CN210848358U - Multistage adjustable transmission device of computer lathe - Google Patents
Multistage adjustable transmission device of computer lathe Download PDFInfo
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- CN210848358U CN210848358U CN201921596208.9U CN201921596208U CN210848358U CN 210848358 U CN210848358 U CN 210848358U CN 201921596208 U CN201921596208 U CN 201921596208U CN 210848358 U CN210848358 U CN 210848358U
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Abstract
The utility model belongs to the field of lathe manufacturing, in particular to a multi-stage adjustable transmission device of a computer lathe, aiming at the problems that the prior pulse encoder is too simple to fix and is inconvenient to take down for maintenance and replacement, the proposal is provided that the multi-stage adjustable transmission device comprises a main shaft, a main shaft box and a pulse encoder, wherein a mounting cavity is arranged on the main shaft box, one side of the pulse encoder is symmetrically and fixedly connected with two fixed columns, one ends of the two fixed columns both penetrate one side of the main shaft box and extend into the mounting cavity, a rotating shaft is rotatably connected on the inner wall of the bottom of the mounting cavity, and the rotating shaft is symmetrically and drivingly connected with two rotating rods, the utility model has reasonable structure and simple operation, and can lead two clamping pins to move towards the direction which is far away from each other by rotating the rotating shaft, thereby facilitating the taking down of, convenient and fast, has stronger practicality.
Description
Technical Field
The utility model relates to a technical field is made to the lathe, especially relates to a multistage adjustable transmission of computer lathe.
Background
In recent years, numerical control machines are increasingly emphasized due to high machining precision, high productivity, high flexibility and high automation degree, and are suitable for medium and small-scale production, the 80 s are the years of the great development of the numerical control machines, and the numerical control machines and machining centers have become the development trend of the current machine tools.
The notice number is: CN206794779U discloses a multi-stage adjustable transmission device for a computer lathe, comprising a main shaft, a main shaft box and a speed change system, wherein the speed change system is arranged at the left end of the main shaft, the left end of the speed change system is provided with a rear seat nut ring, the speed change system comprises a synchronous pulley and a frequency converter assembly, the frequency converter assembly is connected with a pulse encoder, the synchronous pulley is connected with a synchronous belt through a gear, the synchronous belt is connected with a bottom pulley at the bottom of the main shaft through a gear, the right end of the synchronous belt is provided with a pulley, the side end of the pulley is connected with a front support seat, a transmission bearing is arranged in the front support seat, the right end of the front support seat is connected with a front seat nut ring, the bottom of the front seat nut ring is provided with a loosening stop screw, the outer ring wall of the front support seat is, the rear supporting seat is connected with a rear supporting nut ring, and the top and the bottom of the rear supporting nut ring are respectively provided with a longitudinal screw and a transverse screw.
The pulse encoder in the technical scheme is fixed on the spindle box through screws, the fixing mode is too simple, and the pulse encoder is inconvenient to take down for maintenance and replacement, so that a multistage adjustable transmission device of a computer lathe is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the existing pulse coder is too simple to fix and inconvenient to take down the pulse coder for maintenance and replacement in the prior art, and providing a multistage adjustable transmission device of a computer lathe.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multi-stage adjustable transmission device of a computer lathe comprises a main shaft, a main shaft box and a pulse encoder, wherein an installation cavity is arranged on the main shaft box, two fixed columns are symmetrically and fixedly connected to one side of the pulse encoder, one ends of the two fixed columns penetrate through one side of the main shaft box and extend into the installation cavity, a rotating shaft is rotatably connected to the inner wall of the bottom of the installation cavity, two rotating rods are symmetrically and rotatably connected to the rotating shaft, one ends of the two rotating rods are rotatably connected to the inner wall of one side of the installation cavity, gears are fixedly sleeved on the two rotating rods, two racks are symmetrically and slidably connected to the inner wall of one side of the installation cavity, the racks are meshed with the gears, clamping pins are fixedly connected to the sides, close to each other, of the two fixed columns are respectively provided with a clamping groove, one ends, far away from each other, of the two clamping pins extend, just can make two bayonet locks remove to the direction of keeping away from each other through rotating the pivot to the pulse coder is taken off to maintain or change conveniently, and convenient and fast has solved the not enough that exist among the prior art.
Preferably, the fixed cover of symmetry is equipped with first bevel gear in the pivot, and the other end of two bull sticks is all fixed the cover and is equipped with the second bevel gear, first bevel gear meshes with the second bevel gear mutually, sets up first bevel gear and second bevel gear, can provide power for the bull stick.
Preferably, the top of headstock sliding connection has the sliding plate, one side fixedly connected with gag lever post of sliding plate, the top of pivot runs through the top inner wall of installation cavity and extends to the top of headstock, a plurality of spacing holes have been seted up to the ring on the pivot, the one end of gag lever post runs through corresponding spacing downthehole and clamps with spacing hole, the top fixedly connected with fixed plate of headstock, one side fixedly connected with first spring of fixed plate, the one end of first spring and the opposite side fixed connection of sliding plate have set up the sliding plate, through removing the sliding plate, can make gag lever post and corresponding spacing hole clamp, can carry out spacingly to the pivot, make the pivot can not take place unexpected rotation to can make pulse coder more fixed on the headstock, can not take place to drop.
Preferably, four chutes are symmetrically formed in the inner wall of one side of the installation cavity, two sliding rods are symmetrically and fixedly connected to one side of each of the two racks, one ends of the four sliding rods respectively extend into the four chutes and are in sliding connection with the inner wall of one side of the four chutes, the chutes and the sliding rods are arranged, the racks can stably move, and position deviation cannot occur.
Preferably, the top and the bottom of slide bar are all fixedly connected with second spring, and the one end that two second springs kept away from each other respectively with the top inner wall and the bottom inner wall fixed connection of spout, set up the second spring, can provide reset power for the rack.
The utility model discloses in, a multistage adjustable transmission of computer lathe, owing to set up the pivot, can make first bevel gear drive second bevel gear rotate through rotating the pivot, the second bevel gear can make the bull stick rotate, the bull stick can make gear revolve, two gears can make two racks drive two bayonet locks and remove to the direction of keeping away from each other, make bayonet lock break away from clamping of draw-in groove, just so can take off pulse coder and maintain or change convenient and fast.
Due to the fact that the sliding plate is arranged, the limiting rods can be clamped with the corresponding limiting holes by moving the sliding plate, the rotating shaft can be limited, the rotating shaft cannot rotate accidentally, and therefore the pulse encoder can be fixed on the spindle box and cannot fall off.
The utility model discloses rational in infrastructure, easy operation just can make two bayonet locks remove to the direction of keeping away from each other through rotating the pivot to the convenience is taken off pulse coder and is maintained or change, and convenient and fast has stronger practicality.
Drawings
Fig. 1 is a schematic view of a multi-stage adjustable transmission device of a computer lathe according to the present invention;
fig. 2 is a schematic sectional view of a main spindle box of the multistage adjustable transmission device of the computer lathe according to the present invention;
fig. 3 is an enlarged schematic structural diagram of a part a of the multistage adjustable transmission device of the computer lathe according to the present invention.
In the figure: the device comprises a main shaft 1, a main shaft box 2, a pulse encoder 3, a fixed column 4, a mounting chamber 5, a rotating shaft 6, a rotating rod 7, a gear 8, a rack 9, a bayonet 10, a first bevel gear 11, a second bevel gear 12, a sliding plate 13, a limiting rod 14, a limiting hole 15, a fixing plate 16, a first spring 17, a sliding rod 18, a sliding chute 19 and a second spring 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-3, a multi-stage adjustable transmission device of a computer lathe comprises a main shaft 1, a main shaft box 2 and a pulse encoder 3, wherein an installation cavity 5 is arranged on the main shaft box 2, one side of the pulse encoder 3 is symmetrically and fixedly connected with two fixed columns 4, one ends of the two fixed columns 4 penetrate through one side of the main shaft box 2 and extend into the installation cavity 5, a rotating shaft 6 is rotatably connected on the inner wall of the bottom of the installation cavity 5, two rotating rods 7 are symmetrically and rotatably connected on the rotating shaft 6, one ends of the two rotating rods 7 are rotatably connected with the inner wall of one side of the installation cavity 5, gears 8 are fixedly sleeved on the two rotating rods 7, two racks 9 are symmetrically and slidably connected on the inner wall of one side of the installation cavity 5, the racks 9 are meshed with the gears 8, one sides, close to each other, of the two racks 9 are fixedly connected, one ends of the two clamping pins 10, which are far away from each other, extend into the two grooves respectively and are clamped with the two clamping grooves.
The utility model discloses in, the fixed cover of symmetry is equipped with first bevel gear 11 in the pivot 6, and the other end of two bull sticks 7 is all fixed the cover and is equipped with second bevel gear 12, and first bevel gear 11 meshes with second bevel gear 12 mutually.
The utility model discloses in, headstock 2's top sliding connection has sliding plate 13, one side fixedly connected with gag lever post 14 of sliding plate 13, the top of pivot 6 is run through the top inner wall of installation cavity 5 and is extended to headstock 2's top, a plurality of spacing holes 15 have been seted up to the ring shape in the pivot 6, the one end of gag lever post 14 runs through in corresponding spacing hole 15 and clamps mutually with spacing hole 15, headstock 2's top fixedly connected with fixed plate 16, the first spring 17 of one side fixedly connected with of fixed plate 16, the one end of first spring 17 and sliding plate 13's opposite side fixed connection.
The utility model discloses in, four spout 19 have been seted up to the symmetry on one side inner wall of installation cavity 5, two slide bars 18 of the equal symmetrical fixedly connected with in one side of two racks 9, four slide bar 18's one end extend respectively to four spout 19 in and with one side inner wall sliding connection of four spout 19.
The utility model discloses in, the equal fixedly connected with second spring 20 in top and the bottom of slide bar 18, the one end that two second springs 20 kept away from each other respectively with spout 19's top inner wall and bottom inner wall fixed connection.
Example two
Referring to fig. 1-3, a multi-stage adjustable transmission device of a computer lathe comprises a main shaft 1, a main shaft box 2 and a pulse encoder 3, wherein an installation cavity 5 is arranged on the main shaft box 2, two fixed columns 4 are symmetrically welded on one side of the pulse encoder 3, one ends of the two fixed columns 4 penetrate through one side of the main shaft box 2 and extend into the installation cavity 5, a rotating shaft 6 is rotatably connected on the inner wall of the bottom of the installation cavity 5, two rotating rods 7 are symmetrically and rotatably connected on the rotating shaft 6, one ends of the two rotating rods 7 are rotatably connected with the inner wall of one side of the installation cavity 5, gears 8 are fixedly sleeved on the two rotating rods 7, two racks 9 are symmetrically and slidably connected on the inner wall of one side of the installation cavity 5, the racks 9 are meshed with the gears 8, clamping pins 10 are welded on the side, which the two racks 9 are close to, one end of each bayonet lock 10 far away from each other extends into the two open grooves and is clamped with the two bayonet grooves, the two bayonet locks 10 can be moved towards the direction far away from each other by rotating the rotating shaft 6, so that the pulse encoder 3 can be conveniently taken down for maintenance or replacement, the operation is convenient and rapid, the defects in the prior art are overcome, because the rotating shaft 6 is arranged, the first bevel gear 11 can drive the second bevel gear 12 to rotate by rotating the rotating shaft 6, the rotating rod 7 can rotate by the second bevel gear 12, the gear 8 can rotate by the rotating rod 7, the two gear 8 can drive the two bayonet locks 10 to move towards the direction far away from each other by the two racks 9, the bayonet lock 1 is separated from the bayonet grooves, so that the pulse encoder 3 can be taken down for maintenance or replacement, the operation is convenient and rapid, because the sliding plate 13 is arranged, the limiting rod 14 can be clamped with the corresponding limiting hole 15 by moving the sliding plate 13, can carry on spacingly to pivot 6, make pivot 6 can not the accident rotate to can make pulse coder 3 more fixed on headstock 2, can not take place to drop, the utility model discloses rational in infrastructure, easy operation just can make two bayonet locks 10 remove to the direction of keeping away from each other through rotating pivot 6, thereby conveniently takes off pulse coder 3 and maintains or change, convenient and fast has stronger practicality.
The utility model discloses in, the fixed cover of symmetry is equipped with first bevel gear 11 in the pivot 6, and the other end of two bull sticks 7 is all fixed the cover and is equipped with second bevel gear 12, and first bevel gear 11 meshes with second bevel gear 12 mutually, sets up first bevel gear 11 and second bevel gear 12, can provide power for bull stick 7.
In the utility model, a sliding plate 13 is connected with the top of a spindle box 2 in a sliding way, a limit rod 14 is welded on one side of the sliding plate 13, the top end of a rotating shaft 6 penetrates through the inner wall of the top of an installation cavity 5 and extends to the top of the spindle box 2, a plurality of limit holes 15 are annularly arranged on the rotating shaft 6, one end of the limit rod 14 penetrates through the corresponding limit holes 15 and is clamped with the limit holes 15, a fixed plate 16 is welded on the top of the spindle box 2, a first spring 17 is welded on one side of the fixed plate 16, one end of the first spring 17 is welded with the other side of the sliding plate 13, the sliding plate 13 is arranged, by moving the sliding, the limiting rod 14 and the corresponding limiting hole 15 can be clamped, the rotating shaft 6 can be limited, the rotating shaft 6 cannot rotate accidentally, and therefore the pulse encoder 3 can be fixed on the spindle box 2 and cannot fall off.
The utility model discloses in, four spout 19 have been seted up to the symmetry on one side inner wall of installation cavity 5, and the equal symmetrical welding in one side of two racks 9 has two slide bars 18, and four slide bars 18's one end extend respectively to four spout 19 in and with one side inner wall sliding connection of four spout 19, set up spout 19 and slide bar 18, can make rack 9 steady movement, can not take place the skew.
The utility model discloses in, second spring 20 has all been welded to the top of slide bar 18 and bottom, and the one end that two second springs 20 kept away from each other welds with the top inner wall and the bottom inner wall of spout 19 respectively mutually, sets up second spring 20, can provide reset power for rack 9.
In the utility model, when the pulse encoder 3 needs to be taken down for maintenance or replacement, the sliding plate 13 is pulled first, the sliding plate 13 drives the limiting rod 14 to move, and then the limiting rod 14 can be moved out of the limiting hole 15, at the moment, the first spring 17 is compressed, thus the limitation on the rotating shaft 6 can be removed, then the rotating shaft 6 is rotated, the rotating shaft 6 is rotated to rotate the two first bevel gears 11, because the first bevel gears 11 are meshed with the second bevel gears 12, the first bevel gears 11 can rotate the second bevel gears 12, the two second bevel gears 12 can rotate the two rotating rods 7, the two rotating rods 7 can drive the two gears 8 to rotate, the two gears 8 can move the two racks 9 in the direction away from each other, the two racks 9 can move the two clamping pins 10 in the direction away from each other, and then the clamping grooves can be separated, thus the pulse encoder 3 can be taken down for maintenance or replacement, if need install pulse coder 3 on headstock 2, only need reverse pivot 6, make two bayonet locks 10 and draw-in groove looks bayonet lock dress, then under the effect of first spring 17, make gag lever post 14 reinsert in corresponding spacing hole 15, fix current position, make pulse coder 3 fixed more firmly.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A multistage adjustable transmission device of a computer lathe comprises a main shaft (1), a main shaft box (2) and a pulse encoder (3), and is characterized in that an installation cavity (5) is arranged on the main shaft box (2), two fixing columns (4) are symmetrically and fixedly connected to one side of the pulse encoder (3), one ends of the two fixing columns (4) penetrate through one side of the main shaft box (2) and extend into the installation cavity (5), a rotating shaft (6) is rotatably connected to the inner wall of the bottom of the installation cavity (5), two rotating rods (7) are symmetrically and drivingly connected to the rotating shaft (6), one ends of the two rotating rods (7) are rotatably connected with the inner wall of one side of the installation cavity (5), gears (8) are fixedly sleeved on the two rotating rods (7), and two racks (9) are symmetrically and slidably connected to the inner wall of one side of the installation cavity (5), rack (9) and gear (8) mesh mutually, and two equal fixedly connected with bayonet lock (10) in one side that rack (9) are close to each other have all seted up the draw-in groove in one side that two fixed columns (4) kept away from each other, and the one end that two bayonet lock (10) kept away from each other extends to respectively in two flutings and clamps mutually with two draw-in grooves.
2. The multistage adjustable transmission device of the computer lathe as claimed in claim 1, wherein first bevel gears (11) are symmetrically and fixedly sleeved on the rotating shaft (6), second bevel gears (12) are fixedly sleeved on the other ends of the two rotating rods (7), and the first bevel gears (11) are meshed with the second bevel gears (12).
3. The multistage adjustable transmission device of the computer lathe according to claim 1, wherein a sliding plate (13) is slidably connected to the top of the spindle box (2), a limiting rod (14) is fixedly connected to one side of the sliding plate (13), the top end of the rotating shaft (6) penetrates through the inner wall of the top of the mounting chamber (5) and extends above the top of the spindle box (2), a plurality of limiting holes (15) are annularly formed in the rotating shaft (6), one end of the limiting rod (14) penetrates through the corresponding limiting holes (15) and is clamped with the limiting holes (15), a fixed plate (16) is fixedly connected to the top of the spindle box (2), a first spring (17) is fixedly connected to one side of the fixed plate (16), and one end of the first spring (17) is fixedly connected to the other side of the sliding plate (13).
4. The multistage adjustable transmission device of the computer lathe as claimed in claim 1, wherein four sliding grooves (19) are symmetrically formed in an inner wall of one side of the mounting chamber (5), two sliding rods (18) are symmetrically and fixedly connected to one sides of the two racks (9), and one ends of the four sliding rods (18) extend into the four sliding grooves (19) respectively and are connected with the inner wall of one side of the four sliding grooves (19) in a sliding manner.
5. The multistage adjustable transmission device of the computer lathe as claimed in claim 4, wherein the top and the bottom of the sliding rod (18) are fixedly connected with second springs (20), and the ends, far away from each other, of the two second springs (20) are fixedly connected with the top inner wall and the bottom inner wall of the sliding groove (19) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921596208.9U CN210848358U (en) | 2019-09-24 | 2019-09-24 | Multistage adjustable transmission device of computer lathe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921596208.9U CN210848358U (en) | 2019-09-24 | 2019-09-24 | Multistage adjustable transmission device of computer lathe |
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| CN210848358U true CN210848358U (en) | 2020-06-26 |
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| CN201921596208.9U Active CN210848358U (en) | 2019-09-24 | 2019-09-24 | Multistage adjustable transmission device of computer lathe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240440A (en) * | 2020-10-15 | 2021-01-19 | 温州融宸科技有限公司 | Support beam supporting device of municipal shield tunnel |
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2019
- 2019-09-24 CN CN201921596208.9U patent/CN210848358U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240440A (en) * | 2020-10-15 | 2021-01-19 | 温州融宸科技有限公司 | Support beam supporting device of municipal shield tunnel |
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