CN215033897U - Multi-station milling cutter processing machine - Google Patents

Abstract

The utility model belongs to the technical field of the tool machining equipment technique and specifically relates to indicate a multistation milling cutter processing machine, including bearing the pallet, all set up in the rotary control center mechanism of bearing the pallet, go up unloading mechanism, a plurality of universal material revolution mechanic that presss from both sides, a plurality of gear elasticity rotate drive structure and a plurality of pressure hold the mechanism, universal material revolution mechanic that presss from both sides rotates drive structure elastic drive with gear elasticity and is connected. Can realize that universal material revolution mechanic that presss from both sides rotates the elastic engagement of drive structure with gear elasticity, effectively avoid appearing hindering the tooth, improve transmission precision, avoid appearing the condition of skidding, the transmission is effectual, presss from both sides milling cutter material stick after tight installation and can swing, and the required precision to the machine debugging is lower, and finished product milling cutter's precision is high, the yields is high.

Description

Multi-station milling cutter processing machine

Technical Field

The utility model belongs to the technical field of the cutter processing equipment technique and specifically relates to indicate a multistation milling cutter processing machine.

Background

The milling cutter is a rotary cutter which is used for milling and has one or more cutter teeth, the cutter teeth cut off the allowance of a workpiece intermittently in sequence during working, the milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting off the workpiece and the like on a milling machine, and the milling cutter is widely applied to modern processing production.

In the existing milling cutter processing equipment, the engagement between the material clamping device and the driving device is rigid engagement, so that parts are seriously abraded, the service life is short, and the maintenance cost of the processing equipment is high. And the meshing precision between traditional clamping device and the drive arrangement is not high, can appear the condition of skidding, can't realize effectual transmission, and the transmission effect is poor.

The traditional clamping device adopts a rigid clamping mode as a clamping mode for the milling cutter material rod, namely the clamped milling cutter material rod is not allowed to swing, the rigid clamping mode has extremely high precision requirement on machine debugging, and the position error between the allowed milling cutter material rod and the pressing and holding mechanism is very small, so that the precision of the finished milling cutter is low, the yield is low, and the modern production requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a multistation milling cutter processing machine can realize the elastic meshing of universal clamp material revolution mechanic and gear elastic rotation drive structure, effectively avoids appearing hindering the tooth, improves transmission precision, avoids appearing the condition of skidding, and transmission effect is good, and the milling cutter material stick after pressing from both sides tight installation can swing, and is lower to the required precision of machine debugging, and finished product milling cutter's precision is high, the yields is high.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a multistation milling cutter processing machine, its includes bears the pallet, all sets up in the rotation control central mechanism that bears the pallet, goes up unloading mechanism, a plurality of universal material revolution mechanic that presss from both sides, a plurality of gear elasticity rotate drive structure and a plurality of pressure hold the mechanism, and universal material revolution mechanic that presss from both sides rotates drive structure elasticity drive with gear elasticity and is connected.

Furthermore, the pressing and holding mechanism comprises a pressing and holding base, a clamping groove seat which is slidably installed on the pressing and holding base, and a rotating clamping seat which is rotatably installed on the pressing and holding base, wherein the clamping groove seat and the rotating clamping seat are arranged correspondingly, a clamping groove is formed in the clamping groove seat, the milling cutter material rod is limited in a space which is defined by the clamping groove and the rotating clamping seat, one side of the outer peripheral surface of the milling cutter material rod is in line contact with the clamping groove, and the other side of the outer peripheral surface of the milling cutter material rod is in point contact with the rotating clamping seat.

Furthermore, the rotary control center mechanism comprises a rack, a working table plate, a supporting shaft rod, a first fluted disc, a second fluted disc and a working table driving assembly, wherein the working table plate is arranged on the rack in a sliding and rotating mode, the supporting shaft rod is fixedly arranged at the lower end of the working table plate, the first fluted disc is fixedly arranged at the lower end of the working table plate, the second fluted disc is meshed with the first fluted disc, the working table driving assembly is in driving connection with the supporting shaft rod, the supporting shaft rod is sleeved with a sliding rotating component, and the working table driving assembly is used for driving the supporting shaft rod to slide along the axial center line direction of the supporting shaft rod and rotate around the axial center line of the supporting shaft rod.

Further, the universal material clamping and rotating structure comprises a universal material clamping device and a rotating driving device which are both arranged on the working table plate, the universal material clamping device comprises a central fixed block, a first moving part and a second moving part which are respectively rotatably arranged at the two ends of the central fixed block, the first moving part and the second moving part are both of hollow structures, the first moving part and the second moving part are enclosed to form an accommodating space, the central fixing block is limited in the accommodating space, the first moving part is provided with a collet sleeve, the collet sleeve is of a hollow structure, a collet is movably arranged in the collet sleeve, an elastic pull rod piece is arranged in the first moving part, one end of the elastic pull rod piece elastically abuts against the first moving part, the other end of the elastic pull rod piece is connected with the collet, the collet is used for clamping a milling cutter material rod, the rotary driving device is in driving connection with the second moving part, and the rotary driving device is used for driving the universal material clamping device to rotate.

Further, gear elasticity rotates drive structure installs in the first gear of drive base including installing in the drive base of frame and rotating, and elastic connecting piece is installed to the one end of first gear, and elastic connecting piece is connected with the rotation driving piece, rotates the driving piece and is used for ordering about elastic connecting piece and first gear rotation, first gear can rotate around its axial centerline and along its axial centerline direction elastic movement, and first gear rotates the drive with rotary driving device elasticity and is connected.

Furthermore, the feeding and discharging mechanisms are all arranged on a sliding rail feeding device and a clamping and positioning device of the bearing stand, the clamping and positioning device comprises a material carrying bottom plate, a positioning top piece and a clamping component, the material carrying bottom plate is slidably mounted on the bearing stand, the positioning top piece is rotatably mounted on the material carrying bottom plate, the clamping component is slidably mounted on the positioning top piece, the sliding rail feeding device is used for feeding milling cutter material rods in a sliding mode, and sliding paths of the sliding rail feeding device and the sliding paths of the material carrying bottom plate are arranged in a crossed mode.

Furthermore, the elastic pull rod piece comprises a pull rod body movably arranged on the first movable piece and a flexible corrugated part fixedly arranged at one end of the pull rod body, the flexible corrugated part is abutted against the first movable piece, and one end, far away from the flexible corrugated part, of the pull rod body is connected with the collet; the flexible corrugated part comprises a flexible corrugated pipe and a locking ring connected with the flexible corrugated pipe, the locking ring is fixedly connected with the pull rod body, and one end of the flexible corrugated pipe, which is far away from the locking ring, is abutted against the first movable part; the pull rod body is provided with a positioning rod mounting hole and a locking hole, the positioning rod mounting hole is provided with a rear positioning rod, the locking hole is movably provided with a locking piece, the locking piece is used for locking the rear positioning rod in the positioning rod mounting hole, the collet chuck is provided with a mounting hole, and one end of the rear positioning rod, far away from the locking piece, extends into the mounting hole; when the milling cutter charge bar and the collet chuck are clamped and mounted, one end of the milling cutter charge bar is inserted into the mounting hole and abutted against the rear positioning rod, and the radial length of the milling cutter charge bar in the mounting hole is adjusted by adjusting the radial length of the rear positioning rod in the mounting hole.

Furthermore, the second moving part is movably provided with a push-and-pull rod piece, the push-and-pull rod piece and the elastic pull rod piece are arranged correspondingly, the universal material clamping and rotating mechanism further comprises a push-and-pull rod piece driving device, the push-and-pull rod piece driving device comprises a driving body and a piston rod, the driving body is arranged on the piston rod, the end portion of the piston rod is arranged correspondingly to the end portion of the push-and-pull rod piece, and the push-and-pull rod piece driving device is used for driving the push-and-pull rod piece.

Furthermore, the rotary driving device comprises a worm wheel arranged on the second moving part and a worm meshed with the peripheral surface of the worm wheel, a second gear is arranged at one end of the worm, provided with the second gear, extends to the position below the workbench plate and is elastically meshed with the first gear, the first gear is used for driving the worm to rotate, and the worm wheel and the worm are used for driving the universal clamping device to rotate.

Further, the elastic connection member includes a flexible bellows and two locking rings, which are respectively connected to both ends of the flexible bellows.

The utility model has the advantages that: the elastic meshing between the universal material clamping rotating structure and the gear elastic rotating driving structure can be realized, the tooth damage is effectively avoided, the transmission precision is improved, the slipping condition is avoided, and the transmission effect is good; the milling cutter material bar after clamping installation can swing, the precision requirement on machine debugging is lower, and the precision of finished milling cutter is high, the yields is high.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of the universal material-clamping rotating structure of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the universal material-clamping rotating structure of the present invention.

Fig. 4 is a schematic cross-sectional structure diagram of the universal material clamping device of the present invention.

Fig. 5 is a schematic view of a partially enlarged cross-sectional structure taken along the direction B-B in fig. 4.

Fig. 6 is a schematic view of a partial three-dimensional structure of the universal material clamping device of the present invention.

Fig. 7 is a schematic view of the overall three-dimensional structure of the universal material clamping device of the present invention.

Fig. 8 is another schematic cross-sectional structure diagram of the universal material clamping rotation structure of the present invention.

Fig. 9 is a schematic structural view of the collet, the pressing mechanism and the milling cutter material rod of the present invention.

Fig. 10 is a schematic structural view of the gear elastic rotation driving structure of the present invention.

Fig. 11 is a schematic structural diagram of points a, b, c and d of the milling cutter material rod of the present invention.

Fig. 12 is a schematic structural view of the universal material clamping rotating structure, the gear elastic rotation driving structure, the frame and the working platen of the present invention.

Fig. 13 is a schematic structural view of the rotation control center mechanism of the present invention.

Fig. 14 is a first schematic structural diagram of the first gear disc, the second gear disc, the teeth and the tooth grooves according to the present invention.

Fig. 15 is a second schematic structural diagram of the first gear disc, the second gear disc, the teeth and the tooth grooves according to the present invention.

Fig. 16 is a schematic structural diagram of the rotation control center mechanism, the gear elastic rotation driving structure and the universal material clamping rotation structure of the present invention.

Fig. 17 is a schematic view of the overall structure of the present invention.

Fig. 18 is a schematic view of the overall structure of the pressing mechanism of the present invention.

Fig. 19 is a schematic structural view of the pressing mechanism of the present invention after the supporting and protecting member and the dustproof elastic member are hidden.

Fig. 20 is a partially enlarged schematic view of a portion a in fig. 19.

Fig. 21 is a schematic structural view of the slot clamping member, the milling cutter material rod and the conical head of the present invention.

Fig. 22 is a first schematic structural diagram of the V-shaped groove, the milling cutter material bar and the force F according to the present invention.

Fig. 23 is a second schematic structural view of the V-shaped groove, the milling cutter material bar and the force F of the present invention.

Fig. 24 is a schematic structural view of the utility model showing that one end of the stroke positioning column is inserted into the positioning groove and the rotating holder body is rotated and opened.

Fig. 25 is a schematic structural view of the present invention, wherein one end of the stroke positioning column is inserted into the positioning groove and the conical head is pressed on the milling cutter material rod.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 25, the utility model provides a pair of multistation milling cutter processing machine, it includes bearing stand 100, all sets up in bearing stand 100's rotation control center mechanism 02, go up unloading mechanism 101, a plurality of universal material revolution mechanic 80 that presss from both sides, a plurality of gear elasticity rotate drive structure 01 and a plurality of pressure hold mechanism 03.

In practical application, the carrier platform 100 is provided with a gear shaping mechanism 102, a first grooving mechanism 103, a second grooving mechanism 104, a main cutting face forming mechanism 105 and a side cutter mechanism 106, the plurality of pressing mechanisms 03 respectively correspond to the gear shaping mechanism 102, the first grooving mechanism 103, the second grooving mechanism 104, the main cutting face forming mechanism 105 and the side cutter mechanism 106, the feeding and discharging mechanism 101 conveys the milling cutter material rod 1 to the universal material clamping and rotating mechanism 80 to complete material clamping, the rotating control center mechanism 02 rotates to sequentially complete machining processes of gear shaping, first grooving, second grooving, main cutting face forming, side cutter and the like of the milling cutter material rod.

The rotary control center mechanism 02 comprises a rack 39, a workbench plate 22 arranged on the rack 39 in a sliding and rotating manner, a support shaft lever 29 fixedly arranged at the lower end of the workbench plate 22, a first fluted disc 23 fixedly arranged at the lower end of the workbench plate 22, a second fluted disc 24 meshed with the first fluted disc 23, and a workbench driving assembly 25 in driving connection with the support shaft lever 29, wherein the support shaft lever 29 is sleeved with a sliding and rotating component 40, and the workbench driving assembly 25 is used for driving the support shaft lever 29 to slide along the axial center line direction and rotate around the axial center line; the universal material clamping and rotating structure 80 comprises a universal material clamping device 81 and a rotating driving device 82 which are both arranged on the working table plate 22, the universal material clamping device 81 comprises a central fixed block 58, a first movable member 59 and a second movable member 60 which are respectively rotatably arranged at two ends of the central fixed block 58, the first movable member 59 and the second movable member 60 are all hollow structures, an accommodating space 61 is formed by the first movable member 59 and the second movable member 60 in an enclosing manner, the central fixed block 58 is limited in the accommodating space 61, the first movable member 59 is provided with a collet sleeve 62, the collet sleeve 62 is of a hollow structure, a collet 56 is movably arranged in the collet sleeve 62, an elastic pull rod element 64 is arranged in the first movable member 59, one end of the elastic pull rod element 64 elastically abuts against the first movable member 59, the other end of the elastic pull rod element 64 is connected with the collet 56, and the collet 56 is used for clamping the milling cutter material rod 1, the rotary driving device 82 is in driving connection with the second movable piece 60, and the rotary driving device 82 is used for driving the universal material clamping device 81 to rotate; the elastic gear rotation driving structure 01 comprises a driving base 2 installed on a rack 39 and a first gear 3 installed on the driving base 2 in a rotating mode, an elastic connecting piece 5 is installed at one end of the first gear 3, the elastic connecting piece 5 is connected with a rotation driving piece 6, the rotation driving piece 6 is used for driving the elastic connecting piece 5 and the first gear 3 to rotate, the first gear 3 can rotate around the axial center line of the first gear and elastically move along the axial center line, and the first gear 3 is in elastic rotation driving connection with a rotation driving device 82. The rotary driving device 82 is in driving connection with the second movable part 60, and the rotary driving device 82 is used for driving the universal material clamping device 81 to rotate.

In practical application, the milling cutter material bar 1 needs to cut chip grooves, and for a multi-edge milling cutter, multiple grooving actions are needed, as shown in fig. 11, grooving is performed at a point a, a point b, a point c and a point d of the milling cutter material bar 1, after the grooving jig completes the grooving action on the point a, the rotary driving device 82 drives the second movable member 60 to rotate by a preset angle, so that the grooving jig corresponds to the point b, and then the grooving action is performed on the point b; and (4) sequentially finishing slotting the point a, the point b, the point c and the point d of the milling cutter material rod 1 according to the steps. Preferably, the rotary driving device 82 is a worm gear, the worm gear has a large transmission ratio, a compact structure, stable transmission, no noise and self-locking performance, can prevent reversion and can improve the slotting precision of the milling cutter material bar 1.

The collet 56 is provided with a mounting hole 57, when the milling cutter material rod 1 is replaced, the elastic pull rod member 64 is pressed to drive the mounting end of the collet 56 to be exposed out of the collet sleeve member 62, so that the mounting hole 57 of the collet 56 is expanded, the milling cutter material rod 1 is inserted into the mounting hole 57 of the collet 56, and the collet 56 is pulled back to the collet sleeve member 62 under the elastic pulling force of the elastic pull rod member 64, so that the fixed mounting of the milling cutter material rod 1 is realized.

The first movable piece 59 and the second movable piece 60 are respectively rotatably mounted at two ends of the central fixed block 58, so that the collet 56 can slightly swing in multiple directions, as shown in fig. 9, the milling cutter material rod can be pressed on a designated position C point of the pressing and holding mechanism 03, even if the position error between the position of the collet 56 and the position C point is large, the milling cutter material rod can be directly pressed on the designated position C point of the pressing and holding mechanism 03, and the milling cutter material rod 1 after clamping and mounting can swing properly, so that the milling cutter material rod 1 cannot be damaged during pressing, the requirement on the precision of machine debugging is low due to the fact that the position error between the position of the collet 56 and the position C point is allowed to be large, and the abrasion of the collet 56 can be reduced; the mechanism effectively prevents the milling cutter material rod from being scratched when being compressed, reduces the abrasion of the collet 56, and ensures high precision and yield of finished milling cutters.

The driving base 2 is arranged below the working table plate 22, when in meshing, the rotary driving device 82 is abutted against the first gear 3, the first gear 3 retracts, the elastic connecting piece 5 is compressed, and the first gear 3 can move elastically, so that the elastic meshing of the gears can be realized, and the teeth injury can be effectively avoided. Because first gear 3 can elastic movement, consequently, can ensure first gear 3 and the laminating of universal material device 81 of pressing from both sides all the time, effectively prevent conditions such as contact failure, wrong tooth contact, improve gear engagement's precision, avoid appearing the condition of skidding, the transmission is effectual.

The rack 39 is provided with a limit cavity 41, and the sliding rotating part 40 is arranged in the limit cavity 41 in a sliding manner; when the sliding rotation member 40 is vertically moved in the space 41, the support shaft 29 is vertically moved. Preferably, the sliding and rotating member 40 is a ball spline. Specifically, the sliding rotation member 40 is sleeved on the outer side of the supporting shaft 29, and the sliding rotation member 40 functions to enable the supporting shaft 29 to rotate and slide up and down relative to the frame 39. The working table plate 22 moves upwards for a certain distance and rotates for a preset angle through the matching action of the sliding rotating part 40 and the supporting shaft lever 29, and then moves downwards to return, so that the conversion of different procedures is realized.

In practical application, the first toothed disc 23 and the second toothed disc 24 are both provided with teeth 26 correspondingly, a tooth socket 27 is arranged between two adjacent teeth, and the shape and size of the teeth 26 are matched with the shape and size of the tooth socket 27. When the milling cutter is used, as shown in fig. 14, when errors occur in the driving of the workbench driving assembly 25, the teeth 26 of the first toothed disc 23 and the teeth grooves 27 of the second toothed disc 24 are dislocated, as shown in fig. 15, the teeth 26 fall down along the inclined walls of the teeth grooves 27, so that the position of the correcting workbench plate 22 is automatically adjusted, the workbench plate 22 is accurately stopped at a specified position, the position error of the stopping action is automatically corrected each time, the second gear 21 can be accurately meshed with the corresponding first gear 3, the milling cutter is high in machining precision, frequent debugging of the machine is avoided, the working efficiency is improved, and the labor cost is reduced.

The pressing mechanism 03 comprises a pressing base 202, a clamping groove seat 208 slidably mounted on the pressing base 202, and a rotating clamping seat 219 rotatably mounted on the pressing base 202, the clamping groove seat 208 and the rotating clamping seat 219 are arranged correspondingly, the clamping groove seat 208 is provided with a clamping groove 212, the milling cutter material rod 1 is limited in a space surrounded by the clamping groove 212 and the rotating clamping seat 219, one side of the outer peripheral surface of the milling cutter material rod 1 is in line contact with the clamping groove 212, and the other side of the outer peripheral surface of the milling cutter material rod 1 is in point contact with the rotating clamping seat 219.

As shown in fig. 22 and 23, in order to achieve the effect of pressing, holding and fixing the milling cutter material bar 1, the milling cutter material bar 1 is usually disposed in the V-shaped groove 002, and then the pressing and holding member is disposed on the milling cutter material bar 1, the milling cutter material bar 1 is subjected to a force F in a non-vertical direction of the pressing and holding member when the pressing and holding member is pressed down, the milling cutter material bar 1 rotates along an axial center line thereof under the action of the force F, so that an angular deviation occurs at a preset positioning position of the milling cutter material bar 1, the positioning effect is poor, a large blade precision problem is caused for producing a multi-blade milling cutter, and the precision of a finished milling cutter is low.

In order to solve the above problems, in practical applications, the loading and unloading mechanism 101 transports the pressing end of the milling cutter material rod 1 to a space surrounded by the clamping groove 212 and the rotating holder 219, the clamping groove 208 and the rotating holder 219 are respectively disposed at two sides of the milling cutter material rod 1, the clamping groove 208 and the rotating holder 219 simultaneously move and simultaneously abut against the outer peripheral surface of the milling cutter material rod 1, one side of the outer peripheral surface of the milling cutter material rod 1 is in line contact with the clamping groove 212, and the other side of the outer peripheral surface of the milling cutter material rod 1 is in point contact with the rotating holder 219, so as to prevent the milling cutter material rod 1 from rotating relative to the clamping groove 212.

In this embodiment, the slot clamping seat 208 includes a slot clamping seat body 209, a first mounting slot 210 disposed on the slot clamping seat body 209, and a slot clamping piece 211 mounted on the first mounting slot 210, wherein the slot clamping piece 211 is disposed on the slot clamping piece 212, and the slot clamping piece 212 is a "V" shaped slot. Specifically, the first mounting slot 210 is used for fixedly mounting the slot 211, the slot 211 is replaceable, and when the slot 211 is worn, only the slot 211 can be replaced, so that the maintenance and repair are facilitated, and the cost can be reduced.

In this embodiment, the pressing mechanism further includes a slot holder driving assembly 213, the slot holder driving assembly 213 includes a baffle 214 mounted on the pressing base 202, a first driving member 215 mounted on the baffle 214, a supporting and protecting member 216 slidably mounted on the pressing base 202, and a dustproof elastic member 217 disposed between the baffle 214 and the supporting and protecting member 216, the supporting and protecting member 216 and the dustproof elastic member 217 are both hollow structures, the baffle 214, the supporting and protecting member 216, and the dustproof elastic member 217 enclose a protecting space 218, and a driving end of the first driving member 215 is connected with the slot holder body 209 and is located in the protecting space 218. Specifically, the clamping groove seat driving assembly 213 is used for driving the clamping groove seat 208 to slide, the first driving member 215 can adopt an air cylinder, the piston rod of the first driving member 215 is located in the protection space 218 and moves, the protection space 218 can protect the piston rod of the first driving member 215, debris and dust are prevented from accumulating on the piston rod, the driving precision of the first driving member 215 is ensured, the milling cutter material rod 1 is prevented from rotating relative to the clamping groove 212, the clamping groove seat 208 and the rotating clamping seat 219 are enabled to have high pressing precision on the milling cutter material rod 1, and the clamping effect is good.

In this embodiment, the rotating holder 219 includes a rotating holder body 220, a second mounting groove 221 disposed in the rotating holder body 220, and a conical block 222 mounted in the second mounting groove 221, where the conical block 222 is provided with a conical head 223, and the conical head 223 is in point contact with the outer peripheral surface of the milling cutter material rod 1. Specifically, the second installation slot 221 is used for fixedly installing the taper block 222, the taper block 222 is replaceable, and when the taper block 222 is worn, only the taper block 222 can be replaced, so that the maintenance and repair are facilitated, and the cost can be reduced; the cross section of the conical head 223 is conical, when the milling cutter material rod 1 is pressed, the clamping groove 212 and the conical head 223 act simultaneously and simultaneously abut against the peripheral surface of the milling cutter material rod 1, the axial center line of the conical head 223 and the axial center line of the milling cutter material rod 1 are arranged in a crossed mode, the cross point is a contact point, the contact area between the milling cutter material rod 1 and the conical head 223 can be greatly reduced by the contact point mode, the milling cutter material rod 1 is effectively prevented from rotating relative to the clamping groove 212, the positioning effect is good, the problem of cutting edge precision is solved, and the precision of a finished milling cutter is high.

In this embodiment, the pressing mechanism 03 further includes a rotating holder driving assembly 224, the rotating holder driving assembly 224 includes a second driving member 225 installed on the pressing base 202, a rotating shaft 226 is disposed in the middle of the rotating holder body 220, the rotating shaft 226 is used for rotatably installing the rotating holder body 220 on the pressing base 202, and one end of the rotating holder body 220, which is far away from the second installation slot 221, is rotatably connected to a driving end of the second driving member 225. Specifically, the rotating holder driving assembly 224 is used for driving the rotating holder 219 to rotate; the second driving member 225 may be an air cylinder, and a piston rod of the second driving member 225 is rotatably connected to an end of the rotating holder body 220 away from the second mounting groove 221.

In this embodiment, the pressing base 202 includes an adjustable base set 204 and a fixed base 203, the adjustable base set 204 includes an adjustable base 205, two locking bolts 206 and two locking bolt fixing blocks 207, the two locking bolt fixing blocks 207 are respectively and fixedly installed at two ends of the fixed base 203, the two locking bolts 206 are respectively and threadedly installed at the two locking bolt fixing blocks 207, and the two locking bolts 206 respectively abut against two ends of the adjustable base 205, so as to lock the adjustable base 205 to the fixed base 203. Specifically, the pressing end of the milling cutter material rod 1 is conveyed to the space surrounded by the clamping groove 212 and the rotating clamping seat 219 by the feeding and discharging mechanism 101, the two locking bolts 206 can achieve fine adjustment of the adjustable base 205, and the position of the adjustable base 205 on the fixed base 203 is adjusted, so that the feeding position of the feeding and discharging mechanism 101 is accurately matched with the space surrounded by the clamping groove 212 and the rotating clamping seat 219, and the clamping groove seat 208 and the rotating clamping seat 219 can simultaneously act and simultaneously abut against the outer peripheral surface of the milling cutter material rod 1.

In this embodiment, the slot holder 208 is slidably mounted on the adjustable base 205, and the rotating holder 219 is rotatably mounted on the adjustable base 205. The fine adjustment of the holder 208 and the fine adjustment of the rotating holder 219 are further achieved by fine adjustment of the adjustable base 205.

In this embodiment, the rotating holder driving assembly 224 further includes a rotating holder mounting member 227 installed on the pressing base 202, the rotating holder mounting member 227 has a receiving gap 228, the rotating holder body 220 is rotatably installed in the receiving gap 228 via a rotating shaft 226, and the second driving member 225 is installed on the rotating holder mounting member 227. Specifically, the design of the receiving gap 228 enables the rotating holder mounting member 227 and the rotating holder 219 to be assembled reasonably and more ornamental, and the rotating holder mounting member 227 is mounted on the adjustable base 205.

In this embodiment, the slot-clamping seat 208 is fixedly installed with a stroke positioning column 801, the rotating holder-mounting member 227 is provided with a positioning slot 271 corresponding to the stroke positioning column 801, and the stroke positioning column 801 is used for controlling the distance between the slot-clamping seat 208 and the rotating holder-mounting member 227. Specifically, as shown in fig. 24, the stroke positioning column 801 is fixedly installed on the clamping seat body 209, firstly, the stroke positioning column 801 abuts against the rotating clamping seat installation member 227, one end of the stroke positioning column 801 is inserted into the positioning groove 271, and secondly, as shown in fig. 25, the rotating clamping seat body 220 rotates around the rotating shaft 226 by a certain angle, so that the conical head 223 is pressed and held on the milling cutter material rod 1. Make the stroke distance of pressing from both sides groove seat body 209 and rotation holder installed part 227 keep unanimous, effectively prevent that milling cutter charge bar 1 from pressing to hold the positioning in-process and taking place the angular deviation, improve and press the accuracy nature of holding the action, press and hold effectually.

The rotating holder 19 comprises a rotating holder body 20, a second mounting groove 21 arranged in the rotating holder body 20, and a conical block 22 mounted in the second mounting groove 21, wherein the conical block 22 is provided with a conical head 23, and the conical head 23 is in point contact with the peripheral surface of the milling cutter material rod 1. Specifically, the second mounting slot 21 is used for fixedly mounting the conical block 22, the conical block 22 can be replaced, and when the conical block 22 is worn, only the conical block 22 can be replaced, so that the maintenance and repair are facilitated, and the cost can be reduced; the transversal toper of personally submitting of conical head 23, when holding milling cutter stub bar 1 pressure, press from both sides groove 12 and conical head 23 simultaneous action, conflict milling cutter stub bar 1's outer peripheral face simultaneously, the axial centerline of conical head 23 and the axial centerline crossing arrangement of milling cutter stub bar 1, the crosspoint is the contact point, the contact point's mode can significantly reduce the area of contact of milling cutter stub bar 1 and conical head 23, prevent effectively that milling cutter stub bar 1 from taking place to rotate for pressing from both sides groove 12, the location effect is good, solve the cutting edge precision problem, finished product milling cutter's accuracy is high.

In this embodiment, the resilient pull rod member 64 includes a pull rod body 65 movably mounted to the first movable member 59, and a flexible corrugated member 66 fixedly mounted to an end of the pull rod body 65, wherein the flexible corrugated member 66 abuts against the first movable member 59, and an end of the pull rod body 65 away from the flexible corrugated member 66 is connected to the collet 56. Specifically, the drawbar body 65 and the collet 56 are coaxially arranged, and the drawbar body 65 and the collet 56 are in threaded connection.

In this embodiment, the flexible corrugated member 66 includes a flexible corrugated tube 67 and a locking ring 68 connected to the flexible corrugated tube 67, the locking ring 68 is fixedly connected to the pull rod body 65, and an end of the flexible corrugated tube 67 away from the locking ring 68 abuts against the first movable member 59. Specifically, due to the fact that the elastic force of the common spring is insufficient, the elastic tensile force of the flexible corrugated pipe 67 is extremely strong, and the collet chuck 56 can be tightly pulled by the flexible corrugated pipe 67, the milling cutter charge bar 1 is firmly installed, and the stability and the reliability of installation of the milling cutter charge bar 1 are improved.

In this embodiment, the drawbar rod body 65 is provided with a positioning rod mounting hole 69 and a locking hole 70, the rear positioning rod 71 is mounted in the positioning rod mounting hole 69, a locking member 72 is movably mounted in the locking hole 70, the locking member 72 is used for locking the rear positioning rod 71 in the positioning rod mounting hole 69, the collet 56 is provided with a mounting hole 57, and one end of the rear positioning rod 71, which is far away from the locking member 72, protrudes into the mounting hole 57; when the milling cutter material rod 1 is clamped and mounted with the collet 56, one end of the milling cutter material rod 1 is inserted into the mounting hole 57 and is abutted against the rear positioning rod 71, and the radial length of the milling cutter material rod 1 in the mounting hole 57 is adjusted by adjusting the radial length of the rear positioning rod 71 in the mounting hole 57. Specifically, the positioning and mounting modes of the milling cutter material bar 1 and the collet 56 can adopt a front positioning mode and a rear positioning mode, the rear positioning rod 71 is used for realizing the rear positioning mode, the radial length of the milling cutter material bar 1 in the mounting hole 57 is further adjusted by adjusting the radial length of the rear positioning rod 71 in the mounting hole 57, so that the radial length of the milling cutter material bar 1 exposed outside the mounting hole 57 is kept consistent, when the lengths of the milling cutter material bars 1 in different batches are different, the radial length of the milling cutter material bar 1 exposed outside the mounting hole 57 is kept consistent by adjusting the rear positioning rod 71, and the precision and the yield of the finished milling cutter are high.

In this embodiment, the second movable member 60 is movably provided with a push rod member 73, the push rod member 73 is disposed corresponding to the elastic pull rod member 64, the universal material clamping and rotating mechanism further includes a push rod member driving device 85, the push rod member driving device 85 includes a driving body 86 and a piston rod 87 disposed on the driving body 86 in a driving manner, an end of the piston rod 87 is disposed corresponding to an end of the push rod member 73, and the push rod member driving device 85 is configured to drive the push rod member 73. Specifically, the piston rod 87 is extended to eject the ejection rod 73 in a specified direction, the flexible corrugated tube 67 is compressed, the collet 56 is ejected out of the collet sleeve 62, the milling cutter stub bar 1 can be replaced at the moment, and after the replacement and installation of the milling cutter stub bar 1 are completed, the flexible corrugated tube 67 can tightly pull the collet 56 under the action of elastic tension of the flexible corrugated tube 67, so that the milling cutter stub bar 1 is firmly installed, and the stability and reliability of the installation of the milling cutter stub bar 1 are improved.

In this embodiment, the universal material clamping rotating structure 80 further includes a protection cover 88 and a limit sleeve 89 installed on the protection cover 88, the protection cover 88 and the limit sleeve 89 are both hollow structures, the second moving member 60 is rotatably installed on the limit sleeve 89 through a plurality of first bearings 90, the center fixing block 58, the first moving member 59 and the second moving member 60 are all disposed inside the limit sleeve 89, and the universal material clamping device 81 and the rotary driving device 82 are all disposed inside the protection cover. Specifically, the protective cover 88 is used for protecting the internal structure of the universal material clamping and rotating mechanism and preventing dust and debris from entering. The provision of first bearing 90 enables second moveable member 60 to rotate relative to stop sleeve 89.

In this embodiment, the limiting sleeve 89 is detachably mounted with a collet kit limiting member 91, the collet kit limiting member 91 is a hollow structure, the inside of the limiting sleeve 89 is communicated with the inside of the collet kit limiting member 91, the collet kit limiting member 91 is provided with a limiting through hole 92, and one end of the collet kit 62 is exposed outside the protective cover 88 through the limiting through hole 92. Specifically, the collet sleeve limiting piece 91 is used for limiting the collet sleeve 62, so that the milling cutter material bar 1 is effectively prevented from being subjected to position deviation or angle deviation, the processing precision can be improved, and the collet sleeve limiting piece 91 can also protect the internal structure of the whole universal material clamping device 81.

In this embodiment, the rotation driving device 82 includes a worm wheel 83 mounted on the second movable member 60 and a worm 84 engaged with the outer peripheral surface of the worm wheel 83, one end of the worm 84 is provided with the second gear 21, one end of the worm 84 provided with the second gear 21 protrudes below the worktable plate 22 and is elastically engaged with the first gear 3, the first gear 3 is used for driving the worm 84 to rotate, and the worm wheel 83 and the worm 84 are used for driving the universal clamping device 81 to rotate. Specifically, a plurality of universal material clamping rotating structures 80 are arranged on the working table plate 22 in an annular array, the universal material clamping rotating structures 80 are used for installing a processing workpiece, the processing workpiece needs to rotate in the processing process, and the working table plate 22 can move in the vertical direction and also can rotate. A plurality of working procedures are required in the machining process, each universal material clamping rotating structure 80 corresponds to different machining procedures, as shown in fig. 16, the second gear 21 of the rotating driving device 82a is meshed with the first gear 3a, after the corresponding working procedure is completed, the working table plate 22 is moved and rotated by a preset angle, so that the rotating driving device 82b rotates to the position of the first gear 3a, the rotating driving device 82b is meshed with the first gear 3a, at the moment, the rotating driving device 82a is meshed with the first gear 3b, and by analogy, each universal material clamping rotating structure 80 is matched with each first gear 3 to act. The first gear 3 is completely separated from the universal material clamping rotating structure 80 as a driving source, the first gear 3 is kept still, various air supply power supply circuits do not need to be arranged on the universal material clamping rotating structure 80 due to the design, the vertical movement and the rotating action of the workbench plate 22 are facilitated, the structure of the whole machine is compact, and the maintenance can be facilitated without complex circuits.

In this embodiment, the driving base 2 is provided with a fixing sleeve 7, the fixing sleeve 7 is of a hollow tube structure, the first gear 3 is provided with a driving shaft rod 8, the driving shaft rod 8 is arranged in the fixing sleeve 7, and a plurality of second bearings 9 are arranged between the driving shaft rod 8 and the fixing sleeve 7. Specifically, the driving shaft lever 8 is rotatably connected with the fixed sleeve 7 under the action of the second bearing 9, and the rotary driving member 6 drives the driving shaft lever 8 and the elastic connecting member 5 to rotate, so as to drive the first gear 3 to rotate. The fixed sleeve 7 can enable the driving shaft lever 8 to rotate stably, deflection in the rotating process is prevented, and the driving effect is good.

In this embodiment, the elastic connection member 5 includes a flexible corrugated tube 10 and two locking rings 11, the two locking rings 11 are respectively connected to two ends of the flexible corrugated tube 10, one locking ring 11 is fixedly connected to the driving shaft 8, and the other locking ring 11 is fixedly connected to the output end of the rotary driving member 6. Specifically, because the elastic force of ordinary spring is not enough, and the elastic force of flexible bellows 10 is extremely strong, flexible bellows 10 can ensure the dynamics of first gear 3 meshing to and the resilience playback of first gear 3, make the rotation of first gear 3 firm, improve the stability and the reliability of first gear 3. The flexible corrugated pipe 10 ensures that the first gear 3 is always attached to the second gear 21 by utilizing the extremely strong elastic force of the flexible corrugated pipe, thereby effectively preventing the conditions of poor contact, staggered tooth contact and the like, improving the precision of gear engagement, avoiding the slipping condition and having good transmission effect.

In this embodiment, an elastic member 16 is sleeved outside the elastic connecting member 5, one end of the elastic member 16 abuts against the driving base 2, and the other end of the elastic member 16 abuts against the fixing sleeve 7; when the first gear 3 is elastically moved in the direction of the axial center line thereof, both the elastic connecting member 5 and the elastic member 16 are compressed. The resilient member 16 is preferably a spring. Specifically, elastic component 16 remains motionless when first gear 3 rotates, and elastic connection 5 can strengthen elastic connection 5's elastic force, assists flexible bellows 10, guarantees to reset for first gear 3 receives dual elastic force effect, ensures first gear 3 and laminates with second gear 21 all the time, effectively prevents the condition such as contact failure, wrong tooth contact, improves gear engagement's precision, avoids appearing the condition of skidding, and transmission effect is good.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims (10)

1. The utility model provides a multistation milling cutter processing machine, includes the pallet that bears, its characterized in that: the device is characterized by further comprising a rotation control center mechanism, a feeding and discharging mechanism, a plurality of universal material clamping rotating structures, a plurality of gear elastic rotation driving structures and a plurality of pressing and holding mechanisms which are all arranged on the bearing stand, and the universal material clamping rotating structures are connected with the gear elastic rotation driving structures in an elastic driving mode.

2. A multi-station milling cutter machining machine according to claim 1, characterized in that: the pressing and holding mechanism comprises a pressing and holding base, a clamping groove seat and a rotating clamping seat, the clamping groove seat is slidably mounted on the pressing and holding base, the rotating clamping seat is rotatably mounted on the pressing and holding base, the clamping groove seat and the rotating clamping seat are arranged correspondingly, a clamping groove is formed in the clamping groove seat, the milling cutter material rod is limited in a space defined by the clamping groove and the rotating clamping seat, one side of the outer peripheral surface of the milling cutter material rod is in line contact with the clamping groove, and the other side of the outer peripheral surface of the milling cutter material rod is in point contact with the rotating clamping seat.

3. A multi-station milling cutter machining machine according to claim 1, characterized in that: the rotary control center mechanism comprises a rack, a working table plate, a supporting shaft rod, a first fluted disc, a second fluted disc and a workbench driving assembly, wherein the working table plate is arranged on the rack in a sliding and rotating mode, the supporting shaft rod is fixedly arranged at the lower end of the working table plate, the first fluted disc is fixedly arranged at the lower end of the working table plate, the second fluted disc is meshed with the first fluted disc, the workbench driving assembly is in driving connection with the supporting shaft rod, the supporting shaft rod is sleeved with a sliding rotating component, and the workbench driving assembly is used for driving the supporting shaft rod to slide along the direction of an axial center line of the supporting shaft rod and rotate around the axial center line of the supporting shaft rod.

4. A multi-station milling cutter machining machine according to claim 3, characterized in that: the universal material clamping and rotating structure comprises a universal material clamping device and a rotating driving device which are both arranged on the working table plate, the universal material clamping device comprises a central fixed block, a first moving part and a second moving part which are respectively rotatably arranged at the two ends of the central fixed block, the first moving part and the second moving part are both of hollow structures, the first moving part and the second moving part are enclosed to form an accommodating space, the central fixing block is limited in the accommodating space, the first moving part is provided with a collet sleeve, the collet sleeve is of a hollow structure, a collet is movably arranged in the collet sleeve, an elastic pull rod piece is arranged in the first moving part, one end of the elastic pull rod piece elastically abuts against the first moving part, the other end of the elastic pull rod piece is connected with the collet, the collet is used for clamping a milling cutter material rod, the rotary driving device is in driving connection with the second moving part, and the rotary driving device is used for driving the universal material clamping device to rotate.

5. A multi-station milling cutter machining machine according to claim 4, characterized in that: the elastic rotation driving structure of the gear comprises a driving base installed on the rack and a first gear installed on the driving base in a rotating mode, an elastic connecting piece is installed at one end of the first gear, the elastic connecting piece is connected with a rotation driving piece, the rotation driving piece is used for driving the elastic connecting piece and the first gear to rotate, the first gear can rotate around the axial center line of the first gear and elastically move along the axial center line of the first gear, and the first gear is connected with a rotation driving device in an elastic rotation driving mode.

6. A multi-station milling cutter machining machine according to claim 1, characterized in that: the feeding and discharging mechanism is arranged on a sliding rail feeding device and a clamping and positioning device of the bearing stand, the clamping and positioning device comprises a material carrying bottom plate, a positioning top piece and a clamping component, the material carrying bottom plate is slidably mounted on the bearing stand, the positioning top piece is rotatably mounted on the material carrying bottom plate, the clamping component is slidably mounted on the positioning top piece, the sliding rail feeding device is used for feeding milling cutter material rods in a sliding mode, and the sliding path of the sliding rail feeding device and the sliding path of the material carrying bottom plate are arranged in a crossed mode.

7. A multi-station milling cutter machining machine according to claim 4, characterized in that: the elastic pull rod piece comprises a pull rod body movably arranged on the first movable piece and a flexible corrugated part fixedly arranged at one end of the pull rod body, the flexible corrugated part is abutted against the first movable piece, and one end, far away from the flexible corrugated part, of the pull rod body is connected with the collet; the flexible corrugated part comprises a flexible corrugated pipe and a locking ring connected with the flexible corrugated pipe, the locking ring is fixedly connected with the pull rod body, and one end of the flexible corrugated pipe, which is far away from the locking ring, is abutted against the first movable part; the pull rod body is provided with a positioning rod mounting hole and a locking hole, the positioning rod mounting hole is provided with a rear positioning rod, the locking hole is movably provided with a locking piece, the locking piece is used for locking the rear positioning rod in the positioning rod mounting hole, the collet chuck is provided with a mounting hole, and one end of the rear positioning rod, far away from the locking piece, extends into the mounting hole; when the milling cutter charge bar and the collet chuck are clamped and mounted, one end of the milling cutter charge bar is inserted into the mounting hole and abutted against the rear positioning rod, and the radial length of the milling cutter charge bar in the mounting hole is adjusted by adjusting the radial length of the rear positioning rod in the mounting hole.

8. A multi-station milling cutter machining machine according to claim 4, characterized in that: the universal material clamping rotating mechanism further comprises a pushing rod piece driving device, the pushing rod piece driving device comprises a driving body and a piston rod, the driving body is arranged on the piston rod, the end portion of the piston rod is arranged corresponding to the end portion of the pushing rod piece, and the pushing rod piece driving device is used for driving the pushing rod piece.

9. A multi-station milling cutter machining machine according to claim 4, characterized in that: the rotary driving device comprises a worm wheel arranged on the second moving part and a worm meshed with the peripheral face of the worm wheel, a second gear is arranged at one end of the worm, provided with the second gear, extends to the lower portion of the working table plate and is elastically meshed with the first gear, the first gear is used for driving the worm to rotate, and the worm wheel and the worm are used for driving the universal material clamping device to rotate.

10. A multi-station milling cutter machining machine according to claim 5, characterized in that: the elastic connecting piece comprises a flexible corrugated pipe and two locking rings, and the two locking rings are respectively connected to two ends of the flexible corrugated pipe.

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