CN111924439A - High-precision three-station two-jig flexible stepping circulating device - Google Patents

Abstract

A high-precision three-station two-jig flexible stepping cycle device, comprising a base, a first movable jig platform, a second movable jig platform, a first track and a second track; A loading station, a working station and an unloading station are arranged in the horizontal direction X in sequence; the first track and the second track are respectively arranged on both sides of the base; the first moving jig platform includes a first jig assembly, a first Z A direction lifting device and a first X direction moving device; the second moving fixture platform includes a second fixture assembly, a second Z direction lifting device and a second X direction moving device. In the present invention, two sets of independent mobile jig platforms are used to eliminate the deviation caused by hardware manufacturing and assembly, and the upper and lower two-channel operation is realized through the lifting device, so that the two platforms can be operated in a flexible step-type cycle, and the reset accuracy of the equipment is ensured, and Guarantee the delivery speed of materials.

Description

A high-precision three-station two-jig flexible step cycle device

technical field

The invention relates to the field of fixture equipment, in particular to a high-precision three-station two-jig flexible stepping cycle device.

Background technique

In the existing equipment, the rotating disc is used to realize the three-station material transfer and the circulation of the positioning jig.

However, as the size of the material increases, the diameter of the rotating disc also increases. The accuracy of the driving part is a fixed angular deviation, which causes the position deviation of the material placed on the disc to increase with the increase of the diameter of the disc.

Three sets of jigs are required to realize the three-station cycle. The positions between the jigs and the jigs are relatively fixed. When processing materials, there will be consistency between the three sets of jigs, resulting in different jigs in the same jig. There is a certain deviation in the working position.

SUMMARY OF THE INVENTION

(1) Purpose of the invention

In order to solve the technical problems existing in the background art, the present invention proposes a high-precision three-station two-jig flexible stepping cycle device.

(2) Technical solutions

In order to solve the above problems, the present invention proposes a high-precision three-station two-jig flexible stepping cycle device, which includes a base, a first mobile jig platform, a second mobile jig platform, a first track and a second track;

A workbench is set on the upper surface of the base, and the workbench is set with three areas in turn along the horizontal direction X, which are recorded as three stations, namely the feeding station, the working station and the unloading station;

The first track and the second track are respectively arranged on both sides of the base;

The first moving jig platform includes a first jig assembly, a first Z-direction lifting device and a first X-direction moving device; A first power mechanism for the X-direction moving device to move along the first track;

The second moving fixture platform includes a second fixture assembly, a second Z-direction lifting device and a second X-direction moving device; the second X-direction moving device is arranged on the second rail, and the second rail is provided with A second power mechanism for moving the device in the X direction along the second track;

Wherein, when the first Z-direction lifting device and the second Z-direction lifting device rise to the highest position, the moving channel of the first Z-direction lifting device and the second Z-direction lifting device is the upper channel, that is, the work transfer material channel;

When the first Z-direction lifting device and the second Z-direction lifting device descend to the lowest position, the moving channel of the first Z-direction lifting device and the second Z-direction lifting device is the lower channel, that is, the jig return channel.

Preferably, the first power mechanism and the second power mechanism are both linear motors, and the reset accuracy of the linear motors is ±1 μm; the movement deviation of the first moving fixture platform and the second moving fixture platform is within the range of ±2 μm.

Preferably, it includes the following working steps:

S1: The first fixture assembly moves from the feeding station to the working station with the material extending from the upper channel; at the same time, the second fixture assembly extends from the lower channel to the feeding station and moves to the feeding station, and rises to the upper channel take material;

S2: After the second jig assembly is finished taking the material, the second jig assembly moves up the channel with the material, and moves to the side of the first jig assembly, that is, next to the working position, and waits;

S3: After the work station task is completed, the first fixture assembly is moved from the work station to the unloading station by extending the channel; at the same time, the second fixture assembly is moved to the work station by extending the channel, and then the work station task is performed;

S4: After the blanking of the first fixture assembly is completed, the lower passage is moved from the blanking station to the loading station for reclaiming;

S5: After the first jig assembly is completed, the first jig assembly moves up the channel with the material, and moves to the side of the second jig assembly, that is, next to the working position, and waits;

S6: After the second fixture assembly completes the task at the working position, it extends the channel from the working station and moves to the unloading station for unloading; at the same time, the first fixture assembly extends the channel to move to the working station, and then carries out Workplace tasks;

S7: Repeat S1-S6 to realize the flexible step-type cyclic feeding process of the first jig assembly and the second jig assembly.

In the present invention, two sets of independent mobile jig platforms are used to eliminate the deviation caused by hardware manufacturing and assembly, and the upper and lower two-channel operation is realized through the lifting device, so that the two platforms can be operated in a flexible step-type cycle, and the reset accuracy of the equipment is ensured, and Guarantee the delivery speed of materials.

Description of drawings

FIG. 1 is a schematic perspective view of a high-precision three-station two-jig flexible stepping cycle device proposed by the present invention.

FIG. 2 is a top view of the high-precision three-station two-jig flexible stepping cycle device proposed by the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the specific embodiments and the accompanying drawings. It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts of the present invention.

As shown in Figures 1-2, a high-precision three-station two-jig flexible stepping cycle device proposed by the present invention includes a base 3, a first mobile jig platform 1, a second mobile jig platform 2, and a first track 71 and the second track 72;

A workbench is set on the upper surface of the base 3, and the workbench is set with three areas in turn along the horizontal direction X, which are recorded as three stations, which are respectively the loading station 4, the working station 5 and the unloading station 6;

The first rail 71 and the second rail 72 are respectively arranged on both sides of the base 3;

The first moving fixture platform 1 includes a first fixture assembly 11, a first Z-direction lifting device 12 and a first X-direction moving device 13; the first X-direction moving device 13 is arranged on a first rail 71, and the first rail 71 There is a first power mechanism for driving the first X-direction moving device 13 to move along the first track 71;

The second moving fixture platform 2 includes a second fixture assembly 21 , a second Z-direction lifting device 22 and a second X-direction moving device 23 ; the second X-direction moving device 23 is arranged on the second rail 72 , and the second rail 72 There is a second power mechanism for driving the second X-direction moving device 23 to move along the second track 72;

Wherein, when the first Z-direction lifting device 12 and the second Z-direction lifting device 22 are raised to the highest position, the moving channel of the first Z-direction lifting device 12 and the second Z-direction lifting device 22 is the upper channel, that is, the work transmission material channel;

When the first Z-direction lifting device 12 and the second Z-direction lifting device 22 descend to the lowest position, the moving channel of the first Z-direction lifting device 12 and the second Z-direction lifting device 22 is the lower channel, that is, the fixture return channel .

In an optional embodiment, the first power mechanism and the second power mechanism are both linear motors, and the reset accuracy of the linear motors is ±1 μm;

The movement deviation of the first mobile jig platform 1 and the second mobile jig platform 2 is within a range of ±2 μm.

In an optional embodiment, the first track 71 and the second track 72 are closed annular tracks, which run smoothly and are convenient to use.

In an optional embodiment, the first track 71 and the second track 72 are straight lines, and the first moving fixture platform 1 and the second moving fixture platform 2 extend the first track 71 and the second track 72 respectively to make a straight line Move back and forth.

In the present invention, two sets of independent mobile jig platforms (the first mobile jig platform 1 and the second mobile jig platform 2) are used to eliminate the deviation caused by hardware manufacturing and assembly, and the lifting device (the first Z-direction lifting device 12) and the second Z-direction lifting device) to realize the operation of the upper and lower channels (upper channel and lower channel), so that the two platforms can step flexibly and operate according to a custom trajectory.

Among them, the first power mechanism and the second power mechanism are both linear motors to ensure the reset accuracy of the equipment and the transmission speed of materials.

The high-precision three-station two-jig flexible stepping cycle device includes the following working steps:

S1: The first jig assembly 11 is moved from the feeding station 4 to the working station 5 with the material extending through the upper channel; at the same time, the second jig assembly 21 is moved down the channel from the unloading station 6 to the feeding station 4 position place, and rise to the upper channel for reclaiming;

S2: After the second jig assembly 21 is finished taking the material, the second jig assembly 21 moves along the channel with the material, and moves to the side of the first jig assembly 11, that is, next to the working position, and waits;

S3: After the work station task is completed, the first jig assembly 11 is moved from the working station 5 to the unloading station 6 along the channel; perform worksite tasks;

S4: After the first jig assembly 11 is finished blanking, the lower passage is moved from the blanking station 6 to the loading station 4 to take the material;

S5: After the first jig assembly 11 is finished taking the material, the first jig assembly 11 moves along the channel with the material, and moves to the side of the second jig assembly 21, that is, next to the working position, and waits;

S6: After the second jig assembly 21 completes the task at the working position, it extends the channel from the working station 5 and moves to the unloading station 6 for unloading; at the same time, the first jig assembly 11 extends the upper channel and moves to the working station Bit 5, and then perform the work bit task;

S7: Repeat S1-S6 to realize the flexible step-type cyclic feeding process of the first jig assembly 11 and the second jig assembly 21.

In the present invention, the cycles S1-S5 are repeated to realize the flexible step-type cyclic feeding process of the first jig assembly 11 and the second jig assembly 21 . According to the above work flow, when the equipment is transferring materials, the first fixture assembly 11 and the second fixture assembly 21 are in the three stations (the loading station 4, the working station 5 and the unloading station 6). The position is independently controlled, and the deviation of the mechanical hardware part can be eliminated through the control system, so that the movement deviation of the first fixture assembly 11 and the second fixture assembly 21 can be controlled within ±2μm, and the equipment accuracy will not change with the size of the material. and change.

It should be understood that the above-mentioned specific embodiments of the present invention are only used to illustrate or explain the principle of the present invention, but not to limit the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made without departing from the spirit and scope of the present invention should be included within the protection scope of the present invention. Furthermore, the appended claims of this invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalents of such scope and boundaries.

Claims (3)

1. A high-precision three-station two-jig flexible stepping circulating device is characterized by comprising a base (3), a first movable jig platform (1), a second movable jig platform (2), a first rail (71) and a second rail (72);

a workbench is arranged on the upper surface of the base (3), and three areas, namely a feeding station (4), a working station (5) and a discharging station (6), are sequentially arranged on the workbench along the horizontal direction X;

the first rail (71) and the second rail (72) are respectively arranged on two sides of the base (3);

the first movable jig platform (1) comprises a first jig assembly (11), a first Z-direction lifting device (12) and a first X-direction moving device (13); the first X-direction moving device (13) is arranged on the first track (71), and a first power mechanism for driving the first X-direction moving device (13) to move along the first track (71) is arranged on the first track (71);

the second movable jig platform (2) comprises a second jig assembly (21), a second Z-direction lifting device (22) and a second X-direction moving device (23); the second X-direction moving device (23) is arranged on the second track (72), and a second power mechanism for driving the second X-direction moving device (23) to move along the second track (72) is arranged on the second track (72);

when the first Z-direction lifting device (12) and the second Z-direction lifting device (22) are lifted to the highest positions, the moving channels of the first Z-direction lifting device (12) and the second Z-direction lifting device (22) are upper channels, namely, work transfer material channels;

when the first Z-direction lifting device (12) and the second Z-direction lifting device (22) are lowered to the lowest position, the moving channels of the first Z-direction lifting device (12) and the second Z-direction lifting device (22) are lower channels, i.e. jig return channels.

2. The high-precision three-station two-jig flexible stepping circulating device of claim 1, wherein the first power mechanism and the second power mechanism are linear motors, and the resetting precision of the linear motors is ± 1 μm;

the movement deviation of the first movable jig platform (1) and the second movable jig platform (2) is within the range of +/-2 mu m.

3. The high-precision three-station two-jig flexible stepping circulating device according to any one of claims 1 to 3, comprising the following working steps:

s1: the first jig component (11) with the material extending channel moves from the feeding station (4) to the working station (5); meanwhile, the second jig assembly (21) moves from the blanking station (6) to the feeding station (4) along the lower channel and rises to the upper channel to take materials;

s2: after the second jig assembly (21) finishes material taking, the second jig assembly (21) takes the material to move along the channel, and moves to the side of the first jig assembly (11), namely the side of a working position, to wait;

s3: after the work station task is completed, the first jig assembly (11) moves from the work station (5) to the blanking station (6) along the upper channel; meanwhile, the second jig component (21) moves to a working station (5) along the upper channel, and then the working station task is carried out;

s4: after the first jig assembly (11) finishes blanking, the lower channel is extended to move from the blanking station (6) to the feeding station (4) for taking;

s5: after the first jig assembly (11) finishes taking materials, the first jig assembly (11) takes the materials to move along the upper channel and moves to the side of the second jig assembly (21), namely the side of a working position, and waits;

s6: after the second jig assembly (21) completes the task at the working position, the second jig assembly extends to the channel to perform blanking from the working position (5) and moves to the blanking position (6); meanwhile, the first jig component (11) moves to a working station (5) along the upper channel, and then a working station task is carried out;

s7: and repeating the steps S1-S6 to realize the flexible stepping type circulating feeding process of the first jig assembly (11) and the second jig assembly (21).

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