CN105458669A - Assembly tool for camshaft - Google Patents
Assembly tool for camshaft Download PDFInfo
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- CN105458669A CN105458669A CN201510992291.1A CN201510992291A CN105458669A CN 105458669 A CN105458669 A CN 105458669A CN 201510992291 A CN201510992291 A CN 201510992291A CN 105458669 A CN105458669 A CN 105458669A
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- Prior art keywords
- camshaft
- press
- base
- block
- supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Automatic Assembly (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The invention discloses an assembly tool for a camshaft. The assembly tool comprises a base (5), supporting parts, a pressing part (2), a press-fitting part (3) and a power drive part (4), wherein the power drive part (4) is connected to one end of the base (5); the power output end of the power drive part (4) is connected to the press-fitting part (3); the press-fitting part (3) is in sliding connection to the base (5); the quantity of the supporting parts is multiple groups, wherein the supporting surfaces at the upper ends of one group of supporting parts are inner concave arc surfaces which are fitted with a selected reference surface, during design, of the cam shaft (1); the pressing surface of the pressing part (2) is an acting surface which abuts against a basic shaft surface (1-3) positioned on the end part of the cam shaft (1); and the part, below the pressing surface, is opposite to the supporting surface of the supporting part. After adopting the structure, a stress surface and the reference surface on the cam shaft are separated, so that stress balance of the whole cam shaft is guaranteed, and therefore, subsequent assembly and normal work of the assembly tool are guaranteed.
Description
Technical field
The present invention relates to the technical field of camshaft, is specifically a kind of assembly tooling of camshaft.
Background technology
Manufacture method mainly solid forging or the casting of traditional camshaft, cam and axle are an entirety, therefore there is shortcoming below in this camshaft: because the mach operation after camshaft is various, allowance is just large, whole camshaft Heavy Weight can be caused like this, waste of material is many, is not easy to manufacture.That relatively commonly uses now has assembled cam shaft, and its key technology is the method for attachment of cam cover and axle.Present existing manufacture method has steel pipe inner swelling method, internal hydraulic pressure method, hot jacket method, powder metallurgic method and knurling connection method etc.But, for the camshaft that some are special, such as some time exhaust cam shaft, it needs to press-fit some other irregular parts in the end of camshaft, such as signal wheel, square cam, steel ball etc., therefore, this camshaft structure is compared with traditional camshaft structure, its complex contour many.If adopt traditional press-fitting tool, then its Problems existing is: the datum level due to camshaft is all just set in the design phase of camshaft, in traditional camshaft press-fitting tool, the camshaft with multiple cam of casting is placed on support, and applies thrust at datum level place, make datum level and stress surface be in same position place, in other words, before press-fiting, stressed on datum level, the stressed of whole camshaft is balance.But, the press-fiting of these irregular parts above-mentioned is normally carried out in the end of camshaft, therefore, after one end of camshaft is stressed, power is delivered on whole camshaft, easily there is drift angle in the active force of the stress point on datum level, these angled active forces have broken the stress balance of whole camshaft, and except being provided with thrust at datum level place, other places are easy to the distortion owing to producing by force unbalance, once camshaft distortion, then have a strong impact on its follow-up assembling and normally worked, therefore, traditional press-fitting tool is also not suitable for these and has press-fiting of the camshaft of peculiar part.
Summary of the invention
Technical problem to be solved by this invention is, cam is press-fiting in process and can not be out of shape to provide one to ensure, thus ensures that camshaft press-fits the assembly tooling of the camshaft of rear quality.
For solving the problems of the technologies described above, the assembly tooling of camshaft provided by the invention, it comprises base, is placed with for the support component of fixing camshaft to be assembled and compacting part, in advance irregularly shapedly takes turns sheet and be fitted in camshaft press-fits parts, power driving part by irregularly shaped sheet of taking turns; Described power driving part is connected to one end of base, its clutch end with press-fit parts and be connected, press-fit parts and be slidably connected on base; The quantity of described support component is many groups, wherein the supporting surface of one group of support component upper end is the inner concave arc surface that the datum level selected when designing with camshaft fits, the seal face of compacting part is the acting surface that the standard shaft face being positioned at camshaft mandrel end offsets, and the below of seal face is relative with the supporting surface of support component.
The quantity of described supporting component is four groups, is followed successively by first group of supporting component, second group of supporting component, the 3rd supporting component and the 4th supporting component from the tail end of camshaft to press-fiting end; The upper end supporting surface of second group of described supporting component is the inner concave arc surface fitted with the datum level of camshaft, and lower slide is connected on base; The upper end supporting surface of first group of supporting component and the 3rd support component is the inner concave arc surface fitted with the standard shaft face of camshaft, and lower end is connected with base is adjustable; The upper end supporting surface of the 4th group of supporting component is the inner concave arc surface fitted with the standard shaft face of camshaft, and lower end is fixedly connected with base; The quantity press-fiting parts is two, and two seal faces press-fiting parts lay respectively at first group of supporting component and the 4th group of supporting component has above supporting surface.
Described second group of support component comprises back-up block I and two L shape guide rails; The upper surface of described back-up block I is the indent arc supporting surface fitted with the datum level of camshaft, and two sidewalls of lower end have outstanding draw runner respectively; Described two L shape guide rails are oppositely arranged and are fixedly connected on base, form the chute of inverted T-shaped between two L shape guide rails, and back-up block I is slidably connected between two L shape guide rails with coordinating of chute by draw runner.
Position adjusting mechanism is provided with between described back-up block I and base; Described base is provided with the first slide opening in the junction of back-up block I, the part of back-up block I below draw runner is adjustable side, this adjustable side is positioned at the first slide opening, and be provided with the spring retention hole being equipped with spring arranged along camshaft axis direction away from the one end press-fiting parts in adjustable side, push against at the bottom of one end of spring and the hole in spring retention hole, the hole wall of the other end and the first slide opening pushes against.
Described first group of support component and the 3rd group of supporting component are two groups of identical support components, often organize support component and comprise back-up block II, supporting seat and L shape press strip; Described two L shape press strips are oppositely arranged and are fixedly connected on base, form the indent of inverted T-shaped between two L shape press strips; The upper end of described supporting seat is provided with locating slot, and two, lower end sidewall is provided with outstanding positioning strip, and supporting seat is adjustablely connected between two L shape press strips by coordinating of positioning strip and indent; The upper surface of described back-up block II is the indent arc supporting surface of fitting with the standard shaft face of camshaft, and lower end is located by the locating slot on locating piece and supporting seat, and back-up block II is fixedly connected with supporting seat by bolt.
Described 4th group of support component comprises back-up block III, and the upper surface of this back-up block III is the indent arc supporting surface of fitting with the standard shaft face of camshaft, and lower end is bolted to connection on base.
The described parts that press-fit comprise profiling cover, connection cover, pressure mounting base, slide, line slideway, ceiling molding and lower press strip; Described removable one end being connected to connection cover of profiling cover, the other end of connection cover is connected with one end of pressure mounting base, and the other end of pressure mounting base is connected with the drive end of power driving part; The lower end of pressure mounting base is fixedly connected with the upper end of slide, and lower end and the rail plate of slide are slidably connected, and line slideway is fixedly connected on base; Ceiling molding is fixedly connected on the upper end of lower press strip, and the lower end of lower press strip is fixedly connected with base, ceiling molding with press down bar and form inverted L shape press strip, the edge of slide is compressed by ceiling molding.
This frock also comprises being positioned at and press-fits degree of depth induction installation below base, and its depth location parts are installed on the supporting member, and its degree of depth inductive means is arranged on and press-fits on parts.
The described depth location parts press-fiting degree of depth induction installation comprise the first contiguous block, degree of depth induction rod and limited block, the upper end of the first contiguous block is connected with the bottom of the support component being positioned at camshaft datum level place, the removable lower end being connected to the first contiguous block, one end of degree of depth induction rod, the other end and the limited block of degree of depth induction rod are slidably connected, and the upper end of limited block is fixedly connected with the bottom surface of base; The described degree of depth inductive means press-fiting degree of depth induction installation comprises the second contiguous block and inductive probe, the base press-fiting parts installation place is provided with the second slide opening, the upper end of the second contiguous block is fixedly connected with the bottom press-fiting parts and is positioned at the second slide opening, the lower end of the second contiguous block is connected with inductive probe, the sensitive surface of inductive probe and the end face of degree of depth induction rod just right.
The end of the described camshaft press-fited between parts and support component is provided with the location structure for camshaft circumference angle orientation, and this location structure comprises location-plate, positioning sliding block and support bar; Positioning sliding block is slidably connected on the base at the second slide opening place, the lower end of location-plate is connected with positioning sliding block is removable, and the upper surface of location-plate is inclined-plane, and one end of support bar is connected to the inclined-plane place of location-plate upper end, the other end is welded with steel ball, and steel ball is connected in the hollow bore of camshaft.
After adopting above structure, the present invention compared with prior art, has following advantage:
1) because this assembly tooling separates compacting part separately to the seal face of camshaft and the datum level of one of them support component to camshaft, in other words, stress surface on camshaft and datum level are what to separate, be not in the same face, therefore, stressed when even if one end of camshaft press-fits, power is delivered to after on whole camshaft, according to the position relationship of support component and compacting part, the active force of the stress point on datum level is made to avoid drift angle occurs, thus ensure that the stress balance of whole camshaft, then the distortion that whole camshaft produces because of disequilibrium is avoided, ensure that its follow-up assembling and normally work, therefore, this press-fitting tool is applicable to these to be had and irregularly shapedly takes turns press-fiting of the camshaft of sheet,
2) second group of support component place is the support at datum level place, this support component have employed the structure of location of floating, namely between back-up block I and base, spring is provided with, thus the diverse location of the datum level of different camshaft can be regulated by trace, make the versatility of this assembly tooling higher;
3) be provided with between support component and press-loading apparatus at second group and press-fit degree of depth induction installation, make to press-fit the degree of depth and become movable variable depth, the blocking degree of whole frock is improved, more there is versatility;
4) in addition, be provided with location structure at camshaft near the end press-fiting parts, make camshaft press-fit these irregularly shaped take turns sheet time, have a location to the angle press-fited, thus make the angle that press-fits and position more accurate, improve yields; And location-plate is connected with positioning sliding block is removable, therefore, location-plate can being changed according to the installation requirement of different camshafts, and without the need to changing whole location structure, handled easily, to reduce costs.
Accompanying drawing explanation
Fig. 1 is the structural representation of the camshaft related in the present invention.
Fig. 2 is the perspective view of the assembly tooling of camshaft of the present invention.
Fig. 3 is the main TV structure schematic diagram of the assembly tooling of camshaft of the present invention.
Fig. 4 is the plan structure schematic diagram of the assembly tooling of camshaft of the present invention.
Fig. 5 is the sectional structure schematic diagram of the assembly tooling of camshaft of the present invention.
Fig. 6 is the structural representation of first group of support component and second group of support component in the present invention.
Fig. 7 is the structural representation of the depth location parts press-fiting degree of depth induction installation in the present invention.
Fig. 8 is the structural representation of back-up block II in the present invention.
Fig. 9 is the structural representation in A-A direction in Fig. 3.
Figure 10 is the structural representation of location structure in the present invention.
Figure 11 is wherein a kind of structural representation of profiling cover in the present invention.
Figure 12 is the wherein another kind of structural representation of profiling cover in the present invention.
Figure 13 is the structural representation press-fiting connection cover in parts in the present invention.
Wherein, 1, camshaft; 1-1, datum level; 1-2, irregularly shapedly take turns sheet; 1-3, standard shaft face; 2, compacting part; 3, parts are press-fited; 4, power driving part; 5, base; 6, back-up block I; 7, L shape guide rail; 8, chute; 9, draw runner; 10, the first slide rail; 11, back-up block II; 12, supporting seat; 13, L shape press strip; 14, locating piece; 15, locating slot; 16, mausoleum is regulated; 17, spring retention hole; 18, spring; 19, the first contiguous block; 20, degree of depth induction rod; 21, limited block; 22, positioning strip; 23, back-up block III; 24, profiling cover; 25, connection cover; 26, pressure mounting base; 27, the second slide opening; 28, inductive probe; 29, the second contiguous block; 30, slide; 31, line slideway; 32, ceiling molding; 33, lower press strip; 34, positioning sliding block; 35, location-plate; 36, inclined-plane; 37, support bar; 38, steel ball; 39, cushion block; 40, installed surface; 41, to step down breach; 42, vertical raised line; 43, long lumbar hole; 44, vertical groove.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
From the structural representation of the assembly tooling of the camshaft of the present invention shown in Fig. 1 ~ Figure 10, it comprises base 5, is placed with for the support component of fixing camshaft 1 to be assembled and compacting part 2, in advance irregularly shapedly takes turns sheet 1-2 and be fitted in camshaft 1 press-fits parts 3, power driving part 4 by the irregularly shaped sheet 1-2 that takes turns.Described power driving part 4 is connected to one end of base 5, its clutch end with press-fit parts 3 and be connected, press-fit parts 3 and be slidably connected on base 5.The quantity of described support component is many groups, wherein the supporting surface of one group of support component upper end is the inner concave arc surface that the datum level 1-1 selected when designing with camshaft 1 fits, the seal face of compacting part 2 is the acting surface that the standard shaft face 1-3 being positioned at camshaft 1 end offsets, and the below of seal face is relative with the supporting surface of support component.In the present embodiment, described compacting part 2 is clipper general in prior art.Power driving part 4 can adopt various ways, and optimum structure is cylinder assembly, also can be the feed screw nut etc. of hydraulic cylinder, driven by motor, and what adopt in the present embodiment is cylinder assembly.In addition, one of them compacting part 2 is positioned at and press-fits position near camshaft, makes one of them stress surface of camshaft nearest from press-assembling surface, thus ensure that press-fit stressed more stable.
The quantity of described supporting component is four groups, is followed successively by first group of supporting component, second group of supporting component, the 3rd supporting component and the 4th supporting component from the tail end of camshaft to press-fiting end.The upper end supporting surface of second group of described supporting component is the inner concave arc surface fitted with the datum level 1-1 of camshaft 1, and lower slide is connected on base 5.The upper end supporting surface of first group of supporting component and the 3rd support component is the inner concave arc surface fitted with the standard shaft face 1-3 of camshaft 1, and lower end is connected with base 5 is adjustable.The upper end supporting surface of the 4th group of supporting component is the inner concave arc surface fitted with the standard shaft face 1-3 of camshaft 1, and lower end is fixedly connected with base 5.The quantity press-fiting parts 3 is two, and two seal faces press-fiting parts 3 lay respectively at first group of supporting component and the 4th group of supporting component has above supporting surface.
Described second group of support component comprises back-up block I 6 and two L shape guide rails 7.The upper surface of described back-up block I 6 is the indent arc supporting surface fitted with the datum level 1-1 of camshaft 1, and two sidewalls of lower end have outstanding draw runner 9 respectively.Described two L shape guide rails 7 are oppositely arranged and are fixedly connected on base 5, form the chute 8 of inverted T-shaped between two L shape guide rails 7, and back-up block I 6 is slidably connected between two L shape guide rails 7 with coordinating of chute 8 by draw runner 9.
Position adjusting mechanism is provided with between described back-up block I 6 and base 5.Described base 5 is provided with the first slide opening 10 in the junction of back-up block I 6, back-up block I 6 is adjustable side 16 in the part of draw runner less than 9, this adjustable side 16 is positioned at the first slide opening 10, and be provided with the spring retention hole 17 being equipped with spring 18 arranged along camshaft axis direction away from the one end press-fiting parts 3 in adjustable side 16, push against at the bottom of one end of spring 18 and the hole in spring retention hole 17, the hole wall of the other end and the first slide opening 10 pushes against.
Described first group of support component and the 3rd group of supporting component are two groups of identical support components, often organize support component and comprise back-up block II 11, supporting seat 12 and L shape press strip 13; Described two L shape press strips 13 are oppositely arranged and are fixedly connected on base 5, form the indent of inverted T-shaped between two L shape press strips 13.The upper end of described supporting seat 12 is provided with locating slot 15, and two, lower end sidewall is provided with outstanding positioning strip 22, and supporting seat 12 coordinates adjustable being connected between two L shape press strips 13 by positioning strip 22 and indent.The upper surface of described back-up block II 11 is the indent arc supporting surface of fitting with the standard shaft face 1-3 of camshaft 1, and lower end is located by locating piece 14 and the locating slot 15 on supporting seat 12, and back-up block II 11 is fixedly connected with supporting seat 12 by bolt.
Described 4th group of support component comprises back-up block III 23, and the upper surface of this back-up block III 23 is the indent arc supporting surface of fitting with the standard shaft face 1-3 of camshaft 1, and lower end is bolted to connection on base 5.
The described parts 3 that press-fit comprise profiling cover 24, connection cover 25, pressure mounting base 26, slide 30, line slideway 31, ceiling molding 32 and lower press strip 33.24 removable one end being connected to connection cover 25 are overlapped in described profiling, and the other end of connection cover 25 is connected with one end of pressure mounting base 26, and the other end of pressure mounting base 26 is connected with the drive end of power driving part 4.The lower end of pressure mounting base 26 is fixedly connected with the upper end of slide 30, and lower end and the line slideway 31 of slide 30 are slidably connected, and line slideway 31 is fixedly connected on base 5.Ceiling molding 32 is fixedly connected on the upper end of lower press strip 33, and the lower end of lower press strip 33 is fixedly connected with base 5, and ceiling molding 32 and lower press strip 33 form inverted L shape press strip, and the edge of slide 30 is compressed by ceiling molding 32.
This frock also comprises being positioned at and press-fits degree of depth induction installation below base 5, and its depth location parts are installed on the supporting member, and its degree of depth inductive means is arranged on and press-fits on parts 3.
The described depth location parts press-fiting degree of depth induction installation comprise the first contiguous block 19, degree of depth induction rod 20 and limited block 21, the upper end of the first contiguous block 19 is connected with the bottom of the support component being positioned at camshaft 1 datum level place, the removable lower end being connected to the first contiguous block 19, one end of degree of depth induction rod 20, the other end and the limited block 21 of degree of depth induction rod 20 are slidably connected, and the upper end of limited block 21 is fixedly connected with the bottom surface of base 5; The described degree of depth inductive means press-fiting degree of depth induction installation comprises the second contiguous block 29 and inductive probe 28, the base 5 press-fiting parts 3 installation place is provided with the second slide opening 27, the upper end of the second contiguous block 29 is fixedly connected with the bottom press-fiting parts 3 and is positioned at the second slide opening 27, the lower end of the second contiguous block 29 is connected with inductive probe 28, the sensitive surface of inductive probe 28 and the end face of degree of depth induction rod 20 just right.
The end of the described camshaft 1 press-fited between parts 3 and support component is provided with the location structure for the circumferential angle orientation of camshaft 1, and this location structure comprises location-plate 35, positioning sliding block 34 and support bar 37.Positioning sliding block 34 is slidably connected on the base 5 at the second slide opening 27 place, the lower end of location-plate 35 is connected with positioning sliding block 34 is removable, the upper surface of location-plate 35 is inclined-plane 36, one end of support bar 37 is connected to inclined-plane 36 place of location-plate 35 upper end, the other end is welded with steel ball 38, and steel ball 38 is connected in the hollow bore of camshaft 1.
In this assembly tooling, two ends, the bottom surface place of base 5 is respectively equipped with cushion block 39, and the height of cushion block 39 must be greater than base and press-fit the height that depth perception answers member distance base 5 for 5 times, like this, press-fit degree of depth inductive means and just can not encounter table surface, and ensure the normal operation of assembly tooling.
In addition, the end face of base 5 is provided with the installed surface 40 of indent along its length, supporting seat 12, second group in first slide opening 10, second slide opening 27, first group and the 3rd group support component and the 4th group of support component and the line slideway etc. press-fited in parts are installed on installed surface 40, decrease the machining accuracy of base 5 on the one hand, also make the parts of support and camshaft 1 all be in same level on the other hand, more ensure that the assembly precision press-fited.
24 removable one end being connected to connection cover 25 are overlapped in described profiling, socket profile in centre bore as shown in fig. 11 can be divided into be circular irregularly shaped profiling cover 24 of taking turns sheet, the connection of this profiling cover 24 and connection cover 25 is as shown in Fig. 13 that the screw by arranging on four corners connects.In addition, in order to get out of the way the position of the bolt head of the set bolt that connection cover 25 is connected with pressure mounting base 26, also the edge of the both sides, front and back of profiling cover 24 is provided with semicircular breach 41 of stepping down.Simultaneously in order to the micro-adjustment assembly position of energy, be provided with long lumbar hole 43 at the bolts assemblies place of connection cover 25.
But take turns sheet for square irregularly shaped shown in accompanying drawing 12, its location, direction seems extremely important, and therefore, profiling cover 24 will ensure its accuracy in the location of some angles.In accompanying drawing 12, the end face of profiling cover 24 is provided with vertical raised line 42 through center, and the end face of connection cover 25 in accompanying drawing 13 is provided with the vertical groove 44 matched with vertical raised line 42.Meanwhile, overlap when 24 energy and connection cover 25 and pressure mounting base 26 assemble to coordinate the profiling of other structures and can have versatility, other structures of connection cover 25 are all the same.
In the depth location parts of second group of support component bottom, the removable degree of depth induction rod 20 that is connected with in the lower end of the first contiguous block 19 refers to, the lower end of the first contiguous block 19 is provided with the open slot 45 through degree of depth induction rod 20 installing hole, and after being connected by bolt and nut by the first contiguous block 19 lower end that open slot 45 separates, degree of depth induction rod 20 is locked on the first contiguous block 19.
In location structure, the lower end of location-plate 35 is removablely connected on positioning sliding block 34, refer to that the lower slide of positioning sliding block 34 is connected in the second slide opening 27 of base 5, upper end is provided with the square groove of the accommodating location-plate 35 of energy, the lower end of location-plate 35 is placed on after in square groove, be screwed into bolt downwards from the bottom of positioning sliding block 34, location-plate 35 and positioning sliding block 34 are fixed together.And when the camshaft of different setting angle carry out irregularly shaped take turns sheet press-fit time, then change the location-plate 35 of differing tilt angles, now do not need whole replacing location structure, only need pull down location-plate 35, material, saving cost can be saved.
The operation principle of the assembly tooling of this camshaft is: first place on the supporting member by camshaft 1, note the indent arc supporting surface aimed at by the datum level 1-1 of camshaft 1 in second group of support component on back-up block I 6, then adjust the operating position of back-up block I 6 according to the position trace of stress surface.Now, compress compacting part 2, make all to be pressed with compacting part 2 on first group of support component He on the 4th group of support component.Then select different profiling covers 24 to be connected with connection cover 25 successively according to the variform irregularly shaped sheet 1-2 that takes turns, and the irregularly shaped sheet 1-2 that takes turns of matching form is put into profiling cover 24.Then the cylinder assembly as power driving part 5 is started, piston rod is outwards ejected, promotion pressure mounting base 26 and slide 30 move to camshaft 1 direction on line slideway 31, until be connected to the inductive probe 28 in degree of depth inductive means that press-fits press-fited bottom parts 3 to have sensed just stop in the position of degree of depth induction rod 20, now, the irregularly shaped sheet 1-2 that takes turns has press-fited.Power driving part 5 reverse direction operation, makes to press-fit parts 3 and exits camshaft, open compacting part 2, takes out the camshaft press-fited.
The above; it is only the better feasible exemplifying embodiment of the present invention; therefore interest field of the present invention can not namely be limited to; concerning those of ordinary skill in the art, other various corresponding changes that all utilizations technical scheme of the present invention and technical conceive are made all should belong within the protection domain of the claims in the present invention.
Claims (10)
1. an assembly tooling for camshaft, is characterized in that: it comprises base (5), is placed with for the support component of fixing camshaft (1) to be assembled and compacting part (2), in advance irregularly shapedly takes turns sheet (1-2) and be fitted in camshaft (1) press-fits parts (3), power driving part (4) by irregularly shaped sheet (1-2) of taking turns; Described power driving part (4) is connected to one end of base (5), its clutch end with press-fit parts (3) and be connected, press-fit parts (3) and be slidably connected on base (5); The quantity of described support component is many groups, wherein the supporting surface of one group of support component upper end is the inner concave arc surface that the datum level (1-1) selected when designing with camshaft (1) fits, the acting surface that the seal face of compacting part (2) offsets for the standard shaft face (1-3) being positioned at camshaft (1) end, and the below of seal face is relative with the supporting surface of support component.
2. the assembly tooling of camshaft according to claim 1, it is characterized in that: the quantity of described supporting component is four groups, being followed successively by first group of supporting component, second group of supporting component, the 3rd supporting component and the 4th supporting component from the tail end of camshaft to press-fiting end; The upper end supporting surface of second group of described supporting component is the inner concave arc surface fitted with the datum level of camshaft (1) (1-1), and lower slide is connected on base (5); The upper end supporting surface of first group of supporting component and the 3rd support component is the inner concave arc surface fitted with the standard shaft face (1-3) of camshaft (1), and lower end is connected with base (5) is adjustable; The upper end supporting surface of the 4th group of supporting component is the inner concave arc surface fitted with the standard shaft face (1-3) of camshaft (1), and lower end is fixedly connected with base (5); The quantity press-fiting parts (3) is two, and two seal faces press-fiting parts (3) lay respectively at first group of supporting component and the 4th group of supporting component has above supporting surface.
3. the assembly tooling of camshaft according to claim 2, is characterized in that: described second group of support component comprises back-up block I (6) and two L shape guide rails (7); The upper surface of described back-up block I (6) is the indent arc supporting surface fitted with the datum level of camshaft (1) (1-1), and two sidewalls of lower end have outstanding draw runner (9) respectively; Described two L shape guide rails (7) are oppositely arranged and are fixedly connected on base (5), form the chute (8) of inverted T-shaped between two L shape guide rails (7), back-up block I (6) is slidably connected between two L shape guide rails (7) with coordinating of chute (8) by draw runner (9).
4. the assembly tooling of camshaft according to claim 3, is characterized in that: be provided with position adjusting mechanism between described back-up block I (6) and base (5), described base (5) is provided with the first slide opening (10) in the junction of back-up block I (6), back-up block I (6) is adjustable side (16) in draw runner (9) part below, this adjustable side (16) is positioned at the first slide opening (10), and be provided with the spring retention hole (17) being equipped with spring (18) arranged along camshaft axis direction away from the one end press-fiting parts (3) in adjustable side (16), push against at the bottom of one end of spring (18) and the hole of spring retention hole (17), the hole wall of the other end and the first slide opening (10) pushes against.
5. the assembly tooling of camshaft according to claim 2, it is characterized in that: described first group of support component and the 3rd group of supporting component are two groups of identical support components, often organize support component and comprise back-up block II (11), supporting seat (12) and L shape press strip (13); Described two L shape press strips (13) are oppositely arranged and are fixedly connected on base (5), form the indent of inverted T-shaped between two L shape press strips (13); The upper end of described supporting seat (12) is provided with locating slot (15), two, lower end sidewall is provided with outstanding positioning strip (22), and supporting seat (12) is adjustablely connected between two L shape press strips (13) by coordinating of positioning strip (22) and indent; The upper surface of described back-up block II (11) is the indent arc supporting surface of fitting with the standard shaft face (1-3) of camshaft (1), lower end is located by locating piece (14) and the locating slot (15) on supporting seat (12), and back-up block II (11) is fixedly connected with supporting seat (12) by bolt.
6. the assembly tooling of camshaft according to claim 2, it is characterized in that: described 4th group of support component comprises back-up block III (23), the upper surface of this back-up block III (23) is the indent arc supporting surface of fitting with the standard shaft face (1-3) of camshaft (1), and lower end is bolted to connection on base (5).
7. the assembly tooling of camshaft according to claim 1, is characterized in that: the described parts (3) that press-fit comprise profiling cover (24), connection cover (25), pressure mounting base (26), slide (30), line slideway (31), ceiling molding (32) and lower press strip (33); Described removable one end being connected to connection cover (25) of profiling cover (24), the other end of connection cover (25) is connected with one end of pressure mounting base (26), and the other end of pressure mounting base (26) is connected with the drive end of power driving part (4); The lower end of pressure mounting base (26) is fixedly connected with the upper end of slide (30), lower end and the line slideway (31) of slide (30) are slidably connected, and line slideway (31) is fixedly connected on base (5); Ceiling molding (32) is fixedly connected on the upper end of lower press strip (33), the lower end of lower press strip (33) is fixedly connected with base (5), ceiling molding (32) and lower press strip (33) form inverted L shape press strip, and the edge of slide (30) is compressed by ceiling molding (32).
8. the assembly tooling of camshaft according to claim 1, it is characterized in that: this frock also comprise be positioned at base (5) below press-fit degree of depth induction installation, its depth location parts are installed on the supporting member, and its degree of depth inductive means is arranged on and press-fits on parts (3).
9. the assembly tooling of camshaft according to claim 8, it is characterized in that: the described depth location parts press-fiting degree of depth induction installation comprise the first contiguous block (19), degree of depth induction rod (20) and limited block (21), the upper end of the first contiguous block (19) is connected with the bottom of the support component being positioned at camshaft (1) datum level place, the removable lower end being connected to the first contiguous block (19), one end of degree of depth induction rod (20), the other end and the limited block (21) of degree of depth induction rod (20) are slidably connected, the upper end of limited block (21) is fixedly connected with the bottom surface of base (5), the described degree of depth inductive means press-fiting degree of depth induction installation comprises the second contiguous block (29) and inductive probe (28), the base (5) press-fiting parts (3) installation place is provided with the second slide opening (27), the upper end of the second contiguous block (29) is fixedly connected with the bottom press-fiting parts (3) and is positioned at the second slide opening (27), the lower end of the second contiguous block (29) is connected with inductive probe (28), the sensitive surface of inductive probe (28) and the end face of degree of depth induction rod (20) just right.
10. the assembly tooling of camshaft according to claim 9, it is characterized in that: the end of the described camshaft (1) press-fited between parts (3) and support component is provided with the location structure for camshaft (1) circumferential angle orientation, and this location structure comprises location-plate (35), positioning sliding block (34) and support bar (37); Positioning sliding block (34) is slidably connected on the base (5) at the second slide opening (27) place, the lower end of location-plate (35) is connected with positioning sliding block (34) is removable, the upper surface of location-plate (35) is inclined-plane (36), one end of support bar (37) is connected to inclined-plane (36) place of location-plate (35) upper end, the other end is welded with steel ball (38), and steel ball (38) is connected in the hollow bore of camshaft (1).
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| CN201510992291.1A CN105458669B (en) | 2015-12-25 | 2015-12-25 | The assembly tooling of camshaft |
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| CN201510992291.1A CN105458669B (en) | 2015-12-25 | 2015-12-25 | The assembly tooling of camshaft |
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| CN105458669A true CN105458669A (en) | 2016-04-06 |
| CN105458669B CN105458669B (en) | 2017-12-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105751116A (en) * | 2016-04-11 | 2016-07-13 | 湖州圣龙汽车动力系统有限公司 | Clamping device for cam sheet on assembly type cam shaft |
| CN106984962A (en) * | 2017-06-01 | 2017-07-28 | 四川银钢通凸轮轴有限公司 | One kind pressure signal wheel frock |
| CN107186461A (en) * | 2017-04-20 | 2017-09-22 | 常州市盛士达汽车空调有限公司 | The device that a kind of pipe fitting both-end press-fits |
| CN107363517A (en) * | 2017-08-31 | 2017-11-21 | 绵阳华晨瑞安汽车零部件有限公司 | Camshaft pin assembles device |
| CN108127368A (en) * | 2017-11-07 | 2018-06-08 | 武汉船用机械有限责任公司 | The assembly tooling of a kind of hole and axis and assembly method |
| CN111822976A (en) * | 2019-04-16 | 2020-10-27 | 陕西万方汽车零部件有限公司 | Improved expansion press-fitting system and method thereof |
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| CN105751116A (en) * | 2016-04-11 | 2016-07-13 | 湖州圣龙汽车动力系统有限公司 | Clamping device for cam sheet on assembly type cam shaft |
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| CN107186461A (en) * | 2017-04-20 | 2017-09-22 | 常州市盛士达汽车空调有限公司 | The device that a kind of pipe fitting both-end press-fits |
| CN106984962A (en) * | 2017-06-01 | 2017-07-28 | 四川银钢通凸轮轴有限公司 | One kind pressure signal wheel frock |
| CN107363517A (en) * | 2017-08-31 | 2017-11-21 | 绵阳华晨瑞安汽车零部件有限公司 | Camshaft pin assembles device |
| CN107363517B (en) * | 2017-08-31 | 2023-08-15 | 绵阳华晨瑞安汽车零部件有限公司 | Camshaft pin assembly device |
| CN108127368A (en) * | 2017-11-07 | 2018-06-08 | 武汉船用机械有限责任公司 | The assembly tooling of a kind of hole and axis and assembly method |
| CN111822976A (en) * | 2019-04-16 | 2020-10-27 | 陕西万方汽车零部件有限公司 | Improved expansion press-fitting system and method thereof |
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| CN105458669B (en) | 2017-12-15 |
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Address after: 315100 No. 788, JINDA Road, Yinzhou District, Ningbo City, Zhejiang Province Patentee after: Ningbo Shenglong Zhizao camshaft Co.,Ltd. Address before: No. 788, JINDA Road, investment and entrepreneurship center, Yinzhou District, Ningbo City, Zhejiang Province, 315104 Patentee before: NINGBO SHENGLONG PCL CAMSHAFTS CO.,LTD. |
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