CN212169543U

CN212169543U - Locking cover screwing mechanism of liquefied petroleum gas cylinder valve assembling machine

Info

Publication number: CN212169543U
Application number: CN202020854941.2U
Authority: CN
Inventors: 何军明
Original assignee: Wenling Jinyue Automation Equipment Co ltd
Current assignee: Wenling Jinyue Automation Equipment Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-12-18
Anticipated expiration: 2030-05-20

Abstract

The utility model provides a mechanism is screwed up to locking lid of liquefied petroleum gas cylinder valve kludge belongs to mechanical technical field. The locking cover screwing mechanism solves the problems that a locking cover screwing mechanism of an existing liquefied petroleum gas cylinder valve assembling machine is not ideal in screwing effect and low in working efficiency. This locking lid screwing mechanism of liquefied petroleum gas cylinder valve kludge, including the support, the support is equipped with the compression cylinder and can drives the reciprocal lift cylinder I that goes up and down of compression cylinder, and the compression cylinder is located the upside of carousel, is equipped with on the support can the pivoted rotary rod and drives rotary rod pivoted driving piece, is equipped with the elevating system that can drive the reciprocal lift of rotary rod on the support, and the rotary rod is located the downside of carousel and the coaxial setting of rotary rod and compression cylinder. This locking lid of liquefied petroleum gas cylinder valve kludge screws up mechanism has the better and higher advantage of work efficiency of screwing up the effect.

Description

Locking cover screwing mechanism of liquefied petroleum gas cylinder valve assembling machine

Technical Field

The utility model belongs to the technical field of machinery, a locking cover screwing mechanism, especially a locking cover screwing mechanism of liquefied petroleum gas cylinder valve kludge are related to.

Background

At present, the self-closing valve of the liquefied petroleum gas cylinder valve is mostly assembled manually, the self-closing valve comprises a spring, an air outlet valve seat, high-low pressure leakage detection, a positioning pin and the like which need to be assembled in sequence, and due to the fact that the number of assembling stations is large, the number of actions is large, fatigue can be caused by repeated manual operation, installation errors can be caused, and even industrial accidents or occupational diseases can be caused.

The device for installing the plug (application number: 201420091608.5) as disclosed in the Chinese patent document comprises a bracket, a slide rail is vertically arranged on the bracket, a slide seat which is driven by a cylinder to move up and down is slidably arranged on the slide rail in a positioning manner, a screwing mechanism is arranged on the slide seat, and a rotary feeding mechanism which rotates and sends the plug to the lower part of the screwing mechanism is arranged on one side of the bracket. But when the screwed plug is rotated, the screwing effect is not ideal and the working efficiency is not high.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a mechanism is screwed up to locking lid of the better and higher liquefied petroleum gas cylinder valve kludge of work efficiency of screwing up effect.

The purpose of the utility model can be realized by the following technical proposal: the locking cover screwing mechanism of the liquefied petroleum gas cylinder valve assembling machine comprises a rotary table, a tool is arranged on the rotary table, the locking cover screwing mechanism comprises a support and is characterized in that the support is provided with a pressing cylinder and can drive a lifting cylinder I for reciprocating lifting of the pressing cylinder, the pressing cylinder is located on the upper side of the rotary table, the support is provided with a rotary rod capable of rotating and driving a rotary rod rotating driving piece, the support is provided with a lifting mechanism capable of driving the rotary rod to reciprocate lift, the rotary rod is located on the lower side of the rotary table and the rotary rod is coaxially arranged with the pressing cylinder.

The tooling is arranged on a turntable of the liquefied petroleum gas cylinder valve assembling machine and comprises a positioning barrel arranged on the turntable, a rotary column capable of rotating is arranged in the positioning barrel and can move up and down in a reciprocating mode relative to the positioning barrel, a convex ejector rod and a convex head are arranged in the middle of the upper end of the rotary column, the positioning barrel can move up and down in a reciprocating mode and a reset spring is arranged between the positioning barrel and the turntable. When the turntable drives the tool to rotate to the locking cover screwing mechanism, the tool is sequentially provided with the locking cover, the valve core sleeve, the reset spring, the valve rod and the valve body from bottom to top at the moment, and the ejector rod penetrates through the locking sleeve. The valve body is sleeved at the upper end of the positioning cylinder. When screwing up the locking lid, the upper end that the valve body was pushed down to a driving compression section of thick bamboo of lift cylinder, rethread elevating system drives the rotary rod and rises, and the rotary rod promotes the column spinner and the locking lid of dress on the column spinner rises to the screw hole department of valve body, drives the rotary rod through the driving piece and rotates, and the rotary rod drives the column spinner and rotates and cover the screw in to the valve body with locking, adopts this locking lid to screw up the mechanism, has and screws up the advantage that the effect is better, the equipment effect is higher and reliable operation.

In the locking cover screwing mechanism of the liquefied petroleum gas cylinder valve assembling machine, the piston rod of the lifting cylinder I is fixedly connected with the guide cylinder, the compression cylinder is arranged in the guide cylinder, the guide cylinder is internally provided with a spring, and two ends of the spring respectively abut against the guide cylinder and the compression cylinder. Set up above-mentioned spring, make the clamping cylinder press and have better buffering effect on the valve body, make the lock sleeve can be comparatively smooth and easy screw in to the valve body in, play better protection effect to the valve body simultaneously.

In the locking cover screwing mechanism of the liquefied petroleum gas cylinder valve assembling machine, the lower end of the guide cylinder is fixedly connected with the anti-drop ring, the outer side wall of the pressing cylinder is provided with a convex shoulder, the pressing cylinder penetrates through the anti-drop ring, and the convex shoulder can abut against the inner end face of the anti-drop ring. Through setting up foretell anticreep ring and avoiding the clamping cylinder to drop from the guide cylinder, have simple structure and make reliable operation's advantage.

In the locking cover screwing mechanism of the liquefied petroleum gas cylinder valve assembling machine, the driving piece is a servo motor, and the lower end of the rotating rod is fixedly connected with a main shaft of the servo motor. The driving piece is a servo motor and has the rotating speed capable of controlling the rotating rod, so that the screwing is carried out smoothly.

In the locking cover screwing mechanism of the liquefied petroleum gas cylinder valve assembling machine, the support is provided with a lifting seat capable of lifting in a reciprocating manner, and a shell of the servo motor is fixedly connected to the lifting seat.

In the locking cover screwing mechanism of the liquefied petroleum gas cylinder valve assembling machine, the lifting mechanism is a lifting cylinder II arranged on the support, and a piston rod of the lifting cylinder II is fixedly connected with the lifting seat. The lifting seat is driven to reciprocate through the lifting cylinder II, so that the rotating rod is driven to reciprocate, and the lifting device has the advantages of simple structure and higher working efficiency.

In the locking cover screwing mechanism of the liquefied petroleum gas cylinder valve assembling machine, the lifting mechanism comprises a motor fixedly connected to the support and a lead screw fixedly connected to the support in the vertical axial direction, the motor drives the lead screw to rotate, and the lifting seat is fixedly connected with a screw nut and is connected with the screw nut through threads.

In the locking cover screwing mechanism of the liquefied petroleum gas cylinder valve assembling machine, the support is fixedly connected with a vertically arranged guide rail, the lifting seat is provided with a sliding block, and the guide rail is embedded in the sliding groove of the sliding block. Through setting up foretell guide rail and slider, make the lift of lift seat have better guide effect.

In the locking cover screwing mechanism of the liquefied petroleum gas cylinder valve assembling machine, the lower end of the compression cylinder is fixedly connected with the anti-rotation gasket, and the upper end face of the anti-rotation gasket protrudes out of the lower end face of the compression cylinder. The lower extreme of clamping cylinder links firmly prevents changeing the packing ring, and when clamping cylinder drove to prevent changeing the packing ring and leans on the valve body, can avoid the valve body to rotate, makes in the locking lid can smoothly the screw in to the valve body, has reliable operation's advantage.

Compared with the prior art, the locking cover screwing mechanism of the liquefied petroleum gas cylinder valve assembling machine has the advantages that:

1. when the locking cover is screwed, the lifting cylinder drives the pressing cylinder to press the upper end of the valve body, the lifting cylinder drives the rotating rod to ascend through the lifting cylinder II, the servo motor drives the rotating rod to rotate, and the rotating rod drives the rotating column to rotate to screw the locking cover into the valve body;

2. the spring is arranged in the guide cylinder, and two ends of the spring are respectively abutted against the guide cylinder and the pressing cylinder, so that the pressing cylinder is pressed on the valve body to have a good buffering effect, the locking sleeve can be smoothly screwed into the valve body, and meanwhile, the valve body is well protected;

3. the lower extreme of clamping cylinder links firmly prevents changeing the packing ring, and when clamping cylinder drove to prevent changeing the packing ring and leans on the valve body, can avoid the valve body to rotate, makes in the locking lid can smoothly the screw in to the valve body, has reliable operation's advantage.

Drawings

Fig. 1 is a schematic cross-sectional view of the present locking cap tightening mechanism.

Fig. 2 is an operational view of a rotating lever of the locking cap tightening mechanism.

In the figure, 1, a bracket; 2. a compression cylinder; 2a, a shoulder; 3. a first lifting cylinder; 4. rotating the rod; 5. a drive member; 5a, a servo motor; 6. a lifting mechanism; 6a, a lifting cylinder II; 7. a guide cylinder; 8. a spring; 9. the anti-drop ring; 10. a lifting seat; 11. a guide rail; 12. a slider; 13. an anti-rotation washer; 14. a turntable; 15. assembling; 15a, a positioning cylinder; 15b, a spin column; 15b1, push rod; 15b2, nose; 16. a liquefied petroleum gas cylinder valve; 16a, a locking cover; 16b, a valve core sleeve; 16c, a return spring; 16d, a valve stem; 16e, a valve body.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the locking cap screwing mechanism of the liquefied petroleum gas cylinder valve assembling machine, the liquefied petroleum gas cylinder valve 16 assembling machine includes a turntable 14, a tool 15 is arranged on the turntable 14, and the locking cap screwing mechanism includes a support 1, and is characterized in that the support 1 is provided with a pressing cylinder 2 and a first lifting cylinder 3 capable of driving the pressing cylinder 2 to reciprocate, the pressing cylinder 2 is located on the upper side of the turntable 14, the support 1 is provided with a rotary rod 4 capable of rotating and a driving piece 5 capable of driving the rotary rod 4 to rotate, the driving piece 5 is a servo motor 5a, the lower end of the rotary rod 4 is fixedly connected with a main shaft of the servo motor 5a, and the rotating speed capable of controlling the rotary rod 4 is achieved, so that screwing can be smoothly. The support 1 is provided with a lifting mechanism 6 capable of driving the rotary rod 4 to reciprocate, the rotary rod 4 is positioned at the lower side of the turntable 14, and the rotary rod 4 and the pressing cylinder 2 are coaxially arranged.

A piston rod of the first lifting cylinder 3 is fixedly connected with a guide cylinder 7, the pressing cylinder 2 is arranged in the guide cylinder 7, a spring 8 is arranged in the guide cylinder 7, and two ends of the spring 8 are respectively abutted against the guide cylinder 7 and the pressing cylinder 2. The lower extreme of guide cylinder 7 is linked firmly anticreep ring 9, and the lateral wall of compressing cylinder 2 is equipped with convex shoulder 2a, and compressing cylinder 2 passes anticreep ring 9 and convex shoulder 2a can support and lean on the interior terminal surface of anticreep ring 9, avoids compressing cylinder 2 to drop from the guide cylinder 7, has simple structure and makes the reliable operation advantage.

The support 1 is provided with a lifting seat 10 capable of lifting back and forth, and a shell of the servo motor 5a is fixedly connected to the lifting seat 10. The lifting mechanism 6 is a second lifting cylinder 6a arranged on the support 1, and a piston rod of the second lifting cylinder 6a is fixedly connected with the lifting seat 10. The second lifting cylinder 6a drives the lifting seat 10 to reciprocate, so that the rotating rod 4 is driven to reciprocate, and the lifting device has the advantages of simple structure and high working efficiency. As another mode, the lifting mechanism 6 comprises a motor fixedly connected to the support 1 and a screw rod vertically and axially fixedly connected to the support 1, the motor drives the screw rod to rotate, a nut is fixedly connected to the lifting seat 10, and the screw rod is in threaded connection with the nut.

The support 1 is fixedly connected with a guide rail 11 which is vertically arranged, the lifting seat 10 is provided with a slide block 12, and the guide rail 11 is embedded in a chute of the slide block 12, so that the lifting of the lifting seat 10 has a better guiding effect.

The lower extreme of compressing tightly 2 links firmly prevents changeing packing ring 13 and prevents that the up end of changeing packing ring 13 protrusion in the lower terminal surface of compressing tightly 2.

The tooling 15 is arranged on the turntable 14 of the liquefied petroleum gas cylinder valve 16 assembling machine, the tooling 15 comprises a positioning cylinder 15a arranged on the turntable 14, a rotary column 15b capable of rotating is arranged in the positioning cylinder 15a, the rotary column 15b can reciprocate and lift relative to the positioning cylinder 15a, the middle of the upper end of the rotary column 15b is provided with a convex ejector rod 15b1 and a convex head 15b2, the positioning cylinder 15a can reciprocate and a spring 8 is arranged between the positioning cylinder 15a and the turntable 14. When the turntable 14 drives the tool 15 to turn to the locking cover screwing mechanism, the tool 15 is sequentially provided with the locking cover 16a, the valve core sleeve 16b, the return spring 16c, the valve rod 16d and the valve body 16e from bottom to top, and the ejector rod 15b1 penetrates through the locking sleeve. A valve core sleeve 16b, a return spring 16c, and a valve body 16e sleeved on the upper end of the positioning cylinder 15 a. The lower extreme of column spinner 15b has the bar recess, and the upper end of rotary rod 4 is equipped with bar convex body and bar convex body can inlay in the bar recess. When screwing up locking lid 16a, lift cylinder 3 drives the pressure cylinder 2 and descends to make and prevent changeing the upper end that the packing ring 13 pushed down valve body 16e, rethread two 6a of lift cylinder drive lift seat 10 and servo motor 5a rise, make rotary rod 4 promote the column spinner 15b and adorn the locking lid 16a on column spinner 15b rise to the screw hole department of valve body 16e, drive rotary rod 4 through servo motor 5a and rotate, rotary rod 4 drives column spinner 15b and rotates in with locking lid 16a screw in to valve body 16e, adopt this locking lid screwing up mechanism, it is better to have the screwing up effect, the equipment effect is higher and the reliable advantage of work. The servo motor 5a is provided with a torque sensor, and can sense whether the locking cover is screwed into the valve body or not, so that the working reliability is improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the bracket 1, the pressing cylinder 2, the shoulder 2a, the lifting cylinder one 3, the rotating rod 4, the driving member 5, the servo motor 5a, the lifting mechanism 6, the lifting cylinder two 6a, the guide cylinder 7, the spring 8, the anti-drop ring 9, the lifting seat 10, the guide rail 11, the slider 12, the anti-rotation washer 13, the rotary table 14, the tooling 15, the positioning cylinder 15a, the rotary column 15b, the ejector rod 15b1, the nose 15b2, the lpg cylinder valve 16, the locking cover 16a, the valve core sleeve 16b, the return spring 16c, the valve rod 16d, the valve body 16e, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A locking cover screwing mechanism of the liquefied petroleum gas cylinder valve assembling machine, the liquefied petroleum gas cylinder valve assembling machine comprises a turntable (14), the rotary table (14) is provided with a tool, the locking cover screwing mechanism comprises a bracket (1), it is characterized in that the bracket (1) is provided with a pressing cylinder (2) and a first lifting cylinder (3) which can drive the pressing cylinder (2) to reciprocate, the compressing cylinder (2) is positioned at the upper side of the turntable (14), the bracket (1) is provided with a rotary rod (4) which can rotate and a driving piece (5) which drives the rotary rod (4) to rotate, the bracket (1) is provided with a lifting mechanism (6) which can drive the rotating rod (4) to reciprocate up and down, the rotating rod (4) is positioned at the lower side of the rotating disc (14) and the rotating rod (4) and the pressing cylinder (2) are coaxially arranged.

2. The locking cap screwing mechanism of the liquefied petroleum gas cylinder valve assembling machine according to claim 1, wherein a piston rod of the first lifting cylinder (3) is fixedly connected with a guide cylinder (7), the compression cylinder (2) is arranged in the guide cylinder (7), a spring (8) is arranged in the guide cylinder (7), and two ends of the spring (8) are respectively abutted against the guide cylinder (7) and the compression cylinder (2).

3. The locking cap screwing mechanism of the liquefied petroleum gas cylinder valve assembling machine according to claim 2, wherein the lower end of the guide cylinder (7) is fixedly connected with a drop-proof ring (9), the outer side wall of the compression cylinder (2) is provided with a shoulder (2a), the compression cylinder (2) penetrates through the drop-proof ring (9) and the shoulder (2a) can abut against the inner end face of the drop-proof ring (9).

4. The locking cap screwing mechanism of liquefied petroleum gas cylinder valve assembling machine according to claim 1, 2 or 3, wherein the driving member (5) is a servo motor (5a), and the lower end of the rotating rod (4) is fixedly connected with the main shaft of the servo motor (5 a).

5. The tightening mechanism of the locking cap of the lpg cylinder valve assembly machine according to claim 4, wherein the support (1) is provided with a lifting seat (10) capable of lifting reciprocally, and the housing of the servo motor (5a) is fixedly connected to the lifting seat (10).

6. The locking cap screwing mechanism of the liquefied petroleum gas cylinder valve assembling machine according to claim 5, wherein the lifting mechanism (6) is a second lifting cylinder (6a) arranged on the support (1), and a piston rod of the second lifting cylinder (6a) is fixedly connected with the lifting seat (10).

7. The locking cap screwing mechanism of an assembling machine for liquefied petroleum gas cylinder valves according to claim 5, wherein the lifting mechanism (6) comprises a motor fixedly connected to the support (1) and a lead screw vertically and axially fixedly connected to the support (1), the motor drives the lead screw to rotate, the lifting seat (10) is fixedly connected with a nut, and the lead screw is in threaded connection with the nut.

8. The tightening mechanism for the locking cap of the liquefied petroleum gas cylinder valve assembling machine according to claim 5, wherein the bracket (1) is fixedly connected with a vertically arranged guide rail (11), the lifting seat (10) is provided with a slide block (12), and the guide rail (11) is embedded in a sliding groove of the slide block (12).

9. The locking cap screwing mechanism of liquefied petroleum gas cylinder valve assembling machine according to claim 1, 2 or 3, wherein the lower end of the compression cylinder (2) is fixedly connected with an anti-rotation gasket (13) and the upper end surface of the anti-rotation gasket (13) protrudes out of the lower end surface of the compression cylinder (2).