CN212666640U

CN212666640U - Adjustable extrusion die

Info

Publication number: CN212666640U
Application number: CN202021027447.5U
Authority: CN
Inventors: 李朝晖
Original assignee: Ningbo Changqi Micro Filtering Film Technology Co ltd
Current assignee: Ningbo Changqi Micro Filtering Film Technology Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-03-09
Anticipated expiration: 2030-06-05

Abstract

The utility model relates to an adjustable extrusion die, which relates to the technical field of forming dies and comprises a neck ring die, wherein the neck ring die is arranged at one end of a material cylinder, one end of the material cylinder, which is close to the neck ring die, is provided with a conical interface, the neck ring die is also provided with an adjusting sheet and an adjusting component, a through hole is arranged in the neck ring die, the adjusting sheet is arranged in the through hole and extends out of the through hole and is far away from one end of the conical interface, the adjusting sheet is in closed loop arrangement, one end of the neck ring, which is far away from the conical interface, is integrally provided with a connecting ring, the adjusting component comprises at least two bolts, the connecting ring is provided with first threaded holes which are in one-to-one correspondence with the bolts, the first threaded holes are arranged along the circumferential direction of the connecting ring, the bolts are in threaded connection with the first threaded, the use is convenient.

Description

Adjustable extrusion die

Technical Field

The utility model belongs to the technical field of forming die's technique and specifically relates to an adjustable extrusion tooling is related to.

Background

The mould is a tool for forming articles, the tool is composed of various parts, different moulds are composed of different parts, the processing of the appearance of the articles is realized by changing the physical state of the formed material, and the extrusion mould belongs to one of forming moulds and is widely applied to preliminarily formed material pieces.

Referring to fig. 6, the existing extrusion mold is installed at one end of a material cylinder 1 and comprises a die 3, the material cylinder 1 is cylindrical, one end of the material cylinder 1 close to the die 3 is provided with a conical interface 2, the die 3 is in threaded connection with the lower end of the conical interface 2, the die 3 is provided with an extrusion opening 35, an injection molding raw material is smoothly transited into the die 3 from the material cylinder 1 through the extrusion screw rod via the conical interface 2 and is extruded from the extrusion opening 35, a blank is processed, and an operator processes the blank to produce a corresponding product.

The above prior art solutions have the following drawbacks: when processing blanks with different diameters, the method needs to replace the neck molds with extrusion ports with different diameters, has complex operation, inconvenient implementation and has room for improvement.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an adjustable extrusion tooling, when extruding the blank of different diameters, need not to change the bush that has different diameters and extrude the mouth, easy operation, convenient to use.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an adjustable extrusion die, includes the bush, the bush is installed in the one end of feed cylinder, the one end that the feed cylinder is close to the bush is equipped with the tapered interface, still includes adjustment sheet and adjusting part, be equipped with in the bush and wear to establish the hole, the adjustment sheet wears to locate and wears to establish downthehole and extend the one end of wearing to establish the hole and keeping away from the tapered interface, the adjustment sheet is closed loop setting, the bush is kept away from the one end an organic whole of tapered interface and is equipped with the go-between, adjusting part includes two at least bolts, set up the first screw hole with the bolt one-to-one on the go-between, the circumference setting of go-between is followed to first screw hole, bolt and first screw hole threaded connection, the double-screw bolt.

Through adopting above-mentioned technical scheme, when the raw materials need be processed into the blank of different diameters, adjusting bolt, bolt extrusion perhaps loosened the adjustment sheet for the adjustment sheet rolls, thereby changes the size that the adjustment sheet formed the bore of moulding plastics, makes the blank diameter of extruding different, and need not to change the bush that has different diameters and extrude the mouth, easy operation, convenient to use.

The present invention may be further configured in a preferred embodiment as: the adjusting assembly further comprises an extrusion sheet fixed on the stud of the bolt, and the extrusion sheet is abutted to the outer side wall of the adjusting sheet.

By adopting the technical scheme, the extrusion piece is abutted to the outer side wall of the adjusting piece, the contact area of the bolt and the adjusting piece is increased, when the diameter of the adjusting piece is adjusted, the adjusting piece is closer to a circular ring shape, and the inner diameter adjusting efficiency of the adjusting piece is improved.

The present invention may be further configured in a preferred embodiment as: the outer side wall of the adjusting sheet is provided with a sliding groove, the sliding groove is perpendicular to the axis direction of the adjusting sheet, and the extrusion sheet is embedded in the sliding groove and is connected with the adjusting sheet in a rotating mode.

Through adopting above-mentioned technical scheme, the extrusion piece rotates to be connected in the inslot that slides and connect in the inslot that slides for extrusion piece and the groove synchronous movement that slides, when the adjustment sheet diameter need increase, the extrusion piece is kept away from the direction of centre of a circle to the go-between and is removed, drives the adjustment sheet and stretches out outward in step.

The present invention may be further configured in a preferred embodiment as: the adjusting sheet is provided with a conical interface, and the conical interface is provided with a conical opening.

Through adopting above-mentioned technical scheme, the setting of baffle, the guide raw materials is extruded from the downthehole of moulding plastics that the adjustment sheet formed for raw materials is difficult to flow in the gap between wear to establish hole and the adjustment sheet in the feed cylinder, has reduced the waste of raw materials, has improved the rate of utilization of raw materials.

The present invention may be further configured in a preferred embodiment as: one side of the neck ring mould close to the conical interface is provided with a sealing gasket, the sealing gasket is arranged between the baffle and the neck ring mould, one end of the sealing gasket is abutted against one side of the baffle close to the neck ring mould, and the other end of the sealing gasket is abutted against one side of the neck ring mould close to the conical interface.

Through adopting above-mentioned technical scheme, realize sealed through sealed the pad between baffle and the bush, prevent that the raw materials in the feed cylinder from flowing into the gap between wear to establish hole and the adjustment sheet, increased the leakproofness between baffle and the bush, further reduced the waste of raw materials, further improved the availability factor of raw materials.

The present invention may be further configured in a preferred embodiment as: and a second threaded hole is formed in the outer side wall of the neck ring mold, an adjusting bolt is connected in the second threaded hole in a threaded manner, and one end of the adjusting bolt is abutted against the outer side wall of the adjusting sheet.

By adopting the technical scheme, the adjusting bolt is abutted to the adjusting sheet, so that the upper diameter and the lower diameter of the adjusting sheet are consistent when the adjusting sheet is extruded by the bolt far away from one side of the tapered interface, the blank is uniformly discharged when being extruded by the adjusting sheet, the tightness of the blank is improved, and the quality of the blank extrusion is improved.

The present invention may be further configured in a preferred embodiment as: fixedly connected with blotter in the mouth mould, the blotter inlays and locates in the wearing and establishing hole.

Through adopting above-mentioned technical scheme, the setting of blotter for the adjustment sheet reduces the removal end of adjustment sheet and the friction of wearing to establish the hole lateral wall when adjusting, reduces the wearing and tearing of adjustment sheet, makes the adjustment sheet need adjust the diameter that forms more accurate.

The present invention may be further configured in a preferred embodiment as: and a stirring sheet is fixed on one side of the adjusting sheet far away from the conical interface.

Through adopting above-mentioned technical scheme, the setting of setting aside the piece has increased the area of gripping of adjustment sheet for when adjusting the extrusion bore of adjustment sheet, can adjust the size of extrusion bore of adjustment sheet through stirring earlier and stir the piece, rotatory bolt extrusion location again makes during the rotatory bolt light more, has improved the adjustment efficiency that the bore was extruded to the adjustment sheet.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the blanks with different diameters are extruded, the neck ring dies with the extrusion ports with different diameters do not need to be replaced, the operation is simple, and the use is convenient;

2. the arrangement of the baffle plate guides the raw materials to be extruded out of the injection holes formed by the adjusting sheets, so that the raw materials in the charging barrel are not easy to flow out through gaps between the through holes and the adjusting sheets, the waste of the raw materials is reduced, and the utilization rate of the raw materials is improved;

3. the stirring sheet increases the holding area of the regulating sheet, so that when the extruding caliber of the regulating sheet is regulated, the regulating sheet can be regulated to extrude the caliber through stirring the stirring sheet firstly, and then the bolt is rotated to extrude and position, so that the bolt is rotated more easily, and the regulating efficiency of the extruding caliber of the regulating sheet is improved.

Drawings

Fig. 1 is a schematic diagram of an adjustable extrusion die.

FIG. 2 is a schematic half-section view of an adjustable extrusion die.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic view of the structure of the adjustment flap.

FIG. 5 is a schematic half-section view of the die, adjusting bolt and connecting ring.

Fig. 6 is a schematic diagram of a prior art structure.

In the figure, 1, a cartridge; 2. a tapered interface; 3. a neck ring mold; 31. perforating holes; 311. a cushion pad; 32. a connecting ring; 321. a first threaded hole; 33. a second threaded hole; 34. adjusting the bolt; 35. an extrusion port; 4. a regulating sheet; 41. a baffle plate; 411. a gasket; 42. a sliding groove; 43. a baffle plate; 5. an adjustment assembly; 51. a bolt; 52. and (5) extruding the sheet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, in order to the utility model discloses an adjustable extrusion die, including bush 3, adjusting plate 4 and adjusting part 5, taper type interface 2 is fixedly connected to one end of feed cylinder 1, the end of taper type interface 2 far away from feed cylinder 1 can be dismantled and be connected with bush 3, adjusting plate 4 is fixedly connected in bush 3; set up the through hole 31 in the bush 3, in the through hole 31 was worn to locate by adjusting plate 4, the one end that the taper type interface 2 was kept away from to bush 3 had go-between 32, and on adjusting part 5 located go-between 32, adjusting part 5 was used for adjusting the diameter size of the extrusion opening that adjusting plate 4 formed.

Referring to fig. 2 and 3, the adjusting assembly 5 includes a bolt 51 and a pressing plate 52 fixedly connected to the bolt 51, the connecting ring 32 is provided with at least three first threaded holes 321, the bolts 51 are correspondingly and threadedly connected to the first threaded holes 321, the pressing plate 52 is disposed in a pie shape, and when being installed, the bolt 51 is firstly screwed into the first threaded hole 321, then the extrusion sheet 52 is welded at one end of the bolt 51 close to the adjustment sheet 4, the extrusion sheet 52 is abutted against the adjustment sheet 4, the side of the adjustment sheet 4 close to the connecting ring 32 is provided with a sliding groove 42, the sliding groove 42 is vertical to the axial direction of the adjustment sheet 4, the extrusion sheet 52 is rotatably connected in the sliding groove 42, when the diameter of an extrusion opening formed by the adjustment sheet 4 is adjusted, the rotating bolt 51 moves towards or away from the axis direction of the adjusting sheet 4, and the pressing sheet 52 drives the adjusting sheet 4 to move synchronously, so that the adjusting sheet 4 contracts or expands to a required diameter.

Referring to fig. 2 and 4, a baffle 41 is arranged on one side of the adjusting sheet 4 close to the tapered interface 2, a sealing gasket 411 is arranged between the baffle 41 and the neck mold 3, the sealing gasket 411 is made of polyvinyl chloride, one end of the sealing gasket 411 abuts against one side of the baffle 41 close to the neck mold 3, the other end of the sealing gasket 411 abuts against one side of the neck mold 3 close to the tapered interface 2, and the gap between the neck mold 3 and the baffle 41 is sealed, so that raw materials are not easy to flow out from the gap between the through hole 31 and the adjusting sheet 4; one side fixedly connected with of conical interface 2 is kept away from to adjustment flap 4 dials rotor 43, dials rotor 43 and has increased the area of gripping of adjustment flap 4 for when adjusting the extrusion bore of adjustment flap 4, can adjust the size of the extrusion bore of adjustment flap 4 through stirring rotor 43 earlier.

Referring to fig. 2 and 5, a second threaded hole 33 is formed in the die 3, an adjusting bolt 34 is connected to the second threaded hole 33 in an internal thread mode, the adjusting bolt 34 abuts against the outer side wall of the adjusting plate 4, and the adjusting bolt 34 is rotated to enable the adjusting bolt 34 to push the adjusting plate 4 to move towards the axial direction close to the through hole 31, so that the diameters of the adjusting plate 4 are kept consistent; the embedded blotter 311 that is equipped with of through-hole 31, the lateral wall fixed connection of blotter 311 and through-hole 31, the material of blotter 311 is polyvinyl chloride for the difficult attenuate because of the friction of adjustment sheet.

The implementation principle of the embodiment is as follows: when the diameter of the required blank is smaller than the existing diameter, the poking sheet 43 is firstly poked to drive the adjusting sheet 4 to be preliminarily rolled to the required diameter, the bolt 51 is rotated to enable the extruding sheet 52 to extrude the adjusting sheet 4, the adjusting sheet 4 is retracted inwards for positioning, the diameter of an extrusion opening formed by the adjusting sheet 4 is further reduced, when the extrusion opening formed in the adjusting sheet 4 is reduced to the required diameter, the adjusting bolt 34 is rotated to push the upper side of the adjusting sheet 4 to approach the circle center direction, and the diameter of the adjusting sheet 4 is kept consistent; when the required blank diameter is larger than the existing diameter, the bolt 51 is rotated outwards, the adjusting sheet 4 expands outwards under the pulling of the extrusion sheet 52, so that the diameter of the extrusion opening formed by the adjusting sheet 4 is increased, when the diameter of the extrusion opening formed in the adjusting sheet 4 is increased to the required diameter, the adjusting bolt 34 is rotated outwards, the upper side of the adjusting sheet 4 restores to the original shape under the action of self stress, and when the diameter of the adjusting sheet 4 is kept consistent.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an adjustable extrusion tooling, includes bush (3), the one end in feed cylinder (1) is installed in bush (3), the one end that feed cylinder (1) is close to bush (3) is equipped with tapered interface (2), its characterized in that: still include adjustment flap (4) and adjusting part (5), be equipped with in bush (3) and wear to establish hole (31), adjustment flap (4) wear to locate in wear to establish hole (31) and extend the one end that bores hole (31) and keep away from tapered interface (2), adjustment flap (4) are the closed loop setting, the one end an organic whole that tapered interface (2) were kept away from in bush (3) is equipped with go-between (32), adjusting part (5) include two at least bolts (51), set up first screw hole (321) with bolt (51) one-to-one on go-between (32), the circumference setting along go-between (32) of first screw hole (321), bolt (51) and first screw hole (321) threaded connection, the double-screw bolt butt of bolt (51) is on the lateral wall of adjustment flap (4).

2. An adjustable extrusion die as in claim 1, wherein: the adjusting assembly (5) further comprises a squeezing sheet (52) fixed on a stud of the bolt (51), and the squeezing sheet (52) abuts against the outer side wall of the adjusting sheet (4).

3. An adjustable extrusion die as set forth in claim 2, wherein: be equipped with on the lateral wall of adjustment sheet (4) and slide groove (42), slide groove (42) are perpendicular with the axis direction of adjustment sheet (4), extrusion piece (52) are inlayed and are located in slide groove (42) and rotate with adjustment sheet (4) and be connected.

4. An adjustable extrusion die as in claim 1, wherein: one end of the adjusting sheet (4) close to the conical interface (2) is integrally provided with a baffle (41), and the baffle (41) is abutted to one end of the neck ring mold (3) close to the conical interface (2).

5. An adjustable extrusion die as set forth in claim 4, wherein: one side of the neck ring mold (3) close to the cone-shaped interface (2) is provided with a sealing gasket (411), the sealing gasket (411) is arranged between the baffle plate (41) and the neck ring mold (3), one end of the sealing gasket (411) is abutted to one side of the baffle plate (41) close to the neck ring mold (3), and the other end of the sealing gasket (411) is abutted to one side of the neck ring mold (3) close to the cone-shaped interface (2).

6. An adjustable extrusion die as in claim 1, wherein: and a second threaded hole (33) is formed in the outer side wall of the neck ring mold (3), an adjusting bolt (34) is connected to the inner thread of the second threaded hole (33), and one end of the adjusting bolt (34) is abutted to the outer side wall of the adjusting sheet (4).

7. An adjustable extrusion die as in claim 1, wherein: a buffer pad (311) is fixedly connected in the neck ring mold (3), and the buffer pad (311) is embedded in the through hole (31).

8. An adjustable extrusion die as in claim 1, wherein: and a stirring sheet (43) is fixed on one side of the adjusting sheet (4) far away from the conical interface (2).