Mold apparatus for shoe production and working method thereof

Abstract

The application discloses a mold equipment for shoe production and a working method thereof, and relates to the field of shoe production and processing molds, which comprises a mounting seat, a gas injection demolding element is arranged on the side of the limiting plate close to the positioning mold, and a gas flow adjusting element is arranged on the inner side of the positioning block. The gas injection demolding element is arranged, the second contact piece is in contact with the first contact piece due to the synchronous movement of the inserting rod and the limiting plate, at this time, the fan and the second motor are operated, when the fan is operated, the airflow is discharged through the two sides of the exhaust bin, so that the gap between the shoe sole and the inner mold can be filled, at this time, the injection cavity in the inner mold is separated from the injection molded shoe sole due to the increase of the air injection amount, and the second motor is operated, so that the jet direction of the airflow can be changed, so as to realize the diffusion efficiency of the air in the injection cavity, improve the uniformity of demolding, and prevent damage caused by uneven stress of the shoe sole in the demolding process.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of shoe production and processing mold, in particular to a mold equipment for shoe production and a working method thereof. BACKGROUND

[0002] EVA shoe sole refers to the sole made of EVA material. The EVA shoe sole has high resilience and tensile strength, high toughness, good shock absorption and buffering performance, excellent heat preservation and cold resistance, can resist cold, has closed cells, good sound insulation effect, closed cell structure, good water resistance, moisture resistance, water resistance, resistance to seawater, oil, acid, alkali and other chemical corrosion, antibacterial, non-toxic, odorless and pollution-free.

[0003] The existing EVA shoe mold is injected into the mold after being melted at high temperature during injection molding, and the finished product is injection molded by cooling. During demolding, the ejector pin can only support part of the sole, so that the sole will still be bonded to the mold when the ejector pin ejects the molded sole from the mold. Therefore, the sole will deform greatly during the process of being ejected from the mold by the ejector pin, which will affect the smoothness of the sole demolding and also affect the quality of the sole. SUMMARY

[0004] The purpose of the present application is to solve the problem of uneven stress on the sole during demolding, and to provide a mold equipment for shoe production and a working method thereof.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a mold equipment for shoe production, comprising a mounting seat, a guide rod is installed on one side of the mounting seat, a positioning frame is fixedly connected to one end of the guide rod, a first telescopic cylinder is arranged on the positioning frame, an output end of the first telescopic cylinder is connected with a movable mold which is slidingly connected with the guide rod, a positioning mold is fixedly connected to the guide rod between the movable mold and the mounting seat, an inner mold is installed on one end of the positioning mold close to the movable mold, an injection cavity is arranged on the inner side of the inner mold, a demolding hole is formed on the inner side of the injection cavity, a limiting plate is slidingly connected to the guide rod between the positioning mold and the mounting seat, a gas injection demolding piece is arranged on one side of the limiting plate close to the positioning mold, a first motor is installed on one side of the mounting seat, an output end of the first motor is connected with a threaded rod, the limiting plate is movably sleeved on the outer side of the threaded rod, a positioning block is connected with the limiting plate on one side through the gas injection demolding piece, a top plate is arranged on the inner side of the demolding hole on the top of the positioning block, and an airflow adjusting piece is arranged on the inner side of the positioning block.

[0006] As a further scheme of the present application: a threaded hole matched with the threaded rod is arranged on the inner side of the limiting plate.

[0007] As a further scheme of the present application: the air injection demolding element comprises a fan mounted on the limiting plate, the top of the fan is connected with a first air guide pipe, one end of the first air guide pipe is mounted with a rotating sealing ring, one end of the rotating sealing ring is connected with a second air guide pipe, a positioning block is fixedly connected to one end of the second air guide pipe, and the top of the positioning block and the top plate are rotatably connected through bearings, the top of the first air guide pipe is provided with a second positioning plate above the fan, a transmission connecting shaft is rotatably connected to the second positioning plate through a bearing, second transmission bevel gears are mounted at both ends of the transmission connecting shaft, a worm wheel is arranged on the transmission connecting shaft between the second transmission bevel gears, the top of the fan is fixedly connected with a first positioning plate, a second motor is mounted on the top of the first positioning plate, the output end of the second motor is connected with a worm gear meshing with the worm wheel, a first transmission bevel gear is mounted on the outer wall of the second air guide pipe above the rotating sealing ring, the first transmission bevel gear is meshed with the second transmission bevel gear, and an exhaust chamber is formed in the inner side of the positioning block and communicates with the second air guide pipe.

[0008] As a further scheme of the present application: the air injection demolding element further comprises a plug rod mounted on the limiting plate near the positioning mold on one side of the fan, a protective cylinder is mounted on the side of the positioning mold close to the limiting plate, a second contact piece is arranged on the inner side of the protective cylinder at one end of the plug rod, and a first contact piece is mounted on the inner wall of the protective cylinder.

[0009] As a further scheme of the present application: the second contact piece is electrically connected with an external power supply through wires, and the first contact piece is electrically connected with the second motor and the fan through wires.

[0010] As a further scheme of the present application: the air flow adjusting element comprises connecting cavities formed in the inner side of the positioning block and located on both sides of the exhaust chamber, a baffle is slidably connected to the inner side of the connecting cavities, a blocking plate is fixedly mounted on one side of the baffle and slidably connected with the exhaust chamber, a first extension spring is arranged on the inner wall of the connecting cavities on one side of the blocking plate, side connecting plates are mounted on both sides of the blocking plate, an inclined connecting rod is rotatably connected to the bottom of the side connecting plate through a rotating shaft, the end of the inclined connecting rod away from the side connecting plate is mounted on a rotating rod, a second clamping ring is rotatably connected to the outer side of the second air guide pipe through a rotating shaft, a first clamping ring is rotatably connected to the bottom of the second clamping ring through a bearing, a jacking frame is arranged on the bottom of the first clamping ring, a second extension cylinder is connected to the jacking frame on the bottom of the first air guide pipe, and a second extension spring is arranged on the inner side of the jacking frame and connected to the second extension cylinder.

[0011] As a further scheme of the present application: the second extension cylinder is electrically connected with the first contact piece through wires.

[0012] As a further scheme of the present application: the second clamping ring is coaxial with the center of the second air duct, the inner wall diameters of the second clamping ring and the first clamping ring are both greater than the outer wall diameter of the second air duct, and the second air duct cannot contact the second clamping ring and the first clamping ring when rotating, so that the jacking frame can drive the second clamping ring to move up and down without affecting the rotation of the second air duct.

[0013] As a further scheme of the present application: the barrier plate is provided with a sealing gasket at the position in contact with the exhaust chamber, and the length of the barrier plate is greater than the inner wall diameter of the second air duct.

[0014] The application further discloses a mold working method for shoe production, and adopts the mold equipment for shoe production.

[0015] S1: the first telescopic cylinder is started, the movable mold is moved towards the positioning mold through the extension of the first telescopic cylinder, and the mold is closed through the mutual adhesion of the movable mold and the positioning mold;

[0016] S2: the injection material is injected into the injection cavity in the inner mold through the injection pipe on the movable mold, so that the injection cavity is filled with the material, then the material in the injection cavity is cooled and formed, and the movable mold is separated from the positioning mold through the contraction of the first telescopic cylinder;

[0017] S3: the first motor is started, the rotation of the threaded rod is driven by the first motor, the limiting plate drives the air injection demolding element and the top plate to move synchronously, the top plate is dislocated from the demolding hole, and the finished product in the inner mold is lifted up;

[0018] S4: the air injection demolding element is started, the air injection demolding element is used to fill the gap between the sole and the injection cavity, and in this process, the bottom of the sole product is completely separated from the inner mold through the operation of the airflow adjusting element, and the demolding between the finished product and the mold is realized.

[0019] Compared with the prior art, the application has the following beneficial effects:

[0020] 1. The air injection demolding element is arranged, the second contact piece is in contact with the first contact piece due to the synchronous movement of the plug rod and the limiting plate, at this time, the fan and the second motor operate, when the fan operates, the airflow is discharged through the two sides of the exhaust chamber, so that the gap between the sole and the inner mold can be filled, at this time, the injection cavity in the inner mold is separated from the injection molded sole due to the increase of the air injection amount, and the second motor operates, so that the direction of the airflow can be changed, so that the diffusion efficiency of the air in the injection cavity is improved, the uniformity of demolding is improved, and damage caused by uneven stress of the sole during demolding is prevented.

[0021] 2、By setting the airflow adjusting piece, the second telescopic air cylinder is slowly contracted, at this time the blocking plate will move towards the center of the second air duct, in this process, the first telescopic spring is stretched, at the same time, the baffle moves synchronously with the blocking plate to partially block the top of the second air duct, at this time the two sides of the exhaust bin will be blocked, at this time the airflow will be discharged between the blocking plates on both sides of the exhaust bin, with the shortening of the distance between the blocking plates on both sides of the exhaust bin, the airflow flow rate discharged from the exhaust bin is increased, so as to improve the impact force of the airflow on the sole and the injection cavity, so that the connecting part of the sole and the injection cavity is subjected to a transverse impact force under the action of the airflow, cooperating with the rotation of the second air duct, the position far away from the demolding hole of the sole is completely separated from the injection cavity, so that the demolding efficiency of the sole is improved, and the uniformity of the stress of the sole in the demolding process is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the overall structure diagram of the application.

[0023] Figure 2 It is the connection diagram of the limiting plate and the positioning mold of the application.

[0024] Figure 3 It is the top structure diagram of the limiting plate of the application.

[0025] Figure 4 It is the Figure 3 It is the enlarged view of A in the application.

[0026] Figure 5 It is the connection diagram of the top plate and the second air duct of the application.

[0027] Figure 6 It is the internal structure diagram of the positioning block of the application.

[0028] Figure 7 It is the internal structure diagram of the protection cylinder of the application.

[0029] Figure 8 It is the connection diagram of the first air duct and the second air duct of the application.

[0030] In the figure: 1, mounting seat; 2, guide rod; 3, positioning frame; 4, first telescopic cylinder; 5, movable mold; 6, limiting plate; 7, inner mold; 8, positioning mold; 9, demolding hole; 10, top plate; 11, rotary sealing ring; 12, first air guide pipe; 13, first motor; 14, threaded rod; 15, fan; 16, plug rod; 17, protective cylinder; 18, first transmission bevel gear; 19, second motor; 20, first positioning plate; 21, worm; 22, worm gear; 23, transmission connecting shaft; 24, second air guide pipe; 25, second transmission bevel gear; 26, jacking frame; 27, rotating rod; 28, first snap ring; 29, second snap ring; 30, positioning block; 31, inclined connecting rod; 32, side connecting plate; 33, blocking plate; 34, exhaust bin; 35, connecting cavity; 36, baffle; 37, first telescopic spring; 38, first contact piece; 39, second contact piece; 40, second positioning plate; 41, second telescopic cylinder; 42, second telescopic spring. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0032] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The embodiments of the present application will be described below according to the overall structure of the present application.

[0033] Please refer to Figures 1-8The embodiment of the application discloses a mold equipment for shoe production, which comprises a mounting seat 1, a guide rod 2 is arranged on one side of the mounting seat 1, a positioning frame 3 is fixedly connected to one end of the guide rod 2, a first telescopic cylinder 4 is arranged on the positioning frame 3, an output end of the first telescopic cylinder 4 is connected with a movable mold 5 which is slidably connected with the guide rod 2, a positioning mold 8 is fixedly connected to the guide rod 2 and located between the movable mold 5 and the mounting seat 1, an inner mold 7 is arranged on one end of the positioning mold 8 close to the movable mold 5, an injection cavity is arranged on the inner side of the inner mold 7, a demolding hole 9 is formed in the inner side of the injection cavity, a limiting plate 6 is slidably connected to the guide rod 2 and located between the positioning mold 8 and the mounting seat 1, an air injection demolding piece is arranged on the side of the limiting plate 6 close to the positioning mold 8, a first motor 13 is arranged on one side of the mounting seat 1, a threaded rod 14 is connected to the output end of the first motor 13, the limiting plate 6 is movably sleeved on the outer side of the threaded rod 14, a positioning block 30 is connected to the side of the limiting plate 6 through the air injection demolding piece, a top plate 10 is arranged on the top of the positioning block 30 and located in the inner side of the demolding hole 9, and an airflow adjusting piece is arranged on the inner side of the positioning block 30.

[0034] The inner side of the limiting plate 6 is provided with a threaded hole matched with the threaded rod 14.

[0035] In the embodiment, the first telescopic cylinder 4 is started, the movable mold 5 is moved towards the positioning mold 8 through the extension of the first telescopic cylinder 4, the mold is closed through the mutual adhesion of the movable mold 5 and the positioning mold 8, then the injection material is injected into the injection cavity in the inner mold 7 through the injection pipe on the movable mold 5, so that the injection cavity is filled with the material, then the material in the injection cavity is cooled and formed, then the movable mold 5 is separated from the positioning mold 8 through the contraction of the first telescopic cylinder 4, at this time, the first motor 13 is started, the rotation of the threaded rod 14 driven by the first motor 13 is used to drive the synchronous movement of the limiting plate 6, the air injection demolding piece and the top plate 10, so that the top plate 10 is dislocated from the demolding hole 9, thereby the finished product in the inner mold 7 is lifted, then the air injection demolding piece is started, the air is filled into the gap between the sole and the injection cavity through the air injection demolding piece, in this process, the bottom of the sole finished product is completely separated from the inner mold 7 through the operation of the airflow adjusting piece, thereby the demolding between the finished product and the mold is realized, and the influence of the uneven stress on the sole finished product on the quality of the injection product during demolding is prevented.

[0036] Please pay attention to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 7 , Figure 8The air injection demolding element comprises a fan 15 installed on the limiting plate 6, the top of the fan 15 is connected with a first air guide pipe 12, one end of the first air guide pipe 12 is installed with a rotary sealing ring 11, one end of the rotary sealing ring 11 is connected with a second air guide pipe 24, a positioning block 30 is fixedly connected to one end of the second air guide pipe 24, and the top plate 10 and the top of the positioning block 30 are rotatably connected through a bearing, the top of the first air guide pipe 12 is provided with a second positioning plate 40 located above the fan 15, the second positioning plate 40 is rotatably connected with a transmission connecting shaft 23 through a bearing, both ends of the transmission connecting shaft 23 are installed with second transmission bevel gears 25, the transmission connecting shaft 23 is provided with a worm wheel 22 located between the second transmission bevel gears 25, the top of the fan 15 is fixedly connected with a first positioning plate 20, the top of the first positioning plate 20 is installed with a second motor 19, the output end of the second motor 19 is connected with a worm gear 21 engaged with the worm wheel 22, the outer wall of the second air guide pipe 24 is installed with a first transmission bevel gear 18 located above the rotary sealing ring 11, the first transmission bevel gear 18 is engaged with the second transmission bevel gear 25, the inner side of the positioning block 30 is provided with an exhaust bin 34, and the exhaust bin 34 and the second air guide pipe 24 are communicated with each other.

[0037] The air injection demolding element further comprises a plug rod 16 installed on the limiting plate 6 close to the positioning mold 8 and located on one side of the fan 15, the side close to the limiting plate 6 of the positioning mold 8 is installed with a protective cylinder 17, one end of the plug rod 16 is provided with a second contact piece 39 located inside the protective cylinder 17, and the inner wall of the protective cylinder 17 is installed with a first contact piece 38.

[0038] The second contact piece 39 is electrically connected with an external power supply through a wire, and the first contact piece 38 is electrically connected with the second motor 19 and the fan 15 through a wire.

[0039] In this embodiment: start the first motor 13, through the first motor 13 drive screw rod 14 rotation to make the top plate 10 to the inside of the shoe sole of the inside mold 7 to a place to be lifted, plug rod 16 because of the synchronous movement with the limiting plate 6 to make the second contact 39 and the first contact 38 contact, at this time the fan 15 and the second motor 19 operation, when the fan 15 operation will be the air around the equipment through the fan 15 into the first air duct 12, after the airflow through the first air duct 12, the first transmission bevel gear 18, the second air duct 24 into the exhaust warehouse 34, so that the airflow through the two sides of the exhaust warehouse 34 is discharged, so as to fill the gap between the shoe sole and the inside mold 7, at this time the injection cavity in the inside mold 7 will be separated from the injection molded shoe sole due to the increase of air injection, at the same time the second motor 19 operation makes the worm 21 through the worm wheel 22 drive transmission connecting shaft 23 rotation, so as to make the second transmission bevel gear 25 through the first transmission bevel gear 18 drive the second air duct 24 rotation, so as to change the direction of the airflow, so as to realize the diffusion efficiency of air in the injection cavity, improve the uniformity of demolding, prevent damage due to uneven stress of the shoe sole in the demolding process.

[0040] Please refer to Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 8 , the airflow adjusting member comprises a connecting cavity 35 opened in the positioning block 30 and located on both sides of the exhaust warehouse 34, the inner side of the connecting cavity 35 is slidably connected with a baffle 36, one side of the baffle 36 is fixedly installed with a blocking plate 33 slidably connected with the exhaust warehouse 34, one side of the blocking plate 33 is provided with a first extension spring 37 connected with the inner wall of the connecting cavity 35, both sides of the blocking plate 33 are installed with a side connecting plate 32, the bottom of the side connecting plate 32 is rotatably connected with an inclined connecting rod 31 through a rotating shaft, one end of the inclined connecting rod 31 away from the side connecting plate 32 is installed on the rotating rod 27, the outer side of the second air duct 24 is provided with a second clasp ring 29 rotatably connected with the rotating rod 27, the bottom of the second clasp ring 29 is rotatably connected with a first clasp ring 28 through a bearing, the bottom of the first clasp ring 28 is provided with a jacking frame 26, the bottom of the first air duct 12 is provided with a second extension cylinder 41 connected with the jacking frame 26, the inner side of the jacking frame 26 is provided with a second extension spring 42 connected with the second extension cylinder 41.

[0041] The second telescopic air cylinder 41 is electrically connected with the first contact 38 through a wire, the second clamping ring 29 is coaxial with the center of the second air guide pipe 24, the inner wall diameters of the second clamping ring 29 and the first clamping ring 28 are both greater than the outer wall diameter of the second air guide pipe 24, the second air guide pipe 24 cannot contact the second clamping ring 29 and the first clamping ring 28 when rotating, the rotation connection of the second clamping ring 29 and the first clamping ring 28 enables the jacking frame 26 to move up and down without affecting the rotation of the second air guide pipe 24, the sealing pad is arranged at the position where the blocking plate 33 contacts the exhaust chamber 34, and the length of the blocking plate 33 is greater than the inner wall diameter of the second air guide pipe 24.

[0042] In the embodiment, when the top plate 10 moves out of the demolding hole 9 under the operation of the first motor 13, the second contact 39 contacts the first contact 38, at this time, the second telescopic air cylinder 41 slowly contracts, when the second telescopic air cylinder 41 drives the jacking frame 26 to move, the rotating rod 27 will extrude the inclined connecting rod 31 with the movement of the second clamping ring 29 towards the positioning block 30, at this time, the inclined connecting rod 31 will drive the blocking plate 33 to move due to extrusion, at this time, the blocking plate 33 will move towards the center of the second air guide pipe 24, in this process, the first telescopic spring 37 extends, and the baffle 36 moves synchronously with the blocking plate 33 to partially block the top of the second air guide pipe 24, at this time, the two sides of the exhaust chamber 34 will be blocked, at this time, the airflow will be discharged from between the blocking plates 33 on the two sides of the exhaust chamber 34, with the shortening of the distance between the blocking plates 33 on the two sides of the exhaust chamber 34, the airflow velocity discharged from the exhaust chamber 34 increases, so as to increase the impact force of the airflow on the sole and the injection cavity, so that the connection between the sole and the injection cavity is subjected to a transverse impact force under the action of the airflow, and the rotation of the second air guide pipe 24 makes the position of the sole far from the demolding hole 9 completely separated from the injection cavity, so that the demolding efficiency of the sole is improved, and the uniformity of the stress of the sole in the demolding process is further improved.

[0043] The following is a shoe production mold working method based on the above-mentioned shoe production mold device, which specifically includes the following steps:

[0044] S1: start the first telescopic air cylinder 4, move the movable mold 5 towards the positioning mold 8 by the extension of the first telescopic air cylinder 4, and realize mold closing by the mutual adhesion of the movable mold 5 and the positioning mold 8;

[0045] S2: inject the injection material into the injection cavity in the inner mold 7 through the injection pipe on the movable mold 5, so that the material fills the injection cavity, then cool and shape the material in the injection cavity, and separate the movable mold 5 and the positioning mold 8 by the contraction of the first telescopic air cylinder 4;

[0046] S3: start the first motor 13, through the first motor 13 drive screw rod 14 rotation to make the limit plate 6 drive air injection demolding element, the top plate 10 synchronous movement, make the top plate 10 and demolding hole 9 dislocation, so as to the internal mold 7 inside the finished product a place to carry out the top up;

[0047] S4: start the air injection demolding element, through the air injection demolding element to make the air fill the gap between the sole and the injection cavity, in this process, through the operation of the airflow adjusting element to make the bottom of the sole product and the internal mold 7 completely separated, realize the demolding between the finished product and the mold;

[0048] In S4: the plug rod 16 due to the synchronous movement with the limit plate 6 to make the second contact 39 and the first contact 38 contact, at this time the fan 15 and the second motor 19 operation, when the fan 15 operation will blow the air around the equipment into the first air pipe 12, then the airflow through the first air pipe 12, the first transmission bevel gear 18, the second air pipe 24 into the exhaust chamber 34, so that the airflow through the two sides of the exhaust chamber 34, so as to fill the gap between the sole and the internal mold 7, at this time the injection cavity in the internal mold 7 will increase due to the injection of air volume and separate from the injection molded sole, at the same time the second motor 19 operation makes the worm 21 through the worm wheel 22 drive transmission connecting shaft 23 rotation, so as to make the second transmission bevel gear 25 through the first transmission bevel gear 18 drive the second air pipe 24 rotation, so as to change the direction of the airflow, so as to realize the diffusion efficiency of the air in the injection cavity, improve the uniformity of demolding, prevent the damage caused by uneven stress in the demolding process of the sole;

[0049] When the top plate 10 moves out of the demolding hole 9 under the operation of the first motor 13, the second contact piece 39 is in contact with the first contact piece 38, at this time, the second telescopic cylinder 41 slowly contracts, when the second telescopic cylinder 41 drives the lifting frame 26 to move, the rotating rod 27 will extrude the inclined connecting rod 31 with the movement of the second clasp 29 towards the positioning block 30, at this time, the inclined connecting rod 31 will drive the blocking plate 33 to move due to extrusion, at this time, the blocking plate 33 will move towards the center of the second air duct 24, in this process, the first telescopic spring 37 is stretched, at the same time, the baffle 36 moves synchronously with the blocking plate 33 to partially block the top of the second air duct 24, at this time, the two sides of the exhaust bin 34 will be blocked, at this time, the airflow will be discharged from the blocking plate 33 between the two sides of the exhaust bin 34, with the shortening of the distance between the blocking plate 33 between the two sides of the exhaust bin 34, the flow rate of the airflow discharged from the exhaust bin 34 is increased, so as to increase the impact force of the airflow on the sole and the injection cavity, so that the connecting part of the sole and the injection cavity is subjected to a transverse impact force under the action of the airflow, cooperating with the rotation of the second air duct 24, so that the position of the sole far away from the demolding hole 9 is completely separated from the injection cavity, so that the demolding efficiency of the sole is improved, and the uniformity of the stress of the sole in the demolding process is further improved.

[0050] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes to the technical solutions and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A moulding apparatus for the production of shoes, comprising a mounting seat (1), characterised in that, The side of the mounting base (1) is provided with a guide rod (2), one end of the guide rod (2) is fixedly connected with a positioning frame (3), the positioning frame (3) is provided with a first telescopic cylinder (4), the output end of the first telescopic cylinder (4) is connected with a movable mold (5) which is slidably connected with the guide rod (2), the guide rod (2) is fixedly connected with a positioning mold (8) which is located between the movable mold (5) and the mounting base (1), one end of the positioning mold (8) close to the movable mold (5) is provided with an inner mold (7), the inner side of the inner mold (7) is provided with an injection cavity, the inner side of the injection cavity is provided with a demolding hole (9), the guide rod (2) is slidably connected with a limiting plate (6) which is located between the positioning mold (8) and the mounting base (1), the side of the limiting plate (6) close to the positioning mold (8) is provided with a gas injection demolding device, the side of the mounting base (1) is provided with a first motor (13), the output end of the first motor (13) is connected with a threaded rod (14), the limiting plate (6) is movably sleeved on the outer side of the threaded rod (14), the side of the limiting plate (6) is connected with a positioning block (30) through the gas injection demolding device, the top of the positioning block (30) is provided with a top plate (10) which is located in the inner side of the demolding hole (9), the inner side of the positioning block (30) is provided with an airflow adjusting device; The gas injection demolding device comprises a fan (15) mounted on the limiting plate (6), the top of the fan (15) is connected with a first air guide pipe (12), one end of the first air guide pipe (12) is provided with a rotary sealing ring (11), one end of the rotary sealing ring (11) is connected with a second air guide pipe (24), the positioning block (30) is fixedly connected with one end of the second air guide pipe (24), and the top of the top plate (10) and the positioning block (30) are rotatably connected through a bearing, the top of the first air guide pipe (12) is provided with a second positioning plate (40) which is located above the fan (15), the second positioning plate (40) is rotatably connected with a transmission connecting shaft (23) through a bearing, the two ends of the transmission connecting shaft (23) are provided with second transmission bevel gears (25), the transmission connecting shaft (23) is provided with a worm wheel (22) which is located between the second transmission bevel gears (25), the top of the fan (15) is fixedly connected with a first positioning plate (20), the top of the first positioning plate (20) is provided with a second motor (19), the output end of the second motor (19) is connected with a worm (21) which is engaged with the worm wheel (22), the outer wall of the second air guide pipe (24) is provided with a first transmission bevel gear (18) which is located above the rotary sealing ring (11), the first transmission bevel gear (18) is engaged with the second transmission bevel gear (25), the inner side of the positioning block (30) is provided with an exhaust bin (34), the exhaust bin (34) and the second air guide pipe (24) are communicated with each other; The air injection demolding element further comprises a plug rod (16) installed on the limiting plate (6) near the positioning mold (8) on the side of the fan (15), a protective cylinder (17) is installed on the side of the positioning mold (8) near the limiting plate (6), one end of the plug rod (16) is provided with a second contact (39) inside the protective cylinder (17), and a first contact (38) is installed on the inner wall of the protective cylinder (17); The second contact (39) is electrically connected with the external power supply through a wire, and the first contact (38) is electrically connected with the second motor (19) and the fan (15) through a wire.

2. The mold apparatus for shoe production according to claim 1, wherein The inner side of the limiting plate (6) is provided with a threaded hole matched with the threaded rod (14).

3. The mold apparatus for shoe production according to claim 1, wherein The airflow adjusting element comprises a connecting cavity (35) opened in the positioning block (30) and located on both sides of the exhaust bin (34), a baffle (36) is slidably connected to the inner side of the connecting cavity (35), a blocking plate (33) slidably connected with the exhaust bin (34) is fixedly installed on one side of the baffle (36), a first extension spring (37) connected with the inner wall of the connecting cavity (35) is arranged on one side of the blocking plate (33), side connecting plates (32) are installed on both sides of the blocking plate (33), and a inclined connecting rod (31) is rotatably connected to the bottom of the side connecting plate (32) through a rotating shaft, one end of the inclined connecting rod (31) away from the side connecting plate (32) is installed on the rotating rod (27), the outer side of the second air guide pipe (24) is provided with a second clamping ring (29) rotatably connected with the rotating rod (27), the bottom of the second clamping ring (29) is rotatably connected with a first clamping ring (28) through a bearing, the bottom of the first clamping ring (28) is provided with a jacking frame (26), the bottom of the first air guide pipe (12) is provided with a second extension cylinder (41) connected with the jacking frame (26), and the inner side of the jacking frame (26) is provided with a second extension spring (42) connected with the second extension cylinder (41).

4. The mold apparatus for shoe production according to claim 3, wherein The second extension cylinder (41) is electrically connected with the first contact (38) through a wire.

5. The mold apparatus for shoe production according to claim 3, wherein The second clamping ring (29) and the second air guide pipe (24) are coaxial with the center, the diameters of the inner wall of the second clamping ring (29) and the first clamping ring (28) are greater than the diameter of the outer wall of the second air guide pipe (24), and the second air guide pipe (24) cannot contact the second clamping ring (29) and the first clamping ring (28) during rotation, and the rotation connection of the second clamping ring (29) and the first clamping ring (28) enables the jacking frame (26) to move up and down without affecting the rotation of the second air guide pipe (24).

6. The mold apparatus for shoe production according to claim 3, wherein The position where the blocking plate (33) contacts the exhaust bin (34) is provided with a sealing gasket, and the length of the blocking plate (33) is greater than the inner diameter of the second air guide pipe (24).

7. A mold working method for shoe production, characterized by, The mold equipment for producing shoes according to any one of claims 1-6 comprises the following steps: S1: start the first telescopic cylinder (4), move the movable mold (5) to the positioning mold (8) by the expansion of the first telescopic cylinder (4), and realize the clamping of the movable mold (5) and the positioning mold (8) by mutual fitting; S2: inject the injection material into the injection cavity in the inner mold (7) through the injection pipe on the movable mold (5), so that the material fills the injection cavity, then cool the material in the injection cavity, and separate the movable mold (5) and the positioning mold (8) by the contraction of the first telescopic cylinder (4); S3: start the first motor (13), rotate the threaded rod (14) driven by the first motor (13) to make the limiting plate (6) drive the air injection demolding element and the top plate (10) to move synchronously, so that the top plate (10) is dislocated with the demolding hole (9), thereby the product in the inner mold (7) is lifted; S4: start the air injection demolding element, fill the gap between the sole and the injection cavity with air through the air injection demolding element, and completely separate the bottom of the sole product from the inner mold (7) through the operation of the airflow adjusting element during the process, thereby realizing the demolding between the product and the mold.

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