CN212046081U

CN212046081U - Four-axis direction pressure cylinder pressure device

Info

Publication number: CN212046081U
Application number: CN201921170050.9U
Authority: CN
Inventors: 苟志华
Original assignee: Wuxi Haihong Precision Machinery Manufacturing Co ltd
Current assignee: Wuxi Haihong Precision Machinery Manufacturing Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-12-01
Anticipated expiration: 2029-07-24

Abstract

A four-axis guide pressure cylinder pressure device comprises a four-axis guide, a pressure cylinder and a working table plate, wherein the working table plate is fixed by the pressure cylinder, and four corners of the working table plate are respectively provided with a four-axis guide mechanism; each shaft guide mechanism comprises a fixed shaft and a sliding end, and the sliding end is fixed with one corner of the working table plate. The pressure cylinder is fixed at the upper end of the pressure device: the four-axis guiding enables a protruding round platform of the die at the lower end of the pressure cylinder to pick up the dust cover.

Description

Four-axis direction pressure cylinder pressure device

Technical Field

The utility model relates to a pressure device, especially, can be applied to the pressure mechanism of special miniature deep ditch bearing iron shield.

Background

The dust cap for an ultra-miniature deep groove bearing application is an annular shield, typically stamped from sheet metal and crimped, which is secured to one race or washer of the bearing and extends toward the other race or washer, covering the interior space of the bearing, but not contacting the other race or washer.

The existing bearing curled edge dust cover is fixed on a ferrule or a gasket of a bearing by adopting a pressure cylinder pressure mechanism when being assembled by automatic equipment, the assembly of the curled edge dust cover mainly depends on a die to automatically take and place (take and place the curled edge dust cover) and then place the curled edge dust cover into a dust-proof groove of the bearing, and finally, the curled edge is extruded into the dust-proof groove of the outer ring of the bearing by a stamping die through gas-liquid pressurization stress, so that the mode has high requirements on the movement precision and the stamping structure of the stamping die (stamping head). The design and the assembly characteristics of the metal hemming dust cover of the bearing are combined, double-shaft guiding is adopted in the design of the existing pressure cylinder pressure equipment, and the die is transversely positioned by a screw, so that the die is unstable after being stressed by stamping, and the vertical precision of the die after being installed is low. After the structural mode is used for installing a die and machining, the dust cover has uneven stress (one side is deep and the other side is shallow) and uneven plane of the dust cover, and particularly, the structure is very easy to embody in an ultra-miniature deep groove bearing. The existing booster cylinder is formed by combining an oil cylinder, an empty oil conversion cylinder and a booster, and a double-shaft guide pressure mechanism is adopted.

The pressure cylinder is designed by combining the advantages of the cylinder and the oil cylinder, hydraulic oil is strictly isolated from compressed air, a piston rod in the cylinder is automatically started after contacting a workpiece, the action speed is high, the pressure cylinder is stable compared with air pressure transmission, the cylinder body device is simple, the output adjustment is easy, the high output of the oil press can be achieved under the same condition, the energy consumption is low, the soft landing does not damage a die, the installation is easy, the special pressure cylinder can be installed at any angle of 360 degrees, the occupied space is small, the fault is few, the trouble of temperature rise is avoided, the service life is long, the noise is small, and the like core characteristics are.

The booster cylinder is a hydraulic component that can convert an input pressure to output a higher pressure. The booster cylinder is formed by integrally combining an oil hydraulic cylinder and a booster, and works by utilizing the ratio of different pressurized cross-sectional areas of the booster and the Pascal energy conservation principle. The pressure is not changed, when the pressed area is changed from large to small, the pressure intensity can be changed along with the different sizes, so that the pressure effect of increasing the air pressure by tens of times is achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a four-axis direction pressure boost cylinder pressure device designs mould (the punching press head that has the type design) for the structure of rear end face screw back pressure assembly, has improved the stability of mechanism atress after the structural optimization, has improved the vertical precision of mould.

The technical scheme of the utility model is that the pressure device of the four-axis guide pressure cylinder comprises a four-axis guide, a pressure cylinder and a working table plate, wherein four corners of the working table plate are respectively provided with a four-axis guide mechanism, and the lower end surface of the pressure cylinder is provided with a die through screw thread back pressure; each shaft guide mechanism comprises a fixed shaft and a sliding end, and the sliding end is fixed with one corner of the working table plate.

The pressure cylinder is fixed at the upper end of the pressure device: the mold (protruding round platform) at the lower end of the pressure cylinder is guided by the four shafts to pick up the dust cover (sleeved on the dust cover) and is close to the mounting surface of the ultra-micro deep groove bearing, the pressure cylinder performs pressure boosting action, and then the dust cover is mounted and pressed on the surface of the bearing.

Beneficial effect to prior art's condition, the utility model discloses change the biax direction into the four-axis direction, design the mode of back end face screw thread back pressure to mould transverse orientation, improved the stability of mechanism atress after the configuration optimization, improved the vertical accuracy of mould. In particular to a pressure mechanism which can be applied to an ultra-micro deep groove bearing iron dust cover.

Drawings

Fig. 1 is a schematic view of the structural components of the present invention.

Detailed Description

As shown in the figure, the four-axis guide pressure cylinder pressure device comprises a four-axis guide 1, a pressure cylinder 2 and a working table plate 3, wherein the pressure cylinder is fixed on the working table plate, four corners of the working table plate are respectively provided with the four-axis guide mechanisms, the working table plate 3 can be arranged on a foundation through four support columns 5 at the four corners, and the four support columns are arranged on the periphery of the four-axis guide mechanisms; the lower end surface of the pressure cylinder is installed with a die 4 through thread back pressure; each shaft guide mechanism comprises a fixed shaft and a sliding end, and the sliding end is fixed with one corner of the working table plate. And (3) according to the size of the dustproof cover picked up by a pressure device mounting die (a convex circular platform), processing the die, a model selection press and the specification of four-axis guiding, and confirming the maximum stress state of the bearing to select a pressure accessory. And processing the parts according to the drawing of the die, and paying attention to the matching size among the parts. The structure shown in figure 1 is assembled, the jumping value of the vertical sliding of the guide shaft and the clearance between the shaft and the shaft sleeve are measured in the installation process, and the die positioning, the platform parallelism, the planeness and the like of the workbench are measured. After the die and the workbench are assembled, the die and the workbench are arranged on an equipment platform of the pressure cylinder by using the four-guide-column positioning rod in the figure 1. After installation, the stamping die is installed at the position shown in figure 1 and screwed, the center of the die is aligned with the bearing hole, the die is fastened after the stamping depth is adjusted OK, and the equipment is started to stamp a workpiece, and a pressing dust cover is installed on the surface of the bearing.

Claims

1. A four-axis guide pressure cylinder pressure device is characterized by comprising a four-axis guide, a pressure cylinder and a working table plate, wherein the working table plate is fixed by the pressure cylinder, and four corners of the working table plate are respectively provided with a four-axis guide mechanism; each shaft guide mechanism comprises a fixed shaft and a sliding end, and the sliding end is fixed with one corner of the working table plate; the pressure cylinder is fixed at the upper end of the pressure device: the four-axis guiding enables a protruding round platform of a die at the lower end of the pressure cylinder to pick up the dust cover; the lower end surface of the pressure cylinder is installed with a die through screw thread back pressure.

2. The four-axis guided booster cylinder pressure unit of claim 1, in which the table plate is mounted on the base by four posts at four corners, the four posts being on the outer periphery of the four-axis guide mechanism.