Car armrest box cover door shaft threading system

Abstract

The present invention discloses an axle threading system for an automobile armrest box cover door, which relates to the technical field of automobile armrest box assembly. The system comprises a main frame box and a workbench mounted on the top of the main frame box. The system also comprises: a placement mechanism comprising a placement platform disposed on the top of the workbench, an armrest box body and a cover door body placed on the top of the placement platform, mounting platforms being provided on both side outer walls of the placement platform, a connecting platform being provided on one side outer wall of the mounting platform, and a bearing platform being mounted on the top of the mounting platform; and a correction mechanism comprising a packaging box disposed on the top of the connecting platform. The axle threading system for an automobile armrest box cover door provided by the present invention has the technical effect of improving assembly efficiency and ensuring assembly quality.

Description

Technical Field

[0001] The invention relates to the technical field of automobile armrest box grab assembly, in particular to an axis threading system of an automobile armrest box cover door. Background Art

[0002] The installation of a car armrest box is a relatively simple process, but in order to ensure the stability and safety of the installation, it is necessary to follow the correct steps. During the specific assembly process of the car armrest box body, the cover door needs to be connected to the armrest box body through a movable shaft so that the cover door can be opened and closed flexibly.

[0003] However, the conventional shaft-threading system for the vehicle armrest cover door has a simple structure and cannot accurately thread the connecting shaft of certain structures between the vehicle armrest box and the cover door. As a result, the cover door cannot achieve the desired flexibility after the shaft is threaded, thus affecting the quality of the assembled product.

[0004] For example: During the threading process of some car armrest boxes, in addition to the connecting shaft, a torsion spring is also provided. The connecting shaft is also provided with a specific limiting structure that is compatible with the connecting structure between the cover door and the armrest box. During the threading process, it is necessary to ensure that the limiting structure on the connecting shaft and the connecting structure remain aligned. Summary of the Invention

[0005] The present invention discloses an axis threading system for an automobile armrest box cover door, aiming to solve the technical problem that when a traditional axis threading system for an automobile armrest box cover door is used, the specific axis threading structure is simply set up, and some connecting axis of specific structure cannot be accurately inserted between the automobile armrest box and the cover door, resulting in that the cover door after the axis is inserted cannot achieve the degree of flexibility to be achieved in its design scheme, thereby affecting the quality of the assembled product.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] The shaft threading system of the automobile armrest box cover door includes a main frame box and a workbench installed on the top of the main frame box, and also includes: a placing mechanism: the placing mechanism includes a placing platform arranged on the top of the workbench and an armrest box body and a cover door body placed on the top of the placing platform, mounting platforms are provided on the outer walls of both sides of the placing platform, a connecting platform is provided on the outer wall of one side of the mounting platform, and a bearing platform is installed on the top of the mounting platform; a correction mechanism: the correction mechanism includes a packaging box arranged on the top of the connecting platform, the inner wall of the packaging box is connected to a rotating shaft through a bearing, one end of the rotating shaft is installed with a gear, the gear is located inside the packaging box, and a third side of the outer wall of the top of the connecting platform is provided. Telescopic rod, one end of the piston rod of the third telescopic rod is connected to a rack, the rack is located inside the packaging box, and the rack is meshed with the gear, a limiting platform is provided between the mounting platform and the connecting platform, a shaft sleeve is placed on the top of the limiting platform, the shaft sleeve is close to the rotating shaft, a baffle is provided on one side outer wall of the shaft sleeve, a baffle groove is provided on one side inner wall of the limiting platform, the baffle is adapted to the baffle groove, and two limit blocks are provided on one side outer wall of the shaft sleeve; limiting displacement mechanism: the limiting displacement mechanism is arranged on the top of the supporting platform; fixing mechanism: the fixing mechanism is located directly above the placing mechanism; through-axis mechanism: the through-axis mechanism is located on both sides of the placing platform.

[0008] In this solution, the shaft sleeve embedded between the armrest box body and the cover door body can be adjusted through the provided correction mechanism. During specific use, the shaft sleeve is first placed on the limiting table, and then the armrest box body and the cover door body are placed on the placement table. Then, during the extension of the third telescopic rod, the rack is driven to move, thereby engaging and driving the gear to rotate together with the rotating shaft. The friction between the rotating shaft and the shaft sleeve is used to drive the shaft sleeve to rotate on the top of the limiting table. During the rotation, the outer stop bar will be blocked by the stop groove on the limiting table. At this time, the two limit blocks on one side of the shaft sleeve are just in the expected horizontal state, and correction is easily achieved, eliminating the manual adjustment process of the shaft sleeve during the discharge process, which is more efficient, more precise in positioning, and more guaranteed in assembly quality.

[0009] The top end face of said sliding arm is fixedly provided with a toothed connecting strip which is cooperatively connected with said toothed connecting strip.

[0010] The limiting displacement mechanism provided can limit the torsion spring that needs to be installed between the cover door body and the armrest box body. At the same time, during the assembly process, the torsion spring can be stably displaced and embedded between the cover door body and the armrest box body. During specific use, the provided movable baffle can be raised and lowered, and the provided clamp can use the buckle groove to limit the second end of the torsion spring. At the same time, under the elongation of the first telescopic rod, the second end can be driven to apply pressure to the torsion spring, so that the second end of the torsion spring is located in a suitable installation position. During the sinking process of the cover door body and the armrest box body, the limiting displacement mechanism on the first and second ends of the torsion spring can be replaced, so that the torsion spring together with the sleeve can be embedded between the cover door body and the armrest box body. This process realizes the precise displacement function and replaces the traditional manual inefficient assembly process.

[0011] In a preferred solution, the fixing mechanism includes four support rods arranged on the top of the workbench, the top ends of the four support rods are provided with a top platform, a first cylinder is installed on the top outer wall of the top platform, a movable platform is installed on the piston end of the first cylinder, limiting sliding rods are installed on both sides of the top outer wall of the movable platform, the top ends of the two limiting sliding rods are slidably connected to the inner wall of the top platform, the movable platform is located below the top platform, and pressure columns are provided at the four corners of the bottom outer wall of the movable platform, and the bottom ends of the pressure columns are provided with rubber pads.

[0012] After the torsion spring and the bushing are placed and calibrated accordingly, the armrest box body and the cover door body are placed on the placement table, and then the first cylinder is used to drive the movable table to move down to achieve the compression of the armrest box body and the cover door body. The bushing and torsion spring are embedded between the armrest box body and the cover door body through compression, and at the same time, the placement stability of the armrest box body and the cover door body is guaranteed, which facilitates the subsequent shaft threading operation.

[0013] In a preferred solution, the axis threading mechanism includes four guide frames arranged on the top of the workbench, and the four guide frames are symmetrically distributed on both sides of the placement table. A second cylinder is provided on the outer wall of one side of the guide frame, and the piston end of the second cylinder is connected to a guide rod. A feeding platform is provided on the guide frame, and a feeding trough is provided on the top of the feeding platform. The inner wall of the feeding trough is provided with an axis rod, and an outlet hole is provided on the outer wall of one side of the feeding platform. The outlet hole is communicated with the interior of the feeding trough, and the guide rod is used in conjunction with the feeding trough.

[0014] The shaft-penetrating mechanism can synchronously control the guide rods on the four guide frames to guide the shaft rod in the feeding trough. This process is synchronously controlled by the second cylinder. After the operation of the shaft-penetrating mechanism, the shaft rod together with the torsion spring and the shaft sleeve can be embedded into the cover door body and the armrest box body, with strong synchronization and high efficiency.

[0015] As can be seen from the above, the shaft-threading system of the automobile armrest box cover door includes a main frame box and a workbench installed on the top of the main frame box, and also includes: a placing mechanism: the placing mechanism includes a placing platform arranged on the top of the workbench and an armrest box body and a cover door body placed on the top of the placing platform, mounting platforms are provided on the outer walls of both sides of the placing platform, a connecting platform is provided on the outer wall of one side of the mounting platform, and a bearing platform is installed on the top of the mounting platform; a correction mechanism: the correction mechanism includes a packaging box arranged on the top of the connecting platform, the inner wall of the packaging box is connected to a rotating shaft through a bearing, a gear is installed on one end of the rotating shaft, the gear is located inside the packaging box, and one side of the outer wall of the top of the connecting platform is provided with A third telescopic rod, wherein one end of the piston rod of the third telescopic rod is connected to a rack, the rack is located inside the packaging box, and the rack is meshed with the gear. A limiting platform is provided between the mounting platform and the connecting platform. A shaft sleeve is placed on the top of the limiting platform, the shaft sleeve is close to the rotating shaft, a retaining bar is provided on one side outer wall of the shaft sleeve, a retaining groove is provided on one side inner wall of the limiting platform, the retaining bar is adapted to the retaining groove, and two limiting blocks are provided on one side outer wall of the shaft sleeve; a limiting displacement mechanism: the limiting displacement mechanism is provided on the top of the supporting platform; a fixing mechanism: the fixing mechanism is located directly above the placing mechanism; an axis-threading mechanism: the axis-threading mechanism is located on both sides of the placing platform. The axis-threading system for the automobile armrest box cover door provided by the present invention has the technical effect of improving assembly efficiency and ensuring assembly quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the shaft threading system for the automobile armrest box cover door proposed by the present invention.

[0017] Figure 2 This is a partial side structural diagram of the shaft-penetrating system for the automobile armrest box cover door proposed by the present invention.

[0018] Figure 3 This is a structural diagram of the guide frame installation of the shaft-penetrating system of the automobile armrest box cover door proposed by the present invention.

[0019] Figure 4 This is a partially enlarged structural diagram of the guide frame of the shaft-threading system of the automobile armrest box cover door proposed by the present invention.

[0020] Figure 5 This is a structural diagram of the placement platform of the shaft threading system of the automobile armrest box cover door proposed by the present invention.

[0021] Figure 6 This is a schematic diagram of the mounting platform structure of the shaft threading system of the automobile armrest box cover door proposed by the present invention.

[0022] Figure 7 This is a structural diagram of the movable stopper installation of the shaft-penetrating system of the automobile armrest box cover door proposed by the present invention.

[0023] Figure 8 This is a schematic diagram of the clamp installation structure of the shaft-penetrating system of the automobile armrest box cover door proposed by the present invention.

[0024] Figure 9 This is a schematic diagram of the internal structure of the packaging box of the shaft-threading system of the automobile armrest box cover door proposed by the present invention.

[0025] Figure 10 This is an enlarged structural diagram of the retaining groove of the shaft-penetrating system of the automobile armrest box cover door proposed by the present invention.

[0026] In the figure: 1. Main frame; 2. Workbench; 3. Operating table; 4. Guide frame; 5. Top platform; 6. First cylinder; 7. Limiting slide bar; 8. Support bar; 9. Movable platform; 10. Press column; 11. Second cylinder; 12. Placement platform; 13. Feeding platform; 14. Feeding trough; 15. Lead-out hole; 16. Guide rod; 17. Mounting platform; 18. Carrying platform; 19. Connecting platform; 20. First telescopic rod; 21. Bushing; 22. , torsion spring; 23, first end; 24, clamp; 25, movable stop pad; 26, adapter groove; 27, elastic joint; 28, second telescopic rod; 29, movable joint; 30, fixed axis; 32, buckle groove; 33, second end; 34, third telescopic rod; 35, rack; 36, gear; 37, packaging box; 38, rotating shaft; 39, limiting platform; 40, limit block; 41, stop bar; 42, stop groove; 43, sleeve. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0028] The shaft threading system for the automobile armrest box cover door disclosed in the present invention is mainly applied to the shaft threading system of the traditional automobile armrest box cover door. When in use, the specific shaft threading structure is simply set up, and some connecting shafts with specific structures cannot be accurately inserted between the automobile armrest box and the cover door, resulting in the cover door after the shaft is inserted being unable to achieve the degree of flexibility to be achieved in its design scheme, thereby affecting the quality of the product after assembly.

[0029] Reference Figures 1 to 10 The shaft threading system of the automobile armrest box cover door includes a main frame box 1 and a workbench 2 installed on the top of the main frame box 1, and also includes: a placing mechanism: the placing mechanism includes a placing platform 12 arranged on the top of the workbench 2 and an armrest box body and a cover door body placed on the top of the placing platform 12, and mounting platforms 17 are provided on the outer walls of both sides of the placing platform 12, a connecting platform 19 is provided on the outer wall of one side of the mounting platform 17, and a bearing platform 18 is installed on the top of the mounting platform 17; a correction mechanism: the correction mechanism includes a packaging box 37 arranged on the top of the connecting platform 19, the inner wall of the packaging box 37 is connected to the rotating shaft 38 through a bearing, and a gear 36 is installed at one end of the rotating shaft 38, and the gear 36 is located inside the packaging box 37, and one side of the outer wall of the top of the connecting platform 19 is provided The third telescopic rod 34, one end of the piston rod of the third telescopic rod 34 is connected to a rack 35, the rack 35 is located inside the packaging box 37, and the rack 35 is meshed with the gear 36, a limiting platform 39 is provided between the mounting platform 17 and the connecting platform 19, a shaft sleeve 21 is placed on the top of the limiting platform 39, the shaft sleeve 21 is close to the rotating shaft 38, a baffle 41 is provided on one side of the outer wall of the shaft sleeve 21, a baffle groove 42 is provided on one side of the inner wall of the limiting platform 39, the baffle 41 is adapted to the baffle groove 42, and two limit blocks 40 are provided on one side of the outer wall of the shaft sleeve 21; limiting displacement mechanism: the limiting displacement mechanism is arranged on the top of the bearing platform 18; fixing mechanism: the fixing mechanism is located directly above the placement mechanism; through-axis mechanism: the through-axis mechanism is located on both sides of the placement platform 12.

[0030] Specifically, the correction mechanism provided can be used to adjust the sleeve 21 embedded between the armrest box body and the cover door body. During specific use, the sleeve 21 is first placed on the limiting platform 39, and then the armrest box body and the cover door body are placed on the placement platform 12. Then, during the extension of the third telescopic rod 34, the rack 35 is driven to move, thereby engaging and driving the gear 36 to rotate together with the rotating shaft 38. The friction between the rotating shaft 38 and the sleeve 21 is used to drive the sleeve 21 to rotate on the top of the limiting platform 39. During the rotation, the outer stop bar 41 will be blocked by the stop groove 42 on the limiting platform 39. At this time, the two limit blocks 40 on one side of the sleeve 21 are just in the expected horizontal state, and correction is easily achieved, eliminating the manual adjustment process of the sleeve 21 during the discharge process, which is more efficient, more precise in positioning, and more guaranteed in assembly quality.

[0031] It should be noted that since the rotating shaft 38 and the sleeve 21 are driven by contact friction, during the rotation of the sleeve 21, once the retaining bar 41 engages with the retaining groove 42, the sleeve 21 is corrected and the contact friction can no longer drive the sleeve 21 to rotate. Therefore, there is no need to deliberately adjust the meshing stroke of the rack 35 and the gear 36, and it is sufficient to maintain a complete rotation.

[0032] The placement platform 12 is used to place the armrest box body and the cover body.

[0033] Among them, a stroke device is provided at the bottom of the connecting platform 19. Before placing the cover door and armrest box to be threaded on the placement platform 12, the shaft sleeve 21 is placed on the limiting platform 39, and then the stroke device can drive the connecting platform 19 to rise, so that the shaft sleeve 21 can be adjusted by using the rotating shaft 38. After the adjustment is completed, when the cover door body and the armrest box body are placed, the connecting platform 19 together with the rotating shaft 38 will be lowered to a suitable position without affecting the subsequent threading process of the cover door body, the shaft sleeve 21 and the armrest box body.

[0034] Reference Figure 6 、 Figure 7 and Figure 8 In a preferred embodiment, the displacement limiting mechanism includes a fixed shaft 30 arranged on the top of the bearing platform 18, a clamp 24 is provided on the outer wall of the fixed shaft 30, a movable joint 29 is installed at the bottom of the clamp 24, a first telescopic rod 20 is provided on the outer wall of one side of the mounting platform 17, one end of the piston rod of the first telescopic rod 20 is connected to the movable joint 29, a torsion spring 22 is placed on the inner wall of the clamp 24, and a sleeve 43 is also placed on the top of the bearing platform 18. The torsion spring 22 is sleeved on the outside of the sleeve 43, and the two ends of the torsion spring 22 are respectively the first end 23 and the second end 33, a buckle groove 32 is provided at the edge of the outer wall of one side of the clamp 24, the second end 33 is located on the inner wall of the buckle groove 32, a second telescopic rod 28 is provided on the bottom outer wall of the mounting platform 17, the top of the second telescopic rod 28 is connected with an elastic joint 27, a movable stopper 25 is installed on the top outer wall of the elastic joint 27, an adapter groove 26 is provided on the top outer wall of the movable stopper 25, the sleeve 43 is located on the inner wall of the adapter groove 26, the outer wall of the sleeve 43 is provided with a side groove, and the first end 23 is located on the inner wall of the side groove.

[0035] Specifically, the torsion spring 22 that needs to be installed between the cover door body and the armrest box body can be limited by the provided limiting displacement mechanism. At the same time, during the assembly process, the torsion spring 22 together with the sleeve 43 can be stably displaced and embedded between the cover door body and the armrest box body. During specific use, the provided movable stop pad 25 can be raised and lowered, and the provided clamp 24 can use the buckle groove 32 to limit the second end 33 of the torsion spring 22. At the same time, under the elongation of the first telescopic rod 20, the second end 33 can be driven to apply pressure to the torsion spring 22, so that the second end 33 of the torsion spring 22 is located in a suitable installation position. During the sinking process of the cover door body and the armrest box body, the limiting displacement mechanism can be replaced to limit the first end 23 and the second end 33 of the torsion spring 22, so that the torsion spring 22 and the sleeve 43 can be embedded between the cover door body and the armrest box body. This process realizes the precise displacement function and replaces the traditional manual inefficient assembly process.

[0036] It should be noted that after the torsion spring 22 is embedded in the cover door body and the armrest box body, the contraction of the first telescopic rod 20 can be used to drive the clamp 24 to deflect in the opposite direction, thereby releasing the restriction of the buckle groove 32 on the clamp 24 on the second end 33 of the torsion spring 22.

[0037] Reference Figure 1 and Figure 2 In a preferred embodiment, the fixing mechanism includes four support rods 8 arranged on the top of the workbench 2, and a top platform 5 is provided at the top of the four support rods 8. A first cylinder 6 is installed on the top outer wall of the top platform 5, and a movable platform 9 is installed on the piston end of the first cylinder 6. Limiting slide bars 7 are installed on both sides of the top outer wall of the movable platform 9. The top ends of the two limiting slide bars 7 are slidably connected to the inner wall of the top platform 5. The movable platform 9 is located below the top platform 5. Pressure columns 10 are provided at the four corners of the bottom outer wall of the movable platform 9, and rubber pads are provided at the bottom ends of the pressure columns 10.

[0038] Specifically, after the torsion spring 22 and the bushing 21 are placed and calibrated accordingly, the armrest box body and the cover door body are placed on the placement table 12, and then the first cylinder 6 is used to drive the movable table 9 to move downward to achieve the compression of the armrest box body and the cover door body. By compression, the bushing 21 and the torsion spring 22 are embedded between the armrest box body and the cover door body, and at the same time, the placement stability of the armrest box body and the cover door body is guaranteed, which facilitates the subsequent shaft threading operation.

[0039] Reference Figure 3 and Figure 4In a preferred embodiment, the shaft threading mechanism includes four guide frames 4 arranged on the top of the workbench 2, and the four guide frames 4 are symmetrically distributed on both sides of the placement platform 12, and a second cylinder 11 is provided on the outer wall of one side of the guide frame 4, and the piston end of the second cylinder 11 is connected to a guide rod 16. A feeding platform 13 is provided on the guide frame 4, and a feeding trough 14 is provided on the top of the feeding platform 13. The inner wall of the feeding trough 14 is an axis rod, and an outlet hole 15 is provided on the outer wall of one side of the feeding platform 13. The outlet hole 15 is communicated with the interior of the feeding trough 14, and the guide rod 16 is used in conjunction with the feeding trough 14.

[0040] Specifically, the axis-penetrating mechanism can synchronously control the guide rods 16 on the four guide frames 4 to introduce the axis rod in the feeding trough 14. This process is synchronously controlled by the second cylinder 11. After the operation of the axis-penetrating mechanism, the axis rod together with the torsion spring 22 and the shaft sleeve 21 can be embedded into the cover door body and the armrest box body, with strong synchronization and high efficiency.

[0041] Reference Figure 1 、 Figure 6 and Figure 9 In a preferred embodiment, an operating table 3 is provided on one side outer wall of the workbench 2, a start switch and a controller are provided on the top outer wall of the operating table 3, and the first telescopic rod 20 and the third telescopic rod 34 are both electric telescopic rods.

[0042] Working principle: When in use, first place the sleeve 21 on the limiting platform 39, and at the same time place the torsion spring 22 on the supporting platform 18. Then, under the extension of the first telescopic rod 20, the second end 33 can be driven to press the torsion spring 22, so that the second end 33 of the torsion spring 22 is located in a suitable installation position, and the movable stopper 25 can be raised and lowered. Then, the rack 35 is driven to move during the extension of the third telescopic rod 34, thereby engaging and driving the gear 36 to rotate together with the rotating shaft 38, and utilizing the friction between the rotating shaft 38 and the sleeve 21 to drive the sleeve 21 on the limiting platform. The top of 39 rotates, and during the rotation, the outer stop bar 41 will be blocked by the stop groove 42 on the limiting platform 39. At this time, the two limit blocks 40 on one side of the sleeve 21 are just in the expected horizontal state, and correction is easily achieved. After completing the above preparations, the cover door body and the armrest box body are placed on the placement table 12, and the first cylinder 6 is used to drive the movable table 9 to move downward to achieve the compression of the armrest box body and the cover door body. Finally, the set shaft threading mechanism can synchronously control the guide rods 16 on the four guide frames 4 to introduce the shaft rod in the feeding trough 14 to complete the shaft threading operation.

[0043] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A shaft threading system for an automobile armrest box cover door, comprising a main frame box (1) and a workbench (2) mounted on the top of the main frame box (1), characterized in that: Also includes: Placing mechanism: The placing mechanism comprises a placing platform (12) arranged on the top of the workbench (2), and an armrest box body and a cover door body placed on the top of the placing platform (12); mounting platforms (17) are provided on both side outer walls of the placing platform (12); a connecting platform (19) is provided on one side outer wall of the mounting platform (17); and a bearing platform (18) is installed on the top of the mounting platform (17); Correction mechanism: The correction mechanism includes a packaging box (37) arranged on the top of the connecting platform (19), the inner wall of the packaging box (37) is connected to a rotating shaft (38) through a bearing, one end of the rotating shaft (38) is installed with a gear (36), the gear (36) is located inside the packaging box (37), a third telescopic rod (34) is provided on one side of the outer wall of the top of the connecting platform (19), one end of the piston rod of the third telescopic rod (34) is connected to a rack (35), the rack (35) is located inside the packaging box (37), and the The rack (35) is meshed with the gear (36), a limiting platform (39) is provided between the mounting platform (17) and the connecting platform (19), a shaft sleeve (21) is placed on the top of the limiting platform (39), the shaft sleeve (21) is close to the rotating shaft (38), a retaining bar (41) is provided on one side outer wall of the shaft sleeve (21), a retaining groove (42) is provided on one side inner wall of the limiting platform (39), the retaining bar (41) is adapted to the retaining groove (42), and two limit blocks (40) are provided on one side outer wall of the shaft sleeve (21); Limiting displacement mechanism: the limiting displacement mechanism is arranged on the top of the bearing platform (18), the limiting displacement mechanism includes a fixed shaft (30) arranged on the top of the bearing platform (18), a clamp (24) is provided on the outer wall of the fixed shaft (30), a movable joint (29) is installed at the bottom of the clamp (24), a first telescopic rod (20) is provided on the outer wall of one side of the mounting platform (17), one end of the piston rod of the first telescopic rod (20) is connected to the movable joint (29), a torsion spring (22) is placed on the inner wall of the clamp (24), a sleeve (43) is also placed on the top of the bearing platform (18), the torsion spring (22) is sleeved on the outside of the sleeve (43), and the two ends of the torsion spring (22) are respectively a first end (23) and a second end (33); Fixing mechanism: The fixing mechanism is located directly above the placement mechanism; Axis threading mechanism: the axis threading mechanism is located on both sides of the placement table (12).

2. The shaft threading system for the automobile armrest box cover door according to claim 1, characterized in that: The placement platform (12) is used for placing the armrest box body and the cover plate body.

3. The shaft threading system of the automobile armrest box cover door according to claim 1, characterized in that: A travel device is provided at the bottom of the connecting platform (19).

4. The shaft threading system for the automobile armrest box cover door according to claim 1, characterized in that: A buckle groove (32) is provided at the edge of the outer wall of one side of the clamp (24), and the second end head (33) is located on the inner wall of the buckle groove (32). A second telescopic rod (28) is provided on the bottom outer wall of the mounting platform (17), and the top end of the second telescopic rod (28) is connected to an elastic joint (27). A movable stop pad (25) is installed on the top outer wall of the elastic joint (27), and an adapter groove (26) is provided on the top outer wall of the movable stop pad (25). The sleeve (43) is located on the inner wall of the adapter groove (26), and the outer wall of the sleeve (43) is provided with a side groove, and the first end head (23) is located on the inner wall of the side groove.

5. The shaft threading system for the automobile armrest box cover door according to claim 1, characterized in that: The fixing mechanism comprises four support rods (8) arranged on the top of the workbench (2), the top ends of the four support rods (8) are provided with a top platform (5), a first cylinder (6) is installed on the top outer wall of the top platform (5), a movable platform (9) is installed on the piston end of the first cylinder (6), and limiting slide rods (7) are installed on both sides of the top outer wall of the movable platform (9), and the top ends of the two limiting slide rods (7) are slidably connected to the inner wall of the top platform (5).

6. The shaft threading system for the automobile armrest box cover door according to claim 5, characterized in that: The movable platform (9) is located below the top platform (5), and pressure columns (10) are provided at the four corners of the outer wall of the bottom of the movable platform (9), and rubber pads are provided at the bottom ends of the pressure columns (10).

7. The shaft threading system for the automobile armrest box cover door according to claim 1, characterized in that: The threading mechanism includes four guide frames (4) arranged on the top of the workbench (2), and the four guide frames (4) are symmetrically distributed on both sides of the placement table (12). A second cylinder (11) is provided on the outer wall of one side of the guide frame (4), and the piston end of the second cylinder (11) is connected to a guide rod (16). A feeding table (13) is provided on the guide frame (4), and a feeding trough (14) is opened on the top of the feeding table (13). The inner wall of the feeding trough (14) is provided with an axis rod. An outlet hole (15) is provided on the outer wall of one side of the feeding table (13), and the outlet hole (15) is communicated with the inside of the feeding trough (14). The guide rod (16) is used in conjunction with the feeding trough (14).

8. The shaft threading system for the automobile armrest box cover door according to claim 1, characterized in that: An operating table (3) is provided on one side outer wall of the workbench (2), and a start switch and a controller are provided on the top outer wall of the operating table (3).

9. The shaft threading system for the automobile armrest box cover door according to claim 4, characterized in that: The first telescopic rod (20) and the third telescopic rod (34) are both electric telescopic rods.

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