CN113997162A - Gear back running-in device of rack for steering gear - Google Patents
Gear back running-in device of rack for steering gear Download PDFInfo
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- CN113997162A CN113997162A CN202111276684.4A CN202111276684A CN113997162A CN 113997162 A CN113997162 A CN 113997162A CN 202111276684 A CN202111276684 A CN 202111276684A CN 113997162 A CN113997162 A CN 113997162A
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- running
- rack
- grinding
- clamping
- moving
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- 230000006835 compression Effects 0.000 claims abstract description 36
- 238000007906 compression Methods 0.000 claims abstract description 36
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 7
- 238000005498 polishing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 230000005483 Hooke's law Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/14—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by liquid or gas pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The application discloses a gear back running-in device of a rack for a steering gear, which comprises a mounting frame, wherein a clamping power device capable of clamping the rack and a fixing assembly for fixing the rack are arranged on the mounting frame, the clamping power device and the fixing assembly are positioned on the same axis, the gear back running-in device also comprises a running-in device, the running-in device is provided with a running-in assembly, the running-in assembly is provided with a compression elastic device capable of adjusting the contact force with the rack, and the end part of the running-in assembly is provided with a grinding device mounting block; the running-in device is provided with an adjusting switch group which can adjust the moving direction of the running-in device. The beneficial effect of this application: the application relates to a gear back running-in device of a rack for a steering gear, which is characterized in that a running-in device is added; running-in components; the dynamics of polishing is adjusted to devices such as regulating switch group, control process of polishing to the tooth back running-in requirement that can adapt to different products makes the variety diversification that equipment can run-in, reduces the cost of rack processing.
Description
Technical Field
The utility model belongs to the technical field of the technique of rack processing and specifically relates to a back of tooth running-in device of rack for steering gear.
Background
In automotive systems, the steering gear in a power steering system is a very critical component. At present, the gear back grinding of the rack for the steering gear is often finished by adopting equipment or manual grinding. The conventional gear back running-in equipment of the rack for the steering gear usually adopts large-scale special machine tool equipment for running-in, the special machine tool equipment is complex to operate, and the equipment cannot be commonly used for racks of different types, so that the running-in variety of machining equipment is single, and the machining cost of the rack is high.
Disclosure of Invention
In order to overcome the defect of the running-in of the rack for the steering gear, the application provides a gear back running-in device of the rack for the steering gear.
The application provides a back of tooth running-in device of rack for steering gear adopts following technical scheme:
a gear back running-in device of a rack for a steering gear comprises a mounting rack, wherein a clamping power device capable of clamping the rack and a fixing assembly for fixing the rack are mounted on the mounting rack, and the clamping power device and the fixing assembly are located on the same axis; the fixed component can move along the axis; the grinding device can move along the axes of the clamping power device and the fixing component, a grinding component is mounted on the grinding device, a compression elastic device capable of adjusting the contact force with the rack is arranged on the grinding component, and a grinder mounting block is arranged at the end part of the grinding component; and the running-in device is provided with an adjusting switch group capable of adjusting the moving direction of the running-in device.
Through adopting above-mentioned technical scheme, through centre gripping power device, fixed subassembly centre gripping rack, thereby the dynamics that thereby enough adjusts running-in subassembly and rack contact through the elasticity of control compression resilient means and then control the dynamics of polishing through adjustable running-in subassembly with the rack contact force, simultaneously through setting up the regulation switch group control running-in device of adjustable running-in device moving direction and carry out the repetitive motion along the rack on centre gripping power device and the axis of fixed subassembly, can adapt to the back of the tooth running-in requirement of different products.
Further: the running-in assembly comprises a connecting shaft, a connecting plate, a running-in guide post and a running-in cylinder, wherein one end of the connecting shaft is connected to the grinder mounting block, the other end of the connecting shaft is connected with one end of the compression elastic device, the other end of the compression elastic device is connected with the connecting plate, a protective cover is arranged on the outer side of the compression elastic device and is connected to the connecting plate, the running-in guide post is arranged on the opposite side surface, located on the compression elastic device, of the connecting plate, and the running-in cylinder is arranged on the running-in guide post; the grinding cylinder is provided with a cylinder column, one end of the cylinder column penetrates through the grinding cylinder, the other end of the cylinder column is connected with the connecting plate, and the exposed end of the cylinder column is provided with a fastening device.
By adopting the technical scheme, the grinding cylinder compresses the connecting plate to extrude the compression elastic device, the grinder mounting block on the connecting shaft is extruded according to the elasticity of the compression elastic device to adjust the contact force between the oilstone and the rack on the grinder mounting block, the descending distance of the connecting plate is displayed by the length of the cylinder column between the fastening device and the compression cylinder so as to display the compression degree of the compression elastic device to calculate the contact force, and then the contact force with the rack is adjusted to further control the grinding force of the oilstone.
Further: the clamping power device is provided with a power source, and the clamping power device is provided with a clamping device capable of clamping the rack.
Through adopting above-mentioned technical scheme, provide the position of centre gripping rack through clamping device, can provide the rotary power of rack through the power supply, reduce the manual work volume.
Further: the mounting frame is provided with a guide rail, the guide rail is the same with the axis direction between the clamping power device and the fixing component, and the fixing component is connected to the guide rail in a sliding mode.
Through adopting above-mentioned technical scheme, fixed subassembly can slide in order to adapt to the demand that multiple rack break-in on the guide rail.
Further: the fixed assembly comprises a tailstock which is connected to the guide rail in a sliding mode, the tailstock is provided with a rotating center matched with the clamping power device, and the tailstock is further connected with a tailstock air cylinder.
By adopting the technical scheme, the rotating center is matched with the clamping power device, one end of the whole rack is clamped by the clamping power device, the other end of the whole rack is propped against the rotating center for fixing, and the power source drives the clamping device to rotate so as to drive the rack to rotate during running-in, so that automatic running-in is formed.
Further: the running-in device comprises a running-in table board, a running-in moving shaft is arranged on the running-in table board along the axial direction of the clamping power device and the fixing assembly, a running-in moving plate capable of sliding along the moving shaft is arranged on the running-in moving shaft, and the running-in moving plate is connected with a running-in motor; the grinding device is characterized by further comprising a guide post penetrating through the grinding moving plate, and the grinding device mounting block is connected to the guide post in a sliding mode.
Through adopting above-mentioned technical scheme, the running-in device passes through the running-in motor control running-in movable plate and moves in the axis direction along centre gripping power device and fixed subassembly at the running-in mesa to drive the running-in subassembly and remove, adjust the distance of running-in with the rack of adaptation different models with this.
Further: the adjustable switch group is located including the switch position regulating plate, be equipped with the switch position regulation hole on the switch position regulating plate, the switch position regulating plate passes through the fixed or slidable mounting of switch position regulation hole on the running-in mesa, be equipped with the proximity switch with the running-in motor intercommunication on the switch position regulating plate.
By adopting the technical scheme, the setting of the adjusting switch group is adopted, and the moving direction of the running-in motor is controlled through the proximity switch so as to control the distance and the moving times of running-in movement, thereby adjusting the progress and the times of running-in.
Further: still be equipped with a slidable positioner on the guide rail, positioner includes certain displacement and moves the seat, install the location cylinder on the location removal seat, location cylinder top is equipped with the locating plate, positioner still is equipped with a mobility control ware.
Through adopting above-mentioned technical scheme, positioner can carry out the location before running-in to the rack, and the reduction manual work of location consumes, and the location cylinder among the positioner adjusts the height of locating plate through the up-and-down motion in order to adapt to the rack that different sizes are right, and slidable positioner can slide along the guide rail, through mobile controller control position, selects the position that the location supported from adapting to different rack models.
Further: the support device comprises a support moving seat, a support lifting rod is arranged on the support moving seat, a plurality of support rotating wheels are arranged on the support lifting rod, and the support device is provided with a moving controller.
Through adopting above-mentioned technical scheme, strutting arrangement plays the supporting role when can running-in to the rack, causes the strong point to cause less fracture or damage when preventing the rack running-in, and the height that supports the lifter among the strutting arrangement through up-and-down motion regulation locating plate is with the rack that adapts to not unidimensional right, and supports the runner and can rotate along with the rack and make things convenient for the running-in.
To sum up, the beneficial effect of this application: the application relates to a gear back running-in device of a rack for a steering gear, which is characterized in that a running-in device is added; running-in components; the dynamics of polishing is adjusted to devices such as regulating switch group, control process of polishing to enable equipment enough adapt to the tooth back running-in requirement of different racks, make the variety that equipment can run-in diversified, reduce the cost of rack processing.
Drawings
FIG. 1 is a schematic perspective view of a rack back running-in apparatus for a steering gear;
FIG. 2 is a schematic perspective view of a running-in assembly of a rack back running-in apparatus for a steering gear, which is connected to a running-in moving plate;
FIG. 3 is an exploded view of a running-in assembly in a rack back running-in apparatus for a steering gear;
FIG. 4 is a rear view of a running-in device in a rack back running-in device for a steering gear;
FIG. 5 is a perspective view of a positioning device in a rack back running-in apparatus for a steering gear;
fig. 6 is a perspective view of a supporting device in a rack back running-in device for a steering gear.
In the figure: 1. a mounting frame; 2. clamping the power device; 21. a power source; 22. a clamping device; 3. a running-in device; 31. running-in the motor; 32. running-in components; 321. running in the guide post; 322. a protective cover; 323. a connecting shaft; 324. compressing the elastic means; 325. a connecting plate; 326. a cylinder column; 327. a fastening device; 328. running-in the cylinder; 33. a grinder mounting block; 34. a regulating switch group; 341. a proximity switch; 342. a switch position adjusting plate; 343. a switch position adjustment hole; 35. running in the movable shaft; 36. running in the table top; 37. a sliding shaft; 38. running in the movable plate; 4. a fixing assembly; 41. a tailstock; 42. rotating the centre; 43. a tailstock cylinder; 5. a guide rail; 6. a positioning device; 61. positioning the air cylinder; 62. positioning a plate; 63. positioning the movable seat; 7. a support device; 71. supporting the lifting rod; 72. supporting the rotating wheel; 73. a support moving seat; 8. a movement controller; 9. a rack.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the application easy to understand, the application is further described in the following with the specific embodiments.
As shown in fig. 1, the application provides a gear back running-in device of rack for steering gear, including mounting bracket 1, install the centre gripping power device 2 that is located same axis and can the centre gripping rack 9 of waiting to run-in on the mounting bracket 1, include power supply 21 and the clamping device 22 that can centre gripping rack 9 on the centre gripping power device 2, power supply 21 provides power for the rotation of rack and drives rack 9 and rotate, power motors such as available step motor or servo motor of power supply 21, clamping device 22 adopts pneumatic claw or pneumatic chuck to treat to run-in rack 9 and carry out the centre gripping usually, power supply 21 is connected through the shaft coupling with clamping device 22.
Wherein, still have on the mounting bracket with the coaxial fixed subassembly 4 of centre gripping power device 2, fixed subassembly 4 includes tailstock 41, is equipped with the rotating centre 42 on the tailstock 41, and tailstock 41 still communicates has a tailstock cylinder 43, and the rotating centre 42 cooperates with the clamping device 22 centre gripping on the centre gripping power device 2 to form rotatory the support of withstanding for rack 9 to this forms automatic running-in. Wherein still have a guide rail 5 on the mount pad, the axis direction between guide rail 5 and centre gripping power device 2 and the fixed subassembly 4 is the same, and fixed subassembly 4 tailstock 41 sliding connection is on guide rail 5, and tailstock 41 sets up and can slide in order to adapt to the demand that multiple rack break-in at guide rail 5.
Still install on the mounting bracket 1 along the axis removal running-in device 3 between centre gripping power device 2 and the fixed subassembly 4, running-in device 3 is equipped with the running-in removal axle 35 that sets up along the axis direction of centre gripping power device 2 and fixed subassembly 4 including running-in mesa 36 on the running-in mesa 36, is equipped with on the running-in removal axle 35 and can follows the gliding running-in movable plate 38 of removal axle to this adjusts the distance of running-in order to adapt to the rack of different models.
As shown in fig. 2, the running-in device 3 includes a guide post 37 passing through a running-in moving plate 38, and the grinder mounting block 33 is slidably coupled to the guide post 37. The grinder mounting block 33 moves along the guide post 37, so that the grinder mounting block 33 is prevented from moving and deviating, and a damaged rack is prevented from being produced during running-in.
As shown in fig. 3, the running-in device 3 further includes a running-in assembly 32, the running-in assembly 32 is disposed on the running-in moving plate 38, the lower end of the running-in assembly 32 is connected to the grinder mounting block 33 at the end of the guide post 37, the running-in assembly 32 includes a connecting shaft 323, one end of the connecting shaft 323 is connected to the grinder mounting block 33, the other end of the connecting shaft 323 is connected to one end of the compression elastic device 324, the running-in assembly further includes a connecting plate 325, the other end of the compression elastic device 324 is connected to the connecting plate 325, a protective cover 322 is disposed outside the compression elastic device 324, the protective cover 322 is connected to the connecting plate 325, a running-in guide post 321 is disposed on the connecting plate 325 on the opposite side of the compression elastic device 324, and a running-in cylinder 328 is disposed on the running-in guide post 321; the break-in cylinder 328 is provided with a cylinder column 326, one end of the cylinder column 326 penetrates through the break-in cylinder 328, the other end of the cylinder column 326 is connected with a connecting plate 325, the exposed end of the cylinder column 326 is provided with a fastening device 327, the exposed end of the cylinder column 326 can be provided with threads, the fastening device 327 can be a nut, the break-in cylinder 328 downwards compresses the connecting plate 325 along a break-in guide column 321 to compress the compression elastic device 324, the protective cover 322 outside the compression elastic device 324 can protect the compression elastic device 324 from external force, the compression elastic device 324 displays the compression distance of the compression elastic device 324 through the fastening device 327 on the cylinder column 326 penetrating through the break-in cylinder 328 and connected with the connecting plate 325, meanwhile, the compression distance of the compression elastic device 324 is limited through screwing the fastening device 327, the compression elastic device 324 can be a compressed elastic component such as a spiral spring, a pneumatic spring and the like, and therefore, the break-in on the mounting block 33 can be calculated according to the elastic coefficient of the mounted compression elastic device 324 through hooke law The contact force of the oilstone and the rack is used for controlling the running-in force, so that different running-in requirements are met.
As shown in fig. 4, an adjusting switch set 34 capable of adjusting the moving direction of the running-in device 3 is installed on the running-in device 3, the adjusting switch set 34 is located on a switch position adjusting plate 342, a switch position adjusting hole 343 is provided on the switch position adjusting plate 342, the switch position adjusting plate 342 is slidably connected to the running-in table 36 through the switch position adjusting hole 343, the adjusting switch set 34 can be set into two groups which can be respectively arranged on both sides of the running route of the running-in device 3, a proximity switch 341 is provided on the switch position adjusting plate 342, after the distance required for running-in is calculated through the running-in device 3, and the switch position adjusting plate 342 slides on the switch position adjusting hole 343 in the moving direction of the running-in device 3 to preset the position of the proximity switch 341 on the switch position adjusting plate 342, so that the running-in device 3 touches the proximity switch 341 and controls the running-in motor 31 connected with the proximity switch 341 through a PLC controller to rotate and control the running-in reverse motion of the running-in device 3, the reverse running-in is repeated, so that the gear back running-in requirements of different products can be met. In another embodiment, the running-in device 3 can be fixed on the side portion or the upper surface of the running-in table 36, and a set of adjusting switches 34 is arranged, and when the set is arranged, the running direction of the running-in motor 31 can be controlled and controlled through the manual proximity switch 341.
As shown in fig. 1 and 5, the guide rail 5 is further provided with a slidable positioning device 6; the positioning device 6 comprises a fixed displacement moving seat 63; the positioning moving seat 63 is provided with a positioning cylinder 61, the top end of the positioning cylinder 61 is provided with a positioning plate 62, and the positioning device 6 is further provided with a moving controller 8. The positioning device 6 is used for positioning the rack before running-in according to the size and the size of the rack, the positioning cylinder 61 in the positioning device adjusts the height of the positioning plate through up-and-down movement so as to adapt to the racks with different size pairs, the rack to be run-in is placed on the positioning plate 62 after the positioning cylinder 61 is adjusted, then the rotating tip on the fixing assembly is fixed, the positioning plate 62 descends through the positioning cylinder 61 for processing, and the positioning device 6 can reduce labor consumption during positioning.
As shown in fig. 1 and 6, the guide rail 5 is further provided with a slidable supporting device 7; the supporting device comprises a supporting moving seat 73, a supporting lifting rod 71 is arranged on the supporting moving seat 73, and two or more supporting rotating wheels 72 are arranged on the supporting lifting rod 71. The supporting device 7 is provided with a mobile controller 8 which can support the rack by the supporting lifting rod 71 to lift so that the supporting rotating wheel 72 can support the rack when the rack is in running-in, thereby preventing the rack from being broken or damaged due to less supporting points when the rack is in running-in.
The principle process is as follows: firstly, a positioning device 6 extends out of a positioning plate 62 according to the size and the dimension of a rack 9 to be run-in, then a positioning moving seat 63 is controlled by a moving controller 8 to slide on a guide rail 5 to ensure that the position of the positioning device 6 is positioned below the teeth of the rack 9, then the end part of the flat tooth end of the rack 9 extends into a clamping device 22, the flat tooth body is arranged on the positioning plate 62, then a rotating tip 42 is pushed against the rack 9 by sliding a tail seat 41 on a fixed assembly 4 on the guide rail 5, then the position of a supporting device 7 on the guide rail 5 is controlled by the moving controller 8, then a supporting lifting rod 71 of the supporting device 7 is controlled to lift so that a supporting wheel 72 supports the rack 9, then the distance of a switch position adjusting plate 342 in two groups 34 on a run-in table surface 36 is adjusted according to the distance to be run-in of the rack 9, then the position of a fastening device 327 above a cylinder column 326 is controlled to be screwed, thereby limiting the compression distance of the compression elastic device 324 by a fastening device 327 connected with a connecting plate 325 and penetrating through a cylinder column 326 of a running-in cylinder 328, calculating the contact force according to the length between the fastening device 327 and the cylinder column 326 of the running-in cylinder 328, then controlling the running-in cylinder 328 to control the connecting plate 325 to move downwards along a running-in guide column 321, thereby compressing the compression elastic device 324 and a mounting block 33, then controlling the rotating angle by a starting power source 21 connected with a PLC (programmable logic controller), then rotating a rack, running in the rack through a oilstone on a grinder mounting block 33, wherein a running-in motor 31 connected with the PLC is also started, a running-in moving plate 38 slides along a running-in moving shaft 35 through the running-in motor 31, and then the running-in moving plate 38 on the running-in device 3 touches a proximity switch 341 on a switch position adjusting plate 342, thereby enabling the running-in motor 31 to rotate and controlling the reverse motion of the running-in device 3, the reverse running-in is repeated, and then the compression distance of the compression elastic device 324 can be adjusted according to the position of the fastening device 327 at any time to adjust the contact force and adjust the position of the switch position adjusting plate 342 to adjust the running-in distance and the running-in times.
While there have been shown and described what are at present considered the fundamental principles and essential features of the application and its advantages, it will be apparent to those skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics of the application. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A gear back running-in device of a rack for a steering gear, which is used for running-in the rack (9), comprises a mounting rack (1) and is characterized in that: the rack clamping device is characterized in that a clamping power device (2) capable of clamping a rack (9) and a fixing assembly (4) capable of fixing the rack (9) are mounted on the mounting rack (1), the clamping power device (2) and the fixing assembly (4) are located on the same axis, and the fixing assembly (4) can move along the axis; the grinding device (3) can move along an axis between the clamping power device (2) and the fixing component (4), the grinding component (32) is mounted on the grinding device (3), a compression elastic device (324) capable of adjusting contact force with the rack (9) is arranged on the grinding component (32), and a grinder mounting block (33) is arranged at the end part of the grinding component (32); and an adjusting switch group (34) capable of adjusting the moving direction of the running-in device (3) is arranged on the running-in device (3).
2. A rack back running-in apparatus for a steering rack according to claim 1, wherein: the running-in assembly (32) comprises a connecting shaft (323), one end of the connecting shaft (323) is connected to the grinder mounting block (33), the other end of the connecting shaft (323) is connected with one end of the compression elastic device (324), the running-in assembly further comprises a connecting plate (325), the other end of the compression elastic device (324) is connected to the connecting plate (325), a protective cover (322) is arranged on the outer side of the compression elastic device (324), the protective cover (322) is connected to the connecting plate (325), a running-in guide column (321) is arranged on the connecting plate (325) and located on the opposite side face of the compression elastic device (324), and the running-in assembly further comprises a running-in cylinder (328) arranged on the running-in guide column (321); the grinding-in air cylinder (328) is provided with an air cylinder column (326), one end of the air cylinder column (326) penetrates through the grinding-in air cylinder (328), the other end of the air cylinder column (326) is connected with the connecting plate (325), and the exposed end of the air cylinder column (326) is provided with a fastening device (327).
3. A rack back running-in apparatus for a steering rack according to claim 1, wherein: the clamping power device (2) further comprises a power source (21), and a clamping device (22) capable of clamping the rack (9) is arranged on the clamping power device (2).
4. A rack back running-in apparatus for a steering rack according to claim 1, wherein: be equipped with a guide rail (5) on mounting bracket (1), axis direction between guide rail (5) and centre gripping power device (2) and fixed subassembly (4) is the same, fixed subassembly (4) sliding connection is on guide rail (5).
5. A rack back running-in apparatus for a steering rack according to claim 4, wherein: the fixed component (4) comprises a tailstock (41) which is connected to the guide rail (5) in a sliding mode, a rotating tip (42) matched with the clamping power device (2) is arranged on the tailstock (41), and the tailstock (41) is further connected with a tailstock air cylinder (43).
6. A rack back running-in apparatus for a steering rack according to claim 1, wherein: the running-in device (3) comprises a running-in table board (36), a running-in moving shaft (35) arranged along the axial direction between the clamping power device (2) and the fixed component (4) is arranged on the running-in table board (36), a running-in moving plate (38) capable of sliding along the moving shaft is arranged on the running-in moving shaft (35), and the running-in moving plate (38) is connected with a running-in motor (31); the grinding machine further comprises a guide column (37) penetrating through the grinding moving plate (38), and the grinding machine mounting block (33) is connected to the guide column (37) in a sliding mode.
7. A rack back running-in apparatus for a steering rack according to claim 6, wherein: the adjusting switch group (34) comprises a switch position adjusting plate (342), a switch position adjusting hole (343) is formed in the switch position adjusting plate (342), the switch position adjusting plate (342) is fixedly or slidably mounted on a running-in table board (36) through the switch position adjusting hole (343), and a proximity switch (341) communicated with a running-in motor (31) is arranged on the switch position adjusting plate (342).
8. A rack back running-in apparatus for a steering rack according to claim 4, wherein: still be equipped with a slidable positioner (6) on guide rail (5), positioner (6) are including certain displacement removal seat (63), install location cylinder (61) on location removal seat (63), location cylinder (61) top is equipped with locating plate (62), positioner (6) still are equipped with mobile control ware (8).
9. A rack back running-in apparatus for a steering rack according to claim 4, wherein: the automatic lifting device is characterized in that a slidable supporting device (7) is further arranged on the guide rail (5), the supporting device (7) comprises a supporting moving seat (73), a supporting lifting rod (71) is arranged on the supporting moving seat (73), a plurality of supporting rotating wheels (72) are arranged on the supporting lifting rod (71), and the supporting device (7) is provided with a moving controller (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276684.4A CN113997162A (en) | 2021-10-29 | 2021-10-29 | Gear back running-in device of rack for steering gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276684.4A CN113997162A (en) | 2021-10-29 | 2021-10-29 | Gear back running-in device of rack for steering gear |
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| CN113997162A true CN113997162A (en) | 2022-02-01 |
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| CN202111276684.4A Pending CN113997162A (en) | 2021-10-29 | 2021-10-29 | Gear back running-in device of rack for steering gear |
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Application publication date: 20220201 |