CN113829631A - Medical headrest preparation process and equipment - Google Patents
Medical headrest preparation process and equipment Download PDFInfo
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- CN113829631A CN113829631A CN202111124923.4A CN202111124923A CN113829631A CN 113829631 A CN113829631 A CN 113829631A CN 202111124923 A CN202111124923 A CN 202111124923A CN 113829631 A CN113829631 A CN 113829631A
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
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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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0025—Applying surface layers, e.g. coatings, decorative layers, printed layers, to articles during shaping, e.g. in-mould printing
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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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/006—Degassing moulding material or draining off gas during moulding
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
- B29C65/522—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive by spraying, e.g. by flame spraying
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
- B29C65/7861—In-line machines, i.e. feeding, joining and discharging are in one production line
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
- B29C66/8362—Rollers, cylinders or drums moving relative to and tangentially to the parts to be joined
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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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
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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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention provides a preparation process and equipment of a medical headrest, belonging to the technical field of medical supplies, and the preparation process comprises the following steps of firstly, filling cotton: hot melting the two layers of filling cotton by using a hot laminating device, wherein the melting point of the filling cotton is 230-; molding the pillow core: cutting the thickened filling cotton into the shape of the pillow core through special-shaped cutting; the thickened filling cotton is cut into the shape of the pillow inner through special-shaped cutting, and the depth of an upper pressing roller on a groove and the distance between the upper pressing roller and a lower pressing roller are adjusted through rotating a bolt, so that an upper layer material and a lower layer material are fully attached to each other through the upper pressing roller and the lower pressing roller, and after the molten material is pressed through the upper pressing roller and the lower pressing roller, acting force and cooling time for continuous pressing are kept for a certain time.
Description
Technical Field
The invention belongs to the technical field related to medical supplies, and particularly relates to a preparation process and equipment of a medical headrest.
Background
With the rapid development of medical services, Magnetic Resonance Imaging (MRI) has been one of the common examination items in modern medicine, and its popularity leaves many diseases that have been difficult to examine before undistorted. However, when nuclear magnetic resonance examination is performed, the headrests used by a patient are both common headrests, and a certain influence is generated on nuclear magnetic resonance imaging, a penetrable nuclear magnetic resonance filling cotton material in the existing headrest is difficult to be foamed and formed to the size required by the headrest at one time, two layers of filling cotton need to be bonded, if the penetrable nuclear magnetic resonance filling cotton material is bonded by auxiliaries such as glue, the auxiliary can cause the image to generate shadows during nuclear magnetic resonance examination, and if the auxiliary is not added, ultrasonic heating is used, and the melting point of the filling cotton material is difficult to reach.
Disclosure of Invention
Aiming at the defects, the invention provides a preparation process and equipment of a medical headrest.
The technical scheme adopted by the invention for solving the technical problems is as follows:
s1, filling cotton treatment: hot melting the two layers of foamed filling cotton by using hot bonding equipment, wherein the melting point of the filling cotton is 230-300 ℃, the filling cotton is compounded to the filling cotton with the double-layer thickness in a hot melting way, and the foaming ratio of the filling cotton is 30-40;
s2, molding of the pillow core: the filling cotton with double-layer thickness is cut into pillow cores in a special shape;
s3, sheet feeding and forming: baking the upper piece to 180 ℃, and putting the upper piece into a first mold for cold press molding;
s4, spraying glue for adhesion: placing the lower sheet material at the lower die of the second die, placing the pillow core between the upper sheet and the lower sheet, covering the pillow core by a containing cavity formed by the upper sheet and the lower sheet, and adhering the upper sheet and the lower sheet with the pillow core by spraying glue on the surfaces;
s5, three-layer mold closing: step S5, closing the die of the second die, and heating the second die by a heater;
s6, S6, air-extracting and forming: when the three layers are combined, inserting the pipe into the accommodating cavity through an air hole reserved in the second die, exhausting air between the upper piece and the lower piece through an air pump, attaching the surfaces of pillow cores on the inner surfaces of the upper piece and the lower piece, forming the headrest, and forming an exhaust hole on the pipe of the headrest;
s7, sealing the air hole: placing the headrest formed by the three layers of matched molds into a third mold, heating the headrest by a heating machine, and sealing the exhaust holes in the headrest by hot pressing;
s8, trimming: trimming the headrest after the steps are finished by a jig knife to form a finished headrest product;
the headrest is divided into an upper piece, an inner core and a lower piece, the three layers are made of nuclear magnetic resonance penetrable materials, the upper piece and the lower piece are made of PE physical foaming cotton with the foaming rate of 30-40, the surface of the headrest is provided with cloth marks, the headrest is arc-shaped, and the concave part is contacted with the head of a human body;
the first die related to the headrest is required for upper piece, the second die and the third die are used for headrest forming, both the second die and the third die are provided with edge sealing lines, air holes are formed in two sides of the second die, air in the dies is pumped out by using air pipes when the three layers of dies are combined, and the third die is used for trimming the shape generated by the air holes of the second die;
the hot laminating device is provided with a rack and a laminating belt assembly, the two sides of the rack are provided with grooves, an upper press roller is arranged between the grooves, a lower press roller is arranged below the upper press roller, the inner rotating shaft of the lower press roller is fixed on the inner walls of the two sides of the rack, the two ends of the inner rotating shaft of the upper press roller are adjusted by bolts to adjust the depth of the upper press roller on the grooves and the distance between the upper press roller and the lower press roller, the inner walls of the two sides of the rack are provided with a hot melting roller and a pressing roller, the lower side of the hot melting roller is provided with a supporting roller, and the inner walls of the two sides of the rack are provided with an upper feeding roller and a lower feeding roller.
Further, the laminating belt assembly is provided with two sets of transmission belt mechanisms, the transmission belt mechanisms are placed at intervals from top to bottom, fixing plates are arranged on the peripheries of the transmission belt mechanisms, waist-shaped holes are formed in the fixing plates, drum center shafts on the transmission belt mechanisms are installed in the waist-shaped holes, and bolts penetrate through the fixing plates and are in threaded connection with two ends of the drum center shaft above the waist-shaped holes.
Furthermore, the upper layer of material enters from the upper part of the upper feeding roller, passes through the space between the pressing roller and the hot melting roller and then enters the space between the upper pressing roller and the lower pressing roller, and the lower layer of material enters through the space between the upper feeding roller and the lower feeding roller, passes through the space between the hot melting roller and the supporting roller and then enters the space between the upper pressing roller and the lower pressing roller.
Furthermore, the upper layer material passes between the pressing roller and the hot melting roller, the bottom surface of the upper layer material is in contact with the hot melting roller to enable the bottom surface of the upper layer material to be in a molten state, the lower layer material passes between the hot melting roller and the supporting roller, and the upper side of the lower layer material is in contact with the hot melting roller to enable the top surface of the lower layer material to be in a molten state.
Furthermore, the upper layer material and the lower layer material pass through the space between the upper pressing roller and the lower pressing roller, and the bolt is rotated to adjust the depth of the upper pressing roller on the groove and the distance between the upper pressing roller and the lower pressing roller, so that the upper layer material and the lower layer material are fully attached to each other through the space between the upper pressing roller and the lower pressing roller.
Further, the materials after being pressed by the upper pressing roller and the lower pressing roller are conveyed and cooled between the transmission belt mechanisms, and the distance between the upper transmission belt mechanism and the lower transmission belt mechanism is adjusted by adjusting the bolts on the fixing plates, so that the materials are subjected to continuous pressing force.
The invention has the beneficial effects that:
according to the invention, the filling cotton is thermally laminated by the thermal laminating equipment, only the bonding surface of the filling cotton is heated to reach the melting point, the integral density of the filling cotton is not influenced, and the nuclear magnetic resonance examination imaging is not influenced because an auxiliary agent is not required to be added.
According to the invention, the fabric pattern forming units are arranged on the second mold and the third mold, so that fabric patterns are formed on the headrest, the contact area between a product and the molds is increased by the fabric patterns, the product is easier to demould, the original air hole marks on the molds can be covered, the surface of the product is more scratch-resistant by the arrangement of the fabric patterns, and the touch feeling is more comfortable when a human body contacts the product;
according to the invention, after the second mold is heated and formed by air exhaust, the third mold is used for further processing the air holes generated by the second mold forming product, so that the air holes are sealed, and the appearance is more attractive and comfortable;
according to the invention, the depth of the upper pressing roller on the groove and the distance between the upper pressing roller and the lower pressing roller are adjusted by rotating the bolt, so that an upper layer material and a lower layer material are fully attached to each other through the upper pressing roller and the lower pressing roller, and a force and a cooling time for continuously pressing the molten material for a certain time are remained after the upper pressing roller and the lower pressing roller are pressed;
according to the invention, the upper feeding roller and the lower feeding roller are arranged, so that materials enter from the upper part and the middle part of the upper feeding roller and the lower feeding roller respectively, and the upper layer material and the lower layer material are not easy to overlap before entering the hot melting roller, so that larger resistance is generated.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Fig. 2 is a perspective view of the thermal laminating apparatus of the present invention.
FIG. 3 is a schematic view of a partial structure of the thermal bonding apparatus of the present invention.
FIG. 4 is a second schematic view of a partial structure of the thermal bonding apparatus of the present invention.
Figure 5 is a schematic view of a conformable belt assembly of the present invention.
FIG. 6 is a schematic diagram of the first embodiment of the present invention.
Fig. 7 is a schematic structural view of the pillow core of the present invention.
FIG. 8 is a schematic structural view of the second mold of the present invention.
FIG. 9 is a schematic view of a second embodiment of the present invention.
FIG. 10 is a second schematic view of a second mold according to the present invention.
Fig. 11 is a schematic view of a partial structure of the third mold according to the present invention.
FIG. 12 is a second schematic view of a third mold according to the present invention.
Fig. 13 is a schematic structural diagram of the product of the present invention.
In the figure:
1. a thermal bonding device; 2. attaching a belt assembly; 3. a frame; 4. a hot melting roller; 5. an upper feeding roller; 6. a lower feeding roller; 7. pressing rollers are arranged; 8. pressing the roller downwards; 9. pressing the roller; 10. a fixing plate; 11. a groove; 12. supporting the rollers; 13. a drive belt mechanism; 14. a kidney-shaped hole; 15. a first mold; 16. a pillow core; 17. a second mold; 18. air holes; 19. edge sealing lines; 20. a third mould; 21. the cylinder axis.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
As shown in the attached fig. 1 to 13, a process and an apparatus for manufacturing a medical headrest, wherein a headrest 21 is divided into an upper sheet, an inner core 16 and a lower sheet, the three layers are made of nuclear magnetic resonance permeable materials, the upper sheet and the lower sheet are made of PE physical foaming cotton with a foaming rate of 30-40, the surface of the headrest 21 is provided with cloth marks, the headrest 21 is arc-shaped, and the concave part is in contact with the head of a human body.
The first die 15 related to the headrest 21 is required for upper piece, the second die 17 and the third die 20 are formed by headrests, both the second die 17 and the third die 20 are provided with edge sealing lines 19, air holes 18 are formed in two sides of the second die 17, air in the dies is pumped out by air pipes when the three layers of dies are closed, and the third die 20 is used for trimming the shape generated by the air holes of the second die 17.
Hot laminating device 1 is equipped with frame 3 and laminating belt subassembly 2, 3 both sides of frame are equipped with recess 11, be equipped with pressfitting gyro wheel 7 between the recess 11, it is equipped with down pressfitting gyro wheel 8 to go up pressfitting gyro wheel 7 below, the inside pivot of pressfitting gyro wheel 8 is fixed on 3 both sides inner walls of frame down, go up pressfitting gyro wheel 7 inside pivot both ends and pass through the degree of depth of bolt regulation last pressfitting gyro wheel 7 on recess 11 and go up pressfitting gyro wheel 7 and press down and close the distance between the gyro wheel 8, be equipped with hot melt cylinder 4 and pinch roller 9 on 3 both sides inner walls of frame, hot melt cylinder 4 below is equipped with supporting roller 12, be equipped with feeding gyro wheel 5 and lower feeding gyro wheel 6 on 3 both sides inner walls of frame.
In this embodiment, the laminating belt assembly 2 is provided with two sets of transmission belt mechanisms 13, the transmission belt mechanisms 13 are arranged at intervals up and down, the fixing plate 10 is arranged on the periphery of the transmission belt mechanism 13, the fixing plate 10 is provided with a waist-shaped hole 14, the roller center shaft 21 on the transmission belt mechanism 13 is installed in the waist-shaped hole 14, and the bolt penetrates through the upper portion of the fixing plate 10 and is in threaded connection with two ends of the roller center shaft 21 on the upper portion in the waist-shaped hole 14.
In this embodiment, the upper layer of material enters from above the upper feeding roller 5, passes through between the pressing roller 9 and the hot melting roller 4, then passes through between the upper pressing roller 7 and the lower pressing roller 8, and the lower layer of material enters through between the upper feeding roller 5 and the lower feeding roller 6, passes through between the hot melting roller 4 and the supporting roller 12, and then passes through between the upper pressing roller 7 and the lower pressing roller 8.
In this embodiment, the upper layer material passes between the pressing roller 9 and the hot melting roller 4, and the bottom surface of the upper layer material contacts the hot melting roller 4 to make the bottom surface of the upper layer material reach a molten state, the lower layer material passes between the hot melting roller 4 and the supporting roller 12, and the top surface of the lower layer material contacts the hot melting roller 4 to make the top surface of the lower layer material reach a molten state.
By adopting the technical scheme, the upper layer material and the lower layer material pass through the space between the upper pressing roller 7 and the lower pressing roller 8, the bolt is rotated to adjust the depth of the upper pressing roller 7 on the groove 11 and the distance between the upper pressing roller 7 and the lower pressing roller 8, so that the upper layer material and the lower layer material are fully attached to each other through the space between the upper pressing roller 7 and the lower pressing roller 8.
In this embodiment, after the materials are pressed by the upper pressing roller 7 and the lower pressing roller 8, the materials are conveyed and cooled between the transmission belt mechanisms 13, and the distance between the upper transmission belt mechanism 13 and the lower transmission belt mechanism 13 is adjusted by adjusting the bolts on the fixing plate 10, so that the materials are subjected to continuous pressing force.
In this embodiment, the filling cotton is treated, the foaming ratio of the filling cotton is thirty to forty times, the two layers of filling cotton are hot-melted by the thermal bonding device 1, the melting point of the filling cotton is two hundred thirty degrees to three hundred degrees centigrade, the filling cotton with the double-layer thickness is hot-melted and compounded, and the filling cotton thickened to the double-layer thickness is cut into the shape of the pillow core 16 through special-shaped cutting.
In this embodiment, the inside cloth pasting treatment of a mould 15, a mould 17 and a mould 20, the cloth grain has no influence on the penetration of X-rays, the product can be demoulded more easily except for the ventilation effect, the original air hole print on the mould can be hidden, the surface is more resistant to scratching, and the cloth grain is more comfortable compared with the touch sense of the smooth surface when the human body contacts.
In the embodiment, the cloth grain with the texture is adhered to the surface of the mold through glue, and the cloth grain is formed on the surface of the mold.
In this embodiment, the sand blasting forms the cloth grain, can corrode some pot holes with the mould surface through special liquid medicine on the mould surface, through sand blasting, the sand falls into the pot hole, and the cloth grain texture is decided by "sand" shape, passes through glue bonding after the sand blasting, glues the cloth on the mould, finally forms the cloth grain.
In this embodiment, headrest 21 transversely is "U" shape, and the indent in the middle of the both sides arch, surface have the cloth line, can let the more comfortable laminating of head, vertically is the high inclined plane in low back before.
In this embodiment, the upper material is baked to a temperature between one hundred eighty degrees and two hundred fifty degrees celsius, and then is placed into a first mold 15 for cold press molding, and the upper headrest piece is preliminarily molded, and the upper and lower pieces are made of PE physical foam cotton, and have the characteristics of no odor, high elasticity, scratch resistance and the like, and can be penetrated by X-rays.
In this embodiment, the lower sheet is placed at the lower part of the second mold 17, the pillow core 16 is placed between the upper sheet and the lower sheet, and the upper sheet and the lower sheet are adhered to the pillow core through surface spraying glue.
In this embodiment, after air-drying, the three layers are closed, the second mold 17 is placed in a heating machine for heating, and the pipe is inserted through the air hole 18 reserved in the second mold 17 during the heating process, and is heated and pumped by the air pump.
In the embodiment, the air hole of the headrest 21 formed by the second mold 17 is closed by the third mold 20, compared with the second mold 17, the third mold 20 has no air hole, and the air hole of the third mold 20 is closed and then trimmed by a jig knife to obtain the final product.
The working principle of the thermal bonding device 1 is as follows: in the invention, an upper layer material enters from the upper part of an upper feeding roller 5, passes through a space between a pressing roller 9 and a hot melting roller 4, then enters a space between an upper pressing roller 7 and a lower pressing roller 8, a lower layer material enters from the space between the upper feeding roller 5 and a lower feeding roller 6, passes through a space between the hot melting roller 4 and a supporting roller 12, then enters a space between the upper pressing roller 7 and the lower pressing roller 8, the upper layer material passes through a space between the pressing roller 9 and the hot melting roller 4, the bottom surface of the upper layer material is contacted with the hot melting roller 4 to enable the bottom surface of the upper layer material to be in a molten state, the lower layer material passes through a space between the hot melting roller 4 and the supporting roller 12, the upper part of the lower layer material is contacted with the hot melting roller 4 to enable the top surface of the lower layer material to be in a molten state, the upper layer material and the lower layer material pass through a space between the upper pressing roller 7 and the lower pressing roller 8, a bolt is rotated to adjust the depth of the upper pressing roller 7 on a groove 11 and the distance between the upper pressing roller 7 and the lower pressing roller 8, the upper layer material and the lower layer material are fully attached between the upper pressing roller 7 and the lower pressing roller 8, the materials are conveyed and cooled between the transmission belt mechanisms 13 after being pressed by the upper pressing roller 7 and the lower pressing roller 8, and the distance between the upper transmission belt mechanism 13 and the lower transmission belt mechanism 13 is adjusted by adjusting the bolts on the fixing plates 10, so that the materials are subjected to continuous pressing force.
The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A preparation process of a medical headrest is characterized by comprising the following steps: the method comprises the following steps:
s1, filling cotton treatment: hot melting the two layers of foamed filling cotton by using hot bonding equipment (1), wherein the melting point of the filling cotton is 230-300 ℃, the filling cotton is compounded to the filling cotton with the double-layer thickness in a hot melting way, and the foaming ratio of the filling cotton is 30-40;
s2, molding of the pillow core: the filling cotton with double-layer thickness is cut into pillow cores (16) in a special shape;
s3, sheet feeding and forming: baking the upper sheet to 180 ℃, and putting the upper sheet into a first mold (15) for cold press molding;
s4, spraying glue for adhesion: placing the lower piece of material at the lower die of a second die (17), placing the pillow core (16) between the upper piece and the lower piece, covering the pillow core by a containing cavity formed by the upper piece and the lower piece, and adhering the upper piece and the lower piece with the pillow core (16) through spraying glue on the surfaces;
s5, three-layer mold closing: step S5, after the die assembly of the second die (17) is finished, the second die (17) is heated by a heater;
s6, air-extracting and forming: when the three layers are combined, the pipe is inserted into the containing cavity through an air hole (18) reserved in a second mold (17), air between the upper piece and the lower piece is exhausted through an air pump, the surfaces of pillow cores on the inner surfaces of the upper piece and the lower piece are attached, the headrest is formed, and an exhaust hole is formed in the pipe of the headrest;
s7, sealing the air hole: placing the headrest formed by the three layers of matched molds into a third mold (20), heating by a heating machine, and sealing exhaust holes in the headrest by hot pressing;
s8, trimming: and (5) trimming the headrest after the steps are finished by a jig knife to form a finished headrest product.
2. A medical headrest, characterized in that: the headrest (21) is divided into an upper piece, an inner core (16) and a lower piece, the three layers are made of PE physical foaming materials which can be penetrated through by nuclear magnetic resonance, the surface of the headrest (21) is provided with cloth marks, the headrest (21) is arc-shaped, and the concave part is contacted with the head of a human body.
3. The utility model provides a forming device of medical headrest which characterized in that: the fabric pattern forming device comprises a first mold (15), a second mold (17) and a third mold (20) as claimed in claim 1, wherein edge sealing lines (19) are further arranged on the second mold (17) and the third mold (20), air holes (18) are formed in two sides of the second mold (17), fabric pattern forming units are arranged on inner molds of the second mold (17) and the third mold (20), and fabric patterns can be formed on the outer sides of headrests by the fabric pattern forming units.
4. A medical headrest forming apparatus according to claim 3, wherein: the cloth grain forming unit is provided with a sand blasting layer and a glue bonding layer, the sand blasting layer is arranged on the inner die, the glue bonding layer is arranged on the sand blasting layer, and the glue bonding layer is provided with adhesive cloth in a bonding mode.
5. A medical headrest forming apparatus according to claim 3, wherein: the cloth grain forming unit is provided with a sand blasting layer, the sand blasting layer is arranged on the inner die, and cloth grains are corroded on the sand blasting layer through chemical liquid medicine.
6. A thermal laminating apparatus, characterized by: the thermal bonding equipment is the thermal bonding equipment which can implement or apply the step S1 of the preparation process of the medical headrest of claim 1, the thermal bonding equipment (1) is provided with a rack (3) and a bonding belt component (2), two sides of the rack (3) are provided with grooves (11), an upper pressing roller (7) is arranged between the grooves (11), a lower pressing roller (8) is arranged below the upper pressing roller (7), an inner rotating shaft of the lower pressing roller (8) is fixed on inner walls of two sides of the rack (3), two ends of the inner rotating shaft of the upper pressing roller (7) adjust the depth of the upper pressing roller (7) on the grooves (11) and the distance between the upper pressing roller (7) and the lower pressing roller (8) through bolts, inner walls of two sides of the rack (3) are provided with a hot melting roller (4) and a pressing roller (9), a support roller (12) is arranged below the hot melting roller (4), and the inner walls of two sides of the rack (3) are provided with an upper feeding roller (5) and a lower feeding roller (6).
7. A thermal laminating apparatus according to claim 6, wherein: laminating belt subassembly (2) are equipped with two sets of driving belt mechanism (13), driving belt mechanism (13) interval is placed from top to bottom, driving belt mechanism (13) periphery is equipped with fixed plate (10), be equipped with waist type hole (14) on fixed plate (10), and driving belt mechanism (13) are gone up cylinder axis (21) and are installed in waist type hole (14), the bolt runs through fixed plate (10) top and waist type hole (14) in top cylinder axis (21) both ends threaded connection.
8. The thermal laminating apparatus of claim 7, wherein: the upper layer of material enters from the upper part of the upper feeding roller (5), passes through the space between the pressing roller (9) and the hot melting roller (4), then passes through the space between the upper pressing roller (7) and the lower pressing roller (8), and the lower layer of material enters through the space between the upper feeding roller (5) and the lower feeding roller (6), passes through the space between the hot melting roller (4) and the supporting roller (12), and then passes through the space between the upper pressing roller (7) and the lower pressing roller (8).
9. A thermal laminating apparatus according to claim 8, wherein: the upper layer material is between pressing roller (9) and hot melt roller (4), and the upper layer material bottom surface contacts hot melt roller (4) and makes the upper layer material bottom surface reach the molten state, lower floor's material is between hot melt roller (4) and supporting roller (12), and lower floor's material top contact hot melt roller (4) makes the lower floor's material top surface reach the molten state.
10. A thermal laminating apparatus according to claim 8, wherein: the upper layer material and the lower layer material pass through the space between the upper pressing roller (7) and the lower pressing roller (8), and the bolts are rotated to adjust the depth of the upper pressing roller (7) on the groove (11) and the distance between the upper pressing roller (7) and the lower pressing roller (8), so that the upper layer material and the lower layer material are fully attached to each other through the space between the upper pressing roller (7) and the lower pressing roller (8); after the materials are pressed by the upper pressing roller (7) and the lower pressing roller (8), the materials are conveyed and cooled between the transmission belt mechanisms (13), and the distance between the upper transmission belt mechanism and the lower transmission belt mechanism (13) is adjusted by adjusting bolts on the fixing plate (10), so that the materials are subjected to continuous pressing force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111124923.4A CN113829631B (en) | 2021-09-25 | 2021-09-25 | Medical headrest preparation process and equipment thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111124923.4A CN113829631B (en) | 2021-09-25 | 2021-09-25 | Medical headrest preparation process and equipment thereof |
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| CN113829631A true CN113829631A (en) | 2021-12-24 |
| CN113829631B CN113829631B (en) | 2023-05-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106457742A (en) * | 2014-06-19 | 2017-02-22 | 京洛株式会社 | Resin sandwich panel and resin sandwich panel manufacturing method |
| CN110126282A (en) * | 2019-05-31 | 2019-08-16 | 广州恒科圣自动化设备有限公司 | A kind of pearl cotton pressure cotton removes collodion silk machine |
| CN209454193U (en) * | 2018-12-29 | 2019-10-01 | 佛山市高明爱博广告装饰材料有限公司 | A kind of KT plate hot pressing device |
| CN112743860A (en) * | 2020-12-22 | 2021-05-04 | 重庆新士腾包装制品有限公司 | Pearl wool laminating process |
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2021
- 2021-09-25 CN CN202111124923.4A patent/CN113829631B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106457742A (en) * | 2014-06-19 | 2017-02-22 | 京洛株式会社 | Resin sandwich panel and resin sandwich panel manufacturing method |
| CN209454193U (en) * | 2018-12-29 | 2019-10-01 | 佛山市高明爱博广告装饰材料有限公司 | A kind of KT plate hot pressing device |
| CN110126282A (en) * | 2019-05-31 | 2019-08-16 | 广州恒科圣自动化设备有限公司 | A kind of pearl cotton pressure cotton removes collodion silk machine |
| CN112743860A (en) * | 2020-12-22 | 2021-05-04 | 重庆新士腾包装制品有限公司 | Pearl wool laminating process |
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