CN214000305U

CN214000305U - Injection molding last removal device for big toe-capped shoes

Info

Publication number: CN214000305U
Application number: CN202023001702.1U
Authority: CN
Inventors: 康存良
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-20
Anticipated expiration: 2030-12-09

Abstract

An injection molding and delasting device for large toe-capped shoes solves the problems that the existing delasting device for large toe-capped shoes can scratch finished shoes easily and the production cost of enterprises is high. The shoe last positioning device comprises a transition connecting plate, wherein a shoe covering mold is arranged above the transition connecting plate, a concave positioning groove plate is fixed on the upper side of the front end of the transition connecting plate, elastic fixing devices are respectively arranged on the left side and the right side of the upper end of the positioning groove plate, and the elastic fixing devices are structures which can swing and move when a shoe last positioning plate is pressed to the positioning groove plate to be attached and the shoe last is removed during injection molding. The utility model discloses novel structure thinks about ingeniously, and easy operation is convenient, through elastic fixation device to make the shoe tree locating plate have the activity of a vertical direction, when taking off the shoe tree, through the downward extrusion of shoe tree front end, thereby make shoe tree locating plate rear end stick up, the shoe tree separates with big die block, thereby can pull out the shoe tree fast, has reduced the cost of recruitment, has improved production efficiency.

Description

Injection molding last removal device for big toe-capped shoes

Technical Field

The utility model relates to a shoes machine injection moulding device technical field especially relates to a last removal device of moulding plastics of big toe cap shoes.

Background

The plastic injection moulding shoe is a production method in which the rubber material is flowed into charging cylinder and melted, then injected into the mould cavity to make the fabric or leather sole into one body. The shoe upper and the sole are integrated into a whole by injection molding at a certain temperature and under a certain pressure, and have certain flexibility, elasticity and wear resistance.

Big baotou shoes are middle wide, the little structure in both sides, and after the completion of moulding plastics, because of the structure of its shuttle type, all adopt the closed mode of hinge when preceding delasting, need regularly the hinge that opens and shuts alone, just can accomplish the delasting of big baotou shoes, is a very big loss to the manual work to the manufacturing cost of enterprise has been increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide a last removal device of moulding plastics of big baotou shoes, solved present big baotou shoes and taken off the last easy scratch finished shoes, problem that the manufacturing cost of enterprise is high.

The utility model discloses a realize through following technical scheme: the utility model discloses a transition connecting plate, transition connecting plate top are equipped with the baotou mould, and transition connecting plate front end upside is fixed with the positioning groove board of concavity, and the positioning groove board upper end left and right sides is equipped with elastic fixing device respectively, and elastic fixing device compresses tightly the shoe tree locating plate for the structure of positioning groove board laminating, the activity of can swinging when taking off the shoe tree when moulding plastics.

Preferably, each elastic fixing device comprises a supporting and pressing plate positioned above the transition connecting plate;

the positioning device also comprises a plurality of positioning columns fixedly connected with the positioning groove plate, a plurality of large round holes are arranged on the pressure supporting plate, the positioning columns movably penetrate through the pressure supporting plate through the large round holes, and nuts are connected to the upper ends of the positioning columns in a threaded manner;

the lower ends of the front nut and the rear nut are provided with pressure springs, and the lower ends of the pressure springs are in contact with the upper end of the pressure supporting plate.

Preferably, each elastic fixing device comprises a heightening plate fixedly connected with the positioning groove plate, and the upper end of the heightening plate is detachably connected with a plate spring;

the leaf spring includes the connecting plate of the L type of can dismantling the connection with increasing the board, and the inboard fixedly connected with curved clamp plate of connecting plate, clamp plate front end are the structure of the upwards perk of arc.

Preferably, a sealing plate is fixed to the rear end of the positioning groove plate, a lead screw is connected to the sealing plate in a threaded mode, and the front end of the lead screw is arranged above the positioning groove plate.

The utility model discloses novel structure thinks about ingeniously, and easy operation is convenient, through elastic fixation device to make the shoe tree locating plate have the activity of a vertical direction, when taking off the shoe tree, through the downward extrusion of shoe tree front end, thereby make shoe tree locating plate rear end perk, shoe tree and baotou mould separation, thereby can pull out the shoe tree fast, reduced the cost of recruitment, improved production efficiency.

Drawings

Fig. 1 is a schematic view of an overall structure of an embodiment of the present invention;

fig. 2 is a schematic structural view of an elastic fixing device according to an embodiment of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 2;

FIG. 4 is a schematic view of an overall structure of a second embodiment of the present invention;

FIG. 5 is a schematic structural view of a second elastic fixing device according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a second plate spring according to an embodiment of the present invention;

wherein: 1. transition connecting plate, 2, a ferrule mould, 3, a positioning groove plate, 4, an elastic fixing device, 5, a supporting and pressing plate, 6, a positioning column, 7, a nut, 8, a pressure spring, 9, a heightening plate, 10, a plate spring, 11, a connecting plate, 12, a pressing plate, 13, a sealing plate, 14 and a screw rod.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-6, the utility model discloses a transition connecting plate 1, transition connecting plate 1 top is equipped with baotou mould 2, and 1 front end upside of transition connecting plate is fixed with the positioning groove board 3 of concavity, and the positioning groove board 3 upper end left and right sides is equipped with elastic fixing device 4 respectively, and elastic fixing device 4 compresses tightly the shoe tree locating plate for the structure of fixed 3 laminating, swing activity when taking off the shoe tree when moulding plastics.

In practical application, a supporting plate is fixed at the lower end of a ferrule mold 2, four lead screws are fixed at the lower end of the supporting plate, the lower ends of the lead screws penetrate through a transition connecting plate 1, the lower ends of the lead screws are arranged below the transition connecting plate 1, blocking nuts are connected to the lead screws in a threaded manner, two blocking nuts are arranged on each lead screw, one blocking nut is arranged below the transition connecting plate 1, the upper end of each blocking nut is in contact with the lower end face of the transition connecting plate 1, one blocking nut is arranged above the transition connecting plate 1, and the lower end of each blocking nut is in contact with the upper end face of the transition connecting plate 1, so that the ferrule mold 2 is fixed, and the ferrule mold 2 can also adjust the height correspondingly, which are devices existing in the market at present and are not described in detail herein;

because the middle of the toe cap mould 2 is wide and the two ends are narrow, when the toe cap mould is demoulded and is directly pulled out forwards in a sliding manner, the toe cap mould is blocked and cannot complete the operation of removing the shoe last, a shoe last positioning plate is fixed on the shoe last, the positioning groove plate 3 is concave, the two sides of the positioning groove plate are provided with positioning sliding edges, the shoe last positioning plate slides along the positioning sliding edges, and the positioning groove plate 3 is also the prior art;

by arranging the elastic fixing device 4, when the last is required to be removed, the shoe tree is pressed from the front side, the front end of the shoe tree is tilted, the shoe tree is separated from the shoe covering mold 2, and the last can be removed by pulling the shoe tree forwards and backwards.

Each elastic fixing device 4 comprises a supporting and pressing plate 5 positioned above the transition connecting plate 1;

the positioning device also comprises a plurality of positioning columns 6 fixedly connected with the positioning groove plate 3, a plurality of large circular holes are arranged on the pressure supporting plate 5, the positioning columns 6 movably penetrate through the pressure supporting plate 5 through the large circular holes, and nuts 7 are connected to the upper ends of the positioning columns 6 in a threaded manner;

the lower ends of the front nut 7 and the rear nut 7 are provided with pressure springs 8, and the lower ends of the pressure springs 8 are in contact with the upper end of the supporting pressure plate 5.

As shown in fig. 1-3, a first embodiment is shown, the elastic fixing device 4 includes a supporting plate 5, a positioning column 6, a pressure spring 8 and a nut 7, the inner diameter of the large circular hole is larger than the outer diameter of the positioning column 6, so that the supporting plate 5 can have a displacement in any direction, the pressure spring 8 is sleeved outside the two positioning columns 6 in front and back, under the action of the pressure spring 8, the supporting plate 5 presses the shoe tree positioning plate, so that the shoe tree positioning plate is attached to the positioning groove plate 3, normal injection molding can be performed, when the shoe tree needs to be removed, the shoe tree is pressed downwards, the rear end of the supporting plate 5 tilts upwards at this time, the shoe tree positioning plate has a movement, the shoe tree is separated from the shoe covering mold 2, and the shoe tree can be pulled out quickly;

the nut 7 is arranged, so that the supporting and pressing plate 5 is convenient to replace, the pressure spring 8 can play a supporting role, and meanwhile, the pressure of the pressure spring 8 can be adjusted through the matching position of the nut 7 and the positioning column 6;

in addition, the positioning columns 6 on two sides are not sleeved with the compression springs 8, and the positioning columns 6 in the middle are sleeved with the compression springs 8, so that the purpose can be achieved.

Each elastic fixing device 4 comprises a heightening plate 9 fixedly connected with the positioning groove plate 3, and the upper end of the heightening plate 9 is detachably connected with a plate spring 10;

the plate spring 10 comprises an L-shaped connecting plate 11 detachably connected with the heightening plate 9, an arc-shaped pressing plate 12 is fixedly connected to the inner side of the connecting plate 11, and the front end of the pressing plate 12 is of an arc-shaped upward tilting structure.

As shown in fig. 4-6, for our second embodiment, the elastic fixing device 4 includes a heightening plate 9 and a plate spring 10, the connecting plate 11 is detachably connected with the heightening plate 9 by screws, and we can also set the heightening plate 9 to be detachably connected with the positioning groove plate 3 by screws, the lowest end of the plate spring 10 is located below the highest end of the transition connecting plate 1, so that the plate spring 10 can press the shoe last positioning plate, and the foremost end of the plate spring 10 is tilted upward, so as to facilitate the insertion of the shoe last positioning plate, when the shoe last positioning plate slides in the positioning groove plate 3, the plate spring 10 presses the shoe last positioning plate, the shoe last positioning plate is attached to the positioning groove plate 3, so as to perform normal injection molding, when the shoe last is removed, the front side is pressed, the shoe last positioning plate has a certain amount of movement, the rear end of the shoe last positioning plate is tilted upward, the shoe last is separated from the toe cap mold 2, pulling the shoe tree to complete last removal;

as shown in fig. 6, the pressing plate 12 has a rectangular gap with the lateral side of the connecting plate 11, which makes it possible to give the pressing plate 12 a good tendency to deform.

A sealing plate 13 is fixed at the rear end of the positioning groove plate 3, a lead screw 14 is connected to the sealing plate 13 through a thread, and the front end of the lead screw 14 is arranged above the positioning groove plate 3.

The rear end of the shoe tree is contacted with the front end of the lead screw 14, so that the transverse position of the shoe tree is limited, and the position of the shoe tree is adjusted by adjusting the position of the lead screw 14 matched with the closing plate 13.

The utility model discloses an elastic fixing device 4 to make the shoe tree locating plate have the activity of a vertical direction, when taking off the shoe tree, through the downward extrusion of shoe tree front end, thereby make shoe tree locating plate rear end perk, the shoe tree separates with baotou mould 2, thereby can pull out the shoe tree fast.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a last device that takes off moulds plastics of big package first shoes, includes transition connecting plate (1), and transition connecting plate (1) top is equipped with baotou mould (2), and transition connecting plate (1) front end upside is fixed with positioning groove board (3) of concavity, its characterized in that, positioning groove board (3) upper end left and right sides is equipped with elastic fixing device (4) respectively, and elastic fixing device (4) compress tightly the shoe tree locating plate when moulding plastics and to laminate as positioning groove board (3), structure that can swing the activity when taking off the last.

2. An injection moulding delasting device for large-toe shoes according to claim 1, characterised in that each of the elastic fixing means (4) comprises a pressure plate (5) located above the transition connecting plate (1);

the positioning device is characterized by also comprising a plurality of positioning columns (6) fixedly connected with the positioning groove plate (3), wherein a plurality of large round holes are formed in the supporting and pressing plate (5), the positioning columns (6) movably penetrate through the supporting and pressing plate (5) through the large round holes, and nuts (7) are connected to the upper ends of the positioning columns (6) in a threaded manner;

the lower ends of the front nut (7) and the rear nut (7) are provided with pressure springs (8), and the lower ends of the pressure springs (8) are in contact with the upper end of the supporting pressure plate (5).

3. An injection molding delasting device for big toe shoes according to claim 1, characterized in that each of the elastic fixing devices (4) comprises a heightening plate (9) fixedly connected with the positioning groove plate (3), and a plate spring (10) is detachably connected to the upper end of the heightening plate (9);

the plate spring (10) comprises an L-shaped connecting plate (11) detachably connected with the heightening plate (9), an arc-shaped pressing plate (12) is fixedly connected to the inner side of the connecting plate (11), and the front end of the pressing plate (12) is of an arc-shaped upward tilting structure.

4. An injection molding delasting device for big toe shoes according to any of claims 1-3, wherein a closing plate (13) is fixed at the rear end of the positioning groove plate (3), a lead screw (14) is connected to the closing plate (13) by screw thread, and the front end of the lead screw (14) is placed above the positioning groove plate (3).