CN107914241B - Tool for assembling spring of single-acting pneumatic actuator - Google Patents

Tool for assembling spring of single-acting pneumatic actuator Download PDF

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Publication number
CN107914241B
CN107914241B CN201711392819.7A CN201711392819A CN107914241B CN 107914241 B CN107914241 B CN 107914241B CN 201711392819 A CN201711392819 A CN 201711392819A CN 107914241 B CN107914241 B CN 107914241B
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China
Prior art keywords
spring
support
supporting
pneumatic actuator
acting pneumatic
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CN201711392819.7A
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CN107914241A (en
Inventor
刘维军
陈旻子
杨威
张建明
施晓斌
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Bray China Control System Co Ltd
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Bray China Control System Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
  • Prostheses (AREA)

Abstract

The invention provides a tool for assembling a spring of a single-acting pneumatic actuator, which comprises the following components: a work bench; the spring clamp is arranged on the working bench in a turnover manner; the spring clamp comprises two supports which are oppositely arranged and can move relatively, each support is provided with a profiling spring piece, a first supporting step and a second supporting step which are distributed from top to bottom, the profiling spring pieces and the second supporting steps are located at one end of each support, which is close to the other support, and the first supporting steps are located at one end of each support, which is far away from the other support. According to the tool for assembling the single-acting pneumatic actuator spring, when the spring is assembled, the profiling spring piece, the first supporting step and the second supporting step are utilized to support the spring, so that the spring can be well positioned during assembly, the falling risk during assembly of the spring is reduced, the structure of the tool is simple, the operation is convenient, the assembly of the spring can be rapidly completed, and mass production is facilitated.

Description

Tool for assembling spring of single-acting pneumatic actuator
Technical Field
The invention relates to the field of single-acting pneumatic actuators, in particular to a tool for assembling a spring of a single-acting pneumatic actuator.
Background
The single-acting pneumatic actuator is a valve driving device which automatically resets (spring reaction force) by an internal spring under the condition of disconnecting a continuous pressure supply source and performs unidirectional opening or closing actions, and is generally used in dangerous working conditions requiring emergency cutting. The magnitude of the single-acting actuator output torque is provided by a different number of combined (1-6 sets) compression spring assemblies incorporated on either side thereof.
In general, the spring assembly is incorporated into the actuator body in two ways: 1. the actuator body is erected, the end cover is additionally arranged after the spring is vertically placed on one side of the body and is fixed by the screw, the other end spring is arranged after the body is turned over again, and the method has difficult operation for the large-size actuator, low installation efficiency and high cost; 2. the actuator body is horizontal, and the actuator body is put into to spring assembly level, and the horizontal mounting mode is simpler, the high-efficient than erection mounting mode, however, receives spring dead weight and shape distortion's influence, needs the manual work to assist the spring level one by one during horizontal installation and installs the end cover additional after, and the rotatory actuator body of level installs opposite side spring after accomplishing, and current this kind of horizontal mounting mode is when installing multiunit spring, and the spring is difficult to fix a position, and the operation is inconvenient, is difficult for batch production.
Disclosure of Invention
The invention aims to solve the problems, and provides a tool for assembling a single-acting pneumatic actuator spring, which can efficiently complete the installation of the actuator spring and is easy for mass production.
In order to achieve the above object, the present invention provides a tool for spring assembly of a single-acting pneumatic actuator, comprising: a work bench; the spring clamp is arranged on the working bench in a turnover manner; the spring clamp comprises two supports which are oppositely arranged and can move relatively, each support is provided with a profiling spring piece, a first supporting step and a second supporting step which are distributed from top to bottom, the profiling spring pieces and the second supporting steps are located at one end of each support, which is close to the other support, and the first supporting steps are located at one end of each support, which is far away from the other support.
In an embodiment of the present invention, the profiling spring piece includes a mounting portion and a supporting portion connected to each other, the mounting portion is mounted on the bracket by the locking member, the supporting portion extends toward the other bracket, and the supporting portion is in a circular arc shape.
In an embodiment of the present invention, the support is provided with a supporting arc surface corresponding to the supporting portion, and the supporting portion is partially abutted against the supporting arc surface.
In an embodiment of the invention, a groove is further provided on the bracket, and the groove is disposed below the second supporting step.
In an embodiment of the present invention, the method further includes: the front-back sliding component is arranged on the working bench; the rotating shaft fixing frame is arranged on the front-back sliding assembly; the rotating shaft is rotatably arranged on the rotating shaft fixing frame; and the left and right sliding assembly is arranged on the rotating shaft, and the spring clamp is arranged on the left and right sliding assembly.
In an embodiment of the present invention, the front-rear sliding assembly includes a first sliding rail and a second sliding rail that are in sliding fit, the first sliding rail is mounted on the working bench, and the rotating shaft fixing frame is mounted on the second sliding rail;
in an embodiment of the present invention, the left and right sliding assembly includes a sliding rod, a linear bearing seat slidably matched with the sliding rod, and a connecting arm for connecting the sliding rod, wherein the sliding rod is to be mounted on the rotating shaft through the connecting arm, the bracket is mounted on the linear bearing seat, and the two brackets are respectively mounted on different linear bearing seats.
In an embodiment of the invention, the bracket comprises a mounting plate and a supporting plate, the mounting plate and the supporting plate are connected to form an L-shaped structure, the profiling spring piece, the first supporting step and the second supporting step are all arranged on the supporting plate, and the mounting plate is mounted on the linear bearing seat through a locking handle.
In an embodiment of the invention, the rotating shaft fixing frame is provided with a damping screw, and one end of the damping screw is abutted against the rotating shaft.
In an embodiment of the present invention, the method further includes: the rollers are arranged at the top end of the workbench frame in parallel; and the actuator positioning plate is arranged on the roller and is used for installing an actuator.
Compared with the prior art, the beneficial effects of the technical scheme are as follows:
according to the tool for assembling the single-acting pneumatic actuator spring, when the spring is assembled, the profiling spring piece, the first supporting step and the second supporting step are utilized to support the spring, so that the spring can be well positioned during assembly, the falling risk during assembly of the spring is reduced, the structure of the tool is simple, the operation is convenient, the assembly of the spring can be rapidly completed, and mass production is facilitated.
Drawings
FIG. 1 is a front view of a tooling for single-acting pneumatic actuator spring assembly of the present invention for assembling springs;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a partial side view of FIG. 1;
FIG. 5 is a schematic view of the spring clamp of the tooling for spring assembly of a single-acting pneumatic actuator of the present invention.
Detailed Description
The technical scheme of the invention is clearly and completely described below by means of specific embodiments in combination with the accompanying drawings.
Referring to fig. 1-5, the present invention provides a tool for spring assembly of a single-acting pneumatic actuator, comprising: the work bench 1 and the spring clamp 2. The spring clamp 2 is arranged on the working bench 1 in a reversible manner. The spring clamp 2 comprises two brackets 21 which are oppositely arranged and can move relatively, each bracket 21 is provided with a profiling spring piece 22, a first supporting step 201 and a second supporting step 202 which are distributed from top to bottom, the profiling spring piece 22 and the second supporting step 202 are positioned at one end of each bracket 21, which is close to the other bracket 21, and the first supporting step 201 is positioned at one end of each bracket 21, which is far away from the other bracket 21.
When the spring 200 is assembled in the actuator body 100, the actuator body 100 is horizontally placed on the working bench 1, one end of the actuator body faces the tool, the spring clamp 2 is turned over to the upper part of the working bench 1, the spring 200 is installed in the actuator body 100 through the bracket 21, and the spring 200 can be supported by the profiling spring piece 22, the first supporting step 201 and the second supporting step 202, so that the problem of difficult positioning of the spring 200 is solved, and the assembly of the spring 200 can be completed rapidly. Therefore, the tool for assembling the single-acting pneumatic actuator spring, disclosed by the invention, has the advantages that the profiling spring piece 22, the first supporting step 201 and the second supporting step 202 are utilized to support the spring 200, so that the spring 200 can be well positioned during assembly, the structure of the tool is simple, the operation is convenient, and the mass production is facilitated.
In one embodiment, the profile modeling spring piece 22 includes a mounting portion 221 and a supporting portion 222, where the mounting portion 221 is mounted on the bracket 21 by a locking element, and the supporting portion 222 extends toward the other bracket 21, and the supporting portion 222 has a circular arc shape. The shape of the supporting portion 222 is adapted to the shape of the spring 200, and the elastic force of the supporting portion 222 is greater than the gravity of the spring 200, so that the supporting portion 222 can firmly support the spring 200, and the spring 200 is positioned. Further, the mounting portion 221 is mounted on the bracket 21 by a screw, so that the mounting manner is very simple and the mounting is reliable.
The support 21 is provided with a supporting arc surface 210 corresponding to the supporting portion 222, and the supporting portion 222 is partially abutted against the supporting arc surface 210. The supporting arc surface 210 plays a certain supporting role on the supporting portion 222 of the bracket 21, and because the supporting portion 222 needs to hold the spring 200, a certain requirement on the elastic force of the profiling spring piece 22 is provided, and the elastic force requirement on the profiling spring piece 22 can be reduced by arranging the supporting arc surface 210.
The bracket 21 is further provided with a groove 203, and the groove 203 is disposed below the second supporting step 202, so that when the actuator end cover 300 is mounted, the fastening screw passes through the groove 203 to mount the actuator end cover 300 on the actuator body 100.
In one embodiment, the tool for spring assembly of a single-acting pneumatic actuator further comprises: a front-back sliding component 3, a rotating shaft fixing frame 4, a rotating shaft 5 and a left-right sliding component 6. The front-back sliding component 3 is mounted on the workbench frame 1; the rotating shaft fixing frame 4 is arranged on the front-rear sliding component 3; the rotating shaft 5 is rotatably arranged on the rotating shaft fixing frame 4; the left and right sliding components 6 are mounted on the rotating shaft 5, and the spring clamp 2 is mounted on the left and right sliding components 6. In this embodiment, the front and back sliding component 3 is provided, the rotating shaft 5 can move back and forth relative to the working bench 1, so that the working bench is conveniently pulled out for use, and pushed back into the working bench 1 when not in use, so as to reduce the occupied space. The rotating shaft 5 is rotatably arranged on the rotating shaft fixing frame 4, the left and right sliding assembly 6 is arranged on the rotating shaft 5, and the spring clamp 2 is arranged on the left and right sliding assembly 6, so that the spring clamp 2 can be arranged on the working bench 1 in a turnover mode. The left and right slide assemblies 6 are provided so that the spring clamps 2 can move linearly in the left and right directions, thereby separating or folding the two brackets 21.
In an embodiment, the front-rear sliding assembly 3 includes a first sliding rail 31 and a second sliding rail 32 in sliding fit, the first sliding rail 31 is installed on the working bench 1, the rotating shaft fixing frame 4 is installed on the second sliding rail 32, and then the rotating shaft fixing frame 4 can move back and forth relative to the working bench 1, and can also drive the rotating shaft 5, the left-right sliding assembly 6 and the spring clamp 2 to move back and forth relative to the working bench 1 together.
In one embodiment, the shaft fixing frame 4 is provided with a damping screw 41, and one end of the damping screw 41 abuts against the shaft 5. When the fixture is used for assembling the spring 200, the spring fixture 2 is turned over to the upper part of the working bench 1, after the assembly is completed, the spring fixture 2 is turned over to put down the fixture, as shown in fig. 4, the solid line part indicates the state that the spring fixture 2 is turned upwards, the dotted line part indicates the state that the spring fixture 2 is turned downwards, due to the self gravity of the spring fixture 2, the rotation speed of the rotating shaft 5 is faster in the process of putting down the spring fixture 2, the rotation speed of the rotating shaft 5 can be reduced by the damping screw 41, and the spring fixture 2 is prevented from shaking or colliding greatly.
In an embodiment, the left-right sliding assembly 6 includes a sliding rod 61, a linear bearing seat 62 slidably engaged with the sliding rod 61, and a connecting arm 63 connected to the sliding rod 61, the sliding rod 61 is mounted on the rotating shaft 5 through the connecting arm 63, the brackets 21 are mounted on the linear bearing seat 62, and the two brackets 21 are respectively mounted on different linear bearing seats 62, so that the two brackets 21 can be respectively moved left and right along the sliding rod 61, thereby separating the two brackets 21 or folding the two brackets 21, and the operation is very convenient.
In an embodiment, the bracket 21 includes a mounting plate 211 and a support plate 212, the mounting plate 211 and the support plate 212 are connected to form an L-shaped structure (as shown in fig. 4), the profiling spring piece 22, the first support step 201 and the second support step 202 are all disposed on the support plate 212, the mounting plate 211 is mounted on the linear bearing seat 62 through the locking handle 7, the structure is very convenient to mount, and the spring clamps 2 with different sizes can be replaced according to the size of the spring 200 to be assembled, so that the use is very convenient. Further, the locking handle 7 is provided with threads, the mounting plate 211 is provided with a through hole, the linear bearing seat 62 is provided with a threaded hole, and the locking handle 7 can be locked in the threaded hole by penetrating through the through hole and screwing.
The tool for assembling the spring of the single-acting pneumatic actuator further comprises: an actuator positioning plate 8 and a plurality of rollers 9. The rollers 9 are arranged at the upper end of the workbench 1 in parallel, and the actuator positioning plate 8 is arranged on the rollers 9 and used for placing actuators. During assembly, the single-acting pneumatic actuator body 100 is placed on the actuator positioning plate 8, the actuator positioning plate 8 and the actuator body 100 on the actuator positioning plate can be driven to move to a preset position through the rolling of the roller 9, namely, the position corresponding to the spring clamp 2 is set, the actuator positioning plate 8 and the roller 9 can automatically move the actuator body 100 to the preset position through motor control, and manual carrying of the actuator body 100 is not needed, so that the production efficiency is greatly improved.
In summary, the working principle of the tool for assembling the spring of the single-acting pneumatic actuator is as follows: when the novel spring clamp is used, firstly, the actuator body 100 to be assembled is transferred to a preset position through the roller 9 and fixed, the front and rear sliding assemblies 3 are manually pulled out to the forefront end, the rotating shaft 5 is rotated to enable the left and right sliding assemblies 6 on the rotating shaft 5 to face upwards, and after the spring clamps 2 with corresponding specifications are replaced, the two supports 21 are locked through locking handles. Pushing the two brackets 21 to fold towards the center, as shown in fig. 1, loading the springs 200 according to different number requirements after positioning, wherein the springs 200 are in a horizontal state under the support of the profiling spring piece 22, the first support step 201 and the second support step 202. The actuator end cover 300 is directly added, the actuator end cover 300 is fixed by using the fastening screw passing through the groove 203, after the fastening screw is screwed into the actuator body 100, the two brackets 21 can be pulled in opposite directions to separate the two brackets, and finally the fastening screw on the actuator end cover 300 can be screwed. Then, the actuator body 100 is rotated 180 degrees, and the bracket 21 is folded again to complete the installation of the other side spring 200 in the same manner. The tool is compact in structure and convenient to operate, the assembly efficiency of the spring 200 is greatly improved, the labor intensity is reduced, the falling risk in the installation process of the large-size spring 200 is reduced, and the safety is remarkably improved.
Although the present invention has been described in terms of the preferred embodiments, it is not intended to be limited to the embodiments, and any person skilled in the art can make any possible variations and modifications to the technical solution of the present invention by using the methods and technical matters disclosed above without departing from the spirit and scope of the present invention, so any simple modifications, equivalent variations and modifications to the embodiments described above according to the technical matters of the present invention are within the scope of the technical matters of the present invention.

Claims (7)

1. A frock for single-acting pneumatic actuator spring assembly, characterized in that includes:
a work bench; and
the spring clamp is arranged on the working bench in a turnover manner;
the spring clamp comprises two supports which are oppositely arranged and can move relatively, each support is provided with a profiling spring piece, a first supporting step and a second supporting step which are distributed from top to bottom, the profiling spring piece and the second supporting step are positioned at one end of the support, which is close to the other support, and the first supporting step is positioned at one end of the support, which is far away from the other support;
the profiling spring piece comprises a mounting part and a supporting part which are connected, the mounting part is mounted on the bracket through a locking piece, the supporting part extends towards the other bracket, and the supporting part is arc-shaped;
the support is provided with a supporting cambered surface corresponding to the supporting part, and the supporting part is partially abutted against the supporting cambered surface;
the front-back sliding component is arranged on the working bench;
the rotating shaft fixing frame is arranged on the front-back sliding assembly;
the rotating shaft is rotatably arranged on the rotating shaft fixing frame; and
the left-right sliding component is arranged on the rotating shaft, and the spring clamp is arranged on the left-right sliding component.
2. The tooling for spring assembly of a single-acting pneumatic actuator of claim 1, wherein the bracket is further provided with a groove disposed below the second support step.
3. The tooling for spring assembly of a single-acting pneumatic actuator of claim 1, wherein the fore-aft sliding assembly comprises a first slide rail and a second slide rail in sliding engagement, the first slide rail mounted to the work bench, and the spindle mount mounted to the second slide rail.
4. The tool for assembling a spring of a single-acting pneumatic actuator according to claim 1, wherein the left and right sliding assemblies comprise a sliding rod, a linear bearing seat in sliding fit with the sliding rod and a connecting arm for connecting the sliding rod, the sliding rod is mounted on the rotating shaft through the connecting arm, the support is mounted on the linear bearing seat, and the two supports are respectively mounted on different linear bearing seats.
5. The tooling for spring assembly of a single-acting pneumatic actuator of claim 4, wherein the bracket comprises a mounting plate and a support plate, the mounting plate and the support plate are connected to form an L-shaped structure, the profiling spring piece, the first support step and the second support step are all arranged on the support plate, and the mounting plate is mounted on the linear bearing seat through a locking handle.
6. The tooling for spring assembly of a single-acting pneumatic actuator of claim 1, wherein the spindle mount is provided with a damping screw having one end thereof abutting the spindle.
7. The tooling for single-acting pneumatic actuator spring assembly of claim 1, further comprising:
the rollers are arranged at the top end of the workbench frame in parallel; and
and the actuator positioning plate is arranged on the roller and is used for installing an actuator.
CN201711392819.7A 2017-12-21 2017-12-21 Tool for assembling spring of single-acting pneumatic actuator Active CN107914241B (en)

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CN201711392819.7A CN107914241B (en) 2017-12-21 2017-12-21 Tool for assembling spring of single-acting pneumatic actuator

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CN107914241B true CN107914241B (en) 2024-03-26

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19959177A1 (en) * 1999-12-08 2001-09-06 Still Gmbh Automotive brake actuator of spring and cylinder uses relatively moving components of linear guide mounting both spring and cylinder to vary guide length and so define piston travel and spring change.
CN104411461A (en) * 2012-10-26 2015-03-11 哈蔡特沃克霍曼泽维有限责任两合公司 Stationary spring tensioning apparatus
CN204649409U (en) * 2015-05-18 2015-09-16 北京汽车研究总院有限公司 A kind of volute spring endurance test tool
CN204893901U (en) * 2015-07-29 2015-12-23 重庆市上泽机电有限公司 Rotary type car leaf spring set assembling frame
CN205989156U (en) * 2016-08-17 2017-03-01 斯加特流体控制设备(成都)有限公司 Horizontal spring assembling device for the assembling of large-scale pneumatic hydraulic actuator spring
CN207724237U (en) * 2017-12-21 2018-08-14 博雷(中国)控制系统有限公司 Tooling for the assembly of single-action pneumatic executor spring

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19959177A1 (en) * 1999-12-08 2001-09-06 Still Gmbh Automotive brake actuator of spring and cylinder uses relatively moving components of linear guide mounting both spring and cylinder to vary guide length and so define piston travel and spring change.
CN104411461A (en) * 2012-10-26 2015-03-11 哈蔡特沃克霍曼泽维有限责任两合公司 Stationary spring tensioning apparatus
CN204649409U (en) * 2015-05-18 2015-09-16 北京汽车研究总院有限公司 A kind of volute spring endurance test tool
CN204893901U (en) * 2015-07-29 2015-12-23 重庆市上泽机电有限公司 Rotary type car leaf spring set assembling frame
CN205989156U (en) * 2016-08-17 2017-03-01 斯加特流体控制设备(成都)有限公司 Horizontal spring assembling device for the assembling of large-scale pneumatic hydraulic actuator spring
CN207724237U (en) * 2017-12-21 2018-08-14 博雷(中国)控制系统有限公司 Tooling for the assembly of single-action pneumatic executor spring

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