CN103612135A - Large-stroke clamping mechanism of heavy-duty cutting fixture for machining industry - Google Patents
Large-stroke clamping mechanism of heavy-duty cutting fixture for machining industry Download PDFInfo
- Publication number
- CN103612135A CN103612135A CN201310543450.0A CN201310543450A CN103612135A CN 103612135 A CN103612135 A CN 103612135A CN 201310543450 A CN201310543450 A CN 201310543450A CN 103612135 A CN103612135 A CN 103612135A
- Authority
- CN
- China
- Prior art keywords
- pressure plate
- pin
- clamping
- clamping mechanism
- push bar
- 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.)
- Pending
Links
Images
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)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a large-stroke clamping mechanism of a heavy-duty cutting fixture for the machining industry. The large-stroke clamping mechanism comprises a push bar and a pressure plate. The end of the push bar is provided with an opening. The pressure plate inside the opening is connected through a pin. The push bar is provided with an elongated hole for the insertion of the pin. A pad is fixedly connected to the push bar and disposed between the push bar and the pressure plate. The pressure plate is in cylindrical face contact with the pad. A dowel is fixedly connected to one side of the pad and inserted into a dowel hole of the pressure plate. The pressure plate is provided with a first press nail and a second press nail. According to the large-stroke clamping mechanism, when a work piece is tightly pressed, the two press nails clamp towards the work piece at the same time, a cylindrical face of the pressure plate is in linear contact with that of the pad so as to transfer clamping force, the dowel allows the pressure plate to rotate at a small angle to ensure reliable contact between the press nails and clamping points, and the pin bears no main clamping force after clamping. The large-stroke clamping mechanism is simple in structure and small in structural size, rarely causes interference, has large clamping force, is stable and reliable in clamping, and is more suitable for large strokes.
Description
Technical field
The present invention relates to a kind of clamp mechanism, particularly a kind of large stroke clamp mechanism of the heavy cut fixture for machining industry.
Background technology
Pressure plate clamping mechanism is one of conventional frame for movement in machining industry, its effect be by Workpiece clamping on positioning datum, guarantee that workpiece location is reliable, and in machining process, guarantee all the time that the location of workpiece fixes.Existing pressure plate clamping mechanism is directly pressing plate to be hinged on push rod by bearing pin, pin is fixed on pressing plate, in the clamp mount such as fixture upper cover for pin is made pilot hole.When platen travel distance is larger, the corresponding increasing of bearing pin length, bearing pin deadweight can cause pressing plate uneven, and impact clamps effect.When cutting force is larger, thickness of compressive plate thickening, pin diameter strengthens, and rod diameter strengthens, and total size strengthens, and is easy to cause the various mechanisms of fixture to interfere.
Summary of the invention
The object of this invention is to provide that a kind of simple in structure, clamping force is large, stable firmly, physical dimension is little, be suitable for larger stroke, be difficult for causing the large stroke clamp mechanism of the heavy cut fixture for machining industry of mutually interfering with miscellaneous part, overcome the deficiencies in the prior art.
The large stroke clamp mechanism of the heavy cut fixture for machining industry of the present invention, comprises push rod, pressing plate, and there is opening push rod termination, and pressing plate is positioned at opening and connects by bearing pin, and the hole of inserting bearing pin on push rod is slotted hole; On push rod, be fixedly connected with backing plate, backing plate is between push rod and pressing plate, and between pressing plate and backing plate, for cylinder contacts, a side of backing plate is fixedly connected with pin, and pin inserts in the pin hole on pressing plate; On pressing plate, be provided with the first nail pressing and the second nail pressing.
The large stroke clamp mechanism of the heavy cut fixture for machining industry of the present invention, when clamping work pieces, two nail pressings are pressed from both sides to workpiece simultaneously, pressing plate cylinder forms line with backing plate cylinder and contacts transmission clamping force, and pin makes pressing plate Small-angle Rotation guarantee that nail pressing reliably contacts with clamping point, clamps not acceptor's clamping force of rear pin shaft, this mechanism is simple in structure, physical dimension is little, is difficult for causing interference, and clamping force is large, clamp reliable and stablely, be more suitable in larger stroke.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention;
Fig. 2 is the A-A cross-sectional schematic shown in Fig. 1.
The specific embodiment
As shown in Figure 1, 2: 7 is push rod, a termination driving mechanism of push rod 7, there is opening another termination of push rod 7, and pressing plate 3 is positioned at opening and connects by bearing pin 9, and the hole of inserting bearing pin 9 on push rod 7 is slotted hole 8.On push rod 7, by bolt 6, be fixedly connected with backing plate 5, backing plate 5 is between push rod 7 and pressing plate 3.Between pressing plate 3 and backing plate 5, for cylinder contacts, on pressing plate 3, be processed with and protrude cylinder 12, on backing plate 5, be processed with recessed cylinder 11, protrude between cylinder 12 and recessed cylinder 11 for line contacts.One side of backing plate 5 is threaded connection mode and is fixedly connected with pin 4, in the pin hole that pin 4 inserts on pressing plate 3.First nail pressing 2 that has been threaded on pressing plate 3 and the second nail pressing 10.
The course of work is as follows: when the first nail pressing 2 does not contact workpiece 1 with the second nail pressing 10, protrude cylinder 12 and recessed cylinder 11 in released state, on pressing plate 3 suspensions and bearing pin 9, pin 4 is adjusted pressing plate 3 amplitudes of oscillation.When the first nail pressing 2 contacts workpiece 1 with the second nail pressing 10, protrude cylinder 12 and contact with recessed cylinder 11, push rod 7 thrusts are applied to pressing plate 3, through the first nail pressing 2 and the second nail pressing 10, be applied on workpiece 1, thereby realize, clamp.Have advantages of that simple in structure, clamping force is large, stable firmly, physical dimension is little, be suitable for larger stroke, be difficult for causing with miscellaneous part and mutually interfere.
Claims (1)
1. the large stroke clamp mechanism of the heavy cut fixture for machining industry, comprise push rod (7), pressing plate (3), it is characterized in that: there is opening push rod (7) termination, pressing plate (3) is positioned at opening and connects by bearing pin (9), and the upper hole of inserting bearing pin (9) of push rod (7) is slotted hole (8); On push rod (7), be fixedly connected with backing plate (5), backing plate (5) is positioned between push rod (7) and pressing plate (3), between pressing plate (3) and backing plate (5), for cylinder contacts, a side of backing plate (5) is fixedly connected with pin (4), and pin (4) inserts in the pin hole on pressing plate (3); On pressing plate (3), be provided with the first nail pressing (2) and the second nail pressing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310543450.0A CN103612135A (en) | 2013-11-06 | 2013-11-06 | Large-stroke clamping mechanism of heavy-duty cutting fixture for machining industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310543450.0A CN103612135A (en) | 2013-11-06 | 2013-11-06 | Large-stroke clamping mechanism of heavy-duty cutting fixture for machining industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103612135A true CN103612135A (en) | 2014-03-05 |
Family
ID=50162869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310543450.0A Pending CN103612135A (en) | 2013-11-06 | 2013-11-06 | Large-stroke clamping mechanism of heavy-duty cutting fixture for machining industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103612135A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004216515A (en) * | 2003-01-15 | 2004-08-05 | Smc Corp | Clamping apparatus |
| CN2734404Y (en) * | 2004-09-09 | 2005-10-19 | 扬动股份有限公司 | Long stroke clamp mechanism |
| JP2006043827A (en) * | 2004-08-05 | 2006-02-16 | Nishijima Corp | Natural clamping apparatus |
| CN201291382Y (en) * | 2008-11-27 | 2009-08-19 | 江苏高精机电装备有限公司 | Large-range hydraulic self-locking clamping mechanism |
| CN102380778A (en) * | 2011-09-21 | 2012-03-21 | 浙江吉利汽车研究院有限公司 | Clamping mechanism for workpiece |
-
2013
- 2013-11-06 CN CN201310543450.0A patent/CN103612135A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004216515A (en) * | 2003-01-15 | 2004-08-05 | Smc Corp | Clamping apparatus |
| JP2006043827A (en) * | 2004-08-05 | 2006-02-16 | Nishijima Corp | Natural clamping apparatus |
| CN2734404Y (en) * | 2004-09-09 | 2005-10-19 | 扬动股份有限公司 | Long stroke clamp mechanism |
| CN201291382Y (en) * | 2008-11-27 | 2009-08-19 | 江苏高精机电装备有限公司 | Large-range hydraulic self-locking clamping mechanism |
| CN102380778A (en) * | 2011-09-21 | 2012-03-21 | 浙江吉利汽车研究院有限公司 | Clamping mechanism for workpiece |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201320689Y (en) | Cramping apparatus for crankshaft milling key groove | |
| CN202517297U (en) | V-shaped positioning clamp for quickly clamping shaft type workpieces | |
| CN103753311A (en) | Clamping space adjustable clamping device | |
| CN204248502U (en) | Camshaft processing unit (plant) fixture | |
| CN204430817U (en) | A kind of machine workpieces clamping device | |
| CN206455037U (en) | A kind of square block decompressor | |
| CN204735988U (en) | A press from both sides tight frock for processing bent axle | |
| CN204276688U (en) | A kind of can the mold of safe self-locking | |
| CN202200058U (en) | Manual force-increasing clamp | |
| CN103612135A (en) | Large-stroke clamping mechanism of heavy-duty cutting fixture for machining industry | |
| CN204366554U (en) | A kind of hydraulic valve core milling clamping tool | |
| CN102806472A (en) | Laterally-clamped knock type clamp | |
| CN201168881Y (en) | Jig | |
| CN203901153U (en) | Locating fixture of brake support | |
| CN203726161U (en) | Pressure measurable pawl type loosening-preventing clamp | |
| CN207464741U (en) | A kind of fixture for shape extrusion | |
| CN203254163U (en) | Static pressure thick guiding rail clamping device | |
| CN202344251U (en) | Self-adaptive blank contour clamping mechanism | |
| CN202539609U (en) | Thin-wall workpiece inner bore lathe clamp | |
| CN201455840U (en) | Clamping driving plate for shaft with threads at two ends | |
| CN205870051U (en) | Pneumatic clamping device | |
| CN201573072U (en) | Parallel swelling inner hole clamping device | |
| CN204603887U (en) | Clamping device | |
| CN204817785U (en) | Key tartar clamping mechanism for tooth punching machine | |
| CN103522219A (en) | Punch end portion machining jig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140305 |