CN206464818U - Axle journal repair machine - Google Patents

Abstract

The journal repairing machine is used to repair the surface of the journal, which has a frame, a horizontal slide rail, a horizontal slide block, a longitudinal slide rail, a vertical slide block, and a grinding motor, wherein the horizontal slide rail is fixedly connected to the frame, and the horizontal slide block One end is slidingly connected with the horizontal slide rail, the other end of the horizontal slide block is fixedly connected with the longitudinal slide rail, one end of the vertical slide block is slidingly connected with the longitudinal slide rail, and the other end of the vertical slide block is fixedly connected with the casing of the grinding motor. There is a displacement driving mechanism between the slide rail and the horizontal slide block and between the vertical slide rail and the longitudinal slide block. Through the displacement of the horizontal slide rail, the horizontal slide block and the The tool on the shaft can precisely grind the repair surface of the journal to complete the repair work, which can simplify the construction process of the journal repair, and the repair speed is fast and the cost is low.

Description

Journal repair machine

technical field

The utility model relates to the field of journal repairing equipment, and in particular provides a journal repairing machine.

Background technique

After the journal is worn, it is necessary to repair the worn part. The previous repair method is to repair the worn part and then grind the repaired part. The quality of the grinding directly affects the performance of the shaft. If the amount of grinding is too large, it needs to be reworked again. For repairing, if the amount of grinding is too small, it will cause interference after the assembly of the journal, which will easily cause production accidents, accelerate equipment aging, and affect product quality. As the equipment becomes more and more sophisticated, manual grinding can no longer meet the requirements of modern equipment operation. Usually, the repair parts of the journal are machined and ground to ensure the grinding accuracy, but the repair equipment used is usually a special lathe, and the entire shaft needs to be removed and sent to the repair workshop, and the shaft is mounted on a special lathe for grinding , due to the time-consuming and labor-intensive disassembly of the entire shaft, installation work is required after the repair, resulting in a long man-hour for the repair of the journal. In addition, when repairing the journal of a large shaft, it is necessary to use cranes and vehicles to assist disassembly and transportation , the process is cumbersome, the risk is high, and the maintenance cost is high.

Contents of the invention

The purpose of the utility model is: to provide a journal repairing machine, which can simplify the construction process of journal repair, fast repair speed and low cost.

Technical scheme one of the present utility model is: axle journal repairing machine, it is characterized in that: have frame (12), transverse slide rail, transverse slide block, longitudinal slide rail, longitudinal slide block, grinding motor, wherein transverse slide rail and The frame is fixedly connected, one end of the horizontal slider is slidingly connected with the horizontal slide rail, the other end of the horizontal slider is fixedly connected with the longitudinal slide rail, one end of the vertical slider is slidingly connected with the longitudinal slide rail, and the other end of the vertical slider is connected with the machine of the grinding motor The shells are fixedly connected, and a displacement driving mechanism is provided between the horizontal slide rail and the horizontal slide block and between the longitudinal slide rail and the longitudinal slide block.

Based on the structure of the technical scheme one, the technical scheme two of the present invention is: the frame has two supporting plates (27), and the two ends of the two supporting plates are provided with the same number of through holes (28) opposite to each other. A stud bolt (34) is all housed in each through hole, and the rod body of the stud bolt is flexibly connected with the corresponding through hole, and the two ends of the stud bolt are equipped with nuts (35) respectively, and the nut is movable with the corresponding supporting plate. Crimping; two opposite ends on the two supporting plates are equipped with symmetrically positioned traveling wheels (36), wherein at least one traveling wheel is a driving wheel (30), and a driving motor (29) is housed on the supporting plate on which the driving wheels are housed. The casing of the driving motor is fixedly connected with the supporting plate, the driving shaft of the driving motor is dynamically connected with the wheel shaft of the driving wheel, and the described transverse slide rail is fixedly mounted on one of the supporting plates.

Based on the structure of the technical solution one, the third technical solution of the present invention is: the frame is composed of a fixing seat (15) and a holding beam (17), the two ends of the holding beam are respectively equipped with connecting rods (16), One end of the connecting rod is threadedly connected with the holding beam, and the other end is rotatably connected with the fixed seat, and the described transverse slide rail is fixedly mounted on the fixed seat.

Based on the structure of the first technical solution, the fourth technical solution of the present utility model is: the frame is an electronically controlled permanent magnet chuck (13), and the described transverse slide rail is fixedly mounted on the housing of the electronically controlled permanent magnetic chuck.

Based on the structure of technical scheme two, technical scheme five of the present utility model is: described displacement driving mechanism has stepper motor (20), screw mandrel (9), the displacement driving mechanism between transverse slide rail and transverse slide block Middle: The rod body of the screw rod is threadedly connected with the horizontal slider, the two ends of the screw rod are supported by the horizontal slide rails, and the power output shaft of the stepping motor is connected to the screw rod; the displacement between the vertical slide rail and the longitudinal slider In the driving mechanism: the rod body of the screw rod is threadedly connected with the longitudinal slider, the two ends of the screw rod are movably supported by the longitudinal slide rails, and the power output shaft of the stepping motor is connected to the screw rod; one of the supporting plates is equipped with a controller (25 ), the grinding tool (2) is installed on the power output shaft of the grinding motor, the detector (32) is installed on the supporting plate or the stud bolt, the detecting end (33) of the detector is opposite to the walking path of the grinding tool, the detector’s The signal output terminal (31) is connected with the signal input terminal (24) of the controller and the signal line (26), and the electric input terminal (21) of each motor is respectively connected with the electric output terminal (23) electric wire (22) of the controller.

The utility model has the advantages that: when in use, the abrasive tool is installed on the head of the cutting motor, and the abrasive tool is placed close to the repair surface on the journal, and the frame is fixed on the equipment to be repaired or on the ground, and after the motor is turned on, it runs The equipment rotates the shaft to be repaired, the horizontal slide rail and the horizontal slide block form a horizontal slide table, the longitudinal slide rail and the longitudinal slide block form a longitudinal slide table, and the repair surface of the journal can be precisely ground through the horizontal slide table and the vertical slide table Completing the repair work can simplify the construction process of the journal repair, and the repair speed is fast and the cost is low. When the shaft to be repaired does not have the conditions for self-rotation, the shaft body can be hugged by the structure of the upper and lower supporting plates, so that the motor is placed on the shaft body, and the driving wheel can make the upper and lower supporting plates rotate around the journal. As a result, the grinding tool installed on the motor rotates around the shaft to be processed in a circumferential direction, thereby grinding the repaired part. The fixed seat, the holding beam and the two connecting rods form a square or O-shaped frame. After locking the shaft body with the frame, the motor can be fixed on the shaft body, and the motor can be moved and installed through the horizontal sliding table and the vertical sliding table. The grinding tool or milling cutter on the motor can repair the keyway on the journal or mill out a new keyway at other positions of the journal. The electronically controlled permanent magnetic chuck can be adsorbed on the shaft seat or other absorbable metal fixtures near the repaired shaft, which can make the rack layout simpler and faster.

Description of drawings

Fig. 1 is a schematic structural view of the journal repairing machine of the present invention.

Fig. 2 is a second structure schematic diagram of the journal repairing machine of the present invention.

Fig. 3 is a schematic diagram of the third structure of the journal repairing machine of the present invention.

In the figure, 1 shaft to be repaired, 2 grinding tool, 3 power output shaft of grinding motor, 4 longitudinal slider, 5 grinding motor, 6 longitudinal slide rail, 7 hand wheel, 8 connecting plate, 9 screw rod, 10 horizontal slide block, 11 horizontal slide rail, 12 frame, 13 electronically controlled permanent magnet sucker, 14 absorbable surface, 15 fixed seat, 16 connecting rod, 17 holding beam, 18 milling cutter, 19 tool holder, 20 stepper motor, 21 motor 22 electric wires, 23 electrical output terminals of the controller, 24 signal input terminals of the controller, 25 controllers, 26 signal wires, 27 pallets, 28 through holes, 29 drive motors, 30 drive wheels, 31 detection Signal output terminal of instrument, 32 detector, detection end of 33 detector, 34 stud bolt, 35 nut, 36 traveling wheel, 37 friction layer.

detailed description

The journal repairing machine has a frame 12, a transverse slide rail 11, a transverse slide block 10, a longitudinal slide rail 6, a longitudinal slide block 4, and a grinding motor 5, wherein the transverse slide rail is fixedly connected to the frame, and one end of the transverse slide block is connected to the The horizontal slide rail is slidingly connected, the other end of the horizontal slide block is fixedly connected with the longitudinal slide rail, one end of the vertical slide block is slidingly connected with the longitudinal slide rail, and the other end of the vertical slide block is fixedly connected with the casing of the grinding motor. Displacement driving mechanisms are arranged between the horizontal slider and between the longitudinal slide rail and the longitudinal slider. Usually, lubricating oil or bearings are installed between the connecting parts of the slider and the slide rail to reduce frictional resistance. The grinding motor is a grinding head motor or a high-speed motor or a servo motor with a reducer, and also includes accessories related to the above motor, such as: clamps, water pumps, water tanks, water pipes, frequency converters, knives, tool holders 19, grinding tools 2, etc., each accessory is arranged on the rack respectively according to the needs. The displacement drive mechanism is a drive mechanism used to drive the slider and the slide rail to perform relative movement. The drive mechanism can be a drive mechanism in the prior art, such as a synchronous belt structure or a screw structure. In the screw mechanism, there is also a Including the hand wheel 7 fixedly connected with the screw mandrel, shaking the hand wheel drives the slide block threadedly connected with the screw mandrel to move along the slide rail, the screw mandrel can be movably supported by the connecting plate 8, and the connecting plate is fixedly connected with the slide rail.

The above-mentioned structure is the basic structure of the journal repairing machine, which is suitable for processing after the welding repair of the damaged shaft on site. Mainly used in working conditions where the shaft can rotate. The operation process is as follows: first fix the frame, and fix the frame at a position parallel or perpendicular to the processing axis. The journal repair machine is aligned, and the journal repair machine is kept horizontally and vertically parallel to the machined axis through the dial indicator. The repaired shaft 1 needs to be in a rotating state. Start the journal repair machine to repair the repaired shaft. According to the processing needs, drive the horizontal slider to displace on the horizontal slide rail, and the vertical slider to move on the longitudinal slide rail to realize shaft repair. To and radial feed for processing. The frame is an electronically controlled permanent magnet chuck 13, and the described transverse slide rail is fixedly mounted on the housing of the electrically controlled permanent magnet chuck through an angle-adjustable bracket. Through the electronically controlled permanent magnet sucker, the frame can be fixed on the absorbable surface 14 of the machine to be repaired, the frame can be fixed conveniently, and the repairing time is shortened.

Based on the basic structure: the frame has two supporting plates 27, the two ends of the two supporting plates are provided with the same number of through holes 28 opposite to each other, and a stud bolt 34 is installed in each through hole. The rod body of the bolt is flexibly connected with the corresponding through hole, and the two ends of the stud bolt are equipped with nuts 35 respectively, and the nuts are flexibly crimped with the corresponding supporting plates; the opposite ends of the two supporting plates are equipped with symmetrical walking wheels 36 , wherein at least one of the running wheels is a driving wheel 30, a driving motor 29 is mounted on the supporting plate of the driving wheel, the casing of the driving motor is fixedly connected with the supporting plate, and the driving shaft of the driving motor is dynamically connected with the wheel shaft of the driving wheel. The horizontal slide rail described above is fixed on one of the pallets.

The journal repair machine composed of two pallets is a self-propelled journal repair machine, that is, the frame is installed on the repaired shaft 1 or its journal, and the frame rotates around the repaired shaft. Grinding the repaired surface is suitable for applications where the shaft cannot rotate after the repaired surface is exposed. The operation process is as follows: assemble and fix the journal repair machine on the repaired shaft, start the drive wheel to make the journal repair machine rotate The shaft rotates, and the grinding motor is started to rotate the abrasive tool. After running normally, the horizontal slider is driven to displace on the horizontal slide rail, and the longitudinal slider is displaced on the longitudinal slide rail to realize axial and radial feeding for processing. When driving manually, measure the surface to be repaired at intervals. When running automatically, observe the changes in the amount of data measured by the detector until the processing is completed.

The two supporting plates hug the journal through the stud bolts, so that a certain pressure is generated between the traveling wheels and the journal. When the driving wheel in the traveling wheel rotates, the frame rotates around the shaft by friction, so that the grinding The motor carries out circumferential displacement around the journal. For the machined surface, what mainly plays a grinding role is the abrasive tool rotating at a high speed on the power output shaft 3 of the grinding motor. Since the speed of the frame rotating around the shaft is relatively slow, and the number of turns around the shaft is relatively small, in order to prevent the wires from being wound on the journal, the cables can be sorted manually, and conductive slip rings can also be installed on the cables to make the cables have 360°rotation ability, can save manpower. In order to increase the frictional force between the road wheel and the journal, a friction layer 37 can be added on the outer wheel surface of the road wheel, which is a magnetic layer, a pattern layer or a rubber layer, etc. magnetic wheel.

In order to achieve the purpose of automatic repair operation, the displacement drive mechanism has a stepping motor 20 and a screw mandrel 9. In the displacement drive mechanism between the transverse slide rail and the transverse slider: the rod body of the screw mandrel is threadedly connected with the transverse slider , both ends of the screw are supported by horizontal slide rails, and the power output shaft of the stepping motor is connected to the screw rod; in the displacement drive mechanism between the longitudinal slide rail and the longitudinal slider: Threaded connection, the two ends of the screw are supported by longitudinal slide rails, the power output shaft of the stepping motor is connected with the screw; a controller 25 is installed on one of the supporting plates, and the grinding tool 2 is installed on the power output shaft of the grinding motor. , a tester 32 is installed on the supporting plate or the stud, and the detection end 33 of the tester is opposite to the walking path of the abrasive tool, and the signal output terminal 31 of the tester is connected with the signal input terminal 24 of the controller and the signal line 26. The electrical input terminals 21 are respectively connected to the electrical output terminals 23 of the controller with wires 22 .

The controller is a single-chip microcomputer or an industrial computer, which at least includes a computing unit, a storage unit, a digital-to-analog conversion unit, an interface unit, a human-computer interaction unit, a display unit, etc., and also includes an external remote controller, a wireless signal transceiver unit, etc., to control The detector is used to receive the signal data measured by the detector, and control the operation of each motor according to the preset program, thereby forming a journal repair machine capable of automatic processing, which can save man-hours and increase accuracy. The detector refers to the smoothness of the metal surface. Surface roughness detector, metal surface roughness detector, electronic micrometer, metal flaw detector, macro range finder, etc. The above-mentioned detection instruments can be used in combination, and the electronic signals measured by each instrument are transmitted to the signal of the controller through the signal line Receiving end.

Based on the basic structure: the frame is composed of a fixed seat 15 and a holding beam 17, the two ends of the holding beam are respectively equipped with connecting rods 16, and one end of the two connecting rods is threadedly connected with the holding beam, and the other end is rotatably connected with the fixing seat. The above-mentioned horizontal slide rail is fixed on the fixed seat.

The journal repair machine whose frame is composed of a fixed seat and a beam is a fixed journal repair machine, that is, the frame is fixed on the shaft or journal, and can repair and polish the axially repaired parts. With the function of on-site keyway milling, it provides a new method for repairing mechanical parts on site. It is mainly used for machining keyways without dismantling the equipment after the keyway on the shaft is damaged. The operation process is as follows: fix the repaired shaft 1, determine the position of the keyway to be reprocessed; clean the surface of the shaft, draw the line for processing the keyway; fix the journal repair machine on the shaft; install the milling cutter 18 according to the processing size and carry out Adjustment; turn on the grinding motor to make the milling cutter rotate, drive the horizontal slider to move on the horizontal slide rail, and the longitudinal slider to move on the longitudinal slide rail to realize axial and radial feed, and complete milling according to the processing size requirements .

Claims (5)

1. The journal repairing machine is characterized in that: it has a frame (12), a transverse slide rail (11), a transverse slide block (10), a longitudinal slide rail (6), a longitudinal slide block (4), a grinding motor ( 5), wherein the horizontal slide rail is fixedly connected with the rack, one end of the horizontal slide block is slidingly connected with the horizontal slide rail, the other end of the horizontal slide block is fixedly connected with the vertical slide rail, one end of the vertical slide block is slidingly connected with the vertical slide rail, and the vertical slide block The other end is fixedly connected with the casing of the grinding motor, and a displacement driving mechanism is arranged between the described transverse slide rail and the transverse slide block and between the longitudinal slide rail and the longitudinal slide block. 2. The journal repairing machine according to claim 1, characterized in that: the frame has two supporting plates (27), and the two ends of the two supporting plates are provided with the same number of opposite through holes (28) ), a stud bolt (34) is installed in each through hole, and the rod body of the stud bolt is flexibly connected with the corresponding through hole, and nuts (35) are respectively installed at the two ends of the stud bolt, and the nut is connected with the corresponding bracket The plates are movable and crimped; the opposite ends of the two supporting plates are equipped with symmetrical walking wheels (36), wherein at least one of the driving wheels is a driving wheel (30), and a driving motor (29) is installed on the supporting plate with the driving wheels. ), the casing of the driving motor is fixedly connected with the supporting plate, the driving shaft of the driving motor is dynamically connected with the axle of the driving wheel, and the described transverse slide rail is fixedly mounted on one of the supporting plates. 3. The journal repairing machine according to claim 1, characterized in that: the frame is composed of a fixed seat (15) and a beam (17), and connecting rods (16) are respectively installed at both ends of the beam , one end of the two connecting rods is threadedly connected with the holding beam, and the other end is rotationally connected with the fixing seat, and the described transverse slide rail is fixedly mounted on the fixing seat. 4. The journal repairing machine according to claim 1, characterized in that: the frame is an electronically controlled permanent magnet chuck (13), and the described transverse slide rail is fixed on the housing of the electronically controlled permanent magnet chuck superior. 5. The journal repairing machine according to claim 2, characterized in that: the displacement drive mechanism has a stepping motor (20), a screw mandrel (9), and the displacement between the transverse slide rail and the transverse slide block In the driving mechanism: the rod body of the screw rod is threadedly connected with the horizontal slider, the two ends of the screw rod are supported by the horizontal slide rails, and the power output shaft of the stepping motor is connected with the screw rod power; between the longitudinal slide rail and the longitudinal slider In the displacement driving mechanism: the rod body of the screw rod is threadedly connected with the longitudinal slider, the two ends of the screw rod are supported by the vertical slide rails, the power output shaft of the stepping motor is connected with the screw rod power; one of the supporting boards is equipped with a controller (25), the grinding tool (2) is installed on the power output shaft of the grinding motor, and the detector (32) is installed on the supporting plate or the stud bolt. The detection end of the detector is opposite to the walking path of the grinding tool, and the signal of the detector The output end is connected with the signal line of the signal input end of the controller, and the electric input end of each motor is respectively connected with the electric wires of the electric output end of the controller.