CN209904914U - Core shaft sub-assembly running-in table of electric power steering gear - Google Patents
Core shaft sub-assembly running-in table of electric power steering gear Download PDFInfo
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- CN209904914U CN209904914U CN201920566245.9U CN201920566245U CN209904914U CN 209904914 U CN209904914 U CN 209904914U CN 201920566245 U CN201920566245 U CN 201920566245U CN 209904914 U CN209904914 U CN 209904914U
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Abstract
The utility model provides a core shaft sub-assembly running-in table of an electric power steering gear, which comprises a workbench and at least two running-in mechanisms; the running-in mechanism comprises a worm driving mechanism arranged at the lower part of the workbench, a loading mechanism, a positioning tool and a clamping mechanism which are respectively arranged at the upper part of the workbench; a first through hole is formed in the bottom of the positioning tool, and a second through hole communicated with the first through hole is formed in the workbench; the loading mechanism comprises a first butt joint horizontally moving back and forth towards the positioning tool and a first driving device driving the first butt joint to rotate around the axis of the first butt joint; the clamping mechanism is arranged above the positioning tool and comprises a pressing rod vertically lifting up and down towards the positioning tool; the worm driving mechanism comprises a second butt joint and a second driving device, the second butt joint vertically ascends and descends towards the positioning tool, the second driving device drives the second butt joint to rotate around the axis of the second butt joint, and the second butt joint is movably inserted into the first through hole and the second through hole in a penetrating mode. The utility model has the characteristics of the precision is high, compatible good, efficient.
Description
Technical Field
The utility model relates to a steering gear running-in equipment technical field specifically is a dabber subassembly running-in platform that relates to electronic power assisted steering ware.
Background
The electric power-assisted steering system is a novel power-assisted steering device of a modern automobile, and has become an inevitable trend of the development of the modern automobile by replacing a hydraulic power-assisted steering system which is widely used at present. The electric power steering gear is an important safety part on an automobile, and the quality of each link and process of production and assembly of the electric power steering gear needs to be ensured. The spindle subassembly of the electric power steering gear is a key and indispensable component in the production process of the electric power steering gear. The spindle sub-assembly of the electric power steering gear needs to be subjected to running-in under specific working conditions in the assembling process, so that the worm-and-gear pair achieves the optimal meshing state. After the running-in is completed, no-load moment detection needs to be carried out on the mandrel sub-assembly so as to ensure the final running-in quality of the mandrel sub-assembly. The existing electric power steering gear mandrel sub-assembly running-in table has the characteristics of poor precision, poor compatibility with different types of products, incapability of reaching a set production rhythm and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dabber subassembly running-in platform of electronic power assisted steering ware.
In order to achieve the above object, the utility model provides a spindle subassembly running-in table of electric power steering gear, including the frame that has the workstation, set up the running-in mechanism on the workstation, the running-in mechanism sets up to at least two, and each running-in mechanism all includes loading mechanism, worm drive mechanism, location frock and clamping mechanism, and loading mechanism, location frock and clamping mechanism set up in the upper portion of workstation; a first through hole is formed in the bottom of the positioning tool, a second through hole is formed in the workbench, and the first through hole is communicated with the second through hole; the loading mechanism is arranged on one side of the positioning tool and comprises a first butt joint and a first driving device, the first butt joint can horizontally move back and forth towards the positioning tool, and the first driving device drives the first butt joint to rotate around the axis of the first butt joint; the clamping mechanism is arranged above the positioning tool and comprises a pressing rod vertically lifting up and down towards the positioning tool; the worm driving mechanism is arranged at the lower part of the workbench and is arranged below the positioning tool, the worm driving mechanism comprises a second butt joint and a second driving device, the second butt joint vertically ascends and descends towards the positioning tool, the second driving device drives the second butt joint to rotate around the axis of the second butt joint, and the second butt joint is movably inserted into the first through hole and the second through hole in a penetrating mode.
According to the scheme, by arranging at least two running-in mechanisms, two or more workpieces can be simultaneously run in to achieve a set production rhythm and improve the working efficiency; each running-in mechanism can independently operate, can simultaneously carry out running-in processing on workpieces of different models, and has high product compatibility.
The further proposal is that a tool mounting seat is arranged on the workbench, and the positioning tool is arranged on the tool mounting seat; the tool mounting base is provided with a first mounting hole, and the first mounting hole is communicated with the first through hole and the second through hole.
According to the scheme, the tool mounting seat with the preset height is arranged, so that the output shaft of the workpiece mounted on the positioning tool and the first butt joint are guaranteed to be at the same height, and the first butt joint is conveniently connected with the output shaft of the workpiece.
The further proposal is that a loading installation base is arranged on the workbench, and a loading mechanism is movably arranged on the loading installation base; the loading mechanism comprises a bottom plate and a loading assembly, and the loading assembly is movably arranged on the bottom plate; the moving direction of the loading mechanism on the loading installation base is parallel to the radial direction of the first pair of joints, and the moving direction of the loading assembly on the bottom plate is parallel to the axial direction of the first pair of joints.
According to the scheme, the loading mechanism is movably connected with the loading installation base, and the loading assembly is movably connected with the bottom, so that the first butt joint can feed in the radial direction and the axial direction of the first butt joint, and the first butt joint is conveniently connected with the output shaft of a workpiece.
The loading assembly comprises a torque sensor, a spindle head and a quick-change chuck, a first end of the torque sensor is connected with a first driving device, a second end of the torque sensor is connected with a first end of the spindle head, a second end of the spindle head is connected with the quick-change chuck, and a first butt joint is arranged on the quick-change chuck.
According to the scheme, the torque sensor is arranged for detecting the current load torque, so that the accurate load torque is provided; through setting up the quick change chuck, to the first butt joint that the work piece quick replacement of different models corresponds, not only product compatibility is good, has improved work efficiency indirectly moreover.
The loading mechanism further comprises a locking mechanism, the locking mechanism comprises a pressing piece and a third driving device, the pressing piece is arranged on the bottom plate and is arranged on one side facing the loading installation base, and the third driving device drives the pressing piece to move close to or away from the loading installation base.
According to the scheme, when the first butt joint is aligned with the output shaft of the workpiece, the first butt joint is locked to move in the transverse direction through the locking mechanism, and the situation that the first butt joint and the output shaft of the workpiece are staggered in the transverse direction to affect the running-in quality is avoided.
The further scheme is that the clamping mechanism comprises an installation frame, a pressing rod and a driving assembly, the installation frame is erected above the positioning tool, the pressing rod is arranged on the installation frame and is arranged right above the positioning tool, and the driving assembly drives the pressing rod to move close to or away from the positioning tool.
According to the scheme, the clamping device has the advantages that the clamping device applies a downward acting force to the workpiece through the vertically lifting pressing rod, and the clamping device and the supporting force of the positioning tool form a clamping force for clamping the workpiece, and is simple in structure and convenient to operate.
According to a further scheme, the clamping mechanism further comprises an in-place detector, and the in-place detector is arranged on one side of the positioning tool.
According to the scheme, the in-place detector is arranged to detect whether the workpiece on the positioning tool is in place or not, the clamping mechanism is conveniently controlled to clamp the workpiece, and the automation degree is high.
The further scheme is that a fixed seat is arranged at the lower part of the workbench, the worm driving mechanism comprises a worm mounting base and a worm driving assembly, the worm mounting base is movably connected with the fixed seat, driving equipment is arranged on the worm mounting base, and the driving equipment drives the worm driving assembly to move back and forth along the axial direction of the second pair of joints.
According to the scheme, the second pair of joints capable of ascending and descending are arranged, so that the worm driving mechanism is conveniently connected with the worm end of the workpiece.
According to a further scheme, the worm driving assembly comprises a torque detector, a spindle assembly and a quick-change clamping assembly, a first end of the torque detector is connected with the second driving device, a second end of the torque detector is connected with a first end of the spindle assembly, a second end of the spindle assembly is connected with the quick-change clamping assembly, and the second pair of connectors is arranged on the quick-change clamping assembly.
According to the scheme, the no-load torque detection is carried out on the mandrel sub-assembly by arranging the torque detector so as to ensure the running-in quality of the mandrel sub-assembly; through setting up quick change centre gripping subassembly, to the second butt joint that the work piece quick replacement of different models corresponds, not only product compatibility is good, has improved work efficiency indirectly moreover.
The further scheme is that the running-in table further comprises a protective cover, and the protective cover is arranged on the workbench and surrounds all the running-in mechanisms.
By above-mentioned scheme, through setting up the protection casing for will divide safe district around running-in mechanism, avoid taking place the incident, improve the security performance.
Drawings
Fig. 1 is a structural diagram of an embodiment of the present invention.
Fig. 2 is a structural diagram of a running-in mechanism according to an embodiment of the present invention.
Fig. 3 is a view of a loading mechanism according to an embodiment of the present invention.
Fig. 4 is a structural diagram of another view angle of the loading mechanism according to the embodiment of the present invention.
Fig. 5 is a structural diagram of a positioning tool and a clamping mechanism according to an embodiment of the present invention.
Fig. 6 is a structural view of a worm drive mechanism according to an embodiment of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1, fig. 1 is a structural diagram of an embodiment of the present invention. The running-in table comprises a machine frame 1 with a working table 11, a running-in mechanism arranged on the working table 11 and a protective cover 6 arranged on the edge of the upper part of the machine frame 1, wherein the protective cover 6 surrounds the running-in mechanism. The protective cover 6 comprises a frame 61 and a sealing plate 62 arranged in the frame 61, wherein the frame 61 is preferably made of aluminum section, and the sealing plate 62 is preferably made of acrylic material. The side of the protective cover 6 facing the staff is set as the front side, and the side opposite to the front side is set as the back side. The front of this protection casing 6 is equipped with the rectangle opening, makes things convenient for the staff to go up unloading. The back of this protection casing 6 is equipped with door plant 63, makes things convenient for the staff to observe the running-in mechanism from the back. The door plate 63 is provided with a safety door lock assembly 64, so that the door plate 63 is prevented from being opened by mistake in the running-in process. A touch display 65 is arranged on the right upper side of the front face of the protective cover 6, and a worker can perform related operations on the touch display 65. The left side of the front face of the protective cover 6 is provided with an operation instruction book 66, and the left upper part of the front face of the protective cover 6 is provided with a three-color lamp. The pneumatic control box 67, the electric control box 68 and the control assembly 69 of the running-in table are all arranged at the lower part of the frame 1, so that the maintenance personnel can conveniently perform related operations or regular maintenance and overhaul. The control unit 69 includes an emergency stop button, a reset button, and the like. The lower part of workstation 11 still is equipped with and holds the chamber, and pneumatic control box 67, electric cabinet 68 set up around holding the chamber, and control assembly 69 sets up on one side of workstation 11.
Referring to fig. 2, in conjunction with fig. 1, fig. 2 is a structural diagram of a running-in mechanism according to an embodiment of the present invention. The running-in table is provided with two running-in mechanisms arranged side by side, and the two running-in mechanisms move independently. Each running-in mechanism comprises a loading mechanism 2, a worm driving mechanism 3, a positioning tool 4 and a clamping mechanism 5. The loading mechanism 2, the positioning tool 4 and the clamping mechanism 5 are arranged on the upper portion of the workbench 11, and the worm driving mechanism 3 is arranged on the lower portion of the workbench 11 and is arranged in an accommodating cavity in the lower portion of the workbench 11.
Referring to fig. 3 to 4, in combination with fig. 2, fig. 3 is a structural diagram of a viewing angle of a loading mechanism according to an embodiment of the present invention, and fig. 4 is a structural diagram of another viewing angle of a loading mechanism according to an embodiment of the present invention. The two loading mechanisms 2 are arranged on one side of the corresponding positioning tool 4, preferably on the same side of the positioning tool 4. The loading mechanism 2 includes a first pair of joints 21 and a first driving device 22, the first pair of joints 21 can horizontally move back and forth towards the positioning tool 4, and the first driving device 22 drives the first pair of joints 21 to rotate around the axis thereof. The first drive means 22 is preferably a servomotor. The first pair of joints 21 is used for being connected with the output shaft 71 of the workpiece 7, and the first driving device 22 drives the first pair of joints 21 to rotate so as to drive the output shaft 71 of the workpiece 7 to rotate. Specifically, a loading mounting base 12 is arranged on the workbench 11, the two loading mechanisms 2 are movably arranged on the loading mounting base 12, and the two loading mechanisms 2 are arranged in parallel. Each loading mechanism 2 includes a base plate 23 and a loading assembly provided on the base plate 23. The loading mounting base 12 is provided with a first transmission device, a first sliding driving mechanism 121, and two first guide rails 122 arranged in parallel corresponding to each loading mechanism 2. The longitudinal direction of the first guide rail 122 is parallel to the radial direction of the first pair of joints 21. The first transmission device and the first sliding driving mechanism 121 are both arranged between the two first guide rails 122, and the first sliding driving mechanism 121 is connected with the first transmission device. The bottom of the bottom plate 23 of the loading mechanism 2 is connected with the first transmission device, and two first sliding blocks matched with the two first guide rails 122 are arranged at the bottom of the bottom plate 23. The first sliding driving mechanism 121 drives the first transmission device to drive the bottom plate 23 to move back and forth along the length direction of the first guide rail 122. The first transmission is preferably a ball screw assembly, and the first sliding drive mechanism 121 is preferably a servo motor. The loading mechanism 2 further includes a first position sensor assembly 27, and the first position sensor assembly 27 includes four first photoelectric switches 271 arranged on the loading mounting base 12 along the length direction of the first guide rail 122, and a first sensing piece 272 provided on the bottom plate 23 and cooperating with the first photoelectric switches 271. The four first photoelectric switches 271 are combined in pairs, a preset distance is reserved between two first photoelectric switches 271 in each group, and the first sensing piece 272 can move to a position between two first photoelectric switches 271 in the same group. When the bottom plate 23 moves along the length direction of the first guide rail 122, the first sensing piece 272 moves back and forth between the two sets of the first photoelectric switches 271, thereby realizing the quantitative feeding of the loading mechanism 2 in the radial direction of the first pair of joints 21.
The upper part of the bottom plate 23 of the loading assembly is provided with a second transmission device, a second sliding driving mechanism 123 and two second guide rails 124. The length direction of the second guide rail 124 is parallel to the axial direction of the first pair of joints 21. The second transmission device is disposed between the two second guide rails 124, the second sliding driving mechanism 123 is disposed on the same side of the two second guide rails 124, the second sliding driving mechanism 123 is connected with the second transmission device through a first transmission device, the first transmission device is preferably a belt transmission device, the second transmission device is preferably a ball screw pair, and the second sliding driving mechanism 123 is preferably a servo motor. The loading assembly comprises a bearing plate 28, the bottom of the bearing plate 28 is connected with the second transmission device, and two second sliding blocks matched with the two second guide rails 124 are further arranged at the bottom of the bearing plate 28. The second sliding driving mechanism 123 drives the second transmission device to drive the supporting plate 28 to move back and forth along the length direction of the second guide rail 124, that is, the second sliding driving mechanism 123 drives the first butt joint 21 on the loading assembly to move toward or away from the end of the output shaft 71 of the workpiece 7 on the positioning tool 4. When the approaching movement is performed, the first pair of joints 21 are connected to the output shaft 71 of the workpiece 7. The bottom plate 23 is provided with a second position sensor assembly 29, and the second position sensor assembly 29 includes four second photoelectric switches 291 arranged along the length direction of the second guide rail 124, and a second sensing piece 292 disposed on the supporting plate 28 and engaged with the second photoelectric switches 291. The four second photoelectric switches 291 are combined in pairs, a preset distance is provided between two second photoelectric switches 291 in each group, and the second sensing piece can be moved to a position between two second photoelectric switches 291 in the same group. When the supporting plate 28 moves along the length direction of the second guiding rail 124, the second sensing piece 292 moves back and forth between the two sets of second photoelectric switches 291, so as to realize the quantitative feeding of the loading assembly in the axial direction of the first pair of connectors 21.
The loading assembly includes a first vertical shelf 281 vertically disposed on an end of the support plate 28 remote from the first butt joint, and the first drive 22 is horizontally disposed on the first vertical shelf 281. The loading assembly further comprises a torque sensor 24, a spindle head 25, a quick-change chuck 251, and a first pair of couplers 21. The output end of the first driving device 22 is provided with a reduction gearbox, the reduction gearbox is connected with the first end of a first coupler arranged below the first driving device 22 through a second transmission mechanism, the second end of the first coupler is connected with the first end of a torque sensor 24, and the second transmission mechanism is preferably a belt transmission mechanism. A second end of the torque sensor 24 is connected to a first end of the spindle head 25 via a second coupling, and a second end of the spindle head 25 is connected to a first end of the quick-change chuck 251. The spindle head 25 is preferably a high precision spindle head 25, which is advantageous for ensuring the axis precision of the load side. The second end of the quick-change collet 251 is connected to a first end of a first pair of adapters 21, the second end of the first pair of adapters 21 being connected to the output shaft 71 of the workpiece 7, the first pair of adapters 21 preferably being splined heads.
The loading mechanism 2 further comprises a locking mechanism 26, the locking mechanism 26 comprising a pressing piece 261 and a third driving device 262. The pressing piece 261 is provided on the bottom plate 23 and disposed on the side facing the load mount base 12. The third drive 262 is disposed on the bottom plate 23 and on the side facing away from the load mounting base 12. A first end of the pressing member 261 penetrates the load attachment base 12 and is connected to the third driving unit 262, and a second end of the pressing member 261 extends in the direction of the load attachment base 12. The third driving device 262 drives the pressing member 261 to move closer to or away from the direction of loading the mounting base 12. The third drive 262 is preferably a cylinder drive. When the pressing piece 261 gradually approaches toward the loading attachment base 12 until the second end of the pressing piece 261 abuts against the loading attachment base 12, the locking mechanism 26 is in a locked state; when the pressing member 261 is gradually moved away toward the load attachment base 12 until the second end of the pressing member 261 does not directly contact the load attachment base 12, the lock mechanism 26 is in the unlocked state.
Referring to fig. 5, in conjunction with fig. 2, fig. 5 is a structural diagram of a positioning tool and a clamping mechanism according to an embodiment of the present invention. The positioning tool 4 is arranged on the workbench 11, and a seat body 45 matched with the shell of the workpiece 7 is arranged on the positioning tool 4. In order to enable the first butt joint 21 of the loading mechanism 2 to be connected with the output shaft 71 of the workpiece 7 on the positioning tool 4, the tool mounting seat 42 is arranged on the workbench 11, and the positioning tool 4 is arranged on the tool mounting seat 42. The tool mounting seat 42 is configured to be a hollow structure that is arched upward, and the tool mounting seat 42 has a preset height, so that after the workpiece 7 is mounted, the axis of the output shaft 71 of the workpiece 7 is at the same height as the axis of the first butt joint 21 of the loading mechanism 2. The bottom of location frock 4 is equipped with first through-hole 41, and the frock mount pad 42 is equipped with first mounting hole 421, and location frock 4 passes through connecting plate 43 and sets up on the work mount pad, is equipped with second mounting hole 431 on the connecting plate 43, is equipped with the second through-hole on the workstation 11, and first through-hole 41, second through-hole, first mounting hole 421, second mounting hole 431 communicate each other. Two locking assemblies 44 are arranged on two sides of the connecting plate 43, and the positioning tool 4 is detachably connected to the connecting plate 43 through mounting grooves matched with the locking assemblies 44. The positioning tool 4 is provided with at least two positioning pins, and each positioning pin is uniformly arranged on the periphery of the first through hole 41. The workpiece 7 is provided with a positioning hole 72 matched with the positioning pin, and when the workpiece 7 is installed, the positioning hole 72 of the workpiece 7 is inserted into the corresponding positioning pin, so that the workpiece 7 can be installed quickly.
The clamping mechanism 5 is arranged above the positioning tool 4, and the clamping mechanism 5 comprises a U-shaped mounting frame 52, a pressure rod 51 and a driving assembly 53. The mounting frame 52 is erected above the positioning tool 4, and the press rod 51 is arranged on the mounting frame 52 and is arranged right above the workpiece 7 on the positioning tool 4. A first end of the pressure rod 51 is connected to the drive assembly 53, and a second end of the pressure rod 51 extends in the direction of the workpiece 7. The driving assembly 53 drives the pressing rod 51 to move towards or away from the workpiece 7 on the positioning tool 4. The drive assembly 53 is preferably a pneumatic cylinder drive. When the pressing rod 51 gradually approaches towards the workpiece 7 until the second end of the pressing rod 51 is abutted against the surface of the workpiece 7, the clamping mechanism 5 is in a clamping state; when the pressing rod 51 gradually moves away towards the workpiece 7 until the second end of the pressing rod 51 is not in direct contact with the surface of the workpiece 7, the clamping mechanism 5 is in a clamping-releasing state. The clamping mechanism 5 further includes an in-position detector 54, and the in-position detector 54 is provided on one side of the positioning tool 4. The in-place detector 54 is preferably a diffuse reflection type photoelectric sensor, and the emitting end of the sensor faces the direction of the workpiece 7, and is used for detecting whether the workpiece 7 exists on the positioning tool 4.
Referring to fig. 6, in conjunction with fig. 2, fig. 6 is a structural diagram of a worm driving mechanism according to an embodiment of the present invention. The worm driving mechanism 3 is arranged at the lower part of the workbench 11 and is arranged below the positioning tool 4. The worm driving mechanism 3 comprises a second pair of joints 31 and a second driving device 32, the second pair of joints 31 vertically ascend and descend towards the positioning tool 4, the second driving device drives the second pair of joints 31 to rotate around the axis of the second driving device, and the second driving device 32 is preferably a servo motor. The second butt joint 31 sequentially penetrates through the second through hole, the first mounting hole 421, the second mounting hole 431 and the first through hole 41 in the ascending process, and is connected with the worm of the workpiece 7 on the positioning tool 4. Specifically, the lower part of the workbench 11 is provided with a vertically arranged fixed seat 13, the worm driving mechanism 3 comprises a worm mounting base 33 and a worm driving assembly 53, and the worm mounting base 33 is connected with the fixed seat 13. The worm driving assembly 53 is movably connected with the worm mounting base 33 up and down. Preferably, the worm mounting base 33 is provided with a third transmission device, a driving device 34, and two third guide rails 331 vertically arranged in parallel, and the length direction of the third guide rails 331 is parallel to the axial direction of the second pair of joints 31. The third transmission is arranged between the two third rails 331 and the drive device 34 is arranged on the same side of the two third rails 331. The drive device 34 is connected to a third gear mechanism, preferably a belt gear mechanism, via a third gear mechanism. The worm drive assembly 53 includes a receiving plate 35. A third sliding block matched with the third guide rail 331 is arranged on one side of the bearing plate 35, and the side of the bearing plate 35 provided with the third sliding block is connected with a third transmission device. The drive device 34 drives the worm drive assembly 53 to move back and forth along the length of the third rail, i.e. in the axial direction of the second pair of joints 31.
The worm drive assembly 53 further includes a transverse plate 351 disposed perpendicular to the receiving plate, and the second drive device 32 is disposed on the transverse plate 351. The output of the second drive 32 is connected to the first end of the third coupling via a fourth transmission, preferably a belt transmission. The worm drive assembly 53 further includes a torque detector 36, a spindle assembly 37, and a quick-change clamping assembly 38. A second end of the third coupling is connected to a first end of a torque detector 36. A second end of the torque detector 36 is connected to a first end of the spindle assembly 37 via a fourth coupling. The second end of the spindle assembly 37 is connected to the first end of the quick-change clamping assembly 38, and the spindle assembly 37 is preferably a high-precision spindle head 25, which is advantageous for ensuring the axis precision of the driving end. The second end of the quick-change clamping assembly 38 is connected to a first end of a second pair of spigots 31, the second end of the second pair of spigots 31 being connected to the worm of the workpiece 7, the second pair of spigots 31 preferably being splined heads.
The worm driving assembly 53 further comprises a third position sensor assembly 39, and the third position sensor assembly 39 comprises four third photoelectric switches 391 arranged on the worm mounting base 33 along the length direction of the third guide rail 331, and a third sensing piece 392 arranged on the receiving plate 35 and matched with the third photoelectric switches 391. The four third photoelectric switches 391 are combined pairwise, a preset distance is reserved between the two third photoelectric switches 391 in each group, and the third sensing piece 392 can move to a position between the two third photoelectric switches 391 in the same group. When the receiving plate 35 moves along the longitudinal direction of the third guide rail 331, the third sensing piece 392 moves back and forth between the two sets of the third photoelectric switches 391, so that the worm driving mechanism 3 performs the quantitative feeding in the axial direction of the second pair of joints 31.
Claims (10)
1. The mandrel subassembly running-in table of the electric power steering gear comprises a frame with a workbench, and a running-in mechanism arranged on the workbench, and is characterized in that:
the grinding-in mechanism is at least two, each grinding-in mechanism comprises a loading mechanism, a worm driving mechanism, a positioning tool and a clamping mechanism, and the loading mechanism, the positioning tool and the clamping mechanism are arranged on the upper part of the workbench;
a first through hole is formed in the bottom of the positioning tool, a second through hole is formed in the workbench, and the first through hole is communicated with the second through hole;
the loading mechanism is arranged on one side of the positioning tool and comprises a first butt joint and a first driving device, the first butt joint can horizontally move back and forth towards the positioning tool, and the first driving device drives the first butt joint to rotate around the axis of the first butt joint;
the clamping mechanism is arranged above the positioning tool and comprises a pressing rod which vertically ascends and descends towards the positioning tool;
the worm driving mechanism is arranged at the lower part of the workbench and is arranged below the positioning tool, the worm driving mechanism comprises a second butt joint and a second driving device, the second butt joint faces the positioning tool and vertically ascends and descends, the second driving device drives the second butt joint to rotate around the axis of the second butt joint, and the second butt joint is movably inserted in the first through hole and the second through hole in a penetrating mode.
2. The running-in table of claim 1, wherein:
the workbench is provided with a tool mounting seat, and the positioning tool is arranged on the tool mounting seat; the tool mounting seat is provided with a first mounting hole, and the first mounting hole is communicated with the first through hole and the second through hole.
3. The running-in table of claim 1, wherein:
the workbench is provided with a loading installation base, and the loading mechanism is movably arranged on the loading installation base; the loading mechanism comprises a bottom plate and a loading assembly, and the loading assembly is movably arranged on the bottom plate; the moving direction of the loading mechanism on the loading installation base is parallel to the radial direction of the first pair of joints, and the moving direction of the loading assembly on the bottom plate is parallel to the axial direction of the first pair of joints.
4. A running-in table according to claim 3, characterised in that:
the loading assembly comprises a torque sensor, a spindle head and a quick-change chuck, the first end of the torque sensor is connected with the first driving device, the second end of the torque sensor is connected with the first end of the spindle head, the second end of the spindle head is connected with the quick-change chuck, and the first butt joint is arranged on the quick-change chuck.
5. A running-in table according to claim 3 or 4, characterised in that:
the loading mechanism further comprises a locking mechanism, the locking mechanism comprises a pressing piece and a third driving device, the pressing piece is arranged on the bottom plate and is arranged on one side facing the loading installation base, and the third driving device drives the pressing piece to move close to or away from the loading installation base.
6. The running-in table of claim 1, wherein:
the clamping mechanism comprises an installation frame, a pressing rod and a driving assembly, the installation frame is erected above the positioning tool, the pressing rod is arranged on the installation frame and is arranged right above the positioning tool, and the driving assembly drives the pressing rod to move close to or away from the positioning tool.
7. A running-in table according to claim 1 or 6, characterised in that:
the clamping mechanism further comprises an in-place detector, and the in-place detector is arranged on one side of the positioning tool.
8. The running-in table of claim 1, wherein:
the lower part of workstation is equipped with the fixing base, worm actuating mechanism includes worm installation base and worm drive assembly, worm installation base with the fixing base is connected, worm drive assembly with worm installation base swing joint, be equipped with drive arrangement on the worm installation base, the drive arrangement drive the worm drive assembly is followed the axial direction round trip movement of second butt joint.
9. The running-in table of claim 8, wherein:
the worm drive assembly comprises a torque detector, a spindle assembly and a quick-change clamping assembly, the first end of the torque detector is connected with the second drive device, the second end of the torque detector is connected with the first end of the spindle assembly, the second end of the spindle assembly is connected with the quick-change clamping assembly, and the second butt joint is arranged on the quick-change clamping assembly.
10. A running-in table according to any of claims 1 to 4, 6, 8 to 9, characterized in that:
the running-in table further comprises a protective cover, and the protective cover is arranged on the workbench and surrounds all the running-in mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920566245.9U CN209904914U (en) | 2019-04-23 | 2019-04-23 | Core shaft sub-assembly running-in table of electric power steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920566245.9U CN209904914U (en) | 2019-04-23 | 2019-04-23 | Core shaft sub-assembly running-in table of electric power steering gear |
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| Publication Number | Publication Date |
|---|---|
| CN209904914U true CN209904914U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920566245.9U Active CN209904914U (en) | 2019-04-23 | 2019-04-23 | Core shaft sub-assembly running-in table of electric power steering gear |
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| CN (1) | CN209904914U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112692680A (en) * | 2021-01-04 | 2021-04-23 | 东风汽车股份有限公司 | Steering engine valve running-in device and running-in method |
| CN112775769A (en) * | 2021-03-01 | 2021-05-11 | 上海葆专自动化科技有限公司 | Worm gear running-in equipment of automobile steering system |
-
2019
- 2019-04-23 CN CN201920566245.9U patent/CN209904914U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112692680A (en) * | 2021-01-04 | 2021-04-23 | 东风汽车股份有限公司 | Steering engine valve running-in device and running-in method |
| CN112775769A (en) * | 2021-03-01 | 2021-05-11 | 上海葆专自动化科技有限公司 | Worm gear running-in equipment of automobile steering system |
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