CN201587101U

CN201587101U - lock hook type mould-unloading device

Info

Publication number: CN201587101U
Application number: CN201020033383XU
Authority: CN
Inventors: 郑春竹
Original assignee: Yanfeng Visteon Automotive Tooling Co Ltd
Current assignee: Yanfeng Automotive Trim Systems Co Ltd; Yanfeng Automotive Trim Mould Technology Co Ltd
Priority date: 2010-01-22
Filing date: 2010-01-22
Publication date: 2010-09-22
Anticipated expiration: 2020-01-22

Abstract

The utility model discloses a lock hook type mould-unloading device, which is mounted on an ejection mechanism comprising a seat board, a push board with a first push rod and a movable plate with a second push rod, the mould-unloading device comprises a lock block mounted at the side surface of a top board, and a lock hook pivotably mounted at the side surface of the push board and engaged with the lock block. The upper end of a stroke limiting rod is provided with a limiting adjusting block capable of being contacted with the tail end of the lock hook to rotate the lock hook so as to be disengaged from the lock block. According to the utility model, the lock hook type mould-unloading device has little volume so as to save the installation space, the connection is performed by the rigid lock hook, thus the structure reliability is high, and the function of two-level push out by a set of oil cylinder can be achieved with low cost and high efficiency.

Description

Latch hook formula die-sinking device

Technical field

The utility model relates to the injection mold die opening mechanism, particularly relates to a kind of latch hook formula die-sinking device of realizing that the large injection mold two-stage ejects.

Background technology

Usually, large injection mold realizes that two-stage ejects two kinds of schemes: (1) controls the motion of top board and push pedal respectively by using two groups of hydraulic systems; (2) use one group of hydraulic cylinder generally only to realize once ejecting action, realize if desired ejecting action twice, need to increase mode locker, nylon mode locker for example, bolt-type mode locker.

If use first kind of scheme can cause the cost of mould to raise, and the traditional mode locker reliability in second kind of scheme is not strong, is not easy control.Nylon mode locker for example, parts are thrown off the nylon mode locker when frictional resistance that ejecting force produces greater than nylon.When nylon mode locker quantity more for a long time resistance can't deviate from too greatly, the frictional force that the nylon mode locker produces more after a little while is too for a short time not to reach the requirement that secondary ejects.And that the bolt-type mode locker uses small-sized latch to control the safe inadequately durability degree of its structure of order of the demoulding is not long not high service life, has increased the cost and the operation of maintenance.

The utility model content

The purpose of this utility model provides a kind of latch hook formula die-sinking device, solve one group of hydraulic cylinder of employing and realize the technical problem that the two-stage of mould ejects, and die-sinking device volume trifle is economized installing space, dependence rigidity latch hook syndeton good reliability.

The utility model is achieved through the following technical solutions:

A kind of latch hook formula die-sinking device, be installed on the ejecting mechanism of mould, this ejecting mechanism comprises seat board, push pedal and moving plate, and described die-sinking device comprises the lock dog that is installed on the top board side, and the pivotable latch hook that is installed on the side of described push pedal, this latch hook is meshed with lock dog.

Described die-sinking device also comprises a stroke limit bar, thereby its upper end is equipped with a spacing adjustment piece that can contact with the latch hook tail end latch hook rotation and lock dog are thrown off.

The lower end of described spacing adjustment piece has a fillet.The latch hook tail end has an inclined-plane.The angle of described inclined-plane and ejecting mechanism direction of action is 30 degree.

Described die-sinking device comprises that is also adjusted a fixed block, is installed in the side of push pedal, adjusts between fixed block and the latch hook and is provided with a back-moving spring.On the described adjustment fixed block adjustment screw is installed also.

Latch hook formula die-sinking device of the present utility model, the volume trifle is economized installing space, relies on the rigidity latch hook to connect structural reliability height, the function that the realization one group oil cylinder two-stage of low-cost high-efficiency ejects.

Description of drawings

Fig. 1 is a latch hook formula die-sinking device schematic diagram of the present utility model;

Fig. 2 is the structural representation of latch hook formula die-sinking device of the present utility model;

Fig. 3 is the schematic diagram of the latch hook part of latch hook formula die-sinking device of the present utility model;

Fig. 4 is the schematic diagram of the spacing adjustment piece part of latch hook formula die-sinking device of the present utility model;

Fig. 5 is that latch hook formula die-sinking device of the present utility model is adjusted fixed block part schematic diagram;

Fig. 6 is a latch hook formula die-sinking device latch hook formula die sinking device motion schematic diagram of the present utility model.

Wherein, 11-lock dog, 22-latch hook, 3-stroke limit bar, the spacing adjustment piece of 4-, 5-ship and resell on another market, 6-back-moving spring, 7-adjust fixed block, 8-adjustment screw, 9-nut, 10-top board, 11-push pedal, 12-Bottom clamp plate, 13-first push rod, 14-second push rod.

The specific embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.

For convenience of description, in embodiment of the present utility model, product eject direction be defined as illustrated upward to, for in different embodiments, the direction that ejects of product changes with the installation direction of injection mold, for example, the direction dextrorotation of injection mold is turn 90 degrees, the direction that ejects of product promptly becomes vertically to the right.

As depicted in figs. 1 and 2, a kind of latch hook formula die-sinking device 2 is installed on the ejecting mechanism 1 of mould, and this ejecting mechanism 1 comprises seat board 12, have the push pedal 11 of first push rod and have the top board 10 of second push rod.The driving that ejects of mould is arranged on the top board 10, the driving that ejects is provided for mould.First push rod 14 is installed in the push pedal 11, and second push rod 13 is installed on the top board 10.

Described die-sinking device 2 is installed on the ejecting mechanism 1, comprises lock dog 21, latch hook 22.Lock dog 21 is fixed on the side of top board 10, ships and resell on another market 5 to pass latch hook 22 latch hook 22 is fixed on the side of push pedal 11, and latch hook 22 pin 5 that can rotate pivots.As shown in Figure 2, the front end unci of latch hook 22 contacts with lock dog 1 and hangs on the latch hook 21.

As shown in Figure 3, the tail end of latch hook 22 has an inclined-plane, and the angle angle of described inclined-plane and ejecting mechanism direction of action is A, and is preferred, and A is 30 degree.Ejecting mechanism also comprises a stroke limit bar 3, and stroke limit bar 3 is fixed on the side of Bottom clamp plate 12, stroke limit bar upper end be equipped with one can with the contacted spacing adjustment piece 4 of latch hook tail end.As shown in Figure 4, the lower end of spacing adjustment piece 4 has a fillet.This fillet contacts with the inclined-plane of latch hook 22, and fillet is pressed in and forces the latch hook rotation on the inclined-plane of latch hook 2 thus, and fillet can guarantee the contacting of inclined-plane fairing of spacing adjustment piece 4 and latch hook 22, and preventing to wear and tear breaks.

Top board 10 moves upward when ejecting mechanism moves upward, because the latch hook 2 pulling lock dogs 1 that exist of latch hook die sinking device make top board 10 drive push pedals 11 together move upward, therefore first push rod 13 and second push rod 14 together move upward and eject product, behind certain stroke that moved, the afterbody inclined-plane of latch hook 2 contacts spacing adjustment piece 4, forcing latch hook 2 is that the center turns clockwise to ship and resell on another market, and the hook that constantly rotates up increasing final latch hook 2 front ends of angle along with ejecting mechanism breaks away from lock dog 1.This moment, top board 10 continued to move upward

And push pedal 11 stop motions, therefore second push rod 14 stops action, and first push rod 13 continues to move upward and ejects product.Reach the purpose that secondary ejects with this.

Described die-sinking device 2 comprises that is also adjusted a fixed block 7, is installed in the side of push pedal 11, and as shown in Figure 5, the one side perforate of adjusting fixed block 7 is used to place back-moving spring 6.Install on the another side and reconcile screw 8 and nut 9.Latch hook 2 sides have perforate to be used to place back-moving spring 6.The effect of back-moving spring 6 is to give 2 one power of latch hook to make it have to ship and resell on another market 5 be the trend that the center is rotated counterclockwise, and latch hook 2 can be hooked on the lock dog 1 firmly like this.Back-moving spring 6 is compression springs, be installed in two round pools adjusting fixed block 7 and latch hook 2, want mild compression spring 6 during installation, latch hook contacts that the elastic force of spring forces latch hook to hang over firmly on the lock dog 1 before the spacing adjustment piece, latch hook contacts to turn clockwise after the spacing adjustment piece and forces spring to compress once more, use adjustment screw 8 can prop up latch hook 2 simultaneously and make latch hook 2 keep in vertical direction vertically, guarantee that contacting of latch hook 2 and lock dog 1 is that face contact makes mechanism's safety and reliability.If the contact area of that latch hook 2 of latch hook 2 out of plumb and lock dog 1 will reduce, the intensity of locking is just not enough, and total is just reliably damaged latch hook 2 inadequately again easily.After the perpendicularity that regulates latch hook 2, utilize nut 9 adjustment screw 8 can be tightened and prevent the adjustment screw 8 loosening perpendicularity that influence latch hook 2.

For the degree of reliability that guarantees entire mechanism and advise that latch hook 2 adopts materials to be service life: SUJ2, hardness is 50～54HRC.Lock dog 1 adopts material to be: T10, hardness is 48～52HRC.

Above-described, be preferred embodiment of the present utility model only, be not in order to limiting scope of the present utility model, the foregoing description of the present utility model can also be made various variations.Be that every simple, equivalence of doing according to the claims and the description of the utility model application changes and modification, all fall into the claim protection domain of the utility model patent.

Claims

1. latch hook formula die-sinking device, be installed on the ejecting mechanism of mould, this ejecting mechanism comprises, push pedal and top board, and described die-sinking device comprises the lock dog that is installed on the top board side, and the pivotable latch hook that is installed on the side of described push pedal, this latch hook is meshed with lock dog.

2. latch hook formula die-sinking device according to claim 1 is characterized in that described die-sinking device also comprises a stroke limit bar, thereby its upper end is equipped with a spacing adjustment piece that can contact with the latch hook tail end latch hook rotation and lock dog are thrown off.

3. latch hook formula die-sinking device according to claim 2 is characterized in that the lower end of described spacing adjustment piece has a fillet, and described latch hook tail end has an inclined-plane.

4. latch hook formula die-sinking device according to claim 3 is characterized in that, the angle of described inclined-plane and ejecting mechanism direction of action is 30 degree.

5. according to each described latch hook formula die-sinking device of claim 1 to 4, it is characterized in that described die-sinking device comprises that is also adjusted a fixed block, is installed in the side of push pedal, adjusts between fixed block and the latch hook and is provided with a back-moving spring.

6. latch hook formula die-sinking device according to claim 5 is characterized in that, on the described adjustment fixed block adjustment screw is installed also.