Anti-vibration device of screw locking machine

Abstract

The utility model discloses an anti-vibration device of a screw locking machine, and belongs to the technical field of screw locking machines, the anti-vibration device comprises a plurality of fixing plates, the upper ends of the fixing plates are fixedly connected with connecting plates, the upper ends of the connecting plates are provided with first external threads, and the first external threads are in threaded connection with fixing shafts; the upper end of the fixed shaft is fixedly connected with a rotating shaft, a through hole is formed in the middle of the upper end of the rotating shaft, the rotating shaft is provided with a third external thread or a first internal thread, the outer surface of the third external thread is in threaded connection with a sliding shaft, and the outer surface of the sliding shaft is in meshed connection with a connecting belt; the other end of the connecting belt is in meshed connection with a driving device, sliding holes which are symmetrical up and down are formed in one sides of the multiple fixing plates, the sliding holes are in sliding connection with limiting shafts of limiting devices, connecting columns are fixedly connected to the middles of the limiting shafts, and connecting shafts are fixedly connected to the upper ends of the connecting columns; and the upper end of the connecting shaft is fixedly connected to the lifting device.

Description

TECHNICAL FIELD

[0001] The new type belongs to the technical field of screw locking machines, and particularly relates to a shockproof device of a screw locking machine. BACKGROUND

[0002] A screw locking machine is an automatic device mainly used for automatically completing the processes of conveying, positioning, tightening and detecting screws, aiming to simplify the screw fastening process, reduce manual operation, and improve production efficiency and product quality.

[0003] In the prior art, a shockproof device of a screw locking machine with patent announcement No. CN211361245U is provided, which can stabilize the electric screwdriver and reduce the vibration generated during the operation of the electric screwdriver. The rollers can rotate on the outer wall of the supporting rod, which has the activity to cooperate with the operation of the electric screwdriver. In addition, the height of the rubber pad can be adjusted to reduce the vibration of the electric screwdriver at different positions and improve the practicability. However, in actual use, the following problems still exist: from the actual point of view, the structure of the shockproof device is complex, and the maintenance and repair are relatively difficult, which requires professional technical personnel to operate, thereby increasing the maintenance cost and time. In order to provide sufficient shock absorption effect, the shockproof device usually needs to use heavy materials and structures, which will increase the overall weight of the device and affect the movement and operation flexibility of the device. In addition, the installation of the shockproof device needs accurate debugging and calibration, which requires higher skills of the operator, and improper installation may affect the shock absorption effect.

[0004] Therefore, there is a need for a shockproof device of a screw locking machine to solve the problems existing in the prior art. SUMMARY

[0005] The purpose of the new type is to provide a shockproof device of a screw locking machine to solve the problems proposed in the background.

[0006] In order to achieve the above object, the technical scheme provided by the new type is as follows: a shockproof device of a screw locking machine, comprising a plurality of fixed plates, the number of the fixed plates is four, and the fixed plates are all arc-shaped, and the four arc-shaped fixed plates can form a whole circle, and the upper ends of the fixed plates are all fixedly connected with connecting plates, the connecting plates are all arc-shaped, and the arc-shaped connecting plates can form a cone, and the upper ends of the connecting plates are all provided with first external threads, the first external threads are all threadedly connected with fixed shafts, the upper ends of the fixed shafts are fixedly connected with rotating shafts, the upper middle parts of the rotating shafts are provided with through holes, and the outer surfaces of the rotating shafts and the outer surfaces of the through holes are respectively provided with third external threads or first internal threads, the outer surfaces of the third external threads are threadedly connected with sliding shafts, the outer surfaces of the sliding shafts are engagedly connected with connecting belts, the other ends of the connecting belts are engagedly connected with driving devices, and the sides of the fixed plates are all provided with upper and lower symmetrical sliding holes, the outer surfaces of the upper and lower symmetrical sliding holes are all slidably connected with the outer surfaces of limiting shafts of limiting devices, the middle parts of the limiting shafts are all fixedly connected with connecting columns, the upper ends of the connecting columns are fixedly connected with connecting shafts, and the upper ends of the connecting shafts are fixedly connected with lifting devices.

[0007] It should be noted that the inner surfaces of the four arc-shaped fixed plates are fixedly connected with rubber pads.

[0008] It should be further noted that the number of the limiting shafts of each set of limiting devices is four, and there are two sets in total, and the one ends of the limiting shafts are all fixedly connected with first baffles, and the other ends of the four limiting shafts of each set are all fixedly connected with each other, and the fixedly connected parts of the four limiting shafts of the two sets are fixedly connected with connecting columns, the upper ends of the connecting columns are fixedly connected with connecting shafts, and the outer surfaces of the connecting shafts are provided with second external threads.

[0009] It should be further noted that the one ends of the outer surfaces of the limiting shafts are all fixedly connected with rebound devices, and the rebound devices all comprise fixed blocks, the front ends of the fixed blocks are all fixedly connected with springs, the front ends of the springs are fixedly connected with sliding rings, and the inner surfaces of the sliding rings are all slidably connected with the outer surfaces of the limiting shafts.

[0010] As a preferred embodiment, the second external threads are threadedly connected with the first internal threads.

[0011] As a preferred embodiment, the middle parts of the lower ends of the fixed shafts are provided with grooves, the lower ends of the inner surfaces of the grooves are provided with protruding guides, the lower ends of the protruding guides are arc-shaped, and the protruding guides are provided with second internal threads, and the second internal threads are threadedly connected with the first external threads provided on the outer surfaces of the connecting plates.

[0012] As a preferred embodiment, the sliding shafts are fixedly connected with second baffles on the two sides of the connecting belts.

[0013] Compared with the prior art, the anti-vibration device of the screw locking machine provided by the new type has at least the following beneficial effects:

[0014] (1) The movement track of the rotating shaft is limited by the connecting shaft, the position and movement track of the fixed plate and the connecting plate are limited by the limiting device, then the connecting belt is driven to rotate by the driving device, so as to drive the rotating shaft connected with the connecting belt to rotate, the first internal thread in the rotating shaft is threadedly connected to the second external thread on the outer surface of the connecting shaft, and the upper end of the connecting shaft is fixedly connected to the lower end of the lifting device, so that the rotating shaft can only move up and down, so as to drive the fixed shaft to move downward and rotate, and drive the fixed plate to move to the middle part, so that the upper end of the screw can be fixed, thereby increasing the stability and anti-vibration of the screw locking machine, and adapting to screws of different specifications.

[0015] (2) The fixed plate is driven to restore the position by the spring of the rebound device, so that the next time the fixed plate can be easily grabbed, and the automaticity of the screw locking machine is increased. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the new type;

[0017] Figure 2 is a structural schematic view of the new type;

[0018] Figure 3 is a structural schematic view of the new type.

[0019] In the figure: 1, fixed plate; 101, rubber pad; 102, sliding hole; 2, connecting plate; 201, first external thread; 3, limiting device; 301, limiting shaft; 302, first baffle; 303, rebound device; 3031, sliding ring; 3032, spring; 3033, fixed block; 304, connecting column; 305, connecting shaft; 3051, second external thread; 4, rotating shaft; 401, through hole; 402, third external thread; 403, first internal thread; 5, fixed shaft; 501, groove; 502, protruding guide; 5021, second internal thread; 6, sliding shaft; 601, second baffle; 7, connecting belt; 8, lifting device. DETAILED DESCRIPTION

[0020] The new type will be further described below in combination with examples.

[0021] Please refer to Figures 1-3The utility model provides a shockproof device of screw locking machine, include: a plurality of fixed plate 1, a plurality of fixed plate 1 number is four, and all arc, and four arc fixed plate 1 can synthesize a whole circle, and a plurality of fixed plate 1 upper end all are fixedly connected with connecting plate 2, a plurality of connecting plate 2 all are arc, and arc connecting plate 2 can synthesize a cone, and a plurality of connecting plate 2 upper end all are equipped with first external thread 201, first external thread 201 all can be threadedly connected with fixed axle 5, fixed axle 5 upper end fixedly connected with rotating shaft 4, rotating shaft 4 upper end middle part is equipped with through hole 401, and rotating shaft 4 outer surface and through hole 401 outer surface are equipped with third external thread 402 or first internal thread 403 respectively, third external thread 402 outer surface is threadedly connected with sliding axle 6, sliding axle 6 outer surface is engagedly connected with connecting band 7, and connecting band 7 other end is engagedly connected with driving device, and a plurality of fixed plate 1 one side all are equipped with up-down symmetry sliding hole 102, up-down symmetry sliding hole 102 all slidingly connect with the outer surface of the limiting axle 301 of limiting device 3, and symmetry limiting axle 301 middle part all are fixedly connected with connecting column 304, and connecting column 304 upper end is fixedly connected with connecting axle 305, and connecting axle 305 upper end is fixedly connected in lifting device 8.

[0022] Further as Figure 1 illustrated, it is worth specifically mentioning that the inner surface lower end of four arc fixed plate 1 is fixedly connected with rubber pad 101, and the friction between four arc fixed plate 1 and screw can be increased by rubber pad 101.

[0023] Further as Figure 2 illustrated, it is worth specifically mentioning that the number of limiting axle 301 of each set of limiting device 3 is four, and there are two sets in total, and the one end of a plurality of limiting axle 301 is fixedly connected with first baffle 302, and the other end of every four limiting axle 301 is fixedly connected with each other, and the fixedly connected place of two sets of four limiting axle 301 is fixedly connected with connecting column 304, and the upper end of connecting column 304 is fixedly connected with connecting axle 305, and the outer surface upper end of connecting axle 305 is equipped with second external thread 3051, and the position and movement track of fixed plate 1 can be limited by limiting device 3.

[0024] Further as Figure 2 illustrated, it is worth specifically mentioning that the one end of a plurality of limiting axle 301 outer surface is fixedly connected with rebound device 303, and rebound device 303 includes fixed block 3033, and the front end of fixed block 3033 is fixedly connected with spring 3032, and the front end of spring 3032 is fixedly connected with sliding ring 3031, and the inner surface of sliding ring 3031 is slidingly connected with the outer surface of limiting axle 301, and fixed plate 1 can be restored to the original state by rebound device 303 after fixing screw.

[0025] The scheme has the following working process: first, the fixed plate 1 is moved to the upper end of the screw through the lifting device 8, then the connecting belt 7 is driven to rotate through the driving device, the rotating shaft 4 connected with the connecting belt 7 is driven to rotate, the first internal thread 403 on the inner side of the rotating shaft 4 is threadedly connected to the second external thread 3051 on the outer surface of the connecting shaft 305, and the upper end of the connecting shaft 305 is fixedly connected to the lower end of the lifting device 8. The rotating shaft 4 can only move up and down, thereby driving the fixed shaft 5 to move downward and rotate, and driving the fixed plate 1 to move to the middle, so that the upper end of the screw can be fixed, and then the screw is driven to the appropriate position through the lifting device 8.

[0026] According to the above working process, it can be seen that the rubber pad 101 can increase the friction between the four arc-shaped fixed plates 1 and the screw, the limiting device 3 can limit the position and movement track of the fixed plate 1, and the resilient device 303 can restore the fixed plate 1 to the original state after fixing the screw.

[0027] Further as shown in Figure 3 , it is worth noting that the second external thread 3051 is threadedly connected to the first internal thread 403, and the second external thread 3051 is threadedly connected to the first internal thread 403, which can limit the position and movement track of the rotating shaft 4.

[0028] Further as shown in Figure 3 , it is worth noting that the lower end of the fixed shaft 5 is provided with a groove 501, and the fixed shaft 5 is provided with a protruding guide 502 on the inner surface of the groove 501. The lower end of the protruding guide 502 is arc-shaped, and is provided with a second internal thread 5021. The second internal thread 5021 can be threadedly connected to the first external thread 201 on the outer surface of the connecting plate 2. The protruding guide 502 and the second internal thread 5021 can effectively drive the mutual adhesion of the connecting plate 2, thereby driving the relative movement of the fixed plate 1, and thereby fixing the screw.

[0029] Further as shown in Figure 1 , it is worth noting that the sliding shaft 6 is fixedly connected with a second baffle 601 on both sides of the connecting belt 7. The second baffle 601 limits the position and movement track of the connecting belt 7 on the outer surface of the sliding shaft 6.

[0030] In summary: first, the fixed plate 1 is moved to the upper end of the screw through the lifting device 8, then the connecting belt 7 is driven to rotate through the driving device, the meshing connecting rotating shaft 4 is driven to rotate, the first internal thread 403 on the inner side of the rotating shaft 4 is threadedly connected to the second external thread 3051 on the outer surface of the connecting shaft 305, the upper end of the connecting shaft 305 is fixedly connected to the lower end of the lifting device 8, the rotating of the rotating shaft 4 can only move up and down, thereby driving the fixed shaft 5 to move downward and rotate, and driving the fixed plate 1 to move to the middle part, thereby fixing the upper end of the screw, then the screw is driven to the appropriate position through the lifting device 8, the second external thread 3051 is threadedly connected to the first internal thread 403, the position and movement track of the rotating shaft 4 can be limited, the convex guide 502 and the second internal thread 5021 can effectively drive the mutual adhesion of the connecting plate 2, thereby driving the relative movement of the fixed plate 1, thereby fixing the screw, the second baffle 601 limits the position and movement track of the connecting belt 7 on the outer surface of the sliding shaft 6.

[0031] The basic principle, main features and advantages of the new type are shown and described above. It should be understood by those skilled in the art that the new type is not limited by the above examples, the above examples and descriptions in the specification are only the principles of the new type, various changes and improvements can be made without departing from the spirit and scope of the new type, and these changes and improvements all fall within the scope of the claimed new type. The scope of protection required by the new type is defined by the appended claims and their equivalents.

Claims

1. A shockproof device for a screw locking machine, comprising a plurality of fixing plates (1), characterized in that: The number of the fixed plates (1) is four, and the fixed plates (1) are arc-shaped, and the four arc-shaped fixed plates (1) can form a whole circle, and the upper ends of the fixed plates (1) are fixedly connected with connecting plates (2), the connecting plates (2) are arc-shaped, and the arc-shaped connecting plates (2) can form a cone, and the upper ends of the connecting plates (2) are provided with first external threads (201), the first external threads (201) are threadedly connected with fixed shafts (5), the upper ends of the fixed shafts (5) are fixedly connected with rotating shafts (4), the upper ends of the rotating shafts (4) are provided with through holes (401), and the outer surfaces of the rotating shafts (4) and the through holes (401) are respectively provided with third external threads (402) or first internal threads (403), the outer surfaces of the third external threads (402) are threadedly connected with sliding shafts (6), the outer surfaces of the sliding shafts (6) are engagedly connected with connecting belts (7), the other ends of the connecting belts (7) are engagedly connected with driving devices, and the sides of the fixed plates (1) are provided with upper and lower symmetrical sliding holes (102), the outer surfaces of the upper and lower symmetrical sliding holes (102) are slidably connected with the limiting shafts (301) of the limiting devices (3), the middle parts of the limiting shafts (301) are fixedly connected with connecting columns (304), the upper ends of the connecting columns (304) are fixedly connected with connecting shafts (305), and the upper ends of the connecting shafts (305) are fixedly connected with lifting devices (8).

2. The anti-vibration device of a screw locking machine according to claim 1, characterized in that: The inner surfaces of the four arc-shaped fixed plates (1) are fixedly connected with rubber pads (101) at the lower ends.

3. The anti-vibration device of a screw locking machine according to claim 1, characterized in that: The number of the limiting shafts (301) of each set of limiting devices (3) is four, and there are two sets in total, the one ends of the limiting shafts (301) are fixedly connected with first baffles (302), the other ends of the four limiting shafts (301) of each set are fixedly connected with each other, the fixedly connected parts of the four limiting shafts (301) of the two sets are fixedly connected with the connecting columns (304), the upper ends of the connecting columns (304) are fixedly connected with the connecting shafts (305), and the outer surfaces of the upper ends of the connecting shafts (305) are provided with second external threads (3051).

4. The anti-vibration device of a screw locking machine according to claim 3, characterized in that: The one ends of the outer surfaces of the limiting shafts (301) are fixedly connected with rebound devices (303), and the rebound devices (303) comprise fixed blocks (3033), the front ends of the fixed blocks (3033) are fixedly connected with springs (3032), the front ends of the springs (3032) are fixedly connected with sliding rings (3031), and the inner surfaces of the sliding rings (3031) are slidably connected with the outer surfaces of the limiting shafts (301).

5. The anti-vibration device of claim 3, wherein: The second external threads (3051) are threadedly connected with the first internal threads (403).

6. The anti-vibration device of a screw locking machine according to claim 1, characterized in that: The middle parts of the lower ends of the fixed shafts (5) are provided with grooves (501), the lower ends of the fixed shafts (5) located in the inner surfaces of the grooves (501) are provided with protruding guides (502), the lower ends of the protruding guides (502) are arc-shaped, the protruding guides (502) are provided with second internal threads (5021), and the second internal threads (5021) are threadedly connected with the first external threads (201) provided on the outer surfaces of the connecting plates (2).

7. The anti-vibration device of a screw locking machine according to claim 1, characterized in that: The sliding shaft (6) is fixedly connected with the second baffle (601) on both sides of the connecting belt (7).

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