CN215039547U

CN215039547U - Rotational molding machine with following heating channel

Info

Publication number: CN215039547U
Application number: CN202120942418.XU
Authority: CN
Inventors: 赵春明; 宋崇智; 戴光辉; 丁为利; 方泰兴; 闫保龙
Original assignee: Anhui University of Technology AHUT
Current assignee: Anhui University of Technology AHUT
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-12-07
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a rotational moulding machine with retinue heating channel belongs to the relevant technical field of rotational moulding machine. The rotational molding assembly comprises an outer frame and a rotating frame, the outer frame is sleeved on the outer side of the rotating frame, and the power assembly is connected with the outer frame and the rotating frame respectively. Through the respective control of the outer frame and the rotating frame, the heat energy utilization of the rotating frame in the using process can be improved, and the product quality is improved.

Description

Rotational molding machine with following heating channel

Technical Field

The utility model belongs to the technical field of the rotational moulding machine is relevant, more specifically says, relates to a rotational moulding machine with retinue heating channel.

Background

Rotational molding, known as rotational molding, is widely used in industrial production. Most of the rotational molding processes at the present stage adopt a drying oven type heating method, the defects of the processes are obvious, and the energy utilization rate is low due to repeated opening and closing of an oven door. The less jacket type is used, the outer surface of the die is heated, the heating is uneven, the installation is complex, and the repeated disassembly is needed.

Regarding the rotational molding machine, the chinese patent application No. is: 201720253003.5, the announcement date is: 2017-11-17, which comprises a base, wherein a mounting frame is arranged on the base, two sides of the mounting frame are rotatably arranged on the base through rotating shafts, a rotating frame is arranged on the mounting frame, a rotational molding die is arranged in the middle of the rotating frame, a front roller component and a rear roller component are arranged at two ends of the mounting frame, the front roller component and the rear roller component are arranged between a first transmission shaft and a second transmission shaft, two ends of the first transmission shaft and two ends of the second transmission shaft are fixed at two ends of the mounting frame through shaft sleeves, a driving device for driving the rotating frame and the rotational molding die to rotate is arranged on the first transmission shaft, a first heating device for heating the rotational molding die and a height adjusting mechanism are arranged in the middle of the mounting frame, and a second heating device for heating the bottom of the rotational molding die and a position adjusting mechanism are arranged on one side, close to the driving device, of the mounting frame.

The Chinese patent application numbers are: 200920009083.5, the announcement date is: the 'heat preservation cover type energy-saving rotational molding machine' of 2010-01-27 is characterized in that a semi-open type heat preservation cover arranged on a support platform of a swinging rotational molding die or a split type heat preservation cover arranged on a rotating frame of the rotating rotational molding machine forms a closed heat preservation space at the upper part of the rotational molding die, and the heat preservation cover moves along with the die; the heat-insulating cover can prevent heat from dissipating to the surrounding space, saves heating energy consumption, enables part of the transmission mechanism to be isolated outside a high-temperature environment, prolongs the service life of mechanical transmission structure parts, and reduces the failure rate.

The Chinese patent application numbers are: 201810832519.4, publication date is: 2020-02-07 'a rotational molding machine', which comprises a control arm, a rotating shaft, a rotating wheel and a driving pump, wherein two sides of the control arm are respectively provided with a rotating body, the rotating body comprises a mold, the driving pump is arranged at the outer end of the control arm, the rotating wheel is sleeved with a shell, the shell is fixed at the inner end of the control arm, the middle part of the rotating shaft is fixedly connected with the rotating wheel, two discharge holes which are respectively positioned at two sides of the rotating wheel are arranged between the rotating shaft and the shell, a plurality of discharge nozzles are arranged on a mounting seat, the discharge nozzles are aligned to the outer wall surface of the mold on the mounting seat where the discharge nozzles are positioned, the batching nozzles positioned on the two mounting seats are respectively communicated with the two discharge holes, and the driving pump outputs high-pressure and high-temperature liquid or gas or liquid-gas two-phase heat source bodies to the rotating wheel; the rotational molding machine further comprises a kiln, a recovery tray is fixedly arranged in the kiln, the two molds are located above the recovery tray, and the rotating shaft is horizontally arranged.

Disclosure of Invention

1. Problems to be solved

The problem to current rotational moulding machine heat utilization low, product quality is poor, the utility model provides a rotational moulding machine with retinue heating channel can improve its heat utilization in the use, promotes the quality of product.

2. Technical scheme

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

the utility model discloses a rotational moulding machine with along with shape heating channel, including power component and rotational moulding subassembly, the rotational moulding subassembly includes outer frame and rotating turret, outer frame cover is established in the rotating turret outside, power component meets with outer frame and rotating turret respectively. Through the respective control of the outer frame and the rotating frame, the heat energy utilization of the rotating frame in the using process can be improved, and the product quality is improved.

As a further explanation of the utility model, the rotational moulding subassembly still includes the internal frame, the internal frame sets up inside outer frame, forms the passageway between outer frame and the internal frame, the internal frame cover is established in the rotating turret outside. The channel is used for placing components such as pipelines and the like and protecting the pipelines.

As a further explanation of the present invention, the power module includes a base, a motor and a cantilever shaft, the motor and the cantilever shaft are respectively disposed on the base, the motor is connected to the cantilever shaft, and the cantilever shaft is respectively connected to the outer frame and the rotating frame.

As a further explanation of the present invention, the cantilever shaft includes an outer shaft and an inner shaft, the outer shaft of the cantilever shaft is connected to the outer frame, the shaft end portion of the inner shaft of the cantilever shaft is provided with a bevel gear transmission shaft, and the bevel gear transmission shaft is connected to the rotating frame at the end.

As a further explanation of the utility model, the rotational moulding subassembly still includes mould, hot oil interface, advances oil pipe way, goes out oil pipe way, first rotary joint, advances oil pipe way, be provided with the mould on the rotating turret, be provided with hot oil interface on the mould, hot oil interface connection advances oil pipe way and goes out oil pipe way, advance oil pipe way and go out oil pipe way through first rotary joint connection.

As a further explanation of the utility model, the rotational moulding subassembly still includes second rotary joint, oil pipeline, oil return pipe and heating furnace, oil inlet and outlet pipe says and connects oil pipeline and oil return pipe through second rotary joint, oil pipeline and oil return pipe connect the heating furnace respectively.

As a further explanation of the present invention, the present invention further includes a bearing support, wherein the bearing support fixes the cantilever shaft and the oil inlet and outlet pipeline.

As a further explanation of the present invention, the bevel gear transmission shaft uses the bearing to be fixed in the passage, the number of the bevel gear transmission shaft is 3, the first rotary joint and the oil inlet and outlet pipeline are all fixed in the passage, and the oil inlet and outlet pipeline is a stainless steel pipeline.

As a further explanation of the present invention, the medium to be heated in the heating furnace includes one of heat transfer oil and steam.

As a further explanation of the present invention, the mold end portion is provided with a hot oil interface, the mold includes a medium pipeline and a cavity, the outside cladding of the cavity has the medium pipeline, and the medium pipeline end portion is provided with the hot oil interface.

3. Advantageous effects

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

(1) the rotational molding machine with the shape-following heating channel can improve the heat energy utilization in the use process and improve the product quality by respectively controlling the outer frame and the rotating frame;

(2) the utility model discloses a rotational moulding machine with follow-up heating channel, the mould can follow-up the shape through the rotating turret in the use, and the die cavity both sides of mould set up the medium and pass through, and heat transfer efficiency is high, the high quality of product;

(3) the utility model discloses simple structure, reasonable in design easily makes.

Drawings

The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus are not intended to limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.

FIG. 1 is a schematic view of the basic structure of a rotational molding machine with a conformal heating channel according to the present invention;

FIG. 2 is a schematic view of the front view of the mold of the present invention;

fig. 3 is the utility model discloses the mould plan view is cut open the schematic diagram entirely.

In the drawings: 1. a power assembly; 11. a base; 12. a motor; 13. a cantilever shaft; 14. a bevel gear drive shaft;

2. a rotational molding assembly; 21. an outer frame; 22. a rotating frame; 23. an inner frame; 24. a channel; 25. a mold; 251. a media conduit; 252. a cavity; 26. a hot oil interface; 27. an oil inlet pipeline; 28. an oil outlet pipeline; 29. a first rotary joint; 31. an oil inlet and outlet pipeline; 32. a second rotary joint; 33. an oil pipeline; 34. an oil return conduit; 35. heating furnace;

41. and a bearing support.

Detailed Description

The following detailed description of exemplary embodiments of the invention refers to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration exemplary embodiments in which the invention may be practiced. Although these exemplary embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, it should be understood that other embodiments may be realized and that various changes to the invention may be made without departing from the spirit and scope of the present invention. The following more detailed description of the embodiments of the present invention is not intended to limit the scope of the invention, as claimed, but is presented for purposes of illustration only and not limitation to provide the best mode contemplated for carrying out the invention and to enable any person skilled in the art to practice the invention. Accordingly, the scope of the invention is to be limited only by the following claims.

The detailed description and exemplary embodiments of the invention may be better understood when read in conjunction with the following drawings, where the elements and features of the invention are identified by reference numerals.

Example 1

As shown in fig. 1, 2 and 3, the rotational molding machine with the conformal heating channel 24 of the embodiment comprises a power assembly 1, a rotational molding assembly 2 and a bearing support 41, wherein the rotational molding assembly 2 is driven by the power assembly 1, and the bearing support 41 is used for fixing.

The power assembly 1 comprises a base 11, a motor 12, a cantilever shaft 13 and a bevel gear transmission shaft 14, wherein the motor 12 and the cantilever shaft 13 are respectively arranged on the base 11, the motor 12 is connected with the cantilever shaft 13, the cantilever shaft 13 comprises an outer shaft and an inner shaft, the outer shaft of the cantilever shaft 13 is connected with an outer frame 21, the end part of the inner shaft of the cantilever shaft 13 is provided with the bevel gear transmission shaft 14, and the tail end of the bevel gear transmission shaft 14 is connected with a rotating frame 22. The bevel gear drive shafts 14 are fixed in the passages 24 using bearings, and the number of the bevel gear drive shafts 14 is 3. The power assembly 1 is positioned on one side of the rotational molding assembly 2, operation and wiring are convenient to perform, the number of the motors 12 can be two, the rotation of an outer shaft and an inner shaft of the cantilever shaft 13 is controlled respectively, the inner shaft of the cantilever shaft 13 is connected with the conical gear transmission shaft 14 for transmission, the rotating frame 22 and the die 25 in the rotational molding assembly 2 are controlled, the transmission direction can be changed through the three conical gear transmission shafts 14, and the conical gear transmission shaft 14 is fixed in the channel 24 through a bearing.

The rotational molding assembly 2 comprises an outer frame 21, a rotating frame 22, an inner frame 23, a channel 24, a mold 25, a hot oil port 26, an oil inlet pipeline 27, an oil outlet pipeline 28, a first rotary joint 29, an oil inlet and outlet pipeline 31, a second rotary joint 32, an oil pipeline 33, an oil return pipeline 34 and a heating furnace 35.

The inner frame 23 is disposed inside the outer frame 21, a channel 24 is formed between the outer frame 21 and the inner frame 23, and the inner frame 23 is sleeved outside the rotating frame 22. The channel 24 is used for placing pipes and other components and protecting the pipes. The outer shaft and the inner shaft of the cantilever shaft 13 are respectively controlled to the outer frame 21 and the rotating frame 22, so that the heat energy utilization of the cantilever shaft in the use process can be improved, and the product quality is improved.

The rotary frame 22 is provided with a mold 25, the mold 25 is provided with a hot oil interface 26, the hot oil interface 26 is connected with an oil inlet pipeline 27 and an oil outlet pipeline 28, and the oil inlet pipeline 27 and the oil outlet pipeline 28 are connected with an oil inlet pipeline 31 and an oil outlet pipeline 31 through a first rotary joint 29. The oil inlet and outlet pipeline 31 is connected with an oil pipeline 33 and an oil return pipeline 34 through a second rotary joint 32, and the oil pipeline 33 and the oil return pipeline 34 are respectively connected with a heating furnace 35. The first rotary joint 29 and the oil inlet and outlet pipeline 31 are both fixed in the channel 24, the oil inlet and outlet pipeline 31 is a stainless steel pipeline, and the heated medium in the heating furnace 35 is heat conducting oil.

The end part of the mold 25 is provided with a hot oil interface 26, the mold 25 comprises a medium pipeline 251 and a cavity 252, the outside of the cavity 252 is coated with the medium pipeline 251, the end part of the medium pipeline 251 is provided with the hot oil interface 26, and the bearing bracket 41 is used for fixing the cantilever shaft 13 and the oil inlet and outlet pipeline 31.

In actual use, hot oil is supplied through the heating furnace 35, the hot oil reaches the oil inlet pipeline 27 through the oil conveying pipeline 33 and enters the medium pipeline 251 through the hot oil interface 26 to perform heat exchange on the cavity 252 in the mold 25, and the heat-exchanged oil returns to the heating furnace 35 through a pipeline. The first rotary joint 29 is for responding to the need of the rotation of the turret 22, and the second rotary joint 32 is for responding to the need of the rotation of the outer frame 21 without the rotation of the heating furnace 35.

Example 2

In the case of the rotational molding machine having the conformal heating passage 24 of the present embodiment, the heating medium in the heating furnace 35 is water vapor.

Claims

1. A rotomolding machine having a conformal heating tunnel (24), characterized by: including power component (1) and rotational moulding subassembly (2), rotational moulding subassembly (2) are including outer frame (21) and rotating turret (22), outer frame (21) cover is established in the rotating turret (22) outside, power component (1) meets with outer frame (21) and rotating turret (22) respectively.

2. A rotomolding machine having a conformal heating tunnel (24) as claimed in claim 1, wherein: rotational moulding subassembly (2) still include inner frame (23), inner frame (23) set up outside frame (21) inside, form passageway (24) between outer frame (21) and inner frame (23), the rotating turret (22) outside is established to inner frame (23) cover.

3. A rotomolding machine having a conformal heating tunnel (24) as claimed in claim 1, wherein: the power assembly (1) comprises a base (11), a motor (12) and a cantilever shaft (13), wherein the motor (12) and the cantilever shaft (13) are respectively arranged on the base (11), the motor (12) is connected with the cantilever shaft (13), and the cantilever shaft (13) is respectively connected with an outer frame (21) and a rotating frame (22).

4. A rotomoulding machine having a conformal heating pathway (24) as claimed in claim 3, wherein: the cantilever shaft (13) comprises an outer shaft and an inner shaft, the outer shaft of the cantilever shaft (13) is connected with the outer frame (21), a bevel gear transmission shaft (14) is arranged at the end part of the inner shaft of the cantilever shaft (13), and the tail end of the bevel gear transmission shaft (14) is connected with the rotating frame (22).

5. A rotomoulding machine having a conformal heating pathway (24) as claimed in claim 4, wherein: rotational moulding subassembly (2) still includes mould (25), hot oil interface (26), advances oil pipe way (27), goes out oil pipe way (28), first rotary joint (29), business turn over oil pipe way (31), be provided with mould (25) on turret (22), be provided with hot oil interface (26) on mould (25), advance oil pipe way (27) and go out oil pipe way (28) are connected in hot oil interface (26), advance oil pipe way (27) and go out oil pipe way (31) through first rotary joint (29) with oil pipe way (28).

6. A rotomoulding machine having a conformal heating pathway (24) as claimed in claim 5, wherein: rotational moulding subassembly (2) still includes second rotary joint (32), oil pipeline (33), oil return pipe way (34) and heating furnace (35), oil pipeline (33) and oil return pipe way (34) are connected through second rotary joint (32) in oil inlet and outlet pipe way (31), heating furnace (35) are connected respectively in oil pipeline (33) and oil return pipe way (34).

7. A rotomoulding machine having a conformal heating pathway (24) as claimed in claim 5, wherein: the oil pump also comprises a bearing support (41), wherein the bearing support (41) is used for fixing the cantilever shaft (13) and the oil inlet and outlet pipeline (31).

8. A rotomoulding machine having a conformal heating pathway (24) as claimed in claim 5, wherein: the bevel gear transmission shafts (14) are fixed in the channel (24) by using bearings, the number of the bevel gear transmission shafts (14) is 3, the first rotary joint (29) and the oil inlet and outlet pipeline (31) are fixed in the channel (24), and the oil inlet and outlet pipeline (31) is a stainless steel pipeline.

9. A rotomoulding machine having a conformal heating pathway (24) as claimed in claim 6, wherein: the heated medium in the heating furnace (35) comprises one of heat conduction oil and water vapor.

10. A rotomoulding machine having a conformal heating pathway (24) as claimed in claim 5, wherein: the end part of the die (25) is provided with a hot oil interface (26), the die (25) comprises a medium pipeline (251) and a cavity (252), the outside of the cavity (252) is coated with the medium pipeline (251), and the end part of the medium pipeline (251) is provided with the hot oil interface (26).