A square copper wire cutting device

Abstract

The present invention belongs to the field of manufacturing electrical connector pins, specifically a square copper wire cutting device. It includes a cutting component, which includes a fixed shaft block, a rotating shaft block rotatably connected to one end of the fixed shaft block, and the fixed shaft block is fitted with one side of the rotating shaft block; the fixed shaft block is provided with a first square material channel; the rotating shaft block is provided with a second square material channel corresponding to the first square material channel, and optical fiber sensors are provided on both sides of the second square material channel; a limit plate is installed on one side wall of the fixed shaft block, and a material length limit block is fixed on the limit plate, and the material length limit block covers the second square material channel, and an air pipe nozzle is provided on the other side wall of the fixed shaft block; a discharge mechanism is provided on one side of the first square material channel, and a feeding mechanism is provided above the discharge mechanism. The copper wire is fed into the cutting station through the feeding mechanism, and then the sensor is used to identify whether it is in place, and the finished product after cutting is blown into the collection box by the air pipe nozzle. The workload of the operator is greatly reduced, and the production speed and accuracy of the equipment are significantly improved.

Description

Technical Field

[0001] The invention belongs to the field of electric connector product part pin manufacturing equipment, in particular to a square copper wire cutting device. Background Art

[0002] At present, the method of making square copper wire into square pins is to manually cut the copper wire of about one meter into sections, using the scissors-type principle. There are two strip metal block tools rotating through a fixed axis. Each metal block has a square material channel. The square copper wire is manually fed into the square material channel, and then one metal block is manually rotated and the other is fixed. The copper wire is cut by the relative motion principle of the two tools. The original manual method relies entirely on manual labor and is slow. Due to the large demand for products and heavy market production tasks, the production progress is seriously affected. In order to improve this detection situation, this new equipment was invented. Summary of the invention

[0003] In order to solve the above problems, the present application provides a square copper wire cutting device.

[0004] The technical solution adopted in this application is:

[0005] A square copper wire cutting device comprises a cutting assembly, wherein the cutting assembly comprises a fixed shaft block and a rotating shaft block rotatably connected to one end of the fixed shaft block, wherein the fixed shaft block is in contact with one side of the rotating shaft block; the fixed shaft block is provided with a first square material channel;

[0006] A second square material channel corresponding to the first square material channel is provided on the rotating shaft block, and optical fiber sensors are provided on both sides of the second square material channel;

[0007] A limit plate is installed on one side wall of the fixed shaft block, a material length limit block is fixed on the limit plate, the material length limit block covers the second square material channel and leaves a gap with the rotating shaft block; an air pipe nozzle is provided on the other side wall of the fixed shaft block;

[0008] The other end of the rotating shaft block is rotatably connected to the cutting cylinder. After the optical fiber sensor detects the square copper wire, the cutting cylinder drives the rotating shaft block to rotate relative to the fixed shaft block to cut the square copper wire, and the air pipe nozzle blows out the square copper wire in the second square material channel; the cutting cylinder sends the rotating shaft block back, and the rotating shaft block abuts against the limit plate, so that the material openings of the first square material channel and the second square material channel correspond to each other;

[0009] A discharge mechanism is provided on one side of the first square material channel for feeding, and a feeding mechanism is provided above the discharge mechanism for feeding the square copper wire on the discharge mechanism into the first square material channel and the second square material channel.

[0010] Furthermore, the optical fiber sensor is installed on a sensor fixing bracket, and the sensor fixing bracket is installed on an adjustment bracket through a first waist-shaped hole, and a second waist-shaped hole is provided on a rotating shaft block at the bottom of the adjustment bracket; the adjustment bracket is fixedly connected to the side wall of the rotating shaft block.

[0011] Furthermore, the adjustment bracket is provided with a waist hole, and the screw passes through the waist hole and is connected with the side wall of the fixed shaft block.

[0012] Furthermore, the limiting plate is provided with a threaded through hole, and the stud passes through the threaded through hole and abuts against the side wall of the rotating shaft block;

[0013] The material length limiting block is provided with a third waist-shaped hole, and a screw passes through the third waist-shaped hole to fix the material length limiting block on the limiting plate.

[0014] Furthermore, the material discharging mechanism comprises a mobile chassis, a material row is installed on one side of the mobile chassis, and two copper wire limiting blocks arranged at intervals in the longitudinal direction are arranged on the other side of the mobile chassis; a plurality of longitudinally arranged round rods are arranged between the copper wire limiting blocks, and both ends of the round rods are installed on the side rails on both sides;

[0015] The material row is provided with a plurality of material channels in parallel, and a groove is provided on the upper surface of the material row so that the upper part of the square copper wire protrudes from the horizontal plane of the groove;

[0016] The mobile chassis is installed on the longitudinal slide rail, and the mobile chassis is driven to move longitudinally by the driving motor.

[0017] Furthermore, the bottom of the material row is fixed on the movable chassis through a material row bracket and a fixed bracket.

[0018] Furthermore, the material row bracket is provided with a fourth waist-shaped hole, the fixing bracket is fixedly connected to the fourth waist-shaped hole by a screw, and the height of the material row is adjusted by the connection position of the fixing bracket and the fourth waist-shaped hole;

[0019] The copper wire limiting block is installed on the support plate, and the two transverse ends of the side rails are connected to the support plate; the support plate is installed on the mobile chassis through a connecting bracket.

[0020] Furthermore, the feeding mechanism comprises a motor, the output shaft of the motor is provided with a driving wheel, a rotating shaft, the rotating shaft is provided with a driven wheel, and the driving wheel drives the driven wheel to rotate through a belt;

[0021] A rubber roller is provided on the rotating shaft, and a first sheath is provided on the rotating shaft 5-4 on both sides of the rubber roller, and the upper end of the first sheath is fixed to the base;

[0022] A second sheath is provided on the rotating shaft outside the driven wheel, and the upper end of the second sheath is fixed to the base through a connecting block 5-6;

[0023] The upper end of the base is connected to the cylinder, and the cylinder drives the base to move, so that the rubber roller contacts or separates from the square copper wire on the material row.

[0024] Further, the first sleeve is mounted on the rotating shaft through a first bearing;

[0025] The second sleeve is installed on the rotating shaft through a second bearing.

[0026] Furthermore, the motor is mounted on a fixed seat, a bracket with a top wheel is provided below the motor, the top wheel contacts the belt, the bracket is connected to the side plate at one end away from the top wheel, and the bracket is connected to the side plate at one end close to the top wheel through a spring.

[0027] Compared with the prior art, the present invention has the following beneficial effects: the device of the present application can automatically feed multiple copper wires at the same time, and the motor drives the rubber roller to send the copper wires to the cutting station, and then the optical fiber sensor identifies whether they are in place, and the finished product after cutting is blown into the collection box by the air pipe nozzle. The operation of the device greatly reduces the workload of the operator, and the production speed and accuracy of the device are significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the overall structure of the square copper wire cutting equipment;

[0029] Figure 2-Figure 6 It is a schematic diagram of the structure of the cutting component;

[0030] Figure 7 and Figure 8 is a cut-off assembly side view;

[0031] Figure 9-11 It is a structural schematic diagram of the unloading mechanism;

[0032] Fig.12 and Fig.13 It is a structural schematic diagram of the feeding mechanism;

[0033] Fig.14 This is a partial enlarged view of the square copper wire cutting equipment;

[0034] In the figure: cutting station assembly 1, fixed shaft block 1-1, rotating shaft block 1-2, adjustment bracket 1-3, sensor fixing bracket 1-4, optical fiber sensor 1-5, first square material channel 1-6, second square material channel 1-7, waist hole 1-8, first waist-shaped hole 1-9, second waist-shaped hole 1-10, limit plate 2, material length limit block 2-1, threaded through hole 2-2, third waist-shaped hole 2-3, air pipe nozzle 3, nozzle bracket 3-1, material discharge mechanism 4, material row 4-1, material row bracket 4-2, fixed bracket 4-3, connecting bracket 4-4, mobile chassis 4-5, copper wire limit block 4-6, side Fence 4-7, support plate 4-8, round rod 4-9, groove 4-10, longitudinal slide rail 4-11, drive motor 4-12, material channel 4-13, fourth waist-shaped hole 4-14, feeding mechanism 5, motor 5-1, first sleeve 5-2, rubber roller 5-3, rotating shaft 5-4, base 5-5, connecting block 5-6, first bearing 5-7, second sleeve 5-8, driving wheel 5-9, driven wheel 5-10, second bearing 5-11, belt 5-12, cylinder 5-13, top wheel 5-14, bracket 5-15, side plate 5-16, spring 5-17, fixed seat 6, cutting cylinder 7. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Reference Figures 1 to 8 As shown, a square copper wire cutting device comprises a cutting assembly 1; a fixed shaft block 1-1 and a rotating shaft block 1-2 of the cutting assembly 1 are matched through a base hole system and one side is attached to the wall, and the rotating shaft block 1-2 can rotate relative to the fixed shaft block 1-1. Specifically, a protruding column is provided on the upper end of the fixed shaft block 1-1, and a through hole matching the column is provided on the rotating shaft block 1-2. After being sleeved together, the rotating shaft block 1-2 rotates around the protruding column;

[0037] The fixed shaft block 1-1 is provided with a first square material channel 1-6; the rotating shaft block is provided with a second square material channel 1-7 corresponding to the first square material channel 1-6, and the square copper wire can enter through the first square material channel 1-6 and the second square material channel 1-7 in sequence; optical fiber sensors 1-5 are provided on both sides of the discharge port of the second square material channel 1-7;

[0038] A limit plate 2 is installed on one side wall of the fixed shaft block 1-1, and an air pipe nozzle 3 is installed on the other side wall of the fixed shaft block 1-1; the fixed rotating shaft 1-1 is fixed to the limit plate 2 by screws, and a threaded through hole 2-2 is provided on the limit plate 2. The screw or stud passes through the threaded through hole 2-2 and contacts the rotating shaft block 1-2, so as to limit the rotating shaft block 1-2 laterally;

[0039] A material length limit block 2-1 is fixed on the limit plate 2, and the material length limit block 2-1 covers the 1-7 discharge port of the second square material channel, and leaves a 0.1mm gap between the rotating shaft block 1-2; the optical fiber sensor 1-5 can detect the presence or absence of an object between the rotating shaft block 1-2 and the material length limit block 2-1 through the 0.1mm gap;

[0040] A discharge mechanism 4 is provided on the feeding side of the first square material channel 1-6, and a feeding mechanism 5 is provided above the discharge mechanism 4. The feeding mechanism 5 feeds the square copper wire on the discharge mechanism 4 into the first square material channel 1-6 and the second square material channel 1-7;

[0041] The other end of the rotating shaft block 1-2 is rotatably connected to the cutting cylinder 7. When the square copper wire passes through the first square material channel 1-7 of the fixed rotating shaft 1-1 and passes through the second square material channel 1-7 of the rotating shaft block 1-2, the copper wire hits the material length limit block 2-1. After the optical fiber sensor 1-5 detects the square copper wire, the cutting cylinder 7 receives the signal and acts through the signal transmission of the optical fiber sensor 1-5. When the cutting cylinder 7 pulls the rotating shaft block 1-2, the fixed shaft block 1-1 remains fixed, and the square copper wire in the second square material channel 1-7 can be cut along the sliding surface between the fixed shaft block 1-1 and the rotating shaft block 1-2. The copper wire remaining in the rotating shaft block 1-2 material channel is the desired product; the air pipe nozzle 3 corresponds to the position of the second square material channel 1-7 after the square copper wire is cut, and the square copper wire is blown out. The optical fiber proximity position sensor used has a very small control range, which meets the drawing tolerance requirements of the pin after cutting and ensures the dimensional accuracy after cutting.

[0042] Furthermore, the adjustment bracket 1-3 is fixed by screws through the waist hole 1-8 and the screw hole on the side wall of the rotating shaft block 1-2, and the waist hole 1-8 facilitates the adjustment of the position of the adjustment bracket 1-3;

[0043] The sensor fixing frame 1-4 is fixed with the screw hole of the movable adjustment bracket 1-3 through the first waist-shaped hole 1-9 set thereon, and a second waist-shaped hole 1-10 is set on the rotating shaft block 1-2 at the bottom of the adjustment bracket 1-3 to facilitate the adjustment of the position of the adjustment bracket 1-3 and the sensor fixing frame 1-4; the optical fiber sensor 1-5 is fixed to the sensor fixing frame 1-4 by screws.

[0044] Furthermore, a third waist-shaped hole 2-3 is provided on the material length limit block 2-1, and a groove matching with the material length limit block 2-1 is provided on the limit plate 2. The screw passes through the third waist-shaped hole 2-3 to fix the material length limit block 2-1 on the limit plate 2, which is used to adjust the gap between the material length limit block 2-1 and the rotating shaft block 1-2.

[0045] Furthermore, the air pipe nozzle 3 is fixed on the fixed shaft block 1-1 through the nozzle bracket 3-1, and the air pipe nozzle 3-1 is fixed on the nozzle bracket 3-1 through screws. When the rotating shaft block 1-2 rotates to a certain angle to cut off the copper wire, the air pipe nozzle 3-1 can use the gas provided by the gas source to blow the cut copper wire out from the second square material channel of the rotating shaft block 1-2, blow it to the front to drop the material, and place a collection box in front.

[0046] Further, refer to Figure 9-11 The material discharge mechanism 4 includes a mobile chassis 4-5, a material row 4-1 is installed on one side of the mobile chassis 4-5 which is horizontally close to the cutting component 1, and two copper wire limiting blocks 4-6 arranged longitudinally and spaced apart are arranged on the other side; the copper wire limiting blocks 4-6 are provided with placement grooves corresponding to the material row 4-1; a plurality of longitudinally arranged round rods 4-9 are arranged between the copper wire limiting blocks 4-6, and both ends of the round rods 4-9 are installed on the side rails 4-7 on both sides;

[0047] The material row 4-1 is provided with a plurality of material channels 4-13 in parallel, and a groove 4-10 is provided on the upper surface of the material row 4-1 so that the upper part of the square copper wire protrudes from the horizontal plane of the groove 4-10.

[0048] Furthermore, the material row 4-1 is fixed on the mobile chassis 4-5 through the material row bracket 4-2 and the fixed bracket 4-3. The lower end of the material row bracket 4-2 is provided with a fourth waist-shaped hole 4-14 for fixing with the fixed bracket 4-3 by screws. The height of the material row 4-1 is adjusted by the connection position of the fixed bracket 4-3 and the fourth waist-shaped hole 4-14.

[0049] The copper wire limiting block 4-6 and the support plate 4-8 are fixed to the connecting bracket 4-4 by screws, and the bracket 4-4 is fixed to the moving chassis 4-5 by screws.

[0050] The two ends of the side fence 4-7 are fixed to the support plate 4-8 by screws. There are multiple round holes in the middle of the side fence 4-7. Round rods 4-9 are placed through the multiple round holes in the middle of the two side fences 4-7. The material row 4-1 can hold 8 copper wires at the same time. Since the material is long, one end of the copper wire is passed through the material channel of the material row 4-1, and the tail end can be placed on the round rod 4-9 between the two side fences 4-7 in the rear row, which can prevent the material from falling due to excessive length. The end faces of the groove 4-10 of the material row 4-1 are chamfered on both sides to facilitate manual initial material discharge. The depth of the middle material channel is less than the width of the copper wire, which is equivalent to half of the cross section of the copper wire being higher than the horizontal plane of the groove when the copper wire is in the middle section of the material channel, which is used for feeding of the feeding mechanism 5. When a copper wire is almost used up, the sensor will recognize that the material is almost used up, and the robot will extract the remaining tailings and then cut off the next copper wire;

[0051] The movable chassis 4-5 is integrally mounted on the longitudinal slide rail 4-11 and can be longitudinally moved by the driving motor 4-12. All the inlets of the material channels 4-13 of the material row 4-1 can be longitudinally moved to overlap with the feed port of the first square material channel 1-6 of the fixed shaft block 1-1.

[0052] Further, refer to Figure 12-14 The feeding mechanism 5 includes a motor 5-1, a driving wheel 5-9 is provided on the output shaft of the motor 5-1, a rotating shaft 5-4, a driven wheel 5-10 is provided on the rotating shaft 5-4, the diameter of the driving wheel 5-9 is larger than the diameter of the driven wheel 5-10, and the driving wheel 5-9 drives the driven wheel 5-10 to rotate through a belt 5-12;

[0053] A rubber roller 5-3 is provided on the rotating shaft 5-4, and the rubber roller 5-3 is driven to rotate by the rotating shaft 5-4. A first sleeve 5-2 is provided on the rotating shaft 5-4 on both sides of the rubber roller 5-3. The first sleeve 5-2 is assembled through a first bearing 5-7 and installed on the rotating shaft 5-4. The upper end of the first sleeve 5-2 is fixed to the base 5-5.

[0054] A second sleeve 5-8 is provided on the rotating shaft 5-4 outside the driven wheel 5-10. The second sleeve 5-8 is assembled with the second bearing 5-11 and installed on the rotating shaft 5-4. The upper end of the second sleeve 5-8 is fixed to the base 5-5 through a connecting block 5-6.

[0055] The upper end of the base 5-5 is connected to the cylinder 5-13, and the cylinder 5-13 drives the base 5-5 to move up and down, so that the rubber roller 5-3 contacts the square copper wire on the material row 4-1, and drives the square copper wire to enter the first square material channel and the second square material channel. When switching the square copper wire of the material row 4-1, the cylinder 5-13 drives the base 5-5 to move up, and then moves downward after the discharge mechanism 4 is in place.

[0056] Furthermore, the motor 5-1 is mounted on the fixed seat 6, and a bracket 5-15 with a top wheel 5-14 is provided below the motor 5-1, the top wheel 5-14 is in contact with the belt 5-12, the bracket 5-15 is connected to the side plate 5-16 at one end away from the top wheel 5-14, and the bracket 5-15 is connected to the side plate 5-16 at one end close to the top wheel 1-14 through a spring 5-17; the bracket 5-15, the spring 5-17 and the side plate 5-16 form a triangular structure, and the spring 5-17 is connected to the side plate 5-16. The connection end of the spring 5-17 and the side plate 5-16 is higher than the top wheel 1-14; when feeding, the motor 5-1 rotates clockwise, and the belt 5-12 exerts an oblique downward force on the top wheel 5-14. When the cylinder 5-13 moves upward, the belt 5-12 becomes loose, and the elastic force of the spring 5-17 drives the bracket 5-15 to move upward. The top wheel 5-14 supports the belt 5-12 and sags upward to prevent the belt 5-12 from slipping, which can inhibit the loosening of the belt 5-12. In actual use, the cylinder 5-13, the fixed seat 6 and the fixed shaft block 1-1 are connected together to ensure the stability of the equipment operation.

[0057] The principles and implementation methods of the present invention are described in this article using specific examples. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A square copper wire cutting device, characterized in that: It comprises a cutting assembly, the cutting assembly comprises a fixed shaft block, a rotating shaft block rotatably connected to one end of the fixed shaft block, the fixed shaft block is fitted with one side of the rotating shaft block; the fixed shaft block is provided with a first square material channel; A second square material channel corresponding to the first square material channel is provided on the rotating shaft block, and an optical fiber sensor is provided on the side of the second square material channel; A limit plate is installed on one side wall of the fixed shaft block, a material length limit block is fixed on the limit plate, the material length limit block covers the second square material channel and leaves a gap with the rotating shaft block; an air pipe nozzle is provided on the other side wall of the fixed shaft block; The other end of the rotating shaft block is rotatably connected to the cutting cylinder. After the optical fiber sensor detects the square copper wire, the cutting cylinder drives the rotating shaft block to rotate relative to the fixed shaft block to cut the square copper wire, and the air pipe nozzle blows out the square copper wire in the second square material channel; the cutting cylinder sends the rotating shaft block back, and the rotating shaft block abuts against the limit plate, so that the material openings of the first square material channel and the second square material channel correspond to each other; A discharge mechanism is provided on one side of the first square material channel, and a feeding mechanism is provided above the discharge mechanism, and the feeding mechanism feeds the square copper wire on the discharge mechanism into the first square material channel and the second square material channel; The optical fiber sensor is mounted on a sensor fixing bracket, and the sensor fixing bracket is mounted on an adjustment bracket through a first waist-shaped hole, and a second waist-shaped hole is provided on a rotating shaft block at the bottom of the adjustment bracket; the adjustment bracket is fixedly connected to a side wall of the rotating shaft block; The adjusting bracket is provided with a waist hole, and the screw passes through the waist hole and is connected with the side wall of the fixed shaft block; The limit plate is provided with a threaded through hole, through which a screw or stud passes to abut against the side wall of the rotating shaft block; The material length limiting block is provided with a third waist-shaped hole, and a screw passes through the third waist-shaped hole to fix the material length limiting block on the limiting plate.

2. The square copper wire cutting device according to claim 1 is characterized in that: The material discharging mechanism comprises a mobile chassis, a material row is installed on one side of the mobile chassis, and two copper wire limiting blocks arranged at intervals in the longitudinal direction are arranged on the other side of the mobile chassis; a plurality of longitudinally arranged round bars are arranged between the copper wire limiting blocks, and the two ends of the round bars are installed on the side rails on both sides; The material row is provided with a plurality of material channels in parallel, and a groove is provided on the upper surface of the material row so that the upper part of the square copper wire protrudes from the horizontal plane of the groove; The mobile chassis is installed on the longitudinal slide rail, and the mobile chassis is driven to move longitudinally by the driving motor.

3. The square copper wire cutting device according to claim 2 is characterized in that: The bottom of the material row is fixed on the movable chassis through a material row bracket and a fixed bracket.

4. The square copper wire cutting device according to claim 3 is characterized in that: The material row bracket is provided with a fourth waist-shaped hole, and the fixing bracket is fixedly connected to the fourth waist-shaped hole by screws, and the height of the material row is adjusted by the connection position of the fixing bracket and the fourth waist-shaped hole; The copper wire limiting block is installed on a fixed support plate, and the two transverse ends of the side rail are connected to the support plate; the support plate is installed on the mobile chassis through a connecting bracket.

5. The square copper wire cutting device according to claim 1, characterized in that: The feeding mechanism comprises a motor, and a driving wheel is arranged on the output shaft of the motor. A rotating shaft, on which a driven wheel is arranged, and the driving wheel drives the driven wheel to rotate through a belt; A rubber roller is arranged on the rotating shaft, and a first sheath is arranged on the rotating shaft on both sides of the rubber roller, and the upper end of the first sheath is fixed to the base; A second sleeve is provided on the rotating shaft outside the driven wheel, and the upper end of the second sleeve is fixed to the base through a connecting block; The upper end of the base is connected to the cylinder, and the cylinder drives the base to move, so that the rubber roller contacts or separates from the square copper wire on the material row.

6. The square copper wire cutting device according to claim 5, characterized in that: The first sleeve is mounted on the rotating shaft through a first bearing; The second sleeve is mounted on the rotating shaft through a second bearing.

7. The square copper wire cutting device according to claim 5, characterized in that: The motor is mounted on a fixed seat, a bracket with a top wheel is provided below the motor, the top wheel contacts the belt, one end of the bracket away from the top wheel is connected to the side plate, and one end of the bracket close to the top wheel is connected to the side plate through a spring.

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