CN116922109A - Numerical control rotary table - Google Patents
Numerical control rotary table Download PDFInfo
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- CN116922109A CN116922109A CN202310571657.2A CN202310571657A CN116922109A CN 116922109 A CN116922109 A CN 116922109A CN 202310571657 A CN202310571657 A CN 202310571657A CN 116922109 A CN116922109 A CN 116922109A
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- 230000005540 biological transmission Effects 0.000 claims description 29
- 210000001503 joint Anatomy 0.000 claims description 19
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 230000013011 mating Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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Abstract
The invention discloses a numerical control turntable in the technical field of numerical control turntables, which comprises a bottom turntable and a working turntable, wherein a lifting screw rod is rotationally connected in the middle of an adjusting groove, a transverse pull rod is matched outside the lifting screw rod, the transverse pull rod is positioned in the adjusting groove, two ends of the transverse pull rod are fixedly connected with a connecting turntable, the outer side of the connecting turntable is fixedly connected with limiting columns, two sides of the bottom turntable are rotationally connected with limiting screws, one ends of the limiting screws penetrate through the limiting columns to be in threaded fit with the limiting columns, two sides of the working turntable are rotationally connected with lifting rotating shafts, the ends of the lifting rotating shafts are fixedly connected with supporting rods, one ends of the supporting rods are rotationally connected with the connecting turntable, a matching block is rotationally connected in a yielding groove, and a corner screw rod is arranged at the top of the bottom turntable and is in threaded fit with the connecting turntable.
Description
Technical Field
The invention relates to the technical field of numerical control turntables, in particular to a numerical control turntable.
Background
Along with the vigorous development of machine tool manufacturing industry in China, the requirements of horizontal milling machines and horizontal machining centers are also increased, at present, the functions of the traditional numerical control machine tools are single, and meanwhile, a plurality of multi-head machine tools such as multi-head drilling machines and multi-head lathe machines can be used for carrying out multi-point machining on one machine tool in the market, so that the machining efficiency is improved, a plurality of machining procedures are usually needed when parts are machined according to the requirements of machining processes, and particularly when different surfaces of machined parts or special-shaped machining requirements exist, the machining cannot be finished on one machine tool, and then a plurality of drilling machines or even tens of drilling machines are needed to form a production line to finish the machining.
The numerical control turntable is used as an important machine tool accessory and is mainly applied to a machining center and a numerical control boring and milling machine. The application of the numerical control turntable provides a rotation coordinate for the machine tool, so that complex curved surfaces can be processed, and the processing range of the machine tool is enlarged. At present, a manufacturer adopts a multi-axis turntable to process parts, so that the manufacturing difficulty is greatly reduced, the processing requirement is met, but most of the manufacturing method is to realize free rotation of the turntable by directly fixing the turntable on an axis or fixing the turntable between the axis and the axis, besides, other rotation coordinates can be adopted, the method occupies larger space, is not friendly for the condition of the turntable with larger processing requirement on large parts, and the bearing is completely dependent on the axis load, has larger abrasion, is limited in bearing and the like.
Based on the above, the invention designs a numerical control turntable to solve the above problems.
Disclosure of Invention
The invention aims to provide a numerical control turntable to solve the problems that most of the prior art is provided with a turntable directly fixed on a shaft or the turntable is fixed between the shaft and the shaft, the occupied space is large, the turntable is not friendly for the condition that larger turntable is required for processing large parts, the bearing is completely dependent on the shaft load, the abrasion is large, the bearing is limited, and the like.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the numerical control rotary table comprises a bottom rotary table and a working rotary table, wherein the working rotary table is located above the bottom rotary table, an adjusting groove is formed in the bottom rotary table, a lifting lead screw is connected in the middle of the adjusting groove in a rotating mode, a transverse pull rod is matched with the lifting lead screw, the transverse pull rod is located in the adjusting groove, the two ends of the transverse pull rod are fixedly connected with a connecting rotary table, the outer side of the connecting rotary table is fixedly connected with a limiting column, two sides of the bottom rotary table are rotationally connected with limiting lead screws, one ends of the limiting lead screws penetrate through the limiting column to be in threaded fit with the limiting column, two sides of the working rotary table are rotationally connected with lifting rotary shafts, supporting rods are fixedly connected with ends of the lifting rotary shafts, one ends of the supporting rods are rotationally connected with the connecting rotary table, a yielding groove is formed in the bottom of the working rotary table, a corner lead screw is installed at the top of the bottom rotary table, and the corner lead screw penetrates through the matching block to be in threaded fit with the limiting block.
Preferably, the two sides of the bottom turntable are fixedly provided with limiting motors through side struts which are rotationally connected, and the output ends of the limiting motors are fixedly connected with limiting screw rods.
Preferably, the connection carousel lateral wall fixedly connected with boss, inject post fixed connection at the boss lateral wall, horizontal pull rod and bracing piece all rotate the center department of connecting the carousel.
Preferably, the abdication groove is a U-shaped groove, connecting arms are connected to two sides of the matching block, and the connecting arms are rotationally connected with the abdication groove.
Preferably, the bottom turntable is internally provided with a sinking groove which is U-shaped, a rear end limiting plate and a front end limiting block are connected in the sinking groove in a sliding manner, the rear end limiting plate and the front end limiting block are fixedly connected through a bottom connecting plate, the front end limiting block is positioned on two sides of the U-shaped sinking groove, the transverse pull rod is a bent rod with a U-shaped bent portion, and the U-shaped bent portion corresponds to the front end limiting block in position.
Preferably, a driving matching piece for driving the rear end limiting plate and the front end limiting block to rise after the working turntable rotates and stands is arranged in the bottom turntable.
Preferably, the driving matching piece comprises a contact switch fixedly arranged at the top of the bottom turntable and a linear push rod arranged at the bottom of the sinking groove, and the contact switch is electrically connected with the linear push rod and used for connecting the linear push rod when the matching block reaches the contact switch.
Preferably, the drive fitting piece comprises an execution transmission part and a butting part, the corner lead screw of the butting part comprises a front lead screw and a rear lead screw, square holes are formed in the middle of the front lead screw and the middle of the rear lead screw, connecting sliding ways penetrating through the square holes are further formed in two sides of the square holes of the rear lead screw, a butting square rod is connected in the square holes of the rear lead screw in a sliding mode, the rear end of the butting square rod is fixedly connected with a connecting sliding plate, the connecting sliding plate stretches out of the connecting sliding ways and is fixedly connected with an outer spiral ring, the butting square rod is located at the front end of the rear lead screw in the original state and is inserted into the front lead screw, a butting inner spiral cylinder is fixedly connected with the bottom turntable, and the outer spiral ring is located in the butting inner spiral cylinder and is in threaded fit with the butting inner spiral cylinder.
Preferably, the execution transmission part comprises an initial long gear fixedly connected to the outer end of the outer spiral ring and a transmission groove formed in the bottom rotary table, the transmission groove is L-shaped, a matched gear and a reversing bevel gear are rotationally connected to the vertical section of the transmission groove, the matched gear is positioned at the end part of the butt joint inner spiral tube, the matched gear and the reversing bevel gear are coaxially fixed, the initial long gear and the matched gear are in matched transmission, a vertical rod is further rotationally connected to the L-shaped transverse section of the transmission groove, a matched bevel gear outer wall is fixedly connected with a synchronous sprocket, the reversing bevel gear is meshed with the matched bevel gear, a lifting screw is rotationally connected to the L-shaped transverse section of the transmission groove, the upper end of the lifting screw penetrates through a rear end limiting plate to be in threaded fit with the rear end limiting plate, and the rear end sprocket is fixedly connected to the outer wall of the lifting screw, and the synchronous sprocket is in chain transmission with the rear end sprocket.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the workpiece is machined by arranging the part to be machined on the working turntable and rotating the working turntable; when the machining of the side face of a workpiece is needed, the limiting screw rod, the lifting screw rod and the corner screw rod are connected, the workbench is driven to vertically upwards lift by taking the middle part as the axis, and one side connected with the matching block deflects inwards, until the working turntable moves to a completely vertical and upright state, the working turntable can be stopped at any proper angle in the rotating and upright process, various machining requirements are met, meanwhile, the space required by the rotation and the upright of the working turntable is greatly reduced, the bottom turntable and the working turntable are stacked and arranged to meet a plurality of degrees of freedom, meanwhile, the occupied area is reduced, compared with the prior art, the method for fixedly connecting the working turntable on one shaft enables the working turntable to rotate and keep the working turntable to a required state through traction and stress in all aspects, the multipoint stress is uniform and reliable, the bearing performance is enhanced, and the machining of various requirements of the workpiece can be met.
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 a schematic diagram of a structure in a depression view of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the side view of the present invention;
FIG. 3 is a schematic view of the principle of the invention of the rotation and erection of the working turret;
FIG. 4 is a schematic view of a working turret in a normal side view in a rotated and raised state according to the present invention;
FIG. 5 is a schematic view of a front side view in half-section of the present invention;
FIG. 6 is an enlarged view of the portion A of FIG. 5 according to the present invention;
FIG. 7 is a schematic view of a semi-sectional side view angle structure of the present invention;
FIG. 8 is an enlarged view of the portion B of FIG. 7 according to the present invention;
FIG. 9 is an enlarged schematic view of the structure of the external spiral ring of the present invention;
FIG. 10 is a schematic top view of the bottom turret in a depression view of the present invention;
FIG. 11 is a schematic diagram showing a half-sectional structure of the present invention at the top angle adjusting groove.
In the drawings, the list of components represented by the various numbers is as follows:
1. a bottom turntable; 2. a working turntable; 3. an adjustment groove; 4. lifting a screw rod; 5. a transverse pull rod; 6. the connecting turntable; 7. defining a column; 8. limiting a lead screw; 9. lifting the rotating shaft; 10. a support rod; 11. a relief groove; 12. a mating block; 13. a corner lead screw; 14. limiting the motor; 15. a cam; 16. a connecting arm; 17. a sinking groove; 18. a rear end limiting plate; 19. a front end limiting block; 20. a bottom connecting plate; 21. a U-shaped bent portion; 22. a contact switch; 23. a front lead screw; 24. a rear screw; 25. square holes; 26. the connecting slide way; 27. butting square rods; 28. the connecting slide plate; 29. an external spiral ring; 30. butting an inner screw cylinder; 31. an initial long gear; 32. a transmission groove; 33. a mating gear; 34. reversing cone pulley; 35. a vertical rod; 36. matching with a cone pulley; 37. a synchronizing sprocket; 38. lifting screw rods; 39. a rear sprocket.
Description of the embodiments
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. 1-11, the present invention provides a technical solution:
the numerical control rotary table comprises a bottom rotary table 1 and a working rotary table 2, wherein the working rotary table 2 is located above the bottom rotary table 1, an adjusting groove 3 is formed in the bottom rotary table 1, a lifting lead screw 4 is connected in the middle of the adjusting groove 3 in a rotating mode, a transverse pull rod 5 is matched with the lifting lead screw 4, the transverse pull rod 5 is located in the adjusting groove 3, two ends of the transverse pull rod are fixedly connected with a connecting rotary table 6, limited columns 7 are fixedly connected to the outer sides of the connecting rotary table 6, limiting lead screws 8 are rotatably connected to two sides of the bottom rotary table 1, one ends of the limiting lead screws 8 penetrate through the limited columns 7 to be in threaded fit with the limiting columns, lifting rotary shafts 9 are rotatably connected to two sides of the working rotary table 2, supporting rods 10 are fixedly connected to ends of the lifting rotary shafts 9, one ends of the supporting rods 10 are rotatably connected with the connecting rotary table 6, a yielding groove 11 is formed in the bottom of the working rotary table 2, a corner lead screw 13 is rotatably connected to the top of the bottom rotary table 1, and the corner lead screw 13 penetrates through the matching block 12 to be in threaded fit with the same.
When the invention is used normally, as shown in the state of fig. 1, the workpiece is processed by mounting a part to be processed on the working turntable 2 and rotating the working turntable 2; when the side surface of a workpiece is required to be machined, the limiting screw rod 8, the lifting screw rod 4 and the corner screw rod 13 are connected, the lifting screw rod 4 is rotated to drive the transverse pull rod 5 to move towards the inside of the adjusting groove 3, so that the bottom of the supporting rod 10 is acted to enable the bottom of the supporting rod to walk inwards, the limiting screw rod 8 is rotated to drive the limiting column 7 to move towards the middle of the bottom turntable 1, one end of the limiting screw rod 8 is rotationally connected to the side wall of the bottom turntable 1, when the limiting column 7 is driven to move inwards, the limiting screw rod 8 is simultaneously pulled to act on the connecting turntable 6 to rotate, the supporting rod 10 is driven to rotate, the supporting rod 10 is rotated under the combined motion that the end part of the supporting rod 10 rotates inwards at one side, the working turntable 2 is lifted upwards under the double motion that the corner screw rod 13 drives the matching block 12 to move inwards, one side of the working turntable 2 is deflected, further, the working turntable 2 is lifted vertically upwards by taking the middle part as the axis and simultaneously one side connected with the matching block 12 deflects inwards until the working turntable 2 moves to a completely vertical and upright state, the movement process is shown in fig. 3, when the working turntable 2 moves to the middle part, the bottom turntable 1 is in a1 position and moves to a b movement state, the bottom turntable 1 is in a b1 position, the limiting screw rod 8 is in an upward inclined state in the final state, and particularly referring to fig. 4, since the limiting screw rod 8 does not rotate any more, the relative position and angle of the limiting screw rod 8 and the limiting column 7 cannot be changed, and further the connecting turntable 6 cannot rotate, the supporting rod 10 is in a stable vertical state and cannot tilt and deflect towards which side, meanwhile, since the relative position and angle of the matching block 12 at the bottom and the working turntable 2 are not changed any more, therefore, the working turntable 2 can be kept in a stable vertical state, the center of the working turntable 2 is not deviated from the bottom turntable 1, the working turntable 2 has the degree of freedom of rotating and standing, the working turntable 2 can be stopped at any proper angle in the rotating and standing process, various processing requirements are met, meanwhile, the space required by the rotating and standing of the working turntable 2 is greatly reduced, the occupied area is reduced while the bottom turntable 1 and the working turntable 2 are stacked to meet a plurality of degrees of freedom, compared with the prior art, the method for changing the working turntable 2 by fixedly connecting the working turntable 2 on one shaft enables the working turntable 2 to rotate and keep the required state through traction and stress in various aspects, the multi-point stress is uniform, and in normal use, the weight of a workpiece to be processed and the working turntable 2 is uniformly born by the bottom turntable 1, the condition of single stress of a rotating shaft cannot occur, the bearing performance is enhanced, and the working turntable is reliable.
After the working turntable 2 rotates to be in a vertical state, the working turntable 2 can be driven to rotate in the Y direction through the rotation of the bottom turntable 1, so that the processing of the side arc-shaped requirement of a workpiece can be met.
Wherein, the two sides of the bottom turntable 1 are fixedly provided with a limiting motor 14 through side struts which are rotationally connected, and the output end of the limiting motor 14 is fixedly connected with a limiting screw rod 8.
The limiting motor 14 drives the limiting screw rod 8 to rotate, so that the control is easy and the control is convenient.
Wherein, connect carousel 6 lateral wall fixedly connected with boss 15, inject post 7 fixed connection at boss 15 lateral wall, horizontal pull rod 5 and bracing piece 10 all rotate the center department of connecting carousel 6.
The cam 15 facilitates the mounting of the limiting post 7 at a distance from the coupling turntable 6, enabling the rotation angle of the support bar 10 to be limited.
Wherein, the abdication groove 11 is a U-shaped groove, the two sides of the matching block 12 are connected with the connecting arms 16, and the connecting arms 16 are rotationally connected with the abdication groove 11.
The corner lead screw 13 is located the groove 11 department of stepping down, and ordinary state corner lead screw 13 can hide in the groove 11 of stepping down, and when work revolving stage 2 rotated, the groove 11 of stepping down provided the space, avoids work revolving stage 2 rotation to receive the influence.
The bottom turntable 1 is internally provided with a sinking groove 17, the sinking groove 17 is U-shaped, a rear end limiting plate 18 and a front end limiting block 19 are slidably connected in the sinking groove 17, the rear end limiting plate 18 and the front end limiting block 19 are fixedly connected through a bottom connecting plate 20, the front end limiting block 19 is positioned on two sides of the U-shaped sinking groove 17, the transverse pull rod 5 is a bent rod with a U-shaped bent part 21, and the U-shaped bent part 21 corresponds to the front end limiting block 19 in position.
Referring to fig. 4, 10 and 11, in order to increase stability of the working turntable 2 after rotating to a vertical state, reduce traction stress of other structures, and improve rotation precision of the working turntable 2, after the working turntable 2 changes to a vertical state, the rear end limiting plate 18 and the front end limiting plate 19 can be lifted together to clamp the edge of the working turntable 2 in the middle, so that the working turntable 2 stably and firmly maintains the vertical state, vibration and the like are greatly reduced, and rotation precision is improved; when the working turntable 2 is in a vertical state, the transverse pull rod 5 is positioned at the center line of the bottom turntable 1, the U-shaped bent part 21 is just positioned at the front end limiting block 19, and the front end limiting block 19 can extend out of the U-shaped bent part 21, so that the transverse pull rod 5 can normally move, and the front end limiting block 19 can normally extend out and retract, so that objects are clamped and kept in a vertical state before and after the working turntable 2, the working turntable 2 cannot be kept in a vertical state due to electrical faults, and the working turntable 2 is safe and reliable.
Wherein, a driving matching piece for driving the rear end limiting plate 18 and the front end limiting block 19 to rise after the working turntable 2 rotates and stands is arranged in the bottom turntable 1.
Examples
Referring to fig. 6, the driving engagement member includes a contact switch 22 fixedly installed at the top of the bottom turntable 1 and a linear push rod installed at the bottom of the sink 17, and the contact switch 22 is electrically connected to the linear push rod for turning on the linear push rod when the engagement block 12 reaches the contact switch 22.
When the working turntable 2 rotates to be vertical, the matching block 12 just reaches the contact switch 22, and then the contact switch 22 is triggered to be connected with the linear electric push rod, the lifting screw 38 in the scheme is equivalent to the linear electric push rod, the rear end limiting plate 18 is automatically ejected upwards after the linear electric push rod is connected, and meanwhile, the front end limiting plate 19 is brought out together through the bottom connecting plate 20, so that the rear end limiting plate 18 and the front end limiting plate 19 are lifted together to act on two sides of the working turntable 2, the function of stably clamping the working turntable 2 is realized, and the mode is simple in structure, convenient to operate and control and easy to control.
Examples
Referring to fig. 5-9, the driving matching piece includes an execution transmission portion and a butting portion, the corner screw 13 of the butting portion includes a front screw 23 and a rear screw 24, square holes 25 are formed in the middle of the front screw 23 and the rear screw 24, connecting sliding ways 26 are formed on two sides of the square holes 25 of the rear screw 24, a butting square rod 27 is slidably connected in the square holes 25 of the rear screw 24, a connecting sliding plate 28 is fixedly connected to the rear end of the butting square rod 27, the connecting sliding plate 28 extends out of the connecting sliding way 26 and is fixedly connected with an outer spiral ring 29, the butting square rod 27 is located at the front end of the rear screw 24 in the original state and is inserted into the front screw 23, a butting inner spiral cylinder 30 is fixedly connected to the top of the bottom turntable 1, and the outer spiral ring 29 is located in the butting inner spiral cylinder 30 and is in threaded fit with the butting inner spiral cylinder.
In the initial state, the front end screw rod 23 is driven to rotate through the butt joint square rod 27 by the rotation of the rear end screw rod 24, so that the matching block 12 is driven to move backwards, in the process of moving backwards of the matching block 12, the butt joint square rod 27 is driven to rotate continuously due to the continuous rotation of the rear end screw rod 24, the outer spiral ring 29 is driven to rotate continuously in the fixed butt joint inner screw cylinder 30, so that the outer spiral ring 29 moves gradually backwards in the butt joint inner screw cylinder 30, the butt joint square rod 27 gradually withdraws from the front end screw rod 23 under the drive of the connecting sliding plate 28, at the moment, the butt joint square rod 27 slides backwards relative to the rear end screw rod 24 under the condition of synchronous rotation with the rear end screw rod 24, and only relative sliding does not occur due to relative rotation, so that when the matching block 12 moves to the working turntable 2 to be completely erected, the butt joint square rod 27 completely withdraws from the front end screw rod 23, the butt joint square rod 27 just withdraws when the matching block 12 arrives through the screw thread screwing direction and the screw pitch of the butt joint internal screw barrel 30, the butt joint square rod 27 moves more slowly when the screw pitch of the butt joint internal screw barrel 30 is smaller and the screw pitch is denser, when the butt joint square rod 27 withdraws from the front end screw rod 23, the rear end screw rod 24 can not drive the front end screw rod 23 to continue rotating, therefore, the matching block 12 can not move again, the rear end screw rod 24 continues rotating, the external spiral ring 29 is driven to continue moving away from the front end screw rod 23, the initial long gear 31 gradually extends out of the butt joint internal screw barrel 30, the rotation of the rear end screw rod 24 is transmitted from the initial long gear 31, the lifting screw rod 38 is driven to rotate through the actuating transmission part, the rear end limiting plate 18 can be driven to be ejected upwards, the full-automatic butt joint is realized, the upward ejection effect of the rear end limiting plate 18 can be realized when the matching block 12 reaches a proper position without an electric control system, the effect of upward ejection is more reliable, errors are unlikely to occur, and the method is accurate.
When the rear end screw rod 24 returns again, the lifting screw rod 38 is driven to rotate reversely by the rotation of the initial long gear 31 to retract the rear end limiting plate 18, and when the butt joint square rod 27 reaches and is inserted into the square hole 25 of the front end screw rod 23, the front end screw rod 23 is driven to rotate, so that the matching block 12 moves forwards to return to the original position; since the front screw 23 does not rotate after the butt square bar 27 is separated from the front screw 23, and the round trip is the same, the butt square bar 27 can normally return to the position of butt with the front screw 23 and smoothly enter the square hole 25.
Referring to fig. 5, the actuating transmission part includes an initial long gear 31 fixedly connected to the outer end of the outer spiral ring 29 and a transmission groove 32 formed in the bottom turntable 1, the transmission groove 32 is L-shaped, a mating gear 33 and a reversing cone 34 are rotatably connected to the vertical section of the transmission groove 32, the mating gear 33 is located at the end of the butt joint inner screw cylinder 30, the mating gear 33 and the reversing cone 34 are coaxially fixed, the initial long gear 31 and the mating gear 33 are in mating transmission, a vertical rod 35 is rotatably connected to the L-shaped transverse section of the transmission groove 32, a synchronous sprocket 37 is fixedly connected to the outer wall of the vertical rod 35, the reversing cone 34 is meshed with the mating cone 36, a lifting screw 38 is rotatably connected to the L-shaped transverse section of the transmission groove 32, the upper end of the lifting screw 38 passes through the rear end limiting plate 18 and is in threaded engagement with the lifting screw 38, a rear end sprocket 39 is fixedly connected to the outer wall of the lifting screw 38, and the synchronous sprocket 37 is in chain transmission with the rear end sprocket 39.
After the initial long gear 31 rotates to extend out of the butt joint inner screw cylinder 30, the initial long gear 31 drives the matched gear 33 to rotate, then drives the coaxial reversing bevel gear 34 to rotate, drives the synchronous sprocket 37 to rotate through meshing with the matched bevel gear 36, then drives the rear end sprocket 39 to rotate through chain transmission, then drives the lifting screw 38 to rotate, and ejects the rear end limiting plate 18 matched with the lifting screw 38 upwards, so that the front-rear clamping and fixing effects on the working turntable 2 are achieved, and refer to fig. 4, 10 and 11.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (9)
1. Numerical control revolving stage, its characterized in that: including bottom revolving stage (1) and work revolving stage (2), work revolving stage (2) are located in bottom revolving stage (1) top, adjustment tank (3) have been seted up to bottom revolving stage (1) inside, rotation is connected with lifting lead screw (4) in the middle of adjustment tank (3), lifting lead screw (4) outer fit has transverse pull rod (5), transverse pull rod (5) are located adjustment tank (3) and both ends fixedly connected with connection carousel (6), connection carousel (6) outside fixedly connected with prescribes a limit post (7), bottom revolving stage (1) both sides rotation is connected with restriction lead screw (8), restriction lead screw (8) one end is passed restriction post (7) and screw-thread fit therewith, work revolving stage (2) both sides rotation is connected with lifting pivot (9), lifting pivot (9) tip fixedly connected with bracing piece (10), the one end and the connection carousel (6) of bracing piece (10) rotate and connect, work revolving stage (2) bottom has been seted up and has been stepped down groove (11), it is connected with cooperation piece (12) to step down in rotation in groove (11), bottom revolving stage (1) both sides rotation is connected with restriction lead screw (12), screw (13) are passed through with screw (13).
2. The numerically controlled turntable as in claim 1, wherein: the two sides of the bottom turntable (1) are fixedly provided with limiting motors (14) through side struts which are connected in a rotating way, and the output ends of the limiting motors (14) are fixedly connected with limiting screw rods (8).
3. The numerically controlled turntable as in claim 1, wherein: the side wall of the connecting turntable (6) is fixedly connected with a convex disc (15), the limiting column (7) is fixedly connected with the side wall of the convex disc (15), and the transverse pull rod (5) and the supporting rod (10) are both rotationally connected to the center of the connecting turntable (6).
4. The numerically controlled turntable as in claim 1, wherein: the abdication groove (11) is a U-shaped groove, connecting arms (16) are connected to two sides of the matching block (12), and the connecting arms (16) are rotationally connected with the abdication groove (11).
5. The numerically controlled turntable as in claim 1, wherein: the novel rotary table is characterized in that a sinking groove (17) is further formed in the bottom rotary table (1), the sinking groove (17) is U-shaped, a rear end limiting plate (18) and a front end limiting block (19) are connected in the sinking groove (17) in a sliding mode, the rear end limiting plate (18) and the front end limiting block (19) are fixedly connected through a bottom connecting plate (20), the front end limiting block (19) is located on two sides of the U-shaped sinking groove (17), and the transverse pull rod (5) is a bent rod with a U-shaped bent portion (21), and the U-shaped bent portion (21) corresponds to the front end limiting block (19) in position.
6. The numerically controlled turntable as in claim 5, wherein: and a driving matching piece for driving the rear end limiting plate (18) and the front end limiting block (19) to rise after the working turntable (2) is rotated and erected is arranged in the bottom turntable (1).
7. The numerically controlled turntable as in claim 6, wherein: the driving matching piece comprises a contact switch (22) fixedly arranged at the top of the bottom rotary table (1) and a linear push rod arranged at the bottom of the sinking groove (17), and the contact switch (22) is electrically connected with the linear push rod and used for connecting the linear push rod when the matching block (12) reaches the contact switch (22).
8. The numerically controlled turntable as in claim 6, wherein: the driving matching piece comprises an execution transmission part and a butting part, the corner lead screw (13) of the butting part comprises a front lead screw (23) and a rear lead screw (24), square holes (25) are formed in the middle of the front lead screw (23) and the middle of the rear lead screw (24), connecting sliding ways (26) penetrating through the square holes (25) of the rear lead screw (24) are further formed in two sides of the square holes (25), a butting square rod (27) is connected in the square holes (25) of the rear lead screw (24) in a sliding mode, a connecting sliding plate (28) is fixedly connected to the rear end of the butting square rod (27), an outer spiral ring (29) is fixedly connected to the connecting sliding way (26) in a stretching mode, the butt square rod (27) is located at the front end of the rear lead screw (24) in the original state and is inserted into the front lead screw (23), a butting inner spiral cylinder (30) is fixedly connected to the top of the bottom rotary table (1), and the outer spiral ring (29) is located in the butting inner spiral cylinder (30) in a threaded mode.
9. The numerically controlled turntable as in claim 8, wherein: the execution transmission part comprises an initial long gear (31) fixedly connected to the outer end of the outer spiral ring (29) and a transmission groove (32) formed in the bottom rotary table (1), the transmission groove (32) is L-shaped, a matched gear (33) and a reversing bevel gear (34) are rotatably connected in the vertical section of the transmission groove, the matched gear (33) is positioned at the end part of the butt joint inner screw cylinder (30), the matched gear (33) and the reversing bevel gear (34) are coaxially fixed, the initial long gear (31) is in matched transmission with the matched gear (33), a vertical rod (35) is further rotatably connected in the L-shaped transverse section of the transmission groove (32), a synchronous sprocket (37) is fixedly connected to the top of the vertical rod (35), the matched bevel gear (36) is meshed with the outer wall of the vertical rod, a lifting screw (38) is rotatably connected in the L-shaped transverse section of the transmission groove (32), the upper end of the lifting screw (38) penetrates through a rear end limiting plate (18) to be in threaded connection with the rear end of the lifting screw (38), and the rear end of the lifting screw (39) is fixedly connected with the chain sprocket (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310571657.2A CN116922109A (en) | 2023-09-25 | 2023-09-25 | Numerical control rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310571657.2A CN116922109A (en) | 2023-09-25 | 2023-09-25 | Numerical control rotary table |
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| Publication Number | Publication Date |
|---|---|
| CN116922109A true CN116922109A (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310571657.2A Pending CN116922109A (en) | 2023-09-25 | 2023-09-25 | Numerical control rotary table |
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| Country | Link |
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| CN (1) | CN116922109A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117798690A (en) * | 2024-03-01 | 2024-04-02 | 浙江三铭精密机械有限公司 | Numerical control rotary table |
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2023
- 2023-09-25 CN CN202310571657.2A patent/CN116922109A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117798690A (en) * | 2024-03-01 | 2024-04-02 | 浙江三铭精密机械有限公司 | Numerical control rotary table |
| CN117798690B (en) * | 2024-03-01 | 2024-05-10 | 浙江三铭精密机械有限公司 | Numerical control rotary table |
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