CN220534845U - Adapting device for thermal deformation of die-casting injection molding system - Google Patents

Abstract

The utility model discloses a device for adapting thermal deformation of a die-casting injection molding system, which comprises a head plate, two plates and three plates, wherein a die is arranged between the head plate and the two plates, a fixed die is arranged on the head plate, a movable die is arranged on the two plates, the two plates are arranged on a movable guide rail, and can slide along the fixed guide rail to drive the movable die and the fixed die to be matched with each other, and can also drive the movable die to leave the fixed die, a die locking mechanism is arranged between the two plates and the three plates, and a spherical swinging mechanism is arranged between the two plates and the three plates and is connected with the die locking mechanism in series. The utility model uses the die casting and injection molding machine to connect the locking mechanism between the two plates and the three plates in series with the spherical swinging mechanism, so that the locking mechanism can adapt to the parallelism error between the two plates and the three plates caused by thermal deformation, and the movable die assembly part on the two plates is arranged to float the two plates, so that the locking mechanism can adapt to the die parallelism error caused by thermal deformation and the parallelism error between the first plate and the second plate.

Description

Adapting device for thermal deformation of die-casting injection molding system

Technical Field

The utility model relates to the technical field of die-casting injection molding, in particular to a device for adapting thermal deformation of a die-casting injection molding system.

Background

The die-casting system and the injection molding system comprise a die-casting die, a die-casting machine, an injection die and an injection machine, and are structurally characterized in that a fixed die and a movable die are respectively arranged on a head plate and a two-plate, and die mounting surfaces of the two-plate are parallel to two mounting planes of the die. The working process of the die-casting machine comprises die closing, die preheating, material heating, injection molding, die cooling, die opening and workpiece ejection, wherein the process is repeatedly circulated, a head plate and a second plate which are arranged on the die of the die-casting injection molding machine are repeatedly heated and cooled, in the process, the parallelism between the three plates and the second plate in a three-plate machine can be changed due to uneven temperature, the parallelism between two mounting surfaces of the die and the die mounting surfaces of the head plate and the second plate can be changed, the die closing is not tight, so that the flash and the thickness dimension of a pressed part are out of tolerance, the problem of splashing can be seriously caused, for example, a die casting mold for preventing the splashing of the water is introduced, but the method only can solve the problem of preventing injury, and can not solve the problem of the splashing of the quality of the part, such as flash, dimension, thickness change and the like.

Disclosure of Invention

In order to solve the problems, the utility model provides a device for adapting thermal deformation of a die-casting injection molding system, which can effectively solve the defects in the prior art.

The utility model is realized by the following technical scheme: the system has head plate, two plates and three plates, between them a mould is mounted, on the head plate a fixed mould is mounted, on the two plates a movable mould is mounted, on the movable guide rail the two plates can be slid along the fixed guide rail to drive the movable mould and fixed mould to be closed, also can drive the movable mould to be separated from the fixed mould, between two plates and three plates a mould-locking mechanism is set, and the mould-locking force direction is perpendicular to the plane of head plate, two plates and three plates, between two plates and three plates a spherical swinging mechanism and a mould-locking mechanism are series-connected, and the spherical swinging mechanism is formed from concave spherical surface and convex spherical surface plate, and the convex spherical surface back surface of concave spherical surface is a plane, and between two planes the convex spherical surface back surface of convex spherical surface plate can be parallel and can be swung in every direction.

As a preferred embodiment, the mold locking mechanism is a toggle mold locking mechanism.

As a preferable technical scheme, the mode locking mechanism is a cam mode locking mechanism.

As a preferable technical scheme, the mode locking mechanism is a hydraulic mode locking mechanism.

As a preferred embodiment, the combination of the mold locking mechanism and the spherical swing mechanism can be moved to the machine side in a direction perpendicular to the mold locking direction.

The utility model relates to a device for adapting thermal deformation of a die-casting injection molding system, which comprises a head plate, two plates and three plates, wherein a die is arranged between the head plate and the two plates, a fixed die is arranged on the head plate, a movable die is arranged on the two plates, the two plates are arranged on a movable guide rail, and can slide along the fixed guide rail to drive the movable die and the fixed die to be matched with each other, and can also drive the movable die to leave the fixed die, a die locking mechanism is arranged between the two plates and the three plates, the die locking force direction is perpendicular to the planes of the head plate, the two plates and the three plates, the two plates and the movable guide rail can be in floating connection in any plane perpendicular to the die locking force direction, and can generate non-parallel swing with the plane, the floating range is larger than dislocation of the movable die caused by thermal deformation, and the swing range is larger than the inclination angle of the joint surface of the movable die caused by thermal deformation.

As an optimal technical scheme, when the tie bar is used as a two-plate movement guiding and fixing guide rail, the tie bar consists of an outer frame and two floating plates, and elastic parts are connected between the outer frame and the two floating plates.

As the preferable technical proposal, when the movable guide surface of the two plates is a plane, the two plates are divided into a flat guide rail two-plate outer frame and a floating two-plate, the outer frame is fixed on the movable guide rail, and the floating two-plate is connected between the outer frame and the elastic piece.

As the preferable technical scheme, when the moving guide rail surface of the two plates is a plane, elastic pieces are connected with the moving guide rail in a floating way.

As the preferable technical scheme, the lower part of the movable mould is provided with a mould adjusting auxiliary spring support and an adjustable height component for adjusting the height of the movable mould.

As the preferable technical scheme, the bottom of the elastic piece is provided with a height-adjustable component for adjusting the height of the movable die 3.

As the preferable technical proposal, gaps are arranged between the periphery of the floating two plates and the outer frame, a plurality of floating springs are arranged in the gaps in a plane vertical to the direction of the clamping force, and a plurality of spigot gaps are arranged between the floating two plates and the outer frame in two directions along the direction of the clamping force and are provided with swinging floating springs.

The beneficial effects of the utility model are as follows: the utility model uses the die casting and injection molding machine to connect the locking mechanism between the two plates and the three plates in series with the spherical swinging mechanism, so that the locking mechanism can adapt to the parallelism error between the two plates and the three plates caused by thermal deformation, and the movable die assembly part on the two plates is arranged to float the two plates, so that the locking mechanism can adapt to the die parallelism error caused by thermal deformation and the parallelism error between the first plate and the second plate.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a mold closing of the present utility model;

FIG. 2 is a schematic diagram showing mold clamping inaccuracy caused by non-uniform thermal deformation of the mold according to the present utility model;

FIG. 3 is a schematic diagram showing the relative positions of the first and second plates when the mold is uniformly clamped;

FIG. 4 is a schematic view of a spherical swing mechanism according to the present utility model;

FIG. 5 is a schematic diagram of a spherical swing mechanism plus cam locking mechanism of the present utility model;

FIG. 6 is a schematic diagram of a spherical swing mechanism plus independent cam locking mechanism of the present utility model;

FIG. 7 is a schematic diagram of a three plate machine swing assembly mold locking mechanism of the present utility model;

FIG. 8 is a schematic plan view of a moving guide of a two-plate moving guide of the present utility model;

FIG. 9 is a diagram of the swing and cam lock mechanism assemblies of the present utility model in relation to a machine;

FIG. 10 is a schematic view of the swing assembly and cam lock mechanism of the present utility model in the crime side removal machine, two plates and mold retracted positions;

FIG. 11 is a top view of the swing assembly and cam lock mechanism of the present utility model in the crime side out of the machine, with the two plates and mold retracted positions;

FIG. 12 is a diagram showing the assembly of the present utility model with two plates moved to close the mold;

FIG. 13 is a diagram showing the floating connection of two plates when the moving rail of the two-plate moving rail of the present utility model is a plane;

FIG. 14 is a schematic diagram showing floating connection of two plates when the fixed rail of the two-plate moving rail of the present utility model is a tie bar;

FIG. 15 is a front view of the floating connection of two plates when the fixed rail of the two plate moving rail of the present utility model is a tie bar;

FIG. 16 is a diagram of the positions of the tie bar guide frame and the floating two-plate spring of the present utility model;

FIG. 17 is a view of the positions of the flat rail two-plate housing and floating two-plate spring of the present utility model;

FIG. 18 is a schematic view of a swing assembly wedge lock, floating two plate assembly of the present utility model;

FIG. 19 is a schematic view of the integral floating two-plate mold adjustment assist spring support of the present utility model;

FIG. 20 is a schematic view of the tie bar guide rail moving guide rail frame mold adjustment assist spring support of the present utility model;

FIG. 21 is a schematic view of an adjustable height spring mount of the present utility model;

description of the drawings:

1. a plate; 2. a fixed mold; 3. a movable mold; 4. two plates; 41. the tie bar fixes the guide rail to move the guide rail frame; 42. the tie bar moves the floating two plates of the guide rail; 43. integrally floating the two plates; 44. a flat guide rail two-plate outer frame; 45. the flat guide rail floats two plates; 5. a convex spherical swing plate; 6. concave spherical swing plate; 7. an active cam; 71. a passive wedge; 72. a passive wedge pallet; 8. a mold locking mechanism; 9. three plates; 10. a cross beam; 11. two plate moving guide rails; 12. a second plate fixed guide rail; 13. a swing locking mechanism bracket; 14. wedge moving cylinder; 15. the swing locking assembly moves the guide rail; 16. the swing locking assembly moves the oil cylinder; 17. an elastic element; 171. translating the floating spring; 172. swinging the floating bullet; 18. a tie bar; 19. the tie bar fixing guide rail moves the guide rail frame die adjustment auxiliary spring supporting seat; 20. a die adjusting auxiliary spring; 21. an adjustable die adjustment assist spring assembly; 211. the height-adjustable horizontal wedge; 212, height-adjustable wedge; 213. a height adjustment nut; 214. a height adjusting screw; 215. an adjustable die adjusts the auxiliary spring base;

Detailed Description

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

Example 1

As shown in fig. 9, 10, 11 and 12, a square frame is formed by a first plate 1, a third plate 9 and a cross beam 10, a fixed die is arranged on the first plate, a movable die 3 is arranged on the second plate, a second plate moving guide rail formed by a second plate fixed guide rail 12 and a second plate moving guide rail 11 is arranged on a lower die wedge 10, a swing locking assembly is arranged between the second plate 4 and the third plate 9, a spherical swinging member is formed by a concave spherical swinging plate 6 and a convex spherical swinging plate 5, the locking member is formed by an active wedge 7 and a passive wedge 71 and is arranged on a component bracket swing locking mechanism bracket 13, the upper part of the swing locking mechanism bracket 13 is arranged on a wedge moving cylinder 14 for pushing the active wedge 7 to move up and down so as to achieve the purposes of die locking or unlocking, and the swing locking mechanism bracket 13 is acted by a passive wedge supporting plate 72. In fig. 12, there are a swinging assembly, a moving guide rail 15 of the swinging locking assembly and a moving cylinder 16 of the swinging locking assembly, the swinging locking assembly is mounted on the moving guide rail 15 of the swinging locking assembly, the moving cylinder 16 of the swinging locking assembly can send the mold locking mechanism 8 between the two plates 4 and the three plates 9 for locking the mold, and also can pull the mold locking mechanism 8 out of the position between the two plates 4 and the three plates 9, so that the two plates 4 and the movable mold 3 can be retreated along the fixed guide rail 12 under the driving of the movable guide rail 11, the movable mold 3 and the fixed mold 2 are separated, the formed space is used for demolding of the part, fig. 10 is a part demolding space formed by separating the two plates 4 and the movable mold 3 from the fixed mold 2, fig. 11 is a top view of fig. 10, and fig. 12 is a top view of the part after demolding, the swinging locking assembly has not entered between the two plates 4 and the three plates 9. The embodiment can adapt to the situation of parallelism error between the three plates and the two plates caused by thermal deformation. The cam moving cylinder is in a mode locking state when the driving cam 7 is pressed down, and is in a mode unlocking state when the driving cam is pulled up, and the height adjusting screw 214 can adjust the height of the movable die 3 so as to align the taper pins and the hole heights on the movable die 3 and the fixed die 2.

Example 2

The swing and hydraulic components of the swing and locking assembly can be realized by replacing the active wedge 7 and the passive wedge 71 in the embodiment 1 with hydraulic cylinders.

Example 3

As shown in fig. 13, 18, 19 and 21, unlike in embodiments 1 and 2, a plurality of elastic members 17 are interposed between the integrally floating two plates 43 and the movable rail 11 so that the two plates 4 and the movable mold 3 can swing or be floatingly displaced in a plane perpendicular to the mold clamping force direction, and the positioning of the mold clamping is based on the adhesion of the two surfaces of the fixed mold 2 and the fixed mold 3, and the positioning is based on the guide taper pins between the fixed mold 2 and the movable mold 3 in a plane perpendicular to the mold clamping force direction. The embodiment can adapt to the thermal deformation of the die and the parallelism error of the two plates. In fig. 19, a plurality of auxiliary die adjusting springs 20 and auxiliary adjustable die adjusting spring assemblies 21 are arranged at the lower part of the movable die 3, and the height adjusting screws 214 can adjust the height of the movable die 3 so as to align taper pins and holes on the movable die 3 and the fixed die 2.

Example 4

As shown in fig. 14 and 15, in the machine using the tie bar 18 as the guide for the movement of the two plates 4, the two plates are divided into an outer frame 41 and a floating two plates with an elastic member support 17 therebetween so that the floating two plates can float in a plane perpendicular to the mold locking direction and swing to accommodate the parallel change due to thermal deformation on the mold locking surface of the fixed mold 2 and the movable mold 3, unlike in the embodiment 3. The tie bar fixed rail moving rail frame 41 of fig. 20 is provided with a tie bar fixed rail moving rail frame mold adjusting auxiliary spring supporting seat 19, an elastic element 17 is arranged between the tie bar moving rail floating two plates 42 and the tie bar fixed rail moving rail frame 41, the tie bar fixed rail moving rail frame 41 is provided with a movable mold 3, the fixed mold 3 and the tie bar fixed rail moving rail frame mold adjusting auxiliary spring supporting seat 19 are provided with a plurality of mold adjusting auxiliary springs 20 and an adjustable mold adjusting auxiliary spring assembly 21, the height adjusting screw 214 can enable the height-adjustable wedge 211 to horizontally move, and the height-adjustable wedge 212 can lift and adjust the height and the inclination of the movable mold 3 so as to enable taper pins and holes on the movable mold 3 and the fixed mold 2 to be aligned.

Example 5

As shown in fig. 16 and 17, unlike in embodiment 3, the integral floating two-plate 43 and the elastic member 17 in fig. 13 are replaced with the flat rail two-plate outer frame 44, the flat rail floating two-plate 45 and the translational floating spring 171, and the swinging floating spring 172 in fig. 7, the flat rail two-plate outer frame 44 is fixed on the two-plate movable rail 11, gaps are provided around the flat rail floating two-plate 45 and in the inner cavity of the flat rail two-plate outer frame 44, a plurality of translational floating springs 171 are provided in the gaps, the flat rail two-plate outer frame 44 and the rail floating two-plate 45 are provided with two-way spigot and spigot gaps in the clamping force direction, and a plurality of swinging floating springs 172 are provided in the spigot gaps on both sides, so that the rail floating two-plate 45 can swing and float.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims (12)

1. The utility model provides a die-casting injection molding system heat altered adaptation device, the system has first board, two boards and three boards, is equipped with the mould between first board and the two boards, is equipped with the cover half on the first board, is equipped with the movable mould on the two boards, and two boards dress are on the movable guide rail along the sliding of fixed guide rail can drive movable mould and cover half compound die, also can drive the movable mould and leave the cover half, have mode locking mechanism between two boards and the three boards, and mode locking force direction is perpendicular with first board, two boards, three boards planes, its characterized in that: the spherical swinging mechanism and the mold locking mechanism are connected in series between the two plates and the three plates, the spherical swinging mechanism consists of a concave spherical surface and a convex spherical surface which are mutually matched, the back surface of the convex spherical surface of the concave spherical surface is a plane, the back surface of the convex spherical surface is a plane, and the two planes can swing in parallel and in all directions.

2. The apparatus for adapting to thermal deformation of a die casting and injection molding system according to claim 1, wherein: the mode locking mechanism is a toggle mode locking mechanism.

3. The apparatus for adapting to thermal deformation of a die casting and injection molding system according to claim 1, wherein: the mode locking mechanism is a cam mode locking mechanism.

4. The apparatus for adapting to thermal deformation of a die casting and injection molding system according to claim 1, wherein: the mold locking mechanism is a hydraulic mold locking mechanism.

5. The device for adapting to thermal deformations of a die-casting and injection-molding system according to claim 1, 3 or 4, characterized in that: the combination of the mold locking mechanism and the spherical swing mechanism can move to the side of the machine in a direction perpendicular to the mold locking direction.

6. The utility model provides a die-casting injection molding system heat altered adaptation device, the system has first board, two boards and three boards, is equipped with the mould between first board and the two boards, is equipped with the cover half on the first board, is equipped with the movable mould on the two boards, and two boards dress are on the movable guide rail along the sliding of fixed guide rail can drive movable mould and cover half compound die, also can drive the movable mould and leave the cover half, have mode locking mechanism between two boards and the three boards, and mode locking force direction is perpendicular with first board, two boards, three boards planes, its characterized in that: the two plates and the movable guide rail can be connected in a floating way, the two plates can float at will in a plane vertical to the direction of the mold locking force and can swing in a non-parallel way with the plane, the floating range is larger than the dislocation of the fixed and movable molds caused by thermal deformation, and the swinging range is larger than the inclination angle of the joint surface of the fixed and movable molds caused by thermal deformation.

7. The apparatus for accommodating thermal deformation of a die-casting injection molding system according to claim 6, wherein: when the tie bar is used as the two-plate motion guiding and guiding rail, the tie bar consists of an outer frame and two floating plates, which are connected by an elastic piece.

8. The apparatus for accommodating thermal deformation of a die-casting injection molding system according to claim 6, wherein: when the moving guide surface of the two plates is a plane, the two plates are divided into a flat guide rail two-plate outer frame and a floating two-plate, the outer frame is fixed on the moving guide rail, and the floating two-plate is connected between the outer frame and the floating two-plate by an elastic piece.

9. The apparatus for accommodating thermal deformation of a die-casting injection molding system according to claim 6, wherein: when the moving guide rail surface of the two plates is a plane, the bottoms of the two plates are in floating connection with the moving guide rail through elastic pieces.

10. The device for adapting to thermal deformations of a die-casting injection molding system according to claim 6 or 7 or 8, characterized in that: the lower part of the movable mould is provided with a mould adjusting auxiliary spring support and an adjustable height component for adjusting the height of the movable mould.

11. The apparatus for accommodating thermal deformation of a die-cast injection molding system according to claim 9, wherein: the bottom of the elastic piece is provided with a height-adjustable component for adjusting the height of the movable die.

12. The device for adapting to thermal deformations of a die-casting and injection-molding system according to claim 7 or 8, characterized in that: gaps are arranged between the periphery of the floating two plates and the outer frame, a plurality of floating springs in planes perpendicular to the direction of the clamping force are arranged in the gaps, spigot gaps are arranged between the floating two plates and the outer frame in two directions in the direction of the clamping force, and swinging floating springs are arranged in the spigot gaps.