CN210525777U

CN210525777U - Domestic plastic product forming machine with replaceable mold

Info

Publication number: CN210525777U
Application number: CN201920499495.5U
Authority: CN
Inventors: 刘贞根
Original assignee: Shaoxing Mingjun Hardware Products Co Ltd
Current assignee: Shaoxing Mingjun Hardware Products Co Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-05-15
Anticipated expiration: 2029-04-12

Abstract

The utility model relates to a plastic processing technology field. Aims to provide a convenient-to-use plastic product forming machine with a replaceable mold. The utility model adopts the technical proposal that: a daily plastic product forming machine with a replaceable mold comprises a screw extruder main body, wherein a feed hopper is arranged at the right end of the top of the main body, an extrusion pipe is arranged in the center of the left end face of the main body, the mold is cylindrical and extends along the left-right direction, and a cavity penetrating through the two ends of the mold is arranged in the center of the mold; the left end face of the extrusion pipe is provided with a stepped positioning shoulder, the positioning shoulder is matched with the outer edge of the die, and the right end of the die is inserted into the shoulder; a plurality of positioning notches are uniformly arranged on the left end face of the die in an annular shape, a linear motor which stretches along the left-right direction is arranged, and the output end of the linear motor is fixedly connected with the synchronizing ring. The utility model discloses can be quick carry out the change of mould, and the stability of mould is good, and it is very convenient to use.

Description

Domestic plastic product forming machine with replaceable mold

Technical Field

The utility model relates to a plastic processing technology field, concretely relates to removable mould's daily plastic products make-up machine.

Background

The plastic bar is a plastic product widely used in daily life, and the processing mode of the plastic bar is extrusion molding, namely, raw materials are put into a screw extruder, plastic is heated to a molten state in the screw extruder and then is extruded through a die arranged at an extrusion port, and the subsequent steps of cooling, shaping, cutting and the like are carried out to complete the processing of the product. However, in the extruder in the prior art, the die is fixedly installed at the extrusion port, cannot be replaced, has poor universality, and cannot adapt to processing of plastic bars with different diameters.

Disclosure of Invention

An object of the utility model is to provide a convenient to use's daily plastic products make-up machine of removable mould.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows: a daily plastic product forming machine with a replaceable mold comprises a screw extruder main body, wherein a feed hopper is arranged at the right end of the top of the main body, an extrusion pipe is arranged in the center of the left end face of the main body, and a mold is installed at the extrusion pipe;

the die is cylindrical and extends along the left and right directions, and a cavity penetrating through two ends of the die is arranged in the center of the die; the left end face of the extrusion pipe is provided with a stepped positioning shoulder, the positioning shoulder is matched with the outer edge of the die, and the right end of the die is inserted into the positioning shoulder; a plurality of positioning notches are uniformly arranged on the left end surface of the die in an annular shape;

the clamping device is characterized by further comprising a fastening assembly, wherein the fastening assembly comprises a synchronizing ring and a plurality of positioning blocks matched with the positioning notches, the synchronizing ring is matched with the extrusion pipe and sleeved outside the extrusion pipe, and the positioning blocks are clamped in the positioning notches and fixedly connected with the synchronizing ring through connecting rods; the left end face of the main body is fixedly provided with a linear motor which stretches out and draws back along the left-right direction, and the output end of the linear motor is fixedly connected with the synchronizing ring.

Preferably, the positioning notch is triangular.

Preferably, a plurality of guide rods extending in the left-right direction are annularly distributed on the periphery of the extrusion pipe, and two ends of each guide rod are fixedly connected with the positioning shoulder and the left end face of the main body respectively; the synchronizer ring is correspondingly provided with a plurality of through holes matched with the guide rods, and the guide rods penetrate through the through holes.

The beneficial effects of the utility model are concentrated and appear, the change of carrying out the mould that can be quick, and the stability of mould is good, and it is very convenient to use. Particularly, the utility model discloses generally there are a plurality of moulds, and each mould is except that the die cavity size is different, other identical. In the using process, firstly, the die is installed, and the steps are as follows: the linear motor stretches out to drive the synchronous ring to move leftwards, the synchronous ring drives the connecting rod to move leftwards, then the inner end of the mold is inserted into the positioning shoulder, the positioning notch at the left end of the mold is aligned to the positioning block at the end part of the connecting rod, the linear motor retracts to drive the synchronous ring and the connecting rod to move rightwards, and finally the positioning block is clamped into the positioning notch to position the mold, so that the stability is excellent. After the die is installed, the raw materials are added into the screw extruder main body through the feed hopper, are heated to a molten state, are finally extruded through the extrusion pipe, and are formed into bars through the die. When the bar with other sizes needs to be extruded, a die with a different cavity size is replaced. The utility model discloses simple structure, simple operation, change mould that can be quick, the commonality is extremely strong.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the structure shown in FIG. 2 with the mold removed;

fig. 4 is a left side view of the mold of fig. 2.

Detailed Description

Combine the daily plastic products make-up machine of removable mould 4 that fig. 1-4 show, including screw extruder main part 1, the right-hand member at main part 1 top sets up feeder hopper 2, and the center of main part 1 left end face sets up extrusion pipe 3, mould 4 is installed to extrusion pipe 3 department, and the right-hand member of main part 1 sets up the driving motor of screw rod, above being prior art, no longer gives unnecessary details here.

Mould 4 is cylindrical and extends along left right direction, and the center of mould 4 is provided with the die cavity 5 that runs through 4 both ends of mould, the utility model discloses generally there are a plurality of moulds 4, and each mould 4 is except that 5 sizes of die cavity are different, all the other structures are the same completely. The left end face of the extrusion pipe 3 is provided with a stepped positioning shoulder 6, the positioning shoulder 6 is matched with the outer edge of the die 4, the right end of the die 4 is inserted into the positioning shoulder 6, and the right end of the die 4 is limited through a stepped structure in the positioning shoulder 6, so that first repositioning is realized. In addition, be the annular on the left end face of mould 4 and evenly be provided with a plurality of location breach 7, location breach 7 is used for forming the second relocation to mould 4.

About the use of location breach 7, the utility model discloses still include fastening components, fastening components includes synchronizing ring 8 and a plurality of and location breach 7 matched with locating piece 9. The positioning gap 7 and the positioning block 9 can be in various shapes such as triangle, rectangle, square and drop shape, wherein the preferred shape is triangle, and the structure is more stable. Synchronizer ring 8 with extrude 3 looks adaptations of pipe and cover and establish outside extrusion pipe 3, synchronizer ring 8 with extrude pipe 3 and constitute sliding fit, 9 blocks of locating piece are established in location breach 7 and through connecting

rod

10 and 8 rigid couplings of synchronizer ring, and connecting rod 10 is generally along the straight-bar of controlling the direction extension, and certainly also can be a contained angle for obtuse turning arm.

The left end face of the main body 1 is fixedly provided with a linear motor 11 which stretches along the left-right direction, the output end of the linear motor 11 is fixedly connected with the synchronizing ring 8, and the synchronizing ring 8 is driven by the linear motor 11. In order to further improve the stability of synchronizer ring 8, the utility model discloses can also the periphery of extrusion pipe 3 is that the annular distributes and has many guide bars 12 that extend along left right direction, the both ends of guide bar 12 respectively with the left end face rigid coupling of location shoulder 6 and main part 1. The synchronizer ring 8 is correspondingly provided with a plurality of through holes matched with the guide rods 12, and the guide rods 12 are arranged in the through holes in a penetrating mode.

In the using process, the die 4 is firstly installed, and the steps are as follows: the linear motor 11 extends out to drive the synchronous ring 8 to move leftwards, the synchronous ring 8 drives the connecting rod 10 to move leftwards, then the inner end of the mold 4 is inserted into the positioning shoulder 6, the positioning notch 7 at the left end of the mold is aligned to the positioning block 9 at the end part of the connecting rod 10, the linear motor 11 retracts to drive the synchronous ring 8 and the connecting rod 10 to move rightwards, and finally the positioning block 9 is clamped into the positioning notch 7 to position the mold 4, so that the stability is excellent. After the die 4 is installed, the raw materials are added into the screw extruder main body 1 through the feed hopper 2, heated to a molten state, finally extruded through the extrusion pipe 3, and formed into a bar through the die 4. When the bar with other sizes needs to be extruded, the die 4 with a different cavity size is replaced. The utility model discloses simple structure, simple operation, change mould 4 that can be quick, the commonality is extremely strong.

Claims

1. A daily plastic product forming machine with a replaceable mold comprises a screw extruder main body (1), wherein a feed hopper (2) is arranged at the right end of the top of the main body (1), an extrusion pipe (3) is arranged at the center of the left end face of the main body (1), and a mold (4) is installed at the extrusion pipe (3);

the method is characterized in that: the die (4) is cylindrical and extends along the left-right direction, and a cavity (5) penetrating through two ends of the die (4) is arranged in the center of the die (4); a stepped positioning shoulder (6) is arranged on the left end face of the extrusion pipe (3), the positioning shoulder (6) is matched with the outer edge of the die (4), and the right end of the die (4) is inserted into the positioning shoulder (6); a plurality of positioning notches (7) are uniformly arranged on the left end surface of the die (4) in an annular shape;

the device is characterized by further comprising a fastening assembly, wherein the fastening assembly comprises a synchronizing ring (8) and a plurality of positioning blocks (9) matched with the positioning notches (7), the synchronizing ring (8) is matched with the extrusion pipe (3) and sleeved outside the extrusion pipe (3), and the positioning blocks (9) are clamped in the positioning notches (7) and fixedly connected with the synchronizing ring (8) through connecting rods (10); the left end face of the main body (1) is fixedly provided with a linear motor (11) which stretches out and draws back along the left-right direction, and the output end of the linear motor (11) is fixedly connected with the synchronizing ring (8).

2. The molding machine for daily use plastic products with replaceable molds according to claim 1, wherein: the positioning notch (7) is triangular.

3. The molding machine for daily use plastic products with replaceable molds according to claim 2, wherein: a plurality of guide rods (12) extending in the left-right direction are annularly distributed on the periphery of the extrusion pipe (3), and two ends of each guide rod (12) are fixedly connected with the positioning shoulder (6) and the left end face of the main body (1) respectively; the synchronizer ring (8) is correspondingly provided with a plurality of through holes matched with the guide rods (12), and the guide rods (12) are arranged in the through holes in a penetrating mode.