CN110815717A

CN110815717A - Vertical type insertion injection molding die structure for batch plastic spoons

Info

Publication number: CN110815717A
Application number: CN201911194399.0A
Authority: CN
Inventors: 雷海英
Original assignee: Wuhan Shengxiang Plastic Products Co Ltd
Current assignee: Wuhan Shengxiang Plastic Products Co Ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-02-21

Abstract

The invention discloses a vertical type insertion injection molding die structure of a batch plastic spoon, which comprises a processing platform and a mounting rack fixedly mounted on the processing platform, wherein an air cylinder, a storage hopper and a melting cavity are fixedly mounted on the mounting rack from top to bottom in sequence, two injection nozzles are mounted at the lower end of the melting cavity, a second steel disc and two die locking devices are mounted on the processing platform, the processing platform is commonly connected with a first steel disc through a plurality of springs, the first steel disc is positioned above the second steel disc, and two upper dies are fixedly arranged on the lower surface of the first steel disc. The plastic spoon collecting and separating device has the advantages that the first steel disc, the second steel disc and the like are utilized, the batch production of the plastic spoons can be realized, the time cost spent in production is saved, the production efficiency is improved, in addition, the automatic collection and separation of the plastic spoons can be realized without manual work and complicated mechanical devices during material taking, the control system is simpler, and the maintenance is convenient.

Description

Vertical type insertion injection molding die structure for batch plastic spoons

Technical Field

The invention relates to the technical field of injection molding devices, in particular to a vertical type insertion injection molding die structure of batch plastic spoons.

Background

Plastic products, including plastic tableware, plastic toys, plastic ornaments and the like, are mostly injection molded by an injection molding machine, wherein the injection molding machine melts plastic particles firstly, then injects the molten liquid into a mold under pressure, and obtains the processed plastic products through steps of cooling, demolding and the like.

At present, an injection molding machine for processing plastic spoons mostly adopts a plane injection molding mode, and the plane injection molding mode has the following problems in actual production:

1. the injection molding of one mold can be completed at one time, the molded plastic spoon can be obtained only by two steps of cooling and demolding after the injection molding is completed, and in the process, a nozzle of the injection molding machine is in an idle state, so that the processing efficiency of the injection molding machine for one plastic spoon is very low;

2. when a common multi-station plastic spoon injection molding machine produces plastic spoons, because the number of molding grooves for processing the plastic spoons is larger than that of injection molding openings, two adjacent plastic spoons are connected through a short section of plastic and need to be separated after material taking;

3. because the plastic spoon adopts the mode of plane injection moulding to mould plastics, vertical injection molding machine is not convenient for use thimble ejecting, so need the manual work to get the material or add the arm and get the material when getting the material, the manual work is got the material with high costs, inefficiency, and the arm is got the material with high costs, control system complicacy, ordinary arm also is difficult to separate the plastic spoon that links together in proper order under control system's control.

Therefore, the vertical type insertion injection molding die structure of the batch plastic spoon is high in processing efficiency and simple to control.

Disclosure of Invention

The invention aims to solve the defects that an injection molding machine for producing plastic spoons in the prior art is low in machining efficiency and cannot finish an accurate and rapid material taking process through a simple control system, and provides a vertical insertion injection molding die structure for batch plastic spoons.

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

a vertical type insertion injection molding die structure of a batch of plastic spoons comprises a processing platform and a mounting frame fixedly mounted on the processing platform, wherein an air cylinder, a storage hopper and a melting cavity are fixedly mounted on the mounting frame from top to bottom in sequence, two injection nozzles are mounted at the lower end of the melting cavity, a second steel disc and two die locking devices are mounted on the processing platform, the processing platform is commonly connected with a first steel disc through a plurality of springs, and the first steel disc is positioned above the second steel disc;

two upper dies are fixedly arranged on the lower surface of the first steel disc, a material taking mechanism is arranged in each upper die, each material taking mechanism comprises a communicating cavity arranged on the first steel disc, and a plurality of laser heads and a plurality of negative pressure pipes are arranged in each communicating cavity;

a plurality of lower moulds are symmetrically installed on the upper surface of the second steel disc, each injection molding opening and a plurality of molding grooves are formed in the lower mould, the corresponding molding grooves are symmetrically distributed along the circumferential direction and about the central axis of the injection molding opening, and each injection molding opening is communicated with a plurality of molding grooves corresponding to the injection molding opening in position.

Preferably, the flexible end of cylinder links to each other with the top stationary phase in melting chamber, and axis between them coincides mutually, the storage hopper is linked together through hose and melting chamber, it has the feeder hopper to support through the rack on the mounting bracket, the inlet pipe of helical shape is installed to the upper end of feeder hopper, and fixed welding has the division board in the feeder hopper, the feed opening has been seted up and the rotation is installed straight board to the bottom of feeder hopper, the fixed drop feed mechanism that is provided with on the rack, and drop feed mechanism and straight board fixed surface link to each other.

Preferably, drop feed mechanism includes balancing piece and the first motor of fixed mounting on the rack, fixedly connected with second connecting rod on the output shaft of first motor, and the top of second connecting rod rotates and is connected with first connecting rod, first connecting rod rotates with balancing piece jointly and is connected with even board, even the one end that the board is close to the storage hopper offsets through the kicking block with the lower surface of straight board.

Preferably, the upper end and the lower extreme of division board are cylinder and hollow frustum shape respectively, and the lower extreme of division board links to each other with the inside wall of feeder hopper is sealed, a plurality of bin outlets have been seted up to the symmetry on the lateral wall of feeder hopper, and the position of every bin outlet all corresponds with the position of division board.

Preferably, each mode locking device comprises a sliding seat installed on the upper surface of the machining platform, a second motor is arranged on each sliding seat in a sliding mode, a lead screw is fixedly connected to an output shaft of each second motor in a sliding mode, a pressurizing block is installed on each lead screw, and each pressurizing block is L-shaped and corresponds to the position of the first steel plate.

Preferably, the number of the laser heads positioned in the same upper die is the same as that of the shunt slot ways on any one lower die, and the plurality of laser heads and the plurality of shunt slot ways corresponding to the positions are circumferentially distributed.

Preferably, still the symmetry installs a plurality of transmission device on the processing platform, every transmission device all includes installs the electric putter on the processing platform, every equal fixed connection carries the charging tray on the electric putter, every carry and all seted up ring channel and column shape groove coaxially on the charging tray, and corresponding column shape groove is located the inboard of ring channel, every the diameter of ring channel all is greater than the diameter of arbitrary one last mould.

Preferably, a plurality of soft magnetic sheets are arranged on the inner side wall of the feed hopper in a surrounding mode, and each soft magnetic sheet is located between the separation plate and the feed pipe.

Preferably, the inclination angle of the side wall of the annular groove close to the cylindrical groove direction is 15-30 degrees.

The invention has the beneficial effects that:

1. set up to the heliciform through the inlet pipe with on the feeder hopper, can make the raw materials that drop into be circular motion, because the inertia of large granule raw materials and tiny particle raw materials is different, consequently its movement track is also different, so great granule can fall to between division board and the feeder hopper inside wall, retrieve it through the bin outlet, tiny particle raw materials falls into in the division board, thereby realize the filtering of large granule raw materials, guarantee that the homogeneity of raw materials hot melt is good, be favorable to improving injection moulding product's product quality.

2. Through setting up devices such as first connecting rod, second connecting rod, kicking block, straight board, can realize opening or closing of feeder hopper lower extreme bin outlet, control row material speed is compared in the rotation of directly using other equipment control straight boards such as telescopic cylinder, and this device has longer stroke, and is convenient for maintain, change, and use cost is lower.

3. Through the clamping mechanism that installation lead screw, slide, add briquetting, second motor constitute, can guarantee the leakproofness between first steel disc and the second steel disc, maintain the pressure value between the two, make the shaping of plastics spoon faster.

4. After the plastic spoon is molded and cooled, the plastic spoon in a mold can be completely sucked up by the negative pressure pipe, the joint of the plastic spoon is subjected to hot melting through the laser head, then the negative pressure is removed to naturally drop to the annular groove, and the waste material at the joint of the middle part falls into the cylindrical groove, so that the aims of respectively collecting the plastic spoon and the waste material are fulfilled, and the plastic spoons can be completely separated.

5. The ring channel sets up with the cylindricality groove is coaxial, the diameter of the circle that the internal diameter ratio reposition of redundant personnel groove way constitutes in the cylindricality groove is slightly bigger, the diameter of mould is big on the diameter ratio of ring channel, consequently, the waste material can fall to the cylindricality inslot in the same direction as the benefit, thereby can not bump the phenomenon of bounce with the cell wall in two grooves, because the spoon body department quality of plastics spoon is slightly bigger, consequently the slope whereabouts of plastics spoon, can not fall to the cylindricality inslot, and the ring channel inside wall has certain inclination, can play the guide effect to the plastics spoon, avoid plastics spoon and waste material to mix.

6. The inside wall of feeder hopper is gone up the encircleing and is provided with a plurality of soft magnetic sheets, and the metal impurity in the adsorbable raw materials of soft magnetic sheet plays the screening effect to when the metal particle on the soft magnetic sheet is more, only need use brush or the stronger permanent magnet of magnetic force wipe down metal particle or adsorb can, soft magnetic sheet can recycle.

7. Through designing two mouths and a plurality of mould of moulding plastics to the quantity of mould is the even number, consequently when the mouth of moulding plastics, all the other moulds can cool off, can practice thrift the time of moulding plastics through this mode, improves production efficiency, realizes the batch production of plastics spoon.

In conclusion, the plastic spoon collecting and separating device has the advantages that the first steel disc, the second steel disc and the like are utilized, the batch production of the plastic spoons can be realized, the time cost spent in production is saved, the production efficiency is improved, in addition, the automatic collection and separation of the plastic spoons can be realized without manual work and complicated mechanical devices when the plastic spoons are taken, the control system is simple, and the maintenance is convenient.

Drawings

FIG. 1 is a schematic structural diagram of a vertical insertion injection molding mold structure of a batch plastic spoon according to the present invention;

FIG. 2 is a schematic structural diagram of a feeding mechanism in a vertical insertion injection molding mold structure of a batch plastic spoon according to the present invention;

FIG. 3 is a schematic structural diagram of a mold locking device in a vertical insertion injection molding mold structure of a batch plastic spoon according to the present invention;

FIG. 4 is a schematic diagram of a partial front structure of a connecting part of a feed hopper and a straight plate in a vertical type insert injection molding mold structure of a batch plastic spoon according to the present invention;

FIG. 5 is a bottom view of an upper mold plate of a batch plastic spoon vertically inserted into an injection molding mold structure according to the present invention;

FIG. 6 is a top view of a lower mold plate in a vertical insert injection molding mold structure of a batch plastic spoon according to the present invention;

FIG. 7 is an enlarged view taken at A in FIG. 6;

FIG. 8 is a schematic structural view of a material taking mechanism of a batch plastic spoon vertically inserted into an injection molding mold structure according to the present invention;

FIG. 9 is a top view of a material carrying tray of the batch plastic spoon vertically inserted into an injection molding mold structure according to the present invention;

fig. 10 is a schematic diagram of a position relationship between a material carrying tray and an electric push rod in a vertical type insert injection molding mold structure of a batch plastic spoon provided by the invention.

In the figure: 1 cylinder, 2 mounting brackets, 3 storage hoppers, 4 feed hoppers, 5 soft magnetic sheets, 6 partition plates, 7 discharging mechanisms, 8 placing racks, 9 melting cavities, 10 injection molding nozzles, 11 lead screws, 12 processing platforms, 13 second steel discs, 14 sliding seats, 15 pressurizing blocks, 16 first steel discs, 17 discharging openings, 18 straight plates, 19 top blocks, 20 balance pieces, 21 connecting plates, 22 first connecting rods, 23 second connecting rods, 24 upper molds, 25 lower molds, 26 forming grooves, 27 injection molding openings, 28 shunting grooves, 29 discharging mechanisms, 30 heat insulation plates, 31 laser heads, 32 negative pressure pipes, 33 material loading discs, 34 annular grooves and 35 cylindrical grooves.

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.

Referring to fig. 1-10, a vertical type insert injection molding die structure of a batch plastic spoon comprises a processing platform 12 and a mounting frame 2 fixedly mounted on the processing platform 12, wherein an air cylinder 1, a storage hopper 3 and a melting chamber 9 are fixedly mounted on the mounting frame 2 from top to bottom in sequence, two injection nozzles 10 are mounted at the lower end of the melting chamber 9, a second steel plate 13 and two mold locking devices are mounted on the processing platform 12, the processing platform 12 is commonly connected with a first steel plate 16 through a plurality of springs, and the first steel plate 16 is positioned above the second steel plate 13;

the lower surface of the first steel plate 16 is fixedly provided with two upper molds 24, each upper mold 24 is internally provided with a material taking mechanism 29, each material taking mechanism 29 comprises a communicating cavity arranged on the first steel plate 16, the position of each communicating cavity corresponds to the position of the center of the corresponding upper mold 24, each communicating cavity is internally provided with a plurality of laser heads 31 and a plurality of negative pressure pipes 32, the plurality of laser heads 31 and the negative pressure pipes 32 corresponding to the positions are fixed on the first steel plate 16 through heat insulation plates 30, the communicating cavities are used for injection molding of the injection molding nozzles 10, and the heat insulation plates 30 are used for preventing the laser heads 31 and the negative pressure pipes 32 from being directly exposed to a high heat source;

a plurality of lower moulds 25 are installed to the upper surface symmetry of second steel disc 13, mouth 27 and a plurality of shaping groove 26 of moulding plastics have all been seted up on every lower mould 25, and a plurality of shaping groove 26 corresponding along the circumferencial direction and about the axis symmetric distribution of mouth 27 of moulding plastics, every is moulded plastics and all is communicated with shunt canals 28 between a plurality of shaping grooves 26 that the mouth 27 and the position correspond, molten state plastics flow to each shunt canals 28 by mouth 27 of moulding plastics under the pressure effect, rethread shunt canals 28 flow to shaping groove 26, accomplish the process of moulding plastics, the diameter and the length of shunt canals 28 are far less than notch width and the cell body length of shaping groove 26, waste with the reduction raw materials.

According to the invention, the telescopic end of the cylinder 1 is fixedly connected with the top end of the melting cavity 9, the central axes of the telescopic end and the melting cavity are coincident, the storage hopper 3 is communicated with the melting cavity 9 through a hose, the mounting frame 2 is supported with the feed hopper 4 through the placing frame 8, the upper end of the feed hopper 4 is provided with the spiral feed pipe, the inside of the feed hopper 4 is fixedly welded with the partition plate 6, the bottom of the feed hopper 4 is provided with the feed opening 17 and is rotatably provided with the straight plate 18, the placing frame 8 is fixedly provided with the discharging mechanism, and the discharging mechanism is fixedly connected with the lower.

The drop feed mechanism includes balance member 20 and the first motor of fixed mounting on rack 8, fixedly connected with second connecting rod 23 on the output shaft of first motor, and the top of second connecting rod 23 rotates and is connected with first connecting rod 22, first connecting rod 22 rotates with balance member 20 jointly and is connected with even board 21, even board 21 is close to the one end of storage hopper 3 and offsets through kicking block 19 and the lower surface of straight board 18, first connecting rod 22 drives and links and pull 21 and use balance member 20 and link the department of linking to each other to rotate as the center.

The upper end and the lower extreme of division board 6 are cylinder and hollow frustum shape respectively, and the lower extreme of division board 6 links to each other with the inside wall of feeder hopper 4 is sealed, and a plurality of bin outlets have been seted up to the symmetry on the lateral wall of feeder hopper 4, and the position of every bin outlet all corresponds with division board 6's position.

Every mode locking device all is including installing the slide 14 at 12 upper surfaces of processing platform, all slides on every slide 14 and is provided with the second motor and through the output shaft fixedly connected with lead screw 11 of second motor, all installs on every lead screw 11 and adds briquetting 15, and every adds briquetting 15 and is L shape and corresponding with the position of first steel disc 16, and L shape adds briquetting 15 can with the better block of first steel disc 16.

The number of the laser heads 31 positioned in the same upper die 24 is the same as that of the shunt channel 28 on any one lower die 25, namely the number of the upper die 24 is the same as that of the lower die 25, the laser heads 31 and the shunt channel 28 which correspond in position are circumferentially distributed, and the laser heads 31 are used for fusing the plastic connecting piece formed at the shunt channel 28.

Still the symmetry installs a plurality of transmission device on the processing platform 12, and every transmission device is all including installing the electric putter on processing platform 12, every electric putter is last all fixed connection has the material tray 33 of carrying, and equal coaxial ring channel 34 and the columnar order 35 of having seted up on every material tray 33 of carrying, and corresponding columnar order 35 is located the inboard of ring channel 34, and the diameter of every ring channel 34 all is greater than the diameter of arbitrary one upper die 24, and columnar order 35 is used for holding the waste material, and ring channel 34 is used for holding the good plastic spoon of processing.

A plurality of soft magnetic sheets 5 are arranged on the inner side wall of the feed hopper 4 in a surrounding mode, each soft magnetic sheet 5 is located between the partition plate 6 and the feed pipe, and the soft magnetic sheets 5 can screen out metal particles in raw materials.

The side wall of the annular groove 34 in the direction close to the cylindrical groove 35 is inclined at an angle of 15-30 deg., and the plastic spoon can slide down into the annular groove 34 by means of the slope when falling down.

When the invention is used, raw materials are put into the feed hopper 4 from a spiral feed pipe, so that the scattered raw materials do circular motion, magnetic impurities in the raw materials are attracted by the soft magnetic sheet 5 to be close to and adsorbed on the soft magnetic sheet 5, the raw materials with larger particles may be insufficiently melted during melting, and the product quality is influenced, so that the raw materials need to be screened firstly, the raw materials have different particle sizes and different masses and larger inertia, the radius of circular motion of the raw materials with larger particles is gradually increased under the action of gravity and centripetal force, and the increasing speed of the moving radius of the raw materials with smaller particles is smaller than the increasing speed of the moving radius of the raw materials with larger particles, so that the raw materials with larger particles fall between the partition plate 6 and the inner side wall of the feed hopper 4 and are recovered through a discharge port, and the raw materials with smaller particles fall into the partition;

when the raw material in the feeding hopper 4 reaches a certain amount, the first motor rotates to enable the second connecting rod 23 to rotate clockwise, the lengths of the first connecting rod 22 and the second connecting rod 23 in the vertical direction are increased, one end, close to the first motor, of the connecting plate 21 is lifted upwards to enable the top block 19 to descend, the straight plate 18 rotates along with the first connecting rod, the discharging opening 17 is opened, the raw material falls into the storage hopper 3 along the straight plate 18 in a rolling mode, and then the first motor drives the second connecting rod 23 to rotate anticlockwise to enable the discharging opening 17 to be closed;

the raw materials in the storage hopper 3 are conveyed into the melting chamber 9, the raw materials are extruded and melted under the action of a pressurizing device and flow into the injection molding ports 10 (the pressurizing device is not shown), meanwhile, the screw rod 11 rotates, so that the pressurizing block 15 moves downwards and presses the first steel disc 16 and the second steel disc 13, the two injection molding nozzles 10 gradually approach the first steel disc 16 under the pushing of the air cylinder 1, the two injection molding nozzles 10 firstly inject the molten raw materials into two upper molds 24 on the first steel disc 16, then the raw materials flow into a lower mold 25 on the second steel disc 13, the molten raw materials are filled into a forming groove 26 along a diversion channel 28 to be injected under the pressure, and after the injection molding of the former two molds is completed, the two injection molding nozzles 10 are lifted and rotate to the positions of the other two molds to be injected;

after injection molding of all molds is completed, the injection molding mouth 10 leaves the injection molding mouth 17, the plastic spoon is completely molded through pressure maintaining and cooling of a mold locking mechanism, then the mold locking mechanism is opened, namely the screw rod 11 rotates to enable the pressurizing block 15 to be separated from the first steel disc 16, meanwhile, the second motor moves towards the direction far away from the first steel disc 16, the first steel disc 16 is separated from the second steel disc 13 under the action of the spring, at the moment, the electric push rod drives the material carrying disc 33 to move to be positioned under the upper mold 24, the molded material at the shunting channel 28 is sucked up through the negative pressure pipe 32, the laser head 13 carries out hot melting on the material, the connected plastic spoon is separated, then the negative pressure effect is removed, the plastic spoon falls into the annular groove 34, and the waste at the shunting channel 28 falls into the cylindrical groove 35, so that automatic classification and collection of plastic products are realized;

after the collection is finished, the electric push rod drives the material carrying disc 33 to reset, and the plastic spoon can be produced in batch without interruption by circulating the process;

it should be noted that the number of the lower molds 25 is four or more, and is a multiple of 2, taking four lower molds 25 as an example, after two injection nozzles 10 have injected two molds, two injection nozzles 10 can be lifted and rotated to the positions of the other two molds for injection molding, and at this time, the former two molds can utilize the time to perform pressure maintaining and cooling on the raw materials inside the former two molds, and wait for the formation of the plastic spoon, thereby saving time and improving efficiency; the injection nozzle 10 can rotate by itself in a servo motor driving mode (the servo motor can be directly arranged on the cylinder 1, and can also drive the melting cavity 9 to rotate in a gear ring and gear meshing mode, so that the cylinder 1 and the injection nozzle 10 are indirectly driven to rotate), and the angle of single rotation is the included angle between the two injection nozzles 10; cylinder 1 passes through deep groove ball bearing and rotationally installs on mounting bracket 2, and along with the rotation of moulding plastics mouth 10, cylinder 1 also can be along with rotating for the axis of cylinder 1 and the axis coincidence of melting chamber 9 all the time, the rotation mode of moulding plastics mouth 10 should be reciprocating type rotation, if rotate 180 back anticlockwise rotation 180 clockwise again, guarantee that the raw materials in the storage hopper 3 can carry to the melting chamber 9 in smoothly always.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A vertical type insertion injection molding die structure of a batch plastic spoon comprises a processing platform (12) and a mounting rack (2) fixedly mounted on the processing platform (12), and is characterized in that an air cylinder (1), a storage hopper (3) and a melting cavity (9) are fixedly mounted on the mounting rack (2) from top to bottom in sequence, two injection molding nozzles (10) are mounted at the lower end of the melting cavity (9), a second steel disc (13) and two die locking devices are mounted on the processing platform (12), a first steel disc (16) is connected to the processing platform (12) through a plurality of springs, and the first steel disc (16) is located above the second steel disc (13);

two upper dies (24) are fixedly arranged on the lower surface of the first steel disc (16), a material taking mechanism (29) is arranged in each upper die (24), each material taking mechanism (29) comprises a communicating cavity arranged on the first steel disc (16), and a plurality of laser heads (31) and a plurality of negative pressure pipes (32) are arranged in each communicating cavity;

a plurality of lower mould (25) are installed to the upper surface symmetry of second steel disc (13), every all seted up on lower mould (25) and moulded plastics mouth (27) and a plurality of shaping groove (26), and corresponding a plurality of shaping groove (26) along the circumferencial direction and about the axis symmetric distribution who moulds plastics mouth (27), every it has reposition of redundant personnel groove way (28) all to communicate between a plurality of shaping grooves (26) that mould plastics mouth (27) and position are corresponding.

2. The vertical type insertion injection molding die structure of the batch plastic spoon as claimed in claim 1, wherein the telescopic end of the cylinder (1) is fixedly connected with the top end of the melting cavity (9), the central axes of the telescopic end and the melting cavity (9) coincide with each other, the storage hopper (3) is communicated with the melting cavity (9) through a hose, the mounting rack (2) is supported with the feed hopper (4) through a placing rack (8), the upper end of the feed hopper (4) is provided with a spiral feed pipe, a partition plate (6) is fixedly welded in the feed hopper (4), the bottom of the feed hopper (4) is provided with a feed opening (17) and is rotatably provided with a straight plate (18), a feeding mechanism is fixedly arranged on the placing rack (8), and the feeding mechanism is fixedly connected with the lower surface of the straight plate (18).

3. The vertical type insert injection molding die structure of a batch plastic spoon as claimed in claim 2, wherein the emptying mechanism comprises a balance member (20) and a first motor which are fixedly mounted on the placing rack (8), a second connecting rod (23) is fixedly connected to an output shaft of the first motor, a first connecting rod (22) is rotatably connected to the top end of the second connecting rod (23), the first connecting rod (22) and the balance member (20) are together rotatably connected with a connecting plate (21), and one end of the connecting plate (21), which is close to the storage hopper (3), abuts against the lower surface of the straight plate (18) through a top block (19).

4. The vertical type insert injection molding die structure of a batch plastic spoon as claimed in claim 2, wherein the upper end and the lower end of the partition plate (6) are respectively cylindrical and hollow frustum-shaped, the lower end of the partition plate (6) is connected with the inner side wall of the feed hopper (4) in a sealing manner, a plurality of discharge openings are symmetrically formed in the side wall of the feed hopper (4), and the position of each discharge opening corresponds to the position of the partition plate (6).

5. The vertical type insert injection molding die structure of a batch plastic spoon as claimed in claim 1, wherein each of said die locking devices comprises a slide seat (14) mounted on the upper surface of the processing platform (12), each of said slide seats (14) is slidably provided with a second motor and is fixedly connected with a lead screw (11) through an output shaft of the second motor, each of said lead screws (11) is provided with a pressurizing block (15), and each of said pressurizing blocks (15) is L-shaped and corresponds to the position of the first steel plate (16).

6. The vertical type insert injection molding die structure of a batch of plastic spoons according to claim 1, characterized in that the number of the laser heads (31) in the same upper die (24) is the same as the number of the shunting grooves (28) in any lower die (25), and the plurality of laser heads (31) and the plurality of shunting grooves (28) which are correspondingly arranged are circumferentially distributed.

7. The vertical type insert injection molding die structure of a batch of plastic spoons as claimed in claim 1, wherein a plurality of transmission mechanisms are further symmetrically mounted on the processing platform (12), each transmission mechanism comprises an electric push rod mounted on the processing platform (12), each electric push rod is fixedly connected with a material carrying tray (33), each material carrying tray (33) is coaxially provided with an annular groove (34) and a cylindrical groove (35), the corresponding cylindrical groove (35) is located inside the annular groove (34), and the diameter of each annular groove (34) is larger than that of any upper die (24).

8. Vertical insert injection molding die structure of a batch plastic spoon as claimed in claim 2, characterized in that a plurality of soft magnetic sheets (5) are arranged around the inner side wall of the feeding hopper (4), and each soft magnetic sheet (5) is located between the partition plate (6) and the feeding pipe.

9. A vertical insert injection molding die structure for a bulk plastic spoon as claimed in claim 7, wherein the angle of inclination of the side wall of the annular groove (34) in the direction of the cylindrical groove (35) is 15 ° to 30 °.