CN114985211A - Combined high-pressure hot-melting spraying head - Google Patents
Combined high-pressure hot-melting spraying head Download PDFInfo
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- CN114985211A CN114985211A CN202210915550.0A CN202210915550A CN114985211A CN 114985211 A CN114985211 A CN 114985211A CN 202210915550 A CN202210915550 A CN 202210915550A CN 114985211 A CN114985211 A CN 114985211A
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- spraying
- power supply
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- movable
- head
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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 arranged on 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 with the two sides of the fixed spraying head on the main pipeline, the movable spraying heads are sequentially arranged from the position close to the fixed spraying head to the position far away from the fixed spraying head, spraying ports of the movable spraying heads and the spraying ports of the fixed spraying heads are matched to form a main spraying port, power supply grooves are arranged on the 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 corresponding to the power supply grooves, so that hot-melted materials cannot be fixed in the spraying heads to cause the phenomenon of blocking of the spraying heads, and meanwhile, the spraying heads are ensured to be suitable for different environments, the adjustability of the hot-melt spraying head is increased, and the labor and time cost for replacing the hot-melt spraying head is reduced.
Description
Technical Field
The invention relates to the technical field of hot-melt spraying heads, in particular to a combined high-pressure hot-melt spraying head.
Background
One kind liquefies solid material through heating melting's mode during hot melt spray head, then passes through the material spraying after the pressurization with the hot melt and locates in needs position, then material solidification after the cooling to obtain the shape or the fixed material that need, at present, carry out the shape through the spray head after to solid hot melt and fix, prior art uses in 3D and prints, 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 fixedly blocked after hot melt is fixed.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and 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 spray head, which can ensure that the spray head is not blocked due to fixation of the hot-melted material inside the spray head by arranging a heating mechanism outside the discharge hole, and can also ensure that the spray head can meet the requirements of different environments by arranging a combined structure capable of adjusting the width of the spray head, thereby increasing the adjustability of the hot-melt spray head, reducing the labor and time costs for replacing the hot-melt spray head in different environments, and having a wider application range.
In order to achieve the purpose, the invention provides a combined high-pressure hot-melting spraying head, which comprises a main pipeline, wherein one side of the main pipeline is provided with a feeding hole, the other side of the main pipeline is provided with a fixed spraying head, a plurality of movable spraying heads are detachably connected with the two sides of the fixed spraying head on the main pipeline, heating wires are arranged inside the main pipeline, the fixed spraying heads and the movable spraying heads, the movable spraying heads are sequentially arranged from the position close to the fixed spraying heads to the position far away from the fixed spraying heads, the spraying ports of the movable spraying heads and the spraying ports of the fixed spraying heads are matched to form a total spraying port, the two sides of the fixed spraying heads are provided with power supply grooves connected with the corresponding heating wires, one side of the movable spraying heads is provided with power supply contacts which are correspondingly arranged with the power supply grooves and are connected with the corresponding heating wires, and a power supply groove is also formed in the other side of the movable spraying head, the adjacent power supply grooves are connected with the power supply contact in a matching manner, and the top of the movable spraying head is inserted into 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 opening is formed in the bottom of the spraying 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 fixed spraying head is arranged at the top of the sliding plate, the sliding plate seals two sides of the spraying opening 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 a position close to the fixed spraying head to a position far away from the fixed spraying head in sequence, a plurality of 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, one side of the movable spraying head is provided with a power supply contact which is correspondingly arranged with the power supply grooves and is connected with the corresponding heating wires, the other side of the movable spraying head is also provided with a power supply groove, the power supply grooves and the power supply contacts are connected in a matching way, the power supply contact inside the movable spraying head and the power supply groove are matched to supply power after the movable spraying head is installed, all the installed movable spraying heads are powered, so that the heating wires inside are heated by electricity, and the top of the movable spraying head is inserted into the main pipeline, the width adjustment of the total spraying opening is realized by supplying the material in the main pipeline to the inside of each installed movable spraying head, and the technical effects are that the heating mechanism is arranged on the outer side of the discharge hole, so that the phenomenon that the spraying head is blocked due to fixation of the hot-melted material in the spraying head is avoided, and meanwhile, the combined structure capable of adjusting the width of the spraying head in a spraying mode is arranged, so that the spraying head is ensured to meet the requirements of different environments, the adjustability of the hot-melting spraying head is improved, and the labor and time cost for replacing the hot-melting spraying head in different environments is 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 perspective view of one side of a 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 thermotube according to 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 part A of FIG. 3; in the figure, 1-a feed port, 2-a seal plug, 21-a seal head, 22-a sliding rod, 3-a main pipeline, 31-a matching barrel, 32-a first feed hole, 4-a movable spray head, 41-a hot melt 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 spray port, 49-a sliding plate groove, 5-a fixed spray head, 51-a material channel and 52-a power supply groove, 6-plugging the spring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail 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 a subsequent movable spray head 4 is mounted, firstly, the fixed spray head 5 is used as a base 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 main pipeline 3 located at the fixed spray head 5, the width of the whole spray head can be assembled and adjusted according to different use scenes, heating wires 412 are provided inside the main pipeline 3, the fixed spray head 5 and the movable spray heads 4, when the melted fixed material is sprayed, the material is kept in a molten state in the spraying head at all times, so that the material is prevented from being solidified and blocked in the spraying head, the movable spraying head 4 is installed from a position adjacent to the fixed spraying head 5 to a position far away from the fixed spraying head 5 in sequence, a plurality of spraying ports of the movable spraying head 4 and spraying ports of the fixed spraying head 5 are matched to form a total spraying port after the spraying heads are assembled, power supply grooves 52 connected with the corresponding heating wires 412 are arranged on two sides of the fixed spraying head 5, power supply contacts 46 connected with the corresponding heating wires 412 and arranged corresponding to the power supply grooves 52 are arranged on one side of the shell, power supply grooves 52 are also arranged on the other side of the movable spraying head 4, and the power supply grooves 52 and the power supply contacts 46 are connected in a matching manner, 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, it is preferable that sliding plates 43 are slidably disposed on both sides of the fixed spray head 5 according to the present invention, through holes 432 corresponding to the power supply grooves 52 are disposed on the sliding plates 43, pressure springs 44 for moving the sliding plates 43 toward the bottom of the fixed spray head 5 are disposed on the top of the sliding plates 43, the pressure springs 44 are sleeved on bosses 431 disposed on the top of the sliding plates 43, so as to ensure that the sliding plates 43 block both sides of the spraying openings 48 of the fixed spray head 5 under the action of the pressure springs 44, meanwhile, sliding plate grooves 49 are disposed on both 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 cling to both sides of the spraying openings 48 of the fixed spray head 5 under the action of the pressure springs 44, ensure that the spraying opening 48 does not leak out of the side surface of the spraying opening 48 when discharging.
Referring to fig. 1, 2, 3, 4, 5 and 7, in addition, the movable spray head 4 of the present invention includes: the spraying device comprises a shell 45, wherein a mounting hole is formed in the top of the shell 45, a spraying opening 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 to the bottom of the fixed spraying head 5 is arranged at the top of the sliding plate 43, the sliding plate 43 seals two sides of the spraying opening 48 under the action of the pressure spring 44, the power supply contact 46 is arranged on the other side of the shell 45, one side of the movable spraying head 4 is arranged in a sliding plate 43 structure, the other side of the movable spraying head 4 is arranged in a power supply contact 46 structure, so that when the movable spraying head 4 is mounted, one side of the power supply contact 46 of the movable spraying head 4 is mounted on the fixed spraying head 5, and meanwhile, the bonding part 47 at the bottom of the movable spraying head 4 is tightly attached to the spraying opening 48 at the bottom of the sliding plate 43, the movable spraying head 4 and the fixed spraying head 5 are prevented from generating a gap after being fixed, so that materials are prevented from leaking from the gap between the movable spraying head and the fixed spraying head, and the spraying quality is prevented from being 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 formed inside the housing 45 of the present invention, the power supply contact 46 is slidably connected inside 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, which ensures the connection between the power supply contact 46 and the corresponding heating wire 412, so that when the power supply contact 46 abuts against the inside of the power supply groove 52, the power supply groove 52 can supply power to 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 clamping member 42, the top of the clamping member 42 is provided with an obstacle avoidance groove 423 and a wedge-shaped convex edge 422 arranged inside the obstacle avoidance groove 423, the wedge-shaped convex edge 422 fixes the position of the power supply contact 46 when the clamping 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 46 is provided with a stressed part 462 matched with the wedge-shaped convex edge 422, when the power supply contact 46 needs to be fixed and the power supply contact 46 is prevented from stretching, the clamping piece 42 is moved, the wedge-shaped convex edge 422 acts on the stressed part 462 of the power supply contact 46, the power supply contact 46 is pressed into the power supply groove 52, good contact between the power supply contact 46 and the power supply groove 52 is achieved, meanwhile, when the power supply contact does not need to be fixed, the clamping piece 42 is moved to the other side, the power supply contact 46 enters the interior of the obstacle avoidance groove 423 at the moment, the obstacle avoidance groove 423 does not act on the power supply contact 46, and the power supply contact 46 can freely stretch in the interior of the sliding hole.
Preferably, the bottom of the main pipeline 3 of the invention is provided with a matching cylinder 31 corresponding to the matching part, the outer wall of the bottom of the matching cylinder 31 is provided with a first feeding hole 32, the matching part is inserted into the matching cylinder 31, the matching cylinder 31 is connected with a sealing plug 2 in a sliding manner, 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 feeding hole 32 and a sliding rod 22 arranged at the top of the sealing plug 21, the top of the sliding rod 22 is provided with a limit flange, under the action of the sealing spring 6, the sliding rod 22 and the limit flange, when the matching part is not inserted into the matching cylinder 31, the sealing plug 21 slides to the position for sealing the first feeding hole 32, so as to prevent the material in the main pipeline 3 from overflowing from the matching cylinder 31, when the matching part is not inserted into the matching barrel 31, the blocking spring 6 presses the blocking plug 2 to block the first feeding hole 32, the outer wall of the matching part is provided with a second feeding hole 411 correspondingly arranged with the first feeding hole 32, when the matching part is inserted into the matching barrel, the first feeding hole 32 and the second feeding hole 411 are overlapped, and materials enter the material channel 51 from the first feeding hole 32 and the second feeding hole 411 and then are sprayed through the spraying port 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 spray head 4 can be normally assembled and assembled, when the movable spray head is disassembled, the clamping piece 42 is moved to the other side, then the movable spray head 4 slides downwards, the power supply contact 46 contracts under the action of the wedge-shaped structure 463, and the movable spray head 4 can be disassembled.
In summary, the invention provides a combined high-pressure hot-melt 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, 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 base 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 to 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 in 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 in the spraying head, the movable spraying head is installed from a position close to the fixed spraying head to a position far away from the fixed spraying head in sequence, a plurality of 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, a power supply contact connected with the corresponding heating wires is arranged on one side of the movable spraying head corresponding to the power supply grooves, 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, it is guaranteed that after the movable spraying head is installed, the power supply contacts and the power supply grooves in the movable spraying head are matched to supply power to all the installed movable spraying heads, therefore, the heating wires in the movable spraying head are electrically heated, and the top of the movable spraying head is inserted in the main pipeline, the width adjustment of the total spraying opening is realized by supplying the material in the main pipeline to the inside of each installed movable spraying head, and the technical effects are that the heating mechanism is arranged on the outer side of the discharge hole, so that the phenomenon that the spraying head is blocked due to fixation of the hot-melted material in the spraying head is avoided, and meanwhile, the combined structure capable of adjusting the width of the spraying head in a spraying mode is arranged, so that the spraying head is ensured to meet the requirements of different environments, the adjustability of the hot-melting spraying head is improved, and the labor and time cost for replacing the hot-melting spraying head in different environments is reduced.
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 (9)
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 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, 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 a position close to the fixed spraying heads to a position 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 correspondingly arranged on one side of each movable spraying head, and a power supply groove is also formed in the other side of each movable spraying head, the adjacent power supply grooves are connected with the power supply contacts in a matched mode, and the top of the movable spraying head is inserted into the main pipeline.
2. The combined high-pressure hot-melt spray head according to claim 1, wherein sliding plates are slidably disposed on two sides of the fixed spray head, through holes corresponding to the power supply grooves are disposed on the sliding plates, a pressure spring for moving the sliding plates to the bottom of the fixed spray head is disposed on the top of the sliding plates, and the sliding plates block two sides of the spray opening of the fixed spray head under the action of the pressure spring.
3. The modular high pressure hot melt spray head of claim 2, wherein said movable spray head comprises:
the spraying device comprises a shell, a spraying hole is formed in the top of the shell, a spraying opening is formed in the bottom of the spraying 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 fixed spraying head is arranged at the top of the sliding plate, the sliding plate seals two sides of the spraying opening 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.
4. The combined high-pressure hot-melt spray head according to claim 3, 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 is connected with the bottom of the sliding hole through a contact spring.
5. The combined high-pressure hot-melt spray head according to claim 4, 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.
6. The combined high-pressure hot-melt spray head as claimed in claim 5, 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.
7. The combined high-pressure hot-melt spraying head according to any one of claims 3 to 6, wherein a matching cylinder arranged corresponding to the matching part is arranged at the bottom of the main pipeline, a first feeding hole is arranged on the outer wall of the bottom of the matching cylinder, and the matching part is inserted into the matching cylinder.
8. The combined high-pressure hot-melt spraying head according to claim 7, wherein a sealing plug is slidably connected inside the matching barrel, a plugging spring which slides the sealing plug downwards is arranged between the top of the sealing plug and the matching barrel, when the matching portion is not inserted into the matching barrel, the sealing plug is pressed by the plugging spring to plug the first feeding hole, a second feeding hole which corresponds to the first feeding hole is formed in the outer wall of the matching portion, and when the matching portion is inserted into the matching barrel, the first feeding hole and the second feeding hole are overlapped.
9. The combined high-pressure hot-melt spray head according to claim 8, 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 |
|---|---|---|---|
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| CN114196965A (en) * | 2021-12-03 | 2022-03-18 | 中国科学院大连化学物理研究所 | Proton membrane and CCM (continuous current module) integrated preparation process and equipment for PEM (proton exchange membrane) water electrolysis |
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| US20020083895A1 (en) * | 2000-03-14 | 2002-07-04 | Nordson Corporation | Device and method for applying adhesive filaments to materials such as strands or flat substrates |
| CN102947011A (en) * | 2010-06-15 | 2013-02-27 | 3M创新有限公司 | Distribution manifold with multiple dispensing needles |
| CN103596700A (en) * | 2011-05-16 | 2014-02-19 | 武藏工业株式会社 | Film-coating nozzle, coating device and coating method |
| CN202497970U (en) * | 2012-01-11 | 2012-10-24 | 深圳市信宇人科技有限公司 | Novel slit type spray head and spray coating machine head |
| JP2018069230A (en) * | 2016-10-20 | 2018-05-10 | 株式会社Sat | Coating head and coating device |
| CN208712098U (en) * | 2018-07-10 | 2019-04-09 | 南京安运机电有限公司 | A kind of coating machine die head resistant to high temperature |
| CN112474191A (en) * | 2020-11-16 | 2021-03-12 | 深圳市曼恩斯特科技股份有限公司 | Slit coating die head |
| CN214289093U (en) * | 2020-11-16 | 2021-09-28 | 深圳市曼恩斯特科技股份有限公司 | Slit coating die head |
| CN215235136U (en) * | 2021-05-26 | 2021-12-21 | 广东华珀科技有限公司 | Low-pressure static mixed polyurea spraying equipment |
| CN114196965A (en) * | 2021-12-03 | 2022-03-18 | 中国科学院大连化学物理研究所 | Proton membrane and CCM (continuous current module) integrated preparation process and equipment for PEM (proton exchange membrane) water electrolysis |
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| CN114985211B (en) | 2022-10-25 |
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