CN214294227U

CN214294227U - Die buffering device

Info

Publication number: CN214294227U
Application number: CN202120159969.9U
Authority: CN
Inventors: 魏剑峰; 陈威; 陈建武; 林国富; 林建华; 郑义中; 周伟; 翁志轩
Original assignee: Putian Chengxiang Xinghua Electronic Mold Co ltd
Current assignee: Putian Chengxiang Xinghua Electronic Mold Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-09-28
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a die buffering device, which comprises a lower die fixing plate, wherein a lower die is fixed on the upper side of the lower die fixing plate, an upper die is arranged right above the lower die, the upper die is fixed on the upper die fixing plate, support columns are fixed on the left side and the right side of the upper die fixing plate, a fixing sleeve is arranged at the position of the lower die fixing plate corresponding to the support columns, a connecting sleeve is connected in the fixing sleeve in a sliding manner, vertical plates are arranged on the front side and the rear side of the fixing sleeve, a fixing plate is arranged at the middle part of one side of the fixing sleeve towards the lower die, a gap is arranged between the fixing plate and the vertical plate, the lower end of the connecting sleeve is connected with a second spring, a chute is arranged at the lower end of the connecting sleeve, and a curved rod is connected in the chute in a sliding manner, a first spring is connected towards one side of a contact surface of the upper die and the lower die, so that the die is more compact, the pressure of the die is reduced step by step, the process of die assembly is more stable as far as possible, and the service life of the die is prolonged.

Description

Die buffering device

Technical Field

The utility model relates to a mould buffering technical field specifically is a mould buffer.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used for batch production of parts with complex shapes, and particularly relates to a method for injecting heated and molten plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

At present injection mold goes up the mould when the compound die and the pressure between the mould is too big, and long-term work back is heavier to the damage of mould itself, makes the inside a large amount of stresses that pile up of mould, and the life of mould is low, needs the pressurize for a period after the compound die moreover, needs external pressure to keep unchanged, and this stability requirement to electrical equipment is higher. Therefore, the utility model provides a die cushion device to solve the problem of proposing among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould buffer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a die buffering device comprises a lower die fixing plate, a lower die is fixed on the upper side of the lower die fixing plate, an upper die is arranged right above the lower die, the upper die is fixed on the upper die fixing plate, support columns are fixed on the left side and the right side of the upper die fixing plate respectively, a fixing sleeve is arranged at the position, corresponding to the support columns, of the lower die fixing plate, a connecting sleeve is connected in the fixing sleeve in a sliding manner, a second spring is connected to the lower end of the connecting sleeve, a sliding groove is formed in the lower end of the connecting sleeve, a curved rod is connected in the sliding groove in a sliding manner, the middle of the curved rod is connected in a circular arc-shaped frame in a sliding manner, a limiting block is fixed on the lower die fixing plate, one end, far away from the connecting sleeve, of the curved rod is hinged to a sliding block, the sliding block is connected in the sliding groove of a third spring, the sliding block is connected in a through hole of the limiting block in a sliding manner, and clamping grooves are formed in one sides, facing the support columns, of the upper die and the lower die fixing plate, the clamping block can be inserted into the clamping groove to fix the upper die and the lower die simultaneously;

one side of the clamping groove, facing the contact surfaces of the upper die and the lower die, is an inclined surface, one side of the inclined surface is provided with a pressing plate, and one side of the pressing plate, facing the contact surfaces of the upper die and the lower die, is connected with a first spring, so that the die is closed more tightly.

As the utility model discloses further scheme, both sides all are equipped with the riser around the fixed sleeving, and fixed cover is equipped with the fixed plate towards one side middle part of lower mould, is equipped with the gap between fixed plate and the riser.

As the utility model discloses scheme further still, the joint piece includes joint portion and sliding part, and the vertical cross-section of sliding part and the through-hole of stopper are rounded rectangle, restriction joint piece horizontal hunting, and the lower extreme of joint portion is pegged graft at the joint inslot.

As the utility model discloses scheme further again, the joint piece is equipped with the breach towards one side of adapter sleeve, and the width of breach is greater than the horizontal width of adapter sleeve, and the joint piece can insert in the fixed cover pipe.

As the utility model discloses scheme further again, the one side of keeping away from the contact surface of last mould and lower mould compound die in joint groove all is equipped with a plurality of rollers, frictional force when reducing to peg graft.

As the utility model discloses scheme further still, one side of fixed sleeving is equipped with buffer, and buffer includes the buffer board of upside and the spring four of downside, and the buffer board is just to the downside of knee-lever, the upside of buffer board is equipped with curved cushion, increases the contact surface, carries out the secondary buffering.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a clamp plate is connected with spring one towards one side of the contact surface of last mould and lower mould compound die for the compound die is inseparabler.

2. The utility model discloses pressure to the compound die carries out the substep and reduces, makes the process of compound die more stable as far as possible, prolongs the life of mould.

Drawings

Fig. 1 is a schematic structural view of a die cushion apparatus.

Fig. 2 is a schematic top view of a fixing sleeve of a die cushion device.

Fig. 3 is a schematic structural view of a clamping block in a die cushion device.

In the figure: 1. a lower die fixing plate; 2. a lower die; 3. an upper die; 4. an upper die fixing plate; 5. a support pillar; 6. a clamping groove; 7. pressing a plate; 8. a first spring; 9. a clamping block; 10. fixing the sleeve; 11. a limiting block; 12. connecting sleeves; 13. a second spring; 14. a curved bar; 15. a third spring; 16. a buffer plate; 17. and a fourth spring.

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 to 3, in the embodiment of the present invention, a mold buffering device includes a lower mold fixing plate 1, a lower mold 2 is fixed on the upper side of the lower mold fixing plate 1, an upper mold 3 is disposed directly above the lower mold 2, the upper mold 3 is fixed on an upper mold fixing plate 4, support pillars 5 are fixed on both left and right sides of the upper mold fixing plate 4, a fixing sleeve 10 is disposed on the lower mold fixing plate 1 corresponding to the support pillars 5, a connecting sleeve 12 is slidably connected in the fixing sleeve 10, risers are disposed on both front and rear sides of the fixing sleeve 10, a fixing plate is disposed on the fixing sleeve toward the middle portion of one side of the lower mold 2, a gap is disposed between the fixing plate and the risers, a second spring 13 is connected to the lower end of the connecting sleeve 12, a sliding groove is disposed on the lower end of the connecting sleeve 12, a curved rod 14 is slidably connected in the sliding groove, the middle portion of the curved rod 14 is slidably connected in an arc-shaped frame, the frame is fixed on a limiting block 11, a limiting block 11 is fixed on a lower die fixing plate 1, one end, far away from a connecting sleeve 12, of a curved rod 14 is hinged on a sliding block, the sliding block is connected in a sliding groove of a clamping block 9 in a sliding mode, a spring III 15 is connected between the sliding block and the sliding groove, the clamping block 9 is connected in a through hole of the limiting block 11 in a sliding mode, clamping grooves 6 are formed in one sides, facing a supporting column 5, of an upper die 3 and a lower die 2 respectively, the clamping block 9 can be inserted into the clamping grooves 6 to fix the upper die 3 and the lower die 2 simultaneously, the clamping block 9 comprises a clamping portion and a sliding portion, the vertical section of the sliding portion and the through hole of the limiting block 11 are both in a round-cornered rectangle shape, the left and right swinging of the clamping block 9 are limited, the lower end of the clamping portion is inserted into the clamping grooves 6, a notch is formed in one side, facing the connecting sleeve 12, of the clamping block 9 is larger than the transverse width of the connecting sleeve 12, and the clamping block 9 can be inserted into a fixing sleeve 10;

joint groove 6 is the inclined plane towards one side of the contact surface of

last mould

3 and 2 compound dies of lower mould, and one side on inclined plane is equipped with clamp plate 7, and clamp plate 7 is connected with spring 8 towards one side of the contact surface of

last mould

3 and 2 compound dies of lower mould for the compound dies is inseparabler, one side of keeping away from the contact surface of

last mould

3 and 2 compound dies of lower mould of joint groove 6 all is equipped with a plurality of rollers, reduces the frictional force when pegging graft, one side of fixed sleeve 10 is equipped with buffer, and buffer includes the buffer 16 of the buffer board of upside and four 17 of the spring of downside, and buffer board 16 is just to the downside of curved bar 14, the upside of buffer board 16 is equipped with curved cushion, increases the contact surface, carries out the secondary buffering.

The utility model discloses a theory of operation is: when the die is closed, the upper die 3 drives the upper die fixing plate 4 to move downwards, when the supporting column 5 moves downwards, the upper die fixing plate is inserted into the connecting sleeve 12 to press the second spring 13, the second spring 13 reduces the die closing pressure of the die, the second spring 13 is stressed to be compressed, the curved rod 14 is driven by the connecting sleeve 12 to rotate, the other end of the curved rod 14 has middle thrust, the third spring 15 is compressed to drive the clamping block 9 to be pressed on the connecting sleeve 12, the die pressure is further dispersed, when the die closing is completed, the supporting column 5 presses the connecting sleeve 12 to the bottom end, the clamping block 9 is separated from the limit of the connecting sleeve 12, the clamping block 9 is inserted into the clamping groove 6 under the drive of the third spring 15, the first spring 8 is compressed through the pressing plate 7, the die closing is tighter, the curved rod 14 is further pressed on the buffer plate 16 of the buffer device, the fourth spring 17 is compressed, the die closing pressure is reduced again, and the die closing process is more stable as much as possible, the service life of the die is prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A die buffering device comprises a lower die fixing plate (1) and is characterized in that a lower die (2) is fixed on the upper side of the lower die fixing plate (1), an upper die (3) is arranged right above the lower die (2), the upper die (3) is fixed on the upper die fixing plate (4), supporting columns (5) are fixed on the left side and the right side of the upper die fixing plate (4), a fixing sleeve (10) is arranged at the position, corresponding to the supporting column (5), of the lower die fixing plate (1), a connecting sleeve (12) is connected in the fixing sleeve (10) in a sliding mode, a second spring (13) is connected at the lower end of the connecting sleeve (12), a sliding groove is formed in the lower end of the connecting sleeve (12), a curved rod (14) is connected in the sliding groove in a sliding mode, the middle of the curved rod (14) is connected in a circular arc-shaped frame in a sliding mode, the frame is fixed on a limiting block (11), and the limiting block (11) is fixed on the lower die fixing plate (1), one end, far away from the connecting sleeve (12), of the curved rod (14) is hinged to the sliding block, the sliding block is connected in a sliding groove of the clamping block (9) in a sliding mode, a spring III (15) is connected between the sliding block and the sliding groove, the clamping block (9) is connected in a through hole of the limiting block (11) in a sliding mode, and clamping grooves (6) are formed in one sides, facing the supporting column (5), of the upper die (3) and one side, facing the supporting column (5), of the lower die (2);

one side of the clamping groove (6) facing the contact surface of the upper die (3) and the lower die (2) for die assembly is an inclined plane, a pressing plate (7) is arranged on one side of the inclined plane, and one side of the pressing plate (7) facing the contact surface of the upper die (3) and the lower die (2) for die assembly is connected with a first spring (8).

2. The die cushion device according to claim 1, wherein the fixing sleeve (10) has vertical plates at both front and rear sides, and a fixing plate is provided at a middle portion of a side of the fixing sleeve facing the lower die (2), and a gap is provided between the fixing plate and the vertical plate.

3. The die cushion device according to claim 1, wherein the clamping block (9) comprises a clamping portion and a sliding portion, the vertical section of the sliding portion and the through hole of the limiting block (11) are both in a rounded rectangle shape, and the lower end of the clamping portion is inserted into the clamping groove (6).

4. A die cushion according to claim 1, wherein the side of the engaging block (9) facing the connecting sleeve (12) is provided with a gap, the width of the gap is larger than the transverse width of the connecting sleeve (12), and the engaging block (9) can be inserted into the fixing sleeve (10).

5. The die cushion device according to claim 1, wherein the side of the clamping groove (6) far away from the contact surface of the upper die (3) and the lower die (2) is provided with a plurality of rollers.

6. A die cushion according to claim 1, wherein one side of the fixing sleeve (10) is provided with a cushion device, the cushion device comprises an upper cushion plate (16) and a lower spring four (17), the cushion plate (16) is opposite to the lower side of the curved rod (14), and the upper side of the cushion plate (16) is provided with an arc-shaped elastic pad.