CN109262544B - Transverse pull rod assembly equipment - Google Patents
Transverse pull rod assembly equipment Download PDFInfo
- Publication number
- CN109262544B CN109262544B CN201811298471.XA CN201811298471A CN109262544B CN 109262544 B CN109262544 B CN 109262544B CN 201811298471 A CN201811298471 A CN 201811298471A CN 109262544 B CN109262544 B CN 109262544B
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- CN
- China
- Prior art keywords
- shaft
- rack
- actuating
- driven
- driven wheel
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- 238000013016 damping Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/143—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same for installing wire thread inserts or tubular threaded inserts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Transmission Devices (AREA)
Abstract
The transverse pull rod assembly equipment comprises a rack, a power device, a fixed assembly device and a movable assembly device, wherein the fixed assembly device comprises a support frame positioned at two ends of the rack, a first shaft and a second shaft which are horizontally and rotatably connected with the support frame, and a first driven wheel and a second driven wheel are fixedly connected at two ends of the first shaft and the second shaft respectively; the power device comprises a motor and an actuating shaft which is connected with the motor and is parallel to the first shaft and the second shaft, an actuating gear is fixedly connected on the actuating shaft, and driven gears meshed with the actuating gear are arranged on the first shaft and the second shaft; the movable assembly device comprises an action device and a rotating frame driven by the action device to be movably connected to the rack, a third shaft is horizontally connected to the rotating frame, and third driven wheels are arranged at two ends of the third shaft. The equipment can be assembled with a certain degree of automation by matching with workers; the front and back threads of the spherical hinges at the two ends can be assembled at the same time with high quality, and the production quality and efficiency are improved; the tie rod body is not damaged; the structure is simple, and the production cost is low.
Description
Technical Field
The invention relates to the field of automobile part production equipment, in particular to transverse pull rod assembly equipment.
Background
The tie rod is a main part of a steering system of an automobile and is used for connecting a left steering arm and a right steering arm, and can synchronize two wheels and align a toe-in. The tail end of the steering pull rod is connected with the steering knuckle through the ball joint, and because the wheels are directly rotated with force with larger force, most vehicles are hydraulically steered, the force of a driver is reduced, and the steering is more flexible and easy to operate.
The transverse pull rod consists of a joint with spherical hinges at two ends and a rod in the middle. The rod is made of steel pipe or round steel, and both ends are respectively provided with a positive thread and a negative thread (namely, one end is left-handed thread and the other end is right-handed thread). The spherical hinge consists of a joint, a spring, a ball seat (bowl), a ball pin, a screw plug, a limiting pin, a dustproof pad and the like, is connected with the rod through threads, and is fixed on the rod through a clamping bolt.
In the existing transverse pull rod body and structure assembling process, the assembly is generally realized by manual screwing, and the assembling mode ensures that on one hand, the labor intensity of an assembling worker is high and the mounting efficiency is low; on the other hand, manual tightening has the risk of larger errors in the mounting process, such as intermittent mounting direction and position; on the other hand, when the two ends are respectively installed, the clamping and the action of the tool clamp and the tightening device easily cause certain damage to the rod body, so that the quality of an assembled finished product is reduced.
Disclosure of Invention
The invention aims to provide a tie rod assembly device, through which assembly with a certain degree of automation can be performed by cooperating with workers; meanwhile, the front and back threads of the spherical hinges at the two ends can be assembled at the same time with high quality, and the production quality and efficiency are improved; meanwhile, the assembling equipment realized by the device can not damage the tie rod body in the assembling process; meanwhile, the structure is simple, and the production cost is low.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
The tie rod assembly equipment comprises a rack, a power device, a fixed assembly device and a movable assembly device, wherein the fixed assembly device comprises a support frame positioned at two ends of the rack, and a first shaft and a second shaft which are horizontally and rotatably connected with the support frame, and two ends of the first shaft and the second shaft are fixedly connected with a first driven wheel and a second driven wheel respectively; the power device comprises a motor and an actuating shaft which is connected with the motor and is parallel to the first shaft and the second shaft, an actuating gear is fixedly connected to the actuating shaft, and driven gears meshed with the actuating gears are arranged on the first shaft and the second shaft; the movable assembly device comprises an action device and a rotating frame driven by the action device to be movably connected with the rack, a third shaft is horizontally connected to the rotating frame, and third driven wheels are arranged at two ends of the third shaft.
Preferably, the rotating frame comprises rotating assemblies which are mirror symmetry and exist on two sides of the rack, the rotating assemblies comprise fixed blocks and movable blocks, the fixed blocks are fixedly connected to the top surface of the rack, and the movable blocks are in pin shaft lever connection with the fixed blocks through a pin shaft.
In the present invention, preferably, the fixed block is provided with a moving groove, and the pin is movably fixed to the moving groove.
Preferably, the movable block is L-shaped, the upper end of the movable block is rotatably connected with the third shaft, a cross beam is fixedly connected between the transversely extending ends of the movable blocks at two sides, and the action device is movably contacted with the middle point of the cross beam.
Preferably, the surfaces of the first driven wheel, the second driven wheel and the third driven wheel are provided with damping layers.
Preferably, the damping layer is a wear-resistant rubber damping layer.
Preferably, the damping layer includes a knurled portion present on a circumferential surface thereof.
Preferably, the top surface of the rack is further provided with a supporting part positioned between the fixed assembly device and the movable assembly device, and the top surface of the supporting part is provided with a supporting groove.
Preferably, the feeding frame comprises supporting legs, a feeding beam fixedly connected above the supporting legs and limiting columns extending upwards from the front end and the rear end of the feeding beam.
Preferably, the feeding beam is inclined downwards from the rear side to the front side in the bench direction.
The invention has the beneficial effects that:
1. the first driven wheel, the second driven wheel and the third driven wheel are matched to form stable clamping on the tie rod body, and meanwhile, the driven wheels are synchronously driven to rotate through the actuating gears, so that the tie rod body forms stable rotation, and an assembly worker can realize assembly of relative spiral rotation only by sleeving joints on the outer sides of the tie rod body from two sides and pressing the joints into the outer sides of the tie rod body;
2. the third driven wheel is close to/far away from the fixed assembly device through the lever swing of the rotating frame, so that the tie rod body can be conveniently installed and detached, and meanwhile, the clamping interval can be adjusted through the moving groove, so that the tie rod body of various types can be conveniently installed in an adapting mode;
3. All driven wheels are rigidly connected through shafts, the rotation speeds of the two ends are the same, and the rotation speeds of the two ends are the same when the tie rod body is assembled and rotated, so that the stability of parameter conditions when connectors at the two ends are installed is ensured, and the assembly quality is improved;
4. The damping layer is convenient for improving friction force to drive the tie rod body to realize assembly rotation on one hand, and is in flexible contact with the tie rod body on the other hand, so that the tie rod body is not damaged;
5. the feeding frame can automatically roll off the rod body of the transverse pull rod to be assembled through tilting, so that an assembling worker can conveniently take the rod body, and the production efficiency can be improved;
6. the whole clamping and transmission structure is simple, the production and the manufacture are convenient, and the cost is low.
Drawings
FIG. 1 is a three-dimensional schematic of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1A in accordance with the present invention;
FIG. 3 is a schematic longitudinal cross-sectional view of the present invention gripping a tie rod shaft;
the drawings are respectively as follows: 1a bench, 21 a motor, 22 an actuating shaft, 23 an actuating gear, 31 a supporting frame, 32 a first shaft, 33 a second shaft, 34 a first driven wheel, 35 a second driven wheel, 36 a driven gear, 41 a rotating frame, 411 a fixed block, 412 a movable block, 413 pin shafts, 414 moving grooves, 42 third shafts, 43 third driven wheels, 44 cross beams, 45 actuating devices, 5 damping layers, 51 knurled parts, 6 supporting parts, 61 supporting grooves, 7 feeding frames, 71 supporting feet, 72 feeding beams and 73 limiting columns.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
A tie rod assembly apparatus as shown in figures 1,2 and 3 comprises a gantry 1, a power unit, a stationary assembly device and a movable assembly device. The rack 1 is in a four-foot table shape, the fixed assembly device comprises two plate-shaped supporting frames 31 positioned at the left end and the right end of a table top at the top of the rack 1, a first shaft 32 and a second shaft 33 which can rotate horizontally are arranged between the two supporting frames 31 through bearings, the axes of the first shaft 32 and the second shaft 33 are coplanar in the left-right vertical direction, and two ends of the first shaft 32 and the second shaft 33 are fixedly connected with two first driven wheels 34 and two second driven wheels 35 through key connection respectively. The power device comprises a motor 21 fixed on the rack 1 and an actuating shaft 22 connected with the motor 21 through a transmission chain and parallel to a first shaft 32 and a second shaft 33, wherein two ends of the actuating shaft 22 are rotatably arranged on a supporting frame 31 through bearings, an actuating gear 23 is fixedly connected on the actuating shaft 22 in a key connection manner, and a chain wheel is integrally machined on the side surface of the actuating gear so as to realize chain connection with the motor 21. The driven gear 36 meshed with the actuating gear 23 is connected to the first shaft 32 and the second shaft 33 in a key manner, meanwhile, the meshed first shaft 32 and second shaft 33 have good synchronism in driven operation, stability of rotation of the tie rod shaft is guaranteed, and the condition that the shaft cannot be effectively assembled due to stress deflection caused by rotation speed difference is prevented. The movable assembly device comprises an actuating device 45 and a rotating frame 41 which is movably connected to the rack 1 under the driving of the actuating device 45, wherein a third shaft 42 is horizontally connected to the rotating frame 41, and a third driven wheel 43 is arranged at two ends of the third shaft 42.
In this embodiment, the rotating frame 41 includes rotating components that are mirror-symmetrical and exist on two sides of the rack 1, the rotating components include a fixed block 411 and a movable block 412, the fixed block 411 is fixedly connected to the top surface of the rack 1 through a bolt, and the movable block 412 is in pin lever connection with the fixed block 411 through a pin 413 and takes the pin 413 as a pivot. The fixed block 411 is machined with a transverse moving groove 414, and the pin shaft 413 is movably fixed to the moving groove 414 through a washer bolt at the end.
In this embodiment, the movable block 412 is L-shaped, the upper end of the movable block is rotatably connected with the third shaft 42 through a bearing, a beam 44 is fixedly connected between the transversely extending ends of the movable blocks 412 at two sides through bolts, the actuating device 45 is an upward cylinder, and the end of the piston rod of the actuating device is movably contacted with the middle point of the beam 44 through a swing hinge.
When the device works, the action device 45 is in a state that the piston rod is retracted, the rotating frame 41 is in a horizontal state, a certain distance is reserved between the third shaft 42 at the L-shaped top of the movable block 412 and the fixed assembly device, and an assembly worker takes a tie rod body and manually places the tie rod body against the first driven wheel 34 and the second driven wheel 35; after that, the worker starts the switch to jack up the piston rod of the actuating device 45, the movable block 412 rotates around the pin shaft 413 to rotate the third shaft 42 at the top to be close to the fixed assembly device to be abutted against the rod body, the first driven wheel 34, the second driven wheel 35 and the third driven wheel 42 form a triangular clamping on the rod body, and the triangular clamping is a triangle circumcircle formed by the contact points of the cross section circle of the rod body and the three driven wheels when seen from the side cross section; thereafter, the motor 21 is started to drive the actuating shaft 22 to rotate, the actuating gear 23 on the actuating shaft 22 drives the first shaft 32 and the second shaft 33 to rotate through meshing, and the rotation of the first shaft 32 and the second shaft 33 is transmitted to the rod body through friction force to drive the rod body to rotate; at this time, the worker takes the joint of the spherical hinge to be assembled to contact the end part of the rod body, the rotation of the rod body enables the screw thread of the end part to be automatically screwed into the screw thread of the joint, and simultaneously, the two ends of the rod body rotate in the same direction to finish simultaneous screwing of the positive screw thread and the negative screw thread of the two ends, so that efficient assembly with a certain degree of automation is realized. When shafts with different diameters are required to be adapted, the position of the pin shaft 413 in the moving groove 44 can be adjusted to realize the movement of the rotating clamping center of the third shaft 42, namely, the size of a triangle formed by three driven wheels is changed, namely, the diameter of the circumcircle of the three driven wheels is changed.
In this embodiment, the surfaces of the first driven pulley 34, the second driven pulley 35, and the third driven pulley 43 are provided with the damping layer 5. The damping layer 5 is a wear-resistant rubber damping layer 5. Through the characteristics of damping elasticity and high friction force of rubber, the friction force between each driven wheel and the rod body can be improved, and the rod body is prevented from slipping and not rotating along with the rod body. At the same time, the soft nature of the rubber protects the shaft from damaging its surface quality during contact. The wear-resistant rubber can effectively reduce self wear in the process of friction driving the rod body to rotate, reduce the use cost and improve the running stability.
In the present embodiment, the damping layer 5 includes a knurled portion 51 present on the circumferential surface thereof. The knurled portion 51 in this embodiment is a transverse groove formed on the rubber surface by knurling, and in other embodiments, may be a diamond-shaped lattice or other pattern surface, which may further enhance the friction effect.
In this embodiment, the top surface of the stand 1 is further provided with a supporting portion 6 between the fixed assembly device and the movable assembly device, and the top surface of the supporting portion 6 has a supporting groove 61. The supporting part 6 is a plastic block with adjustable height and horizontal position through threads and grooves formed on the upper surface of the rack 1, and is generally adjusted to a position where the rod body is just positioned to be abutted against the first driven wheel 34 and the second driven wheel 35 after the rod body is supported by the supporting groove 61 from bottom to top in production, so that on one hand, an assembly worker can conveniently position the rod body before being clamped by the movable rack 41, on the other hand, the rod body in rotation can be supported to prevent flexible deformation of a long shaft of the rod body, and the assembly quality is improved.
In this embodiment, a feeding frame 7 is connected to the rear side of the stand 1, and the feeding frame 7 includes a plurality of vertical supporting legs 71, a feeding beam 72 fixedly connected above the supporting legs 71, and a limiting column 73 extending upward from the front and rear ends of the feeding beam 72. The feed beam 72 is inclined downward from the rear side toward the front side stage 1. The shaft produced in the preceding process can be stacked on the feeding beam 72 to be placed on the feeding beam to be taken by an assembler, after the assembler takes one of the front sides, the rear shaft rolls downwards to the front side until being limited and blocked by the limiting column 73 under the action of the inclined gravity, and the structure is simple, so that the feeding efficiency of the assembler can be effectively improved.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention fall within the scope of the present invention, and the technical content claimed by the present invention is fully described in the claims.
Claims (7)
1. The transverse pull rod assembly equipment is characterized by comprising a rack, a power device, a fixed assembly device and a movable assembly device, wherein the fixed assembly device comprises a support frame positioned at two ends of the rack, and a first shaft and a second shaft which are horizontally and rotatably connected with the support frame, and two ends of the first shaft and the second shaft are fixedly connected with a first driven wheel and a second driven wheel respectively; the power device comprises a motor and an actuating shaft which is connected with the motor and is parallel to the first shaft and the second shaft, an actuating gear is fixedly connected to the actuating shaft, and driven gears meshed with the actuating gears are arranged on the first shaft and the second shaft; the movable assembly device comprises an action device and a rotating frame driven by the action device to be movably connected to the rack, a third shaft is horizontally connected to the rotating frame, and third driven wheels are arranged at two ends of the third shaft;
the rotating frame comprises rotating components which are mirror symmetry and exist on two sides of the rack, the rotating components comprise a fixed block and a movable block, the fixed block is fixedly connected to the top surface of the rack, and the movable block is in pin shaft lever connection with the fixed block through a pin shaft;
the fixed block is provided with a moving groove, and the pin roll is movably fixedly connected with the moving groove;
the movable block is L-shaped, the upper end of the movable block can be rotatably connected with the third shaft, a cross beam is fixedly connected between the transversely extending tail ends of the movable blocks at two sides, and the action device is movably contacted with the middle point of the cross beam.
2. The tie rod assembly apparatus of claim 1 wherein the surfaces of the first driven wheel, the second driven wheel and the third driven wheel are provided with a damping layer.
3. The tie rod assembly apparatus of claim 2 wherein said damping layer is a wear resistant rubber damping layer.
4. A tie rod assembly apparatus according to claim 3 wherein said damping layer includes knurled portions present on a circumferential surface thereof.
5. The tie rod assembly apparatus of claim 1 wherein said bench top surface is further provided with a support portion between said stationary assembly means and said movable assembly means, said support portion top surface having a support slot.
6. The tie rod assembly apparatus of claim 1 wherein a loading rack is present on a rear side of the rack, the loading rack including legs, a loading beam fixedly secured above the legs, and a spacing post extending upwardly from front and rear ends of the loading beam.
7. The tie rod assembly apparatus of claim 6 wherein said feed beam is downwardly sloped from the rear to the front in the direction of said stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811298471.XA CN109262544B (en) | 2018-11-02 | 2018-11-02 | Transverse pull rod assembly equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811298471.XA CN109262544B (en) | 2018-11-02 | 2018-11-02 | Transverse pull rod assembly equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109262544A CN109262544A (en) | 2019-01-25 |
| CN109262544B true CN109262544B (en) | 2024-08-13 |
Family
ID=65191927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811298471.XA Active CN109262544B (en) | 2018-11-02 | 2018-11-02 | Transverse pull rod assembly equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109262544B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209190682U (en) * | 2018-11-02 | 2019-08-02 | 宣城东海汽车转向部件有限公司 | A kind of drag link assembly equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5871070A (en) * | 1997-02-21 | 1999-02-16 | Contreras; Hugo | Overhead storage lift assembly |
| CN201913442U (en) * | 2010-11-05 | 2011-08-03 | 诸城市义和车桥有限公司 | Semi-automatic tie rod assembly assembling mechanism |
| AU2011253613B2 (en) * | 2010-11-30 | 2014-08-14 | Joy Global Surface Mining Inc | Moveable shaft assembly |
| CN103745781B (en) * | 2013-12-31 | 2016-01-27 | 东莞市胜蓝电子有限公司 | Wire-changing device |
| CN203780072U (en) * | 2014-02-24 | 2014-08-20 | 苏州志东岚自动化设备有限公司 | Laser marking automatic feeding machine for labels |
| CN104116549B (en) * | 2014-08-01 | 2016-06-29 | 天津宏九地工程机械有限公司 | Epithelium stripping machine |
-
2018
- 2018-11-02 CN CN201811298471.XA patent/CN109262544B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209190682U (en) * | 2018-11-02 | 2019-08-02 | 宣城东海汽车转向部件有限公司 | A kind of drag link assembly equipment |
Also Published As
| Publication number | Publication date |
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| CN109262544A (en) | 2019-01-25 |
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