CN204471037U - A kind of crank keyseat frock - Google Patents
A kind of crank keyseat frock Download PDFInfo
- Publication number
- CN204471037U CN204471037U CN201520024880.6U CN201520024880U CN204471037U CN 204471037 U CN204471037 U CN 204471037U CN 201520024880 U CN201520024880 U CN 201520024880U CN 204471037 U CN204471037 U CN 204471037U
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- crank
- rolling center
- tablet
- keyseat
- push rod
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Abstract
The utility model discloses a kind of crank keyseat frock, be arranged on milling machine, for crank, comprise workbench, alignment pin for matching with the pin-and-hole of described crank, and the first rolling center for matching with the centre bore of described crank one end, also comprise the second rolling center for matching with the centre bore of the described crank other end, tablet, push rod and the primary importance sensor for detecting described tablet position; Described tablet can vertically be arranged on described workbench rotatably, and described push rod one end is built in described second rolling center, and the other end is connected with the surface of described tablet, and described primary importance sensor is connected with control centre's circuit of described milling machine.Crank keyseat frock disclosed in the utility model, locate by the cooperation of alignment pin, the first rolling center and the second rolling center and clamp crank, detect crank position by tablet, push rod with coordinating of primary importance sensor again, operate follow-up flow process by machine automatization.
Description
Technical field
The utility model relates to machine-building and technology field, particularly a kind of crank keyseat frock.
Background technology
Along with the development of Chinese mechanical industry, auto manufacturing is also greatly developed as pillar industry wherein.
The system that automobile comprises and assembly of a great variety, such as " two great institutions " and " five big systems ", for the toggle in " two great institutions ".Toggle is that engine realizes working cycles, completes the main movement part of power conversion.And in order to ensure the annexation of crank and correlated parts, generally need to mill out keyway on crank.
Please refer to Fig. 1, Fig. 1 is the scheme of installation of crank keyseat in prior art.
In the prior art, keyseat frock generally by alignment pin and stationary center fixed crank, and controls the clamping of rolling center (tail centre) by cylinder and unclamps action.Installation process is generally, first artificial by the centre bore of crank left end and pin-and-hole respectively with stationary center and detent fit, then hold up flat by crank right-hand member, control cylinder promotes rolling center clamping crank, again milling machine milling step switch is opened, carry out keyseat operation.After process finishing, then control cylinder makes rolling center withdraw from the centre bore of crank right-hand member, is taken off by workpiece.
But, because in the keyseat operation of crank in prior art, part requirements of process helps workpiece manually, add labour intensity and the difficulty of workman; Simultaneously due to the inexactness of handwork, cause product quality lower, production efficiency is lower.In addition, when controlling rolling center owing to using cylinder in prior art, cylinder action is very fast, if the incomplete righting movable top pinnacle of workpiece then can produce impression to workpiece tail end, damages centre bore, brings hidden danger to quality.
Utility model content
The purpose of this utility model is to provide a kind of crank keyseat frock, can trade union college well after automatically carry out keyseat operation, reduce labor strength, improve production efficiency and product quality.
For solving the problems of the technologies described above, the utility model provides a kind of crank keyseat frock, be arranged on milling machine, for crank, comprise workbench, alignment pin for matching with the pin-and-hole of described crank, and the first rolling center for matching with the centre bore of described crank one end, also comprise the second rolling center for matching with the centre bore of the described crank other end, tablet, push rod and the primary importance sensor for detecting described tablet position; Described tablet can vertically be arranged on described workbench rotatably, and described push rod one end is built in described second rolling center, and the other end is connected with the surface of described tablet, and described primary importance sensor is connected with control centre's circuit of described milling machine.
Preferably, described push rod is connected with the surface of described tablet is vertical.
Preferably, be provided with elastic component in described second rolling center, described elastic component one end is connected with bottom the inwall of described second rolling center, and the telescopic direction of described elastic component is parallel to the direction of motion of described second rolling center.
Preferably, described elastic component is spring, and described ring spring is arranged around the outer wall of described push rod.
Preferably, described workbench is provided with oil cylinder, the output shaft of described oil cylinder is connected with the afterbody of described first rolling center, and the output shaft telescopic direction of described oil cylinder is identical with the direction of motion of described first rolling center.
Preferably, described workbench is also provided with for the vee-block to described crank pre-determined bit.
Preferably, described vee-block is provided with the second place sensor for detecting described crank position, and described second place sensor is connected with control centre's circuit of described oil cylinder.
Preferably, the outer wall of described first rolling center and described second rolling center is all enclosed with the fairlead for guided-moving direction.
Crank keyseat frock provided by the utility model, for installing clamping crank, is generally arranged on milling machine, mainly comprises workbench, alignment pin, the first rolling center, the second rolling center, tablet, push rod and primary importance sensor.Alignment pin is for matching with the pin-and-hole on crank, first rolling center for on crank wherein the centre bore of one end (being generally right-hand member) match, and the second rolling center is for matching with the centre bore of the other end on crank (being generally left end).So by the acting in conjunction of alignment pin, the first rolling center and the second rolling center, crank can be fixed in frock.Tablet is arranged on the table, and is vertically to arrange rotatably on the table, and push rod one end is built in the second rolling center, and the other end is connected with the surface of tablet.So, when the second rolling center motion, drive push rod motion, thus promotion tablet makes it vertically rotate.In addition, be also provided with primary importance sensor on the table, it is for detecting the positional information of tablet, and is connected with control centre's circuit of milling machine.Therefore, crank keyseat frock provided by the utility model, in use, first needs crank to locate, by the pin-and-hole of crank and the detent fit of frock, is coordinated respectively by left and right centre bore with the first rolling center and the second rolling center.After assembling, make the first rolling center motion, thus clamping crank.And being subject to the pressure of the first rolling center, the other end and second rolling center of crank also compress mutually, thus promote the second rolling center motion.Because the second rolling center is built-in with push rod, therefore when the second rolling center motion, push rod is also synchronized with the movement.The other end of push rod is connected with the surface of tablet simultaneously, and therefore push rod just promotes tablet motion, and tablet then starts vertical rotary motion.This motion in real time catch by primary importance sensor, then information is sent to the control centre of milling machine, determines according to the change in location information of tablet the opportunity starting keyseat.In sum, crank keyseat frock provided by the utility model, clamping and positioning crank is carried out by alignment pin, the first rolling center and the second rolling center, again by the cooperation of tablet, push rod and primary importance sensor, the position detecting tablet in real time judges that milling machine starts the opportunity of keyseat.Because operator is after installing crank and frock, just can pay close attention to follow-up flow process, and carry out follow-up flow process according to the information of sensor by milling machine control centre, because this reducing labour intensity and the difficulty of workman; Replaced the part handwork of workman by observing and controlling element, compared with prior art, product quality is higher, and production efficiency significantly promotes simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the scheme of installation of crank keyseat in prior art;
Fig. 2 is the overall structure schematic diagram of the first detailed description of the invention provided by the utility model;
Fig. 3 is the overall structure schematic diagram of the second detailed description of the invention provided by the utility model;
Fig. 4 is the overall structure top view of the second detailed description of the invention provided by the utility model.
Wherein, in Fig. 2:
Workbench-1, alignment pin-2, the first rolling center-3, the second rolling center-4, tablet-5, push rod-6, primary importance sensor-7, elastic component-8, fairlead-12.
In Fig. 3-Fig. 4:
Oil cylinder-9, vee-block-10, second place sensor-11.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 2, Fig. 2 is the overall structure schematic diagram of the first detailed description of the invention provided by the utility model.
In the first detailed description of the invention provided by the utility model, crank keyseat frock is used for installing and clamping crank, generally be arranged on milling machine, mainly comprise workbench 1, alignment pin 2, first rolling center 3, second rolling center 4, tablet 5, push rod 6 and primary importance sensor 7.
Wherein, workbench 1 is the carrying main body of crank keyseat frock, is mainly used in installing and carrying all the other parts.Because crank keyseat frock entirety is generally arranged on milling machine, therefore workbench 1 is generally arranged on the working face of milling machine.
Workpiece adds man-hour on various lathe, and first necessary clamping and positioning, it is no exception that crank adds man-hour on milling machine, therefore there is a set of mechanism of playing clamping and positioning effect in crank keyseat frock, i.e. alignment pin 2, first rolling center 3 and the second rolling center 4.Wherein, alignment pin 2 is identical with prior art, and it is for coordinating with the pin-and-hole on crank, plays local positioning and fixation.First rolling center 3 is also identical with in prior art, its for on crank wherein the centre bore of one end (being generally right-hand member) coordinate, because the first rolling center 3 is moveable, therefore promote the first rolling center 3 and it can be made to clamp crank.Unlike, the second rolling center 4 is also moveable parts, and itself and the first rolling center 3 are oppositely arranged, and can coordinate with the centre bore of the crank other end (being generally left end), clamping crank.So, under the acting in conjunction of the first rolling center 3 and the second rolling center 4, crank, after coordinating with alignment pin 2, can be clamped and locate, and after this just can proceed follow-up flow process, such as operates milling machine keyseat etc.
In addition, in order to the automation making crank keyseat frock realize milling machine keyseat, the utility model is provided with another set of mechanism on workbench 1, comprises the second rolling center 4, tablet 5, push rod 6 and primary importance sensor 7.Wherein, the setting position of tablet 5 on workbench 1 is generally the tail end of the second rolling center 4 (tip is head end), and tablet 5 can vertically be arranged on workbench 1 rotatably, such as tablet 5 can pass through a vertical axes, when being subject to thrust or pulling force, just rotate around this vertical axes.Push rod 6 is then the parts in order to coordinate tablet 5, and it is not connected with workbench 1, is generally arranged on above workbench 1, and between tablet 5 and the second rolling center 4.One end of push rod 6 is built in the second rolling center 4, and the other end is then connected with the surface of tablet 5.Certainly, in order to ensure to rotate, push rod 6 can not be connected with the vertical rotating shaft of tablet 5 just.Herein preferably, push rod 6 is perpendicular to the surface of tablet 5, and such push rod 6 is when promoting tablet 5, and stressed effect is best.Certain push rod 6 also can be not orthogonal to the surface of tablet 5, and the surface of itself and tablet 5 is feasible too at an angle.
In addition also have most important parts---primary importance sensor 7, it is arranged on workbench 1, mainly for detection of the change in location of tablet 5.Primary importance sensor 7 is connected with control centre's circuit of milling machine, the positional information of the tablet 5 detected by primary importance sensor 7 like this just can pass to the control centre of milling machine in real time, the shift length of push rod 6 can be judged according to the change in location (such as the anglec of rotation etc.) of tablet 5, and then judge the shift length of the second rolling center 4, also be just aware of the installation site of crank simultaneously, whether clamp, and milling machine control centre just can assign beginning keyseat accordingly or stop the operations such as keyseat, realizes the function of the automatic keyseat of milling machine.
In addition, after the keyseat operation that milling machine completes crank, primary importance sensor 7 can detect that the position of tablet 5 has revert to initial position, after its this signal sends to milling machine control centre, control centre can also control the annexes such as the manipulator of milling machine according to this information, taken off by the workpiece machined of keeping in the center.
In sum, the crank keyseat frock that the present embodiment provides, when assembling crank, first the pin-and-hole on crank is coordinated with alignment pin 2, the centre bore of crank one end (being generally left end) is alignd with the second rolling center 4 simultaneously, then the first rolling center 3 is operated, first rolling center 3 is moved, until the first rolling center 3 closely cooperates with the centre bore of the crank other end (being generally right-hand member), now the first rolling center 3 and the second rolling center 4 coordinate with each self-corresponding centre bore all simultaneously, and crank completes location and clamping.Period, owing to being subject to the thrust of the first rolling center 3, crank and the second rolling center 4 all move toward thrust direction.And the second rolling center 4 is when moving, drive inner push rod 6 synchronizing moving, push rod 6 promotes tablet 5 simultaneously and vertically rotates, primary importance sensor 7 captures the change in location information of tablet 5, and this signal is sent to the control centre of milling machine, milling machine control centre judges the rigging position of crank according to this signal, controls milling machine and carries out keyseat operation.After being clamped due to crank and locating, operator just can help workpiece again, but carry out subsequent operation by milling machine control centre, information according to sensor carries out operation automatically, therefore crank keyseat frock provided by the utility model reduces labour intensity and the difficulty of workman, and because process portion is completed by machine automatization, improve operation accuracy and product quality to a certain extent, significantly improve production efficiency.
In addition, in order to make the motion of the first rolling center 3 and the second rolling center 4 smooth-going, the present embodiment has wrapped up one deck fairlead 12 on the outer wall of the first rolling center 3 and the second rolling center 4.This fairlead 12 is around the first rolling center 3 and the second rolling center 4, and inner wall smooth, making the first rolling center 3 and the second rolling center 4 when being subject to thrust or pulling force, can successfully move along the axial direction of fairlead 12.Certainly, the axial direction of fairlead 12 is general parallel with operative orientation during milling machine keyseat.
Further, in order to make crank keyseater harness have self-return function, the present embodiment is provided with elastic component 8 in the second rolling center 4.This elastic component 8 one end is connected with bottom the inwall of the second rolling center 4, and the other end suspends or is connected with the inwall top of the second rolling center 4, and the telescopic direction of elastic component 8 is parallel to the direction of motion of the second rolling center 4.So, the second rolling center 4, when promoting push rod 6 and moving, is also subject to the elastic force effect of elastic component 8 simultaneously, and is compressed by elastic component 8; And after crank keyseat machines, recall the first rolling center 3, now because crank no longer clamps, therefore elastic component 8 is under the effect of elastic potential energy, instead push away the second rolling center 4, make the second rolling center 4 be returned to original state, wait for crank keyseat operation next time.So, by setting up elastic component 8 in the second rolling center 4, crank keyseat frock can be made to realize auto-reset function.Herein preferably, elastic component 8 is common spring.In addition, consider that one end of push rod 6 is also arranged in the second rolling center 4, therefore in order to the optimization of structure, this ring spring is arranged around the outer wall of push rod 6.Certainly, the form of elastic component 8 is a lot, and be not limited in spring structure, all the other such as elastic rods etc. can adopt too.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is the overall structure schematic diagram of the second detailed description of the invention provided by the utility model; Fig. 4 is the overall structure top view of the second detailed description of the invention provided by the utility model.
The second detailed description of the invention provided by the utility model, the basis of the first detailed description of the invention is improved, is specially: set up oil cylinder 9, vee-block 10 and second place sensor 11 on the table.The remainder of the crank keyseat frock that the present embodiment provides is identical with foregoing teachings, repeats no more herein.
In the second detailed description of the invention provided by the utility model, consider in prior art when using cylinder to control the first rolling center 3, cylinder action is very fast, if incomplete righting first rolling center 3 top of workpiece then can produce impression to workpiece tail end, damage centre bore, bring hidden danger to quality safety.For this reason, the present embodiment is provided with oil cylinder 9 on workbench 1, and the output shaft of this oil cylinder 9 is connected with the afterbody of the first rolling center 3, and the telescopic direction of this output shaft is identical with the direction of motion of the first rolling center 3.Because the action of oil cylinder 9 clamping work pieces is gentleer relative to cylinder, therefore automatically can realize the object that the first rolling center 3 aligns crank center hole in slow clamping process, avoid producing impression at workpiece tail end, damage centre bore.
Further, in order to realize the pre-determined bit function of crank keyseat frock, the present embodiment is also provided with vee-block 10 on workbench 1.This vee-block 10 is positioning fixtures conventional in a kind of engineering, and in the present embodiment for carrying out pre-determined bit to crank, be arranged on after on vee-block 10 by crank, the predeterminated position of crank just can reach requirement.Setting like this, when operating crank keyseat frock, only crank need be arranged on vee-block 10, vee-block 10 locates crank automatically, does not need operator manually to help crank, manipulates the first rolling center 3 directly and clamps.Compared in prior art, after crank and alignment pin 2 and stationary center assemble by operator, also need crank one end to hold up flat, in the present embodiment, crank is arranged on after on vee-block 10 by operator, just can direct control first rolling center 3, crank is clamped.Clamp in crank process at the first rolling center 3, operator also estimates without the need to manual support crank and aligns, and because this reducing the labour intensity of workman, improves production efficiency.
And in order to coordinate therewith, the present embodiment is also provided with second place sensor 11 on vee-block 10.This second place sensor 11 is identical with the operation principle of primary importance sensor 7, but herein second place sensor 11 for detecting workpiece to be processed, i.e. the positional information of crank.And second place sensor 11 is connected with control centre's circuit of oil cylinder 9, so, the crank position information detected in real time just can be sent to the control centre of oil cylinder 9 by second place sensor 11, and then controls the flexible of oil cylinder 9 according to this information.Setting like this, after crank and vee-block 10 assemble by operator, second place sensor 11 just detects the change in location (such as arrive and preset station) of crank immediately, then this signal is just sent to the control centre of oil cylinder 9 by second place sensor 11, and finally this control centre stretches out with regard to the output shaft controlling oil cylinder 9.Because the output shaft of oil cylinder 9 is connected with the tail end of the first rolling center 3, therefore, when the output shaft of oil cylinder 9 stretches out, the first rolling center 3 just moves forward, clamps crank gradually.And flow process is afterwards identical with aforementioned related content, repeat no more herein.
In sum, the crank keyseat frock that the present embodiment provides, workpiece is avoided to produce impression and damage by the effect of oil cylinder 9, and on this basis, set up vee-block 10 pairs of cranks and carry out pre-determined bit, then by setting up second place sensor 11 on vee-block 10, after crank installs, automatically detect its position signalling, make oil cylinder 9 auto-extending, final clamping work pieces.Therefore, the crank keyseat frock that the present embodiment provides, on the basis of the first detailed description of the invention, improves mechanical automation utilization rate, reduce further the labour intensity of workman, improve production efficiency.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a crank keyseat frock, be arranged on milling machine, for crank, comprise workbench (1), alignment pin (2) for matching with the pin-and-hole of described crank, and the first rolling center (3) for matching with the centre bore of described crank one end, it is characterized in that, also comprising the second rolling center (4) for matching with the centre bore of the described crank other end, tablet (5), push rod (6) and the primary importance sensor (7) for detecting described tablet (5) position; Described tablet (5) can vertically be arranged on described workbench (1) rotatably, described push rod (6) one end is built in described second rolling center (4), the other end is connected with the surface of described tablet (5), and described primary importance sensor (7) is connected with control centre's circuit of described milling machine.
2. crank keyseat frock according to claim 1, is characterized in that, described push rod (6) is connected with the surface of described tablet (5) is vertical.
3. crank keyseat frock according to claim 1, it is characterized in that, elastic component (8) is provided with in described second rolling center (4), described elastic component (8) one end is connected with bottom the inwall of described second rolling center (4), and the telescopic direction of described elastic component (8) is parallel to the direction of motion of described second rolling center (4).
4. crank keyseat frock according to claim 3, is characterized in that, described elastic component (8) is spring, and described ring spring is arranged around the outer wall of described push rod (6).
5. crank keyseat frock according to claim 1, it is characterized in that, described workbench (1) is provided with oil cylinder (9), the output shaft of described oil cylinder (9) is connected with the afterbody of described first rolling center (3), and the output shaft telescopic direction of described oil cylinder (9) is identical with the direction of motion of described first rolling center (3).
6. crank keyseat frock according to claim 5, is characterized in that, described workbench (1) is also provided with for the vee-block (10) to described crank pre-determined bit.
7. crank keyseat frock according to claim 6, it is characterized in that, described vee-block (10) is provided with the second place sensor (11) for detecting described crank position, and described second place sensor (11) is connected with control centre's circuit of described oil cylinder (9).
8. crank keyseat frock according to claim 1, is characterized in that, the outer wall of described first rolling center (3) and described second rolling center (4) is all enclosed with the fairlead (12) for guided-moving direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520024880.6U CN204471037U (en) | 2015-01-14 | 2015-01-14 | A kind of crank keyseat frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520024880.6U CN204471037U (en) | 2015-01-14 | 2015-01-14 | A kind of crank keyseat frock |
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| Publication Number | Publication Date |
|---|---|
| CN204471037U true CN204471037U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520024880.6U Active CN204471037U (en) | 2015-01-14 | 2015-01-14 | A kind of crank keyseat frock |
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| CN (1) | CN204471037U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493595A (en) * | 2015-01-14 | 2015-04-08 | 青岛德盛机械制造有限公司 | Crank keyseat working fixture |
| CN105537630A (en) * | 2015-09-29 | 2016-05-04 | 张义勇 | Processing method for shafts for machine tool |
-
2015
- 2015-01-14 CN CN201520024880.6U patent/CN204471037U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493595A (en) * | 2015-01-14 | 2015-04-08 | 青岛德盛机械制造有限公司 | Crank keyseat working fixture |
| CN105537630A (en) * | 2015-09-29 | 2016-05-04 | 张义勇 | Processing method for shafts for machine tool |
| CN105537630B (en) * | 2015-09-29 | 2018-08-07 | 南京汽轮电机集团电站配件制造有限公司 | A kind of lathe axis class processing method |
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