CN108115910A - A uniform heating and high-efficiency plasticizing injection molding mechanism and its working process - Google Patents

Abstract

The invention discloses a uniformly-heated efficient plasticizing injection molding mechanism which comprises a baffle plate, wherein the top and the bottom of one side of the baffle plate are fixedly connected with a telescopic cylinder, one side of the telescopic cylinder is fixedly connected with a fixed plate, the middle part of one side of the baffle plate is fixedly connected with a motor through a connecting plate, an output shaft of the motor is fixedly connected with a first rotating shaft, one end of the first rotating shaft penetrates through the fixed plate and extends to one side of the fixed plate, a heating box penetrates through one end of the first rotating shaft, and a squeezing plate penetrates through one end of the first rotating shaft, which is positioned in the heating box. This mechanism is moulded plastics to even high-efficient plastify of heating and work flow thereof has solved current plastify equipment of moulding plastics, because the rotational speed of heating screw rod receives the influence of plastic solution viscosity and safe angle, and the rotational speed of heating screw rod is lower, and the plastic of plastify can not intensive mixing, the poor problem of plastify homogeneity.

Description

A uniform heating and high-efficiency plasticizing injection molding mechanism and its working process

technical field

The invention relates to the technical field of plasticizing and injection molding equipment, in particular to a uniform heating and high-efficiency plasticizing and injection molding mechanism and its working process.

Background technique

Injection molding, also known as injection molding, is a molding method of injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automatic operation, various designs and colors, simple to complex shapes, large to small sizes, accurate product sizes, easy replacement of products, and complex shapes. Parts, injection molding is suitable for mass production and complex-shaped products and other molding processing fields. At a certain temperature, the completely molten plastic material is stirred by a screw, injected into the mold cavity with high pressure, and after cooling and solidification, the molded product is obtained. This method is suitable for mass production of parts with complex shapes and is one of the important processing methods.

Injection molding machine, referred to as injection machine or injection molding machine, is the main molding equipment for making thermoplastic or thermosetting materials into various shapes of plastic products with plastic molding molds. Injection molding is realized through injection molding machines and molds. Plastic injection molding equipment, because the rotation speed of the heating screw is affected by the viscosity of the plastic solution and the safety angle, the rotation speed of the heating screw is low, the plasticized plastic cannot be fully stirred, and the plasticization uniformity is poor. In order to fully plasticize, some In the prior art, the plasticizing efficiency and uniformity are improved by increasing the length of the screw, but limited by the volume of the heating chamber, the effect of this design is not obvious and the efficiency is low.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a uniform heating and high-efficiency plasticizing injection molding mechanism and its working process, which solves the problem that the rotation speed of the heating screw is affected by the viscosity of the plastic solution and the safety angle of the existing plasticizing injection molding equipment. Due to the influence of the heating screw, the rotation speed of the heating screw is low, the plasticized plastic cannot be fully stirred, and the uniformity of plasticization is poor.

In order to achieve the above purpose, the present invention is achieved through the following technical proposals: a uniform heating and high-efficiency plasticizing injection molding mechanism, including a baffle, a telescopic cylinder is fixedly connected to the top and bottom of one side of the baffle, and one of the telescopic cylinders The side is fixedly connected with a fixed plate, the middle part of one side of the baffle is fixedly connected with a motor through the connecting plate, and the output shaft of the motor is fixedly connected with a first rotating shaft, one end of the first rotating shaft passes through the fixed plate and extends to the fixed One side of the plate, one end of the first rotating shaft runs through a heating box, and one end of the first rotating shaft inside the heating box runs through an extruded plate, and one end of the first rotating shaft is fixedly connected to a second rotating shaft through a connecting plate, And the surface of the second rotating shaft is fixedly connected with a vibrating device, the top and bottom of the inner wall of the heating box are fixedly connected with an electric heating plate, and both ends of the extruding plate are slidingly connected with the electric heating plate, and the two motors are heated A tapered funnel is fixedly connected between the opposite sides of the plate, and one end of the tapered funnel runs through one side of the heating box and extends to the outside of the heating box, and one end of the tapered funnel outside the heating box is fixedly connected with a discharge mouth.

Preferably, the vibrating device includes a first vibrating plate, the bottom of the first vibrating plate is fixedly connected to the surface of the second rotating shaft, and vibrators are fixedly connected to both ends of one side of the first vibrating plate, and the vibrating One side of the device is fixedly connected with a second vibrating plate, and the bottom of the second vibrating plate is fixedly connected with the surface of the second rotating shaft.

Preferably, the middle parts of the first vibrating plate and the second vibrating plate are both provided with filter nets.

Preferably, an extrusion rod is fixedly connected to the top and bottom of one side of the extrusion plate, and one end of the extrusion rod passes through one side of the heating box and extends to the outside of the heating box. One end outside the box is fixedly connected to one side of the fixing plate.

Preferably, a spring is fixedly connected between the heating box and the fixing plate and on the surface of the extruding rod.

Preferably, a feeding pipe is connected to one side of the top of the heating box, and an electromagnetic valve is fixedly connected to the inside of the feeding pipe, and a feeding nozzle is fixedly connected to one end of the feeding pipe outside the heating box.

Preferably, the bottom of the baffle is fixedly connected with a bottom plate, and both sides of the bottom of the bottom plate are fixedly connected with feet.

Preferably, the bottom of the heating box is fixedly connected with a base, and the bottom of the base is fixedly connected with the top of the bottom plate.

The invention also discloses a working process of uniform heating and high-efficiency plasticizing injection molding mechanism, which specifically includes the following steps:

S1. First open the electromagnetic valve, and pour the raw material into the heating box from the feed pipe through the feed nozzle;

S2, then close the electromagnetic valve, start the motor, and the first rotating shaft starts to rotate under the drive of the motor, so that the second rotating shaft also starts to rotate, driving the vibrating device to start rotating;

S3. The vibrating device rotates to stir the raw materials inside the heating box, and then starts the switch of the vibrator to make the vibrator start vibrating, driving the first vibrating plate and the second vibrating plate to vibrate;

S4, then start the electric heating plate again, start to heat the raw material inside the heating box, through the rotation of the second rotating shaft, and the vibration of the vibrating device, the raw material is heated more evenly in the heating box;

S5. After the heating of the raw materials is completed, turn off the motor, the vibrator and the electric heating plate in sequence. During injection molding, first start the telescopic cylinder, and push the extrusion rod to start moving through the expansion and contraction of the telescopic cylinder;

S6. The extrusion rod moves to push the extrusion plate to move, and the raw material is injected into the mold from the discharge nozzle through the tapered funnel;

S7. Close the telescopic cylinder after the work is finished.

The invention provides a uniform heating and high-efficiency plasticizing injection molding mechanism and its working process. Has the following beneficial effects:

(1) The uniform heating and high-efficiency plasticizing injection molding mechanism and its working process, through the fixed connection of the telescopic cylinder on the top and the bottom of one side of the baffle, and the fixed connection of the fixed plate on one side of the telescopic cylinder, uniform heating and high-efficiency molding The middle part of one side of the baffle plate of the injection molding mechanism is fixedly connected to the motor through the connecting plate, and the output shaft of the motor is fixedly connected to the first rotating shaft. One end of the first rotating shaft of the injection molding mechanism runs through the fixing plate and extends to the fixing plate for uniform heating and high-efficiency plasticization. One side of the first rotating shaft of the injection molding mechanism for uniform heating and high-efficiency plasticization runs through a heating box, and one end of the first rotating shaft inside the heating box runs through an extrusion plate, and one end of the first rotating shaft of the injection molding mechanism for uniform heating and high-efficiency plasticization passes through The connecting plate is fixedly connected with the second rotating shaft, and the surface of the second rotating shaft is fixedly connected with a vibrating device, and the top and bottom of the inner wall of the heating box of the injection molding mechanism are fixedly connected with electric heating plates for uniform heating and high-efficiency plasticization, and the two extrusion plates Both ends are slidingly connected with the electric heating plate, which solves the problem of the existing plasticizing injection molding equipment. Because the rotation speed of the heating screw is affected by the viscosity of the plastic solution and the safety angle, the rotation speed of the heating screw is low, and the plasticized plastic does not It can be fully stirred, and the plasticizing uniformity is poor.

(2) The uniform heating and high-efficiency plasticizing injection molding mechanism and its working process are fixedly connected with an electric heating plate on the top and bottom of the inner wall of the heating box, and both ends of the extruding plate are slidingly connected with the electric heating plate. A tapered funnel is fixedly connected between the opposite sides of the two motor heat plates, and one end of the tapered funnel runs through one side of the heating box and extends to the outside of the heating box, and one end of the tapered funnel outside the heating box is fixedly connected with an outlet. The feed nozzle can heat the raw materials inside the heating box, because the heating plate is fixed in the heating box, which effectively reduces the loss of heat during heating, improves the utilization efficiency of heat, reduces the time required for heating, and improves the working efficiency. efficiency.

(3) The uniform heating and high-efficiency plasticizing injection molding mechanism and its working process are fixedly connected with an extrusion rod on the top and bottom of one side of the extrusion plate, and one end of the extrusion rod runs through one side of the heating box and extends to On the outside of the heating box, one end of the extruding rod located outside the heating box is fixedly connected to one side of the fixed plate, and a spring is fixedly connected between the heating box and the fixed plate and on the surface of the extruding rod, which can be activated when the device is working. To better cushioning effect, effectively protect the equipment, improve the service life of the equipment.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a structural schematic diagram of the vibrating device of the present invention.

In the figure: 1 baffle plate, 2 telescopic cylinder, 3 fixed plate, 4 motor, 5 first rotating shaft, 6 heating box, 7 extrusion plate, 8 second rotating shaft, 9 vibrating device, 91 first vibrating plate, 92 vibrator , 93 second vibration plate, 94 filter screen, 10 motor heating plate, 11 conical funnel, 12 discharge nozzle, 13 extrusion rod, 14 spring, 15 feed pipe, 16 electromagnetic valve, 17 feed nozzle, 18 base plate , 19 feet, 20 bases.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-2, the present invention provides a technical solution: a uniform heating and high-efficiency plasticizing injection molding mechanism, including a baffle 1, the bottom of the baffle 1 is fixedly connected with a bottom plate 18, and both sides of the bottom of the bottom plate 18 are fixed Connected with feet 19, the top and bottom of one side of the baffle plate 1 are fixedly connected with a telescopic cylinder 2, and one side of the telescopic cylinder 2 is fixedly connected with a fixed plate 3, and the middle part of one side of the baffle plate 1 is fixedly connected with a connecting plate. The motor 4, and the output shaft of the motor 4 is fixedly connected with the first rotating shaft 5, one end of the first rotating shaft 5 runs through the fixed plate 3, and extends to one side of the fixed plate 3, and one end of the first rotating shaft 5 runs through the heating box 6, And one end of the first rotating shaft 5 located inside the heating box 6 is penetrated with an extrusion plate 7, and one end of the first rotating shaft 5 is fixedly connected with a second rotating shaft 8 through a connecting plate, and the surface of the second rotating shaft 8 is fixedly connected with a vibrating device 9, The vibrating device 9 comprises a first vibrating plate 91, the bottom of the first vibrating plate 91 is fixedly connected to the surface of the second rotating shaft 8, and both ends on one side of the first vibrating plate 91 are fixedly connected with a vibrator 92, and the vibrator 92 One side is fixedly connected with the second vibrating plate 93, and the bottom of the second vibrating plate 93 is fixedly connected with the surface of the second rotating shaft 8, and the middle part of the first vibrating plate 91 and the second vibrating plate 93 is provided with a filter screen 94, heating The top and bottom of the inner wall of the box 6 are fixedly connected with an electric heating plate 10, and both ends of the extruding plate 7 are slidingly connected with the electric heating plate 10, and a cone is fixedly connected between the opposite sides of the two motor heating plates 10. shaped funnel 11, and one end of the conical funnel 11 runs through one side of the heating box 6 and extends to the outside of the heating box 6; The top and the bottom of one side are all fixedly connected with extruding rod 13, and one end of extruding rod 13 runs through one side of heating box 6 and extends to the outside of heating box 6, and extruding rod 13 is positioned at one end outside heating box 6 and is fixed. One side of the plate 3 is fixedly connected, a spring 14 is fixedly connected between the heating box 6 and the fixed plate 3 and on the surface of the extruding rod 13, and a feed pipe 15 is connected to one side of the top of the heating box 6, and the feed pipe 15 The inside of the heating box 6 is fixedly connected with an electromagnetic valve 16, the end of the feeding pipe 15 located outside the heating box 6 is fixedly connected with a feeding nozzle 17, the bottom of the heating box 6 is fixedly connected with a base 20, and the bottom of the base 20 is fixed to the top of the bottom plate 18 connect.

The invention also discloses a working process of uniform heating and high-efficiency plasticizing injection molding mechanism, which specifically includes the following steps:

S1, first open the electromagnetic valve 16, and pour the raw material into the heating box 6 from the feed pipe 15 through the feed nozzle 17;

S2, then close the electromagnetic valve 16, start the motor 4, the first rotating shaft 5 starts to rotate under the drive of the motor 4, so that the second rotating shaft 8 also starts to rotate, and drives the vibrating device 9 to start rotating;

S3, the vibrating device 9 rotates to stir the raw materials inside the heating box 6, and then starts the switch of the vibrator 92 to make the vibrator 92 start to vibrate, driving the first vibrating plate 91 and the second vibrating plate 93 to vibrate;

S4, then start the electric heating plate 10 again, start heating the raw material inside the heating box 6, through the rotation of the second rotating shaft 8, and the vibration of the vibrating device 9, the raw material is heated more evenly in the heating box 6;

S5. After the heating of the raw materials is completed, turn off the motor 4, the vibrator 92 and the electric heating plate 8 in turn. When injection molding, first start the telescopic cylinder 2, and push the extruding rod 13 to start moving through the expansion and contraction of the telescopic cylinder 2;

S6. The extrusion rod 13 moves to push the extrusion plate 7 to move, and the raw material is injected into the mold from the discharge nozzle 12 through the conical funnel 11;

S7. Close the telescopic cylinder 2 after the work is finished.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (9)

1. a kind of homogeneous heating is efficiently plasticized injecting mechanism, including baffle (1), it is characterised in that：The top of baffle (1) one side Portion has been fixedly connected with telescopic cylinder (2) with bottom, and the one side of telescopic cylinder (2) is fixedly connected with fixed plate (3), described The middle part of baffle (1) one side is fixedly connected with motor (4) by connecting plate, and the output shaft of motor (4) is fixedly connected with One shaft (5), one end of the first rotating shaft (5) extend to the one side of fixed plate (3) through fixed plate (3), and described first One end of shaft (5) is through there is a heater box (6), and first rotating shaft (5) is located at the internal one end of heater box (6) and runs through extruding Plate (7), one end of the first rotating shaft (5) are fixedly connected with the second shaft (8) by connecting plate, and the second shaft (8) Surface is fixedly connected with vibrating device (9), and the top and bottom of heater box (6) inner wall has been fixedly connected with electric boiling plate (10), and the both ends of stripper plate (7) are slidably connected with electric boiling plate (10), two motor hot plates (10) it is opposite one Conical hopper (11) is fixedly connected between side, and one end of conical hopper (11) is through the one side of heater box (6) and extension To the outside of heater box (6), the conical hopper (11) is located at the external one end of heater box (6) and is fixedly connected with discharging gate (12)。

2. a kind of homogeneous heating according to claim 1 is efficiently plasticized injecting mechanism, it is characterised in that：The vibrating device (9) the first oscillating plate (91) is included, the bottom of first oscillating plate (91) is fixedly connected with the surface of the second shaft (8), and And first the both ends of oscillating plate (91) one side be fixedly connected with vibrator (92), the one side of the vibrator (92) is fixedly connected There is the second oscillating plate (93), and the bottom of the second oscillating plate (93) is fixedly connected with the surface of the second shaft (8).

3. a kind of homogeneous heating according to claim 2 is efficiently plasticized injecting mechanism, it is characterised in that：First vibration Plate (91) in the middle part of the second oscillating plate (93) with being both provided with filter screen (94).

4. a kind of homogeneous heating according to claim 1 is efficiently plasticized injecting mechanism, it is characterised in that：The stripper plate (7) top and bottom of one side has been fixedly connected with pressure ram (13), and one end of the pressure ram (13) is through heater box (6) One side and the outside for extending to heater box (6), the pressure ram (13) are located at the external one end of heater box (6) and fixed plate (3) One side be fixedly connected.

5. a kind of homogeneous heating according to claim 1 is efficiently plasticized injecting mechanism, it is characterised in that：The heater box (6) it is fixedly connected with spring (14) between fixed plate (3) and positioned at the surface of pressure ram (13).

6. a kind of homogeneous heating according to claim 1 is efficiently plasticized injecting mechanism, it is characterised in that：The heater box (6) one side at the top of is communicated with feed pipe (15), and the inside of feed pipe (15) is fixedly connected with electromagnetic valve (16), described Feed pipe (15) is located at the external one end of heater box (6) and is fixedly connected with feed nozzle (17).

7. a kind of homogeneous heating according to claim 1 is efficiently plasticized injecting mechanism, it is characterised in that：The baffle (1) Bottom be fixedly connected with bottom plate (18), and the both sides of bottom plate (18) bottom have been fixedly connected with footing (19).

8. a kind of homogeneous heating according to claim 1 is efficiently plasticized injecting mechanism, it is characterised in that：The heater box (6) bottom is fixedly connected with pedestal (20), and the bottom of pedestal (20) at the top of bottom plate (18) with being fixedly connected.

9. a kind of homogeneous heating is efficiently plasticized the workflow of injecting mechanism, which is characterized in that specifically includes following steps：

S1, electromagnetic valve (16) is first turned on, raw material is poured into from feed pipe (15) in heater box (6) from by feed nozzle (17) Portion；

S2, electromagnetic valve (16) being then shut off, starts motor (4), first rotating shaft (5) starts to rotate under the drive of motor (4), So that the second shaft (8) also begins to rotate, vibrating device (9) is driven to start to rotate；

S3, vibrating device (9) rotate the raw material internal to heater box (6) and are stirred, then the switch of Vibration on Start-up device (92), Vibrator (92) is made to start to vibrate, the first oscillating plate (91) and the second oscillating plate (93) is driven to start to vibrate；

S4 and then restart electric boiling plate (10), start the raw material internal to heater box (6) and heat, pass through the second shaft (8) rotation and the vibration of vibrating device (9), raw material are uniformly heated in heater box (6)；

S5, after treating that raw material heating is completed, motor (4), vibrator (92) and electric boiling plate (8) are closed successively, it is first in injection First start telescopic cylinder (2), start to move by the flexible promotion pressure ram (13) of telescopic cylinder (2)；

S6, pressure ram (13) are mobile so as to promote stripper plate (7) mobile, by raw material by conical hopper (11) from discharging gate (12), it is injected into mould inside；

S7, telescopic cylinder (2) is closed afterwards to the end of work.