CN219581592U

CN219581592U - Directional screening conveying mechanism of rivet

Info

Publication number: CN219581592U
Application number: CN202321351953.3U
Authority: CN
Inventors: 朱根峰; 易延良
Original assignee: Hongzhan Industrial Technology Zhejiang Co ltd
Current assignee: Hongzhan Industrial Technology Zhejiang Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-08-25
Anticipated expiration: 2033-05-30

Abstract

The utility model relates to a rivet directional screening and conveying mechanism. It has solved the unreasonable technical problem of current riveter design. The directional screening conveying mechanism of rivet includes: the upper end of the rack is provided with a feeding hopper which is vertically arranged, and both ends of the rack are provided with openings; the directional feeding device comprises a mounting groove arranged on one side of the frame and communicated with an opening at the bottom of the feeding hopper, a rotary drum which is rotationally connected in the mounting groove and is sealed on the outer side of the mounting groove, one end of the rotary drum is embedded into the mounting groove and is provided with an annular groove with the inner wall of the mounting groove, one end edge of the rotary drum, which is close to the mounting groove, is provided with a circular distribution strip-shaped groove which radially penetrates through the rotary drum, and stirring convex parts are arranged on the inner wall of one end of the rotary drum, which is close to the mounting groove, at intervals between the strip-shaped grooves. The rivet directional screening conveying mechanism has the advantages that the whole directional screening process is stable and reliable, the materials are not easy to clamp, and the directional positioning efficiency of the rivets is improved.

Description

Directional screening conveying mechanism of rivet

Technical Field

The utility model belongs to the field of riveting machines, and relates to a rivet directional screening and conveying mechanism.

Background

Riveting machines (also called as riveter, spin riveter, rolling riveter, etc.) are novel riveting equipment developed according to the cold rolling principle, namely mechanical equipment capable of riveting articles by rivets. The device has compact structure, stable performance and convenient and safe operation.

For example, chinese patent literature discloses an automatic rotary feeding corn machine [201320409102.X ], which comprises a frame, wherein a main shaft and a lower die are installed on the frame, an upper die is installed at the lower end of the main shaft, a feed box is installed outside the frame, a brush installation block installed through a bearing is arranged at the end part of a handle mandrel positioned in the feed box, a brush is installed on the brush installation block, a feeding motor is fixedly installed on the outer surface of the feed box, a motor shaft of the feeding motor is connected with the brush installation block, and the feeding motor is connected with a control device through a circuit. The corn machine is one of the riveting machines, the rotary drum in the corn machine independently depends on rolling stirring of the rotary drum, stirring operation for the head end and the tail end of the rivet is lacked, and meanwhile, the stirring amplitude of the rivet is small, so that the efficiency of the rivet entering a positioning structure is poor.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a rivet directional screening and conveying mechanism.

The aim of the utility model can be achieved by the following technical scheme:

the directional screening conveying mechanism of rivet includes:

the upper end of the rack is provided with a feeding hopper which is vertically arranged, and both ends of the rack are provided with openings;

the fixed feeding device comprises a mounting groove which is arranged on one side of the frame and the upper end of which is communicated with the bottom opening of the feeding hopper, a rotary drum which is rotatably connected in the mounting groove and the outer side of which is closed, one end of the rotary drum is embedded into the mounting groove and is provided with an annular groove with the inner wall of the mounting groove, the edge of one end of the rotary drum, which is close to the mounting groove, is provided with a strip-shaped groove which is circumferentially distributed on the rotary drum and radially penetrates through the rotary drum, and stirring convex parts are arranged at intervals between the strip-shaped grooves, which are close to the inner wall of one end of the mounting groove;

and the blanking channel is connected to the bottom of the mounting groove and communicated with the limit groove and the strip-shaped groove.

Further, the feeding hopper is arranged on one side of the frame away from the rotary cylinder, and an inclined feeding surface is arranged on one side of the feeding hopper away from the rotary cylinder.

Further, the inner wall of the rotary cylinder is inclined, and the inner diameter of the rotary cylinder is gradually increased inwards in the axial direction.

Further, the internal section of the blanking channel is T-shaped, and one side of the blanking channel is provided with a strip-shaped guide opening for the rivet end to penetrate out.

Further, the blanking channel is arranged at the rear end of the rotating direction of the rotating cylinder, and an included angle alpha formed between the blanking channel and the lowest point of the rotating cylinder is an acute angle.

Further, a rotary driving mechanism is arranged on the frame, and a rotating shaft which penetrates through the frame and is rotationally connected with the rotary cylinder is arranged on the rotary driving mechanism.

Further, the radial length of the slot is greater than the maximum outer diameter of a single rivet.

Further, vibrators are arranged on two sides of the feeding hopper.

Compared with the prior art, the rivet directional screening conveying mechanism has the advantages that the annular groove and the strip-shaped groove are formed in the edge of the rotary cylinder to position rivets successively, the whole directional screening process is stable and reliable, materials are not easy to clamp, the stirring convex part is arranged to enable reverse rivet contact to increase the overturning amplitude of the rivets more easily, the required steering angle of the rivets is completed in the stirring process, and the directional positioning efficiency of the rivets is improved.

Drawings

Fig. 1 is a schematic structural view of a rivet directional screening conveying mechanism provided by the utility model.

Fig. 2 is a schematic side cross-sectional view of the directional feeder of the rivet directional screening conveyor of fig. 1.

Fig. 3 is a schematic front cross-sectional view of the directional feeder of the rivet directional screening conveyor of fig. 1.

Fig. 4 is a schematic cross-sectional view of a blanking passage provided in the rivet directional screening conveying mechanism of fig. 1.

In the figure, 10, a rack; 11. feeding a hopper; 12. tilting the feeding surface; 13. a vibrator; 20. a feeding device is positioned; 21. a mounting groove; 22. a rotary drum; 23. an annular groove; 24. a bar-shaped groove; 25. a stirring protrusion; 26. a rotary driving mechanism; 27. a rotating shaft; 30. a blanking channel; 31. a strip-shaped guiding opening.

Detailed Description

Example 1

Please refer to fig. 1 to fig. 4, which are schematic structural diagrams of a rivet directional screening and conveying mechanism provided by the present utility model. This directional screening conveying mechanism of rivet includes: the feeding device comprises a frame 10, a feeding hopper 11 arranged on the frame 10, a directional feeding device 20 arranged on one side of the frame 10, and a discharging channel 30 arranged at the lower end of the frame 10. It is contemplated that the rivet directional screening and transporting mechanism further includes other functional components and specific mechanisms, such as electrical connection components, control components, mounting structures, etc., which are well known to those skilled in the art and will not be described in detail herein.

The frame 10 serves as a mounting carrier to facilitate assembly of the components.

The upper end of board is equipped with vertical setting feeding funnel 11, and feeding funnel 11 is upper end lower narrow structure, and the upper end is rivet feeding opening, and lower extreme intercommunication orientation loading attachment 20, and the rivet passes through feeding funnel 11 direction and gets into orientation loading attachment 20 hold the chamber in to set up in frame 10 one side of keeping away from orientation loading attachment 20, avoid rivet feeding process and location loading attachment's revolution mechanic and rotatory section of thick bamboo 22 to take place to interfere. The side of the feeding hopper 11 far away from the rotary drum 22 is provided with an inclined feeding surface 12, so that rivet feeding guidance is increased, and the profiling positioning area close to the rivet when the rivet enters the positioning feeding device is facilitated.

The both sides of material loading hopper 11 are equipped with vibrator 13, and vibrator 13 can produce high frequency vibration, drives the synchronous vibration of rivet in the material loading hopper 11, avoids batch material loading's rivet to be located material loading hopper 11 bottom and appears clamping the material problem.

The directional feeding device 20 comprises a mounting groove 21 arranged on one side of the frame 10, the upper end of the mounting groove is communicated with the bottom opening of the feeding hopper 11, a rotary drum 22 which is rotatably connected in the mounting groove 21 and is closed at the outer side of the mounting groove, and rivets enter a feeding containing cavity formed by the inner wall of the mounting groove 21 and the periphery of the rotary groove from the feeding hopper 11.

The frame 10 is provided with a rotation driving mechanism 26, in this embodiment, the rotation driving mechanism 26 is a servo motor, and can control the rotation of the rotary drum 22, the rotation driving mechanism 26 is provided with a rotating shaft 27 penetrating through the frame 10 and rotationally connected with the rotary drum 22, and the frame 10 is provided with a bearing and other structures rotating in cooperation with the rotating shaft 27. The rotary driving mechanism 26 drives the rotary drum 22 and the frame 10 to rotate relatively, and synchronously drives the rivets in the rotary drum 22 to stir in a rolling way.

One end of the rotary cylinder 22 is embedded into the mounting groove 21 and is in clearance with the inner wall of the mounting groove 21 to form an annular groove 23, the annular groove 23 is used for positioning and embedding of a rivet cap end, the edge of one end of the rotary cylinder 22, which is close to the mounting groove 21, is provided with strip-shaped grooves 24 which are circumferentially distributed on the rotary cylinder 22 and radially penetrate through the rotary cylinder, and the strip-shaped grooves 24 are used for positioning and embedding of rivet segments. It is conceivable that during the rotation of the rotary drum 22, the rivet with the cap end facing the side of the mounting groove 21 is relatively easy to be embedded into the annular groove 23 to form preliminary positioning, then the rivet section enters the strip-shaped groove 24 and the rivet cap end is sunk and positioned in the annular groove 23 by the rotation of the rotary drum 22, in this embodiment, the radial length of the strip-shaped groove 24 is larger than the maximum outer diameter of a single rivet, so that the rotary positioning of the single rivet is ensured to be completed in the single strip-shaped groove 24, and finally the rivet conveying process is achieved by the rotation of the rotary drum 22. The whole directional screening process is stable and reliable, and is not easy to clamp materials.

The inner wall of the rotary cylinder 22 is inclined, the inner diameter of the rotary cylinder 22 is gradually increased inwards in the axial direction, rivets entering the rotary cylinder 22 can be gathered in a rivet positioning area along the inner wall of the rotary cylinder 22 by means of self gravity, and directional screening of the rivets is facilitated.

The rotary drum 22 is close to the inner wall of one end of the mounting groove 21 and is provided with stirring convex parts 25 at intervals between the strip-shaped grooves 24, in the embodiment, the stirring convex parts 25 are of hemispherical structures, the interval between the stirring convex parts 25 and the mounting groove 21 is smaller than the length of a single rivet, when the cap end of the rivet, which faces away from one side of the mounting groove 21, contacts the stirring convex parts 25, the two convex structures contact more easily, the turning amplitude of the rivet is increased, the required turning angle of the rivet is completed in the stirring process, and the directional positioning efficiency of the rivet is improved.

The blanking channel 30 is connected to the bottom of the mounting groove 21 and is communicated with the limit groove, the bar-shaped groove 24 is communicated, the rivet which is directionally embedded into the end part of the rotary cylinder 22 is communicated with the blanking channel 30 when rotating to a set position along with the rotary cylinder 22, the rivet loses the side wall support of the mounting groove 21, and the blanking is completed along the blanking channel 30.

Specifically, the internal section of the blanking channel 30 is T-shaped, one side of the blanking channel 30 is provided with a strip-shaped guide opening 31 through which a rivet end passes, that is, a rivet enters the blanking channel 30, the rivet cap end is limited at the inner side of the blanking channel 30, the rivet section of the rivet extends out of the strip-shaped guide opening 31, the rivet slides down along the strip-shaped guide opening 31, and finally, a single rivet is discharged in a directional manner.

The blanking channel 30 is arranged at the rear end of the rotating direction of the rotating cylinder 22, an included angle alpha formed between the blanking channel 30 and the lowest point of the rotating cylinder 22 is an acute angle, and the position of the blanking channel 30 is designed, so that rivets which enter the blanking channel 30 are separated from a rivet group gathered at the bottom of the rotating cylinder 22, and blanking is not interfered by other rivets, so that the blanking is faster and more accurate.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a directional screening conveying mechanism of rivet, its characterized in that, directional screening conveying mechanism of rivet includes:

2. A rivet directional screening and conveying mechanism according to claim 1, in which the hopper is provided on a side of the frame remote from the rotary drum and on a side of the hopper remote from the rotary drum with an inclined feed surface.

3. A rivet directed screening and conveying mechanism according to claim 1, in which the inner wall of the rotary drum is inclined and the inner diameter of the rotary drum increases progressively axially inwardly.

4. The directional rivet screening and conveying mechanism according to claim 1, wherein the internal section of the blanking channel is T-shaped, and one side of the blanking channel is provided with a strip-shaped guide opening for a rivet end to penetrate.

5. A rivet directed screening and conveying mechanism according to claim 4, in which the blanking passage is provided at the rear end of the rotary drum in the direction of rotation and at an acute angle α to the lowest point of the rotary drum.

6. The directional rivet screening and conveying mechanism according to claim 1, wherein a rotary driving mechanism is arranged on the frame, and a rotating shaft penetrating through the frame and rotationally connected with the rotary cylinder is arranged on the rotary driving mechanism.

7. The rivet directed screen conveying mechanism of claim 1 wherein the radial length of the slot is greater than the maximum outer diameter of a single rivet.

8. The rivet directed screening and conveying mechanism as set forth in claim 1, wherein vibrators are provided on both sides of the upper hopper.