Guide rail end face machining device
Technical Field
The utility model relates to the technical field of guide rail processing, in particular to a guide rail end face processing device.
Background
Along with the continuous improvement of the industrial automation level, the requirements of most of automation equipment on motion precision, speed, stability and the like are also gradually strict, and the linear guide rail is used as an industrial product and can meet the requirements of high precision, high speed, high stability, high load and the like of the automation equipment. The required stroke of some large-scale equipment is long, and because the length of a single linear guide rail is limited, the linear guide rail needs to be spliced, and therefore, the end face processing treatment is required to be carried out on the spliced surface. The splicing guide rail has extremely high requirements on the processing end face, in order to prevent the axial elongation caused by thermal expansion when the linear guide rail moves, the splicing gap is between 0.03mm and 0.05mm, and meanwhile, the installation hole spacing at the two sides of the splicing part is equal to the standard hole spacing.
The existing guide rail end face machining equipment is used for manually positioning, the distance between the linear guide rail machining end face and the nearest fixed hole is determined through a vernier caliper, the required machining size is determined, the distance from the linear guide rail machining end face to a grinding wheel of a grinding machine is measured after the linear guide rail is fixed, the measured numerical value is input to a central control end of the grinding machine, grinding quantity is input, machining is performed after the grinding machine is started, and manual detection is performed after the machining is completed. The method has the advantages of long detection time, poor precision, high requirement on the experience of workers and low detection efficiency.
Therefore, a processing device dedicated to the end face of the linear guide rail is required to more precisely ensure the processing size of the end face of the linear guide rail and improve the processing precision.
Disclosure of utility model
The utility model aims to provide a guide rail end face machining device which aims at the defects of the prior art and comprises a detection bed, a machining assembly, a fixing assembly, a conveying assembly and an electric control assembly, wherein the machining assembly, the fixing assembly and the electric control assembly are arranged on the detection bed, and one end, close to the electric control assembly, of the detection bed is connected with the conveying assembly;
The detection bed comprises a welding lathe bed, a shield, a visual sensor, a DD motor support, a DD motor, a positioning contact support, a positioning contact and a limiting sensor, wherein the shield is arranged above the welding lathe bed, the visual sensor is arranged on the shield, the DD motor support and the positioning contact support are both arranged on the side wall of the welding lathe bed, the DD motor support is provided with the DD motor, the positioning contact support is provided with the positioning contact, the DD motor is connected with the positioning contact to enable the positioning contact to rotate, and the limiting sensor is arranged at the upper corner of the side wall of the welding lathe bed to limit the movement of a processing assembly.
The middle part of the shield is provided with a hinge.
The machining assembly comprises a moving plate, a reciprocating guide rail, a module guide rail, a limit sensor sheet metal, a speed reducing motor connecting plate, a rotary disc, a connecting rod, a spindle motor plate, a grinding wheel protecting cover, a grinding wheel fixing head, a grinding wheel and a grinding wheel fixing head nut, wherein the reciprocating guide rail is arranged on the moving plate, the module is arranged on the module guide rail, the moving plate is arranged on a detection bed through the module guide rail, the limit sensor sheet metal is arranged on the side face of the moving plate and is matched with the limit sensor to limit the movement of the machining assembly, the speed reducing motor is fixed on the moving plate through the speed reducing motor connecting plate, the rotary disc is arranged on the speed reducing motor and is fixedly connected with the spindle motor plate through the connecting rod, the spindle motor is arranged on the spindle motor plate, the grinding wheel is fixed on the grinding wheel fixing head through the grinding wheel fixing head nut, and the grinding wheel fixing head passes through the grinding wheel protecting cover and is fixed on the spindle motor.
The fixing assembly comprises a fixing base plate, a fixing backup plate, a clamping pressing plate guide, a fixing cylinder support, a fixing cylinder, a compressing cylinder support, a compressing cylinder, a flexible pressing block and a lifting roller, wherein the fixing backup plate and the fixing cylinder support are fixed on the fixing base plate, the lifting roller is arranged below the fixing base plate, the fixing cylinder support is provided with the fixing cylinder, the clamping pressing plate guide penetrates through the fixing cylinder support to be fixed on the clamping pressing plate, the compressing cylinder is arranged on the compressing cylinder support, the flexible pressing block is arranged at the top end of a cylinder rod of the compressing cylinder, and the compressing cylinder support is arranged on the fixing cylinder support.
The lifting roller comprises an air cylinder frame, an air cylinder, a lifting bearing frame, a lifting bearing, a roller frame and a roller, wherein the air cylinder is arranged on the air cylinder frame, the lifting bearing frame is arranged at the top end of an air cylinder rod of the air cylinder, the lifting bearing is arranged in the lifting bearing frame, the roller is arranged in the middle of the roller frame, and the roller frame is arranged on the air cylinder frame.
The conveying assembly comprises a servo motor, a motor speed reducer, a motor support, a bevel gear, a movable guide rail, a guide rail clamp, a bevel gear rack and a transmission roller frame, wherein the servo motor is fixedly connected with the motor speed reducer, the motor speed reducer is fixed on the motor support, the bevel gear is arranged at the output end of the motor speed reducer, the guide rail clamp is arranged on the movable guide rail, the movable guide rail is fixedly connected with the motor support, and the movable guide rail and the bevel gear rack are both arranged on the transmission roller frame.
The electric control assembly comprises a control screen and a control cabinet, and the control screen is arranged above the control cabinet.
The utility model has the beneficial effects that:
1. The device can automatically control the linear guide rail to move, and the positioning end firstly positions the linear guide rail and then positions the grinding wheel which is worn out quantitatively after being used, so that the processing size of the end face of the linear guide rail can be ensured more accurately.
2. The fixed end of the linear guide rail is of an open structure, can be compatible with linear guide rails of various specifications, is provided with a lifting roller, can prevent the linear guide rail from being scratched when moving and positioning, can completely fix the linear guide rail after being lowered, and improves the processing precision.
3. The device adopts the vision sensor to detect terminal surface processingquality and end pitch size, has improved measurement accuracy.
4. The device can rapidly measure, record and judge when detecting the project, and output a detection report, thereby improving the detection speed.
5. The device does not need manual reading, reduces manual intervention, has simple structure and easy operation, and saves labor cost.
Drawings
Fig. 1 is an overall schematic view of a rail end face processing apparatus of the present utility model.
FIG. 2 is a schematic diagram of a test bed.
Fig. 3 is a perspective assembly view of the tooling assembly.
Fig. 4 is a perspective assembly view of the fixing assembly.
Fig. 5 is a schematic view of a lifting roller.
Fig. 6 is a sectional view of the lifting roller.
Fig. 7 (a) and (b) are schematic operation diagrams of the lifting roller.
Fig. 8 is a perspective assembly view of the transfer assembly.
Fig. 9 is a schematic diagram of an electrical control assembly.
Detailed Description
The utility model provides a guide rail end face machining device, and the guide rail end face machining device is further described below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is an overall schematic view of a rail end face processing apparatus of the present utility model. The device comprises a detection bed 1, a processing assembly 2, a fixing assembly 3, a conveying assembly 4 and an electric control assembly 5. The rail 6 to be processed is placed on the conveyor assembly 4 to be processed.
FIG. 2 is a schematic diagram of a test bed. The detection bed 1 comprises a welding lathe bed 11, a shield 12, a visual sensor 13, a DD motor bracket 14, a DD motor 15, a positioning contact bracket 16, a positioning contact 17 and a limit sensor 18. The shield 12 is mounted on the welding lathe bed 11, the shield 12 can be lifted through a hinge, the visual sensor 13 is mounted on the shield 12, the DD motor bracket 14 is mounted on the welding lathe bed 11, the DD motor 15 is mounted on the DD motor bracket 14, the positioning contact 17 is mounted on the positioning contact bracket 16, and the rotation is performed through the DD motor 15. The limit sensor 18 is mounted on the welding bed 11 to limit the movement of the processing module 2.
Fig. 3 is a perspective assembly view of the tooling assembly. The processing assembly 2 comprises a moving plate 21, a reciprocating guide rail 22, a module 23, a module guide rail 24, a limit sensor sheet metal 25, a gear motor 26, a gear motor connecting plate 27, a turntable 28, a connecting rod 29, a spindle motor 210, a spindle motor plate 211, a grinding wheel shield 212, a grinding wheel fixing head 213, a grinding wheel 214 and a grinding wheel fixing head nut 215. The movable plate 21 is provided with a reciprocating guide rail 22, and the movable plate 21 is mounted on the inspection bed 1 through a module 23 and a module guide rail 24. The limit sensor sheet metal 25 is installed on the side surface of the moving plate 21, and cooperates with the limit sensor 18 to limit the movement of the processing assembly 2. The gear motor 26 is fixed on the moving plate 21 through a gear motor connecting plate 27, the turntable 28 is mounted on the gear motor 26, the connecting rod 29 fixes the turntable 28 and the spindle motor plate 211, the spindle motor 210 is mounted on the spindle motor plate 211, the grinding wheel 214 is fixed on the grinding wheel fixing head 213 through a grinding wheel fixing head nut 215, and the grinding wheel fixing head 213 is fixed on the spindle motor 210 through a grinding wheel shield 212. The gear motor 26 drives the turntable 28 to rotate, so that the connecting rod 29 drives the spindle motor plate 211 to reciprocate, and the spindle motor 210 drives the grinding wheel 214 to process the guide rail 6 to be processed.
Fig. 4 is a perspective assembly view of the fixing assembly. The fixing assembly 3 comprises a fixing bottom plate 31, a fixing backup plate 32, a clamping pressure plate 33, a clamping pressure plate guide 34, a fixing cylinder bracket 35, a fixing cylinder 36, a pressing cylinder bracket 37, a pressing cylinder 38, a flexible pressing block 39 and a lifting roller 310. The fixed backup plate 32 and the fixed cylinder bracket 35 are fixed on the fixed bottom plate 31, the lifting roller 310 is arranged below the fixed bottom plate 31, the fixed cylinder 36 is arranged on the fixed cylinder bracket 35, and the clamping pressure plate guide 34 passes through the fixed cylinder bracket 35 to fix the clamping pressure plate 33 with the fixed cylinder 36. The compaction cylinder 38 is installed on the compaction cylinder bracket 37, the flexible pressing block 39 is installed at the top end of the cylinder rod, and the compaction cylinder bracket 37 is installed on the fixed cylinder bracket 35.
Fig. 5 and 6 are schematic diagrams and sectional views of the lifting roller, respectively. The lifting roller 310 includes an air cylinder frame 3101, an air cylinder 3102, a lifting bearing frame 3103, a lifting bearing 3104, a roller frame 3105, and a roller 3106. The cylinder 3102 is mounted on a cylinder frame 3101, a jacking bearing frame 3103 is mounted on the top end of the cylinder rod, and a jacking bearing 3104 is mounted in the jacking bearing frame 3103. The roller 3106 is mounted on a roller frame 3105, and the roller frame 3105 is mounted on an air cylinder frame 3101.
Fig. 7 (a) and (b) are schematic operation diagrams of the lifting roller. When the guide rail 6 to be processed moves, the air cylinder 3102 on the lifting roller 310 is retracted, the roller 3106 is lifted, the guide rail 6 to be processed moves on the roller 3106, after moving in place, the air cylinder 3102 is extended, the roller 3106 is lifted down, the fixed air cylinder 36 pushes the clamping pressing plate 33 to extend, the clamping pressing plate and the fixed backup plate 32 clamp the two side surfaces of the guide rail 6 to be processed, the pressing cylinder 38 is extended, the flexible pressing block 39 presses the top surface of the guide rail 6 to be processed, and the guide rail 6 to be processed is fixed.
Fig. 8 is a perspective assembly view of the transfer assembly. The transfer assembly 4 includes a servo motor 41, a motor reducer 42, a motor bracket 43, a bevel gear 44, a moving rail 45, a rail clamp 46, a bevel rack 47, and a driving roller frame 48. The servo motor 41 is fixed with a motor speed reducer 42, the motor speed reducer 42 is fixed on a motor bracket 43, and a bevel gear 44 is arranged at the output end of the motor speed reducer 42. The movable rail 45 is provided with a rail clamp 46, fixed to the motor bracket 43, and mounted to the driving roller frame 48 together with the diagonal rack 47. The servo motor 41 drives the bevel gear 44 to mesh along the bevel gear rack 47 through the motor speed reducer 42, moves on the driving roller frame 48 provided with the moving guide rail 45, brakes through the guide rail clamp 46 and keeps static, and the motor bracket 43 pushes the guide rail 6 to be processed to move.
Fig. 9 is a schematic diagram of an electrical control assembly. The electric control assembly 5 comprises a control screen 51 and a control cabinet 52, and the control screen 51 is arranged above the control cabinet 52. The guide rail 6 to be processed and the processing assembly 2 are controlled to move through the control screen 51, detected and measured data are integrated, the processing size is controlled, and a control circuit, electrical equipment and the like are arranged in the control cabinet 52.
When the guide rail end face machining device works, the machining assembly 2 moves through the module, the positioning contact 17 on the detection bed 1 positions the grinding wheel 214 to prevent machining errors caused by abrasion of the grinding wheel 214, the conveying assembly 4 controls the guide rail 6 to be machined, the lifting roller 310 ascends to prevent scratches from occurring on the guide rail 6 to be machined when moving, the positioning contact 17 on the detection bed 1 positions the guide rail 6 to be machined, the lifting roller 310 descends after positioning, the fixing assembly 3 fixes the guide rail 6 to be machined, the electric control assembly 5 records the positioning size of the grinding wheel 214 and the guide rail 6 to be machined, the machining assembly 2 reciprocates on the linear guide rail pair after compensating the diameter of the positioning contact, meanwhile the grinding wheel 214 machines the guide rail 6 to be machined, the visual sensor 13 detects the end face machining quality and the end distance size after machining is finished, and the next working procedure is performed after the detection is qualified. The utility model can more accurately ensure the processing size of the end face of the linear guide rail and improve the processing precision.