CN209110379U - A limit device for processing slender pipes - Google Patents

Abstract

The utility model belongs to laser cutting process field more particularly to a kind of limiting device for slender tube material processing.The limiting device includes the first limited block, the second limited block of tubing position is limited for enclosing restricted area with the first limited block, limited block driving mechanism, pedestal, elevating mechanism of the pedestal side for driving pedestal to move up and down is set, first limited block, the second limited block and limited block driving mechanism are respectively provided on the base.A restricted area is enclosed to limit the position of tubing by the first limit block and the second limit block, is occured bending and deformation when can effectively prevent tubular object extruding, and machining yield is improved；Increasing a limited block driving mechanism can be used for facilitating the loading and unloading of tubing, then by increasing an elevating mechanism, can be used for adjusting the position of restricted area up and down, this limiting device is made preferably to complete the function of position limitation protection under the precondition for not influencing processing.

Description

A limit device for processing slender pipes

technical field

The utility model belongs to the field of laser cutting processing, in particular to a limiting device used for processing slender pipes.

Background technique

In recent years, the new furniture and fitness industry has developed at a rapid speed with the improvement of people's consumption level. The traditional low-power small-scale equipment processing can no longer meet the increasing demand, and the high-power laser pipe cutting machine processing small-diameter pipes has gradually entered the stage of history.

At present, the existing high-power laser processing machine tools on the market are usually fully automatic loading and unloading equipment for processing 6 meters of tube length. The tube with a smaller diameter becomes a slender tube. The slender tube itself is flexible. It will bend during the feeding process, and will be centrifugally shaken under the action of gravity during rotary cutting, and the degree of shaking will increase with the length of the pipe. Although the existing machine tool is equipped with a floating auxiliary support device to prevent the pipe from sagging and bending due to its own weight to a certain extent, it cannot limit the bending and deformation of the pipe upward or left and right. The faster the feeding speed, the greater the deformation, and the high-precision machining and High-efficiency processing is contradictory. At this time, it is necessary to limit the position of the slender pipe during the feeding process.

Utility model content

The technical problem to be solved by the present invention is that, aiming at the above-mentioned defects of the prior art, a limiting device for processing slender pipes is provided, which overcomes the problem of easy bending deformation during processing of the existing slender pipes.

The technical solution adopted by the present utility model to solve the technical problem is: to provide a limit device for processing slender pipes, comprising: a first limit block for enclosing a limit area with the first limit block to limit The second limit block at the pipe position is used to drive the limit block drive mechanism that drives the first limit block and the second limit block to move away from or approach each other. The base is set on one side of the base to drive the base to lift and lower The moving lifting mechanism, the first limiting block, the second limiting block and the limiting block driving mechanism are all arranged on the base.

A further preferred solution of the present invention is that: the limit block driving mechanism includes a link mechanism connecting the first limit block and the second limit block, and a first cylinder for driving the movement of the link mechanism.

A further preferred solution of the present invention is that: the link mechanism comprises: a turntable symmetrically provided with a first guide groove and a second guide groove; The column and the second transmission column are respectively arranged on the first guide rail and the second guide rail on both sides of the base, the first sliding block slidably arranged on the first guide rail, and the second sliding block slidably arranged on the second guide rail; The turntable is rotatably arranged on the base, the first limit block and the first transmission column are arranged on the first slider, the second limit block and the second transmission column are arranged on the second slider, The first sliding block is connected with the first cylinder.

A further preferred solution of the present invention is that: the first transmission column and the second transmission column are respectively provided with a first driven bearing and a second driven bearing, the first driven bearing and the second driven bearing They are respectively arranged in the first guide groove and the second guide groove of the turntable.

A further preferred solution of the present invention is that: the turntable is connected to the base through a third driven bearing.

A further preferred solution of the present invention is that: the lifting mechanism includes a third guide rail connected to the base, a third sliding block slidably connected to the third guide rail, and a second cylinder connected to the base.

A further preferred solution of the present invention is that a first adjustment plate for adjusting the position of the first limit block is further arranged between the first limit block and the first slider, and the second limit block is connected to the first limit block. A second adjusting plate for adjusting the position of the second limiting block is also arranged between the two sliding blocks.

A further preferred solution of the present invention is that: the first adjustment plate is provided with a first waist-shaped hole for adjusting the position of the first limit block, and the second adjustment plate is provided with a second limit block for adjustment Position of the second waist hole.

A further preferred solution of the present invention is that: the first cylinder is arranged at the lower part of the first sliding block, and the first cylinder is connected to the first sliding block through a cylinder adapter.

A further preferred solution of the present invention is that: the size of the restricted area is larger than the size of the pipe.

The beneficial effect of the utility model is that: the first limit block and the second limit block are enclosed into a limit area to limit the position of the pipe, which can effectively prevent the pipe from bending and deform during processing, and improve the processing yield; increase a limit The position block driving mechanism drives the first limit block and the second limit block to be close to or away from each other, which can be used to facilitate the loading and unloading of pipes. By adding a lifting mechanism, it can be used to adjust the position of the limit area up and down, so that the limit The device can better complete the function of limit protection without affecting the processing.

Description of drawings

The utility model will be further described below in conjunction with the accompanying drawings and embodiments, in the accompanying drawings:

Fig. 1 is the structural representation of the limiting device of the present invention;

Fig. 2 is the partial structure schematic diagram of the limiting device of the present invention;

3 is a partial enlarged schematic view of the limiting device of the present invention;

Fig. 4 is the structural representation of the connecting rod mechanism of the present utility model;

FIG. 5 is a schematic structural diagram of the lifting mechanism of the present invention.

Detailed ways

The preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings.

As shown in FIG. 1 , a limiting device for slender pipe processing in this embodiment includes: a first limiting block 1 , which is used to form a limiting area with the first limiting block 1 to limit the position of the pipe 3 The second limit block 2 is used to drive the limit block drive mechanism 4 that drives the first limit block 1 and the second limit block 2 away from or close to each other, and the base 5 is arranged on one side of the base 5 for driving The base 5 is a lifting mechanism 6 for lifting movement. The first limit block 1 , the second limit block 2 and the limit block driving mechanism 4 are all arranged on the base 5 . By enclosing the first limit block 1 and the second limit block 2 into a limit area to limit the position of the pipe material 3, the bending deformation of the pipe material 3 can be effectively prevented during processing, and the processing yield is improved; a limit block driving mechanism is added. 4. Drive the first limit block 1 and the second limit block 2 to be close to each other or away from each other, which can be used to facilitate the loading and unloading of the pipe 3, and then by adding a lifting mechanism 6, it can be used to adjust the position of the limit area up and down, so that the limit device Under the premise of not affecting the laser cutting operation, the function of limit protection can be better completed.

Further, as shown in FIG. 1 and FIG. 2 , the limit block driving mechanism 4 includes a link mechanism 7 connecting the first limit block 1 and the second limit block 2 and a link mechanism 7 for driving the link mechanism 7 to move. The first cylinder 8. Connect the first limit block 1 and the second limit block 2 through the link mechanism 7, and then drive the link mechanism 7 to move through the first cylinder 8, so that one power source can drive the first limit block 1 and the second limit block 1. The position blocks 2 are close to each other to form a restricted area or away from each other to facilitate the feeding of the pipe 3, which effectively improves the working efficiency of the limiting device. Of course, the combination of the link mechanism 7 and the first cylinder 8 here can also be directly replaced with two cylinders, and the first limit block 1 and the second limit block 2 are driven to move by the two cylinders respectively, so as to complete the approach to each other. or move away.

Further, as shown in FIG. 2 , FIG. 3 , and FIG. 4 , the link mechanism 7 includes: a turntable 71 symmetrically provided with a first guide groove 711 and a second guide groove 712 , which are respectively slidably arranged in the first guide groove 711 and the first transmission column 72 and the second transmission column 73 in the second guide groove 712, the first guide rails 74 and the second guide rails 75 on both sides of the base 5, respectively, and the first guide rails 74 and the second guide rails 75 on both sides of the base 5. The slider 76 and the second slider 77 slidably arranged on the second guide rail 75; the turntable 71 is rotatably arranged on the base 5, and the first limit block 1 and the first transmission column 72 are arranged on the first On the sliding block 76 , the second limiting block 2 and the second transmission column 73 are arranged on the second sliding block 77 , and the first sliding block 76 is connected with the first cylinder 8 . Through the rotation of the turntable 71, the first transmission column 72 in the first guide groove 711 and the second transmission column 73 in the second guide groove 712 are driven to move, and then the first guide rail 74 restricts the first slider 76 and the second guide rail The restriction of the second sliding block 77 by 75 can convert the rotation of the turntable 71 into the linear motion of the first sliding block 76 and the second sliding block 77 . In addition, the first guide groove 711 and the second guide groove 712 are symmetrically arranged on the turntable 71, which can ensure that the moving speed and moving distance of the first sliding block 76 and the second sliding block 77 are consistent when they move in a straight line, which improves the adjustment The convenience of the distance between the first limit block 1 and the second limit block 2. In this embodiment, the first cylinder 8 is connected to the first slider 76 , and the first slider 76 is driven to move by the first cylinder 8 . Under the connection of the link mechanism 7 , the second slider 77 will also By moving, the distance between the first limit block 1 and the second limit block 2 can be adjusted. Of course, a servo motor can also be used to directly drive the turntable 71 to rotate forward or reverse, so as to realize the function of adjusting the distance between the first limit block 1 and the second limit block 2 .

Further, as shown in FIG. 4 , the first transmission column 72 and the second transmission column 73 are respectively provided with a first driven bearing 721 and a second driven bearing 731 . The two driven bearings 731 are respectively disposed in the first guide groove 711 and the second guide groove 712 of the turntable 71 . By adding a first driven bearing 721 between the first transmission column 72 and the first guide groove 711, the friction force between the first transmission column 72 and the turntable 71 can be effectively reduced, and similarly, the second The frictional force between the transmission column 73 and the turntable 71 can effectively improve the working efficiency of the device, reduce the wear and tear of the device, and increase the service life of the device.

Further, as shown in FIGS. 3 and 4 , the turntable 71 is connected to the base 5 through a third driven bearing 713 . By adding a third driven bearing 713, the friction force between the turntable 71 and the base 5 can be effectively reduced, the working efficiency of the device can be improved, the device loss can be reduced, and the service life of the device can be improved.

Further, as shown in FIG. 5 , the lifting mechanism 6 includes a third guide rail 61 connected to the base 5 , a third slider 62 slidably connected to the third guide rail 61 , and a second cylinder 63 connected to the base 5 . . In this embodiment, the third sliding block 62 is fixedly arranged, and under the guidance of the third sliding block 62 and the third guide rail 61 , the base 5 is driven by the second cylinder 63 , so as to realize a stable lifting motion. The limiting device further includes a fixing seat 64 connected with the third sliding block 62 . By adding a fixing seat 64, the limiting device can be easily installed on the production line, thereby improving the versatility of the device.

Further, as shown in FIG. 2 , FIG. 3 , and FIG. 4 , a first adjusting plate 11 for adjusting the position of the first limiting block 1 is also provided between the first limiting block 1 and the first sliding block 76 , A second adjusting plate 21 for adjusting the position of the second limiting block 2 is further provided between the second limiting block 2 and the second sliding block 77 . By adding a first adjusting plate 11 to adjust the position of the first limit block 1 and adding a second adjusting plate 21 to adjust the position of the second limit block 2 . When the size of the pipe material 3 changes, the positions of the first limiting block 1 and the second limiting block 2 can be adjusted to better perform the limiting function and improve the versatility of the limiting device. At the same time, the requirements on the machining accuracy and installation accuracy of the first limit block 1 and the second limit block 2 can be reduced, and the production cost can be effectively reduced on the premise of ensuring the completion of the limit function.

Further, as shown in FIG. 2 , FIG. 3 , and FIG. 4 , the first adjusting plate 11 is provided with a first waist-shaped hole for adjusting the position of the first limiting block 1 , and the second adjusting plate 21 is provided with a first waist-shaped hole. There is a second waist-shaped hole for adjusting the position of the second limit block 2 . The installation position of the first limit block 1 on the first adjustment plate 11 can be adjusted through the first waist-shaped hole. Similarly, the second limit block 2 on the second adjustment plate 21 can be adjusted through the second waist-shaped hole. on the installation location. Of course, the first limit block can also be connected to the first adjustment plate by the guide rail and the slider, and a locking member is added, and after the position adjustment of the first limit block is completed, the locking can be performed.

Further, as shown in FIG. 2 , FIG. 3 , and FIG. 4 , the first cylinder 8 is disposed at the lower portion of the first sliding block 76 , and the first cylinder 8 is connected to the first sliding block 76 through a cylinder adapter 81 . By arranging the first cylinder 8 at the lower part of the first sliding block 76 and connecting through the cylinder adapter 81, the production cost of the limiting device can be effectively reduced, and the cost performance of the product can be improved.

Further, as shown in FIG. 1 and FIG. 2 , the size of the restricted area is larger than the size of the pipe 3 . In this embodiment, the restricted area enclosed by the first limit block 1 and the second limit block 2 is a circular or quasi-circular area, the pipe material 3 is a pipe fitting, and the part passing through the restricted area is also circular. Therefore, in order to ensure the normal operation of the laser cutting work, the restricted area is set to be larger than the maximum external dimension of the pipe 3, that is, the part of the pipe 3 passing through the restricted area is not in contact with the first limit block 1 or the second limit block 2, that is The bending deformation of the pipe material can be reduced while the normal processing of the pipe material 3 is not affected.

It should be understood that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them. For those skilled in the art, the technical solutions recorded in the above embodiments can be modified, or some of the technical solutions can be modified. The features are equivalently replaced; and all these modifications and replacements should belong to the protection scope of the appended claims of the present invention.

Claims (10)

1. A limiting device for slender pipe processing, characterized by comprising: a first limiting block, a second limiting block for enclosing a limiting area with the first limiting block to limit the position of the pipe, A limit block drive mechanism for driving the first limit block and the second limit block to move away from or approach each other, the base, a lifting mechanism arranged on one side of the base for driving the base to do a lifting motion, the first The limit block, the second limit block and the limit block driving mechanism are all arranged on the base. 2 . The limiting device for processing slender pipes according to claim 1 , wherein the limiting block driving mechanism comprises a link mechanism connecting the first limiting block and the second limiting block and a The first cylinder for driving the movement of the linkage mechanism. 3 . The limiting device for processing slender pipes according to claim 2 , wherein the link mechanism comprises: a turntable symmetrically provided with a first guide groove and a second guide groove, which are respectively slidably arranged on the The first transmission column and the second transmission column in the first guide groove and the second guide groove are respectively arranged on the first guide rail and the second guide rail on both sides of the base, and the first sliding block slidingly arranged on the first guide rail, and a second slider slidably arranged on the second guide rail; the turntable is rotatably arranged on the base, the first limit block and the first transmission column are arranged on the first slider, the second limit The block and the second transmission column are arranged on the second sliding block, and the first sliding block is connected with the first cylinder. 4 . The limiting device for processing slender pipes according to claim 3 , wherein the first transmission column and the second transmission column are respectively provided with a first driven bearing and a second driven bearing. 5 . , the first driven bearing and the second driven bearing are respectively arranged in the first guide groove and the second guide groove of the turntable. 5 . The limiting device for processing slender pipes according to claim 3 , wherein the turntable is connected to the base through a third driven bearing. 6 . 6 . The limiting device for processing slender pipes according to claim 1 , wherein the lifting mechanism comprises a third guide rail connected with the base, and a third sliding block slidingly connected with the third guide rail, 6 . A second cylinder attached to the base. 7 . The limiting device for processing slender pipes according to claim 3 , characterized in that: between the first limiting block and the first sliding block, there is further provided a device for adjusting the position of the first limiting block. 8 . The first adjustment plate, and a second adjustment plate for adjusting the position of the second limit block is also provided between the second limit block and the second slider. 8 . The limiting device for processing slender pipes according to claim 7 , wherein the first adjusting plate is provided with a first waist-shaped hole for adjusting the position of the first limiting block, and the The second adjusting plate is provided with a second waist-shaped hole for adjusting the position of the second limiting block. 9 . The limiting device for processing slender pipes according to claim 3 , wherein the first cylinder is arranged at the lower part of the first slider, and the first cylinder is connected to the first cylinder through a cylinder adapter. 10 . Slider connection. 10 . The limiting device for processing slender pipes according to claim 1 , wherein the size of the limiting area is larger than the size of the pipe. 11 .