CN216578964U

CN216578964U - Punching and injection molding device for PP plastic box sheet

Info

Publication number: CN216578964U
Application number: CN202122896193.1U
Authority: CN
Inventors: 赵新民
Original assignee: Xinzheng Yiqun Plastic Products Co ltd
Current assignee: Xinzheng Yiqun Plastic Products Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-24
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to the technical field of packaging boxes and discloses a sheet stamping and injection molding device for a PP (polypropylene) plastic box, which comprises a first sheet, a second sheet and a stamping and injection molding device, wherein a through hole is formed in the middle of the second sheet, the central points of the first sheet and the second sheet are coincided together and rotate to form a cross shape, the first sheet and the second sheet are welded through an injection molding strip, and the upper ports of the first sheet and the second sheet are welded with injection molding edges. This PP material plastic case sheet punching press device of moulding plastics, through the punching press device of moulding plastics with granular PP granule fuse inject into between sheet one and the sheet two, fuse under high temperature with the inseparable welding of sheet one and sheet two, through using the sheet one and the sheet two that the sanction was accomplished to carry out the punching press and mould plastics and can realize the combination of sheet technology and injection moulding process, compensate traditional sheet blister forming and injection moulding's defect, it is higher to realize the price/performance ratio, have better weatherability and bearing capacity, convenient printing, and the aesthetic effect is improved.

Description

Punching and injection molding device for PP plastic box sheet

Technical Field

The utility model relates to the technical field of packaging boxes, in particular to a punching and injection molding device for a PP plastic box sheet.

Background

The plastic packaging box is a common packaging container, is widely applied to various fields of food, medicine and the like, and has the advantages of low production cost, high production efficiency, light weight, good use effect and the like. Most current plastic packaging box adopts hot runner injection moulding technique and sheet blister technology to produce, adopt injection moulding production because the injection packaging box generally belongs to the thin wall product in process of production, the mould generally needs the wall thickness evenly, the cost is on the high side, and transparent material weatherability is poor, easily breakable, and generally adopt the membrane to paste the mark, the printing cost is high, through sheet blister shaping the shaping outward appearance orderly inadequately, the bearing capacity is not enough, lack three-dimensional aesthetic feeling, the difficult molding of box mouth, cause lid and box body lock inseparable, sealed effect is not good, the bearing capacity is not enough, difficult printing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a stamping and injection molding device for a PP (polypropylene) material plastic box sheet, which solves the problems of soft box opening, bearing capacity deviation, high cost and easiness in crushing of a box body caused by the conventional sheet plastic molding and injection molding.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a stamping and injection molding device for a PP plastic box sheet comprises a first sheet, a second sheet and a stamping and injection molding device, wherein a through hole is formed in the middle of the second sheet, the central points of the first sheet and the second sheet are overlapped together and rotate to form a cross shape, the first sheet and the second sheet are welded through an injection molding strip, and injection molding edges are welded at the upper ports of the first sheet and the second sheet;

the stamping and injection molding device comprises a driving device and a base plate, the left side of the surface of the base plate is fixedly provided with the driving device, a telescopic rod of the driving device is fixedly provided with a push rod, the right side of a fixed plate is fixedly connected with a connecting plate through a bolt, the right side of the connecting plate is fixedly provided with a sliding rod, the sliding rod is provided with an injection molding device, the injection molding device comprises a sliding block, the sliding block is slidably connected among the four sliding rods, the left side of the sliding block is fixedly connected with the push rod through threads, the surface of the sliding rod is fixedly provided with a stamping die, the right side of the sliding block is fixedly provided with a push rod, and a spring is fixedly arranged between the stamping die and the sliding block;

the right side of the stamping die is fixedly provided with a fixing clamping plate, the surface on the right side of the base plate is fixedly provided with a fixing baffle, the sliding rod penetrates through the fixing baffle, the left side of the fixing baffle is fixedly provided with an injection molding die, and the right side of the fixing baffle is provided with an injection molding fusion device.

Preferably, the first sheet material and the second sheet material are plastic sheet materials made of PP materials, the first sheet material and the second sheet material are cut into rectangular shapes through a cutting device, and the width of the injection molding strip is 1-3 cm.

Preferably, through holes are formed between the fixing plate and the connecting plate, the number of the sliding rods is four, the four sliding rods are arranged in a rectangular array mode, and the four sliding rods are identical in structure.

Preferably, stamping die's shape is the character cut in bas-relief, stamping die and packing carton phase-match, and stamping die is run through to the push rod, and the spring cup joints in the surface activity of push rod.

Preferably, the number of the fixed clamping plates is four, the four fixed clamping plates are arranged in a circumferential array mode, and the first sheet and the second sheet can be clamped between the four fixed clamping plates.

Preferably, a fusion groove is formed between the injection mold and the stamping mold and matched with the packaging box, an injection molding channel is arranged inside the injection mold, and a discharge port of the injection molding channel is matched with a joint of the first sheet and the second sheet.

Preferably, the fusion device of moulding plastics is linked together including annotating the plastic tubing, the discharge gate of annotating the plastic tubing and the discharge gate of the passageway of moulding plastics, and the surface of annotating the plastic tubing is provided with heating module, and the left upper end of injection molding material pipe is provided with the feed inlet, and the inside of annotating the plastic tubing rotates and is connected with the dwang, and the fixed surface of dwang installs helical fan blade, and the dwang passes through control system control and rotates.

(III) advantageous effects

Compared with the prior art, the utility model provides a stamping and injection molding device for PP plastic box sheets, which has the following beneficial effects:

1. this PP material plastic case sheet punching press device of moulding plastics, through the punching press device of moulding plastics with granular PP granule fuse inject into between sheet one and the sheet two, fuse under high temperature with the inseparable welding of sheet one and sheet two, through using the sheet one and the sheet two that the sanction was accomplished to carry out the punching press and mould plastics and can realize the combination of sheet technology and injection moulding process, compensate traditional sheet blister forming and injection moulding's defect, it is higher to realize the price/performance ratio, have better weatherability and bearing capacity, convenient printing, and the aesthetic effect is improved.

2. This PP material plastic case sheet punching press device of moulding plastics cuts out sheet one and sheet two through cutting out the device and becomes the rectangular shape, can effectively avoid traditional device directly to cut out the sheet into the cross phenomenon that leads to the fact sheet extravagant all around, save material, reduction in production cost can make sheet one and sheet two mould plastics the bottom surface welding inseparabler through setting up the through-hole, improves the leakproofness of product.

3. This PP material plastic case sheet punching press device of moulding plastics, sheet one and sheet two can be cut out the shaping by the sheet of two kinds of different thickness according to different demands, have solved the phenomenon that traditional injection moulding packing box wall thickness can not be seriously inconsistent, can print trade mark and pattern on the sheet in advance, can realize double-colored collocation, improve the packing carton aesthetic feeling.

4. This PP material plastic case sheet punching press device of moulding plastics, through setting up the injection mold device, shrink to the left side through drive arrangement control telescopic link, make the push rod from stamping die's right side roll-off, and then ejecting to the inside packing carton of accomplishing of moulding plastics of stamping die, and then make the packing carton break away from stamping die's inside, when the packing carton is accomplished to take off to mould, drive arrangement control telescopic link resets, the spring resets under the effect of elasticity like, and then injection molding once more, improve work efficiency, it is more stable to take off to mould.

Drawings

FIG. 1 is a schematic structural diagram of a stamping and injection molding device for a PP plastic box sheet according to the present invention;

FIG. 2 is a schematic structural view of the sheet of the present invention;

FIG. 3 is a schematic structural view of the sheet combination of the present invention;

FIG. 4 is a schematic structural view of the packing box of the present invention;

FIG. 5 is a schematic structural view of a fixing clip of the present invention;

FIG. 6 is a schematic structural diagram of an injection mold apparatus according to the present invention.

In the figure: the device comprises a driving device 1, a push rod 2, a fixing plate 3, a connecting plate 4, a sliding block 5, a stamping die 6, an injection die 7, a fixing baffle 8, a sliding rod 9, a heating module 10, a feeding hole 11, a rotating rod 12, a plastic injection tube 13, a spiral fan blade 14, a backing plate 15, a sheet I16, a through hole 17, a sheet II 18, an injection molding strip 19, an injection molding edge 20, an injection molding channel 21, a fixing clamping plate 22, a spring 23, a push rod 24 and a fusion groove 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a new technical solution: a sheet punching and injection molding device for a PP plastic box comprises a first sheet 16, a second sheet 18 and a punching and injection molding device, wherein the first sheet 16 and the second sheet 18 are plastic sheets made of PP materials, a through hole 17 is formed in the middle of the second sheet 18, the center points of the first sheet 16 and the second sheet 18 are overlapped together and are rotated to form a cross shape, punch forming can be facilitated, the first sheet 16 and the second sheet 18 are cut into a rectangular shape through a cutting device, the phenomenon that the periphery of the sheets is wasted due to the fact that the conventional device directly cuts the sheets into the cross shape can be effectively avoided, materials are saved, production cost is reduced, the bottoms of the first sheet 16 and the second sheet 18 are welded together through ultrasonic welding, the injection molding bottom surfaces of the first sheet 16 and the second sheet 18 can be welded more tightly through the through hole 17, the sealing performance of the product is improved, the first sheet 16 and the second sheet 18 are punched into a box shape through the punching and injection molding device, then the first sheet 16 and the second sheet 18 are welded more tightly through injection molding, the first sheet 16 and the second sheet 18 are welded through an injection molding strip 19, granular PP particles are fused and injected between the first sheet 16 and the second sheet 18 through a stamping injection molding device, the first sheet 16 and the second sheet 18 are welded tightly through fusion at high temperature, the width of the injection molding strip 19 is 1-3cm, the contact surface between the first sheet 16 and the second sheet 18 can be welded more tightly, the injection molding edge 20 is welded at the upper port of the first sheet 16 and the second sheet 18, the combination of a sheet process and an injection molding process can be realized through stamping injection molding of the first sheet 16 and the second sheet 18 which are cut and reduced, the defects of the traditional sheet plastic suction molding and injection molding are overcome, the cost performance is higher, the weather resistance and the bearing performance are better, the printing is convenient, the aesthetic effect is improved, the first sheet 16 and the second sheet 18 can be cut and molded by two sheets with different thicknesses according to different requirements, the problem of traditional injection moulding packing carton wall thickness can not be seriously inconsistent is solved, and the packing carton is moulded plastics through the punching press to sheet one 16 and sheet two 18, can print trade mark and pattern on the sheet in advance, can realize double-colored collocation, improves the packing carton aesthetic feeling.

Further, the stamping and injection molding device comprises a driving device 1 and a backing plate 15, the left side of the surface of the backing plate 15 is fixedly provided with the driving device 1, a telescopic rod of the driving device 1 is fixedly provided with a push rod 2, the right side of a fixed plate 3 is fixedly connected with a connecting plate 4 through a bolt, through holes are respectively arranged between the fixed plate 3 and the connecting plate 4, the right side of the connecting plate 4 is fixedly provided with a sliding rod 9, the number of the sliding rods 9 is four, the four sliding rods 9 are arranged in a rectangular array mode, the structures on the four sliding rods 9 are the same, an injection molding device is arranged on each sliding rod 9 and comprises a sliding block 5, each sliding block 5 is in sliding connection among the four sliding rods 9, the left side of each sliding block 5 is fixedly connected with the push rod 2 through threads, the surface of each sliding rod 9 is fixedly provided with a stamping die 6, and the stamping die 6 is in a concave shape, the stamping die 6 is matched with a packing box, a push rod 24 is fixedly arranged on the right side of the sliding block 5, the push rod 24 penetrates through the stamping die 6, a spring 23 is fixedly arranged between the stamping die 6 and the sliding block 5, the spring 23 is movably sleeved on the surface of the push rod 24, when the injection-molded packing box needs to be separated, the telescopic rod is controlled by the driving device 1 to contract towards the left side, the fixed plate 3 and the connecting plate 4 are further driven to move towards the left side, the sliding rod 9 is further driven by the connecting plate 4 to move towards the left side, the stamping die 6 is further driven to move towards the left side, the sliding block 5 is driven by the stamping die 6 to move towards the left side, the push rod 2 is further driven to move towards the left side, when the left side of the push rod 2 is contacted with the right side of the driving device 1, the telescopic rod continues to drive the device to move towards the left side, the push rod 2 is further driven to move towards the right side, and the sliding block 5 is driven to move towards the right side, the compression spring 23, and then the push rod 24 slides out from the right side of the stamping die 6, and then the packaging box which is injection molded inside the stamping die 6 is ejected, and then the packaging box is separated from the inside of the stamping die 6, when the packaging box is removed, the driving device 1 controls the telescopic rod to reset, the spring 23 is reset under the action of elastic force, and further injection molding work can be performed again, so that the work efficiency is improved, and the removal molding is more stable, the right side of the stamping die 6 is fixedly provided with the fixed clamping plates 22, the number of the fixed clamping plates 22 is four, the four fixed clamping plates 22 are arranged in a circumferential array manner, the sheet I16 and the sheet II 18 can be clamped in the middle of the four fixed clamping plates 22, the phenomenon that the sheet I16 and the sheet II 18 fall off is avoided, the stability of the device is improved, the phenomenon that the device runs empty due to fall off is avoided, the fixed baffle 8 is fixedly installed on the surface on the right side of the backing plate 15, the slide rod 9 penetrates through the fixed baffle 8, the injection mold 7 is fixedly installed on the left side of the fixed baffle 8, the injection mold 7 is in a convex shape, the injection mold 7 is matched with the stamping mold 6, the slide rod 9 penetrates through the injection mold 7, when stamping injection molding needs to be carried out on the first sheet 16 and the second sheet 18, the centers of the first sheet 16 and the second sheet 18 are overlapped, the first sheet 16 and the second sheet 18 are in a cross shape, the bottoms of the first sheet 16 and the second sheet 18 are welded together through ultrasonic welding, then the telescopic rod is controlled to be in an initial state through the driving device 1, the left side of the push rod 2 is contacted with the right side of the driving device 1, the stamping mold 6 is separated from the injection mold 7, the first sheet 16 and the second sheet 18 are placed on the right side of the stamping mold 6, the first sheet 16 and the second sheet 18 are clamped into the middles of the four fixed clamping plates 22, and the bottoms of the first sheet 16 and the second sheet 18 are overlapped with the groove position of the stamping mold 6, when the driving device 1 controls the telescopic rod to extend out towards the right side, the injection mold device is further driven to move towards the right side, and the stamping mold 6 is further driven to move towards the right side, so that the left side of the injection mold 7 is in contact with the middle of the sheet I16 and the sheet II 18, and further the sheet I16 and the sheet II 18 can be stamped to qualitatively form a packaging box model, the rapid forming is realized, the production efficiency is improved, a fusion groove 25 is arranged between the injection mold 7 and the stamping mold 6, the fusion groove 25 is matched with the packaging box, an injection channel 21 is arranged inside the injection mold 7, a discharge port of the injection channel 21 is matched with the joint of the sheet I16 and the sheet II 18, the injection welding speed can be improved, an injection fusion device is arranged on the right side of the fixed baffle plate 8, the injection fusion device comprises an injection molding material pipe 13, and a discharge port of the injection material pipe 13 is communicated with a discharge port of the injection channel 21, the surface of the injection molding pipe 13 is provided with a heating module 10, the heating module 10 can melt granular PP materials in the injection molding pipe 13 into liquid, the upper end of the left side of the injection molding pipe 13 is provided with a feed inlet 11, the granular PP materials flow into the injection molding pipe 13 from the feed inlet 11, the injection molding pipe 13 is rotatably connected with a rotating rod 12, the surface of the rotating rod 12 is fixedly provided with a spiral fan blade 14, the rotating rod 12 is controlled to rotate by a control system, when the injection molding of the injection molded packaging box is needed, firstly, the granular PP materials are added into the feed inlet 11 and flow into the injection molding pipe 13, the rotating rod 12 is controlled to rotate by a control device, then the spiral fan blade 14 rotates, the granular PP materials are melted into liquid by the heating module 10, and the liquid PP materials are driven by the spiral fan blade 14 to flow into the injection molding channel 21 from the left side of the injection molding pipe 13 through high temperature and high pressure, and then flows into the joint of the first sheet material 16 and the second sheet material 18 through a discharge port of the injection molding channel 21, and then the first sheet material 16 and the second sheet material 18 are welded, so that the stamping and the injection molding of the packaging box are completed.

The working principle is as follows: when the PP plastic box sheet stamping and injection molding device needs to be produced, a first sheet 16 and a second sheet 18 are cut into a rectangular shape through a cutting device, the centers of the first sheet 16 and the second sheet 18 are overlapped, the first sheet 16 and the second sheet 18 are in a cross shape, the bottoms of the first sheet 16 and the second sheet 18 are welded together through ultrasonic welding, then a driving device 1 is used for controlling an expansion link to be in an initial state, the left side of a push rod 2 is in contact with the right side of the driving device 1, a stamping die 6 is separated from an injection die 7, then the first sheet 16 and the second sheet 18 are placed on the right side of the stamping die 6, the first sheet 16 and the second sheet 18 are clamped into the middle of four fixed clamping plates 22, the bottoms of the first sheet 16 and the second sheet 18 are overlapped with the groove position of the stamping die 6, when the driving device 1 controls the expansion link to extend towards the right side, the injection die device is driven to move towards the right side, and then the stamping die 6 is driven to move towards the right side, so that the left side of the injection die 7 is contacted with the middle of the first sheet 16 and the second sheet 18, and then the first sheet 16 and the second sheet 18 can be stamped to qualitatively form a packaging box pattern, and the packaging box is rapidly formed, when the stamping formed packaging box needs to be subjected to injection molding, firstly, granular PP materials are added into the feed inlet 11 and flow into the injection molding material pipe 13, the control device controls the rotating rod 12 to rotate, and then the spiral fan blades 14 are driven to rotate, the granular PP materials are melted into liquid through the heating module 10, the liquid PP materials are driven by the spiral fan blades 14 to flow into the injection molding channel 21 from the left side of the injection molding material pipe 13 through high temperature and high pressure, and then flow into the connecting part of the first sheet 16 and the second sheet 18 through the discharge port of the injection molding channel 21, and then the first sheet 16 and the second sheet 18 are welded, when the injection-molded packing box needs to be separated, the telescopic rod is controlled by the driving device 1 to contract towards the left side, so that the fixed plate 3 and the connecting plate 4 are driven to move towards the left side, the sliding rod 9 is driven by the connecting plate 4 to move towards the left side, the stamping die 6 is driven to move towards the left side, the sliding block 5 is driven by the stamping die 6 to move towards the left side, so that the push rod 2 moves towards the left side, when the left side of the push rod 2 is contacted with the right side of the driving device 1, the telescopic rod continues to drive the device to move towards the left side, so that the push rod 2 moves towards the right side, the sliding block 5 is driven to move towards the right side, the spring 23 is compressed, the push rod 24 slides out from the right side of the stamping die 6, so that the injection-molded packing box inside the stamping die 6 is ejected, and the packing box is separated from the inside of the stamping die 6, when the packing carton is accomplished to take off the moulding, drive arrangement 1 control telescopic link resets, and spring 23 resets under the effect of elasticity effect likewise, and then can mould plastics the work once more.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PP material plastic case sheet punching press device of moulding plastics, includes sheet one (16), sheet two (18) and punching press device of moulding plastics, its characterized in that: a through hole (17) is formed in the middle of the second sheet (18), the central points of the first sheet (16) and the second sheet (18) are overlapped together and rotated to form a cross shape, the first sheet (16) and the second sheet (18) are welded through an injection molding strip (19), and injection molding edges (20) are welded at the upper ports of the first sheet (16) and the second sheet (18);

the stamping and injection molding device comprises a driving device (1) and a base plate (15), wherein the driving device (1) is fixedly installed on the left side of the surface of the base plate (15), a push rod (2) is fixedly installed on a telescopic rod of the driving device (1), the right side of a fixing plate (3) is fixedly connected with a connecting plate (4) through a bolt, a sliding rod (9) is fixedly installed on the right side of the connecting plate (4), an injection molding device is arranged on the sliding rod (9), the injection molding device comprises a sliding block (5), the sliding block (5) is slidably connected among the four sliding rods (9), the push rod (2) is fixedly connected with the left side of the sliding block (5) through threads, a stamping die (6) is fixedly installed on the surface of the sliding rod (9), a push rod (24) is fixedly installed on the right side of the sliding block (5), and a spring (23) is fixedly installed between the stamping die (6) and the sliding block (5);

the right side fixed mounting of stamping die (6) has fixed cardboard (22), and fixed surface on backing plate (15) right side installs fixed stop (8), and slide bar (9) run through fixed stop (8), and the left side fixed mounting of fixed stop (8) has injection mold (7), and the right side of fixed stop (8) is provided with moulds plastics and fuses the device.

2. The device of claim 1, wherein the device comprises: the first sheet material (16) and the second sheet material (18) are plastic sheet materials made of PP materials, the first sheet material (16) and the second sheet material (18) are cut into rectangular shapes through a cutting device, and the width of the injection molding strip (19) is 1-3 cm.

3. The device of claim 1, wherein the device comprises: all seted up the through-hole between fixed plate (3) and connecting plate (4), the quantity of slide bar (9) is four, and four slide bar (9) are the mode setting of rectangle array, and the structure on four slide bar (9) is the same.

4. The device of claim 1, wherein the device comprises: the shape of stamping die (6) is the character cut in bas-relief, stamping die (6) and packing carton phase-match, and stamping die (6) are run through in push rod (24), and spring (23) cup joint in the surface activity of push rod (24).

5. The device of claim 1, wherein the device comprises: the number of the fixed clamping plates (22) is four, the four fixed clamping plates (22) are arranged in a circumferential array mode, and the first sheet (16) and the second sheet (18) can be clamped in the middles of the four fixed clamping plates (22).

6. The device of claim 1, wherein the device comprises: the middle of the injection mold (7) and the middle of the stamping mold (6) are provided with a fusion groove (25), the fusion groove (25) is matched with the packaging box, an injection molding channel (21) is arranged inside the injection mold (7), and a discharge hole of the injection molding channel (21) is matched with the connection part of the first sheet (16) and the second sheet (18).

7. The device of claim 1, wherein the device comprises: the device is fused including moulding plastics pipe (13), and the discharge gate of moulding plastics material pipe (13) is linked together with the discharge gate of moulding plastics passageway (21), and the surface of moulding plastics pipe (13) is provided with heating module (10), and the left upper end of moulding plastics material pipe (13) is provided with feed inlet (11), and the internal rotation of moulding plastics material pipe (13) is connected with dwang (12), and the fixed surface of dwang (12) installs helical fan blade (14), and dwang (12) are rotated through control system control.