CN216883232U

CN216883232U - Multi-station middle shaft bowl grinding machine

Info

Publication number: CN216883232U
Application number: CN202122797308.1U
Authority: CN
Inventors: 陆有元
Original assignee: Xiangyu Industrial Taicang Co ltd
Current assignee: Xiangyu Industrial Taicang Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-07-05
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a multi-station central shaft bowl grinding machine which comprises a base, a workbench, a plurality of rotating disks, a rotary driving mechanism, a workpiece fixing device and a grinding device, wherein the workbench is arranged on the base, the rotating disks are arranged above the workbench, the bottom of each rotating disk is connected with the rotary driving mechanism arranged in the base, the workpiece fixing device is arranged above the rotating disks, and the grinding device is arranged above the workbench through a supporting frame. The middle shaft bowl to be polished is placed on the workpiece fixing device of the rotating disks to be clamped and fixed, the rotating disks rotate under the driving of the rotary driving mechanism, and the polishing device polishes workpieces above the rotating disks at the same time, so that the roughness of the surfaces of the workpieces is improved, and the processing efficiency is greatly improved.

Description

Multi-station middle shaft bowl grinding machine

Technical Field

The utility model relates to the technical field of bicycle accessories, in particular to a multi-station middle shaft cup grinding machine.

Background

As a popular passing tool, the bicycle is particularly a daily travel tool for people in short distance due to the advantages of environmental protection and convenient use, and the bicycle is more and more favored by people along with the popularization of the green travel concept. The middle shaft bowl group used by the existing electric bicycle adopts a metal ball frame or a metal bearing structure, and the structure has the defects that a motor drives a flywheel to rotate and transmits the flywheel to a middle shaft crank to rotate along with the middle shaft crank due to small rotational friction resistance when being applied to the electric bicycle, so that the safety risk that the crank rotates at high speed along with the middle shaft crank and damages legs or touches obstacles is caused. The middle shaft bowl group is one of the most important parts of the bicycle, and consists of a middle shaft and a middle shaft bowl arranged on the middle shaft, and after the middle shaft bowl is machined by a turning machine, the surface of a workpiece is rough and cannot meet the requirements of customers.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to provide a multi-station central shaft bowl grinding machine. The grinding device can simultaneously grind the workpiece above the rotating disk, so that the roughness of the surface of the workpiece is improved, and the processing efficiency is greatly improved.

The technical scheme is as follows: in order to achieve the purpose, the multi-station central spindle bowl grinding machine comprises a base, a workbench, a plurality of rotary discs, a rotary driving mechanism, a workpiece fixing device and a grinding device, wherein the workbench is arranged on the base, the rotary discs are arranged above the workbench, the bottom of each rotary disc is connected with the rotary driving mechanism arranged in the base, the workpiece fixing device is arranged above the rotary discs, and the grinding device is arranged above the workbench through a supporting frame.

Furthermore, a dust splash-proof cylinder is arranged on the outer side of the rotating disk on the workbench, and a clamping device for fixing the dust splash-proof cylinder is arranged on the workbench. The dust splash-proof cylinder is fixed on the outer side of the workpiece through the clamping device, so that dust can be prevented from splashing, and when the dust needs to be treated, the dust splash-proof cylinder is moved away from the rotating disk, so that dust can be cleaned conveniently.

Further, chucking device includes support column and stopper, the side at the base is installed to the support column, and the stopper is installed on the support column.

Furthermore, the support column is provided with a sliding groove, a screw rod is embedded into the sliding groove, the limiting block is installed on the screw rod through a sliding seat, and the top end of the support column is provided with a height adjusting hand wheel. The height adjustment hand wheel rotates, drives the sliding seat and rotates on the lead screw to realize the altitude mixture control of stopper, be convenient for break away from the stopper from the rotary disk.

Further, the rotary driving mechanism comprises a first motor, a first driving gear, a first driven gear and a second driven gear, an output shaft of the first motor is connected with the driving gear, the first driven gear and the second driven gear are fixed on the base through a rotating shaft, a through hole for the rotating shaft to penetrate is formed in the work, and the bottom of each rotating disk on the workbench is connected with the top of the rotating shaft. The first motor rotates to drive the driving gear to rotate, so that the first driven gear and the second driven gear are driven to rotate, and rotation of each rotating disk is achieved.

Further, the workpiece fixing device comprises a first micro cylinder, a second micro cylinder, a first arc-shaped fixing block and a second arc-shaped fixing block, the first micro cylinder and the second micro cylinder are arranged on two sides of the rotating disc, the first arc-shaped fixing block is vertically installed on the telescopic end of the first micro cylinder, and the second arc-shaped fixing block is vertically installed on the telescopic end of the second micro cylinder.

Further, grinding device includes lift fixing base, the first, second and the motor of polishing head, and the top at the lift fixing base is installed to motor two, and motor two's output shaft and belt pulley one are connected, the first below at the lift fixing base that sets up through drive shaft one of polishing, and with output shaft connection, the second below at the lift fixing base is all installed through drive shaft two with the third of polishing head to polishing head, and is located the both sides of polishing first, installs belt pulley two on the drive shaft two, and belt drive is passed through with belt pulley two to belt pulley one.

Further, the rotation direction of the second motor is opposite to that of the first motor.

According to the technical scheme, the utility model has the beneficial effects that:

the multi-station central shaft bowl grinding machine is reasonable in structural design, a central shaft bowl to be ground is placed on the workpiece fixing devices of the rotating disks to be clamped and fixed, the rotating disks are driven by the rotating driving mechanism to rotate, the grinding device is used for grinding workpieces above the rotating disks at the same time, the roughness of the surfaces of the workpieces is improved, and the machining efficiency is greatly improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial structural schematic view of the present invention

FIG. 3 is a schematic structural view of a rotary disk and a workpiece fixing device according to the present invention;

FIG. 4 is a schematic view of the polishing apparatus of the present invention;

fig. 5 is a schematic structural view of the chucking device.

Detailed Description

The utility model is further elucidated with reference to the drawings and the embodiments.

The multi-station central spindle bowl grinding machine comprises a base 1, a workbench 2, a plurality of rotary disks 3, a rotary driving mechanism 4, a workpiece fixing device 5 and a grinding device 6, wherein the workbench 2 is arranged on the base 1, the rotary disks 3 are arranged above the workbench 2, the bottom of each rotary disk 3 is connected with the rotary driving mechanism 4 arranged in the base 1, the workpiece fixing device 5 is arranged above the rotary disks 3, and the grinding device 6 is arranged above the workbench 2 through a support frame 7 a.

Wherein, the outside that lies in rotary disk 3 on workstation 2 is equipped with dust splash tube 7, be equipped with the chucking device 8 that is used for fixed dust splash tube 7 on workstation 2.

In this embodiment, the clamping device 8 includes a supporting column 81 and a limiting block 82, the supporting column 81 is installed on the side surface of the base 1, and the limiting block 82 is installed on the supporting column 81.

In this embodiment, a sliding groove 811 is formed in the supporting column 81, a screw 812 is embedded in the sliding groove 811, the limiting block 82 is mounted on the screw 812 through a sliding seat, and a height adjusting hand wheel 813 is arranged at the top end of the supporting column 81.

In this embodiment, the rotation driving mechanism 4 includes a first motor 41, a driving gear 42, a first driven gear 43, and a second driven gear 44, an output shaft of the first motor 41 is connected to the driving gear 42, the first driven gear 43, and the second driven gear 44 are fixed to the base 1 through a rotation shaft, a through hole for the rotation shaft to penetrate through is formed in the worktable 2, and the bottom of each rotating disk 3 on the worktable 2 is connected to the top of the rotation shaft.

In this embodiment, the workpiece fixing device 5 includes a first micro cylinder 51, a second micro cylinder 52, a first arc-shaped fixing block 53 and a second arc-shaped fixing block 54, the first micro cylinder 51 and the second micro cylinder 52 are disposed on two sides of the rotating disk 3, the first arc-shaped fixing block 53 is vertically mounted on the telescopic end of the first micro cylinder 51, and the second arc-shaped fixing block 54 is vertically mounted on the telescopic end of the second micro cylinder 52.

In this embodiment, the polishing device 6 includes a lifting fixing seat 61, a first polishing head 62, a second polishing head 63, a third polishing head 65 and a second motor 64, the second motor 64 is installed above the lifting fixing seat 61, an output shaft of the second motor 64 is connected with the first belt pulley 66, the first polishing head 62 is arranged below the lifting fixing seat 61 through a first driving shaft 67 and is connected with the output shaft, the second polishing head 63 and the third polishing head 65 are both installed below the lifting fixing seat 61 through a second driving shaft 69 and are located on two sides of the first polishing head 62, a second belt pulley 68 is installed on the second driving shaft 69, and the first belt pulley 66 and the second belt pulley 68 are in belt transmission.

In this embodiment, the rotation direction of the second motor 64 is opposite to that of the first motor 41.

In the embodiment, the diameter of the inner cavity of the middle pipe 4 is smaller than the diameters of the positive tooth bowl 1 and the negative tooth bowl 2.

The examples are given solely for the purpose of illustration and are not to be construed as limitations of the present invention, as various equivalents will occur to those skilled in the art upon reading the present invention and are intended to be within the scope of the utility model as defined in the claims appended hereto.

Claims

1. The utility model provides a multistation jackshaft bowl polisher which characterized in that: including base (1), workstation (2), a plurality of rotary disk (3), rotary driving mechanism (4), work piece fixing device (5) and grinding device (6), workstation (2) set up on base (1), and rotary disk (3) set up in the top of workstation (2), and the bottom of each rotary disk (3) all is connected with rotary driving mechanism (4) of setting in base (1), and work piece fixing device (5) set up the top in rotary disk (3), grinding device (6) are installed in the top of workstation (2) through support frame (7 a).

2. The multi-station central spindle bowl grinding machine according to claim 1, characterized in that: the outer side of the rotary disk (3) on the workbench (2) is provided with a dust splash-proof cylinder (7), and the workbench (2) is provided with a clamping device (8) for fixing the dust splash-proof cylinder (7).

3. The multi-station central spindle bowl grinding machine according to claim 2, characterized in that: chucking device (8) include support column (81) and stopper (82), the side at base (1) is installed to support column (81), and stopper (82) are installed on support column (81).

4. The multi-station central spindle bowl grinding machine according to claim 3, characterized in that: be equipped with spout (811) on support column (81), embedding sets up lead screw (812) in spout (811), and stopper (82) are installed on lead screw (812) through the sliding seat, and the top of support column (81) is equipped with altitude mixture control hand wheel (813).

5. The multi-station central spindle bowl grinding machine according to claim 1, characterized in that: rotatory actuating mechanism (4) include motor one (41), driving gear (42), driven gear one (43), driven gear two (44), the output shaft and the driving gear (42) of motor one (41) are connected, and driving gear (42), driven gear one (43), driven gear two (44) are fixed on base (1) through the rotation axis, be equipped with the through-hole that supplies the rotation axis to penetrate on workstation (2), the bottom that is located each rotary disk (3) on workstation (2) all is connected with the top of rotation axis.

6. The multi-station central spindle bowl grinding machine according to claim 5, wherein: the workpiece fixing device (5) comprises a first micro cylinder (51), a second micro cylinder (52), a first arc-shaped fixing block (53) and a second arc-shaped fixing block (54), wherein the first micro cylinder (51) and the second micro cylinder (52) are arranged on two sides of the rotating disc (3), the first arc-shaped fixing block (53) is vertically installed on the telescopic end of the first micro cylinder (51), and the second arc-shaped fixing block (54) is vertically installed on the telescopic end of the second micro cylinder (52).

7. The multi-station central spindle bowl grinding machine according to claim 6, wherein: grinding device (6) are including lift fixing base (61), first (62), the head of polishing two (63), the head of polishing three (65) and motor two (64), and the top at lift fixing base (61) is installed in motor two (64), and the output shaft and the belt pulley of motor two (64) are connected, first (62) of polishing set up the below at lift fixing base (61) through drive shaft one (67), and with output shaft connection, the head of polishing two (63) and the head of polishing three (65) all install the below at lift fixing base (61) through drive shaft two (69), and are located the both sides of first (62) of polishing, install belt pulley two (68) on drive shaft two (69), and belt pulley one (66) and belt pulley two (68) pass through belt transmission.

8. The multi-station central spindle bowl grinding machine according to claim 7, characterized in that: the second motor (64) and the first motor (41) rotate in opposite directions.