CN214382891U

CN214382891U - Punching die

Info

Publication number: CN214382891U
Application number: CN202120051703.2U
Authority: CN
Inventors: 黄景明; 陈镇海; 贺茂伍; 贺茂松
Original assignee: Fujian Ouleide Furniture Co ltd
Current assignee: Fujian Ouleide Furniture Co ltd
Priority date: 2021-01-09
Filing date: 2021-01-09
Publication date: 2021-10-12
Anticipated expiration: 2031-01-09

Abstract

The application relates to the technical field of punching devices, in particular to a punching die, which comprises an upper die base and a lower die base, wherein the top of the lower die base is provided with an accommodating cavity for accommodating sectional materials; still include first driving source and ejector pin, the one end that first driving source was kept away from to the ejector pin is located ejecting intracavity, the other end and the first driving source drive of ejector pin are connected, first driving source sets up on the die holder, first driving source is used for controlling the flexible section bar of ejecting pole to the holding intracavity and ejecting from the liftout opening with the holding intracavity. The application relates to a punching die which has the effect of conveniently demoulding punched sectional materials.

Description

Punching die

Technical Field

The application relates to the technical field of punching devices, in particular to a punching die.

Background

The punching die is a device for punching a section bar, and the Chinese patent with the publication number of CN206747374U discloses a punching die which comprises a lower die holder, wherein a hole is formed in the lower die holder; the die is arranged and limited on the lower die base, a blank placing position for positioning blanks is arranged on the die, and a guide cutting edge channel is arranged on the die; the guide plate is arranged on and limited on the lower die base and positioned on the upper side of the female die, a male die guide channel is arranged on the guide plate, and the axis of the male die guide channel, the axis of the material guide cutting edge channel and the axis of the hole are coaxially arranged; the punching die further comprises an impact block and a male die, wherein the male die is accommodated in the male die guiding channel, and the male die is matched with the female die to shear a blank placed on a blank placing position under the striking of the impact block and then sequentially passes through the material guiding cutting edge channel and the hole together with sheared materials.

In view of the above-mentioned related art, the inventors consider that there is a defect that the punching die in the related art is inconvenient to demold the punched section.

SUMMERY OF THE UTILITY MODEL

In order to improve the inconvenient defect of drawing of patterns to the section bar after punching a hole of the cut-out press among the relevant art, this application provides a cut-out press.

The application provides a punching die adopts following technical scheme:

a punching die comprises an upper die holder and a lower die holder, wherein the top of the lower die holder is provided with an accommodating cavity for accommodating sectional materials, the bottom of the upper die holder is provided with a punching die head, the lower die holder is provided with an ejection cavity, the ejection cavity is communicated with the accommodating cavity, and one side of the accommodating cavity, which is far away from the ejection cavity, is provided with an ejection outlet; still include first driving source and ejector pin, the one end that first driving source was kept away from to the ejector pin is located ejecting intracavity, the other end and the first driving source drive of ejector pin are connected, first driving source sets up on the die holder, first driving source is used for controlling the flexible section bar of ejecting pole to the holding intracavity and ejecting from the liftout opening with the holding intracavity.

Through adopting above-mentioned technical scheme, because the top of die holder is provided with the holding chamber that is used for the holding section bar, through placing the holding intracavity with the section bar, then punch a hole to the section bar through the die head that punches a hole on the upper die base, after the section bar finishes punching a hole, first driving source control knockout pin is ejecting from ejecting to the section bar to the realization is convenient carries out the effect of drawing of patterns to the section bar after punching a hole.

Preferably, the length direction of the ejection cavity is parallel to the length direction of the accommodating cavity.

By adopting the technical scheme, the length direction of the ejection cavity is parallel to that of the containing cavity, so that the ejection rod is parallel to that of the section bar in the containing cavity, the ejection rod cannot impact the side wall of the containing cavity after being ejected, and the service life of the lower die holder is prolonged.

Preferably, the die holder includes base and lower die stage, the fixed setting of lower die stage is on the base, the fixed setting of first driving source is on the base, first driving source drive is connected with the telescopic link, the one end drive that first driving source was kept away from to the telescopic link is connected with the seat of sliding, the seat of sliding slides and sets up on the base, ejector pin fixed connection is on the lateral wall that telescopic link one side was kept away from to the seat of sliding.

Through adopting above-mentioned technical scheme, because the die holder includes base and lower die stage, the lower die stage is fixed to be set up on the base, the first driving source is fixed to be set up on the base, the drive of first driving source is connected with the seat that slides, the seat that slides sets up on the base, ejector pin fixed connection is on the lateral wall that telescopic link one side was kept away from to the seat that slides, through the removal of first driving source drive seat that slides, the seat that slides drives ejector pin and removes to stability when making ejector pin remove obtains improving.

Preferably, the seat of sliding includes connecting block and sliding block, first driving source drive is connected with the telescopic link, the one end fixed connection of first driving source is kept away from to connecting block and telescopic link, the one end that the telescopic link was kept away from to the connecting block is provided with the connecting rod, the connecting rod sets up to two, two the one end and the sliding block fixed connection of telescopic link are kept away from to the connecting rod, the sliding block slides and sets up on the base, ejector pin fixed connection is on the lateral wall that telescopic link one side was kept away from to the sliding block.

Through adopting above-mentioned technical scheme, because the seat that slides includes connecting block and sliding block, first driving source drive is connected with the telescopic link, the one end fixed connection of first driving source is kept away from to connecting block and telescopic link, the one end that the telescopic link was kept away from to the connecting block is provided with two connecting rods, the one end and the sliding block fixed connection of telescopic link are kept away from to two connecting rods, through the removal of two connecting rods control sliding block, thereby make more stable the moving on the base of sliding block.

Preferably, the two connecting rods are arranged in parallel, and are distributed on two sides of the sliding block along the length direction.

Through adopting above-mentioned technical scheme, because two connecting rods are parallel to each other and set up, and two connecting rods distribute in the both sides of sliding block along length direction for two connecting rods of connecting block drive sliding block and remove, and then stability when making sliding block remove further improves.

Preferably, the base is provided with a slide rail, the direction of the slide rail is parallel to the length direction of the ejection rod, the bottom of the sliding block is provided with a roller, and the roller is connected in the slide rail in a sliding manner.

Through adopting above-mentioned technical scheme, because be provided with the slide rail on the base, the direction of slide rail is parallel with the length direction of ejector pin, and the bottom of sliding block is provided with the gyro wheel, and the gyro wheel slides and connects in the slide rail to reduce the frictional force between sliding block and the base, and then be favorable to first driving source control sliding seat to remove.

Preferably, the mounting groove has been seted up to the holding intracavity, the gliding is provided with the stopper in the mounting groove, be provided with the second driving source in the mounting groove, second driving source stopper drive is connected, the second driving source is used for controlling the stopper and stretches out the mounting groove outside or the holding is inboard at the mounting groove, second driving source electric connection has main control unit, main control unit still with second driving source electric connection.

Through adopting above-mentioned technical scheme, it is provided with the stopper to slide in the mounting groove, still is provided with the second driving source in the mounting groove, and the second driving source is used for controlling the stopper and stretches out the mounting groove outside or the holding is inboard at the mounting groove, and when the stopper holding was inboard at the mounting groove, the section bar can be in the ejecting holding chamber outside under the effect of knock-out lever, and when the stopper stretches out the mounting groove outside, the stopper had the effect of restriction section bar in the holding intracavity to improve the stability of section bar when punching a hole.

Preferably, the top of the lower die base is fixedly provided with a plurality of guide posts, and the bottom of the upper die base is fixedly provided with a plurality of guide holes for the guide posts to be inserted into.

By adopting the technical scheme, the top of the lower die base is fixedly provided with the guide posts, and the bottom of the upper die base is fixedly provided with the guide holes for the guide posts to be inserted, so that the accuracy of the upper die base and the lower die base during die assembly is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

after the section is punched, the first driving source controls the ejection rod to eject the section from the ejection opening, so that the effect of conveniently demoulding the punched section is realized;

the base is provided with the slide rail, the direction of the slide rail is parallel to the length direction of the ejection rod, the bottom of the sliding block is provided with the roller, and the roller is connected in the slide rail in a sliding manner, so that the friction force between the sliding block and the base is reduced, and the first driving source is favorable for controlling the sliding seat to move;

through being provided with stopper and second driving source in the mounting groove, the second driving source is used for controlling the stopper and stretches out the mounting groove outside or the holding is inboard at the mounting groove, and when the stopper holding was inboard at the mounting groove, the section bar can be in the ejecting holding chamber outside under the effect of liftout pole, and when the stopper stretches out the mounting groove outside, the stopper had the effect of restriction section bar in the holding intracavity to improve the stability of section bar when punching a hole.

Drawings

Fig. 1 is a schematic structural view of a punching die according to a first embodiment of the present application.

Fig. 2 is a schematic structural diagram of a receiving cavity for protruding in an embodiment of the present application.

Fig. 3 is an exploded view of the upper die base and the lower die base according to the first embodiment of the present application.

Fig. 4 is a schematic structural view of a punching die according to a second embodiment of the present application.

Fig. 5 is a schematic structural view of a punching die according to a third embodiment of the present application.

Fig. 6 is a sectional view of the mounting groove of the third embodiment of the present application.

Description of reference numerals: 1. An upper die holder; 2. a lower die holder; 3. a base; 4. a lower die table; 5. an accommodating cavity; 6. ejecting the cavity; 7. a first drive source; 8. ejecting the rod; 9. a top outlet; 10. a telescopic rod; 11. a sliding seat; 12. connecting blocks; 13. a sliding block; 14. a connecting rod; 15. a slide rail; 16. a roller; 17. a punching die head; 18. a guide hole; 19. a guide post; 20. a first buffer block; 21. a second buffer block; 22. mounting grooves; 23. a drive rod; 24. a second drive source; 25. and a limiting block.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The first embodiment is as follows: referring to fig. 1, the punching die disclosed in the embodiment of the present application includes an upper die base 1 and a lower die base 2, the lower die base 2 includes a base 3 and a lower die table 4, and the lower die table 4 is fixedly disposed above the base 3.

Referring to fig. 1 and 2, a receiving cavity 5 for receiving a profile is formed in the top of the lower mold table 4, a longitudinal section of the receiving cavity 5 is rectangular, and one edge of the receiving cavity 5 is vertically arranged downward.

The containing cavity 5 is communicated with an ejection cavity 6, the ejection cavity 6 is located on the end wall of one side of the containing cavity 5, the longitudinal section of the ejection cavity 6 is rectangular, the longitudinal section area of the ejection cavity 6 is smaller than that of the containing cavity 5, and one edge of the containing cavity 5 is vertically arranged downwards.

The base 3 is fixedly provided with a first driving source 7, the first driving source 7 is in driving connection with an ejector rod 8, one end, far away from the first driving source 7, of the ejector rod 8 is located in an ejector cavity 6, the longitudinal section of the ejector rod 8 is also set to be rectangular, the ejector rod 8 is ejected to a containing cavity 5 under the action of the first driving source 7, and one side, far away from the ejector cavity 6, of the containing cavity 5 is provided with an ejection outlet 9. In the present embodiment, the first drive source 7 is a cylinder.

First driving source 7 drive is connected with telescopic link 10, the one end drive that first driving source 7 was kept away from to telescopic link 10 is connected with the seat 11 that slides, the seat 11 that slides includes connecting block 12 and sliding block 13, the one end and the connecting block 12 fixed connection of first driving source 7 are kept away from to telescopic link 10, the one end that telescopic link 10 was kept away from to connecting block 12 is provided with two connecting rods 14, two connecting rods 14 are parallel to each other, the one end and the sliding block 13 fixed connection of telescopic link 10 are kept away from to two connecting rods 14, two connecting rods 14 are located sliding block 13 respectively along length direction's both sides, 8 fixed connection of ejector rod are on sliding block 13 keeps away from the lateral wall of telescopic link 10 one side, sliding block 13 slides and sets up on base 3.

Referring to fig. 2 and 3, the upper die base 1 is located above the lower die base 2, a punching die head 17 is arranged at the bottom of the upper die base 1, the punching die head 17 is located above the accommodating cavity 5, four guide holes 18 are further formed in the bottom of the upper die base 1, four guide posts 19 are further fixedly arranged at the top of the lower die base 2, and when the upper die base 1 and the lower die base 2 are assembled, the four guide posts 19 are all inserted into the four guide holes 18.

The top of die holder 2 still is provided with a plurality of first buffer blocks 20, the bottom of upper die base 1 is still fixed and is provided with a plurality of second buffer blocks 21, when die holder 2 and 1 compound die of upper die base, first buffer block 20 is contradicted with 1 of upper die base, second buffer block 21 is contradicted with die holder 2, being provided with of first buffer block 20 and second buffer block 21 does benefit to the impact force when reducing die holder 2 and 1 compound die of upper die base, thereby make cut-out press's life obtain improving.

The implementation principle of the punching die in the embodiment of the application is as follows: the sectional material is placed in the accommodating cavity 5 firstly, then the sectional material is punched through the punching die head 17 on the upper die holder 1, after the punching of the sectional material is finished, the upper die holder 1 and the lower die holder 2 are separated, and then the first driving source 7 controls the ejector rod 8 to eject the sectional material in the sectional material from the ejection opening 9 of the accommodating cavity 5, so that the punched sectional material is conveniently demolded.

Example two:

referring to fig. 4, a slide rail 15 is arranged on the base 3, the length direction of the slide rail 15 is parallel to the length direction of the ejection cavity 6, a roller 16 is arranged at the bottom of the sliding block 13, and the roller 16 is connected in the slide rail 15 in a sliding manner.

The arrangement of the sliding rail 15 and the roller 16 reduces the friction force between the sliding block 13 and the base 3, thereby being beneficial to the first driving source 7 to control the sliding seat 11 to move on the base 3.

Example three:

referring to fig. 5 and 6, the holding chamber 5 is provided with mounting groove 22 in ejecting opening 9, mounting groove 22 is located the bottom lateral wall of ejecting opening 9, mounting groove 22 internal fixation is provided with second driving source 24, second driving source 24 drive is connected with actuating lever 23, the fixed stopper 25 that is provided with of one end that second driving source 24 was kept away from to actuating lever 23, one section of stopper 25 extends to the mounting groove 22 outside, stopper 25 is used for limiting the position of section bar in holding chamber 5, be favorable to improving the stability of section bar when punching a hole. In the present embodiment, the second driving source 24 is a cylinder.

The second driving source 24 is electrically connected with a main controller, the main controller is further in driving connection with the second driving source 24, when the second driving source 24 drives the ejection rod 8 to eject, the second driving source 24 transmits a signal to the main controller, the main controller transmits the signal to the second driving source 24, and the second driving source 24 controls the limiting block 25 to be accommodated in the mounting groove 22, so that the sectional material is ejected normally by the ejection rod 8.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A punching die is characterized in that: the die comprises an upper die holder (1) and a lower die holder (2), wherein the top of the lower die holder (2) is provided with an accommodating cavity (5) for accommodating sectional materials, the bottom of the upper die holder (1) is provided with a punching die head (17), the lower die holder (2) is provided with an ejection cavity (6), the ejection cavity (6) is communicated with the accommodating cavity (5), and one side of the accommodating cavity (5) far away from the ejection cavity (6) is provided with an ejection outlet (9);

still include first driving source (7) and ejector pin (8), the one end that first driving source (7) were kept away from in ejector pin (8) is located ejecting chamber (6), the other end and first driving source (7) drive connection of ejector pin (8), first driving source (7) set up on die holder (2), first driving source (7) are used for controlling ejector pin (8) flexible to holding chamber (5) in and ejecting from liftout opening (9) with the section bar in holding chamber (5).

2. The punching die of claim 1, wherein: the length direction of the ejection cavity (6) is parallel to the length direction of the accommodating cavity (5).

3. A punching die according to claim 2, wherein: die holder (2) include base (3) and lower mould platform (4), lower mould platform (4) are fixed to be set up on base (3), holding chamber (5) set up under on mould platform (4), first driving source (7) are fixed to be set up on base (3), first driving source (7) drive is connected with telescopic link (10), the one end drive that first driving source (7) were kept away from in telescopic link (10) is connected with seat (11) that slides, seat (11) that slides sets up on base (3), ejector rod (8) fixed connection is on the lateral wall that telescopic link (10) one side was kept away from in seat (11) that slides.

4. A punching die according to claim 3, wherein: slide seat (11) including connecting block (12) and sliding block (13), the one end fixed connection of first driving source (7) is kept away from to connecting block (12) and telescopic link (10), the one end that telescopic link (10) were kept away from in connecting block (12) is provided with connecting rod (14), connecting rod (14) set up to two, two the one end and sliding block (13) fixed connection of telescopic link (10) are kept away from in connecting rod (14), sliding block (13) slide and set up on base (3), ejector rod (8) fixed connection is on sliding block (13) keep away from the lateral wall of telescopic link (10) one side.

5. The punching die of claim 4, wherein: the two connecting rods (14) are arranged in parallel, and the two connecting rods (14) are distributed on two sides of the sliding block (13) along the length direction.

6. The punching die of claim 5, wherein: be provided with slide rail (15) on base (3), the direction of slide rail (15) is parallel with the length direction of knock-out pole (8), the bottom of sliding block (13) is provided with gyro wheel (16), gyro wheel (16) slide and connect in slide rail (15).

7. The punching die of claim 6, wherein: set up mounting groove (22) in holding chamber (5), the internal slip of mounting groove (22) is provided with stopper (25), be provided with second driving source (24) in mounting groove (22), second driving source (24) are connected with stopper (25) drive, second driving source (24) are used for controlling stopper (25) and stretch out the mounting groove (22) outside or the holding is inboard in mounting groove (22), second driving source (24) electric connection has main control unit, main control unit still with second driving source (24) electric connection.

8. A punching die according to claim 1 or 7, wherein: the top of the lower die holder (2) is fixedly provided with a plurality of guide columns (19), and the bottom of the upper die holder (1) is fixedly provided with a plurality of guide holes (18) for the guide columns (19) to be inserted into.