CN111014792A - Double-drill milling head pipe inner wall key groove machining device - Google Patents
Double-drill milling head pipe inner wall key groove machining device Download PDFInfo
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- CN111014792A CN111014792A CN201911272117.4A CN201911272117A CN111014792A CN 111014792 A CN111014792 A CN 111014792A CN 201911272117 A CN201911272117 A CN 201911272117A CN 111014792 A CN111014792 A CN 111014792A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/30—Milling straight grooves, e.g. keyways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/30—Milling straight grooves, e.g. keyways
- B23C3/305—Milling straight grooves, e.g. keyways in which more than one milling tool is used simultaneously, e.g. for sheet material
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Abstract
A double-drill milling head pipe inner wall key groove processing device belongs to the field of machining, and comprises a double-drill milling head device base; a drilling and milling head component bottom plate fixed at the front end of the base of the double-drilling and milling head device; the drilling and milling head component is fixed on the base plate of the drilling and milling head component; the three-phase asynchronous motor base is fixed on the base of the double-drill milling head device; the motor shaft of the three-phase asynchronous motor is connected with the drilling and milling head part through a coupler; two tool setting gauge brackets symmetrically fixed at two ends of the drilling and milling head component; and the two tool setting gauges are fixed on the two tool setting gauge supports in a one-to-one correspondence manner. In the invention, the power transmission adopts gear transmission, the rotating speed is stable during processing, the finish of the processing surface is high, and the service life of the cutter is prolonged. Meanwhile, the invention adopts two processing heads, can process two pipes in different directions, and solves the problem that the existing long, thick and heavy pipes are difficult to turn around.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a double-drill milling head pipe inner wall key groove machining device.
Background
At present, the power transmission of the existing keyways for processing the threads on the inner wall of the perforating gun barrel for oil logging is realized by a toothed belt pulley and a toothed belt. The existing keywating machine has the advantages of simple structure and low production cost. The defects of the method are as follows: the need to periodically replace worn toothed belts; in addition, when the toothed belt works under high load, the toothed belt can deform, so that the rotating speed of the rotary cutter is unstable, the processing smoothness is influenced, and the rotary milling cutter blade is easy to damage.
Disclosure of Invention
The invention provides a device for machining a key groove on the inner wall of a pipe with double drilling and milling heads, aiming at solving the problems that a toothed belt is easy to wear, the toothed belt is easy to deform to influence the machining smoothness and the blade is easy to damage in the existing key groove machine.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the invention relates to a double-drill milling head pipe inner wall keyway processing device, which comprises:
a base of the double-drill milling head device;
a drilling and milling head component bottom plate fixed at the front end of the base of the double-drilling and milling head device;
the drilling and milling head component is fixed on the base plate of the drilling and milling head component;
the three-phase asynchronous motor base is fixed on the base of the double-drill milling head device;
the motor shaft of the three-phase asynchronous motor is connected with the drilling and milling head part through a coupler;
two tool setting gauge brackets symmetrically fixed at two ends of the drilling and milling head component;
and the two tool setting gauges are fixed on the two tool setting gauge supports in a one-to-one correspondence manner.
Further, the drilling and milling head component comprises:
a front end cover;
the rear end cover is fixedly buckled with the front end cover;
two angular contact bearing glands which are arranged in threaded holes processed at the left end and the right end of the front end cover in a one-to-one correspondence manner;
one end of the driving gear is arranged in the center of the rear end cover, and the other end of the driving gear extends out of the rear end cover and is connected with a motor shaft of the three-phase asynchronous motor through a coupler;
the inner rings of the two third bearings are respectively sleeved and fixed on shaft rods at the front end and the rear end of the driving gear, the outer ring of the third bearing on the front end shaft rod is fixed in the front end cover, and the outer ring of the third bearing on the rear end shaft rod is fixed in the rear end cover;
the left side and the right side of the driving gear are respectively provided with four rotating gears;
the outermost sides of the left side and the outermost side of the driving gear are respectively provided with a cutter sleeve gear;
each rotating gear is provided with two first bearings, the inner rings of the two first bearings are respectively sleeved and fixed on shaft rods at the front end and the rear end of the rotating gear, the outer ring of the first bearing on the front end shaft rod is fixed in the front end cover, and the outer ring of the first bearing on the rear end shaft rod is fixed in the rear end cover;
each cutter sleeve gear is provided with a second bearing and a fourth bearing, the inner ring of the second bearing is sleeved and fixed on a shaft lever at the front end of the cutter sleeve gear, and the outer ring of the second bearing is fixed in the rear end cover; the inner ring of the fourth bearing is sleeved and fixed on a shaft lever at the rear end of the cutter sleeve gear, and the outer ring of the fourth bearing is fixed in the front end cover;
a cutter tensioning sleeve is assembled in each cutter sleeve gear shaft hole, the cutter tensioning sleeve is inserted into the cutter sleeve gear, a tail screw of the cutter tensioning sleeve is exposed out of the front end cover, and a cutter tensioning sleeve locking nut is screwed on the tail screw of the cutter tensioning sleeve;
and each cutter tensioning sleeve is provided with a drilling and milling cutter.
Furthermore, the driving gear rotates to be meshed with a first left rotating gear leftwards, the first left rotating gear is meshed with a second left rotating gear leftwards, the second left rotating gear is meshed with a third left rotating gear leftwards, the third left rotating gear is meshed with a fourth left rotating gear leftwards, the fourth left rotating gear is meshed with a leftmost cutter sleeve gear leftwards, the leftmost cutter sleeve gear rotates to drive a cutter tensioning sleeve assembled in the shaft hole to rotate, and the cutter tensioning sleeve rotates to drive a left drilling and milling cutter to rotate anticlockwise to perform cutting;
the driving gear rotates to be meshed with a first right rotating gear rightwards, the first right rotating gear is meshed with a second right rotating gear rightwards, the second right rotating gear is meshed with a third right rotating gear rightwards, the third right rotating gear is meshed with a fourth right rotating gear rightwards, the fourth right rotating gear is meshed with a leftmost cutter sleeve gear rightwards, the rightmost cutter sleeve gear rotates to drive a cutter tensioning sleeve assembled in a shaft hole to rotate, and the cutter tensioning sleeve rotates to drive a right drilling and milling cutter to rotate anticlockwise to perform cutting.
Furthermore, the other end of the driving gear extends out of the shaft rod of the rear end cover and is not in contact with the rear end cover, and friction is not generated.
Furthermore, the front end cover comprises a rectangular block and two semi-cylindrical supports, the two semi-cylindrical supports are respectively arranged on the upper sides of the left end and the right end of the rectangular block, a rectangular plane is arranged on the front surfaces of the two semi-cylindrical supports of the front end cover, a machining hole is formed in the center of the rectangular plane, a plurality of bearing mounting holes are formed in the rectangular block of the front end cover and the two semi-cylindrical supports of the front end cover, and the bearing mounting holes are transversely and sequentially arranged.
Furthermore, the two angular contact bearing glands are correspondingly mounted on the rectangular planes of the left and right semi-cylindrical supports of the front end cover one by one, and the angular contact bearing glands are screwed into the processing threaded holes of the rectangular planes.
Furthermore, the rear end cover comprises a rectangular block and two semi-cylindrical supports, the two semi-cylindrical supports are respectively fixed on the upper sides of the left end and the right end of the rectangular block, a mounting hole is formed in the center of the upper end of the rectangular block of the rear end cover, a plurality of bearing mounting holes are formed in the rectangular block of the rear end cover and the two semi-cylindrical supports, and the bearing mounting holes are transversely and sequentially arranged.
Furthermore, one end of the driving gear extends into the rear end cover through a mounting hole at the upper end of the rectangular block of the rear end cover, and a shaft lever at the other end of the driving gear extends out of the rear end cover and is connected with a motor shaft of the three-phase asynchronous motor through a coupler.
Furthermore, the modulus of the driving gear, the modulus of the rotating gear and the modulus of the cutter sleeve gear are all 2.
And the control system is electrically connected with the tool setting instrument and the three-phase asynchronous motor respectively, and controls the operation actions of the tool setting instrument and the three-phase asynchronous motor through the control system.
The invention has the beneficial effects that: the inner wall of the pipe is processed with the key groove, and due to the limitation of the conditions such as the inner diameter of the pipe, the length of the processed key groove and the like, the smaller the volume of the power head of the key groove machine is generally required to be, the better the power head of the key groove machine is, the smaller the power head of the key groove machine can extend into the pipe to process a small-diameter pipe, meanwhile, the higher the rigidity of the power head of the key groove machine is, the better the power head. The double-drill milling head pipe inner wall keyway machining device provided by the invention has the two characteristics, namely the volume is as small as possible under the condition that the rigidity is ensured to meet the requirement. The invention has smaller volume, can process a small-diameter pipe, has high rigidity, can prevent the vibration of the power head during processing from influencing the processing smoothness and prolongs the service life of the cutter.
In the invention, the power transmission adopts gear transmission, the rotating speed is stable during processing, the finish of the processing surface is high, and the service life of the cutter is prolonged. Meanwhile, the invention adopts two processing heads, can process two pipes in different directions, and solves the problem that the existing long, thick and heavy pipes are difficult to turn around.
Drawings
Fig. 1 is a schematic structural diagram of a double-drill milling head pipe inner wall keyway machining device.
Fig. 2 is a schematic structural diagram of a head drilling and milling part.
Fig. 3 is a schematic structural diagram of a head drilling and milling part.
Fig. 4 is a schematic structural diagram of the head drilling and milling part (the rear end cover is omitted).
Fig. 5 is a schematic structural diagram of the head assembly (the front end cover is omitted).
Fig. 6 is a schematic structural view of the front end cap.
Fig. 7 is a schematic structural view of the rear end cap.
In the figure, 1, a drilling and milling head component 101, a rear end cover 102, a front end cover 103, an angular contact bearing gland 104, a cutter tensioning sleeve locking nut 105, a driving gear 106, a cutter tensioning sleeve 107, a cutter sleeve gear 108, a bearing 6000ZZ 109, a bearing 7902AC 110, a rotating gear 111, a bearing 6902ZZ 112, a bearing 7901AC 2, a drilling and milling head component bottom plate 3, a tool setting gauge support 4, a tool setting gauge 5, a three-phase asynchronous motor base 6, a double-drilling and milling head device base 7, a three-phase asynchronous motor 8 and a coupler.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, the device for processing a keyway on the inner wall of a tube with two drilling and milling heads of the present invention mainly comprises: the device comprises a drilling and milling head part 1, a drilling and milling head part bottom plate 2, a tool setting gauge support 3, a tool setting gauge 4, a three-phase asynchronous motor base 5, a double-drilling and milling head device base 6, a three-phase asynchronous motor 7, a coupler 8 and a control system.
The drilling and milling head component bottom plate 2 is arranged at the foremost end of the upper surface of the double-drilling and milling head device base 6.
The drilling and milling head part 1 is arranged at the center of the upper surface of the drilling and milling head part base plate 2.
The three-phase asynchronous motor base 5 is arranged at the position which is slightly left from the center of the upper surface of the double-drill milling head device base 6.
The three-phase asynchronous motor 7 is arranged on the three-phase asynchronous motor base 5, and a motor shaft of the three-phase asynchronous motor 7 is arranged opposite to the drilling and milling head component 1. And a motor shaft of the three-phase asynchronous motor 7 is connected with the drilling and milling head component 1 through a coupler 8.
The two tool setting gauge brackets 3 are respectively arranged at two ends of the drilling and milling head component 1, and the two tool setting gauge brackets 3 are symmetrically arranged. Two tool setting appearance 4 one-to-one correspondence are installed on two tool setting appearance supports 3 to two tool setting appearance 4 symmetry installation.
As shown in fig. 2 to 5, the drilling and milling head part 1 mainly includes: the device comprises a drilling and milling cutter, a rear end cover 101, a front end cover 102, an angular contact bearing gland 103, a cutter tensioning sleeve locking nut 104, a driving gear 105, a cutter tensioning sleeve 106, a cutter sleeve gear 107, a first bearing 108, a second bearing 109, a rotating gear 110, a third bearing 111 and a fourth bearing 112.
The front end cap 102 and the rear end cap 101 are snap-fitted together, the front end cap 102 is located at the front end of the device, and the rear end cap 101 is located at the rear end of the device.
As shown in fig. 2, 4 and 6, the front cover 102 includes a rectangular block and two semi-cylindrical brackets at upper sides of left and right ends of the rectangular block, respectively. A rectangular plane is arranged on the front surface of each of the two semi-cylindrical supports of the front end cover 102, and a machining hole is arranged in the center of the rectangular plane. A plurality of bearing mounting holes are provided inside the rectangular block and the two semi-cylindrical brackets of the front end cover 102. The bearing mounting holes are transversely and sequentially arranged.
As shown in fig. 3, 5 and 7, the rear cover 101 includes a rectangular block and two semi-cylindrical brackets at upper sides of left and right ends of the rectangular block, respectively. A mounting hole is formed in the center of the upper end of the rectangular block of the rear end cover 101. A plurality of bearing mounting holes are provided inside the rectangular block and the two semi-cylindrical brackets of the rear end cover 102. The bearing mounting holes are transversely and sequentially arranged.
As shown in fig. 2, two angular contact bearing glands 103 are mounted on the rectangular plane of the left and right semi-cylindrical supports of the front end cover 102 in a one-to-one correspondence manner, a machining threaded hole is formed in the center of the rectangular plane, and the angular contact bearing glands 103 can be screwed into the machining threaded hole of the rectangular plane.
One end of the driving gear 105 extends into the rear end cover 101 through a mounting hole at the upper end of the rectangular block of the rear end cover 101, and a shaft rod at the other end of the driving gear 105 extends out of the rear end cover 101 and is connected with a motor shaft of the three-phase asynchronous motor 7 through a coupler 8. The shaft at the other end of the drive gear 105 is not in contact with the rear end cap 101 and no friction is generated.
The drilling and milling head component 1 is provided with 11 gears in total, wherein the number of the driving gears 105 is 1, the number of the rotating gears 110 is 8, and the number of the cutter sleeve gears 107 is 2. The module numbers of the driving gear 105, the rotating gear 110 and the cutter sleeve gear 107 are all 2.
The head drilling and milling part 1 is provided with 22 bearings, wherein the number of the third bearings 111 is 2, the number of the first bearings 108 is 16, the number of the second bearings 109 is 2, and the number of the fourth bearings 112 is 2.
The 8 rotating gears 110 are symmetrically distributed around the driving gear 105, i.e. 4 rotating gears 110 are located on the left side of the driving gear 105, and the other 4 rotating gears 110 are located on the right side of the driving gear 105.
The 2 cutter sleeve gears 107 are symmetrically distributed by taking the driving gear 105 as a center, namely, the 2 cutter sleeve gears 107 are respectively positioned at the left and right outermost sides of the driving gear 105.
All the cover is equipped with a bearing on the axostylus axostyle at both ends around every gear for every gear can the free rotation. Specifically, the method comprises the following steps:
as shown in fig. 4 and 5, the inner rings of 2 third bearings 111 are respectively fixed on the shaft rods at the front and rear ends of the driving gear 105 in a sleeved manner, wherein the outer ring of one third bearing 111 is fixed in the middle bearing mounting hole of the front end cover 102, and the outer ring of the other third bearing 111 is fixed in the middle bearing mounting hole of the rear end cover 101.
The 2 first bearings 108 are respectively fixed on the front and rear shaft rods of the same rotary gear 110 in a sleeved manner, wherein one first bearing 108 outer ring is fixed in the bearing mounting hole of the front end cover 102, and the other first bearing 108 outer ring is fixed in the bearing mounting hole of the rear end cover 101.
The inner ring of the second bearing 109 is sleeved and fixed on the shaft rod at the front end of the cutter sleeve gear 107, and the outer ring of the second bearing 109 is fixed in the bearing mounting hole of the rear end cover 101; the inner ring of the fourth bearing 112 is fixed on the shaft rod at the rear end of the cutter sleeve gear 107 in a sleeved mode, and the outer ring of the fourth bearing 112 is fixed in the bearing mounting hole of the front end cover 102.
A cutter tensioning sleeve 106 is arranged in the shaft hole of each cutter sleeve gear 107. The cutter tensioning sleeve 106 is inserted into the cutter sleeve gear 107, a screw at the tail part of the cutter tensioning sleeve 106 is exposed out of a processing threaded hole on the rectangular plane of the front end cover 102, and the cutter tensioning sleeve locking nut 104 is screwed on the screw at the tail part of the cutter tensioning sleeve 106.
The drill mill is mounted on a tool expansion sleeve 106. One drill-mill cutter is mounted on each tool expansion sleeve 106.
The control system is respectively and electrically connected with the tool setting gauge 4 and the three-phase asynchronous motor 7, and the control system controls the operation actions of the tool setting gauge 4 and the three-phase asynchronous motor 7.
In this embodiment, the control system mainly adopts a human-computer interface control system composed of a touch screen and a PLC, and the touch screen has the following model: 7 inch SMART700 brand: SIEMENS/SIEMENS. The controller model is as follows: s7-200 CPU 226CNPLC, brand: SIEMENS/SIEMENS.
In this embodiment, the tool setting gauge 4 is a CSM8SPB numerically controlled lathe tool setting gauge.
In the present embodiment, the three-phase asynchronous motor 7 is a 370W B3 series three-phase asynchronous motor.
In the present embodiment, the coupling 8 is an SFC-050DA2 coupling.
In this embodiment, 6000ZZ is used for the first bearing 108.
In this embodiment, 7902AC is used for the second bearing 109.
In the present embodiment, 6902ZZ is used for the third bearing 111.
In this embodiment, 7901AC is used as the fourth bearing 112.
The invention relates to a double-drill milling head pipe inner wall keyway processing device, which has the following working principle:
first, the three-phase asynchronous motor 7 starts to rotate clockwise after being powered on, and a motor shaft of the three-phase asynchronous motor 7 transmits power to the driving gear 105 through the coupling 8. Since the third bearings 111 are mounted at two ends of the driving gear 105, the driving gear 105 can rotate freely, and the module of 11 gears, namely the driving gear 105, the rotating gear 110 and the cutter sleeve gear 107, is 2, two adjacent gears can be meshed with each other to transmit the power of the rotation of the three-phase asynchronous motor 7. The driving gear 105 rotates to be meshed with a first left rotating gear 110 leftwards, the first left rotating gear 110 is meshed with a second left rotating gear 110 leftwards, the second left rotating gear 110 is meshed with a third left rotating gear 110 leftwards, the third left rotating gear 110 is meshed with a fourth left rotating gear 110 leftwards, the fourth left rotating gear 110 is meshed with a leftmost cutter sleeve gear 107 leftwards, the leftmost cutter sleeve gear 107 rotates to drive a cutter tensioning sleeve 106 assembled in a shaft hole to rotate, and the cutter tensioning sleeve 106 rotates to drive a left drilling and milling cutter to rotate anticlockwise for cutting.
Similarly, the driving gear 105 rotates to be meshed with the first right rotating gear 110 rightwards, the first right rotating gear 110 is meshed with the second right rotating gear 110 rightwards, the second right rotating gear 110 is meshed with the third right rotating gear 110 rightwards, the third right rotating gear 110 is meshed with the fourth right rotating gear 110 rightwards, the fourth right rotating gear 110 is meshed with the leftmost cutter sleeve gear 107 rightwards, the rightmost cutter sleeve gear 107 rotates to drive the cutter tensioning sleeve 106 assembled in the shaft hole to rotate, and the cutter tensioning sleeve 106 rotates to drive the right drilling and milling cutter to rotate anticlockwise for cutting.
The cutting depth determines the processing zero point by touching the contact switch on the tool setting gauge 4 with the inner wall of the processed pipe. The control system can calculate the cutting depth to be processed through the determined processing zero point, and further controls the three-phase asynchronous motor 7 to rotate so as to drive the two drilling and milling cutters to cut.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a two brill cutter head tubular product inner wall keyway processingequipment which characterized in that includes:
a base (6) of the double-drill milling head device;
a drilling and milling head component bottom plate (2) fixed at the front end of the double-drilling and milling head device base (6);
the drilling and milling head component (1) is fixed on the drilling and milling head component bottom plate (2);
a three-phase asynchronous motor base (5) fixed on the double-drill milling head device base (6);
the drilling and milling head component comprises a three-phase asynchronous motor (7) fixed on a three-phase asynchronous motor base (5), wherein a motor shaft of the three-phase asynchronous motor (7) is connected with a drilling and milling head component (1) through a coupler (8);
two tool setting gauge brackets (3) symmetrically fixed at two ends of the drilling and milling head component (1);
two tool setting gauges (4) fixed on the two tool setting gauge supports (3) in a one-to-one correspondence manner.
2. The double-milling-head tube inner wall keyway processing device according to claim 1, characterized in that the milling-head part (1) comprises:
a front end cap (102);
a rear end cover (101) which is buckled and fixed with the front end cover (102);
two angular contact bearing glands (103) which are arranged in threaded holes machined in the left end and the right end of the front end cover (102) in a one-to-one correspondence manner;
one end of a driving gear (105) arranged in the center of the rear end cover (101) extends into the rear end cover (101), and the other end of the driving gear extends out of the rear end cover (101) and is connected with a motor shaft of the three-phase asynchronous motor (7) through a coupler (8);
inner rings of the two third bearings (111) are respectively sleeved and fixed on shaft rods at the front end and the rear end of the driving gear (105), an outer ring of the third bearing (111) on the front end shaft rod is fixed in the front end cover (102), and an outer ring of the third bearing (111) on the rear end shaft rod is fixed in the rear end cover (101);
four rotating gears (110) are respectively arranged at the left side and the right side of the driving gear (105);
a cutter sleeve gear (107) is respectively arranged on the left and right outermost sides of the driving gear (105);
two first bearings (108) are mounted on each rotating gear (110), inner rings of the two first bearings (108) are respectively sleeved and fixed on shaft rods at the front end and the rear end of the rotating gear (110), outer rings of the first bearings (108) on the front end shaft rod are fixed in a front end cover (102), and outer rings of the first bearings (108) on the rear end shaft rod are fixed in a rear end cover (101);
each cutter sleeve gear (107) is provided with a second bearing (109) and a fourth bearing (112), the inner ring of the second bearing (109) is sleeved and fixed on the shaft lever at the front end of the cutter sleeve gear (107), and the outer ring is fixed in the rear end cover (101); the inner ring of a fourth bearing (112) is sleeved and fixed on a shaft lever at the rear end of a cutter sleeve gear (107), and the outer ring is fixed in a front end cover (102);
a cutter tensioning sleeve (106) is assembled in each shaft hole of the cutter sleeve gear (107), the cutter tensioning sleeve (106) is inserted into the cutter sleeve gear (107), a tail screw of the cutter tensioning sleeve (106) is exposed out of the front end cover (102), and a cutter tensioning sleeve locking nut (104) is screwed on the tail screw of the cutter tensioning sleeve (106);
each tool tensioning sleeve (106) is provided with a drill milling cutter.
3. The double-drill milling head pipe inner wall keyway processing device according to claim 2, characterized in that the driving gear (105) rotates to engage a left first rotating gear (110) leftwards, the left first rotating gear (110) engages a left second rotating gear (110) leftwards, the left second rotating gear (110) engages a left third rotating gear (110) leftwards, the left third rotating gear (110) engages a left fourth rotating gear (110) leftwards, the left fourth rotating gear (110) engages a leftmost cutter sleeve gear (107) leftwards, the leftmost cutter sleeve gear (107) rotates to drive a cutter tensioning sleeve (106) arranged in a shaft hole to rotate, and the cutter tensioning sleeve (106) rotates to drive the left drill milling cutter to rotate anticlockwise for cutting;
the driving gear (105) rotates to be meshed with a first right rotating gear (110) rightwards, the first right rotating gear (110) rightwards is meshed with a second right rotating gear (110), the second right rotating gear (110) rightwards is meshed with a third right rotating gear (110), the third right rotating gear (110) rightwards is meshed with a fourth right rotating gear (110), the fourth right rotating gear (110) rightwards is meshed with a leftmost cutter sleeve gear (107), the rightmost cutter sleeve gear (107) rotates to drive a cutter tensioning sleeve (106) assembled in a shaft hole to rotate, and the cutter tensioning sleeve (106) rotates to drive a right drilling and milling cutter to rotate anticlockwise to cut.
4. The double-drill milling head pipe inner wall keyway processing device according to claim 2, characterized in that the shaft rod of the other end of the driving gear (105) extending out of the rear end cover (101) is not in contact with the rear end cover (101) and generates no friction.
5. The double-drill milling head pipe inner wall keyway machining device according to claim 2, wherein the front end cover (102) comprises a rectangular block and two semi-cylindrical supports, the two semi-cylindrical supports are respectively arranged at the upper sides of the left end and the right end of the rectangular block, a rectangular plane is arranged on the front surfaces of the two semi-cylindrical supports of the front end cover (102), a machining hole is formed in the center of the rectangular plane, a plurality of bearing mounting holes are formed in the rectangular block and the two semi-cylindrical supports of the front end cover (102), and the bearing mounting holes are arranged in sequence in the transverse direction.
6. The double-drill milling head pipe inner wall keyway machining device is characterized in that the two angular contact bearing glands (103) are installed on the rectangular planes of the left semi-cylindrical bracket and the right semi-cylindrical bracket of the front end cover (102) in a one-to-one correspondence mode, and the angular contact bearing glands (103) are screwed into machining threaded holes of the rectangular planes.
7. The double-drill milling head pipe inner wall keyway processing device according to claim 2, wherein the rear end cover (101) comprises a rectangular block and two semi-cylindrical supports, the two semi-cylindrical supports are respectively arranged at the upper sides of the left end and the right end of the rectangular block, a mounting hole is formed in the center of the upper end of the rectangular block of the rear end cover (101), a plurality of bearing mounting holes are formed in the rectangular block of the rear end cover (102) and the two semi-cylindrical supports, and the bearing mounting holes are transversely arranged in sequence.
8. The double-drill milling head pipe inner wall keyway processing device according to claim 7, characterized in that one end of the driving gear (105) extends into the rear end cover (101) through a rectangular block upper end mounting hole of the rear end cover (101), and a shaft lever at the other end of the driving gear (105) extends out of the rear end cover (101) and is connected with a motor shaft of the three-phase asynchronous motor (7) through a coupling (8).
9. The double-drill milling head pipe inner wall keyway processing device according to claim 2, characterized in that the modulus of the driving gear (105), the rotating gear (110) and the cutter sleeve gear (107) are all 2.
10. The double-drill milling head pipe inner wall keyway processing device according to claim 2, characterized by further comprising a control system, wherein the control system is electrically connected with the tool setting gauge (4) and the three-phase asynchronous motor (7) respectively, and the control system controls the operation of the tool setting gauge (4) and the three-phase asynchronous motor (7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911272117.4A CN111014792B (en) | 2019-12-12 | 2019-12-12 | Double-drill milling head pipe inner wall key groove machining device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911272117.4A CN111014792B (en) | 2019-12-12 | 2019-12-12 | Double-drill milling head pipe inner wall key groove machining device |
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| CN111014792A true CN111014792A (en) | 2020-04-17 |
| CN111014792B CN111014792B (en) | 2020-12-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115007926A (en) * | 2022-07-01 | 2022-09-06 | 扎赉诺尔煤业有限责任公司 | Inner hole key groove machining device |
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| US3200492A (en) * | 1962-08-27 | 1965-08-17 | Giddings & Lewis | Multiple use machine with tool changer |
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| CN206732564U (en) * | 2017-05-10 | 2017-12-12 | 新昌县羽林街道达康机械厂 | A kind of machine automatization processing unit (plant) |
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| CN202622021U (en) * | 2012-06-05 | 2012-12-26 | 济宁力科液压有限责任公司 | Device for machining milling groove in hole |
| CN203599598U (en) * | 2013-11-22 | 2014-05-21 | 太仓威格玛机械设备有限公司 | Multi-head milling mechanism |
| CN204413252U (en) * | 2015-02-05 | 2015-06-24 | 济宁科尔森液压有限公司 | Milling groove craft equipment in hole |
| CN106141275A (en) * | 2015-04-28 | 2016-11-23 | 北京环鼎科技有限责任公司 | Z-shaped drilling and milling head |
| CN105414630A (en) * | 2015-11-23 | 2016-03-23 | 重庆荆江汽车半轴有限公司 | Processing device for key slots |
| CN206732564U (en) * | 2017-05-10 | 2017-12-12 | 新昌县羽林街道达康机械厂 | A kind of machine automatization processing unit (plant) |
| CN206677208U (en) * | 2017-05-11 | 2017-11-28 | 河南工程学院 | A kind of metallic mirror surface machining cutter head of angle adjustable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115007926A (en) * | 2022-07-01 | 2022-09-06 | 扎赉诺尔煤业有限责任公司 | Inner hole key groove machining device |
| CN115007926B (en) * | 2022-07-01 | 2023-08-08 | 扎赉诺尔煤业有限责任公司 | Inner hole key groove processing device |
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| CN111014792B (en) | 2020-12-08 |
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Denomination of invention: A Double Drilling and Milling Head Pipe Inner Wall Keyway Processing Device Effective date of registration: 20230921 Granted publication date: 20201208 Pledgee: China Everbright Bank Limited by Share Ltd. Changchun branch Pledgor: CHANGCHUN BEIXING LASER ENGINEERING TECHNOLOGY CO.,LTD. Registration number: Y2023220000094 |