CN104668947B - Axial bolt tightening device - Google Patents
Axial bolt tightening device Download PDFInfo
- Publication number
- CN104668947B CN104668947B CN201310626863.5A CN201310626863A CN104668947B CN 104668947 B CN104668947 B CN 104668947B CN 201310626863 A CN201310626863 A CN 201310626863A CN 104668947 B CN104668947 B CN 104668947B
- Authority
- CN
- China
- Prior art keywords
- screwing
- outer cover
- axial bolts
- assembly
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- B23P19/04—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 assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
Abstract
The invention belongs to the technical field of automatic assembly, and particularly relates to an axial bolt tightening device. The axial bolt tightening device comprises a base, an outer cover, a supporting frame, a driving device, a transmission device, a rotation supporting device and a tightening assembly, wherein the outer cover is connected with the base, the supporting frame, the driving device, the transmission device and the rotation supporting device are arranged in the outer cover, the supporting frame is connected with the base, the driving device and the rotation supporting device are installed on the supporting frame, and are in transmission connection through the transmission device, and the rotation supporting device penetrates through the outer cover to be connected with the tightening assembly. The axial bolt tightening device is particularly suitable for continuous automatic assembly and disassembly of axial bolts in a narrow space, and the production efficiency is improved on the basis that the product percent of pass is guaranteed.
Description
Technical field
The invention belongs to Automated assembly technical field, specifically a kind of axial bolts device for screwing up.
Background technology
Carry out assembling the difficult problem that always annoying Automated assembly field in narrow interior volume, in dismounting axle
During to bolt, because inner space is limited, when axial depth is less than 500mm, be can touch by staff, but due to obtaining not
To the cooperation of human eye, therefore operate extremely difficult.When axial depth is more than 500mm, by hand disassembly axial bolts
Method can hardly realize.
Content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of axial bolts device for screwing up.This device present invention is special
It is not suitable for the continuous and automatic handling of axial bolts in narrow space, improve on the basis of ensureing product percent of pass and produce effect
Rate.
To achieve these goals, the present invention employs the following technical solutions:
A kind of axial bolts device for screwing up, supports including base, outer cover, bracing frame, driving means, transmission device, rotation
Device and tighten assembly, wherein outer cover is connected with base, support frame as described above, driving means, transmission device, rotating supporting device
May be contained within outer cover, support frame as described above is connected with base, described driving means and rotating supporting device are arranged on bracing frame
Go up and connected by drive, described rotating supporting device is connected with tightening assembly through outer cover.
Described assembly of tightening includes tappet head and float positioning device, wherein one end of tappet head with rotating supporting device even
Connect, the other end is hollow structure, the side wall of described tappet head is along the circumferential direction provided with multiple radial directions being connected with centre bore and leads to
Hole, described float positioning device is arranged in this radial direction through hole.
Described float positioning device includes nut, stop screw, spring, steel ball and adjusting screw, wherein adjusting screw
For being provided with the hollow structure of internal and external threads, adjusting screw is threadedly connected in the radial direction through hole of tappet head, described steel ball, spring
It is placed in the center in the hole of adjusting screw from inside to outside successively with stop screw and stop screw is threadeded with adjusting screw,
The seam that described steel ball passes through described radial direction through hole end is spacing.
Described tappet head is regular polygon, and the centre bore of tappet head is the just many faces corresponding with outer surface, described many
Individual radial direction through hole is respectively arranged on each side of regular polygon.
Described rotating supporting device includes rotary support, spline housing and splined shaft, and wherein rotary support is installed on described
On support, described spline housing is rotatably installed on rotary support and two ends are connected with transmission device and splined shaft respectively, described flower
One end of key axle is connected through outer cover with tightening assembly.
Described splined shaft is u-shaped structure, and the bottom of described u-shaped structure is connected with tightening pack spline, the u of described splined shaft
It is provided with die cavity and tightens the floating installation that assembly is connected, the other end outer wall that described splined shaft is located in outer cover is provided with spacing
Pin.
Described floating installation includes floating bushing, attachment screw and spring, and wherein floating bushing passes through attachment screw and tightens group
Part connects, and the two ends of described spring are abutted with floating bushing and transmission device respectively.
Described transmission device includes driving sleeve, power transmission shaft and drive sleeve, and driving sleeve is passed through in wherein one end of power transmission shaft
It is connected with driving means, the other end is connected with rotating supporting device by drive sleeve.Described power transmission shaft is provided with torque sensor,
Described torque sensor is connected with bracing frame by sensor support base.
Described driving means include air motor and motor bearing, wherein air motor be installed on by motor bearing described
On bracing frame and output end is connected with transmission device, described base is connected with robot by hydraulic quick coupler.
Advantages of the present invention and beneficial effect are:
1. in the particularly suitable narrow space of the present invention, the continuous and automatic of radial bolts loads and unloads, and is ensureing product percent of pass
On the basis of improve production efficiency.
2. the present invention has reliable blast resistance construction；Using pneumatic actuation mode, moving component carries out Explosion-proof Design, externally
Cover has carried out flame proof process.
3. high-precision vision positioning of the present invention；With the cooperation of high-precision visual identity positioner, can achieve high-precision
Position control.
4. the high-precision moment of torsion control of the present invention；Realized by high-precision torque sensor.
5. the present invention can achieve the automatic loading/unloading of bolt, mitigates the labour intensity of operator.
6. the unique reliability tightened header structure, there is height of the present invention.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation tightening head assembly in the present invention；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is embodiment workpiece schematic diagram；
Fig. 5 is the structural representation of visual identity positioner.
Wherein: 1 is hydraulic quick coupler, 2 is alignment pin, and 3 is base, and 4 is outer cover, and 5 is driving means, and 6 is driving means
Bearing, 7 is driving sleeve, and 8 is sensor support base, and 9 is torque sensor, and 10 is drive sleeve, and 11 is trundle, and 12 is back-up ring,
13 is spring, and 14 is spacer pin, and 15 is spline housing, and 16 is splined shaft, and 17 is floating bushing, and 18 is attachment screw, and 19 is rotation
Seat, 20 is outer trim ring, and 21 is outer separator, and 22 is cabinet's set, and 23 is bearing, and 24 is interior trim ring, and 25 is back-up ring, and 26 is to tighten
Head, 27 is nut, and 28 is stop screw, and 29 is spring, and 30 is steel ball, and 31 is adjusting screw, and 32 is axial bolts, and 33 is footpath
To bolt, 34 is hydraulic quick coupler, and 35 is alignment pin, and 36 is base, and 37 is t type slide, and 38 is distance measuring sensor, and 39 are
Translucent cover, 40 is shell, and 41 is smart camera, and 42 is annular light source.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, the present invention includes base 3, outer cover 4, bracing frame, driving means 5, transmission device, rotation support dress
Put, floating installation and tighten assembly, wherein outer cover 4 is connected with base 3, support frame as described above, driving means 5, transmission device, floating
Dynamic device, rotating supporting device may be contained within outer cover 4, and support frame as described above is connected with base 3, described driving means 5 and rotation
Support meanss are arranged on bracing frame and are connected by drive, and described rotating supporting device passes through outer cover 4 and tightens
Assembly connects.Described base 3 is connected with robot by hydraulic quick coupler 1.
Described driving means 5 include air motor and motor bearing 6, and wherein air motor is installed on by motor bearing 6
On support frame as described above and output end is connected with transmission device.Described transmission device includes driving sleeve 7, power transmission shaft and drive sleeve
10, wherein one end of power transmission shaft is connected with the output shaft of air motor by driving sleeve 7, and the other end passes through drive sleeve 10 and rotation
Turn support meanss to connect.Described power transmission shaft is provided with torque sensor 9, and described torque sensor 9 passes through sensor support base 8 and props up
Support connects.
Described rotating supporting device includes rotary support 19, spline housing 15 and splined shaft 16, and wherein rotary support 19 is installed
On support frame as described above, the two ends of described spline housing 15 are rotatably installed on rotary support 19 by bearing 23.Two bearings 23
Outside be respectively equipped with outer back-up ring 20 and inner shield ring 24, be provided with inner spacing collar 22 and outer separator 21 between two bearings 23.Spline housing 15
One end be connected with drive sleeve 10 by trundle 11, the other end and splined shaft 16 spline connection.One end of described splined shaft 16
The through hole being provided with through outer cover 4 bottom is connected with tightening assembly.Described splined shaft 16 is u-shaped structure, the bottom of described u-shaped structure
It is connected with tightening pack spline, described splined shaft 16 is located at and is arranged with spacer pin 14 on the other end outer wall in outer cover 4, is used for
The axial limiting of splined shaft 16.It is provided with the u-shaped chamber of described splined shaft 16 and tighten the floating installation that assembly is connected.Described floating
Device includes floating bushing 17, attachment screw 18 and spring 13, and wherein floating bushing 17 passes through attachment screw 18 and tightens assembly even
Connect, the two ends of described spring 13 are abutted with the end seam of floating bushing 17 and drive sleeve 10 respectively.Tappet head 26 passes through impulsive force
Or can axially move under the elastic force effect of spring 13.
As shown in Figure 2 and Figure 3, described assembly of tightening includes tappet head 26 and float positioning device, during wherein tappet head 26 is
Hollow structure, the side wall of described tappet head 26 is along the circumferential direction provided with multiple radial direction through hole being connected with centre bore, described floating
Positioner is arranged in this radial direction through hole.The present embodiment tappet head 26 is hexahedron, and the centre bore of tappet head 26 is and appearance
The corresponding hexagonal hole in face, described hexahedral six sides are equipped with radial direction through hole.The internal via shape of described tappet head 26
Depending on shape according to institute's demounting bolt.
Described float positioning device includes nut 27, stop screw 28, spring 29, steel ball 30 and adjusting screw 31, its
Middle adjusting screw 31 is to be provided with the hollow structure of internal and external threads, and adjusting screw 31 is threadedly connected to the radial direction through hole of tappet head 26
Interior, described steel ball 30, spring 29 and stop screw 28 are placed in the center in the hole of adjusting screw 31 from inside to outside successively and limit
Position screw 28 is threadeded with adjusting screw 31, and the seam that described steel ball 30 passes through described radial direction through hole end is spacing.Dismantled
The each side of head of bolt is all provided with fluted, and described when tightening assembly demounting bolt, the head captured of bolt is in tappet head 26
Center in the hole, described steel ball 30 is placed in the groove of bolt side by the effect of spring 29, is easy to the axial direction limit of bolt
Position.
The gear sequences of the present invention are air motor, driving sleeve 7, power transmission shaft, drive sleeve 10, trundle 11, spline housing
15th, splined shaft 16, tappet head 26, is axially movable while tappet head 26 rotation.
Embodiment
As shown in Figure 4, Figure 5, using the present invention and device for visual identification, the axial bolts 32 on workpiece are dismantled.Institute
State device for visual identification and include base 36, shell 40, translucent cover 39, hydraulic quick coupler 34, distance measuring sensor 38, intelligent camera
41 and annular light source 42.Base 36 is connected together by hydraulic quick coupler 34 with robot, distance measuring sensor 38, intelligent camera 41
And annular light source 42 is installed on base 36.
Device for visual identification is combined with the manipulator of robot first, is demarcated by smart camera 41 and distance measuring sensor 38
Workpiece and the relative position of manipulator, then change axial bolts device for screwing up, realize the automatic loading and unloading of axial bolts 32.This
The continuous and automatic handling of bright particularly suitable narrow space inner bolt, improve on the basis of ensureing product percent of pass and produce effect
Rate.
In the present embodiment, hydraulic quick coupler 34 is purchased in schunk company, model swa110；Distance measuring sensor purchase in
Keyence company, model il-065；Intelligent camera purchase in can Cognex product, model micro 1403；Ring
Shape light source passes through ring light, model hl-r15-90-4 using east；Air motor purchases Yu Oubo company, model lgg80r；Turn round
Square sensor is Metz Tyke, model 0171qe.
Described robot adopts industrial standard six degree of freedom articulated robot, standard industrial robot's technology maturation, application
Extensively.Kuka robot has the features such as highly reliable, speed is fast, high precision, power are big, sturdy and durable versatility is good.Industry
Robot type selecting will determine robot load, working space and kinematic accuracy according to actual process and workflow.
The precision of robot refers mainly to repetitive positioning accuracy, will meet the positioning requirements to work piece operations, the machine of selection
People's repetitive positioning accuracy is in 0.1mm.Select kuka robot kr150r3700 type, load as 150kg, moving radius are
3.7m, belongs to standard robotic.
Claims (9)
1. a kind of axial bolts device for screwing up it is characterised in that: include base (3), outer cover (4), bracing frame, driving means
(5), transmission device, rotating supporting device and tighten assembly, wherein outer cover (4) is connected with base (3), support frame as described above, driving
Device (5), transmission device, rotating supporting device may be contained within outer cover (4), and support frame as described above is connected with base (3), described
Driving means (5) and rotating supporting device are arranged on bracing frame and are connected by drive, and described rotation supports dress
Put through outer cover (4) with tighten assembly and be connected；
Described assembly of tightening includes tappet head (26) and float positioning device, and wherein one end of tappet head (26) and rotation supports dress
Put connection, the other end is hollow structure, the side wall of described tappet head (26) is along the circumferential direction provided with and multiple connects with centre bore
Radial direction through hole, described float positioning device is arranged in this radial direction through hole.
2. the axial bolts device for screwing up as described in claim 1 it is characterised in that: described float positioning device includes nut
(27), stop screw (28), spring (29), steel ball (30) and adjusting screw (31), wherein adjusting screw (31) are in being provided with
Externally threaded hollow structure, adjusting screw (31) is threadedly connected in the radial direction through hole of tappet head (26), described steel ball (30), bullet
Spring (29) and stop screw (28) are placed in center in the hole the stop screw (28) of adjusting screw (31) from inside to outside successively
Threaded with adjusting screw (31), the seam that described steel ball (30) passes through described radial direction through hole end is spacing.
3. the axial bolts device for screwing up as described in claim 2 it is characterised in that: described tappet head (26) be regular polygon,
The centre bore of tappet head (26) is the just many faces corresponding with outer surface, and the plurality of radial direction through hole is respectively arranged at positive multiaspect
On each side of body.
4. the axial bolts device for screwing up as described in claim 1 it is characterised in that: described rotating supporting device include rotation
Seat (19), spline housing (15) and splined shaft (16), wherein rotary support (19) is installed on support frame as described above, described spline housing
(15) it is rotatably installed in rotary support (19) above and two ends are connected with transmission device and splined shaft (16) respectively, described splined shaft
(16) one end passes through outer cover (4) and tightens assembly and be connected.
5. the axial bolts device for screwing up as described in claim 4 it is characterised in that: described splined shaft (16) be u-shaped structure, institute
The bottom stating u-shaped structure is connected with tightening pack spline, is provided with and tightens what assembly was connected in the u-shaped chamber of described splined shaft (16)
Floating installation, the other end outer wall that described splined shaft (16) is located in outer cover (4) is provided with spacer pin (14).
6. the axial bolts device for screwing up as described in claim 5 it is characterised in that: described floating installation includes floating bushing
(17), attachment screw (18) and spring (13), wherein floating bushing (17) pass through attachment screw (18) and tighten assembly and be connected, institute
The two ends stating spring (13) are abutted with floating bushing (17) and transmission device respectively.
7. the axial bolts device for screwing up as described in claim 1 it is characterised in that: described transmission device includes driving sleeve
(7), power transmission shaft and drive sleeve (10), wherein one end of power transmission shaft are connected with driving means (5) by driving sleeve (7), another
End is connected with rotating supporting device by drive sleeve (10).
8. the axial bolts device for screwing up as described in claim 7 it is characterised in that: described power transmission shaft is provided with torque sensor
(9), described torque sensor (9) is connected with bracing frame by sensor support base (8).
9. the axial bolts device for screwing up as described in claim 1 or 7 it is characterised in that: described driving means (5) include pneumatic
Motor and motor bearing (6), wherein air motor are installed on support frame as described above and output end and biography by motor bearing (6)
Dynamic device connects, and described base (3) is connected with robot by hydraulic quick coupler (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310626863.5A CN104668947B (en) | 2013-11-28 | 2013-11-28 | Axial bolt tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310626863.5A CN104668947B (en) | 2013-11-28 | 2013-11-28 | Axial bolt tightening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104668947A CN104668947A (en) | 2015-06-03 |
| CN104668947B true CN104668947B (en) | 2017-01-18 |
Family
ID=53304808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310626863.5A Expired - Fee Related CN104668947B (en) | 2013-11-28 | 2013-11-28 | Axial bolt tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104668947B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106002239B (en) * | 2016-06-03 | 2018-02-16 | 镇江大力液压马达股份有限公司 | A kind of cycloid hydraulic motor automatic assembling apparatus |
| CN106964971B (en) * | 2017-03-27 | 2018-11-02 | 哈尔滨工业大学 | A kind of mechanical arm tool mechanism for the assembly of small space inner nut |
| JP6479248B1 (en) * | 2018-12-11 | 2019-03-06 | 株式会社東日製作所 | Fastening device |
| CN109807614B (en) * | 2019-03-22 | 2022-05-24 | 上汽通用五菱汽车股份有限公司 | Tightening shaft calibration tool |
| TW202246004A (en) * | 2021-05-19 | 2022-12-01 | 佳陞科技有限公司 | Nut disassembling and assembling mechanism |
| CN114210858B (en) * | 2022-02-22 | 2022-06-17 | 济南二机床集团有限公司 | Quick-change butt joint device for double-arm feeding cross rod of press |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6138830A (en) * | 1984-07-31 | 1986-02-24 | Nippei Toyama Corp | Automatic assembly device of bolt and washer |
| CN201020615Y (en) * | 2007-02-28 | 2008-02-13 | 重庆宗申技术开发研究有限公司 | Automatic screw down device for engine box and assembly clamp |
| CN201049421Y (en) * | 2007-05-25 | 2008-04-23 | 重庆宗申技术开发研究有限公司 | Vertical tightener for nut |
| CN100469519C (en) * | 2007-06-05 | 2009-03-18 | 浙江大学 | Oil-distributter spring press-cover screwing-tightly device |
| DE102012004358A1 (en) * | 2012-03-07 | 2013-09-12 | Robert Bosch Gmbh | Screwing system for screwing e.g. automatic assembly device, has driven shaft movable opposite to drive shaft in opposing directions, and comprising retainer to receive tool, and drive device moving driven shaft in one of directions |
-
2013
- 2013-11-28 CN CN201310626863.5A patent/CN104668947B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104668947A (en) | 2015-06-03 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20170118 Termination date: 20171128 |