CN212764396U

CN212764396U - Box foaming device

Info

Publication number: CN212764396U
Application number: CN202021559897.9U
Authority: CN
Inventors: 李维功; 桑仁柱; 吕健
Original assignee: Chuzhou Litong Machinery Equipment Manufacturing Co ltd
Current assignee: Chuzhou Litong mechanical equipment Co.,Ltd.
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-23
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a box foaming device, including die holder, fixed plate and fly leaf, the both sides at die holder top all are equipped with the fixed plate, and the both ends at die holder top all have the fly leaf movably mounted, the both sides above the die holder all are equipped with the slide rail, and the slide rail inboard movable mounting has the cope match-plate pattern, fixed plate and fly leaf constitute the die cavity, and the inside of die cavity is equipped with the core subassembly, the core subassembly includes sleeve, roof and curb plate; the utility model discloses a fixed plate and fly leaf enclose into the die cavity, cover the die cavity through the cope match-plate pattern and foam, and the back is accomplished in the foaming, can promote the screwed pipe through the threaded rod rotation to the jack-up roof promotes the box drawing of patterns, avoids the external force drawing of patterns to damage the box surface, and the in-process of roof jack-up, utilizes the articulated effect of first articulated arm and second articulated arm, and tensile tends to flare-out, thereby makes the curb plate internal contraction, removes with the inboard absorption of box, and the drawing of patterns is more laborsaving.

Description

Box foaming device

Technical Field

The utility model relates to a foaming equipment technical field especially relates to a box foaming device.

Background

The foam molding is a common processing technology of plastic parts, and is a common processing technology of refrigerator cabinets, wherein gas is dissolved in liquid polymer or the polymer is heated to a molten state, then countless tiny foam nuclei are formed through nucleation, and finally the foam nuclei are expanded to form foam with a required foam structure, and a foam plastic product is obtained through assimilation and shaping;

during foam molding, need adopt corresponding foaming mold, pour into plastic raw materials and gas in order to carry out the foaming process into to the die cavity, utilize the shape of die cavity to make final product form required shape, among the prior art, the refrigerator box is after the foaming, demoulding device such as thimble need be used, perhaps use external force to pull it out, easily cause refrigerator box surface fish tail to damage at this in-process, the inboard is easy to adsorb with the core, be difficult to the drawing of patterns, and current foaming device die cavity space all is fixed, unable harmomegathus changes, application scope narrow and narrow, consequently, the utility model provides a box foaming device is in order to solve the problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model aims to provide a box foaming device, this box foaming device enclose into the die cavity through fixed plate and fly leaf, cover the die cavity through the cope match-plate pattern and foam, and the back is accomplished in the foaming, can promote the screwed pipe through the threaded rod rotation to jack-up roof promotes the box drawing of patterns, avoids the external force drawing of patterns to damage the box surface.

For realizing the purpose of the utility model, the utility model discloses a following technical scheme realizes: a box foaming device comprises a lower die holder, fixing plates and movable plates, wherein the fixing plates are arranged on two sides of the top of the lower die holder, the movable plates are movably arranged at two ends of the top of the lower die holder, slide rails are arranged on two sides above the lower die holder, an upper die plate is movably arranged on the inner sides of the slide rails, a die cavity is formed by the fixing plates and the movable plates, a core assembly is arranged inside the die cavity and comprises a sleeve, a top plate and four side plates, the sleeve is fixed on the lower die holder, threaded pipes are arranged at the middle positions of the bottom of the top plate and movably inserted in the sleeve, the side plates are provided with four groups, first hinge arms are hinged to the periphery of the bottom of the top plate, the lower ends of the four groups of first hinge arms are hinged to the inner sides of the four groups of side plates respectively, second hinge arms are hinged to the hinged parts of the inner sides of the, and a spring is connected between the first hinge arm and the second hinge arm on the same side.

The further improvement lies in that: the bottom of the interior of the sleeve is rotatably provided with a threaded rod, the threaded rod is inserted into the threaded pipe and is matched with the threads, the bottom of the lower die holder is provided with a rotating motor, the output end of the rotating motor is connected with the threaded rod, the two sides of the sleeve are provided with guide grooves, and the two sides of the threaded pipe are provided with guide blocks matched with the guide grooves.

The further improvement lies in that: and the two sides above the lower die base are both rotatably provided with threaded screw rods, the threaded screw rods are driven by a motor, and nut sleeves matched with the threaded screw rods are arranged in the middle positions of the two sides of the upper die plate.

The further improvement lies in that: the die holder is characterized in that positioning plates are arranged at two ends above the lower die holder, a pneumatic cylinder is arranged in the middle position of the outer side of each of the two groups of positioning plates, and output ends of the pneumatic cylinders at the two ends are connected with the movable plates at the two ends respectively.

The further improvement lies in that: both sides at both ends the both sides of fly leaf outer end all are equipped with the guide bar, and both ends the guide bar activity respectively runs through both ends the locating plate.

The utility model has the advantages that: the utility model discloses a fixed plate and fly leaf enclose into the die cavity, cover the die cavity through the cope match-plate pattern and foam, the back is accomplished in the foaming, can promote the screwed pipe through the threaded rod rotation, thereby the jack-up roof, promote the box drawing of patterns, avoid the external force drawing of patterns to damage the box surface, and the in-process of roof jack-up, utilize the articulated effect of first articulated arm and second articulated arm, tensile tend to flare-out, thereby make the curb plate internal contraction, remove with the inboard absorption of box, the drawing of patterns is more laborsaving, and simultaneously, through pneumatic cylinder pulling fly leaf, can change the die cavity space of constituteing with the fixed plate, be convenient for foam the box of different volumes, wide application.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the lower die holder of the present invention;

FIG. 3 is a schematic view of a core assembly of the present invention;

figure 4 is a schematic view of the opening of the core assembly of the present invention.

Wherein: 1. a lower die holder; 2. a fixing plate; 3. a movable plate; 4. a slide rail; 5. mounting a template; 6. a core assembly; 7. a sleeve; 8. a top plate; 9. a side plate; 10. a threaded pipe; 11. a first hinge arm; 12. a second hinge arm; 13. a spring; 14. a threaded rod; 15. a rotating electric machine; 16. a guide block; 17. a threaded lead screw; 18. a nut sleeve; 19. positioning a plate; 20. a pneumatic cylinder; 21. a guide rod.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

According to fig. 1, 2, 3 and 4, the embodiment provides a box foaming device, which comprises a lower die holder 1, a fixed plate 2 and a movable plate 3, wherein the fixed plate 2 is arranged on both sides of the top of the lower die holder 1, the movable plate 3 is movably arranged on both ends of the top of the lower die holder 1, the slide rails 4 are arranged on both sides of the upper side of the lower die holder 1, an upper die plate 5 is movably arranged on the inner sides of the slide rails 4, the fixed plate 2 and the movable plate 3 form a die cavity, a core assembly 6 is arranged in the die cavity, the core assembly 6 comprises a sleeve 7, a top plate 8 and side plates 9, the sleeve 7 is fixed on the lower die holder 1, a threaded pipe 10 is arranged at the middle position of the bottom of the top plate 8, the threaded pipe 10 is movably inserted in the sleeve 7, the side plates 9 are provided with four groups, first hinge arms 11 are hinged around the bottom of the top plate 8, and the lower ends of the, the hinged parts of the inner sides of the four groups of side plates 9 are hinged with second hinged arms 12, the lower ends of the second hinged arms 12 are hinged with the lower die holder 1, and springs 13 are connected between the first hinged arms 11 and the second hinged arms 12 on the same side.

The bottom of the interior of the sleeve 7 is rotated and is provided with a threaded rod 14, the threaded rod 14 is inserted into the interior of the threaded pipe 10 and is matched with the threads, the bottom of the lower die holder 1 is provided with a rotating motor 15, the model of the rotating motor 15 is Y90S-2, the output end of the rotating motor 15 is connected with the threaded rod 14, guide grooves are formed in two sides of the sleeve 7, and guide blocks 16 matched with the guide grooves are arranged on two sides of the threaded pipe 10. When the foaming machine is used, foaming raw materials are led into a die cavity, the upper die plate 5 is covered, foaming is carried out, after foaming is completed, the rotating motor 15 drives the threaded rod 14 to rotate, the threaded pipe 10 is pushed to rise, the top plate 8 is jacked up, the box body is pushed to be demoulded, and in the jacking process of the top plate 8, the first hinged arm 11 and the second hinged arm 12 stretch and tend to be straightened, so that the side plates 9 contract inwards, and adsorption with the inner side of the box body is relieved.

And threaded screw rods 17 are rotatably arranged on two sides above the lower die holder 1, the threaded screw rods 17 are driven by a motor, and nut sleeves 18 matched with the threaded screw rods 17 are arranged in the middle positions of the two sides of the upper die plate 5. The screw thread screw rod 17 rotates to drive the upper template 5 to ascend and descend under the action of the nut sleeve 18, so that the mold opening or closing is facilitated.

The two ends above the lower die holder 1 are respectively provided with a positioning plate 19, the middle positions of the outer sides of the two positioning plates 19 are provided with pneumatic cylinders 20, and the output ends of the pneumatic cylinders 20 at the two ends are respectively connected with the movable plates 3 at the two ends.

Both sides of the outer end of the movable plate 3 at both ends are provided with guide rods 21, and the guide rods 21 at both ends respectively and movably penetrate through the positioning plates 19 at both ends. The pneumatic cylinder 20 pulls the movable plate 3 to change the cavity space formed with the fixed plate 2.

This box foaming device encloses into the die cavity through fixed plate 2 and fly leaf 3, cover the die cavity through cope match-plate pattern 5 and foam, the back is accomplished in the foaming, can promote screwed pipe 10 through threaded rod 14 rotation, thereby jack-up roof 8, promote the box drawing of patterns, avoid external force drawing of patterns to damage the box surface, and the in-process of roof 8 jack-up, utilize the articulated effect of first articulated arm 11 and second articulated arm 12, tensile trend is flare-out, thereby make curb plate 9 internal contraction, remove the absorption with the box inboard, the drawing of patterns is more laborsaving, and simultaneously, through pneumatic cylinder 20 pulling fly leaf 3, can change the die cavity space of forming with fixed plate 2, be convenient for foam the box of different volumes, application scope is wide.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a box foaming device, includes die holder (1), fixed plate (2) and fly leaf (3), its characterized in that: the die comprises a lower die base (1), a fixed plate (2) is arranged on each of two sides of the top of the lower die base (1), movable plates (3) are movably arranged at two ends of the top of the lower die base (1), slide rails (4) are arranged on each of two sides above the lower die base (1), an upper die plate (5) is movably arranged on each of the inner sides of the slide rails (4), a die cavity is formed by the fixed plate (2) and the movable plates (3), a core assembly (6) is arranged in the die cavity, the core assembly (6) comprises a sleeve (7), a top plate (8) and side plates (9), the sleeve (7) is fixed on the lower die base (1), a threaded pipe (10) is arranged at the middle position of the bottom of the top plate (8), the threaded pipe (10) is movably inserted in the sleeve (7), the side plates (9) are provided with four groups, first hinge arms (11) are hinged to the periphery of the bottom of the top plate (8), and the lower ends of, the hinged parts of the inner sides of the four groups of side plates (9) are hinged with second hinged arms (12), the lower ends of the second hinged arms (12) are hinged with the lower die holder (1), and springs (13) are connected between the first hinged arms (11) and the second hinged arms (12) on the same side.

2. A tank foaming device according to claim 1, wherein: the bottom of sleeve (7) inside is rotated and is installed threaded rod (14), and threaded rod (14) insert establish screwed pipe (10) inside and screw thread adaptation, the bottom of die holder (1) is equipped with rotating electrical machines (15), and the output of rotating electrical machines (15) is connected with threaded rod (14), the both sides of sleeve (7) all are equipped with the guide way, the both sides of screwed pipe (10) all are equipped with guide block (16) with guide way looks adaptation.

3. A tank foaming device according to claim 1, wherein: both sides above the lower die holder (1) are rotatably provided with threaded screw rods (17), the threaded screw rods (17) are driven by a motor, and nut sleeves (18) matched with the threaded screw rods (17) are arranged in the middle positions of both sides of the upper die plate (5).

4. A tank foaming device according to claim 1, wherein: both ends of die holder (1) top all are equipped with locating plate (19), and two sets of the intermediate position department in locating plate (19) outside is equipped with pneumatic cylinder (20), both ends the output of pneumatic cylinder (20) respectively with both ends fly leaf (3) are connected.

5. A tank foaming device according to claim 4, wherein: both sides at both ends fly leaf (3) outer end all are equipped with guide bar (21), and both ends guide bar (21) respectively the activity run through both ends locating plate (19).