Medical mask hot press molding device

Abstract

The utility model relates to the technical field of mask processing, and provides a medical mask hot press forming device which comprises a base, a hot press bin fixed to the top face of the base, an air cylinder fixed to the top face of the hot press bin, a movable template fixed to the output end of the air cylinder and a fixed template located below the movable template. A groove is formed in the bottom of the movable mold plate, a heat conducting plate is arranged in the groove in a sliding manner, and a heating wire fixed in the groove is arranged above the heat conducting plate; in the process that the heat conducting plate downwards presses the fabric, downward movement of the heat conducting plate can drive the Z-shaped frame rod to synchronously move downwards, then the movable arm is downwards pressed through the pressing rod, the movable arm drives the air nozzle on the bottom seat plate to rotate with the rotating shaft as the rotating center, the fabric before hot pressing can be evenly preheated, and the hot pressing efficiency is improved. Compared with the prior art, the utility model solves the problem of deformation caused by rapid heating of the contact surface of the fabric and the die cavity during hot pressing in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of mask processing, and specifically to a medical mask hot pressing molding device. Background Art

[0002] Masks are a type of hygienic and anti-epidemic product, generally worn on the nose and mouth to filter the air entering the nose and mouth to block harmful gases, odors, droplets, viruses and other substances. They are made of gauze or paper. During the preparation process, masks need to be formed by hot pressing.

[0003] After searching, the announcement number CN219405377U discloses a medical mask hot pressing forming device, including: a working platform assembly, the working platform assembly includes a bottom box and a workbench arranged on the top of the bottom box; a hot pressing mechanism, the hot pressing mechanism includes a fixed mold assembly and a movable mold assembly arranged on the fixed mold assembly; the fixed mold assembly includes a bottom plate arranged at the top edge of the workbench, a fixed mold arranged on the top of the bottom plate, a mold groove opened on the top of the fixed mold, a hot cutting groove opened on the top of the fixed mold and arranged on the outside of the mold groove, and columns arranged at the four corners of the top of the bottom plate. This medical mask hot pressing forming device drives the movable mold to be pressed down by a telescopic mechanism, and the module is inserted into the inner cavity of the mold groove. The mask is hot-pressed and three-dimensionally formed by an electric heating wire, so that the mask can fit the face better when worn, thereby improving market competitiveness.

[0004] However, the above-mentioned hot pressing forming device still has the following problems: the above-mentioned hot pressing forming device is to feed the fabric between the fixed mold and the movable mold, and complete the hot pressing forming between the fixed mold and the movable mold. However, due to the large temperature difference between the initial fabric and the instant of hot pressing, the contact surface between the fabric and the mold groove is rapidly heated and deformed during hot pressing, thereby affecting the molding quality. Utility Model Content

[0005] The utility model provides a medical mask hot pressing molding device, which solves the problem in the prior art that the contact surface between the fabric and the mold groove is rapidly heated and deformed during hot pressing.

[0006] The technical solution of the utility model is as follows: a medical mask hot pressing forming device, comprising a base, a hot press chamber fixed to the top surface of the base, a cylinder fixed to the top surface of the hot press chamber, a movable template fixed to the output end of the cylinder, and a fixed template located below the movable template, wherein the fixed template is fixed to the base, a groove is provided at the bottom of the movable template, and a heat conducting plate is slidably arranged in the groove, a heating wire fixed in the groove is arranged above the heat conducting plate, four elastic guide components for elastically supporting the heat conducting plate are arranged on the base, an air inlet hole is opened on the top of the movable template, and an air valve is arranged at the air inlet hole;

[0007] A fixed bracket is fixed on the top surface of the base, and a wind heating component is provided on the fixed bracket for cross-blowing hot air to the cloth for conveying mask molding when the heat conduction plate moves downward.

[0008] Preferably, the elastic guide component includes a guide rod, which is vertically fixed to the top surface of the base, a blocking plate is fixed to the top of the guide rod, a fixing plate is slidably provided on the outside of the guide rod, and the fixing plate is transversely fixed to the outer side of the heat conducting plate, and a spring is provided on the outer sleeve of the guide rod, and both ends of the spring are respectively abutted against the base and the fixing plate.

[0009] Preferably, a sealing ring is fixedly embedded in the bottom groove of the movable template on the contact surface with the heat conducting plate, and a heat storage cavity is formed in the bottom groove of the movable template above the heat conducting plate.

[0010] Preferably, the air inlet hole enables the heat storage chamber to communicate with the outside of the moving template.

[0011] Preferably, the air valve is a one-way valve, and the flow direction of the air valve is from the outside of the movable template to the heat storage chamber.

[0012] Preferably, the wind heating component includes a Z-shaped frame rod, two symmetrically distributed pressing rods and a movable arm, one end of the Z-shaped frame rod is fixed to the heat conduction plate, the other end of the Z-shaped frame rod is hinged to the two pressing rods, the bottoms of the two pressing rods are respectively hinged to the two movable arms, the bottoms of the two movable arms are fixed with seat plates, and the bottom of the seat plate is fixed with a row of evenly distributed air nozzles.

[0013] Preferably, the two movable arms are cross-arranged, and the intersection is hinged to the fixed bracket through a rotating shaft.

[0014] Preferably, the air nozzles on the two seat plates are inclined relative to each other and staggered.

[0015] The beneficial effects of the utility model are:

[0016] 1. In the process of the heat conducting plate pressing the fabric downward, the downward movement of the heat conducting plate can drive the Z-shaped frame rod to move downward synchronously, and then the movable arm is pressed downward by the pressing rod, and the movable arm drives the air nozzle on the bottom seat plate to rotate with the rotating shaft as the rotation center, so that the fabric before hot pressing can be evenly preheated. Compared with the prior art, the utility model solves the problem of deformation caused by rapid heating of the contact surface between the fabric and the mold groove during hot pressing in the prior art;

[0017] 2. In the utility model, since the air nozzles on the two base plates are tilted relative to each other and staggered, the shaft can blow away dust on the fabric during rotation to ensure the degree of hot pressing. Compared with the prior art, the utility model can further improve the molding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the structure of a medical mask hot pressing molding device proposed in the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the movable template and the fixed template proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the movable template and the fixed template proposed in the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the wind-heating component proposed in the utility model;

[0023] Figure 5 This is a schematic diagram of the front view structure of the wind heating component proposed by the utility model;

[0024] In the figure: 1. base; 2. hot press chamber; 3. cylinder; 4. fixed plate; 5. movable plate; 51. air inlet; 52. air valve; 6. fixed bracket; 7. heat conduction plate; 8. elastic guide component; 81. guide rod; 82. blocking plate; 83. fixed plate; 84. spring; 9. air heating component; 91. Z-shaped frame rod; 92. pressing rod; 93. movable arm; 94. rotating shaft; 95. seat plate; 96. air nozzle; 10. heating wire. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1 and Figure 2The utility model provides a technical solution: a medical mask hot pressing molding device, comprising a base 1, a hot press chamber 2 fixed to the top surface of the base 1, a cylinder 3 fixed to the top surface of the hot press chamber 2, a movable template 5 fixed to the output end of the cylinder 3, and a fixed template 4 located below the movable template 5, the fixed template 4 is fixed on the base 1, the bottom of the movable template 5 is provided with a groove, and a heat conducting plate 7 is slidably arranged in the groove, the bottom of the heat conducting plate 7 is provided with a protrusion for pressurizing and molding medical masks, and the fixed template 4 is provided with a mold groove adapted to the protrusion, a heating wire 10 fixed in the groove is arranged above the heat conducting plate 7, and four elastic guide components 8 for elastically supporting the heat conducting plate 7 are arranged on the base 1. The elastic guide component 8 includes a guide rod 81, which is vertically fixed to the top surface of the base 1, and a blocking piece 82 is fixed to the top of the guide rod 81. A fixing plate 83 is slidingly arranged on the outside of the guide rod 81, and the fixing plate 83 is transversely fixed to the outer side of the heat conducting plate 7. A spring 84 is arranged on the outer sleeve of the guide rod 81, and the two ends of the spring 84 are respectively abutted against the base 1 and the fixing plate 83. When the movable template 5 moves downward, the heat conducting plate 7 is pushed by the spring 84, so that the heat conducting plate 7 and the movable template 5 slide relative to each other until the heat conducting plate 7 contacts the groove at the bottom of the movable template 5. At this time, the heat conducting plate 7 can be heated by the heating wire 10, so that the heat conducting plate 7 can perform hot pressing molding on the fabric.

[0027] See also Figure 2 and Figure 3 An air inlet 51 is provided at the top of the movable template 5, and an air valve 52 is provided at the air inlet 51. The air inlet 51 connects the heat storage chamber with the outside of the movable template 5. The air valve 52 is a one-way valve. The flow direction of the air valve 52 is from the outside of the movable template 5 to the heat storage chamber. The external air enters the heat storage chamber and is heated by the heating wire 10 at the top of the heat storage chamber, which is used for preheating the fabric for mask molding.

[0028] See also Figure 4 and Figure 5A fixed bracket 6 is fixed to the top surface of the base 1, and a wind-heating component 9 is provided on the fixed bracket 6 for cross-blowing hot air to the fabric for conveying mask molding when the heat-conducting plate 7 moves downward. The wind-heating component 9 includes a Z-shaped frame rod 91, two symmetrically distributed pressing rods 92 and a movable arm 93. One end of the Z-shaped frame rod 91 is fixed to the heat-conducting plate 7, and the other end of the Z-shaped frame rod 91 is hinged to the two pressing rods 92. The bottoms of the two pressing rods 92 are respectively hinged to the two movable arms 93. The bottoms of the two movable arms 93 are both fixed with a seat plate 95, and the bottom of the seat plate 95 is fixed with a There are evenly distributed air nozzles 96, and two movable arms 93 are cross-arranged, and the intersection is hinged on the fixed bracket 6 through the rotating shaft 94. The downward movement of the heat conducting plate 7 can drive the Z-shaped frame rod 91 to move downward synchronously, and then the movable arm 93 is pressed downward by the pressing rod 92. The movable arm 93 drives the air nozzle 96 on the bottom seat plate 95 to rotate with the rotating shaft 94 as the rotation center, which can evenly preheat the fabric before hot pressing. The air nozzles 96 on the two seat plates 95 are tilted relative to each other and staggered. The rotating shaft 94 can blow away dust on the fabric during rotation.

[0029] It should be noted that a sealing ring is fixedly embedded in the bottom groove of the movable template 5 on the contact surface with the heat conducting plate 7 to ensure sealing. A heat storage cavity is formed above the heat conducting plate 7 in the bottom groove of the movable template 5. When the heat conducting plate 7 is in a low position, the air in the heat storage cavity is heated by the heating wire 10, and when the heat conducting plate 7 is in a high position, the heat conducting plate 7 is heated by the heating wire 10.

[0030] The working principle and use process of the utility model are as follows: the fabric to be pressed passes through the movable template 5 and the fixed template 4, the cylinder 3 pushes the movable template 5 to move downward, and the heat conducting plate 7 presses the fabric downward to make the fabric hot-pressed and formed. In this process, the downward movement of the heat conducting plate 7 can drive the Z-shaped frame rod 91 to move downward synchronously, and then press the movable arm 93 downward through the pressing rod 92, and the movable arm 93 drives the air nozzle 96 on the bottom seat plate 95 to rotate with the rotating shaft 94 as the rotation center, so as to evenly preheat the fabric before hot pressing. Since the air nozzles 96 on the two seat plates 95 are inclined relative to each other and staggered, the rotating shaft 94 can blow away dust on the fabric during the rotation process to ensure the degree of hot pressing.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A medical mask hot pressing molding device, comprising a base (1), a hot pressing chamber (2) fixed to the top surface of the base (1), a cylinder (3) fixed to the top surface of the hot pressing chamber (2), a movable plate (5) fixed to the output end of the cylinder (3), and a fixed plate (4) located below the movable plate (5), wherein the fixed plate (4) is fixed to the base (1), characterized in that: The bottom of the movable template (5) is provided with a groove, and a heat conducting plate (7) is slidably arranged in the groove, a heating wire (10) fixed in the groove is arranged above the heat conducting plate (7), four elastic guide components (8) for elastically supporting the heat conducting plate (7) are arranged on the base (1), an air inlet hole (51) is opened at the top of the movable template (5), and an air valve (52) is arranged at the air inlet hole (51); A fixed bracket (6) is fixed to the top surface of the base (1), and a wind-heating component (9) is provided on the fixed bracket (6) for cross-blowing hot air to the fabric for conveying mask molding when the heat-conducting plate (7) moves downward.

2. A medical mask hot pressing forming device according to claim 1, characterized in that: The elastic guide component (8) comprises a guide rod (81), the guide rod (81) is vertically fixed to the top surface of the base (1), a blocking sheet (82) is fixed to the top of the guide rod (81), a fixing plate (83) is slidably arranged outside the guide rod (81), the fixing plate (83) is transversely fixed to the outer side surface of the heat conducting plate (7), and a spring (84) is arranged on the outer sleeve of the guide rod (81), and two ends of the spring (84) are respectively abutted against the base (1) and the fixing plate (83).

3. A medical mask hot pressing forming device according to claim 1, characterized in that: A sealing ring is fixedly embedded in the bottom groove of the movable template (5) on the contact surface with the heat conducting plate (7), and a heat storage cavity is formed in the bottom groove of the movable template (5) above the heat conducting plate (7).

4. A medical mask hot pressing forming device according to claim 3, characterized in that: The air inlet hole (51) enables the heat storage chamber to communicate with the outside of the moving template (5).

5. A medical mask hot pressing forming device according to claim 4, characterized in that: The air valve (52) is a one-way valve, and the flow direction of the air valve (52) is from the outside of the movable template (5) to the inside of the heat storage chamber.

6. A medical mask hot pressing forming device according to claim 1, characterized in that: The wind-heating component (9) comprises a Z-shaped frame rod (91), two symmetrically distributed pressing rods (92) and a movable arm (93); one end of the Z-shaped frame rod (91) is fixed to the heat-conducting plate (7); the other end of the Z-shaped frame rod (91) is hinged to the two pressing rods (92); the bottoms of the two pressing rods (92) are respectively hinged to the two movable arms (93); the bottoms of the two movable arms (93) are both fixed with a seat plate (95); and the bottom of the seat plate (95) is fixed with a row of evenly distributed air nozzles (96).

7. A medical mask hot pressing forming device according to claim 6, characterized in that: The two movable arms (93) are arranged crosswise, and the intersection is hinged to the fixed bracket (6) through a rotating shaft (94).

8. A medical mask hot pressing forming device according to claim 7, characterized in that: The air nozzles (96) on the two seat plates (95) are tilted relative to each other and staggered.

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