Z-type intelligent electric screwdriver

Abstract

The utility model provides a kind of Z-type intelligent electric screwdriver, it includes electric screwdriver body, lower cover, button, baffle arm and first reset piece: electric screwdriver body bottom end detachably connects bit, lower cover is connected with electric screwdriver body bottom end and is equipped with the through-hole for bit to be threaded;Button is movably assembled in lower cover, baffle arm is rotatably connected with lower cover by pivot, one end is adapted with button, and the other end is equipped with the fixed slot that is engaged with bit;First reset piece is arranged in lower cover and is connected with baffle arm, for driving baffle arm and bit stable engagement.When pressing button, button extrudes baffle arm and rotates around pivot, so that fixed slot is separated from bit, and bit falls rapidly under the action of gravity.The Z-type intelligent electric screwdriver of the application realizes the rapid tool-free replacement of bit, reliable reset, compact structure, significantly improves work efficiency, and is suitable for electronic assembly, automated production line and various other scenes.

Description

Technical Field

[0001] This utility model relates to the field of electric screwdriver accessories, and in particular to a Z-type intelligent electric screwdriver. Background Technology

[0002] Intelligent electric screwdrivers, as core tools for tightening operations, are widely used in industrial production and daily maintenance. The screwdriver bit, as the actuator that directly contacts the workpiece, needs to be frequently changed according to operational requirements (such as different screw sizes or different work scenarios).

[0003] Existing electric screwdriver bit connection and removal structures have many shortcomings: some use threaded connections or snap rings for fixing, requiring tools to twist or pry when changing bits, which is cumbersome and time-consuming, seriously affecting work efficiency; some direct plug-in structures do not require tools, but lack a stable locking and resetting mechanism, making bits prone to loosening and falling off during operation, posing a safety hazard; and some bit removal structures have complex designs with many parts, making assembly difficult and resetting reliability poor, easily causing jamming or inaccurate resetting after repeated use, further affecting the continuity of work.

[0004] Therefore, it is necessary to provide a Z-type intelligent electric screwdriver to solve the above-mentioned technical problems. Utility Model Content

[0005] This utility model provides a Z-type intelligent electric screwdriver to solve the problems in the prior art where changing the screwdriver bit requires tools, the operation is cumbersome, the screwdriver bit is easy to loosen and fall off during operation, and the screwdriver bit retraction structure has poor reliability and is prone to jamming after multiple uses.

[0006] To solve the above-mentioned technical problems, the technical solution of this utility model is: a Z-type intelligent electric screwdriver, which includes: An electric screwdriver body, wherein a screwdriver bit is detachably connected to the bottom end of the electric screwdriver body; The lower cover is connected to the bottom end of the electric screwdriver body, and the lower cover is provided with a through hole through which the screwdriver bit passes; The button is movably mounted on the lower cover; A stop arm is rotatably connected to the lower cover via a pivot. One end of the stop arm is adapted to the button, and the other end has a fixing groove for engaging with the screwdriver bit. A first reset component is disposed inside the lower cover and connected to the stop arm. The first reset component drives the stop arm to engage with the bit. When the button is pressed, the button compresses the stop arm to rotate around the pivot, causing the fixing groove to separate from the bit, and the bit falls off quickly under the action of gravity.

[0007] In this utility model, the first reset component includes a magnet, which is fixed inside the lower cover, and the stop arm is magnetically attracted to the magnet; after the button is released, the magnet drives the stop arm to rotate in the opposite direction around the pivot to reset through the magnetic attraction force.

[0008] In this invention, the Z-type intelligent electric screwdriver further includes a second reset component, which is connected to the button and the lower cover, and is used to drive the button to reset.

[0009] In this invention, the Z-type intelligent electric screwdriver also includes a rotation limiting rod, which is fixed to the lower cover and is configured corresponding to the stop arm to limit the rotation angle of the stop arm.

[0010] In this invention, guide limiting rods are provided on both sides of the button, and the guide limiting rods are fixed on the lower cover. The guide limiting rods are used to guide the button to move stably along the axial direction.

[0011] In this utility model, the Z-type intelligent electric screwdriver also includes: A vacuum nozzle, corresponding to the screwdriver bit, is used to pick up the screw to be tightened, and the vacuum nozzle is sleeved on the outside of the screwdriver bit. A suction nozzle holder is connected to the bottom end of the lower cover, and the bottom end of the suction nozzle holder is inserted into the vacuum nozzle; and A vacuum connector is connected to the nozzle seat, and the vacuum connector is connected to the adsorption channel of the vacuum nozzle to provide a vacuum source for the vacuum nozzle.

[0012] In this utility model, the suction nozzle seat includes: The mounting base is fixedly connected to the lower cover; The guide shaft is connected at both ends to the mounting base and the lower cover, respectively; and A floating block is slidably connected to the guide shaft and can slide up and down along the guide shaft. The floating block is also inserted into the vacuum nozzle.

[0013] In this invention, the nozzle seat further includes a third reset member, the two ends of which abut against the floating block and the mounting base respectively, for driving the floating block to press down and reset.

[0014] In this invention, a positioning groove is provided on the side of the floating block; the suction nozzle seat also includes: A pneumatic component is connected to the mounting base, the mounting base having a through pneumatic channel, one end of the pneumatic channel being sealed to the pneumatic component; and A pressure block is provided corresponding to the positioning slot, and the pressure block is connected to the output end of the pneumatic component; The pneumatic component drives the pressure block to extend into the positioning groove, and the position of the floating block is fixed by the engagement of the pressure block with the positioning groove.

[0015] In this invention, a limiting groove is provided around the bit, and one end of the stop arm is engaged and positioned with the limiting groove.

[0016] Compared with the prior art, the advantages of this utility model are as follows: The Z-type intelligent electric screwdriver of this utility model can unlock the bit by simply pressing the button, without the need for additional tools. The operation steps are simple, which greatly shortens the bit replacement time and improves work efficiency. The first reset component continuously provides force to ensure that the stop arm and the bit are stably engaged. The bit will not loosen or fall off during operation, and it can automatically and accurately reset after the button is released, ensuring the stability of subsequent assembly. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments are briefly introduced below. The drawings described below are only the corresponding drawings of some embodiments of this utility model.

[0018] Figure 1 This is a perspective view of a Z-type intelligent electric screwdriver, representing a preferred embodiment of the present invention.

[0019] Figure 2 This is a longitudinal cross-sectional view of the overall structure of the Z-type intelligent electric screwdriver, which is a preferred embodiment of the present invention.

[0020] Figure 3 This is a schematic diagram of the working state of the stop arm in a preferred embodiment of the present invention. Figure 1 .

[0021] Figure 4 This is a schematic diagram of the working state of the stop arm in a preferred embodiment of the present invention. Figure 2 .

[0022] Figure 5 This is a cross-sectional view of the nozzle seat according to a preferred embodiment of the present invention.

[0023] Figure 6 This is a cross-sectional view of the floating block according to a preferred embodiment of the present invention.

[0024] Figure 7 This is an exploded view of a preferred embodiment of the Z-type intelligent electric screwdriver of this utility model.

[0025] Figure 8 This is a perspective view of the nozzle holder structure of a preferred embodiment of the present invention.

[0026] Reference numerals: 11. Electric screwdriver body; 111. Screwdriver bit; 1111. Limiting groove; 112. Gearbox; 12. Lower cover; 13. Button; 14. Stop arm; 141. Fixing groove; 142. Positioning groove; 15. First reset component; 16. Rotary limiting rod; 17. Guide limiting rod; 18. Second reset component; 21. Vacuum nozzle; 22. Nozzle seat; 221. Mounting base; 2211. Integrated groove; 222. Guide shaft; 223. Floating block; 2231. Positioning groove; 224. Third reset component; 225. Guide block; 23. Vacuum docking connector; 24. Pneumatic channel; 25. Pressure block; 26. Rotating shaft; 27. Guide copper ring; 28. Magnetic pressure block. Detailed Implementation

[0027] 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.

[0028] In the diagram, units with similar structures are represented by the same labels.

[0029] The terms "first" and "second" in this utility model are used for descriptive purposes only and should not be construed as indicating or implying relative importance, nor as a restriction on the order of events.

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in Figure 1 This is a perspective view of a Z-type intelligent electric screwdriver, representing a preferred embodiment of the present invention. Figure 2 This is a longitudinal cross-sectional view of the overall structure of the Z-type intelligent electric screwdriver according to a preferred embodiment of the present invention. Figure 3 This is a schematic diagram of the working state of the stop arm in a preferred embodiment of the present invention. Figure 1 , Figure 4 This is a schematic diagram of the working state of the stop arm in a preferred embodiment of the present invention. Figure 2 .

[0031] The following is a preferred embodiment of a Z-type intelligent electric screwdriver provided by this utility model, which can solve the above-mentioned technical problems.

[0032] A preferred embodiment of the Z-type intelligent electric screwdriver provided by this utility model is as follows: A Z-type intelligent electric screwdriver includes a screwdriver body 11, a lower cover 12, a button 13, a stop arm 14, and a first reset component 15. A screwdriver bit 111 is detachably connected to the bottom end of the screwdriver body 11; the lower cover 12 is connected to the bottom end of the screwdriver body 11, and the lower cover 12 has a through hole through which the screwdriver bit 111 passes. The lower cover 12 is used to connect to the screwdriver body 11; the screwdriver body 11 enables the detachable connection of the screwdriver bit 111, meeting the needs of bit 111 replacement in different working scenarios; the through hole design of the lower cover 12 not only achieves assembly integration with the screwdriver body 11, but also provides working space for the screwdriver bit 111, ensuring structural integrity and operational feasibility. Button 13 is movably mounted on the lower cover 12; the stop arm 14 is rotatably connected to the lower cover 12 via a pivot 26. One end of the stop arm 14 is adapted to the button 13, and the other end is provided with a fixing groove 141 for engaging with the bit 111. The stop arm 14 is rotatably connected via the pivot 26, with one end bearing the pushing force of the button 13 and the other end engaging the bit 111 via the fixing groove 141. It is the core structural support of the "press-rotate-unlock" mechanical linkage logic, providing a mechanical basis for quickly retracting the bit 111. The first reset component 15 is located inside the lower cover 12 and connected to the stop arm 14. The first reset component 15 drives the stop arm 14 to engage with the bit 111. The first reset component 15 provides a continuous reset force to the stop arm 14, ensuring that the stop arm 14 and the bit 111 are stably engaged in the non-operating state, preventing the bit 111 from loosening or falling off during operation, and improving structural reliability.

[0033] When button 13 is pressed, button 13 squeezes the stop arm 14 to rotate around the pivot 26, causing the fixing groove 141 to separate from the bit 111, and the bit 111 falls quickly under the action of gravity. The bit 111 and the electric screwdriver body 11 adopt a detachable connection design, which can flexibly adapt to the replacement needs of bit 111 of different specifications and different working scenarios, and has strong versatility. The through hole structure of the lower cover 12 not only realizes the precise assembly and integration with the electric screwdriver body 11, but also provides a stable working space for the bit 111, taking into account both the overall structure and the feasibility of operation. The stop arm 14 is rotatably connected to the lower cover 12 through the pivot 26, and forms a mechanical linkage logic of pressing, rotating and unlocking with the button 13. The bit 111 is engaged by the fixing groove 141 of the stop arm 14, and the bit 111 can be quickly disassembled without additional tools, which greatly improves the operating efficiency. The first reset member 15 provides a continuous reset force for the stop arm 14, ensuring that the stop arm 14 and the bit 111 are stably engaged in the non-operating state, effectively preventing the bit 111 from loosening or falling off due to vibration during operation, and significantly improving the reliability of the structure.

[0034] The main structure of the Z-type intelligent electric screwdriver in this embodiment is described below: Combination Figure 3 and Figure 4In this embodiment, the first reset component 15 includes a magnet, which is fixed inside the lower cover 12. The stop arm 14 is magnetically attracted to the magnet. After the button 13 is released, the magnet drives the stop arm 14 to rotate in the opposite direction around the pivot 26 to reset through the magnetic attraction force. By using a magnet as the first reset component 15, the automatic reset of the stop arm 14 is achieved by utilizing the magnetic attraction principle. The reset response is fast, there is no mechanical wear, and the accuracy of the reset and the durability of the structure are guaranteed.

[0035] A magnet clamping block 28 is provided inside the lower cover 12 at the installation position corresponding to the first reset component 15 (magnet). The magnet clamping block 28 is fixedly connected to the lower cover 12 by screws or a snap-fit ​​structure, pressing and fixing the magnet into the preset installation cavity of the lower cover 12. The setting of the magnet clamping block 28 can effectively prevent the magnet from shifting or falling off due to vibration, impact and other factors during equipment operation, ensuring that the magnetic attraction accuracy between the magnet and the stop arm 14 remains stable, thereby ensuring the reliability and consistency of the reset of the stop arm 14, and providing continuous guarantee for the stable engagement of the bit 111.

[0036] The first reset component 15 can also be a reset spring. The first reset component 15 can be flexibly selected according to cost budget and usage scenario to enhance the adaptability and versatility of the product.

[0037] like Figure 3 and Figure 4 As shown, the Z-type intelligent electric screwdriver in this embodiment also includes a rotation limiting rod 16. The rotation limiting rod 16 is fixed on the lower cover 12 and is set corresponding to the stop arm 14. It is used to limit the rotation angle of the stop arm 14, prevent the reset component from failing or the structure from interfering due to excessive rotation, ensure that the rotation of the stop arm 14 is within a safe and effective range, and improve the structural stability.

[0038] Furthermore, a positioning groove 142 is provided on the side of the stop arm 14, which engages with the rotation limit rod 16, thereby improving the stability of the stop arm 14 during use.

[0039] Both sides of the button 13 are provided with guide limit rods 17, which are fixed on the lower cover 12. The guide limit rods 17 are used to guide the button 13 to move stably along the axial direction. The guide limit rods 17 constrain the movement trajectory of the button 13 to avoid deviation or jamming when pressed, and ensure the smoothness and reliability of the unloading head 111 operation.

[0040] like Figure 3 and Figure 4 As shown, the Z-type intelligent electric screwdriver in this embodiment also includes a second reset component 18. The second reset component 18 is connected to the button 13 and the lower cover 12. The second reset component 18 is used to drive the button 13 to reset. The second reset component 18 (such as a spring) realizes the automatic reset of the button 13 without manual intervention, improves the convenience of operation, and ensures the consistency of the initial state of the next screwdriver head removal operation.

[0041] In this embodiment, a limiting groove 1111 is provided on the periphery of the bit 111, and one end of the stop arm 14 is engaged with the limiting groove 1111 for positioning. The limiting groove 1111 at the top of the bit 111 engages with the stop arm 14, further strengthening the axial positioning of the bit 111, preventing the bit 111 from loosening due to vibration during operation, and improving the stability of the bit 111 installation.

[0042] Combination Figure 2 , Figure 5 and Figure 6 In this embodiment, the Z-type intelligent electric screwdriver also includes a vacuum nozzle 21, a nozzle seat 22, and a vacuum connector 23. The vacuum nozzle 21 is set to correspond to the screwdriver bit 111 and the screw to be tightened. The vacuum nozzle 21 is fitted around the outside of the screwdriver bit 111 to attract the screw to be tightened. The nozzle seat 22 is connected to the bottom end of the lower cover 12, and its bottom end is inserted into the vacuum nozzle 21. The vacuum connector 23 is connected to the nozzle seat 22, and its internal channel is connected to the adsorption channel of the vacuum nozzle 21 to provide a vacuum source for the vacuum nozzle 21.

[0043] The dual-function design of the vacuum nozzle 21 significantly improves work efficiency: when adsorbing screwdriver bits, it enables automated loading and unloading of bits, preventing them from falling or being lost; when adsorbing screws, it precisely fixes the screw position, working with the electric screwdriver to complete the tightening operation, especially suitable for automated assembly scenarios with small-sized screws that are prone to falling. The integrated design of the nozzle holder 22 and the lower cover 12 ensures a compact structure; the vacuum docking connector 23 provides stable negative pressure power, adapting to the unmanned operation requirements of automated production lines, significantly improving the automation level and operational compatibility of the Z-type intelligent electric screwdriver.

[0044] Combination Figure 5 The nozzle holder 22 also has a guide copper ring 27 embedded inside. This guide copper ring 27 is coaxially arranged on the mating path of the bit 111 and the screw, and is used to guide the insertion of the bit and the screw. The guide copper ring 27 has good wear resistance and lubrication, which can reduce frictional damage during the insertion of the bit and the screw, and can also constrain the radial displacement of the bit and the screw through its precise inner hole size, ensuring the coaxial mating accuracy of the bit, screw and vacuum nozzle 21, and ensuring operational stability.

[0045] like Figure 2 and Figure 6As shown, the suction nozzle holder 22 includes a mounting base 221, a guide shaft 222, and a floating block 223. The mounting base 221 is fixedly connected to the lower cover 12. The two ends of the guide shaft 222 are connected to the mounting base 221 and the lower cover 12, respectively. The floating block 223 is slidably connected to the guide shaft 222, and can slide up and down along the guide shaft 222, and is inserted into the vacuum suction nozzle 21. When the electric screwdriver is working, the vacuum suction nozzle 21 moves upward synchronously with the floating block 223, providing a buffer space for the connection between the screwdriver bit and the screw, ensuring that the screwdriver bit can be accurately inserted into the screw slot, while avoiding interference between the suction nozzle and the workpiece, improving the smoothness and accuracy of the tightening operation. The floating block 223 is used to cooperate with the vacuum suction nozzle 21 to complete the feeding guidance, unloading and disengagement of the screwdriver bit 11, and the connection guidance of the screw to be tightened.

[0046] The suction nozzle seat 22 also includes a third reset member 224 (a third reset spring in this embodiment), whose two ends abut against the floating block 223 and the mounting base 221 respectively, for driving the floating block 223 to press down and reset. When the bit / screw is being fed, the third reset member 224 drives the floating block 223 closer to the vacuum nozzle 21, assisting in the coaxial connection of the bit, screw, and vacuum nozzle 21; after the bit is unloaded or the screw is tightened, the third reset member 224 drives the floating block 223 back to its initial position, ready for the next feeding, realizing the automated reset of the structure and improving the continuity of operation.

[0047] like Figure 6 As shown, the nozzle holder 22 also includes a guide block 225, which is fixedly connected to the floating block 223 and slidably engaged with the guide shaft 222, allowing it to slide up and down along the guide shaft 222 together with the floating block 223. The addition of the guide block 225 further enhances the sliding guidance accuracy of the floating block 223, preventing radial offset or jamming during the up-and-down movement of the floating block 223, ensuring the consistency of the docking between the floating block 223 and the vacuum nozzle 21, thereby improving the coaxiality and smoothness of loading and unloading bits and screws, and making the gripping and releasing of bits and screws by the vacuum nozzle 21 more precise and reliable.

[0048] Combination Figure 7 The mounting base 221 has an integrated groove 2211, and the floating block 223 is fitted into the integrated groove 2211 to radially position the floating block 223, preventing it from shifting when sliding, ensuring the fitting accuracy between the floating block 223 and the vacuum nozzle 21, and ensuring smooth loading and unloading of the screwdriver bit and screw. The third reset component 224 assists in coaxial docking of the screwdriver bit and vacuum nozzle 21 when loading the screwdriver bit, and automatically returns to its original position after unloading. The integrated groove 2211 radially limits the floating block 223 to prevent it from shifting when sliding, providing double protection for the accuracy and smoothness of loading and unloading the screwdriver bit and screw, and improving the reliability of the structure.

[0049] Combination Figure 2 and Figure 5The floating block 223 has a positioning groove 2231 on its side; the suction nozzle seat 22 also includes a pressure block 25. The mounting base 221 has a through pneumatic channel 24. One end of the pneumatic channel 24 is slidably engaged with the pressure block 25 to provide precise guidance for the extension and retraction of the pressure block 25, ensuring that the pressure block 25 can stably extend into or out of the positioning groove 2231 of the floating block 223 along a preset trajectory; the other end of the pneumatic channel 24 is used for a sealed connection with a pneumatic component (not shown in the figure), so that the power output of the pneumatic component is efficiently transmitted to the pressure block 25 through the pneumatic channel 24, realizing the rapid response and stable drive of the pressure block 25, and ensuring the fixing effect of the floating block 223 during operation and the smoothness of unlocking.

[0050] When the pneumatic component drives the pressure block 25 to engage with the positioning groove 2231 of the floating block 223, it can achieve rigid fixation of the floating block 223 during operation, prevent the floating block 223 from sliding due to vibration during electric screwdriver operation, ensure the stable operation position of the screwdriver bit and screw, and improve tightening accuracy; the pneumatic control method is easy to integrate with automated production lines and adapt to automatic control requirements.

[0051] The working principle of vacuum nozzle 21 is based on vacuum negative pressure adsorption, and the specific process is as follows: Negative pressure generation: The vacuum nozzle 21 is connected to a vacuum generator (or vacuum pump) through a pipeline. The vacuum generator removes the air inside the nozzle, creating a negative pressure environment inside the nozzle that is lower than atmospheric pressure.

[0052] Adsorption effect: When the vacuum nozzle 21 approaches the screw to be tightened, the negative pressure will generate an adsorption force between the nozzle and the screw, which will hold the screw in place, thus achieving the adsorption and fixation of the screw by the screw (before tightening).

[0053] Release control: When it is necessary to release the bit or screw, the vacuum generator stops pumping air, the pressure inside the nozzle returns to normal, the suction force disappears, and the bit or screw separates from the nozzle under the action of gravity or external force.

[0054] The following describes the other structural features of the Z-type intelligent electric screwdriver in this embodiment: like Figure 1 As shown, the electric screwdriver body 11 in this embodiment is specifically a Z-shaped intelligent electric screwdriver body. Its unique Z-shaped structure can adapt to more complex work scenarios and improve operational flexibility. The electric screwdriver body in this embodiment can also be used with other types of electric screwdrivers. The bottom end of the electric screwdriver body 11 in this embodiment integrates a gearbox 112. The screwdriver bit 111 is detachably connected to the electric screwdriver body 11 through the gearbox 112, which not only ensures the stable transmission of the rotational power of the screwdriver bit 111, but also facilitates the quick replacement and maintenance of the screwdriver bit 111. At the same time, the lower cover 12 is fixedly connected to the bottom end of the gearbox 112, so that the gearbox 112, the lower cover 12 and the electric screwdriver body 11 form a stable overall structure, providing a reliable foundation for the subsequent assembly of the screwdriver bit ejection mechanism and the vacuum adsorption assembly.

[0055] The working principle of this Z-type intelligent electric screwdriver: I. Initial standby and material loading stage 1. Mechanical positioning of the bit: The limiting groove 1111 at the top of the bit 111 engages with the stop arm 14, while the fixing groove 141 of the stop arm 14 engages with the side wall of the bit 111. Through the continuous force of the first reset member 15 (magnet), the stop arm 14 is kept stable, realizing the dual axial and radial limiting of the bit 111; the rotating limiting rod 16 limits the rotation angle of the stop arm 14 to ensure the engagement accuracy.

[0056] 2. Vacuum nozzle adsorption and floating block fixation: Vacuum connector 23 is connected to a vacuum source, and a negative pressure environment is formed inside the vacuum nozzle 21, which simultaneously adsorbs the new bit 111 and the screw to be tightened on the feeding platform; under the elastic force of the third reset component 224, the floating block 223 is pressed down along the guide shaft 222 and fits into the integrated groove 2211 of the mounting base 221. The pneumatic component drives the pressure block 25 to extend into the positioning groove 2231 on the side of the floating block 223 and engage, fixing the position of the floating block 223 and ensuring the precise docking of the vacuum nozzle 21 with the bit 111 and the screw.

[0057] 3. Button 13 and initial state of electric screwdriver: Button 13 is in the extended state along the guide limit rod 17 under the support of the second reset member 18 (such as a spring); the power component of the electric screwdriver body 11 is in standby mode, and the overall mechanism is in the ready-to-operate state.

[0058] II. Work Phase The power unit of the electric screwdriver body 11 is activated, driving the screwdriver bit 111 to rotate. At this time, the pneumatic component maintains the engagement state between the pressure block 25 and the positioning groove 2231 on one side of the floating block 223. The floating block 223 drives the vacuum nozzle 21 and the adsorbed screw to move upward along the guide shaft 222. The screwdriver bit 111 is precisely inserted into the screw slot to perform the tightening operation. The floating block 223 restricts the radial displacement of the vacuum nozzle 21 through the guide shaft 222 to ensure the stability of the working position of the screwdriver bit 111 and the screw, and to ensure tightening accuracy. Under the constraint of the first reset member 15 and the rotation limit rod 16, the stop arm 14 continuously and stably engages the screwdriver bit 111 to prevent the screwdriver bit 111 from loosening during operation.

[0059] III. Disengagement of the Dispenser and Vacuum Release Stage 1. Unlocking the unloading head: Press button 13 inward, and button 13 slides axially along guide limit rod 17 (compressing the second reset member 18), one end of which squeezes the stop arm 14 to rotate around the rotating shaft 26, overcoming the force of the first reset member 15 (overcoming the magnetic attraction of the magnet).

[0060] 2. Bit separation and screw release: As the stop arm 14 rotates, its fixing groove 141 gradually separates from the bit 111. After the bit 111 loses its mechanical constraint, it falls off under its own gravity. At the same time, the vacuum docking joint 23 cuts off the vacuum source, and the vacuum nozzle 21 returns to normal pressure. The adsorbed screw separates from the nozzle and remains on the workpiece, completing the automatic release of the bit and screw.

[0061] IV. Mechanism Reset and Next Loading Stage 1. Button 13 and stop arm 14 reset: When button 13 is released, the second reset member 18 releases elastic potential energy and pushes button 13 to reset to the extended state along the guide limit rod 17; the first reset member 15 (magnetic attraction) drives the stop arm 14 to rotate in the opposite direction until it is limited to the initial position by the rotation limit rod 16, and the fixing groove 141 of the stop arm 14 returns to the engagement position that matches the bit 111.

[0062] 2. Reset of floating block 223 and vacuum nozzle 21: The pneumatic component drives the pressure block 25 to disengage from the positioning groove 2231 of the floating block 223, releasing the fixation of the floating block 223; the third reset component 224 releases the spring force, driving the floating block 223 to press down along the guide shaft 222 and return to the integrated groove 2211, and the vacuum nozzle 21 resets with the floating block 223 to the matching position with the new bit 111 and screw; if it is necessary to reload, the process of "vacuum nozzle 21 adsorbs bit and screw floating block 223 fixation" can be repeated.

[0063] The core principle of a vacuum nozzle (negative pressure adsorption cycle) Negative pressure generation: Vacuum connector 23 connects to a vacuum generator, which removes the air from inside the vacuum nozzle 21, creating a negative pressure environment inside that is lower than atmospheric pressure.

[0064] Adsorption execution: When the vacuum nozzle 21 approaches the screw to be tightened, the negative pressure generates an adsorption force between the nozzle and the bit / screw, realizing the automated gripping and feeding of the bit 111 and the positioning and gripping of the screw.

[0065] Release control: After the vacuum source is cut off, the vacuum nozzle 21 returns to normal pressure, the suction force disappears, and the bit 111 drives the vacuum nozzle 21 to separate from the floating block 223 under the action of gravity to complete the release.

[0066] This completes the working process of the Z-type intelligent electric screwdriver in this preferred embodiment.

[0067] This Z-type intelligent electric screwdriver achieves full automation of the screwdriver bit 111 from positioning and operation to disassembly through the coordinated use of multiple mechanisms such as mechanical locking, vacuum adsorption, and elastic or magnetic resetting. It also integrates screw positioning and gripping functions, which not only ensures the stability of screwdriver bit and screw operation, but also greatly improves the overall efficiency of the tightening process. It is especially suitable for unmanned operation scenarios in automated production lines such as electronic assembly and automobile manufacturing.

[0068] In summary, although the present invention has been disclosed above with reference to preferred embodiments, the above preferred embodiments are not intended to limit the present invention. Those skilled in the art can make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the scope defined in the claims.

Claims

1. A Z-type intelligent electric screwdriver, characterized in that, include: An electric screwdriver body, wherein a screwdriver bit is detachably connected to the bottom end of the electric screwdriver body; The lower cover is connected to the bottom end of the electric screwdriver body, and the lower cover is provided with a through hole through which the screwdriver bit passes; The button is movably mounted on the lower cover; The stop arm is rotatably connected to the lower cover via a pivot. One end of the stop arm is adapted to the button, and the other end is provided with a fixing groove for engaging with the bit. as well as A first reset component is disposed inside the lower cover and connected to the stop arm. The first reset component drives the stop arm to engage with the bit. When the button is pressed, the button compresses the stop arm to rotate around the pivot, causing the fixing groove to separate from the bit, and the bit falls off quickly under the action of gravity.

2. The Z-type intelligent electric screwdriver according to claim 1, characterized in that, The first reset component includes a magnet, which is fixed inside the lower cover, and the stop arm is magnetically attracted to the magnet; after the button is released, the magnet drives the stop arm to rotate in the opposite direction around the pivot to reset through the magnetic attraction force.

3. The Z-type intelligent electric screwdriver according to claim 1, characterized in that, It also includes a second reset component, which is connected to the button and the lower cover, and is used to drive the button to reset.

4. The Z-type intelligent electric screwdriver according to claim 1, characterized in that, It also includes a rotation limiting rod, which is fixed to the lower cover and is provided corresponding to the stop arm to limit the rotation angle of the stop arm.

5. The Z-type intelligent electric screwdriver according to claim 1, characterized in that, Guide limiting rods are provided on both sides of the button. The guide limiting rods are fixed to the lower cover and are used to guide the button to move stably along the axial direction.

6. The Z-type intelligent electric screwdriver according to claim 1, characterized in that, Also includes: A vacuum nozzle, corresponding to the screwdriver bit, is used to pick up the screw to be tightened, and the vacuum nozzle is sleeved on the outside of the screwdriver bit. A suction nozzle holder is connected to the bottom end of the lower cover, and the bottom end of the suction nozzle holder is inserted into the vacuum nozzle; and A vacuum connector is connected to the nozzle seat, and the vacuum connector is connected to the adsorption channel of the vacuum nozzle to provide a vacuum source for the vacuum nozzle.

7. The Z-type intelligent electric screwdriver according to claim 6, characterized in that, The suction nozzle seat includes: The mounting base is fixedly connected to the lower cover; The guide shaft is connected at both ends to the mounting base and the lower cover, respectively; and A floating block is slidably connected to the guide shaft and can slide up and down along the guide shaft. The floating block is also inserted into the vacuum nozzle.

8. The Z-type intelligent electric screwdriver according to claim 7, characterized in that, The nozzle seat also includes a third reset component, the two ends of which abut against the floating block and the mounting base respectively, for driving the floating block to press down and reset.

9. The Z-type intelligent electric screwdriver according to claim 7, characterized in that, The floating block has a positioning groove on its side; the suction nozzle seat also includes: A pneumatic component is connected to the mounting base, the mounting base having a through pneumatic channel, one end of the pneumatic channel being sealed to the pneumatic component; and A pressure block is provided corresponding to the positioning slot, and the pressure block is connected to the output end of the pneumatic component; The pneumatic component drives the pressure block to extend into the positioning groove, and the position of the floating block is fixed by the engagement of the pressure block with the positioning groove.

10. The Z-type intelligent electric screwdriver according to claim 1, characterized in that, The bit is provided with a limiting groove on its periphery, and one end of the stop arm is engaged and positioned with the limiting groove.

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