CN216421543U - Variable position positioning device - Google Patents

Abstract

The utility model discloses a variable position positioner, include: the device comprises a substrate, a first rotating arm, a second rotating arm, a connecting rod, a positioning block and a limiting piece; wherein: the base plate is vertically arranged, one end of the first rotating arm is rotatably connected to the upper part of the left side wall of the base plate, the second rotating arm is rotatably connected to the lower part of the left side wall of the base plate, and the first rotating arm and the second rotating arm can rotate in a vertical plane; the connecting rod is vertically arranged and connected to the other ends of the first rotating arm and the second rotating arm; the positioning blocks are fixed on the outer side wall of the connecting rod, and the positioning blocks are arranged on the upper portion and the lower portion of the connecting rod; the limiting piece is arranged on the side wall of the substrate below the first rotating arm and/or the second rotating arm. The utility model discloses a but this kind of variable position positioner can effectively overcome in the frock use work piece lower difficulty, because of the easy damage problem of frock that work piece hoist and mount difficulty caused and because of the problem of the frock debugging difficulty that the trade produces and lead to.

Description

Variable position positioning device

Technical Field

The utility model relates to a part assembly technical field especially relates to a variable position positioner.

Background

The information disclosed in the background of the invention is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information constitutes prior art that is already known to a person of ordinary skill in the art.

The loader is an important component of engineering machinery and is mainly used for shoveling, loading, digging, transporting and other operations of loose materials. When the critical dimension positioning and the critical component positioning are involved in the assembly welding process of the parts, the required precision is higher, the rigid positioning is adopted at the present stage, and the defects in the following aspects are mainly included in the application process:

(1) the positioning precision is poor, the workpiece is easy to collide, the workpiece is difficult to be loaded and unloaded, and great inconvenience is caused to the manufacture.

(2) The contact area of the tool and the part is large, and after the part is assembled and welded, the workpiece is difficult to discharge, so that the tool is easy to damage to a certain extent, and the service life is shortened.

(3) In the product model changing process, the tool is difficult to adjust, the maintenance cost is high, and the management is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a variable position positioner, it can effectively overcome in the frock use work piece lower difficulty, because of the easy damage problem of frock that work piece hoist and mount difficulty caused and because of the problem of the frock debugging difficulty that the trade produces and lead to. In order to achieve the above object, the technical solution of the present invention is as follows.

A variable position positioning device comprising: the device comprises a base plate, a first rotating arm, a second rotating arm, a connecting rod, a positioning block and a limiting piece. Wherein: the vertical setting of base plate, the one end of first swinging boom rotates the upper portion of connecting at the left side wall of base plate, the second swinging boom rotates the lower part of connecting at the left side wall of base plate, and first swinging boom, second swinging boom can be at vertical in-plane rotation. The connecting rod is vertically arranged and connected to the other ends of the first rotating arm and the second rotating arm. The locating piece is fixed on the lateral wall of connecting rod, just the upper portion and the lower part of connecting rod all are provided with the locating piece. The limiting piece is arranged on the side wall of the substrate below the first rotating arm and/or the second rotating arm.

Furthermore, the right side wall of the substrate is also provided with the first rotating arm, the second rotating arm, the connecting rod, the positioning block and the limiting part, and the connecting mode of the first rotating arm, the second rotating arm, the connecting rod, the positioning block and the limiting part is the same as that of the above components on the left side wall of the substrate.

Further, the base plate is vertically fixed on the base plate, and fixing holes are formed in the base plate so that the base plate can be fixed on a working surface when the base plate is used.

The cover plate is fixed on the base plate and covers part of the first rotating arm and the second rotating arm.

Further, the vertical connecting rod device also comprises a cushion block used for being cushioned below the connecting rod so as to keep the connecting rod in a vertical state.

Furthermore, the first rotating arm, the second rotating arm and the side wall of the substrate are connected through pin shafts, so that the first rotating arm and the second rotating arm can rotate in a vertical plane.

Furthermore, the first rotating arm and the second rotating arm of the connecting rod are connected through a pin shaft, so that the connecting rod can rotate relative to the rotating arms.

Furthermore, the head of the positioning block is in a sharp-horn shape, and compared with the traditional positioning block, the positioning block in the shape can greatly reduce the contact area between the positioning block and a workpiece, and the abrasion to the positioning block is reduced.

Further, through bolted assembly connection between locating piece and the connecting rod, when the size of location span A changes, can change the locating piece according to the demand, make positioner's debugging more convenient.

Furthermore, the clamping device is arranged on the side face of the base plate and is right opposite to the positioning block on the connecting rod, so that a workpiece to be positioned is clamped between the positioning block and the clamping device.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a but this kind of variable position positioner can effectively overcome in the frock use work piece lower difficulty, because of the easy damage problem of frock that work piece hoist and mount difficulty caused and because of the problem of the frock debugging difficulty that the trade produces and lead to. The reason for this is that: under the condition that the workpiece is clamped on the positioning block, when the workpiece is lifted upwards, the positioning block and the connecting rod are driven by friction force of the workpiece to move upwards together, the rotating swing arm is further driven to rotate upwards, meanwhile, the connecting rod drives the positioning block to synchronously move inwards in the rotating process, so that the positioning block is far away from the workpiece while moving upwards, namely, the contact surface of the workpiece and the positioning block is small in the process, and the positioning block follows up, and the surfaces of the positioning block and the workpiece are hardly damaged in the lifting process.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Fig. 1 is a front view of the variable position positioning device according to the embodiment of the present invention.

Fig. 2 is a front view of another variable positioning device according to an embodiment of the present invention.

Fig. 3 is a schematic view of an embodiment of the present invention showing a variable position positioning device.

The labels in the figures represent: 1-a base plate, 2-a first rotating arm, 3-a second rotating arm, 4-a connecting rod, 5-a positioning block, 6-a limiting piece, 7-a bottom plate, 8-a fixing hole, 9-a cover plate, 10-a cushion block, 11-a pin shaft, 12-a clamping device, 13-a workpiece and A-a positioning span.

Detailed Description

It should be noted that the following detailed description 14 is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

For convenience of description, the words "upper", "lower", "left" and "right" in the present application, if any, merely indicate that the device or element referred to in the present application is constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention, since they are merely intended to be oriented in the upper, lower, left and right directions of the drawings themselves, and not to limit the structure, but merely to facilitate the description of the invention and to simplify the description. The description will be further described with reference to the drawings and specific examples.

Referring to fig. 1, there is illustrated a variable position positioning apparatus comprising: base plate 1, first swinging boom 2, second swinging boom 3, connecting rod 4, locating piece 5 and locating part 6, wherein:

the base plate 1 is vertically arranged and vertically fixed on the bottom plate 7, and the bottom plate 7 is provided with a fixing hole 8 so as to fix the bottom plate 7 on a working surface when in use.

The one end of first swinging boom 2 rotates the upper portion of connecting at the left side wall of base plate 1 through round pin axle 11, second swinging boom 3 rotates the lower part of connecting at the left side wall of base plate 1 through round pin axle 11, and first swinging boom 2, second swinging boom 3 can be at vertical in-plane rotation.

The connecting rod 4 is vertically arranged and connected to the other ends of the first rotating arm 2 and the second rotating arm 3, and the first rotating arm 2 and the second rotating arm 3 of the connecting rod 4 are connected through a pin shaft 11 so that the connecting rod 4 can rotate relative to the rotating arms.

The positioning blocks 5 are fixed on the outer side wall of the connecting rod 4, and the positioning blocks 5 are arranged on the upper portion and the lower portion of the connecting rod 4. The limiting member 6 is disposed on a sidewall of the substrate 1 below the first rotating arm 2 and/or the second rotating arm 3. The base plate structure further comprises a cover plate 9 fixed on the base plate 1 through bolts, and the cover plate 9 covers part of the first rotating arm 2 and the second rotating arm 3.

Referring to fig. 1, in another preferred embodiment, the head of the locating block 5 is in a pointed shape, and compared with a conventional locating seat, the locating block 5 in such a shape can greatly reduce the contact area with a workpiece, and reduce the wear on the locating block 5.

Referring to fig. 1, in another preferred embodiment, the positioning block 5 and the connecting rod 4 are assembled and connected through a bolt, and when the size of the positioning span a changes, the positioning block 5 can be replaced according to requirements, so that the debugging of the positioning device is more convenient.

Referring to fig. 2, in another preferred embodiment, the first rotating arm 2, the second rotating arm 3, the connecting rod 4, the positioning block 5 and the limiting block 6 are also disposed on the right side wall of the substrate 1, and the connection manner of the first rotating arm 2, the second rotating arm 3, the connecting rod 4, the positioning block 5 and the limiting block 6 is the same as that of the above-mentioned components on the left side wall of the substrate 1.

Referring to fig. 3, in another preferred embodiment, a spacer block 10 is further included for being cushioned below the connecting rod 4 so as to maintain the connecting rod 4 in a vertical state, and the spacer block 10 is fastened to a work table by bolts in use.

Taking the variable position positioning device shown in fig. 2 as an example, when the device is used, referring to fig. 3, a bottom plate 7 of the variable position positioning device is fixed on a workbench through bolts, a clamping device 12 is fixed on the side surface of a base plate 1, the clamping device 12 is over against a positioning block on the connecting rod 4, a workpiece 13 to be positioned is hoisted between the positioning block 5 and the clamping device 12, and the workpiece 13 is clamped and positioned through a rotating ejector rod. And welding after the positioning is finished. When the workpiece 13 needs to be lifted upwards after welding is finished, the friction force of the workpiece 13 drives the positioning block 5 and the connecting rod 4 to move upwards together, the rotating swing arm is further driven to rotate upwards, meanwhile, the connecting rod 4 drives the positioning block 5 to synchronously move inwards in the rotating process, so that the positioning block 5 is far away from the workpiece while moving upwards, namely the contact surface between the workpiece 13 and the positioning block 3 is small in the process, the positioning block 3 follows up, the surfaces of the positioning block 5 and the workpiece 13 are hardly damaged in the lifting process, and the service life of the tool is prolonged by more than 60%. Meanwhile, the positioning block 5 is gradually and automatically separated from the workpiece in the hoisting process, so that the workpiece is not stressed in hoisting, the workpiece 13 is convenient to take down, the efficiency is improved by more than 30%, the damage to the workpiece and the device is reduced, and the service life is greatly prolonged.

Finally, it should be understood that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims (10)

1. A variable position positioning device, comprising: the device comprises a substrate, a first rotating arm, a second rotating arm, a connecting rod, a positioning block and a limiting piece; wherein: the base plate is vertically arranged, one end of the first rotating arm is rotatably connected to the upper part of the left side wall of the base plate, the second rotating arm is rotatably connected to the lower part of the left side wall of the base plate, and the first rotating arm and the second rotating arm can rotate in a vertical plane; the connecting rod is vertically arranged and connected to the other ends of the first rotating arm and the second rotating arm; the positioning blocks are fixed on the outer side wall of the connecting rod, and the positioning blocks are arranged on the upper portion and the lower portion of the connecting rod; the limiting piece is arranged on the side wall of the substrate below the first rotating arm and/or the second rotating arm.

2. The variable position positioning device according to claim 1, wherein the first rotating arm, the second rotating arm, the connecting rod, the positioning block and the limiting block are also disposed on the right side wall of the substrate, and the connecting manner of the first rotating arm, the second rotating arm, the connecting rod, the positioning block and the limiting block is the same as that of the first rotating arm, the second rotating arm, the connecting rod, the positioning block and the limiting block on the left side wall of the substrate.

3. The variable position positioning device of claim 1 or 2, further comprising a spacer block for supporting the connecting rod in a vertical state below the connecting rod.

4. The variable position positioning device according to claim 1 or 2, further comprising a bottom plate, wherein the base plate is vertically fixed on the bottom plate, and the bottom plate is provided with a fixing hole.

5. The variable position positioning device of claim 1 or 2, further comprising a cover plate fixed on the base plate and covering a portion of the first and second rotating arms.

6. The variable position positioning device of claim 1 or 2, wherein the first rotating arm, the second rotating arm and the sidewall of the substrate are connected by a pin.

7. The variable position positioning device according to claim 1 or 2, wherein the first rotating arm and the second rotating arm of the connecting rod are connected by a pin.

8. The variable position positioning device of claim 1 or 2, wherein the head of the positioning block is pointed.

9. The variable position positioning device according to claim 1 or 2, wherein the positioning block is connected with the connecting rod through bolt assembly.

10. The variable position positioning device according to claim 1 or 2, further comprising a clamping device disposed on a side surface of the base plate and facing the positioning block on the connecting rod.

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