CN221315089U

CN221315089U - Plastic plate extrusion die

Info

Publication number: CN221315089U
Application number: CN202322857829.0U
Authority: CN
Inventors: 刘松涛; 高志霞
Original assignee: Tianjin Zhongjin Product Co ltd
Current assignee: Tianjin Zhongjin Product Co ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-07-12
Anticipated expiration: 2033-10-24

Abstract

The utility model discloses a plastic plate extrusion die which comprises a lower die plate, wherein an upper die plate is arranged above the lower die plate, a feeding mechanism is arranged on one side of the upper die plate, and the plastic plate extrusion die further comprises an extrusion mechanism, and the extrusion mechanism is positioned between the upper die plate and the lower die plate. The beneficial effects are that: carry out extrusion molding to the plastics panel after moulding plastics through the subassembly, the rethread is scraped the subassembly and is carried out effectual clearance to the residual waste material on the mould inner wall after the extrusion molding uses, and then prevent that the waste material from remaining on the mould inner wall and then cause certain influence to the use of later stage, cause certain influence to the quality of later stage plastics panel production, through the cooperation with control assembly use make its device realize automatic linkage cooperation effect, improved the nimble practicality of device, improved the output quality of plastics panel.

Description

Plastic plate extrusion die

Technical Field

The utility model relates to the field of extrusion dies, in particular to a plastic plate extrusion die.

Background

Extrusion molding dies are a type of dies for molding and producing plastic products in continuous shapes, also called extrusion molding heads, and are widely applied to processing of plastic pipes, plates and the like, and are generally matched with a plastic extruder, and solid plastic is heated and melted by the plastic extruder and then is made into continuous plastic products with the cross section identical to the shape of the die through a die in a specific shape.

Through contrast patent number CN218535434U an adjustable plastic sheet design extrusion tooling, in this scheme, after extrusion molding to plastic sheet, and then can not carry out certain clearance to the mould inner wall after the extrusion molding uses, and then can remain certain waste material on the inner wall, and then can cause certain influence to the use of mould next time if not clear up, and then can influence the quality of plastic sheet extrusion molding next time, there is certain limitation.

Disclosure of utility model

The utility model aims to solve the problems and provide a plastic plate extrusion die.

The utility model realizes the above purpose through the following technical scheme:

The plastic plate extrusion die comprises a lower die plate, an upper die plate is arranged above the lower die plate, a feeding mechanism is arranged on one side of the upper die plate, and an extrusion mechanism is arranged between the upper die plate and the lower die plate;

The extrusion mechanism comprises an extrusion assembly for extrusion molding of the plate after injection molding, and a scraping assembly for scraping waste remained on the inner wall of the extruded die, wherein an injection die cavity is formed between the lower die plate and the upper die plate;

The scraping component comprises a piston plate which is arranged in the injection molding cavity in a sliding mode, a waste bin is arranged below the feeding end of the feeding mechanism, a waste plate is arranged in the waste bin in a sliding mode, a second air cylinder is arranged between the waste plate and the waste bin, a control component is arranged between the scraping component and the extrusion component, and the control component is used for controlling the scraping component to scrape residual waste on the inner wall of the upper die plate and the lower die plate.

Preferably: the extrusion assembly comprises a movable block which is slidably mounted above the upper die plate, connecting plates are arranged on two sides above the upper die plate, limiting plates are slidably arranged on two sides above the movable block, and third air cylinders are arranged between the limiting plates and the connecting plates.

Preferably: the control assembly comprises a connecting frame arranged on one side of the lower template and one side of the upper template, a top plate is slidably arranged at the bottom end of the lower template, a first air cylinder is arranged between the top plate and the lower template, a clamping plate is slidably arranged at the lower end of the connecting frame, a connecting rod is connected between the clamping plate and the top plate, and a clamping groove is formed in the lower end of the piston plate.

Preferably: both sides all are provided with the cooling storehouse around the lower bolster with the cope match-plate pattern, just the cooling storehouse is inside all to be provided with the cooling tube.

Preferably: the front side of the waste bin is slidingly provided with a cover door, and the connecting frames are connected with the upper die plate and the lower die plate through bolts.

Preferably: four buttons are arranged on the inner wall of the connecting frame, the four buttons are arranged around the center of a circle, and the piston plate is connected with the connecting frame through springs.

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

Through being provided with extrusion assembly and strike off subassembly etc., carry out extrusion molding through extrusion assembly to the plastics panel after moulding plastics, the rethread strike off the subassembly and carry out effectual clearance to the residual waste material on the mould inner wall after the extrusion molding uses, and then prevent that the waste material from remaining on the mould inner wall and then causing certain influence to the use of later stage, cause certain influence to the quality of the plastics panel production of later stage, use through the cooperation with control assembly and make its device realize automatic linkage cooperation, improved the nimble practicality of device, improved the output quality of plastics panel.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a perspective view of a plastic sheet extrusion die according to the present utility model;

FIG. 2 is a cross-sectional view showing the internal structure of a feeding mechanism of a plastic sheet extrusion die according to the present utility model;

FIG. 3 is a cross-sectional view showing the internal structure of an extrusion mechanism of a plastic sheet extrusion die according to the present utility model;

FIG. 4 is a schematic view of the structure of the inside of a waste bin of a plastic sheet extrusion die according to the present utility model;

fig. 5 is a schematic view of the structure of the inside of a cooling bin of a plastic sheet extrusion die according to the present utility model.

The reference numerals are explained as follows:

1. A lower template; 2. an upper template; 3. an extrusion mechanism; 31. a piston plate; 32. a button; 33. a cooling tube; 34. a movable block; 35. a top plate; 36. a first cylinder; 37. a connecting rod; 38. a clamping plate; 39. a second cylinder; 310. a waste plate; 311. a third cylinder; 312. a limiting plate; 4. a feed mechanism; 41. a feed frame; 42. an auger; 43. a motor; 44. an air pump; 45. discharging the material bin; 46. a solenoid valve.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus 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. Thus, a feature defining "a first", "a second", etc. may include one or more of the feature, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 in a specific case.

The utility model is further described below with reference to the accompanying drawings:

As shown in fig. 1-5, the plastic plate extrusion die comprises a lower die plate 1, an upper die plate 2, a feeding mechanism 4 for feeding materials into the die, wherein the lower die plate 1 is arranged below the upper die plate 2, the feeding mechanism 4 is positioned at one side of the upper die plate 2, the plastic plate extrusion die further comprises an extrusion mechanism 3 for extrusion molding of the injection molded plate, and the extrusion mechanism 3 is positioned between the upper die plate 2 and the lower die plate 1;

In this embodiment: the feeding mechanism 4 comprises a feeding frame 41, an auger 42, a motor 43, an air pump 44, a lower feed bin 45 and an electromagnetic valve 46, wherein the lower die plate 1 is connected with the upper die plate 2 through bolts, the feeding frame 41 is arranged on one side of the upper die plate 2 and one side of the lower die plate 1 and is connected with the lower die plate 1 and the upper die plate 2 through bolts, the auger 42 is rotatably arranged in the feeding frame 41, the lower feed bin 45 is arranged above the feeding frame 41, the electromagnetic valve 46 is fixed at the lower end of the lower feed bin 45, the air pump 44 is arranged below the feeding frame 41, the motor 43 is arranged on one side of the feeding frame 41, a large amount of heated plastic raw materials are poured into the lower feed bin 45 through opening the electromagnetic valve 46 on the lower feed bin 45 and then flow into the feeding frame 41, the motor 43 is started to drive the auger 42 to rotate, the air pump 44 is started to pressurize the inside the feeding frame 41, and then the heated plastic raw materials are conveyed to the inside an injection molding cavity in a matched manner through rotation of the auger 42, and the extrusion pressure of the raw materials is improved, and the extrusion quality of the plate is improved;

In this embodiment: the extrusion mechanism 3 comprises a piston plate 31, a button 32, a cooling tube 33, a top plate 35, a first air cylinder 36, a connecting rod 37, a clamping plate 38, a second air cylinder 39, a waste plate 310, a third air cylinder 311 and a limiting plate 312, wherein an injection cavity is enclosed between the lower die plate 1 and the upper die plate 2, the piston plate 31 is arranged in the injection cavity in a sliding manner, a connecting frame is arranged on one side of the lower die plate 1 and one side of the upper die plate 2, the connecting frame is connected with the upper die plate 2 and the lower die plate 1 through bolts, four buttons 32 are arranged on the inner wall of the connecting frame and are arranged around the center of a circle, the piston plate 31 is connected with the connecting frame through springs, cooling bins are respectively arranged on the front side and the rear side of the lower die plate 1 and the upper die plate 2, the cooling tubes 33 are respectively arranged in the cooling bins, a movable block 34 is arranged above the upper die plate 2 in a sliding manner, the top plate 35 is arranged at the bottom of the lower die plate 1, the first air cylinder 36 is arranged between the top plate 35 and the lower die plate 1, the lower end of the connecting frame is slidably provided with a clamping plate 38, a connecting rod 37 is connected between the clamping plate 38 and the top plate 35, the lower end of the piston plate 31 is provided with a clamping groove, the clamping plate 38 is convenient for limiting the piston plate 31, a waste bin is arranged below the feeding end of the feeding frame 41, a waste plate 310 is slidably arranged in the waste bin, a second cylinder 39 is arranged between the waste plate 310 and the waste bin, a cover door is slidably arranged in front of the waste bin, connecting plates are arranged on two sides above the upper die plate 2, limiting plates 312 are slidably arranged on two sides above the movable block 34, a third cylinder 311 is arranged between the limiting plates 312 and the connecting plates, the limiting plates 312 limit the movable block 34, the plastic plate after injection molding is extruded and molded through an extrusion assembly, residual waste on the inner wall of the die after the extrusion molding is effectively cleaned through a scraping assembly, and then prevent that the waste material from remaining on the mould inner wall and then cause certain influence to the use of later stage, cause certain influence to the quality of later stage's plastic sheet material production, through the cooperation with control assembly use make its device realize automatic linkage cooperation effect, improved the nimble practicality of device, improved plastic sheet material's output quality.

Working principle: firstly, a large amount of heated plastic raw materials are poured into the lower bin 45 through opening the electromagnetic valve 46 on the lower bin 45 and then flow into the feeding frame 41, the motor 43 is started to drive the auger 42 to rotate, the air pump 44 is started to pressurize the inside of the feeding frame 41, the heated plastic raw materials are transported to the injection molding cavity by matching with the rotation of the auger 42, the piston plate 31 is pushed to move to one side, when the piston plate 31 moves to touch the button 32, the limiting plate 312 is driven to move to one side through the third air cylinders 311 on two sides to release the limit of the movable block 34, the plastic raw materials filled in the injection molding bin are cooled through the cooling pipes 33 in the cooling bin on the front side and the rear side, the raw materials are rapidly cooled and molded, the auger 42 and the air pump 44 are matched to continuously pressurize the raw materials to push the raw materials to extrude, the raw materials move upwards to push the movable block 34 to move upwards, the movable block 34 is separated from the upper template 2, the cooled and molded raw materials are extruded through the upper template 2, the raw materials are molded rapidly, after extrusion is finished, the top plate 35 is pushed by the first air cylinder 36 to move upwards to demold the molded plate, the clamping plate 38 is driven by the connecting rod 37 to move upwards, the clamping plate 38 is inserted into the clamping groove at the lower end of the upper piston plate 31, the piston plate 31 is effectively limited, the top plate 35 is driven by the first air cylinder 36 to move downwards to reset, the clamping plate 38 moves downwards while moving, the limiting of the piston plate 31 is separated, the piston plate 31 scrapes the waste materials remained on the inner walls of the lower template 1 and the upper template 2 through the release of the springs, the waste materials are scraped to the upper part of the waste plates 310, the piston plate 31 is reset, and then through second cylinder 39 pulling waste plate 310 downwardly moving open the lid and clear up the waste material on the waste plate 310, and then accomplish the clearance to the mould, cover movable block 34 again in last 2 tops of cope match-plate pattern, rethread third cylinder 311 promotes limiting plate 312 and carries out spacingly to movable block 34, and then accomplish the extrusion molding process to plastic slab, and then improved the cleanliness of device inner wall, the convenience is to the use of next time, has improved plastic slab fashioned quality, has improved the nimble usability of device.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a plastic sheet extrusion tooling, includes lower bolster (1), lower bolster (1) top is provided with cope match-plate pattern (2), cope match-plate pattern (2) one side is provided with feed mechanism (4), its characterized in that: the device also comprises an extrusion mechanism (3), wherein the extrusion mechanism (3) is positioned between the upper die plate (2) and the lower die plate (1);

The extrusion mechanism (3) comprises an extrusion assembly for extrusion molding of the plate after injection molding, and a scraping assembly for scraping of waste remained on the inner wall of the extruded die, wherein an injection die cavity is formed between the lower die plate (1) and the upper die plate (2);

The scraping assembly comprises a piston plate (31) arranged in the injection molding cavity in a sliding mode, a waste bin is arranged below the feeding end of the feeding mechanism (4), a waste plate (310) is arranged in the waste bin in a sliding mode, a second air cylinder (39) is arranged between the waste plate (310) and the waste bin, a control assembly is arranged between the scraping assembly and the extrusion assembly, and the control assembly is used for controlling the scraping assembly to scrape residual waste on the inner wall of the upper die plate (2) and the lower die plate (1).

2. A plastic sheet extrusion die as set forth in claim 1, wherein: the extrusion assembly comprises a movable block (34) which is slidably mounted above the upper die plate (2), connecting plates are arranged on two sides above the upper die plate (2), limiting plates (312) are slidably arranged on two sides above the movable block (34), and third air cylinders (311) are arranged between the limiting plates (312) and the connecting plates.

3. A plastic sheet extrusion die as set forth in claim 2, wherein: the control assembly comprises a connecting frame arranged on one side of the lower die plate (1) and one side of the upper die plate (2), a top plate (35) is slidably arranged at the bottom end of the lower die plate (1), a first air cylinder (36) is arranged between the top plate (35) and the lower die plate (1), a clamping plate (38) is slidably arranged at the lower end of the connecting frame, a connecting rod (37) is connected between the clamping plate (38) and the top plate (35), and a clamping groove is formed in the lower end of the piston plate (31).

4. A plastic sheet extrusion die as set forth in claim 3, wherein: both sides all are provided with the cooling storehouse around lower bolster (1) cope match-plate pattern (2), just cooling storehouse inside all is provided with cooling tube (33).

5. A plastic sheet extrusion die as set forth in claim 4, wherein: the front side of the waste bin is slidingly provided with a cover door, and the connecting frames are connected with the upper template (2) and the lower template (1) through bolts.

6. A plastic sheet extrusion die as set forth in claim 5, wherein: four buttons (32) are arranged on the inner wall of the connecting frame, the four buttons (32) are arranged around the center of a circle, and the piston plate (31) is connected with the connecting frame through a spring.