CN111360181B - Waste computer CPU metal pin recovery device - Google Patents

Waste computer CPU metal pin recovery device Download PDF

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Publication number
CN111360181B
CN111360181B CN202010316514.3A CN202010316514A CN111360181B CN 111360181 B CN111360181 B CN 111360181B CN 202010316514 A CN202010316514 A CN 202010316514A CN 111360181 B CN111360181 B CN 111360181B
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CN
China
Prior art keywords
fixedly connected
face
conveying
cpu
rod
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CN202010316514.3A
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CN111360181A (en
Inventor
李裔米
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SHANDONG HONGHAO ENERGY SAVING TECHNOLOGY Co.,Ltd.
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Taizhou Jiaojiang Ruijiang Computer Co ltd
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Priority to CN202010316514.3A priority Critical patent/CN111360181B/en
Publication of CN111360181A publication Critical patent/CN111360181A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21FWORKING OR PROCESSING OF METAL WIRE
    • B21F11/00Cutting wire
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless

Abstract

The invention discloses a waste computer CPU metal pin recovery device, which comprises a pin storage box, wherein a storage cavity with an upward opening is arranged in the pin storage box, a CPU conveying device is arranged at the right side of the pin storage box and is used for conveying a CPU, a supporting rod is fixedly connected to the left end surface of the pin storage box, a fixed table is fixedly connected to the right end surface of the supporting rod, a CPU clamping and fixing device is arranged on the lower end surface of the fixed table and is used for clamping and fixing the CPU and conveying the CPU to a cutting position for cutting, a pin cutting device is arranged on the inner wall of the left side of the storage cavity, and a dividing device positioned on the upper side of the pin cutting device is arranged on the right end surface of the supporting rod. The method is suitable for recycling the CPU pins in medium and small batches.

Description

Waste computer CPU metal pin recovery device
Technical Field
The invention relates to the technical field of CPU pin recovery, in particular to a recovery device for waste computer CPU metal pins.
Background
The CPU, i.e., the central processing unit, is the operation and control core of the computer system, and is the final execution unit for information processing and program operation. The CPU has been developed greatly in terms of logic structure, operation efficiency and function extension since its production, the CPU pin is an interface type, the pin is a conductor connecting CPU and mainboard, the pin on the CPU of computer is plated with gold generally and has higher recovery value, the present CPU pin recovery processing automation equipment mainly adopts direct pulverization processing, then the powder is screened and recovered, so that a large amount of equipment is needed for powder screening processing, the comprehensive investment and production cost is higher, the CPU pin recovery processing automation equipment is suitable for large-scale processing and recovery, and is not suitable for the middle and small batch CPU pin recovery processing.
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 belt wheels are fixedly connected to the conveying shafts, a conveying belt is connected between the two conveying belt wheels, a conveying motor fixedly connected to the inner wall of the left side of the conveying cavity is in power connection with the conveying shaft on the front side, an auxiliary conveying cavity positioned on the right side of the conveying cavity is arranged in the conveying box, the opening of the auxiliary conveying cavity is upward, 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, an auxiliary conveying belt wheel is fixedly connected to the auxiliary conveying shaft, an auxiliary conveying belt is connected between the two auxiliary conveying belt wheels, and an auxiliary conveying motor fixedly connected to the inner wall of the front, 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, a lifting member extending downward to the outside of the end surface of the auxiliary electric cylinder is provided in the auxiliary electric cylinder, a supporting member located at the lower side of the auxiliary electric cylinder is fixedly connected to the lifting member, a rotating shaft extending downward is rotatably connected to the lower end surface of the supporting member, a grooved pulley is fixedly connected to the rotating shaft, four sliding grooves distributed in a circumferential array are provided in the grooved pulley, the sliding grooves are vertically through and open to the side away from the lifting member, 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, 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.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of the overall structure of a waste computer CPU metal pin recovery device according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is an enlarged view of the structure at "C" of FIG. 1;
FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 4;
FIG. 6 is a schematic view of the structure in the direction "E-E" of FIG. 4;
FIG. 7 is an enlarged view of the structure at "F" in FIG. 4;
FIG. 8 is an enlarged view of the structure at "G" in FIG. 4;
FIG. 9 is a schematic view of the structure in the direction "H-H" of FIG. 7.
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 a 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 symmetrical front and back are rotatably connected to the inner wall of the left side of the conveying cavity 37, the conveying shafts 35 extend rightward, conveying belt wheels 36 are fixedly connected to the conveying shafts 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 on 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 symmetrical left and right 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 conveying belt, 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 and fixing device 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 lifting member 98 extending downward beyond the end surface of the secondary electric cylinder 24 is provided in the secondary electric cylinder 24, a supporting member 99 located at the lower side of the secondary electric cylinder 24 is fixedly connected to the lifting member 98, a downwardly extending rotating shaft 26 is rotatably connected to the lower end surface of the supporting member 99, 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 lifting member 98, an air path pipe 51 located at the lower side of the grooved pulley 23 is fixedly connected to the rotating shaft 26, and a valve body 65 is fixedly connected to the lower end surface of the air path pipe, a valve body cavity 67 communicated with the air passage pipe 51 is arranged in the valve body 65, a telescopic pipe 77 is communicated and connected on the lower side end face of the valve body cavity 67, a valve core 66 is connected on the lower side inner wall of the valve body cavity 67 in a sliding manner, the valve core 66 can seal a communicating port between the telescopic pipe 77 and the valve body cavity 67, an auxiliary spring 78 is connected between the valve core 66 and the left side inner wall of the valve body cavity 67, a driven rod 68 extending rightwards to the outside of the end face of the valve body cavity 67 is fixedly connected on the right side end face of the valve core 66, a suction cup 52 positioned on the lower side of the valve body 65 is communicated and connected on the telescopic pipe 77, a spring 76 is connected between the suction cup 52 and the valve body 65, a connecting rod 70 positioned on the right side of the valve body 65 is fixedly connected on the upper side end face of the suction cup 52, an inclined block 69 abutted against the driven rod 68, 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 position, the lifting part 98, the supporting part 99 and the grooved wheel 23 are positioned at the upper limit position, 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 lifting member 98, the supporting member 99, 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 lifting member 98 continues to move downward, the suction cup 52 moves upward relative to the valve body 65, the bevel block 69 pushes 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 lifting member 98 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 lifting component 98 and the grooved pulley 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 moves, 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 the auxiliary, 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 sliding groove 48 at the left front side and drives the grooved wheel 23 to rotate a quarter of a turn, then the CPU27 rotates a quarter of a turn to complete the indexing movement, then the electric cylinder 16 continues to drive the secondary contraction rod 15 to move right to cut the pin,
when the three-time indexing motion and the four-time cutting motion are completed, the stitch of the CPU27 is cut off, after that, the electric cylinder 16 drives the second-stage contraction rod 15 to move leftwards and reset, the cutting motor 56 stops, under the action of the compression spring 58, the auxiliary fixing rod 57 and the sliding seat 13 move rightwards and reset, then the linear motor 25 drives the CPU27 to move rightwards to the upper side of the conveyer 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 sucker 52 causes the sucker 52 to lose negative pressure, thereby causing the clamping block 54 to be separated from the contact with the CPU27, the sucker 52 loses the adsorption effect on the CPU27, causing the CPU27 to fall onto the conveyer belt 29, then the conveyer motor 28 starts, the conveyer motor 28 drives the conveyer shaft 35 at the front side and the conveyer belt wheel 36 at the front side to rotate, thereby driving the conveyer belt 29 to rotate, the CPU27 cutting off the conveyer, the linear motor 25 is moved to the right limit position, so that the reset of the whole device is completed,
the above motion can then be repeated to effect a continuous cutting of the CPU27 stitch.
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.

Claims (5)

1. The utility model provides a old and useless computer CPU metal stitch recovery unit, includes the stitch bin, its characterized in that: the novel cutting device is characterized in that 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 onto the left end face of the stitch storage box, a fixing table is fixedly connected onto the right end face of the supporting rod, a CPU clamping and fixing device is arranged on the lower end face of the fixing table and used for clamping and fixing the CPU, the CPU is conveyed to a cutting position to be cut, 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, the stitch cutting device can automatically move back according to the feeding resistance, so that the resistance and the capacitance on the CPU are prevented from being cut off, and comprises an electric cylinder fixedly connected onto the inner wall of the left side of the storage cavity, the electric cylinder is internally provided with a second-stage contraction rod which extends rightwards into the storage cavity, the right end face of the second-stage contraction rod is fixedly connected with a sliding table, the sliding table is fixedly connected with an L-shaped rod, the L-shaped rod is rotatably connected with a rotating rod, the rotating rod is provided with a torsion spring at the rotating joint of the L-shaped rod, the left end face of the rotating rod is fixedly connected with a position switch, the upper end face of the sliding table is slidably connected with two sliding seats which are symmetrical front and back, the sliding seats are positioned at the right side of the L-shaped rod, the right end face of the supporting rod is provided with an indexing device positioned at the upper side of the stitch cutting device, the indexing device can drive the CPU clamping and fixing device to carry out indexing motion, and the stitch cutting device can drive the CPU on the CPU clamping and fixing device to rotate a quarter circle every time, so that all stitches on the, and avoiding cutting off capacitors and resistors on the CPU.
2. The recycling apparatus of metal pins of waste computer CPUs according to claim 1, wherein: 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 belt wheels are fixedly connected to the conveying shafts, a conveying belt is connected between the two conveying belt wheels, a conveying motor which is fixedly connected to the inner wall of the left side of the conveying cavity is in power connection with the conveying shaft on the front side, an auxiliary conveying cavity which is positioned on the right side of the conveying cavity is arranged in the conveying box, the opening of the auxiliary conveying cavity faces 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, an auxiliary conveying belt is connected between the two auxiliary conveying belt wheels, and an auxiliary conveying motor which is fixedly connected, 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.
3. The recycling apparatus of metal pins of waste computer CPUs according to claim 1, wherein: the CPU clamping and fixing device comprises a linear motor which is connected to the lower side end face of the fixing table in a sliding manner, an auxiliary electric cylinder is fixedly connected to the lower side end face of the linear motor, a lifting part which extends downwards to the outside of the end face of the auxiliary electric cylinder is arranged in the auxiliary electric cylinder, a supporting part which is positioned on the lower side of the auxiliary electric cylinder is fixedly connected to the lifting part, a rotating shaft which extends downwards is rotatably connected to the lower side end face of the supporting part, grooved wheels are fixedly connected to the rotating shaft, four sliding grooves which are distributed in an annular array manner are arranged in the grooved wheels, the sliding grooves are vertically communicated, openings of the sliding grooves face the side far away from the lifting part, an air path pipe which is positioned on the lower side of the grooved wheels is fixedly connected to the rotating shaft, a valve body is fixedly connected to the lower side end face of the air, 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.
4. The recycling apparatus of metal pins of waste computer CPUs according to claim 3, wherein: rotate on the side end face of slide and be connected with the transmission shaft that upwards extends, 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 of 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 of 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.
5. The recycling apparatus of metal pins of waste computer CPUs according to claim 4, wherein: the indexing device comprises a cross bar fixedly connected to the right end face of the support bar, a gear shaft extending downwards is rotatably connected to the lower end face of the cross bar, the gear shaft is fixedly connected with a belt wheel, the gear shaft is provided with a one-way clutch positioned on the lower side of the belt wheel, a gear is arranged on the end surface of the lower side of the one-way clutch and can be meshed and connected with the rack, the transverse rod is rotatably connected with a pulley shaft extending up and down, the pulley shaft is positioned at the right side of the gear shaft, an auxiliary belt wheel positioned on the lower side of the cross rod is fixedly connected to the pulley shaft, a V-belt is connected between the auxiliary belt wheel and the belt wheel, the pulley shaft is fixedly connected with a rotating wheel positioned on the upper side of the cross rod, the left end face of the rotating wheel is fixedly connected with a deflector rod, the bolt is fixedly connected to the end face of the upper side of the shifting lever, and can move into the sliding groove and be in sliding connection with the sliding groove.
CN202010316514.3A 2020-04-21 2020-04-21 Waste computer CPU metal pin recovery device Active CN111360181B (en)

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