CN217434091U

CN217434091U - Cam connecting rod rotating mechanism

Info

Publication number: CN217434091U
Application number: CN202122929322.2U
Authority: CN
Inventors: 彭法锦; 源俊华; 叶文森; 张资华
Original assignee: Zhuhai Bojay Electronics Co Ltd
Current assignee: Zhuhai Bojay Electronics Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-09-16
Anticipated expiration: 2031-11-26

Abstract

The utility model aims at providing a cam connecting rod rotary mechanism that eccentric rotation, occupation space are little and extensive applicability. The utility model discloses a bottom plate, fixed plate, driving motor, unsteady subassembly, drive assembly and rotor plate, the fixed plate is located on the bottom plate, driving motor passes through unsteady subassembly clearance fit is in on the fixed plate, drive assembly includes worm, worm wheel, connecting block, pulley and rotatory piece, driving motor the worm wheel with the connecting block is the transmission in proper order and is connected, the worm wheel is kept away from the one end of connecting block with the bottom plate rotates to be connected, waist shape hole has been seted up on the connecting block, pulley sliding fit is in on the waist shape hole, the pulley rotatory piece with the rotor plate is the transmission in proper order and is connected. The utility model discloses be applied to the technical field that the electronic product screen detected.

Description

Cam connecting rod rotating mechanism

Technical Field

The utility model relates to a technical field that electronic product screen detected, in particular to cam connecting rod rotary mechanism.

Background

In the production process of electronic products, screens need to be detected, such as screen detection and calibration of mobile phones and tablet computers, touch screen pressure test, screen scribing test and other test processes, clamps often need to have a rotating function, a traditional rotating clamp generally drives the clamps to rotate through a motor and a rotating shaft, and for example, a Chinese patent with the publication number of CN210499371U discloses a rotatable clamp.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a cam connecting rod rotary mechanism that eccentric rotation, occupation space are little and extensive applicability.

The utility model adopts the technical proposal that: the utility model discloses a bottom plate, fixed plate, driving motor, unsteady subassembly, drive assembly and rotor plate, the fixed plate is located on the bottom plate, driving motor passes through unsteady subassembly clearance fit is in on the fixed plate, drive assembly includes worm, worm wheel, connecting block, pulley and rotatory piece, driving motor the worm wheel with the connecting block is the transmission in proper order and is connected, the worm wheel is kept away from the one end of connecting block with the bottom plate rotates to be connected, waist shape hole has been seted up on the connecting block, pulley sliding fit is in on the waist shape hole, the pulley rotatory piece with the rotor plate is the transmission in proper order and is connected.

Furthermore, two sensors are arranged on the bottom plate, and sensing pieces matched with the two sensors are arranged on the rotating plate.

Furthermore, a limiting block is arranged on the fixing plate and matched with the rotating plate.

Further, the subassembly that floats includes that two set up side by side slide rail, sliding fit on the fixed plate are in mounting panel on the slide rail with locate the mounting panel with spring between the bottom plate, driving motor locates on the mounting panel.

Furthermore, the rotating plate is provided with a data connecting line, and the data connecting line is matched with the product.

Furthermore, both ends of the rotating plate are rotatably connected with the bottom plate through a rotating shaft and a bearing, and the rotating shaft close to the driving motor is connected with the rotating block.

Furthermore, a fixing groove matched with the product is formed in the rotating plate, the fixing groove is provided with an opening, a locking block is arranged on the rotating plate close to the opening, a plurality of through holes and a plurality of equal-height screws in one-to-one correspondence with the through holes are formed in the locking block, and the equal-height screws penetrate through the through holes and are connected with the rotating plate.

The utility model discloses following beneficial effect has: the cam connecting rod rotating mechanism is compact and reliable, ensures the rotating precision of the clamp platform and realizes eccentric rotation by matching the worm and gear mechanism, can greatly reduce the distance from an output rotating shaft center to the structural outer contour of the top of the bottom plate, enables the top platform of the bottom plate to be as flat as possible, reduces the occupied space, facilitates the butt joint of an external part and the cam connecting rod rotating mechanism, can be suitable for different environments, and has strong practicability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view in another direction of the present invention;

fig. 3 is a schematic structural view of the driving motor, the floating assembly and the transmission assembly.

Detailed Description

As shown in fig. 1 to 3, in the present embodiment, the cam link rotating mechanism includes a base plate 1, a fixed plate 2, a driving motor 3, a floating assembly 4, a transmission assembly 5 and a rotating plate 6, the fixed plate 2 is arranged on the bottom plate 1, the driving motor 3 is movably matched on the fixed plate 2 through the floating component 4, the transmission assembly 5 comprises a worm 7, a worm wheel 8, a connecting block 9, a pulley 10 and a rotating block 11, the driving motor 3, the worm 7, the worm wheel 8 and the connecting block 9 are sequentially connected in a transmission way, one end of the worm wheel 8 far away from the connecting block 9 is rotationally connected with the bottom plate 1, a waist-shaped hole 12 is arranged on the connecting block 9, the pulley 10 is in sliding fit with the kidney-shaped hole 12, and the pulley 10, the rotating block 11 and the rotating plate 6 are sequentially in transmission connection.

As can be seen from the above solution, the driving motor 3 drives the connecting block 9 to rotate through the worm 7 and the worm wheel 8, so that the pulley 10 slides in the kidney-shaped hole 12, and then the pulley 10 drives the rotating block 11 to rotate, so that the rotating plate 6 rotates along with the rotating block 11, and a certain included angle exists between the rotating plate 6 and the bottom plate 1, and a product can rotate along with the rotating plate 6 by placing the product on the rotating plate 6; compared with the traditional transmission mode, the driving motor 3 and the transmission assembly 5 are arranged downwards, so that the volume of the driving motor 3 and the transmission assembly 5 protruding out of the top end face of the bottom plate 1 is reduced, the occupied space is effectively reduced, and the external part is convenient to butt with the clamp in the scheme.

As shown in fig. 1 and 2, two sensors 13 are disposed on the bottom plate 1, and an induction sheet 14 matched with the two sensors 13 is disposed on the rotating plate 6; the fixed plate 2 is provided with a limiting block 15, and the limiting block 15 is matched with the rotating plate 6.

As can be seen from the above solution, the two sensors 13, the sensing piece 14 and the limiting block 15 are arranged to limit the rotation angle of the rotating plate 6.

Preferably, as shown in fig. 1 and 3, the floating assembly 4 includes two sliding rails 16 arranged in parallel on the fixed plate 2, a mounting plate 17 slidably fitted on the sliding rails 16, and a spring arranged between the mounting plate 17 and the bottom plate 1, and the driving motor 3 is arranged on the mounting plate 17.

It can be seen from the above solution that when the worm wheel 8 and the worm 7 are squeezed due to the precision problem, the driving motor 3 can slide relatively on the fixing plate 2 along the slide rail 16, so as to indirectly change the relative positions of the worm 7 and the worm wheel 8, and effectively increase the transmission ratio and stability.

Preferably, as shown in fig. 1, a data connection line 18 is provided on the rotating plate 6, and the data connection line 18 is adapted to a product.

According to the scheme, the connecting line is connected with the product, so that the test is completed, and corresponding test data is exported.

Preferably, as shown in fig. 1 and 2, both ends of the rotating plate 6 are rotatably connected to the base plate 1 through a rotating shaft 19 and a bearing 20, and the rotating shaft 19 near the driving motor 3 is connected to the rotating block 11, so that the rotating plate 6 can find rotation.

As shown in fig. 1 and 2, a fixing groove adapted to a product is formed in the rotating plate 6, the fixing groove has an opening, a locking block 22 is disposed at a position, close to the opening, of the rotating plate 6, the locking block 22 is provided with a plurality of through holes 23 and a plurality of equal-height screws 24 corresponding to the through holes 23, and the equal-height screws 24 penetrate through the through holes 23 and are connected to the rotating plate 6.

According to the scheme, a certain included angle exists between the rotating plate 6 and the bottom plate 1, when a product is placed, the locking block 22 is shifted to enable the locking block 22 to slide along the length direction of the through hole 23, the locking block 22 is far away from the opening in the fixed groove, the product can be smoothly placed on the fixed groove, in the design, the data connecting line 18 is arranged on the rotating plate 6 in a sliding fit mode through the movable block, when the product is placed, the movable block is shifted to enable the movable block to achieve the principle that the fixed groove is avoided, the product is completely placed behind the fixed groove, the locking block 22 and the movable block are shifted to reset, the locking block 22 locks the product, and the data connecting line 18 is connected with the product.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A cam link rotary mechanism which characterized in that: the novel floating type worm gear transmission mechanism comprises a base plate (1), a fixing plate (2), a driving motor (3), a floating assembly (4), a transmission assembly (5) and a rotating plate (6), wherein the fixing plate (2) is arranged on the base plate (1), the driving motor (3) is movably matched on the fixing plate (2) through the floating assembly (4), the transmission assembly (5) comprises a worm (7), a worm wheel (8), a connecting block (9), a pulley (10) and a rotating block (11), the driving motor (3), the worm (7), the worm wheel (8) and the connecting block (9) are sequentially in transmission connection, one end, far away from the connecting block (9), of the worm wheel (8) is rotatably connected with the base plate (1), a waist-shaped hole (12) is formed in the connecting block (9), and the pulley (10) is in sliding fit on the waist-shaped hole (12), the pulley (10), the rotating block (11) and the rotating plate (6) are sequentially in transmission connection.

2. A cam-link rotation mechanism according to claim 1, wherein: the bottom plate (1) is provided with two sensors (13), and the rotating plate (6) is provided with an induction sheet (14) matched with the two sensors (13).

3. A cam-link rotation mechanism according to claim 1, wherein: the fixing plate (2) is provided with a limiting block (15), and the limiting block (15) is matched with the rotating plate (6).

4. A cam-link rotation mechanism according to claim 1, wherein: the floating assembly (4) comprises two sliding rails (16) arranged in parallel on the fixed plate (2), a mounting plate (17) arranged on the sliding rails (16) in a sliding fit manner and springs arranged between the mounting plate (17) and the bottom plate (1), and the driving motor (3) is arranged on the mounting plate (17).

5. A cam-link rotation mechanism according to claim 1, wherein: the rotating plate (6) is provided with a data connecting line (18), and the data connecting line (18) is matched with a product.

6. A cam-link rotation mechanism according to claim 1, wherein: the two ends of the rotating plate (6) are rotatably connected with the bottom plate (1) through a rotating shaft (19) and a bearing (20), and the rotating shaft (19) close to the driving motor (3) is connected with the rotating block (11).

7. A cam-link rotation mechanism according to claim 1, wherein: the rotary plate is characterized in that a fixing groove (21) matched with a product is formed in the rotary plate (6), an opening is formed in the fixing groove (21), a locking block (22) is arranged at the position, close to the opening, of the rotary plate (6), a plurality of through holes (23) and a plurality of equal-height screws (24) in one-to-one correspondence with the through holes (23) are arranged on the locking block (22), and the equal-height screws (24) penetrate through the through holes (23) and are connected with the rotary plate (6).