CN108972405B - Positioning device - Google Patents
Positioning device Download PDFInfo
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- CN108972405B CN108972405B CN201810888902.1A CN201810888902A CN108972405B CN 108972405 B CN108972405 B CN 108972405B CN 201810888902 A CN201810888902 A CN 201810888902A CN 108972405 B CN108972405 B CN 108972405B
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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
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Abstract
The invention discloses a positioning device, wherein the positioning device comprises a bracket, a left positioning mechanism, a right positioning mechanism and a front and back positioning mechanism, wherein the left positioning mechanism, the right positioning mechanism and the front and back positioning mechanism are arranged on the bracket; the front positioning mechanism and the rear positioning mechanism comprise a front positioning piece and a rear positioning piece which are respectively connected with the bracket in a sliding manner, and the front positioning piece and the rear positioning piece are oppositely arranged on two sides of the electronic product backboard in parallel with the feeding direction; the left positioning mechanism and the right positioning mechanism comprise a left positioning piece or a right positioning piece which is connected with the support in a sliding mode, the left positioning piece or the right positioning piece is located on one side, perpendicular to the feeding direction, of the electronic product backboard, the front positioning piece and the rear positioning piece slide relatively to drive the electronic product backboard to perform front-back centering positioning, and the left positioning piece or the right positioning piece slides to drive the electronic product backboard to perform left-right centering positioning. The technical scheme of the invention simplifies the positioning steps of the positioning device, improves the universality of the positioning device and is convenient for production transfer.
Description
Technical Field
The invention relates to the technical field of positioning, in particular to a positioning device.
Background
In the industrial automatic production process, almost all occasions such as processing, assembly, test need fix a position work piece or product, and to automation equipment, its function realizes that the prerequisite is exactly can realize accurate location simultaneously, then can carry out various tasks. For example, in the process of television production, parts are automatically assembled, a television back plate needs to be accurately positioned, and then a manipulator or other mechanisms can be controlled to perform corresponding operations such as assembly and detection. Currently, the more applied back plate positioning modes mainly include two types: 1. designing a precise tooling plate, and positioning all the work by taking the tooling plate as a standard; 2. and the vision system photographs and calculates coordinates, and controls the corresponding mechanism to move to the specified coordinates to perform corresponding work according to the vision calculation result. Although the above-mentioned method can solve the positioning problem, the disadvantages are also obvious. If a tooling plate mode is adopted, the universality and compatibility are poor, manual adjustment is needed in each production line, each production line guarantees continuous material, a plurality of tooling plates need to be configured, the cost is high, and meanwhile, the manual adjustment task of production line transfer is heavy, the time is long, and the production efficiency is influenced. If the positioning of the vision mode is adopted, firstly, the manufacturing cost is high, debugging and the like can be completed by professional personnel, secondly, because the imaging range of the camera is limited, a set of mechanical pre-positioning mechanism is basically required to be additionally arranged, and before each transfer, the vision system is required to be calibrated, meanwhile, the product change or even the camera head is required to be replaced, and in addition, the environment light source, the back plate (product) reflecting surface and the mechanical structure shake can reduce or even lose the precision of the vision positioning. Therefore, the positioning by adopting the above modes has the defects of poor universality, troublesome positioning and production transfer and high production transfer cost.
Disclosure of Invention
The invention mainly aims to provide a positioning device, aiming at simplifying the positioning steps of the positioning device, improving the universality of the positioning device and facilitating the production change.
In order to achieve the above object, the positioning device provided by the present invention is used for assembling an electronic product, and the positioning device includes a bracket, a left and right positioning mechanism, and a front and back positioning mechanism, wherein the left and right positioning mechanism and the front and back positioning mechanism are arranged on the bracket; the front positioning mechanism and the rear positioning mechanism comprise a front positioning piece and a rear positioning piece which are respectively connected with the bracket in a sliding manner, and the front positioning piece and the rear positioning piece are oppositely arranged on two sides of the electronic product, which are parallel to the feeding direction of the back plate; the front positioning piece is provided with at least two front connecting pieces for driving the front positioning piece to move, the front positioning piece is a front positioning shaft, and the front connecting pieces are respectively arranged at two ends of the front positioning shaft; the rear positioning piece is a rear positioning shaft, at least two rear connecting pieces for driving the rear positioning piece to move are arranged on the rear positioning piece, and the rear connecting pieces are respectively arranged at two ends of the rear positioning shaft; the left positioning mechanism and the right positioning mechanism comprise a left positioning piece or a right positioning piece which is connected with the support in a sliding manner, the left positioning piece or the right positioning piece is arranged on one side perpendicular to the feeding direction of the backboard of the electronic product, the front positioning piece and the rear positioning piece slide relatively to drive the backboard of the electronic product to be centered and positioned back and forth, and the left positioning piece or the right positioning piece slides to drive the backboard of the electronic product to be centered and positioned left and right;
the left side setting element or right side setting element is the location cylinder, positioner is still including setting up respectively epaxial and the epaxial lifting mechanism of back location of preceding location, lifting mechanism will remove to the location station the electronic product backplate lift to with preceding location axle the position of back location axle parallel and level, so that the location cylinder drives the electronic product backplate removes to controlling centering position.
Preferably, a frame is arranged at the top of the support, two sides of the frame parallel to the feeding direction of the electronic product back plate are respectively a front side and a rear side, two sides of the frame perpendicular to the feeding direction of the electronic product back plate are respectively a left side and a right side, and the front and rear positioning mechanism further comprises a driving assembly for driving the front positioning shaft and the rear positioning shaft; the driving component comprises a driving piece and synchronous wheel sets respectively arranged on the left side and the right side, and the driving piece is used for driving the synchronous wheel sets to rotate; the synchronous wheel set comprises two synchronous wheels and a synchronous belt sleeved on the two synchronous wheels, one side of the front connecting piece is connected with the synchronous belt, and the other side, opposite to the front connecting piece, of the front connecting piece is connected with the front positioning shaft; one side of the rear connecting piece is connected with the synchronous belt, and the other side, opposite to the rear connecting piece, is connected with the rear positioning shaft.
Preferably, the front connecting piece comprises a front sliding rail arranged on the left side or the right side and a front connecting plate connected with the front sliding rail in a sliding manner; the rear connecting piece comprises a rear sliding rail arranged on the left side or the right side and a rear connecting plate connected to the rear sliding rail in a sliding manner; one side of the front connecting plate is connected with the synchronous belt, and the other side, opposite to the front connecting plate, is connected with the front positioning shaft; one side of the rear connecting plate is connected with the synchronous belt, and the other side, opposite to the rear connecting plate, is connected with the rear positioning shaft.
Preferably, the driving part comprises a transmission shaft and a transmission motor, wherein the transmission shaft is arranged between the left synchronizing wheel and the right synchronizing wheel which are oppositely arranged, the transmission motor is used for driving the transmission shaft to rotate, and the synchronizing wheels which are oppositely arranged are arranged on the left side and the right side and are in transmission connection with the transmission shaft.
Preferably, the two front connecting plates are provided with upper clamping blocks, and the two rear connecting plates are provided with lower clamping blocks; the synchronous belt comprises an upper section positioned above the synchronous wheel and a lower section positioned below the synchronous wheel; the two upper clamping blocks are respectively connected with the two upper sections, and the two lower clamping blocks are respectively connected with the two lower sections.
Preferably, the lifting mechanism comprises a lifting pallet for lifting the back plate of the electronic product and a lifting driving assembly for driving the lifting pallet to lift; the lifting driving assembly is arranged at the position where the front positioning shaft and the rear positioning shaft correspond to the electronic product back plate.
Preferably, the lifting driving assembly comprises a lifting slide rail, a slide rail connecting plate, a crank, a bearing and a lifting motor; the lifting slide rail is respectively arranged on the front positioning shaft and the rear positioning shaft, the slide rail connecting plate is connected to the lifting slide rail in a sliding manner, and the lifting supporting plate is connected with the slide rail connecting plate; the lifting motor is in transmission connection with the crank, a connecting rod is arranged on the crank, and the bearing is sleeved on the connecting rod; the slide rail connecting plate is provided with a guide hole, and the bearing is arranged in the guide hole; the lifting motor drives the crank to rotate so as to drive the bearing to slide in the guide hole in a reciprocating mode, and therefore the slide rail connecting plate moves up and down along the lifting slide rail.
Preferably, the positioning device further comprises a protective sponge positioned below the back plate of the electronic product; the left and right positioning mechanisms further comprise a blocking cylinder for blocking a protective sponge, and the blocking cylinder is arranged on the left side or the right side; when the electronic product back plate moves to the positioning station, the blocking cylinder rises to block the protective sponge from moving.
According to the technical scheme, a front positioning piece and a rear positioning piece which are connected with a support in a sliding mode are arranged on the support, and the front positioning piece and the rear positioning piece are arranged oppositely on two sides of the electronic product back plate in parallel in the feeding direction; then, a left positioning piece or a right positioning piece which is connected with the support in a sliding manner is arranged on the support, and the left positioning piece or the right positioning piece is arranged on one side, which is perpendicular to the feeding direction of the electronic product backboard; in addition, the electronic product back plates with different types or sizes are positioned, and the sliding distances of the front positioning piece, the rear positioning piece and the left positioning piece or the right positioning piece are only required to be preset, so that the production transfer is simple and convenient, and the positioning universality of the positioning device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a positioning device according to an embodiment of the present invention;
FIG. 2 is a top view of the positioning device of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are 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 at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a positioning device.
In the embodiment of the present invention, referring to fig. 1 and 2, the positioning device includes a bracket 10, a left-right positioning mechanism 30, and a front-back positioning mechanism 20, wherein the left-right positioning mechanism 30 and the front-back positioning mechanism 20 are disposed on the bracket 10; the front and rear positioning mechanism 20 includes a front positioning member 21 and a rear positioning member 22 respectively slidably connected to the bracket 10, and the front positioning member 21 and the rear positioning member 22 are oppositely disposed on two sides parallel to the feeding direction of the electronic product backplane; the left and right positioning mechanism 30 comprises a left positioning member or a right positioning member 31 slidably connected with the bracket 10, the left positioning member or the right positioning member 31 is arranged on one side of the electronic product backboard perpendicular to the feeding direction, the front positioning member 21 and the rear positioning member 22 slide relatively to drive the electronic product backboard to perform front and rear centering, and the left positioning member or the right positioning member 31 slides to drive the electronic product backboard to perform left and right centering.
In this embodiment, when the electronic product backplane is in the feeding state, the positioning device is configured with a moving device for driving the electronic product backplane to the positioning station; the moving device is characterized in that the moving device is a moving support, a plurality of rollers which are connected on the moving support in a rolling mode and a control motor which controls the rollers to rotate, the electronic product back plate is placed on the rollers, the control motor controls the rollers to rotate continuously on the moving support, the electronic product back plate can be driven to move in the rotating direction of the rollers, and the electronic product back plate moves to a positioning station along with the rollers. Specifically, firstly, the front positioning piece 21 and the rear positioning piece 22 of the front-rear positioning mechanism 20 slide relative to the front edge and the rear edge of the electronic product back plate, and push the electronic product back plate to move to a proper centering position, so as to complete front-rear centering positioning of the electronic product back plate; then the left positioning member or the right positioning member 31 of the left-right positioning mechanism 30 slides relative to the left edge of the electronic product back plate, and pushes the electronic product back plate to move to a proper centering position, so as to complete the left-right centering positioning of the electronic product back plate. The electronic product back plate is driven to move by the positioning piece which can slide relatively, so that the electronic product back plate directly moves to a proper centering position to complete the positioning in the front, back, left and right directions. The whole positioning device has simple structure and no complex special mechanism or part, and is more convenient to use and maintain; the positioning piece of the positioning device is used for positioning, a tool plate with compact design is not needed to be used for aligning to the middle position of the electronic product back plate, a vision system is not needed to be used for controlling the corresponding moving mechanism to move to the appointed coordinate for positioning, the whole positioning scheme adopts a side positioning mode, the structure with irregular front and back center positions of the electronic product back plate is effectively avoided, and the positioning device is universal for electronic product back plates of different models and sizes. Meanwhile, the positioning of the electronic product back plates with different sizes can be completed only by setting the stroke of the control positioning piece through software, so that the aim of simple and rapid production transfer is fulfilled; in addition, compared with the traditional positioning device, the sponge cushion of the whole assembly line is replaced by a customized tooling plate or a visual positioning system, and the positioning device has lower manufacturing cost because parts are simple basic standard parts. According to the arrangement, the adjustment work can be completed by adjusting the moving distance of the positioning piece, the adjustment is simple and convenient, the positioning requirements of various types and sizes of electronic product back plates are met, the universality of the positioning device is improved, and the adjustment cost is reduced. The electronic product back plate can be a television back plate, a desktop computer display back plate, a tablet computer back plate or other electronic product back plates with plate-shaped structures.
According to the technical scheme, a front positioning piece 21 and a rear positioning piece 22 which are connected with a support 10 in a sliding mode are arranged on the support, and the front positioning piece 21 and the rear positioning piece 22 are arranged on two sides, parallel to the feeding direction of a backboard of an electronic product, of the support in an opposite mode; then, a left positioning piece or a right positioning piece 31 which is connected with the support 10 in a sliding manner is arranged on the support 10, and the left positioning piece or the right positioning piece 31 is arranged on one side of the support which is perpendicular to the feeding direction of the electronic product backboard; in addition, the electronic product back plates with different types or sizes are positioned, and the sliding distances of the front positioning piece, the rear positioning piece and the left positioning piece or the right positioning piece are only required to be preset, so that the production transfer is simple and convenient, and the positioning universality of the positioning device is improved.
Preferably, referring to fig. 1 and fig. 2, at least two front connecting pieces 24 for driving the front positioning piece 21 to move are arranged on the front positioning piece 21, the front positioning piece 21 is a front positioning shaft, and the front connecting pieces 24 are respectively arranged at two ends of the front positioning shaft 21; the rear positioning element 22 is a rear positioning shaft, at least two rear connecting elements 25 for driving the rear positioning element to move are arranged on the rear positioning element 22, and the rear connecting elements 25 are respectively arranged at two ends of the rear positioning shaft 22.
In this embodiment, the front positioning element 21 and the rear positioning element 22 are arranged in a shaft shape, so that the contact area of the front positioning element 21 and the rear positioning element 22 to the front edge and the rear edge of the back plate of the electronic product is increased, and the front positioning element 21 and the rear positioning element 22 are driven to slide more stably to complete centering. In addition, the front connecting pieces 24 are arranged at the two ends of the front positioning shaft 21, the rear connecting pieces 25 are arranged at the two ends of the rear positioning shaft 22, so that the two ends of the front positioning shaft 21 and the two ends of the rear positioning shaft 22 can slide simultaneously, and the front positioning shaft 21 and the rear positioning shaft 22 are prevented from being clamped on the two supports 10 to influence the moving positioning of the front and rear positioning mechanisms 20. The front positioning shaft 21 is driven by the front connecting piece 24, the rear positioning shaft 22 is driven by the rear connecting piece 25, the front positioning shaft 21 and the rear positioning shaft 22 move towards the center direction of the electronic product backboard, the separated far loosening position of the front positioning shaft 21 and the rear positioning shaft 22 is changed into the clamping position that the front positioning shaft 21 and the rear positioning shaft 22 are close to each other and clamp the electronic product backboard in centering, the front centering and the rear centering of the electronic product are completed, and the electronic product backboard is prevented from loosening in the subsequent assembling process.
Further, referring to fig. 1 and 2, a frame 11 is disposed on the top of the bracket 10, two sides of the frame 11 parallel to the feeding direction of the electronic product backplane are a front side 11c and a rear side 11d, respectively, and two sides of the frame 11 perpendicular to the feeding direction of the electronic product backplane are a left side 11a and a right side 11b, respectively; the front and rear positioning mechanism 20 further comprises a driving assembly 26 for driving the front positioning shaft 21 and the rear positioning shaft 22; the driving assembly 26 comprises a driving member 261 and synchronous wheel sets 262 respectively arranged on the left side 11a and the right side 11b, wherein the driving member 261 is used for driving the synchronous wheel sets 262 to rotate; the synchronous wheel group 262 comprises two synchronous wheels 263 and a synchronous belt 264 sleeved on the two synchronous wheels 263, one side of the front connecting piece 24 is connected with the synchronous belt 264, and the opposite side of the front connecting piece 24 is connected with the front positioning shaft 21; one side of the rear connecting member 25 is connected to the timing belt 264, and the other side of the rear connecting member 25 opposite to the rear positioning shaft 22 is connected to the rear positioning shaft.
In this embodiment, after the driving element 261 is powered on, the four synchronizing wheels 264 are driven to rotate at the same time, at this time, the synchronizing belts 264 of the two synchronizing wheels 263 sleeved on the left side 11a drive one end of the front connecting piece 24 and the rear connecting piece 25 connected thereto to move, and the synchronizing belts 264 of the two synchronizing wheels 263 sleeved on the right side 11b drive the other end of the front connecting piece 24 and the rear connecting piece 25 connected thereto to move; thus, the two front connecting pieces 24 arranged oppositely drive the two ends of the front positioning shaft 21 to move simultaneously, and the two rear connecting pieces 25 arranged oppositely drive the two ends of the rear positioning shaft 22 to move simultaneously; in order to allow the front positioning shaft 21 and the rear positioning shaft 22 to move towards the central line direction of the back plate of the electronic product, the connecting piece can be arranged at two positions with larger distance between the synchronous belts, and a group of synchronous wheels and synchronous belts can be additionally arranged to drive the positioning shafts to move towards the same direction. In this embodiment, the driving assembly 26 is used to provide moving power for the front positioning shaft 21 and the rear positioning shaft 22, so that positioning automation of the front and rear positioning mechanisms 20 is realized, and the operation time of the driving assembly 26 is controlled in a later period conveniently, so as to achieve accurate control of the moving distance of the front positioning shaft 21 and the rear positioning shaft 22.
Preferably, referring to fig. 1 and 2, the front connecting member 24 includes a front slide rail 241 disposed on the left side 11a or the right side 11b and a front connecting plate 242 slidably connected to the front slide rail 241; the rear connecting piece 25 comprises a rear slide rail 251 arranged on the left side 11a or the right side 11b and a rear connecting plate 252 connected to the rear slide rail 251 in a sliding manner; one side of the front connecting plate 242 is connected to the timing belt 264, and the other side of the front connecting plate 242 opposite to the front positioning shaft 21; one side of the rear connecting plate 252 is connected to the timing belt 264, and the other end of the rear connecting plate 252 opposite to the rear positioning shaft 22 is connected to the rear positioning shaft.
In this embodiment, the front connecting plate 242 slides on the front sliding rail 241, the rear connecting plate 252 slides on the rear sliding rail 251, the synchronous belt 264 connected to one side of the front connecting plate 242 can drive the front positioning shaft 21 connected to one side of the front connecting plate 242 to move, the synchronous belt 264 connected to one side of the rear connecting plate 252 can drive the rear positioning shaft 22 connected to the other side of the rear connecting plate 252 to move, and the smoothness of the driving assembly 26 driving the front positioning shaft 21 and the rear positioning shaft 22 to move is increased.
Further, referring to fig. 1 and 2, the driving member 261 includes a transmission shaft 261 disposed between the synchronization wheels 263 disposed on the left side 11a and the right side 11b and disposed opposite to each other, and a transmission motor (not shown) for driving the transmission shaft 261 to rotate, and the synchronization wheels 263 disposed on the left side 11a and the right side 11b and disposed opposite to each other are in transmission connection with the transmission shaft 261.
So set up, drive transmission shaft 261 through driving motor and rotate, and then let transmission shaft 261 can drive four synchronizing wheels 263 on left side 11a and the right side 11b and coaxially rotate simultaneously, avoid causing locating shaft 21 and back locating shaft 22 to appear the screens phenomenon before leading to the fact to influence whole positioner's mobile location.
Further, referring to fig. 1 and 2, in order to realize that the two front connection plates 242 and the two rear connection plates 252 can move towards the center line of the backplane of the electronic product at the same time, the following specific settings are provided: the two front connecting plates 24 are respectively provided with an upper clamping block 242a, and the two rear connecting plates 252 are respectively provided with a lower clamping block 252 a; the timing belt 264 includes an upper segment 262a above the timing wheel 263 and a lower segment 262b below the timing wheel 261; the two upper clamping blocks 242a are connected to the two upper segments 262a, respectively, and the two lower clamping blocks 252a are connected to the two lower segments 262b, respectively. When the timing belts 264 on the two left sides 11a and the right sides 11b rotate in the same direction, the upper and lower sections 262a and 262b are spaced apart from each other by the upper and lower sections 262a and 262b on the timing wheel 263, so that the upper clamping block 242a connected to the upper section 262a and the lower clamping block 252a connected to the lower section 262b can move in the middle direction when being moved by the timing belts 264.
Further, referring to fig. 1 and fig. 2, the left positioning element or the right positioning element 31 is a positioning cylinder, the positioning device further includes lifting mechanisms 40 respectively disposed on the front positioning shaft 21 and the rear positioning shaft 22, the lifting mechanisms 40 lift the electronic product back plate to a position flush with the front positioning shaft 21 and the rear positioning shaft 22, so that the positioning cylinder 31 drives the electronic product back plate to move to a left-right centering position. In this embodiment, the electronic product back plate moved to the positioning station is lifted to a position flush with the two positioning shafts by the lifting mechanism 40, that is, the front positioning shaft 21 and the rear positioning shaft 22 are changed from the release position to the lifting position, so that the electronic product back plate is separated from the positioning station, and a good moving condition is provided for positioning the electronic product back plate; so set up, be convenient for location cylinder 31 passes to suitable left and right sides centering locating position to the electronic product backplate, and reduces the friction of electronic product backplate shift positioning on the location station, plays the surface of further protection electronic product backplate.
Preferably, referring to fig. 1 and 2, the lifting mechanism 40 includes a lifting blade 41 for lifting the electronic product back plate and a lifting driving assembly 42 for driving the lifting blade 41 to be lifted; the lifting driving assembly 42 is disposed at a position where the front positioning shaft 21 and the rear positioning shaft 22 correspond to the electronic product backplane.
Preferably, referring to fig. 1 and 2, the lift driving assembly 42 includes a lift rail 421, a rail link plate 422, a crank 423, a bearing (not shown), and a lift motor 424; the lifting slide rail 421 is respectively mounted on the front positioning shaft 21 and the rear positioning shaft 22, the slide rail connecting plate 422 is slidably connected to the lifting slide rail 421, and the lifting support plate 41 is connected to the slide rail connecting plate 422; the lifting motor 424 is in transmission connection with the crank 423, a connecting rod (not shown) is arranged on the crank 423, and the bearing (not shown) is sleeved on the connecting rod (not shown); the slide rail connecting plate 422 is provided with a guide hole (not shown), and the bearing is arranged in the guide hole; the lifting motor 424 drives the crank 423 to rotate to drive the bearing to slide in the guide hole in a reciprocating manner, so that the slide rail connecting plate 422 moves up and down along the lifting slide rail 421. In this embodiment, after the lifting motor 424 is powered on, the output shaft of the lifting motor 424 rotates to drive the crank 423 to rotate, and further drive the connecting rod of the crank 423 to rotate, the connecting rod rotates while driving the bearing to make a transverse sliding motion in the guide hole of the sliding rail connecting plate 422, and meanwhile, the bearing slides to drive the sliding rail connecting plate 422 to make an up-and-down sliding motion in the lifting sliding rail 421, so that the lifting supporting plate 41 connected to the sliding rail connecting plate 421 also moves up and down, the whole lifting mechanism 40 changes the rotating motion of the lifting motor 424 into a linear motion, thereby driving the electronic product to be lifted to a proper height, and realizing the separation from the moving device. Compared with the traditional jacking mechanism, the lifting mechanism 40 in the embodiment has the difference that the lifting position is positioned at the edge of the electronic product back plate, most of the positions are uniform and flat, and therefore the position avoidance problem that the middle part of the electronic product back plate has to be carefully considered when the traditional jacking mechanism jacks the middle part of the electronic product back plate is avoided; because the electronic product backplate is except the edge, most area is uneven distribution, because the one side of electronic product backplate intermediate position does not need to be provided with structures such as double-screw bolt, screw hole and strengthening rib, the electronic product backplate of different sizes or model is all different moreover, has also avoided traditional climbing mechanism to follow the jacking of electronic product backplate middle part need to the problem of protection sponge trompil simultaneously. In this embodiment, the cross section of the lifting supporting plate 41 is preferably arranged to be L-shaped, so that the back plate of the electronic product can be conveniently lifted or put down; in other embodiments, the lifting blade 41 may be provided with a J-shaped or hook-shaped cross-section.
Further, referring to fig. 1 and 2, the positioning device further includes a protective sponge (not shown) located under the back plate of the electronic product; the left and right positioning mechanism further comprises a blocking cylinder 32 for blocking a protective sponge, and the blocking cylinder 32 is mounted on the left side 11a or the right side 11 b; when the electronic product back plate moves to the positioning station, the blocking cylinder 32 rises to block the protective sponge from moving. In the embodiment, a protective sponge is arranged below the back plate of the electronic product, so that the front panel of the electronic product can be protected from being damaged due to movement. The blocking cylinder 32 is arranged on the left side 11a or the right side 11b, so that when the electronic product back plate moves to the positioning station, the pushing block of the blocking cylinder 32 firstly extends out, and the protective sponge is blocked and does not move forwards any more; therefore, the left positioning piece or the right positioning piece 31 can be easily contacted with the left edge of the electronic product backboard, and the electronic product backboard is pushed back to a proper left-right centering positioning position in the opposite direction of the moving direction.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A positioning device is used for assembling electronic products and is characterized by comprising a support, a left positioning mechanism, a right positioning mechanism and a front positioning mechanism, wherein the left positioning mechanism, the right positioning mechanism and the front positioning mechanism are arranged on the support; the front positioning mechanism and the rear positioning mechanism comprise a front positioning piece and a rear positioning piece which are respectively connected with the bracket in a sliding manner, and the front positioning piece and the rear positioning piece are oppositely arranged on two sides of the electronic product, which are parallel to the feeding direction of the back plate; the front positioning piece is provided with at least two front connecting pieces for driving the front positioning piece to move, the front positioning piece is a front positioning shaft, and the front connecting pieces are respectively arranged at two ends of the front positioning shaft; the rear positioning piece is a rear positioning shaft, at least two rear connecting pieces for driving the rear positioning piece to move are arranged on the rear positioning piece, and the rear connecting pieces are respectively arranged at two ends of the rear positioning shaft; the left positioning mechanism and the right positioning mechanism comprise a left positioning piece or a right positioning piece which is connected with the support in a sliding manner, the left positioning piece or the right positioning piece is arranged on one side perpendicular to the feeding direction of the backboard of the electronic product, the front positioning piece and the rear positioning piece slide relatively to drive the backboard of the electronic product to be centered and positioned back and forth, and the left positioning piece or the right positioning piece slides to drive the backboard of the electronic product to be centered and positioned left and right;
the left side setting element or right side setting element is the location cylinder, positioner is still including setting up respectively epaxial and the epaxial lifting mechanism of back location of preceding location, lifting mechanism will remove to the location station the electronic product backplate lift to with preceding location axle the position of back location axle parallel and level, so that the location cylinder drives the electronic product backplate removes to controlling centering position.
2. The positioning device according to claim 1, wherein a frame is disposed on a top of the bracket, two sides of the frame parallel to the feeding direction of the electronic product backplane are a front side and a rear side, respectively, two sides of the frame perpendicular to the feeding direction of the electronic product backplane are a left side and a right side, respectively, and the front-rear positioning mechanism further comprises a driving assembly for driving the front positioning shaft and the rear positioning shaft; the driving component comprises a driving piece and synchronous wheel sets respectively arranged on the left side and the right side, and the driving piece is used for driving the synchronous wheel sets to rotate; the synchronous wheel set comprises two synchronous wheels and a synchronous belt sleeved on the two synchronous wheels, one side of the front connecting piece is connected with the synchronous belt, and the other side, opposite to the front connecting piece, of the front connecting piece is connected with the front positioning shaft; one side of the rear connecting piece is connected with the synchronous belt, and the other side, opposite to the rear connecting piece, is connected with the rear positioning shaft.
3. The positioning device as set forth in claim 2, wherein said front connecting member includes a front slide rail provided on a left side or a right side and a front connecting plate slidably connected to said front slide rail; the rear connecting piece comprises a rear sliding rail arranged on the left side or the right side and a rear connecting plate connected with the rear sliding rail in a sliding manner; one side of the front connecting plate is connected with the synchronous belt, and the other side, opposite to the front connecting plate, is connected with the front positioning shaft; one side of the rear connecting plate is connected with the synchronous belt, and the other side, opposite to the rear connecting plate, is connected with the rear positioning shaft.
4. The positioning device as set forth in claim 3, wherein said driving member includes a transmission shaft disposed between two of said synchronizing wheels disposed on the left and right sides and disposed opposite to each other, and a transmission motor for driving said transmission shaft to rotate, said synchronizing wheels disposed on the left and right sides and disposed opposite to each other being drivingly connected to said transmission shaft.
5. The positioning device according to claim 4, wherein each of the two front connecting plates is provided with an upper clamping block, and each of the two rear connecting plates is provided with a lower clamping block; the synchronous belt comprises an upper section positioned above the synchronous wheel and a lower section positioned below the synchronous wheel; the two upper clamping blocks are respectively connected with the two upper sections, and the two lower clamping blocks are respectively connected with the two lower sections.
6. The positioning device according to claim 2, wherein the lifting mechanism comprises a lifting pallet for lifting the electronic product back plate and a lifting driving assembly for driving the lifting pallet to lift; the lifting driving assembly is arranged at the position where the front positioning shaft and the rear positioning shaft correspond to the electronic product back plate.
7. The positioning apparatus of claim 6, wherein the lift drive assembly comprises a lift rail, a rail link plate, a crank, a bearing, and a lift motor; the lifting slide rail is respectively arranged on the front positioning shaft and the rear positioning shaft, the slide rail connecting plate is connected to the lifting slide rail in a sliding manner, and the lifting supporting plate is connected with the slide rail connecting plate; the lifting motor is in transmission connection with the crank, a connecting rod is arranged on the crank, and the bearing is sleeved on the connecting rod; the slide rail connecting plate is provided with a guide hole, and the bearing is arranged in the guide hole; the lifting motor drives the crank to rotate so as to drive the bearing to slide in the guide hole in a reciprocating mode, and therefore the slide rail connecting plate moves up and down along the lifting slide rail.
8. The positioning device according to claim 7, further comprising a protective sponge under the back plate of the electronic product; the left and right positioning mechanisms further comprise a blocking cylinder for blocking a protective sponge, and the blocking cylinder is arranged on the left side or the right side; when the electronic product back plate moves to the positioning station, the blocking cylinder rises to block the protective sponge from moving.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821048391 | 2018-07-03 | ||
| CN2018210483914 | 2018-07-03 |
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| CN108972405B true CN108972405B (en) | 2021-11-09 |
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| CN115157003A (en) * | 2022-08-24 | 2022-10-11 | 深圳康佳电子科技有限公司 | Counterpoint anchor clamps and production line |
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