CN114147466A

CN114147466A - Door matching process and door matching device for wedge type gate plate and seat ring

Info

Publication number: CN114147466A
Application number: CN202010936657.4A
Authority: CN
Inventors: 丁志荣; 陈远; 富文华; 陈军
Original assignee: Neway Valve Suzhou Co Ltd
Current assignee: Neway Valve Suzhou Co Ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2022-03-08
Also published as: WO2022052370A1

Abstract

The invention relates to the technical field of valve assembly, in particular to a door matching process and a door matching device for a wedge type gate plate and a seat ring, wherein the door matching device comprises a vibrating table; the vibrating table comprises a vibrating mechanism and a positioning mechanism, and the positioning mechanism is arranged on the vibrating mechanism and is suitable for fixing the valve body to be matched; the vibrating mechanism is suitable for starting vibration when the valve body to be matched is fixed on the positioning mechanism and the wedge-shaped gate plate is placed in the interval between the two seat rings, so that the wedge-shaped gate plate falls to the sealing surfaces at the two ends of the wedge-shaped gate plate under the action of self gravity and vibration to be attached to the sealing matching surfaces of the two seat rings. Utilize positioning mechanism to fix the valve body on vibration mechanism, open vibration mechanism, utilize the self gravity of wedge flashboard and vibration mechanism's vibration effect for the automatic laminating is accomplished to the sealed fitting surface of the sealed face of two seat circles with the sealed face of the both ends of wedge flashboard along gravity direction whereabouts, has promoted joining in marriage a door efficiency greatly, and efficiency has promoted 80%, and is low to operating personnel's technical requirement.

Description

Door matching process and door matching device for wedge type gate plate and seat ring

Technical Field

The invention belongs to the technical field of valve assembly, and particularly relates to a door matching process and a door matching device for a wedge type gate plate and a seat ring.

Background

The process of matching the gate between the gate plate and the seat ring of the existing wedge gate valve, namely, the process of sealing and fitting the wedge-shaped joint surface of the gate plate and the seat ring, adopts manual operation, not only has high requirements on the technical capability of operators, but also has low efficiency of manually matching the gate, and the time of manually matching the gate usually accounts for 40-50% of the whole assembly time of the valve.

Along with the continuous development of industrial automation, the improvement of production efficiency, the assembly form of valve trade develops to automatic assembly line production mode, and present manual work is joined in marriage the door and can't satisfy actual production's demand.

Disclosure of Invention

The invention aims to solve the technical problems that in the prior art, the gate matching process of the gate plate and the seat ring is manually operated, the requirement on the technical capability of operators is high, the manual gate matching efficiency is low, and the actual production requirement cannot be met, so that the gate matching process of the wedge-type gate plate and the seat ring and the gate matching device are provided.

Therefore, the invention aims to provide a door matching process of a wedge type gate plate and a base, which comprises the following steps:

horizontally fixing a valve body to be matched on a vibration table;

respectively installing the two seat rings into an inner cavity of a valve body to be matched, and reserving a gap for matching the wedge gate plate with the door between the two seat rings;

vertically placing the wedge type gate plate in an interval between the two seat rings, wherein sealing surfaces at two ends of the wedge type gate plate correspond to sealing matching surfaces of the two seat rings one by one;

and starting the vibrating table, and allowing the wedge-type gate plate to fall to two sealing surfaces at two ends of the wedge-type gate plate along the gravity direction to be completely attached to the sealing fitting surfaces of the two seat rings respectively under the vibration action of the vibrating table and the self gravity action of the wedge-type gate plate.

Preferably, in the process for matching the wedge type gate plate with the seat ring, the vibrating table is fixed on a wall.

Preferably, in the process for matching the wedge type gate plate with the seat ring, the two sealing surfaces at the two ends of the wedge type gate plate are completely attached to the sealing matching surfaces of the two seat rings, and the bottommost end of the sealing matching surfaces of the two seat rings is not lower than the bottommost end of the two sealing surfaces of the wedge type gate plate.

Another object of the present invention is to provide a gate fitting apparatus of a wedge type shutter and a seat ring, including a vibration table, the vibration table including:

a vibration mechanism;

and the positioning mechanism is arranged on the vibration mechanism and is suitable for fixing the valve body to be matched.

The vibration mechanism is a vibration motor.

Preferably, the gate device for the wedge gate and the seat ring, and the positioning mechanism is a positioning fixture.

Preferably, the wedge type gate plate and seat ring door matching device is plate-shaped, a positioning hole which is vertically through is formed in the positioning mechanism, and the bottom wall of the valve body to be matched is suitable for being inserted into the positioning hole and at least partially extends out of the outer side of the bottom of the positioning hole.

Preferably, the gate matching device of the wedge-type gate plate and the seat ring further comprises a supporting mechanism, wherein the supporting mechanism is fixedly arranged at the bottom of the positioning mechanism and is suitable for supporting the bottom end of the valve body to be matched.

Preferably, the supporting mechanism is a nylon supporting block.

Preferably, the door arrangement device of wedge type flashboard and seat circle, still including setting up the elevating system of supporting mechanism bottom, elevating system with supporting mechanism connects, is suitable for the drive supporting mechanism is close to or keeps away from positioning mechanism to support when being close to fix the valve body of joining in marriage on the positioning mechanism.

The technical scheme of the invention has the following advantages:

1. according to the door matching process of the wedge type gate plate and the seat ring, provided by the invention, the vibration effect of the vibration table and the self gravity effect of the wedge type gate plate are utilized, so that the wedge type gate plate is automatically and completely attached to the two seat rings, the door matching of the wedge type gate plate and the seat rings is realized, the automatic operation is realized, the door matching efficiency is greatly reduced compared with that of pure manual door matching, the operation is simple, the door matching efficiency is greatly improved, and the efficiency is improved by 80%.

2. The invention provides a gate device for a wedge type gate plate and a seat ring, which comprises: the vibration table comprises a vibration mechanism;

Above-mentioned door gear that joins in marriage of wedge type flashboard and seat circle utilizes positioning mechanism to fix on vibration mechanism waiting to join in marriage the gate valve body, opens vibration mechanism, utilizes the self gravity of wedge flashboard and vibration mechanism's vibration effect for the wedge flashboard is followed the gravity direction and is fallen to the sealed face of sealing at wedge flashboard both ends and the sealed fitting surface of two seat circles and accomplish automatic laminating, has promoted joining in marriage a door efficiency greatly, and efficiency has promoted 80%, and is low to operating personnel's technical requirement.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic longitudinal sectional view of a gate arrangement for a wedge gate and seat ring according to the present invention;

FIG. 2 is a cross-sectional schematic view of a gate arrangement for a wedge gate and seat ring of the present invention;

FIG. 3 is a cross-sectional view of an unfinished mating of a wedge ram and seat ring;

FIG. 4 is a cross-sectional view of a completed gate arrangement of wedge segments and seat rings.

Description of reference numerals:

1-a wall body;

2-a vibration mechanism;

3-a positioning mechanism;

4-a support mechanism;

5-a lifting mechanism;

6-seat ring;

7-wedge gate;

8-valve body of the door to be matched.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The gate device for a wedge gate and a seat ring according to the present embodiment, as shown in fig. 1 to 4, includes a vibration table, and the vibration table includes a vibration mechanism 2, a positioning mechanism 3, a support mechanism 4, and a lifting mechanism 5. The vibration mechanism 2 is adapted to be fixedly mounted on the wall 1. The positioning mechanism 3 is arranged on the vibration mechanism 2 and is suitable for fixing a valve body 8 to be matched. The supporting mechanism 4 is arranged on the vibrating mechanism 2 and positioned at the bottom of the positioning mechanism 3 and is suitable for supporting the valve body 8 to be matched. And the lifting mechanism 5 is arranged on the vibration mechanism 2, is positioned at the bottom of the supporting mechanism 4, is connected with the supporting mechanism 4, is used for driving the supporting mechanism 4 to be close to or far away from the positioning mechanism 3, and supports the valve body 8 to be matched when being close to.

The valve body 8 to be matched is a conventional wedge-shaped gate valve in the existing market and is provided with an inner cavity, the inner cavity forms a flow channel, two seat rings 6 which are opposite at intervals are arranged at the positions of the inner cavity corresponding to a fluid inlet and a fluid outlet, the mutually opposite end surfaces of the two seat rings 6 are sealing matching surfaces, and the sealing matching surfaces are wedge-shaped sealing matching surfaces. Correspondingly, the gate plate is a wedge-shaped gate plate 7 with a wide upper part and a narrow lower part, two end surfaces of the upper part of the wedge-shaped gate plate 7, namely the left end surface and the right end surface as shown in fig. 4, are vertical planes, and the left end surface and the right end surface of the lower part are wedge-shaped sealing surfaces tapered downwards in an inclined mode. The matching of the gate is to complete the joint of the wedge-shaped sealing surfaces at the two ends of the wedge-shaped gate plate 7 and the wedge-shaped sealing matching surfaces of the two seat rings 6 for sealing.

The vibration mechanism 2 is a high-frequency vibration motor commonly available in the existing market, and the specific structure and the working principle are not described and limited in detail here, and can be fixedly installed on the wall body 1 through a motor base and expansion screws.

The positioning mechanism 3 is plate-shaped, specifically, as shown in fig. 1, it is an L-shaped angle steel, and is fixed on the end surface of the vibration mechanism facing away from the wall 1, that is, the right end surface as shown in fig. 1, the positioning mechanism 3 is provided with a positioning hole that is through up and down, the positioning hole is adapted to the shape of the valve body 8 to be matched, that is, the outer wall of the valve body 8 to be matched can be lapped on the outer edge of the positioning hole and fixed on the positioning mechanism, and the bottom end of the valve body 8 to be matched can be inserted and extend out of the bottom of the positioning hole. Optionally, the positioning mechanism 3 may also be an existing conventional positioning fixture, which can be opened and closed to clamp and position the valve body of the door to be matched, and the specific structure and the working principle of the positioning fixture are not described and defined in detail herein.

For the supporting mechanism 4, a downward-recessed clamping groove matched with the outer wall of the valve body 8 to be matched is formed in the end face, abutted to the valve body 8 to be matched, of the supporting mechanism, namely the top end face of the supporting mechanism, and the bottom wall of the valve body 8 to be matched is suitable for being clamped or directly abutted to the clamping groove. Optionally, as shown in fig. 1 and fig. 2, the cross section of the slot is an isosceles trapezoid or an arc, and may also be in other shapes, specifically, without limitation. As an alternative embodiment, no clamping groove may be provided, that is, the top end surface of the supporting mechanism 4 is a plane and directly abuts against the bottom end of the valve body to be matched. Optionally, the supporting mechanism 4 is a nylon supporting block or a supporting mechanism made of soft materials such as rubber.

For the lifting mechanism 5, the cylinder can be selected, the lifting mechanism comprises a cylinder body fixedly connected with the vibrating mechanism 2 and a push rod arranged on the cylinder body and extending vertically, the top end of the push rod is fixedly connected with the bottom end of the supporting mechanism 4, and the push rod is driven by the cylinder to apply thrust to the supporting mechanism 4 so that the bottom end of the valve body 8 to be matched is supported and fixed on the supporting mechanism 4, specifically in a clamping groove on the upper surface of the supporting mechanism 4. Alternatively, the lifting mechanism 5 may be a hydraulic cylinder, a servo motor, a lifting lever, or the like. Alternatively, the supporting mechanism 4 may be directly fixed to the vibrating mechanism 2 and located at the bottom of the positioning mechanism 3 without the lifting mechanism 5, or directly and fixedly installed at the bottom end of the positioning mechanism 3.

Example 2

The invention relates to a door matching process of a wedge type gate plate and a seat ring, which comprises the following steps:

horizontally fixing a valve body of a to-be-matched door on a vibrating mechanism;

and starting the vibration mechanism, and allowing the wedge-type gate plate to fall to two sealing surfaces at two ends of the wedge-type gate plate along the gravity direction under the vibration action of the vibration mechanism and the self gravity action of the wedge-type gate plate to be completely attached to the sealing matching surfaces of the two seat rings respectively.

In particular, the method comprises the following steps of,

firstly, fixing a valve body to be matched in a positioning hole of a positioning mechanism 3, and driving a supporting mechanism 4 to support against the bottom end of the valve body to be matched by a lifting mechanism 5;

secondly, the wedge-shaped gate plate 7 is placed in the inner cavity of the gate valve body to be matched and is placed in the interval between the two seat rings 6, at the moment, as shown in figure 3, the sealing surface and the sealing matching surface are not completely attached, and only part of the attachment is that the upper half part of the sealing surface is attached to the lower half part of the sealing matching surface;

and finally, starting the vibration mechanism 2, and enabling the wedge-shaped gate plate 7 to fall along the gravity direction at intervals under the vibration action of the vibration mechanism 2 and the self gravity action until two sealing surfaces at two ends of the wedge-shaped gate plate 7 are completely attached to the sealing matching surfaces of the two seat rings 6 respectively, so that the matching of the wedge-shaped gate plate 7 and the seat rings 6 is completed. As shown in fig. 4, after the door is matched, the junction of the sealing surface of the wedge-shaped gate plate 7 and the vertical plane of the top end is just approximately equal to the top end of the sealing matching surface of the seat ring 6. Alternatively, after the gate fitting is completed, the lowermost end of the sealing surface of the wedge-shaped shutter 7 may be lower than the lowermost end of the sealing fitting surface of the seat ring 6.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. a door matching technique of wedge gate and seat ring, is characterized in that, comprises the following steps:

Fix the valve body of the door to be fitted horizontally on the vibrating table;

Put the two seat rings into the inner cavity of the valve body to be fitted respectively, and reserve an interval between the two seat rings for the wedge gate to match the door;

The wedge gate is vertically placed in the interval between the two seats, and the sealing surfaces at both ends of the wedge gate correspond one-to-one with the sealing mating surfaces of the two seats;

Start the vibrating table. Under the vibration of the vibrating table and the self-gravity of the wedge gate, the two sealing surfaces of the wedge gate falling to its two ends in the direction of gravity are completely fitted with the sealing mating surfaces of the two seats respectively. .

2 . The door matching process of a wedge gate and a seat ring according to claim 1 , wherein the vibrating table is fixed on the wall. 3 .

3. The door matching process of a wedge gate and a seat ring according to claim 1, wherein the two sealing surfaces at both ends of the wedge gate and the sealing mating surfaces of the two seats are completely fitted as The bottommost ends of the sealing mating surfaces of the two seat rings are not lower than the bottommost ends of the two sealing surfaces of the wedge gate.

4. A door matching device for a wedge-type gate and a seat ring, characterized in that it comprises a vibrating table, and the vibrating table comprises:

Vibration mechanism;

The positioning mechanism is installed on the vibration mechanism and is suitable for fixing the valve body of the door to be equipped.

5 . The door matching process of a wedge gate and a seat ring according to claim 4 , wherein the vibration mechanism is a vibration motor. 6 .

6 . The door matching device for a wedge-type shutter and a seat ring according to claim 4 or 5 , wherein the positioning mechanism is a positioning fixture. 7 .

7 . The door matching device for a wedge-type shutter and a seat ring according to claim 4 or 5 , wherein the positioning mechanism is in the shape of a plate, and a positioning hole that penetrates vertically is provided on the positioning mechanism. 8 . The bottom wall of the valve body is suitable for being inserted into the positioning hole and at least partially extending out of the bottom outer side of the positioning hole.

8. The door matching device for wedge-type shutter and seat ring according to any one of claims 4-7, characterized in that, further comprising a support mechanism, the support mechanism is fixed on the bottom of the positioning mechanism, and is suitable for It is used to support the bottom end of the valve body to be fitted.

9 . The door matching device for a wedge-type shutter and a seat ring according to claim 8 , wherein the supporting mechanism is a nylon supporting block. 10 .

10 . The door arranging device for a wedge gate and a seat ring according to claim 8 or 9 , further comprising a lift mechanism arranged at the bottom of the support mechanism, and the lift mechanism is connected to the support mechanism. 11 . , which is suitable for driving the support mechanism to approach or away from the positioning mechanism, and to support the valve body to be fitted fixed on the positioning mechanism when approaching.