Clamping jaw displacement mechanism and doll machine

Abstract

The utility model relates to the field of doll machines, and discloses a clamping jaw displacement mechanism and a doll machine, and the clamping jaw displacement mechanism is used for adjusting the position of a clamping jaw of the doll machine. The clamping jaw displacement mechanism comprises a moving frame, a walking assembly, an arc-shaped hanging rail and a clamping jaw assembly. The walking assembly comprises a walking driving source and walking wheels, and the walking driving source is arranged on the moving frame; the walking wheels are in driving connection with the walking driving source; the arc-shaped hanging rail is in an arc-shaped travel path, the traveling wheels are arranged on the arc-shaped hanging rail in a rolling mode, and the traveling assembly can do arc-shaped displacement motion along the arc-shaped hanging rail. The clamping jaw assembly is arranged on the moving frame and comprises clamping jaws used for grabbing dolls. Through driving of a walking driving source, the walking assembly drives the moving frame to do arc-shaped displacement motion along the arc-shaped hanging rail, then the position of the clamping jaw assembly is driven to be adjusted, translation of a clamping jaw in the X direction and the Y direction is achieved without cooperation of an X-direction linear motor and a Y-direction linear motor, the structure is simple, and the integration degree is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to doll machine technical field, especially a kind of gripper displacement mechanism and doll machine. BACKGROUND

[0002] Doll machine, also known as doll clamping machine or doll grabbing machine, is a common entertainment device, widely distributed in shopping malls, cinemas, amusement parks and other places with dense flow.

[0003] The structure of doll machine mainly includes rack, operation panel, claw mechanism, doll storage area, etc. Dolls and other items are neatly placed in the doll storage area, waiting to be grabbed by players. The claw mechanism is the core component of the doll machine, which is usually driven by a motor, and the opening and movement of the claw can be adjusted through the control button to grab the dolls and other items. Specifically, the movement of the claw is usually realized through the gripper displacement mechanism. Control buttons and display screens are provided on the operation panel, and users control the action of the claw through the buttons.

[0004] The existing gripper displacement mechanism is mostly a linear displacement device, that is, the gripper is translated along the XY direction mainly through the cooperation of X-direction linear motor and Y-direction linear motor, which has complex structure and low integration. UTILITY MODEL CONTENT

[0005] Therefore, it is necessary to provide a gripper displacement mechanism and doll machine aiming at the existing problems, to provide a gripper displacement mechanism that changes the movement mode of the claw, with simple structure and high integration.

[0006] The first aspect of the present application provides a gripper displacement mechanism, which comprises:

[0007] A moving frame;

[0008] A walking assembly comprising a walking driving source and a walking wheel, wherein the walking driving source is arranged on the moving frame, and the walking wheel is drivingly connected with the walking driving source;

[0009] An arc-shaped hanging rail in circular arc path, wherein the walking wheel is rollably arranged on the arc-shaped hanging rail, and the walking assembly can move in circular arc path along the arc-shaped hanging rail;

[0010] A gripper assembly arranged on the moving frame, wherein the gripper assembly comprises a gripper for grabbing dolls.

[0011] In some embodiments, the arc-shaped hanging rail and the walking wheel are a gear and rack meshing structure.

[0012] In some embodiments, the arc-shaped hanging rail comprises:

[0013] A rack portion extending in circular arc path, wherein the walking wheel is meshed with the rack portion.

[0014] A derailment prevention portion is arranged on at least one side of the rack portion in the thickness direction of the rack portion, and is in limited contact with the walking wheel to limit the walking wheel from sliding and derailing relative to the rack portion in at least one side of the thickness direction of the rack portion.

[0015] In some embodiments, the jaw displacement mechanism further comprises:

[0016] A bearing frame, and the arc-shaped hanging rail is arranged on the bearing frame;

[0017] The bearing frame is provided with a clearance space for avoiding the movement of the moving frame, the walking assembly and the jaw assembly.

[0018] In some embodiments, the jaw displacement mechanism further comprises:

[0019] A support column is arranged on the bearing frame, and the support column has a support end extending to the center of the circular arc-shaped path, and the moving frame is rotatably connected to the support end.

[0020] In some embodiments, the circular arc-shaped path is a 360°-encircling circular path; or

[0021] The circular arc-shaped path is an open-loop arc-shaped path less than 360°-encircling.

[0022] In some embodiments, the walking assembly further comprises:

[0023] A worm is fixed to the output shaft of the walking driving source;

[0024] A first gear is rotatably arranged on the moving frame, and the first gear is in transmission engagement with the worm;

[0025] A clutch gear set comprises a first clutch gear and a second clutch gear rotatably arranged on the moving frame, the first clutch gear comprises a first side tooth portion and a first end tooth portion, the second clutch gear comprises a second side tooth portion and a second end tooth portion, the first side tooth portion is in engagement with the first gear, and the first clutch gear can move coaxially relative to the second clutch gear to enable the first end tooth portion and the second end tooth portion to be in transmission cooperation in a clutchable manner.

[0026] A third gear is rotatably arranged on the moving frame, the third gear is in engagement with the second side tooth portion, and the third gear is coaxially connected with the walking wheel.

[0027] In some embodiments, the first clutch gear is rotatably sleeved on the rotation shaft of the second clutch gear, and the clutch gear set further comprises:

[0028] A reset spring, one end of which is connected to the first clutch gear, and the other end of which is connected to the rotating shaft, drives the first end face tooth part and the second end face tooth part to engage through elastic force.

[0029] In some embodiments, the jaw displacement mechanism further comprises:

[0030] A lifting driving source arranged on the moving frame;

[0031] A reel assembly rotatably arranged on the moving frame;

[0032] A lifting wire, one end of which is connected to the reel assembly, and the other end of which is connected to the jaw, the lifting driving source being configured to drive the reel assembly to rotate in forward and reverse directions to wind and unwind the lifting wire.

[0033] The second aspect of the present application provides a doll machine, which comprises a machine frame and the jaw displacement mechanism provided by any of the above-mentioned embodiments, and the jaw displacement mechanism is arranged on the machine frame.

[0034] The doll machine has the following beneficial effects:

[0035] The jaw displacement mechanism of the doll machine is different from the traditional jaw displacement mechanism. The jaw displacement mechanism comprises a moving frame, a walking assembly and an arc-shaped hanging rail. The walking assembly comprises a walking driving source and a walking wheel, the walking driving source is arranged on the moving frame, the walking wheel is drivingly connected with the walking driving source, the arc-shaped hanging rail is in a circular arc shape, the walking wheel is rollably arranged on the arc-shaped hanging rail, and the walking assembly can make a circular arc displacement movement along the arc-shaped hanging rail. Therefore, the moving frame is driven to make a circular arc displacement movement along the arc-shaped hanging rail by the driving of the walking driving source, and the position of the adjusting jaw assembly is driven. The jaw displacement mechanism does not need to be matched with an X-direction linear motor and a Y-direction linear motor to realize the translation of the jaw along the XY direction. The structure is simple, and the integration degree is high. BRIEF DESCRIPTION OF DRAWINGS

[0036] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only one embodiment of the present application, and those skilled in the art can obtain the drawings of other embodiments according to these drawings without creating any creative labor.

[0037] Figure 1 A three-dimensional schematic view of a jaw displacement mechanism provided by the embodiments of the present application Figure 1 ;

[0038] Figure 2A perspective view of a jaw displacement mechanism according to an embodiment of the present application Figure 2 ;

[0039] Figure 3 A split view of a jaw displacement mechanism according to an embodiment of the present application

[0040] Figure 4 A partially split view of a moving frame, a walking assembly, and a jaw assembly according to an embodiment of the present application

[0041] Figure 5 A view of a walking assembly and a jaw assembly according to an embodiment of the present application

[0042] Figure 6 A view of a moving frame, a walking assembly, and a jaw assembly according to an embodiment of the present application

[0043] Figure 7 A view of a jaw displacement mechanism according to an embodiment of the present application, with the bottom cover of the moving frame hidden, viewed from below

[0044] Figure 8 A view of a jaw displacement mechanism according to an embodiment of the present application, with the top cover of the moving frame hidden, viewed from above

[0045] Reference Signs:

[0046] 100, moving frame

[0047] 200, walking assembly; 210, walking drive source; 220, walking wheel; 230, worm; 240, first gear; 260, clutch gear set; 261, first clutch gear; 2611, first side tooth portion; 2612, first end tooth portion; 262, second clutch gear; 2621, second side tooth portion; 2622, second end tooth portion; 270, third gear

[0048] 300, arc-shaped hanging rail; 310, rack portion; 320, derailment prevention portion

[0049] 400, jaw assembly; 420, lifting drive source; 430, reel assembly

[0050] 500, bearing frame; 510, avoiding space

[0051] 600, support column DETAILED DESCRIPTION

[0052] In order to make the above object, characteristics and advantages of the present application more apparent, concrete embodiments of the present application will be described in detail with reference to the drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different manners without departing from the spirit of the present application. Those skilled in the art will appreciate the scope of the present application and can make similar modifications without departing from the spirit of the present application. Therefore, the present application is not limited by the embodiments disclosed below.

[0053] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0054] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0055] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0056] In the utility model, unless another definite provision and limitation, the feature is on the second feature "on" or "under" can be and the second feature direct contact, or and the second feature through the indirect contact of intermediate medium. Moreover, the feature is on the second feature "on", "above" and "on" can be the feature is on the second feature directly above or obliquely above, or just indicate that the feature horizontal height is higher than the second feature. The feature is on the second feature "under", "below" and "under" can be the feature is on the second feature directly below or obliquely below, or just indicate that the feature horizontal height is less than the second feature.

[0057] It is to be understood that when an element such as a layer, region or substrate is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or intervening elements can be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present. It will be understood that, when a member is referred to as being "coupled" or "connected" to another member, it can be directly coupled or connected to the other member or intervening members can be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0058] Reference Figures 1-3 The embodiment of the application provides a gripper displacement mechanism for adjusting the position of a doll machine. The gripper displacement mechanism comprises a moving frame 100, a walking assembly 200, an arc-shaped hanging rail 300 and a gripper assembly 400. The walking assembly 200 comprises a walking driving source 210 and a walking wheel 220, the walking driving source 210 is arranged on the moving frame 100, the walking wheel 220 is in driving connection with the walking driving source 210, the arc-shaped hanging rail 300 is in circular arc shape, the walking wheel 220 is rollably arranged on the arc-shaped hanging rail 300, and the walking assembly 200 can move in circular arc shape along the arc-shaped hanging rail 300, the gripper assembly 400 is arranged on the moving frame 100, and the gripper assembly 400 comprises a gripper for grabbing a doll. The gripper is not shown in the figure.

[0059] In the embodiment of the application, the walking wheel 220 is in driving connection with the walking driving source 210, the arc-shaped hanging rail 300 is in circular arc shape, the walking wheel 220 is rollably arranged on the arc-shaped hanging rail 300, and the walking assembly 200 can move in circular arc shape along the arc-shaped hanging rail 300, so that the walking driving source 210 drives the walking assembly 200 to drive the moving frame 100 to move in circular arc shape along the arc-shaped hanging rail 300, and the position of the gripper assembly 400 is synchronously driven, which does not need to be driven by the X-direction linear motor and the Y-direction linear motor to realize the translation of the gripper along the XY direction, so that the structure is simple and the integration degree is high.

[0060] Reference Figures 2-3 In some embodiments, the arc-shaped hanging rail 300 and the walking wheel 220 are in gear and rack engagement structure, can effectively reduce the slip, and walking is more stable and reliable.

[0061] Referring to Figure 3 In some embodiments, the arc-shaped hanging rail 300 comprises a rack portion 310 and a derailment prevention portion 320. The rack portion 310 extends in a circular arc path, and the walking wheel 220 is engaged with the rack portion 310. The derailment prevention portion 320 is arranged on at least one side of the thickness direction of the rack portion 310, and the derailment prevention portion 320 is in limiting contact with the walking wheel 220 to limit the walking wheel 220 from sliding off at least one side of the thickness direction of the rack portion 310 relative to the rack portion 310, thereby facilitating the walking wheel 220 to always remain engaged with the rack portion 310 without derailing.

[0062] Referring to Figures 2-3 In some embodiments, the jaw displacement mechanism further comprises a bearing frame 500, and the arc-shaped hanging rail 300 is arranged on the bearing frame 500. The bearing frame 500 is provided with a clearance space 510 for avoiding the movement frame 100, the walking assembly 200 and the jaw assembly 400, thereby providing support bearing on one hand and not affecting the movement of the movement frame 100, the walking assembly 200 and the jaw assembly 400 on the other hand.

[0063] Referring to Figures 2-3 In some embodiments, the jaw displacement mechanism further comprises a support column 600. The support column 600 is arranged on the bearing frame 500, and the support column 600 has a support end extending to the center of the circular arc path. The movement frame 100 is rotatably connected with the support end, and the support column 600 further supports the movement frame 100, so that the movement of the movement frame 100 is more stable and reliable.

[0064] In an embodiment, the arc-shaped hanging rail 300, the bearing frame 500 and the support column 600 are integrally formed, which can reduce the number of parts and simplify the process.

[0065] In some embodiments, the circular arc path is an open-loop arc path less than 360° around. Specifically, in some embodiments, it can be 270° or 300°, etc.

[0066] Of course, in some embodiments, the circular arc path is a circular path of 360° around, thereby realizing 360° around movement displacement and adjusting the position of the jaw. The implementation scheme can be that the support column 600 is designed to avoid, i.e., one end of the support column 600 can be connected and fixed on the bearing frame 500 and located outside the circle formed by the arc-shaped hanging rail 300, and the support end of the support column 600 can be suspended at the center position of the circle formed by the arc-shaped hanging rail 300.

[0067] In addition, in some embodiments of the present application, referring to Figures 3-6, the moving frame 100 can be composed of a top cover, a bottom cover and an intermediate carrier plate (not shown in the figure), the walking assembly 200 and the clamping jaw assembly 400 are arranged on the intermediate carrier plate, the top cover is arranged on the top of the intermediate carrier plate, and the bottom cover is arranged on the bottom of the intermediate carrier plate. Figure 7 The cooperation relationship between the structure is shown when the clamping jaw displacement mechanism hides the bottom cover of the moving frame 100. Figure 8 The cooperation relationship between the structure is shown when the clamping jaw displacement mechanism hides the top cover of the moving frame 100.

[0068] In some embodiments, referring to Figures 3-6 The walking assembly 200 further comprises a worm 230, a first gear 240, a clutch gear set 260 and a third gear 270. The worm 230 is fixed to the output shaft of the walking driving source 210; the first gear 240 is rotatably arranged on the moving frame 100, and the first gear 240 is in transmission engagement with the worm 230; the clutch gear set 260 comprises a first clutch gear 261 and a second clutch gear 262 rotatably arranged on the moving frame 100, the first clutch gear 261 comprises a first side tooth portion 2611 and a first end tooth portion 2612, the second clutch gear 262 comprises a second side tooth portion 2621 and a second end tooth portion 2622, the first side tooth portion 2611 is in engagement with the first gear 240, and the first clutch gear 261 can move coaxially relative to the second clutch gear 262 to enable the first end tooth portion 2612 and the second end tooth portion 2622 to be in clutchable transmission cooperation; the third gear 270 is rotatably arranged on the moving frame 100, the third gear 270 is in engagement with the second side tooth portion 2621, and the third gear 270 is coaxially connected with the walking wheel 220. The clutch gear set 260 realizes overload protection, when the walking is stuck, the transmission of the first end tooth portion 2612 and the second end tooth portion 2622 fails, that is, the over-torque is separated, thereby protecting the walking driving source 210. On the other hand, the combination structure of worm transmission and gear transmission can have a larger output torque, and the transmission structure is stable and reliable.

[0069] In some embodiments, referring to Figures 3-5 The first clutch gear 261 is rotatably sleeved on the rotating shaft of the second clutch gear 262, and the clutch gear set 260 further comprises a return spring (not shown in the figure). One end of the return spring is connected with the first clutch gear 261, the other end of the return spring is connected with the rotating shaft, the return spring drives the first end tooth portion 2612 and the second end tooth portion 2622 to be in engagement through the elastic force, thereby improving the engagement force through the return spring, and realizing the clutchable transmission cooperation of the first end tooth portion 2612 and the second end tooth portion 2622.

[0070] In some embodiments, referring to Figure 5The clamping jaw displacement mechanism 400 further comprises a lifting driving source 420, a reel assembly 430, and a lifting wire. The lifting driving source 420 is arranged on the moving frame 100, the reel assembly 430 is rotatably arranged on the moving frame 100, one end of the lifting wire is connected to the reel assembly 430, and the other end of the lifting wire is connected to the clamping jaw. The lifting driving source 420 is configured to drive the reel assembly 430 to rotate in the forward and reverse directions to wind and unwind the lifting wire. Specifically, the lifting driving source 420 and the walking driving source 210 can each be a rotating motor. The reel assembly 430 can adopt an existing structure and will not be described in detail. The lifting wire is not shown in the figure.

[0071] Of course, the transmission between the lifting driving source 420 and the reel assembly 430 can also adopt the combination transmission structure of the worm transmission and the gear transmission between the walking driving source 210 and the walking wheel 220 in the walking assembly 200, and the number of gears used can be selected according to actual needs, and will not be described in detail.

[0072] The second aspect of the present application provides a doll machine, which comprises a frame and the clamping jaw displacement mechanism provided by any of the above embodiments, and the clamping jaw displacement mechanism is arranged on the frame.

[0073] Finally, it should be noted that the technical features of the above embodiments can be combined in any manner. In order to make the description concise, all possible combinations of the technical features in the above embodiments are not described, but as long as the combination of the technical features does not exist, it should be considered as the scope of the description.

[0074] The above-described embodiments only express one of the embodiments of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A gripper displacement mechanism, characterized in that, include: Mobile rack (100); The walking assembly (200) includes a walking drive source (210) and walking wheels (220), wherein the walking drive source (210) is disposed on the mobile frame (100); and the walking wheels (220) are drivenly connected to the walking drive source (210). The arc-shaped hanging rail (300) has an arc-shaped path, the walking wheel (220) is rotatably mounted on the arc-shaped hanging rail (300), and the walking component (200) can make arc-shaped displacement movements along the arc-shaped hanging rail (300); A gripper assembly (400) is disposed on the movable frame (100), the gripper assembly (400) including grippers for grasping the doll.

2. The gripper displacement mechanism according to claim 1, characterized in that, The arc-shaped hanging rail (300) and the traveling wheel (220) are gear and rack meshing structures.

3. The gripper displacement mechanism according to claim 2, characterized in that, The arc-shaped hanging rail (300) includes: The rack portion (310) extends in an arc shape, and the traveling wheel (220) meshes with the rack portion (310); An anti-derailment part (320) is provided on at least one side of the rack part (310) in the thickness direction. The anti-derailment part (320) makes limiting contact with the traveling wheel (220) to restrict the traveling wheel (220) from sliding off the rack part (310) relative to the rack part (310) along at least one side of the thickness direction of the rack part (310).

4. The gripper displacement mechanism according to claim 1, characterized in that, Also includes: A support frame (500), wherein the arc-shaped hanging rail (300) is disposed on the support frame (500); The support frame (500) is provided with a clearance space (510), which is used to avoid the moving frame (100), the walking component (200) and the gripper component (400).

5. The gripper displacement mechanism according to claim 4, characterized in that, Also includes: A support column (600) is disposed on the support frame (500), the support column (600) having a support end extending to the center of the arc-shaped path, and the movable frame (100) is rotatably connected to the support end.

6. The gripper displacement mechanism according to any one of claims 1-5, characterized in that, The arc-shaped path is a 360° circular path; or, The arc-shaped path is an open-loop arc-shaped path with a rotation of less than 360°.

7. The gripper displacement mechanism according to any one of claims 1-5, characterized in that, The walking assembly (200) also includes: The worm gear (230) is fixed to the output shaft of the walking drive source (210); A first gear (240) is rotatably mounted on the movable frame (100), and the first gear (240) meshes with the worm gear (230). The clutch gear set (260) includes a first clutch gear (261) and a second clutch gear (262) rotatably disposed on the movable frame (100). The first clutch gear (261) includes a first side tooth portion (2611) and a first end face tooth portion (2612). The second clutch gear (262) includes a second side tooth portion (2621) and a second end face tooth portion (2622). The first side tooth portion (2611) meshes with the first gear (240). The first clutch gear (261) can move coaxially relative to the second clutch gear (262) so that the first end face tooth portion (2612) and the second end face tooth portion (2622) can engage and disengage in a transmission engagement. The third gear (270) is rotatably mounted on the movable frame (100). The third gear (270) meshes with the second side tooth (2621). The third gear (270) is also coaxially connected to the walking wheel (220).

8. The gripper displacement mechanism according to claim 7, characterized in that, The first clutch gear (261) is rotatably mounted on the rotating shaft of the second clutch gear (262), and the clutch gear set (260) further includes: A return spring, one end of which is connected to the first clutch gear (261) and the other end of which is connected to the rotating shaft, the return spring drives the first end face tooth (2612) to mesh with the second end face tooth (2622) through elastic force.

9. The gripper displacement mechanism according to claim 1, characterized in that, The gripper assembly (400) further includes: A lifting drive source (420) is disposed on the movable frame (100); A reel assembly (430) is rotatably mounted on the movable frame (100); A lifting cable, one end of which is connected to the reel assembly (430) and the other end of which is connected to the gripper, wherein the lifting drive source (420) is configured to drive the reel assembly (430) to rotate in both directions to wind up and unwind the lifting cable.

10. A claw machine, characterized in that, It includes a frame and a gripper displacement mechanism as described in any one of claims 1-9, wherein the gripper displacement mechanism is disposed on the frame.

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