CN205703378U - A kind of connecting rod groove milling fixture - Google Patents

A kind of connecting rod groove milling fixture Download PDF

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Publication number
CN205703378U
CN205703378U CN201620680348.4U CN201620680348U CN205703378U CN 205703378 U CN205703378 U CN 205703378U CN 201620680348 U CN201620680348 U CN 201620680348U CN 205703378 U CN205703378 U CN 205703378U
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CN
China
Prior art keywords
connecting rod
pin
bottom board
clamp bottom
groove milling
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.)
Withdrawn - After Issue
Application number
CN201620680348.4U
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Chinese (zh)
Inventor
梁森
杨先锋
古恒
袁丽华
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Qingdao University of Technology
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Qingdao University of Technology
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Publication date
Application filed by Qingdao University of Technology filed Critical Qingdao University of Technology
Priority to CN201620680348.4U priority Critical patent/CN205703378U/en
Application granted granted Critical
Publication of CN205703378U publication Critical patent/CN205703378U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a kind of connecting rod groove milling fixture, this fixture includes clamp bottom board, clamp bottom board is fixed on milling machine table by securing member and feather key, have at least two chutes at clamp bottom board upper surface, be used for positioning linkage rod small end centre bore or the first pin of positioning linkage rod big end centre bore is removable in chute;For the second pin of positioning linkage rod big end centre bore or positioning linkage rod small end centre bore, this second pin is fixed on clamp bottom board;Position according to two (or a plurality of) chutes, multiple end slots of connecting rod end face are carried out groove milling, by the setting of chute and slide block by swivel link, make the distance between the first pin and the second pin adjustable, and then realize connecting rod fixing of different pitch-row, and and in the case of realizing connecting rod tip and small end exchange, also can groove milling, simultaneously, coordinate the setting of a plurality of chute, only need to move the position of a certain head of connecting rod, both can realize the groove milling of connecting rod other end end slot.

Description

A kind of connecting rod groove milling fixture
Technical field
The utility model belongs to jig Design technical field in machining, is specifically related to a kind of connecting rod groove milling fixture.
Background technology
Connecting rod is requisite important load bearing element in multi-bar linkage, is commonly used on reciprocating piston dynamic power machine or presses Contracting machine connects piston and crank, is that two ends are hinged with driving link and driven member for the purpose of transmission motion with power respectively Rod member.The connecting rod slotting attachment using at present is plane and two pits positioning, and the distance of straight pin and rhombus pin is definite value, and the two is several What size is also definite value, and this kind of fixture can only process two ends pitch-row and aperture is the connecting rod of definite value, for different pitch-rows and hole The connecting rod in footpath to separately design, to manufacture corresponding fixture, bothersome real genus inconvenience of taking a lot of work, and also extends the production cycle simultaneously, causes The wasting of resources;Meanwhile, such setting, is respectively equipped with the part of multiple end slot for connecting rod tip and small end, at a fixture On can not realize that connecting rod tip and small end carry out groove milling to change place, add manufacturing process and cost virtually.
Utility model content
For the problems referred to above, in order to solve the deficiencies in the prior art, the utility model provides on a kind of adjustable fixture the One pin sells relative position with second, and replaceable different the first pin and second is sold, and connecting rod tip and small end fixed position can A kind of connecting rod groove milling fixture of change, uses the method that the utility model provides, the end slot milling to connecting rod tip and small end Convenient, save operation, process quick.
A kind of connecting rod groove milling fixture, comprising:
Clamp bottom board, clamp bottom board is fixed on milling machine table by securing member and directional bond, at clamp bottom board upper surface Have at least two chutes, be used for positioning linkage rod small end centre bore or the first pin of positioning linkage rod big end centre bore can in chute Move and can fix;The angle that adjacent two chutes interval sets is arranged, and should arrange position according to end slot, arrange two cunnings Angle between groove;Can be fixed up in first pin suitable position in chute;
For the second pin of positioning linkage rod big end centre bore or positioning linkage rod small end centre bore, this second pin is fixed on fixture On base plate;
Clamping element, clamping element is fixed on clamp bottom board for connecting rod is pressed on clamp bottom board by securing member;
According to the position of two adjacent chutes, swivel link, milling is carried out to multiple end slots of connecting rod end face.
The connecting rod groove milling fixture that the utility model provides, the first pin is used for fixing the small end of connecting rod or holding greatly, and second Sell the big end for fixing connecting rod or small end, it is achieved connecting rod is big or small end end slot is processed, and first changes the step water chestnut of different size Shape pin and stepped cylindrical pin, then change the position of big end and small end, the processing of different pore size connecting rod can be realized;Additionally because of chute Arranging, can realizing the processing of different pitch-row connecting rod, this connecting rod groove milling fixture is applied widely, makes connecting rod milling slot on end face class fixture Processing there is certain flexibility.
Further, described first pin is step rhombus pin, changes various sizes of step rhombus pin for convenience, by this water chestnut The unified cylinder of shape and size is made in the latter half of shape pin, and rhombus pin forms Step Shaft with following column part, installs Step between them can not highlight the locating surface on base plate afterwards.
Further, described second pin is stepped cylindrical pin, changes various sizes of stepped cylindrical pin for convenience, by this circle The unified cylinder of shape and size is made in the latter half of pin, and straight pin forms Step Shaft with following column part, installs Step between them can not highlight the locating surface of base plate afterwards.
The step rhombus pin of described first pin and the stepped cylindrical pin of the second pin, the first pin sells respective lower half with second Divide and all make the unified cylinder of shape and size, in order to form unified cooperation with fixture and install;First pin is with the second pin each The specification of top half to determine according to the positioning hole of the big end on processed connecting rod and small end, different positioning holes is corresponding The step rhombus pin of different size and stepped cylindrical pin, by installing step rhombus pin and the stepped cylindrical of different size on fixture Pin, it is possible to achieve the tie rod holes of different large and small ends installs positioning, and then changes at connecting rod, and for different size of Tie rod holes, whole fixture is equally useful.
Further, described chute is T-shaped chute, and the size of bottom is more than the size on top, meanwhile, coordinates and is arranged on T Slide block in shape chute is similarly T-shaped, and the size of bottom is also greater than the size on top.
Further, described clamp bottom board is provided with the second perforate for fixing the second pin.
Further, being provided with slide block in described chute, slide block is arranged in chute by matched in clearance, and slide block is provided with For fixing the first perforate of the first pin;The first perforate and when arranging of the second perforate, the first perforate and the second perforate are best It is all the unified circular hole of size, facilitate and different size first is sold and the replacing of the second pin, meet fixture in the utility model Use require.
Further, the latter half of described first pin is that small-gap suture coordinates with the first perforate;Described equally the second pin The latter half is that small-gap suture coordinates with the second perforate.
Further, the longitudinal cross-section at described clamping element is L-shaped, and one end of clamping element is conformed with portion for connecting rod End provides the pressing force of vertical direction, and whole clamping element is fixed on clamp bottom board by securing member, sets on this securing member It is equipped with spring.
Further, described clamping element and clamp bottom board contact position, be provided with latch in clamping element end.
Further, the lower surface at clamp bottom board is provided for playing leading of guide-localization effect on milling machine table Xiang Jian, is provided with feeler block at clamp bottom board upper surface.
The using method of described a kind of connecting rod groove milling fixture, specifically comprises the following steps that
1) connecting rod tip end grooves processing:
Crank bore is arranged on the second pin;
Selling in the first chute being fixed in chute by wrist-pin end of connecting rod by first, clamping element fixes connecting rod, and milling machine is processed Part end slot on connecting rod tip front;
Unclamping clamping element, connecting rod rotating to the second chute in chute, clamping element fixes connecting rod, and milling machine processing connecting rod is big Rectify the part end slot on face;
Connecting rod is arranged in turn, uses the end slot on said method processing connecting rod tip reverse side;
2) wrist-pin end of connecting rod end grooves processing:
Exchange the position of connecting rod tip and small end, change the first pin and second pin of different size, position with the second pin The small end of connecting rod, the first pin carrys out the big end of positioning linkage rod, and clamping element fixes connecting rod, the part on milling machine processing wrist-pin end of connecting rod front End slot;
Unclamping clamping element, rotating to connecting rod in the second chute in chute, clamping element fixes connecting rod, and connecting rod processed by milling machine Part end slot on small end front;
Connecting rod is arranged in turn, uses the end slot on said method processing wrist-pin end of connecting rod reverse side.
The beneficial effects of the utility model are:
1) setting of chute and slide block is passed through so that the distance between the first pin and the second pin is adjustable, and then realizes difference The connecting rod of pitch-row fixing, and in the case of realizing connecting rod tip and small end exchange, also can groove milling, meanwhile, coordinate a plurality of cunning The setting of groove, only need to move the position of a certain head of connecting rod, both can realize the groove milling of connecting rod other end end slot.
2) because of the setting of the first perforate and the second perforate, facilitate different size first and sell and the second setting sold, and then The position exchange of connecting rod tip and wrist-pin end of connecting rod can be realized, save process time further.
3) difference according to connecting rod tip and small end hole size, by the first pin is arranged to different size with the second pin, Achieve in the case that connecting rod changes over, and the connecting rod for different large and small stomidiums, whole fixture equally makes With having expanded the range of fixture.
Brief description
Fig. 1 is a kind of connecting rod milling slot on end face class flexible fixture front view;
Fig. 2 is a kind of connecting rod milling slot on end face class flexible fixture top view;
Fig. 3 is A-A face sectional view in Fig. 2;
Fig. 4 is a kind of connecting rod milling slot on end face class flexible fixture left view;
Fig. 5 is the stereogram of clamp bottom board;
Fig. 6 is slide block half sectional view;
Fig. 7 is slide block top view;
Fig. 8 is the schematic diagram of connecting rod;
Fig. 9 is B-B face sectional view in Fig. 8.
Wherein: the 1st, clamp bottom board, the 2nd, plain washer A, the 3rd, nut A, the 4th, fix bolt, the 5th, workpiece, the 6th, stepped cylindrical pin, the 7th, press from both sides Tight part, the 8th, plain washer B, the 9th, nut B, the 10th, bolt, the 11st, feeler block, the 12nd, alignment pin, the 13rd, sunk screw, the 14th, step rhombus pin, 15th, slide block, the 16th, latch, the 17th, directional bond.
Detailed description of the invention
The utility model will be further described to arrive Fig. 9 and specific embodiment below in conjunction with Figure of description 1:
Connecting rod groove milling fixture in the utility model, it is different with aperture by the positioning mode clamping pitch-row of plane and two pits Connecting rod, carry out Xiyanping injection.Main realize including work piece connecting rod positioning function, clamping function, to cutter function, can move The guiding of movable slider function and clamp body fixes function, is just illustrated respectively below.
The positioning function of work piece connecting rod is to realize by fixture setting element, mainly to the free degree in fixture for the workpiece Enter row constraint to limit, make workpiece meet the requirement on machining accuracy of this procedure.The workpiece of processing in the application uses plane and two pits Positioning mode secure the workpiece against on fixture.Workpiece 5 is placed on the locating surface of clamp bottom board 1 with end face, of workpiece 5 Hole is arranged on stepped cylindrical pin 6, and stepped cylindrical pin 6 the latter half is that small-gap suture coordinates (H7/h6) with the second perforate on base plate Installing, another hole of workpiece 5 is arranged on step rhombus pin 14, and on step rhombus pin 14 the latter half and slide block 15, second opens Hole (circular hole) is that small-gap suture coordinates (H7/h6) to install, and slide block 15 is arranged on the T-shaped of clamp bottom board 2 by matched in clearance (H7/f6) In chute, the size of T-shaped chute bottom is more than the size on top, and meanwhile, slide block 15 is similarly T-shaped, and concrete structure is at Fig. 6 and Tu Shown in 7,6 frees degree to workpiece for the so overall fixture enter row constraint, it is achieved position completely.
The clamping function of work piece connecting rod is mainly by clamping element 7, by plain washer B8, nut B9 and bolt 10 by workpiece The compression of 5, concrete structure is as shown in Figures 3 and 4.For preventing clamping element 7 from rotating in process, at the one of clamping element 7 Side is mounted with latch 16.Folder is provided with positioning and clamping function, and the work piece connecting rod being arranged on fixture is achieved that dress Folder.
Determine that the relative position of milling cutter clamping connecting rod relative in fixture, concrete structure such as Fig. 1, figure to cutter function 2nd, Fig. 3 and Fig. 4 has expression, and feeler block 11 is fixed on clamp bottom board 1 by alignment pin 12 and sunk screw 13, it is ensured that milling cutter And the tram relation being milled on connecting rod between groove.
As shown in Figure 2 and Figure 5, a hole of workpiece 5 is arranged on step rhombus pin 14 removable slide block function, rhombus pin The lower part of 14 is arranged in the first perforate of slide block 15 in the way of small-gap suture coordinates (H7/h6), between slide block 15 and T-shaped chute Gap coordinates (H7/f6) to be arranged in the T-shaped chute of clamp bottom board 1, it is possible to do linear slide along T-shaped chute, sliding in T-shaped chute The position of block 15 can directly adjust by hand, it is also possible to screw-driven, by slide block 15 in T-shaped for the rotation motion of screw rod chute Linear motion adjust, when there being two chutes, the angle of the two can be 90 °, certainly will according to work pieces process require to this Angle is adjusted.
When the workpiece of the different pitch-row of processing, only need slide block 15 to slide in T-shaped chute suitable distance, make straight pin 6 He Distance between rhombus pin 14 is equal to the pitch-row of workpiece, and workpiece 5 can be made to position smoothly;When processing the workpiece 5 of different pore size, Only need to change different size stepped cylindrical pin 6 and step rhombus pin 14, it is achieved the connecting rod in different size stomidium footpath and stepped cylindrical Pin 6 and step rhombus pin 14 coordinate to be installed;Certainly the machining functions of the connecting rod milling slot on end face in different pitch-row and aperture can also be realized, Workpiece can be made to be arranged on smoothly and to have on certain flexible fixture, it is achieved adding of the connecting rod milling slot on end face of a collection of different size Work technique.
The guiding of clamp body fixes function as it is shown in figure 1, fixture passes through feather key 17 guide-localization on milling machine table, Clamp bottom board both sides are provided with U-lag, and pass through plain washer A2, nut A3 and T-slot bolt 4 and U-lag and milling machine table Connect.
Described a kind of connecting rod milling slot on end face class flexible fixture, installs during use at milling Machining of Connecting Rod two ends in eight times Totally 16 grooves, big end and each 8 of small end, as shown in Figure 8 and Figure 9, during processing, face on the basis of one side bottom connecting rod, such as Fig. 9 Shown in, first process big end slot, fixture has two installation sites, in primary importance, first process 2 grooves on front, then unclamp Workpiece is rotated in the second place by pressure strip, compresses pressure strip, and another 2 grooves on reprocessing the same face, then again with doing equally 4 grooves on the method processing connecting rod tip back side;Then connecting rod is turned around process little end slot, change step straight pin and step rhombus pin Specification, notes to improve machining accuracy, and it is fixed that its corresponding aperture of that one end of Machining of Connecting Rod groove must be installed by stepped cylindrical pin Position, its corresponding aperture of the connecting rod other end must install positioning with step rhombus pin, after clamping less with the processing of above-mentioned same manner Totally 8 grooves on end two sides.
Specifically, the using method of a kind of connecting rod groove milling flexible fixture, specifically comprises the following steps that
1) connecting rod one end head channel processing:
Connecting rod one end head is fixed on clamp bottom board by stepped cylindrical pin, and connecting rod other end head is passed through step water chestnut Shape pin is fixed in the circular hole in the T-shaped slide block in the first chute, and by clamping plate clamp linkage, connecting rod one termination processed by milling machine Part end slot on the front in portion;
Unclamping clamping plate, connecting rod rotating to the position of the second chute, connecting rod other end head is solid by step rhombus pin Being scheduled in the circular hole in the T-shaped slide block in the second chute, clamping plate fixes connecting rod, on the front of milling machine processing connecting rod one end head Another part end slot;
Connecting rod is arranged in turn, uses the end slot on said method processing this end head reverse side of connecting rod;
2) connecting rod other end head channel processing:
Change step rhombus pin and the stepped cylindrical pin of different size, make new step rhombus pin carry out positioning linkage rod Machined that one end of end slot, new stepped cylindrical pin comes another termination unprocessed of positioning linkage rod, and clamping plate fixes connecting rod, Part end slot in milling machine processing connecting rod other end head front;
Unclamping clamping plate, connecting rod rotating to the second chute in chute, clamping plate fixes connecting rod, and milling machine processing connecting rod is another Another part end slot in the head front of one end;
Connecting rod is arranged in turn, uses the residue end slot on said method processing connecting rod other end head reverse side.
The foregoing is only preferred embodiment of the present utility model, be not whole embodiment of the present utility model, Not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of being made, equivalent, Improve, should be included within protection domain of the present utility model.
In addition to technical characteristic described in specification, remaining technical characteristic is all known to a person skilled in the art technology, in order to dash forward Going out innovative characteristics of the present utility model, above-mentioned technical characteristic does not repeats them here.

Claims (9)

1. a connecting rod groove milling fixture, it is characterised in that include:
Clamp bottom board, clamp bottom board is fixed on milling machine table by securing member and directional bond, opens at clamp bottom board upper surface Have at least two chutes, be used for positioning linkage rod small end centre bore or the first pin of positioning linkage rod big end centre bore can move in chute Move and can fix;
For the second pin of positioning linkage rod big end centre bore or positioning linkage rod small end centre bore, this second pin is fixed on clamp bottom board On;
Clamping element, clamping element is fixed on clamp bottom board for connecting rod is pressed on clamp bottom board by securing member;
According to the position of adjacent two chutes, swivel link, groove milling is carried out to multiple end slots of connecting rod end face.
2. a kind of connecting rod groove milling fixture according to claim 1, it is characterised in that described first pin is step rhombus Pin, described second pin is stepped cylindrical pin, and it is unified that shape and size are all made in the first pin and the second respective the latter half of pin Cylinder, in order to form unified cooperation with fixture and install;First pin will be according to quilt with the second specification selling respective top half The positioning hole of the big end on processing connecting rod and small end determines, the step rhombus pin of the different corresponding different sizes in positioning hole and platform Rank straight pin, by installing step rhombus pin and the stepped cylindrical pin of different size, it is possible to achieve different large and small ends on fixture Tie rod holes installs positioning, and then changes at connecting rod, and for different size of tie rod holes, whole fixture equally makes With.
3. a kind of connecting rod groove milling fixture according to claim 1, it is characterised in that described chute is T-shaped chute, bottom Size more than the size on top.
4. a kind of connecting rod groove milling fixture according to claim 1, it is characterised in that be provided with use on described clamp bottom board In the second perforate fixing the second pin.
5. a kind of connecting rod groove milling fixture according to claim 2, it is characterised in that be provided with slide block in described chute, Slide block is arranged in chute by matched in clearance, and slide block is provided with the first perforate for fixing the first pin.
6. a kind of connecting rod groove milling fixture according to claim 5, it is characterised in that the latter half of described first pin with First perforate is that small-gap suture coordinates.
7. a kind of connecting rod groove milling fixture according to claim 1, it is characterised in that in the longitudinal cross-section of described clamping element L-shaped, one end of clamping element be conformed with portion for interlinking lever end provide vertical direction pressing force, whole clamping element passes through Securing member is fixed on clamp bottom board, is provided with spring on this securing member.
8. a kind of connecting rod groove milling fixture according to claim 7, it is characterised in that described clamping element and clamp bottom board connect Synapsis is provided with latch in clamping element end.
9. a kind of connecting rod groove milling fixture according to claim 1, it is characterised in that the lower surface at clamp bottom board is arranged It for playing the feather key of guide-localization effect on milling machine table, is provided with feeler block at clamp bottom board upper surface.
CN201620680348.4U 2016-06-30 2016-06-30 A kind of connecting rod groove milling fixture Withdrawn - After Issue CN205703378U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620680348.4U CN205703378U (en) 2016-06-30 2016-06-30 A kind of connecting rod groove milling fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620680348.4U CN205703378U (en) 2016-06-30 2016-06-30 A kind of connecting rod groove milling fixture

Publications (1)

Publication Number Publication Date
CN205703378U true CN205703378U (en) 2016-11-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620680348.4U Withdrawn - After Issue CN205703378U (en) 2016-06-30 2016-06-30 A kind of connecting rod groove milling fixture

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105904254A (en) * 2016-06-30 2016-08-31 青岛理工大学 Clamp for milling grooves in connection rods and use method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105904254A (en) * 2016-06-30 2016-08-31 青岛理工大学 Clamp for milling grooves in connection rods and use method thereof
CN105904254B (en) * 2016-06-30 2017-09-29 青岛理工大学 A kind of connecting rod groove milling fixture and its application method

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GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20161123

Effective date of abandoning: 20170929