CN-224222866-U - Alloy resistor trimming device

CN224222866UCN 224222866 UCN224222866 UCN 224222866UCN-224222866-U

Abstract

The utility model provides an alloy resistor trimming device which comprises a feeding mechanism, a transferring mechanism, a jig and a tester. The feeding mechanism comprises a loading table and a multi-axis manipulator, the loading table is used for storing alloy resistor semi-finished products to be repaired, the tester comprises a visual detection assembly, a repairing table, a motor, a ball head cutter and two groups of probes, the motor, the ball head cutter and the two groups of probes are positioned on the repairing table, the two groups of probes are respectively positioned on two sides of the ball head cutter, each probe comprises a T-shaped insulating sleeve, a conductive insert and a metal rod, a sliding groove is formed in the repairing table, a terminal is arranged on the inner wall of each sliding groove, the T-shaped insulating sleeve is slidably arranged in each sliding groove, the conductive insert penetrates through the T-shaped insulating sleeve, the conductive insert is exposed out of the T-shaped insulating sleeve and is attached to the terminal, and the metal rod is embedded on the conductive insert. In conclusion, the alloy resistor trimming device can adapt to trimming requirements of alloy resistors with various sizes, burrs generated in the trimming process are reduced, and defects caused by trimming errors are avoided.

Inventors

LI ZHIDE
SHENG WENWEN
YUE WENKAI
YANG YI

Assignees

业展电子(惠州市)有限公司

Dates

Publication Date: 20260512
Application Date: 20250528

Claims (9)

1. The alloy resistor trimming device is characterized by comprising a feeding mechanism, a transferring mechanism, a jig and a tester; The feeding mechanism comprises a carrying table and a multi-axis manipulator, wherein the carrying table is used for storing alloy resistor semi-finished products to be repaired; The tester comprises a visual detection assembly, a resistance repairing table, a motor, a ball head cutter and two groups of probes, wherein the motor, the ball head cutter and the two groups of probes are positioned on the resistance repairing table; the probe comprises a T-shaped insulating sleeve, a conductive insert and a metal rod, wherein a sliding groove is formed in the repairing table, a terminal is arranged on the inner wall of the sliding groove, the T-shaped insulating sleeve is slidably arranged in the sliding groove, the conductive insert penetrates through the T-shaped insulating sleeve, the conductive insert is exposed out of the T-shaped insulating sleeve and is attached to the terminal, the metal rod is embedded in the conductive insert, and the metal rod is used for being in contact with an electrode on an alloy resistor semi-finished product.
2. The alloy resistor trimming device according to claim 1, wherein the T-shaped insulating sleeve is provided with a recess on a side thereof close to the terminal.
3. The alloy resistor trimming device according to claim 1, wherein the metal rod comprises a connecting portion and a contact end, the connecting portion is connected with the conductive insert, and the contact end is bent toward the position where the jig is located.
4. The alloy resistor trimming device according to claim 1, wherein the surface of the trimming table is provided with an insulating layer.
5. The alloy resistor trimming device according to claim 1, wherein a coupling is provided between the ball head cutter and the motor.
6. The alloy resistor trimming device according to claim 1, wherein the end portion of the ball-end cutter has an arc shape.
7. The alloy resistor trimming device according to claim 1, wherein the transfer mechanism comprises a transverse sliding table and a longitudinal sliding rail, the transverse sliding table is perpendicular to the longitudinal sliding rail, the transverse sliding table is used for driving the jig to horizontally and horizontally translate, and the longitudinal sliding rail is used for driving the jig to horizontally and longitudinally translate so as to enable each alloy resistor to move below the ball head cutter.
8. The alloy resistor trimming device according to claim 1, wherein the material carrying table comprises a first bracket and a second bracket, the first bracket is used for storing an alloy resistor semi-finished product to be trimmed, the second bracket is used for storing an alloy resistor semi-finished product completed with trimming, and the first bracket and the second bracket are respectively positioned on two sides of the multi-axis manipulator.
9. The alloy resistor trimming device according to claim 1, wherein the visual detection assembly comprises a CCD camera and an electric slide rail, and the electric slide rail is used for driving the CCD camera to move so as to adjust the orientation of the CCD camera.

Description

Alloy resistor trimming device Technical Field The utility model relates to the field of alloy resistor production, in particular to an alloy resistor trimming device. Background As shown in fig. 2, the alloy resistor 20 includes a resistor body 21 and two electrodes 22, and is manufactured by rolling a resistor raw material and the electrodes to form an alloy material, and then subjecting the alloy material to steps such as cutting, trimming, and dicing. The alloy material needs to be divided into corresponding sizes according to different required resistance values, that is, when the same alloy material is used to produce the resistor, the sizes of the alloy resistors 20 with different resistance values are different, so that the pitches of the electrodes 22 in the alloy resistors 20 with different resistance values are different. When the alloy resistor 20 is repaired, the actual resistance of the alloy resistor 20 is detected by electrifying, a groove is formed in the resistor 21, and the resistance is adjusted in a manner of digging away the material of the resistor 21, but due to the fact that the distances between the electrodes 22 in the alloy resistor 20 with different resistance values are different, the alloy resistor is required to be subjected to trial repair operation by the repair equipment with corresponding specifications, the equipment manufacturing cost is high, the space is required to be provided for storing spare repair equipment, the improvement of a resistor product is not facilitated, on the other hand, burrs are easily generated at the edge in the repair process by the aid of the milling cutter, and the follow-up resistor packaging defects are easily caused to generate defects. Disclosure of utility model The utility model aims to overcome the defects in the prior art, and provides an alloy resistor trimming device which can adapt to trimming requirements of alloy resistors with various sizes, reduce burrs generated in the trimming process and avoid defects caused by trimming errors. The aim of the utility model is realized by the following technical scheme: An alloy resistor trimming device comprises a feeding mechanism, a transferring mechanism, a jig and a tester; The feeding mechanism comprises a carrying table and a multi-axis manipulator, wherein the carrying table is used for storing alloy resistor semi-finished products to be repaired; The tester comprises a visual detection assembly, a resistance repairing table, a motor, a ball head cutter and two groups of probes, wherein the motor, the ball head cutter and the two groups of probes are positioned on the resistance repairing table; the probe comprises a T-shaped insulating sleeve, a conductive insert and a metal rod, wherein a sliding groove is formed in the repairing table, a terminal is arranged on the inner wall of the sliding groove, the T-shaped insulating sleeve is slidably arranged in the sliding groove, the conductive insert penetrates through the T-shaped insulating sleeve, the conductive insert is exposed out of the T-shaped insulating sleeve and is attached to the terminal, the metal rod is embedded in the conductive insert, and the metal rod is used for being in contact with an electrode on an alloy resistor semi-finished product. In one embodiment, a side of the T-shaped insulating sleeve, which is close to the terminal, is provided with a recess. In one embodiment, the metal rod includes a connection portion and a contact end, the connection portion is connected with the conductive insert, and the contact end is bent toward a position where the jig is located. In one embodiment, an insulating layer is disposed on the surface of the repair stand. In one embodiment, a coupling is provided between the ball head cutter and the motor. In one embodiment, the end of the ball head cutter is arc-shaped. In one embodiment, the transfer mechanism comprises a transverse sliding table and a longitudinal sliding rail, the transverse sliding table is perpendicular to the longitudinal sliding rail, the transverse sliding table is used for driving the jig to horizontally and horizontally translate, and the longitudinal sliding rail is used for driving the jig to horizontally and longitudinally translate, so that each alloy resistor moves to the lower part of the ball head cutter. In one embodiment, the material carrying platform comprises a first bracket and a second bracket, the first bracket is used for storing an alloy resistor semi-finished product to be repaired, the second bracket is used for storing an alloy resistor semi-finished product completed with repair, and the first bracket and the second bracket are respectively positioned on two sides of the multi-axis manipulator. In one embodiment, the visual detection assembly comprises a CCD camera and an electric sliding rail, wherein the electric sliding rail is used for driving the CCD camera to move so as to adjust the orientation of the CCD camera. In conclusion, t