CN218518232U - Fixed-length pipe feeding device - Google Patents

Abstract

The application relates to a fixed-length pipe feeding device, which comprises a sliding mechanism, wherein a pipeline can slide along the length direction of the sliding mechanism by the sliding mechanism; the pipe conveying mechanism comprises a clamping assembly and a pipe conveying assembly, the clamping assembly clamps and fixes a pipeline, the clamping assembly is installed on the pipe conveying assembly, and the pipe conveying assembly drives the clamping assembly to slide along the length direction of the sliding mechanism. This application has the effect of the length size precision of lifting pipe way.

Description

Fixed-length pipe feeding device

Technical Field

The utility model belongs to the technical field of the pipeline technique and specifically relates to a fixed length send pipe device is related to.

Background

The pipeline is an essential device for daily life, factory production and operation and water source and energy transmission, is most commonly used for liquid and gas transmission and is mainly used for water supply, water drainage, heat supply, gas supply, long-distance transmission of petroleum and natural gas, agricultural irrigation, hydraulic engineering and various industrial devices.

The length of the required pipeline varies due to the different distances that need to be transported. Longer lengths of pipe are typically cut into lengths of pipe for use. And the existing pipeline carries out pipe conveying through the pipe conveying device when being cut, so that the labor is saved.

In the related art, a pipe conveying device includes a plurality of rollers for sliding the pipe, an oil cylinder for pushing the pipe to move, and a baffle for positioning the size of the pipe. The oil cylinder pushes the pipeline to advance, and the baffle plate abuts against and limits the pipeline, so that the length of the pipeline is limited.

In view of the above-mentioned related art, the inventor believes that when the cylinder pushes the pipe onto the flapper, the flapper may bounce against the pipe, retracting the pipe a partial distance, resulting in an inaccurate length dimension of the pipe.

SUMMERY OF THE UTILITY MODEL

In order to promote the length size precision of pipeline, this application provides a fixed length send pipe device.

The application provides a fixed length send tub device adopts following technical scheme:

a fixed-length pipe feeding device comprises a sliding mechanism, wherein a pipeline can slide along the length direction of the sliding mechanism; the pipe conveying mechanism comprises a clamping assembly and a pipe conveying assembly, the clamping assembly clamps and fixes a pipeline, the clamping assembly is installed on the pipe conveying assembly, and the pipe conveying assembly drives the clamping assembly to slide along the length direction of the sliding mechanism.

Through adopting above-mentioned technical scheme, carry out the centre gripping through the centre gripping subassembly to the pipeline, send the pipe subassembly to slide along glide machanism length direction, because the centre gripping unit mount in send on the pipe subassembly, send the pipe subassembly to drive the centre gripping subassembly and slide along glide machanism length direction, centre gripping subassembly centre gripping pipeline slides along glide machanism length direction, can cut the pipeline when the pipeline slides to appointed length, because the centre gripping subassembly carries out the centre gripping to the pipeline, has reduced the risk that the pipeline takes place the skew to the length size precision of pipeline has been promoted.

Optionally, send tub subassembly includes platform, slider and slide rail that slides, the slide rail is located one side of glide machanism just follows glide machanism length direction sets up, the slider slide connect in on the slide rail, the platform that slides install in on the slider.

Through adopting above-mentioned technical scheme, because the slider slides and sets up on the slide rail, and the platform of just sliding is installed on the slider, and the platform accessible slider that slides along the length direction of slide rail, and the platform that slides can drive the centre gripping subassembly and slide along the length direction of slide rail to make the pipeline slide along glide machanism's length direction, made things convenient for the removal of pipeline.

Optionally, the centre gripping subassembly includes mounting panel, first supporting rod, second supporting rod and centre gripping driving piece, the mounting panel is located the platform of sliding is close to one side of glide machanism, first supporting rod install in the bench of sliding, the second supporting rod rotate set up in on the mounting panel, the centre gripping driving piece install in on the mounting panel, the centre gripping driving piece orders about the second supporting rod to first supporting rod direction is rotated.

Through adopting above-mentioned technical scheme, when needs carry out the centre gripping to the pipeline, aim at first supporting rod with the pipeline opening and insert, first supporting rod butt pipeline inner wall starts the centre gripping driving piece afterwards, and the centre gripping driving piece orders about second supporting rod and rotates to first supporting rod direction, and second supporting rod rotates butt joint to the pipeline outer wall, and first supporting rod and second supporting rod carry out the centre gripping to the pipeline fixed this moment, have made things convenient for the fixed of pipeline.

Optionally, one end, far away from the clamping driving member, of the second clamping rod is rotatably provided with an adjusting block, and the adjusting block is located on one side, close to the first clamping rod, of the second clamping rod.

Through adopting above-mentioned technical scheme, because the pipe wall thickness of pipeline is different, the lower terminal surface of second supporting rod can not steadily be centre gripping on the pipeline outer wall of different thickness, sets up the regulating block through rotating on the second supporting rod for the regulating block has the regulation space, and the lower terminal surface of regulating block can steadily butt to the outer wall of pipeline on, thereby is more stable to the centre gripping of pipeline.

Optionally, friction grains are arranged on one side, close to each other, of the adjusting block and the first clamping rod.

Through adopting above-mentioned technical scheme, through setting up friction line, can increase the frictional force of first supporting rod and pipeline inner wall, increase the frictional force of regulating block and pipeline outer wall to the centre gripping to the pipeline is more stable.

Optionally, the platform of sliding is close to one side of mounting panel is provided with the guide rail, the guide rail is followed the mounting panel direction of height sets up, the mounting panel is close to one side of the platform of sliding is provided with the guide block, the guide block slide connect in on the guide rail.

Through adopting above-mentioned technical scheme, because different pipeline external diameters are different, so need adjust the high position of centre gripping subassembly. The scheme is characterized in that a guide rail and a guide block are arranged. The guide rail is along mounting panel direction of height position, and the guide block can drive the centre gripping subassembly and slide along the mounting panel direction of height to adjust centre gripping subassembly's high position.

Optionally, the tube feeding driving unit is further included, the tube feeding driving unit includes a feeding driving member, a rack and a gear, the feeding driving member is mounted on the sliding table, the rack is mounted on an output shaft of the feeding driving member, the rack is arranged along the length direction of the sliding rail, and the gear is meshed with the rack.

By adopting the technical scheme, the feeding driving part is started, the feeding driving part drives the rack to rotate, the sliding rail and the sliding strip are set so that the sliding platform can only slide along the length direction of the sliding rail, the rack moves along the length direction of the rack, the sliding platform is driven to move, and the pipeline is convenient to move.

Optionally, a microswitch is arranged on one side of the adjusting block close to the first clamping rod.

Through adopting above-mentioned technical scheme, because the transport speed of pipeline is very fast, lead to the pipeline probably direct impact to the centre gripping subassembly on, lead to pipeline length direction's location inaccurate. This scheme is through setting up micro-gap switch, and when micro-gap switch was touched to the pipeline, micro-gap switch opened, made the transport speed of pipeline slow down, reduced the risk of pipeline striking, promoted the length size precision of pipeline.

Optionally, the sliding mechanism includes a conveying table and a plurality of rollers, the rollers are arranged in a plurality of intervals along the length direction of the conveying table, and the rollers are all rotatably arranged on the conveying table.

By adopting the technical scheme, the roller is arranged on the conveying table in a rotating mode, when the clamping mechanism drives the pipeline to move, the pipeline can slide on the roller, friction force between the pipeline and the conveying table is reduced, and the pipeline can be moved conveniently.

Optionally, the outer diameters of the two ends of the rolling shaft are gradually reduced towards the middle.

Through adopting above-mentioned technical scheme, the pipeline is probably rolled off from the roller bearing in the removal process, and through dwindling gradually the outer diameter to the middle part at roller bearing both ends, the roller bearing both ends are spacing to the pipeline, have reduced the risk that the pipeline skew was sent out.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a fixed-length pipe conveying device is provided with a sliding mechanism and a pipe conveying mechanism, a pipe conveying assembly drives a clamping assembly to slide along the length direction of the sliding mechanism, the clamping assembly clamps a pipeline to slide along the length direction of the sliding mechanism, the pipeline can be cut when the pipeline slides to a specified length, and the clamping assembly clamps the pipeline, so that the risk of deviation of the pipeline is reduced, and the length size precision of the pipeline is improved;

2. according to the fixed-length pipe conveying device, the mounting plate, the first clamping rod, the second clamping rod and the clamping driving piece are arranged, the first clamping rod abuts against the inner wall of the pipeline, the second clamping rod rotatably abuts against the outer wall of the pipeline, and the first clamping rod and the second clamping rod clamp and fix the pipeline, so that the pipeline is convenient to fix;

3. the utility model provides a fixed length send pipe device is through setting up the response piece, when the pipeline slided butt joint to the response piece on, the response piece can reduce the slew velocity of pay-off driving piece output shaft to pay-off driving piece signals, has reduced the risk that the platform that slides striking to the centre gripping subassembly, has improved the precision of pipeline length size.

Drawings

FIG. 1 is a schematic structural view of a give tube device;

FIG. 2 is a schematic structural view of a sliding mechanism;

FIG. 3 is a schematic structural view of a tube feeding assembly;

FIG. 4 is a schematic structural view of the clamping assembly, the glide assembly and the adjustment assembly.

Description of reference numerals:

1. an installation table; 2. a sliding mechanism; 21. a conveying table; 211. a square bar; 212. a connecting rod; 22. a sliding assembly; 221. a roller; 222. a bearing seat; 3. a pipe conveying mechanism; 31. a clamping assembly; 32. a tube feeding assembly; 321. a sliding table; 3211. a support bar; 3212. fixing the rod; 322. a pipe conveying sliding group; 3221. a slide rail; 3222. a slider; 323. a support table; 3231. a box body; 3232. a cover plate; 324. a pipe conveying driving group; 3241. a feeding driving member; 3242. a rack; 3243. a gear; 311. a clamping platform; 3111. mounting grooves; 3112. covering a plywood; 3113. mounting a plate; 3114. mounting a column; 31141. a rotating groove; 31142. an extension plate; 312. a first clamping rod; 3121. rubbing the grains; 313. a second clamping rod; 3131. a first half-bar; 3132. a second half-bar; 31321. an adjusting block; 314. clamping the driving member; 4. a slipping component; 41. a sliding guide group; 411. a guide rail; 412. a guide block; 42. a slipping driving group; 421. a sliding drive member; 422. a screw; 423. a feed screw nut; 5. a microswitch; 6. an adjustment assembly; 61. adjusting the sliding block; 62. the rail is adjusted.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses fixed length send pipe device.

Referring to fig. 1, a fixed length delivery tube device comprises a mounting table 1, a slipping mechanism 2 and a tube delivery mechanism 3. The sliding mechanism 2 and the pipe conveying mechanism 3 are both arranged on the mounting table 1. The sliding mechanism 2 can be used for the pipeline to slide along the length direction of the sliding mechanism 2, and the pipe conveying mechanism 3 can drive the pipeline to slide along the length direction of the sliding mechanism 2.

Referring to fig. 2, the slide mechanism 2 includes a conveying table 21 and a slide assembly 22. The conveying table 21 includes a square bar 211 and a connecting bar 212. The square bars 211 are provided with two, and two square bars 211 set up relatively, and two square bars 211 are arranged along the 1 width direction interval of mount table, and square bar 211 extends the setting along 1 length direction of mount table. The connecting rods 212 are provided with a plurality of connecting rods 212, the connecting rods 212 are arranged at intervals along the length direction of the square rod 211, and the number of the connecting rods 212 can be adjusted according to the length of the connecting rods 212. In the present embodiment, the connecting rod 212 is welded between the two square bars 211, and the connecting rod 212 is used to fix the relative position between the two square bars 211.

The sliding assemblies 22 are provided with a plurality of groups, the sliding assemblies 22 are arranged at intervals along the length direction of the square bar 211, and the number of the sliding assemblies 22 can be adjusted according to the length of the square bar 211. The slide assembly 22 includes two bearing blocks 222 and a roller 221. The two bearing seats 222 are oppositely arranged, the bearing seats 222 are arranged on the corresponding square bars 211, and the axes of the bearing seats 222 are perpendicular to the length direction of the square bars 211. The two ends of the roller 221 are respectively rotatably connected to the corresponding bearing seats 222, and the roller 221 can rotate along the axial direction of the bearing seats 222. When the pipe moves, the friction between the pipe and the feeding table 21 can be reduced by the rotation of the roller 221. The outer diameters of the two ends of the rolling shaft 221 are gradually reduced towards the middle, the two ends of the rolling shaft 221 can limit the pipeline when the pipeline moves, and the risk of deviation of the rolling shaft 221 of the pipeline is reduced. The periphery wall cover of roller 221 is equipped with anti-skidding cover, through the frictional force of anti-skidding cover increase pipeline and roller 221 between, reduces the risk that the pipeline skidded.

Referring to fig. 3 and 4, the tube feeding mechanism 3 includes a gripping assembly 31 and a tube feeding assembly 32. The pipe conveying assembly 32 can clamp and fix the pipeline, and the clamping assembly 31 drives the square rod 211 of the pipe conveying assembly 32 to slide along the length direction.

Referring to FIG. 3, the feed pipe assembly 32 includes a support platform 323, a feed pipe slide block 322, a slide block 321, and a feed pipe drive block 324.

The support platform 323 is mounted on the mounting platform 1, and the support platform 323 is provided on one side of the conveying platform 21. The support table 323 includes a support rod 3211 and a fixing rod 3212. The bracing piece 3211 is provided with two, and two bracing pieces 3211 set up relatively, and two bracing pieces 3211 are arranged along mount table 1 width direction interval, and bracing piece 3211 extends the setting along mount table 1 length direction. The fixing rods 3212 are provided with a plurality of fixing rods 3212, which are arranged at intervals along the length direction of the supporting rod 3211, and the number of the fixing rods 3212 can be adjusted according to the length of the supporting rod 3211. In this embodiment, the fixing rod 3212 is welded between the two supporting rods 3211, and the fixing rod 3212 is used to fix a relative position between the two supporting rods 3211.

Referring to fig. 3, the tube feeding sliding set 322 includes a sliding rail 3221 and a sliding block 3222. The number of the sliding rails 3221 is two, the two sliding rails 3221 are respectively installed on the respective corresponding fixing rods 3212, and the sliding rails 3221 are oppositely extended along the length of the fixing rods 3212. The sliders 3222 are provided with two sets, each sliding rail 3221 is provided with a set of slider 3222, each set of slider 3222 includes two sliders 3222, and each slider 3222 can be arranged along the length direction of the sliding rail 3221.

The sliding table 321 includes a hollow box 3231 and a cover plate 3232 covering an opening of the box 3231, the opening of the box 3231 is disposed toward the sliding rail 3221, the cover plate 3232 is mounted on the two sets of sliders 3222 by bolts, and the box 3231 is provided for the clamping assembly 31 to be mounted.

Referring to fig. 3, feed tube drive group 324 includes a feed drive 3241, a rack 3242, and a pinion 3243. The feeding driving element 3241 is located inside the box 3231, the box 3231 is fixed on the cover 3232 by bolts, an output shaft of the feeding driving element 3241 extends toward the installation table 1, and the output shaft of the feeding driving element 3241 penetrates through the cover 3232. In this embodiment, the feed drive 3241 is preferably configured as a motor. The rack 3242 is coaxially disposed on an output shaft of the feeding driving member 3241, and the rack 3242 and the output shaft of the feeding driving member 3241 are connected by a key. The rack 3242 is installed on the supporting rods 3211 by bolts, the rack 3242 extends along the length direction of the supporting rods 3211, the rack 3242 is located between the two supporting rods 3211, the tooth surface of the rack 3242 faces the direction of the gear 3243, and the rack 3242 and the gear 3243 are engaged with each other.

Through the pneumatic feeding driving element 3241, an output shaft of the feeding driving element 3241 drives the gear 3243 to rotate, and the sliding rail 3221 and the sliding strip are set so that the sliding table 321 can only slide along the length direction of the sliding rail 3221, so that the gear 3243 moves along the length direction of the rack 3242, the sliding table 321 is driven to move, and further, the movement of the pipeline is facilitated.

Referring to fig. 4, the clamping assembly 31 includes a clamping platform 311, a clamping driving member 314, a first clamping bar 312, and a second clamping bar 313. The holding platform 311 is mounted on the side of the case 3231 near the square bar 211. Mounting groove 3111 has been seted up to one side that centre gripping platform 311 keeps away from box 3231, and centre gripping platform 311 covers in mounting groove 3111's notch department and is equipped with the lid and closes board 3112, and the lid closes board 3112 and covers mounting groove 3111 and close. The mounting plate 3113 is installed in the mounting groove 3111 for the clamping platform 311, and the mounting plate 3113 is disposed along the height direction of the clamping platform 311. Mounting panel 3113 is kept away from one side of box 3231 and is installed the erection column 3114 through the bolt, and the erection column 3114 extends the setting along the length direction of square bar 211, and the erection column 3114 passes a lateral wall of centre gripping platform 311. The clamp driving member 314 is rotatably connected to a side of the mounting post 3114 away from the square shaft by a rotating shaft. In this embodiment, the clamp drive 314 is preferably provided as a pneumatic cylinder.

The second clamping bar 313 includes a first half bar 3131 and a second half bar 3132, the second half bar 3132 is integrally disposed at one end of the first half bar 3131, one end of the first half bar 3131 is rotatably coupled to an output shaft of the clamping driving member 314 by a rotating shaft, a protruding end of the mounting plate 3113 is formed with a rotating groove 31141, a junction of the first half bar 3131 and the second half bar 3132 is rotatably coupled to the rotating groove 31141 by a rotating shaft, and the other end portion of the second half bar 3132 protrudes from the rotating groove 31141. An end of the second half rod 3132 away from the rotation axis is rotatably provided with an adjusting block 31321 through a rotation shaft. The first clamping bar 312 is mounted on the mounting post 3114 at a side away from the clamping platform 311 by bolts, and the first clamping bar 312 is located at a lower side of the adjusting block 31321.

The output shaft of the clamping driving member 314 drives the first half-rod 3131 to rotate towards the second half-rod 3132, and since the second half-rod 3132 is disposed on the first half-rod 3131, the second half-rod 3132 can only rotate towards the first clamping rod 312. When the pipe is clamped, the first clamping rod 312 abuts against the inner wall of the pipe, and the adjusting block 31321 abuts against the outer wall of the pipe, so that the pipe is clamped.

Referring to fig. 4, friction patterns 3121 are provided at sides of the adjusting block 31321 and the first clamping bar 312, which are close to each other. Through setting up friction line 3121, can increase the frictional force of first clamping pole 312 and pipeline inner wall, increase the frictional force of regulating block 31321 and pipeline outer wall to the centre gripping to the pipeline is more stable.

An extension plate 31142 is disposed at one end of the mounting post 3114 protruding from the clamping platform 311, a micro switch 5 is disposed on one side of the extension plate 31142 away from the supporting post, and the micro switch 5 is disposed on one side of the adjusting block 31321. When the pipeline touches micro-gap switch 5, micro-gap switch 5 opens, makes the transport speed of pipeline slow down, has reduced the risk of pipeline striking, promotes the length size precision of pipeline.

Referring to fig. 4, the give tube device further includes a glide assembly 4 for adjusting the height of the clamp assembly 31. The glide assembly 4 comprises a glide guide set 41 and a glide drive set 42. The sliding guide group 41 includes a guide rail 411 and a guide block 412. The number of the guide rails 411 is two, the two guide rails 411 are all installed on one side, close to the clamping platform 311, of the box body 3231 through bolts, and the two guide rails 411 extend along the height direction of the box body 3231. The guide block 412 is provided with two, two guide rails 411 are all arranged on one side of the clamping platform 311 close to the box body 3231, and the two guide rails 411 are all connected on the respective corresponding guide rails 411 in a sliding manner. The clamping platform 311 can slide along the length direction of the guide rail 411 through the matching of the guide block 412 and the guide rail 411. Thereby adapting to pipes of different outer diameters.

The slip drive group 42 includes a slip drive 421, a screw 422, and a lead screw nut 423. In this embodiment, the slide driving member 421 is preferably configured as a motor, the slide driving member 421 is installed on the upper side of the box body 3231 by bolts, the output shaft of the slide driving member 421 is arranged downward, the screw 422 is connected with the output shaft of the slide driving member 421 by a key, the screw 422 is arranged along the height direction of the box body 3231, the lead screw nut 423 is fixed on one side of the clamping platform 311 close to the box body 3231 by bolts, and the lead screw nut is connected to the screw 422 by threads. The sliding driving member 421 drives the screw 422 to rotate, and since the screw nut 423 is in threaded connection with the screw 422, and the guide group limits the sliding position of the clamping platform 311, the clamping platform 311 slides along the length direction of the guide rail 411 without artificial sliding, thereby facilitating the adjustment of the height direction of the clamping assembly 31.

Referring to fig. 4, an adjustment assembly 6 is disposed between the mounting plate 3113 and the clamping platform 311. The adjustment assembly 6 includes an adjustment rail 62 and an adjustment slider 3222. The adjusting rail 62 is provided with two, and two adjusting rails 62 set up on the cell wall of mounting groove 3111, and adjusting rail 62 extends the setting along the centre gripping platform 311 direction of height, and adjusting slider 3222 is provided with two, and two adjusting slider 3222 pass through the bolt and install in the one side that the mounting block is close to adjusting rail 62, and two adjusting slider 3222 all slide and connect on the adjusting rail 62 that corresponds separately.

When the pipe wall is too thick, the rotation angles of the first clamping rod 312 and the second clamping rod 313 may increase, which may increase the rotation angle of the clamping driving member 314, increase the pressure of the clamping driving member 314 on the clamping platform 311, so that the clamping platform 311 may shift, and the clamping platform 311 may damage the screw 422. Through setting up adjusting part 6, when centre gripping driving piece 314 rotated, accessible adjusting part 6 carried out regulation from top to bottom, can not make centre gripping platform 311 take place the skew. The risk of damage to the screw 422 is reduced.

The implementation principle of a fixed length pipe feeding device of the embodiment of the application is as follows: when the pipeline needs to be lengthened, the pipeline slides towards the clamping assembly 31, when the pipe wall of the pipeline is located between the first clamping rod 312 and the adjusting block 31321, the clamping driving piece 314 drives the adjusting block 31321 to rotate towards the outer wall of the pipeline, the first clamping rod 312 and the adjusting block 31321 clamp the pipe wall of the pipeline, then the feeding driving piece 3241 is started, the output shaft of the feeding driving piece 3241 drives the gear 3243 to rotate, the sliding rail 3221 and the sliding strip are set so that the sliding table 321 can only slide along the length direction of the sliding rail 3221, the gear 3243 moves along the length direction of the rack 3242, the sliding table 321 is driven to move, the sliding table 321 drives the clamping assembly 31 to slide, the clamping assembly 31 drives the pipeline to slide to a specified position, and the length fixing of the pipeline is completed.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A fixed-length pipe feeding device, which is characterized in that: the pipeline sliding device comprises a sliding mechanism (2), wherein the sliding mechanism (2) can be used for sliding the pipeline along the length direction of the sliding mechanism (2);

pipe feeding mechanism (3), pipe feeding mechanism (3) include centre gripping subassembly (31) and send pipe subassembly (32), centre gripping subassembly (31) carry out the centre gripping to the pipeline fixed, centre gripping subassembly (31) install in send pipe subassembly (32) on, send pipe subassembly (32) drive centre gripping subassembly (31) are followed glide machanism (2) length direction slides.

2. A length fixing tube device as claimed in claim 1, wherein: the pipe feeding assembly (32) comprises a sliding table (321), a sliding block (3222) and a sliding rail (3221), wherein the sliding rail (3221) is located on one side of the sliding mechanism (2) and arranged along the length direction of the sliding mechanism (2), the sliding block (3222) is connected to the sliding rail (3221) in a sliding manner, and the sliding table (321) is installed on the sliding block (3222).

3. A length fixing pipe apparatus as claimed in claim 2, wherein: centre gripping subassembly (31) include mounting panel (3113), first clamping rod (312), second clamping rod (313) and centre gripping driving piece (314), mounting panel (3113) are located slide platform (321) and be close to one side of glide machanism (2), first clamping rod (312) install in slide platform (321) on, second clamping rod (313) rotate set up in on mounting panel (3113), centre gripping driving piece (314) install in on mounting panel (3113), centre gripping driving piece (314) order about second clamping rod (313) to first clamping rod (312) direction is rotated.

4. A length fixing pipe delivery apparatus as claimed in claim 3, wherein: one end, far away from the clamping driving piece (314), of the second clamping rod (313) is rotatably provided with an adjusting block (31321), and the adjusting block (31321) is located on one side, close to the first clamping rod (312), of the second clamping rod (313).

5. A length fixing pipe feeding apparatus as claimed in claim 4, wherein: one sides, close to each other, of the adjusting block (31321) and the first clamping rod (312) are provided with friction grains (3121).

6. A length fixing pipe delivery apparatus as claimed in claim 3, wherein: slide platform (321) and be close to one side of mounting panel (3113) is provided with guide rail (411), guide rail (411) are followed mounting panel (3113) direction of height sets up, mounting panel (3113) are close to one side of sliding platform (321) is provided with guide block (412), guide block (412) slide connect in on guide rail (411).

7. A length fixing pipe delivery apparatus as claimed in claim 2, wherein: the conveying pipe driving group (324) comprises a feeding driving part (3241), a rack (3242) and a gear (3243), the feeding driving part (3241) is installed on the sliding table (321), the rack (3242) is installed on an output shaft of the feeding driving part (3241), the rack (3242) is arranged along the length direction of the sliding rail (3221), and the gear (3243) and the rack (3242) are meshed with each other.

8. A length fixing pipe feeding apparatus as claimed in claim 4, wherein: one side of the adjusting block (31321) close to the first clamping rod (312) is provided with a microswitch (5).

9. A length fixing tube device as claimed in claim 1, wherein: glide machanism (2) are including carrying platform (21) and roller (221), roller (221) are provided with a plurality ofly, and are a plurality of roller (221) are followed carry platform (21) length direction interval arrangement, roller (221) all rotate set up in carry on the platform (21).

10. A length fixing tube device as claimed in claim 9, wherein: the outer diameters of the two ends of the rolling shaft (221) are gradually reduced towards the middle.

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