CN114310794B - A spring cylinder assembly compression spring tooling - Google Patents
A spring cylinder assembly compression spring tooling Download PDFInfo
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- CN114310794B CN114310794B CN202210101746.6A CN202210101746A CN114310794B CN 114310794 B CN114310794 B CN 114310794B CN 202210101746 A CN202210101746 A CN 202210101746A CN 114310794 B CN114310794 B CN 114310794B
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Abstract
本发明涉及一种弹簧缸筒装配压缩弹簧工装。其包括弹簧缸筒组件、气室缸体部件、弹簧丝杆、弹簧拉杆；所述弹簧缸筒组件包括筒体、弹簧前盖、压缩弹簧、弹簧座、导向缸体，所述压缩弹簧设于筒体内，所述弹簧前盖、导向缸体分别连接于筒体的底端与上端，所述弹簧座可移动地设于导向缸体内，所述压缩弹簧的两端分别与弹簧前盖、弹簧座相抵；所述气室缸体部件包括推杆，所述推杆依次与弹簧丝杆、弹簧拉杆相连，所述弹簧拉杆穿过弹簧前盖与弹簧座相连。本发明具有在压缩弹簧预紧力值范围不受限制、可压缩弹簧的自由高度范围广、装配效率高等优点。
The present invention relates to a spring cylinder assembly compression spring tool. It includes a spring cylinder assembly, an air chamber cylinder body component, a spring screw rod, and a spring pull rod; the spring cylinder assembly includes a cylinder body, a spring front cover, a compression spring, a spring seat, and a guide cylinder body, the compression spring is arranged in the cylinder body, the spring front cover and the guide cylinder body are respectively connected to the bottom end and the upper end of the cylinder body, the spring seat is movably arranged in the guide cylinder body, and the two ends of the compression spring are respectively against the spring front cover and the spring seat; the air chamber cylinder body component includes a push rod, the push rod is connected to the spring screw rod and the spring pull rod in turn, and the spring pull rod passes through the spring front cover and is connected to the spring seat. The present invention has the advantages of no restrictions on the range of the preload value of the compression spring, a wide range of the free height of the compressible spring, and high assembly efficiency.
Description
Technical Field
The invention relates to the technical field of pneumatic actuator assembly, in particular to a compression spring tool for assembling a spring cylinder barrel.
Background
The pneumatic actuating mechanism is an actuating device for driving the opening and closing or adjusting valve by using air pressure, the pneumatic actuating mechanism opens the valve under the condition of ventilation and is automatically closed under the condition of no ventilation source, and the single-acting pneumatic actuating mechanism is automatically reset by a spring and is generally used in dangerous working conditions.
In the prior art, regarding the assembly of the spring cylinder member, a hydraulic press is generally adopted to compress a compression spring in a spring cylinder, a circle of the spring back cover is spot welded on the spring cylinder under the state of keeping the spring compressed, the hydraulic press continuously keeps the state of compressing the spring until the welding cooling is finished, and then the hydraulic press can be removed from the hydraulic press for welding and reinforcing again for subsequent assembly, wherein the welding waiting cooling time is long, the hydraulic press is kept in the compressed state for a long time and cannot be used, the assembly efficiency is low, the service life of the press is reduced, and the circle of the spot welded spring back cover also has a safety risk.
Therefore, selecting a compression spring fixture or device to meet the requirement of the spring with a large pre-tightening force value, a high free height of the spring, and ensuring safe and efficient assembly is a serious problem for manufacturers of production actuators.
Disclosure of Invention
In order to solve the technical problems, the invention provides a compression spring assembly fixture for a spring cylinder barrel, which comprises a working platform, wherein the working platform comprises a working platform, the working platform is installed on the ground and is provided with a spring cylinder barrel assembly, an air chamber cylinder body part, a mounting bracket, a displacement sensor, a spring screw rod and a spring pull rod;
The mounting bracket is mounted on the working platform, a spring cylinder barrel assembly is mounted on the mounting bracket, the air chamber cylinder body component is mounted at the bottom of the working platform, and the air chamber cylinder body component is connected with an air source control system for controlling air pressure in the air chamber cylinder body component;
The spring cylinder barrel assembly comprises a barrel body, a spring front cover, a compression spring, a spring seat and a guide cylinder body, wherein the compression spring is arranged in the barrel body, the spring front cover and the guide cylinder body are respectively connected to the bottom end and the upper end of the barrel body, the spring seat is movably arranged in the guide cylinder body, and two ends of the compression spring are respectively propped against the spring front cover and the spring seat;
The air chamber cylinder body part comprises a push rod, the push rod is sequentially connected with the spring screw rod and the spring pull rod, and the spring pull rod penetrates through the spring front cover to be connected with the spring seat; the spring seat moves along the guide cylinder body under the action of the push rod so as to compress the compression spring; the mounting bracket is provided with a displacement sensor, and the displacement sensor is used for detecting the displacement distance of the spring pull rod.
In one embodiment of the invention, the spring front is attached to the front of the mounting bracket.
In one embodiment of the invention, the air chamber cylinder part further comprises a front cylinder cover and a rear cylinder cover, wherein the rear cylinder cover is connected with the working platform and is positioned below the working platform, the rear cylinder cover is provided with a rear cylinder cover air hole, and the front cylinder cover is provided with a front cylinder cover air hole.
In one embodiment of the invention, the air source control system comprises an air inlet and outlet switch, a locking valve, a first air control valve, a second air control valve, a reversing valve, a filter pressure reducing valve, a first three-way pipe and a second three-way pipe;
The first three-way pipe is respectively connected with an air source, an air inlet and outlet switch and a filter pressure reducing valve, the reversing valve is respectively connected with the filter pressure reducing valve, a first pneumatic control valve and a second pneumatic control valve, the locking valve is connected with the air inlet and outlet switch, the second three-way pipe is respectively connected with the first pneumatic control valve, the second pneumatic control valve and the locking valve, the air hole of the rear cylinder cover is connected with the first pneumatic control valve, and the air hole of the front cylinder cover is connected with the second pneumatic control valve.
In one embodiment of the invention, the push rod and the spring screw rod and the spring pull rod are connected through a half.
In one embodiment of the invention, the working platform is further provided with a protective cover for protecting the spring fixture.
In one embodiment of the invention, the spring screw sleeve is provided with a round washer, which is located on the back of the bracket of the mounting bracket.
Compared with the prior art, the compression spring tool for assembling the spring cylinder barrel has the following advantages: the range of the pretightening force of the compression spring is not limited, the free height range of the compressible spring is wide, and the assembly efficiency is high.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
Fig. 1 is a schematic structural view of a spring cylinder barrel assembly compression spring tooling of the invention.
FIG. 2 is a schematic diagram of an air source control system according to the present invention.
FIG. 3 is a schematic diagram of the connection of the spring cylinder assembly compression spring tooling and the air source control system of the present invention.
Description of the specification reference numerals: 1. a working platform; 2. an air chamber cylinder block component; 2a, a rear cylinder cover; 2b, pushing rod; 2c, air holes of the rear cylinder cover; 2d, air holes of the front cylinder cover; 3. a mounting bracket; 3a, the back of the bracket; 3b, the front surface of the bracket; 4. a protective cover; 5. a spring cylinder assembly; 5a, compressing a spring; 5b, spring seats; 5c, a spring front cover; 6. a guide cylinder; 7. a spring pull rod; 8. a round washer; 9. hafu; 10. a spring screw rod; 11. a displacement sensor; 12. an air source control system; 13. an air inlet and outlet switch; 14. a locking valve; 15. a first pneumatic valve; 16. a reversing valve; 17. a filter pressure reducing valve; 18. and a first three-way pipe.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The words "inner" and "outer" are used to refer to directions toward or away from, respectively, the geometric center of a particular component.
Referring to fig. 1, the invention discloses a compression spring assembly fixture for a spring cylinder barrel, which comprises a spring cylinder barrel assembly 5, an air chamber cylinder body part 2, a mounting bracket 3, a spring screw 10, a spring pull rod 7 and a displacement sensor 11, wherein the spring cylinder barrel assembly 5, the air chamber cylinder body part 2, the mounting bracket, the spring screw 10 and the spring pull rod 7 are arranged on a working platform 1; the working platform 1 is arranged on the ground; the mounting bracket 3 is mounted on the working platform 1, a spring cylinder assembly 5 is mounted on the mounting bracket 3, the air chamber cylinder component 2 is mounted at the bottom of the working platform 1, and the air chamber cylinder component 2 is connected with an air source control system 12 for controlling air pressure in the air chamber cylinder component 2;
The spring cylinder barrel assembly 5 comprises a barrel body, a spring front cover 5c, a compression spring 5a, a spring seat 5b and a guide cylinder body 6, wherein the compression spring 5a is arranged in the barrel body, the spring front cover 5c and the guide cylinder body 6 are respectively connected to the bottom end and the upper end of the barrel body, the spring seat 5b is movably arranged in the guide cylinder body 6, the guide cylinder body 6 plays a role in guiding the movement of the spring seat 5b, and two ends of the compression spring 5a respectively prop against the spring front cover 5c and the spring seat 5 b;
The air chamber cylinder body part 2 comprises a push rod 2b, the push rod 2b is sequentially connected with a spring screw rod 10 and a spring pull rod 7, and the spring pull rod 7 passes through a spring front cover 5c to be connected with a spring seat 5 b; the mounting bracket is provided with the displacement sensor 11 for detecting the displacement distance of the spring pull rod 7, the displacement sensor 11 transmits signals, whether the spring compression meets the next assembly requirement can be directly judged according to the provided data, more visual judgment is realized, and the assembly efficiency is improved.
Specifically, the spring front cover 5c is welded at the lower end of the cylinder, a bushing and a sealing ring are assembled in an inner hole of the spring front cover 5c, the compression spring 5a is put into the cylinder, the spring seat 5b is pressed on the compression spring 5a, and then the guide cylinder 6 is sleeved on the cylinder; the push rod 2b is connected with the spring screw rod 10, and the spring screw rod 10 is connected with the spring pull rod 7 through a half 9.
Through the structure, the spring cylinder barrel assembly compression spring tool reduces the spot welding spring rear cover in the next procedure, reduces welding cooling waiting time, can continuously assemble the tool, and improves assembly efficiency while ensuring safety.
Specifically, the spring front cover 5c is attached to the bracket front face 3b of the mounting bracket 3; the air chamber cylinder body part 2 is an air chamber cylinder body part, the air chamber cylinder body part comprises a rear cylinder cover 2a, and the rear cylinder cover 2a is connected with the working platform 1 and is positioned below the working platform 1. In this embodiment, drilling holes are uniformly distributed in the center of the working platform 1, the hexagon socket head cap 2a is screwed into the thread of the rear cylinder cap 2a, the corresponding drilling position of the working platform 1 is inserted from the lower side of the working platform 1 upwards, the air chamber cylinder body component is fixed under the working platform 1 by using nuts, the mounting bracket 3 is hoisted on the working platform 1, the bottom hole position of the bracket corresponds to the position of the threaded hole on the working platform 1, and the hexagon socket head cap is screwed to fix the bracket on the working platform 1. The working platform 1 is further provided with a protective cover 4 for protecting the spring tool, the protective cover 4 is arranged around the spring cylinder barrel part to be assembled, the safety assembly of assembly personnel is guaranteed, and the safety of production assembly is greatly improved.
Specifically, the air supply control system 12 includes a control panel and is mounted in a designated safety area. The air chamber cylinder body component further comprises a front cylinder cover, the rear cylinder cover 2a comprises a rear cylinder cover air hole 2c, and the front cylinder cover comprises a front cylinder cover air hole 2d; the air source control system 12 comprises an air inlet and outlet switch 13, a locking valve 14, a first air control valve 15, a second air control valve, a reversing valve 16, a filter reducing valve 17, a first three-way pipe 18 and a second three-way pipe; the first three-way pipe 18 is respectively connected with an air source, the air inlet and outlet switch 13 and the filter pressure reducing valve 17, the air source uses an air pipe with the diameter of 8mm, the reversing valve 16 is respectively connected with the filter pressure reducing valve 17, the first air control valve 15 and the second air control valve, the locking valve 14 is connected with the air inlet and outlet switch 13, the second three-way pipe is respectively connected with the first air control valve 15, the second air control valve and the locking valve 14, the rear cylinder cover air hole 2c is connected with the first air control valve 15, and the front cylinder cover air hole 2d is connected with the second air control valve. By the arrangement of the connection mode, the air pressure in the air chamber cylinder body part is maintained under the condition that the air source suddenly disappears, and the compression spring 5a is prevented from rebounding; and the range of the pretightening force value of the compression spring 5a is not limited, only the compression pretightening force value of the spring is not larger than the thrust value of the air chamber cylinder body component, the free height range of the compressible spring is wide, the problem of insufficient stroke of the hydraulic press is not needed to be considered, and the assembly universality is improved.
Specifically, the spring screw 10 is sleeved with a round washer 8, and the round washer 8 is located on the support back 3a of the mounting support 3. When the compression spring 5a rebounds, the spring seat 5b and the spring rod 7 rebound, and the round washer 8 is pressed against the half 9 and the spring front cover 5c, so that the rebound of the compression spring 5a can be prevented.
Working principle: the round washer 8 is sleeved into the extending screw rod, the spring screw rod 10 and the push rod 2b extending out of the air chamber cylinder body part are locked by using a half 9, the air chamber cylinder body part ventilation push rod 2b is contracted downwards to drive the spring seat 5b to move downwards, so that the compression spring 5a is compressed, a displacement distance transmission signal of the spring pull rod 7 is analyzed through the displacement sensor 11, whether the compression reserved space of the compression spring 5a meets the requirement of next step assembly is judged, after the compression is finished, the round washer 8 is taken to the back surface 3a of the support, the spring screw rod 10 is locked by using the half 9, then the air chamber cylinder body part cylinder chamber is exhausted, the half 9 locked on the push rod 2b and connected with the screw rod is removed, and after the assembly is finished, the assembled spring cylinder body assembly is hoisted down for next step assembly.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210101746.6A CN114310794B (en) | 2022-01-27 | 2022-01-27 | A spring cylinder assembly compression spring tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210101746.6A CN114310794B (en) | 2022-01-27 | 2022-01-27 | A spring cylinder assembly compression spring tooling |
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| Publication Number | Publication Date |
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| CN114310794A CN114310794A (en) | 2022-04-12 |
| CN114310794B true CN114310794B (en) | 2024-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210101746.6A Active CN114310794B (en) | 2022-01-27 | 2022-01-27 | A spring cylinder assembly compression spring tooling |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097055A (en) * | 2014-07-16 | 2014-10-15 | 无锡凯绎科技有限公司 | Pneumatic assembling tool for compression springs |
| CN108656024A (en) * | 2018-05-18 | 2018-10-16 | 武汉三江航天远方科技有限公司 | Spring cylinder spring and its assembly tooling and method |
| CN216803313U (en) * | 2022-01-27 | 2022-06-24 | 无锡智能自控工程股份有限公司 | Spring cylinder assembles compression spring frock |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4069290B2 (en) * | 2002-08-30 | 2008-04-02 | カヤバ工業株式会社 | Valve and damping device using the same |
| CN103170840B (en) * | 2013-03-29 | 2016-04-06 | 浙江华尔士自控仪表阀门有限公司 | A kind of spring cylinder assembly technology |
| CN104632782B (en) * | 2015-02-10 | 2016-10-26 | 无锡智能自控工程股份有限公司 | Hydraulic stroke for pneumatic actuator locks mechanism |
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2022
- 2022-01-27 CN CN202210101746.6A patent/CN114310794B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097055A (en) * | 2014-07-16 | 2014-10-15 | 无锡凯绎科技有限公司 | Pneumatic assembling tool for compression springs |
| CN108656024A (en) * | 2018-05-18 | 2018-10-16 | 武汉三江航天远方科技有限公司 | Spring cylinder spring and its assembly tooling and method |
| CN216803313U (en) * | 2022-01-27 | 2022-06-24 | 无锡智能自控工程股份有限公司 | Spring cylinder assembles compression spring frock |
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| CN114310794A (en) | 2022-04-12 |
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