CN213382612U

CN213382612U - Plastic precision injection molding processing device

Info

Publication number: CN213382612U
Application number: CN202022152216.3U
Authority: CN
Inventors: 刘智通; 李学进; 胡佰恩; 肖宇轩
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-06-08
Anticipated expiration: 2030-09-27

Abstract

The utility model relates to an injection molding device technical field just discloses a plastics precision injection moulding processingequipment, including the injection molding machine, the left side fixed connection of injection molding machine left side inner wall and fixed plate, the left side spiro union of fixed plate right side middle part and cover half, the right side of fixed plate respectively with the left end fixed connection of four group's guide bars. This accurate injection moulding processingequipment of plastics, output through servo motor drives swinging boom and push rod and rotates, and the push rod promotes the pendulum rod and uses the center pin to swing as the rotation axis, the top of pendulum rod drives the linking arm and removes, and make the linking arm promote the conveying pipeline, connecting plate and movable mould slide left along the guide bar, paste tightly with the right side of connecting plate in the left side of movable mould until, conveniently control connecting plate and movable mould compound die and keep pasting tightly, need continuously keep the high mold clamping force that easily causes to overload when having avoided using the pneumatic cylinder to promote the mould compound die.

Description

Plastic precision injection molding processing device

Technical Field

The utility model relates to an injection moulding device technical field specifically is a plastics precision injection moulding processingequipment.

Background

An injection molding machine is also known as an injection molding machine or an injection machine. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject the plastic to fill the mold cavity. The existing injection molding machine has the defect of poor accuracy of mold closing operation in the using process.

Chinese patent publication No. CN209365296U proposes an injection molding device for precision molding of plastic parts, the root diameter of guide post is greater than the top diameter of guide post, the lateral wall of guide post is provided with the detection notch, when the guide post is tightly fitted with the guide hole, the fixed mould end face is located in the detection notch. Utilize the guide post that has the tapering to make motion mould and fixed mould cooperation inseparable, be provided with simultaneously and detect the breach on the guide post, whether can conveniently judge whether accurate in the compound die clearance through observing whether the fixed mould terminal surface is located the detection breach, thereby can conveniently judge whether the precision of compound die system reaches the requirement, but this kind of injection moulding equipment of working of plastics precision forming processing uses hydraulic system directly to promote the mould and carries out the compound die, the pressurize in-process needs hydraulic system to keep the high pressure throughout, it overloads to be liable to cause the compound die power, and then produce the overlap scheduling problem easily at the in-process of moulding plastics.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a plastics precision injection moulding processingequipment has solved this kind of working of plastics precision moulding processing's injection moulding device and has used hydraulic system directly to promote the mould and carry out the compound die, and the pressurize in-process needs hydraulic system to remain the high pressure throughout, easily causes the compound die power to overload, and then produces the problem of overlap scheduling problem easily at the in-process of moulding plastics.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a plastic precision injection molding processing device comprises an injection molding machine, wherein the inner wall of the left side of the injection molding machine is fixedly connected with the left side of a fixed plate, the middle part of the right side of the fixed plate is in threaded connection with the left side of a fixed die, the right side of the fixed plate is respectively fixedly connected with the left ends of four groups of guide rods, the guide rods of the four groups are uniformly distributed on the outer side of the fixed die, the middle part of the inner wall of the rear side of the injection molding machine is in threaded connection with the rear side of a servo motor, the output end of the servo motor is fixedly connected with one end of a rotary arm close to the output end of the servo motor, the other end of the rotary arm is fixedly connected with the front end of a push rod, the rear end of the push rod extends into a push groove, the push groove is arranged in the middle part of a swing rod, the, the top of linking arm is rotated with the middle part of the surface of conveying pipeline and is connected, the left side of the surface of conveying pipeline and the middle part fixed connection of connecting plate, the left end of conveying pipeline pass the connecting plate and communicate with the right side of movable mould, the right side of movable mould and the left side spiro union of connecting plate, the right-hand member of conveying pipeline and injection device's left side intercommunication, injection device's front side and rear side respectively with two sets of sliders towards one side fixed connection of injection device, two sets of the slider respectively with two sets of spout sliding connection, two sets of spouts set up respectively in one side middle part of two sets of slide rails towards injection device, two sets of the right side of slide rail all with the right side inner wall fixed connection of injection molding machine.

Preferably, the middle part of the front side of the outer surface of the material conveying pipe is welded with the rear end of the cylindrical pin, the front end of the cylindrical pin is rotatably connected with the top end of the connecting arm, and the wall thickness of the material conveying pipe is uniform.

Preferably, the distance between the bottom of the injection device and the inner wall of the bottom of the injection molding machine is greater than the distance between the top of the servo motor and the inner wall of the bottom of the injection molding machine, and the connecting arm and the swing rod are both positioned on the front side of the injection device.

Preferably, the length of the sliding groove on the surface of the sliding rail is matched with that of the guide rod, the bottom of the sliding rail is fixedly connected with the top of the supporting frame, and the bottom of the supporting frame is fixedly connected with the inner wall of the bottom of the injection molding machine.

Preferably, the diameter of the push rod is matched with the width of the push groove, and the length of the push rod is equal to the thickness of the swing rod.

Preferably, the distance from the center of the output end of the servo motor to the inner wall of the top of the injection molding machine and the inner wall of the bottom of the injection molding machine is larger than the length of the rotating arm.

(III) advantageous effects

Compared with the prior art, the utility model provides a plastics precision injection moulding processingequipment possesses following beneficial effect:

1. this accurate injection moulding processingequipment of plastics, output through servo motor drives swinging boom and push rod and rotates, and the push rod promotes the pendulum rod and uses the center pin to swing as the rotation axis, the top of pendulum rod drives the linking arm and removes, and make the linking arm promote the conveying pipeline, connecting plate and movable mould slide left along the guide bar, paste tightly with the right side of connecting plate in the left side of movable mould until, conveniently control connecting plate and movable mould compound die and keep pasting tightly, need continuously keep the high mold clamping force that easily causes to overload when having avoided using the pneumatic cylinder to promote the mould compound die.

2. This accurate injection moulding processingequipment of plastics, diameter through the push rod and the width looks adaptation of push slot, and the length of push rod equals with the thickness of pendulum rod, make the push rod can remain throughout and push slot inner wall and contact when rotating, and then drive the pendulum rod swing, the distance between center through the servo motor output to injection molding machine top inner wall and the injection molding machine bottom inner wall all is greater than the length of swinging boom, avoid the swinging boom to rotate the in-process and produce the collision with the injection molding machine inner wall.

Drawings

Fig. 1 and 2 are schematic structural views of the present invention;

fig. 3 is a schematic view of the structure of the motor of the present invention.

In the figure: 1. an injection molding machine; 2. a fixing plate; 3. fixing a mold; 4. a guide bar; 5. a servo motor; 6. a rotating arm; 7. a push rod; 8. pushing the groove; 9. a swing rod; 10. a central shaft; 11. a connecting arm; 12. a delivery pipe; 13. a connecting plate; 14. moving the mold; 15. an injection device; 16. a slider; 17. a slide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a plastic precision injection molding processing device comprises an injection molding machine 1, the inner wall of the left side of the injection molding machine 1 is fixedly connected with the left side of a fixed plate 2, the middle part of the right side of the fixed plate 2 is in threaded connection with the left side of a fixed die 3, the right side of the fixed plate 2 is respectively fixedly connected with the left ends of four groups of guide rods 4, the four groups of guide rods 4 are uniformly distributed on the outer side of the fixed die 3, the middle part of the inner wall of the rear side of the injection molding machine 1 is in threaded connection with the rear side of a servo motor 5, the output end of the servo motor 5 is fixedly connected with one end of a rotary arm 6 close to the output end of the servo motor 5, the other end of the rotary arm 6 is fixedly connected with the front end of a push rod 7, the rear end of the push rod 7 extends into a push groove 8, the push groove 8 is arranged at the middle part of a swing rod, the top end of a connecting arm 11 is rotatably connected with the middle part of the outer surface of a material conveying pipe 12, the left side of the outer surface of the material conveying pipe 12 is fixedly connected with the middle part of a connecting plate 13, the left end of the material conveying pipe 12 penetrates through the connecting plate 13 and is communicated with the right side of a movable die 14, the right side of the movable die 14 is in threaded connection with the left side of the connecting plate 13, the right end of the material conveying pipe 12 is communicated with the left side of an injection device 15, the servo motor 5 is started when the device is assembled, the output end of the servo motor 5 drives a rotary arm 6 to rotate, the rotary arm 6 drives a push rod 7 to carry out angle transformation by taking the output end of the servo motor 5 as a rotary shaft in the rotating process, so that the push rod 7 can apply thrust to a push groove 8, further a swing rod 9 is pushed to swing by taking a central shaft 10 as the rotary shaft, until the left side of the movable mold 14 is tightly attached to the right side of the connecting plate 13, then raw materials are input into the movable mold 14 through the injection device 15 and the conveying pipeline 12 for injection molding operation, overload of mold closing force which is easily caused by continuously keeping high pressure when a hydraulic cylinder is used for pushing a mold to close the mold is avoided, the front side and the rear side of the injection device 15 are respectively fixedly connected with one sides of the two groups of sliding blocks 16 facing the injection device 15, the two groups of sliding blocks 16 are respectively in sliding connection with the two groups of sliding grooves, the two groups of sliding grooves are respectively arranged in the middle of one sides of the two groups of sliding rails 17 facing the injection device 15, and the right sides of the two.

Specifically, in order to avoid influencing the flow of raw materials, the middle part of the front side of the outer surface of the conveying pipe 12 is welded with the rear end of the cylindrical pin, the front end of the cylindrical pin is rotatably connected with the top end of the connecting arm 11, and the wall thickness of the conveying pipe 12 is uniform, so that the connecting arm 11 cannot influence the size of the inner cavity of the conveying pipe 12.

Specifically, in order to avoid interference on the injection device 15, the distance between the bottom of the injection device 15 and the inner wall of the bottom of the injection molding machine 1 is greater than the distance between the top of the servo motor 5 and the inner wall of the bottom of the injection molding machine 1, and the connecting arm 11 and the swing rod 9 are both located on the front side of the injection device 15, so that the injection device 15 cannot interfere with the servo motor 5, the connecting arm 11 and the swing rod 9 in the moving process.

Specifically, in order to support the injection device 15, the length of the surface sliding groove of the sliding rail 17 is matched with the length of the guide rod 4, so that the injection device 15 is always attached to the sliding block 16 and the sliding rail 17 in the moving process, the bottom of the sliding rail 17 is fixedly connected with the top of the support frame, the bottom of the support frame is fixedly connected with the inner wall of the bottom of the injection molding machine 1, and the bearing capacity of the sliding rail 17 is higher.

Specifically, in order to enable the push rod 7 to be always in contact with the inner wall of the push groove 8 when rotating, and further drive the swing rod 9 to swing, the diameter of the push rod 7 is matched with the width of the push groove 8, and the length of the push rod 7 is equal to the thickness of the swing rod 9.

Specifically, in order to avoid collision between the rotating arm 6 and the inner wall of the injection molding machine 1 in the rotating process, the distance from the center of the output end of the servo motor 5 to the inner wall of the top of the injection molding machine 1 and the inner wall of the bottom of the injection molding machine 1 is larger than the length of the rotating arm 6.

The working principle is as follows: the device starts servo motor 5 when the compound die, servo motor 5's output drives swinging boom 6 and rotates, swinging boom 6 drives push rod 7 at the pivoted in-process and uses servo motor 5 output to carry out the angle transformation as the rotation axis, and then make push rod 7 can exert thrust to push away groove 8, and then promote pendulum rod 9 and use center pin 10 to swing as the rotation axis, the top of pendulum rod 9 drives linking arm 11 and removes and deflect, and make linking arm 11 promote conveying pipeline 12, connecting plate 13 and movable mould 14 slide left along guide bar 4, it is tight to paste with the right side of connecting plate 13 until the left side of movable mould 14, then input the raw materials through injection device 15 and conveying pipeline 12 in to movable mould 14 and carry out the operation of moulding plastics.

In conclusion, the plastic precision injection molding processing device drives the rotating arm 6 and the push rod 7 to rotate through the output end of the servo motor 5, the push rod 7 pushes the swing rod 9 to swing by taking the central shaft 10 as a rotating shaft, the top end of the swing rod 9 drives the connecting arm 11 to move, and the connecting arm 11 pushes the material conveying pipe 12, the connecting plate 13 and the movable die 14 to slide leftwards along the guide rod 4 until the left side of the movable die 14 is attached to the right side of the connecting plate 13, so that the die assembly of the connecting plate 13 and the movable die 14 is conveniently controlled and kept attached, the phenomenon that the die assembly force is overloaded due to the fact that high pressure is continuously kept when a hydraulic cylinder is used for pushing the die to assemble the die is avoided, the energy consumption is reduced, the diameter of the push rod 7 is matched with the width of the push groove 8, the length of the push rod 7 is equal to the thickness, and then drive the swing link 9 swing, all be greater than the length of swinging boom 6 through the center of servo motor 5 output to the distance between 1 top inner wall of injection molding machine and 1 bottom inner wall of injection molding machine, avoid swinging boom 6 to rotate the in-process and produce the collision with 1 inner wall of injection molding machine.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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

Claims

1. The utility model provides a plastics precision injection moulding processingequipment, includes injection molding machine (1), its characterized in that: the left side fixed connection of injection molding machine (1) left side inner wall and fixed plate (2), the left side spiro union of fixed plate (2) right side middle part and cover half (3), the right side of fixed plate (2) respectively with the left end fixed connection of four group guide bar (4), four groups guide bar (4) evenly distributed in the outside of cover half (3), the middle part of injection molding machine (1) rear side inner wall and the rear side spiro union of servo motor (5), the output of servo motor (5) and swinging boom (6) are close to the one end fixed connection of servo motor (5) output, the other end of swinging boom (6) and the front end fixed connection of push rod (7), push rod (7) rear end stretches into to pushing away in groove (8), pushing away the middle part that groove (8) opened in pendulum rod (9), the bottom of pendulum rod (9) rotates with the front end of center pin (10) to be connected, the rear end of the central shaft (10) is fixedly connected with the inner wall of the rear side of the injection molding machine (1), the top end of the swing rod (9) is rotatably connected with the bottom end of the connecting arm (11), the top end of the connecting arm (11) is rotatably connected with the middle part of the outer surface of the conveying pipe (12), the left side of the outer surface of the conveying pipe (12) is fixedly connected with the middle part of the connecting plate (13), the left end of the conveying pipe (12) penetrates through the connecting plate (13) and is communicated with the right side of the movable die (14), the right side of the movable die (14) is in threaded connection with the left side of the connecting plate (13), the right end of the conveying pipe (12) is communicated with the left side of the injection device (15), the front side and the rear side of the injection device (15) are respectively fixedly connected with one side of the two groups of sliding blocks (16) facing the injection device (15), the two groups of sliding blocks (16) are respectively in sliding connection with the two groups of sliding grooves, the right sides of the two groups of slide rails (17) are fixedly connected with the inner wall of the right side of the injection molding machine (1).

2. The precision injection molding processing device for plastic according to claim 1, wherein: the middle part of the front side of the outer surface of the material conveying pipe (12) is welded with the rear end of the cylindrical pin, the front end of the cylindrical pin is rotatably connected with the top end of the connecting arm (11), and the wall thickness of the material conveying pipe (12) is uniform.

3. The precision injection molding processing device for plastic according to claim 1, wherein: the distance between the bottom of the injection device (15) and the inner wall of the bottom of the injection molding machine (1) is larger than the distance between the top of the servo motor (5) and the inner wall of the bottom of the injection molding machine (1), and the connecting arm (11) and the swing rod (9) are both located on the front side of the injection device (15).

4. The precision injection molding processing device for plastic according to claim 1, wherein: the length of the sliding groove in the surface of the sliding rail (17) is matched with that of the guide rod (4), the bottom of the sliding rail (17) is fixedly connected with the top of the supporting frame, and the bottom of the supporting frame is fixedly connected with the inner wall of the bottom of the injection molding machine (1).

5. The precision injection molding processing device for plastic according to claim 1, wherein: the diameter of the push rod (7) is matched with the width of the push groove (8), and the length of the push rod (7) is equal to the thickness of the swing rod (9).

6. The precision injection molding processing device for plastic according to claim 1, wherein: the distance from the center of the output end of the servo motor (5) to the inner wall of the top of the injection molding machine (1) and the inner wall of the bottom of the injection molding machine (1) is larger than the length of the rotating arm (6).