CN220763412U - Injection mold ejection mechanism - Google Patents

Abstract

The utility model belongs to the technical field of injection mold production, in particular to an injection mold ejection mechanism, which comprises a workbench; the bottom four corners of the workbench are welded with support columns, the top of the workbench is provided with a cavity mould without a bottom, the workbench is provided with a hole groove, the bottom of the workbench is welded with a support frame, the support frame is provided with a first pneumatic cylinder, the acting end of the first pneumatic cylinder is provided with a first pneumatic rod, and the end part of the first pneumatic rod penetrates through the hole groove and is fixedly connected with an ejector plate; when ejecting injection molding from bottomless lower die cavity mould, through first pneumatic cylinder effect, can make the ejector plate carry out ejecting with injection molding, improved the production efficiency of injection molding, because of the ejector plate contacts with the inner wall around of bottomless lower die cavity mould, the position when having avoided the ejector plate to upwards remove takes place the skew to can make injection molding better carry out ejecting.

Description

Injection mold ejection mechanism

Technical Field

The utility model relates to the technical field of injection mold production, in particular to an injection mold ejection mechanism.

Background

The injection mold is a tool for producing plastic products, and in the injection production process, after the injection molding piece is cooled and shaped, the molded injection molding finished product is ejected out of a mold cavity of a fixed mold of the injection mold through an ejection mechanism so as to facilitate demolding treatment of the molded injection molding piece.

The utility model discloses a Chinese patent publication No. CN112223662A, which provides an automatic ejection device of an injection mold, and comprises a top plate, wherein support columns are fixedly arranged on two sides of the top plate, fixing plates are fixedly arranged on one sides of the two support columns, which are close to each other, a lower mold is fixedly arranged on one side of the two fixing plates, which is close to each other, a lower mold cavity is formed in the top of the lower mold, a sliding groove is formed in the inner wall of the bottom of the lower mold cavity, a sealing groove is formed in the bottom of the lower mold, the sealing groove is communicated with the sliding groove, two sliding plates are slidably arranged in the sealing groove, and rotating plates which are obliquely arranged are rotatably arranged on the two sliding plates.

In the prior art, as the molded injection molding part is adhered to the inner side walls around the lower die cavity and the ejector plate is not contacted with the inner side walls around the lower die cavity, the position of the ejector plate is easy to deviate when the ejector plate moves upwards, so that the ejection effect is poor, and after the injection molding part is demolded, workers are required to frequently move the injection molding part to other positions; therefore, an injection mold ejection mechanism is proposed to address the above-mentioned problems.

Disclosure of Invention

In order to overcome the defects in the prior art and solve the problems set forth in the background art, the utility model provides an ejection mechanism of an injection mold.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to an ejection mechanism of an injection mold, which comprises a workbench; the bottom four corners of workstation all are welded the support column, there is not lower die cavity mould at the top of workstation, the hole groove has been seted up on the workstation, the bottom welding of workstation has the support frame, install first pneumatic cylinder on the support frame, first pneumatic cylinder's action end is equipped with first pneumatic rod, the tip of first pneumatic rod passes the hole groove rigid coupling and has the ejector plate, just the ejector plate sets up in the bottom port of bottomless lower die cavity mould to with the inner wall sliding connection all around of bottomless lower die cavity mould, when ejecting the injection molding from bottomless lower die cavity mould, through first pneumatic cylinder effect, can make the ejector plate carry out ejecting with the injection molding, improved the production efficiency of injection molding, because of ejector plate contacts with the inner wall all around of bottomless lower die cavity mould, avoided the ejector plate to shift in position when upwards moving, thereby can make the better ejecting of injection molding.

Preferably, the stand has all been welded to the top both sides of workstation, two the top cooperation rigid coupling of stand has the diaphragm, install the second pneumatic cylinder on the diaphragm, the action end of second pneumatic cylinder is equipped with the second pneumatic rod, the tip rigid coupling of second pneumatic rod has last die cavity mould, in injection production process, through the effect of second pneumatic cylinder, can be convenient for close membrane and die sinking to last die cavity mould and bottomless lower die cavity mould and handle, through setting up limiting plate and first spring, can make last die cavity mould stable continuous and remove in vertical direction, avoid going up the die cavity mould and take place the skew in the removal in-process position.

Preferably, limiting plates are welded on two sides of the upper cavity die, the two limiting plates are correspondingly sleeved on the stand column and are in sliding connection with the stand column, first springs are fixedly connected between the limiting plates and the transverse plates, and the two first springs are sleeved on the stand column respectively.

Preferably, the upper cavity die is provided with an injection hole, the injection hole is movably connected with a sealing cover, and when the device is used, injection holes are arranged to facilitate injection of injection solution into the die cavity.

Preferably, a riser is fixedly connected to one side of the top of the workbench, a screw hole is formed in the riser, a threaded rod is inserted in the screw hole, a turntable is fixedly connected to one end of the threaded rod, a push plate is installed at the other end of the threaded rod in a matched rotation mode through a bearing seat, when the injection molding piece is completely ejected out of the bottomless lower cavity mold, the turntable is rotated, the threaded rod drives the push plate to move, and therefore the injection molding piece can be moved.

Preferably, the both sides of riser all rigid coupling has the fixing base, two all seted up the pole hole on the fixing base, two all alternate in the pole hole has the gag lever post, two the one end of gag lever post all rigid coupling has the spacing cap, two the other end of gag lever post all rigid coupling is in the push pedal, two all the cover is equipped with the second spring on the gag lever post, just the second spring rigid coupling is between push pedal and fixing base, and when the push pedal removes, through setting up gag lever post and second spring, can make the stable removal of push pedal.

Preferably, the guide chute is fixedly connected to the bottomless lower cavity die, the collecting chute is arranged below the guide chute, the supporting seat is arranged beside the workbench, the bottom of the supporting seat is contacted with the ground, the collecting chute is arranged on the supporting seat, and when the device is used, the injection molding part can fall into the collecting chute along the guide chute by arranging the guide chute, so that the injection molding part after demolding can be collected and processed, and the phenomenon that the injection molding part is frequently moved to other positions by workers is avoided.

The utility model has the advantages that:

1. according to the utility model, when the injection molding piece is ejected from the bottomless lower cavity die, the ejector plate can eject the injection molding piece under the action of the first pneumatic cylinder, so that the production efficiency of the injection molding piece is improved, and the ejector plate is contacted with the inner walls around the bottomless lower cavity die, so that the position deviation generated when the ejector plate moves upwards is avoided, and the injection molding piece can be ejected better;

2. in the injection production process, the upper cavity die and the bottomless lower cavity die can be conveniently subjected to film closing and die opening treatment under the action of the second pneumatic cylinder, and the upper cavity die can be stably and continuously moved in the vertical direction by arranging the limiting plate and the first spring, so that the position of the upper cavity die is prevented from being deviated in the moving process;

3. when the device is used, the rotary table is rotated, the threaded rod drives the push plate to push the injection molding piece to move, and the guide groove is arranged, so that the injection molding piece falls into the collecting groove along the guide groove, and therefore the injection molding piece after demolding can be collected and treated, and the phenomenon that a worker frequently moves the injection molding piece to other positions is avoided.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of an overall three-dimensional structure;

FIG. 2 is a schematic view of a bottom perspective of the table;

FIG. 3 is a schematic cross-sectional perspective view of a table and bottomless lower cavity mold;

FIG. 4 is a schematic view of a partial front perspective structure;

FIG. 5 is a schematic view of a split three-dimensional structure of an upper cavity mold;

FIG. 6 is a schematic perspective view of a collection assembly;

fig. 7 is a schematic perspective view of a pushing assembly.

In the figure: 1. a work table; 2. a support column; 3. a cavity mold without a bottom; 4. a hole groove; 5. a support frame; 6. a first pneumatic cylinder; 7. a first pneumatic lever; 8. an ejector plate; 9. a column; 10. a cross plate; 11. a second pneumatic cylinder; 12. a second pneumatic lever; 13. an upper cavity mold; 14. injection molding holes; 15. sealing cover; 16. a limiting plate; 17. a first spring; 18. a riser; 19. a threaded rod; 20. a turntable; 21. a push plate; 22. a fixing seat; 23. a limit rod; 24. a second spring; 25. a guide groove; 26. a collection tank; 27. and a supporting seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an ejection mechanism of an injection mold comprises a workbench 1; the four corners of the bottom of the workbench 1 are welded with support columns 2, the top of the workbench 1 is provided with a bottomless cavity die 3, the workbench 1 is provided with a hole groove 4, the bottom of the workbench 1 is welded with a support frame 5, the support frame 5 is provided with a first pneumatic cylinder 6, the acting end of the first pneumatic cylinder 6 is provided with a first pneumatic rod 7, the end part of the first pneumatic rod 7 passes through the hole groove 4 and is fixedly connected with an ejector plate 8, and the ejector plate 8 is arranged in the bottom port of the bottomless lower cavity die 3 and is in sliding connection with the inner wall around the bottomless lower cavity die 3; when ejecting injection molding from bottomless lower die cavity mould 3, start first pneumatic cylinder 6, make first pneumatic rod 7 drive ejector plate 8 vertical upward movement to can carry out ejecting with injection molding, improve injection molding's production efficiency, because ejector plate 8 contacts with the inner wall around of bottomless lower die cavity mould 3, avoid ejector plate 8 to shift in position when upwards moving, thereby can make injection molding better ejecting.

Referring to fig. 4-5, the two sides of the top of the workbench 1 are welded with upright posts 9, the top ends of the two upright posts 9 are fixedly connected with a transverse plate 10 in a matching manner, a second pneumatic cylinder 11 is installed on the transverse plate 10, the acting end of the second pneumatic cylinder 11 is provided with a second pneumatic rod 12, the end part of the second pneumatic rod 12 is fixedly connected with an upper cavity mold 13, an injection molding hole 14 is formed in the upper cavity mold 13, a sealing cover 15 is movably connected in the injection molding hole 14, two sides of the upper cavity mold 13 are welded with limiting plates 16, the two limiting plates 16 are correspondingly sleeved on the upright posts 9 and are in sliding connection with the upright posts 9, a first spring 17 is fixedly connected between the two limiting plates 16 and the transverse plate 10, and the two first springs 17 are respectively sleeved on the upright posts 9; in the injection production process, the second pneumatic cylinder 11 is started, the second pneumatic rod 12 drives the upper cavity die 13 to vertically move downwards, the upper cavity die 13 can be stably and continuously moved in the vertical direction through the limiting plate 16 and the first spring 17, the upper cavity die 13 is prevented from being shifted in the moving process, when the upper cavity die 13 vertically moves and contacts the bottomless lower cavity die 3, the second pneumatic cylinder 11 stops working, then the sealing cover 15 is opened, injection molding solution is injected into the bottomless lower cavity die 3 through the injection molding hole 14, after an injection molding piece is shaped, the second pneumatic cylinder 11 is started again, the second pneumatic rod 12 drives the upper cavity die 13 to vertically move upwards, the upper cavity die 13 is gradually far away from the bottomless lower cavity die 3 until the upper cavity die 13 returns to the initial position, and the second pneumatic cylinder 11 stops working, so that film closing and die opening treatments can be conveniently carried out on the upper cavity die 13 and the bottomless lower cavity die 3.

Referring to fig. 6-7, a vertical plate 18 is fixedly connected to one side of the top of the workbench 1, a screw hole is formed in the vertical plate 18, a threaded rod 19 is inserted into the screw hole, a turntable 20 is fixedly connected to one end of the threaded rod 19, a push plate 21 is installed at the other end of the threaded rod 19 in a matched rotation manner through a bearing seat, fixing seats 22 are fixedly connected to two sides of the vertical plate 18, rod holes are formed in the two fixing seats 22, limiting rods 23 are inserted into the two rod holes, limiting caps are fixedly connected to one ends of the two limiting rods 23, the other ends of the two limiting rods 23 are fixedly connected to the push plate 21, a second spring 24 is sleeved on the two limiting rods 23, the second spring 24 is fixedly connected between the push plate 21 and the fixing seats 22, a guide groove 25 is fixedly connected to the bottomless lower cavity mold 3, a collecting groove 26 is arranged below the guide groove 25, a supporting seat 27 is arranged at the side of the workbench 1, the bottom of the supporting seat 27 is contacted with the ground, and the collecting groove 26 is installed on the supporting seat 27; when waiting injection molding to push out bottomless lower die cavity mould 3 completely, rotate carousel 20, make threaded rod 19 take place to rotate to drive push pedal 21 and remove, and then make push pedal 21 promote injection molding and remove, through setting up baffle box 25, make injection molding fall into collecting vat 26 along baffle box 25, thereby can collect the processing to the injection molding after the drawing of patterns, avoid the frequent emergence of removing other position phenomena with injection molding of staff, through setting up gag lever post 23 and second spring 24, can make the stable removal of push pedal 21.

In the prior art, because the molded injection part is adhered to the inner side walls around the lower die cavity and the ejector plate 8 is not contacted with the inner side walls around the lower die cavity, the ejector plate 8 is easy to shift in position when moving upwards, so that the ejection effect is poor, and after the injection part is demolded, workers are required to frequently move the injection part to other positions; therefore, an injection mold ejection mechanism is proposed to solve the above problems; in the injection production process, the second pneumatic cylinder 11 is started, the second pneumatic rod 12 drives the upper cavity die 13 to vertically move downwards, the upper cavity die 13 can be stably and continuously moved in the vertical direction through the limiting plate 16 and the first spring 17, the upper cavity die 13 is prevented from being shifted in the moving process, when the upper cavity die 13 vertically moves and contacts with the bottomless lower cavity die 3, the second pneumatic cylinder 11 stops working, then the sealing cover 15 is opened, injection molding solution is injected into the bottomless lower cavity die 3 through the injection molding hole 14, after an injection molding piece is shaped, the second pneumatic cylinder 11 is started again, the second pneumatic rod 12 drives the upper cavity die 13 to vertically move upwards, the upper cavity die 13 gradually moves away from the bottomless lower cavity die 3 until the initial position is restored, the second pneumatic cylinder 11 stops working, so that the upper cavity die 13 and the bottomless lower cavity die 3 are conveniently subjected to film closing and die opening treatment, and then injection molding pieces are required to be ejected from the bottomless lower cavity die 3, and when the injection molding pieces are ejected, the first pneumatic cylinder 6 is started, the first pneumatic rod 7 is driven to move the upper cavity die 8 to the position, the ejection plate 8 can be prevented from being ejected out, and the position of the bottomless lower cavity die 8 can be better, and the ejection plate 8 can be prevented from being ejected from contacting with the injection molding piece due to the vertical position;

when waiting injection molding to push out bottomless lower die cavity mould 3 completely, rotate carousel 20, make threaded rod 19 take place to rotate to drive push pedal 21 and remove, and then make push pedal 21 promote injection molding and remove, through setting up baffle box 25, make injection molding fall into collecting vat 26 along baffle box 25, thereby can collect the processing to the injection molding after the drawing of patterns, avoid the frequent emergence of removing other position phenomena with injection molding of staff, through setting up gag lever post 23 and second spring 24, can make the stable removal of push pedal 21.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. An injection mold ejection mechanism, characterized in that: comprises a workbench (1); support column (2) have all been welded in the bottom four corners of workstation (1), bottom cavity mould (3) have not been installed at the top of workstation (1), hole groove (4) have been seted up on workstation (1), support frame (5) have been welded to the bottom of workstation (1), install first pneumatic cylinder (6) on support frame (5), the action end of first pneumatic cylinder (6) is assembled with first pneumatic rod (7), the tip of first pneumatic rod (7) is passed hole groove (4) rigid coupling and is had ejector plate (8), just ejector plate (8) set up in the bottom port of no bottom cavity mould (3) to with the inner wall sliding connection all around of no bottom cavity mould (3), stand (9) have all been welded on the top both sides of workstation (1), two the top cooperation rigid coupling of stand (9) have diaphragm (10), install second pneumatic cylinder (11) on diaphragm (10), the tip of second pneumatic rod (11) is passed hole groove (4) rigid coupling and is had ejector plate (12), the sealed lid (14) have on the tip of second pneumatic rod (13), the last cavity mould (14) has on the tip of injection moulding mould (13).

2. The injection mold ejection mechanism of claim 1, wherein: limiting plates (16) are welded on two sides of the upper cavity die (13), the two limiting plates (16) are correspondingly sleeved on the upright post (9) and are in sliding connection with the upright post (9), first springs (17) are fixedly connected between the limiting plates (16) and the transverse plates (10), and the two first springs (17) are respectively sleeved on the upright post (9).

3. The injection mold ejection mechanism of claim 1, wherein: a vertical plate (18) is fixedly connected to one side of the top of the workbench (1), a screw hole is formed in the vertical plate (18), a threaded rod (19) is inserted into the screw hole, a rotary table (20) is fixedly connected to one end of the threaded rod (19), and a push plate (21) is installed at the other end of the threaded rod (19) through matching rotation of a bearing seat.

4. An injection mold ejection mechanism as in claim 3, wherein: fixing bases (22) are fixedly connected to two sides of the vertical plate (18), rod holes are formed in the two fixing bases (22), limiting rods (23) are inserted in the rod holes, limiting caps are fixedly connected to one ends of the limiting rods (23), and the other ends of the limiting rods (23) are fixedly connected to the pushing plates (21).

5. The injection mold ejection mechanism of claim 4, wherein: the two limiting rods (23) are sleeved with second springs (24), and the second springs (24) are fixedly connected between the push plate (21) and the fixing seat (22).

6. The injection mold ejection mechanism of claim 1, wherein: the guide chute is characterized in that the guide chute (25) is fixedly connected to the bottomless lower cavity die (3), the collecting chute (26) is arranged below the guide chute (25), the supporting seat (27) is arranged beside the workbench (1), the bottom of the supporting seat (27) is contacted with the ground, and the collecting chute (26) is arranged on the supporting seat (27).