CN112318222A - Multi-station machining system and method for four-edge end mill - Google Patents
Multi-station machining system and method for four-edge end mill Download PDFInfo
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- CN112318222A CN112318222A CN202011341991.1A CN202011341991A CN112318222A CN 112318222 A CN112318222 A CN 112318222A CN 202011341991 A CN202011341991 A CN 202011341991A CN 112318222 A CN112318222 A CN 112318222A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/02—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of milling cutters
- B24B3/021—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of milling cutters of milling cutters with helical cutting edges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
一种四刃立铣刀多工位加工系统及方法，属于刀具加工技术领域，其中的加工系统，包括床身、旋转升降装置和多个加工工位，旋转升降装置包括固定框架、工件装夹部件、升降驱动部件和分度旋转部件，固定框架沿其周向设置有多个工件装夹部件，固定框架的顶部通过多组升降驱动部件与对应的工件装夹部件相连，固定框架的底部与分度旋转部件相连；每个工位装夹部件与一个加工工位相对，每个加工工位的底部设置有滑台底座，本发明的有益效果是，该多工位加工系统实现了工件取放料的自动化操作，实现了工件的精确定位，提高了加工精度，实现了多个工件在多个加工工位上的间歇式加工，减少了加工设备的占用空间，降低了工人的劳动强度，提升了加工效率。
A multi-station processing system and method for a four-blade end mill, belonging to the technical field of tool processing, wherein the processing system includes a bed, a rotary lifting device and a plurality of processing stations, and the rotary lifting device includes a fixed frame, a workpiece clamping components, lifting driving components and indexing rotating components, the fixed frame is provided with a plurality of workpiece clamping components along its circumferential direction, the top of the fixed frame is connected with the corresponding workpiece clamping components through multiple groups of lifting driving components, and the bottom of the fixed frame is connected to the workpiece clamping components. The indexing and rotating parts are connected; the clamping parts of each station are opposite to one processing station, and the bottom of each processing station is provided with a sliding table base. The beneficial effect of the present invention is that the multi-station processing system realizes the workpiece removal The automatic operation of unloading realizes the precise positioning of the workpiece, improves the processing accuracy, realizes the intermittent processing of multiple workpieces in multiple processing stations, reduces the space occupied by the processing equipment, and reduces the labor intensity of workers. Improve processing efficiency.
Description
Technical Field
The invention relates to the technical field of cutter machining, in particular to a multi-station machining system and method for a four-edge end mill.
Background
In actual site machining, a customer mostly uses a four-edge end mill to machine a plane, steps and the like, the four-edge end mill adopts right-handed right-cutting spiral cutter teeth, so that cutting chips are discharged from the front end of the end mill during material machining, the four-edge end mill has a good chip removal effect, a cutting front angle is increased, the amount of the cutting chips is reduced, and the material is more conveniently cut, so that the four-edge end mill is widely used in the fields of die machining, automobile part production and the like.
As shown in fig. 1, the four-blade end mill includes a tool bar a and a tool bit b, the tool bit b is provided with four helical side cutting edges c and four corresponding end cutting edges d, the side cutting edges c have a certain helical inclination, a helical chip groove e is provided between adjacent side cutting edges c, and a chip discharge guide groove f connected to the helical chip groove e is further provided between adjacent end cutting edges d. At present, the method for processing the end mill with the structure comprises the following steps: one of the structures is processed by using one processing device, the processing needs to be carried out on other devices until all the structures are processed, and each structure needs to be roughly processed and finely processed.
Disclosure of Invention
In order to solve the technical problems, the invention provides a multi-station processing system and a multi-station processing method for a four-edge end mill, wherein a plurality of processing stations are arranged around a rotary lifting device, so that a plurality of workpieces to be processed can be positioned, the workpieces to be processed are accurately positioned at spatial positions, the plurality of workpieces to be processed are rotatably aligned on the plurality of stations, the rotary intermittent processing of the plurality of workpieces to be processed is realized, the labor intensity of workers is reduced, the processing efficiency is improved, and the labor cost is reduced.
In order to achieve the purpose, the technical scheme adopted by the invention for solving the technical problems is as follows: the multi-station machining system for the four-edge end mill comprises a lathe bed, and a rotary lifting device and a plurality of machining stations which are arranged on the lathe bed, wherein the rotary lifting device comprises a fixed frame, and a workpiece clamping part, a lifting driving part and an indexing rotating part which are arranged on the fixed frame; each station clamping part is opposite to one processing station, a grinding wheel is installed on the upper portion of each processing station, and a sliding table base capable of being positioned in an X-direction and a Y-direction in a sliding mode is arranged at the bottom of each processing station.
Furthermore, the workpiece clamping component comprises a sliding plate, a positioning chuck and a positioning chuck, the sliding plate is connected to the fixed frame in a vertical sliding mode, the positioning chuck is installed on the outer side of the sliding plate, the positioning chuck is installed at the bottom of the positioning chuck, and the clamping position of the positioning chuck is opposite to the center of the positioning chuck.
Further, the location dop includes fixed bolster, regulating plate and joint support, the one end of fixed bolster is fixed the bottom of location chuck, the other end of fixed bolster with the regulating plate with slide positioning links to each other about the joint support, the upper end of regulating plate with the upper end of joint support encloses into the joint hole, the joint hole with treat that the processing work piece joint links to each other.
Furthermore, the lifting driving part comprises a servo motor I and a ball screw mechanism, the servo motor I is fixed to the top of the fixed frame, an output shaft of the servo motor I is fixedly connected with a screw rod of the ball screw mechanism, and a screw nut of the ball screw mechanism is fixedly connected with the sliding plate.
Further, the indexing rotating part comprises a servo motor II and an indexer, and the bottom of the fixed frame is connected with the servo motor II through the indexer to drive the whole fixed frame to rotate intermittently by a set angle.
Further, it is a plurality of machining-position I including processing spiral chip groove, machining-position II including processing spiral inclination, machining-position III including processing end blade and machining-position IV including processing chip groove, machining-position I, machining-position II, machining-position III and machining-position IV center on rotatory elevating gear's circumference is clockwise or anticlockwise arranges in proper order.
Further, the slip table base includes unable adjustment base, X to slip table and Y to the slip table, unable adjustment base pass through Y to motor and ball screw mechanism with Y links to each other to slip table sliding location, Y to the slip table pass through X to motor and ball screw mechanism with X links to each other to slip table sliding location.
Further, the machining station I comprises a sliding table base, a positioning seat I, a motor I and a flat grinding wheel I, the positioning seat I is detachably connected to the upper end of the sliding table base, the motor I is connected to the inside of the positioning seat I in a clamping mode, the output shaft end of the motor I is connected with the flat grinding wheel I, and the included angle between the flat grinding wheel I and the central axis of the corresponding workpiece clamping part is equal to the spiral angle of a spiral chip groove of the four-edge end mill;
the machining station II comprises a sliding table base, a positioning seat II, a motor II, a flat grinding wheel II and a conical grinding wheel I, the upper end of the sliding table base is detachably connected with the positioning seat II, the motor II is fixedly sleeved in the positioning seat II, an output shaft of the motor II is coaxially connected with the flat grinding wheel II and the conical grinding wheel I, the conical grinding wheel I is arranged at the outer end of the flat grinding wheel II, and the central lines of the flat grinding wheel II and the conical grinding wheel I are parallel to the central axis of a corresponding workpiece clamping part;
the machining station III comprises a sliding table base, a positioning seat III, positioning fixtures, a motor III, a flat grinding wheel III and a conical grinding wheel II, the positioning seat III is detachably connected to the upper end of the sliding table base, the two ends in the positioning seat III are respectively rotatably positioned and installed on the positioning fixtures, the motor III is installed in each positioning fixture, the flat grinding wheel III and the conical grinding wheel II are coaxially connected to an output shaft of the motor III, the conical grinding wheel II is arranged at the outer end of the flat grinding wheel III, and the width direction of each positioning fixture is parallel to the central axis of a corresponding workpiece clamping part;
the machining station IV comprises a sliding table base, a positioning seat IV, a motor IV and a conical grinding wheel III, the upper end of the sliding table base is detachably connected with the positioning seat IV, the motor IV is clamped in the positioning seat IV, the output shaft end of the motor IV is connected with the conical grinding wheel III, and the central axis of the conical grinding wheel III is perpendicular to the central axis of a corresponding workpiece clamping part.
Further, the processing system still includes control box, six robots, installation base, and blank fetching disc and finished product collection charging tray, the same and equal positioning connection of structure of blank fetching disc and finished product collection charging tray is on the installation base, equal equipartition has a plurality of locating holes of pegging graft complex with blank or finished product on blank fetching disc and the finished product collection charging tray, the lower extreme of blank fetching disc and finished product collection charging tray is provided with weighing sensor respectively, two weighing sensor passes through the control box and links to each other with two alarm device respectively.
The multi-station processing method of the four-edge end mill comprises the following steps of:
1) a plurality of blank blanks on the blank taking disc are respectively arranged on a plurality of workpiece clamping parts of the rotary lifting device by using a six-axis robot and are clamped and positioned;
2) respectively driving an X-direction motor and/or a Y-direction motor on the machining station I, the machining station II, the machining station III and the machining station IV to act, and driving a servo motor I at the corresponding machining station to act, so that the spatial positions between the blank on the plurality of machining stations and the corresponding grinding wheel meet the machining requirements of the corresponding machining station;
3) the blank materials at the four processing stations are processed for a set time on the corresponding processing stations and then stopped until all the processing stations are processed, the servo motor II drives the graduator to act to enable the whole fixed frame to rotate for a set angle, and a workpiece which is clamped in the workpiece clamping component on the fixed frame and is processed for one time is enabled to rotate to the next processing station;
4) continuously adjusting the spatial positions between the blank materials on the plurality of processing stations and the corresponding grinding wheels according to the method in the step 2) to enable the blank materials to meet the processing requirements of the corresponding processing stations, then rotating the workpiece by a set angle after processing according to the method in the step 3), and repeating the steps until all the workpieces are processed;
5) the finished products after processing are collected into a finished product collecting tray by using a six-axis robot, when a weight sensor at the bottom of the finished product collecting tray detects that the finished product collecting tray is full, a control box controls a corresponding alarm device to work to automatically prompt that the finished product collecting tray is taken away, when a weight sensor at the bottom of a blank taking tray detects that blank materials on the blank taking tray are less than a certain range, the control box controls the corresponding alarm device to work to automatically prompt that the blank materials are put into the blank taking tray.
The invention has the beneficial effects that:
1. the invention can clamp and position a plurality of blank materials by arranging the rotary lifting device and a plurality of processing stations on the lathe bed, can move the corresponding workpiece clamping part for clamping the blank materials in the Z direction by the lifting driving part, and is opposite to the corresponding workpiece clamping part, each processing station can move the grinding wheel on the processing station in the X direction and the Y direction by the sliding table base, thereby realizing the accurate positioning of the workpiece to be processed in the space position relative to the grinding wheel, improving the processing precision, and enabling the workpiece clamping part for clamping the workpiece to be processed to enter the next station for processing after rotating a set angle by the indexing rotating part, so that a plurality of processing workpieces are simultaneously processed on the corresponding processing stations until the processing of all the processing stations is finished, realizing the intermittent processing of a plurality of processing workpieces on a plurality of processing stations, the occupied space of processing equipment is reduced, the labor intensity of workers is reduced, and the processing efficiency is improved.
2. According to the invention, the positioning chuck is arranged at the bottom of the positioning chuck, the position of the top end of the adjusting plate on the fixing support is adjusted, so that the bottom bearing position of the workpiece to be machined is determined, the clamping support is adjusted to be clamped at the upper end of the workpiece to be machined, the workpiece to be machined is positioned and clamped through the positioning chuck after being clamped by the positioning chuck, the workpiece to be machined is prevented from shaking in the machining process, the machining precision of the workpiece to be machined is higher, and the machining quality is improved.
3. According to the invention, the positioning seat III is arranged on the sliding table base, the two ends of the positioning seat III are rotatably positioned and provided with the two positioning clamps, the motor III is arranged in each positioning clamp, and the output shaft of the motor III is connected with the flat grinding wheel III and the conical grinding wheel II, so that the space angle between the central line of each group of the flat grinding wheel III and the workpiece to be processed can be adjusted according to requirements, and the processing universality of a processing station III is improved; can be with treating a set of flat emery wheel III and the toper emery wheel II that one side of processing work piece tip is close to relevant position, under the effect of motor III and slip table base, make toper emery wheel II and flat emery wheel III be feed motion towards the direction of perpendicular to fixed frame when the pivoted, thereby treat that one of two relative end sword of processing work piece tip is roughly ground the back and correct grinding, rethread removes slip table base makes toper emery wheel II and flat emery wheel III treat that another roughly grinds the back and correct grinding in two relative end sword of processing work piece tip, then make the work piece of treating to process rotate 90 back grinding other two end sword, the machining efficiency and the machining precision of end sword have been improved.
4. According to the invention, the blank material is inserted into the positioning hole on the blank taking disc through the six-axis robot, the blank material is assembled into the corresponding workpiece clamping part through the six-axis robot, the processed finished product is inserted into the positioning hole of the finished product collecting disc by the six-axis robot for collection after processing is completed, the finished product collecting disc is detected to be full by the weight sensor at the bottom of the finished product collecting disc, the finished product collecting disc is automatically prompted to be taken away by the corresponding alarm device, when the blank material on the blank taking disc is detected to be less than a certain range by the weight sensor at the bottom of the blank taking disc, the blank material is automatically prompted to be put into the blank taking disc by the corresponding alarm device, the whole material taking and placing process does not need manual operation, the automatic operation of material taking and placing is realized, the labor intensity of workers is further reduced, and the labor cost is reduced.
In conclusion, the multi-station processing system realizes the automatic operation of taking and placing materials in the four-blade end mill processing, realizes the accurate positioning of the workpieces to be processed, improves the processing precision, realizes the intermittent processing of a plurality of processed workpieces on a plurality of processing stations, reduces the occupied space of processing equipment, reduces the labor intensity of workers and improves the processing efficiency.
Drawings
The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:
FIG. 1 is a schematic view of a four-edged end mill;
FIG. 2 is an isometric view of the present invention;
FIG. 3 is a top view of the present invention;
the labels in the above figures are: 1. the lathe comprises a lathe bed, 2 parts of a rotary lifting device, 21 parts of a fixed frame, 22 parts of a workpiece clamping component, 221 parts of a sliding plate, 222 parts of a positioning chuck, 223 parts of a fixed support, 224 parts of an adjusting plate, 225 parts of a clamping support, 23 parts of a lifting driving component, 231 parts of a servo motor I, 24 parts of an indexing rotating component, 241 parts of a servo motor II, 242 parts of an indexer, 3 parts of a sliding table base, 31 parts of a fixed base, 32 parts of an X-direction sliding table, 33 parts of a Y-direction sliding table, 34 parts of a Y-direction motor, 35 parts of an X-direction motor, 4 parts of a machining station I, 41 parts of a positioning seat I, 42 parts of a motor I, 43 parts of a flat grinding wheel I, 5 parts of a machining station II, 51 parts of a positioning seat II, 52 parts of a motor II, 53 parts of a flat grinding wheel II, 54 parts of a conical grinding wheel I, 6 parts of a machining station III, 61 parts of a positioning seat III, 62 parts, 71. the positioning device comprises a positioning seat IV, a motor IV, a conical grinding wheel III, a six-axis robot 8, a mounting base 9, a blank taking tray 10, a finished product collecting tray 11 and a positioning hole 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The specific implementation scheme of the invention is as follows: as shown in fig. 2 and 3, a multi-station machining system for a four-blade end mill comprises a lathe bed 1, a rotary lifting device 2 and a plurality of machining stations, wherein the rotary lifting device 2 comprises a fixed frame 21, and a workpiece clamping part 22, a lifting driving part 23 and an indexing rotating part 24 which are arranged on the fixed frame 21, the fixed frame 21 is provided with a plurality of workpiece clamping parts 22 along the circumferential direction, the top of the fixed frame 21 is connected with the corresponding workpiece clamping parts 22 through a plurality of groups of lifting driving parts 23, the corresponding workpiece clamping parts 22 for clamping workpieces to be machined can move up and down along the fixed frame 21, each station clamping part 22 is opposite to one machining station, the upper part of each machining station is provided with a grinding wheel, the bottom of each machining station is provided with a sliding table base 3 which can be positioned in an X direction and a Y direction in a sliding manner, each machining station can enable the grinding wheel on the machining station to move up in the X direction and the Y direction through, the accurate positioning of the workpiece to be machined relative to the grinding wheel in the space position is realized, the machining precision is improved, the bottom of the fixed frame 21 is connected with the indexing rotary part 24, the workpiece clamping part 22 for clamping the workpiece to be machined can rotate by a set angle through the indexing rotary part 24 and then enter the next station for machining, a plurality of machined workpieces are machined on corresponding machining stations simultaneously until all machining stations are machined, the intermittent machining of the plurality of machined workpieces on the plurality of machining stations is realized, the occupied space of machining equipment is reduced, the labor intensity of workers is reduced, and the machining efficiency is improved. .
Specifically, the workpiece clamping component 22 includes a sliding plate 221, a positioning chuck 222 and a positioning chuck, the sliding plate 221 is connected to the fixed frame 21 in a vertical sliding manner, the positioning chuck 222 is installed on the outer side of the sliding plate 221, the positioning chuck is installed at the bottom of the positioning chuck 222, and the clamping position of the positioning chuck is opposite to the center of the positioning chuck 222, so that a machined workpiece is clamped through the positioning chuck 23 after being clamped by the positioning chuck 22, the machined workpiece is prevented from shaking in the machining process, the machining precision of the machined workpiece is higher, and the machining quality is improved.
The positioning clamping head comprises a fixing support 223, an adjusting plate 224 and a clamping support 225, the fixing support 223 is an L-shaped support, one end of the fixing support is fixed to the bottom of the positioning chuck 222, a waist-shaped hole is formed in the other end of the fixing support 223, a bolt fastener is installed in the waist-shaped hole, the fixing support 223 is connected with the adjusting plate 224 and the clamping support 225 in a vertically sliding positioning mode, the upper end of the adjusting plate 224 and the upper end of the clamping support 225 enclose into a clamping hole, and the clamping hole is connected with a workpiece to be machined in a clamping mode.
Specifically, the lifting driving part 23 includes a servo motor i 231 and a ball screw mechanism, the servo motor i 231 is fixed on the top of the fixed frame 21, an output shaft of the servo motor i 231 is fixedly connected with a screw of the ball screw mechanism, a screw nut of the ball screw mechanism is fixedly connected with the sliding plate 221, and the screw of the ball screw mechanism is driven to rotate by the servo motor i 231, so that the screw nut drives the sliding plate 221 and the positioning chuck 222 and the positioning chuck on the sliding plate 221 to slide and position along the height direction of the fixed frame 21.
Specifically, the indexing rotary member 24 includes a servo motor ii 241 and an indexer 242, and the bottom of the fixed frame 21 is connected to the servo motor ii 241 through the indexer 242 to drive the entire fixed frame 21 to rotate intermittently by a set angle.
Specifically, the plurality of machining stations are arranged according to the structure of a four-edge end mill, specifically, as shown in fig. 1, the four-edge end mill includes a tool bar a and a tool bit b, four spiral side cutting edges c and four corresponding end edges d are arranged on the tool bit b, a spiral chip discharge groove e is arranged between the adjacent side cutting edges c, and a chip discharge guide groove f connected with the spiral chip discharge groove e is further arranged between the adjacent end edges d. Therefore, the machining stations comprise a machining station I4 for machining the spiral chip groove, a machining station II 5 for machining the spiral inclination angle, a machining station III 6 for machining the end blade and a machining station IV 7 for machining the chip removal guide groove, the machining stations I4, the machining station II 5, the machining station III 6 and the machining station IV 7 are sequentially arranged clockwise or anticlockwise around the circumference of the rotary lifting device 2, one workpiece to be machined can be machined according to the procedures for machining the spiral chip groove, the spiral inclination angle, the end blade and the chip removal guide groove, the machining procedures are more consistent, and although other workpieces to be machined are not machined according to the procedures, the machining quality is not greatly influenced.
Specifically, the sliding table base 3 includes a fixed base 31, an X-direction sliding table 32 and a Y-direction sliding table 33, the fixed base 31 is connected with the Y-direction sliding table 33 in a sliding and positioning manner through a Y-direction motor 34 and a ball screw mechanism to realize that the Y-direction sliding table 33, the X-direction sliding table 32 and a grinding wheel move in a direction perpendicular to the fixed frame 21, the Y-direction sliding table 33 is connected with the X-direction sliding table 32 in a sliding and positioning manner through an X-direction motor 35 and a ball screw mechanism to realize that the X-direction sliding table 32 and the grinding wheel move in a direction parallel to the fixed frame 21, and position adjustment of the grinding wheel in the horizontal direction is realized.
Specifically, the machining station I4 comprises a sliding table base 3, a positioning seat I41, a motor I42 and a flat grinding wheel I43, the positioning seat I41 is detachably connected to the upper end of the sliding table base 3, the motor I42 is connected to the inside of the positioning seat I41 in a clamping mode, the output shaft end of the motor I42 is connected with the flat grinding wheel I43, the included angle between the flat grinding wheel I43 and the central axis of the corresponding workpiece clamping part 22 is equal to the spiral angle of a spiral chip groove of a four-edge end mill, the flat grinding wheel I43 is driven to rotate through the motor I42 and is made to perform feeding motion along the direction perpendicular to the fixed frame 21 under the action of the sliding table base 3, and the spiral chip groove can be ground along the length direction of a workpiece to be machined;
specifically, the processing station ii 5 includes a sliding table base 3, a positioning seat ii 51, a motor ii 52, a flat grinding wheel ii 53 and a conical grinding wheel i 54, the upper end of the sliding table base 3 is detachably connected with the positioning seat ii 51, the positioning seat ii 51 is internally sleeved with the fixed motor ii 52, an output shaft of the motor ii 52 is coaxially connected with the flat grinding wheel ii 53 and the conical grinding wheel i 54, the conical grinding wheel i 54 is arranged at the outer end of the flat grinding wheel ii 53, the periphery of a workpiece to be processed is firstly subjected to rough grinding by the conical grinding wheel i 54, and then is subjected to finish grinding by the flat grinding wheel ii 53, the center lines of the flat grinding wheel ii 53 and the conical grinding wheel i 54 are parallel to the center line of the corresponding workpiece clamping part 22, the conical grinding wheel i 54 and the flat grinding wheel ii 53 are driven to rotate by the motor ii 52, and the conical grinding wheel i 54 and the conical grinding wheel ii 53 are driven to perform feeding motion along the, the spiral inclination angle can be ground along the length direction of the workpiece to be processed;
specifically, the machining station iii 6 includes a sliding table base 3, a positioning seat iii 61, a positioning fixture 62, a motor iii 63, a flat grinding wheel iii 64 and a conical grinding wheel ii 65, the upper end of the sliding table base 3 is detachably connected with the positioning seat iii 61, two ends in the positioning seat iii 61 are respectively rotatably positioned and installed with the positioning fixture 62, a motor iii 63 is installed in each positioning fixture 62, and an output shaft of the motor iii 63 is coaxially connected with the flat grinding wheel iii 64 and the conical grinding wheel ii 65, specifically, arc-shaped grooves can be formed in two ends of the positioning seat iii 61, so that the angles of the positioning fixture 62, the flat grinding wheel iii 64 and the conical grinding wheel ii 65 can be adjusted as required, the spatial angle between the center line of each group of the flat grinding wheel iii 64 and the conical grinding wheel ii 65 and a workpiece to be machined can be adjusted as required, and the machining universality of the machining station iii; the conical grinding wheel II 65 is arranged at the outer end of the flat grinding wheel III 64, the width direction of the positioning clamp 62 is parallel to the central axis of the corresponding workpiece clamping part 22, during grinding, one side of the end part of the workpiece to be processed can be close to a group of flat grinding wheels III 64 and conical grinding wheels II 65 at corresponding positions, under the action of the motor III 63 and the sliding table base 3, the conical grinding wheel II 65 and the conical grinding wheel III 64 do feed motion towards the direction vertical to the fixed frame 21 while rotating, thereby finely grinding one of the two opposite end edges of the end part of the workpiece to be processed after coarsely grinding, then finely grinding the other of the two opposite end edges of the end part of the workpiece to be processed by moving the sliding table base 3 by the conical grinding wheel II 65 and the conical grinding wheel III 64 after coarsely grinding, then the workpiece to be processed is rotated by 90 degrees and then the other two end blades are ground, so that the processing efficiency and the processing precision of the end blades are improved.
Specifically, the machining station IV 7 comprises a sliding table base 3, a positioning seat IV 71, a motor IV 72 and a conical grinding wheel III 73, the upper end of the sliding table base 3 is detachably connected with the positioning seat IV 71, the motor IV 72 is clamped in the positioning seat IV 71, the output shaft end of the motor IV 72 is connected with the conical grinding wheel III 73, the central axis of the conical grinding wheel III 73 is perpendicular to the central axis of the corresponding workpiece clamping part 22, the peripheral shape of the conical grinding wheel III 73 is matched with the shape of a chip removal guide groove to be ground, and the chip removal guide groove can be machined and formed through the rotary feeding motion of the conical grinding wheel III 73.
Specifically, the processing system further comprises a control box, a six-axis robot 8, a mounting base 9, a blank material taking disc 10 and a finished product collecting disc 11, wherein the blank material taking disc 10 and the finished product collecting disc 11 have the same structure and are all connected to the mounting base 9 in a positioning mode, positioning and fixing can be realized through spring pins, a plurality of positioning holes 12 which are matched with blanks or finished products in an inserting mode are evenly distributed on the blank material taking disc 10 and the finished product collecting disc 11, weighing sensors are respectively arranged at the lower ends of the blank material taking disc 10 and the finished product collecting disc 11, the two weighing sensors are respectively connected with two alarm devices through the control box, the blank material is inserted into the positioning holes 12 on the blank material taking disc 10 by the six-axis robot 8, the blank material is assembled into corresponding workpiece clamping parts 22 through the six-axis robot 8, and the processed finished products are inserted into the positioning holes 12 of the finished product collecting disc 11 for collection by the six-axis robot 8 after processing, the weight sensor of finished product collection charging tray 11 bottom detects that finished product collection charging tray has been laid, the alarm device that corresponds will automatic suggestion takes away finished product collection charging tray, the weight sensor of blank fetching tray 10 bottom detects the blank material on the blank fetching tray 10 and is less than certain limit, the alarm device that corresponds will automatic suggestion puts into blank to the blank fetching tray, whole fetching and placing process need not manual operation, the automation mechanized operation of fetching and placing has been realized, further reduce workman's intensity of labour, the cost of labor has been reduced.
The method for carrying out multi-station machining on the four-edge end mill by using the multi-station machining system comprises the following steps:
1) the six-axis robot 8 is used to mount the plurality of blank materials on the blank taking tray 10 on the plurality of workpiece clamping members 22 of the rotary lifting device 2, and clamp and position the blank materials.
2) The X-direction motor 35 and/or the Y-direction motor 34 on the processing station I4, the processing station II 5, the processing station III 6 and the processing station IV 7 are/is respectively driven to act, and the servo motor I231 on the corresponding processing station is driven to act, so that the spatial positions between the rough blanks on the processing stations and the corresponding grinding wheels meet the processing requirements of the corresponding processing stations.
3) The blank materials at the four processing stations are processed for a set time at the corresponding processing stations and then stopped until all the processing stations are processed, the servo motor II 241 drives the indexer 242 to move so as to enable the whole fixed frame 21 to rotate for a set angle, and a workpiece which is clamped in the workpiece clamping part 22 on the fixed frame 21 and is processed for one time is enabled to rotate to the next processing station.
4) Continuously adjusting the spatial positions between the blank materials on the plurality of processing stations and the corresponding grinding wheels according to the method in the step 2) to enable the blank materials to meet the processing requirements of the corresponding processing stations, then rotating the workpiece by a set angle after processing according to the method in the step 3), and repeating the steps until all the workpieces are processed;
5) the finished products after processing are collected into the finished product collecting tray 11 by using the six-axis robot 8, when the weight sensor at the bottom of the finished product collecting tray 11 detects that the finished product collecting tray 11 is full, the control box controls the corresponding alarm device to work to automatically prompt that the finished product collecting tray 11 is taken away, and when the weight sensor at the bottom of the blank taking tray 10 detects that the blank material on the blank taking tray 10 is less than a certain range, the control box controls the corresponding alarm device to work to automatically prompt that the blank material is put into the blank taking tray 10.
In conclusion, the multi-station processing system realizes the automatic operation of taking and placing materials in the four-blade end mill processing, realizes the accurate positioning of the workpieces to be processed, improves the processing precision, realizes the intermittent processing of a plurality of processed workpieces on a plurality of processing stations, reduces the occupied space of processing equipment, reduces the labor intensity of workers and improves the processing efficiency.
While the foregoing is directed to the principles of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (10)
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| CN202011341991.1A CN112318222A (en) | 2020-11-25 | 2020-11-25 | Multi-station machining system and method for four-edge end mill |
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| CN113043080A (en) * | 2021-03-24 | 2021-06-29 | 浙江浪潮精密机械有限公司 | Multi-station cutter grinding device and hard alloy cutter grinding method |
| CN113319657A (en) * | 2021-07-01 | 2021-08-31 | 常州市阿卡龙精密机械有限公司 | Multistation grinding device is used in cutter processing |
| CN113492348A (en) * | 2021-07-08 | 2021-10-12 | 深圳宏友金钻石工具有限公司 | Milling tool processing equipment |
| CN113560968A (en) * | 2021-09-08 | 2021-10-29 | 阳江市安佳乐厨业有限公司 | Manufacturing process and production line for automatic cutting edge of cutter by using robot technology |
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| CN116079409A (en) * | 2022-12-02 | 2023-05-09 | 浙江威力士机械有限公司 | A multi-station rotary combined machine tool |
| CN118060984A (en) * | 2024-04-18 | 2024-05-24 | 江苏拓普工具有限公司 | Multistation equipment of polishing is made to taper shank machine reamer |
| CN118060984B (en) * | 2024-04-18 | 2024-06-14 | 江苏拓普工具有限公司 | Multistation equipment of polishing is made to taper shank machine reamer |
| CN118617247A (en) * | 2024-05-29 | 2024-09-10 | 北京京磁电工科技有限公司 | Spiral tile processing device and processing method thereof |
| CN119141261A (en) * | 2024-09-25 | 2024-12-17 | 江西秦锐智能科技有限公司 | Combined type multiaxis numerical control machining center |
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