CN212312723U

CN212312723U - Preheating equipment of plastic extruder

Info

Publication number: CN212312723U
Application number: CN202020935725.0U
Authority: CN
Inventors: 李木顺; 柯春莺
Original assignee: Pulixin Packaging Materials Shanghai Co ltd
Current assignee: Pulixin Packaging Materials Shanghai Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-01-08
Anticipated expiration: 2030-05-28

Abstract

The utility model belongs to plastics extruder preheats the equipment field, and especially a plastics extruder preheats equipment, it is little to preheating the softening equipment to current preheating area when softening plastics, and long-time use leads to electric heat piece and softened plastics to produce easily and glue glutinous influence use problem, the scheme as follows now is proposed, and it includes the organism, the top fixed mounting of organism has the feeder hopper, the feed port has been seted up at the top of organism, and the feed port cooperatees with the feeder hopper, has seted up the guide hole on the bottom inner wall of feed port, is equipped with the extruder on the individual one side inner wall of guide hole, it is connected with the bull stick to rotate on the inner wall of guide hole, and one side fixed mounting of organism has first motor, the output shaft and the bull stick fixed connection of first motor. The utility model discloses simple structure, convenient to use can heat the plastic material and extrude, also can clear up the electric heat piece simultaneously, prevents that the electric heat piece from gluing with the plastics of softening to appear.

Description

Preheating equipment of plastic extruder

Technical Field

The utility model relates to a plastics extruder preheating device technical field especially relates to a plastics extruder preheating device.

Background

In the plastic extrusion molding equipment, a plastic extruder is generally called a main machine, a subsequent equipment matched with the plastic extruder is called an auxiliary machine, after the plastic extruder is developed for more than 100 years, multiple machine types such as double screws, multiple screws and even no screws are derived from the original single screw, and the plastic extruder (the main machine) can be matched with various plastic molding auxiliary machines such as pipes, films, rods, monofilaments, flat wires, baling belts, net extrusion, plates (sheets), profiles, pelleting, cable coating and the like to form various plastic extrusion molding production lines for producing various plastic products, so that the plastic extrusion molding machine is one of machines widely applied in the plastic processing industry at present or in the future. The plastic needs to be softened by preheating before extrusion.

Application No. 201820539971.7 discloses a plastic extruder comprising a raw material box, a screw conveyor, a hopper, a cylinder, a die head and a frame; screw conveyer can guarantee that plastics extruder production is steady in succession at the uniform velocity, and the barrel can be stabilized to the frame, and the plastic raw materials can be sheared in the screw rod of hopper even stirring, and the gas vent on the barrel can get rid of the liquefied gas of operation in-process, guarantees product quality.

The preheating area of the existing preheating softening equipment is small when plastic is softened, and the long-time use of the existing preheating softening equipment is easy to cause the electric heating block and the softened plastic to be sticky and influence the use, so that the preheating equipment of the plastic extruder is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the preheating area of the existing preheating softening equipment is small when the plastic is softened, and the long-time use easily causes the electric heating block and the softened plastic to generate the adhesive and affect the use, and providing the preheating equipment of the plastic extruder.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a preheating device of a plastic extruder comprises a machine body, wherein a feed hopper is fixedly installed at the top of the machine body, a feed hole is formed in the top of the machine body and matched with the feed hopper, a material guide hole is formed in the inner wall of the bottom of the feed hole, the extruder is arranged on the inner wall of one side of the material guide hole, a rotating rod is rotatably connected to the inner wall of the material guide hole, a first motor is fixedly installed at one side of the machine body, an output shaft of the first motor is fixedly connected with the rotating rod, positioning rods are fixedly installed on the inner walls of two sides of the feed hole, one side, close to each other, of each positioning rod is fixedly installed with an annular electric heating block, four symmetrically arranged fixing rods are fixedly installed on the inner wall of the feed hole, the same fixing plate is fixedly installed on the four fixing rods, a screw rod is connected to the fixing plates, the top fixed mounting of connecting rod has the bracing piece, and fixed mounting has the ejector pin of two symmetries settings on the screw rod.

Preferably, a second motor is fixedly mounted at the bottom of one of the four fixing rods, an output shaft of the second motor is in transmission connection with the screw rod, and the second motor can be connected with the screw rod through the rotation of the output shaft and the screw rod to drive the screw rod to rotate.

Preferably, a first gear is fixedly mounted on an output shaft of the second motor, a second gear is fixedly sleeved on the outer side of the rotating plate, the first gear is meshed with the second gear, and the output shaft of the second motor drives the rotating plate to rotate through mutual meshing of the first gear and the second gear.

Preferably, one side fixed mounting of bracing piece has outer scraper blade, and the one end fixed mounting of ejector pin has interior scraper blade, and interior scraper blade cooperatees with the inner wall of annular electric heat piece, and outer scraper blade cooperatees with the outside of annular electric heat piece, and pivoted outer scraper blade and interior scraper blade can be through the cooperation with annular electric heat piece to the inner wall of annular electric heat piece clean.

Preferably, the outer side of the rotating rod is fixedly provided with a helical blade, the helical blade is matched with the inner wall of the material guide hole, and the rotating rod conveys falling materials through the matching of the helical blade and the inner wall of the material guide hole.

Compared with the prior art, the utility model has the advantages of:

(1) in the scheme, the first gear is meshed with the second gear, so that the output shaft of the second motor can drive the rotating plate to rotate, and further the screw rod is driven to rotate through the sliding connection between the rotating plate and the screw rod;

(2) because interior scraper blade cooperatees with the inner wall of annular electric heat piece, outer scraper blade cooperatees with the outside of electric heat piece for the pivoted changes the board and can drive outer scraper blade and clear up the outside of annular electric heat piece, and pivoted screw rod can drive interior scraper blade and clear up the inner wall of annular electric heat piece simultaneously.

The utility model discloses simple structure, convenient to use can heat the plastic material and extrude, also can clear up the electric heat piece simultaneously, prevents that the electric heat piece from gluing with the plastics of softening to appear.

Drawings

Fig. 1 is a schematic structural view of a preheating device of a plastic extruder provided by the present invention;

fig. 2 is a schematic cross-sectional view of a fixing plate of a preheating device of a plastic extruder according to the present invention;

fig. 3 is a schematic structural diagram of a part a of the preheating device of the plastic extruder according to the present invention.

In the figure: 1 machine body, 2 feed hoppers, 3 feed holes, 4 guide holes, 5 extruders, 6 rotating rods, 7 first motors, 8 helical blades, 9 positioning rods, 10 annular electric heating blocks, 11 fixing rods, 12 fixing plates, 13 rotating plates, 14 connecting rods, 15 supporting rods, 16 outer scraping plates, 17 screw rods, 18 ejector rods, 19 inner scraping plates, 20 second motors, 21 first gears and 22 second gears.

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.

Example 1

Referring to fig. 1-3, a plastic extruder preheating device comprises a machine body 1, a feed hopper 2 is fixedly installed at the top of the machine body 1, a feed hole 3 is formed at the top of the machine body 1, the feed hole 3 is matched with the feed hopper 2, a guide hole 4 is formed on the inner wall of the bottom of the feed hole 3, an extruder 5 is arranged on the inner wall of one side of each guide hole 4, a rotating rod 6 is rotatably connected to the inner wall of each guide hole 4, a first motor 7 is fixedly installed at one side of the machine body 1, the output shaft of the first motor 7 is fixedly connected with the rotating rod 6, positioning rods 9 are fixedly installed on the inner walls of the two sides of the feed hole 3, the same annular electric heating block 10 is fixedly installed at the side, where the two positioning rods 9 are close to each other, four symmetrically arranged fixing rods 11 are fixedly installed on the inner wall of the feed hole 3, the top of fixed plate 12 rotates and is connected with commentaries on classics board 13, and the equal fixed mounting in both sides of commentaries on classics board 13 has connecting rod 14, and the top fixed mounting of connecting rod 14 has bracing piece 15, and fixed mounting has the ejector pin 18 of two symmetry settings on the screw rod 17.

The utility model discloses in, a dead lever 11 bottom fixed mounting in four dead levers 11 has second motor 20, and second motor 20's output shaft is connected with the screw rod 17 transmission.

The utility model discloses in, fixed mounting has first gear 21 on the output shaft of second motor 20, and the fixed cover in the outside of commentaries on classics board 13 is equipped with second gear 22, first gear 21 and second gear 22 intermeshing.

The utility model discloses in, one side fixed mounting of bracing piece 15 has outer scraper blade 16, and the one end fixed mounting of ejector pin 18 has interior scraper blade 19, and interior scraper blade 19 cooperatees with the inner wall of annular electric heat piece 10, and outer scraper blade 16 cooperatees with the outside of annular electric heat piece 10.

The utility model discloses in, the outside fixed mounting of bull stick 6 has helical blade 8, and helical blade 8 cooperatees with the inner wall of guide hole 4.

Example 2

Referring to fig. 1-3, a plastic extruder preheating device comprises a machine body 1, a feed hopper 2 is welded on the top of the machine body 1, a feed hole 3 is formed on the top of the machine body 1, the feed hole 3 is matched with the feed hopper 2, a material guide hole 4 is formed on the inner wall of the bottom of the feed hole 3, an extruder 5 is arranged on the inner wall of one side of each material guide hole 4, a rotating rod 6 is rotatably connected on the inner wall of each material guide hole 4, a first motor 7 is fixed on one side of the machine body 1 through a bolt, the output shaft of the first motor 7 is fixedly connected with the rotating rod 6, positioning rods 9 are welded on the inner walls of two sides of the feed hole 3, the same annular electric heating block 10 is welded on the side where the two positioning rods 9 are close to each other, four symmetrically arranged fixing rods 11 are welded on the inner wall of the feed hole 3, the same fixing plate 12 is welded, connecting rods 14 are welded on two sides of the rotating plate 13, supporting rods 15 are welded on the tops of the connecting rods 14, and two ejector rods 18 symmetrically arranged are welded on the screw rods 17.

The utility model discloses in, there is second motor 20 bottom dead lever 11 among four dead levers 11 through the bolt fastening, and second motor 20's output shaft is connected with the screw rod 17 transmission, and second motor 20 can be connected through output shaft and screw rod 17's rotation and drive screw rod 17 and rotate.

The utility model discloses in, the welding has first gear 21 on the output shaft of second motor 20, changes the fixed cover in the outside of board 13 and is equipped with second gear 22, first gear 21 and second gear 22 intermeshing, and second motor 20's output shaft drives through the intermeshing of first gear 21 and second gear 22 and changes board 13 and rotate.

The utility model discloses in, the welding of one side of bracing piece 15 has outer scraper blade 16, and the welding of the one end of ejector pin 18 has interior scraper blade 19, and interior scraper blade 19 cooperatees with the inner wall of annular electric heat piece 10, and outer scraper blade 16 cooperatees with the outside of annular electric heat piece 10, and pivoted outer scraper blade 16 can clean annular electric heat piece 10's inner wall through the cooperation with annular electric heat piece 10 with interior scraper blade 19.

The utility model discloses in, the outside welding of bull stick 6 has helical blade 8, and helical blade 8 cooperatees with the inner wall of guide hole 4, and pivoted bull stick 6 conveys the material of whereabouts through the cooperation of helical blade 8 and the 4 inner walls of guide hole.

In the utility model, when in work, the material is poured into the feeding hole 3 through the feeding hopper 2, and the annular electric heating block 10 is powered on, when the plastic passes through the annular electric heating block 10, the plastic is heated and softened by the heat of the annular electric heating block 10, the first motor 7 and the second motor 20 are simultaneously started to be switched on, the output shaft of the second motor 20 drives the first gear 21 to rotate, the first gear 21 drives the second gear 22 to rotate, the second gear 22 drives the rotating plate 13 to rotate, the rotating plate 13 drives the screw rod 17 to rotate through the sliding connection with the screw rod 17, simultaneously, the rotating screw rod 17 rotates downwards due to the threaded connection of the screw rod 17 and the fixed plate 12, the screw rod 17 drives the inner scraping plate 19 to rotate downwards through the mandril 18, and the inner wall of the annular electric heating block 10 is cleaned through the matching with the annular electric heating block 10, and the rotating plate 13 drives the supporting rod 15 to rotate through the, the bracing piece 15 drives outer scraper blade 16 and rotates, pivoted outer scraper blade 16 clears up the outside of annular electric heat piece 10, prevent that the inner wall of annular electric heat piece 10 from taking place to glue with the outside, the material after softening simultaneously enters into guide hole 4 in, the output shaft of first motor 7 drives bull stick 6 and rotates, bull stick 6 drives helical blade 8 and rotates, pivoted helical blade 8 carries out the guide through the cooperation with guide hole 4 to the material of whereabouts, make the material after softening extrude in entering into extruder 5 through guide hole 4.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A preheating device of a plastic extruder comprises a machine body (1) and is characterized in that a feed hopper (2) is fixedly mounted at the top of the machine body (1), a feed hole (3) is formed in the top of the machine body (1), the feed hole (3) is matched with the feed hopper (2), a guide hole (4) is formed in the inner wall of the bottom of the feed hole (3), an extruder (5) is arranged on the inner wall of one side of each guide hole (4), a rotating rod (6) is rotatably connected to the inner wall of each guide hole (4), a first motor (7) is fixedly mounted at one side of the machine body (1), an output shaft of the first motor (7) is fixedly connected with the rotating rod (6), positioning rods (9) are fixedly mounted on the inner walls of two sides of the feed hole (3), one side, close to each other, of the two positioning rods (9) is fixedly mounted with the same annular electric heating block (10), four symmetrically-arranged fixing rods (11) are fixedly, fixed mounting has same fixed plate (12) on four dead levers (11), and threaded connection has screw rod (17) on fixed plate (12), the top of fixed plate (12) is rotated and is connected with commentaries on classics board (13), changes the equal fixed mounting in both sides of board (13) and has connecting rod (14), and the top fixed mounting of connecting rod (14) has bracing piece (15), and fixed mounting has ejector pin (18) that two symmetries set up on screw rod (17).

2. The preheating apparatus of claim 1, wherein a second motor (20) is fixedly mounted at the bottom of one fixing rod (11) of the four fixing rods (11), and an output shaft of the second motor (20) is in transmission connection with the screw (17).

3. The preheating device of the plastic extruder as claimed in claim 2, wherein a first gear (21) is fixedly installed on the output shaft of the second motor (20), a second gear (22) is fixedly sleeved on the outer side of the rotating plate (13), and the first gear (21) and the second gear (22) are meshed with each other.

4. The preheating apparatus of claim 1, wherein an outer scraper (16) is fixedly installed at one side of the supporting rod (15), an inner scraper (19) is fixedly installed at one end of the ejector rod (18), the inner scraper (19) is matched with the inner wall of the annular electric heating block (10), and the outer scraper (16) is matched with the outer side of the annular electric heating block (10).

5. The preheating equipment of the plastic extruder according to claim 1, wherein the outer side of the rotating rod (6) is fixedly provided with a helical blade (8), and the helical blade (8) is matched with the inner wall of the material guide hole (4).