Doll machine
By setting a clutch device on the X, Y, and Z axis moving mechanism of the claw machine, the problem of motor and gear damage caused by the jamming of the mechanical arm is solved, thus protecting the motor and gears while increasing playability.
Patent Information
- Application Number
- CN202422780653.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-11-14
AI Technical Summary
The existing claw machine mechanical arm is prone to jamming during operation, causing damage to the motor, gear or rack.
Clutch devices are respectively provided on the X-axis, Y-axis and Z-axis moving mechanisms, including a rotating shaft, a fixed gear, a clutch gear and a clutch spring. When a jam occurs, the clutch gear is disengaged from the fixed gear to protect the motor and gear from damage, and normal operation is restored after the fault is eliminated.
It effectively protects the motor and gears from damage and increases the playability and reliability of the robotic arm.
Smart Images
Figure CN223347380U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of claw machine, in particular to a clutch structure of a claw machine. Background Art
[0002] Claw machines, also known as "claw machines" in China, are a type of electronic game originating in Japan. Products are displayed in a transparent box with a robotic arm that grabs the items. The user must manipulate the arm to retrieve the desired item. Typically, the robotic arm of a claw machine requires high-frequency movement in three axes (X, Y, and Z). If the robotic arm freezes during operation, continuing to operate the motor can damage the motor, gears, or rack. Utility Model Content
[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a claw machine that can protect the motor, gear or rack when a jam occurs during the operation of the mechanical arm.
[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a claw machine, comprising a body, a robotic arm, an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism, wherein the X-axis moving mechanism comprises an X-axis moving frame, a first rack, an X-axis motor and a first driving gear shaft driven by the X-axis motor, a first clutch device is provided between the X-axis motor and the first moving gear, the Y-axis moving mechanism is installed on the X-axis moving frame, the Y-axis moving mechanism comprises a Y-axis moving frame, a second rack, a Y-axis motor and a second driving gear shaft driven by the Y-axis motor, a second clutch device is provided between the Y-axis motor and the second driving gear shaft, the Z-axis moving mechanism comprises a Z-axis motor and a rotating wheel driven by the Z-axis motor, the rotating wheel is connected to the robotic arm by setting a connecting cable, and a third clutch device is provided between the rotating wheel and the Z-axis motor.
[0005] Furthermore, the first clutch device, the second clutch device and the third clutch device are respectively composed of a rotating shaft, a fixed gear, a clutch gear and a clutch spring. The fixed gear is in contact with the clutch gear. The fixed gear is provided with a first engaging portion with a concave and convex surface on the side facing the clutch gear. The clutch gear is provided with a second engaging portion matching the first engaging portion.
[0006] Furthermore, the first engaging portion is composed of a plurality of folds in a circumferential array, and two inclined surfaces are symmetrically arranged on the folds.
[0007] Furthermore, the fixed gear is fixedly mounted on the rotating shaft and cannot move forward and backward on the rotating shaft. The clutch gear is sleeved on the rotating shaft and can move forward and backward along the rotating shaft. The clutch spring is arranged on the rear side of the clutch gear, and the clutch spring pushes the clutch gear to fit with the fixed gear.
[0008] Furthermore, the first rack is arranged on the upper part of the machine body, the X-axis motor and the first drive gear shaft are arranged on the X-axis movable frame, the first drive gear shaft is engaged with the first rack, and a gear set is arranged between the X-axis motor and the first drive gear shaft, and the gear set between the X-axis motor and the first drive gear shaft includes a first clutch device.
[0009] Furthermore, the second rack is arranged on the X-axis movable frame, the Y-axis motor and the second driving gear shaft are arranged on the Y-axis movable frame, the second driving gear shaft is engaged with the second rack, a gear set is arranged between the Y-axis motor and the second driving gear shaft, and the gear set between the Y-axis motor and the second driving gear shaft includes a second clutch device.
[0010] Furthermore, the Z-axis motor and the rotating wheel are installed on the Y-axis moving frame, a gear set is provided between the Z-axis motor and the rotating wheel, and the gear set between the Z-axis motor and the rotating wheel includes a third clutch device.
[0011] Furthermore, the machine body is provided with a controller, a control circuit board and a drop port, and the controller is detachably mounted on the machine body.
[0012] Furthermore, the body is provided with a mounting groove that matches the contour of the manipulator, the manipulator is placed on the mounting groove, the manipulator is detachably connected to the body, a wireless signal transmitting device is provided in the manipulator, the control circuit board is installed inside the body, and a wireless signal receiving device is provided on the control circuit board.
[0013] The beneficial effects of the present invention are as follows: by respectively arranging a first clutch device on the X-axis moving mechanism, a second clutch device on the Y-axis moving mechanism, and a third clutch device on the Z-axis moving mechanism, when the robotic arm is stuck while moving in any of the X, Y, and Z directions, the clutch gear on the clutch device in the corresponding direction will move backward along the inclined surface of the folded portion, so that the clutch gear is disengaged from the fixed gear, thereby protecting the moving mechanism and avoiding damage to the moving mechanism due to continued operation of the motor; after the stuck fault is eliminated, the clutch gear is pushed by the clutch spring to fit with the fixed gear, and at this time the clutch gear can drive the fixed gear to rotate, and the moving mechanism in the corresponding direction resumes normal operation; in addition, the manipulator can be removed from the body to remotely control the robotic arm, thereby increasing playability. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is an overall schematic diagram of the utility model.
[0015] Figure 2 This is a cross-sectional view of a claw machine.
[0016] Figure 3This is a schematic diagram of the internal structure of a claw machine.
[0017] Figure 4 for Figure 3 Schematic diagram of part A in .
[0018] Figure 5 This is a top view of the doll's internal structure.
[0019] Figure 6 for Figure 5 Schematic diagram of part B in .
[0020] Figure 7 It is a schematic diagram of the structure of the first clutch device, the second clutch device, and the second clutch device.
[0021] Figure 8 Remove the device diagram for the controller.
[0022] In the figure: 1. Body; 11. Mounting slot; 21. X-axis motor; 22. X-axis movable frame; 23. First drive gear shaft; 24. First rack; 25. X-axis movable slot; 31. Y-axis motor; 32. Y-axis movable frame; 33. Second drive gear shaft; 34. Second rack; 35. Slide; 36; Y-axis movable slot; 41. Z-axis motor; 42. Rotating wheel; 51. First clutch device; 52. Second clutch device; 53. Third clutch device; 54. Fixed gear; 541. First engaging portion; 542. Folding portion; 55. Clutch gear; 56. Clutch spring; 57. Rotating shaft; 6. Dropping mouth; 7 Robotic arm; 8. Controller. DETAILED DESCRIPTION
[0023] The present invention will be further described below with reference to the accompanying drawings. Figures 1-6, a doll machine, comprising a body 1, a robotic arm 7, an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism, the robotic arm 7 may be provided with a grab motor, the X-axis moving mechanism comprising an X-axis moving frame 22, a first rack 24, an X-axis motor 21 and a first driving gear shaft 23 driven by the X-axis motor, a first clutch device 51 is provided between the X-axis motor 21 and the first moving gear 23, the first clutch device 51 is used to disengage the first driving gear shaft 23 from the drive of the X-axis motor 21 when the first driving gear shaft 23 is stuck, to avoid damage to the X-axis motor 21, the first rack 24, the first driving gear shaft 23 or the gear set, etc.; the Y-axis moving mechanism is installed on the X-axis moving frame 22, the Y-axis moving mechanism comprising a Y-axis moving frame 32, a second rack 34, a Y-axis motor 31 and a first driving gear shaft 23 driven by the Y-axis motor The second driving gear shaft 33 driven by the machine 31, a second clutch device 52 is provided between the Y-axis motor 31 and the second driving gear shaft 33, the second clutch device 52 is used to disengage the second moving gear 33 from the drive of the Y-axis motor 31 when the second driving gear shaft 33 is stuck, so as to avoid forced operation to cause damage to the Y-axis motor 31, the second rack 34, the first driving gear shaft 33 or the gear set; the Z-axis moving mechanism includes a Z-axis motor 41 and a rotating wheel 42 driven by the Z-axis motor, the rotating wheel 42 is connected to the robot arm 7 by setting a connecting rope 43, and a third clutch device 53 is provided between the rotating wheel 42 and the Z-axis motor 41, the third clutch device 53 is used to disengage the rotating wheel 42 from the drive of the Z-axis motor 41 when the rotating wheel 42 is stuck, so as to avoid forced operation to damage the Z-axis motor 41, the rotating wheel 42 or the gear set.
[0024] For further reference, Figure 7The first clutch device 51, the second clutch device 52 and the third clutch device 53 are respectively composed of a rotating shaft 57, a fixed gear 54, a clutch gear 55 and a clutch spring 56. The fixed gear 54 is in contact with the clutch gear 55. The fixed gear 54 is provided with a first engaging portion 541 with a concave and convex surface on the side facing the clutch gear 55. The clutch gear 55 is provided with a second engaging portion 551 matching the first engaging portion 541. The first engaging portion 541 is composed of a plurality of circumferential arrays of folded portions 542. Two inclined surfaces are symmetrically provided on the folded portion 542. The fixed gear 54 is fixedly mounted on the rotating shaft 57 and cannot move forward and backward on the rotating shaft 57. The clutch gear 55 is sleeved on the rotating shaft 57 and can move forward and backward along the rotating shaft 57. The clutch gear 55 moves backward along the first inclined surface of the folded portion 541 and disengages from the fixed gear 54, thereby preventing the continuous operation of the motor from damaging the moving mechanism. The second inclined surface of the folded portion 541 is used to enable the second engaging portion 551 to smoothly engage with the first engaging portion 542 when the clutch spring 56 pushes the second engaging portion 551.
[0025] Further, referring to 3-6, the first rack 24 is arranged on the upper part of the body 1, the X-axis motor 21 and the first drive gear shaft 23 are arranged on the X-axis movable frame 22, the first drive gear shaft 23 is engaged with the first rack 24, and a gear set is provided between the X-axis motor 21 and the first drive gear shaft 23. The gear set between the X-axis motor 21 and the first drive gear shaft 23 includes a first clutch device 51, and an X-axis moving groove 26 is provided on the upper part of the body 1. The X-axis movable frame 22 is installed on the X-axis moving groove 25. Specifically, a limiting hook 221 is provided at the bottom of the X-axis movable frame 22 to be locked into the edge of the X-axis moving groove 25.
[0026] For further reference, Figure 3-6The second rack 34 is arranged on the X-axis movable frame 22, the Y-axis motor 31 and the second driving gear shaft 33 are arranged on the Y-axis movable frame 32, the second driving gear shaft 33 is engaged with the second rack 34, a gear set is arranged between the Y-axis motor 31 and the second driving gear shaft 33, the gear set between the Y-axis motor 31 and the second driving gear shaft 33 includes a second clutch device 52, a Y-axis movable groove 36 is provided on the X-axis movable frame 22, and the Y-axis movable frame 22 is installed on the Y-axis movable groove 36. Specifically, a slide groove 35 is provided on the X-axis movable frame 22 on the opposite side of the second rack 34, and a slider is provided at the bottom of the Y-axis movable frame 32 and placed in the slide groove.
[0027] Furthermore, the Z-axis motor 41 and the rotating wheel 42 are mounted on the Y-axis moving frame 32 , and a gear set is provided between the Z-axis motor 41 and the rotating wheel 42 . The gear set between the Z-axis motor 41 and the rotating wheel 42 includes a third clutch device 53 .
[0028] Furthermore, the body is provided with a manipulator 8, a control circuit board and a drop port 6, the robotic arm 7, the X-axis moving mechanism, the Y-axis moving mechanism and the Z-axis moving mechanism are connected to the control circuit board, the manipulator 8 is detachably mounted on the body 1, a battery compartment is provided below the manipulator 8 for powering the manipulator 8, the manipulator 8 is detachably connected to the body 1, the body 1 is provided with a mounting groove 11 matching the contour of the manipulator 8, the manipulator 8 is placed on the mounting groove 11, a wireless signal transmitting device is provided in the manipulator 8, the control circuit board is installed inside the body, a wireless signal receiving device is provided on the control circuit board, the manipulator 8 can be removed from the body 1, and the control signal is transmitted to the control circuit board through the wireless signal transmitting device, thereby remotely controlling the robotic arm 7 to increase playability.
Claims
1. A claw machine, comprising a body, a mechanical arm, an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism, characterized in that The X-axis moving mechanism includes an X-axis moving frame, a first rack, an X-axis motor and a first driving gear shaft driven by the X-axis motor, a first clutch device is provided between the X-axis motor and the first moving gear, the Y-axis moving mechanism is installed on the X-axis moving frame, the Y-axis moving mechanism includes a Y-axis moving frame, a second rack, a Y-axis motor and a second driving gear shaft driven by the Y-axis motor, a second clutch device is provided between the Y-axis motor and the second driving gear shaft, the Z-axis moving mechanism includes a Z-axis motor and a rotating wheel driven by the Z-axis motor, the rotating wheel is connected to the robotic arm by setting a connecting cable, and a third clutch device is provided between the rotating wheel and the Z-axis motor.
2. The claw machine according to claim 1, characterized in that The first clutch device, the second clutch device and the third clutch device are respectively composed of a rotating shaft, a fixed gear, a clutch gear and a clutch spring. The fixed gear is in contact with the clutch gear. The fixed gear is provided with a first engaging portion with a concave and convex surface on the side facing the clutch gear. The clutch gear is provided with a second engaging portion matching the first engaging portion.
3. The claw machine according to claim 2, characterized in that The first engaging portion is composed of a plurality of folds in a circumferential array, and two inclined surfaces are symmetrically arranged on the folds.
4. The claw machine according to claim 3, characterized in that The fixed gear is fixedly mounted on the rotating shaft and cannot move forward and backward on the rotating shaft. The clutch gear is sleeved on the rotating shaft and can move forward and backward along the rotating shaft. The clutch spring is arranged on the rear side of the clutch gear, and the clutch spring pushes the clutch gear to fit with the fixed gear.
5. The claw machine according to claim 4, characterized in that The first rack is arranged on the upper part of the machine body, the X-axis motor and the first driving gear shaft are arranged on the X-axis movable frame, the first driving gear shaft is engaged with the first rack, and a gear set is arranged between the X-axis motor and the first driving gear shaft, and the gear set between the X-axis motor and the first driving gear shaft includes a first clutch device.
6. The claw machine according to claim 4, characterized in that The second rack is arranged on the X-axis movable frame, the Y-axis motor and the second driving gear shaft are arranged on the Y-axis movable frame, the second driving gear shaft is engaged with the second rack, a gear set is arranged between the Y-axis motor and the second driving gear shaft, and the gear set between the Y-axis motor and the second driving gear shaft includes a second clutch device.
7. The claw machine according to claim 4, characterized in that The Z-axis motor and the rotating wheel are installed on the Y-axis moving frame. A gear set is provided between the Z-axis motor and the rotating wheel. The gear set between the Z-axis motor and the rotating wheel includes a third clutch device.
8. The claw machine according to any one of claims 1 to 7, characterized in that The machine body is provided with a controller, a control circuit board and a drop port, and the controller is detachably mounted on the machine body.
9. The claw machine according to claim 8, characterized in that The body is provided with a mounting groove that matches the contour of the manipulator, the manipulator is placed on the mounting groove, the manipulator is detachably connected to the body, a wireless signal transmitting device is provided in the manipulator, the control circuit board is installed inside the body, and a wireless signal receiving device is provided on the control circuit board.