CN210257094U

CN210257094U - Mechanical ejection mechanism for runner on sliding block

Info

Publication number: CN210257094U
Application number: CN201921216134.1U
Authority: CN
Inventors: 徐建喜; 文开群; 周家剑
Original assignee: Immetech Industrial Co ltd
Current assignee: Immetech Industrial Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-04-07
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a mechanical ejection mechanism of runner on slider, it includes thimble bottom plate, thimble panel, reset spring, thimble, back mould benevolence, slider and mouth of a river, thimble panel sets up in thimble bottom plate's upper end, back mould benevolence sets up in thimble panel's top, the thimble sets up between back mould benevolence and thimble panel, the left side of slider and the mutual joint in right side of back mould benevolence, the mouth of a river card is located the slider inside and is linked together with the die cavity of back mould benevolence upper end, the inside injection molding of mouth of a river through the slip of slider and the inside injection molding disconnection of die cavity, just it is provided with the clearance groove to be located the mouth of a river lower extreme on the slider, the one end of the adjacent slider of back mould benevolence is provided with the mold insert, inside the clearance inslot was located to the mold insert card. The utility model discloses can realize that the product tears with the mouth of a river is automatic, and the product of moulding plastics out enters the mouth of a river department and tears beautifully, extensively is applicable to the mould of different grade type.

Description

Mechanical ejection mechanism for runner on sliding block

Technical Field

The utility model relates to the field of molds, in particular to runner machinery ejection mechanism on slider.

Background

With the continuous development of society and scientific level, injection molding is widely used as a common product processing technology, and the injection molding process is indispensable to an important tool, namely a mold.

In the prior art, along with the increasing requirements of customers on the quality of molds and products, the traditional mold processing technology often encounters a plurality of structural problems in the processing process, particularly under the condition that the quality of products required by customers is higher and higher, a good injection molding product has beautiful glue feeding point and neat and traceless water gap cutting, which is a problem that needs to be solved by people in the field,

meanwhile, the present mouth of a river cuts off also more and more high to the demand that the automation cut off, when meetting the product and need advance to glue on the slider, adopt current traditional mould structure, often can meet the ejecting difficult problem in mouth of a river, still need the population to prune the mouth of a river after the product has been moulded plastics simultaneously, the population is pruned the mouth of a river and is not only left obvious pruning print after pruning, the mouth of a river is pruned to the population moreover wastes time and energy, product quality also can not obtain the guarantee, these problems are not allowed under the condition of the higher and higher demand of product quality.

Therefore, the utility model provides a can improve product quality, reduce man-hour and the risk of artifical cutting the mouth of a river, runner machinery ejection mechanism on the slider of saving cost solves above problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the defect that exists among the above-mentioned prior art, provide a runner machinery ejection mechanism on slider, can realize that product and mouth of a river are automatic to be torn apart, the product that comes out of moulding plastics advances the mouth of a river department and tears apart beautifully, the inside injection molding in mouth of a river is ejecting high-efficient, presss from both sides and gets the convenience, extensively is applicable to the mould of different grade type, the mechanism retrencies reliably, has practiced thrift time and the risk in the manual work mouth of a river of cutting, practices thrift the cost to solve the problem that proposes among the above-mentioned background.

In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows:

a mechanical ejection mechanism for an upper runner of a sliding block comprises an ejector pin bottom plate, an ejector pin panel, a return spring, an ejector pin, a rear mold core, the sliding block and a water gap, the ejector pin panel is arranged at the upper end of the ejector pin bottom plate, the rear mold core is arranged above the ejector pin panel, the thimble is arranged between the rear mould core and the thimble panel, the left side of the slide block is mutually clamped with the right side of the rear mould core, the water gap is clamped in the slide block and communicated with the cavity at the upper end of the rear mold core, the injection molding part in the water gap is disconnected with the injection molding part in the cavity by the slide of the slide block, an empty avoiding groove is arranged on the sliding block and at the lower end of the water gap, an insert is arranged at one end of the rear mold core adjacent to the sliding block, the mold insert is clamped inside the clearance groove, the width of the mold insert is smaller than that of the clearance groove, and the clearance groove is used for avoiding collision with the mold insert of the rear mold core when the sliding block slides.

As a further elaboration of the above technical solution:

in the technical scheme, the insert is provided with an ejector pin hole in a penetrating mode, the ejector pin hole is communicated with an inner pipeline of the water gap, the upper end of the ejector pin is arranged inside the ejector pin hole, and an injection molding part inside the water gap is ejected out of the inner pipeline of the water gap through the ejector pin.

In the above technical scheme, the lower end card of thimble locates the inside of thimble panel and thimble bottom is connected with thimble bottom plate top, thimble panel and thimble bottom plate do the top motion for the thimble and provide power.

In the above technical scheme, a first screw fixing hole is formed in the ejector pin panel, a second screw fixing hole matched with the first screw fixing hole is formed in the ejector pin base plate, the first screw fixing hole and the second screw fixing hole are coaxially arranged, and the first screw fixing hole and the second screw fixing hole are fastened together through a fixing screw.

In the above technical scheme, reset spring's bottom is connected with thimble panel's upper end, reset spring's upper end is connected with outside spacing subassembly, reset spring is used for the reset after the thimble pushes up.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model has novel structure and reasonable design, and the slide block does not interfere with the convex insert of the back mould core when moving by adopting the structural design of the insert and the clearance groove, thereby avoiding the conflict caused by the slide block and the thimble; through the adoption of the structural design that the rear mold core is matched with the sliding block, the sliding block retreats during mold opening so as to break a water gap, the top plate panel and the thimble bottom plate provide power to drive the thimble to eject an injection molding piece inside the water gap, the injection molding piece is taken away through the external clamping component, the thimble panel and the thimble top plate are reset through the reset spring, and finally, mold closing is carried out so as to circulate; relatively traditional ejection mechanism, the utility model discloses the product quality outward appearance of making has obvious promotion, can realize the purpose at the full automatization cut-off mouth of a river simultaneously, especially to the mould of many runners, and the advantage is more obvious, has improved product quality, has avoided because of the manual a large amount of defective products that prune the mouth of a river and produce, meanwhile, the utility model discloses extensively be applicable to the mould of different grade type, the mechanism is retrencied reliably, has practiced thrift the time and the risk of manual work cutting the mouth of a river, practices thrift the cost, and the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be described in further detail with reference to fig. 1.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; 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 application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1, a mechanical ejection mechanism for a runner on a slide block comprises an ejector pin base plate 1, an ejector pin panel 2, a return spring 3, an ejector pin 4, a rear mold core 5, a slide block 6 and a water gap 7, wherein the ejector pin panel 2 is arranged at the upper end of the ejector pin base plate 1, the rear mold core 5 is arranged above the ejector pin panel 2, the ejector pin 4 is arranged between the rear mold core 5 and the ejector pin panel 2, the left side of the ejector pin 7 is clamped with the right side of the rear mold core 5, the water gap 7 is clamped inside the slide block 6 and communicated with a mold cavity at the upper end of the rear mold core 5, an injection molding part inside the water gap 7 is disconnected from an injection molding part inside the mold cavity through the sliding of the slide block 6, a clearance groove 61 is arranged at the lower end of the slide block 6 and located at the lower end of the water gap 7, an insert 51 is arranged at one end of the slide block 6 adjacent to, the clearance groove 61 is used for avoiding the sliding of the sliding block 6 from colliding with the insert 51 of the rear mold core 5.

As a further improvement, the mold insert 51 is provided with a thimble hole, the thimble hole is linked together with the inner pipe of the mouth of a river 7, 4 upper ends of thimbles set up in the inside of thimble hole, the inside injection molding of the mouth of a river 7 is ejecting from the inner pipe of the mouth of a river 7 through thimble 4.

As a further improvement of the utility model, thimble panel 2's inside and 4 bottoms of thimble are connected with 1 top of thimble bottom plate are located to the lower extreme card of thimble 4, thimble panel 2 makes the apical motion for thimble 4 with thimble bottom plate 1 and provides power.

As a further improvement of the utility model, be provided with first screw fixed orifices 21 on the thimble panel 2, be provided with on the thimble bottom plate 1 with first screw fixed orifices 21 assorted second screw fixed orifices 11, first screw fixed orifices 21 and the coaxial setting of second screw fixed orifices 11, first screw fixed orifices 21 and second screw fixed orifices 11 are in the same place through the set screw fastening.

As a further improvement, the bottom of the reset spring 3 is connected with the upper end of the thimble panel 2, the upper end of the reset spring 3 is connected with the external spacing component, the reset spring 3 is used for resetting after the thimble pushes up.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. A mechanical ejection mechanism for an upper runner of a sliding block is characterized by comprising an ejector pin bottom plate, an ejector pin panel, a return spring, an ejector pin, a rear mold core, the sliding block and a water gap, the ejector pin panel is arranged at the upper end of the ejector pin bottom plate, the rear mold core is arranged above the ejector pin panel, the thimble is arranged between the rear mould core and the thimble panel, the left side of the slide block is mutually clamped with the right side of the rear mould core, the water gap is clamped in the slide block and communicated with the cavity at the upper end of the rear mold core, the injection molding part in the water gap is disconnected with the injection molding part in the cavity by the slide of the slide block, an empty avoiding groove is arranged on the sliding block and at the lower end of the water gap, an insert is arranged at one end of the rear mold core adjacent to the sliding block, the mold insert is clamped inside the clearance groove, the width of the mold insert is smaller than that of the clearance groove, and the clearance groove is used for avoiding collision with the mold insert of the rear mold core when the sliding block slides.

2. The mechanical ejection mechanism of claim 1, wherein the insert has an ejector pin hole formed therethrough, the ejector pin hole is communicated with an inner pipe of the nozzle, an upper end of the ejector pin is disposed inside the ejector pin hole, and the injection molded part inside the nozzle is ejected from the inner pipe of the nozzle through the ejector pin.

3. The mechanical ejector mechanism of claim 2, wherein the lower end of the ejector pin is clamped inside the ejector pin panel, the bottom of the ejector pin is connected with the top of the ejector pin bottom plate, and the ejector pin panel and the ejector pin bottom plate provide power for the ejector pin to move upwards.

4. The mechanical ejection mechanism of claim 3, wherein the thimble panel is provided with a first screw fixing hole, the thimble base plate is provided with a second screw fixing hole matching with the first screw fixing hole, the first screw fixing hole and the second screw fixing hole are coaxially arranged, and the first screw fixing hole and the second screw fixing hole are fastened together by a fixing screw.

5. The mechanical ejection mechanism of the runner on the slider as claimed in claim 4, wherein the bottom end of the return spring is connected to the upper end of the ejector pin panel, the upper end of the return spring is connected to the external limiting component, and the return spring is used for returning the ejector pin after the ejector pin is ejected.