CN113147076A - Three-stage amplification semi-automatic force increasing mechanism - Google Patents

Three-stage amplification semi-automatic force increasing mechanism Download PDF

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Publication number
CN113147076A
CN113147076A CN202110412754.8A CN202110412754A CN113147076A CN 113147076 A CN113147076 A CN 113147076A CN 202110412754 A CN202110412754 A CN 202110412754A CN 113147076 A CN113147076 A CN 113147076A
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CN
China
Prior art keywords
lever
hinged
supporting plate
pressing block
connecting rod
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Pending
Application number
CN202110412754.8A
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Chinese (zh)
Inventor
洪振兴
巩立强
王铁兴
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Anshan Zizhu Rail Transportation Equipment Co ltd
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Anshan Zizhu Rail Transportation Equipment Co ltd
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Application filed by Anshan Zizhu Rail Transportation Equipment Co ltd filed Critical Anshan Zizhu Rail Transportation Equipment Co ltd
Priority to CN202110412754.8A priority Critical patent/CN113147076A/en
Publication of CN113147076A publication Critical patent/CN113147076A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B13/00Methods of pressing not special to the use of presses of any one of the preceding main groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The three-stage amplification semi-automatic force increasing mechanism comprises eccentric wheels, levers, supporting plates, connecting rods, high-strength pressing blocks and manual rods, wherein the levers are triangular, the two levers are symmetrically arranged and hinged to each other at one end point of the triangle, the second end point of each lever is hinged to the connecting rod, the third end point of each lever is hinged to the high-strength pressing block, the other end of each connecting rod is hinged to the supporting plate, slide ways are arranged on two sides of the supporting plates, the eccentric wheels are arranged at the bottoms of the supporting plates and abutted to the supporting plates, and the eccentric wheels can rotate around mounting shafts through the driving of the manual rods. The invention increases the force acted on the wrench handle manually by three stages to 166 times through a lever structure, eccentric wheel design and connecting rod transmission, obviously obtains the force increasing effect, can realize two functions of expansion and compression, and has strong mechanism usability; the mechanism is simple to operate and use, can realize independent operation by one person, has high working efficiency, and is used for removing flash and burrs in the process of machining the steel rail bottom plate; used for shaping before packaging of finished products.

Description

Three-stage amplification semi-automatic force increasing mechanism
Technical Field
The invention relates to the technical field of metallurgical production, in particular to a three-level amplification semi-automatic force increasing mechanism in metallurgical stamping production.
Background
In the metallurgical stamping production, the workpiece may need to be locally expanded or compressed, and in order to realize the required process, a relatively complex large tool or a press is mostly adopted for completing the required process, so that the equipment is complex, the process is complicated, the working efficiency is low, and a plurality of workers are arranged at posts.
Disclosure of Invention
The invention aims to provide a three-stage amplification semi-automatic force increasing mechanism, which increases the force manually acting on a wrench handle by three stages to 166 times through a lever structure, eccentric wheel design and connecting rod transmission, obviously obtains force increasing effect, can realize two functions of expansion and compression and has strong mechanism usability; the operation and use are simple, one-person independent operation can be realized, and the working efficiency is high.
In order to achieve the purpose, the invention adopts the following technical scheme:
the three-stage amplification semi-automatic force increasing mechanism comprises an eccentric wheel, levers, a supporting plate, a connecting rod, a high-strength pressing block and a manual rod, wherein the levers are triangular, the two levers are symmetrically arranged and hinged to each other at one end point of the triangle, the second end point of the lever is hinged to the connecting rod, the third end point of the lever is hinged to the high-strength pressing block, the other end of the connecting rod is hinged to the supporting plate, slide ways are arranged on two sides of the supporting plate, the eccentric wheel is arranged at the bottom of the supporting plate and abutted to the supporting plate, and the eccentric wheel can rotate around an installation shaft through the driving of the manual rod.
And the upper end of the supporting plate is provided with a counterweight.
Still include liftout mechanism, slide, the processing work piece is placed in the slide upper end, liftout mechanism is including supporting lever, spring I, support, the support is articulated with the fulcrum that supports the lever, a stress point top of supporting the lever connects the work piece, another stress point connecting spring of supporting the lever, the side of waiting to process of processing the work piece is arranged in to the high strength briquetting.
The use method of the three-stage amplification semi-automatic force-increasing mechanism specifically comprises the following steps:
the manual rod is moved to enable one side of the eccentric wheel bulge to jack the supporting plate, the supporting plate drives the connecting rod and the lever to act, the connecting end of the lever and the connecting rod contracts inwards, the connecting end of the lever and the high-strength pressing block expands outwards, the high-strength pressing block is placed in a groove-shaped structure of a machined workpiece to be expanded, and the high-strength pressing block performs powerful expansion on the workpiece under the action of the lever expansion force.
The three-stage amplification semi-automatic force increasing mechanism comprises an eccentric wheel, levers, a supporting plate, a connecting rod, a high-strength pressing block, a manual rod and a spring II, wherein the levers are triangular, the two levers are symmetrically arranged and hinged to each other at one end point of the triangle, the second end point of the lever is hinged to the connecting rod, the third end point of the lever is hinged to the high-strength pressing block, the other end of the connecting rod is hinged to the supporting plate, slide ways are arranged on two sides of the supporting plate, the eccentric wheel is arranged above the supporting plate and abutted to the supporting plate, the eccentric wheel can rotate around an installation shaft through the driving of the manual rod, and the spring II is arranged at the bottom of the supporting plate.
Still include liftout mechanism, slide, the processing work piece is placed in the slide upper end, liftout mechanism is including supporting lever, spring I, support, the support is articulated with the fulcrum that supports the lever, a stress point top of supporting the lever connects the work piece, another stress point connecting spring of supporting the lever, the side of waiting to process of processing the work piece is arranged in to the high strength briquetting.
The use method of the three-stage amplification semi-automatic force-increasing mechanism specifically comprises the following steps:
the manual rod is moved to enable one side of the protrusion of the eccentric wheel to press down the supporting plate, the supporting plate drives the connecting rod and the lever to act, the connecting end of the lever and the connecting rod extends outwards, the connecting end of the lever and the high-strength pressing block is compressed inwards, the high-strength pressing block is clamped on the outer side of a convex structure needing to be compressed on a workpiece, and the high-strength pressing block strongly compresses the workpiece under the action of the compression force of the lever.
Compared with the prior art, the invention has the beneficial effects that:
the invention is a three-stage (a first-stage manual rod and an eccentric wheel; a second-stage eccentric wheel; a third-stage lever and a high-strength pressing block) amplification semi-automatic force increasing mechanism, the force acted on a wrench handle manually is increased by three stages through a lever structure, the design of the eccentric wheel and the transmission of a connecting rod, the total amplification factor of the three stages can reach 166 times by adjusting the length of the manual rod, the radius of the eccentric wheel, the eccentric distance, the length of the lever and the distance between a lever pin shaft and a pressing block stress point, the force increasing effect is obviously obtained, two functions of expansion and compression can be realized, and the mechanism has strong usability; the operation and use are simple, one-person independent operation can be realized, and the working efficiency is high.
The mechanism can also be used for removing the flash and the burr in the process of processing the steel rail bottom plate (the process requirement burr cannot be higher than 1mm), the flash and the burr are generated at the bottom plate and the top corner of a steel rail workpiece, and the manual cleaning is very inconvenient; shaping before packaging of finished products; but also in other cases.
Drawings
Fig. 1 is a schematic diagram of a three-stage amplification semi-automatic force-increasing mechanism (embodiment one) of the invention.
Fig. 2 is a schematic diagram of a three-stage amplification semi-automatic force-increasing mechanism (embodiment two) of the present invention.
Fig. 3 is an enlarged view of the ejector mechanism.
In the figure: 1. the steel rail support comprises a balance weight, 2 parts of a support plate, 3 parts of a connecting rod, 4 parts of an eccentric wheel, 5 parts of a lever, 6 parts of a slideway, 7 parts of a steel rail base plate, 8 parts of a high-strength press block, 9 parts of a material ejecting mechanism, 10 parts of a manual rod, 11 parts of springs I, 12 parts of springs II, 13 parts of a support and 14 parts of a support lever.
Detailed Description
The present invention will be described in detail below, but the scope of the present invention is not limited to the following embodiments.
Example 1:
as shown in fig. 1, the three-stage amplification semi-automatic force increasing mechanism comprises an eccentric wheel 4, levers 5, a support plate 2, a connecting rod 3, a high-strength pressing block 8 and a manual rod 10, wherein the levers 5 are triangular, the two levers 5 are symmetrically arranged and hinged to each other at one end point of the triangle, the second end point of the lever 5 is hinged to the connecting rod 3, the third end point of the lever 5 is hinged to the high-strength pressing block 8, the other end of the connecting rod 3 is hinged to the support plate 2, slide ways 6 are arranged on two sides of the support plate 2, the eccentric wheel 4 is arranged at the bottom of the support plate 2 and abutted to the support plate 2, and the eccentric wheel 4 can rotate around a mounting shaft through the driving of the manual rod 10.
And a counterweight 1 is arranged at the upper end of the supporting plate 2.
The automatic material ejection device is characterized by further comprising an ejection mechanism 9 and a slide 6, a processing workpiece is placed at the upper end of the slide 6, as shown in fig. 3, the ejection mechanism 9 comprises a supporting lever 14, a spring I11 and a support 13, the support 13 is hinged to a fulcrum of the supporting lever 14, a stress point of the supporting lever 14 abuts against the workpiece, another stress point of the supporting lever 14 is connected with the spring I11, and the high-strength pressing block 8 is placed in a groove-shaped structure of the processing workpiece, which needs to be expanded.
The working principle of the invention is as follows:
when the manual lever 10 is pressed down by hand, the manual lever 10 moves downward in the direction of the arrow, the support plate 2 is forced to move upward because the manual lever 10 is fixed to the eccentric wheel 4, the upper end of the lever 5 moves inward and the lower end moves outward because of the connection of the connecting rod 3, and when the movement is blocked, the boosted tension is generated. When the above actions are completed, at the moment that the hand leaves the manual lever 10, due to the action of the counterweight 1, sufficient downward pressure is generated to force the mechanism to return to the initial position automatically.
The use method of the three-stage amplification semi-automatic force-increasing mechanism specifically comprises the following steps:
in the embodiment, the workpiece is a steel rail base plate 7, the steel rail base plate 7 of the workpiece to be processed is placed on the slideway 6 and pushed to a processing position, one stress point of the supporting lever 14 of the material ejecting mechanism 9 generates thrust due to the spring I11, and the other stress point of the supporting lever 14 is propped against the lower part of the steel rail base plate 7, so that the steel rail base plate 7 always has upward thrust to ensure that the upper surface is tightly attached to the lower part of the high-strength pressing block 8 without clearance.
The manual rod 10 is moved to enable one protruding side of the eccentric wheel 4 to jack up the supporting plate 2, the supporting plate 2 drives the connecting rod 3 and the lever 5 to move, the connecting end of the lever 5 and the connecting rod 3 contracts inwards, the connecting end of the lever 5 and the high-strength pressing block 8 expands outwards, the high-strength pressing block 8 is placed in a groove-shaped structure where a workpiece needs to be expanded, and the high-strength pressing block 8 expands the workpiece strongly under the expansion force of the lever 5.
Example 2:
as shown in fig. 2, the three-stage amplification semi-automatic force increasing mechanism comprises an eccentric wheel 4, a lever 5, a support plate 2, a connecting rod 3, a high-strength pressing block 8, a manual rod 10 and a spring ii 12, wherein the lever 5 is triangular, the two levers 5 are symmetrically arranged and hinged to each other at one end point of the triangle, the second end point of the lever 5 is hinged to the connecting rod 3, the third end point of the lever 5 is hinged to the high-strength pressing block 8, the other end of the connecting rod 3 is hinged to the support plate 2, slide ways 6 are arranged on two sides of the support plate 2, the eccentric wheel 4 is arranged above the support plate 2 and abutted to the support plate 2, the eccentric wheel 4 can rotate around a mounting shaft under the driving of the manual rod 10, and the spring ii 12 is arranged at the bottom of the support plate 2.
The processing device is characterized by further comprising an ejection mechanism 9 and a slide 6, wherein a processing workpiece is placed at the upper end of the slide 6, as shown in fig. 3, the ejection mechanism 9 comprises a supporting lever 14, a spring I11 and a support 13, the support 13 is hinged to a fulcrum of the supporting lever 14, a stress point of the supporting lever 14 abuts against the workpiece, the other stress point of the supporting lever 14 is connected with the spring I11, and the high-strength pressing block 8 is clamped on the workpiece and needs to be compressed outside the convex structure.
The use method of the three-stage amplification semi-automatic force-increasing mechanism specifically comprises the following steps:
a workpiece to be processed is placed on the slideway 6 and pushed to a processing position, and the ejection mechanism 9 supports the lever 14 to be ejected at the lower part of the workpiece, so that the workpiece always has upward thrust to ensure that the upper surface is tightly attached to the lower part of the high-strength pressing block 8 without clearance.
The manual rod 10 is moved to enable one side of the eccentric wheel 4 protruding to press down the supporting plate 2, the supporting plate 2 drives the connecting rod 3 and the lever 5 to move, the connecting end of the lever 5 and the connecting rod 3 extends outwards, the connecting end of the lever 5 and the high-strength pressing block 8 is compressed inwards, the high-strength pressing block 8 is clamped on the outer side of a convex structure needing to be compressed on a workpiece, and the high-strength pressing block 8 compresses the workpiece strongly under the action of the compression force of the lever 5.
The manual lever 10 is lifted, and the support plate 2 is reset under the elastic force of the spring II 12.

Claims (7)

1. The three-stage amplification semi-automatic force increasing mechanism is characterized by comprising an eccentric wheel, levers, a supporting plate, a connecting rod, a high-strength pressing block and a manual rod, wherein the levers are triangular, the two levers are symmetrically arranged and hinged to each other at one end point of the triangle, the second end point of the lever is hinged to the connecting rod, the third end point of the lever is hinged to the high-strength pressing block, the other end of the connecting rod is hinged to the supporting plate, slide ways are arranged on two sides of the supporting plate, the eccentric wheel is arranged at the bottom of the supporting plate and abutted to the supporting plate, and the eccentric wheel can rotate around an installation shaft through the driving of the manual rod.
2. The three-stage amplification semi-automatic force amplification mechanism of claim 1, wherein a counterweight is arranged at the upper end of the support plate.
3. The three-stage amplification semi-automatic force increasing mechanism according to claim 1 or 2, further comprising a material ejecting mechanism and a slide way, wherein a processing workpiece is placed at the upper end of the slide way, the material ejecting mechanism comprises a supporting lever, a spring I and a support, the support is hinged to a fulcrum of the supporting lever, one stress point of the supporting lever abuts against the workpiece, the other stress point of the supporting lever is connected with the spring I, and the high-strength pressing block is placed on the side to be processed of the processing workpiece.
4. The use method of the three-stage amplification semi-automatic force amplification mechanism according to any one of claims 1 to 3, characterized by comprising the following steps:
the manual rod is moved to enable one side of the eccentric wheel bulge to jack the supporting plate, the supporting plate drives the connecting rod and the lever to act, the connecting end of the lever and the connecting rod contracts inwards, the connecting end of the lever and the high-strength pressing block expands outwards, the high-strength pressing block is placed in a groove-shaped structure of a machined workpiece to be expanded, and the high-strength pressing block performs powerful expansion on the workpiece under the action of the lever expansion force.
5. The three-stage amplification semi-automatic force increasing mechanism is characterized by comprising an eccentric wheel, a lever, a supporting plate, a connecting rod, a high-strength pressing block, a manual rod and a spring II, wherein the lever is triangular, the two levers are symmetrically arranged and hinged to each other at one end point of the triangle, the second end point of the lever is hinged to the connecting rod, the third end point of the lever is hinged to the high-strength pressing block, the other end of the connecting rod is hinged to the supporting plate, slide ways are arranged on two sides of the supporting plate, the eccentric wheel is arranged above the supporting plate and abutted to the supporting plate, the eccentric wheel can rotate around an installation shaft through the driving of the manual rod, and the spring II is arranged at the bottom of the supporting plate.
6. The three-stage amplification semi-automatic force increasing mechanism according to claim 5, further comprising a material ejecting mechanism and a slide way, wherein a processing workpiece is placed at the upper end of the slide way, the material ejecting mechanism comprises a supporting lever, a spring I and a support, the support is hinged to a fulcrum of the supporting lever, one stress point of the supporting lever abuts against the workpiece, the other stress point of the supporting lever is connected with the spring I, and the high-strength pressing block is placed on the side to be processed of the processing workpiece.
7. The use method of the three-stage amplification semi-automatic force amplification mechanism according to claim 5 or 6, characterized by comprising the following steps:
the manual rod is moved to enable one side of the protrusion of the eccentric wheel to press down the supporting plate, the supporting plate drives the connecting rod and the lever to act, the connecting end of the lever and the connecting rod extends outwards, the connecting end of the lever and the high-strength pressing block is compressed inwards, the high-strength pressing block is clamped on the outer side of a convex structure needing to be compressed on a workpiece, and the high-strength pressing block strongly compresses the workpiece under the action of the compression force of the lever.
CN202110412754.8A 2021-04-16 2021-04-16 Three-stage amplification semi-automatic force increasing mechanism Pending CN113147076A (en)

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Application Number Priority Date Filing Date Title
CN202110412754.8A CN113147076A (en) 2021-04-16 2021-04-16 Three-stage amplification semi-automatic force increasing mechanism

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Application Number Priority Date Filing Date Title
CN202110412754.8A CN113147076A (en) 2021-04-16 2021-04-16 Three-stage amplification semi-automatic force increasing mechanism

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Publication Number Publication Date
CN113147076A true CN113147076A (en) 2021-07-23

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Application Number Title Priority Date Filing Date
CN202110412754.8A Pending CN113147076A (en) 2021-04-16 2021-04-16 Three-stage amplification semi-automatic force increasing mechanism

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5491880A (en) * 1977-12-15 1979-07-20 Leinhaas Werner Driving method for machine tool provided with reciprocating tool carrierrespecially for plastic deformation of metal by principle of toggle press
CN2182049Y (en) * 1993-03-29 1994-11-09 蔡振宗 Lever type automatic press
CN1600476A (en) * 2003-09-22 2005-03-30 陈威 Lever type bi-directional press capable of supporting material automatically
CN101788042A (en) * 2010-02-10 2010-07-28 华中科技大学 Symmetrical toggle rod pressure transmission mechanism
CN102205386A (en) * 2011-01-18 2011-10-05 上海交通大学 Six-motor parallel connection driving mechanical multi-connection-rod servo press machine
US20130008325A1 (en) * 2011-07-08 2013-01-10 Yu-Ting Lin Multi-linkage press
CN203109958U (en) * 2012-11-27 2013-08-07 苏州大学 Eccentric wheel mechanical arm grasping device capable of clamping inward and outward
CN215203637U (en) * 2021-04-16 2021-12-17 鞍山紫竹轨道交通设备有限公司 Three-stage amplification semi-automatic force increasing mechanism

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5491880A (en) * 1977-12-15 1979-07-20 Leinhaas Werner Driving method for machine tool provided with reciprocating tool carrierrespecially for plastic deformation of metal by principle of toggle press
CN2182049Y (en) * 1993-03-29 1994-11-09 蔡振宗 Lever type automatic press
CN1600476A (en) * 2003-09-22 2005-03-30 陈威 Lever type bi-directional press capable of supporting material automatically
CN101788042A (en) * 2010-02-10 2010-07-28 华中科技大学 Symmetrical toggle rod pressure transmission mechanism
CN102205386A (en) * 2011-01-18 2011-10-05 上海交通大学 Six-motor parallel connection driving mechanical multi-connection-rod servo press machine
US20130008325A1 (en) * 2011-07-08 2013-01-10 Yu-Ting Lin Multi-linkage press
CN203109958U (en) * 2012-11-27 2013-08-07 苏州大学 Eccentric wheel mechanical arm grasping device capable of clamping inward and outward
CN215203637U (en) * 2021-04-16 2021-12-17 鞍山紫竹轨道交通设备有限公司 Three-stage amplification semi-automatic force increasing mechanism

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