CN216039733U

CN216039733U - Four-station material tray mechanism for feeding and discharging of hub bearing double-station automatic line machine tool workpiece

Info

Publication number: CN216039733U
Application number: CN202122148359.1U
Authority: CN
Inventors: 杨继贤; 武瑞; 杨晓东
Original assignee: Luoyang Shining Inducation Heating Co ltd
Current assignee: Luoyang Shining Inducation Heating Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-03-15
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a four-station material tray mechanism for loading and unloading workpieces of a hub bearing double-station automatic line machine tool, which comprises a four-station material tray and a clamping jaw assembly for clamping the workpieces, wherein the four-station material tray is of a plate-shaped structure, a material tray joint is arranged in the middle of the upper end surface of the four-station material tray and is fixedly connected with an external machine tool through keys, chamfers are formed at four corners of the four-station material tray, four groups of clamping jaw assemblies are arranged at the four chamfers, four fixed interfaces which are matched and connected with the clamping jaw assemblies are arranged on the lower end surface of the four-station material tray, the clamping jaw assembly comprises a gas jaw and connecting seats for mounting a clamping jaw I or a clamping jaw II, the gas jaw is of a parallel opening and closing structure, two connecting seats are arranged in each group, and the clamping jaws are symmetrically arranged on two sides of the gas jaw and used for driving the clamping jaw I or the clamping jaw II to clamp a workpiece according to the opening and closing driving of the gas jaw. The device can reduce the production beat of parts and obviously improve the productivity.

Description

Four-station material tray mechanism for feeding and discharging of hub bearing double-station automatic line machine tool workpiece

Technical Field

The utility model belongs to the technical field of heat treatment, and particularly relates to a four-station tray mechanism for feeding and discharging a wheel hub bearing double-station automatic line machine tool workpiece.

Background

The main functions of the hub bearing are to bear weight and provide precise guidance for the rotation of the hub, which requires that it can bear not only axial load but also radial load, and the strength and fatigue life of the hub bearing are closely related to the heat treatment process of the bearing. Quenching part of the hub bearing: the outer hub quenching part is an inner hole, and the inner hub quenching part is an outer circle.

The most common use in the past for passenger car hub bearings has been the use of single row tapered rollers or ball bearings in pairs. With the development of technology, passenger cars have widely used passenger car hub units. The use range and the use amount of the hub bearing unit are increasing, and the third generation, i.e. the reduction of the weight of the axle by the integrated and miniaturized design, has been developed.

The hub bearing double-station automatic line machine tool improves the control precision and the mobile positioning precision of the inductor and the stability of the output power of the induction heating power supply through a reasonable process technology. The hub bearing double-station machine tool is in an automatic line form, the equipment comprises an automatic workpiece feeding mechanism, a double-station workpiece excircle quenching mechanism, an automatic discharging mechanism, an internal robot and the like, and various actions are automatically completed. The internal robot realizes the loading and unloading of workpieces among stations through a material tray.

An internal robot material tray in the prior art is generally single-station and at most double-station, and the internal robot moves back and forth on a feeding mechanism, a double-station workpiece excircle quenching mechanism and an automatic discharging mechanism to realize feeding and discharging of workpieces at each station; due to the limitation of the material tray structure, the back-and-forth movement sequence of the internal robot is more, and particularly, the time for moving once on a linearly arranged double-station automatic wire machine tool is longer, so that the production beat of parts is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a hub bearing double-station automatic line machine tool workpiece feeding and discharging four-station material tray mechanism, which not only can reduce the production beat of parts, but also can obviously improve the productivity; the clamping jaw assembly can be adapted to the production of parts under different conditions through different forms of clamping jaw assembly structures.

In order to achieve the purpose, the utility model adopts the following technical scheme: wheel hub bearing duplex position transfer machine tool work piece goes up quadruplex position charging tray mechanism of unloading, include the quadruplex position charging tray and be used for pressing from both sides the clamping jaw subassembly of getting the work piece, the quadruplex position charging tray is platelike structure, is provided with the charging tray joint in the up end intermediate position of quadruplex position charging tray, the charging tray joint passes through key and outside lathe fixed connection, and four edges of quadruplex position charging tray are formed with the chamfer, installs four clamping jaw subassemblies of group in four chamfers department, is provided with four fixed interfaces of being connected with clamping jaw subassembly is supporting at the lower terminal surface of quadruplex position charging tray, the clamping jaw subassembly includes the gas claw and is used for installing the connecting seat of clamping jaw I or clamping jaw II, the gas claw is the parallel structure that opens and shuts, and every group connecting seat is provided with two, and the symmetry is installed in the gas claw both sides for according to the drive that opens and shuts of gas claw, drive clamping jaw I or clamping jaw II press from both sides and get the work piece.

As preferred scheme, the connecting seat is L shape structure, and its first short arm and gas claw fixed connection, its second short arm and clamping jaw I or clamping jaw II fixed connection.

Preferably, a limiting step for fixing the clamping jaw I or the clamping jaw II is formed at the second short arm.

Preferably, the clamping jaw I and/or the clamping jaw II are fixedly arranged on the connecting seat through a bolt assembly.

Preferably, the clamping jaw I is used for clamping an inner hub excircle of a fixed hub bearing, and comprises two oppositely arranged clamping plates, and a V-shaped groove is formed in the inner sides of the clamping plates.

As preferred scheme, clamping jaw II is used for pressing from both sides the outer wheel hub hole of getting and propping wheel hub bearing, and clamping jaw II is including supporting the mounting panel, and the parallel two bracing pieces that are provided with on the homonymy terminal surface that supports the mounting panel.

As the preferred scheme, protruding step structures are formed at the upper end and the lower end of the supporting rod.

As preferred scheme, the gas claw includes the cylinder and sets up first gas claw and the second gas claw on the cylinder, and the connecting seat is installed on first gas claw and second gas claw respectively symmetrically.

Preferably, each set of two fixed interfaces is arranged at 180 degrees diagonally.

Advantageous effects

The four-station material tray mechanism can store materials at two stations and feed and discharge materials at two stations, two unprocessed workpieces can be simultaneously grabbed on the automatic feeding mechanism and conveyed to a double-station machine tool, feeding and discharging between stations are realized through rotation of the material tray, the number of times of back-and-forth movement of an internal robot between the automatic feeding mechanism and the automatic discharging mechanism is reduced, and therefore the part production beat is reduced, and compared with 28 s/part in the prior art, the four-station material tray mechanism remarkably improves the productivity.

The outer circle clamping jaw assembly is clamped and can be used for quenching the double-station inner hub; and the inner hole supporting clamping jaw assembly is used for quenching the outer hub at double stations. The four-station tray mechanism can meet the part production requirements of different conditions through the combination of clamping jaw component mechanisms in different forms.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a block diagram of one embodiment of a four-station tray mechanism of the present invention;

FIG. 2 is a block diagram of another embodiment of a four-station tray mechanism of the present invention;

the labels in the figure are: 1. quadruplex position charging tray, 11, charging tray joint, 2, gas claw, 3, connecting seat, 4, clamping jaw I, 5, clamping jaw II, 51, support mounting panel, 52, bracing piece, 6, bolt assembly.

Detailed Description

The utility model is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

It should be noted that: unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" or "the" and similar referents in the description and claims of the present invention are not to be construed as limiting in number, but rather as indicating the presence of at least one. The word "comprise" or "comprises", and the like, indicates that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, but does not exclude other elements or items having the same function.

As shown in the figure, this scheme quadruplex position charging tray mechanism includes quadruplex position charging tray 1 and installs the clamping jaw subassembly on quadruplex position charging tray 1, and quadruplex position charging tray 1 is platelike structure, is provided with two sets of fixed interfaces that match with the clamping jaw subassembly totally four at quadruplex position charging tray 1's lower terminal surface, and two fixed interfaces of every group all are 180 diagonal distributions, and the clamping jaw subassembly in this scheme divide into according to the function demand and presss from both sides excircle clamping jaw subassembly and props hole clamping jaw subassembly.

In this scheme, quadruplex position charging tray 1 is the platelike structure that four corners were formed with the chamfer, intermediate position at quadruplex position charging tray 1 is provided with charging tray joint 11, wherein the charging tray is connected and is formed with the keyhole that carries out fixed connection with outside lathe in 11, it is provided with four through-holes to connect 11 around the charging tray, be used for carrying out fixed connection through the parallel key with outside lathe, clamping jaw unit mount is in quadruplex position charging tray 1's chamfer position, and gas claw 2 is the parallel structure that opens and shuts, clamping jaw unit passes through connecting seat 3 and carries out fixed connection with gas claw 2, under the drive of gas claw 2, connecting seat 3 drives clamping jaw I4 or clamping jaw II 5 and unclamps or press from both sides tight work piece, wherein clamping jaw I4 is used for the quenching of wheel hub in the duplex position, clamping jaw II 5 is used for the quenching of wheel hub in the duplex position.

The four-station material tray mechanism can have at least three combination modes, and is used for producing parts which are adaptive to different conditions through clamping jaw component structures in different forms. One way is a double station quenched outer clamping jaw assembly for an inner hub; as shown in fig. 1, four corners of a four-station material tray 1 are provided with four groups of excircle clamping jaw assemblies, each excircle clamping jaw assembly comprises a gas claw 2, two connecting seats 3 and a clamping jaw I4, wherein the gas claws 2 are of parallel opening and closing structures and are used for providing driving force for clamping an inner hub, fixing interfaces for fixedly mounting the connecting seats 3 are arranged on opening and closing surfaces on two sides of the gas claws 2, and connecting limit positions of the connecting seats 3 are arranged on the opening and closing surfaces of the gas claws 2, the gas claws 2 in the scheme adopt standard components and comprise cylinders and first gas claws and second gas claws arranged on the cylinders, the cylinders drive the first gas claws and the second gas claws to perform opening and closing motions, the two connecting seats 3 are respectively and correspondingly arranged on the first gas claws and the second gas claws and are fixed through bolt assemblies 6, the connecting seats 3 are of L-shaped structures consisting of first short arms and second short arms, wherein the first short arms are fixedly connected with the first gas claws or the second gas claws, limiting steps are formed on the second short arm, the limiting steps are used for installing and fixing the clamping jaw I4 through the bolt assembly 6 and are limited, the clamping jaw I4 is composed of two clamping blocks which are symmetrically arranged, V-shaped grooves are formed in opposite side faces of the two clamping blocks, the V-shaped grooves are in contact with the outer circular face of the inner hub, and the two clamping blocks can be opened and closed to clamp and loosen the outer circle of a workpiece.

The other mode is that an inner hole clamping jaw assembly is supported in double-station quenching of an outer hub, as shown in fig. 2, four groups of inner hole clamping jaw assemblies are arranged at four corners of a four-station material tray 1, each inner hole clamping jaw assembly comprises an air claw 2, two connecting seats 3 and a clamping jaw II 5, wherein each air claw 2 is of a parallel opening and closing structure and is used for providing driving force for supporting the outer hub, connecting limiting faces on two sides of each air claw 2 are used for installing the connecting seats 3, each air claw 2 in the scheme is a standard component and comprises an air cylinder and a first air claw and a second air claw which are arranged on the air cylinder, the air cylinder drives the first air claw and the second air claw to perform opening and closing movement, the two connecting seats 3 are respectively and correspondingly arranged on the first air claw and the second air claw and are fixed through a bolt assembly 6, each connecting seat 3 is of an L-shaped structure consisting of a first short arm and a second short arm, wherein the first short arm is fixedly connected with the first air claw or the second air claw, be formed with spacing step on the second forearm, spacing step department is used for installing fixed spacing to clamping jaw II 5 through bolt assembly 6, wherein clamping jaw II 5 is including being located the vaulting pole subassembly on two connecting seats 3 respectively, the vaulting pole subassembly comprises support mounting panel 51 and the bracing piece 52 that is located support mounting panel 51 homonymy, bracing piece 52 is provided with two in parallel, and the perpendicular to supports the terminal surface setting of mounting panel 51, bracing piece 52 passes through bolt assembly 6 to be fixed on supporting mounting panel 51, two sets of vaulting pole subassemblies are opened and shut and to be realized propping tightly and loosening the work piece hole.

The third mode that this scheme still provided is, in an embodiment not attached, the charging tray mechanism includes that two sets of hole clamping jaw subassemblies that prop and two sets of clamping excircle clamping jaw subassemblies, can be used to the interior hub in duplex position and the alternately quenching of foreign steamer hub, and concrete structure is: be provided with the outer circle clamping jaw subassembly that presss from both sides that contains clamping jaw I4 in one side of quadruplex position charging tray 1 for press from both sides and get fixed interior hub, be provided with the hole clamping jaw subassembly that props that contains clamping jaw II 5 at the opposite side, be used for pressing from both sides to press from both sides and prop tight outer hub, other structures and principle are unanimous with above-mentioned two kinds of modes, thereby through the rotation of quadruplex position charging tray 1, can realize the interior hub of duplex position and the alternately quenching of outer hub.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. Wheel hub bearing duplex position transfer machine lathe work piece unloading's quadruplex position charging tray mechanism, its characterized in that: comprises a four-station material tray (1) and a clamping jaw assembly used for clamping a workpiece, wherein the four-station material tray (1) is of a plate-shaped structure, a material tray joint (11) is arranged in the middle of the upper end surface of the four-station material tray (1), the material tray joint (11) is fixedly connected with an external machine tool through a key, four corners of the four-station material tray (1) are provided with chamfers, four groups of clamping jaw assemblies are arranged at the four chamfers, four fixed interfaces which are matched and connected with the clamping jaw assemblies are arranged on the lower end surface of the four-station material tray (1), the clamping jaw assembly comprises a pneumatic jaw (2) and a connecting seat (3) for installing a clamping jaw I (4) or a clamping jaw II (5), the gas claw (2) is of a parallel opening and closing structure, two connecting seats (3) are arranged in each group and symmetrically arranged at two sides of the gas claw (2), the clamping jaw I (4) or the clamping jaw II (5) is driven to clamp a workpiece according to opening and closing driving of the gas jaw (2).

2. The hub bearing double-station automatic line machine tool workpiece feeding and discharging four-station tray mechanism of claim 1, which is characterized in that: the connecting seat (3) is of an L-shaped structure, a first short arm of the connecting seat is fixedly connected with the gas claw (2), and a second short arm of the connecting seat is fixedly connected with the clamping jaw I (4) or the clamping jaw II (5).

3. The hub bearing double-station automatic line machine tool workpiece feeding and discharging four-station tray mechanism of claim 2, which is characterized in that: and a limiting step for fixing the clamping jaw I (4) or the clamping jaw II (5) is formed at the second short arm.

4. The hub bearing double-station automatic line machine tool workpiece feeding and discharging four-station tray mechanism of claim 3, which is characterized in that: clamping jaw I (4) and/or clamping jaw II (5) pass through bolt assembly (6) fixed mounting on connecting seat (3).

5. The hub bearing double-station automatic line machine tool workpiece feeding and discharging four-station tray mechanism of claim 4, characterized in that: clamping jaw I (4) are used for pressing from both sides the interior wheel hub excircle of getting fixed wheel hub bearing, and clamping jaw I (4) include the splint of two relative settings, are formed with V type groove in the inboard of splint.

6. The hub bearing double-station automatic line machine tool workpiece feeding and discharging four-station tray mechanism of claim 4, characterized in that: the clamping jaw II (5) is used for clamping an outer hub inner hole tightly supporting a hub bearing, the clamping jaw II (5) comprises a supporting mounting plate (51), and two supporting rods (52) are arranged on the end face of the same side of the supporting mounting plate (51) in parallel.

7. The hub bearing double-station automatic line machine tool workpiece feeding and discharging four-station tray mechanism of claim 6, which is characterized in that: the upper end and the lower end of the support rod (52) are both provided with a raised step structure.

8. The hub bearing double-station automatic line machine tool workpiece feeding and discharging four-station tray mechanism of claim 1, which is characterized in that: gas claw (2) include the cylinder and set up first gas claw and the second gas claw on the cylinder, connecting seat (3) symmetry is installed on first gas claw and second gas claw.

9. The hub bearing double-station automatic line machine tool workpiece feeding and discharging four-station tray mechanism of claim 1, which is characterized in that: each group of two fixed interfaces is arranged in 180-degree diagonal.