CN108582678B

CN108582678B - Popcorn sole mould

Info

Publication number: CN108582678B
Application number: CN201810605175.3A
Authority: CN
Inventors: 陈发进; 陈新发; 姜天京
Original assignee: Jinjiang Zhongtian Mould Co ltd
Current assignee: Jinjiang Zhongtian Mould Co ltd
Priority date: 2018-06-13
Filing date: 2018-06-13
Publication date: 2023-10-20
Anticipated expiration: 2038-06-13
Also published as: CN108582678A

Abstract

The application provides a popcorn sole mould, comprising: the male die and the female die further comprise a die locking system, the die locking system is used for locking the male die and the female die, the die locking system comprises a pair of locking mechanisms, the pair of locking mechanisms are respectively arranged on two sides of the die, each locking mechanism comprises a locking device and a switching device, the locking device comprises an upper locking block fixed on the male die and a lower locking block which is positioned below the upper locking block and fixed on the female die, the upper end of the lower locking block is provided with a guide post extending into the upper locking block, and the locking device further comprises a movable arm pivoted on the lower side of the lower locking block; the stop block on the inner side of the movable arm can be blocked on the upper side of the upper locking block, so that the upper locking block is locked with the lower locking block. The application provides a popcorn sole mould, which solves the technical problems that the mould closing and locking effects of the popcorn sole mould are not ideal and the locking device is inconvenient to unlock.

Description

Popcorn sole mould

Technical Field

The application relates to the field of sole molds, in particular to a popcorn sole mold.

Background

Along with the improvement of living standard, the popcorn sole with sufficient elasticity and lighter weight is deeply favored by people, and the forming mode of the popcorn sole is mainly injection molding. The principle of injection molding is that TPU popcorn particles are plasticized into a melt by external heating and shearing heat of rotation of a screw in a charging barrel of a plastic machine, and then the melt is injected into a cavity with a certain shape by applying a certain pressure, and then the melt is cooled to obtain a desired article.

An important link of injection molding production is that the die assembly is locked, the die plate is not tightly combined, defective products or waste products can appear, waste is caused, the production cost is increased, the produced soles do not meet the conditions of required specifications and the like, and the locking device is unlocked, so that the problem of inconvenience exists.

Disclosure of Invention

The application aims to provide a popcorn sole mould, which solves the technical problems that the mould closing and locking effects of the popcorn sole mould are not ideal and the locking device is inconvenient to unlock.

In order to solve the technical problems, the application provides the following technical scheme:

a popcorn sole mold, comprising: the male die and the female die further comprise a die locking system, the die locking system is used for locking the male die and the female die, the die locking system comprises a pair of locking mechanisms which are respectively arranged at two sides of the die, each locking mechanism comprises a locking device and a switching device, the locking device comprises an upper locking block fixed on the male die, a lower locking block positioned below the upper locking block and fixed on the female die, a guide column extending into the upper locking block is arranged at the upper end of the lower locking block, and a movable arm pivoted at the lower side of the lower locking block; the stop block on the inner side of the movable arm can resist the upper side of the upper locking block, so that the upper locking block is locked with the lower locking block, the switch device is arranged on the male die, a movable shaft capable of pushing the movable arm to swing is arranged in the switch device, the movable shaft controls the movable arm to swing, the movable arm is separated from the upper locking block, and the upper locking block is unlocked from the lower locking block.

Further, a movable cavity is formed in the stop block, a first spring and a ball are arranged in the movable cavity, the ball is blocked at the lower end of the first spring, and the lower part of the ball protrudes out of the movable cavity and can be blocked in a fixed cavity at the upper side of the upper locking block.

Still further, switching device still includes barrel and power unit, the barrel inlays and establishes the both sides of terrace die, the loose axle slides and sets up in the barrel, the power unit sets up the upside of barrel, the power unit drive the loose axle slides.

Still further, the power unit includes support, rotation piece, shift fork and cylinder, rotation piece rotates and sets up on the support, the shift fork is connected the front side of rotation piece, the cylinder pin joint is in the side of terrace die, the extension end pin joint of cylinder is in the edge of rotation piece.

Furthermore, one side of the movable shaft is provided with a convex shaft extending to the outer side of the cylinder body, and a pusher dog at the lower end of the shifting fork can be sleeved on the outer side of the convex shaft.

Still further, the periphery of loose axle is gone up the cover and is equipped with the second spring, the second spring is located in the barrel, the one end of second spring is kept out on the inner wall of barrel front end, the other end of second spring is kept out in one side of the retaining ring of loose axle.

Further, one end of the movable shaft may extend to an inner side of the standing plate at the upper end of the movable arm.

Further, the male die has an elongated cavity therein extending to the rear side of the barrel.

Further, the rear end of the male die is pivoted with the rear end of the female die, and handles are fixed at the front end of the male die and the front end of the female die.

As can be seen from the technical scheme, the application has the following beneficial effects:

1. the locking device provided by the application can be used for locking the male die and the female die, and the switching device can be used for realizing automatic unlocking of the locking device, so that the locking device is convenient to automatically control, and the labor force is saved.

2. Because the locking device utilizes the elasticity of the first spring to downwards extrude the ball, the ball tightly presses the upper locking block, so that the upper locking block and the lower locking block are locked, the locking effect of the male die and the female die is improved, the forming effect of the popcorn sole is improved, and the forming yield is improved.

3. The switching device can convert the pushing action of the air cylinder into the rotary motion of the shifting fork, and the movable shaft is controlled to stretch and slide through the rotation of the shifting fork, so that the motion stroke of the telescopic shaft is controlled, misoperation caused by micro motion of the air cylinder is avoided, and the automatic control effect is improved.

The application is described in further detail below with reference to the drawings and the detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present application.

Fig. 2 is a schematic structural view of the female die of the present application.

Fig. 3 is a schematic cross-sectional structure of the present application.

Fig. 4 is a partial block diagram of fig. 3 according to the present application.

Fig. 5 is a schematic view of a structure of the switch device for controlling the locking device to be opened.

Fig. 6 is a partial result graph of fig. 5 in accordance with the present application.

Fig. 7 is a further partial result graph of fig. 5 in accordance with the present application.

Reference numerals illustrate: the die comprises a male die-1, a die core-11, a handle-12, a long and narrow cavity-13, a female die-2, a die cavity-21, a locking device-3, an upper locking block-31, a guide cavity-311, a fixed cavity-312, a lower locking block-32, a pin shaft-321, a movable arm-33, a stop block-331, a movable cavity-332, a vertical plate-333, a guide post-34, a first spring-35, a ball-36, a switching device-4, a cylinder-41, a movable shaft-42, a male shaft-421, a retainer ring-422, a power unit-43, a rotating member-431, a shifting fork-432, a cylinder-433, a rotating shaft-435, a bracket-434, a second spring-44, a mounting block-45 and a connecting block-46.

Detailed Description

Embodiments of the application are described in detail below with reference to the attached drawings, but the application can be implemented in a number of different ways, which are defined and covered by the claims.

The application is further described with reference to fig. 1 to 7, a popcorn sole mold as shown in fig. 1, comprising: the male die 1 and the female die 2 further comprise a die locking system for locking the male die 1 and the female die 2, as shown in fig. 3 and 4, the die locking system comprises a pair of locking mechanisms respectively arranged at two sides of the die, each locking mechanism comprises a locking device 3 and a switching device 4, the locking device 3 comprises an upper locking block 31 fixed on the male die 1 and a lower locking block 32 positioned below the upper locking block 31 and fixed on the female die 2, the upper end of the lower locking block 32 is provided with a guide post 34 extending into the upper locking block 31, and the locking device 3 further comprises a movable arm 33 pivoted at the lower side of the lower locking block 32; the stop 331 on the inner side of the movable arm 33 can abut against the upper side of the upper locking block 31, so that the upper locking block 31 is locked with the lower locking block 32, the switch device 4 is arranged on the male die 1, a movable shaft 42 capable of pushing the movable arm 33 to swing is arranged in the switch device 4, the movable shaft 42 controls the movable arm 33 to swing, the movable arm 33 is separated from the upper locking block 31, and the upper locking block 31 is unlocked from the lower locking block 32.

After the male die 1 and the female die 2 are assembled, the locking device 3 locks the male die 1 and the female die 2, so that stable locking between the two parts of the die can be realized, PU and popcorn particle composition is injected into the die cavity after locking, the molding of the popcorn sole is more uniform, the yield is improved, and the switching device 4 is used for opening the locking device 3, so that the die is convenient to open.

As shown in fig. 5, the lower portion of the guide post 34 is embedded in the lower locking block 32, the upper portion of the guide post 34 extends upward, the lower portion of the upper locking block 31 is provided with a guide cavity 311, and after the male die 1 and the female die 2 are assembled, the guide post 34 extends into the guide cavity 311, which is helpful for positioning and locking the male die 1 and the female die 2, and improving the forming effect of the popcorn sole.

The lower end of the movable arm 33 is pivotally connected to the side of the lower end of the lower locking block 32 through a pin 321.

As shown in fig. 5 and 6, the stopper 331 has a movable cavity 332 therein, a first spring 35 and a ball 36 are disposed in the movable cavity 332, the ball 36 is pressed against the lower end of the first spring 35, the lower portion of the ball 36 protrudes out of the movable cavity 332 and can be pressed against the fixed cavity 312 on the upper side of the upper locking block 31, during the forming process of the popcorn sole, the upper end of the movable arm 33 is pushed in a direction close to the popcorn sole mold, so that the stopper 331 is pressed against the upper side of the upper locking block 31, the lower portion of the ball 36 is embedded into the fixed cavity 312, the upper portion of the ball 36 presses the first spring 35, and under the elastic restoring force of the first spring 35, the first spring 35 presses the ball 36 downward, so that the ball 36 tightly presses against the fixed cavity 312 of the upper locking block 31, thus the upper locking block 31 and the lower locking block 32, which helps to improve the locking effect of the molding punch 1 and the molding rate of the popcorn sole 2, and the improvement of the molding effect of the molded product of the popcorn sole.

Specifically, the fixing cavity 312 is arc-shaped, and the shape of the fixing cavity 312 matches the shape of the lower portion of the ball 36.

As shown in fig. 7, the switching device 4 further includes a cylinder 41 and a power unit 43, the cylinder 41 is embedded at two sides of the male die 1, the movable shaft 42 is slidably disposed in the cylinder 41, the power unit 43 is disposed at an upper side of the cylinder 41, the power unit 43 drives the movable shaft 42 to slide, a connecting block 46 for supporting the cylinder 41 is welded at a lower end of the cylinder 41, and the connecting block 46 is fixed at two sides of the male die 1 through screws.

The power unit 43 comprises a bracket 434, a rotating member 431, a shifting fork 432 and an air cylinder 433, wherein the bracket 434 is fixed on the upper side of the cylinder 41, the rotating member 431 is rotatably arranged on the bracket 434 through a rotating shaft 435, the shifting fork 432 is connected to the front side of the rotating member 431, the rear end of the air cylinder 433 is pivoted on a mounting block 45 on the side face of the male die 1, the extending end of the air cylinder 433 is pivoted on the edge of the rotating member 431 through a pin shaft, and in the telescopic movement process of the air cylinder 433, the extending end of the air cylinder 433 drives the rotating member 431 to swing, and meanwhile, the rear end of the air cylinder 433 swings around the mounting block 45.

One side of the movable shaft 42 is provided with a protruding shaft 421 extending to the outer side of the cylinder 41, and a chute for extending the protruding shaft 421 is provided on the side surface of the cylinder 41.

The pusher dog of shift fork 432 lower extreme can overlap and establish the outside of protruding axle 421, when cylinder 433 passes through telescopic movement, can drive rotate 431 rotates, rotate 431 and make when rotating the round 431 shift fork 432 swings, the pusher dog of shift fork 432 lower extreme promotes protruding axle 421 makes loose axle 42 slides in barrel 41, through will the telescopic movement of cylinder 433 converts into the swing of shift fork 432, realizes shift fork 432 promotes the rectilinear motion of loose axle 42, the motion stroke of loose axle 42 alright be controlled, avoided the micro motion of cylinder 433 leads to the maloperation, power unit 43 moves nimble smooth and easy, the effectual control shift fork 432 promotes the motion of loose axle 42 realizes controlling locking device 3 opens, improves automated control effect.

As shown in fig. 7, a second spring 44 is sleeved on the outer periphery of the movable shaft 42, the second spring 44 is located in the cylinder 41, one end of the second spring 44 abuts against the inner wall of the front end of the cylinder 41, the other end of the second spring 44 abuts against one side of a retainer 422 of the movable shaft 42, when the front end of the movable shaft 42 extends out of the cylinder 41, the retainer 422 of the movable shaft 42 presses the second spring 44, so that the second spring 44 is compressed, and after the pawl rotated to the lower end of the shifting fork 432 by the rotating member 431 releases the protruding shaft 421, the second spring 44 depends on its own elastic force, so that the front end of the movable shaft 42 is retracted into the cylinder 41.

The front end of the movable shaft 42 extends out of the cylinder 41, the front end of the movable shaft 42 may extend to the inner side of the vertical plate 333 at the upper end of the movable arm 33, the movable arm 33 is pushed to swing, the balls 36 roll out of the fixed cavity 312, and the stopper 331 is separated from the upper locking block 31.

The punch 1 has an elongate cavity 13 therein which extends to the rear side of the barrel 41.

As shown in fig. 1 and 2, the rear end of the male die 1 is pivoted with the rear end of the female die 2, a die cavity 21 is arranged in the female die 2, a die core 11 is arranged in the male die 1, and the die core 11 is matched with the die cavity 21.

As shown in fig. 2, two ejection holes and a plurality of air holes are formed in the bottom of the mold cavity 21, the diameters of the air holes are 0.8-1.2mm, the distance between the two air holes is not less than 3mm, and the ejection rod is movably arranged in the ejection holes.

The front end of the male die 1 and the front end of the female die 2 are both fixed with handles 12.

The locking device 3 locks the male die 1 and the female die 2, so that stable locking between the two parts of the die can be realized, PU and popcorn particle compositions are injected into the die cavity after locking, the preparation of the popcorn sole is realized, the molding of the popcorn sole is more uniform, the yield is improved, and the switching device 4 is used for opening the locking device 3, so that the die is convenient to open.

When the novel corn sole is used, after the male die 1 and the female die 2 are assembled, the upper locking block 31 is positioned on the upper side of the lower locking block 32, the movable arm 33 is pushed to swing by using a tool, the stop block 331 is ensured to be blocked on the upper side of the upper locking block 31, meanwhile, the ball 36 elastically compresses the fixed cavity 312, so that the male die 1 and the female die 2 are tightly buckled, and then PU and a corn grain composition are injected into the locked die cavity, so that the novel corn sole is more uniform in molding.

When the molding is finished, the mold is required to be opened, the extending end of the air cylinder 433 is controlled to do retraction movement, the air cylinder 433 drives the rotating member 431 to rotate, so that the shifting fork 432 connected to the rotating member 431 drives the movable shaft 42 to slide linearly and move forwards, the front end of the movable shaft 42 is propped against the inner side of the vertical plate 333 at the upper end of the movable arm 33, the front end of the movable shaft 42 continues to slide forwards, the movable arm 33 is pushed, the balls 36 roll out from the fixed cavity 312, and the movable arm 33 is separated from the upper locking block 31, so that the locking device 3 is unlocked, and the driving is very convenient; after unlocking the locking device 3, the extending end of the air cylinder 433 is extended, the air cylinder 433 drives the rotating member 431 to reversely rotate, so that the shifting fork 432 connected to the rotating member 431 toggles the movable shaft 42 to linearly slide and retract, the front end of the movable shaft 42 is retracted into the cylinder 41, in this way, the pushing action of the air cylinder 433 can be converted into the rotating motion of the shifting fork 432 in a limited space, the telescopic sliding of the movable shaft 42 is controlled through the rotating motion of the shifting fork 432, the installation space is reasonably utilized, the movement stroke of the movable shaft 42 is effectively controlled, and the automatic control effect is improved.

The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A popcorn sole mold, comprising: the male die (1) and the female die (2) are characterized by further comprising a die locking system, wherein the die locking system is used for locking the male die (1) and the female die (2), the die locking system comprises a pair of locking mechanisms, the pair of locking mechanisms are respectively arranged on two sides of the die, each locking mechanism comprises a locking device (3) and a switching device (4), the locking device (3) comprises an upper locking block (31) fixed on the male die (1) and a lower locking block (32) which is positioned below the upper locking block (31) and fixed on the female die (2), a guide post (34) extending into the upper locking block (31) is arranged at the upper end of the lower locking block (32), and the locking device (3) further comprises a movable arm (33) pivoted on the lower side of the lower locking block (32); a stop block (331) on the inner side of the movable arm (33) can be blocked on the upper side of the upper locking block (31) so that the upper locking block (31) is locked with the lower locking block (32), the switch device (4) is arranged on the male die (1), a movable shaft (42) capable of pushing the movable arm (33) to swing is arranged in the switch device (4), and the movable shaft (42) controls the movable arm (33) to swing so that the movable arm (33) is separated from the upper locking block (31) and then the upper locking block (31) is unlocked from the lower locking block (32); the switch device (4) further comprises a cylinder body (41) and a power unit (43), wherein the cylinder body (41) is embedded on two sides of the male die (1), the movable shaft (42) is slidably arranged in the cylinder body (41), the power unit (43) is arranged on the upper side of the cylinder body (41), and the power unit (43) drives the movable shaft (42) to slide; the power unit (43) comprises a bracket (434), a rotating member (431), a shifting fork (432) and a cylinder (433), wherein the rotating member (431) is rotatably arranged on the bracket (434), the shifting fork (432) is connected to the front side of the rotating member (431), the cylinder (433) is pivoted on the side surface of the male die (1), and the extending end of the cylinder (433) is pivoted on the edge of the rotating member (431); one side of the movable shaft (42) is provided with a convex shaft (421) extending to the outer side of the cylinder body (41), and a pusher dog at the lower end of the shifting fork (432) can be sleeved on the outer side of the convex shaft (421); a second spring (44) is sleeved on the periphery of the movable shaft (42), the second spring (44) is positioned in the cylinder body (41), one end of the second spring (44) is abutted against the inner wall of the front end of the cylinder body (41), and the other end of the second spring (44) is abutted against one side of a check ring (422) of the movable shaft (42); the stopper (331) is internally provided with a movable cavity (332), the movable cavity (332) is internally provided with a first spring (35) and a ball (36), the ball (36) is blocked at the lower end of the first spring (35), and the lower part of the ball (36) protrudes out of the movable cavity (332) and can be blocked in a fixed cavity (312) at the upper side of the upper locking block (31); the rear end of the male die (1) is pivoted with the rear end of the female die (2), and handles (12) are fixed at the front end of the male die (1) and the front end of the female die (2).

2. The popcorn sole mold according to claim 1, wherein one end of the movable shaft (42) is extendable to an inner side of a riser (333) of an upper end of the movable arm (33).

3. The popcorn sole mould according to claim 1, characterized in that the male mould (1) has an elongated cavity (13) therein extending to the rear side of the barrel (41).