CN215280184U - Gear hobbing mechanism for headrest rod of automobile seat - Google Patents
Gear hobbing mechanism for headrest rod of automobile seat Download PDFInfo
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- CN215280184U CN215280184U CN202121713863.5U CN202121713863U CN215280184U CN 215280184 U CN215280184 U CN 215280184U CN 202121713863 U CN202121713863 U CN 202121713863U CN 215280184 U CN215280184 U CN 215280184U
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- seat
- hobbing
- clamping
- assembly
- lifting
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Abstract
The utility model discloses a hobbing mechanism for a headrest rod of an automobile seat, which comprises a frame, a hobbing component arranged on the frame, a clamping component arranged at the front end of the hobbing component, and a lifting component arranged at the lower end of the clamping component; the lifting assembly comprises a lifting seat and a first driving module, the lifting seat is arranged in a slidable mode along the direction from the hobbing assembly to the clamping assembly, the first driving module is used for driving the lifting seat to slide, and a first inclined surface is arranged at the upper portion of the lifting seat; the clamping component lower part is equipped with the sliding seat, and the sliding seat lower part has the second inclined plane, and the extending direction on first inclined plane and second inclined plane is parallel to each other, and the sliding seat passes through second inclined plane slidable and locates on the lifting seat. The utility model discloses a gear hobbing mechanism, through setting up lifting seat and sliding seat, at the slip in-process of lifting seat, the sliding seat can realize going up and down at the relative motion in-process on first inclined plane and second inclined plane, and simple structure, lifting are stable and the tooth's socket precision of processing out is high.
Description
Technical Field
The utility model relates to a gear hobbing mechanism for car seat headrest pole.
Background
In the manufacturing process of the headrest rod for the seat of the automobile, it is generally necessary to perform hobbing on the headrest rod. The existing gear hobbing machine comprises a gear hobbing mechanism and a clamping mechanism, wherein a headrest rod is clamped through the clamping mechanism, and then a tooth socket is rolled out on the headrest rod through a toothed cutter which reciprocates on the gear hobbing mechanism.
Because the depth of tooth grooves of headrest rods required by different seats is different, in order to control the depth of the processed tooth grooves, the conventional gear hobbing machine is generally provided with an air cylinder for lifting a clamping mechanism, and a piston rod of the air cylinder stretches to drive the clamping mechanism to lift so as to realize the adjustment of the distance between the clamping mechanism and a serrated knife.
However, the cylinder lifting and clamping mechanism is poor in stability, and the machined tooth socket is low in precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide a gear hobbing mechanism for car seat headrest pole.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a gear hobbing mechanism for an automobile seat headrest rod comprises a rack, a gear hobbing assembly arranged on the rack, a clamping assembly arranged at the front end of the gear hobbing assembly, and a lifting assembly arranged at the lower end of the clamping assembly;
the lifting assembly comprises a lifting seat and a first driving module, the lifting seat is slidably arranged along the direction from the hobbing assembly to the clamping assembly, the first driving module is used for driving the lifting seat to slide, and a first inclined surface is arranged at the upper part of the lifting seat;
the clamping component lower part is equipped with the sliding seat, the sliding seat lower part has the second inclined plane, first inclined plane with the extending direction on second inclined plane is parallel to each other, the sliding seat passes through second inclined plane slidable locates on the lifting seat.
Preferably, the first inclined surface and the second inclined surface are respectively provided to be inclined downward along a sliding direction of the lift seat.
Preferably, the first driving module comprises a screw rod rotatably arranged around the axis direction of the first driving module, a nut in threaded connection with the screw rod, and a first motor for driving the screw rod to rotate, the rotating axis of the screw rod extends along the sliding direction of the lifting seat, and the lifting seat is sleeved on the screw rod and is connected with the nut.
Preferably, the clamping assembly includes a clamping seat disposed on the sliding seat, a clamping groove disposed on the clamping seat, a first clamping block disposed on a groove wall of one side of the clamping groove, a second clamping block slidably disposed on the clamping seat along a direction close to or away from the first clamping block, and a second driving module for driving the second clamping block to slide.
Further preferably, the clamping assembly further comprises an avoidance port which is arranged on the clamping seat and is positioned below the clamping groove.
Further preferably, the hobbing mechanism further comprises a limiting component arranged at one end of the clamping component far away from the hobbing component, the limiting component comprises a limiting seat and a limiting block arranged on the limiting seat, and one end of the limiting block abuts against the side part of the clamping seat.
Preferably, the hobbing assembly comprises a sliding plate slidably arranged on the frame along the direction from the hobbing assembly to the clamping assembly, a third driving module for driving the sliding plate to slide, a hobbing base connected to the sliding plate, a first rotating shaft rotatably arranged on the hobbing base around the axial direction of the first rotating shaft, and a plurality of serrated knives arranged on the first rotating shaft at intervals, wherein the rotating axis of the first rotating shaft extends along the direction perpendicular to the sliding direction of the sliding plate.
Further preferably, the third driving module comprises a deflection wheel rotatably arranged on the frame, a second motor for driving the deflection wheel to rotate, and a crank rod with one end eccentrically connected with the deflection wheel, the bottom of the sliding plate is provided with a bearing seat, and the other end of the crank rod is hinged with the bearing seat.
Preferably, the hobbing assembly further comprises a connecting block arranged at the end part of the sliding plate, the length direction of the connecting block is perpendicular to the sliding direction of the sliding plate, the section of the connecting block in the width direction is trapezoidal, the shorter side of the trapezoidal connecting block is connected with the sliding plate, a connecting groove with two open ends matched with the connecting block is formed in the hobbing base, the connecting block is clamped in the connecting groove, and the long side of the trapezoidal connecting block is attached to the groove bottom of the connecting groove.
Further preferably, the hobbing assembly further comprises a top block arranged on the sliding plate and used for abutting against the hobbing base.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a gear hobbing mechanism, through setting up lifting seat and sliding seat, at the slip in-process of lifting seat, the sliding seat can realize going up and down at the relative motion in-process on first inclined plane and second inclined plane, and simple structure, lifting are stable and the tooth's socket precision of processing out is high.
Drawings
Fig. 1 is a schematic structural diagram 1 of a hobbing mechanism in an embodiment of the present invention;
fig. 2 is a schematic structural diagram 2 of a hobbing mechanism in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a gear hobbing mechanism including a grabbing robot and a blanking frame in the embodiment of the present invention.
In the figure: 1. a frame; 2. lifting the seat; 3. a first driving module; 3a, a screw rod; 3b, a nut; 3c, a first motor; 4. a sliding seat; 5. a clamping seat; 6. a clamping groove; 7. a first clamping block; 8. a second clamp block; 9. a second driving module; 10. avoiding the mouth; 11. a limiting seat; 12. a limiting block; 13. a sliding plate; 14. a third driving module; 14a, a deflection wheel; 14b, a crank lever; 15. a gear hobbing base; 15a, a connecting part; 15b, a hobbing section; 16. a first rotating shaft; 17. a bearing seat; 18. connecting blocks; 19. connecting grooves; 20. a top block; 21. a first guide rail; 22. a second guide rail; 23. a third guide rail; 24. a support; 25. a bearing seat; 26. a second rotating shaft; 27. a belt pulley; 28. a grabbing robot; 29. and a blanking frame.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
The utility model relates to an improvement to the hobbing mechanism of car seat headrest pole, the hobbing mechanism after the improvement, through setting up lifting seat 2 and sliding seat 4, at the slip in-process on lifting seat 2, sliding seat 4 can realize going up and down in the relative motion in-process on first inclined plane and second inclined plane, and simple structure, lifting are stable and the tooth's socket precision of processing out is high.
Referring to fig. 1-3, a hobbing mechanism for a headrest rod of a car seat is shown, which comprises a frame 1, a hobbing assembly arranged on the frame 1, a clamping assembly arranged at the front end of the hobbing assembly, and a lifting assembly arranged at the lower end of the clamping assembly. The clamping assembly is used for clamping a headrest rod, the hobbing assembly is used for hobbing a tooth socket on the headrest rod, and the lifting assembly is used for lifting or lowering the distance between the clamping assembly and the hobbing assembly so as to control the depth of the machined tooth socket. In this example, the frame 1 is a closed casing, a material taking window is arranged on the side of the casing, and the clamping assembly, the hobbing assembly and the lifting assembly are respectively arranged in the casing and are used for feeding and discharging materials from the material taking window.
The lifting assembly comprises a lifting seat 2 arranged in a sliding manner along the direction from the hobbing assembly to the clamping assembly, and a first driving module 3 used for driving the lifting seat 2 to slide, wherein the upper part of the lifting seat 2 is provided with a first inclined surface; clamping component lower part is equipped with sliding seat 4, and sliding seat 4 lower part has the second inclined plane, and the extending direction on first inclined plane and second inclined plane is parallel to each other, and sliding seat 4 passes through second inclined plane slidable and locates on the lifting seat 2. In this example, the first inclined surface and the second inclined surface are provided to be inclined downward in the sliding direction of the lift base 2, respectively.
Therefore, the first driving module 3 drives the lifting seat 2 to slide back and forth along the direction from the hobbing assembly to the clamping assembly, when the lifting seat 2 moves towards the direction close to the clamping assembly, the second inclined surface gradually rises along the inclined direction of the first inclined surface, and then the clamping assembly is driven to rise, so that the distance between the clamping assembly and the hobbing mechanism is reduced, and the depth of the finally processed tooth socket is larger; and when the lifting seat 2 moves towards the direction far away from the clamping component, the second inclined plane gradually descends along the inclined direction of the first inclined plane, so that the clamping component is driven to descend, the distance between the clamping component and the gear hobbing mechanism is increased, and the depth of the finally processed tooth groove is smaller.
The first driving module 3 comprises a screw rod 3a which is rotatably arranged around the axis line direction of the first driving module, a nut 3b which is in threaded connection with the screw rod 3a, and a first motor 3c which is used for driving the screw rod 3a to rotate, wherein the first motor 3c is a servo motor and can drive the screw rod 3a to rotate in a reciprocating manner. The rotation axis of the screw rod 3a extends along the sliding direction of the lifting seat 2, and the lifting seat 2 is sleeved on the screw rod 3a and is connected with the nut 3 b.
In this embodiment, the hobbing mechanism further includes a first guide rail 21 disposed on the rack 1 along the sliding direction of the lifting seat 2, and a second guide rail 22 disposed on the first inclined surface along the extending direction of the first inclined surface, the lifting seat 2 is slidably disposed on the first guide rail 21, and the sliding seat 4 is slidably disposed on the second guide rail 22.
The clamping assembly comprises a clamping seat 5 arranged on the sliding seat 4, a clamping groove 6 arranged on the clamping seat 5, a first clamping block 7 arranged on the groove wall on one side of the clamping groove 6, a second clamping block 8 arranged on the clamping seat 5 in a slidable manner along the direction close to or far away from the first clamping block 7, and a second driving module 9 used for driving the second clamping block 8 to slide. Here, the second driving module 9 is an oil cylinder, and when clamping, one end of the headrest rod is inserted into the clamping groove 6 and abuts against the first clamping block 7, and then the oil cylinder drives the second clamping block 8 to move and presses one end of the headrest rod against the first clamping block 7, so that the clamping of the headrest rod is realized.
Preferably, the clamping assembly further comprises an escape opening 10 opened on the clamping seat 5 and located below the clamping groove 6. Because the headrest rod is a U-shaped rod, when one end of the headrest rod is machined, the avoidance port 10 can be arranged to accommodate the other end of the headrest rod conveniently, and the other end of the headrest rod is prevented from being directly abutted against the clamping seat 5 and damaged in the machining process.
In this embodiment, the hobbing mechanism further comprises a limiting component which is arranged on the clamping component and is far away from one end of the hobbing component, the limiting component comprises a limiting seat 11 and a limiting block 12 which is arranged on the limiting seat 11, and one end of the limiting block 12 abuts against the side part of the clamping seat 5. The side part of the clamping seat 5 is propped against the limiting block 12, so that the clamping seat 5 is prevented from deviating in the lifting process, and the processing effect is ensured.
The hobbing assembly comprises a sliding plate 13 arranged on the machine frame 1 and capable of sliding along the direction from the hobbing assembly to the clamping assembly, a third driving module 14 used for driving the sliding plate 13 to slide, a hobbing base 15 connected to the sliding plate 13, a first rotating shaft 16 arranged on the hobbing base 15 and capable of rotating around the axis direction of the first rotating shaft, and a plurality of serrated knives arranged on the first rotating shaft 16 at intervals, wherein the rotating axis of the first rotating shaft 16 extends along the sliding direction vertical to the sliding plate 13.
Further, the third driving module 14 includes a deflection wheel 14a rotatably disposed on the frame 1, a second motor for driving the deflection wheel 14a to rotate, and a crank rod 14b with one end eccentrically connected to the deflection wheel 14a, the bottom of the sliding plate 13 is provided with a bearing seat 17, and the other end of the crank rod 14b is hinged to the bearing seat 17.
In this example, the frame 1 is further provided with a third rail 23 provided along the sliding direction of the sliding plate 13, and the carriage 17 is slidably provided on the third rail 23.
During gear hobbing, the second motor drives the deviation wheel 14a to rotate, the deviation wheel 14a drives the crank rod 14b to eccentrically rotate, the crank rod 14b drives the sliding plate 13 to slide in a reciprocating mode, the sliding plate 13 drives the gear hobbing base 15 to reciprocate, and in the process of reciprocating motion of the gear hobbing base 15, the tooth cutter can roll out a tooth socket with a certain depth on the headrest rod.
Further, the third driving module 14 further includes a support 24, a bearing seat 25 disposed on the support 24, and a second rotating shaft 26 inserted into the bearing seat 25, one end of the second rotating shaft 26 is connected to the deflection pulley 14a, and the other end is sleeved with a belt pulley 27, and the belt pulley 27 is in transmission connection with an output shaft of the second motor through a belt.
Preferably, the hobbing assembly further comprises a connecting block 18 arranged at the end of the sliding plate 13, the length direction of the connecting block 18 is perpendicular to the sliding direction of the sliding plate 13, the section of the connecting block 18 in the width direction is trapezoidal, the short side of the trapezoidal connecting block is connected with the sliding plate 13, a connecting groove 19 which is matched with the connecting block 18 and is provided with openings at two ends is formed in the hobbing base 15, the connecting block 18 is embedded in the connecting groove 19 in a clamping manner, and the long side of the trapezoidal connecting block is attached to the groove bottom of the connecting groove 19. So, through the cooperation of connecting block 18 and spread groove 19 for gear box 15 can be convenient for change, and gear box 15 and connecting block 18's joint effect can be guaranteed to trapezoidal structure. When the wear of the cutter is serious after long-term use, the hobbing base 15 is slid out along the sliding direction of the connecting block 18 and is taken down, and then a new hobbing base 15 is replaced.
In this example, a connecting plate is further provided on the side of the gear hobbing base 15, and the gear hobbing base 15 is connected with the connecting plate 27 through bolts.
Further, the hobbing base 15 includes a connecting portion 15a and a hobbing portion 15b which are integrally formed, the first rotating shaft 16 and the cutter are provided on the hobbing portion 15b, and the connecting groove 19 is opened at a side portion of the connecting portion 15 a. When the hobbing base 15 is disassembled, the bolt is unscrewed, and the hobbing base 15 slides down from the connecting plate; when the installation is carried out, the hobbing base 15 is sleeved on the connecting block 18 from an opening at one end of the hobbing base and slides to the connecting block, and then the bolt is tightened.
Further, the hobbing assembly further includes a top block 20 provided on the sliding plate 13 for abutting against the upper side of the connecting portion 15 a. The arrangement of the top block 20 ensures that the roller block 15 does not tip over in the direction of the slide plate 13 during the reciprocating movement.
In the present embodiment, as shown in fig. 3, the hobbing mechanism further includes a gripping robot 28 for gripping and feeding the headrest rods into the clamping assembly, and a blanking frame 29 for blanking, which are movable in multiple axes.
The following specifically explains the working process of this embodiment: the grabbing robot 28 grabs the headrest rod and inserts one end of the headrest rod into the clamping groove 6 and abuts against the first clamping block 7, and the second driving module 9 drives the second clamping block 8 to move and abuts against one end of the headrest rod on the first clamping block 7; the first driving module 3 drives the lifting seat 2 to slide, and the lifting seat 2 drives the clamping assembly to lift and adjust the distance between the clamping assembly and the hobbing assembly; the third driving module 14 drives the sliding plate 13 to slide back and forth, drives the toothed cutter to roll out a tooth socket meeting the requirement on the headrest rods, namely, the gear hobbing process is completed, and then the grabbing robot 28 takes out the machined headrest rods and places the machined headrest rods on the blanking rack 29.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a gear hobbing mechanism for car seat headrest pole which characterized in that: the device comprises a rack, a hobbing assembly arranged on the rack, a clamping assembly arranged at the front end of the hobbing assembly, and a lifting assembly arranged at the lower end of the clamping assembly;
the lifting assembly comprises a lifting seat and a first driving module, the lifting seat is slidably arranged along the direction from the hobbing assembly to the clamping assembly, the first driving module is used for driving the lifting seat to slide, and a first inclined surface is arranged at the upper part of the lifting seat;
the clamping component lower part is equipped with the sliding seat, the sliding seat lower part has the second inclined plane, first inclined plane with the extending direction on second inclined plane is parallel to each other, the sliding seat passes through second inclined plane slidable locates on the lifting seat.
2. The hobbing mechanism for a headrest rod of an automobile seat according to claim 1, characterized in that: the first inclined plane and the second inclined plane are respectively arranged along the sliding direction of the lifting seat in a downward inclined mode.
3. The hobbing mechanism for a headrest rod of an automobile seat according to claim 1, characterized in that: the first driving module comprises a screw rod, a screw thread and a nut, wherein the screw rod is rotatably arranged around the axis direction of the first driving module, the screw thread is connected to the nut on the screw rod, the first driving module is used for driving the first motor of the screw rod, the rotating axis of the screw rod extends along the sliding direction of the lifting seat, and the lifting seat is sleeved on the screw rod and is connected with the nut.
4. The hobbing mechanism for a headrest rod of an automobile seat according to claim 1, characterized in that: the clamping assembly comprises a clamping seat arranged on the sliding seat, a clamping groove arranged on the clamping seat, a first clamping block arranged on the groove wall on one side of the clamping groove, a second clamping block arranged on the clamping seat in a slidable manner along the direction close to or far away from the first clamping block, and a second driving module used for driving the second clamping block to slide.
5. The hobbing mechanism for a headrest rod of an automobile seat according to claim 4, characterized in that: the clamping assembly further comprises an avoidance port which is arranged on the clamping seat and is positioned below the clamping groove.
6. The hobbing mechanism for a headrest rod of an automobile seat according to claim 4, characterized in that: the hobbing mechanism further comprises a limiting assembly arranged on the clamping assembly, wherein the limiting assembly is far away from one end of the hobbing assembly, the limiting assembly comprises a limiting seat and a limiting block arranged on the limiting seat, and one end of the limiting block is abutted to the side part of the clamping seat.
7. The hobbing mechanism for a headrest rod of an automobile seat according to claim 1, characterized in that: the hobbing assembly comprises a sliding plate, a third driving module, a hobbing seat, a first rotating shaft and a plurality of serrated knives, wherein the sliding plate is arranged on the rack in a slidable mode along the direction from the hobbing assembly to the clamping assembly, the third driving module is used for driving the sliding plate to slide, the hobbing seat is connected to the sliding plate, the first rotating shaft is rotatably arranged on the hobbing seat around the axis direction of the first rotating shaft, the serrated knives are arranged on the first rotating shaft at intervals, and the rotating axis of the first rotating shaft extends along the sliding direction vertical to the sliding plate.
8. The hobbing mechanism for a headrest rod of an automobile seat according to claim 7, characterized in that: the third driving module comprises a deflection wheel which is rotatably arranged on the rack, a second motor used for driving the deflection wheel to rotate, and a crank rod of which one end is eccentrically connected with the deflection wheel, a bearing seat is arranged at the bottom of the sliding plate, and the other end of the crank rod is hinged with the bearing seat.
9. The hobbing mechanism for a headrest rod of an automobile seat according to claim 7, characterized in that: the hobbing component further comprises a connecting block arranged at the end part of the sliding plate, the length direction of the connecting block is perpendicular to the sliding direction of the sliding plate, the section of the connecting block in the width direction is trapezoidal, the trapezoidal short side of the connecting block is connected with the sliding plate, a connecting groove with two open ends is formed in the hobbing seat, the connecting block is clamped in the connecting groove, and the trapezoidal long side of the connecting block is attached to the groove bottom of the connecting groove.
10. The hobbing mechanism for a headrest rod of an automobile seat according to claim 7, characterized in that: the hobbing component also comprises a top block which is arranged on the sliding plate and used for propping against the hobbing base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121713863.5U CN215280184U (en) | 2021-07-27 | 2021-07-27 | Gear hobbing mechanism for headrest rod of automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121713863.5U CN215280184U (en) | 2021-07-27 | 2021-07-27 | Gear hobbing mechanism for headrest rod of automobile seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215280184U true CN215280184U (en) | 2021-12-24 |
Family
ID=79524563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121713863.5U Active CN215280184U (en) | 2021-07-27 | 2021-07-27 | Gear hobbing mechanism for headrest rod of automobile seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215280184U (en) |
-
2021
- 2021-07-27 CN CN202121713863.5U patent/CN215280184U/en active Active
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