Driving assembly of casting paw and casting paw

Abstract

The utility model discloses a casting paw driving assembly and a casting paw, the casting paw driving assembly comprises a mounting seat, a first moving seat and a second moving seat are arranged in the mounting seat up and down at intervals, a plurality of guide shafts are arranged in the mounting seat, the first moving seat is provided with first linear bearings corresponding to the guide shafts, and the second moving seat is provided with second linear bearings corresponding to the guide shafts. The first moving seat is provided with a first linear bearing corresponding to the guide shaft, the first linear bearing is slidably connected with the guide shaft, the second moving seat is provided with a second linear bearing corresponding to the guide shaft, the second linear bearing is slidably connected with the guide shaft, and the mounting seat is provided with a first lifting assembly and a second lifting assembly. The first lifting assembly is used for driving the first moving seat to move up and down relative to the guide shaft, and the second lifting assembly is used for driving the second moving seat to move up and down relative to the guide shaft.

Description

Technical Field

[0001] The utility model relates to the field of casting grippers, in particular to a driving component of a casting gripper and a casting gripper. 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] Based on the above, in the prior art, the clamping mechanism and the holding mechanism are separately arranged. The separate arrangement of these two sets of driving mechanisms will make the volume of the entire casting gripper larger. In actual use, it is not conducive to the robot to drive the gripper to move. The separate clamping mechanism and the holding mechanism can easily interfere with other objects and need further improvement. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a dual-drive integrated casting gripper drive assembly and a casting gripper.

[0005] A driving assembly of a casting gripper designed for this purpose comprises a mounting seat, wherein a first movable seat and a second movable seat are arranged at intervals in the upper and lower parts of the mounting seat, a plurality of guide shafts are arranged in the mounting seat, a first linear bearing corresponding to the guide shaft is arranged on the first movable seat, the first linear bearing is slidably connected to the guide shaft, a second linear bearing corresponding to the guide shaft is arranged on the second movable seat, the second linear bearing is slidably connected to the guide shaft, a first lifting assembly and a second lifting assembly are arranged on the mounting seat, the first lifting assembly is used to drive the first movable seat to move up and down relative to the guide shaft, and the second lifting assembly is used to drive the second movable seat to move up and down relative to the guide shaft.

[0006] Preferably, the first lifting assembly includes a first screw rod rotatably arranged on the mounting seat, a first screw rod nut is installed on the first movable seat, the first screw rod nut is threadedly connected to the first screw rod, and a first motor is provided on the mounting seat that is transmission-connected to the first screw rod and is used to drive the first screw rod to rotate.

[0007] Preferably, a first synchronous pulley is provided on the first lead screw, a second synchronous pulley is mounted on the motor shaft of the first motor, and a first synchronous belt is sleeved on the first synchronous pulley and the second synchronous pulley.

[0008] Preferably, the second lifting assembly includes a second lead screw rotatably provided on the mounting base, a second lead screw nut is mounted on the second moving seat, the second lead screw nut is in threaded connection with the second lead screw, and a second motor for driving the second lead screw to rotate is provided on the mounting base and is in transmission connection with the second lead screw.

[0009] Preferably, a third synchronous pulley is provided on the second lead screw, a fourth synchronous pulley is mounted on the motor shaft of the second motor, and a second synchronous belt is sleeved on the third synchronous pulley and the fourth synchronous pulley.

[0010] Preferably, a first mounting hole is provided on the first moving seat, and a first connecting member for connecting the first linkage rod is rotatably provided in the first mounting hole;

[0011] A second mounting hole is provided on the second moving seat, and a second connecting member for connecting the second linkage rod is rotatably provided in the second mounting hole;

[0012] A through hole is provided on the mounting base below the second mounting hole.

[0013] A casting gripper includes a fixed seat, a base and a driving assembly. The base is rotatably provided on the fixed seat. A clamping assembly and a clamping component are respectively provided at the lower part of the base. The interior of the base is hollow and open at the upper end. A first linkage rod and a second linkage rod are vertically movably arranged inside the base;

[0014] The upper end of the first linkage rod is connected to the first moving seat, the lower end of the first linkage rod is connected to the clamping component, and the first linkage rod can drive the clamping component to loosen or clamp the workpiece when moving up and down following the first moving seat;

[0015] The upper end of the second linkage rod is connected to the second moving seat, the lower end of the second linkage rod is connected to the clamping assembly, and the second linkage rod can drive the clamping assembly to loosen or clamp the workpiece when moving up and down following the second moving seat;

[0016] A driving element is provided on the fixed seat, a driving gear is mounted on the driving shaft of the driving element, and a driven gear matched with the driving gear is provided on the base.

[0017] Compared with the prior art, the utility model can achieve dual-drive integration through the first moving seat and the second moving seat arranged in the mounting seat, effectively reducing the product volume, realizing drive integration, and being more conducive to the gripper following the robot to move during actual use.

[0018] At the same time, the utility model adopts a common guide shaft for the first moving seat and the second moving seat. While realizing stable guiding movement, the number of components is reduced, and the optimized structure can reduce the production cost while making better use of space to better achieve the reduction of the product volume. Brief Description of the Drawings

[0019] Figure 1 is a schematic cross-sectional structure diagram of the casting gripper;

[0020] Figure 2 is one of the three-dimensional structure diagrams of the drive assembly;

[0021] Figure 3 is the other three-dimensional structure diagram of the drive assembly;

[0022] Figure 4 is Figure 1 the enlarged structure diagram at A in

[0023] Figure 5 is the three-dimensional structure diagram of the clamping assembly;

[0024] Figure 6 is the three-dimensional structure diagram of the casting gripper. Detailed Embodiments

[0025] The following further describes the utility model in conjunction with the drawings and embodiments.

[0026] Referring to Figures 1 - 6 , a drive assembly of a casting gripper includes a mounting seat 10. A first moving seat 20 and a second moving seat 30 are arranged at intervals up and down in the mounting seat 10. A plurality of guide shafts 110 are arranged in the mounting seat 10. A first linear bearing 210 corresponding to the guide shaft 110 is arranged on the first moving seat 20. The first linear bearing 210 is slidably connected to the guide shaft 110. A second linear bearing 310 corresponding to the guide shaft 110 is arranged on the second moving seat 30. The second linear bearing 310 is slidably connected to the guide shaft 110. A first lifting assembly 220 and a second lifting assembly 320 are arranged on the mounting seat 10. The first lifting assembly 220 is used to drive the first moving seat 20 to move up and down relative to the guide shaft 110, and the second lifting assembly 320 is used to drive the second moving seat 30 to move up and down relative to the guide shaft 110.

[0027] In the above embodiments, the first moving seat and the second moving seat provided in the mounting seat can achieve dual-drive integration, effectively reducing the product volume, driving integration, and making it more conducive for the gripper to move following the robot during actual use.

[0028] At the same time, the present utility model uses the guiding shafts shared by the first moving seat and the second moving seat. While achieving stable guiding movement, the number of components is reduced, and the optimized structure can reduce production costs while making better use of space to better reduce the product volume.

[0029] See Figures 1 to 5 , a casting gripper, comprising a fixed seat 910, a base 80 and a driving assembly. The base 80 is rotatably arranged on the fixed seat 910. A clamping assembly 60 and a clamping component 70 are respectively arranged at the lower part of the base 80. The interior of the base 80 is hollow and the upper end is open. A first linkage rod 50 and a second linkage rod 40 are arranged to move up and down inside the base 80;

[0030] The upper end of the first linkage rod 50 is connected to the first moving seat 20, and the lower end of the first linkage rod 50 is connected to the clamping component 70. The first linkage rod 50 moves up and down following the first moving seat 20, which can drive the clamping component 70 to loosen or clamp the workpiece;

[0031] The upper end of the second linkage rod 40 is connected to the second moving seat 30, and the lower end of the second linkage rod 40 is connected to the clamping assembly 60. The second linkage rod 40 moves up and down following the second moving seat 30, which can drive the clamping assembly 60 to loosen or clamp the workpiece;

[0032] A driving element 920 is arranged on the fixed seat 910, and a driving gear 940 is installed on the driving shaft of the driving element 920. A driven gear 930 is arranged on the base 80 and is matched with the driving gear 940.

[0033] Operating principle of the casting gripper:

[0034] The second lifting assembly 320 drives the second moving seat 30 to move up and down relative to the guiding shaft 110. During the up and down movement of the second moving seat 30, the second linkage rod 40 can be driven to move synchronously to drive the clamping assembly 60 to clamp or loosen the workpiece.

[0035] The first lifting assembly 220 drives the first moving seat 20 to move up and down. During its up and down movement, the first linkage rod 50 can be driven to move synchronously to drive the clamping component 70 to clamp or loosen the workpiece.

[0036] In the present utility model, the driving element 920 adopts an existing motor or a motor connected to a speed reducer to achieve driving. The driving element 920 drives the driving gear 940 to rotate, so as to drive the driven gear 930 to rotate, drive the base 80 to rotate relative to the fixed seat 910, and drive the clamped workpiece to rotate, so as to adjust the position of the workpiece.

[0037] See Figure 2 and Figure 3 , the first lifting assembly 220 includes a first lead screw 221 rotatably arranged on the mounting seat 10, a first lead screw nut 222 is installed on the first moving seat 20, the first lead screw nut 222 is threadedly connected with the first lead screw 221, and a first motor 224 is arranged on the mounting seat 10 and is in transmission connection with the first lead screw 221 for driving the first lead screw 221 to rotate. The first motor drives the first lead screw to rotate, which can drive the first lead screw nut and the first moving seat to move up or down, and its up or down movement is determined by the forward and reverse rotation of the first motor.

[0038] See Figure 2 and Figure 3 , a first synchronous pulley 223 is arranged on the first lead screw 221, a second synchronous pulley 225 is installed on the motor shaft of the first motor 224, and a first synchronous belt 226 is sleeved on the first synchronous pulley 223 and the second synchronous pulley 225. Under the action of the first synchronous belt 226, the first motor 224 can drive the first lead screw 221 to rotate.

[0039] See Figure 2 and Figure 3 , the second lifting assembly 320 includes a second lead screw 321 rotatably arranged on the mounting seat 10, a second lead screw nut 322 is installed on the second moving seat 30, the second lead screw nut 322 is threadedly connected with the second lead screw 321, and a second motor 324 is arranged on the mounting seat 10 and is in transmission connection with the second lead screw 321 for driving the second lead screw 321 to rotate. The second motor drives the second lead screw to rotate, which can drive the second lead screw nut and the second moving seat to move up or down, and its up or down movement is determined by the forward and reverse rotation of the second motor.

[0040] See Figure 2 and Figure 3 , a third synchronous pulley 323 is arranged on the second lead screw 321, a fourth synchronous pulley 325 is installed on the motor shaft of the second motor 324, and a second synchronous belt 326 is sleeved on the third synchronous pulley 323 and the fourth synchronous pulley 325. Under the action of the second synchronous belt 326, the second motor 324 can drive the second lead screw 321 to rotate.

[0041] See Figure 2 and Figure 3, a first mounting hole is provided on the first moving seat 20, and a first connecting member 200 for connecting the first linkage rod 50 is rotatably provided in the first mounting hole; a second mounting hole is provided on the second moving seat 30, and a second connecting member 300 for connecting the second linkage rod 40 is rotatably provided in the second mounting hole; a through hole 100 is provided on the mounting seat 10 below the second mounting hole. The functions of the first connecting member 200 and the second connecting member 300 are that in actual use, when the driving assembly is fixedly arranged on the robot, the base 80 of the gripper part can rotate relative to the driving assembly and the robot to drive the clamping assembly and the clamping component to drive the workpiece to rotate. When the base rotates, it will synchronously drive the first linkage rod and the second linkage rod to rotate, and at this time, the first connecting member 200 and the second connecting member 300 will rotate synchronously.

[0042] In the present utility model, the clamping component 70 includes a clamping rod 710, the clamping rod 710 is hinged with a first connecting rod 720 and a second connecting rod 730, the other end of the first connecting rod 720 is hinged with the base 80, a longitudinal slide rail 740 is provided on the base 80, and the other end of the second connecting rod 730 and the lower end of the first linkage rod 50 are hinged to each other by a hinge shaft 750, and the hinge shaft 750 is movably arranged in the longitudinal slide rail 740. During the up and down movement of the first linkage rod 60, it can drive the second connecting rod 730 to drive the clamping rod 710 to move to clamp or release the workpiece.

[0043] In the present utility model, the clamping assembly 60 includes symmetrically arranged clamping jaws 610, the clamping jaws 610 are rotatably arranged on the base 80, a moving block 620 is arranged above the clamping jaws 610, a linkage inclined groove 630 is provided on the moving block 620, a linkage shaft 640 is provided on the clamping jaws 610, the linkage shaft 640 is movably inserted into the linkage inclined groove 630, and the moving block 620 is connected with the second linkage rod 40. During the up and down movement of the second linkage rod 40, it can drive the moving block 620 to move up and down. During the movement, through the cooperation of the linkage inclined groove 630 and the linkage shaft 640, the clamping jaws 610 can be driven to rotate, and by the relative rotation of the left and right clamping jaws 610, the workpiece can be clamped or released.

[0044] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the present utility model. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features.

[0045] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A driving component of a casting gripper, comprising a mounting base (10), characterized in that: A first moving seat (20) and a second moving seat (30) are arranged at upper and lower intervals in the mounting seat (10). A plurality of guide shafts (110) are arranged in the mounting seat (10). A first linear bearing (210) corresponding to the guide shaft (110) is arranged on the first moving seat (20). The first linear bearing (210) is slidably connected with the guide shaft (110). A second linear bearing (310) corresponding to the guide shaft (110) is arranged on the second moving seat (30). The second linear bearing (310) is slidably connected with the guide shaft (110). A first lifting assembly (220) and a second lifting assembly (320) are arranged on the mounting seat (10). The first lifting assembly (220) is used to drive the first moving seat (20) to move up and down relative to the guide shaft (110), and the second lifting assembly (320) is used to drive the second moving seat (30) to move up and down relative to the guide shaft (110).

2. The drive assembly of a casting gripper according to claim 1, characterized in that: The first lifting assembly (220) includes a first lead screw (221) rotatably arranged on the mounting seat (10). A first lead screw nut (222) is installed on the first moving seat (20). The first lead screw nut (222) is in threaded connection with the first lead screw (221). A first motor (224) which is in transmission connection with the first lead screw (221) and is used to drive the first lead screw (221) to rotate is arranged on the mounting seat (10).

3. The drive assembly of a casting gripper according to claim 2, characterized in that: A first synchronous pulley (223) is arranged on the first lead screw (221). A second synchronous pulley (225) is installed on the motor shaft of the first motor (224). A first synchronous belt (226) is sleeved on the first synchronous pulley (223) and the second synchronous pulley (225).

4. The drive assembly of a casting gripper according to claim 1, wherein: The second lifting assembly (320) includes a second lead screw (321) rotatably arranged on the mounting seat (10). A second lead screw nut (322) is installed on the second moving seat (30). The second lead screw nut (322) is in threaded connection with the second lead screw (321). A second motor (324) which is in transmission connection with the second lead screw (321) and is used to drive the second lead screw (321) to rotate is arranged on the mounting seat (10).

5. The drive assembly of a casting gripper according to claim 4, characterized in that: A third synchronous pulley (323) is arranged on the second lead screw (321). A fourth synchronous pulley (325) is installed on the motor shaft of the second motor (324). A second synchronous belt (326) is sleeved on the third synchronous pulley (323) and the fourth synchronous pulley (325).

6. The drive assembly of a casting gripper according to claim 1, characterized in that: A first mounting hole is arranged on the first moving seat (20). A first connecting member (200) for connecting a first linkage rod (50) is rotatably arranged in the first mounting hole; A second mounting hole is arranged on the second moving seat (30). A second connecting member (300) for connecting a second linkage rod (40) is rotatably arranged in the second mounting hole; A through hole (100) is arranged on the mounting seat (10) below the second mounting hole.

7. A casting gripper, characterized in that: Comprising a fixed seat (910), a base (80), and a driving assembly according to any one of claims 1 to 6, the base (80) is rotatably arranged on the fixed seat (910), a clamping assembly (60) and a clamping jaw assembly (70) are respectively arranged at the lower part of the base (80), the interior of the base (80) is hollow and the upper end is open, and a first linkage rod (50) and a second linkage rod (40) are arranged to move up and down inside the base (80); The upper end of the first linkage rod (50) is connected to the first moving seat (20), the lower end of the first linkage rod (50) is connected to the clamping jaw assembly (70), and the first linkage rod (50) moves up and down following the first moving seat (20) to drive the clamping jaw assembly (70) to loosen or clamp the workpiece; The upper end of the second linkage rod (40) is connected to the second moving seat (30), the lower end of the second linkage rod (40) is connected to the clamping assembly (60), and the second linkage rod (40) moves up and down following the second moving seat (30) to drive the clamping assembly (60) to loosen or clamp the workpiece; A driving element (920) is arranged on the fixed seat (910), a driving gear (940) is installed on the driving shaft of the driving element (920), and a driven gear (930) matching with the driving gear (940) is arranged on the base (80).

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