Long-handle mechanical arm

Abstract

The utility model relates to the field of mechanical arms, in particular to a long-handle mechanical arm which comprises a mounting seat, a driving assembly and an executing assembly connected to the two ends of the mounting seat, and a transmission assembly penetrating through the mounting seat, and the two ends of the transmission assembly are connected with the driving assembly and the executing assembly respectively. The transmission assembly comprises a first transmission rod and a second transmission rod arranged outside the first transmission rod in a sleeving mode. The execution assembly comprises a first fixing plate fixedly connected with the second transmission rod, the first fixing plate is provided with a fixed clamping jaw and a movable clamping jaw rotationally connected with the first fixing plate, and the movable clamping jaw is connected with the first transmission rod through a first connecting rod. According to the mechanical arm, the driving assembly which is complex and occupies a large space is far away from the machining station, and only the execution assembly which is simple in structure and occupies a small space extends into the machining station, so that the mechanical arm can operate more easily in the limited machining area space of machining; and meanwhile, the device is also suitable for being used in a smaller processing area space.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical arm technical field, especially long handle mechanical arm. BACKGROUND

[0002] When the long rod workpiece or the smaller workpiece or other special workpiece is processed, the workpiece is usually clamped by the clamping device to send the workpiece into the processing station. However, in the prior art, when the workpiece is processed by the automatic equipment, the working area space of the equipment is usually small, the existing clamping device cannot be extended, so that the feeding operation cannot be performed. In addition, the existing clamping device can only clamp the workpiece, and cannot rotate the workpiece during processing. Therefore, how to set the corresponding mechanical arm to adapt to the feeding and rotation adjustment of the special workpiece is a problem that needs to be considered by the person skilled in the art. SUMMARY

[0003] The utility model aims at providing a long handle mechanical arm to solve the problems of large diameter of the clamping feeding device and inability to rotate the workpiece in the prior art.

[0004] The technical scheme of the utility model is: a long handle mechanical arm, comprising: a mounting seat, a driving assembly and an executing assembly connected at both ends of the mounting seat, and a transmission assembly penetrating through the mounting seat and connected with the driving assembly and the executing assembly at both ends;

[0005] The transmission assembly comprises a first transmission rod and a second transmission rod sleeved outside the first transmission rod;

[0006] The executing assembly comprises a first fixed plate fixedly connected with the second transmission rod, a fixed jaw provided on the first fixed plate, and a movable jaw rotationally connected with the first fixed plate, wherein the movable jaw is connected with the first transmission rod through a first connecting rod;

[0007] When the second transmission rod rotates, the first fixed plate is driven to rotate; when the first transmission rod reciprocates along the axial direction of the second transmission rod, the movable jaw and the fixed jaw are driven to close or open through the first connecting rod.

[0008] Preferably, the driving assembly comprises a first driving device and a second driving device, the first driving device comprises a second fixed plate connected at the end of the mounting seat, a first driver connected with the second fixed plate, the first driver is connected with the first connecting rod through a triangular arm, and the triangular arm is rotationally connected with the second fixed plate; the first driver drives the triangular arm to rotate on the second fixed plate, and then drives the first connecting rod to move in the axial direction thereof;

[0009] The second driving device comprises a second driver connected on the mounting seat, a first pulley connected on the second driver, and a second pulley on the second transmission rod connected through a belt.

[0010] Preferably, the triangular arm is arranged as L-shaped and the middle part is rotationally connected with the second fixed plate, and the end connected with the first driver is provided with a first notch and a second notch which are perpendicular and cross each other.

[0011] Preferably, the end of the driving rod of the first driver is arranged in the second notch and is provided with a first pin rod penetrating through, and the two ends of the first pin rod are arranged in the first notch.

[0012] Preferably, the end connected with the first transmission rod of the triangular arm is provided with a third notch and a fourth notch which are perpendicular and cross each other.

[0013] The end of the first transmission rod is rotationally connected with a first connecting block, the first connecting block is arranged in the third notch and is provided with a second pin rod penetrating through, and the two ends of the second pin rod are arranged in the fourth notch.

[0014] Preferably, the first fixed plate is provided with a sliding groove, the sliding groove is arranged at the end of the first transmission rod, and the length direction of the sliding groove is the same as the axial direction of the first transmission rod; a sliding block is arranged in the sliding groove, the first transmission rod is fixedly connected with the sliding block, and the end of the sliding block away from the first transmission rod is rotationally connected with the first connecting rod.

[0015] Preferably, the end of the mounting seat close to the driving assembly is provided with a first bearing seat, and the first bearing seat is sleeved on the second transmission rod.

[0016] The end of the mounting seat close to the execution assembly is provided with a second bearing seat, and the second bearing seat is sleeved on the second transmission rod.

[0017] Preferably, the mounting seat is long plate-shaped.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] (1) through the setting of the long plate-shaped mounting seat, the clamped execution assembly and driving assembly are arranged at two ends respectively, in use, the driving assembly which is complex and occupies large space is far away from the machining station, and only the execution assembly which is simple in structure and occupies small space is inserted into the machining station, so that the mechanical arm can work more calmly in the limited machining area space; at the same time, it is also suitable for use in smaller machining area space.

[0020] (2) the execution assembly can complete clamping action under the driving of the first driving device and can complete rotating action under the driving of the second driving device, and in the execution process of action, the transmission assembly in the mounting seat is driven, and the mounting seat and the mechanical arm do not move, further avoiding the influence of the large action range of the mechanical arm. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model will be further described below in combination with the drawings and embodiments:

[0022] Figure 1 It is the structure diagram of long handle mechanical arm of the utility model;

[0023] Figure 2 It is the internal structure diagram of long handle mechanical arm of the utility model;

[0024] Figure 3 It is the structure diagram of drive assembly of the utility model;

[0025] Figure 4 It is the structure diagram of execution assembly of the utility model.

[0026] Among them: mounting seat 1, first bearing seat 11, second bearing seat 12;

[0027] Drive assembly 2, first drive device 21, second fixed plate 211, first driver 212, first pin rod 2121, triangular arm 213, first notch 2131, second notch 2132, third notch 2133 and fourth notch 2134, second drive device 22, second driver 221, first pulley 222;

[0028] Execution assembly 3, first fixed plate 31, sliding slot 311, fixed jaw 32, movable jaw 33, sliding block 34, first connecting rod 35;

[0029] Transmission assembly 4, first transmission rod 41, first connecting block 411, second pin rod 412, second transmission rod 42, second pulley 421. DETAILED DESCRIPTION

[0030] The content of the utility model will be further described in detail in combination with specific embodiments:

[0031] As Figures 1-4 Indicated, the utility model is applied to the clamping and feeding of workpiece to be processed in mechanical processing, and the first drive device drives the execution assembly to clamp the workpiece through the first transmission rod, the second drive device drives the execution assembly to rotate through the second transmission rod, and then the workpiece is rotated.The mounting seat is connected on the mechanical arm or conveying equipment (drawn in the figure), and the workpiece to be processed is sent into the machining station for machining by driving the mounting seat to move.Specifically:

[0032] A long handle mechanical arm, comprising: long strip and plate-shaped mounting seat 1, the plate-shaped setting can increase the strength of mounting seat 1.Connection drive assembly 2 and execution assembly 3 at both ends of mounting seat 1, and transmission assembly 4 through mounting seat 1 and connected with drive assembly 2 and execution assembly 3 at both ends respectively.

[0033] The first bearing seat 11 and the second bearing seat 12 are respectively fixedly connected to two ends of the mounting seat 1 in the length direction.

[0034] The transmission assembly 4 comprises a first transmission rod 41 and a second transmission rod 42 sleeved outside the first transmission rod 41. The first transmission rod 41 and the second transmission rod 42 both penetrate through the mounting seat 1, and the two ends of the second transmission rod 42 are respectively connected with the first bearing seat 11 and the second bearing seat 12, that is, the second transmission rod 42 can rotate on the first bearing seat 11 and the second bearing seat 12.

[0035] The execution assembly 3 comprises a first fixed plate 31 arranged at the end of the second bearing seat 12 and fixedly connected with the second transmission rod 42, a fixed jaw 32 arranged on the first fixed plate 31, and a movable jaw 33 rotationally connected with the first fixed plate 31. The end of the first transmission rod 41 is connected with a sliding block 34 which can slide in a sliding groove 311 on the first fixed plate 31; at the same time, the sliding block 34 rotationally connected with a first connecting rod 35 away from the end of the transmission rod, and the end of the first connecting rod 35 away from the sliding block 34 is rotationally connected with the movable jaw 33. When the first transmission rod 41 pushes or pulls the sliding block 34 to slide in the sliding groove 311, the movable jaw 33 rotates on the first fixed plate 31 through the transmission of the first connecting rod 35, so as to realize the opening or closing of the movable jaw 33 and the fixed jaw 32, so as to complete the action of clamping or releasing the workpiece. When the second transmission rod 42 rotates, it drives the first fixed plate 31 to rotate, and further drives the workpiece to rotate.

[0036] The driving assembly 2 comprises a first driving device 21 and a second driving device 22.

[0037] The first driving device 21 comprises a second fixed plate 211 connected at the end of the mounting seat 1, a first driver 212 connected with the second fixed plate 211, the first driver 212 connected with the first connecting rod 35 through a triangular arm 213 rotationally connected with the second fixed plate 211; the first driver 212 drives the triangular arm 213 to rotate on the second fixed plate 211, and further drives the first connecting rod 35 to move in the axial direction thereof.

[0038] The triangular arm 213 is arranged in an L shape and rotationally connected with the second fixed plate 211 at the central part. The end of the triangular arm 213 connected with the first driver 212 is provided with a first notch 2131 and a second notch 2132 perpendicular to each other and intersecting. The end of the driving rod of the first driver 212 is arranged in the second notch 2132 and is provided with a first pin rod 2121 penetrating therethrough, and the two ends of the first pin rod 2121 are arranged in the first notch 2131.

[0039] The third notch 2133 and the fourth notch 2134, which are perpendicular to each other and cross each other, are arranged at one end of the triangular arm 213 connected with the first transmission rod 41. The end of the first transmission rod 41 is connected with a first connecting block 411, the first connecting block 411 is arranged in the third notch 2133, and a second pin rod 412 is arranged to pass through the first connecting block 411, and the two ends of the second pin rod 412 are arranged to extend into the fourth notch 2134.

[0040] In the embodiment, the first driver 212 can be a driving cylinder. When the triangular arm 213 is driven to rotate, the driving rod of the first driver 212 rotates along the first pin rod 2121 in the second notch 2132, and at the same time, the first pin rod 2121 slides in the first notch 2131. At the same time, the first connecting block 411 rotates along the second pin rod 412 in the third notch 2133, and the second pin rod 412 slides in the fourth notch 2134.

[0041] When the second transmission rod 42 rotates and drives the execution assembly 3 to rotate, the execution assembly 3 drives the first transmission rod 41 to rotate, and therefore, the first connecting block 411 is rotationally connected with the first transmission rod 41 to avoid mutual interference with the movement of the triangular arm 213.

[0042] In addition, in other embodiments, a driving cylinder or a device capable of linear driving can be directly connected at the first connecting block 411 to directly drive the first transmission rod 41 to reciprocate along the axis direction thereof.

[0043] The second driving device 22 comprises a second driver 221 connected to the mounting base 1, a first pulley 222 connected to the second driver 221, and a second pulley 421 on the second transmission rod 42 connected to the first pulley 222 through a belt. The second driver 221 can be an electric motor or other device capable of driving rotation, and can be directly connected to the mounting base 1 or connected to the second fixed plate 211.

[0044] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application, therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

Claims

1. A long-handled mechanical arm, characterized in that, The utility model relates to a kind of driving device, including: Mounting seat, drive assembly and execution assembly connected at both ends of mounting seat, and transmission assembly passing through mounting seat and being connected with drive assembly and execution assembly at both ends respectively; The transmission assembly includes a first transmission rod and a second transmission rod sleeved outside the first transmission rod; The execution assembly includes a first fixed plate fixedly connected with the second transmission rod, a fixed jaw provided on the first fixed plate, and a movable jaw rotationally connected with the first fixed plate, wherein the movable jaw is connected with the first transmission rod through a first connecting rod; When the second transmission rod rotates, the first fixed plate is driven to rotate;When the first transmission rod reciprocates along the axial direction of the second transmission rod, the movable jaw is driven to close or open with the fixed jaw through the first connecting rod.

2. The long-arm robot according to claim 1, wherein: The drive assembly includes a first drive device and a second drive device, wherein the first drive device includes a second fixed plate connected to the end of the mounting seat, a first driver connected to the second fixed plate, a triangular arm connected to the first driver, and the triangular arm is rotationally connected to the second fixed plate;The first driver drives the triangular arm to rotate on the second fixed plate, and in turn drives the first connecting rod to move in the axial direction thereof; The second drive device includes a second driver connected to the mounting seat, wherein a first pulley is connected to the second driver, and the first pulley is connected to a second pulley on the second transmission rod through a belt.

3. The long arm robot according to claim 2, wherein: The triangular arm is L-shaped, and the central portion thereof is rotationally connected to the second fixed plate, wherein one end of the triangular arm connected to the first driver is provided with a first notch and a second notch perpendicular to each other and intersecting with each other.

4. The long arm robot according to claim 3, wherein: The end of the driving rod of the first driver is arranged in the second notch, and a first pin rod penetrating through the end of the driving rod is arranged, wherein both ends of the first pin rod are arranged in the first notch.

5. The long arm robot according to claim 4, wherein: One end of the triangular arm connected to the first transmission rod is provided with a third notch and a fourth notch perpendicular to each other and intersecting with each other. The end of the first transmission rod is rotationally connected to a first connecting block, wherein the first connecting block is arranged in the third notch, and a second pin rod penetrating through the first connecting block is arranged, wherein both ends of the second pin rod are arranged in the fourth notch.

6. The long arm robot according to claim 5, wherein: A sliding groove is arranged on the first fixed plate, wherein the sliding groove is arranged at the end of the first transmission rod, and the length direction of the sliding groove is the same as the axial direction of the first transmission rod;A sliding block is arranged in the sliding groove, wherein the first transmission rod is fixedly connected to the sliding block, and one end of the sliding block away from the first transmission rod is rotationally connected to the first connecting rod.

7. The long arm robot according to claim 1, wherein: A first bearing seat is arranged at one end of the mounting seat close to the drive assembly, wherein the first bearing seat is sleeved on the second transmission rod; A second bearing seat is arranged at one end of the mounting seat close to the execution assembly, wherein the second bearing seat is sleeved on the second transmission rod.

8. The long arm robot according to claim 1, wherein: The mounting seat is long plate-shaped.

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