CN213733345U

CN213733345U - Blowing machine bush structure convenient to dismouting

Info

Publication number: CN213733345U
Application number: CN202121402228.5U
Authority: CN
Inventors: 于锐聪; 于军
Original assignee: Shenyang Shengda Plastic Products Co ltd
Current assignee: Shenyang Shengda Plastic Products Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-07-20
Anticipated expiration: 2031-06-23

Abstract

The utility model relates to the technical field of blow molding machines, in particular to a neck ring mold structure of a blow molding machine convenient to disassemble and assemble, which comprises a neck ring mold body sleeved outside a discharging pipe, wherein the outer peripheral wall of the discharging pipe is provided with a sliding groove distributed along the length direction of the discharging pipe, the inner peripheral wall of the neck ring mold body is provided with a sliding key matched with the sliding groove, and the sliding key is embedded in the sliding groove; the periphery wall of discharging pipe has been seted up and has been the embedded groove of annular form, and the tip of bush body is equipped with a plurality of extensions, and the extension is equipped with the fixture block with embedded groove looks adaptation towards the one side of discharging pipe, and the outside cover of bush body is equipped with the axle sleeve, threaded connection between axle sleeve and the bush body. The utility model discloses a feather key cooperates with the spout, utilizes the fixture block to imbed to embedded groove in simultaneously, consequently can improve the stability that bush body and discharging pipe are connected, avoids taking place to rock at ejection of compact in-process bush body.

Description

Blowing machine bush structure convenient to dismouting

Technical Field

The utility model relates to a blowing machine technical field specifically is a blowing machine bush structure convenient to dismouting.

Background

A blow molding machine is a plastic processing machine that ejects liquid plastic and blows the plastic into a mold cavity of a predetermined shape by the wind force of the machine to produce a product, and is called a blow molding machine. The plastic is melted in a screw extruder and extruded quantitatively, then the plastic is formed through a mouth film, an air ring is used for blowing and cooling, then a tractor is used for drawing at a certain speed, and a winding machine is used for winding the plastic into a coil.

At present, the neck ring mold of the blow molding machine is usually fixedly arranged on the discharge pipe, and the neck ring mold is troublesome and time-consuming to disassemble, so that the neck ring mold of the blow molding machine which is convenient to disassemble is particularly important. Among the prior art, utility model that publication number is CN211566924U provides a novel blowing machine die mechanism, and this utility model imbeds to the draw-in groove in through two kellies for the position of fixed bush body and blowing machine discharging pipe. However, because the gap between the discharging pipe of the blow molding machine and the inner wall of the die body is large, the die body is unstable, and particularly in the using process, the position of the die body is limited only by two clamping rods, so that the die body is inevitably shaken left and right. Therefore, a blowing machine die structure convenient to disassemble and assemble is provided to well solve the defects.

Disclosure of Invention

An object of the utility model is to provide a blowing machine bush structure convenient to dismouting for in easy dismounting, improve the stability of blowing machine bush, solved the easy problem that takes place to rock of blowing machine bush.

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

a blowing machine bush structure convenient to disassemble and assemble comprises a bush body sleeved outside a discharge pipe, wherein the outer peripheral wall of the discharge pipe is provided with sliding grooves distributed along the length direction of the discharge pipe, the inner peripheral wall of the bush body is provided with a sliding key matched with the sliding grooves, and the sliding key is embedded in the sliding grooves;

the improved mouth mold comprises a mouth mold body and is characterized in that an annular embedded groove is formed in the peripheral wall of the discharge pipe, a plurality of extending portions are arranged at the end portion of the mouth mold body, a clamping block matched with the embedded groove is arranged on one side, facing the discharge pipe, of each extending portion, a shaft sleeve is sleeved outside the mouth mold body, and the shaft sleeve is in threaded connection with the mouth mold body.

Preferably, the outer peripheral wall of the die body is fixedly sleeved with a retainer, the retainer covers the outer side of the shaft sleeve, two insertion rods penetrate through the side wall of the retainer, and guide grooves matched with the insertion rods are formed in the outer surface of the shaft sleeve.

Preferably, the outside cover of inserted bar is equipped with reset spring, reset spring's both ends are connected with the surface of holder and the outer end inner edge of inserted bar respectively.

Preferably, the outer surface of the die body is provided with external threads, and the inner surface of the shaft sleeve is provided with internal threads matched with the external threads.

Preferably, one end, far away from the extending portion, of the fixture block is an arc surface, and the outer surface of the extending portion is flush with the outer surface of the die body.

Compared with the prior art, the utility model provides a blowing machine bush structure convenient to dismouting possesses following beneficial effect:

1. the utility model discloses a sliding key cooperates with the spout, utilizes the fixture block to imbed in the embedded groove simultaneously, therefore can improve the stability that bush body and discharging pipe are connected, avoids the bush body to take place to rock in the discharging process;

2. the utility model discloses a rotatory axle sleeve can fix the bush body, relatively speaking, and easy operation, convenience help saving the required time of dismouting blowing machine bush.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

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

In the figure: 1. a discharge pipe; 2. a die body; 3. a chute; 4. a sliding key; 5. an extension portion; 6. a clamping block; 7. a shaft sleeve; 8. an embedded groove is formed; 9. a holder; 10. inserting a rod; 11. a guide groove; 12. a return spring.

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.

Example (b): referring to fig. 1-3, a conveniently detachable neck ring mold structure of a blow molding machine comprises a neck ring mold body 2 sleeved outside a discharge pipe 1, wherein the outer peripheral wall of the discharge pipe 1 is provided with sliding grooves 3 distributed along the length direction of the discharge pipe 1, the inner peripheral wall of the neck ring mold body 2 is provided with sliding keys 4 matched with the sliding grooves 3, the sliding keys 4 are embedded in the sliding grooves 3, and the sliding keys 4 are used for improving the connection stability of the discharge pipe 1 and the neck ring mold body 2 and preventing the neck ring mold body 2 from shaking left and right; inner embedded groove 8 that is the annular form is seted up to the periphery wall of discharging pipe 1, the tip of bush body 2 is equipped with a plurality of extension 5, extension 5 and bush body 2 integrated into one piece, and the surface of extension 5 and the surface parallel and level of bush body 2, extension 5 is equipped with the fixture block 6 with inner embedded groove 8 looks adaptation towards the one side of discharging pipe 1, the one end that extension 5 was kept away from to fixture block 6 is the arc surface, after in fixture block 6 imbeds to inner embedded groove 8, then the position of bush body 2 is fixed, only with power pulling bush body 2, make extension 5 upwarp, just enable fixture block 6 and break away from in inner embedded groove 8.

The outside cover of bush body 2 is equipped with axle sleeve 7, threaded connection between axle sleeve 7 and the bush body 2, and the surface of bush body 2 is equipped with the external screw thread, and the internal surface of axle sleeve 7 is equipped with the internal thread with external screw thread looks adaptation, because the one end of axle sleeve 7 covers outside extension 5, consequently can avoid extension 5 to upwarp, avoids bush body 2 to drop from discharging pipe 1 promptly. The outer peripheral wall of the die body 2 is fixedly sleeved with a retainer 9, the retainer 9 and the die body 2 are welded and fixed, the retainer 9 covers the outer side of the shaft sleeve 7, two insert rods 10 penetrate through the side wall of the retainer 9, and a guide groove 11 matched with the insert rods 10 is formed in the outer surface of the shaft sleeve 7 and is used for locking the shaft sleeve 7 to prevent the shaft sleeve 7 from moving under an artificial condition; the outer portion of the inserted link 10 is sleeved with a return spring 12, two ends of the return spring 12 are respectively connected with the outer surface of the retainer 9 and the outer end inner edge of the inserted link 10, and the return spring 12 is always in a stretching state, so that the return spring 12 has a pulling acting force on the inserted link 10, the inner end of the inserted link 10 is tightly inserted into the guide groove 11, and the shaft sleeve 7 is prevented from loosening.

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 blowing machine bush structure convenient to dismouting, establishes bush body (2) at discharging pipe (1) outside including the cover, its characterized in that: the outer peripheral wall of the discharge pipe (1) is provided with sliding grooves (3) distributed along the length direction of the discharge pipe (1), the inner peripheral wall of the die body (2) is provided with sliding keys (4) matched with the sliding grooves (3), and the sliding keys (4) are embedded in the sliding grooves (3);

the improved mouth ring is characterized in that an inner embedded groove (8) which is annular is formed in the outer peripheral wall of the discharging pipe (1), a plurality of extending portions (5) are arranged at the end portion of the mouth ring body (2), a clamping block (6) matched with the inner embedded groove (8) is arranged on one side, facing the discharging pipe (1), of each extending portion (5), a shaft sleeve (7) is sleeved on the outer portion of the mouth ring body (2), and the shaft sleeve (7) is in threaded connection with the mouth ring body (2).

2. The easy-to-disassemble and assemble blow molding machine die structure according to claim 1, wherein: the die is characterized in that a retainer (9) is fixedly sleeved on the outer peripheral wall of the die body (2), the retainer (9) covers the outer side of the shaft sleeve (7), two inserting rods (10) penetrate through the side wall of the retainer (9), and guide grooves (11) matched with the inserting rods (10) are formed in the outer surface of the shaft sleeve (7).

3. The easy-to-disassemble and assemble blow molding machine die structure according to claim 2, wherein: the outside cover of inserted bar (10) is equipped with reset spring (12), reset spring (12)'s both ends are connected with the surface of holder (9) and the outer end of inserted bar (10) interior edge respectively.

4. The easy-to-disassemble and assemble blow molding machine die structure according to claim 1, wherein: the outer surface of the die body (2) is provided with external threads, and the inner surface of the shaft sleeve (7) is provided with internal threads matched with the external threads.

5. The easy-to-disassemble and assemble blow molding machine die structure according to claim 1, wherein: one end, far away from the extension portion (5), of the clamping block (6) is an arc surface, and the outer surface of the extension portion (5) is flush with the outer surface of the die body (2).