CN220075467U - Injection mechanism of EVA injection molding machine - Google Patents
Injection mechanism of EVA injection molding machine Download PDFInfo
- Publication number
- CN220075467U CN220075467U CN202321503758.8U CN202321503758U CN220075467U CN 220075467 U CN220075467 U CN 220075467U CN 202321503758 U CN202321503758 U CN 202321503758U CN 220075467 U CN220075467 U CN 220075467U
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- Prior art keywords
- charging barrel
- injection
- barrel
- eva
- molding machine
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- 238000002347 injection Methods 0.000 title claims abstract description 41
- 239000007924 injection Substances 0.000 title claims abstract description 41
- 238000001746 injection moulding Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007493 shaping process Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses an injection mechanism of an EVA injection molding machine, which relates to the technical field of EVA injection molding machines and comprises an injection seat; the charging barrel is arranged on the injection seat, and a screw rod is arranged in the inner accommodating cavity of the charging barrel; the front end of the charging barrel is provided with a nozzle; the power unit is arranged on one side of the charging barrel and used for driving the screw to rotate; the piston unit is arranged on one side of the power unit and used for driving the screw rod to move in the inner containing cavity of the charging barrel; the feeding device is characterized by further comprising a feeding funnel, wherein the inner cavity of the feeding funnel is communicated with the inner containing cavity of the charging barrel, and an adjusting device for adjusting the feeding speed is arranged between the lower side of the feeding funnel and the charging barrel. Thereby through the speed and the quantity of unloading of adjusting device adjustment feed hopper's position control, can be better carry out the heating plasticization to the material that gets into in the feed cylinder for product shaping effect promotes.
Description
Technical Field
The utility model relates to the technical field of EVA injection molding machines, in particular to an injection mechanism of an EVA injection molding machine.
Background
Injection molding machines are also known as injection molding machines or injection molding machines. The working principle of the injection molding machine is similar to that of an injector for injection, and plastic in a plasticized molten state (namely viscous state) is injected into a closed mold cavity by means of the thrust of a screw or a plunger, and a product is obtained after solidification and shaping.
The current injection machine can not accurately control the speed and the dosage of blanking, so that a plurality of materials can not be heated sufficiently and plasticized, and the product forming effect is poor.
Disclosure of Invention
The utility model aims to provide an injection mechanism of an EVA injection molding machine. Solves the problems that the blanking speed and the blanking dosage cannot be accurately controlled, so that a plurality of materials cannot be sufficiently heated and plasticized, and the product forming effect is poor.
In order to achieve the above purpose, the utility model adopts the following scheme: the injection mechanism of the EVA injection molding machine comprises an injection seat;
the charging barrel is arranged on the injection seat, and a screw rod is arranged in the inner accommodating cavity of the charging barrel; the front end of the charging barrel is provided with a nozzle;
the power unit is arranged on one side of the charging barrel and used for driving the screw to rotate;
the piston unit is arranged on one side of the power unit and used for driving the screw rod to move in the inner containing cavity of the charging barrel;
the feeding device is characterized by further comprising a feeding funnel, wherein the inner cavity of the feeding funnel is communicated with the inner containing cavity of the charging barrel, and an adjusting device for adjusting the feeding speed is arranged between the lower side of the feeding funnel and the charging barrel;
the adjusting device comprises a sliding part and a driving part, the sliding part is arranged above the injection seat, and the feeding funnel is connected with the sliding part and used for driving the feeding funnel to slide along the injection seat; the driving part is connected with the sliding part and used for driving the sliding part to move.
In the scheme, the position of the feeding hopper is adjusted through the adjusting device so as to control the speed and the dosage of blanking, so that materials entering the charging barrel can be heated and plasticized better, and the product forming effect is improved; the driving part drives the sliding part to slide to drive the feeding funnel to move, so that the relative angle between the feeding funnel and the feeding inlet of the charging barrel is changed, and the speed and the dosage of discharging are controlled.
Preferably, the device further comprises a receiving barrel, wherein the receiving barrel is arranged on the lower side of the nozzle, and the receiving barrel is connected with the charging barrel through a connecting structure.
In this scheme, there is the material after the part plasticization to flow from the nozzle when the nozzle injects into the shaping die cavity with the material after the plasticization, sets up to connect the storage bucket and can unify the material of flow out and preserve the processing for the machine is more pleasing to the eye and washs more conveniently.
As a further preferable mode, the sliding part comprises a fixed base and a sliding sleeve, the fixed base is arranged on the injection base, the sliding sleeve is sleeved on a connecting rod of the fixed base, the sliding sleeve is slidably connected with the connecting rod of the fixed base, and the sliding sleeve is connected with the feeding funnel.
As a further preferable mode, the driving part is a telescopic motor, the telescopic motor is arranged on the injection seat, and a telescopic rod of the telescopic motor is connected with the sliding sleeve and drives the telescopic rod to slide along a connecting rod of the fixed base.
As a further preferable mode, a connecting rod is arranged at the front end of the telescopic rod of the telescopic motor, and the connecting rod is connected with the sliding sleeve and the telescopic rod of the telescopic motor.
As a further preferable mode, electromagnetic switches are arranged on two sides of the feeding hopper, and the electromagnetic switches are connected with the telescopic motor.
As a further preferable mode, the connecting structure comprises a hook body, a hook groove is formed in the charging barrel, the hook body is arranged on the charging barrel, or the hook body is arranged on the charging barrel, and the hook groove is formed in the charging barrel; the hook groove is used for the hook body to be hooked to connect the receiving barrel with the hook groove.
In this scheme for the feed cylinder is dismantled more conveniently with the connection of receiving the storage bucket, more conveniently handles the material that spills.
As a further preferable mode, the inner cross section of the receiving barrel is arranged in a semicircular mode.
Drawings
FIG. 1 is a schematic view of the injection mechanism of the EVA injection molding machine of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1 at A;
fig. 3 is a schematic cross-sectional structure of an injection mechanism of the EVA injection molding machine of the present utility model.
In the figure: 1. an injection seat; 2. a charging barrel; 3. a screw; 4. a nozzle; 5. a power unit; 6. a piston unit; 7. a feed hopper; 8. an adjusting device; 81. a sliding portion; 811. a fixed base; 812. a sliding sleeve; 82. a driving section; 821. a telescopic motor; 83. an electromagnetic switch; 9. receiving a charging basket; 91. a connection structure; 911. a hook body.
Detailed Description
The utility model will be described in detail below with respect to certain specific embodiments thereof in order to better understand the utility model and thereby to more clearly define the scope of the utility model as claimed. It should be noted that the following description is only some embodiments of the inventive concept and is only a part of examples of the present utility model, wherein the specific direct description of the related structures is only for the convenience of understanding the present utility model, and the specific features do not naturally and directly limit the implementation scope of the present utility model. Conventional selections and substitutions made by those skilled in the art under the guidance of the inventive concept should be considered as being within the scope of the claimed utility model.
The injection mechanism of the EVA injection molding machine comprises an injection seat 1; the charging barrel 2 is arranged on the injection seat 1, and a screw rod 3 is arranged in the inner accommodating cavity of the charging barrel 2; the front end of the charging barrel 2 is provided with a nozzle 4; the nozzle 4 is communicated with the inner cavity of the charging barrel 2; the power unit 5 is arranged on one side of the charging barrel 2 and used for driving the screw 3 to rotate; the piston unit 6 is arranged on one side of the power unit 5 and used for driving the screw 3 to move in the inner containing cavity of the charging barrel 2; still include feed hopper 7, the inner chamber of feed hopper 7 communicates with the inside appearance chamber of feed cylinder 2, is equipped with the adjusting device 8 that is used for adjusting the feed rate between feed hopper 7 downside and the feed cylinder 2.
In the embodiment, the power unit 5 is a rotating motor and is used for driving the screw 3 to rotate, the piston unit 6 is an oil cylinder and a piston, the oil cylinder drives the piston and the piston rod to move along the length direction of the charging barrel 2, and the screw 3 is synchronously driven to move so as to transport materials to the nozzle 4 for ejection; the feed cylinder 2 and the injection seat 1 are provided with feed inlets which are communicated with each other; the position of the feeding funnel 7 is adjusted through the adjusting device 8 so as to control the speed and the dosage of blanking, and materials entering the charging barrel 2 can be heated and plasticized better, so that the product forming effect is improved.
The adjusting device 8 comprises a sliding part 81 and a driving part 82, the sliding part 81 is arranged above the injection seat 1, and the feeding funnel 7 is connected with the sliding part 81 and used for driving the feeding funnel to slide along the injection seat 1; the driving portion 82 is connected to the sliding portion 81 for driving the sliding portion 81 to move. The driving part 82 drives the sliding part 81 to slide to drive the feeding hopper 7 to move, so that the relative angle between the feeding hopper and the feeding opening of the charging barrel 2 is changed, and the discharging speed and the discharging amount are controlled.
The sliding portion 81 includes a fixed base 811 and a sliding sleeve 812, the injection seat 1 is provided with the fixed base 811, the connecting rod of the fixed base 811 is sleeved with the sliding sleeve 812, the sliding sleeve 812 is slidably connected with the connecting rod of the fixed base 811, and the sliding sleeve 812 is connected with the feed hopper 7. The driving part 82 is a telescopic motor 821, the telescopic motor 821 is arranged on the injection seat 1, and a telescopic rod of the telescopic motor 821 is connected with the sliding sleeve 812 and drives the sliding sleeve to slide along a connecting rod of the fixed base 811. The electromagnetic switch 83 is arranged on the inner side and the outer side of the fixed base 811 (namely, the two sides of the movement direction of the feeding funnel 7), the electromagnetic switch 83 is close to the electromagnetic switch 83 when the feeding funnel 7 moves to the maximum limit, the electromagnetic switch 83 controls the telescopic motor 821 to be closed, and the electromagnetic switch 83 is closed when the feeding funnel 7 needs to be started, and the telescopic motor 821 drives the feeding funnel 7 to move.
In this embodiment, the fixing base 811 is provided with a through hole having the same size as the feeding hole, the feeding funnel 7 is also provided with a feeding hole, and the three are communicated, when the material discharging speed needs to be reduced, the telescopic motor 821 is started, the telescopic rod of the telescopic motor 821 shortens and drives the sliding sleeve 812 to slide along the connecting rod, so that the position of the feeding funnel 7 is changed, the feeding hole and the through hole are eccentrically displaced, and are not opposite, and the material discharging speed can be reduced; guard rails are arranged on the front side and the rear side of the fixed base 811, a connecting rod is arranged between the two guard rails, and the telescopic motor 821 is also arranged on the guard rail on one side.
The device also comprises a receiving barrel 9, wherein the receiving barrel 9 is arranged at the lower side of the nozzle 4, and the receiving barrel 9 is connected with the charging barrel 2 through a connecting structure 91. When the nozzle 4 injects the plasticized material into the molding cavity, part of the plasticized material flows out of the nozzle 4, and the material receiving bucket 9 is arranged to uniformly store and process the flowing material, so that the machine is more attractive and more convenient to clean. The connecting structure 91 comprises a hook body 911, a hook groove is formed in the charging barrel 2, the hook body 911 is arranged on the receiving barrel 9, or the hook body 911 is arranged on the charging barrel 2, and the hook groove is arranged on the receiving barrel 9; the hook groove is provided with a hook body 911 for hooking the receiving bucket 9 and the hook groove. So that the connection and the disassembly of the charging barrel 2 and the receiving barrel 9 are more convenient, and the leaked materials are more convenient to process. The inner cross section of the receiving barrel 9 is arranged in a semicircular shape.
In this embodiment, connect storage bucket 9 for the square type hits, and its inside is provided with an curved material that connects, connects the one end of material platform to be located the below of nozzle 4, and it sets up to the flow of the plasticization material that the arc can more conveniently flow, more conveniently stores it. One end of the receiving barrel 9, which is close to the nozzle 4, is connected to the fixed die in a bolt connection mode.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the technical principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (8)
- An injection mechanism of an EVA injection molding machine comprises an injection seat (1);the charging barrel (2) is arranged on the injection seat (1), and a screw rod (3) is arranged in an inner accommodating cavity of the charging barrel (2); the front end of the charging barrel (2) is provided with a nozzle (4);the power unit (5) is arranged on one side of the charging barrel (2) and used for driving the screw (3) to rotate;the piston unit (6) is arranged on one side of the power unit (5) and used for driving the screw rod (3) to move in the inner containing cavity of the charging barrel (2);the feeding device is characterized by further comprising a feeding funnel (7), wherein the inner cavity of the feeding funnel (7) is communicated with the inner containing cavity of the charging barrel (2), and an adjusting device (8) for adjusting the feeding speed is arranged between the lower side of the feeding funnel (7) and the charging barrel (2);the adjusting device (8) comprises a sliding part (81) and a driving part (82), the sliding part (81) is arranged above the injection seat (1), and the feeding funnel (7) is connected with the sliding part (81) and used for driving the feeding funnel to slide along the injection seat (1); the driving part (82) is connected with the sliding part (81) for driving the sliding part (81) to move.
- 2. Injection mechanism of an EVA injection moulding machine according to claim 1, further comprising a receiving barrel (9), the receiving barrel (9) being provided at the underside of the nozzle (4), the receiving barrel (9) being connected to the barrel (2) by a connection structure (91).
- 3. Injection mechanism of an EVA injection molding machine according to claim 1, characterised in that the sliding part (81) comprises a fixed base (811) and a sliding sleeve (812), the fixed base (811) is provided on the injection base (1), the sliding sleeve (812) is sleeved on the connecting rod of the fixed base (811), the sliding sleeve (812) is slidably connected with the connecting rod of the fixed base (811), and the sliding sleeve (812) is connected with the feed hopper (7).
- 4. An injection mechanism of an EVA injection molding machine according to claim 3, characterised in that the driving part (82) is a telescopic motor (821), the telescopic motor (821) is provided on the injection seat (1), and a telescopic rod of the telescopic motor (821) is connected with the sliding sleeve (812) and drives it to slide along a connecting rod of the fixed base (811).
- 5. The injection mechanism of the EVA injection molding machine according to claim 4, characterized in that a connecting rod is provided at the front end of the telescopic rod of the telescopic motor (821), and the connecting rod connects the sliding sleeve (812) and the telescopic rod of the telescopic motor (821).
- 6. Injection mechanism of an EVA injection molding machine according to claim 4, characterised in that both sides of the feed hopper (7) are provided with electromagnetic switches (83), the electromagnetic switches (83) being connected with the telescopic motor (821).
- 7. Injection mechanism of an EVA injection molding machine according to claim 2, characterized in that the connection structure (91) comprises a hook body (911), a hook groove is formed on the charging barrel (2), the hook body (911) is arranged on the charging barrel (9), or the hook body (911) is arranged on the charging barrel (2), and the hook groove is arranged on the charging barrel (9); the hook groove is used for the hook body (911) to hook and connect the receiving barrel (9) with the hook groove.
- 8. Injection mechanism of an EVA injection molding machine according to claim 2, characterised in that the internal cross section of the receiving barrel (9) is arranged in a semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321503758.8U CN220075467U (en) | 2023-06-13 | 2023-06-13 | Injection mechanism of EVA injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321503758.8U CN220075467U (en) | 2023-06-13 | 2023-06-13 | Injection mechanism of EVA injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220075467U true CN220075467U (en) | 2023-11-24 |
Family
ID=88819455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321503758.8U Active CN220075467U (en) | 2023-06-13 | 2023-06-13 | Injection mechanism of EVA injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220075467U (en) |
-
2023
- 2023-06-13 CN CN202321503758.8U patent/CN220075467U/en active Active
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