CN210367736U

CN210367736U - Simple solid-phase tackifying rotary drum

Info

Publication number: CN210367736U
Application number: CN201921349249.8U
Authority: CN
Inventors: 展海荣
Original assignee: Zhangjiagang Rongsheng Machinery Co ltd
Current assignee: Zhangjiagang Rongsheng Machinery Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-04-21
Anticipated expiration: 2029-08-20

Abstract

The utility model belongs to the technical field of rotary drums, in particular to a simple solid phase tackifying rotary drum, which comprises a rotary drum shell and rotary drum supports connected at the left end and the right end of the rotary drum shell, the outer wall of the drum bracket is nested with a bearing seat, the left upper end and the right lower end of the drum shell are respectively fixedly inserted with a feed hopper and a discharge hopper, the feed hopper and the discharge hopper are both connected with control valves, the front side and the rear side of the inner wall of the rotary drum shell are respectively connected with an annular heating pipe in an embedded way through screws, the front and the back annular heating pipes are contacted, the left end of the annular heating pipe penetrates through the left side wall of the rotary drum shell and is connected with an electric heater, and the electric heater is fixedly connected to the center of the outer wall of the left side of the rotary drum shell through bolts, and the inner cavity of the bearing seat on the right side is movably inserted with an exhaust tube.

Description

Simple solid-phase tackifying rotary drum

Technical Field

The utility model relates to a rotary drum technical field specifically is a simple and easy type solid phase tackifying rotary drum.

Background

With the continuous progress of science and technology in the industrial field, higher requirements are put forward on part of industrial raw materials, for example, tackifying the raw materials in a solid phase manner by using a rotary drum, wherein the solid phase polycondensation tackifying of the rotary drum means that a polyester prepolymer with a certain molecular weight is heated in the rotary drum to a temperature higher than the glass transition temperature of the polyester prepolymer and below the melting point of the polyester prepolymer, and then the inner cavity of the rotary drum is vacuumized or protected by inert gas and small molecular products are taken away, so that the raw materials are tackified.

For example, a solid phase tackifying rotary drum with Chinese utility model application number of CN201721902236.X belongs to the technical field of mechanical equipment. The solid-phase tackifying rotary drum comprises a rotary drum body, a rotary bracket, a front side surface and a rear side surface. The utility model discloses a solid phase tackifying rotary drum, be equipped with the heating pipe on the rotary drum body and the trailing flank of this solid phase tackifying rotary drum.

However, the existing device has the problems of low heating efficiency of raw materials in the rotary drum and more heat waste.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple and easy type solid phase tackifying rotary drum to the heating efficiency to raw materials in the rotary drum that provides among the above-mentioned background art is low, and the more problem of waste of heat.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a simple and easy type solid phase tackifying rotary drum, includes rotary drum casing and connects the rotary drum support at the left and right ends of rotary drum casing, the outer wall nestification of rotary drum support has the bearing frame, the upper left end and the right lower extreme of rotary drum casing are fixed the grafting respectively and are had feeder hopper and play hopper, all be connected with the control valve on feeder hopper and the play hopper, the side has annular heating pipe through screw nested connection respectively around the rotary drum shells inner wall, and contacts between the side annular heating pipe around and, the left end of annular heating pipe runs through the left side wall of rotary drum casing and is connected with the electric heater, and the electric heater passes through bolt fixed connection at the left side outer wall center of rotary drum casing, the right side the inner chamber activity of bearing frame is pegged graft and is had the exhaust tube, and the left end of exhaust tube runs through the right side.

Preferably, a heat-resistant rubber ring is fixedly sleeved at the joint of the annular heating pipe and the inner wall of the left side of the rotary drum shell.

Preferably, the heat conducting plate with the same thickness value as the annular heating pipe is fixedly inserted at the interval of the annular heating pipe.

Preferably, the left lower end of the air exhaust pipe is connected with an air exhaust cap through a screw.

Preferably, a bearing is installed at the joint of the exhaust tube and the right side wall of the drum shell.

Preferably, the connection position of the discharge hopper and the inner wall of the drum shell is positioned at the lower right corner of the inner cavity of the drum shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the annular heating pipe is directly positioned in the rotary drum shell and is directly contacted with the raw material to be processed, so that the heating efficiency is higher;

2) the annular heating pipe is directly positioned in the drum shell for heating, and the drum shell is not heated from outside to inside, so that the heat waste is less;

3) the main working structure is positioned in the inner cavity of the rotary drum shell, and is not easy to be damaged by external force.

Drawings

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

fig. 2 is a sectional view of the present invention;

fig. 3 is a left side sectional view of the present invention.

In the figure: 1 rotary drum shell, 2 rotary drum supports, 3 bearing seats, 4 feed hoppers, 5 discharge hoppers, 6 annular heating pipes, 7 exhaust pipes, 8 heat-resistant rubber rings, 9 heat-conducting plates, 10 exhaust caps, 11 bearings and 12 control valves.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a simple and easy type solid phase tackifying rotary drum, includes rotary drum casing 1 and connects rotary drum support 2 at the left and right ends of rotary drum casing 1, and rotary drum support 2 and outside driving motor coaxial coupling drive rotary drum casing 1 and rotate, and rotary drum support 2's outer wall nestification has bearing frame 3, and bearing frame 3 couples together whole device and outside base, and above-mentioned part constitutes the structural framework of whole device.

A feed hopper 4 and a discharge hopper 5 are respectively fixedly inserted at the upper left end and the lower right end of the rotary drum shell 1, the feed hopper 4 and the discharge hopper 5 are respectively connected with a control valve 12, the opening and closing of the feed hopper 4 or the discharge hopper 5 can be controlled through the control valve 12, so that materials are put into or taken out of the rotary drum shell 1, the front side and the rear side of the inner wall of the rotary drum shell 1 are respectively connected with an annular heating pipe 6 in a nesting way through screws, the annular heating pipes 6 at the front side and the rear side are in contact with each other, the annular heating pipes 6 can well and uniformly heat the raw materials in the inner cavity of the rotary drum shell 1, the temperature of the raw materials is enabled to reach 10-40 ℃ below the melting point of the raw materials, the left end of each annular heating pipe 6 penetrates through the left side wall of the rotary drum shell 1 and is connected with an electric heater, the electric heater rotates the centrifugal force that receives because of rotary drum casing 1 and is minimum like this, difficult disconnection, ensure long service life, the inner chamber activity of right side bearing frame 3 is pegged graft and is had exhaust tube 7, exhaust tube 7 can not rotate along with rotary drum support 2's rotation, and the left end of exhaust tube 7 runs through the right side wall of right side rotary drum support 2 and rotary drum casing 1 in proper order and extends to rotary drum casing 1's inner chamber, the right-hand member of exhaust tube 7 and outside aspiration pump are connected, the inner chamber through exhaust tube 7 with rotary drum casing 1 is taken out into the vacuum, make the polycondensation continue, ensure that whole solid phase tackifying process is accomplished.

Wherein, the fixed cover in the junction of

annular heating pipe

6 and 1 left side inner wall of rotary drum casing has connect heat-resisting rubber circle 8, prevents that the junction gap from taking place the heat and leaking, further reduces the heat waste.

The heat-conducting plate 9 that is the same with annular heating pipe 6 thickness value is fixed pegging graft in annular heating pipe 6's interval department, further makes the raw materials be heated evenly, and prevents that the raw materials card from the interval department of annular heating pipe 6.

The left lower end of the air exhaust pipe 7 is connected with an air exhaust cap 10 through a screw, so that the air exhaust efficiency is higher.

And a bearing 11 is arranged at the joint of the exhaust tube 7 and the right side wall of the drum shell 1, so that the exhaust tube 7 is prevented from being damaged in the rotation process of the drum shell 1.

The junction of the discharge hopper 5 and the inner wall of the drum shell 1 is positioned at the lower right corner of the inner cavity of the drum shell 1, so that the discharge is smoother, and the raw materials can be completely poured out without residue.

The working principle is as follows: connect whole device through bearing frame 3 and outside base, rotary drum support 2 and outside driving motor coaxial coupling, open feeder hopper 4 through control valve 12, pour into in the rotary drum casing 1 and wait to process the raw materials, start outside driving motor, drive rotary drum casing 1 through rotary drum support 2 and rotate, start the electric heater simultaneously, the electric heater heats annular heating pipe 6, annular heating pipe 6 cooperates heat-conducting plate 9 can be fine carries out abundant even heating to the raw materials of rotary drum casing 1 inner chamber, pump into the vacuum through exhaust tube 7 with rotary drum casing 1's inner chamber, make the polycondensation continue, ensure that whole solid phase tackifying process is accomplished, then close whole device, control valve 12 who opens out hopper 5 will discharge the raw materials that the solid phase tackify is good.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 simple and easy type solid phase tackifying rotary drum, includes rotary drum casing (1) and connects rotary drum support (2) at the left and right ends of rotary drum casing (1), its characterized in that: the outer wall of the drum bracket (2) is nested with a bearing seat (3), the upper left end and the lower right end of the drum shell (1) are respectively fixedly inserted with a feed hopper (4) and a discharge hopper (5), the feed hopper (4) and the discharge hopper (5) are both connected with control valves (12), the front side and the rear side of the inner wall of the rotary drum shell (1) are respectively connected with an annular heating pipe (6) in a nested manner through screws, the front and the back annular heating pipes (6) are contacted, the left end of the annular heating pipe (6) penetrates through the left side wall of the drum shell (1) and is connected with an electric heater, the electric heater is fixedly connected to the center of the outer wall of the left side of the rotary drum shell (1) through bolts, an air exhaust pipe (7) is movably inserted into the inner cavity of the bearing seat (3) at the right side, and the left end of the air exhaust pipe (7) sequentially penetrates through the right side drum support (2) and the right side wall of the drum shell (1) and extends into the inner cavity of the drum shell (1).

2. The simple solid-phase tackifying drum of claim 1, characterized in that: and a heat-resistant rubber ring (8) is fixedly sleeved at the joint of the annular heating pipe (6) and the inner wall of the left side of the rotary drum shell (1).

3. The simple solid-phase tackifying drum of claim 1, characterized in that: and heat-conducting plates (9) with the same thickness value as the annular heating pipes (6) are fixedly inserted at the intervals of the annular heating pipes (6).

4. The simple solid-phase tackifying drum of claim 1, characterized in that: the left lower end of the air exhaust pipe (7) is connected with an air exhaust cap (10) through a screw.

5. The simple solid-phase tackifying drum of claim 1, characterized in that: and a bearing (11) is arranged at the joint of the exhaust tube (7) and the right side wall of the rotary drum shell (1).

6. The simple solid-phase tackifying drum of claim 1, characterized in that: the joint of the discharge hopper (5) and the inner wall of the drum shell (1) is positioned at the lower right corner of the inner cavity of the drum shell (1).