CN211891708U - Feeding and discharging machine for injection molding - Google Patents

Abstract

The utility model relates to the technical field of automatic processing, in particular to an injection molding machine, comprising an injection molding device, a round pin feeding device, a loading and unloading device and a discharging device; the injection molding device is provided with a mold; the loading and unloading device It includes a base, a moving mechanism and a box body; the moving mechanism is arranged on the base; the moving mechanism is used to drive the box body to move between the round pin feeding device, the discharging device and the injection molding device; the box body is provided with A loading and unloading assembly; the loading and unloading assembly includes a suction round pin assembly and a suction finished product assembly. The utility model realizes the automation of loading and unloading of the injection molding machine by arranging an injection molding device, a round pin feeding device, a loading and unloading device and a discharging device.

Description

An injection molding machine

technical field

The utility model relates to the technical field of automatic processing, in particular to an injection molding machine for loading and unloading.

Background technique

The traditional process of horizontal injection molding machine is to open the mold of the injection molding machine, manually put the round pin into the mold, manually leave the mold station, and then inject the finished product through the injection molding machine. After the injection molding is successful, the mold is opened and the product is manually placed. take out. This traditional working method has low efficiency and high work intensity, and the workers are easily fatigued.

Utility model content

The purpose of this utility model is to aim at the above-mentioned deficiencies in the prior art, to provide an injection molding machine for loading and unloading, which realizes the automation of loading and unloading of the injection molding machine.

The purpose of this utility model is achieved through the following technical solutions: an injection molding machine, including an injection molding device, a round pin feeding device, a loading and unloading device, and a discharging device; the injection molding device is provided with a mold; The pin feeding device, the loading and unloading device and the discharging device are all controlled by PLC.

The round pin feeding device includes a body; the body is provided with a feeding mechanism, an ejecting mechanism, a suction mechanism and a transporting mechanism; the feeding mechanism is used to transmit the round pin to the ejecting mechanism; the The ejecting mechanism is used to lift the round pin; the suction mechanism is used to suck the lifted round pin; the transport mechanism includes a carrier for driving the carrier to move a transport component; the carrier is provided with a round pin a hole; the suction mechanism is used to transfer the round pin into the round pin hole of the carrier;

The loading and unloading device includes a base, a moving mechanism and a box body; the moving mechanism is arranged on the base; the moving mechanism is used to drive the box body to move between the round pin feeding device, the discharging device and the injection molding device; The box body is provided with a loading and unloading assembly; the loading and unloading assembly includes a suction round pin assembly and a suction product assembly.

The utility model is further provided that the ejecting mechanism comprises a vertical column arranged on the fuselage, a ejecting seat arranged on the vertical column, a ejecting table slidably connected with the ejecting seat, a ejecting cylinder arranged on the ejecting seat, and a ejecting cylinder arranged on the ejecting seat and The ejector block is connected to the output end of the ejector cylinder; the ejector table is provided with a ejector chute for placing round pins; the ejector seat is provided with a drive cylinder for driving the ejector table to move; the output of the drive cylinder The end is connected with the ejecting table; the feeding mechanism is used to transfer the round pin to the ejecting chute of the ejecting table; the ejecting block is used to lift the round pin in the ejecting chute; the suction mechanism is used for The round pin that is ejected in the suction ejector chute.

The utility model is further configured as follows: the feeding mechanism includes a vibrating plate, a feeding rail and a direct-vibration feeder which are all arranged on the body; one end of the feeding rail is connected to the vibrating disc; The other end abuts against the top material table; the direct vibration feeder is arranged at the bottom of the feeding rail.

The utility model is further provided that the suction mechanism comprises a suction piece, a horizontal moving component for driving the suction piece to move in the horizontal direction, and a vertical moving component for driving the suction piece to move in the vertical direction;

The vertical moving assembly includes a suction seat, a suction slider slidingly connected with the suction seat, and a suction cylinder arranged on the suction seat; the output end of the suction cylinder is connected with the suction slider; the suction piece is arranged on the suction slider ;

The horizontal moving assembly includes a bracket set on the body, a suction motor set on the bracket, a suction lead screw rotatably connected to the bracket, and a suction nut sleeved on the suction lead screw; the output end of the suction motor is connected to the suction lead screw. connection; the suction seat is arranged on the suction nut.

The utility model is further provided that the transport assembly comprises a transport seat provided on the fuselage, a transport motor provided on the transport seat, a transport lead screw rotatably connected with the transport mount, and a transport nut sleeved on the transport lead screw; The output end of the transport motor is connected with the transport screw; the carrier is arranged on the suction nut;

The transport seat is provided with a limit sensor;

The carrier is provided with a vacuum suction nozzle at the bottom of the round pin hole.

The utility model is further provided that the round pin assembly includes a round pin cylinder arranged in the box body and a round pin adsorption piece connected with the output end of the round pin cylinder; the finished product suction assembly includes a finished product cylinder arranged in the box body and The finished product suction part is connected to the output end of the finished product cylinder; the box body is provided with perforations for the round pin suction parts and the finished product suction parts to extend.

The utility model is further provided that the moving mechanism is a six-axis robot; the six-axis robot is arranged on the base; the output end of the six-axis robot is connected to the box body.

The utility model is further provided that the box body comprises a bottom plate and a cover plate connected with the bottom plate; the finished air cylinder and the round pin cylinder are both arranged between the bottom plate and the cover plate; the perforation is arranged on the bottom plate;

One end of the bottom plate away from the cover plate is provided with a positioning pin; the mold is provided with two positioning grooves matched with the positioning pin;

Two first vacuum suction holes are arranged on the round pin suction member;

The finished product suction part is provided with a placement slot for placing the finished product; the placement slot is provided with a plurality of second vacuum suction holes;

The cover plate is provided with a plurality of ventilation holes;

The number of the loading and unloading components is four; the loading and unloading components are respectively arranged at the four corners of the box body; in each loading and unloading component, the suction product components are arranged at the bottom of the suction round pin component.

The utility model is further provided that the four corners of the mold are provided with a mold cavity; the mold cavity is provided with a circular pin insertion hole for placing a circular pin;

The number of the injection molding devices is two; the two injection molding devices are respectively arranged on both sides of the round pin feeding device.

The utility model is further provided that the discharging device comprises a fixed frame, a discharging motor arranged on the fixed frame, a driving wheel rotatably connected with the fixing frame, a driven wheel rotatably connected with the fixing frame, and a driving wheel and a driven wheel sleeved on the driving wheel The belt between the driving wheels; the discharging motor is used to drive the driving wheel to rotate;

The belt is provided with a dividing plate;

The number of the discharging devices is two, and the two discharging devices are respectively arranged on both sides of the round pin feeding device.

The beneficial effects of the utility model: the utility model realizes the automation of the injection molding machine unloading and unloading by setting the injection molding device, the round pin feeding device, the loading and unloading device and the discharging device.

Description of drawings

The utility model is further described by using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the utility model. For those of ordinary skill in the art, under the premise of no creative work, they can also obtain according to the following drawings. Additional drawings.

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is the structural representation of the round pin feeding device of the present utility model;

Fig. 3 is the structural schematic diagram of another angle of view of the round pin feeding device of the present invention;

Fig. 4 is the structural representation of the transport mechanism of the present utility model;

Fig. 5 is the partial enlarged view of A part among Fig. 2;

Fig. 6 is a partial enlarged view of part B in Fig. 3;

Fig. 7 is the structural representation of the loading and unloading device of the present invention;

Fig. 8 is the structural representation of the box body of the present utility model;

FIG. 9 is a schematic structural diagram of the box body of the present invention from another perspective;

10 is a schematic structural diagram of the box body of the present invention after the cover plate is hidden;

Fig. 11 is a partial enlarged view of part C in Fig. 8;

Fig. 12 is the structural representation of the discharging device of the present invention;

Fig. 13 is the structural representation of the mould of the present utility model;

Among them: 1-Injection device;

2-mold; 21-mold cavity; 22-round pin socket; 23-positioning groove;

3-fixed frame; 31-discharge motor; 32-driving wheel; 33-driven wheel; 34-belt; 35-dividing plate;

41-frame; 42-column; 421-jacking seat; 422-jacking table; 423-jacking cylinder; 424-jacking block; 425-jacking chute; 426-driving cylinder; 43-carriage; 431 -Round pin hole; 441-Vibration plate; 442- Feeding track; 443-Direct vibration feeder; 45-Suction piece; 451-Suction seat; 452-Suction slider; Suction motor; 456-suction screw; 457-suction nut; 46-transport seat; 461-transport motor; 462-transport screw; 463-transport nut; 464-limit sensor;

51-base; 52-six-axis robot; 53-box body; 531-bottom plate; 532-cover plate; 533-perforation; 534-vent hole; 541-round pin cylinder; Vacuum suction hole; 551-finished cylinder; 552-finished suction part; 553-placement slot; 554-second vacuum suction hole; 56-positioning pin.

Detailed ways

The present invention will be further described with reference to the following examples.

It can be seen from FIGS. 1 to 13 that the injection molding machine in this embodiment includes an injection molding device 1, a round pin feeding device, a loading and unloading device, and a discharging device; the injection molding device 1 is provided with a mold 2. ;

The round pin feeding device includes a fuselage 41; the fuselage 41 is provided with a feeding mechanism, a feeding mechanism, a suction mechanism and a transport mechanism; the feeding mechanism is used to transmit the round pin to the feeding mechanism; The ejector mechanism is used to lift the round pin; the suction mechanism is used to suck the lifted round pin; the transport mechanism includes a carrier 43 for driving the carrier 43 to move; the carrier 43 is provided with a round pin hole 431; the suction mechanism is used to transfer the round pin into the round pin hole 431 of the carrier 43;

The loading and unloading device includes a base 51, a moving mechanism and a box body 53; the moving mechanism is arranged on the base 51; The box body 53 is provided with a loading and unloading assembly; the loading and unloading assembly includes a suction round pin assembly and a suction product assembly. In the injection molding machine described in this embodiment, the ejecting mechanism includes a column 42 arranged on the body 41 , a ejector seat 421 arranged on the column 42 , and a ejector table 422 slidably connected with the ejector seat 421 . , a top material cylinder 423 located on the top material base 421 and a top material block 424 connected with the output end of the top material cylinder 423; the top material table 422 is provided with a top material groove 425 for placing round pins; the top material block 421 is provided with a driving cylinder 426 for driving the ejecting table 422 to move; the output end of the driving cylinder 426 is connected with the ejecting table 422; the feeding mechanism is used to transmit the round pin to the ejecting chute of the ejecting table 422 425 ; the ejector block 424 is used to lift up the round pin in the ejector slot 425 ; the suction mechanism is used to suck up the round pin in the ejector slot 425 . In the injection molding machine described in this embodiment, the round pin assembly includes a round pin cylinder 541 arranged in the box body 53 and a round pin suction member 542 connected to the output end of the round pin cylinder 541; The assembly includes a finished air cylinder 551 arranged in the box body 53 and a finished product suction member 552 connected to the output end of the finished product air cylinder 551 ;

Specifically, in the injection molding loading and unloading machine described in this embodiment, firstly, the injection molding device 1 arranges the round pins. Specifically, all the round pins are placed in the feeding mechanism, and the feeding mechanism transports the round pins to the top material. In the ejecting chute 425 of the table 422, the cylinder 426 is driven to work so that the ejecting stage 422 moves on the ejecting seat 421 so that the ejecting chute 425 moves to the top of the ejecting stage 422, and then the ejecting cylinder 423 works to drive The ejector block 424 rises to lift up the round pin in the ejector slot 425, the suction mechanism sucks the raised round pin and places it in the round pin hole 431 of the carrier 43, and then the transport assembly moves the carrier 43 to the pending position In the station, the loading and unloading device is to be grasped, so as to complete the arrangement, arrangement and feeding of the round pins; the loading mechanism, the ejecting mechanism, the suction mechanism and the transport mechanism are all controlled by PLC; then, the moving mechanism drives the box body 53 to move to the carrier 43 on which the round pin is placed at the to-be-determined station, and then the round pin cylinder 541 drives the round pin suction member 542 to protrude from the through hole 533 to suck the round pin of the round pin hole 431, and then the round pin cylinder 541 drives The round pin suction member 542 is reset, and then the moving mechanism drives the box body 53 to move into the injection molding machine and into the mold 2 in the injection molding machine. After aligning the finished product suction member 552 with the finished product in the cavity 21 in the mold 2 , the finished product cylinder 551 drives the round pin suction member 542 to protrude from the perforation 533 to suck the finished product in the mold 2, and then the finished product cylinder 551 drives the finished product suction member 552 to reset, and then the moving mechanism drives the box body 53 to move down so that the round The pin suction member 542 is aligned with the round pin insertion hole 22 of the mold 2 in the injection molding machine, and then the round pin cylinder 541 drives the round pin suction member 542 to protrude from the through hole 533 and inserts the round pin into the round pin insertion hole 22 of the mold 2 Waiting for the next injection, finally the round pin cylinder 541 is reset and the moving mechanism drives the box body 53 to withdraw from the injection molding machine, and the moving mechanism moves the box body 53 to the discharging device for discharging, completing a complete cycle, thereby Realize the automation of loading and unloading of injection molding machine; among them, the moving mechanism, round pin cylinder 541 and finished product cylinder 551 are all controlled by PLC.

In the injection molding machine in this embodiment, the feeding mechanism includes a vibration plate 441 , a feeding rail 442 and a direct vibration feeder 443 , which are all arranged on the body 41 ; one end of the feeding rail 442 It is connected with the vibration plate 441 ; the other end of the feeding rail 442 abuts against the ejecting table 422 ; the direct vibration feeder 443 is arranged at the bottom of the feeding rail 442 .

Specifically, in the injection loading and unloading machine described in this embodiment, all the round pins are first placed in the vibration plate 441, and the round pins in the vibration plate 441 are moved to the top table 422 by the direct vibration feeder 443 and the feeding track 442. in the top material chute 425, so as to realize automatic material feeding.

In the injection molding loading and unloading machine described in this embodiment, the suction mechanism includes a suction member 45, a horizontal moving assembly for driving the suction member 45 to move in the horizontal direction, and a vertical moving assembly for driving the suction member 45 to move in the vertical direction; The vertical moving assembly includes a suction seat 451, a suction slider 452 slidably connected with the suction seat 451, and a suction cylinder 453 arranged on the suction seat 451; the output end of the suction cylinder 453 is connected with the suction slider 452; the suction The component 45 is arranged on the suction slider 452; the horizontal moving component includes a bracket 454 arranged on the body 41, a sucking motor 455 arranged on the bracket 454, a sucking screw 456 rotatably connected with the bracket 454, and a sucking screw 456 sleeved on the sucking wire The suction nut 457 of the rod 456 ; the output end of the suction motor 455 is connected to the suction screw 456 ; the suction seat 451 is arranged on the suction nut 457 .

Specifically, in the injection molding machine in this embodiment, the suction member 45 is an existing suction element, which can be vacuum adsorption. When the ejector cylinder 423 drives the ejector block 424 to rise, the ejector 425 in the ejector slot 425 is lifted. The round pin is jacked up, and then the suction motor 455 works, and the suction seat 451 and the suction member 45 are moved to the top of the ejector chute 425 through the suction screw 456 and the suction nut 457, and then the suction cylinder 453 works to drive the suction slider 452 and suction The suction member 45 descends so that the suction member 45 sucks the round pin that is lifted in the ejector slot 425, and then moves the round pin to the round pin hole 431 of the carrier 43 through the horizontal moving component and the vertical moving component, so as to complete the suction Institutional automation.

In the injection molding machine described in this embodiment, the transport component includes a transport base 46 provided on the body 41 , a transport motor 461 provided on the transport base 46 , a transport screw 462 rotatably connected to the transport base 46 , and The transport nut 463 sleeved on the transport screw 462; the output end of the transport motor 461 is connected with the transport screw 462; the carrier 43 is arranged on the suction nut 457; When the round pin 431 is placed, the transport motor 461 works, and the carrier 43 is driven to move to the waiting position by the transport screw 462 and the transport nut 463 to be grasped by the loading and unloading device, thereby completing the sorting and feeding of the round pin.

The transport seat 46 is provided with a limit sensor 464; the above arrangement can prevent the carrier 43 from falling from the transport seat 46.

The carrier 43 is provided with a vacuum suction nozzle at the bottom of the round pin hole 431 . The above arrangement can stabilize the position of the round pin in the round pin hole 431 .

In the injection molding machine described in this embodiment, the number of the round pin holes 431 is four groups, and the four groups of round pin holes 431 are respectively arranged at the four corners of the carrier 43 , and the suction mechanism cooperates with the transport component to move the carrier 43 , after the round pins are grabbed four times and placed in the round pin holes 431 respectively, the transport assembly moves the carrier 43 to the undetermined station to be grabbed by the loading and unloading device, thereby completing one cycle of the round pin feeding device. In addition, in the injection molding machine of this embodiment, the number of the loading and unloading components is also four; the loading and unloading components are respectively arranged at the four corners of the box body 53; in each loading and unloading component, the finished product is sucked The components are all arranged at the bottom of the suction round pin component. And four corners of the mold 2 are provided with mold cavities 21; the mold cavity 21 is provided with round pin insertion holes 22 for placing round pins.

Through the above settings, the number of round pin holes 431 is four groups, the number of loading and unloading components is four, and the number of mold cavities 21 is also four, so that the injection molding machine of this embodiment can simultaneously process four products. processing, thereby greatly improving the work efficiency.

In the injection loading and unloading machine described in this embodiment, the moving mechanism is a six-axis robot 52 ; the six-axis robot 52 is arranged on the base 51 ; the output end of the six-axis robot 52 is connected to the box body 53 . By arranging the six-axis robot 52, the multi-directional change of the box body 53 can be realized.

In the injection molding machine described in this embodiment, the box body 53 includes a bottom plate 531 and a cover plate 532 connected to the bottom plate 531 ; The through holes 533 are arranged on the bottom plate 531 ; specifically, the above arrangement can protect the finished air cylinder 551 and the round pin air cylinder 541 .

One end of the bottom plate 531 away from the cover plate 532 is provided with a positioning pin 56 ; the mold 2 is provided with two positioning grooves 23 that cooperate with the positioning pins 56 ;

Two first vacuum suction holes 543 are provided on the round pin suction member 542; the above arrangement is convenient for sucking the round pins, and two round pins can be sucked at a time.

The finished product suction member 552 is provided with a placement slot 553 for placing the finished product; the placement slot 553 is provided with a plurality of second vacuum suction holes 554; the above arrangement is convenient for sucking the finished product.

The cover plate 532 is provided with a plurality of ventilation holes 534 ; the above arrangement facilitates the heat dissipation of the box body 53 .

In the injection molding loading and unloading machine described in this embodiment, the number of the injection molding devices 1 is two; the two injection molding devices 1 are respectively arranged on both sides of the round pin feeding device. The above setting can improve work efficiency.

In the injection molding machine described in this embodiment, the discharging device includes a fixing frame 3 , a discharging motor 31 arranged on the fixing frame 3 , a driving wheel 32 rotatably connected with the fixing frame 3 , and rotating with the fixing frame 3 . The connected driven wheel 33 and the belt 34 sleeved between the driving wheel 32 and the driven wheel 33; the discharging motor 31 is used to drive the driving wheel 32 to rotate;

The belt 34 is provided with a partition plate 35;

The number of the discharging devices is two, and the two discharging devices are respectively arranged on both sides of the round pin feeding device. By arranging two discharging devices and two injection molding devices 1 , the working efficiency of the injection molding machine can be greatly improved.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the protection scope of the present invention. Persons should understand that the technical solutions of the present invention may be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. The utility model provides a material loading and unloading machine moulds plastics which characterized in that: comprises an injection molding device (1), a round pin feeding device, a loading and unloading device and a discharging device; a mould (2) is arranged in the injection molding device (1);

the round pin feeding device comprises a machine body (41); the machine body (41) is provided with a feeding mechanism, a material ejecting mechanism, a suction mechanism and a conveying mechanism; the feeding mechanism is used for transmitting the round pin to the ejecting mechanism; the ejection mechanism is used for ejecting the round pin; the suction mechanism is used for sucking the jacked round pin; the transportation mechanism comprises a carrier (43) and a transportation assembly for driving the carrier (43) to move; the carrier (43) is provided with a round pin hole (431); the suction mechanism is used for transferring the round pin into a round pin hole (431) of the carrier (43);

the loading and unloading device comprises a base (51), a moving mechanism and a box body (53); the moving mechanism is arranged on the base (51); the moving mechanism is used for driving the box body (53) to move among the round pin feeding device, the discharging device and the injection molding device (1); a feeding and discharging assembly is arranged in the box body (53); the feeding and discharging assembly comprises a round sucking pin assembly and a finished product sucking assembly.

2. The injection molding feeding and discharging machine according to claim 1, characterized in that: the material ejecting mechanism comprises an upright post (42) arranged on the machine body (41), an ejecting seat (421) arranged on the upright post (42), an ejecting table (422) connected with the ejecting seat (421) in a sliding manner, an ejecting cylinder (423) arranged on the ejecting seat (421), and an ejecting block (424) connected with the output end of the ejecting cylinder (423); the material ejecting table (422) is provided with a material ejecting groove (425) for placing a round pin; the material ejecting seat (421) is provided with a driving cylinder (426) for driving the material ejecting table (422) to move; the output end of the driving cylinder (426) is connected with the material ejecting table (422); the feeding mechanism is used for conveying the round pin to an ejection groove (425) of an ejection table (422); the ejector block (424) is used for ejecting round pins in the ejector groove (425); the suction mechanism is used for sucking the round pin jacked up in the jacking groove (425).

3. The injection molding feeding and discharging machine according to claim 1, characterized in that: the feeding mechanism comprises a vibration disc (441), a feeding track (442) and a straight vibration feeder (443), which are all arranged on the machine body (41); one end of the feeding track (442) is connected with the vibration disc (441); the other end of the feeding track (442) is abutted against the ejection table (422); the vertical vibration feeder (443) is arranged at the bottom of the feeding track (442).

4. The injection molding feeding and discharging machine according to claim 1, characterized in that: the suction mechanism comprises a suction piece (45), a horizontal moving assembly for driving the suction piece (45) to move in the horizontal direction and a vertical moving assembly for driving the suction piece (45) to move in the vertical direction;

the vertical moving assembly comprises a suction seat (451), a suction sliding block (452) connected with the suction seat (451) in a sliding manner and a suction cylinder (453) arranged on the suction seat (451); the output end of the suction cylinder (453) is connected with a suction slide block (452); the suction piece (45) is arranged on the suction sliding block (452);

the horizontal moving assembly comprises a support (454) arranged on the machine body (41), a suction motor (455) arranged on the support (454), a suction screw rod (456) rotatably connected with the support (454) and a suction nut (457) sleeved on the suction screw rod (456); the output end of the suction motor (455) is connected with a suction screw rod (456); the suction seat (451) is arranged on the suction nut (457).

5. The injection molding feeding and discharging machine according to claim 1, characterized in that: the transportation assembly comprises a transportation seat (46) arranged on the machine body (41), a transportation motor (461) arranged on the transportation seat (46), a transportation lead screw (462) rotationally connected with the transportation seat (46) and a transportation nut (463) sleeved on the transportation lead screw (462); the output end of the transport motor (461) is connected with a transport screw (462); the carrier (43) is arranged on the suction nut (457);

the transportation seat (46) is provided with a limit inductor (464);

the carrier (43) is provided with a vacuum suction nozzle at the bottom of the round pin hole (431).

6. The injection molding feeding and discharging machine according to claim 1, characterized in that: the round pin assembly comprises a round pin cylinder (541) arranged in the box body (53) and a round pin adsorption piece (542) connected with the output end of the round pin cylinder (541); the finished product sucking assembly comprises a finished product cylinder (551) arranged in the box body (53) and a finished product adsorption piece (552) connected with the output end of the finished product cylinder (551); the box body (53) is provided with a through hole (533) for the round pin adsorption piece (542) and the finished product adsorption piece (552) to extend out.

7. The injection molding feeding and discharging machine according to claim 1, characterized in that: the moving mechanism is a six-axis robot (52); the six-axis robot (52) is arranged on the base (51); the output end of the six-axis robot (52) is connected with the box body (53).

8. The injection molding feeding and discharging machine according to claim 6, wherein: the box body (53) comprises a bottom plate (531) and a cover plate (532) connected with the bottom plate (531); the finished product cylinder (551) and the round pin cylinder (541) are arranged between the bottom plate (531) and the cover plate (532); the through hole (533) is formed in the bottom plate (531);

one end of the bottom plate (531) far away from the cover plate (532) is provided with a positioning pin (56); the die (2) is provided with two positioning grooves (23) matched with the positioning pins (56);

two first vacuum suction holes (543) are formed in the round pin adsorption piece (542);

the finished product adsorption piece (552) is provided with a placing groove (553) for placing the finished product; a plurality of second vacuum suction holes (554) are formed in the placing groove (553);

a plurality of air holes (534) are formed in the cover plate (532);

the number of the feeding and discharging assemblies is four; the feeding and discharging assemblies are respectively arranged on four corners of the box body (53); in each feeding and discharging assembly, the suction finished product assembly is arranged at the bottom of the suction round pin assembly.

9. The injection molding feeding and discharging machine according to claim 1, characterized in that: the four corners of the die (2) are provided with die cavities (21); a round pin jack (22) for placing a round pin is arranged in the die cavity (21);

the number of the injection molding devices (1) is two; the two injection molding devices (1) are respectively arranged at two sides of the round pin feeding device.

10. The injection molding feeding and discharging machine according to claim 1, characterized in that: the discharging device comprises a fixed frame (3), a discharging motor (31) arranged on the fixed frame (3), a driving wheel (32) rotationally connected with the fixed frame (3), a driven wheel (33) rotationally connected with the fixed frame (3) and a belt (34) sleeved between the driving wheel (32) and the driven wheel (33); the discharging motor (31) is used for driving the driving wheel (32) to rotate;

a partition plate (35) is arranged on the belt (34);

the number of the discharging devices is two, and the two discharging devices are respectively arranged on two sides of the round pin feeding device.

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