CN215283063U

CN215283063U - Anti-blocking die adjusting nut and blank injection machine

Info

Publication number: CN215283063U
Application number: CN202120876785.4U
Authority: CN
Inventors: 刘伟波; 阮长柏
Original assignee: Guangzhou Huayan Precision Machinery Co ltd
Current assignee: Guangzhou Huayan Precision Machinery Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-24
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses an anti-blocking mould adjusting nut and an injection machine, wherein the anti-blocking mould adjusting nut comprises a nut body and two supporting copper sleeves; the nut body is provided with a mounting hole for butting the tie bar columns, and the inner wall of the mounting hole is provided with an internal thread and two limiting grooves positioned on the front side and the rear side of the internal thread; the two supporting copper sleeves are respectively and fixedly arranged on the corresponding limiting grooves. The embryo injection machine comprises a tail plate, a tie bar and the anti-blocking mold adjusting nut; a guide seat is arranged on the side edge of the tail plate, and a through hole for the tie bar to pass through is formed in the guide seat; the anti-blocking die adjusting nut is rotatably arranged on the rear side of the guide seat; one end of the tie bar is provided with a threaded part, and the threaded part is in threaded fit with the internal thread of the mounting hole and is in sliding fit with the supporting copper sleeve. The copper sheathing is supported in the both ends installation of anti-sticking accent mould nut mounting hole, can play the effect of propping high tieing post, avoids tieing post directly to push down the inner wall downside of mounting hole, does benefit to the interior thread good cooperation of tieing post and mounting hole to guarantee to annotate the normal operating of embryo machine die opening and shutting.

Description

Anti-blocking die adjusting nut and blank injection machine

Technical Field

The utility model relates to an injection moulding equipment technical field specifically is a mould nut is transferred to anti-sticking and notes embryo machine.

Background

The injection moulding machine is a main moulding equipment for making various shapes of plastic products from thermoplastic plastics or thermosetting plastics by using plastic moulding mould, its working principle is similar to that of injection syringe for injection, and the plasticized molten plastics, i.e. viscous state plastics, can be injected into closed mould cavity by means of thrust of screw or plunger, and then the product can be obtained after solidification and moulding. The blank injection machine has the advantages that plastic products with complex shapes, accurate sizes or compact textures and metal inserts can be formed in one step, and the blank injection machine is widely applied to various fields of national defense, electromechanics, automobiles, transportation, building materials, packaging, agriculture, cultural and educational sanitation and daily life of people.

Tailboard, tiebar and accent mould nut are the important part of notes embryo machine, and the tiebar passes the through-hole of tailboard, transfer the mould nut and install in the tailboard rear side and with the external screw thread part cooperation of tiebar, the big gear drive of accent mould of notes embryo machine transfers the mould nut rotatory, and then promotes the tiebar, realizes that the advancing of fly leaf retreats. However, because the weight of the tie bar is large, the central line of the tie bar is lower than the center of the die adjusting nut, namely, the lower side of the inner wall of the die adjusting nut is extruded downwards, so that the external thread cannot be well matched with the inner teeth of the die adjusting nut, and the clamping shell or the thread teeth are easily abraded.

Therefore, there is a need for improvements to existing adjustable die nuts.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art's weak point, provide an anti-sticking accent mould nut.

In order to achieve the above object, the utility model provides a following technical scheme:

an anti-blocking die-adjusting nut comprises a nut body and two supporting copper sleeves;

the nut body is provided with a mounting hole for butting the tie bar columns, and the inner wall of the mounting hole is provided with an internal thread and two limiting grooves positioned on the front side and the rear side of the internal thread;

and the two supporting copper sleeves are respectively and fixedly arranged on the corresponding limiting grooves.

As an alternative embodiment, the supporting copper sleeve is made of a high-force brass material.

As an optional implementation manner, the two supporting copper sleeves are fixed with the nut body in a tight fit manner.

As an alternative embodiment, the side edge of the nut body is provided with a lubricating oil injection hole communicated with the mounting hole.

As an optional implementation manner, an annular step is arranged outside the front end of the nut body, and an annular friction plate is mounted on the annular step and fixed with the threaded body through a positioning pin.

The utility model also provides an embryo injection machine, which comprises a tail plate, a tie bar and the anti-blocking mould adjusting nut;

a guide seat is arranged on the side edge of the tail plate, and a through hole for the tie bar to pass through is formed in the guide seat;

the anti-clamping die adjusting nut is rotatably arranged on the rear side of the guide seat, and a mounting hole of the anti-clamping die adjusting nut corresponds to the through hole in front and back positions;

one end of the tie bar is provided with a threaded part, the threaded part is in threaded fit with the internal thread of the mounting hole, and is in sliding fit with the supporting copper sleeve.

As an optional embodiment, notes embryo machine still includes the nut gland, the nut gland includes the bottom plate and connects the bottom plate outside and a plurality of extension post that stretch out forward, and the bottom plate is spacing the rear end of mould nut is transferred to the anti-sticking and is equipped with the confession the through-hole that the tiebar passed, it is a plurality of the extension post distribute in the periphery of screw thread body and with the rear side of guide holder is fixed.

As an alternative embodiment, the rear end of the mounting hole is provided with a receiving groove matched with the front end of the nut body.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses at the both ends installation support copper sheathing of mould nut hole is transferred to the anticreep, annotating embryo machine die sinking or compound die in-process, support the copper sheathing and can play the effect of propping high tiebar, avoid tiebar directly to push down the inner wall downside of mounting hole, do benefit to the screw thread portion of tiebar and the interior thread of mounting hole and well cooperate to guarantee to annotate the normal operating of embryo machine die sinking.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a sectional view of the anti-seize die-adjusting nut of the present invention;

fig. 2 is an exploded view of the anti-seize die-adjusting nut of the present invention;

FIG. 3 is an assembly view of the middle tail plate, the tie bar and the anti-jamming mold adjusting nut of the present invention;

FIG. 4 is a cross-sectional view of the assembled and formed middle tail plate, tie bar and anti-jamming die adjusting nut of the present invention;

in the figure:

1. the anti-blocking die adjusting nut; 2. a Golin pole; 21. a threaded portion; 11. a nut body; 111. a lubricating oil injection hole; 112. mounting holes; 113. an outer tooth; 114. an annular step; 12. supporting the copper sleeve; 13. an annular friction plate; 3. a tail plate; 31. a guide seat; 311. accommodating grooves; 312. an oil road channel; 4. a self-lubricating bearing; 5. adjusting a master gear; 6. a nut gland; 61. a base plate; 62. extending the column; 7. an intermediate gear.

Detailed Description

For the purpose of promoting a better understanding of the objects, structures, features, and functions of the invention, reference should now be made to the drawings and detailed description of the invention. It should be noted that the features illustrated in the drawings are not necessarily drawn to scale. Moreover, the described embodiments are only some of the described embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "front", "rear", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Example 1

Referring to fig. 1-2, the present embodiment provides an anti-seize mold adjusting nut 1 for being installed in an injection molding machine to be connected with a tie bar 2 in a driving manner, wherein the anti-seize mold adjusting nut 1 includes a nut body 11 and two supporting copper sleeves 12. The outer teeth 113 are arranged on the periphery of the nut body 11, the mounting hole 112 for butting against the tie bar column 2 is formed in the middle of the nut body, and the inner wall of the mounting hole 112 is provided with an internal thread and two limiting grooves positioned on the front side and the rear side of the internal thread; the two supporting copper sleeves 12 are respectively and fixedly arranged corresponding to the limiting grooves and are used for being in sliding fit with the tie bars 2. The inner diameter of the supporting copper sleeve 12 is smaller than the major diameter of the internal thread and larger than the minor diameter of the internal thread. In this embodiment, the supporting copper sleeve 12 is made of high-force brass and fixed to the nut body 11 in a tight fit manner.

The side of the nut body 11 is provided with a plurality of lubricating oil injection holes 111 communicated with the mounting hole 112, so that lubricating oil can be injected, and the anti-blocking die-adjusting nut 1 and the tie bar 2 are kept in a lubricating state.

Further, an annular step 114 is arranged on the outer side of the front end of the nut body 11, and an annular friction plate 13 is mounted on the annular step 114 and fixed with the thread body through a positioning pin. The abrasion of the nut body 11 and the tail plate 3 caused by relative sliding can be reduced by arranging the annular friction plate 13. The annular friction plate 13 is preferably 45# steel.

Referring to fig. 3-4, the present embodiment further provides a blank injection machine, which includes a tail plate 3, a golling cylinder 2, a mold adjusting main gear 5, an intermediate gear, and the mold clamping and adjusting nut 1. Wherein, the side of the tail plate 3 is provided with a guide seat 31, and the guide seat 31 is provided with a through hole for the tie bar 2 to pass through; the anti-blocking mold adjusting nut 1 is rotatably installed at the rear side of the guide seat 31, and the installation hole 112 corresponds to the through hole in front and back; one end of the tie bar 2 is provided with a threaded part 21, and the threaded part 21 is in threaded fit with the internal thread of the mounting hole 112 and is in sliding fit with the support copper sleeve 12. The mould adjusting main gear 5 is rotatably arranged behind the tail plate 3, and the intermediate gear is in transmission connection with the mould adjusting main gear 5 and the anti-blocking mould adjusting nut 1.

Further, annotate embryo machine still includes nut gland 6, nut gland 6 includes bottom plate 61 and a plurality of extension post 62 that connect the bottom plate 61 outside and stretch out forward, and bottom plate 61 is spacing the rear end of mould nut 1 is transferred to the anti-sticking is equipped with the confession through-hole that tiebar 2 passed, a plurality of extension post 62 distribute with the periphery of screw body and with the rear side of guide holder 31 is fixed.

Further, the rear end of the mounting hole 112 is provided with a receiving groove 311 into which the front end of the nut body 11 is inserted. The guide seat 31 is further provided with an oil passage 312, the oil passage 312 is communicated with the outer side of the guide seat 31 and the accommodating groove 311, so that lubricating oil can be conveniently reserved in the accommodating groove 311, and the lubricating oil is kept between the anti-clamping die-adjusting nut 1 and the mounting hole 112. In addition, still including setting up self-lubricating bearing 4 between annular friction disc 13 and guide holder 31, self-lubricating bearing 4 cup joints tieing post 2, sets up and should slide relatively between the reducible annular friction disc of self-lubricating bearing 4 and the guide holder 31 and produce the sintering phenomenon, does benefit to extension equipment life, and self-lubricating bearing 4 can choose for use the high-force brass material to make.

Through installing support copper sheathing 12 respectively at the both ends at anti-sticking accent mould nut 1 inner wall, annotating embryo machine die sinking or compound die in-process, support copper sheathing 12 can play the effect of propping high tie bar 2, avoids tie bar 2 directly to push down the inner wall downside of mounting hole 112, does benefit to tie bar 2's screw portion 21 and the good cooperation of internal thread of mounting hole 112, guarantees to annotate embryo machine normal operating. And the copper sleeve is soft in texture, so that the abrasion to the threaded part can be reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The anti-blocking die-adjusting nut is characterized by comprising a nut body and two supporting copper sleeves;

and the two supporting copper sleeves are respectively and fixedly arranged corresponding to the limiting grooves and are in sliding fit with the tie bars.

2. The anti-seize die-adjusting nut as claimed in claim 1, wherein said supporting copper sleeve is made of a high-force brass material.

3. The anti-seize die-adjusting nut as claimed in claim 1, wherein the two supporting copper sleeves are fixed with the nut body in a tight fit manner.

4. The anti-seize die-adjusting nut as claimed in claim 1, wherein the side of the nut body is provided with a lubricating oil injection hole communicating with the mounting hole.

5. The anti-seize die-adjusting nut as claimed in claim 1, wherein an annular step is provided on the outer side of the front end of the nut body, and an annular friction plate is mounted on the annular step and fixed to the threaded body by a positioning pin.

6. An embryo injection machine, which is characterized by comprising a tail plate, a Gollin column and the anti-blocking mold adjusting nut as claimed in any one of claims 1 to 5;

7. The injection molding machine of claim 6, further comprising a nut gland, wherein the nut gland comprises a bottom plate and a plurality of extending columns which are connected with the outer side of the bottom plate and extend forwards, the bottom plate is used for limiting the rear end of the anti-blocking mold adjusting nut and is provided with a through hole for the tie bar column to pass through, and the extending columns are distributed on the periphery of the threaded body and are fixed with the rear side of the guide seat.

8. The embryo injection machine according to claim 6, wherein the rear end of the mounting hole is provided with a receiving groove matched with the front end of the nut body.