A high-precision resistance repair mold for alloy resistors

Abstract

The present invention discloses a high-precision resistance trimming die for alloy resistors, comprising: a lower die seat, a blade seat, a resistance trimming blade, a positioning groove, a slider, an adjustment slide groove, and a slider adjustment mechanism. Through the above-mentioned method, the high-precision resistance trimming die for alloy resistors of the present invention can accurately adjust the position of the resistance trimming blade through the slider adjustment mechanism and the slider to meet the resistance trimming requirements of different products, can effectively improve the accuracy of resistance trimming, and can also improve production efficiency, with strong adaptability and convenient operation.

Description

Technical Field

[0001] The invention relates to the technical field of resistor repair equipment, and in particular to a high-precision resistor repair mold for alloy resistors. Background Art

[0002] With the development of science and technology, the application of resistor elements is becoming more and more extensive. In the production process of resistor elements, in order to make the final resistance value of the resistor element completely consistent with the preset value, the resistor element needs to be trimmed.

[0003] However, when producing different resistor elements, different processing molds need to be disassembled and assembled for matching, which results in high production costs, inconvenient operation, poor applicability and low production efficiency. In addition, the existing resistor repair machines have large adjustment errors, making it impossible for the resistor repair mechanism to accurately adjust its position, resulting in problems such as low yield.

[0004] Therefore, the existing alloy resistor products on the market generally have the problem of low resistance accuracy, which has brought great troubles to the resistor production industry. Summary of the invention

[0005] The main technical problem solved by the present invention is to provide a high-precision resistance repair mold for alloy resistors, which has the advantages of high reliability, precise positioning, compact structure, etc., and has broad market prospects in the application and popularization of resistance repair molds.

[0006] In order to solve the above technical problems, a technical solution adopted by the present invention is:

[0007] A high-precision resistance repair mold for alloy resistors is provided, comprising:

[0008] The upper die mechanism comprises an upper die seat, a repairing punch, a punch slide seat, and a synchronous guide rod, wherein the repairing punch and the synchronous guide rod are arranged on the punch slide seat, and the punch slide seat is slidably arranged on the upper die seat;

[0009] The lower die mechanism includes a lower die seat, a knife seat, a resistance repairing knife edge, a positioning groove, a slider, an adjustment slide groove, and a slider adjustment mechanism. The resistance repairing knife edge is arranged on the slider to be movably connected with the resistance repairing punch to perform resistance repair. The lower die seat is provided with the adjustment slide groove, the slider is movably arranged in the adjustment slide groove, and the slider adjustment mechanism drives the slider to translate in the adjustment slide groove. The slider is provided with a synchronous positioning hole movably connected with the synchronous guide rod, so that the slider and the punch slide seat can perform synchronous movement, thereby synchronously adjusting the positions of the resistance repairing knife edge and the resistance repairing punch.

[0010] The slider adjustment mechanism includes an adjustment rod, a guide inclined surface, a limit protrusion, an adjustment connecting seat, an adjustment driving mechanism, a limit movable groove, and an adjustment scale. The limit movable groove is arranged on the lower mold seat and is connected with the adjustment slide groove. The adjustment rod is movably arranged in the limit movable groove, and the adjustment rod is relatively arranged on both sides of the adjustment slide groove. The guide inclined surface is arranged on the inner side wall of the adjustment rod facing the slider and abuts against the side wall of the slider. The limit protrusions are arranged at both ends of the guide inclined surface to locate or limit the position of the slider and the adjustment rod. The adjustment rod is provided with the adjustment scale. The adjustment driving mechanism is arranged on the adjustment connecting seat, and drives the adjustment rod to move back and forth in the limit movable groove to promote the slider to translate in the adjustment slide groove.

[0011] In a preferred embodiment of the present invention, the resistance repairing blade is arranged on a blade seat, a positioning groove is arranged on the sliding block, and the blade seat is movably arranged in the positioning groove to accurately position the blade seat.

[0012] In a preferred embodiment of the present invention, limit adjustment blocks are movably provided on the front and rear ends of the adjustment slide slot to limit the front and rear positions of the slide block.

[0013] In a preferred embodiment of the present invention, the limit adjustment block is movably connected to the lower die base via a mounting bolt.

[0014] In a preferred embodiment of the present invention, the sliding block is a trapezoidal structure.

[0015] In a preferred embodiment of the present invention, the adjustment drive mechanism includes an adjustment bolt, which is movably connected to the adjustment connecting seat, and the end of the adjustment bolt is threadedly connected to the adjustment rod. The adjustment bolt rotates forward and reverse on the adjustment connecting seat to drive the adjustment rod to move forward and backward through the thread.

[0016] In a preferred embodiment of the present invention, a locking bolt is provided on the adjusting connecting seat, and the locking bolt is threadedly connected to the adjusting rod and the adjusting connecting seat to lock the position of the adjusting rod.

[0017] In a preferred embodiment of the present invention, the upper die base has a guide post, and the lower die base is provided with a guide sleeve movably connected to the guide post.

[0018] In a preferred embodiment of the present invention, a synchronous slide groove is provided on the upper die seat, and the punch slide seat is slidably disposed in the synchronous slide groove.

[0019] In a preferred embodiment of the present invention, a sliding groove is provided on the top of the punch slide, the upper end of the sliding connector is connected to the upper die seat, and the lower end thereof is movably disposed in the sliding groove, so that the punch slide is slidably connected to the upper die seat.

[0020] The beneficial effects of the present invention are: the position of the resistance repair blade can be accurately adjusted through the slider adjustment mechanism and the slider to meet the resistance repair requirements of different products, which can effectively improve the accuracy of resistance repair and improve production efficiency, and has strong adaptability and easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0022] Figure 1 It is a schematic diagram of the structure of the lower mold mechanism of a preferred embodiment of a high-precision resistance repair mold for alloy resistors of the present invention;

[0023] Figure 2 It is a partial structural schematic diagram of a lower mold mechanism of a preferred embodiment of a high-precision resistance repair mold for alloy resistors of the present invention;

[0024] Figure 3 It is a schematic diagram of the position structure of the adjusting rod and the slider of a preferred embodiment of a high-precision resistance repair mold for alloy resistors of the present invention;

[0025] Figure 4 The present invention is a schematic diagram of the upper mold structure of a preferred embodiment of a high-precision resistor repair mold for alloy resistors. Implementation

[0026] The technical solutions in the embodiments of the present invention are described clearly and completely below. 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.

[0027] See also Figure 1-4 , the embodiment of the present invention includes:

[0028] A high-precision resistance-repairing die for alloy resistors is mainly used for resistance value correction of alloy resistor products of passive components. Its structure includes: an upper die mechanism and a lower die mechanism movably connected to the upper die mechanism.

[0029] The upper die mechanism comprises an upper die seat 1, a repairing punch 2, a punch slide 3, and a synchronous guide rod 4. The repairing punch and the synchronous guide rod are arranged on the punch slide, and the punch slide is slidably arranged on the upper die seat.

[0030] Further preferably, a synchronous slide groove 5 is provided on the upper die seat, and the punch slide seat is slidably arranged in the synchronous slide groove.

[0031] Further preferably, a sliding slot 6 is provided on the top of the punch slide, the upper end of the sliding connector 7 is connected to the upper die seat, and the lower end thereof is movably arranged in the sliding slot, so that the punch slide is slidably connected to the upper die seat. The sliding connector can be a fixing bolt.

[0032] The lower die mechanism comprises a lower die seat 10, a blade seat 11, a repair blade 12, a positioning groove, a slider 13, an adjustment slide groove 14, and a slider adjustment mechanism.

[0033] The resistance repair blade is arranged on the blade seat to be movably connected with the resistance repair punch for resistance repair, the slider is provided with the positioning groove, the blade seat is movably arranged in the positioning groove, so as to accurately position the blade seat. The lower die seat is provided with the adjustment slot, the slider is movably arranged in the adjustment slot, and the slider adjustment mechanism drives the slider to translate left and right in the adjustment slot, so as to adjust the position of the resistance repair blade and improve the accuracy of resistance repair.

[0034] The slide block is provided with a synchronous positioning hole 15 movably connected to the synchronous guide rod, and when the slide block is translated, the punch slide seat can be driven to move synchronously by the synchronous guide rod. The synchronous guide rod can be an elastic column structure.

[0035] Further preferably, the front and rear ends of the adjusting slide groove are movably provided with limited adjustment blocks 16 to limit the front and rear positions of the slide block. According to the product specifications and resistance repair requirements, adjustment blocks of different thicknesses can be selected for installation, so as to accurately control the position of the resistance repair blade.

[0036] Wherein, the limit adjustment block can be movably connected to the lower die base by installing bolts.

[0037] Further preferably, the synchronous slide groove and the regulating slide groove have the same structure.

[0038] Further preferably, a set of diagonal portions of the positioning groove are connected with mounting grooves for facilitating the disassembly and assembly of the blade seat.

[0039] Further preferably, the slider is a trapezoidal structure, and in order to better cooperate with the slider, the adjusting slot may also be a trapezoidal structure.

[0040] The slider adjustment mechanism includes an adjustment rod 17 , a guide inclined surface 18 , a limiting protrusion 19 , an adjustment connection seat 20 , an adjustment driving mechanism, a limiting movable groove 21 , and an adjustment scale 22 .

[0041] The limiting movable groove is arranged on the lower mold base below the adjusting slide groove, and the inner side of the limiting movable groove is communicated with the adjusting slide groove, the adjusting rod is movably arranged in the limiting movable groove, the guiding inclined surface is arranged on the inner side wall of the adjusting rod facing the slider, and abuts against the inclined side surface of the slider, and the limiting protrusions are arranged on the adjusting rod at both ends of the guiding inclined surface to hook the slider for facilitating positioning or limiting the position of the adjusting rod, the adjusting driving mechanism is arranged on the adjusting connecting seat and connected to one end of the adjusting rod to drive the adjusting rod to move back and forth in the limiting movable groove to push the slider to translate in the adjusting slide groove, and the adjusting rod is provided with the adjusting scale to more intuitively and accurately control the position of the adjusting rod.

[0042] Further preferably, a limiting movable groove is provided on each side of an adjusting slide groove, and two oppositely arranged adjusting rods are respectively arranged in the limiting movable grooves.

[0043] When in use, you can first adjust the position of one adjusting rod to position one side of the slider, and then adjust the other adjusting rod to clamp the slider between the guide inclined surfaces of the two adjusting rods. The position of the slider can be adjusted from both left and right directions to prevent the slider from being unable to reset after sliding.

[0044] Further preferably, the adjustment drive mechanism may adopt an automatic adjustment device such as a motor screw. Alternatively, the adjustment drive mechanism adopts a manual adjustment device, including: an adjustment bolt 23, the adjustment bolt is rotatably connected to the adjustment connection seat, and the end of the adjustment bolt is threadedly connected to the adjustment rod. When the adjustment bolt rotates forward and reversely on the adjustment connection seat, the adjustment bolt can drive the adjustment rod to move forward and backward through the thread, thereby driving the slider to translate.

[0045] Further preferably, a locking bolt 24 is provided on the adjusting connecting seat, and the locking bolt is threadedly connected to the adjusting rod and the adjusting connecting seat to lock the adjusting rod after adjusting the position to prevent it from moving during the processing.

[0046] Further preferably, the upper die base has a guide post 8, and the lower die base is provided with a guide sleeve 9 movably connected to the guide post.

[0047] Further preferably, the upper die seat is provided with a resistor frame forming knife, and the lower die seat is provided with a frame forming blade, and the resistor frame forming knife and the frame forming blade cooperate to stamp the material strip 25 to form the overall frame of the resistor at one time. The resistor frame forming knife is composed of a plurality of integrally formed blade heads.

[0048] The beneficial effects of the high-precision resistance repair mold for alloy resistors of the present invention are: the position of the resistance repair blade can be accurately adjusted through the slider adjustment mechanism and the slider to meet the resistance repair requirements of different products, which can effectively improve the accuracy of resistance repair and improve production efficiency, and has strong adaptability and easy operation.

[0049] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A high-precision resistance repair mold for alloy resistors, characterized in that: include: The upper die mechanism comprises an upper die seat, a repairing punch, a punch slide seat, and a synchronous guide rod, wherein the repairing punch and the synchronous guide rod are arranged on the punch slide seat, and the punch slide seat is slidably arranged on the upper die seat; The lower die mechanism includes a lower die seat, a knife seat, a resistance repairing knife edge, a positioning groove, a slider, an adjustment slide groove, and a slider adjustment mechanism. The resistance repairing knife edge is arranged on the slider to be movably connected with the resistance repairing punch to perform resistance repair. The lower die seat is provided with the adjustment slide groove, the slider is movably arranged in the adjustment slide groove, and the slider adjustment mechanism drives the slider to translate in the adjustment slide groove. The slider is provided with a synchronous positioning hole movably connected with the synchronous guide rod, so that the slider and the punch slide seat can perform synchronous movement, thereby synchronously adjusting the positions of the resistance repairing knife edge and the resistance repairing punch. The slider adjustment mechanism includes an adjustment rod, a guide inclined surface, a limit protrusion, an adjustment connecting seat, an adjustment driving mechanism, a limit movable groove, and an adjustment scale. The limit movable groove is arranged on the lower mold seat and is connected with the adjustment slide groove. The adjustment rod is movably arranged in the limit movable groove, and the adjustment rod is relatively arranged on both sides of the adjustment slide groove. The guide inclined surface is arranged on the inner side wall of the adjustment rod facing the slider and abuts against the side wall of the slider. The limit protrusions are arranged at both ends of the guide inclined surface to locate or limit the position of the slider and the adjustment rod. The adjustment rod is provided with the adjustment scale. The adjustment driving mechanism is arranged on the adjustment connecting seat, and drives the adjustment rod to move back and forth in the limit movable groove to promote the slider to translate in the adjustment slide groove.

2. The high-precision resistance repair mold for alloy resistors according to claim 1, characterized in that: The repairing blade is arranged on a blade seat, a positioning groove is arranged on the sliding block, and the blade seat is movably arranged in the positioning groove to accurately position the blade seat.

3. The high-precision resistance repair mold for alloy resistors according to claim 1, characterized in that: The front and rear ends of the adjusting slide groove are movably provided with limited adjustment blocks to limit the front and rear positions of the slide block.

4. The high-precision resistor repair mold for alloy resistors according to claim 3, characterized in that: The limit adjustment block is movably connected to the lower die base through a mounting bolt.

5. The high-precision resistor repair mold for alloy resistors according to claim 1, characterized in that: The sliding block is a trapezoidal structure.

6. The high-precision resistance repair mold for alloy resistors according to claim 1, characterized in that: The adjustment drive mechanism includes an adjustment bolt, which is movably connected to the adjustment connection seat, and the end of the adjustment bolt is threadedly connected to the adjustment rod. The adjustment bolt rotates forward and reversely on the adjustment connection seat to drive the adjustment rod to move forward and backward through the thread.

7. The high-precision resistor repair mold for alloy resistors according to claim 6, characterized in that: The adjusting connecting seat is provided with a locking bolt, and the locking bolt is threadedly connected with the adjusting rod and the adjusting connecting seat to lock the position of the adjusting rod.

8. The high-precision resistor repair mold for alloy resistors according to claim 1, characterized in that: The upper die seat has guide pins, and the lower die seat is provided with guide sleeves movably connected with the guide pins.

9. The high-precision resistor repair mold for alloy resistors according to claim 1, characterized in that: The upper die seat is provided with a synchronous slide groove, and the punch slide seat is slidably arranged in the synchronous slide groove.

10. The high-precision resistor repair mold for alloy resistors according to claim 1, characterized in that: A sliding slot is provided on the top of the punch slide, the upper end of the sliding connector is connected to the upper die seat, and the lower end thereof is movably arranged in the sliding slot, so that the punch slide is slidably connected to the upper die seat.

Images