CN114985211B - Combined high-pressure hot-melting spraying head - Google Patents
Combined high-pressure hot-melting spraying head Download PDFInfo
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- CN114985211B CN114985211B CN202210915550.0A CN202210915550A CN114985211B CN 114985211 B CN114985211 B CN 114985211B CN 202210915550 A CN202210915550 A CN 202210915550A CN 114985211 B CN114985211 B CN 114985211B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/001—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work incorporating means for heating or cooling the liquid or other fluent material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Abstract
The invention is suitable for the technical field of hot-melt spraying heads, and provides a combined high-pressure hot-melt spraying head which comprises a main pipeline, wherein a feed inlet is formed in one side of the main pipeline, a fixed spraying head is arranged on the other side of the main pipeline, a plurality of movable spraying heads are detachably connected to two sides of the fixed spraying head on the main pipeline, the movable spraying heads are sequentially arranged from a position close to the fixed spraying head to a position far away from the fixed spraying head, spraying ports of the movable spraying heads and spraying ports of the fixed spraying heads are matched to form a main spraying port, power supply grooves are formed in two sides of the fixed spraying heads, and a power supply contact connected with corresponding heating wires is arranged on one side of each movable spraying head and corresponds to the power supply grooves.
Description
Technical Field
The invention relates to the technical field of hot-melting spray heads, in particular to a combined high-pressure hot-melting spray head.
Background
One kind liquefies solid material through the mode of heating melting during hot melt spray head, then the material spraying after with the hot melt through the pressurization is in needs position department, then material solidification after the cooling to obtain the shape that needs or fixed material, at present, carry out the shape through the spray head after the hot melt of solid and fix, prior art uses 3D to print, the mucilage binding is more with fields such as marking off, but hot melt spray head among the prior art has following shortcoming:
1. the existing hot-melt spray head can not change the spray width of the spray head, so that the spray head can not adapt to different environments when in use, the spray head needs to be replaced to adapt to different environments, and the cost of the more smooth spray head is increased;
2. the existing hot-melt spraying head is easy to cool and fix at the spraying head, so that the spraying head is fixed and blocked after hot melting is fixed.
In view of the foregoing, it is apparent that the prior art has inconvenience and disadvantages in practical use, and thus, needs to be improved.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide a combined high-pressure hot-melt spraying head, which can ensure that the material after hot melting does not block the spraying head due to fixation inside the spraying head by arranging a heating mechanism outside the discharge hole, and at the same time, by arranging a combined structure capable of adjusting the width of the spraying head, the spraying head can meet the requirements of different environments, the adjustability of the hot-melt spraying head is increased, the labor and time costs for replacing the hot-melt spraying head in different environments are reduced, and the application range is wider.
In order to achieve the purpose, the invention provides a combined high-pressure hot-melting spraying head which comprises a main pipeline, wherein a feed inlet is formed in one side of the main pipeline, a fixed spraying head is arranged in the other side of the main pipeline, a plurality of movable spraying heads are detachably connected to two sides of the fixed spraying head on the main pipeline, heating wires are arranged in the main pipeline, the fixed spraying heads and the movable spraying heads, the movable spraying heads are sequentially arranged from a position close to the fixed spraying head to a position far away from the fixed spraying head, spraying ports of the movable spraying heads and spraying ports of the fixed spraying heads are matched to form a main spraying port, power supply grooves connected with the corresponding heating wires are formed in two sides of the fixed spraying head, power supply contacts connected with the corresponding heating wires are correspondingly arranged on one side of the movable spraying heads, power supply grooves are also formed in the other side of the movable spraying heads, the adjacent power supply grooves and the power supply contacts are matched and connected, and the tops of the movable spraying heads are inserted in the main pipeline.
According to the combined high-pressure hot-melting spraying head, sliding plates are arranged on two sides of the fixed spraying head in a sliding mode, through holes corresponding to the power supply grooves are formed in the sliding plates, pressure springs for enabling the sliding plates to move towards the bottom of the fixed spraying head are arranged on the top of the sliding plates, and the sliding plates are used for plugging two sides of a spraying opening of the fixed spraying head under the action of the pressure springs.
According to the combined high-pressure hot-melt spray head of the invention, the movable spray head comprises: the spraying device comprises a shell, a spraying hole is formed in the top of the shell, a spraying port is formed in the bottom of the mounting hole, a power supply groove is formed in one side of the shell, a sliding plate is arranged on one side, located on the power supply groove, of the shell, a pressure spring for enabling the sliding plate to move towards the bottom of a movable spraying head is arranged on the top of the sliding plate, the sliding plate seals one side, close to the sliding plate, of the spraying port under the action of the pressure spring, and a power supply contact is arranged on the other side of the shell; the heating wire is wound outside the hot melting pipe, the hot melting pipe is inserted into the mounting hole, and the matching part inserted into the main pipeline is arranged at the top of the hot melting pipe.
According to the combined high-pressure hot-melt spraying head, the inside of the shell is provided with the sliding hole, the power supply contact is connected to the inside of the sliding hole in a sliding mode, and the bottom of the power supply contact is connected with the bottom of the sliding hole through the contact spring.
According to the combined high-pressure hot-melt spraying head, the shell is further provided with a fixing hole communicated with the bottom of the sliding hole, a clamping piece is connected inside the fixing hole in a sliding mode, the top of the clamping piece is provided with an obstacle avoidance groove and a wedge-shaped convex edge arranged inside the obstacle avoidance groove, and the wedge-shaped convex edge fixes the position of the power supply contact when the clamping piece slides to a certain position.
According to the combined high-pressure hot-melting spraying head, the top of the power supply contact is provided with the wedge-shaped structure, and the bottom of the power supply contact is provided with the stress part matched with the wedge-shaped convex edge.
According to the combined high-pressure hot-melting spraying head, the bottom of the main pipeline is provided with the matching cylinder which is arranged corresponding to the matching part, the outer wall of the bottom of the matching cylinder is provided with the first feeding hole, and the matching part is inserted into the matching cylinder.
According to the combined high-pressure hot-melt spraying head, the inside of the matching barrel is slidably connected with the sealing plug, the sealing plug is downwards slidably arranged between the top of the sealing plug and the matching barrel, when the matching part is not inserted into the matching barrel, the sealing plug is pressed by the sealing plug to seal the first feeding hole, the outer wall of the matching part is provided with the second feeding hole which is arranged corresponding to the first feeding hole, and when the matching part is inserted into the matching barrel, the first feeding hole and the second feeding hole are overlapped.
According to the combined high-pressure hot-melting spraying head disclosed by the invention, when the movable spraying head is installed, the power supply contact is inserted into the through hole, the sliding plate upwards slides to the position where the through hole is overlapped with the power supply groove, the power supply contact is inserted into the power supply groove, and the clamping piece is slid to fix the power supply contact.
The invention provides a combined high-pressure hot-melting spraying head, which comprises a main pipeline, wherein a feed inlet is arranged on one side of the main pipeline, a fixed spraying head is arranged on the other side of the main pipeline and is used as a basic mounting structure, when a subsequent movable spraying head is mounted, the fixed spraying head is firstly used as a base to ensure that the width of a whole total spraying opening is increased on the basis of the fixed spraying head, a plurality of movable spraying heads are detachably connected on the two sides of the fixed spraying head on the main pipeline, the width of the whole spraying head can be assembled and adjusted according to different use scenes, heating wires are arranged inside the main pipeline, the fixed spraying head and the movable spraying head, so that when the melted fixed material is sprayed, the material is kept in a molten state in the spraying head at any time, and the material is prevented from being solidified and blocked inside the spraying heads, the movable spraying head is installed from the position adjacent to the fixed spraying head in sequence to the position far away from the fixed spraying head, the spraying ports of the movable spraying head and the spraying ports of the fixed spraying head are matched to form a total spraying port after the spraying heads are assembled, power supply grooves connected with the corresponding heating wires are arranged on two sides of the fixed spraying head, power supply contacts connected with the corresponding heating wires and arranged corresponding to the power supply grooves are arranged on one side of the movable spraying head, a power supply groove is also arranged on the other side of the movable spraying head, the power supply grooves and the power supply contacts are connected in a matched mode, the power supply contacts and the power supply grooves in the movable spraying head are matched to supply power after the movable spraying head is installed, power is supplied to all the installed movable spraying heads, and therefore the internal heating wires are heated by power, in conclusion, the invention has the technical effects that the heating mechanism is arranged on the outer side of the discharge hole, so that the phenomenon that the spray head is blocked due to fixation of the hot-melted materials in the spray head is avoided, meanwhile, the combined structure capable of adjusting the spraying width of the spray head is arranged, so that the spray head is ensured to adapt to different environment requirements, the adjustability of the hot-melting spray head is increased, and the labor and time cost for replacing the hot-melting spray head in different environments are reduced.
Drawings
FIG. 1 is a schematic view of the assembled movable spray head of the present invention; FIG. 2 is a schematic cross-sectional view of the plugging plug of FIG. 1; FIG. 3 is a sectional view of the power supply contact of FIG. 1; FIG. 4 is a schematic view of a side perspective view of the slide plate of the movable spray head of the present invention; FIG. 5 is a schematic perspective view of one side of a power supply contact of the movable spray head of the present invention; FIG. 6 is a schematic perspective view of an unassembled movable spray head of the present invention; FIG. 7 is a perspective view of a thermal fuse of the present invention; FIG. 8 is a perspective view of the fastener of the present invention; FIG. 9 is a perspective view of the skateboard of the present invention; fig. 10 is a perspective view of the power supply contact of the present invention; FIG. 11 is an enlarged view of the portion A of FIG. 3; in the figure, 1-a feed port, 2-a sealing plug, 21-a sealing head, 22-a sliding rod, 3-a main pipeline, 31-a matching cylinder, 32-a first feed hole, 4-a movable spraying head, 41-a hot melting pipe, 411-a second feed hole, 412-a heating wire, 42-a clamping piece, 421-a limiting plate, 422-a wedge-shaped convex edge, 423-an obstacle avoiding groove, 43-a sliding plate, 431-a convex column, 432-a through hole, 433-a limiting head, 44-a pressure spring, 45-a shell, 46-a power supply contact, 461-a contact spring, 462-a stress part, 463-a wedge-shaped structure, 47-a joint part, 48-a spraying port, 49-a sliding plate groove, 5-a fixed spraying head, 51-a material channel, 52-a power supply groove and 6-a sealing spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1, 2, 3, 4, 5, 6, 7 and 9, the present invention provides a combined high-pressure hot-melt spray head, which includes a main pipeline 3, a feed inlet 1 is provided at one side of the main pipeline 3, a fixed spray head 5 is provided at the other side of the main pipeline 3, the fixed spray head 5 is used as a basic mounting structure, when the movable spray head 4 is mounted, firstly, the fixed spray head 5 is used as a basis to ensure that the width of the whole total spray opening is increased on the basis of the fixed spray head 5, a plurality of movable spray heads 4 are detachably connected to two sides of the fixed spray head 5 on the main pipeline 3, the width of the whole spray head can be assembled and adjusted according to different usage scenarios, heating wires 412 are provided inside the main pipeline 3, the fixed spray head 5 and the movable spray head 4, when the molten fixed material is sprayed, the material keeps a molten state inside the spray head, so as to prevent the material from being solidified and blocked inside the spray head, the movable spray head 4 is provided with a power supply groove 52, the movable spray head 52 is provided at a position adjacent to the fixed spray head 5, the movable spray head 52 is provided with a power supply groove 52, the power supply groove 52 is provided corresponding to the movable spray head 52, the movable spray head 4, the movable spray head 52 is provided at one side of the spray head 52, the corresponding to the spray head 4, and the spray head 4, the spray head 52, the spray head is provided with the power supply groove 52, after the movable spraying heads 4 are installed, the power supply contacts 46 and the power supply grooves 52 in the movable spraying heads 4 are matched for supplying power, so that all the installed movable spraying heads are supplied with power, the internal heating wires 412 are heated by using power, the tops of the movable spraying heads 4 are inserted into the main pipeline 3, the materials in the main pipeline 3 are supplied into the installed movable spraying heads 4, the width of a total spraying opening is adjusted, when the movable spraying heads 4 are installed, the power supply contacts 46 are inserted into the through holes 432, meanwhile, the sliding plates 43 slide upwards to the position where the through holes 432 coincide with the power supply grooves 52, the power supply contacts 46 are inserted into the power supply grooves 52, and meanwhile, the clamping pieces 42 are slid to fix the power supply contacts 46.
Referring to fig. 4, 5 and 9, preferably, sliding plates 43 are slidably disposed on two sides of the fixed spray head 5 of the present invention, through holes 432 disposed corresponding to the power supply grooves 52 are disposed on the sliding plates 43, a pressure spring 44 for moving the sliding plates 43 toward the bottom of the fixed spray head 5 is disposed on the top of the sliding plates 43, the pressure spring 44 is sleeved on a boss 431 disposed on the top of the sliding plate 43, so as to ensure that the sliding plates 43 block two sides of the spray opening 48 of the fixed spray head 5 under the action of the pressure spring 44, and at the same time, sliding plate grooves 49 are disposed on two sides of the fixed spray head 5, the sliding plates 43 are slidably connected inside the sliding plate grooves 49, and by disposing the sliding plates 43, it is ensured that when the movable spray head 4 is not mounted, the limiting heads 433 on the bottom of the sliding plates 43 are attached to two sides of the spray opening 48 of the fixed spray head 5 under the action of the pressure spring 44, so as to ensure that the spray opening 48 does not leak from the side of the spray opening 48.
Referring to fig. 1, 2, 3, 4, 5 and 7, in addition, the movable spray head 4 of the present invention comprises: the spraying device comprises a shell 45, wherein a mounting hole is formed in the top of the shell 45, a spraying port 48 is formed in the bottom of the mounting hole, the power supply groove 52 is formed in one side of the shell 45, a sliding plate 43 is arranged on one side, located in the power supply groove 52, of the shell 45, a pressure spring 44 for moving the sliding plate 43 towards the bottom of the fixed spraying head 5 is arranged at the top of the sliding plate 43, the sliding plate 43 blocks two sides of the spraying port 48 under the action of the pressure spring 44, and a power supply contact 46 is arranged on the other side of the shell 45, so that one side of the power supply contact 46 of the movable spraying head 4 is arranged on the fixed spraying head 5, and meanwhile, a joint part 47 at the bottom of the movable spraying head 4 is tightly attached to the spraying port 48 at the bottom of the sliding plate 43, so that a gap between the movable spraying head 4 and the fixed spraying head 5 after the movable spraying head 4 is fixed is prevented from occurring, and materials leak out from the gap between the fixed spraying head, and the spraying quality is influenced; the heating wire 412 is wound outside the hot melting pipe 41, the hot melting pipe 41 is inserted into the mounting hole, a matching part inserted into the main pipeline 3 is arranged at the top of the hot melting pipe 41, and materials inside the main pipeline 3 enter the spraying port 48 under the action of pressure through the hot melting pipe 41 for spraying.
Referring to fig. 3, 5, 8 and 11, further, a sliding hole is provided in the housing 45 of the present invention, the power supply contact 46 is slidably connected to the inside of the sliding hole, the bottom of the power supply contact 46 and the bottom of the sliding hole are connected through a contact spring 461, so as to ensure the connection between the power supply contact 46 and the corresponding heating wire 412, when the power supply contact 46 abuts against the inside of the power supply groove 52, the power supply groove 52 can supply power and heat the corresponding power supply contact 46, the housing 45 is further provided with a fixing hole communicated with the bottom of the sliding hole, the inside of the fixing hole is slidably connected with a fastening member 42, the top of the fastening member 42 is provided with an obstacle avoidance groove 423 and a wedge-shaped flange 422 provided in the obstacle avoidance groove 423, when the fastening member 42 slides to a certain position, the top of the power supply contact 46 is provided with a wedge-shaped structure 463, the bottom of the power supply contact flange 46 is provided with a stressed portion 462 cooperating with the wedge-shaped flange 423, when the power supply contact 46 needs to be fixed, when the power supply contact is required, the power supply contact with the power supply contact 46, the power supply contact is prevented from moving, the power supply contact with the power supply contact 46, when the fastening contact is not required to the power supply contact with the power supply contact groove 52, the power supply contact 46 is not required to the power supply groove 52, and the fastening member 422, the fastening member 46 is not required to be pressed on the other side of the power supply groove 52.
Preferably, a matching cylinder 31 corresponding to the matching portion is arranged at the bottom of the main pipeline 3, a first feed hole 32 is arranged on the outer wall of the bottom of the matching cylinder 31, the matching portion is inserted into the matching cylinder 31, a sealing plug 2 is slidably connected inside the matching cylinder 31, a sealing spring 6 for sliding the sealing plug 2 downwards is arranged between the top of the sealing plug 2 and the matching cylinder 31, the sealing plug 2 comprises a sealing plug 21 for sealing the first feed hole 32 and a sliding rod 22 arranged at the top of the sealing plug 21, a limiting flange is arranged at the top of the sliding rod 22, under the action of the sealing spring 6, the sliding rod 22 and the limiting flange, when the matching portion is not inserted into the matching portion inside the matching cylinder 31, the sealing plug 21 slides to the position for sealing the first feed hole 32, so as to prevent the material inside the main pipeline 3 from overflowing from the inside of the matching cylinder 31, when the matching portion is not inserted into the matching cylinder 31, the sealing plug 2 is pressed to seal the first feed hole 32, when the matching portion is inserted into the matching cylinder 31, the second feed hole 411 is matched with the second feed hole 32, and the material is sprayed into the second feed hole 411, and the second feed hole 411 is arranged corresponding to the second feed hole 411, and the second feed hole 48.
In this embodiment, referring to fig. 1 to 11, in use, the width of the spraying opening 48 of the fixed spraying head 5 is fixed and cannot be changed, the feeding material is fed through the feeding opening 1, and then the spraying material is discharged from the spraying opening 48, at this time, the plug inside the fitting cylinder 31 on the main pipeline 3 plugs the first feeding hole 32, the material is discharged only through the spraying opening 48 of the fixed spraying head 5, when the width of the spraying opening 48 needs to be changed, the movable spraying head 4 is assembled on the side surface of the fixed spraying head 5, during assembly, the power supply contact 46 is firstly aligned and inserted into the through hole 432 on the sliding plate 43 on one side of the fixed spraying head 5, then the movable spraying head 4 is slid upwards to drive the sliding plate 43 to slide upwards, when the through hole 432 on the sliding plate 43 is overlapped with the power supply groove 52 on the fixed spraying head 5, the power supply contact 46 is inserted into the corresponding power supply groove 52 under the action of the contact spring 461, at the moment, the limiting plate 421 on the clamping member 42 is pressed, the clamping member 42 moves, meanwhile, the wedge-shaped convex edge 422 on the clamping member 42 is matched with the stressed portion 462, the power supply contact 46 is fixed, the power supply contact 46 is prevented from retracting into the sliding hole, the matching portion at the moment is inserted into the matching barrel 31, the top of the matching portion jacks up the sealing plug, the first feeding hole 32 and the second feeding hole 411 are overlapped, the material in the main pipeline 3 enters the material channel 51 for feeding, meanwhile, the spraying port 48 of the movable spraying head 4 is combined with the spraying head of the fixed spraying head 5 to form a total spraying port, the attaching portion 47 at the bottom of the shell is tightly attached to the spraying port 48 of the fixed spraying head 5, the material is prevented from leaking out from the gap between the two, the spraying quality of the spraying port 48 is influenced, after the assembly is finished, the other side of the movable spraying head 4 is provided with a sliding plate 43 structure which is the same as the fixed spraying head 5, the other movable spraying head 4 can be normally assembled and disassembled, when the movable spraying head 4 is disassembled, the clamping piece 42 is firstly moved to the other side, then the movable spraying head 4 slides downwards, the power supply contact 46 at the moment is contracted under the action of the wedge-shaped structure 463, and then the movable spraying head 4 can be disassembled.
In summary, the present invention provides a combined high-pressure hot-melt spraying head, including a main pipeline, a feed inlet is provided at one side of the main pipeline, a fixed spraying head is provided at the other side of the main pipeline, the fixed spraying head is used as a basic mounting structure, when a subsequent movable spraying head is mounted, the fixed spraying head is firstly used as a basis to ensure that the width of the whole total spraying opening is increased on the basis of the fixed spraying head, a plurality of movable spraying heads are detachably connected at two sides of the fixed spraying head on the main pipeline, the width of the whole spraying head can be assembled and adjusted according to different use scenes, heating wires are provided inside the main pipeline, the fixed spraying head and the movable spraying head, when the melted fixed material is sprayed, the material is kept in a molten state inside the spraying head constantly, so as to prevent the material from solidifying and blocking inside the spraying head, the movable spraying heads are sequentially mounted from a position adjacent to the fixed spraying head to a position far away from the fixed spraying head, so as to ensure that the spraying heads are provided with a power supply groove for connecting the movable spraying head, and the movable spraying head are provided with a power supply groove, and a power supply groove for connecting the movable spraying head, and a power supply groove for correspondingly, are provided in the movable spraying head, the top of the movable spraying head is inserted into the main pipeline, so that the materials in the main pipeline are supplied to the insides of the installed movable spraying heads, and the width of a total spraying port is adjusted.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Claims (7)
1. A combined high-pressure hot-melting spraying head is characterized by comprising a main pipeline, wherein a feed inlet is formed in one side of the main pipeline, a fixed spraying head is arranged in the other side of the main pipeline, a plurality of movable spraying heads are detachably connected to two sides of the fixed spraying head on the main pipeline, heating wires are arranged in the main pipeline, the fixed spraying heads and the movable spraying heads, the movable spraying heads are sequentially installed from positions close to the fixed spraying heads to positions far away from the fixed spraying heads, spraying ports of the movable spraying heads and spraying ports of the fixed spraying heads are matched to form a total spraying port, power supply grooves connected with the corresponding heating wires are formed in two sides of the fixed spraying heads, power supply contacts connected with the corresponding heating wires are arranged in one side of each movable spraying head in a corresponding mode, power supply grooves are formed in the other side of the movable spraying heads, the adjacent power supply grooves and the power supply contacts are matched and connected, the tops of the movable spraying heads are inserted into the main pipeline, sliding plates are arranged in two sides of the fixed spraying heads, through holes arranged in corresponding to the power supply grooves are formed in the sliding modes, the tops of the sliding plates are arranged at the bottoms of the fixed spraying heads, and the spraying springs are used for plugging the pressure of the spraying springs;
the movable spray head comprises:
the spraying device comprises a shell, a spraying hole is formed in the top of the shell, a spraying port is formed in the bottom of the mounting hole, a power supply groove is formed in one side of the shell, a sliding plate is arranged on one side, located on the power supply groove, of the shell, a pressure spring for enabling the sliding plate to move towards the bottom of a movable spraying head is arranged on the top of the sliding plate, the sliding plate seals one side, close to the sliding plate, of the spraying port under the action of the pressure spring, and a power supply contact is arranged on the other side of the shell;
the heating wire is wound outside the hot melting pipe, the hot melting pipe is inserted into the mounting hole, and the matching part inserted into the main pipeline is arranged at the top of the hot melting pipe.
2. The combined high-pressure hot-melt spray head as claimed in claim 1, wherein a sliding hole is formed in the housing, the power supply contact is slidably connected to the inside of the sliding hole, and the bottom of the power supply contact and the bottom of the sliding hole are connected through a contact spring.
3. The combined high-pressure hot-melt spray head according to claim 2, wherein the housing is further provided with a fixing hole communicated with the bottom of the sliding hole, a clamping member is slidably connected inside the fixing hole, the top of the clamping member is provided with an obstacle avoidance groove and a wedge-shaped convex edge arranged inside the obstacle avoidance groove, and the wedge-shaped convex edge fixes the position of the power supply contact when the clamping member slides to a certain position.
4. The combined high-pressure hot-melt spray head as claimed in claim 3, wherein a wedge-shaped structure is provided at the top of the power supply contact, and a force-bearing portion engaged with the wedge-shaped convex edge is provided at the bottom of the power supply contact.
5. The combined high-pressure hot-melt spray head according to any one of claims 3 to 4, wherein a matching cylinder arranged corresponding to the matching part is arranged at the bottom of the main pipeline, a first feed hole is arranged on the outer wall of the bottom of the matching cylinder, and the matching part is inserted into the matching cylinder.
6. The combined high-pressure hot-melt spraying head as claimed in claim 5, wherein a sealing plug is slidably connected to the inside of the fitting cylinder, a sealing spring for sliding the sealing plug downward is arranged between the top of the sealing plug and the fitting cylinder, the sealing plug is pressed by the sealing spring to seal the first feeding hole when the fitting part is not inserted into the fitting cylinder, a second feeding hole corresponding to the first feeding hole is arranged on the outer wall of the fitting part, and the first feeding hole and the second feeding hole are overlapped when the fitting part is inserted into the fitting cylinder.
7. The combined high-pressure hot-melt spray head according to claim 6, wherein when the movable spray head is installed, the power supply contact is inserted into the through hole, the slide plate slides upwards to a position where the through hole coincides with the power supply groove, the power supply contact is inserted into the power supply groove, and the clamping member slides to fix the power supply contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210915550.0A CN114985211B (en) | 2022-08-01 | 2022-08-01 | Combined high-pressure hot-melting spraying head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210915550.0A CN114985211B (en) | 2022-08-01 | 2022-08-01 | Combined high-pressure hot-melting spraying head |
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| CN114985211A CN114985211A (en) | 2022-09-02 |
| CN114985211B true CN114985211B (en) | 2022-10-25 |
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| CN114985211A (en) | 2022-09-02 |
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