Automatic pin cutting device for piezoresistor

Abstract

The utility model relates to the field of piezoresistor production, in particular to an automatic pin cutting device for a piezoresistor. The utility model provides the automatic pin cutting device for the piezoresistor, which can cut a plurality of pins of the piezoresistor and roll and recycle the cut pins at the same time, so that manual intervention is reduced, continuous operation is realized, and the production efficiency is improved. An automatic pin cutting device for a piezoresistor comprises an unwinding drum, a supporting frame and the like, and the upper right portion of the supporting frame is rotationally and detachably connected with the unwinding drum. According to the utility model, the air cylinder is started to drive the blade to move downwards, the blade is used for cutting the pin on the resistor, and the second motor is started to drive the pin winding drum to rotate, so that the adhesive film is wound on the pin winding drum, and the cut pins can be wound and recycled while the pins of a plurality of piezoresistors are cut; manual intervention is reduced, continuous operation is achieved, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of piezoresistor production, especially to a piezoresistor automatic pin cutting device. BACKGROUND

[0002] The piezoresistor is a kind of special electronic component, mainly used for protecting circuit from overvoltage and transient voltage surge, it can present high impedance state under normal working voltage based on its unique voltage-current characteristic, and quickly change into low impedance state when encountering voltage surge, thereby absorbing or shunting excess energy, and protecting other components in the circuit from being damaged.

[0003] The existing piezoresistor automatic pin cutting device is usually switched by rotating disc rotation piezoresistor, and then the cutting device is aligned to cut the pin, but since this way can only process one piezoresistor at a time, the efficiency is low, and a large number of waste pins are scattered in the production site, which is not convenient for centralized collection of pins, and subsequent manual processing is required, which consumes manpower.

[0004] Therefore, it is necessary to design a piezoresistor automatic pin cutting device that can cut multiple piezoresistor pins while winding and recycling the cut pins, reduce manual intervention, realize continuous operation and improve production efficiency. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings of the existing piezoresistor automatic pin cutting device, which can only process one piezoresistor at a time, low efficiency, and a large number of waste pins scattered in the production site, which is not convenient for centralized collection of pins, and subsequent manual processing is required, which consumes manpower, the utility model provides a piezoresistor automatic pin cutting device that can cut multiple piezoresistor pins while winding and recycling the cut pins, reduce manual intervention, realize continuous operation and improve production efficiency.

[0006] The technical scheme is as follows: An automatic pin cutting device for a pressure sensitive resistor comprises a pay-off drum, a first motor, a support frame, a resistor, a carrier tape, a limiting vertical plate, a presenting plate, a winding frame, a pin cutting assembly and a winding assembly, the pay-off drum is detachably connected to the upper right part of the support frame, the first motor is connected to the front sides of the left and right parts of the support frame, the winding frame is detachably connected to the upper left part of the support frame, the winding drum is rotatably arranged on the winding frame, the winding drum and the pay-off drum are detachably connected to the output shafts of the first motors adjacent thereto, the carrier tape is wound between the pay-off drum and the winding drum, the resistors are placed on the upper side of the carrier tape, the limiting vertical plate is connected to the front and rear sides of the right part of the support frame, the presenting plate is connected to the middle upper part of the support frame, the carrier tape is in contact with the presenting plate, the pin cutting assembly capable of automatically cutting the pins of the pressure sensitive resistor is arranged on the upper part of the support frame, and the winding assembly capable of winding and recycling the cut pins is arranged on the support frame.

[0007] Optionally, the pin cutting assembly comprises a laser sensor, a cylinder and a blade, the laser sensor is connected to the middle upper part of the support frame, the laser sensor is located above the presenting plate, the cylinder is connected to the upper side of the middle part of the support frame, and the blade is connected to the extension end of the cylinder.

[0008] Optionally, the device further comprises auxiliary rollers, the auxiliary rollers are rotatably connected to the upper left part of the support frame, and the winding frame is located to the left of the auxiliary rollers.

[0009] Optionally, the device further comprises a winding assembly, the winding assembly comprises a sticky film, a pin winding drum and a second motor, the pin winding drum is detachably connected to the upper left part of the support frame, the pin winding drum is located to the upper right of the winding frame, the sticky film is wound on the pin winding drum, the resistors are attached to the sticky film, the auxiliary rollers are in contact with the sticky film, the second motor is connected to the front side of the upper left part of the support frame, and the output shaft of the second motor is detachably connected to the pin winding drum.

[0010] Optionally, the device further comprises a scraper and a torsion spring, the scraper is rotatably connected to the left part of the winding frame, the torsion spring is connected between the scraper and the winding frame, and the scraper is in contact with the carrier tape.

[0011] Optionally, the device further comprises a finished product collecting box, and the finished product collecting box is placed on the lower left part of the support frame.

[0012] The device has the following beneficial effects: 1. The device is started by the cylinder, the blade is driven to move downwards, the pins on the resistor are cut by the blade, the second motor is started, the pin winding drum is driven to rotate, the sticky film is wound on the pin winding drum, the pins of multiple pressure sensitive resistors can be cut at the same time, the cut pins can be wound and recycled, manual intervention is reduced, continuous operation is realized, and the production efficiency is improved.

[0013] 2. This utility model uses a scraper to scrape the resistors onto the finished product collection box. As more and more carrier tape is wound on the winding drum, the torsion spring will gradually deform, achieving the effect of scraping off the finished resistors, making it easier to collect the finished resistors and preventing them from sticking to the carrier tape. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Figure 2 This is a three-dimensional structural diagram of the components of this utility model, such as the lead winding drum and the second motor.

[0016] Figure 3 This is a three-dimensional structural diagram of the torsion spring and finished product collection box of this utility model.

[0017] Figure 4 This is a structural diagram of the limiting plate and connecting plate of this utility model.

[0018] Figure 5 This is a three-dimensional structural diagram of the resistor and carrier tape components of this utility model.

[0019] Explanation of reference numerals in the attached drawings: 1: Unwinding drum, 2: First motor, 3: Support frame, 4: Adhesive film, 5: Resistor, 6: Carrier belt, 7: Limiting plate, 8: Forming plate, 9: Auxiliary roller, 10: Laser sensor, 11: Cylinder, 12: Blade, 13: Lead winding drum, 14: Second motor, 15: Winding frame, 16: Scraper, 17: Torsion spring, 18: Finished product collection box. Detailed Implementation

[0020] The following description is only a preferred embodiment of the present invention and does not limit the scope of protection of the present invention.

[0021] An automatic lead-cutting device for a varistor, such as Figures 1-5 As shown, the system includes an unwinding drum 1, a first motor 2, a support frame 3, resistors 5, a carrying belt 6, a limiting plate 7, a connecting plate 8, a winding frame 15, a cutting assembly, and a winding assembly. The unwinding drum 1 is rotatably and detachably connected to the upper right part of the support frame 3. The first motor 2 is connected to the front sides of both the left and right sides of the support frame 3. The winding frame 15 is detachably connected to the upper left part of the support frame 3. A winding drum is rotatably mounted on the winding frame 15. Both the winding drum and the unwinding drum 1 are detachably connected to the output shaft of the adjacent first motor 2. The carrying belt 6 is wound between the unwinding drum 1 and the winding drum. Multiple resistors 5 are placed on the upper side of the carrying belt 6. The limiting plates 7 are connected to the front and rear sides of the right side of the support frame 3. The connecting plate 8 is connected to the upper middle part of the support frame 3. The carrying belt 6 is in contact with the connecting plate 8. The cutting assembly is located on the upper part of the support frame 3. The winding assembly is located on the support frame 3.

[0022] As Figure 1 and Figure 4 shown, the cutting foot assembly includes a laser sensor 10, a cylinder 11 and a blade 12, the upper part of the support frame 3 is connected with the laser sensor 10, the upper part of the support frame 3 is above the connecting plate 8, the upper side of the middle part of the support frame 3 is connected with the cylinder 11, and the blade 12 is connected on the telescopic end of the cylinder 11.

[0023] As Figure 1 shown, it also includes an auxiliary roller 9, the upper left part of the support frame 3 is rotatably connected with two auxiliary rollers 9, the winding frame 15 is located left of the auxiliary roller 9, and the auxiliary roller 9 is also rotatably connected between the limiting vertical plates 7.

[0024] As Figure 1 , Figure 2 , Figure 4 and Figure 5 shown, it also includes a winding assembly, the winding assembly includes a sticking film 4, a pin winding drum 13 and a second motor 14, the upper left part of the support frame 3 is rotatably and detachably connected with the pin winding drum 13, the pin winding drum 13 is located right above the winding frame 15, the sticking film 4 is wound on the pin winding drum 13, the resistors 5 are all pasted on the sticking film 4, the auxiliary rollers 9 all contact with the sticking film 4, the upper left part of the support frame 3 is connected with the second motor 14, and the output shaft of the second motor 14 is detachably connected with the pin winding drum 13.

[0025] As Figures 2-4 shown, it also includes a scraper 16, a torsional spring 17 and a finished product collecting box 18, the left part of the winding frame 15 is rotatably connected with the scraper 16, the torsional spring 17 is connected between the scraper 16 and the winding frame 15, the scraper 16 contacts with the carrier tape 6, and the lower left part of the support frame 3 is placed with the finished product collecting box 18.

[0026] In use of the device, first, the support frame 3 is placed in the automatic pin cutting area of the pressure sensitive resistor 5, then the first motor 2 is started to drive the unwinding drum 1 and the winding drum on the winding frame 15 to rotate, so that the resistor 5 on the carrier tape 6 moves, when the laser sensor 10 detects that the resistor 5 moves to the lower side of the blade 12, the cylinder 11 is started to drive the blade 12 to move downward, the pin on the resistor 5 is cut by the blade 12, after the cutting is completed, the cylinder 11 is started in reverse to drive the blade 12 to move upward, and the second motor 14 is started to drive the pin winding drum 13 to rotate, so that the adhesive film 4 is wound on the pin winding drum 13, thereby the pin is collected, the movement of the adhesive film 4 drives the auxiliary roller 9 to rotate, the adhesive film 4 is limited and guided by the auxiliary roller 9, so that the pins of multiple pressure sensitive resistors 5 can be cut at the same time, and the cut pins can be wound and recycled, the manual intervention is reduced, the continuous operation is realized, the production efficiency is improved, the cut resistor 5 moves to the finished product collecting box 18, when the resistor 5 approaches the contact scraper 16, the resistor 5 is scraped by the scraper 16 and falls on the finished product collecting box 18, when the carrier tape 6 wound on the winding drum is more, the torsion spring 17 gradually deforms, so that the finished resistor 5 is scraped, the finished resistor 5 is conveniently collected, and the finished resistor 5 is prevented from being adhered to the carrier tape 6.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present application.

Claims

1. An automatic lead-cutting device for a varistor, characterized in that: it includes... The system includes an unwinding drum (1), a first motor (2), a support frame (3), a resistor (5), a carrying belt (6), a limiting plate (7), a connecting plate (8), a take-up frame (15), a cutting assembly, and a take-up assembly. The unwinding drum (1) is rotatably and detachably connected to the upper right side of the support frame (3). The first motor (2) is connected to the front sides of both the left and right sides of the support frame (3). The take-up frame (15) is detachably connected to the upper left side of the support frame (3). A winding drum is rotatably mounted on the take-up frame (15). Both the winding drum and the unwinding drum (1) are connected to the first motor adjacent to them. The output shaft of the machine (2) is detachably connected. A carrying belt (6) is wound between the unwinding drum (1) and the winding drum. Multiple resistors (5) are placed on the upper side of the carrying belt (6). Limiting plates (7) are connected to the front and rear sides of the right side of the support frame (3). A connecting plate (8) is connected to the upper part of the support frame (3). The carrying belt (6) contacts the connecting plate (8). A cutting component that can automatically cut the leads of the varistor (5) is provided on the upper part of the support frame (3). A winding component that can rewind the cut leads is provided on the support frame (3).

2. The automatic lead-cutting device for a varistor according to claim 1, characterized in that: The cutting assembly includes a laser sensor (10), a cylinder (11) and a blade (12). The upper part of the support frame (3) is connected to the laser sensor (10). The upper part of the support frame (3) is located above the connecting plate (8). The upper side of the middle part of the support frame (3) is connected to the cylinder (11). The blade (12) is connected to the telescopic end of the cylinder (11).

3. The automatic lead-cutting device for a varistor according to claim 1, characterized in that: It also includes auxiliary rollers (9), and the upper left part of the support frame (3) is rotatably connected to two auxiliary rollers (9). The winding frame (15) is located to the left of the auxiliary rollers (9), and the limit plates (7) are also rotatably connected to the auxiliary rollers (9).

4. The automatic lead-cutting device for a varistor according to claim 1, characterized in that: It also includes a winding assembly, which includes an adhesive film (4), a lead winding drum (13), and a second motor (14). The lead winding drum (13) is rotatably and detachably connected to the upper left of the support frame (3). The lead winding drum (13) is located to the upper right of the winding frame (15). The adhesive film (4) is wound on the lead winding drum (13). The resistors (5) are all attached to the adhesive film (4). The auxiliary rollers (9) are all in contact with the adhesive film (4). The second motor (14) is connected to the front side of the upper left of the support frame (3). The output shaft of the second motor (14) is detachably connected to the lead winding drum (13).

5. The automatic lead-cutting device for a varistor according to claim 1, characterized in that: It also includes a scraper (16) and a torsion spring (17). The scraper (16) is rotatably connected to the left side of the winding frame (15). The torsion spring (17) is connected between the scraper (16) and the winding frame (15). The scraper (16) is in contact with the carrier belt (6).

6. The automatic lead-cutting device for a varistor according to claim 1, characterized in that: It also includes a finished product collection box (18), which is placed on the lower left side of the support frame (3).

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