CN215969998U

CN215969998U - Extrusion die quick die change assembly and extruder

Info

Publication number: CN215969998U
Application number: CN202121787929.5U
Authority: CN
Inventors: 张笑地; 周彬
Original assignee: GUANGZHOU DONGHAI MINFU AUTO PARTS CO Ltd
Current assignee: GUANGZHOU DONGHAI MINFU AUTO PARTS CO Ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-03-08
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a rapid die change component of an extrusion die and an extruder, wherein the rapid die change component of the extrusion die comprises a fixed base; the base is rotationally connected with the fixed base; at least one fastener through which the base is restrained from rotation; and the support frames are provided with butt joint ends for fixing the die, the support frames are arranged on the base, and the support frames are distributed in a circumferential array along the rotating center of the base. When the extrusion die on one support frame is used for extrusion production, the other extrusion die can be installed and preheated on the other support frame, when die change is needed, the limitation on the base is loosened, the extrusion die prepared in advance is rotated to the correct position and then the base is fixed, and then the extrusion production of the other automobile decorative strip can be rapidly carried out.

Description

Extrusion die quick die change assembly and extruder

Technical Field

The utility model relates to the technical field of quick change structures of extrusion dies, in particular to a quick change assembly of an extrusion die and an extruder.

Background

At present, the automobile decoration strips are various in types, the equipment cost of production line machines is saved, the extrusion production of different automobile decoration strips can be met, a plurality of products are produced every day by one automobile decoration strip extrusion production line, corresponding extrusion dies are different when the products are different, therefore, the extrusion dies need to be frequently replaced in a production field, the dies need to be heated to a process set temperature after being replaced, the heating time of the dies needs to be at least more than 0.5h after being waited, and the great waste of die replacement working hours exists.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, the embodiment of the utility model provides an extrusion die quick die change assembly and an extruder, which can avoid time waste on die change waiting and die heating in the production process of a trim extrusion die, effectively improve the utilization efficiency of extrusion production time and reduce the waste of die change working hours.

According to a first aspect of the present invention, there is provided an extrusion die quick-change assembly, comprising a fixed base; the base is rotatably connected with the fixed base; at least one fastener through which rotation of the base is restricted; the supporting frames are provided with butt joint ends used for fixing the die, the supporting frames are installed on the base, and the supporting frames are distributed in a circumferential array mode along the rotating center of the base.

The quick die change assembly of the extrusion die at least has the following beneficial effects: the base is rotationally connected to the fixed base, the rotation of the base is limited by arranging at least one fastener, wherein at least two support frames are arranged on the base, the support frames can rotate along the base, the support frames are distributed along the rotation center of the base in a circumferential array, when the extrusion production is carried out, an extrusion die is arranged at the butt joint end of one support frame, when the production of an extrusion product of the extrusion die is almost as good as that of the other support frame, the other extrusion die can be arranged at the butt joint end of the other support frame in advance, the mounted extrusion die is preheated, when the die can be changed, the fastener is loosened, the base is rotated, the extrusion die preheated in advance is rotated to the correct position and is butted with an extrusion pipe of an extruder, the rotation of the base is limited by the fastener, then the production can be started, and the die change is not required to wait, the extrusion die which needs to be replaced can be installed in advance, preheating can be carried out in advance, time waste is avoided when die change waiting and die heating are carried out, the utilization efficiency of extrusion production time is effectively improved, and waste of die change working hours is reduced.

According to the extrusion die quick die change assembly of the first aspect of the utility model, the fastening member is a pin, the base is provided with at least two first positioning holes matched with the pin, one surface of the fixing base facing the base is provided with at least two second positioning holes matched with the pin, the first positioning holes and the second positioning holes are distributed in a circumferential array along the rotation center of the base, and the fastening member is sequentially inserted into the first positioning holes and the second positioning holes to position and fix the base.

According to the rapid die change assembly for the extrusion die in the first aspect of the utility model, the first positioning holes, the second positioning holes and the supporting frames are arranged in the same number.

According to the extrusion die quick die change assembly in the first aspect of the present invention, a lug is convexly disposed on a side surface of the base, and the first positioning hole is opened in the lug.

According to the extrusion die quick die change assembly, a bearing is embedded in one surface, facing the fixed base, of the base, a connecting shaft is arranged on one surface, facing the base, of the fixed base, and the connecting shaft is in transition fit with an inner ring of the bearing.

According to the extrusion die quick-change assembly of the first aspect of the present invention, the bearing is a turntable bearing.

According to the extrusion die quick die change assembly of the first aspect of the present invention, the base is provided with a plurality of supporting plates for supporting the die near the butt joint end.

According to the extrusion die quick die change assembly of the first aspect of the utility model, the supporting frame is further provided with a baffle plate for positioning the die.

According to a second aspect of the present invention, there is provided an extruder comprising the extrusion die rapid die change assembly according to the first aspect.

The extruder at least has the following beneficial effects: when the extrusion die on one support frame is used for extrusion production, the other extrusion die can be installed and preheated on the other support frame, the extrusion die needing to be replaced is prepared in advance, when the die is required to be replaced, the limit on the base is released, the extrusion die prepared in advance is rotated to the correct position and then the base is fixed, and then the extrusion production of the other automobile decorative strip can be rapidly carried out.

Drawings

The utility model is further described below with reference to the accompanying drawings and examples;

FIG. 1 is a perspective view of the structure of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 2, the extrusion die quick die change assembly of the present invention includes a fixed base 10, a base 20, and at least two support frames 21, the fixed base 10 is used as a reference for installation, one end of the base 20 is rotatably installed on the fixed base 10, and the support frames 21 are installed at the other end of the base 20, where the support frames 21 are provided with at least two, each support frame is provided with a butt end for fixing a die, and the support frames 21 are distributed in a circumferential array along a rotation center of the base 20, the support frames 21 can rotate along with the base 20, so as to rotate the support frames 21 at different positions to the same position, wherein the assembly further includes at least one fastener, and the fastener is used for limiting the rotation of the base 10. When carrying out extrusion production, extrusion tooling is installed to the butt joint end on one of them support frame 21, when the almost time of this extrusion tooling's extrusion product production, can install another kind of extrusion tooling in advance at the butt joint end of another support frame 21, and begin simultaneously and preheat the extrusion tooling who installs, when can carrying out the retooling, loosen the fastener, rotate base 20, the extrusion tooling who will preheat in advance rotates to the correct position and with the crowded material pipe butt joint of extruder back, through the rotation of fastener restriction base 20, then just can begin to produce, the retooling need not wait, can install the extrusion tooling who needs the change in advance and can preheat in advance, avoid the time waste waiting and the mould heating above retooling, promote the utilization efficiency of extrusion production time effectively, it is extravagant to reduce retooling man-hour.

Here, a bearing is embedded on a surface of the base 20 facing the fixed base 10, a connecting shaft is arranged on a surface of the fixed base 10 facing the base 20, and the connecting shaft is in transition fit with an inner ring of the bearing, so that the base 20 rotates by using the connecting shaft as a rotating shaft.

In this embodiment, the fastening member is preferably a pin, the base 20 is provided with at least two first positioning holes engaged with the pin, and one surface of the fixing base 10 facing the base 20 is provided with at least two second positioning holes engaged with the pin, wherein the first positioning holes and the second positioning holes are circumferentially distributed along a rotation center of the base 20, and the fastening member is sequentially inserted into the first positioning holes and the second positioning holes to fix the base 20. The rotation limitation of the base 20 is realized through the matching of the pins with the first positioning holes and the second positioning holes, and furthermore, as the number of the first positioning holes, the second positioning holes and the support frames 21 is the same, and the first positioning holes and the second positioning holes are distributed along the rotation center of the base 20 in a circumferential array, as can be understood by combining the attached drawings 1 and 2, after the pins are sequentially inserted into a pair of the first positioning holes and the second positioning holes, the base 20 is not moved, the position of one support frame 21 is set as a working position, when an adjacent support frame 21 needs to be moved to the working position, the pins are taken out and the base 20 is rotated, when the first positioning holes on the base 20 are aligned with the second positioning holes again, the rotation is already in place, and at the moment, the pins are reinserted into the first positioning holes and the second positioning holes, namely, the interchange of the two adjacent support frames 21 is completed, particularly, the extrusion die prepared in advance can be quickly moved to the working position when the die is changed. It should be noted that, in order to better position and limit the rotation of the base 20, it is preferable that a pin is inserted into each pair of positioning holes.

In other embodiments, the number of the supporting frames 21 may be three or more, correspondingly, in order to enable each supporting frame 21 to rotate to the same set working position and to perform positioning and fixing accurately, the number of the first positioning holes and the number of the second positioning holes correspond to the number of the supporting frames 21 one to one, and the first positioning holes and the second positioning holes are distributed in a circumferential array along the rotation center of the base 20.

Specifically, the side of the base 20 is convexly provided with the lug 24, and the first positioning hole is opened in the lug 24, so that the lug 24 does not damage the structural stability of the base 20, and the first positioning hole can be well arranged and arranged.

The base 20 is provided with a plurality of supporting plates 22 for supporting the die near the butt joint end, the supporting frame 21 is further provided with a baffle 23 for positioning the die, the arrangement position and the arrangement number of the supporting plates 22 and the baffle 23 are not specifically described and limited, and the support can be understood by combining the drawings specifically.

The extruder according to the embodiment of the present invention includes the above-mentioned fast die changing assembly of the extrusion die, wherein the schematic structural diagram of the extruder is not shown in the drawings, but the structural composition of the extruder can be clearly known to those skilled in the art.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides an extrude fast retooling subassembly of mould which characterized in that: comprises that

A fixed base (10);

a base (20), wherein the base (20) is rotatably connected with the fixed base (10);

at least one fastener through which rotation of the base (20) is restricted; and

the mould fixing device comprises at least two supporting frames (21), wherein butt joint ends used for fixing a mould are arranged on the supporting frames (21), the supporting frames (21) are installed on the base (20), and the supporting frames (21) are distributed in a circumferential array mode along the rotating center of the base (20).

2. The extrusion die rapid die change assembly of claim 1, wherein: the fastener is the pin, be equipped with on base (20) at least two with pin complex first locating hole, fixed baseplate (10) orientation be equipped with on the one side of base (20) at least two with pin complex second locating hole, wherein, first locating hole with the second locating hole all follows the rotation center of base (20) is circumference array distribution, the fastener inserts in proper order and locates first locating hole with the second locating hole is with it is right base (20) fix a position.

3. The extrusion die quick-change assembly of claim 2, wherein: the first positioning holes, the second positioning holes and the support frames (21) are arranged in the same number.

4. The extrusion die quick-change assembly of claim 2, wherein: the side surface of the base (20) is convexly provided with a lug (24), and the first positioning hole is formed in the lug (24).

5. The extrusion die rapid die change assembly of claim 1, wherein: base (20) orientation it has the bearing to inlay on the one side of fixed baseplate (10), fixed baseplate (10) orientation be equipped with the connecting axle in the one side of base (20), the connecting axle transition cooperation the inner circle of bearing.

6. The extrusion die quick-change assembly of claim 5, wherein: the bearing is a turntable bearing.

7. The extrusion die rapid die change assembly of any one of claims 1 to 6, wherein: and a plurality of supporting plates (22) for supporting the mold are arranged at the butt joint end of the base (20).

8. The extrusion die quick-change assembly of claim 7, wherein: and a baffle (23) for positioning the die is also arranged on the support frame (21).

9. An extruder, characterized in that: comprising the extrusion die rapid die change assembly of any one of claims 1 to 8.