Tooth piece assembling and positioning mechanism for bicycle flywheel

Abstract

The utility model discloses a tooth piece assembling and positioning mechanism for a bicycle flywheel, which comprises a clamping mechanism and an alignment platform arranged on one side of the clamping mechanism, the clamping mechanism comprises a lifting device, a rotating device is arranged on the lifting device in a sliding mode, a plurality of positioning and alignment mechanisms are arranged on the alignment platform, and the positioning and alignment mechanisms are arranged on the clamping mechanism. The positioning alignment mechanism comprises a positioning support, a supporting plate is arranged on the positioning support, a positioning shaft is arranged on the supporting plate, a movable block capable of moving up and down is arranged in the movable groove, a positioning block is arranged on the movable block, a positioning notch is formed in the positioning shaft, the positioning block is arranged in the positioning notch, and the positioning shaft is provided with a positioning groove. A fixing block is further arranged below the supporting plate, and an elastic piece is arranged between the positioning block and the fixing block. The positioning device is stable in structure, smooth in positioning process flow, high in positioning precision and capable of reducing assembly errors.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bicycle technical field, especially a kind of tooth sheet assembly positioning mechanism for bicycle freewheel. BACKGROUND

[0002] A kind of tooth sheet assembly positioning mechanism for bicycle freewheel, it is usually referred to in the assembly process of bicycle freewheel, for accurately positioning and fixed tooth sheet device.It is to ensure that tooth sheet is correctly installed on the freewheel shaft, and can withstand torque and operating pressure in the process of use.

[0003] The stability of existing tooth sheet assembly positioning mechanism is poor, positioning accuracy is low, tooth sheet can slightly deviate, affect the overall performance of freewheel, in addition, the adaptability of existing positioning mechanism to different specifications of tooth sheet is poor, different clamps need to be replaced or complex adjustment, affect the flexibility of equipment. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem to provide a kind of tooth sheet assembly positioning mechanism for bicycle freewheel, structure is stable, and positioning process is smooth, and positioning accuracy is high, to reduce assembly error.

[0005] To solve the above technical problems, a kind of tooth sheet assembly positioning mechanism for bicycle freewheel of the utility model, including clamping mechanism and being located in the alignment platform of clamping mechanism side, the clamping mechanism includes lifting device, rotating device is slidably arranged on the lifting device, the alignment platform is equipped with a plurality of positioning alignment mechanism, the positioning alignment mechanism includes positioning support, the support plate is equipped on the positioning support, the support plate is equipped with positioning shaft, the support plate is equipped with movable slot in, the movable slot is equipped with movable block that can move up and down in, the movable block is equipped with positioning block, the positioning shaft is equipped with positioning gap, the positioning block is arranged in the positioning gap, the support plate is further equipped with fixed block below, and the positioning block is equipped with elastic member between fixed block.

[0006] The positioning block is fixed with movable rod, movable rod is equipped with alignment sensor for detecting the position of movable rod below.

[0007] The bottom of the alignment platform is equipped with rotary air cylinder, and the rotary air cylinder drives the rotation of the alignment platform.

[0008] The support plate below is equipped with first in-place sensor for detecting big-hole tooth sheet.

[0009] The support plate below is further equipped with second in-place sensor for detecting small-hole tooth sheet.

[0010] The lifting device comprises a lifting support and a vertical slide rail arranged on the lifting support, the rotating support is slidingly arranged on the vertical slide rail, and a lifting cylinder is further arranged on the lifting support, and the lifting cylinder drives the rotating device to lift.

[0011] The rotating device comprises a rotating support, a clamping jaw assembly is arranged below the rotating support, and a rotating motor is arranged above the rotating support, and the rotating motor drives the clamping jaw assembly to rotate.

[0012] The clamping jaw assembly comprises a clamping jaw body, a clamping slide rail is arranged at the bottom of the clamping jaw body, a clamping jaw arm is slidingly arranged on the clamping slide rail, and a jaw head is arranged on the clamping jaw arm.

[0013] The clamping jaw arm and the jaw head are provided with at least three groups.

[0014] A pressure regulating valve is arranged on the clamping jaw body for adjusting the tightness of the clamping jaw arm.

[0015] When the utility model is used, the lifting support of the clamping mechanism is driven to lift by the lifting cylinder, the rotating device slidingly arranged on the vertical slide rail is adjusted in position according to predetermined requirements, the lifting cylinder drives the rotating device to lift, the clamping jaw arm and the jaw head of the clamping jaw assembly clamp the tooth piece, the tooth piece is sleeved on the positioning shaft, the positioning block abuts on the tooth piece, and the first and second position sensors monitor whether the large-hole and small-hole tooth pieces are correctly positioned, respectively. The rotating support starts to rotate, drives the clamping jaw assembly below to rotate, when the tooth piece gap is aligned with the positioning block, the positioning block is moved upward by the elastic member, and is firmly clamped in the gap, meanwhile, the alignment sensor detects the position of the movable rod, ensures that the clamping mechanism lifts the tooth piece for subsequent operation after positioning is completed, and the rotating cylinder drives the alignment platform to rotate, and the positioning of the next tooth piece is carried out.

[0016] The utility model brings the beneficial effect that:

[0017] The utility model enables the tooth piece to be stably positioned at a predetermined position by clamping the positioning block and the tooth piece gap, thereby ensuring positioning accuracy.

[0018] The utility model can adapt to tooth pieces of different specifications.

[0019] The utility model can simultaneously position and align multiple tooth pieces.

[0020] Through the inductive movable block, the alignment sensor and the position sensor, the system can detect the position of the tooth piece in real time, and ensure that the tooth piece is accurately positioned. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structure schematic diagram of the utility model.

[0022] Figure 2Is the structure schematic diagram of the clamping mechanism of the utility model.

[0023] Figure 3 Is the structure schematic diagram of the positioning alignment mechanism of the utility model.

[0024] Figure 4 Is the structure schematic diagram of the positioning shaft of the utility model.

[0025] Figure 5 Is the structure schematic diagram of the positioning block of the utility model.

[0026] Figure 6 Is the structure schematic diagram of the support plate of the utility model.

[0027] Figure 7 Is the structure schematic diagram of the clamping jaw assembly of the utility model.

[0028] Figure 8 Is the schematic diagram of the pressure regulating valve and the clamping jaw main body of the utility model.

[0029] In the figure: 1, clamping mechanism;2, alignment platform;3, positioning alignment mechanism;4, positioning support;5, support plate;6, positioning shaft;7, movable groove;8, positioning block;9, elastic piece;10, alignment sensor;11, rotary air cylinder;12, first in-place sensor;13, second in-place sensor;14, positioning gap;15, lifting device;16, vertical slide rail;17, lifting support;18, rotating device;19, lifting air cylinder;20, rotating support;21, clamping jaw assembly;22, rotary motor;23, clamping jaw main body;24, clamping slide rail;25, clamping jaw arm;26, jaw head;27, fixed block;28, movable rod;29, movable block;30, pressure regulating valve. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the utility model.

[0031] According to 1 figure to Figure 7The utility model discloses a tooth piece assembly positioning mechanism for bicycle free wheel, including clamping mechanism 1 and the alignment platform 2 of being established at one side of clamping mechanism 1, clamping mechanism 1 includes elevating gear 15, the rotatory device 18 of driving tooth piece rotation is slidably arranged on elevating gear 15, the bottom of alignment platform 2 is equipped with rotary cylinder 11, and rotary cylinder 11 realizes the rotation of alignment platform 2 through drive arrangement, and a plurality of positioning alignment mechanism 3 are equipped on alignment platform 2, to make alignment platform 2 can switch between a plurality of positioning alignment mechanism 3, to accurately position and install a plurality of tooth pieces. Every positioning alignment mechanism 3 includes independent positioning support 4, and the top of positioning support 4 is installed with support plate 5, and the positioning shaft 6 is equipped on support plate 5, the inside of support plate 5 is equipped with movable slot 7, the movable block of being up and down movable is equipped in movable slot 7, the positioning block 8 is equipped on movable block, the positioning gap 14 is equipped on the positioning shaft 6, the positioning block 8 is arranged in the positioning gap 14, the fixed block 27 is also equipped below support plate 5, and the elastic piece 9 is equipped between positioning block 8 and fixed block 27, and the effect of elastic piece 9 is driving positioning block 8 to move upwards, when tooth piece gap is matched with positioning block 8, positioning block 8 pops up, makes it and connects in tooth piece gap.

[0032] The positioning block 8 is fixed with a sensing movable block, and a positioning sensor 10 is arranged below the support plate 5 to detect the position of the sensing movable block, so that the state and position of the positioning block 8 can be monitored in real time through the sensing system, and it is ensured that the positioning block 8 can be clamped at the correct position.

[0033] The support plate 5 further comprises a to-position sensor for detecting different types of tooth pieces, specifically comprising a first to-position sensor 12 for detecting the installation position of a large-hole tooth piece, and a second to-position sensor 13 for detecting the installation state of a small-hole tooth piece.

[0034] The positioning block 8 is provided with an arc-shaped portion, which ensures smoother rotation of the tooth piece, reduces friction and damage, and further improves the positioning accuracy and assembly efficiency.

[0035] The elevating device 15 is composed of an elevating support 17 and a vertical sliding rail 16 arranged on the elevating support 17. The rotatory device 18 is slidably arranged on the vertical sliding rail 16, and the elevating support 17 is further provided with an elevating cylinder 19, which drives the rotatory device 18 to perform lifting operation. The rotatory device 18 comprises a rotatory support 20, a clamping jaw assembly 21 arranged below the rotatory support 20, a rotatory motor 22 arranged above the rotatory support 20, and the rotatory motor 22 drives the clamping jaw assembly 21 to rotate through a drive arrangement.

[0036] According to the utility model, the tooth piece assembly positioning mechanism for bicycle free wheel comprises a clamping mechanism and an alignment platform arranged on one side of the clamping mechanism, and the clamping mechanism comprises an elevating device. Figure 7 And Figure 8As shown, the jaw assembly 21 includes a jaw body 23, which is provided with a clamping slide rail 24 at the bottom, and a jaw arm 25 is slidably arranged on the clamping slide rail 24, and the end of the jaw arm 25 is provided with a jaw head 26. In order to provide stronger clamping force and flexibility, the jaw arm 25 and the jaw head 26 are provided with at least three groups, which can uniformly clamp multiple tooth pieces and stably assemble. The jaw body 23 is provided with a pressure regulating valve 30, which can accurately adjust the tightness of the jaw arm 25 by controlling the air pressure, so as to adjust the clamping force of the jaw on the tooth piece. The pressure regulating valve 30 can adjust the pressure of the jaw arm 25 in real time, ensure that the tooth piece is stably clamped, and at the same time avoid damage or deformation of the tooth piece caused by excessive clamping force. This adjustment mechanism can automatically adjust the clamping force according to the size, shape and assembly requirement of different tooth pieces, so that the clamping state is in the best state during each assembly process. When the tooth piece is positioned, the pressure regulating valve 30 will slightly adjust the air pressure to drive the jaw arm 25 to slightly loosen the tooth piece, so as to maintain a certain clamping force without applying excessive pressure. In this way, the jaw arm can not only avoid excessive clamping to cause the tooth piece to deform, but also prevent the flywheel from generating additional rotation due to excessive clamping, so as to avoid affecting the accuracy of the positioning and alignment mechanism 5 or causing other adverse consequences. At the same time, the slight loosening of the jaw arm provides convenience for subsequent assembly operation, and improves the stability and efficiency of the assembly process.

[0037] When the utility model is used, the lifting support 17 of the clamping mechanism 1 is driven to lift by the lifting cylinder 19, the rotating device 18 slidably arranged on the vertical slide rail 16 adjusts the position according to the predetermined requirement, the lifting cylinder 19 drives the rotating device 18 to lift, the jaw arm 25 and the jaw head 26 of the jaw assembly 21 clamp the tooth piece, the tooth piece is sleeved on the positioning shaft 6, the positioning block 8 abuts on the tooth piece, and the first and second position sensors 12 and 13 respectively monitor whether the large hole and small hole tooth pieces are correctly positioned. The rotating support 20 starts to rotate and drives the jaw assembly 21 below to rotate, when the tooth piece gap is aligned with the positioning block 8, the positioning block 8 is moved upward by the elastic element 9 and is firmly clamped in the tooth piece gap, and at the same time, the alignment sensor 10 detects the position of the movable rod 28, so that after positioning is completed, the clamping mechanism 1 lifts the tooth piece for subsequent operation, and the rotating cylinder 11 drives the alignment platform 2 to rotate and positions the next tooth piece.

[0038] The utility model brings the beneficial effect is:

[0039] The utility model discloses through the positioning block and tooth piece gap clamping, make the tooth piece be positioned stably in the predetermined position, thereby guaranteeing the positioning accuracy.

[0040] The utility model can adapt to different specifications of tooth piece.

[0041] The utility model can position and align multiple tooth pieces simultaneously.

[0042] Through the inductive movable block, the alignment sensor and the in-place sensor, the system can detect the position of the tooth piece in real time, and ensure that the tooth piece is accurately in place.

[0043] The above only describes preferred embodiments of the present application, and equivalent changes or modifications made according to the structure, features and principles described in the patent application range of the present application are included in the patent application range of the present application.

Claims

1. A tooth sheet assembly positioning mechanism for a bicycle freewheel, comprising a clamping mechanism and a locating platform arranged on one side of the clamping mechanism, characterized in that: The clamping mechanism comprises a lifting device, a rotating device is slidably arranged on the lifting device, a plurality of positioning and aligning mechanisms are arranged on the aligning platform, the positioning and aligning mechanism comprises a positioning support, a support plate is arranged on the positioning support, a positioning shaft is arranged on the support plate, a movable groove is arranged in the support plate, a movable block which can move up and down is arranged in the movable groove, a positioning block is arranged on the movable block, a positioning gap is arranged on the positioning shaft, the positioning block is arranged in the positioning gap, a fixed block is further arranged below the support plate, and an elastic member is arranged between the positioning block and the fixed block.

2. A tab assembly positioning mechanism for a bicycle freewheel as defined in claim 1, wherein: An active rod is fixedly arranged on the positioning block, and an aligning sensor for detecting the position of the active rod is arranged below the active rod.

3. A tab assembly positioning mechanism for a bicycle freewheel as defined in claim 1 wherein: A rotating cylinder is arranged at the bottom of the aligning platform, and the rotating cylinder drives the aligning platform to rotate.

4. A tab assembly positioning mechanism for a bicycle freewheel as defined in claim 1, wherein: A first arrival sensor for detecting the large-hole tooth piece is arranged below the support plate.

5. A tab assembly positioning mechanism for a bicycle freewheel as defined in claim 1, wherein: A second arrival sensor for detecting the small-hole tooth piece is further arranged below the support plate.

6. A tab assembly positioning mechanism for a bicycle freewheel as defined in claim 1, wherein: The rotating device comprises a rotating support, a clamping jaw assembly is arranged below the rotating support, a rotating motor is arranged above the rotating support, and the rotating motor drives the clamping jaw assembly to rotate.

7. A tab assembly positioning mechanism for a bicycle freewheel as defined in claim 6 wherein: The lifting device comprises a lifting support and a vertical sliding rail arranged on the lifting support, the rotating support is slidably arranged on the vertical sliding rail, a lifting cylinder is further arranged on the lifting support, and the lifting cylinder drives the rotating device to lift.

8. A tab assembly positioning mechanism for a bicycle freewheel as defined in claim 6, wherein: The clamping jaw assembly comprises a clamping jaw body, a clamping sliding rail is arranged at the bottom of the clamping jaw body, a clamping jaw arm is slidably arranged on the clamping sliding rail, and a jaw head is arranged on the clamping jaw arm.

9. A tab assembly positioning mechanism for a bicycle freewheel as defined in claim 8, wherein: The clamping jaw arm and the jaw head are provided with at least three groups.

10. A tab assembly positioning mechanism for a bicycle freewheel as defined in claim 8, wherein: A pressure regulating valve for adjusting the tightness of the clamping jaw arm is arranged on the clamping jaw body.

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