CN217098663U

CN217098663U - Automatic correction bending deformation mechanism

Info

Publication number: CN217098663U
Application number: CN202220523606.3U
Authority: CN
Inventors: 苑清平
Original assignee: Pingtian Seiko Dalian Co ltd
Current assignee: Pingtian Seiko Dalian Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-08-02
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses an automatic rectify bending deformation mechanism, the on-line screen storage device comprises a fixed pedestal, release bottom plate upper end middle part both sides all are provided with proofreading and correct the groove, proofreading and correct equal sliding connection in groove middle part has the depression bar, first recess upper end middle part all runs through and sliding connection has the first ejector pin, second recess upper end middle part all runs through and sliding connection has the second ejector pin, the equal fixedly connected with second ejector pin in second ejector pin bottom. The utility model discloses in, drive first ejector pad through releasing the bottom plate and make first ejector pin rebound together, make and mould the middle part mould cavity that makes progress, the briquetting is moved the clearance volume of settlement by second ejector pad roof pressure downward simultaneously when releasing bottom plate rebound, and first ejector pin will be than the second ejector pin correction clearance volume that has upwards moved the setting in advance promptly, suitably keeps the settlement time, continues again to release, can accomplish the bending deformation automatic correction who moulds the piece.

Description

Automatic correction bending deformation mechanism

Technical Field

The utility model relates to a technical field of mould plastics, especially, relate to an automatic rectify bending deformation mechanism.

Background

At present, the manufacturing industry is competitive, the production cost is continuously reduced, the production efficiency is improved, and the quality is improved, which is a continuous improvement target of manufacturing enterprises.

The labor cost is continuously improved in China at the present stage, and the production cost is promoted to be improved. Therefore, the development of unmanned full-automatic, high-efficiency and high-quality production equipment, process and tool fixtures is very important for manufacturing enterprises.

In the injection molding production of engineering plastics, the plastic part is bent or distorted after being taken out of the mold, which is a problem puzzling injection molding manufacturers, and the correction method for correcting the deformation of the produced plastic part is different, unmanned, efficient and stable, and is suitable for mass production, so that the production cost of enterprises can be greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an automatic bending deformation correcting mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an automatic bending deformation correcting mechanism comprises a fixed base, wherein a push-out bottom plate is attached to the middle of the upper end of the fixed base, correction grooves are formed in two sides of the middle of the upper end of the push-out bottom plate, a pressure rod is connected to the middle of each correction groove in a sliding mode, a pressing block is fixedly connected to the top end of the pressure rod, an assembling plate is attached to the upper end of the push-out bottom plate, first grooves are formed in two sides of the middle of the lower end of the assembling plate, a first push-out rod penetrates through and is connected to the middle of the upper end of each first groove in a sliding mode, a first push block is fixedly connected to the bottom end of each first push-out rod, a second groove is formed in the lower end of the assembling plate and is located right above the correction grooves, a second push rod penetrates through and is connected to the middle of the upper end of each second groove in a sliding mode, a second push block is fixedly connected to the bottom end of each second push rod, the upper ends of the first push rod and the second push rod penetrate through and are connected to the lower portion in a mode cavity, and a plastic part is arranged in the middle of the upper end of the mold cavity.

As a further description of the above technical solution:

and a hydraulic cylinder connecting hole is formed in the middle of the fixed base.

As a further description of the above technical solution:

the lower part of the pressing rod penetrates through the middle part of the correction groove and extends to the upper end of the fixed base, and the top end of the pressing rod is higher than the bottom wall of the correction groove.

As a further description of the above technical solution:

the upper end face of the pressing block and the upper end face of the pushing bottom plate are on the same horizontal plane.

As a further description of the above technical solution:

the thickness of the first push block is equal to the height of the first groove, and the thickness of the second push block is equal to the height of the second groove.

As a further description of the above technical solution:

the lower ends of the second push blocks are attached to the middle of the upper end of the pressing block.

As a further description of the above technical solution:

the first grooves and the second grooves are evenly distributed at equal intervals, and the second grooves are all arranged on the outer sides of the first grooves.

As a further description of the above technical solution:

the top ends of the first ejector rod and the second ejector rod are respectively attached to the lower end of the plastic part.

The utility model discloses following beneficial effect has:

firstly, a hydraulic structure of an injection molding machine is connected to the middle part of the lower end of a push-out bottom plate through a connecting hole of a hydraulic cylinder, then the push-out bottom plate and an assembly plate are pushed to move upwards in the process that the injection molding machine automatically pushes a plastic part upwards from a mold cavity, a first push block is driven by the push-out bottom plate to enable a first push rod to move upwards together, so that the middle part of the plastic part is bulged out of the mold cavity upwards, a gap to be corrected is arranged between the lower end of a press block and the bottom wall of a correction groove, the press block is simultaneously pushed by a second push block to move downwards by a set gap amount when the push-out bottom plate and the assembly plate move upwards, namely, the first push rod moves upwards by a set correction gap amount in advance compared with the second push rod, the push block stops being pushed out when the gap amount is compressed, the set time is properly kept, then the push-out is continued, the automatic correction of the bending deformation of the plastic part can be completed, and when the push-out bottom plate and the assembly plate are driven to return, since the upper end face of the pressing block and the thickness of the pushing base plate are at the same height, the retracting condition of the second pushing rod is the same as that of the first pushing rod, i.e., the mechanism can always ensure the same up-and-down movement.

Drawings

Fig. 1 is a front sectional view of an automatic bending deformation correcting mechanism provided by the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

Illustration of the drawings:

1. a fixed base; 2. connecting holes of the hydraulic cylinder; 3. pushing out the bottom plate; 4. a correction groove; 5. a pressure lever; 6. pressing into blocks; 7. assembling a plate; 8. a first groove; 9. a first ejector pin; 10. a first push block; 11. a second groove; 12. a second push block; 13. a second ejector pin; 14. a mold cavity; 15. and (5) molding.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: an automatic bending deformation correcting mechanism comprises a fixed base 1, a push-out bottom plate 3 is attached to the middle of the upper end of the fixed base 1, correction grooves 4 are formed in two sides of the middle of the upper end of the push-out bottom plate 3, a pressure rod 5 is connected to the middle of each correction groove 4 in a sliding mode and ensures that the pressure rod 5 can move up and down in the push-out bottom plate 3, a press block 6 is fixedly connected to the top end of each pressure rod 5, an assembly plate 7 is attached to the upper end of the push-out bottom plate 3, first grooves 8 are formed in two sides of the middle of the lower end of the assembly plate 7, first push-out rods 9 penetrate through and are connected to the middle of the upper ends of the first grooves 8 in a sliding mode, first push blocks 10 are fixedly connected to the bottom ends of the first push-out rods 9, the hydraulic structure of an injection molding machine is connected to the middle of the lower end of the push-out bottom plate 3 through hydraulic cylinder connecting holes 2, then in the process that a plastic piece 15 is automatically pushed out from a mold cavity 14 upwards by the injection machine, the push-out bottom plate 3 and the assembly plate 7 move upwards together, the first push block 10 is driven by the push bottom plate 3 to move upwards together with the first push rod 9, so that the middle of the plastic part 15 is bulged upwards out of the mold cavity 14, the lower end of the assembly plate 7 is provided with a second groove 11 at a position right above the correction groove 4, the middle of the upper end of the second groove 11 is penetrated and slidably connected with a second push rod 13, the bottom end of the second push rod 13 is fixedly connected with a second push block 12, the upper ends of the first push rod 9 and the second push rod 13 are penetrated and slidably connected with the inner lower part of the mold cavity 14, the middle of the upper end of the mold cavity 14 is provided with the plastic part 15, because the lower end of the press block 6 and the bottom wall of the correction groove 4 are provided with a gap to be corrected, the press block 6 is simultaneously pressed by the second push block 12 to move downwards for a set gap amount when the push bottom plate 3 and the assembly plate 7 move upwards, namely, the first push rod 9 moves upwards for a set correction gap amount in advance than the second push rod 13, and stopping pushing when the pressing block 6 is compressed by the clearance, keeping the pressing block for a set time properly, and then continuing to push, so that the automatic correction of the bending deformation of the plastic part 15 can be completed.

The middle part of the fixed base 1 is provided with a hydraulic cylinder connecting hole 2 for the lifting movement of the mechanism, the lower part of a pressure rod 5 penetrates through the middle part of the correction groove 4 and extends to the upper end of the fixed base 1, the top end of the pressure rod 5 is higher than the bottom wall of the correction groove 4, namely, the gap amount to be corrected is set, the upper end surface of a pressing block 6 and the upper end surface of a push-out bottom plate 3 are on the same horizontal plane, the thickness of a first push block 10 is equal to the height of a first groove 8, the thickness of a second push block 12 is equal to the height of a second groove 11, the lower end of the second push block 12 is attached to the middle part of the upper end of the pressing block 6, namely, when the push-out bottom plate 3 and an assembling plate 7 are driven to return, because the upper end surface of the pressing block 6 and the thickness of the push-out bottom plate 3 are on the same height, the return condition of the second push-out rod 13 is the same as the condition of the first push-out rod 9, so that the mechanism can always guarantee the same up-down movement, the first groove 8 and the second groove 11 are equidistantly and uniformly distributed, and the second recess 11 all is in the first recess 8 outsides, and the laminating is in the lower extreme of moulding 15 respectively at first ejector pin 9 and second ejector pin 13 top, guarantees that the atress is even, reasonable in design.

The working principle is as follows: firstly, a hydraulic structure of an injection molding machine is connected to the middle part of the lower end of a push-out bottom plate 3 through a hydraulic cylinder connecting hole 2, then in the process that the injection molding machine automatically pushes a plastic part 15 upwards from a mold cavity 14, the push-out bottom plate 3 and an assembling plate 7 are pushed to move upwards together, a first push block 10 is driven by the push-out bottom plate 3 to make a first push rod 9 move upwards together, so that the middle part of the plastic part 15 is upwards bulged out of the mold cavity 14, because a gap needing to be corrected is arranged between the lower end of a press block 6 and the bottom wall of a correction groove 4, the press block 6 is simultaneously pushed by a second push block 12 to move downwards for a set gap amount when the push-out bottom plate 3 and the assembling plate 7 move upwards, namely the first push rod 9 moves upwards for a set correction gap amount in advance compared with the second push rod 13, the push is stopped when the press block 6 compresses the gap amount, the set time is properly kept, and then the push is continued, the automatic correction of the bending deformation of the plastic part 15 can be completed, and when the push-out bottom plate 3 and the assembling plate 7 are driven to return, because the upper end surface of the pressing block 6 and the thickness of the push-out bottom plate 3 are at the same height, the return condition of the second push-out rod 13 is the same as that of the first push-out rod 9, namely, the mechanism can always ensure the same up-and-down movement.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an automatic rectify crooked deformation mechanism, includes unable adjustment base (1), its characterized in that: the device is characterized in that a push-out bottom plate (3) is attached to the middle of the upper end of a fixed base (1), correction grooves (4) are arranged on two sides of the middle of the upper end of the push-out bottom plate (3), pressing rods (5) are slidably connected to the middle of the correction grooves (4), pressing blocks (6) are fixedly connected to the top ends of the pressing rods (5), an assembly plate (7) is attached to the upper end of the push-out bottom plate (3), first grooves (8) are arranged on two sides of the middle of the lower end of the assembly plate (7), first push-out rods (9) are slidably connected to the middle of the upper ends of the first grooves (8), first push blocks (10) are fixedly connected to the bottom ends of the first push-out rods (9), second grooves (11) are arranged at positions right above the correction grooves (4) at the lower end of the assembly plate (7), and second push-out rods (13) are slidably connected to the middle of the upper ends of the second grooves (11), the bottom end of the second ejector rod (13) is fixedly connected with a second ejector block (12), the upper ends of the first ejector rod (9) and the second ejector rod (13) are both penetrated through and slidably connected to the inner lower part of the mold cavity (14), and a plastic part (15) is arranged in the middle of the upper end of the mold cavity (14).

2. The mechanism of claim 1, wherein: and a hydraulic cylinder connecting hole (2) is formed in the middle of the fixed base (1).

3. The mechanism of claim 1, wherein: the lower part of the pressing rod (5) penetrates through the middle part of the correction groove (4) and extends to the upper end of the fixed base (1), and the top end of the pressing rod (5) is higher than the bottom wall of the correction groove (4).

4. The mechanism of claim 1, wherein: the upper end face of the pressing block (6) and the upper end face of the push-out bottom plate (3) are on the same horizontal plane.

5. The mechanism of claim 1, wherein: the thickness of the first push block (10) is equal to the height of the first groove (8), and the thickness of the second push block (12) is equal to the height of the second groove (11).

6. The mechanism of claim 1, wherein: the lower ends of the second push blocks (12) are attached to the middle of the upper end of the press block (6).

7. The mechanism of claim 1, wherein: the first grooves (8) and the second grooves (11) are uniformly distributed at equal intervals, and the second grooves (11) are arranged on the outer sides of the first grooves (8).

8. The mechanism of claim 1, wherein: the top ends of the first ejector rod (9) and the second ejector rod (13) are respectively attached to the lower end of the plastic part (15).