CN118288047B - Machining and positioning device for workbench upright post of die sinking integrated machine - Google Patents

Abstract

The invention discloses a stand column processing and positioning device of a workbench of an integrated die opening machine, which comprises a first rack, a main shaft rotationally arranged on the first rack, a three-jaw chuck and a motor, wherein the three-jaw chuck is fixed at one end of the main shaft; the device also comprises a second rack and a rotating shaft rotatably arranged on the second rack; a connecting seat is arranged between the first frame and the second frame, the connecting seat also comprises a rotating rod, a sliding block, a stop block and a filling block which are arranged on the connecting shaft, a gear ring is rotationally arranged on the second frame, a connecting gear meshed with the gear ring is rotationally arranged on the second frame, one end of the rotating rod is fixed on the connecting gear, the other end of the rotating rod is rotationally connected with the first frame, the invention can disperse the stress of the motor main shaft after the upright post of the workbench stops rotating and limit the phenomenon of over-rotation of the motor output shaft.

Description

Machining and positioning device for workbench upright post of die sinking integrated machine

Technical Field

The invention relates to a machine tool stand column machining tool, in particular to a stand column machining positioning device for a workbench of a die sinking integrated machine.

Background

The column milling is generally carried out on a vertical milling machine, and when the column milling operation is carried out, a fixture is generally used for clamping and fixing the column, so that the column is prevented from shifting when the milling operation is carried out.

As shown in fig. 1, the axial end of the upright post is provided with a hole, the other end of the upright post is provided with a protruding shaft, when each end face is milled, two axial ends of the upright post of the workbench can be positioned through a tool, after one end face is processed, the upright post of the workbench is driven by a motor to rotate by an angle to continue to process the other end face, but due to the fact that the mass of the upright post of the workbench is large, when the upright post of the workbench is driven by the motor to rotate by a fixed angle and stop, the rotation inertia of the upright post of the workbench can generate larger torsion on a motor shaft, the service life of the motor is seriously influenced, even the phenomenon of over rotation can occur, and errors exist when the end face of the upright post of the workbench is processed.

Disclosure of Invention

The invention aims to provide a workbench stand column machining and positioning device of an integrated die sinking machine, which aims to solve the technical problems.

In order to achieve the above purpose, the present invention provides the following technical solutions: the working table upright post processing and positioning device of the die sinking integrated machine comprises a first positioning mechanism and a second positioning mechanism which are used for positioning the two axial ends of the working table upright post, and also comprises a buffer structure connected between the first positioning mechanism and the second positioning mechanism;

The first positioning mechanism comprises a first frame, a main shaft box, a main shaft and a three-jaw chuck, wherein the main shaft is rotationally arranged in the main shaft box, one end of the main shaft is fixedly connected with the three-jaw chuck, and the first positioning mechanism also comprises a motor for driving the main shaft to rotate;

The second positioning mechanism comprises a second frame, a cylinder body and a rotating shaft, wherein the rotating shaft is rotatably arranged in the cylinder body, and the second positioning mechanism also comprises an expansion assembly which is arranged at one end of the rotating shaft and used for compressing one axial end of the stand column of the workbench;

The buffer structure comprises a connecting seat connected between a first rack and a second rack, and further comprises a rotating rod, a sliding block, a stop block and a filling block, wherein a rotating ring for clamping a protruding shaft of a stand column of a workbench is rotationally arranged on the second rack, a gear ring is arranged at one axial end of the rotating ring, a fixing rod is connected with the outer wall of the rotating shaft and the side end face of the rotating ring, which is far away from the gear ring, of the rotating ring, a connecting gear meshed with the gear ring is rotationally arranged on the second rack, one axial end of the rotating rod is fixed at the axis of the connecting gear, the other end of the rotating rod extends towards one side of the first rack and is rotationally connected with the first rack, a sleeve hole is formed in the middle of the sliding block, a guide shaft is arranged in the sleeve hole, a two-way thread groove for sliding the guide shaft is formed in the outer wall of the rotating rod, the stop block is slidingly arranged on the connecting seat and sleeved on the rotating rod, a plurality of groups of filling blocks are arranged along the sliding direction of the stop block, the top of the connecting seat is provided with a filling groove, and the plurality of groups of filling blocks are filled in the filling groove and form up-down sliding connection, and driving components for driving the filling blocks to slide up and down in the connecting seat are arranged.

Preferably, the width dimension of the stop block is the same as the width dimension of the filling block, the distance between the bottom end of the stop block and the top end of the connecting seat is smaller than the distance between the bottom end of the sliding block and the top end of the connecting seat, a bottom plate is arranged in the filling groove in a vertical sliding mode, each group of filling blocks are arranged above the bottom plate and connected with the bottom plate through elastic pieces, and the driving assembly drives the bottom plate to move up and down to drive the filling blocks to move up and down.

Preferably, the drive assembly includes worm wheel and worm, it is equipped with the change groove to fill groove bottom inner wall, and the change inslot rotation is equipped with the adapter, the lateral wall of bottom plate and the laminating of filling groove inside wall set up, and the bottom plate bottom is equipped with the sill bar, the sill bar inserts the adapter middle part and forms threaded connection, the worm wheel is fixed to be set up in the adapter bottom and rotate and set up the connecting seat, the worm rotates and sets up in the connecting seat and be connected with the worm wheel meshing.

Preferably, inclined planes are arranged on two sides of the top end of each group of filling blocks, and adjacent filling blocks are arranged in a bonding mode.

Preferably, the front and rear inner walls of the filling groove are provided with stabilizing grooves, the front and rear outer walls of the filling block are provided with first side bars which are in sliding connection with the stabilizing grooves, and the front and rear sides of the bottom plate are provided with second side bars which are in sliding connection with the stabilizing grooves.

Preferably, the front and back sides of the connecting seat are symmetrically provided with side plates, sliding grooves are formed in the side plates, and first limiting blocks which are in sliding connection with the sliding grooves are arranged on two sides of the sliding blocks.

Preferably, the stop block is provided with two groups and is respectively arranged at two sides of the sliding block, and a second limiting block which is in sliding connection with the sliding groove is arranged on the outer wall of the stop block.

Preferably, the motor is connected with the main shaft through a reduction gear set, the reduction gear set comprises a first gear, a second gear, a third gear, a fourth gear and a connecting shaft, the first gear is fixed at the outer end of the output end of the motor and is meshed with the second gear, the connecting shaft is rotatably arranged on the first frame, two ends of the connecting shaft are respectively connected with the second gear and the third gear, and the fourth gear is fixed on the main shaft and meshed with the third gear.

Preferably, the expansion assembly comprises a chuck, a pull rod, a pull plate and a pull ring, wherein the pull rod penetrates through the middle of the rotating shaft and forms sliding connection, the chuck is sleeved at one end of the rotating shaft, the outer wall of one end of the rotating shaft, which is sleeved by the chuck, is a conical surface, the pull plate is fixed at one end of the pull rod, the chuck is tightly pressed, one end of the pull rod, which is far away from the pull plate, extends out of the rotating shaft and is connected with the pull ring, the pull ring is in threaded connection with the pull rod, and a hydraulic mechanism for limiting the rotation of the rotating shaft is arranged in the cylinder.

Preferably, the hydraulic mechanism comprises a valve rod and a brake flange, wherein the brake flange is fixed inside the cylinder and sleeved outside the rotating shaft, the brake flange is annularly arranged, an annular groove is formed in the periphery of the brake flange, and a liquid channel which is communicated with the valve rod and the annular groove is formed inside the cylinder.

Compared with the prior art, the invention has the beneficial effects that:

the motor on the first positioning mechanism rotates to drive the stand column of the workbench to rotate for an angle and then to process the end face, and a second positioning mechanism is arranged on the other side of the first positioning mechanism and comprises a rotating shaft and an expansion assembly arranged at one end of the rotating shaft and used for pressing one axial end of the stand column of the workbench, so that the stand column of the workbench is kept stable in the rotating process;

The connecting gear meshed with the gear ring is rotated on the second frame, the gear ring is fixedly connected with the rotating shaft through a rotating ring, the connecting gear is axially connected with the rotating rod, a sliding block and a stop block are arranged on the rotating rod in a sliding mode, a guide shaft matched with the bidirectional thread groove is arranged on the sliding block, a connecting seat is arranged between the first frame and the second frame, and the connecting seat is provided with filling blocks in a sliding mode up and down, so that the working table upright post can drive the connecting gear to rotate when rotating, the sliding block is driven to slide through the rotating shaft, the stop block is moved to a position where the sliding block can reach when the working table upright post stops rotating, the stop block can be limited by upwards sliding, the sliding block can not move continuously after being moved to be contacted with the stop block, torsion force of an output shaft of the motor due to inertia is dispersed, an over-rotation phenomenon is avoided, and working table upright post machining precision is guaranteed;

The hydraulic mechanism is arranged in the barrel body, and the rotation of the rotating shaft can be limited when the end face of the stand column of the workbench is processed, so that the stand column of the workbench is kept stable in the processing process.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an illustrative schematic of a table post of the present invention;

FIG. 2 is a schematic view of the first positioning mechanism, the second positioning mechanism and the table upright of the present invention;

FIG. 3 is another schematic view of the first positioning mechanism, the second positioning mechanism and the table post of the present invention;

FIG. 4 is a schematic view of the overall structure of the cushioning structure of the present invention;

FIG. 5 is an exploded schematic view of the cushioning structure of the present invention;

FIG. 6 is a schematic cross-sectional view of the invention highlighting the base plate, spring and filler piece;

FIG. 7 is a schematic cross-sectional view of a second positioning mechanism of the present invention;

FIG. 8 is a schematic cross-sectional view of the salient compaction assembly of the present invention.

In the drawings, the list of components represented by the various numbers is as follows:

1. A workbench upright post; 2. a first positioning mechanism; 201. a first frame; 202. a spindle box; 203. a main shaft; 204. a three-jaw chuck; 205. a motor; 3. a second positioning mechanism; 301. a second frame; 302. a cylinder; 303. a rotating shaft; 4. a buffer structure; 401. a connecting seat; 402. a rotating rod; 403. a slide block; 404. a stop block; 405. filling blocks; 5. a chuck; 6. a pull rod; 7. pulling a plate; 8. a pull ring; 9. a positioning plate; 10. a swivel; 11. a gear ring; 12. a fixed rod; 13. trepanning; 14. a guide shaft; 15. a bidirectional thread groove; 16. filling the groove; 17. a lower placing plate; 18. an upper locking plate; 19. a bottom plate; 20. a worm wheel; 21. a worm; 22. a rotating sleeve; 23. a bottom bar; 24. a spring; 25. a scale; 26. an inclined plane; 27. a side plate; 28. a chute; 30. a first limiting block; 31. a second limiting block; 32. a compression assembly; 3201. a supporting rod; 3202. a compression bar; 3203. an arc-shaped pressing plate; 33. a balance weight; 34. a balance spring; 35. a limiting plate; 36. a limit spring; 37. a stabilizing groove; 38. a first side bar; 39. a first gear; 40. a second gear; 41. a third gear; 42. a fourth gear; 43. a connecting shaft; 44. a valve stem; 45. a brake flange; 46. an annular groove; 47. a liquid channel; 48. and (5) connecting gears.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-8, the present invention provides a technical solution:

referring to fig. 2, a workbench stand column processing and positioning device of an integrated die sinking machine comprises a first positioning mechanism 2 and a second positioning mechanism 3 for positioning two axial ends of a workbench stand column 1, and also comprises a buffer structure 4 (referring to fig. 4) connected between the first positioning mechanism 2 and the second positioning mechanism 3;

Referring to fig. 2 and 3, the first positioning mechanism 2 includes a first frame 201, a headstock 202, a main shaft 203, and a three-jaw chuck 204, wherein the main shaft 203 is rotatably disposed in the headstock 202, one end of the main shaft 203 is fixedly connected with the three-jaw chuck 204, and further includes a motor 205 for driving the main shaft 203 to rotate, the main shaft 203 rotates and clamps one end of the working table upright 1 through the three-jaw chuck 204 to drive the working table upright 1 to rotate, and according to the condition of a hole position at one end of the working table upright 1, the three-jaw chuck 204 is selected to extend into the hole position and one end of the working table upright 1 is fixed through the opening of the three-jaw chuck;

Referring to fig. 2, 3, 7, according to the fixed needs of workstation stand 1 axial other end set up second positioning mechanism 3, second positioning mechanism 3 includes second frame 301, barrel 302 and rotate the pivot 303 that sets up in barrel 302, still including set up in pivot 303 one end be used for compressing tightly the expansion assembly of workstation stand 1 axial one end, expansion assembly is used for forming fastening connection with workstation stand 1 one end and pivot 303, wherein, expansion assembly includes chuck 5, pull rod 6, arm-tie 7 and pull ring 8, pull rod 6 runs through pivot 303 middle part and can slide in pivot 303 axial direction, the one end of pivot 303 is located to chuck 5 cover, the one end outer wall that the pivot 303 supplies chuck 5 cover to establish is the conical surface, the arm-tie 7 is fixed in the one end of pull rod 6 and is used for compressing tightly chuck 5, the one end that pull rod 6 kept away from arm-tie 7 extends to the pivot 303 outside and is connected with pull ring 8, pull ring 8 threaded connection is on pull rod 6, workstation stand 1 protruding shaft portion middle part sets up the hole site (refer to fig. 1), after workstation stand 1 passes through the pull ring cover is established on chuck 5, through rotating 8, 8 will be towards the arm-tie rod 6 threaded connection with one end will pull plate 7, can take place the conical surface through the boss 7, thereby can take place the instruction with the boss 5, the boss position will be tightly matched with the pivot 5, the needs of the boss is the boss 5, can be compressed tightly located at the pivot, the boss is located: in order to limit the rotation of the pull rod 6 and the rotating shaft 303, the position of the pull rod 6 inside the rotating shaft 303 can be set to be non-circular, in addition, one end of the rotating shaft 303 with a conical surface can be provided with a step, so that the chuck 5 is prevented from sliding too much under the pressure of the pull plate 7.

Referring to fig. 3,4 and 5, in order to prevent all inertial force generated when the table upright 1 stops from acting on the output end of the motor 205, a buffer structure 4 is disposed between the first frame 201 and the second frame 301 to disperse the inertial force, the buffer structure 4 includes a connection seat 401 connected between the first frame 201 and the second frame 301, and further includes a rotating rod 402, a sliding block 403, a stop block 404 and a filling block 405, a positioning plate 9 is disposed on one side of the top of the second frame 301 near the first frame 201, a swivel 10 for clamping a protruding shaft of the table upright 1 is rotationally disposed on the positioning plate 9, a gear ring 11 is disposed on one axial end of the swivel 10, The outer wall of the rotating shaft 303 and the side end face of the rotating ring 10 far away from the gear ring 11 are connected with a fixed rod 12, a connecting gear 48 meshed with the gear ring 11 is rotationally arranged on the second rack 301, one axial end of the rotating rod 402 is fixed at the axle center of the connecting gear 48, the other end extends towards one side of the first rack 201 and is rotationally connected with the first rack 201, a sleeve hole 13 is arranged in the middle of the sliding block 403, a guide shaft 14 is arranged in the sleeve hole 13, a bidirectional thread groove 15 for sliding the guide shaft 14 is arranged on the outer wall of the rotating rod 402, the rotating ring 10 is driven to rotate when the motor 205 drives the working table upright 1 to rotate, the rotating rod 402 is driven to rotate through the meshing of the gear ring 11 and the connecting gear 48, The rotation of the rotating rod 402 drives the sliding block 403 to slide, the stop block 404 is arranged on the connecting seat 401 in a sliding way and sleeved on the rotating rod 402, a plurality of groups of filling blocks 405 are arranged along the sliding direction of the stop block 404, the top of the connecting seat 401 is provided with a filling groove 16, a plurality of groups of filling blocks 405 are filled in the filling groove 16 and form up-down sliding connection, and adjacent filling blocks 405 are in fit arrangement, wherein the outer wall of the rotating rod 402 is provided with a scale 25, the scale 25 is used for judging the sliding distance of the sliding block 403 when the upright column 1 of the workbench rotates for a certain angle, When the workbench upright 1 rotates once during manufacturing, the guide shaft 14 in the sliding block 403 slides from one end of the bidirectional thread groove 15 to the other end, and the scale 25 on the rotating shaft 303 can mark the distance from one end to the other end of the bidirectional thread groove 15; after determining the relation between the rotation angle of the stand column 1 of the workbench and the sliding distance of the sliding block 403, the end position of the sliding block 403 sliding after the stand column 1 of the workbench rotates can be judged according to the angle required to rotate, the baffle plate can be slid to the adjacent position of the end position of the sliding block 403 sliding, then by moving up all the filling blocks 405, the filling blocks 405 will fill the left and right sides of the stop block 404 to limit the sliding of the stop block 404, when the stand column 1 of the workbench rotates by one angle and stops, the stop block 403 slides to the end point to contact with the stop block 404, the stop block 404 will limit the sliding block 403 to continue sliding, the phenomenon of over rotation of the output shaft of the motor 205 can be avoided, And the inertia force generated by stopping the stand column 1 of the workbench is prevented from acting on the output shaft of the motor 205 under the impact of the slide block 403 and the stop block 404; it should be noted that: because the first stand 201 and the second stand 301 are fixed through the connecting seat 401, in order to avoid that the workbench upright 1 cannot be lifted between the first positioning mechanism 2 and the second positioning mechanism 3 for positioning, the cylinder 302 is movably arranged on the second stand 301, the second stand 301 is provided with the lower placing plate 17 and the upper locking plate 18, at this time, the swivel 10 can slide in the positioning plate 9 along the axial direction for a distance without separating from the positioning plate 9, and after the cylinder 302 determines the position, the upper locking plate 18 is locked on the lower placing plate 17 through bolts to fix the cylinder 302.

Referring to fig. 5 and 6, in order to facilitate simultaneous driving of all filling blocks 405 to move up and down, a bottom plate 19 is provided in the filling groove 16 in a sliding manner, each group of filling blocks 405 is disposed above the bottom plate 19, a driving assembly for driving the bottom plate 19 to move up and down is provided in the connecting seat 401, the driving assembly includes a worm wheel 20 and a worm 21, a rotating groove is provided in an inner wall of the bottom of the filling groove 16, a rotating sleeve 22 is rotationally provided in the rotating groove, an outer side wall of the bottom plate 19 is attached to an inner side wall of the filling groove 16, a bottom rod 23 is provided at the bottom of the bottom plate 19, the bottom rod 23 is inserted into the middle of the rotating sleeve 22 and forms a threaded connection, the worm wheel 20 is fixedly disposed at the bottom end of the rotating sleeve 22 and is rotationally disposed in the connecting seat 401, the worm 21 is rotationally disposed in the connecting seat 401 and is meshed with the worm wheel 20, and the worm wheel 20 can be driven to rotate by rotating the worm wheel 21, so that the rotating sleeve 22 is driven to move up and down by the bottom rod 23, so that all filling blocks 405 are driven to move up and down by the bottom plate 19, one end of the worm 21 passes out of the connecting seat 401 and is connected with a hand wheel, and is convenient for personnel to rotate.

Referring to fig. 5 and 6, in order to avoid that when all the filling blocks 405 move up, part of the filling blocks 405 are abutted against the stop blocks 404, so that other filling blocks 405 cannot move up, each group of filling blocks 405 is connected with the bottom plate 19 through an elastic member, the elastic member may be a spring 24, and when all the filling blocks 405 move up through the bottom plate 19, the filling blocks 405 abutted against the stop blocks 404 compress the spring 24 and cannot move up, so that other stop blocks 404 cannot be interfered to move up.

Referring to fig. 5 and 6, in order to ensure that after the filling blocks 405 are moved up, both the left and right sides of the stopper 404 are blocked by the filling blocks 405, the width dimension of the stopper 404 is the same as the width dimension of the filling blocks 405, and when all the filling blocks 405 are moved up, only one group of filling blocks 405 is blocked by the stopper 404, and the filling blocks 405 replace the blocked filling blocks 405 and are adjacently arranged with other filling blocks 405.

Referring to fig. 4 and 5, in order to avoid that the position of the block 404 is located above two filling blocks 405, so that the two sets of filling blocks 405 cannot move upwards, the width dimension of the filling blocks 405 is manufactured by customization, for example, the distance from one end to the other end of the bidirectional screw groove 15 of the block 403 is twelve filling blocks 405, so that each time the block 403 passes through the block 405, the block 1 will rotate 30 ° for every distance from the block 405 to the block 1, and therefore, for every time the block 1 rotates to process the next end, the block 403 will pass through two filling blocks 405, at this time, the block 403 is located right above one set of filling blocks 405 (at the time of manufacturing, the width dimension of the block 403 is the same as the width dimension of the filling blocks 405 and the block 404), and the block 404 is located right above the next filling block 405, and when all the filling blocks 405 move upwards, only one set of filling blocks 405 are blocked by the block 404, which needs to be described: when the workbench upright post 1 rotates for one circle and the distance from one end of the two-way thread groove 15 to the other end of the slide block 403 is twelve filling blocks 405, more than twelve filling blocks 405 can be arranged on the filling blocks 405 in the filling groove 16, so that the filling blocks 405 can move upwards to limit the left side and the right side of the stop block 404 when the stop block 404 is positioned at any end position of the stop block 403.

Referring to fig. 6, in order not to affect the normal movement of the slider 403 while limiting the lateral movement of the stopper 404 by upward movement of all the filling blocks 405, the distance between the bottom end of the stopper 404 and the top end of the connection block 401 is smaller than the distance between the bottom end of the slider 403 and the top end of the connection block 401, and the upward movement of the filling blocks 405 will not interfere with the normal movement of the slider 403.

Referring to fig. 6, in order to reduce the time for sliding the stopper 404 to a position that resists the end position of the slider 403 and the alignment of the filling blocks 405, inclined planes 26 are provided on both sides of the top end of each group of filling blocks 405, when the stopper 404 is slid, all the filling blocks 405 can be driven to move up a distance so that the height position of the bottom end surface of the stopper 404 is at the height position of the inclined planes 26, after the slider 403 slides to a position that resists the end position of the slider 403, all the filling blocks 405 are driven to continue to move up until the side wall plane parts of the filling blocks 405 are contacted with the side walls of the stopper 404, and the stopper 404 is automatically guided to slide directly above one group of filling blocks 405 under the action of the inclined planes 26.

Referring to fig. 6, in order to make the slider 403 stably slide on the rotating rod 402, the front and rear sides of the connection seat 401 are symmetrically provided with side plates 27, the side plates 27 are provided with sliding grooves 28, and the two sides of the slider 403 are provided with first limiting blocks 30 which form sliding connection with the sliding grooves 28.

Referring to fig. 6, specifically, two sets of stoppers 404 are provided on two sides of the slider 403, and the outer wall of the stopper 404 is provided with a second stopper 31 slidably connected with the chute 28, and by providing the stoppers 404 on two sides of the slider 403, the stoppers 404 can be used to cooperate with the bidirectional thread groove 15 on the rotating rod 402, so that the slider 403 can be limited by the stoppers 404 when sliding along two sides of the axis of the rotating shaft 303.

Referring to fig. 8, in order to make the sliding block 403 more stable after sliding to the attaching position of the stopper 404, a pressing component 32 is disposed in the sliding block 403, the pressing component 32 includes a supporting rod 3201, a pressing rod 3202 and an arc pressing plate 3203, a pressing rod 3202 groove for the pressing rod 3202 to slide along the sleeve hole 13 in the radial direction is disposed in the sliding block 403, a supporting rod 3201 groove for the supporting rod 3201 to slide along the sleeve hole 13 in the axial direction is also disposed in the sliding block 403, the supporting rod 3201 groove is communicated with the pressing rod 3202 groove, a balancing groove is disposed on the inner wall of the middle portion of the supporting rod 3201 groove, a balancing block 33 in sliding connection with the balancing groove is disposed on the outer wall of the supporting rod 3201, two groups of balancing springs 34 are sleeved at the balancing groove, and the two groups of balancing springs 34 are respectively disposed at two sides of the balancing block 33, and in the initial state, the balancing hole is located in the middle of the balancing groove; the inner wall in depression bar 3202 groove is equipped with the spacing groove on, the depression bar 3202 outer wall is equipped with the limiting plate 35 with spacing groove forming sliding connection, depression bar 3202 is located spacing groove department cover and is equipped with spacing spring 36, spacing spring 36 drive depression bar 3202 is towards being close to one side of support bar 3201 and offset with support bar 3201, the both sides of the one end that depression bar 3202 and support bar 3201 offset set up support inclined plane 26, be equipped with the support groove that support inclined plane 26 part that supplies depression bar 3202 on support bar 3201, the one end that the arc clamp plate 3203 is fixed in depression bar 3202 and is close to trepanning 13, the one end that the depression bar 3202 groove is close to trepanning 13 sets up the arc clamp plate 3203 groove that supplies arc clamp plate 3203 to slide, the laminating bull stick 402 outer wall that arc clamp plate 3203 can be better, support bar 3201's both ends extend to outside the slider 403 respectively, slider 403 is when sliding to laminating with the dog 404, and support bar 3201 will be moved towards the one end that keeps away from the dog 404, and support inclined plane 26's contact through support groove and drive depression bar 3202 along trepanning 13, make arc clamp plate 3203 compress tightly on the outer wall, make the current position be in the radial direction 32 of the setting of the stable assembly of compression assembly, can compress tightly 32 in the radial direction 32.

Referring to fig. 5, in order to improve the stability of the vertical sliding movement of the filling block 405 and the bottom plate 19, the front and rear inner walls of the filling slot 16 are provided with stabilizing slots 37, the front and rear outer walls of the filling block 405 are provided with first side bars 38 which form sliding connection with the stabilizing slots 37, and the front and rear sides of the bottom plate 19 are provided with second side bars which form sliding connection with the stabilizing slots 37.

Referring to fig. 2, the motor 205 is connected with the main shaft 203 through a reduction gear set, the reduction gear set includes a first gear 39, a second gear 40, a third gear 41, a fourth gear 42 and a connecting shaft 43, the first gear 39 is fixed at the outer end of the output end of the motor 205 and is in meshed connection with the second gear 40, the connecting shaft 43 is rotatably arranged on the first frame 201, two ends of the connecting shaft are respectively connected with the second gear 40 and the third gear 41, the fourth gear 42 is fixed on the main shaft 203 and is in meshed connection with the third gear 41, the motor 205 can be prevented from directly driving the workbench upright post 1 to rotate through the reduction gear set, and the motor 205 is effectively protected.

Referring to fig. 7, in order to better limit the rotation of the workbench stand 1 during the processing of the workbench stand 1, a hydraulic mechanism for limiting the rotation of the rotating shaft 303 is arranged in the cylinder 302, the hydraulic mechanism comprises a valve rod 44 and a brake flange 45, the brake flange 45 is fixed inside the cylinder 302 and sleeved outside the rotating shaft 303, the brake flange 45 is annularly arranged and is provided with an annular groove 46 at the periphery, a liquid channel 47 for communicating the valve rod 44 with the annular groove 46 is arranged inside the cylinder 302, when the workbench stand 1 needs to be processed at the end face after rotating, the valve rod 44 is connected through an external hydraulic pump, the valve rod 44 can be communicated with an external oil way, hydraulic oil is pumped into the annular groove 46 from the liquid channel 47, the brake flange 45 is driven to be retracted to compress the rotating shaft 303 through the hydraulic oil, and the rotation of the rotating shaft 303 is limited: sealing rings are provided on both sides of the annular groove 46 on the outer circumferential side of the brake flange 45 to improve sealability.

Referring to fig. 1-8, when the device is used, during processing of the workbench stand column 1, the workbench stand column 1 is lifted by the lifting device, one end of the workbench stand column 1 is clamped into the three-jaw chuck 204 on the first positioning mechanism 2, the workbench stand column 1 is fixed by the three-jaw chuck 204, the protruding shaft at the other end of the workbench is extended into the swivel 10 and the clamping head 5 is clamped into the hole in the middle of the protruding shaft, the pull ring 8 is rotated by a tool, the pull ring 8 is rotated to drive the pull rod 6 to move towards one end far away from the workbench stand column 1, the clamping head 5 is tensioned by the pull plate 7, the clamping head 5 is expanded to compress the inner wall of the hole in the middle of the protruding shaft, and therefore, the positioning of the two ends of the workbench stand column 1 is completed, and after the clamping head 5 and the protruding shaft of the workbench are relatively fixed, the cylinder 302 can be compressed and fixed on the lower placing plate 17 by the upper locking plate 18.

After the positioning of the workbench stand column 1 is completed, hydraulic oil is pumped into the cylinder 302 through an external hydraulic pump, the brake flange 45 is compressed to limit the rotation of the rotating shaft 303, the end face of the workbench stand column 1 can be processed, after one end face of the workbench stand column 1 is processed, the stop block 404 axially slides along the rotating rod 402 and passes through the distance between two filling blocks 405 from the position of the bonding slide block 403 (the position of the hexagonal prism is switched to the next end face every 60 DEG when the stop block 404 passes through one filling block 405 hexagonal prism and can rotate 30 DEG when the hexagonal prism rotates), then the worm 21 drives the worm wheel 20 to rotate through the rotating worm 21, the worm wheel 20 rotates to drive the rotating sleeve 22 to rotate, the rotating sleeve 22 rotates to drive the bottom rod 23 to move upwards, all the filling blocks 405 are driven by the bottom plate 19 to move upwards, other filling blocks 405 except the filling blocks 405 right below the stop block 404 are upwards moved to two sides of the stop block 404 to limit the stop block 404, at this time, the hydraulic oil in the liquid channel 47 is depressurized by the hydraulic pump to lead the brake flange 45 to be separated from the fixation of the counter rotating shaft 303, the motor 205 is started, the motor 205 rotates and drives the main shaft 203 to rotate through the reduction gear set, the main shaft 203 rotates to drive the workbench stand column 1 to rotate, the workbench stand column 1 rotates to drive the rotating ring 10 to rotate, the rotating ring 10 rotates to drive the rotating rod 402 to rotate through the meshing of the gear ring 11 and the connecting gear 48, the rotating rod 402 rotates to drive the sliding block 403 to slide through the cooperation of the guide shaft 14 and the bidirectional thread groove 15, the motor 205 stops rotating when the workbench stand column 1 rotates by 60 degrees, at this time, the sliding block 403 just clings to the stop block 404, meanwhile, the abutting rod 3201 slides towards the side far away from the stop block 404, and drives the pressing rod 3202 to slide towards the sleeve hole 13 side through the cooperation of the abutting groove and the abutting inclined surface 26, so that the arc pressing plate 3203 compresses the outer wall of the rotating rod 402, the slide block 403 is more stably positioned at the current position, and then the hydraulic pump pumps the hydraulic oil into the liquid channel 47 of the cylinder 302 and compresses the brake flange 45, and the rotating shaft 303 is compressed and fixed through the brake flange 45, so that the end face of the workbench upright post 1 can be processed.

In the description of the present invention, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims (8)

1. The utility model provides a die sinking all-in-one workstation stand processing positioner which characterized in that: the device comprises a first positioning mechanism (2) and a second positioning mechanism (3) which are used for positioning two axial ends of a stand column (1) of a workbench, and also comprises a buffer structure (4) connected between the first positioning mechanism (2) and the second positioning mechanism (3);

The first positioning mechanism (2) comprises a first frame (201), a spindle box (202), a spindle (203) and a three-jaw chuck (204), wherein the spindle (203) is rotatably arranged in the spindle box (202), one end of the spindle (203) is fixedly connected with the three-jaw chuck (204), the first positioning mechanism also comprises a motor (205) for driving the spindle (203) to rotate, and the spindle (203) rotates and clamps one end of a workbench upright post (1) through the three-jaw chuck (204) to drive the workbench upright post (1) to rotate;

The second positioning mechanism (3) comprises a second rack (301), a cylinder (302) and a rotating shaft (303) rotatably arranged in the cylinder (302), and also comprises an expansion assembly arranged at one end of the rotating shaft (303) and used for compressing one axial end of the workbench upright post (1);

The buffer structure (4) comprises a connecting seat (401) connected between the first rack (201) and the second rack (301), and further comprises a rotating rod (402), a sliding block (403), a stop block (404) and a filling block (405), wherein a rotating ring (10) for clamping a protruding shaft of a working table upright post (1) is rotationally arranged on the second rack (301), one axial end of the rotating ring (10) is provided with a gear ring (11), the outer wall of the rotating shaft (303) and the side end surface of the rotating ring (10) far away from the gear ring (11) are connected with a fixed rod (12), a connecting gear (48) meshed with the gear ring (11) is rotationally arranged on the second rack (301), one axial end of the rotating rod (402) is fixed at the axis of the connecting gear (48), the other end extends towards one side of the first rack (201) and is rotationally connected with the first rack (201), a sleeve hole (13) is formed in the middle of the sliding block (403), a guide shaft (14) is arranged in the sleeve hole (13), a guide shaft (14) is arranged on the outer wall of the rotating rod (402), a plurality of groups of screw grooves (15) for sliding along the sliding blocks (404) are arranged on the sliding seat (404), the top of the connecting seat (401) is provided with a filling groove (16), a plurality of groups of filling blocks (405) are filled in the filling groove (16) and form up-down sliding connection, and a driving assembly for driving the filling blocks (405) to slide up and down is arranged in the connecting seat (401);

The width of the stop block (404) is the same as that of the filling block (405), the distance between the bottom end of the stop block (404) and the top end of the connecting seat (401) is smaller than that between the bottom end of the sliding block (403) and the top end of the connecting seat (401), a bottom plate (19) is arranged in the filling groove (16) in a sliding manner up and down, each group of filling blocks (405) is arranged above the bottom plate (19) and connected with the bottom plate (19) through an elastic piece, and the driving assembly drives the bottom plate (19) to move up and down so as to drive the filling blocks (405) to move up and down;

inclined planes (26) are arranged on two sides of the top end of each group of filling blocks (405), and adjacent filling blocks (405) are arranged in a fitting mode.

2. The die sinking all-in-one table stand machining positioning device according to claim 1, wherein: the driving assembly comprises a worm wheel (20) and a worm (21), a rotating groove is formed in the inner wall of the bottom of the filling groove (16), a rotating sleeve (22) is rotationally arranged in the rotating groove, the outer side wall of the bottom plate (19) is attached to the inner side wall of the filling groove (16), a bottom rod (23) is arranged at the bottom of the bottom plate (19), the bottom rod (23) is inserted into the middle of the rotating sleeve (22) and is in threaded connection, the worm wheel (20) is fixedly arranged at the bottom end of the rotating sleeve (22) and is rotationally arranged in the connecting seat (401), and the worm (21) is rotationally arranged in the connecting seat (401) and is in meshed connection with the worm wheel (20).

3. The die sinking all-in-one table stand machining positioning device according to claim 2, wherein: the front and rear inner walls of the filling groove (16) are provided with stabilizing grooves (37), the front and rear outer walls of the filling block (405) are provided with first side bars (38) which are in sliding connection with the stabilizing grooves (37), and the front and rear sides of the bottom plate (19) are provided with second side bars which are in sliding connection with the stabilizing grooves (37).

4. The die sinking all-in-one table stand machining positioning device according to claim 1, wherein: the connecting seat (401) is characterized in that side plates (27) are symmetrically arranged on the front side and the rear side, sliding grooves (28) are formed in the side plates (27), and first limiting blocks (30) which are in sliding connection with the sliding grooves (28) are arranged on two sides of the sliding blocks (403).

5. The positioning device for machining a workbench stand column of a die sinking integrated machine as claimed in claim 4, wherein the positioning device is characterized in that: the two groups of the stop blocks (404) are arranged on two sides of the sliding block (403), and the outer wall of the stop block (404) is provided with a second limiting block (31) which is in sliding connection with the sliding groove (28).

6. The die sinking all-in-one table stand machining positioning device according to claim 1, wherein: the motor (205) is connected with the main shaft (203) through a reduction gear set, the reduction gear set comprises a first gear (39), a second gear (40), a third gear (41), a fourth gear (42) and a connecting shaft (43), the first gear (39) is fixed at the outer end of the output end of the motor (205) and is meshed with the second gear (40), the connecting shaft (43) is rotatably arranged on the first frame (201) and two ends of the connecting shaft are respectively connected with the second gear (40) and the third gear (41), and the fourth gear (42) is fixed on the main shaft (203) and meshed with the third gear (41).

7. The die sinking all-in-one table stand machining positioning device according to claim 1, wherein: the expansion assembly comprises a chuck (5), a pull rod (6), a pull plate (7) and a pull ring (8), wherein the pull rod (6) penetrates through the middle of a rotating shaft (303) and forms sliding connection, the chuck (5) is sleeved at one end of the rotating shaft (303), the outer wall of one end, sleeved by the chuck (5), of the rotating shaft (303) is a conical surface, the pull plate (7) is fixed at one end of the pull rod (6) and used for compressing the chuck (5), one end, far away from the pull plate (7), of the pull rod (6) extends out of the rotating shaft (303) and is connected with the pull ring (8), the pull ring (8) is in threaded connection with the pull rod (6), and a hydraulic mechanism used for limiting the rotation of the rotating shaft (303) is arranged in the cylinder (302).

8. The die sinking all-in-one table stand machining positioning device according to claim 1, wherein: the hydraulic mechanism comprises a valve rod (44) and a brake flange (45), wherein the brake flange (45) is fixed inside the cylinder body (302) and sleeved outside the rotating shaft (303), the brake flange (45) is annularly arranged, an annular groove (46) is formed in the periphery of the brake flange, and a liquid channel (47) for communicating the valve rod (44) with the annular groove (46) is formed inside the cylinder body (302).