CN216885044U

CN216885044U - Novel mould secondary ejection mechanism

Info

Publication number: CN216885044U
Application number: CN202220412575.4U
Authority: CN
Inventors: 毛古青
Original assignee: Xuancheng Xincheng Automobile Equipment Manufacturing Co ltd
Current assignee: Xuancheng Xincheng Automobile Equipment Manufacturing Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-07-05
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a novel secondary ejection mechanism of a die, which comprises a fixed die, wherein a movable die is movably arranged at the top of the fixed die, a guide pillar is fixedly arranged at the top of the fixed die, a die cavity is formed in the top of the guide pillar, and an ejection hole is formed in the bottom of the die cavity; the inside movable mounting of ejecting hole has ejecting subassembly, and the bottom fixed mounting of ejecting subassembly has driven lifting unit, and driven lifting unit movable mounting is in the inside of cover half. In the scheme, the driving lifting assembly is driven by the driving rod to move upwards, so that double travel can be realized, the ejection effect is greatly improved, and the stability is high; in the above scheme, the ejector block of the ejection assembly firstly jacks the injection molding piece preliminarily, and then the ejector block is driven by the continuous rising of the installation sleeve to jack the injection molding piece secondarily, so that the injection molding piece is prevented from being directly ejected by large force, pits are left on the surface of the injection molding piece easily, the processing quality is influenced, and the processing quality is guaranteed.

Description

Novel mould secondary ejection mechanism

Technical Field

The utility model relates to the technical field of dies, in particular to a novel secondary ejection mechanism of a die.

Background

In short, the die is a tool for manufacturing a formed article, the tool is composed of various parts, different dies are composed of different parts, and the processing of the appearance of the article is realized mainly through the change of the physical state of a formed material.

In the use process of the existing mold, because the space inside the mold is limited, the existing ejection mechanism is complex and occupies large space, so that the ejection effect is limited; in addition, when the ejection mechanism ejects the injection molding part, because the injection molding part is not completely cooled, residual heat is left on the surface, if the injection molding part is ejected by using large force, pits are easily left on the surface of the injection molding part, and the processing quality is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, embodiments of the present invention provide a novel mold secondary ejection mechanism, so as to solve the problems that the existing ejection mechanism occupies a large space, so that the ejection effect is limited, and a pit is easily left on the surface of an injection molding part when the injection molding part is ejected.

In order to solve the technical problems, the utility model provides the following technical scheme: a novel secondary ejection mechanism of a die comprises a fixed die, wherein a movable die is movably mounted at the top of the fixed die, a guide pillar is fixedly mounted at the top of the fixed die, a die cavity is formed in the top of the guide pillar, and an ejection hole is formed in the bottom of the die cavity;

the ejection mechanism is characterized in that an ejection assembly is movably mounted inside the ejection hole, a driven lifting assembly is fixedly mounted at the bottom of the ejection assembly, and the driven lifting assembly is movably mounted inside the fixed die.

The bottom movable mounting of cover half has the actuating lever, the top fixed mounting of actuating lever has initiative lifting unit, the inside fixed mounting of cover half has the fixed column, the side fixed mounting of fixed column has second tooth, the bottom fixed mounting of fixed column has the mounting bracket, driven lifting unit's inner wall fixed mounting has first tooth.

The active lifting assembly comprises a mounting plate, chutes are formed in four corners of the mounting plate, fixing blocks are fixedly mounted on the four corners of the top of the mounting plate, fixing shafts are fixedly mounted on the side faces of the fixing blocks, and idler wheels are fixedly sleeved on the surfaces of the fixing shafts.

The chute is matched with the mounting frame in size, and the mounting frame is fixedly mounted in the fixed die.

The surface of the roller is meshed with the first teeth and the second teeth respectively, the number of the rollers is four, and the rollers are evenly distributed on the top of the mounting plate through the axis of the mounting plate.

The ejection assembly comprises an installation sleeve, a movable groove is formed in the top of the installation sleeve, a movable column is movably installed inside the movable groove, a piston is fixedly installed at the bottom end of the movable column, a spring is fixedly connected to the bottom surface of the piston, and an ejection block is fixedly installed at the top end of the movable column.

The top block is movably arranged in the top hole, the piston is movably arranged in the movable groove, and the bottom end of the mounting sleeve is fixedly arranged on the top surface of the driven lifting assembly.

The technical scheme of the utility model has the following beneficial effects:

in the scheme, in the using process of the mold, because the space inside the mold is limited, the existing ejection mechanism is complex, the occupied space is large, and the ejection effect is limited, at the moment, the driving rod drives the active lifting assembly to move upwards, so that double travel can be realized, the ejection effect is greatly improved, and the stability is high; in the above-mentioned scheme, when ejection mechanism is ejecting to the injection molding, because the injection molding is not cooled off completely yet, the surface still leaves the waste heat, if ejecting to the injection molding with great power, leave the pit on the injection molding surface easily, influence processingquality, the kicking block through ejecting subassembly carries out preliminary jack-up to the injection molding earlier this moment, will drive the kicking block by the continuation rising of installing sleeve again and carry out quadratic jack-up to the injection molding, thereby avoid directly ejecting with great power to the injection molding, leave the pit on the injection molding surface easily, influence processingquality's the condition.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the fixed mold of the present invention;

FIG. 3 is a schematic perspective assembly view of the internal structure of the fixed mold of the present invention;

FIG. 4 is a schematic view of the active lift assembly of the present invention;

fig. 5 is a schematic structural diagram of the ejection assembly of the present invention.

[ reference numerals ]

1. Fixing a mold; 2. moving the mold; 3. a guide post; 4. a mold cavity; 5. an ejection aperture; 6. ejecting the assembly; 7. a driven lifting assembly; 8. a drive rod; 9. fixing a column; 10. a first tooth; 11. a mounting frame; 12. an active lifting assembly; 121. mounting a plate; 122. a chute; 123. a fixed block; 124. a fixed shaft; 125. a roller; 61. installing a sleeve; 62. a movable groove; 63. a movable post; 64. a piston; 65. a spring; 66. and (7) a top block.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

The embodiment of the utility model provides a novel mold secondary ejection mechanism as shown in fig. 1 to 5, which comprises a fixed mold 1, wherein a movable mold 2 is movably mounted at the top of the fixed mold 1, a guide pillar 3 is fixedly mounted at the top of the fixed mold 1, a mold cavity 4 is formed at the top of the guide pillar 3, and an ejection hole 5 is formed at the bottom of the mold cavity 4;

the inside movable mounting of ejecting hole 5 has ejecting subassembly 6, the bottom fixed mounting of ejecting subassembly 6 has driven lifting unit 7, driven lifting unit 7 movable mounting is in the inside of cover half 1.

As shown in fig. 2 to 4, a driving rod 8 is movably mounted at the bottom of the fixed mold 1, a driving lifting component 12 is fixedly mounted at the top end of the driving rod 8, a fixed column 9 is fixedly mounted inside the fixed mold 1, second teeth are fixedly mounted on the side surface of the fixed column 9, a mounting frame 11 is fixedly mounted at the bottom of the fixed column 9, first teeth 10 are fixedly mounted on the inner wall of the driven lifting component 7, the driving lifting component 12 includes a mounting plate 121, inclined grooves 122 are formed in four corners of the mounting plate 121, fixed blocks 123 are fixedly mounted on four corners of the top of the mounting plate 121, fixed shafts 124 are fixedly mounted on the side surfaces of the fixed blocks 123, rollers 125 are fixedly sleeved on the surfaces of the fixed shafts 124, the size of the inclined grooves 122 is matched with the size of the mounting frame 11, and the mounting frame 11 is fixedly mounted inside the fixed mold 1, the surfaces of the rollers 125 are respectively meshed with the first teeth 10 and the second teeth, the number of the rollers 125 is four, and the four rollers 125 are uniformly distributed on the top of the mounting plate 121 through the axis of the mounting plate 121;

specifically, when the injection molding piece needs to be ejected, the driving rod 8 is firstly utilized to drive the driving lifting assembly 12 to ascend, so that the driving lifting assembly 125 is matched with the second teeth on the surface of the fixed column 9, and meanwhile, the driving rod 125 is matched with the first teeth 10, so that the driven lifting assembly 7 moves upwards integrally, the ejection assembly 6 is driven to eject the injection molding piece, in the process, the driving lifting assembly 12 is driven to move upwards through the driving rod 8, double stroke moving can be realized, the ejection effect is greatly improved, and the stability is high.

As shown in fig. 5, the ejecting assembly 6 includes a mounting sleeve 61, a movable groove 62 is formed at the top of the mounting sleeve 61, a movable column 63 is movably mounted inside the movable groove 62, a piston 64 is fixedly mounted at the bottom end of the movable column 63, a spring 65 is fixedly connected to the bottom surface of the piston 64, an ejecting block 66 is fixedly mounted at the top end of the movable column 63, the ejecting block 66 is movably mounted inside the ejecting hole 5, the piston 64 is movably mounted inside the movable groove 62, and the bottom end of the mounting sleeve 61 is fixedly mounted on the top surface of the driven lifting assembly 7;

specifically, in the jacking process, firstly the injection molding is preliminarily jacked through the jacking block 66 of the jacking assembly 6, and then the jacking block 66 is driven to jack up the injection molding secondarily by the continuous rising of the installation sleeve 61, so that the injection molding is prevented from being directly jacked by large force, pits are easily reserved on the surface of the injection molding, and the machining quality is influenced.

The working process of the utility model is as follows:

when the injection molding piece needs to be ejected, the driving rod 8 is firstly utilized to drive the driving lifting component 12 to ascend, so that the idler wheel 125 is matched with the second teeth on the surface of the fixed column 9, meanwhile, the idler wheel 125 is matched with the first teeth 10, the driven lifting component 7 integrally moves upwards, the ejection component 6 is driven to eject the injection molding piece, and in the process, the driving rod 8 drives the driving lifting component 12 to move upwards, so that double travel is realized, the ejection effect is greatly improved, and the stability is high; in the jacking process, firstly, the injection molding piece is preliminarily jacked through the jacking block 66 of the jacking assembly 6, and then the jacking block 66 is driven to jack up the injection molding piece secondarily by the continuous rising of the installation sleeve 61, so that the injection molding piece is prevented from being directly jacked by large force, pits are easily reserved on the surface of the injection molding piece, and the machining quality is influenced.

In the scheme, the driving rod 8 drives the driving lifting assembly 12 to move upwards, so that double moving strokes can be realized, the ejection effect is greatly improved, and the stability is high; in the above scheme, the ejector block 66 through the ejection assembly 6 firstly carries out primary jacking on the injection molding, and then the ejector block 66 is driven by the continuous rising of the installation sleeve 61 to carry out secondary jacking on the injection molding, so that the injection molding is prevented from being directly ejected by large force, pits are easily left on the surface of the injection molding, and the condition of processing quality is influenced.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. A novel mold secondary ejection mechanism comprises a fixed mold (1) and is characterized in that a movable mold (2) is movably mounted at the top of the fixed mold (1), a guide pillar (3) is fixedly mounted at the top of the fixed mold (1), a mold cavity (4) is formed in the top of the guide pillar (3), and an ejection hole (5) is formed in the bottom of the mold cavity (4);

the inside movable mounting of ejecting hole (5) has ejecting subassembly (6), the bottom fixed mounting of ejecting subassembly (6) has driven lifting unit (7), driven lifting unit (7) movable mounting is in the inside of cover half (1).

2. The novel mold secondary ejection mechanism according to claim 1, wherein a driving rod (8) is movably mounted at the bottom of the fixed mold (1), a driving lifting assembly (12) is fixedly mounted at the top end of the driving rod (8), a fixed column (9) is fixedly mounted in the fixed mold (1), a second tooth is fixedly mounted on the side surface of the fixed column (9), a mounting frame (11) is fixedly mounted at the bottom of the fixed column (9), and a first tooth (10) is fixedly mounted on the inner wall of the driven lifting assembly (7).

3. The novel secondary mold ejection mechanism according to claim 2, wherein the active lifting assembly (12) comprises a mounting plate (121), inclined grooves (122) are formed in four corners of the mounting plate (121), fixed blocks (123) are fixedly mounted in four corners of the top of the mounting plate (121), a fixed shaft (124) is fixedly mounted on a side surface of each fixed block (123), and a roller (125) is fixedly sleeved on a surface of each fixed shaft (124).

4. The novel mold secondary ejection mechanism of claim 3, characterized in that the size of the chute (122) is adapted to the size of a mounting frame (11), and the mounting frame (11) is fixedly mounted inside the fixed mold (1).

5. The novel mold secondary ejection mechanism according to claim 3, wherein the surface of the roller (125) is meshed with the first tooth (10) and the second tooth respectively, the number of the rollers (125) is four, and the four rollers (125) are uniformly distributed on the top of the mounting plate (121) through the axis of the mounting plate (121).

6. The novel mold secondary ejection mechanism according to claim 1, wherein the ejection assembly (6) comprises a mounting sleeve (61), a movable groove (62) is formed in the top of the mounting sleeve (61), a movable column (63) is movably mounted inside the movable groove (62), a piston (64) is fixedly mounted at the bottom end of the movable column (63), a spring (65) is fixedly connected to the bottom surface of the piston (64), and an ejector block (66) is fixedly mounted at the top end of the movable column (63).

7. The novel secondary ejection mechanism of the mold according to claim 6, wherein the ejector block (66) is movably installed inside the ejection hole (5), the piston (64) is movably installed inside the movable groove (62), and the bottom end of the installation sleeve (61) is fixedly installed on the top surface of the driven lifting assembly (7).