Coating and extruding tool bit for hot-melting road marking machine and hot-melting road marking machine

Abstract

The utility model discloses a coating and extruding tool bit for a hot-melting road marking machine and the hot-melting road marking machine, the coating and extruding tool bit comprises a control assembly connected with a machine body of the hot-melting road marking machine; the tool bit assembly is arranged corresponding to a coating outlet of the hot melting road marking machine, and the tool bit assembly is movably connected with the control assembly, so that the control assembly drives the tool bit assembly to open or close the coating outlet; and the limiting assemblies are arranged at the two opposite ends of the tool bit assemblies and fixedly connected with the tool bit assemblies, and the limiting assemblies are used for limiting the axial displacement of the tool bit assemblies and / or adjusting the gap between any two adjacent tool bit assemblies. The coating and extruding tool bit for the hot melting road marking machine can accurately control the outflow thickness of coating and the marking width.

Description

TECHNICAL FIELD

[0001] The utility model relates to road marking technical field especially is related to a kind of for hot melt road marking machine's coating extrusion tool bit and hot melt road marking machine. BACKGROUND

[0002] With the continuous development of automation equipment, hot melt road marking machine is applied more and more widely.

[0003] In the related art, the coating tool bit of hot melt road marking machine is a key component of hot melt road marking machine. It is mainly used to evenly coat the hot-melted coating on the road surface. When the coating is heated to a molten state in the hot melt road marking machine, through the action of the coating tool bit, the coating can be distributed with appropriate thickness and uniformity, just like using a special "knife" to evenly lay the coating on the object.

[0004] However, the coating extrusion tool bit of the hot melt road marking machine in the related art cannot accurately control the thickness of the coating and the width of the marking line. SUMMARY

[0005] The utility model aims at at least one of the technical problems existing in the prior art. Therefore, one purpose of the utility model is to provide a coating extrusion tool bit for hot melt road marking machine. The coating extrusion tool bit can accurately control the outflow thickness of the coating and the width of the marking line.

[0006] Another purpose of the utility model is to provide a hot melt road marking machine.

[0007] According to the coating extrusion tool bit for hot melt road marking machine provided by the utility model, the coating extrusion tool bit comprises:

[0008] A control assembly is connected to the body of the hot melt road marking machine.

[0009] A tool bit assembly is arranged corresponding to the coating outlet of the hot melt road marking machine. The tool bit assembly is movably connected to the control assembly, so that the control assembly drives the tool bit assembly to open or close the coating outlet.

[0010] A limiting assembly is arranged at opposite ends of the tool bit assembly and is fixedly connected to the tool bit assembly. The limiting assembly is used to limit the axial displacement of the tool bit assembly and / or adjust the gap between any two adjacent tool bit assemblies.

[0011] The utility model discloses a coating and extruding tool bit for hot melt road marking machine, through setting control assembly, can control the start -stop state of tool bit assembly through control assembly, control assembly can control the rotation angle of tool bit assembly with high accuracy, can change the marking thickness and width of hot melt road marking machine, can improve the marking precision of hot melt road marking machine further, through setting tool bit assembly, control assembly can drive tool bit assembly rotation to open or close the coating outlet of hot melt road marking machine, through setting limiting component, the displacement of tool bit assembly along its axial direction can be limited, and the gap between any two adjacent tool bit assemblies can be adjusted, so that tool bit assembly can be sealed coating and can be flexible activity, and the stability of tool bit assembly can be improved, and the stability and safety of hot melt road marking machine are improved synchronously.

[0012] In some examples of the utility model, the control assembly comprises:

[0013] The driving member is connected with the tool bit assembly, and is used to drive the tool bit assembly to rotate to open or close the coating outlet.

[0014] The adjusting support is arranged at one end of the driving member away from the tool bit assembly, one end of the adjusting support is connected with the machine body, and the adjusting support is used to adjust the opening size of the coating outlet.

[0015] The fixing support is connected with the machine body at one end, the opposite sides of the fixing support are sleeved with the adjusting supports, and the fixing support is used to fixedly install the adjusting supports.

[0016] In some examples of the utility model, the tool bit assembly comprises:

[0017] The gate is connected with the driving member, and the driving member drives the gate to rotate to open or close the coating outlet.

[0018] The hinge shaft is fixedly connected with the machine body, the hinge shaft is arranged opposite to the coating outlet, the axial direction of the hinge shaft is parallel to the extension direction of the coating outlet, and the hinge shaft is used to hinge the gate.

[0019] The baffle is arranged on the two sides of the gate, and the baffle is fixedly connected with the hinge shaft, and the baffle is used to support the hinge shaft.

[0020] In some examples of the utility model, the limiting component comprises:

[0021] The first limiting member and the second limiting member are arranged at opposite ends of the hinge shaft, and opposite sides of the first limiting member are respectively abutted with the gate and the second limiting member.

[0022] In some examples of the present application, the driving member comprises:

[0023] The fixed end is connected with the machine body.

[0024] The driving end is movably connected with the fixed end at one end, and is connected with the gate at the other end.

[0025] In some examples of the present application, the adjusting support comprises:

[0026] The tensioning member is arranged inside the adjusting support, and one end of the tensioning member is fixedly connected with the machine body, and the other end of the tensioning member is abutted with the adjusting support, and the tensioning member is used for providing pre-stress for the adjusting support.

[0027] The hot melt road marking machine provided by the present application comprises:

[0028] The machine body has a paint outlet.

[0029] The coating and extruding tool bit is used for the hot melt road marking machine, and is connected with the machine body and arranged opposite to the paint outlet, and is used for opening or closing the paint outlet.

[0030] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0032] Figure 1 The structure diagram of the coating and extruding tool bit for the hot melt road marking machine provided by the present application is shown in the figure.

[0033] Figure 2The utility model provides a plan view of the extrusion cutter head for the hot melt road marking machine,

[0034] Figure 3 The utility model provides a left view of the extrusion cutter head for the hot melt road marking machine,

[0035] Figure 4 The utility model provides a sectional view of the extrusive cutter head for the hot melt road marking machine,

[0036] Figure 5 The utility model provides a partial structure schematic view of the hot melt road marking machine,

[0037] Figure 6 The utility model discloses Figure 4 The utility model discloses

[0038] Marked with reference numerals:

[0039] 1-hot melt road marking machine,

[0040] 10-extrusion cutter head,

[0041] 20-machine body, 21-paint outlet,

[0042] 100-control assembly, 110-driving part, 111-fixed end, 112-driving end, 120-adjusting support, 121-tensioning part, 130-fixed support,

[0043] 200-cutter head assembly, 210-gate, 220-hinge shaft, 230-baffle,

[0044] 300-limiting assembly, 310-first limiting part, 320-second limiting part. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.

[0046] In the description of the utility model, it needs to be understood that, the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relation shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0047] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixed connection, or detachable connection, or integrally connected, can be mechanical connection, or electrical connection, can be directly connected, or indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0048] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0049] Figure 1 The structure schematic view of the coating and extruding tool bit for the hot melt road marking machine is provided according to the utility model; Figure 2 The top view of the coating and extruding tool bit for the hot melt road marking machine is provided according to the utility model; Figure 3 The left view of the coating and extruding tool bit for the hot melt road marking machine is provided according to the utility model; Figure 4 The sectional view of the coating and extruding tool bit for the hot melt road marking machine is provided according to the utility model; Figure 5 The partial structure schematic view of the hot melt road marking machine is provided according to the utility model; Figure 6 The partial structure schematic view of the hot melt road marking machine is provided according to the utility model; Figure 4 The local enlarged schematic view of A in the middle.

[0050] The following refers to Figures 1-6The following describes a coating and extrusion cutter head 10 for a hot-melt road marking machine 1 according to an embodiment of the present invention, comprising: a control component 100 connected to the body 20 of the hot-melt road marking machine 1; a cutter head assembly 200 correspondingly disposed to the paint outlet 21 of the hot-melt road marking machine 1, the cutter head assembly 200 being movably connected to the control component 100 so that the control component 100 drives the cutter head assembly 200 to open or close the paint outlet 21; and a limiting component 300 disposed at opposite ends of the cutter head assembly 200 and fixedly connected to the cutter head assembly 200, the limiting component 300 being used to limit the axial displacement of the cutter head assembly 200 and / or adjust the gap between any two adjacent cutter head assemblies 200.

[0051] Specifically, the control component 100 can be arranged opposite to the cutter head assembly 200 along the height direction of the hot-melt road marking machine 1. The control component 100 can be fixedly connected to the body 20 of the hot-melt road marking machine 1 via a threaded connection, which facilitates the body 20 to provide support for the control component 100. The height direction of the hot-melt road marking machine 1 can be... Figure 3 The direction indicated by X; the other end of the control component 100 can be movably connected to the cutter head assembly 200 by a hinge, so that the start and stop state of the cutter head assembly 200 can be controlled by the control component 100. The control component 100 can control the rotation angle of the cutter head assembly 200 with high precision, thereby changing the marking thickness and width of the hot melt road marking machine 1, and thus improving the marking accuracy of the hot melt road marking machine 1.

[0052] One end of the cutter head assembly 200 can be abutted against the paint outlet 21 of the hot melt road marking machine 1. The end of the cutter head assembly 200 away from the paint outlet 21 can be movably connected to the control component 100 by a hinge. The axial direction of the cutter head assembly 200 can be parallel to the extension direction of the paint outlet 21. Figure 3 The direction indicated by Y in the middle. This setting facilitates the control component 100 to drive the cutter head assembly 200 to rotate in order to open or close the paint outlet 21 of the hot melt road marking machine 1.

[0053] The limiting component 300 can be fixedly connected to the opposite ends of the hinge shaft 220 of the cutter head assembly 200 by means of hinge, threaded connection, etc. The limiting component 300 can limit the displacement of the cutter head assembly 200 along its axial direction, and can also adjust the gap between any two adjacent cutter head assemblies 200, so that the cutter head assemblies 200 can both seal the paint and move flexibly, thereby improving the stability of the cutter head assembly 200 and simultaneously improving the stability and safety of the hot melt road marking machine 1.

[0054] According to the hot melt road marking machine 1 of the utility model embodiment, the control assembly 100 can be used to control the start-stop state of the cutter head assembly 200, the control assembly 100 can control the rotation angle of the cutter head assembly 200 with high precision, the marking thickness and width of the hot melt road marking machine 1 can be changed, and the marking precision of the hot melt road marking machine 1 can be improved; the cutter head assembly 200 is arranged, the control assembly 100 can drive the cutter head assembly 200 to rotate to open or close the paint outlet 21 of the hot melt road marking machine 1; the limiting assembly 300 is arranged, the displacement of the cutter head assembly 200 along the axial direction thereof can be limited, the gap between any two adjacent cutter head assemblies 200 can be adjusted, the cutter head assemblies 200 can be sealed and can move flexibly, the stability of the cutter head assembly 200 can be improved, and the stability and safety of the hot melt road marking machine 1 can be improved.

[0055] Please continue to see Figures 1-4 As shown in the drawings, according to an embodiment of the utility model, the control assembly 100 comprises: a driving piece 110, the driving piece 110 is connected with the cutter head assembly 200, the driving piece 110 is used to drive the cutter head assembly 200 to rotate to open or close the paint outlet 21; an adjusting support 120, the adjusting support 120 is arranged at one end of the driving piece 110 away from the cutter head assembly 200, one end of the adjusting support 120 is connected with the machine body 20, and the adjusting support 120 is used to adjust the opening size of the paint outlet 21; a fixed support 130, one end of the fixed support 130 is connected with the machine body 20, opposite sides of the fixed support 130 are sleeved with the adjusting support 120, and the fixed support 130 is used to fixedly install the adjusting support 120.

[0056] Specifically, the driving piece 110 can be arranged as a pneumatic cylinder or other driving piece 110, and the utility model embodiment is not limited in this regard. The fixed end 111 of the driving piece 110 can be movably connected with the adjusting support 120 through a shaft pin (not shown in the drawings), and the driving end 112 of the driving piece 110 can be movably connected with the cutter head assembly 200 in a hinged manner. In this way, the driving piece 110 can drive the cutter head assembly 200 to rotate to open or close the paint outlet 21.

[0057] Further, the adjusting support 120 can be configured to have an irregular shape with a through hole, one end of the adjusting support 120 can be fixedly connected with the machine body 20 in a threaded connection manner, and the other end of the adjusting support 120 can be movably connected with the driving member 110 through a shaft pin. The adjusting support 120 can be internally provided with a tensioning member 121, which can provide the adjusting support 120 with an upward pre-stress. By adjusting the tensioning of the tensioning member 121, the height of the adjusting support 120 can be adjusted, so that the position and angle of the driving member 110 can be adjusted, and then the opening size of the paint outlet 21 can be adjusted, so as to accurately control the extrusion thickness and flow rate of the paint.

[0058] The fixed support 130 can be configured as a rectangular long strip structure, and the fixed support 130 can be fixedly connected with the machine body 20 through a bolt connection manner. The opposite sides of the fixed support 130 can be sleeved with the adjusting support 120. In this way, the adjusting support 120 can be telescopically moved along the axial direction of the fixed support 130, and the axial direction of the fixed support 130 is the direction indicated by the arrow B. Figure 1 That is, the fixed support 130 can serve as a guide column of the adjusting support 120, so as to improve the stability of the adjusting support 120, and then the stability of the hot melt road marking machine 1 can be improved.

[0059] Please continue to refer to Figures 1-3 As shown in FIG. 2, according to another embodiment of the present application, the tool head assembly 200 comprises: a gate 210, the gate 210 is connected with the driving member 110, the driving member 110 drives the gate 210 to rotate to open or close the paint outlet 21; a hinge shaft 220, the hinge shaft 220 is fixedly connected with the machine body 20, the hinge shaft 220 is oppositely arranged with the paint outlet 21, and the axial direction of the hinge shaft 220 is parallel to the extension direction of the paint outlet 21, the hinge shaft 220 is used for hingedly connecting the gate 210; a baffle 230, the baffle 230 is arranged on both sides of the gate 210, and the baffle 230 is fixedly connected with the hinge shaft 220, the baffle 230 is used for supporting the hinge shaft 220.

[0060] Specifically, one end of the gate 210 can be movably connected with the hinge shaft 220 through a hinged manner, and abuts against the paint outlet 21, and the other end of the gate 210 can be movably connected with the driving member 110 through a hinged manner. In this way, the driving member 110 can drive the gate 210 to rotate to open or close the paint outlet 21. When the gate 210 rotates in the clockwise direction, the paint outlet 21 can be opened, and when the gate 210 rotates in the counterclockwise direction, the paint outlet 21 can be closed, so that the opening and closing state of the paint outlet 21 can be accurately controlled by controlling the rotation angle of the gate 210, and then the extrusion thickness and flow rate of the paint can be accurately controlled.

[0061] The hinge shaft 220 can be configured in a stepped cylindrical shape, and the hinge shaft 220 can be movably connected to the gate 210 in a hinged manner, so that the plurality of gates 210 can be assembled side by side through the hinge shaft 220. The hinge shaft 220 can be arranged opposite to the paint outlet 21, and the axial direction of the hinge shaft 220 can be parallel to the extension direction of the paint outlet 21, so that the gate 210 can abut against the paint outlet 21 to achieve the closure of the paint outlet 21, and the axial direction of the hinge shaft 220 can be consistent with the axial direction of the tool head assembly 200.

[0062] The baffle 230 can be configured in an L-shaped sheet structure with a through hole at one end, one end of the baffle 230 can be sleeved with the hinge shaft 220 through the through hole, and the other end of the baffle 230 can be fixedly connected to the body 20 of the hot melt road marking machine 1 in a threaded connection manner. The baffle 230 can be arranged on the opposite sides of the gate 210 in the axial direction, and the axial direction of the gate 210 is consistent with the axial direction of the tool head assembly 200. In this way, the baffle 230 can provide support for the hinge shaft 220, so that excessive deformation of the hinge shaft 220 can be avoided, thereby improving the stability of the hot melt road marking machine 1.

[0063] The number of baffles 230 can be multiple, and the number of baffles 230 should match the number of gates 210. In this way, the baffle 230 and the gate 210 can form a separate paint guide channel (not shown in the figure), so that the paint can be divided. When a single or multiple gates 210 are opened side by side, the paint can flow from the paint guide channel corresponding to the opened gate 210 to the paint outlet 21. By arranging the paint guide channel, efficient flow of paint from the paint channel to the paint outlet 21 can be achieved, thereby ensuring real-time supply of paint, and thereby improving the reliability of the hot melt road marking machine 1.

[0064] It should be noted that the number of driving members 110, adjusting supports 120 and gates 210 can be multiple, and the number of driving members 110, adjusting supports 120 and gates 210 should be matched, one adjusting support 120 adjusts one driving member 110, and one driving member 110 drives one gate 210. This facilitates one-to-one matching of the driving member 110, the adjusting support 120 and the gate 210. In this way, the number of opened tool head assemblies 200 can be accurately controlled, thereby accurately controlling the opening width of the paint outlet 21, and thereby accurately controlling the marking width. By arranging the number of matched driving members 110, adjusting supports 120 and gates 210, the variability of the marking width can be achieved, thereby improving the practicability of the hot melt road marking machine 1.

[0065] Please continue to see Figures 1-4As shown, according to another embodiment of the utility model, the limiting assembly 300 comprises: a first limiting piece 310 and a second limiting piece 320, the first limiting piece 310 and the second limiting piece 320 are both arranged at opposite ends of the hinged shaft 220, and the opposite sides of the first limiting piece 310 respectively abut against the gate 210 and the second limiting piece 320, along the axial direction of the hinged shaft 220, the first limiting piece 310 cooperates with the second limiting piece 320 to limit the axial displacement of the gate 210, and / or adjust the gap between any two adjacent gates 210.

[0066] Specifically, the first limiting piece 310 can be configured as an irregular circular ring shape. The outer circle diameter of the first limiting piece 310 should be consistent with the outer circle diameter of the hinged end of the gate 210 and the hinged shaft 220, so that the first limiting piece 310 can abut against the gate 210, ensuring the stability of the side-by-side installation of the gate 210. The diameter of the through hole of the first limiting piece 310 should be slightly larger than the diameter of the hinged shaft 220, so that the first limiting piece 310 can be hinged with the hinged shaft 220. One side of the first limiting piece 310 can be fixedly connected to one side of the gate 210 by screw connection, so as to limit the axial displacement of the gate 210. The number of the first limiting piece 310 can be two, arranged at opposite ends of the hinged shaft 220 close to the gate 210, and fixedly connected to the gate 210 respectively. In this way, the axial displacement of the gate 210 can be limited, thereby improving the stability and reliability of the tool head assembly 200.

[0067] The second limiting piece 320 can be configured as an irregular plate structure with a through hole, one end of the second limiting piece 320 can be fixedly connected to the machine body 20 by screw connection, and one side of the second limiting piece 320 can be fixedly connected to the side of the first limiting piece 310 away from the gate 210 by screw connection. The through hole of the second limiting piece 320 can be hinged with the hinged shaft 220, and the second limiting piece 320 can be fixedly connected to the hinged shaft 220 by screw and gasket connection. In this way, the second limiting piece 320 can limit the axial displacement of the hinged shaft 220. The number of the second limiting piece 320 can be two, arranged at opposite ends of the hinged shaft 220, and fixedly connected to the opposite ends of the hinged shaft 220 respectively. In this way, the axial displacement of the hinged shaft 220 can be limited, thereby improving the stability and reliability of the tool head assembly 200.

[0068] Further, the gap between the first limiting piece 310 and the second limiting piece 320 can be adjusted to adjust the gap between the adjacent gates 210, so that the gates 210 can be sealed and flexible at the same time, thereby improving the practicability of the hot melt road marking machine 1.

[0069] Please continue to see Figures 1-4As shown, according to the optional embodiment of the utility model, the driving member 110 comprises: a fixed end 111 connected with the machine body 20; a driving end 112, one end of the driving end 112 is movably connected with the fixed end 111, and the other end of the driving end 112 is connected with the gate 210.

[0070] One end of the driving end 112 can be movably connected with the other end of the fixed end 111, and the other end of the driving end 112 can be movably connected with the gate 210 through a hinged manner, so that the reciprocating movement of the driving end 112 can drive the cutter head assembly 200 to rotate to open or close the paint outlet 21. The extension length and the retraction length of the driving end 112 can control the rotation angle of the cutter head assembly 200, so that the opening size of the paint outlet 21 can be controlled, and then the extrusion thickness and flow rate of the paint can be accurately controlled.

[0071] Please continue to see Figures 1-4 As shown, according to the optional embodiment of the utility model, the adjusting support 120 comprises: a tensioning member 121, the tensioning member 121 is arranged inside the adjusting support 120, one end of the tensioning member 121 is fixedly connected with the machine body 20, and the other end of the tensioning member 121 abuts against the adjusting support 120, and the tensioning member 121 is used for providing a prestress for the adjusting support 120.

[0072] Specifically, the tensioning member 121 can be a tensioning spring, the tensioning member 121 can be arranged inside the adjusting support 120, one end of the tensioning member 121 can be fixedly connected with the machine body 20 through a welding or riveting connection mode, and the other end of the tensioning member 121 abuts against the adjusting support 120. In this way, the tensioning member 121 can provide an upward prestress for the adjusting support 120, and by adjusting the tensioning degree of the tensioning member 121, the height of the adjusting support 120 can also be adjusted, so that the position and angle of the driving member 110 can be adjusted, and then the opening size of the paint outlet 21 can be adjusted, and the extrusion thickness and flow rate of the paint can be accurately controlled.

[0073] Further, the adjusting support can also comprise an adjusting bolt (not shown in the figure), the adjusting support 120 can be fixedly connected with the machine body 20 through the adjusting bolt, and by adjusting the distance between the adjusting bolt and the machine body 20, the height of the adjusting support 120 can be adjusted, so that the driving member 110 can be driven to move upward or downward, and then the extrusion thickness and flow rate of the paint can be accurately controlled, and the practicability and stability of the hot melt road marking machine 1 can be improved.

[0074] Please continue to see Figures 5-6As shown, according to the hot melt road marking machine 1 provided by the embodiment of the present application, it comprises: a machine body 20, the machine body 20 is provided with a coating outlet 21; a coating extrusion tool bit 10, the coating extrusion tool bit 10 is the coating extrusion tool bit 10 for the hot melt road marking machine 1 in the above embodiment, the coating extrusion tool bit 10 is connected with the machine body 20 and is arranged opposite to the coating outlet 21, and the coating extrusion tool bit 10 is used for opening or closing the coating outlet 21.

[0075] Specifically, the machine body 20 can be made of metal material, for example, aluminum alloy, which has high strength and good machinability, so that the overall strength of the machine body 20 can be effectively improved, and the service life of the hot melt road marking machine 1 can be greatly improved. The machine body 20 is provided with a coating outlet 21, and the coating flows to the coating outlet 21 along the direction of gravity in the machine body 20. The flow direction of the coating in the hot melt road marking machine 1 is the direction indicated by Z. Figure 6

[0076] According to the hot melt road marking machine 1 provided by the embodiment of the present application, the coating extrusion tool bit 10 in the above embodiment is used, wherein the specific structure and working principle of the coating extrusion tool bit 10 have been explained in detail in the above embodiment, and will not be described one by one here.

[0077] According to the coating extrusion tool bit 10 for the hot melt road marking machine 1 and other components of the hot melt road marking machine 1 according to the embodiment of the present application, such as screws, gaskets and the like, and operations are known to those skilled in the art, and will not be described in detail here.

[0078] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0079] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.​

Claims

1. A coating extrusion tip for a hot melt road marking machine, characterized by, The utility model relates to a hot melt road marking machine's coating extruding knife head, including: A control assembly is connected with the body of the hot melt road marking machine; A knife head assembly is arranged corresponding to the coating outlet of the hot melt road marking machine, and the knife head assembly is movably connected with the control assembly, so that the control assembly drives the knife head assembly to open or close the coating outlet; A limiting assembly is arranged at opposite ends of the knife head assembly and is fixedly connected with the knife head assembly, and the limiting assembly is used for limiting the axial displacement of the knife head assembly and / or adjusting the gap between any two adjacent knife head assemblies.

2. The extrusion coating knife head for a hot melt road marking machine of claim 1, wherein, The control assembly includes: A driving member is connected with the knife head assembly, and the driving member is used for driving the knife head assembly to rotate to open or close the coating outlet; An adjusting support is arranged at one end of the driving member away from the knife head assembly, and one end of the adjusting support is connected with the body, and the adjusting support is used for adjusting the opening size of the coating outlet; A fixed support is connected with the body at one end, and the opposite sides of the fixed support are sleeved with the adjusting support, and the fixed support is used for fixedly mounting the adjusting support.

3. The extrusion coating knife head for a hot melt road marking machine of claim 2, wherein, The knife head assembly includes: A gate is connected with the driving member, and the driving member drives the gate to rotate to open or close the coating outlet; A hinge shaft is fixedly connected with the body, and the hinge shaft is arranged opposite to the coating outlet and the axial direction of the hinge shaft is parallel to the extension direction of the coating outlet, and the hinge shaft is used for hinging the gate; A baffle is arranged at both sides of the gate and is fixedly connected with the hinge shaft, and the baffle is used for supporting the hinge shaft.

4. The extrusion coating knife head for a hot melt road marking machine of claim 3, wherein, The limiting assembly includes: A first limiting member and a second limiting member are arranged at opposite ends of the hinge shaft, and the opposite sides of the first limiting member are respectively abutted with the gate and the second limiting member, and along the axial direction of the hinge shaft, the first limiting member and the second limiting member cooperatively limit the axial displacement of the gate and / or adjust the gap between any two adjacent gates.

5. The extrusion coating knife head for a hot melt road marking machine of claim 3, wherein, The driving member includes: A fixed end is connected with the body; A driving end is movably connected with the fixed end at one end, and the other end of the driving end is connected with the gate.

6. The extrusion coating knife head for a hot melt road marking machine of claim 2, wherein, The adjusting support includes: A tensioning member is arranged inside the adjusting support, one end of the tensioning member is fixedly connected with the body, and the other end of the tensioning member is abutted with the adjusting support, and the tensioning member is used for providing pre-stress for the adjusting support.

7. A hot melt lane marking machine characterized by, The utility model relates to a hot melt road marking machine's coating extruding knife head, including: A body has a coating outlet; A coating extruding knife head for a hot melt road marking machine according to any one of claims 1-6 is connected with the body and is arranged opposite to the coating outlet, and the coating extruding knife head is used for opening or closing the coating outlet.

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