CN110405281B - A reaming processingequipment for in deep hole - Google Patents
A reaming processingequipment for in deep hole Download PDFInfo
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- CN110405281B CN110405281B CN201910733863.2A CN201910733863A CN110405281B CN 110405281 B CN110405281 B CN 110405281B CN 201910733863 A CN201910733863 A CN 201910733863A CN 110405281 B CN110405281 B CN 110405281B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
- B23D79/02—Machines or devices for scraping
- B23D79/04—Machines or devices for scraping with rotating cutting-tool, e.g. for smoothing linings of bearings
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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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Mechanical Engineering (AREA)
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- Optics & Photonics (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a reaming device for deep holes, which comprises a device main body, wherein a transmission device is arranged in the device main body, a groove with an upward opening is arranged in the device main body, a rotary table is rotatably arranged in the groove, the lower end of the rotary table is connected to the transmission device through a short shaft, and an installation cavity with an upward opening is arranged in the rotary table.
Description
Technical Field
The invention relates to the field of machining, in particular to a reaming device for deep holes.
Background
In the mechanical processing production process, the work piece after drilling is often reamed, sometimes the bottom of a deep hole needs to be reamed, so that the aperture of the bottom of the deep hole is large, the aperture of the top of the deep hole is small, and a common reaming drill bit cannot extend into the deep hole, therefore, the work piece is generally produced by a casting method, but the precision of the deep hole in the cast workpiece is lower, the production requirement can not be met, the waste of the workpiece material is serious, the reaming device for the deep hole can solve the problems, the reaming device can be directly used for reaming the deep hole of the workpiece, the reaming range is adjusted by the pneumatic transmission mode, the transmission is stable, the precision of the deep hole is not influenced, when the hole is expanded, the rotation directions of the blade and the workpiece are opposite, so that the relative rotation speed between the blade and the workpiece is improved, and energy resources are saved.
Disclosure of Invention
The technical problem is as follows:
the common expanding drill bit can not extend into a deep hole for machining, and the deep hole precision of a workpiece produced by casting is lower, so that the production requirement can not be met.
In order to solve the problems, the embodiment designs a reaming processing device for deep holes, which comprises a device main body, wherein a transmission device is arranged in the device main body, a groove with an upward opening is arranged in the device main body, a rotary disc is rotatably arranged in the groove, the lower end of the rotary disc is connected with the transmission device through a short shaft, an installation cavity with an upward opening is arranged in the rotary disc, four spring grooves are distributed in an annular array in the circumferential inner wall of the installation cavity, the spring grooves are communicated with the installation cavity, clamping plates are slidably arranged in the spring grooves, a compression spring is fixedly connected between one end of each clamping plate, which is far away from a symmetry center, and the inner wall of each spring groove, which is far away from the symmetry center, a workpiece is clamped among the four clamping plates, and the workpiece can be clamped through the clamping plates under the elastic force of the compression spring, the workpiece is internally provided with a deep hole with an upward opening, the upper end of the transmission device is connected with an adjusting device through a cantilever shaft, the lower end of the adjusting device is connected with a blade device, the lower end of the blade device can extend into the deep hole and perform reaming processing on the deep hole, and the adjusting device can adjust the processing range of the blade device through a pneumatic transmission method. Beneficially, the transmission device comprises a gear cavity arranged in the inner wall of the lower side of the groove, a large gear is rotatably arranged in the gear cavity, the lower end of the short shaft is fixedly connected with the large gear, a small gear is arranged at the right end of the large gear in a meshed manner, speed reduction transmission is performed between the small gear and the large gear, a long shaft is fixedly connected in the small gear, a large motor is fixedly arranged in the inner wall of the lower side of the gear cavity, the lower end of the long shaft is in power connection with the large motor, a belt groove is arranged in the inner wall of the upper side of the gear cavity, the upper end of the long shaft extends into the belt groove and is fixedly connected with a driving pulley, a driven pulley is rotatably arranged on the left side of the driving pulley, a synchronous belt is connected between the driving pulley and the driven pulley, the upper end of the cantilever shaft, and then the pinion drives the gearwheel to rotate in a decelerating manner, the short shaft drives the turntable to rotate, the clamping plate drives the workpiece to rotate, and meanwhile, the driving belt wheel drives the driven belt wheel to rotate through the synchronous belt, so that the cantilever shaft drives the adjusting device.
Advantageously, the direction of rotation between the stub shaft and the cantilevered shaft is opposite, and the rotational speed of the stub shaft is less than the rotational speed of the cantilevered shaft.
Advantageously, the adjusting device comprises a sliding shaft sleeve which can rotate and slide up and down, a connecting hole with an upward opening is arranged in the sliding shaft sleeve, the lower end of the cantilever shaft extends into the connecting hole and is in splined connection with the sliding shaft sleeve, the cantilever shaft and the sliding shaft sleeve are always in a connected state, a sealed cavity is arranged in the sliding shaft sleeve, a sliding plate is slidably arranged in the sealed cavity, a motor shaft is connected with the sliding plate in a threaded manner, a small motor is fixedly arranged in the inner wall of the upper side of the sealed cavity, the upper end of the motor shaft is in power connection with the small motor, two through holes are communicated in the inner wall of the lower side of the sealed cavity, the through holes are downward opened, the blade device is fixedly connected to the sliding shaft sleeve and can manually slide the sliding shaft sleeve to drive the blade device, and then the motor shaft drives the sliding plate to slide downwards, so that air in the sealing cavity is discharged into the blade device through the through hole, the machining range of the blade device is adjusted, and when the cantilever shaft rotates, the sliding shaft sleeve is driven to rotate, so that the blade device is driven to rotate, and the deep hole is reamed.
But preferably, the intercommunication chamber that is equipped with of intercommunication in the sealed chamber left side inner wall, it is connected with connecting gear to rotate between the inner wall around the intercommunication chamber, the rack has set firmly in the sliding plate left end face, the connecting gear right end mesh in interior rack, the intercommunication is equipped with the restriction groove in the intercommunication chamber left side inner wall, restriction groove opening left, slidable is equipped with the scale plate in the restriction groove, the scale plate seals the intercommunication chamber is avoided the air leakage in the sealed chamber, even scale of carving on the scale plate left end face, the scale plate right end face sets firmly outer rack, the connecting gear left end mesh in outer rack.
Preferably, an indication arrow is fixedly arranged in the inner wall of the right side of the limiting groove, the indication arrow points to the scale plate, scale values of the indication arrow points to the scale plate correspond to machining range values of the blade device in a one-to-one mode, the sliding plate slides downwards and drives the connecting gear to rotate through the inner gear, the scale plate is driven to ascend through the outer gear, and then the position of the indication arrow points to the scale plate is changed.
Beneficially, the blade device comprises a fixed air pipe fixedly connected to the lower end of the sliding shaft sleeve, a connecting block is fixedly connected to the lower end of the fixed air pipe, the connecting block can extend into the deep hole, a gas channel is arranged in the fixed air pipe in a vertically through mode, the gas channel is communicated with the through hole, a gas storage cavity with an upward opening is arranged in the connecting block, the gas storage cavity is communicated with the gas channel, four limiting holes are distributed in the circumferential inner wall of the gas storage cavity in an annular array mode, the limiting holes are communicated with the gas storage cavity, a sliding guide cavity is communicated with one side, away from the symmetry center, of each limiting hole, the inner diameter of each sliding guide cavity is larger than the inner diameter of each limiting hole, a piston plate is slidably arranged in each sliding guide cavity, a sliding rod is fixedly connected to one end, away from the piston plate, of each sliding rod extends out of the connecting, the air in the sealing cavity flows into the air storage cavity and the sliding guide cavity through the through hole and the air channel, the piston plate is pushed to slide, the sliding rod and the blade are driven to slide, when the sliding shaft sleeve rotates, the connecting block is driven to rotate through the fixed air pipe, the blade is driven to rotate through the piston plate and the sliding rod, and then the deep hole is reamed.
Preferably, a return spring is fixedly connected between one end, far away from the symmetric center, of the piston plate and the inner wall, far away from the symmetric center, of the sliding cavity, the piston plate, the sliding rod and the blade are pushed to slide under the action of high-pressure air in the air storage cavity, the return spring is compressed, when the elastic force of the return spring is equal to the pressure of the air in the air storage cavity on the piston plate, the piston plate does not slide any more, and at the moment, the outer diameter of a circle formed by the four blades is the maximum inner diameter of the deep hole after reaming.
Preferably, an electromagnetic valve is fixedly arranged in the gas channel, the electromagnetic valve is electrically connected with the small motor, and the small motor conducts electricity to the electromagnetic valve when being started, so that the gas channel is communicated.
The invention has the beneficial effects that: the invention can directly carry out reaming processing in the deep hole of the workpiece, carry out reaming range adjustment in a pneumatic transmission mode, have stable transmission and do not influence the precision of the deep hole, lead the rotation of the blade and the workpiece to be opposite in the reaming process, improve the relative rotation speed between the blade and the workpiece and save energy resources.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic view of the whole structure of a reaming device for deep holes according to the present invention;
FIG. 2 is a schematic view of the structure of the workpiece of FIG. 1 prior to machining;
FIG. 3 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 4 is an enlarged schematic view of "B" of FIG. 1;
FIG. 5 is an enlarged schematic view of "C" of FIG. 1;
FIG. 6 is a schematic view of the structure in the direction "D-D" of FIG. 4;
FIG. 7 is a schematic view of the structure in the direction "E-E" of FIG. 5.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a reaming device for deep holes, which is mainly applied to the reaming of deep holes of workpieces, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to a reaming device for deep holes, which comprises a device main body 11, wherein a transmission device 100 is arranged in the device main body 11, a groove 12 with an upward opening is arranged in the device main body 11, a rotary table 15 is rotatably arranged in the groove 12, the lower end of the rotary table 15 is connected to the transmission device 100 through a short shaft 14, an installation cavity 28 with an upward opening is arranged in the rotary table 15, four spring grooves 25 are distributed in an annular array in the circumferential inner wall of the installation cavity 28, the spring grooves 25 are communicated with the installation cavity 28, clamping plates 29 are slidably arranged in the spring grooves 25, a pressing spring 26 is fixedly connected between one end of each clamping plate 29, which is far away from a symmetric center, and the inner wall of each spring groove 25, which is far away from the symmetric center, a workpiece 24 is clamped among the four clamping plates 29, and the workpiece 24 can be clamped through the clamping plates 29 under the elastic force of the pressing, a deep hole 30 with an upward opening is formed in the workpiece 24, the upper end of the transmission device 100 is connected with an adjusting device 101 through a cantilever shaft 23, the lower end of the adjusting device 101 is connected with a blade device 102, the lower end of the blade device 102 can extend into the deep hole 30 and perform reaming processing on the deep hole 30, and the adjusting device 101 can adjust the processing range of the blade device 102 through a pneumatic transmission method.
According to the embodiment, it is right below that transmission 100 explains in detail, transmission 100 is including locating gear chamber 27 in the recess 12 downside inner wall, the rotatable gear wheel 13 that is equipped with in gear chamber 27, the minor axis 14 lower extreme links firmly in gear wheel 13, the meshing of gear wheel 13 right-hand member is equipped with pinion 16, pinion 16 with be speed reduction transmission between the gear wheel 13, long shaft 18 has been linked firmly in pinion 16, gear chamber 27 downside inner wall has set firmly the large motor 17, long shaft 18 lower extreme power connect in large motor 17, be equipped with race 20 in the gear chamber 27 upside inner wall, long shaft 18 upper end extends to in race 20 and has linked firmly driving pulley 19, the rotatable driven pulley 22 that is equipped with in driving pulley 19 left side, driving pulley 19 with be connected with hold-in range 21 between driven pulley 22, the upper end of the cantilever shaft 23 is fixedly connected with the driven pulley 22, the large motor 17 is started, the small gear 16 and the driving pulley 19 are driven by the long shaft 18 to rotate, the small gear 16 drives the large gear 13 to rotate in a speed reducing mode, the rotary table 15 is driven by the short shaft 14 to rotate, the workpiece 24 is driven to rotate by the clamping plate 29, meanwhile, the driving pulley 19 drives the driven pulley 22 to rotate by the synchronous belt 21, and the adjusting device 101 is driven by the cantilever shaft 23.
Advantageously, the direction of rotation between the stub shaft 14 and the cantilever shaft 23 is opposite, and the rotational speed of the stub shaft 14 is less than the rotational speed of the cantilever shaft 23.
According to the embodiment, the adjusting device 101 is described in detail below, the adjusting device 101 includes a sliding shaft sleeve 43 capable of rotating and sliding up and down, a connection hole 55 with an upward opening is formed in the sliding shaft sleeve 43, the lower end of the cantilever shaft 23 extends into the connection hole 55 and is splined with the sliding shaft sleeve 43, the cantilever shaft 23 is always connected with the sliding shaft sleeve 43, a sealed cavity 47 is formed in the sliding shaft sleeve 43, a sliding plate 45 is slidably arranged in the sealed cavity 47, a motor shaft 46 is connected with the sliding plate 45 through a thread, a small motor 44 is fixedly arranged in the inner wall of the upper side of the sealed cavity 47, the upper end of the motor shaft 46 is connected to the small motor 44 through a power, two through holes 48 are arranged in the inner wall of the lower side of the sealed cavity 47 in a communicating manner, the through holes 48 are opened downwards, and the blade device 102 is fixedly, the sliding shaft sleeve 43 can be manually slid to drive the blade device 102 to extend into the deep hole 30, the small motor 44 is started, the sliding plate 45 is driven to slide downwards through the motor shaft 46, air in the sealed cavity 47 is discharged into the blade device 102 through the through hole 48, the machining range of the blade device 102 is adjusted, and when the cantilever shaft 23 rotates, the sliding shaft sleeve 43 is driven to rotate, the blade device 102 is driven to rotate, and the deep hole 30 is reamed.
Beneficially, a communicating cavity 50 is arranged in the inner wall of the left side of the sealed cavity 47 in a communicating manner, a connecting gear 51 is rotatably connected between the front inner wall and the rear inner wall of the communicating cavity 50, an inner rack 49 is fixedly arranged in the left end face of the sliding plate 45, the right end of the connecting gear 51 is meshed with the inner rack 49, a limiting groove 54 is arranged in the inner wall of the left side of the communicating cavity 50 in a communicating manner, the limiting groove 54 is opened leftwards, a scale plate 53 is slidably arranged in the limiting groove 54, the scale plate 53 seals the communicating cavity 50 to prevent air in the sealed cavity 47 from leaking, scales are uniformly carved on the left end face of the scale plate 53, an outer rack 52 is fixedly arranged in the right end face of the scale plate 53, and the left end of the connecting gear 51 is meshed with.
Advantageously, an indication arrow 56 is fixedly arranged in the inner wall of the right side of the limiting groove 54, the indication arrow 56 points to the scale plate 53, the scale values of the indication arrow 56 points to the scale plate 53 correspond to the machining range values of the blade device 102 one by one, the sliding plate 45 slides downwards and drives the connecting gear 51 to rotate through the inner rack 49, and then drives the scale plate 53 to ascend through the outer rack 52, so as to change the position of the indication arrow 56 pointing to the scale plate 53.
According to the embodiment, the blade device 102 will be described in detail below, the blade device 102 includes a fixed air tube 42 fixedly connected to the lower end of the sliding shaft sleeve 43, the lower end of the fixed air tube 42 is fixedly connected with a connecting block 40, the connecting block 40 can extend into the deep hole 30, an air channel 41 is vertically arranged in the fixed air tube 42 in a through manner, the air channel 41 is communicated with the through hole 48, an air storage chamber 32 with an upward opening is arranged in the connecting block 40, the air storage chamber 32 is communicated with the air channel 41, four limiting holes 38 are arranged in the circumferential inner wall of the air storage chamber 32 in an annular array, the limiting holes 38 are communicated with the air storage chamber 32, a sliding guide chamber 37 is arranged in one side of the limiting holes 38 far from the symmetric center in a communication manner, the inner diameter of the sliding guide chamber 37 is larger than the inner diameter of the limiting holes 38, and a piston plate 36 is slidably arranged in, piston plate 36 is kept away from symmetric center one end and is linked firmly slide bar 33, slide bar 33 is kept away from piston plate 36 one end extends to outside connecting block 40 and has linked firmly blade 34, the air in the sealed chamber 47 passes through-hole 48 and gas channel 41 flows the gas storage chamber 32 and lead in the smooth chamber 37, and promote piston plate 36 slides, and then drives slide bar 33 and blade 34 slides, works as when slip axle sleeve 43 rotates, through fixed trachea 42 drives connecting block 40 rotates, and then passes through piston plate 36 and slide bar 33 drives blade 34 rotates, and then is right deep hole 30 carries out reaming processing.
Advantageously, a return spring 35 is fixedly connected between one end of the piston plate 36 far from the symmetry center and the inner wall of the slide guide chamber 37 far from the symmetry center, the piston plate 36, the slide rod 33 and the blade 34 are pushed to slide under the action of high-pressure air in the air storage chamber 32, and the return spring 35 is compressed, when the elastic force of the return spring 35 is equal to the pressure of air in the air storage chamber 32 on the piston plate 36, the piston plate 36 does not slide any more, and at this time, the outer diameter of the circle formed by the four blades 34 is the maximum inner diameter of the deep hole 30 after reaming.
Advantageously, a solenoid valve 31 is fixedly arranged in the gas channel 41, the solenoid valve 31 is electrically connected to the small motor 44, and when the small motor 44 is started, the solenoid valve 31 is electrically conducted, so as to communicate with the gas channel 41.
The following will describe in detail the use steps of a reaming device for deep holes in conjunction with fig. 1 to 7:
initially, the connecting block 40 is at the upper limit position and outside the deep hole 30, the blade 34 abuts against the connecting block 40, the sliding plate 45 is at the upper limit position, the scale plate 53 is at the lower limit position, and the outer diameter of the circle formed by the blade 34 is smaller than the inner diameter of the deep hole 30.
When the device is used, a workpiece 24 is placed between the clamping plates 29, the workpiece 24 is clamped through the clamping plates 29 under the action of the elastic force of the compression spring 26, the sliding shaft sleeve 43 slides downwards manually, the fixed air pipe 42 and the connecting block 40 are driven to slide downwards into the deep hole 30, the sliding shaft sleeve 43 stops sliding when the lower end of the blade 34 abuts against the inner wall of the lower side of the deep hole 30, the small motor 44 is started and energizes the electromagnetic valve 31, the small motor 44 drives the sliding plate 45 to slide through the motor shaft 46, air in the sealed cavity 47 is pressed into the air storage cavity 32 and the guide sliding cavity 37 through the through hole 48 and the air channel 41, the piston plate 36, the sliding rod 33 and the blade 34 are pushed to slide, the return spring 35 is compressed, the pressure in the air storage cavity 32 is equal to the elastic force of the return spring 35 in the process, and the pressure in the air storage cavity 32 continues to increase after the blade 34 abuts against, the return spring 35 is not compressed, the sliding plate 45 slides downwards and drives the connecting gear 51 to rotate through the communicating cavity 50, the scale plate 53 is driven to slide upwards through the outer rack 52, when the scale value on the scale plate 53 pointed by the indication arrow 56 is the reaming value required by the processing, the small motor 44 is stopped and the electromagnetic valve 31 is powered off, the air pressure in the air storage cavity 32 is not increased, the air pressure in the air storage cavity 32 is larger than the elastic force of the return spring 35, the large motor 17 is started, the small gear 16 and the driving pulley 19 are driven to rotate through the long shaft 18, the small gear 16 drives the large gear 13 to rotate in a decelerating way, the turntable 15 is driven to rotate through the short shaft 14, the workpiece 24 is driven to rotate through the clamping plate 29, the driving pulley 19 rotates and drives the driven pulley 22 to rotate through the synchronous belt 21, the sliding shaft sleeve 43 is driven to rotate through the cantilever shaft 23, and the connecting block, and then drive blade 34 to rotate and ream the deep hole 30 through piston plate 36 and slide bar 33, because the rotation direction of cantilever axle 23 and minor axis 14 is opposite, and then make blade 34 and work piece 24 rotate in opposite directions, and then can increase the relative rotational speed between blade 34 and work piece 24, can save energy, in the reaming process, the internal diameter of deep hole 30 is constantly increased, push piston plate 36, slide bar 33 and blade 34 to slide under the air pressure in the air storage chamber 32 at this moment, and then ream the deep hole 30 continuously through blade 34, when the elasticity of reset spring 35 is equal with the air pressure value in the air storage chamber 32, blade 34 no longer reams deep hole 30, the external diameter of the circle that blade 34 formed at this moment corresponds with the scale interval that instruction arrow 56 points to scale plate 53, at this moment, can take out work piece 24 after restoring the initial condition with the device.
The invention has the beneficial effects that: the invention can directly carry out reaming processing in the deep hole of the workpiece, carry out reaming range adjustment in a pneumatic transmission mode, have stable transmission and do not influence the precision of the deep hole, lead the rotation of the blade and the workpiece to be opposite in the reaming process, improve the relative rotation speed between the blade and the workpiece and save energy resources.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (9)
1. A reaming device for deep holes comprises a device main body; a transmission device is arranged in the device main body, a groove with an upward opening is arranged in the device main body, a rotary table is rotatably arranged in the groove, and the lower end of the rotary table is connected to the transmission device through a short shaft; an installation cavity with an upward opening is formed in the rotary table, four spring grooves are distributed in an annular array in the circumferential inner wall of the installation cavity, the spring grooves are communicated with the installation cavity, clamping plates are slidably arranged in the spring grooves, a compression spring is fixedly connected between one end, away from the symmetric center, of each clamping plate and the inner wall, away from the symmetric center, of each spring groove, a workpiece is clamped among the four clamping plates, the workpiece can be clamped through the clamping plates under the elastic force action of the compression spring, and a deep hole with an upward opening is formed in the workpiece; the upper end of the transmission device is connected with an adjusting device through a cantilever shaft, the lower end of the adjusting device is connected with a blade device, the lower end of the blade device can extend into the deep hole and ream the deep hole, and the adjusting device can adjust the machining range of the blade device through a pneumatic transmission method.
2. A broaching device for deep holes, as in claim 1, in which: the transmission device comprises a gear cavity arranged in the inner wall of the lower side of the groove, a large gear is rotatably arranged in the gear cavity, the lower end of the short shaft is fixedly connected with the large gear, a small gear is arranged at the right end of the large gear in a meshed manner, speed reduction transmission is performed between the small gear and the large gear, a long shaft is fixedly connected in the small gear, a large motor is fixedly arranged in the inner wall of the lower side of the gear cavity, and the lower end of the long shaft is in power connection with the large motor; be equipped with the belt groove in the gear chamber upside inner wall, the major axis upper end extends to in the belt groove and linked firmly driving pulley, the rotatable driven pulleys that are equipped with in driving pulley left side, driving pulley with be connected with the hold-in range between the driven pulleys, cantilever epaxial end link firmly in driven pulleys.
3. A broaching device for deep holes, as in claim 2, in which: the rotation direction between the short shaft and the cantilever shaft is opposite, and the rotation speed of the short shaft is less than that of the cantilever shaft.
4. A broaching device for deep holes, as in claim 1, in which: the adjusting device comprises a sliding shaft sleeve which can rotate and slide up and down, a connecting hole with an upward opening is formed in the sliding shaft sleeve, the lower end of the cantilever shaft extends into the connecting hole and is in splined connection with the sliding shaft sleeve, and the cantilever shaft and the sliding shaft sleeve are always in a connected state; a sealing cavity is arranged in the sliding shaft sleeve, a sliding plate is arranged in the sealing cavity in a sliding manner, a motor shaft is connected with the sliding plate in an internal thread manner, a small motor is fixedly arranged in the inner wall of the upper side of the sealing cavity, and the upper end of the motor shaft is connected with the small motor in a power mode; two through holes are formed in the inner wall of the lower side of the sealed cavity in a communicated mode, the through holes are downward in opening, and the blade device is fixedly connected with the sliding shaft sleeve.
5. A broaching device for deep holes, as in claim 4, in which: a communicating cavity is arranged in the inner wall of the left side of the sealing cavity in a communicating manner, a connecting gear is rotatably connected between the front inner wall and the rear inner wall of the communicating cavity, an inner rack is fixedly arranged in the left end surface of the sliding plate, and the right end of the connecting gear is meshed with the inner rack; a limiting groove is formed in the inner wall of the left side of the communicating cavity in a communicating mode, the limiting groove is opened leftwards, a scale plate is arranged in the limiting groove in a sliding mode, the communicating cavity is sealed by the scale plate, air in the sealed cavity is prevented from leaking, and scales are evenly marked on the left end face of the scale plate; an outer rack is fixedly arranged in the right end face of the scale plate, and the left end of the connecting gear is meshed with the outer rack.
6. A broaching device for deep holes, as in claim 5, in which: an indication arrow is fixedly arranged in the inner wall of the right side of the limiting groove and points to the scale plate.
7. A broaching device for deep holes, as in claim 4, in which: the blade device comprises a fixed air pipe fixedly connected to the lower end of the sliding shaft sleeve, the lower end of the fixed air pipe is fixedly connected with a connecting block, the connecting block can extend into the deep hole, a gas channel is arranged in the fixed air pipe in a vertically through mode, the gas channel is communicated with the through hole, a gas storage cavity with an upward opening is arranged in the connecting block, and the gas storage cavity is communicated with the gas channel; the gas storage chamber circumference inner wall annular array distributes be equipped with four spacing holes, spacing hole be linked together in the gas storage chamber, spacing hole is kept away from being equipped with that symmetry center one side is linked together and is led smooth chamber, it is greater than to lead smooth intracavity diameter the internal diameter in spacing hole, it is equipped with the piston plate to lead smooth intracavity slidable, the piston plate is kept away from symmetry center one end and is linked firmly the slide bar, the slide bar is kept away from piston plate one end extends to just linked firmly the blade outside the connecting block.
8. A broaching device for deep holes as in claim 7, in which: and a return spring is fixedly connected between one end of the piston plate, which is far away from the symmetric center, and the inner wall of the sliding guide cavity, which is far away from the symmetric center.
9. A broaching device for deep holes as in claim 7, in which: and an electromagnetic valve is fixedly arranged in the gas channel and electrically connected with the small motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910733863.2A CN110405281B (en) | 2019-08-09 | 2019-08-09 | A reaming processingequipment for in deep hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910733863.2A CN110405281B (en) | 2019-08-09 | 2019-08-09 | A reaming processingequipment for in deep hole |
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| CN110405281A CN110405281A (en) | 2019-11-05 |
| CN110405281B true CN110405281B (en) | 2020-06-02 |
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| CN201910733863.2A Active CN110405281B (en) | 2019-08-09 | 2019-08-09 | A reaming processingequipment for in deep hole |
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| CN110748321B (en) * | 2019-11-06 | 2020-07-28 | 东营华辰石油装备有限公司 | Anti-theft valve for petroleum well head |
| CN112895407B (en) * | 2021-01-26 | 2023-04-14 | 宜宾学院 | Thermoplastic pipeline expanding device |
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| CN110405281A (en) | 2019-11-05 |
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