CN103962985A - Eccentric type fast clamping tool and workpiece clamping method - Google Patents

Eccentric type fast clamping tool and workpiece clamping method Download PDF

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Publication number
CN103962985A
CN103962985A CN201410227279.7A CN201410227279A CN103962985A CN 103962985 A CN103962985 A CN 103962985A CN 201410227279 A CN201410227279 A CN 201410227279A CN 103962985 A CN103962985 A CN 103962985A
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CN
China
Prior art keywords
eccentric
hole
screw
installing hole
nut
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
Application number
CN201410227279.7A
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Chinese (zh)
Inventor
赵飞
张崎
杨磊
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CETC 43 Research Institute
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CETC 43 Research Institute
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Filing date
Publication date
Application filed by CETC 43 Research Institute filed Critical CETC 43 Research Institute
Priority to CN201410227279.7A priority Critical patent/CN103962985A/en
Publication of CN103962985A publication Critical patent/CN103962985A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)

Abstract

The invention relates to the field of machining of machines, electronics, materials and the like, in particular to an eccentric type fast clamping tool and a workpiece clamping method. The eccentric type fast clamping tool comprises an eccentric screw and a countersunk table nut, the eccentric screw comprises a cylindrical screw head portion and a screw rod portion which is arranged on the lower portion of the screw head portion and connected with the screw head portion, a noncircular operation hole driving the screw head portion to rotate is formed in the screw head portion in a concave mode, the axis of the operation hole coincides with the axis of the screw rod portion, and a set eccentric distance exists between the axis of the operation hole and the axis of the screw head portion. The countersunk table nut comprises a nut head portion, a countersunk table hole penetrating through the nut head portion is formed in the nut head portion, and the screw head portion of the eccentric screw is embedded into the countersunk table hole. The eccentric type fast clamping tool has the advantages of being compact in structure, flexible in operation, convenient to machine and manufacture, simple, practical, low in maintenance cost and the like, is combined with an auxiliary locating mechanism to be used, can be widely applied to the field of machining of the machines, the electronics, the materials and the like or the field with clamping needs, and is easy and convenient to operate, fast and flexible.

Description

Eccentric rapid clamping frock and piece-holder method
Technical field
The present invention relates to the manufacture fields such as machinery, electronics, material, specifically relate to a kind of eccentric rapid clamping frock and piece-holder method.
Background technology
At the manufacture field of the industries such as machinery, electronics, material, or there is the field of clamping demand, conventionally adopt specific clamping apparatus to realize to workpiece or by the clamping of operating article, steady job.Tradition clamping tool mainly contains the instruments such as vice, bench vice, clamping plate, and these instruments must drive slide block by operating grip, realizes the clamping to workpiece with slide block.This class frock is often made up of multiple parts such as handle, screw rod, slide block, bases, complex structure, and purchase cost is higher, and it is also quite high to later maintenance maintenance work requirement, has virtually increased again use cost.Meanwhile, this class frock ubiquity complex operation, the inferior problem of inefficiency, and after long-time use, due to reasons such as mechanical wears, be prone to the problem of frock precise decreasing, and then cause piece-holder shakiness or location to be forbidden.
Summary of the invention
One of object of the present invention is to be to provide a kind of eccentric rapid clamping frock, another object of the present invention is to provide a kind of method that adopts this eccentric rapid clamping frock workpiece to be realized to clamping.
In order to solve foregoing invention object, the technical scheme adopting is: a kind of eccentric rapid clamping frock, comprise eccentric screw and heavy stand nut, described eccentric screw comprises cylindrical screw head and is placed in screw head bottom and coupled threaded shank, in described screw head, be concaved with the non-circular handle hole that drives its rotation, the axis of described handle hole and the axis of threaded shank coincide, and between the axis of handle hole and the axis of screw head, have the eccentric throw of a setting spacing; Described heavy stand nut comprises nut head, offers the heavy stand hole of running through its body in described nut head, and the screw head of described eccentric screw is embedded in this heavy stand hole.
As the further improvement of eccentric rapid clamping frock, described heavy stand hole is included in the first installing hole in upper and lower arrangement relation and the second installing hole in nut head, the bore dia of described the first installing hole is greater than the bore dia of the second installing hole, described screw head is placed in the first installing hole, and described threaded shank is passed the second installing hole and stretched out from the bottom surface of nut head.The height of described screw head is not more than the degree of depth of the first installing hole.The bore dia of described the second installing hole is greater than the external diameter of threaded shank.Described non-circular handle hole is interior hexagonal configuration.The profile of described nut head is regular hexagon.
In order to solve above-mentioned another goal of the invention, the technical scheme adopting is: utilize the method for eccentric rapid clamping frock to piece-holder, first workpiece is positioned in auxiliary positioner, on this auxiliary positioner, be reserved with the threaded shank of eccentric screw the screwed hole coordinating is installed in a workpiece side to be clamped, the threaded shank of eccentric screw is passed and inserted in the screwed hole of auxiliary positioner in the heavy stand hole of heavy stand nut, then utilize the operation tool in update hole that eccentric screw is realized and being rotated, under the existence of eccentric throw, thereby drive the translation of heavy stand nut, realize piece-holder.
As piece-holder further improvements in methods, described non-circular handle hole is interior hexagonal configuration.The profile of described nut head is regular hexagon.Described heavy stand hole is included in the first installing hole in upper and lower arrangement relation and the second installing hole in nut head, the bore dia of described the first installing hole is greater than the bore dia of the second installing hole, described screw head is placed in the first installing hole, and described threaded shank is passed the second installing hole and stretched out from the bottom surface of nut head; The height of described screw head is not more than the degree of depth of the first installing hole, and the bore dia of described the second installing hole is greater than the external diameter of threaded shank.
Compared with prior art, eccentric rapid clamping frock of the present invention and piece-holder method, its beneficial effect shows:
1), eccentric rapid clamping frock, there is the advantages such as convenient, the simple and practical and maintenance cost of compact conformation, flexible operation, processing and fabricating is low.
2), eccentric rapid clamping frock combines use with auxiliary positioner, can be widely used in the manufacture fields such as machinery, electronics, material, or the field that has clamping to need, easy and simple to handle, quick, flexible.
Brief description of the drawings
Fig. 1 is the structural representation of eccentric rapid clamping frock of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural representation of the eccentric screw 20 in Fig. 1.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is the structural representation of the heavy stand nut 30 in Fig. 1.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is the application example schematic diagram of eccentric rapid clamping frock of the present invention.
In figure, Reference numeral implication is as follows:
10-eccentric rapid clamping frock
20-eccentric screw 21-screw head
22-handle hole 23-threaded shank
30-heavy stand nut 31-nut head
32-heavy stand hole 321-first installing hole 322-the second installing hole
40-workpiece
50-auxiliary positioner.
Detailed description of the invention
Eccentric rapid clamping frock 10 shown in Fig. 1 and 2, comprise eccentric screw 20 and heavy stand nut 30, see also Fig. 3 and 4, eccentric screw 20 comprises cylindrical screw head 21 and is placed in screw head 21 bottoms and the threaded shank 23 with its integral molding, in screw head 21, be concaved with the non-circular handle hole 22 that drives its rotation, the axis of the axis of handle hole 22 and threaded shank 23 coincides, and between the axis of the axis of handle hole 22 and screw head 21, there is the eccentric throw A of a setting spacing, the large I of this eccentric throw A according to requirements and occasion specifically determine, realize the driving to heavy stand nut 30 by eccentric throw, and then the clamping of realization to workpiece.
In threaded shank 23, be processed with external screw thread, screw thread specification and reach are determined by concrete instructions for use.
Non-circular handle hole 22 is preferably designed for interior hexagonal configuration, installs and dismantle eccentric rapid clamping frock 10 entirety thereby be convenient to inner hexagon spanner, and interior hexagonal size is determined by concrete instructions for use.
Refer to Fig. 5 and 6, heavy stand nut 30 comprises nut head 31, offers the heavy stand hole 32 of running through its body in nut head 31, and the screw head 21 of eccentric screw 20 is embedded in this heavy stand hole 32.Heavy stand hole 32 is included in the bore dia that the bore dia of the first installing hole 321 in upper and lower arrangement relation and the second installing hole 322, the first installing holes 321 in nut head 31 is greater than the second installing hole 322.
Screw head 21 is placed in the first installing hole 321, the height of screw head 21 is not more than the degree of depth of the first installing hole 321, thereby make to meet cooperation demand between the two, so that coordinate time screw head 21 can imbed completely in heavy stand nut 30, do not protrude nut head 31 upper surfaces of heavy stand nut 30.
Threaded shank 23 is passed the second installing hole 322 and stretches out from the bottom surface of nut head 31.The bore dia of the second installing hole 322 is greater than the external diameter of threaded shank 23.
The profile of nut head 31 can be the various shapes such as triangle, quadrangle or circle, specifically determines by instructions for use, and the present embodiment is preferably and is regular hexagon.
Refer to Fig. 7, first workpiece 40 is positioned in auxiliary positioner 50, on this auxiliary positioner 50, be reserved with the threaded shank 23 of eccentric screw 20 screwed hole coordinating is installed in workpiece 40 side to be clamped, the threaded shank of eccentric screw 20 23 is passed and inserted in the screwed hole of auxiliary positioner 50 in the heavy stand hole 32 of heavy stand nut 30, then utilize the inner hexagon spanner in update hole 22 to rotate eccentric screw 20, drive 30 translations of heavy stand nut, realize the clamping (as shown in realizing, shown in dotted line after clamping before clamping) to workpiece with this.
The foregoing is only the schematic detailed description of the invention of the present invention, not in order to limit scope of the present invention.Any those skilled in the art, the equivalent variations of having done under the premise without departing from the spirit and scope of the present invention and improvement, all should belong to the scope of protection of the invention.

Claims (10)

1. an eccentric rapid clamping frock, is characterized in that: comprise eccentric screw (20) and heavy stand nut (30),
Described eccentric screw (20) comprises cylindrical screw head (21) and is placed in screw head (21) bottom and coupled threaded shank (23), in described screw head (21), be concaved with the non-circular handle hole (22) that drives its rotation, the axis of the axis of described handle hole (22) and threaded shank (23) coincides, and between the axis of handle hole (22) and the axis of screw head (21), has the eccentric throw of a setting spacing;
Described heavy stand nut (30) comprises nut head (31), offers the heavy stand hole (32) of running through its body in described nut head (31), and the screw head (21) of described eccentric screw (20) is embedded in this heavy stand hole (32).
2. eccentric rapid clamping frock according to claim 1, it is characterized in that: described heavy stand hole (32) is included in the first installing hole (321) in upper and lower arrangement relation and the second installing hole (322) in nut head (31), the bore dia of described the first installing hole (321) is greater than the bore dia of the second installing hole (322), described screw head (21) is placed in the first installing hole (321), and described threaded shank (23) is passed the second installing hole (322) and stretched out from the bottom surface of nut head (31).
3. eccentric rapid clamping frock according to claim 2, is characterized in that: the height of described screw head (21) is not more than the degree of depth of the first installing hole (321).
4. eccentric rapid clamping frock according to claim 2, is characterized in that: the bore dia of described the second installing hole (322) is greater than the external diameter of threaded shank (23).
5. according to the eccentric rapid clamping frock described in claim 1~4 any one, it is characterized in that: described non-circular handle hole (22) is interior hexagonal configuration.
6. according to the eccentric rapid clamping frock described in claim 1~4 any one, it is characterized in that: the profile of described nut head (31) is regular hexagon.
7. one kind is utilized the method for eccentric rapid clamping frock to piece-holder as claimed in claim 1, it is characterized in that: first workpiece (40) is positioned in auxiliary positioner (50), this auxiliary positioner (50) is upper to be reserved with the threaded shank (23) of eccentric screw (20) screwed hole coordinating is installed in workpiece (40) side to be clamped, the threaded shank of eccentric screw (20) (23) is passed and inserted in the screwed hole of auxiliary positioner (50) in the heavy stand hole (32) of heavy stand nut (30), then utilize the operation tool in update hole (22) that eccentric screw (20) is realized and being rotated, under the existence of eccentric throw, thereby drive heavy stand nut (30) translation, realize workpiece (40) is clamped.
8. piece-holder method according to claim 7, is characterized in that: described non-circular handle hole (22) is interior hexagonal configuration.
9. piece-holder method according to claim 7, is characterized in that: the profile of described nut head (31) is regular hexagon.
10. piece-holder method according to claim 7, it is characterized in that: described heavy stand hole (32) is included in the first installing hole (321) in upper and lower arrangement relation and the second installing hole (322) in nut head (31), the bore dia of described the first installing hole (321) is greater than the bore dia of the second installing hole (322), described screw head (21) is placed in the first installing hole (321), and described threaded shank (23) is passed the second installing hole (322) and stretched out from the bottom surface of nut head (31); The height of described screw head (21) is not more than the degree of depth of the first installing hole (321), and the bore dia of described the second installing hole (322) is greater than the external diameter of threaded shank (23).
CN201410227279.7A 2014-05-27 2014-05-27 Eccentric type fast clamping tool and workpiece clamping method Pending CN103962985A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410227279.7A CN103962985A (en) 2014-05-27 2014-05-27 Eccentric type fast clamping tool and workpiece clamping method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410227279.7A CN103962985A (en) 2014-05-27 2014-05-27 Eccentric type fast clamping tool and workpiece clamping method

Publications (1)

Publication Number Publication Date
CN103962985A true CN103962985A (en) 2014-08-06

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106931856A (en) * 2017-04-11 2017-07-07 苏州市计量测试研究所 Spline rod distance measurement auxiliary fixture and measuring method
CN108340103A (en) * 2018-03-23 2018-07-31 博瑞特热能设备股份有限公司 Boiler's tube-plate anti-deformation tool
CN108655721A (en) * 2018-06-29 2018-10-16 江苏元利数控机床有限公司 A kind of device and its application method of precise straightening the linear guide
CN111300096A (en) * 2020-04-03 2020-06-19 青岛金科模具有限公司 Movable block processing tool for tire mold

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0236537A1 (en) * 1986-03-10 1987-09-16 Maurice E. Bishop Eccentric clamps
US5718421A (en) * 1996-11-06 1998-02-17 Cimino; Michael A. Orbital hold-down clamp
CN203875790U (en) * 2014-05-27 2014-10-15 中国电子科技集团公司第四十三研究所 Eccentric-type rapid workpiece clamping tool

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0236537A1 (en) * 1986-03-10 1987-09-16 Maurice E. Bishop Eccentric clamps
US5718421A (en) * 1996-11-06 1998-02-17 Cimino; Michael A. Orbital hold-down clamp
CN203875790U (en) * 2014-05-27 2014-10-15 中国电子科技集团公司第四十三研究所 Eccentric-type rapid workpiece clamping tool

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106931856A (en) * 2017-04-11 2017-07-07 苏州市计量测试研究所 Spline rod distance measurement auxiliary fixture and measuring method
CN108340103A (en) * 2018-03-23 2018-07-31 博瑞特热能设备股份有限公司 Boiler's tube-plate anti-deformation tool
CN108340103B (en) * 2018-03-23 2023-11-03 博瑞特热能设备股份有限公司 Boiler tube plate deformation-preventing tool
CN108655721A (en) * 2018-06-29 2018-10-16 江苏元利数控机床有限公司 A kind of device and its application method of precise straightening the linear guide
CN108655721B (en) * 2018-06-29 2023-10-31 江苏元利数控机床有限公司 Device for precisely straightening linear guide rail and application method thereof
CN111300096A (en) * 2020-04-03 2020-06-19 青岛金科模具有限公司 Movable block processing tool for tire mold

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Application publication date: 20140806