Machine-grain screw front and back recognition feeding structure

Abstract

The utility model discloses a machine-meter screw positive and negative recognition feeding structure which comprises a shell composed of a supporting plate made of a circular hollow material, a feeding hole integrally formed in the upper end of the interior of the supporting plate and a discharging hole integrally formed in the lower end of the interior of the supporting plate, the left side of the discharging hole is designed to be of an inclined face, and a feeding assembly is fixedly arranged at the upper end of the top of the supporting plate. A discharging assembly is fixedly arranged at the bottom of the supporting plate, and a driving assembly rotationally connected in the supporting plate can discharge screws in the feeding assembly into the discharging assembly. The front face and the back face of the screw can be adjusted without manual operation of workers, the working intensity and the working difficulty of the workers are reduced, and the production efficiency of a factory is improved. By means of the mechanical linkage type simplified design, when the front face and the back face of the screw are switched, the subsequently-supplied screw is in a temporary plugging state, then the situation that the subsequently-supplied screw influences operation of the screw with the front face and the back face being adjusted is avoided, and the stable effect that all the screws are fed in the same direction is improved.

Description

Technical Field

[0001] This utility model relates to the field of screw feeding technology, specifically a screw feeding structure for recognizing the front and back of a machine screw. Background Technology

[0002] Set screws, also known as set screws, locking screws, or top screws, are used in automatic screw fastening machines that require a continuous and stable screw supply during operation.

[0003] The feed screw has a flat surface on one side and a locking groove on the other. During feeding, it's impossible to ensure that all feed screws have the same side facing the same direction. In this case, workers need to manually switch the feed screws between the front and back sides to adjust their orientation. This adjustment method is time-consuming and labor-intensive, increasing the workload and difficulty for workers and reducing factory production efficiency. Therefore, this invention designs a feed screw front / back recognition structure to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a feeding structure for recognizing the front and back of a machine screw, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a screw feeding structure for identifying the front and back of a machine screw, comprising a housing composed of a circular hollow support plate, an integrally formed feeding hole at the upper end of the support plate, and an integrally formed discharge hole at the lower end of the support plate. The discharge hole has a sloping design on the left side. A feeding component is fixedly provided at the upper top of the support plate, and a discharge component is fixedly provided at the bottom of the support plate. A drive component connected inside the support plate can discharge the screw in the feeding component into the discharge component.

[0006] The feeding assembly includes a connecting sleeve fixed to the middle of the top of the support plate. An integrally formed mounting hole inside the connecting sleeve coincides with the feed hole, and the mounting hole is a through hole design. The discharging assembly includes a mounting sleeve fixed to the middle of the bottom of the support plate. An integrally formed clearance hole inside the mounting sleeve coincides with the discharge hole, and the clearance hole is a through hole design. The mounting sleeve and the connecting sleeve are coaxial in the longitudinal direction. The driving assembly includes a servo motor fixed to the middle of the rear end of the outer wall of the support plate. A rotor is fixed to the front end of the servo motor. A rotating shaft passes through a support plate, and the center of the rotating shaft is concentric with the center of the support plate. A circular plate inside the support plate is fixedly sleeved on the rotating shaft, and the center of the circular plate is concentric with the rotating shaft. A mounting pin is fixedly installed on the top center of the outer wall of the circular plate, and a micro switch is fixedly installed on the top of the mounting pin. A limiting sleeve is fixedly sleeved on the outside of the mounting pin, and an iron block is fixedly installed on the top left side of the limiting sleeve. A first metal sensor is fixedly installed on the right side inside the support plate. A stop bar is fixedly installed on the lower left side inside the support plate. A controller is fixedly installed on the left side of the outer wall of the support plate.

[0007] Furthermore, the support plate, limiting sleeve, circular plate, and mounting pin are all made of non-metallic materials to prevent the first metal sensor from being mistakenly activated.

[0008] Furthermore, a second metal sensor is fixedly inserted through the lower left end of the inner side of the limiting sleeve, and a third metal sensor is fixedly installed at the top and bottom of the inner side of the support plate.

[0009] Furthermore, the arc-shaped plate fixed on the left side of the outer wall of the limiting sleeve is made of non-metallic material, and the center of the arc-shaped plate is concentric with the circle of the support plate.

[0010] Furthermore, the material discharge hole integrally formed on the right side of the inner side of the limiting sleeve is a through hole design, and the inner depth of the limiting sleeve is consistent with the length of the screw.

[0011] Furthermore, the top surface of the mounting pin is higher than the bottom surface inside the limiting sleeve, meaning that the end of the mounting pin away from the circular plate is inside the limiting sleeve.

[0012] Furthermore, the controller is electrically connected to an external power source via a wire, and is also electrically connected to a servo motor, a first metal sensor, a second metal sensor, and a third metal sensor.

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

[0014] 1. This utility model can adjust the front and back of the screws without manual intervention, so that the orientation of all screws during the feeding process meets the needs of the workers. Therefore, by using the device in this application, not only is the workload and difficulty of the workers reduced, but the production efficiency of the factory is also improved.

[0015] 2. This utility model, through a simplified mechanical linkage design, ensures that when the screw is switched between the front and back sides, the subsequent screw supply is temporarily blocked, thereby preventing the subsequent screw supply from affecting the operation of the screw being adjusted between the front and back sides. This not only ensures that the feeding direction of each screw can meet the needs of the workers, but also improves the stability of feeding all screws in the same direction. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a front sectional view of a feeding structure for recognizing the front and back of a nut screw according to this utility model.

[0018] Figure 2 This is a front view of a feeding structure for recognizing the front and back of a nut screw according to this utility model.

[0019] Figure 3 This is an enlarged sectional view of the inside of the limiting sleeve;

[0020] Figure 4 This is a top sectional view of the support plate.

[0021] Figure 5 This is a top view of the inside of the limiting sleeve.

[0022] The attached diagram lists the components represented by each number as follows:

[0023] 1-Support plate, 2-Feed hole, 3-Discharge hole, 4-Feeding assembly, 5-Discharge assembly, 6-Drive assembly, 401-Connecting sleeve, 402-Mounting hole, 501-Mounting sleeve, 502-Leaning hole, 601-Servo motor, 602-Rotating shaft, 603-Circular plate, 604-Mounting pin, 605-Micro switch, 606-Limit sleeve, 607-Iron block, 608-First metal sensor, 609-Stop bar, 610-Controller, 7-Second metal sensor, 8-Third metal sensor, 9-Arc plate, 10-Discharge hole. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model. Example 1

[0025] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, this device consists of a housing composed of a circular hollow support plate 1, an integrated feed hole 2 at the upper end of the support plate 1, and an integrated discharge hole 3 at the lower end of the support plate 1. The discharge hole 3 has a sloping design on the left side. A feeding assembly 4 is fixedly installed at the upper top of the support plate 1, and a discharge assembly 5 is fixedly installed at the bottom of the support plate 1. A drive assembly 6 is connected inside the support plate 1, which can discharge the screws in the feeding assembly 4 into the discharge assembly 5.

[0026] The feeding assembly 4 includes a connecting sleeve 401 fixed to the middle of the top of the support plate 1. An integrally formed mounting hole 402 inside the connecting sleeve 401 coincides with the feed hole 2, and the mounting hole 402 is a through hole design. The discharging assembly 5 includes a mounting sleeve 501 fixed to the middle of the bottom of the support plate 1. An integrally formed clearance hole 502 inside the mounting sleeve 501 coincides with the discharge hole 3, and the clearance hole 502 is a through hole design. The mounting sleeve 501 and the connecting sleeve 401 are coaxial in the longitudinal direction. The driving assembly 6 includes a servo motor 601 fixed to the middle of the rear end of the outer wall of the support plate 1. A rotating shaft 602 fixed to the front end of the servo motor 601 rotates... The rotating shaft 602 is concentric with the center of the support plate 1. A circular plate 603 is fixedly sleeved on the rotating shaft 602 inside the support plate 1. The center of the circular plate 603 is concentric with the rotating shaft 602. A mounting pin 604 is fixedly installed on the top middle side of the outer wall of the circular plate 603. A micro switch 605 is fixedly installed on the top of the mounting pin 604. A limiting sleeve 606 is fixedly sleeved on the outside of the mounting pin 604. An iron block 607 is fixedly installed on the top left side of the limiting sleeve 606. A first metal sensor 608 is fixedly installed on the right side inside the support plate 1. A stop bar 609 is fixedly installed on the lower left side inside the support plate 1. A controller 610 is fixedly installed on the left side of the outer wall of the support plate 1.

[0027] The blanking hole 10 integrated on the right side of the inner side of the limiting sleeve 606 is a through hole design, and the inner depth of the limiting sleeve 606 is the same as the length of the screw. The workers first place the screws vertically into the mounting holes 402 one by one. The screws in the mounting holes 402 are discharged into the limiting sleeve 606 through the feed hole 2 by their own weight. When the plane of the screw exerts pressure on the micro switch 605, the first metal sensor 608 and the servo motor 601 are activated. The servo motor 601 drives the rotating shaft 602 to rotate clockwise along with the circular plate 603, the limiting sleeve 606 and the screw. When the limiting sleeve 606 drives the screw to rotate 90 degrees clockwise, the first metal sensor 608 detects the iron block 607. The servo motor 601 rotates counterclockwise. At the same time, the screws are discharged through the drop hole 10 from the lower right side of the support plate 1 to the discharge hole 3. Through the blocking effect of the baffle 609, the screws can be smoothly discharged from the discharge hole 3 through the clearance hole 502 into the next process. Example 2

[0028] like Figure 1 , Figure 3 , Figure 5 As shown, the support plate 1, the limiting sleeve 606, the circular plate 603, and the mounting pin 604 are all made of non-metallic materials to prevent the first metal sensor 608 from being accidentally activated. The second metal sensor 7 is fixedly inserted through the lower left side of the inside of the limiting sleeve 606. The top and bottom of the inside of the support plate 1 are fixedly provided with a third metal sensor 8. The arc-shaped plate 9 fixed on the left side of the outer wall of the limiting sleeve 606 is made of non-metallic material. The center of the arc-shaped plate 9 is concentric with the circle of the support plate 1. The top surface of the mounting pin 604 is higher than the bottom surface inside the limiting sleeve 606, that is, the end of the mounting pin 604 away from the circular plate 603 is inside the limiting sleeve 606. The controller 610 is electrically connected to the external power supply through a wire connection. The controller 610 is also electrically connected to the servo motor 601, the first metal sensor 608, the second metal sensor 7, and the third metal sensor 8.

[0029] According to the operation method in Embodiment 1, when the servo motor 601 rotates clockwise, the limiting sleeve 606 will drive the arc plate 9 to run synchronously, thereby causing the arc plate 9 to block the screw in the feed hole 2 and discharge it into the support plate 1. When the servo motor 401 rotates counterclockwise, when the upper third metal sensor 8 detects the iron block 607, the servo motor 401 stops running, thereby causing the subsequent screw to fall into the limiting sleeve 606 again. When one side of the screw locking groove falls into the limiting sleeve 606, the screw covers the top of the mounting pin 604. At this time, the second metal sensor 7 detects the metal material screw, the lower third metal sensor 8 and the servo motor 601 are turned on, and the second metal sensor 7 is turned off. At this time, the servo motor 601 rotates clockwise, and the screw rotates counterclockwise. When the servo motor 401 drives the limiting sleeve 606 and the screw to rotate 90 degrees, the screw will not be discharged from the discharge hole 10 because the first end of the mounting pin 604 is stuck in the locking groove of the screw. This continues until the screw rotates 180 degrees, at which point the mounting pin 604 is no longer stuck in the locking groove. The screw is then discharged into the next process through the overlapping discharge hole 3 and the clearance hole 502 by its own weight. At the same time, the iron block 607 detects the lower third sensor 8, and the servo motor 601 rotates counterclockwise until the upper third sensor 8 detects the iron block 607. Then the servo motor 601 stops running, and the subsequent screws fall back into the limiting sleeve 606. In this way, all the screws are discharged into the next process with the same side facing the same direction.

Claims

1. A feeding structure for recognizing the front and back of a machine screw, characterized in that: The housing is composed of a circular hollow support plate (1), an integrated feed hole (2) at the upper end of the support plate (1), and an integrated discharge hole (3) at the lower end of the support plate (1). The discharge hole (3) has a sloping design on the left side. The upper top of the support plate (1) is fixed with a feeding assembly (4), and the bottom of the support plate (1) is fixed with a discharge assembly (5). The drive assembly (6) inside the support plate (1) can discharge the screws in the feeding assembly (4) into the discharge assembly (5). The feeding assembly (4) includes a connecting sleeve (401) fixed at the top middle of the support plate (1). The mounting hole (402) integrally provided inside the connecting sleeve (401) coincides with the feed hole (2), and the mounting hole (402) is a through hole design. The discharging assembly (5) includes a mounting sleeve (501) fixed at the bottom middle of the support plate (1). The clearance hole (502) integrally provided inside the mounting sleeve (501) coincides with the discharge hole (3), and the clearance hole (502) is a through hole design. The mounting sleeve (501) and the connecting sleeve (401) are designed to be coaxial in the longitudinal direction. The driving assembly (6) includes a servo motor (601) fixed at the rear middle side of the outer wall of the support plate (1). The rotating shaft (602) fixed at the front end of the servo motor (601) rotates through it. The support plate (1) is designed with the center of the rotating shaft (602) and the center of the support plate (1) being concentric. The circular plate (603) inside the support plate (1) is fixedly sleeved on the rotating shaft (602). The center of the circular plate (603) and the rotating shaft (602) are concentric. The top middle side of the outer wall of the circular plate (603) is fixedly provided with a mounting pin (604), and the top of the mounting pin (604) is fixedly provided with a micro switch (605). The mounting pin (604) is fixedly sleeved with a limiting sleeve (606). The left side of the top of the limiting sleeve (606) is fixedly provided with an iron block (607). The right side inside the support plate (1) is fixedly provided with a first metal sensor (608). The left side of the lower end inside the support plate (1) is fixedly provided with a stop bar (609). The left side of the outer wall of the support plate (1) is fixedly provided with a controller (610).

2. The feeding structure for identifying the forward and reverse orientation of a nut screw according to claim 1, characterized in that... The support plate (1), the limiting sleeve (606), the circular plate (603), and the mounting pin (604) are all made of non-metallic materials to prevent the first metal sensor (608) from being accidentally activated.

3. The feeding structure for identifying the forward and reverse orientation of a nut screw according to claim 1, characterized in that... The lower left end of the limiting sleeve (606) is fixedly connected to a second metal sensor (7), and the top and bottom ends of the support plate (1) are fixedly connected to a third metal sensor (8).

4. The feeding structure for identifying the forward and reverse orientation of a nut screw according to claim 1, characterized in that... The arc-shaped plate (9) fixed on the left side of the outer wall of the limiting sleeve (606) is made of non-metallic material, and the center of the arc-shaped plate (9) and the circle of the support plate (1) are concentrically designed.

5. The feeding structure for identifying the forward and reverse orientation of a nut screw according to claim 1, characterized in that... The material discharge hole (10) integrally provided on the right side of the limiting sleeve (606) is a through hole design, and the internal depth of the limiting sleeve (606) is consistent with the length of the screw.

6. The feeding structure for identifying the forward and reverse orientation of a nut screw according to claim 1, characterized in that... The top surface of the mounting pin (604) is higher than the bottom surface inside the limiting sleeve (606), that is, the end of the mounting pin (604) away from the circular plate (603) is inside the limiting sleeve (606).

7. The feeding structure for identifying the forward and reverse orientation of a nut screw according to claim 1, characterized in that... The controller (610) is electrically connected to an external power source via a wire, and the controller (610) is electrically connected to a servo motor (601), a first metal sensor (608), a second metal sensor (7), and a third metal sensor (8).

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