CN212021459U - Three-station synchronous ejector pin mechanism and three-color injection molding machine - Google Patents

Abstract

The utility model relates to a synchronous thimble mechanism of three stations and three-colour injection molding machine, including the lower bolster, thimble unit and thimble are with frequency guiding unit, the thimble unit includes first thimble module, second thimble module and third thimble module, first thimble module, second thimble module and third thimble module are triangle-shaped and evenly arrange the bottom at the lower bolster, the thimble is with the bottom that the frequency guiding unit can be connected at the lower bolster from top to bottom movably, first thimble module, the one end of second thimble module and third thimble module outwards extends and fixes simultaneously on the thimble is with frequency guiding unit, receive the restriction of thimble with frequency guiding unit, first thimble module, second thimble module and third thimble module are synchronous ejecting or synchronous retreat. The utility model discloses a synchronous ejecting or top move back, can reach the effect of synchronous ejection of compact, improved industrial production's efficiency, reduced staff's work load, be favorable to the use and the development of mill, be worth using widely.

Description

Three-station synchronous ejector pin mechanism and three-color injection molding machine

Technical Field

The utility model belongs to the technical field of the injection molding machine, especially, relate to a synchronous thimble mechanism of three stations and three-colour injection molding machine.

Background

The mould, the industrial production uses injection moulding, blow moulding, extrusion, die-casting or forging forming, smelting, stamping, etc. to get the various moulds and tools of the required products, in short, the mould is the tool used for making the formed article, this kind of tool is formed by various parts, different moulds are formed by different parts, it mainly realizes the processing of the article appearance through the change of the physical state of the formed material, the blank becomes the tool with the particular shape and size under the action of external force, widely used in blanking, die forging, cold heading, extrusion, powder metallurgy pressing, pressure casting, and the forming processing of the compression moulding or injection moulding of engineering plastics, rubber, ceramics, etc., the mould has the particular outline or cavity shape, the blank can be separated (blanked) according to the contour line shape by using the outline shape with cutting edge, the blank can obtain the corresponding three-dimensional shape by using the cavity shape, the die generally comprises a movable die and a fixed die (or a male die and a female die), the movable die and the fixed die can be separated and combined, a workpiece is taken out when the movable die and the fixed die are separated, a blank is injected into a die cavity for forming when the fixed die is combined, the die is a precise tool, the shape is complex, the expansion force of the blank is borne, the requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision are high, and the development level of die production is one of important marks of the mechanical manufacturing level.

With continuous progress of industrial technology, a three-station die is available on the market, however, in the using process of an ejection mechanism matched with the three-station die, the effect of synchronous ejection cannot be achieved, so that the problem of inconsistent ejection is caused, the efficiency of industrial production is reduced, the workload of workers is increased, and the use and the development of a factory are not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a synchronous thimble mechanism of three stations and three-colour injection molding machine, aim at solving among the prior art and the ejection mechanism that three-station mould cooperation was used at the in-process that uses, can't reach synchronous ejecting effect to cause the inconsistent technical problem of ejection of compact.

In order to achieve the above object, an embodiment of the present invention provides a three-station synchronous thimble mechanism, including a lower template, a thimble unit and a thimble same-frequency guiding unit, where the thimble unit includes a first thimble module, a second thimble module and a third thimble module, the first thimble module, the second thimble module and the third thimble module are uniformly arranged in the bottom of the lower template in a triangular shape, the thimble same-frequency guiding unit can be movably connected to the bottom of the lower template up and down, and one end of the first thimble module, the second thimble module and the third thimble module extends outwards and is fixed on the thimble same-frequency guiding unit at the same time; and the first thimble module, the second thimble module and the third thimble module are synchronously ejected or synchronously ejected and retracted under the limitation of the thimble same-frequency guide unit.

Optionally, the thimble same-frequency guide unit includes a thimble guide post and a thimble same-frequency guide ring, the thimble guide post is fixedly mounted at the bottom of the lower template, the thimble same-frequency guide ring is slidably sleeved on the thimble guide post, and the thimble same-frequency guide ring is simultaneously and fixedly connected to the first thimble module, the second thimble module and the third thimble module.

Optionally, a guide sliding seat is formed on the thimble same-frequency guide ring in an outward protruding manner, a guide sliding hole matched with the thimble guide post penetrates through the thimble same-frequency guide ring and the guide sliding seat, and the thimble guide post penetrates through the thimble same-frequency guide ring and the guide sliding hole in the guide sliding seat.

Optionally, the first thimble module, the second thimble module and the third thimble module have the same structure and each include a thimble cylinder, a thimble push plate and a thimble, the two thimble cylinders are respectively and correspondingly disposed on two sides of the thimble push plate, the thimble cylinders are fixedly mounted at the bottom of the lower template through a cylinder mounting member, an output shaft of the thimble cylinder passes through the cylinder mounting member and is fixedly connected with the thimble push plate, the thimble push plate is simultaneously and fixedly connected to the same-frequency guide unit of the thimble, the bottom end of the thimble is fixed to the thimble push plate, and the top end of the thimble is inserted into the lower template.

Optionally, one end of the thimble push plate extends outwards to form a same-frequency fixed supporting leg, and the same-frequency fixed supporting leg is fixed on the thimble same-frequency guide unit through a plurality of fastening screws.

Optionally, the middle part of the thimble push plate is provided with a thimble mounting area, and a plurality of thimbles are uniformly fixed on the thimble mounting area.

Optionally, the cylinder body installed part includes cylinder body mounting panel and installing support, the top fixed connection of installing support the lower bolster, the bottom fixed connection of installing support the cylinder body mounting panel, the thimble jar is installed on the cylinder body mounting panel, and the output shaft of thimble jar wears to locate the cylinder body mounting panel.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the synchronous thimble mechanism of three stations have one of following technological effect at least: compared with the prior art, the utility model discloses in the synchronous thimble mechanism of three stations, first thimble module, second thimble module, third thimble module and thimble are with the same frequency guide unit and are installed in the bottom of lower bolster and mutually support the use, and when first thimble module, second thimble module and third thimble module are ejecting or push back at the lower bolster, owing to receive the restriction that the thimble is with the same frequency guide unit, first thimble module, second thimble module and third thimble module only can be synchronous ejecting or synchronous push back. Therefore, the three-station synchronous thimble mechanism realizes synchronous ejection or ejection, can achieve the effect of synchronous discharge, improves the efficiency of industrial production, reduces the workload of workers, is beneficial to the use and development of factories, and is worthy of popularization and use.

In order to achieve the above object, another embodiment of the present invention provides a three-color injection molding machine, which includes the three-station synchronous ejector pin mechanism.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the three-colour injection molding machine have one of following technological effect at least: compared with the prior art, the utility model discloses in the three-colour injection molding machine, applied foretell three-station synchronous thimble mechanism, this three-station synchronous thimble mechanism has realized synchronous ejecting or has pushed back, can reach the effect of synchronous ejection of compact, has improved the utility model discloses three-colour injection molding machine's industrial production efficiency has reduced staff's work load, is favorable to the use and the development of mill, is worth using widely.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a perspective view of a three-position synchronous ejector pin mechanism provided in an embodiment of the present invention;

fig. 2 is a bottom view of the three-position synchronous ejector pin mechanism provided in the embodiment of the present invention;

fig. 3 is an exploded schematic view of a three-station synchronous ejector pin mechanism provided in the embodiment of the present invention;

fig. 4 is a cross-sectional view of a three-position synchronous ejector pin mechanism provided in the embodiment of the present invention;

fig. 5 is an assembly schematic view of the thimble unit and the thimble same-frequency guide unit provided in the embodiment of the present invention;

fig. 6 is a schematic structural view of the first thimble module, the second thimble module, and the third thimble module provided in the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-lower template 2-thimble unit 3-thimble same-frequency guide unit

31-thimble guide column 32-thimble same-frequency guide ring 321-guide sliding seat

4-first thimble module 5-second thimble module 6-third thimble module

7-8 of thimble cylinder-ejector pin push pedal 81-same frequency fixed support leg

82-thimble mounting area 9-thimble 10-cylinder mounting piece

101-cylinder body mounting plate 102-mounting bracket

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

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 embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

The utility model discloses an embodiment, as shown in fig. 1 ~ 3, a synchronous thimble mechanism of three stations, including lower bolster 1, thimble unit 2 and thimble with frequency guiding unit 3.

The thimble unit 2 comprises a first thimble module 4, a second thimble module 5 and a third thimble module 6, the first thimble module 4, the second thimble module 5 and the third thimble module 6 are uniformly arranged at the bottom of the lower template 1 in a triangular shape, the thimble same-frequency guide unit 3 can be movably connected to the bottom of the lower template 1 up and down, and one end of the first thimble module 4, the second thimble module 5 and the third thimble module 6 extends outwards and is fixed on the thimble same-frequency guide unit 3.

Following pair the utility model provides a three station synchronous thimble mechanism do further explain, the utility model discloses three station synchronous thimble mechanism is when installing the use, first thimble module 4 second thimble module 5 with third thimble module 6 is installed the bottom of lower bolster 1 is used and mutually supports, works as first thimble module 4 second thimble module 5 with third thimble module 6 is in when lower bolster 1 is ejecting or the top moves back, owing to receive the restriction of the same frequency guiding unit 3 of thimble, first thimble module 4 second thimble module 5 with third thimble module 6 only can be synchronous ejecting or synchronous top moves back. Therefore, the three-station synchronous thimble mechanism realizes synchronous ejection or ejection, can achieve the effect of synchronous discharge, improves the efficiency of industrial production, reduces the workload of workers, is beneficial to the use and development of factories, and is worthy of popularization and use.

In another embodiment of the utility model, as shown in fig. 4, this synchronous thimble mechanism of three stations thimble with frequency guiding unit 3 includes thimble guide pillar 31 and thimble with frequency guiding ring 32, thimble guide pillar 31 fixed mounting be in the bottom of lower bolster 1, the thimble with frequency guiding ring 32 slip cover is established on the thimble guide pillar 31, and the thimble with frequency guiding ring 32 is fixed connection simultaneously first thimble module 4 second thimble module 5 with third thimble module 6.

Specifically, in the process of synchronously ejecting or synchronously ejecting and retracting the first thimble module 4, the second thimble module 5 and the third thimble module 6, the first thimble module 4, the second thimble module 5 and the third thimble module 6 slide synchronously on the thimble guide post 31 through the thimble same-frequency guide ring 32; through the arrangement of the ejector pin guide post 31, the phenomenon that the common-frequency guide ring 32 of the ejector pins deviates in the movement process is prevented, so that the first ejector pin module 4, the second ejector pin module 5 and the third ejector pin module 6 can still be kept on the same horizontal plane in the movement process, and the synchronism of ejection and ejection is ensured.

Further, a guide sliding seat 321 is formed on the thimble same-frequency guide ring 32 in an outward protruding manner, a guide sliding hole adapted to the thimble guide post 31 is penetratingly formed on the thimble same-frequency guide ring 32 and the guide sliding seat 321, the thimble guide post 31 is inserted into the thimble same-frequency guide ring 32 and the guide sliding hole on the guide sliding seat 321, specifically, when the thimble same-frequency guide ring 32 slides on the thimble guide post 31, the thimble guide post 31 slides in the thimble same-frequency guide ring 32 and the guide sliding hole on the guide sliding seat 321, by providing the guide sliding seat 321 on the thimble same-frequency guide ring 32, the motion stability of the thimble same-frequency guide ring 32 and the first thimble module 4, the second thimble module 5 and the third thimble module 6 fixedly connected to the thimble same-frequency guide ring 32 can be effectively enhanced, the first ejector pin module 4, the second ejector pin module 5 and the third ejector pin module 6 are better in synchronization effect.

In another embodiment of the utility model, as shown in fig. 5-6, this synchronous thimble mechanism of three stations first thimble module 4 second thimble module 5 with third thimble module 6 structure is the same, all includes thimble cylinder 7, thimble push pedal 8 and thimble 9, two thimble cylinder 7 corresponds the setting respectively and is in the both sides of thimble push pedal 8, thimble cylinder 7 is in through a cylinder body installed part 10 fixed mounting the bottom of lower bolster 1, and the output shaft of thimble cylinder 7 passes cylinder body installed part 10 with thimble push pedal 8 fixed connection, thimble push pedal 8 fixed connection simultaneously is in on the same frequency guide unit 3 of thimble, the bottom mounting of thimble 9 is in on the thimble push pedal 8, the top of thimble 9 is worn to locate lower bolster 1.

Specifically, when the first ejector pin module 4, the second ejector pin module 5, and the third ejector pin module 6 perform an ejection action, an output shaft of the ejector pin cylinder 7 fixedly mounted at the bottom of the lower template 1 is ejected out, and then the ejector pin push plate 8 and the ejector pin 9 fixed on the ejector pin push plate 8 are driven to eject out, and at this time, the ejector pin 9 penetrates through the lower template 1; when the first ejector pin module 4, the second ejector pin module 5 and the third ejector pin module 6 perform ejection and retraction actions, the output shafts of the ejector pin cylinders 7 fixedly mounted at the bottom of the lower template 1 are ejected and retracted, then the ejector pin push plate 8 and the ejector pins 9 fixed on the ejector pin push plate 8 are driven to retract, and at the moment, the ejector pins 9 are retracted below the lower template 1. Therefore, the first thimble module 4, the second thimble module 5 and the third thimble module 6 have the same structure and perform the same action, so that the consistency among the first thimble module 4, the second thimble module 5 and the third thimble module 6 is ensured most basically, and the synchronism is further enhanced.

Furthermore, one end of the thimble push plate 8 extends outwards to form a same-frequency fixed supporting leg 81, the same-frequency fixed supporting leg 81 is fixed on the thimble same-frequency guiding unit 3 through a plurality of fastening screws, and thus, the thimble same-frequency guiding unit 3 is conveniently and quickly assembled with the first thimble module 4, the second thimble module 5 and the third thimble module 6, and the thimble push plates 8 on the first thimble module 4, the second thimble module 5 and the third thimble module 6 are lapped with the thimble same-frequency guiding ring 32 on the thimble same-frequency guiding unit 3 through the same-frequency fixed supporting legs 81, and the assembly can be completed through the combination of a plurality of fastening screws.

Preferably, the middle part of the thimble push plate 8 is provided with a thimble mounting area 82, a plurality of thimbles 9 are uniformly fixed on the thimble mounting area 82, and by uniformly arranging a plurality of thimbles 9, when the first thimble module 4, the second thimble module 5 and the third thimble module 6 perform ejection, ejection force is more uniform, and the effect of discharging is better.

The cylinder mounting member 10 includes a cylinder mounting plate 101 and a mounting bracket 102, the top end of the mounting bracket 102 is fixedly connected to the lower template 1, the bottom end of the mounting bracket 102 is fixedly connected to the cylinder mounting plate 101, the thimble cylinder 7 is mounted on the cylinder mounting plate 101, and the output shaft of the thimble cylinder 7 penetrates through the cylinder mounting plate 101.

The utility model discloses a three-colour injection molding machine, including foretell three-station synchronous thimble mechanism, this three-station synchronous thimble mechanism has realized synchronous ejecting or has pushed back on, can reach the effect of synchronous ejection of compact, has improved the utility model discloses three-colour injection molding machine's industrial production efficiency has reduced staff's work load, is favorable to the use and the development of mill, is worth using widely.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The utility model provides a synchronous thimble mechanism of three stations, includes that lower bolster, thimble unit and thimble are with frequency guide unit, its characterized in that: the thimble unit comprises a first thimble module, a second thimble module and a third thimble module, the first thimble module, the second thimble module and the third thimble module are uniformly arranged at the bottom of the lower template in a triangular shape, the thimble same-frequency guide unit can be movably connected to the bottom of the lower template up and down, and one end of the first thimble module, one end of the second thimble module and one end of the third thimble module extend outwards and are fixed on the thimble same-frequency guide unit; and the first thimble module, the second thimble module and the third thimble module are synchronously ejected or synchronously ejected and retracted under the limitation of the thimble same-frequency guide unit.

2. The three-station synchronous ejector pin mechanism of claim 1, wherein: the thimble same-frequency guide unit comprises a thimble guide pillar and a thimble same-frequency guide ring, the thimble guide pillar is fixedly mounted at the bottom of the lower template, the thimble same-frequency guide ring is slidably sleeved on the thimble guide pillar, and the thimble same-frequency guide ring is simultaneously and fixedly connected with the first thimble module, the second thimble module and the third thimble module.

3. The three-station synchronous ejector pin mechanism of claim 2, wherein: the thimble same frequency guide ring is formed with a guide sliding seat in an outward protruding mode, the thimble same frequency guide ring and the guide sliding seat are provided with guide sliding holes matched with the thimble guide pillars in a penetrating mode, and the thimble guide pillars penetrate through the thimble same frequency guide ring and the guide sliding holes in the guide sliding seat.

4. The three-station synchronous ejector pin mechanism of claim 1, wherein: the first thimble module, the second thimble module and the third thimble module are of the same structure and respectively comprise a thimble cylinder, a thimble push plate and a thimble, the thimble cylinders are respectively and correspondingly arranged on two sides of the thimble push plate, the thimble cylinder is fixedly arranged at the bottom of the lower template through a cylinder mounting part, an output shaft of the thimble cylinder penetrates through the cylinder mounting part and the thimble push plate, the thimble push plate is simultaneously and fixedly connected to the same-frequency guide unit of the thimble, the bottom end of the thimble is fixed to the thimble push plate, and the top end of the thimble is penetrated and arranged on the lower template.

5. The three-station synchronous ejector pin mechanism of claim 4, wherein: one end of the thimble push plate extends outwards to form a same-frequency fixed supporting leg, and the same-frequency fixed supporting leg is fixed on the thimble same-frequency guide unit through a plurality of fastening screws.

6. The three-station synchronous ejector pin mechanism of claim 5, wherein: the middle part of thimble push pedal is provided with the thimble installing zone, and a plurality of thimbles are evenly fixed on the thimble installing zone.

7. The three-station synchronous ejector pin mechanism of claim 4, wherein: the cylinder body installed part includes cylinder body mounting panel and installing support, the top fixed connection of installing support the lower bolster, the bottom fixed connection of installing support the cylinder body mounting panel, the thimble jar is installed on the cylinder body mounting panel, and the output shaft of thimble jar wears to locate the cylinder body mounting panel.

8. A three-color injection molding machine is characterized in that: comprising a three-station synchronous ejector pin mechanism according to any one of claims 1 to 7.

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