CN211099686U

CN211099686U - Plunger rod for pneumatic plunger type spraying machine

Info

Publication number: CN211099686U
Application number: CN201921676724.2U
Authority: CN
Inventors: 吴群
Original assignee: Wuxi Putian Special Spraying Equipment Co ltd
Current assignee: Wuxi Putian Special Spraying Equipment Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-07-28
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a plunger rod for pneumatic plunger type flush coater, concretely relates to plunger rod technical field, the device comprises a device body, the bottom of device body communicates with each other there is explosion-proof exit tube, open at the bottom of the inside of device body and be equipped with the cavity, the bottom fixed mounting of device body has the cylinder bottom, the inside fixed mounting in top of device body has the endotheca, the bottom fixed mounting of device body has the fixed plate, the round hole has been seted up on the surface of fixed plate, the bottom fixed mounting of device body has the motion sealing washer, the bottom fixed mounting of endotheca has the plunger rod, the top of plunger rod bonds there is the fixed block. The utility model discloses a set up the structure that the plunger rod is shell, interior pole, connecting block for interior pole carries out piston motion in the shell, has reduceed the device's wearing and tearing greatly, has increased the life of plunger rod, has improved the device's economic benefits.

Description

Plunger rod for pneumatic plunger type spraying machine

Technical Field

The utility model relates to a plunger rod technical field, more specifically say, the utility model relates to a plunger rod for pneumatic plunger type flush coater.

Background

The pneumatic type is classified according to the principle of pneumatic operation, and the pneumatic operation is divided into four types and five types according to the principle and the mechanical design mode of different guns: the first is the mode of gun operation by piston principle, i.e. the gas pushes the piston through diversion, the piston links the gun, the automatic/semi-automatic operation of the gun is completed through this series of procedures, the spraying machine is a special coating equipment using spraying technology, the principle is to control the gas flow to push the gas distribution reversing device to reverse instantly, so that the piston of the pneumatic motor makes stable and continuous reciprocating motion, the cylinder column is characterized in that the drum-shaped roller is installed in the hole opened at the front end of the rolling body which is provided with the mandrel and is provided with the bearing, and the head of the rolling body is provided with the end cover through the screw.

However, in practical use, there still exist some disadvantages, such as:

(1): when the plunger rod of the existing pneumatic plunger type spraying machine is used, because the plunger rod needs to do a large amount of reciprocating motion, the friction force between the plunger rod and the device body is large, the service life of the plunger rod is short, the economic benefit of the device is reduced, the practicability of the device is not facilitated, the difficulty of maintenance and replacement of an operator is high, and the practicability of the device is reduced.

(2): when the plunger rod of the existing pneumatic plunger type spraying machine is used, the working efficiency and the quality of the plunger rod of the pneumatic plunger type spraying machine are reduced due to the poor sealing performance of the existing device, the working efficiency of the plunger rod of the pneumatic plunger type spraying machine is greatly reduced, and the practicability and the economic benefit of the device are not facilitated.

It is therefore desirable to provide a plunger rod for a pneumatic plunger type sprayer that has a long life.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a plunger rod for pneumatic plunger type flush coater, be the shell through setting up the plunger rod, interior pole, the structure of connecting block, make interior pole carry out piston motion in the shell, the device's wearing and tearing have been reduceed greatly, the life of plunger rod has been increased, the economic benefits of the device has been improved, through setting up the motion sealing washer, even make the inside plunger rod of the device under the state of sub-motion, the inside leakproofness of the device body also can obtain fine assurance, greatly increased the device's practicality, make the device's operating mass increase, the social benefit and the economic nature of the device have been promoted, in order 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 plunger rod for a pneumatic plunger type spraying machine comprises a device body, wherein an explosion-proof outlet pipe is communicated with the bottom end of the device body, a cavity is formed in the inner bottom of the device body, a cylinder bottom is fixedly installed at the bottom end of the device body, an inner sleeve is fixedly installed in the top end of the device body, a fixing plate is fixedly installed at the bottom end of the device body, a circular hole is formed in the surface of the fixing plate, a moving sealing ring is fixedly installed at the bottom end of the device body, a plunger rod is fixedly installed at the bottom end of the inner sleeve, and a fixing block is bonded to the top end of the.

In a preferred embodiment, the top end of the explosion-proof pipe is provided with a spout, and the surface of the spout is smooth.

In a preferred embodiment, the volume of the cavity is ten cubic centimeters to twenty cubic centimeters.

In a preferred embodiment, the cylinder bottom and the device body are welded together, and the explosion-proof outlet pipe is arranged on the left top surface of the cylinder bottom.

In a preferred embodiment, the outer end of the moving seal abuts against the body of the device and the inner end of the moving seal abuts against the plunger rod.

In a preferred embodiment, the plunger rod comprises an outer shell, an inner rod is movably arranged inside the outer shell, and a connecting block is welded at the bottom end of the inner rod.

In a preferred embodiment, the surface notch of the fixing block is welded with the plunger rod, and the bottom surface of the fixing block is fixedly installed with the top surface of the device body.

In a preferred embodiment, the fixing plate is made of a metal member, and the fixing plate is located at the bottom end of the device body.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up the structure that the plunger rod is shell, interior pole, connecting block for interior pole carries out piston motion in the shell, has reduceed the device's wearing and tearing greatly, has increased the life of plunger rod, has improved the device's economic benefits.

2. The utility model discloses a set up the motion sealing washer for even the inside plunger rod of the device is under the state of sub-motion, the inside leakproofness of the device body also can obtain fine assurance, greatly increased the device's practicality, make the device's operating mass increase, promoted the device's social benefit and economic nature.

Drawings

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

Fig. 2 is a schematic view of the plunger rod of the present invention.

Fig. 3 is a schematic view of the fixing plate structure of the present invention.

Fig. 4 is a schematic view of the structure of the explosion-proof outlet tube of the present invention.

The reference signs are: 1. a device body; 2. an explosion-proof outlet pipe; 21. an outlet 3 and a cavity; 4. a cylinder bottom; 5. an inner sleeve; 6. a moving seal ring; 7. a plunger rod; 71. a housing; 72. an inner rod; 73; connecting blocks; 8. a fixed block; 9. a fixing plate; 10. a circular hole.

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.

The plunger rod for the pneumatic plunger type spraying machine shown in the attached figures 1-4 comprises a device body 1, wherein an explosion-proof outlet pipe 2 is communicated with the bottom end of the device body 1, a cavity 3 is formed in the bottom inside the device body 1, a cylinder bottom 4 is fixedly installed at the bottom end of the device body 1, an inner sleeve 5 is fixedly installed in the top end of the device body 1, a fixing plate 9 is fixedly installed at the bottom end of the device body 1, a circular hole 10 is formed in the surface of the fixing plate 9, a moving sealing ring 6 is fixedly installed at the bottom end of the device body 1, a plunger rod 7 is fixedly installed at the bottom end of the inner sleeve 5, and a fixing block 8 is.

Referring to the specification and the attached fig. 2, the plunger rod 7 includes an outer shell 71, an inner rod 72 is movably installed inside the outer shell 71, and a connecting block 73 is welded at the bottom end of the inner rod 72.

The implementation mode is specifically as follows: the device can normally operate by using the components of the plunger rod 7, thereby avoiding the influence caused by overhigh wear rate of the device and reducing the wear rate of the device.

Referring to fig. 3 of the specification, the fixing plate 9 is made of a metal member, and the fixing plate 9 is located at the bottom end of the device body 1.

The implementation mode is specifically as follows: the device can normally operate by utilizing the material of the fixing plate 9, and the practicability of the device is improved.

The utility model discloses the theory of operation:

a preparation stage: the various components of the device are first assembled, the device is normally activated, and the operator then places the plunger rod 7 inside the applicator in preparation for the application process, etc.

The working stage is as follows: firstly, the inner rod 71 in the plunger rod 7 performs reciprocating piston motion, then the pressure in the cavity 3 in the device body 1 is increased, then when the pressure in the cavity 3 in the device body is overlarge, the explosion-proof outlet pipe 2 releases the overlarge pressure in the device body 1, the accident of the device is avoided, and then the device body 1 utilizes the air pressure in the cavity 3 to spray the coating on the surface of a part to be processed.

And (5) finishing: the operator first checks the fixity between the various components of the device, shuts the device down normally, then replaces and maintains the severely worn plunger rod 7, and finally the device completes the pressurized spray of paint.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a plunger rod for pneumatic plunger type flush coater, includes device body (1), the bottom of device body (1) communicates with each other has explosion-proof exit tube (2), the inside end of device body (1) is opened and is equipped with cavity (3), the bottom fixed mounting of device body (1) has cylinder bottom (4), the inside fixed mounting in top of device body (1) has endotheca (5), the bottom fixed mounting of device body (1) has fixed plate (9), round hole (10) have been seted up on the surface of fixed plate (9), its characterized in that: the device is characterized in that a moving sealing ring (6) is fixedly mounted at the bottom end of the device body (1), a plunger rod (7) is fixedly mounted at the bottom end of the inner sleeve (5), and a fixing block (8) is bonded at the top end of the plunger rod (7).

2. A plunger rod for a pneumatic plunger type spray applicator as set forth in claim 1 wherein: the top end of the explosion-proof outlet pipe (2) is provided with a pipe outlet (21), and the surface of the pipe outlet (21) is smooth.

3. A plunger rod for a pneumatic plunger type spray applicator as set forth in claim 1 wherein: the volume of the cavity (3) is ten cubic centimeters to twenty cubic centimeters.

4. A plunger rod for a pneumatic plunger type spray applicator as set forth in claim 1 wherein: the cylinder bottom (4) is welded with the device body (1), and the explosion-proof outlet pipe (2) is arranged on the top surface of the left side of the cylinder bottom (4).

5. A plunger rod for a pneumatic plunger type spray applicator as set forth in claim 1 wherein: the outer end of the moving sealing ring (6) is tightly attached to the device body (1), and the inner end of the moving sealing ring (6) is tightly attached to the plunger rod (7).

6. A plunger rod for a pneumatic plunger type spray applicator as set forth in claim 1 wherein: the plunger rod (7) comprises a shell (71), an inner rod (72) is movably mounted inside the shell (71), and a connecting block (73) is welded at the bottom end of the inner rod (72).

7. A plunger rod for a pneumatic plunger type spray applicator as set forth in claim 1 wherein: the surface notch of the fixed block (8) is welded with the plunger rod (7), and the bottom surface of the fixed block (8) is fixedly installed with the top surface of the device body (1).

8. A plunger rod for a pneumatic plunger type spray applicator as set forth in claim 1 wherein: the fixing plate (9) is made of a metal component, and the fixing plate (9) is located at the bottom end of the device body (1).