CN114559245A - Automatic nut screwing device - Google Patents
Automatic nut screwing device Download PDFInfo
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- CN114559245A CN114559245A CN202210359237.3A CN202210359237A CN114559245A CN 114559245 A CN114559245 A CN 114559245A CN 202210359237 A CN202210359237 A CN 202210359237A CN 114559245 A CN114559245 A CN 114559245A
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- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 69
- 230000009471 action Effects 0.000 claims description 6
- 238000010923 batch production Methods 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 description 13
- 230000006872 improvement Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention relates to an automatic nut screwing device which comprises a workbench, two sliding table assemblies, a first positioning and clamping unit, a second positioning and clamping unit, a screwing unit and a positioning unit, wherein the two sliding table assemblies, the screwing unit and the positioning unit are respectively and mechanically arranged on the workbench; the first positioning and clamping unit is mechanically connected with a sliding platform on one sliding table assembly to realize that the first positioning and clamping unit positions and clamps the workpiece and drives the workpiece to move, and the second positioning and clamping unit is mechanically connected with a sliding platform on the other sliding table assembly to realize that the second positioning and clamping unit positions and clamps the workpiece and drives the workpiece to move; the screwing unit comprises a first support and an automatic screwing wrench, and the automatic screwing wrench is mechanically connected with the workbench through the first support and used for realizing nut positioning and screwing. The automatic tightening device is reasonable in design, realizes the upgrading from manual tightening to automatic tightening, is convenient for batch production, has high working efficiency and saves labor cost.
Description
Technical Field
The invention relates to the technical field of mechanical assembly equipment, in particular to an automatic nut screwing device.
Background
In the manufacturing industries such as automobile, ship, aerospace, large-scale machinery, often need carry out a large amount of assembly work to the work piece, along with automation, the intelligent improvement promotion to the production line, some assembly links need carry out automatic transformation promotion, still go on through the mode of artifical manual tightening assembly in the spare part assembly of rear overhang rear control arm assembly at present, work efficiency is low, in order to adapt to batch production needs, need solve above-mentioned problem to the automatic device of screwing up of nut of rear overhang rear control arm assembly development.
Disclosure of Invention
The invention aims to provide an automatic nut screwing device, which realizes automatic nut screwing of a rear suspension rear control arm assembly by designing the overall structure of the device and utilizing a plurality of driving mechanisms, has high working efficiency and meets the specific assembly requirements of users.
In order to achieve the above object, the present invention provides an automatic nut tightening apparatus, comprising: the device comprises a workbench, two sliding table assemblies, a first positioning and clamping unit, a second positioning and clamping unit, a screwing unit and a positioning unit, wherein the two sliding table assemblies, the screwing unit and the positioning unit are respectively and mechanically installed on the workbench; the sliding table assembly comprises a first driving mechanism, a sliding platform, at least one sliding rail and at least one sliding block; the first driving mechanism is in driving connection with the sliding platform and is used for realizing the movement of the sliding platform, the sliding platform is in sliding fit connection with the sliding rail through the sliding block, and the sliding rail is mechanically fixed on the workbench; the first positioning and clamping unit is mechanically connected with the sliding platform on one of the sliding table assemblies to realize that the first positioning and clamping unit positions and clamps a workpiece and drives the workpiece to move, and the second positioning and clamping unit is mechanically connected with the sliding platform on the other sliding table assembly to realize that the second positioning and clamping unit positions and clamps the workpiece and drives the workpiece to move; the tightening unit is located the first positioning and clamping unit and the middle of the second positioning and clamping unit, the tightening unit comprises a first support and an automatic tightening wrench, and the automatic tightening wrench is used for achieving nut positioning and tightening through mechanical connection of the first support and the workbench.
Further, the first positioning and clamping unit includes; the first support assembly, the second driving mechanism, the first pressure lever, the first connecting piece, the first positioning block, the third driving mechanism, the first positioning base and the first positioning pin; second actuating mechanism, third actuating mechanism respectively with first bracket component carries out mechanical connection, first bracket component machinery is fixed one on the slip table subassembly on the sliding platform, first depression bar respectively with second actuating mechanism first connecting piece articulates and is used for realizing the action is pressed and is lifted up to the work piece to first depression bar, first locating piece is located the below of first depression bar one end and with first bracket component carries out mechanical connection and is used for the location work piece, first locating pin with third actuating mechanism carries out the drive connection and is used for realizing first locating pin is in the up-and-down motion in the first locating base.
Preferably, the first positioning and clamping unit further comprises a first proximity switch, and the first proximity switch is electrically connected with an external control system.
Further, the second positioning and clamping unit comprises; the second support assembly, the third driving mechanism, the second pressure lever, the second connecting piece, the second positioning block, the fourth driving mechanism, the second positioning base and the second positioning pin; the third driving mechanism and the fourth driving mechanism are mechanically connected with the second support assembly, the second support assembly is mechanically fixed on the other sliding platform on the sliding table assembly, the second pressure rod is respectively hinged with the third driving mechanism and the second connecting piece and used for realizing the compression and lifting actions of the second pressure rod on a workpiece, the second positioning block is positioned below one end of the second pressure rod and is mechanically connected with the second support assembly to position the workpiece, and the second positioning pin is in driving connection with the fourth driving mechanism and used for realizing the up-and-down motion of the second positioning pin in the second positioning base.
Preferably, the second positioning and clamping unit further comprises a second proximity switch, and the second proximity switch is electrically connected with an external control system.
Further, the positioning unit includes: the second bracket, the fifth driving mechanism and the positioning assembly; the fifth driving mechanism is in mechanical connection with the workbench through the second support, and the positioning assembly is in driving connection with the fifth driving mechanism and used for achieving movement of the positioning assembly.
Furthermore, the sliding table assembly further comprises at least one first stop block and at least one second stop block; the first stop block and the second stop block are respectively arranged at two ends of the slide rail and are mechanically connected with the workbench for limiting the slide platform.
Preferably, the sliding table assembly further comprises a sensor, the sensor is electrically connected with an external control system, and the sensor is mechanically connected with the sliding platform.
The automatic nut screwing device provided by the invention has the beneficial effects that: the automatic nut screwing device is reasonable in design, automatic screwing operation of workpieces is achieved through the overall structural design of the automatic nut screwing device and the utilization of the plurality of driving mechanisms, manual screwing is effectively replaced, manual-to-automatic upgrading is achieved, batch production is facilitated, working efficiency is high, labor cost is saved, and assembling and screwing requirements of specific workpieces of users are met.
Drawings
To illustrate the technical solutions of the embodiments of the present invention more clearly, the drawings of the embodiments will be briefly introduced, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention, and are not to limit the present invention.
Fig. 1 is a schematic perspective view of an automatic nut tightening device according to an embodiment of the present invention;
fig. 2 is a schematic view of a working state of an automatic nut tightening device according to an embodiment of the present invention;
fig. 3 is another schematic perspective view of an automatic nut tightening device according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a sliding table assembly according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a first positioning and clamping unit according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a second positioning and clamping unit according to an embodiment of the present invention;
fig. 7 is a schematic perspective view of a positioning unit according to an embodiment of the present invention;
fig. 8 is a schematic perspective view of a rear suspension rear control arm assembly according to an embodiment of the present invention.
In the figure:
1. a work table; 2. a sliding table assembly; 21. a first drive mechanism; 22. a sliding platform; 23. a slide rail; 24. a slider; 25. a first stopper; 26. a second stopper; 27. a sensor; 3. a first positioning and clamping unit; 31. a first bracket assembly; 32. a second drive mechanism; 33. a first pressure lever; 34. a first connecting member; 35. a first positioning block; 36. a third drive mechanism; 37. a first positioning base; 38. a first locating pin; 39. a first proximity switch; 4. a second positioning and clamping unit; 41. a second bracket assembly; 42. a third drive mechanism; 43. a second pressure lever; 44. a second connecting member; 45. a second positioning block; 46. a fourth drive mechanism; 47. a second positioning base; 48. a second positioning pin; 49. a second proximity switch; 5. a tightening unit; 51. a first bracket; 52. automatically screwing a wrench; 6. a positioning unit; 61. a second bracket; 62. a fifth drive mechanism; 63. a positioning assembly; 631. a gasket; 7. a rear suspension rear control arm assembly; 71. a first fitting member; 72. a nut; 73. a second fitting.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An automatic nut tightening device according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
Examples
Fig. 1 is a schematic perspective view illustrating an automatic nut tightening device according to an embodiment of the present invention; fig. 2 is a schematic view illustrating an operating state of an automatic nut tightening apparatus according to an embodiment of the present invention; fig. 3 is another schematic perspective view of an automatic nut tightening device according to an embodiment of the present invention; fig. 4 is a schematic perspective view illustrating a sliding table assembly according to an embodiment of the present invention; fig. 5 is a schematic perspective view illustrating a first positioning and clamping unit according to an embodiment of the present invention; FIG. 6 is a perspective view of a second positioning and clamping unit provided in an embodiment of the present invention; fig. 7 is a schematic perspective view of a positioning unit provided in an embodiment of the present invention; fig. 8 is a schematic perspective view illustrating a rear suspension rear control arm assembly according to an embodiment of the present invention. As shown in fig. 1 to 8, an automatic nut tightening device according to an embodiment of the present invention is mainly used for performing an automatic nut tightening operation on one end or both ends of a workpiece, and here, we take a rear suspension control arm assembly 7 as an example to describe the automatic nut tightening device according to the embodiment of the present invention, and the automatic nut tightening device includes: the device comprises a workbench 1, two sliding table assemblies 2, a first positioning and clamping unit 3, a second positioning and clamping unit 4, a screwing unit 5 and a positioning unit 6, wherein the two sliding table assemblies 2, the screwing unit 5 and the positioning unit 6 are respectively and mechanically installed on the workbench 1; specifically, the two sliding table assemblies 2 can be mounted in a manner shown in fig. 4, wherein the sliding table assembly 2 includes at least one of a first driving mechanism 21, a sliding platform 22, a sliding rail 23, and a sliding block 24; preferably, each sliding table assembly 2 adopts two sliding rails 23, each sliding rail 23 is used in cooperation with two sliding blocks 24, so that the stable motion of the sliding table assembly 2 is maintained, the first driving mechanism 21 is in driving connection with the sliding platform 22 for realizing the movement of the sliding platform 22, the first driving mechanism 21 is controlled to realize the left-right reciprocating motion of the sliding platform 22 in the horizontal direction, the sliding platform 22 is in sliding fit connection with the sliding rails 23 through the sliding blocks 24, the sliding rails 23 are mechanically fixed on the workbench 1, the sliding blocks 24 are mechanically fixed on the lower surface of the sliding platform 22, and the cross-sectional shapes of the sliding blocks 24 are adapted to the cross-sectional shapes of the sliding rails 23; preferably, the cross-sectional shape of the sliding block 24 may be V-shaped, i-shaped, triangular, etc., or a combination of the above figures, including but not limited to the above figures, so as to realize the uniaxial movement of the sliding block 24 along the direction of the sliding rail 23; in the embodiment of the present invention, taking rear suspension rear control arm assembly 7 of an automobile as an example, rear suspension rear control arm assembly 7 includes a first assembly member 71, a nut 72, and a second assembly member 73; the first positioning and clamping unit 3 is mechanically connected with the sliding platform 22 on one of the sliding table assemblies 2 to realize that the first positioning and clamping unit 3 positions and clamps the workpiece and drives the workpiece to move, so that the first positioning and clamping unit 3 drives the workpiece to move left and right, and the workpiece gradually penetrates into the nut 72; the second positioning and clamping unit 4 is mechanically connected with the sliding platform 22 on the other sliding table assembly 2 to realize that the second positioning and clamping unit 4 positions and clamps the workpiece and drives the workpiece to move, so that the second positioning and clamping unit 4 drives the workpiece to move left and right, and the workpiece gradually penetrates into the nut 72; the screwing unit 5 is located between the first positioning and clamping unit 3 and the second positioning and clamping unit 4 and is convenient to rotate and screw the middle nut 72, the screwing unit 5 comprises a first support 51 and an automatic screwing wrench 52, the automatic screwing wrench 52 is mechanically connected with the workbench 1 through the first support 51, the automatic screwing wrench 52 is electrically controlled, the rotation of the end part of the automatic screwing wrench 52 is controlled through an external control system, the nut 72 is synchronously driven to rotate, the first positioning and clamping unit 3 and the second positioning and clamping unit 4 drive the second assembly part 73 and the first assembly part 71 in the workpiece to move respectively, so that the threaded connection of the nut 72 and the second assembly part 73 and the first assembly part 71 is realized, and the automatic screwing of the workpiece is realized.
In the automatic nut tightening device provided by the embodiment of the invention, the first positioning and clamping unit 3 comprises a first positioning and clamping unit; the first bracket component 31, the second driving mechanism 32, the first pressure lever 33, the first connecting piece 34, the first positioning block 35, the third driving mechanism 36, the first positioning base 37 and the first positioning pin 38; specifically, the second driving mechanism 32 and the third driving mechanism 36 are mechanically connected to the first bracket assembly 31, the first bracket assembly 31 is mechanically fixed to the sliding platform 22 on one sliding table assembly 2, so that the first bracket assembly 31 can move along with the sliding platform 22 to synchronously realize the movement of the whole first positioning and clamping unit 3, the first pressing rod 33 is hinged to the second driving mechanism 32 and the first connecting piece 34 respectively to realize the pressing and lifting actions of the first pressing rod 33 on the workpiece, the first pressing rod 33 rotates by taking the first connecting piece 34 as a lever fulcrum, the second driving mechanism 32 drives one end of the first pressing rod 33 to move up and down, so that the other end of the first pressing rod 33 presses and lifts the workpiece, and the workpiece is conveniently positioned or loaded and unloaded; the first positioning block 35 is positioned below one end of the first pressure lever 33 and is mechanically connected with the first bracket component 31 for positioning a workpiece, and a positioning clamping groove is formed in the first positioning block 35 so as to fix and position the workpiece conveniently; the first positioning pin 38 is in driving connection with the third driving mechanism 36 to realize the up-and-down movement of the first positioning pin 38 in the first positioning base 37, the workpiece is positioned by the first positioning base 37, the first positioning pin 38 can penetrate into a corresponding positioning hole on the workpiece, taking the rear suspension rear control arm assembly 7 as an example, the first positioning pin 38 can penetrate into a corresponding cavity on the rear suspension rear control arm assembly 7, and in fig. 8, the first positioning pin 38 can penetrate into a hole at one end in the second assembly part 73, so that the second assembly part 73 is accurately positioned.
As a further improvement of the automatic nut screwing device provided by the embodiment of the present invention, the first positioning and clamping unit 3 further includes a first proximity switch 39, the first proximity switch 39 is electrically connected to an external control system, the first proximity switch 39 is used for identifying and sending a status signal of a workpiece, and the first proximity switch 39 is mechanically mounted at a proper position of the first positioning and clamping unit 3, as long as the status monitoring of the workpiece can be realized, and meanwhile, the loading and unloading of the workpiece and the screwing operation of the nut 72 cannot be affected, so that the reliability and the intelligence degree of the automatic nut screwing device are improved, the automatic and intelligent control of the automatic nut screwing device is facilitated, and the misoperation and the like are prevented.
In the automatic nut tightening device provided by the embodiment of the invention, the second positioning and clamping unit 4 comprises a first positioning and clamping unit; a second bracket assembly 41, a third driving mechanism 42, a second pressure lever 43, a second connecting piece 44, a second positioning block 45, a fourth driving mechanism 46, a second positioning base 47 and a second positioning pin 48; specifically, the third driving mechanism 42 and the fourth driving mechanism 46 are mechanically connected to the second bracket assembly 41, and the second bracket assembly 41 is mechanically fixed to the sliding platform 22 on the other sliding table assembly 2, so that the second bracket assembly 41 can move along with the sliding platform 22, and the overall left-right movement of the second positioning and clamping unit 4 is realized; the second pressing rod 43 is hinged with the third driving mechanism 42 and the second connecting piece 44 respectively to realize the compressing and lifting actions of the second pressing rod 43 on the workpiece, the second pressing rod 43 rotates by taking the second connecting piece 44 as a fulcrum of a lever, and the third driving mechanism 42 drives one end of the second pressing rod 43 to move up and down, so that the other end of the second pressing rod 43 compresses and lifts the workpiece, and the workpiece is convenient to position or load and unload; the second positioning block 45 is positioned below one end of the second pressure lever 43 and is mechanically connected with the second support assembly 41 for positioning a workpiece, and a positioning clamping groove is formed in the second positioning block 45 to facilitate fixing and positioning of the workpiece; the second positioning pin 48 is in driving connection with the fourth driving mechanism 46 to realize the up-and-down movement of the second positioning pin 48 in the second positioning base 47, the workpiece is positioned by the second positioning base 47, and the second positioning pin 48 extends into the position corresponding to the workpiece; in fig. 8, the second positioning pin 48 extends into a corresponding cavity on the rear suspension rear control arm assembly 7, and the second positioning pin 48 can extend into a hole at one end in the first assembly member 71, so that the first assembly member 71 is accurately positioned.
As a further improvement of the automatic nut screwing device provided by the embodiment of the present invention, the second positioning and clamping unit 4 further includes a second proximity switch 49, the second proximity switch 49 is electrically connected to an external control system, the second proximity switch 49 is used for identifying and sending a status signal of a workpiece, and the second proximity switch 49 is mechanically mounted at a proper position on the second positioning and clamping unit 4, as long as the status monitoring of the workpiece can be realized, and meanwhile, the loading and unloading of the workpiece and the screwing operation of the nut 72 cannot be affected, so that the reliability and the intelligent degree of the automatic nut screwing device are improved, and the automatic and intelligent control of the automatic nut screwing device is facilitated.
In the automatic nut screwing device provided by the embodiment of the present invention, as a further improvement, the positioning unit 6 includes: a second bracket 61, a fifth driving mechanism 62 and a positioning component 63; specifically, the fifth driving mechanism 62 is mechanically connected with the workbench 1 through the second bracket 61, so that the fifth driving mechanism 62 is kept fixed, and the positioning assembly 63 is in driving connection with the fifth driving mechanism 62 for realizing the movement of the positioning assembly 63, so that the positioning assembly 63 can penetrate into a cavity on the workpiece; taking the rear suspension rear control arm assembly 7 in fig. 8 as an example, the positioning component 63 cooperates with the second positioning pin 48 to position the first assembly member 71, so as to make up for the situation that the second positioning pin 48 is too thin due to the undersize of the positioning hole on the first assembly member 71, which causes the poor bearing capacity and the stress deformation.
As a further improvement of the automatic nut screwing device provided by the embodiment of the present invention, the sliding table assembly 2 further includes at least one first stopper 25 and at least one second stopper 26; the first stop blocks 25 and the second stop blocks 26 are respectively disposed at two ends of the slide rail 23 and are mechanically connected with the working table 1 for limiting the sliding platform 22, so as to limit the movement stroke of the sliding platform 22.
As a further improvement of the automatic nut tightening device provided in the embodiment of the present invention, the slide table assembly 2 further includes a sensor 27, the sensor 27 is electrically connected to an external control system, the sensor 27 is mechanically connected to the slide platform 22, and the sensor 27 corresponds to the position of the first stopper 25 or the second stopper 26 and is used for detecting the moving distance between the slide platform 22 and the first stopper 25 or the second stopper 26, so as to ensure that the tightening distance on both sides of the workpiece meets a set requirement, and taking fig. 8 as an example, ensure that the tightening distance between the first assembly part 71, the second assembly part 73 and the nut 72 in the rear suspension rear control arm assembly 7 meets a specified requirement.
Preferably, the first driving mechanism 21, the second driving mechanism 32, the third driving mechanism 36, the fourth driving mechanism 42 and the fifth driving mechanism 46 are driven by air cylinders; of course, a motor drive may also be used.
It is worth to be noted that the automatic nut screwing device provided by the embodiment of the invention is suitable for automatically screwing workpieces, particularly the rear suspension rear control arm assembly 7, and can be widely applied to the manufacturing industries of automobiles, ships, aerospace, large-scale machinery and the like.
Compared with the prior art, the automatic nut screwing device provided by the invention is reasonable in design, realizes automatic screwing operation of workpieces through the overall structural design of the automatic nut screwing device and the utilization of the plurality of driving mechanisms, effectively replaces manual screwing, realizes manual-to-automatic upgrading, is high in working efficiency, saves labor cost, and meets the assembling and screwing requirements of specific workpieces of users.
The following points need to be explained:
(1) in the embodiments of the present invention and the drawings, the same reference numerals refer to the same meanings unless otherwise defined.
(2) The drawings of the embodiments of the invention only relate to the structures related to the embodiments of the invention, and other structures can refer to common designs.
(3) In the drawings, which are used to describe embodiments of the invention for purposes of clarity, certain features may be exaggerated or minimized in size, i.e., the drawings are not drawn to scale.
(4) Without conflict, embodiments of the present invention and features of the embodiments may be combined with each other to arrive at new embodiments.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An automatic nut tightening device, comprising: the device comprises a workbench (1), two sliding table assemblies (2), a first positioning and clamping unit (3), a second positioning and clamping unit (4), a screwing unit (5) and a positioning unit (6), wherein the two sliding table assemblies (2), the screwing unit (5) and the positioning unit (6) are respectively and mechanically installed on the workbench (1); the sliding table assembly (2) comprises at least one first driving mechanism (21), a sliding platform (22), at least one sliding rail (23) and at least one sliding block (24), the first driving mechanism (21) is in driving connection with the sliding platform (22) and used for achieving movement of the sliding platform (22), the sliding platform (22) is in sliding fit connection with the sliding rail (23) through the sliding block (24), and the sliding rail (23) is mechanically fixed on the workbench (1); the first positioning and clamping unit (3) is mechanically connected with the sliding platform (22) on one of the sliding table assemblies (2) to position and clamp a workpiece and drive the workpiece to move, and the second positioning and clamping unit (4) is mechanically connected with the sliding platform (22) on the other sliding table assembly (2) to position and clamp the workpiece and drive the workpiece to move; the screwing unit (5) is located the middle of the first positioning and clamping unit (3) and the second positioning and clamping unit (4), the screwing unit (5) comprises a first support (51) and an automatic screwing wrench (52), and the automatic screwing wrench (52) is used for realizing nut positioning and screwing through mechanical connection of the first support (51) and the workbench (1).
2. An automatic nut tightening device according to claim 1, wherein the first positioning and clamping unit (3) comprises; the device comprises a first bracket component (31), a second driving mechanism (32), a first pressure lever (33), a first connecting piece (34), a first positioning block (35), a third driving mechanism (36), a first positioning base (37) and a first positioning pin (38); the second driving mechanism (32) and the third driving mechanism (36) are respectively connected with the first bracket component (31) mechanically, the first bracket component (31) is mechanically fixed on the sliding platform (22) on one sliding table component (2), the first pressure lever (33) is respectively hinged with the second driving mechanism (32) and the first connecting piece (34) for realizing the compressing and lifting actions of the first pressure lever (33) on the workpiece, the first positioning block (35) is positioned below one end of the first pressure rod (33) and is mechanically connected with the first bracket component (31) for positioning a workpiece, the first positioning pin (38) is in driving connection with the third driving mechanism (36) and is used for realizing the up-and-down movement of the first positioning pin (38) in the first positioning base (37).
3. An automatic nut screwing device according to claim 2, characterized in that said first positioning and clamping unit (3) further comprises a first proximity switch (39), said first proximity switch (39) being electrically connected with an external control system.
4. An automatic nut screwing device according to claim 1, wherein said second positioning and clamping unit (4) comprises; the device comprises a second bracket component (41), a third driving mechanism (42), a second pressure lever (43), a second connecting piece (44), a second positioning block (45), a fourth driving mechanism (46), a second positioning base (47) and a second positioning pin (48); the third driving mechanism (42) and the fourth driving mechanism (46) are mechanically connected with the second bracket component (41), the second bracket component (41) is mechanically fixed on the sliding platform (22) on the other sliding table component (2), the second pressure lever (43) is respectively hinged with the third driving mechanism (42) and the second connecting piece (44) for realizing the pressing and lifting actions of the second pressure lever (43) to the workpiece, the second positioning block (45) is positioned below one end of the second pressure lever (43) and is mechanically connected with the second bracket component (41) for positioning a workpiece, the second positioning pin (48) is in driving connection with the fourth driving mechanism (46) and used for achieving the up-and-down movement of the second positioning pin (48) in the second positioning base (47).
5. An automatic nut screwing device according to claim 4, characterized in that said second positioning and clamping unit (4) further comprises a second proximity switch (49), said second proximity switch (49) being electrically connected with an external control system.
6. An automatic nut tightening device according to claim 4, wherein the positioning unit (6) comprises: a second bracket (61), a fifth driving mechanism (62) and a positioning component (63); the fifth driving mechanism (62) is in mechanical connection with the workbench (1) through the second support (61), and the positioning assembly (63) is in driving connection with the fifth driving mechanism (62) and used for achieving movement of the positioning assembly (63).
7. The automatic nut tightening device according to any one of claims 1 to 6, wherein the slide table assembly (2) further comprises at least one first stopper (25) and at least one second stopper (26); the first stop block (25) and the second stop block (26) are respectively arranged at two ends of the sliding rail (23) and are mechanically connected with the workbench (1) for limiting the sliding platform (22).
8. The automatic nut tightening device according to claim 7, characterized in that the slide table assembly (2) further comprises a sensor (27), the sensor (27) is electrically connected with an external control system, and the sensor (27) is mechanically connected with the slide platform (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210359237.3A CN114559245B (en) | 2022-04-07 | 2022-04-07 | Automatic nut tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210359237.3A CN114559245B (en) | 2022-04-07 | 2022-04-07 | Automatic nut tightening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114559245A true CN114559245A (en) | 2022-05-31 |
| CN114559245B CN114559245B (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210359237.3A Active CN114559245B (en) | 2022-04-07 | 2022-04-07 | Automatic nut tightening device |
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| JP2014124722A (en) * | 2012-12-26 | 2014-07-07 | Nissan Motor Co Ltd | Automatic thread fastening device |
| JP2015009337A (en) * | 2013-07-01 | 2015-01-19 | 日東精工株式会社 | Automatic fastening machine and fastening height position setting method of the same |
| CN205363214U (en) * | 2015-12-25 | 2016-07-06 | 昂华（上海）自动化工程股份有限公司 | Automatic device of screwing up of engine flywheel construction bolt |
| CN205834611U (en) * | 2016-07-07 | 2016-12-28 | 苏州威诺尔检测设备有限公司 | The clamping device of the up-to-date assembly of tightening machine |
| CN208246220U (en) * | 2018-04-27 | 2018-12-18 | 杭州蕙勒智能科技有限公司 | A kind of automatic screwing device |
| CN208262250U (en) * | 2018-05-21 | 2018-12-21 | 常熟市研拓自动化科技有限公司 | A kind of nut Auto-lock Machine structure |
| CN109158865A (en) * | 2018-11-19 | 2019-01-08 | 中国科学院沈阳自动化研究所 | A kind of automatic screwing device |
| CN208483489U (en) * | 2018-06-09 | 2019-02-12 | 苏州科技大学 | A kind of the turn of the screw equipment |
| CN209811691U (en) * | 2019-04-01 | 2019-12-20 | 比亚迪股份有限公司 | Control arm assembly quality |
| CN215999399U (en) * | 2021-09-27 | 2022-03-11 | 浙江万向系统有限公司 | Control arm nut screw-in tool |
| CN216097186U (en) * | 2021-07-13 | 2022-03-22 | 玛斯特轻量化科技(天津)有限公司 | Adjustable automatic position-changing clamping platform for support welding |
-
2022
- 2022-04-07 CN CN202210359237.3A patent/CN114559245B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014124722A (en) * | 2012-12-26 | 2014-07-07 | Nissan Motor Co Ltd | Automatic thread fastening device |
| JP2015009337A (en) * | 2013-07-01 | 2015-01-19 | 日東精工株式会社 | Automatic fastening machine and fastening height position setting method of the same |
| CN205363214U (en) * | 2015-12-25 | 2016-07-06 | 昂华（上海）自动化工程股份有限公司 | Automatic device of screwing up of engine flywheel construction bolt |
| CN205834611U (en) * | 2016-07-07 | 2016-12-28 | 苏州威诺尔检测设备有限公司 | The clamping device of the up-to-date assembly of tightening machine |
| CN208246220U (en) * | 2018-04-27 | 2018-12-18 | 杭州蕙勒智能科技有限公司 | A kind of automatic screwing device |
| CN208262250U (en) * | 2018-05-21 | 2018-12-21 | 常熟市研拓自动化科技有限公司 | A kind of nut Auto-lock Machine structure |
| CN208483489U (en) * | 2018-06-09 | 2019-02-12 | 苏州科技大学 | A kind of the turn of the screw equipment |
| CN109158865A (en) * | 2018-11-19 | 2019-01-08 | 中国科学院沈阳自动化研究所 | A kind of automatic screwing device |
| CN209811691U (en) * | 2019-04-01 | 2019-12-20 | 比亚迪股份有限公司 | Control arm assembly quality |
| CN216097186U (en) * | 2021-07-13 | 2022-03-22 | 玛斯特轻量化科技(天津)有限公司 | Adjustable automatic position-changing clamping platform for support welding |
| CN215999399U (en) * | 2021-09-27 | 2022-03-11 | 浙江万向系统有限公司 | Control arm nut screw-in tool |
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| CN114559245B (en) | 2024-05-24 |
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