CN215095307U

CN215095307U - Demoulding mechanism suitable for water-soluble mould

Info

Publication number: CN215095307U
Application number: CN202121598215.XU
Authority: CN
Inventors: 赵铁良
Original assignee: Suzhou Olfenstan New Material Technology Co ltd
Current assignee: Suzhou Olfenstan New Material Technology Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-12-10
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a demoulding mechanism suitable for water-soluble mould, including stand and last mould, the below of upper die base is provided with the die holder, the both sides of upper die base and die holder are provided with the stand, the bottom of upper die base is provided with the mould, the inside of going up the mould is provided with the mouth of moulding plastics, the both sides of mouth bottom of moulding plastics are provided with the die cavity, the top of die holder is provided with the lower mould, the below of die holder is provided with the base. This demoulding mechanism suitable for water-soluble mould is through being provided with the cylinder, the fly leaf, hollow chamber and lifter, along with the decline of die holder, starts the cylinder, and the piston rod of cylinder pushes up the fly leaf, and the lifter runs through hollow intracavity's inside and constantly upwards ejecting with the fixed plate, and two sets of thimbles upwards run through from the thimble groove, make it break away from the lower mould with the mould top, realize steady drawing of patterns, need not artifical drawing of patterns, avoid the emergence of high temperature incident, solved the not enough problem of security performance.

Description

Demoulding mechanism suitable for water-soluble mould

Technical Field

The utility model relates to a demoulding mechanism technical field specifically is a demoulding mechanism suitable for water-soluble mould.

Background

At present, molds made of water-soluble resin matrix composite materials are applied to aspects of production and living, special equipment is needed for the materials during mold injection, many small and medium-sized enterprises still adopt an operation mode of manual demoulding for the molds with small volume, certain scalding risks exist for the molds in a high-temperature state, and safety protection is very limited.

On the other hand, whether the mould can fast and stably demould is the most critical demoulding mechanism with reasonable design, some demoulding mechanisms are simple, the mould is ejected after the upper mould is opened and closed, and then the upper mould is reset and aligned again, so that the efficiency is low while the time is consumed, and the stability is not enough. Therefore, a demoulding mechanism suitable for the water-soluble mould is needed to be designed, and the aim of quickly and stably demoulding is fulfilled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a demoulding mechanism suitable for water-soluble mould to propose artifical manual demoulding risky problem in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a demoulding mechanism suitable for water-soluble mould, includes the stand, goes up mould and upper die base, the below of upper die base is provided with the die holder, the both sides of upper die base and die holder are provided with the stand, the bottom of upper die base is provided with the mould, the inside of going up the mould is provided with the mouth of moulding plastics, the both sides of mouth bottom of moulding plastics are provided with the die cavity, the top of die holder is provided with the lower mould, the below of die holder is provided with the base, the cylinder is installed on the top of base, the output of cylinder passes through piston rod fixedly connected with fly leaf, servo motor is installed to the bottom of stand inside wall.

Preferably, the output end of the servo motor is fixedly connected with a driving shaft through a coupler, the driving shaft is movably connected with the top end of the base through a bearing, a screw rod is installed on the outer side of the stand, a threaded sleeve block is sleeved on the outer portion of the screw rod in a movable mode, a movable groove is formed in the stand, the threaded sleeve block is embedded in the movable groove to move, two sides of the lower die holder are fixedly connected with the threaded sleeve block respectively, and a driving wheel and a driving belt assembly are installed between the driving shaft and the screw rod.

Preferably, a guide post is installed on the top end of the base, a through groove is formed in one side of the inner portion of the movable plate, the guide post penetrates through the through groove of the movable plate and is movably connected with the movable plate, a lifting rod is fixedly connected to the top end of the movable plate, a hollow cavity is formed in the middle of the inner portion of the lower die base, and the lifting rod moves inside the hollow cavity.

Preferably, thimble grooves have been seted up to the inside both sides of lower mould, the ejector pin groove has been seted up to the inside intermediate position department of lower mould, the bottom of lower mould is provided with the fixed plate, the intermediate position department on fixed plate top is provided with the ejector pin, the both sides on fixed plate top are provided with the thimble, the thimble runs through the inside in thimble groove, the ejector pin runs through the ejector pin groove and extends to the bottom of the mouth of moulding plastics.

Preferably, the shape of the bottom end of the upper die is matched with the shape of the top end of the lower die, and two groups of cavities are arranged and have the same shape.

Preferably, the screw threads of the screws are in the same direction, and the screws are symmetrically distributed about the vertical center line of the lower die base.

Compared with the prior art, the beneficial effects of the utility model are that: the demoulding mechanism suitable for the water-soluble mould not only realizes that the mould is quickly separated from the cavity, realizes the improvement of the safety factor, but also realizes the maintenance of the demoulding stability;

(1) after injection molding is finished, the upper die and the lower die are still in a closed state, the output end of the servo motor drives the driving shaft to rotate through the coupler, torque is transmitted to the screw rods through the driving wheel and the transmission belt assembly to drive the two groups of screw rods to synchronously rotate, so that the thread sleeve block drives the lower die base to move downwards, the lower die base descends to drive the lower die and the upper die to be separated from each other and closed, the die cavity is opened, the die is adhered to the top end of the lower die, and demolding is carried out through automatic descending of the lower die base, so that the die can be rapidly separated from the die cavity, and ejection of the die is facilitated;

(2) the cylinder, the movable plate, the hollow cavity and the lifting rod are arranged, the cylinder is started along with the descending of the lower die holder, the movable plate is pushed upwards by a piston rod of the cylinder, the lifting rod penetrates through the hollow cavity and continuously pushes out the fixed plate upwards, the two groups of thimbles penetrate upwards from the thimble grooves and push the die away from the lower die, so that stable demolding is realized, manual demolding is not needed, and high-temperature safety accidents are avoided;

(3) through being provided with lifter, guide post, fly leaf and activity groove, the back is accomplished in the drawing of patterns, the screw rod reversal, the die holder rises again, the fly leaf descends, the lifter withdraws, the fixed plate slowly falls back on the die holder, the thimble is taken in the thimble groove and is convenient for mould plastics next time, the lifter is at the in-process that rises and descend, the guide post runs through the inside logical groove of fly leaf, plays limit function, the screw thread nest block inlays and keeps the lift stationarity in the activity inslot, eliminates axial force, keeps drawing of patterns stability.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the lower mold base of the present invention;

fig. 3 is a schematic front view of the movable plate of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the lower mold of the present invention.

In the figure: 1. a column; 2. an upper die; 3. a thimble groove; 4. a lower die; 5. a fixing plate; 6. a screw; 7. a threaded bushing block; 8. a movable groove; 9. a cylinder; 10. a servo motor; 11. a driving wheel and a driving belt component; 12. a base; 13. a drive shaft; 14. a guide post; 15. a movable plate; 16. a lifting rod; 17. a lower die holder; 18. a hollow cavity; 19. a top rod; 20. a thimble; 21. a jack rod groove; 22. a cavity; 23. an injection molding port; 24. an upper die holder.

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.

Example 1: referring to fig. 1-4, a demoulding mechanism suitable for a water-soluble mould comprises an upright post 1, an upper mould 2 and an upper mould seat 24, wherein a lower mould seat 17 is arranged below the upper mould seat 24, the upright post 1 is arranged on two sides of the upper mould seat 24 and the lower mould seat 17, the upper mould 2 is arranged at the bottom end of the upper mould seat 24, an injection port 23 is arranged inside the upper mould 2, a cavity 22 is arranged on two sides of the bottom end of the injection port 23, a lower mould 4 is arranged at the top end of the lower mould seat 17, a base 12 is arranged below the lower mould seat 17, an air cylinder 9 is arranged at the top end of the base 12, the output end of the air cylinder 9 is fixedly connected with a movable plate 15 through a piston rod, and a servo motor 10 is arranged at the bottom of the inner side wall of the upright post 1;

the output end of the servo motor 10 is fixedly connected with a driving shaft 13 through a coupler, the driving shaft 13 is movably connected with the top end of a base 12 through a bearing, a screw 6 is installed on the outer side of the upright post 1, a threaded sleeve block 7 is movably sleeved outside the screw 6, two sides of a lower die seat 17 are respectively and fixedly connected with the threaded sleeve block 7, and a driving wheel and a driving belt assembly 11 are installed between the driving shaft 13 and the screw 6;

specifically, as shown in fig. 1, fig. 2 and fig. 4, after the injection molding is completed, the upper mold 2 and the lower mold 4 are still in a closed state, the output end of the servo motor 10 drives the driving shaft 13 to rotate through the coupler, torque is transmitted to the screw rods 6 through the driving wheel and the driving belt assembly 11, and the two groups of screw rods 6 are driven to synchronously rotate, so that the thread sleeve block 7 drives the lower mold seat 17 to move downwards, the lower mold seat 17 descends to drive the lower mold 4 and the upper mold 2 to be separated from each other and closed, the cavity 22 is opened, the mold is stuck to the top end of the lower mold 4, and demolding is performed through automatic descending of the lower mold seat 17, so that the mold can be separated from the cavity 22 quickly, and ejection of the mold is facilitated.

Example 2: the top end of the base 12 is provided with a guide post 14, the top end of the movable plate 15 is fixedly connected with a lifting rod 16, a hollow cavity 18 is arranged at the middle position inside the lower die seat 17, the lifting rod 16 moves inside the hollow cavity 18, two sides inside the lower die 4 are provided with ejector pin grooves 3, a ejector rod groove 21 is arranged at the middle position inside the lower die 4, the bottom end of the lower die 4 is provided with a fixed plate 5, the middle position on the top end of the fixed plate 5 is provided with an ejector pin 19, two sides on the top end of the fixed plate 5 are provided with ejector pins 20, the ejector pins 20 penetrate through the inside of the ejector pin grooves 3, and the ejector pin 19 penetrates through the ejector rod groove 21 and extends to the bottom end of an injection molding port 23;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the cylinder 9 is started, the piston rod of the cylinder 9 pushes up the movable plate 15, the lifting rod 16 penetrates through the hollow cavity 18 and ejects the fixed plate 5 upwards continuously, the two groups of ejector pins 20 penetrate upwards from the ejector pin groove 3, and the mold is ejected to be separated from the lower mold 4, so that stable demolding is realized, manual demolding is not needed, and high-temperature safety accidents are avoided.

Example 3: the shape of the bottom end of the upper die 2 is matched with the shape of the top end of the lower die 4, two groups of cavities 22 are arranged and have the same shape, the thread directions of the screw rods 6 are the same, the screw rods 6 are symmetrically distributed about the vertical center line of the lower die seat 17, the movable groove 8 is formed in the upright post 1, the thread sleeve block 7 is embedded in the movable groove 8 to move, a through groove is formed in one side of the interior of the movable plate 15, and the guide post 14 penetrates through the through groove of the movable plate 15 and is movably connected with the movable plate 15;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, after demolding is completed, the screw rod 6 rotates reversely, the lower die holder 17 rises, the movable plate 15 falls, the lifting rod 16 retracts, the fixed plate 5 slowly falls back to the lower die holder 17, the thimble 20 is accommodated in the thimble groove 3 to facilitate next injection molding, the guide post 14 penetrates through the through groove in the movable plate 15 to achieve a limiting function in the rising and falling processes of the lifting rod 16, the thread bushing block 7 is embedded in the movable groove 8 to maintain the lifting stability, the axial force is eliminated, and the demolding stability is maintained.

The working principle is as follows: when the utility model is used, firstly, before the injection molding is started, the upper mold 2 and the lower mold 4 are in a closed state, the fixing plate 5 is located at the top end of the lower mold seat 17, the injection molding glue is injected from the injection port 23 and flows into the cavity 22, after the mold is molded for a period of time, the servo motor 10 is started, the servo motor 10 drives the driving shaft 13 to rotate, the screw rod 6 is driven to rotate by the transmission wheel and the transmission belt assembly 11 to transmit torque, so that the thread sleeve block 7 drives the lower mold seat 17 to move downwards, the cavity 22 is opened, the mold is adhered to the top end of the lower mold 4 at the moment, along with the slow downward movement of the lower mold seat 17, the top end of the ejector rod groove 21 is separated from the injection port 23, the air cylinder 9 is started, the piston rod of the air cylinder 9 is pushed upwards, the movable plate 15 drives the lifting rod 16 to move upwards, the lifting rod 16 penetrates through the inside of the hollow cavity 18 and pushes up one end of the fixing plate 5, so that the ejector pin 20 and the ejector rod 19 are respectively pushed out from the ejector pin groove 3 and the ejector rod groove 21, carry out the quick drawing of patterns with the mould, when fixed plate 5 top pushed to when propping against with lower mould 4 bottom, the mould was ejecting completely, taken out the mould by the arm, cylinder 9 resets this moment, fixed plate 5 descends to the bottom and offsets with lower bolster 17, thimble 20 withdraws back in thimble groove 3, servo motor 10's drive shaft 13 reversal, screw rod 6 counter-rotation, threaded sleeve piece 7 drives lower bolster 17 and rises back and offsets with fixed plate 5 to continue to move to lower mould 4 and offset with last mould 2, the die cavity 22 is closed, can carry out the injection next time.

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 demoulding mechanism suitable for water-soluble mould, includes stand (1), goes up mould (2) and upper die base (24), its characterized in that: the utility model discloses a mould, including upper die base (24), cylinder (9), piston rod fixedly connected with fly leaf (15) are passed through to the output of cylinder (9), the below of upper die base (24) is provided with die holder (17), the both sides of upper die base (24) and die holder (17) are provided with stand (1), the bottom of upper die base (24) is provided with mould (2), the inside of going up mould (2) is provided with mouth (23) of moulding plastics, the both sides of mouth (23) bottom of moulding plastics are provided with die cavity (22), the top of die holder (17) is provided with lower mould (4), the below of die holder (17) is provided with base (12), cylinder (9) are installed on the top of base (12), servo motor (10) are installed to the bottom of stand (1) inside wall.

2. The mold releasing mechanism for a water-soluble mold according to claim 1, wherein: the output of servo motor (10) passes through shaft coupling fixedly connected with drive shaft (13), bearing swing joint is passed through on drive shaft (13) and the top of base (12), screw rod (6) are installed in the outside of stand (1), screw sleeve piece (7) have been cup jointed in the outside activity of screw rod (6), movable groove (8) have been seted up to the inside of stand (1), the inside removal in movable groove (8) is inlayed in screw sleeve piece (7), the both sides of die holder (17) respectively with screw sleeve piece (7) fixed connection, install drive wheel and driving belt subassembly (11) between drive shaft (13) and screw rod (6).

3. The mold releasing mechanism for a water-soluble mold according to claim 1, wherein: guide post (14) are installed on the top of base (12), logical groove has been seted up to the inside one side of fly leaf (15), guide post (14) run through the logical groove of fly leaf (15) and with fly leaf (15) swing joint, the top fixedly connected with lifter (16) of fly leaf (15), the inside intermediate position department of die holder (17) is provided with hollow chamber (18), lifter (16) are at the inside removal in hollow chamber (18).

4. The mold releasing mechanism for a water-soluble mold according to claim 1, wherein: thimble groove (3) have been seted up to the inside both sides of lower mould (4), ejector pin groove (21) have been seted up to the inside intermediate position department of lower mould (4), the bottom of lower mould (4) is provided with fixed plate (5), the intermediate position department on fixed plate (5) top is provided with ejector pin (19), the both sides on fixed plate (5) top are provided with thimble (20), thimble (20) run through the inside of thimble groove (3), ejector pin (19) run through ejector pin groove (21) and extend to the bottom of moulding plastics mouth (23).

5. The mold releasing mechanism for a water-soluble mold according to claim 1, wherein: the shape of the bottom end of the upper die (2) is matched with the shape of the top end of the lower die (4), and two groups of cavities (22) are arranged and have the same shape.

6. The mold releasing mechanism for a water-soluble mold according to claim 2, wherein: the screw threads of the screws (6) are in the same direction, and the screws (6) are symmetrically distributed around the vertical center line of the lower die base (17).