CN214773766U

CN214773766U - Ejector for injection mold

Info

Publication number: CN214773766U
Application number: CN202120825851.5U
Authority: CN
Inventors: 杨辉平
Original assignee: Dongguan Anpute Two Color Molding Technology Co ltd
Current assignee: Dongguan Anpute Two Color Molding Technology Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-19
Anticipated expiration: 2031-04-22

Abstract

The utility model relates to the technical field of mold pushing devices, in particular to a pushing piece for an injection mold, which comprises a mold plate, a rigid spring and a limiting fixture block, wherein a main pushing shaft is arranged at the middle position of the lower side of the mold plate, a positioning connecting plate is fixedly connected with the upper side of the main pushing shaft, and evenly distributed thimble guide rods are fixedly connected with the upper side of the positioning connecting plate; the utility model discloses in, through location cardboard, location axle and the connecting axle that sets up, this kind of setting is convenient for dismantle and install the push pedal, the effectual staff that has reduced maintains, the time of using when maintaining, maintaining the push pedal, has increased the use flexibility of push pedal, has improved the practicality of push pedal.

Description

Ejector for injection mold

Technical Field

The utility model relates to a mould ejecting device technical field specifically is an injection mold is with ejecting.

Background

With the rapid development of the plastic industry and the popularization and application of plastic products in the industrial sectors of aviation, ships, automobiles and the like, the requirements of products on molds are higher and higher, an injection mold is a tool for producing plastic products and is also a tool for endowing the plastic products with complete structures and accurate sizes, and injection molding is a processing method used for batch production of parts with complex shapes, and specifically, heated and melted plastic is injected into a mold cavity from an injection molding machine at high pressure and is cooled and solidified to obtain a formed product.

Injection mold who uses in the society today can produce the ejection piece and is taking place by the phenomenon of pushing out the mould completely behind the ejection injection piece because the structure setting of its inside ejection piece to need the manual work to take the operation, not only waste time and energy, and reduced mould production efficiency, consequently propose to above-mentioned problem, an injection mold is with ejection piece.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold is with ejecting 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:

an ejector for an injection mold comprises a mold plate, a rigid spring and a limiting fixture block, wherein a main ejector shaft is arranged at the middle position of the lower side of the mold plate, a positioning connecting plate is fixedly connected to the upper side of the main ejector shaft, uniformly distributed ejector pin guide rods are fixedly connected to the upper side of the positioning connecting plate, a connecting pipe is fixedly connected to the inner lower side of each ejector pin guide rod, a pneumatic control block is fixedly connected to the upper side of the connecting pipe, a pneumatic telescopic rod is fixedly connected to the upper side of the pneumatic control block, an auxiliary ejector rod is fixedly connected to the upper side of the pneumatic telescopic rod, the outer ends of the upper side and the lower side of the auxiliary ejector rod are slidably connected with a positioning plate, the outer side of the positioning plate is fixedly connected with the ejector pin guide rod, a limiting connecting plate is arranged on the upper side of the positioning plate, the inner side of the limiting connecting plate is fixedly connected with the auxiliary ejector pin guide rod, the outer side of the limiting connecting plate is slidably connected with the ejector pin guide rod, the auxiliary ejector rod is fixedly connected with a positioning clamping plate at the upper end, a connecting shaft is fixedly connected to the outer side of the positioning clamping plate, a positioning shaft is fixedly connected to the middle position of the upper end of the positioning clamping plate, a connecting shaft is fixedly connected to the outer side of the positioning shaft, and a push plate is fixedly connected to the upper end of the connecting shaft.

Preferably, the auxiliary ejector rod is provided with a rigid spring at the upper side of the limiting connecting plate, the lower side of the rigid spring is fixedly connected with the limiting connecting plate, and the upper side of the rigid spring is fixedly connected with the positioning plate.

Preferably, the front end and the rear end of the positioning shaft are fixedly connected with limiting clamping blocks, and limiting clamping grooves are formed in the positions, located on the outer sides of the limiting clamping blocks, of the inner sides of the connecting shafts.

Preferably, the middle position of the inner side of the limiting clamping block is provided with a threaded fixing hole, the inner side of the connecting shaft is provided with a threaded fixing hole, and the limiting clamping block is fixedly connected with the connecting shaft through a fixing bolt.

Preferably, a pressure-sensitive sensor is fixedly connected to the inner side of the push plate.

Preferably, the inner side of the connecting shaft at the position outside the positioning shaft is provided with a positioning groove, and the inner side of the connecting shaft at the position outside the positioning clamping plate is provided with a positioning clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the positioning clamping plate, the positioning shaft and the connecting shaft are arranged, the limiting clamping block is fixedly connected with the front end and the rear end of the positioning shaft, and the limiting clamping block is fixedly connected with the connecting shaft through the fixing bolt;

2. the utility model discloses in, through thimble guide arm, pneumatic control piece, pneumatic telescopic link and the supplementary ejector pin that sets up, this kind of setting has avoided producing in the mould and has pushed out the piece after the injection molding, and the injection molding is not appeared by the problem of pushing out the mould completely, has improved the efficiency that the injection molding was released to the piece of pushing out, has reduced staff's work load, labour saving and time saving, and the effectual production efficiency who improves injection mold.

Drawings

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

FIG. 2 is a schematic sectional view of the connecting shaft of the present invention;

FIG. 3 is a schematic sectional view of the thimble guide rod of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

fig. 5 is a schematic view of the positioning shaft of the present invention.

In the figure: 1-mould plate, 2-main push shaft, 3-positioning connecting plate, 4-thimble guide rod, 5-connecting pipe, 6-pneumatic control block, 7-pneumatic telescopic rod, 8-auxiliary ejector rod, 9-positioning plate, 10-limiting connecting plate, 11-rigid spring, 12-positioning clamping plate, 13-positioning shaft, 14-limiting clamping block, 15-connecting shaft, 16-push plate and 17-fixing bolt.

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.

Referring to fig. 1-5, the present invention provides a technical solution:

an ejector for an injection mold comprises a mold plate 1, a rigid spring 11 and a limiting fixture block 14, wherein a main ejector shaft 2 is arranged at the middle position of the lower side of the mold plate 1, a positioning connecting plate 3 is fixedly connected to the upper side of the main ejector shaft 2, ejector guide rods 4 which are uniformly distributed are fixedly connected to the upper side of the positioning connecting plate 3, a connecting pipe 5 is fixedly connected to the inner lower side of each ejector guide rod 4, a pneumatic control block 6 is fixedly connected to the upper side of each connecting pipe 5, a pneumatic telescopic rod 7 is fixedly connected to the upper side of each pneumatic control block 6, auxiliary ejector rods 8 are fixedly connected to the upper side of each pneumatic telescopic rod 7, positioning plates 9 are slidably connected to the outer ends of the upper side and the lower side of each auxiliary ejector rod 8, ejector guide rods 4 are fixedly connected to the outer sides of the positioning plates 9, a limiting connecting plate 10 is arranged on the upper side of each positioning plate 10, and ejector guide rods 4 are slidably connected to the outer sides of the limiting connecting plates 10, the upper end of the auxiliary ejector rod 8 is fixedly connected with a positioning clamping plate 12, the outer side of the positioning clamping plate 12 is fixedly connected with a connecting shaft 15, the middle position of the upper end of the positioning clamping plate 12 is fixedly connected with a positioning shaft 13, the outer side of the positioning shaft 13 is fixedly connected with a connecting shaft 15, and the upper end of the connecting shaft 15 is fixedly connected with a push plate 16.

The outer side of the auxiliary mandril 8 positioned at the position of the upper side of the limiting connecting plate 10 is provided with a rigid spring 11, the lower side of the rigid spring 11 is fixedly connected with the limiting connecting plate 10, the upper side of the rigid spring 11 is fixedly connected with a positioning plate 9, the arrangement is convenient for the auxiliary mandril 8 to realize the return operation in the thimble guide rod 4, the use flexibility of the auxiliary mandril 8 is increased, the front end and the rear end of the positioning shaft 13 are fixedly connected with a limiting clamping block 14, the inner side of the connecting shaft 15 positioned at the position of the outer side of the limiting clamping block 14 is provided with a limiting clamping groove, the arrangement is convenient for pre-fixing the positioning shaft 13 at the inner side of the connecting shaft 15 to fixedly install the connecting shaft 15, the middle position of the inner side of the limiting clamping block 14 is provided with a thread fixing hole, the inner side of the connecting shaft 15 is provided with a thread fixing hole, the limiting clamping block 14 is fixedly connected with the connecting shaft 15 through a fixing bolt 17, and the arrangement ensures that the connecting shaft 15 is fixed at the upper end of the auxiliary mandril 8, be convenient for dismantle and the installation connecting axle 15, the inboard fixedly connected with pressure sensitive sensor of push pedal 16, this kind of setting makes push pedal 16 can respond to the drawing of patterns state of injection molding, is located 13 outside positions of location department connecting axle 15 inboards and has seted up the constant head tank, is located 12 outside positions of location cardboard department connecting axle 15 inboards and has seted up positioning groove, and this kind of setting has increased connecting axle 15 and supplementary ejector pin 8's connection stability.

The working process is as follows: when an injection mold is used for demolding an injection molding part, firstly, a main pushing shaft 2 moves upwards to push a positioning connecting plate 3, the positioning connecting plate 3 moves to push an ejector pin guide rod 4 to move upwards, the ejector pin guide rod 4 moves upwards to push the injection molding part to move for demolding, the ejector pin guide rod 4 pushes the injection molding part, when the injection molding part is demolded, a pressure-sensitive sensor is fixedly connected to the inner side of a push plate 16 and senses and sends out a signal, a controller controls an air pump to activate a pneumatic control block 6 through a connecting pipe 5, the pneumatic control block 6 controls a pneumatic telescopic rod 7 to extend into the pneumatic telescopic rod 7, the pneumatic telescopic rod 7 extends into a connecting shaft 15 to move, the connecting shaft 15 moves to drive the push plate 16 to move, so that the push plate 16 extends out of the ejector pin guide rod 4, the push plate 16 pushes an injection molding part to assist in demolding, and when the push plate 16 needs to be maintained and maintained, firstly, the pneumatic control block 6 is controlled, make pneumatic telescopic link 7 drive connecting axle 15 and promote push pedal 16 and stretch out thimble guide arm 4, then move connecting axle 15 side fixing bolt 17 through twisting, make fixing bolt 17 break away from connecting axle 15, can take connecting axle 15 down from 8 upsides of supplementary ejector pin, maintain push pedal 16, the maintenance, when installing

push pedal

16, 8 upside fixedly connected with location cardboard 12 of supplementary ejector pin, 12 upside fixedly connected with location axle 13 of location cardboard, the spacing fixture block 14 of both ends fixedly connected with around the location axle 13, at first need connect axle 15 block at location axle 13 upside fix in advance, then use fixing bolt 17 fasten can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold is with ejecting, includes mould board (1), rigid spring (11) and spacing fixture block (14), its characterized in that: the die plate is characterized in that a main push shaft (2) is arranged at the middle position of the lower side of the die plate (1), a positioning connecting plate (3) is fixedly connected to the upper side of the main push shaft (2), ejector pin guide rods (4) which are uniformly distributed are fixedly connected to the upper side of the positioning connecting plate (3), a connecting pipe (5) is fixedly connected to the inner lower side of each ejector pin guide rod (4), a pneumatic control block (6) is fixedly connected to the upper side of each connecting pipe (5), a pneumatic telescopic rod (7) is fixedly connected to the upper side of each pneumatic control block (6), auxiliary ejector rods (8) are fixedly connected to the upper side and the lower side of each auxiliary ejector rod (8), positioning plates (9) are fixedly connected to the outer ends of the upper side and the lower side of each positioning plate (9), a limit connecting plate (10) is arranged at the lower side of each positioning plate (9), and auxiliary ejector rods (8) are fixedly connected to the inner side of each limit connecting plate (10), spacing connecting plate (10) outside sliding connection has thimble guide arm (4), auxiliary ejector pin (8) upper end fixedly connected with location cardboard (12), location cardboard (12) outside fixedly connected with connecting axle (15), location cardboard (12) upper end intermediate position department fixedly connected with location axle (13), location axle (13) outside fixedly connected with connecting axle (15), connecting axle (15) upper end fixedly connected with push pedal (16).

2. The ejector of claim 1, wherein: the auxiliary ejector rod (8) is provided with a rigid spring (11) at the upper side of the limiting connecting plate (10), the lower side of the rigid spring (11) is fixedly connected with the limiting connecting plate (10), and the upper side of the rigid spring (11) is fixedly connected with the positioning plate (9).

3. The ejector of claim 1, wherein: the front end and the rear end of the positioning shaft (13) are fixedly connected with limiting clamping blocks (14), and limiting clamping grooves are formed in the inner sides of the connecting shafts (15) at the positions, located on the outer sides of the limiting clamping blocks (14).

4. The ejector of claim 1, wherein: the limiting clamping block (14) is provided with a threaded fixing hole at the middle position of the inner side, the connecting shaft (15) is provided with a threaded fixing hole at the inner side, and the limiting clamping block (14) is fixedly connected with the connecting shaft (15) through a fixing bolt (17).

5. The ejector of claim 1, wherein: and the inner side of the push plate (16) is fixedly connected with a pressure-sensitive sensor.

6. The ejector of claim 1, wherein: the inner side of the connecting shaft (15) at the outer side of the positioning shaft (13) is provided with a positioning groove, and the inner side of the connecting shaft (15) at the outer side of the positioning clamping plate (12) is provided with a positioning clamping groove.