CN112372553A - Self-adaptive pressing device - Google Patents
Self-adaptive pressing device Download PDFInfo
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- CN112372553A CN112372553A CN202011512788.6A CN202011512788A CN112372553A CN 112372553 A CN112372553 A CN 112372553A CN 202011512788 A CN202011512788 A CN 202011512788A CN 112372553 A CN112372553 A CN 112372553A
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- pressing plate
- shaft
- convex spherical
- lever
- hydraulic cylinder
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- 238000003825 pressing Methods 0.000 title claims abstract description 96
- 230000002146 bilateral effect Effects 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012938 design process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention provides a self-adaptive pressing device which comprises a supporting bottom plate, a hydraulic cylinder, a lever pressing plate and a supporting fulcrum, wherein the hydraulic cylinder and the supporting fulcrum are fixed on the supporting bottom plate, and a piston rod of the hydraulic cylinder is connected with a hinged support; the lever pressing plate consists of a first lever pressing plate and a second lever pressing plate which are arranged in bilateral symmetry, the middle positions of the first pressing plate and the second pressing plate are coaxially connected to a supporting fulcrum, the front ends of the first pressing plate and the second pressing plate are respectively provided with a pressing head, and the tail ends of the first pressing plate and the second pressing plate are coaxially hinged with the hinged support through a hinged shaft; the articulated shaft is a three-section ball head articulated shaft. According to the invention, the three-section ball head articulated shaft, the first lever pressing plate and the second lever pressing plate are arranged, when a hydraulic cylinder applies force, the first lever pressing plate and the second lever pressing plate can float left and right around the matched convex spherical surface, 2 points on a part can be self-adaptively pressed at the same time, and the pressing efficiency is improved; in addition, the invention is a functional module.
Description
Technical Field
The invention belongs to the field of tool fixtures, and relates to a lever type pressing device of a tool fixture.
Background
In the design process of a tool clamp, a lever type pressing device is usually arranged to realize the pressing of a part to be processed, the lever type pressing device comprises a lever pressing plate, a supporting fulcrum, a pressing head arranged at the head of the lever pressing plate and a force application device arranged at the tail of the lever pressing plate, the force application device is usually an air cylinder or a hydraulic cylinder, and the force application device is hinged with the tail of the lever pressing plate through a hinged shaft; the common articulated shaft is a straight-through shaft, a matched shaft neck of the articulated shaft is directly matched with a force application device and a hole at the tail part of a lever pressing plate to realize articulation, when the lever pressing plate presses two pressing points on a part at one time, and random errors exist in the heights of 2 pressing points on the part, the articulated shaft structure cannot meet the requirements, and the part cannot be pressed tightly; only realize through setting up a plurality of closing device respectively, the structure is complicated, and is with high costs, compresses tightly inefficiency.
Disclosure of Invention
In order to solve the problem that a lever pressing plate needs to press two points on a part at the same time in the lever pressing device in the prior art, the invention provides a self-adaptive pressing device, which is mainly based on the improvement of a hinged shaft, and realizes that the front end of the lever pressing plate can simultaneously and self-adaptively press 2 points on the part, so that self-adaptive pressing is realized; and is a functional module by itself, and one or more than one is used on the clamp according to the requirement.
Therefore, the technical scheme of the invention is as follows: a self-adaptive pressing device comprises a supporting bottom plate, a hydraulic cylinder, a lever pressing plate and a supporting fulcrum, wherein the hydraulic cylinder and the supporting fulcrum are fixed on the supporting bottom plate, a piston rod of the hydraulic cylinder is upward, and a hinged support is connected to the piston rod of the hydraulic cylinder;
the method is characterized in that: the lever pressing plate consists of a first lever pressing plate and a second lever pressing plate, the first lever pressing plate and the second lever pressing plate are arranged in bilateral symmetry, the middle positions of the first pressing plate and the second pressing plate are coaxially connected to a supporting fulcrum, the front ends of the first pressing plate and the second pressing plate are respectively provided with a pressing head, and the tail ends of the first pressing plate and the second pressing plate are coaxially hinged with the hinged support through a hinged shaft;
the articulated shaft is formed by integrating a positioning step, a matching shaft neck and a limiting connecting part which are sequentially arranged, wherein the matching shaft neck is provided with 3 matching convex spherical surfaces, one of the matching convex spherical surfaces is a middle matching convex spherical surface, and the other 2 matching convex spherical surfaces are symmetrically arranged at two sides of the middle matching convex spherical surface to form a three-section ball head articulated shaft;
the middle matching convex spherical surface is matched with the mounting hole of the hinged support, and the 2 matching convex spherical surfaces are respectively matched with the mounting holes of the first pressing plate and the second pressing plate.
Further explanation of the above technical solution: the hydraulic cylinder is replaced by an air cylinder.
The technical scheme is further limited as follows: the supporting pivot comprises a supporting seat and a pin shaft, the pin shaft penetrates through a mounting hole in the top of the supporting seat, a washer and a hexagonal slotted nut are sleeved on a threaded shaft of the pin shaft and connected with the threaded shaft of the pin shaft, and a cotter pin is arranged on the hexagonal slotted nut and the threaded shaft of the pin shaft in a matched manner; the arrangement not only ensures the reliability of connection, but also has the advantage of simple structure, and is beneficial to processing and installation.
The technical scheme is further limited as follows: the size parameters of the middle matched convex spherical surface of the articulated shaft are completely the same as the size parameters of the 2 matched convex spherical surfaces at the two sides; thus, the purpose of floating is achieved, and the design and the manufacture are convenient.
The technical scheme is further limited as follows: the limit connecting part of the articulated shaft is a threaded shaft; the structure can adopt the locking nut for connection and limit, and the structure is simple and easy to implement; further, the threaded shaft is further provided with a cotter mounting hole, the locking nut can adopt a hexagonal slotted nut at the moment, the cotter is inserted to realize rotation prevention, and the connection reliability is guaranteed.
The invention has the beneficial effects that: according to the invention, the three-section ball head articulated shaft is arranged, the lever pressing plate is divided into the first lever pressing plate and the second lever pressing plate which are symmetrically arranged, and the three-section ball head of the three-section ball head articulated shaft is respectively matched with the mounting holes of the articulated support, the first lever pressing plate and the second lever pressing plate, so that the lever pressing plate swings around the supporting fulcrum when a hydraulic cylinder applies force, the first lever pressing plate and the second lever pressing plate can float left and right around the matched convex spherical surface in the pressing process, the front end of the lever pressing plate can be simultaneously self-adapted to 2 points on a pressing part, and the pressing efficiency is improved; in addition, the invention is a functional module, and one or more modules are used on the clamp according to the requirement, so that the installation is convenient; compared with the prior art, the number of the pressing devices on the clamp is reduced.
Drawings
Fig. 1 is a front view of an adaptive compression device of the present invention.
Fig. 2 is a top view of an adaptive compression device of the present invention (with the cotter pin omitted).
Fig. 3 is a structural view of a hinge shaft in the present invention.
Fig. 4 is a front view of the support fulcrum of the present invention.
Fig. 5 is a plan view of the support fulcrum in the present invention (the cotter pin is omitted).
Shown in the figure: 1. a support base plate; 2. a hydraulic cylinder; 3. a hinged support; 4. hinging a shaft; 5. a first lever press plate; 6. a supporting fulcrum; 7. a first compression head; 8. a second lever press plate; 9. a second compression head; 4-1, positioning a step; 4-2, matching the shaft neck; 4-2-1, a matched convex spherical surface at one side; 4-2-2, the middle is matched with a convex spherical surface; 4-2-3, and the other side is a matched convex spherical surface; 4-3, a threaded shaft; 4-4, cotter pin mounting holes; 6-1, a supporting seat; 6-2, a pin shaft; 6-3, a gasket; 6-4, hexagonal slotted nuts; 6-5, and a split pin.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the self-adaptive pressing device comprises a supporting base plate 1, a hydraulic cylinder 2, a lever pressing plate and a supporting fulcrum 6, wherein the hydraulic cylinder 2 and the supporting fulcrum 6 are fixed on the supporting base plate, a piston rod of the hydraulic cylinder faces upwards, and a hinged support is connected to the piston rod of the hydraulic cylinder; the lever pressing plate consists of a first lever pressing plate 5 and a second lever pressing plate 8, the first lever pressing plate 5 and the second lever pressing plate 8 are arranged in bilateral symmetry, the middle positions of the first pressing plate and the second pressing plate are coaxially connected to a supporting fulcrum 6, the front ends of the first pressing plate and the second pressing plate are respectively provided with a pressing head, and the tail ends of the first pressing plate and the second pressing plate are coaxially hinged with a hinged support 3 through a hinged shaft 4;
the articulated shaft is formed by integrating a positioning step 4-1, a matching shaft neck 4-2 and a limiting connecting part 4-3 which are sequentially arranged, wherein the matching shaft neck is provided with 3 matching convex spherical surfaces, one of the matching convex spherical surfaces is a middle matching convex spherical surface 4-2-2, the other 2 matching convex spherical surfaces are symmetrically arranged at two sides of the middle matching convex spherical surface and are respectively a matching convex spherical surface 4-2-1 at one side and a matching convex spherical surface 4-2-3 at the other side, so that a three-section type ball head is formed;
the middle matched convex spherical surface 4-2-2 is matched with the mounting hole of the hinged support 3, and 2 matched convex spherical surfaces (4-2-1 and 4-2-3) are respectively matched with the mounting holes of the first pressure plate and the second pressure plate.
As shown in fig. 1, the hydraulic cylinder 2 may be replaced with a pneumatic cylinder.
As shown in fig. 4 and 5, the supporting pivot comprises a supporting seat 6-1 and a pin shaft 6-2, the pin shaft 6-2 penetrates through a mounting hole at the top of the supporting seat 6-1, a washer 6-3 and a hexagonal slotted nut 6-4 are sleeved on a threaded shaft of the pin shaft, and a cotter pin 6-5 is arranged on the hexagonal slotted nut and the threaded shaft of the pin shaft in a matched manner; the arrangement not only ensures the reliability of connection, but also has the advantage of simple structure, and is beneficial to processing and installation.
As shown in fig. 3, the size parameter of the central convex spherical surface 4-2-1 of the hinge shaft is completely the same as the size parameter of the two side convex spherical surfaces (4-2-1 and 4-2-3); thus, the purpose of floating is achieved, and the design and the manufacture are convenient.
As shown in fig. 3, the limit connection part 4-33 of the hinge shaft is a threaded shaft; the structure can adopt the locking nut for connection and limit, and the structure is simple and easy to implement; furthermore, a cotter pin mounting hole 3-1 is further formed in the threaded shaft, at the moment, the locking nut can be a hexagonal slotted nut, the anti-rotation is realized through the insertion of the cotter pin, and the reliability of connection is guaranteed.
Simple combinations, equivalents and further modifications which do not depart from the technical idea of the invention should be apparent to those skilled in the art from the scope of the invention.
Claims (6)
1. A self-adaptive pressing device comprises a supporting bottom plate, a hydraulic cylinder, a lever pressing plate and a supporting fulcrum, wherein the hydraulic cylinder and the supporting fulcrum are fixed on the supporting bottom plate, a piston rod of the hydraulic cylinder is upward, and a hinged support is connected to the piston rod of the hydraulic cylinder; the method is characterized in that:
the lever pressing plate consists of a first lever pressing plate and a second lever pressing plate, the first lever pressing plate and the second lever pressing plate are arranged in bilateral symmetry, the middle positions of the first pressing plate and the second pressing plate are coaxially connected to a supporting fulcrum, the front ends of the first pressing plate and the second pressing plate are respectively provided with a pressing head, and the tail ends of the first pressing plate and the second pressing plate are coaxially hinged with the hinged support through a hinged shaft;
the articulated shaft is formed by integrating a positioning step, a matching shaft neck and a limiting connecting part which are sequentially arranged, wherein the matching shaft neck is provided with 3 matching convex spherical surfaces, one of the matching convex spherical surfaces is a middle matching convex spherical surface, and the other 2 matching convex spherical surfaces are symmetrically arranged at two sides of the middle matching convex spherical surface to form a three-section ball head articulated shaft;
the middle matching convex spherical surface is matched with the mounting hole of the hinged support, and the 2 matching convex spherical surfaces are respectively matched with the mounting holes of the first pressing plate and the second pressing plate.
2. An adaptive compression device according to claim 1, wherein: the hydraulic cylinder is replaced by an air cylinder.
3. The self-adaptive compressing device as claimed in claim 1 or 2, wherein the supporting pivot comprises a supporting seat and a pin shaft, the pin shaft passes through a mounting hole at the top of the supporting seat, a washer is sleeved on a threaded shaft of the pin shaft and connected with a hexagonal slotted nut, and a cotter pin is arranged on the threaded shaft of the hexagonal slotted nut and the pin shaft in a matching way.
4. An adaptive compression device according to claim 1 or 2, wherein: the size parameter of the middle matched convex spherical surface is completely the same as the size parameter of the 2 matched convex spherical surfaces at the two sides.
5. An adaptive compression device according to claim 1 or 2, wherein: the limiting connecting part is a threaded shaft.
6. An adaptive compression device according to claim 5, wherein: the threaded shaft is provided with a cotter mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011512788.6A CN112372553A (en) | 2020-12-20 | 2020-12-20 | Self-adaptive pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011512788.6A CN112372553A (en) | 2020-12-20 | 2020-12-20 | Self-adaptive pressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112372553A true CN112372553A (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011512788.6A Pending CN112372553A (en) | 2020-12-20 | 2020-12-20 | Self-adaptive pressing device |
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| CN (1) | CN112372553A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113119000A (en) * | 2021-04-23 | 2021-07-16 | 重庆平伟汽车科技股份有限公司 | Clamping device |
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| CN204658243U (en) * | 2015-03-27 | 2015-09-23 | 西峡县内燃机进排气管有限责任公司 | A kind of lever arm of force linking clamping mechanism |
| DE102014111338A1 (en) * | 2014-08-08 | 2016-02-11 | Maschinenbau Silberhorn GmbH | Holding device for workpieces or piece goods |
| CN106002410A (en) * | 2016-07-21 | 2016-10-12 | 桐乡守敬应用技术研究院有限公司 | Swinging type clamping device |
| CN206966557U (en) * | 2017-07-27 | 2018-02-06 | 昆山达亚汽车零部件有限公司 | A kind of multistation rivet pulling device |
| CN207239500U (en) * | 2017-08-30 | 2018-04-17 | 沈阳大族赛特维机器人股份有限公司 | The Automatic Charging Device of crash bar robot welding tooling |
| CN209364181U (en) * | 2018-12-19 | 2019-09-10 | 马鞍山市德善金属成型科技有限公司 | A kind of crankshaft side clamping tooling |
| CN211588654U (en) * | 2019-12-30 | 2020-09-29 | 长春伦艺机电设备有限公司 | Wheel assembly mills valve hole lathe |
| CN213828733U (en) * | 2020-12-20 | 2021-07-30 | 十堰精密新动力科技股份有限公司 | Self-adaptive pressing device |
-
2020
- 2020-12-20 CN CN202011512788.6A patent/CN112372553A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014111338A1 (en) * | 2014-08-08 | 2016-02-11 | Maschinenbau Silberhorn GmbH | Holding device for workpieces or piece goods |
| CN104493576A (en) * | 2014-10-24 | 2015-04-08 | 上海奥林汽车安全系统有限公司 | Fixture used for drilling and tapping of hinge shape steel |
| CN204658243U (en) * | 2015-03-27 | 2015-09-23 | 西峡县内燃机进排气管有限责任公司 | A kind of lever arm of force linking clamping mechanism |
| CN106002410A (en) * | 2016-07-21 | 2016-10-12 | 桐乡守敬应用技术研究院有限公司 | Swinging type clamping device |
| CN206966557U (en) * | 2017-07-27 | 2018-02-06 | 昆山达亚汽车零部件有限公司 | A kind of multistation rivet pulling device |
| CN207239500U (en) * | 2017-08-30 | 2018-04-17 | 沈阳大族赛特维机器人股份有限公司 | The Automatic Charging Device of crash bar robot welding tooling |
| CN209364181U (en) * | 2018-12-19 | 2019-09-10 | 马鞍山市德善金属成型科技有限公司 | A kind of crankshaft side clamping tooling |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113119000A (en) * | 2021-04-23 | 2021-07-16 | 重庆平伟汽车科技股份有限公司 | Clamping device |
| CN113119000B (en) * | 2021-04-23 | 2022-11-01 | 重庆平伟汽车科技股份有限公司 | Clamping device |
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