Connecting device for quickly replacing grabbing arm of doll catcher

Abstract

The utility model discloses a connecting device for quickly replacing a grabbing arm of a doll catcher, which relates to the technical field of doll catchers, and particularly comprises a mechanical claw body and a grabbing arm body, a positioning ring is fixed on the surface of the mechanical claw body, a clamping groove is arranged on the side surface of the positioning ring, and a positioning component is arranged on the inner wall of the clamping groove. The corner position of the grabbing arm is rotationally connected with a connecting rod, and the other end of the connecting rod is rotationally connected with the positioning assembly. By arranging the positioning assembly, the inserting groove and the limiting assembly, the positioning assembly positions the clamping block, the clamping block can be directly moved to the position away from the positioning ring when taken down, then after the limiting assembly needs to be moved at the position of the driving block, the inserting block is moved upwards to be away from the inserting groove, and then one grabbing arm can be taken down to be replaced; the effect that the grabbing arm on the mechanical claw is independently replaced so as to reduce the cost is achieved, and the problem that the grabbing arm of an existing doll catcher is generally located on a main body through a locating pin and is difficult to be independently taken down and replaced is solved.

Description

Technical Field

[0001] The utility model relates to a claw machine, in particular to a fast-changing claw machine grabbing arm connecting device. Background Art

[0002] A claw machine is an entertainment game device that has dolls and other gifts built in, and then a controllable mechanical gripper is set. The player controls the mechanical gripper to grab the dolls or other gifts inside the claw machine. The grabbed dolls or gifts are their own, so it also attracts many players to play the game. The mechanical gripper inside the existing claw machine generally has three grabbing arms, and the three grabbing arms are generally positioned on the main body by positioning pins. In this way, if a grabbing arm is damaged or cannot be used, the entire grabbing arm needs to be replaced, which invisibly increases a lot of costs and causes waste. Summary of the invention

[0003] The utility model aims to solve the problem that the grabbing arms of the existing claw machine are generally positioned on the main body by positioning pins and are difficult to be removed and replaced separately.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A quick-change claw machine grabbing arm connecting device comprises a mechanical claw body and a grabbing arm body, a positioning ring is fixed on the surface of the mechanical claw body, a slot is arranged on the side of the positioning ring, a positioning assembly is arranged on the inner wall of the slot, a connecting rod is rotatably connected to the corner position of the grabbing arm, the other end of the connecting rod is rotatably connected to the positioning assembly, an electric control telescopic rod is fixed to the bottom of the positioning ring, a driving block is fixed to the output shaft end face of the electric control telescopic rod, a plug-in slot is provided at the top of the driving block near the outside, a plug-in block is plugged into the inside of the plug-in slot, the side of the plug-in block is rotatably connected to the end face of the grabbing arm, a limiting assembly is arranged at the top of the driving block corresponding to the position of the plug-in slot, one end of the limiting assembly extends to the inside of the plug-in slot and is stuck at the top of the plug-in block.

[0006] Preferably: the positioning assembly includes a positioning groove, a first spring and a first docking block are movably arranged inside the positioning groove, a clamping block is clamped inside the clamping groove, a docking groove is provided on the surface of the clamping block at a position corresponding to the first docking block, one end of the first spring is movably connected to one side of the first docking block, and the other end of the first docking block extends out of the positioning groove and is movably clamped to the docking groove.

[0007] Preferably, the number of the positioning components is two groups, and the two groups of positioning components are axially symmetrically arranged with the horizontal symmetry axis of the clamping block as the symmetry axis.

[0008] Preferably: the limit assembly includes a movable groove, which is connected to the plug-in groove, and the limit block and the second spring are movable inside the movable groove respectively, one end of the limit block extends to the inside of the plug-in groove and is stuck on the top of the plug-in block, and the other end of the limit block is movably connected to one end of the second spring, and a push-pull block is movably provided on the upper surface of the driving block, and the bottom end of the push-pull block is fixedly connected to the top of the plug-in block.

[0009] Preferably, the top of the push-pull block is provided with anti-slip grooves.

[0010] Preferably, the top of the limit block is arranged in an arc shape.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] By setting a positioning component, a plug-in slot and a limit component, the positioning component positions the card block. If it is removed, it can be directly moved to a position away from the positioning ring. Then, after the limit component needs to be moved to the position of the driving block, the plug-in block is moved upward to move it away from the plug-in slot, and then a grabbing arm can be removed for replacement, thereby achieving the effect of reducing costs by replacing the grabbing arm on the mechanical claw separately, and solving the problem that the grabbing arm of the existing claw machine is generally positioned on the main body by a positioning pin and is difficult to be removed and replaced separately. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the front cross-sectional structure of the positions of the positioning component and the limiting component in a connection device for quickly changing the grabbing arm of a claw machine.

[0014] Figure 2 A quick-change claw machine grabbing arm connection device Figure 1 Schematic diagram of the structure at A in the middle.

[0015] Figure 3 A quick-change claw machine grabbing arm connection device Figure 1 Schematic diagram of the structure at B in the figure.

[0016] Figure 4 It is a partial three-dimensional structural schematic diagram of a driving block position in a connection device for quickly changing a claw machine grabbing arm.

[0017] As shown in the figure: 1. Mechanical claw body; 2. Grasping arm body; 3. Positioning ring; 4. Card slot; 5. Positioning assembly; 6. Connecting rod; 7. Electric telescopic rod; 8. Driving block; 9. Plug-in slot; 10. Plug-in block; 11. Limiting assembly; 12. Positioning slot; 13. First spring; 14. First docking block; 15. Card block; 16. Docking slot; 17. Movable slot; 18. Limiting block; 19. Second spring; 20. Push-pull block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] See also Figures 1 to 4 In the embodiment of the utility model, a quick-change claw machine grabbing arm connecting device includes a mechanical claw body 1 and a grabbing arm body 2, a positioning ring 3 is fixed on the surface of the mechanical claw body 1, a card slot 4 is arranged on the side of the positioning ring 3, a positioning assembly 5 is arranged on the inner wall of the card slot 4, a connecting rod 6 is rotatably connected to the corner position of the grabbing arm, and the other end of the connecting rod 6 is rotatably connected to the positioning assembly 5, the positioning assembly 5 includes a positioning groove 12, a first spring 13 and a first docking block 14 are respectively movable inside the positioning groove 12, a card block 15 is clamped inside the card slot 4, a docking groove 16 is opened on the surface of the card block 15 corresponding to the position of the first docking block 14, one end of the first spring 13 is movable with one side of the first docking block 14 The first butt joint 14 is connected to the second butt joint 16 by a movable connection, and the other end of the first butt joint 14 extends out of the positioning groove 12 and is movably connected to the butt joint 16. There are two groups of positioning components 5. The two groups of positioning components 5 are axially symmetrical with the horizontal axis of symmetry of the block 15 as the axis of symmetry. The two groups of settings can make the block 15 stable under force. When removing this position, first move the connecting rod 6 so that the connecting rod 6 drives the horizontal position of the block 15 to move away from the positioning ring 3 until the block 15 is removed from the first butt joint 14 and the inside of the butt joint 16. In this way, the position can be removed. When installing, you only need to perform the above-mentioned reverse operation. It should be noted that the first butt joint 14 is a hemispherical block, which is convenient for connecting and separating with the block 15.

[0020] An electric-controlled telescopic rod 7 is fixed to the bottom of the positioning ring 3, which is a component on the existing mechanical gripper and is not described in detail here. A driving block 8 is fixed to the end face of the output shaft of the electric-controlled telescopic rod 7, which is used to drive the grabbing arm to move. In order to facilitate the grabbing arm to be quickly removed from the driving block 8, a plug-in slot 9 is opened at the top of the driving block 8 near the outside, and a plug-in block 10 is plugged into the inside of the plug-in slot 9. The plug-in block 10 moves inside the plug-in slot 9. The plug-in block 10 is vertically inserted from the top of the plug-in slot 9 to the inside of the plug-in slot 9. The side of the plug-in block 10 is rotatably connected to the end face of the grabbing arm. A limiting component 11 is set at the top of the driving block 8 corresponding to the position of the plug-in slot 9. One end of the limiting component 11 extends to the inside of the plug-in slot 9 and is stuck in the top of the plug-in block 10. The limiting component 11 includes a movable slot 17, and the movable slot 17 is connected to the plug-in slot 9. The inside of the movable groove 17 is respectively movable with a limit block 18 and a second spring 19. One end of the limit block 18 extends to the inside of the plug-in slot 9 and is stuck in the top of the plug-in block 10. The top of the limit block 18 is set to an arc shape, so that the limit block 18 will be automatically squeezed open when the plug-in block 10 is plugged in, which is convenient for automatic clamping. The other end of the limit block 18 is movably connected to one end of the second spring 19. A push-pull block 20 is movably provided on the upper surface of the driving block 8. The bottom end of the push-pull block 20 is fixedly connected to the top of the plug-in block 10. The top of the push-pull block 20 is provided with anti-slip grooves to enhance the anti-slip performance. When this position is removed, the push-pull block 20 is moved, and then the limit block 18 is driven away from the plug-in slot 9 by the push-pull block 20, and then the plug-in block 10 is moved upward to separate it from the plug-in slot 9, so that the grabbing arm can be easily removed, and a single grabbing arm can be replaced conveniently.

Claims

1. A quick-change claw machine grabbing arm connection device, comprising a mechanical claw body (1) and a grabbing arm body (2), characterized in that: A positioning ring (3) is fixed on the surface of the mechanical claw body (1), a slot (4) is provided on the side of the positioning ring (3), a positioning assembly (5) is provided on the inner wall of the slot (4), a connecting rod (6) is rotatably connected to the corner position of the grabbing arm, the other end of the connecting rod (6) is rotatably connected to the positioning assembly (5), an electric control telescopic rod (7) is fixed to the bottom of the positioning ring (3), a driving block (8) is fixed to the output shaft end face of the electric control telescopic rod (7), a plug-in slot (9) is provided at the top of the driving block (8) near the outside, a plug-in block (10) is plugged into the inside of the plug-in slot (9), the side of the plug-in block (10) is rotatably connected to the end face of the grabbing arm, a limiting assembly (11) is provided at the top of the driving block (8) corresponding to the position of the plug-in slot (9), one end of the limiting assembly (11) extends into the inside of the plug-in slot (9) and is clamped at the top of the plug-in block (10).

2. A quick-change claw machine grabbing arm connection device according to claim 1, characterized in that: The positioning assembly (5) comprises a positioning groove (12), a first spring (13) and a first docking block (14) are movably disposed inside the positioning groove (12), a clamping block (15) is clamped inside the clamping groove (4), a docking groove (16) is provided on the surface of the clamping block (15) at a position corresponding to the first docking block (14), one end of the first spring (13) is movably connected to one side of the first docking block (14), and the other end of the first docking block (14) extends out of the positioning groove (12) and is movably clamped to the docking groove (16).

3. A quick-change claw machine grabbing arm connection device according to claim 2, characterized in that: The number of the positioning components (5) is two groups, and the two groups of positioning components (5) and the clamping block (15) are arranged axially symmetrically with their horizontal symmetry axes being the symmetry axes.

4. A quick-change claw machine grabbing arm connection device according to claim 1, characterized in that: The limit assembly (11) comprises a movable groove (17), the movable groove (17) is communicated with the plug-in groove (9), a limit block (18) and a second spring (19) are respectively movable inside the movable groove (17), one end of the limit block (18) extends into the inside of the plug-in groove (9) and is clamped on the top of the plug-in block (10), and the other end of the limit block (18) is movably connected to one end of the second spring (19), and a push-pull block (20) is movably provided on the upper surface of the driving block (8), and the bottom end of the push-pull block (20) is fixedly connected to the top of the plug-in block (10).

5. A quick-change claw machine grabbing arm connection device according to claim 4, characterized in that: The top of the push-pull block (20) is provided with anti-slip grooves.

6. A quick-change claw machine grabbing arm connection device according to claim 5, characterized in that: The top of the limiting block (18) is arranged in an arc shape.

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