CN113751732A - Rotating guide sleeve of walking machine with chuck capable of automatically clamping - Google Patents
Rotating guide sleeve of walking machine with chuck capable of automatically clamping Download PDFInfo
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- CN113751732A CN113751732A CN202111025204.7A CN202111025204A CN113751732A CN 113751732 A CN113751732 A CN 113751732A CN 202111025204 A CN202111025204 A CN 202111025204A CN 113751732 A CN113751732 A CN 113751732A
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- guide sleeve
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- 230000001360 synchronised effect Effects 0.000 claims description 42
- 210000004907 gland Anatomy 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 239000002994 raw material Substances 0.000 abstract description 36
- 239000000463 material Substances 0.000 abstract description 10
- 238000003801 milling Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000033001 locomotion Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B25/00—Accessories or auxiliary equipment for turning-machines
- B23B25/06—Measuring, gauging, or adjusting equipment on turning-machines for setting-on, feeding, controlling, or monitoring the cutting tools or work
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
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- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention provides a rotating guide sleeve of a centering machine, which can automatically clamp a chuck, and belongs to the technical field of machine tools. The oil cylinder of the invention pulls the chuck to move in a hollow inner telescopic way of the rotating shaft on the sleeve seat by rotating the pull rod, the size of the clamping opening of the clamping head is adjusted by matching the horn-shaped opening of the rotating shaft and the horn-shaped bulge of the clamping head, the telescopic moving requirement of raw materials can be met, the raw materials can be clamped when the raw materials do not need to be telescopically moved, the heavy turning and milling processing requirements are met, the stability of the product during processing is ensured, the problems of cutter vibration and the like are prevented, the service life of the cutter is prolonged, the processing beat is shortened, and the processing of the great raw and other materials of diameter has been adapted to, and adaptability is better, in addition, can also satisfy the raw and other materials because of the secondary clamping demand when the external diameter is poor appears in the processing, guarantees that the chuck can act on raw and other materials all the time, has shortened the arrangement time of earlier stage technology, has alleviateed operator's work burden, and the use restriction is littleer, does benefit to the use and the popularization of walking the heart machine.
Description
Technical Field
The invention relates to the technical field of machine tools, in particular to a rotating guide sleeve of a centering machine, wherein a chuck can be automatically clamped.
Background
The spindle machine is used as one of machine tools, the spindle moves, the cutter is relatively fixed, machining such as turning and milling of the slender shaft can be achieved, the application range is wide, and the demand is large. And, when processing slender axles, in order to guarantee that slender axles add stability man-hour, need just be located the position that is close to the cutter between chuck and cutter and set up the guide pin bushing, the slender axles that wait to process pass from the guide pin bushing, carry out the auxiliary stay to slender axles through the guide pin bushing to make the cutter when processing slender axles, the cutter can be close to the guide pin bushing position of slender axles all the time and process, thereby improves the machining precision, guarantees the processing quality.
However, in the actual processing process, the chuck clamped by the guide sleeve installed on the walking machine is manually adjusted according to the size of the raw material to be processed, and the raw material to be processed can be moved telescopically in the chuck in the guide sleeve, a small gap can be reserved between the chuck and the raw material, although the arrangement mode can meet the telescopic movement requirement of the raw material, in some processing occasions where the raw material does not need to be moved telescopically, the gap is reserved between the raw material and the chuck, the clamping rigidity and precision can be influenced, and the cutter is caused to have an obvious cutter shaking problem, and the problem can be continuously amplified along with the increase of the milling allowance, so that the maximum processing outer diameter of the existing walking machine is limited within 32, and the non-ferrous metal is taken as a main part. In addition, when a long and thin and complex product needs to be processed in a segmented manner, one end of the product needs to be processed firstly, and then the other end of the product needs to be processed after reverse clamping, at the moment, when one end of the processed raw material is reversely clamped, the chuck cannot act on the raw material due to the fact that the outer diameter of the processed raw material is turned, namely the chuck in the guide sleeve loses the supporting function, inconvenience is caused to the process arrangement in the early stage, the workload of an operator is increased, and the use and popularization of the walking machine are limited.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a rotating guide sleeve of a walking machine, wherein a chuck can be automatically clamped by the chuck, the chuck is arranged in a rotating shaft, meanwhile, an oil cylinder with a rotating pull rod is arranged in a matching way, one end of the rotating pull rod extends into the rotating shaft and is connected with the chuck, so that the pull rod can drive the chuck to move in the rotating shaft, the size of a clamping opening of the chuck can be adjusted, the telescopic moving requirement of raw materials can be met, the raw materials can be clamped under the condition that the raw materials do not need to be telescopically moved, the heavy turning and milling processing requirements can be met, the stability of a product during processing can be ensured, the problems of cutter vibration and the like can be prevented, the service life of a cutter can be prolonged, the processing beat can be shortened, and the size of the clamping opening of the chuck can be adjusted, so that the rotating guide sleeve can adapt to the processing of the raw materials with larger diameter, the adaptability to the materials is better, in addition, when a product needing sectional machining is machined, the clamping requirement of the turned raw material can be met through adjusting the size of the clamping opening of the clamping head, the requirement of secondary clamping after the outer diameter of the raw material is changed is met, and the continuous clamping state of the clamping head is maintained, so that the arrangement time of the previous process is shortened, the workload of an operator is reduced, the use limiting condition is reduced, and the use and popularization of the walking machine are facilitated.
The specific technical scheme is as follows:
the utility model provides a chuck can self-holding walk rotatory guide pin bushing of heart machine, includes the guide pin bushing support frame and installs the guide pin bushing on the guide pin bushing support frame, has such characteristic, and the guide pin bushing still includes:
the sleeve seat is arranged in a cylindrical shape and is arranged on the guide sleeve support frame;
the rotating shaft is rotatably arranged in the sleeve seat and is a hollow shaft, an opening at one hollow end of the rotating shaft is a horn-shaped opening with the large end facing outwards, and the other end of the rotating shaft extends out of the sleeve seat;
the synchronous belt wheel is fixedly arranged at one end of the rotating shaft extending out of the sleeve seat;
the oil cylinder is arranged on the guide sleeve support frame and is positioned on one side, close to the rotating shaft, of the sleeve seat, where the synchronous belt pulley is arranged, a piston of the oil cylinder is hollow, and the moving direction of the piston is the axial direction of the rotating shaft;
the chuck is arranged in the hollow of the rotating shaft and is positioned at one end of the horn-shaped opening, the chuck is of a hollow structure, the outer wall of one end of the chuck is provided with a horn-shaped bulge matched with the horn-shaped opening, and the outer wall of one end of the chuck, which is provided with the horn-shaped bulge, is provided with a plurality of deformation grooves along the axial direction;
one end of the rotary pull rod is rotatably arranged in the hollow cavity of the piston, the other end of the rotary pull rod extends into the hollow cavity of the rotating shaft and is connected with the chuck, and the rotary pull rod is of a hollow structure.
The rotating guide sleeve of the walking machine with the chuck capable of automatically clamping is characterized in that a synchronous belt is arranged on a synchronous belt wheel, and the other end of the synchronous belt is connected with a main shaft of the walking machine.
The chuck can automatically clamp the rotating guide sleeve of the walking machine, wherein the deformation grooves are distributed on the chuck in an annular array mode, each deformation groove extends from the end face of the chuck along the axial direction of the chuck, and one end, located at the end face of the chuck, of each deformation groove is communicated with the outside.
The rotating guide sleeve of the walking machine with the chuck capable of automatically clamping is characterized in that one end, deviating from the end face of the chuck, of each deformation groove is provided with a widening groove, the width of each widening groove is larger than that of each deformation groove, and each widening groove is communicated with each deformation groove.
The chuck can automatic clamping walk quick-witted rotatory guide pin bushing of heart, wherein, still includes the labyrinth gland, and the labyrinth gland sets up on the cover barrel holder and is located the pivot and is provided with loudspeaker form open-ended one side, and outside the pivot was located to the labyrinth gland cover, and seted up a plurality of first seal grooves on the outer wall of pivot, set up a plurality of second seal grooves that correspond with first seal groove on the labyrinth gland to first seal groove and second seal groove stagger each other and inlay and establish.
The walking machine rotating guide sleeve with the chuck capable of automatically clamping also comprises a locking nut, wherein a locking external thread is arranged on the outer wall of the end part of one end of the rotating shaft extending out of the sleeve seat, the locking nut is in threaded connection with one end of the rotating shaft provided with the locking external thread, and one side of the locking nut is abutted against the synchronous belt pulley.
The rotating guide sleeve of the walking machine with the chuck capable of automatically clamping comprises a plurality of bearings, and the bearings are arranged between the rotating shaft and the sleeve seat and between the rotating pull rod and the piston.
Foretell chuck can self-holding walk heart machine rotation guide pin bushing, wherein, be provided with outstanding spacing step on the outer wall of horn shape open-ended one end of pivot, the bearing that sets up between pivot and cover cylinder seat supports and leans on spacing step.
The walking machine rotating guide sleeve with the chuck capable of automatically clamping comprises a support sleeve, wherein the support sleeve is arranged on a rotating shaft and located at one end, provided with a synchronous belt pulley, of the rotating shaft, one side of the support sleeve is abutted against one side, deviating from a limiting step, of a bearing, and the other side of the support sleeve is abutted against the synchronous belt pulley.
Foretell rotatory guide pin bushing of heart machine of walking that chuck can self-holding, wherein, the one end that the pivot deviates from installation synchronous pulley stretches out outside the sleeve seat equally, and first seal groove all is located outside the sleeve seat to, one side of labyrinth gland is provided with location portion, and location portion embedding sleeve seat.
The positive effects of the technical scheme are as follows:
the chuck can automatically clamp the rotating guide sleeve of the walking machine, a hollow rotating shaft which can rotate and is provided with a horn-shaped opening is arranged in the sleeve seat, meanwhile, a clamping head with a horn-shaped bulge and a variable groove is arranged in the hollow of the rotating shaft, in addition, an oil cylinder with a rotary pull rod is arranged outside the sleeve seat, the telescopic direction of the oil cylinder is the axial direction of the rotating shaft and is connected with the chuck through the rotary pull rod, therefore, when the size of the clamping opening of the clamping head needs to be adjusted, the clamping head can be driven by the rotary pull rod to move in the rotating shaft, the requirement of telescopic movement of raw materials can be met, the raw materials can be clamped under the condition that the raw materials do not need telescopic movement, the requirement of heavy-turning and milling processing can be met, therefore, the stability of the product during processing is ensured, the problems of cutter vibration and the like are prevented, the service life of the cutter is effectively prolonged, and the processing beat is shortened; in addition, the clamping requirement of the raw material after turning can be met by adjusting the size of the clamping head clamping opening when a product needing sectional processing is processed, the raw material after the outer diameter is changed can be clamped for the second time, the continuous clamping state of the clamping head is maintained, and the clamping head can be always ensured to act on the raw material, so that the arrangement time of the previous process is shortened, the workload of an operator is reduced, the use limitation condition is reduced, and the use and popularization of the walking machine are facilitated.
Drawings
FIG. 1 is a structural diagram of an embodiment of a rotating guide sleeve of a centering machine with a chuck capable of automatically clamping according to the invention;
FIG. 2 is a cross-sectional view of an embodiment of a rotating guide sleeve of a centering machine with a chuck capable of automatically clamping according to the present invention;
FIG. 3 is a structural diagram of a rotating shaft of a rotating guide sleeve of the centering machine with a chuck capable of automatically clamping;
fig. 4 is a structural diagram of a chuck of a rotating guide sleeve of a centering machine, which can automatically clamp the chuck, according to the invention.
In the drawings: 1. a sleeve seat; 2. a rotating shaft; 21. a horn-shaped opening; 22. a first seal groove; 23. locking the external thread; 24. a limiting step; 3. a synchronous pulley; 4. an oil cylinder; 41. a piston; 5. a chuck; 51. a horn-shaped protrusion; 52. a deformation groove; 53. widening the groove; 6. rotating the pull rod; 7. a labyrinth gland; 71. a second seal groove; 72. a positioning part; 8. locking the nut; 9. a bearing; 91. and a support sleeve.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the present invention easy to understand, the following embodiments specifically describe the technical solutions provided by the present invention with reference to fig. 1 to 4, but the following contents are not to be taken as limitations of the present invention.
FIG. 1 is a structural diagram of an embodiment of a rotating guide sleeve of a centering machine with a chuck capable of automatically clamping according to the invention; fig. 2 is a cross-sectional view of an embodiment of a rotating guide sleeve of a centering machine with a chuck capable of automatically clamping according to the present invention. As shown in fig. 1 and fig. 2, the rotating guide sleeve of the center-walking machine, which can automatically clamp the chuck provided by this embodiment, includes a guide sleeve support frame and a guide sleeve installed on the guide sleeve support frame, the guide sleeve support frame is installed on the working table of the center-walking machine and located between the chuck of the spindle and the cutter, and the guide sleeve further includes: the device comprises a sleeve seat 1, a rotating shaft 2, a synchronous belt wheel 3, an oil cylinder 4, a chuck 5 and a rotary pull rod 6.
Specifically, sleeve seat 1 is the tube-shape setting, and sleeve seat 1 has the cavity that runs through its both ends, provides installation and motion space for the installation of follow-up pivot 2 isotructures to, sleeve seat 1 installs on the guide pin bushing support frame, has realized sleeve seat 1 installation on the table surface of walking the heart machine promptly.
Fig. 3 is a structural diagram of a rotating shaft of a rotating guide sleeve of a centering machine with a chuck capable of automatically clamping. As shown in fig. 1, 2 and 3, the rotating shaft 2 is rotatably mounted in the sleeve seat 1, which provides a condition for reducing abrasion to raw materials due to synchronous rotation of the rotating shaft 2 and the main shaft. The spindle 2 is now a hollow shaft, which provides a structural basis for the subsequent passage of the collet 5 and the starting material. Moreover, the opening at the hollow end of the rotating shaft 2 is a horn-shaped opening 21 with the large end facing outwards, variable cross-section arrangement of the size of the opening at the hollow end of the rotating shaft 2 is realized through the horn-shaped opening 21, and a matching basis is provided for changing the size of a clamping opening after the follow-up chuck 5 moves. In addition, the other end of the rotating shaft 2 extends out of the sleeve seat 1, and the end extending out of the sleeve seat 1 through the rotating shaft 2 provides conditions for the installation of the subsequent synchronous belt pulley 3, so that the conditions are provided for ensuring the synchronous rotation of the rotating shaft 2 and the main shaft, and the structural design is more reasonable.
Specifically, synchronous pulley 3 fixed mounting is on the one end that pivot 2 stretches out outside the sleeve seat 1, and synchronous pulley 3 can drive pivot 2 in sleeve seat 1 internal rotation promptly, provides the power transmission structure for realizing the synchronous rotation of pivot 2 and main shaft.
Specifically, hydro-cylinder 4 sets up on the guide pin bushing support frame and is located one side that sleeve seat 1 is close to pivot 2 and is provided with synchronous pulley 3, and hydro-cylinder 4 sets up in the one side that pivot 2 deviates from setting up loudspeaker form opening 21 promptly, avoids influencing the feed of cutter in the course of working, simultaneously, also can regard as the bearing structure at synchronous pulley 3 both ends jointly with sleeve seat 1, improves synchronous pulley 3's structural stability. In addition, the piston 41 of the oil cylinder 4 is hollow, so that an installation space is provided for installation of the subsequent rotating pull rod 6, the moving direction of the piston 41 is the axial direction of the rotating shaft 2, and a condition is provided for the subsequent piston 41 to drive the inner clamp 5 of the rotating shaft 2 to move along the axial direction of the rotating shaft 2 through the rotating pull rod 6.
Fig. 4 is a structural diagram of a chuck of a rotating guide sleeve of a centering machine, which can automatically clamp the chuck, according to the invention. As shown in fig. 1, 2 and 4, the chuck 5 is disposed in the hollow of the spindle 2, and the chuck 5 can move telescopically along the axial direction of the spindle 2, and meanwhile, the chuck 5 is located at one end of the hollow flared opening 21 of the spindle 2, which provides a condition for the subsequent matching of the chuck 5 and the flared opening 21 of the spindle 2. And, the chuck 5 is a hollow structure, so that the raw material to be processed subsequently clamped on the chuck of the spindle can pass through the chuck 5, and the raw material is supported by the chuck 5, thereby ensuring the processing stability. Furthermore, the outer wall of one end of the chuck 5 is provided with a trumpet-shaped protrusion 51 which is matched with the trumpet-shaped opening 21, so that one end of the chuck 5 is also of a variable cross-section structure corresponding to the trumpet-shaped opening 21 of the rotating shaft 2, when the chuck 5 moves in the hollow of the rotating shaft 2, the trumpet-shaped protrusion 51 on the chuck 5 is contacted with the trumpet-shaped opening 21 of the rotating shaft 2, the trumpet-shaped protrusion 51 of the chuck 5 is abutted through the trumpet-shaped opening 21 of the rotating shaft 2, and the abutting force changes along with the movement of the chuck 5, namely, the abutting force is larger as the chuck 5 moves towards the small end side of the trumpet-shaped opening 21, so that the chuck 5 is gradually compressed, in addition, the outer wall of one end of the chuck 5 provided with the trumpet-shaped protrusion 51 is provided with a plurality of deformation grooves 52 along the axial direction, so that when the abutting force is applied to one end of the chuck 5 provided with the trumpet-shaped protrusion 51, the groove width of the deformation grooves 52 is gradually reduced, thereby make the hollow of chuck 5 this end can dwindle gradually, make the mouth that presss from both sides of chuck 5 reduce to press from both sides the raw materials spare of treating processing, realize pressing from both sides tight raw and other materials and can the secondary clamp tightly when raw and other materials lead to it to appear the external diameter difference because of processing under the circumstances that raw and other materials need not telescopic movement, otherwise, the mouth that presss from both sides of chuck 5 increases, can be better satisfy the processing demand of the great raw and other materials of diameter and adapt to the telescopic movement demand of raw and other materials.
Specifically, one end of the rotating pull rod 6 is rotatably installed in the hollow cavity of the piston 41, that is, the rotating pull rod 6 can rotate in the hollow cavity of the piston 41 to adapt to the subsequent rotating motion of the rotating shaft 2, and can also move in a telescopic manner along the axial direction of the rotating shaft 2 along with the piston 41, thereby providing conditions for the subsequent movement of the chuck 5. And the other end of the rotary pull rod 6 extends into the hollow of the rotating shaft 2 and is connected with the chuck 5, namely, the piston 41 of the oil cylinder 4 is connected with the chuck 5 through the rotary pull rod 6, so that the chuck 5 is controlled to do telescopic movement in the rotating shaft 2 along the axial direction of the rotating shaft 2, and the size of a clamping opening of the chuck 5 is adjusted. In addition, the rotary pull rod 6 is of a hollow structure, so that raw materials clamped on a chuck of the spindle can conveniently pass through the hollow part of the rotary pull rod 6 and enter the chuck 5, and the structural design is more reasonable.
More specifically, be provided with the hold-in range on the synchronous pulley 3 to, the other end of hold-in range is connected with the main shaft of walking the heart machine, and at this moment, walk and install the driving pulley that the cooperation was used on the main shaft of heart machine, and the hold-in range is around locating synchronous pulley 3 and the epaxial driving pulley of main, thereby makes pivot 2 and main shaft synchronous rotation, for the raw and other materials of avoiding the (holding) chuck of main shaft to go up the clamping lead to the problem of wearing and tearing because of the difference in rotation speed after passing chuck 5, structural design is more reasonable.
More specifically, the deformation grooves 52 are distributed on the collet 5 in an annular array, so that the end of the collet 5 has more deformation grooves 52, and the uniform stress on the end of the collet 5 is maintained, so that the subsequent collet 5 can be more stable when clamping raw materials. Moreover, each deformation groove 52 extends from the end surface of the chuck 5 along the axial direction of the chuck 5, and one end of the deformation groove 52 located on the end surface of the chuck 5 is communicated with the outside, so that each deformation groove 52 is an open groove with one open end, the deformation of the deformation groove 52 can change the size of the clamping opening at the end of the chuck 5, and the size of the clamping opening of the chuck 5 can be adjusted.
More specifically, the widening grooves 53 are formed in the end face of each deformation groove 52, which is opposite to the end face of the chuck 5, namely, the widening grooves 53 are formed in the end face of each deformation groove 52, which extends in the axial direction of the chuck 5, the groove width of each widening groove 53 is larger than that of each deformation groove 52, the widening grooves 53 are communicated with the deformation grooves 52, namely, the width of the end part of the corresponding deformation groove 52 is increased through the widening grooves 53, so that the end part of each deformation groove 52 has a larger deformation space, the deformation amount of each deformation groove 52 is larger, the size adjusting range of the clamping opening of the chuck 5 is wider, and the adaptability is better.
More specifically, still be provided with labyrinth gland 7 on the sleeve seat 1, at this moment, labyrinth gland 7 is located the one side that pivot 2 was provided with loudspeaker form opening 21, and, labyrinth gland 7 cover is located outside pivot 2, and simultaneously, a plurality of first seal groove 22 have been seted up on the outer wall of pivot 2, set up a plurality of second seal groove 71 that correspond with first seal groove 22 on labyrinth gland 7's the inner wall, and after labyrinth gland 7 installed to target in place, first seal groove 22 and second seal groove 71 stagger each other and inlay and establish, first seal groove 22 and second seal groove 71 mutual disposition and cell wall between them shelter from each other, thereby seal the interval sleeve between pivot 2 and the sleeve seat 1, realize the structure protection.
More specifically, still be provided with lock nut 8 in the pivot 2, this moment, be provided with locking external screw thread 23 on the outer wall of the tip that the pivot 2 stretches out the outer one end of cover barrel holder 1, and, 8 threaded connection of lock nut is served in the pivot 2 that is provided with locking external screw thread 23, and one side of lock nut 8 is supported tightly on synchronous pulley 3, be connected the back with locking external screw thread 23 in pivot 2 through lock nut 8 promptly, can restrict synchronous pulley 3 along the axial displacement of pivot 2 through lock nut 8, thereby prevent the problem that synchronous pulley 3 drops from pivot 2, structural stability is higher.
More specifically, bearings 9 are arranged between the rotating shaft 2 and the sleeve base 1 and between the rotary pull rod 6 and the piston 41, so that friction loss between the rotating shaft 2 and the sleeve base 1 and between the rotary pull rod 6 and the piston 41 is reduced through the bearings 9, energy loss is reduced, and the service life is prolonged.
More specifically, be provided with outstanding spacing step 24 on the outer wall of the one end that pivot 2 was provided with horn shape opening 21, set up bearing 9 between pivot 2 and sleeve seat 1 and support and lean on in spacing step 24, promptly through spacing step 24 as setting up the structure of supporting of bearing 9 between pivot 2 and sleeve seat 1, for the stable installation of bearing 9 between pivot 2 and the sleeve seat 1 provides the condition, structural design is more reasonable.
More specifically, still be provided with in the pivot 2 and support cover 91, this moment, support cover 91 cover and locate in pivot 2, and be located pivot 2 and install synchronous pulley 3's one end, and simultaneously, support one side of cover 91 and support and lean on bearing 9 and deviate from one side of spacing step 24, support the opposite side of cover 91 and support and lean on synchronous pulley 3, through supporting cover 91 as synchronous pulley 3 promptly and setting up the partition structure of bearing 9 between pivot 2 and cover cylinder 1, prevented that synchronous pulley 3 from directly supporting and leaning on bearing 9 and lead to the problem that structural stability descends, power transmission's reliability between synchronous pulley 3 and the bearing 9 has been guaranteed.
More specifically, the end of the rotating shaft 2 departing from the mounting synchronous pulley 3 also extends out of the sleeve seat 1, and at this time, the first sealing groove 22 on the rotating shaft 2 is located outside the sleeve seat 1, so that the labyrinth gland 7 can be conveniently mounted on the rotating shaft 2. And, labyrinth gland 7 is close to one side of sleeve barrel 1 and is provided with outstanding location portion 72, and location portion 72 embedding sleeve barrel 1 in, has guaranteed labyrinth gland 7 stability and the accuracy of installing on sleeve barrel 1, and structural design is more reasonable.
The rotating guide sleeve of the walking machine, which can automatically clamp the chuck, provided by the embodiment comprises a sleeve seat 1, a rotating shaft 2, a synchronous pulley 3, an oil cylinder 4, a chuck 5 and a rotating pull rod 6; the rotary pull rod 6 is driven by the oil cylinder 4 to pull the chuck 5 to stretch and move in the hollow of the rotating shaft 2 on the sleeve seat 1, and the horn-shaped opening of the rotating shaft 2 is matched with the horn-shaped bulge 51 of the chuck 5, so that the size of the clamping opening of the chuck 5 can be adjusted, the telescopic moving requirement of raw materials can be met, the raw materials can be clamped under the condition that the raw materials do not need to stretch and move, the requirements of heavy turning and milling processing can be met, the stability of products in processing can be ensured, the problems of cutter vibration and the like can be prevented, the service life of a cutter can be effectively prolonged, the processing beat can be shortened, the processing of the raw materials with larger diameter can be better adapted, the adaptability is better, in addition, the requirement of secondary clamping when the outer diameter of the raw materials is poor due to processing can be met, the chuck 5 can be ensured to act on the raw materials all the time, the arrangement time of the process in earlier stage can be shortened, and the work of an operator can be lightened, the use limit is smaller, and the use and the popularization of the walking machine are facilitated.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a chuck can self-holding walk rotatory guide pin bushing of heart machine, includes the guide pin bushing support frame and install in guide pin bushing on the guide pin bushing support frame, its characterized in that, the guide pin bushing still includes:
the sleeve seat is arranged in a cylindrical shape and is arranged on the guide sleeve support frame;
the rotating shaft is rotatably arranged in the sleeve seat, the rotating shaft is a hollow shaft, an opening at one hollow end of the rotating shaft is a horn-shaped opening with a large end facing outwards, and the other end of the rotating shaft extends out of the sleeve seat;
the synchronous belt wheel is fixedly arranged on one end of the rotating shaft extending out of the sleeve seat;
the oil cylinder is arranged on the guide sleeve support frame and is positioned on one side, close to the rotating shaft, of the sleeve seat, where the synchronous belt pulley is arranged, a piston of the oil cylinder is hollow, and the moving direction of the piston is the axial direction of the rotating shaft;
the chuck is arranged in the hollow of the rotating shaft and is positioned at one end of the horn-shaped opening, the chuck is of a hollow structure, the outer wall of one end of the chuck is provided with a horn-shaped bulge matched with the horn-shaped opening, and the outer wall of one end of the chuck, which is provided with the horn-shaped bulge, is provided with a plurality of deformation grooves along the axial direction;
the one end of rotatory pull rod rotate install in the cavity of piston, the other end of rotatory pull rod stretches into in the cavity of pivot and with the chuck is connected, just rotatory pull rod is hollow structure.
2. The center-walking machine rotary guide sleeve with the automatically-clamped chuck as claimed in claim 1, wherein a synchronous belt is arranged on the synchronous pulley, and the other end of the synchronous belt is connected with a main shaft of the center-walking machine.
3. The rotating guide sleeve of the walking machine with the chuck capable of automatically clamping according to claim 1, wherein a plurality of the deformation grooves are distributed on the chuck in an annular array, each deformation groove extends from the end face of the chuck along the axial direction of the chuck, and one end of the deformation groove, which is located on the end face of the chuck, is communicated with the outside.
4. The center-walking machine rotary guide sleeve capable of automatically clamping the chuck according to claim 3, wherein one end of each deformation groove, which is away from the end face of the chuck, is provided with an expansion groove, the width of the expansion groove is larger than that of the deformation groove, and the expansion groove is communicated with the deformation groove.
5. The walking machine rotating guide sleeve with the chuck capable of automatically clamping according to claim 1, further comprising a labyrinth gland, wherein the labyrinth gland is disposed on the sleeve seat and located on one side of the rotating shaft where the horn-shaped opening is disposed, the labyrinth gland is sleeved outside the rotating shaft, a plurality of first sealing grooves are disposed on the outer wall of the rotating shaft, a plurality of second sealing grooves corresponding to the first sealing grooves are disposed on the labyrinth gland, and the first sealing grooves and the second sealing grooves are staggered and embedded.
6. The walking machine rotating guide sleeve with the chuck capable of automatically clamping according to claim 1, further comprising a locking nut, wherein a locking external thread is arranged on the outer wall of the end portion of one end of the rotating shaft extending out of the sleeve seat, the locking nut is in threaded connection with one end of the rotating shaft provided with the locking external thread, and one side of the locking nut abuts against the synchronous pulley.
7. The rotating guide sleeve of the automatic chuck clamping centering machine according to claim 1, further comprising a plurality of bearings, wherein the bearings are arranged between the rotating shaft and the sleeve seat and between the rotating pull rod and the piston.
8. The rotating guide sleeve of the walking machine with the automatically clamped chuck as claimed in claim 7, wherein the outer wall of the end of the rotating shaft provided with the horn-shaped opening is provided with a protruding limiting step, and the bearing arranged between the rotating shaft and the sleeve seat is abutted against the limiting step.
9. The walking machine rotating guide sleeve with the chuck capable of being automatically clamped according to claim 8, further comprising a support sleeve, wherein the support sleeve is sleeved on the rotating shaft and is located at one end, where the synchronous pulley is installed, of the rotating shaft, one side of the support sleeve abuts against one side, away from the limiting step, of the bearing, and the other side of the support sleeve abuts against the synchronous pulley.
10. The automatic clamping chuck of the rotating guide sleeve of the centerless walking machine as claimed in claim 5, wherein one end of the rotating shaft away from the installation synchronous pulley also extends out of the sleeve seat, the first sealing grooves are located outside the sleeve seat, and one side of the labyrinth gland is provided with a positioning portion, and the positioning portion is embedded into the sleeve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111025204.7A CN113751732A (en) | 2021-09-02 | 2021-09-02 | Rotating guide sleeve of walking machine with chuck capable of automatically clamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111025204.7A CN113751732A (en) | 2021-09-02 | 2021-09-02 | Rotating guide sleeve of walking machine with chuck capable of automatically clamping |
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| Publication Number | Publication Date |
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| CN113751732A true CN113751732A (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111025204.7A Pending CN113751732A (en) | 2021-09-02 | 2021-09-02 | Rotating guide sleeve of walking machine with chuck capable of automatically clamping |
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| CN (1) | CN113751732A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273956A (en) * | 2021-12-27 | 2022-04-05 | 常州瑞钛克医疗器械有限公司 | Back shaft mechanism and walking machine |
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Application publication date: 20211207 |