CN217704595U

CN217704595U - Modified ultra-high molecular weight polyethylene plate extrusion die

Info

Publication number: CN217704595U
Application number: CN202221131915.2U
Authority: CN
Inventors: 张家胜; 刘冬喜
Original assignee: Hubei Jiaqi Mould Manufacturing Co ltd
Current assignee: Hubei Jiaqi Mould Manufacturing Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-11-01
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a modified ultra-high molecular weight polyethylene plate extrusion die, which comprises an installation base, wherein the front side and the back side of the installation base are fixedly connected with supporting plates, the top of the installation base is fixedly connected with a lower template between the two supporting plates, the top between the two supporting plates is fixedly connected with a mounting plate, the bottom of the mounting plate is provided with an adjusting mechanism, the adjusting mechanism comprises a fixed plate, the fixed plate is fixedly connected with the bottom of the mounting plate, and the left side of the fixed plate is rotatably connected with a connecting plate; the utility model relates to a plastics extrusion tooling technical field, this modified ultra high molecular weight polyethylene panel extrusion tooling, when needing to process the panel of different thickness, only need rotate the threaded rod, make the distance between cope match-plate pattern and the lower bolster just for the thickness of required processing panel, can adapt to the processing demand of different thickness panels, need not to change forming die, can not only reduce forming die's cost, can improve holistic production efficiency moreover.

Description

Modified ultra-high molecular weight polyethylene plate extrusion die

Technical Field

The utility model relates to a plastics extrusion tooling technical field specifically is a modified ultra high molecular weight polyethylene panel extrusion tooling.

Background

Ultra-high molecular weight polyethylene (UHMW-PE) is a thermoplastic engineering plastic with a linear structure and excellent comprehensive performance. The ultra-high molecular weight polyethylene pipe is listed as a key promotion plan of national scientific and technological achievements by a document entitled "2000" 056 of the department of scientific and technology in 2001, and belongs to new chemical materials and products. The Ministry of science and technology of the State design and commission lists the ultra-high molecular weight polyethylene pipe as a key field project of the high-tech industry which is preferentially developed at present. The ultra-high molecular weight polyethylene is a high molecular compound, is difficult to process, and has super wear resistance, self-lubricating property, high strength, stable chemical property and strong ageing resistance. The disadvantages are low heat resistance (heat distortion temperature), poor processing formability, external surface hardness, rigidity and creep resistance which are not similar to those of common engineering plastics, and larger expansion coefficient.

The molecular chain of the ultra-high molecular weight polyethylene is in a winding shape, has extremely high viscosity and almost no fluidity, so the processing difficulty is very high. The processing and forming method of the modified ultrahigh molecular weight polyethylene generally comprises extrusion, blow molding, injection molding and other special methods, wherein the extrusion forming equipment mainly comprises a plunger extruder, a single-screw extruder and a double-screw extruder, and the double-screw extruder mostly adopts a co-rotating double-screw extruder. The thickness of the plate extruded and molded by the same existing extrusion die is fixed, the function is single, the applicability is poor, and when the plates with different thicknesses need to be produced, the corresponding extrusion die needs to be replaced, so that the workload of operators is increased, and the overall production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a modified ultra high molecular weight polyethylene panel extrusion tooling has solved current same extrusion tooling extrusion moulding's panel thickness fixed, and the function is more single, and the suitability is relatively poor, when needing to produce the panel of different thickness, need change the extrusion tooling who corresponds, has not only increased operating personnel's work load, influences holistic production efficiency's problem moreover.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a modified ultra high molecular weight polyethylene panel extrusion tooling, includes the installation base, the front of installation base and the equal fixedly connected with backup pad in the back, the top of installation base just is located fixedly connected with lower bolster, two between two backup pads top fixedly connected with mounting panel between the backup pad, the bottom of mounting panel is provided with adjustment mechanism, adjustment mechanism includes the fixed plate, the bottom fixed connection of fixed plate and mounting panel, the left side of fixed plate is rotated and is connected with the connecting plate, one side that the fixed plate was kept away from to the connecting plate is rotated and is connected with the cope match-plate pattern, the top of cope match-plate pattern is rotated and is connected with the threaded rod, the surperficial threaded connection of threaded rod has the thread bush, the mounting panel runs through and has seted up the activity groove, the threaded rod runs through the mounting panel through the top of mounting panel and extends to the mounting panel, thread bush and activity groove sliding connection.

Preferably, the top and the bottom of the threaded sleeve are fixedly connected with limit rings, and the two limit rings are respectively connected with the top and the bottom of the mounting plate in a sliding manner.

Preferably, heat exchange cavities are formed in the upper template and the lower template, and two heat exchange cavities are fixedly connected with heat exchange coil pipes.

Preferably, the bottom fixedly connected with circulating water tank of installation base, one side fixedly connected with circulating water pump of circulating water tank, the import intercommunication of circulating water pump has the inlet tube, the export intercommunication of circulating water pump has the outlet pipe.

Preferably, one end, far away from the circulating water pump, of the water outlet pipe is communicated with an inlet of the heat exchange coil pipe, an outlet of the heat exchange coil pipe is communicated with a water return pipe, and one end, far away from the heat exchange coil pipe, of the water return pipe is communicated with the circulating water tank.

Preferably, the top fixedly connected with scale of cope match-plate pattern, the top of mounting panel is run through and is seted up the through-hole with scale looks adaptation, the scale runs through the mounting panel through the through-hole.

Advantageous effects

The utility model provides a modified ultra high molecular weight polyethylene panel extrusion tooling. Compared with the prior art, the method has the following beneficial effects:

(1) This modified ultra high molecular weight polyethylene panel extrusion tooling, the equal fixedly connected with backup pad in front and the back through the installation base, the top of installation base just is located fixedly connected with lower bolster between two backup pads, top fixedly connected with mounting panel between two backup pads, the bottom of mounting panel is provided with adjustment mechanism, adjustment mechanism includes the fixed plate, the bottom fixed connection of fixed plate and mounting panel, the left side of fixed plate is rotated and is connected with the connecting plate, one side that the fixed plate was kept away from to the connecting plate is rotated and is connected with the cope match-plate pattern, the top of cope match-plate pattern is rotated and is connected with the threaded rod, the surface screw thread of threaded rod is connected with the threaded sleeve, the mounting panel runs through and has seted up the movable groove, the threaded rod runs through the top that the mounting panel extends to the mounting panel through the movable groove, threaded sleeve and movable groove sliding connection, the equal fixedly connected with spacing ring in top and bottom of threaded sleeve, two spacing rings respectively with top and the bottom sliding connection of mounting panel, when the panel of different thickness need processing, only need rotate the threaded rod, adjust the distance between cope match-plate pattern and lower bolster, make the distance of distance between cope match-plate pattern and the lower bolster just be the thickness of required processing panel, the processing demand of different thickness, the shaping mould, can not need not change forming die, can not, the cost of the whole production of shaping mould can be reduced, and can adapt to the production efficiency of shaping mould.

(2) This modified ultra high molecular weight polyethylene panel extrusion tooling, the heat transfer chamber has all been seted up through the inside of cope match-plate pattern and lower bolster, the equal fixedly connected with heat transfer coil pipe in two heat transfer intracavity, the bottom fixedly connected with circulation tank of installation base, one side fixedly connected with circulating water pump of circulation tank, the import intercommunication of circulating water pump has the inlet tube, the export intercommunication of circulating water pump has the outlet pipe, the one end that circulating water pump was kept away from to the outlet pipe is linked together with heat transfer coil's import, heat transfer coil's export intercommunication has the wet return, the one end that heat transfer coil was kept away from to the wet return communicates with the circulation tank mutually, the material of cooling water between cope match-plate pattern and the lower bolster in the heat transfer coil pipe carries out cooling treatment, thereby make panel sclerosis, the shaping of panel with higher speed.

Drawings

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

FIG. 2 is a cross-sectional view of the structure of the present invention;

fig. 3 is a perspective view of the upper template of the present invention;

fig. 4 is a cross-sectional view of the upper plate of the present invention.

In the figure: the heat exchange device comprises a mounting base 1, a supporting plate 2, a lower template 3, a mounting plate 4, an adjusting mechanism 5, a fixing plate 51, a connecting plate 52, an upper template 53, a threaded rod 54, a threaded sleeve 55, a movable groove 56, a limiting ring 57, a heat exchange cavity 6, a heat exchange coil 7, a circulating water tank 8, a circulating water pump 9, a water inlet pipe 10, a water outlet pipe 11, a water return pipe 12, a graduated scale 13 and a through hole 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a modified ultra-high molecular weight polyethylene plate extrusion die comprises an installation base 1, wherein supporting plates 2 are fixedly connected to the front side and the back side of the installation base 1, a lower template 3 is fixedly connected to the top of the installation base 1 and positioned between the two supporting plates 2, an installation plate 4 is fixedly connected to the top between the two supporting plates 2, an adjusting mechanism 5 is arranged at the bottom of the installation plate 4, the adjusting mechanism 5 comprises a fixed plate 51, the fixed plate 51 is fixedly connected with the bottom of the installation plate 4, a connecting plate 52 is rotatably connected to the left side of the fixed plate 51, an upper template 53 is rotatably connected to one side, away from the fixed plate 51, of the connecting plate 52, a graduated scale 13 is fixedly connected to the top of the upper template 53, a through hole 14 matched with the graduated scale 13 is formed in the top of the installation plate 4, the graduated scale 13 penetrates through the installation plate 4 through the through hole 14, and heat exchange cavities 6 are formed in the upper template 53 and the lower template 3, the two heat exchange cavities 6 are fixedly connected with heat exchange coil pipes 7, the inlets and outlets of the heat exchange coil pipes 7 in the upper template 53 are arranged at the top of the upper template 53, the outlets and outlets of the heat exchange coil pipes 7 in the lower template 3 are arranged on the side wall of the lower template 3, the bottom of the mounting base 1 is fixedly connected with a circulating water tank 8, cooling water is filled in the circulating water tank 8, one side of the circulating water tank 8 is fixedly connected with a circulating water pump 9, the circulating water pump 9 is connected with a control system and a power supply through wires, the inlet of the circulating water pump 9 is communicated with a water inlet pipe 10, the outlet of the circulating water pump 9 is communicated with a water outlet pipe 11, the water outlet pipe 11 is an elastic pipe and is convenient for adjustment of the upper template 53, one end of the water outlet pipe 11, which is far away from the circulating water pump 9, is communicated with the inlet of the heat exchange coil pipes 7, the outlet of the heat exchange coil pipes 12 is communicated with the circulating water tank 8, the top of cope match-plate pattern 53 is rotated and is connected with threaded rod 54, the top fixedly connected with adjusting hand wheel of threaded rod 54, threaded rod 54's surperficial threaded connection has threaded sleeve 55, mounting panel 4 runs through and has seted up movable groove 56, when adjusting threaded rod 54, threaded sleeve 55 can slide in movable groove 56, avoid the motion to interfere, threaded rod 54 runs through mounting panel 4 and extends to mounting panel 4's top through movable groove 56, threaded sleeve 55 with movable groove 56 sliding connection, threaded sleeve 55's top and the equal fixedly connected with spacing ring 57 in bottom, two spacing rings 57 respectively with mounting panel 4's top and bottom sliding connection.

During the use, with the export fixed connection of this equipment and extruder, plastics raw materials get into installation base 1 from the export of extruder, backup pad 2, the gradual change chamber that fixed plate 51 and connecting plate 52 formed, the plastify material also becomes the platyzation along with gradual change chamber is gradual, the plastify material gets into the shaping intracavity that lower bolster 3 and cope match-plate pattern 53 formed afterwards, extrude into panel through the shaping chamber, material in the shaping intracavity is cooled off to the heat exchange coil 7 that sets up in cope match-plate pattern 53 and the lower bolster 3 inside, thereby make panel sclerosis, when needing to process the panel of different thickness, the threaded rod 54 rotates, threaded rod 54 rotates and drives cope match-plate pattern 53 through the cooperation with threaded sleeve 55 and moves, change the distance between cope match-plate pattern 53 and the lower bolster 3, make the distance between cope match-plate pattern 53 and the lower bolster 3 just be the thickness of required processing panel.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a modified ultra high molecular weight polyethylene panel extrusion tooling, includes installation base (1), its characterized in that: the front and the back of the mounting base (1) are both fixedly connected with supporting plates (2), the top of the mounting base (1) and positioned between the two supporting plates (2) are fixedly connected with a lower template (3), the top between the two supporting plates (2) is fixedly connected with a mounting plate (4), and the bottom of the mounting plate (4) is provided with an adjusting mechanism (5);

adjustment mechanism (5) are including fixed plate (51), the bottom fixed connection of fixed plate (51) and mounting panel (4), the left side of fixed plate (51) is rotated and is connected with connecting plate (52), one side that fixed plate (51) were kept away from in connecting plate (52) is rotated and is connected with cope match-plate pattern (53), the top of cope match-plate pattern (53) is rotated and is connected with threaded rod (54), the surperficial threaded connection of threaded rod (54) has threaded sleeve (55), mounting panel (4) are run through and are seted up movable groove (56), threaded rod (54) run through mounting panel (4) and extend to the top of mounting panel (4) through movable groove (56), threaded sleeve (55) with movable groove (56) sliding connection.

2. The extrusion die for the modified ultra-high molecular weight polyethylene plate as claimed in claim 1, wherein: the top and the bottom of threaded sleeve (55) are both fixedly connected with limit rings (57), two limit rings (57) are respectively connected with the top and the bottom of mounting plate (4) in a sliding manner.

3. The extrusion die of modified ultra-high molecular weight polyethylene plate as claimed in claim 1, wherein: heat exchange cavities (6) are formed in the upper template (53) and the lower template (3), and heat exchange coils (7) are fixedly connected in the heat exchange cavities (6).

4. The extrusion die for the modified ultra-high molecular weight polyethylene plate as claimed in claim 1, wherein: the bottom fixedly connected with circulating water tank (8) of installation base (1), one side fixedly connected with circulating water pump (9) of circulating water tank (8), the import intercommunication of circulating water pump (9) has inlet tube (10), the export intercommunication of circulating water pump (9) has outlet pipe (11).

5. The extrusion die of modified ultra-high molecular weight polyethylene plate as claimed in claim 4, wherein: one end, far away from circulating water pump (9), of outlet pipe (11) is linked together with the import of heat exchange coil (7), the export intercommunication of heat exchange coil (7) has wet return (12), wet return (12) are kept away from one end of heat exchange coil (7) and are linked together with circulating water tank (8).

6. The extrusion die of modified ultra-high molecular weight polyethylene plate as claimed in claim 1, wherein: the top fixedly connected with scale (13) of cope match-plate pattern (53), the top of mounting panel (4) is run through and is seted up through-hole (14) with scale (13) looks adaptation, mounting panel (4) is run through-hole (14) in scale (13).