Lead screw nut thread returning device

Abstract

The utility model provides a lead screw nut thread returning device which comprises a feeding mechanism, a thread returning mechanism, a thread returning mechanism, a thread returning mechanism and a thread returning mechanism. The carrying mechanism is arranged on one side of the feeding mechanism and used for carrying the workpieces to the machining position of the carrying mechanism. The wire returning mechanism is arranged on one side of the carrying mechanism and used for conducting wire returning on the workpiece on the machining position so as to obtain a first machined workpiece; and the unloading mechanism is arranged on one side of the carrying mechanism and used for moving the first machined part out of the machining position. The utility model solves the problems that when a thread returning machine performs thread returning on an inner hole of a nut, manual feeding and discharging consumes time, efficiency is low when a large number of nuts are machined, and the requirement for high efficiency of modern production is difficult to meet.

Description

Technical Field

[0001] The utility model relates to the technical field of nut wire drawing, and specifically, relates to a wire drawing device for a lead screw nut. Background Technique

[0002] During the processing of lead screw nuts, wire drawing can remove burrs or unevenness generated on the thread surface due to processing; at the same time, wire drawing can repair damaged or rusted threads, ensuring the tight fit and stability between the lead screw and the nut.

[0003] However, in the prior art, when a wire drawing machine performs wire drawing on the inner hole of a nut, it often relies on manual loading and unloading. This manual operation method is not only time-consuming but also inefficient when facing a large number of nut processing, and it is difficult to meet the high-efficiency requirements of modern production. Content of the Utility Model

[0004] The problem solved by the utility model is that when a wire drawing machine performs wire drawing on the inner hole of a nut, manual loading and unloading is not only time-consuming but also inefficient when facing a large number of nut processing, and it is difficult to meet the high-efficiency requirements of modern production.

[0005] To solve the above problems, the utility model provides a wire drawing device for a lead screw nut, which includes: a feeding mechanism for conveying a workpiece to be processed to an initial position; a handling mechanism arranged on one side of the feeding mechanism for handling the workpiece from the initial position to its processing position; a wire drawing mechanism arranged on one side of the handling mechanism for performing wire drawing on the workpiece at the processing position to obtain a first processed workpiece; and a discharging mechanism arranged on one side of the handling mechanism for removing the first processed workpiece from the processing position.

[0006] Compared with the prior art, the technical effects achieved by adopting this technical solution are as follows: By setting up a feeding mechanism, a handling mechanism, a wire drawing mechanism and a discharging mechanism, the automatic operation of the lead screw nut during the wire drawing process is realized, the time of manual operation is reduced, and the production efficiency is improved. Especially when dealing with a large number of nut processing, the production cycle can be shortened to meet the high-efficiency requirements of modern production. Specifically, this device conveys the workpiece to be processed to the handling mechanism through the feeding mechanism, the handling mechanism then transports the workpiece to its processing position, the wire drawing mechanism performs wire drawing on the workpiece at the processing position, and finally the discharging mechanism removes the first processed workpiece from the processing position to complete the processing process. The whole process realizes seamless connection, reduces the waiting time of the workpiece during the processing process, and optimizes the production process.

[0007] Further, the handling mechanism includes: a base, on which an initial position and a processing position are oppositely arranged; a first push rod, which is slidably connected to the base, and the free end of the first push rod faces the processing position; a positioning block, which is arranged on one side of the processing position on the base and is arranged away from the first push rod; wherein, the first push rod pushes the workpiece from the initial position to the processing position, and the first push rod and the positioning block cooperate to fix the workpiece to the processing position.

[0008] Compared with the prior art, the technical effects achieved by adopting this technical solution are as follows: the first push rod pushes the workpiece from the initial position to the processing position, and the first push rod and the positioning block are used to fix the workpiece, realizing the movement and fixation of the workpiece, improving the positioning accuracy of the workpiece, reducing the processing errors caused by the movement or deviation of the workpiece, and thus improving the product quality. And the automated handling mechanism reduces the need for manual intervention, making the production process smoother and more efficient. Only by placing the workpiece on the feeding mechanism, the handling mechanism automatically completes the positioning and fixation of the workpiece, thereby improving the production efficiency.

[0009] Further, the unloading mechanism includes: a second push rod, the free end of the second push rod faces the processing position, and the second push rod pushes the first processed part out of the processing position.

[0010] Compared with the prior art, the technical effects achieved by adopting this technical solution are as follows: the second push rod pushes the first processed part out of the processing position, realizing the automatic unloading of the workpiece after processing, avoiding the time delay and errors that may be brought by manual unloading, enabling the wire recycling device to continuously process the workpiece, improving the automation degree of the entire production process, and enhancing the production efficiency.

[0011] Further, the handling mechanism further includes: a first baffle, which is arranged on one side of the base close to the unloading mechanism; a second baffle, which is arranged on one side of the base away from the unloading mechanism; a channel is formed between the corresponding end faces of the first baffle and the second baffle for communicating the processing position and the initial position; wherein, a through hole is provided at the position of the first baffle corresponding to the processing position, and the second push rod passes through the through hole and is slidably matched with the first baffle.

[0012] Compared with the prior art, the technical effects achieved by adopting this technical solution are as follows: the first baffle and the second baffle are respectively arranged on both sides of the initial position and the processing position, forming a channel between the initial position and the processing position, restricting the movement range of the workpiece during transportation and positioning, and effectively improving the accuracy of workpiece positioning.

[0013] Further, the unloading mechanism further includes: a blanking track, which is arranged on one side of the base away from the second push rod, and the inlet section of the blanking track is communicated with the processing position.

[0014] Compared with the prior art, the technical effects achieved by adopting this technical solution are as follows: When the second push rod pushes the workpiece out of the processing position, the workpiece can directly slide onto the blanking track, thereby realizing a fast and continuous blanking process. This design greatly improves the blanking efficiency and reduces the waiting time of the production line.

[0015] Furthermore, the wire recycling mechanism includes: a bracket; a guide rail assembly disposed on the bracket; a tool assembly connected to the guide rail assembly, the tool assembly including a wire recycling blade facing the processing position; a driving assembly connected to the tool assembly to drive the tool assembly to move in a direction close to or away from the processing position.

[0016] Compared with the prior art, the technical effects achieved by adopting this technical solution are as follows: Through the guiding action of the guide rail assembly, the tool assembly can move along a preset path towards the processing position. And according to different processing requirements and workpiece sizes, the guide rail assembly can be adjusted. By changing the stroke of the guide rail assembly, wire recycling operations with different depths can be carried out, thereby improving the flexibility and adaptability of the wire recycling mechanism.

[0017] Furthermore, the tool assembly includes: a driving motor; a floating tool holder, one end of the floating tool holder is connected to the driving motor, and the other end is connected to the wire recycling blade.

[0018] Compared with the prior art, the technical effects achieved by adopting this technical solution are as follows: The driving motor provides rotational torque. When the guide rail assembly drives the tool assembly to move in a direction close to the processing position, the floating tool holder provides an elastic force, and at the same time cooperates to make the wire recycling blade coincide with the nut thread of the workpiece to prevent thread disorder; the design of the floating tool holder allows the wire recycling blade to make minor position adjustments during the processing according to the actual situation of the workpiece, compensating for processing errors caused by workpiece size deviation, uneven material hardness, or processing condition changes, thereby improving the processing accuracy and product quality.

[0019] Furthermore, the wire recycling mechanism further includes: a cleaning device disposed on the bracket; when the driving assembly drives the tool assembly to move in a direction close to and / or away from the processing position, the cleaning device cleans the wire recycling blade.

[0020] Compared with the prior art, the technical effects achieved by adopting this technical solution are as follows: The cleaning device can clean the wire recycling blade when the guide rail assembly drives the tool assembly to move in a direction close to or away from the processing position, which helps to remove impurities such as cutting residues, coolant, and oil stains attached to the wire recycling blade, maintain the sharpness and processing performance of the blade, and ensure the stability of the wire recycling operation and the processing quality.

[0021] Further, the cleaning device includes: a dust suction head and a dust suction machine that are interconnected. The dust suction head is disposed on a bracket, and the dust suction machine is arranged on one side of the screw nut wire returning device; a cleaning brush, which is disposed on the dust suction head and protrudes relative to the edge of the dust suction head.

[0022] Compared with the prior art, the technical effects achieved by adopting this technical solution are as follows: The dust suction head and the dust suction machine can effectively suck chips, dust, and other tiny impurities on the wire returning blade; the cleaning brush effectively brushes off the attachments on the blade; at the same time, the dust suction head can immediately suck away the impurities brushed off by the cleaning brush to prevent them from adhering to the blade again.

[0023] Further, the feeding mechanism includes: a vibrating disk; a feeding track, one end of the feeding track is connected to the vibrating disk, and the other end is connected to the handling mechanism.

[0024] Compared with the prior art, the technical effects achieved by adopting this technical solution are as follows: Through its vibrating action, the vibrating disk can orderly arrange the scattered workpieces and feed them into the feeding track; the feeding track then transports the arranged workpieces to the handling mechanism for subsequent processing, thereby realizing the efficient and automated feeding of workpieces, reducing manual intervention, and improving production efficiency.

[0025] After adopting the technical solution of the present utility model, the following technical effects can be achieved:

[0026] By setting the feeding mechanism, the handling mechanism, the wire returning mechanism, and the discharging mechanism, the automated operation of the screw nut during the wire returning process is realized, reducing the time of manual operation, improving production efficiency. Especially when processing a large number of nuts, the production cycle can be shortened to meet the requirements of high efficiency in modern production. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a schematic structural diagram of the screw nut wire returning device provided by the embodiment of the present utility model from the first angle;

[0028] Figure 2 is a schematic structural diagram of the screw nut wire returning device from the second angle;

[0029] Figure 3 is Figure 2 an enlarged view of part A in

[0030] Figure 4 is a schematic structural diagram of the handling mechanism and the discharging mechanism;

[0031] Figure 5 is a schematic structural diagram of the wire returning mechanism;

[0032] Figure 6 is a schematic structural diagram of the screw nut wire returning device from the third angle.

[0033] Description of the reference numerals:

[0034] 10. Frame body; 20. Workpiece;

[0035] 100. Loading mechanism; 110. Vibration bowl feeder; 120. Loading track;

[0036] 200. Handling mechanism; 210. Base; 211. Initial position; 212. Processing position; 220. First push rod; 221. First cylinder; 230. Positioning block; 240. First baffle; 250. Second baffle;

[0037] 300. Scrap wire removal mechanism; 310. Support; 320. Guide rail assembly; 321. Guide rail; 322. Motor; 330. Tool assembly; 331. Scrap wire removal blade; 332. Driving motor; 333. Floating tool holder; 340. Cleaning device; 341. Dust suction head; 342. Dust suction machine; 343. Cleaning brush;

[0038] 400. Unloading mechanism; 410. Second push rod; 420. Pushing device; 430. Unloading track. Detailed implementation manners

[0039] To make the above objects, features and advantages of the present utility model more obvious and understandable, the following will describe in detail the specific embodiments of the present utility model with reference to the accompanying drawings.

[0040] This embodiment provides a screw-nut scrap wire removal device, as Figure 1 shown. The screw-nut scrap wire removal device includes: a loading mechanism 100, a handling mechanism 200, a scrap wire removal mechanism 300, and an unloading mechanism 400. Among them, the loading mechanism 100 is used to convey the workpiece 20 to be processed to the initial position 211; the handling mechanism 200 is arranged on one side of the loading mechanism 100 and is used to move the workpiece 20 from the initial position 211 to the processing position 212; the scrap wire removal mechanism 300 is arranged on one side of the handling mechanism 200 and is used to remove the scrap wire from the workpiece 20 at the processing position 212 to obtain a first processed part; the unloading mechanism 400 is arranged on one side of the handling mechanism 200 and is used to move the first processed part out of the processing position 212. Through the cooperation among the loading mechanism 100, the handling mechanism 200, the scrap wire removal mechanism 300, and the unloading mechanism 400, the automatic operation of the screw nut during the scrap wire removal process is realized, the time of manual operation is reduced, and the production efficiency is improved.

[0041] Specifically, the screw-nut scrap wire removal device includes a frame body 10, and the loading mechanism 100, the handling mechanism 200, the scrap wire removal mechanism 300, and the unloading mechanism 400 are all arranged on the frame body 10.

[0042] Furthermore, as Figure 2 andFigure 3 As shown in the figure, the handling mechanism 200 includes: a base 210, a first push rod 220, and a positioning block 230; an initial position 211 and a processing position 212 are provided on the base 210 in a relatively arranged manner, and the feeding mechanism 100 conveys the workpiece to be processed to the initial position 211; the first push rod 220 is slidably connected to the base 210, and the free end of the first push rod 220 faces the processing position 212; the positioning block 230 is arranged on one side of the processing position 212 on the base 210 and is set away from the first push rod 220; wherein, the first push rod 220 pushes the workpiece from the initial position 211 to the processing position 212, and the first push rod 220 and the positioning block 230 cooperate to fix the workpiece to the processing position 212.

[0043] Specifically, as Figure 3 and Figure 4 shown in the figure, the initial position 211 and the processing position 212 are respectively arranged on both sides of the base 210, the first push rod 220 is arranged on the side of the initial position 211 away from the processing position 212, and the first push rod 220 can move in a direction close to or away from the processing position 212; the feeding mechanism 100 conveys the workpiece 20 to the initial position 211, the first push rod 220 moves in a direction close to the processing position 212, and the first push rod 220 pushes the workpiece 20, so that the workpiece 20 moves from the initial position 211 to the processing position 212; the positioning block 230 is arranged on the side of the processing position 212 away from the initial position 211, when the first push rod 220 pushes the workpiece 20 to the processing position 212, the workpiece 20 abuts against the side wall of the positioning block 230, at this time the first push rod 220 continues to apply a thrust to the workpiece 20, and the first push rod 220 and the positioning block 230 fix the workpiece 20 at the processing position 212.

[0044] Preferably, the first push rod 220 provides thrust through a first air cylinder 221, and the first air cylinder is arranged on the base and is connected to the first push rod 220.

[0045] Furthermore, the unloading mechanism 400 includes a second push rod 410, the free end of the second push rod 410 faces the processing position 212, and the second push rod 410 pushes the first processed part out of the processing position 212.

[0046] Specifically, when the workpiece 20 undergoes wire return through the wire return mechanism 300 to obtain the processed first processed part, the unloading mechanism 400 pushes the first processed part out of the processing position 212 through the second push rod 410 to complete the unloading.

[0047] Further, the handling mechanism 200 includes: a first baffle 240 and a second baffle 250. The first baffle 240 is disposed on one side of the base 210 close to the unloading mechanism 400, and the second baffle 250 is disposed on the other side of the base 210 away from the unloading mechanism 400. A channel is formed between the corresponding end faces of the first baffle 240 and the second baffle 250 for communicating the processing position 212 with the initial position 211. Among them, a through hole is provided at the position of the first baffle 240 corresponding to the processing position 212, and the second push rod 410 is disposed through the through hole and is slidably engaged with the first baffle 240.

[0048] Specifically, as Figure 3 shown, the first baffle 240 and the second baffle 250 are respectively disposed on both sides of the initial position 211 and the processing position 212. A channel for communicating the initial position 211 and the processing position 212 is formed between the first baffle 240 and the second baffle 250. The first push rod 220 moves in the channel to push the workpiece 20 along the channel from the initial position 211 to the processing position 212.

[0049] Specifically, as Figure 4 shown, the unloading mechanism 400 is connected to the base 210 and corresponds to the processing position 212. A through hole is provided at the position of the first baffle 240 corresponding to the processing position 212, and the second push rod 410 is disposed through the through hole.

[0050] Specifically, the unloading mechanism 400 further includes a pushing device 420. The pushing device 420 is connected to the second push rod 410 to provide a thrust force for the second push rod 410.

[0051] Further, the unloading mechanism 400 includes a blanking track 430. The blanking track 430 is disposed on one side of the base 210 away from the second push rod 410, and the inlet section of the blanking track 430 is communicated with the processing position 212.

[0052] Specifically, the blanking track 430 is disposed on one side of the base 210 away from the second push rod 410. When the second push rod 410 pushes the first workpiece out of the processing position 212, the first workpiece falls onto the blanking track 430. A storage box for storing the first workpiece can be disposed below the blanking track, so that the processed first workpiece falls into the storage box through the blanking track 430.

[0053] Further, as Figure 5 shown, the waste silk mechanism 300 includes a bracket 310, a guide rail assembly 320, a tool assembly 330, and a driving assembly. The guide rail assembly 320 is disposed on the bracket 310. The tool assembly 330 is connected to the guide rail assembly 320. The tool assembly 330 includes a waste silk blade 331 facing the processing position. The driving assembly is connected to the tool assembly 330 to drive the tool assembly 330 to move in a direction close to or away from the processing position 212.

[0054] Specifically, the bracket 310 is arranged on one side of the base 210, and the tool assembly 330 on the bracket 310 is located directly above the machining position 212.

[0055] Specifically, the guide rail assembly 320 includes a guide rail 321, the drive assembly includes a motor 322, the tool assembly 330 is connected to the guide rail 321, and the motor 322 provides power to enable the tool assembly 330 to move along the guide rail 321.

[0056] Furthermore, the tool assembly 330 includes a drive motor 332 and a floating tool holder 333; one end of the floating tool holder 333 is connected to the drive motor 332, and the other end is connected to the wire-removing blade 331.

[0057] Specifically, the drive motor 332 in the tool assembly 330 provides rotational torque for the wire-removing blade 331, and a floating tool holder 333 is provided between the wire-removing blade 331 and the drive motor 332; when the wire-removing mechanism 300 performs wire removal, the motor 322 drives the tool assembly 330 to move downward along the guide rail, so that the wire-removing blade 331 enters the nut hole of the workpiece 20. When the wire-removing blade 331 presses down, the floating tool holder 333 provides an elastic force, and at the same time, the drive motor 332 makes a fine movement to align the wire-removing blade 331 with the nut thread to prevent thread jamming. After the wire-removing blade 331 is completely aligned with the nut thread, the drive motor 332 drives the wire-removing blade 331 to rotate to complete wire removal.

[0058] Furthermore, as Figure 5 shown, the wire-removing mechanism 300 includes: a cleaning device 340, which is arranged on the bracket 310; when the drive assembly drives the tool assembly 330 to move in the direction close to and / or away from the machining position 212, the cleaning device 340 cleans the wire-removing blade 331.

[0059] Furthermore, the cleaning device 340 includes a suction head 341 and a suction machine 342 that are interconnected, and a cleaning brush 343; the suction head 341 is arranged on the bracket 310, and the suction machine 342 is arranged on one side of the screw-nut wire-removing device; the cleaning brush 343 is arranged on the suction head 341 and protrudes relative to the edge of the suction head 341.

[0060] Specifically, the suction head 341 is arranged between the tool assembly 330 and the machining position 212; when the tool assembly moves in the direction close to or away from the machining position 212, the wire-removing blade 331 passes by the suction head 341. At this time, the suction head 341 works to suck away the waste of the wire-removing blade 331; at the same time, a cleaning brush 343 is provided on the suction head 341. When the wire-removing blade 331 passes by the suction head 341, the cleaning brush 343 will sweep away the stubborn waste on the wire-removing blade 331.

[0061] Further, the loading mechanism 100 includes a vibrating bowl 110 and a loading track 120. One end of the loading track 120 is connected to the vibrating bowl 110, and the other end is connected to the handling mechanism 200.

[0062] Specifically, as Figure 6 shown, through its vibrating action, the vibrating bowl 110 can orderly arrange the scattered workpieces 20 and feed them into the loading track 120; the loading track 120 is connected to the initial position 211 on the base 210 to convey the workpieces 20 to be processed to the initial position 211.

[0063] Although the present utility model is disclosed as above, the present utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the scope defined by the claims.

Claims

1. A screw nut wire returning device, characterized in that, The screw nut wire returning device includes: A feeding mechanism (100) for conveying the workpiece to be processed to the initial position (211); A handling mechanism (200) which is arranged on one side of the feeding mechanism (100) and is used for handling the workpiece from the initial position (211) to the processing position (212); A wire returning mechanism (300) which is arranged on one side of the handling mechanism (200) and is used for wire returning the workpiece at the processing position (212) to obtain a first processed part; A discharging mechanism (400) which is arranged on one side of the handling mechanism (200) and is used for moving the first processed part out of the processing position (212).

2. The wire return device for the lead screw nut according to claim 1, characterized in that, The handling mechanism (200) includes: A base (210) on which the relatively arranged initial position (211) and the processing position (212) are provided; A first push rod (220) which is slidably connected to the base (210) and the first push rod (220) faces the processing position (212); A positioning block (230) which is arranged on one side of the processing position (212) on the base (210) and is arranged away from the first push rod (220); Wherein, the first push rod (220) pushes the workpiece from the initial position (211) to the processing position (212), and the first push rod (220) and the positioning block (230) cooperate to fix the workpiece to the processing position (212).

3. The wire returning device for the lead screw nut according to claim 2, characterized in that, The discharging mechanism (400) includes: A second push rod (410) whose free end faces the processing position (212), and the second push rod (410) pushes the first processed part out of the processing position (212).

4. The wire return device for the lead screw nut according to claim 3, characterized in that, The handling mechanism (200) further includes: A first baffle (240) which is arranged on the base (210) on the side close to the discharging mechanism (400); A second baffle (250) which is arranged on the base (210) on the side away from the discharging mechanism (400); A channel is formed between the corresponding end faces of the first baffle (240) and the second baffle (250) for communicating the processing position (212) and the initial position (211); Wherein, a through hole is provided at the position of the first baffle (240) corresponding to the processing position (212), and the second push rod (410) passes through the through hole and is slidably matched with the first baffle (240).

5. The wire return device for the lead screw nut according to claim 3, characterized in that, The discharging mechanism (400) further includes: A blanking track (430) which is arranged on the side of the base (210) away from the second push rod (410), and the inlet section of the blanking track (430) is communicated with the processing position (212).

6. The wire return device for the lead screw nut according to claim 1, characterized in that, The wire returning mechanism (300) includes: A bracket (310); A guide rail assembly (320), the guide rail assembly (320) is provided on the bracket (310); A tool assembly (330), the tool assembly (330) is connected to the guide rail assembly (320), and the tool assembly (330) includes a wire-returning blade (331) facing the machining position; A drive assembly, the drive assembly is connected to the tool assembly (330) to drive the tool assembly (330) to move in a direction close to or away from the machining position (212).

7. The wire return device for the lead screw nut according to claim 6, wherein The tool assembly (330) includes: A drive motor (332); A floating tool holder (333), one end of the floating tool holder (333) is connected to the drive motor (332), and the other end is connected to the wire-returning blade (331).

8. The wire return device for the lead screw nut according to claim 6, wherein The wire-returning mechanism (300) further includes: A cleaning device (340), the cleaning device (340) is provided on the bracket (310); When the drive assembly drives the tool assembly (330) to move in a direction close to and / or away from the machining position (212), the cleaning device (340) cleans the wire-returning blade (331).

9. The wire return device for the lead screw nut according to claim 8, characterized in that, The cleaning device (340) includes: A suction head (341) and a suction machine (342) that are interconnected, the suction head (341) is provided on the bracket (310), and the suction machine (342) is arranged on one side of the lead screw nut wire-returning device; A cleaning brush (343), the cleaning brush (343) is arranged on the suction head (341) and protrudes relative to the edge of the suction head (341).

10. The wire returning device for the lead screw nut according to any one of claims 1 to 9, characterized in that, The feeding mechanism (100) includes: A vibrating bowl (110); A feeding track (120), one end of the feeding track (120) is connected to the vibrating bowl (110), and the other end is connected to the handling mechanism (200).

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