CN209851452U

CN209851452U - PU case production mould

Info

Publication number: CN209851452U
Application number: CN201920346861.3U
Authority: CN
Inventors: 王士奇; 李贤�
Original assignee: Shanghai Lupa Industrial Co Ltd
Current assignee: Shanghai Lupa Industrial Co Ltd
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2019-12-27
Anticipated expiration: 2029-03-19

Abstract

The utility model discloses a PU case production mould, which relates to the technical field of moulds, and comprises a mould body, wherein the mould body comprises a bottom mould, two end moulds and two side moulds, the bottom mould, the end moulds and the side moulds are jointly spliced to form a sealed moulding space, a supporting table is arranged in the moulding space, a spacing piece is arranged in the supporting table, and the spacing piece is placed between an inner box and an outer box so as to form an injection cavity between the inner box and the outer box; side form and end mould all articulate on the die block, be equipped with between side form and the end mould and be used for injecing the two and keep the limited subassembly of amalgamation state, be formed with the injection mouth between two side forms, operating personnel is in injection mouth department to outer container drilling, make the injection mouth with pour into the chamber intercommunication into, later at the injection mouth to pouring into the chamber and mould polyurethane, wait for after polyurethane solidifies, open end mould and side form, thereby take out three-layer forming's PU case, whole operation process is comparatively simple, the operating personnel of being convenient for operate, thereby improve the preparation efficiency of making the PU case.

Description

PU case production mould

Technical Field

The utility model relates to the technical field of mold, more specifically say, it relates to a PU case production mould.

Background

Cold chain transportation refers to transportation in which the transported goods are kept at a certain temperature throughout the transportation process, no matter in the links of loading, unloading, carrying, changing transportation modes, changing packaging equipment and the like.

In cold chain transportation, in order to prolong the storage time of perishable goods, a matched box generally needs to have waterproof, heat preservation and heat insulation effects, a common box material for cold chain transportation comprises a PU box made of a polyurethane material, the polyurethane material is polyurethane, which is abbreviated as PU, and is widely applied to the field of cold chain transportation due to the excellent waterproof and heat insulation effects. The preparation mode of PU case generally is the polyurethane of moulding plastics between two-layer carton, treats to form a three layer construction's PU case after polyurethane solidifies, and the PU case includes inner box, outer container and polyurethane layer, makes the PU case and improves manufacturing efficiency for making things convenient for operating personnel, consequently need provide a production mould of supporting production PU case.

SUMMERY OF THE UTILITY MODEL

To this problem of the manufacturing efficiency that needs improve the PU case among the in-service use, the utility model aims to provide a PU case production mould places inner box and outer container on a supporting bench, with end mould and side form amalgamation and inject the subassembly and inject both amalgamations, from the injection opening on the side form to the injection chamber polyurethane of moulding plastics between inner box and the outer container to form the PU case, concrete scheme is as follows:

a PU (polyurethane) box production mold comprises a mold body, wherein the mold body comprises a bottom mold, two end molds and two side molds, the bottom mold, the end molds and the side molds are spliced together to form a sealed molding space, a supporting table for placing an inner box is arranged in the molding space, a spacing piece is arranged in a matching manner on the supporting table, and the spacing piece is placed between the inner box and an outer box so as to form an injection cavity between the inner box and the outer box;

the side die and the end die are hinged to the bottom die, and a limiting assembly used for limiting the side die and the end die to keep a split state is arranged between the side die and the end die;

when the end die is spliced with the side dies, an injection port is formed between the two side dies and is communicated with the injection cavity.

By the technical scheme, when the PU box is manufactured, the inner box is firstly placed on the supporting platform and is abutted against the bottom die, then the spacing piece is placed on the inner box, then the outer box is placed on the spacing piece, so that an injection cavity is formed between the inner box and the outer phenomenon, then the side die and the end die are rotated until the side die, the end die and the bottom die are spliced to form a molding space, the outer box, the spacing piece and the inner box cover are arranged in the molding space, the limiting assembly limits the side mold and the end mold to keep a stable splicing state, an operator drills a hole on the outer box by a tool at the injection opening, the injection port is communicated with the injection cavity, polyurethane is injected into the injection cavity through the injection port, the end mold and the side mold are opened after the polyurethane is solidified for a period of time, thereby take out three-layer fashioned PU case, whole operation process is comparatively simple, the operating personnel operation of being convenient for to improve the preparation efficiency of making the PU case.

Further, inject the subassembly and include screw rod, rotatory cover and block the strip, the screw rod articulate in on the side form, rotatory cover threaded connection be in on the screw rod, block be formed with on the strip with the joint groove of screw rod adaptation, work as the screw rod rotates extremely when in the joint groove, rotatory cover with block the strip and support tightly.

Through above-mentioned technical scheme, when end mould and side form amalgamation, rotate the screw rod to the joint groove in, rotate the swivel mount again until the swivel mount with block the strip and support tightly, the swivel mount drives the side form to support tightly with the end mould in rotatory in-process to make when pouring into the injection chamber and moulding polyurethane, remain stable between inner box and the outer container.

Furthermore, the rotating sleeve is provided with a connecting rod along the axial extension of the screw rod, a hand rotating rod is connected to the connecting rod, and the hand rotating rod is perpendicular to the connecting rod.

Through above-mentioned technical scheme, the setting up of hand bull stick makes operating personnel be convenient for the application of force when rotating the swivel sleeve, screws up the swivel sleeve fast or unscrews.

Further, two the face that the side form was contradicted is established to the amalgamation face, the half slot has been seted up on the amalgamation face, and when two when the side form amalgamates, two the half slot forms the injection opening.

Through above-mentioned technical scheme for after side form and end mould amalgamation, the central point that the whole mould of filling opening department put, thereby make the through-hole of operating personnel brill on the outer container go out the intermediate position, behind the polyurethane of moulding plastics, the polyurethane is even to the flow that pours into the chamber into, makes the biggest filling in the injection chamber to polyurethane, reduces the space that the hourglass was filled.

Furthermore, the bottom die is provided with an installation frame, and the installation frame is provided with a driving piece for driving the end die and the side die to rotate.

Through above-mentioned technical scheme, driving piece drives end mould and side form and rotates until end mould, end mould and die block amalgamation, reduces operating personnel's intensity of labour.

Further, the driving piece is including driving actuating cylinder, the stiff end that drives actuating cylinder with the mounting bracket is articulated, the flexible end that drives actuating cylinder respectively with side form, end mould are articulated.

Through the technical scheme, after the driving cylinder is started, the telescopic rod of the driving cylinder extends out of the hinged position of the top pressing end die and the side die and rotates around the bottom die, so that the end die and the side die move together until being spliced.

Furthermore, the supporting table is connected with the bottom die, a top pressure plate and a top pressure cylinder connected with the top pressure plate are arranged in the supporting table, and the top pressure cylinder drives the top pressure plate to do reciprocating motion close to or far away from the supporting table.

Through above-mentioned technical scheme, after polyurethane solidifies, PU case shaping, drive roof pressure cylinder, the telescopic link of roof pressure cylinder exerts the motive force to the inner box to with the polyurethane layer and the die block separation that the die block condenses in the PU case, operating personnel only need hold out the PU case can.

Furthermore, an installation groove is formed in the supporting platform, the jacking cylinder is located in the installation groove, and the movable end of the jacking cylinder extends out of the installation groove and is connected with the jacking plate.

Through the technical scheme, the jacking cylinder is arranged in the mounting groove, the floor area of the jacking cylinder is reduced, and the space in the molding space is reasonably utilized.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) through the arrangement of the supporting table, the spacing pieces and the like, when the limiting end die, the side die and the bottom die of the limiting assembly are spliced, the inner box and the outer box are placed on the supporting table in the molding space, and an operator performs injection molding on an injection cavity between the inner box and the outer box from an injection port in the side die, so that the inner box, the outer box and the polyurethane form a PU box, the whole operation process is convenient, and the manufacturing efficiency is improved;

(2) through setting up roof pressure board and roof pressure cylinder, the telescopic link of roof pressure cylinder exerts the motive force to the inner box to with the polyurethane layer and the die block separation that the die block condenses in the PU case, operating personnel only need hold out the PU case can.

Drawings

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

fig. 2 is a schematic cross-sectional view of the present invention showing the supporting platform cut along the central axis of the injection port.

Reference numerals: 1. a mold body; 101. bottom die; 102. end die; 103. side mould; 131. an injection port; 2. a molding space; 3. a support table; 31. mounting grooves; 4. a spacing member; 5. an injection chamber; 6. an inner box; 7. an outer box; 8. defining an assembly; 81. a screw; 82. a rotating sleeve; 83. a barrier strip; 831. a clamping groove; 9. a connecting rod; 10. a hand lever; 12. a mounting frame; 13. a hinged seat; 14. a driving cylinder; 15. the jacking cylinder; 16. and a top pressing plate.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1, a PU box production mold, including mold body 1, mold body 1 includes bottom mold 101, two end molds 102 and two side molds 103, bottom mold 101 and two end molds 102 are identical in structure, and all are the square, and two side molds 103 are whole and all are "L" font, and two end molds 102 articulate respectively in two opposite sides of bottom mold 101, and two side molds 103 articulate respectively in two other opposite sides of bottom mold 101, and when end mold 102 and side mold 103 rotated to the amalgamation state around the articulated department, bottom mold 101, end mold 102 and side mold 103 amalgamate jointly and form sealed finished mold space 2, and whole mold is the square.

As shown in fig. 2, a supporting platform 3 for placing an inner box 6 is arranged in the molding space 2, a spacing member 4 is arranged on the supporting platform 3 in a matching manner, and the spacing member 4 is specifically two independently arranged hard plastic blocks. Inner box 6 and outer container 7 all are hollow structure and one side is uncovered, puts inner box 6 on brace table 3 earlier, and inner box 6 and die block 101's terminal surface butt will separate position piece 4 and put on inner box 6 keeps away from the terminal surface of die block 101, puts outer container 7 on separating position piece 4 again, and outer container 7 and die block 101's terminal surface butt separates position piece 4 and makes to form between inner box 6 and the outer container 7 and pour into chamber 5 into. When whole mould is the amalgamation state, the face that two side forms 103 contradict is established to the amalgamation face, offers the semicircular groove of size unanimity on two amalgamation faces respectively, and when two side forms 103 amalgamation, two semicircular grooves form injection opening 131, and in actual operation, operating personnel utilizes the instrument to punch to outer box 7 at injection opening 131 for injection opening 131 with pour into the chamber 5 intercommunication, later operating personnel is the injection moulding polyurethane in injection opening 131 pouring into chamber 5.

As shown in fig. 1, a limiting assembly 8 for limiting the split state of the side die 103 and the end die 102 is arranged between the side die 103 and the end die 102, the limiting assembly 8 is arranged on both sides of the side die 103, and four sets of the limiting assemblies 8 are arranged along the length direction of the side die 103. It includes screw rod 81 to inject subassembly 8, swivel housing 82 and stop strip 83, the screw rod 81 accessible sets up connecting pieces such as pivot and articulates on side form 103, swivel housing 82 threaded connection is on screw rod 81, stop strip 83 fixed connection on end mould 102, stop strip 83 wholly is "U" font, stop strip 83 middle part promptly and form joint groove 831, joint groove 831 and screw rod 81 size adaptation, when screw rod 81 rotates to joint groove 831 around its articulated department with side form 103, rotate swivel housing 82 until swivel housing 82 supports tightly with stop strip 83, thereby make end mould 102 support tightly with side form 103, avoid end mould 102 and side form 103 to separate under the striking of external force.

The rotating sleeve 82 is provided with the connecting rods 9 parallel to the axis of the screw 81 along the axial extension of the screw 81, the connecting rods 9 are arranged in two numbers, a hand rotating rod 10 perpendicular to the connecting rods 9 is welded on the two connecting rods 9, and an operator can rotate the rotating sleeve 82 through the hand rotating rod 10 conveniently.

As shown in fig. 1, in order to facilitate the end mold 102 and the side mold 103 to rotate around the hinge between the end mold and the bottom mold 101, the bottom mold 101 is provided with a mounting frame 12, the mounting frame 12 is in a cross shape as a whole, the bottom mold 101 is fixed at the center of the mounting frame 12, and the mounting frame 12 is provided with driving members around the bottom mold 101. In detail, four ends of the mounting frame 12 are provided with the hinge seats 13, the hinge seats 13 are integrally shaped like a Chinese character 'ao', and the hinge seats 13 can be detachably connected with the mounting frame 12 by screws. The driving piece is including driving actuating cylinder 14, and the stiff end that drives actuating cylinder 14 realizes articulated through setting up articulated seat 13 on pivot and the mounting bracket 12 tip, also all is equipped with articulated seat 13 on two end mould 102 and the side form 103 faces of mounting bracket 12, and the flexible end that drives actuating cylinder 14 drives the tip of actuating cylinder 14's telescopic link promptly and end mould 102, articulated seat 13 on the side form 103 also realizes articulated through setting up the pivot.

As shown in fig. 2, the supporting platform 3 is cylindrical as a whole, the supporting platform 3 is vertically and fixedly connected with the bottom die 101, and the supporting platform 3 is provided with a mounting groove 31 on the side surface facing the bottom die 101, the mounting groove 31 is arranged along the length direction of the supporting platform 3, a jacking cylinder 15 is arranged in the mounting groove 31, the fixed end of the jacking cylinder 15 is fixedly connected with the bottom die 101, the movable end of the jacking cylinder 15, namely the end of the piston rod, penetrates out of the mounting groove 31, and then a jacking plate 16 is fixedly connected with the supporting platform 3, and the jacking plate 16 and the. In an initial state, the jacking plate 16 abuts against the support platform 3 to drive the jacking cylinder 15, and a piston rod of the jacking cylinder 15 drives the jacking plate 16 to make reciprocating motion close to or far away from the support platform 3.

The working process of the utility model is as follows:

in an initial state, the end mold 102 and the side mold 103 are in a scattering state, after the inner box 6 and the outer box 7 are placed on the support table 3, the injection cavity 5 is formed between the inner box 6 and the outer box 7, the driving cylinder 14 is started, a piston rod of the driving cylinder 14 drives the end mold 102 and the side mold 103 to rotate around a hinged position until the end mold 102, the side mold 103 and the bottom mold 101 are in a scattering state, then the screw 81 is rotated into the clamping groove 831, the rotating sleeve 82 is rotated to be tightly abutted to the blocking strip 83, an operator performs injection molding on polyurethane on the injection cavity 5 from the injection opening 131, after the polyurethane is solidified, the driving cylinder 14 is started again, the piston rod of the driving cylinder 14 drives the end mold 102 and the side mold 103 to scatter, the jacking cylinder 15 is driven, and the piston rod of the jacking cylinder 15 drives the jacking plate 16 to eject the manufactured PU box from the support table 3.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A PU (polyurethane) box production mold comprises a mold body (1), wherein the mold body (1) comprises a bottom mold (101), two end molds (102) and two side molds (103), the bottom mold (101), the end molds (102) and the side molds (103) are spliced together to form a sealed molding space (2), and the PU box production mold is characterized in that a supporting table (3) used for placing an inner box (6) is arranged in the molding space (2), a spacing piece (4) is arranged on the supporting table (3) in a matching manner, and the spacing piece (4) is placed between the inner box (6) and an outer box (7) so as to form an injection cavity (5) between the inner box (6) and the outer box (7);

the side die (103) and the end die (102) are hinged on the bottom die (101), and a limiting assembly (8) for limiting the split state of the side die (103) and the end die (102) is arranged between the side die (103) and the end die;

when the end die (102) is spliced with the side dies (103), an injection port (131) is formed between the two side dies (103), and the injection port (131) is communicated with the injection cavity (5).

2. The PU box production mold of claim 1, wherein the limiting component (8) comprises a screw (81), a rotary sleeve (82) and a blocking strip (83), the screw (81) is hinged on the side mold (103), the rotary sleeve (82) is in threaded connection with the screw (81), a clamping groove (831) matched with the screw (81) is formed on the blocking strip (83), and when the screw (81) rotates into the clamping groove (831), the rotary sleeve (82) is abutted against the blocking strip (83).

3. The PU box production mold of claim 2, wherein the rotary sleeve (82) is provided with a connecting rod (9) along the axial extension of the screw (81), a hand-turning rod (10) is connected to the connecting rod (9), and the hand-turning rod (10) is perpendicular to the connecting rod (9).

4. The PU box production mold of claim 1, wherein the abutting surfaces of the two side molds (103) are split surfaces, and the split surfaces are provided with semicircular grooves, when the two side molds (103) are split, the two semicircular grooves form the injection port (131).

5. The PU box production mold according to claim 1, wherein the bottom mold (101) is provided with a mounting frame (12), and the mounting frame (12) is provided with a driving member for driving the end mold (102) and the side mold (103) to rotate.

6. A PU case production mould according to claim 5, wherein the driving member comprises a driving cylinder (14), the fixed end of the driving cylinder (14) is hinged with the mounting frame (12), and the telescopic end of the driving cylinder (14) is hinged with the side mold (103) and the end mold (102) respectively.

7. The PU box production mold of claim 1, wherein the support table (3) is connected to the bottom mold (101), and a top pressure plate (16) and a top pressure cylinder (15) connected to the top pressure plate (16) are disposed in the support table (3), and the top pressure cylinder (15) drives the top pressure plate (16) to reciprocate close to or away from the support table (3).

8. The PU box production mold of claim 7, wherein a mounting groove (31) is opened in the support table (3), the jacking cylinder (15) is located in the mounting groove (31), and the movable end of the jacking cylinder (15) extends out of the mounting groove (31) to be connected with the jacking plate (16).