CN210233731U

CN210233731U - Rotational molding machine oven heat recovery device

Info

Publication number: CN210233731U
Application number: CN201921024060.1U
Authority: CN
Inventors: Zhenyu Qiao; 乔振宇
Original assignee: Tianjin Innovation Yuanda Plastic Products Co Ltd
Current assignee: Tianjin Innovation Yuanda Plastic Products Co Ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-04-03
Anticipated expiration: 2029-07-03

Abstract

The utility model relates to a rotational moulding machine technical field, and a rotational moulding machine oven heat reclamation device is disclosed, which comprises an oven, preheating box and heat collecting box, the preheating box is located the fixed setting in upper end of oven, the heat collecting box is located the fixed setting in left side of oven, the lower extreme fixedly connected with heat absorption pipe of heat collecting box, the one end of heat collecting box and the left side wall fixed connection of preheating box are kept away from to the heat absorption pipe, the fixed first suction fan that is equipped with in inside of heat absorption pipe, the upper end fixedly connected with heat pipe of heat collecting box, the one end that the heat collecting box was kept away from to the heat pipe and the left side wall fixed connection of preheating box, the fixed second suction fan that is equipped with in inside of heat pipe, the one end that the heat pipe. The utility model discloses can effectively carry out recycle to heat in the oven, avoid the heat to run off and cause the energy extravagant, and can treat the resin of heating and evenly preheat, the people of being convenient for use.

Description

Rotational molding machine oven heat recovery device

Technical Field

The utility model relates to a rotational moulding machine technical field especially relates to a rotational moulding machine oven heat reclamation device.

Background

Rotational molding of a rotational molding machine is a technological method for molding hollow plastic products, and is also called rotational molding, rotational molding or rotary molding, the rotational molding machine can not be heated by an oven during working, the oven generally consists of a box body and a heating device, the heat sources used by the rotational molding machine at present mainly comprise electric energy, combustible gas, fuel oil and the like, the rotational molding die is mainly heated by hot air circulation, liquid medium circulation, infrared heating, direct flame heating, molten salt spraying and the like, and the hot air circulation method is most commonly applied.

At present, a rotational molding machine oven is generally heated by adopting a fuel oil type hot air heating mode, but in the prior art, hot air in the oven is generally directly discharged into the air, so that not only is heat pollution caused, but also heat loss is caused, the heat cannot be fully utilized, and energy waste is caused, therefore, the rotational molding machine oven heat recovery device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the hot-blast direct emission to the air in generally of oven among the prior art, not only caused thermal pollution, still caused thermal loss, can not get up heat make full use of, cause the extravagant problem of the energy, and the rotational moulding machine oven heat reclamation device who provides.

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

a rotational molding machine oven heat recovery device comprises an oven, a preheating box and a heat collecting box, wherein the preheating box is fixedly arranged at the upper end of the oven, the heat collecting box is fixedly arranged at the left side of the oven, the lower end of the heat collecting box is fixedly connected with a heat absorbing pipe, one end, away from the heat collecting box, of the heat absorbing pipe is fixedly connected with the left side wall of the preheating box, a first suction fan is fixedly arranged inside the heat absorbing pipe, the upper end of the heat collecting box is fixedly connected with a heat conducting pipe, one end, away from the heat collecting box, of the heat conducting pipe is fixedly connected with the left side wall of the preheating box, a second suction fan is fixedly arranged inside the heat conducting pipe, one end, located inside the preheating box, of the heat conducting pipe is rotatably connected with a sleeve through a first rolling bearing, the other end of the sleeve is fixedly connected with an air, the upper end of the rotating shaft is fixedly connected with a tray, and a driving mechanism is further arranged inside the preheating box.

Preferably, the heat collecting box comprises an outer box and an inner box, the inner box is arranged inside the outer box, the outer side wall of the inner box is fixedly connected with the outer box through a plurality of fixing rods, and the outer box and the inner box are arranged in a vacuum mode.

Preferably, one end of the pipe wall of the heat conducting pipe, which is close to the heat collecting box, is fixedly provided with a control valve.

Preferably, actuating mechanism includes rotating electrical machines and bull stick, the rotating electrical machines is located the fixed setting of left lateral wall lower extreme of preheating cabinet, the output of rotating electrical machines passes through the shaft coupling and is connected with the left end rotation of bull stick, the right-hand member of bull stick runs through the left side wall of preheating cabinet and extends to the inside setting of preheating cabinet, and the pole wall of bull stick passes through third antifriction bearing and rotates with the preheating cabinet to be connected, the fixed cover of pole wall of bull stick has first sprocket, the fixed second sprocket that has cup jointed of telescopic lateral wall, first sprocket passes through chain drive with the second sprocket and is connected, the right-hand member fixedly connected with spur gear of bull stick, the fixed crown gear that has cup jointed of the axle wall of pivot, the spur gear is connected with the crown gear meshing.

Preferably, the heat absorbing pipe and the heat conducting pipe are sleeved with heat insulating sleeves.

Preferably, the exterior of the preheating box, the oven and the heat collecting box are coated with heat insulating paint.

Compared with the prior art, the utility model provides a rotational moulding machine oven heat reclamation device possesses following beneficial effect:

1. this rotational moulding machine oven heat recovery unit through mutually supporting of the heat absorption pipe that is equipped with, first suction fan, heat collecting box, heat pipe, second suction fan, can retrieve the heat in the oven to in preheating the leading-in heat of retrieving, preheat the resin of treating the heating, avoid the heat waste.

2. This rotational moulding machine oven heat reclamation device can make sleeve and jet-propelled head rotate through mutually supporting of the rotating electrical machines, bull stick, first sprocket, second sprocket, sleeve and the jet-propelled head that are equipped with to in making the even blowing-in of heat preheat the case, through mutually supporting of rotating electrical machines, bull stick, straight-teeth gear, crown gear, pivot and tray, can make the pivot drive the tray rotatory, thereby can make the resin on the tray be heated evenly.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can effectively carry out recycle to heat in the oven, avoid the heat to run off and cause the energy extravagant, and can treat the resin of heating and evenly preheat, the people of being convenient for use.

Drawings

Fig. 1 is a schematic structural view of a heat recovery device for an oven of a rotational molding machine according to the present invention;

fig. 2 is an internal structure schematic diagram of a heat recovery device for an oven of a rotational molding machine according to the present invention.

In the figure: the device comprises an oven 1, a preheating box 2, a heat absorption pipe 3, a first suction fan 4, a heat conduction pipe 5, a second suction fan 6, a sleeve 7, an air nozzle 8, a rotating shaft 9, a tray 10, an inner box 11, an outer box 12, a fixed rod 13, a control valve 14, a rotating motor 15, a rotating rod 16, a first chain wheel 17, a second chain wheel 18, a straight gear 19, a crown gear 20 and a heat insulation sleeve 21.

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.

Referring to fig. 1-2, a rotational molding machine oven heat recovery device comprises an oven 1, a preheating box 2 and a heat collecting box, wherein the preheating box 2 is fixedly arranged at the upper end of the oven 1, the heat collecting box is fixedly arranged at the left side of the oven 1, the lower end of the heat collecting box is fixedly connected with a heat absorbing pipe 3, one end of the heat absorbing pipe 3, far away from the heat collecting box, is fixedly connected with the left side wall of the preheating box 2, a first suction fan 4 is fixedly arranged inside the heat absorbing pipe 3, a heat conducting pipe 5 is fixedly connected with the upper end of the heat collecting box, one end of the heat conducting pipe 5, far away from the heat collecting box, is fixedly connected with the left side wall of the preheating box 2, a second suction fan 6 is fixedly arranged inside the heat conducting pipe 5, one end of the heat conducting pipe 5, far away from the inside of the preheating box 2, is rotatably connected with a sleeve 7 through, the upper end of the rotating shaft 9 is fixedly connected with a tray 10, and a driving mechanism is also arranged in the preheating box 2.

The heat collecting box comprises an outer box 12 and an inner box 11, the inner box 11 is located inside the outer box 12, the outer side wall of the inner box 11 is fixedly connected with the outer box 12 through a plurality of fixing rods 13, and the outer box 12 and the inner box 11 are in vacuum arrangement, so that the heat preservation effect of the heat collecting box can be improved, and heat dissipation loss is avoided.

A control valve 14 is fixedly arranged at one end of the pipe wall of the heat conduction pipe 5 close to the heat collection box, and the heat conduction pipe 5 can be closed when the preheating box 2 is not used.

The driving mechanism comprises a rotating motor 15 and a rotating rod 16, the rotating motor 15 is fixedly arranged at the lower end of the left outer side wall of the preheating box 2, the output end of the rotating motor 15 is rotatably connected with the left end of the rotating rod 16 through a coupler, the right end of the rotating rod 16 penetrates through the left side wall of the preheating box 2 and extends into the preheating box 2, the rod wall of the rotating rod 16 is rotatably connected with the preheating box 2 through a third rolling bearing, a first chain wheel 17 is fixedly sleeved on the rod wall of the rotating rod 16, a second chain wheel 18 is fixedly sleeved on the outer side wall of the sleeve 7, the first chain wheel 17 is connected with the second chain wheel 18 through chain transmission, a straight gear 19 is fixedly connected with the right end of the rotating rod 16, a crown gear 20 is fixedly sleeved on the shaft wall of the rotating shaft 9, the straight gear 19 is meshed with the crown gear 20, the rotating motor 15 drives the rotating rod 16 to rotate, the rotating rod 16 drives the first chain wheel 17 to rotate, the first chain wheel, the second chain wheel 18 drives the sleeve 7 and the air nozzle 8 to rotate, so that heat is uniformly blown into the preheating box 2, the rotating rod 16 also drives the straight gear 19 to rotate, the straight gear 19 drives the crown gear 20 to rotate, and the crown gear 20 drives the rotating shaft 9 and the tray 10 to rotate, so that resin on the tray 10 can be uniformly heated.

The heat-insulating sleeves 21 are sleeved outside the heat-absorbing pipes 3 and the heat-conducting pipes 5, so that the heat-insulating performance of the heat-absorbing pipes 3 and the heat-conducting pipes 5 can be improved, and heat dissipation is reduced.

The exterior of the preheating box 2, the oven 1 and the heat collecting box are coated with heat insulation coatings, so that the heat insulation performance of the preheating box 2, the oven 1 and the heat collecting box is improved.

In the utility model, when in use, the resin to be heated is put on the tray 10 in the preheating box 2, the first suction fan 4 sucks the heat in the oven 1 into the heat absorption pipe 3 and guides the heat collection box into China, the second suction fan 6 sucks the heat in the heat collection box and blows the heat into the preheating box 2 through the heat conduction pipe 5, the sleeve 7 and the air nozzle 8, the rotating motor 15 is started, the rotating motor 15 drives the rotating rod 16 to rotate, the rotating rod 16 drives the first chain wheel 17 to rotate, the first chain wheel 17 drives the second chain wheel 18 to rotate through the chain, the second chain wheel 18 drives the sleeve 7 and the air nozzle 8 to rotate, thereby the heat is blown into the preheating box 2 uniformly, the rotating rod 16 also drives the straight gear 19 to rotate, the straight gear 19 drives the crown gear 20 to rotate, the crown gear 20 drives the rotating shaft 9 and the tray 10 to rotate, thereby the resin on the tray 10 can be heated uniformly, and the heat of the oven 1 can be recycled, energy waste is avoided.

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 rotational molding machine oven heat recovery device comprises an oven (1), a preheating box (2) and a heat collecting box, and is characterized in that the preheating box (2) is fixedly arranged at the upper end of the oven (1), the heat collecting box is fixedly arranged at the left side of the oven (1), the lower end of the heat collecting box is fixedly connected with a heat absorbing pipe (3), one end, away from the heat collecting box, of the heat absorbing pipe (3) is fixedly connected with the left side wall of the preheating box (2), a first suction fan (4) is fixedly arranged inside the heat absorbing pipe (3), the upper end of the heat collecting box is fixedly connected with a heat conducting pipe (5), one end, away from the heat collecting box, of the heat conducting pipe (5) is fixedly connected with the left side wall of the preheating box (2), a second suction fan (6) is fixedly arranged inside the heat conducting pipe (5), one end, located inside the preheating box (2), of the heat conducting pipe (5) is rotatably connected with a sleeve, the other end fixed connection of sleeve (7) is by jet head (8), the lower inside wall of preheating cabinet (2) is rotated through second antifriction bearing and is connected with pivot (9), the upper end fixedly connected with tray (10) of pivot (9), the inside of preheating cabinet (2) still is equipped with actuating mechanism.

2. The rotomolding machine oven heat recovery device of claim 1, wherein the heat collecting box comprises an outer box (12) and an inner box (11), the inner box (11) is arranged inside the outer box (12), the outer side wall of the inner box (11) is fixedly connected with the outer box (12) through a plurality of fixing rods (13), and a vacuum arrangement is formed between the outer box (12) and the inner box (11).

3. A rotomoulding machine oven heat recovery device as claimed in claim 1, characterised in that the end of the walls of the heat pipes (5) close to the heat collection box is fixedly provided with a control valve (14).

4. The heat recovery device for the oven of the rotational molding machine according to claim 1, wherein the driving mechanism comprises a rotary motor (15) and a rotary rod (16), the rotary motor (15) is fixedly arranged at the lower end of the left outer side wall of the preheating box (2), the output end of the rotary motor (15) is rotatably connected with the left end of the rotary rod (16) through a shaft coupling, the right end of the rotary rod (16) penetrates through the left side wall of the preheating box (2) and extends to the inner part of the preheating box (2), the rod wall of the rotary rod (16) is rotatably connected with the preheating box (2) through a third rolling bearing, the rod wall of the rotary rod (16) is fixedly sleeved with a first chain wheel (17), the outer side wall of the sleeve (7) is fixedly sleeved with a second chain wheel (18), the first chain wheel (17) is connected with the second chain wheel (18) through a chain transmission, the right end of the rotary rod (16) is fixedly connected with a straight gear (19), the shaft wall of the rotating shaft (9) is fixedly sleeved with a crown gear (20), and the straight gear (19) is in meshed connection with the crown gear (20).

5. A rotomoulding machine oven heat recovery device as claimed in claim 1, wherein the outside of the heat absorbing pipe (3) and the heat conducting pipe (5) are both sheathed with a thermal insulating sleeve (21).

6. A rotomoulding machine oven heat recovery device as claimed in claim 1, characterised in that the exterior of the preheating box (2), oven (1) and heat collection box are coated with insulating paint.