High-precision material grabbing device for numerical control lathe

Abstract

The utility model relates to the technical field of numerical control lathes, and discloses a high-precision material grabbing device for a numerical control lathe, which is provided with a control assembly, a hydraulic rod pushes a movable plate to move upwards, a movable rod hinged to the surface of the movable plate is turned over, and a sliding block is pulled to move in a limiting plate. A supporting frame fixed to the surface of the sliding block drives a vertical plate to move, the surface of the vertical plate transversely moves in a material grabbing box synchronously through a transverse rod and a material grabbing claw connected with a connecting rod, when the material grabbing claw abuts against a workpiece, the material grabbing claw is subjected to reverse abutting force, the transverse rod can slide in the vertical plate under supporting of a second spring, and the workpiece is clamped. A vertical rod fixed to the surface of a transverse rod abuts against the tangent plane of a sliding rod when moving, the sliding rod is stressed and moves downwards under supporting of a first spring, a clamping rod is clamped into the space between two sets of fixing blocks, rightward movement of a supporting frame is limited through a clamping block, and in this way, proper force can be applied to workpieces of different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of numerically controlled lathes, in particular to a high-precision material grabber for numerically controlled lathes. Background Art

[0002] CNC lathe is one of the most widely used CNC machine tools at present; it is mainly used for cutting inner and outer cylindrical surfaces of shaft parts or disk parts, inner and outer conical surfaces of arbitrary taper angles, complex rotating inner and outer curved surfaces, and cylindrical and conical threads, and can perform operations such as grooving, drilling, reaming, reaming and boring.

[0003] CNC lathes generally use high-precision grippers for loading materials. According to a publicly disclosed high-precision gripper for CNC lathes (Announcement No.: CN216325120U), in the above application, a driving component applies rotational force to the bidirectional threaded rod, thereby driving the movement of the gripper body. According to the processing needs of workpieces of different sizes, the height position of the gripper body can be conveniently and flexibly adjusted, which can be suitable for processing workpieces of different sizes and improve production efficiency. This method only changes the height position of the gripper body, but when fixing the workpiece, it is impossible to apply appropriate force to workpieces of different sizes, which causes the workpiece to break due to excessive fixing force when it is fixed. To address this problem, we have proposed a high-precision gripper for CNC lathes. Summary of the invention

[0004] The purpose of the utility model is to provide a high-precision material grabber for a CNC lathe to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision material grabber for a CNC lathe, comprising a fixed box, a material grabbing box is fixedly mounted on the surface of the fixed box, a fixed claw is fixedly mounted on the surface of the material grabbing box, the surface of the material grabbing box is slidably connected to the material grabbing claw, a control component is arranged in the fixed box, a driven component is arranged on the surface of the material grabbing box, and the control component comprises:

[0006] A support frame, the support frame is penetrated by the slide rod and is slidably connected to the slide rod, the surface of the slide rod is fixedly connected to one end of the spring one, and the other end of the spring one is fixedly mounted on the surface of the support frame;

[0007] A clamping rod, the clamping rod is hinged to the surface of the slide rod, the surface of the clamping rod is fixedly connected to one side of the torsion spring 1, the other side of the torsion spring 1 is fixedly mounted on the surface of the slide rod, and a clamping block is fixedly mounted on the surface of the slide rod;

[0008] A limit plate, the limit plate is fixedly mounted on the inner wall of the fixed box, and a fixed block is fixedly mounted on the surface of the limit plate;

[0009] An adjusting piece is provided in the fixing box for adjusting the workpieces. This method can apply appropriate force to workpieces of different sizes, and at the same time, achieve stable fixation while avoiding damage to the workpiece caused by excessive fixing force.

[0010] Preferably, the adjusting member includes: a movable plate, the surface of the movable plate is fixedly connected to the surface of the hydraulic rod, the hydraulic rod is fixedly installed on the inner wall of the fixed box, the surface of the movable plate is hinged to one end of the movable rod, the other end of the movable rod is hinged to the surface of the slider, the slider is slidably connected to the inner wall of the limit plate, the surface of the slider is fixedly connected to the surface of the support frame, and when the movable plate moves, the movable rod can be folded to pull the slider to move.

[0011] Preferably, a vertical plate is fixedly mounted on the surface of the support frame, the vertical plate is penetrated by a cross bar and is slidably connected to the cross bar, the surface of the cross bar is fixedly connected to one end of spring 2, and the other end of spring 2 is fixedly mounted on the surface of the vertical plate, and when the cross bar is subjected to force, it can move in the vertical plate under the support of spring 2.

[0012] Preferably, a vertical rod is fixedly installed on the surface of the cross rod, a connecting rod is fixedly installed on the surface of the vertical rod, the connecting rod passes through the material grabbing box and is slidably connected to the material grabbing box, the surface of the connecting rod is fixedly connected to the surface of the material grabbing claw, and when the cross rod slides in the vertical plate, the vertical rod can move synchronously.

[0013] Preferably, the cross-sectional shape of the slide bar is a trapezoid, and the trapezoidal slide bar can move longitudinally in the support frame when being resisted.

[0014] Preferably, the driven component includes: a flat rod, which is fixedly mounted on the surface of the vertical plate, the flat rod passes through the material grabbing box and is slidably connected to the material grabbing box, a moving rod is fixedly mounted on the surface of the flat rod, and fixed teeth are fixedly mounted on the surface of the moving rod. When the vertical plate moves, the flat rod can drive the moving rod to move horizontally synchronously.

[0015] Preferably, the fixed tooth is meshed with a gear, the gear is penetrated by a rotating rod and fixedly connected to the rotating rod, the rotating rod is rotatably connected to the surface of a fixed box, a circular plate is fixedly installed on the surface of the rotating rod, the surface of the circular plate is hinged to a knocking rod, the surface of the knocking rod is fixedly connected to one side of a torsion spring 2, the other side of the torsion spring 2 is fixedly installed on the surface of the circular plate, and when the fixed tooth moves on the surface of the gear, the gear can drive the rotating rod and the circular plate to perform circular motion.

[0016] Compared with the prior art, the utility model provides a high-precision material grabber for a CNC lathe, which has the following beneficial effects:

[0017] 1. The high-precision material grabber for the CNC lathe is provided with a control component. The hydraulic rod pushes the moving plate to move upward, and the movable rod hinged on the surface of the moving plate is folded, pulling the slider to move in the limit plate, and the support frame fixed on the surface of the slider drives the vertical plate to move. The material grabbing claws connected by the cross bar and the connecting rod on the surface of the vertical plate synchronously move horizontally in the material grabbing box. When the material grabbing claws hit the workpiece, they are subjected to a reverse resistance force, and the cross bar can slide in the vertical plate under the support of spring 2. The vertical bar fixed on the surface of the cross bar hits the cross section of the slide bar when moving, and the slide bar is forced to move downward under the support of spring 1, and the clamping rod is clamped into the gap between the two sets of fixed blocks, and the rightward movement of the support frame is limited by the clamping block. This method can apply appropriate force to workpieces of different sizes.

[0018] 2. The high-precision material grabber for the CNC lathe is provided with a driven component. When the vertical plate moves, the flat rod fixed on the surface of the vertical plate can drive the moving rod to move horizontally synchronously. The fixed teeth fixed on the surface of the moving rod move on the surface of the gear. The gear is forced to drive the rotating rod and the circular plate to rotate. The knocking rod hinged on the surface of the circular plate can knock on the surface of the material grabbing box when rotating. Since the surface of the knocking rod is provided with a torsion spring 2, the force of the knocking can be reduced. When the fixed claws on the surface of the material grabbing box and the material grabbing claws are subjected to the force of vibration, the sticky impurities can be forced to fall off. This method can avoid the influence of the presence of impurities on the stability of the material grabbing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the back structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the adjusting member of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the driven component of the utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the control component of the utility model.

[0025] In the figure: 1. fixed box; 2. material grabbing box; 3. fixed claw; 4. material grabbing claw; 5. control component; 51. support frame; 52. sliding rod; 53. spring one; 54. clamping rod; 55. clamping block; 56. torsion spring one; 57. limit plate; 58. fixed block; 59. adjustment member; 591. hydraulic rod; 592. moving plate; 593. movable rod; 594. sliding block; 596. vertical plate; 597. horizontal rod; 598. spring two; 599. vertical rod; 590. connecting rod; 6. driven component; 61. flat rod; 62. moving rod; 63. fixed tooth; 64. gear; 65. rotating rod; 66. round plate; 67. knocking rod; 68. torsion spring two. DETAILED DESCRIPTION

[0026] like Figure 1-Figure 6 As shown, the utility model provides a technical solution: a high-precision grabber for a CNC lathe, comprising a fixed box 1, a grab box 2 is fixedly installed on the surface of the fixed box 1, a fixed claw 3 is fixedly installed on the surface of the grab box 2, the surface of the grab box 2 is slidably connected with the grab claw 4, a control component 5 is arranged in the fixed box 1, a driven component 6 is arranged on the surface of the grab box 2, and the control component 5 comprises: a support frame 51, a slide rod 52, a spring 53, a clamping rod 54, a clamping block 55, a torsion spring 56, a limit plate 57, a fixed block 58, and an adjusting member 59.

[0027] The support frame 51 is penetrated by the slide bar 52 and is slidably connected to the slide bar 52. The surface of the slide bar 52 is fixedly connected to one end of the spring 1 53, and the other end of the spring 1 53 is fixedly installed on the surface of the support frame 51. The clamping rod 54 is hinged to the surface of the slide bar 52, and the surface of the clamping rod 54 is fixedly connected to one side of the torsion spring 1 56, and the other side of the torsion spring 1 56 is fixedly installed on the surface of the slide bar 52. A clamping block 55 is fixedly installed on the surface of the slide bar 52, and a limit plate 57 is fixedly installed on the inner wall of the fixed box 1. A fixed block 58 is fixedly installed on the surface of the limit plate 57. An adjusting member 59 for adjustment is provided in the fixed box 1. The slide bar 52 is forced to move downward under the support of the spring 1 53, and the clamping rod 54 is clamped into the gap between the two groups of fixed blocks 58, and the rightward movement of the support frame 51 is limited by the clamping block 55. This method can apply appropriate force to workpieces of different sizes, while achieving stable fixation, avoiding damage to the workpiece caused by excessive fixing force.

[0028] The adjusting member 59 comprises: a moving plate 592, the surface of the moving plate 592 is fixedly connected to the surface of the hydraulic rod 591, the hydraulic rod 591 is fixedly installed on the inner wall of the fixed box 1, the surface of the moving plate 592 is hinged to one end of the movable rod 593, the other end of the movable rod 593 is hinged to the surface of the slider 594, the slider 594 is slidably connected to the inner wall of the limit plate 57, the surface of the slider 594 is fixedly connected to the surface of the support frame 51, when the moving plate 592 moves, the movable rod 593 can be folded, and the slider 594 can be pulled to move. A vertical plate 596 is fixedly installed on the surface of the support frame 51, the vertical plate 596 is penetrated by the cross bar 597 and is slidably connected to the cross bar 597, the surface of the cross bar 597 is fixedly connected to one end of the second spring 598, the other end of the second spring 598 is fixedly installed on the surface of the vertical plate 596, when the cross bar 597 is subjected to force, it can move in the vertical plate 596 under the support of the second spring 598. A vertical rod 599 is fixedly mounted on the surface of the horizontal rod 597, a connecting rod 590 is fixedly mounted on the surface of the vertical rod 599, the connecting rod 590 penetrates the material grabbing box 2 and is slidably connected to the material grabbing box 2, the surface of the connecting rod 590 is fixedly connected to the surface of the material grabbing claw 4, and when the horizontal rod 597 slides in the vertical plate 596, the vertical rod 599 can move synchronously. The cross-sectional shape of the sliding rod 52 is a trapezoid, and the trapezoidal sliding rod 52 can move longitudinally in the support frame 51 when it is resisted. The driven component 6 includes: a flat rod 61, the flat rod 61 is fixedly mounted on the surface of the vertical plate 596, the flat rod 61 penetrates the material grabbing box 2 and is slidably connected to the material grabbing box 2, a moving rod 62 is fixedly mounted on the surface of the flat rod 61, and a fixed tooth 63 is fixedly mounted on the surface of the moving rod 62, and when the vertical plate 596 moves, the flat rod 61 can drive the moving rod 62 to move horizontally synchronously. The fixed tooth 63 meshes with the gear 64, the gear 64 is penetrated by the rotating rod 65 and fixedly connected to the rotating rod 65, the rotating rod 65 is rotatably connected to the surface of the fixed box 1, a circular plate 66 is fixedly installed on the surface of the rotating rod 65, the surface of the circular plate 66 is hinged to the knocking rod 67, the surface of the knocking rod 67 is fixedly connected to one side of the torsion spring 68, and the other side of the torsion spring 68 is fixedly installed on the surface of the circular plate 66. When the fixed tooth 63 moves on the surface of the gear 64, the gear 64 can drive the rotating rod 65 and the circular plate 66 to perform circular motion.

[0029] In the present invention, when it is used, when it is necessary to fix the workpiece, the hydraulic rod 591 in the fixing box 1 is driven, and the hydraulic rod 591 pushes the moving plate 592 to move upward, and the movable rod 593 hinged on the surface of the moving plate 592 is folded, and the slider 594 is pulled to move in the limit plate 57, and the support frame 51 fixed on the surface of the slider 594 drives the vertical plate 596 to move, and the surface of the vertical plate 596 is connected by the cross bar 597 and the material grabbing claw 4 connected by the connecting rod 590, and synchronously moves horizontally in the material grabbing box 2. When the material grabbing claw 4 contacts the workpiece, When the force of reverse resistance is applied, the connecting rod 590 fixed at the bottom of the material grabbing claw 4 can drive the cross bar 597 to slide in the vertical plate 596 under the support of the second spring 598. When the vertical rod 599 fixed on the surface of the cross bar 597 moves, it resists the cross section of the slide bar 52. The slide bar 52 moves downward under the support of the first spring 53, and the clamping rod 54 is clamped into the gap between the two sets of fixed blocks 58. The clamping block 55 limits the rightward movement of the support frame 51. This method can apply appropriate force to workpieces of different sizes. At the same time, when the vertical plate 596 moves, the vertical plate 59 The flat rod 61 fixed on the surface of the 6 can drive the moving rod 62 to slide in the material grabbing box 2. When the moving rod 62 moves, the fixed tooth 63 fixed on the surface of the moving rod 62 can move on the surface of the gear 64. The gear 64 is driven by the force to drive the rotating rod 65 and the circular plate 66 to rotate. The knocking rod 67 hinged on the surface of the circular plate 66 can knock on the surface of the material grabbing box 2 when rotating. Since the surface of the knocking rod 67 is provided with a torsion spring 68, the force of the knocking can be reduced. When the fixed claw 3 and the material grabbing claw 4 on the surface of the material grabbing box 2 are subjected to the force of vibration, the sticky Impurities can fall under force, and this method can avoid the presence of impurities affecting the stability of material grabbing. At the same time, when the grab claw 4 is moving in the opposite direction, the operator on one side of the equipment observes the movement trajectory of the grab claw 4. When the grab claw 4 cannot move, the operator promptly shuts down the equipment that drives the hydraulic rod 591 to move. When it is necessary to release the fixation of the workpiece, the hydraulic rod 591 is driven to drive the moving plate 592 to move downward, and the fixing block 58 can resist the clamping rod 54 to be folded under the support of the torsion spring 56, thereby releasing the fixation of the workpiece.

[0030] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A high-precision material gripper for a CNC lathe, comprising a fixing box (1), characterized in that: A material grabbing box (2) is fixedly mounted on the surface of the fixed box (1), a fixed claw (3) is fixedly mounted on the surface of the material grabbing box (2), the surface of the material grabbing box (2) is slidably connected to the material grabbing claw (4), a control component (5) is arranged in the fixed box (1), a driven component (6) is arranged on the surface of the material grabbing box (2), and the control component (5) comprises: A support frame (51), wherein the support frame (51) is penetrated by the slide rod (52) and is slidably connected to the slide rod (52), the surface of the slide rod (52) is fixedly connected to one end of a spring (53), and the other end of the spring (53) is fixedly mounted on the surface of the support frame (51); A clamping rod (54), the clamping rod (54) being hinged to the surface of the slide rod (52), the surface of the clamping rod (54) being fixedly connected to one side of a torsion spring (56), the other side of the torsion spring (56) being fixedly mounted on the surface of the slide rod (52), and a clamping block (55) being fixedly mounted on the surface of the slide rod (52); A limiting plate (57), the limiting plate (57) being fixedly mounted on the inner wall of the fixing box (1), and a fixing block (58) being fixedly mounted on the surface of the limiting plate (57); An adjusting member (59), wherein an adjusting member (59) for adjusting is arranged in the fixing box (1).

2. The high-precision material grabber for a CNC lathe according to claim 1, characterized in that: The adjusting member (59) comprises a movable plate (592), the surface of the movable plate (592) being fixedly connected to the surface of a hydraulic rod (591), the hydraulic rod (591) being fixedly mounted on the inner wall of the fixed box (1), the surface of the movable plate (592) being hinged to one end of a movable rod (593), the other end of the movable rod (593) being hinged to the surface of a slider (594), the slider (594) being slidably connected to the inner wall of a limiting plate (57), and the surface of the slider (594) being fixedly connected to the surface of a supporting frame (51).

3. The high-precision material grabber for a CNC lathe according to claim 1, characterized in that: A vertical plate (596) is fixedly mounted on the surface of the support frame (51); the vertical plate (596) is penetrated by a cross bar (597) and is slidably connected to the cross bar (597); the surface of the cross bar (597) is fixedly connected to one end of a second spring (598); the other end of the second spring (598) is fixedly mounted on the surface of the vertical plate (596).

4. The high-precision material grabber for a CNC lathe according to claim 3, characterized in that: A vertical rod (599) is fixedly mounted on the surface of the cross rod (597), a connecting rod (590) is fixedly mounted on the surface of the vertical rod (599), the connecting rod (590) passes through the material grabbing box (2) and is slidably connected to the material grabbing box (2), and the surface of the connecting rod (590) is fixedly connected to the surface of the material grabbing claw (4).

5. The high-precision material grabber for a CNC lathe according to claim 1, characterized in that: The cross-sectional shape of the sliding rod (52) is a trapezoid.

6. The high-precision material grabber for a CNC lathe according to claim 3, characterized in that: The driven assembly (6) comprises: a flat rod (61), the flat rod (61) being fixedly mounted on the surface of the vertical plate (596), the flat rod (61) passing through the material grabbing box (2) and being slidably connected to the material grabbing box (2), a moving rod (62) being fixedly mounted on the surface of the flat rod (61), and a fixed tooth (63) being fixedly mounted on the surface of the moving rod (62).

7. The high-precision material grabber for a CNC lathe according to claim 6, characterized in that: The fixed tooth (63) meshes with the gear (64); the gear (64) is penetrated by a rotating rod (65) and fixedly connected to the rotating rod (65); the rotating rod (65) is rotatably connected to the surface of the fixed box (1); a circular plate (66) is fixedly mounted on the surface of the rotating rod (65); the surface of the circular plate (66) is hinged to a knocking rod (67); the surface of the knocking rod (67) is fixedly connected to one side of a second torsion spring (68); the other side of the second torsion spring (68) is fixedly mounted on the surface of the circular plate (66).

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