Nut assembling mechanism and gasket and nut assembling equipment for hub assembling

Abstract

The utility model discloses a nut assembly mechanism and washer and nut assembly equipment for hub assembly, the nut assembly mechanism clamps a nut through a nut clamping mechanism, and the nut clamping mechanism is connected to the lower end of a rotating shaft and can lift and rotate along with the rotating shaft; meanwhile, the device can horizontally move under the action of a horizontal driver; the automatic nut grabbing and screwing device can automatically grab nuts, automatically move the nuts to the working position and automatically screw the nuts, and has the advantages of being simple in structure and high in efficiency. According to the gasket and nut assembling equipment for hub assembling, automatic gasket feeding, automatic gasket assembling, automatic nut feeding and automatic nut assembling in the hub assembling process can be achieved, and the gasket and nut assembling equipment has the advantages of being high in automation degree and working efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to nut assembly mechanism, the utility model discloses still be used for the grommet and nut assembly equipment of hub assembly. BACKGROUND

[0002] The hub is the important part of bicycle, and the basic structure of the hub includes hub shell, screw rod, round nut, ball, gasket, nut and other components. In the assembly process of the hub, the gasket is first assembled and then the nut is screwed. In order to realize automatic work, the company develops the nut assembly mechanism suitable for hub assembly according to the characteristics of the hub. CONTENT OF UTILITY MODEL

[0003] According to the above-mentioned, in order to realize the automatic assembly of the nut, the company develops the nut assembly mechanism suitable for hub assembly according to the characteristics of the hub. The utility model adopts the technical scheme: the nut assembly mechanism includes support, horizontal sliding seat, horizontal driver, positioning seat, rotating shaft, lifting driver, rotating drive assembly and nut clamping mechanism. The horizontal sliding seat is connected on the support in the horizontal direction. The horizontal driver is arranged on the support to drive the horizontal sliding seat to slide in the horizontal direction. The positioning seat is connected on the horizontal sliding seat. The rotating shaft is rotatably connected on the positioning seat and can slide up and down relative to the positioning seat. The lifting driver is arranged on the positioning seat to drive the rotating shaft to lift relative to the positioning seat. The rotating drive assembly is arranged on the support to drive the rotating shaft to rotate. The nut clamping mechanism is arranged at the lower end of the rotating shaft to clamp the nut.

[0004] The nut assembly mechanism as described above, the nut clamping mechanism includes: a jaw cylinder and two clamping arms connected to the actuating end of the jaw cylinder. The two clamping arms are symmetrically arranged relative to each other. The lower end of the clamping arm is provided with a positioning groove matching the nut.

[0005] The nut assembly mechanism as described above, the positioning groove includes: a top surface, a flat surface and an arc-shaped positioning surface. The top surface is in contact with the upper end of the nut. The flat surface is in contact with the side surface of the nut. The arc-shaped positioning surface is in contact with the outer ring of the nut.

[0006] The nut assembly mechanism as described above, the positioning seat is provided with an upper positioning ring and a lower positioning ring. The rotating shaft is rotatably connected between the upper positioning ring and the lower positioning ring and can lift relative to the upper positioning ring and the lower positioning ring.

[0007] The nut assembly mechanism as described above, the rotating shaft is provided with an upper limit ring matched with the upper positioning ring and a lower limit ring matched with the lower positioning ring.

[0008] The nut assembly mechanism as described above, the rotating drive assembly comprises: a first pulley, a second pulley, a synchronous belt and a drive motor, the drive motor is arranged on the positioning seat, the second pulley is arranged on the output shaft of the drive motor, the first pulley is sleeved on the rotating shaft, the synchronous belt is wound between the first pulley and the second pulley, the first pulley is located between the upper positioning ring and the lower positioning ring, the first pulley is provided with a positioning key, and the rotating shaft is provided with a sliding groove matched with the positioning key, so that the rotating shaft can slide up and down relative to the first pulley and can rotate with the first pulley.

[0009] The nut assembly mechanism as described above, the lifting drive is a lifting cylinder arranged on the positioning seat, and the piston rod of the lifting cylinder is connected with the upper end of the rotating shaft.

[0010] The nut assembly mechanism as described above, the lifting cylinder is provided with a buffer damper between the piston rod and the upper end of the rotating shaft.

[0011] The nut assembly mechanism as described above, the nut assembly mechanism is arranged on the rack and used for assembling nuts to the hub.

[0012] The nut assembly mechanism as described above, the nut assembly mechanism is arranged on the rack and used for assembling nuts to the hub.

[0013] 1、The nut assembly mechanism of the utility model can clamp nuts through the nut clamping mechanism, the nut clamping mechanism is connected to the lower end of the rotating shaft 15, can ascend and rotate with the rotating shaft, and can also move horizontally under the action of the horizontal drive, so that the automatic grabbing, automatic moving to the working position and automatic screwing of nuts can be realized, and the utility model has the advantages of simple structure and high efficiency.

[0014] 2、The nut assembly mechanism of the utility model can realize the automatic feeding, automatic assembly of the gasket, automatic feeding and automatic assembly of the nut in the hub assembly process, and has the advantages of high automation degree and high working efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the nut assembly mechanism of the utility model;

[0016] Figure 2 It is Figure 1An enlarged view of part A marked with a middle mark;

[0017] Figure 3 A structure diagram of a nut assembly mechanism (hidden part components) of the utility model;

[0018] Figure 4 A Figure 3 An enlarged view of part B marked with a middle mark;

[0019] Figure 5 An exploded structure diagram of the nut assembly mechanism of the utility model;

[0020] Figure 6 A top view diagram of the nut assembly equipment for the hub assembly of the utility model. DETAILED DESCRIPTION

[0021] The embodiments of the utility model will be described in detail below with reference to the drawings.

[0022] As Figures 1 to 6 shown, the nut assembly mechanism 1 of the embodiment comprises a support 11, a horizontal sliding seat 12, a horizontal driver 13 (the horizontal driver can be a pneumatic cylinder), a positioning seat 14, a rotating shaft 15, a lifting driver 16, a rotating drive assembly 17 and a nut clamping mechanism 18, the horizontal sliding seat 12 is slidably connected to the support 11 in the horizontal direction, the horizontal driver 13 is arranged on the support 11 to drive the horizontal sliding seat 12 to slide in the horizontal direction, the positioning seat 14 is connected to the horizontal sliding seat 12, the rotating shaft 15 is rotatably connected to the positioning seat 14 and can slide up and down relative to the positioning seat 14, the lifting driver 16 is arranged on the positioning seat 14 to drive the rotating shaft 15 to lift relative to the positioning seat 14, the rotating drive assembly 17 is arranged on the support 11 to drive the rotating shaft 15 to rotate, and the nut clamping mechanism 18 is arranged at the lower end of the rotating shaft 15 for clamping the nut 1001. The nut assembly mechanism of the utility model clamps the nut through the nut clamping mechanism, the nut clamping mechanism is connected to the lower end of the rotating shaft 15, can lift and rotate with the rotating shaft, and can also move horizontally under the action of the horizontal driver; the automatic grabbing of the nut, the automatic movement to the working position and the automatic nut tightening can be realized, and the utility model has the advantages of simple structure and high efficiency.

[0023] Now the working principle of the nut tightening will be simply described, because the nut clamping mechanism can lift and rotate with the rotating shaft, before the nut tightening, the nut clamping mechanism moves to the upper side of the screw rod under the action of the lifting driver 16, and then the rotating drive assembly is started to drive the rotating shaft to rotate and the nut tightening can be realized.

[0024] In the embodiment, in order to realize the clamping and positioning of the nut, the nut clamping mechanism 18 comprises a clamping jaw cylinder 181 and two clamping arms 182 connected to the execution end of the clamping jaw cylinder 181, the two clamping arms 182 are symmetrically arranged, and the lower end of the clamping arm 182 is provided with a positioning groove 1820 matched with the nut 1001.

[0025] In order to ensure the force of screwing the nut, the positioning groove 1820 comprises a top surface 18201, a flat surface 18202 and an arc-shaped positioning surface 18203, the top surface 18201 is in contact with the upper end of the nut 1001, the flat surface 18202 is in contact with the side surface of the nut 1001, and the arc-shaped positioning surface 18203 is in contact with the outer circle of the nut 1001.

[0026] In the embodiment, the positioning seat 14 is provided with an upper positioning ring 141 and a lower positioning ring 142, the rotating shaft 15 is rotatably connected between the upper positioning ring 141 and the lower positioning ring 142 and can be lifted relative to the upper positioning ring 141 and the lower positioning ring 142, the rotating shaft 15 is provided with an upper limiting ring 151 matched with the upper positioning ring 141 and a lower limiting ring 152 matched with the lower positioning ring 142. The upper positioning ring 141 and the lower positioning ring 142 are used for positioning the rotating shaft and limiting the up-down movement of the rotating shaft.

[0027] In the embodiment, the rotating driving assembly 17 comprises a first pulley 171, a second pulley 172, a synchronous belt 173 and a driving motor 174, the driving motor 174 is arranged on the positioning seat 14, the second pulley 172 is arranged on the output shaft of the driving motor 174, the first pulley 171 is sleeved on the rotating shaft 15, the synchronous belt 173 is wound between the first pulley 171 and the second pulley 172, the first pulley 171 is located between the upper positioning ring 141 and the lower positioning ring 142, the first pulley 171 is provided with a positioning key 1711, and the rotating shaft 15 is provided with a sliding groove 150 matched with the positioning key 1711, so that the rotating shaft 15 can slide up and down relative to the first pulley 171 and can rotate with the first pulley 171. The driving motor 174 drives the first pulley 171 to rotate, thereby driving the rotating shaft to rotate, and the sliding groove 150 matched with the positioning key 1711 is arranged on the rotating shaft 15, so that the up-down movement of the rotating shaft can be realized.

[0028] In the embodiment, the lifting driver 16 is a lifting cylinder arranged on the positioning seat 14, and the piston rod of the lifting cylinder is connected with the upper end of the rotating shaft 15. A buffer damper 19 is arranged between the piston rod of the lifting cylinder and the upper end of the rotating shaft 15, and the buffer damper 19 can realize the buffering function when the lifting cylinder moves up and down.

[0029] As Figure 6As shown, the washer and nut assembling equipment for hub assembly of the embodiment comprises a rack 2, a positioning clamp (not shown in the figure), a washer feeding mechanism 3, a washer assembling mechanism 4, a nut feeding mechanism 5 and the nut assembling mechanism 1 as described above, the positioning clamp is arranged on the rack 2 and used for positioning the hub 1002 which is not assembled; the washer feeding mechanism 3 is arranged on the rack 2 and used for automatically outputting the washer 1003; the washer assembling mechanism 4 is arranged on the rack 2 and used for assembling the washer output by the washer feeding mechanism 3 to the hub 1002; the nut feeding mechanism 5 is arranged on the rack 2 and used for automatically outputting the nut 1001; and the nut assembling mechanism 1 is arranged on the rack 2 and used for assembling the nut to the hub 1002. The washer and nut assembling equipment for hub assembly of the embodiment can realize automatic feeding, automatic assembling, automatic feeding and automatic assembling of the washer and the nut in the process of hub assembly, and has the advantages of high automation degree and high work efficiency.

[0030] The positioning clamp, the washer feeding mechanism 3, the washer assembling mechanism 4 and the nut feeding mechanism 5 can all adopt the mature solution in the prior art, which is not the protection point of the patent, and thus is not described herein.

[0031] The above is only used for further describing the technical content of the utility model by means of the embodiment, so as to make the reader easier to understand, but does not represent that the embodiment of the utility model is limited to this, and any technical extension or re-creation made according to the utility model is protected by the utility model. The protection scope of the utility model is subject to the claims.

Claims

1. Nut fitting mechanism, characterized in that The nut assembly mechanism (1) comprises a support (11), a horizontal sliding seat (12), a horizontal driver (13), a positioning seat (14), a rotating shaft (15), a lifting driver (16), a rotating drive assembly (17) and a nut clamping mechanism (18), the horizontal sliding seat (12) is slidably connected to the support (11) in the horizontal direction, the horizontal driver (13) is arranged on the support (11) to drive the horizontal sliding seat (12) to slide in the horizontal direction, the positioning seat (14) is connected to the horizontal sliding seat (12), the rotating shaft (15) is rotatably connected to the positioning seat (14) and can slide up and down relative to the positioning seat (14), the lifting driver (16) is arranged on the positioning seat (14) to drive the rotating shaft (15) to lift relative to the positioning seat (14), the rotating drive assembly (17) is arranged on the support (11) to drive the rotating shaft (15) to rotate, and the nut clamping mechanism (18) is arranged at the lower end of the rotating shaft (15) to clamp the nut (1001).

2. The nut assembly mechanism according to claim 1, characterized by, The nut clamping mechanism (18) comprises a clamping jaw cylinder (181) and two clamping arms (182) connected to the actuating end of the clamping jaw cylinder (181), the two clamping arms (182) are arranged symmetrically with respect to each other, and the lower end of the clamping arm (182) is provided with a positioning groove (1820) matching the nut (1001).

3. The nut assembly mechanism according to claim 2, wherein The positioning groove (1820) comprises a top surface (18201), a flat surface (18202) and an arc-shaped positioning surface (18203), the top surface (18201) is in contact with the upper end of the nut (1001), the flat surface (18202) is in contact with the side surface of the nut (1001), and the arc-shaped positioning surface (18203) is in contact with the outer ring of the nut (1001).

4. The nut assembly mechanism according to claim 1, wherein The positioning seat (14) is provided with an upper positioning ring (141) and a lower positioning ring (142), and the rotating shaft (15) is rotatably connected between the upper positioning ring (141) and the lower positioning ring (142) and can lift relative to the upper positioning ring (141) and the lower positioning ring (142).

5. The nut assembly mechanism according to claim 4, wherein The rotating shaft (15) is provided with an upper limiting ring (151) matched with the upper positioning ring (141) and a lower limiting ring (152) matched with the lower positioning ring (142).

6. The nut assembly mechanism according to claim 4, wherein The rotating driving assembly (17) comprises a first pulley (171), a second pulley (172), a synchronous belt (173) and a driving motor (174), the driving motor (174) is arranged on the positioning seat (14), the second pulley (172) is arranged on the output shaft of the driving motor (174), the first pulley (171) is sleeved on the rotating shaft (15), the synchronous belt (173) is arranged between the first pulley (171) and the second pulley (172), the first pulley (171) is located between the upper positioning ring (141) and the lower positioning ring (142), the first pulley (171) is provided with a positioning key (1711), and the rotating shaft (15) is provided with a sliding groove (150) matched with the positioning key (1711), so that the rotating shaft (15) can slide up and down relative to the first pulley (171) and can rotate with the first pulley (171).

7. The nut assembly mechanism according to claim 1, wherein The lifting driver (16) is a lifting cylinder arranged on the positioning seat (14), and the piston rod of the lifting cylinder is connected with the upper end of the rotating shaft (15).

8. The nut assembly mechanism according to claim 7, wherein A buffer damper (19) is arranged between the piston rod of the lifting cylinder and the upper end of the rotating shaft (15).

9. A washer and nut assembly apparatus for hub assembly, characterized by, Comprise: a rack (2); a positioning clamp, the positioning clamp is arranged on the rack (2) and is used for positioning an unfinished assembling flower drum (1002); a gasket feeding mechanism (3), the gasket feeding mechanism (3) is arranged on the rack (2) and is used for automatically outputting a gasket (1003); a gasket assembling mechanism (4), the gasket assembling mechanism (4) is arranged on the rack (2) and is used for assembling the gasket output by the gasket feeding mechanism (3) to the flower drum (1002); a nut feeding mechanism (5), the nut feeding mechanism (5) is arranged on the rack (2) and is used for automatically outputting a nut (1001); and the nut assembling mechanism (1) as claimed in any one of claims 1-8, the nut assembling mechanism (1) is arranged on the rack (2) and is used for assembling the nut to the flower drum (1002).

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