CN209546229U - A wire threading device for capacitive pins - Google Patents

Abstract

The utility model relates to a wire threading device for capacitor pins, which comprises a wire feeding device, a capacitor conveying device, and a wire threader. The capacitor delivery device clamps and transmits the capacitor, and the capacitor pin is sent to the wire threader to be positioned and docked with the sleeve; the wire threader sets the sleeve on the capacitor pin and cuts the sleeve to form a foot cover for the capacitor pin Tube. The wire threading equipment for capacitor pins of the utility model can realize the automatic operation of precise capacitor pin bushings.

Description

A wire threading device for capacitive pins

technical field

The utility model relates to processing equipment in the electronic field, in particular to a wire threading equipment for capacitor pins.

Background technique

The circuit board is the core component of electrical control and is widely used in electronic equipment, computers, televisions, automation and semi-automation equipment, etc. It is of great significance to industrial production and civilian electrical appliances. The production and production tools of integrated circuits play an important role in industrial and agricultural production and industrial automation. Especially with the rapid development of intelligent manufacturing, the processing and production of integrated circuits are more prominent. A large number of capacitors are used on circuit boards, and capacitors are important electronic components. At present, the assembly and molding of capacitors is mainly done manually, or complex machine assembly, but the accuracy is poor.

Utility model content

The technical problem to be solved by the utility model is: to provide a capacitive pin threading device to solve the problem of low precision and efficiency of the capacitive pin bushing in the prior art.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A wire threading device for capacitor pins, including a wire feeding device, a capacitor conveying device, and a wire threader. The wire threader is located between the wire feeding device and the capacitor conveying device. The device clamps and transmits the capacitor, and the capacitor pin is sent to the wire threader to be positioned and docked with the sleeve; the wire threader sleeves the sleeve on the capacitor pin and cuts the sleeve to form the foot sleeve of the capacitor pin.

The wire feeding device is driven by a motor gear set to transport the bushing material set outside the capacitor pin from the background to the casing station; the wire feeding device includes a bearing assembly, a wire feeding wheel, a wire feeding drive shaft and a motor; The wire feeding drive shaft is installed on the shaft center of the wire feeding wheel in a rotationally coordinated manner, and its end is installed in the bearing assembly and driven by a motor; the wire feeding device adopts a double-wheel wire feeding driving method to feed two casings at a time; the wire feeding wheel The casing to be casing is wound on the wire-releasing wheel; two casings are sent out from the wire-releasing wheel.

The capacitive conveying device includes a base, a motor-driven belt drive structure mounted on the base and a jig structure for clamping pins. The jig structure is conveyed by the conveyor belt; Conveyor belt for the axes; the spindle is driven by an electric motor.

The belt drive is supported on the base by the side guard plate and fixed by the belt drive fixing block; the belt drive structure also includes a pulley transmission adjustment device, which is located on the side opposite to the pulley drive main shaft and cooperates with the auxiliary shaft; The pulley transmission adjusting device includes: a belt tensioning device and a tensioning fixing screw, which can adjust the tension of the conveyor belt by cooperating with the auxiliary shaft.

The jig structure includes a jig fixing block and a clamping jig installed on the fixing block; the jig fixing block is also used as a guide rail for transmitting capacitance, and is installed on the top of the conveyor belt as a bearing surface, driven by the conveyor belt to move horizontally; the jig fixing The blocks are installed on the conveyor belt and driven synchronously by the conveyor belt; clamping grooves are set on the clamping jig, and the clamping grooves fix the capacitor pins, and the position is corrected by the adjustment blocks on the left and right sides of the clamping jig.

The capacitive delivery device also includes a photoelectric sensor; the photoelectric sensor is arranged at the threading position facing the threader for sensing whether the capacitive pin is delivered to the threader.

The wire threader includes a capacitor grabbing and positioning mechanism and a wire feeder; the capacitor grabbing and positioning mechanism includes a capacitor grabbing cylinder and a pair of capacitor grabbing claws; the capacitor grabbing claw is located at the top of the grabbing cylinder, and the capacitor grabbing hand The claws are driven by the capacitor grabbing cylinder and can move up and down vertically so as to rise or fall; the pair of grabbing claws are driven by the claw cylinder to move together or open in the horizontal direction; the pair of grabbing claws When closed, a clamp groove is formed to clamp the fixed capacitor pin.

The wire feeder includes a guide wire assembly, a sleeve assembly, and a foot casing cutting assembly located between the guide wire assembly and the sleeve assembly; the guide wire assembly includes a guide wheel set and/or a gear set driven by a motor, a pair of upper and lower Guide blocks driven by rod cylinders; along the direction of casing transmission, each casing is conveyed forward and aligned by one or more pairs of relatively rotating guide wheel sets and/or gear sets located on both sides of the casing; The bushing is forwarded to the pair of guide blocks; two semicircular holes are respectively set on the pair of guide blocks, and the upper and lower pairs of double-rod cylinders drive the guide blocks to move relative to each other to form a round hole matching the bushing; A guide wheel and/or gear set conveys the sleeve through the circular hole in the guide block and protrudes forward.

The bushing assembly includes a slide cylinder, a slider driven by the slide cylinder, a claw cylinder mounted on the slide, and a pair of claws installed on the claw cylinder; the slide cylinder is installed on the base of the slide, and the slide It is installed on the inner side of the base of the slide table and moves back and forth along the inner side to drive the gripper cylinder to move back and forth. The gripper of the gripper cylinder is provided with an arc that fits the bushing, and friction is formed between the arc and the bushing. The end of the clamping sleeve is pushed forward by the sliding table to drive the claws to the pin sleeve of the capacitor; the pair of claws are driven by the claw cylinder to close and clamp the end of the sleeve.

The foot casing cutting assembly includes a shearing cylinder, which is connected to a guide mechanism. The guide mechanism includes two guide blocks, and a pair of blades are connected to the two guide blocks; the shear cylinder drives the pair of blades to open or close the shears. Cutting; along the forward direction of the casing, the blade is located behind the claw, the claw grabs the end of the casing and inserts it into the facing capacitor pin to reach the predetermined length of the foot casing, and the blade behind the claw cuts off the casing Thereby forming a capacitive foot casing.

The beneficial effects of the utility model are:

The wire threading equipment for capacitor pins of the utility model can realize precise capacitor pin casing operation. Driven by double-wheel unwinding, two casings can be realized at one time, and the adjustment of the clamping fixture and the control of the unwinding mechanism are unified, so as to effectively realize the real-time control of the controlled object. The length of the wire feeding can be fixed, the length is accurate and consistent, the wire feeding and the capacitor foot casing can be switched flexibly, the connection is error-free, and the high-precision operation of the capacitor foot casing is realized.

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Description of drawings

Fig. 1 is a perspective view of a capacitive pin threading device according to an embodiment of the present invention.

Fig. 2 is a front view of the capacitive pin threading device according to the embodiment of the present invention.

Fig. 3 is a perspective view of the partial structure of the capacitive pin threading device according to the embodiment of the present invention.

Fig. 4 is a perspective view of the wire threader of the embodiment of the present invention.

Detailed ways

It should be noted that, in the case of no conflict, the various embodiments in the present application and the features in the embodiments can be combined with each other. The utility model will be further described in detail in conjunction with the drawings and specific embodiments below.

The capacitor automatic casing process is a station in the capacitor forming process, which is realized by the capacitor pin threading equipment 600, please refer to Figure 1-4. The capacitive pin wire threading device 600 includes a wire unwinding device 500 , a capacitive delivery device 700 , and a wire threader 100 . The wire threader 100 is located between the wire releasing device 500 and the capacitance conveying device 700, the casing 114 conveyed by the wire discharging device 500 is sleeved on the capacitor pin conveyed by the capacitor conveying device 700, and the sleeve is cut to form the capacitive pin. Foot casing.

The wire feeding device 500 is to continuously transport the casing 114 to be casing outside the capacitor pin (that is, the sent "wire") to the wire threader 100 of the capacitor pin wire threading device 600 to casing the capacitor pin operate. The capacitance delivery device 700 is used to deliver the capacitance to the wire threader 100, and clamp and position the capacitance pin 110, so as to facilitate casing operation.

Wherein, the wire feeding device 500 is driven by a motor gear set, and includes a bearing assembly 51 , a double wire feeding wheel 52 , a wire feeding driving shaft 53 and a motor 54 . There are straightening and driving functions during the wire unwinding process, which are used to transport the casing material (i.e. the hose) set outside the capacitor pins from the background to the casing station. The wire-feeding driving shaft 53 driven by the motor 54 is mounted on the shaft center of the wire-feeding wheel 52 in a rotationally fit manner, and its end is installed in the bearing assembly 51 to be driven by the motor. The wire delivery device 500 delivers the sleeve 114 serving as a pin sleeve into the wire threader 100 . The wire feeding device 500 adopts a double-wheel wire feeding driving method, and can send two hoses (sleeves) 114 at a time. The wire-releasing wheel 52 winds the casing 114 to be sleeved on the wire-releasing wheel. Two sleeve pipes 114 are sent out from the wire pay-off wheel 52 .

The capacitance delivery device 700 continuously transmits the capacitance from the guide rail to the bushing station, and realizes the corresponding positioning of the pins and the bushing. The capacitive delivery device 700 includes a base 70 , a motor-driven belt drive structure installed on the base 70 and a jig structure for clamping pins, and the jig structure is conveyed by a conveyor belt. The belt drive structure includes a pulley drive main shaft 74, a pulley drive countershaft 76 and a conveyor belt 77 connecting the two shafts. The spindle 74 is driven by a motor. The belt drive is supported on the base 70 by the side guard plate 701 and fixed by the belt drive fixing block 79 . The belt drive structure also includes a pulley transmission adjustment device 75 located on the side opposite to the pulley drive main shaft 74 and cooperating with the secondary shaft 76 . The pulley transmission adjusting device 75 includes: a belt tensioning device 751 and a tension fixing screw 752 , which can adjust the tension of the conveyor belt by cooperating with the auxiliary shaft 76 .

It should be noted that, for the convenience of understanding, the main shaft 74, the auxiliary shaft 76 and the adjustment device 75 of the motor-driven belt transmission structure of the capacitive conveying device 700 shown in Figs. , during specific implementation, the main shaft 74, the auxiliary shaft 76 and the adjustment device 75 of the motor-driven belt transmission structure are installed on the two ends of the conveyor belt 77 respectively. As an embodiment, the capacitor can also be manually installed in the clamping jig , transported by the conveyor belt 77 to the casing position for automatic casing and then continue to output, and the capacitance of the casing is collected manually. Therefore, the capacitive feeding and discharging at the two ends of the conveyor belt 77 in Fig. 1-2 are manually completed, while the capacitive conveying device 700 enters the automatic casing position and performs automatic casing. As another embodiment, the conveyor belt 77 can be set to a longer length according to actual needs, and is used to transfer capacitance between the same station and multiple stations, and the capacitance of the automatic casing station can be automatically transferred from the previous station to This station carries out casing, and after the foot casing of the capacitor pin is formed through the casing, the capacitor continues to be transferred to the next process by the conveyor belt 77. At this time, the two ends of the conveyor belt 77 in Fig. 1-2 do not show the feeding of the capacitor As for the output, it can be understood that the capacitor is transferred into this station by the vibrating plate blanking or other pre-processing stations, and is further transferred to the post-processing station after the casing is completed, and the finished capacitor is collected after the final molding is completed.

The jig structure includes a jig fixing block 73 and a clamping jig 71 installed on the fixing block 73 . The jig fixing block 73 is also used as a guide rail for transmitting capacitance, and is installed on the top of the conveyor belt 77 as a bearing surface, and is driven by the conveyor belt 77 to move horizontally. The jig fixing block 73 is installed on the conveyor belt 77 and is synchronously driven by the conveyor belt. Clamping fixture 71 is provided with clamping groove 710, and clamping groove 710 is used for fixing capacitor pin 110, and two pins 110 of a capacitor 10 are respectively fixed in a pair of adjacent fixing blocks 73, and by clamping fixture 71 The adjustment blocks on the left and right sides are used for position correction. The pins 110 of the capacitor are fixed on the fixture fixing block 73 by the clamping jig 71 , thereby fixing the capacitor 10 .

The motor 72 of the capacitor delivery device 700 drives the pulley drive main shaft 74, drives the clamping fixture 71 on the conveyor belt and the capacitor 10 to be sleeved to move, so that the capacitor pin 110 and the sleeve 114 sent out by the sleeve mechanism are unified, Realize casing work.

The relative position of the clamped pin 110 and the wire feeding device 500 achieves zero error through mechanical limit and intelligent control, and realizes precise capacitive foot casing operation.

The capacitive delivery device 700 also includes a photoelectric sensor 8 , a right jig adjustment block 77 , a left jig adjustment block 78 , a fixing screw 9 , a belt transmission upper guard plate 710 and a belt transmission limit switch 711 . The photoelectric sensor 8 is arranged at the wire threading position facing the wire threader 100 and directly in front of the casing, and is used for sensing whether the capacitive pin is transmitted to the wire threader 100 . The jig right adjustment block 77 and the jig left adjustment block 78 are used to adjust the position of the pin 110, so that the pin 110 maintains a vertical direction in the horizontal plane to dock with the casing; the screw 9 is used for fixing.

Capacitor conveying device 700 is driven by the belt transmission mechanism to drive the clamping fixture 71 arranged on the top of the belt transmission mechanism, and the capacitor wire pin 110 to be produced is placed in the clamping fixture 71 and fixed on the fixture. On the specified position of the jig 71, it is driven by the brake motor 72. Under the action of the photoelectric sensor 8, the capacitor pin 110 in the jig 71 and the casing 114 in the wire feeding device 500 are unified, and the wire threader 100 Realize casing and other operations.

Referring again to FIGS. 3-4 , the wire threader 100 includes a capacitive pick and position mechanism 30 and a wire feeder 20 . The capacitive grabbing and positioning mechanism 30 includes a capacitive grabbing cylinder 31 and a pair of capacitive grabbing claws 32 . Capacitor catches cylinder 31 and is installed on the work, is positioned at the capacitor pin below. Capacitor grabbing claws 32 are located at the top of grabbing cylinder 31, and driven by capacitor grabbing cylinder 31, they can move up and down vertically (that is, in the direction of the Z axis) to rise or fall. 33 is driven to close or open each other in the horizontal direction (X-axis direction). When the pair of grasping claws 32 are closed, a clamping groove (Y-axis) is formed in the middle, which is just clamped and fixed and transported by the capacitive delivery device 700 to Capacitor pin 110 of threader 100 . When the photoelectric sensor 8 senses that the capacitor pin 110 is transmitted to the threading position, the capacitor grabs the cylinder 31 and moves upwards while the claw cylinder 33 opens the claw 32, and the capacitor grabs the claw 32 and lifts it to the capacitor pin 110. The claw cylinder 33 drives the claws 32 to close and clamp the capacitor pin 110 in the middle clamping groove, and the end protrudes.

The wire feeder 20 includes a guide wire assembly, a sleeve assembly, and a foot sleeve cutting assembly located between the guide wire assembly and the sleeve assembly. The guide wire assembly includes a guide wheel set 21, a gear set 22 driven by a motor, a pair of upper and lower double-rod cylinders 14 and a guide block (not shown) driven by it, used to guide the casing 114 sent out by the wire feeding device 500 into the threader 100. Along the conveying direction of the casing 114 , each hose is conveyed forward and aligned in position by one or more pairs of relatively rotating guide wheel sets 21 located on both sides of the casing 114 . The guide wheel set 21 is installed on the fixed plate 23 . As shown in the figure, two pairs of guide wheel sets 21 are provided on the transmission direction of a sleeve pipe 114 to transmit the sleeve pipe 114, and the gear sets 22 are arranged on the vertical direction of the transmission direction of the sleeve pipe 114, and are located on the upper and lower sides, thereby Send the sleeve pipe 114 forward to a pair of upper and lower guide blocks (not shown) provided on the double-rod cylinder 14, wherein two semi-circular holes are provided on the guide block, when the upper and lower cylinders act together, two cylinders with the sleeve pipe are formed. A round hole with a similar outer diameter on the outer wall of the hose acts as a guide. The sleeve pipe 114 is transmitted by the guide wheel 21 and the gear set 22 and passes through the circular hole of the guide block and protrudes forward. The sleeve pipe assembly comprises a slide table cylinder 19, a slide block 18 driven by the slide table cylinder 19, a claw cylinder 15 installed on the slide block 18, a pair of claws 13 installed on the claw cylinder 15. The slide table cylinder 19 is installed on the slide table base 17 . The slide block 18 is installed on the inside of the slide base 17, and moves back and forth along the inside to drive the claw cylinder 15 to move back and forth. The claw 13 of the claw cylinder 15 is equipped with an arc similar to the sleeve pipe 114. A certain amount of friction is formed between the tubes 114, and when the slide table is pushed forward, the claws 13 are driven to the pin 114 casing of the capacitor. The sleeve pipe 114 output by the guide block circular hole of the double-rod cylinder 14 continues to be forwarded to the claw cylinder 15 place of the sleeve pipe assembly, and the claw cylinder 15 drives a pair of claws 13 together to clamp the sleeve pipe 114 end.

The foot casing cutting assembly includes a shear cylinder 11, which is connected to a guide mechanism (not shown), and the guide mechanism includes two guide blocks, which are connected to a pair of blades 115, and the shear cylinder 11 drives a pair of blades 115 Open or close cut. Along the advancing direction of the casing 114, the blade 115 is located behind the gripper 13. The gripper 13 grabs the end of the casing 114 and inserts it into the facing capacitor pin 114. A blade 115 behind the jaws 13 shears the sleeve 114 to form a capacitive pin sleeve. The specific working principle is: the capacitor is fixed by the fixture of the clamping and conveying device 700, and it runs to the position where the capacitor grabs the cylinder 31 to stop, and the capacitor grabs the claw 32 on the cylinder to grab the pin and move upward (Z axis direction), the height is consistent with the wire feeding height of the wire feeder 20, and the wire (sleeve) is fed by the wire feeder.

Capacitive foot casing cutting is a fixed-value hose (sleeve) cutting that is driven by a shearing cylinder with a blade and under the action of the blade guide mechanism. The capacitive foot casing cutting mechanism 20 is driven by the cylinder as a driving force to drive the blade and the guide mechanism of the blade to cut the casing, which has the effect of no burrs and no inclination.

The capacitive foot sleeve mechanism is driven by the slide table to drive the claw 13 to clamp the hose (sleeve) 114, and the slide table 18 moves forward. The seamless connection of the capacitor 10 realizes precise operation and effective real-time control of the control object. And it is driven by double-wheel unwinding, which can realize two-section casing at one time, and constantly detect and unify the adjustment of the clamping fixture and the control of the unwinding mechanism, so as to effectively realize real-time control of the control object. The length of the wire feeding can be fixed, the length is accurate and consistent, the wire feeding and the capacitor foot casing can be switched smartly, and there is no error in the docking. Foot casing for high precision operation.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacement and modification, the protection scope of the present utility model is defined by the appended claims and their equivalent scope.

Claims (10)

1. A wire threading device for capacitor pins, comprising a wire releasing device, a capacitor conveying device, and a wire threader, characterized in that: the wire threader is located between the wire releasing device and the capacitor conveying device, and the casing is conveyed to the The wire threader, the capacitor conveying device clamps and transmits the capacitor, and the capacitor pin is sent to the wire threader to be positioned and docked with the sleeve; the wire threader sets the sleeve on the capacitor pin and cuts the sleeve to form the capacitor pin Foot casing. 2. The wire threading equipment for capacitor pins according to claim 1, characterized in that: the wire unwinding device is driven by a motor gear set to transport the casing material sleeved outside the capacitor pins from the background to the casing station The wire feeding device includes a bearing assembly, a wire feeding wheel, a wire feeding drive shaft and a motor; the wire feeding drive shaft is mounted on the axis of the wire feeding wheel in a rotationally fit manner, and its end is installed in the bearing assembly and driven by the motor; The wire feeding device adopts a double-wheel wire feeding driving method to feed two casings at a time; the wire feeding wheel winds the casing to be sleeved on the wire feeding wheel; two casings are sent out from the wire feeding wheel. 3. The wire threading equipment for capacitor pins as claimed in claim 1, characterized in that: the capacitor delivery device comprises a base, a motor drive belt drive structure installed on the base and a jig structure for clamping the pins, the jig structure consists of Conveyor belt transmission; the belt drive structure includes a pulley drive main shaft, a pulley drive sub-shaft and a conveyor belt connecting the two shafts; the main shaft is driven by a motor. 4. The wire threading device for capacitor pins as claimed in claim 3, characterized in that: the belt drive is supported on the base by the side guard plate and fixed by the belt drive fixing block; the belt drive structure also includes a pulley transmission adjustment device, the belt drive The wheel transmission adjustment device is located on the side opposite to the pulley drive main shaft and cooperates with the auxiliary shaft; the pulley transmission adjustment device includes: a belt tensioning device and a tension fixing screw, and adjusts the tension of the conveyor belt by cooperating with the auxiliary shaft. 5. The wire threading device for capacitor pins as claimed in claim 3, characterized in that: the jig structure includes a jig fixing block and a clamping jig installed on the fixing block; The guide rail is installed on the top of the conveyor belt as a bearing surface and is driven by the conveyor belt to move horizontally; the fixture fixing block is installed on the conveyor belt and driven synchronously by the conveyor belt; the clamping fixture is provided with a clamping groove, which fixes the capacitor pin and is held by the clamping fixture. The adjustment blocks on the left and right sides of the jig perform position correction. 6. The wire threading device for capacitive pins as claimed in claim 3, characterized in that: the capacitive conveying device also includes a photoelectric sensor; Transfer to threader. 7. The capacitive wire threading device according to any one of claims 1-6, characterized in that: the threader includes a capacitive grabbing and positioning mechanism and a wire feeder; the capacitive grabbing and positioning mechanism includes a capacitive grabbing Cylinder and a pair of capacitor grabbing claws; the capacitor grabbing claws are located at the top of the grabbing cylinder, and the capacitor grabbing claws are driven by the capacitor grabbing cylinder to move up and down vertically so as to rise or fall; the pair of grabbing claws The lifting claw is driven by the claw cylinder to close or open in the horizontal direction; when the pair of lifting claws are closed, a clamping groove is formed to clamp the fixed capacitor pin. 8. The capacitive pin wire threading device as claimed in claim 7, wherein the wire feeder includes a guide wire assembly, a sleeve assembly and a foot sleeve cutting assembly between the guide wire assembly and the sleeve assembly; The wire assembly includes a guide wheel set and/or a gear set driven by a motor, a pair of upper and lower guide blocks driven by a double-rod cylinder; along the direction of casing transmission, each casing is composed of one or more pairs of relatively rotating guide wheel sets And/or the gear set is located on both sides of the casing to transmit the casing forward and guide the alignment; the casing is transmitted forward to the pair of guide blocks; two semicircular holes are respectively set on the pair of guide blocks, up and down A pair of double-rod cylinders drive the guide blocks to move relative to each other to form a round hole matching the sleeve; the guide wheels and/or gear sets transmit the sleeve through the round hole of the guide block and protrude forward. 9. The capacitive pin wire threading device as claimed in claim 8, characterized in that: the bushing assembly comprises a slide table cylinder, a slide block driven by the slide table cylinder, a claw cylinder mounted on the slide block, and a claw A pair of claws installed on the cylinder; the slide cylinder is installed on the slide base, the slider is installed on the inside of the slide base and moves back and forth along the inside to drive the claw cylinder to move back and forth, and the claw of the claw cylinder is set There is a circular arc adapted to the casing, and friction is formed between the circular arc and the casing to clamp the end of the casing, and the sliding table is pushed forward to drive the gripper to the pin casing of the capacitor; driven by the claw cylinder The pair of paws are closed to clamp the end of the cannula. 10. The wire threading device for capacitor pins as claimed in claim 8, characterized in that: the foot sleeve cutting assembly includes a shearing cylinder connected to the guide mechanism, the guide mechanism includes two guide blocks, on the two guide blocks Connect a pair of blades; the cutting cylinder drives the pair of blades to open or close to cut; along the direction of casing advancement, the blade is located behind the claw, and the claw grabs the end of the casing and inserts it into the facing capacitor lead After the predetermined length of the foot sleeve is reached on the foot, the blade positioned at the rear of the claw cuts the sleeve to form a capacitive foot sleeve.