CN113772322B

CN113772322B - High-performance modified plastic product forming device and preparation method thereof

Info

Publication number: CN113772322B
Application number: CN202110854041.7A
Authority: CN
Inventors: 蔡光辉
Original assignee: Zhangzhou Xiangcheng Xinhui Plastic Co ltd
Current assignee: Zhangzhou Xiangcheng Xinhui Plastic Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2023-10-10
Anticipated expiration: 2041-07-28
Also published as: CN113772322A

Abstract

The invention provides a high-performance modified plastic product forming device, which comprises a forming die for forming a turnover box, an injection molding device for injecting molten plastic into the forming die, and a conveying and collecting device for conveying and collecting the formed turnover box; the conveying and collecting device comprises a material conveying belt for conveying the turnover boxes and a stacking device for stacking the turnover boxes; according to the invention, through automatic stacking of the turnover boxes, the automation degree is improved, and the labor cost is reduced. The invention also provides a preparation method of the high-performance modified plastic product.

Description

High-performance modified plastic product forming device and preparation method thereof

Technical Field

The invention relates to the technical field of plastic product molding, in particular to a high-performance modified plastic product molding device and a preparation method thereof.

Background

The turnover box, also called a logistics box, is widely used in industries such as machinery, automobiles, household appliances, light industry, electronics and the like, can resist acid, alkali and oil stain, is nontoxic and odorless, can be used for containing food and the like, is clean and convenient, has convenient and quick part turnover, is orderly stacked, and is convenient to manage. The device is reasonable in design, good in quality and suitable for links of transportation, distribution, storage, circulation processing and the like in factory logistics.

After the turnover box is formed, the turnover box needs to be transported and stacked, the follow-up storage and transportation of the turnover box are convenient to tidily and conveniently, the turnover box is stacked manually in the prior art, the automation degree is not high, and the labor cost is increased.

In view of this, the present inventors have conducted intensive studies on the above problems, and have produced the present invention.

Disclosure of Invention

An object of the present invention is to provide a high-performance modified plastic product forming device, so as to solve the problems of low automation degree and increased labor cost of manual stacking in the background art.

According to the preparation method of the high-performance modified plastic product, molten plastic is injected into a forming die through an injection molding device, the molten plastic is output and stacked one by one through a conveying and collecting device after cooling forming, the turnover boxes are moved to the position above a material conveying belt through a second movable driving device and are demoulded, the turnover boxes are conveyed to a grabbing station of a stacking device through the material conveying belt, a grabbing device is driven to descend by a first lifting driving device to grab the turnover boxes, after ascending, the turnover boxes are driven to move to the position above a turnover table by the grabbing device by the first movable driving device, descending and are placed on the turnover table, circulation operation is conducted, the turnover boxes are stacked one by one, and subsequent transportation and storage of the stacked turnover boxes are facilitated.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

a high-performance modified plastic product forming device comprises a forming die for forming a turnover box, an injection molding device for injecting molten plastic into the forming die, and a conveying and collecting device for conveying and collecting the formed turnover box; the conveying and collecting device comprises a material conveying belt for conveying the turnover boxes and a stacking device for stacking the turnover boxes;

the stacking device comprises a turnover table for placing the turnover box, a grabbing device for grabbing the turnover box, a first lifting driving device for driving the grabbing device to lift, and a first moving driving device for driving the grabbing device to move between the turnover table and the material conveying belt; the material conveyer belt has feed end and discharge end, the turnover platform is in one side of material conveyer belt discharge end.

Further, the grabbing device comprises a first grabbing mechanism grabbing one side of the turnover box, a second grabbing mechanism grabbing the other side of the turnover box, and a first opening and closing driving device driving the first grabbing mechanism and the second grabbing mechanism to open and close.

Further, the first grabbing mechanism comprises a first bearing plate which is supported at the lower end of the upper edge of the turnover box and a first lifting mechanism which drives the first bearing plate to lift; the first lifting mechanism comprises a first mounting block, a second mounting block, a first screw rod, a first auxiliary rod and a first lifting motor, one end of the first screw rod penetrates through the first bearing plate and is rotationally connected to the second mounting block, the other end of the first screw rod penetrates through the first mounting block and is connected with the output end of the first lifting motor, one end of the first auxiliary rod penetrates through the first bearing plate and is connected to the second mounting block, and the other end of the first auxiliary rod is connected to the first mounting block;

The second grabbing mechanism comprises a second bearing plate and a second lifting mechanism, the second bearing plate is supported at the lower end of the upper edge of the turnover box, and the second lifting mechanism drives the second bearing plate to lift; the second lifting mechanism comprises a third mounting block, a fourth mounting block, a second screw rod, a second auxiliary rod and a second lifting motor, one end of the second screw rod penetrates through the second bearing plate and is rotationally connected to the fourth mounting block, the other end of the second screw rod penetrates through the third mounting block and is connected with the output end of the second lifting motor, one end of the second auxiliary rod penetrates through the second bearing plate and is connected to the fourth mounting block, and the other end of the second auxiliary rod is connected to the third mounting block.

Further, a plurality of first accommodating grooves are formed in the upper surface of the first receiving plate, and each first accommodating groove is internally provided with a first clamping protrusion which is clamped in a groove on one side of the upper edge of the turnover box and a first clamping driving mechanism which drives the first clamping protrusion to stretch out and draw back in the first accommodating groove; the upper surface of the second receiving plate forms a plurality of second holding grooves, and each second holding groove is internally provided with a second clamping bulge which is clamped in a groove on the other side of the upper edge of the turnover box and a second clamping driving mechanism for driving the second clamping bulge to stretch out and draw back in the second holding groove.

Further, the forming die comprises a movable die, a fixed die, a second lifting driving device for driving the movable die to be clamped to the fixed die, and a second moving driving device for driving the movable die to move between the fixed die and the material conveying belt; the upper surface of the fixed die forms a forming groove for accommodating the movable die, and a forming cavity for forming the turnover box after the movable die and the fixed die are clamped.

Further, the injection molding device comprises an injection molding barrel, a screw rod arranged in the injection molding barrel and used for outputting raw materials, an injection molding motor used for driving the screw rod to rotate, and a feed hopper used for feeding the injection molding barrel.

Further, the device also comprises a separating device for separating the stacked turnover boxes one by one; the separating device comprises a force application device for applying force to each adjacent turnover box, a third lifting driving device for driving the force application device to lift and a third moving driving device for driving the force application device to move.

Further, the force application device comprises a first separation mechanism for separating one side of each adjacent turnover box, a second separation mechanism for separating the other side of each adjacent turnover box, and a second opening and closing driving device for driving the first separation mechanism and the second separation mechanism to open and close.

Further, the first separating mechanism comprises a first upper separating part contacted with the lower end of the upper edge of the upper turnover box, a first lower separating part contacted with the upper end of the upper edge of the lower turnover box, and a first separating driving device for driving the first upper separating part to rise and driving the first lower separating part to fall;

the first separation driving device comprises a first gear, a second gear and a third gear which are meshed with each other, a first separation motor for driving the first gear to rotate, a third screw rod connected with the second gear, a fourth screw rod connected with the third gear, a first upper sliding rail for guiding the first upper separation part, and a first lower sliding rail for guiding the first lower separation part; one end of the first upper separation part is provided with a first upper sliding groove, the first upper separation part is in sliding connection with the first upper sliding rail through the first upper sliding groove, one end of the first lower separation part is provided with a first lower sliding groove, the first lower separation part is in sliding connection with the first lower sliding rail through the first lower sliding groove, the third screw rod passes through the first upper separation part and is in rotary connection with the first upper separation part, the fourth screw rod passes through the first lower separation part and is in rotary connection with the first lower separation part, and the external threads of the third screw rod and the external threads of the fourth screw rod have the same rotation direction;

The second separation mechanism comprises a second upper separation part which is contacted with the lower end of the upper edge of the upper turnover box, a second lower separation part which is contacted with the lower end of the upper edge of the lower turnover box, and a second separation driving device which drives the second upper separation part to rise and drives the second lower separation part to fall;

the second separation driving device comprises a fourth gear, a fifth gear and a sixth gear which are meshed with each other, a second separation motor for driving the fourth gear to rotate, a fifth screw rod connected with the fifth gear, a sixth screw rod connected with the sixth gear, a second upper sliding rail for guiding the second upper separation part, and a second lower sliding rail for guiding the second lower separation part; the one end of second upper separation portion has the second and goes up the spout, second upper separation portion goes up spout and second and goes up slide rail sliding connection through the second, the one end of second lower separation portion has the second lower spout, second lower separation portion passes through second lower spout and second lower slide rail sliding connection, the fifth lead screw passes second upper separation portion and rotates with second upper separation portion to be connected, the sixth lead screw passes second lower separation portion and rotates with second lower separation portion to be connected, the external screw thread of fifth lead screw is the same with the external screw thread of sixth lead screw.

A preparation method of a high-performance modified plastic product comprises the following steps:

(1) The injection molding device injects molten plastics into a molding die;

(2) Cooling and molding the molten plastic in the molding die to form a turnover box;

(3) Opening a forming die, taking out the turnover boxes, and outputting and stacking the turnover boxes one by one through a conveying and collecting device;

in the step (1), the forming die comprises a movable die, a fixed die, a second lifting driving device for driving the movable die to be clamped to the fixed die, and a second moving driving device for driving the movable die to move between the fixed die and the material conveying belt; the upper surface of the fixed die is provided with a forming groove for accommodating the movable die, the second lifting driving device drives the movable die to descend into the forming groove, and a forming cavity for forming the turnover box is formed after the movable die and the fixed die are clamped;

in step (3), the turnover box is moved to the upper side of the material conveying belt through the second movable driving device and is demoulded, the material conveying belt conveys the turnover box to the grabbing station of the stacking device, the grabbing device is driven by the first lifting driving device to descend so that the grabbing device grabs the turnover box, after ascending, the grabbing device is driven by the first movable driving device to move to the upper side of the turnover table, the turnover box is descended and placed on the turnover table, the turnover box is circularly operated, the turnover boxes are stacked one by one, and the subsequent transportation and storage of the stacked turnover boxes are facilitated.

After the structure is adopted, the high-performance modified plastic product forming device has the following beneficial effects:

1. the injection molding device injects molten plastics into a molding die, the molding die is cooled and molded, then the molding die is demolded, the turnover boxes are conveyed to a grabbing station on a material conveying belt, the grabbing device is driven by the first lifting driving device to descend so as to grab the turnover boxes, after ascending, the grabbing device is driven by the first moving driving device to move to the upper part of the turnover table, the turnover boxes are lowered and placed on the turnover table, the circulation operation is carried out, the turnover boxes are stacked one by one, and the subsequent transportation and storage of the stacked turnover boxes are facilitated; according to the invention, through automatic stacking of the turnover boxes, the automation degree is improved, and the labor cost is reduced.

2. The first grabbing mechanism and the second grabbing mechanism are driven to open towards two sides through the first opening and closing driving device, the first opening and closing driving device drives the first grabbing mechanism and the second grabbing mechanism to close after moving to the preset position, two sides of the turnover box are clamped, and the purpose of grabbing the turnover box stably is achieved.

3. The first lifting driving device controls the grabbing device to displace greatly in the vertical direction, the first lifting mechanism controls the first bearing plate to displace slightly in the vertical direction, the second lifting mechanism controls the second bearing plate to displace slightly in the vertical direction, and the first bearing plate is controlled by the first lifting mechanism, and the second bearing plate is controlled by the second lifting mechanism to move to a proper position to bear the lower end of the upper edge of the turnover box.

4. When first joint board and second are accepted the board and are stretched to the turnover case and go up border lower extreme, first joint protruding upward movement that sets up in the first holding tank of first joint actuating mechanism drive, the protruding upward movement of second joint that sets up in the second holding tank of second joint actuating mechanism drive, make first joint protruding and the protruding joint of second joint in the recess of turnover case border, make snatch the turnover case more stable, can not appear rocking the problem that drops, simultaneously after stacking the turnover case, first joint protruding and the protruding downward movement of second joint are to corresponding holding tank in, make first joint board and second hold the board and do not have the hindrance at the in-process of outside removal, need not to move first joint board and second and hold the protruding recess that stretches out on the turnover case of first joint board and second joint, first joint board and second are accepted the board and bump with the turnover case on the border down in the in-process of moving, the smooth process of stacking is stable.

The invention also provides a preparation method of the high-performance modified plastic product, the molten plastic is injected into a forming die through an injection molding device, the transfer boxes are output one by one and stacked through a conveying and collecting device after cooling forming, the transfer boxes are moved to the upper part of a material conveying belt through a second movable driving device and are demoulded, the material conveying belt conveys the transfer boxes to a grabbing station of a stacking device, a first lifting driving device drives the grabbing device to descend so that the grabbing device grabs the transfer boxes, after ascending, the grabbing device is driven by the first movable driving device to move to the upper part of a transfer table, the transfer boxes are descended and placed on the transfer table, circulation operation is carried out, the transfer boxes are stacked one by one, and subsequent transfer and storage of the stacked transfer boxes are facilitated.

Drawings

FIG. 1 is a schematic side view of a molding apparatus for high performance modified plastic products according to the present invention;

FIG. 2 is a schematic view of the partial enlarged structure of FIG. 1 at A;

FIG. 3 is a schematic elevational view of the separating apparatus of the present invention;

FIG. 4 is a schematic view of the partial enlarged structure of FIG. 3 at B;

FIG. 5 is a schematic perspective view of a separation device;

FIG. 6 is a schematic view of the partial enlarged structure of FIG. 5 at C;

FIG. 7 is a schematic perspective view showing a molding apparatus for a high-performance modified plastic product according to the present invention;

FIG. 8 is a schematic cross-sectional view of an injection molded tube of the present invention;

FIG. 9 is a schematic cross-sectional view of an injection head of the present invention;

fig. 10 is a schematic perspective view of an injection molding head according to the present invention.

In the figure: the molding die 1, the injection molding apparatus 2, the conveying and collecting apparatus 3, the material conveying belt 31, the stacking apparatus 32, the turnover table 33, the gripping apparatus 34, the first lift driving apparatus 35, the first movement driving apparatus 36, the first gripping mechanism 37, the second gripping mechanism 38, the first open-close driving apparatus 39, the first joint plate 371, the first lift mechanism 372, the first mounting block 3721, the second mounting block 3722, the first lead screw 3723, the first lift motor 3724, the second joint plate 381, the second lift mechanism 382, the first clamping protrusion 373, the second clamping protrusion 383, the movable die 11, the fixed die 12, the second lift driving apparatus 13, the second movement driving apparatus 14, the first side wall 111, the second side wall 112, the expansion block 113, the injection molding cylinder 21, the injection molding motor 22, the feed hopper 23, the injection molding pipe 24, the injection molding head 25, the injection molding hole 251, the closing mechanism 26, the mounting shaft 261, the closing member 262, the 263, the elastic sealing member 27, the elastic movable opening 271, the backflow prevention mechanism 28, the first connecting block 281, the second connecting block 283, the second connecting block 282, the elastic closing member 282, the first separation gear wheel mechanism 441, the first separation gear wheel mechanism 4432, the second separation gear wheel mechanism 4433, the first separation apparatus 4432, the second separation apparatus 4435, the second separation apparatus 4432, the first separation apparatus 4435, the second separation apparatus 4432, the third separation apparatus 44, the first separation apparatus 44, the second separation apparatus 45, the third separation apparatus 44, the first separation apparatus 44, the second separation apparatus 45, the third separation apparatus 44, the first separation apparatus 45, the second separation apparatus fourth.

Detailed Description

In order to further explain the technical scheme of the invention, the following is explained in detail through specific examples.

As shown in fig. 1 to 10, a high-performance modified plastic product forming device of the present invention comprises a forming die 1 for forming a turn-around box 5, an injection device 2 for injecting molten plastic into the forming die 1, and a conveying and collecting device 3 for conveying and collecting the formed turn-around box 5; the conveying and collecting device 3 comprises a material conveying belt 31 for conveying the turnover boxes 5 and a stacking device 32 for stacking the turnover boxes 5;

the stacking device 32 comprises a turnover table 33 for placing the turnover box 5, a grabbing device 34 for grabbing the turnover box 5, a first lifting driving device 35 for driving the grabbing device 34 to lift, and a first moving driving device 36 for driving the grabbing device 34 to move between the turnover table 33 and the material conveying belt 31; the material conveyer belt 31 has a feeding end and a discharging end, and the turnover table 33 is located at one side of the discharging end of the material conveyer belt 31.

In this way, the injection molding device 2 injects molten plastics into the molding die 1, the molding die 1 is cooled and molded, then the molding die is demolded, the turnover boxes 5 are conveyed to a grabbing station on the material conveying belt 31, the grabbing device 34 is driven by the first lifting driving device 35 to descend so that the turnover boxes 5 are grabbed by the grabbing device 34, after ascending, the turnover boxes 5 are lowered and placed on the turnover table 33 by the grabbing device 34 driven by the first moving driving device 36, the turnover boxes 5 are circularly operated, the turnover boxes 5 are stacked one by one, and the subsequent transportation and storage of the stacked turnover boxes 5 are facilitated; according to the invention, through automatically stacking the turnover boxes 5, the degree of automation is improved, and the labor cost is reduced; specifically, the first lift driving device 35 and the first movement driving device 36 are both cylinder-driven.

Preferably, the gripping device 34 includes a first gripping mechanism 37 for gripping one side of the turnover box 5, a second gripping mechanism 38 for gripping the other side of the turnover box 5, and a first opening and closing driving device 39 for driving the first gripping mechanism 37 and the second gripping mechanism 38 to open and close. The first grabbing mechanism 37 and the second grabbing mechanism 38 are driven to open towards two sides through the first opening and closing driving device 39, the first opening and closing driving device 39 drives the first grabbing mechanism 37 and the second grabbing mechanism 38 to close after moving to a preset position, two sides of the turnover box 5 are clamped, and the purpose of stably grabbing the turnover box 5 is achieved; specifically, the first opening and closing driving device 39 is a bidirectional opening and closing cylinder.

Preferably, the first grabbing mechanism 37 includes a first receiving plate 371 received on the lower end of the upper edge of the turnover box 5, and a first lifting mechanism 372 for driving the first receiving plate 371 to lift; the first lifting mechanism 372 comprises a first mounting block 3721, a second mounting block 3722, a first screw rod 3723, a first auxiliary rod and a first lifting motor 3724, one end of the first screw rod 3723 penetrates through the first bearing plate 371 and is connected to the second mounting block 3722 in a rotating mode, the other end of the first screw rod 3723 penetrates through the first mounting block 3721 and is connected to the output end of the first lifting motor 3724, and one end of the first auxiliary rod penetrates through the first bearing plate 371 and is connected to the second mounting block 3722, and the other end of the first auxiliary rod is connected to the first mounting block 3721;

The second grabbing mechanism 38 includes a second receiving plate 381 received at the lower end of the upper edge of the turnover box 5, and a second lifting mechanism 382 for driving the second receiving plate 381 to lift; the second lifting mechanism 382 comprises a third mounting block, a fourth mounting block, a second screw rod, a second auxiliary rod and a second lifting motor, one end of the second screw rod penetrates through the second bearing plate 381 and is connected to the fourth mounting block in a rotating mode, the other end of the second screw rod penetrates through the third mounting block and is connected to the output end of the second lifting motor, one end of the second auxiliary rod penetrates through the second bearing plate 381 and is connected to the fourth mounting block, and the other end of the second auxiliary rod is connected to the third mounting block.

The first lifting driving device 35 controls the larger displacement of the grabbing device 34 in the vertical direction, the first lifting mechanism 372 controls the smaller displacement of the first receiving plate 371 in the vertical direction, the second lifting mechanism 382 controls the smaller displacement of the second receiving plate 381 in the vertical direction, so that the first receiving plate 371 is controlled by the first lifting mechanism 372, and the second receiving plate 381 is controlled by the second lifting mechanism 382 to be further accommodated and moved to a proper position to receive the lower end of the upper edge of the turnover box 5; the first screw 3723 is driven to rotate by the first lifting motor 3724, the first screw 3723 rotates to drive the first receiving plate 371 to move up and down, the second screw is driven to rotate by the second lifting motor, and the second screw drives the second receiving plate 381 to move up and down.

Preferably, the upper surface of the first receiving plate 371 forms a plurality of first receiving grooves, each first receiving groove is provided with a first clamping protrusion 373 clamped in the groove 51 on one side of the upper edge of the turnover box 5, and a first clamping driving mechanism for driving the first clamping protrusion 373 to stretch in the first receiving groove; the upper surface of the second receiving plate 381 forms a plurality of second receiving grooves, and each second receiving groove is internally provided with a second clamping protrusion 383 which is clamped in the groove 51 on the other side of the upper edge of the turnover box 5, and a second clamping driving mechanism for driving the second clamping protrusion 383 to stretch out and draw back in the second receiving groove. When the first receiving plate 371 and the second receiving plate 381 extend to the lower end of the upper edge of the turnover box 5, the first clamping driving mechanism drives the first clamping protrusion 373 arranged in the first accommodating groove to move upwards, the second clamping driving mechanism drives the second clamping protrusion 383 arranged in the second accommodating groove to move upwards, so that the first clamping protrusion 373 and the second clamping protrusion 383 are clamped in the groove 51 on the upper edge of the turnover box 5, the grabbing turnover box 5 is more stable, the problem of shaking and falling does not occur, meanwhile, after the turnover box 5 is stacked, the first clamping protrusion 373 and the second clamping protrusion 383 move downwards into the corresponding accommodating groove, the first receiving plate 371 and the second receiving plate 381 do not need to be blocked in the outward moving process, the first receiving plate 371 and the second receiving plate 381 do not need to move downwards, the first clamping protrusion 373 and the second clamping protrusion 383 extend out of the groove 51 on the upper edge of the turnover box 5, and the turnover box 371 and the downward moving process of the turnover box 5 are prevented from being stably stacked; the first clamping driving mechanism and the second clamping driving mechanism are driven by an air cylinder.

Preferably, the forming die 1 comprises a movable die 11, a fixed die 12, a second lifting driving device 13 for driving the movable die 11 to be clamped to the fixed die 12, and a second moving driving device 14 for driving the movable die 11 to move between the fixed die 12 and the material conveying belt 31; the upper surface of the fixed die 12 forms a forming groove for accommodating the movable die 11, and the movable die 11 and the fixed die 12 are clamped to form a forming cavity for forming the turnover box 5.

The movable mold 11 includes a first side wall 111, a second side wall 112, a third side wall and a fourth side wall which are adjacently arranged in sequence, and a bottom wall connected between the first side wall 111, the second side wall 112, the third side wall and the fourth side wall; the outer side walls of the first side wall 111, the second side wall 112, the third side wall and the fourth side wall are respectively formed with a plurality of accommodating grooves in matrix arrangement, and each accommodating groove is internally provided with a telescopic block 113 for changing the shape of the turnover box 5 and a first telescopic driving device for driving the telescopic block 113 to stretch in the accommodating groove.

After the movable mold 11 and the fixed mold 12 are assembled, forming a molding cavity for molding the turnover box 5, arranging telescopic blocks 113 arranged in a matrix in the first side wall 111, the second side wall 112, the third side wall and the fourth side wall accommodating groove, moving towards the inner wall of the fixed mold 12 under the drive of the first telescopic driving device, attaching the telescopic blocks 113 to the corresponding inner wall of the fixed mold 12, enabling molten plastics to be injected into the molding cavity, enabling the telescopic blocks 113 attached between the outer wall of the movable mold 11 and the inner wall of the fixed mold 12 to be holes in the turnover box 5 after the molten plastics are cooled and molded, controlling the number of attached telescopic blocks 113 and the inner wall of the fixed mold 12, and controlling the arrangement and distribution of the holes of the side wall of the turnover box 5 after molding, wherein when holes are not needed in the turnover box 5, the telescopic blocks 113 are positioned in the accommodating groove and are flush with the outer side wall of the movable mold 11, so that the molded turnover box 5 does not have any holes; the turnover box 5 with various holes in different arrangements and distribution can be formed by using one set of movable mould 11 and fixed mould 12, and the turnover box 5 without any holes is not required, a plurality of sets of moulds are not required to be manufactured to adapt to various turnover boxes 5, the applicability is wide, the mould opening cost is greatly saved, and the space for placing a plurality of sets of equipment is saved; meanwhile, after the telescopic blocks 113 move into the accommodating grooves, the telescopic blocks are moved out of the holes formed in the side wall of the turnover box 5, so that the resistance of demolding of the turnover box 5 is small, and the demolding efficiency is improved; specifically, the outer peripheral surface of the telescopic block 113 is attached to the inner wall of the accommodating groove, the thickness dimension of the telescopic block 113 is equal to the depth dimension of the accommodating groove, when the telescopic block 113 is completely positioned in the accommodating groove, the telescopic block 113 is level with the outer side wall of the side wall, and the first telescopic driving device is driven by an air cylinder; more specifically, a containing cavity for containing a bottom wall is formed among the first side wall 111, the second side wall 112, the third side wall and the fourth side wall, the bottom wall is arranged in the containing cavity and is attached to the inner side surface of each side wall and is in sliding connection with each inner side surface of the containing cavity, the container further comprises a lifting cylinder for driving the bottom wall to lift in the containing cavity, during forming, the lifting cylinder drives the bottom wall to move to a position flush with the bottom end of each side wall, after forming, the lifting cylinder drives the bottom wall to move downwards to prop against the turnover box 5, so that the turnover box 5 falls off, and demoulding efficiency is improved; specifically, the second lift driving device 13 and the second movement driving device 14 are cylinder-driven.

Preferably, the injection molding device 2 comprises an injection molding cylinder 21, a screw rod arranged in the injection molding cylinder 21 and used for outputting raw materials, an injection molding motor 22 used for driving the screw rod to rotate, and a feed hopper 23 used for feeding the raw materials into the injection molding cylinder 21. The discharge end of the injection molding cylinder 21 is provided with an injection molding pipe 24 extending into the feed hole of the fixed mold 12, the discharge end of the injection molding pipe 24 is provided with an injection molding head 25, a plurality of injection molding holes 251 axially arranged around the injection molding pipe 24 are formed in the surface of the injection molding head 25, the axial direction of the injection molding holes 251 is parallel to the discharge direction, the injection molding head 25 is of an internal hollow structure, and a closing mechanism 26 for closing the injection molding holes 251 is arranged in the injection molding head 25. When the residual materials in the feeding Kong Duoyu are broken in the feeding hole in the demolding process, the residual materials in the feeding hole are required to be cleaned later, the residual materials are troublesome, the residual materials are connected with the turnover box 5 after being cooled and molded, and the demolding resistance caused by the fact that the demolding direction is perpendicular to the feeding direction of the feeding hole reduces the smoothness of demolding; through setting up injection molding head 25 at the discharge end of injection molding pipe 24, the molten plastic of injection molding pipe 24 output exports the shaping intracavity through a plurality of injection molding holes 251 of injection molding head 25, after being full of molten plastic in the die cavity, through locating the closing mechanism 26 in injection molding head 25 with each injection molding hole 251 closure, the isolated shaping die cavity is with the intercommunication state of injection molding pipe 24, be favorable to improving the cooling shaping effect of shaping intracavity turnover case 5 this moment, stretch into the cover half 12 feed port with injection molding pipe 24, and the one end that injection molding head 25 is close to shaping die cavity and the inside wall parallel and level setting of cover half 12, save this unnecessary clout that is in cover half 12 feed port, the clout that is in the feed port because of the demolding resistance that the demolding direction is perpendicular brought when reducing turnover case 5 demolding, improve the smoothness of demolding, need not to excision to unnecessary clout after the demolding simultaneously, reduce the preparation process, reduce the cost of labor, raise the machining efficiency.

Preferably, the closing mechanism 26 includes a mounting shaft 261, a plurality of closing members 262 corresponding to the injection holes 251 one by one, and a first rotating motor driving the mounting shaft 261 to rotate; the sealing piece 262 is connected to the mounting shaft 261 through a connecting rod 263, a notch is formed on the inner wall of the injection molding hole 251, an elastic sealing piece 27 is arranged on the notch, and an elastic movable opening 271 for the sealing piece 262 to pass through is formed on the elastic sealing piece 27; starting a first rotating motor, wherein the first rotating motor drives a mounting shaft 261 to rotate anticlockwise, the mounting shaft 261 drives each sealing piece 262 to rotate anticlockwise, and the elastic movable opening 271 is opened to two sides and the injection molding hole 251 is sealed in the process that the sealing piece 262 passes through the elastic movable opening 271; the first rotating motor rotates clockwise, the mounting shaft 261 drives each of the closing members 262 to rotate clockwise, and after the closing members 262 return to the cavity inside the injection molding head 25, both sides of the elastic movable opening 271 recover the closed state. When the molding cavity is filled with molten plastic, the first rotating motor is started, the first rotating motor drives the mounting shaft 261 to rotate anticlockwise, the mounting shaft 261 drives each sealing piece 262 to rotate anticlockwise, and the elastic movable opening 271 is opened to two sides and the injection molding hole 251 is closed in the process that the sealing piece 262 passes through the elastic movable opening 271; the first rotating motor rotates clockwise, the mounting shaft 261 drives each of the closing members 262 to rotate clockwise, and after the closing members 262 return to the cavity inside the injection molding head 25, both sides of the elastic movable opening 271 recover the closed state. An elastically movable opening 271 through which the closing member 262 passes is formed in the elastic sealing member 27, so that the elastic sealing member 27 exerts a sealing effect both in the closed state and in the non-closed state of the closing member 262.

Preferably, a backflow prevention mechanism 28 for preventing the backflow of raw materials is further arranged in the injection pipe 24; the backflow prevention mechanism 28 includes a first connection block 281, a second connection block 282, a closing block 283, and an elastic connection member 284 connected between the second connection block 282 and the closing block 283; the first connecting block 281 is attached to the inner wall of the injection molding pipe 24, a first flow hole 2811 for the raw material to pass through is formed in the first connecting block 281, the second connecting block 282 is connected to one end of the injection molding head 25 far away from the molding cavity, the sealing block 283 is arranged at one end of the first connecting block 281 opposite to the injection molding head 25, and the diameter of the sealing block 283 is larger than that of the first flow hole 2811. The molten plastic in the injection pipe 24 is stabilized by the arranged backflow prevention mechanism 28, so that the injection molding effect is improved; specifically, the elastic connection 284 includes a first slide bar, a second slide bar, and a spring; the second slide bar is sleeved on the first slide bar and is in sliding connection with the first slide bar, the spring is arranged in the first slide bar and the second slide bar, one end of the spring abuts against the second connecting block 282, the other end of the spring abuts against the sealing block 283, and when the screw stops outputting raw materials, the spring recovers elasticity to push the sealing block 283 to seal the first flow hole 2811.

Preferably, the separating device 4 for separating the stacked turnover boxes 5 one by one is further included; after the turnover boxes 5 are stacked together, each adjacent turnover box 5 is clamped tightly after being stacked together due to gravity, so that when the turnover boxes are needed to be used subsequently, the turnover boxes are difficult to split, workers can separate the two adjacent turnover boxes 5 with great force, meanwhile, the turnover boxes are easy to rub and hurt along the edges of the turnover boxes 5, the stacked turnover boxes 5 are automatically separated through the separating device 4, the separating efficiency is improved, and the workload of the workers is reduced. The separating device 4 includes a biasing device 41 for biasing each adjacent turn-around case 5, a third lifting drive device 42 for driving the biasing device 41 to lift, and a third movement drive device 43 for driving the biasing device 41 to move. The third lifting driving device 42 moves downwards to a preset position by driving the force application device 41 to the position of the stacked turnover boxes 5 through the third moving driving device 43, the force application device 41 is used for splitting each adjacent turnover box 5, specifically, the third moving driving device 43 and the third lifting driving device 42 are driven by air cylinders, more specifically, in order to split the turnover boxes 5 more stably, the number of the force application devices 41 is two, force application is respectively carried out on two sides of the turnover boxes 5, and splitting stability is improved.

Preferably, the force applying device 41 includes a first separating mechanism 44 for separating one side of each adjacent turn-around box 5, a second separating mechanism 45 for separating the other side of each adjacent turn-around box 5, and a second opening/closing driving device 46 for driving the first separating mechanism 44 and the second separating mechanism 45 to open and close. The first separation mechanism 44 and the second separation mechanism 45 are driven to open and close by the second opening and closing driving device 46, the first separation mechanism 44 applies force between the two adjacent turnover boxes 5, the second separation mechanism 45 applies force between the two adjacent turnover boxes 5, and the acting forces on two sides are balanced, so that the turnover boxes 5 are easy to separate; specifically, the second opening and closing driving device 46 is a bidirectional opening and closing cylinder.

Preferably, the first separating mechanism 44 includes a first upper separating portion 441 contacting the lower end of the upper edge of the upper circulation box 5, a first lower separating portion 442 contacting the upper end of the upper edge of the lower circulation box 5, and a first separating driving device 443 driving the first upper separating portion 441 to rise and the first lower separating portion 442 to fall;

the first separating driving device 443 includes a first gear 4431, a second gear 4432 and a third gear 4433 which are meshed with each other, a first separating motor 4434 which drives the first gear 4431 to rotate, a third screw 4435 connected to the second gear 4432, a fourth screw 4436 connected to the third gear 4433, a first upper rail 4437 which guides the first upper separating portion 441, and a first lower rail which guides the first lower separating portion 442; one end of the first upper separation portion 441 has a first upper chute, the first upper separation portion 441 is slidably connected to the first upper slide rail 4437 through the first upper chute, one end of the first lower separation portion 442 has a first lower chute, the first lower separation portion 442 is slidably connected to the first lower slide rail through the first lower chute, the third screw rod 4435 passes through the first upper separation portion 441 and is rotatably connected to the first upper separation portion 441, the fourth screw rod 4436 passes through the first lower separation portion 442 and is rotatably connected to the first lower separation portion 442, and the external threads of the third screw rod 4435 and the external threads of the fourth screw rod 4436 have the same rotation direction;

The second separating mechanism 45 comprises a second upper separating part 451 contacting with the lower end of the upper edge of the upper turnover box 5, a second lower separating part 452 contacting with the lower end of the upper edge of the lower turnover box 5, and a second separating driving device 453 driving the second upper separating part 451 to rise and the second lower separating part 452 to descend;

the second separation driving device 453 includes a fourth gear, a fifth gear, and a sixth gear that are engaged with each other, a second separation motor that drives the fourth gear to rotate, a fifth screw connected to the fifth gear, a sixth screw connected to the sixth gear, a second upper rail that guides the second upper separation part 451, and a second lower rail that guides the second lower separation part 452; the second upper separating part 451 has a second upper chute at one end, the second upper separating part 451 is slidably connected with the second upper slide rail through the second upper chute, the second lower separating part 452 has a second lower chute at one end, the second lower separating part 452 is slidably connected with the second lower slide rail through the second lower chute, the fifth screw rod passes through the second upper separating part 451 and is rotatably connected with the second upper separating part 451, the sixth screw rod passes through the second lower separating part 452 and is rotatably connected with the second lower separating part 452, and the external screw thread of the fifth screw rod and the external screw thread of the sixth screw rod have the same rotation direction.

The first upper separating part 441 and the first lower separating part 442 are flush and extend into one side of the adjacent turnover box 5, the second upper separating part 451 and the second lower separating part 452 are flush and extend into the other side of the adjacent turnover box 5, the first separating motor 4434 of the first separating driving device 443 drives the first gear 4431 to rotate, the first gear 4431 rotates to drive the second gear 4432 to rotate, the second gear 4432 rotates to drive the third screw rod 4435 to rotate, the third gear 4433 drives the fourth screw rod 4436 to rotate, the second gear 4432 and the third gear 4433 rotate oppositely, the external threads of the third screw rod 4435 and the fourth screw rod 4436 rotate in the same rotation direction, the first upper separating part 441 moves upwards to abut against the lower end of the upper edge of the upper turnover box 5, the first lower separating part 442 moves downwards to abut against the upper end of the upper edge of the lower turnover box 5, the second separating motor 453 of the second separating driving device 453 drives the fourth gear to rotate, the fourth gear drives the fifth gear to rotate, the fifth gear drives the sixth gear to rotate, the fifth gear drives the fifth screw rod to rotate, the sixth gear drives the sixth screw rod to rotate, the fifth gear and the sixth gear rotate reversely, and the external threads of the fifth screw rod and the sixth screw rod have the same rotation direction, so that the second upper separation part 451 moves upwards to abut against the lower end of the upper edge of the upper turnover box 5, the second lower separation part 452 moves downwards to abut against the upper end of the lower edge of the lower turnover box 5, at this time, the first upper separation part 441, the first lower separation part 442, the second upper separation part 451 and the second lower separation part 452 abut against the preset positions of the adjacent turnover boxes 5 respectively, the first upper separation part 441 and the second loss separation part apply force to the upper turnover box 5 upwards, the upper turnover box 5 is gradually separated from the lower turnover box 5, the first lower separation part 442 and the second lower separation part 452 apply force to the lower turnover box 5 downwards, the lower turnover box 5 is fixed and cannot be carried up, the first upper separation part 441 and the second upper separation part 451 apply force simultaneously, so that the stress on two sides of the upper turnover box 5 is balanced, and the turnover box 5 is convenient to split; the first upper separation portion 441 and the first lower separation portion 442 are operated in synchronization by the first separation driving device 443 and the second separation driving device 453, and the second upper separation portion 451 and the second lower separation portion 452 are operated in synchronization, thereby improving the synergistic effect between the components; specifically, the upper turn-around box 5 and the lower turn-around box 5 refer to the positions of two adjacent turn-around boxes 5 stacked together in the vertical direction, respectively; more specifically, in order to improve the splitting effect, one end of the first upper separating portion 441 away from the first upper sliding rail 4437 forms a first upper separating rod, the upper surface of the first upper separating rod forms a third accommodating groove, a third clamping protrusion clamped to the groove 51 on one side of the upper edge of the upper turnover box 5 and a first clamping cylinder driving the third clamping protrusion to stretch out and draw back in the third accommodating groove are arranged in the third accommodating groove, one end of the second upper separating portion 451 away from the second upper sliding rail forms a second upper separating rod, the upper surface of the second upper separating rod forms a fourth accommodating groove, a fourth clamping protrusion clamped to the groove 51 on the other side of the upper edge of the upper turnover box 5 is arranged in the fourth accommodating groove, and a second clamping cylinder driving the fourth clamping protrusion to stretch out and draw back in the fourth accommodating groove are arranged in the fourth accommodating groove; through the third clamping bulge and the fourth clamping bulge, the clamping is connected in the groove 51 at the upper edge of the upper turnover box 5, so that the turnover box 5 is more stable when being disassembled, and the shaking problem can not occur.

(1) The injection molding device 2 injects molten plastics into the molding die 1;

(2) Cooling and molding the molten plastic in the molding die 1 to form a turnover box 5;

(3) Opening the forming die 1, taking out the turnover boxes 5, and outputting and stacking the turnover boxes 5 one by one through the conveying and collecting device 3;

in step (1), the molding die 1 comprises a movable die 11, a fixed die 12, a second lifting driving device 13 for driving the movable die 11 to be clamped to the fixed die 12, and a second moving driving device 14 for driving the movable die 11 to move between the fixed die 12 and the material conveying belt 31; the upper surface of the fixed die 12 forms a forming groove for accommodating the movable die 11, the second lifting driving device 13 drives the movable die 11 to descend into the forming groove, and a forming cavity for forming the turnover box 5 is formed after the movable die 11 and the fixed die 12 are clamped;

in step (3), the turnover box 5 is moved to the upper side of the material conveying belt 31 by the second moving driving device 14 and is demoulded, the material conveying belt 31 conveys the turnover box 5 to the grabbing station of the stacking device 32, the grabbing device 34 is driven by the first lifting driving device 35 to descend so that the turnover box 5 is grabbed by the grabbing device 34, after ascending, the turnover box 5 is moved to the upper side of the turnover table 33 by the grabbing device 34 driven by the first moving driving device 36, the turnover box 5 is descended and placed on the turnover table 33, and the turnover boxes 5 are stacked one by one for convenient transportation and storage of the stacked turnover boxes 5.

The plastic material is injected into the forming die 1 through the injection molding device 2, the turnover boxes 5 are output one by one and stacked through the conveying and collecting device 3 after cooling and forming, the turnover boxes 5 are moved to the position above the material conveying belt 31 through the second moving and driving device 14 and are demoulded, the turnover boxes 5 are conveyed to the grabbing station of the stacking device 32 through the material conveying belt 31, the grabbing device 34 is driven by the first lifting and driving device 35 to descend so that the grabbing device 34 grabs the turnover boxes 5, after ascending, the turnover boxes 5 are moved to the position above the turnover table 33 through the grabbing device 34 driven by the first moving and driving device 36, the turnover boxes 5 are lowered and placed on the turnover table 33, circulation operation is carried out, the turnover boxes 5 are stacked one by one, and the subsequent transportation and storage of the stacked turnover boxes 5 are facilitated.

The form of the present invention is not limited to the illustrations and examples, and any person who performs a similar idea of the present invention should be regarded as not departing from the scope of the patent of the invention.

Claims

1. A high performance modified plastic product forming device is characterized in that: the device comprises a forming die for forming a turnover box, an injection molding device for injecting molten plastics into the forming die, and a conveying and collecting device for conveying and collecting the formed turnover box; the conveying and collecting device comprises a material conveying belt for conveying the turnover boxes and a stacking device for stacking the turnover boxes;

The stacking device comprises a turnover table for placing the turnover box, a grabbing device for grabbing the turnover box, a first lifting driving device for driving the grabbing device to lift, and a first moving driving device for driving the grabbing device to move between the turnover table and the material conveying belt; the material conveying belt is provided with a feeding end and a discharging end, and the turnover table is positioned at one side of the discharging end of the material conveying belt;

the injection molding device comprises an injection molding cylinder, a screw rod arranged in the injection molding cylinder for outputting raw materials, an injection molding motor for driving the screw rod to rotate, and a feed hopper for feeding the raw materials into the injection molding cylinder; the injection molding machine comprises an injection molding cylinder, a fixed mold feeding hole, an injection molding head, a sealing mechanism and a sealing mechanism, wherein the injection molding cylinder is arranged at the discharge end of the injection molding cylinder;

the sealing mechanism comprises a mounting shaft, a plurality of sealing pieces corresponding to the injection holes one by one and a first rotating motor for driving the mounting shaft to rotate; the sealing piece is connected to the mounting shaft through a connecting rod, a notch is formed in the inner wall of the injection molding hole, an elastic sealing piece is arranged on the notch, and an elastic movable opening for the sealing piece to pass through is formed in the elastic sealing piece.

2. The high-performance modified plastic product molding apparatus according to claim 1, wherein: the grabbing device comprises a first grabbing mechanism grabbing one side of the turnover box, a second grabbing mechanism grabbing the other side of the turnover box, and a first opening and closing driving device driving the first grabbing mechanism and the second grabbing mechanism to open and close.

3. The high-performance modified plastic product molding apparatus according to claim 2, wherein: the first grabbing mechanism comprises a first bearing plate which is supported at the lower end of the upper edge of the turnover box and a first lifting mechanism which drives the first bearing plate to lift; the first lifting mechanism comprises a first mounting block, a second mounting block, a first screw rod, a first auxiliary rod and a first lifting motor, one end of the first screw rod penetrates through the first bearing plate and is rotationally connected to the second mounting block, the other end of the first screw rod penetrates through the first mounting block and is connected with the output end of the first lifting motor, one end of the first auxiliary rod penetrates through the first bearing plate and is connected to the second mounting block, and the other end of the first auxiliary rod is connected to the first mounting block;

4. A high performance modified plastic product forming apparatus as claimed in claim 3, wherein: the upper surface of the first receiving plate is provided with a plurality of first accommodating grooves, and each first accommodating groove is internally provided with a first clamping protrusion clamped in a groove on one side of the upper edge of the turnover box and a first clamping driving mechanism for driving the first clamping protrusion to stretch out and draw back in the first accommodating groove; the upper surface of the second receiving plate forms a plurality of second holding grooves, and each second holding groove is internally provided with a second clamping bulge which is clamped in a groove on the other side of the upper edge of the turnover box and a second clamping driving mechanism for driving the second clamping bulge to stretch out and draw back in the second holding groove.

5. The high-performance modified plastic product molding apparatus according to claim 1, wherein: the injection molding device comprises an injection molding cylinder, a screw rod arranged in the injection molding cylinder for outputting raw materials, an injection molding motor for driving the screw rod to rotate, and a feed hopper for feeding the injection molding cylinder.

6. The high-performance modified plastic product molding apparatus according to claim 1, wherein: the separating device is used for separating the stacked turnover boxes one by one; the separating device comprises a force application device for applying force to each adjacent turnover box, a third lifting driving device for driving the force application device to lift and a third moving driving device for driving the force application device to move.

7. The high-performance modified plastic product molding apparatus according to claim 6, wherein: the force application device comprises a first separation mechanism for separating one side of each adjacent turnover box, a second separation mechanism for separating the other side of each adjacent turnover box, and a second opening and closing driving device for driving the first separation mechanism and the second separation mechanism to open and close.

8. The high-performance modified plastic product molding apparatus according to claim 7, wherein: the first separation mechanism comprises a first upper separation part which is contacted with the lower end of the upper edge of the upper turnover box, a first lower separation part which is contacted with the upper end of the upper edge of the lower turnover box, and a first separation driving device which drives the first upper separation part to ascend and drives the first lower separation part to descend;

9. A method for manufacturing a molding apparatus for a high-performance modified plastic product according to any one of claims 1 to 8, comprising the steps of:

(1) The injection molding device injects molten plastics into a molding die;