CN217995957U - Marble retainer suitable for high-precision metal frame - Google Patents

Abstract

The utility model discloses a marble holder that high accuracy metal frame is suitable for relates to auxiliary machinery technical field, and it can partially solve conventional supplementary handling device among the prior art at least and can't reach its problem of super high accuracy requirement when measuring. The marble holder applicable to the high-precision metal frame comprises a marble holder body fixed on a working plane of measuring equipment, wherein the surface flatness of the top of the marble holder body is less than or equal to 0.03mm; the marble has a thickness greater than a height difference between the bottom surface of the gripper of the manipulator and the bottom surface of the metal frame when the metal frame is clamped.

Description

Marble retainer suitable for high-precision metal frame

Technical Field

The utility model relates to an auxiliary machinery technical field, concretely relates to marble holder that high accuracy metal frame is suitable for.

Background

In the quality detection process of the planar metal frame produced by machining, the metal frame needs to be conveyed to measuring equipment for precision measurement. Generally, in order to solve the problem that such a flat metal frame product is conveyed to a measuring device, if a manipulator is used for conveying, the metal frame cannot be smoothly clamped by the manipulator due to the fact that the metal frame is in plane contact with a working plane of the measuring machine, and therefore, manual conveying is adopted at the present stage of a production line.

When the planar metal frame is manually conveyed to the measuring equipment, the characteristics of heavy weight, large size and high precision of the metal frame can cause a plurality of problems during conveying, such as: hands need to be summoned in advance before carrying (time consuming); the transportation needs assistance of a plurality of people (the labor cost is increased); the physical strength of the operators is consumed in the transportation (the labor is wasted); the operators have great potential safety hazards; the metal frame and the equipment can not be rubbed or collided during the transportation, so that the service life of the equipment is reduced or the equipment is damaged, and the surface of the plane metal frame is scratched or damaged.

In order to facilitate the carrying of the planar metal frame during the measurement operation, the device for assisting the carrying of the planar metal frame during the measurement becomes necessary, and for most planar metal frames, the surface flatness of the device reaches about 0.1mm to meet the precision requirement, but for the planar metal frame with ultrahigh precision requirement, the precision requirement at least reaches 0.03mm, and the conventional auxiliary carrying device cannot meet the precision requirement during the measurement of the metal frame.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a marble holder that high accuracy metal frame is suitable for solve among the prior art conventional supplementary handling device can't reach its problem of super high accuracy requirement when measuring.

In order to solve the technical problem, the utility model discloses a following scheme:

the utility model discloses a marble holder that high accuracy metal frame is suitable for, including the marble support body that is fixed in the working plane of measuring equipment, the surface flatness of the top of the marble support body is less than or equal to 0.03mm; the marble has a thickness larger than a height difference between the bottom surface of the gripper of the manipulator and the bottom surface of the metal frame when the metal frame is clamped.

Optionally, the thickness of the marble frame body is at least 100mm and at most 350mm.

Optionally, be equipped with the sharp driving piece that is used for supplementary metal frame to place in the marble support body, the output of sharp driving piece is located its top, and vertical direction can be followed to the output of sharp driving piece in the top of marble support body top surface, below removal.

Optionally, the number of the linear driving pieces is at least three, and soft buffer layers are arranged at the tops of the output ends of the linear driving pieces.

Optionally, the quantity of sharp driving piece is four, four dog-ear departments of marble support body are provided with four mounting holes, and four sharp driving pieces inlay respectively and locate four mounting holes in.

Optionally, the linear driving element includes a lifting motor, an electric cylinder, and an electric telescopic rod, and an output end of the lifting motor can move in the vertical direction.

Optionally, the shape of the marble frame body is a hollow frame structure in the middle area.

Optionally, two opposite end faces of the marble frame body are provided with notches for picking and placing the metal frame by a mechanical arm clamp.

Optionally, still including the locating component who is used for supplementary metal frame location when carrying, locating component includes at least one horizontal setting element A of location metal frame and at least one vertical setting element B of location metal frame, setting element A and setting element B all detachable set up in on the marble support body.

Optionally, the end face of the marble frame body is provided with a hoisting hole, and a detachable hoisting ring is arranged in the hoisting hole.

Optionally, the marble frame body is provided with a positioning hole corresponding to the threaded hole in the working plane, and the marble frame body is fixed on the working plane through a bolt.

The utility model has the advantages that:

the utility model discloses a marble retainer applicable to a high-precision metal frame, which comprises a marble frame body fixed on a working plane of measuring equipment, wherein the surface flatness of the top of the marble frame body is less than or equal to 0.03mm; the marble has a thickness greater than a height difference between the bottom surface of the gripper of the manipulator and the bottom surface of the metal frame when the metal frame is clamped.

The effect is as follows:

1. the surface flatness is less than or equal to 0.03mm, and the metal frame with ultrahigh precision requirement can be assisted to be carried, so that the problem that the conventional auxiliary carrying device cannot meet the ultrahigh precision requirement is solved;

2. the support body of marble material and measuring equipment working plane's material are the marble, therefore the plane laminating degree is better, and can keep better stress uniformity with working plane after the installation of marble support body.

Drawings

Fig. 1 is a schematic perspective view of a manipulator in an embodiment of the present invention;

fig. 2 is a schematic top view of a working plane of a measuring device according to an embodiment of the present invention;

fig. 3 is a schematic top view of the metal frame according to the embodiment of the present invention;

fig. 4 is a schematic perspective view of an embodiment of the present invention;

fig. 5 is a schematic top view of the embodiment of the present invention.

Description of reference numerals:

100-air balance manipulator, 11-arm hand, 12-clamp, 200-metal frame, 300-marble frame body, 31-linear driving piece, 32-mounting hole, 33-notch, 34-positioning hole, 35-positioning component, 351-positioning piece A, 352-positioning piece B, 36-hoisting hole, 400-working plane and 401-threaded hole.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the terms are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "opened," "mounted," "connected," and "connected" are to be construed broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention is explained in detail below with reference to the figures and with reference to exemplary embodiments:

as shown in fig. 1 to 5, a marble holder for a high-precision metal frame includes a marble holder body 300 fixed to a work plane 400 of a measuring device, wherein the surface flatness of the top of the marble holder body 300 is less than or equal to 0.03mm; the marble has a thickness greater than a height difference between the bottom surface of the robot gripper 12 and the bottom surface of the metal frame 200 when the metal frame 200 is gripped.

As shown in fig. 1, in the present embodiment, the mechanical equipment for transporting the metal frame 200 is the air balance robot 100, the arm 11 of the air balance robot 100 is provided with 4 clamps 12, and the mechanical wall of the air balance robot 100 is turned over, so that the arm 11 is in a horizontal state or a vertical state, as shown in fig. 2, the measuring equipment for measuring the metal frame 200 in the present embodiment is a three-coordinate measuring machine, the three-coordinate measuring machine has one working plane 400, when the metal frame 200 needs to measure data, the metal frame 200 needs to be transported to the working plane 400 of the three-coordinate measuring machine, because the working plane 400 needs to be larger than the size of the metal frame 200, and the working plane 400 is in large plane contact with the metal frame 22, the clamps 12 cannot clamp the metal frame 200 on the working plane 400, and the metal frame 200 cannot be directly placed on the working plane 400 through the clamps 12, the three-coordinate measuring machine and the air balance robot 100 in the present embodiment are both existing mechanical equipment. The metal frame 200 in this example is a 45# steel frame.

In this embodiment, the marble frame body 300 is arranged on the working plane 400 of the measuring device, and the thickness of the marble frame body 300 is greater than the height difference between the bottom surface of the clamp 12 of the manipulator and the bottom surface of the metal frame 200 when the manipulator clamp 12 clamps the metal frame 200, and the surface flatness of the top of the marble frame body 300 is less than or equal to 0.03mm, so that after the manipulator clamp 12 clamps the metal frame 200, the manipulator clamp 12 can directly place the metal frame 200 on the top surface of the marble frame body 300 horizontally, and the surface flatness of the top of the marble frame body 300 can meet the ultra-high precision requirement of the metal frame 200 in measurement, thereby solving the problem that the conventional auxiliary carrying device in the prior art cannot meet the ultra-high precision requirement of the metal frame 200 in measurement. In the conventional materials, the precision of the processed metal frame can hardly reach 0.03mm, or the processed metal frame has high difficulty and high processing cost when the surface flatness reaches 0.03mm, so that the marble is selected as the material of the frame body 300, the surface flatness of the processed marble can reach 0.03mm, and the ultrahigh precision requirement of the metal frame 200 is met; simultaneously, the support body of marble material and measuring equipment's work plane 400's material are the marble, can be so that marble bottom and work plane 400 are better for other materials laminating degree, can keep better stress uniformity with work plane 400 after the installation, improve life.

After the retainer is used for assisting in carrying, the labor cost is estimated:

the metal frame 200 is assisted by the retainer in carrying, so that the labor cost can be effectively reduced, and the working benefit is improved.

Optionally, the thickness of the marble frame body 300 is at least 100mm and at most 350mm, and the thickness of the marble frame body 300 can also be 120mm, 140mm, 160mm, 180mm, 200mm, 220mm, 240mm, 260mm, 280mm, 300mm, 320mm, 340mm, 350mm; in this embodiment, the thickness of marble support body 300 is 200mm, and the surface flatness of the support body 300 top surface of marble material can satisfy the requirement of ultra-high precision, but the material of marble self is more fragile, consequently, can not be cracked for guaranteeing the marble support body, need make its thickness reach 100mm at least, simultaneously, because the measuring machine has the biggest loading capacity usually, consequently, for avoiding the measuring machine overweight, under the normal conditions, the biggest thickness of marble support body is 350mm.

Preferably, a linear driving member for assisting the metal frame 200 to be placed is arranged in the marble frame body 300, an output end of the linear driving member is located at the top of the linear driving member, and the output end of the linear driving member can move above and below the top surface of the marble frame body 300 along the vertical direction. Through setting up the straight line driving piece, and the output of straight line driving piece can be followed vertical direction in the top of marble support body 300 top surface, the below removes, can avoid the damage that metal frame 200 directly dropped and cause on marble support body 300 top surface, in the handling of metal frame 200, 12 centre gripping metal frames 200 of the clamp of manipulator are located directly over the top surface of marble support body 300, the output that can drive the straight line driving piece stretches out marble support body 300's top surface, make its output top contact with the bottom surface of metal frame 200, manipulator clamp 12 loosens afterwards, make the output top bear metal frame 200, reduce gradually afterwards, the output top that is located marble support body 300 is located to the below of straight line driving piece, at this moment, metal frame 200 is placed on the top surface of marble support body 300, because the gradual reduction of straight line driving piece output, therefore can avoid the direct collision problem that causes to marble support body 300 top surface of metal frame 200.

Optionally, the number of the linear driving pieces is at least three, and soft buffer layers are arranged at the tops of the output ends of the linear driving pieces. When the quantity of sharp driving piece was three, three sharp driving piece was triangular distribution, when sharp driving piece was four, sharp driving piece was the quadrangle and distributes, as shown in fig. 4 and fig. 5, the quantity of sharp driving piece in this embodiment is four, and four sharp driving pieces are four dog-ear departments of rectangular distribution in marble support body 300, and the output top of sharp driving piece all is equipped with soft buffer layer, certain cushioning effect has when can be so that output and metal frame 200 bottom contact, can not cause the damage to metal frame 200.

Specifically, the quantity of linear driving spare is four, four dog-ear departments of marble support body 300 are provided with four mounting holes 32, and four linear driving spare inlays respectively to be located in four mounting holes 32.

Optionally, the linear driving member includes a lifting motor, an electric cylinder, and an electric telescopic rod, and the output end of the lifting motor can move in the vertical direction. The linear driving parts in the embodiment are all lifting motors with the same model.

Specifically, the shape of the marble frame body 300 is a frame-shaped structure with a hollow middle region. Because the density of marble material is higher, consequently, the marble support body 300 of frame type structure for the marble support body can reduce its self weight when guaranteeing that it satisfies minimum thickness requirement, avoids the measuring machine to overload, as shown in fig. 4 and 5, the hollow middle part region of marble support body 300 is the rectangle in this embodiment, and the frame type structure of marble support body 300 is the square frame type structure corresponding with metal frame 200.

Specifically, two opposite end faces of the marble frame body 300 are provided with notches 33 for the mechanical arm clamp 12 to pick and place the metal frame 200. The two opposite end surfaces of the marble frame body 300 are provided with the notches 33, so that the clamp 12 of the manipulator can be conveniently inserted into the grabbing plane metal frame 200 during the operation, and in the embodiment, as shown in fig. 5, the two notches 33 are arranged on the two long sides of the square frame type marble frame body 300.

Preferably, the marble frame further comprises a positioning assembly 35 for assisting in positioning the metal frame 200 during transportation, the positioning assembly 35 comprises at least one positioning member a351 for positioning the metal frame 200 transversely and at least one positioning member B352 for positioning the metal frame 200 longitudinally, and the positioning members a351 and the positioning members B352 are detachably arranged on the marble frame body 300.

Through setting up at least one location metal frame 200 horizontal setting element A351 and at least one location metal frame 200 fore-and-aft setting element B352, can make when manipulator clamp 12 places metal frame 200 on the top surface of marble support body 300, can loop through setting element A351 and setting element B352 to metal frame 200 horizontal, vertically fix a position, the clamp 12 of the manipulator of being convenient for is disposable places metal frame 200 to the assigned position, can avoid the position to place the subsequent fish tail and the mar problem that moves the cause repeatedly that leads to inaccurate.

In this embodiment, the sum of the number of the positioning elements a351 and the positioning elements B352 is 3, wherein there is one positioning element a351 of the positioning metal frame 200 in the transverse direction, there are two positioning elements B352 of the positioning metal frame 200 in the longitudinal direction, and the two positioning elements B352 are located on the same side of the marble frame body 300, the positioning elements a351 and the positioning elements B352 in this embodiment have the same structure, and are L-shaped positioning blocks, and a soft protection material is further disposed on one side of the L-shaped positioning blocks close to the center of the marble frame body 300.

Preferably, the end face of the marble frame body 300 is provided with a lifting hole 36, and a detachable lifting ring is arranged in the lifting hole 36. Detachable rings can be convenient for hoist marble support body 300 to measuring equipment's table surface on, and easy to assemble demolishs rings again after marble support body 300 installation is accomplished, can not influence transport, the measurement operation of follow-up metal frame 200. As shown in fig. 4, four lifting holes 36 are provided in the embodiment, and lifting rings with the same structure are provided in all the four lifting holes 36.

Specifically, the marble frame body 300 is provided with positioning holes 34 corresponding to the threaded holes 401 on the working plane 400, the marble frame body 300 is fixed on the working plane 400 of the measuring device through bolts, and the number of the positioning holes 34 is 4 in this embodiment.

The carrying process of the metal frame 200 in this embodiment is as follows:

when the metal frame 200 is put in: clamping the metal frame 200 to be measured by using the clamp 12 of the air balance manipulator 100, and lifting the metal frame 200 to a safe height after clamping; moving the metal frame 200 on the air balance manipulator 100 to an accessible operation space, and turning the manipulator arm 11 by 90 degrees to make the metal frame 200 horizontal; rotating the arm 11 of the air balance manipulator 100 to move the metal frame 200 right above the marble retainer; the height of the air balance manipulator 100 is lowered to make the metal frame 200 fall to a safe distance (the bottom surface of the metal frame 200 is about 5cm away from the top surface of the marble); the edge of the outer frame of the metal frame 200 is tightly attached to the positioning blocks a and B on the marble frame body 300, and then the metal frame 200 is slowly placed on the lifting motors with the four output ends raised, so that the output ends of the four lifting motors support the bottom of the metal frame 200; loosening the clamp 12 of the air balance manipulator 100 and returning the manipulator; and driving the lifting motor to descend, so that the metal frame 200 slowly descends to the marble working plane 400, and the metal frame 200 is measured by the three-coordinate measuring machine. The unloading process of the metal frame 200 is reverse to the above-described charging process.

It is to be understood that the above embodiments are merely exemplary embodiments adopted to illustrate the principles of the present invention, and the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention, and such changes and modifications are to be considered as within the scope of the invention.

Claims (10)

1. The marble retainer applicable to the high-precision metal frame is characterized by comprising a marble frame body (300) fixed on a working plane (400) of measuring equipment, wherein the surface flatness of the top of the marble frame body (300) is less than or equal to 0.03mm; the marble has a thickness greater than a height difference between the bottom surface of the manipulator clamp (12) and the bottom surface of the metal frame (200) when the metal frame (200) is clamped.

2. The marble holder suitable for a high-precision metal frame as claimed in claim 1, wherein a linear driving member for assisting the placement of the metal frame (200) is provided in the marble holder body (300), and an output end of the linear driving member is located at the top thereof, and the output end of the linear driving member can move vertically above and below the top surface of the marble holder body (300).

3. A marble holder for a high precision metal frame as in claim 2, wherein said linear actuators are at least three in number, and the top of the output ends of the linear actuators are provided with soft cushioning layers.

4. A marble holder for high precision metal frames as claimed in claim 3, wherein the number of said linear driving members is four, four mounting holes (32) are provided at four corners of the marble frame body (300), and four linear driving members are respectively embedded in four mounting holes (32).

5. A marble holder for high precision metal frames as in claim 2, wherein said linear driving means comprises a lifting motor, an electric cylinder, an electric telescopic rod, the output end of which is movable in vertical direction.

6. A marble holder for a high precision metal frame as claimed in claim 1, wherein the shape of the marble holder body (300) is a frame-type structure with a hollow central region.

7. A marble holder for high precision metal frames as claimed in claim 1, wherein the two opposite end faces of the marble holder body (300) are each provided with a notch (33) for the robot gripper (12) to pick and place the metal frame (200).

8. The marble holder suitable for a high-precision metal frame according to claim 1, further comprising a positioning assembly (35) for assisting the positioning of the metal frame (200) during the transportation, wherein the positioning assembly (35) comprises at least one positioning member A (351) for positioning the metal frame (200) transversely and at least one positioning member B (352) for positioning the metal frame (200) longitudinally, and the positioning members A (351) and the positioning members B (352) are detachably arranged on the marble holder body (300).

9. A marble holder suitable for a high-precision metal frame as claimed in claim 1, wherein the end face of the marble frame body (300) is provided with a lifting hole (36), and the lifting hole (36) is internally provided with a detachable lifting ring.

10. A marble holder for a high precision metal frame according to claim 1, wherein the marble holder body (300) is provided with positioning holes (34) corresponding to the threaded holes (401) on the working plane (400), and the marble holder body (300) is fixed on the working plane (400) by bolts.

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