CN111531034A

CN111531034A - Linkage type stamping die

Info

Publication number: CN111531034A
Application number: CN202010386515.5A
Authority: CN
Inventors: 汪煜; 胡峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-08-14

Abstract

The invention relates to a linkage type stamping die which comprises a base, an L-shaped frame, a stamping cylinder, an upper die, a lower die and a propping ring, wherein the L-shaped frame is arranged at the rear end of the base, the upper end of the L-shaped frame is connected with the upper die through the stamping cylinder, the lower die is arranged in the middle of the base, the upper die and the lower die are arranged up and down, and the propping ring is arranged at the left end of the base. The invention can solve the problems that the lower die and the base of the existing stamping die are always fixedly connected, the operation is needed from right above when the flange sheet is manually placed or taken out, at the moment, the hand of a person is completely positioned between the upper die and the lower die, and when the hand is not timely pulled out due to the long time interval for placing or taking out the flange sheet by the person, the falling upper die is easy to cause the injury to the hand which is difficult to recover and the like.

Description

Linkage type stamping die

Technical Field

The invention relates to the field of stamping dies, in particular to a linkage type stamping die.

Background

Stamping die, in cold stamping process, with material metal or non-metal processing become part or semi-manufactured goods's a special processing equipment, need utilize stamping die to its stamping deformation in flange piece course of working, to the traditional stamping process of flange piece, adopt semi-automatization punching press mode usually, put into the lower mould with the flange piece for the manual work usually, go up the decline of mould and carry out the punching press to the flange piece, however, in traditional stamping process, some problems can often be met:

the existing lower die and the base are often fixedly connected, the flange plate needs to be operated directly above the existing lower die when being placed or taken out manually, at the moment, the hand of a person is completely positioned between the upper die and the lower die, the time interval of descending of the upper die is the same, when the person places or takes out the flange plate for a long time and does not take out the hand in time, the falling upper die easily causes injury which is difficult to recover to the hand.

Disclosure of Invention

Technical scheme (I)

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a linkage type stamping die, includes base, L type frame, stamping cylinder, goes up mould, bed die and supports and lean on the ring, the rear end of base install L type frame, the upper end of L type frame is passed through stamping cylinder and is connected with last mould, the mid-mounting of base has the bed die, and goes up and arrange from top to bottom between mould and the bed die, the left end of base is installed and is supported the ring.

Go up the mould including connecting the lid, removable section of thick bamboo, the mould head, flexible pipe, the circle frame, work the groove, stop gear, the link group and two linkage racks, connect the lid and be connected with the ejecting end of punching press cylinder, connect and be connected for screw-thread fit between the upper end of lid and removable section of thick bamboo, the link group is evenly installed at the lower extreme edge of removable section of thick bamboo, the lower extreme middle part of removable section of thick bamboo passes through the connecting piece and is connected with the mould head, even there is flexible pipe between removable section of thick bamboo and the circle frame, the work groove has evenly been seted up on the circle frame, be equipped with stop gear in the work groove, two linkage racks are.

Stop gear including receiving the piece, the stopper, built-in spring and extrusion piece, receive the piece and be connected with the work groove through sliding fit's mode, the stopper is installed to the outer end that receives the piece, it has built-in spring to receive the inner of piece and to link between the work groove, built-in spring plays the effect that resets, the lower extreme in work groove passes through sliding fit's mode and is connected with the extrusion piece, concrete during operation, when placing a section of thick bamboo and the laminating of the lower extreme of circle frame, the extrusion piece receives the extrusion of placing a section of thick bamboo and rises, thereby drive and receive the piece internalization, it is no longer spacing to the linkage rod group to receive the piece.

The bed die include two mounting panels, place a section of thick bamboo, two rotary gear, the screens groove, stop mechanism, barrier plate and iron plate, both ends fixed mounting has two rotary gear around placing a section of thick bamboo, initial condition place a section of thick bamboo and be the state to the right bank, do benefit to placing of personnel with the flange piece, and place a section of thick bamboo, go up the linkage design between the mould, when placing a section of thick bamboo and be in the tilt state, it does not descend to go up the mould, arouse personnel can put into the flange piece safely to a certain extent, intermeshing between rotary gear and the linkage rack, be connected for the bearing between rotary gear's outer end and the mounting panel, the mounting panel is installed on the base, place a section of thick bamboo and evenly seted up the screens groove along its circumference, the inside in screens groove is equipped with stop mechanism, the lower extreme in screens groove is connected through the middle part of round pin axle with.

When the punching machine works, a single flange piece is placed into the placing cylinder, the lower end of the flange piece is abutted and limited through the stop plate, the upper die is driven to descend integrally through the punching cylinder, the placing cylinder is driven to be in a horizontal state under the coordination of the linkage rack and the rotating gear, at the moment, the lower end of the placing cylinder is sucked through the abutting ring, the linkage rack and the rotating gear in the descending state are in an unmeshed state, the upper die continues to descend under stress, the flange piece is punched through the die head, after the punching is finished, the placing cylinder and the lower end of the circular frame are in a joint state, at the moment, the position between the detachable cylinder and the circular frame is unlocked after the stop mechanism is pressed, then, the circular frame is kept still, the detachable cylinder is driven by the punching cylinder to continue to descend, so that the stop plate at the moment is not extruded, the stop plate is turned downwards under the heavy pressure of the flange piece, the lower end face of the flange sheet is not supported, so that the flange sheet falls down, the upper die is driven to rise back through the stamping cylinder, and during rising back, the linkage rack and the rotary gear are meshed again to drive the placing cylinder to rotate by an angle.

Preferably, the lower end of the compression block is provided with an extrusion groove, the inner end side wall of the extrusion groove is of a structure which gradually inclines inwards from top to bottom, and the upper end face of the extrusion block is tightly attached to the inner end side wall of the extrusion groove.

Preferably, the linkage rod group comprises a linkage rod, a reset spring and a blocked block, the upper end of the linkage rod is installed at the lower end of the detachable cylinder, the middle of the linkage rod is located in the working groove, the reset spring is connected between the detachable cylinder and the round frame, the linkage rod is located inside the reset spring, the linkage rod is located on the outer side of the telescopic pipe, and the blocked block is installed on the side wall of the middle of the linkage rod.

Preferably, the positions of the clamping grooves correspond to those of the working grooves, and the number of the clamping grooves is the same as that of the working grooves.

Preferably, the stop mechanism including block piece, coupling spring, screens piece, work spring, connect rope and linkage board, block that the piece passes through sliding fit's mode and screens groove connection, even there is coupling spring between screens groove and the upper end that blocks the piece, block the inside movable groove that has seted up of piece, and be connected for sliding fit between movable groove and the screens piece, screens piece even has work spring with the middle part in movable groove, the outer end that blocks the piece passes through sliding fit's mode and is connected with the linkage board, even there is the connection rope between linkage board and the screens piece.

Preferably, the abutting ring is of an arc-shaped structure, and an electromagnet is arranged at the upper end of the abutting ring.

(II) advantageous effects

1. According to the linkage type stamping die, a linkage type design concept is adopted, so that the orderly operation of firstly flattening a placing cylinder, then stamping and then blanking is realized in the integral operation process, the condition that a hand is pressed and injured due to the fact that a person takes out a flange sheet slowly is avoided in an automatic blanking mode, the safety of the person is ensured, and meanwhile the integral working efficiency is improved;

2. according to the linkage type stamping die, the placing cylinder is rotatably connected with the base, when a flange sheet needs to be placed, the placing cylinder is in an inclined state, when the flange sheet needs to be stamped, the placing cylinder is in a horizontal state, the inclined placing cylinder is beneficial to manual placing, in addition, the hand of a person is not completely positioned between the upper die and the lower die during placing, when the upper die accidentally falls down, the hand can be quickly drawn out by the person, and the safety of the person is ensured;

3. according to the linkage type stamping die, the upper die and the lower die are in a mechanical linkage design mode, so that the die head firstly stamps the flange sheet, after stamping, the position between the detachable cylinder and the round frame is unlocked, the detachable cylinder drives the linkage rod to descend, the angle of the blocking plate is unlocked, the stamped flange sheet can be pressed to blank, operation is carried out orderly, the possibility of injury of personnel is reduced, meanwhile, manual taking out is converted into a mechanical blanking mode, and the overall stamping efficiency is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a cross-sectional view of FIG. 1 of the present invention;

FIG. 3 is an enlarged view of the invention in section X of FIG. 2;

fig. 4 is a Y-direction partial enlarged view of fig. 2 of the present invention.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 4, a linkage type stamping die comprises a base 1, an L-shaped frame 2, a stamping cylinder 3, an upper die 4, a lower die 5 and a support ring 6, wherein the L-shaped frame 2 is installed at the rear end of the base 1, the upper end of the L-shaped frame 2 is connected with the upper die 4 through the stamping cylinder 3, the lower die 5 is installed in the middle of the base 1, the upper die 4 and the lower die 5 are arranged up and down, and the support ring 6 is installed at the left end of the base 1.

Go up mould 4 including connecting lid 41, removable section of thick bamboo 42, the mould head 43, flexible pipe 44, round frame 45, work groove 46, stop gear 47, linkage rod group 48 and two linkage racks 49, it is connected to connect the ejecting end of lid 41 and punching press cylinder 3, it is connected for screw-thread fit to connect between the upper end of lid 41 and removable section of thick bamboo 42, linkage rod group 48 is evenly installed at the lower extreme edge of removable section of thick bamboo 42, the lower extreme middle part of removable section of thick bamboo 42 is passed through the connecting piece and is connected with mould head 43, the change can be dismantled to mould head 43, it has flexible pipe 44 to link between removable section of thick bamboo 42 and the round frame 45, work groove 46 has evenly been seted up on the round frame 45, be equipped with stop gear 47 in the work groove 46, two linkage racks 49 are installed at.

Limiting mechanism 47 include and receive the piece 471, stopper 472, built-in spring 473 and extrusion piece 474, receive the piece 471 and be connected with work groove 46 through sliding fit's mode, stopper 472 is installed to the outer end that receives the piece 471, it has built-in spring 473 to receive between the inner of piece 471 and the work groove 46, built-in spring 473 plays the effect that resets, the lower extreme of work groove 46 passes through sliding fit's mode and is connected with extrusion piece 474, during concrete work, when placing a section of thick bamboo 52 and the laminating of the lower extreme of circle frame 45, extrusion piece 474 receives the extrusion of placing a section of thick bamboo 52 and rises, thereby it moves inwards to drive receives the piece 471, it is no longer spacing to linkage pole group 48 to receive the piece 471.

The lower die 5 comprises two mounting plates 51, a placing barrel 52, two rotating gears 53, a blocking groove 54, a blocking mechanism 55, a blocking plate 56 and an iron block 57, wherein the two rotating gears 53 are fixedly mounted at the front end and the rear end of the placing barrel 52, the placing barrel 52 in an initial state is in a right-inclined state, the flange plate placing by a person is facilitated, the placing barrel 52 and the upper die 4 are in linkage design, when the placing barrel 52 is in an inclined state, the upper die 4 does not descend, the person can be reminded to safely place the flange plate to a certain extent, the rotating gears 53 are meshed with a linkage rack 49, the outer end of the rotating gear 53 is connected with the mounting plates 51 through a bearing, the mounting plates 51 are mounted on the base 1, the blocking groove 54 is uniformly formed in the placing barrel 52 along the circumferential direction of the placing barrel 52, the blocking mechanism 55 is arranged inside the blocking groove 54, the lower end of the blocking groove 54 is connected with the middle of, an iron block 57 is mounted on the lower side of the left end of the placing cylinder 52.

During the concrete work, a single flange piece is placed into the placing cylinder 52, the lower end of the flange piece is abutted and limited through the blocking plate 56, the upper die 4 is driven to descend integrally through the stamping cylinder 3, the placing cylinder 52 is driven to be in a horizontal state under the matching of the linkage rack 49 and the rotating gear 53, at the moment, the lower end of the placing cylinder 52 is sucked through the abutting ring 6, the linkage rack 49 and the rotating gear 53 in the descending state are in a non-meshed state, the upper die 4 is stressed to descend continuously, the flange piece is stamped through the die head 43, after the stamping is finished, the placing cylinder 52 and the lower end of the circular frame 45 are in a joint state, at the moment, the position between the detachable cylinder 42 and the circular frame 45 is unlocked after the limiting mechanism 47 is pressed, then, the position of the circular frame 45 is kept motionless, the detachable cylinder 42 is driven by the stamping cylinder 3 to descend continuously, so as to unlock the blocking mechanism 55, and the blocking plate 56 is not extruded, under the heavy pressure of the flange piece, the stop plate 56 is turned downwards, the lower end face of the flange piece is not supported, so that the flange piece falls down, the upper die 4 is driven to rise back through the stamping cylinder 3, and when the upper die rises back, the linkage rack 49 and the rotary gear 53 are meshed again to drive the placing cylinder 52 to rotate in an angle.

The lower end of the pressure receiving block 471 is provided with an extrusion groove, the inner end side wall of the extrusion groove is of a structure which gradually inclines inwards from top to bottom, the upper end face of the extrusion block 474 is tightly attached to the inner end side wall of the extrusion groove, the extrusion block 474 is extruded and ascended by the placing barrel 52, the ascending extrusion block 474 extrudes the extrusion groove, and the pressure receiving block 471 is driven to move inwards under the guidance of the extrusion groove.

The linkage rod group 48 comprises a linkage rod 481, a return spring 482 and a blocking block 483, the upper end of the linkage rod 481 is installed at the lower end of a detachable cylinder 42, the middle part of the linkage rod 481 is positioned in a working groove 46, the return spring 482 is connected between the detachable cylinder 42 and a circular frame 45, the return spring 482 plays a role in reset connection, the linkage rod 481 is positioned in the return spring 482, the linkage rod 481 is positioned on the outer side of an extension tube 44, the blocking block 483 is installed on the side wall of the middle part of the linkage rod 481, when the linkage rod 481 works specifically, after the compression block 471 is pressed and moved inwards, the compression block 471 is separated from the blocking block 483, at the moment, the position between the detachable cylinder 42 and the circular frame 45 is unlocked, then, the circular frame 45 is kept in position, the detachable cylinder 42 is driven by a stamping cylinder 3 to continue to descend, the linkage rod 481 descends synchronously, the descending linkage rod 481 extrudes a linkage plate 556 and descends, the descending blocking block 553 drives a blocking block 553, therefore, the positioning with the placing cylinder 52 is not carried out, at the moment, the stop block 551 can move up and down, so that the positioning of the stop plate 56 is weakened, at the moment, the upper end of the flange piece can be pressed down through the mold head 43 which continuously descends, the stop plate 56 is turned downwards under the pressure of the flange piece, and the flange piece falls after being pressed.

The positions of the detent grooves 54 correspond to those of the working grooves 46, and the number of the detent grooves 54 is the same as that of the working grooves 46.

The blocking mechanism 55 comprises a blocking block 551, a connecting spring 552, a clamping block 553, a working spring 554, a connecting rope 555 and a linkage plate 556, the blocking block 551 is connected with the clamping groove 54 in a sliding fit manner, the lower end face of the blocking block 551 is tightly attached to the upper end face of the outer side of the blocking plate 56, the connecting spring 552 is connected between the clamping groove 54 and the upper end of the blocking block 551, the connecting spring 552 plays a role of reset connection, a movable groove is formed in the blocking block 551 and is connected with the clamping block 553 in a sliding fit manner, the clamping block 553 at an initial position is in an embedded relationship with the placing barrel 52, the blocking block 551 is ensured to abut against the upper end of the outer side of the blocking plate 56 at the moment, the condition that a flange plate falls from the placing barrel 52 is avoided, the working spring 554 is connected between the clamping block 553 and the middle part of the movable groove, the outer end of the blocking block 551 is connected with the linkage plate 556 in a sliding fit manner, a connecting rope 555 is connected between the linkage plate 556 and the blocking block 553.

The abutting ring 6 is of an arc-shaped structure, and an electromagnet is arranged at the upper end of the abutting ring 6 to play a role in magnetic attraction.

When in work:

s1, placing the single flange plate into the placing cylinder 52, and abutting and limiting the lower end of the flange plate through the stop plate 56;

s2, the upper die 4 is driven to wholly descend through the stamping cylinder 3, the placing cylinder 52 is driven to be in a horizontal state under the matching of the linkage rack 49 and the rotating gear 53, at the moment, the lower end of the placing cylinder 52 is sucked through the abutting ring 6, and the linkage rack 49 and the rotating gear 53 in the descending state are in an unmeshed state;

s3, continuing to descend under the stress of the upper die 4, stamping the flange sheet through the die head 43, after the stamping is finished, contacting and attaching the descending circular frame 45 with the upper end face of the placing cylinder 52, and unlocking the position between the detachable cylinder 42 and the circular frame 45 after the limiting mechanism 47 is pressed;

s4, then, the position of the circular frame 45 is kept stationary, the detachable barrel 42 is driven by the stamping cylinder 3 to continuously descend, the linkage rod 481 which synchronously descends extrudes the linkage plate 556 to descend, the clamping block 553 is driven by the connecting rope 555 to move outwards, and therefore the positioning unlocking between the detachable barrel and the placing barrel 52 is realized, the upper end of the flange plate is pressed downwards through the descending die head 43, the blocking plate 56 is turned downwards under the action of pressure, and the flange plate is blanked after being pressed.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a linkage type stamping die, includes base (1), L type frame (2), stamping cylinder (3), upper die (4), bed die (5) and supports and lean on ring (6), its characterized in that: the rear end of the base (1) is provided with an L-shaped frame (2), the upper end of the L-shaped frame (2) is connected with an upper die (4) through a stamping cylinder (3), the middle part of the base (1) is provided with a lower die (5), the upper die (4) and the lower die (5) are arranged up and down, and the left end of the base (1) is provided with a leaning ring (6);

the upper die (4) comprises a connecting cover (41), a detachable cylinder (42), a die head (43), an extension pipe (44), a round frame (45), a working groove (46), a limiting mechanism (47), a linkage rod group (48) and two linkage racks (49), the connecting cover (41) is connected with the ejection end of the punching cylinder (3), the connecting cover (41) is in threaded fit connection with the upper end of the detachable cylinder (42), the edge of the lower end of the detachable tube (42) is uniformly provided with a linkage rod group (48), the middle part of the lower end of the detachable tube (42) is connected with the die head (43) through a connecting piece, telescopic pipes (44) are connected between the detachable cylinder (42) and the round frame (45), working grooves (46) are uniformly formed in the round frame (45), limiting mechanisms (47) are arranged in the working grooves (46), two linked racks (49) are arranged at the front end and the rear end of the detachable cylinder (42);

the limiting mechanism (47) comprises a pressed block (471), a limiting block (472), an internal spring (473) and an extrusion block (474), the pressed block (471) is connected with the working groove (46) in a sliding fit manner, the limiting block (472) is installed at the outer end of the pressed block (471), the internal spring (473) is connected between the inner end of the pressed block (471) and the working groove (46), and the lower end of the working groove (46) is connected with the extrusion block (474) in a sliding fit manner;

lower mould (5) include two mounting panels (51), place a section of thick bamboo (52), two rotating gear (53), screens groove (54), stop gear (55), barrier plate (56) and iron plate (57), place a front and back both ends fixed mounting of section of thick bamboo (52) have two rotating gear (53), intermeshing between rotating gear (53) and linkage rack (49), be connected for the bearing between the outer end of rotating gear (53) and mounting panel (51), mounting panel (51) are installed on base (1), place a section of thick bamboo (52) and go up evenly to have seted up screens groove (54) along its circumference, the inside of screens groove (54) is equipped with stop gear (55), the lower extreme of screens groove (54) is connected through the middle part of round pin axle with barrier plate (56), place the left end downside of a section of thick bamboo (52) and install iron plate (57).

2. A linked stamping die as claimed in claim 1, wherein: the lower end of the pressure receiving block (471) is provided with an extrusion groove, the inner end side wall of the extrusion groove is of a structure which gradually inclines inwards from top to bottom, and the upper end surface of the extrusion block (474) is tightly attached to the inner end side wall of the extrusion groove.

3. A linked stamping die as claimed in claim 1, wherein: linkage pole group (48) include gangbar (481), reset spring (482) and block (483) that hinders, the lower extreme at removable section of thick bamboo (42) is installed to the upper end of gangbar (481), the middle part of gangbar (481) is located work groove (46), even have reset spring (482) between removable section of thick bamboo (42) and circle frame (45), and gangbar (481) are located the inside of reset spring (482), gangbar (481) are located the outside of flexible pipe (44), install on the middle part lateral wall of gangbar (481) and receive block (483).

4. A linked stamping die as claimed in claim 1, wherein: the positions of the clamping grooves (54) correspond to those of the working grooves (46), and the quantity of the clamping grooves (54) is the same as that of the working grooves (46).

5. A linked stamping die as claimed in claim 1, wherein: the blocking mechanism (55) comprises a blocking block (551), a connecting spring (552), a clamping block (553), a working spring (554), a connecting rope (555) and a linkage plate (556), the blocking block (551) is connected with a clamping groove (54) in a sliding fit mode, the connecting spring (552) is connected between the clamping groove (54) and the upper end of the blocking block (551), a movable groove is formed in the blocking block (551), the movable groove is connected with the clamping block (553) in a sliding fit mode, the working spring (554) is connected between the clamping block (553) and the middle of the movable groove, the outer end of the blocking block (551) is connected with the linkage plate (551) in a sliding fit mode, and the connecting rope (555) is connected between the linkage plate (556) and the clamping block (556).

6. A linked stamping die as claimed in claim 1, wherein: the abutting ring (6) is of an arc-shaped structure, and an electromagnet is arranged at the upper end of the abutting ring (6).