Material grabbing device

Abstract

The utility model relates to the technical field of mechanical automatic equipment, in particular to a material grabbing device which comprises a moving plate and a clamping mechanism, the clamping mechanism comprises a supporting plate, two sliding strips, two four telescopic rods, four springs, four clamps and a driving assembly, the supporting plate is arranged below the moving plate, the two sliding strips are connected with the supporting plate in a sliding mode, and the two sliding strips are connected with the driving assembly in a sliding mode. The four telescopic rods are fixedly connected with the corresponding clamps, the four springs are arranged on the surfaces of the corresponding telescopic rods, the sliding strip moves, the four clamps clamp an object, the four telescopic rods contract to drive the corresponding clamps to move towards the two sides, one end buffering distance is provided, and meanwhile the distance between the clamps is correspondingly adjusted according to the size of the object. Through the arrangement of the structure, the problems that the position of the clamping rubber roller cannot be adjusted, when a round object is clamped, the position of the clamping rubber roller cannot be adjusted according to the size of the object, and if the diameter of the object is too large, the object is likely to incline and fall off are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical automatic equipment, in particular to a material grabbing device. Background Art

[0002] In the process of mechanical processing production, workpieces are mostly transported by robotic arms. For many round and fragile workpieces, the robotic arms often slip and break during transportation, resulting in a waste of production costs. At the same time, the workpiece fragments can easily scratch workers.

[0003] In the prior art, the patent (CN107932543A) mentions a material grabbing device, including an air claw, a clamping plate and a clamping rubber roller, characterized in that the telescopic ends at both ends of the air claw are respectively fixed to the clamping plates, and a clamping rubber roller for grabbing materials is fixed under the clamping plate; a material grabbing device is used to clamp round and fragile objects in industrial automation production. The prior art has a simple structure, easy installation and operation, is suitable for products of different diameters, has strong practicality, can effectively prevent the breakage of round and fragile products, reduces the breakage rate of fragile products in industrial automation production, and reduces production costs.

[0004] However, in the above-mentioned prior art, the position of the clamping rubber roller cannot be adjusted. When clamping a round object, the position of the clamping rubber roller cannot be adjusted according to the size of the object. If the diameter of the object is too large, it is easy to tilt and fall. Utility Model Content

[0005] The purpose of the utility model is to provide a material grabbing device, which solves the problem in the prior art that the position of the clamping rubber roller cannot be adjusted. When clamping a round object, the position of the clamping rubber roller cannot be adjusted according to the size of the object. If the diameter of the object is too large, it is easy to tilt and fall.

[0006] To achieve the above-mentioned purpose, the utility model provides a material grabbing device, including a moving plate and a clamping mechanism, the clamping mechanism including a support plate, two sliding bars, two or four telescopic rods, four springs, four clamps and a driving assembly, the support plate is arranged below the moving plate, the two sliding bars are slidably connected to the support plate and are located on both sides of the support plate, and the two sides of the sliding bars have grooves, the four clamps are slidably connected to the corresponding sliding bars and are located inside the corresponding grooves, the four telescopic rods are fixedly connected to the corresponding clamps and are located inside the corresponding grooves, the four springs are arranged on the surface of the corresponding telescopic rods, and the driving assembly is arranged on one side of the support plate.

[0007] Among them, the driving assembly includes a first motor and a first threaded rod, the first motor is fixedly connected to the support plate and is located on one side of the support plate, the first threaded rod is fixedly connected to the output end of the first motor and is located inside the support plate, and the two sliding bars are threadedly connected to the first threaded rod.

[0008] Wherein, the clamp includes a sliding block, a central axis, a rotating rod and two limit blocks, the sliding block is fixedly connected to the telescopic rod and is located inside the groove, the central axis is fixedly connected to the sliding block and is located below the sliding block, the two limit blocks are fixedly connected to the central axis and are located on the surface of the central axis, and the rotating rod is rotatably connected to the central axis and is located between the two limit blocks.

[0009] Among them, the material grabbing device also includes an adjusting component, which includes a hydraulic press, a second motor, a connecting rod, a mounting plate and two gears. The hydraulic press is fixedly connected to the movable plate and is located below the movable plate. The mounting plate is fixedly connected to the output end of the hydraulic press and is located below the hydraulic press. One end of the connecting rod is rotatably connected to the mounting plate, and the other end of the connecting rod is fixedly connected to the support plate and is located below the mounting plate. The second motor is fixedly connected to the mounting plate and is located above the mounting plate. The two gears are respectively fixedly connected to the output end of the motor and the connecting rod and are located below the mounting plate, and the two gears are meshed with each other.

[0010] In which, the material grabbing device also includes a rotating assembly, which includes a third motor, a support rod, a fourth motor, two limit rods and a second threaded rod, the support rod is fixedly connected to the output end of the third motor and is located above the third motor, the fourth motor is fixedly connected to the support rod and is located on one side of the support rod, one end of the second threaded rod is fixedly connected to the output end of the fourth motor, the other end of the second threaded rod is threadedly connected to the movable plate, one end of the two limit rods is fixedly connected to the support rod, the other end of the two limit rods is slidably connected to the movable plate and is located on both sides of the fourth motor.

[0011] The utility model discloses a material grabbing device, the supporting plate is arranged under the moving plate, the two sliding bars are slidably connected with the supporting plate and are located at two sides of the supporting plate, and the two sides of the sliding bar have grooves, the four clamps are slidably connected with the corresponding sliding bars and are located inside the corresponding grooves, the four telescopic rods are fixedly connected with the corresponding clamps and are located inside the corresponding grooves, the four springs are arranged on the surfaces of the corresponding telescopic rods, the driving assembly is arranged on one side of the supporting plate, the sliding bar moves, the four clamps clamp the object, the four telescopic rods contract, and drive the corresponding clamps to move to both sides, providing a buffer distance at one end, and at the same time, the shell adjusts the distance between the clamps according to the size of the object, thereby improving the practicality of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0014] Figure 2 It is a side view of the first embodiment of the utility model.

[0015] Figure 3 The utility model Figure 2 AA line section view.

[0016] Figure 4 It is an overall structural diagram of the second embodiment of the utility model.

[0017] 101-moving plate, 102-support plate, 103-sliding bar, 104-telescopic rod, 105-spring, 106-first motor, 107-first threaded rod, 108-sliding block, 109-central axis, 110-rotating rod, 111-limiting block, 112-hydraulic press, 113-second motor, 114-connecting rod, 115-mounting plate, 116-gear, 117-groove, 201-third motor, 202-support rod, 203-fourth motor, 204-limiting rod, 205-second threaded rod. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] First embodiment:

[0020] See also Figures 1 to 3 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 is a side view of the first embodiment of the utility model, Figure 3 The utility model Figure 2 AA line section view.

[0021] The utility model provides a material grabbing device, including a moving plate 101, a clamping mechanism and an adjusting component, the clamping mechanism includes a supporting plate 102, two sliding bars 103, two or four telescopic rods 104, four springs 105, four clamps and a driving component, the adjusting component includes a hydraulic press 112, a second motor 113, a connecting rod 114, a mounting plate 115 and two gears 116, the driving component includes a first motor 106 and a first threaded rod 107, the clamp includes a sliding block 108, a central axis 109, a rotating rod 110 and two limit blocks 111, and the above-mentioned solution solves the problem that the position of the clamping rubber roller cannot be adjusted. When clamping a circular object, the position of the clamping rubber roller cannot be adjusted according to the size of the object. If the diameter of the object is too large, it is easy to tilt and fall.

[0022] According to this specific embodiment, the support plate 102 is arranged below the movable plate 101, the two sliding bars 103 are slidably connected to the support plate 102 and are located on both sides of the support plate 102, and grooves 117 are provided on both sides of the sliding bar 103, the four clamps are slidably connected to the corresponding sliding bars 103 and are located inside the corresponding grooves 117, the four telescopic rods 104 are fixedly connected to the corresponding clamps and are located inside the corresponding grooves 117, the four springs 105 are arranged on the surfaces of the corresponding telescopic rods 104, and the driving assembly is arranged on one side of the support plate 102, the sliding bar 103 moves, the four clamps clamp the object, the four telescopic rods 104 contract, and drive the corresponding clamps to move to both sides, providing a buffer distance at one end, and at the same time, the shell adjusts the distance between the clamps according to the size of the object.

[0023] Among them, the first motor 106 is fixedly connected to the support plate 102 and is located on one side of the support plate 102, the first threaded rod 107 is fixedly connected to the output end of the first motor 106 and is located inside the support plate 102, the two sliding bars 103 are threadedly connected to the first threaded rod 107, the first motor 106 drives the first threaded rod 107 to rotate, and the threads at both ends of the first threaded rod 107 are set in opposite directions, driving the two sliding bars 103 to move to clamp the object.

[0024] Secondly, the sliding block 108 is fixedly connected to the telescopic rod 104 and is located inside the groove 117. The central axis 109 is fixedly connected to the sliding block 108 and is located below the sliding block 108. The two limit blocks 111 are fixedly connected to the central axis 109 and are located on the surface of the central axis 109. The rotating rod 110 is rotatably connected to the central axis 109 and is located between the two limit blocks 111. The rotating rod 110 clamps the object. When moving, the rotating rod 110 rotates accordingly to prevent the object from being damaged.

[0025] At the same time, the hydraulic press 112 is fixedly connected to the movable plate 101 and is located below the movable plate 101. The mounting plate 115 is fixedly connected to the output end of the hydraulic press 112 and is located below the hydraulic press 112. One end of the connecting rod 114 is rotatably connected to the mounting plate 115, and the other end of the connecting rod 114 is fixedly connected to the support plate 102 and is located below the mounting plate 115. The second motor 113 is fixedly connected to the mounting plate 115 and is located above the mounting plate 115. The two gears 116 are respectively fixedly connected to the output end of the motor and the connecting rod 114 and are located below the mounting plate 115, and the two gears 116 are meshed with each other. The hydraulic press 112 drives the mounting plate 115 to move. After the second motor 113 is started, the two gears 116 rotate to drive the support plate 102 to move, thereby improving the adaptability of the utility model.

[0026] When using the utility model, the hydraulic press 112 drives the mounting plate 115 to move. After the second motor 113 is started, the two gears 116 rotate, driving the support plate 102 to rotate. The first motor 106 drives the first threaded rod 107 to rotate. The threads at both ends of the first threaded rod 107 are set in opposite directions, driving the two sliding bars 103 to move. The four rotating rods 110 clamp the object. The four telescopic rods 104 shrink, driving the corresponding rotating rods 110 to move to both sides to clamp the object.

[0027] Second embodiment:

[0028] See also Figure 4 , Figure 4 It is an overall structural diagram of the second embodiment of the utility model.

[0029] On the basis of the first embodiment, the utility model provides a material grabbing device, which also includes a rotating assembly, wherein the rotating assembly includes a third motor 201, a support rod 202, a fourth motor 203, two limit rods 204 and a second threaded rod 205. Through the arrangement of the above structure, the problem that the working range of the clamping tool is too small and difficult to adjust is solved.

[0030] According to this specific embodiment, the support rod 202 is fixedly connected to the output end of the third motor 201 and is located above the third motor 201. The fourth motor 203 is fixedly connected to the support rod 202 and is located on one side of the support rod 202. One end of the second threaded rod 205 is fixedly connected to the output end of the fourth motor 203, and the other end of the second threaded rod 205 is threadedly connected to the movable plate 101. One end of the two limit rods 204 is fixedly connected to the support rod 202, and the other ends of the two limit rods 204 are slidably connected to the movable plate 101 and are located on both sides of the fourth motor 203. The third motor 201 drives the support rod 202 to rotate, and the fourth motor 203 drives the second threaded rod 205 to rotate. Under the restriction of the two limit rods 204, the movable plate 101 is driven to move, thereby increasing the working range.

[0031] When using the utility model, the third motor 201 drives the support rod 202 to rotate, and the fourth motor 203 drives the second threaded rod 205 to rotate. Under the restriction of the two limit rods 204, the movable plate 101 is driven to move, so that the four rotating rods 110 move to the outside of the object, and the hydraulic press 112 drives the mounting plate 115 to move. After the second motor 113 is started, the two gears 116 rotate to drive the support plate 102 to rotate, the first motor 106 drives the first threaded rod 107 to rotate, and drives the two sliding bars 103 to move. The four rotating rods 110 clamp the object, and the four telescopic rods 104 shrink, driving the corresponding rotating rods 110 to move to both sides to clamp the object, thereby increasing the working range and improving the practicality of the utility model.

[0032] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A material grabbing device, comprising a moving plate, characterized in that: It also includes a clamping mechanism, which includes a support plate, two sliding bars, two or four telescopic rods, four springs, four clamps and a driving assembly, the support plate is arranged below the movable plate, the two sliding bars are slidably connected to the support plate and are located on both sides of the support plate, and the two sides of the sliding bars have grooves, the four clamps are slidably connected to the corresponding sliding bars and are located inside the corresponding grooves, the four telescopic rods are fixedly connected to the corresponding clamps and are located inside the corresponding grooves, the four springs are arranged on the surfaces of the corresponding telescopic rods, and the driving assembly is arranged on one side of the support plate.

2. The material grabbing device according to claim 1, characterized in that: The driving assembly includes a first motor and a first threaded rod. The first motor is fixedly connected to the support plate and is located on one side of the support plate. The first threaded rod is fixedly connected to the output end of the first motor and is located inside the support plate. The two sliding bars are threadedly connected to the first threaded rod.

3. The material grabbing device according to claim 2, characterized in that: The clamp includes a sliding block, a central axis, a rotating rod and two limit blocks. The sliding block is fixedly connected to the telescopic rod and is located inside the groove. The central axis is fixedly connected to the sliding block and is located below the sliding block. The two limit blocks are fixedly connected to the central axis and are located on the surface of the central axis. The rotating rod is rotatably connected to the central axis and is located between the two limit blocks.

4. The material grabbing device according to claim 3, characterized in that: The material grabbing device also includes an adjusting component, which includes a hydraulic press, a second motor, a connecting rod, a mounting plate and two gears. The hydraulic press is fixedly connected to the movable plate and is located below the movable plate. The mounting plate is fixedly connected to the output end of the hydraulic press and is located below the hydraulic press. One end of the connecting rod is rotatably connected to the mounting plate, and the other end of the connecting rod is fixedly connected to the support plate and is located below the mounting plate. The second motor is fixedly connected to the mounting plate and is located above the mounting plate. The two gears are respectively fixedly connected to the output end of the motor and the connecting rod and are located below the mounting plate, and the two gears are meshed with each other.

5. The material grabbing device according to claim 4, characterized in that: The material grabbing device also includes a rotating assembly, which includes a third motor, a support rod, a fourth motor, two limit rods and a second threaded rod. The support rod is fixedly connected to the output end of the third motor and is located above the third motor. The fourth motor is fixedly connected to the support rod and is located on one side of the support rod. One end of the second threaded rod is fixedly connected to the output end of the fourth motor, and the other end of the second threaded rod is threadedly connected to the movable plate. One end of the two limit rods is fixedly connected to the support rod, and the other end of the two limit rods is slidably connected to the movable plate and is located on both sides of the fourth motor.

Images