CN210390008U - Muzzle structure of injection gun of injection molding machine - Google Patents
Muzzle structure of injection gun of injection molding machine Download PDFInfo
- Publication number
- CN210390008U CN210390008U CN201921217495.8U CN201921217495U CN210390008U CN 210390008 U CN210390008 U CN 210390008U CN 201921217495 U CN201921217495 U CN 201921217495U CN 210390008 U CN210390008 U CN 210390008U
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- hopper
- discharge
- material cavity
- injection
- gun
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Abstract
The utility model discloses a muzzle structure of an injection gun of an injection molding machine, wherein a material cavity is arranged coaxially in a gun barrel, one end of the gun barrel is provided with a discharge hole communicated with the material cavity coaxially, the inner wall of the discharge hole and one end facing the material cavity are provided with a discharge hopper, one end of the discharge hopper facing the material cavity is flush with one end of the discharge hole facing the material cavity, and the inner diameter of one end of the discharge hopper facing the material cavity is larger than that of a discharge hole opposite to one end of the material cavity; the conical surface of the inner wall of the discharge hopper is matched with the conical surface of a material ejection head at the front end of a core rod of the injection gun. According to the structure, the utility model discloses a muzzle structure of injection gun of injection molding machine, the effect through going out the hopper not only can guarantee to expect the melting material of intracavity and can ejection of compact smoothly, can also make the melting material of material intracavity and the material complete separation in the discharge hole after the ejection of compact moreover, avoid the adhesion of material and influence production.
Description
Technical Field
The utility model relates to a technical field of injection gun of injection molding machine, concretely relates to muzzle structure of injection gun of injection molding machine.
Background
The injection moulding machine is similar to the injection syringe for injection, and is a technological process in which the plasticized plastic in a molten state (i.e. viscous state) is injected into a closed mould cavity by means of the thrust of a screw (or a plunger), and the product is obtained after solidification and shaping. The equipment volume of injection molding machine is great relatively, and equipment weight is great, and in the equipment use, to the levelness requirement of equipment very high moreover. Therefore, when the injection molding machine is installed and placed, the injection molding machine needs to be kept horizontal through the adjustment of the ground feet.
The injection molding machine is through the injection gun with the granule material heat melt back extrude the mould in then the cooling solidify the shaping, present injection gun is when injecting out the material, can't accomplish the material of discharge opening and the material of injection gun inner feed chamber separate completely to lead to moulding plastics refrigerated injection molding can with the melting material of adhesion discharge opening position department in the unloading, and general injection gun when the ejection of compact is ended, the discharge opening still with the inside intercommunication of material chamber, will lead to the injection molding to also take out the melting material of material intracavity portion. Not only leads to the waste of material, but also the melting material adhered on the injection molding piece can pollute equipment, the twenty injection molding pieces adhered on the injection molding piece are scrapped, and even operators can be scalded.
Disclosure of Invention
The utility model aims to provide a: the defects of the prior art are overcome, and the muzzle structure of the injection gun of the injection molding machine is provided, so that the molten material in the material cavity can be discharged smoothly under the action of the discharge hopper, and the molten material in the material cavity can be completely separated from the material in the discharge hole after the discharge is finished, so that the production is prevented from being influenced by adhesion of the materials; the discharging efficiency of the discharging hopper can be ensured through the through hole arranged on the discharging hopper, and the influence on the discharging efficiency caused by the over-small diameter of the discharging port is avoided; through the action of the conical surface and the guide chute, the molten materials in the material cavity can enter the discharge hopper more conveniently, and the discharge efficiency is improved; through the through-hole that corresponds on the generating line at the junction place of baffle box and play hopper, so the leading-in melting material of baffle box of being more convenient for passes through out the hopper fast, has further improved discharging efficiency.
The utility model adopts the technical proposal that:
a muzzle structure of an injection gun of an injection molding machine comprises a gun barrel, wherein a material cavity is coaxially arranged in the gun barrel, one end of the gun barrel is coaxially provided with a discharge hole communicated with the material cavity, the inner wall of the discharge hole and one end facing the material cavity are provided with discharge hoppers, one end of each discharge hopper facing the material cavity is flush with one end of each discharge hole facing the material cavity, and the inner diameter of one end of each discharge hopper facing the material cavity is larger than that of a discharge hole opposite to one end of the material cavity; the conical surface of the inner wall of the discharge hopper is matched with the conical surface of a material ejection head at the front end of a core rod of the injection gun.
The utility model discloses the further improvement is, still be equipped with a plurality of through-holes on going out the hopper, the through-hole will go out the inboard of hopper and the outside intercommunication that goes out the hopper.
The utility model discloses a further improvement scheme is, the inner wall that the material chamber corresponds to the terminal surface of discharge opening one side is the conical surface to the tapering of conical surface is greater than the tapering of hopper.
The utility model discloses a further improvement scheme is, conical surface evenly is equipped with many baffle boxes, intercommunication in baffle box and the play hopper.
The utility model discloses a further improvement scheme is, the baffle box sets up along the generating line of the conical surface.
The utility model discloses further improve the scheme and be, correspond on the generating line at the junction place of baffle box and play hopper and be equipped with the through-hole.
The beneficial effects of the utility model reside in that:
first, the utility model discloses a muzzle structure of injection gun of injection molding machine, the effect through going out the hopper not only can guarantee that the melting material of material intracavity can the ejection of compact smoothly, can also make the melting material of material intracavity and the material complete separation in the discharge hole after the ejection of compact moreover, avoid the adhesion of material and influence production.
Second, the utility model discloses a muzzle structure of injection gun of injection molding machine can guarantee the discharging efficiency of play hopper through the through-hole that the play hopper established, avoids influencing discharging efficiency because the diameter undersize of discharge gate.
Third, the utility model discloses a muzzle structure of injection gun of injection molding machine, through the effect of conical surface and baffle box to more be favorable to the melting material of material intracavity to concentrate and get into out the hopper fast, improved discharging efficiency.
Fourth, the utility model discloses a muzzle structure of injection gun of injection molding machine corresponds on the generating line at junction place through baffle box and play hopper and is equipped with the through-hole, so the leading-in melting material of the baffle box of being more convenient for passes through out the hopper fast, has further improved discharging efficiency.
Description of the drawings:
fig. 1 is a front cross-sectional view of the present application.
The specific implementation mode is as follows:
as shown in fig. 1, the muzzle structure of an injection gun of an injection molding machine of the present invention comprises a barrel 1, a material cavity 2 is coaxially disposed in the barrel 1, a discharge hole 3 communicated with the material cavity 2 is coaxially disposed at one end of the barrel 1, a discharge hopper 6 is disposed on an inner wall of the discharge hole 3 and at an end facing the material cavity 2, one end of the discharge hopper 6 facing the material cavity 2 is flush with an end of the discharge hole 3 facing the material cavity 2, and an inner diameter of an end of the discharge hopper 6 facing the material cavity 2 is larger than an inner diameter of a discharge hole 7 facing away from an end of the material cavity 2; the conical surface of the inner wall of the discharge hopper 6 is matched with the conical surface of a material ejection head at the front end of a core rod of the injection gun.
Still be equipped with a plurality of through-holes 8 on the play hopper 6, through-hole 8 communicates the inboard of going out hopper 6 and the outside of going out hopper 6.
The inner wall of the end surface of the material cavity 2 corresponding to one side of the discharge hole 3 is a conical surface 4, and the taper of the conical surface 4 is greater than that of the discharge hopper 6.
The surface of the conical surface 4 is uniformly provided with a plurality of guide chutes 5, and the guide chutes 5 are communicated with the discharge hopper 6.
The material guide grooves 5 are arranged along the generatrix of the conical surface 4.
And a through hole 8 is correspondingly arranged on a bus at the joint of the guide chute 5 and the discharge hopper 6.
When the material extruding device is used, when a core rod in a material cavity 2 of a gun barrel 1 of an injection gun pushes forwards to extrude materials, molten materials in the material cavity 2 move to one side of a discharge hole 3, and when the molten materials meet a guide chute 5, the molten materials quickly and intensively enter a discharge hopper 6 along the guide chute 5, smoothly enter the discharge hole 3 through a discharge hole 7 and a through hole 8 and are discharged from the discharge hole 3; when the liftout head of core bar front end and the laminating of play hopper 6, the liftout head realizes the complete separation with the melting of the hopper of discharge opening 3 with the melting of material intracavity.
Claims (6)
1. The utility model provides a muzzle structure of injection gun of injection molding machine which characterized in that: the gun barrel comprises a gun barrel (1), a material cavity (2) is coaxially arranged in the gun barrel (1), a discharge hole (3) communicated with the material cavity (2) is coaxially arranged at one end of the gun barrel (1), a discharge hopper (6) is arranged on the inner wall of the discharge hole (3) and at one end facing the material cavity (2), one end of the discharge hopper (6) facing the material cavity (2) is flush with one end of the discharge hole (3) facing the material cavity (2), and the inner diameter of one end of the discharge hopper (6) facing the material cavity (2) is larger than that of a discharge hole (7) at one end opposite to the material cavity (2); the conical surface of the inner wall of the discharge hopper (6) is matched with the conical surface of a material ejection head at the front end of a core rod of the injection gun.
2. The muzzle structure of an injection gun of an injection molding machine according to claim 1, wherein: the discharging hopper (6) is further provided with a plurality of through holes (8), and the inner side of the discharging hopper (6) is communicated with the outer side of the discharging hopper (6) through the through holes (8).
3. The muzzle structure of an injection gun of an injection molding machine according to claim 1, wherein: the inner wall of the end face of the material cavity (2) corresponding to one side of the discharge hole (3) is a conical surface (4), and the taper of the conical surface (4) is greater than that of the discharge hopper (6).
4. The muzzle structure of an injection gun of an injection molding machine according to claim 3, wherein: the surface of the conical surface (4) is uniformly provided with a plurality of guide chutes (5), and the guide chutes (5) are communicated with the discharge hopper (6).
5. The muzzle structure of an injection gun of an injection molding machine according to claim 4, wherein: the guide chute (5) is arranged along a generatrix of the conical surface (4).
6. The muzzle structure of an injection gun of an injection molding machine according to claim 4, wherein: still be equipped with a plurality of through-holes (8) on the play hopper (6), through-hole (8) are with the inboard of going out hopper (6) and the outside intercommunication of going out hopper (6) to correspond on the generating line at the junction place of baffle box (5) and play hopper (6) and be equipped with through-hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921217495.8U CN210390008U (en) | 2019-07-31 | 2019-07-31 | Muzzle structure of injection gun of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921217495.8U CN210390008U (en) | 2019-07-31 | 2019-07-31 | Muzzle structure of injection gun of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210390008U true CN210390008U (en) | 2020-04-24 |
Family
ID=70357363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921217495.8U Active CN210390008U (en) | 2019-07-31 | 2019-07-31 | Muzzle structure of injection gun of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210390008U (en) |
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2019
- 2019-07-31 CN CN201921217495.8U patent/CN210390008U/en active Active
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