Dual-drive swing arm device

Abstract

The utility model discloses a dual-drive swing arm device which comprises a base, a support A, a support B, a servo motor, a transmission plate, a swing arm, a rotary disc, a transmission belt and transmission teeth A. The support A is fixed to the front portion of the top end of the base, the support B is fixed to the rear portion of the top end of the base, the servo motor is installed at the rear end of the support B, and the bottom of the transmission plate is rotationally connected to the interior of the support A; the swing arm is fixed to the upper portion of the front end of the transmission plate, the rotary disc is fixed to the front end of the support A, the transmission belt is connected to the swing arm through the rotary disc, the transmission teeth A are distributed at the inner side end of the transmission belt, and the transmission teeth A (9) are meshed with the rotary disc (7). The double-drive swing arm device solves the problems that a double-drive swing arm device generally has an adjusting function, and in the swing arm device driven by a transmission belt, the transmission belt is not matched, synchronous replacement is needed and operation is tedious due to the fact that a rotary disc is replaced for adjustment.

Description

Technical Field

[0001] The utility model relates to a swing arm device, in particular to a double-drive swing arm device. Background Art

[0002] A double-drive swing arm device generally refers to a swing arm mechanism equipped with two independent drive systems. This design can improve the motion accuracy and load-bearing capacity of the swing arm. In automated equipment, the double-drive swing arm device can achieve more complex motion trajectories and higher operation efficiency.

[0003] The double-drive swing arm device usually has an adjustment function. In the swing arm device driven by a transmission belt, replacing the turntable adjustment will cause the transmission belt to be mismatched and requires synchronous replacement, which is cumbersome to operate. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a double-drive swing arm device to solve the above technical problems.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions: A double-drive swing arm device includes a base, a support A, a support B, a servo motor, a transmission plate, a swing arm, a turntable, a transmission belt, and a transmission gear A. The front part of the top of the base is fixedly provided with the support A, the support B is fixed to the rear part of the top of the base, the servo motor is installed at the rear end of the support B, the bottom of the transmission plate is rotatably connected to the inside of the support A, and the transmission plate is connected to the servo motor. The swing arm is fixed to the upper part of the front end of the transmission plate, the turntable is fixed to the front end of the support A, the transmission belt is connected to the swing arm through the turntable, the transmission gear A is distributed at the inner side end of the transmission belt, and the transmission gear A meshes with the turntable.

[0006] Based on the above technical solutions, for a double-drive swing arm device according to the claims, the swing arm includes a support plate, a rotating shaft, a driving member, a transmission gear B, a chute, a fixing plate, a lead screw, a slider, and a support shaft. The characteristics are as follows: The bottom of the support plate is fixed to the front end of the transmission plate, the rear part of the rotating shaft is rotatably connected to the upper part of the support plate, the driving member is rotatably connected to the rear end of the support plate through the rear end of the rotating shaft, the transmission gear B is distributed at the front part of the side end of the rotating shaft, and the rotating shaft meshes with the transmission gear A through the transmission gear B. The chute is opened in the middle of the front end of the support plate, the fixing plate is fixed to the left end of the chute through the support plate, the lead screw is threadedly connected to the fixing plate, the slider is rotatably connected to the right end of the lead screw, and the slider is slidably connected to the chute left and right. The rear end of the support shaft is fixed to the slider, and the support shaft supports the inner side of the support transmission belt or the transmission belt.

[0007] Based on the above technical solutions, the support shaft supports the loose transmission belt according to the size of the turntable.

[0008] Compared with the prior art, the utility model has the following advantages: in the swing arm device driven by a motor and a transmission belt, a transmission belt with a maximum stroke is provided, and a swing arm with a supporting function is used to support the transmission belt after the size of the turntable is changed, thus eliminating the replacement link. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the external structure of the utility model.

[0010] Figure 2 It is a schematic diagram of the driving state of the utility model.

[0011] Figure 3 It is a schematic diagram of the swing arm structure of the utility model.

[0012] In the figure: 1, base; 2, support bracket A; 3, support bracket B; 4, servo motor; 5, drive plate; 6, swing arm; 7, turntable; 8, transmission belt; 9, drive gear A; 10, support plate; 11, rotating shaft; 12, driving member; 13, drive gear B; 14, sliding groove; 15, fixing plate; 16, lead screw; 17, slider; 18, support shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0013] The present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0014] As Figures 1 to 3 shown, a double-drive swing arm device includes a base 1, a support bracket A 2, a support bracket B 3, a servo motor 4, a drive plate 5, a swing arm 6, a turntable 7, a transmission belt 8, and a drive gear A 9. The front part of the top end of the base 1 is fixedly provided with the support bracket A 2, the support bracket B 3 is fixed to the rear part of the top end of the base 1, the servo motor 4 is installed at the rear end of the support bracket B 3, the bottom of the drive plate 5 is rotatably connected to the inside of the support bracket A 2, and the drive plate 5 is connected to the servo motor 4. The swing arm 6 is fixed to the upper part of the front end of the drive plate 5, the turntable 7 is fixed to the front end of the support bracket A 2, the transmission belt 8 is connected to the swing arm 6 through the turntable 7, the drive gear A 9 is distributed at the inner side end of the transmission belt 8, and the drive gear A 9 meshes with the turntable 7.

[0015] The described dual-drive swing arm device, the swing arm 6 includes a support plate 10, a rotating shaft 11, a driving member 12, a transmission gear B13, a sliding groove 14, a fixing plate 15, a lead screw 16, a slider 17, and a support shaft 18, and is characterized in that: the bottom of the support plate 10 is fixed to the front end of the transmission plate 5, the rear part of the rotating shaft 11 is rotatably connected to the upper part of the support plate 10, the driving member 12 is rotatably connected to the rear end of the support plate 10 through the rear end of the rotating shaft 11, the transmission gear B13 is distributed at the front part of the side end of the rotating shaft 11, and the rotating shaft 11 is engaged with the transmission gear A9 through the transmission gear B13, the sliding groove 14 is opened in the middle of the front end of the support plate 10, the fixing plate 15 is fixed to the left end of the sliding groove 14 through the support plate 10, the lead screw 16 is threadedly connected to the fixing plate 15, the slider 17 is rotatably connected to the right end of the lead screw 16, and the slider 17 is slidably connected to the sliding groove 14 left and right, the rear end of the support shaft 18 is fixed to the slider 17, and the support shaft 18 is inside the support transmission belt 8 or on the inner side of the support transmission belt 8.

[0016] The support shaft 18 supports the loose transmission belt 8 according to the size of the turntable 7.

[0017] The working principle of the present invention: The servo motor 4 drives the transmission plate 5 to rotate the swing arm 6 along the support bracket B. During the swinging process of the swing arm 6, the transmission belt 8 drives the rotating shaft 11 to rotate the driving member under the fixation of the transmission gear A9 on the turntable 7, realizing the dual-drive swing arm. When adjustment is required, after replacing the size of the turntable 7, the transmission belt 8 becomes loose. Rotate the lead screw 16 to push the slider 17, realizing the support of the support shaft 18 for the transmission belt 8 and tightening the rotating shaft 13. The replacement link is omitted.

[0018] The above is the preferred embodiment of the present invention. For those of ordinary skill in the art, according to the teachings of the present invention, without departing from the principle and spirit of the present invention, the changes, modifications, substitutions, and variations made to the implementation manners still fall within the protection scope of the present invention.

Claims

1. A dual-drive swing arm device, comprising a base (1), a bracket A (2), a bracket B (3), a servo motor (4), a transmission plate (5), a swing arm (6), a turntable (7), a transmission belt (8), and a transmission tooth A (9), characterized in that: The top front portion of the base (1) is fixed with a bracket A (2), the bracket B (3) is fixed to the top rear portion of the base (1), the servo motor (4) is installed at the rear end of the bracket B (3), the bottom of the transmission plate (5) is rotatably connected to the inside of the bracket A (2), and the transmission plate (5) is connected to the servo motor (4), the swing arm (6) is fixed to the upper front end of the transmission plate (5), the turntable (7) is fixed to the front end of the bracket A (2), the transmission belt (8) is connected to the swing arm (6) through the turntable (7), the transmission teeth A (9) are distributed at the inner end of the transmission belt (8), and the transmission teeth A (9) are meshed with the turntable (7).

2. A dual-drive swing arm device according to claim 1, characterized in that: The swing arm (6) comprises a support plate (10), a rotating shaft (11), a driving member (12), a transmission tooth B (13), a slide groove (14), a fixing plate (15), a screw rod (16), a slider (17), and a support shaft (18), and is characterized in that: the bottom of the support plate (10) is fixed to the front end of the transmission plate (5), the rear part of the rotating shaft (11) is rotatably connected to the upper part of the support plate (10), the driving member (12) is rotatably connected to the rear end of the support plate (10) through the rear end of the rotating shaft (11), and the transmission tooth B (13) is distributed on the side end of the rotating shaft (11). The front part of the support plate (10) is provided with a rotating shaft (11), and the rotating shaft (11) is meshed with the transmission tooth A (9) through the transmission tooth B (13). The slide groove (14) is opened in the middle of the front end of the support plate (10). The fixed plate (15) is fixed to the left end of the slide groove (14) through the support plate (10). The screw rod (16) is threadedly connected to the fixed plate (15). The slider (17) is rotatably connected to the right end of the screw rod (16), and the slider (17) is slidably connected to the slide groove (14) left and right. The rear end of the support shaft (18) is fixed to the slider (17), and the support shaft (18) or the inner side of the support transmission belt (8) is fixed.

3. A dual-drive swing arm device according to claim 2, characterized in that: The support shaft (18) supports the loose transmission belt (8) according to the size of the turntable (7).

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