CN101502936A

CN101502936A - Juggle type precise flat tong for machine tool with large processing table

Info

Publication number: CN101502936A
Application number: CNA200910037688XA
Authority: CN
Inventors: 张应祥; 张灿洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-02
Filing date: 2009-03-02
Publication date: 2009-08-12
Anticipated expiration: 2029-03-02
Also published as: WO2010099677A1; CN101502936B

Abstract

The invention relates to building block system precision flat-nose pliers for large processing table facet machine. The building block system precision flat-nose pliers is essentially to solve the problems of low machine work efficiency of the machine, noticeable partial wear and tear on operation parts of the machine, and poor processing precision of the work pieces with poor rigidity existed in the prior art. The technical proposal is as follows: a group of flat-nose pliers are installed on the work table facet of a machine, which is characterized in that a group of flat-nose pliers comprise three or more independent flat-nose pliers arranged in parallel; each independent flat-nose plier comprises a block, a fixed jaw fixed on the block, two or more movable jaws matched on the block guide rail in a sliding way, and a quick travel mechanism installed on the block; both outer side faces of the block guide rail are equipped with teeth rows; the quick travel mechanism comprises a nut seat matched with the block guide rail in a sliding way, a thrust screw thread matched with the nut seat by screw, and an expansion device arranged on both sides of the nut seat and matched with the teeth rows on both outer side faces of the block guide rail; and a thrust end of the thrust screw is matched with one movable jaw.

Description

The building block system precision flatnosed pliers that a kind of big processing table top lathe is used

Technical field

The invention belongs to the lathe workpiece, be meant that specifically a kind of machining center, planer-type milling machine, metal-planing machine etc. of being suitable for have the building block system precision flatnosed pliers that uses on the lathe of relatively large processing work top.

Background technology

The machining center that generally uses, planer-type milling machine, metal-planing machine etc. have the lathe of relatively large processing work top at present, and its work top generally is equipped with one to two flat-nose pliers, in order to workpiece to be processed is fixed.The traditional structure of flat-nose pliers is by pincers seats, be fixed on regular jaw on the pincers seat, be slidingly fitted in moving jaw on the pincers seat, the be rotatably assorted screw mandrel on the pincers seat and the nut that is installed on the moving jaw constitute, and wherein nut and screw mandrel are made threaded engagement.

But the applicant once proposed the precision flatnosed pliers used on a kind of lathe of fast moving moving jaw by No. the 200710030192.0th, Chinese patent application, by improving the traditional structure of flat-nose pliers, solve troublesome poeration that prior art exists, inefficiency, too fast or excessive wear and damage easily, precision reduced and problems such as the lost of life.Its structure is by the pincers seat, be fixed on the regular jaw on the pincers seat, be slidingly fitted in the moving jaw on the pincers seat guide rail, be installed in the pincers seat and go up the fast moving mechanism formation that cooperates with moving jaw, feature is: described pincers seat guide rail both sides are provided with tooth bar, described fast moving mechanism is by the nut seat that is slidingly fitted on the pincers seat guide rail, the thrust screw rod of threaded engagement on nut seat, the hypertonic device that is arranged in the nut seat constitutes, the hypertonic device is by a pair of movable tooth piece that is slidingly fitted on the nut seat inside groove, the hypertonic control lever, return spring constitutes, respectively there is the tooth row that engages with the tooth bar of pincers seat guide rail both sides in the movable tooth piece outside, control part on the hypertonic control lever matches with the auxiliary section of movable tooth piece inboard, the bar portion of hypertonic control lever cooperates with nut seat, its handgrip termination is in outside the nut seat, return spring two ends respectively are connected on the two movable tooth pieces, and the promote-side of thrust screw rod cooperates with moving jaw.

But, have on the lathe of relatively large processing work top and use no matter above-mentioned any flat-nose pliers is installed to machining center, planer-type milling machine, metal-planing machine etc., all can there be such defective: the one, generally mostly be only part processing, operating efficiency is not high; The 2nd, when regular or process in batch when carrying out partial operation, can make the machine tool motion position produce tangible concentrated wear than small workpiece or on workpiece, shorten lathe service life; The 3rd, for the relatively poor workpiece of processing rigidity, its machining accuracy is not high.

Summary of the invention

For overcome use on the existing lathe with relatively large processing work top that the flat-nose pliers structure causes that lathe exists generally mostly be only part processing, operating efficiency is not high, easily make the machine tool motion position produce tangible concentrated wear, shorten lathe service life, the relatively poor not high defective of its machining accuracy of workpiece of processing rigidity, the purpose of this invention is to provide the building block system precision flatnosed pliers that a kind of improved big processing table top lathe is used, can overcome the defective of prior art.

The technical solution adopted for the present invention to solve the technical problems is: the building block system precision flatnosed pliers that a kind of big processing table top lathe is used, be mounted in one group of flat-nose pliers of a machine tool work top, it is characterized in that: described one group of flat-nose pliers comprises the independent flat brank that be arranged in parallel more than three or three, wherein each independent flat brank is by the pincers seat, be fixed on the regular jaw on the pincers seat, be slidingly fitted in the moving jaw more than two or two on the pincers seat guide rail, the fast moving mechanism that is installed on the pincers seat constitutes, described pincers seat guide rail two lateral surfaces are provided with tooth row, described fast moving mechanism is by the nut seat that is slidingly fitted on the pincers seat guide rail, the thrust screw rod of threaded engagement on nut seat, be arranged at the hypertonic device that cooperates with pincers seat guide rail two lateral surface tooth rows on the nut seat both sides and constitute, the promote-side of thrust screw rod cooperates with a moving jaw.

The hypertonic device of technique scheme can do to promote the bolt that cooperates at the nut seat sidepiece and with movable tooth piece by the movable tooth piece that is slidingly fitted in the nut seat sidepiece, threaded engagement, the return spring that is engaged between nut seat sidepiece and the movable tooth piece constitutes, and has tooth row and pincers seat guide rail two lateral surface tooth row cards to join on the movable tooth piece.

The regular jaw of technique scheme and moving jaw all can be provided with mounting groove and screw is installed at its end face, in order to the pincers piece or the briquetting of all size size, different shape to be installed, enlarge the clamp or the cramping function of regular jaw and moving jaw.

The moving jaw of technique scheme can also be provided with detent mechanism, makes moving jaw can be used as the situation that regular jaw used or went for workpiece pressing.The detent mechanism of moving jaw can by a location tooth row that is in pincers seats guide rail two lateral surface tooth rows below, be snug fit at the moving jaw sidepiece the positioning tooth piece, be located at return spring between moving jaw sidepiece and the positioning tooth piece, be placed through moving jaw and constitute with the bolt of positioning tooth piece threaded engagement, the tooth row on the positioning tooth piece with locate the tooth row card and join.

The regular jaw of technique scheme also can be made of an above-mentioned fast moving mechanism and a moving jaw that is mated, and can make the jaw on the both sides of the independent flat brank jaw that can fix use, also can do moving jaw and use like this.When the jaw on the both sides of an independent flat brank all was moving jaw, the independent flat brank can be by becoming a regular jaw that mediates behind another moving jaw positioning and locking in the middle of it.

The independent flat brank of technique scheme can also be provided with like this: the more activity jaw is engaged on the pincers seat guide rail, become regular jaw after will being in two ends and middle moving jaw positioning and locking, the moving jaw that promotes other by the two-way push device moves towards regular jaw again, constitutes the identical clamp station of a plurality of processing conditions.The two-way push device can be to revolve screw mandrel about one.

On the clamp face of the regular jaw of technique scheme or moving jaw the step pad can also be installed, its effect is: some workpiece height are less, adding man-hour its bottom surface should not be placed on pincers seats guide rail end face and want clamp at jaw half waist, the levelness that needs measuring workpieces before this situation processing, behind the installation step pad, can make things convenient for workpiece place and processing before do not need the levelness of measuring workpieces.The concrete specification of step pad can be determined according to actual needs.

Beneficial effect of the present invention: because the building block system precision flatnosed pliers is mounted in one group of flat-nose pliers of a machine tool work top, described one group of flat-nose pliers comprises the independent flat brank that be arranged in parallel more than three or three, wherein each independent flat brank all has the moving jaw more than two or two, the thrust screw rod of fast moving mechanism cooperates with a moving jaw, so can have a plurality of clamp stations on the platen face, once can be on the platen face with a plurality of workpiece clampings, as piecing together building blocks that platen face row is full, make the best use of everything, operating efficiency not only can significantly improve like this, and can reduce the machine tool motion position and produce concentrated wear, improve lathe service life; Because the platen mask has more clamp station, so the relatively poor workpiece of rigidity can have it to process rigidity preferably, guarantee its machining accuracy by increasing its clamp point.In addition, the building block system precision flatnosed pliers can also be by installing the pincers piece or the briquetting of all size size, different shape on regular jaw and moving jaw, moving jaw can be used as regular jaw and uses, regular jaw can be used as measures such as moving jaw use, has universal type, omnibearing processing characteristic thereby the building block system precision flatnosed pliers is resembled piece together when the clamp workpiece the building blocks.

The invention will be further described below in conjunction with drawings and Examples.

Description of drawings

Fig. 1 is the schematic perspective view of an embodiment of the present invention.

Fig. 2 is the partial enlarged drawing of independent flat brank 1 among Fig. 1.

Fig. 3 is that the A-A of Fig. 2 analyses and observe the signal enlarged drawing.

Fig. 4 is that the B-B of Fig. 2 analyses and observe the signal enlarged drawing.

Fig. 5 is five kinds can and install the pincers piece signal enlarged drawing that screw is complementary with mounting groove among Fig. 1.

Fig. 6 is the schematic perspective view of the independent flat brank of the another kind of embodiment of the present invention.

Fig. 7 is the schematic perspective view of an independent flat brank of another variant embodiment of the present invention.

Independent flat brank 1 among Fig. 8 Fig. 1 is equipped with the schematic diagram of step pad.

Fig. 9 is the schematic diagram of the step pad separated from Fig. 8.

Among the figure: 1,2,3,4,5 and 6 independent flat branks; 7, pincers seat; 8, regular jaw; 9, pincers seat guide rail; 10,11 and 12, moving jaw; 13, fast moving mechanism; 14, tooth row; 15, nut seat; 16, thrust screw rod; 17, hypertonic device; 18, promote-side; 19, movable tooth piece; 20, bolt; 21, return spring; 22, tooth row; 23, location tooth row; 24, positioning tooth piece; 25, return spring; 26, bolt; 27, tooth row; 28 and 29, mounting groove; 30 and 31, screw is installed; 32; 33,34,35 and 36, pincers piece; 37, fast moving mechanism; 38, moving jaw; 39, independent flat brank; 40, fast moving mechanism; 41 and 42, moving jaw; 43,44,45,46,47,48 and 49, moving jaw; 50, pincers seat; 51, independent flat brank; 52 and 53, two-way push device; 54, platen face; 55,56,57,58,59 and 60, step pad; 61 and 62, permanent magnet.

The specific embodiment

With reference to Fig. 1～Fig. 5, the building block system precision flatnosed pliers that this big processing table top lathe is used, be mounted in one group of flat-nose pliers of a machine tool work top, feature is: described one group of flat-nose pliers comprises the independent flat brank 1 of six same structures that be arranged in parallel, 2,3,4,5,6, wherein independent flat brank 1 is by pincers seat 7, be fixed on the regular jaw 8 on the pincers seat 7, be slidingly fitted in three moving jaws 10 on the pincers

seat guide rail

9,11 and 12, the fast moving mechanism 13 that is installed on the pincers seat 7 constitutes, 9 liang of lateral surfaces of pincers seat guide rail are provided with tooth row 14 etc., fast moving mechanism 13 is by the nut seat 15 that is slidingly fitted on the pincers seat guide rail 9, the thrust screw rod 16 of threaded engagement on nut seat 15, be arranged at the hypertonic device 17 that cooperates with 9 liang of lateral surface tooth rows of pincers seat guide rail, 14 grades on nut seat 15 both sides and constitute, the promote-side 18 of thrust screw rod 16 cooperates with a moving jaw 10.

In addition, with reference to Fig. 3, hypertonic device 17 by the movable tooth piece 19 that is slidingly fitted in nut seat 15 sidepieces, threaded engagement do to promote the bolt 20 that cooperates at nut seat 15 sidepieces and with movable tooth piece 19, the return spring 21 that is engaged between nut seat 15 sidepieces and the movable tooth piece 19 constitutes, have tooth row 22 to block on the movable tooth piece 19 and join with pincers 9 liang of lateral surface tooth rows of guide rail 14.

With reference to Fig. 4, moving jaw 10 is provided with detent mechanism, detent mechanism by a location tooth row 23 that is in 9 liang of belows such as lateral surface tooth row 14 of pincers seats guide rail, be snug fit at moving jaw 10 sidepieces positioning tooth piece 24, be located at return spring 25 between moving jaw 11 sidepieces and the positioning tooth piece 24, be placed through moving jaw 11 and constitute with the bolt 26 of positioning tooth piece 24 threaded engagement, positioning tooth piece 24 by the tooth row on it 27 with locate tooth row 23 and cooperate.

With reference to Fig. 1, regular jaw 8 and moving

jaw

10,11,12 all are provided with

mounting groove

28,29 etc. and

screw

30,31 etc. are installed at its end face.With reference to Fig. 5,

pincers piece

32,33,34,35 or 36 etc. can utilize

mounting groove

28,29 etc. and

screw

30,31 etc. is installed is installed on regular jaw 8 and the moving

jaw

10,11,12.

With reference to Fig. 6, regular jaw can be made of an above-mentioned fast moving mechanism 37 and a moving jaw that is mated 38, can make the jaw structure on both sides of an independent flat brank 39 all the same like this, the jaw that can fix uses, also can do moving jaw uses.When the fast moving mechanism 37 on the both sides of independent flat brank 39 and the moving jaw 38 that cooperates, fast moving mechanism 40 and the moving jaw 41 that cooperates during all as moving jaw, independent flat brank 39 can be by becoming a regular jaw that mediates behind another moving jaw 42 positioning and lockings in the middle of it, to be applicable to certain processing request.

With reference to Fig. 7, this is an independent flat brank that is applicable to the variant embodiment of certain processing request, there are seven moving

jaws

43,44,45,46,47,48 and 49 to be engaged on the pincers seat 50 on it and become independent flat brank 51, become regular jaw behind moving jaw 46 positioning and lockings that wherein are in the moving

jaw

43,49 at two ends and mediate, the moving

jaw

44,45 and 47,48 that promotes other respectively by two two-

way push devices

52,53 moves towards

regular jaw

43,46 and 49 respectively again, constitutes the identical clamp station of a plurality of processing conditions.Two-

way push device

52 or 53 an all two respectively is provided with about the direction opposite threads and revolves screw mandrel, and two-

way push device

52 and 53 cooperates with screw on moving

jaw

44,45 and 47,48 respectively.

With reference to Fig. 8, this is the regular jaw 8 of an independent flat brank and the state that moving

jaw

10,11,12 is all installed

step pad

55,56,57,58,59,60.With reference to Fig. 9, step pad 57 is identical with step pad 55 structures with 59, and step pad 58 is identical with step pad 56 structures with 60, is equipped with

permanent magnet

61 and 62 on the

step pad

55 and 56,

step pad

55 or 56 1 is just sucked on jaw near jaw during installation.Certainly it is fastening also passable to adopt screw to connect, but bothers.

During clamping workpiece, Fig. 1 state just can be placed on a plurality of workpiece between regular jaw 8 grades and the moving jaw 12 etc., on a plurality of clamp stations of the pincers seat 7 between moving jaw 12 etc. and the moving jaw 11 etc., between moving jaw 11 etc. and the moving jaw 10 etc. etc.; When hypertonic device 17 grades of fast moving mechanism 13 grades are in Fig. 3 state, make it together with the slip of turning right fast of moving jaw 10 grades with hand propelled fast moving mechanism 13 grades, all contact with moving jaw 10 etc. to regular jaw 8 grades, moving jaw 12 etc., moving jaw 11 etc. with each self-corresponding workpiece; Tighten the bolt 20 of hypertonic device 17 grades etc., tooth row 22 grades on movable tooth piece 19 grades are engaged mutually with tooth row 14 grades of pincers seat guide rail 9 grades, at this moment fast moving mechanism 13 grades are fixed on pincers seat guide rail 9 grades, tighten thrust screw rod 16 grades with clamping of a plurality of workpiece on platen face 54, workpiece can be arranged full like this on platen face 54; After machining, loosen thrust screw rod 16 etc., with slips of turning left such as hand propelled moving

jaws

10,11,12, workpiece just can take off from pincers seat 5 grades successively.When needs are fixed on moving

jaw

10,11 or 12 on the pincers seat 5, can bolt on 26 etc., make and move on positioning tooth piece 24 grades and its tooth row 27 grades engage mutually with location tooth row 23 grades of pincers seats guide rail 9, at this

moment moving jaw

10,11 or 12 just is fixed on the pincers seat 7; During release bolt 26 grades, positioning tooth piece 24 grades move down under the effect of return spring 25, and the location tooth row 23 of its tooth row 27 grades and pincers seat guide rail 9 etc. are disconnected from each other, and moving

jaw

10,11 or 12 just can slip on pincers seat 7.Need be when regular jaw 8 and moving

jaw

10,11,12 end faces be installed the pincers piece,

pincers piece

32,33,34,35 or 36 etc. can be installed to mounting

groove

28,29 on regular jaw 8 and the moving

jaw

10,11,12 etc. and install on the

screw

30,31 etc.When needs at regular jaw 8 and moving

jaw

10,11, installation step pad 55 on 12,56,57,58,59,60 o'clock, with

step pad

55,56,57,58,59,60 near regular jaw 8 and moving

jaw

10,11,12 clamp face, at permanent magnet 61, under 62 effects such as grade,

step pad

55,56,57,58,59,60 just suck at regular jaw 8 and moving jaw 10 respectively, 11, on 12 the clamp face, at this moment, the bottom surface of highly less workpiece just can be placed on

step pad

55,56,57,58,59, on 60 the end face, because

step pad

55,56,57,58,59, the 60th, prefabricated normalization part is not so need the levelness of measuring workpieces before the workpiece processing placed thereon.

Claims

1, the building block system precision flatnosed pliers that a kind of big processing table top lathe is used, be mounted in one group of flat-nose pliers of a machine tool work top, it is characterized in that: described one group of flat-nose pliers comprises the independent flat brank that be arranged in parallel more than three or three, wherein each independent flat brank is by the pincers seat, be fixed on the regular jaw on the pincers seat, be slidingly fitted in the moving jaw more than two or two on the pincers seat guide rail, the fast moving mechanism that is installed on the pincers seat constitutes, described pincers seat guide rail two lateral surfaces are provided with tooth row, described fast moving mechanism is by the nut seat that is slidingly fitted on the pincers seat guide rail, the thrust screw rod of threaded engagement on nut seat, be arranged at the hypertonic device that cooperates with pincers seat guide rail two lateral surface tooth rows on the nut seat both sides and constitute, the promote-side of thrust screw rod cooperates with a moving jaw.

2, the building block system precision flatnosed pliers of using by the described big processing table top lathe of claim 1, it is characterized in that described hypertonic device by the movable tooth piece that is slidingly fitted in the nut seat sidepiece, threaded engagement do to promote the bolt that cooperates at the nut seat sidepiece and with movable tooth piece, the return spring that is engaged between nut seat sidepiece and the movable tooth piece constitutes, tooth row is arranged on the movable tooth piece and clamps guide rail two a lateral surface tooth row card and join.

3, the building block system precision flatnosed pliers of using by claim 1 or 2 described big processing table top lathes, it is characterized in that described moving jaw is provided with detent mechanism, detent mechanism by a location tooth row that is in pincers seats guide rail two lateral surface tooth rows below, be snug fit at the moving jaw sidepiece the positioning tooth piece, be located at return spring between moving jaw sidepiece and the positioning tooth piece, be placed through moving jaw and constitute with the bolt of positioning tooth piece threaded engagement, the tooth row on the positioning tooth piece with locate the tooth row card and join.

4, the building block system precision flatnosed pliers of using by claim 1 or 2 described big processing table top lathes is characterized in that described regular jaw or moving jaw, and its end face is provided with the mounting groove that pincers piece or briquetting are installed and screw is installed.

5, the building block system precision flatnosed pliers of using by claim 1 or 2 described big processing table top lathes is characterized in that described regular jaw is made of a described fast moving mechanism and a moving jaw that is mated.

6, the building block system precision flatnosed pliers of using by the described big processing table top lathe of claim 5 is characterized in that described independent flat brank becomes the regular jaw that mediates by a moving jaw positioning and locking in the middle of it.

7, the building block system precision flatnosed pliers of using by claim 1 or 2 described big processing table top lathes is characterized in that on the clamp face of described regular jaw or moving jaw the step pad being installed.

8, the building block system precision flatnosed pliers of using by the described big processing table top lathe of claim 7 is characterized in that described step pad is provided with the permanent magnet that sucks mutually with described jaw.