CN112692560B - Automatic replacement equipment for tightening sleeve - Google Patents
Automatic replacement equipment for tightening sleeve Download PDFInfo
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- CN112692560B CN112692560B CN202110067888.0A CN202110067888A CN112692560B CN 112692560 B CN112692560 B CN 112692560B CN 202110067888 A CN202110067888 A CN 202110067888A CN 112692560 B CN112692560 B CN 112692560B
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- extension rod
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- sleeve
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- 230000000670 limiting effect Effects 0.000 claims abstract description 40
- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000003032 molecular docking Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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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Abstract
The invention provides automatic replacement equipment for a tightening sleeve, which comprises a tightening shaft, a non-standard extension rod and a support, wherein the tightening shaft is detachably connected with the upper part of the non-standard extension rod; the non-standard extension rod is provided with sleeves with different specifications; the support comprises a bottom plate, a fixing plate is arranged above the bottom plate in parallel, the fixing plate is connected with the bottom plate through a first baffle, through holes are formed in corresponding positions of the fixing plate and the bottom plate, non-standard extension rod guide cylinders are fixed on the through holes, and limiting assemblies are arranged on the non-standard extension rod guide cylinders. The automatic replacing equipment provided by the invention realizes automatic replacement of the screwing sleeve of the screwing station when the mixed line production machine type of the assembly line is switched, improves the automation degree, reduces the time and danger of manually switching and screwing the sleeve, and improves the production efficiency.
Description
Technical Field
The invention belongs to the technical field of automatic assembly equipment, and particularly relates to automatic replacement equipment for a screwing sleeve.
Background
In recent years, due to automobile emission regulations and vehicle performance requirements, the updating speed of the engine is accelerated; in order to meet the requirement of rapid change, automobile enterprises generally adopt a mixed flow production line to realize collinear production of a plurality of engines. It is a future trend that one engine assembly line can be compatible with various engine platforms and is easy to adapt to new engine models. At present, an engine assembly line generally adopts a robot to cooperate with a servo variable pitch mechanism to realize automatic flexible screwing of parts such as an oil pan, a cylinder cover and the like, and flexibility of corresponding stations of the assembly line is greatly improved.
Due to the fact that specifications of bolts of engines with different platforms are different, sleeves with different specifications are required to deal with production of different machine types. When the production of different machine types is switched, the production of another machine type is resumed after an operator manually replaces the sleeve. When the models of the production line are switched, after one automatic cycle of stations is finished, the safety door is opened in a manual mode, an operator enters the equipment to replace the sleeve, and then restarts the equipment and production after replacement, wherein the time is consumed for about 3-5 minutes each time, and the production line efficiency is greatly influenced when the multi-model mixed line is produced.
The Chinese patent CN110919341A discloses an automatic switching tightening sleeve mechanism, which comprises a tightening shaft mounting seat, wherein a clamping seat is fixedly mounted on the tightening shaft mounting seat, an air cylinder rod is fixedly mounted on the clamping seat, an annular rod groove is formed in the lower end part of the air cylinder rod, the cross section of the rod groove is an inclined groove surface, a plurality of steel balls are mounted in the rod groove, a slide steel is connected to the outer side of the air cylinder rod in a sliding manner, an inclined groove surface is formed in the lower end part of the inner side of the slide steel, the rod groove is positioned on the inner side of the slide steel, and an annular clamping groove is formed in the upper end part of a tightening head assembly; the invention utilizes the separated and modularized quick-change component to complete the replacement of the tightening sleeve, can realize the convenient and quick automatic replacement operation, ensures that the tightening equipment is more flexible and automatic, reduces the time and the danger of manually switching the tightening head, and improves the rhythm and the flexibility of the industry.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides automatic replacement equipment for a screwing sleeve, which is characterized in that a non-standard extension rod is connected with sleeves of different types, the upper end of the non-standard extension rod is connected with a screwing shaft on a robot through an elastic device, a support is designed for placing and replacing the non-standard extension rod and the sleeves, and each type of sleeve corresponds to one set of extension rod and support. When the machine type is switched, the robot drives the non-standard extension rod to rotate through the tightening shaft, so that the non-standard extension rod rotates into the support, and the non-standard extension rod is separated from the tightening shaft after limiting and fixing; when the replacement is carried out, the tightening shaft is connected with the non-standard extension rod to be replaced through the elastic device, the non-standard extension rod rotates reversely, and the non-standard extension rod to be replaced is taken. The time for manual replacement is saved, and the efficiency of mixed flow production is improved.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention provides automatic replacement equipment for a tightening sleeve, which comprises a tightening shaft, a non-standard extension rod and a support, wherein the tightening shaft is detachably connected with the upper part of the non-standard extension rod;
the non-standard extension rod sequentially comprises a connecting part, a fixing part, an extension part and a sleeve mounting part from top to bottom, the tightening shaft is connected with the connecting part, and the sleeve mounting part is used for mounting sleeves of different specifications;
the support comprises a bottom plate, a fixed plate is arranged above the bottom plate in parallel, the fixed plate is connected with the bottom plate through a first baffle, through holes are formed in the corresponding positions of the fixed plate and the bottom plate, non-standard extension rod guide cylinders are fixed on the through holes, and limiting assemblies are arranged on the non-standard extension rod guide cylinders;
the non-standard extension rod fixing part is matched with the limiting component for use and is used for fixing the non-standard extension rod.
In a preferred embodiment, in the automatic replacing apparatus of the tightening sleeve provided by the present invention, the tightening shaft is connected to the connecting portion of the non-standard extension rod by a resilient means, the resilient means is provided at an upper end thereof with a tightening shaft mounting portion and at a lower end thereof with a mounting hole extending like an inside of the resilient means, and the resilient means is provided at an outside thereof with a resilient snap clip which moves up and down as the connecting portion enters the mounting hole.
In a preferred embodiment, in the automatic replacement device for the tightening sleeve provided by the invention, a fixing steel ball is arranged inside the side wall of the mounting hole, the spherical surface of the fixing steel ball protrudes out of the inner wall of the mounting hole, and an elastic chuck is arranged at the lower end of the mounting hole.
In a preferred embodiment, in the automatic replacement device for the tightening sleeve provided by the invention, an arc-shaped structure is arranged on the connecting part of the non-standard extension rod, and the arc-shaped structure and the spherical surface protruding part of the fixed steel ball are mutually clamped and connected for fixing the non-standard extension rod.
In a preferred embodiment, in the automatic replacement device for the tightening sleeve provided by the invention, the fixing part of the non-standard extension rod is provided with a butt joint platform and a hexagonal fixing platform from top to bottom, the butt joint platform is matched with the elastic chuck for use, and the hexagonal fixing platform is matched with the limiting assembly for use.
In a preferred embodiment, in the automatic replacement device for the tightening sleeve provided by the invention, the limiting component comprises a moving clamping sleeve, a cover plate, a fixed column and a limiting plate which are matched with each other, and the moving clamping sleeve is sleeved on the upper part of the non-standard extension rod guide cylinder;
the movable cutting sleeve is a disc structure provided with a hexagonal through hole in the middle, a U-shaped bulge extends outwards from one side of the disc structure, and the hexagonal through hole is matched with the hexagonal fixing platform for use;
the cover plate is provided with a first fixing hole and a second fixing hole, the U-shaped bulge is connected with the first fixing hole through a pin, the second fixing hole is sleeved on the fixing column,
the limiting plate limits the position of the cover plate.
In a preferred embodiment, in the automatic replacement device for the tightening sleeve provided by the invention, the cover plate is provided with a first semicircular structure, the limiting plate is provided with a second semicircular structure, and the cover plate stops moving when the first semicircular structure and the second semicircular structure form a circle in the rotation process of the cover plate.
In a preferred embodiment, in the automatic replacing apparatus for a tightening sleeve provided by the present invention, the fixing plate includes a first fixing plate and a second fixing plate which are arranged in parallel from top to bottom, the first fixing plate is provided with a first through hole, the second fixing plate is provided with a second fixing hole, the upper end of the non-standard extension rod guide cylinder is fixed on the second fixing hole, and the lower end of the non-standard extension rod guide cylinder is fixed to the bottom plate through a bearing seat after passing through the bottom plate.
In a preferred embodiment, in the automatic replacing device for the tightening sleeve provided by the invention, a fixing bracket is arranged between the first fixing plate and the second fixing plate, and a circular ring-shaped bracket is arranged on the first through hole.
In a preferred embodiment, in the automatic replacing device for the tightening sleeve provided by the invention, two side faces adjacent to the first baffle are provided with second baffles, the second baffles are perpendicular to the first baffles, and the second baffles are connected with the fixing plate.
In a preferred embodiment, the present invention provides an automatic replacement device for a tightening sleeve, wherein the tightening shaft is rotated by a driving means.
In a preferred embodiment, in the automatic screwing sleeve replacing device provided by the invention, the driving device is a robot end servo sliding table.
The working process of the invention is as follows:
when the machine type is switched, the tightening shaft is driven by a servo sliding table at the tail end of a robot to drive the tightening shaft, the tightening shaft drives the non-standard extension rod to enable the upper end of the non-standard extension rod to enter a fixing hole in a support, then the tightening shaft is rotated to enable a hexagonal fixing platform on the non-standard extension rod to be in contact with a hexagonal through hole in the support, the tightening shaft is driven to rotate to enable the non-standard extension rod to rotate into the support, and after the non-standard extension rod is fixed by a limiting component in the support, the tightening shaft is lifted upwards to enable an elastic rotating shaft on the tightening shaft to be separated from the non-standard extension rod, so that the non-standard extension rod is separated from the tightening shaft; when the sleeves of other models are replaced, the tightening shaft is driven to be connected with the non-standard extension rod to be replaced through the elastic device, the non-standard extension rod is rotated reversely, the limiting effect of the limiting assembly is relieved, the non-standard extension rod is lifted upwards to be separated from the support, and the non-standard extension rod to be replaced is taken.
The invention has the following beneficial effects:
(1) according to the automatic replacing equipment for the tightening sleeve, the non-standard extension rod is connected with the sleeves of different machine types, and the support for fixing the non-standard extension rod and the sleeves of different machine types is designed, so that when the machine types of the assembly line mixed production are switched, the tightening sleeve at the tightening station is automatically replaced, the automation degree is improved, the time and the danger for manually switching the tightening sleeve are reduced, and the production efficiency is improved.
(2) According to the automatic replacement equipment for the tightening sleeve, the non-standard extension rod and the tightening shaft are connected through the elastic device, an additional control mode is not required to be added, and the connection and disconnection between the non-standard extension rod and the tightening shaft are simpler and faster.
(3) According to the automatic replacement equipment for the screwed sleeve, the hexagonal fixing platform of the non-standard extension rod is mutually clamped with the hexagonal through hole in the support, the non-standard extension rod is fixed through the limiting assembly in the support after installation, damage caused by shaking of the non-standard extension rod is prevented, the non-standard extension rod can be separated from manufacture only by removing limitation during taking, and the automatic replacement equipment is more beneficial to realizing an automatic process.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a non-standard extension rod according to the present invention;
FIG. 3 is a schematic view of the stand according to the present invention;
FIG. 4 is a cross-sectional view of a support according to the present invention;
FIG. 5 is a schematic view of the elastic device of the present invention;
FIG. 6 is a schematic view of a connecting structure of a non-standard extension rod and an elastic device according to the present invention;
FIG. 7 is a schematic cross-sectional view of a non-standard extension pole of the present invention after being fixed to a support;
FIG. 8 is a schematic diagram of a mobile card sleeve structure according to the present invention;
FIG. 9 is a schematic view of the cover plate structure of the present invention;
FIG. 10 is a schematic diagram of a limiting plate according to the present invention;
the above reference numerals:
1. a drive device; 2. screwing a shaft; 3. an elastic device; 4. a non-standard extension rod; 5. a support; 6. a sleeve;
31. a tightening shaft mounting portion; 32. mounting holes; 33. elastic quick clamping; 34. fixing the steel ball; 35. an elastic collet;
41. a connecting portion; 42. a fixed part; 43. an extension; 44. a sleeve mounting portion;
411. an arc-shaped structure;
421. a docking platform; 422. a hexagonal fixed platform;
51. a base plate; 52. a first fixing plate; 53. a second fixing plate; 54. a first baffle plate; 55. a standard extension rod guide cylinder; 56. a limiting component; 57. a bearing seat; 58. a second baffle; 59. fixing a bracket; 60. a circular ring-shaped bracket;
521. a first through hole; 531. a second through hole;
561. moving the cutting sleeve; 562. a cover plate; 563. fixing a column; 564. a limiting plate;
5611. a hexagonal through hole; 5612. a U-shaped bulge;
5621. a first fixing hole; 5622 second fixing holes; 5623. a first semicircular structure;
5641. a second semi-circular configuration.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1 to 10, the present embodiment provides an automatic replacement apparatus for tightening sockets, which includes a tightening shaft 2, a non-standard extension rod 4, and a support 5, wherein the tightening shaft 2 is detachably connected to an upper portion of the non-standard extension rod 4, and the non-standard extension rod 4 is detachably connected to the support 5.
In the specific implementation process, as shown in fig. 1, the tightening shaft 2 is controlled by a driving device 1, the driving device 1 is a robot end servo sliding table, the robot drives the tightening shaft 2 to move, and the tightening shaft 2 drives the non-standard extension rod 4 to move up and down, so that the non-standard extension rod 4 is fixed on the support 5.
In this embodiment, the robot end servo slide and the tightening shaft 2 are both devices commonly used in the prior art, and the detailed structure thereof is not described herein.
The non-standard extension rod 4 comprises a connecting part 41, a fixing part 42, an extension part 43 and a sleeve mounting part 44 from top to bottom in sequence, the tightening shaft 2 is connected with the connecting part 41, and the sleeve mounting part 44 is used for mounting sleeves of different specifications.
As a further improved technical scheme, the tightening shaft 2 is connected with a connecting part 41 of a non-standard extension rod 4 through an elastic device 3, the upper end of the elastic device 3 is provided with a tightening shaft mounting part 31, the lower end of the elastic device is provided with a mounting hole 32 extending like the inside of the elastic device, the outer part of the elastic device 3 is provided with an elastic quick clamp 33, and the elastic quick clamp 33 moves up and down along with the connection part 41 entering the mounting hole 32.
The inside of the lateral wall of the mounting hole 32 is provided with a fixed steel ball 34, the spherical surface of the fixed steel ball 34 protrudes out of the inner wall of the mounting hole 32, and the lower end of the mounting hole 32 is provided with an elastic chuck 35.
The connecting portion 41 of the non-standard extension rod 4 is provided with an arc structure 411, and the arc structure 411 and the spherical protruding portion of the fixing steel ball 34 are mutually clamped and connected for fixing the upper end of the non-standard extension rod 4.
In the present embodiment, as shown in fig. 2, the non-standard extension rod 4 includes a connecting portion 41, a fixing portion 42, an extending portion 43, and a sleeve mounting portion 44 from top to bottom, where the connecting portion 41 is used for connecting with the elastic device 2, the fixing portion 42 is used for fixing on the support 5, and the sleeve mounting portion 44 is used for mounting a sleeve.
The connecting portion 41 is further provided with an arc-shaped structure 411 for cooperating with the fixing steel ball 34 of the elastic device 3.
In the specific implementation process, as shown in fig. 5 to 6, the upper end of the elastic device 3 is a tightening shaft mounting portion 31, and the lower end of the elastic device is provided with a mounting hole 32 for receiving the connecting portion 41 of the non-standard extension rod 4, when the connecting portion 41 of the non-standard extension rod 4 enters the mounting hole 32 in the use process, firstly, the connecting portion 41 of the non-standard extension rod 4 presses the elastic chuck 35, at this time, the elastic snap 33 moves upwards along the outer wall of the elastic device 3, and after the end surface of the connecting portion 41 abuts against the upper end of the mounting hole 32, the arc-shaped structure 411 of the connecting portion 41 is just clamped on the fixing steel ball 34 when the connecting portion 41 falls downwards, so that the fixing between the elastic device 3 and the non-standard extension rod 4 is realized.
As a further improved technical solution, the fixing portion 42 of the non-standard extension rod 4 is provided with a docking platform 421 and a hexagonal fixing platform 422 from top to bottom, the docking platform 421 is used in cooperation with the collet 35, and the hexagonal fixing platform 422 is used in cooperation with the limiting component 56.
In the specific implementation process, the upper end of the fixing portion 42 is provided with a docking platform 421, and the docking platform 421 is arranged to keep stable when the elastic device 3 is docked with the non-standard extension rod 4; the lower end of the butt joint platform 421 is provided with a hexagonal fixing platform 422, and the hexagonal fixing platform is connected with a hexagonal movable clamping sleeve 561 in the limiting component 56 in the support 5, so that the limiting function is achieved, and the non-standard extension rod 4 is fixed.
The support 5 comprises a bottom plate 51, a fixing plate is arranged above the bottom plate 51 in parallel, the fixing plate is connected with the bottom plate 51 through a first baffle 54, through holes are formed in corresponding positions of the fixing plate and the bottom plate 51, a non-standard extension rod guide cylinder 55 is fixed on the through holes, a limiting component 56 is arranged on the non-standard extension rod guide cylinder 55, and a fixing part 42 of a non-standard extension rod 4 is matched with the limiting component 56 for use and used for fixing the non-standard extension rod.
As a further improved technical scheme, the fixing plate comprises a first fixing plate 52 and a second fixing plate 53 which are arranged in parallel from top to bottom, a first through hole 521 is formed in the first fixing plate 52, a second through hole 531 is formed in the second fixing plate 53, the upper end of the nonstandard extension rod guide cylinder 55 is fixed to the second through hole 531, and the lower end of the nonstandard extension rod guide cylinder passes through the bottom plate 51 and then is fixed with the bottom plate through a bearing seat 57.
Two adjacent side surfaces of the first baffle plate 54 are provided with second baffle plates 58, the second baffle plates 58 are perpendicular to the first baffle plate 54, and the second baffle plates 58 are connected with the fixed plate.
A fixing bracket 59 is arranged between the first fixing plate 52 and the second fixing plate 53, and a circular bracket 60 is arranged on the first through hole 521.
In this embodiment, as shown in fig. 3 to 4, the support 5 is sequentially provided with a first fixing plate 52, a second fixing plate 53 and a bottom plate 51 from top to bottom in parallel, wherein two sides of the first fixing plate 52, the second fixing plate 53 and the bottom plate 51 are respectively connected through the first baffle plate 54, two side surfaces adjacent to the first baffle plate 54 are provided with second baffle plates 58, wherein the second baffle plates 58 are connected with the first fixing plate 52 and the second fixing plate 53, and a fixing bracket 59 is further provided between the first fixing plate 52 and the second fixing plate 53.
Through holes are formed in corresponding positions of the first fixing plate 52, the second fixing plate 53 and the bottom plate 51, wherein a first through hole 521 is formed in the first fixing plate, a second through hole 531 is formed in the second fixing plate, as shown in fig. 4, the annular bracket 60 is arranged on the first fixing hole 521, and the non-standard extension rod guide cylinder 55 is arranged on the second through hole 531. The upper end of the non-standard extension rod guide cylinder 55 is provided with a limiting component 56.
As a further improved technical solution, as shown in fig. 8-10, the limiting component 56 includes a moving sleeve 561, a cover plate 562, a fixed column 563 and a limiting plate 564, which are used in cooperation, and the moving sleeve 561 is disposed on the upper portion of the non-standard extension rod guide cylinder 55.
The movable clamping sleeve 561 is a disc structure provided with a hexagonal through hole 5611 in the middle, a U-shaped protrusion 5612 extends outwards from one side of the disc structure, and the hexagonal through hole 5611 is matched with the hexagonal fixing platform 422 for use.
Be equipped with first fixed orifices 5621 and second fixed orifices 5622 on the apron 562, the protruding 5612 of U type links to each other through the pin with first fixed orifices 5621, and on the fixed column 563 was located to the cover of second fixed orifices 5622 cover, the limiting plate 564 was injectd the apron 562 position.
Be equipped with first semicircle structure 5623 on the apron 562, be provided with second semicircle structure 5642 on the limiting plate 564, during apron 562 rotates, first semicircle structure 5623 constructs the component circle with second semicircle structure 5642, and apron 562 stop the motion.
In this embodiment, the limiting component 56 includes a movable clamping sleeve 561, a cover plate 562, a fixed column 563 and a limiting plate 564, which are used in cooperation with each other, wherein the movable clamping sleeve 561 is a disc-shaped structure, a hexagonal through hole 5611 is provided at a middle position thereof, and is used in cooperation with the hexagonal fixing platform 422 of the nonstandard extension rod 4, and a U-shaped protrusion 5612 of the inserting arm structure is formed by extending one side of the disc-shaped structure outwards and is used in cooperation with the cover plate 562.
The cover plate 562 is a plate-shaped structure, the two opposite ends of the cover plate are respectively provided with a first fixing hole 5621 and a second fixing hole 5622, a first semicircular structure 5623 is arranged on one side adjacent to the first fixing hole 5621 and the second fixing hole 5622, and the limiting plate 564 is a plate-shaped structure provided with a second semicircular structure 5641 on one side.
In the using process, the U-shaped protrusion 5612 of the movable sleeve 561 is connected with the first fixing hole 5621 of the cover plate 562 through a pin, the second fixing hole 5622 is sleeved on the fixing column 563, the fixing column 563 is used for limiting the moving range of the cover plate 562, when the hexagonal fixing platform 422 of the non-standard extension rod 4 is clamped in the hexagonal through hole 5611 of the movable sleeve 561, the non-standard extension rod 4 is rotated to drive the movable sleeve 561 to rotate, the movable sleeve 561 drives the cover plate 562 to rotate, because the other end of the cover plate 562 is fixed by the fixing column 563, the cover plate 562 rotates with the second fixing hole 5622 as a circle center, when the cover plate 562 rotates to the position of the limit plate 564, when the first semicircular structure 5623 of the cover plate 562 and the second semicircular structure 5641 of the limit plate 564 form a complete circle, the cover plate 562 stops moving.
The working process is as follows:
the tightening shaft 2 is connected with the non-standard extension rod 4 through the elastic device 3, the lower end of the non-standard extension rod 4 is connected with the sleeve 6, when the machine type is switched, the tightening shaft 2 is driven through a servo sliding table at the tail end of a robot, the tightening shaft 2 drives the non-standard extension rod 4, the connecting part 41 on the non-standard extension rod 4 enters the fixing hole on the support 5, then the tightening shaft 2 is rotated, after the hexagonal fixing platform 422 on the non-standard extension rod 4 is contacted with the hexagonal through hole 5611 on the support 5, the tightening shaft 2 is driven to rotate, the non-standard extension rod 4 is rotated into the support 5, after the fixing is carried out by the limiting component 56 in the support, the tightening shaft 2 is lifted upwards, the elastic device 3 on the tightening shaft 2 is separated from the non-standard extension rod 4, and the non-standard extension rod 4 is separated from the tightening shaft 2; when the sleeves 6 of other types are replaced, the tightening shaft 2 is driven to connect the tightening shaft 2 with the non-standard extension rod 4 to be replaced through the elastic device 3, the non-standard extension rod 4 is rotated reversely, the limiting effect of the limiting component 56 is relieved, the non-standard extension rod 4 is lifted upwards to be separated from the support 5, and the non-standard extension rod 4 to be replaced is taken out.
According to the automatic replacing equipment for the tightening sleeve, the non-standard extension rod is connected with the sleeves of different machine types, and the support for fixing the non-standard extension rod and the sleeves of different machine types is designed, so that when the machine types of the assembly line mixed production are switched, the tightening sleeve at the tightening station is automatically replaced, the automation degree is improved, the time and the danger for manually switching the tightening sleeve are reduced, and the production efficiency is improved.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and is not intended to limit the practice of the invention to these embodiments. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (5)
1. The automatic replacement equipment for the tightening sleeve is characterized by comprising a tightening shaft, a non-standard extension rod and a support, wherein the tightening shaft is detachably connected with the upper part of the non-standard extension rod, and the non-standard extension rod is detachably connected with the support;
the non-standard extension rod sequentially comprises a connecting part, a fixing part, an extension part and a sleeve mounting part from top to bottom, the tightening shaft is connected with the connecting part, and the sleeve mounting part is used for mounting sleeves of different specifications;
the support comprises a bottom plate, a fixed plate is arranged above the bottom plate in parallel, the fixed plate is connected with the bottom plate through a first baffle, through holes are formed in the corresponding positions of the fixed plate and the bottom plate, non-standard extension rod guide cylinders are fixed on the through holes, and limiting assemblies are arranged on the non-standard extension rod guide cylinders;
the non-standard extension rod fixing part is matched with the limiting component for use and is used for fixing the non-standard extension rod;
the tightening shaft is connected with the connecting part of the non-standard extension rod through an elastic device, the upper end of the elastic device is provided with a tightening shaft mounting part, the lower end of the elastic device is provided with a mounting hole extending towards the inside of the elastic device, the outside of the elastic device is provided with an elastic quick clamp, and the elastic quick clamp moves up and down along with the entering of the connecting part into the mounting hole;
a fixed steel ball is arranged inside the side wall of the mounting hole, the spherical surface of the fixed steel ball protrudes out of the inner wall of the mounting hole, and an elastic chuck is arranged at the lower end of the mounting hole;
a butt joint platform and a hexagonal fixing platform are arranged on the fixing part of the non-standard extension rod from top to bottom, the butt joint platform is matched with the elastic chuck for use, and the hexagonal fixing platform is matched with the limiting assembly for use;
the limiting assembly comprises a moving clamping sleeve, a cover plate, a fixed column and a limiting plate which are matched with each other, and the moving clamping sleeve is sleeved on the upper part of the non-standard extension rod guide cylinder;
the movable cutting sleeve is a disc structure provided with a hexagonal through hole in the middle, a U-shaped bulge extends outwards from one side of the disc structure, and the hexagonal through hole is matched with the hexagonal fixing platform for use;
the cover plate is provided with a first fixing hole and a second fixing hole, the U-shaped bulge is connected with the first fixing hole through a pin, the second fixing hole is sleeved on the fixing column,
the limiting plate limits the position of the cover plate;
the cover plate is provided with a first semicircular structure, the limiting plate is provided with a second semicircular structure, and in the rotating process of the cover plate, when the first semicircular structure and the second semicircular structure form a circle, the cover plate stops moving.
2. The automatic replacing equipment for the tightening sleeve according to claim 1, wherein an arc structure is arranged on the connecting portion of the non-standard extension rod, and the arc structure and the spherical surface protruding portion of the fixed steel ball are mutually clamped and connected for fixing the non-standard extension rod.
3. The automatic replacing equipment for the tightening sleeve according to claim 1, wherein the fixing plates comprise a first fixing plate and a second fixing plate which are arranged in parallel from top to bottom, a first through hole is formed in the first fixing plate, a second fixing hole is formed in the second fixing plate, the upper end of the non-standard extension rod guide cylinder is fixed to the second fixing hole, and the lower end of the non-standard extension rod guide cylinder is fixed to the bottom plate through a bearing seat after penetrating through the bottom plate.
4. The automatic replacing device for the tightening sleeve according to claim 3, wherein a fixing bracket is arranged between the first fixing plate and the second fixing plate, and a circular ring-shaped bracket is arranged on the first through hole.
5. The automatic screwing sleeve replacing device according to claim 1, wherein a second baffle is arranged on two side faces adjacent to the first baffle, the second baffle is perpendicular to the first baffle, and the second baffle is connected with the fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110067888.0A CN112692560B (en) | 2021-01-19 | 2021-01-19 | Automatic replacement equipment for tightening sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110067888.0A CN112692560B (en) | 2021-01-19 | 2021-01-19 | Automatic replacement equipment for tightening sleeve |
Publications (2)
| Publication Number | Publication Date |
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| CN115625517B (en) * | 2022-10-20 | 2024-02-02 | 燕山大学 | Automatic sleeve replacement device |
| CN116117501B (en) * | 2023-04-17 | 2023-07-18 | 潍柴动力股份有限公司 | Sleeve structure, sleeve automatic replacement device and bolt installation equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN211438898U (en) * | 2019-12-20 | 2020-09-08 | 神州高铁技术股份有限公司 | Nut sleeve, wheel dismounting mechanism and automatic wheel dismounting device |
| CN111805224A (en) * | 2020-08-07 | 2020-10-23 | 上汽通用五菱汽车股份有限公司 | Automatic sleeve replacing system for bolt tightening station |
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| JP2006239840A (en) * | 2005-03-04 | 2006-09-14 | Kaden Chin | Holder structure of tool bit |
| CN103612113B (en) * | 2013-10-29 | 2016-03-02 | 杭州电子科技大学 | PZT (piezoelectric transducer) nut and box spanner alignment device |
| CN203579151U (en) * | 2013-11-08 | 2014-05-07 | 陈世江 | Quick sleeve replacing mechanism for machine |
| CN206263559U (en) * | 2016-08-31 | 2017-06-20 | 广州明珞汽车装备有限公司 | A kind of screw-type sleeve quick-changing mechanism |
| CN106239113B (en) * | 2016-08-31 | 2019-06-04 | 广州明珞汽车装备有限公司 | A kind of screw-type sleeve quick-changing mechanism and method |
| CN106363409B (en) * | 2016-12-06 | 2018-11-20 | 重庆斯克特科技有限公司 | A kind of sleeve exchanging device and automatic tightening system |
| CN107322541A (en) * | 2017-07-31 | 2017-11-07 | 广汽菲亚特克莱斯勒汽车有限公司 | A kind of engine and gearbox attach together platform and attach together method |
| CN107639397B (en) * | 2017-11-06 | 2023-07-14 | 长沙理工大学 | Chain type full-automatic lighter barrel disc inserting machine |
| CN207953701U (en) * | 2018-01-19 | 2018-10-12 | 广西汽车集团有限公司 | Sleeve conversion equipment |
| CN110614502A (en) * | 2019-09-18 | 2019-12-27 | 天永机械电子（太仓）有限公司 | Automatic sleeve replacing device for extension rod |
| CN110788606A (en) * | 2019-10-29 | 2020-02-14 | 天永机械电子（太仓）有限公司 | Sleeve quick-change mechanism |
| CN211102616U (en) * | 2019-11-13 | 2020-07-28 | 上海能隆智能设备有限公司 | Automatic sleeve replacing mechanism of full-automatic tightening machine |
| CN110722349A (en) * | 2019-11-21 | 2020-01-24 | 深圳市鸿富精研科技有限公司 | Automatic switch criticizes first device |
| CN110919341A (en) * | 2019-12-12 | 2020-03-27 | 安徽航大智能科技有限公司 | Automatic switching and screwing sleeve mechanism |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211438898U (en) * | 2019-12-20 | 2020-09-08 | 神州高铁技术股份有限公司 | Nut sleeve, wheel dismounting mechanism and automatic wheel dismounting device |
| CN111805224A (en) * | 2020-08-07 | 2020-10-23 | 上汽通用五菱汽车股份有限公司 | Automatic sleeve replacing system for bolt tightening station |
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