CN114310369B - Pin hole single-matching processing method using tooth sleeve alignment positioning device - Google Patents
Pin hole single-matching processing method using tooth sleeve alignment positioning device Download PDFInfo
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- CN114310369B CN114310369B CN202011050837.9A CN202011050837A CN114310369B CN 114310369 B CN114310369 B CN 114310369B CN 202011050837 A CN202011050837 A CN 202011050837A CN 114310369 B CN114310369 B CN 114310369B
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Abstract
The invention discloses a pin hole single-matching processing method using a tooth sleeve alignment positioning device, which comprises a tooth sleeve push rod alignment mechanism and a positioning plug mechanism; the tooth sleeve push rod centering mechanism comprises a rotary cap and a base which are connected through a drum-shaped bearing, wherein two ends of a push rod are connected with a push handle through a pin hole and a pin shaft, and the middle part of the push rod is connected with the rotary cap and the base through a kidney-shaped chute; the positioning and inserting mechanism comprises a tooth-shaped positioning block embedded into the cutter handle body, and the cutter handle body and the tooth-shaped positioning block are fixed by adopting an inner hexagon bolt. The method adopts a tooth sleeve push rod centering mechanism and a positioning plug mechanism to align and position the upper and lower tooth sleeves, takes the pin holes of the upper tooth sleeve as the reference, and completes single matching processing of all pin holes on the end surface of the lower tooth sleeve by inserting a drilling die sleeve to drill, ream and hinge the lower tooth sleeve. The device and the method are convenient for realizing the alignment and positioning of the tooth sleeve, improve the precision and the efficiency of single-matching processing of the pin hole of the tooth sleeve, greatly shorten the whole processing period, reduce the production cost and meet the rapid production requirement of a steel production line.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a pin hole single-matching machining method using a tooth sleeve alignment positioning device.
Background
In the steel industry, a tooth coupling is a core component of mill power take-off. The coupler and the tooth sleeve of the core part on the coupler are required to be periodically stopped for maintenance, and the damaged tooth sleeve is replaced.
Such service changes typically only replace a single damaged tooth sleeve, not a set of teeth. Pin holes are uniformly distributed on the end face of the tooth sleeve, and in order to ensure that the tooth sleeve has enough bearing capacity, the tooth sleeve is designed in a positioning way. Therefore, the new tooth sleeve spare parts are semi-finished products, pin holes on the end faces of the new tooth sleeve spare parts are not machined in advance, and when the coupler is overhauled, the pin holes on the end faces of the tooth sleeve spare parts are machined in a single mode one by taking each pin hole on a certain tooth sleeve of the intact part as a reference, so that the requirement of using performance is met. As shown in fig. 1 and 2, the large-diameter tooth coupling comprises an upper tooth sleeve 1 and a lower tooth sleeve 2, wherein a plurality of pin holes 11 are uniformly distributed on the end surfaces of the upper tooth sleeve 1 and the lower tooth sleeve 2 along the circumference, and each pin hole of the lower tooth sleeve 2 is subjected to single-matching processing by taking the positions of each existing pin hole 11 of the upper tooth sleeve 1 as a reference. Because of the requirement of high precision, the conventional single-matching machining of the type needs to adopt a high-precision numerical control machine tool, and the single-matching machining is carried out by a machining method of drilling, expanding and boring. Secondly, in the single processing process of preparing, the alignment location of two tooth sleeves also becomes very important, all need in the past under the auxiliary measurement of processing equipment, rely on the manual work to adjust the alignment location for efficiency is lower, can't satisfy the urgent demand of iron and steel production line quick re-production to timeliness.
Disclosure of Invention
The invention aims to solve the technical problem of providing a pin hole single-matching processing method using a tooth sleeve alignment positioning device, which overcomes the defect of single-matching processing operation of the traditional tooth sleeve pin hole, gets rid of dependence on high-precision numerical control processing equipment, conveniently realizes alignment positioning of the tooth sleeve, improves the precision and efficiency of single-matching processing of the tooth sleeve pin hole, greatly shortens the whole processing period, reduces the production cost and meets the requirement of quick production of steel production lines.
In order to solve the technical problems, the tooth sleeve aligning and positioning device comprises a tooth sleeve push rod centering mechanism and a positioning plug mechanism;
the tooth sleeve push rod centering mechanism comprises a rotary cap, a base, a push rod, a push handle, a pin shaft and a drum-shaped bearing, wherein three equally-divided open grooves for the push rod to enter and exit and to recycle and swing are formed in the circumference of the rotary cap, an outer hexagonal boss for a spanner to rotate is formed in the top surface of the rotary cap, a counter bore for the drum-shaped bearing to mount is formed in the lower portion of the rotary cap, the drum-shaped bearing is mounted and connected with the rotary cap and the base, pin holes are respectively formed in two ends of the push rod and are used for being connected with the rotary cap and the push handle in a series-connection mode through the pin shaft, a kidney-shaped chute is formed in the middle of the push rod, three equally-divided kidney-shaped through holes for the push rod to enter and exit are formed in the circumference of the base, a pin hole is formed in the end face of the upper portion of the base, and the pin shaft is inserted into the pin hole and connected with the kidney-shaped chute in the middle of the push rod in series;
the positioning and plugging mechanism comprises a cutter handle body, a tooth-shaped positioning block and an inner hexagon bolt, wherein the cutter handle body is of a taper shank structure, a cylindrical body is arranged at the front end of the cutter handle body, a waist-shaped groove is formed in the circumferential surface of the cutter handle body, a straight tooth surface is arranged on the outer surface of the tooth-shaped positioning block, the tooth top of the tooth-shaped positioning block is arc-shaped, the tooth-shaped positioning block is inlaid in the waist-shaped groove in the circumferential surface of the cutter handle body, and the inner hexagon bolt is adopted between the lateral direction of the tooth-shaped positioning block and the cutter handle body for fastening.
Further, the pushing handle is tile-shaped in appearance and swings along the circumferential surface under the drive of the rotary cap, a waist-shaped through hole is formed in the circumferential surface of the pushing handle, and a pin hole connected with the push rod is formed in the upper end face of the pushing handle.
The single-matching processing method of the tooth sleeve pin hole by using the tooth sleeve alignment positioning device comprises the following steps:
step one, placing the end surface of a lower tooth sleeve needing to be singly provided with a processing pin hole on a radial drilling machine platform upwards, and leveling and clamping;
step two, the end face of the upper tooth sleeve disassembled by the lower line is downwards overlapped on the end face of the lower tooth sleeve, and the end face lamination between the upper tooth sleeve and the lower tooth sleeve is ensured;
arranging a parallel heightening cushion block in the lower gear sleeve, arranging a gear sleeve push rod centering mechanism on the parallel heightening cushion block, enabling the gear sleeve push rod centering mechanism to be positioned between the upper gear sleeve and the lower gear sleeve, driving an outer hexagonal boss to rotate a rotary cap by using a wrench, enabling the rotary cap to rotate, enabling a push rod to push out the push handle, enabling the push handle to swing along the inner circumferential surfaces of the upper gear sleeve and the lower gear sleeve, enabling the upper gear sleeve and the lower gear sleeve to be in the same circle center through the supporting action of the push handle, and realizing centering of the upper gear sleeve and the lower gear sleeve;
step four, mounting a cutter handle body of the positioning plug-in mechanism on a radial drilling machine spindle, rocking down and rotating the spindle to enable a tooth-shaped positioning block of the positioning plug-in mechanism to face a V-shaped tooth surface of a lower tooth sleeve, lifting the radial drilling machine spindle, completely attaching the tooth-shaped positioning block to the tooth surface of the lower tooth sleeve, pulling up a positioning self-locking mechanism of the radial drilling machine, and simultaneously rotating and locking the spindle; the upper tooth sleeve is knocked properly or a round bar is inserted into the existing pin hole, the round bar is adopted to pry to enable the upper tooth sleeve to slowly rotate, meanwhile, the radial drilling machine pulls up the main shaft to try to insert the tooth-shaped positioning block into the V-shaped tooth surface of the upper tooth sleeve, and multiple differential attempts are carried out until the tooth-shaped positioning block is completely meshed with the upper tooth sleeve and the lower tooth sleeve;
fifthly, after the upper tooth sleeve and the lower tooth sleeve are completely positioned, a clamp pressing plate is adopted to place the upper tooth sleeve on the step surface of the upper tooth sleeve, and the upper tooth sleeve and the lower tooth sleeve are fixed on a radial drilling machine platform;
step six, according to the pin hole diameter of the single matched processing required by the lower tooth sleeve, drilling, reaming, repairing and reaming are used as processing procedures, and a positioning stopper rod and a drilling die sleeve matched with the pin hole diameter are manufactured to be used as positioning tools for drilling and reaming;
step seven, mounting a positioning stopper rod on a radial drilling machine spindle, moving the radial drilling machine spindle to the position of an existing pin hole of an upper tooth sleeve, and manually shaking down the spindle to enable the positioning stopper rod to be slowly inserted into the pin hole of the upper tooth sleeve, pulling up a positioning self-locking mechanism of the radial drilling machine, and locking the center position of the hole;
step eight, after the positioning and self-locking of the radial drilling machine are completed, the spindle of the radial drilling machine is retracted and lifted, the positioning stopper rod is taken down, the drilling die sleeve is plugged into the pin hole of the upper tooth sleeve, and the C-shaped clamp is used for fixing the drilling die sleeve and the upper tooth sleeve, so that the drilling die sleeve is prevented from falling out of the pin hole;
step nine, mounting a cutting tool on a radial drilling machine spindle, and rocking down the spindle to enable the cutting tool to drill a lower tooth sleeve downwards along a drill jig sleeve;
step ten, after the hole is drilled along the drill die sleeve, loosening the C-shaped clamp on the drill die sleeve, and taking out the drill die sleeve;
step eleven, repeating the step seven to the step ten, and finishing the drilling processing of all pin holes on the lower tooth sleeve;
step twelve, replacing a reamer on a radial drilling machine spindle, and carrying out trimming and reaming processing on each drilled hole by the reamer along with the drilled hole position of the lower tooth sleeve by virtue of a self-centering function of a mechanical structure of the radial drilling machine;
thirteenth, replacing the reamer for the machine on the spindle of the radial drilling machine, and reaming each pin hole of the lower gear sleeve by the reamer for the machine along with the original pin hole position of the upper gear sleeve by means of the self-centering function of the mechanical structure of the radial drilling machine.
In the third step, after the centering of the upper tooth sleeve and the lower tooth sleeve is completed, the clamp pressing plate is used for clamping and fixing the lower tooth sleeve.
Further, the cutter handle body, the positioning stopper rod, the cutting tool, the reamer and the machine reamer are respectively connected with the radial drilling machine spindle by adopting a lengthening drill sleeve.
Further, the drill jig sleeve is made of Cr12 die steel through rough turning and semi-finish turning, quenching treatment and machining, the surface hardness reaches HRC 55-60, and inner and outer circle grinding is carried out by a grinding machine to ensure concentricity.
The gear sleeve aligning and positioning device and the pin hole single-matching processing method adopt the technical scheme that the device comprises a gear sleeve push rod centering mechanism and a positioning plug mechanism; the tooth sleeve push rod centering mechanism comprises a rotary cap and a base which are connected through a drum-shaped bearing, wherein two ends of a push rod are connected with a push handle through a pin hole and a pin shaft, and the middle part of the push rod is connected with the rotary cap and the base through a kidney-shaped chute; the positioning and inserting mechanism comprises a tooth-shaped positioning block embedded into the cutter handle body, and the cutter handle body and the tooth-shaped positioning block are fixed by adopting an inner hexagon bolt. The method adopts a tooth sleeve push rod centering mechanism and a positioning plug mechanism to align and position the upper and lower tooth sleeves, takes the pin holes of the upper tooth sleeve as the reference, and completes single matching processing of all pin holes on the end surface of the lower tooth sleeve by inserting a drilling die sleeve to drill, ream and hinge the lower tooth sleeve. The device and the method overcome the defect of single-matching processing operation of the traditional tooth sleeve pin hole, get rid of dependence on high-precision numerical control processing equipment, conveniently realize alignment and positioning of the tooth sleeve, improve the precision and efficiency of single-matching processing of the tooth sleeve pin hole, greatly shorten the whole processing period, reduce the production cost and meet the rapid production requirement of a steel production line.
Drawings
The invention is described in further detail below with reference to the attached drawings and embodiments:
FIG. 1 is a schematic view of a centering mechanism for a tooth sleeve push rod in a tooth sleeve centering and positioning device of the invention;
FIG. 2 is a top view of bitmap 1;
FIG. 3 is a schematic view of a positioning plug mechanism in the tooth sleeve alignment positioning device of the present invention;
FIG. 4 is A-A view of bitmap 3;
FIG. 5 is a schematic diagram of the positioning stopper in the present method;
FIG. 6 is a schematic diagram of a method of drilling a lower tooth sleeve through a drill die sleeve using a cutting tool;
FIG. 7 is a schematic view of reaming a lower sleeve borehole with a machine reamer in the present method.
Detailed Description
1-4, the tooth sleeve aligning and positioning device comprises a tooth sleeve push rod centering mechanism 3 and a positioning plug mechanism 4;
the tooth sleeve push rod centering mechanism 3 comprises a rotary cap 301, a base 302, a push rod 303, a push handle 304, a pin shaft 305 and a drum-shaped bearing 306, wherein three equally-divided open grooves for the push rod 303 to enter and exit and to recycle and swing are formed in the circumference of the rotary cap 301, an outer hexagonal boss 307 for a spanner to pull and rotate is formed in the top surface of the rotary cap, a counter bore for the drum-shaped bearing 306 to be installed is formed in the lower portion of the rotary cap, the rotary cap 301 and the base 302 are installed and connected through the drum-shaped bearing 306, pin holes are respectively formed in two ends of the push rod 303, the rotary cap 301 and the push handle 304 are connected in series and matched through the pin shaft 305, a waist-shaped chute 308 is formed in the middle of the push rod 303, three equally-divided waist-shaped through holes for the push rod 303 to enter and exit are formed in the circumference of the base 302, pin holes are formed in the upper end surface of the base 302, and the pin shaft 305 is inserted into the pin holes and connected with the waist-shaped chute 308 in the middle of the push rod 303 in series;
the positioning and plugging mechanism 4 comprises a cutter handle body 401, a tooth-shaped positioning block 402 and an inner hexagon bolt 403, the cutter handle body 401 is of a taper shank structure, a cylindrical body is arranged at the front end of the cutter handle body, a waist-shaped groove is formed in the circumferential surface of the cutter handle body, a straight tooth surface is arranged on the outer surface of the tooth-shaped positioning block 402, the tooth-shaped positioning block 402 is in an arc shape, the tooth-shaped positioning block 402 is inlaid in the waist-shaped groove in the circumferential surface of the cutter handle body 401, and the inner hexagon bolt 403 is adopted between the lateral direction of the tooth-shaped positioning block 402 and the cutter handle body 401 for fastening.
Preferably, the push handle 304 is tile-shaped and swings along the circumferential surface under the drive of the rotary cap 301, the circumferential surface of the push handle 304 is provided with a kidney-shaped through hole, and the upper end surface is provided with a pin hole for connecting the push rod 303. The waist-shaped through holes on the circumferential surface of the push handle 304 provide a movable space at the end of the push rod 303, so that motion interference is avoided.
As shown in fig. 5, 6 and 7, the single-matching processing method of the tooth sleeve pin hole by using the tooth sleeve alignment positioning device comprises the following steps:
the method comprises the steps of firstly, placing the end face of a lower tooth sleeve 2 needing to be singly provided with a processing pin hole on a radial drilling machine platform upwards, leveling and clamping;
step two, the end face of the upper tooth sleeve 1 disassembled by the lower line is downwards overlapped on the end face of the lower tooth sleeve 2, and the end face lamination between the upper tooth sleeve 1 and the lower tooth sleeve 2 is ensured;
arranging a parallel heightening cushion block 12 in the lower gear sleeve 2, arranging a gear sleeve push rod centering mechanism 3 on the parallel heightening cushion block 12, enabling the gear sleeve push rod centering mechanism 3 to be positioned between the upper gear sleeve 1 and the lower gear sleeve 2, driving an outer hexagonal boss 307 by a wrench to enable a rotary cap 301 to rotate, enabling the rotary cap 301 to rotate so that a push rod 303 pushes out a push handle 304, enabling the push handle 304 to swing along the inner circumferential surfaces of the upper gear sleeve 1 and the lower gear sleeve 2, enabling the upper gear sleeve 1 and the lower gear sleeve 2 to be in the same circle center through the propping action of the push handle 304, and realizing centering of the upper gear sleeve 1 and the lower gear sleeve 2;
step four, mounting a cutter handle body 401 of a positioning plug-in mechanism 4 on a radial drilling machine spindle, rocking down and rotating the spindle to enable a tooth-shaped positioning block 402 of the positioning plug-in mechanism to face a V-shaped tooth surface of a lower tooth sleeve 2, lifting the radial drilling machine spindle, completely attaching the tooth-shaped positioning block 402 to the tooth surface of the lower tooth sleeve 2, pulling up a positioning self-locking mechanism of the radial drilling machine, and simultaneously rotating and locking the spindle; the upper tooth sleeve 1 is knocked properly or a round bar is inserted into an existing pin hole, the round bar is adopted to pry to enable the upper tooth sleeve 1 to slowly rotate, meanwhile, the radial drilling machine pulls up the main shaft to try to insert the tooth-shaped positioning block 402 into the V-shaped tooth surface of the upper tooth sleeve 1, and multiple differential attempts are carried out until the tooth-shaped positioning block 402 is completely meshed with the upper tooth sleeve 1 and the lower tooth sleeve 2;
fifthly, after the upper tooth sleeve 1 and the lower tooth sleeve 2 are completely positioned, a clamp pressing plate is adopted to place the clamp pressing plate on the step surface of the upper tooth sleeve 1, and the upper tooth sleeve 1 and the lower tooth sleeve 2 are fixed on a radial drilling machine platform;
step six, according to the pin hole diameter of the single matched processing required by the lower tooth sleeve 2, drilling, reaming, repairing and reaming are used as processing procedures, and a positioning stopper rod 7 and a drilling die sleeve 5 matched with the pin hole diameter are manufactured to be used as positioning tools for drilling and reaming; the method comprises the steps of carrying out a first treatment on the surface of the
Step seven, mounting the positioning stopper rod 7 on a radial drilling machine spindle, moving the radial drilling machine spindle to the existing pin hole position of the upper tooth sleeve 1, manually shaking down the spindle to enable the positioning stopper rod 7 to be slowly inserted into the pin hole 11 of the upper tooth sleeve 1, pulling up a radial drilling machine positioning self-locking mechanism, and locking the center position of the hole;
step eight, after the positioning and self-locking of the radial drilling machine are completed, the spindle of the radial drilling machine is retracted and lifted, the positioning stopper rod 7 is taken down, the drilling die sleeve 5 is plugged into the pin hole 11 of the upper tooth sleeve 1, the C-shaped clamp 6 is used for fixing the drilling die sleeve 5 and the upper tooth sleeve 1, and the drilling die sleeve 5 is prevented from falling out of the pin hole 11;
step nine, a cutting tool 8 is installed on a radial drilling machine spindle, and the spindle is rocked down to enable the cutting tool 8 to drill the lower tooth sleeve 2 downwards along the drilling die sleeve 5;
step ten, after the hole is drilled along the drill die sleeve 5, loosening the C-shaped clamp 6 on the drill die sleeve 5, and taking out the drill die sleeve 5;
step eleven, repeating the step seven to the step ten, and finishing the drilling processing of all pin holes on the lower tooth sleeve 2;
step twelve, replacing a reamer on a radial drilling machine spindle, and carrying out trimming and reaming processing on each drilling hole by the reamer along with the drilled position of the lower gear sleeve 2 by virtue of a self-centering function of a mechanical structure of the radial drilling machine;
thirteenth, replacing the reamer 9 for the machine on the spindle of the radial drilling machine, and reaming each pin hole of the lower gear sleeve 2 by the reamer 9 for the machine along with the original pin hole position of the upper gear sleeve 2 by means of the self-centering function of the mechanical structure of the radial drilling machine.
Preferably, in the third step, after the upper tooth sleeve 1 and the lower tooth sleeve 2 are centered, the lower tooth sleeve 2 is clamped and fixed by using a clamp plate.
Preferably, the cutter handle body 401, the positioning plug 7, the cutting tool 8, the reamer and the machine reamer 9 are respectively connected with a radial drilling spindle by adopting a long-length connecting drill sleeve 10.
Preferably, the drill jig sleeve 5 is made of Cr12 die steel through rough turning, semi-finish turning, quenching, surface hardness reaching HRC 55-60 and grinding of inner and outer circles by a grinding machine to ensure concentricity.
The tooth sleeve push rod centering mechanism in the device is used for pushing the upper tooth sleeve and the lower tooth sleeve to move to the same center, three push rods are arranged at equal intervals along the circumferential directions of the rotary cap 301 and the base 302, the rotary cap 301 is rotated and matched with three equally-divided open grooves formed in the rotary cap 301, three equally-divided waist-shaped through holes formed in the circumference of the base 302 realize radial expansion and contraction of the three push rods and swinging along the circumferential direction, and accordingly the upper tooth sleeve 1 and the lower tooth sleeve 2 are pushed to concentric positions. The positioning plug mechanism is arranged on the radial drilling machine spindle and plays a role in positioning tooth surfaces of the upper tooth sleeve and the lower tooth sleeve in the rotating direction, the outer circle of the drill jig sleeve applied by the method is of a boss structure, a through hole is formed in the drill jig sleeve, an inner hole of the drill jig sleeve is concentric with the outer circle, a hole opening is provided with a bevel chamfer, and the drill jig sleeve is used for providing hole position guiding and positioning services for drilling and reaming procedures.
The clamping mechanism is used for clamping and fixing the drilling die sleeve appropriately, so that the drilling die sleeve is prevented from being pulled out due to scrap iron in the drilling process. Based on the tooth sleeve structure and the actual use requirement, the method is preferably used by using a universal C-shaped clamp as a clamping mechanism.
The method adopts the positioning stopper rod to help the radial drilling machine to more accurately align the pin hole position of the upper gear sleeve before the primary drilling of the pin hole of the lower gear sleeve by using the cutting tool. The positioning stopper rod is made by additionally arranging a copper positioning shaft head with the diameter which is the same as or slightly smaller than 0.02mm of the pin hole of the tooth sleeve at the front end of the traditional taper shank, and the positioning shaft head is concentric with the taper shank.
Compared with the method that a cutting tool is used for directly initially drilling the pin hole in the pin hole single-matching processing, the method utilizes the drill die sleeve for centering and drilling, so that the centering and centering precision of the original pin hole position of the upper tooth sleeve is improved, better centering is provided for the cutting tool in the initial drilling process, and the damage to the surface of the positioning inner hole of the drill die sleeve in the initial drilling process can be effectively reduced.
In the aspect of processing tools, the method adopts a cutting tool, a reamer and a machine reamer, wherein the cutting tool is a twist drill for primary drilling of a pin hole, the reamer is used for reaming the hole after primary drilling and performing fine finishing and expanding, and the machine reamer is used for reaming the pin hole, so that final fine machining of the pin hole is realized.
The device and the method change the operation mode of single matching processing of the original tooth sleeve pin hole, basically realize the replacement of a mechanical device for people in the whole tooth sleeve alignment positioning adjustment process, and greatly shorten the alignment positioning adjustment time. The drilling is used for replacing boring in pin hole single-matching processing, so that the common drilling machine can replace a high-precision numerical control machine tool. The method is economical and practical, accurate in positioning and reliable in precision, and the deviation of the position degree and the aperture size of the pin hole which is processed by single matching is less than 0.025mm, so that the use requirements of the design and the process are met. The manual adjustment alignment positioning time can be greatly reduced by more than 85%, the whole adjustment alignment positioning process does not need detection and measurement cooperation of processing equipment, the production cost is greatly reduced, and the shutdown maintenance time of a rolling mill production line is shortened. When the device and the method are used for single processing of the pin holes of the tooth sleeves of the similar tooth couplings, the pin holes are not limited by processing equipment, and a manufacturer only having common processing equipment can realize processing and matching of the products, so that the device and the method have beneficial effects.
Claims (4)
1. A single-matching processing method of a tooth sleeve pin hole by using a tooth sleeve alignment positioning device comprises a tooth sleeve push rod centering mechanism and a positioning plug mechanism;
the tooth sleeve push rod centering mechanism comprises a rotary cap, a base, a push rod, a push handle, a pin shaft and a drum-shaped bearing, wherein three equally-divided open grooves for the push rod to enter and exit and to recycle and swing are formed in the circumference of the rotary cap, an outer hexagonal boss for a spanner to rotate is formed in the top surface of the rotary cap, a counter bore for the drum-shaped bearing to mount is formed in the lower portion of the rotary cap, the drum-shaped bearing is mounted and connected with the rotary cap and the base, pin holes are respectively formed in two ends of the push rod and are used for being connected with the rotary cap and the push handle in a series-connection mode through the pin shaft, a kidney-shaped chute is formed in the middle of the push rod, three equally-divided kidney-shaped through holes for the push rod to enter and exit are formed in the circumference of the base, a pin hole is formed in the end face of the upper portion of the base, and the pin shaft is inserted into the pin hole and connected with the kidney-shaped chute in the middle of the push rod in series;
the positioning and inserting mechanism comprises a cutter handle body, a tooth-shaped positioning block and an inner hexagon bolt, wherein the cutter handle body is of a taper shank structure, the front end of the cutter handle body is a cylinder, a waist-shaped groove is formed in the circumferential surface of the cutter handle body, a straight tooth surface is arranged on the outer surface of the tooth-shaped positioning block, the tooth top of the tooth-shaped positioning block is arc-shaped, the tooth-shaped positioning block is inlaid in the waist-shaped groove in the circumferential surface of the cutter handle body, and the inner hexagon bolt is used for fastening between the lateral direction of the tooth-shaped positioning block and the cutter handle body; the method is characterized by comprising the following steps:
step one, placing the end surface of a lower tooth sleeve needing to be singly provided with a processing pin hole on a radial drilling machine platform upwards, and leveling and clamping;
step two, the end face of the upper tooth sleeve disassembled by the lower line is downwards overlapped on the end face of the lower tooth sleeve, and the end face lamination between the upper tooth sleeve and the lower tooth sleeve is ensured;
arranging a parallel heightening cushion block in the lower gear sleeve, arranging a gear sleeve push rod centering mechanism on the parallel heightening cushion block, enabling the gear sleeve push rod centering mechanism to be positioned between the upper gear sleeve and the lower gear sleeve, driving an outer hexagonal boss to rotate a rotary cap by using a wrench, enabling the rotary cap to rotate, enabling a push rod to push out the push handle, enabling the push handle to swing along the inner circumferential surfaces of the upper gear sleeve and the lower gear sleeve, enabling the upper gear sleeve and the lower gear sleeve to be in the same circle center through the supporting action of the push handle, and realizing centering of the upper gear sleeve and the lower gear sleeve;
step four, mounting a cutter handle body of the positioning plug-in mechanism on a radial drilling machine spindle, rocking down and rotating the spindle to enable a tooth-shaped positioning block of the positioning plug-in mechanism to face a V-shaped tooth surface of a lower tooth sleeve, lifting the radial drilling machine spindle, completely attaching the tooth-shaped positioning block to the tooth surface of the lower tooth sleeve, pulling up a positioning self-locking mechanism of the radial drilling machine, and simultaneously rotating and locking the spindle; the upper tooth sleeve is knocked properly or a round bar is inserted into the existing pin hole, the round bar is adopted to pry to enable the upper tooth sleeve to slowly rotate, meanwhile, the radial drilling machine pulls up the main shaft to try to insert the tooth-shaped positioning block into the V-shaped tooth surface of the upper tooth sleeve, and multiple differential attempts are carried out until the tooth-shaped positioning block is completely meshed with the upper tooth sleeve and the lower tooth sleeve;
fifthly, after the upper tooth sleeve and the lower tooth sleeve are completely positioned, a clamp pressing plate is adopted to place the upper tooth sleeve on the step surface of the upper tooth sleeve, and the upper tooth sleeve and the lower tooth sleeve are fixed on a radial drilling machine platform;
step six, according to the pin hole diameter of the single matched processing required by the lower tooth sleeve, drilling, reaming, repairing and reaming are used as processing procedures, and a positioning stopper rod and a drilling die sleeve matched with the pin hole diameter are manufactured to be used as positioning tools for drilling and reaming;
step seven, mounting a positioning stopper rod on a radial drilling machine spindle, moving the radial drilling machine spindle to the position of an existing pin hole of an upper tooth sleeve, and manually shaking down the spindle to enable the positioning stopper rod to be slowly inserted into the pin hole of the upper tooth sleeve, pulling up a positioning self-locking mechanism of the radial drilling machine, and locking the center position of the hole;
step eight, after the positioning and self-locking of the radial drilling machine are completed, the spindle of the radial drilling machine is retracted and lifted, the positioning stopper rod is taken down, the drilling die sleeve is plugged into the pin hole of the upper tooth sleeve, and the C-shaped clamp is used for fixing the drilling die sleeve and the upper tooth sleeve, so that the drilling die sleeve is prevented from falling out of the pin hole;
step nine, mounting a cutting tool on a radial drilling machine spindle, and rocking down the spindle to enable the cutting tool to drill a lower tooth sleeve downwards along a drill jig sleeve;
step ten, after the hole is drilled along the drill die sleeve, loosening the C-shaped clamp on the drill die sleeve, and taking out the drill die sleeve;
step eleven, repeating the step seven to the step ten, and finishing the drilling processing of all pin holes on the lower tooth sleeve;
step twelve, replacing a reamer on a radial drilling machine spindle, and carrying out trimming and reaming processing on each drilled hole by the reamer along with the drilled hole position of the lower tooth sleeve by virtue of a self-centering function of a mechanical structure of the radial drilling machine;
thirteenth, replacing the reamer for the machine on the spindle of the radial drilling machine, and reaming each pin hole of the lower gear sleeve by the reamer for the machine along with the original pin hole position of the upper gear sleeve by means of the self-centering function of the mechanical structure of the radial drilling machine.
2. The method for machining the tooth sleeve pin hole singly according to claim 1, wherein the method comprises the following steps of: in the third step, after the centering of the upper tooth sleeve and the lower tooth sleeve is completed, the clamp pressing plate is adopted to clamp and fix the lower tooth sleeve.
3. The method for machining the tooth sleeve pin hole singly according to claim 1, wherein the method comprises the following steps of: the cutter handle body, the positioning stopper rod, the cutting tool, the reamer and the machine reamer are respectively connected with the radial drilling machine spindle by adopting the extension drill sleeve.
4. The method for machining the tooth sleeve pin hole singly according to claim 1, wherein the method comprises the following steps of: the drill jig sleeve is made of Cr12 die steel through rough turning, semi-finish turning, quenching, surface hardness reaching HRC 55-60 and grinding of inner and outer circles by a grinding machine to ensure concentricity.
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| CN202011050837.9A CN114310369B (en) | 2020-09-29 | 2020-09-29 | Pin hole single-matching processing method using tooth sleeve alignment positioning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB353675A (en) * | 1929-09-25 | 1931-07-30 | Detroit And Security Trust Com | Improvements in or relating to the grinding or lapping of gears |
| CN201974166U (en) * | 2010-12-23 | 2011-09-14 | 赣州群星机械有限公司 | Centring device for outer gear of gear sleeve detected by contourgraph |
| CN205950328U (en) * | 2016-08-23 | 2017-02-15 | 汉德车桥(株洲)齿轮有限公司 | It is integral to tooth pressure clamping utensil |
| CN107255029A (en) * | 2017-08-10 | 2017-10-17 | 中国矿业大学(北京) | The expanding inspection instrument for borehole camera centralising device of one kind rotation and application method |
| CN206583398U (en) * | 2017-03-17 | 2017-10-24 | 广西防城港核电有限公司 | Tooth covers shaft coupling centralising device |
| CN109676414A (en) * | 2019-01-29 | 2019-04-26 | 威海万丰镁业科技发展有限公司 | Automatic capturing positioning device |
| CN209737408U (en) * | 2019-03-05 | 2019-12-06 | 上海宝钢工业技术服务有限公司 | Quick positioning tool for inner and outer gear sleeves in gear coupling |
-
2020
- 2020-09-29 CN CN202011050837.9A patent/CN114310369B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB353675A (en) * | 1929-09-25 | 1931-07-30 | Detroit And Security Trust Com | Improvements in or relating to the grinding or lapping of gears |
| CN201974166U (en) * | 2010-12-23 | 2011-09-14 | 赣州群星机械有限公司 | Centring device for outer gear of gear sleeve detected by contourgraph |
| CN205950328U (en) * | 2016-08-23 | 2017-02-15 | 汉德车桥(株洲)齿轮有限公司 | It is integral to tooth pressure clamping utensil |
| CN206583398U (en) * | 2017-03-17 | 2017-10-24 | 广西防城港核电有限公司 | Tooth covers shaft coupling centralising device |
| CN107255029A (en) * | 2017-08-10 | 2017-10-17 | 中国矿业大学(北京) | The expanding inspection instrument for borehole camera centralising device of one kind rotation and application method |
| CN109676414A (en) * | 2019-01-29 | 2019-04-26 | 威海万丰镁业科技发展有限公司 | Automatic capturing positioning device |
| CN209737408U (en) * | 2019-03-05 | 2019-12-06 | 上海宝钢工业技术服务有限公司 | Quick positioning tool for inner and outer gear sleeves in gear coupling |
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| Publication number | Publication date |
|---|---|
| CN114310369A (en) | 2022-04-12 |
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