CN204366450U - The inner centering and clamping mechanism of large-scale workpiece - Google Patents

The inner centering and clamping mechanism of large-scale workpiece Download PDF

Info

Publication number
CN204366450U
CN204366450U CN201420776873.7U CN201420776873U CN204366450U CN 204366450 U CN204366450 U CN 204366450U CN 201420776873 U CN201420776873 U CN 201420776873U CN 204366450 U CN204366450 U CN 204366450U
Authority
CN
China
Prior art keywords
helical gear
thread bush
screw rod
vertical screw
pin
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.)
Active
Application number
CN201420776873.7U
Other languages
Chinese (zh)
Inventor
曾荣良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT Co Ltd
Original Assignee
CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT Co Ltd filed Critical CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN201420776873.7U priority Critical patent/CN204366450U/en
Application granted granted Critical
Publication of CN204366450U publication Critical patent/CN204366450U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Jigs For Machine Tools (AREA)

Abstract

The inner centering and clamping mechanism of the utility model large-scale workpiece, drives transmission helical gear to rotate by driving mechanisms such as motors, drives driven helical gear to rotate by transmission helical gear.Because driven helical gear is connected with vertical screw rod key, and fixed by nut, so driven helical gear drives vertical screw rod to rotate in the lump.Because two thread bush that vertical screw rod is threaded are slidably connected in gathering sill, under the effect of vertical bolt rotary, thread bush can only slide up and down in gathering sill.Because thread bush and the pin that rises are contact of incline plane, therefore, under the effect of thread bush, the pin that rises can cross out from body, is clamped by the large-scale workpiece be placed on body from inside, reaches the requirement of processing.

Description

The inner centering and clamping mechanism of large-scale workpiece
Technical field
The utility model relates to a kind of clamping tool for machine work, is specifically related to the inner centering and clamping mechanism of a kind of large-scale workpiece.
Background technology
Fixture adds to be used for rapid fastenings man-hour, makes lathe, cutter, part keep the process unit of correct relative position.Frock clamp is the indispensable parts of machining, machine tool technology at a high speed, efficient, precision, compound, intelligence, environmental protection future development drive under, clamp technology is just towards high-precision, efficient, module, combination, general, economic future development.Jig, is conducive to the machining accuracy, the stabilized product quality that ensure part; Be conducive to raising labour productivity and reducing costs; Be conducive to improving workman's working condition, ensure safety in production; Be conducive to enlarger bed process scope, realize " a tractor serves several purposes ".Fixture is usually by compositions such as setting element (determining the tram of part in fixture), clamping device, tool setting induction element (determine the relative position of cutter and part or guide tool orientation), indexing means (make part can complete the processing of several station in once mounting, have circular index device and rectilinear movement indexing means two class), Connection Element and clamp bodies (clamp base).At present, when machining large workpiece, due to the restriction of part itself, can only clamp from the tapping of inside, cannot from outside clamping work pieces.The size of traditional elastic expansion-sleeve is too little, and intensity is poor, cannot act directly on that workpiece to carry out inner clamps tight.If elastic expansion-sleeve must be adopted to carry out inside clamping, then need the ringfeder of large-size, cause the hardness of ringfeder self comparatively large, need great extruding force just can strut ringfeder, be difficult to realize.
Utility model content
The purpose of this utility model is to provide a kind of large-scale workpiece inner centering and clamping mechanism, by structural improvement, does not directly adopt ringfeder, realizes the inside centering clamping of large-scale workpiece.
For achieving the above object, the technical solution of the utility model is: the inner centering and clamping mechanism of large-scale workpiece, comprise vertical body, a cavity is offered in described body, a pair intermeshing helical gear is provided with in described cavity, described helical gear comprises horizontal transmission helical gear and vertical driven helical gear, and described driven helical gear is connected to one end of vertical screw rod by key, and the end of described vertical screw rod is provided with fixing driven helical gear nut; Also be provided with in described body one with the vertical gathering sill of cavity connects, described gathering sill slidably connects two thread bush side by side, described vertical screw flight section with two side by side thread bush coordinate; Two levels that are provided with described body rise pin, described in one end that pin inserts body of rising be inclined-plane, described thread bush is provided with the inclined-plane coordinated with the pin end face that rises.
When adopting technique scheme, drive transmission helical gear to rotate by driving mechanisms such as motors, drive driven helical gear to rotate by transmission helical gear.Because driven helical gear is connected with vertical screw rod key, and fixed by nut, so driven helical gear drives vertical screw rod to rotate in the lump.Because two thread bush that vertical screw rod is threaded are slidably connected in gathering sill, under the effect of vertical bolt rotary, thread bush can only slide up and down in gathering sill.Because thread bush and the pin that rises are contact of incline plane, therefore, under the effect of thread bush, the pin that rises can cross out from body, is clamped by the large-scale workpiece be placed on body from inside, reaches the requirement of processing.
Further, described screw rod screw rod is provided with a lining contacted with driven helical gear, and described screw rod screw rod is provided with a spacer contacted with thread bush, is provided with back-moving spring between described lining and spacer.This setting can produce precompose firmly by back-moving spring.
Further, the top of described body is provided with two alignment pins.Arrange alignment pin to be positioned large-scale workpiece by alignment pin, improve the precision of location.
Further, described alignment pin is threaded with body.This is established and after alignment pin wearing and tearing or Long-Time Service, can regulate the length of alignment pin.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of the inner centering and clamping mechanism embodiment of the utility model large-scale workpiece.
Detailed description of the invention
As shown in Figure 1, the inner centering and clamping mechanism of the utility model large-scale workpiece, includes vertical clamp body 1, and have a vertical cavity in clamp body, the top of cavity is a gathering sill be communicated with.In cavity, be provided with a pair intermeshing helical gear, helical gear comprises horizontal transmission helical gear 3 and vertical driven helical gear 6.Transmission helical gear 3 is fixed by lining 4 and clamp body 1, and lining 4 is fixed by screw 2.Driven helical gear 6 is connected to one end of vertical screw rod 15 by key 7, and the end of vertical screw rod 15 is provided with the nut 5 of fixing driven helical gear 6.Vertical screw rod 15 is positioned at driven helical gear 6 and clamp body 1 is provided with lining 8.Vertical screw rod 15 has also been threaded lower thread bush 13 and upper thread bush 14.Be provided with a spacer 11 in the below of lower thread bush 13, between spacer 11 and lining 8, be provided with back-moving spring 9.Wherein, lower thread bush 13 and upper thread bush 14 are equipped with inclined-plane, rise under clamp body 1 is laterally provided with pin 10 and rise pin 17, and wherein rise down pin 10 and lower thread bush 13 contact of incline plane, under the pin 10 that rises be provided with elastic force rib 12; Rise pin 17 and upper thread bush 14 contact of incline plane.Spring 16 is provided with between rise pin 17 and clamp body 1.Two alignment pins 19 are provided with at the top of clamp body.Arrange alignment pin 19 to be positioned by alignment pin 19 pairs of large-scale workpieces 20, improve the precision of location.Alignment pin 19 is threaded with clamp body 1.This is established and can wear and tear at alignment pin 19 or after Long-Time Service, regulate the length of alignment pin 19.
The utility model is red, drives transmission helical gear 3 to rotate, drive driven helical gear 6 to rotate by transmission helical gear 3 by driving mechanisms such as motors.Because driven helical gear 6 is connected with vertical screw rod 15 key, and fixed, so driven helical gear 6 drives vertical screw rod 15 to rotate in the lump by nut 5.Because two thread bush that vertical screw rod 15 is threaded are slidably connected in gathering sill, under the effect that vertical screw rod 15 rotates, thread bush can only slide up and down in gathering sill.Because thread bush and the pin that rises are contact of incline plane, therefore, under the effect of thread bush, the pin that rises can cross out from clamp body 1, is clamped by the large-scale workpiece 20 be placed on clamp body 1, reach the requirement of processing from inside.
Above-described is only preferred embodiment of the present utility model; should be understood that; for a person skilled in the art; without departing from the concept of the premise utility; some distortion and improvement can also be made; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.

Claims (4)

1. the inner centering and clamping mechanism of large-scale workpiece, comprise vertical body, it is characterized in that, a cavity is offered in described body, a pair intermeshing helical gear is provided with in described cavity, described helical gear comprises horizontal transmission helical gear and vertical driven helical gear, and described driven helical gear is connected to one end of vertical screw rod by key, and the end of described vertical screw rod is provided with fixing driven helical gear nut; Also be provided with in described body one with the vertical gathering sill of cavity connects, described gathering sill slidably connects two thread bush side by side, described vertical screw flight section with two side by side thread bush coordinate; Two levels that are provided with described body rise pin, described in one end that pin inserts body of rising be inclined-plane, described thread bush is provided with the inclined-plane coordinated with the pin end face that rises.
2. the inner centering and clamping mechanism of large-scale workpiece according to claim 1, it is characterized in that, described vertical screw rod is provided with a lining contacted with driven helical gear, and described vertical screw rod is provided with a spacer contacted with thread bush, is provided with back-moving spring between described lining and spacer.
3. the inner centering and clamping mechanism of large-scale workpiece according to claim 1, it is characterized in that, the top of described body is provided with two alignment pins.
4. the inner centering and clamping mechanism of large-scale workpiece according to claim 3, it is characterized in that, described alignment pin is threaded with body.
CN201420776873.7U 2014-12-11 2014-12-11 The inner centering and clamping mechanism of large-scale workpiece Active CN204366450U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420776873.7U CN204366450U (en) 2014-12-11 2014-12-11 The inner centering and clamping mechanism of large-scale workpiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420776873.7U CN204366450U (en) 2014-12-11 2014-12-11 The inner centering and clamping mechanism of large-scale workpiece

Publications (1)

Publication Number Publication Date
CN204366450U true CN204366450U (en) 2015-06-03

Family

ID=53322698

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420776873.7U Active CN204366450U (en) 2014-12-11 2014-12-11 The inner centering and clamping mechanism of large-scale workpiece

Country Status (1)

Country Link
CN (1) CN204366450U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104589087A (en) * 2014-12-11 2015-05-06 重庆环际低碳节能技术开发有限公司 Large-size workpiece interior centering clamping mechanism
CN106363423A (en) * 2015-07-20 2017-02-01 安徽红星阀门有限公司 Processing clamp of thin-wall rotation work piece

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104589087A (en) * 2014-12-11 2015-05-06 重庆环际低碳节能技术开发有限公司 Large-size workpiece interior centering clamping mechanism
CN106363423A (en) * 2015-07-20 2017-02-01 安徽红星阀门有限公司 Processing clamp of thin-wall rotation work piece

Similar Documents

Publication Publication Date Title
CN104440254A (en) Parallel linkage clamping mechanism
CN205020850U (en) Automatic correct drilling machine
CN104526397A (en) Decompression shaft head face milling clamping mechanism
CN103978193B (en) Wheel blanks removes gating apparatus
CN103273118A (en) Drilling combined die
CN104589087A (en) Large-size workpiece interior centering clamping mechanism
CN204194864U (en) A kind of electric motor end cap multi-hole drill
CN104440255A (en) Multidirectional linkage clamping mechanism
CN204366450U (en) The inner centering and clamping mechanism of large-scale workpiece
CN204171763U (en) A kind of machining center cutter-exchange mechanism
CN204035652U (en) Vertical sleeping Compositions of metal-working machines
CN205147830U (en) High accuracy rear positioning device
CN204711567U (en) A kind of novel groove milling combined machine
CN204308613U (en) Parallel linking clamping mechanism
CN104259905A (en) Blank mold milling and flattening plane clamp
CN203993119U (en) Multistation drilling-tapping machine
CN106002263A (en) Machine tool for drilling and tapping ends of guide rails
CN204353803U (en) Multidirectional linking clamping mechanism
CN203993120U (en) A kind of electric armour clamp drilling-tapping machine
CN204053145U (en) Numerical control rack beveler
CN203649974U (en) Adjustable workpiece fixing fixture
CN202804628U (en) Connecting rod body multi-position specialized machine tool for boring and drilling
CN111015314A (en) CNC machine tool mounting fixture
CN204171755U (en) Become blank mould milling flat horizontal surface fixture
CN204524470U (en) A kind of spark machine electrode holder

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Large-size workpiece interior centering clamping mechanism

Effective date of registration: 20170331

Granted publication date: 20150603

Pledgee: Chongqing new billion financing Company limited by guarantee

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT CO., LTD.

Registration number: 2017980000105

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20180404

Granted publication date: 20150603

Pledgee: Chongqing new billion financing Company limited by guarantee

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT CO., LTD.

Registration number: 2017980000105

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Large-size workpiece interior centering clamping mechanism

Effective date of registration: 20180528

Granted publication date: 20150603

Pledgee: Chongqing new billion financing Company limited by guarantee

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT CO., LTD.

Registration number: 2018500000001

PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20190307

Granted publication date: 20150603

Pledgee: Chongqing new billion financing Company limited by guarantee

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT CO., LTD.

Registration number: 2018500000001

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Large-size workpiece interior centering clamping mechanism

Effective date of registration: 20190613

Granted publication date: 20150603

Pledgee: Bank of China Limited Chongqing Tongliang Branch

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT CO., LTD.

Registration number: 2019500000014

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20200722

Granted publication date: 20150603

Pledgee: Bank of China Limited Chongqing Tongliang Branch

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT Co.,Ltd.

Registration number: 2019500000014

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Large-size workpiece interior centering clamping mechanism

Effective date of registration: 20200722

Granted publication date: 20150603

Pledgee: Bank of China Limited Chongqing Tongliang Branch

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT Co.,Ltd.

Registration number: Y2020990000821

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20220126

Granted publication date: 20150603

Pledgee: Bank of China Limited Chongqing Tongliang Branch

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT Co.,Ltd.

Registration number: Y2020990000821