Automatic broach replacing equipment and control method thereof

Abstract

The invention relates to the technical field of broach replacement, in particular to automatic broach replacement equipment and a control method thereof.The automatic broach replacement equipment comprises a broach replacement structure and a conversion structure, the upper end of the broach replacement structure is fixedly connected with the conversion structure, the conversion structure is in butt joint with a broach setting structure, and a hydraulic pull rod controls the broach setting structure to conduct telescopic adjustment; the tool setting structure is butted and fixed with the broach mechanism on the conversion structure; the tool setting structure can be in butt joint and fixed with the butt joint part through a butt joint shaft, an adaptive key and an adaptive groove, a hydraulic pull rod controls the tool setting structure to integrally move transversely, so that the butt joint shaft and the butt joint part are in extrusion contact and are locked through hydraulic pressure, a stepping motor drives a first fluted disc to rotate through a speed reducer, and the first fluted disc is meshed with a second fluted disc; the butt joint shaft is locked in the adaptive butt joint groove seat; and the tool changing structure is used for rotating and adjusting the broach mechanism. Through the arrangement of the structure, the purpose of conveniently changing the broaching tool is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of broach changing technology, and in particular to automatic broach changing equipment and a control method thereof. Background Art

[0002] The tenon and groove of a wheel disc is an important technical problem in the aviation manufacturing industry. The processing of the tenon and groove of a wheel disc requires the use of a broaching machine, which is a machine tool that uses a broach as a tool to process through holes, planes and formed surfaces of workpieces. Broaching can achieve higher dimensional accuracy and less surface roughness, with high productivity, and is suitable for batch mass production. Most broaching machines only have the broach as the main motion for linear broaching, but no feed motion.

[0003] According to Chinese patent publication number CN109513989A, applicable to the technical field of tool changing equipment, there is provided an automatic tool changing device for broaches, comprising a supporting body, a broach clamping assembly for clamping the broach, and a lifting assembly for driving the broach clamping assembly to reciprocate and adjust the position of clamping the broach in the first direction, the lifting assembly is connected to the supporting body, and also comprises a first position adjusting member for automatically adjusting the position of the broach clamping assembly for clamping the broach in the second direction and a tool clamping assembly for automatically clamping the broach, the broach clamping assembly is connected to the lifting assembly, the first position adjusting member is arranged at the connection between the broach clamping assembly and the lifting assembly, and the tool clamping assembly is arranged on the broach clamping assembly, and the provided automatic tool changing device for broaches realizes the automatic replacement of broaches, and the replacement operation is convenient, saving time and effort. At the same time, it can also ensure the safety of the staff.

[0004] At present, the existing automatic broach replacement equipment and its control method as well as the above-mentioned case are not convenient for high-stability rapid tool setting when in use, and the accuracy and firmness of the tool setting cannot be guaranteed. At the same time, the broach requires increased pulling force, which is prone to loosening and causing production accidents. Therefore, improvements are made to the above-mentioned problems. Summary of the invention

[0005] In view of the problems in the prior art, the present invention provides an automatic broach replacement device and a control method thereof.

[0006] The technical solution adopted by the present invention to solve the technical problem is: an automatic broach changing device and a control method thereof, comprising a tool changing structure and a conversion structure, wherein the upper end of the tool changing structure is fixedly connected with the conversion structure, and the conversion structure is docked with the tool setting structure, and the hydraulic pull rod controls the telescopic adjustment of the tool setting structure, so that the tool setting structure is docked and fixed with the broaching mechanism on the conversion structure; The tool setting structure can be fixed with the docking part through the docking shaft, the adapter key and the adapter groove, and the hydraulic pull rod controls the overall lateral movement of the tool setting structure, so that the docking shaft and the docking part are squeezed and contacted, and locked by hydraulic pressure, and the stepper motor drives the first gear plate to rotate through the reducer, and the first gear plate is meshed with the second gear plate, so that the docking shaft is locked in the adapter docking groove seat; The tool changing structure is used to adjust the rotation of the broaching mechanism. The rotating motor drives the first connecting shaft to rotate through the second connecting shaft, so that the first rotating disk and the second rotating disk rotate along the circumference, and the position of the broaching mechanism on the limiting groove ring is changed. A longitudinal groove is provided on the top of the limiting groove ring to guide the broaching mechanism. The conversion structure is used to limit the broaching mechanism, and the control motor is fixed to the regulating gear disc so that the clamping claw rotates to provide limit support for the broaching mechanism. The third telescopic controller adjusts the longitudinal position so that the broaching mechanism is aligned with the docking shaft.

[0007] Specifically, it also includes a first frame and a connecting pipe. A hydraulic pull rod is fixedly installed at the center of the first frame, and a connecting pipe is fixedly provided on the side of the first frame. The side end of the connecting pipe is connected to the nozzle to conduct the cutting fluid. The hydraulic pull rod drives the tool setting structure to telescopically adjust. A liquid guiding structure is fixedly connected to the side of the first frame close to the nozzle, and the liquid guiding structure guides and discharges the cutting fluid. The side end of the first frame is also fixed to the tool changing structure, and the upper end of the tool changing structure is fixedly connected to the conversion structure.

[0008] Specifically, the tool setting structure includes a docking end seat, a stepper motor is installed on the docking end seat, the stepper motor drives the first toothed disc to rotate through a reducer, the lower end of the first toothed disc is meshedly connected with the second toothed disc, the second toothed disc rotates with the docking end seat through a bearing ring seat, the docking end seat is located on one side of the bearing ring seat and is fixedly connected to a side frame, a first telescopic controller is installed on the side frame, the first telescopic controller controls the longitudinal telescopic adjustment of the latch teeth, and the side end of the second toothed disc is fixedly connected to a docking shaft, an adapter key and an adapter groove are provided on the docking shaft, and the setting of the first frame facilitates the installation of a connecting pipe and a nozzle, the connecting pipe is connected to the nozzle, and can guide the cutting Cutting fluid is used to facilitate the broaching work. The setting of the tool structure can quickly dock with the broaching mechanism. The docking end seat can be telescopically adjusted through the hydraulic pull rod. The stepper motor can control the reducer and the rotation of the first gear disc. The first gear disc is meshed with the second gear disc, so that the second gear disc rotates and cooperates on the bearing ring seat, driving the docking shaft, the adapter key, and the adapter groove to rotate. When the docking shaft, the adapter key, and the adapter groove reach the inside of the broaching mechanism, they are rotated 10 degrees, which can lock the adapter key and the broaching mechanism to a limit position. After that, the first telescopic controller can control the extension of the card teeth to limit the second gear disc to prevent the second gear disc from rotating, and the tool changing work can be completed.

[0009] Specifically, the liquid guiding structure includes a second frame, on which a second telescopic controller is fixedly mounted. The second telescopic controller controls the telescopic adjustment of the drainage pipe, the connecting pipeline, and the movable drainage plate, and the lower end of the movable drainage plate is connected to the drainage pipe through the connecting pipeline.

[0010] Specifically, the tool changing structure includes a third frame, and a rotating motor is installed on one side of the third frame. The rotating motor controls the rotation and adjustment of the tool changing component, and a workpiece limit seat is fixedly connected to the side of the third frame away from the rotating motor. Through the structural setting of the liquid guide structure, the second telescopic controller can change the position of the guide pipe, the connecting pipeline, and the movable guide plate through telescopic means, so that the movable guide plate can be connected to the lower end of the workpiece limit seat, and the cutting fluid can be guided into the connecting pipeline through the movable guide plate, and then the drainage processing work is carried out through the guide pipe. The setting of the second frame facilitates the installation support of the second telescopic controller.

[0011] Specifically, the tool changing component includes a broaching mechanism and a regulating mechanism. The broaching mechanism is stored on the regulating mechanism. The broaching mechanism consists of a docking part and a broach. The docking part and the broach are fixedly connected. The docking part is composed of an adapting docking groove seat, a hydraulic controller, a connecting liquid guide seat, a docking connecting end seat, an extrusion fitting rod, and a telescopic limit rod. The side end of the docking connecting end seat is fixed to the adapting docking groove seat, and a connecting liquid guide seat is installed on the docking connecting end seat. The side end of the connecting liquid guide seat is connected to the hydraulic controller. The hydraulic controller controls the telescopic adjustment of the telescopic limit rod, and an extrusion fitting rod is provided at the center of the docking connecting end seat. The extrusion fitting rod changes the hydraulic state in the connecting liquid guide seat by pressing, and the extension of the telescopic limit rod is controlled by the hydraulic controller.

[0012] Specifically, the regulating mechanism includes a second connecting shaft, and the second connecting shaft controls the first rotating disk and the second rotating disk to rotate on the bearing disk block through the first connecting shaft, and the second rotating disk is provided with a groove body, and the side end of the limiting groove ring is fixedly connected with a fixed bottom block, the bearing disk block is fixed to the first frame, and the first rotating disk is provided with a matching groove. The structural setting of the tool changing structure facilitates the conversion of the tool body, and the rotating motor is installed on the third frame, and the rotating motor can control the second connecting shaft in the tool changing component to rotate, drive the first connecting shaft, the first rotating disk, and the second rotating disk to rotate synchronously, so that the broaching mechanism moves on the second rotating disk, changes the position of the broaching mechanism, and makes the broaching mechanism reach the topmost position, which is convenient for guiding through the groove body on the limiting groove ring.

[0013] Specifically, the conversion structure includes a fourth frame, on which a third telescopic controller is installed, the third telescopic controller controls the telescopic connection of the conversion processing component, a partition is fixedly connected to the lower part of the fourth frame, the conversion processing component includes a telescopic connecting rod, the lower end of the telescopic connecting rod is fixed to the connecting frame, a control motor is installed at the side end of the connecting frame, the control motor controls the rotation of the regulating gear disc, and a claw is fixedly connected to the side end of the regulating gear disc, four regulating gear discs are provided, which are divided into two groups, each group of regulating gear discs are meshed and connected, and a driven telescopic rod is hinged on the claw, the upper end of the driven telescopic rod is hinged to the docking hinge frame, and the docking hinge frame is fixed to the telescopic connecting rod. Through the structural setting of the conversion structure, it is convenient to carry out the connection and docking work, the third telescopic controller can change the height of the conversion processing component, the control motor can drive the regulating gear disc to rotate, so that the two regulating gear discs rotate symmetrically, act on the claw, so that the claw moves, and the broach is limited and fixed, and the setting of the driven telescopic rod can cooperate to connect, thereby improving the stability of the adjustment, thereby guiding the docking part and the broach to the same horizontal position as the docking axis.

[0014] Specifically, the third telescopic controller controls the telescopic link to extend and retract, and the two claws can limit the broach. The third telescopic controller and the conversion processing component remove the broach mechanism from the regulating mechanism, and the second connecting shaft is driven by the first connecting shaft, the first rotating disk, and the second rotating disk, driving the broach mechanism to rotate in the limit groove ring.

[0015] A control method for an automatic broach changing device comprises the following steps: S1, send the execution command, and adjust the position of different tools according to the number; S2, run the check to see if it is executed; S3, when executed, rotate and change the corresponding tool position so that the tool with the specified number reaches the top position; S4, simultaneously converting the structure to convert the docking instruction; S5, the tool setting structure executes the broach docking instruction; S6. When the system check is not performed, a maintenance alarm instruction is issued.

[0016] Beneficial effects of the present invention: First, the present invention facilitates the installation of the connecting pipe and the nozzle through the arrangement of the first frame. The connecting pipe is connected to the nozzle to guide and discharge the cutting fluid, which is convenient for the broaching work. The arrangement of the tool setting structure can be quickly docked with the broaching mechanism. The docking end seat can be telescopically adjusted through the hydraulic pull rod. The stepper motor can control the reducer and the first gear disc to rotate. The first gear disc is meshed with the second gear disc, so that the second gear disc rotates and cooperates on the bearing ring seat, driving the docking shaft, the adapter key, and the adapter groove to rotate. When the docking shaft, the adapter key, and the adapter groove reach the inside of the broaching mechanism, they rotate 10 degrees, which can lock the adapter key and the broaching mechanism to a limit position. After that, the first telescopic controller can control the extension of the card teeth to limit the second gear disc to prevent the second gear disc from rotating, thereby completing the tool changing work.

[0017] Second, the present invention adopts the structural setting of the liquid guiding structure. The second telescopic controller can change the position of the guide pipe, the connecting pipeline and the movable guide plate through extension and retraction, so that the movable guide plate can be connected with the lower end of the workpiece limit seat, and the cutting fluid can be guided into the connecting pipeline through the movable guide plate, and then the drainage processing work is carried out through the guide pipe. The setting of the second frame facilitates the installation support of the second telescopic controller.

[0018] Third, the present invention facilitates the conversion of the tool body through the structural setting of the tool changing structure. The rotating motor is installed on the third frame, and the rotating motor can control the second connecting shaft in the tool changing component to rotate, driving the first connecting shaft, the first rotating disk, and the second rotating disk to rotate synchronously, so that the tool pulling mechanism moves on the second rotating disk, changes the position of the tool pulling mechanism, and makes the tool pulling mechanism reach the topmost position, which is convenient for guiding through the groove body on the limit groove ring.

[0019] Fourth, the present invention facilitates the docking and tool changing work through the structural setting of the docking part. The docking part is fixed to the broach, the adapter docking slot in the docking part is adapted to the adapter key, and the adapter key can rotate in the adapter docking slot for locking. The extrusion fitting rod can act on the connecting liquid guide seat by pressing, so that the connecting liquid guide seat controls the movement of the hydraulic oil and acts on the hydraulic controller to extend the telescopic limit rod, thereby performing the limit locking work of the adapter slot.

[0020] Fifth, the present invention facilitates the connection and docking work through the structural setting of the conversion structure. The third telescopic controller can change the height of the conversion processing component. The control motor can drive the regulating gear disc to rotate, so that the two regulating gear discs rotate symmetrically, acting on the claws to move the claws to limit and fix the broach. The setting of the driven telescopic rod can cooperate with the connection, thereby improving the stability of the adjustment, thereby guiding the docking part and the broach to the same horizontal position as the docking axis. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from the front perspective; Figure 2 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from a side perspective; Figure 3 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from a rear perspective; Figure 4 It is a schematic diagram of the three-dimensional structure of the knife setting structure in the present invention from the front perspective; Figure 5 It is a three-dimensional diagram of the liquid guiding structure in the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the tool changing structure in the present invention from the front perspective; Figure 7 It is a three-dimensional diagram of the tool changing component in the present invention; Figure 8 It is a three-dimensional diagram of the broaching mechanism in the present invention; Fig. 9 It is a disassembled diagram of the docking part in the present invention; Fig.10 It is a three-dimensional side view of the butt-jointed connecting end seat in the present invention; Fig.11 It is a three-dimensional diagram of the regulating mechanism in the present invention; Fig.12 is a three-dimensional diagram of the conversion structure in the present invention; Fig.13 A three-dimensional diagram of a conversion processing component in the present invention; Fig.14 The figure is a flow chart of the main method of the present invention.

[0023] In the figure: 1-first frame, 2-connecting pipe, 3-tool setting structure, 4-liquid guiding structure, 5-sprinkler, 6-tool changing structure, 7-conversion structure, 8-hydraulic pull rod, 9-stepping motor, 10-docking end seat, 11-reducer, 12-first gear plate, 13-side frame, 14-first telescopic controller, 15-grip, 16-bearing ring seat, 17-second gear plate, 18-docking shaft, 19-adapter key, 20-adapter slot, 21-second frame, 22-second telescopic controller, 23-guide pipe, 24-connecting pipeline, 25-movable guide plate, 26-workpiece limit seat, 27-tool changing component, 28-third frame, 29-rotating motor, 30-broach Mechanism, 31-regulating mechanism, 32-docking part, 33-broach, 34-adaptive docking groove seat, 35-hydraulic controller, 36-connecting liquid guide seat, 37-docking connecting end seat, 38-extrusion fitting rod, 39-telescopic limit rod, 40-first connecting shaft, 41-first rotating disk, 42-second rotating disk, 43-bearing disk block, 44-limiting groove ring, 45-fixed bottom block, 46-second connecting shaft, 47-third telescopic controller, 48-fourth frame, 49-partition, 50-conversion processing component, 51-telescopic connecting rod, 52-connecting frame, 53-control motor, 54-claw, 55-regulating gear disc, 56-driven telescopic rod, 57-docking hinge frame. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0025] The present invention is further described below in conjunction with the accompanying drawings.

[0026] Example like Figure 1-14As shown, an automatic broach changing device and a control method thereof of the present invention include a tool changing structure 6 and a conversion structure 7, the upper end of the tool changing structure 6 is fixedly connected with the conversion structure 7, and the conversion structure 7 is docked with the tool setting structure 3, and the hydraulic pull rod 8 controls the telescopic adjustment of the tool setting structure 3, so that the tool setting structure 3 is docked and fixed with the broaching mechanism 30 on the conversion structure 7, and also includes a first frame 1 and a connecting pipe 2, the center of the first frame 1 is fixedly installed with a hydraulic pull rod 8, the side of the first frame 1 is fixedly provided with a connecting pipe 2, the side end of the connecting pipe 2 is connected with the nozzle 5 to conduct the cutting fluid, the hydraulic pull rod 8 drives the tool setting structure 3 to telescopically adjust, the side of the first frame 1 close to the nozzle 5 is fixedly connected with a liquid guiding structure 4, the liquid guiding structure 4 guides and discharges the cutting fluid, the side end of the first frame 1 is also fixed to the tool changing structure 6, and the upper end of the tool changing structure 6 is fixedly connected to the conversion structure 7.

[0027] The tool setting structure 3 includes a docking end seat 10, on which a stepper motor 9 is installed. The stepper motor 9 drives the first toothed disc 12 to rotate through a reducer 11. The lower end of the first toothed disc 12 is meshedly connected with the second toothed disc 17. The second toothed disc 17 rotates with the docking end seat 10 through a bearing ring seat 16. The docking end seat 10 is located on one side of the bearing ring seat 16 and is fixedly connected with a side frame 13. A first telescopic controller 14 is installed on the side frame 13. The first telescopic controller 14 controls the longitudinal telescopic adjustment of the latching tooth 15, and a docking shaft 18 is fixedly connected to the side end of the second toothed disc 17. An adapter key 19 and an adapter groove 20 are provided on the docking shaft 18. The workpiece to be processed is limited at the side end of the workpiece limiting seat 26 by a mechanical arm, and then the tool setting structure 3 performs tool setting. The hydraulic pull rod 8 controls the extension of the tool setting structure 3 so that the docking shaft 18 contacts the extrusion fitting rod 38 on the docking connecting end seat 37. At this time, the hydraulic oil in the connecting liquid guide seat 36 is pressurized and transmitted to the hydraulic controller 35, so that the telescopic limit rod 39 extends and moves. At the same time, the stepper motor 9 controls the reducer 11 and the first toothed disc 12 to rotate, and the first toothed disc 12 drives the second toothed disc 17 to mesh and rotate, so that the second toothed disc 17 moves through the bearing ring seat 16, and the position of the docking shaft 18, the adapter key 19, and the adapter groove 20 is changed, so that the adapter groove 20 is aligned and connected with the telescopic limit rod 39, and limited locking is performed. At the same time, the docking shaft 18 is locked in the keyway limit position in the adapter docking groove seat 34 through the adapter key 19 to ensure the stability of the connection. After that, the first telescopic controller 14 controls the extension of the latch tooth 15, so that the latch tooth 15 contacts and limits the second toothed disc 17 to ensure stable performance. After that, the hydraulic pull rod 8 can pull the broaching mechanism 30 to move through the tool setting structure 3 to perform part processing.

[0028] The liquid guiding structure 4 includes a second frame 21, on which a second telescopic controller 22 is fixedly installed. The second telescopic controller 22 controls the telescopic adjustment of the drain pipe 23, the connecting pipeline 24, and the movable guide plate 25, and the lower end of the movable guide plate 25 is connected to the drain pipe 23 through the connecting pipeline 24. When processing parts, the second telescopic controller 22 controls the drain pipe 23, the connecting pipeline 24, and the movable guide plate 25 to change their positions, so that the movable guide plate 25 reaches the lower end of the workpiece limit seat 26. At the same time, the connecting pipe 2 can introduce cutting fluid through the nozzle 5 to facilitate the cutting process. The waste liquid is discharged into the drain pipe 23 through the movable guide plate 25 and the connecting pipeline 24 to perform waste liquid conduction work. After the broaching mechanism 30 is aligned with the tool setting structure 3, the conversion structure 7 will also be reset to cancel the restriction on the broaching mechanism 30.

[0029] The tool changing structure 6 comprises a third frame 28 , a rotating motor 29 is installed on one side of the third frame 28 , the rotating motor 29 controls the rotation adjustment of the tool changing component 27 , and a workpiece limiting seat 26 is fixedly connected to one side of the third frame 28 away from the rotating motor 29 .

[0030] The tool changing component 27 includes a broaching mechanism 30 and a regulating mechanism 31. The broaching mechanism 30 is stored on the regulating mechanism 31. The broaching mechanism 30 is composed of a docking part 32 and a broach 33. The docking part 32 and the broach 33 are fixedly connected. The docking part 32 is composed of an adapting docking groove seat 34, a hydraulic controller 35, a connecting liquid guide seat 36, a docking connecting end seat 37, an extrusion fitting rod 38, and a telescopic limit rod 39. The side end of the docking connecting end seat 37 is fixed to the adapting docking groove seat 34, and a connecting liquid guide seat 36 is installed on the docking connecting end seat 37. The side end of the connecting liquid guide seat 36 is connected to the hydraulic controller 35. The hydraulic controller 35 controls the telescopic adjustment of the telescopic limit rod 39, and an extrusion fitting rod 38 is provided in the center of the docking connecting end seat 37. The extrusion fitting rod 38 changes the hydraulic state in the connecting liquid guide seat 36 by pressing. 5 controls the telescopic limit rod 39 to extend. When it is necessary to change the tool, the first telescopic controller 14 controls the latching tooth 15 to reset, and at the same time the stepping motor 9 controls the reducer 11 and the first toothed disc 12 to rotate in the opposite direction, so that the docking shaft 18, the adapter key 19 and the adapter groove 20 are reset and rotated, and the oil in the hydraulic controller 35 is returned to the inside of the connecting liquid guide seat 36 through the oil circuit control. At this time, the telescopic limit rod 39 retracts, so that the docking shaft 18 contacts and locks the adapter docking groove seat 34, and then pulls back, so that the broaching mechanism 30 is separated from the tool setting structure 3, and then the conversion structure 7 is controlled to work, and the broaching mechanism 30 is placed on the second rotating disk 42. Then the rotating motor 29 continues to control the second connecting shaft 46 to rotate, so that the first connecting shaft 40 drives the first rotating disk 41 and the second rotating disk 42 to move, and the broaching mechanism 30 is adjusted to a suitable position, and the knife-loading action is repeated.

[0031] The regulating mechanism 31 includes a second connecting shaft 46, which controls the first rotating disk 41 and the second rotating disk 42 to rotate on the bearing disk block 43 through the first connecting shaft 40, and a groove body is opened on the second rotating disk 42, and a fixed bottom block 45 is fixedly connected to the side end of the limiting groove ring 44, the bearing disk block 43 is fixed to the first frame 1, and a matching groove is opened on the first rotating disk 41.

[0032] The conversion structure 7 includes a fourth frame 48, on which a third telescopic controller 47 is installed. The third telescopic controller 47 controls the telescopic connection of the conversion processing component 50. A partition 49 is fixedly connected to the lower part of the fourth frame 48. The conversion processing component 50 includes a telescopic connecting rod 51. The lower end of the telescopic connecting rod 51 is fixed to a connecting frame 52. A control motor 53 is installed on the side end of the connecting frame 52. The control motor 53 controls the rotation of a regulating toothed disc 55, and a claw 54 is fixedly connected to the side end of the regulating toothed disc 55. There are four regulating toothed discs 55, which are divided into two groups. Each group of regulating toothed discs 55 is meshed and connected, and a driven telescopic rod 56 is hinged on the claw 54. The upper end of the driven telescopic rod 56 is hinged to a docking hinge frame 57. The docking hinge frame 57 is fixed to the telescopic connecting rod 51. The rotating motor 29 works to drive the second connecting shaft 46 to rotate. The side end of the second connecting shaft 46 is connected to the first rotating disk 41 and the first rotating disk 41 through the first connecting shaft 40. The second rotating disk 42 is fixed and can drive the first rotating disk 41 and the second rotating disk 42 to move on the limiting groove ring 44, so that the broaching mechanism 30 follows and moves between the second rotating disk 42 and the limiting groove ring 44. The appropriate broaching mechanism 30 is adjusted to the topmost position. At this time, the conversion structure 7 works, and the third telescopic controller 47 in the conversion structure 7 controls the conversion processing component 50 to descend. When the broaching mechanism 30 is in the supporting position of the claw 54, the control motor 53 at this time controls the regulating toothed disk 55 to rotate, so that the regulating toothed disk 55 drives the claw 54 to rotate, and at the same time, the driven telescopic rod 56 hingedly arranged on the claw 54 cooperates with the telescopic adjustment, and at the same time, the two misaligned claws 54 move to limit and clamp the broaching mechanism 30, so that the broaching mechanism 30 can be supported. Then the third telescopic controller 47 controls the telescopic connecting rod 51 to move up and adjust it to the same horizontal position as the tool setting structure 3.

[0033] The third telescopic controller 47 controls the telescopic link 51 to extend and retract, and the two claws 54 can limit the broach 33. The third telescopic controller 47 and the conversion processing component 50 remove the broach mechanism 30 from the regulating mechanism 31, and the second connecting shaft 46 is driven by the first connecting shaft 40, the first rotating disk 41, and the second rotating disk 42 to drive the broach mechanism 30 to rotate in the limiting groove ring 44.

[0034] A control method for an automatic broach changing device comprises the following steps: S1, send the execution command, and adjust the position of different tools according to the number; S2, run the check to see if it is executed; S3, when executed, rotate and change the corresponding tool position so that the tool with the specified number reaches the top position; S4, simultaneously converting the structure to convert the docking instruction; S5, the tool setting structure executes the broach docking instruction; S6. When the system check is not performed, a maintenance alarm instruction is issued.

[0035] The working principle is as follows: when in use, the motor 29 is first rotated to work, driving the second connecting shaft 46 to rotate. The side end of the second connecting shaft 46 is fixed to the first rotating disk 41 and the second rotating disk 42 through the first connecting shaft 40, and can drive the first rotating disk 41 and the second rotating disk 42 to move on the limiting groove ring 44, so that the broaching mechanism 30 follows and moves between the second rotating disk 42 and the limiting groove ring 44. The appropriate broaching mechanism 30 is adjusted to the topmost position. At this time, the conversion structure 7 works, and the third telescopic controller 47 in the conversion structure 7 controls the conversion The processing component 50 descends, and when the broaching mechanism 30 is in the supporting position of the clamping claw 54, the control motor 53 at this time controls the regulating gear disc 55 to rotate, so that the regulating gear disc 55 drives the clamping claw 54 to rotate, and at the same time, the driven telescopic rod 56 hingedly arranged on the clamping claw 54 cooperates with the telescopic adjustment, and at the same time, the two misaligned clamping claws 54 move, and the broaching mechanism 30 is limited and clamped, so that the broaching mechanism 30 can be supported. Then, the third telescopic controller 47 controls the telescopic connecting rod 51 to move up and adjust it to the same horizontal position as the tool setting structure 3, and then the workpiece to be processed is The workpiece is limited at the side end of the workpiece limit seat 26 by the mechanical arm, and then the tool setting structure 3 performs the tool setting work. The hydraulic pull rod 8 controls the tool setting structure 3 to extend, so that the docking shaft 18 contacts and presses the extrusion matching rod 38 on the docking connecting end seat 37. At this time, the hydraulic oil in the connecting liquid guide seat 36 is pressurized and transmitted to the hydraulic controller 35, so that the telescopic limit rod 39 extends and moves. At the same time, the stepper motor 9 controls the reducer 11 and the first gear plate 12 to rotate, and the first gear plate 12 drives the second gear plate 17 to mesh and rotate, so that the second gear plate 17 passes through the bearing ring seat 1 6 moves, changes the position of the docking shaft 18, the adapter key 19, and the adapter groove 20, so that the adapter groove 20 is aligned and connected with the telescopic limit rod 39, and is limited and locked. At the same time, the docking shaft 18 is limited and locked in the keyway in the adapter docking groove seat 34 through the adapter key 19 to ensure the stability of the connection. Then the first telescopic controller 14 controls the extension of the latch tooth 15, so that the latch tooth 15 is contacted and limited with the second toothed disc 17 to ensure the stability. Then the hydraulic pull rod 8 can pull the broaching mechanism 30 to move through the tool setting structure 3 to perform the processing of the parts; When it is necessary to change the tool, the first telescopic controller 14 controls the locking tooth 15 to reset, and at the same time the stepping motor 9 controls the reducer 11 and the first toothed disc 12 to rotate in the opposite direction, so that the docking shaft 18, the adapter key 19, and the adapter groove 20 are reset and rotated, and the oil in the hydraulic controller 35 is returned to the inside of the connecting liquid guide seat 36 through the oil circuit control. At this time, the telescopic limit rod 39 retracts, so that the docking shaft 18 contacts and locks the adapter docking groove seat 34, and then pulls back to disengage the broaching mechanism 30 from the tool setting structure 3, and then controls the conversion structure 7 to work, placing the broaching mechanism 30 on the second rotating disk 42, and then the rotating motor 29 continues to control the second connecting shaft 46 to rotate, so that the first connecting shaft 40 drives the first rotating disk 41 and the second rotating disk 42 to move, and adjusts to a suitable broaching mechanism 30, and repeats the knife-loading action; During part processing, the second telescopic controller 22 controls the guide pipe 23, the connecting pipeline 24, and the movable guide plate 25 to change their positions, so that the movable guide plate 25 reaches the lower end of the workpiece limit seat 26. At the same time, the connecting pipe 2 can introduce cutting fluid through the nozzle 5 to facilitate the cutting process. The waste liquid is guided into the guide pipe 23 through the movable guide plate 25 and the connecting pipeline 24 to conduct the waste liquid. After the broaching mechanism 30 and the tool setting structure 3 are aligned, the conversion structure 7 will also be reset to cancel the restriction on the broaching mechanism 30.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic broach replacement device, characterized in that: It comprises a tool changing structure (6) and a conversion structure (7), wherein the upper end of the tool changing structure (6) is fixedly connected to the conversion structure (7), and the conversion structure (7) is docked with the tool setting structure (3), and the hydraulic pull rod (8) controls the telescopic adjustment of the tool setting structure (3), so that the tool setting structure (3) and the tool pulling mechanism (30) on the conversion structure (7) are docked and fixed; The tool setting structure (3) can be fixedly connected to the docking part (32) by means of a docking shaft (18), an adapting key (19), and an adapting groove (20), and the hydraulic pull rod (8) controls the overall lateral movement of the tool setting structure (3), so that the docking shaft (18) and the docking part (32) are in squeeze contact and locked by means of hydraulic pressure, and has a locking function; The tool changing structure (6) is used to adjust the rotation of the broaching mechanism (30). The rotating motor (29) drives the first connecting shaft (40) to rotate via the second connecting shaft (46), so that the first rotating disk (41) and the second rotating disk (42) rotate in a circular pattern, thereby changing the position of the broaching mechanism (30) on the limiting groove ring (44). A longitudinal groove is provided on the top of the limiting groove ring (44) to guide the broaching mechanism (30). The conversion structure (7) performs position limiting of the broaching mechanism (30), the control motor (53) is fixed to the regulating toothed disc (55), the claw (54) rotates to perform position limiting support of the broaching mechanism (30), the third telescopic controller (47) performs longitudinal position adjustment, and the broaching mechanism (30) is aligned with the docking shaft (18).

2. The automatic broach changing device according to claim 1, characterized in that: The invention also comprises a first frame (1) and a connecting pipe (2). A hydraulic pull rod (8) is fixedly installed at the center of the first frame (1). A connecting pipe (2) is fixedly provided on the side of the first frame (1). The side end of the connecting pipe (2) is connected to the nozzle (5) to conduct the cutting fluid. The hydraulic pull rod (8) drives the tool setting structure (3) to be telescopically adjusted. A liquid guiding structure (4) is fixedly connected to a side of the first frame (1) close to the nozzle (5). The liquid guiding structure (4) guides and discharges the cutting fluid. The side end of the first frame (1) is also fixed to the tool changing structure (6). The upper end of the tool changing structure (6) is fixedly connected to the conversion structure (7).

3. The automatic broach changing device according to claim 2, characterized in that: The tool setting structure (3) comprises a docking end seat (10), a stepper motor (9) is mounted on the docking end seat (10), the stepper motor (9) drives a first toothed disc (12) to rotate via a reducer (11), a second toothed disc (17) is meshedly connected to a lower end of the first toothed disc (12), the second toothed disc (17) rotates with the docking end seat (10) via a bearing ring seat (16), the docking end seat (10) is located on one side of the bearing ring seat (16) and is fixedly connected to a side frame (13), a first telescopic controller (14) is mounted on the side frame (13), the first telescopic controller (14) controls the longitudinal telescopic adjustment of the latching teeth (15), and a docking shaft (18) is fixedly connected to a side end of the second toothed disc (17), an adaptor key (19) and an adaptor groove (20) are provided on the docking shaft (18).

4. The automatic broach changing device according to claim 3 is characterized in that: The liquid guiding structure (4) comprises a second frame (21), on which a second telescopic controller (22) is fixedly mounted, the second telescopic controller (22) controlling the telescopic adjustment of the drainage pipe (23), the connecting pipeline (24), and the movable drainage plate (25), and the lower end of the movable drainage plate (25) is connected to the drainage pipe (23) via the connecting pipeline (24).

5. The automatic broach changing device according to claim 4, characterized in that: The tool changing structure (6) comprises a third frame (28), a rotating motor (29) is mounted on one side of the third frame (28), the rotating motor (29) controls the rotation adjustment of the tool changing component (27), and a workpiece limiting seat (26) is fixedly connected to a side of the third frame (28) away from the rotating motor (29).

6. The automatic broach changing device according to claim 5, characterized in that: The tool changing component (27) comprises a broaching mechanism (30) and a regulating mechanism (31). The broaching mechanism (30) is stored on the regulating mechanism (31). The broaching mechanism (30) comprises a docking portion (32) and a broach (33). The docking portion (32) and the broach (33) are fixedly connected. The docking portion (32) is connected to the connecting member by means of an adaptable docking groove seat (34), a hydraulic controller (35), a connecting liquid guide seat (36), a docking connecting end seat (37), an extrusion fitting rod (38), and a telescopic limit rod (39). The side end of the end seat (37) is fixed to the matching docking groove seat (34), and a connecting liquid guide seat (36) is installed on the docking connecting end seat (37). The side end of the connecting liquid guide seat (36) is connected to a hydraulic controller (35). The hydraulic controller (35) controls the telescopic adjustment of the telescopic limit rod (39). An extrusion fitting rod (38) is provided at the center of the docking connecting end seat (37). The extrusion fitting rod (38) changes the hydraulic state in the connecting liquid guide seat (36) by pressing, and controls the extension of the telescopic limit rod (39) by the hydraulic controller (35).

7. The automatic broach changing device according to claim 6, characterized in that: The regulating mechanism (31) comprises a second connecting shaft (46), the second connecting shaft (46) controls the first rotating disk (41) and the second rotating disk (42) to rotate on the bearing disk block (43) through the first connecting shaft (40), and the second rotating disk (42) is provided with a groove body, the side end of the limiting groove ring (44) is fixedly connected to a fixed bottom block (45), the bearing disk block (43) is fixed to the first frame (1), and the first rotating disk (41) is provided with a matching groove.

8. The automatic broach changing device according to claim 7, characterized in that: The conversion structure (7) comprises a fourth frame (48), a third telescopic controller (47) is mounted on the fourth frame (48), the third telescopic controller (47) controls the conversion processing component (50) to be telescopically connected, a partition (49) is fixedly connected to the lower part of the fourth frame (48), the conversion processing component (50) comprises a telescopic connecting rod (51), the lower end of the telescopic connecting rod (51) is fixed to a connecting frame (52), a control motor (53) is mounted on the side end of the connecting frame (52), the control motor (53) controls the rotation of a regulating toothed disc (55), and a clamping claw (54) is fixedly connected to the side end of the regulating toothed disc (55), four regulating toothed discs (55) are provided, which are divided into two groups, each group of regulating toothed discs (55) is meshedly connected, and a driven telescopic rod (56) is hingedly provided on the clamping claw (54), the upper end of the driven telescopic rod (56) is hingedly connected to a docking hinge frame (57), and the docking hinge frame (57) is fixed to the telescopic connecting rod (51).

9. The automatic broach changing device according to claim 8, characterized in that: The third telescopic controller (47) controls the telescopic connecting rod (51) to extend and retract, and the two claws (54) can limit the position of the broach (33). The third telescopic controller (47) and the conversion processing component (50) remove the broach mechanism (30) from the regulating mechanism (31), and the second connecting shaft (46) is driven by the first connecting shaft (40), the first rotating disk (41), and the second rotating disk (42), thereby driving the broach mechanism (30) to rotate in the limiting groove ring (44).

10. A control method for an automatic broach changing device, using the automatic broach changing device according to claim 9, characterized in that: The following steps are involved: S1, send the execution command, and adjust the position of different tools according to the number; S2, run the check to see if it is executed; S3, when executed, rotate and change the corresponding tool position so that the tool with the specified number reaches the top position; S4, simultaneously converting the structure to convert the docking instruction; S5, the tool setting structure executes the broach docking instruction; S6. When the system check is not performed, a maintenance alarm instruction is issued.

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