A transfer assembly for a screw machine

By employing a worm gear transmission system and an accordion-style protective cover in the screw machine's conveyor device, the distance between the sliding rods is stabilized, solving the swaying problem caused by the instability of the springs in existing devices, and achieving highly reliable and convenient screw screening.

CN224477511UActive Publication Date: 2026-07-10XIAMEN XINCHUANG AUTOMATION EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XIAMEN XINCHUANG AUTOMATION EQUIP CO LTD
Filing Date
2025-05-30
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

The existing screw conveyor device for screw making has unstable springs during vibration, causing the L-shaped slide bar to sway, the spacing to change, the screening to be unreliable, and small screws to be unable to adapt to the spacing of the screening components, making them easy to fall off.

Method used

The screening assembly consists of an L-shaped fixed rod and a sliding rod. The spacing between the sliding rods is adjusted through a worm gear transmission system to stabilize the conveying process. An accordion-style protective cover prevents impurities from entering and ensures the stability of the sliding rods. A storage box is also provided to collect small screws.

Benefits of technology

This improves the reliability and stability of screw screening, prevents small screws from falling out, and enhances the applicability and ease of use of the device.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224477511U_ABST
    Figure CN224477511U_ABST
Patent Text Reader

Abstract

The utility model relates to screw production device technical field, concretely is a screw machine with rotation spare part conveying device, including the L fixed link of conveying device main part upper setting, the bottom of conveying device main part is provided with the mounting bracket, the outer protective housing is provided with the rotating handle, beneficial effect is: the L fixed link and the sliding bar distance length difference respectively corresponded the screw thread part diameter of multiple models of screw, through screw rod drive drive sliding bar in device working process axle more stable relative to the prior art through spring and support L type sliding bar in the working process of conveying device main body will not appear vibration and lead to spring instability and further lead to the L type sliding bar shaking and further make the L type sliding bar between the interval change and lead to the phenomenon that screening is unreliable, the reliability is high, small specification screw cannot adapt to the interval of screening subassembly, and it will fall to the mounting bracket and settle to the storage box, will not fall to the ground, convenient for personnel to use.
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Description

Technical Field

[0001] This utility model relates to the technical field of screw production equipment, specifically to a screw machine component conveying device. Background Technology

[0002] Screw tightening machines, as precision small-scale mechanical devices that automate screw fastening, consist of two main core components: a feeding system and an electric screwdriver system. The feeding system, acting as the machine's "supply depot," uses sophisticated mechanical design and intelligent algorithms to automatically sort and organize randomly piled screws, delivering them one by one to designated workstations at a stable pace. The electric screwdriver system, like a precise "robotic arm," quickly completes the screw tightening operation according to a preset program. The close collaboration between these two systems greatly improves the efficiency and precision of screw assembly, making them widely used in the manufacturing of electronics, home appliances, and automotive parts. The most common "conversion parts" are screws of various specifications (such as Phillips head screws, hex socket head cap screws, and self-tapping screws).

[0003] In the prior art, a screw feeding device for a screw machine, with authorization announcement number CN220722468U, belongs to the field of screw machine technology. This screw feeding device includes a vibratory feeder and a retaining frame. One end of the vibratory feeder has a discharge port, and a conveying component is installed inside the discharge port. Multiple evenly distributed screening components are installed near the end of the conveying component, and multiple retention grooves are installed near the end of the retaining frame. Multiple screening components are installed on one side of the conveying component. Each screening component has a pair of drive rods, and the spacing between each pair of drive rods is different, increasing sequentially. When screws of various models pass over the conveying component, the corresponding screws fall into the corresponding screening components, completing automatic screening. This meets the processing needs of products requiring the installation of multiple screw models. The spacing between multiple pairs of drive rods is adjustable, making the device adaptable to more screw models and more different specifications of products, improving the device's adaptability and functionality.

[0004] However, the above-mentioned conveying device supports the L-shaped slide rods with springs. During the operation of the main body of the conveying device, vibration causes the springs to become unstable, which in turn causes the L-shaped slide rods to sway, resulting in changes in the spacing between the L-shaped slide rods and unreliable screening. The device has low reliability. Furthermore, when the pre-screening device is full of small-sized screws, the remaining small-sized screws will continue to move to the next screening component pair. The small-sized screws cannot adapt to the spacing of the next screening component and will fall to the ground, which is inconvenient for personnel to use. Therefore, we propose a screw machine component conveying device to solve the problems mentioned above. Utility Model Content

[0005] The purpose of this utility model is to provide a conveying device for rotating parts of a screw machine, so as to solve the problems of the existing conveying devices for rotating parts of screw machines mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a screw machine parts conveying device, including an L-shaped fixing rod on the main body of the conveying device, the other end of the L-shaped fixing rod being connected to a retaining frame, and a mounting frame being provided at the bottom of the main body of the conveying device, with a storage box provided on the mounting frame;

[0007] The outer protective shell has a rotating handle, which is connected to the worm gear. The worm gear meshes with the worm wheel, the worm wheel is connected to the screw, the screw is connected to the connecting plate, and the other end of the connecting plate is connected to the slide rod.

[0008] Preferably, the sliding rod-shaped circular rod structure has the sliding rod fixedly connected to the connecting plate, the connecting plate having an "L"-shaped plate structure, one end of the connecting plate being disposed inside the outer protective shell, and the connecting plate being able to slide along the inner side of the outer protective shell.

[0009] Preferably, the threaded hole on the connecting plate is threadedly connected to the screw, and a bellows-style protective cover is fixedly installed on the side of the connecting plate, with the other end of the bellows-style protective cover fixedly installed on the outer protective shell.

[0010] Preferably, an L-shaped fixing rod is fixedly connected to the outer protective shell, and the other end of the L-shaped fixing rod is fixedly connected to the outer protective shell to the retention frame. The outer protective shell is fixedly installed on the main body of the conveying device, and an installation frame is fixedly installed on the main body of the conveying device. A detachable storage box is provided inside the installation frame.

[0011] Preferably, one end of the screw is rotatably connected to the outer protective shell via a shaft, and the other end of the screw is fixedly connected to a worm gear. The worm gear meshes with the worm for transmission. The worm is fixedly connected to one end of the rotating handle, and the rotating handle is rotatably connected to the outer protective shell.

[0012] Preferably, a sliding plate is fixedly connected to the sliding rod. The sliding plate has an "L"-shaped plate structure, and the other end of the sliding plate is engaged in a groove opened in the fixed plate fixedly connected to the L-shaped fixed rod. The sliding plate can slide along the groove, which has a square groove structure.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The screw conveyor device proposed in this utility model features an L-shaped fixed rod and a sliding rod with different distances corresponding to the thread diameters of various screw models. The sliding rod is driven by a screw drive, resulting in greater stability during operation. Compared to existing technologies that use springs to support the L-shaped sliding rod, this device avoids the instability caused by vibrations in the main body of the conveyor, which can lead to wobbling of the L-shaped sliding rod and changes in the spacing between the sliding rods, thus preventing unreliable screening. This device offers high reliability. Small screws that cannot adapt to the spacing of the screening components will fall onto the mounting frame and be placed in a storage box, preventing them from falling to the ground and facilitating user operation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the device of this utility model;

[0016] Figure 2 for Figure 1 Enlarged structural diagram at point A in the middle;

[0017] Figure 3 This is a partial structural schematic diagram of the device of this utility model;

[0018] Figure 4 for Figure 3 Enlarged structural diagram at point B;

[0019] Figure 5 for Figure 3 Enlarged structural diagram at point C.

[0020] In the diagram: 1. Conveying device body; 2. Retention frame; 3. Outer protective shell; 4. Bellows-style protective cover; 5. Rotating handle; 6. L-shaped fixed rod; 7. Worm gear; 8. Worm wheel; 9. Screw; 10. Connecting plate; 11. Slide rod; 12. Sliding plate; 13. Fixed plate; 14. Slide groove; 15. Mounting frame; 16. Storage box. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Please see Figure 1-5 The present invention provides an embodiment of a screw machine parts conveying device, comprising an L-shaped fixing rod 6 on a conveying device body 1, the other end of which is connected to a retaining frame 2; a mounting frame 15 at the bottom of the conveying device body 1, on which a storage box 16 is mounted; an outer protective shell 3, on which a rotating handle 5 is mounted, the rotating handle 5 being connected to a worm gear 7; the worm gear 7 meshing with a worm wheel 8; the worm wheel 8 being connected to a screw 9; the screw 9 being connected to a connecting plate 10; and the other end of the connecting plate 10 being connected to a sliding rod 11.

[0023] In actual use, the operator can rotate the handle 5 to rotate the worm 7. The worm 7 meshes with the worm wheel 8, which in turn rotates the worm wheel 8 and the screw 9. The screw 9 rotates along the threaded hole on the connecting plate 10, which allows the connecting plate 10 and the slide rod 11 to slide along the outer protective shell 3. This changes the distance between the L-fixed rod 6 and the slide rod 11. The L-fixed rod 6 and the slide rod 11 together form a screening assembly. The different distances between the L-fixed rod 6 and the slide rod 11 correspond to the diameter of the threaded parts of various screw models, thus enabling the screening of screws.

[0024] Example 2

[0025] To improve the reliability of the device, a screw 9 is provided based on Embodiment 1. One end of the screw 9 is rotatably connected to the outer protective shell 3 via a shaft, and the other end of the screw 9 is fixedly connected to a worm gear 8. The worm gear 8 meshes with the worm 7 for transmission. The worm 7 is fixedly connected to a rotating handle 5 at one end, and the rotating handle 5 is rotatably connected to the outer protective shell 3. The screw 9 is fixedly connected to the inner side of the outer protective shell 3 via a shaft, and the middle rotatable part of the bearing is fixedly connected. Personnel can rotate the rotating handle 5 to rotate the worm 7. The worm 7 meshes with the worm gear 8 for transmission, and the worm gear 8 and the screw 9 can rotate in this way.

[0026] The slide rod 11 is a circular rod-shaped structure, fixedly connected to the connecting plate 10. The connecting plate 10 has an "L"-shaped plate structure, with one end set inside the outer protective shell 3. The connecting plate 10 can slide along the outer protective shell 3. The screw 9 rotates along the threaded hole on the connecting plate 10, allowing the connecting plate 10 and the slide rod 11 to slide along the outer protective shell 3, thus changing the distance between the L-fixed rod 6 and the slide rod 11. The L-fixed rod 6, together with the slide rod 11, forms a screening assembly. The different distances between the L-fixed rod 6 and the slide rod 11 correspond to the thread diameters of multiple screw models. Furthermore, the distances between multiple pairs of L-fixed rods 6 and the slide rod 11 increase sequentially from their arrangement positions. This arrangement allows for the screening of multiple different screw models. When the wire passes from the main body 1 of the conveying device to the conveying mechanism, the smallest screw will fall into the first L-shaped fixed rod 6 and slide rod 11 to form a screening assembly. Screws larger than this size will slide directly over the first screening assembly and will fall into the corresponding screening assembly. The screw moves to the retention rack 2 and is removed by the extraction mechanism. The screening function is achieved through the above. The slide rod 11 is driven by the screw 9, which makes the shaft more stable during the operation of the device. Compared with the existing technology that uses springs to support the L-shaped slide column, the vibration of the main body 1 of the conveying device during operation will not cause the spring to become unstable, which will cause the L-shaped slide column to shake and change the spacing between the L-shaped slide columns. The reliability is high.

[0027] An L-shaped fixing rod 6 is fixedly connected to the outer protective shell 3. The other end of the L-shaped fixing rod 6 is fixedly connected to the retention frame 2 on the outer protective shell 3. The outer protective shell 3 is fixedly installed on the main body 1 of the conveying device. An installation frame 15 is fixedly installed on the main body 1 of the conveying device. A detachable storage box 16 is set inside the installation frame 15. By means of this setting, when the first L-shaped fixing rod 6 and the slide rod 11 form a screening assembly and are filled with small-sized screws, the remaining small-sized screws will continue to move to the next L-shaped fixing rod 6 and the slide rod 11 to form a screening assembly. If the small-sized screws cannot fit the spacing of the next L-shaped fixing rod 6 and the slide rod 11 to form a screening assembly, they will fall onto the installation frame 15 and be placed in the storage box 16. They will not fall to the ground and are convenient for personnel to use.

[0028] Example 3

[0029] Based on Embodiment 2, a connecting plate 10 is provided to improve the performance of the device. The threaded hole on the connecting plate 10 is threadedly connected to the screw 9. A bellows-type protective cover 4 is fixedly installed on the side of the connecting plate 10. The other end of the bellows-type protective cover 4 is fixedly installed on the outer protective shell 3. By setting the bellows-type protective cover 4 on the outer protective shell 3, impurities can be prevented from entering the outer protective shell 3 and adhering to the screw 9, worm gear 8 and worm 7, affecting their transmission and improving the reliability of the device.

[0030] A sliding plate 12 is fixedly connected to the sliding rod 11. The sliding plate 12 has an "L"-shaped plate structure. The other end of the sliding plate 12 is locked in a groove 14 opened on the fixed plate 13 fixedly connected to the L fixed rod 6. The sliding plate 12 can slide along the groove 14. The groove 14 has a square groove structure. The fixed plate 13 fixedly connected to the L fixed rod 6 is fixedly connected to one end of the retention frame 2. By setting the sliding plate 12 fixedly connected to the sliding rod 11 to be locked in the groove 14 opened on the fixed plate 13, the stability of the sliding rod 11 at the retention frame 2 can be enhanced, and the overall stability of the sliding rod 11 can be improved.

[0031] Working principle: In actual use, the different distances between the L-shaped fixing rod 6 and the sliding rod 11 correspond to the thread diameters of various screw models. The sliding rod 11 is driven by the screw 9, making the shaft more stable during the operation of the device. Compared with the existing technology that uses springs to support the L-shaped sliding column, the vibration of the main body 1 during the operation of the conveying device will not cause the spring to become unstable, resulting in the L-shaped sliding column shaking and changes in the spacing between the L-shaped sliding columns, which would lead to unreliable screening. The reliability is high. Small-sized screws cannot adapt to the spacing of the screening components and will fall onto the mounting frame 15 and be placed in the storage box 16, preventing them from falling to the ground and facilitating personnel use.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A screw machine parts conveying device, comprising an L-shaped fixing rod (6) mounted on a conveying device body (1), the other end of which is connected to a retaining frame (2), characterized in that: The bottom of the main body (1) of the conveying device is provided with a mounting frame (15), and a storage box (16) is provided on the mounting frame (15). The outer protective shell (3) is provided with a rotating handle (5). The rotating handle (5) is connected to the worm (7). The worm (7) meshes with the worm wheel (8). The worm wheel (8) is connected to the screw (9). The screw (9) is connected to the connecting plate (10). The other part of the connecting plate (10) is connected to the slide rod (11).

2. The screw machine component conveying device according to claim 1, characterized in that: The slide rod (11) is a circular rod structure. The slide rod (11) is fixedly connected to the connecting plate (10). The connecting plate (10) is an "L" shaped plate structure. One end of the connecting plate (10) is set inside the outer protective shell (3). The connecting plate (10) can slide along the inner side of the outer protective shell (3).

3. The screw machine component conveying device according to claim 1, characterized in that: The threaded hole on the connecting plate (10) is threadedly connected to the screw (9). A bellows-style protective cover (4) is fixedly installed on the side of the connecting plate (10), and the other end of the bellows-style protective cover (4) is fixedly installed on the outer protective shell (3).

4. The screw machine component conveying device according to claim 1, characterized in that: An L-fixed rod (6) is fixedly connected to the outer protective shell (3). The other end of the L-fixed rod (6) is fixedly connected to the retention frame (2) on the outer protective shell (3). The outer protective shell (3) is fixedly installed on the main body (1) of the conveying device. An installation frame (15) is fixedly installed on the main body (1) of the conveying device. A detachable storage box (16) is provided inside the installation frame (15).

5. The screw machine component conveying device according to claim 1, characterized in that: One end of the screw (9) is rotatably connected to the outer protective shell (3) via a shaft, and the other end of the screw (9) is fixedly connected to a worm wheel (8). The worm wheel (8) meshes with the worm (7) for transmission. The worm (7) is fixedly connected to one end of the rotating handle (5), and the rotating handle (5) is rotatably connected to the outer protective shell (3).

6. The screw machine component conveying device according to claim 1, characterized in that: A sliding plate (12) is fixedly connected to the sliding rod (11). The sliding plate (12) has an "L" shaped plate structure. The other end of the sliding plate (12) is stuck in the groove (14) opened on the fixed plate (13) fixedly connected to the L fixed rod (6). The sliding plate (12) can slide along the groove (14). The groove (14) has a square groove structure.