Pouring paw structure

Abstract

The utility model discloses a pouring paw structure which comprises a base, a rotating piece is arranged on the base in a rotating mode, a clamping assembly and a holding and clamping assembly are arranged on the lower portion of the rotating piece respectively, and a rotating assembly, a first driving assembly and a second driving assembly are arranged on the base. The rotating assembly is used for driving the rotating piece to rotate relative to the base, and the second driving assembly is used for driving the holding and clamping assembly to hold and clamp a workpiece; the first driving assembly comprises clamping jaws arranged in a bilateral symmetry mode, the clamping jaws are rotationally arranged on the rotating piece, a moving piece capable of moving up and down relative to the rotating piece is arranged on the rotating piece, and guiding inclined grooves are formed in the moving piece in a bilateral symmetry mode. The clamping jaw is provided with a guide piece used for being movably inserted into the guide inclined groove. The first driving assembly is used for driving the moving part to move up and down relative to the rotating part.

Description

Technical Field

[0001] The utility model relates to a casting hand claw structure. Background Art

[0002] Prior art, such as Chinese utility model patent document, publication number CN213651121 U, discloses a clamping device with a clamping function, which relates to the technical field of clamping devices. A rotating mechanism is arranged on one side of the clamping mechanism, and the clamping mechanism is driven to rotate by the mutual engagement between the first rotating gear, the second rotating gear and the third rotating gear. The clamping mechanism is fixedly installed below the same side as the rotating mechanism, and the clamping assembly is driven to move by the clamping motor in the clamping mechanism.

[0003] The clamping mechanism includes: a clamping motor, a clamping connecting shaft, a clamping power transmission mechanism and a clamping assembly. The output end of the clamping motor is connected to the clamping rotating shaft in the clamping power transmission mechanism through the clamping connecting shaft. The clamping assembly is arranged at the lower end of the clamping power transmission mechanism.

[0004] Furthermore, the clamping assembly includes: a clamping gear, a first rack, a second rack, a first clamping jaw and a second clamping jaw, the clamping gear is arranged at the bottom of the clamping rotating shaft, the first rack and the second rack are symmetrically arranged on both sides of the clamping gear, and mesh with the clamping gear, the first clamping jaw is fixedly mounted on the lower end of the first rack through a connecting plate, and the second clamping jaw is fixedly mounted on the lower end of the second rack on the same side as the first clamping jaw through a connecting plate

[0005] Based on the above, in the prior art, the first clamping jaw and the second clamping jaw realize clamping transmission under the cooperation of the clamping gear and the first rack and the second rack. The problem with this gear and rack meshing transmission structure is that there are many parts and during assembly, the meshing relationship between the gear and the rack needs to be adjusted in sequence, and the assembly efficiency is low, which needs further improvement. Utility Model Content

[0006] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a casting gripper structure with a more optimized transmission structure of a clamping assembly and a reduced number of parts.

[0007] A casting gripper structure designed for this purpose comprises a base, a rotating member is rotatably arranged on the base, a clamping assembly and a clamping assembly are respectively arranged at the lower part of the rotating member, a rotating assembly, a first driving assembly and a second driving assembly are arranged on the base, the rotating assembly is used to drive the rotating member to rotate relative to the base, and the second driving assembly is used to drive the clamping assembly to clamp the workpiece;

[0008] The first driving assembly comprises a clamping jaw symmetrically arranged on the left and right sides, the clamping jaw is rotatably arranged on the rotating member, the rotating member is provided with a moving member that can move up and down relative to the rotating member, the moving member is symmetrically arranged with a guide inclined groove on the left and right sides, and the clamping jaw is provided with a guide member for movably plugging into the guide inclined groove;

[0009] The first driving assembly is used to drive the movable member to move up and down relative to the rotating member.

[0010] Preferably, the first driving assembly comprises a first movable seat that can be moved up and down relative to the base, a first rotating seat is rotatably arranged on the first movable seat, and the rotation axis of the first rotating seat and the rotation axis of the rotating member are coaxially arranged with each other;

[0011] The rotating member is hollow inside and has an opening at the upper end. A first linkage rod is arranged inside the rotating member and can move up and down relative to the rotating member. One end of the first linkage rod is fixedly connected to the moving member, and the other end is fixedly connected to the first rotating seat.

[0012] The base is provided with a first linear driving element for driving the first movable base to move up and down relative to the base.

[0013] Preferably, a first connecting sleeve is provided on the first rotating seat, and the first linkage rod is fixedly connected to the first connecting sleeve.

[0014] Preferably, the clamping assembly comprises a first connecting arm hinged at one end to the rotating member, a clamping rod hinged at the other end of the first connecting arm, a driving arm hinged on the clamping rod, and the driving arm is rotatably connected to the rotating member;

[0015] The rotating member is provided with a slider which can move up and down relative to the rotating member, the driving arm is provided with a driven slide groove, and the slider is provided with a driving member which is movably inserted in the driven slide groove;

[0016] The second driving assembly is used to drive the sliding block to move up and down relative to the rotating member.

[0017] Preferably, the second driving assembly comprises a second movable seat which can be moved up and down relative to the base, a second rotating seat is rotatably arranged on the second movable seat, and the rotating axis of the second rotating seat and the rotating axis of the rotating member are coaxially arranged;

[0018] The rotating member is hollow inside and has an opening at the upper end. A second linkage rod is arranged inside the rotating member and can move up and down relative to the rotating member. One end of the second linkage rod is fixedly connected to the slider, and the other end is fixedly connected to the second rotating seat.

[0019] The base is provided with a second linear driving element for driving the second movable base to move up and down relative to the base.

[0020] Preferably, a second connecting sleeve is provided on the second rotating seat, and the second linkage rod is fixedly connected to the second connecting sleeve.

[0021] Preferably, a clamping member is installed on the clamping jaw.

[0022] Compared with the prior art, the first driving assembly of the utility model includes a clamping jaw symmetrically arranged on the left and right sides, the clamping jaw is rotatably arranged on the rotating member, the rotating member is provided with a moving member that can move up and down relative to the rotating member, the moving member is symmetrically arranged with a guide bevel groove, and the clamping jaw is provided with a guide member for movably plugging into the guide bevel groove; the first driving assembly is used to drive the moving member to move up and down relative to the rotating member. In the utility model, during the upward or downward movement of the moving member, as the position of the guide bevel groove in contact with the guide member changes, the guide bevel groove drives the guide member and thus drives the clamping jaw to rotate relative to the rotating member, so as to achieve the clamping or opening of the left and right clamping jaws. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is one of the three-dimensional structural schematic diagrams of the utility model;

[0024] Figure 2 This is one of the cross-sectional structural schematic diagrams of the utility model;

[0025] Figure 3 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0026] Figure 4 This is one of the three-dimensional structural schematic diagrams of the utility model;

[0027] Figure 5 This is the second schematic diagram of the cross-sectional structure of the utility model;

[0028] Figure 6 For this utility model Figure 5 The enlarged structural diagram at B in the middle;

[0029] Figure 7 It is a structural schematic diagram of the clamping assembly of the utility model. DETAILED DESCRIPTION

[0030] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0031] See also Figure 1-Figure 7A casting gripper structure, comprising a base 10, a rotating member 110 is rotatably arranged on the base 10, a clamping assembly 20 and a clamping assembly 30 are respectively arranged at the lower part of the rotating member 110, a rotating assembly 40, a first driving assembly 50 and a second driving assembly 60 are arranged on the base 10, the rotating assembly 40 is used to drive the rotating member 110 to rotate relative to the base 10, and the second driving assembly 60 is used to drive the clamping assembly 30 to clamp the workpiece;

[0032] The first driving assembly 50 includes a clamping jaw 210 symmetrically arranged on the left and right sides, the clamping jaw 210 is rotatably arranged on the rotating member 110, the rotating member 110 is provided with a moving member 240 that can move up and down relative to the rotating member 110, the moving member 240 is symmetrically arranged with a guide inclined groove 250, and the clamping jaw 210 is provided with a guide member 230 for being movably inserted in the guide inclined groove 250;

[0033] The first driving assembly 50 is used to drive the moving member 240 to move up and down relative to the rotating member 110 .

[0034] See also Figure 6 In the process of the movable member 240 moving upward or downward, as the contact position between the guide bevel 250 and the guide member 230 changes, the guide bevel 250 will drive the guide member 230 and thus drive the clamping jaw 210 to rotate relative to the rotating member 110, so as to achieve the clamping or opening of the left and right clamping jaws 210.

[0035] Furthermore, the clamping jaw 210 is rotatably disposed relative to the rotating member 110 with the fixed shaft 211 as the rotation axis.

[0036] Further, the rotating assembly 40 includes a driving element 410, a first gear 420 is mounted on the power output shaft of the driving element 410, a second gear 430 is disposed on the rotating member 110, and the second gear 430 meshes with the first gear 420. The driving element 410 can be driven by a motor or a combination of a motor and a reduction box.

[0037] See also Figure 3 and Figure 4 The first driving assembly 50 includes a first movable seat 520 that can be moved up and down relative to the base 10, and a first rotating seat 530 is rotatably arranged on the first movable seat 520, and the rotation axis of the first rotating seat 530 and the rotation axis of the rotating member 110 are coaxially arranged;

[0038] The rotating member 110 is hollow inside and has an opening at the upper end. A first linkage rod 510 is disposed inside the rotating member 110 and can move up and down relative to the rotating member 110. One end of the first linkage rod 510 is fixedly connected to the moving member 240, and the other end is fixedly connected to the first rotating seat 530.

[0039] The base 10 is provided with a first linear driving element 540 for driving the first movable base 520 to move up and down relative to the base 10 .

[0040] The first rotating seat 530 is rotatably arranged on the first moving seat 520 by using a bearing. The function of the first rotating seat 530 is to take into account that when the rotating member 110 rotates, the first linkage rod 510 will rotate with the rotating member 110. At this time, the first rotating seat 530 rotates relative to the first moving seat 520 under the action of the first linkage rod 510. When the moving member 240 is driven to move up and down by the first linkage rod 510, the first moving seat 520 is driven to move up or down by starting the first linear driving element 540, thereby driving the first rotating seat 530, the first linkage rod 510 and the moving member 240 to move up and down.

[0041] Furthermore, the first linear drive element 540 adopts an existing linear motor.

[0042] See also Figure 3 A first connecting sleeve 550 is disposed on the first rotating seat 530 , and the first linkage rod 510 is fixedly connected to the first connecting sleeve 550 .

[0043] See also Figure 2 and Figure 7 The clamping assembly 30 includes a first connecting arm 310 hinged at one end on the rotating member 110, a clamping rod 320 hinged at the other end of the first connecting arm 310, a driving arm 330 is also hinged on the clamping rod 320, and the driving arm 330 is rotatably connected to the rotating member 110;

[0044] The rotating member 110 is provided with a slider 340 that can move up and down relative to the rotating member 110, the driving arm 330 is provided with a driven slide groove 331, and the slider 340 is provided with a driving member 341 that is movably inserted into the driven slide groove 331;

[0045] The second driving assembly 60 is used to drive the sliding block 340 to move up and down relative to the rotating member 110 .

[0046] When the second driving assembly 60 drives the slider 340 to move up and down relative to the rotating member 110, the slider 340 cooperates with the driven slide groove 331 through the driving member 341, thereby driving the driving arm 330 to swing relative to the rotating member 110. During the swinging process, the driving arm 330 drives the clamping rod 320 to move to clamp or release the workpiece.

[0047] See also Figure 3 and Figure 4 The second driving assembly 60 includes a second movable seat 620 that can be moved up and down relative to the base 10, and a second rotating seat 640 is rotatably arranged on the second movable seat 620, and the rotation axis of the second rotating seat 640 and the rotation axis of the rotating member 110 are coaxially arranged;

[0048] The rotating member 110 is hollow inside and has an opening at the upper end. A second linkage rod 610 is disposed inside the rotating member 110 and can move up and down relative to the rotating member 110. One end of the second linkage rod 610 is fixedly connected to the slider 340, and the other end is fixedly connected to the second rotating seat 640.

[0049] The base 10 is provided with a second linear driving element 630 for driving the second movable base 620 to move up and down relative to the base 10 .

[0050] Furthermore, the second rotating seat 640 is installed on the second moving seat 620 via a bearing.

[0051] The second linear drive element 630 is a linear motor.

[0052] Under the action of the second linear drive element 630, it can drive the second movable seat 620 to move upward or downward relative to the base 10. When the second movable seat 620 moves, it can drive the second rotating seat 640 and the second connecting rod 610 to move, thereby driving the slider 340 to move up and down relative to the rotating member 110.

[0053] See also Figure 3 A second connecting sleeve 650 is provided on the second rotating seat 640 , and the second link rod 610 is fixedly connected to the second connecting sleeve 650 .

[0054] See also Figure 4 The clamping jaw 210 is provided with a clamping member 220 .

[0055] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0056] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0057] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A casting gripper structure, comprising a base (10), a rotating member (110) being rotatably arranged on the base (10), a clamping assembly (20) and a clamping assembly (30) being respectively arranged at the lower part of the rotating member (110), a rotating assembly (40), a first driving assembly (50) and a second driving assembly (60) being arranged on the base (10), the rotating assembly (40) being used to drive the rotating member (110) to rotate relative to the base (10), and the second driving assembly (60) being used to drive the clamping assembly (30) to clamp a workpiece; Features: The first driving assembly (50) comprises a clamping jaw (210) symmetrically arranged on the left and right sides, the clamping jaw (210) is rotatably arranged on the rotating member (110), the rotating member (110) is provided with a moving member (240) which can move up and down relative to the rotating member (110), the moving member (240) is symmetrically arranged with a guide inclined groove (250), and the clamping jaw (210) is provided with a guide member (230) for movably plugging into the guide inclined groove (250); The first driving component (50) is used to drive the moving member (240) to move up and down relative to the rotating member (110).

2. A casting gripper structure according to claim 1, characterized in that: The first driving assembly (50) comprises a first movable seat (520) which can be moved up and down relative to the base (10); a first rotating seat (530) is rotatably arranged on the first movable seat (520); and a rotation axis of the first rotating seat (530) and a rotation axis of the rotating member (110) are coaxially arranged with each other; The rotating member (110) is hollow inside and has an opening at the upper end. A first linkage rod (510) is arranged inside the rotating member (110) and can move up and down relative to the rotating member (110). One end of the first linkage rod (510) is fixedly connected to the moving member (240), and the other end is fixedly connected to the first rotating seat (530); The base (10) is provided with a first linear driving element (540) for driving the first movable base (520) to move up and down relative to the base (10).

3. A casting gripper structure according to claim 2, characterized in that: A first connecting sleeve (550) is provided on the first rotating seat (530), and the first linkage rod (510) is fixedly connected to the first connecting sleeve (550).

4. A casting gripper structure according to claim 1, characterized in that: The clamping assembly (30) comprises a first connecting arm (310) having one end hinged on the rotating member (110), a clamping rod (320) being hinged on the other end of the first connecting arm (310), a driving arm (330) being hinged on the clamping rod (320), and the driving arm (330) being rotatably connected to the rotating member (110); The rotating member (110) is provided with a slider (340) which can move up and down relative to the rotating member (110), the driving arm (330) is provided with a driven slide groove (331), and the slider (340) is provided with a driving member (341) which is movably inserted into the driven slide groove (331); The second driving component (60) is used to drive the sliding block (340) to move up and down relative to the rotating member (110).

5. A casting gripper structure according to claim 4, characterized in that: The second driving assembly (60) comprises a second movable seat (620) which can be moved up and down relative to the base (10); a second rotating seat (640) is rotatably arranged on the second movable seat (620); and a rotation axis of the second rotating seat (640) and a rotation axis of the rotating member (110) are coaxially arranged with each other; The rotating member (110) is hollow inside and has an opening at the upper end. A second linkage rod (610) is arranged inside the rotating member (110) and can move up and down relative to the rotating member (110). One end of the second linkage rod (610) is fixedly connected to the slider (340), and the other end is fixedly connected to the second rotating seat (640); The base (10) is provided with a second linear drive element (630) for driving the second movable base (620) to move up and down relative to the base (10).

6. A casting gripper structure according to claim 5, characterized in that: A second connecting sleeve (650) is provided on the second rotating seat (640), and the second linkage rod (610) is fixedly connected to the second connecting sleeve (650).

7. A casting gripper structure according to claim 1, characterized in that: A clamping member (220) is mounted on the clamping jaw (210).

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