CN217704484U

CN217704484U - Laminated die

Info

Publication number: CN217704484U
Application number: CN202222000976.1U
Authority: CN
Inventors: 于昕世; 许善鹏; 史允岭; 李永柱; 刘琨
Original assignee: Qingdao Justuse Moulds Technology Co ltd
Current assignee: Qingdao Justuse Moulds Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-11-01
Anticipated expiration: 2032-08-01

Abstract

The utility model relates to a laminated mold, which comprises a hot runner system, a mold frame system and an actuating system, wherein the hot runner system is fixed in the mold frame system, and the actuating system is fixed outside the mold frame system; the die carrier system comprises movable die plates arranged on two sides and two fixed die plates arranged between the two movable die plates, the movable die plates are abutted against the fixed die plates, and a plurality of groups of supporting assemblies are arranged at the lower end and the front and rear sides of the die carrier system; the action system comprises driving components symmetrically fixed at the upper end and the lower end of the die carrier system and limiting components symmetrically fixed at the front side and the rear side of the die carrier system; one end of the driving assembly is fixed on the outer wall of the fixed die plate, the other end of the driving assembly is fixed on the outer wall of the movable die plate, one end of the limiting assembly is fixed on the outer wall of the movable die, and the other end of the limiting assembly is connected to the outer wall of the fixed die in a sliding mode. Through the scheme, the movable mould plate and the fixed mould plate can be guaranteed to be subjected to uniform opening and closing force when being opened and closed, so that the movable mould plate and the fixed mould plate can be synchronously separated or combined, and the effective realization of a synchronous opening technology is ensured.

Description

Laminated die

Technical Field

The utility model belongs to the technical field of mould plastics, concretely relates to stack mould.

Background

The laminated mold is a novel efficient, quick and energy-saving injection mold, and is most suitable for molding large flat parts, parts such as shallow-cavity shells, small multi-cavity thin-wall parts and parts needing mass production. Unlike conventional molds, a stack mold is a mold in which a plurality of cavities are arranged in a mold pair in an overlapping manner in a mold closing direction, and such a mold generally has a plurality of parting surfaces, and one or more cavities may be arranged on each parting surface. Compared with the conventional die, the yield of the laminated die can be increased by 90-95%, the equipment utilization rate and the production rate are greatly improved, and the cost is reduced.

In order to ensure that the plastic parts shrink uniformly, the residence time of the plastic parts in each cavity is equivalent, and the condition that the parting surfaces of the cavities of each layer are opened at the same time is ensured. The laminated mold structurally comprises a hot runner system, a mold frame system, a bearing guide system, a two-way ejection system, a mold opening and closing linkage system and other special systems, and is complex in structure and high in requirements on processing and assembling processes. In order to realize smooth mold opening, the mold opening mechanism of the existing laminated mold is generally complex in structure, and the mold opening distance needs to be further improved in precise control.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stromatolite mould to solve above-mentioned technical problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a laminated mold comprises a hot runner system for injection molding, a mold frame system for supporting and combining the hot runner system and an action system for controlling the opening and closing of the mold frame system, wherein the hot runner system is fixed in the mold frame system, and the action system is fixed on the outer side of the mold frame system;

the die carrier system comprises movable die plates arranged on two sides and two fixed die plates arranged between the two movable die plates, the movable die plates are abutted against the fixed die plates, and a plurality of groups of supporting assemblies are arranged at the lower end and the front and rear sides of the die carrier system;

the action system comprises driving components symmetrically fixed at the upper end and the lower end of the die carrier system and limiting components symmetrically fixed at the front side and the rear side of the die carrier system;

one end of the driving assembly is fixed on the outer wall of the fixed die plate, the other end of the driving assembly is fixed on the outer wall of the movable die plate, one end of the limiting assembly is fixed on the outer wall of the movable die, and the other end of the limiting assembly is connected to the outer wall of the fixed die in a sliding mode.

Wherein, the utility model discloses can also further include following technical scheme: the driving assembly comprises a hydraulic oil cylinder and a push rod which is connected to the hydraulic oil cylinder in a telescopic mode, the hydraulic oil cylinder is fixed to the fixed die plate, a push plate used for fixing the end portion of the push rod is further arranged between the fixed die plate and the movable die plate, two sides of the push plate horizontally extend outwards along the direction of the movable die plate to be flush with the hydraulic oil cylinder, and pad legs used for isolating the distance between the fixed die plate and the push plate are further arranged on the front side and the rear side of the push plate.

Wherein, the utility model discloses can also further include following technical scheme: spacing subassembly includes the fixed plate, rotates rotary gear, meshing connection on the fixed plate and connect in the rack of rotary gear both sides and be fixed in the fixed strip in the rack outside, and both sides rack and rotary gear meshing transmission opposite direction, both sides the fixed strip parallel interval is fixed in on the fixed die plate, the fixed plate passes through support fixed connection on the fixed die plate.

Wherein, the utility model discloses can also further include following technical scheme: the two limiting assemblies are respectively arranged on the front side and the rear side of the die carrier system, and are arranged in parallel at intervals.

Wherein, the utility model discloses can also further include following technical scheme: still parallel arrangement has at least a set of first supporting component who is used for assistance-localization real-time between two sets of spacing subassemblies, first supporting component is including being fixed in the stopper on the fixed die plate and being fixed in the limiting plate on the movable mould board, the stopper parallel interval is provided with two sets ofly, limiting plate sliding connection is between two stoppers.

Wherein, the utility model discloses can also further include following technical scheme: two be provided with three mutual fixed connection's hot runner plate between the fixed die plate, fixed die plate and hot runner plate fixed connection, two the movable mould board outside is fixedly connected with bedplate respectively, but the bracing piece of the scalable motion of fixedly connected with between two bedplates, the bracing piece is in bedplate four corners department sets up respectively, correspond on movable mould board, fixed die plate and the hot runner plate the hole of stepping down has been seted up respectively to the installation position of bracing piece.

Wherein, the utility model discloses can also further include following technical scheme: the fixed die plate is characterized in that a guide post of a limiting support rod is fixed in the yielding hole of the fixed die plate, and the support rod is in sliding connection with the guide post.

Wherein, the utility model discloses can also further include following technical scheme: the die carrier system comprises a die carrier system, and is characterized in that second supporting assemblies are arranged on two sides of a driving assembly and comprise supporting bottom plates fixedly connected to the inner sides of two seat plates and supporting top plates fixedly connected to a fixed die plate respectively, limiting sliding grooves are formed in the supporting bottom plates, the supporting top plates are in sliding connection in the limiting sliding grooves, and the supporting bottom plates are flush with the top surfaces of the supporting top plates after being connected in a matched mode.

Wherein, the utility model discloses can also further include following technical scheme: the hot runner system comprises a nozzle assembly and a hot runner assembly, wherein the nozzle assembly comprises a main nozzle, a nozzle flow distribution plate fixedly communicated with the main nozzle, a valve nozzle fixedly communicated with the nozzle flow distribution plate and a butt nozzle fixedly communicated with the valve nozzle, and the hot runner assembly comprises a hot runner flow distribution plate fixedly communicated with the butt nozzle and a plurality of hot nozzles fixedly communicated with the hot runner flow distribution plate.

Wherein, the utility model discloses can also further include following technical scheme: the hot runner plate is internally fixed with a hot runner assembly, a mold cavity is arranged in the fixed mold plate, a mold core is arranged in the movable mold plate, the hot runner is connected with the outside through a nozzle assembly, the nozzle assembly is fixed on a hot runner top plate, the hot runner top plate is arranged between a push plate on one side and a seat plate, and a containing hole is formed in the seat plate corresponding to the mounting position of the nozzle assembly.

Has the advantages that:

the utility model discloses an outside symmetry at fixed die plate and movable mould board is provided with drive assembly to drive assembly sets up in the upper and lower both ends of die carrier system, thereby guarantees that movable mould board and fixed die plate can receive even opening and shutting power when opening and shutting, makes movable mould board and fixed die plate can the synchronous separation or merge, ensures the effective realization of synchronous die sinking technique.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a laminated mold according to the present invention;

fig. 2 is a schematic view of another side of the laminated mold according to the present invention;

fig. 3 is a left side view structural diagram of the lamination mold of the present invention;

fig. 4 is a schematic top view of the laminated mold according to the present invention;

fig. 5 is a schematic view of a bottom view of the laminated mold of the present invention;

fig. 6 is a schematic structural view of a part of a mold frame system of a laminated mold according to the present invention;

fig. 7 is a schematic structural view of an internal portion of a stack mold according to the present invention;

fig. 8 is a schematic structural view of a limiting component of a stack mold according to the present invention;

fig. 9 is a schematic structural view of a second supporting component of the stack mold according to the present invention;

fig. 10 is a schematic structural view of a hot runner system of a stack mold according to the present invention.

Wherein the reference numbers are: 100. a hot runner system; 110. a main nozzle; 120. a nozzle flow distribution plate; 130. a valve-type nozzle; 140. butting nozzles; 150. a hot runner manifold; 160. a hot nozzle; 200. a formwork system; 210. moving the template; 220. fixing a template; 230. pushing the plate; 240. a leg pad; 250. a hot runner plate; 260. a hot runner top plate; 270. a seat plate; 280. a support bar; 290. a guide post; 300. an action system; 310. a drive assembly; 320. a limiting component; 321. a fixing plate; 322. a rotating gear; 323. a rack; 324. a fixing strip; 325. a support; 330. a first support assembly; 331. a limiting block; 332. a limiting plate; 340. a second support assembly; 341. a support base plate; 342. a limiting chute; 343. supporting the top plate.

Detailed Description

The technical solutions in the embodiments of the present invention are described below clearly and completely in conjunction with the specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

A stack mold comprises a hot runner system 100 for injection molding, a mold frame system 200 for supporting and hot runner system 100, and an action system 300 for controlling opening and closing of mold frame system 200, wherein hot runner system 100 is fixed inside mold frame system 200, and action system 300 is fixed outside mold frame system 200;

the die carrier system 200 comprises movable die plates 210 arranged on two sides and two fixed die plates 220 arranged between the two movable die plates 210, the movable die plates 210 are abutted against the fixed die plates 220, and a plurality of groups of supporting components are arranged at the lower end and the front and rear sides of the die carrier system 200;

the actuating system 300 comprises driving components 310 symmetrically fixed at the upper end and the lower end of the mould frame system 200 and limiting components 320 symmetrically fixed at the front side and the rear side of the mould frame system 200;

one end of the driving component 310 is fixed on the outer wall of the fixed die plate 220, the other end of the driving component is fixed on the outer wall of the movable die plate 210, one end of the limiting component 320 is fixed on the outer wall of the movable die, and the other end of the limiting component is connected to the outer wall of the fixed die in a sliding mode.

The driving assemblies 310 are symmetrically arranged on the outer sides of the fixed die plate 220 and the movable die plate 210, and the driving assemblies 310 are arranged at the upper end and the lower end of the die carrier system 200, so that the movable die plate 210 and the fixed die plate 220 can be ensured to be subjected to uniform opening and closing force when being opened and closed, the movable die plate 210 and the fixed die plate 220 can be synchronously and horizontally separated or combined, and the effective realization of a synchronous die opening technology is ensured.

Wherein, the utility model discloses can also further include following technical scheme: the driving assembly 310 comprises a hydraulic oil cylinder and a push rod telescopically connected to the hydraulic oil cylinder, the hydraulic oil cylinder is fixed on the fixed die plate 220, a push plate 230 used for fixing the end part of the push rod is further arranged between the fixed die plate 220 and the movable die plate 210, two sides of the push plate 230 horizontally extend outwards along the direction of the movable die plate 210 to be flush with the hydraulic oil cylinder, and pad legs 240 used for isolating the distance between the fixed die plate 220 and the push plate 230 are further arranged on the front side and the rear side of the push plate 230. The die opening device is driven by the hydraulic oil cylinder, is convenient to maintain, has lower cost, and can support the die opening action of a larger die.

Wherein, the utility model discloses can also further include following technical scheme: the limiting assembly 320 comprises a fixed plate 321, a rotating gear 322 rotatably connected to the fixed plate 321, racks 323 engaged with two sides of the rotating gear 322, and fixing strips 324 fixed to the outer sides of the racks 323, wherein the racks 323 at two sides are opposite to the engaging transmission direction of the rotating gear 322, the fixing strips 324 at two sides are fixed to the fixed die plate 220 in parallel at intervals, and the fixed plate 321 is fixedly connected to the fixed die plate 220 through a bracket 325. In the opening and closing process, as the driving assembly 310 drives the movable mold plate 210 to separate towards two sides, the fixed bars 324 fixed on the fixed mold plate 220 also move towards two sides relatively, the racks 323 at the inner sides of the two fixed bars 324 move relatively in parallel, and due to the meshing connection of the rotating gears 322, the two racks 323 can move towards two sides in a stepping manner at the same speed, so that the uniformity of the mold opening process at two sides is ensured, and the mold opening precision is improved.

Wherein, the utility model discloses can also further include following technical scheme: the two groups of limiting assemblies 320 are respectively arranged on the front side and the rear side of the die carrier system 200, and the two groups of limiting assemblies 320 are arranged in parallel at intervals. The four limiting assemblies 320 are symmetrically arranged on the die carrier systems 200 on the front side and the rear side, so that the opening and closing processes between the plates are all restricted by the limiting assemblies 320, the opening and closing precision is improved, and batch rapid production operation is facilitated.

Wherein, the utility model discloses can also further include following technical scheme: still parallel arrangement has at least a set of first supporting component 330 that is used for assistance-localization real-time between two sets of spacing subassemblies 320, first supporting component 330 is including being fixed in stopper 331 on the fixed die plate 220 and being fixed in the limiting plate 332 on the movable die plate 210, stopper 331 parallel interval is provided with two sets ofly, limiting plate 332 sliding connection is between two stopper 331. The first supporting component 330 is arranged to assist in supporting the opening and closing of the die carrier system 200, so that relative displacement is not generated in the front-back direction in the opening and closing process of the die carrier system 200.

Wherein, the utility model discloses can also further include following technical scheme: two be provided with three mutual fixed connection's hot runner plate 250 between the fixed die plate 220, fixed die plate 220 and hot runner plate 250 fixed connection, two the movable mould board 210 outside is fixedly connected with bedplate 270 respectively, but fixedly connected with telescopic motion's bracing piece 280 between two bedplate 270, the bracing piece 280 is in bedplate 270 four corners department sets up respectively, correspond on movable mould board 210, fixed die plate 220 and the hot runner plate 250 the hole of stepping down has been seted up respectively to the installation position of bracing piece 280. The bracing piece 280 sets up on four angles of die carrier system 200 for die carrier system 200 can both receive bracing piece 280's support when the action that opens and shuts, promotes the steady stress state of the process of opening and shutting, ensures the stability of the process of opening and shutting, and then promotes product quality, is favorable to realizing the batch production of mould.

Specifically, when the laminated mold is applied to a 1000T injection molding machine, the heights of the correspondingly arranged plates are respectively as follows: the thickness of the base plate 27035mm, the thickness of the push plate 23050mm, the thickness of the pad leg 240145mm, the thickness of the core 110mm, the thickness of the cavity 90mm, the thickness of the hot runner plate 25070mm +95mm +70mm, the thickness of the hot runner top plate 260105mm, the relative limit thickness except the sizes of the cavity and the core corresponding to the product, and the raw material configuration cost are low.

Wherein, the utility model discloses can also further include following technical scheme: a guide post 290 of the limit support rod 280 is fixed in the abdicating hole of the fixed template 220, and the support rod 280 is slidably connected in the guide post 290. The guide posts 290 are arranged to limit the moving range of the support rod 280, so that the die carrier system 200 can be further accurately limited to open and close only in the fixed horizontal direction of the support rod 280.

Wherein, the utility model discloses can also further include following technical scheme: the two sides of the driving assembly 310 at the lower end of the formwork system 200 are provided with second supporting assemblies 340, each second supporting assembly 340 comprises a supporting bottom plate 341 fixedly connected to the inner sides of the two seat plates 270 and a supporting top plate 343 fixedly connected to the fixed formwork 220, a limiting sliding groove 342 is formed in the supporting bottom plate 341, the supporting top plate 343 is slidably connected in the limiting sliding groove 342, and the top surfaces of the supporting bottom plate 341 and the supporting top plate 343 after being connected in a matching manner are flush. Particularly, the bottom of supporting roof 343 is provided with the gyro wheel, the gyro wheel slides in spacing spout 342, reduce the frictional force of supporting roof 343 and supporting bottom plate 341 in the relative slip in-process, make the process of opening and shutting more steady, carry out stable bearing support to die carrier system 200 through setting up second supporting component 340, make the action of opening and shutting that die carrier system 200 can be steady, utilize spacing spout 342 restriction to support the sliding distance of roof 343 simultaneously, the degree of opening and shutting of die carrier system 200 is injectd to the accuracy.

Wherein, the utility model discloses can also further include following technical scheme: the hot runner system 100 includes a nozzle assembly including a main nozzle 110, a nozzle manifold 120 fixedly communicating with the main nozzle 110, a valve nozzle 130 fixedly communicating with the nozzle manifold 120, and a docking nozzle 140 fixedly communicating with the valve nozzle 130, and a hot runner assembly including a hot runner manifold 150 fixedly communicating with the docking nozzle 140, and a plurality of hot nozzles 160 fixedly communicating with the hot runner manifold 150. Particularly, the plurality of hot nozzles 160 are distributed up and down, so that the mold can be synchronously molded and opened on the upper side and the lower side, the average injection molding period is shortened by half, the production efficiency of the mold is improved, the molding cost is reduced, the consistency of the molding degree and the composition of the mold on the upper side and the lower side is ensured, and the yield is improved.

Wherein, the utility model discloses can also further include following technical scheme: the hot runner plate 250 is internally fixed with a hot runner assembly, the fixed die plate 220 is internally provided with a die cavity, the movable die plate 210 is internally provided with a die core, the hot runner is connected with the outside through a nozzle assembly, the nozzle assembly is fixed on a hot runner top plate 260, the hot runner top plate 260 is arranged between a push plate 230 and a seat plate 270 on one side, and a containing hole is formed in the seat plate 270 corresponding to the installation position of the nozzle assembly. Specifically, the nozzle manifold 120 of the nozzle assembly is secured to the interior of the hot runner top plate 260 and the primary nozzles 110 are secured to the base plate 270 in an outwardly open position.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A stack mold, comprising: the hot runner system comprises a hot runner system (100) for injection molding, a mold frame system (200) for supporting and combining the hot runner system (100), and an action system (300) for controlling the opening and closing of the mold frame system (200), wherein the hot runner system (100) is fixed in the mold frame system (200), and the action system (300) is fixed on the outer side of the mold frame system (200);

the die carrier system (200) comprises movable die plates (210) arranged on two sides and two fixed die plates (220) arranged between the two movable die plates (210), the movable die plates (210) are abutted against the fixed die plates (220), and a plurality of groups of supporting components are arranged at the lower end and the front and rear sides of the die carrier system (200);

the actuating system (300) comprises driving components (310) symmetrically fixed at the upper end and the lower end of the die carrier system (200) and limiting components (320) symmetrically fixed at the front side and the rear side of the die carrier system (200);

drive assembly (310) one end is fixed in on the fixed die board (220) outer wall, the other end is fixed in on the movable mould board (210) outer wall, spacing subassembly (320) one end is fixed in on the movable mould outer wall, other end sliding connection in on the fixed die outer wall.

2. A stack mould according to claim 1, characterized in that: the driving assembly (310) comprises a hydraulic oil cylinder and a push rod which is connected to the hydraulic oil cylinder in a telescopic mode, the hydraulic oil cylinder is fixed to the fixed die plate (220), a push plate (230) used for fixing the end portion of the push rod is further arranged between the fixed die plate (220) and the movable die plate (210), two sides of the push plate (230) horizontally extend outwards to be flush with the hydraulic oil cylinder along the direction of the movable die plate (210), and pad legs (240) used for isolating the distance between the fixed die plate (220) and the push plate (230) are further arranged on the front side and the rear side of the push plate (230).

3. The stack mold of claim 1, wherein: spacing subassembly (320) include fixed plate (321), rotate rotatory gear (322) of connecting on fixed plate (321), mesh and connect in rack (323) of rotatory gear (322) both sides and be fixed in fixed strip (324) in rack (323) outside, both sides rack (323) are opposite with rotatory gear (322) meshing transmission direction, both sides fixed strip (324) parallel interval is fixed in on fixed die plate (220), fixed plate (321) pass through support (325) fixed connection on fixed die plate (220).

4. The stack mold of claim 1, wherein: the two limiting assemblies (320) are respectively arranged on the front side and the rear side of the die carrier system (200) in two groups, and the two limiting assemblies (320) are arranged in parallel at intervals.

5. The stack mold of claim 4, wherein: still parallel arrangement has at least a set of first supporting component (330) that is used for assistance-localization real-time between two sets of limiting component (320), first supporting component (330) is including being fixed in stopper (331) on fixed die plate (220) and being fixed in limiting plate (332) on movable die plate (210), stopper (331) parallel interval is provided with two sets ofly, limiting plate (332) sliding connection is between two stopper (331).

6. The stack mold of claim 2, wherein: two be provided with three mutual fixed connection's hot runner plate (250) between fixed die plate (220), fixed die plate (220) and hot runner plate (250) fixed connection, two fixed die plate (210) outside difference fixedly connected with bedplate (270), fixedly connected with scalable motion's bracing piece (280) between two bedplates (270), bracing piece (280) are in bedplate (270) four corners department sets up respectively, correspond on movable die plate (210), fixed die plate (220) and the hot runner plate (250) the hole of stepping down has been seted up respectively to the installation position of bracing piece (280).

7. The stack mold of claim 6, wherein: the guide post (290) of the limiting support rod (280) is fixed in the abdicating hole of the fixed template (220), and the support rod (280) is in sliding connection with the guide post (290).

8. The stack mold of claim 6, wherein: the two sides of the driving assembly (310) positioned at the lower end of the formwork system (200) are provided with second supporting assemblies (340), each second supporting assembly (340) comprises a supporting bottom plate (341) fixedly connected to the inner sides of the two seat plates (270) and a supporting top plate (343) fixedly connected to the fixed formwork (220), a limiting sliding groove (342) is formed in each supporting bottom plate (341), each supporting top plate (343) is connected with the corresponding limiting sliding groove (342) in a sliding mode, and the top surfaces of the supporting bottom plates (341) and the supporting top plates (343) after being connected in a matched mode are flush.

9. The stack mold of claim 6, wherein: the hot runner system (100) comprises a nozzle assembly and a hot runner assembly, wherein the nozzle assembly comprises a main nozzle (110), a nozzle flow distribution plate (120) fixedly communicated with the main nozzle (110), a valve type nozzle (130) fixedly communicated with the nozzle flow distribution plate (120) and a butt nozzle (140) fixedly communicated with the valve type nozzle (130), and the hot runner assembly comprises a hot runner flow distribution plate (150) fixedly communicated with the butt nozzle (140) and a plurality of hot nozzles (160) fixedly communicated with the hot runner flow distribution plate (150).

10. The stack mold of claim 9, wherein: the hot runner plate (250) internal fixation has hot runner assembly, be provided with the mould die cavity in the fixed die plate (220), be provided with the mould core in movable mould board (210), the hot runner passes through nozzle assembly and connects the outside, nozzle assembly is fixed in on hot runner roof (260), hot runner roof (260) set up between one side push pedal (230) and bedplate (270), the holding hole has been seted up to the mounted position that corresponds nozzle assembly on bedplate (270).