CN213917741U

CN213917741U - Rotary lifting device for grinding of end milling cutter

Info

Publication number: CN213917741U
Application number: CN202022764912.XU
Authority: CN
Inventors: 冯晓飞; 张国民
Original assignee: Wuhu Hongjin Machine Tools Co ltd
Current assignee: Wuhu Hongjin Machine Tools Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-10
Anticipated expiration: 2030-11-25

Abstract

A rotary lifting device for grinding of an end mill belongs to the technical field of multi-station processing equipment and comprises a fixed frame, a clamping and positioning component, a lifting driving component and a rotary driving component, wherein the lifting driving component comprises a servo motor I and a ball screw mechanism, and the rotary driving component comprises a servo motor II and an indexer; fixed frame's circumference is provided with the chucking locating part that a plurality of centre grippings waited to process the work piece, and fixed frame's top is provided with a plurality of servo motor I, and every servo motor I links to each other with the chucking locating part that corresponds through ball screw mechanism, and fixed frame's bottom is passed through the graduator and is linked to each other with servo motor II, the beneficial effects of the utility model are that, this rotatory elevating gear overall structure is simple, compact, and occupation space is little, and the location of processing work piece is firm stable, has realized the intermittent type formula processing of a plurality of processing work pieces on a plurality of stations, has reduced workman's intensity of labour, has promoted machining efficiency and processingquality.

Description

Rotary lifting device for grinding of end milling cutter

Technical Field

The utility model relates to a multistation processing equipment technical field especially relates to an end mill is rotary lifting device for abrasive machining.

Background

The end milling cutter is the most used milling cutter on a numerical control machine tool, and the cylindrical surface and the end surface of the end milling cutter are provided with cutting edges which can cut simultaneously or independently and are mainly used for plane milling, groove milling, step surface milling and profiling milling.

For example, as shown in fig. 1, a conventional four-edged end mill includes a tool holder 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, helical chip discharge grooves e are provided between adjacent side cutting edges c, and chip discharge guide grooves f connected to the helical chip discharge grooves e are further provided between adjacent end cutting edges d. At present, machining of such end mills requires grinding of the side cutting edges c, the end edges d, the chip grooves e, the chip discharge guide grooves f in the cutter head b, and each structure thereof requires rough machining and finish machining, and the conventional grinding method is: after one structure is processed and finished on one device, the structure needs to be replaced on other devices for processing, until all the structures are processed and finished, multiple devices need to be replaced frequently by manpower for processing, the occupied space of the multiple devices is increased, the labor intensity of workers is increased due to frequent installation and disassembly of workpieces to be processed, the processing efficiency is reduced, and the labor cost is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an end mill is rotary lifting device for abrasive machining can concentrate on this rotary lifting device with the grinding equipment of a plurality of stations around, can fix a position a plurality of work pieces of waiting to process, accomplishes the assistance-localization real-time of waiting to process the work piece through the mode of going up and down, can make a plurality of work pieces of processing carry out intermittent type formula processing on a plurality of stations in proper order through the rotation, has reduced workman's intensity of labour, has promoted machining efficiency.

In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: the rotary lifting device for grinding the end mill comprises a fixed frame, a clamping and positioning part, a lifting driving part and a rotary driving part, wherein the lifting driving part comprises a servo motor I and a ball screw mechanism, and the rotary driving part comprises a servo motor II and an indexer; the fixed frame is characterized in that a plurality of stations are arranged in the circumferential direction, a clamping and positioning part for clamping a workpiece to be machined is arranged on each station, a servo motor I opposite to each station is arranged at the top of the fixed frame, each servo motor I is connected with the corresponding clamping and positioning part through a ball screw mechanism to drive the workpiece to be machined on the corresponding station to move up and down, and the bottom of the fixed frame is connected with a servo motor II through an indexer to drive the whole fixed frame to rotate intermittently at a set angle.

Furthermore, fixed frame includes mounting panel, lower mounting panel and a plurality of stand, goes up mounting panel and lower mounting panel parallel arrangement, and goes up the circumference of mounting panel and lower mounting panel and pass through the stand that the interval set up fixed continuous, between two adjacent stands with chucking locating component slides from top to bottom and links to each other.

Furthermore, the clamping and positioning component comprises a sliding plate, a positioning chuck and a positioning chuck, the sliding plate is connected between two adjacent stand columns in a 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.

Further, the fixed bolster includes fixed plate and L shaped plate, the one end of fixed plate is fixed the bottom of location chuck, the other end installation of fixed plate the L shaped plate, the inboard of L shaped plate with slide positioning links to each other about the regulating plate, the upper end of regulating plate is provided with the bearing post that the work piece was treated in the bearing.

Further, the joint support includes backup pad and positioning seat, backup pad sliding connection be in the inboard of regulating plate, the lower extreme joint of backup pad is in on the fixed bolster, the upper end of backup pad with the positioning seat is fixed to be linked to each other, the positioning seat with the upper end of regulating plate encloses into the joint hole.

Furthermore, a plurality of mounting frames are arranged at the upper end of the upper mounting plate, the servo motor I is mounted on each mounting frame, an output shaft of the servo motor I is fixedly connected with a screw rod in the ball screw mechanism, and a screw nut in the ball screw mechanism is fixedly connected with the sliding plate; the lower mounting plate is fixedly connected with the upper end of the graduator.

The utility model has the advantages that:

1. the utility model discloses a set up a plurality of chucking locating part in fixed frame's circumference, can carry out the centre gripping location to a plurality of work pieces that wait to process, servo motor I through fixed frame top drives ball screw mechanism, thereby drive the chucking locating part on corresponding station and go up and down and accomplish the assistance-localization real-time of work piece waiting to process, after the location is accomplished, make a plurality of work pieces of processing carry out abrasive machining on corresponding station, after the processing is accomplished, drive the graduator action of fixed frame bottom through servo motor II, thereby make the chucking locating part of centre gripping work piece of processing rotate certain angle and pause to next station, make a plurality of work pieces of processing simultaneously process on corresponding station, until accomplishing the processing of all stations, realized the intermittent type processing of a plurality of work pieces on a plurality of stations, reduced the occupation space of processing equipment, reduced workman's intensity of labour, the processing efficiency is improved.

2. Further, the utility model discloses a bottom at positioning chuck sets up the location dop, through the bearing post location of adjusting the position of regulating plate on the fixed bolster in order to be regulating plate upper portion, thereby the bottom bearing position of waiting to process the work piece has been confirmed, positioning seat location through joint support upper portion is on the regulating plate, the joint is in the upper end of waiting to process the work piece simultaneously, the location chucking of waiting to process the work piece has been realized, the messenger waits to process the work piece and passes through location dop location chucking behind positioning chuck's centre gripping, prevented waiting to process rocking of work piece in the course of working, the messenger waits to process the machining precision of work piece higher, and the machining quality is improved.

To sum up, this rotary lifting device overall structure is simple, compact, and occupation space is little, and the location of processing work piece is firm stable, has realized the intermittent type formula processing of a plurality of processing work pieces on a plurality of stations, has reduced workman's intensity of labour, has promoted machining efficiency and processingquality.

Drawings

The contents of the various figures of the 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 schematic view of an enlarged portion of FIG. 2;

fig. 4 is a front view of the present invention;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

the labels in the above figures are: a. the tool comprises a tool bar, a tool bit, a side cutting edge, a end edge, a chip groove, a fixing frame, an upper mounting plate, a lower mounting plate, a vertical column, a clamping and positioning part, a sliding plate, a positioning chuck, a regulating plate, a clamping hole, a fixing plate, a L-shaped plate, a supporting column, a supporting plate 236, a supporting plate 237, a positioning seat, a lifting driving part, a servo motor I, a servo motor 32, a ball screw rod mechanism, a rotating driving part, a servo motor II, a servo motor 42, an indexer and a mounting frame.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses specific embodiment does: as shown in fig. 2 to 5, the rotary lifting device for grinding an end mill comprises a fixed frame 1, a clamping positioning part 2, a lifting driving part 3 and a rotary driving part 4, wherein the lifting driving part 3 comprises a servo motor I31 and a ball screw mechanism 32, and the rotary driving part 4 comprises a servo motor II 41 and an indexer 42; the circumference of the fixed frame 1 is provided with a plurality of stations, 4 stations are shown in the figure, 5 or more than 5 stations can be arranged according to requirements, each station is provided with a clamping and positioning part 2 for clamping a workpiece to be processed, processing equipment opposite to the corresponding clamping and positioning part 2 can be arranged around the fixed frame 1, the plurality of processing equipment are arranged around the fixed frame 1, the occupied space of the equipment is reduced, the top of the fixed frame 1 is provided with a servo motor I31 opposite to each station, each servo motor I31 is connected with the corresponding clamping and positioning part 2 through a ball screw mechanism 32 to drive the processed workpiece on the corresponding station to move up and down, the auxiliary alignment of the processed workpiece is realized, the bottom of the fixed frame 1 is connected with a servo motor II 41 through an indexer 42 to drive the whole fixed frame 1 to rotate intermittently by a set angle, make a plurality of processing work pieces carry out abrasive machining on the station that corresponds, drive the action of graduator 42 of fixed frame 1 bottom through servo motor II 41 after the processing is accomplished, thereby make the chucking locating part 2 of centre gripping processing work piece rotate on certain angle back pause to next station, make a plurality of processing work pieces process on corresponding the station simultaneously, until accomplishing the processing of all stations, the intermittent type formula processing of a plurality of processing work pieces on a plurality of stations has been realized, the occupation space of processing equipment has been reduced, the intensity of labour of workman has been reduced, and the machining efficiency is promoted.

Specifically, the fixing frame 1 includes an upper mounting plate 11, a lower mounting plate 12 and a plurality of vertical columns 13, the upper mounting plate 11 and the lower mounting plate 12 are arranged in parallel, the circumferential directions of the upper mounting plate 11 and the lower mounting plate 12 are fixedly connected through the vertical columns 13 arranged at intervals, two adjacent vertical columns 13 are connected with the clamping and positioning component 2 in a vertical sliding manner, and the vertical columns 13 can be provided with sliding grooves along the length direction thereof, so that the guiding and sliding of the clamping and positioning component 2 are realized.

Chucking locating component 2 wherein includes sliding plate 21, location chuck 22 and location dop 23, sliding plate 21 sliding connection is between two adjacent stands 13, location chuck 22 is installed in the outside of sliding plate 21, location chuck 22's bottom installation location dop 23, the joint position of location dop 23 is relative with location chuck 22's center, make the processing work piece through location dop 23 location chucking behind the centre gripping of location chuck 22, the rocking of processing work piece in the course of working has been prevented, make the machining precision of processing work piece higher, the machining quality is improved.

The positioning chuck 23 comprises a fixing support, an adjusting plate 231 and a clamping support, wherein the fixing support comprises a fixing plate 233 and an L-shaped plate 234, one end of the fixing plate 233 is fixed at the bottom of the positioning chuck 22, the other end of the fixing plate 233 is provided with the L-shaped plate 234, two sides of one end of the L-shaped plate 234 are respectively provided with a kidney-shaped hole, the inner side of the L-shaped plate 234 is connected with the adjusting plate 231 in a vertically sliding and positioning manner through a bolt connecting piece arranged in the kidney-shaped hole, the upper end of the adjusting plate 231 is provided with a supporting column 235 for supporting a workpiece to be processed, and the upper end of the supporting column 235 is provided with a clamping groove matched with the workpiece to be processed; the clamping support comprises a supporting plate 236 and a positioning seat 237, the supporting plate 236 is connected in a waist-shaped hole of the adjusting plate 231 in a sliding and positioning mode through a bolt connecting piece, the supporting plate 236 is installed on the inner side of the adjusting plate 231, the lower end of the supporting plate 236 is clamped on the fixing support, the upper end of the supporting plate 236 is fixedly connected with the positioning seat 237, a clamping hole 232 is formed by surrounding a supporting column 235 at the upper end of the adjusting plate 237 and a workpiece to be processed, and the clamping hole 232 is connected with the workpiece to be processed in a clamping mode. When the workpiece to be processed is positioned and clamped, the position of the top end of the supporting column 235 on the adjusting plate 231 is adjusted, and after the workpiece to be processed is installed in the positioning chuck 22 through the upper end of the supporting column 235, the position of the supporting plate 236 is adjusted, so that the workpiece to be processed is clamped by the positioning seat 237 and the supporting column 235 at the upper end of the adjusting plate 231.

Specifically, the upper end of the upper mounting plate 11 is provided with a plurality of mounting frames 5, each mounting frame 5 is provided with a servo motor I31, an output shaft of the servo motor I31 is fixedly connected with a screw rod in a ball screw mechanism 32, a screw nut in the ball screw mechanism 32 is fixedly connected with the sliding plate 21, and the screw rod is driven to rotate through the action of the servo motor I31, so that the screw nut makes linear motion along the screw rod, and the sliding plate 21 slides up and down along the two upright posts 13; the lower mounting plate 12 is fixedly connected with the upper end of the indexer 42, and the indexer 42 acts to drive the lower mounting plate 12 to act therewith, so that the plurality of clamping and positioning components 2 are driven to rotate for a set angle and then pause for a period of time, and then rotate for the set angle, and the intermittent machining of a plurality of machined workpieces on a plurality of stations is realized.

The working principle of the rotary lifting device is as follows: firstly, respectively arranging a plurality of processing devices at the positions corresponding to the plurality of clamping and positioning components 2, respectively installing a plurality of workpieces to be processed in the positioning chucks 22 of the corresponding clamping and positioning components 2, and clamping the workpieces to be processed by the positioning seat 237 and the supporting column 235 at the upper end of the adjusting plate 231 by adjusting the position of the supporting plate 236; then, according to the position relation between each workpiece to be machined and the corresponding machining equipment, driving the corresponding servo motor I31 to enable the clamping and positioning component 2 clamping the workpiece to be machined to move up and down along the height direction of the fixed frame 1, and enabling the workpiece to be machined to be aligned to the machining position of the corresponding machining equipment by adjusting the position of the machining equipment; and finally, grinding a plurality of machined workpieces on stations of corresponding machining equipment, and driving the indexer 42 at the bottom of the fixed frame 1 to act through the servo motor II 41 after machining is finished, so that the clamping and positioning part 2 for clamping the machined workpieces is suspended on the next station after rotating for a certain angle, and the plurality of machined workpieces are machined on the corresponding stations simultaneously until all stations are machined.

In addition, the rotary lifting device can be also suitable for machining other multi-process parts, multi-station machining of other non-standard metal cutting tools and multi-station machining of some shaft parts.

The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.

Claims

1. The rotary lifting device for grinding the end mill is characterized by comprising a fixed frame (1), a clamping and positioning component (2), a lifting driving component (3) and a rotary driving component (4), wherein the lifting driving component (3) comprises a servo motor I (31) and a ball screw mechanism (32), and the rotary driving component (4) comprises a servo motor II (41) and an indexer (42); the circumference of fixed frame (1) is provided with a plurality of stations, is provided with chucking locating part (2) that a centre gripping waited to process the work piece on every station, the top of fixed frame (1) is provided with servo motor I (31) relative with every station, and every servo motor I (31) link to each other in order to drive the processing work piece that corresponds on the station through ball screw mechanism (32) and corresponding chucking locating part (2) and reciprocate, the bottom of fixed frame (1) is passed through graduator (42) link to each other in order to drive the angle of whole fixed frame (1) intermittent type rotation settlement with servo motor II (41).

2. The rotary lifting device for end mill grinding according to claim 1, characterized in that: fixed frame (1) includes mounting panel (11), lower mounting panel (12) and a plurality of stand (13), goes up mounting panel (11) and lower mounting panel (12) parallel arrangement, and goes up the circumference of mounting panel (11) and lower mounting panel (12) and pass through stand (13) that the interval set up fixed linking to each other, between two adjacent stands (13) with chucking locating component (2) slide from top to bottom and link to each other.

3. The rotary lifting device for end mill grinding according to claim 2, characterized in that: chucking locating part (2) include sliding plate (21), location chuck (22) and location dop (23), sliding plate (21) sliding connection is between two adjacent stand (13), the outside installation of sliding plate (21) location chuck (22), the bottom installation of location chuck (22) location dop (23), the joint position of location dop (23) with the center of location chuck (22) is relative.

4. The rotary lifting device for end mill grinding according to claim 3, characterized in that: the utility model discloses a clamping device for machining workpiece, including location dop (23) and joint support, the one end of fixed bolster is fixed the bottom of location chuck (22), the other end of fixed bolster with regulating plate (231) with slide positioning links to each other about the joint support, the upper end of regulating plate (231) with the upper end of joint support encloses into joint hole (232), joint hole (232) link to each other with the work piece joint of waiting to process.

5. The rotary lifting device for end mill grinding according to claim 4, characterized in that: the fixed bolster includes fixed plate (233) and L shaped plate (234), the one end of fixed plate (233) is fixed the bottom of location chuck (22), the other end installation of fixed plate (233) L shaped plate (234), the inboard of L shaped plate (234) with adjusting plate (231) slide orientation about links to each other, the upper end of adjusting plate (231) is provided with bearing post (235) that the bearing was waited to process the work piece.

6. The rotary lifting device for end mill grinding according to claim 4, characterized in that: the clamping support comprises a supporting plate (236) and a positioning seat (237), the supporting plate (236) is slidably connected to the inner side of the adjusting plate (231), the lower end of the supporting plate (236) is clamped on the fixing support, the upper end of the supporting plate (236) is fixedly connected with the positioning seat (237), and the positioning seat (237) and the upper end of the adjusting plate (231) are enclosed to form the clamping hole (232).

7. The rotary lifting device for end mill grinding according to any one of claims 3 to 6, characterized in that: the upper end of the upper mounting plate (11) is provided with a plurality of mounting frames (5), each mounting frame (5) is provided with a servo motor I (31), an output shaft of each servo motor I (31) is fixedly connected with a lead screw in the ball screw mechanism (32), and a lead screw nut in the ball screw mechanism (32) is fixedly connected with the sliding plate (21); the lower mounting plate (12) is fixedly connected with the upper end of the indexer (42).