Combine pressing mold
Technical field
The utility model relates to a kind of combination pressing mold, especially a kind of combination pressing mold for annular element heat treatment.
Background technique
The heat treatment of bearing holder (housing, cover) is most important for dimensional stability, fatigue, stress in bearing holder (housing, cover) use process etc..It seeps
Carbon processing can substantially improve the service performance of bearing holder (housing, cover).Bearing holder (housing, cover) needs to carry out secondary quenching after carburizing, that is, will seep
Workpiece after carbon is heated to a certain temperature and is kept for certain time, then cooling with appropriate speed, and acquisition surface is high-carbon horse
Family name's body and the internal material for lath martensite.Martensite can generate internal stress in phase transition process, so as to cause bearing holder (housing, cover)
It is deformed during secondary quenching.Bearing holder (housing, cover) deformation after heat treatment is bigger, it is necessary in subsequent machining
More materials is removed, to obtain ideal size and shape tolerance.Therefore, the bearing holder (housing, cover) deformation after reducing heat treatment can subtract
Small subsequent machining cost, while the carburized layer thickness of bearing holder (housing, cover) can also be maintained to be unlikely to excessively thin, to extend bearing
The service life of set.
For the Carburization Treatment of middle-size and small-size bearing holder (housing, cover), the heat treatment method of die quenching is generallyd use in the prior art.
CN201424494Y discloses a kind of semi-automatic carburizing and quenching mold of heat treatment bearing holder (housing, cover) comprising upper die is under
Pressing mold.During heat treatment, bearing holder (housing, cover) is covered outside lower die first, then upper die is pressed on bearing holder (housing, cover), passed through
The self weight of upper die generates downward pressure.Upper die decomposes pressure, and component is passed to bearing holder (housing, cover).The convergent force of bearing holder (housing, cover)
The radial component transmitted with the conical surface of upper die is cancelled out each other, and achievees the purpose that prevent bearing holder (housing, cover) from deforming.Due to the material of bearing holder (housing, cover)
Material is different, and the size of convergent force is also different.The pressure for leaning on upper die self weight can not play the effect for entirely preventing bearing holder (housing, cover) to shrink
Fruit.
CN2700335Y disclose it is a kind of for bearing holder (housing, cover) heat treatment combined moving mold comprising positioning disk, sunpender,
Reverse taper and multiple sliding blocks.Sunpender is fixed on the middle part of positioning disk.There is hole in the middle part of reverse taper, cover on sunpender.Multiple cunnings
Block is located at the outside of reverse taper, and inside and the conical surface of reverse taper match, and lateral surface is matched with bearing holder (housing, cover) inner wall.In sliding block
Lateral surface on be arranged fluted, the tension spring for locking sliding block is provided in groove.The shortcomings that said combination flexible mould, exists
In tension spring is only capable of fixing the radial position of sliding block, and the circumferential position of sliding block can not be fixed before cone indentation, may
It is circumferentially distributed uneven, the form tolerance of bearing holder (housing, cover) is influenced during heat treatment.Although in addition, cone can finely tune up and down with
The bearing holder (housing, cover) of different size is adapted to, but since centrum up and down adjustment distance is very short, so the adaptability of same set of sliding block is limited.
CN205115554U discloses a kind of telescopic carburizing steel material bearing holder (housing, cover) quenching mould comprising chassis, by eight
The mold core of the identical mold section composition of a structure, the cone in insertion mold core, terminal pad, locking nut, sunpender, buting iron, cylinder spiral shell
Revolve extension spring and guide post.The inner surface of mold core is processed into inner conical surface.Outer surface of cone be processed into match with mold core it is outer
The conical surface.Sunpender top is installed with locking nut.Terminal pad is cased with outside locking nut.Terminal pad is fixed on cone top using screw
Face.Locking nut is fixedly connected by terminal pad with cone.Rotation locking nut can be such that cone moves up and down along sunpender.Buting iron peace
On the upper surface of cone, positioned for locking nut.Similarly, above-mentioned telescopic carburizing steel material bearing holder (housing, cover) quenching mould
The shortcomings that be, although cone can be finely tuned up and down to adapt to the bearing holder (housing, cover) of different size, due to centrum up and down adjustment distance
It is very short, so the adaptability of same set of sliding block is limited.
Utility model content
The technical problems to be solved in the utility model is that annular element is shunk when preventing heat treatment, and is adapted to different size
Annular element, to reduce the cost that switches between the annular element of different size.
The utility model discloses a kind of combination pressing molds, are heat-treated for annular element, the combination pressing mold includes: the first pressure
Plate and the second pressing plate;The internal model and external mold installed between first pressing plate and second pressing plate, the internal model include by
The cone that the hollow conical ring of multiple stackings is constituted, the external mold includes multiple sliding blocks, and the cone limits multiple circumferentially spaced
Slideway, so as to slidably receive the multiple sliding block, the sliding block limits the working face for contacting annular element inner surface,
The combination pressing mold has first mode and second mode, and in the first mode, the internal model is in first pressing plate
It is fixed between second pressing plate, so that the working face is stationary, in the second mode, pass through replacement
Various sizes of hollow conical ring and/or sliding block, the working face can be expanded or shunk.
According to optional embodiment, inner sleeve is installed along central axis in the internal model, the inner sleeve includes multiple
Inner sleeve gasket, inner sleeve foundation ring and the larger-sized positioning compared with the inner sleeve gasket and the inner sleeve foundation ring of stacking
Ring, the positioning ring are radially inserted into the internal model, and the internal model and the inner sleeve axial restraint and the inner sleeve is logical
Bolt is crossed fixed to one or two of first pressing plate and second pressing plate.
According to optional embodiment, the slideway is equally spaced from each other to be spaced apart, and is extended along central axis, the cunning
The section in road is T-type, wherein wider part is close to central axis, and it is relatively narrow partially away from central axis and the cunning
Block includes the protrusion being mounted in the slideway in form-fit fashion.
According to optional embodiment, the sliding block is made of the slider component of multiple stackings.
According to optional embodiment, the sliding block is connected with angle-regulating block, to limit the working face relative in
The angle of mandrel line.
According to optional embodiment, it is equipped with groove on the slide block, the angle-regulating block is included in the groove
It is interior can pivotally received cylindrical portion, and be additionally provided with bolt and wedge block in the sliding block and the angle-regulating block,
So that the sliding block is fixed relative to the angle-regulating block.
The invention also discloses a kind of combination pressing molds, are heat-treated for annular element, the combination pressing mold includes: first
Pressing plate and the second pressing plate;The internal model and external mold, the internal model installed between first pressing plate and second pressing plate include
The cone being made of the hollow conical ring of multiple stackings, the external mold include multiple sliding blocks with the cone contact, described
Multiple radial slides are limited in one pressing plate and second pressing plate, so as to the multiple sliding block is slidably received, the cunning
Block limits the working face for contacting annular element inner surface, and the combination pressing mold has first mode and second mode, in institute
It states in first mode, the internal model is fixed between first pressing plate and second pressing plate, so that the work
Face is stationary, in the second mode, by replacing various sizes of hollow conical ring and/or sliding block, the working face energy
Enough expand or shrink.
According to optional embodiment, inner sleeve is installed along central axis in the internal model, the inner sleeve includes multiple
Inner sleeve gasket, inner sleeve foundation ring and the larger-sized positioning compared with the inner sleeve gasket and the inner sleeve foundation ring of stacking
Ring, the positioning ring are radially inserted into the internal model, and the internal model and the inner sleeve axial restraint and the inner sleeve is logical
Bolt is crossed fixed to one or two of first pressing plate and second pressing plate.
According to optional embodiment, the slideway is equally angularly spaced each other, and the slideway is respectively from first pressure
Plate and second pressing plate radially extend outwardly, and section is T-type, wherein it is wider partially away from the sliding block,
And relatively narrow part close to the sliding block and the sliding block include be mounted in form-fit fashion it is convex in the slideway
Portion.
According to optional embodiment, the sliding block is made of the slider component of multiple stackings.
According to optional embodiment, the sliding block is connected with angle-regulating block, to limit the working face relative in
The angle of mandrel line.
According to optional embodiment, it is equipped with groove on the slide block, the angle-regulating block is included in the groove
It is interior can pivotally received cylindrical portion, and be additionally provided with bolt and wedge shape between the sliding block and the angle-regulating block
Block, so that the sliding block is fixed relative to the angle-regulating block.
According to optional embodiment, the combination pressing mold is also provided between the first pressing plate and the second pressing plate for fitting
Answer the combined type gasket of different annular element height.
The invention also discloses a kind of combination pressing molds, are heat-treated for annular element, the combination pressing mold includes: first
Pressing plate and the second pressing plate;The taper internal model and external mold installed between first pressing plate and second pressing plate, the external mold
Including the multiple circumferentially spaced sliding blocks contacted with the internal model, the taper internal model is fixed relative to second pressing plate, institute
Stating the first pressing plate includes the guide structure for guiding the sliding block to move radially, and the sliding block is limited for contacting in annular element
The working face on surface, the combination pressing mold further includes that fixed pad is contacted between the taper internal model and first pressing plate
Block, the combination pressing mold have first mode and second mode, and in the first mode, first pressing plate is relative to institute
Stating the second pressing plate can not move, so that the working face is stationary, in the second mode, first pressing plate is opposite
It can be moved in second pressing plate, will pass through the various sizes of cushion block of replacement, the working face can be expanded or shunk.
The combination pressing mold of the utility model can be realized annular element when preventing heat treatment and shrink, and be adapted to different size
Annular element, so as to reduce the cost switched between the annular element of different size.
Detailed description of the invention
Fig. 1 shows the cross-sectional view of the system according to the present utility model for annular element heat treatment, wherein at the system
In operating mode.
Fig. 2 shows the top views of the system of Fig. 1.
Fig. 3 shows the system of Fig. 1 along the cross-sectional view of the line A-A of Fig. 2.
Fig. 4 shows the cross-sectional view of another embodiment of system according to the present utility model, unloads wherein the system is in
In material mode.
Fig. 5 shows the partial enlargement diagram of the discharging device of the system of Fig. 1.
Fig. 6 shows the cross-sectional view of combination pressing mold according to the present utility model.
Fig. 7 shows the cross-sectional view in another direction of internal model and external mold in the combination pressing mold of Fig. 6.
Fig. 8 shows the cross-sectional view of another embodiment of combination pressing mold according to the present utility model.
Fig. 9 a, 9b, 9c and 9d be shown respectively it is according to the present utility model combination pressing mold another embodiment cross-sectional view,
The side view of the front view and side view of angle-regulating block and another angle-regulating block.
Figure 10 shows the cross-sectional view of another embodiment of combination pressing mold according to the present utility model.
Figure 11 shows the cross-sectional view of another embodiment of combination pressing mold according to the present utility model.
Figure 12 shows the top view of the first pressing plate in the combination pressing mold of Figure 11.
Figure 13 shows the cross-sectional view of another embodiment of combination pressing mold according to the present utility model.
Figure 14 shows the cross-sectional view of another embodiment of combination pressing mold according to the present utility model.
In all the appended drawings, identical or corresponding component appended drawing reference having the same.
Specific embodiment
Fig. 1 shows the cross-sectional view of the system 100 according to the present utility model for annular element heat treatment.System 100 includes:
For accommodating the container 104 of heat processing liquid (such as quenching oil);It is fixedly positioned to the draft hitch of 104 overthe openings of container
102;The lift rotating equipment 101 of 102 bottom of draft hitch is extended downwardly and is rotatably connected to from draft hitch 102;
The console 103 being operatively connected with lift rotating equipment 101.
Lift rotating equipment 101 can drive control platform 103 selectively relative to container go up and down and/or surround central axis
Line X rotation.The combination pressing mold 1 for being arranged non-movable ring segment (such as bearing holder (housing, cover)) is carried on console 103.Console
103 can be in the operating mode that combination pressing mold 1 immerses in heat treatment solution and the discharging mould for combining pressing mold 1 and leaving heat treatment solution
Switch between formula.
System 100 further includes and console 103 and combines the clamping device 120 that pressing mold 1 is operatively connected.Clamping device
120 for being clamped in combination pressing mold 1 for annular element, and including with combine pressing mold 1 and be operatively connected and machine can be utilized
Tool transmission (such as turbine and worm) or hydraulic drive and the first clamping component 121 for moving relative to each other along central axis X and the
Two clamping components 122.The specific operation process of clamping and the material returned of the annular element on combination pressing mold 1 is described in more detail below.
System 100 further includes the discharging device 18 being arranged on console 103.Discharging device 18 and lift rotating equipment
101 are operatively connected and are controlled so as to only be activated in discharging mode, draw off combination pressing mold 1 with means of complementary annular part.
Discharging device 18 includes the material returned pin 107 for being operably connected to combination pressing mold 1, the support for supporting material returned pin 107
Disk 108, be operably connected to support plate 108 with for its material returned is provided needed for power power sleeve 109.
System 100 further includes additional cooling device 116.Additional cooling device 116 includes the spray being arranged in console 103
Loophole and perfusion tube 117, the pump 118 being arranged on draft hitch 102 and one end are connected to perfusion tube 117 and the other end
It is connected to the hose 119 of pump 118.The major function of additional cooling device 116 is by heat treatment solution in operating mode in group
It is sprayed inside combined pressure mould 1, so that heat treatment solution is contacted with the inner wall for combining the annular element on pressing mold 1, accelerates the cold of annular element
But.
Fig. 2 shows the top views of the system of Fig. 1.Container 104 is provided with multiple blenders 113 on side wall, for driving
Heat treatment solution flowing in container 104, especially forms the vortex for surrounding central axis X, so that heat treatment solution and work
Part more fully contacts, to improve heat treatment efficiency.Lift rotating equipment 101 includes being pivotably supported console 103
Console bracket 115 and Rotary cloumn 105, lifting column 106 and the positioning vertical column 112 being arranged along 102 inner circumferential of draft hitch.
Rotary cloumn 105 is operably connected to the rotary speed variator 114 being arranged on console bracket 115 and the material returned
Speed changer 110.Lift rotating equipment 101 is arranged in operating mode drive by Rotary cloumn 105 and rotary speed variator 114
Console 103 is rotated around central axis X.Lift rotating equipment 101 is arranged in discharging mode through 105 He of Rotary cloumn
Material returned speed changer 110 drives power sleeve 109 to rotate around central axis X, draws off combination pressing mold 1 with means of complementary annular part.
It should be noted that Rotary cloumn 105 includes splined section and smooth part.Lift rotating equipment 101 is arranged to
Rotary speed variator 114 is made to be connected to splined section and the connection of material returned speed changer 110 of Rotary cloumn 105 in operating mode
To the smooth part of Rotary cloumn 105, it is also configured to make rotary speed variator 114 be connected to Rotary cloumn in discharging mode
105 smooth part and material returned speed changer 110 are connected to the splined section of Rotary cloumn 105.It is such be configured to so that
Console 103 only rotates in operating mode, and discharging device 18 only works in discharging mode.
Lifting column 106 is operably connected to console bracket 115.Lift rotating equipment 101 is arranged in Working mould
Formula and discharging mode are gone up and down by 106 drive control platform bracket 115 of lifting column along central axis X during mutually switching.
Fig. 3 shows the system of Fig. 1 along the cross-sectional view of the line A-A of Fig. 2.Positioning vertical column 112 slideably (such as passes through ball
Bearing) it is connected to console bracket 115, so that console bracket 115 can only be moved along central axis X.
Fig. 4 shows the cross-sectional view of another embodiment of system according to the present utility model.In the embodiment of figure 1,
The top half of combination pressing mold 1 is hung console 103 together with workpiece in discharging mode, to carry out the replacement of workpiece.
Compared with above embodiment, in the embodiment in Fig. 4, system 100 is arranged to that in discharging mode, pressing mold 1 will be combined
Lower half portion is radially removed by means of the telescopic sliding rail 111 being arranged on draft hitch 102, to carry out workpiece
Replacement.The embodiment of Fig. 5 is commonly used in miniature workpiece, the advantage is that the replacement occupied space of workpiece and Fig. 1 embodiment party
Formula is compared to smaller.
Fig. 5 shows the partial enlargement diagram of the discharging device of the system of Fig. 1.Power sleeve 109 along its circumferential direction by setting
The ratchet set and the ball being arranged in ratchet are connected to the corresponding ratchet in support plate 108, so that power sleeve 109
Support plate 108 can be enabled to move upwards required height h without rotating a complete cycle, to push the material returned pin 107 in support plate 108
Movement, so that means of complementary annular part draws off combination pressing mold 1.
Fig. 6 shows the cross-sectional view of combination pressing mold 1 according to the present utility model.Combining pressing mold 1 includes the first pressing plate 4 and second
Pressing plate 5, and the internal model 2 and external mold 6 installed between first pressing plate 4 and second pressing plate 5.Internal model 2 includes by more
Two cones that the hollow conical ring of a stacking is constituted.External mold 6 includes multiple sliding blocks 14, is limited for contacting annular element inner surface
Working face S.Cone limits multiple circumferentially spaced slideways, so as to slidably receive multiple sliding blocks 14.Using multiple layers
The purpose of folded hollow conical ring be by replace various sizes of hollow conical ring (such as hollow conical ring a is removed, and
The side opposite with hollow conical ring a of hollow conical ring b is arranged bigger hollow conical ring c) and changes the size of internal model 2.
Inner sleeve 3 is installed along central axis X in internal model 2.Inner sleeve 3 includes the inner sleeve gasket 7 of multiple stackings, inner sleeve basis
Ring 8 and the larger-sized positioning ring 9 compared with inner sleeve gasket 7 and inner sleeve foundation ring 8.Positioning ring 9 is radially inserted into internal model 2,
With by internal model 2 and 3 axial restraint of inner sleeve.Inner sleeve 3 is bolted to the first pressing plate 4 and the second pressing plate 5.It should be noted that
It is that inner sleeve 3 can also only be bolted to the first pressing plate 4 or only be bolted to the second pressing plate 5.
It is described herein the specific operation process of clamping and the material returned of the annular element on combination pressing mold 1.
First clamping component 121 acts on the first pressing plate 4, and the second clamping component 122 acts on the second pressing plate 5.
It will be immersed in heat treatment solution in the case where needing for annular element to be clamped on combination pressing mold 1, such as in combination pressing mold 1
Before operating mode, the first clamping component 121 and the second clamping component 122 utilization machine driving (are in this embodiment
Utilize turbine and worm) or hydraulic drive it is close to each other so that the first pressing plate 4 and the second pressing plate 5 are close to each other, with clamping ring
Shape part.In the case where needing to unclamp annular element the material returned operation in order to next carry out, such as in combination pressing mold 1
Before leaving the discharging mode of heat treatment solution, the first clamping component 121 and the second clamping component 122 using machine driving (
It is to utilize turbine and worm in this embodiment) or hydraulic drive is away from each other, so that the first pressing plate 4 and the second pressing plate 5
Away from each other, annular element is unclamped.
In discharging mode, annular element need to be removed from combination pressing mold 1.Annular element after the heat treatment can be due to itself
Stress and shrink, to need to overcome annular element that can remove annular element with the frictional force combined between pressing mold 1.It is moving back
After material pin 107 ejects annular element, annular element is only separated with the lower half portion for combining pressing mold 1, and due to the reason of frictional force
Still tighten together with the top half for combining pressing mold 1.At this time relative to the first clamping component 121 and also relative to the first pressure
The jigger pin 123 that plate 4 remains stationary acts on annular element along central axis X so that annular element with combine the upper of pressing mold 1
Half part separation.Thus annular element is able to remove from combination pressing mold 1.
Fig. 7 shows the cross-sectional view in another direction of internal model and external mold in the combination pressing mold of Fig. 6.Slideway is equally spaced from each other
It is spaced apart and extends along central axis X.The section of slideway is T-type or other shapes, wherein wider part is close to central axis
Line X, and it is relatively narrow partially away from central axis X.Sliding block 14 includes the protrusion 21 being mounted in slideway in form-fit fashion.
Sliding block 14 is provided with operation block 15 on the surface opposite with internal model 2.Intake chute is existed that serve as between adjacent operation block 15
Heat treatment efficiency is improved to promote contact of the heat treatment solution with workpiece during heating treatment in gap.The operation block 15 of sliding block 14
Periphery limit working face S.Sliding block 14 is made of the slider component of multiple stackings.Using the purpose of the slider component of multiple stackings
It is (such as to remove slider component d, and in slider component e and slider component d phase by replacing different slider component
Anti- side is arranged bigger slider component f) and changes the size of external mold 6.
Combining pressing mold 1 has first mode and second mode.In the first mode, the first pressing plate 4 and the second pressing plate 5
Internal model 2 is compressed, so that internal model 2 is fixed between the first pressing plate 4 and the second pressing plate 5;External mold 6 is generated by means of internal model 2
The reaction force of workpiece convergent force is resisted, so that working face S is stationary, prevents annular element when heat treatment from shrinking.Second
In mode, it can be expanded or shunk by replacing various sizes of hollow conical ring and/or sliding block 14, working face S, to be adapted to difference
The annular element of specification.According to optional embodiment, internal model 2 includes by multiple on the surface of the close central axis X of slideway
The needle roller bearing plate (not shown) that roller is constituted, the sliding when material returned to assist sliding block 14.
After first mode (such as quenching process) terminates, combination pressing mold 1 enters second mode.First pressing plate 4 and
Two pressing plates 5 no longer compress internal model 2, and the convergent force that workpiece generates in the first mode at this time is on external mold 6 and the contact surface of internal model 2
The axial thrust load along central axis X is generated, so that external mold 6 is detached from workpiece.It, can be only by means of less by means of above structure
Auxiliary operation is detached from workpiece and external mold 6, to reduce workpiece in a second mode since auxiliary operation (such as passes through the material returned
The power that device 18 applies) and the deformation of generation.
Fig. 8 shows the cross-sectional view of another embodiment of combination pressing mold 1 according to the present utility model.With the embodiment party of Fig. 6
The difference of formula is that internal model 2 only includes a centrum.
Fig. 9 a shows the cross-sectional view of another embodiment of combination pressing mold 1 according to the present utility model.The embodiment party of Fig. 9 a
The difference of formula and the first embodiment of Fig. 6 is that sliding block 14 is connected with angle-regulating block 16, with limit working face S relative to
The angle [alpha] of central axis X.
The front view and side view of angle-regulating block 16 is shown respectively in Fig. 9 b and 9c.Groove, angle are equipped on sliding block 14
Adjusting block 16 includes being capable of pivotally received cylindrical portion in groove.It is additionally provided between sliding block 14 and angle-regulating block 16
Bolt and wedge block 17, so that sliding block 14 is fixed relative to angle-regulating block 16.
Fig. 9 d shows the side view of another angle-regulating block 16 '.Another angle-regulating block 16 ' is wedge shape, and is led to
Bolt fastening is crossed to sliding block 14.
Figure 10 shows the cross-sectional view of another embodiment of combination pressing mold 1 according to the present utility model.The embodiment party of Figure 10
The difference of formula and the embodiment of Fig. 9 a is that internal model 2 only includes a centrum.
Figure 11 shows the cross-sectional view of another embodiment of combination pressing mold 1 according to the present utility model.The embodiment party of Figure 11
The difference of formula and the embodiment of Fig. 9 a is, multiple radial slides is limited in the first pressing plate 4 and the second pressing plate 5, so as to energy
It is enough slidably to receive the multiple sliding block 14.
Figure 12 shows the top view of the first pressing plate 4 in the combination pressing mold of Figure 11.Slideway is equally angularly spaced each other, and
Radially extending outwardly (the case where the first pressing plate 4 are only shown in Fig. 7) from the first pressing plate 4 and the second pressing plate 5 respectively, and
And section is T-type (not shown), wherein it is wider partially away from sliding block 14, and relatively narrow part is close to sliding block 14.
Figure 13 shows the cross-sectional view of another embodiment of combination pressing mold 1 according to the present utility model.The embodiment party of Figure 13
The difference of formula and the embodiment of Figure 11 is that material returned pin 107 and jigger pin 123 not act on annular element, but make respectively
Lower half portion and top half for internal model 2, and combine pressing mold 1 and be also provided between the first pressing plate 4 and the second pressing plate 5
For adapting to the combined type gasket 19 of different annular element height.The lower half portion of internal model 2 and top half pass through fixed spiral shell respectively
Bolt 125 and the gasket group 124,127 that can adjust thickness are fixed in inner sleeve 3, will pass through the gasket group of replacement different-thickness
124,127 adjust the axial position of the lower half portion of internal model 2 and top half, so that working face S is expanded or shunk, realize and are suitble to
In the purpose for the annular element that processing radial dimension changes in a small range.
In discharging mode, annular element need to be removed from combination pressing mold 1.In material returned pin 107 by the lower half portion of internal model 2
After ejection, due to slidably contacting between internal model 2 and external mold 6, the lower half portion of external mold 6 in annular element and surrounds external mold
The lower lower half portion with internal model 2 of the convergent force effect of the circlip 126 of 6 settings is gradually staggered, so that the lower half portion of external mold 6
It no longer resists the convergent force of annular element and is separated with annular element.At this time due to the reason of frictional force, annular element still with combine pressing mold 1
Top half tighten together.The jigger pin 123 remained stationary relative to the first pressing plate 4 is then acted on along central axis X
In gasket group 127 and inner sleeve 3, so that gasket group 127 and inner sleeve 3 are lifted off 5 one sections of small distances of the second pressing plate (in this embodiment party
In formula, the bolt that inner sleeve 3 is fixed to the second pressing plate 5 is arranged so that inner sleeve 3 can leave 5 one sections of narrow spacings of the second pressing plate
From).Since the top half (sliding block 14) of external mold 6 is slidably received in the slideway of the second pressing plate 5, and internal model 2 and outer
It is slidably contacted between mould 6, the top half of external mold 6 is upper with internal model 2 under the effect of the convergent force of annular element and circlip 126
Half part is gradually staggered, so that the top half of external mold 6 is no longer resisted the convergent force of annular element and separated with annular element.Ring
Shape part is able to remove from combination pressing mold 1.
Figure 14 shows the cross-sectional view of another embodiment of combination pressing mold 1 according to the present utility model.Combining pressing mold 1 includes
First pressing plate 4, the second pressing plate 5, and the taper internal model 52 and external mold 6 installed between the first pressing plate 4 and the second pressing plate 5.Outside
Mould 6 includes the multiple circumferentially spaced sliding blocks 14 contacted with internal model 52.Taper internal model 52 is fixed relative to the second pressing plate 5.First
Pressing plate 4 includes the guide structure 18 moved radially for guide shoe 14.Sliding block 14 is limited for contacting annular element inner surface
Working face S.Combining pressing mold 1 further includes that fixed cushion block 53 is contacted between taper internal model 52 and the first pressing plate 4.Combine pressing mold 1
With first mode and second mode.In the first mode, the first pressing plate 4 can not be moved relative to the second pressing plate 5, so that
Working face S is stationary.In a second mode, the first pressing plate 4 can be moved relative to the second pressing plate 5, will pass through replacement not
Cushion block 53 with size expands or shrinks working face S.