CN213628236U

CN213628236U - Wood-plastic mixing machine cylinder guide rod sealing device

Info

Publication number: CN213628236U
Application number: CN202022741672.1U
Authority: CN
Inventors: 王世勇; 杨明; 化明志; 朱莽; 梁瑞; 李冲
Original assignee: Shandong Enjoy Advanced Material Co ltd
Current assignee: Shandong Enjoy Advanced Material Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-07-06
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a wood-plastic mixer cylinder guide rod sealing device, which comprises a mounting plate and a cylinder body arranged on the mounting plate, wherein the side surface of the cylinder body is connected with a hollow balance pipe used for communicating the pressure in a cylinder body guide rod, and the tail end of the balance pipe is arranged on the mounting plate through a sealing component; the sealing assembly comprises a rubber plate installed on the installation plate, a pressure plate is installed on the rubber plate through a plurality of compression screws, one end, far away from the cylinder body, of the balance pipe sequentially penetrates through the pressure plate and the surface contact of the rubber plate and the installation plate, and the sealing state of the balance pipe is achieved through the rubber plate and the installation plate. The air cylinder balance pipe arranged in the utility model is communicated with the outside air, thereby facilitating the exhaust and cleaning; the end setting of balance tube is in double-deck seal assembly, and double-deck seal assembly reduces sealing device to the wearing and tearing of balance tube, and the convenience is corrected sealed once more, and then imitates the inside atmospheric pressure of balanced cylinder.

Description

Wood-plastic mixing machine cylinder guide rod sealing device

Technical Field

The utility model relates to a cylinder seal field, concretely relates to wood is moulded and is mixed quick-witted cylinder guide arm sealing device.

Background

The wood-plastic composite material is a modified thermoplastic material prepared by filling and reinforcing wood fibers or plant fibers, and performing hot-pressing compounding, melt extrusion and other different processing modes. The wood-plastic compound machine is a device for mixing wood-plastic materials, the air cylinder device provides stirring power for the wood-plastic compound machine through air rod compressed air, and a small part of air is retained in the cylinder body when the air rod compresses the air, so that the normal work of the air cylinder is influenced.

In order to ensure that the influence of redundant air is eliminated in a closed air cylinder, the instrument can be selected to be stopped for manual exhaust, but the method has low efficiency and influences the production working hours. The existing cylinder balance pipe sealing device is provided with a delivery pipe beside a cylinder, excessive gas in a cylinder body is discharged into the delivery pipe, but the tail end of the delivery pipe is sealed, so that the cleaning and ventilation are difficult, and the cost is increased by frequently replacing the delivery pipe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wood is moulded and is mixed quick-witted cylinder guide arm sealing device to solve among the prior art cylinder guide arm easy wearing and tearing, can not directly improve sealing performance's technical problem.

In order to solve the above technical problem, the utility model particularly provides the following technical scheme:

a cylinder guide rod sealing device of a wood-plastic mixing machine comprises a mounting plate and a cylinder body mounted on the mounting plate, wherein a hollow balance pipe used for communicating the pressure in a cylinder body guide rod is connected to the side surface of the cylinder body, and the tail end of the balance pipe is mounted on the mounting plate through a sealing assembly;

the seal assembly is including installing rubber slab on the mounting panel, install the pressure plate through a plurality of housing screws on the rubber slab, the balance pipe is kept away from the one end of cylinder body passes in proper order the pressure plate with the rubber slab with the surface contact of mounting panel, and through the rubber slab with the mounting panel is realized the encapsulated situation of balance pipe.

As a preferred scheme of the utility model, be provided with the confession on the pressure plate the clearing hole that the balance pipe passed, the balance pipe passes the clearing hole with the rubber slab is connected on the mounting panel, the clearing hole with balance pipe clearance fit.

As an optimized scheme of the utility model, the balance pipe terminal with the fixed zonulae occludens of rubber slab, the rubber slab set up its compressing screw all around with the surface of mounting panel forms the intercommunication the sealed clearance chamber of balance pipe.

As an optimized scheme of the utility model, the housing screw install around the pressure plate, and the end passes the rubber slab inflation seal installation is in on the mounting panel.

As a preferred scheme of the utility model, be provided with the backing plate between cylinder body one end and the mounting panel of telling, the backing plate is connected with the fixed plate through a plurality of dead levers all around, the cylinder body other end is fixed on the fixed plate, the mounting panel passes through the screw and installs the cylinder body on the workstation.

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

the utility model is provided with the balance pipe on the side surface of the cylinder body, when the cylinder is not used, the balance pipe is communicated with the outside air, which is convenient for exhausting and cleaning; when the air cylinder is used, the tail end of the balance pipe is arranged in the double-layer sealing assembly, and the outer layer of the sealing assembly is a pressure plate which is not directly connected with the balance pipe, so that the abrasion of the sealing device to the balance pipe is reduced, the secondary correction sealing is convenient, and the air pressure in the air cylinder is effectively balanced; the rubber slab of seal assembly inlayer for the rubber material, when the terminal hourglass material of balance pipe, the housing screw that screws makes expansion seal between rubber slab and the balance pipe, directly strengthens the terminal sealed effect of balance pipe, makes things convenient for seal part's adjustment, reduces the cost of changing.

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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

Fig. 1 is a schematic structural view of a cylinder guide rod sealing device of a wood-plastic mixer provided by the embodiment of the utility model;

fig. 2 is an installation diagram of the sealing assembly according to an embodiment of the present invention.

The reference numerals in the drawings denote the following, respectively:

1-mounting a plate; 2-cylinder body; 3-a balance tube; 4-a sealing assembly; 5-through hole; 6-backing plate; 7-a plurality of fixing rods; 8, fixing a plate; 9-a screw;

401-rubber sheet; 402-a pressure plate; 403-hold down screws.

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.

This embodiment provides an air cylinder device, comes to provide the power of stirring for wood-plastic mixing machine through gas pole compressed air, and the cylinder is when using, and the gas pole in the cylinder body has the air detention of fractional part in the cylinder body can't be got rid of when compressed air, influences the gaseous balance in the cylinder body, leads to the work efficiency of cylinder to reduce.

In order to ensure that the influence of redundant air is eliminated in a closed cylinder, as shown in fig. 1 and fig. 2, the utility model provides a wood-plastic mixer cylinder guide rod sealing device, which comprises a mounting plate 1 and a cylinder body 2 arranged on the mounting plate 1, wherein the side surface of the cylinder body 2 is connected with a hollow balance pipe 3 for balancing the pressure in the cylinder body 2 guide rod, and the tail end of the balance pipe 3 is arranged on the mounting plate 1 through a sealing component 4;

the shape of the balance pipe 3 is similar to that of an L-shaped suction pipe, one end parallel to the mounting plate 1 is communicated with the cylinder body 2, one end perpendicular to the mounting plate 1 penetrates through the sealing component 4 to be communicated with the stirring chamber in the mounting plate 1, the balance pipe 3 can keep the stability of air pressure in the cylinder body 2, continuous two stable air pressures are provided for a stirring device in the stirring chamber, the sealing performance between the cylinder body 2 and the mounting plate 1 can be enhanced, and air leakage is prevented.

The sealing assembly 4 comprises a rubber plate 401 mounted on the mounting plate 1, a pressure plate 402 is mounted on the rubber plate 401 through a plurality of compression screws 403, one end, far away from the cylinder body 2, of the balance pipe 3 sequentially penetrates through the pressure plate 402 and the rubber plate 401 to be in surface contact with the mounting plate 1, and the sealing state of the balance pipe 3 is achieved through the rubber plate 1 and the mounting plate 1.

When the cylinder is not used, the balance pipe 3 is communicated with the outside air, so that the exhaust and the cleaning are convenient; when the air cylinder is used, the tail end of the balance pipe 3 is arranged in the double-layer sealing assembly 4, and the outer layer of the sealing assembly 4 is a pressure plate 402 which is not directly connected with the balance pipe 3, so that the abrasion of the sealing device to the balance pipe 3 is reduced, the secondary correction sealing is convenient, and the air pressure in the air cylinder is effectively balanced; the rubber slab 401 of the inner layer of the seal assembly 4 is made of rubber, when the material leaks from the tail end of the balance pipe 3, the hold-down screw 403 is screwed to enable the rubber slab 401 and the balance pipe 3 to be sealed in an expansion mode, the sealing effect at the tail end of the balance pipe 3 is directly enhanced, or the rubber slab element is directly replaced, the replacement of the worn part is facilitated, and the replacement cost is reduced.

Rubber slab 401 is the rubber material and thickness is 10mm, and the material of rubber is cheap easily to be obtained, and is economical and practical than other metal class pipes, convenient the change, and its texture is softer, and coefficient of surface friction is high, is favorable to fixing balance pipe 3 on rubber slab 401, and is favorable to the sealed between pressure plate 402 and the mounting panel 1. Under a plurality of tests, the thickness of the rubber plate 401 is optimal to be 10mm, so that the cost of the sealing assembly is reduced, and the sealing performance of the sealing assembly is improved.

Preferably, the pressure plate 402 is provided with a through hole 5 for the balance tube 3 to pass through, the balance tube 3 passes through the through hole 5 and is connected with the rubber plate 401 on the mounting plate 1, and the through hole 5 is in clearance fit with the balance tube 3. Under many times of experiments, the radius difference between the balance pipe 3 and the pressure plate 402 is optimal, so that the balance pipe 3 can be stably connected to the rubber plate 401 without shaking back and forth on the rubber plate 401, friction between the balance pipe 3 and the pressure plate 402 can be reduced, and the service life of the balance pipe 3 is prolonged.

In this embodiment, the end of the balance tube 3 is tightly fixed to the rubber plate 401, and the compression screws 403 around the rubber plate 401 and the surface of the mounting plate 1 form a sealed cavity communicating with the balance tube 3. The rubber plate 401 has a pressing force on the balance tube 3, and seals the gas material or liquid material inside the balance bar 3 inside the balance tube 3.

The compression screws 403 are mounted around the pressure plate 402, and the ends are expansion-sealed to the mounting plate 1 through the rubber plate 401. The hold-down screw 403 expands and seals the rubber plate 401 on the mounting plate 1, specifically, after the gas or liquid in the cylinder 2 overflows into the balance tube 3, under the action of pressure, the pore between the rubber plate 401 and the balance tube 3 becomes larger, or a gap occurs between the rubber plate 401 and the mounting plate 1.

The solution method 1 comprises the following steps: inwards screw the housing screw 403, housing screw 403 gives pressure plate 402 a power towards mounting panel 1, the softer rubber slab 401 of texture is compressed, the hole between rubber slab 401 and balance pipe 3 diminishes, the space between rubber slab 401 and the mounting panel 1 disappears, sealing assembly 4's sealing performance can all be improved in both changes, simple structure, convenient adjustment.

The solution 2 is as follows: if the rubber plate 401 is aged and elasticity disappears, the hold-down screw 403 is screwed out outwards, a new rubber plate 401 is replaced, the sealing assembly 4 is assembled and screwed again, sealing performance is debugged, and the rubber plate sealing device is convenient to replace, economical and practical.

In this embodiment, be provided with backing plate 6 between 2 one ends of cylinder body and the mounting panel 1 of telling, backing plate 6 is connected with fixed plate 8 through a plurality of dead levers 7 all around, and the 2 other ends of cylinder body are fixed on fixed plate 8, and a plurality of dead levers 7 are fixed cylinder body 2 between backing plate 6 and fixed plate 8, improve the stability of cylinder body 2 under operating condition, reduce the shake of cylinder body 2 because of the shake of itself drives balanced pipe 3, prevent that the end of balanced pipe 3 from droing from seal assembly 4.

In order to ensure the stability of the cylinder body 2 in the working process, the mounting plate 1 mounts the cylinder body 2 on the workbench through the screw 9, and the gap generated between the balance pipe 3 and the rubber plate 401 driven by the shaking of the cylinder body 2 is prevented.

The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.

Claims

1. The utility model provides a wood is moulded and is mixed quick-witted cylinder guide arm sealing device which characterized in that: the device comprises an installation plate (1) and a cylinder body (2) installed on the installation plate (1), wherein a hollow balance pipe (3) used for communicating the pressure in a guide rod of the cylinder body (2) is connected to the side surface of the cylinder body (2), and the tail end of the balance pipe (3) is installed on the installation plate (1) through a sealing assembly (4);

seal assembly (4) is including installing rubber slab (401) on mounting panel (1), install pressure plate (402) through a plurality of housing screw (403) on rubber slab (401), balanced pipe (3) are kept away from the one end of cylinder body (2) is passed in proper order pressure plate (402) with rubber slab (401) with the surface contact of mounting panel (1), and pass through rubber slab (401) with mounting panel (1) realizes the encapsulated situation of balanced pipe (3).

2. The wood-plastic mixer cylinder guide rod sealing device of claim 1, wherein: the pressure plate (402) is provided with a through hole (5) for the balance pipe (3) to pass through, the balance pipe (3) passes through the through hole (5) and is connected with the rubber plate (401) on the mounting plate (1), and the through hole (5) is in clearance fit with the balance pipe (3).

3. The wood-plastic mixer cylinder guide rod sealing device of claim 1, wherein: the tail end of the balance pipe (3) is fixedly and tightly connected with the rubber plate (401), and the rubber plate (401) is arranged on compression screws (403) on the periphery of the rubber plate and the surface of the mounting plate (1) to form a sealing gap cavity communicated with the balance pipe (3).

4. The wood-plastic mixer cylinder guide rod sealing device of claim 1, wherein: the compression screws (403) are arranged on the periphery of the pressure plate (402), and the tail ends of the compression screws penetrate through the rubber plate (401) to be arranged on the mounting plate (1) in an expansion sealing mode.

5. The wood-plastic mixer cylinder guide rod sealing device of claim 1, wherein: be provided with between cylinder body (2) one end and the mounting panel (1) of telling backing plate (6), backing plate (6) are connected with fixed plate (8) through a plurality of dead levers (7) all around, the cylinder body (2) other end is fixed on fixed plate (8), mounting panel (1) is installed cylinder body (2) on the workstation through screw (9).