CN211762869U

CN211762869U - Die ejection device with excellent buffering effect

Info

Publication number: CN211762869U
Application number: CN201921968448.7U
Authority: CN
Inventors: 黄智红
Original assignee: Sichuan Aen Aviation Metal Equipment Co ltd
Current assignee: Sichuan Aen Aviation Metal Equipment Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-10-27
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a buffering effect is good mould ejecting device, including thimble seat, thimble main part, thimble board and first connecting block, thimble seat top is run through there is the thimble main part, and the bottom of thimble main part is connected with the thimble board, the bottom of thimble board is connected with first spring, and the bottom of first spring is connected with the second connecting block, first card chamber has been seted up to the inside of second connecting block, and the inside in first card chamber is inserted and is equipped with first fixture block, one side butt that first fixture block is close to the second connecting block has the spring leaf. The utility model discloses a be provided with first spring, second connecting block and second spring, can effectively absorb the instantaneous produced thrust of hydraulic stem, avoid the thimble to damage, and the device can conveniently open first dog through being provided with first draw-in groove, second fixture block and fastening screw, dismantles the thimble board to can increase the change efficiency to the thimble main part.

Description

Die ejection device with excellent buffering effect

Technical Field

The utility model relates to the technical field of mold, specifically be a good mould ejecting device of buffering effect.

Background

The mold is used for obtaining various molds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production, and the taking of finished products of the mold needs to use an ejection device.

Present partial mould ejecting device, it is when ejecting the finished product from the mould, it is inside directly pushing the thimble board into the mould through the hydraulic stem, but directly use the hydraulic stem to push, because the hydraulic stem power in the twinkling of an eye is very big, lead to the thimble to break easily, and present partial mould ejecting device, its thimble is after the rupture, need change the thimble, but present partial thimble board is the lug connection on thimble seat surface, inconvenient dismantlement to the thimble board, so can influence the change efficiency of thimble, consequently, need a good mould ejecting device of buffering effect to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a buffering effect good mould ejecting device to current partial mould ejecting device who proposes does not have buffer function in solving above-mentioned background art, and the inconvenient problem of changing of current partial mould ejecting device thimble.

In order to achieve the above object, the utility model provides a following technical scheme: a mold ejection device with excellent buffering effect comprises an ejector pin base, an ejector pin body, an ejector pin plate and a first connecting block, wherein the ejector pin body penetrates through the top end of the ejector pin base, the ejector pin plate is connected to the bottom end of the ejector pin body, a first spring is connected to the bottom end of the ejector pin plate, the bottom end of the first spring is connected with a second connecting block, a first clamping cavity is formed in the second connecting block, a first clamping block is inserted in the first clamping cavity, one side, close to the second connecting block, of the first clamping block is abutted to a spring piece, one side, far away from the second connecting block, of the first clamping block is connected with a spherical clamping block, the surface of the spherical clamping block is abutted to a spherical clamping groove, the bottom end of the second connecting block is connected with a second spring, the bottom end of the second spring is connected with a first connecting plate, the bottom end of the first connecting plate is connected with a hydraulic rod, the, the inside butt joint of first draw-in groove has the second fixture block, and the right side of second fixture block is connected with first dog, fastening screw has been run through to the bottom inside of thimble seat, the inner wall connection of thimble seat has first connecting block.

Preferably, the top end of the thimble seat is provided with a through hole, and the diameter of the inner wall of the through hole is the same as the surface diameter of the thimble main body.

Preferably, the one end of first spring is connected on the surface of thimble board, and the other end of thimble board connects on the surface of second connecting block, thimble board, first spring and second connecting block constitute elastic construction.

Preferably, a groove is formed in the inner wall of the first connecting block, the shape and size of the inner wall of the groove are the same as those of the surface of the spherical clamping block, the spherical clamping block is inserted into the groove, and the first connecting block and the spherical clamping block form a sliding structure.

Preferably, one end of the second spring is connected to the surface of the first connecting plate, the other end of the second spring is connected to the surface of the second connecting block, and the second connecting block, the second spring and the first connecting plate form an elastic structure.

Preferably, the surface shape and size of the second clamping block are the same as the inner shape and size of the first clamping groove, the second clamping block and the first clamping groove are provided with through holes, threads are arranged inside the through holes and on the surface of the fastening screw, and the fastening screw and the second clamping block form a thread type structure.

Compared with the prior art, the beneficial effects of the utility model are that: this mould ejecting device that buffering effect is good can effectively absorb the instantaneous produced thrust of hydraulic stem through being provided with first spring, second connecting block and second spring, avoids the thimble to damage, and the device can conveniently open first dog through being provided with first draw-in groove, second fixture block and fastening screw, dismantles the thimble board to can increase the change efficiency to the thimble main part.

1. The device is through being provided with first spring, second connecting block and second spring, the produced power absorption in the twinkling of an eye can be with the hydraulic stem through the produced elastic force effect of second spring, and subsequent impact force enables the spherical fixture block of the second connecting block left and right sides from the inside roll-off of spherical draw-in groove, makes the second connecting block upwards slide gradually, can slowly release the power that the second spring absorbed and go out through the elastic force effect of first spring, avoid the damage of thimble main part, make the thimble main part release the finished product from the mould is inside.

2. The device can dismantle the fastening screw through being provided with first draw-in groove, second fixture block and fastening screw when the thimble damages the back, then takes out the second fixture block from the inside of first draw-in groove to can take out first dog, can take out thimble main part from the inside of thimble seat afterwards, change the thimble main part on thimble board top, thereby can make thimble main part keep at best operating condition always.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 according to the present invention;

fig. 4 is a schematic top sectional view of the thimble seat of the present invention.

In the figure: 1. a thimble seat; 2. a thimble main body; 3. an ejector plate; 4. a first spring; 5. a first connection block; 6. a second connecting block; 7. a second spring; 8. a first connecting plate; 9. a hydraulic lever; 10. a first card cavity; 11. a spring plate; 12. a first clamping block; 13. a spherical fixture block; 14. a spherical clamping groove; 15. a first card slot; 16. a second fixture block; 17. fastening screws; 18. a first stop.

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. 1-4, the present invention provides an embodiment: a mould ejection device with excellent buffering effect comprises an ejector pin seat 1, an ejector pin main body 2, an ejector pin plate 3 and a first connecting block 5, wherein the ejector pin main body 2 penetrates through the top end of the ejector pin seat 1, a through hole is formed in the top end of the ejector pin seat 1, the diameter of the inner wall of the through hole is the same as the diameter of the surface of the thimble main body 2, the same diameter of the inner wall can reduce the shaking generated by the thimble main body 2 when the thimble main body 2 moves in the through hole, the bottom end of the thimble main body 2 is connected with a thimble plate 3, the bottom end of the thimble plate 3 is connected with a first spring 4, one end of the first spring 4 is connected with the surface of the thimble plate 3, the other end of the ejector pin plate 3 is connected with the surface of the second connecting block 6, the ejector pin plate 3, the first spring 4 and the second connecting block 6 form an elastic structure, the force absorbed by the second spring 7 can be transmitted to the ejector plate 3 through the first spring 4 by constituting an elastic structure.

And the bottom of first spring 4 is connected with second connecting block 6, first card chamber 10 has been seted up to the inside of second connecting block 6, and the inside of first card chamber 10 is inserted and is equipped with first fixture block 12, one side butt that first fixture block 12 is close to second connecting block 6 has spring leaf 11, one side that second connecting block 6 was kept away from to first fixture block 12 is connected with spherical fixture block 13, and the surface butt of spherical fixture block 13 has spherical draw-in groove 14, the bottom of second connecting block 6 is connected with second spring 7, the surface at first connecting plate 8 is connected to the one end of second spring 7, and the surface at second connecting block 6 is connected to the other end of second spring 7, second connecting block 6, elastic construction is constituteed to second spring 7 and first connecting plate 8, through constituteing elastic construction, enable second spring 7 to absorb the power that first connecting plate 8 received instantaneously.

And the bottom of second spring 7 is connected with first connecting plate 8, the bottom of first connecting plate 8 is connected with hydraulic stem 9, first draw-in groove 15 has been seted up to the bottom inside of thimble seat 1, the inside butt joint of first draw-in groove 15 has second fixture block 16, the surface shape size of second fixture block 16 is the same with the inside shape size of first draw-in groove 15, and second fixture block 16 and the inside of first draw-in groove 15 have all seted up the perforation, perforated inside and fastening screw 17's surface all are provided with the screw thread, fastening screw 17 and second fixture block 16 constitute the screw thread formula structure, through constituting the screw thread formula structure, can fix second fixture block 16 and first draw-in groove 15.

And the right side of second fixture block 16 is connected with first dog 18, fastening screw 17 has run through inside the bottom of thimble seat 1, the inner wall of thimble seat 1 is connected with first connecting block 5, the inner wall of first connecting block 5 is seted up flutedly, and the inner wall shape size of recess is the same with the surface shape size of spherical fixture block 13, spherical fixture block 13 is inserted and is established the inside of recess, first connecting block 5 and spherical fixture block 13 constitute the slidingtype structure, can make second connecting block 6 reciprocate at the inner wall of first connecting block 5 through constituteing the slidingtype structure.

The working principle is as follows: the device is powered by an external power supply, when a finished product is pushed out of the interior of the die, the hydraulic rod 9 can generate thrust firstly, the thrust generated by the hydraulic rod 9 can absorb the force generated by the hydraulic rod 9 instantly through the elastic action generated by the second spring 7, the spherical clamping blocks 13 on the left side and the right side of the second connecting block 6 can slide out of the spherical clamping grooves 14 through subsequent impact force, the second connecting block 6 can slide upwards gradually, the force absorbed by the second spring 7 can be released slowly through the elastic action of the first spring 4, the damage to the thimble main body 2 is avoided, the finished product is pushed out of the interior of the die by the thimble main body 2, and meanwhile, after the finished product is taken out, the spherical clamping blocks 13 can be clamped with the spherical clamping grooves 14 continuously through the elastic actions of the first spring 4 and the second spring 7 because the hydraulic rod 9 does not provide thrust any more.

After the thimble is damaged, the fastening screw 17 can be detached, and then the second clamping block 16 is taken out from the inside of the first clamping groove 15, so that the first stop block 18 can be taken out, and then the thimble body 2 can be taken out from the inside of the thimble seat 1, and the thimble body 2 at the top end of the thimble plate 3 is replaced, so that the thimble body 2 can be always kept in the best working state, and after the thimble body 2 is replaced, the thimble plate 3 can be installed in place according to the steps.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a good mould ejecting device of buffering effect, includes thimble seat (1), thimble main part (2), thimble board (3) and first connecting block (5), its characterized in that: the ejector pin is characterized in that an ejector pin main body (2) penetrates through the top end of the ejector pin base (1), the bottom end of the ejector pin main body (2) is connected with an ejector pin plate (3), the bottom end of the ejector pin plate (3) is connected with a first spring (4), the bottom end of the first spring (4) is connected with a second connecting block (6), a first clamping cavity (10) is formed in the second connecting block (6), a first clamping block (12) is inserted in the first clamping cavity (10), one side, close to the second connecting block (6), of the first clamping block (12) is abutted to a spring piece (11), one side, far away from the second connecting block (6), of the first clamping block (12) is connected with a spherical clamping block (13), the surface of the spherical clamping block (13) is abutted to a spherical clamping groove (14), the bottom end of the second connecting block (6) is connected with a second spring (7), and the bottom end of the second spring (7) is connected, the bottom of first connecting plate (8) is connected with hydraulic stem (9), first draw-in groove (15) have been seted up to the bottom inside of thimble seat (1), the inside butt joint of first draw-in groove (15) has second fixture block (16), and the right side of second fixture block (16) is connected with first dog (18), fastening screw (17) have been run through to the bottom inside of thimble seat (1), the inner wall connection of thimble seat (1) has first connecting block (5).

2. The mold ejection device with excellent buffering effect as claimed in claim 1, wherein: the top end of the thimble seat (1) is provided with a through hole, and the diameter of the inner wall of the through hole is the same as the diameter of the surface of the thimble main body (2).

3. The mold ejection device with excellent buffering effect as claimed in claim 1, wherein: the surface at thimble board (3) is connected to the one end of first spring (4), and the surface at second connecting block (6) is connected to the other end of thimble board (3), elastic construction is constituteed to thimble board (3), first spring (4) and second connecting block (6).

4. The mold ejection device with excellent buffering effect as claimed in claim 1, wherein: the inner wall of the first connecting block (5) is provided with a groove, the shape and size of the inner wall of the groove are the same as those of the surface of the spherical clamping block (13), the spherical clamping block (13) is inserted into the groove, and the first connecting block (5) and the spherical clamping block (13) form a sliding structure.

5. The mold ejection device with excellent buffering effect as claimed in claim 1, wherein: one end of the second spring (7) is connected to the surface of the first connecting plate (8), the other end of the second spring (7) is connected to the surface of the second connecting block (6), and the second connecting block (6), the second spring (7) and the first connecting plate (8) form an elastic structure.

6. The mold ejection device with excellent buffering effect as claimed in claim 1, wherein: the surface shape and the size of the second clamping block (16) are the same as the inner shape and the size of the first clamping groove (15), the second clamping block (16) and the first clamping groove (15) are provided with through holes, the inner parts of the through holes and the surface of the fastening screw (17) are provided with threads, and the fastening screw (17) and the second clamping block (16) form a thread type structure.