CN208714410U - Mechanical type secondary ejection device - Google Patents

Abstract

The utility model mechanical type secondary ejection device, including rear cavity, the first thimble board group and the second thimble board group are slidably connected in rear cavity, footstock is provided in first thimble board group, oblique top is provided on footstock, oblique top is slidably connected relative to the second thimble board group, and thimble is provided in the second thimble board group, is equipped with the control device for driving the second thimble board group to slide relative to the first thimble board group in rear cavity；Injection molding machine mandril is under the action of oil pressure, the first thimble board group and the second thimble board group are driven due to the reason of control device while being moved, when reaching the position of the first limited post, first thimble board group due to the first limited post limit and stop motion, to which oblique top will be disengaged from product since the position of the first thimble board group is fixed, with oil pressure continue drive the second thimble board group continue to move to, the second thimble board group due to the second limited post limit and position is fixed.

Description

Mechanical type secondary ejection device

Technical field

The utility model relates to injection molding machine fields, and in particular to mechanical type secondary ejection device.

Background technique

With the development of Injection Industry, more and more plastic parts products are had, because of the needs of product structure, using normal The pushing method of rule, conventional pushing method include thimble and oblique top, and in the practical ejection process of product, thimble and oblique top are pushed up simultaneously Out, product should not be fallen off due to common support of thimble and oblique top from thimble and oblique top, needed artificial pickup, therefore produced effect Rate is low.

Utility model content

In order to overcome the deficiencies of the prior art, the utility model proposes mechanical type secondary ejection devices, by thimble and tiltedly Top contradicts product respectively, improves the disengaging rate that product is detached from from thimble or oblique top, avoids artificial pickup, improves production effect Rate.

To achieve the above object, the utility model mechanical type secondary ejection device, including rear cavity, the company of sliding in rear cavity It is connected to the first thimble board group and the second thimble board group, footstock is provided in the first thimble board group, oblique top, oblique top are provided on footstock It is slidably connected relative to the second thimble board group, thimble is provided in the second thimble board group, is equipped in rear cavity and drives the second thimble The control device that board group is slided relative to the first thimble board group.

Further, control device includes the first limited post being arranged in the first thimble board group, is arranged in the second thimble The second limited post in board group is equipped with drag hook extensible member between the first thimble board group and the second thimble board group.

Further, drag hook extensible member includes telescopic, is equipped with bolt, bolt and the first thimble board group screw thread in telescopic Connection, telescopic are slidably connected with bolt, and chock is filled in telescopic.

Further, the outside of footstock and the second limited post is arranged with buffer spring.

Further, the upper end of thimble is provided with jacking block.

Further, it is provided with swell fixture on footstock, is connect respectively with the first thimble board group and footstock.

The mechanical type secondary ejection device of the utility model, injection molding machine mandril drive the first thimble under the action of oil pressure Board group and the second thimble board group are since the reason of control device moves simultaneously, when reaching the position of the first limited post, the first thimble Board group due to the first limited post limit and stop motion, so that oblique top will take off since the position of the first thimble board group is fixed From product, as oil pressure continues that the second thimble board group is driven to continue to move to, limit of the second thimble board group due to the second limited post And position is fixed.

Detailed description of the invention

With reference to the accompanying drawing the utility model is made further to describe and illustrate.

Fig. 1 is the structural schematic diagram of the present embodiment entirety；

Fig. 2 is the enlarged drawing in Fig. 1 at A；

Fig. 3 is the structural schematic diagram in order to highlight swell fixture；

Fig. 4 is the structural schematic diagram in order to highlight buffer spring.

Appended drawing reference: 1, rear cavity；2, the first thimble board group；3, the second thimble board group；4, footstock；5, oblique top；6, thimble； 7, control device；71, the first limited post；72, the second limited post；73, drag hook extensible member；731, telescopic；732, bolt；733, Chock；8, buffer spring；9, jacking block；10, swell fixture.

Specific embodiment

Below in conjunction with attached drawing, by the description to preferred embodiments of the present invention, more clearly and completely explain State the technical solution of the utility model.

Embodiment: Fig. 1 and Fig. 2, mechanical type secondary ejection device, including rear cavity 1 are referred to, is slidably connected in rear cavity 1 There are the first thimble board group 2 and the second thimble board group 3, the second thimble board group 3 is in the upside of the first thimble board group 2, the first thimble It is provided with footstock 4 in board group 2, oblique top 5 is provided on footstock 4, oblique top 5 and oblique top 54 both pass through the second thimble board group 3, and Oblique top 5 is slidably connected relative to the second thimble board group 3, is provided with thimble 6 in the second thimble board group 3, in order to be able to achieve the first top Needle plate group 2 is slided relative to the first thimble board group 2, therefore control device is equipped between the first thimble board group 2 and the second thimble board group 3 7.By the opposite sliding between the first thimble board group 2 and the second thimble board group 3, thimble 6 carries out Double-ejection to product, thus Product easily falls off from thimble 6, improves the production efficiency of user.Swell fixture 10, swell fixture 10 and the are equipped in footstock 4 One thimble board group 2 is threadedly coupled, and the fixation of footstock 4 and the first board group is realized by swell fixture 10.

With reference to Fig. 1 and Fig. 2, the opposite sliding why being able to achieve between the first thimble board group 2 and the second thimble board group 3, It is because control device 7 includes the first limited post 71 being arranged in the first thimble board group 2, and is arranged in the second thimble board group The second limited post 72 on 3, the first limited post 71 and the second limited post 72 contradict upper wall and difference in the inside of rear cavity 1 respectively Position limit to the first thimble board group 2 and the second thimble board group 3.It is equipped between first thimble board group 2 and the second thimble board group 3 Drag hook extensible member 73, the effect of drag hook extensible member 73 are to make the opposite position between the first thimble board group 2 and the second thimble board group 3 The displacement of shifting is limited, and in addition also avoids completely disengaging between the first thimble board group 2.Aforementioned drag hook extensible member 73 include to The lower telescopic 731 being arranged in the second thimble board group 3, the inside of telescopic 731 are cavity, the internal cavities of telescopic 731 In be equipped with bolt 732, the screw portion of bolt 732 is threadedly coupled with the first thimble board group 2, and is filled in telescopic 731 There is chock 733, screw portion and the chock 733 of bolt 732 are slidably connected, and the effect of chock 733 is for avoiding the spiral shell of bolt 732 Cap portion is detached from from the cavity of telescopic 731.

With reference to Fig. 1 and Fig. 2, practical oblique top 5 and thimble 6 pass through oil when being detached to the product in rear cavity 1 first Pressure zone moves the first thimble board group 2 and the second thimble board group 3 moves up simultaneously, and thimble 6 and oblique top 5 are with the first thimble board group 2 Move and move up with the second thimble board group 3, then, the upper wall of the first limited post 71 and the inside of rear cavity 1 contradict and Position limit to the first thimble board group 2, meanwhile, the second thimble board group 3 is continued to move up with oil pressure, and telescopic 731 In chock 733 slided relative to the screw portion of bolt 732, and the sliding of the second thimble board group 3 will drive mandril to carry out Product from roof fall in oblique top 5, is improved the production efficiency of product by upward sliding, mandril, passes through the second limited post 72 and the second top The position of needle plate group 3 is limited, and avoids oil pressure that the second thimble board group 3 is driven to continue upward.

With reference to Fig. 1 and Fig. 4, by oil pressure in the inner wall that the first limited post 71 and the second limited post 72 are contradicted to rear cavity 1, Just realize that the first thimble board group 2 and the position of the second thimble board group 3 are fixed respectively, thus in order to reduce the first limited post 71 or The case where conflict power of second limited post 72 and 1 inner wall of rear cavity, the first limited post 71 of reduction and the second limited post 72 damage, therefore It is arranged with buffer spring 8 in the outside of footstock 4 and the second limited post 72, after the first limited post 71 and the second limited post 72 contradict Before the upper inside wall of mode 1, by the elastic force of buffer spring 8 to the conflict power of the first limited post 71 or the second limited post 72 Buffering.

With reference to Fig. 1, in addition, reducing thimble 6 to the pressure mistake of product to increase the contact area between mandril and product It causes product surface scar occur greatly, therefore is connected with jacking block 9 on the upside of mandril.

Above-mentioned specific embodiment is only described preferred embodiments of the present invention, and not practical to this Novel protection scope is defined.Under the premise of not departing from the utility model design conception and scope, this field Those of ordinary skill is according to verbal description provided by the utility model, attached drawing to made by the technical solution of the utility model Various modifications, substitution and improvement should belong to the protection category of the utility model.The protection scope of the utility model is wanted by right Ask determining.

Claims (6)

1. mechanical type secondary ejection device, including rear cavity (1), it is characterised in that: slidably connect in the rear cavity (1) One thimble board group (2) and the second thimble board group (3) are provided with footstock (4) on the first thimble board group (2), the footstock (4) On be provided with oblique top (5), the oblique top (5) is slidably connected relative to the second thimble board group (3), the second thimble board group (3) On be provided with thimble (6), be equipped in the rear cavity (1) and drive the second thimble board group (3) sliding relative to the first thimble board group (2) Dynamic control device (7).

2. mechanical type secondary ejection device according to claim 1, it is characterised in that: the control device (7) includes setting It sets in the second limited post of the first limited post (71), setting in the second thimble board group (3) in the first thimble board group (2) (72), drag hook extensible member (73) are equipped between the first thimble board group (2) and the second thimble board group (3).

3. mechanical type secondary ejection device according to claim 2, it is characterised in that: the drag hook extensible member (73) includes Telescopic (731) is equipped with bolt (732) in the telescopic (731), the bolt (732) and first thimble board group (2) screw thread Connection, the telescopic (731) are slidably connected with bolt (732), are filled with chock (733) in the telescopic (731).

4. mechanical type secondary ejection device according to claim 2, it is characterised in that: the footstock (4) and the second limit The outside of column (72) is arranged with buffer spring (8).

5. mechanical type secondary ejection device according to claim 2, it is characterised in that: the upper end of the thimble (6) is arranged There are jacking block (9).

6. mechanical type secondary ejection device according to claim 4, it is characterised in that: be provided on the footstock (4) swollen Swollen screw (10) is described to connect respectively with the first thimble board group (2) and footstock (4).