CN211074560U

CN211074560U - Ejection device for plastic product injection mold

Info

Publication number: CN211074560U
Application number: CN201921580034.7U
Authority: CN
Inventors: 杨俊�
Original assignee: Chongqing Shuanghexin Plastic Products Co ltd
Current assignee: Chongqing Shuanghexin Plastic Products Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-07-24
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a plastic products injection mold ejecting device, including fuselage, movable mould board and quiet template, the mouth of moulding plastics has been seted up at the center at fuselage top, the center of fuselage is provided with the passageway of moulding plastics corresponding with the mouth of moulding plastics, the center of the mouth of moulding plastics is provided with the injection molding machine, the center of injection molding machine bottom is provided with the shower nozzle of moulding plastics, be provided with buffer between fuselage and the quiet template, the both sides at fuselage center are provided with first inlet channel and second inlet channel respectively, the both sides of fuselage center bottom all are provided with the ejecting device corresponding with first inlet channel and second inlet channel. The utility model discloses in, the device compares with traditional device, and its structure and design all have great innovation and improvement, and this ejecting device takes the symmetry design, makes finished product atress more even when the drawing of patterns, can not take place easily to break or great deformation for drawing of patterns efficiency obtains improving greatly, is worth wideling popularize.

Description

Ejection device for plastic product injection mold

Technical Field

The utility model relates to an ejecting device technical field especially relates to a plastic products injection mold ejecting device.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

After plastics are cooled and formed in a mold, demolding is needed, namely, a formed plastic product is ejected out of the mold, in the process, an ejection device is generally needed, but existing ejection devices have certain defects, the traditional ejection devices all use a hydraulic device to drive a telescopic rod to eject the formed product, but due to the fact that ejection thrust is uneven, finished products are prone to cracking, and therefore a novel plastic product injection mold ejection device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a plastic product injection mold ejection device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a plastic products injection mold ejecting device, includes fuselage, movable mould board and quiet template, the mouth of moulding plastics has been seted up at the center at fuselage top, the center of fuselage is provided with the passageway of moulding plastics corresponding with the mouth of moulding plastics, the center of the mouth of moulding plastics is provided with the injection molding machine, the center of injection molding machine bottom is provided with the shower nozzle of moulding plastics, be provided with buffer between fuselage and the quiet template, the both sides at fuselage center are provided with first inlet channel and second inlet channel respectively, the both sides of fuselage center bottom all are provided with the ejecting device corresponding with first inlet channel and second inlet channel.

As a further description of the above technical solution:

the buffering device comprises a buffering rod, the buffering rod is fixedly connected to the two sides of the bottom of the machine body, a buffering spring is sleeved on the outer wall of the buffering rod, and sliding grooves corresponding to the buffering rod are formed in the centers of the two sides of the top of the static template.

As a further description of the above technical solution:

the buffer rod runs through the sliding groove and extends to the bottom of the static template, and one end of the buffer rod, far away from the machine body, is fixedly connected with a limiting block corresponding to the sliding groove.

As a further description of the above technical solution:

the ejection device comprises an air inlet groove, limiting rods are arranged on two sides of the top of the air inlet groove, reset springs are arranged on the outer walls of the two limiting rods, and an ejector block is arranged at the bottom of the air inlet groove.

As a further description of the above technical solution:

and one end of the return spring, which is far away from the air inlet groove, is fixedly connected with the ejector block.

As a further description of the above technical solution:

the top block is arranged in a conical shape.

The utility model discloses following beneficial effect has: 1. the utility model provides a pair of plastic products injection mold ejecting device compares with traditional device, the device simple structure, convenient and practical, the device take pneumatic ejecting design, and the kicking block is the toper setting moreover, makes it be convenient for withdraw fast behind ejecting shaped product, can not take place the condition that blocks, and work efficiency improves greatly.

2. Compared with the traditional device, the device has great innovation and improvement in structure and design, and the ejection device adopts a symmetrical design, so that the finished product is stressed more uniformly during demolding, and cannot be broken or deformed easily, the demolding efficiency is greatly improved, and the device is worthy of great popularization.

Drawings

Fig. 1 is a front view structural diagram of an ejection device of an injection mold for plastic products, which is provided by the utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged view of B in fig. 1.

Illustration of the drawings:

1. a body; 2. moving the template; 3. a static template; 4. an injection molding port; 5. injection molding a channel; 6. an injection molding machine; 7. injection molding a spray head; 8. a buffer rod; 9. a buffer spring; 10. a chute; 11. a limiting block; 12. a first air intake passage; 13. a second intake passage; 14. an air inlet groove; 15. a limiting rod; 16. a return spring; 17. and (7) a top block.

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", 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 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 ejection device of an injection mold for plastic products comprises a machine body 1, a movable mold plate 2 and a static mold plate 3, wherein an injection port 4 is arranged at the center of the top of the machine body 1, an injection channel 5 corresponding to the injection port 4 is arranged at the center of the machine body 1, an injection molding machine 6 is arranged at the center of the injection port 4, an injection nozzle 7 is arranged at the center of the bottom of the injection molding machine 6, after the injection molding machine 6 is inserted into the injection port 4, the melted plastic liquid is sprayed into the injection molding channel 5 through the injection molding nozzle 7, the plastic liquid enters the mold cavity through the injection molding channel 5, be provided with buffer between fuselage 1 and the quiet template 3, the both sides at fuselage 1 center are provided with first inlet channel 12 and second inlet channel 13 respectively, and the air inlet department of first inlet channel 12 and second inlet channel 13 all is connected with the cylinder, and the both sides of fuselage 1 center bottom all are provided with the ejecting device corresponding with first inlet channel 12 and second inlet channel 13.

Buffer includes buffer beam 8, the equal fixedly connected with buffer beam 8 in both sides of 1 bottom of fuselage, buffer spring 9 has been cup jointed to buffer beam 8's outer wall, the center of 3 top both sides of quiet template is provided with the spout 10 corresponding with buffer beam 8, when needing to produce plastic products, movable mould board 2 can automatic lifting under the effect of pneumatic cylinder, thereby form the compound die with quiet template 3, when movable mould board 2 lifts, buffer is under buffer beam 8 and buffer spring 9's effect, can prevent that movable mould board 2 lifting is too fast and lead to quiet template 3 and fuselage 1 to take place great collision.

Buffer rod 8 runs through spout 10 and extends to the bottom of quiet template 3, and buffer rod 8 keeps away from the one end fixedly connected with of fuselage 1 and the stopper 11 that spout 10 is corresponding, and buffer rod 8 runs through spout 10 and makes a round trip to slide in spout 10, and stopper 11 can prevent that quiet template 3 from breaking away from fuselage 1.

The ejection device comprises an air inlet groove 14, limiting rods 15 are arranged on two sides of the top of the air inlet groove 14, reset springs 16 are arranged on the outer walls of the two limiting rods 15, an ejector block 17 is arranged at the bottom of the air inlet groove 14, a large amount of air can be ejected out by an air cylinder after plastic products are cooled and formed and simultaneously enters the first air inlet channel 12 and the second air inlet channel 13, the air enters the air inlet groove 14 through the two air inlet channels, the ejector block 17 is ejected out of the air inlet groove 14, the ejector block 17 can eject out of the formed product of the static template 3 at the moment, the demolding purpose is realized, and due to the adoption of the symmetrical design, the stress of the plastic products can be more uniform in the demolding process, and the breakage or the large deformation cannot occur easily.

One end of the return spring 16, which is far away from the air inlet groove 14, is fixedly connected with the top block 17, and after the top block 17 ejects a formed product, the top block 17 can be automatically retracted under the elastic action of the return spring 16.

The ejector block 17 is arranged in a conical shape, and the conical design facilitates quick retraction after the formed product is ejected.

The working principle is as follows: the utility model provides a plastics products injection mold ejecting device has great improvement innovation with traditional device, when we need use the device to produce plastics products, movable mould board 2 can automatic lifting under the effect of pneumatic cylinder, thereby form the compound die with quiet template 3, injection molding machine 6 is after inserting injection molding mouth 4, spout the plastics liquid that melts to injection molding passageway 5 through injection molding shower nozzle 7, plastics liquid gets into the die cavity through injection molding passageway 5, plastics liquid can cool off the shaping gradually in the die cavity, movable mould board 2 can contract downwards under the drive of pneumatic cylinder after the cooling shaping, the cylinder can emit a large amount of gas at this moment and get into first inlet channel 12 and second inlet channel 13 simultaneously, gas gets into in air inlet duct 14 through two inlet channel, thereby ejecting kicking block 17 out air inlet duct 14, and kicking block 17 also can ejecting the finished product out quiet template 3 at this moment, thereby realize the mesh of drawing of patterns, because of adopting the symmetrical design, the stress of the plastic product can be more uniform in the demoulding process, the plastic product can not be easily broken or greatly deformed, and the demoulding efficiency is greatly improved.

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 a plastic products injection mold ejecting device, includes fuselage (1), movable mould board (2) and quiet template (3), its characterized in that: the center at fuselage (1) top has been seted up and has been moulded plastics mouth (4), the center of fuselage (1) is provided with and moulds plastics mouthful corresponding passageway (5) of moulding plastics (4), the center of moulding plastics mouthful (4) is provided with injection molding machine (6), the center of injection molding machine (6) bottom is provided with the shower nozzle (7) of moulding plastics, be provided with buffer between fuselage (1) and quiet template (3), the both sides at fuselage (1) center are provided with first inlet channel (12) and second inlet channel (13) respectively, the both sides of fuselage (1) center bottom all are provided with the ejecting device corresponding with first inlet channel (12) and second inlet channel (13).

2. The plastic product injection mold ejection device of claim 1, wherein: the buffer device comprises a buffer rod (8), the buffer rods (8) are fixedly connected to the two sides of the bottom of the machine body (1), a buffer spring (9) is sleeved on the outer wall of each buffer rod (8), and sliding grooves (10) corresponding to the buffer rods (8) are formed in the centers of the two sides of the top of the static template (3).

3. The plastic product injection mold ejection device of claim 2, wherein: buffer rod (8) run through spout (10) and extend to the bottom of quiet template (3), just one end fixedly connected with that fuselage (1) is kept away from in buffer rod (8) and stopper (11) corresponding with spout (10).

4. The plastic product injection mold ejection device of claim 1, wherein: the ejection device comprises an air inlet groove (14), limiting rods (15) are arranged on two sides of the top of the air inlet groove (14), return springs (16) are arranged on the outer walls of the two limiting rods (15), and an ejection block (17) is arranged at the bottom of the air inlet groove (14).

5. The plastic product injection mold ejection device of claim 4, wherein: one end of the return spring (16) far away from the air inlet groove (14) is fixedly connected with the top block (17).

6. The plastic product injection mold ejection device of claim 4, wherein: the top block (17) is arranged in a conical shape.