CN211137905U

CN211137905U - Movable mould plate structure of injection molding machine

Info

Publication number: CN211137905U
Application number: CN201921225053.8U
Authority: CN
Inventors: 陈雨寒; 周超; 吴年; 郑国军; 何帆
Original assignee: Wuxi Haitian Machinery Co ltd
Current assignee: Wuxi Haitian Machinery Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-07-31
Anticipated expiration: 2029-07-31

Abstract

The utility model provides a movable mould board structure of injection molding machine, its reasonable whole weight that has alleviateed the movable mould board has ensured holistic rigidity and intensity simultaneously, its simple structure, reduced the cost of manufacture. The central zone of the rear end face of front bezel is provided with the lock axle support, the lock axle support includes upper bracket piece, lower bracket piece and both sides end plate, the rear end face of upper bracket piece, lower bracket piece is provided with a plurality of shaft hole mount pads of kyphosis respectively, every be provided with the lock shaft hole that thickness direction runs through on the shaft hole mount pad respectively, connect through the web between the shaft hole mount pad that upper bracket piece corresponds and the shaft hole mount pad that lower bracket piece corresponds, be close to of upper bracket piece the position of front bezel is provided with the inside die cavity of support that runs through along upper bracket piece width direction, be close to of lower bracket piece the position of front bezel is provided with the inside die cavity of support that runs through along lower bracket piece width direction.

Description

Movable mould plate structure of injection molding machine

Technical Field

The utility model relates to a technical field of injection molding machine structure specifically is a movable mould plate structure of injection molding machine.

Background

The movable mould plate is one of main key parts of the injection molding machine, and the movable mould plate deforms under the action of stress when the injection molding machine is closed. In the working process, the movable template is not only subjected to the force transmitted by the die, but also subjected to the action generated by the crankshaft connecting rod. The strength and rigidity of the movable template not only determine the service performance and service life of the movable template, but also influence the service life of relevant parts such as a pull rod and the like, so that the strength and rigidity of the movable template are one of essential important factors influencing the service performance of the injection molding machine.

The movable template structure of the existing injection molding machine has a plurality of structures, but many designs have the problems that the whole structure is heavy, casting defects easily occur to castings, the structure is complex, the casting process is poor and the like, and due to the fact that reasonable design and calculation are not available, the structural design is unreasonable, the strength is not strong, the strength is not weak, and the failure in use is caused.

Disclosure of Invention

To the above problem, the utility model provides a movable mould board structure of injection molding machine, its reasonable whole weight that has alleviateed the movable mould board has ensured holistic rigidity and intensity simultaneously, its simple structure, reduced the cost of manufacture.

The utility model provides a movable template structure of injection molding machine which characterized in that: the lock shaft comprises a front plate, a lock shaft support, wherein the lock shaft support is arranged in the central region of the rear end face of the front plate and comprises an upper support block, a lower support block and two side end plates, the rear end faces of the upper support block and the lower support block are respectively provided with a plurality of shaft hole installation seats which are convex backwards, each shaft hole installation seat is respectively provided with a lock shaft hole which penetrates through the lock shaft hole in the thickness direction, the shaft hole installation seat corresponding to the upper support block and the shaft hole installation seat corresponding to the lower support block are connected through a web plate, a support inner cavity which penetrates through the support block in the width direction is arranged at the position, close to the front plate, of the lower support block, a support inner cavity which penetrates through the support block in the width direction is arranged at the position, close to the front plate, of the support inner cavity, corresponding to the region of the interval position of the shaft hole installation seats, is provided with a corresponding cavity sand cleaning, the opposite end surfaces of the upper support block and the lower support block are respectively provided with support reinforcing ribs at intervals along the width direction of the upper support block and the lower support block, and the support reinforcing ribs are connected with the corresponding rear surface positions of the front plate;

the four-corner region of the rear end face of the front plate is respectively provided with a pull rod guide seat which is convex backwards, the center of the pull rod guide seat is provided with a pull rod guide hole which is arranged axially, the outer ring surface of the pull rod guide seat is connected with the corresponding rear end face of the front plate through a guide reinforcing rib, and an inner concave lightening groove is formed in the center of the guide reinforcing rib in the thickness direction.

It is further characterized in that:

the guide reinforcing ribs of the pull rod guide seats positioned on the same side of the upper bracket block are arranged in opposite directions, the thickness of each guide reinforcing rib is gradually increased from the end far away from the front plate to the end close to the front plate to form a triangular reinforcing rib, and the four triangular reinforcing ribs provided with the inwards concave weight reduction grooves of the movable template enable the stability of the movable template to be optimal under the same size and weight;

the periphery of a cavity in each support is respectively provided with a cavity top plate, a cavity bottom plate and a cavity back plate, the cavity top plate, the cavity bottom plate and the cavity back plate are provided with cavity sand cleaning holes communicated with the outside, and the cavity top plate and the front plate are connected into a whole, so that smooth and convenient sand discharge of the cavity in the whole support is ensured, and the strength and the rigidity of the lock shaft support are ensured;

the central lines of all the locking shaft holes corresponding to the upper bracket block are connected on a straight line, and the central lines of all the locking shaft holes corresponding to the lower bracket block are connected on a straight line, so that the smooth installation of the pull rod is ensured;

a minimum mould mounting surface is arranged in the central area of the front plate, and a central ejection hole is formed in the center of the minimum mould mounting surface;

each shaft hole mounting seat is provided with a reinforcing rib relative to the inner edge of the web plate, and the reinforcing ribs are connected with the corresponding positions of the web plate;

and a cavity is reserved between the side end plate and the web plate, so that the light weight of the whole structure is ensured.

After the technical scheme is adopted, the inner cavity of the bracket, which penetrates through the upper bracket block along the width direction of the upper bracket block, is arranged at the position, which is close to the front plate, of the upper bracket block, the inner cavity of the bracket, which penetrates through the lower bracket block along the width direction of the lower bracket block, is arranged at the position, which is close to the front plate, of the lower bracket block, and the corresponding cavity sand cleaning holes are arranged in the region, which corresponds to the interval position of the shaft hole mounting seat, of the inner cavity of the bracket, so that the weight of the template can be reduced; the outer ring surface of the pull rod guide seat is connected with the corresponding rear end surface of the front plate through the guide reinforcing ribs, and the center position in the thickness direction of the guide reinforcing ribs is provided with an inward concave lightening groove which reduces the integral deformation of the movable template; in conclusion, the movable mould plate reasonably lightens the whole weight of the movable mould plate, ensures the whole rigidity and strength, has a simple structure and reduces the manufacturing cost.

Drawings

Fig. 1 is a first schematic structural view of a perspective view of the present invention;

fig. 2 is a schematic structural view of the utility model in a perspective view;

fig. 3 is a schematic sectional view of the lock shaft bracket of the utility model;

the names corresponding to the sequence numbers in the figure are as follows:

the structure comprises a front plate 1, a lock shaft support 2, an upper support block 3, a lower support block 4, a side end plate 5, a shaft hole mounting seat 6, a lock shaft hole 7, a web plate 8, a support internal cavity 9, a cavity sand cleaning hole 10, a support reinforcing rib 11, a pull rod guide seat 12, a pull rod guide hole 13, a guide reinforcing rib 14, an inner concave weight reduction groove 15, a cavity top plate 16, a cavity top plate 17, a cavity bottom plate 18, a cavity rear plate 19, a minimum mold mounting surface 20, a central ejection hole 21, a reinforcing rib 22 and a cavity 23.

Detailed Description

A movable platen structure of an injection molding machine, as shown in fig. 1-3: the lock shaft comprises a front plate 1, a lock shaft support 2 is arranged in the central area of the rear end face of the front plate 1, the lock shaft support 2 comprises an upper support block 3, a lower support block 4 and two side end plates 5, a plurality of shaft hole installation seats 6 which are convex backwards are respectively arranged on the rear end faces of the upper support block 2 and the lower support block 3, a lock shaft hole 7 which penetrates through the thickness direction is respectively arranged on each shaft hole installation seat 6, the shaft hole installation seats 6 corresponding to the upper support block 3 and the shaft hole installation seats 6 corresponding to the lower support block are connected through a web 8, a support inner cavity 9 which penetrates through the width direction of the upper support block is arranged at the position of the upper support block 3 close to the front plate 1, a support inner cavity 9 which penetrates through the width direction of the lower support block is arranged at the position of the lower support block 4 close to the front plate 1, a corresponding cavity sand cleaning hole 10 is arranged at the area of the support inner cavity 9 corresponding to the interval position of, the opposite end surfaces of the upper support block 3 and the lower support block 4 are respectively provided with support reinforcing ribs 11 at intervals along the width direction, and the support reinforcing ribs 11 are connected with the corresponding rear surface positions of the front plate 1; four corner regions of the rear end surface of the front plate 1 are respectively provided with a pull rod guide seat 12 which is convex backwards, the center of the pull rod guide seat 12 is provided with a pull rod guide hole 13 which is arranged axially, the outer ring surface of the pull rod guide seat 12 is connected with the corresponding rear end surface of the front plate through a guide reinforcing rib 14, and the thickness direction central position of the guide reinforcing rib 14 is provided with an inner concave weight reduction groove 15.

The guide reinforcing ribs 14 of the pull rod guide seats 12 positioned on the same side of the upper bracket block 3 are oppositely arranged, the thickness of each guide reinforcing rib 14 is gradually increased from the end far away from the front plate 1 to the end close to the front plate 1 to form a triangular reinforcing rib, and the four triangular reinforcing ribs of the movable template provided with the inwards concave weight reducing grooves 15 ensure that the stability of the movable template under the same size and weight is optimal;

a cavity top plate 16, a cavity top plate 17, a cavity bottom plate 18 and a cavity rear plate 19 are respectively arranged on the periphery of the cavity 9 in each bracket, cavity sand cleaning holes 10 communicated with the outside are formed in the cavity top plate 16, the cavity bottom plate 18 and the cavity rear plate 19, the cavity top plate 17 is specifically connected with the front plate 1 into a whole, and smooth and convenient sand discharging of the cavity 9 in the whole bracket and the strength and rigidity of the lock shaft bracket are ensured;

the central lines of all the lock shaft holes 7 corresponding to the upper bracket block 3 are connected on a straight line, and the central lines of all the lock shaft holes 7 corresponding to the lower bracket block 4 are connected on a straight line, so that the smooth installation of the pull rod is ensured;

a minimum mould mounting surface 20 is arranged in the central area of the front plate 1, and a central ejection hole 21 is formed in the center of the minimum mould mounting surface 20;

each shaft hole mounting seat 6 is provided with a reinforcing rib 22 corresponding to the inner edge of the web plate 8 and connected with the web plate 8, so that the integral rigidity and strength are ensured;

a cavity 23 is left between the side end plate 5 and the web plate 8, so that the light weight of the whole structure is ensured.

The working principle is that the inner cavity of the bracket penetrating along the width direction of the upper bracket block is arranged at the position of the upper bracket block close to the front plate, the inner cavity of the bracket penetrating along the width direction of the lower bracket block is arranged at the position of the lower bracket block close to the front plate, and the corresponding cavity sand cleaning holes are arranged in the region of the inner cavity of the bracket corresponding to the interval position of the shaft hole mounting seat, so that the weight of the template can be reduced, the material can be saved, and the cost can be reduced; the outer ring surface of the pull rod guide seat is connected with the corresponding rear end surface of the front plate through guide reinforcing ribs, an inward concave weight reduction groove is formed in the center of the guide reinforcing ribs in the thickness direction, the thickness of each guide reinforcing rib is gradually increased from the end far away from the front plate to the end close to the front plate 1 to form a triangular reinforcing rib, and the overall deformation of the movable template is reduced; in conclusion, the movable mould plate reasonably lightens the whole weight of the movable mould plate, ensures the whole rigidity and strength, has a simple structure and reduces the manufacturing cost.

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.

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. The utility model provides a movable template structure of injection molding machine which characterized in that: the lock shaft comprises a front plate, a lock shaft support, wherein the lock shaft support is arranged in the central region of the rear end face of the front plate and comprises an upper support block, a lower support block and two side end plates, the rear end faces of the upper support block and the lower support block are respectively provided with a plurality of shaft hole installation seats which are convex backwards, each shaft hole installation seat is respectively provided with a lock shaft hole which penetrates through the lock shaft hole in the thickness direction, the shaft hole installation seat corresponding to the upper support block and the shaft hole installation seat corresponding to the lower support block are connected through a web plate, a support inner cavity which penetrates through the support block in the width direction is arranged at the position, close to the front plate, of the lower support block, a support inner cavity which penetrates through the support block in the width direction is arranged at the position, close to the front plate, of the support inner cavity, corresponding to the region of the interval position of the shaft hole installation seats, is provided with a corresponding cavity sand cleaning, the opposite end surfaces of the upper support block and the lower support block are respectively provided with support reinforcing ribs at intervals along the width direction of the upper support block and the lower support block, and the support reinforcing ribs are connected with the corresponding rear surface positions of the front plate;

2. A movable platen structure for an injection molding machine, as claimed in claim 1, wherein: the guide reinforcing ribs of the pull rod guide seat are arranged in opposite directions on the same side of the upper support block, and each guide reinforcing rib is self-away from the front plate end and is close to the front plate end, the thickness of the front plate end is gradually increased, and a triangular reinforcing rib is formed.

3. A movable platen structure for an injection molding machine, as claimed in claim 1, wherein: and the periphery of the cavity in each bracket is respectively provided with a cavity top plate, a cavity bottom plate and a cavity back plate, the cavity top plate, the cavity bottom plate and the cavity back plate are provided with cavity sand cleaning holes communicated with the outside, and the cavity top plate and the front plate are connected into a whole.

4. A movable platen structure for an injection molding machine, as claimed in claim 1, wherein: the central lines of all the locking shaft holes corresponding to the upper bracket block are connected on a straight line, and the central lines of all the locking shaft holes corresponding to the lower bracket block are connected on a straight line.

5. A movable platen structure for an injection molding machine, as claimed in claim 1, wherein: a minimum mould mounting surface is arranged in the central area of the front plate, and a central ejection hole is formed in the center of the minimum mould mounting surface.

6. A movable platen structure for an injection molding machine, as claimed in claim 1, wherein: each shaft hole mounting seat is provided with a reinforcing rib corresponding to the inner edge of the web plate, and the reinforcing ribs are connected with the corresponding positions of the web plate.

7. A movable platen structure for an injection molding machine, as claimed in claim 1, wherein: a cavity is left between the side end plate and the web.