CN214061213U

CN214061213U - Extrusion type hot melting scribing machine and heat preservation device thereof

Info

Publication number: CN214061213U
Application number: CN202022346651.XU
Authority: CN
Inventors: 姚亮
Original assignee: Shenzhen Sanhe Special Equipment Co ltd
Current assignee: Shenzhen Sanhe Special Equipment Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-08-27
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a heat preservation device of extrusion formula hot melt line printer, extrusion formula hot melt line printer includes frame, storage vat, heating device, rule fill and extrusion device, and extrusion device can carry the coating in the storage vat to in the rule fill, and the heat preservation device includes insulating tube and sets up hot oil tank, oil pump and the first oil pipe that leads on the frame in proper order, and the insulating tube includes the first coating conveyer pipe that is connected with the discharge gate of extrusion device and the feed inlet of rule fill respectively, overlaps the heat preservation cover of establishing on first coating conveyer pipe and is located the second oil pipe that leads between first coating conveyer pipe and the heat preservation cover; the oil outlet end of the first oil guide pipe is connected with the oil inlet end of the second oil guide pipe; the oil inlet end of the hot oil tank is connected with the oil outlet end of the second oil guide pipe. The utility model discloses be favorable to keeping coating to maintain at the constant temperature at the in-process of carrying. Furthermore, the utility model also provides an extrude formula hot melt line printer.

Description

Extrusion type hot melting scribing machine and heat preservation device thereof

Technical Field

The utility model relates to a road marking off equipment technical field, concretely relates to extrude formula hot melt line printer and heat preservation device thereof.

Background

The hot-melt line marking machine is widely applied to marking out road lines on the ground of roads, high and whole highways, parking lots, squares and runways, plays a great role in city planning and highway construction by the advantages of rapidness, high efficiency, accuracy and the like, and saves the construction period and economic investment of road surface construction to the maximum extent.

When an existing hot-melt scribing machine works, the coating in the storage barrel is generally directly conveyed into the scribing hopper by using the extruding device, so that the scribing hopper is used for coating road markings, and the existing coating conveying mode can cause more heat loss of the coating in the conveying process.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide an extrude formula hot melt line printer and heat preservation device thereof aims at solving the current mode of carrying coating and leads to the more technical problem of coating loss heat.

In order to achieve the above object, the utility model provides a heat preservation device of extrusion formula hot melt line printer, extrusion formula hot melt line printer includes the frame and sets up storage vat, heating device, rule fill and extrusion device on the frame, extrusion device can carry the coating in the storage vat to in the rule fill, heat preservation device includes the insulating tube and sets up hot oil tank, oil pump and the first oil pipe that leads that switches on in proper order on the frame, the insulating tube includes the first coating conveyer pipe that is connected with the discharge gate of extrusion device and the feed inlet of rule fill respectively, the cover is established at the insulating cover on the first coating conveyer pipe and is located the second oil pipe between first coating conveyer pipe and the insulating cover; the oil outlet end of the first oil guide pipe is connected with the oil inlet end of the second oil guide pipe; and the oil inlet end of the hot oil tank is connected with the oil outlet end of the second oil guide pipe.

Preferably, the heat preservation device further comprises a temperature sensor arranged at the oil outlet end of the hot oil tank.

Preferably, the heat preservation device is still including setting up cold oil tank and solenoid valve on the frame, the oil feed end of cold oil tank with the second leads oil pipe's the end of producing oil to be connected, the oil feed end of cold oil tank with the oil feed end of hot oil tank is connected, the solenoid valve is located the oil feed end department of cold oil tank.

Preferably, the oil inlet end of the cold oil tank is located at the bottom of the cold oil tank, the oil outlet end of the cold oil tank is located at the top of the cold oil tank, and the oil outlet end of the cold oil tank is provided with a one-way valve.

Preferably, the hot oil tank is disposed at the top of the cold oil tank.

Preferably, the second oil conduit is spirally wound on the first paint delivery pipe.

Preferably, one end of the second oil guide pipe close to the discharge hole of the first paint conveying pipe is an oil inlet end, and one end of the second oil guide pipe close to the feed hole of the first paint conveying pipe is an oil outlet end.

The utility model discloses further provide an extrude formula hot melt line printer, this extrude formula hot melt line printer includes the frame and sets up storage vat, heating device, rule fill, extrusion device and above-mentioned heat preservation device on the frame, and this heat preservation device includes the insulating tube and sets up hot oil tank, oil pump and the first oil pipe that leads on the frame and switch on in proper order, the insulating tube includes respectively with the discharge gate of extrusion device and the feed inlet of rule fill connect first coating conveyer pipe, cover establish the heat preservation cover on the first coating conveyer pipe and lie in the first coating conveyer pipe with the second oil pipe of leading between the heat preservation cover; the oil outlet end of the first oil guide pipe is connected with the oil inlet end of the second oil guide pipe; and the oil inlet end of the hot oil tank is connected with the oil outlet end of the second oil guide pipe.

The embodiment of the utility model provides an extrude formula hot melt line printer's heat preservation device carries the conduction oil after heating in the first conduction oil pipe to first conduction oil pipe through the oil pump in to the heat that utilizes the conduction oil to carry heats the coating in the first coating conveyer pipe, and so that the coating through first coating pipe maintains in the constant temperature, with the smoothness degree that has improved the coating and carry in first coating conveyer pipe. Meanwhile, the heating device is used for heating the heat conduction oil in the first oil guide pipe, so that additional energy consumption is not required.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a heat preservation device of the middle extrusion type hot melt line marking machine of the present invention;

FIG. 2 is a schematic structural view of another embodiment of the insulating unit shown in FIG. 1;

FIG. 3 is a schematic structural view of the insulating tube shown in FIG. 2;

FIG. 4 is a schematic diagram of the hot oil tank, the cold oil tank and the solenoid valve shown in FIG. 2;

fig. 5 is a cross-sectional view of the extrusion apparatus illustrated in fig. 1.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

The utility model provides an extrude heat preservation device of formula hot melt line printer, as shown in fig. 1 to 3, extrude formula hot melt line printer and include frame 1 and set up storage vat 2 on frame 1, heating device 3, rule fill 4 and extrusion device 5, extrusion device 5 can carry the coating in the storage vat 2 to in the rule fill 4, heat preservation device 6 includes insulating tube 610 and sets up hot oil tank 620, oil pump 630 and the first oil pipe 640 that switches on in proper order on frame 1, insulating tube 610 includes the first coating conveyer pipe 611 that is connected with the discharge gate of extrusion device 5 and the feed inlet of rule fill 4 respectively, the cover is established at the insulating cover 612 on first coating conveyer pipe 611 and is located the second oil pipe 613 between first coating conveyer pipe 611 and insulating cover 612; the oil outlet end of the first oil guide pipe 640 is connected with the oil inlet end of the second oil guide pipe 613; the oil inlet end of the hot oil tank 620 is connected to the oil outlet end of the second oil guide pipe 613.

In the present embodiment, the existing extrusion type hot melt scribing machine generally includes a vehicle frame 1, a storage bin 2 disposed on the vehicle frame 1, a heating device 3, a scribing hopper 4, and an extrusion device 5, and the above arrangement is arranged with reference to the existing form, and will not be described in detail herein. The main improvement point of the scheme is that a heat preservation device 6 is added, the heat preservation device 6 comprises a heat preservation pipe 610, and a hot oil tank 620, an oil pump 630 and a first oil guide pipe 640 which are arranged on the frame 1 and sequentially communicated, and the mode of communicating the hot oil tank 620, the oil pump 630 and the first oil guide pipe 640 can be realized through a pipeline. The heat preservation pipe 610 includes a first coating material delivery pipe 611, a heat preservation sleeve 612, and a second oil guiding pipe 613, two ends (i.e., a feed inlet and a discharge outlet) of the first coating material delivery pipe 611 are respectively connected to a discharge outlet of the extrusion device 5 and a feed inlet of the scribing hopper 4, the heat preservation sleeve 612 is sleeved on the first coating material delivery pipe 611, the second oil guiding pipe 613 is located between the first coating material delivery pipe 611 and the heat preservation sleeve 612, and the heat preservation sleeve 612 can be made of a material according to actual conditions. Specifically, the first oil conduit 640 is located in a heating area of the heating device 3, and an oil outlet end of the first oil conduit 640 is connected to an oil inlet end of the second oil conduit 613, and the heating device 3 is preferably a component for heating the paint in the storage vat 2, such as a gas burner provided with a flame burner at the bottom of the storage vat 2. At this time, it is preferable that the first oil conduit 640 is arranged at the bottom of the storage bin 2 in a reciprocating S-shape to facilitate increasing the area heated by the first oil conduit 640. Meanwhile, the oil outlet end of the first oil guide pipe 640 is connected to the oil inlet end of the second oil guide pipe 613, and the oil inlet end of the hot oil tank 620 is connected to the oil outlet end of the second oil guide pipe 613. Of course, a heating member, such as an electric heating device, for heating the heat conducting oil in the first oil guiding pipe 640 may be separately provided. In this embodiment, the heat conduction oil heated in the first oil conduction pipe 640 is conveyed to the first oil conduction pipe 640 through the oil pump 630, so that the heat carried by the heat conduction oil is used to heat the paint in the first paint conveying pipe 611, and thus the paint passing through the first paint pipe is maintained at a constant temperature, and the smoothness of conveying the paint in the first paint conveying pipe 611 is improved. Meanwhile, the heating device 3 is used for heating the heat conducting oil in the first oil guide pipe 640, so that additional energy consumption is not required.

In a preferred embodiment, since the power of the heating device 3 is generally maintained in a stable state, it is preferable that a temperature sensor is provided at the oil outlet of the hot oil tank 620, so that the power of the oil pump 630 can be conveniently controlled according to the temperature of the heat transfer oil output from the hot oil tank 620, and thus the heat transfer oil can be maintained at a constant temperature, and the paint in the first paint delivery pipe 611 can be maintained at a constant temperature.

In a preferred embodiment, as shown in fig. 2 and 4, the thermal insulation device 6 further comprises a cold oil tank 650 and a solenoid valve 660 disposed on the frame 1, wherein an oil inlet end of the cold oil tank 650 is connected to an oil outlet end of the second oil guide pipe 613, and may be connected to an oil inlet end of the cold oil tank 650, an oil inlet end of the hot oil tank 620 and an oil outlet end of the second oil guide pipe 613 respectively through a tee pipe, and an oil outlet of the cold oil tank 650 is connected to an oil inlet end of the hot oil tank 620. At this time, it is preferable that the hot oil tank 620 has two oil inlet ends, i.e., a first oil inlet end and a second oil inlet end, the first oil inlet end is connected to the oil outlet end of the second oil guide pipe 613, and the second oil inlet end is communicated with the oil outlet end of the cold oil tank 650 through a pipeline. Meanwhile, the solenoid valve 660 is preferably located at an oil inlet end of the cold oil tank 650 so as to control a flow direction of the conduction oil. At this time, it is preferable that the volume of the cold oil tank 650 is much greater than the volume of the hot oil tank 620, that is, the volume of the hot oil tank 620 is small, so that the amount of circulating heat transfer oil is reduced in a state where the solenoid valve 660 is closed, thereby facilitating improvement of the temperature rise efficiency of the heat transfer oil. In this embodiment, by additionally providing the cold oil tank 650, when the temperature of the heat transfer oil at the oil outlet of the hot oil tank 620 exceeds the preset temperature, the electromagnetic valve 660 is opened, so that the heat transfer oil in the cold oil tank 650 can enter the hot oil tank 620, and the temperature of the heat transfer oil in the hot oil tank 620 is reduced.

In a preferred embodiment, as shown in FIG. 4, it is preferred that the oil inlet end of the cold oil tank 650 is located at the bottom of the cold oil tank 650, and the oil outlet end of the cold oil tank 650 is located at the top of the cold oil tank 650. At this time, it is preferable that the heat transfer oil in the cold oil tank 650 is maintained at the oil outlet end of the cold oil tank 650, so that the heat transfer oil originally located in the cold oil tank 650 can enter the hot oil tank 620 through the oil outlet end of the cold oil tank 650 after the electromagnetic valve 660 controls the heat transfer oil to enter the cold oil tank 650. In this embodiment, the oil inlet end and the oil outlet end of the cold oil tank 650 are respectively arranged at the bottom and the top thereof, so that more heat transfer oil in a low temperature state can enter the hot oil tank 620 by increasing the distance between the oil inlet end and the oil outlet end, thereby facilitating the increase of the cooling efficiency of the heat transfer oil in the hot oil tank 620.

In a preferred embodiment, as shown in fig. 4, it is preferable that the hot oil tank 620 is disposed at the top of the cold oil tank 650, that is, the cold oil tank 650 and the hot oil tank 620 are arranged in a stacked manner, which is beneficial to reducing the area occupied by the vehicle frame 1, thereby reducing the volume of the whole line marking machine. At this time, it is preferable that the conduction oil in the cold oil tank 650 is maintained in a saturated state so as to prevent the conduction oil in the hot oil tank 620 from entering the cold oil tank 650. Of course, a check valve can be arranged at the oil outlet end of the cold oil tank 650, so that the heat conducting oil in the hot oil tank 620 can not enter the cold oil tank 650.

In a preferred embodiment, the second oil conduit 613 is preferably spirally wound around the first coating material delivery pipe 611, and the specific number of windings is determined according to the actual situation. Of course, it is also possible that the outer surface of the first paint delivery pipe 611 is configured with a screw groove and the second oil guide pipe 613 is embedded in the screw groove, thereby facilitating to increase the efficiency of heat conduction by increasing the contact area. Wherein the screw groove may be constructed in such a manner that a screw fin is formed on the first dope delivery pipe 611.

In a preferred embodiment, the end of the second oil guiding pipe 613 near the outlet of the first paint delivery pipe 611 is preferably an oil inlet end, and the end of the second oil guiding pipe near the inlet of the first paint delivery pipe 611 is preferably an oil outlet end, so as to ensure the temperature of the paint delivered from the first paint delivery pipe 611.

In a preferred embodiment, the first paint delivery pipe 611 is preferably made of a flexible material, particularly a high temperature resistant flexible material, so that the first paint delivery pipe 611 can deform along with the scribe bucket 4 during the folding or lifting of the scribe bucket 4, thereby preventing the operation of the scribe bucket 4 from being affected.

The utility model discloses further provide an extrude formula hot melt ruling machine, this extrude formula hot melt ruling machine frame 1 and set up storage vat 2, heating device 3, ruling fill 4, extrusion device 5 on the frame 1 and heat preservation device 6 in the above-mentioned embodiment, this heat preservation device 6's concrete structure refers to above-mentioned embodiment, owing to this extrude formula hot melt ruling machine has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, does not have here repeated description one by one again.

As shown in fig. 5, it is preferable that the extrusion apparatus 5 includes a second paint delivery pipe 501, a worm 502, and a driving member 503, two ends (i.e., a discharge port and a feed port) of the second paint delivery pipe 501 are respectively connected to a feed port of the first paint delivery pipe 611 and a discharge port of the storage bin 2, the feed port of the second paint delivery pipe 501 is located in the circumferential direction of the second paint delivery pipe 501, the worm 502 is located in the second paint delivery pipe 501, and the driving member 503 is disposed on the second paint delivery pipe 501 for driving the worm 502 to rotate, so as to facilitate the paint delivery into the scribing hopper 4 by the rotation of the worm 502, and the driving member 503 may be in the form of a hydraulic motor, an electric motor, a rotary cylinder, and the like. In this case, the second oil guide pipe 613 and the thermal insulation sleeve 612 may be disposed on the second paint delivery pipe 501 in the form of the thermal insulation pipe 610, which is described above, so as to reduce heat loss during the paint delivery process.

The above is only the part or the preferred embodiment of the present invention, no matter the characters or the drawings can not limit the protection scope of the present invention, all under the whole concept of the present invention, the equivalent structure transformation performed by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the protection scope of the present invention.

Claims

1. The heat preservation device of the extrusion type hot melt line marking machine comprises a frame, a storage barrel, a heating device, a line marking hopper and an extrusion device, wherein the storage barrel, the heating device, the line marking hopper and the extrusion device are arranged on the frame; the oil outlet end of the first oil guide pipe is connected with the oil inlet end of the second oil guide pipe; and the oil inlet end of the hot oil tank is connected with the oil outlet end of the second oil guide pipe.

2. The thermal insulation device according to claim 1, further comprising a temperature sensor provided at an oil outlet of the hot oil tank.

3. The heat preservation device of claim 2, further comprising a cold oil tank and an electromagnetic valve arranged on the frame, wherein an oil inlet end of the cold oil tank is connected with an oil outlet end of the second oil guide pipe, an oil outlet end of the cold oil tank is connected with an oil inlet end of the hot oil tank, and the electromagnetic valve is located at the oil inlet end of the cold oil tank.

4. The thermal insulation device according to claim 3, wherein the oil inlet end of the cold oil tank is located at the bottom of the cold oil tank, the oil outlet end of the cold oil tank is located at the top of the cold oil tank, and a check valve is arranged at the oil outlet end of the cold oil tank.

5. The thermal insulation device according to claim 3, wherein the hot oil tank is provided on a top of the cold oil tank.

6. The insulation apparatus of claim 1, wherein the second oil conduit is helically wound around the first paint delivery conduit.

7. The heat preservation device of claim 1 or 6, wherein an end of the second oil conduit near the discharge port of the first paint delivery pipe is an oil inlet end, and an end of the second oil conduit near the feed port of the first paint delivery pipe is an oil outlet end.

8. An extrusion hot melt scribing machine, comprising the heat retaining device according to any one of claims 1 to 7.

9. The extrusion-type hot-melt line marking machine according to claim 8, wherein the extrusion device comprises a second paint conveying pipe, a worm arranged in the second paint conveying pipe, and a driving piece for driving the worm to rotate, a feeding hole of the second paint conveying pipe is located on a side wall of the second paint conveying pipe and connected with a discharging hole of the storage barrel, and a discharging hole of the second paint conveying pipe is connected with a feeding hole of the first paint conveying pipe.