CN112223143A - Flexible positioning switching mechanism - Google Patents

Flexible positioning switching mechanism Download PDF

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Publication number
CN112223143A
CN112223143A CN202011006547.4A CN202011006547A CN112223143A CN 112223143 A CN112223143 A CN 112223143A CN 202011006547 A CN202011006547 A CN 202011006547A CN 112223143 A CN112223143 A CN 112223143A
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CN
China
Prior art keywords
positioning
block
connecting rod
cylinder
rod
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Pending
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CN202011006547.4A
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Chinese (zh)
Inventor
陈晶晶
谭秀阳
林华
张峰
朱成云
洪宽智
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Great Yanlong Auto Equipment Manufacturing Co ltd
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Great Yanlong Auto Equipment Manufacturing Co ltd
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Filing date
Publication date
Application filed by Great Yanlong Auto Equipment Manufacturing Co ltd filed Critical Great Yanlong Auto Equipment Manufacturing Co ltd
Priority to CN202011006547.4A priority Critical patent/CN112223143A/en
Publication of CN112223143A publication Critical patent/CN112223143A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)

Abstract

The invention belongs to the technical field of automobile manufacturing, and particularly relates to a flexible positioning switching mechanism. The flexible positioning switching mechanism comprises a switching device and a multi-positioning mechanism; the switching device comprises an upper switching collision block mechanism, the upper switching collision block mechanism comprises a sliding table mechanism capable of horizontally sliding and a collision block mechanism for colliding the multiple positioning mechanisms, and the sliding table mechanism drives the collision block mechanism to horizontally slide; the multi-positioning mechanism comprises at least one positioning block corresponding to the vehicle type and at least one group of link mechanisms, the group of link mechanisms are correspondingly connected with the positioning block, and the link mechanisms drive the positioning block to lift or descend through the impact of the collision block mechanisms. The invention has simple structure and high practicability and can meet the positioning requirement of multi-vehicle type mixed line production.

Description

Flexible positioning switching mechanism
Technical Field
The invention belongs to the technical field of automobile manufacturing, and particularly relates to a flexible positioning switching mechanism.
Background
At present, more and more automobile production lines are required to realize multi-vehicle type mixed line production, and automobile production equipment is required to be capable of meeting the sharing of multiple vehicle types. Due to the fact that the shapes of the parts of the vehicle bodies of the multiple vehicle types are different and the production process is different, the positioning mechanism can meet the requirement for positioning the parts of the vehicle bodies of the multiple vehicle types.
Disclosure of Invention
The invention aims to solve the technical problem that a mechanism meets the positioning requirement of parts of a multi-vehicle-type vehicle body in the prior art for meeting the requirements of different shapes and different production processes of the parts of the multi-vehicle-type vehicle body, and aims to provide a flexible positioning switching mechanism.
The flexible positioning switching mechanism comprises a switching device and a multi-positioning mechanism;
the switching device comprises an upper switching collision block mechanism, the upper switching collision block mechanism comprises a sliding table mechanism capable of horizontally sliding and a collision block mechanism for colliding the multiple positioning mechanisms, and the sliding table mechanism drives the collision block mechanism to horizontally slide;
the multi-positioning mechanism comprises at least one positioning block corresponding to the vehicle type and at least one group of link mechanisms, one group of link mechanisms is correspondingly connected with one positioning block, and the link mechanisms drive the positioning blocks to lift up or descend through the impact of the collision block mechanisms.
One positioning block of the invention corresponds to one vehicle type, and when a certain vehicle type needs to be produced, the aim of positioning the vehicle body parts of the vehicle type can be realized only by synchronously switching the positioning blocks corresponding to the vehicle type. During switching, the driving sliding table mechanism drives the collision block mechanism to horizontally slide to a preset position, the collision position of the collision block mechanism corresponds to a positioning block to be switched, the collision link mechanism is collided by the collision block mechanism to drive the positioning block to be lifted, the switching purpose is realized, and the workpiece loading production can be carried out after the switching is finished. When another vehicle type is required to be produced, the original positioning block is lowered in the same mode, and the positioning block corresponding to the new vehicle type is lifted.
The slip table mechanism includes the frame, is located guide rail on the frame, with guide rail sliding connection's connecting piece, be located the telescopic cylinder of connecting piece side, telescopic cylinder's piston rod transversely sets up and connects the connecting piece, through telescopic cylinder's piston rod is flexible to be driven the connecting piece is in horizontal slip on the guide rail.
The collision block mechanism comprises a collision block cylinder, a connecting plate and a collision block, a piston rod of the collision block cylinder is vertically arranged, the connecting plate is arranged on the top end face of the piston rod, the collision block is arranged on the bottom face of the connecting plate, and the collision block is driven by the collision block cylinder to collide the connecting rod mechanism through the expansion of the collision block cylinder;
the front end of the connecting piece is provided with the striking block cylinder, and the striking block cylinder is driven to horizontally move through the horizontal sliding of the connecting piece so as to drive the striking block to horizontally move.
The collision block cylinder preferably adopts a double-guide-rod cylinder, a cylinder shell of the double-guide-rod cylinder is fixed with the connecting piece, and the top end face of the double-guide-rod cylinder is fixed with the connecting plate.
The switching device further comprises a lower multi-position limiting mechanism, the lower multi-position limiting mechanism is located below one side of the upper switching collision block mechanism, and the lower multi-position limiting mechanism is used for limiting the sliding process of the sliding table mechanism in a multi-position mode.
The lower multi-position limiting mechanism comprises a supporting seat, at least one group of limiting mechanisms is arranged on the supporting seat, each limiting mechanism comprises a pressing arm and a hinge cylinder, the pressing arm and the hinge cylinder are rotatably connected with the supporting seat, a piston rod of the hinge cylinder is vertically arranged, a trunnion is connected with one end of the pressing arm, and a movable limiting block is arranged at the other end of the pressing arm;
the moving end of the sliding table mechanism is provided with a position sensor, when a piston rod of the hinge cylinder moves upwards to drive the pressing arm to rotate so that the pressing arm clamps the movable limiting block in place, and after the moving end of the sliding table mechanism moves in place, the sensing surface of the position sensor is higher than the top surface of the limiting block.
The middle part of the pressure arm is rotatably connected with the supporting seat through a rotating shaft, and the axial direction of the rotating shaft is transverse.
The pressure arm comprises a first support arm and a second support arm integrally manufactured with the first support arm, one end of the first support arm is connected with a piston rod of the hinge cylinder, the other end of the first support arm is connected with one end of the second support arm, and the side wall of the other end of the second support arm is provided with the movable limiting block;
the first support arm and the second support arm are connected at a preset angle, and the joint of the first support arm and the second support arm is connected with the support seat in a rotating mode through the rotating shaft.
The supporting seat is further provided with a fixed limiting block, and the fixed limiting block is located on the side edge of the movable limiting block.
The connecting rod mechanism comprises two connecting rods and a stop rod arranged on the connecting rods, the connecting rods are rotatably connected to the positioning seat through connecting shafts, one end of each connecting rod is provided with a bearing, the other end of one connecting rod is detachably connected with the positioning block, and the collision block mechanism drives the connecting rods to move downwards through the impact on the bearings;
the two stop rods are oppositely arranged, a fixture block used for limiting the stop rods is arranged between the two stop rods, a spring used for resetting is arranged on the back of the fixture block, at least one pawl is arranged on the fixture block, one stop rod is located above the pawl, and the other stop rod is located below the pawl.
Every the connecting rod all includes first connecting rod, second connecting rod and third connecting rod, the shelves pole with the bearing is located on the first connecting rod, first connecting rod passes through the connecting axle rotates to be connected on the positioning seat, second connecting rod one end with first connecting rod rotates to be connected, the second connecting rod other end with the third connecting rod rotates to be connected, the third connecting rod is connected the locating piece, the third connecting rod rotates through another connecting axle and connects on the positioning seat.
The positioning seat is an inverted L-shaped positioning seat, the first connecting rod and the third connecting rod are rotatably connected to the transverse section of the positioning seat, the second connecting rod is located below the transverse section of the positioning seat, and the second connecting rod is limited by the transverse section of the positioning seat;
supporting blocks are respectively arranged on two sides of the vertical section of the positioning seat, and the third connecting rod is supported on the supporting blocks.
The first connecting rod adopts the style of calligraphy of falling V connecting rod, the second connecting rod is the straight-bar, the third connecting rod adopts the style of calligraphy of falling U connecting rod and the opening angle between horizontal segment and the vertical section is greater than 90 degrees.
The top surface of the positioning seat is also detachably fixed with another positioning block, and after the positioning block connected with the connecting rod is lifted, the positioning height of the positioning block connected with the connecting rod is higher than that of the positioning block fixed on the positioning seat.
The fixture block is fixed on the connecting block through the fixture shaft, and the connecting block is fixed on the positioning seat.
When the number of the connecting rod mechanisms is at least two, the clamping blocks in the at least two connecting rod mechanisms share one clamping shaft to be fixed on the connecting block.
The positive progress effects of the invention are as follows: the flexible positioning switching mechanism is adopted, the structure is simple, the practicability is high, the positioning requirement of multi-vehicle type mixed line production can be met, the positioning structure adopts a pure mechanical structure with a plurality of groups of connecting rods, the multiple positioning mechanisms can move and convey along with the vehicle body, and power such as gas and electricity is not needed.
Drawings
FIG. 1 is a schematic view of an overall structure of the present invention;
FIG. 2 is another schematic structural view of FIG. 1;
FIG. 3 is a side view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is an enlarged view of a lower multi-position limiting mechanism according to the present invention;
FIG. 6 is an enlarged view of a multi-positioning mechanism according to the present invention;
fig. 7 is a partially enlarged top view of fig. 6.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific drawings.
Referring to fig. 1 to 7, the flexible positioning switching mechanism includes a switching device and a multi-positioning mechanism.
The switching device comprises an upper switching collision block mechanism and a lower multi-position limiting mechanism, wherein the lower multi-position limiting mechanism is positioned below one side of the upper switching collision block mechanism.
The upper part switching collision block mechanism comprises a sliding table mechanism capable of horizontally sliding and a collision block mechanism used for colliding the multi-positioning mechanism, and the sliding table mechanism drives the collision block mechanism to horizontally slide. The lower multi-position limiting mechanism carries out multi-position limiting on the sliding process of the sliding table mechanism.
The sliding table mechanism comprises a frame 11, a guide rail 12 positioned on the frame 11, a connecting piece 13 connected with the guide rail 12 in a sliding mode, and a telescopic cylinder 14 positioned on the side edge of the connecting piece 13, wherein a piston rod of the telescopic cylinder 14 is transversely arranged and connected with the connecting piece 13, and the connecting piece 13 is driven to horizontally slide on the guide rail 12 through the telescopic action of the piston rod of the telescopic cylinder 14.
The collision block mechanism comprises a collision block cylinder 21, a connecting plate 22 and a collision block 23, a piston rod of the collision block cylinder 21 is vertically arranged, the connecting plate 22 is arranged on the top end face of the piston rod, the collision block 23 is arranged on the bottom face of the connecting plate 22, and the collision block 23 is driven by the telescopic action of the collision block cylinder 21 to collide with the connecting rod mechanism. The front end of the connecting piece 13 is provided with a striking block cylinder 21, and the striking block cylinder 21 is driven to horizontally move through the horizontal sliding of the connecting piece 13, so that the striking block 23 is driven to horizontally move. The collision block cylinder 21 preferably adopts a double-guide-rod cylinder, a cylinder shell of the double-guide-rod cylinder is fixed with the connecting piece, and the top end face of the double-guide-rod cylinder is fixed with the connecting plate.
The lower multi-position limiting mechanism comprises a supporting seat 31, at least one group of limiting mechanism is arranged on the supporting seat 31, the limiting mechanism comprises a pressing arm 32 and a hinge cylinder 33 which are rotatably connected with the supporting seat 31, a piston rod of the hinge cylinder 33 is vertically arranged, a trunnion is connected with one end of the pressing arm 32, and a movable limiting block 34 is arranged at the other end of the pressing arm 32. The middle part of the pressure arm 32 is rotatably connected with the support seat 31 through a rotating shaft, and the axial direction of the rotating shaft is transverse. The pressure arm preferably comprises a first support arm and a second support arm integrally formed with the first support arm, one end of the first support arm is connected with a piston rod of the hinge cylinder, the other end of the first support arm is integrally connected with one end of the second support arm, and a movable limiting block is arranged on the side wall of the other end of the second support arm. The first support arm and the second support arm are connected at a predetermined angle, for example, at 135 degrees. The joint of the first support arm and the second support arm is rotatably connected with the support seat through a rotating shaft.
The supporting seat 31 is further provided with a fixed limiting block 35, and the fixed limiting block 35 is located at the side of the movable limiting block 34. The moving end of the sliding table mechanism is provided with a position sensor 36, when the piston rod of the hinge cylinder 33 moves upwards to drive the pressing arm 32 to rotate so that the pressing arm 32 clamps the movable limiting block 34 in place, and after the moving end of the sliding table mechanism moves in place, the sensing surface of the position sensor 36 is higher than the top surface of the limiting block. As shown in fig. 5, two sets of limiting mechanisms are arranged on the supporting seat 31, one fixed limiting block 35 is arranged on the right side, and the two movable limiting blocks 34 and the one fixed limiting block 35 form three limiting positions, so that the limitation of the sliding process of the sliding table mechanism can be realized by switching the limiting blocks. When the telescopic cylinder 14 is used in the slide table mechanism, a piston rod of the telescopic cylinder 14 serves as a moving end, a fixed block may be provided at an end of the piston rod, and the position sensor 36 may be provided on the fixed block. When the piston rod of the telescopic cylinder 14 extends, if the hinge cylinder 33 does not work, the position sensor 36 touches the fixed limit block 35 to determine the position. If the hinge cylinder 33 in any one set of limiting mechanisms works to lift the pressure arm 32, the position sensor 36 touches the movable limiting block 34 on the lifted pressure arm 32 to determine the position. The position sensor 36 may be a contact sensor or a proximity sensor.
The multi-positioning mechanism comprises at least one positioning block 41 corresponding to the vehicle type and at least one group of link mechanisms, the group of link mechanisms are correspondingly connected with the positioning block 41, and the link mechanisms drive the positioning block 41 to lift up or descend through the impact of the impact mechanism. Each group of link mechanisms comprises two connecting rods 42 and a stop rod 43 arranged on the connecting rods 42, the connecting rods 42 are rotatably connected to the positioning seat through connecting shafts, one end of each connecting rod 42 is provided with a bearing 44, and each bearing 44 is tightly locked and installed on the connecting rod 42 through respective nuts. The other end of one of the connecting rods 42 is detachably connected with the positioning block 41, and the striking block mechanism drives the connecting rod 42 to move downwards through striking on the bearing 44.
Referring to fig. 3, 6 and 7, the two stop rods 43 are oppositely arranged, a fixture block 45 for limiting the stop rods 43 is arranged between the two stop rods 43, the fixture block 45 is fixed on the connecting block through a fixture shaft, and the connecting block is fixed on the positioning seat. When the link mechanism is at least two, at least two fixture blocks 45 share one fixture shaft to be fixed on the connecting block, namely, the fixture shaft crosses a plurality of fixture blocks 45 and two ends of the fixture shaft are fixed on the connecting block. The back of each fixture block 45 is provided with a spring 46 for return, the fixture block 45 is provided with at least one pawl 47, one stop lever 43 is positioned above the pawl 47, and the other stop lever 43 is positioned below the pawl 47. Each connecting rod 42 comprises a first connecting rod, a second connecting rod and a third connecting rod, the blocking rod 43 and the bearing 44 are positioned on the first connecting rod, the first connecting rod is rotatably connected to the positioning seat through a connecting shaft, one end of the second connecting rod is rotatably connected with the first connecting rod, the other end of the second connecting rod is rotatably connected with the third connecting rod, the third connecting rod is connected with the positioning block 41, and the third connecting rod is rotatably connected to the positioning seat through another connecting shaft. Preferably, the positioning seat is an inverted L-shaped positioning seat, the first connecting rod and the third connecting rod are rotatably connected to the transverse section of the positioning seat, the second connecting rod is located below the transverse section of the positioning seat, and the transverse section of the positioning seat is used for limiting the second connecting rod to limit the second connecting rod from rising. Supporting blocks are respectively arranged on two sides of the vertical section of the positioning seat, and the third connecting rod is supported on the supporting blocks. Specifically, the first connecting rod is an inverted V-shaped connecting rod, and preferably, the opening angle of the first connecting rod is greater than 90 degrees. The second connecting rod is a straight rod and is used for connecting the first connecting rod and the third connecting rod. The third connecting rod adopts the inverted U-shaped connecting rod and the opening angle between the transverse section and the vertical section is larger than 90 degrees. Another positioning block 48 is detachably fixed on the top surface of the positioning seat, the positioning block 48 is a positioning block 48 fixed on the top surface of the positioning seat and immovable, and the other positioning block 41 is a positioning block 42 movably lifted or lowered by the connecting rod 42. The positioning block 48 can be used for positioning a corresponding positioning block for a vehicle model frequently used in a production process. When the positioning block 41 connected with the connecting rod 42 is lifted, the positioning height of the positioning block 41 connected with the connecting rod 42 is higher than that of the positioning block 48 fixed on the positioning seat.
Referring to fig. 1 to 7, a fixed positioning block 48 and two movable positioning blocks 41 are provided. The two movable positioning blocks 41 respectively correspond to an independent group of link mechanisms, and the positioning blocks 41 are switched to be lifted or lowered through the independent group of link mechanisms. The limiting mechanism on the supporting seat 31 can be determined according to the number of the movable positioning blocks 41, so that the positioning blocks 41 can be used for realizing position determination by the collision blocks 23 when switching is needed.
The control end of the electric control device in the switching device, such as the telescopic cylinder 14, the bump block cylinder 21 and the hinge cylinder 33, and the signal output end of the position sensor 36 are respectively connected with the PLC system, and the PLC system receives the vehicle type switching instruction to switch the positioning block 41 of the corresponding vehicle type. The handover procedure is as follows:
the PLC system receives a vehicle type and a corresponding switching instruction sent by a user, calls and operates according to a corresponding vehicle type program, drives the hinge cylinder 33 to drive the pressure arm 32 to clamp tightly, and lifts up the movable limiting block 34 corresponding to the pressure arm 32; a piston rod of the telescopic cylinder 14 is driven to extend, and the block striking mechanism is moved to the position corresponding to the vehicle type through the guide rail 12 and the connecting plate 22; the striking block cylinder 21 is driven to retract the striking block 23 to strike the bearing 44 on the connecting rod mechanism; when the bump cylinder 21 retracts and presses downwards, the bearing 44 is pressed downwards together, the stop lever 43 impacts the fixture block 45 in the pressing process, when the pressing position of the stop lever 43 exceeds the pawl 47 of the fixture block 45, the fixture block 45 is not pressed by the stop lever 43, the spring 46 returns the position of the fixture block 45, and the pawl 47 of the fixture block 45 limits the stop lever 43 above the stop lever 43 at the moment, so that the positioning block of the corresponding vehicle type is successfully switched; the block striking cylinder 21 extends out quickly, the telescopic cylinder 14 retracts, and the block striking mechanism returns; the corresponding production vehicle type positioning structure can be switched to finish loading and production. When it is necessary to go down and return a positioning block 41, the bearing 44 on the other side lever 43 of the link mechanism is engaged with the lever not connected with the positioning block 41 in the same manner as described above. By impacting the bearing 44, the stop lever 43 is pressed downwards so that the latch 45 is not pressed by the stop lever 43, and during the process that the spring 46 returns the position of the latch 45, the stop lever 43 which is located below the pawl 47 is lifted up, so that the positioning block 41 is lowered and returned.
One positioning block 41 of the invention corresponds to one vehicle type, and when a certain vehicle type needs to be produced, the aim of positioning the vehicle body parts of the vehicle type can be realized only by synchronously switching the positioning blocks 41 corresponding to the vehicle type. During switching, the sliding table mechanism is driven to drive the collision block mechanism to horizontally slide to a preset position, the collision position of the collision block mechanism corresponds to the positioning block 41 to be switched, the collision connecting rod 42 mechanism is collided by the collision block mechanism to drive the positioning block 41 to be lifted, the switching purpose is realized, and the workpiece loading production can be carried out after the switching is finished. When another vehicle type needs to be produced, the original positioning block 41 is lowered in the same way, and the positioning block 41 corresponding to the new vehicle type is lifted.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (14)

1. The flexible positioning switching mechanism is characterized by comprising a switching device and a multi-positioning mechanism;
the switching device comprises an upper switching collision block mechanism, the upper switching collision block mechanism comprises a sliding table mechanism capable of horizontally sliding and a collision block mechanism for colliding the multiple positioning mechanisms, and the sliding table mechanism drives the collision block mechanism to horizontally slide;
the multi-positioning mechanism comprises at least one positioning block corresponding to the vehicle type and at least one group of link mechanisms, one group of link mechanisms is correspondingly connected with one positioning block, and the link mechanisms drive the positioning blocks to lift up or descend through the impact of the collision block mechanisms.
2. The flexible positioning and switching mechanism according to claim 1, wherein the sliding mechanism comprises a frame, a guide rail on the frame, a connecting member slidably connected to the guide rail, and a telescopic cylinder located at a side of the connecting member, wherein a piston rod of the telescopic cylinder is transversely disposed and connected to the connecting member, and the piston rod of the telescopic cylinder extends and retracts to drive the connecting member to horizontally slide on the guide rail.
3. The flexible positioning switching mechanism according to claim 2, wherein the bump mechanism comprises a bump cylinder, a connecting plate and a bump, a piston rod of the bump cylinder is vertically arranged, the connecting plate is arranged on a top end face of the piston rod, the bump is arranged on a bottom face of the connecting plate, and the bump cylinder stretches and retracts to drive the bump to bump the link mechanism;
the front end of the connecting piece is provided with the collision block cylinder, and the double-guide-rod cylinder is driven to horizontally move through the horizontal sliding of the connecting piece, so that the collision block is driven to horizontally move.
4. The flexible positioning and switching mechanism according to claim 3, wherein the ram cylinder is a double-guide-rod cylinder, a cylinder shell of the double-guide-rod cylinder is fixed to the connecting piece, and a top end face of the double-guide-rod cylinder is fixed to the connecting plate.
5. The flexible positioning and switching mechanism of claim 1 wherein said switching mechanism further comprises a lower multi-position limiting mechanism located below one side of said upper switching bump mechanism, said lower multi-position limiting mechanism multi-position limiting the sliding travel of said slide mechanism.
6. The flexible positioning and switching mechanism according to claim 5, wherein said lower multi-position limiting mechanism comprises a supporting base, at least one set of limiting mechanism is disposed on said supporting base, said limiting mechanism comprises a pressing arm rotatably connected to said supporting base, a hinge cylinder, a piston rod of said hinge cylinder is vertically disposed and is trunnion connected to one end of said pressing arm, and a movable limiting block is disposed at the other end of said pressing arm;
the moving end of the sliding table mechanism is provided with a position sensor, when a piston rod of the hinge cylinder moves upwards to drive the pressing arm to rotate so that the pressing arm clamps the movable limiting block in place, and after the moving end of the sliding table mechanism moves in place, the sensing surface of the position sensor is higher than the top surface of the limiting block.
7. The mechanism of claim 6, wherein the middle portion of the pressing arm is rotatably connected to the supporting base via a rotating shaft, and the axial direction of the rotating shaft is transverse.
8. The flexible positioning and switching mechanism according to claim 7, wherein said pressing arm comprises a first arm and a second arm integrally formed with said first arm, one end of said first arm is connected to a piston rod of said hinge cylinder, the other end of said first arm is connected to one end of said second arm, and a side wall of the other end of said second arm is provided with said movable stopper;
the first support arm and the second support arm are connected at a preset angle, and the joint of the first support arm and the second support arm is connected with the support seat in a rotating mode through the rotating shaft.
9. The flexible positioning and switching mechanism of claim 6, wherein said support base further comprises a fixed stop block, said fixed stop block being located at a side of said movable stop block.
10. The flexible positioning and switching mechanism according to any one of claims 1 to 9, wherein the link mechanism comprises two links and a stop lever disposed on the links, the links are rotatably connected to the positioning seat through a connecting shaft, one end of each link is provided with a bearing, the other end of one of the links is detachably connected to the positioning block, and the bump mechanism drives the links to move downwards through bumping against the bearings;
the two stop rods are oppositely arranged, a fixture block used for limiting the stop rods is arranged between the two stop rods, a spring used for resetting is arranged on the back of the fixture block, at least one pawl is arranged on the fixture block, one stop rod is located above the pawl, and the other stop rod is located below the pawl.
11. The flexible positioning and switching mechanism according to claim 10, wherein each of said connecting rods comprises a first connecting rod, a second connecting rod and a third connecting rod, said stop rod and said bearing are located on said first connecting rod, said first connecting rod is rotatably connected to a positioning seat through said connecting shaft, one end of said second connecting rod is rotatably connected to said first connecting rod, the other end of said second connecting rod is rotatably connected to said third connecting rod, said third connecting rod is connected to said positioning block, and said third connecting rod is rotatably connected to a positioning seat through another connecting shaft.
12. The mechanism of claim 11, wherein the positioning seat is an inverted L-shaped positioning seat, the first connecting rod and the third connecting rod are both rotatably connected to a transverse section of the positioning seat, the second connecting rod is located below the transverse section of the positioning seat, and the transverse section of the positioning seat is used to limit the position of the second connecting rod;
supporting blocks are respectively arranged on two sides of the vertical section of the positioning seat, and the third connecting rod is supported on the supporting blocks.
13. The flexible positioning and switching mechanism according to claim 10, wherein another positioning block is detachably fixed on the top surface of the positioning seat, and when the positioning block connected to the connecting rod is lifted, the positioning height of the positioning block connected to the connecting rod is higher than that of the positioning block fixed to the positioning seat.
14. The mechanism of claim 10, wherein the latch is fixed to a connecting block by a latch shaft, and the connecting block is fixed to the positioning seat.
CN202011006547.4A 2020-09-23 2020-09-23 Flexible positioning switching mechanism Pending CN112223143A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011006547.4A CN112223143A (en) 2020-09-23 2020-09-23 Flexible positioning switching mechanism

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Application Number Priority Date Filing Date Title
CN202011006547.4A CN112223143A (en) 2020-09-23 2020-09-23 Flexible positioning switching mechanism

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Publication Number Publication Date
CN112223143A true CN112223143A (en) 2021-01-15

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CN202011006547.4A Pending CN112223143A (en) 2020-09-23 2020-09-23 Flexible positioning switching mechanism

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006181680A (en) * 2004-12-27 2006-07-13 Nissan Motor Co Ltd Workpiece positioning and carrying device, workpiece positioning method and workpiece positioning carriage
CN102873477A (en) * 2012-03-13 2013-01-16 浙江金刚汽车有限公司 Automobile model switching mechanism of automobile production line
CN203184848U (en) * 2013-01-25 2013-09-11 上汽通用五菱汽车股份有限公司 Multi-vehicle positioning flexible switchover device
CN103738687A (en) * 2013-12-05 2014-04-23 四川成焊宝玛焊接装备工程有限公司 Transport trolley for multi-model accessories
CN207790926U (en) * 2017-12-22 2018-08-31 东风汽车集团有限公司 Gusset tail portion positioning flexible substep switching mechanism
CN110696946A (en) * 2019-09-20 2020-01-17 天津新玛特科技发展有限公司 Automatic switching equipment for multi-vehicle type trolleys in flexible production line of automobiles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006181680A (en) * 2004-12-27 2006-07-13 Nissan Motor Co Ltd Workpiece positioning and carrying device, workpiece positioning method and workpiece positioning carriage
CN102873477A (en) * 2012-03-13 2013-01-16 浙江金刚汽车有限公司 Automobile model switching mechanism of automobile production line
CN203184848U (en) * 2013-01-25 2013-09-11 上汽通用五菱汽车股份有限公司 Multi-vehicle positioning flexible switchover device
CN103738687A (en) * 2013-12-05 2014-04-23 四川成焊宝玛焊接装备工程有限公司 Transport trolley for multi-model accessories
CN207790926U (en) * 2017-12-22 2018-08-31 东风汽车集团有限公司 Gusset tail portion positioning flexible substep switching mechanism
CN110696946A (en) * 2019-09-20 2020-01-17 天津新玛特科技发展有限公司 Automatic switching equipment for multi-vehicle type trolleys in flexible production line of automobiles

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