CN216860483U

CN216860483U - Plastic injection mold capable of automatically demolding

Info

Publication number: CN216860483U
Application number: CN202121595012.5U
Authority: CN
Inventors: 陈金镇
Original assignee: Individual
Current assignee: Guangdong Fanzhou Toy Industry Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-07-01
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a plastic injection mold capable of automatically demolding, which comprises an operation table, wherein the top of the operation table is fixedly connected with a main frame, the top of an inner cavity of the main frame is fixedly connected with a telescopic cylinder, the output end of the telescopic cylinder is fixedly connected with an upper mold, a lower mold is arranged below the upper mold, the bottom of the lower mold is fixedly connected with the top of the operation table, and a cooling cavity is arranged inside the lower mold. According to the utility model, through arranging the material ejection box, the stepping motor, the threaded screw, the material ejection plate and the internal thread sleeve, the material ejection plate can be pushed to move upwards after injection molding, the bottom of a product can be pushed to move upwards, and the effect of automatic demolding is achieved.

Description

Plastic injection mold capable of automatically demolding

Technical Field

The utility model relates to the technical field of injection molds, in particular to a plastic injection mold capable of automatically demolding.

Background

The injection mold is generally referred to as injection molding, which is a molding method combining injection and molding, and has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex and small sizes, the product has accurate size, the product is easy to update, can form a product with complex shape, is suitable for the molding processing fields of mass production, products with complex shape and the like by injection molding, stirring the completely molten plastic material by a screw at a certain temperature, injecting the material into a mold cavity under high pressure, cooling and solidifying to obtain a molded product, the method is suitable for batch production of parts with complex shapes, is one of important processing methods, mostly has no automatic material ejection function, is inconvenient to discharge, and is lack of a cooling system, so that the forming time is long, and the processing efficiency is slow.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plastic injection mold capable of automatically demolding, which has the advantages of high molding speed, low production cost and convenience in demolding, and solves the problems that most of the existing plastic injection molds do not have an automatic material ejection function, are inconvenient to discharge, lack of a cooling system, longer in molding time and slower in processing efficiency.

In order to achieve the purpose, the utility model provides the following technical scheme: a plastic injection mold capable of automatically demolding comprises an operation table, wherein a main frame is fixedly connected to the top of the operation table, a telescopic cylinder is fixedly connected to the top of an inner cavity of the main frame, an upper mold is fixedly connected to the output end of the telescopic cylinder, a lower mold is arranged below the upper mold, the bottom of the lower mold is fixedly connected to the top of the operation table, a cooling cavity is arranged inside the lower mold, a material ejecting box is fixedly connected to the upper end of the inner cavity of the cooling cavity, a stepping motor is fixedly connected to the bottom of the inner cavity of the material ejecting box, a threaded screw rod is fixedly connected to the output end of the stepping motor, an internal threaded sleeve is in threaded connection with the upper end of the threaded screw rod, the upper end of the internal threaded sleeve penetrates through the material ejecting box and is fixedly connected with a material ejecting plate, a water return pipe is communicated with the right side of the inner cavity of the cooling cavity, and the lower end of the water return pipe penetrates through the operation table and is communicated with a cooling water pipe, the bottom fixedly connected with water pump of operation panel, the mouth intercommunication that draws water of water pump has the drinking-water pipe, the right-hand member of drinking-water pipe and condenser tube's left end intercommunication, the outlet intercommunication of water pump has the drain pipe, the upper end of drain pipe run through the operation panel and with the left side intercommunication in cooling chamber.

Preferably, guide pillars are fixedly connected to two sides of the top of the operating table, the tops of the guide pillars are fixedly connected with the inner wall of the main frame, sliding sleeve blocks are movably connected to the surfaces of the guide pillars, and the inner sides of the sliding sleeve blocks are fixedly connected with the outer wall of the upper die.

Preferably, the left side of the main frame is fixedly connected with a control panel, and the surface of the control panel is provided with a work indicator lamp.

Preferably, both sides of the bottom of the operating platform are fixedly connected with supporting legs, and the bottoms of the supporting legs are fixedly connected with non-slip mats.

Preferably, the bottom of the stepping motor is fixedly connected with a supporting seat, and the inner wall of the supporting seat is fixedly connected with a cushion pad.

Preferably, the sliding blocks are fixedly connected to two sides of the lower end of the internal thread sleeve, and sliding grooves matched with the sliding blocks for use are formed in two sides of the inner cavity of the material pushing box.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through arranging the material ejecting box, the stepping motor, the threaded screw, the material ejecting plate and the internal thread sleeve, the material ejecting plate can be pushed to move upwards after injection molding, the bottom of a product can be pushed to move upwards, and the effect of automatic demolding is achieved.

2. According to the utility model, by arranging the guide pillar and the sliding sleeve block, the effect of limiting and guiding the upper die can be achieved, the accuracy of die assembly operation of the device is effectively improved, the operation of the device can be simpler and faster by arranging the control panel and the work indicator lamp, the convenience in use of the device is effectively improved, the device can be supported and fixed by arranging the support legs and the non-slip mat, the stability of the device is effectively improved, the fixing and buffering effects on the stepping motor can be achieved by arranging the support seat and the buffer mat, the vibration generated in the operation process of the stepping motor is effectively reduced, a certain limiting effect on the internal thread sleeve can be achieved by arranging the sliding chute and the sliding block, and the phenomenon that the internal thread sleeve rotates in the lifting process is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a lower mold of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 according to the present invention.

In the figure: 1. an operation table; 2. supporting legs; 3. a water return pipe; 4. a cooling water pipe; 5. a water pumping pipe; 6. a water pump; 7. a control panel; 8. a guide post; 9. an upper die; 10. a telescopic cylinder; 11. a lower die; 12. a main frame; 13. a sliding sleeve block; 14. a drain pipe; 15. a cooling chamber; 16. a chute; 17. a slider; 18. a material box is pushed; 19. a stepping motor; 20. a threaded screw; 21. a material ejecting plate; 22. an internally threaded sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The operating table 1, the supporting legs 2, the water return pipe 3, the cooling water pipe 4, the water pumping pipe 5, the water pump 6, the control panel 7, the guide pillar 8, the upper die 9, the telescopic cylinder 10, the lower die 11, the main frame 12, the sliding sleeve block 13, the water discharging pipe 14, the cooling cavity 15, the sliding chute 16, the sliding block 17, the material ejecting box 18, the stepping motor 19, the threaded screw rod 20, the material ejecting plate 21 and the internal threaded sleeve 22 are all universal standard parts or parts known by a person skilled in the art, and the structure and the principle of the utility model can be known by a technical manual or a conventional experimental method.

Referring to fig. 1-3, a plastic injection mold capable of automatic demolding comprises an operating platform 1, a main frame 12 is fixedly connected to the top of the operating platform 1, a control panel 7 is fixedly connected to the left side of the main frame 12, a work indicator lamp is arranged on the surface of the control panel 7, the operation of the device can be simpler and faster by arranging the control panel 7 and the work indicator lamp, the convenience of the use of the device is effectively improved, supporting legs 2 are fixedly connected to both sides of the bottom of the operating platform 1, non-slip mats are fixedly connected to the bottoms of the supporting legs 2, the device can be supported and fixed by arranging the supporting legs 2 and the non-slip mats, the stability of the device is effectively improved, a telescopic cylinder 10 is fixedly connected to the top of an inner cavity of the main frame 12, an upper mold 9 is fixedly connected to the output end of the telescopic cylinder 10, a lower mold 11 is arranged below the upper mold 9, the bottom of the lower die 11 is fixedly connected with the top of the operating platform 1, guide pillars 8 are fixedly connected with two sides of the top of the operating platform 1, the top of each guide pillar 8 is fixedly connected with the inner wall of the main frame 12, the surface of each guide pillar 8 is movably connected with a sliding sleeve block 13, the inner side of each sliding sleeve block 13 is fixedly connected with the outer wall of the upper die 9, the upper die 9 can be limited and guided by arranging the guide pillars 8 and the sliding sleeve blocks 13, the accuracy of die assembly operation of the device is effectively improved, a cooling cavity 15 is arranged inside the lower die 11, a top box 18 is fixedly connected with the upper end of the inner cavity of the cooling cavity 15, a stepping motor 19 is fixedly connected with the bottom of the inner cavity of the top box 18, a supporting seat is fixedly connected with the bottom of the stepping motor 19, a cushion pad is fixedly connected with the inner wall of the supporting seat, and the supporting seat and the cushion pad are arranged, so that the stepping motor 19 can be fixed and buffered, effectively reducing the vibration generated by the stepping motor 19 in the operation process, wherein the output end of the stepping motor 19 is fixedly connected with a threaded screw 20, the upper end of the threaded screw 20 is in threaded connection with an internal thread sleeve 22, the upper end of the internal thread sleeve 22 penetrates through the material ejection box 18 and is fixedly connected with an ejection plate 21, both sides of the lower end of the internal thread sleeve 22 are fixedly connected with a slide block 17, both sides of the inner cavity of the material ejection box 18 are provided with slide grooves 16 matched with the slide block 17 for use, the internal thread sleeve 22 can be limited to a certain extent by arranging the slide grooves 16 and the slide block 17, the phenomenon that the internal thread sleeve 22 rotates in the lifting process is avoided, the right side of the inner cavity of the cooling cavity 15 is communicated with a water return pipe 3, the lower end of the water return pipe 3 penetrates through the operation table 1 and is communicated with a cooling water pipe 4, the bottom of the operation table 1 is fixedly connected with a water pump 6, and a water pumping port of the water pump 6 is communicated with a water pumping pipe 5, the right-hand member of drinking-water pipe 5 and the left end intercommunication of condenser tube 4, the outlet intercommunication of water pump 6 has drain pipe 14, the upper end of drain pipe 14 runs through operation panel 1 and communicates with the left side of cooling chamber 15, through setting up top workbin 18, step motor 19, threaded screw 20, ejector plate 21 and internal thread sleeve 22, can be after injection moulding, promote ejector plate 21 rebound, the bottom rebound that can promote the product, the effect of automatic drawing of patterns has been reached, through setting up wet return 3, condenser tube 4, drinking-water pipe 5, water pump 6, drain pipe 14 and cooling chamber 15, can carry out the water-cooling to lower mould 11, accelerate the shaping speed of plastic, the machining efficiency of device has effectively been promoted.

When the device is used, an anti-adhesion layer is arranged on the surface of the ejector plate 21, plastic is prevented from being adhered to the surface of the ejector plate 21, the lowest position of the stroke of the ejector plate 21 and the bottom of an injection molding groove of the lower mold 11 are positioned at the same horizontal plane, the joint is sealed, the telescopic cylinder 10 is opened, the upper mold 9 is pushed by the telescopic cylinder 10 to move downwards until the plastic is completely adhered to the lower mold 11, mold closing operation is completed, plastic raw materials are filled into the injection molding groove through the feed inlet, the water pump 6 is started, the water discharge pipe 14, the cooling cavity 15, the water return pipe 3, the cooling water pipe 4 and the water suction pipe 5 can form a complete circulating water path through operation of the water pump 6, water absorbs heat when passing through the cooling cavity 15 and emits heat when passing through the cooling water pipe 4, the lower mold 11 can be cooled, the molding speed of the plastic is accelerated, the processing efficiency of the device is effectively improved, the upper mold 9 is lifted after molding, step motor 19 is opened again, rotate through step motor 19 output and drive threaded screw 20, drive internal thread sleeve 22 through threaded screw 20, drive ejector plate 21 through internal thread sleeve 22, can be ejecting with the product through ejector plate 21 rebound, reached the effect of automatic drawing of patterns, cooperation through above-mentioned structure, it is fast to make the device reach the shaping speed, low in production cost, the advantage of the drawing of patterns of being convenient for is fit for using widely.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but plastic injection mold of automatic demoulding, includes operation panel (1), its characterized in that: the top of the operation table (1) is fixedly connected with a main frame (12), the top of an inner cavity of the main frame (12) is fixedly connected with a telescopic cylinder (10), an output end of the telescopic cylinder (10) is fixedly connected with an upper die (9), a lower die (11) is arranged below the upper die (9), the bottom of the lower die (11) is fixedly connected with the top of the operation table (1), a cooling cavity (15) is arranged inside the lower die (11), the upper end of the inner cavity of the cooling cavity (15) is fixedly connected with a material ejection box (18), the bottom of the inner cavity of the material ejection box (18) is fixedly connected with a stepping motor (19), an output end of the stepping motor (19) is fixedly connected with a threaded screw rod (20), the upper end of the threaded screw rod (20) is connected with an internal threaded sleeve (22), the upper end of the internal threaded sleeve (22) penetrates through the material ejection box (18) and is fixedly connected with a material ejection plate (21), the right side intercommunication of cooling chamber (15) inner chamber has wet return (3), the lower extreme of wet return (3) runs through operation panel (1) and communicates there is cooling water pipe (4), the bottom fixedly connected with water pump (6) of operation panel (1), the mouth intercommunication that draws water of water pump (6) has drinking-water pipe (5), the right-hand member of drinking-water pipe (5) and the left end intercommunication of cooling water pipe (4), the outlet intercommunication of water pump (6) has drain pipe (14), the upper end of drain pipe (14) run through operation panel (1) and communicate with the left side of cooling chamber (15).

2. The plastic injection mold capable of automatic demolding according to claim 1, wherein: guide pillars (8) are fixedly connected to two sides of the top of the operating platform (1), the top of each guide pillar (8) is fixedly connected with the inner wall of the main frame (12), sliding sleeve blocks (13) are movably connected to the surfaces of the guide pillars (8), and the inner sides of the sliding sleeve blocks (13) are fixedly connected with the outer wall of the upper die (9).

3. The plastic injection mold capable of automatic demolding according to claim 1, wherein: the left side fixedly connected with control panel (7) of main frame (12), the surface of control panel (7) is provided with the work pilot lamp.

4. The plastic injection mold capable of automatic demolding according to claim 1, wherein: the equal fixedly connected with supporting leg (2) in both sides of operation panel (1) bottom, the bottom fixedly connected with slipmat of supporting leg (2).

5. The plastic injection mold capable of automatic demolding according to claim 1, wherein: the bottom of the stepping motor (19) is fixedly connected with a supporting seat, and the inner wall of the supporting seat is fixedly connected with a cushion pad.

6. The plastic injection mold capable of automatic demolding according to claim 1, wherein: the two sides of the lower end of the internal thread sleeve (22) are fixedly connected with sliding blocks (17), and sliding grooves (16) matched with the sliding blocks (17) to use are formed in the two sides of the inner cavity of the material ejection box (18).