Truss manipulator for crankshaft multi-process machining

Abstract

The utility model relates to the technical field of crankshaft machining, in particular to a truss manipulator for crankshaft multi-procedure machining. Comprising a top plate, supporting legs and an auxiliary mechanism, and the auxiliary mechanism comprises a first guide rail, a horizontal sliding seat, a rack, a second guide rail, a vertical sliding seat, a horizontal driving device, a vertical driving device and a clamping device. The vertical driving device is matched with the second guide rail, the horizontal driving device is matched with the first guide rail and the rack for linkage, horizontal movement, vertical lifting and positioning of the clamping device are achieved, then the clamping device acts to achieve crankshaft clamping, further, the vertical driving device and the horizontal driving device are linked, a workpiece can be conveyed to next equipment to be machined, and machining efficiency is improved. In this way, during crankshaft multi-procedure machining, rapid feeding and discharging between multi-procedure crankshaft machining equipment can be achieved, the workpiece transfer time is shortened, the machining efficiency is improved, and automatic production and machining are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of crankshaft processing, in particular to a truss manipulator for crankshaft multi-process processing. Background Art

[0002] The crankshaft is the most important component in the operation of the engine. It bears the force transmitted by the connecting rod and converts it into torque, which is output through the crankshaft and drives other accessories on the engine. When working, the crankshaft is required to have sufficient strength and rigidity, and the journal surface is required to be wear-resistant, work evenly and have good balance.

[0003] Crankshaft rough machining currently widely uses CNC lathes, CNC internal milling machines, CNC turning and broaching machines and other advanced equipment to perform CNC turning, internal milling, and turning-broaching on the main journal and connecting rod journal to effectively reduce the deformation of the crankshaft machining. CNC-controlled crankshaft grinders are currently widely used for fine grinding of the journals. This type of grinder will be equipped with automatic dynamic balancing device for grinding wheels, automatic tracking device for center frames, automatic measurement, automatic compensation device, automatic dressing of grinding wheels, constant linear speed and other functional requirements to ensure the stability of grinding quality.

[0004] In the traditional processing method, when the crankshaft is undergoing turning, milling, grinding and other processes, the crankshaft workpiece is mostly transferred manually before proceeding to the next process. That is, during processing, the completed workpiece is first placed on a pallet and then transferred to the next processing equipment for further processing. Multiple processes require multiple transfers, which increases product processing time and reduces processing efficiency. This method is also difficult to achieve automated production and processing. Utility Model Content

[0005] The purpose of the utility model is to provide a truss manipulator for multi-process processing of crankshafts, which is designed to realize rapid loading and unloading between multi-process crankshaft processing equipment during multi-process processing of crankshafts, thereby reducing workpiece transfer time, improving processing efficiency, and realizing automated production and processing.

[0006] To achieve the above-mentioned purpose, the utility model provides a truss manipulator for crankshaft multi-process processing, comprising a top plate and supporting feet, wherein the supporting feet are fixedly connected to the top plate and are located on both sides of the top plate, and further comprising an auxiliary mechanism;

[0007] The auxiliary mechanism includes a first guide rail, a horizontal slide, a rack, a second guide rail, a vertical slide, a horizontal drive device, a vertical drive device and a clamping device. The first guide rail is fixedly connected to the top plate and is located on both sides of the top plate. The horizontal slide is fixedly connected to the first guide rail and is located on the first guide rail. The rack is fixedly connected to the top plate and is located on a side of the top plate close to the first guide rail. The second guide rail is fixedly connected to the horizontal slide and is located on the front side of the horizontal slide. The vertical slide is fixedly connected to the second guide rail and is located on the second guide rail. The horizontal drive device is located on a side of the horizontal slide close to the rack. The vertical drive device is arranged on a side of the horizontal slide close to the vertical slide. The clamping device is arranged below the vertical slide.

[0008] Among them, the horizontal driving device includes a horizontal servo motor and a gear, the horizontal servo motor is fixedly connected to the horizontal slide and is located on the horizontal slide; the gear is fixedly connected to the output shaft of the horizontal servo motor, meshes with the rack, and is located on the output shaft of the horizontal servo motor.

[0009] Among them, the vertical drive device includes a vertical servo motor and a ball screw, the vertical servo motor is fixedly connected to the horizontal slide and is located on the top of the horizontal slide; the ball screw is rotatably connected to the horizontal slide, the ball screw is detachably connected to the vertical slide, and is fixedly connected to the output shaft of the vertical servo motor, and is located on the side of the vertical servo motor close to the vertical slide.

[0010] Wherein, the clamping device includes a suspension arm and a pneumatic manipulator body, the suspension arm is fixedly connected to the vertical slide and is located below the vertical slide; the pneumatic manipulator body is fixedly connected to the suspension arm and is located below the suspension arm.

[0011] Wherein, the auxiliary mechanism also includes a support plate and a cooling fan, the support plate is fixedly connected to the horizontal slide and is located on the side of the horizontal slide away from the vertical slide; the cooling fan is fixedly connected to the support plate and is located on the support plate.

[0012] The utility model discloses a truss manipulator for multi-process processing of crankshafts, wherein the supporting feet are installed on both sides of the top plate to realize the fixing of the equipment. When the equipment is installed, it is installed on one side above the equipment for multiple processing processes in sequence, the first guide rail is installed on the top plate, the linear slider equipped therewith is connected to the horizontal slide seat by bolts, the rack is installed on the top plate, the second guide rail is installed on the horizontal slide seat, the linear slider equipped therewith is connected to the vertical slide seat by bolts, the horizontal driving device is located on the side of the horizontal slide seat close to the rack, the vertical driving device is arranged on the side of the horizontal slide seat close to the vertical slide seat, the clamping device is arranged below the vertical slide seat, and during processing, When one process equipment is completed, the automatic protective door of the equipment opens, the vertical drive device cooperates with the second guide rail, and the horizontal drive device cooperates with the first guide rail and the rack to perform linkage to realize horizontal movement and vertical lifting of the clamping device for positioning. Then, the clamping device is actuated to clamp the crankshaft. Further, the vertical drive device and the horizontal drive device are linked to transport the workpiece to the next equipment for processing, thereby realizing rapid loading and unloading between multi-process crankshaft processing equipment when performing multi-process processing of the crankshaft, which is beneficial to reduce the workpiece transfer time, improve processing efficiency, and realize automated production and processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] 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.

[0014] Figure 1 It is a schematic diagram of the overall structure of a truss manipulator for multi-process machining of a crankshaft according to the first embodiment of the utility model.

[0015] Figure 2 It is a left view of a truss robot for crankshaft multi-process processing according to the first embodiment of the utility model.

[0016] Figure 3 It is a schematic diagram of the overall structure of a truss manipulator for multi-process machining of a crankshaft according to the second embodiment of the utility model.

[0017] In the figure: 101-top plate, 102-supporting foot, 103-first guide rail, 104-horizontal slide, 105-rack, 106-second guide rail, 107-vertical slide, 108-horizontal servo motor, 109-gear, 110-vertical servo motor, 111-ball screw, 112-hanging arm, 113-pneumatic manipulator body, 201-support plate, 202-cooling fan. 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] Embodiment 1:

[0020] like Figure 1 and Figure 2 As shown, Figure 1 This is the overall structural diagram of the truss manipulator for crankshaft multi-process processing. Figure 2 It is a left view of a truss manipulator for multi-process processing of crankshafts. The utility model provides a truss manipulator for multi-process processing of crankshafts: including a top plate 101, a support foot 102 and an auxiliary mechanism, the auxiliary mechanism including a first guide rail 103, a horizontal slide 104, a rack 105, a second guide rail 106, a vertical slide 107, a horizontal drive device, a vertical drive device and a clamping device, the horizontal drive device including a horizontal servo motor 108 and a gear 109, the vertical drive device including a vertical servo motor 110 and a ball screw 111, and the clamping device including a boom 112 and a pneumatic manipulator body 113. Through the above scheme, it is possible to realize fast loading and unloading between multi-process crankshaft processing equipment during multi-process processing of crankshafts, which is conducive to reducing the workpiece transfer time, improving processing efficiency, and realizing automated production and processing. It can be understood that the above scheme can improve processing efficiency and realize automated production and processing during multi-process processing of crankshafts.

[0021] In this embodiment, the support foot 102 is fixedly connected to the top plate 101 and is located on both sides of the top plate 101. The support foot 102 has an I-shaped cross-section and is installed on the top plate 101 by bolts for equipment installation and fixation. The bottom of the support foot 102 is fixed by anchor bolts. When the equipment is installed, it will be installed above a multi-process processing equipment, and the processing equipment will be arranged in sequence according to the processing process.

[0022] Among them, the first guide rail 103 is fixedly connected to the top plate 101 and is located on both sides of the top plate 101, the horizontal slide 104 is fixedly connected to the first guide rail 103 and is located on the first guide rail 103, the rack 105 is fixedly connected to the top plate 101 and is located on the side of the top plate 101 close to the first guide rail 103, the second guide rail 106 is fixedly connected to the horizontal slide 104 and is located on the front side of the horizontal slide 104, the vertical slide 107 is fixedly connected to the second guide rail 106 and is located on the second guide rail 106, the horizontal driving device is located on the side of the horizontal slide 104 close to the rack 105, the vertical driving device is arranged on the side of the horizontal slide 104 close to the vertical slide 107, and the clamping device is arranged below the vertical slide 107. The first guide rail 103 adopts a linear rail and is installed on the top plate 101 by bolts. The linear slider equipped therein is connected to the horizontal slide 104 by bolts. The first guide rail 103 can be spliced ​​and increased. The rack 105 is installed on the top plate 101 by bolts. The rack 105 can be spliced ​​and increased. The second guide rail 106 adopts a linear rail and is installed on the horizontal slide 104 by bolts. The linear slider equipped therein is connected to the vertical slide 107 by bolts. The horizontal driving device is located on the side of the horizontal slide 104 close to the rack 105, and is used to realize horizontal movement of the clamping device. The vertical driving device is arranged on the side of the horizontal slide 104 close to the vertical slide 107, and is used to realize vertical lifting of the clamping device. The clamping device is arranged below the vertical slide 107 and is used to clamp the crankshaft.

[0023] Secondly, the horizontal servo motor 108 is fixedly connected to the horizontal slide 104 and is located on the horizontal slide 104; the gear 109 is fixedly connected to the output shaft of the horizontal servo motor 108, meshed with the rack 105, and located on the output shaft of the horizontal servo motor 108. The horizontal servo motor 108 is equipped with a brake mechanism and an encoder to facilitate stop lock and position control. It is installed on the horizontal slide 104 by bolts. When actually used, limit plates are installed on both sides of the top plate 101. Photoelectric switches are installed on the limit plates to perform horizontal movement limit protection for the horizontal slide 104. The gear 109 is installed on the output shaft of the horizontal servo motor 108 by a flat key and bolts, and meshed with the rack 105.

[0024] Then, the vertical servo motor 110 is fixedly connected to the horizontal slide 104 and is located at the top of the horizontal slide 104; the ball screw 111 is rotationally connected to the horizontal slide 104, the ball screw 111 is detachably connected to the vertical slide 107, and is fixedly connected to the output shaft of the vertical servo motor 110, and is located on the side of the vertical servo motor 110 close to the vertical slide 107. The vertical servo motor 110 is equipped with a brake mechanism and an encoder to facilitate stopping, locking the shaft and position control. It is installed on the horizontal slide 104 by bolts. In actual use, limit plates are installed on both vertical sides of the horizontal slide 104, and photoelectric switches are installed on the limit plates to perform vertical movement limit protection for the vertical slide 107. Shaft ends are installed on both sides of the ball screw 111, which are respectively installed on the detachable bearing seats of the horizontal slide 104 through rotating bearings. The matching nut of the ball screw 111 is installed on the vertical slide 107 by bolts. The ball screw 111 is close to the shaft end of the vertical servo motor 110 and is connected to the output shaft of the vertical servo motor 110 through a rigid coupling.

[0025] Finally, the boom 112 is fixedly connected to the vertical slide 107 and is located below the vertical slide 107; the pneumatic manipulator body 113 is fixedly connected to the boom 112 and is located below the boom 112. The boom 112 has an I-shaped cross section and is suspended on the vertical slide 107 by bolts. The top frame of the pneumatic manipulator body 113 is connected to the boom 112 by bolts. The pneumatic manipulator body 113 can be replaced with different sizes and models according to usage. The pneumatic manipulator body 113 uses a cylinder to push the clamps symmetrically arranged on both sides to approach, so that a circular cavity is formed under the matching clamps, which can clamp and fix the main shaft necks on both sides of the crankshaft. At the same time, the working cable of the equipment adopts a combination of an external accordion bracket and a movable cable. The accordion bracket is respectively arranged on the horizontal slide 104 and the vertical slide 107.

[0026] When using the utility model to perform multi-process crankshaft processing, rapid loading and unloading between multi-process crankshaft processing equipment can be achieved, which is beneficial to reducing the workpiece transfer time, improving processing efficiency, and realizing automated production and processing. During processing, when one process equipment is completed, the automatic protection door of the equipment is opened, and the vertical servo motor 110 is activated to drive the vertical slide 107 to rise and fall, and cooperate with the second guide rail 106 to realize the vertical lifting of the pneumatic manipulator body 113. At the same time, the horizontal servo motor 108 is activated to drive the gear 109 to rotate, and under the cooperation of the first guide rail 103 and the rack 105, the horizontal slide 104 is horizontally moved, and finally the pneumatic manipulator body 113 is horizontally moved. The horizontal servo motor 108 and the vertical servo motor 110 are linked to realize horizontal movement and vertical lifting of the clamping device for positioning. Then, after the pneumatic manipulator body 113 reaches the clamping point, it is clamped first. Then, after the control system receives the clamping signal, the spindle chuck of the processing equipment is relaxed and the tail tip is retracted to realize the relaxation of the workpiece. Further, the vertical drive device and the horizontal drive device are linked to realize the vertical lifting and horizontal movement of the pneumatic manipulator body 113, so that the workpiece can be transported to the next equipment for processing, thereby realizing fast loading and unloading between multi-process crankshaft processing equipment when performing multi-process crankshaft processing, which is conducive to reducing the workpiece transfer time, improving processing efficiency, and realizing automated production and processing.

[0027] Embodiment 2:

[0028] like Figure 3 As shown, Figure 3 It is a schematic diagram of the overall structure of a truss manipulator for multi-process processing of a crankshaft. On the basis of the first embodiment, the utility model provides a truss manipulator for multi-process processing of a crankshaft. The auxiliary mechanism also includes a support plate 201 and a cooling fan 202.

[0029] The support plate 201 is fixedly connected to the horizontal slide 104 and is located on the side of the horizontal slide 104 away from the vertical slide 107; the cooling fan 202 is fixedly connected to the support plate 201 and is located on the support plate 201. The support plate 201 is mounted on the horizontal slide 104 by bolts, and the cooling fan 202 is mounted on the support plate 201 by bolts.

[0030] In this embodiment, by providing the support plate 201 and the cooling fan 202 , after the cooling fan 202 is in operation, heat can be dissipated when the horizontal servo motor 108 is in operation.

[0031] 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 truss manipulator for crankshaft multi-process processing, comprising a top plate and supporting legs, wherein the supporting legs are fixedly connected to the top plate and are located on both sides of the top plate, characterized in that: It also includes auxiliary institutions; The auxiliary mechanism includes a first guide rail, a horizontal slide, a rack, a second guide rail, a vertical slide, a horizontal drive device, a vertical drive device and a clamping device. The first guide rail is fixedly connected to the top plate and is located on both sides of the top plate. The horizontal slide is fixedly connected to the first guide rail and is located on the first guide rail. The rack is fixedly connected to the top plate and is located on a side of the top plate close to the first guide rail. The second guide rail is fixedly connected to the horizontal slide and is located on the front side of the horizontal slide. The vertical slide is fixedly connected to the second guide rail and is located on the second guide rail. The horizontal drive device is located on a side of the horizontal slide close to the rack. The vertical drive device is arranged on a side of the horizontal slide close to the vertical slide. The clamping device is arranged below the vertical slide.

2. The truss robot for crankshaft multi-process processing according to claim 1, characterized in that: The horizontal driving device includes a horizontal servo motor and a gear. The horizontal servo motor is fixedly connected to the horizontal slide and is located on the horizontal slide. The gear is fixedly connected to the output shaft of the horizontal servo motor, meshes with the rack, and is located on the output shaft of the horizontal servo motor.

3. The truss robot for crankshaft multi-process processing according to claim 1, characterized in that: The vertical drive device includes a vertical servo motor and a ball screw. The vertical servo motor is fixedly connected to the horizontal slide and is located on the top of the horizontal slide. The ball screw is rotatably connected to the horizontal slide, the ball screw is detachably connected to the vertical slide, and is fixedly connected to the output shaft of the vertical servo motor, and is located on the side of the vertical servo motor close to the vertical slide.

4. The truss robot for crankshaft multi-process processing according to claim 1, characterized in that: The clamping device comprises a suspension arm and a pneumatic manipulator body. The suspension arm is fixedly connected to the vertical slide and is located below the vertical slide; the pneumatic manipulator body is fixedly connected to the suspension arm and is located below the suspension arm.

5. The truss robot for crankshaft multi-process processing according to claim 1, characterized in that: The auxiliary mechanism also includes a support plate and a cooling fan. The support plate is fixedly connected to the horizontal slide and is located on a side of the horizontal slide away from the vertical slide. The cooling fan is fixedly connected to the support plate and is located on the support plate.

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