CN219543847U

CN219543847U - Injection molding machine

Info

Publication number: CN219543847U
Application number: CN202222644576.4U
Authority: CN
Inventors: 黄昕; 周建学
Original assignee: Zhongshan Rongjiu Intelligent Manufacturing Co ltd
Current assignee: Zhongshan Rongjiu Intelligent Manufacturing Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-08-18
Anticipated expiration: 2032-10-09

Abstract

The utility model belongs to the field of injection molding, in particular to an injection molding machine, aiming at the existing problems, the utility model provides a scheme which comprises a supporting box, a charging basket, a U-shaped plate and a rotating disc, wherein the charging basket and the U-shaped plate are fixedly arranged at the top of the supporting box, a stirring assembly is arranged in the charging basket, an electric heating plate is fixedly arranged on the charging basket, a supporting pin is rotatably arranged at the top of the supporting box, the rotating disc is fixedly arranged at the top end of the supporting pin, a driving piece is arranged in the supporting box, and the driving piece is connected with the rotating disc. The injection molding machine is reasonable in structural design, simple to operate, capable of effectively improving working efficiency, capable of jacking the finished injection molding piece from the lower die when the rotating disc rotates, convenient for an operator to take materials, capable of stirring materials in the charging basket when the upper die moves up and down, and convenient for quick assembly and disassembly of the upper die.

Description

Injection molding machine

Technical Field

The utility model relates to the technical field of injection molding, in particular to an injection molding machine.

Background

The working principle of the injection molding machine is similar to that of an injector for injection, and the injection molding machine injects plastic in a plasticized molten state (namely viscous state) into a closed mold cavity by means of the thrust of a screw (or a plunger) and obtains a product after solidification and shaping. Injection molding is a cyclic process, and each cycle mainly comprises quantitative feeding, melting plasticizing, pressurizing injection, mold filling cooling and mold opening and taking. Taking out the plastic part, closing the mold again, and carrying out the next cycle; when the existing injection molding machine works, the next circulation process can be carried out after the mold is opened to take the part, the efficiency is poor, and meanwhile, when the material is taken, part of the inner wall of the mold, which is clung to the injection molding part, is difficult to directly take the part, so the utility model provides the injection molding machine for solving the problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an injection molding machine.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an injection molding machine, includes supporting box, storage bucket, U-shaped board and rolling disc, the equal fixed mounting of storage bucket and U-shaped board is at the top of supporting box, be provided with stirring subassembly in the storage bucket, and fixed mounting has the electric plate on the storage bucket, the top of supporting box rotates and installs the supporting pin, rolling disc fixed mounting is on the top of supporting pin, be provided with the driving piece in the supporting box, and the driving piece is connected with the rolling disc, be a plurality of lower moulds for central fixed mounting based on the supporting pin on the rolling disc, be provided with same unloading subassembly in a plurality of lower moulds, and unloading subassembly is connected with the supporting box, one side fixed mounting of U-shaped board has two fixed plates, and fixed mounting has same pneumatic cylinder on two fixed plates, the bottom fixed mounting of pneumatic cylinder has the lifter plate, demountable installation has the feeding pump on the lifter plate, fixed mounting has material taking pipe and feeding pipe on storage bucket and the lifter plate respectively, be connected with same flexible extension pipe between material taking pipe and the feeding pump, and be connected with the feeding pipe and be connected with the same connecting pipe on the lifting plate and the fixed mounting has connecting pipe and the connecting pipe on the lifting plate, connecting pipe and the connecting pipe.

Specifically, stirring subassembly includes drive shaft and a plurality of puddler, rotates on the top inner wall of storage bucket and the bottom inner wall on and installs same drive shaft, radially fixed mounting has a plurality of puddlers on the drive shaft.

Specifically, drive assembly includes ball, U-shaped piece, belt and two band pulleys, and fixed mounting has the U-shaped piece on the top inner wall of supporting box, rotates on the U-shaped piece and installs ball, ball's top and lifter plate fixed connection, and the equal fixed cover in bottom of ball and drive shaft is equipped with the band pulley, and the transmission is connected with same belt on two band pulleys.

Specifically, the driving piece includes servo motor, drive gear and internal tooth disc, and the bottom side of rolling disc is based on the backing pin and is central fixed mounting has the internal tooth disc, and fixed mounting has servo motor on the top inner wall of supporting box, and servo motor's output shaft extends to the top of supporting box and fixed cover is equipped with drive gear, and drive gear meshes with the internal tooth disc mutually.

Specifically, the subassembly of unloading includes holding ring, a plurality of push pedal and a plurality of push rod, and the top of holding box is based on the holding pin as center fixed mounting has the holding ring, and the top surface of holding ring is low about high setting, and equal slidable mounting has the push pedal in a plurality of lower moulds, and the equal fixed mounting of bottom side of a plurality of push pedals has the push rod, and the bottom of a plurality of push rods all extends to the below of rolling disc and respectively with holding ring's topside looks butt.

Specifically, the top side fixed mounting of going up the mould has the mounting panel, and the top side fixed mounting of mounting panel has the convex slider, and the convex groove has been seted up to one side of lifter plate, and convex slider slidable mounting is in the convex groove, and the mounting panel passes through the bolt fastening on the lifter plate.

Specifically, the top side of supporting box and the bottom side of rolling disc have all seted up the ring channel, roll in two ring channels and install a plurality of balls.

Specifically, a plurality of guide rods are fixedly arranged on the top side of the lifting plate, and the guide rods are all in sliding connection with the two fixing plates.

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

(1) According to the injection molding machine, the lifting plate is controlled to move downwards through the hydraulic cylinder to control the upper die to enter the lower die right below the lifting plate, meanwhile, the upper die is sealed under the action of the sealing sleeve, then molten materials in the charging basket are injected into the upper die and the lower die through the feeding pump, so that injection molding operation can be performed, the upper die and the lower die are controlled to be separated after injection molding is finished, the rotating disc is controlled to deflect through the driving piece, the lower die with injection molding parts can be moved from the position right below the upper die, and meanwhile, the adjacent lower die is moved to the position right below the upper die, so that the injection molding operation is convenient to perform again.

(2) According to the injection molding machine, the rotating disc rotates and can eject the injection molding piece from the lower die under the cooperation of the unloading assembly, so that an operator can conveniently take materials.

(3) In the process of the up-and-down motion of the lifting plate, the stirring assembly can be controlled to stir the materials in the charging basket under the cooperation of the transmission assembly, so that the materials can be kept heated uniformly under the action of the electric heating plate.

(4) The upper die is convenient to be quickly disassembled and assembled through the cooperation of the bolt, the loose joint and other components.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be understood that the drawings described below are merely exemplary, and that the structures, proportions, sizes, etc. shown in the present specification are merely illustrative of the contents of the present specification, for the understanding and appreciation of the skilled artisan, and are not meant to limit the limitations upon the practice of the present utility model, so that there is no technical significance to any modification, change in the proportions, or adjustment of the size of the structures.

Fig. 1 is a schematic perspective view of an injection molding machine according to the present utility model;

FIG. 2 is a schematic cross-sectional view of an injection molding machine according to the present utility model;

FIG. 3 is a schematic view of the structure of the portion A of an injection molding machine according to the present utility model;

fig. 4 is a schematic structural view of a portion B of an injection molding machine according to the present utility model.

In the figure: 1. a supporting box; 2. a U-shaped plate; 3. a charging barrel; 31. a drive shaft; 32. an electric heating plate; 4. a rotating disc; 41. a lower die; 42. a push plate; 43. a push rod; 44. a support ring; 5. a servo motor; 51. a drive gear; 52. an inner fluted disc; 6. a lifting plate; 61. a hydraulic cylinder; 7. a feed pump; 8. a mounting plate; 81. an upper die; 82. sealing sleeve; 9. a ball screw; 91. a belt wheel.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby a feature defining "first," "second," or the like, may explicitly or implicitly include one or more such features, and in the description of the present utility model, a "plurality" means two or more, unless otherwise specifically limited.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Referring to FIGS. 1 to 4, an injection molding machine comprises a supporting box 1, a charging basket 3, a U-shaped plate 2 and a rotating disc 4, wherein the charging basket 3 and the U-shaped plate 2 are fixedly installed at the top of the supporting box 1, the same driving shaft 31 is rotatably installed on the inner wall of the top and the inner wall of the bottom of the charging basket 3, a plurality of stirring rods are radially and fixedly installed on the driving shaft 31, an electric heating plate 32 is fixedly installed on the charging basket 3, a supporting pin is rotatably installed at the top of the supporting box 1, the rotating disc 4 is fixedly installed at the top of the supporting pin, an inner fluted disc 52 is fixedly installed on the bottom of the rotating disc 4 based on the supporting pin as the center, a servo motor 5 is fixedly installed on the inner wall of the top of the supporting box 1, an output shaft of the servo motor 5 extends to the upper side of the supporting box 1 and is fixedly sleeved with a driving gear 51, the driving gear 51 is meshed with the inner fluted disc 52, a plurality of lower dies 41 are fixedly installed on the rotating disc 4 based on the supporting pin as the center, the top of the supporting box 1 is fixedly provided with a supporting ring 44 based on a supporting pin as a center, the top surface of the supporting ring 44 is arranged in a left-low right-high manner, push plates 42 are slidably arranged in a plurality of lower dies 41, push rods 43 are fixedly arranged at the bottom sides of the push plates 42, the bottom ends of the push rods 43 extend to the lower side of the rotating disc 4 and respectively abut against the top sides of the supporting ring 44, one side of the U-shaped plate 2 is fixedly provided with two fixing plates, the two fixing plates are fixedly provided with the same hydraulic cylinder 61, the bottom end of the hydraulic cylinder 61 is fixedly provided with a lifting plate 6, the lifting plate 6 is detachably provided with an upper die 81, the lifting plate 6 is fixedly provided with a feeding pump 7, the charging barrel 3 and the lifting plate 6 are fixedly provided with a material taking pipe and a feeding pipe respectively, the same elastic telescopic pipe is connected between the material taking pipe and the feeding pump 7 and the feeding pipe is communicated with the feeding pump 7, the upper die 81 is fixedly provided with a connecting pipe, the connecting pipe and the feeding pipe are connected with one movable joint, the inner wall of the top of the supporting box 1 is fixedly provided with a U-shaped block, the U-shaped block is rotatably provided with a ball screw 9, the top end of the ball screw 9 is fixedly connected with the lifting plate 6, the bottom ends of the ball screw 9 and the driving shaft 31 are fixedly sleeved with belt wheels 91, and the two belt wheels 91 are in transmission connection with one belt.

In this embodiment, the top side fixed mounting of last mould 81 has mounting panel 8, and the top side fixed mounting of mounting panel 8 has the convex slider, and the convex groove has been seted up to one side of lifter plate 6, and convex slider slidable mounting is in the convex inslot, and mounting panel 8 passes through the bolt fastening on lifter plate 6 to be convenient for carry out quick assembly disassembly operation to last mould 81.

In this embodiment, the annular grooves are all seted up on the top side of supporting box 1 and the bottom side of rolling disc 4, roll and install a plurality of balls in two annular grooves to can provide stable support to rolling disc 4, and then can guarantee injection moulding's quality.

In this embodiment, a plurality of guide rods are fixedly mounted on the top side of the lifting plate 6, and the plurality of guide rods are slidably connected with the two fixing plates, so that the lifting plate 6 can be stably lifted.

The ball screw 9 consists of a screw, a nut, a steel ball, a pre-pressing piece, a reverser and a dust collector, and is used for converting rotary motion into linear motion according to national standard GB/T17587.3-1998 and application examples (basically replaced by a trapezoidal screw and commonly known as a screw); or an executive component which converts linear motion into rotary motion, and has high transmission efficiency, accurate positioning and the like.

Compared with the prior art, the utility model has the technical advantages that: firstly, a power supply is connected, plastic particles are put into a charging basket 3, the plastic particles are heated and melted under the action of an electric heating plate 32, a lifting plate 6 is controlled to move downwards through a hydraulic cylinder 61, an upper die 81 is inserted into a lower die 41 right below the plastic particles, a ball screw 9 is controlled to move downwards in the moving process of the lifting plate 6, a driving shaft 31 is controlled to rotate through a belt wheel 91 and a belt, a plurality of stirring rods are further used for stirring materials melted in the charging basket 3, after the upper die 81 is inserted into the lower die 41 and a sealing sleeve 82 is in sealing abutting connection with the top side of the lower die 41, the melted materials are extracted from the charging basket 3 through a feeding pump 7 and are injected into a position between the lower die 41 and the upper die 81, thus injection molding operation can be carried out, the upper die 81 is controlled to move upwards after injection molding is finished, under the effect of lifter plate 6 can make ball screw 9 cooperate band pulley 91, belt and drive shaft 31 control puddler to continue to stir the operation to the material that melts, go up the mould 81 and break away from the back with lower mould 41, start servo motor 5, servo motor 5 drives the rotation dish 4 through driving gear 51 and inner fluted disc 52 and rotates, thereby can move the lower mould 41 that is equipped with the injection molding piece, simultaneously remove the lower mould 41 that is adjacent under last mould 81, then continue above-mentioned operation, along with the rotation of rotation dish 4, can make the injection molding piece in the lower mould 41 ejecting under the cooperation of holding ring 44, push rod 43 and push pedal 42, thereby the unloading operation is carried out conveniently, when need dismantle to go up mould 81, first through the loose joint release the connection between conveying pipe and the connecting pipe, then the bolt is rotated and the mounting panel 8 is pulled to the right, thereby can pull down last mould 81 fast.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an injection molding machine, its characterized in that, including supporting box (1), storage bucket (3), U-shaped board (2) and rolling disc (4), storage bucket (3) and U-shaped board (2) are all fixed mounting at the top of supporting box (1), be provided with stirring subassembly in storage bucket (3), and fixed mounting has electric plate (32) on storage bucket (3), the top of supporting box (1) rotates and installs the supporting pin, rolling disc (4) fixed mounting is on the top of supporting pin, be provided with the driving piece in supporting box (1), and the driving piece is connected with rolling disc (4), be provided with a plurality of lower bolster (41) for central fixed mounting on rolling disc (4) based on the supporting pin, be provided with same unloading subassembly in a plurality of lower bolster (41), and unloading subassembly is connected with supporting box (1), one side fixed mounting of U-shaped board (2) has two fixed plates, and fixed mounting has same pneumatic cylinder (61) on two fixed plates, the bottom fixed mounting of pneumatic cylinder (61) has lifter plate (6), lifter plate (6) are installed on lifter plate (6), lifter plate (6) are connected with the fixed mounting and take out on lifter plate (6) and lifter plate (7) are fixed with each other, lifter plate (7) are connected with the feeding tube respectively, and the conveying pipe is communicated with the feeding pump (7), a connecting pipe is fixedly arranged on the upper die (81), the connecting pipe and the conveying pipe are connected with one movable joint, a transmission assembly is arranged on the inner wall of the top of the supporting box (1), and the transmission assembly is connected with the lifting plate (6) and the stirring assembly.

2. An injection molding machine according to claim 1, wherein the stirring assembly comprises a driving shaft (31) and a plurality of stirring rods, the same driving shaft (31) is rotatably mounted on the top inner wall and the bottom inner wall of the charging basket (3), and the plurality of stirring rods are fixedly mounted on the driving shaft (31) in a radial direction.

3. An injection molding machine according to claim 2, characterized in that the transmission assembly comprises a ball screw (9), a U-shaped block, a belt and two belt wheels (91), the U-shaped block is fixedly mounted on the inner wall of the top of the supporting box (1), the ball screw (9) is rotatably mounted on the U-shaped block, the top end of the ball screw (9) is fixedly connected with the lifting plate (6), the belt wheels (91) are fixedly sleeved at the bottom ends of the ball screw (9) and the driving shaft (31), and the two belt wheels (91) are connected with the same belt in a transmission manner.

4. An injection molding machine according to claim 1, characterized in that the driving member comprises a servo motor (5), a driving gear (51) and an inner toothed disc (52), the inner toothed disc (52) is fixedly mounted on the bottom side of the rotating disc (4) based on a supporting pin as the center, the servo motor (5) is fixedly mounted on the inner wall of the top of the supporting box (1), the output shaft of the servo motor (5) extends to the upper side of the supporting box (1) and is fixedly sleeved with the driving gear (51), and the driving gear (51) is meshed with the inner toothed disc (52).

5. The injection molding machine according to claim 1, wherein the unloading assembly comprises a supporting ring (44), a plurality of pushing plates (42) and a plurality of pushing rods (43), the supporting ring (44) is fixedly installed on the top of the supporting box (1) based on supporting pins as the center, the top surface of the supporting ring (44) is arranged in a left-low right-high mode, the pushing plates (42) are slidably installed in the plurality of lower dies (41), the pushing rods (43) are fixedly installed on the bottom sides of the plurality of pushing plates (42), and the bottom ends of the plurality of pushing rods (43) extend to the lower side of the rotating disc (4) and are respectively abutted against the top sides of the supporting ring (44).

6. An injection molding machine according to claim 1, characterized in that the top side of the upper die (81) is fixedly provided with a mounting plate (8), the top side of the mounting plate (8) is fixedly provided with a convex slide block, one side of the lifting plate (6) is provided with a convex groove, the convex slide block is slidably mounted in the convex groove, and the mounting plate (8) is fixed on the lifting plate (6) through bolts.

7. An injection molding machine according to claim 1, characterized in that the top side of the supporting box (1) and the bottom side of the rotating disc (4) are provided with annular grooves, and a plurality of balls are arranged in the two annular grooves in a rolling manner.

8. An injection moulding machine according to claim 1, characterized in that the top side of the lifting plate (6) is fixedly provided with a plurality of guide bars, which are each in sliding connection with two fixing plates.