A multi-station synchronous mechanical positioning mechanism

Abstract

A multi-station synchronous mechanical positioning mechanism, wherein a front linear guide rail (21) is mounted and fixed on the top surface of a mounting base plate (15) at a front position; the front linear guide rail (21) forms a 45-degree angle with the left and right sides of the mounting base plate (15); a rear linear guide rail (27) is mounted and fixed on the top surface of the mounting base plate (15) at a rear position; a left positioning clip (33) and a right positioning clip (35) are mounted and slide along the front linear guide rail (21) and the rear linear guide rail (27). The rear end of the closing cam connecting rod (59) is connected to the rotating shaft of the motor (55); the front opening and closing cam (61) is located between the left front opening and closing block (37) and the right front opening and closing block (41); and the rear opening and closing cam (61) is located between the left rear opening and closing block (39) and the right rear opening and closing block (43). The multi-station synchronous mechanical positioning mechanism of the present invention has stable opening and closing action, high action reliability, and long service life.

Description

Technical Field

[0001] The present invention relates to the field of intelligent manufacturing technology, and in particular to a multi-station synchronous mechanical positioning mechanism. Background Art

[0002] In mechanical processing, it is often necessary to clamp and position the workpiece, and use a cylinder as the power to open and close the two positioning clamps. In addition, through fixed inclined slot mechanical correction, the opening and closing action is not smooth enough, the action reliability is low, and the service life is short. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the defects of the existing technology that the opening and closing action is not smooth enough, the action reliability is low, and the service life is short, and a multi-station synchronous mechanical positioning mechanism is proposed, which can overcome the above defects, and the opening and closing action is smooth enough, the action reliability is high, and the service life is long.

[0004] In order to solve the above technical problems, the present invention proposes the following technical solutions: a multi-station synchronous mechanical positioning mechanism, comprising a front mounting base (11), a rear mounting base (13), a mounting base (15), a left sealing plate (17), a right sealing plate (19), a front linear guide rail (21), a front left ball slider (23), a front right ball slider (25), a rear linear guide rail (27), a rear left ball slider (29), a rear right ball slider (31), a left positioning clip (33), a right positioning clip (35), a left front closing block (37), a left rear closing block (39), a right front closing block (41), a right rear closing block (43), a left return spring block (45), a plurality of left return springs (47), a right return spring block (49), a plurality of right return springs (51), a positioning motor mounting base (53), a motor (55), a closing cam connecting rod (59), a front closing cam (61), and a rear closing cam (61);

[0005] The front mounting base (11) is mounted and fixed on the bottom surface of the front end of the mounting base plate (15), and the rear mounting base (13) is mounted and fixed on the bottom surface of the rear end of the mounting base plate (15);

[0006] The mounting base (15) is rectangular, with its left and right sides being the long sides of the rectangle, and its front and back sides being the short sides of the rectangle;

[0007] The left side sealing plate (17) is mounted and fixed on the left side edge of the mounting base plate (15);

[0008] The right side sealing plate (19) is mounted and fixed on the right side edge of the mounting base plate (15);

[0009] The front linear guide rail (21) is mounted and fixed on the top surface of the mounting base plate (15) at the front end position;

[0010] The front linear guide rail (21) is at a 45-degree angle to the left and right sides of the mounting base (15);

[0011] The front left ball slider (23) and the front right ball slider (25) are mounted on the front linear guide rail (21) and slide along the front linear guide rail (21);

[0012] The front left ball slider (23) is located on the left side of the front right ball slider (25);

[0013] The rear end linear guide rail (27) is fixed on the top surface of the mounting base plate (15) at the rear end position and is parallel to the front end linear guide rail (21);

[0014] The rear left ball slider (29) and the rear right ball slider (31) are mounted on the rear end linear guide rail (27) and slide along the rear end linear guide rail (27);

[0015] The rear left ball slider (29) is located on the left side of the rear right ball slider (31);

[0016] The front left ball slider (23) is mounted and fixed on the bottom surface of the left positioning clip (33) at the front end position, and the rear left ball slider (29) is mounted and fixed on the bottom surface of the left positioning clip (33) at the rear end position, so that the left positioning clip (33) is mounted and fixed on the front left ball slider (23) and the rear left ball slider (29), and slides along the front linear guide (21) and the rear linear guide (27) together.

[0017] The front right ball slider (25) is mounted and fixed on the bottom surface of the right positioning clip (35) at the front end position, and the rear right ball slider (31) is mounted and fixed on the bottom surface of the right positioning clip (35) at the rear end position, so that the right positioning clip (35) is mounted and fixed on the front right ball slider (25) and the rear right ball slider (31), and slides along the front linear guide (21) and the rear linear guide (27) together.

[0018] The left front closing block (37) is mounted and fixed at the front end portion of the bottom surface of the left positioning clip (33);

[0019] The left rear closing block (39) is mounted and fixed at the rear end portion of the bottom surface of the left positioning clip (33);

[0020] The right front closing block (41) is mounted and fixed at the front end position of the bottom surface of the right positioning clip (35);

[0021] The right rear closing block (43) is mounted and fixed at the rear end portion of the bottom surface of the right positioning clip (35);

[0022] The left return spring stopper (45) is mounted and fixed on the left side wall of the left positioning clip (33);

[0023] A plurality of left return springs (47) are installed between the left return spring stopper (45) and the left sealing plate (17);

[0024] The right return spring stopper (49) is mounted and fixed on the right side wall of the right positioning clip (35);

[0025] A plurality of right return springs (51) are installed between the right return spring stopper (49) and the right sealing plate (19);

[0026] The positioning motor mounting seat (53) is mounted and fixed on the rear end mounting base (13);

[0027] The motor (55) is mounted and fixed on the positioning motor mounting seat (53);

[0028] The rear end of the opening and closing cam connecting rod (59) is connected to the rotating shaft of the motor (55);

[0029] The front end opening and closing cam (61) is mounted and fixed on the front end of the opening and closing cam connecting rod (59), and is located between the left front opening and closing block (37) and the right front opening and closing block (41);

[0030] The rear end opening and closing cam (61) is mounted and fixed on the rear end of the opening and closing cam connecting rod (59) and is located between the left rear opening and closing block (39) and the right rear opening and closing block (43).

[0031] The above technical solution is further limited in that: a front bearing mounting hole (112) is provided at an upper position of the front mounting base (11), and a rear bearing mounting hole (132) is provided at an upper position of the rear mounting base (13);

[0032] The multi-station synchronous mechanical positioning mechanism further includes two front end bearings (66), two front end bearing positioning rings (67), two rear end bearings (69), and two rear end bearing positioning rings (71);

[0033] Two front end bearings (66) are mounted and fixed in the front end bearing mounting holes (112);

[0034] Two rear end bearings (69) are mounted and fixed in the rear end bearing mounting holes (132);

[0035] The opening and closing cam connecting rod (59) is inserted into the two front end bearings (66) and the two rear end bearings (69) and is tightly fitted therewith;

[0036] Two front end bearing locating rings (67) are sleeved on the opening and closing cam connecting rod (59) and fixed on the left and right sides of the two front end bearings (66);

[0037] Two rear end bearing locating rings (71) are sleeved on the opening and closing cam connecting rod (59) and fixed on the left and right sides of the two rear end bearings (69).

[0038] The above technical solution is further limited in that: the multi-station synchronous mechanical positioning mechanism also includes a coupling (57), and the rear end of the opening and closing cam connecting rod (59) is connected to the rotating shaft of the motor (55) through the coupling (57).

[0039] Compared with the prior art, the present invention has the following beneficial effects: the present invention drives the front opening and closing cam (61) and the rear opening and closing cam (63) through the motor (55), which push the left front opening and closing block (37), the right front opening and closing block (41), the left rear opening and closing block (39), the right rear opening and closing block (43), the left positioning clip (33), and the right positioning clip (35) to open. When closing is required, the left return spring block (45) and the right return spring block (49) restore the shape and apply elastic force to close the left positioning clip (33) and the right positioning clip (35). The function of synchronous positioning and coordinate correction of multiple components is realized. Compared with the traditional pneumatic solution or fixed inclined slot type mechanical correction, the transmission method of the present invention adopts a motor plus cam structure, which has a smooth opening and closing action, high action reliability, and long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 This is an exploded view of a multi-station synchronous mechanical positioning mechanism of the present invention.

[0041] Figure 2 This is an assembly diagram of a multi-station synchronous mechanical positioning mechanism of the present invention. DETAILED DESCRIPTION

[0042] See also Figures 1 to 2 A multi-station synchronous mechanical positioning mechanism includes a front mounting base 11, a rear mounting base 13, a mounting base 15, a left sealing plate 17, a right sealing plate 19, a front linear guide rail 21, a front left ball slider 23, a front right ball slider 25, a rear linear guide rail 27, a rear left ball slider 29, a rear right ball slider 31, a left positioning clip 33, a right positioning clip 35, a left front opening and closing block 37, a left rear opening and closing block 39, a right front opening and closing block 41, a right rear opening and closing block 43, a left return spring stopper 45, a plurality of left return springs 47, a right return spring stopper 49, a plurality of right return springs 51, a positioning motor mounting seat 53, a motor 55, a coupling 57, an opening and closing cam connecting rod 59, a front opening and closing cam 61, a rear opening and closing cam 63, two front end bearings 65, two front end bearing locating rings 67, two rear end bearings 69, and two rear end bearing locating rings 71.

[0043] The front mounting base 11 is fixed on the bottom surface of the front end of the mounting base 15 , and the rear mounting base 13 is fixed on the bottom surface of the rear end of the mounting base 15 , so that the mounting base 15 is stably supported by the front mounting base 11 and the rear mounting base 13 .

[0044] A front bearing mounting hole 112 is defined at the upper portion of the front mounting base 11 .

[0045] A rear end bearing mounting hole 132 is defined at the upper portion of the rear end mounting base 13 .

[0046] The mounting base plate 15 is rectangular, with its left and right sides being the long sides of the rectangle and its front and back sides being the short sides of the rectangle.

[0047] The left side sealing plate 17 is fixed to the left side edge of the mounting base plate 15 .

[0048] The right side sealing plate 19 is mounted and fixed on the right side edge of the mounting base plate 15 .

[0049] The front linear guide rail 21 is fixed on the top surface of the mounting base plate 15 at the front end.

[0050] The front linear guide rail 21 forms an angle of 45 degrees with the left and right sides of the mounting base 15 .

[0051] The front left ball slider 23 and the front right ball slider 25 are mounted on the front linear guide rail 21 and can slide along the front linear guide rail 21 .

[0052] The front left ball slider 23 is located on the left side of the front right ball slider 25 .

[0053] The rear end linear guide rail 27 is fixed on the top surface of the mounting base plate 15 at a rear end position and is parallel to the front end linear guide rail 21 .

[0054] The rear left ball slider 29 and the rear right ball slider 31 are mounted on the rear end linear guide rail 27 and can slide along the rear end linear guide rail 27 .

[0055] The rear left ball slider 29 is located on the left side of the rear right ball slider 31 .

[0056] The front left ball slider 23 is mounted and fixed on the bottom surface of the left positioning clip 33 at the front end position, and the rear left ball slider 29 is mounted and fixed on the bottom surface of the left positioning clip 33 at the rear end position. Therefore, the left positioning clip 33 is mounted and fixed on the front left ball slider 23 and the rear left ball slider 29, and can slide along the front linear guide 21 and the rear linear guide 27 together.

[0057] The front right ball slider 25 is mounted and fixed on the bottom surface of the right positioning clip 35 at the front end position, and the rear right ball slider 31 is mounted and fixed on the bottom surface of the right positioning clip 35 at the rear end position. Therefore, the right positioning clip 35 is mounted and fixed on the front right ball slider 25 and the rear right ball slider 31, and can slide along the front linear guide 21 and the rear linear guide 27 together.

[0058] The left front closing block 37 is mounted and fixed on the front end portion of the bottom surface of the left positioning clip 33 .

[0059] The left rear closing block 39 is mounted and fixed at the rear end portion of the bottom surface of the left positioning clip 33 .

[0060] The right front closing block 41 is mounted and fixed on the front end portion of the bottom surface of the right positioning clip 35 .

[0061] The right rear closing block 43 is mounted and fixed at the rear end portion of the bottom surface of the right positioning clip 35 .

[0062] The left return spring stopper 45 is mounted and fixed on the left side wall of the left positioning clip 33 .

[0063] A plurality of left return springs 47 are installed between the left return spring stopper 45 and the left side sealing plate 17 . The plurality of left return springs 47 apply elastic force to the left return spring stopper 45 to push the left positioning clip 33 toward the right positioning clip 35 .

[0064] The right return spring stopper 49 is mounted and fixed on the right side wall of the right positioning clip 35 .

[0065] A plurality of right return springs 51 are installed between the right return spring stopper 49 and the right sealing plate 19 . The plurality of right return springs 51 apply elastic force to the right return spring stopper 49 to push the right positioning clip 35 toward the left positioning clip 33 .

[0066] The positioning motor mounting seat 53 is mounted and fixed on the rear end mounting base 13 .

[0067] The motor 55 is mounted and fixed on the positioning motor mounting seat 53 .

[0068] The rear end of the opening and closing cam link 59 is connected to the rotating shaft (not numbered) of the motor 55 through a coupling 57 .

[0069] The front end opening and closing cam 61 is mounted and fixed on the front end of the opening and closing cam link 59 and is located between the left front opening and closing block 37 and the right front opening and closing block 41 .

[0070] The rear end opening and closing cam 63 is fixedly mounted on the rear end of the opening and closing cam link 59 and is located between the left rear opening and closing block 39 and the right rear opening and closing block 43 .

[0071] The two front end bearings 65 are mounted and fixed in the front end bearing mounting holes 112 .

[0072] The two rear end bearings 69 are mounted and fixed in the rear end bearing mounting holes 132 .

[0073] The opening and closing cam connecting rod 59 is passed through the two front end bearings 65 and the two rear end bearings 69 and is tightly fitted therewith.

[0074] The two front end bearing locating rings 67 are sleeved on the opening and closing cam connecting rod 59 and fixed on the left and right sides of the two front end bearings 65 .

[0075] The two rear end bearing locating rings 71 are sleeved on the opening and closing cam connecting rod 59 and fixed on the left and right sides of the two rear end bearings 69 .

[0076] During operation, the motor 55 is started, and its rotating shaft drives the opening and closing cam link 59 to rotate, and the front end opening and closing cam 61 and the rear end opening and closing cam 63 fixed on the opening and closing cam link 59 rotate synchronously, and the front end opening and closing cam 61 pushes the left front opening and closing block 37 and the right front opening and closing block 41 to open, and the rear end opening and closing cam 63 pushes the left rear opening and closing block 39 and the right rear opening and closing block 43 to open, so that the left positioning clip 33 and the right positioning clip 35 fixed thereon are also opened synchronously, and the left return spring block 45 and the right return spring block 49 are compressed and accumulate a certain elastic force. After the front opening and closing cam 61 and the rear opening and closing cam 63 rotate to a certain angle, they no longer push the left front opening and closing block 37, the right front opening and closing block 41, the left rear opening and closing block 39 and the right rear opening and closing block 43 on both sides. The left return spring block 45 and the right return spring block 49 restore their shapes and apply elastic force, so that the left positioning clip 33 and the right positioning clip 35 move in relative directions and then close and clamp together.

[0077] The front left ball slider 23 and the rear left ball slider 29 fixed to the bottom surface of the left positioning clip 33 slide along the front linear guide rail 21, so that the left positioning clip 33 is very stable when opening and closing without shaking.

[0078] The front right ball slider 25 and the rear right ball slider 31 fixed to the bottom surface of the right positioning clip 35 slide along the rear end linear guide rail 27, so that the right positioning clip 35 is very stable when opening and closing without shaking.

[0079] The present invention uses a motor 55 to drive the front opening and closing cam 61 and the rear opening and closing cam 63, which push the left front opening and closing block 37, the right front opening and closing block 41, the left rear opening and closing block 39, the right rear opening and closing block 43, the left positioning clip 33, and the right positioning clip 35 to open. When closing is required, the left return spring block 45 and the right return spring block 49 restore their shape and apply elastic force to close the left positioning clip 33 and the right positioning clip 35. This achieves the function of synchronously positioning and correcting the coordinates of multiple components. Compared with traditional pneumatic solutions or fixed chute mechanical correction, the transmission method of the present invention adopts a motor plus cam structure, which has smooth opening and closing action, high action reliability, and long service life.

Claims

1. A multi-station synchronous mechanical positioning mechanism, characterized in that: It includes a front mounting base (11), a rear mounting base (13), a mounting base (15), a left sealing plate (17), a right sealing plate (19), a front linear guide rail (21), a front left ball slider (23), a front right ball slider (25), a rear linear guide rail (27), a rear left ball slider (29), a rear right ball slider (31), a left positioning clip (33), a right positioning clip (35), a left front closing block (37), a left rear closing block (39), a right front closing block (41), a right rear closing block (43), a left return spring block (45), a plurality of left return springs (47), a right return spring block (49), a plurality of right return springs (51), a positioning motor mounting base (53), a motor (55), a closing cam connecting rod (59), a front closing cam (61), and a rear closing cam (61); The front mounting base (11) is mounted and fixed on the bottom surface of the front end of the mounting base plate (15), and the rear mounting base (13) is mounted and fixed on the bottom surface of the rear end of the mounting base plate (15); The mounting base (15) is rectangular, with its left and right sides being the long sides of the rectangle, and its front and back sides being the short sides of the rectangle; The left side sealing plate (17) is mounted and fixed on the left side edge of the mounting base plate (15); The right side sealing plate (19) is mounted and fixed on the right side edge of the mounting base plate (15); The front linear guide rail (21) is mounted and fixed on the top surface of the mounting base plate (15) at the front end position; The front linear guide rail (21) is at a 45-degree angle to the left and right sides of the mounting base (15); The front left ball slider (23) and the front right ball slider (25) are mounted on the front linear guide rail (21) and slide along the front linear guide rail (21); The front left ball slider (23) is located on the left side of the front right ball slider (25); The rear end linear guide rail (27) is fixed on the top surface of the mounting base plate (15) at the rear end position and is parallel to the front end linear guide rail (21); The rear left ball slider (29) and the rear right ball slider (31) are mounted on the rear end linear guide rail (27) and slide along the rear end linear guide rail (27); The rear left ball slider (29) is located on the left side of the rear right ball slider (31); The front left ball slider (23) is mounted and fixed on the bottom surface of the left positioning clip (33) at the front end position, and the rear left ball slider (29) is mounted and fixed on the bottom surface of the left positioning clip (33) at the rear end position, so that the left positioning clip (33) is mounted and fixed on the front left ball slider (23) and the rear left ball slider (29), and slides along the front linear guide (21) and the rear linear guide (27) together. The front right ball slider (25) is mounted and fixed on the bottom surface of the right positioning clip (35) at the front end position, and the rear right ball slider (31) is mounted and fixed on the bottom surface of the right positioning clip (35) at the rear end position, so that the right positioning clip (35) is mounted and fixed on the front right ball slider (25) and the rear right ball slider (31), and slides along the front linear guide (21) and the rear linear guide (27) together. The left front closing block (37) is mounted and fixed at the front end portion of the bottom surface of the left positioning clip (33); The left rear closing block (39) is mounted and fixed at the rear end portion of the bottom surface of the left positioning clip (33); The right front closing block (41) is mounted and fixed at the front end position of the bottom surface of the right positioning clip (35); The right rear closing block (43) is mounted and fixed at the rear end portion of the bottom surface of the right positioning clip (35); The left return spring stopper (45) is mounted and fixed on the left side wall of the left positioning clip (33); A plurality of left return springs (47) are installed between the left return spring stopper (45) and the left sealing plate (17); The right return spring stopper (49) is mounted and fixed on the right side wall of the right positioning clip (35); A plurality of right return springs (51) are installed between the right return spring stopper (49) and the right sealing plate (19); The positioning motor mounting seat (53) is mounted and fixed on the rear end mounting base (13); The motor (55) is mounted and fixed on the positioning motor mounting seat (53); The rear end of the opening and closing cam connecting rod (59) is connected to the rotating shaft of the motor (55); The front end opening and closing cam (61) is mounted and fixed on the front end of the opening and closing cam connecting rod (59), and is located between the left front opening and closing block (37) and the right front opening and closing block (41); The rear end opening and closing cam (61) is mounted and fixed on the rear end of the opening and closing cam connecting rod (59) and is located between the left rear opening and closing block (39) and the right rear opening and closing block (43).

2. A multi-station synchronous mechanical positioning mechanism according to claim 1, characterized in that: A front bearing mounting hole (112) is provided at an upper position of the front mounting base (11), and a rear bearing mounting hole (132) is provided at an upper position of the rear mounting base (13); The multi-station synchronous mechanical positioning mechanism further includes two front-end bearings (66), two front-end bearing positioning rings (67), two rear-end bearings (69), and two rear-end bearing positioning rings (71); Two front end bearings (66) are mounted and fixed in the front end bearing mounting holes (112); Two rear end bearings (69) are mounted and fixed in the rear end bearing mounting holes (132); The opening and closing cam connecting rod (59) is inserted into the two front end bearings (66) and the two rear end bearings (69) and is tightly fitted therewith; Two front end bearing locating rings (67) are sleeved on the opening and closing cam connecting rod (59) and fixed on the left and right sides of the two front end bearings (66); Two rear end bearing locating rings (71) are sleeved on the opening and closing cam connecting rod (59) and fixed on the left and right sides of the two rear end bearings (69).

3. A multi-station synchronous mechanical positioning mechanism according to claim 1 or 2, characterized in that: The multi-station synchronous mechanical positioning mechanism further includes a coupling (57), and the rear end of the opening and closing cam connecting rod (59) is connected to the rotating shaft of the motor (55) through the coupling (57).

Images