CN208483168U - Pressure riveting device - Google Patents
Pressure riveting device Download PDFInfo
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- CN208483168U CN208483168U CN201821207073.8U CN201821207073U CN208483168U CN 208483168 U CN208483168 U CN 208483168U CN 201821207073 U CN201821207073 U CN 201821207073U CN 208483168 U CN208483168 U CN 208483168U
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- drive rod
- riveting device
- inner tube
- pressure riveting
- presses
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Abstract
This application involves a kind of pressure riveting devices, comprising: direct-driving motor, the direct-driving motor has mutually matched stator and rotor, and the stator is located at the periphery of the rotor so that the rotor rotation is operably driven；Drive rod, the drive rod have the drive part for being fixedly connected to the rotor, and the screw part outside the direct-driving motor；Wherein, the drive rod have pivot center, and the drive rod can be driven by the direct-driving motor and around the pivot axis；Nut, the nut are operably mounted into the screw part of the drive rod, and are configured to respond to the drive rod and axially move around the rotation of the pivot center along the screw part；And the head assembly that presses, the head assembly that presses are fixedly joined on the nut, and are configured as that the nut is followed to move along the axial movement of the screw part, to carry out the processing that presses.
Description
Technical field
This application involves riveting technologies, more particularly, to a kind of pressure riveting device.
Background technique
Pressing is a kind of clinching method that heading is formed using the static pressure jumping-up rivet bar that squeeze riveter generates.The riveting to press
Fitting has the characteristics that surface quality is good, deformation is small, bonding strength is high, thus it is widely used in various machining necks
Domain, such as shipbuilding, automobile manufacture etc..However, the inner space of workpiece to be added is limited, and traditional under some processing environments
Pressure riveting device usually has longer axial length, thus is not suitable for being operated in this kind of narrow working space.
Utility model content
This application provides a kind of pressure riveting devices with compared with short axial length, can be suitble in narrow working space
In operated.
In the one aspect of the application, a kind of pressure riveting device is provided, comprising: direct-driving motor, it is described to directly drive
Motor has mutually matched stator and rotor, and the stator is located at the periphery of the rotor with described in being operably driven
Rotor rotation；Drive rod, the drive rod have the drive part for being fixedly connected to the rotor, and are located at described direct
Screw part outside driving motor；Wherein, the drive rod has pivot center, and the drive rod can be by described straight
Connect driving motor driving and around the pivot axis；Nut, the nut are operably mounted into the drive rod
Screw part, and it is axial along the screw part around the rotation of the pivot center to be configured to respond to the drive rod
Ground is mobile；And the head assembly that presses, the head assembly that presses is fixedly joined on the nut, and is configured as following
The nut along the screw part axial movement and move, to carry out the processing that presses.
In some embodiments, the drive rod is integrally formed.
In some embodiments, the drive rod further includes the company between the drive part and the screw part
Socket part point, the drive part of the drive rod and the coupling part are fixedly connected to each other together by shaft coupling.
In some embodiments, the drive rod only extends from the side of the rotor, and the screw part is located at institute
Drive rod is stated from the part that the rotor extends.
In some embodiments, the direct-driving motor is permanent magnet synchronous motor.
In some embodiments, the drive rod further includes the company between the drive part and the screw part
Socket part point, and the pressure riveting device further include: sleeve, the sleeve are fixedly joined to the direct-driving motor, and
And with the coupling part and the hollow cavity of screw part for accommodating the drive rod；And bearing assembly, it is described
Bearing assembly is used to support the drive rod and rotates around the pivot center between the drive rod and the sleeve.
In some embodiments, the head assembly that presses includes: inner tube, and said inner tube set is connected to the lead screw of the drive rod
Partial periphery, said inner tube have the first end and second end opposite along its axial direction, wherein the first end is fixedly
It is connected on the nut, and the second end is for installing the head that presses.
In some embodiments, said inner tube has the limit plate for being located at its outer wall and being circumferentially arranged along said inner tube, institute
State second end preset distance of the limit plate apart from said inner tube, the head assembly that presses further include: outer tube, the outer tube are removable
It is nested between the sleeve and said inner tube dynamicly, the outer tube and said inner tube are in the axial direction at least portion of the pivot center
Divide ground overlapping；Guide sleeve, the guide sleeve is fixed in the outer tube close to one end of the head that presses, and has pilot hole, institute
State pilot hole be configured to accommodate described in press head and the axial movement of head of pressing described in guiding；Elastic component is located at described outer
Between the guide sleeve of pipe and the limit plate of said inner tube, the elastic component be used for so that said inner tube relative to the outer tube in relaxation
It is moved between position and compacted position；In the compacted position, the elastic component applies pretightning force to the guide sleeve.
In some embodiments, the elastic component includes between the outer tube and said inner tube along said inner tube
The multiple groups spring and guide post being distributed circumferentially-spacedly, and the limit plate includes the corresponding multiple through-holes being spaced apart,
In each spring be set in corresponding guide post periphery；One end of each guide post is fixedly attached on the guide sleeve and it is another
One end is slidably disposed through corresponding through-hole on the limit plate, and the both ends of each spring are born against in the limit plate
On the guide sleeve.
In some embodiments, the head assembly that presses further include: outer tube, the outer tube are movably nested in described
Between sleeve and said inner tube, the outer tube is at least partly be overlapped in the axial direction of the pivot center with said inner tube；Guide sleeve,
The guide sleeve is fixed in the outer tube close to one end of the head that presses, and has pilot hole, and the pilot hole is configured
Press head and the axial movement of head of pressing described in guiding described in receiving；Elastic component, be located at the outer tube and said inner tube it
Between, the elastic component is used for so that said inner tube moves between relaxation position and compacted position relative to the outer tube；Institute
Compacted position is stated, the elastic component applies pretightning force to the guide sleeve.
In some embodiments, the inner wall of the outer tube and the outer wall of said inner tube are respectively provided with lug boss, the elasticity
The both ends of part are separately mounted on the lug boss.
In some embodiments, the elastic component is disc spring.
The above are the general introductions of the application, may there is the case where simplification, summary and omission details, therefore those skilled in the art
Member is it should be appreciated that the part is only Illustrative, and is not intended to restriction the application range in any way.This general introduction portion
Point be both not intended to determine the key features or essential features of claimed subject, nor be intended as determination it is claimed
The supplementary means of the range of theme.
Detailed description of the invention
By following description and appended claims and in conjunction with attached drawing, it will be more fully clearly understood that this
Apply for the above and other feature of content.It is appreciated that these attached drawings depict only several embodiments of teachings herein, because
This is not considered as the restriction to teachings herein range.By using attached drawing, teachings herein will obtain definitely and
It explains in detail.
Fig. 1 to Fig. 4 shows the schematic diagram of the pressure riveting device 100 according to the application one embodiment；Wherein, Fig. 1 is this
The appearance diagram of pressure riveting device 100；Fig. 2 is the axial cross-sectional views that the pressure riveting device 100 is in original state；Fig. 3 is
The pressure riveting device 100 is in the axial cross-sectional views for the state that presses；Fig. 4 is the explosive view of the pressure riveting device 100；
Fig. 5 to Fig. 6 shows the schematic diagram of the pressure riveting device 200 according to the application another embodiment；Wherein, Fig. 5 is
The axial cross-sectional views of the pressure riveting device 200；Fig. 6 is the explosive view of the pressure riveting device 200；
Fig. 7 to Fig. 9 shows the schematic diagram of the pressure riveting device 300 according to the application another embodiment；Wherein, Fig. 7 and
Fig. 8 is the axial cross-sectional views that the pressure riveting device 300 is respectively at original state and the state that presses；Fig. 9 is the pressure riveting device
300 explosive view.
Specific embodiment
In the following detailed description, with reference to the part thereof of attached drawing of composition.In the accompanying drawings, the usual table of similar symbol
Show similar component part, unless otherwise indicated by context.Illustrative reality described in detailed description, drawings and claims
The mode of applying is not intended to limit.It, can be using other implementations without departing from the spirit or scope of the theme of the application
Mode, and other variations can be made.It is appreciated that can describing to generality in the application, diagram is said in the accompanying drawings
The various aspects of bright teachings herein carry out a variety of differently composed configurations, replacement, combination, design, and all these all bright
Really constitute a part of teachings herein.
Fig. 1 to Fig. 4 shows the schematic diagram of the pressure riveting device 100 according to the application one embodiment.Wherein, Fig. 1 is this
The appearance diagram of pressure riveting device 100；Fig. 2 is the schematic diagram that the pressure riveting device 100 is in original state；Fig. 3 is the dress that presses
Set 100 schematic diagrames in the state that presses；Fig. 4 is the explosive view of the pressure riveting device 100.In some implementations, the pressure riveting device
100 are designed to automation or Semi-automatic device, provide power by external power supply or built-in power, and for to be processed
Part carries out the processing that presses.
Specifically, it as shown in Fig. 2, the pressure riveting device 100 includes direct-driving motor 102, provides and presses for driving
The driving force of the head work that presses of device 100.The direct-driving motor 102 includes electric machine casing 104, and is fixed on motor casing
Stator 106 and rotor 108 in body 104.In some embodiments, stator 106 is located at the periphery of rotor 108, such as stator 106
It is configured to multiple permanent magnets being equally spaced or electromagnetic coil winding.Similarly, rotor 108 also may be constructed such that one
A or multiple permanent magnets or electromagnetic coil winding.Stator 106 and rotor 108 cooperate, so that rotor 108 is by driving and around it
Center axis thereof.
In some embodiments, direct-driving motor 102 is permanent magnet synchronous motor.For example, rotor 108 is configured to one forever
Magnet, and stator 106 is then configured to electromagnetic coil winding.At work, electromagnetic coil wound stator 106 accesses electric current, example
Such as three-phase symmetrical electric current, to generate rotating excitation field inside electric machine casing 104.Correspondingly, PM rotor 108 is in the rotation
It is rotated by electromagnetic force around central shaft in magnetic field.Use permanent magnet construct rotor 108 advantage be can be with
Rotor 108 is configured to the disc type shape of relative flat, this is conducive to reduce rotor 108 and direct-driving motor 102 is whole
The axial dimension of body.Different from the radial magnetic field of conventional motor, the magnetic field that disc type electric machine generates is axial magnetic field.Axial magnetic field electricity
Machine has biggish power-weight ratio and length to diameter ratio, it is thus possible to effectively reduce the overall weight and axial direction of pressure riveting device
Length.In some embodiments, the diameter of rotor 108-axial length ratio can be 1:1 to 10:1, preferably 2:1 to 4:1.?
In some embodiments, the diameter of rotor 108 is 100 to 500 millimeters, preferably 250 to 350 millimeters, such as 300 millimeters.One
In a little embodiments, the axial length of rotor 108 is 50 to 250 millimeters, preferably 80 to 150 millimeters, such as 100 millimeters.One
In a little embodiments, the ratio between axial length and the axial length of pressure riveting device 100 of rotor 108 can be 1:5 to 1:20, preferably
1:8 to 1:15.
Pressure riveting device 100 further includes drive rod 110, with first end 112 and opposite with the first end 112 second
End 114.According to the difference of position, drive rod 110 includes at least the drive part 116 close to first end 112, close to second
The screw part 118 at end 114 and the coupling part 120 between drive part 116 and screw part 118.
Specifically, drive part 116 is fixedly joined on rotor 108, so that drive rod 114 can be direct
Driving motor 102 directly drives, and follow rotor 108 rotate and synchronously around the pivot axis of its own.It is this direct
Driving setting can to avoid the use of the transmission mechanisms such as such as gear set, speed reducer, belt, the transmission path of power and energy compared with
It is short, thus transmission efficiency can be effectively improved.In addition, the axial direction that shorter transmission path also can reduce pressure riveting device is long
Degree.In an embodiment as illustrated in figure 2, rotor 108 has the centre bore in region at its center, and drive part 116 is quilt
It is fixed in the centre bore by retention mechanism.Retention mechanism is, for example, the fastening nut or nut of centrally disposed hole side
122, there is the screw thread to match with the first end 112 of drive rod 110.Under this connection type, the central axis of rotor 108
It is conllinear with the pivot center of drive rod 110.
Other than the drive part 116 being generally located in direct-driving motor 102, the coupling part 120 of drive rod 110
It is respectively positioned on outside direct-driving motor 102 with screw part 118.Pressure riveting device 100 may include sleeve 124, by fixedly
It is connected to direct-driving motor 102.Sleeve 124 has hollow cavity, the coupling part 120 of drive rod 110 and screw part 118
It is arranged in the hollow cavity.In some embodiments, sleeve 124 has cylindrical shape, and diameter is less than direct
The diameter of driving motor 102.In further embodiments, sleeve 124 can also be at it close to one end of direct-driving motor 102
With enlarged, diameter of the diameter of the enlarged substantially with the electric machine casing 104 of direct-driving motor 102 matches,
So that sleeve 124 can be more stably mounted on electric machine casing 104.
124 one side of sleeve is used to protect and close drive rod 110, on the other hand can be on the inner wall of sleeve 124
Bearing assembly 126 is set.Bearing assembly 126 is used to support drive rod 110 around rotation between drive rod 110 and sleeve 124
The rotation of axis.Bearing assembly 126 can reduce coefficient of friction when drive rod 110 rotates, and can guarantee drive rod 110
Rotation precision and stability.
In Fig. 2 the embodiment described, drive rod 110 is integrally formed.Integral structure helps to reduce whole knot
The complexity of structure, so as to shorten the axial length of pressure riveting device 100.In some other embodiments, drive rod 110 can also be with
Not instead of integral structure, the bar separated by two sections link together.For example, the drive part 116 of drive rod 110 can be
The output shaft of direct-driving motor 102, to be provided together with direct-driving motor 102.In this way, according to the specific of pressure riveting device
The difference of specification can be equipped with the direct-driving motor 102 of different capacity.In some embodiments, drive part can be with company
Socket part point is fixedly connected to each other together by shaft coupling, and this two parts is coaxial, namely with pivot center for its axis
Line.
In order to reduce the axial length of pressure riveting device 100, drive rod 110 only extends from the side of rotor 108, such as drives
Extend with screw part 118 from the right side of rotor 108 shown in Fig. 2 the coupling part 120 of lever 110.It is appreciated that one
In a little implementations, drive rod 110 can also extend from the two sides of rotor 108.In that case it is preferable that screw part 118
Extend from the first side, and another part corresponding with bearing assembly extends out from second side and matches with bearing assembly.
This structure can be to avoid the waste of 110 axial length of drive rod.
With reference to Fig. 1, the sleeve 124 of pressure riveting device 100 is located at the side of direct-driving motor 102, wherein accommodating driving
A part of bar (not shown), and the head assembly 130 that presses.As can be seen that this design structure is compact, advantageously shortens and press
The axial length of device 100.
Referring still to shown in Fig. 2, pressure riveting device 100 further includes nut 128, is operably mounted into drive rod 110
Screw part 118.When drive rod 110 is around pivot axis, nut 128 can correspondingly along screw part 118 axially
It is mobile, so that the rotational motion of direct-driving motor 102 to be converted to axial linear movement.It is appreciated that being limited to lead screw
The stroke of the length of part 118, the axial movement of nut 128 is limited.In Fig. 2, nut 128 is generally located at its initial bit
It sets, does not carry out the processing that presses；And in Fig. 3, nut 128 is mobile to the second end 114 of drive rod 110, and substantially reaches it
The final position (length depending on screw part 118) of stroke, at this moment pressure riveting device 100 can pass through the head assembly 130 that presses
The processing that presses is carried out to machined part.
The head assembly that presses 130 is fixedly attached on nut 128, so that it can follow nut 128 along screw part
118 axial movement and move, and then realize the processing that presses to machined part.Specifically, the head assembly that presses 130 includes inner tube
132, it is fixed on nut 128.In the embodiment shown in Figure 2,132 sets of the inner tube peripheries for being connected to screw part 118, and
And including the first end 134 and second end 136 opposite along its axial direction.Wherein, first end 134 is fixedly joined to nut
On 128, and first end 136 then presses first 138 for installing.The first end 134 of inner tube 132 has relatively large diameter, and
And the space between sleeve 124 and nut 128 is occupied substantially；The nut 128 and second end 136 of inner tube 132 is not directly connected, because
And it can have relatively small diameter, such as second end 136 can be close to the of screw part 118 and drive rod 110
The outer wall at two ends 114.In some embodiments, inner tube 136 can have tapered portion 140 to connect its first end 134 and
Two ends 136.In this way, there are certain lengths between the outer wall and sleeve 124 of inner tube 132 at the second end 136 of inner tube 132
Gap 142.
In some embodiments, the head assembly that presses 130 be used for press handle before compress the preload component of workpiece to be added.It should
It pre-tightens component and constantly applies in advance to workpiece to be added at the time of being handled when the head assembly 130 that presses starts mobile until pressing
Clamp force, to avoid the positional fault that presses caused by because of workpiece to be added movement.Specifically, which includes outer tube 144,
It is movably socketed between sleeve 124 and inner tube 132, namely is located in gap 142.Outer tube 144 and inner tube 132 can be with
It is at least partly overlapped in the axial direction of pivot center.
Pre-tighten component further include guide sleeve 146, be fixed on outer tube 144 close to press first 138 one end, and have use
In accommodate press first 138 and guide press it is first 138 axial movement pilot holes.Inner tube 132, which also has, is located at its outer wall and edge
The limit plate 148 that inner tube 132 is circumferentially arranged, wherein second end 136 preset distance of the limit plate 148 apart from inner tube 132.Some
In embodiment, limit plate 148 can be set to the shape of annular.Pre-tightening component further includes being located at limit plate 148 and guide sleeve 146
Between elastic component 150, specifically, the both ends of the elastic component 150 are born against on limit plate 148 and guide sleeve 146.Due to bullet
The elasticity of property part 150, inner tube 132 can axially move between relaxation position and compacted position relative to outer tube 144.It is pressing
When tight position, due to the movement of inner tube 132 and limit plate 148, elastic component 150 applies via guide sleeve 146 to workpiece to be added pre-
Clamp force.In relaxation position, elastic component 150 is in relaxed state, thus pre-tightens component and do not apply pretightning force to workpiece to be added.
As can be seen that for embodiment shown in Fig. 2, used by pre-tighten component and installation press first 130 inner tube
132 be at least partly to be connected in parallel in axial overlap namely the two.It connects compared to used by traditional pressure riveting device
Formula pre-tightens component, this to be connected in parallel the axial length for helping further to shorten pressure riveting device 100, and stability is also more
It is good.
In some embodiments, end cap (not shown) can also be detachably connected on guide sleeve 146, be used for by
Guide sleeve 146 is arranged wherein, and is abutted directly against on workpiece to be added when pressing and handling.
In some embodiments, elastic component 150 may include one group of spring being distributed circumferentially-spacedly along inner tube 132,
The both ends of each spring are born against on limit plate 148 and guide sleeve 146.These springs can provide axial pretightning force.?
In some preferred embodiments, elastic component 150 can also include guide post 152 corresponding with spring, wherein each spring is arranged
On corresponding guide post 152.Specifically, limit plate 148 includes the multiple through-holes 154 being spaced apart corresponding with spring；Each
One end of guide post 152 is fixedly attached on guide sleeve 146, and the other end be slidably disposed through on limit plate 148 correspond to it is multiple
Through-hole 154.In this way, when the springs are compressed, the axial length of spring shortens, guide post 152 can pass through through-hole 154 and to inner tube
132 first end 134 is mobile, but guide post 152 will not contact the tapered portion 140 of inner tube 132.In some embodiments, guide post
152 outside can be arranged with polyurethane housing, to increase its wearability.
It should be noted that the front of guide sleeve 146 does not install end cap in Fig. 2 and embodiment shown in Fig. 3.In reality
In, the front of guide sleeve 146 will be installed end cap, and when elastic component 150 is in relaxed state, end cap should along axially beyond
First 138 are pressed, so as to compress component to be processed in advance to provide preload effect.
Still referring to FIG. 2, in some embodiments, being offered on sleeve 124 along its axially extending guide groove, nut 128
On be permanently connected finite place piece, which is plugged in guide groove with being slidably matched, and can guarantee nut 128 in silk in this way
It will not be rotated around own axes when being moved on thick stick part 118, so that it is guaranteed that the head assembly 130 that presses is made with the movement of nut 128
It moves axially in reciprocal fashion.It preferably, can be in arranged circumferentially spaced multiple mutually matched limits of sleeve 124 and nut 128
Position part and guide groove.
In some implementations, pressure riveting device 100 further includes displacement sensor comprising sensor body 158 and magnet ring
160.Sensor body 158 is located at outside sleeve 124, and is configured to elongated rod shape structure.Magnet ring 160 is fixed in nut 128
And it is moved with the movement of nut 128.In this way, can determine position of the nut 128 in sleeve 124 by displacement sensor
Set, thus know press first 138 position.In some embodiments, pressure riveting device 100 further include pressure sensor (in figure not
Show), monitoring driving bar 110 is used for along axial stress, to know the axial compressive force for first 138 output that presses.Root
According to displacement sensor and pressure sensor to first 138 displacement and the detection of power output of pressing, the work of pressure riveting device can be known
Make state, processing quality is monitored to pressing.
The course of work of lower the present embodiment is illustrated in detail below:
Referring to figs. 2 and 3 shown in, when need to carry out pressing to machined part process when, by the head that presses of pressure riveting device 100
Position to be processed on 138 alignment workpiece to be added.Direct-driving motor 102 works, and the rotation of mover 108 drives drive rod 110
Synchronous rotary drives inner tube 132 so that nut 128 travels forward along the length direction of screw part 118 towards workpiece to be processed
With the first 138 synchronously straight forward movements therewith that press.During this period, under the action of elastic component 150, outer tube 144 is continuous
Ground pushes forward and gradually relative sleeve 124 skids off forward, until 144 front end of outer tube end cap (not shown) be resisted against to
On workpiece.Later, drive rod 110 continues to rotate and nut 128 is driven to move forward, and elastic component 150 is compressed continuously
Deformation, so that end cap and outer tube 144 constantly apply pressing force to workpiece to be added, so that workpiece to be added is secured in a press.Finally,
Nut 128 moves forward, and first 138 moves forward so that pressing and contacts workpiece to be added and realize the processing that presses.
After the completion of pressing, direct-driving motor 102 reversely rotate and drive nut 128 along screw part 118 far to
Workpiece moves backward, and inner tube 134 and work head 138 retract movement backward, elastic component 150 gradually to the reply of its relaxation position,
So that outer tube 144 and end cap unclamp pressuring action to machined part.Later, nut 128 continues to retract, and passes through elasticity
Part 150 drives outer tube 144 to retract into sleeve 124 and is reset to original state shown in Fig. 2.
In some embodiments, depending on the difference and other structures parameter designing of 102 power of direct-driving motor,
Pressure riveting device can provide such as 1 ton to 20 tons, or preferably 5 tons to 15 tons of the power that presses.In some embodiments, it depends on
The parameters such as the elasticity of elastic component, pressure riveting device can provide 200 to 1000 kilograms of pretightning force, preferably 400 to 1000 kilograms
Pretightning force.As can be seen that compared to existing pressure riveting device, the pressure riveting device of the application while reducing axial length,
It is capable of providing and the quite even greater power of the prior art.
Fig. 5 to Fig. 6 shows the schematic diagram of the pressure riveting device 200 according to the application another embodiment；Wherein, Fig. 5 is
The axial cross-sectional views of the pressure riveting device 200；Fig. 6 is the explosive view of the pressure riveting device 200.
As shown in Figure 5 and Figure 6, it is different from pressure riveting device 100 shown in Fig. 1 to Fig. 4, the drive rod of the pressure riveting device 200
210 drive part 216 and screw part 218 are two components of difference, are passed through in the coupling part of drive rod 210 220
Shaft coupling 221 interconnects.Correspondingly, the sleeve of pressure riveting device 200 is also substantially configured to two parts 224a and 224b,
Wherein first part 224a is connected on the motor case 204 of direct-driving motor 202, and second part 224b is then used to accommodate
Screw part 218, coupling part 216, bearing assembly 226 and the head assembly 230 that presses of drive rod 210.About pressure riveting device
200 other components and its working method can describe, herein referring to figs. 1 to the corresponding of pressure riveting device 100 shown in Fig. 4
It repeats no more.
Fig. 7 to Fig. 9 shows the schematic diagram of the pressure riveting device 300 according to the application another embodiment；Wherein, Fig. 7 and
Fig. 8 is the axial cross-sectional views that the pressure riveting device 300 is respectively at original state and the state that presses；Fig. 9 is the pressure riveting device
300 explosive view.
As shown in Figure 7 to 9, different from using the more of circumferentially-spaced distribution in pressure riveting device 100 shown in Fig. 1 to Fig. 4
A spring is as elastic component, and the pressure riveting device 300 is using single spring as elastic component.Specifically, the set of pressure riveting device 300
It is provided with lead screw 318 in cylinder 324, the driving of motor 302 is driven directly and rotates about axis rotation.Spiral shell is arranged on lead screw 318
Mother 328, when lead screw 318 rotates, nut 328 can be moved along rotation axis.In this way, being fixedly connected on the inner tube on nut 328
332 can move axially together.
Spring 350 is set between inner tube 332 and outer tube 344, for flexibly passing between inner tube 332 and outer tube 344
Pass power.In the example shown in Fig. 7 to 8, spring 350 is substantially in hollow tubular structure, and inner tube 332, spring 350 and outer
The outer diameter of pipe 344 is incremented by.Wherein, there is protrusion 333 on the outer wall of inner tube 332, such as annular protrusion, and outer tube 344
Inner wall has protrusion 345, and the both ends of spring 350 are separately mounted on the two protrusions 333 and 345.In this way, working as nut
328 be driven toward workpiece (not shown) to be added it is mobile when, it is interior such as when original state shown in Fig. 7 starts mobile
Pipe 332, spring 350 and outer tube 344 can move axially together, until reaching the state shown in Fig. 8 that presses.As shown in figure 8,
Inner tube 332 and outer tube 344 are from the stretching a distance of sleeve 324, and the guide sleeve 346 of 344 end of outer tube contacts workpiece to be added at this time, and
And workpiece to be added is gradually compressed as inner tube 332 further moves axially.At this point, outer tube 344 stops towards workpiece to be added
It is mobile, and inner tube 332 then continues to be driven toward workpiece axial movement to be added, and compressed spring 350, until pressing first 338
Pilot hole across its front end contacts workpiece to be added and carries out the processing that presses to it.It is appreciated that when stopping presses and handles, it is interior
Pipe 332 is mobile far from workpiece to be added, and spring 350 is gradually restored to its relaxed state, and later outer tube 344 also far to be processed
Part is mobile.
In some embodiments, spring 350 can use helical spring.In further embodiments, spring 350 can also be with
It is disc spring.Particularly, for disc spring, its maximum can be adjusted by decreasing or increasing the wherein quantity of disk and/or thickness
Compression distance and corresponding elastic force, therefore it is particularly suitable for the head assembly use that presses.
It should be noted that although being referred to several modules or submodule of pressure riveting device in the above detailed description, this
It kind divides and to be only exemplary rather than enforceable.In fact, according to an embodiment of the present application, above-described two or more
The feature and function of multimode can embody in a module.Conversely, the feature and function of an above-described module
It can be to be embodied by multiple modules with further division.
The those skilled in the art of those the art can pass through research specification, disclosure and attached drawing and appended
Claims, understand and implement other changes to the embodiment of disclosure.In the claims, word " comprising " is not arranged
Except other elements and step, and wording " one ", "one" be not excluded for plural number.In the practical application of the application, one zero
The function of cited multiple technical characteristics in the possible perform claim requirement of part.Any appended drawing reference in claim should not manage
Solution is the limitation to range.
Claims (12)
1. a kind of pressure riveting device, which is characterized in that the pressure riveting device includes:
Direct-driving motor, the direct-driving motor has mutually matched stator and rotor, and the stator is located at institute
The periphery of rotor is stated so that the rotor rotation is operably driven；
Drive rod, the drive rod has the drive part for being fixedly connected to the rotor, and directly drives positioned at described
The screw part of outside motor；Wherein, the drive rod has pivot center, and the drive rod can be by the direct drive
Dynamic motor driven and around the pivot axis；
Nut, the nut are operably mounted into the screw part of the drive rod, and are configured to respond to described
Drive rod around the pivot center rotation and axially moved along the screw part；And
Press head assembly, and the head assembly that presses is fixedly joined on the nut, and is configured as following the spiral shell
Mother along the screw part axial movement and move, to carry out the processing that presses.
2. pressure riveting device according to claim 1, which is characterized in that the drive rod is integrally formed.
3. pressure riveting device according to claim 1, which is characterized in that the drive rod further includes being located at the drive part
With the coupling part between the screw part, the drive part of the drive rod and the coupling part are mutual by shaft coupling
It is permanently connected together.
4. pressure riveting device according to claim 1, which is characterized in that the drive rod only extends from the side of the rotor
Out, the screw part is located at the drive rod from the part that the rotor extends.
5. pressure riveting device according to claim 1, which is characterized in that the direct-driving motor is permanent magnet synchronous motor.
6. pressure riveting device according to claim 1, which is characterized in that the drive rod further includes being located at the drive part
With the coupling part between the screw part, and the pressure riveting device further include:
Sleeve, the sleeve is fixedly joined to the direct-driving motor, and has for accommodating the drive rod
The hollow cavity of the coupling part and screw part；And
Bearing assembly, the bearing assembly are used to support the drive rod around institute between the drive rod and the sleeve
State pivot center rotation.
7. pressure riveting device according to claim 6, which is characterized in that the head assembly that presses includes:
Inner tube, said inner tube set are connected to the periphery of the screw part of the drive rod, and said inner tube has along its axial direction phase
Pair first end and second end, wherein the first end is fixedly connected on the nut, and the second end is for installing
Press head.
8. pressure riveting device according to claim 7, which is characterized in that said inner tube has positioned at its outer wall and along described interior
The limit plate that pipe is circumferentially arranged, second end preset distance of the limit plate apart from said inner tube, the head assembly that presses also are wrapped
It includes:
Outer tube, the outer tube are movably nested between the sleeve and said inner tube, and the outer tube and said inner tube exist
The axial direction of the pivot center is at least partly overlapped；
Guide sleeve, the guide sleeve is fixed in the outer tube close to one end of the head that presses, and has pilot hole, the guiding
Hole presses head and the axial movement of head of pressing described in guiding described in being configured to accommodate；
Elastic component is located between the guide sleeve of the outer tube and the limit plate of said inner tube, and the elastic component is used for so that described
Inner tube moves between relaxation position and compacted position relative to the outer tube；In the compacted position, the elastic component is to institute
It states guide sleeve and applies pretightning force.
9. pressure riveting device according to claim 8, which is characterized in that the elastic component include be located at the outer tube with it is described
The multiple groups spring being distributed circumferentially-spacedly and guide post along said inner tube between inner tube, and the limit plate includes corresponding
The multiple through-holes being spaced apart, wherein each spring is set in corresponding guide post periphery；One end of each guide post is by fixedly
It is connected on the guide sleeve and its other end is slidably disposed through corresponding through-hole on the limit plate, and the two of each spring
End is born against on the limit plate and the guide sleeve.
10. pressure riveting device according to claim 7, which is characterized in that the head assembly that presses further include:
Outer tube, the outer tube are movably nested between the sleeve and said inner tube, and the outer tube and said inner tube exist
The axial direction of the pivot center is at least partly overlapped；
Guide sleeve, the guide sleeve is fixed in the outer tube close to one end of the head that presses, and has pilot hole, the guiding
Hole presses head and the axial movement of head of pressing described in guiding described in being configured to accommodate；
Elastic component, between the outer tube and said inner tube, the elastic component is used for so that said inner tube is relative to described
Outer tube moves between relaxation position and compacted position；In the compacted position, the elastic component applies to the guide sleeve to be pre-tightened
Power.
11. pressure riveting device according to claim 10, which is characterized in that the inner wall of the outer tube and the outer wall of said inner tube
It is respectively provided with lug boss, the both ends of the elastic component are separately mounted on the lug boss.
12. pressure riveting device according to claim 11, which is characterized in that the elastic component is disc spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821207073.8U CN208483168U (en) | 2018-07-27 | 2018-07-27 | Pressure riveting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821207073.8U CN208483168U (en) | 2018-07-27 | 2018-07-27 | Pressure riveting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208483168U true CN208483168U (en) | 2019-02-12 |
Family
ID=65246884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821207073.8U Expired - Fee Related CN208483168U (en) | 2018-07-27 | 2018-07-27 | Pressure riveting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208483168U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396319A (en) * | 2018-07-27 | 2019-03-01 | 宾科精密部件(中国)有限公司 | Pressure riveting device |
| CN111136209A (en) * | 2019-10-29 | 2020-05-12 | 宁波蓝圣智能科技有限公司 | Servo electric automatic riveting machine |
| CN117225995A (en) * | 2023-03-07 | 2023-12-15 | 广东启功实业集团有限公司 | Round hole press riveting equipment for telescopic door pipe |
-
2018
- 2018-07-27 CN CN201821207073.8U patent/CN208483168U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396319A (en) * | 2018-07-27 | 2019-03-01 | 宾科精密部件(中国)有限公司 | Pressure riveting device |
| WO2020020199A1 (en) * | 2018-07-27 | 2020-01-30 | 宾科精密部件(中国)有限公司 | Riveting device |
| CN109396319B (en) * | 2018-07-27 | 2024-04-05 | 宾科精密部件(中国)有限公司 | Press riveting device |
| CN111136209A (en) * | 2019-10-29 | 2020-05-12 | 宁波蓝圣智能科技有限公司 | Servo electric automatic riveting machine |
| CN111136209B (en) * | 2019-10-29 | 2021-11-16 | 宁波蓝圣智能科技有限公司 | Servo electric automatic riveting machine |
| CN117225995A (en) * | 2023-03-07 | 2023-12-15 | 广东启功实业集团有限公司 | Round hole press riveting equipment for telescopic door pipe |
| CN117225995B (en) * | 2023-03-07 | 2024-03-29 | 广东启功实业集团有限公司 | Round hole press riveting equipment for telescopic door pipe |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190212 Termination date: 20200727 |