CN116352148A

CN116352148A - Leg weld milling process and processing equipment thereof

Info

Publication number: CN116352148A
Application number: CN202310334251.2A
Authority: CN
Inventors: 蒋燎燎
Original assignee: Suzhou Danv Tools Co ltd
Current assignee: Suzhou Danv Tools Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-06-30

Abstract

The application discloses a leg milling welding line process and processing equipment thereof, and relates to the technical field of leg milling. A leg milling weld process comprising the steps of: positioning, namely, abutting inner V surfaces of a plurality of tooth legs to position; clamping, namely clamping the tail parts of a plurality of tooth legs simultaneously; milling, namely milling a welding line on the bit leg; and rotating, and simultaneously rotating a plurality of tooth legs and sequentially milling out welding seams. The application also discloses leg milling weld equipment. The processing efficiency of the bit leg can be improved.

Description

Leg weld milling process and processing equipment thereof

Technical Field

The application relates to the technical field of leg milling, in particular to a leg milling welding line process and processing equipment thereof.

Background

The roller bit is a drilling bit, which can be divided into single roller bit, tri-roller bit and multi-roller bit according to the number of roller bits, and currently, the tri-roller bit is commonly used. The manufacturing process of tri-cone drill bits mainly comprises processing of three bit legs and welding assembly of the three bit legs, wherein in order to facilitate the installation of the subsequent integral tri-cone drill bit after welding, two welding seams are usually milled on each bit leg for welding.

Referring to fig. 1, the related art discloses a bit leg 5, which includes a bit leg body 51 and a tail portion 52 disposed at one end of the bit leg body, wherein the bit leg body 51 has an inner V-surface 511 and an outer leg end 512 opposite to the inner V-surface 511, the inner V-surface 511 has a first mounting plane 5111 and a second mounting plane 5112 adjacent to each other, the first mounting plane 5111 and the second mounting plane 5112 are vertical planes, and an included angle between the first mounting plane 5111 and the second mounting plane 5112 is 120 °; to mill two welds on each leg 5, it is first necessary to place any leg 5 transversely on the clamping mechanism to be clamped, then mill two welds on that leg 5 with a milling machine, and then repeat the above operations continuously to complete the processing of three legs 5.

With respect to the related schemes in the above, the inventors consider that there are the following drawbacks: after milling a bit leg, the bit leg needs to be detached and then reinstalled to continue processing, which is time-consuming and labor-consuming and inefficient.

Disclosure of Invention

In order to improve the processing efficiency of the bit leg, the application provides a bit leg weld milling process and processing equipment thereof.

In a first aspect, the above object of the present invention is achieved by the following technical solutions:

a leg milling weld process comprising the steps of:

positioning, namely, abutting inner V surfaces of a plurality of tooth legs to position;

clamping, namely clamping the tail parts of a plurality of tooth legs simultaneously;

milling, namely milling a welding line on the bit leg;

and rotating, and simultaneously rotating a plurality of tooth legs and sequentially milling out welding seams.

Through adopting above-mentioned technical scheme, can support the interior V face of a plurality of bit legs and lean on to fix a position to after all being fixed a plurality of bit legs, can press from both sides the afterbody of a plurality of bit legs simultaneously, in the state that a plurality of bit legs are pressed from both sides tight, can mill out the welding seam on a plurality of bit legs in proper order, the machining process flow of this design can improve the machining efficiency of bit leg.

Preferably, in the clamping step, a plurality of bit legs are clamped at equal angles along the circumferential direction; in the milling step, a plurality of bit legs simultaneously rotate at equal angles along the circumferential direction, and at least two bit legs are simultaneously milled.

By adopting the technical scheme, each time a plurality of bit legs rotate for a certain angle, at least two bit legs can be milled simultaneously, so that the clamping bit legs can be milled relatively quickly and completely by repeated operation.

In a second aspect, the second object of the present invention is achieved by the following technical solutions:

a leg weld milling apparatus capable of performing the above-described leg weld milling process;

the leg milling weld equipment comprises

A mounting plate;

the round table plate is arranged at the top of the mounting plate and used for placing a plurality of bit legs, and can rotate on the mounting plate;

the positioning piece is arranged on the round platen and is used for enabling the plurality of bit legs to be positioned at equal angles along the circumferential direction;

the mounting plate is also provided with a driving mechanism for driving the round platen to rotate and a milling mechanism for milling the bit legs, and the round platen is also provided with a clamping mechanism capable of clamping a plurality of bit legs simultaneously.

Through adopting above-mentioned technical scheme, firstly need place a plurality of bit legs on the round platen to make a plurality of bit legs all support and lean on the setting element, then drive clamping mechanism simultaneously with a plurality of bit legs clamp, drive milling mechanism mills out the welding seam on with the bit leg this moment, after here welding seam mills to finish, drive driving mechanism makes round platform board rotate and then mill again, so constantly repeat the operation just can accomplish the comparatively quick milling of a plurality of bit legs, this design has improved the machining efficiency of bit leg.

Preferably, the locating piece is a Y-shaped locating rack, a plurality of locating areas are formed between the side wall surface of the Y-shaped locating rack and the upper end surface of the round platen along the circumferential direction, a first locating surface and a second locating surface adjacent to the first locating surface are arranged in each locating area on the locating rack, and the first locating surface and the second locating surface are used for locating the bit leg.

By adopting the technical scheme, the inner leg surface on the leg can be abutted against the first positioning surface and the second positioning surface to position the leg, and the plurality of positioning areas can position the plurality of legs together.

Preferably, the driving mechanism comprises a mounting frame body, the mounting frame body is erected on the mounting plate, a first driving piece is arranged on the mounting frame body, a second driving piece is arranged on the output end of the first driving piece, the first driving piece is used for driving the second driving piece to reciprocate in the vertical direction, a matching block is arranged on the output end of the second driving piece, a matching hole is formed in the top of the positioning piece, and the second driving piece is used for driving the matching block to be inserted into the matching hole so as to drive the round table plate to rotate.

Through adopting above-mentioned technical scheme, thereby drive first driving piece can drive second driving piece downstream and make the cooperation piece insert in the mating holes, drive second driving piece can make the cooperation piece rotate this moment, thereby the cooperation piece rotates and can drive the setting element rotation and realize the milling rotation of a plurality of bit legs.

Preferably, the clamping mechanism comprises a disc plate, the disc plate is located the round platform plate bottom, it supplies to open on the mounting panel the holding tank that the disc plate was put into, the disc plate is located in the holding tank, the disc plate can with round platform plate synchronous rotation, the disc plate is inside to open to have and link up to the inside cavity of round platform plate, be equipped with in the cavity with the coaxial gear of round platform plate, the gear with be equipped with a plurality of racks in proper order along the circumferencial direction between the disc plate, every rack all with gear cooperation, every the tip of rack all is equipped with the clamp block, every the clamp block all extends to one side of setting element, the gear is used for driving a plurality of racks simultaneous movement, thereby makes a plurality of the clamp block simultaneously to the direction motion of setting element.

Through adopting above-mentioned technical scheme, rotate the gear and can drive a plurality of racks simultaneous movement, a plurality of racks simultaneous movement can drive a plurality of clamping blocks and move to the direction that is close to or keeps away from the setting element simultaneously, and this design can realize the clamping action to a plurality of leg simultaneously.

Preferably, the rack is provided with a plurality of inclined grooves, the clamping block is provided with a plurality of inclined edges, the inclined edges are clamped in the inclined grooves, the round table plate is provided with a guide groove penetrating into the cavity, the clamping block is positioned in the guide groove, and the guide groove is used for guiding the moving direction of the clamping block.

By adopting the technical scheme, as the inclined edges are clamped in the inclined grooves, the rack can drive the clamping block to move towards the direction close to or far away from the positioning piece by the reciprocating movement of the rack.

Preferably, each rack is internally provided with a guide hole, each cavity is internally provided with a guide rod corresponding to each guide hole, and the guide rods are slidably arranged in the corresponding guide holes in a penetrating manner; any guide rod is in threaded connection with the corresponding guide hole, a driven bevel gear is arranged at the end part of the guide rod, a driving bevel gear is matched with the driven bevel gear, and a driving rod extending to the outside is arranged on the driving bevel gear.

Through adopting above-mentioned technical scheme, rotate the actuating lever and can drive the initiative bevel gear in proper order and rotate, driven bevel gear rotates and the guide bar rotates, and the guide bar rotates and can drive one of them rack and remove to drive gear rotation, gear rotation can drive remaining rack and remove this moment.

Preferably, the milling mechanism comprises a first moving part, the first moving part is arranged on the mounting plate and positioned on one side of the round table plate, a fixed plate is arranged at the output end of the first moving part, a second moving part is arranged on the fixed plate, the first moving part is used for driving the fixed plate to move so as to drive the second moving part to transversely reciprocate, a fixed frame is arranged at the output end of the second moving part, and the second moving part is used for driving the fixed frame to vertically reciprocate; at least two disc cutters are arranged on the fixing frame.

Through adopting above-mentioned technical scheme, at first need drive first moving part come to drive a plurality of disc knives and be close to the bit leg, then drive second driving part just can make a plurality of disc knives mill out a plurality of welding seams along vertical direction.

Preferably, the bottom of the circular truncated cone plate is provided with a plurality of accommodating parts along the circumferential direction, each accommodating part is internally provided with a rolling body, the mounting plate is provided with a ring groove, each accommodating part is positioned in the ring groove, the bottom of the rolling body is attached to the bottom in the ring groove, and a plurality of rolling bodies can help the circular truncated cone plate to rotate.

Through adopting above-mentioned technical scheme, a plurality of rolling bodies can help the rotation of round platen, and the rolling body can play certain supporting role to round platen simultaneously for the round platen is unlikely to too laminating mounting panel.

In summary, the present invention includes at least one of the following beneficial technical effects:

1. the inner V-shaped surfaces of the tooth legs can be used for propping and positioning, the tail parts of the tooth legs can be clamped simultaneously after the tooth legs are positioned, and welding seams can be continuously and sequentially milled under the state that the tooth legs are clamped, so that the processing efficiency of the tooth legs can be improved by the designed processing process flow;

2. firstly, a plurality of legs are required to be placed on a round platen, the legs are abutted against a positioning piece, then a clamping mechanism is driven to clamp the legs at the same time, a milling mechanism is driven to mill the legs to form a welding line, after the welding line is milled, a driving mechanism is driven to enable a round platform plate to rotate and then mill, and therefore the operations are repeated continuously, the legs can be milled rapidly, and the design improves the processing efficiency of the legs.

Drawings

FIG. 1 is a schematic diagram of the structure of a bit leg;

FIG. 2 is a schematic diagram of the overall structure of a leg weld milling apparatus according to an embodiment of the present application;

FIG. 3 is a schematic diagram of a leg weld apparatus according to an embodiment of the present application after the leg is installed;

FIG. 4 is a schematic diagram of a structure for embodying a positioning member;

FIG. 5 is a schematic diagram of a structure for embodying the structure within the cavity;

FIG. 6 is a schematic diagram of a structure for embodying a clamping mechanism;

FIG. 7 is a schematic diagram of a structure for embodying a milling mechanism;

FIG. 8 is an enlarged view of portion A of FIG. 2;

FIG. 9 is a schematic view of a configuration for embodying the circumferential band and the circumferential groove;

fig. 10 is a schematic view of a structure for embodying the hook and the receiving member.

The reference numerals in the drawings: 1. a mounting plate; 11. a round bedplate; 110. positioning an area; 111. an endless belt; 112. a guide groove; 113. a cutting region; 114. a receiving member; 1141. a rolling element; 12. a positioning piece; 121. a first positioning surface; 122. a second positioning surface; 123. a mating hole; 13. a receiving groove; 14. a ring groove; 15. circular ring grooves; 2. a driving mechanism; 21. a mounting frame body; 22. a first driving member; 23. a second driving member; 24. a mating block; 3. a milling mechanism; 31. a first moving member; 32. a fixing plate; 33. a second moving member; 34. a disc cutter; 4. a clamping mechanism; 41. a disc plate; 411. a cavity; 412. a clamping hook; 42. a gear; 43. a rack; 431. a chute; 432. a guide hole; 44. a clamping block; 441. oblique edges; 442. a rubber pad; 45. a guide rod; 46. a driven bevel gear; 47. a drive bevel gear; 48. a driving rod; 49. a turntable; 491. square countersunk holes; 5. leg portions; 51. a bit leg body; 511. an inner V-surface; 5111. a first mounting plane; 5112. a second mounting plane; 512. an outer palm end; 52. and a tail part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

The embodiment of the application discloses a welding line milling process for a bit leg. For improving the processing efficiency of the plurality of legs 5, three legs 5 are exemplified in the embodiment of the present application.

The leg weld milling process comprises the following steps:

positioning with first mounting plane 5111 and second mounting plane 5112 of leg 5 against and ensuring that all three legs 5 are positioned;

clamping, namely arranging three leg pieces 5 in sequence along the circumferential direction, and simultaneously applying force to tail parts 52 on the three leg pieces 5 to ensure that the three leg pieces 5 are clamped at equal angles along the circumferential direction;

milling, namely sequentially milling every two bit legs 5 until two welding seams are milled on each bit leg 5 in the three bit legs 5;

the implementation principle of the leg welding seam milling process in the embodiment of the application is as follows: by utilizing the first mounting plane 5111 and the second mounting plane 5112 of the leg 5 to abut and position, and after all three legs 5 are positioned, the tail 52 of the three legs 5 is simultaneously forced to clamp the three legs 5, and in the state that a plurality of legs 5 are clamped, milling is continuously performed on every two legs 5 until two welding seams are milled on every leg 5, so that the processing efficiency of the leg 5 can be improved by the designed process flow.

The embodiment of the application also discloses a bit leg weld milling device capable of realizing the bit leg weld milling process. For milling two welds on each leg 5 of the plurality of legs 5, three legs 5 continue to be used here as an example. Referring to fig. 2, the leg welding equipment comprises a mounting plate 1, wherein a round platen 11 is arranged on the mounting plate 1, and in combination with fig. 3, the top of the round platen 11 is used for placing three legs 5, and the round platen 11 can rotate on the mounting plate 1; a positioning piece 12 is arranged at the center of the top of the round platen 11, and the positioning piece 12 is used for enabling the three bit legs 5 to be positioned at equal angles along the circumferential direction; the mounting plate 1 is also provided with a driving mechanism 2 for driving the round platen 11 to rotate and a milling mechanism 3 capable of milling two bit legs 5 simultaneously, and the round platen 11 is also provided with a clamping mechanism 4 capable of clamping three bit legs 5 simultaneously.

Firstly, three leg pieces 5 are required to be placed on a round platform 11, the three leg pieces 5 are all abutted against a positioning piece 12, then a clamping mechanism 4 is driven to clamp the three leg pieces 5 at the same time, a milling mechanism 3 is driven to mill welding seams on the two leg pieces 5 to be milled, after the welding seams are milled, the round platform 11 is driven to rotate by a driving mechanism 2 and then milling is carried out, and thus the three leg pieces 5 can be milled more quickly by repeating the operations.

Referring to fig. 4, the positioning member 12 is a Y-shaped positioning frame, three positioning areas 110 are formed between a side wall surface of the Y-shaped positioning frame and an upper end surface of the circular truncated cone 11 along a circumferential direction, each positioning area 110 on the positioning member 12 is provided with a first positioning surface 121 and a second positioning surface 122 which are adjacent, the first positioning surface 121 and the second positioning surface 122 are perpendicular to a horizontal plane, a minimum included angle between the first positioning surface 121 and the second positioning surface 122 is 120 °, and in combination with fig. 1, the first positioning surface 121 is used for being attached to a first mounting plane 5111, the second positioning surface 122 is used for being attached to a second mounting plane 5112, and the first positioning surface 121 and the second positioning surface 122 are used for positioning the bit leg 5.

The positioning process of three legs 5 is the same, taking one of legs 5 as an example: first, the bit leg 5 needs to be placed in the positioning area 110, then the first positioning surface 121 is attached to the first mounting plane 5111, and the second positioning surface 122 is attached to the second mounting plane 5112, so that positioning can be completed.

Referring to fig. 4, the upper end surface of the positioning member 12 is provided with a downwardly non-penetrating fitting hole 123, the fitting hole 123 facilitates the insertion of a screw, and the positioning member 12 is mounted on the round platen 11 by the screw. When different sized legs 5 are to be milled, different sized retainers 12 can be replaced to ensure that three legs 5 are positioned.

Referring to fig. 3 and 4, the clamping mechanism 4 includes a disc plate 41, the disc plate 41 is disposed at a central position of a bottom end of the circular platen 11, the disc plate 41 and the circular platen 11 are integrated, the disc plate 41 can rotate synchronously with the circular platen 11, a containing groove 13 into which the disc plate 41 is placed is formed in the mounting plate 1, at this time, a lower end face of the circular platen 11 abuts against an upper end face of the mounting plate 1, and the disc plate 41 is located in the containing groove 13.

Referring to fig. 5 and 6, a cavity 411 penetrating into the circular truncated cone portion is formed in the disc plate 41, a gear 42 is arranged in the cavity 411, the gear 42 and the circular truncated cone plate 11 are coaxially arranged, the gear 42 can rotate, in order to clamp three tooth legs 5 simultaneously, three racks 43 are sequentially arranged between the gear 42 and the disc plate 41 along the circumferential direction, a through guide hole 432 is formed in each rack 43, a guide rod 45 is arranged in each guide hole 432 in a penetrating mode, each guide rod 45 is arranged in the cavity 411 in an erection mode through a fixing block, the guide rods 45 are used for guiding the moving direction of the racks 43, each rack 43 is matched with the gear 42, clamping blocks 44 used for clamping the tooth legs 5 are arranged on the upper end face of each rack 43, a plurality of inclined grooves 431 are formed in the clamping blocks 44, the inclined grooves 441 are clamped in the inclined grooves 431, in combination with fig. 3, guide grooves 112 penetrating into the cavity 411 are formed in the circular truncated cone plate 11 corresponding to each clamping block 44, and the clamping blocks 44 can move towards the direction of the clamping blocks 112, and the clamping blocks 112 can move towards the direction of the clamping blocks 112 or can move away from the clamping blocks 112. A rubber pad 442 is also provided on the clamping surface of the clamping block 44. The rubber pad 442 is used to protect the structure of the bit leg 5.

To clamp three legs 5 on the positioning member 12, the gear 42 needs to rotate clockwise, the gear 42 drives the three racks 43 to move simultaneously, and the three racks 43 move simultaneously to drive the three clamping blocks 44 to move towards the positioning member 12 through the cooperation of the inclined edges 441 and the inclined grooves 431, so that the three clamping blocks 44 can clamp three legs 5 simultaneously.

Referring to fig. 5 and 6, in order to facilitate the rotation of the gear 42, the leftmost rack 43 is in threaded connection with the matched guide rod 45, and the rack 43 can be laterally moved by rotating the guide rod 45; in order to facilitate the rotation of the guide rod 45, the end part of the guide rod 45 is also provided with a driven bevel gear 46 coaxial with the guide rod 45, a driving bevel gear 47 is matched with the driven bevel gear 46, the upper end surface of the driving bevel gear 47 is provided with a driving rod 48 extending upwards to the outside, the top of the driving rod 48 is fixedly provided with a rotary table 49, a movable arrangement is arranged between the driving rod 48 and the round table plate 11, a bearing for supporting the driving rod 48 is arranged between the driving rod 48 and the round table plate 11, the upper end surface of the rotary table 49 is provided with a square countersunk hole 491, and the square countersunk hole 491 can facilitate the screwing of the rotary table 49 by a tool.

To facilitate the rotation of the gear 42, the turntable 49 needs to be rotated, the turntable 49 rotates to drive the driving rod 48 to rotate, so that the driving bevel gear 47, the driven bevel gear 46 and the guiding rod 45 rotate, and then the guiding rod 45 rotates to drive the rack 43 matched with the driving bevel gear 47 to move, and the rack 43 moves to drive the gear 42 to rotate.

Referring to fig. 7, the milling mechanism 3 includes a first moving member 31, the first moving member 31 is an air cylinder, the first moving member 31 is disposed on the mounting plate 1 and located on the right side of the round platen 11, a fixing plate 32 is disposed on an output end of the first moving member 31, a second moving member 33 is fixedly disposed on the fixing plate 32, the second moving member 33 is also an air cylinder, the first moving member 31 is used for driving the fixing plate 32 to reciprocate transversely so as to make the second moving member 33 reciprocate transversely, a fixing frame is disposed on an output end of the second moving member 33, and the second moving member 33 is used for driving the fixing frame to move vertically. The fixing frame is provided with at least two disc cutters 34 for milling a welding seam, in this embodiment, the two disc cutters 34 are arranged in parallel and at the same height, the two disc cutters 34 to be driven to rotate can be motors, and the specific driving structure is the prior art, so that the description is omitted here.

To mill leg 5, first displacement member 31 is driven to bring two cutting disks 34 closer to leg 5, and second drive member 23 is driven to mill two welds from top to bottom along the vertical direction by two cutting disks 34.

Referring to fig. 7, specifically, a cutting area 113 is disposed between each two adjacent positioning areas 110, two cutting disks 34 can mill the positions to be milled on two adjacent legs 5 located in the same cutting area 113 at the same time, i.e. a weld seam can be milled on each of the two adjacent legs, and the two welding seams have the same length and are parallel due to the fact that the two cutting disks 34 are co-tall and are arranged in parallel.

Referring to fig. 8, the driving mechanism 2 includes a mounting frame body 21, the mounting frame body 21 is erected on the mounting plate 1, a first driving member 22 is provided on the mounting frame body 21, the first driving member 22 is a cylinder, a second driving member 23 is provided on an output end of the first driving member 22, the second driving member 23 is a rotary cylinder, the first driving member 22 is used for driving the second driving member 23 to reciprocate in a vertical direction, a matching block 24 for being inserted into a matching hole 123 is provided on an output end of the second driving member 23, and the second driving member 23 is used for driving the matching block 24 to be inserted into the matching hole 123, thereby driving the round platen 11 to rotate at a fixed angle of 120 °.

Referring to fig. 9 and 10, in order to ensure that the round platen 11 can rotate relative to the mounting plate 1, a plurality of accommodating elements 114 are fixedly arranged at the bottom of the round platen 11 along the circumferential direction, rolling elements 1141 are movably arranged in each accommodating element 114, a ring groove 14 is formed in the mounting plate 1, each accommodating element 114 is positioned in the ring groove 14, the bottom of each rolling element 1141 is attached to the inner bottom of the ring groove 14, and the plurality of rolling elements 1141 can assist in rotating the round platen 11. The bottom of the disc plate 41 is also provided with a plurality of hooks 412, the bottom surface of the accommodating groove 13 is provided with a circular groove 15, the circular groove 15 is internally provided with a girdle 111 for the hooks 412 to hook, and the girdle 111 is used for preventing the bottom of the rolling body 1141 from being separated from the bottom in the ring groove 14.

To enable the circular table 11 to rotate, the first driving piece 22 needs to be driven to drive the second driving piece 23 to move downwards so that the matching block 24 is inserted into the matching hole 123, then the second driving piece 23 is driven to enable the matching block 24 to rotate, the matching block 24 rotates to drive the circular table 11 to rotate, and then the two circular cutters 34 sequentially reach the three cutting areas 113, so that milling rotation of the two-pair tooth legs 5 is achieved.

The implementation principle of the leg welding seam milling process in the embodiment of the application is as follows: firstly, three bit legs 5 are required to be placed in three positioning areas 110 respectively, each bit leg 5 is abutted against a positioning piece 12 to finish positioning, then a tool is used for clockwise rotating a rotary disk 49 to enable a gear 42 to rotate along a pointer, at the moment, the gear 42 drives three clamping blocks 44 to move towards the positioning piece 12, the three clamping blocks 44 clamp the three bit legs 5 simultaneously, then a first moving piece 31 is required to drive two disc cutters 34 to reach a cutting area 113, then a second driving piece 23 is required to drive the two disc cutters 34 to mill two welding seams from top to bottom along the vertical direction, after milling is finished, the second driving piece 23 is driven to reset, then the first driving piece 22 is driven to drive the second driving piece 23 to move downwards so that a matching block 24 is inserted into a matching hole 123, the second driving piece 23 can enable the matching block 24 to rotate 120 degrees, the matching block 24 rotates to drive a round platen 11 to rotate, then the two disc cutters 34 can reach the three bit leg areas to mill two bit legs 5 sequentially repeatedly.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims

1. The process for milling the weld joint of the bit leg is characterized by comprising the following steps of:

milling, namely milling a welding line on the bit leg;

2. The leg weld milling process as claimed in claim 1 wherein: in the clamping step, a plurality of tooth legs are clamped at equal angles along the circumferential direction; in the milling step, a plurality of bit legs simultaneously rotate at equal angles along the circumferential direction, and at least two bit legs are simultaneously milled.

3. The utility model provides a leg mills welding seam equipment which characterized in that: the leg milling weld equipment is capable of performing the leg milling weld process of any one of claims 1-2;

the leg milling weld equipment comprises

A mounting plate (1);

the round table plate (11) is arranged at the top of the mounting plate (1) and is used for placing a plurality of tooth legs, and the round table plate (11) can rotate on the mounting plate (1);

the positioning piece (12) is arranged on the round platform plate (11), and the positioning piece (12) is used for enabling a plurality of tooth legs to be positioned at equal angles along the circumferential direction;

the mounting plate (1) is also provided with a driving mechanism (2) for driving the round platen (11) to rotate and a milling mechanism (3) for milling the tooth legs, and the round platen (11) is also provided with a clamping mechanism (4) capable of clamping a plurality of tooth legs simultaneously.

4. The leg mill weld apparatus of claim 3, wherein: the locating piece (12) is a Y-shaped locating rack, a plurality of locating areas (110) are formed between the side wall surface of the Y-shaped locating rack and the upper end surface of the round platform plate (11) along the circumferential direction, a first locating surface (121) and a second locating surface (122) adjacent to the first locating surface (121) are arranged in each locating area (110) on the locating rack, and the first locating surface (121) and the second locating surface (122) are used for locating the bit leg.

5. The leg mill weld apparatus of claim 4, wherein: the driving mechanism (2) comprises a mounting frame body (21), the mounting frame body (21) is erected on the mounting plate (1), a first driving piece (22) is arranged on the mounting frame body (21), a second driving piece (23) is arranged at the output end of the first driving piece (22), the first driving piece (22) is used for driving the second driving piece (23) to reciprocate in the vertical direction, a matching block (24) is arranged at the output end of the second driving piece (23), a matching hole (123) is formed in the top of the positioning piece (12), and the second driving piece (23) is used for driving the matching block (24) to be inserted into the matching hole (123) so as to drive the round table plate (11) to rotate.

6. The leg mill weld apparatus of claim 3, wherein: clamping mechanism (4) are including disc board (41), disc board (41) are located round platform board (11) bottom, it has the confession to open on mounting panel (1) round platform board (41) put into holding tank (13), disc board (41) are located in holding tank (13), disc board (41) can with round platform board (11) synchronous rotation, disc board (41) are inside to open has cavity (411) that link up to round platform board (11) inside, be equipped with in cavity (411) with round platform board (11) coaxial gear (42), gear (42) with be equipped with a plurality of racks (43) in proper order along the circumferencial direction between disc board (41), each rack (43) all with gear (42) cooperation, each rack (43) tip all is equipped with clamp block (44), each clamp block (44) all extends to one side of setting element (12), gear (42) are used for driving a plurality of racks (43) simultaneously so that clamp block (44) move to a plurality of simultaneously the setting element (12) simultaneously.

7. The leg mill weld apparatus of claim 6, wherein: be equipped with a plurality of chute (431) on rack (43), be equipped with a plurality of oblique arris (441) on clamping piece (44), oblique arris (441) card is in chute (431), open on round platform board (11) have link up extremely guide slot (112) in cavity (411), clamping piece (44) are located in guide slot (112), guide slot (112) are used for to the direction of movement of clamping piece (44) is led thereby makes clamping piece (44) are close to or keep away from the direction motion of setting element (12).

8. The leg mill weld apparatus of claim 6, wherein: a guide hole (432) is formed in each rack (43), a guide rod (45) is arranged in each cavity (411) corresponding to each guide hole (432), and the guide rods (45) are arranged in the corresponding guide holes (432) in a sliding penetrating mode; any guide rod (45) is in threaded connection with the corresponding guide hole (432), a driven bevel gear (46) is arranged at the end part of the guide rod (45), a drive bevel gear (47) is matched with the driven bevel gear (46), and a driving rod (48) extending to the outside is arranged on the drive bevel gear (47).

9. The leg mill weld apparatus of claim 3, wherein: the milling mechanism (3) comprises a first moving part (31), the first moving part (31) is arranged on the mounting plate (1) and positioned on one side of the round table plate (11), a fixed plate (32) is arranged at the output end of the first moving part (31), a second moving part (33) is arranged on the fixed plate (32), the first moving part (31) is used for driving the fixed plate (32) to move so as to drive the second moving part (33) to transversely reciprocate, a fixed frame is arranged at the output end of the second moving part (33), and the second moving part (33) is used for driving the fixed frame to move in the vertical direction; at least two circular cutters (34) are arranged on the fixing frame.

10. The leg mill weld apparatus of claim 3, wherein: the round platform board (11) bottom is equipped with a plurality of holding parts (114) along the circumferencial direction, every hold and all be equipped with rolling element (1141) in holding part (114), it has annular (14) to open on mounting panel (1), every hold and all be located in annular (14) just rolling element (1141) bottom with laminating in annular (14) a plurality of rolling element (1141) can help round platform board (11) rotate.