A screw continuous feeder

Abstract

The utility model belongs to screw supply technology field provides a kind of screw continuous feeder, the screw continuous feeder includes base, the base is equipped with bunker, linear vibration feeder respectively in front and back, linear vibration feeder is equipped with screw track on the outlet of opposite bunker, the bottom of bunker is opened and has bottom, the bottom is equipped with arc top material seat in, the base is equipped with for driving top material seat up and down moves feeding assembly, the feeding assembly includes swing arm rotationally installed on base, the lower end of swing arm is fixedly connected with top material seat, swing arm is opened and has guide slot, the base is also equipped with motor bracket, and motor bracket is equipped with a pair of belt pulley up and down. The utility model aims at providing a kind of screw continuous feeder, to solve the existing screw feeder's poking action more for independent drive, cannot form cooperation with the up and down movement of top material seat, lead to the inaccurate problem of screw push time.

Description

Technical Field

[0001] This utility model belongs to the field of screw feeding technology, and in particular relates to a continuous screw feeding machine. Background Technology

[0002] In modern industrial production, screws, as basic fasteners, are widely used in automated assembly processes in fields such as electronics, machinery, and furniture. The stability and efficiency of screw feeding equipment directly affect the overall production line's capacity and yield. Traditional screw feeders typically use methods such as vibratory feeders, gravity slides, or simple mechanical actuation to achieve feeding.

[0003] However, in practical applications, there are the following significant drawbacks: on the one hand, existing feeding equipment relies on single vibration or gravity drive, and screws are prone to jamming at the outlet of the hopper due to accumulation and chaotic posture;

[0004] On the other hand, the linkage between the toggle component and the feeding component is insufficient. The toggle action of traditional equipment is mostly driven independently and cannot be coordinated with the up and down movement of the top material seat, resulting in inaccurate screw pushing timing and easy collision or positioning deviation. Utility Model Content

[0005] In view of the above problems, the purpose of this utility model is to provide a continuous screw feeder, which aims to solve the problem that the tossing action of the existing screw feeder is mostly driven independently and cannot be coordinated with the up and down movement of the top material seat, resulting in inaccurate screw pushing timing and easy collision or positioning deviation.

[0006] The present invention adopts the following technical solution:

[0007] The continuous screw feeder includes a base, with a hopper and a linear vibrating feeder respectively located at the front and rear of the base. A screw track is provided on the linear vibrating feeder facing the outlet of the hopper. The bottom of the hopper has an opening, and an arc-shaped top material seat is located within the opening. A feeding assembly for driving the top material seat up and down is provided on the base. The feeding assembly includes a swing arm rotatably mounted on the base, with its lower end fixedly connected to the top material seat. A guide groove is provided on the swing arm. A motor frame is also provided on the base, with a pair of upper and lower pulleys on the motor frame. A belt is fitted between the pulleys. A swing seat is located on the shaft of the upper pulley, and a swing wheel rotatably mounted on the swing seat, located within the guide groove. A feeding motor is provided on the motor frame, driving the lower pulley to rotate. A toggle assembly is also provided on the base facing the top material seat.

[0008] Furthermore, the actuating assembly includes an actuating seat with a sliding groove inside. An actuating rod that moves back and forth is provided in the sliding groove. The front end of the actuating rod is provided with a connector, and the rear end is limited and installed on the rear side of the actuating seat. The connector is provided with an actuating head facing downward and towards the top material seat. A spring is provided on the actuating rod between the connector and the actuating seat.

[0009] Furthermore, a toggle plate is rotatably provided on the base, the toggle plate is close to and located above the side of the swing arm, a short groove is opened above the toggle plate, a long groove communicating with the sliding groove is opened on the side wall of the toggle seat, and a lifting rod is provided on the toggle rod, the lifting rod passes through the long groove and is located in the short groove.

[0010] Furthermore, a push wheel is rotatably provided below the actuating plate, and a protrusion is integrally formed on the swing arm opposite the push wheel. When the swing arm swings, the protrusion pushes the push wheel to make the actuating plate rotate around the axis.

[0011] Furthermore, the top of the top material seat is higher in the front and lower in the back.

[0012] The beneficial effects of this utility model are:

[0013] 1. This device uses a feeding motor to drive a pulley-swing wheel mechanism to achieve the periodic up-and-down movement of the top material seat, ejecting one or a small number of screws each time, thus avoiding blockage of the hopper outlet.

[0014] 2. The inclined design of the top support, which is higher in the front and lower in the back, utilizes the screw's own weight to naturally adjust it to a forward-facing position during the ejection process. Combined with the precise pushing of the toggle head, this ensures that the screw enters the track in the correct posture.

[0015] 3. The protrusion of the swing arm and the push wheel of the actuating plate form a mechanical linkage, so that the actuating action and the material lifting action are synchronized. No additional drive device is required, the structure is compact and the energy consumption is low. Attached Figure Description

[0016] Figure 1 This utility model provides an overall drawing of a continuous screw feeder.

[0017] Figure 2 This utility model provides a schematic diagram of the swing arm installation.

[0018] Figure 3 This utility model provides a schematic diagram of a toggle assembly. Figure 1 .

[0019] Figure 4 This utility model provides a schematic diagram of a toggle assembly. Figure 2 . Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model patent clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model.

[0021] To illustrate the technical solution described in this utility model, specific embodiments are described below.

[0022] For ease of explanation, only the parts relevant to the embodiments of this utility model are shown.

[0023] Combination Figure 1-4 As shown, the continuous screw feeder includes a base 1, with a hopper 2 and a linear vibrating feeder 3 respectively located at the front and rear of the base 1. A screw track 4 is provided on the linear vibrating feeder 3 facing the outlet of the hopper 2. The bottom of the hopper 2 has a bottom opening, and an arc-shaped top material seat 5 is provided inside the bottom opening. The base 1 is provided with a feeding assembly for driving the top material seat 5 to move up and down.

[0024] The feeding assembly includes a swing arm 6 rotatably mounted on a base 1. The lower end of the swing arm 6 is fixedly connected to a top material seat 5. A guide groove 7 is provided on the swing arm 6. A motor frame 8 is also provided on the base 1. A pair of upper and lower pulleys 9 are provided on the motor frame 8. A belt 10 is sleeved between the pulleys 9. A swing seat 11 is provided on the shaft of the upper pulley. A swing wheel 12 is rotatably mounted on the swing seat 11. The swing wheel 12 is located in the guide groove 7. A feeding motor 13 is provided on the motor frame 8. The feeding motor 13 drives the lower pulley to rotate. A toggle assembly is also provided on the base 1 facing the top material seat 5.

[0025] In operation, a certain number of screws are placed into the hopper. The feeding motor starts, and the lower pulley drives the upper pulley to rotate, causing the swing wheel to move within the guide groove. The swing wheel pushes the swing arm downwards, causing the top material seat to move downwards as well. The screws in the hopper fall into the bottom opening due to gravity and stack on the inclined surface of the top material seat. The swing wheel continues to rotate, and the swing arm swings upwards until it returns to its original position. The top material seat rises to its highest position, lifting the top layer of screws to the same height as the screw track. Because the top surface of the top material seat is an inclined surface that is higher in the front and lower in the back, the screws slide along the inclined surface during the ascent, automatically adjusting to a head-up, tail-down orientation.

[0026] During the above process, after the swing arm resets, the screw located on the inclined surface of the top material holder can be moved onto the screw track by the actuating component. Subsequently, the linear vibrating feeder starts, conveying the screw to the assembly station. The feeding motor runs continuously, and the top material holder and the actuating component move periodically according to the above process, realizing continuous and precise screw feeding.

[0027] As a specific structure, such as Figure 3-4The actuating assembly includes an actuating seat 14, which has a sliding groove. An actuating rod 15 that moves back and forth is provided in the sliding groove. The front end of the actuating rod 15 is provided with a connector 16, and the rear end is limited and installed on the rear side of the actuating seat 14. The connector 16 is downward and facing the top material seat 5, and an actuating head 17 is provided on the actuating rod 15 between the connector 16 and the actuating seat.

[0028] The swing arm resets, and the top support rises to its highest position. The actuating head is located on the front side of the screw on the inclined surface of the top support. The actuating lever first moves backward in the groove, compressing the spring. Then, the actuating head pushes the screw on the top support onto the screw track. After pushing is complete, the actuating lever resets under the restoring force of the spring.

[0029] In this structure, such as Figure 1-2 A toggle plate 19 is rotatably mounted on the base, positioned near and above the swing arm 6. A short groove 20 is formed above the toggle plate 19, and a long groove 21 communicating with a sliding groove is formed on the rear side wall of the toggle base. A lifting rod 22 is mounted on the toggle lever 15, extending through the long groove 21 and located within the short groove 20. A push wheel 23 is rotatably mounted below the toggle plate 19. A protrusion 24 is integrally formed on the swing arm 6 opposite the push wheel. When the swing arm swings, the protrusion 24 pushes the push wheel, causing the toggle plate 19 to rotate around its axis.

[0030] The swing arm rotates upward and resets, raising the top material seat to its highest position. During this process, the swing arm pushes the push wheel via the protrusion, causing the top of the actuating plate to rotate backward. This pulls the lifting rod backward through the short groove on the actuating plate, causing the actuating rod to compress the spring and move backward. When the top material seat reaches its highest position and the screw is aligned with the track, the actuating rod moves backward, pushing the screw onto the track. Immediately afterwards, the top material seat rotates downward, the protrusion separates from the push wheel, and the restoring force of the spring pushes the actuating rod forward, resetting it to the initial position.

[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A continuous screw feeder, characterized in that: The continuous screw feeder includes a base, with a hopper and a linear vibrating feeder respectively located at the front and rear of the base. A screw track is provided on the linear vibrating feeder facing the outlet of the hopper. The bottom of the hopper has an opening, and an arc-shaped top material seat is located within the opening. A feeding assembly for driving the top material seat up and down is provided on the base. The feeding assembly includes a swing arm rotatably mounted on the base, with its lower end fixedly connected to the top material seat. A guide groove is provided on the swing arm. A motor frame is also provided on the base, with a pair of upper and lower pulleys on the motor frame. A belt is fitted between the pulleys. A swing seat is located on the shaft of the upper pulley, and a swing wheel rotatably mounted on the swing seat, located within the guide groove. A feeding motor is provided on the motor frame, driving the lower pulley to rotate. A toggle assembly is also provided on the base facing the top material seat.

2. The screw continuous feeder as described in claim 1, characterized in that: The actuating assembly includes an actuating seat with a sliding groove inside. An actuating rod that moves back and forth is provided in the sliding groove. The front end of the actuating rod is provided with a connector, and the rear end is limited and installed on the rear side of the actuating seat. The connector is facing downward and is provided with an actuating head facing the top material seat. A spring is provided on the actuating rod between the connector and the actuating seat.

3. The screw continuous feeder as described in claim 2, characterized in that: The base is rotatably equipped with a toggle plate, which is close to and located above the side of the swing arm. A short groove is opened above the toggle plate, and a long groove communicating with the sliding groove is opened on the side wall of the toggle seat. A lifting rod is provided on the toggle rod, which passes through the long groove and is located in the short groove.

4. The screw continuous feeder as described in claim 3, characterized in that: A push wheel is rotatably provided below the actuating plate, and a protrusion is integrally formed on the swing arm opposite the push wheel. When the swing arm swings, the protrusion pushes the push wheel to make the actuating plate rotate around the axis.

5. The screw continuous feeder as described in claim 4, characterized in that: The top of the top material seat is higher in the front and lower in the back.

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