CN216176097U

CN216176097U - Rim circle expanding machine

Info

Publication number: CN216176097U
Application number: CN202122381502.1U
Authority: CN
Inventors: 朱正元; 徐建明; 陈超
Original assignee: Zhejiang Jinhua Jinchuang Intelligent Manufacturing Research Institute Co ltd; Zhejiang Jinfei Machinery Co ltd
Current assignee: Zhejiang Jinhua Jinchuang Intelligent Manufacturing Research Institute Co ltd; Zhejiang Jinfei Machinery Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-04-05
Anticipated expiration: 2031-09-29

Abstract

The utility model provides a rim circle expanding machine which comprises a circle expanding clamp, a rack, a hydraulic system and an electrical system and is characterized in that the circle expanding clamp is arranged on one side of the rack, the hydraulic system is arranged on the other side of the rack, a circle expanding die is arranged on the circle expanding clamp in a replaceable mode, an inverted conical table is arranged in the center of the top of the circle expanding clamp, an oil cylinder and a lifting mechanism on the lower portion of the circle expanding clamp drive the conical table to lift, the oil cylinder is connected with the hydraulic system, and the hydraulic system is electrically connected with the electrical system. According to the rim rounding machine provided by the utility model, the oil cylinder drives the lifting mechanism to pull the conical table to descend, the rounding die is expanded horizontally, after a period of time is maintained, the working surface of the rounding die corrects a workpiece to be rounded back to a standard shape, the conical table is always connected with the lifting mechanism, the rounding die is in contact with the conical surface of the conical table, the initial state and the operation process are stable, and the process precision is met.

Description

Rim circle expanding machine

Technical Field

The utility model relates to the field of rim production, in particular to a rim expanding machine.

Background

The rim workpiece can deform after the procedures of rolling, welding, aging heat treatment and the like, so that the roundness of a rim product needs to be corrected by a circle expansion procedure, the roundness of the rim is a key index for the rim, at present, domestic enterprises generally control the roundness of the rim to be lower and generally only reach 0.8mm, a plurality of enterprises cannot meet the production process requirements of middle and high-end bicycle rims, the existing domestic and foreign bicycle circle expander is relatively huge in shape, a hydraulic oil cylinder is generally adopted to extrude an expansion ring from top to bottom for molding, the structure is simple but the expansion precision is relatively deficient, the equipment operation is relatively unstable, the expansion effect is not ideal, the product qualification rate and the quality are required to be improved, and a relatively high-precision rim expander is urgently needed to improve the roundness precision of the rim product so as to ensure the circle jump of the rim, the product percent of pass is improved, and the foundation condition is laid for the industry of the middle and high-end bicycle rims in the march of enterprises.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art or the related art.

The utility model provides a rim circle expanding machine which comprises a circle expanding clamp, a rack, a hydraulic system and an electrical system, wherein the circle expanding clamp is arranged on one side of the rack, the hydraulic system is arranged on the side edge of the circle expanding clamp and is arranged on the other side of the rack, a circle expanding die is arranged on the circle expanding clamp in a replaceable mode, the working surface of the circle expanding die is consistent with the inner side surface of a workpiece to be rounded, an inverted conical table is arranged at the center of the top of the circle expanding clamp, an oil cylinder and a lifting mechanism are arranged on the lower portion of the circle expanding clamp, the oil cylinder drives the lifting mechanism to move up and down, the conical table is connected with the lifting mechanism through a lifting main shaft, the oil cylinder is connected with the hydraulic system, the hydraulic system is electrically connected with the electrical system, and a button seat of the electrical system is arranged on one side surface of the circle expanding clamp.

According to the rim rounding machine provided by the utility model, the rounding clamp and the hydraulic system are arranged on the rack side by side, after the rounding clamp is provided with the rounding die, the lifting mechanism is driven to descend by the oil cylinder at the lower part of the rounding clamp, the conical table is pulled to descend, the rounding die is horizontally expanded by the conical surface, the working surface of the rounding die corrects the inner side surface of a workpiece to be rounded back to a standard shape in the process of reaching a set size, and after the hydraulic system and the oil cylinder are stressed and maintained for a period of time, the conical table is always connected with the lifting mechanism, the top center of the rounding die is in contact with the conical surface of the conical table, the initial state and the operation process are stable, the rounding precision required by the process can be met, and the rounding die is controlled by a button of an electrical system, so that the machine is simple, safe and convenient.

Preferably, the bedplate of the round expansion clamp is arranged on a box body, the box body is arranged on the rack, a box door is arranged on one side of the box body, and a lifting mechanism, an oil cylinder and an electric control cabinet of an electric system are arranged in the box door; the bedplate of the expansion clamp is arranged on the box body, the whole lifting mechanism, the transmission mechanisms such as the oil cylinder and the like and the electric control cabinet are protected in the box body, the transmission mechanisms and the electric control cabinet are kept clean and safe to operate, faults and safety accidents are reduced, and the operation of checking, maintaining, repairing and the like can be conveniently carried out by opening the box door.

Preferably, the hydraulic system further comprises an oil tank, a motor, a plunger pump, an electromagnetic valve and a protective net, wherein the oil tank is arranged on a base of the rack, the motor is arranged at the top of the oil tank, a driving shaft of the motor is connected with the plunger pump, one end of the plunger pump is connected with an oil suction pipe of the oil tank, the other end of the plunger pump is connected with the electromagnetic valve, and an overflow valve of the electromagnetic valve can adjust the output pressure of the plunger pump; on the frame base on one side of the circle anchor clamps that expand is arranged in to the oil tank, whole equipment all sets up the transport of being convenient for in the frame, reduces the occupation of land space, and motor drive plunger pump adjusts the oil pressure size through the overflow valve after oil absorption from the oil tank to satisfy the pulling force value of the required hydro-cylinder of rim plastic, the protection network avoids unnecessary personnel to contact whole oil tank and hydraulic system protection in the centre, avoids the incident.

Preferably, the circle expanding clamp further comprises a plurality of circle expanding sliding blocks distributed in an annular matrix, a T-shaped block at the bottom of each circle expanding sliding block is in sliding fit with a T-shaped groove of a round table, the round table is mounted on the bedplate, an insert is arranged in the round table, a through hole thread is arranged in the insert, a pressure spring is arranged in the insert and used for resetting the circle expanding sliding blocks, and a screw is arranged in the insert and used for adjusting the initial length of the pressure spring; the circle expanding clamp acts on the rim surface of a rim to be reshaped through a plurality of circle expanding sliding blocks distributed in an annular matrix, the sliding stability and precision are ensured through the sliding of a T-shaped block at the bottom of each circle expanding sliding block and a T-shaped groove of a circular table, after a conical table withdraws the extrusion of a reshaping die after an oil cylinder retracts, a pressure spring in an insert can rebound the circle expanding sliding block to an initial position, the circle expanding sliding block is convenient to take out, rotate or re-install into the rim, the initial position of the pressure spring can be adjusted through a screw to meet the initial positions of different reshaping dies, so that a central conical funnel of the reshaping die is tightly attached to the conical table, and due to the fact that an interval exists between every two dies after the circle expanding die is expanded, the rim needs to be rotated by a certain angle for once correction after once reshaping, and the rim surface of the whole rim is extruded and reshaped by the working surface of the circle expanding die.

Preferably, the expansion clamp can be provided with a shaping die of a rim with the width of 1.6-5.5 inches, wherein the shaping die is 17-21 inches; the circle that expands anchor clamps mountable 15 cun to 21 cun rim plastic mould, the rim width of wheel is 1.6 cun to 5.5 cun, can satisfy the plastic demand of most rim products on the market at present, of course, if needs bigger stroke, spare parts such as removable hydro-cylinder, elevating system and toper platform are adjusted.

Preferably, the electrical system further comprises a foot switch; normal plastic operation only needs to press the start button and can accomplish a plastic operation, in order to liberate both hands, improve production efficiency, has installed foot switch, steps on with the foot and just can accomplish a plastic operation, and especially makes things convenient for the rim to rotate after once and adjusts when plastic the face can be more convenient with the foot to step on.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic elevational view of one configuration of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a perspective view of the present invention;

the scores in the figures are as follows: the device comprises an expansion clamp 1, an expansion die 11, a conical table 12, an oil cylinder 13, a lifting mechanism 14, a lifting main shaft 15, a bedplate 16, an expansion slider 17, a T-shaped block 18, a circular table 19, an insert 191, a frame 2, a box body 21, a box door 211, a hydraulic system 3, an oil tank 31, a motor 32, a plunger pump 33, an overflow valve 34, a protective net 35, an electric system 4, a button seat 41, an electric control cabinet 42 and a foot switch 43.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

Some embodiments provided by the present invention are described below with reference to fig. 1 to 4.

One embodiment of the utility model provides a rim circle expanding machine, which comprises a circle expanding clamp 1 and a frame 2, the device comprises a hydraulic system 3 and an electrical system 4, wherein one side of a rack 2 is provided with a round expansion fixture 1, the side edge of the round expansion fixture 1 is provided with the hydraulic system 3, the hydraulic system 3 is arranged on the other side of the rack 2, a round expansion mould 11 is arranged on the round expansion fixture 1 in a replaceable manner, the working surface of the round expansion mould 11 is consistent with the inner side surface of a workpiece to be round expanded in shape, an inverted conical table 12 is arranged at the center of the top of the round expansion fixture 1, an oil cylinder 13 and a lifting mechanism 14 are arranged at the lower part of the round expansion fixture 1, the oil cylinder 13 drives the lifting mechanism 14 to move up and down, the conical table 12 is connected with the lifting mechanism 14 through a lifting main shaft 15, the oil cylinder 13 is connected with the hydraulic system 3, the hydraulic system 3 is electrically connected with the electrical system 4, and a button seat 41 of the electrical system 4 is arranged on one side surface of the round expansion fixture 1.

According to the rim expanding machine provided by the utility model, the expanding clamp 1 and the hydraulic system 3 are arranged on the rack 2 side by side, after the expanding clamp 1 is provided with the expanding die 11, the lifting mechanism 14 is driven to descend by the oil cylinder 13 at the lower part of the expanding clamp 1, the conical table 12 is further pulled to descend, the expanding die 11 is horizontally expanded by the conical surface, the inner side surface of a workpiece to be expanded into a standard shape is corrected by the working surface of the expanding die 11 after the hydraulic system 3 and the oil cylinder 13 are stressed and maintained for a period of time, the shaping effect is realized, the conical table 12 is always connected with the lifting mechanism 14, the top center of the expanding die 11 is in contact with the conical surface of the conical table 12, the initial state and the operation process are stable, the shaping precision required by the process can be met, and the shaping precision is simple, safe and convenient through the button control of the electrical system 4.

Preferably, the bedplate 16 of the bulging fixture 1 is arranged on the box body 21, the box body 21 is arranged on the frame 2, one side of the box body 21 is provided with a box door 211, and the lifting mechanism 14, the oil cylinder 13 and the electric control cabinet 42 of the electric system 4 are arranged in the box door 211; the bedplate 16 of the round expansion clamp 1 is arranged on the box body 21, the whole transmission mechanisms such as the lifting mechanism 14, the oil cylinder 13 and the like and the electric control cabinet 42 are protected in the box body 21, the transmission mechanisms and the electric control cabinet 42 are kept clean and safe to operate, faults and safety accidents are reduced, and the operations such as inspection, maintenance, repair and the like can be conveniently carried out by opening the box door 211.

Preferably, the hydraulic system 3 further includes an oil tank 31, a motor 32, a plunger pump 33, an electromagnetic valve and a protective net 35, the oil tank 31 is disposed on the base of the frame 2, the motor 32 is mounted on the top of the oil tank 31, a driving shaft of the motor 32 is connected to the plunger pump 33, one end of the plunger pump 33 is connected to an oil suction pipe of the oil tank 31, the other end of the plunger pump 33 is connected to the electromagnetic valve, and an overflow valve 34 of the electromagnetic valve can adjust output pressure of the plunger pump 33; on the 2 bases of frame on one side of the circle anchor clamps 1 are arranged in to oil tank 31, whole equipment all sets up the transport of being convenient for in frame 2, reduces and takes up an area of the space, and motor 32 drive plunger pump 33 is adjusted the oil pressure size through overflow valve 34 after inhaling oil from oil tank 31 to satisfy the pulling force value of the required hydro-cylinder 13 of rim plastic, protection network 35 protects whole oil tank 31 and hydraulic system 3 in the centre, avoids unnecessary personnel to contact, avoids the incident.

Preferably, the round expansion fixture 1 further comprises a plurality of round expansion sliding blocks 17 distributed in an annular matrix, a T-shaped block 18 at the bottom of each round expansion sliding block 17 is in sliding fit with a T-shaped groove of a round table 19, the round table 19 is mounted on the bedplate 16, an insert 191 is arranged in the round table 19, a through hole thread is arranged in the insert 191, a pressure spring is arranged in the insert 191 and resets the round expansion sliding blocks 17, and a screw is arranged in the insert 191 and can adjust the initial length of the pressure spring; the circle expanding clamp 1 is used for acting on the rim surface of the rim to be shaped through a plurality of circle expanding sliding blocks 17 distributed in an annular matrix, the T-shaped block 18 at the bottom of the round expansion slide block 17 and the T-shaped groove of the round platform 19 slide to ensure the stability and the precision of the sliding, after the oil cylinder 13 retracts and the conical table 12 cancels the extrusion of the shaping die, the pressure spring in the insert 191 rebounds the round expansion sliding block 17 to the initial position, so that the round expansion sliding block can be conveniently taken out, rotated or reloaded into a rim, the initial position of the pressure spring can be adjusted by a screw to meet the initial positions of different shaping dies, so that the central conical funnel of the shaping die is tightly attached to the conical table 12, and because the round expansion die 11 is expanded, a gap is reserved between each die, therefore, the rim needs to be rotated by a certain angle for primary correction after primary shaping during shaping, so that the rim surface of the whole rim is extruded and shaped by the working surface of the round expansion die 11.

Preferably, the bulging fixture 1 can be provided with a shaping die of a rim with the width of 1.6-5.5 inches, wherein the shaping die is 17-21 inches; the circle expanding clamp 1 can be provided with a 15-21-inch rim shaping die, the rim width of a wheel is 1.6-5.5 inches, the shaping requirements of most rim products on the market at present can be met, and certainly, components such as the oil cylinder 13, the lifting mechanism 14 and the conical table 12 can be replaced if a larger stroke is required.

Preferably, the electrical system 4 further comprises a foot switch 43; normal plastic operation only needs to press the start button and can accomplish a plastic operation, in order to liberate both hands, improve production efficiency, has installed foot switch 43, steps on with the foot and just can accomplish a plastic operation, and especially makes things convenient for the rim to rotate after once and adjusts when plastic the face more convenient to step on with the foot.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The rim rounding machine comprises a rounding expansion clamp (1), a rack (2), a hydraulic system (3) and an electrical system (4), and is characterized in that the rounding expansion clamp (1) is arranged on one side of the rack (2), the hydraulic system (3) is arranged on the side edge of the rounding expansion clamp (1), the hydraulic system (3) is arranged on the other side of the rack (2), a rounding expansion die (11) is arranged on the rounding expansion clamp (1) in a replaceable manner, the working surface of the rounding expansion die (11) is consistent with the inner side surface of a workpiece to be rounded, an inverted conical table (12) is arranged at the center of the top of the rounding expansion clamp (1), an oil cylinder (13) and a lifting mechanism (14) are arranged on the lower portion of the rounding expansion clamp (1), the oil cylinder (13) drives the lifting mechanism (14) to move up and down, the conical table (12) is connected with the lifting mechanism (14) through a lifting main shaft (15), the oil cylinder (13) is connected with the hydraulic system (3), the hydraulic system (3) is electrically connected with the electrical system (4), and a button seat (41) of the electrical system (4) is arranged on one side face of the round expansion clamp (1).

2. The rim flatting machine according to claim 1, characterized in that the platen (16) of the flatting fixture (1) is placed on a box body (21), the box body (21) is arranged on the frame (2), a box door (211) is arranged on one side of the box body (21), and the lifting mechanism (14), the oil cylinder (13) and an electric control cabinet (42) of the electric system (4) are arranged in the box door (211).

3. The rim flatening machine according to claim 2, wherein the hydraulic system (3) further comprises an oil tank (31), a motor (32), a plunger pump (33), an electromagnetic valve and a protective net (35), the oil tank (31) is arranged on a base of the frame (2), the motor (32) is installed at the top of the oil tank (31), a driving shaft of the motor (32) is connected with the plunger pump (33), one end of the plunger pump (33) is connected with an oil suction pipe of the oil tank (31), the other end of the plunger pump (33) is connected with the electromagnetic valve, and an overflow valve (34) of the electromagnetic valve can adjust the output pressure of the plunger pump (33).

4. The rim flatulence machine according to claim 3, wherein the flatulence clamp (1) further comprises a plurality of flatulence sliders (17) distributed in an annular matrix, a T-shaped block (18) at the bottom of each flatulence slider (17) is in sliding fit with a T-shaped groove of a circular table (19), the circular table (19) is installed on the bedplate (16), an insert (191) is arranged in each circular table (19), through hole threads are arranged in the insert (191), a pressure spring is arranged in each insert (191) and resets the corresponding flatulence slider (17), and a screw is arranged in each insert (191) to adjust the initial length of the pressure spring.

5. A rim flatting machine according to claim 4, characterized in that the flatting fixture (1) can be fitted with a 17 "to 21" rim shaping die, the rim width of the rim being 1.6 "to 5.5".

6. A rim rounder according to claim 5, characterized in that said electrical system (4) further comprises a foot switch (43).