CN210816906U

CN210816906U - Stamping die with magnetic attraction stabilizing device

Info

Publication number: CN210816906U
Application number: CN201921682147.8U
Authority: CN
Inventors: 陈爱国; 陈德国; 余孝林; 邓福根; 贺际兵; 谭兴平
Original assignee: Force Technology Shenzhen Co ltd
Current assignee: Force Technology Shenzhen Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-06-23
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to a stamping die with stabilising arrangement is inhaled to magnetism uses in the stamping die field, and it includes mould and die holder, a plurality of vertical guide bars that upwards extend of fixedly connected with on the die holder, go up mould and press fixed connection, and a plurality of guide bars run through the mould, and the lower fixed surface of going up the mould is equipped with the die, and a plurality of and die matched with nib have been seted up to the upper surface of die holder, have seted up a plurality of function grooves on the die holder, are equipped with the electro-magnet in the function groove, the degree of depth that highly is not higher than the function groove of electro-magnet. The utility model discloses have through setting up the electro-magnet, to the steel sheet material before the punching press and in the stamping process attract the location, the effect of the condition that the steel sheet material takes place the drunkenness and influences product quality when having reduced the punching press.

Description

Stamping die with magnetic attraction stabilizing device

Technical Field

The utility model belongs to the technical field of stamping die's technique and specifically relates to a stamping die with stabilising arrangement is inhaled to magnetism.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.

The existing stamping die conveys the steel sheet material to a lower die of the stamping die through a manual or mechanical device, and then a stamping machine is directly started to press the upper die downwards so as to stamp the steel sheet material on the lower die.

The above prior art solutions have the following drawbacks: when the device is used for stamping the steel plate, the steel plate is not fixed in the stamping process in order to facilitate feeding and discharging of the steel plate, so that the steel plate is easy to move and shift in the stamping process, and the stamping quality is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a stamping die with stabilising arrangement is inhaled to magnetism.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a stamping die with stabilising arrangement is inhaled to magnetism, includes mould and die holder, a plurality of vertical guide bars that upwards extend of fixedly connected with on the die holder, it is a plurality of to go up mould and press fixed connection the guide bar runs through the mould, the lower fixed surface of going up the mould is equipped with the die, a plurality of and die matched with nib have been seted up to the upper surface of die holder, a plurality of function grooves have been seted up on the die holder, be equipped with the electro-magnet in the function groove, the degree of depth that highly is not higher than the function groove of electro-magnet.

By adopting the technical scheme, after the material is stirred to move to the designated position, when the upper die is pressed down, a worker starts the electromagnet, and attracts the steel plate through the electromagnet, so that the steel plate is pressed against the upper surface of the lower die seat, the friction force between the whole steel plate and the lower die seat is increased, and the condition that the machining quality is influenced by the fact that the steel plate deviates and moves due to the fact that the stamping die applies pressure to the surface of the steel plate in the stamping process is reduced.

The utility model discloses further set up to: one side fixedly connected with of die holder presses the spring switch, press the spring switch and be connected with the electro-magnet electricity, when pressing the spring switch and being pushed down, electro-magnet and circuit intercommunication and begin work, work as when pressing the spring switch and restoring to the throne through self spring electro-magnet and circuit disconnection and stop work, fixedly connected with briquetting on the last mould lateral wall of pressing the spring switch top works as when going up mould and bed die conflict, the briquetting will press the spring switch and push down.

By adopting the technical scheme, when the upper die moves towards the lower die holder, the pressing block synchronously presses the pressing spring switch, so that the electromagnet is electrified to tightly suck the steel plate. Replace the staff through mechanical type automatic switch and operate the electro-magnet, when having practiced thrift the manpower, mechanical structure's automatic switch compares the automatic electric switch of programming, and its low in cost simple structure is convenient for operate and the maintenance.

The utility model discloses further set up to: the die comprises a die hole, a lower die seat and a die hole, and is characterized in that two limiting grooves are formed in the lower die seat, the two limiting grooves are distributed on two sides of the die hole, limiting plates are arranged in the two limiting grooves, each limiting plate is parallel to the feeding direction of a plate material, the limiting plates are divided into an upper plate and a lower plate which are parallel to each other, the upper plate is located right above the lower plate, the top end of the lower plate is lower than the notch of the limiting groove, two guide pillars are arranged on the lower plate, the two guide pillars penetrate into the upper plate, a plurality of limiting springs are fixedly connected between the lower plate and the upper plate, and when the limiting springs are in a natural state.

By adopting the technical scheme, when the steel plate is fed, the limiting plates which are parallel to the feeding track and distributed on two sides of the steel plate are used for limiting the steel plate in the width direction, the play of the steel plate in the direction vertical to the feeding direction is reduced when the steel plate is fed, and the quality problems of incomplete punching parts and the like caused by punching deflection in the punching process are reduced.

The utility model discloses further set up to: the limiting groove is internally provided with a plurality of dovetail grooves perpendicular to the limiting plate, the bottom end of the limiting plate is provided with a plurality of dovetail blocks, the dovetail blocks are respectively matched with the dovetail grooves, one side, located in the dovetail grooves, of the dovetail block, far away from the die hole is provided with a stop block, the stop block is matched with the dovetail grooves and slides along the dovetail grooves, the stop block penetrates through a bolt in the vertical direction, and the bolt is abutted to the bottom of the dovetail grooves.

Through adopting above-mentioned technical scheme, through the cooperation that sets up dovetail block and dovetail, be the direction that the limiting plate can follow the direction parallel of dovetail extension to being close to or keeping away from the direction motion in nib to carry out spacing the blockking to the dovetail block through the dog that has the bolt, thereby adjust the distance between the nib both sides limiting plate, and then make the limiting plate adapt to the steel sheet material of different width.

The utility model discloses further set up to: each all inlay on the upper plate and be equipped with a plurality of gyro wheels, the pivot of gyro wheel sets up along vertical direction.

Through adopting above-mentioned technical scheme, through inlaying on the upper plate and establishing the gyro wheel, the lateral wall that replaces the limiting plate through the gyro wheel directly supports tightly to the steel sheet material, has reduced the resistance that the steel sheet material received when the feeding to make the feeding process more smooth and easy, reduced the error of feeding size.

The utility model discloses further set up to: the two ends of the lower die holder, which are located in the feeding direction, are provided with press roll frames, the press roll frames are provided with roll shafts, the roll shafts are sleeved with pressing rolls, and the roll shafts are perpendicular to the feeding direction of the plates and parallel to the upper surface of the lower die holder.

By adopting the technical scheme, the steel sheet is positioned at two ends of the feeding direction of the stamping die and is compressed by the compression roller, so that the flatness of the steel sheet on the lower die base is improved, and the possibility of product quality reduction caused by the tilting and other conditions of the steel sheet in the feeding process is reduced.

The utility model discloses further set up to: the roller both ends are equipped with the slider, the spout has been seted up along the direction of height of compression roller frame on the compression roller frame, fixedly connected with pressure spring between the top of slider and the spout top inside wall.

Through adopting above-mentioned technical scheme, through the cooperation that sets up slider, spout and pressure spring, make the pinch roller can follow vertical direction and give way when compressing tightly the steel sheet material to make the pinch roller can compress tightly the steel sheet material of different thickness, promoted the application scope of pinch roller.

The utility model discloses further set up to: and the circumferential side wall of the pressing roller is coated with a rubber pad.

Through adopting above-mentioned technical scheme, through setting up the rubber pad, when reducing the pinch roller and skidding with the sheet material, when reducing the pinch roller and appearing the condition of surface unevenness owing to long-time the use, to the condition of steel sheet material surface fish tail, promoted the practicality of device.

To sum up, the utility model discloses a beneficial technological effect does:

1. the electromagnet is arranged to attract and position the steel plate before and during the stamping process, so that the situation that the steel plate moves to influence the product quality during stamping is reduced;

2. the limiting plate with the top end capable of descending synchronously along with the downward pressing of the upper die is arranged during stamping, so that the steel plate is positioned along the width direction, and the condition that the steel plate deviates in the feeding process is reduced;

3. the compression roller is arranged to compress the steel plate, so that the condition that the steel plate is not flat in the feeding direction in the feeding process is reduced, and the product quality is further guaranteed.

Drawings

Fig. 1 is a schematic axial side structure of the whole device.

Fig. 2 is a schematic cross-sectional view of a stopper plate structure for embodying the device.

FIG. 3 is a top view of the lower die base showing various features of the lower die base.

Fig. 4 is a schematic sectional view for embodying the structure of the pinch roller.

In the figure, 1, an upper die; 11. punching a die; 12. briquetting; 2. a lower die holder; 21. a die hole; 22. a functional groove; 221. an electromagnet; 23. pressing a spring switch; 24. a limiting groove; 241. a limiting plate; 2411. an upper plate; 2412. a lower plate; 2413. a guide post; 2414. a limiting spring; 2415. a dovetail block; 2416. a roller; 242. a dovetail groove; 243. a stopper; 244. a bolt; 3. a guide bar; 4. a roller frame; 41. a roll shaft; 42. a pressure roller; 43. a slider; 44. a chute; 45. a rubber pad; 46. compressing the spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, for the utility model discloses a stamping die with magnetic absorption stabilising arrangement, include along the direction of height cross-section for square last mould 1 and die holder 2, go up clamp plate fixed connection and the cross sectional area of mould 1 and press and be less than die holder 2, the lower base fixed connection of die holder 2 and press, a plurality of guide bars of fixedly connected with 3 on the lower base, a plurality of guide bars 3 all extend and correspond with 1 each corner position of last mould along vertical direction, each guide bar 3 all penetrates in mould 1, upward mould 1 moves from top to bottom along guide bar 3 under the drive of press. The lower surface of the upper die 1 is fixedly connected with a stamping die 11, a corresponding position on the upper surface of the lower die base 2 is provided with a die hole 21 matched with the stamping die 11, the lower die base 2 is provided with a functional groove 22, the functional groove 22 is arranged around the die hole 21, the bottom of the functional groove 22 is fixedly connected with a sheet-shaped electromagnet 221, and the upper surface of the electromagnet 221 is 2mm lower than the notch of the functional groove 22, so that the electromagnet 221 has enough attraction force on a steel plate when being electrified, and the upper die 1 is separated from the electromagnet 221 when being pressed downwards and abutted against the surface of the lower die base 2, thereby avoiding the situation that the electromagnet 221 is broken due to pressure bearing;

referring to fig. 1, a pressing spring switch 23 electrically connected with an electromagnet 221 is fixedly connected to one side of a lower die holder 2, a pressing block 12 is fixedly arranged at a corresponding position on the side wall of an upper die 1, the pressing block 12 is positioned right above the pressing spring switch 23, when the upper die 1 is pressed downwards and is abutted against a steel plate at a punch die 11, the pressing block 12 starts to press the pressing spring switch 23 to electrify the electromagnet 221, and when the upper die 1 is abutted against the lower die holder 2, the pressing spring switch 23 is completely abutted; when the upper die 1 returns and the pressing block 12 rises, the spring of the spring switch 23 is pressed to reset the switch, so that the electromagnet 221 is powered off, the electromagnet 221 attracts the steel plate material which completes the feeding action, and the possibility that the steel plate material moves in the stamping process to influence the quality of the stamped product is reduced.

Referring to fig. 2 and 3, two limiting grooves 24 are formed in the upper surface of the lower die holder 2, the two limiting grooves 24 are distributed on two sides of the die hole 21 in the feeding direction of the steel plate, a plurality of dovetail grooves 242 perpendicular to the feeding direction of the steel plate are formed in the limiting grooves 24, dovetail blocks 2415 slide in the dovetail grooves 242, the dovetail blocks 2415 in the limiting grooves 24 on the same side are fixedly connected with a limiting plate 241 together, the limiting plate 241 is parallel to the feeding direction of the steel plate, a stop block 243 matched with the dovetail grooves 242 slides on one side of each dovetail groove 242 in the direction away from the die hole 21 of the dovetail block 2415, a bolt 244 is connected to the stop block 243 in a threaded manner, and the bolt 244 penetrates through the stop block 243 and abuts against the bottom of the dovetail groove 242;

referring to fig. 2, the limiting plate 241 is uniformly divided into two parts, namely an upper plate 2411 and a lower plate 2412 along the height direction, guide posts 2413 are fixed at two ends of the outer wall of the top end of the lower plate 2412 in the length direction, the top ends of the guide posts are lower than the notches of the limiting grooves 24, the guide posts 2413 vertically extend upwards, the upper ends of the guide posts 2411 penetrate into the upper plate 2411, the upper plate 2411 moves up and down along the guide posts 2413, a plurality of limiting springs 2414 are fixedly connected between the upper plate 2411 and the lower plate 2412, the limiting springs 2414 are uniformly distributed along the length direction of the lower plate 2412, when the limiting springs 2414 are in a natural state, the upper plate 2411 partially extends out of the notches of the limiting grooves 24, and when the upper mold 1 abuts against the lower mold base 2. The upper plate 2411 is embedded with a plurality of rollers 2416, the rotating shafts of the rollers 2416 are arranged along the vertical direction, the resistance from the friction force of the upper plate 2411 when steel plate materials are fed is reduced through the rollers 2416, the position along the width direction when the steel plate materials are fed is limited through the limiting plate 241 parallel to the feeding direction, and the condition that the plate materials shift or move during stamping processing to influence the stamping processing quality is reduced.

Referring to fig. 4, lie in feeding direction's both sides fixedly connected with compression roller frame 4 on die holder 2, compression roller frame 4 is door type frame, spout 44 has all been seted up on relative one side on 4 two vertical boards of compression roller frame, sliding connection has slider 43 in two spouts 44, the equal fixedly connected with pressure spring 46 in upper end of two sliders 43, pressure spring 46 keeps away from slider 43's one end respectively with spout 44's upper end inner wall fixed connection, be connected with a roller 41 on the slider 43 of both ends jointly, roller 41 is perpendicular and parallel with the upper surface of die holder 2 with the feeding direction of steel sheet material. The roller shaft 41 is rotatably connected with a pressing roller 42, the circumferential side wall of the pressing roller 42 is coated with and bonded with a rubber pad 45, pressing rollers are arranged on two sides of the feeding direction, the steel sheet is pressed, the possibility that the steel sheet tilts in the feeding process along the feeding direction is reduced, and the stamping quality is further improved.

The implementation principle of the embodiment is as follows: the method comprises the following steps that firstly, a steel plate extends into a stamping die through the lower part of a pressing roller 42 at one side, the position of the steel plate in the width direction is limited through limiting plates 241 at two sides of the steel plate, when the steel plate reaches a specified position, a worker starts a press machine, the pressing plate of the press machine drives an upper die 1 to press downwards, and a push block presses downwards a pressing spring switch 23 to enable an electromagnet 221 to start working in the process that the upper die 1 presses downwards, so that the electromagnet 221 sucks the steel plate tightly, and the steel plate is reduced in movement;

when the upper die 1 collides with the upper plate 2411 of the limiting plate 241, the upper plate 2411 of the limiting plate 241 is pressed downward and retracted into the limiting groove 24, so that the pressing action of the upper die 1 on the steel plate is not hindered. When the stamping is finished and the upper die 1 returns, the push block is separated from the pressing spring switch 23, the electromagnet 221 is powered off and loses magnetic force, and attraction to the steel plate is stopped, so that the worker continues feeding to perform the next stamping operation.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a stamping die with stabilising arrangement is inhaled to magnetism which characterized in that: including last mould (1) and die holder (2), a plurality of vertical guide bar (3) that upwards extend of fixedly connected with are gone up in die holder (2), go up mould (1) and press fixed connection, it is a plurality of guide bar (3) run through mould (1), the lower fixed surface of going up mould (1) is equipped with die (11), a plurality of and die (11) matched with nib (21) have been seted up to the upper surface of die holder (2), a plurality of function groove (22) have been seted up on die holder (2), be equipped with electro-magnet (221) in function groove (22), the degree of depth that highly is not higher than function groove (22) of electro-magnet (221).

2. The stamping die with magnetic suction stabilizing device as claimed in claim 1, wherein: one side fixedly connected with of die holder (2) presses spring switch (23), press spring switch (23) and electro-magnet (221) electricity to be connected, electro-magnet (221) and circuit intercommunication and start work when pressing spring switch (23) are pushed down work as when pressing spring switch (23) reset through self spring electro-magnet (221) and circuit disconnection and stop work, fixedly connected with briquetting (12) on last mould (1) lateral wall of pressing spring switch (23) top work as when going up mould (1) and bed die conflict, briquetting (12) will press spring switch (23) and push down.

3. The stamping die with magnetic suction stabilizing device as claimed in claim 2, wherein: the lower die holder (2) is provided with two limiting grooves (24), the two limiting grooves (24) are distributed on two sides of the die hole (21), limiting plates (241) are arranged in the two limiting grooves (24), each limiting plate (241) is parallel to the feeding direction of the steel plate, the limiting plates (241) are divided into an upper plate (2411) and a lower plate (2412) which are parallel to each other, the upper plate (2411) is positioned right above the lower plate (2412), the top end of the lower plate (2412) is lower than the notch of the limiting grooves (24), two guide pillars (2413) are arranged on the lower plate (2412), the two guide pillars (2413) penetrate into the upper plate (2411), a plurality of limiting springs (2414) are fixedly connected between the lower plate (2412) and the upper plate (2411), and when the limiting springs (2414) are in a natural state, the top end of the upper plate (2411) extends out of the limiting grooves (24).

4. The stamping die with magnetic suction stabilizing device as claimed in claim 3, wherein: all seted up a plurality of dovetail (242) with limiting plate (241) vertical extension in spacing groove (24), limiting plate (241) bottom be equipped with a plurality ofly with dovetail (2415), dovetail (2415) respectively with each dovetail (242) looks adaptation, the one side that is located dovetail (2415) and keeps away from nib (21) in dovetail (242) all is equipped with dog (243), dog (243) just slide along dovetail (242) with dovetail (242) looks adaptation, dog (243) have followed vertical direction and have run through bolt (244), the conflict tank bottom of bolt (244) and dovetail (242).

5. The stamping die with magnetic suction stabilizing device as claimed in claim 3, wherein: a plurality of rollers (2416) are embedded on each upper plate (2411), and rotating shafts of the rollers (2416) are arranged along the vertical direction.

6. The stamping die with magnetic suction stabilizing device as claimed in claim 5, wherein: the two ends of the lower die holder (2) in the feeding direction are provided with compression roller frames (4), the compression roller frames (4) are provided with roller shafts (41), the roller shafts (41) are sleeved with compression rollers (42), and the roller shafts (41) are perpendicular to the feeding direction of the steel plate and parallel to the upper surface of the lower die holder (2).

7. The stamping die with magnetic suction stabilizing device as claimed in claim 6, wherein: the roller shaft (41) both ends are equipped with slider (43), spout (44) have been seted up along the direction of height of compression roller frame (4) on compression roller frame (4), fixedly connected with pressure spring (46) between the top of slider (43) and spout (44) top inside wall.

8. The stamping die with magnetic suction stabilizing device as claimed in claim 7, wherein: the circumferential side wall of the pressing roller (42) is coated with a rubber pad (45).