Fixing structure for machining set screw

Abstract

The fixing structure comprises a base and a movable rod, a clamping mechanism is installed above the base and comprises a first side cover plate and a second side cover plate, a first limiting movable groove is formed in the side face of the second side cover plate, and a second limiting movable groove is formed in the side face of the second side cover plate. A second limiting movable groove is formed in the side face of the first side cover plate, and a dense gear is rotationally connected to the inner side of the first side cover plate. According to the utility model, the servo motor drives the dense gear to rotate, the limiting movable chute on the side surface of the dense gear is matched with the movable rods, and the guide function of the first limiting movable groove and the second limiting movable groove enables the four groups of movable rods to be synchronously and flexibly close to or far away from the center, which means that no matter a small-diameter precision screw is, the precision screw can be accurately adjusted. The clamping soft rubber head can be accurately matched with the size of the screw through the movement of the movable rod, stable and accurate fixing is achieved, and the problem that in an existing mode, fixing is difficult due to the fact that the clamping soft rubber head cannot adapt to the size difference is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw processing equipment technical field, specifically a kind of fixing structure for the processing of tight screw. BACKGROUND

[0002] Tight screw processing is a relatively complex process, first, the selection of raw materials, usually high-quality carbon steel, alloy steel etc., to ensure that the screw has good strength and toughness, then cold upsetting or hot upsetting process, by die to material to exert pressure, make its preliminary forming, form the head and rod of screw roughly shape, this can improve material utilization and production efficiency, then thread processing, generally using thread rolling machine or thread rolling machine, accurate thread is formed on the surface of screw rod by die, ensure the accuracy and quality of thread, then heat treatment, such as quenching, tempering etc., to improve the hardness, wear resistance and corrosion resistance of screw, then surface treatment, common have galvanizing, plating nickel, blackening etc., not only can enhance the protective performance of screw, also can make its appearance more beautiful, finally quality detection, by a variety of detection means, such as dimensional accuracy measurement, hardness detection, surface defect inspection etc., ensure that tight screw meets relevant standards and customer requirements, only qualified products can enter packaging link, finally flow to market;

[0003] The existing tight screw processing fixing mode has obvious defects, the structure design is relatively single, lacks sufficient flexibility and adjustability, cannot adapt to dimensional differences such as screw length and head shape, leading to difficulty in realizing stable and accurate fixing when facing different size specifications of small-diameter precision screws and large-specification industrial screws, greatly limiting processing efficiency and quality, affecting the satisfaction ability of diversified screw processing demand. UTILITY MODEL CONTENTS

[0004] The utility model aims at: in order to solve the above-mentioned problem, provide a kind of fixing structure for the processing of tight screw.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of fixing structure for the processing of tight screw, comprising: base and movable rod, the base top is equipped with clamping mechanism, the clamping mechanism includes first side cover plate and second side cover plate, the second side cover plate side is equipped with first limit movable slot, the first side cover plate side is equipped with second limit movable slot, the first side cover plate inboard is pivoted with sprocket, the first side cover plate top is equipped with servo motor, the servo motor output shaft is equipped with driving gear, the sprocket side is equipped with limit movable chute, the movable rod passes through the first limit movable slot, the second limit movable slot and the limit movable chute, the movable rod one end is fixedly connected with second limit movable slot limit block.

[0006] As a further scheme of the utility model: the side of the close gear is connected with a rotating disc, the side of the rotating disc is installed with a damping rod, the other end of the damping rod is fixedly connected with the side of the movable rod, the other end of the movable rod is fixedly connected with a clamping soft rubber head.

[0007] As a further scheme of the utility model: the side of the base is fixedly connected with a connecting plate, the inside of the connecting plate is inserted with a scrap drawer, an opening is arranged above the connecting plate.

[0008] As a further scheme of the utility model: the first limiting movable groove, the second limiting movable groove and the limiting movable inclined groove are all provided with four groups, and the first limiting movable groove, the second limiting movable groove and the limiting movable inclined groove are respectively annularly arranged on the side of the second cover plate, the first cover plate and the close gear.

[0009] As a further scheme of the utility model: the damping rod, the movable rod and the clamping soft rubber head are all provided with four groups.

[0010] As a further scheme of the utility model: the driving gear and the close gear are mutually toothed, and the clamping mechanism is provided with two groups.

[0011] As a further scheme of the utility model: the opening penetrates the connecting plate and the scrap drawer, and the opening is arranged between the two groups of clamping mechanisms.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] In the utility model, the close gear is driven to rotate by the servo motor, the limiting movable inclined groove on the side of the close gear cooperates with the movable rod, and the first limiting movable groove and the second limiting movable groove have the guiding effect, so that the four groups of movable rods can be synchronously and flexibly close to or away from the center, which means that whether it is a small-diameter precision screw or a large-specification industrial screw, the clamping soft rubber head can be accurately matched with the screw size through the movement of the movable rod, stable and accurate fixation is realized, and the fixation is not difficult due to the size difference as in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the whole structure schematic view of the fixing structure for machining of the tight screw of the utility model;

[0015] Fig. 2 It is the structure schematic view of the side of the fixing structure for machining of the tight screw of the utility model;

[0016] Fig. 3 It is the structure schematic view of the inside of the clamping mechanism in the fixing structure for machining of the tight screw of the utility model;

[0017] Fig. 4 is the side view of the clamping mechanism of the fixing structure for machining of the fixing screw.

[0018] In the figure: 1, base; 2, clamping mechanism; 3, first side cover plate; 4, second side cover plate; 5, first limiting movable groove; 6, second limiting movable groove; 7, gear; 8, servo motor; 9, driving gear; 10, limiting movable inclined groove; 11, movable rod; 12, second limiting movable groove limiting block; 13, rotating disc; 14, damping rod; 15, clamping soft rubber head; 16, connecting plate; 17, scrap drawer; 18, opening. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The embodiments will be described below according to the overall structure of the utility model.

[0021] Reference Figs. 1 to 4The utility model discloses a fixed structure for the processing of tight screw, including: base 1 and movable rod 11, base 1 top is equipped with the clamping mechanism 2, the clamping mechanism 2 number sets up two groups, and the clamping mechanism 2 includes first side cover plate 3 and second side cover plate 4, and the second side cover plate 4 side is equipped with first limit movable slot 5, and the first side cover plate 3 side is equipped with second limit movable slot 6, and the first side cover plate 3 inboard is connected with the close gear 7, and the first side cover plate 3 top is equipped with servo motor 8, when starting servo motor 8, its output shaft drives drive gear 9 to rotate, because drive gear 9 and close gear 7 are mutually engaged, thereby drive close gear 7 rotates around its adapter, and the close gear 7 side is equipped with limit movable inclined slot 10, and the first limit movable slot 5, second limit movable slot 6 and limit movable inclined slot 10 number all set up four groups, and the first limit movable slot 5, second limit movable slot 6 and limit movable inclined slot 10 are respectively annular array distribution at second side cover plate 4, first side cover plate 3 and close gear 7 side, and movable rod 11 penetrates first limit movable slot 5, second limit movable slot 6 and limit movable inclined slot 10, and movable rod 11 one end is fixedly connected with second limit movable slot limit block 12, and the limit movable inclined slot 10 of annular array distribution at close gear 7 side will follow close gear 7 rotation, and movable rod 11 penetrates first limit movable slot 5, second limit movable slot 6 and limit movable inclined slot 10, and the first limit movable slot 5, second limit movable slot 6 are also annular array distribution at second side cover plate 4 and first side cover plate 3 side, along with limit movable inclined slot 10 rotation, its inclined structure will push movable rod 11 along the guide direction of first limit movable slot 5 and second limit movable slot 6 and move, and then realize four groups movable rod 11 synchronous approach or away from the center, and the clamping soft rubber head 15 of installation at movable rod 11 one end can be flexibly and stably clamped according to screw size difference.

[0022] The close gear 7 side is connected with the rotating disc 13, the rotating disc 13 side is equipped with the damping rod 14, the damping rod 14 other end is fixedly connected to movable rod 11 side, movable rod 11 other end is fixedly connected with clamping soft rubber head 15, and the damping rod 14, movable rod 11 and clamping soft rubber head 15 number all set up four groups, and the rotating disc 13 of close gear 7 side adapter will rotate along with close gear 7 rotation, and the damping rod 14 one end of rotating disc 13 side installation is fixedly connected to movable rod 11 side, and the damping rod 14 plays the role of auxiliary stable movable rod 11 motion track, avoids movable rod 11 to appear to shake in the moving process, further guarantees the stability of clamping. The base 1 side is fixedly connected with the connecting plate 16, the connecting plate 16 inside is inserted with the scrap drawer 17, the connecting plate 16 top is equipped with the opening 18, and the opening 18 penetrates the connecting plate 16 and scrap drawer 17, and the opening 18 is equipped between two clamping mechanisms 2, and the scrap produced in the processing process will fall into the scrap drawer 17 through the opening 18 between two clamping mechanisms 2, which is equipped on the connecting plate 16 top, convenient centralized cleaning, keeps the neatness of work area.

[0023] Meanwhile, the contents not described in detail in the specification are all the prior art known to those skilled in the art.

[0024] The working principle of the utility model is: in the equipment preparation stage, whether the base 1 is stably placed needs to be checked, the whole fixed structure is ensured not to shake in the subsequent operation, it is confirmed that the power line connection of the servo motor 8 is correct, and the motor can be normally started, there is no abnormal noise or jamming, at the same time, the first side cover plate 3 and the second side cover plate 4 are checked to be firmly installed, there is no foreign matter blockage in the first limit movable slot 5 and the second limit movable slot 6, and the movable rod 11 can be smoothly moved; into the installation screw segment to be processed, the fixing screw to be processed is placed in the preset position between the two groups of clamping mechanisms 2, the servo motor 8 is started, the motor output shaft drives the driving gear 9 to rotate, and then drives the dense gear 7 to rotate around its adapter, along with the rotation of the dense gear 7, the limit movable inclined slot 10 distributed in the side surface of the dense gear 7 pushes the movable rod 11 penetrating through it, the movable rod 11 moves along the guide direction of the first limit movable slot 5 and the second limit movable slot 6, the four groups of movable rods 11 are synchronously close to or away from the center, the clamping soft rubber head 15 installed at one end of the movable rod 11 gradually approaches the screw, until the screw is tightly clamped according to the screw size, and the fixing is completed; in the processing process, when the fixing screw is processed, the rotating disc 13 connected on the side of the dense gear 7 rotates along with the dense gear 7, the damping rod 14 installed on the side of the rotating disc 13 assists the movement track of the movable rod 11, ensures that the movable rod 11 will not shake due to processing vibration and other factors, maintains the stability of clamping, guarantees the processing precision, the debris generated in the processing process falls into the debris drawer 17 inserted in the inside of the connecting plate 16 through the opening 18 opened between the two groups of clamping mechanisms 2 on the upper side of the connecting plate 16; in the processing completion and cleaning stage, after the fixing screw processing is completed, the servo motor 8 is closed, the dense gear 7 stops rotating, the movable rod 11 is no longer pushed by the limit movable inclined slot 10, the servo motor 8 is reversely operated, the movable rod 11 drives the clamping soft rubber head 15 to move away from the processed screw, the screw is taken out, the debris drawer 17 is pulled out, the accumulated debris in it is cleaned, the equipment is kept clean, and the next processing is prepared.

[0025] The above is only a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A fixing structure for processing of a set screw, characterized by comprising: Include: Base (1) and movable rod (11), the base (1) is installed above the clamping mechanism (2), the clamping mechanism (2) includes first side cover plate (3) and second side cover plate (4), the second side cover plate (4) side is provided with first limit movable slot (5), the first side cover plate (3) side is provided with second limit movable slot (6), the first side cover plate (3) is connected with the inside of the gear (7), the first side cover plate (3) is installed above the servo motor (8), the servo motor (8) output shaft is installed with drive gear (9), the gear (7) side is provided with limit movable chute (10), the movable rod (11) penetrates the first limit movable slot (5), the second limit movable slot (6) and the limit movable chute (10), the movable rod (11) one end is fixedly connected with second limit movable slot limit block (12).

2. The fixing structure for machining of a set screw according to claim 1, characterized in that, The gear (7) side is connected with rotating disc (13), the rotating disc (13) side is installed with damping rod (14), the damping rod (14) other end is fixedly connected to the side of the movable rod (11), the movable rod (11) other end is fixedly connected with clamping soft rubber head (15).

3. The fixing structure for machining of a set screw according to claim 1, characterized in that, The base (1) side is fixedly connected with connecting plate (16), the connecting plate (16) is inserted with scrap drawer (17), the connecting plate (16) is provided with opening (18) above.

4. The fixing structure for machining of a set screw according to claim 1, characterized in that, The first limit movable slot (5), the second limit movable slot (6) and the limit movable chute (10) are all provided with four groups, and the first limit movable slot (5), the second limit movable slot (6) and the limit movable chute (10) are respectively distributed in the form of annular array on the side of the second side cover plate (4), the first side cover plate (3) and the gear (7).

5. The fixing structure for machining of a set screw according to claim 2, characterized in that, The damping rod (14), the movable rod (11) and the clamping soft rubber head (15) are all provided with four groups.

6. The fixing structure for machining of a set screw according to claim 1, wherein The drive gear (9) and the gear (7) are mutually toothed, and the clamping mechanism (2) is provided with two groups.

7. The fixing structure for machining of a set screw according to claim 3, wherein The opening (18) penetrates the connecting plate (16) and scrap drawer (17), and the opening (18) is provided between the two groups of clamping mechanism (2).

Images