CN114310127A - Automobile transmission shaft welding tool - Google Patents
Automobile transmission shaft welding tool Download PDFInfo
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- CN114310127A CN114310127A CN202210206816.4A CN202210206816A CN114310127A CN 114310127 A CN114310127 A CN 114310127A CN 202210206816 A CN202210206816 A CN 202210206816A CN 114310127 A CN114310127 A CN 114310127A
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- clamping
- transmission shaft
- automobile transmission
- ring
- fixed box
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Abstract
The invention relates to the technical field of welding tools, and discloses an automobile transmission shaft welding tool which comprises a fixed box, wherein a driving shaft is rotatably arranged at the central position in the fixed box, a worm gear and a driving gear are coaxially arranged on the driving shaft, a power shaft is also arranged between the front inner wall and the rear inner wall of the fixed box, a worm which is mutually matched with the driving gear is arranged on the power shaft, the front side and the rear side of the driving gear are respectively meshed with a straight rack, and the straight racks are arranged on moving columns which slide on the two sides of the fixed box; the clamping mechanism is installed at one end, far away from the fixed box, of the movable column and comprises a jaw assembly used for synchronously clamping multiple points of an automobile transmission shaft and a rotating assembly used for driving the jaw assembly to work. According to the invention, the driving gears which are meshed with each other are arranged between the two straight racks, so that the synchronous adjustment of the distance between the two clamping mechanisms is realized, and the fixing requirements of automobile transmission shafts with different lengths are met; synchronous clamping requirements of multiple positions of the automobile transmission shaft can be achieved through the clamping jaw assembly.
Description
Technical Field
The invention relates to the technical field of welding tools, in particular to an automobile transmission shaft welding tool.
Background
Welding, also known as fusion welding, is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, in a heated, high temperature or high pressure manner, and modern welding uses a wide variety of energy sources, including gas flame, electric arc, laser, electron beam, friction, and ultrasonic.
The transmission shaft of the automobile is a rotating body with high rotating speed and less support, so that the dynamic balance of the transmission shaft is very important. The drive shaft is welded as required in different situations. The welding of transmission shafts is to splice two transmission shafts in a welding mode, and when the transmission shafts are welded by the conventional welding device, the clamping is not stable enough, so that the welding quality is reduced, and therefore, a welding tool in the welding device needs to be improved.
Disclosure of Invention
The invention aims to provide an automobile transmission shaft welding tool to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a welding tool for an automobile transmission shaft comprises a fixed box, wherein a driving shaft is rotatably arranged at the center position in the fixed box, a worm gear and a driving gear are coaxially arranged on the driving shaft, a power shaft is further arranged between the front inner wall and the rear inner wall of the fixed box, a worm matched with the driving gear is arranged on the power shaft, the front side and the rear side of the driving gear are respectively meshed with a straight rack, and the straight racks are arranged on moving columns sliding on the two sides of the fixed box;
the utility model discloses a clamping device for automobile transmission shaft, including the jack catch subassembly that is used for the synchronous centre gripping of car transmission shaft multiple spot and the rotatory subassembly that drives jack catch subassembly work, the jack catch subassembly includes and fixes the grip ring on the removal post through the balancing plate, and grip ring central point puts and has run through the centre gripping through-hole, the grip ring inboard is close to centre gripping through-hole edge installation holding ring, and the holding ring lateral wall runs through has a plurality of telescopic links, and the telescopic link is close to centre gripping through-hole side-mounting locating plate, and locating plate side-mounting flexible ball is kept away from to the telescopic link, and the portion that resets is still installed to the telescopic link between the holding ring outside and the flexible ball.
As a modified scheme of the invention: one end of the power shaft is rotatably arranged on the inner wall of the fixed box, and the other end of the power shaft penetrates through the outer wall of the fixed box to be connected with a handle.
As a modified scheme of the invention: one end, far away from the clamping mechanism, of the movable column is connected with a guide cylinder through a buffer spring, and the guide cylinder is fixed on the inner wall of the fixed box.
As a modified scheme of the invention: the reset part comprises a baffle arranged on the telescopic rod, and a reset spring is sleeved on the telescopic rod between the baffle and the outer side of the positioning ring.
As a modified scheme of the invention: the rotating assembly comprises a plurality of rotating ring teeth which slide outside the clamping ring through a plurality of sliding columns, a plurality of rotating gears are meshed on the inner sides of the rotating ring teeth, a rotating shaft is installed at the center of each rotating gear, the rotating shaft penetrates through the clamping ring to be connected with a cam, and the outer side of the cam is contacted with a telescopic ball.
As a modified scheme of the invention: one of the rotating gears is coaxially provided with a ratchet wheel, the outer side of the ratchet wheel is contacted with a pawl, and the pawl is installed on a positioning column fixed on the outer side of the clamping ring through a torsion spring.
As a modified scheme of the invention: the outer side edge of the positioning ring is provided with a sliding groove matched with the sliding column.
As a modified scheme of the invention: at least four positioning plates are arranged in each clamping through hole, and the positioning plates are of arc-shaped ring structures.
Compared with the prior art, the invention has the beneficial effects that:
1. the driving gears which are meshed with each other are arranged between the two straight racks, so that the synchronous adjustment of the distance between the two clamping mechanisms is realized, and the fixing requirements of automobile transmission shafts with different lengths are met;
2. the clamping jaw assembly is arranged, so that the synchronous clamping requirements of multiple positions of the automobile transmission shaft can be met, and the clamping efficiency is further improved;
3. utilize rotating assembly drive jack catch subassembly to the centre gripping of automobile transmission shaft, not only can once only satisfy the centre gripping needs, also make the position after the centre gripping obtain effectual maintenance simultaneously, further improved the centre gripping stability to the automobile transmission shaft, the practicality is strong, and the reliability is high, is worth using widely.
Drawings
FIG. 1 is a schematic view of the overall axial structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic front view of the overall structure of the present invention;
FIG. 4 is a rear view of the overall structure of the present invention;
FIG. 5 is a schematic view of the arrangement structure of the sliding column according to the present invention;
FIG. 6 is a schematic view of a portion A in FIG. 3;
FIG. 7 is a partial enlarged structural view of B in FIG. 4;
fig. 8 is a schematic view of an installation structure of the buffer spring according to the present invention.
In the figure: 1. a fixed box; 2. a handle; 3. moving the column; 4. a balance plate; 5. a clamping mechanism; 6. a worm; 7. a drive gear; 8. a worm gear; 9. straight rack; 10. a guide cylinder; 11. a buffer spring; 12. a clamp ring; 13. a positioning ring; 14. positioning a plate; 15. a rotating shaft; 16. a cam; 17. a telescopic ball; 18. a telescopic rod; 19. a baffle plate; 20. a return spring; 21. rotating the ring gear; 22. a rotating gear; 23. clamping the through hole; 24. a ratchet wheel; 25. a pawl; 26. a torsion spring; 27. a positioning column; 28. a sliding groove; 29. a sliding post; 30. a power shaft; 31. a drive shaft.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the invention, and further, the terms "first", "second", etc., are used only for descriptive purposes and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more of such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be communicated with each other, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Referring to fig. 1 to 8, in the embodiment of the invention, an automobile transmission shaft welding tool comprises a fixed box 1, a driving shaft 31 is rotatably arranged at the central position in the fixed box 1, a worm wheel 8 and a driving gear 7 are coaxially arranged on the driving shaft 31, a power shaft 30 is further arranged between the front inner wall and the rear inner wall of the fixed box 1, a worm 6 matched with the driving gear 7 is arranged on the power shaft 30, the worm wheel 8 is synchronously rotated by driving the worm 6 to rotate, the driving gear 7 is synchronously rotated under the action of the driving shaft 31, the angle of the driving shaft 31 after rotation can be effectively maintained by utilizing the self-locking property of the meshing between the worm wheel 8 and the worm 6, finally, the position between the horizontal positions of the clamped automobile transmission shaft can be kept unchanged, the subsequent welding process is ensured, straight racks 9 are respectively meshed at the front side and the rear side of the driving gear 7, spur rack 9 sets up on sliding in the removal post 3 of fixed case 1 both sides, and is concrete, through the rotation of drive gear 7 for its self meshes with the spur rack 9 of both sides around with, and then makes the displacement distance of two front and back removal posts 3 opposite, has finally satisfied the regulation needs of weld face between the transmission shaft of different length.
The clamping mechanism 5 is arranged at one end, far away from the fixed box 1, of the movable column 3 and symmetrically arranged in a group and is respectively located at two side positions of the fixed box 1, the clamping mechanism 5 comprises a jaw assembly for synchronously clamping the automobile transmission shaft at multiple points and a rotating assembly for driving the jaw assembly to work, the jaw assembly comprises a clamping ring 12 fixed on the movable column 3 through a balance plate 4, a clamping through hole 23 penetrates through the center position of the clamping ring 12, a positioning ring 13 is arranged on the inner side of the clamping ring 12 close to the edge of the clamping through hole 23, one side of the inner side of the positioning ring 13 is in the same plane with the inner wall of the clamping through hole 23, so that the automobile transmission shaft clamped in the clamping through hole 23 cannot interfere with the inner wall of the positioning ring 13, a plurality of telescopic rods 18 penetrate through the side wall of the positioning ring 13, and a positioning plate 14 is arranged on one side of the telescopic rod 18 close to the clamping through hole 23, telescopic link 18 is far away from locating plate 14 one side installation telescopic ball 17, and the portion that resets is still installed to telescopic link 18 between the locating ring 13 outside and the telescopic ball 17, and is concrete, carries out flexible removal along locating ring 13 through telescopic link 18, finally makes locating plate 14 and automobile transmission shaft carry out centre gripping fixed action.
In the one aspect of this embodiment, power shaft 30 one end is rotated and is set up at fixed 1 inner wall of case, and the other end passes fixed 1 outer wall connection of case and has handle 2, and is concrete, through the staff twist grip 2 at fixed 1 outside of case for power shaft 30 rotates, finally makes the distance between whole fixture 5 carry out effectual regulation.
In the condition of this embodiment, it is connected with guide cylinder 10 through buffer spring 11 to remove post 3 and keep away from 5 one end of fixture, and guide cylinder 10 fixes the inner wall at fixed case 1, and is concrete, is connected with guide cylinder 10 through buffer spring 11 through will removing post 3 for remove post 3 and can not take place to rock on a large scale along guide cylinder 10 internal movement in-process, finally guaranteed to remove the meshing precision between spur rack 9 and drive gear 7 on the post 3, with this stability that has improved whole welding frock.
In a case of this embodiment, the portion that resets is including setting up baffle 19 on telescopic link 18, and the cover is equipped with reset spring 20 on telescopic link 18 between the baffle 19 and the holding ring 13 outside, and is concrete, cooperates with reset spring 20 simultaneously through installing baffle 19 on telescopic link 18 for locating plate 14 can move towards the direction of keeping away from centre gripping through-hole 23 axis when out of work and reset, thereby makes preparation for work next time.
In one aspect of this embodiment, the rotating assembly includes a rotating ring tooth 21 sliding on the outer side of the clamping ring 12 through a plurality of sliding columns 29, a plurality of rotating gears 22 are engaged on the inner side of the rotating ring tooth 21, a rotating shaft 15 is installed at the center position of the rotating gear 22, the rotating shaft 15 penetrates through the clamping ring 12 and is connected with a cam 16, a telescopic ball 17 is contacted on the outer side of the cam 16, specifically, the rotating ring tooth 21 is rotated to be engaged with the rotating gears 22, then the cam 16 is synchronously rotated under the action of the rotating shaft 15, and finally the convex part of the cam 16 extrudes the telescopic ball 17, so that the positioning plate 14 clamps the rotating shaft under the action of the telescopic rod 18.
In one case of this embodiment, a ratchet wheel 24 is coaxially installed on one of the rotary gears 22, a pawl 25 is contacted with the outer side of the ratchet wheel 24, and the pawl 25 is installed on a positioning column 27 fixed on the outer side of the clamping ring 12 through a torsion spring 26.
In one aspect of this embodiment, the outer edge of the positioning ring 13 is provided with a sliding groove 28 which is matched with the sliding column 29, and by providing the sliding groove 28 and being in sliding fit with the sliding column 29, the rotating ring tooth 21 does not displace on the axis when rotating, the meshing precision between the rotating ring tooth 21 and the rotating gear 22 is further ensured, and finally the rotating reliability of the rotating assembly is ensured.
Example 2
In another embodiment of the present invention, the embodiment is different from the above-mentioned embodiments in that at least four positioning plates 14 are disposed in each clamping through hole 23, and the positioning plates 14 are arc-shaped ring structures, and by disposing the positioning ring 13 in the above-mentioned structure and ensuring that the number in each clamping through hole 23 is at least four, the stable clamping and fixing effect of the positioning plates 14 on the automobile transmission shaft to be welded is further ensured.
The working principle of the invention is as follows: during operation, at first, the transmission shaft that needs to be welded is placed respectively inside the centre gripping through-hole 23 on fixture 5, through rotating the rotatory circle tooth 21 on every fixture 5, make locating plate 14 toward being close to the motion of automobile transmission shaft axis direction, finally realized the stable centre gripping to the automobile transmission shaft, later through rotating handle 2, make two fixture 5 drive the welding terminal surface between the automobile transmission shaft and draw close each other, reach the needs of welding distance with this, treat after the welding finishes, through stirring pawl 25 to opposite direction, make it and 24 between the ratchet contactless, later rotated rotatory circle tooth 21, locating plate 14 moves back, make it break away from the transmission shaft, later directly take out the welded automobile transmission shaft can, whole operation is swift, it is swift convenient and reliable.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The automobile transmission shaft welding tool comprises a fixed box (1), and is characterized in that a driving shaft (31) is rotatably arranged at the center position inside the fixed box (1), a worm gear (8) and a driving gear (7) are coaxially mounted on the driving shaft (31), a power shaft (30) is further mounted between the front inner wall and the rear inner wall of the fixed box (1), a worm (6) matched with the driving gear (7) is arranged on the power shaft (30), the front side and the rear side of the driving gear (7) are respectively meshed with a straight rack (9), and the straight racks (9) are arranged on movable columns (3) sliding on the two sides of the fixed box (1);
one end of the movable column (3) far away from the fixed box (1) is provided with a clamping mechanism (5), the clamping mechanism (5) comprises a jaw component for synchronously clamping the automobile transmission shaft at multiple points and a rotating component for driving the jaw component to work, the jaw component comprises a clamping ring (12) fixed on the movable column (3) through a balance plate (4), a clamping through hole (23) penetrates through the center of the clamping ring (12), the utility model discloses a quick-witted structure, including centre gripping through-hole (23), locating ring (13), telescopic link (18), locating ring (18) are kept away from locating plate (14) one side installation flexible ball (17), and the portion that resets is still installed to telescopic link (18) between the locating ring (13) outside and flexible ball (17), and locating ring (12) inboard is close to centre gripping through-hole (23) edge mounting locating ring (13), and locating ring (13) lateral wall runs through a plurality of telescopic links (18), and telescopic link (18) are close to centre gripping through-hole (23) one side installation locating plate (14), and locating plate (14) one side installation flexible ball (17) are kept away from in telescopic link (18).
2. The automobile transmission shaft welding tool according to claim 1, wherein one end of the power shaft (30) is rotatably arranged on the inner wall of the fixed box (1), and the other end of the power shaft penetrates through the outer wall of the fixed box (1) and is connected with a handle (2).
3. The automobile transmission shaft welding tool according to claim 1, wherein one end, far away from the clamping mechanism (5), of the moving column (3) is connected with a guide cylinder (10) through a buffer spring (11), and the guide cylinder (10) is fixed on the inner wall of the fixed box (1).
4. The automobile transmission shaft welding tool according to claim 1, wherein the resetting part comprises a baffle plate (19) arranged on the telescopic rod (18), and a resetting spring (20) is sleeved on the telescopic rod (18) between the baffle plate (19) and the outer side of the positioning ring (13).
5. The automobile transmission shaft welding tool according to claim 1, wherein the rotating assembly comprises a plurality of rotating ring teeth (21) which slide on the outer side of the clamping ring (12) through a plurality of sliding columns (29), a plurality of rotating gears (22) are meshed on the inner side of the rotating ring teeth (21), a rotating shaft (15) is installed at the center position of each rotating gear (22), the rotating shaft (15) penetrates through the clamping ring (12) and is connected with a cam (16), and the outer side of the cam (16) is contacted with a telescopic ball (17).
6. The automobile transmission shaft welding tool according to claim 5, wherein a ratchet wheel (24) is coaxially mounted on one of the rotating gears (22), a pawl (25) is in contact with the outer side of the ratchet wheel (24), and the pawl (25) is mounted and fixed on a positioning column (27) on the outer side of the clamping ring (12) through a torsion spring (26).
7. The automobile transmission shaft welding tool according to claim 6, characterized in that the outer edge of the positioning ring (13) is provided with a sliding groove (28) which is matched with a sliding column (29).
8. The automobile transmission shaft welding tool according to claim 1, wherein at least four positioning plates (14) are arranged in each clamping through hole (23), and each positioning plate (14) is an arc-shaped ring structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210206816.4A CN114310127A (en) | 2022-03-04 | 2022-03-04 | Automobile transmission shaft welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210206816.4A CN114310127A (en) | 2022-03-04 | 2022-03-04 | Automobile transmission shaft welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114310127A true CN114310127A (en) | 2022-04-12 |
Family
ID=81029746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210206816.4A Pending CN114310127A (en) | 2022-03-04 | 2022-03-04 | Automobile transmission shaft welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114310127A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116237561A (en) * | 2023-04-24 | 2023-06-09 | 江苏盘石机械科技有限公司 | Clamp for punching oil-free self-lubricating bearing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012091182A (en) * | 2010-10-25 | 2012-05-17 | Amada Co Ltd | Cylindrical workpiece holding device and cylindrical work piece holding method |
| CN210789852U (en) * | 2019-09-24 | 2020-06-19 | 西安工程大学 | Workpiece welding fixing frame for machining |
| CN111633227A (en) * | 2020-06-02 | 2020-09-08 | 南京天普机电产品制造有限公司 | Jack catch self-locking device is used in processing of rail vehicle spare part |
| CN112024921A (en) * | 2020-08-28 | 2020-12-04 | 杨兰 | High-precision clamping tool for numerical control shaft parts |
| CN113275801A (en) * | 2021-06-17 | 2021-08-20 | 狮宸(武汉)科技有限责任公司 | Intelligent electric automobile exhaust pipe welding forming processing machine and welding forming method |
| CN215469725U (en) * | 2021-09-07 | 2022-01-11 | 安阳中原机床制造有限公司 | High-precision automatic positioning device based on numerical control machine tool |
-
2022
- 2022-03-04 CN CN202210206816.4A patent/CN114310127A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012091182A (en) * | 2010-10-25 | 2012-05-17 | Amada Co Ltd | Cylindrical workpiece holding device and cylindrical work piece holding method |
| CN210789852U (en) * | 2019-09-24 | 2020-06-19 | 西安工程大学 | Workpiece welding fixing frame for machining |
| CN111633227A (en) * | 2020-06-02 | 2020-09-08 | 南京天普机电产品制造有限公司 | Jack catch self-locking device is used in processing of rail vehicle spare part |
| CN112024921A (en) * | 2020-08-28 | 2020-12-04 | 杨兰 | High-precision clamping tool for numerical control shaft parts |
| CN113275801A (en) * | 2021-06-17 | 2021-08-20 | 狮宸(武汉)科技有限责任公司 | Intelligent electric automobile exhaust pipe welding forming processing machine and welding forming method |
| CN215469725U (en) * | 2021-09-07 | 2022-01-11 | 安阳中原机床制造有限公司 | High-precision automatic positioning device based on numerical control machine tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116237561A (en) * | 2023-04-24 | 2023-06-09 | 江苏盘石机械科技有限公司 | Clamp for punching oil-free self-lubricating bearing |
| CN116237561B (en) * | 2023-04-24 | 2023-10-10 | 江苏盘石机械科技有限公司 | Clamp for punching oil-free self-lubricating bearing |
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Application publication date: 20220412 |