CN213223912U

CN213223912U - Stamping die capable of improving stamping precision

Info

Publication number: CN213223912U
Application number: CN202021991404.9U
Authority: CN
Inventors: 潘鹏
Original assignee: Alps Electronics Kunshan Co ltd
Current assignee: Alps Electronics Kunshan Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-05-18
Anticipated expiration: 2030-09-14

Abstract

The utility model relates to a stamping die technical field especially relates to a possesses stamping die who improves punching press precision, including board, stamping mechanism, biography power piece, blotter, upper die, bed die and demoulding mechanism, the top and the stamping mechanism fixed connection of board, the bottom of stamping mechanism free end and the top fixed connection who passes the power piece, two blotters fixed mounting respectively are in the top and the bottom that pass the power piece, fixed connection can be dismantled with the top of upper die to the bottom that passes the power piece, bed die fixed mounting is at the top of board, the bed die corresponds from top to bottom with last mould. The utility model discloses reached the purpose that improves stamping die self stamping accuracy, made stamping die reduce to the dependence of punch press precision, optional scope enlarges, and the unusual loss of mould reduces simultaneously, promotes mould comprehensive life-span, is particularly useful for accurate, the small-size continuous mould that blanking clearance, shaping clearance require relatively high to the quality of punching press has been improved.

Description

Stamping die capable of improving stamping precision

Technical Field

The utility model relates to a stamping die technical field especially relates to a stamping die who possesses improvement punching press precision.

Background

The die is combined with a punch (press machine) to realize the production process, an upper die of the die is locked on an upper workbench of the punch during production, a lower die is locked on a lower workbench, and the upper workbench drives the upper die to reciprocate along a guide rail of the punch and is matched with the lower die to realize the stamping production process.

The precision of the linear reciprocating motion of the die is guaranteed by guide elements such as guide columns, but the precision of the punch press can influence the precision of the die because the upper die base and the lower die base of the die are locked with the upper workbench and the lower workbench of the punch press, and if the parallelism of the upper workbench and the lower workbench of the punch press or the verticality of the guide rail is poor, the matching precision of the die can be influenced, so that the abnormal loss of the die guide elements and related parts in the die is caused. At present, the punching machine brands on the market are numerous, the precision is different, the service life of the punching machine is longer, the precision is not reduced in the using process, and negative effects are brought to the punching production process.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a possess stamping die who improves stamping precision has reached the purpose that improves stamping die self stamping precision, makes stamping die reduce to the dependence of punch press precision, and optional scope enlarges, and the unusual loss of mould reduces simultaneously, promotes mould comprehensive life, is particularly useful for accurate, the small-size continuous casting mold that blanking clearance, shaping clearance require relatively high to the quality of punching press has been improved.

(II) technical scheme

In order to realize the technical problem, the utility model provides a following technical scheme: the utility model provides a possess stamping die who improves punching press precision, includes board, punching press mechanism, biography power piece, blotter, upper mold, bed die and demoulding mechanism, the top and the punching press mechanism fixed connection of board, the bottom of punching press mechanism free end and the top fixed connection who passes the power piece, two blotters fixed mounting respectively in the top and the bottom of passing the power piece, fixed connection can be dismantled with the top of upper mold to the bottom that passes the power piece, bed die fixed mounting is at the top of board, the bed die corresponds from top to bottom with last mould, demoulding mechanism fixed mounting is on the bed die.

Further, punching press mechanism includes support frame, guide bar, sliding sleeve, connecting plate and punching press cylinder, the shape of support frame is the U font of handstand, support frame fixed mounting is at the top of board.

Furthermore, the quantity of guide bar is two, the top of two guide bars respectively with the both sides fixed connection at support frame inner wall top, the bottom of two guide bars respectively with the both sides fixed connection at board top, the sliding sleeve cover is established on the surface of guide bar, sliding sleeve and guide bar sliding connection.

Furthermore, the two sides of the connecting plate are fixedly connected with one side, opposite to the two sliding sleeves, of the connecting plate respectively, the bottom of the connecting plate is connected with the upper die, the stamping cylinder is fixedly installed at the top of the supporting frame, and the free end of the stamping cylinder is in transmission connection with the top of the connecting plate.

Further, the demolding mechanism comprises two guide cylinders, a limiting block, a demolding spring and a positioning rod, the two guide cylinders are fixedly installed on two sides of the lower mold respectively, and the limiting block is installed inside the guide cylinders in a sliding mode.

Further, the drawing of patterns spring is located the inside of guide cylinder, drawing of patterns spring's both ends respectively with the bottom of stopper and the bottom fixed connection of guide cylinder inner wall, the quantity of locating lever is two, two locating levers fixed mounting respectively in the both sides of last mould, the locating lever corresponds from top to bottom with the stopper.

Further, the bottom fixedly connected with of board moves the truckle, the quantity of moving the truckle is four, be provided with on the board and store the cabinet.

(III) advantageous effects

The utility model provides a possess stamping die who improves stamping accuracy possesses following beneficial effect:

1. because the force transfer block is arranged, the lower die is fixedly arranged on the machine platform, the upper die is detachably arranged on the bottom of the free end of the punching mechanism through the force transfer block, the force transfer block is connected with the pressure center position matched on the upper die, the reciprocating motion of the punching mechanism only applies the punching force on the upper die through the force transfer block to make the punching force move downwards, so as to complete the actions of punching, forming and the like, and the precision of the linear reciprocating motion of the upper die is mainly determined by the precision of the self-guide of the upper die at the moment, and the guide part of the die can be replaced after being worn, therefore, the influence of the precision of a punching machine on the precision of the die is effectively reduced, thereby achieving the purpose of improving the self-punching precision of the punching die, reducing the dependence of the punching die on the precision of the punching machine, expanding the selectable range, reducing the abnormal loss of, the punching die is particularly suitable for precise and small continuous dies with high requirements on blanking gaps and forming gaps, so that the punching quality is improved.

2. The utility model discloses because the setting of punching press mechanism, reciprocating drive power about the operation through punching press cylinder realizes, punching press cylinder's free end drives the connecting plate and reciprocates about going on, the straight line of cooperation sliding sleeve on the guide bar slides simultaneously, can restrict the action orbit of connecting plate, can keep straight-up straight down the state when making the downward punching press of last mould, consequently, the perpendicular corresponding state between last mould and the bed die has been guaranteed, dislocation or skew phenomenon appear when can avoiding the mould punching press, thereby the quality of punching press has been improved, the life of extension mould.

3. The utility model discloses because demoulding mechanism's setting, through the stopper in the inside slidable state of guide cylinder, when last mould moves down and carries out the punching press compound die with the bed die, the locating lever of going up the mould both sides is pegged graft to the inside of guide cylinder, and exert pressure lapse to the stopper, demoulding spring is in compression state, and after the punching press is ended, go up the mould and move the drawing of patterns upwards, demoulding spring relies on the elasticity effort of self to restore to the throne upwards and promotes the stopper, and the stamping workpiece is owing to receive the laminating of mould bottom and drag, consequently, it makes the mould drawing of patterns that makes progress and possesses certain elastic buffer space to make the drawing of patterns speed between the mould obtain promoting to rely on the elastic force this moment, and avoided the stamping workpiece to take place adhesion phenomenon with last mould, the positive product of drawing of patterns is.

Drawings

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

fig. 2 is a single schematic view of the force transfer block of the present invention;

fig. 3 is a schematic structural diagram of the demolding mechanism of the present invention.

In the figure: 1. a machine platform; 2. a stamping mechanism; 3. a force transfer block; 4. a cushion pad; 5. an upper die; 6. a lower die; 7. a demolding mechanism; 8. moving the caster; 21. a support frame; 22. a guide bar; 23. a sliding sleeve; 24. a connecting plate; 25. punching a cylinder; 71. a guide cylinder; 72. a limiting block; 73. a stripper spring; 74. and (5) positioning the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a stamping die capable of improving stamping precision comprises a machine table 1, a stamping mechanism 2, a force transmission block 3, cushion pads 4, an upper die 5, a lower die 6 and a demoulding mechanism 7, wherein the top of the machine table 1 is fixedly connected with the stamping mechanism 2, the bottom of the free end of the stamping mechanism 2 is fixedly connected with the top of the force transmission block 3, the two cushion pads 4 are respectively and fixedly arranged at the top and the bottom of the force transmission block 3, the bottom of the force transmission block 3 is detachably and fixedly connected with the top of the upper die 5, the lower die 6 is fixedly arranged at the top of the machine table 1, the lower die 6 corresponds to the upper die 5 up and down, the demoulding mechanism 7 is fixedly arranged on the lower die 6, the bottom of the machine table 1 is fixedly connected with movable trundles 8, the number of the movable trundles 8 is four, a storage cabinet is arranged on the machine table 1, due to the arrangement of the force transmission block 3, the lower die 6 is fixedly arranged on the machine table 1, and the, the pressure center position that the cooperation was last mould 5 is connected and is passed a power piece 3, the reciprocating motion of punching press mechanism 2 only applys punching press power through passing a power piece 3 and makes its downstream on last mould 5 to this accomplishes actions such as die-cut, shaping, and the straight line reciprocating motion precision of last mould 5 this moment, the precision that will mainly be guided by last mould self is decided, and the mould guide is worn and torn the back and can be changed, consequently, the influence of punch press precision to the mould precision will effectively reduce, consequently, the purpose of improving punching press mould self punching press precision has been reached, make punching press mould reduce to the dependence of punch press precision, optional scope enlarges, the unusual loss of mould reduces simultaneously, promote the mould comprehensive life-span, be particularly useful for blanking clearance, the precision that the shaping clearance required is higher, small-size continuous mold, thereby the quality of punching press has been improved.

The stamping mechanism 2 comprises a support frame 21, two guide rods 22, two sliding sleeves 23, a connecting plate 24 and a stamping cylinder 25, wherein the support frame 21 is in an inverted U shape, the support frame 21 is fixedly arranged at the top of the machine table 1, the number of the guide rods 22 is two, the top ends of the two guide rods 22 are respectively fixedly connected with the two sides of the top of the inner wall of the support frame 21, the bottom ends of the two guide rods 22 are respectively fixedly connected with the two sides of the top of the machine table 1, the sliding sleeves 23 are sleeved on the outer surfaces of the guide rods 22, the sliding sleeves 23 are slidably connected with the guide rods 22, the two sides of the connecting plate 24 are respectively fixedly connected with one side opposite to the two sliding sleeves 23, the bottom of the connecting plate 24 is connected with the upper die 5, the stamping cylinder 25 is fixedly arranged at the top of the support frame 21, the free end of the stamping cylinder 25 is in transmission, at this time, the free end of the stamping cylinder 25 drives the connecting plate 24 to reciprocate up and down, and meanwhile, the connecting plate 24 can be limited by the linear sliding of the sliding sleeve 23 on the guide rod 22, so that the upper die 5 can keep a straight-up and straight-down state during downward stamping, the vertical corresponding state between the upper die 5 and the lower die 6 is ensured, the phenomenon of dislocation or deviation during die stamping can be avoided, the stamping quality is improved, and the service life of the die is prolonged.

The demoulding mechanism 7 comprises two guide cylinders 71, two limit blocks 72, demoulding springs 73 and positioning rods 74, wherein the two guide cylinders 71 are respectively and fixedly arranged at two sides of the lower mould 6, the limit blocks 72 are slidably arranged in the guide cylinders 71, the demoulding springs 73 are positioned in the guide cylinders 71, two ends of the demoulding springs 73 are respectively and fixedly connected with the bottoms of the limit blocks 72 and the bottoms of the inner walls of the guide cylinders 71, the two positioning rods 74 are respectively and fixedly arranged at two sides of the upper mould 5, the positioning rods 74 vertically correspond to the limit blocks 72, due to the arrangement of the demoulding mechanism 7, the positioning rods 74 at two sides of the upper mould 5 are inserted into the guide cylinders 71 and apply pressure to the limit blocks 72 to slide downwards when the upper mould 5 moves downwards to carry out stamping and mould closing with the lower mould 6, demoulding spring 73 is in compression state, and after the punching press was ended, go up mould 5 and upwards act the drawing of patterns, drawing of patterns spring 73 relies on the elasticity of self to reset the effort and upwards promotes stopper 72, and the stamping workpiece is owing to receive the laminating of 5 bottoms of last mould to drag, consequently make last mould 5 upwards the drawing of patterns make and possess certain elastic buffer space, and rely on the elastic force at this moment to make the drawing of patterns speed between the mould obtain promoting, and avoided stamping workpiece and last mould 5 to take place the adhesion phenomenon, the positive product of drawing of patterns is gone on in having guaranteed.

In the using process, the lower die 6 is fixedly arranged on the machine table 1, the upper die 5 is detachably arranged on the bottom of the free end of the punching mechanism 2 through the force transmission block 3, the force transmission block 3 is connected with the pressure center position matched with the upper die 5, the reciprocating motion of the punching mechanism 2 only applies the punching force on the upper die 5 through the force transmission block 3 to enable the punching force to move downwards, so that the actions of punching, forming and the like are completed, at this time, the precision of the linear reciprocating motion of the upper die 5 is mainly determined by the precision of the self-guiding of the upper die, the die guide piece can be replaced after being worn, so the influence of the punching machine precision on the die precision is effectively reduced, therefore, the purpose of improving the self stamping precision of the stamping die is achieved, the dependency of the stamping die on the precision of a punch press is reduced, the selectable range is enlarged, the abnormal loss of the die is reduced, and the comprehensive service life of the die is prolonged.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a possesses stamping die who improves punching press precision, includes board (1), punching press mechanism (2), passes power piece (3), blotter (4), goes up mould (5), bed die (6) and demoulding mechanism (7), its characterized in that: the top and the punching press mechanism (2) fixed connection of board (1), the bottom of punching press mechanism (2) free end and the top fixed connection who passes power piece (3), two blotter (4) fixed mounting respectively are in the top and the bottom that passes power piece (3), fixed connection can be dismantled with the top of last mould (5) to the bottom that passes power piece (3), bed die (6) fixed mounting is at the top of board (1), bed die (6) correspond from top to bottom with last mould (5), demoulding mechanism (7) fixed mounting is on bed die (6).

2. The press die with the improved press accuracy as set forth in claim 1, wherein: punching press mechanism (2) include support frame (21), guide bar (22), sliding sleeve (23), connecting plate (24) and punching press cylinder (25), the shape of support frame (21) is the U font of handstand, support frame (21) fixed mounting is at the top of board (1).

3. The press die with the improved press accuracy as set forth in claim 2, wherein: the quantity of guide bar (22) is two, the top of two guide bar (22) respectively with the both sides fixed connection at support frame (21) inner wall top, the bottom of two guide bar (22) respectively with the both sides fixed connection at board (1) top, sliding sleeve (23) cover is established on the surface of guide bar (22), sliding sleeve (23) and guide bar (22) sliding connection.

4. The press die with the improved press accuracy as set forth in claim 2, wherein: the two sides of the connecting plate (24) are fixedly connected with the opposite sides of the two sliding sleeves (23) respectively, the bottom of the connecting plate (24) is connected with the upper die (5), the stamping cylinder (25) is fixedly installed at the top of the supporting frame (21), and the free end of the stamping cylinder (25) is in transmission connection with the top of the connecting plate (24).

5. The press die with the improved press accuracy as set forth in claim 1, wherein: the demolding mechanism (7) comprises two guide cylinders (71), a limiting block (72), demolding springs (73) and positioning rods (74), the two guide cylinders (71) are fixedly installed on two sides of the lower mold (6) respectively, and the limiting block (72) is installed inside the guide cylinders (71) in a sliding mode.

6. The press die with the improved press accuracy as set forth in claim 5, wherein: the demolding structure is characterized in that the demolding spring (73) is located inside the guide cylinder (71), two ends of the demolding spring (73) are fixedly connected with the bottom of the limiting block (72) and the bottom of the inner wall of the guide cylinder (71) respectively, the number of the positioning rods (74) is two, the two positioning rods (74) are fixedly mounted on two sides of the upper die (5) respectively, and the positioning rods (74) correspond to the limiting block (72) up and down.

7. The press die with the improved press accuracy as set forth in claim 1, wherein: the bottom fixedly connected with of board (1) moves truckle (8), the quantity of moving truckle (8) is four, be provided with on board (1) and store the cabinet.