Disclosure of Invention
The technical problem is as follows: at present, a large amount of equipment is needed for powder screening treatment of automatic equipment for CPU pin recovery treatment, and the automatic equipment is not suitable for the CPU pin recovery treatment of medium and small batches.
In order to solve the problems, the embodiment designs a waste computer CPU metal stitch recovery device, which comprises a stitch storage box, wherein a storage cavity with an upward opening is arranged in the stitch storage box, a CPU conveying device is arranged on the right side of the stitch storage box and used for conveying a CPU, a supporting rod is fixedly connected on the left end face of the stitch storage box, a fixed table is fixedly connected on the right end face of the supporting rod, a CPU clamping and fixing device is arranged on the lower end face of the fixed table and used for clamping and fixing the CPU and conveying the CPU to a cutting position for cutting, a stitch cutting device is arranged on the inner wall of the left side of the storage cavity and used for cutting off stitches on the CPU, and the stitch cutting device can automatically perform tool retracting movement according to the feeding resistance, thereby avoid the excision resistance and electric capacity on the CPU, stitch resection device include fixed connection in store the electronic jar on the intracavity left side inner wall, be equipped with in the electronic jar and extend right to store the second grade shrink pole of intracavity, fixedly connected with slip table on the second grade shrink pole right side terminal surface, fixedly connected with L shape pole on the slip table, it is connected with the bull stick to rotate on the L shape pole, the bull stick in L shape pole rotates the junction and is equipped with torsion spring, fixedly connected with position switch on the bull stick left side terminal surface, sliding connection has the slide of two longitudinal symmetries on the slip table side terminal surface, the slide is located L shape pole right side, be equipped with on the bracing piece right side terminal surface and be located the indexing means of stitch resection device upside, indexing means can drive CPU centre gripping fixing device carries out indexing motion, just stitch resection device moves back the sword homoenergetic at every turn and makes indexing means drives CPU centre gripping fixing device is last to go up The CPU rotates a quarter of a circle, so that all pins on the CPU are conveniently cut off, and the cutting of the capacitor and the resistor on the CPU is avoided.
Preferably, the CPU conveying device comprises a conveying box arranged on the right side of the stitch storage box, a conveying cavity with an upward opening is arranged in the conveying box, two conveying shafts which are symmetrical front and back are rotatably connected to the inner wall of the left side of the conveying cavity, the conveying shafts extend rightwards, conveying shafts are fixedly connected with conveying belt wheels and two conveying belts are connected between the conveying belt wheels, the front side of the conveying shafts is fixedly connected with a conveying motor on the inner wall of the left side of the conveying cavity, auxiliary conveying cavities on the right side of the conveying cavity are arranged in the conveying box, openings of the auxiliary conveying cavities face upwards, two auxiliary conveying shafts which are symmetrical left and right are rotatably connected to the inner wall of the front side of the auxiliary conveying cavity, auxiliary conveying belt wheels are fixedly connected to the auxiliary conveying shafts, and auxiliary conveying belts are connected between the auxiliary conveying belt wheels and are fixedly connected to the auxiliary conveying shafts on the inner wall of the front side of the auxiliary conveying cavity The auxiliary conveying belt and the conveying belt are used for conveying the CPUs, and the two CPUs are arranged on the end face of the upper side of the auxiliary conveying belt.
Preferably, the CPU clamping and fixing device includes a linear motor slidably connected to the lower end surface of the fixing table, an auxiliary electric cylinder is fixedly connected to the lower end surface of the linear motor, an auxiliary pulley extending downward to the outside of the end surface of the auxiliary electric cylinder is provided in the auxiliary electric cylinder, a pulley shaft located at the lower side of the auxiliary electric cylinder is fixedly connected to the auxiliary pulley, a downwardly extending rotating shaft is rotatably connected to the lower end surface of the pulley shaft, a grooved pulley is fixedly connected to the rotating shaft, four chutes distributed in an annular array are provided in the grooved pulley, the chutes are vertically through and open to the side away from the auxiliary pulley, an air passage pipe located at the lower side of the grooved pulley is fixedly connected to the rotating shaft, a valve body is fixedly connected to the lower end surface of the air passage pipe, a valve body cavity communicated with the air passage pipe is provided in the valve body, and a telescopic pipe is communicated with, the inner wall of the lower side of the valve body cavity is connected with a valve core in a sliding manner, the valve core can seal a communicating hole between the telescopic pipe and the valve body cavity, an auxiliary spring is connected between the valve core and the inner wall of the left side of the valve body cavity, the right end face of the valve core is fixedly connected with a driven rod which extends rightwards to the outside of the end face of the valve body cavity, the telescopic pipe is communicated with a sucker which is positioned at the lower side of the valve body, a spring is connected between the sucker and the valve body, the upper end face of the sucker is fixedly connected with a connecting rod which is positioned at the right side of the valve body, the connecting rod is fixedly connected with an inclined plane block which is abutted against the driven rod, the lower end face of the air path pipe is communicated and connected with two eudipleural air pipes, the sucker is positioned between the two air pipes, the opening of the air cavity faces one side of the sucker, the electromagnet is fixedly connected to the inner wall of the right side of the air cavity, the piston located on one side, close to the sucker, of the electromagnet is connected to the air cavity in a sliding mode, an auxiliary compression spring is connected between the piston and the electromagnet, the piston is close to a piston rod fixedly connected to the end face of one side of the sucker, the piston rod extends out of the end face of the cylinder towards one side, the cylinder is close to a clamping block on one side of the sucker, the clamping block can be abutted to the CPU, and therefore the CPU is clamped and fixed.
Preferably, it is connected with the transmission shaft that upwards extends to rotate on the side end face on the slide, fixedly connected with runner on the transmission shaft, two be connected with the cutting rope between the runner, the front side power connection has fixed connection in the front side on the transmission shaft cutting motor on the slide, the front side the vice dead lever of fixedly connected with on the side end face on the slide left side, vice dead lever with be connected with compression spring between the L shape pole, vice dead lever can with the bull stick butt, just vice dead lever can trigger position switch, fixedly connected with is located on the side end face on the slip table the left dead lever of L shape pole, fixedly connected with is located on the dead lever left side end face the rack of electronic jar upside.
Preferably, the indexing device comprises a cross rod fixedly connected to the right end face of the support rod, a gear shaft extending downwards is rotatably connected to the lower end face of the cross rod, a belt wheel is fixedly connected to the gear shaft, a one-way clutch located on the lower side of the belt wheel is arranged on the gear shaft, a gear is arranged on the lower end face of the one-way clutch and can be meshed with the rack, a pulley shaft extending up and down is rotatably connected to the cross rod and is located on the right side of the gear shaft, a secondary belt wheel located on the lower side of the cross rod is fixedly connected to the pulley shaft, a V-belt is connected between the secondary belt wheel and the belt wheel, a rotating wheel located on the upper side of the cross rod is fixedly connected to the pulley shaft, a shift lever is fixedly connected to the left end face of the rotating, the bolt can move into the sliding groove and is in sliding connection with the sliding groove.
The invention has the beneficial effects that: the CPU clamping and fixing device clamps and fixes the CPU in two modes of negative pressure adsorption of the sucking disc and mechanical clamping of the clamping block, so that the CPU can be reliably fixed, the stitch cutting precision is improved, the stitch cutting device can automatically judge whether to perform tool retracting movement according to the feeding resistance during cutting, and the resistance and the capacitance on the CPU are prevented from being cut off, so that the CPU pin cutting device can adapt to the cutting of the CPU stitch with the exposed resistance and the capacitance, and the dividing device can drive the CPU to rotate for a quarter of a circle after the tool retracting movement of the stitch cutting device, so that the stitch on the CPU can be completely cut off.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 9, and for the sake of convenience of description, the following orientations will be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a waste computer CPU metal pin recovery device, which is mainly applied to CPU pin recovery, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to a waste computer CPU metal pin recovery device, which comprises a pin storage box 11, wherein a storage cavity 12 with an upward opening is arranged in the pin storage box 11, a CPU conveying device 101 is arranged at the right side of the pin storage box 11, the CPU conveying device 101 is used for conveying a CPU27, a supporting rod 79 is fixedly connected to the left end face of the pin storage box 11, a fixed table 22 is fixedly connected to the right end face of the supporting rod 79, a CPU clamping and fixing device 102 is arranged on the lower end face of the fixed table 22, the CPU clamping and fixing device 102 is used for clamping and fixing a CPU27 and conveying the CPU27 to a cutting position for cutting, a pin cutting device 103 is arranged on the inner wall of the left side of the storage cavity 12, the pin cutting device 103 is used for cutting and removing pins on the CPU27, and the pin cutting device 103 can automatically perform tool retracting movement according to the feed resistance, thereby avoid amputating resistance and electric capacity on the CPU27, stitch resection device 103 includes fixed connection in store chamber 12 left side inner wall on electronic jar 16, be equipped with in electronic jar 16 and extend to right the second grade shrink pole 15 in the store chamber 12, fixedly connected with slip table 14 on the second grade shrink pole 15 right side terminal surface, fixedly connected with L shape pole 17 on the slip table 14, the last swivelling joint that rotates of L shape pole 17 has bull stick 59, bull stick 59 in L shape pole 17 rotates the junction and is equipped with torsion spring 61, fixedly connected with position switch 60 on the terminal surface of bull stick 59 left side, sliding connection has two symmetrical slide 13 in front and back on the terminal surface of the side on the slip table 14, slide 13 is located L shape pole 17 right side, be equipped with on the terminal surface of bracing piece 79 right side and be located the indexing means 104 of stitch resection device 103 upside, indexing means 104 can drive CPU centre gripping fixing device 102 carries out indexing motion, and the pin cutting device 103 can make the dividing device 104 drive the CPU27 on the CPU clamping and fixing device 102 to rotate a quarter of a turn each time the cutter is withdrawn, so that all pins on the CPU27 can be conveniently cut, and the cutting of the capacitor and the resistor on the CPU27 is avoided.
Beneficially, the CPU conveying device 101 includes the conveying box 34 disposed on the right side of the stitch storage box 11, a conveying cavity 37 with an upward opening is disposed in the conveying box 34, two conveying shafts 35 with front and back symmetry are rotatably connected to the inner wall of the left side of the conveying cavity 37, the conveying shaft 35 extends rightward, a conveying belt wheel 36 is fixedly connected to the conveying shaft 35, a conveying belt 29 is connected between the two conveying belt wheels 36, a conveying motor 28 fixedly connected to the inner wall of the left side of the conveying cavity 37 is dynamically connected to the conveying shaft 35 of the front side, a secondary conveying cavity 33 located on the right side of the conveying cavity 37 is disposed in the conveying box 34, the opening of the secondary conveying cavity 33 is upward, two secondary conveying shafts 32 with left and right symmetry are rotatably connected to the inner wall of the front side of the secondary conveying cavity 33, a secondary conveying belt wheel 31 is fixedly connected to the secondary conveying shaft 32, and a secondary conveying belt 30 is connected between the two secondary, a secondary conveying motor 38 fixedly connected to the inner wall of the front side of the secondary conveying cavity 33 is connected to the secondary conveying shaft 32 on the left side in a power mode, the secondary conveying belt 30 and the conveying belt 29 are used for conveying the CPU27, two CPUs 27 are arranged on the upper end face of the secondary conveying belt 30, the conveying belt 29 is used for conveying the CPU27 with pins cut off to the outside for storage, and the secondary conveying belt 30 is used for supplying the CPU27 with pins of the conveying belt.
Beneficially, the CPU clamping fixture 102 includes a linear motor 25 slidably connected to the lower end surface of the fixed platform 22, a secondary electric cylinder 24 is fixedly connected to the lower end surface of the linear motor 25, a secondary pulley 46 extending downward beyond the end surface of the secondary electric cylinder 24 is provided in the secondary electric cylinder 24, a pulley shaft 47 located at the lower side of the secondary electric cylinder 24 is fixedly connected to the secondary pulley 46, a rotating shaft 26 extending downward is rotatably connected to the lower end surface of the pulley shaft 47, a grooved pulley 23 is fixedly connected to the rotating shaft 26, four sliding chutes 48 distributed in a circumferential array are provided in the grooved pulley 23, the sliding chutes 48 are vertically penetrated and open to the side far away from the secondary pulley 46, an air path pipe 51 located at the lower side of the grooved pulley 23 is fixedly connected to the rotating shaft 26, a valve body 65 is fixedly connected to the lower end surface of the air path pipe 51, and a valve body cavity 67 communicating with the air path pipe 51 is provided in the valve, the valve body cavity 67 is communicated and connected with a telescopic pipe 77 on the lower end face of the valve body cavity 67, the inner wall of the lower side of the valve body cavity 67 is connected with a valve core 66 in a sliding manner, the valve core 66 can seal a communicating opening between the telescopic pipe 77 and the valve body cavity 67, an auxiliary spring 78 is connected between the valve core 66 and the inner wall of the left side of the valve body cavity 67, the right end face of the valve core 66 is fixedly connected with a driven rod 68 which extends rightwards to the outside of the end face of the valve body cavity 67, the telescopic pipe 77 is communicated and connected with a suction cup 52 which is positioned on the lower side of the valve body 65, a spring 76 is connected between the suction cup 52 and the valve body 65, the upper end face of the suction cup 52 is fixedly connected with a connecting rod 70 which is positioned on the right side of the valve body 65, the connecting, the suction cup 52 is located between the two air pipes 49, the air pipes 49 are fixedly connected with an air cylinder 50 located on the lower side of the suction cup 52, an air cavity 74 communicated with the air pipes 49 is arranged in the air cylinder 50, the opening of the air cavity 74 faces one side of the suction cup 52, an electromagnet 73 is fixedly connected to the inner wall of the right side of the air cavity 74, a piston 71 located on one side, close to the suction cup 52, of the electromagnet 73 is connected in the air cavity 74 in a sliding manner, an auxiliary compression spring 72 is connected between the piston 71 and the electromagnet 73, a piston rod 75 is fixedly connected to the end face, close to one side of the suction cup 52, of the piston 71, the piston rod 75 extends out of the end face of the air cylinder 50 towards one side of the suction cup 52, a clamping block 54 located on one side, close to the suction cup 52, of the clamping block 54 can be abutted, thereby clamping and fixing the CPU27, and when the electromagnet 73 is electrified to adsorb the piston 71, releasing the CPU27 can be realized.
Beneficially, a transmission shaft 62 extending upwards is rotatably connected to the upper end face of the sliding base 13, a rotating wheel 64 is fixedly connected to the transmission shaft 62, a cutting rope 63 is connected between the two rotating wheels 64, a cutting motor 56 fixedly connected to the front side of the sliding base 13 is power-connected to the transmission shaft 62 at the front side, an auxiliary fixing rod 57 is fixedly connected to the left end face of the sliding base 13 at the front side, a compression spring 58 is connected between the auxiliary fixing rod 57 and the L-shaped rod 17, the auxiliary fixing rod 57 can abut against the rotating rod 59, the auxiliary fixing rod 57 can trigger the position switch 60, a fixing rod 18 positioned at the left side of the L-shaped rod 17 is fixedly connected to the upper end face of the sliding table 14, a rack 19 positioned at the upper side of the electric cylinder 16 is fixedly connected to the left end face of the fixing rod 18, when the cutting rope 63 is cutting the feed resistance of the CPU27 is reduced, the auxiliary fixing rod 57 and the sliding base 13 move rightwards under the action of the compression spring 58, so that the auxiliary fixing rod 57 triggers the position switch 60, and the electric cylinder 16 drives the secondary contraction rod 15 to contract, so that the sliding table 14 moves leftwards to move back.
Advantageously, the indexing device 104 includes a cross bar 20 fixedly connected to the right end face of the support rod 79, a gear shaft 42 extending downward is rotatably connected to the lower end face of the cross bar 20, a pulley 43 is fixedly connected to the gear shaft 42, a one-way clutch 41 located below the pulley 43 is provided on the gear shaft 42, a gear 40 is provided on the lower end face of the one-way clutch 41, the gear 40 can be engaged with the rack 19, a pulley shaft 47 extending upward and downward is rotatably connected to the cross bar 20, the pulley shaft 47 is located at the right side of the gear shaft 42, a secondary pulley 46 located below the cross bar 20 is fixedly connected to the pulley shaft 47, a V-belt 44 is connected between the secondary pulley 46 and the pulley 43, a rotating wheel 21 located above the cross bar 20 is fixedly connected to the pulley shaft 47, and a shift lever 55 is fixedly connected to the left end face of the rotating wheel, the bolt 45 is fixedly connected to the end face of the upper side of the shift lever 55, the bolt 45 can move into the sliding groove 48 and is in sliding connection with the sliding groove 48, when the rack 19 moves leftwards, the rack 19 drives the gear 40 to rotate through meshing connection, and the gear 40 can drive the gear shaft 42 to rotate through the one-way clutch 41.
The following describes in detail the use steps of a waste computer CPU metal pin recycling device in this document with reference to fig. 1 to 9: initial state: the linear motor 25 is positioned at the right limit, the auxiliary pulley 46, the pulley shaft 47 and the grooved pulley 23 are positioned at the upper limit, under the action of the spring 76, the suction cup 52, the incline block 69 and the connecting rod 70 are positioned at the lower limit position, under the action of the auxiliary spring 78, the valve core 66 and the driven rod 68 are positioned at the right limit position, so that the valve core 66 seals the opening of the telescopic pipe 77 and the valve body cavity 67, the piston 71, the clamping block 54 and the piston rod 75 are positioned at the limit position at one side far away from the suction cup 52, the auxiliary compression spring 72 is in a compressed state, the secondary contraction rod 15 is in a contracted state, the sliding table 14, the fixed rod 18 and the rack 19 are positioned at the left limit position, the rack 19 is meshed with the gear 40, under the action of a torsion spring 61, the rotating rod 59 is located at a vertical position, under the action of a compression spring 58, the auxiliary fixing rod 57 and the sliding seat 13 are located at a right limit position relative to the L-shaped rod 17, the auxiliary fixing rod 57 is located at the right side of the rotating rod 59, and the bolt 45 is not located in the sliding groove 48; a plurality of CPUs 27 are placed on the auxiliary conveyor belt 30 by external equipment or manual work, then the auxiliary conveyor motor 38 is started to drive the auxiliary conveyor shaft 32 and the auxiliary conveyor belt pulley 31 on the left side to rotate, the auxiliary conveyor belt pulley 31 drives the auxiliary conveyor belt 30 to rotate, the auxiliary conveyor belt 30 drives the CPU27 to move leftward, the leftmost CPU27 is positioned at the lower side of the grooved wheel 23, then the auxiliary conveyor motor 38 stops rotating, the auxiliary electric cylinder 24 is started, the auxiliary electric cylinder 24 drives the auxiliary pulley 46, the pulley shaft 47, the rotating shaft 26, the suction cup 52 and the air cylinder 50 to move downward, the suction cup 52 is abutted against the upper end face of the CPU27, then the auxiliary pulley 46 continues to move downward, the suction cup 52 moves upward relative to the valve body 65, the bevel block 69 drives the driven rod 68 and the valve core 66 to move leftward, the telescopic tube 77 is communicated with the valve body cavity 67, then the auxiliary pulley 46 stops moving downward, and the piston 71, the clamping block 54 moves to the side close to the suction cup 52, so that the clamping block 54 clamps and fixes the CPU27, and the negative pressure generated in the process that the piston 71 moves to the side close to the suction cup 52 is transmitted to the suction cup 52 through the air pipe 49, the air pipe 51, the valve body cavity 67 and the telescopic pipe 77, so that the suction cup 52 generates negative pressure to adsorb the CPU27, and the CPU27 is reliably clamped and fixed; then the auxiliary electric cylinder 24 drives the auxiliary belt wheel 46 and the grooved wheel 23 to move upwards for resetting, then the linear motor 25 drives the auxiliary electric cylinder 24 to move leftwards to a left limit position, so that the bolt 45 can rotate into the sliding groove 48, then the linear motor 25 stops working, the electric cylinder 16 and the cutting motor 56 are started, the cutting motor 56 drives the front transmission shaft 62 and the front rotating wheel 64 to rotate, so as to drive the cutting rope 63 to rotate, the electric cylinder 16 drives the secondary contraction rod 15 to extend rightwards, the secondary contraction rod 15 drives the sliding table 14 and the sliding seat 13 to move rightwards, when the cutting rope 63 is contacted with a CPU27 pin, the cutting pin is moved, the cut pin falls into the storage cavity 12 to be stored, the feeding resistance of the right movement of the cutting rope 63 enables the sliding seat 13 and the auxiliary fixing rod 57 to move leftwards relative to the sliding table 14, the auxiliary fixing rod 57 is enabled to be abutted against the rotating rod 59 and pushes the rotating rod 59 to rotate leftwards, so as to enable, when the fixed rod 18 and the rack 19 are driven by the sliding table 14 to move rightwards, the rack 19 is connected with the gear 40 to rotate through meshing, but at the moment, the gear 40 cannot drive the gear shaft 42 to rotate through the one-way clutch 41; when the feed resistance of the cutting rope 63 moving to the right is reduced, that is, the cutting rope 63 moves to a position close to the resistance and the capacitance on the CPU27, due to the reduction of the feed resistance, under the action of the compression spring 58, the secondary fixing rod 57 moves to the right to trigger the position switch 60, so that the electric cylinder 16 drives the secondary contraction rod 15 to contract, and the sliding table 14 moves to the left to move the cutter, thereby realizing the automatic cutter retracting movement according to the feed resistance, avoiding cutting off the resistance and the capacitance on the CPU27, when the cutting rope 63 moves to the left of the CPU27, the rack 19 is meshed with the gear 40, the rack 19 is connected with the gear 40 to rotate through meshing, the gear 40 drives the gear shaft 42 to rotate through the one-way clutch 41, the gear shaft 42 drives the belt pulley 43 to rotate, the belt shaft 43 drives the secondary pulley 46 to rotate through the V belt 44, the secondary pulley 46 drives the rotating wheel 21, the shift lever, the bolt 45 rotates into the chute 48 at the left front side and drives the grooved wheel 23 to rotate for a quarter of a turn, then the CPU27 rotates for a quarter of a turn to complete indexing motion, then the electric cylinder 16 continues to drive the secondary contraction rod 15 to move right to cut pins, when the three indexing motion and the four cutting motion are completed, the pin cutting of the CPU27 is completed, after the completion, the electric cylinder 16 drives the secondary contraction rod 15 to move left to reset, the cutting motor 56 stops, under the action of the compression spring 58, the secondary fixing rod 57 and the sliding seat 13 move right to reset, then the linear motor 25 drives the CPU27 to move right to the upper side of the conveying belt 29, then the electromagnet 73 is electrified to adsorb the piston 71, the air flow generated by the movement of the piston 71 and the clamping block 54 to the side far away from the suction cup 52 causes the suction cup 52 to lose negative pressure, thereby causing the clamping block 54 to be separated from the contact with the CPU27, the suction cup 52 loses the adsorption effect on the CPU27, the conveying motor 28 drives the conveying shaft 35 at the front side and the conveying belt wheel 36 at the front side to rotate, so as to drive the conveying belt 29 to rotate, the conveying belt 29 drives the CPU27 for cutting the pins to move forwards to an external storage position for storage, then the auxiliary electric cylinder 24 drives the auxiliary belt wheel 46 to move upwards for resetting, the linear motor 25 moves rightwards to a right limit position, so as to complete the resetting of the whole device, and then the movement is repeated to continuously cut the pins of the CPU 27.
The invention has the beneficial effects that: the CPU clamping and fixing device clamps and fixes the CPU in two modes of negative pressure adsorption of the sucking disc and mechanical clamping of the clamping block, so that the CPU can be reliably fixed, the stitch cutting precision is improved, the stitch cutting device can automatically judge whether to perform tool retracting movement according to the feeding resistance during cutting, and the resistance and the capacitance on the CPU are prevented from being cut off, so that the CPU pin cutting device can adapt to the cutting of the CPU stitch with the exposed resistance and the capacitance, and the dividing device can drive the CPU to rotate for a quarter of a circle after the tool retracting movement of the stitch cutting device, so that the stitch on the CPU can be completely cut off.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.