CN115385084A

CN115385084A - Pipe clamping device

Info

Publication number: CN115385084A
Application number: CN202211210905.2A
Authority: CN
Inventors: 赵祥雷; 赵辉辉
Original assignee: Xuzhou Tongle Pipe Industry Co ltd
Current assignee: Xuzhou Tongle Pipe Industry Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2022-11-25

Abstract

The invention discloses a pipe clamping device, and particularly relates to the technical field of pipe processing, which comprises a mounting frame, wherein a device outer frame is fixedly arranged on one side of the mounting frame.

Description

Pipe clamping device

Technical Field

The invention relates to the technical field of pipe machining, in particular to a pipe clamping device.

Background

The pipe is the material used for manufacturing the pipe fitting, different pipe fittings need different pipe fittings, and the quality of the pipe fitting is directly determined. The pipe is widely used in construction engineering, power plants, chemical plants and other places. The pipe is also a necessary material for home decoration, and commonly used materials comprise a water supply pipe, a water discharge pipe, a gas pipe, a heating pipe, an electric wire conduit, a rainwater pipe and the like.

The tubular product generally needs to be transported and cut, the tubular product is transported and cut, the stability of the tubular product is increased in the process of cutting, the tubular product needs to be clamped and positioned by using a clamping jaw device, the traditional clamping jaw device for tubular product processing mostly comprises two clamping jaws, the tubular product is clamped and positioned by the two clamping jaws, although the stability of the tubular product is improved, the tubular product cannot rotate and displace, when the tubular product needs to be cut at different positions, the tubular product needs to be clamped and loosened back and forth, so that the position of the tubular product is changed, and the operation is troublesome.

Disclosure of Invention

The present invention is directed to a pipe clamping device to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a tubular product tonger device, includes the mounting bracket, one side fixed mounting of mounting bracket has the device frame, it dredges the mechanism to be equipped with the clamp in the device frame, the equal fixed mounting in both sides of device frame has the protective cover, one of them the protective cover is kept away from one side upper end fixed mounting that the clamp dredged the mechanism and is directly driven the subassembly, the bottom fixed mounting who directly drives the subassembly has clamping mechanism, the activity card is equipped with the tubular product body among the clamping mechanism.

Preferably, the dredging mechanism includes a dredging outer cylinder, the dredging outer cylinder is fixedly mounted in the device outer frame, the dredging outer cylinder is of a cylindrical structure, a dredging through groove is formed in the middle of the dredging outer cylinder, a cavity is formed in the dredging outer cylinder, two positioning groups and two dredging groups are symmetrically distributed at two ends of the dredging outer cylinder, the two dredging groups are located between the two positioning groups, each positioning group includes a plurality of positioning blocks distributed in an annular array relative to the dredging through groove, the positioning blocks are slidably clamped at the inner side end of the dredging outer cylinder, opposite ends of the positioning blocks are located in the dredging through groove, opposite ends of the positioning blocks extend into the cavity, the dredging groups include a plurality of dredging blocks distributed in an annular array relative to the dredging through groove, the dredging blocks are slidably clamped at the inner side end of the dredging outer cylinder, opposite ends of the dredging blocks are located in the dredging through groove, opposite ends of the dredging blocks extend into the cavity, uniform thread grooves are formed between adjacent positioning groups and dredging groups, one side of the positioning block close to the first thread forming groove is provided with a first thread forming protrusion, one side of the first thread forming protrusion, a first thread forming protrusion is provided with a first thread forming protrusion, and a first thread forming protrusion, one side of the first thread forming protrusion, and a first thread forming protrusion is provided with a first thread forming protrusion corresponding thread forming protrusion, and a second thread forming protrusion corresponding second thread forming protrusion.

Preferably, the direction of the first planar threaded projection is opposite to the direction of the second planar threaded projection.

Preferably, a plurality of first frames are fixedly mounted on opposite sides of the positioning blocks, positioning rollers are rotatably mounted on one sides, away from the positioning blocks, of the first frames, a first motor is fixedly mounted on the outer side of one of the first frames, and a driving end of the first motor is fixedly mounted on the axis of the corresponding positioning roller.

Preferably, the opposite sides of the plurality of dredging blocks are fixedly provided with second frames, one sides, far away from the dredging blocks, of the second frames are rotatably provided with dredging rollers, the outer side of one of the second frames is fixedly provided with a second motor, and the driving end of the second motor is fixedly arranged with the axes of the corresponding dredging rollers.

Preferably, the rotation direction of the positioning roller and the rotation direction of the dredging roller are vertically distributed.

Preferably, the fixed cover in the outside of drive ring all is equipped with the cover frame, the cover frame rotates the inboard of joint at the cavity, two fixed mounting has the connecting frame between the cover frame, the connecting frame rotates the inboard of joint at the cavity.

Preferably, the fixed cover in the outside middle part of connecting frame is equipped with first gear, press from both sides the outside fixed mounting that dredges the urceolus and have the third motor, the drive end fixed mounting of third motor has the second gear, the bottom of second gear extends into the cavity, second gear and first gear meshing connection.

Preferably, the protective cover is provided with a feeding hole, and the position of the feeding hole horizontally corresponds to the position of the material dredging penetration groove.

Preferably, the direct-drive assembly comprises an installation cross frame, the installation cross frame is fixedly installed at one of the upper ends of one side of the clamp thinning mechanism, the bottom end of the installation cross frame is fixedly installed with a linear electric cylinder, the clamping mechanism comprises a clamping frame, the clamping frame is fixedly installed at the driving end of the linear electric cylinder, symmetrically distributed sliding grooves are formed in the bottom end of the clamping frame, a rotating pipe is arranged between the sliding grooves in a clamping mode, a double-headed screw is installed in the rotating pipe in a rotating mode, the double-headed screw is installed in the clamping frame in a rotating mode, a clamping frame is arranged in each sliding groove in a sliding mode, the clamping frames are symmetrically distributed, an inner screwed pipe matched with the double-headed screw is arranged on the top fixing card of each clamping frame, the inner screwed pipe is sleeved on the outer side of the double-headed screw in a threaded mode, clamping grooves are formed in the bottoms of the two opposite sides of the clamping frames, the positions of the clamping grooves correspond to the positions of the thinning grooves in a horizontal mode, balls are arranged on the upper and lower portions of the clamping grooves, a pipe body is located between the two clamping grooves, the pipe body is in contact with the outer side of the driving end, one side of the pipe body, and one side of the clamping frame, and one side of the fourth clamping motor, and one end portion of the fourth double-headed motor are installed on the double-headed motor.

Compared with the prior art, the invention has the beneficial effects that:

1. the pipe body is driven to slide oppositely by arranging the dredging and clamping mechanism, meanwhile, the dredging and guiding blocks slide oppositely, the positioning roller carries out roller type positioning on the pipe body, the stability of subsequent cutting processing of the pipe body is improved, the first motor is started to drive one positioning roller to rotate, so that the pipe body is driven to rotate, conversely, the dredging and guiding blocks are driven to slide oppositely, the dredging and guiding rollers carry out roller type positioning on the pipe body, the stability of the pipe body during subsequent forward movement transportation is improved, and one dredging and guiding roller is driven to rotate by starting the second motor, so that the pipe body is driven to move forwards for transportation, the position of the pipe body is flexibly changed, and the cutting of different positions of the pipe body is facilitated;

2. the clamping mechanism is arranged, the direct-drive assembly is matched for use, the external pipe body to be processed is clamped and positioned, the pipe body is not influenced to rotate among the balls to move forwards, the positioned pipe body is driven to move forwards, and the pipe body to be processed is moved into the clamping and dredging mechanism to be positioned in a roller type manner;

3. through setting up two protective covers, dredge the mechanism to pressing from both sides in the device frame and protect, prevent to press from both sides to dredge the mechanism and receive wearing and tearing, and be convenient for dredges the mechanism through dismantling the protective cover with pressing from both sides and dismantle and get off and overhaul.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention,

FIG. 2 is a schematic view of the structural connection between the outer frame of the apparatus and the clamping and loosening mechanism and the protecting cover,

FIG. 3 is a schematic view of the structural connection of the dredging and clamping mechanism of the present invention,

figure 4 is a schematic view of the structural connection of the driving ring and the sleeve frame in the invention,

FIG. 5 is a schematic view of the structural connection between the driving ring and the dredging group and the positioning group according to the present invention,

figure 6 is a schematic view of the structural connection of the direct drive assembly and the clamping mechanism and the pipe body in the invention,

fig. 7 is an enlarged view of the invention at a in fig. 6.

In the figure: 1. a mounting frame; 2. an apparatus outer frame; 3. a clamping and dredging mechanism; 4. a protective cover; 41. a feed port; 5. a direct drive assembly; 6. a clamping mechanism; 7. a tube body; 31. clamping and dredging the outer barrel; 311. dredging the material and penetrating through the groove; 312. a cavity; 32. positioning blocks; 321. a first frame; 322. positioning the roller; 323. a first motor; 33. a guide block is dredged; 331. a second frame; 332. a dredging roller; 333. a second motor; 34. a drive ring; 341. a first planar threaded boss; 342. a second planar threaded projection; 343. a first planar thread groove; 344. a second planar thread groove; 35. sleeving a frame; 36. a connecting frame; 37. a first gear; 38. a third motor; 39. a second gear; 51. mounting a transverse frame; 52. a linear electric cylinder; 61. clamping the outer frame; 611. a chute; 62. rotating the tube; 63. a double-ended screw; 631. an inner solenoid; 64. a clamping frame; 641. a clamping groove; 642. a ball bearing; 65. and a fourth motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1 to 7, the invention provides a pipe clamping and loosening device, which comprises a mounting frame 1, wherein a device outer frame 2 is fixedly installed on one side of the mounting frame 1, a clamping and loosening mechanism 3 is arranged in the device outer frame 2, protective covers 4 are fixedly installed on two sides of the device outer frame 2 through bolts, the clamping and loosening mechanism 3 in the device outer frame 2 is protected by arranging the two protective covers 4, the clamping and loosening mechanism 3 is prevented from being worn, and the clamping and loosening mechanism 3 is conveniently detached for maintenance by detaching the protective covers 4; one of them protective cover 4 is kept away from the clamp and is dredged one side upper end fixed mounting of mechanism 3 and directly drive subassembly 5, the bottom fixed mounting that directly drives subassembly 5 has clamping mechanism 6, the activity card is equipped with tubular product body 7 in the clamping mechanism 6.

The dredging and clamping mechanism 3 comprises a dredging and clamping outer cylinder 31, the dredging and clamping outer cylinder 31 is fixedly installed in the device outer frame 2, the dredging and clamping outer cylinder 31 is of a cylindrical structure, a dredging through groove 311 is formed in the middle of the dredging and clamping outer cylinder 31 and used for penetrating the pipe body 7, a cavity 312 is formed in the dredging and clamping outer cylinder 31, two positioning groups and two dredging groups are symmetrically distributed at two ends of the dredging and clamping outer cylinder 31, the two dredging groups are located between the two positioning groups, the positioning groups comprise a plurality of positioning blocks 32 distributed in an annular array mode about the dredging through groove 311, the positioning blocks 32 are slidably clamped at the inner side end of the dredging and clamping outer cylinder 31, the positioning blocks 32 can slide at the inner side end of the dredging and clamping outer cylinder 31, the opposite ends of the positioning blocks 32 are located in the dredging through groove 311, the opposite back ends of the positioning blocks 32 extend into the cavity 312, the dredging and guiding groups comprise a plurality of dredging blocks 33 distributed in an annular array mode about the dredging through groove 311, the dredging blocks 33 are slidably clamped at the inner side end of the dredging and the outer cylinder 31, the opposite ends of the dredging and the dredging blocks 33 are located in the cavity 311;

a driving ring 34 is arranged between the adjacent positioning group and the adjacent dredging group; the equal fixed cover in the outside of drive ring 34 is equipped with cover frame 35, cover frame 35 rotates the joint in the inboard of cavity 312, and through setting up cover frame 35, cover frame 35 rotates in the inboard of cavity 312, drives and corresponds drive ring 34 and rotate between corresponding location group, dredging group, two fixed mounting has a connection frame 36 between the cover frame 35, connection frame 36 rotates the joint in the inboard of cavity 312, rotates in cavity 312 through drive connection frame 36, and synchronous drive both sides cover frame 35 rotates to drive both sides drive ring 34 and rotate corresponding location group, dredging between the group.

The fixed cover in outside middle part of coupling frame 36 is equipped with first gear 37, the outside fixed mounting who presss from both sides to dredge urceolus 31 has third motor 38, the drive end fixed mounting of third motor 38 has second gear 39, the bottom of second gear 39 extends into cavity 312, second gear 39 and first gear 37 meshing connection, during the use, through control and open third motor 38 drive second gear 39 and rotate to drive first gear 37 and rotate, and then drive coupling frame 36 rotates in cavity 312.

A first plane thread bulge 341 is integrally formed on one side of the driving ring 34 close to the positioning block 32, and a second plane thread bulge 342 is integrally formed on one side of the driving ring 34 close to the guide block 33, wherein the direction of the first plane thread bulge 341 is opposite to that of the second plane thread bulge 342; a first plane thread groove 343 matched with the first plane thread projection 341 is formed on one side of the positioning blocks 32 close to the driving ring 34, the first plane thread projection 341 is movably clamped in the corresponding first plane thread groove 343, a second plane thread groove 344 matched with the second plane thread projection 342 is formed on one side of the guide blocks 33 close to the driving ring 34, the second plane thread projection 342 is movably clamped in the corresponding second plane thread groove 344, the driving ring 34 on two sides is driven to rotate between the corresponding positioning group and the guide group, the first plane thread projection 341 is matched and movably clamped in the corresponding first plane thread groove 343, the second plane thread projection 342 is movably clamped in the corresponding second plane thread groove 344, the positioning blocks 32 are synchronously driven to slide in opposite directions, meanwhile, the guide blocks 33 slide in opposite directions, when the driving ring 34 on two sides is synchronously and reversely rotated between the corresponding positioning group and the guide group, the first plane thread projection is matched and clamped in the corresponding first plane thread groove 343, and the second plane thread projection is synchronously clamped in the corresponding second plane thread groove 344, the guide blocks 33 can synchronously and reversely rotate in opposite directions, the positioning blocks 341 are driven, and the guide blocks 341 can be synchronously clamped in the guide grooves 344, and simultaneously, and the guide blocks 32.

The opposite sides of the plurality of positioning blocks 32 are fixedly provided with first frames 321, one side of each first frame 321, which is far away from the positioning blocks 32, is rotatably provided with a positioning roller 322, one of the first frames 321 is fixedly provided with a first motor 323, the driving end of each first motor 323 is fixedly provided with the axis of the corresponding positioning roller 322, and when the plurality of positioning blocks 32 slide in opposite directions, the plurality of first frames 321 and the plurality of positioning rollers 322 are driven to slide in opposite directions, so that the plurality of positioning rollers 322 are in contact with the outer side of the pipe body 7, the pipe body 7 is positioned in a roller manner, the stability of subsequent cutting processing of the pipe body 7 is improved, and the first motors 323 are started to drive one of the positioning rollers 322 to rotate, so that the pipe body 7 is driven to rotate.

The opposite sides of the plurality of dredging blocks 33 are fixedly provided with second frames 331, one sides of the second frames 331 far away from the dredging blocks 33 are rotatably provided with dredging rollers 332, and the rotating direction of the positioning rollers 322 and the rotating direction of the dredging rollers 332 are vertically distributed; one of them the outside fixed mounting of second frame 331 has second motor 333, the drive end of second motor 333 with correspond dredge gyro wheel 332 axle center fixed mounting, when a plurality of dredge the piece 33 and slide in opposite directions, drive a plurality of second frames 331, dredge gyro wheel 332 and slide in opposite directions, make a plurality of outside contacts of dredging gyro wheel 332 and tubular product body 7, carry out roller type location to tubular product body 7, stability when promoting the follow-up antedisplacement transportation of tubular product body 7, and be convenient for through opening second motor 333, drive one of them and dredge gyro wheel 332 and rotate, thereby drive tubular product body 7 and carry out the antedisplacement transportation, change the position of tubular product body 7 in a flexible way, be convenient for the cutting of tubular product body 7 different positions.

The protective cover 4 is provided with a feed hole 41, the position of the feed hole 41 corresponds to the position level of the material dredging through groove 311, and the outer pipe body 7 can conveniently enter the material dredging through groove 311 through the feed hole 41 to be positioned in a roller manner by arranging the feed hole 41.

The direct-drive assembly 5 comprises a mounting cross frame 51, the mounting cross frame 51 is fixedly mounted at the upper end of one side of one of the protective covers 4, which is far away from the dredging mechanism 3, a linear electric cylinder 52 is fixedly mounted at the bottom end of the mounting cross frame 51, the clamping mechanism 6 comprises a clamping outer frame 61, the clamping outer frame 61 is fixedly mounted at the driving end of the linear electric cylinder 52, when the direct-drive assembly is used, the linear electric cylinder 52 is controlled and opened, the clamping outer frames 61 on two sides are driven to move horizontally, so that the clamping mechanism 6 is driven to move horizontally, symmetrically-distributed sliding grooves 611 are formed in the bottom end of the clamping outer frame 61, a rotating pipe 62 is fixedly clamped between the two sliding grooves 611, a double-headed screw 63 is movably mounted in the rotating pipe 62, the double-headed screw 63 is rotatably mounted in the clamping outer frame 61, a fourth motor 65 is fixedly mounted at one side of the clamping outer frame 61, the driving end of the fourth motor 65 and one end of the double-headed screw 63 are fixedly mounted, when the direct-drive assembly is used, the fourth motor 65 is controlled and opened, so that the double-headed screw 63 is stably rotated in the clamping outer frame 61; the sliding clamp is provided with clamping frames 64 in the sliding groove 611, the clamping frames 64 are symmetrically distributed, the top fixing clamp of the clamping frame 64 is provided with an inner solenoid 631 matched with the double-headed screw 63 for use, the inner solenoid 631 is in threaded sleeve connection with the outer side of the double-headed screw 63, the double-headed screw 63 stably rotates in the clamping frame 61 and is matched with the inner solenoid 631 for use, the clamping frames 64 on two sides are synchronously driven to slide oppositely, the bottoms of the opposite sides of the two clamping frames 64 are provided with clamping grooves 641, the positions of the clamping grooves 641 correspond to the positions of the material dredging through grooves 311 horizontally, the upper and lower parts of the clamping grooves 641 are provided with balls 642 in a rolling manner, the pipe body 7 is located between the two clamping grooves 641, the pipe body 7 is in contact with the outer sides of the balls 642 to clamp and position the pipe body 7, and the subsequent pipe body 7 does not influence the forward movement of the rotation between the balls 642.

The working principle is as follows: when the device is used, the whole device is fixedly arranged on the external moving mechanism through the mounting frame 1, the moving mechanism is used for driving the whole device to move, the device is moved to the position of the pipe body 7 to be processed, and the pipe body 7 is positioned between the two clamping grooves 641;

then, the fourth motor 65 is controlled and started to drive the double-head screw 63 to stably rotate in the clamping outer frame 61, and the inner screw tube 631 is used to synchronously drive the clamping frames 64 on the two sides to slide oppositely until the pipe body 7 is contacted with the outer sides of the balls 642, so that the pipe body 7 is clamped and positioned;

then, the linear electric cylinder 52 is controlled and started to drive the clamping outer frames 61 on the two sides to move horizontally, so that the pipe body 7 is driven to move horizontally, and the pipe body 7 enters the material dredging through groove 311 through the feeding hole 41;

then, the third motor 38 is controlled and started to drive the second gear 39 to rotate, so as to drive the first gear 37 to rotate, further drive the connecting frame 36 to rotate in the cavity 312, and synchronously drive the two side sleeve frames 35 to rotate, so as to drive the two side driving rings 34 to rotate between the corresponding positioning groups and the dredging groups, and the first plane thread protrusions 341 are matched to be movably clamped in the corresponding first plane thread grooves 343, and the second plane thread protrusions 342 are movably clamped in the corresponding second plane thread grooves 344, so as to synchronously drive the plurality of positioning blocks 32 to slide oppositely, and simultaneously drive the plurality of dredging blocks 33 to slide oppositely;

when the positioning blocks 32 slide oppositely, the guide blocks 33 slide oppositely to drive the first frames 321 and the positioning rollers 322 to slide oppositely, so that the positioning rollers 322 are in contact with the outer side of the pipe body 7 to perform roller type positioning on the pipe body 7, the stability of subsequent cutting processing of the pipe body 7 is improved, the guide rollers 332 move oppositely, the guide rollers 332 are not in contact with the pipe body 7, one of the positioning rollers 322 is driven to rotate by starting the first motor 323, the pipe body 7 is driven to rotate, the pipe body 7 positioned in a roller type manner is convenient to perform autorotation cutting, and the cutting processing efficiency of the pipe body 7 is improved;

after the cutting at the position is finished, when the driving rings 34 at the two sides are driven to synchronously and reversely rotate between the corresponding positioning groups and the dredging groups, the first plane thread protrusions 341 are matched and movably clamped in the corresponding first plane thread grooves 343, and the second plane thread protrusions 342 are movably clamped in the corresponding second plane thread grooves 344, so that the positioning blocks 32 can be synchronously driven to slide back to back, and the dredging blocks 33 can slide oppositely;

when the positioning blocks 32 are driven to slide back to back and the guide blocks 33 are driven to slide back to back, the second frames 331 and the guide rollers 332 are driven to slide back to back, so that the guide rollers 332 contact with the outer side of the pipe body 7 to perform roller type positioning on the pipe body 7, the positioning rollers 322 move back to back, the positioning rollers 322 do not contact with the pipe body 7, the stability of the pipe body 7 during subsequent forward transportation is improved, and one guide roller 332 is driven to rotate by starting the second motor 333, so that the pipe body 7 is driven to perform forward transportation, the position of the pipe body 7 is flexibly changed, and the cutting at different positions of the pipe body 7 is facilitated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pipe vise, comprising a mounting frame (1), characterized in that: one side fixed mounting of mounting bracket (1) has device frame (2), it dredges mechanism (3) to be equipped with the clamp in device frame (2), the equal fixed mounting in both sides of device frame (2) has protective cover (4), one of them protective cover (4) are kept away from one side upper end fixed mounting that the clamp dredged mechanism (3) and are directly driven subassembly (5), the bottom fixed mounting who directly drives subassembly (5) has clamping mechanism (6), the activity card is equipped with tubular product body (7) in clamping mechanism (6).

2. A pipe clamping apparatus according to claim 1, wherein: the clamp dredging mechanism (3) comprises a clamp dredging outer cylinder (31), the clamp dredging outer cylinder (31) is fixedly installed in an outer device frame (2), the clamp dredging outer cylinder (31) is of a cylindrical structure, a dredging through groove (311) is formed in the middle of the clamp dredging outer cylinder (31), a cavity (312) is formed in the clamp dredging outer cylinder (31), two positioning groups and two dredging groups are symmetrically distributed at two ends of the clamp dredging outer cylinder (31), the two dredging groups are located between the two positioning groups, each positioning group comprises a plurality of positioning blocks (32) distributed in an annular array mode relative to the dredging through groove (311), the positioning blocks (32) are clamped at the inner side end of the clamp dredging outer cylinder (31) in a sliding mode, the opposite ends of the positioning blocks (32) are located in the dredging through groove (311), the opposite ends of the positioning blocks (32) extend into the cavity (312), the dredging through blocks comprise a plurality of dredging blocks (33) distributed in an annular array mode relative to the dredging through groove (311), the dredging blocks (33) are clamped in an annular array mode relative to the dredging through groove (31), the opposite ends of the dredging blocks (341) are clamped in the sliding mode, the driving ring (31), the dredging through grooves (34) are integrally formed by the first guide blocks (34), and the opposite ends of the dredging blocks (34), the driving ring (31), the dredging blocks (34) are integrally formed by clamping ring (34), second plane thread protrusions (342) are integrally formed on one side, close to the guide blocks (33), of the driving ring (34), first plane thread grooves (343) matched with the first plane thread protrusions (341) in use are formed on one side, close to the driving ring (34), of the positioning blocks (32), the first plane thread protrusions (341) are movably clamped in the corresponding first plane thread grooves (343), second plane thread grooves (344) matched with the second plane thread protrusions (342) in use are formed on one side, close to the driving ring (34), of the guide blocks (33), and the second plane thread protrusions (342) are movably clamped in the corresponding second plane thread grooves (344).

3. A pipe clamping apparatus according to claim 2, wherein: the direction of the first planar threaded projection (341) is opposite to the direction of the second planar threaded projection (342).

4. A pipe clamping apparatus according to claim 2, wherein: the opposite sides of the positioning blocks (32) are fixedly provided with first frames (321), one sides, far away from the positioning blocks (32), of the first frames (321) are rotatably provided with positioning rollers (322), the outer side of one of the first frames (321) is fixedly provided with a first motor (323), and the driving end of the first motor (323) is fixedly arranged with the axes of the corresponding positioning rollers (322).

5. A pipe clamping apparatus according to claim 4, wherein: the opposite sides of the guide blocks (33) are fixedly provided with second frames (331), one side, far away from the guide blocks (33), of each second frame (331) is rotatably provided with a guide roller (332), the outer side of one second frame (331) is fixedly provided with a second motor (333), and the driving end of each second motor (333) and the axis of the corresponding guide roller (332) are fixedly arranged.

6. A pipe clamping apparatus according to claim 5, wherein: the rotating direction of the positioning roller (322) and the rotating direction of the dredging roller (332) are vertically distributed.

7. A pipe clamping apparatus according to claim 2, wherein: the outside of drive ring (34) all is fixed the cover and is equipped with cover frame (35), cover frame (35) rotate the inboard of joint at cavity (312), two fixed mounting has connecting frame (36) between cover frame (35), connecting frame (36) rotate the inboard of joint at cavity (312).

8. A pipe clamping apparatus according to claim 7, wherein: the fixed cover in outside middle part of coupling frame (36) is equipped with first gear (37), the outside fixed mounting who presss from both sides to dredge urceolus (31) has third motor (38), the drive end fixed mounting of third motor (38) has second gear (39), the bottom of second gear (39) extends into in cavity (312), second gear (39) and first gear (37) meshing connection.

9. A pipe clamping device according to claim 2, wherein: the protective cover (4) is provided with a feed hole (41), and the position of the feed hole (41) corresponds to the position level of the material dredging penetration groove (311).

10. A pipe clamping device according to claim 2, wherein: the direct-drive assembly (5) comprises an installation cross frame (51), the installation cross frame (51) is fixedly installed at the upper end of one side, away from the dredging mechanism (3), of one protective cover (4), a linear electric cylinder (52) is fixedly installed at the bottom end of the installation cross frame (51), the clamping mechanism (6) comprises a clamping outer frame (61), the clamping outer frame (61) is fixedly installed at the driving end of the linear electric cylinder (52), symmetrically distributed sliding grooves (611) are formed in the bottom end of the clamping outer frame (61), a rotating pipe (62) is fixedly clamped between the two sliding grooves (611), a double-headed screw (63) is movably installed in the rotating pipe (62), the double-headed screw (63) is rotatably installed in the clamping outer frame (61), clamping frames (64) are arranged in the sliding clamping outer frames (611) in a sliding manner, the two clamping frames (64) are symmetrically distributed, inner screw pipes (631) matched with the double-headed screw (63) are fixedly clamped at the top of the clamping frames (64), the inner screw pipes (631) are sleeved on the outer sides of the double-headed screw (63) in a threaded manner, the two clamping frames (641) are arranged at the positions corresponding to the upper and lower positions of the two rolling grooves (642) corresponding to the upper and the lower positions of the two clamping grooves (641), the rolling grooves (641) are arranged at the upper and the horizontal clamping positions of the two clamping grooves (641), the utility model discloses a clamping frame, including tubular product body (7), clamping frame (61), clamping frame (641), pipe body (7) are located between two clamping groove (641), contact in tubular product body (7) and a plurality of ball (642) outside, clamping frame's (61) one side end fixed mounting has fourth motor (65), the drive end of fourth motor (65) and a tip fixed mounting of double-end screw (63).