Shaft workpiece assembling device and assembling method

Abstract

The application relates to the technical field of automatic assembly of shaft workpieces, and particularly discloses a shaft workpiece assembly device and an assembly method. The shaft workpiece assembly device comprises a support feeding mechanism, a shaft workpiece feeding mechanism, a shaft workpiece distributing mechanism and a shaft workpiece pressing mechanism. The support feeding mechanism is used for conveying a support to an assembly position; the shaft workpiece feeding mechanism is used for conveying a shaft workpiece to a feeding channel in a posture with one end of the long and thin shaft facing the conveying channel; the shaft workpiece distributing mechanism is used for conveying the shaft workpiece from the feeding channel to a discharging channel; and the shaft workpiece pressing mechanism is used for pressing the shaft workpiece in the discharging channel into a mounting hole of the support. The shaft workpiece assembly device can realize automatic assembly of the shaft workpiece, and the assembly efficiency and accuracy are relatively high.

Description

Technical Field

[0001] This invention relates to the field of automatic assembly technology for shaft-type workpieces, and in particular to a shaft-type workpiece assembly equipment and assembly method. Background Technology

[0002] The operating system is one of the core components of circuit breaker products, and the metal shaft of the operating system is an important positioning part for assembling other components of the operating system.

[0003] Currently, metal shafts are manufactured using manual assembly. Operators must manually place the metal shaft onto the mounting post of the operating system's bracket and then press firmly to ensure an interference fit between the metal shaft and the hole inside the mounting post. This assembly method is difficult to operate, resulting in low efficiency, and its over-reliance on manual operation increases the risk of incomplete assembly and assembly errors.

[0004] Therefore, there is an urgent need to propose an assembly equipment and method for shaft-type workpieces to solve the above-mentioned technical problems. Summary of the Invention

[0005] According to one aspect of the present invention, the present invention provides a shaft workpiece assembly device, which can realize the automatic assembly of shaft workpieces with high assembly efficiency and accuracy.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A shaft assembly device is used to assemble shaft workpieces into mounting holes of a bracket. The shaft workpiece includes a main body and a long slender shaft and a short slender shaft respectively disposed at both ends of the main body. The long slender shaft is interference-fitted with the mounting hole. The shaft assembly device includes:

[0008] A bracket feeding mechanism is used to transport the bracket to the assembly position;

[0009] A shaft-type workpiece feeding mechanism is used to transport the shaft-type workpiece to the feeding channel with one end of the long thin shaft facing the conveying channel;

[0010] A shaft-type workpiece material distribution mechanism includes a mounting plate, a loading block fixedly mounted on the mounting plate, a conveying assembly disposed on the mounting plate, and a unloading block disposed at the end of the mounting plate near the assembly position. The loading block has a loading channel extending vertically through the loading block, and the unloading block has a unloading channel extending vertically through the unloading block. The unloading channel is located at the assembly position and communicates with the mounting hole of the bracket. The conveying assembly is used to convey the shaft-type workpiece in the loading channel into the unloading channel with one end of the long slender shaft facing downwards.

[0011] A shaft-type workpiece pressing mechanism includes a first frame, a first pressing assembly and a second pressing assembly disposed on the first frame and respectively located above and below the assembly position. The second pressing assembly is used to support the bracket below the bracket. The first pressing assembly can be raised and lowered in the vertical direction to abut against the shaft-type workpiece in the feeding channel and press the long slender shaft of the shaft-type workpiece into the mounting hole.

[0012] Optionally, the conveying assembly includes a material distribution block located below the loading block and slidably disposed on the mounting plate, and a first sliding drive member connected to the material distribution block;

[0013] The material distribution block is provided with a material distribution channel that runs vertically through the material distribution block. The first sliding drive member is used to drive the material distribution block to move so that the material distribution channel is connected to the feeding channel or the unloading channel.

[0014] Optionally, the feeding block is further provided with a detection channel that communicates with one end of the feeding channel near the distributing block. The mounting plate is provided with a material detection unit, and the probe of the material detection unit extends into the detection channel to detect whether the feeding channel contains the shaft-type workpiece.

[0015] Optionally, the feeding block is further provided with a stop channel communicating with the side of the feeding channel away from the distributing block and a stop assembly for limiting the shaft workpiece. The stop assembly includes a stop rod slidably disposed in the stop channel and a telescopic drive member connected to the stop rod. The telescopic drive member drives the stop rod to slide in the stop channel, so that the stop rod abuts or separates from the shaft workpiece in the feeding channel, thereby fixing or releasing another shaft workpiece adjacent to the shaft workpiece at the outlet of the feeding channel.

[0016] Optionally, the shaft workpiece sorting mechanism further includes a second frame, a first lifting drive component mounted on the second frame, and a lifting plate connected to the first lifting drive component. The end of the lifting plate away from the first lifting drive component is connected to the mounting plate. The first lifting drive component drives the lifting plate and causes the mounting plate to rise and fall, so that the unloading channel is connected to or separated from the mounting hole.

[0017] Optionally, the first press-fit assembly includes:

[0018] The second lifting drive component is mounted on the first frame;

[0019] The first lifting slider is slidably connected to the first frame in a vertical direction. The upper end of the first lifting slider is connected to the output end of the second lifting drive. The lower end of the first lifting slider is provided with a push rod extending in a vertical direction. The second lifting drive drives the first lifting slider to move in a vertical direction, causing the push rod to enter the feeding channel and abut against the shaft workpiece, and pressing the long slender shaft of the shaft workpiece into the mounting hole.

[0020] The displacement detection unit includes a transmitter and a trigger. The transmitter is provided on one of the first frame and the first lifting slider, and the trigger is provided on the other. When the second lifting drive drives the first lifting slider to move downward, causing the trigger to connect with the transmitter and generate a signal, the second lifting drive stops moving, and the shaft workpiece is pressed into place.

[0021] Optionally, the first frame is further provided with a guide block, the guide block is provided with a guide channel that runs through in the vertical direction, the guide channel is arranged opposite to the mounting hole, and the push rod slides through the guide channel during the process of pressing the shaft workpiece.

[0022] Optionally, an upper limit block and a lower limit block are respectively provided on the opposite side walls of the first lifting slider. On the first frame, a first buffer and a second buffer that cooperate with the upper limit block and the lower limit block are respectively provided on both sides of the first lifting slider.

[0023] When the push rod is in the initial position, the upper surface of the upper limit block abuts against the first buffer; when the push rod is in the termination position, the lower surface of the lower limit block abuts against the second buffer.

[0024] The termination position is the position where the push rod presses the long slender shaft of the shaft-like workpiece into place.

[0025] Optionally, the second press-fit assembly includes:

[0026] The second sliding drive component is mounted on the first frame;

[0027] A steering block, wherein the steering block is provided with interconnected horizontal and vertical slide tracks;

[0028] A translation slider, wherein the first end of the translation slider is connected to the output end of the second sliding drive member, the second end of the translation slider is slidably disposed in the horizontal slide rail, and the second end of the translation slider has an inclined surface that is inclined away from the first end of the translation slider;

[0029] The second lifting slider has its lower end slidably disposed within the vertical slide rail and abutting against the inclined surface, while its upper end is used to support the bracket.

[0030] The second sliding drive member drives the translation slider to move in the horizontal direction, so that the second lifting slider abuts against the bracket or separates from the bracket in the vertical direction under the drive of the inclined plane.

[0031] Optionally, the upper end of the second lifting slider is provided with an upper connecting position, and the steering block is provided with a lower connecting position opposite to the lower end of the second lifting slider. The upper end of the elastic element is connected to the upper connecting position, and the lower end of the elastic element is connected to the lower connecting position. The elastic element is configured to always have the tendency to pull the second lifting slider down to abut against the inclined surface.

[0032] Optionally, the shaft-type workpiece feeding mechanism includes:

[0033] Third rack;

[0034] A feeding plate is set on the third frame. The feeding plate is provided with a central hole, a first inlet channel and an outlet channel that are connected to the central hole and the outside and both point to the center of the feeding plate, and an air blowing channel. The air blowing channel and the outlet channel are symmetrically arranged with respect to the center of the feeding plate.

[0035] A feeding assembly is used to transport the shaft-type workpiece into the first feeding channel;

[0036] An orientation detection unit is disposed on the feeding platen. The detection head of the orientation detection unit is opposite to the first feeding channel and is used to detect the orientation of the long thin shaft of the shaft-type workpiece in the first feeding channel.

[0037] A feeding disc is rotatably disposed in the central hole, and a second feeding channel is provided on the feeding disc, which passes through the center of the feeding disc.

[0038] A rotation drive is mounted on the third frame. The output end of the rotation drive is connected to the feeding disc. The rotation drive drives the feeding disc to rotate in a preset direction and angle according to the orientation of the long slender shaft of the shaft workpiece detected by the orientation detection unit, so that the feeding disc switches between the feeding state and the discharging state.

[0039] An air blowing unit is provided at the air inlet of the air blowing channel and is used to blow air into the air blowing channel when the feeding disc is in the discharge state, so that the shaft workpiece is discharged from the discharge channel.

[0040] The discharge pipe has one end connected to the discharge port of the discharge channel and the other end connected to the feeding channel, and the discharge pipe has the conveying channel inside.

[0041] Optionally, the feeding plate is provided with a first state detection element and a second state detection element. The first state detection element is used to detect whether there is the shaft-type workpiece in the first feeding channel, and the second state detection element is used to detect whether there is the shaft-type workpiece in the second feeding channel.

[0042] Optionally, the shaft-type workpiece feeding mechanism further includes:

[0043] A bearing mounting base is provided on the third frame, and a bearing is provided on the bearing mounting base;

[0044] A rotating shaft passes through the bearing, with its first end rotatably disposed within the central hole to form the feeding disc, and the other end of the rotating shaft connected to the rotating drive component.

[0045] Optionally, the feeding assembly is connected to the first feeding channel via a feeding pipe, and a feeding detection unit is provided at one end of the feeding pipe near the first feeding channel. The feeding detection unit is used to detect whether there is a shaft-type workpiece being conveyed into the first feeding channel from the feeding pipe.

[0046] According to another aspect of the present invention, the present invention provides a method for assembling shaft-type workpieces, applied to the shaft-type workpiece assembly equipment described in any of the above-mentioned technical solutions, the method comprising:

[0047] S100, the control bracket feeding mechanism transports the bracket to the assembly position;

[0048] S200, the control mechanism for feeding shaft-type workpieces conveys the shaft-type workpieces to the feeding channel with one end of the long, thin shaft facing the conveying channel;

[0049] S300, The conveying component of the control shaft workpiece distribution mechanism conveys the shaft workpiece in the loading channel to the unloading channel;

[0050] S400, the second pressing assembly of the control shaft workpiece pressing mechanism abuts against the lower part of the bracket;

[0051] S500, control the first pressing component of the shaft workpiece pressing mechanism to descend and abut against the shaft workpiece in the feeding channel, and press the long slender shaft of the shaft workpiece into the mounting hole of the bracket.

[0052] Optionally, the control mechanism for feeding shaft-like workpieces to the feeding channel includes conveying the shaft-like workpieces with one end of a long, thin shaft facing the conveying channel.

[0053] The control feeding assembly transports the shaft-type workpiece into the first feeding channel, and the orientation of the long slender shaft of the shaft-type workpiece in the first feeding channel is detected by the orientation detection unit;

[0054] If the orientation detection unit does not detect a signal, it indicates that the long thin shaft of the shaft workpiece is oriented toward the conveying channel. Then, the rotation drive is controlled to drive the loading disc to rotate along the first preset direction and rotate by the first preset angle to the discharge state.

[0055] If the orientation detection unit detects a signal indicating that the long slender shaft of the shaft-type workpiece is away from the conveying channel, then the rotation drive is controlled to drive the feeding disc to rotate along the second preset direction and the second preset angle to the discharge state.

[0056] After the feeding disc rotates to the discharge state, the air blowing unit is controlled to blow air into the air blowing channel, so that the shaft workpiece is transported to the feeding channel through the discharge pipe.

[0057] Optionally, the first preset direction is opposite to the second preset direction, and the sum of the first preset angle and the second preset angle is 180°.

[0058] Optionally, the conveying assembly of the control shaft workpiece distribution mechanism for conveying the shaft workpiece from the loading channel to the unloading channel includes:

[0059] Acquire the detection signal from the material detection unit;

[0060] If the material detection unit does not generate a detection signal, indicating that the shaft-like workpiece is present at the bottom of the feeding channel, then the following steps are performed:

[0061] The telescopic drive component is controlled to drive the stop bar to press against another shaft workpiece adjacent to the shaft workpiece at the outlet of the feeding channel;

[0062] The first sliding drive component is controlled to drive the material distribution block to move towards the material loading block until the material distribution channel and the material loading channel are connected, so that the shaft workpiece located at the outlet of the material loading channel falls into the material distribution channel under the action of gravity;

[0063] Control the first sliding drive component to drive the material distribution block to move towards the material unloading block until the material distribution channel and the material unloading channel are connected, so that the shaft-type workpiece in the material distribution channel falls into the material unloading channel under the action of gravity;

[0064] If the material detection unit generates a detection signal indicating that there is no shaft-type workpiece at the outlet of the feeding channel, then continue to wait until the material detection unit no longer generates a detection signal.

[0065] Optionally, the second pressing assembly of the control shaft workpiece pressing mechanism abuts against the lower part of the bracket, including:

[0066] Control the second sliding drive to drive the translation slider to move closer to the second lifting slider until the second lifting slider abuts against the lower part of the bracket, and then control the second sliding drive to stop.

[0067] Optionally, the first pressing assembly of the control mechanism for pressing the shaft-like workpiece descends to contact the shaft-like workpiece in the unloading channel and presses the long slender shaft of the shaft-like workpiece into the mounting hole of the bracket, comprising:

[0068] The second lifting drive unit is controlled to drive the first lifting slider to descend, so that the push rod extends into the unloading channel and contacts the shaft workpiece, and presses the long slender shaft of the shaft workpiece into the mounting hole until the displacement detection unit generates a signal to control the second lifting drive unit to stop operating.

[0069] The beneficial effects of this invention are as follows:

[0070] This invention provides a shaft-type workpiece assembly device for assembling shaft-type workpieces into mounting holes of a bracket. The device includes a bracket feeding mechanism, a shaft-type workpiece feeding mechanism, a shaft-type workpiece sorting mechanism, and a shaft-type workpiece pressing mechanism. During shaft-type workpiece assembly, the bracket feeding mechanism transports the bracket to the assembly position to await the shaft-type workpieces; simultaneously, the shaft-type workpiece feeding mechanism transports the shaft-type workpieces with one end of its long, thin shaft facing the conveying channel to the feeding channel; then, the shaft-type workpiece sorting mechanism transports the shaft-type workpieces from the feeding channel to the unloading channel; finally, the shaft-type workpiece pressing mechanism presses the long, thin shaft of the shaft-type workpiece in the unloading channel into the mounting hole of the bracket, completing the assembly of the shaft-type workpieces. This shaft-type workpiece assembly device can achieve automatic assembly of shaft-type workpieces with high assembly efficiency and accuracy.

[0071] The shaft workpiece feeding mechanism includes a mounting plate, a feeding block, a conveying assembly, and a discharging block. The feeding mechanism transports the shaft workpieces, with one end of the long, thin shaft facing downwards, into the feeding channel within the feeding block. The conveying assembly then moves the shaft workpiece to the discharging channel of the discharging block, also with one end of the long, thin shaft facing downwards, ensuring proper insertion of the long, thin shaft into the mounting hole of the bracket, thus reducing installation errors. By connecting the discharging channel to the mounting hole of the bracket at the assembly position, the shaft workpiece is consistently guided vertically during insertion, preventing skewing during assembly, improving the smoothness of assembly, and avoiding damage to the bracket due to skewing during assembly, thereby enhancing the reliability of the shaft workpiece assembly equipment.

[0072] This invention also provides a method for assembling shaft-type workpieces, applied to the aforementioned shaft-type workpiece assembly equipment, to achieve the assembly of shaft-type workpieces. This method enables automatic assembly of shaft-type workpieces with high efficiency and accuracy. Attached Figure Description

[0073] Figure 1 This is an exploded view of the shaft-type workpiece and the bracket provided in an embodiment of the present invention;

[0074] Figure 2 This is a schematic diagram of the structure of the shaft workpiece feeding mechanism and the shaft workpiece pressing mechanism provided in the embodiments of the present invention;

[0075] Figure 3 This is an assembly diagram of the shaft workpiece feeding mechanism and support provided in an embodiment of the present invention;

[0076] Figure 4 This is an assembly drawing of the material cutting block, bracket, and carrier provided in an embodiment of the present invention;

[0077] Figure 5 An assembly diagram of the handling components and mounting plate provided in an embodiment of the present invention;

[0078] Figure 6 A cross-sectional view of the assembly diagram of the feeding block, mounting plate, and material detection unit provided in an embodiment of the present invention;

[0079] Figure 7 A cross-sectional view of the assembly drawing of the feeding block and the stop assembly provided in an embodiment of the present invention;

[0080] Figure 8 This is a schematic diagram of the structure of the shaft workpiece pressing mechanism provided in an embodiment of the present invention;

[0081] Figure 9 A cross-sectional view of the second press-fit assembly provided in an embodiment of the present invention;

[0082] Figure 10 This is a schematic diagram of the structure of the shaft workpiece feeding mechanism provided in an embodiment of the present invention;

[0083] Figure 11 This is a partially enlarged cross-sectional view of the shaft workpiece feeding mechanism provided in an embodiment of the present invention;

[0084] Figure 12 A flowchart illustrating a method for assembling shaft-type workpieces according to an embodiment of the present invention.

[0085] In the picture:

[0086] 10. Shaft-type workpieces; 11. Main body; 12. Long slender shaft; 13. Short slender shaft; 20. Bracket; 21. Mounting hole;

[0087] 100. Vehicles;

[0088] 200. Shaft-type workpiece feeding mechanism; 201. Feed pipe; 202. Feed detection unit; 210. Third frame; 220. Feeding plate; 221. First feeding channel; 222. Discharge channel; 223. Air blowing channel; 224. First state detection component; 225. Second state detection component; 230. Orientation detection unit; 240. Feeding moving plate; 241. Second feeding channel; 250. Rotation drive component; 260. Air blowing unit; 270. Discharge pipe; 280. Bearing fixing seat; 290. Rotating shaft;

[0089] 300. Shaft-type workpiece sorting mechanism; 310. Mounting plate; 311. Sliding wall; 312. Third buffer; 313. Fourth buffer; 320. Loading block; 321. Loading channel; 322. Detection channel; 323. Stop channel; 324. Mounting base; 330. Handling assembly; 331. Sorting block; 3311. Sorting channel; 3312. Limiting plate; 332. First sliding drive component; 340. Unloading block; 341. Unloading channel; 350. Material detection unit; 360. Stop assembly; 361. Stop rod; 362. Telescopic drive component; 370. Second frame; 380. First lifting drive component; 390. Lifting plate;

[0090] 400. Shaft-type workpiece pressing mechanism; 410. First frame; 411. First buffer; 412. Second buffer; 413. Pressing limit block; 420. First pressing assembly; 421. Second lifting drive; 422. First lifting slider; 4221. Upper limit block; 4222. Lower limit block; 423. Push rod; 424. Displacement detection unit; 4241. Launching end; 4242. Triggering end; 425. Guide block; 430. Second pressing assembly; 431. Second sliding drive; 432. Steering block; 4321. Lower connecting position; 433. Translation slider; 4331. Inclined surface; 434. Second lifting slider; 4341. Upper connecting position; 435. Support block; 436. Elastic element. Detailed Implementation

[0091] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0092] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions. Furthermore, "above," "on top of," and "over" the first feature in relation to the second feature includes the first feature directly above and diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "under," and "below" the first feature in relation to the second feature includes the first feature directly below and diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0093] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0094] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0095] Example 1

[0096] like Figure 1 As shown, the shaft workpiece 10 includes a main body 11 and a long thin shaft 12 and a short thin shaft 13 respectively disposed at both ends of the main body 11. Assembling the shaft workpiece 10 and the bracket 20 requires inserting the long thin shaft 12 of the shaft workpiece 10 into the mounting hole 21 of the bracket 20, i.e., inserting the long thin shaft 12 into the mounting hole 21 to achieve an interference fit. Because the long thin shaft 12 is in an interference fit with the mounting hole 21, manual assembly requires considerable pressing force to press the long thin shaft 12 into the mounting hole 21, making the operation difficult, inefficient, and overly reliant on manual operation, increasing the risk of incomplete assembly and assembly errors.

[0097] To address the aforementioned issues, this embodiment provides a shaft-type workpiece assembly device capable of automatically assembling shaft-type workpieces 10 with high assembly efficiency and accuracy. In one possible embodiment, this shaft-type workpiece assembly device is used to assemble metal shafts in a circuit breaker operating system.

[0098] like Figures 2-11 As shown, the shaft workpiece assembly equipment includes a support feeding mechanism (not shown in the figure), a shaft workpiece feeding mechanism 200, a shaft workpiece sorting mechanism 300, and a shaft workpiece pressing mechanism 400.

[0099] The bracket feeding mechanism is used to transport the bracket 20 to the assembly position. Optionally, the bracket feeding mechanism can be a belt conveyor. To facilitate the fixing of the bracket 20, the bracket 20 is generally fixed inside the carrier 100. A fixing groove can be set inside the carrier 100, and the bracket 20 can be installed in the fixing groove. The structure is simple and facilitates the installation and disassembly of the bracket 20.

[0100] The shaft workpiece feeding mechanism 200 is used to transport the shaft workpiece 10 to the feeding channel 321 with one end of the long thin shaft 12 facing the conveying channel. This setting enables intelligent recognition of the direction of the long thin shaft 12 of the shaft workpiece 10, reducing the installation error rate.

[0101] The shaft workpiece sorting mechanism 300 includes a mounting plate 310, a loading block 320 mounted on the mounting plate 310, a conveying assembly 330 disposed on the mounting plate 310, and a unloading block 340 disposed at the end of the mounting plate 310 near the assembly position. The loading block 320 has a loading channel 321 extending vertically through it, and the unloading block 340 has a unloading channel 341 extending vertically through it. The unloading channel 341 is located at the assembly position and communicates with the mounting hole 21 of the bracket 20. The conveying assembly 330 is used to convey the shaft workpiece 10 in the loading channel 321 into the unloading channel 341 with one end of the slender shaft 12 facing downwards.

[0102] The conveying assembly 330 transports the shaft workpiece 10 into the unloading channel 341 of the unloading block 340 with one end of the long thin shaft 12 facing downwards, ensuring that the long thin shaft 12 of the shaft workpiece 10 is inserted into the mounting hole 21 of the bracket 20, thus reducing the installation error rate. By setting the unloading channel 341 to communicate with the mounting hole 21 of the bracket 20 on the assembly position, the shaft workpiece 10 can be guided vertically throughout the process of inserting the long thin shaft 12 into the mounting hole 21, preventing the shaft workpiece 10 from tilting during assembly, improving the smoothness of shaft workpiece 10 assembly, and also preventing damage to the bracket 20 due to tilting of the shaft workpiece 10 during assembly, thereby improving the working reliability of the shaft workpiece assembly equipment.

[0103] The shaft workpiece pressing mechanism 400 includes a first frame 410, a first pressing assembly 420 and a second pressing assembly 430 disposed on the first frame 410 and respectively located above and below the assembly position. The second pressing assembly 430 supports the bracket 20 below the bracket 20. The first pressing assembly 420 can move vertically to abut against the shaft workpiece 10 in the feeding channel 341 and press the long slender shaft 12 of the shaft workpiece 10 into the mounting hole 21. This shaft workpiece pressing mechanism 400 has a simple structure and high operational reliability.

[0104] It is worth noting that multiple shaft-type workpieces 10 may need to be assembled on a single bracket 20, and each shaft-type workpiece 10 is assembled in the same way.

[0105] It is worth noting that, such as Figure 2 As shown, in this embodiment, the vertical direction is the direction indicated by the Z-axis, where the positive direction of the Z-axis is called "up" and the negative direction of the Z-axis is called "down".

[0106] Further, see also Figure 3 and Figure 5 The conveying assembly 330 includes a material distribution block 331 located below the loading block 320 and slidably disposed on the mounting plate 310, and a first sliding drive member 332 connected to the material distribution block 331.

[0107] The material distribution block 331 is provided with a material distribution channel 3311 that runs vertically through the material distribution block 331. The first sliding drive member 332 is used to drive the material distribution block 331 to move so that the material distribution channel 3311 can be connected to the loading channel 321 or the unloading channel 341.

[0108] When the first sliding drive member 332 drives the material distribution block 331 to move, so that the material distribution channel 3311 is connected to the feeding channel 321, the shaft workpiece 10 in the feeding channel 321 can fall into the material distribution channel 3311 under the action of gravity; when the first sliding drive member 332 drives the material distribution block 331 to move, so that the material distribution channel 3311 is connected to the unloading channel 341, the shaft workpiece 10 in the material distribution channel 3311 can fall into the unloading channel 341 under the action of gravity.

[0109] The conveying assembly 330 has a simple structure. By controlling the first sliding drive component 332, the shaft workpiece 10 can be conveyed into the unloading channel 341 with one end of the long thin shaft 12 facing downwards. The control method is simple.

[0110] It is understandable that the first sliding drive component 332 may be, but is not limited to, a cylinder.

[0111] Preferably, a guide slope 4331 is provided at one end of the material distribution channel 3311 near the loading channel 321 to guide the movement of the shaft workpiece 10 entering the material distribution channel 3311 from the loading channel 321.

[0112] Further, see also Figure 3 and Figure 5 Two sliding walls 311 are symmetrically arranged on both sides of the mounting plate 310, forming a sliding groove with the mounting plate 310. The material distribution block 331 is slidably disposed in the sliding groove. By setting two sliding walls 311 to guide and limit the sliding of the material distribution block 331, the smoothness and reliability of the sliding of the material distribution block 331 can be improved.

[0113] In this embodiment, the feeding block 320 is installed on two sliding walls 311.

[0114] Further, see also Figure 5 A limiting plate 3312 is provided at one end of the material distribution block 331 near the first sliding drive component 332. One end of the limiting plate 3312 is connected to the material distribution block 331, and the other end is floatingly connected to the output end of the first sliding drive component 332. The connection between the material distribution block 331 and the first sliding drive component 332 is achieved through the limiting plate 3312. The structure is simple and the installation and disassembly are relatively convenient.

[0115] Preferably, see continue to see Figure 5 A third buffer 312 is provided at the end of the mounting plate 310 away from the assembly position. A limiting plate 3312 can abut against the third buffer 312. When the limiting plate 3312 abuts against the third buffer 312, the material distribution channel 3311 is connected to the loading channel 321. A fourth buffer 313 is provided on the limiting plate 3312. The fourth buffer 313 can abut against one of the sliding walls 311. When the fourth buffer 313 abuts against the sliding wall 311, the material distribution channel 3311 is connected to the unloading channel 341. By setting the third buffer 312 and the fourth buffer 313, the sliding stroke of the material distribution block 331 can be limited, improving the reliability of the material distribution block 331 in handling shaft-type workpieces 10.

[0116] Further, see also Figure 3 and Figure 6 The feeding block 320 is also provided with a detection channel 322 that is connected to one end of the feeding channel 321 near the distribution block 331. The mounting plate 310 is provided with a material detection unit 350. The probe of the material detection unit 350 extends into the detection channel 322 to detect whether the feeding channel 321 contains a shaft workpiece 10.

[0117] When the material detection unit 350 detects that there is a shaft-type workpiece 10 in the feeding channel 321, it controls the first sliding drive 332 to drive the material distribution block 331 to move so that the material distribution channel 3311 is connected to the feeding channel 321 and receives the shaft-type workpiece 10 in the feeding channel 321.

[0118] Optionally, in this embodiment, the material detection unit 350 is a through-beam photoelectric sensor. Correspondingly, detection channels 322 are provided on both sides of the feeding block 320, and the transmitting probe and receiving probe of the through-beam photoelectric sensor extend into the corresponding two detection channels 322.

[0119] Further, see also Figure 3 and Figure 7 The feeding block 320 is also provided with a stop channel 323 that is connected to the side of the feeding channel 321 away from the distribution block 331, and a stop assembly 360 for limiting the shaft workpiece 10.

[0120] The stop assembly 360 includes a stop rod 361 slidably disposed in the stop channel 323 and a telescopic drive member 362 connected to the stop rod 361. The telescopic drive member 362 drives the stop rod 361 to slide in the stop channel 323, so that the stop rod 361 abuts against or separates from the shaft workpiece 10 in the feeding channel 321, thereby fixing or loosening another shaft workpiece 10 adjacent to the shaft workpiece 10 at the outlet of the feeding channel 321.

[0121] For ease of understanding, the shaft-type workpiece 10 located at the outlet of the feeding channel 321 is defined as the first workpiece, and the shaft-type workpiece 10 adjacent to the first workpiece is defined as the second workpiece. The specific working process of the stop assembly 360 is as follows: when the material detection unit 350 detects that there is a first workpiece at the outlet of the feeding channel 321, the telescopic drive member 362 drives the stop rod 361 to press against the second workpiece to fix the second workpiece; then, the first sliding drive member 332 drives the material distribution channel 3311 of the material distribution block 331 to connect with the feeding channel 321, so that the first workpiece falls into the material distribution channel 3311 under the action of gravity.

[0122] By setting the stop assembly 360 to stop the second workpiece, the purpose of sequentially feeding the material distribution channel 3311 can be achieved. Furthermore, during the process of the material distribution block 331 sliding on the mounting plate 310 to transport the shaft workpiece 10 into the unloading channel 341, the second workpiece in the feeding channel 321 will not come into contact with the material distribution block 331 due to the stop of the stop assembly 360, thus avoiding sliding friction between the second workpiece and the material distribution block 331 and causing wear on the second workpiece.

[0123] Optionally, the stop assembly 360 can be a needle valve cylinder.

[0124] Optionally, see [link to relevant documentation] Figure 7The feeding block 320 is provided with a mounting base 324, and the telescopic drive component 362 is mounted on the mounting base 324.

[0125] Further, see also Figure 2 and Figure 3 The shaft workpiece sorting mechanism 300 also includes a second frame 370, a first lifting drive 380 mounted on the second frame 370, and a lifting plate 390 connected to the first lifting drive 380.

[0126] The end of the lifting plate 390 away from the first lifting drive 380 is connected to the mounting plate 310. The first lifting drive 380 drives the lifting plate 390 to lift and lower, which in turn drives the mounting plate 310 to lift and lower. The lifting and lowering of the mounting plate 310 will drive the unloading block 340 mounted on it to lift and lower, so that the unloading channel 341 on the unloading block 340 is connected to or separated from the mounting hole 21 on the bracket 20.

[0127] Specifically, when the bracket feeding mechanism has not transported the bracket 20 to the assembly position, the first lifting drive 380 drives the mounting plate 310 to rise, so that the unloading block 340 moves away from the assembly position. After the shaft workpiece 10 is installed into the bracket 20 in the assembly position, the first lifting drive 380 also drives the mounting plate 310 to rise, so that the unloading block 340 moves away from the assembly position, making it easier to transport the assembled bracket 20 to the next process.

[0128] After the support feeding mechanism transports the support 20 to the assembly position to wait for assembly, the first lifting drive 380 will drive the mounting plate 310 to descend, so that the unloading block 340 gradually approaches the mounting hole 21 on the support 20 until the unloading channel 341 on the unloading block 340 is connected to the mounting hole 21, so as to guide the assembly of the shaft workpiece 10.

[0129] Understandably, the first lifting drive component 380 is optional but not limited to a cylinder.

[0130] Optionally, in this embodiment, the lifting plate 390 is slidably connected to the second frame 370 in the vertical direction. For example, the sliding connection between the lifting plate 390 and the second frame 370 can be achieved by a slider and a slide rail. This arrangement can improve the smoothness and stability of the lifting movement of the lifting plate 390.

[0131] Furthermore, such as Figure 2 and Figure 8 As shown, the first pressing assembly 420 includes a second lifting drive 421, a first lifting slider 422, and a displacement detection unit 424.

[0132] The second lifting drive component 421 is mounted on the first frame 410.

[0133] The first lifting slider 422 is slidably connected to the first frame 410 in the vertical direction. The upper end of the first lifting slider 422 is connected to the output end of the second lifting drive 421. The lower end of the first lifting slider 422 is provided with a push rod 423 extending in the vertical direction. The second lifting drive 421 drives the first lifting slider 422 to move in the vertical direction so that the push rod 423 abuts against the shaft workpiece 10 and presses the long thin shaft 12 of the shaft workpiece 10 into the mounting hole 21.

[0134] The displacement detection unit 424 includes a transmitter 4241 and a trigger 4242. One of the first frame 410 and the first lifting slider 422 is provided with a transmitter 4241 and the other is provided with a trigger 4242. When the second lifting drive 421 drives the first lifting slider 422 to move downward, causing the trigger 4242 to connect with the transmitter 4241 and generate a signal, the second lifting drive 421 stops moving, and the shaft workpiece 10 is pressed into place.

[0135] Specifically, the working process of the first press-fitting component 420 is as follows:

[0136] When the unloading channel 341 on the unloading block 340 is connected to the mounting hole 21 of the bracket 20, and there is a shaft workpiece 10 in the unloading channel 341, the second lifting drive 421 drives the first lifting slider 422 to descend. During the descent of the first lifting slider 422, the push rod 423 installed at the lower end of the first lifting slider 422 will enter the unloading channel 341 and contact the shaft workpiece 10 in the unloading channel 341. During the continued descent, the push rod 423 will press the long thin shaft 12 of the shaft workpiece 10 into the mounting hole 21 until the transmitter 4241 and the trigger 4242 of the displacement detection unit 424 are connected to generate a signal. The second lifting drive 421 stops moving, and the first lifting slider 422 stops moving. At this time, the push rod 423 presses all the long thin shaft 12 of the shaft workpiece 10 into the mounting hole 21, completing the assembly of the shaft workpiece 10.

[0137] By setting up a displacement detection unit 424, the pressing distance of the push rod 423 can be intelligently controlled to ensure that the shaft workpiece 10 can be installed in place, thus improving the working reliability of the aforementioned shaft workpiece assembly equipment. Furthermore, by setting the first lifting slider 422 to slide in connection with the first frame 410, the smoothness and stability of the movement of the push rod 423 driven by the first lifting slider 422 can be improved, ensuring that the push rod 423 can always apply vertical pressure to the shaft workpiece 10, thereby improving the stability of the push rod 423 pressing the shaft workpiece 10.

[0138] It is understandable that the second lifting drive component 421 may be, but is not limited to, a cylinder.

[0139] Optionally, in this embodiment, the transmitting end 4241 of the displacement detection unit 424 is a slotted photoelectric sensor, and the triggering end 4242 is a light-shielding plate.

[0140] Optionally, the first lifting slider 422 can be slidably connected to the first frame 410 through a slider and slide rail structure, which has a simple structure and good sliding smoothness.

[0141] Preferably, the displacement detection unit 4244's transmitter 4241 or trigger 4242 is adjustable in the vertical direction on the first frame 410, so that the first pressing assembly 420 can adaptively adjust the lifting distance of the push rod 423 according to the length of the slender shaft 12 of the shaft workpiece 10, which has high versatility.

[0142] Preferably, see continue to see Figure 2 and Figure 8 The first frame 410 is also equipped with a guide block 425, which has a guide channel running vertically through it. The guide channel is positioned opposite to the mounting hole 21. During the pressing process of the push rod 423, it slides through the guide channel. By setting the guide channel, the vertical movement of the push rod 423 can be guided, improving the reliability of the push rod 423 pressing the shaft-like workpiece 10.

[0143] Further, see also Figure 8 The upper limit block 4221 and the lower limit block 4222 are respectively provided on the opposite side walls of the first lifting slider 422. On the first frame 410, a first buffer 411 and a second buffer 412 that cooperate with the upper limit block 4221 and the lower limit block 4222 are respectively provided on both sides of the first lifting slider 422.

[0144] When push rod 423 is in the initial position, the upper surface of upper limit block 4221 abuts against the first buffer 411. When push rod 423 is in the termination position, the lower surface of lower limit block 4222 abuts against the second buffer 412. The termination position is the position where push rod 423 presses the long slender shaft 12 of shaft-type workpiece 10 into place.

[0145] By cooperating with the upper limit block 4221 and the first buffer 411, and with the lower limit block 4222 and the second buffer 412, the lifting distance of the first lifting slider 422 can be further limited, thereby limiting the lifting distance of the push rod 423 installed on the first lifting slider 422 for pressing the shaft workpiece 10, thus improving the reliability of the push rod 423 pressing the shaft workpiece 10.

[0146] Preferably, see continue to see Figure 8A press-fit limiting block 413 is also provided on the first frame 410 at a position opposite to the second buffer 412. When the push rod 423 is in the end position, the lower surface of the upper limit block 4221 abuts against the press-fit limiting block 413. The cooperation between the press-fit limiting block 413 and the upper limit block 4221 can assist the lower limit block 4222 and the second buffer 412 in limiting the end position of the push rod 423, preventing the push rod 423 from pressing the shaft workpiece 10 into the mounting hole 21 too far and damaging the bracket 20.

[0147] Furthermore, such as Figure 8 and Figure 9 As shown, the second pressing mechanism includes a steering block 432, a second sliding drive member 431, a translation slider 433, and a second lifting slider 434.

[0148] The second sliding drive component 431 is mounted on the first frame 410.

[0149] The steering block 432 has interconnected horizontal and vertical slides.

[0150] The first end of the translation slider 433 is connected to the output end of the second sliding drive member 431, the second end of the translation slider 433 is slidably disposed in the horizontal slide, and the second end of the translation slider 433 has an inclined surface 4331 that is inclined away from the first end of the translation slider 433.

[0151] The lower end of the second lifting slider 434 is slidably disposed in the vertical slide and abuts against the inclined surface 4331, and the upper end of the second lifting slider 434 is used to support the carrier 100.

[0152] The second sliding drive 431 drives the translation slider 433 to move horizontally toward the second lifting slider 434, so that the second lifting slider 434 can abut against the bracket 20 or separate from the bracket 20 in the vertical direction under the drive of the inclined surface 4331.

[0153] In this embodiment, since the bracket 20 is installed inside the carrier 100, the second lifting slider 434 can abut against the carrier 100 or be separated from the carrier 100.

[0154] When the support feeding mechanism transports the carrier 100 with the support 20 installed to the assembly position, the second lifting drive 421 is activated, causing the second lifting slider 434 to abut against the carrier 100 to support the carrier 100 and prepare for the press-fitting of the shaft workpiece 10.

[0155] The second pressing assembly 430 has a simple structure, and the lifting and lowering of the second lifting slider 434 is achieved by translating the slider 433, which can improve the structural compactness of the second pressing assembly 430.

[0156] Further, see also Figure 8 and Figure 9 A detachable support block 435 is provided at the upper end of the second lifting slider 434. The support block 435 is used to support the bracket 20. The structure of the support block 435 should be adapted to the structure of the bracket 20. With this setting, it is only necessary to selectively replace the corresponding support block 435 according to the different structures of the bracket 20, without replacing the second lifting slider 434. This allows for quick adaptation to new products when changing product models.

[0157] Preferably, see continue to see Figure 8 The upper end of the second lifting slider 434 is provided with an upper connecting position 4341, and the steering block 432 is provided with a lower connecting position 4321 that is opposite to the lower end of the second lifting slider 434. The upper end of the elastic member 436 is connected to the upper connecting position 4341, and the lower end of the elastic member 436 is connected to the lower connecting position 4321. The elastic member 436 is configured to always have the tendency to pull the second lifting slider 434 down to abut against the inclined surface 4331.

[0158] By setting the elastic element 436, when the shaft workpiece 10 is assembled and the bracket 20 needs to be transported to the next process, the second sliding drive element 431 needs to drive the translation slider 433 to move away from the second lifting slider 434. The second lifting slider 434 will descend under the action of gravity and the elastic restoring force of the elastic element 436, so that the second lifting slider 434 can always abut against the inclined surface 4331. This can achieve the purpose of the second lifting slider 434 moving away from the bracket 20, and also improve the reliability of the translation slider 433 driving the second lifting slider 434.

[0159] Optionally, in this embodiment, the second lifting slider 434 is provided with upper connecting positions 4341 at both ends. Correspondingly, each upper connecting position 4341 corresponds to a lower connecting position 4321, that is, two elastic elements 436 need to be provided. In this way, the uniformity of force on the second lifting slider 434 can be improved, which is conducive to improving the smoothness of the second lifting slider 434 rising and falling in the vertical direction.

[0160] It is understandable that the second sliding drive 431 may be, but is not limited to, a cylinder.

[0161] Furthermore, such as Figure 10 and Figure 11 As shown, the shaft workpiece feeding mechanism 200 includes a third frame 210, a feeding plate 220, a feeding assembly (not shown in the figure), an orientation detection unit 230, a feeding moving plate 240, a rotation drive component 250, an air blowing unit 260, and a discharge pipe 270.

[0162] The feeding plate 220 is mounted on the third frame 210. The feeding plate 220 has a central hole and a first inlet channel 221, an outlet channel 222, and an air blowing channel 223 that are all connected to the central hole and the outside and point to the center of the feeding plate 220. The air blowing channel 223 and the outlet channel 222 are symmetrically arranged relative to the center of the feeding plate 220.

[0163] The feeding assembly is used to transport the shaft workpiece 10 into the first feed channel 221.

[0164] The orientation detection unit 230 is set on the feeding plate 220. The detection head of the orientation detection unit 230 is opposite to the first feeding channel 221 and is used to detect the orientation of the long thin shaft 12 of the shaft workpiece 10 in the first feeding channel 221.

[0165] The feeding disc 240 is rotatably disposed in the central hole, and a second feeding channel 241 is provided on the feeding disc 240, which passes through the center of the feeding disc 240.

[0166] The rotation drive 250 is mounted on the third frame 210. The output end of the rotation drive 250 is connected to the feeding disc 240. The rotation drive 250 drives the feeding disc 240 to rotate in a preset direction and angle according to the orientation of the long thin shaft 12 of the shaft workpiece 10 detected by the orientation detection unit 230, so that the feeding disc 240 switches between the feeding state and the discharging state.

[0167] The air blowing unit 260 is located at the air inlet of the air blowing channel 223 and is used to blow air into the air blowing channel 223 when the feeding disc 240 is in the discharge state, so that the shaft workpiece 10 is discharged from the discharge channel 222.

[0168] One end of the discharge pipe 270 is connected to the discharge port of the discharge channel 222, and the other end is connected to the feeding channel 321. The discharge pipe 270 has a conveying channel inside.

[0169] It is worth noting that in the feeding state, one end of the second feeding channel 241 is connected to the first feeding channel 221, and the other end is blocked by the inner peripheral wall of the central hole.

[0170] In the discharge state, one end of the second feeding channel 241 is connected to the air blowing channel 223, and the other end is connected to the discharge channel 222. The long thin shaft 12 of the shaft workpiece 10 in the second feeding channel 241 is directly opposite the inlet of the discharge channel 222.

[0171] Specifically, the working process of the shaft workpiece feeding mechanism 200 is as follows:

[0172] Initially, the feeding disc 240 is in the discharge state. The feeding assembly transports the shaft workpiece 10 into the first feeding channel 221. Since the first feeding channel 221 is not connected to the second feeding channel 241 at this time, the shaft workpiece 10 will stop in the first feeding channel 221. The orientation detection unit 230 detects the orientation of the long thin shaft 12 of the shaft workpiece 10. After the detection is completed, the rotation drive 250 drives the feeding disc 240 to rotate to the feeding state. If the orientation detection unit 230 detects that the long thin shaft 12 is facing downwards, it controls the rotation drive 250 to drive the feeding disc 240 to rotate along the first preset direction by a first preset angle to the discharge state. If the orientation detection unit 230 detects that the long thin shaft 12 is facing upwards, it controls the rotation drive 250 to drive the feeding disc 240 to rotate along the second preset direction by a second preset angle to the discharge state. The first preset direction and the second preset direction are opposite, and the sum of the first preset angle and the second preset angle is 180°.

[0173] When the feeding disc 240 rotates to the discharge state, the air blowing unit 260 blows air into the air blowing channel 223, and the air pressure blows the shaft workpiece 10 in the second feeding channel 241 into the discharge channel 222, and then into the discharge pipe 270, and is transported to the feeding channel 321 along the discharge pipe 270.

[0174] Optionally, in this embodiment, the orientation detection unit 230 is a proximity switch. The feeding plate 220 is provided with a through hole that communicates with the outlet of the first feeding channel 221. The detection head of the proximity switch extends into the through hole. If the proximity switch generates a detection signal, it indicates that the part opposite to the proximity switch is the main body 11, that is, the long thin shaft 12 is facing upward at this time; if the proximity switch does not generate a detection signal, it indicates that the part opposite to the proximity switch is the long thin shaft 12, that is, the long thin shaft 12 is facing downward at this time.

[0175] It is worth noting that, according to the working principle of the proximity switch, a detection signal is generated when the obstacle is close to the proximity switch, and no detection signal is generated when the obstacle is far away. Therefore, when the long thin shaft 12 is opposite to the proximity switch, the long thin shaft 12 is far away from the proximity switch and no signal is generated; when the main body 11 is opposite to the proximity switch, the main body 11 has a larger diameter and is closer to the proximity switch, so a detection signal is generated.

[0176] Further, see also Figure 10 The feeding platen 220 is equipped with a first state detection element 224 and a second state detection element 225. The first state detection element 224 is used to detect whether there is a shaft-type workpiece 10 in the first feeding channel 221, and the second state detection element 225 is used to detect whether there is a shaft-type workpiece 10 in the second feeding channel 241.

[0177] Specifically, when the first state detection unit 224 detects that there is a shaft-type workpiece 10 in the first feeding channel 221, the orientation detection unit 230 starts to detect the orientation of the long thin shaft 12 of the shaft-type workpiece 10. After the orientation detection unit 230 completes the detection, the rotation drive unit 250 drives the feeding disk 240 to rotate to the feeding state. When the second state detection unit 225 detects that there is a shaft-type workpiece 10 in the second feeding channel 241, the rotation drive unit 250 rotates the feeding disk 240 to the discharging state according to the preset direction and angle.

[0178] By setting the first state detection element 224 and the second state detection element 225, the feeding status of the shaft workpiece 10 in the first feeding channel 221 and the second feeding channel 241 can be intelligently detected, thereby realizing the automated control of feeding the shaft workpiece 10.

[0179] The first state detection element 224 is optional, but not limited to, a reflecting optical fiber. The second state detection element 225 is optional, but not limited to, a reflecting optical fiber.

[0180] Further, see also Figure 10 The shaft-type workpiece feeding mechanism 200 also includes a bearing mounting base 280 and a rotating shaft 290. The bearing mounting base 280 is mounted on the third frame 210 and houses a bearing. The rotating shaft 290 passes through the bearing, with its first end rotatably positioned within a central hole to form a feeding disc 240. The other end of the rotating shaft 290 is connected to a rotation drive component 250. The connection between the rotating shaft 290 and the bearing improves the stability and smoothness of the rotation of the feeding disc 240. Furthermore, the structure is simple.

[0181] Further, see also Figure 10 The feeding assembly is connected to the first feeding channel 221 via the feeding pipe 201. A feeding detection unit 202 is provided at one end of the feeding pipe 201 near the first feeding channel 221. The feeding detection unit 202 is used to detect whether there is a shaft-like workpiece 10 being conveyed into the first feeding channel 221 within the feeding pipe 201. By setting up the feeding detection unit 202, the conveying status of the shaft-like workpiece 10 can be detected in real time.

[0182] Optionally, in this embodiment, the feed detection unit 202 is fixed by a U-shaped plate.

[0183] The feed detection unit 202 is optional but not limited to a retaining switch.

[0184] Alternatively, the feeding assembly can be a vibratory feeder. Since vibratory feeders are existing technology, their structure will not be described in detail.

[0185] Example 2

[0186] This embodiment provides a method for assembling shaft-type workpieces, which is applied to the aforementioned shaft-type workpiece assembly equipment. Using this method, the automatic assembly of shaft-type workpieces 10 can be achieved, with high assembly efficiency and high pass rate.

[0187] Specifically, such as Figure 12 As shown, the assembly method for this shaft-type workpiece includes:

[0188] S100, the control bracket feeding mechanism transports the bracket 20 to the assembly position;

[0189] S200, the control shaft workpiece feeding mechanism 200 feeds the shaft workpiece 10 to the feeding channel 321 with one end of the long thin shaft 12 facing the conveying channel;

[0190] The specific steps include:

[0191] S210, control the feeding assembly to transport the shaft workpiece 10 into the first feeding channel 221, and detect the orientation of the long thin shaft 12 of the shaft workpiece 10 in the first feeding channel 221 by the orientation detection unit 230.

[0192] If the orientation detection unit 230 does not detect a signal, it indicates that the long thin shaft 12 of the shaft workpiece 10 is facing the conveying channel. Then, the control rotation drive 250 drives the loading disk 240 to rotate along the first preset direction and the first preset angle to the discharge state.

[0193] If a signal is detected by the detection unit 230, indicating that the long thin shaft 12 of the shaft workpiece 10 is away from the conveying channel, the feeding disc 240 is controlled to rotate along the second preset direction and the second preset angle to the discharge state.

[0194] S220. After the feeding disc 240 rotates to the discharge state, the air blowing unit 260 is controlled to blow air into the air blowing channel 223, so that the shaft workpiece 10 is conveyed to the feeding channel 321 through the discharge pipe 270.

[0195] S300, the conveying component 330 of the control shaft workpiece distribution mechanism 300 conveys the shaft workpiece 10 in the loading channel 321 to the unloading channel 341;

[0196] The specific steps include:

[0197] S310, Obtain the detection signal from the material detection unit 350;

[0198] S311. If the material detection unit 350 does not generate a detection signal, it indicates that there is a shaft-type workpiece 10 at the bottom of the feeding channel 321. Then, the following steps are executed:

[0199] S3111, the telescopic drive 362 controls the stop bar 361 to press against another shaft workpiece 10 adjacent to the shaft workpiece 10 at the outlet of the feeding channel 321;

[0200] S3112, control the first sliding drive 332 to drive the material distribution block 331 to move towards the material loading block 320 until the material distribution channel 3311 is connected to the material loading channel 321, so that the shaft workpiece 10 located at the outlet of the material loading channel 321 falls into the material distribution channel 3311 under the action of gravity.

[0201] S3113, control the first sliding drive 332 to drive the material distribution block 331 to move towards the material unloading block 340 until the material distribution channel 3311 is connected to the material unloading channel 341, so that the shaft workpiece 10 in the material distribution channel 3311 falls into the material unloading channel 341 under the action of gravity.

[0202] S312. If the material detection unit 350 generates a detection signal, indicating that there is no shaft workpiece 10 at the outlet of the feeding channel 321, then continue to wait until the material detection unit 350 no longer generates a detection signal.

[0203] S400, the second pressing assembly 430 of the control shaft workpiece pressing mechanism 400 abuts against the lower part of the bracket 20;

[0204] The specific steps include:

[0205] S410, control the second sliding drive 431 to drive the translation slider 433 to move towards the second lifting slider 434 until the second lifting slider 434 abuts against the lower part of the bracket 20, and control the second sliding drive 431 to stop.

[0206] S500, the first pressing component 420 of the control shaft workpiece pressing mechanism 400 descends and abuts against the shaft workpiece 10 in the unloading channel 341, and presses the long thin shaft 12 of the shaft workpiece 10 into the mounting hole 21 of the bracket 20.

[0207] The specific steps include:

[0208] S510, control the second lifting drive 421 to drive the first lifting slider 422 to descend, so that the push rod 423 extends into the unloading channel 341 and abuts against the shaft workpiece 10, and presses the long thin shaft 12 of the shaft workpiece 10 into the mounting hole 21 until the displacement detection unit 424 generates a signal to control the second lifting drive 421 to stop operating.

[0209] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A shaft assembly device for assembling shaft workpieces (10) into mounting holes (21) of a bracket (20), wherein the shaft workpiece (10) comprises a main body (11) and a long thin shaft (12) and a short thin shaft (13) respectively disposed at both ends of the main body (11), wherein the long thin shaft (12) is interference-fitted with the mounting hole (21), characterized in that, The shaft-type workpiece assembly equipment includes: A support feeding mechanism is used to transport the support (20) to the assembly position; A shaft workpiece feeding mechanism (200) is used to feed the shaft workpiece (10) to the feeding channel (321) with one end of the long thin shaft (12) facing the conveying channel; A shaft workpiece feeding mechanism (300) includes a mounting plate (310), a feeding block (320) fixedly mounted on the mounting plate (310), a conveying assembly (330) disposed on the mounting plate (310), and a discharging block (340) disposed at the end of the mounting plate (310) near the assembly position. The feeding block (320) is provided with a feeding channel (321) that runs vertically through the feeding block (320), and the discharging block (340) is provided with a discharging channel (341) that runs vertically through the discharging block (340). The discharging channel (341) is located at the assembly position and communicates with the mounting hole (21) of the bracket (20). The conveying assembly (330) is used to convey the shaft workpiece (10) in the feeding channel (321) into the discharging channel (341) with one end of the long thin shaft (12) facing downward. A shaft workpiece pressing mechanism (400) includes a first frame (410), a first pressing assembly (420) and a second pressing assembly (430) disposed on the first frame (410) and respectively located above and below the assembly position. The second pressing assembly (430) is used to support the bracket (20) below the bracket (20). The first pressing assembly (420) can be raised and lowered in the vertical direction to abut against the shaft workpiece (10) in the feeding channel (341) and press the long thin shaft (12) of the shaft workpiece (10) into the mounting hole (21). The shaft workpiece feeding mechanism (200) includes: Third rack (210); A feeding plate (220) is provided on the third frame (210). The feeding plate (220) is provided with a central hole, a first inlet channel (221) and an outlet channel (222) that are connected to the central hole and the outside and point to the center of the feeding plate (220), and an air blowing channel (223). The air blowing channel (223) and the outlet channel (222) are symmetrically arranged with respect to the center of the feeding plate (220). A feeding assembly for conveying the shaft workpiece (10) into the first feeding channel (221); An orientation detection unit (230) is disposed on the feeding platen (220). The detection head of the orientation detection unit (230) is opposite to the first feeding channel (221) and is used to detect the orientation of the long thin shaft (12) of the shaft workpiece (10) in the first feeding channel (221). A feeding disc (240) is rotatably disposed in the central hole, and a second feeding channel (241) is provided on the feeding disc (240) through the center of the feeding disc (240); A rotation drive (250) is mounted on the third frame (210). The output end of the rotation drive (250) is connected to the feeding disc (240). The rotation drive (250) drives the feeding disc (240) to rotate in a preset direction and angle according to the orientation of the long slender shaft (12) of the shaft workpiece (10) detected by the orientation detection unit (230), so that the feeding disc (240) switches between the feeding state and the discharging state. An air blowing unit (260) is provided at the air inlet of the air blowing channel (223) and is used to blow air into the air blowing channel (223) when the feeding disc (240) is in the discharge state, so that the shaft workpiece (10) is discharged from the discharge channel (222). The discharge pipe (270) has one end connected to the discharge port of the discharge channel (222) and the other end connected to the feeding channel (321). The discharge pipe (270) has the conveying channel inside.

2. The shaft-type workpiece assembly equipment according to claim 1, characterized in that, The conveying assembly (330) includes a material distribution block (331) located below the loading block (320) and slidably disposed on the mounting plate (310), and a first sliding drive member (332) connected to the material distribution block (331); The material distribution block (331) is provided with a material distribution channel (3311) that runs vertically through the material distribution block (331). The first sliding drive member (332) is used to drive the material distribution block (331) to move so that the material distribution channel (3311) is connected to the loading channel (321) or the unloading channel (341).

3. The shaft-type workpiece assembly equipment according to claim 2, characterized in that, The feeding block (320) is also provided with a detection channel (322) that is connected to one end of the feeding channel (321) near the distributing block (331). The mounting plate (310) is provided with a material detection unit (350). The probe of the material detection unit (350) extends into the detection channel (322) to detect whether the feeding channel (321) contains the shaft workpiece (10).

4. The shaft-type workpiece assembly equipment according to claim 3, characterized in that, The feeding block (320) is also provided with a stop channel (323) communicating with the side of the feeding channel (321) away from the distributing block (331) and a stop assembly (360) for limiting the shaft workpiece (10). The stop assembly (360) includes a stop rod (361) slidably disposed in the stop channel (323) and a telescopic drive member (362) connected to the stop rod (361). The telescopic drive member (362) drives the stop rod (361) to slide in the stop channel (323), so that the stop rod (361) abuts or separates from the shaft workpiece (10) in the feeding channel (321), so as to fix or release another shaft workpiece (10) adjacent to the shaft workpiece (10) at the outlet of the feeding channel (321).

5. The shaft-type workpiece assembly equipment according to claim 1, characterized in that, The shaft workpiece sorting mechanism (300) further includes a second frame (370), a first lifting drive (380) disposed on the second frame (370), and a lifting plate (390) connected to the first lifting drive (380). The end of the lifting plate (390) away from the first lifting drive (380) is connected to the mounting plate (310). The first lifting drive (380) drives the lifting plate (390) and drives the mounting plate (310) to rise and fall, so that the unloading channel (341) is connected to or separated from the mounting hole (21).

6. The shaft-type workpiece assembly equipment according to claim 1, characterized in that, The first press-fit assembly (420) includes: The second lifting drive component (421) is mounted on the first frame (410); The first lifting slider (422) is slidably connected to the first frame (410) in the vertical direction. The upper end of the first lifting slider (422) is connected to the output end of the second lifting drive (421). The lower end of the first lifting slider (422) is provided with a push rod (423) extending in the vertical direction. The second lifting drive (421) drives the first lifting slider (422) to move in the vertical direction, causing the push rod (423) to enter the unloading channel (341) and abut against the shaft workpiece (10), and presses the long thin shaft (12) of the shaft workpiece (10) into the mounting hole (21). The displacement detection unit (424) includes a transmitter (4241) and a trigger (4242). The transmitter (4241) is provided on one of the first frame (410) and the first lifting slider (422), and the trigger (4242) is provided on the other. When the second lifting drive (421) drives the first lifting slider (422) to move downward, so that the trigger (4242) connects with the transmitter (4241) to generate a signal, the second lifting drive (421) stops moving, and the shaft workpiece (10) is pressed into place.

7. The shaft workpiece assembly equipment according to claim 6, characterized in that, The first frame (410) is also provided with a guide block (425), and the guide block (425) is provided with a guide channel that runs through the vertical direction. The guide channel is arranged opposite to the mounting hole (21). The push rod (423) slides through the guide channel during the process of pressing the shaft workpiece (10).

8. The shaft workpiece assembly equipment according to claim 6, characterized in that, The first lifting slider (422) has an upper limit block (4221) and a lower limit block (4222) respectively on its opposite side walls. On the first frame (410), a first buffer (411) and a second buffer (412) that cooperate with the upper limit block (4221) and the lower limit block (4222) are respectively provided on both sides of the first lifting slider (422). When the push rod (423) is in the initial position, the upper surface of the upper limit block (4221) abuts against the first buffer (411); when the push rod (423) is in the termination position, the lower surface of the lower limit block (4222) abuts against the second buffer (412). The termination position is the position where the push rod (423) presses the long thin shaft (12) of the shaft workpiece (10) into place.

9. The shaft-type workpiece assembly equipment according to claim 1, characterized in that, The second press-fit assembly (430) includes: The second sliding drive member (431) is disposed on the first frame (410); A steering block (432) is provided with a horizontal slide rail and a vertical slide rail that are interconnected. A translation slider (433) has a first end connected to the output end of the second sliding drive (431), and a second end of the translation slider (433) is slidably disposed in the horizontal slide rail. The second end of the translation slider (433) has an inclined surface (4331) that is inclined away from the first end of the translation slider (433). The second lifting slider (434) has its lower end slidably disposed in the vertical slide and abuts against the inclined surface (4331), and its upper end is used to support the bracket (20). The second sliding drive member (431) drives the translation slider (433) to move in the horizontal direction, so that the second lifting slider (434) abuts against the bracket (20) or separates from the bracket (20) in the vertical direction under the drive of the inclined surface (4331).

10. The shaft workpiece assembly equipment according to claim 9, characterized in that, The upper end of the second lifting slider (434) is provided with an upper connecting position (4341), and the steering block (432) is provided with a lower connecting position (4321) opposite to the lower end of the second lifting slider (434). The upper end of the elastic member (436) is connected to the upper connecting position (4341), and the lower end of the elastic member (436) is connected to the lower connecting position (4321). The elastic member (436) is configured to always have the tendency to pull the second lifting slider (434) down to abut against the inclined surface (4331).

11. A method for assembling shaft-type workpieces, characterized in that, The shaft workpiece assembly method, applied to the shaft workpiece assembly equipment as described in any one of claims 1-10, comprises: S100, the control bracket feeding mechanism transports the bracket (20) to the assembly position; S200, the control shaft workpiece feeding mechanism (200) feeds the shaft workpiece (10) to the feeding channel (321) with one end of the long thin shaft (12) facing the conveying channel; S300, the conveying assembly (330) of the control shaft workpiece distribution mechanism (300) conveys the shaft workpiece (10) in the loading channel (321) to the unloading channel (341); S400, the second pressing assembly (430) of the control shaft workpiece pressing mechanism (400) abuts against the lower part of the bracket (20); S500, the first pressing component (420) of the shaft workpiece pressing mechanism (400) is controlled to descend and abut against the shaft workpiece (10) in the feeding channel (341), and the long thin shaft (12) of the shaft workpiece (10) is pressed into the mounting hole (21) of the bracket (20).

12. The method for assembling shaft-type workpieces according to claim 11, characterized in that, The control mechanism for feeding shaft-type workpieces (200) feeds the shaft-type workpieces (10) to the feeding channel (321) with one end of the long slender shaft (12) facing the conveying channel. The control feeding assembly conveys the shaft workpiece (10) into the first feeding channel (221), and the orientation of the long thin shaft (12) of the shaft workpiece (10) in the first feeding channel (221) is detected by the orientation detection unit (230); If the orientation detection unit (230) does not detect a signal, it indicates that the long thin shaft (12) of the shaft workpiece (10) is facing the conveying channel. Then, the control rotation drive (250) drives the loading disk (240) to rotate along the first preset direction to the discharge state. If the orientation detection unit (230) detects a signal indicating that the long thin shaft (12) of the shaft workpiece (10) is away from the conveying channel, then the rotation drive (250) is controlled to drive the loading disk (240) to rotate along the second preset direction to the discharge state. After the loading disc (240) rotates to the discharge state, the air blowing unit (260) is controlled to blow air into the air blowing channel (223) to transport the shaft workpiece (10) into the loading channel (321) through the discharge pipe (270).

13. The method for assembling shaft-type workpieces according to claim 11, wherein the conveying assembly (330) includes a material distribution block (331) located below the loading block (320) and slidably disposed on the mounting plate (310), and a first sliding drive member (332) connected to the material distribution block (331); The material distribution block (331) is provided with a material distribution channel (3311) that runs vertically through the material distribution block (331). The first sliding drive member (332) is used to drive the material distribution block (331) to move so that the material distribution channel (3311) is connected to the loading channel (321) or the unloading channel (341). The feeding block (320) is also provided with a detection channel (322) that is connected to one end of the feeding channel (321) near the distributing block (331). The mounting plate (310) is provided with a material detection unit (350). The probe of the material detection unit (350) extends into the detection channel (322) to detect whether the feeding channel (321) contains the shaft workpiece (10). The feeding block (320) is also provided with a stop channel (323) communicating with the side of the feeding channel (321) away from the distributing block (331) and a stop assembly (360) for limiting the shaft workpiece (10). The stop assembly (360) includes a stop rod (361) slidably disposed in the stop channel (323) and a telescopic drive member (362) connected to the stop rod (361). The telescopic drive member (362) drives the stop rod (361) to slide in the stop channel (323), so that the stop rod (361) abuts or separates from the shaft workpiece (10) in the feeding channel (321), so as to fix or release another shaft workpiece (10) adjacent to the shaft workpiece (10) at the outlet of the feeding channel (321). Its features are, The conveying assembly (330) of the control shaft workpiece distribution mechanism (300) conveys the shaft workpiece (10) in the loading channel (321) to the unloading channel (341) including: Acquire the detection signal from the material detection unit (350); If the material detection unit (350) does not generate a detection signal, indicating that the shaft-type workpiece (10) exists at the bottom of the feeding channel (321), then the following steps are performed: The telescopic drive (362) drives the stop bar (361) to press against another shaft workpiece (10) adjacent to the shaft workpiece (10) at the outlet of the feeding channel (321); Control the first sliding drive (332) to drive the material distribution block (331) to move towards the material loading block (320) until the material distribution channel (3311) and the material loading channel (321) are connected, so that the shaft workpiece (10) located at the outlet of the material loading channel (321) falls into the material distribution channel (3311) under the action of gravity; Control the first sliding drive (332) to drive the material distribution block (331) to move towards the material unloading block (340) until the material distribution channel (3311) and the material unloading channel (341) are connected, so that the shaft workpiece (10) in the material distribution channel (3311) falls into the material unloading channel (341) under the action of gravity; If the material detection unit (350) generates a detection signal indicating that there is no shaft workpiece (10) at the outlet of the feeding channel (321), then continue to wait until the material detection unit (350) no longer generates a detection signal.

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