CN105458778A - Clamping device with screw rod - Google Patents
Clamping device with screw rod Download PDFInfo
- Publication number
- CN105458778A CN105458778A CN201510954074.3A CN201510954074A CN105458778A CN 105458778 A CN105458778 A CN 105458778A CN 201510954074 A CN201510954074 A CN 201510954074A CN 105458778 A CN105458778 A CN 105458778A
- Authority
- CN
- China
- Prior art keywords
- clamping limb
- installation cavity
- screw mandrel
- depression bar
- clamping
- 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
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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The invention discloses a clamping device with a screw rod. The clamping device comprises an installation cavity, wherein two clamping arms facing each other directly are installed inside the installation cavity; heads of the clamping arms protrude forwards and extend out of the installation cavity; two resetting and guiding devices facing each other directly are installed inside the installation cavity; the resetting and guiding devices are connected with one of the clamping arms respectively; an internal pressure rod for the clamping arms is arranged inside the installation cavity; the front end of the internal pressure rod for the clamping arms is aligned with the tail of the clamping arms; when the internal pressure rod for the clamping arms move forwards, the internal pressure rod drives the clamping arms to clamp each other relatively; the internal pressure for the clamping arms is driven by a jacking device; each resetting and guiding device comprises a guiding sliding block, a sliding block and a resetting tension spring; and the jacking device comprises the screw rod and a rotating handle. With the adoption of the structure, the application range is wide, and the operation is simple; the clamping strength is high; the vibration of an original component during milling is reduced; and the milling accuracy is effectively improved.
Description
Technical field
The invention belongs to machining tool clamp field, be specifically related to a kind of clamping device with screw mandrel.
Background technology
Be used for fixing processing object in clamping tooling and machine-building process, make it to occupy correct position, to accept the device of constructing or detecting.
During Milling Process, cutting force is comparatively large, is again interrupted cut, and vibration is comparatively large, and therefore the clamping force of fraise jig requires comparatively large, and fixture rigidity, requirement of strength are all higher.Existing milling machine clamping tooling, complex structure, clamping force is less, and chuck strength is not enough, and cause during Milling Process and vibrate greatly, machining accuracy is not enough, overcomes the above problems and becomes the task of top priority.
Summary of the invention
For solving above technical problem, the invention provides a kind of structure ingenious, applicability is high, can the clamping device of band screw mandrel of firm grip different-diameter bevel gear shaft.
For achieving the above object, technical solution of the present invention is as follows:
A kind of clamping device with screw mandrel, comprise and cavity (1) is installed, two are provided with just to the clamping limb (2) arranged in this installation cavity (1), its main points are: the head of described clamping limb (2) stretches out forward described installation cavity (1) respectively, two are provided with just to the reset guide device (A) arranged in this installation cavity (1), this reset guide device (A) is connected with a described clamping limb (2) respectively, depression bar (6) in a clamping limb is provided with in described installation cavity (1), in this clamping limb, the afterbody of described clamping limb (2) is aimed in the front end of depression bar (6), when in this clamping limb, depression bar (6) advances, promote described clamping limb (2) relatively to clamp, in described clamping limb, depression bar (6) is driven by jacking apparatus (B), described reset guide device (A) comprises slide block (4) and directive slide track (3), wherein slide block (4) is fixedly connected with described clamping limb (2), the either end of described directive slide track (3) is fixedly connected with described installation cavity (1), described slide block (4) and described directive slide track (3) socket, this slide block (4) can slide along described directive slide track (3), this directive slide track (3) is respectively installed with reset tension spring (5), the two ends of this reset tension spring (5) are fixedly connected with described installation cavity (1) with described slide block (4) respectively, described reset tension spring (5) pull described clamping limb (2) between two relative away from and reset, described jacking apparatus (B) comprises screw mandrel (7), the front end of this screw mandrel (7) penetrates described installation cavity (1), the end that penetrates of described screw mandrel (7) is connected with the rear end axial thread of depression bar (6) in described clamping limb, and the rear end of this screw mandrel (7) is connected with turning handle (8).
Adopt above structure, in clamping limb, depression bar (6) travels forward, clamping limb (2) is driven to close, clamping needs the original paper of Milling Process, machine rear clamping limb (2) to reset under the effect of reset tension spring (5), because the thickness of the large I of clamping limb (2) the folding original paper as required of this structure adjusts flexibly, therefore applied widely, and it is simple to operate, chuck strength is high, reduce the vibration of original paper during Milling Process, effectively improve machining accuracy.
As preferably: the afterbody of two described clamping limbs (2) towards depression bar (6) direction in described clamping limb from reducing gradually outside to inside.Adopt above structure, structure is simple, reliable, reasonable.
As preferably: in described clamping limb, depression bar (6) front end is provided with the inner chamber (6a) matched with the afterbody of described clamping limb (2), and the internal diameter of this inner chamber (6a) increases from inside to outside gradually towards described clamping limb (2) direction.Adopt above structure, structure is simple, reliable, reasonable.
As preferably: the madial wall of described inner chamber (6a) and the lateral wall of described clamping limb (2) afterbody are fitted completely.Adopt above structure, in effective raising clamping limb, depression bar (6) is to the chuck strength of clamping limb (2).
As preferably: described clamping limb (2) and described slide block (4) integrated molding.Adopt above structure, effectively increase the bonding strength of clamping limb (2) and slide block (4).
Beneficial effect: the clamping device adopting the band screw mandrel of above technical scheme, structure is simply novel, is easy to realize, and flexibly, applied widely, chuck strength is high in adjustment, reduces the vibration of original paper during Milling Process, effectively improves machining accuracy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the invention will be further described.
As shown in Figure 1, a kind of clamping device with screw mandrel, comprise and cavity 1 is installed, two are provided with just to the clamping limb 2 arranged in this installation cavity 1, the head of described clamping limb 2 stretches out forward described installation cavity 1 respectively, two are provided with just to the reset guide device A arranged in this installation cavity 1, this reset guide device A respectively clamping limb 2 described with is connected, depression bar 6 in a clamping limb is provided with in described installation cavity 1, in this clamping limb, the afterbody of described clamping limb 2 is aimed in the front end of depression bar 6, namely the afterbody of two described clamping limbs 2 reduces certainly outside to inside gradually towards depression bar 6 direction in described clamping limb, in described clamping limb, depression bar 6 front end is provided with the inner chamber 6a matched with the afterbody of described clamping limb 2, the internal diameter of this inner chamber 6a increases from inside to outside gradually towards described clamping limb 2 direction, the madial wall of described inner chamber 6a and the lateral wall of described clamping limb 2 afterbody are fitted completely, when in this clamping limb, depression bar 6 advances, promote described clamping limb 2 relatively to clamp, in described clamping limb, depression bar 6 is driven by jacking apparatus B, described reset guide device A comprises slide block 4 and directive slide track 3, wherein slide block 4 is fixedly connected with described clamping limb 2, described clamping limb 2 and described slide block 4 integrated molding, the either end of described directive slide track 3 is fixedly connected with described installation cavity 1, described slide block 4 and described directive slide track 3 are socketed, this slide block 4 can slide along described directive slide track 3, this directive slide track 3 is respectively installed with reset tension spring 5, the two ends of this reset tension spring 5 are fixedly connected with described installation cavity 1 with described slide block 4 respectively, described reset tension spring 5 pull described clamping limb 2 between two relative away from and reset, described jacking apparatus B comprises screw mandrel 7, and the front end of this screw mandrel 7 penetrates described installation cavity 1, and the end that penetrates of described screw mandrel 7 is connected with the rear end axial thread of depression bar 6 in described clamping limb, and the rear end of this screw mandrel 7 is connected with turning handle 8.
During use, rotary motion handle 8 drives screw mandrel 7 to rotate, and screw mandrel 7 drives depression bar 6 in clamping limb forward, make clamping limb 2 relatively close and close, clamping needs the original paper of Milling Process, start processing, after machining, reversely rotate turning handle 8, order about depression bar 6 in clamping limb to retreat, clamping limb 2 is resetted under the effect of reset tension spring 5, clamping limb 2 relatively away from and open, take out the finished product machined.
Finally need explanation; foregoing description is only the preferred embodiments of the present invention, those skilled in the art under enlightenment of the present invention, under the prerequisite without prejudice to present inventive concept and claim; can make like multiple types and representing, such conversion all falls within protection scope of the present invention.
Claims (5)
1. the clamping device with screw mandrel, comprise and cavity (1) is installed, two are provided with just to the clamping limb (2) arranged in this installation cavity (1), it is characterized in that: the head of described clamping limb (2) stretches out forward described installation cavity (1) respectively, two are provided with just to the reset guide device (A) arranged in this installation cavity (1), this reset guide device (A) is connected with a described clamping limb (2) respectively, depression bar (6) in a clamping limb is provided with in described installation cavity (1), in this clamping limb, the afterbody of described clamping limb (2) is aimed in the front end of depression bar (6), when in this clamping limb, depression bar (6) advances, promote described clamping limb (2) relatively to clamp, in described clamping limb, depression bar (6) is driven by jacking apparatus (B),
Described reset guide device (A) comprises slide block (4) and directive slide track (3), wherein slide block (4) is fixedly connected with described clamping limb (2), the either end of described directive slide track (3) is fixedly connected with described installation cavity (1), described slide block (4) and described directive slide track (3) socket, this slide block (4) can slide along described directive slide track (3), this directive slide track (3) is respectively installed with reset tension spring (5), the two ends of this reset tension spring (5) are fixedly connected with described installation cavity (1) with described slide block (4) respectively, described reset tension spring (5) pull described clamping limb (2) between two relative away from and reset,
Described jacking apparatus (B) comprises screw mandrel (7), the front end of this screw mandrel (7) penetrates described installation cavity (1), the end that penetrates of described screw mandrel (7) is connected with the rear end axial thread of depression bar (6) in described clamping limb, and the rear end of this screw mandrel (7) is connected with turning handle (8).
2. the clamping device of band screw mandrel according to claim 1, is characterized in that: the afterbody of two described clamping limbs (2) reduces certainly outside to inside gradually towards depression bar (6) direction in described clamping limb.
3. the clamping device of band screw mandrel according to claim 1 and 2, it is characterized in that: in described clamping limb, depression bar (6) front end is provided with the inner chamber (6a) matched with the afterbody of described clamping limb (2), the internal diameter of this inner chamber (6a) increases from inside to outside gradually towards described clamping limb (2) direction.
4. the clamping device of band screw mandrel according to claim 3, is characterized in that: the madial wall of described inner chamber (6a) and the lateral wall of described clamping limb (2) afterbody are fitted completely.
5. the clamping device of the band screw mandrel according to claim 1 or 2 or 4, is characterized in that: described clamping limb (2) and described slide block (4) integrated molding.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510954074.3A CN105458778A (en) | 2015-12-17 | 2015-12-17 | Clamping device with screw rod |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510954074.3A CN105458778A (en) | 2015-12-17 | 2015-12-17 | Clamping device with screw rod |
Publications (1)
Publication Number | Publication Date |
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CN105458778A true CN105458778A (en) | 2016-04-06 |
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ID=55597170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510954074.3A Pending CN105458778A (en) | 2015-12-17 | 2015-12-17 | Clamping device with screw rod |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107662167A (en) * | 2017-09-26 | 2018-02-06 | 南京晶云化工有限公司 | Surgical operating instrument clamping device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090179369A1 (en) * | 2008-01-16 | 2009-07-16 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Fixture for automatically positioning workpiece |
CN202239443U (en) * | 2011-08-19 | 2012-05-30 | 天津市天锻压力机有限公司 | Clamping device for precision forging process production line of steel rail turnouts |
CN203418334U (en) * | 2013-08-02 | 2014-02-05 | 四川省自贡市海川实业有限公司 | Automatic inclined block clamping fixture |
CN104908053A (en) * | 2015-06-20 | 2015-09-16 | 苏州蓝王机床工具科技有限公司 | Mechanical grab |
CN205414999U (en) * | 2015-12-17 | 2016-08-03 | 重庆翼耀科技咨询有限公司 | Novel milling process who takes lead screw presss from both sides tightly device |
-
2015
- 2015-12-17 CN CN201510954074.3A patent/CN105458778A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090179369A1 (en) * | 2008-01-16 | 2009-07-16 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Fixture for automatically positioning workpiece |
CN202239443U (en) * | 2011-08-19 | 2012-05-30 | 天津市天锻压力机有限公司 | Clamping device for precision forging process production line of steel rail turnouts |
CN203418334U (en) * | 2013-08-02 | 2014-02-05 | 四川省自贡市海川实业有限公司 | Automatic inclined block clamping fixture |
CN104908053A (en) * | 2015-06-20 | 2015-09-16 | 苏州蓝王机床工具科技有限公司 | Mechanical grab |
CN205414999U (en) * | 2015-12-17 | 2016-08-03 | 重庆翼耀科技咨询有限公司 | Novel milling process who takes lead screw presss from both sides tightly device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107662167A (en) * | 2017-09-26 | 2018-02-06 | 南京晶云化工有限公司 | Surgical operating instrument clamping device |
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Application publication date: 20160406 |