CN218109641U

CN218109641U - Locating pin deviation device

Info

Publication number: CN218109641U
Application number: CN202222567055.3U
Authority: CN
Inventors: 蔡小认; 张小时; 孟辉; 罗永前; 郭敬; 林涛; 朱振友
Original assignee: Jiangsu Beiren Intelligent Manufacturing Technology Co ltd
Current assignee: Jiangsu Beiren Intelligent Manufacturing Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2022-12-23
Anticipated expiration: 2032-09-27

Abstract

The utility model provides a locating pin off normal device, including a cylinder and the slider that links to each other with the cylinder, frock positioner is still including a pair of guide rail that is located the cylinder both sides and holding the box of cylinder and guide rail, the slider is equipped with a main part and a pair of arm that extends from main part one side, the cylinder be equipped with one with main part fixed connection's flexible guide arm, a pair of arm directly or indirectly fixed extremely on a pair of guide rail. Compared with the prior art, the utility model discloses a slider through with the double track way cooperation, can realize reliable and stable and high accuracy's linear telescopic motion along the guide rail, and the double track way structure has higher rated load capacity, can bear bigger eccentric bearing torque, makes the slider possess more stable, more accurate flexible removal ability to the locating pin of guaranteeing to install at the slider head also has higher positioning accuracy, has finally guaranteed the positioning accuracy of locating pin to the work piece.

Description

Locating pin deviation device

Technical Field

The utility model relates to the field of machining, especially, relate to a locating pin off normal device.

Background

In machining, it is usually necessary to perform positioning operation on a workpiece to be machined, and then perform machining (e.g. welding) on the workpiece, where the positioning operation enables the workpiece to be stably and reliably fixed on a workbench, so as to facilitate subsequent machining, and a positioning device is usually used to cooperate with a positioning hole on the workpiece to achieve positioning during positioning, for example, the positioning device extends into the positioning hole of the workpiece through a positioning pin to achieve positioning. For example, in the arc welding process, most of the existing positioning devices connect/drive positioning pins through a double-guide-rod cylinder to position a workpiece, and then perform welding by a robot. However, the positioning device has limited application scenes, and a cylinder of the positioning device is exposed in an arc welding environment, a guide rod part connected with the cylinder is also in an unclosed state, so that the guide rod is easily polluted by welding slag to affect the expansion and contraction of the guide rod, further the positioning precision is affected, and a workpiece is easily deformed during welding, so that the cylinder in the positioning device is easily affected, the positioning precision of the positioning device is reduced after a long time, further the workpiece is affected, in addition, the existing double-guide-rod cylinder has low radial load capacity, and the structural strength is not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a locating pin off normal device to improve the not good problem of positioning accuracy among the prior art.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a locating pin off normal device, includes a cylinder and the slider that links to each other with the cylinder, frock positioner is still including a pair of guide rail that is located the cylinder both sides and hold the box of cylinder and guide rail, the slider is equipped with one and stretches to the main part outside the box and from main part one side towards the interior a pair of arm that extends of box, the cylinder be equipped with one with main part fixed connection's flexible guide arm, a pair of arm is directly or indirectly fixed to on a pair of guide rail.

Furthermore, the cylinder is further provided with a cylinder body, the telescopic guide rod is arranged between the pair of arm parts, the bottom end of the telescopic guide rod extends into the cylinder body, and the top end of the telescopic guide rod is fixedly connected with the main body.

Further, the guide rail is provided with an elongated rail and a slider mounted on the rail, and the arm is directly or indirectly fixedly connected to the slider.

Furthermore, the arm is fixedly connected with the sliding block through a connecting block, and the connecting block is clamped between the arm and the sliding block and is respectively and fixedly connected with the arm and the sliding block.

Further, the pair of arm portions are located on both sides of the cylinder and arranged parallel to each other, and a length extending direction of the telescopic guide rod is parallel to the pair of arm portions.

Furthermore, an operation opening, a screw hole and a plurality of mounting holes are formed in the main body, the screw hole is located on one side of the main body and fixedly connected with the telescopic guide rod, the mounting holes are located on the other side of the main body, and the operation opening is arranged between the screw hole and the mounting holes.

Furthermore, the main body is also provided with a notch facing the telescopic guide rod, the top end of the telescopic guide rod protrudes into the notch, and the screw hole is exposed in the operation port and is fixedly connected with the top end of the telescopic guide rod through a bolt or a screw.

Furthermore, the positioning pin deviation device further comprises a pair of limiting blocks correspondingly matched with the pair of arms, each arm is provided with a limiting groove, and the limiting blocks protrude into the limiting grooves.

Furthermore, the limiting block is T-shaped and fixed on the box body.

Furthermore, the box body is provided with a top plate, a bottom plate, a pair of side plates and a pair of cover plates, the pair of guide rails are respectively fixed on the inner surfaces of the pair of side plates, the pair of cover plates are provided with inward through visual windows, and the air cylinder is exposed in the visual windows; and the top plate is provided with an opening through which the sliding piece passes.

Compared with the prior art, the utility model discloses a slider through with the double track way cooperation, can realize the straight line concertina movement of reliable and stable and high accuracy along the guide rail, and the double track way structure has higher rated load capacity, can bear bigger eccentric load moment, makes the slider possess more stable, more accurate flexible removal ability to the locating pin (not shown) of guaranteeing to install at the slider head also has higher positioning accuracy, has finally guaranteed the positioning accuracy of locating pin to the work piece.

Drawings

Fig. 1 is a perspective view of the positioning pin deviation device after a side cover plate is removed.

Fig. 2 is an internal sectional view of the positioning pin deviation device of the present invention.

Fig. 3 is an exploded view of the positioning pin deviation device of the present invention.

Fig. 4 is a schematic diagram of a limiting block of the positioning pin deviation device and an arm of the sliding member of the present invention.

Detailed Description

Referring to fig. 1 to 4, the present invention provides a positioning pin deviation device 100, which is used for acting on a workpiece (not shown) to fix and position the workpiece, the positioning pin deviation device 100 includes a box 10, a cylinder 20 housed in the box 10, a pair of guide rails 30 located at two sides of the cylinder 20, a slider 40 connected to the cylinder 20, and a connecting block 50 connected between the slider 40 and the guide rails 30, wherein the slider 40 is driven by the cylinder 20 to slide telescopically so as to drive a positioning pin (not shown) to move toward or away from the workpiece, thereby realizing eccentric positioning (deviation) of the workpiece.

The box body 10 is covered on the periphery of the cylinder 20, the guide rail 30, the sliding part 40 and the connecting block 50, and is provided with a top plate 11, a bottom plate 12, a pair of side plates 13 and a pair of cover plates 14, wherein the top plate 11, the bottom plate 12, the side plates 13 and the cover plates 14 together enclose an accommodating space to accommodate the cylinder 20, the guide rail 30, the sliding part 40 and the connecting block 50, the top plate 11 is provided with an opening 15 for the sliding part 40 to pass through, and the bottom plate 12 is used for bearing the cylinder 20. The box body 10 encloses all the components inside, so that the protection effect can be good, particularly, the cylinder 20 can be better protected, the cylinder is prevented from being polluted by welding slag, and the expansion precision and the smoothness of the sliding part 40 are prevented from being influenced by the welding slag. In addition, in order to facilitate the control of the air cylinder 20, at least one cover plate 14 of the pair of cover plates 14 is provided with a visible window 16 which penetrates through the accommodating space inwards, the visible window 16 corresponds to the position of the air cylinder 20 so as to expose the air cylinder 20 in the visible window 16, a speed regulating valve and a magnetic switch of the air cylinder 20 can be mounted conveniently, and the visible window 16 can also facilitate the operation of the speed regulating valve and the magnetic switch.

The cylinder 20 is provided with a cylinder body 21 and a telescopic guide rod 22 which protrudes outwards from one end of the cylinder body 21, the cylinder body 21 is fixed on the bottom plate 12 of the box body 10, one end (bottom end) of the telescopic guide rod 22 extends into the cylinder body 21, the other end (top end) faces the top plate 11 and extends and is fixedly connected with the sliding part 40, the cylinder body 21 can drive the telescopic guide rod 22 to perform telescopic motion along the length direction during operation, and the sliding part 40 is driven by the top end of the telescopic guide rod 22 to realize synchronous motion.

The pair of guide rails 30 are respectively located at the left and right sides of the cylinder 20 for guiding the movement of the sliding member 40, and the guide rails 30 include a long and narrow rail 31 and a slider 32 installed on the rail 31, the rail 31 is perpendicular to the bottom plate 12 and the top plate 11 of the box 10 and is fixed on the side plate 13 of the box 10, the slider 32 is clamped in the rail 31 and can slide along the length direction of the rail 31, and the inner side surface of the slider 32 is fixedly connected with the connecting block 50, so that the sliding of the slider 32 can drive the connecting block 50 to slide synchronously. Preferably, the number of the sliding blocks 32 on a single track 31 is two, and the two sliding blocks 32 are mutually connected and synchronously realize sliding.

The connecting block 50 is a long strip, one side of which is fixedly connected to the sliding block 32, and the other side of which is fixedly connected to the sliding block 40, the connecting block 50 is clamped between the sliding block 32 and the sliding block 40, and is mutually fixedly connected to each other, so that the sliding block 32 can drive the sliding block 50 to synchronously slide, and the sliding block 40 is driven by the connecting block 50 to synchronously slide, as shown in fig. 2, the sliding block 40 and the sliding block 32 are fixed together by the connecting block 50, and of course, in other alternative embodiments of the present invention, the connecting block 50 is not an essential component, that is, the sliding block 40 can also be directly fixedly connected to the sliding block 32 without fixing the sliding block 50 together.

The sliding member 40 has a main body 41 and a pair of arms 42 extending from the main body 41, wherein the main body 41 is preferably a flat plate, the surface of the main body 41 is provided with a plurality of mounting holes 43 for mounting the positioning pins (not shown), the main body 41 is further provided with a square operation opening 44 and a screw hole 45 located at one side of the square operation opening 44, the screw hole 45 is fixedly connected with the top end of the telescopic guide rod 22 through a screw/bolt, so as to fix the telescopic guide rod 22 and the sliding member 40, the screw hole 45 is arranged to penetrate through the square operation opening 44, the square operation opening 44 is mainly arranged to provide a space for the fixing operation of the screw/bolt, the square operation opening 44 is arranged between the screw hole 45 and the mounting hole 43, and the main body 41 is further provided with a notch 46 facing the telescopic guide rod 22 for positioning and matching with the top end of the telescopic guide rod 22. The pair of arms 42 are located on the same side of the main body 41 and extend in the same direction, specifically, the pair of arms 42 extend from the main body 41 toward the bottom plate 12 of the box 10, and the pair of arms 42 are arranged in parallel and symmetrical to each other, and a gap for accommodating the telescopic guide rod 22 is formed between the two arms 42, as shown in fig. 2, the pair of arms 42 are respectively located on both sides of the cylinder 20 and are respectively fixedly connected with the connecting blocks 50 on both sides of the cylinder 20, so that the sliding member 40 can move synchronously with the movement of the connecting blocks 50 and the sliding block 32. In order to effectively control the sliding range of the sliding element 40, in the preferred embodiment of the present invention, referring to fig. 4, each arm 42 is provided with an elongated limiting groove 47, and the positioning pin deviation device 100 further includes a pair of limiting blocks 60, the limiting blocks 60 are located on one side of the arm 42 and protrude into the limiting groove 47 for controlling the sliding stroke of the arm 42, the limiting blocks 60 are T-shaped and have a protrusion 61 protruding into the limiting groove 47, and the limiting blocks 60 can be installed on the cylinder 20, or can be installed on the box 10 (such as the cover plate 14), or can be installed on one side of the arm 42 in other manners, so as to limit the sliding element 40.

To sum up, the utility model discloses utilize the cooperation of double track way 31 and slider 40, make slider 40 can realize reliable and stable and the straight line concertina movement of high accuracy (the direction of motion can refer to arrow F in fig. 2) along track 31 under flexible guide arm 22's drive, and compare the mode in prior art double guide arm drive slider 40, the utility model discloses a double track way 31 structure has higher rated load capacity, can bear bigger eccentric bearing torque, makes slider 40 possess more stable, more accurate flexible removal ability to the locating pin (not shown in the figure) of assurance installation on slider 40 also has higher positioning accuracy. Moreover, because the cylinder 20 and the telescopic guide rod 22 are protected by the box body 10, the positioning pin deviation device 100 is not easily affected by the welding environment, and the running precision of the positioning pin deviation device can be further guaranteed.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims

1. The utility model provides a locating pin off normal device, includes a cylinder and the slider that links to each other with the cylinder, its characterized in that: the positioning pin deviation device further comprises a pair of guide rails positioned on two sides of the cylinder and a box body for accommodating the cylinder and the guide rails, the sliding part is provided with a main body protruding out of the box body and a pair of arms extending towards the inside of the box body from one side of the main body, the cylinder is provided with a telescopic guide rod fixedly connected with the main body, and the pair of arms are directly or indirectly fixed onto the pair of guide rails.

2. The locating pin deviation device according to claim 1, wherein: the cylinder is further provided with a cylinder body, the telescopic guide rod is arranged between the pair of arms, the bottom end of the telescopic guide rod extends into the cylinder body, and the top end of the telescopic guide rod is fixedly connected with the main body.

3. The locating pin biasing apparatus of claim 1, wherein: the guide rail is provided with an elongated rail and a slider mounted on the rail, and the arm is directly or indirectly fixedly connected to the slider.

4. The locating pin biasing apparatus of claim 3, wherein: the arm is fixedly connected with the sliding block through a connecting block, and the connecting block is clamped between the arm and the sliding block and is respectively and fixedly connected with the arm and the sliding block.

5. The locating pin biasing apparatus of claim 2, wherein: the pair of arm portions are located on two sides of the cylinder and arranged in parallel to each other, and the length extending direction of the telescopic guide rod is parallel to the pair of arm portions.

6. The locating pin biasing apparatus of claim 5, wherein: the telescopic guide rod is characterized in that the main body is provided with an operation port, a screw hole and a plurality of mounting holes, the screw hole is positioned on one side of the main body and is fixedly connected with the telescopic guide rod, the mounting holes are positioned on the other side of the main body, and the operation port is arranged between the screw hole and the mounting holes.

7. The locating pin biasing apparatus of claim 6, wherein: the main body is further provided with a notch facing the telescopic guide rod, the top end of the telescopic guide rod stretches into the notch, and the screw hole is exposed in the operation opening and is fixedly connected with the top end of the telescopic guide rod through a bolt or a screw.

8. The dowel pin biasing apparatus of any one of claims 1 to 7, wherein: the positioning pin deviation device further comprises a pair of limiting blocks correspondingly matched with the pair of arms, each arm is provided with a limiting groove, and the limiting blocks protrude into the limiting grooves.

9. The locating pin biasing apparatus of claim 8, wherein: the limiting block is T-shaped and is fixed on the box body.

10. The dowel pin biasing apparatus of any one of claims 1 to 7, wherein: the box body is provided with a top plate, a bottom plate, a pair of side plates and a pair of cover plates, the pair of guide rails are respectively fixed on the inner surfaces of the pair of side plates, the pair of cover plates are provided with inward through visual windows, and the air cylinder is exposed in the visual windows; and the top plate is provided with an opening through which the sliding piece passes.