CN114770575A - Universal type tail end clamping device - Google Patents
Universal type tail end clamping device Download PDFInfo
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- CN114770575A CN114770575A CN202210479396.7A CN202210479396A CN114770575A CN 114770575 A CN114770575 A CN 114770575A CN 202210479396 A CN202210479396 A CN 202210479396A CN 114770575 A CN114770575 A CN 114770575A
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- pressing
- clamping
- universal
- inner cavity
- gripping device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention provides a universal terminal clamping device, comprising: the clamping head base is provided with a first assembly inner cavity; the clamping head comprises a connecting piece and a clamping piece, the connecting piece comprises a first connecting surface and a second connecting surface, the first connecting surface is movably arranged in the first assembling inner cavity, and the second connecting surface is provided with a second assembling inner cavity; the clamping piece comprises a third connecting surface and a pressing surface, and the third connecting surface of the clamping piece is movably arranged in the second assembling inner cavity; under the action of external force, the second connecting surface rotates from the first position surface to the second position surface, and the included angle value between the first position surface and the second position surface is within a first preset interval; the pressing surface rotates to the fourth position surface from the third position surface, and the included angle value between the third position surface and the fourth position surface is within a second preset interval. The invention has simple and effective integral mechanism, convenient operation, high efficiency and reliability, does not have the tolerance problem between the part and the pressing surface, can ensure the complete fit between the part and the pressing surface, and has high clamping firmness.
Description
Technical Field
The embodiment of the invention relates to the technical field of automobile part manufacturing, in particular to a universal type tail end clamping device.
Background
In the traditional technology, in order to ensure the relative size of parts in the welding and manufacturing production process of automobiles, common L-shaped pressing blocks are often adopted to clamp the parts, the pressing surfaces are machined according to the shapes of positioning flanges of the parts, the parts are clamped and machined in the mode, and the plane parallel to a coordinate system of an automobile body is well positioned in the clamping process, so that the basic technological requirements can be met.
However, with the iteration of the car body modeling and the improvement of the customer quality, the positioning flanging of the outer plate part is selected on the three-dimensional curved surface, so that the shape tolerance of the profiling machined pressing surface and the position tolerance of the pressing block during installation are necessarily existed, and the clamping process often drives the part to slide and misplace under the action of double tolerances, so that the size deviation of the part is caused; meanwhile, the dislocation of the parts can cause that the pressing surface is not attached to the parts, so that the clamping is not firm.
Disclosure of Invention
The embodiment of the invention provides a universal tail end clamping device, which aims to solve the problem of size deviation of parts caused by slippage and dislocation of the parts in the curved surface positioning and clamping process.
In order to solve the technical problem, the invention is realized as follows:
the embodiment of the invention provides a universal tail end clamping device, which comprises:
the clamping head base is provided with a first assembly inner cavity; and
the clamping head comprises a connecting piece and a clamping piece, the connecting piece comprises a first connecting surface and a second connecting surface, the first connecting surface of the connecting piece is movably arranged in the first assembling inner cavity, and the second connecting surface of the connecting piece is provided with a second assembling inner cavity;
the clamping piece comprises a third connecting surface and a pressing surface, and the third connecting surface of the clamping piece is movably arranged in the second assembling inner cavity;
under the action of external force, a second connecting surface of the connecting piece rotates from a first position surface to a second position surface, and the included angle value between the first position surface and the second position surface is within a first preset interval; the clamping piece is characterized in that the pressing surface of the clamping piece rotates to a fourth position surface from a third position surface, and an included angle value between the third position surface and the fourth position surface is within a second preset interval.
The invention is further configured to: the connecting piece comprises a spherical bearing, the first connecting surface is a spherical surface, the spherical surface of the spherical bearing is slidably mounted in the first assembling inner cavity of the clamping head base, and the second connecting surface is a plane.
The invention is further configured to: the clamping piece comprises at least 4 pressing blocks, the third connecting surface is a spherical surface, and the spherical surface of each pressing block is slidably mounted in the second assembling inner cavity of the connecting piece.
The invention is further configured to: the connecting piece is provided with at least 4 second assembling inner cavities, and the number of the second assembling inner cavities is equal to that of the pressing blocks.
The invention is further configured to: all the second assembling inner cavities are circumferentially distributed along the center of the connecting piece.
The invention is further configured to: all second assembly inner chambers all along the center of connecting piece is the matrix and distributes the setting.
The invention is further configured to: all the second assembling inner cavities are distributed along the center of the connecting piece in a distributed mode.
The invention is further configured to: the pressing surface of the pressing block is a plane, the outline of the pressing surface of the pressing block is in a circle, an ellipse or an irregular circle, and the second connecting surface of the connecting piece and the pressing surface of the pressing block are not on the same plane.
The invention is further configured to: the interval value of the first preset interval is [ -20 degrees, 20 degrees ].
The invention is further configured to: the interval value of the second preset interval is [ -5 degrees, 5 degrees ].
In summary, the beneficial effects of the invention are as follows:
compared with the prior art, in the embodiment of the invention, the uniquely designed universal type tail end clamping device is used for solving the problem of part size deviation caused by part slippage and dislocation in the curved surface positioning and clamping process, the whole mechanism is simple and effective, the operation is convenient, the efficiency and the reliability are high, the tolerance problem between the part and the pressing surface is avoided, the complete fit between the part and the pressing surface can be ensured, and the clamping firmness is high.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a perspective view of a universal tip gripping device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the component structure of a universal end gripping device in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a general end clamp assembly according to an embodiment of the present invention;
fig. 4 is a schematic view showing a rotation angle of a universal terminal clamping device according to an embodiment of the present invention.
In the figure: 100. a universal tip gripping device; 200. a clamping head; 10. a clamping head base; 20. a spherical bearing; 201. a first connection face; 202. a second connection face; 203. a third connection face; 204. a pressing surface; 30. a first compact block; 40. a second compact block; 50. a third compact block; 60. and a fourth compact block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention provides a universal tip gripping device 100.
As shown in fig. 1 to 4, in an embodiment of the present invention, the universal terminal clamping device 100 includes:
the clamping head comprises a clamping head base 10, wherein a first assembling inner cavity is formed in the clamping head base 10; and
the clamping head 200 comprises a connecting piece and a clamping piece, wherein the connecting piece comprises a first connecting surface 201 and a second connecting surface 202, the first connecting surface 201 of the connecting piece is movably arranged in the first assembling inner cavity, and the second connecting surface 202 of the connecting piece is provided with a second assembling inner cavity;
the clamping piece comprises a third connecting surface 203 and a pressing surface 204, and the third connecting surface 203 of the clamping piece is movably arranged in the second assembling inner cavity.
According to the technical scheme, the universal tail end clamping device 100 is designed, the relative displacement of the clamping piece and the connecting piece is utilized for fitting parts, so that the problem of part size deviation caused by part sliding and dislocation in the curved surface positioning and clamping process is solved, the whole mechanism is simple and effective, the operation is convenient, high-efficiency and reliable, the tolerance problem between the parts and the pressing surface 204 does not exist, the parts can be completely fitted, and the clamping firmness is high.
In some embodiments, as shown in fig. 1 and 2, the clamping head base 10 is a basic component of a universal end clamping device 100, a head of the clamping head base 10 is used for installing a core structure clamping head, and an end of the clamping head base 10 can be connected with a cylinder pressing arm or a supporting block.
In some embodiments, as shown in fig. 2 and 3, the connecting member includes a spherical bearing 20, the first connecting surface 201 is a spherical surface, the spherical surface of the spherical bearing 20 is slidably mounted in the first fitting cavity of the clamping head base 10, and the second connecting surface 202 is a flat surface; the spherical bearing 20 is a connecting structure between the clamping head base 10 and the clamping head, the spherical surface of the spherical bearing 20 is designed to enable the spherical bearing 20 to be in spherical connection with the clamping head base 10, the spherical bearing 20 can be attached to a three-dimensional curved surface of a part to rotate properly in the processes of external force extrusion and clamping, the spherical bearing has strong universality on the regular shape of part positioning and flanging or the irregular three-dimensional curved surface design, the attachment is firm, and the clamping problem in the welding production process of most automobiles can be solved.
In some embodiments, the clamping member includes at least 4 pressing blocks, the third connecting surface 203 is a spherical surface, the spherical surface of the pressing block is slidably mounted in the second assembly cavity of the connecting member, the pressing surface 204 of the pressing block is a plane, the outer contour of the pressing surface 204 of the pressing block is a circle, an ellipse or an irregular circle, and the second connecting surface 202 of the connecting member and the pressing surface 204 of the pressing block are not on the same plane; at least 4 second assembly inner cavities are arranged on the connecting piece, the number of the second assembly inner cavities is equal to that of the pressing blocks, and all the second assembly inner cavities are circumferentially distributed along the center of the connecting piece.
Specifically, as shown in fig. 2 and 3, the pressing blocks include a first pressing block 30, a second pressing block 40, a third pressing block 50 and a fourth pressing block 60, the four pressing blocks are circumferentially distributed along the center of a second connecting surface 202 of the spherical bearing 20, and the spherical surfaces of the pressing blocks are designed such that the pressing blocks can be spherically connected with the second connecting surface 202 of the spherical bearing 20, and are further designed for the spherical bearing 20, and are core functional structures of the universal terminal clamping device 100, especially in a three-dimensional curved surface design with irregular shape and large curvature of a positioning flange of a part, the pressing blocks which are circumferentially distributed can be adaptively adjusted according to different curvatures at different positions, and the three-dimensional curved surface which is attached to a specific position of the part in the process of external force extrusion and extreme clamping correspondingly rotates, so that the pressing blocks can be tightly attached to the surface of the part, when the curvature of the curved surface changes in the three-dimensional space, the pressing block always keeps the maximum fit area with the part, sufficient friction force is provided, relative sliding and dislocation between the clamping device and the part are prevented, and the new requirements of vehicle model iteration on the clamping device are met.
In some embodiments, the clamping member includes at least 4 pressing blocks, the third connecting surface 203 is a spherical surface, the spherical surface of the pressing block is slidably mounted in the second assembly cavity of the connecting member, the pressing surface 204 of the pressing block is a plane, the outer contour of the pressing surface 204 of the pressing block is a circle, an ellipse or an irregular circle, and the second connecting surface 202 of the connecting member and the pressing surface 204 of the pressing block are not on the same plane; be equipped with 4 at least second assembly inner chambers on the connecting piece, the figure of second assembly inner chamber with the figure of compact heap equals, and all second assembly inner chamber all along the center of connecting piece is the matrix and distributes the setting.
Specifically, the pressing block is an advanced design of the spherical bearing 20, and is a core function structure of the universal terminal clamping device 100, and particularly, in a three-dimensional curved surface design with extremely irregular shape and large curvature of a positioning flange of a part, the pressing block can be adaptively adjusted according to different curvatures at different positions, and the three-dimensional curved surface attached to the specific position of the part is correspondingly rotated in an external force extrusion and clamping process, so that the pressing block can be tightly attached to the surface of the part, and the matrix type pressing block arrangement design can ensure that the attaching area of the pressing block to the part is always kept the largest when the curvature of the curved surface changes in a three-dimensional space, so that sufficient friction is provided, and relative sliding and dislocation between the clamping device and the part are prevented; furthermore, aiming at more complicated part curved surfaces, the technical scheme of the invention does not limit the outer contour shape of the compression block, and only one limiting condition of a circular shape, an elliptical shape or an irregular circular shape is adopted, namely the requirement that the compression block can relatively rotate on the second assembly inner cavity is met, so that the spherical connection between the compression block and the second assembly inner cavity is still effective; meanwhile, the number of the compression blocks is not limited by the technical scheme, and an implementer can adaptively adjust the number of the compression blocks according to specific processing conditions, specific vehicle types and part appearances, so that the compression blocks can be perfectly attached to the parts, and the positioning precision of a vehicle body coordinate system is improved.
In some embodiments, the clamping member includes at least 4 pressing blocks, the third connecting surface 203 is a spherical surface, the spherical surface of the pressing block is slidably mounted in the second assembly cavity of the connecting member, the pressing surface 204 of the pressing block is a plane, the outer contour of the pressing surface 204 of the pressing block is a circle, an ellipse or an irregular circle, and the second connecting surface 202 of the connecting member and the pressing surface 204 of the pressing block are not on the same plane; at least 4 second assembly inner cavities are arranged on the connecting piece, the number of the second assembly inner cavities is equal to that of the pressing blocks, and all the second assembly inner cavities are distributed along the center of the connecting piece in a distributed mode.
Specifically, the pressing block is an advanced design of the spherical bearing 20, is a core function structure of the universal terminal clamping device 100, and particularly, in a three-dimensional curved surface design with extremely irregular shape and large curvature of a positioning flange of a part, the pressing block can be adaptively adjusted according to different curvatures at different positions, and the three-dimensional curved surface attached to the specific position of the part is correspondingly rotated in the processes of external force extrusion and clamping, so that the pressing block can be tightly attached to the surface of the part, and the pressing block can be guaranteed to be always kept to have the largest attaching area with the part when the curvature of the curved surface changes in a three-dimensional space, provide enough friction force, and prevent relative sliding and dislocation between the clamping device and the part; furthermore, aiming at more complicated part curved surfaces, the technical scheme of the invention does not limit the outer contour shape of the pressing block, and the only limiting condition of adopting a circular shape, an elliptical shape or an irregular circular shape is that the pressing block can relatively rotate on the second assembly inner cavity, so that the spherical connection between the pressing block and the second assembly inner cavity is still effective; meanwhile, the number of the compression blocks is not limited in the technical scheme of the invention, and an implementer can adaptively adjust the number of the compression blocks according to specific processing conditions, specific vehicle types and part appearances, so that the compression blocks can be perfectly attached to parts; moreover, the technical scheme of the invention does not limit the arrangement mode of the compression blocks, and an implementer can adaptively adjust the arrangement mode of the compression blocks according to specific processing conditions, specific vehicle types and part appearances, so that the compression blocks can perfectly fit parts, and the positioning precision of a vehicle body coordinate system is improved.
It should be noted that, in the embodiments of the present invention, three distribution manners of circumferential distribution, matrix distribution and distributed distribution are disclosed, and any other arrangement manner that can achieve the purpose of enabling the compact block to perfectly attach to the part and improving the positioning accuracy of the vehicle body coordinate system, which is required by the technical scheme of the present invention, is a simple replacement and evolution of the technical scheme of the present invention, and the contents of all the arrangement manners are disclosed by the technical scheme of the present invention.
In some embodiments, as shown in fig. 4, under the action of an external force, the second connection surface 202 of the connection member rotates from a first position surface to a second position surface, and an included angle between the first position surface and the second position surface is within a first preset interval, wherein the interval value of the first preset interval is [ -20 °, 20 ° ]; the pressing surface 204 of the clamping piece rotates from a third position surface to a fourth position surface, the included angle between the third position surface and the fourth position surface is in a second preset interval, and the interval value of the second preset interval is [ -5 degrees, 5 degrees ].
Specifically, the external force in the technical solution of the present invention mainly refers to an extrusion force, a clamping force and other external forces applied in the manufacturing process of the automobile for positioning and clamping purposes, and the first location plane is a location plane where the second connection surface 202 of the connection member (i.e. the spherical bearing 20) is located in an initial state; the second position surface is a position surface after the second connection surface 202 rotates relatively under the action of external force, and due to the connection design between the connection piece and the clamping head base 10, an included angle between the second position surface and the first position surface is set to have an interval value, that is, the included angle between the second position surface and the first position surface does not exceed a first preset interval; similarly, the third location surface is the location surface where the pressing surface 204 of the clamping member (i.e., the pressing block) is located in the initial state; the fourth location surface is a location surface after the pressing surface 204 rotates relatively under the action of external force, and due to the connection design between the connecting piece and the clamping piece, an included angle between the third location surface and the fourth location surface is provided with an interval value, that is, the included angle between the fourth location surface and the third location surface does not exceed a second preset interval.
While the present invention has been described with reference to the particular illustrative embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and equivalents thereof, which may be made by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A universal tip gripping device, comprising:
the clamping head base is provided with a first assembling inner cavity; and
the clamping head comprises a connecting piece and a clamping piece, the connecting piece comprises a first connecting surface and a second connecting surface, the first connecting surface of the connecting piece is movably arranged in the first assembling inner cavity, and the second connecting surface of the connecting piece is provided with a second assembling inner cavity;
the clamping piece comprises a third connecting surface and a pressing surface, and the third connecting surface of the clamping piece is movably arranged in the second assembling inner cavity;
under the action of external force, a second connecting surface of the connecting piece rotates from a first position surface to a second position surface, and the included angle value between the first position surface and the second position surface is within a first preset interval; and the pressing surface of the clamping piece rotates from a third position surface to a fourth position surface, and the included angle between the third position surface and the fourth position surface is in a second preset interval.
2. The universal tip gripping device according to claim 1, wherein said coupling member comprises a spherical bearing, said first coupling surface being a spherical surface, said spherical surface of said spherical bearing being slidably mounted within said first mounting cavity of said gripping head base, said second coupling surface being a flat surface.
3. The universal tip gripping device according to claim 1, wherein the gripping member includes at least 4 of the compression blocks, the third connecting surface is a spherical surface, and the spherical surface of the compression block is slidably mounted in the second mounting cavity of the connecting member.
4. The universal terminal clamping device according to claim 3, wherein at least 4 second assembling cavities are provided on the connecting member, and the number of the second assembling cavities is equal to the number of the pressing blocks.
5. The universal tip gripping device according to claim 4, wherein all of said second assembly cavities are circumferentially distributed along a center of said connector.
6. The universal tip gripping device according to claim 4, wherein all of said second mounting cavities are arranged in a matrix along a center of said connector.
7. The universal tip gripping device according to claim 4, wherein all of said second assembly cavities are distributed in a distributed manner along the center of said connecting member.
8. The universal terminal clamping device according to claim 3, wherein the pressing surface of the pressing block is a plane, the outer contour of the pressing surface of the pressing block is a circle, an ellipse or an irregular circle, and the second connecting surface of the connecting member is not on the same plane as the pressing surface of the pressing block.
9. The universal tip gripping device according to claim 1, wherein said first predetermined interval has an interval value of [ -20 °, 20 ° ].
10. The universal tip gripping device according to claim 1, wherein said second predetermined interval has an interval value of [ -5 °, 5 ° ].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210479396.7A CN114770575B (en) | 2022-05-05 | 2022-05-05 | Universal terminal clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210479396.7A CN114770575B (en) | 2022-05-05 | 2022-05-05 | Universal terminal clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114770575A true CN114770575A (en) | 2022-07-22 |
| CN114770575B CN114770575B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210479396.7A Active CN114770575B (en) | 2022-05-05 | 2022-05-05 | Universal terminal clamping device |
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Citations (7)
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| CN201693385U (en) * | 2010-07-06 | 2011-01-05 | 宁波家琦电子有限公司 | Reaming fixture with automatic centering and floating functions |
| CN102069457A (en) * | 2010-12-07 | 2011-05-25 | 成都飞机工业（集团）有限责任公司 | Self-centering positioning process equipment for fixing curved skin parts |
| CN102513950A (en) * | 2011-12-27 | 2012-06-27 | 陕西飞机工业（集团）有限公司 | Positioner of framework type frame edge of aircraft |
| KR101518615B1 (en) * | 2013-11-11 | 2015-05-07 | 주식회사 포스코 | Dual head beem-free overlay welding apparatus |
| CN209903022U (en) * | 2019-02-25 | 2020-01-07 | 上海麦可洛自动化科技有限公司 | Universal positioner |
| CN110977527A (en) * | 2019-12-12 | 2020-04-10 | 河北汉光重工有限责任公司 | Clamping device for workpiece with special-shaped curved surface structure |
| CN216328038U (en) * | 2021-10-29 | 2022-04-19 | 西峡县飞龙汽车部件有限公司 | Floating pressure head press-fitting device |
-
2022
- 2022-05-05 CN CN202210479396.7A patent/CN114770575B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201693385U (en) * | 2010-07-06 | 2011-01-05 | 宁波家琦电子有限公司 | Reaming fixture with automatic centering and floating functions |
| CN102069457A (en) * | 2010-12-07 | 2011-05-25 | 成都飞机工业（集团）有限责任公司 | Self-centering positioning process equipment for fixing curved skin parts |
| CN102513950A (en) * | 2011-12-27 | 2012-06-27 | 陕西飞机工业（集团）有限公司 | Positioner of framework type frame edge of aircraft |
| KR101518615B1 (en) * | 2013-11-11 | 2015-05-07 | 주식회사 포스코 | Dual head beem-free overlay welding apparatus |
| CN209903022U (en) * | 2019-02-25 | 2020-01-07 | 上海麦可洛自动化科技有限公司 | Universal positioner |
| CN110977527A (en) * | 2019-12-12 | 2020-04-10 | 河北汉光重工有限责任公司 | Clamping device for workpiece with special-shaped curved surface structure |
| CN216328038U (en) * | 2021-10-29 | 2022-04-19 | 西峡县飞龙汽车部件有限公司 | Floating pressure head press-fitting device |
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| CN114770575B (en) | 2023-06-20 |
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