CN108581532B - Clamp - Google Patents
Clamp Download PDFInfo
- Publication number
- CN108581532B CN108581532B CN201810461579.XA CN201810461579A CN108581532B CN 108581532 B CN108581532 B CN 108581532B CN 201810461579 A CN201810461579 A CN 201810461579A CN 108581532 B CN108581532 B CN 108581532B
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- locking
- groove
- perforation
- working panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000003754 machining Methods 0.000 claims description 6
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a clamp, and belongs to the technical field of clamps for machinery. The device comprises a support frame, a pressing plate and a working panel, wherein a pair of parallel rods are arranged on the support frame, and the pressing plate is suspended under the parallel rods through a reset spring; locking springs are fixedly arranged on two sides of the lower bottom surface of the pressing plate respectively, and the lower ends of the locking springs are connected with a locking device; the working panel is positioned under the pressing plate, a groove is formed in the working panel, a through hole is formed in each of the left side and the right side of the groove, the locking device vertically penetrates through the through hole, and the locking device and the locking spring can move up and down in the through hole; the cross section of the perforation is rectangular, and the side length of the short side of the cross section of the perforation is smaller than the side length of the long side of the cross section of the locking device; the pressing plate is provided with a workpiece processing opening, and the size of the processing opening is smaller than that of the groove; the locking spring is arranged above the perforation at the lower end of the locking spring in a natural state after the locking device is connected. The clamp disclosed by the invention is simple to operate, can realize rapid clamping, and is not easy to scratch the outer surface of a workpiece.
Description
[ field of technology ]
The invention relates to the technical field of mechanical clamps, in particular to a clamp.
[ background Art ]
When milling, drilling, deburring or detecting the workpiece, the workpiece is clamped and fixed, and then corresponding actions are applied to the workpiece.
The clamping of the workpiece is indispensable, the traditional clamps are fixed, and the workpiece is inconvenient to put in and take out; and because traditional anchor clamps are fixed to the outward appearance of work piece can probably be scratched when the clamping, a large amount of defective products are produced.
In addition, when clamping the workpiece, the common clamp is specially designed for the workpiece with certain specification. In general, when the workpiece is of a large size, a plurality of jigs are required, which results in a great reduction in efficiency and a cost.
[ invention ]
In order to solve the above problems, an object of the present invention is to provide a clamp which is simple in operation, can achieve rapid clamping, and is not easy to scratch the outer surface of a workpiece.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the clamp comprises a support frame, a pressing plate and a workbench, wherein a pair of parallel rods which are parallel to each other are arranged on the support frame, and the pressing plate is connected with the parallel rods through a return spring so as to be suspended under the parallel rods; locking springs are fixedly arranged on two sides of the lower bottom surface of the pressing plate respectively, the upper ends of the locking springs are connected with the pressing plate, the lower ends of the locking springs are connected with locking devices, and the locking devices are of cuboid columnar structures; the upper end of the workbench is provided with a working panel, the working panel is positioned under the pressing plate, the working panel is provided with a groove for placing a workpiece, the left side and the right side of the groove are respectively provided with a perforation, the locking device is positioned right above the perforation, and the size of the cross sections of the locking device and the locking spring is smaller than the size of the perforation; the cross section of the perforation is rectangular, and the short side length of the cross section of the perforation is smaller than the long side length of the cross section of the locking device; a machining opening for machining a workpiece is hollowed out above the groove on the pressing plate, and the size of the machining opening is smaller than that of the groove; the thickness of the working panel is larger than the length of the locking spring in a natural state, and the pulling force of the locking spring on the pressing plate pulling down is larger than the pulling force of the reset spring on the pressing plate pulling up. More preferably, the pull-down force of the locking spring on the pressing plate is far greater than the pull-up force of the return spring on the pressing plate. Specifically, the pull-down force of the locking spring to the pressing plate is more than 10 times of the pull-up force of the return spring to the pressing plate.
Further preferably, a first magnet is respectively arranged on the left side and the right side of the groove on the working panel, and a second magnet is respectively arranged on the bottom surface of the working table opposite to the first magnet.
Further preferably, the bottom surface of the pressing plate is provided with a pressing fixing device, the pressing fixing device is a circle of frame ring protruding towards the lower side of the pressing plate, and the height of the frame ring protruding out of the bottom surface of the pressing plate is smaller than the depth of the groove.
Further preferably, the locking springs are sleeved with guide posts, the guide posts are located right above the through holes, the upper ends of the guide posts are fixed on the lower bottom surface of the pressing plate, and the lower ends of the guide posts are free ends; the guide post is a hollow columnar body, the cavity at the lower part of the guide post is smaller than the cavity at the upper part of the guide post, the size of the outer part of the guide post ensures that the guide post can pass through the perforation, and the height of the guide post is smaller than the thickness of the working panel; the upper end of the locking device is also provided with a protruding structure which can be just sleeved in the cavity at the lower part of the guide post.
Further preferably, the workbench further comprises a base, and the lower end of the bracket is connected with the base of the workbench through bolts.
Still preferably, a limiting groove perpendicular to the perforation is further formed in the bottom surface of the working panel, and the length and the width of the cross section of the limiting groove are respectively matched with the length and the width of the cross section of the locking device, so that the locking device can be clamped in the limiting groove.
By adopting the technical scheme, the invention has the following beneficial effects:
1. in the clamp, the clamping plate and the working panel of the workbench are in a separated state in a general state, when a workpiece is required to be clamped, the workpiece can be directly placed in the groove of the working panel, then the locking device is pulled down and rotated by 90 degrees to be clamped at the perforation of the working panel, so that the workpiece is tightly pressed by the pressing plate, the outer surface of the workpiece can be prevented from being scratched in the whole process, the operation is simple, the rapid clamping can be realized, and the working efficiency is improved.
2. In the clamp disclosed by the invention, the size of the processing opening on the pressing plate is smaller than that of the groove for fixing the workpiece, the pressing fastening device is arranged at the outer edge of the processing opening and protrudes towards the groove, and the pressing fastening device is contacted with the workpiece and presses the workpiece, so that the processing of the workpieces with various thicknesses can be realized, the application range of the clamp is enlarged, the clamp with excessive specifications is not required to be configured, and the configuration cost of the clamp is reduced.
[ description of the drawings ]
Fig. 1 is a schematic perspective view of a clamp according to the present invention.
FIG. 2 is a functional schematic of the back side of the platen in the clamp of the present invention.
Fig. 3 is a schematic plan view of a portion of the assembly of the clamp of the present invention.
Fig. 4 is a functional schematic of the underside of the work panel in the clamp of the present invention.
Fig. 5 is a cross-sectional view of a guide post in a clamp of the present invention.
Fig. 6 is a cross-sectional view of a locking device in a clamp of the present invention.
The device comprises a 1-workbench, a 11-working panel, a 111-perforation, a 112-first magnet, a 113-groove, a 114-limit groove, a 2-support frame, a 21-bolt, a 22-parallel rod, a 3-reset spring, a 4-pressing plate, a 41-processing opening, a 42-pressing fixing device, a 43-second magnet, a 5-guide pillar, a 6-locking spring, a 7-locking device and a 71-protruding structure.
[ detailed description ] of the invention
In order to more clearly illustrate the present invention, further details are provided below by way of specific embodiments in conjunction with the accompanying drawings.
Referring to fig. 1, which is a schematic perspective view of the fixture of the present invention, the fixture includes a support frame 2, a pressing plate 4 and a working table 1, the working table 1 includes a base, and the lower end of the support frame 2 is connected with the base of the working table 1 through bolts 21. The support frame is provided with a pair of parallel rods 22 which are parallel to each other, the parallel rods 22 are preferably arranged at the uppermost end of the support frame, and a certain distance is reserved between the parallel rods 22. The pressing plate 4 is connected with the parallel rods 22 through the reset springs 3, so that the pressing plate 4 is suspended under the parallel rods 22, the number of the reset springs 3 is a plurality, and 4 reset springs 3 are shown in the figure to ensure that the pressing plate 4 is in a horizontal state; locking springs 6 are fixedly arranged on two sides of the lower bottom surface of the pressing plate 4 respectively, the upper ends of the two locking springs 6 are hinged with the pressing plate 4, the lower ends of the locking springs 6 are connected with locking devices 7 respectively, and the locking devices 7 are of cuboid columnar structures; the upper end of the workbench 1 is provided with a working panel 11, the working panel 11 is positioned under the pressing plate 4, and a groove 113 for placing a workpiece is formed in the working panel 11. With continued reference to fig. 1, a through hole 111 is formed on each of the left and right sides of the groove 113, the locking device 7 is vertically inserted into the through hole 111, the cross section of the locking spring 6 is smaller than the size of the through hole 111, the locking device 7 is located right above the through hole 111, and the cross sections of the locking device 7 and the locking spring 6 are smaller than the size of the through hole 111; both the locking device 7 and the locking spring 6 can move up and down in the through hole 111; the cross section of the through hole 111 is rectangular, and the short side length of the cross section of the through hole 111 is smaller than the long side length of the cross section of the locking device 7; the pressing plate 4 is hollowed with a processing opening 41 for processing a workpiece right above the groove 113, the processing opening 41 and the groove 113 are both preferably square, and the size of the processing opening 41 is smaller than that of the groove 113; the thickness of the working panel 11 is greater than the length of the locking spring 7 in a natural state, the pulling force of the locking spring 7 to the pull-down of the pressing plate 4 is greater than the pulling force of the return spring 3 to the pull-up of the pressing plate 4, more preferably, the pulling force of the locking spring 7 to the pull-down of the pressing plate 4 is far greater than the pulling force of the return spring 3 to the pull-up of the pressing plate 4, or the pulling force of the locking spring 7 to the pull-down of the pressing plate 4 is more than 10 times of the pulling force of the return spring 3 to the pull-up of the pressing plate 4, and through the arrangement, when the pressing plate is in contact with the working panel, the locking spring is in a stretched state, and a workpiece can be pressed by the pressing plate 4.
Referring to fig. 1, a first magnet 112 is respectively arranged on the left and right sides of a groove 113 on the working panel 11, and a second magnet 43 is respectively arranged on the bottom surface of the working table 1 opposite to the first magnet 112 in a position corresponding to fig. 2; with this arrangement, when the platen 4 presses the work panel 11, the platen 4 can be pressed more tightly due to the attractive force between the magnets, thereby more ensuring that the work piece is pressed more tightly in the vertical direction by the platen 4.
Referring to fig. 1, 2 and 3, the bottom surface of the pressing plate 4 is provided with a pressing fixing device 42, the pressing fixing device 42 is a circle of frame protruding below the pressing plate 4 at the edge of the processing opening 41, and the height of the frame protruding out of the bottom surface of the pressing plate is smaller than the depth of the groove 113. When the thickness of the workpiece to be processed is smaller than the depth of the groove 113, the pressing plate 4 cannot press the workpiece, and by arranging the frame ring protruding downwards, the frame ring can be used for pressing the workpiece, so that the clamp disclosed by the invention can press thinner workpieces, and the application range is enlarged.
With continued reference to fig. 1, the locking springs 6 are respectively sleeved with a guide post 5, the guide posts 5 are positioned right above the through holes 111, the upper ends of the guide posts 5 are fixed on the lower bottom surface of the pressing plate 4, and the lower ends of the guide posts 5 are free ends; further, referring to fig. 5, the guide post 5 is a hollow cylindrical body, and the cavity at the lower part of the guide post 5 is smaller than the cavity at the upper part of the guide post 5, which is a sectional view of the guide post 5. The invention also requires that the dimensions of the outer part of the guide post 5 ensure that it can pass through said perforations 111 and that the height of the guide post 5 is smaller than the thickness of said working panel. Referring to fig. 6, which is a sectional view of the locking device 7, the upper end of the locking device 7 is further provided with a protruding structure 71 which can be just sleeved in the cavity at the lower part of the guide post 5, when the clamp of the invention is not used, the locking device 7 may be located above the working panel, because the upper end of the locking device is hinged with the locking spring, horizontal rotation is easy to occur, the locking device cannot be right opposite to the perforation after rotation, and the protruding structure 71 which can be easy to pass through is sleeved in the cavity at the lower part of the guide post 5, so that the locking spring 6 is retracted, and the problem of elasticity reduction caused by metal fatigue generated when the locking spring 6 is pulled down by the locking device 7 for a long time is avoided.
Referring to fig. 4, a functional schematic of the bottom surface of the working panel 11 in the fixture of the present invention is that a limiting groove 114 perpendicular to the through hole 111 is further provided on the bottom surface of the working panel 11, and the length and width of the cross section of the limiting groove 114 are exactly matched with the length and width of the cross section of the locking device 7, so that the locking device 7 can be clamped in the limiting groove 114 after being pulled down below the working panel 11 and rotated horizontally by 90 degrees.
The clamp of the invention is in a separated state with the working panel 11 under the normal state, so that when a workpiece is required to be clamped, the workpiece is only required to be directly placed in the groove 113 on the working panel 11, then the clamping device 7 is given a vertical downward force to drive the clamping plate 4 to move downwards, the clamping fixing device 42 on the clamping plate 4 is combined to clamp the workpiece placed on the working panel 11, then the clamping device 7 is horizontally rotated by 90 degrees to clamp the workpiece at the perforation 111 arranged on the working panel 11, preferably in the limiting groove 114, the purpose of locking the workpiece is achieved, and the two pairs of magnets respectively arranged on the clamping plate 4 and the working panel 11 play a role of further assisting in clamping the workpiece. When the workpiece needs to be loosened, the locking device 7 is firstly given a slight downward force to enable the workpiece to be separated from the limiting groove, and then the workpiece is rotated for 90 degrees to return to the original state, so that the workpiece is loosened through the through holes 111 in the working panel 11 under the action of the locking spring 6 and the return spring 3.
The foregoing description is directed to the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the invention, and all equivalent changes or modifications made under the technical spirit of the present invention should be construed to fall within the scope of the present invention.
Claims (5)
1. A fixture, characterized in that: the device comprises a support frame, a pressing plate and a workbench, wherein a pair of parallel rods which are parallel to each other are arranged on the support frame, and the pressing plate is connected with the parallel rods through a reset spring so as to enable the pressing plate to be horizontally suspended under the parallel rods; locking springs are fixedly arranged on two sides of the lower bottom surface of the pressing plate respectively, the upper ends of the locking springs are connected with the pressing plate, the lower ends of the locking springs are connected with locking devices, and the locking devices are of cuboid columnar structures; the upper end of the workbench is provided with a working panel, the working panel is positioned under the pressing plate, the working panel is provided with a groove for placing a workpiece, the left side and the right side of the groove are respectively provided with a perforation, the locking device is positioned right above the perforation, and the size of the cross sections of the locking device and the locking spring is smaller than the size of the perforation; the cross section of the perforation is rectangular, and the short side length of the cross section of the perforation is smaller than the long side length of the cross section of the locking device; a machining opening for machining a workpiece is hollowed out above the groove on the pressing plate, and the size of the machining opening is smaller than that of the groove; the thickness of the working panel is larger than the length of the locking spring in a natural state, the pulling force of the locking spring to the downward pulling of the pressing plate is far larger than the pulling force of the reset spring to the upward pulling of the pressing plate, and the pulling force of the locking spring to the downward pulling of the pressing plate is more than 10 times of the pulling force of the reset spring to the upward pulling of the pressing plate; the bottom surface of the pressing plate is provided with a pressing fixing device, the pressing fixing device is a circle of frame ring protruding towards the lower side of the pressing plate, and the height of the frame ring protruding out of the bottom surface of the pressing plate is smaller than the depth of the groove.
2. A clamp as claimed in claim 1, wherein: the left side and the right side of the groove on the working panel are respectively provided with a first magnet, and the position, opposite to the first magnet, of the bottom surface of the working table is respectively provided with a second magnet.
3. A clamp as claimed in claim 1, wherein: the locking springs are sleeved with guide posts, the guide posts are positioned right above the through holes, the upper ends of the guide posts are fixed on the lower bottom surface of the pressing plate, and the lower ends of the guide posts are free ends; the guide post is a hollow columnar body, the cavity at the lower part of the guide post is smaller than the cavity at the upper part of the guide post, the size of the outer part of the guide post ensures that the guide post can penetrate into the through hole, and the height of the guide post is smaller than the thickness of the working panel; the upper end of the locking device is also provided with a protruding structure which can be just sleeved in the cavity at the lower part of the guide post.
4. A clamp as claimed in claim 1, wherein: the workbench further comprises a base, and the lower end of the supporting frame is connected with the base of the workbench through bolts.
5. A clamp as claimed in claim 1, wherein: a limiting groove vertical to the perforation is also arranged on the perforation at the bottom surface of the working panel, the length and the width of the cross section of the limiting groove are just matched with the length and the width of the cross section of the locking device respectively, so that the locking device can be clamped in the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810461579.XA CN108581532B (en) | 2018-05-03 | 2018-05-03 | Clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810461579.XA CN108581532B (en) | 2018-05-03 | 2018-05-03 | Clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108581532A CN108581532A (en) | 2018-09-28 |
| CN108581532B true CN108581532B (en) | 2023-12-29 |
Family
ID=63631007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810461579.XA Active CN108581532B (en) | 2018-05-03 | 2018-05-03 | Clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108581532B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496443B (en) * | 2020-04-29 | 2021-11-30 | 台州腾凯机械股份有限公司 | Supporting mechanism for welding small-sized dozer blade for excavator |
| CN113059379B (en) * | 2021-04-02 | 2022-05-31 | 大族激光科技产业集团股份有限公司 | Fixing clamp |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT233356B (en) * | 1960-12-27 | 1964-05-11 | Allemann Praez Smaschb Ets | Work table of a transfer machine tool |
| JPH0736449U (en) * | 1993-12-13 | 1995-07-04 | 日新電機株式会社 | Clamp device |
| JPH0970825A (en) * | 1995-09-04 | 1997-03-18 | Sony Corp | Device for clamping semiconductor wafer |
| CN202052968U (en) * | 2011-04-08 | 2011-11-30 | 双威大昌锻造(安徽)有限公司 | Drilling clamp for grouser shoe |
| CN202192439U (en) * | 2011-03-22 | 2012-04-18 | 纽威数控装备（苏州）有限公司 | Fuel pump production line tool equipment |
| CN102601643A (en) * | 2012-03-07 | 2012-07-25 | 苏州工业园区艺达精密机械有限公司 | Multi-workpiece clamping device |
| CN202539985U (en) * | 2012-03-07 | 2012-11-21 | 苏州工业园区艺达精密机械有限公司 | Multi-workpiece clamping device |
| KR101499559B1 (en) * | 2013-12-17 | 2015-03-12 | 주식회사 영일인덱스 | Jig hydraulic indirect clamping device |
| CN106312808A (en) * | 2016-08-31 | 2017-01-11 | 台州北平机床有限公司 | Clamp capable of rapidly clamping round bar stocks |
| CN106808390A (en) * | 2017-03-23 | 2017-06-09 | 东莞仕能机械设备有限公司 | A kind of battery clamp for balancing pressure |
| CN206493127U (en) * | 2017-02-06 | 2017-09-15 | 兴科电子科技有限公司 | A kind of pneumatic spring locking fixture |
| CN206689751U (en) * | 2017-02-12 | 2017-12-01 | 季丽红 | A kind of rotatable frock clamp |
| CN208584218U (en) * | 2018-05-03 | 2019-03-08 | 桂林电子科技大学 | A kind of fixture |
-
2018
- 2018-05-03 CN CN201810461579.XA patent/CN108581532B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT233356B (en) * | 1960-12-27 | 1964-05-11 | Allemann Praez Smaschb Ets | Work table of a transfer machine tool |
| JPH0736449U (en) * | 1993-12-13 | 1995-07-04 | 日新電機株式会社 | Clamp device |
| JPH0970825A (en) * | 1995-09-04 | 1997-03-18 | Sony Corp | Device for clamping semiconductor wafer |
| CN202192439U (en) * | 2011-03-22 | 2012-04-18 | 纽威数控装备（苏州）有限公司 | Fuel pump production line tool equipment |
| CN202052968U (en) * | 2011-04-08 | 2011-11-30 | 双威大昌锻造(安徽)有限公司 | Drilling clamp for grouser shoe |
| CN202539985U (en) * | 2012-03-07 | 2012-11-21 | 苏州工业园区艺达精密机械有限公司 | Multi-workpiece clamping device |
| CN102601643A (en) * | 2012-03-07 | 2012-07-25 | 苏州工业园区艺达精密机械有限公司 | Multi-workpiece clamping device |
| KR101499559B1 (en) * | 2013-12-17 | 2015-03-12 | 주식회사 영일인덱스 | Jig hydraulic indirect clamping device |
| CN106312808A (en) * | 2016-08-31 | 2017-01-11 | 台州北平机床有限公司 | Clamp capable of rapidly clamping round bar stocks |
| CN206493127U (en) * | 2017-02-06 | 2017-09-15 | 兴科电子科技有限公司 | A kind of pneumatic spring locking fixture |
| CN206689751U (en) * | 2017-02-12 | 2017-12-01 | 季丽红 | A kind of rotatable frock clamp |
| CN106808390A (en) * | 2017-03-23 | 2017-06-09 | 东莞仕能机械设备有限公司 | A kind of battery clamp for balancing pressure |
| CN208584218U (en) * | 2018-05-03 | 2019-03-08 | 桂林电子科技大学 | A kind of fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108581532A (en) | 2018-09-28 |
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