CN210552941U

CN210552941U - Thermoplastic polymer hollow blow molding device

Info

Publication number: CN210552941U
Application number: CN201920883119.6U
Authority: CN
Inventors: 李良钊
Original assignee: Hanshan Normal University
Current assignee: Hanshan Normal University
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-05-19
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses a thermoplastic polymer hollow blow molding device, including feeding runner pipe and ejection of compact blowing pipe, feeding runner pipe has two and all wraps the periphery at ejection of compact blowing pipe, the feed outlet has been seted up to its inboard arc edge, the feed outlet communicates the feeding runner, the peripheral cover of ejection of compact blowing pipe establishes hollow gear, the outside annular edge of hollow gear is equipped with a plurality of sign portions with ejection of compact blowing pipe's center as symmetry point symmetry, a plurality of sign portions correspond a plurality of pan feeding mouth settings that ejection of compact blowing pipe upper end was seted up, a plurality of pan feeding mouths can select to communicate the feeding outlet, and link to each other with the feeding runner based on the feeding outlet; the annular plane of tip under the cavity gear is equipped with the insection, and insection meshing adjusts the rotating gear of gear train, and rotating gear rigid coupling spline cover post is provided with compression spring in the spline housing intracavity of spline cover post, compression spring elastic connection integral key shaft, the embedded swivelling chute of one end in spline housing chamber is kept away from to the integral key shaft, rotates the bulb and drives the handle and rotate the joint in the swivelling chute.

Description

Thermoplastic polymer hollow blow molding device

Technical Field

The utility model relates to a blowing device technical field specifically is a polymer cavity blowing device is moulded to heat.

Background

The blow molding is a process in which a tubular thermoplastic plastic parison extruded from an extruder and in a softened state is placed in a mold, and then compressed air is introduced to deform the parison along the cavity by the pressure of the air, thereby blow molding a hollow article having a short neck. Blow molding is widely used to produce various hollow articles in the form of thin shells, packaging containers for chemical and daily use, toys for children, and the like. Hollow blow molding (also called blow molding) is a method of forming a hollow article by blowing a hot-melt parison closed in a mold by means of gas pressure, is the third most common plastic processing method, and is also a plastic molding method that is developed relatively rapidly.

But current cavity blowing device, the unable regulation of its ejection of compact runner's size to the thickness of the unable blowing product that changes, the suitability is wide send out inadequately, for this reason, the utility model provides a can solve the polymer cavity blowing device of heat moulding of above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polymer cavity blowing device is moulded to heat to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a thermoplastic polymer hollow blow molding device comprises a feeding runner pipe and a discharging blow molding pipe, wherein two feeding runner pipes are coated on the periphery of the discharging blow molding pipe, a feeding outlet is formed in the arc-shaped edge of the inner side of each feeding runner pipe, the feeding outlet is communicated with a feeding runner, a hollow gear is sleeved on the periphery of the discharging blow molding pipe, a plurality of identification parts are symmetrically arranged on the outer annular edge of the hollow gear by taking the center of the discharging blow molding pipe as a symmetry point, the identification parts are arranged corresponding to a plurality of feeding ports formed in the upper end part of the discharging blow molding pipe, and the feeding ports can be selectively communicated with the feeding outlet and are connected with the feeding runner based on the feeding outlet; the annular plane of tip under the cavity gear is equipped with the insection, and insection meshing adjusts the rotating gear of gear train, and rotating gear rigid coupling spline cover post is provided with compression spring in the spline housing intracavity of spline cover post, compression spring elastic connection integral key shaft, the embedded swivelling chute of one end in spline housing chamber is kept away from to the integral key shaft, rotates the bulb and drives the handle and rotate the joint in the swivelling chute.

As an optimal technical scheme, the inboard arc limit of feeding runner pipe and the pipeline looks adaptation of ejection of compact blowing pipe, and install arc suggestion piece on the position that the bottom of feeding runner pipe corresponds the feeding export.

As an optimal technical scheme, install outstanding arc piece on one side of swing gear, the arc wall of the embedded adaptation in handle in middle part of outstanding arc piece.

As an optimal technical scheme, one side of spline cover post is provided with the arc piece, and the middle part of arc piece is embedded to have the recess of adaptation in handle, and the opposite side is equipped with the arc notch of adaptation in handle, arc notch and arc wall parallel arrangement.

As an optimized technical scheme, the specification of a plurality of identification portions and a plurality of pan feeding mouth has the multiple, and multiple identification portion and multiple pan feeding mouth one-to-one.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a polymer cavity blowing device is moulded to heat through the cavity gear and the adjusting gear group that set up, can adjust ejection of compact blowing pipe ejection of compact runner's size as required to change the thickness of blowing product, extensive applicability is general.

Drawings

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

FIG. 2 is a schematic view of the structure of the adjusting gear set of the present invention;

FIG. 3 is an exploded view of the adjusting gear set of the present invention;

FIG. 4 is a connecting view of the spline housing and the spline shaft of the present invention;

FIG. 5 is a schematic view of the structure of the discharge blow molding pipe of the present invention;

fig. 6 is a schematic view of the structure of the feed channel of the present invention.

In the figure: 1. a feed runner pipe; 2. discharging and blowing the pipe; 3. a feed outlet; 4. a feed runner; 5. a hollow gear; 6. a marking part; 7. a feeding port; 8. an adjusting gear set; 9. a rotating gear; 10. a spline sleeve column; 11. a spline housing cavity; 12. a compression spring; 13. a spline shaft; 14. a rotating tank; 15. rotating the ball head; 16. a handle; 17. an arc-shaped prompting sheet; 18. projecting the arc-shaped sheet; 19. an arc-shaped slot; 20. an arc-shaped sheet; 21. a groove; 22. an arc-shaped notch.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-6, the present invention provides a technical solution: a thermoplastic polymer hollow blow molding device comprises a feeding flow channel pipe 1 and a discharging blow molding pipe 2, wherein two feeding flow channel pipes 1 are coated on the periphery of the discharging blow molding pipe 2, a feeding outlet 3 is formed in the arc-shaped edge of the inner side of each feeding flow channel pipe, the feeding outlet 3 is communicated with a feeding flow channel 4, a hollow gear 5 is sleeved on the periphery of the discharging blow molding pipe 2, a plurality of identification parts 6 are symmetrically arranged on the outer annular edge of the hollow gear 5 by taking the center of the discharging blow molding pipe 2 as a symmetry point, the identification parts 6 are arranged corresponding to a plurality of feeding ports 7 formed in the upper end part of the discharging blow molding pipe 2, and the feeding ports 7 can be selectively communicated with the feeding outlet 3 and are connected with the feeding flow channel 4 based on the feeding outlet 3; the annular plane of the lower end of the hollow gear 5 is provided with insections, the insections are meshed with a rotating gear 9 of the adjusting gear set 8, the rotating gear 9 is fixedly connected with a spline sleeve column 10, a spline sleeve cavity 11 of the spline sleeve column 10 is internally provided with a compression spring 12, the compression spring 12 is elastically connected with a spline shaft 13, one end of the spline shaft 13, which is far away from the spline sleeve cavity 11, is embedded with a rotating groove 14, and a rotating ball head 15 drives a handle 16 to rotate and be clamped in the rotating groove 14.

The inboard arc limit of feeding runner pipe 1 and ejection of compact blowing pipe 2's pipeline looks adaptation, and install arc suggestion piece 17 on the position that the bottom of feeding runner pipe 1 corresponds feedstock outlet 3, rotate hollow gear 5, can observe the 7 feed outlets 3 that feed inlet 7 on feeding runner pipe 1 of which kind of specification communicate on ejection of compact blowing pipe 2 according to 6 coincidence arc suggestion pieces 17 of identification portion to reach the mesh of adjusting ejection of compact blowing pipe 2 ejection of compact runner sizes.

Install outstanding arc piece 18 on one side of slewing gear 9, the embedded adaptation in the arc groove 19 of handle 16 in the middle part of outstanding arc piece 18, after 2 ejection of compact blowing pipe ejection of compact runners have been adjusted, slewing handle 16, aim at arc notch 22 and arc groove 19 so far, under compression spring 12's elastic action, integral key shaft 13 gos deep into spline housing 11, meanwhile handle 16 joint is in arc notch 22 and arc groove 19, play the limiting displacement, avoid the mistake to bump handle 16, the problem that causes 2 ejection of compact blowing pipe ejection of compact runners to change takes place.

Spline socle 10's one side is provided with arc piece 20, the middle part of arc piece 20 is embedded to have the recess 21 of adaptation in handle 16, the opposite side is equipped with the arc notch 22 of adaptation in handle 16, arc notch 22 and arc wall 19 parallel arrangement, when adjusting 2 ejection of compact blowing pipes discharge flow channels, the operator takes out handle 16 from arc notch 22 and arc wall 19, and outwards stimulate integral key shaft 13, afterwards, rotate handle 16 with its joint in recess 21, then operator's accessible is rotatory handle 16, drive integral key shaft 13 and spline socle 10 synchronous revolution, cause rotary gear 9 to rotate, realize that hollow gear 5 drives ejection of compact blowing pipes 2 pivoted mesh, the pan feeding mouth 7 of changing different specifications aims at feedstock outlet 3, thereby reach the mesh of adjusting ejection of compact flow channels.

The specifications of a plurality of identification parts 6 and a plurality of pan feeding mouths 7 are diversified, and the specifications of a plurality of identification parts 6 and a plurality of pan feeding mouths 7 are in one-to-one correspondence, so that the pan feeding mouth 7 of which specification is communicated with the feed outlet 3 according to the identification part 6 of which specification coincides with the arc prompting sheet 17.

The working principle is as follows:

when the discharging flow channel of the discharging blowing pipe 2 is adjusted, an operator takes the handle 16 out of the arc-shaped notch 22 and the arc-shaped groove 19 and pulls the spline shaft 13 outwards, then the handle 16 is rotated to be clamped in the groove 21, then the operator can drive the spline shaft 13 and the spline sleeve column 10 to synchronously rotate by rotating the handle 16, so that the rotating gear 9 rotates, the purpose that the hollow gear 5 drives the discharging blowing pipe 2 to rotate is achieved, and the feeding ports 7 of different specifications are replaced to be aligned to the feeding outlet 3, so that the purpose of adjusting the discharging flow channel is achieved;

the hollow gear 5 rotates, and the identification part 6 on the hollow gear synchronously rotates to coincide with the arc prompting piece 17, so that an operator can conveniently observe which specification of the feeding port 7 on the discharging blow molding pipe 2 is communicated with the feeding outlet 3 on the feeding runner pipe 1;

after the adjustment is completed, the handle 16 is rotated to align the arc notch 22 and the arc groove 19, under the elastic action of the compression spring 12, the spline shaft 13 goes deep into the spline sleeve cavity 11, and meanwhile, the handle 16 is clamped in the arc notch 22 and the arc groove 19 to play a limiting role, so that the problem that the discharge flow channel of the discharge blow-molding pipe 2 is changed due to mistaken touch of the handle 16 is avoided.

It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the existing well-known technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.

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 thermoplastic polymer hollow blow molding device is characterized by comprising a feeding runner pipe (1) and a discharging blow molding pipe (2), wherein the feeding runner pipe (1) is provided with two parts which are coated on the periphery of the discharging blow molding pipe (2), a feeding outlet (3) is formed in the arc-shaped edge of the inner side of the feeding runner pipe, the feeding outlet (3) is communicated with a feeding runner (4), a hollow gear (5) is sleeved on the periphery of the discharging blow molding pipe (2), a plurality of identification parts (6) are symmetrically arranged on the outer annular edge of the hollow gear (5) by taking the center of the discharging blow molding pipe (2) as a symmetry point, the identification parts (6) are arranged corresponding to a plurality of feeding ports (7) formed in the upper end part of the discharging blow molding pipe (2), and the feeding ports (7) can be selectively communicated with the feeding outlet (3) and are connected with the feeding runner (4) based on the feeding outlet (3); be equipped with the insection on the annular plane of tip under cavity gear (5), rotating gear (9) of insection meshing adjusting gear group (8), rotating gear (9) rigid coupling spline sleeve post (10), be provided with compression spring (12) in spline cover chamber (11) of spline sleeve post (10), compression spring (12) elastic connection integral key shaft (13), embedded swivelling chute (14) of one end that spline sleeve chamber (11) were kept away from in integral key shaft (13), it rotates joint in swivelling chute (14) to rotate bulb (15) drive handle (16).

2. The hollow blow molding device for thermoplastic polymers according to claim 1, characterized in that the inner arc-shaped edge of the feeding runner pipe (1) is matched with the pipe of the discharging blow molding pipe (2), and the bottom of the feeding runner pipe (1) is provided with an arc-shaped prompting piece (17) at the position corresponding to the feeding outlet (3).

3. Thermoplastic polymer hollow blow molding device according to claim 1, characterized in that a protruding arc piece (18) is installed on one side of the rotating gear (9), and an arc groove (19) adapted to the handle (16) is embedded in the middle of the protruding arc piece (18).

4. The hollow thermoplastic polymer blow molding device according to claim 1, wherein an arc-shaped piece (20) is arranged on one side of the spline sleeve column (10), a groove (21) adapted to the handle (16) is embedded in the middle of the arc-shaped piece (20), an arc-shaped notch (22) adapted to the handle (16) is arranged on the other side of the spline sleeve column, and the arc-shaped notch (22) and the arc-shaped groove (19) are arranged in parallel.

5. The hollow blow molding device for thermoplastic polymers according to claim 1, wherein the specifications of the plurality of identification parts (6) and the plurality of material inlets (7) are various, and the plurality of identification parts (6) correspond to the plurality of material inlets (7) one by one.