CN109277855B - Elastic clamping mechanism - Google Patents
Elastic clamping mechanism Download PDFInfo
- Publication number
- CN109277855B CN109277855B CN201810504474.8A CN201810504474A CN109277855B CN 109277855 B CN109277855 B CN 109277855B CN 201810504474 A CN201810504474 A CN 201810504474A CN 109277855 B CN109277855 B CN 109277855B
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- China
- Prior art keywords
- plate
- oil cylinder
- pressing plate
- hinge
- elastic
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to the technical field of fixing of thin-wall parts, in particular to an elastic clamping mechanism which can realize reliable fixing of parts with irregular thin-wall shapes and improve the machining qualification rate of the parts.
Description
Technical Field
The invention relates to the technical field of thin-wall part fixing, in particular to an elastic clamping mechanism.
Background
Under the condition that the precision of the end face elements processed by the thin-wall small-space part processing center at the automobile engine is higher, strict requirements are put forward on positioning and clamping of a tool, one part of the conventional processing center clamp is used for clamping the part by using a pressing plate, but certain requirements are met on the appearance of the processed part, the clamp is not suitable for a special-shaped part, the special-shaped part is irregular in appearance as shown in fig. 1, the reliable clamping of the part cannot be realized by using a common pressing plate, shaking is easy to occur in the processing process, and the processing qualification rate of the part is affected.
Disclosure of Invention
In order to solve the problems of unstable fixation and low machining qualification rate of the thin-wall irregular parts, the invention provides an elastic clamping mechanism which can realize reliable fixation of the thin-wall irregular parts and improve the machining qualification rate of the parts.
The technical scheme is as follows: the utility model provides an elastic clamping mechanism, its characterized in that includes the bottom plate, install the location backing plate on the bottom plate, the side clamping plate is installed respectively to the adjacent both sides of location backing plate, the side clamping plate includes fixed part and the elastic part of interval arrangement, the elastic part outside is provided with the wedge plate, the wedge plate with the cooperation of elastic part lateral surface wedge, first hydro-cylinder is connected to the wedge plate, first hydro-cylinder drive wedge plate roof pressure elastic part makes elastic part warp, and with the wall of fixed part clamp part, the other both sides department of location backing plate is provided with movable top board respectively, movable top board is connected and is pressed actuating cylinder.
The device is further characterized in that side supporting seats are respectively arranged on two sides of the bottom plate, a second oil cylinder which is horizontally arranged is arranged on the side supporting seats, a side supporting block is arranged on a piston rod of the second oil cylinder, and a V-shaped clamping groove is formed in the front end of the side supporting block;
the bottom of the bottom plate is supported on the base through a lower bracket, and the bottom plate is obliquely arranged;
the first oil cylinder is arranged at the bottom of the bottom plate, and a piston rod of the first oil cylinder penetrates through the bottom plate;
the side clamping plates on one side of the positioning base plate comprise two side-by-side clamping plates, one side clamping plate is arranged on the other side of the positioning base plate, and the same number of wedge plates are correspondingly arranged;
the two wedge plates arranged side by side are connected through a middle connecting plate, the middle of the middle connecting plate is connected with the first oil cylinder through a double-head connector and a blind rivet, the other side clamping plate is connected with one end of a floating chain plate through a first connector, a simulation block is arranged at the other end of the floating chain plate, and the middle of the floating chain plate is hinged with a piston rod of the first oil cylinder;
the upper pressing plate comprises a hinge pressing plate and a lever pressing plate, the upper pressing driving oil cylinder comprises a hinge pressing plate driving oil cylinder and a lever pressing plate driving oil cylinder, a pressing head is arranged at the upper end of the hinge pressing plate, a hinge seat penetrating through the bottom plate is arranged on the bottom plate, the hinge pressing plate is connected with the hinge seat through a cylindrical pin, an arc head is arranged at the bottom of the hinge pressing plate, a connecting rod is arranged on a piston rod of the hinge pressing plate driving oil cylinder, a clamping groove matched with the arc head is formed in the end portion of the connecting rod, the arc head is movably clamped in the clamping groove, a supporting frame is arranged on a cylinder body of the lever pressing plate driving oil cylinder, and the middle of the lever pressing plate is hinged with the supporting frame, one end of the supporting frame is hinged with the piston rod of the lever pressing plate driving oil cylinder, and the other end of the lever pressing plate driving oil cylinder is a pressing end.
After the structure of the invention is adopted, the part to be processed is placed on the positioning base plate, the first oil cylinder drives the inclined wedge plate to prop against the elastic part so as to deform the elastic part, the elastic part and the fixing part clamp the wall of the part, and the upper pressing plate compresses the part, so that the reliable positioning and fixing of the part are conveniently realized, and the processing qualification rate of the part is improved.
Drawings
FIG. 1 shows a part to be machined
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a top view of the structure of the present invention;
FIG. 4 is a left side view of the structure of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 6 is a cross-sectional view taken along B-B in FIG. 4;
fig. 7 is an enlarged partial cross-sectional view of fig. 2C-C.
Detailed Description
Referring to fig. 2 to 7, an elastic clamping mechanism comprises a bottom plate 1, a positioning base plate 2 is installed on the bottom plate 1, side clamping plates 3 are installed on two adjacent sides of the positioning base plate 2 respectively, each side clamping plate 3 comprises a fixed part 3-1 and an elastic part 3-2 which are arranged at intervals, an inclined wedge plate 4 is arranged on the outer side of each elastic part 3-2, each inclined wedge plate 4 is matched with an inclined wedge on the outer side of each elastic part 3-2, each inclined wedge plate 4 is connected with a first oil cylinder 5, the first oil cylinders 5 drive the inclined wedge plates 4 to push the elastic parts 3-2 to enable the elastic parts 3-2 to deform and clamp the wall of a part with the fixed part 3-1, a hinge pressing plate 6 and a lever pressing plate 7 are respectively arranged on the other two sides of the positioning base plate 2, a pressing head is arranged at the upper end of the hinge pressing plate 6, a hinge seat 8 penetrating through the bottom plate 1 is arranged on the bottom plate 1, an arc head is arranged at the bottom of the hinge pressing plate 6, a connecting rod 11 is installed on a piston rod of each hinge pressing plate driving oil cylinder 10, the end of each connecting rod 11 is provided with a clamping groove matched with the arc head, the corresponding clamping head is movably clamped in the clamping groove, the clamping head, a telescopic pressing plate 12 is movably clamped in the clamping groove, a supporting frame 12 is driven by the telescopic pressing the piston rod 13 is arranged in the middle, and the supporting frame 13 is driven by the telescopic pressing the piston rod, and the piston rod 13 is driven by the telescopic pressing plate, and the piston rod is pressed down by the telescopic pressing plate 13, and the piston rod is the piston rod through the supporting frame.
The two sides of the bottom plate 1 are respectively provided with a side supporting seat 14, the side supporting seats 14 are provided with a second oil cylinder 15 which is horizontally arranged, a piston rod of the second oil cylinder 15 is provided with a side supporting block 16, the front end of the side supporting block 16 is provided with a V-shaped clamping groove, and the outer surfaces of the parts are positioned and supported through the side supporting blocks 16 on the left side and the right side. In the figure 17 is an intermediate blind rivet connecting the piston rod of the second cylinder 15 and the side support block 16.
The bottom of the bottom plate 1 is supported on a base 19 through a lower bracket 18, and the bottom plate 17 is obliquely arranged; the first oil cylinder 5 is arranged at the bottom of the bottom plate 1, and a piston rod of the first oil cylinder 5 penetrates through the bottom plate 1.
The side clamping plates 3 on one side of the positioning base plate 2 comprise two side-by-side clamping plates 3 on the other side, and the wedge plates with the same number are correspondingly arranged; two wedge plates 4 arranged side by side are connected through a middle connecting plate 20, the middle of the middle connecting plate 20 is connected with a first oil cylinder 5 through a double-head joint 21 and a blind rivet 22, the other side clamping plate 3 is connected with one end of a floating chain plate 24 through a first connecting joint 23, a simulation block 25 is arranged at the other end of the floating chain plate 24, a piston rod of the first oil cylinder 5 is hinged in the middle of the floating chain plate 24, floating is realized through the simulation block 25, and clamping force balance of parts is ensured.
According to the invention, the parts are clamped by the three fixing parts 3-1 and the elastic parts 3-2 in a matched manner, the side parts are supported and the upper ends are pressed together in a matched manner, so that complete clamping is ensured, the stroke is not excessive when the parts are loosened, and the elastic parts 3-2 are damaged due to excessive clamping when the clamp does not have empty parts.
Claims (5)
1. The elastic clamping mechanism is characterized by comprising a bottom plate, wherein a positioning base plate is arranged on the bottom plate, side clamping plates are respectively arranged on two adjacent sides of the positioning base plate, each side clamping plate comprises a fixed part and an elastic part which are arranged at intervals, an inclined wedge plate is arranged on the outer side of each elastic part, each inclined wedge plate is matched with an inclined wedge on the outer side surface of each elastic part, each inclined wedge plate is connected with a first oil cylinder, each first oil cylinder drives each inclined wedge plate to push against each elastic part to deform the corresponding elastic part and clamp the wall of a part with each fixed part, and movable upper pressing plates are respectively arranged on the other two sides of each positioning base plate and are connected with an upper pressing driving oil cylinder; the two wedge plates arranged side by side are connected through a middle connecting plate, the middle of the middle connecting plate is connected with the first oil cylinder through a double-head connector and a blind rivet, the other side clamping plate is connected with one end of a floating chain plate through a first connector, a simulation block is arranged at the other end of the floating chain plate, and the middle of the floating chain plate is hinged with a piston rod of the first oil cylinder; the upper pressing plate comprises a hinge pressing plate and a lever pressing plate, the upper pressing driving oil cylinder comprises a hinge pressing plate driving oil cylinder and a lever pressing plate driving oil cylinder, a pressing head is arranged at the upper end of the hinge pressing plate, a hinge seat penetrating through the bottom plate is arranged on the bottom plate, the hinge pressing plate is connected with the hinge seat through a cylindrical pin, an arc head is arranged at the bottom of the hinge pressing plate, a connecting rod is arranged on a piston rod of the hinge pressing plate driving oil cylinder, a clamping groove matched with the arc head is formed in the end portion of the connecting rod, the arc head is movably clamped in the clamping groove, a supporting frame is arranged on a cylinder body of the lever pressing plate driving oil cylinder, and the middle of the lever pressing plate is hinged with the supporting frame, one end of the supporting frame is hinged with the piston rod of the lever pressing plate driving oil cylinder, and the other end of the lever pressing plate driving oil cylinder is a pressing end.
2. The elastic clamping mechanism according to claim 1, wherein side supporting seats are respectively arranged on two sides of the bottom plate, a second oil cylinder which is horizontally arranged is arranged on the side supporting seats, a side supporting block is arranged on a piston rod of the second oil cylinder, and a V-shaped clamping groove is formed in the front end of the side supporting block.
3. An elastic clamping mechanism according to claim 1, wherein the bottom plate is supported on the base by a lower bracket, and the bottom plate is arranged obliquely.
4. The elastic clamping mechanism according to claim 1, wherein the first oil cylinder is mounted at the bottom of the base plate, and a piston rod of the first oil cylinder penetrates through the base plate.
5. An elastic clamping mechanism according to claim 1, wherein said side clamping plates on one side of said positioning pad comprise two side-by-side plates, one of said side clamping plates being provided on the other side, and the same number of wedge plates being correspondingly provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810504474.8A CN109277855B (en) | 2018-05-24 | 2018-05-24 | Elastic clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810504474.8A CN109277855B (en) | 2018-05-24 | 2018-05-24 | Elastic clamping mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109277855A CN109277855A (en) | 2019-01-29 |
| CN109277855B true CN109277855B (en) | 2023-09-01 |
Family
ID=65186239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810504474.8A Active CN109277855B (en) | 2018-05-24 | 2018-05-24 | Elastic clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109277855B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112108895A (en) * | 2020-09-09 | 2020-12-22 | 鹰普（中国）有限公司 | Small-space multidirectional clamping machining center clamp |
| CN112648902A (en) * | 2020-12-30 | 2021-04-13 | 鹰普（中国）有限公司 | Detection tool for shell parts |
| CN115302282B (en) * | 2022-09-01 | 2024-03-15 | 鹰普（中国）有限公司 | Auxiliary support positioning fixture |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640063A (en) * | 2013-11-29 | 2014-03-19 | 重庆派斯克刀具制造股份有限公司 | Rapid assembling and disassembling universal clamp for right angle surface planning processing |
| CN106944853A (en) * | 2017-05-07 | 2017-07-14 | 宁波金达汽车部件有限公司 | A kind of hydraulic clamp for being used to process the vacuum valve pump housing |
| CN107283185A (en) * | 2017-06-27 | 2017-10-24 | 鹰普（中国）有限公司 | A kind of gearbox part self-centering fixture |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4546268B2 (en) * | 2004-01-30 | 2010-09-15 | 東芝機械株式会社 | Moving mold support device and mold clamping device |
| JP4789006B2 (en) * | 2006-07-31 | 2011-10-05 | Ｓｍｃ株式会社 | Clamping device |
-
2018
- 2018-05-24 CN CN201810504474.8A patent/CN109277855B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640063A (en) * | 2013-11-29 | 2014-03-19 | 重庆派斯克刀具制造股份有限公司 | Rapid assembling and disassembling universal clamp for right angle surface planning processing |
| CN106944853A (en) * | 2017-05-07 | 2017-07-14 | 宁波金达汽车部件有限公司 | A kind of hydraulic clamp for being used to process the vacuum valve pump housing |
| CN107283185A (en) * | 2017-06-27 | 2017-10-24 | 鹰普（中国）有限公司 | A kind of gearbox part self-centering fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109277855A (en) | 2019-01-29 |
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