CN107399056A

CN107399056A - Side core-pulling blanking die

Info

Publication number: CN107399056A
Application number: CN201710880191.9A
Authority: CN
Inventors: 胡程远
Original assignee: Cixi Tian Yang Ancient Tree Industrial Design Co Ltd
Current assignee: Xinchang Weikang Electronic Technology Co., Ltd.
Priority date: 2017-09-26
Filing date: 2017-09-26
Publication date: 2017-11-28
Anticipated expiration: 2037-09-26
Also published as: CN107399056B

Abstract

The invention discloses a kind of side core-pulling blanking die, include the ejecting structure of the horizontal direction of the through hole core-pulling device of horizontal direction, ejecting mechanism drive device and product (1)；The piston rod free end of drive cylinder (18) is be hinged with No.1 drive rod (11), and No. two drive rods (12) roll with escapement (17) and connected；Through hole core-pulling device includes the arc tooth plate (21) of engagement connection and horizontally arranged side core bar (20), arc tooth plate (21) is connected by linkage with No. two drive rods (12), product knock-pin (4) is horizontally arranged, and be connected by the upper end of the first driving gear set (5) and rack-plate (10), rack-plate (10) lower end is connected by link gear with escapement (17).After above structure, also prevent potential safety hazard while greatly improving production efficiency, while substantially reduce the cost of production equipment.

Description

Side core-pulling blanking die

Technical field

The present invention relates to the technical field of mould, is especially a kind of side core-pulling blanking die.

Background technology

At present, the upper majority of in life or production can use plastic products, and a big chunk reason is because they are easy One-shot forming is into complicated shape, than product 1 as shown in Figure 1, although it is a simple product, in U-shaped side wall On be additionally provided with through hole 1-1, therefore, the core pulling action of through hole can be first carried out in mold design, then carries out the ejection of product again Action.But this mould structure has the drawback that：On the one hand, because the stripping direction of product is vertical direction, therefore Product is when taking out, it is necessary to is that vertical direction takes out product, so, the opening stroke of upper mould will be designed to very Greatly, in order to which operating personnel are taken out product, and opening stroke is bigger, molds that the specification of drive cylinder is bigger, and other are corresponding Spare and accessory parts size and specification be also just designed to it is bigger so that the cost of production equipment is higher；On the other hand, mould into The type demoulding is typically manually taken out, and the hand of operating personnel will be intervened in mould, cause certain potential safety hazard, produce simultaneously Efficiency is low.

The content of the invention

The technical problem to be solved by the invention is to provide it is a kind of can shorten die sinking drive cylinder opening stroke, from And equipment cost is reduced, and artificial taking-up product is replaced, so as to the side core-pulling blanking realized automation, avoid potential safety hazard Mould.

In order to solve the above technical problems, side core-pulling blanking die provided by the invention, including upper die and lower die and ejector Structure, the die cavity of product is formed after upper die and lower die matched moulds；It also includes through hole core-pulling device, the top of ejecting mechanism of horizontal direction Go out the ejecting structure of drive device and the horizontal direction of product, eject drive device and ejecting structure passes through gear Structure is connected, and through hole core-pulling device is connected with ejection drive device；Described ejection drive device includes drive cylinder, No.1 drives Bar, No. two drive rods, No. three drive rods and escapement, one end of No.1 drive rod and the lower module of mould are hinged, the other end and two One end of number drive rod is hinged, and the other end of No. two drive rods is connected with the lower end in contact of No. three drive rods, No. three drive rods Upper end is connected by rack pinion with ejecting mechanism, and No. three drive rod vertical directions are slidably connected on lower module, The piston rod free end of the drive cylinder and the middle part of No.1 drive rod are hinged, and No. two drive rods are rolled with escapement and connected, pendulum Wheel is rotatably connected on lower module；The through hole core-pulling device includes arc tooth plate and horizontally arranged side core bar, side core One end of bar is the core of the through hole on the product in die cavity, and the other end is nibbled with arc tooth plate by the structure of rack-and-pinion Connection is closed, arc tooth plate is by linkage with contacting connection with No. two drive rods, and escapement is located at linkage and No. two Below No. two drive rods between the contact point of drive rod and No. three drive rods and the contact point of No. two drive rods；It is described automatic Liftout attachment includes product knock-pin, the first driving gear set and rack-plate, and product knock-pin is horizontally arranged, and product Knock-pin is connected by the upper end of the first driving gear set and rack-plate, and rack-plate lower end is connected by link gear and escapement Connect and driven by escapement.

Described linkage includes No. six drive rods, No. seven drive rods and No. eight drive rods；In No. six drive rods Portion is hinged with lower module, and one end of No. six drive rods is connected with arc tooth plate, and one end of the other end and No. seven drive rods is hinged；Eight Number drive rod is set in vertical direction, and with being fixedly connected on lower module No. eight guide pads are slidably connected, No. eight drive rods Upper end and the other end of No. seven drive rods be hinged, the lower end of No. eight drive rods contacts connection by roller with No. two drive rods, No. eight drive rods above roller are provided with No. eight shaft shoulders, are provided between No. eight shaft shoulders and No. eight guide pads and are socketed in No. eight drivings No. eight springs on bar, No. eight drive rods make roller be pushed against all the time with No. two drive rods by No. eight springs.

No. three drive rod vertical directions, which are slidably connected on lower module, to be referred to, lower module be provided with upper guide pad, under Guide pad and block, the upper end of No. three drive rods are slidably connected with upper guide pad, and lower end is slidably connected with lower guide pad；Described The lower end of No. three drive rods is provided with roller, is provided with No. three lower shaft shoulders above roller, is set between No. three lower shaft shoulders and lower guide pad There are No. three springs being socketed on No. three drive rods；The middle part of No. three drive rods is provided with No. three upper shaft shoulders, and No. three upper shaft shoulders are located at Between block and upper guide pad, and No. three upper shaft shoulder leave from office terraces are made to be pushed against with block upper surface by No. three springs.

No. three drive rods are provided with rack in the side wall of vertical direction, and tooth also is provided with the push rod side wall of ejecting mechanism Pass through the second driving gear set engaged transmission between the rack of bar, the rack of push rod side wall and No. three drive rods.

The link gear includes No. four drive rods, No. five drive rods and linkage spring；One end of No. four drive rods It is fixedly connected on escapement, the other end is located at outside escapement and disengages or push against, No. five drive rods with one end of No. five drive rods Middle part is hinged on lower module, and the other end of No. five drive rods and the lower end of rack-plate are hinged；It is described linkage spring one end with The connection of lower module, the other end be connecteds with No. five drive rods, and the tie point of link spring and No. five drive rods is located at No. five and driven The pin joint of lever itself and between the pin joint of rack-plate.

Stopping means is provided between the upper end of the rack-plate and lower module, the stopping means includes gag lever post, spacing bullet Spring and limition orientation block；The limition orientation block is fixedly connected on lower module, and one end and the rack-plate of gag lever post push against, another End is slidably connected with limition orientation block, and gag lever post is provided with the gag lever post shaft shoulder close to one end of rack-plate, the gag lever post shaft shoulder with it is spacing Limit spring is socketed with gag lever post between guide pad.

Be provided with position-limit mechanism between described ejection drive device and lower module, the position-limit mechanism include initial limited block and Limited block is terminated, the initial limited block is located at the both sides of No.1 drive rod with terminating limited block respectively.

With being provided with spacer pin below the pin joint of lower module, one end of spacer pin is fixedly connected on No. five described drive rods On lower module, the other end is support end of No. five drive rods when before being triggered by No. four drive rods.

The through hole core-pulling device also includes being used to for side core bar to be returned to the resetting structure for being initially located at product type intracavitary, The resetting structure is No. six springs, and one end of No. six springs is connected with lower mould, and the other end is connected with No. six drive rods and should Tie point is above the pin joint of No. six drive rods.

The through hole core-pulling device also includes being used for No. six drive rod essences when side core bar inserts product type intracavitary in place The keeper of true position, one end of the keeper are fixedly connected with lower module, and the other end is located at No. six drive rods away from product type The side of chamber.

After above structure, the present invention compared with prior art, has the following advantages that：

1) because the demoulding, core pulling and blanking of product are all completed by the action of mold body, it instead of people Work operates, therefore has also prevented potential safety hazard while greatly improve production efficiency；

2) because the stripping direction of product is vertical direction, and the blanking direction of product is horizontal, therefore, as long as will Upper mould is opened to can be by the stroke of product overall height, so as to substantially reduce opening stroke, it is thereby possible to select rule The less die sinking drive cylinder of lattice, and other corresponding spare and accessory parts sizes and specification also accordingly diminish, so as to substantially reduce production The cost of equipment；

3) No. eight drive rod bottoms in linkage are pushed against on No. two drive rods, when No. two drive rods are swung, eight Number drive rod moves down, and by the motion of a series of linkage, the through hole in product side wall is realized core pulling；And then No. two Drive rod contacts with the bottom of No. three drive rods and forces No. three drive rods to move up, and driving push rod is up, product is deviate from cavity plate； Therefore, side wall core pulling and product ejection can't produce interference, and flexible structure, demoulding efficiency are higher；

4) after product stripping, by the rotation of escapement, No. four drive rods, No. five drive rods are further driven, finally to tooth Batten is up, after forcing the first driving gear set to operate, realizes the horizontal motion of product knock-pin, last ejecting product, So as to realize automation.

Brief description of the drawings

Fig. 1 is the structural representation of related products in the present invention.

Fig. 2 is structural representation of the side core-pulling blanking die of the present invention in matched moulds.

Fig. 3 is structural representation of the side core-pulling blanking die of the present invention in side core-pulling.

Fig. 4 is structural representation of the side core-pulling blanking die of the present invention when product ejects vertically.

Fig. 5 is structural representation of the side core-pulling blanking die of the present invention when Product Level ejects.

Wherein, 1, product；1-1, through hole；2nd, upper mould；3rd, lower mould；4th, product knock-pin；5th, the first driving gear set；6th, limit The position bar shaft shoulder；7th, limit spring；8th, limition orientation block；9th, gag lever post；10th, rack-plate；11st, No.1 drive rod；12nd, No. two drivings Bar；13rd, No. three drive rods；14th, No. four drive rods；15th, No. five drive rods；16th, No. six drive rods；17th, No. seven drive rods；18、 No. eight drive rods；19th, drive cylinder；20th, side core bar；21st, arc tooth plate；22nd, link spring；23rd, No. eight guide pads；24th, eight Number spring；25th, No. eight shaft shoulders；26th, upper guide pad；27th, No. three upper shaft shoulders；28th, block；29th, lower guide pad；30th, No. three springs； 31st, No. three lower shaft shoulders；32nd, the second driving gear set；33rd, initial limited block；34th, limited block is terminated；35th, escapement；36th, ejector Structure；37th, spacer pin；38th, No. six springs；39th, keeper.

Embodiment

The present invention is described in more detail with reference to the accompanying drawings and detailed description.

From the structural representation of the side core-pulling blanking die of the present invention shown in Fig. 2~Fig. 5, it include upper mould 2, under The die cavity of product 1 is formed after mould 3 and ejecting mechanism 36, upper mould 2 and the lower matched moulds of mould 3.It also includes the through hole core pulling of horizontal direction The ejecting structure of the horizontal direction of device, the ejection drive device of ejecting mechanism 36 and product 1, eject drive device and oneself Dynamic liftout attachment is connected by link gear, and through hole core-pulling device is connected with ejection drive device.Described ejection drive device Including drive cylinder 19, the drive rod 13 of drive rod 12, three of No.1 drive rod 11, two and escapement 35, No.1 drive rod 11 The lower module of one end and mould is hinged, and one end of the other end and No. two drive rods 12 is hinged, the other end of No. two drive rods 12 with The lower end in contact connection of No. three drive rods 13, the upper end of No. three drive rods 13 is connected by rack pinion and ejecting mechanism 36 Connect, and No. three vertical directions of drive rod 13 are slidably connected on lower module, the piston rod free end of the drive cylinder 19 with The middle part of No.1 drive rod 11 is hinged, and No. two drive rods 12 are rolled with escapement 35 and connected, and escapement 35 is rotatably connected on lower module. The through hole core-pulling device includes arc tooth plate 21 and horizontally arranged side core bar 20, and one end of side core bar 20 is positioned at type The core of through hole 1-1 on the product of intracavitary, the other end engage connection, arc with arc tooth plate 21 by the structure of rack-and-pinion Tooth plate 21 contacts connection with No. two drive rods 12 by linkage, and escapement 35 is located at linkage and No. two drive rods 12 Contact point and No. three drive rods 13 and the contact point of No. two drive rods 12 between the lower section of No. two drive rods 12.It is described automatic Liftout attachment includes product knock-pin 4, the first driving gear set 5 and rack-plate 10, and product knock-pin 4 is horizontally arranged, and And product knock-pin 4 is connected by the first driving gear set 5 and the upper end of rack-plate 10, the lower end of rack-plate 10 passes through linkage Mechanism is connected with escapement 35 and driven by escapement 35.Wherein ejecting mechanism 35 is conventional ejecting structure, as shown in FIG., including The more upper ejector pins acted on product, the lower end of multiple upper ejector pins are connected by horizontal top with lower push rod, lower push rod with Support bar is slidably connected, and support bar is fixedly connected on lower module.

Described linkage includes 16, No. seven drive rods 17 of No. six drive rods and No. eight drive rods 18.No. six drives The middle part of lever 16 is hinged with lower module, and one end of No. six drive rods 16 is connected with arc tooth plate 21, the other end and No. seven drive rods 17 one end is hinged.No. eight drive rods 18 are set in vertical direction, and with being fixedly connected on lower module No. eight guide pads 23 It is slidably connected, the upper end of No. eight drive rods 18 and the other end of No. seven drive rods 17 are hinged, and the lower end of No. eight drive rods 18 passes through Roller contacts connection with No. two drive rods 12, and No. eight drive rods 18 above roller are provided with No. eight shaft shoulders 25, No. eight shaft shoulders 25 No. eight springs 24 being socketed on No. eight drive rods 18 are provided between No. eight guide pads 23, No. eight drive rods 18 pass through No. eight bullets Spring 24 makes roller be pushed against all the time with No. two drive rods 12.

No. three drive rods 13 vertical direction, which is slidably connected on lower module, to be referred to, lower module is provided with upper guide pad 26th, lower guide pad 29 and block 28, the upper end of No. three drive rods 13 are slidably connected with upper guide pad 26, lower end and lower guide pad 29 It is slidably connected.The lower end of No. three described drive rods 13 is provided with roller, and No. three lower shaft shoulders 31, No. three lower axles are provided with above roller No. three springs 30 being socketed on No. three drive rods 13 are provided between shoulder 31 and lower guide pad 29.The middle part of No. three drive rods 13 is set There are No. three upper shaft shoulders 27, No. three upper shaft shoulders 27 make three between block 28 and upper guide pad 26, and by No. three springs 30 The leave from office terrace of the shaft shoulder 27 pushes against with the upper surface of block 28 on number.

No. three drive rods 13 are provided with rack in the side wall of vertical direction, are also set in the push rod side wall of ejecting mechanism 36 There is rack, pass through the engaged transmission of the second driving gear set 32 between the rack of push rod side wall and the rack of No. three drive rods 13.

The link gear includes 14, No. five drive rods 15 of No. four drive rods and linkage spring 22.No. four drive rods 14 one end is fixedly connected on escapement 35, and the other end is located at outside escapement 35 and disengages or support with one end of No. five drive rods 15 Tightly, No. five middle parts of drive rod 15 are hinged on lower module, and the lower end of the other end and rack-plate 10 of No. five drive rods 15 is hinged.Institute The one end for stating linkage spring 22 is connected with lower module, and the other end is connected with No. five drive rods 15, and link spring 22 and No. five The tie point of drive rod 15 is positioned at the pin joint of No. five drive rods 15 itself and between the pin joint of rack-plate 10.

It is provided with stopping means between the upper end of the rack-plate 10 and lower module, the stopping means includes gag lever post 9, spacing Spring 7 and limition orientation block 8.The limition orientation block 8 is fixedly connected on lower module, one end and the rack-plate 10 of gag lever post 9 Push against, the other end is slidably connected with limition orientation block 8, and gag lever post 9 is provided with the gag lever post shaft shoulder 6 close to one end of rack-plate 10, limit Limit spring 7 is socketed with gag lever post 9 between the position bar shaft shoulder 6 and limition orientation block 8.

Position-limit mechanism is provided between described ejection drive device and lower module, the position-limit mechanism includes initial limited block 33 With termination limited block 34, the initial limited block 33 is located at the both sides of No.1 drive rod 11 with terminating limited block 34 respectively.

No. five described drive rods 15 with being provided with spacer pin 37 below the pin joint of lower module, fix by one end of spacer pin 37 It is connected on lower module, the other end is support end of No. five drive rods 15 when before being triggered by No. four drive rods 14.

The through hole core-pulling device also includes being used to for side core bar 20 to be returned to the reset knot for being initially located at product type intracavitary Structure, the resetting structure are No. six springs 38, and one end of No. six springs 38 is connected with lower mould 3, the other end and No. six drive rods 16 connections and the tie point are located at the pin joint top of No. six drive rods 16.

The through hole core-pulling device also includes being used for No. six drive rods when side core bar 20 inserts product type intracavitary in place The keeper 39 of 16 exact positions, one end of the keeper 39 are fixedly connected with lower module, and the other end is located at No. six drive rods 16 Side away from product die cavity.

The course of work of the intelligent core-pulling die of the present invention is as follows：When upper mould 2 molds, drive cylinder 19 starts to start, driving No.1 drive rod 11 rotates to the right, and then drives No. two drive rods 12 to depart from escapement 35 again while moving right, So that No. two drive rods 12 are swung, one end away from drive cylinder 19 is lifted up.And now No. three bottoms of drive rod 13 The roller at end does not contact also with No. two drive rods 12, therefore No. three drive rods 13 do not start to act.And No. eight drive rods 18 simultaneously Bottom forces No. eight drive rods 18 to move down after losing limitation in the presence of No. eight springs 24, so as to pass through No. seven drive rods 17 pull the lower end of No. six drive rods 16 that rotate counterclockwise occurs, and No. six upper ends of drive rod 16 drive arc tooth plate 21 to revolve counterclockwise Turn, side core bar 20 is moved to the left in the presence of rack-and-pinion, until side core bar 20 is extracted out from through hole 1-1 completely, it is complete Acted into side core-pulling.

When above-mentioned action is fully finished, No. two drive rods 12 continue to be pushed into, until the end of No. two drive rods 12 connects Contact the roller of No. three bottoms of drive rod 13 and force No. three drive rods 13 to move up, under the transmission of rack-and-pinion, make top The push rod gone out in mechanism moves upwards, so as to which product 1 be ejected from lower mould.

And No. two drive rods 12 continue to promote into escapement 35 continues to rotate, and on escapement 35 No. four drive rod 14 is with pendulum Take turns 35 rotation and rotate, until one end of No. five drive rods 15 of contact, link gear start to act.No. five drive rods 15 The rotation of itself occurs, makes to be lifted up with the connection end that rack-plate 10 is connected, rack-plate 10 is driven upward motion, first In the presence of driving gear set 5, product knock-pin 4 moves horizontally to the left, so that by 1 horizontal ejection die of product, so far realizes Whole actions of automatic core-pulling blanking.

It is described above, only it is preferably feasible implementation example of the invention, it is impossible to therefore limit to the interest field of the present invention, For those skilled in the art, it is all made with technical scheme and technical concept other are various corresponding Change should all belong within the protection domain of the claims in the present invention.

Claims

1. a kind of side core-pulling blanking die, including upper mould (2), lower mould (3) and ejecting mechanism (36), upper mould (2) and lower mould (3) The die cavity of product (1) is formed after matched moulds；It is characterized in that：It also includes through hole core-pulling device, the ejecting mechanism of horizontal direction (36) ejection drive device and the ejecting structure of the horizontal direction of product (1), drive device and automatic ejection dress are ejected Put and connected by link gear, through hole core-pulling device is connected with ejection drive device；Described ejection drive device includes driving Oil cylinder (19), No.1 drive rod (11), No. two drive rods (12), No. three drive rods (13) and escapement (35), No.1 drive rod (11) one end and the lower module of mould is hinged, and the other end and one end of No. two drive rods (12) are hinged, No. two drive rods (12) The other end be connected with the lower end in contact of No. three drive rods (13), the upper ends of No. three drive rods (13) by rack pinion with Ejecting mechanism (36) is connected, and No. three drive rod (13) vertical directions are slidably connected on lower module, the drive cylinder (19) piston rod free end and the middle part of No.1 drive rod (11) are hinged, and No. two drive rods (12) roll with escapement (35) to be connected Connect, escapement (35) is rotatably connected on lower module；The through hole core-pulling device includes arc tooth plate (21) and horizontally arranged Side core bar (20), one end of side core bar (20) is the core of the through hole (1-1) on the product in die cavity, the other end and arc Shape tooth plate (21) engages connection by the structure of rack-and-pinion, and arc tooth plate (21) passes through linkage and No. two drive rods (12) Contact connection, and escapement (35) be located at linkage and No. two drive rods (12) contact point and No. three drive rods (13) and Below No. two drive rods (12) between the contact point of No. two drive rods (12)；The ejecting structure includes product knock-pin (4), the first driving gear set (5) and rack-plate (10), product knock-pin (4) is horizontally arranged, and product knock-pin (4) Be connected by the upper end of the first driving gear set (5) and rack-plate (10), rack-plate (10) lower end by link gear with Escapement (35) is connected and driven by escapement (35).

2. side core-pulling blanking die according to claim 1, it is characterised in that：Described linkage includes No. six drives Lever (16), No. seven drive rods (17) and No. eight drive rods (18)；It is hinged in the middle part of No. six drive rods (16) with lower module, six One end of number drive rod (16) is connected with arc tooth plate (21), and the other end and one end of No. seven drive rods (17) are hinged；No. eight drives Lever (18) is set in vertical direction, and with being fixedly connected on lower module No. eight guide pads (23) are slidably connected, No. eight drives The upper end of lever (18) and the other end of No. seven drive rods (17) are hinged, and the lower end of No. eight drive rods (18) passes through roller and No. two Drive rod (12) contact connection, No. eight drive rods (18) above roller are provided with No. eight shaft shoulders (25), No. eight shaft shoulders (25) and No. eight springs (24) being socketed on No. eight drive rods (18) are provided between No. eight guide pads (23), No. eight drive rods (18) pass through No. eight springs (24) make roller be pushed against all the time with No. two drive rods (12).

3. side core-pulling blanking die according to claim 1, it is characterised in that：The vertical side of No. three drive rods (13) Refer to being slidably connected on lower module, lower module is provided with upper guide pad (26), lower guide pad (29) and block (28), No. three The upper end of drive rod (13) is slidably connected with upper guide pad (26), and lower end is slidably connected with lower guide pad (29)；Described No. three The lower end of drive rod (13) is provided with roller, and No. three lower shaft shoulders (31), No. three lower shaft shoulders (31) and lower guiding are provided with above roller No. three springs (30) being socketed on No. three drive rods (13) are provided between block (29)；The middle part of No. three drive rods (13) is provided with three The shaft shoulder (27) on number, No. three upper shaft shoulders (27) are located between block (28) and upper guide pad (26), and pass through No. three springs (30) No. three upper shaft shoulder (27) leave from office terraces are made to be pushed against with block (28) upper surface.

4. side core-pulling blanking die according to claim 3, it is characterised in that：No. three drive rods (13) are vertical The side wall in direction is provided with rack, also is provided with rack in the push rod side wall of ejecting mechanism (36), the rack of push rod side wall and No. three Pass through the second driving gear set (32) engaged transmission between the rack of drive rod (13).

5. side core-pulling blanking die according to claim 1, it is characterised in that：The link gear includes No. four drivings Bar (14), No. five drive rods (15) and linkage spring (22)；One end of No. four drive rods (14) is fixedly connected on escapement (35) on, the other end is located at escapement (35) outside and disengages or push against, No. five drive rods with one end of No. five drive rods (15) (15) middle part is hinged on lower module, and the lower end of the other end and rack-plate (10) of No. five drive rods (15) is hinged；The linkage One end of spring (22) is connected with lower module, and the other end is connected with No. five drive rods (15), and the spring that links (22) and No. five The tie point of drive rod (15) is positioned at the pin joint of No. five drive rods (15) itself and between the pin joint of rack-plate (10).

6. side core-pulling blanking die according to claim 5, it is characterised in that：The upper end of the rack-plate (10) is with Stopping means is provided between module, the stopping means includes gag lever post (9), limit spring (7) and limition orientation block (8)；It is described Limition orientation block (8) is fixedly connected on lower module, and one end of gag lever post (9) pushes against with rack-plate (10), the other end with it is spacing Guide pad (8) is slidably connected, and gag lever post (9) is provided with the gag lever post shaft shoulder (6), the gag lever post shaft shoulder close to one end of rack-plate (10) (6) it is socketed with limit spring (7) on the gag lever post (9) between limition orientation block (8).

7. side core-pulling blanking die according to claim 1, it is characterised in that：Described ejection drive device and lower mould Position-limit mechanism is provided between group, the position-limit mechanism includes initial limited block (33) and terminates limited block (34), described initial spacing Block (33) is located at the both sides of No.1 drive rod (11) with terminating limited block (34) respectively.

8. side core-pulling blanking die according to claim 1, it is characterised in that：No. five described drive rods (15) are with Spacer pin (37) is provided with below the pin joint of module, one end of spacer pin (37) is fixedly connected on lower module, the other end five The support end of number drive rod (15) when before being triggered by No. four drive rods (14).

9. side core-pulling blanking die according to claim 2, it is characterised in that：The through hole core-pulling device also includes using In side core bar (20) to be returned to the resetting structure that is initially located at product type intracavitary, the resetting structure is No. six springs (38), institute The one end for stating No. six springs (38) is connected with lower mould (3), and the other end is connected with No. six drive rods (16) and the tie point is located at six Above the pin joint of number drive rod (16).

10. side core-pulling blanking die according to claim 2, it is characterised in that：The through hole core-pulling device also includes For the keeper (39) of No. six drive rod (16) exact positions when side core bar (20) inserts product type intracavitary in place, this is fixed One end of position part (39) is fixedly connected with lower module, and the other end is positioned at side of No. six drive rods (16) away from product die cavity.