.

Example 1

Substantially as shown in figure 1: the utility model provides a wire cutting device is used in mould processing, is including transversely placing the grip slipper 5, through the bracing piece 1 of four vertical settings of screw fixedly connected with on the bottom of grip slipper 5, and the bottom of bracing piece 1 is through the horizontal bottom plate 2 of placing of screw fixedly connected with, and vertical sliding connection has pedal 3 on the bracing piece 1, and the concrete sliding connection mode of bracing piece 1 and pedal 3 is in this embodiment: four vertical holes are arranged on the pedal 3, and the four support rods 1 are respectively connected in the four vertical holes in a sliding manner. As shown in fig. 2, the tip of the pedal 3 is a pedal portion 14. Be connected with the piece that resets between step 3 and the bottom plate 2, the piece that resets in this embodiment is spring 12, and the both ends of spring 12 weld respectively on step 3 and bottom plate 2, and the outside cover of spring 12 is equipped with telescopic tube 13, and telescopic tube 13 in this embodiment establishes for two hollow section of thick bamboos each other and forms, through two hollow section of thick bamboos sliding connection to telescopic tube 13 has been realized and has been stretched out and drawn back according to bottom plate 2 and the distance between step 3.

As shown in fig. 3, four clamping mechanisms are arranged on the clamping table 5, each clamping mechanism in this embodiment includes a fixed block 6 fixedly connected to the clamping table 5 through a screw and a clamping block 7 slidably connected to the clamping table 5, specifically, a sliding rod 11 is welded to the clamping block 7, a sliding hole is formed in the fixed block 6, the sliding rod 11 is slidably connected to the sliding hole, one end of the sliding rod 11, which is far away from the clamping block 7, is located outside the sliding hole, and therefore, the sliding rod 11 slides in the sliding hole, so that the relative movement between the clamping block 7 and the fixed block 6 is realized, and the sliding of the clamping block 7 on the clamping table 5 is further realized. Be connected with the elastic component between grip block 7 and the fixed block 6, it is specific, the elastic component in this embodiment is pressure spring 10, and pressure spring 10 cover is established on slide bar 11, and pressure spring 10 is located between grip block 7 and fixed block 6, and the both ends welding of pressure spring 10 is on fixed block 6 and grip block 7. The side part of the sliding rod 11, which is far away from the clamping block 7, is welded with a clamping block, the fixing block 6 is positioned between the clamping block and the clamping block 7, and the clamping block can be abutted against the side surface, which is far away from the clamping block 7, of the fixing block 6, so that the sliding of one end, which is far away from the clamping block 7, of the sliding rod 11 from the sliding hole can be prevented when the clamping block 7 moves away from the fixing block 6. The elastic friction layer is bonded on the surface, far away from the fixed block 6, of the clamping block 7, the friction layer in the embodiment is made of rubber, and stripes are arranged on the rubber, so that the effect of increasing the friction between the clamping block 7 and the die is achieved.

A linkage mechanism is connected between the pedal 3 and the clamping block 7. The linkage mechanism in this embodiment includes four fixed pulleys and four stay cords 4, and the fixed pulleys include pulley yoke 8 of connecting on four sides of centre gripping platform 5 through screw fixed connection and rotate the wheel body 9 of connecting on pulley yoke 8 through the pivot, and the both ends of stay cord 4 are tied respectively on pedal 3 and the tip that grip block 7 was kept away from to slide bar 11, and stay cord 4 in this embodiment is wire rope, and stay cord 4 strides over wheel body 9. Referring to fig. 2 and 3, the holding table 5 is provided with through grooves 15 which are mutually crossed, and the through grooves 15 allow the wire electrode to pass through, so that interference caused by movement of the wire electrode by the holding table 5 can be avoided, and the wire electrode can pass through the through grooves 15 to act on a mold clamped by the clamping block 7. In this embodiment, the electrode wire is used to cut the die, which belongs to the existing wire cutting mode and needs no more description here.

The specific implementation process is as follows: the mold is placed in front of the clamping mechanism, a stepping part 14 on the pedal 3 is stepped downwards by feet, the pedal 3 is subjected to a stepping force to move downwards along the support rod 1, the pedal 3 enables the spring 12 to generate deformation to contract and store force, and the telescopic cylinder 13 contracts along with the spring 12. In the downward movement process of the pedal 3, the pedal 3 downwards pulls four pull ropes 4, when the pull ropes 4 move, the wheel body 9 is driven to rotate, the four pull ropes 4 respectively pull the sliding rod 11 connected with the four pull ropes, the sliding rod 11 drives the clamping block 7 to slide towards the direction close to the fixed block 6, the distance extending out of the sliding hole in the fixed block 6 is gradually longer at the end, away from the clamping block 7, of the sliding rod 11, the distance between the fixed block 6 and the clamping block 7 is shortened, and the compressed spring 10 between the fixed block 6 and the clamping block 7 is compressed to store force. Because four grip blocks 7 all move towards fixed block 6 direction, so make the distance between two relative grip blocks 7 grow, the space between the grip block 7 grow, be convenient for put the mould between grip block 7. When the mold is placed between the clamping blocks 7, the pedal 3 is released, the pedal 3 moves upwards under the action of the spring 12 to reset, and the telescopic cylinder 13 extends along with the pedal. Meanwhile, the pedal 3 does not have downward pulling force on the pull rope 4, and the clamping block 7 is reset under the action of the pressure spring 10 to be close to the mold, so that the mold is automatically clamped. After the clamping block 7 clamps the mold, the pressure spring 10 can provide certain pressure for the clamping block 7 to clamp the mold, so that the mold is clamped more stably.

From this, through this embodiment, need not the manual work and make four grip blocks 7 open one by one and press from both sides the mould tightly one by one for grip block 7 unclamps with the centre gripping process rapider, has realized the quick fixation and the location of mould, has improved the efficiency of location, and easy operation is convenient.

Example 2

Referring to fig. 4, the present embodiment provides another linkage mechanism, the linkage mechanism includes a rotating roller 20 and a roller frame 21, the roller frame 21 is fixed on four sides of the clamping table 5 through screws, a roller shaft of the rotating roller 20 is rotatably connected to the roller frame 21, a pull rope 4 is wound on the rotating roller 20, one end of the pull rope 4, which is far away from the rotating roller 20, is fastened to an end of the sliding rod 11, which is far away from the clamping block 7, a gear is coaxially welded on the rotating roller 20, a vertically arranged rack 19 is engaged on the gear, and a bottom of the rack 19 is welded on the pedal 3.

Therefore, when the pedal 3 is stepped downwards, the pedal 3 moves downwards, the pedal 3 drives the rack 19 to move downwards, the rack 19 drives the gear to rotate, the gear drives the rotating roller 20 to rotate, the rotating roller 20 winds the pull rope 4, the pull rope 4 pulls one end, far away from the clamping blocks 7, of the sliding rod 11, the clamping blocks 7 are close to the fixing blocks 6, the two opposite clamping blocks 7 are far away from each other to be opened, and then a mold is placed between the clamping blocks 7. After the pedal 3 is loosened, the clamping block 7 is reset under the action of the pressure spring 10, the clamping block 7 drives the sliding rod 11 to move reversely, the sliding rod 11 drives the pull rope 4 to move reversely, the pull rope 4 enables the rotating roller 20 to rotate reversely, the pull rope 4 is released to be lengthened, meanwhile, the pedal 3 moves upwards under the action of the spring 12, the pedal 3 drives the rack 19 to move upwards, the rack 19 drives the gear to rotate reversely, so that the rotating roller 20 rotates reversely, the rotating roller 20 releases the pull rope 4, and the situation that the clamping block 7 cannot be reset to clamp a mold because the pull rope 4 pulls the sliding rod 11 is avoided.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the present invention and the practicability of the patent. The technology, shape and construction parts which are not described in the present invention are all known technology.

Claims

1. The utility model provides a wire cutting device is used in mould processing, includes the grip slipper, be equipped with four fixture on the grip slipper, its characterized in that: the clamping mechanism comprises a fixed block fixedly connected to the clamping table and a clamping block connected to the clamping table in a sliding manner, and an elastic part is connected between the clamping block and the fixed block; the clamping table is characterized in that a pedal is vertically moved below the clamping table, a reset piece is connected to the pedal, and a linkage mechanism is connected between the pedal and the clamping block.

2. The wire cutting device for die processing according to claim 1, wherein: the clamping block is fixedly connected with a sliding rod, the fixed block is provided with a sliding hole, and the sliding rod penetrates through the sliding hole and is in sliding connection with the sliding hole.

3. The wire cutting device for die processing according to claim 2, wherein: the linkage mechanism comprises a fixed pulley and a pull rope, the fixed pulley comprises a pulley yoke fixedly connected to the clamping table and a wheel body rotatably connected to the pulley yoke, two ends of the pull rope are fixedly connected to the end portions, far away from the clamping block, of the pedal and the slide bar respectively, and the pull rope is arranged on the wheel body in a spanning mode.

4. The wire cutting device for die processing according to claim 1, wherein: the bottom of the clamping table is fixedly connected with a vertically arranged support rod, and the pedal is vertically and slidably connected to the support rod.

5. The wire cutting device for die processing according to claim 1, wherein: and a through groove is formed in the clamping table.

6. The wire cutting device for die processing according to claim 1, wherein: and one side of the clamping block, which is far away from the fixed block, is provided with an elastic friction layer.

7. The wire cutting device for die processing according to claim 1, wherein: the pedal is provided with a pedal part.

8. The wire cutting device for die processing according to claim 4, wherein: the reset piece is a spring.

9. The wire cutting device for die processing according to claim 8, wherein: the bottom of the supporting rod is fixedly connected with a bottom plate, two ends of the spring are respectively and fixedly connected to the bottom plate and the pedal, and a telescopic cylinder is sleeved on the outer side of the spring.

10. The wire cutting device for die processing according to claim 2, wherein: the linkage mechanism comprises a rotating roller, a pull rope is wound on the rotating roller, one end, far away from the rotating roller, of the pull rope is fixedly connected to the end portion, far away from the clamping block, of the sliding rod, a gear is coaxially and fixedly connected to the rotating roller, a vertically arranged rack is meshed to the gear, and the bottom of the rack is fixedly connected to the pedal.