Positioning device for carbon film resistor grooving

Abstract

The utility model discloses a carbon film resistor grooving positioning device which is arranged at the bottom of a supporting table, a movable moving frame is arranged at the rear position of the top of the supporting table, the bottom of the front face of the moving frame is fixedly connected with a stepping motor, the output end of the stepping motor is fixedly connected with a cutter, and the cutter is fixedly connected with a motor. The positioning device comprises a servo motor fixedly connected to the bottom of the supporting table through a mounting plate, and an output shaft of the servo motor is fixedly connected with a gear. A resistor is placed in the inner surface of the placing hole, the servo motor drives the gear to rotate so as to drive the rack plates to move, and when the rack plates move close to each other, the guide block slides on the inner surface of the guide groove for guiding so as to drive the connecting rod to move. And under the movement of the connecting rod, the fixing plates move close to each other, so that the fixing plates are driven to move close to each other, the resistors are conveniently fixed, and the fixing requirements of the resistors with different sizes are met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to resistance processing technical field, especially, relate to a kind of positioning device for carbon film resistance slotting. BACKGROUND

[0002] Carbon film resistance is one of film resistance, adopts high-temperature vacuum plating film technology, let carbon hydrogen compound decompose in high temperature and vacuum, make carbon uniformly deposit on the circumferential surface of ceramic cylinder or ceramic tube, form a layer of crystalline carbon film.

[0003] In order to facilitate the welding of pin, the end face of carbon film needs to be slotting, due to the different size of carbon film, different size of fixing frame needs to be replaced, which increases the inconvenience of fixing, in order to facilitate the fixation of resistance, we propose a kind of positioning device for carbon film resistance slotting, to solve the above problems. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of positioning device for carbon film resistance slotting, with the purpose of convenient fixation, to meet the resistance fixation demand of different sizes, to solve the above background technical problems.

[0005] The technical scheme that the utility model solves above technical problem is as follows: a kind of positioning device for carbon film resistance slotting, the positioning device is arranged at the bottom of support table, the rear position of the top of support table is provided with movable moving frame, the bottom of the front of moving frame is fixedly connected with step motor, the output end of step motor is fixedly connected with cutter, the positioning device includes servo motor fixedly connected in the bottom of support table by mounting plate, the output shaft of servo motor is fixedly connected with gear, the surface of gear is engaged with rack plate, the top of rack plate is fixedly connected with guide block, the bottom of support table is provided with guide groove that guide block slides, the outer side of rack plate is fixedly connected with connecting rod, the inside of support table is provided with through slot for the sliding of connecting rod, the connecting rod passes through through slot and is fixedly connected with moving plate, the side close to of moving plate is provided with fixed plate, the top of support table is provided with placing hole.

[0006] Preferably, the side opposite of moving plate is fixedly connected between adjusting assembly and fixed plate, the adjusting assembly includes threaded bolt that passes through the inner surface of moving plate, the side opposite of threaded bolt is fixedly connected with fixed plate, the both sides of the surface of threaded bolt are all threadedly connected with adjusting nut, adjusting nut is tightly attached between adjusting nut and moving plate.

[0007] Preferably, the cross section of guide groove is T-shaped design, the guide block is slidably matched with guide groove.

[0008] Preferably, the gear drives the rack plate to move, so that the moving plates move closer to or away from each other.

[0009] Preferably, the guide groove penetrates through the two side end faces of the support table, and the sliding distance of the guide block on the inner surface of the guide groove is greater than the length of the sliding way of the guide groove.

[0010] The beneficial effects of the utility model are:

[0011] 1、 the utility model discloses the resistance is placed in the inner surface of the placing hole, is rotated through servo motor drive gear, thereby drive rack plate moves, when rack plate moves closer to each other, and through the inner surface sliding guide of guide block in guide groove, thereby drive connecting rod moves, under the movement of connecting rod, make each other move closer, thereby drive fixed plate moves closer to each other, thereby facilitate the fixation of resistance, satisfy the demand of resistance fixation of different sizes;

[0012] 2、 the utility model discloses the inner surface of the moving plate is penetrated through screw bolt, and the position of screw bolt is fastened through the cooperation of adjusting nut, thereby can further carry out fine adjustment fixation according to the demand of resistance size;

[0013] 3、 the utility model discloses the cross section of guide groove is T-shaped design, and guide block and guide groove are adapted to slide, can move the guide of rack plate, and also can support rack plate;

[0014] 4、 the utility model discloses the sliding distance of guide block on the inner surface of guide groove is greater than the length of the sliding way of guide groove, avoids the sliding way distance to be too short, makes rack plate appear the situation of derailment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Among them:

[0016] Figure 1 It is the schematic view of the structure of the utility model;

[0017] Figure 2 It is the bottom view schematic diagram of the structure of the utility model;

[0018] Figure 3 It is the local enlarged view of point A of the utility model;

[0019] Figure 4 It is the schematic diagram of gear and tooth cooperation of the utility model.

[0020] In the drawings, the component list represented by each sign is as follows:

[0021] 1, support table, 2, moving frame, 3, stepper motor, 4, cutter, 5, servo motor, 6, gear, 7, rack plate, 8, guide block, 9, guide groove, 10, connecting rod, 11, through groove, 12, moving plate, 13, fixed plate, 14, threaded bolt, 15, adjusting nut, 16, placing hole. DETAILED DESCRIPTION

[0022] Hereinafter, the embodiment of the positioning device for carbon film resistor slotting of the utility model will be described with reference to the drawings. Example one

[0023] Figures 1-4 The positioning device for carbon film resistor slotting of one embodiment of the utility model is shown, the positioning device is arranged at the bottom of the support table 1, the movable moving frame 2 is arranged at the rear position of the top of the support table 1, the bottom of the front of the moving frame 2 is fixedly connected with the stepper motor 3, the output end of the stepper motor 3 is fixedly connected with the cutter 4, the positioning device comprises the servo motor 5 fixedly connected at the bottom of the support table 1 through the mounting plate, the output shaft of the servo motor 5 is fixedly connected with the gear 6, the surface of the gear 6 is engaged with the rack plate 7, the top of the rack plate 7 is fixedly connected with the guide block 8, the bottom of the support table 1 is provided with the guide groove 9 sliding with the guide block 8, the cross section of the guide groove 9 is designed as T shape, the guide block 8 is adapted to slide with the guide groove 9, by setting the cross section of the guide groove 9 as T shape, the guide block 8 is adapted to slide with the guide groove 9, the rack plate 7 can be guided and supported at the same time, the guide groove 9 penetrates the two side end faces of the support table 1, the sliding length of the guide groove 9 is greater than the sliding distance of the guide block 8 on the inner surface of the guide groove 9, by setting the sliding length of the guide groove 9 greater than the sliding distance of the guide block 8 on the inner surface of the guide groove 9, the sliding distance is avoided to be too short, so that the rack plate 7 is out of track, the outer side of the rack plate 7 is fixedly connected with the connecting rod 10, the inside of the support table 1 is provided with the through groove 11 for the sliding of the connecting rod 10, the connecting rod 10 penetrates the through groove 11 and is fixedly connected with the moving plate 12, the side close to the moving plate 12 is provided with the fixed plate 13, the gear 6 drives the rack plate 7 to move, so that the moving plate 12 moves close to or away from each other, the top of the support table 1 is provided with the placing hole 16, the resistor is placed in the inner surface of the placing hole 16, the gear 6 is driven to rotate by the servo motor 5, so as to drive the rack plate 7 to move, when the rack plate 7 moves close to each other, and is guided to slide on the inner surface of the guide groove 9 by the guide block 8, so as to drive the connecting rod 10 to move, the moving plate 12 moves close to each other under the movement of the connecting rod 10, so as to drive the fixed plate 13 to move close to each other, so as to facilitate the fixation of the resistor, the demand of the fixation of resistors of different sizes is met. Example two

[0024] Figures 1-4The positioning device for cutting groove of carbon film resistor shown in an embodiment of the utility model, the positioning device is arranged at the bottom of support table 1, the movable moving frame 2 is arranged at the rear position of the top of support table 1, the stepper motor 3 is fixedly connected to the bottom of the front of moving frame 2, the cutter 4 is fixedly connected to the output end of stepper motor 3, the positioning device includes the servo motor 5 fixedly connected at the bottom of support table 1 through the mounting plate, the output shaft of servo motor 5 is fixedly connected with gear 6, the surface of gear 6 is engaged with rack plate 7, the top of rack plate 7 is fixedly connected with guide block 8, the bottom of support table 1 is provided with the guide groove 9 that slides with guide block 8, the outside of rack plate 7 is fixedly connected with connecting rod 10, the inside of support table 1 is provided with the through slot 11 for the sliding of connecting rod 10, the side close to of moving plate 12 is provided with fixed plate 13, connecting rod 10 penetrates through the through slot 11 and is fixedly connected with moving plate 12, the top of support table 1 is provided with placing hole 16, the opposite side of moving plate 12 is fixedly connected between the fixed plate 13 through adjusting assembly, adjusting assembly includes the threaded bolt 14 that penetrates the inner surface of moving plate 12, the opposite side of threaded bolt 14 is fixedly connected with fixed plate 13, the both sides of the surface of threaded bolt 14 are all screw-connected with adjusting nut 15, adjusting nut 15 is closely attached between moving plate 12, the position of threaded bolt 14 is fastened through the penetration of threaded bolt 14 in the inner surface of moving plate 12 and the cooperation of adjusting nut 15, so that the further fine adjustment fixing according to the demand of resistance size can be carried out.

[0025] Working principle: when the utility model is used, the user places resistance in the inner surface of placing hole 16, drives gear 6 to rotate through servo motor 5, moves rack plate 7, when rack plate 7 moves mutually close, slides and guides in the inner surface of guide groove 9 through guide block 8, moves connecting rod 10, makes 12 mutually close under the movement of connecting rod 10, moves fixed plate 13 mutually close, thereby the resistance is conveniently fixed, meets the demand of resistance fixed of different sizes, the position of threaded bolt 14 is fastened through the penetration of threaded bolt 14 in the inner surface of moving plate 12 and the cooperation of adjusting nut 15, so that the further fine adjustment fixing according to the demand of resistance size can be carried out.

Claims

1. A positioning device for cutting grooves in carbon film resistors, the positioning device being disposed at the bottom of a support platform (1), wherein a movable frame (2) is disposed at a rearward position on the top of the support platform (1), a stepper motor (3) is fixedly connected to the bottom of the front side of the movable frame (2), and a cutter (4) is fixedly connected to the output end of the stepper motor (3), characterized in that, The positioning device includes a servo motor (5) fixedly connected at the bottom of the support table (1) through a mounting plate, the output shaft of the servo motor (5) is fixedly connected with a gear (6), the surface of the gear (6) is engaged with a rack plate (7), the top of the rack plate (7) is fixedly connected with a guide block (8), the bottom of the support table (1) is provided with a guide groove (9) sliding with the guide block (8), the outer side of the rack plate (7) is fixedly connected with a connecting rod (10), the inside of the support table (1) is provided with a through slot (11) for sliding of the connecting rod (10), the connecting rod (10) penetrates through the through slot (11) and is fixedly connected with a moving plate (12), the side close to the moving plate (12) is provided with a fixed plate (13), and the top of the support table (1) is provided with a placing hole (16).

2. The positioning device for slotting of carbon film resistor according to claim 1, wherein The opposite side of the moving plate (12) is fixedly connected with the fixed plate (13) through an adjusting assembly, the adjusting assembly includes a threaded bolt (14) penetrating the inner surface of the moving plate (12), the opposite side of the threaded bolt (14) is fixedly connected with the fixed plate (13), and the two sides of the surface of the threaded bolt (14) are threadedly connected with adjusting nuts (15), and the adjusting nuts (15) are tightly attached to the moving plate (12).

3. The positioning device for slotting of carbon film resistor according to claim 1, wherein The cross section of the guide groove (9) is T-shaped design, and the guide block (8) is matched with the guide groove (9) for sliding.

4. The positioning device for slotting of carbon film resistor according to claim 1, wherein The gear (6) drives the rack plate (7) to move, so that the moving plates (12) are close to or away from each other.

5. The positioning device for slotting of carbon film resistor according to claim 1, wherein The guide groove (9) penetrates the two side end faces of the support table (1), and the sliding length of the guide groove (9) is greater than the sliding distance of the guide block (8) on the inner surface of the guide groove (9). The cross section of the guide groove (9) is T-shaped design, and the guide block (8) is matched with the guide groove (9) for sliding.

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