Feeding structure of automatic screw driving machine

Abstract

The utility model provides a feeding structure of an automatic screw driving machine, which comprises a second mounting cavity formed in a shell and communicated with the lower part of a first mounting cavity, and a second mounting cavity formed in the shell and communicated with the lower part of the first mounting cavity; the feeding pipe is arranged in the second mounting cavity in an obliquely upward mode relative to the first mounting cavity and is provided with a nail feeding section extending in the direction of the end face of the second mounting cavity and a nail discharging section capable of extending into the first mounting cavity, and the nail discharging section can rotate relative to the first mounting cavity; when the driving mechanism moves downwards, the driving mechanism can be in linkage with the nail outlet section to rotate in the first direction, so that the nail outlet section is isolated in the second mounting cavity; the second mounting cavity is provided with a reset piece, so that when the driving mechanism moves upwards and is gradually separated from the nail outlet section, the nail outlet section extends into the first mounting cavity; according to the scheme, the technical problem that in the prior art, a feeding mechanism is prone to being blocked is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw technical field especially relates to a kind of feeding structure of automatic screw driver. BACKGROUND

[0002] With the continuous progress of automation and intelligent manufacturing technology, as one of the key equipment on assembly line, the performance of screw driver is directly related to the efficiency and product quality of the entire production line. The traditional manual screwing method is inefficient, easy to fatigue and has large error, which has been difficult to meet the requirements of modern industry for high precision and high efficiency. Therefore, the application of automatic screw driver becomes more and more widely, especially in the field of electronic manufacturing, automobile production and other fields requiring a large number of screw fastening operations, but the traditional feeding device is difficult to ensure that only one screw reaches the working position at a time when transferring screws, which may cause multiple screws to enter the working area at the same time, resulting in blockage or machine failure. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model provides a feeding structure of automatic screw driver, which solves the technical problem of easy blockage of the feeding mechanism in the prior art.

[0004] According to the embodiments of the utility model, the following technical solutions are adopted:

[0005] A feeding structure of a screw driver, the screw driver includes a housing, the housing has a first mounting cavity, a driving mechanism reciprocating upward and downward is arranged in the first mounting cavity, characterized in that the feeding structure comprises:

[0006] A second mounting cavity is formed in the housing and is in communication with the lower part of the first mounting cavity;

[0007] A feeding pipe is arranged in the second mounting cavity in an inclined upward manner with respect to the first mounting cavity, and has a nail feeding section extending towards the end face of the second mounting cavity, and a nail outlet section extendable into the first mounting cavity, the nail outlet section is rotatable with respect to the first mounting cavity, so that the driving mechanism can drive the nail outlet section to rotate in a first direction when moving downward, to isolate the nail outlet section from the second mounting cavity;

[0008] Wherein, the second mounting cavity is provided with a reset member for providing a rotating trend of the nail outlet section in a second direction, so that the nail outlet section extends into the first mounting cavity when the driving mechanism moves upward and gradually separates from the nail outlet section;

[0009] The first direction and the second direction are two opposite directions.

[0010] Preferably, the second mounting cavity is provided with a rotating shaft, and the feeding pipe is arranged on the rotating shaft.

[0011] Preferably, the reset member is a torsion spring arranged on the rotating shaft.

[0012] Preferably, the second mounting cavity is provided with a limiting shaft, the rotating shaft and the limiting shaft are arranged in an interlaced manner along the up-down direction, the limiting shaft is located in the rotating path of the nail ejection section, and the limiting shaft abuts against the surface of the feeding pipe when the nail ejection section is isolated in the second mounting cavity.

[0013] Preferably, the limiting shaft is sleeved with a rubber sleeve.

[0014] Preferably, the nail ejection section is provided with a counterweight.

[0015] Preferably, the nail feeding section is provided with a first magnetic attraction part, the first mounting cavity is provided with a second magnetic attraction part, and the first magnetic attraction part and the second magnetic attraction part are attached to each other when the nail ejection section extends into the first mounting cavity.

[0016] Preferably, the connecting part of the first mounting cavity and the second mounting cavity is provided with an opening, the opening has an upper end face and a lower end face, and the nail ejection section alternately abuts against the upper end face and the lower end face.

[0017] Compared with the prior art, the utility model has the advantages that the automatic supply of screws is realized, only one screw is accurately delivered to the driving mechanism each time, the working efficiency is improved, the possibility of fault occurrence is reduced, and problems such as blockage caused by multiple screws entering the working area at the same time are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of a three-dimensional structure in an embodiment of the utility model;

[0019] Figure 2 It is Figure 1 a sectional view of A-A.

[0020] In the above drawings: 1, shell; 2, first mounting cavity; 3, driving mechanism; 4, second mounting cavity; 5, feeding pipe; 6, nail feeding section; 7, nail ejection section; 8, rotating shaft; 9, limiting shaft; 10, rubber sleeve; 11, counterweight; 12, first magnetic attraction part; 13, second magnetic attraction part; 14, opening. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and beneficial effects of the utility model clearer, specific embodiments are described below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and do not limit the utility model.

[0022] Referring to Figures 1 to 2 The utility model provides a kind of feeding structure of screw driver, the screw driver includes shell 1, the shell 1 has first installation cavity 2, drive mechanism 3 is equipped in the first installation cavity 2 along up and down reciprocating motion, and the feeding structure includes:

[0023] Second installation cavity 4 is formed in the shell 1, and it is communicated with the lower portion of the first installation cavity 2;

[0024] Feeding pipe 5 is set in the second installation cavity 4 relative to the first installation cavity 2 and is inclined upward, and it has nail sending section 6 extending to the second installation cavity 4 end face direction, and the nail sending section 7 that can extend to the first installation cavity 2, the nail sending section 7 can rotate relative to the first installation cavity 2, so that the drive mechanism can be linked with the nail sending section 7 along first direction rotation when along downward motion, to isolate the nail sending section 7 in the second installation cavity 4;

[0025] Wherein, the second installation cavity 4 is equipped with reset member, for providing the rotation tendency of the nail sending section 7 along second direction, to make the nail sending section 7 extend into the first installation cavity 2 when the drive mechanism upward motion and gradually with the nail sending section 7 is separated;

[0026] The first direction and the second direction are two opposite directions.

[0027] In this embodiment, the driving mechanism 3 is an electric drill provided in the first mounting cavity 2, which is used to tighten the screws entering the first mounting cavity 2. The movement of the electric drill can be driven by a cylinder or a motor. A second mounting cavity 4 is provided on the shell 1 and is in communication with the lower part of the first mounting cavity 2. A feeding pipe 5 is obliquely arranged in the second mounting cavity 4. The feeding pipe 5 has a nail feeding section 6 and a nail discharging section 7 arranged oppositely. The nail feeding section 6 extends to the end face of the second mounting cavity 4, and the nail discharging section 7 extends into the first mounting cavity 2. The feeding pipe 5 is movably arranged in the second mounting cavity 4. When the electric drill moves downward, the electric drill can drive the nail discharging section 7 to rotate in a first direction (the first direction is the clockwise direction), and the nail discharging section 7 feeds the screws stored therein into the first mounting cavity 2. The electric drill continues to move downward, and the nail discharging section 7 exits the first mounting cavity 2 and is located in the second mounting cavity 4 after feeding the screws. A reset member is arranged in the second mounting cavity 4, which functions to rotate the nail discharging section 7 in a second direction (the second direction is the counterclockwise direction) after the electric drill moves upward and away from the nail discharging section 7, i.e., to extend into the first mounting cavity 2 again, in preparation for the next feeding action. The up-and-down reciprocating movement of the electric drill drives the nail discharging section 7 to rotate in the first direction or the second direction, so that the screws are correctly positioned during each downward movement of the electric drill. With the help of the reset member, the feeding of the next screw is prepared after each cycle, which improves the feeding accuracy, improves the work efficiency, and reduces the need for manual intervention.

[0028] The second mounting cavity 4 is provided with a rotating shaft 8, and the nail discharging section 7 is arranged on the rotating shaft 8. Further, the reset member is a torsion spring arranged on the rotating shaft 8.

[0029] In this embodiment, the feeding pipe 5 is arranged in the second mounting cavity 4 through the rotating shaft 8. The rotating shaft 8 provides a fixed rotation center for the feeding pipe 5, so that the feeding pipe 5 can rotate in the first direction to feed the screws into the first mounting cavity 2 when the electric drill moves downward, and vice versa. When the electric drill moves upward, the feeding pipe 5 returns to the original position in the second direction through the action of the torsion spring.

[0030] The second mounting cavity 4 is provided with a limiting shaft 9, and the rotating shaft 8 and the limiting shaft 9 are arranged in a staggered manner along the up-and-down direction. The limiting shaft 9 is located in the rotation path of the nail discharging section 7, and the limiting shaft 9 abuts against the surface of the feeding pipe 5 when the nail discharging section 7 is isolated in the second mounting cavity 4.

[0031] In this embodiment, the limiting shaft 9 is located on the rotation path of the nail ejection section 7. When the nail ejection section 7 is isolated in the second mounting cavity 4 (i.e. when the driving mechanism 3 moves downward), the limiting shaft 9 will abut against the outer surface of the feeding tube 5, preventing the nail ejection section 7 from continuing to rotate in the first direction, ensuring that it stays in the correct position. Meanwhile, the staggered arrangement of the rotating shaft 8 and the limiting shaft 9 in the up-down direction allows for more precise control of the movement of the nail ejection section 7, ensuring that it can accurately return to the initial position every time it is reset, avoiding the problems of overshoot or failure to reach the correct position. The presence of the limiting shaft 9 prevents abnormal rotation of the nail ejection section 7 due to mechanical failure or external interference, thereby protecting the normal operation of the entire screw driver.

[0032] The limiting shaft 9 is provided with a rubber sleeve 10.

[0033] In this embodiment, the rubber sleeve 10 can provide cushioning when the limiting shaft 9 abuts against the surface of the feeding tube 5, reducing direct collisions between metal components, reducing noise and vibration, thereby improving the smoothness of operation, reducing direct contact between metals, and helping to prolong the service life of the components.

[0034] The nail ejection section 7 is provided with a counterweight 11.

[0035] In this embodiment, the counterweight 11 can be used to balance the weight distribution of the nail ejection section 7, ensuring that it remains stable during rotation. Under the coordinated work of the rotating shaft 8 and the limiting shaft 9, the counterweight 11 helps to reduce the shaking or instability caused by the shift of the center of gravity. The torsional spring provided at the rotating shaft 8 helps the nail ejection section 7 to return to the initial position more quickly and accurately. When the driving mechanism 3 moves downward, causing the nail ejection section 7 to rotate in the first direction, the counterweight 11 can help maintain the posture of the nail ejection section 7, preventing unnecessary swinging due to inertia and other reasons, thereby ensuring that only one screw is correctly fed into the driving mechanism 3 each time. According to actual application requirements, counterweights 11 of different masses can be selected to adjust the motion characteristics of the nail ejection section 7, making it better adapt to various types of screws and assembly speed requirements.

[0036] The feeding section 6 is provided with a first magnetic attraction part 12, and the first mounting cavity 2 is provided with a second magnetic attraction part 13. When the nail ejection section 7 extends into the first mounting cavity 2, the first magnetic attraction part 12 and the second magnetic attraction part 13 are in contact.

[0037] In the embodiment, the attraction force between the first magnetic attraction part 12 and the second magnetic attraction part 13 can ensure that the nail feeding section 7 accurately extends to the predetermined position in the first mounting cavity 2, and positioning is achieved. The magnetic attraction force can provide additional holding force after the nail feeding section 7 extends, preventing it from being accidentally displaced or falling off during the operation of the driving mechanism 3, thereby enhancing the stability of the system. When the driving mechanism 3 moves upward and gradually separates from the nail feeding section 7, the magnetic attraction force can help the nail feeding section 7 return to the initial feeding position more quickly, thereby assisting the torsional spring to improve the resetting efficiency.

[0038] The connection between the first mounting cavity 2 and the second mounting cavity 4 is provided with an opening 14, which has an upper end face and a lower end face, and the nail feeding section 7 alternately abuts against the upper end face and the lower end face.

[0039] In the embodiment, the opening 14 provided at the connection between the first mounting cavity 2 and the second mounting cavity 4 has an upper end face and a lower end face, thereby providing two alternating contact points for the nail feeding section 7. When the driving mechanism 3 moves downward, the nail feeding section 7 is pushed and rotates in the first direction, and at this time, the nail feeding section 7 abuts against the lower end face of the opening 14, thereby ensuring that it completely enters the second mounting cavity 4 and preventing the screw from falling into the first mounting cavity 2. When the driving mechanism 3 starts to move upward and gradually separates from the nail feeding section 7, the torsional spring makes the nail feeding section 7 rotate in the second direction, extend into the first mounting cavity 2, and finally abut against the upper end face of the opening 14, thereby preparing for the next feeding operation. Therefore, the position of the nail feeding section 7 is more accurately controlled, ensuring that only one screw is correctly fed into the first mounting cavity 2 each time, and the precision of screw assembly is improved.

[0040] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. They should all be covered in the scope of the claims of the present application.

Claims

1. An automatic screw driver's feeding structure, the screw driver comprising a housing, the housing having a first installation cavity, a driving mechanism reciprocating along the up-down direction being arranged in the first installation cavity, characterized in that, The feeding structure comprises: A second installation cavity is formed in the shell and communicates with the lower part of the first installation cavity; A feeding pipe is arranged in the second installation cavity in an upwardly inclined manner relative to the first installation cavity, and has a nail feeding section extending towards the end face of the second installation cavity, and a nail discharging section extendable into the first installation cavity, the nail discharging section being rotatable relative to the first installation cavity, so that the driving mechanism can drive the nail discharging section to rotate in a first direction when moving downward, so as to isolate the nail discharging section in the second installation cavity; The second installation cavity is provided with a reset member for providing a rotating trend of the nail discharging section in a second direction, so that the nail discharging section extends into the first installation cavity when the driving mechanism moves upward and gradually separates from the nail discharging section; The first direction and the second direction are two opposite directions.

2. The feeding structure of an automatic screw driver according to claim 1, wherein, The second installation cavity is provided with a rotating shaft, and the feeding pipe is arranged on the rotating shaft.

3. The feeding structure of an automatic screw driver according to claim 2, wherein, The reset member is a torsion spring arranged on the rotating shaft.

4. The feeding structure of an automatic screw driver according to claim 2 or 3, characterized in that, The second installation cavity is provided with a limiting shaft, and the rotating shaft and the limiting shaft are arranged in a staggered manner in the up-down direction, the limiting shaft being located in the rotating path of the nail discharging section, and the limiting shaft abutting against the surface of the feeding pipe when the nail discharging section is isolated in the second installation cavity.

5. The feeding structure of an automatic screw driver according to claim 4, wherein, The limiting shaft is provided with a rubber sleeve.

6. The feeding structure of an automatic screw driver according to claim 1, wherein, The nail discharging section is provided with a counterweight.

7. The feeding structure of an automatic screw driver according to claim 1 or 6, characterized in that, The nail feeding section is provided with a first magnetic attraction part, and the first installation cavity is provided with a second magnetic attraction part, the first magnetic attraction part and the second magnetic attraction part being abutted when the nail discharging section extends into the first installation cavity.

8. The feeding structure of an automatic screw driver according to claim 1, wherein, The connecting part of the first installation cavity and the second installation cavity is provided with an opening, the opening having an upper end face and a lower end face, and the nail discharging section alternately abutting against the upper end face and the lower end face.

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