CN216579071U

CN216579071U - High-surface pressure friction plate assembly

Info

Publication number: CN216579071U
Application number: CN202120880572.9U
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: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-05-24
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a high-surface-pressure friction plate assembly which comprises a tail plate, a Gollin column, a die adjusting nut, a friction plate and a copper sleeve, wherein the tail plate is fixedly connected with the Gollin column; a guide seat is arranged on the side edge of the tail plate, a through hole for the tie bar to pass through is formed in the guide seat, and a groove for accommodating the front end of the mold adjusting nut is formed in the rear end of the through hole; the mould adjusting nut is rotatably arranged at the rear side of the guide seat and is provided with a base part and a protruding part which extends forwards from the base part, the protruding part extends into the groove, the mould adjusting nut is provided with a threaded hole, and the position of the threaded hole corresponds to the position of the through hole in the front-back direction; the tie bar can rotatably penetrate through the through hole, and the rear end of the tie bar is provided with an external thread matched with the thread of the threaded hole; the friction plate is sleeved with the protruding part and fixed with the front end face of the base part; the copper sleeve is fixedly arranged on the rear side of the guide seat and surrounds the protruding part, and the rear side surface of the copper sleeve is abutted to the friction plate. Through installation friction disc and copper sheathing, can avoid producing the sintering phenomenon because of relative slip between accent mould nut and the guide holder, be favorable to annotating the normal operating of embryo machine die opening and shutting, prolong the life of accent mould nut.

Description

High-surface pressure friction plate assembly

Technical Field

The utility model relates to the technical field of embryo injection equipment, in particular to a high-surface-pressure friction plate assembly.

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.

In the die opening and closing process of the embryo injection machine, the die adjusting nut is placed in a rotating mode to push the tie bar to move axially, and due to the fact that the contact surface between the die adjusting nut and the tail plate is pressed to be large, relative rotation between the die adjusting nut and the tail plate is prone to sintering, and the service life of the die adjusting nut is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a high-surface-pressure friction plate assembly.

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

a high-surface pressure friction plate assembly comprises a tail plate, a tie bar, a die adjusting nut, a friction plate and a copper sleeve;

a guide seat is arranged on the side edge of the tail plate, a through hole for the tie bar to pass through is formed in the guide seat, and a groove for accommodating the front end of the die adjusting nut is formed in the rear end of the through hole;

the die adjusting nut is rotatably arranged at the rear side of the guide seat and is provided with a base part and a protruding part which extends forwards from the base part, the protruding part extends into the groove, the die adjusting nut is provided with a threaded hole, and the threaded hole corresponds to the through hole in position from front to back;

the tie bar column is rotatably arranged in the through hole in a penetrating way, and the rear end of the tie bar column is provided with an external thread matched with the thread hole in a thread way;

the friction plate is sleeved with the protruding part and fixed with the front end face of the base part;

the copper sleeve is fixedly arranged on the rear side of the guide seat and surrounds the protruding portion, and the rear side face of the copper sleeve is abutted to the friction plate.

As a further preferable scheme, the material of the friction plate is 45# steel.

As a further preferable scheme, the guide seat is provided with a first oil filling channel which is communicated with the outer wall of the guide seat and the groove.

As a further preferable scheme, the guide seat is provided with a second oil injection channel communicated with the rear end surface of the guide seat of the first oil injection channel; the copper bush is provided with an oil outlet hole, and the oil outlet hole is communicated with the rear end opening of the second oil injection channel.

As a further preferred scheme, an annular groove is formed in the rear side face of the copper sleeve and communicated with the oil outlet hole.

As a further preferable mode, the central axis of the annular groove is offset from the central axis of the copper sleeve.

As a further preferred solution, the copper sleeve is made of high-force brass.

As a further preferable mode, the friction plate is fixed to the base by a positioning pin.

As a further preferable scheme, an oil filling hole communicated with the threaded hole is formed in the side edge of the die adjusting nut.

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

according to the high-pressure friction plate assembly provided by the utility model, the friction plate and the copper sleeve are arranged between the tail plate and the die adjusting nut, so that the sintering phenomenon caused by relative friction between the die adjusting nut and the guide seat can be avoided, the normal operation of the die opening and closing of the blank injection machine is facilitated, and the service life of the die adjusting nut is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 an exploded cross-sectional view of a high face pressure friction plate assembly of the present invention;

FIG. 2 is an exploded view of the high face pressure friction plate assembly of the present invention;

FIG. 3 is a perspective view of a copper sleeve according to the present invention;

in the figure:

1. a tail plate; 11. a guide seat; 111. a through hole; 112. a groove; 113. a first oiling channel; 114. a second oiling channel; 2. a Golin pole; 21. an external thread; 3. a copper sleeve; 31. an oil outlet hole; 32. an annular groove; 4. a friction plate; 5. adjusting a die nut; 51. a base; 511. an oil filler hole; 512. an outer tooth; 52. a protruding portion; 53. a threaded hole; 6. an intermediate gear; 7. and adjusting the mold master gear.

Detailed Description

For a better understanding of the objects, structure, features, and functions of the utility model, reference should be made to the drawings and detailed description that follow. It should be noted that the features illustrated in the drawings are not necessarily drawn to scale. Moreover, the described embodiments are a few embodiments of the utility model, rather than all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.

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.

Examples

Referring to fig. 1-2, the present embodiment provides a high-pressure friction plate 4 assembly, which can be applied to an injection molding machine, and includes a tail plate 1, a tie bar 2, a mold adjusting nut 5, a friction plate 4, and a copper sleeve 3.

As shown in fig. 1, a guide seat 11 is arranged on a side edge of the tail plate 1, the guide seat 11 is provided with a through hole 111 for the tie bar 2 to pass through, and a groove 112 for accommodating the front end of the mold adjusting nut 5 is formed at the rear end of the through hole 111.

As shown in fig. 1-2, the mode adjusting nut 5 is rotatably mounted on the rear side of the guide base 11, and has a base 51 and a protrusion 52 extending forward from the base 51, and the outer side of the base 51 is provided with external teeth 512 for mating with the intermediate gear 6, thereby forming a gear transmission with the mode adjusting main gear 7. The protruding part 52 extends into the groove 112, the die adjusting nut 5 is provided with a threaded hole 53, and the threaded hole 53 penetrates through the die adjusting nut 5 and corresponds to the through hole 111 in the front-back direction. In addition, the side edge of the die adjusting nut 5 is provided with an oil injection hole 511 communicated with the threaded hole 53, so that lubricating oil is injected into the threaded hole 53, and friction between the threaded hole 53 and the tie bar 2 is reduced. The tie bar 2 is rotatably arranged in the through hole 111 in a penetrating way and used for driving the movable plate of the blank injection machine to move forwards and backwards, and the rear end of the tie bar is provided with an external thread 21 in threaded fit with the threaded hole 53.

As shown in fig. 1-2, the friction plate 4 is sleeved on the protruding portion 52 and fixed with the front end surface of the base portion 51 by a positioning pin, in this embodiment, the friction plate 4 is preferably 45# steel, and 45# steel has higher strength and deformation resistance and is not easy to wear during the rotation of the die adjusting nut 5.

As shown in fig. 1-3, the copper sleeve 3 is fixedly disposed at the rear side of the guide seat 11 and surrounds the protruding portion 52, and the rear side surface of the copper sleeve 3 abuts against the friction plate 4. Because the copper material is softer, the relative slip between copper sheathing 3 and friction disc 4 is difficult for producing the sintering, and the wearing and tearing volume to the friction disc is less.

As shown in fig. 2, the guide holder 11 is provided with a first oil filling passage 113 communicating the outer wall thereof with the recess 112. So as to inject lubricating oil into the groove 112, and keep the lubrication between the protruding part 52 and the guide seat 11, and ensure the normal operation of the guide seat 11. The guide seat 11 is provided with a second oil injection channel 114 communicated with the rear end surface of the guide seat 11 of the first oil injection channel 113; the copper bush 3 is provided with an oil outlet hole 31, and the oil outlet hole 31 is communicated with the rear end opening of the second oil filling channel 114. An annular groove 32 is formed in the rear side face of the copper sleeve 3, and the annular groove 32 is communicated with the oil outlet hole 31. The lubricating oil can flow to the space between the copper bush 3 and the friction plate through the first oil injection passage 113, the second oil injection passage 114, the oil outlet hole 31 and the annular groove 32 in sequence, so that the contact surfaces of the copper bush 3 and the friction plate are kept lubricated, the frictional resistance between the copper bush and the friction plate can be reduced, and the stable operation of the blank injection machine is facilitated. Furthermore, the central axis of the annular hole is offset from the central axis of the copper jacket 3. So set up, when adjusting the relative tailboard rotation of mould nut 5, lubricating oil can cover bigger area, improves lubricated effect. In this embodiment, the copper bush 3 is preferably made of high-force brass, and the copper bush 3 is locked with the rear end face of the guide seat 11 through a screw, so that the disassembly and replacement are convenient.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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. A high-surface pressure friction plate assembly is characterized by comprising a tail plate, a tie bar, a die adjusting nut, a friction plate and a copper sleeve;

2. A high face pressure friction plate assembly as described in claim 1 wherein said friction plate material is 45# steel.

3. A high surface pressure pad assembly as claimed in claim 1, wherein said guide housing is provided with a first oil injection passage communicating between an outer wall thereof and said recess.

4. The high-pressure friction plate assembly according to claim 3, wherein said guide seat is provided with a second oil injection passage communicating with a rear end surface of said guide seat of the first oil injection passage; the copper bush is provided with an oil outlet hole, and the oil outlet hole is communicated with the rear end opening of the second oil injection channel.

5. The high-surface-pressure friction plate assembly according to claim 4, wherein an annular groove is formed in the rear side surface of the copper sleeve, and the annular groove is communicated with the oil outlet hole.

6. A high face pressure pad assembly as claimed in claim 5 wherein the central axis of the annular groove is offset from the central axis of the copper sleeve.

7. The high-side pressure pad assembly as defined in claim 1, wherein said copper sleeve is made of high-force brass.

8. A high face pressure friction plate assembly as set forth in claim 1 wherein said friction plate is secured to said base by locating pins.

9. The high-surface-pressure friction plate assembly according to claim 1, wherein an oil hole communicated with the threaded hole is formed in the side edge of the die adjusting nut.