CN217553029U

CN217553029U - Plastic mold of secondary ejection mechanism

Info

Publication number: CN217553029U
Application number: CN202123155367.5U
Authority: CN
Inventors: 徐贤伟
Original assignee: Kunshan Lukui Precision Mould Co ltd
Current assignee: Kunshan Lukui Precision Mould Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-10-11
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to a secondary ejection mechanism plastic mould, which comprises a supporting table, a supporting bench's top fixedly connected with mounting bracket, the pneumatic cylinder is installed at the top of mounting bracket, the output of pneumatic cylinder is connected with the mould, a supporting bench's top fixedly connected with installation casing, the inner chamber of installation casing is provided with jack-up mechanism, the top fixedly connected with bed die of installation casing, jack-up mechanism's top is connected with secondary ejection mechanism, secondary ejection mechanism sets up in the mould cavity of bed die, go up mould and bed die and align from top to bottom, go up through guide bar and slot connection between mould and the bed die, jack-up mechanism includes servo motor, lead screw, elevator, backup pad, connecting rod and first jack-up board, the utility model discloses a being equipped with jack-up mechanism, can driving secondary ejection mechanism and rise, carry out the drawing of patterns to the product, improve drawing of patterns efficiency and drawing of patterns quality.

Description

Plastic mold of secondary ejection mechanism

Technical Field

The utility model relates to a secondary ejection mechanism plastic mould belongs to plastic mould technical field.

Background

Along with the development of society, plastic products are more and more widely applied in people's life, provide various material consumer goods for people's life, in order to satisfy people's individualized pursuit, and plastic product is just one of many material consumer goods, when the plastic part that the plastic mould shaping was out, the plastic mould at this moment just can reliably be ejecting with the help of its inside ejecting device with the plastic part in the die sinking process, thereby realize the drawing of patterns purpose of plastic part, but when injection mold size is great, ejecting mechanism probably can't pop out automatically, easy emergence is ejecting unsmooth, and the plastic part that ejects still has the risk of being injured by the top, be not convenient for use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a secondary ejection mechanism plastic mould through being equipped with jacking mechanism, can drive secondary ejection mechanism and rise, carries out the drawing of patterns to the product, improves drawing of patterns efficiency and drawing of patterns quality to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a secondary ejection mechanism plastic mould, includes a supporting bench, the top fixedly connected with mounting bracket of brace table, the pneumatic cylinder is installed at the top of mounting bracket, the output of pneumatic cylinder is connected with the mould, the top fixedly connected with installation casing of brace table, the inner chamber of installation casing is provided with jack-up mechanism, the top fixedly connected with bed die of installation casing, the top of jack-up mechanism is connected with secondary ejection mechanism, secondary ejection mechanism sets up the mould intracavity at the bed die.

Furthermore, the upper die and the lower die are aligned up and down, and the upper die and the lower die are connected through the guide rod and the slot.

Furthermore, the jacking mechanism comprises a servo motor, a screw rod, a lifting block, a supporting plate, a connecting rod and a first jacking plate, the output end of the servo motor is connected with the screw rod, the lifting block is in threaded connection with the screw rod, the two ends of the lifting block are fixedly connected with the supporting plate, the connecting rod is fixedly connected with the top of the supporting plate, and the top end of the connecting rod is fixedly connected with the first jacking plate.

Furthermore, first jack-up board sets up in the die cavity of bed die, the both ends of backup pad are passed through slider sliding connection on the inner wall of installation casing.

Further, secondary ejection mechanism includes second jack-up board, telescopic tube, ejector pin, spring and top, ejector pin fixed connection is on first jack-up board, second jack-up board and top fixed connection are passed to the one end of ejector pin, the spring sets up between first jack-up board and second jack-up board, just the outside at the ejector pin is established to the spring housing, telescopic tube connects in second jack-up board bottom both ends position, telescopic tube's bottom fixed connection is in the bottom of bed die cavity.

Furthermore, the telescopic pipe comprises a sleeve and a sleeve, the sleeve is connected in the sleeve in a sliding mode, and a limiting block is arranged at one end, arranged in the sleeve, of the sleeve.

The utility model has the advantages that:

1. by being provided with a jacking mechanism. When demoulding is carried out, the first jacking plate can be driven to lift, so that the ejector rod and the ejector head jack the product once, and the product falls off from the second jacking plate;

2. through being equipped with secondary ejection mechanism, once jack-up back continues to drive first jack-up board through jack-up mechanism and shifts up, and the elasticity of cooperation spring drives the second jack-up board and shifts up, with the mould from the die cavity in the liftout, realizes the complete drawing of patterns of product, convenient and practical.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention.

Fig. 1 is a schematic view of the overall structure of a plastic mold of a secondary ejection mechanism of the present invention;

fig. 2 is a schematic view of the internal structure of the plastic mold of the secondary ejection mechanism of the present invention;

fig. 3 is a schematic structural view of a jacking mechanism of a secondary jacking mechanism plastic mold of the utility model;

fig. 4 is a schematic diagram of a secondary ejection mechanism of a plastic mold with a secondary ejection mechanism according to the present invention;

reference numbers in the figures: 1. a support table; 2. a mounting frame; 3. a hydraulic cylinder; 4. an upper die; 5. installing a shell; 6. a jack-up mechanism; 7. a lower die; 8. a secondary ejection mechanism; 9. a servo motor; 10. a screw rod; 11. a lifting block; 12. a support plate; 13. a connecting rod; 14. a first jacking plate; 15. a second jacking plate; 16. a telescopic sleeve; 17. a top rod; 18. a spring; 19. and (4) ejecting the head.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end" and the like 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 description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention, and furthermore, the terms "first" and "second" are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a secondary ejection mechanism plastic mould, includes brace table 1, and the thermovent has been seted up to brace table 1's side, brace table 1's top fixedly connected with mounting bracket 2, pneumatic cylinder 3 is installed at the top of mounting bracket 2, the output of pneumatic cylinder 3 is connected with mould 4, brace table 1's top fixedly connected with installation casing 5, the inner chamber of installation casing 5 is provided with jack-up mechanism 6, the top fixedly connected with bed die 7 of installation casing 5, the top of jack-up mechanism 6 is connected with secondary ejection mechanism 8, secondary ejection mechanism 8 sets up in the mould intracavity of bed die 7.

Specifically, as shown in fig. 2, the upper mold 4 and the lower mold 7 are aligned up and down, and the upper mold 4 and the lower mold 7 are connected through a guide rod and a slot, so that the mold connection is facilitated.

Specifically, as shown in fig. 3, the jacking mechanism 6 includes a servo motor 9, a screw rod 10, a lifting block 11, a support plate 12, a connecting rod 13 and a first jacking plate 14, the output end of the servo motor 9 is connected with the screw rod 10, the lifting block 11 is in threaded connection with the screw rod 10, two ends of the lifting block 11 are fixedly connected with the support plate 12, the connecting rod 13 is fixedly connected to the top of the support plate 12, the top end of the connecting rod 13 is fixedly connected with the first jacking plate 14, the screw rod 10 is driven to rotate through the servo motor 9, so that the lifting block 11 drives the support plate 12 to lift, the connecting rod 13 drives the first jacking plate 14 to lift, the first jacking plate 14 is arranged in a cavity of the lower die 7, two ends of the support plate 12 are connected to the inner wall of the mounting shell 5 through a sliding block, and the support plate 12 is lifted stably.

Specifically, as shown in fig. 4, the secondary ejection mechanism 8 includes a second jacking plate 15, a telescopic tube 16, a push rod 17, a spring 18 and a plug 19, the push rod 17 is fixedly connected to the first jacking plate 14, one end of the push rod 17 passes through the second jacking plate 15 and is fixedly connected to the plug 19, the spring 18 is disposed between the first jacking plate 14 and the second jacking plate 15, the spring 18 is sleeved on the outer side of the push rod 17 and can drive the push rod 17 and the plug 19 to reset, the telescopic tube 16 is connected to two ends of the bottom of the second jacking plate 15, the bottom of the telescopic tube 16 is fixedly connected to the bottom of the die cavity of the lower die 7, when the servo motor 9 drives the first jacking plate 14 to rise, the ejector rod 17 drives the ejector head 19 to jack up a product once, so that the product is separated from the second jacking plate 15, then the first jacking plate 14 continues to rise, the second jacking plate 15 rises by matching with the elasticity of the spring 18, meanwhile, the telescopic sleeve 16 stretches out and draws back, so that the product is ejected out of the die cavity by the second jacking plate 15, demolding is facilitated, and secondary ejection is realized, the telescopic sleeve 16 consists of a sleeve and a sleeve, the sleeve is connected in the sleeve in a sliding manner, and one end of the sleeve, which is arranged in the sleeve, is provided with a limiting block.

The utility model discloses the theory of operation: when using this plastic mould, it moves down with bed die 7 zonulae occludens to drive mould 4 through pneumatic cylinder 3, then mould plastics to the product can, when the product shaping is demolded, start servo motor 9 and drive lead screw 10 and rotate, make lift block 11 drive backup pad 12 and rise, make connecting rod 13 drive first jack-up board 14 and rise, make ejector pin 17 drive top 19 and carry out jack-up once to the product, make the product separate from second jack-up board 15, then first jack-up board 14 continues to rise, cooperation spring 18's elasticity makes second jack-up board 15 rise, telescopic tube 16 stretches out and draws back simultaneously, make second jack-up board 15 with the ejecting die cavity of product, be convenient for carry out the drawing of patterns to the product, realize the secondary is ejecting, improve the efficiency of drawing of patterns, and is convenient and practical.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a secondary ejection mechanism plastic mould, includes brace table (1), its characterized in that: the top fixedly connected with mounting bracket (2) of brace table (1), pneumatic cylinder (3) are installed at the top of mounting bracket (2), the output of pneumatic cylinder (3) is connected with mould (4), the top fixedly connected with installation casing (5) of brace table (1), the inner chamber of installation casing (5) is provided with jack-up mechanism (6), the top fixedly connected with bed die (7) of installation casing (5), the top of jack-up mechanism (6) is connected with secondary ejection mechanism (8), secondary ejection mechanism (8) set up in the die cavity of bed die (7).

2. The plastic mold of claim 1, wherein: the upper die (4) and the lower die (7) are aligned up and down, and the upper die (4) is connected with the lower die (7) through a guide rod and a slot.

3. The plastic mold of claim 2, wherein: jacking mechanism (6) include servo motor (9), lead screw (10), elevator (11), backup pad (12), connecting rod (13) and first jacking board (14), the output and lead screw (10) of servo motor (9) are connected, elevator (11) threaded connection is on lead screw (10), the both ends and backup pad (12) fixed connection of elevator (11), connecting rod (13) fixed connection is at the top of backup pad (12), the top and first jacking board (14) fixed connection of connecting rod (13).

4. The plastic mold of claim 3, wherein: the first jacking plate (14) is arranged in a die cavity of the lower die (7), and two ends of the supporting plate (12) are connected to the inner wall of the mounting shell (5) in a sliding mode through sliding blocks.

5. The plastic mold of claim 4, wherein: secondary ejection mechanism (8) include second jack-up board (15), telescopic tube (16), ejector pin (17), spring (18) and top (19), ejector pin (17) fixed connection is on first jack-up board (14), second jack-up board (15) and top (19) fixed connection are passed to the one end of ejector pin (17), spring (18) set up between first jack-up board (14) and second jack-up board (15), just the outside at ejector pin (17) is established in spring (18) cover, telescopic tube (16) are connected in second jack-up board (15) bottom both ends position, the bottom fixed connection of telescopic tube (16) is in the bottom of bed die (7) die cavity.

6. The plastic mold of claim 5, wherein: the telescopic sleeve (16) is composed of a sleeve and a sleeve, the sleeve is connected in the sleeve in a sliding mode, and a limiting block is arranged at one end, arranged in the sleeve, of the sleeve.