CN207696988U

CN207696988U - Mold liftout attachment

Info

Publication number: CN207696988U
Application number: CN201721893354.9U
Authority: CN
Inventors: 黄强; 何永强
Original assignee: Europe Tang Technology (shenzhen) Co Ltd
Current assignee: Europe Tang Technology (shenzhen) Co Ltd
Priority date: 2017-12-28
Filing date: 2017-12-28
Publication date: 2018-08-07
Anticipated expiration: 2027-12-28

Abstract

The utility model discloses a kind of mold liftout attachments, including swing mechanism, two articulation mechanisms and two mandrils, the swing mechanism includes seesaw and shaft, the shaft is located at the middle part of the seesaw, boss there are two being set on the top surface of the seesaw, the articulation mechanism forms cambered surface contact by the way that the boss is rotationally connected on the seesaw, and the mandril is slidably connected on the top surface of the articulation mechanism and forms plane contact.The mold liftout attachment is simple in structure, solves the disadvantage that existing seesaw type structure liftout attachment parts service life is short, positional precision is low.

Description

Mold liftout attachment

Technical field

The utility model is related to injection mold fields, and in particular to a kind of mold liftout attachment

Background technology

Currently, in injection mold seesaw type structure liftout attachment, be a kind of structure for being frequently necessary to use, work as product When cooling abjection, core or mold insert are easy the cooled product shunk and pack tightly, and cause article removal difficult, apply seesaw at this time The liftout attachment of formula structure can be such that core or mold insert is first moved to stripping direction, to be detached with product；Seesaw type structure Liftout attachment is simple in structure, and manufacturing cost is relatively low, therefore is widely used in injection mold.

But in the liftout attachment of existing seesaw type structure, contact of the seesaw with mandril contacts for line, worked With the increase of times of exercise in journey, abrasion between the two can aggravate rapidly, and the position precision of workpiece is caused to decline, therefore, There is an urgent need to a kind of mold liftout attachments that can improve current seesaw type structure for injection mold industry.

Invention content

The purpose of this utility model is to provide a kind of mold liftout attachments, and the mold liftout attachment is simple in structure, solve Existing seesaw type structure liftout attachment parts service life is short, positional precision is low disadvantage.

Its technical solution is as follows：

Mold liftout attachment, including swing mechanism, two articulation mechanisms and two mandrils, the swing mechanism include lifting up Plate and shaft, the shaft are located at the middle part of the seesaw, are set on the top surface of the seesaw there are two boss, the joint Mechanism forms cambered surface contact by the way that the boss is rotationally connected on the seesaw, and the mandril is slidably connected to the pass It saves on the top surface of mechanism and forms plane contact.

The boss is arc boss, and the bottom surface of the articulation mechanism is equipped with arc pit, the arc boss and institute Arc pit is stated to match and form the cambered surface contact.

The articulation mechanism includes supporting block, drive end bearing bracket and rear end cap, and the bottom surface of the supporting block is equipped with the arc Pit, the drive end bearing bracket, rear end cap are individually fixed in the front end face of the supporting block, on rear end face；It is set on the arc boss There is axis pin, pin hole is equipped on the drive end bearing bracket, rear end cap, the axis pin matches with the pin hole and forms revolute pair.

The bottom surface of the mandril and the top surface of the supporting block are plane, and two flat faces touch and form the plane and connect It touches.

The mode that the drive end bearing bracket, rear end cap are connected through a screw thread is individually fixed in the front end face of the supporting block, rear end On face.

The drive end bearing bracket and rear end cap are in a cross-shaped mode, and salient angle is equipped on the front end face of the supporting block, rear end face, The salient angle on supporting block front end face is formed with the drive end bearing bracket of " ten " shape just to be coordinated, described convex on supporting block rear end face Angle is formed with the rear end cap of " ten " shape just to be coordinated.

The drive end bearing bracket and rear end cap specification having the same.

The articulation mechanism, mandril, boss are symmetrical about the middle part of the seesaw.

The advantages of below to the utility model or principle illustrate：

1, it forms cambered surface in the mold liftout attachment, between articulation mechanism and seesaw to contact, mandril and articulation mechanism Between form plane contact, when seesaw is swung around shaft, articulation mechanism is with the swing of seesaw and around convex Platform rotates, meanwhile, mandril is slided with the rotation of articulation mechanism on the top surface of articulation mechanism；The mold liftout attachment passes through Articulation mechanism is added between mandril and swing mechanism, and the kind of drive that passing line contacts is changed into the transmission side of face contact Formula reduces the abrasion of parts during the motion, improves the service life of parts and the positional precision of workpiece.

2, arc boss matches with arc pit and forms cambered surface and contact, when seesaw is swung around shaft, Articulation mechanism can be rotated with the swing of seesaw along the cambered surface between arc boss and arc pit, and form is simple Reliably, convenient to carry out.

3, axis pin matches with pin hole and forms revolute pair, and when seesaw is swung around shaft, articulation mechanism can It is rotated around boss with the swing of seesaw by cooperation between axis pin and pin hole, form is simple, convenient to carry out.

4, the bottom surface of mandril is in contact with the top surface of supporting block and forms plane contact, when seesaw is put around shaft When dynamic, articulation mechanism is rotated with the swing of seesaw and around boss, meanwhile, mandril is being propped up with the rotation of articulation mechanism It is slided on the top surface of bracer, form is simple, convenient to carry out.

5, the mode that drive end bearing bracket, rear end cap are connected through a screw thread is individually fixed in the front end face of supporting block, on rear end face, this Sample can be convenient for mounting and dismounting drive end bearing bracket and rear end cap.

6, drive end bearing bracket and rear end cap are in a cross-shaped mode, and salient angle, supporting block are equipped on the front end face of supporting block, rear end face Salient angle on front end face is formed with the drive end bearing bracket of " ten " shape just to be coordinated, the salient angle on supporting block rear end face just with " ten " word The rear end cap of shape forms cooperation, in this way while meeting performance, be both convenient for drive end bearing bracket or rear end cap when mounted into Row positioning, saves the set-up time, and can save mold materials, reduces production cost.

7, drive end bearing bracket and rear end cap specification having the same are convenient for mass production in this way, reduce use cost.

8, articulation mechanism, mandril, boss are symmetrical about the middle part of seesaw, while meeting requirement, shape It is simple and regular, it is convenient for processing.

Description of the drawings

Fig. 1 is the dimensional structure diagram of the present embodiment mold liftout attachment；

Fig. 2 is the front view of Fig. 1；

Fig. 3 is the half-sectional front view of Fig. 1；

Fig. 4 is sectional views of the Fig. 2 along the directions A-A；

Fig. 5 is sectional views of the Fig. 2 along the directions B-B；

Fig. 6 is the parts position view before the molding of the present embodiment mold liftout attachment；

Fig. 7 is the parts position view after the molding of the present embodiment mold liftout attachment；

Reference sign：

1, swing mechanism, 101, seesaw, 102, shaft, 103, boss, 2, articulation mechanism, 201, axis pin, 202, rear end Lid, 203, drive end bearing bracket, 204, supporting block, 3, mandril, 4, mould bases mold insert, 5, spring.

Specific implementation mode

The embodiments of the present invention are described in detail below.

As shown in Figs. 1-3, which includes 1, two articulation mechanism 2 of swing mechanism and two mandrils 3, described Swing mechanism 1 includes seesaw 101 and shaft 102, and the shaft 102 is located at the middle part of the seesaw 101, the seesaw It is set on 101 top surface there are two boss 103, the articulation mechanism 2 is rotationally connected with the seesaw by the boss 103 Cambered surface contact is formed on 101, the boss 103 is arc boss, and the bottom surface of the articulation mechanism 2 is equipped with arc pit, The arc boss matches with the arc pit and forms the cambered surface and contact, and the mandril 3 is slidably connected to the pass It saves on the top surface of mechanism 2 and forms plane contact；The articulation mechanism 2, mandril 3, boss 103 are about the seesaw 101 Middle part is symmetrical.

Shown in as shown in Figure 1, Figure 3 and Figure 4, the articulation mechanism 2 includes supporting block 204, drive end bearing bracket 203 and rear end cap 202, institute The bottom surface for stating supporting block 204 is equipped with the arc pit, and the drive end bearing bracket 203, rear end cap 202 are individually fixed in the support On the front end face of block 204, rear end face, the drive end bearing bracket 203 and 202 specification having the same of the rear end cap；The arc is convex Platform is equipped with axis pin 201, and pin hole is equipped on the drive end bearing bracket 203, rear end cap 202, and the axis pin 201 matches with the pin hole It closes and forms revolute pair.

As shown in figures 1 and 3, the bottom surface of the mandril 3 and the top surface of the supporting block 204 are plane, the mandril 3 It in the hole (not shown) of mould bases, and is placed on the top surface of the supporting block 204, two flat faces are touched and formed The plane contact.

As shown in figure 4, the mode that the drive end bearing bracket 203, rear end cap 202 are connected through a screw thread is individually fixed in the support On the front end face of block 204, rear end face, in the present embodiment, mounting hole, supporting block are equipped on drive end bearing bracket 203 and rear end cap 202 It is equipped with threaded hole corresponding with mounting hole on 204 front end face and rear end face, when installation, only needs often mounting hole and screw thread Screw is screwed in hole to be easily fixed on drive end bearing bracket 203 and rear end cap 202 in supporting block 204, if need to be to drive end bearing bracket 203 Or rear end cap 202 is repaired or replaced, only need to back out screw can be completed dismounting.

As shown in Fig. 2, Fig. 4 and Fig. 5, the drive end bearing bracket 203 and rear end cap 202 are in a cross-shaped mode, the supporting block 204 Front end face, be equipped with salient angle on rear end face, the drive end bearing bracket with " ten " shape just of the salient angle on 204 front end face of supporting block 203 form cooperation, and the salient angle on 204 rear end face of supporting block is formed with the rear end cap 202 of " ten " shape just to be coordinated.

As shown in fig. 6-7, before molding, under the action of spring 5, the mandril 3 on the left side is in higher position, works as molding After beginning, the mandril 3 on the left side moves downward under the action of mould bases mold insert 4, while the mandril 3 on the right being made to move upwards, two tops The move distance of bar 3 is determined by the length of mould bases mold insert 4；When die sinking, under the action of spring 5, the mandril 3 on the right is forced to It moving downward, the core or mold insert being connected with the mandril 3 on the right are detached with product, while the mandril 3 on the left side moves upwards, to So that being detached with core or mold insert before product ejection, keep the demoulding of product more smooth.

The present embodiment has the following advantages：

1, arc boss is arranged on the top surface of seesaw 101 in the mold liftout attachment, the supporting block in articulation mechanism 2 Arc pit is set on 204 bottom surfaces, and arc boss matches with arc pit and forms cambered surface and contact, the bottom surface contact of mandril 3 In forming plane contact on 204 top surface of supporting block, when seesaw 101 is swung around shaft 102, articulation mechanism 2 can pass through Axis pin 201 on arc boss and with the swing of seesaw 101 and along the cambered surface between arc boss and arc pit into Row rotation, meanwhile, mandril 3 is slided with the rotation of articulation mechanism 2 on the top surface of supporting block 204；The mould ejection Device is changed into face by adding articulation mechanism 2 between mandril 3 and swing mechanism 1, by the kind of drive that passing line contacts and connects The tactile kind of drive reduces the abrasion of parts during the motion, improves the service life of parts and the position essence of workpiece Degree.

2, the mode that drive end bearing bracket 203, rear end cap 202 are connected through a screw thread be individually fixed in supporting block 204 front end face, after On end face, it can be convenient for mounting and dismounting drive end bearing bracket 203 and rear end cap 202 in this way.

3, drive end bearing bracket 203 and rear end cap 202 are in a cross-shaped mode, are equipped on the front end face of supporting block 204, rear end face convex Angle, the salient angle on 204 front end face of supporting block is formed with the drive end bearing bracket 203 of " ten " shape just to be coordinated, on 204 rear end face of supporting block Salient angle just with the rear end cap 202 of " ten " shape formed coordinate, in this way while meeting performance, both be convenient for front end Lid 203 or rear end cap 202 are positioned when mounted, save the set-up time, and can save mold materials, reduce production cost.

4, drive end bearing bracket 203 is of the same size with rear end cap 202, is convenient for mass production in this way, reduces use cost.

5, articulation mechanism 2, mandril 3, boss 103 are symmetrical about the middle part of seesaw 101, meet the same of requirement When, simple shape and it is regular, be convenient for processing.

The above are only specific embodiments of the present invention, does not limit the scope of protection of the utility model with this；Not Any replacement and improvement made by violating on the basis of the utility model is conceived, belong to the scope of protection of the utility model.

Claims

1. mold liftout attachment, which is characterized in that including swing mechanism, two articulation mechanisms and two mandrils, the oscillating machine Structure includes seesaw and shaft, and the shaft is located at the middle part of the seesaw, is set on the top surface of the seesaw there are two convex Platform, the articulation mechanism form cambered surface contact, mandril sliding by the way that the boss is rotationally connected on the seesaw It is connected on the top surface of the articulation mechanism and forms plane contact.

2. mold liftout attachment as described in claim 1, which is characterized in that the boss is arc boss, the articulation mechanism Bottom surface be equipped with arc pit, the arc boss matches with the arc pit and forms the cambered surface and contact.

3. mold liftout attachment as claimed in claim 2, which is characterized in that the articulation mechanism include supporting block, drive end bearing bracket and The bottom surface of rear end cap, the supporting block is equipped with the arc pit, and the drive end bearing bracket, rear end cap are individually fixed in the support On the front end face of block, rear end face；The arc boss is equipped with axis pin, and pin hole is equipped on the drive end bearing bracket, rear end cap, described Axis pin matches with the pin hole and forms revolute pair.

4. mold liftout attachment as claimed in claim 3, which is characterized in that the top surface of the bottom surface of the mandril and the supporting block It is plane, two flat faces touch and form the plane contact.

5. mold liftout attachment as described in claim 3 or 4, which is characterized in that the drive end bearing bracket, rear end cap are connected through a screw thread Mode be individually fixed in the front end face of the supporting block, on rear end face.

6. mold liftout attachment as described in claim 3 or 4, which is characterized in that the drive end bearing bracket and rear end cap are in " ten " word Shape is equipped with salient angle on the front end face of the supporting block, rear end face, the salient angle on supporting block front end face just with " ten " word The drive end bearing bracket of shape forms cooperation, and the salient angle on supporting block rear end face is formed with the rear end cap of " ten " shape just to be coordinated.

7. mold liftout attachment as described in claim 3 or 4, which is characterized in that the drive end bearing bracket has phase with the rear end cap Same specification.

8. the mold liftout attachment as described in any one of Claims 1-4, which is characterized in that the articulation mechanism, mandril, boss Middle part about the seesaw is symmetrical.