CN210125859U - Workpiece lifting device - Google Patents

Abstract

The utility model discloses a work piece lift lifting device has solved among the prior art work piece lift lifting device and has not had the technical problem of elasticity buffer function. This work piece lift lifting devices includes the bracket, still includes the lifting plate, be provided with a plurality of spring compensation mechanism on the bracket, the lifting plate sets up spring compensation mechanism's top, be provided with a plurality of positioner on the lifting plate, the frock or the work piece of treating the lift are placed when on the bracket, the lifting plate supports frock or work piece, positioner is right frock or work piece location. The utility model discloses a spring compensation mechanism has effectively avoided work piece lift lifting device to promote the in-process rather than the equipment damage or the motor overload that the butt joint station caused because of the rigid collision.

Description

Workpiece lifting device

Technical Field

The utility model relates to a lifting device, concretely relates to work piece lift lifting device.

Background

With the widespread use of robots in industry, more and more factories are beginning to use robots to weld large workpieces made of sheet materials. Because the work piece is big itself, and artifical group is to, welding process is very loaded down with trivial details, can't overturn the work piece, also can't realize quick accurate welding, generally adopt the machine of shifting to carry out weldment work at present, the work piece that treats welding is fixed by the anchor clamps on the machine of shifting promptly, through the angle of machine of shifting adjustment work piece, makes the work piece reach suitable welding gesture, accords with the welding requirement of robot.

The positioner in the prior art comprises a headstock and a tailstock, wherein clamps on the headstock and the tailstock clamp a workpiece, and a turnover mechanism overturns so as to adjust the angle of the workpiece. In order to place a tool or a workpiece on a clamp conveniently, the invention patent "201811003140.9" discloses a positioner with a lifting mechanism, wherein a headstock and a tailstock of the positioner are respectively provided with a lifting device for lifting and lifting the tool or the workpiece, but the tool or the workpiece is in hard contact with the lifting devices when being placed on the lifting devices, and equipment damage or motor overload is easily caused by rigid collision with a docking station (such as clamping devices on the headstock and the tailstock) in the lifting process.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that exists among the prior art, the utility model provides a work piece lift device is provided with spring compensation mechanism, can carry out elastic buffer to the collision, has avoided taking place the rigidity collision.

In order to achieve the above purpose, the technical solution of the present invention is realized as follows:

the utility model provides a work piece lift lifting device, including the bracket, still include the lifting plate, be provided with a plurality of spring compensation mechanism on the bracket, the lifting plate sets up spring compensation mechanism's top, be provided with a plurality of positioner on the lifting plate, the frock or the work piece of waiting to lift are placed when on the bracket, the lifting plate supports frock or work piece, positioner is right frock or work piece location.

Optionally, the spring compensation mechanism includes a guide post, and a guide sleeve is disposed on the bracket. The guide post penetrates into the guide sleeve and slides up and down in the guide sleeve.

Optionally, a spring is sleeved on the guide post in a penetrating manner, a spring seat is arranged on the bracket, the lower end of the spring is located in the spring seat, and the guide sleeve is fixed in the spring seat through a bolt.

Optionally, the top of guide post is provided with the ladder, the lifting plate pressure is in the ladder with the top of spring, the top of guide post is provided with the bolt locking the guide post with the lifting plate.

Optionally, the spring seat is fixed to the bracket by bolting or welding.

Optionally, the bracket is provided with a through hole matching with the guide post, and the lower end of the guide post is provided with a nut or a nut to prevent the lower end of the guide post from being separated from the guide sleeve.

Optionally, the positioning device comprises an upper die and a lower die, the upper die is fixed to the tool or the workpiece, the lower die is fixed to the lifting plate, the lower die is provided with a conical head or a conical hole, and the upper die is provided with an adaptive conical hole or conical head.

Optionally, the taper of the conical head and the conical hole is 50-70 degrees.

Optionally, the taper of the conical head and the conical hole is 60 degrees.

Optionally, four groups of spring compensation mechanisms are arranged on the bracket and respectively arranged at four corners of the lifting plate.

Optionally, the lifting plate is provided with two sets of positioning devices respectively disposed at two ends of the lifting plate.

The workpiece lifting device adopting the structure has the following advantages:

the utility model discloses a spring compensation mechanism has effectively avoided work piece lift lifting device to promote the in-process rather than the equipment damage or the motor overload that the butt joint station caused because of the rigid collision.

The utility model discloses but wide application in machine automatic weld circulation production line, commodity circulation storage goods shelves divide material system etc..

Drawings

FIG. 1 is a front view of a headgear of a prior art positioner;

FIG. 2 is a perspective view of a headgear of a prior art positioner;

FIG. 3 is a front view of the workpiece lifting device according to the embodiment of the present invention;

FIG. 4 is a top view of the workpiece lifting device according to the embodiment of the present invention;

FIG. 5 is a left side view of the workpiece lifting device according to the embodiment of the present invention;

FIG. 6 is a cross-sectional view taken along A-A of FIG. 4;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 8 is a perspective view of a workpiece lifting device according to an embodiment of the present invention;

fig. 9 is a perspective view of a workpiece lifting device in an embodiment of the present invention.

In the figure: 1. a main frame body; 2. a guide rail; 3. a limiting device; 4. fixing anchor bolts; 5. arranging wires; 6. a workpiece lifting device; 6-1, a bracket; 6-2. a motor; 6-3, a positioning device; 6-3-1, lower die; 6-3-2, upper die; 6-3-3. taper hole; 6-3-4. screws; 6-3-5. conical head; 6-3-6. screw; 6-4. a back plate; 6-5, gear; 6-6, lifting plate; 6-7, bolts; 6-8. a spring; 6-9. spring seats; 6-10, nut; 6-11, a guide sleeve; 6-12, bolts; 6-13, a guide post; 7. a turning device; 8. a threading catheter; 9. cleaning the gun; 10. a clamping device; 11. a horizontal adjusting bolt; 12. a rack.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, a headstock of a positioner is disclosed in detail in patent application 201811003140.9, a positioner with a lifting mechanism, and a workpiece lifting device of the present invention is used on the headstock (also provided on a tailstock) of the positioner and is used in cooperation with a clamping device 10.

Example 1

As shown in fig. 3, fig. 4, fig. 5, fig. 6, and fig. 7, embodiment 1 of the present invention provides a workpiece lifting and supporting device, which includes a bracket 6-1, the bracket 6-1 may be made of a rectangular tube, and further includes a supporting plate 6-6, a plurality of spring compensation mechanisms are disposed on the bracket 6-1, the supporting plate 6-6 is disposed on the top of the spring compensation mechanisms, a plurality of positioning devices 6-3 are disposed on the supporting plate 6-6, when a tool or a workpiece to be lifted is placed on the bracket 6-1, the supporting plate 6-6 supports the tool or the workpiece, and the positioning devices 6-3 position the tool or the workpiece.

As shown in FIG. 7, the spring compensation mechanism comprises a guide post 6-13, and a guide sleeve 6-11 is arranged on the bracket 6-1. The guide post 6-13 penetrates into the guide sleeve 6-11 and slides up and down in the guide sleeve 6-11.

The guide post 6-13 is sleeved with a spring 6-8 in a penetrating manner, the bracket 6-1 is provided with a spring seat 6-9, the lower end of the spring 6-8 is positioned in the spring seat 6-9, and the guide sleeve 6-11 is fixed in the spring seat 6-9 through a bolt, such as a bolt 6-12 shown in fig. 7.

The top ends of the guide columns 6-13 are provided with steps, the lifting plates 6-6 are pressed against the steps and the top ends of the springs 6-8, and the top ends of the guide columns 6-13 are provided with bolts for locking the guide columns 6-13 and the lifting plates 6-6.

When the lifting plate 6-6 is pressed, the guide post 6-13 can be pressed to move downwards and slide downwards in the guide sleeve 6-11, and the spring 6-8 is compressed, so that elastic buffering is generated.

The spring seat 6-9 is fixed on the bracket 6-1 by bolts or welding.

The bracket 6-1 is provided with a through hole matched with the guide post 6-13, the lower end of the guide post 6-13 is provided with two nuts 6-10 to prevent the lower end of the guide post 6-13 from being separated from the guide sleeve 6-11, and the two nuts 6-10 are arranged, so that the stability is high and the looseness is not easy to occur.

As shown in FIG. 6, the positioning device 6-3 comprises an upper die 6-3-2 and a lower die 6-3-1, the upper die 6-3-2 is fixed with a tool or a workpiece, and the lower die 6-3-1 is fixed on the lifting plate 6-6 and can be fixed through screws.

The lower die 6-3-1 is provided with a conical head 6-3-5, and the upper die 6-3-2 is provided with a matched conical hole 6-3-3. Or a taper hole can be arranged on the lower die 6-3-1, and an adaptive taper head is correspondingly arranged on the upper die 6-3-2.

The taper of the conical head and the conical hole is 50-70 degrees.

Preferably, the taper of the conical head and the conical hole is 60 degrees.

In this embodiment, four sets of spring compensation mechanisms are disposed on the bracket 6-1, and are disposed at four corners of the lifting plate 6-6.

Two groups of positioning devices 6-3 are arranged on the lifting plate 6-6 and are respectively arranged at two ends of the lifting plate 6-6.

The workpiece lifting and supporting device in the embodiment effectively avoids equipment damage or motor overload caused by rigid collision between the workpiece lifting and supporting device and a butt joint station in the lifting process through the spring compensation mechanism.

The workpiece lifting and lifting device in the embodiment can be widely applied to automatic welding and circulation production lines of the positioner, material distribution systems of logistics storage shelves and the like.

The workpiece lifting device in this embodiment has a proper positioning compensation amount. The top of the moving trolley (RGV/ARV) can be aligned and clamped with the tool and the workpiece on the basis of effective compensation, so that the tool and the workpiece can be accurately and firmly combined, and the requirements on the processing precision and the installation precision of the equipment workpiece can be effectively reduced on the premise of ensuring the performance.

Example 2

In this embodiment, unlike embodiment 1, the lower end of the guide post 6-13 may be provided with a nut integrally formed with the guide post 6-13 to prevent the lower end of the guide post 6-13 from being removed from the guide housing 6-11.

In this embodiment, other structures of the workpiece lifting and supporting device are the same as those in embodiment 1, and a description thereof will not be repeated.

The foregoing is only a specific embodiment of the present invention, and other modifications and variations can be made by those skilled in the art based on the above-described embodiments in light of the above teachings. It should be understood by those skilled in the art that the foregoing detailed description is for the purpose of better explaining the present invention, and the scope of the present invention should be determined by the scope of the claims.

Claims (10)

1. The utility model provides a work piece lift lifting device, includes the bracket, its characterized in that still includes the lifting plate, be provided with a plurality of spring compensation mechanism on the bracket, the lifting plate sets up spring compensation mechanism's top, be provided with a plurality of positioner on the lifting plate, the frock or the work piece of waiting to lift are placed when on the bracket, the lifting plate supports frock or work piece, positioner is right frock or work piece location.

2. The workpiece lifting and supporting device as claimed in claim 1, wherein the spring compensation mechanism comprises a guide post, a guide sleeve is arranged on the bracket, and the guide post penetrates into the guide sleeve and slides up and down in the guide sleeve.

3. The workpiece lifting and supporting device as claimed in claim 2, wherein a spring is sleeved on the guide post, a spring seat is arranged on the bracket, the lower end of the spring is positioned in the spring seat, and the guide sleeve is fixed in the spring seat through a bolt.

4. The apparatus of claim 3, wherein the guide post has a step at a top end thereof, the lifting plate is pressed against the step and a top end of the spring, and the guide post has a bolt at a top end thereof for locking the guide post and the lifting plate.

5. A workpiece lifting and drop lifting apparatus as defined in claim 3 wherein said spring retainer is bolted or welded to said carriage.

6. A workpiece lift and drop device as in claim 2 wherein said carrier is provided with through holes for engaging said guide posts, and wherein said guide posts are provided at their lower ends with nuts or nuts for preventing said lower ends of said guide posts from disengaging from said guide sleeves.

7. The workpiece lifting device according to claim 1, wherein the positioning device comprises an upper die and a lower die, the upper die is fixed with the tool or the workpiece, the lower die is fixed on the lifting plate, the lower die is provided with a conical head or a conical hole, and the upper die is provided with a matched conical hole or a conical head;

the conicity of the conical head and the conical hole is 50-70 degrees.

8. The workpiece lifting and supporting device as recited in claim 7, wherein the taper of the conical head and the conical bore is 60 degrees.

9. The apparatus of claim 1, wherein four sets of said spring compensation mechanisms are disposed on said carriage, each set being disposed at a corner of said lifting plate.

10. The apparatus of claim 1, wherein two sets of said positioning devices are disposed on said lifting plate, and are disposed at two ends of said lifting plate.

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