CN112996270B - Double-sided circuit board moves and carries device - Google Patents
Double-sided circuit board moves and carries device Download PDFInfo
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- CN112996270B CN112996270B CN202110480784.2A CN202110480784A CN112996270B CN 112996270 B CN112996270 B CN 112996270B CN 202110480784 A CN202110480784 A CN 202110480784A CN 112996270 B CN112996270 B CN 112996270B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/282—Applying non-metallic protective coatings for inhibiting the corrosion of the circuit, e.g. for preserving the solderability
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Abstract
A double-sided circuit board transfer device comprises: loading board, lead screw mechanism and clamp plate. Rectangular channels which are arranged in pairs are formed in the two sides of the bearing plate in the width direction, and multiple rows of rectangular channels are arrayed in the length direction of the bearing plate. The screw rod mechanism comprises two screw rods and two guide rods, the screw rods and the guide rods are used in pairs, the screw rods are connected with motors, each pair of screw rods and guide rod sliding blocks is provided with the screw rod mechanism below the rectangular groove, and the screw rod mechanism moves in a reciprocating mode in the direction perpendicular to the bearing plate. The top of the sliding block is provided with a thimble, the upper section of the thimble is in a conical structure, and the thimble is used for supporting the double-sided circuit board. The clamp plate is equipped with a pair ofly, and the clamp plate is on a parallel with the loading board, and the clamp plate all is connected respectively in the push rod that compresses tightly the cylinder, and two push rods that compress tightly the cylinder tilt up respectively towards the outside of loading board front and back end, and the clamp plate slides the cover and is equipped with and compresses tightly the cover, and it slides along the fore-and-aft direction of loading board to compress tightly the cover, improves the remodelling efficiency to positioning accuracy is high, can avoid weighing wounded double-sided circuit board.
Description
Technical Field
The invention belongs to the field of double-sided circuit board production and manufacturing, and particularly relates to a double-sided circuit board transfer device.
Background
The silk-screen printing process of the circuit board refers to a process of smearing a layer of solder resist ink after finishing the manufacture of a wiring diagram of the circuit board, when the silk-screen printing is carried out on a double-sided circuit board, most enterprises use automatic continuous machine silk-screen printing, one side of the double-sided circuit board is subjected to silk-screen printing, then the double-sided circuit board is overturned by using the overturning mechanism, then the circuit board is moved to a silk-screen printing station of the other side by using the transferring device, the damage of an ink layer caused by the direct contact of the side coated with the solder resist ink and the transferring device is prevented, therefore, the transferring device is provided with the supporting nail, the top of the supporting nail corresponds to a preset avoiding position on the circuit board, and the circuit board is supported. However, when circuit boards of different types are replaced, the support nails need to be manually installed, the time consumption is long, the precision is low, the requirements on the skills of workers for installing the support nails are high, and if the installation positions of the support nails are not accurate enough, the circuit boards can be crushed, so that the circuit boards are scrapped.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a double-sided circuit board transfer device, which utilizes a top to support a double-sided circuit board, adopts a motor and a screw rod to independently control each thimble, has high moving and positioning precision, can adjust the position of each thimble according to double-sided circuit boards of different models, can select the number of the thimbles, lowers the redundant thimbles, can effectively improve the moving speed of the thimbles, improves the model changing efficiency, has high positioning precision, and can avoid crushing the double-sided circuit board.
In order to realize the purpose of the invention, the following scheme is adopted:
a double-sided circuit board transfer device comprises: loading board, lead screw mechanism and clamp plate.
Rectangular channels which are arranged in pairs are formed in the two sides of the bearing plate in the width direction, intervals are arranged between the rectangular channels, and the rectangular channels are arrayed in a plurality of rows in the length direction of the bearing plate.
The screw rod mechanism comprises two screw rods which are coaxially arranged and two guide rods which are coaxially arranged, one screw rod is matched with one guide rod to be used in pairs, the guide rods and the screw rods are arranged in parallel at intervals, the axes of the guide rods and the screw rods are parallel to the extending direction of the rectangular groove, the two screw rods are respectively and independently connected with a motor, each pair of screw rods and the guide rods are simultaneously connected with a slide block, the screw rod mechanism is arranged at the position, corresponding to the rectangular groove, below the bearing plate, each pair of guide rods and the rectangular groove at one side are respectively corresponding to the screw rods, and the screw rod mechanism reciprocates in the direction perpendicular to the bearing plate
The top of the sliding block is vertically upwards provided with a detachable ejector pin, the upper section of the ejector pin is of a conical structure, when the screw rod mechanism moves a preset distance towards the direction of the bearing plate, the sliding block is in clearance fit with the rectangular groove, the top point of the ejector pin is higher than the top surface of the bearing plate by a preset distance, and the ejector pin is used for supporting the double-sided circuit board.
The clamp plate is provided with a pair of, is located loading board length direction's both ends respectively, and the clamp plate is the flat structure of rectangle, is on a parallel with the loading board, and a pair of clamp plate is connected respectively in the push rod that compresses tightly the cylinder of difference, and two push rods that compress tightly the cylinder tilt up respectively towards the outside of loading board front and back end, and the clamp plate periphery is slided the cover and is equipped with and compress tightly the cover, and it slides along the fore-and-aft direction of loading board to compress tightly the cover, compresses tightly the bottom surface and the contact of double-sided circuit board of cover when compressing tightly double-sided circuit board.
Furthermore, the two ends of the screw rod are respectively provided with a connecting plate perpendicular to the bearing plate, the projection of the connecting plate located in the middle of the screw rod mechanism on the bottom surface of the bearing plate is located in the interval range between the rectangular grooves, the top of the connecting plate located in the middle of the screw rod mechanism is upwards provided with a limiting seat, the top of the limiting seat is upwards provided with a positioning pin, the projection area of the positioning pin along the axis is smaller than that of the limiting seat along the axis, and the bottom surface of the bearing plate is provided with positioning holes corresponding to the positioning pins.
Further, the bottom of the bearing plate is provided with a pair of parallel mounting frames, the mounting frames extend along the length direction of the bearing plate, two ends of the bottom of the screw rod mechanism are respectively connected with a lifting cylinder, and the lifting cylinder is perpendicular to the bearing plate and is arranged at the bottom of the mounting frames.
Furthermore, the angle of the acute included angle between the push rod of the pressing cylinder and the top surface of the bearing plate is 45 degrees.
Further, the surface that compresses tightly the cover bottom plate and clamp plate bottom surface is relative extends along compressing tightly the gliding direction of cover and is equipped with first bar groove, the cross-section in first bar groove is semi-circular, first bar groove parallel at least is equipped with two, the one end in first bar groove all has the through-hole towards the bottom surface processing that compresses tightly the cover, the diameter of through-hole is greater than or equal to the semicircular radius in first bar groove cross-section, the through-hole is equipped with the jam, the bottom surface of clamp plate corresponds first bar groove and has the second bar groove, the second bar groove is the same with the cross-sectional structure in first bar groove, the length in second bar groove is greater than first bar groove, it is equipped with many balls to compress tightly between cover and the clamp plate equipment back first bar groove and the second bar groove.
Further, the top of the pressing sleeve is provided with a strip-shaped hole along the front-back direction of the bearing plate, the top surface of the pressing plate is provided with a guide screw, the upper section of the guide screw is of a cylindrical structure, and the upper section of the guide screw is slidably arranged in the strip-shaped hole.
Furthermore, the bottom surface of the pressing sleeve is provided with an anti-skid rubber mat which is made of soft rubber.
Furthermore, the thimble is equipped with the three-section from top to bottom in proper order, and the upper segment is the conical structure of vertex of a cone up, and the vertex of a cone is used for supporting double-sided circuit board, and the position is screwed up in the middle section, screws up the equilateral polygon structure that the position is the even number limit to in order to screw up, the hypomere is screw rod structure, and the thimble passes through the screw rod structure of hypomere and is connected with the slider.
Further, the ejector pin is divided into an upper section and a lower section, the upper section is of a conical structure with an upward conical top, the conical top is used for supporting the double-sided circuit board, the lower section is of a conical structure with a downward conical top, the upper section and the lower section are coaxial, a conical hole matched with the lower section of the ejector pin is formed in the top of the sliding block, and the ejector pin is connected with the conical hole of the sliding block through the conical structure of the lower section.
Furthermore, storage grooves are machined in the positions, corresponding to the descending positions of the pressing plates, of the top surfaces of the bearing plates, and the pressing plates are accommodated in the storage grooves simultaneously with the pressing sleeves after descending by a preset height.
The invention has the beneficial effects that:
1. this application utilizes the top to support to double-sided circuit board, and thimble detachable installs in the slider to in the maintenance dismouting, the slider passes through the lead screw and realizes removing the regulation with the motor cooperation, and certainly reach positioning accuracy height, and can improve the regulation efficiency of thimble, the slider passes through guide arm and rectangular channel direction, removes to make more stable, and the shift position precision is higher.
2. The height and position of the screw rod mechanism provided with the ejector pins are adjusted through the lifting cylinder, the screw rod mechanism can adapt to double-sided circuit boards of different models, the ejector pins with proper positions can be selected corresponding to the double-sided circuit boards of different models, other ejector pins are made to descend, contact with the double-sided circuit boards is avoided, and therefore the double-sided circuit boards are prevented from being crushed.
3. The height position between the screw rod mechanism and the bearing plate is ensured through the limiting seat, and the position precision of a horizontal plane between the screw rod mechanism and the bearing plate is improved by utilizing the matching mode of the positioning pin and the positioning hole, so that the position precision of the adjusting ejector pin is improved.
4. Because the double-sided circuit board adopts the mode from top to bottom to place on moving the device of carrying, for reducing hold-down mechanism's stroke, this application adopts the clamp plate to compress tightly double-sided circuit board along compressing tightly the mode that cylinder axial slope descends, makes the clamp plate be close to towards double-sided circuit board at the in-process that descends, makes the bottom surface of clamp plate overlap with double-sided circuit board gradually to the realization compresses tightly double-sided circuit board. But for further suitably increasing the pressure after the clamp plate contacts with the double-sided circuit board, the clamp plate can continue to descend for a preset distance, at the moment, relative movement can exist between the clamp plate and the top surface of the double-sided circuit board, the bottom surface of the clamp plate is easy to scratch the top surface of the double-sided circuit board in the relative movement process, in order to avoid the situation, a pressing sleeve is arranged on the periphery of the clamp plate in a sliding mode, the clamp plate contacts with the double-sided circuit board through the pressing sleeve, and after the pressing sleeve contacts with the double-sided circuit board, the relative movement between the double-sided circuit board of the clamp plate is replaced through the relative movement between the pressing sleeve and the clamp plate, so that the double-sided circuit board is prevented from being scratched.
Drawings
The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.
FIG. 1 shows a top view of the overall construction of the present application;
FIG. 2 shows a bottom view of the overall construction of the present application;
FIG. 3 shows a partial enlarged view at A in FIG. 2;
fig. 4 shows a configuration of a screw mechanism;
FIG. 5 shows a top view of a platen and compression sleeve arrangement;
FIG. 6 shows a bottom view of the platen and compression sleeve arrangement;
FIG. 7 illustrates a use state;
fig. 8 is a side view of the transfer device before pressing the double-sided circuit board;
fig. 9 is a side view showing the transfer device after pressing the double-sided circuit board;
fig. 10 shows a partial enlarged view at B in fig. 9;
FIG. 11 shows a partial enlarged view at C in FIG. 9;
FIG. 12 shows a connection structure of the thimble and the slider;
FIG. 13 shows another connection structure of the thimble and the slider.
The labels in the figure are: the double-sided circuit board comprises a double-sided circuit board-1, a bearing plate-100, a rectangular groove-101, a positioning hole-102, a mounting frame-110, a lifting cylinder-120, a fixing plate-130, a screw rod mechanism-200, a screw rod-210, a guide rod-220, a motor-230, a sliding block-240, a conical hole-241, a connecting plate-250, a limiting seat-251, a positioning pin-252, a thimble-300, a pressing plate-400, a second strip-shaped groove-401, a pressing cylinder-410, a pressing sleeve-420, a first strip-shaped groove-421, a strip-shaped hole-422, a plug-423, a ball-430 and a guide screw-440.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
As shown in fig. 1 and 2, a double-sided circuit board transfer apparatus includes: a carrier plate 100, a screw mechanism 200, and a pressure plate 400.
Specifically, rectangular channel 101 that sets up in pairs is seted up along width direction's both sides to loading board 100, and there is fixed plate 130 at the opening part of rectangular channel 101 all through bolted connection, utilizes fixed plate 130 to seal the opening of rectangular channel 101, is favorable to improving the structural strength of loading board 100 simultaneously, has the interval between the rectangular channel 101, and there are multiseriate along the loading board 100 length direction array in rectangular channel 101.
Specifically, as shown in fig. 4, the screw rod mechanism 200 includes two screw rods 210 coaxially disposed and two guide rods 220 coaxially disposed, one screw rod 210 is used in pair in cooperation with one guide rod 220, the guide rods 220 are disposed in parallel with the screw rod 210 at intervals, the axes of the guide rods 220 and the screw rods 210 are parallel to the extending direction of the rectangular groove 101, the two screw rods 210 are respectively and independently connected with a motor 230, so as to realize independent control, each pair of screw rods 210 and the guide rods 220 are simultaneously connected with a sliding block 240, the sliding block 240 is in sliding fit with the guide rods 220, the sliding block 240 is in threaded fit with the screw rods 210, and the screw rods 210 rotate to drive the sliding block 240 to slide along the guide rods 220. As shown in fig. 1 and 2, a screw mechanism 200 is disposed below the carrier plate 100 at a position corresponding to the rectangular groove 101, each pair of guide rods 220 and the rectangular groove 101 at one side of each of the screw rods 210, and the screw mechanism 200 reciprocates in a direction perpendicular to the carrier plate 100.
More specifically, as shown in fig. 4, a detachable thimble 300 is vertically disposed upward on the top of the slider 240, the upper section of the thimble 300 is in a conical structure, the top is a conical top, after the screw mechanism 200 moves a predetermined distance toward the carrier board 100, the slider 240 is in clearance fit in the rectangular groove 101 to improve the stability of the slider 240 sliding in the rectangular groove 101, and at the same time, as shown in fig. 11, the vertex of the thimble 300 is higher than the top surface of the carrier board 100 by a predetermined distance, the top of the thimble 300 is used for supporting the double-sided circuit board 1.
Specifically, as shown in fig. 1, 8 and 9, a pair of pressing plates 400 is provided and respectively located at two ends of the length direction of the bearing plate 100, the pressing plates 400 are located at the outer sides of the rectangular grooves 101, the pressing plates 400 are of a rectangular flat plate structure, the pressing plates 400 are parallel to the bearing plate 100, the pair of pressing plates 400 are respectively connected to the pushing rods of different pressing cylinders 410, the pushing rods of the two pressing cylinders 410 shown in fig. 8 or 9 are respectively inclined upwards to face the outer sides of the front and rear ends of the bearing plate 100, and the acute included angle between the pushing rods of the pressing cylinders 410 and the top surface of the bearing plate 100 is 45 °.
More specifically, as shown in fig. 5 and 6, the pressing plate 400 is slidably sleeved with a pressing sleeve 420, lubricating grease is applied between the connection surfaces of the pressing plate 400 and the pressing sleeve 420 to reduce resistance, the pressing sleeve 420 slides along the front-back direction of the carrier plate 100, the bottom surface of the pressing sleeve 420 contacts the double-sided circuit board 1 when the double-sided circuit board 1 is pressed, and the friction force between the pressing sleeve 420 and the double-sided circuit board 1 is greater than the friction force between the pressing sleeve 420 and the pressing plate 400.
Preferably, as shown in fig. 4, both ends of the screw rod 210 are provided with a connecting plate 250 perpendicular to the bearing plate 100, a projection of the connecting plate 250 located in the middle of the screw rod mechanism 200 on the bottom surface of the bearing plate 100 is located in an interval range between the rectangular grooves 101, the top of the connecting plate 250 located in the middle of the screw rod mechanism 200 is upwardly provided with a limiting seat 251, when the screw rod mechanism 200 moves towards the bearing plate 100, the top surface of the limiting seat 251 can be used for limiting, so as to ensure that the rising heights of each group of screw rod mechanisms 200 are the same, thereby ensuring that the vertexes of the ejector pins 300 are located on the same plane, and improving the stability of supporting the double-sided circuit board 1.
Further preferably, as shown in fig. 3 and 4, a positioning pin 252 is disposed upward at the top of the limiting seat 251, a projection area of the positioning pin 252 along the axis is smaller than a projection area of the limiting seat 251 along the axis, when the positioning pin 252 and the limiting seat 251 are both of a cylindrical structure, a diameter of the positioning pin 252 is smaller than a diameter of the limiting seat 251, the positioning pin 252 and the limiting seat 251 are coaxially disposed, a positioning hole 102 is formed in the bottom surface of the bearing plate 100 corresponding to the positioning pin 252, and when the thimble 300 is used for supporting the double-sided circuit board 1, the positioning pin 252 is connected in the positioning hole 102 in a matching manner, so as to improve connection stability between the screw mechanism 200 and the bearing plate 100 and ensure accuracy of the position of the thimble 300.
More specifically, as shown in fig. 1 and 2, the mounting structure of the screw mechanism 200 is that a pair of parallel mounting frames 110 is disposed at the bottom of the bearing plate 100, the mounting frames 110 extend along the length direction of the bearing plate 100, two ends of the bottom of the screw mechanism 200 are respectively connected with a lifting cylinder 120, the lifting cylinders 120 are perpendicular to the bearing plate 100 and disposed at the bottom of the mounting frames 110, and the height positions of a group of screw mechanisms 200 are simultaneously controlled by the pair of lifting cylinders 120, so that the unnecessary thimble 300 can be lowered to prevent the thimble from scratching the double-sided circuit board 1.
Preferably, as shown in fig. 5 and 6, a first strip-shaped groove 421 is formed in the surface of the bottom plate of the pressing sleeve 420 opposite to the bottom surface of the pressing plate 400 in an extending manner along the sliding direction of the pressing sleeve 420, the cross section of the first strip-shaped groove 421 is semicircular, at least two rows of the first strip-shaped grooves 421 are arranged in parallel, through holes are formed in one ends of the first strip-shaped grooves 421, the diameter of each through hole is greater than or equal to the radius of the semicircular cross section of the first strip-shaped groove 421, a plug 423 is arranged in each through hole to close the through hole, the plug 423 is embedded in the bottom surface of the pressing sleeve 420 to prevent the double-sided circuit board 1 from being pressed to enable the plug 423 to be in contact with the double-sided circuit board 1, a second strip-shaped groove 401 is formed in the bottom surface of the pressing plate 400 corresponding to the first strip-shaped groove 421, the cross-sectional structure of the second strip-shaped groove 401 is the same as that of the first strip-shaped groove 421, the length of the second strip-shaped groove 401 is greater than that of the first strip-shaped groove 421 to provide the sliding stroke length of the pressing sleeve 420 on the pressing plate 400, after the pressing sleeve 420 and the pressing plate 400 are assembled, a plurality of balls 430 are arranged between the first strip-shaped groove 421 and the second strip-shaped groove 401, the balls 430 enable the bottom surface of the inner side of the pressing sleeve 420 and the bottom surface of the pressing plate 400 to be arranged at intervals, and the rolling friction of the balls 430 in the first strip-shaped groove 421 and the second strip-shaped groove 401 replaces the plane friction between the bottom plate of the pressing sleeve 420 and the pressing plate 400, so that the friction resistance is reduced, the sliding performance is improved, and the pressing sleeve 420 is prevented from sliding on the double-sided circuit board. The through hole is used for loading the ball 430 between the first strip-shaped groove 421 and the second strip-shaped groove 401.
Further preferably, as shown in fig. 5, a strip-shaped hole 422 is formed in the top of the pressing sleeve 420 along the front-back direction of the bearing plate 100, a guide screw 440 is disposed on the top surface of the pressing plate 400, an upper section of the guide screw 440 is of a cylindrical structure, an upper section of the guide screw 440 is slidably disposed in the strip-shaped hole 422 to limit the limit sliding-out position of the pressing sleeve 420 on the pressing plate 400, when the strip-shaped hole 422 is located at one end outside the two ends of the transfer device and contacts with the guide screw 440, an end surface of one end of the pressing sleeve 420 facing the middle of the transfer device is flush with an end surface of the pressing plate 400 or is located within a main body range of the pressing plate 400, so that it can be ensured that the distance between the end surfaces of the two ends of the pressing sleeve 420 facing the one end of the middle of the transfer device is greater than the length or width of the double-sided circuit board when the double-sided circuit board is installed, and the double-sided circuit board can be smoothly put in and taken out. The lower section is a thread structure, the guide screw 440 is connected with the pressure plate 400 through the thread structure, the top surface of the guide screw 440 is provided with an inner hexagonal counter bore for rotation, and the top surface height of the guide screw 440 is lower than that of the pressing sleeve 420.
Further preferably, the bottom surface of the pressing sleeve 420 is provided with an anti-slip rubber pad, the anti-slip rubber pad is made of soft rubber, the double-sided circuit board 1 is prevented from being pressed, meanwhile, the friction force between the pressing sleeve 420 and the double-sided circuit board 1 is increased, and the pressing sleeve 420 is prevented from continuing to slide relative to the double-sided circuit board 1 after contacting with the double-sided circuit board 1, so that the double-sided circuit board 1 is prevented from being scratched.
Preferably, as shown in fig. 1, storage slots 103 are formed in the top surface of the carrier plate 100 at positions corresponding to the descending positions of the pressure plate 400, the pressure plate 400 descends by a predetermined height and then is stored in the storage slots 103 together with the pressing sleeve 420, and when the device stops working, the pressure plate 400 and the pressing sleeve 420 are stored in the storage slots 103 together to play a role in protection, so that the pressure plate 400 or the pressing sleeve 420 is prevented from being damaged by collision during cleaning or maintenance of the device.
Example 2
As shown in fig. 12, the thimble 300 is sequentially provided with three sections from top to bottom, the upper section is a conical structure with an upward conical top, the conical top is used for supporting the double-sided circuit board 1, the middle section is screwed down, the screwed down part is an equilateral polygonal structure with even number sides, such as a quadrangle and a hexagon, so as to facilitate screwing down, the lower section is a screw rod structure, and the thimble 300 is connected with the slider 240 through the screw rod structure of the lower section, so as to ensure the stability of the connection between the thimble 300 and the slider 240.
Example 3
As shown in fig. 13, the thimble 300 is divided into an upper section and a lower section, the upper section is a conical structure with an upward conical top, the conical top is used for supporting the double-sided circuit board 1, the lower section is a conical structure with a downward conical top, the upper section is coaxial with the lower section, the top of the slider 240 is provided with a conical hole 241 matched with the lower section of the thimble 300, the thimble 300 is connected with the conical hole 241 of the slider 240 through the conical structure of the lower section, the conical structure can effectively ensure the coaxiality between the connecting pieces, the installation accuracy between the thimble 300 and the slider 240 can be improved, meanwhile, the conical structure is directly used for connection, the dismounting process of threaded connection is reduced, the dismounting is more convenient and faster.
The specific implementation mode is as follows: firstly, selecting a corresponding screw rod mechanism 200 according to the wiring diagram of the double-sided circuit board and the position of a reserved supporting point, lifting the selected screw rod mechanism 200 towards the direction of the bearing plate 100 through the lifting cylinder 120, wherein the top point of the thimble 300 protrudes out of the top surface of the bearing plate 100, the positioning pin 252 is smoothly inserted into the positioning hole 102, and meanwhile, the slide block 240 is inserted into the rectangular groove 101 in a matching way; then, the motor 230 corresponding to each thimble 300 is started to adjust the thimble 300 to a set position. The selection of the screw rod mechanism 200, the lifting of the lifting cylinder 120 and the starting of the motor 230 can be uniformly controlled by a uniform controller, the positioning points of the ejector pins 300 can be set in the controller in advance according to the structural characteristics of different double-sided circuit boards, and the selection can be performed only according to different models when the ejector pins are used.
After the above steps are completed, the double-sided circuit board 1 can be loaded, as shown in fig. 8, the pressing plate 400 is lifted to a set height, at this time, the distance between the opposite end surfaces of the pressing plates 400 at the two ends is larger than the width of the double-sided circuit board 1, and then the double-sided circuit board 1 is placed downwards on the thimble 300; then, the pressing plate 400 descends through the pressing cylinder 410, when the bottom surface of the pressing sleeve 420 contacts the double-sided circuit board 1, the pressing plate 400 continuously descends by a set height, and in the process, the position between the bottom surface of the pressing sleeve 420 and the double-sided circuit board 1 is kept fixed, so that the double-sided circuit board 1 is prevented from being scratched, the pressing plate 400 slides in the pressing sleeve 420, so that the double-sided circuit board 1 is continuously pressurized, at the moment, as shown in fig. 10, the front end of the pressing plate 400 protrudes out of the pressing sleeve 420, and the shifting mechanism presses the double-sided circuit board 1 to be in a state shown in fig. 7 and 9.
The foregoing is only a preferred embodiment of the present invention and is not intended to be exhaustive or to limit the invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention.
Claims (10)
1. A double-sided circuit board transfer device is characterized by comprising:
the bearing plate (100) is provided with rectangular grooves (101) which are arranged in pairs along two sides of the width direction, intervals are arranged among the rectangular grooves (101), and the rectangular grooves (101) are arrayed in multiple rows along the length direction of the bearing plate (100);
the screw rod mechanism (200) comprises two screw rods (210) which are coaxially arranged and two guide rods (220) which are coaxially arranged, one screw rod (210) is matched with one guide rod (220) to be used in pairs, the guide rods (220) and the screw rods (210) are arranged in parallel at intervals, the axes of the guide rods (220) and the screw rods (210) are parallel to the extending direction of the rectangular groove (101), the two screw rods (210) are respectively and independently connected with a motor (230), each pair of screw rods (210) and the guide rods (220) are simultaneously connected with a slide block (240), the screw rod mechanism (200) is arranged at the position, corresponding to the rectangular groove (101), below the bearing plate (100), each pair of guide rods (220) and the rectangular groove (101) at one side corresponding to the screw rods (210), and the screw rod mechanism (200) reciprocates in the direction vertical to the bearing plate (100);
a detachable thimble (300) is vertically and upwards arranged at the top of the sliding block (240), the upper section of the thimble (300) is in a conical structure, when the screw rod mechanism (200) moves to the direction of the bearing plate (100) for a preset distance, the sliding block (240) is in clearance fit in the rectangular groove (101), the vertex of the thimble (300) is higher than the top surface of the bearing plate (100) for a preset distance, and the thimble (300) is used for supporting the double-sided circuit board (1);
the clamp plate (400), it is a pair of to be equipped with, be located loading board (100) length direction's both ends respectively, clamp plate (400) are the flat structure of rectangle, be on a parallel with loading board (100), a pair of clamp plate (400) are connected respectively in the push rod that compresses tightly cylinder (410) of difference, two push rods that compress tightly cylinder (410) tilt up respectively towards the outside of loading board (100) front and back end, the sliding sleeve of clamp plate (400) periphery is equipped with and compresses tightly cover (420), it slides along the fore-and-aft direction of loading board (100) to compress tightly cover (420), compress tightly the bottom surface and the contact of two-sided circuit board (1) of cover (420) when compressing tightly two-sided circuit board (1).
2. The double-sided circuit board transfer device according to claim 1, wherein two ends of the screw rod (210) are respectively provided with a connecting plate (250) perpendicular to the bearing plate (100), the projection of the connecting plate (250) located in the middle of the screw rod mechanism (200) on the bottom surface of the bearing plate (100) is located in the interval range between the rectangular grooves (101), the top of the connecting plate (250) located in the middle of the screw rod mechanism (200) is upwards provided with a limiting seat (251), the top of the limiting seat (251) is upwards provided with a positioning pin (252), the projection area of the positioning pin (252) along the axis is smaller than the projection area of the limiting seat (251) along the axis, and the bottom surface of the bearing plate (100) corresponding to the positioning pin (252) is provided with a positioning hole (102).
3. A dual-sided circuit board transfer apparatus as claimed in claim 1, wherein a pair of parallel mounting frames (110) are disposed at the bottom of the carrier board (100), the mounting frames (110) extend along the length direction of the carrier board (100), two ends of the bottom of the screw mechanism (200) are respectively connected to a lifting cylinder (120), and the lifting cylinders (120) are disposed at the bottom of the mounting frames (110) perpendicular to the carrier board (100).
4. The device for transferring double-sided circuit boards as claimed in claim 1, wherein the push rod of the pressing cylinder (410) forms an acute angle of 45 ° with the top surface of the carrier board (100).
5. The double-sided circuit board transfer device according to claim 1, wherein a first strip-shaped groove (421) is formed in the surface of the bottom plate of the pressing sleeve (420) opposite to the bottom surface of the pressing plate (400) in an extending manner along the sliding direction of the pressing sleeve (420), the cross section of the first strip-shaped groove (421) is semicircular, at least two rows of the first strip-shaped grooves (421) are arranged in parallel, through holes are formed in one ends of the first strip-shaped grooves (421) and face the bottom surface of the pressing sleeve (420), the diameter of each through hole is larger than or equal to the radius of the semicircular cross section of the first strip-shaped groove (421), a plug (423) is arranged in each through hole, a second strip-shaped groove (401) is formed in the bottom surface of the pressing plate (400) corresponding to the first strip-shaped groove (421), the cross-sectional structures of the second strip-shaped groove (401) and the first strip-shaped groove (421) are the same, the length of the second strip-shaped groove (401) is larger than that of the first strip-shaped groove (421), and a gap is formed between the first strip-shaped groove (421) after the pressing sleeve (420) and the pressing plate (400) are assembled A plurality of balls (430).
6. The device for transferring the circuit boards on two sides as claimed in claim 1, wherein a strip-shaped hole (422) is formed on the top of the pressing sleeve (420) along the front-back direction of the carrier board (100), a guide screw (440) is disposed on the top surface of the pressing plate (400), the upper section of the guide screw (440) is a cylindrical structure, and the upper section of the guide screw (440) is slidably disposed in the strip-shaped hole (422).
7. The double-sided circuit board transfer device as claimed in claim 1, wherein the bottom surface of the pressing sleeve (420) is provided with an anti-slip rubber mat, and the anti-slip rubber mat is made of soft rubber.
8. The double-sided circuit board transfer device as claimed in claim 1, wherein the thimble (300) has three sections sequentially from top to bottom, the upper section is a conical structure with an upward conical top for supporting the double-sided circuit board (1), the middle section is a tightening part which is an equilateral polygon structure with even number sides for facilitating tightening, the lower section is a screw structure, and the thimble (300) is connected with the slide block (240) through the screw structure of the lower section.
9. The double-sided circuit board transfer device according to claim 1, wherein the ejector pin (300) is divided into an upper section and a lower section, the upper section is a conical structure with an upward conical top for supporting the double-sided circuit board (1), the lower section is a conical structure with a downward conical top, the upper section is coaxial with the lower section, the top of the slider (240) is provided with a conical hole (241) matching with the lower section of the ejector pin (300), and the ejector pin (300) is connected with the conical hole (241) of the slider (240) through the conical structure of the lower section.
10. The device for transferring double-sided circuit boards as claimed in claim 1, wherein the top surface of the carrier board (100) is formed with a storage slot (103) at a position corresponding to the position where the pressing plate (400) descends, and the pressing plate (400) descends by a predetermined height and then is received in the storage slot (103) together with the pressing sleeve (420).
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| CN202110480784.2A CN112996270B (en) | 2021-04-30 | 2021-04-30 | Double-sided circuit board moves and carries device |
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| CN202110480784.2A CN112996270B (en) | 2021-04-30 | 2021-04-30 | Double-sided circuit board moves and carries device |
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| CN112996270B true CN112996270B (en) | 2021-07-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113247532B (en) * | 2021-07-06 | 2021-09-21 | 四川英创力电子科技股份有限公司 | PCB positioning and conveying device |
| CN113370110B (en) * | 2021-08-12 | 2021-11-19 | 常州市昌隆电机股份有限公司 | Jig for motor controller board and positioning method thereof |
| CN115012022A (en) * | 2022-06-29 | 2022-09-06 | 京东方科技集团股份有限公司 | Substrate carrier and electrochemical deposition apparatus |
| CN115579314B (en) * | 2022-11-14 | 2023-03-24 | 四川上特科技有限公司 | Wafer conveying disc and conveying device |
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