CN215614819U - Drilling rod material feeding unit with adjustable straightness - Google Patents

Drilling rod material feeding unit with adjustable straightness Download PDF

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Publication number
CN215614819U
CN215614819U CN202121949120.8U CN202121949120U CN215614819U CN 215614819 U CN215614819 U CN 215614819U CN 202121949120 U CN202121949120 U CN 202121949120U CN 215614819 U CN215614819 U CN 215614819U
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China
Prior art keywords
support
drill rod
clamping jaw
clamping
straightness
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CN202121949120.8U
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Chinese (zh)
Inventor
周中吉
石晔
杨晓刚
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Jiangsu Shuangma Drilling Tools Co ltd
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Jiangsu Shuangma Drilling Tools Co ltd
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Abstract

The application relates to a straightness-adjustable drill rod feeding device which comprises an axial feeding mechanism, and the straightness-adjustable drill rod feeding device structurally comprises a movable support, wherein longitudinal guide rails are respectively arranged on the upper surfaces of two sides of the movable support and are consistent with the axial feeding direction of a drill rod, a clamping jaw support and a middle V-shaped frame which slide along the longitudinal guide rails are arranged on the longitudinal guide rails, and a clamping mechanism for clamping the drill rod is arranged in the clamping jaw support; the driving gear is installed on the clamping jaw support, the long rack is installed on the inner side face of the movable support and is in meshing transmission with the driving gear to drive the clamping jaw support to move along the longitudinal guide rail, and axial feeding of a drill rod is achieved; the lifting mechanism comprises a fixed support, a jacking driving piece used for jacking the movable support is installed at the top of the fixed support, and the fixed support is movably connected with the movable support through a connecting rod mechanism. The automatic feeding device is suitable for automatic feeding of drill rod thickening processes of different specifications and sizes, reduces labor intensity and improves feeding efficiency.

Description

Drilling rod material feeding unit with adjustable straightness
Technical Field
The application relates to the technical field of automatic feeding devices, in particular to a drilling rod feeding device with adjustable straightness.
Background
Before the drill rod is thickened, the drill rod with the heated end part needs to be manually carried to a press machine and axially moved to a thickening position, and meanwhile, the drill rod is large in length and diameter specification, so that the operation environment is poor, the labor intensity is high, the efficiency is low and the like. With the continuous development and improvement of industrial automation, in order to realize automation and unmanned operation, it is necessary to research an automatic feeding device for drilling rod processing so as to solve the problems of poor environment, high labor intensity, low efficiency and the like of manual carrying operation.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, this application provides a drilling rod material feeding unit with adjustable straightness, can solve drilling rod and add the technical problem that drilling rod pay-off is inefficient in thick technology, can realize different specification and dimension drilling rod autoloading.
The technical scheme adopted by the application is as follows:
a straightness-adjustable drill rod feeding device comprises an axial feeding mechanism, and the straightness-adjustable drill rod feeding device structurally comprises a moving support, wherein longitudinal guide rails are respectively arranged on the upper surfaces of two sides of the moving support and are consistent with the axial feeding direction of a drill rod, a clamping jaw support sliding along the longitudinal guide rails and at least one middle V-shaped frame are arranged on the longitudinal guide rails, a clamping mechanism is arranged in the clamping jaw support and is used for clamping the drill rod, and the clamping mechanism is matched with the middle V-shaped frame to axially support the drill rod; the clamping jaw support is provided with a driving gear, and the inner side surface of the movable support is provided with a long rack which is in meshing transmission with the driving gear, so that the clamping jaw support moves along the longitudinal guide rail to realize axial feeding of the drill rod;
the lifting mechanism comprises a fixed support, the top of the fixed support is provided with a jacking driving piece for jacking the movable support, and the fixed support is movably connected with the movable support through a connecting rod mechanism to keep balance when the movable support is lifted.
The further technical scheme is as follows:
the clamping mechanism structurally comprises clamping jaws which are symmetrically arranged, each clamping jaw is connected with a driving cylinder through a connecting frame, the side faces of the two connecting frames are connected with a short rack respectively, a driven gear is mounted on a bottom plate of the clamping jaw support through a gear frame and a wheel shaft, and the upper side and the lower side of the driven gear are meshed with the two short racks respectively.
And the bottom plate of the clamping jaw support is also provided with a transverse guide rail, and the two connecting frames are respectively connected with the transverse guide rail in a sliding manner, so that the clamping jaw clamps or loosens the drill rod along the direction vertical to the axial direction.
The middle V-shaped frames are at least two and are respectively positioned at two sides of the clamping jaw support, two sides of the bottom of the clamping jaw support are respectively provided with a first driving motor, and output shafts of the first driving motors are respectively connected with the middle V-shaped frames through a lead screw and a sliding block screwed with the lead screw; and a V-shaped groove for placing a drill rod is formed in the top end of the middle V-shaped frame.
The movable support is characterized in that one end of the movable support is fixedly connected with an end V-shaped frame, the other end of the movable support is fixedly connected with a photoelectric sensor, the end V-shaped frame, the middle V-shaped frame and the clamping mechanism are located on the same axis, and two rollers which are arranged in a V shape are arranged at the top end of the end V-shaped frame.
And a second driving motor is further arranged at the bottom of the clamping jaw support, and an output shaft of the second driving motor is connected with the driving gear.
The connecting rod mechanism structurally comprises a rotating shaft, a shifting rod, a short connecting rod and a long connecting rod; the rotating shafts are arranged at the front end and the rear end of the fixed support through bearing seats, two ends of each rotating shaft are respectively connected with one shifting lever, the long connecting rods are symmetrically distributed at two sides of the fixed support, and each long connecting rod is used for connecting the shifting levers at two ends of the fixed support into a whole; the driving lever is provided with two lever bodies, one end of one lever body is rotatably connected with the long connecting rod, one end of the other lever body is rotatably connected with one end of the short connecting rod, and the other end of the short connecting rod is rotatably connected with the movable support.
The jacking driving part adopts stepping cylinders which are distributed at four corners of the top surface of the fixed support and used for keeping the stress balance of the movable support during jacking.
And the movable support is provided with limiting blocks at two ends of the longitudinal guide rail respectively, and the limiting blocks are used for limiting the position of the middle V-shaped frame.
The beneficial effect of this application is as follows:
according to the automatic feeding device, the automatic feeding of the drill rod thickening process is realized through the axial feeding mechanism, and the distance between the middle V-shaped frame and the clamping jaw support is adjusted through the lead screw transmission mechanism before feeding, so that the drill rod is reasonably distributed along the axial supporting point, and the drill rod is prevented from being bent.
This application is applicable to different specification and dimension drilling rods through axial feed mechanism, and the flexibility is high.
The clamping mechanism of this application realizes the synchronous displacement of clamping jaw through two short racks and driven gear synchromesh, prevents the drilling rod skew, guarantees the straightness of drilling rod axis.
The lifting mechanism facilitates upward feeding of the drill rod and ensures stable lifting through the connecting rod mechanism.
The feeding method has no requirement on the initial feeding position of the drill rod, the end position of the drill rod is adjusted through the axial movement of the clamping jaw support after feeding, the automatic butt joint with a machining station on a forging press is met, and the feeding method is convenient to operate and high in efficiency.
Drawings
Fig. 1 is a schematic perspective view of the present application.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is another view of fig. 1.
Fig. 4 is an enlarged view of a portion B in fig. 3.
Fig. 5 is a front view of the working state of the present application.
In the figure: 1. a longitudinal guide rail; 2. a long rack; 3. a jaw support; 4. a first drive motor; 5. a middle V-shaped frame; 6. a lead screw; 7. a limiting block; 8. a photosensor; 9. fixing a bracket; 10. moving the support; 11. an end V-shaped frame; 12. a deflector rod; 13. a bearing seat; 14. a rotating shaft; 15. a stepping cylinder; 16. a short connecting rod; 17. a long connecting rod; 18. a driving cylinder; 19. a connecting frame; 20. a clamping jaw; 21. a short rack; 22. a transverse guide rail; 23. a driven gear; 24. a gear carrier; 25. a drill stem; 26. a drive gear; 27. a second drive motor.
Detailed Description
The following description of the embodiments of the present application refers to the accompanying drawings.
The straightness-adjustable drill rod feeding device comprises an axial feeding mechanism as shown in fig. 1, and the straightness-adjustable drill rod feeding device structurally comprises a movable support 10, wherein longitudinal guide rails 1 are respectively arranged on the upper surfaces of two sides of the movable support, the longitudinal guide rails are consistent with the axial feeding direction of a drill rod in a working state, a clamping jaw support 3 sliding along the longitudinal guide rails and at least one middle V-shaped frame 5 are arranged on the longitudinal guide rails 1, a clamping mechanism is arranged in the clamping jaw support 3 and used for clamping the drill rod, and the clamping mechanism is matched with the middle V-shaped frame 5 to support the drill rod along the axial direction;
as shown in fig. 3 and 4, a driving gear 26 is mounted on the jaw support 3, and a long rack 2 is mounted on the inner side surface of the movable support 10, and is in meshing transmission with the driving gear 26 to drive the jaw support 3 to move along the longitudinal guide rail 1, so that the axial feeding of a drill rod is realized;
the lifting mechanism comprises a fixed support 9, a jacking driving piece used for jacking the movable support 10 is installed at the top of the fixed support 9, and the fixed support 9 is movably connected with the movable support 10 through a connecting rod mechanism, so that the movable support 10 is kept balanced during lifting.
In the above embodiment, as shown in fig. 2, the structure of the clamping mechanism includes symmetrically arranged clamping jaws 20, each clamping jaw 20 is connected with a driving cylinder 18 through a connecting frame 19, the side surfaces of the two connecting frames 19 are connected with a short rack 21, respectively, the bottom plate of the clamping jaw support 3 is provided with a driven gear 23 through a gear frame 24 and a wheel axle, and the upper side and the lower side of the driven gear 23 are respectively engaged with the two short racks 21.
Specifically, the two clamping jaws 20 and the corresponding connecting frames 19 are symmetrically arranged, and the driven gear 23 is arranged at the position of the symmetrical central shaft through a gear frame 24 and is close to one side where the short rack 21 is arranged; short racks 21 are respectively provided on an upper side of one of the link frames 19 and a lower side of the other link frame 19 while being engaged with the driven gear 23.
The bottom plate of the clamping jaw bracket 3 is also provided with a transverse guide rail 22, and the two connecting frames 19 are respectively connected with the transverse guide rail 22 in a sliding way, so that the clamping jaws 20 clamp or loosen the drill rod along the direction vertical to the axial direction.
In the above embodiment, as a preferred form, at least two middle V-shaped frames 5 are provided and are respectively located at two sides of the jaw support 3, first driving motors 4 are respectively installed at two sides of the bottom of the jaw support 3, output shafts of the first driving motors 4 are respectively connected with the middle V-shaped frames 5 through a screw rod 6 and a sliding block screwed with the screw rod, and a V-shaped groove for placing a drill rod is formed in the top end of each middle V-shaped frame 5.
Specifically, two first driving motors 4 adopt gear motors, the lead screws 6 connected with the two first driving motors are respectively driven to rotate, the two lead screws 6 respectively extend along the reverse directions of the clamping jaw supports 3, the two lead screws 6 are respectively connected with the two middle V-shaped frames 5 through nuts screwed on the two lead screws, and according to the length specification of a drill rod to be fed, the two first driving motors 4 adjust the distances between the two middle V-shaped frames 5 and the clamping jaw supports 3 according to set parameters, so that the distances between the middle V-shaped frames 5 and the clamping jaw supports 3 and between the two middle V-shaped frames 5 are matched with corresponding drill rods, and the supporting point of the drill rod is optimal.
The working principle of the clamping mechanism is as follows:
placing the drill rod 25 which is processed in the previous working procedure and is shown in the figure 5 on the two middle V-shaped frames 5 and between the two clamping jaws 20 of the clamping mechanism, simultaneously starting the two driving cylinders 18, and synchronously pushing the clamping jaws 20 to move oppositely so as to clamp the drill rod 25; wherein, connect respectively with the short rack 21 on two link span 19, gear rack 24 is fixed in the bottom plate centre of the holding jaw support 3, and driven gear 23, its concrete can adopt helical gear structure is installed through the wheel axle on gear rack 24, and two corresponding short racks 21 can adopt the oblique rack form.
By determining the accurate gear ratio, the two clamping jaws 20 are kept synchronous and move the same distance in the clamping process, and the clamped drill rod 25 is prevented from being bent due to center deviation. Therefore, the clamping mechanism of the application realizes synchronous movement of the two clamping jaws 20 and prevents the drill rod axis from deviating by the arrangement of the transmission structure in which the two short racks 21 and the driven gear 23 are meshed and connected at the same time.
In the above embodiment, the bottom of the clamping jaw support 3 is further provided with a second driving motor 27, and the output end of the second driving motor is in transmission connection with the driving gear 26. Specifically, the second driving motor 27 is fixedly connected with the jaw support 3 through the mounting bracket, the second driving motor 27 adopts a speed reduction motor, and during operation, the second driving motor 27 drives the driving gear 26, which drives the jaw support 3 to move through meshing with the long rack 2.
In the above embodiment, one end of the movable support 10 is fixedly connected with the end V-shaped frame 11, the other end of the movable support is fixedly connected with the photoelectric sensor 8, the end V-shaped frame 11, the middle V-shaped frame 5 and the clamping mechanism are located on the same axis, and two rollers arranged in a V shape are arranged at the top end of the end V-shaped frame 11. The end part V-shaped frame 11 and the two middle V-shaped frames 5 respectively support the end part and the middle part of the drill rod.
The link mechanism structurally comprises a rotating shaft 14, a shifting lever 12, a short connecting rod 16 and a long connecting rod 17; the rotating shafts 14 are arranged at the front end and the rear end of the fixed support 9 through bearing blocks 13, two ends of each rotating shaft 14 are respectively connected with a driving lever 12, the long connecting rods 17 are symmetrically distributed at two sides of the fixed support 9, and each long connecting rod 17 is used for connecting the driving levers 12 at two ends of the fixed support 9 into a whole; the shift lever 12 has two lever bodies, one end of one of the lever bodies is rotatably connected to the long link 17, one end of the other lever body is rotatably connected to one end of the short link 16, and the other end of the short link 16 is rotatably connected to the movable bracket 10.
Specifically, the jacking driving part adopts a stepping cylinder 15 which is arranged at the four corners of the top surface of the fixed support 9, so that the stress balance of the movable support 10 in the jacking process is ensured.
In the above embodiment, the two ends of the longitudinal guide rail 1 on the movable bracket 10 are respectively provided with the limiting blocks 7, and the limiting blocks 7 are used for limiting the position of the middle V-shaped frame 5.
The feeding method of the straightness-adjustable drill rod feeding device comprises the following steps:
adjusting an axial supporting point: according to the length of the drill rod, the distance between the middle V-shaped frame 5 and the clamping jaw support 3 is adjusted through two first driving motors 4 and corresponding lead screws 6, so that the supporting point is adjusted to the optimal position, and the drill rod is prevented from being bent;
clamping the drill rod: keeping the distance between the middle V-shaped frame 5 and the clamping jaw support 3 unchanged, starting a clamping mechanism, clamping the drill rod by using the clamping jaws 20, and simultaneously meshing the short racks 21 connected on the two connecting frames 19 with the driven gear 23 in the clamping process to ensure the motion synchronism of the two clamping jaws 20 and ensure that the axes are in the central position to prevent deviation;
adjusting the axial position of the drill rod: keeping the distance between the middle V-shaped frame 5 and the clamping jaw support 3 unchanged, driving the clamping jaw support 3 and the drill rod to move axially through the meshing transmission of a second driving motor 27 and the long rack 2 through a driving gear 26, and detecting the front end position of the drill rod by using a photoelectric sensor 8 to enable the front end position of the drill rod to reach a preset positioning point at the front end of the forging press;
lifting the drill rod: and starting the four stepping cylinders 15 arranged on the fixed support 9 to push the movable support 10 to move upwards so as to position the corresponding center height of the drill rod. The movable support 10 moves upwards, the driving lever 12 is driven to rotate through the short connecting rod 16 and the long connecting rod 17, the front end, the rear end, the left side and the right side of the two sides are kept to synchronously rotate through the long connecting rod 17, and the stability of the movable support 10 in the upward movement process is improved;
adjusting the axial position of the drill rod again: the second driving motor 27 drives the clamping jaw support 3 and the drill rod to feed axially, so that the front end of the drill rod extends into a corresponding thickening station position on the forging press.
The feeding method of the straightness-adjustable drill rod feeding device in the embodiment is suitable for feeding drill rods with various lengths and diameters. The automatic butt joint device has no requirement on the initial feeding position of the drill rod, namely the blanking of the previous procedure can be directly sent to the middle V-shaped frame 5, the axial supporting point is adjusted through the middle V-shaped frame 5, the axial position is adjusted (moved forwards or backwards) through the clamping jaw support 3, and according to the structure of the forging press, the end position of the drill rod is sequentially adjusted (adjusted to a positioning point and then lifted and moved forwards), so that the automatic butt joint with a processing station on the forging press is met, the operation is convenient, and the efficiency is high.

Claims (9)

1. The drilling rod feeding device with the adjustable straightness is characterized by comprising an axial feeding mechanism, the structure of the axial feeding mechanism comprises a movable support (10), longitudinal guide rails (1) are respectively arranged on the upper surfaces of two sides of the movable support and are consistent with the axial feeding direction of a drilling rod, a clamping jaw support (3) sliding along the longitudinal guide rails (1) and at least one middle V-shaped frame (5) are arranged on the longitudinal guide rails (1), a clamping mechanism is arranged in the clamping jaw support (3) and is used for clamping the drilling rod, and the clamping mechanism is matched with the middle V-shaped frame (5) to support the drilling rod along the axial direction; the clamping jaw support (3) is provided with a driving gear (26), the inner side surface of the movable support (10) is provided with a long rack (2), and the long rack is meshed with the driving gear (26) for transmission, so that the clamping jaw support (3) moves along the longitudinal guide rail (1), and the axial feeding of a drill rod is realized;
the lifting mechanism is characterized by further comprising a lifting mechanism, the lifting mechanism structurally comprises a fixed support (9), a jacking driving piece used for jacking the movable support (10) is installed at the top of the fixed support, and the fixed support (9) is movably connected with the movable support (10) through a connecting rod mechanism to enable the movable support (10) to keep balance when lifted.
2. The straightness-adjustable drill rod feeding device as claimed in claim 1, wherein the clamping mechanism structurally comprises symmetrically arranged clamping jaws (20), each clamping jaw (20) is connected with a driving cylinder (18) through a connecting frame (19), the side surfaces of the two connecting frames (19) are connected with a short rack (21), a driven gear (23) is mounted on the bottom plate of the clamping jaw support (3) through a gear frame (24) and a wheel shaft, and the upper side and the lower side of the driven gear (23) are respectively meshed with the two short racks (21).
3. The straightness-adjustable drill rod feeding device as claimed in claim 2, wherein a transverse guide rail (22) is further mounted on a bottom plate of the clamping jaw support (3), and the two connecting frames (19) are respectively connected with the transverse guide rail (22) in a sliding manner, so that the clamping jaws (20) clamp or loosen a drill rod along a direction perpendicular to the axial direction.
4. The straightness-adjustable drill rod feeding device as claimed in claim 1, wherein at least two middle V-shaped frames (5) are arranged and are respectively located on two sides of the clamping jaw support (3), two sides of the bottom of the clamping jaw support (3) are respectively provided with a first driving motor (4), and output shafts of the first driving motors are respectively connected with the middle V-shaped frames (5) through a lead screw (6) and a sliding block screwed with the lead screw (6); and a V-shaped groove for placing a drill rod is arranged at the top end of the middle V-shaped frame (5).
5. The straightness-adjustable drill rod feeding device as claimed in claim 1, wherein one end of the moving support (10) is fixedly connected with an end V-shaped frame (11), the other end of the moving support is fixedly connected with a photoelectric sensor (8), the end V-shaped frame (11), the middle V-shaped frame (5) and the clamping mechanism are located on the same axis, and two rollers arranged in a V shape are arranged at the top end of the end V-shaped frame (11).
6. The straightness-adjustable drill rod feeding device as claimed in claim 1, wherein a second driving motor (27) is further arranged at the bottom of the clamping jaw support (3), and an output shaft of the second driving motor is connected with the driving gear (26).
7. The straightness-adjustable drill rod feeding device as claimed in claim 1, wherein the link mechanism structurally comprises a rotating shaft (14), a shifting lever (12), a short connecting rod (16) and a long connecting rod (17); the rotating shafts (14) are arranged at the front end and the rear end of the fixed support (9) through bearing seats (13), the two ends of each rotating shaft (14) are respectively connected with the shifting rod (12), the long connecting rods (17) are symmetrically distributed at the two sides of the fixed support (9), and each long connecting rod (17) is used for connecting the shifting rods (12) at the two ends of the fixed support (9) into a whole; the shifting lever (12) is provided with two lever bodies, one end of one lever body is rotatably connected with the long connecting rod (17), one end of the other lever body is rotatably connected with one end of the short connecting rod (16), and the other end of the short connecting rod (16) is rotatably connected with the movable support (10).
8. The straightness-adjustable drill rod feeding device as claimed in claim 1, wherein the jacking driving part adopts stepping cylinders (15) which are distributed at four corners of the top surface of the fixed support (9) and used for keeping the stress balance of the movable support (10) during jacking.
9. The straightness-adjustable drill rod feeding device as claimed in claim 1, wherein the moving support (10) is provided with a limiting block (7) at each end of the longitudinal guide rail (1), and the limiting blocks (7) are used for limiting the position of the middle V-shaped frame (5).
CN202121949120.8U 2021-08-18 2021-08-18 Drilling rod material feeding unit with adjustable straightness Active CN215614819U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121949120.8U CN215614819U (en) 2021-08-18 2021-08-18 Drilling rod material feeding unit with adjustable straightness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121949120.8U CN215614819U (en) 2021-08-18 2021-08-18 Drilling rod material feeding unit with adjustable straightness

Publications (1)

Publication Number Publication Date
CN215614819U true CN215614819U (en) 2022-01-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113560484A (en) * 2021-08-18 2021-10-29 江苏双马钻探工具有限公司 Automatic feeding device and feeding method for drill rod thickening

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113560484A (en) * 2021-08-18 2021-10-29 江苏双马钻探工具有限公司 Automatic feeding device and feeding method for drill rod thickening

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