CN210453470U

CN210453470U - Injection molding machine

Info

Publication number: CN210453470U
Application number: CN201920961414.9U
Authority: CN
Inventors: 黄秀峰; 刘净
Original assignee: Hubei Aodexin Industry And Trade Co Ltd
Current assignee: Hubei Aodexin Industry And Trade Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-05-05
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses an injection molding machine relates to the technical field of plastics processing equipment, including frame and melt portion, melt portion intercommunication has ejection portion, ejection portion intercommunication has mould portion, ejection portion includes the discharging pipe of storage vat and, mould portion includes fixed mould and removal mould, the die cavity has been seted up on the fixed mould, the feed port that runs through the fixed mould setting is seted up to the tank bottom in die cavity, the one end of discharging pipe is fixed on the fixed mould, and with the coaxial setting of feed port, the one end for die cavity is fixed with the convex mould piece on the removal mould, be formed with the die cavity during die cavity and convex mould piece lock. Through the arrangement, the flow stroke of the plastic fluid is shortened, the relative distance between the injection part and the mould part is shortened, the phenomenon that the fluid plastic is condensed in the running channel close to the mould part is further reduced, the phenomenon that the fixed mould is blocked is reduced, and the working efficiency of injection molding is effectively improved.

Description

Injection molding machine

Technical Field

The utility model belongs to the technical field of the technique of plastics processing equipment and specifically relates to an injection molding machine is related to.

Background

An injection molding machine is a main molding device for making thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic molding die. The injection molding machine can heat plastic, apply high pressure to the molten plastic, and inject the plastic to fill the mold cavity. An injection molding machine generally comprises an injection system, a mold closing system, a hydraulic transmission system, an electrical control system, a lubricating system, a heating and cooling system, a safety monitoring system and the like; the method comprises the steps of injecting plastic in a plasticized molten state into a closed die cavity by means of the thrust of a screw, and obtaining a product after solidification and shaping.

The application publication number is CN109514793A, which proposes an injection molding machine, comprising a mold part, an injection part, a melt part and an ejection part; the mold part and the injection part are arranged on the front side and the rear side of the same fixed plate, the injection part is arranged on the base, and the melt part is arranged on the top of the injection part; the mould part, the injection part and the melt part are communicated with each other through a set of nozzle device; the die cavity degree of depth of fixed mould is greater than the die cavity degree of depth of movable mould, the rear end of fixed plate is located to ejecting portion, the end fixing of melting material pipe has the connecting pipe, penetrate the mouth device and include the connecting block, penetrate the mouth flange and penetrate the mouth, the connecting pipe is fixed with the connecting block, set up the punishment in advance hole that the switch-on connecting pipe set up on the connecting block, punishment in advance hole is through penetrating the mouth and penetrating mouth flange and mould portion intercommunication, the end fixing of storage vat is on the connecting block and with punishment in advance hole.

The above prior art solutions have the following drawbacks: the plastic fluid melted by the melting part flows into the material passing hole through the connecting pipe and then flows into the storage tank through the material passing hole, the melted plastic in the storage tank is injected into the mold part through the connecting block, the nozzle flange and the nozzle, and the temperature of the mold part from the material passing hole, the nozzle flange, the nozzle and the fixing plate can be gradually reduced due to the main condition of the plastic cup molding that the relative temperature of the mold part is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an injection molding machine has the effect that reduces the pipeline blocking phenomenon who is close to the fixed mould, the effectual work efficiency who improves injection moulding.

The utility model discloses a can realize through following technical scheme:

the utility model provides an injection molding machine, includes the frame and fixes melt portion in the frame, melt portion intercommunication has ejection portion, ejection portion intercommunication has mould portion, ejection portion includes the storage vat and fixes storage vat tip and with the discharging pipe that mould portion is relative, mould portion include the fixed mould and with the removal mould that the fixed mould cooperation set up, set up the die cavity that laminating plastic cup outer wall set up on the fixed mould, run through has been seted up to the tank bottom of die cavity the feed port that the fixed mould set up, the discharging pipe is kept away from the one end of storage vat is fixed on the fixed mould, and with the coaxial setting of feed port, remove on the mould for the one end in die cavity is fixed with the protruding module that laminating plastic cup inner wall set up, die cavity with be formed with the die cavity during protruding module lock.

Through adopting above-mentioned technical scheme, the plastics fluid that flows out in the follow discharging tube can directly enter into the fixed mould through the feed port, then be full of whole die cavity to form the plastics cup, shortened the relative distance between ejection of compact portion and the mould portion, further reduce the phenomenon of fluid plastics condensation in the operation passageway near mould portion, reduced the phenomenon that the fixed mould blockked up, effectual improvement injection moulding's work efficiency.

Further setting the following steps: the position that is close to the fixed mould in the frame is fixed with the mounting panel of vertical setting, and the fixed mould is fixed on the mounting panel, for on the mounting panel the mounting hole has been seted up to the position of feed port, the discharging pipe is located in the mounting hole, just the internal diameter of mounting hole equals the external diameter of discharging pipe.

Through adopting above-mentioned technical scheme, through the mounting panel of the vertical setting of fixed connection in the frame to make fixed mould fixed connection on the mounting panel, and set up on the mounting panel for the feed port, make the discharging pipe pass the mounting hole and fixed and switch on the feed port with the fixed mould, avoided the discharging pipe directly to support the fixed mould, the effectual stability of being connected between fixed mould and the discharging pipe of having strengthened.

Further setting the following steps: one end of the fixed die, relative to the movable die, is fixedly connected with a plurality of guide posts which are perpendicular to the fixed die, a sliding cavity which is coaxial with the guide posts is arranged on the movable die, relative to the guide posts, and the guide posts are connected in the sliding cavity in a sliding mode.

By adopting the technical scheme, the guide posts are fixedly connected with the fixed die and horizontally arranged, and the sliding cavity is formed in the movable die, so that the guide posts are connected in the sliding cavity in a sliding manner, the operation stability of the movable die is effectively improved, the fixed die is accurately connected with the movable die, and the phenomenon that the movable die is staggered with the fixed die in the operation process is reduced.

Further setting the following steps: and the part of the column body of the guide column, which is far away from one end of the fixed mould, is provided with threads, and the threads are connected with an amplifying nut.

Through adopting above-mentioned technical scheme, set up the screw thread on the partial pillar body of one end through keeping away from the fixed mould at the guide post to threaded connection enlarges the cap on the guide post, prevents to remove the mould and remove the in-process roll-off guide bar that removes, has further improved the stability that removes the mould operation.

Further setting the following steps: the connecting rod that fixedly connected with a plurality of levels set up on the mounting panel, it is a plurality of the connecting rod is kept away from the one end of mounting panel is fixed with and is on a parallel with the mount pad that the removal mould set up, fixedly connected with drives actuating cylinder on the mount pad, run through the connecting hole that sets up the level setting on the mount pad, the piston rod that drives actuating cylinder passes the connecting hole, and fix remove on the mould.

Through adopting above-mentioned technical scheme, fixed connection is on the mounting panel and is on a parallel with the connecting rod that the guide post set up to make connecting rod and mount pad fixed connection, the effectual installation stability who improves the mount pad sets up the installation condition for driving the actuating cylinder, drives actuating cylinder drive moving die through the setting and removes the axial motion of guiding axle.

Further setting the following steps: and a circle of connecting groove is formed in the fixed die in the circumferential direction of a notch close to the concave die groove, the connecting groove is communicated with the inner cavity of the concave die groove, and the joint between the groove wall and the groove bottom of the concave die groove is in arc surface transition.

By adopting the technical scheme, the connecting groove is formed in the fixed die, when the fixed die is matched with the movable die, a cavity of the injection molding plastic cup edge is formed between the connecting groove and the movable die, and the connecting part between the groove wall and the groove bottom of the groove die is transited by the arc surface, so that the phenomenon that the injection molding plastic cup is clamped on the fixed die is further reduced.

Further setting the following steps: and a cold water channel is arranged in the fixed die and wound around the circumferential direction of the concave die groove, and a water inlet and a water outlet communicated with the cold water channel are formed in the fixed die.

By adopting the technical scheme, the cold water walkway is arranged on the fixed mould, and cold water is introduced into the cold water walkway, so that the cooling speed of the injection molding plastic cup is increased, and the working efficiency of the injection molding machine is further improved.

Further setting the following steps: and the discharge pipe is fixedly connected with a control valve.

Through adopting above-mentioned technical scheme, fixed control valve on the discharging pipe opens and close the discharging pipe through the control valve, further reduces when collecting fashioned plastics cup, and the phenomenon that the plastic fluid gushed from the feed port produces.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the relative distance between the injection part and the mould part is shortened, the phenomenon that fluid plastics are condensed in the running channel close to the mould part is further reduced, the phenomenon that the fixed mould is blocked is reduced, and the working efficiency of injection molding processing is effectively improved;

(2) the stability of the fixed die and the movable die is reduced, and the cooling and forming time of the plastic cup is shortened;

(3) simple structure, convenient to detach and installation, convenient maintenance and maintenance equipment.

Drawings

FIG. 1 is a schematic view of the overall structure of an injection molding machine;

FIG. 2 is a partial block diagram of an injection molding machine;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a partially enlarged view of portion B of fig. 3.

Reference numerals: 1. a frame; 2. a melt pipe; 3. a connecting pipe; 4. a storage tank; 5. a discharge pipe; 6. a fixed mold; 7. moving the mold; 8. a die cavity; 9. a feed port; 10. a male module; 11. a mold cavity; 12. installing a convex edge; 13. installing a groove; 14. mounting a plate; 15. mounting holes; 16. a control valve; 17. a guide post; 18. a slide chamber; 19. an enlarging nut; 20. a connecting rod; 21. a mounting seat; 22. connecting holes; 23. connecting sheets; 24. a connecting groove; 25. a cold water walkway; 26. a water inlet; 27. a water outlet; 28. the cylinder is driven.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an injection molding machine, include frame 1 and fix melt portion in frame 1 and with the stability of melt portion intercommunication jets out the portion, is provided with mould portion in portion intercommunication that jets out. The melt portion is very ripe with the application of ejection portion in the prior art of moulding plastics, and the melt portion includes common melt pipe 2 among the prior art and fixes connecting pipe 3 at melt pipe 2 tip, and connecting pipe 3 switch-on melt pipe 2 just keeps away from the one end and the ejection portion intercommunication of melt pipe 2.

Referring to fig. 1 and 2, the injection part includes an accumulator 4 communicating with the melt pipe 2 and a discharge pipe 5 fixed to an end of the accumulator 4 and disposed opposite to the mold part. The discharging pipe 5 is communicated with the storage cylinder 4, the end part of the storage cylinder 4 is fixed and communicated with the connecting pipe 3, and the storage cylinder 4 is communicated with the melting pipe 2 through the connecting pipe 3. The plastic particles to be melted are melted into plastic fluid through the melt pipe 2, the melted plastic fluid flows to the storage tank 4 through the connecting pipe 3, the melt pipe 2 and the storage tank 4 are both in a high-temperature state, and the plastic fluid cannot be cooled and solidified.

Referring to fig. 2 and 3, the tapping pipe 5 communicates with a mold section, which includes a fixed mold 6 and a movable mold 7 disposed in cooperation with the fixed mold 6. The movable die 7 can move towards/away from the fixed die 6 in the horizontal direction, one end of the fixed die 6, which is far away from the discharge pipe 5, is provided with a concave die groove 8 which is attached to the outer wall of the plastic cup, and the bottom of the concave die groove 8 is provided with a feed hole 9 which penetrates through the fixed die 6. One end of the discharge pipe 5, which is far away from the storage cylinder 4, is fixed on the fixed die 6 and is coaxially arranged with the feed hole 9.

Referring to fig. 4, in order to combine the movable mold 7 and the fixed mold 6 to form a cavity of the injection-molded plastic cup, a male mold block 10 attached to an inner wall of the plastic cup is fixed to one end of the movable mold 7 opposite to the female mold groove 8, and a mold cavity 11 for injection-molding the plastic cup is formed when the female mold groove 8 is engaged with the male mold block 10. In order to enhance the connection stability when the fixed mold 6 and the movable mold 7 are buckled, a circle of mounting convex edge 12 is fixed on the fixed mold 6 along the circumferential direction of the concave mold groove 8 relative to one side end surface of the movable mold 7, a mounting groove 13 matched with the mounting convex edge 12 is formed in the movable mold 7, and when the movable mold 7 is buckled with the fixed mold 6, the mounting convex edge 12 is clamped in the mounting groove 13.

Referring to FIGS. 3 and 4, plastic fluid in accumulator 4 is transported through discharge pipe 5 to mold cavity 11 via feed port 9, where it is injection molded into a plastic cup in mold cavity 11. In order to increase the installation stability of the fixed die 6 and to strengthen the connection between the tapping pipe 5 and the fixed die 6, a vertically arranged mounting plate 14 is fixed on the machine frame 1 adjacent to the fixed die 6, and the fixed die 6 is fixed on the mounting plate 14. The mounting plate 14 is provided with a mounting hole 15 at a position corresponding to the feed hole 9, one end of the discharge pipe 5 close to the fixed die 6 is positioned in the mounting hole 15, and the inner diameter of the mounting hole 15 is equal to the outer diameter of the discharge pipe 5. The fixed die 6 is prevented from being directly supported by the discharging pipe 5, and the connection stability between the fixed die 6 and the discharging pipe 5 is effectively enhanced. The discharge pipe 5 is fixedly connected with a control valve 16, the control valve 16 opens and closes the discharge pipe 5, and the phenomenon that plastic fluid flows out from the feed hole 9 when a formed plastic cup is collected is reduced.

Referring to fig. 2 and 3, in order to realize the movement of the movable mold 7 toward/away from the fixed mold 6, one end of the fixed mold 6 opposite to the movable mold 7 is fixedly connected with four guide posts 17 arranged perpendicular to the fixed mold 6, the guide posts 17 are horizontally arranged, a sliding cavity 18 coaxially arranged with the guide posts 17 is arranged on the movable mold 7 opposite to the guide posts 17, and the guide posts 17 are slidably connected in the sliding cavity 18. In order to prevent the movable mold 7 from separating from the guide post 17, the portion of the guide post 17 far from the fixed mold 6 is threaded and is connected with an amplifying nut 19.

Referring to fig. 3, to realize the axial movement of the movable die 7 along the guide post 17, four horizontally disposed connecting rods 20 are fixedly connected to the mounting plate 14, and a mounting seat 21 disposed parallel to the movable die 7 is fixed to one end of each of the four connecting rods 20 away from the mounting plate 14. A connecting hole 22 horizontally arranged is formed in the mounting seat 21 in a penetrating mode, a driving air cylinder 28 is fixedly connected to one end, far away from the connecting rod 20, of the mounting seat 21, and a piston rod of the driving air cylinder 28 penetrates through the connecting hole 22 and is fixed to the moving die 7. In order to enhance the connection stability between the piston rod of the driving cylinder 28 and the moving die 7, the connecting piece 23 is fixedly connected to the piston rod of the driving cylinder 28, and the connecting piece 23 is fixed on the moving die 7.

Referring to fig. 4, a circle of connecting groove 24 is circumferentially formed in the fixed die 6 close to the notch of the cavity 8, the connecting groove 24 is communicated with the inner cavity of the cavity 8, the joint between the groove wall and the groove bottom of the cavity 8 is in arc surface transition, a cavity of an injection molding plastic cup edge is formed between the connecting groove 24 and the movable die 7 by forming the connecting groove 24, and the phenomenon that the injection molding plastic cup is clamped on the fixed die 6 is further reduced by making the joint between the groove wall and the groove bottom of the cavity 8 in arc surface transition.

Referring to fig. 4, in order to increase the cooling speed of the injection-molded plastic cup at the mold part, a cold water path 25 is formed in the fixed mold 6, the cold water path 25 is arranged around the circumference of the cavity 8, and a water inlet 26 and a water outlet 27 communicated with the cold water path 25 are formed in the fixed mold 6.

The implementation principle and the beneficial effects of the embodiment are as follows:

the plastic fluid that flows out in the follow discharging pipe 5 can directly enter into fixed mould 6 through feed port 9, then fill whole die cavity 11, thereby form the plastic cup, let in endless cooling water in cold water pavement 25, accelerate the fashioned speed of plastic cup, be connected with fixed mould 6 through directly setting up discharging pipe 5 on storage vat 4, the relative distance between injection portion and the mould portion has been shortened, further reduce the phenomenon of fluid plastics condensation in the service aisle near mould portion, the phenomenon of fixed mould 6 jam has been reduced, the effectual work efficiency who improves injection moulding.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an injection molding machine, includes frame (1) and fixes melt portion on frame (1), melt portion intercommunication has ejection portion, ejection portion intercommunication has mould portion, ejection portion include storage vat (4) and fix storage vat (4) tip and with discharging pipe (5) that mould portion is relative, its characterized in that: mould portion include fixed mould (6) and with removal mould (7) that fixed mould (6) cooperation set up, set up die cavity (8) that laminating plastics cup outer wall set up on fixed mould (6), run through feed port (9) that fixed mould (6) set up have been seted up to the tank bottom of die cavity (8), keep away from discharging pipe (5) the one end of storage vat (4) is fixed on fixed mould (6), and with the coaxial setting of feed port (9), remove on mould (7) for the one end of die cavity (8) is fixed with convex mould piece (10) that laminating plastics cup inner wall set up, die cavity (8) with be formed with die cavity (11) during convex mould piece (10) lock.

2. An injection molding machine according to claim 1, wherein: the fixed position that is close to fixed mould (6) on frame (1) is fixed with mounting panel (14) of vertical setting, and fixed mould (6) are fixed on mounting panel (14), mounting panel (14) are gone up for mounting hole (15) have been seted up to the position of feed port (9), discharging pipe (5) are located in mounting hole (15), just the internal diameter of mounting hole (15) equals the external diameter of discharging pipe (5).

3. An injection molding machine according to claim 2, wherein: one end of the fixed die (6) opposite to the movable die (7) is fixedly connected with a plurality of guide columns (17) which are perpendicular to the fixed die (6), a sliding cavity (18) which is coaxial with the guide columns (17) is formed in the position, opposite to the guide columns (17), of the movable die (7), and the guide columns (17) are connected in the sliding cavity (18) in a sliding mode.

4. An injection molding machine according to claim 3, wherein: the part of the column body of the guide column (17) far away from one end of the fixed mould (6) is provided with threads, and the threads are connected with an amplifying nut (19).

5. An injection molding machine as claimed in claim 4, wherein: connecting rod (20) that a plurality of levels of fixedly connected with set up on mounting panel (14), it is a plurality of connecting rod (20) are kept away from the one end of mounting panel (14) is fixed with and is on a parallel with mount pad (21) that removal mould (7) set up, fixedly connected with drives actuating cylinder (28) on mount pad (21), run through on mount pad (21) and set up connecting hole (22) that have the level to set up, the piston rod that drives actuating cylinder (28) passes connecting hole (22), and fix remove on the mould (7).

6. An injection molding machine according to claim 1, wherein: a circle of connecting groove (24) is formed in the fixed die (6) in the circumferential direction of a groove opening close to the die cavity (8), the connecting groove (24) is communicated with an inner cavity of the die cavity (8), and the connecting part between the groove wall and the groove bottom of the die cavity (8) is in arc surface transition.

7. An injection molding machine according to claim 1, wherein: a cold water channel (25) is arranged in the fixed die (6), the cold water channel (25) is wound on the circumferential direction of the female die groove (8), and a water inlet (26) and a water outlet (27) communicated with the cold water channel (25) are arranged on the fixed die (6).

8. An injection molding machine according to claim 1, wherein: the discharge pipe (5) is fixedly connected with a control valve (16).