CN212764617U

CN212764617U - Injection molding mechanism of injection molding machine

Info

Publication number: CN212764617U
Application number: CN202021132940.3U
Authority: CN
Inventors: 孙朝阳
Original assignee: Qingdao Ruimu Jinggong Technology Co ltd
Current assignee: Qingdao Ruimu Jinggong Technology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-03-23
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to the technical field of injection molding machines, in particular to an injection molding mechanism of an injection molding machine, which can evenly discharge and inject materials, prevent the material from being blocked to influence the injection molding quality, improve the production efficiency and the injection molding quality and improve the practicability; the injection screw comprises a body, the feed cylinder, the injection screw, the nozzle, electric heating element, loading hopper and unloading roller, organism top left side and right side all are provided with the support frame, feed cylinder fixed mounting is on two sets of support frame tops, be provided with the cavity in the feed cylinder, the injection screw is rotatable to be installed in the cavity, the injection screw stretches into the left end in the cavity from the feed cylinder right-hand member, the feed cylinder left end is provided with the fixed block, be provided with the screw hole of direction about in the fixed block, screw hole and cavity intercommunication, the injection screw right side is provided with the external screw thread, the injection screw right-hand member stretches into from screw hole left end spiral shell dress, organism top right.

Description

Injection molding mechanism of injection molding machine

Technical Field

The utility model relates to a technical field of injection molding machine especially relates to an injection molding machine's mechanism of moulding plastics.

Background

As is well known, an injection molding machine, also known as an injection molding machine or an injection machine, is a main molding apparatus for manufacturing thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold, and is classified into a vertical type, a horizontal type and a full-electric type, the injection molding machine can heat the plastics and apply high pressure to the molten plastics to inject the molten plastics to fill a mold cavity of the mold, an injection mechanism of the injection molding machine injects the materials into the mold, thereby completing a molding processing device, which is widely used in the field of injection molding machines; the injection molding mechanism of the existing injection molding machine is not uniform enough when guiding materials in, and the materials are not uniformly and sufficiently injected due to easy blockage in the blanking process, so that the subsequent molding processing is influenced, the cost is increased, the production efficiency is reduced, and the practicability is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a can carry out even unloading and injection to the material, prevent that the raw materials from blockking up and influencing the quality of moulding plastics, improve production efficiency and the quality of moulding plastics, improve the mechanism of moulding plastics of injection molding machine of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an injection molding mechanism of an injection molding machine comprises a machine body, a material cylinder, injection screws, a nozzle, an electric heating element, a feeding hopper and a discharging roller, wherein the left side and the right side of the top end of the machine body are respectively provided with a support frame, the material cylinder is fixedly arranged at the top ends of two groups of support frames, a cavity is arranged in the material cylinder, the injection screws are rotatably arranged in the cavity, the injection screws extend into the left end of the cavity from the right end of the material cylinder, the left end of the material cylinder is provided with a fixed block, the fixed block is internally provided with a threaded hole in the left and right directions, the threaded hole is communicated with the cavity, the right side of the injection screw is provided with an external thread, the right end of the injection screw extends into the cavity from the left end of the threaded hole in a screw mounting manner, the right side of the top end of the machine body, two sets of the slider respectively with two sets of spout sliding connection, nozzle fixed mounting in the feed cylinder left end and with the feed cylinder intercommunication, electric heat component cover is located feed cylinder and nozzle are peripheral, loading hopper fixed mounting in feed cylinder top right side, the loading hopper input with the cavity intercommunication, the loading hopper top is provided with fixed lid, fixed lid top is provided with the feed inlet, and fixed lid top middle part is provided with agitator motor, the agitator motor output stretches into to the loading hopper in from fixed lid top, the unloading roller is arranged in the loading hopper, and the unloading roller top is connected with agitator motor output transmission.

Preferably, be provided with the connecting block in the loading hopper, the connecting block passes through three dead levers of group and loading hopper bottom fixed connection, the unloading roller bottom with connecting block rotatable coupling.

Preferably, a baffle is arranged on the right side of the top end of the screw rod and is positioned below the output end of the loading hopper.

Preferably, the heating wire is arranged on the periphery of the charging hopper, and the heating wire is uniformly coiled on the periphery of the charging hopper.

Preferably, a motor shell is fixedly sleeved on the periphery of the stepping motor.

Preferably, the fixed cover is fixedly connected with the top end of the charging hopper through a flange, and the blanking roller is detachably connected with the fixed block.

Preferably, the fixed block right side is provided with the connecting plate, the connecting plate passes through two sets of connecting rods and fixed block right-hand member fixed connection, the injection screw rod right-hand member is provided with the round bar, the round bar right-hand member passes from the connecting plate left end, and the peripheral rotatable cover of round bar is equipped with the limiting plate, the limiting plate is located between fixed block and the connecting plate, the step motor output is connected with the transmission of round bar right-hand member.

(III) advantageous effects

Compared with the prior art, the utility model provides an injection molding machine's mechanism of moulding plastics possesses following beneficial effect: the injection molding mechanism of the injection molding machine comprises a feed inlet, a feed hopper, a stirring motor, a discharging roller, a stepping motor, a fixing block, an injection screw, a discharging roller, a nozzle, a feeding hole, a discharging roller, a feeding hole, a discharging hole and a discharging hole, wherein injection molding raw materials are led into the feed hopper from the feed inlet, the discharging roller is driven to rotate by the stirring motor to uniformly discharge the raw materials, the raw materials are led into the cavity from the feed hopper, the injection screw is driven to rotate by the stepping motor, the stepping, can carry out even unloading and injection to the material, prevent that the raw materials from blockking up and influencing the quality of moulding plastics, improve production efficiency and the quality of moulding plastics, improve the practicality.

Drawings

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

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic view of a portion of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic partial structure diagram at C in fig. 1 according to the present invention.

In the drawings, the reference numbers: 1. a body; 2. a charging barrel; 3. an injection screw; 4. a nozzle; 5. an electric heating element; 6. a hopper; 7. a blanking roller; 8. a support frame; 9. a cavity; 10. a fixed block; 11. a stepping motor; 12. a slider; 13. a chute; 14. a fixed cover; 15. a feed inlet; 16. a stirring motor; 17. connecting blocks; 18. fixing the rod; 19. a baffle plate; 20. an electric heating wire; 21. a motor housing; 22. a flange; 23. a connecting plate; 24. a connecting rod; 25. a round bar; 26. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the injection mechanism of an injection molding machine of the present invention comprises a machine body 1, a material cylinder 2, an injection screw 3, a nozzle 4, an electric heating element 5, a feeding hopper 6 and a discharging roller 7, wherein the left side and the right side of the top end of the machine body 1 are respectively provided with a support frame 8, the material cylinder 2 is fixedly mounted on the top ends of the two sets of support frames 8, a cavity 9 is arranged in the material cylinder 2, the injection screw 3 is rotatably mounted in the cavity 9, the injection screw 3 extends into the left end of the cavity 9 from the right end of the material cylinder 2, the left end of the material cylinder 2 is provided with a fixed block 10, a threaded hole in the left-right direction is arranged in the fixed block 10, the threaded hole is communicated with the cavity 9, the right side of the injection screw 3 is provided with an external thread, the right end of the injection screw 3 extends into the left end of the, the front side and the rear end of the bottom end of a stepping motor 11 are both provided with a slide block 12, the front side and the rear side of the top end of a machine body 1 are both correspondingly provided with slide grooves 13, the two groups of slide blocks 12 are respectively in sliding connection with the two groups of slide grooves 13, a nozzle 4 is fixedly arranged at the left end of a charging barrel 2 and is communicated with the charging barrel 2, an electric heating element 5 is sleeved on the peripheries of the charging barrel 2 and the nozzle 4, a charging hopper 6 is fixedly arranged at the right side of the top end of the charging barrel 2, the input end of the charging hopper 6 is communicated with a cavity 9, the top end of the charging hopper 6 is provided with a fixed cover 14, the top end of the fixed cover 14 is provided with a feed inlet 15, the middle part of the top end of the fixed cover 14 is provided with a stirring motor 16, the output end of the stirring motor 16 extends into the charging hopper 6 from the top end of the fixed cover 14, the stirring motor 16 drives the blanking roller 7 to rotate to evenly blank the raw material, the raw material is guided into the cavity 9 from the feeding hopper 6, the stepping motor 11 drives the injection screw 3 to rotate, the right side of the injection screw 3 is in threaded connection with the fixed block 10, the injection screw 3 drives the stepping motor 11 to slide leftwards from the machine body 1 while rotating, the charging barrel 2 is heated by the electric heating element 5 to melt the injection molding raw material into a molten state, the stepping motor 11 drives the injection screw 3 to move leftwards, the stirring motor 16 drives the blanking roller 7 to blank the raw material, then the stepping motor 11 drives the injection screw 3 to move leftwards, the molten raw material is injected into a mold through the nozzle 4 to be molded, the injection screw 3 can repeatedly inject the molten raw material into the mold to be molded and processed when the stepping motor 11 is matched with the stirring motor 16, can carry out even unloading and injection to the material, prevent that the raw materials from blockking up and influencing the quality of moulding plastics, improve production efficiency and the quality of moulding plastics, improve the practicality.

The utility model discloses a mechanism of moulding plastics of injection molding machine, be provided with connecting block 17 in the loading hopper 6, connecting block 17 is through three dead levers of

group

18 and 6 bottom fixed connection of loading hopper, 7 bottoms of unloading roller with connecting block 17 rotatable coupling fixes connecting block 17 through three dead levers of group 18, supports 7 bottoms of unloading roller through connecting block 17, connecting block 17 and 7 rotatable coupling of unloading roller.

The utility model discloses an injection molding machine's mechanism of moulding plastics, screw rod top right side is provided with baffle 19, baffle 19 is located 6 output ends below of loading hopper, when injection screw rod 3 to the right side removal back, block the raw materials in loading hopper 6 through baffle 19, when injection screw rod 3 moves left, baffle 19 is putd aside from 6 below of loading hopper, and the raw materials in loading hopper 6 falls into cavity 9 in, is convenient for control the unloading.

The utility model discloses an injection molding machine's mechanism of moulding plastics, 6 peripheries of loading hopper are provided with heating wire 20, heating wire 20 evenly coil in 6 peripheries of loading hopper heat loading hopper 6 through heating wire 20 to preheat the raw materials, be convenient for follow-up electric heating element 5 heats the raw materials and melts.

The utility model discloses an injection molding machine's mechanism of moulding plastics, the fixed cover in 11 peripheries of step motor is equipped with motor casing 21, protects step motor 11 through motor casing 21.

The utility model discloses an injection molding machine's mechanism of moulding plastics, fixed lid 14 through flange 22 with 6 top fixed connection of loading hopper, unloading roller 7 with fixed block 10 is detachable connection, fixed lid 14 through

flange

22 and 6 fixed connection of loading hopper, is convenient for dismantle fixed lid 14, unloading roller 7 can be dismantled with connecting block 17, can take out from loading hopper 6 fixed lid 14 and unloading roller 7, is convenient for wash its unloading roller 7.

The utility model discloses an injection molding machine's mechanism of moulding plastics, 10 right sides of fixed block are provided with connecting plate 23, connecting plate 23 is through two sets of connecting

rods

24 and 10 right-hand members fixed connection of fixed block, injection screw 3 right-hand members are provided with round bar 25, round bar 25 right-hand member passes from the connecting plate 23 left end, and the peripheral rotatable cover of round bar 25 is equipped with limiting plate 26, limiting plate 26 is located between fixed block 10 and the connecting plate 23, step motor 11 output and round bar 25 right-hand member transmission are connected, and step motor 11 drives about injection screw 3, and control about injection screw 3 and control drive round bar 25 and limiting plate 26, and is spacing to round bar 25 through limiting plate 26 to injection screw 3 carries on spacingly.

When the injection mechanism of the injection molding machine is used, injection molding raw materials are guided into the charging hopper 6 at the feeding port 15, the charging roller 7 is driven by the stirring motor 16 to rotate to uniformly charge the raw materials, meanwhile, the charging hopper 6 is heated by the heating wire 20, so that the raw materials are preheated, the raw materials are conveniently heated and melted by the subsequent electric heating element 5, when the injection screw 3 moves leftwards, the baffle 19 is removed from the lower part of the charging hopper 6, the raw materials in the charging hopper 6 fall into the cavity 9 to control charging, the raw materials are guided into the cavity 9 from the charging hopper 6, the injection screw 3 is driven by the stepping motor 11 to rotate, the right side of the injection screw 3 is in threaded connection with the fixed block 10, the injection screw 3 drives the stepping motor 11 to slide leftwards from the machine body 1 while rotating, the injection screw 3 moves leftwards to guide the injection molding raw materials into the left side of the cavity 9 from the right side of the cavity 9, the charging barrel 2 is heated by the electric heating element 5, the injection molding raw material is melted into a molten state, the stepping motor 11 drives the injection screw 3 and the stepping motor 11 to move leftwards, the stirring motor 16 drives the blanking roller 7 to blank the raw material, then the stepping motor 11 drives the injection screw 3 to move leftwards, the molten raw material is injected into a mold through the nozzle 4 to be molded, the injection screw 3 can repeatedly inject the molten raw material into the mold to be molded through the matching of the stepping motor 11 and the stirring motor 16, the connecting block 17 is fixed through three groups of fixing rods 18, the bottom end of the blanking roller 7 is supported through the connecting block 17, the connecting block 17 is rotatably connected with the blanking roller 7, the fixing cover 14 is fixedly connected with the charging hopper 6 through the flange 22, the fixing cover 14 is convenient to be detached, the blanking roller 7 is detachable from the connecting block 17, and the fixing cover 14 and the blanking roller 7 can be taken out of the charging hopper 6, be convenient for wash its unloading roller 7, can carry out even unloading and injection to the material, prevent that the raw materials from blockking up and influencing the quality of moulding plastics, improve production efficiency and the quality of moulding plastics, improve the practicality.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An injection molding mechanism of an injection molding machine is characterized by comprising a machine body (1), a charging barrel (2), injection screws (3), nozzles (4), electric heating elements (5), a charging hopper (6) and a discharging roller (7), wherein the left side and the right side of the top end of the machine body (1) are respectively provided with a support frame (8), the charging barrel (2) is fixedly arranged at the top ends of the two groups of support frames (8), a cavity (9) is arranged in the charging barrel (2), the injection screws (3) are rotatably arranged in the cavity (9), the injection screws (3) extend into the left end of the cavity (9) from the right end of the charging barrel (2), the left end of the charging barrel (2) is provided with a fixed block (10), threaded holes in the left and right directions are arranged in the fixed block (10), the threaded holes are communicated with the cavity (9), the right side of the injection screws (3) is provided with external threads, the right end, the injection machine is characterized in that a stepping motor (11) is arranged on the right side of the top end of the machine body (1), the output end of the stepping motor (11) is in transmission connection with the right end of the injection screw rod (3), sliders (12) are arranged on the front side and the rear end of the bottom end of the stepping motor (11), sliding grooves (13) are correspondingly arranged on the front side and the rear side of the top end of the machine body (1), the sliders (12) are in sliding connection with the sliding grooves (13), a nozzle (4) is fixedly arranged at the left end of the charging barrel (2) and is communicated with the charging barrel (2), an electric heating element (5) is sleeved on the peripheries of the charging barrel (2) and the nozzle (4), a charging hopper (6) is fixedly arranged on the right side of the top end of the charging barrel (2), the input end of the charging hopper (6) is communicated with the cavity (9), a fixed cover (14) is arranged on the, fixed lid (14) top middle part is provided with agitator motor (16), agitator motor (16) output stretches into to loading hopper (6) from fixed lid (14) top, blanking roller (7) are arranged in loading hopper (6), and blanking roller (7) top is connected with agitator motor (16) output transmission.

2. The injection mechanism of an injection molding machine according to claim 1, wherein a connecting block (17) is arranged in the feeding hopper (6), the connecting block (17) is fixedly connected with the bottom of the feeding hopper (6) through three groups of fixing rods (18), and the bottom end of the blanking roller (7) is rotatably connected with the connecting block (17).

3. The injection mechanism of an injection molding machine according to claim 2, wherein a baffle (19) is provided to the right of the top end of the screw, and the baffle (19) is located below the output end of the hopper (6).

4. The injection mechanism of an injection molding machine according to claim 3, wherein an electric heating wire (20) is arranged at the periphery of the charging hopper (6), and the electric heating wire (20) is uniformly wound around the periphery of the charging hopper (6).

5. The injection mechanism of an injection molding machine according to claim 4, wherein said stepping motor (11) is fixedly sleeved with a motor housing (21).

6. The injection mechanism of an injection molding machine according to claim 5, wherein the fixed cover (14) is fixedly connected with the top end of the charging hopper (6) through a flange (22), and the feeding roller (7) is detachably connected with the fixed block (10).

7. The injection molding mechanism of injection molding machine of claim 6, characterized in that, fixed block (10) right side is provided with connecting plate (23), connecting plate (23) are through two sets of connecting rods (24) and fixed block (10) right-hand member fixed connection, injection screw (3) right-hand member is provided with round bar (25), round bar (25) right-hand member passes from connecting plate (23) left end, and the peripheral rotatable cover of round bar (25) is equipped with limiting plate (26), limiting plate (26) are located between fixed block (10) and connecting plate (23), step motor (11) output and round bar (25) right-hand member transmission are connected.