CN111168139A - Pipe cutting device - Google Patents

Abstract

The invention discloses a pipe cutting device, which belongs to the technical field of pipe processing equipment and comprises a disc seat, a rotary disc, a driving unit, a clamping unit, a cutting mechanism and a feeding assembly, wherein the rotary disc is concentrically and adaptively mounted on the disc seat in a rotatable manner, the driving unit is mounted on the disc seat and used for driving the rotary disc to rotate, at least three clamping units are uniformly distributed on the circumference of the disc seat, each clamping unit is provided with an ejector rod capable of extending and ejecting towards the center of the disc seat, and the cutting mechanism and the feeding assembly are mounted on the disc seat, and the pipe cutting device is characterized in that: the cutting mechanism comprises a base, a movable seat, a ratchet wheel and ratchet assembly, a transverse shaft, a longitudinal shaft, a feeding movable block and a locking bolt. The device has compact structure, convenient and fast tool installation, stable assembly and capability of feeding and regulating speed.

Description

Pipe cutting device

Technical Field

This body processing equipment technical field especially relates to a body cutting device.

Background

Currently, there are various different types of pipe machining equipment to perform various machining processes on pipe. One such process includes cutting the tubing. Large diameter tubing can be cut by a split frame tubing processing apparatus that includes two frame halves that are coupled together around the tubing from respective sides and around the tubing. This pipe cutter includes a tool or cutting mechanism that moves around the pipe and moves toward the pipe in small increments during the cutting process in order to slowly cut into the pipe. Finally, after many small increments of adjustment towards the pipe, a complete cutting of the pipe is achieved.

The existing cutting device has the following defects: 1. the installation of the cutter is complicated and inconvenient; 2. the base in the cutting mechanism is not fixed stably and reliably enough; 3. the cutter increment of the cutting mechanism can not be adjusted, and the cutter increment can not be adjusted according to the requirement in the machining process, so that the use is inconvenient.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a pipe body cutting device for solving the problems of inconvenient installation of a cutter and the like.

The invention is realized in this way, a tube cutting device, including the base, rotary table, drive unit, dress card unit, cutting mechanism and feed assembly, the said rotary table is fitted and installed on the said base concentrically in a rotatable way, the said drive unit is installed on said base and used for driving the said rotary table to rotate, the circumference on the said base distributes at least three said dress card units evenly, the said dress card unit has knockout pins that can extend and eject to the center of the said base, the said cutting mechanism and feed assembly are installed on said base, characterized by that: the cutting mechanism comprises a base, a movable seat, a ratchet wheel and ratchet assembly, a transverse shaft, a longitudinal shaft, a feeding movable block and a locking bolt.

The clamping teeth are arranged on the inner side surface of the pressing block, and the clamping teeth matched with each other are arranged on the side part of the base and the joint part of the pressing block.

The movable seat is assembled on the base through a slide way extending towards the center direction of the disk seat and a guide rod, a spring for extruding the movable seat to move towards the center of the disk seat is assembled on the guide rod, a threaded adjusting rod for limiting the movement of the movable seat is arranged between the movable seat and the base, and a pressing wheel is installed at the end part of the movable seat close to the center of the disk seat.

The horizontal shaft and the longitudinal shaft are arranged on the movable seat through bearings, the axis of the longitudinal shaft is parallel to the movable direction of the movable seat, the axis of the horizontal shaft is vertical to the axis of the longitudinal shaft, and the horizontal shaft and the longitudinal shaft are in transmission connection through gears.

And the ratchet wheel and ratchet assembly is characterized in that a ratchet wheel is arranged on the transverse shaft, and a swing rod is arranged on the ratchet wheel.

And the feeding loose piece is connected with the longitudinal shaft through threads and is assembled on the loose seat through a slide way extending towards the center direction of the disk seat.

The feeding movable block is provided with a cutter groove, and the locking bolt is assembled on the feeding movable block and corresponds to the cutter groove for locking the cutter.

According to the invention, the inner side surface of the pressing block is provided with the latch, and the side part of the base and the joint part of the pressing block are provided with the latch matched with each other, so that the cutting mechanism is more firmly fixed, and the cutting quality is ensured; the feeding movable block is provided with a cutter groove, and a cutter can be directly locked and positioned in the cutter groove, so that the cutter is more convenient to install; the ratchet is provided with a swing rod, and the feeding amount of the cutter can be adjusted by adjusting the contact of the feeding assembly and different parts of the swing rod.

In the above technical solution, preferably, the card installing unit includes a sleeve, a threaded ejector rod, an insert block, and a cushion block, the sleeve is fixed on the tray seat through a bolt, the threaded ejector rod is assembled on the sleeve, one end of the threaded ejector rod close to the center of the tray seat fixes the insert block, and the cushion block is assembled on the insert block through a slot matched with the insert block; the cushion block is provided with a lock rod, and the insert block is provided with a lock hole matched with the lock rod. A specific structure of a card installing unit is provided.

In the above technical solution, preferably, the feeding assembly includes a sleeve block, an insert rod, and a shift lever, the sleeve block is fixed on the tray base by a bolt, the sleeve block has an insertion hole, the insert rod is inserted into the insertion hole of the sleeve block, the sleeve block has a locking bolt for locking the insert rod, and the shift lever is installed at the upper end of the insert rod. The feeding assembly can be adjusted in height, so that the contact part of the shifting rod and the swing rod is adjusted, the swing rod is adjusted to be in contact with the shifting rod once, and the feeding amount is adjusted.

In the above technical solution, preferably, the driving unit includes a driving sleeve and a gear unit, the driving sleeve is fixed on the disc seat, and the gear unit is installed inside the driving sleeve in an adaptive manner. The driving unit is a driving connection assembly between the power unit and the turntable and is used for driving the turntable by the driving unit.

In the above technical solution, preferably, the movable seat is assembled on the base through a dovetail-shaped slide way extending toward the center of the tray seat and a guide rod, and a base plate is fixed on the base at the upper end of the dovetail-shaped slide way.

In the above technical solution, preferably, the movable seat includes an upper movable plate and a lower movable plate, the upper end of the guide rod is fixed to the upper movable plate, the lower end of the guide rod is fixed to the lower movable plate, the guide rod penetrates through the substrate, the spring is disposed between the substrate and the lower movable plate, and the threaded adjusting rod is installed between the upper movable plate and the substrate.

In the above technical solution, preferably, the inner side of the slide way extending toward the center of the tray on the movable seat is an arc-shaped embracing surface with an opening at a side portion, the outer peripheral surface of the feeding movable block is a circumferential surface adapted to the arc-shaped embracing surface, a limit raised ridge is arranged in the arc-shaped embracing surface, and a channel adapted to the limit raised ridge is arranged on the outer peripheral surface of the feeding movable block.

In the above technical solution, preferably, the feeding movable block is provided with a hole slot for placing a cutter, and the locking bolt is installed at an opening of the feeding movable block corresponding to the movable seat slideway.

In the above technical solution, preferably, a side portion of the hinged end of the swing link has a stopper.

In the above technical solution, preferably, one side of the swing link close to the stopper portion is an arc-shaped surface.

Drawings

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

FIG. 2 is a schematic structural view of a card loading unit according to the present invention;

FIG. 3 is a schematic view of the feed assembly of the present invention;

FIG. 4 is a schematic view of the construction of the cutting mechanism of the present invention;

FIG. 5 is a schematic view of the construction of the cutting mechanism of the present invention;

FIG. 6 is a rear view of the cutting mechanism of the present invention;

FIG. 7 is a bottom view of the cutting mechanism of the present invention;

fig. 8 is an internal view of the cutting mechanism of the present invention.

In the figure, 10, a disc seat; 20. a turntable; 30. a drive unit; 40. a card installing unit; 401. a housing; 402. a threaded ejector rod; 403. inserting a block; 404. cushion blocks; 50. a cutting mechanism; 501. a base; 502. a movable seat; 503. a ratchet assembly; 504. a horizontal axis; 505. a longitudinal axis; 506. feeding loose pieces; 507. locking the bolt; 508. a swing rod; 509. a pinch roller; 510. a spring; 511. a guide bar; 512. a threaded adjusting rod; 60. a feeding assembly; 601. sleeving blocks; 602. inserting a rod; 603. a deflector rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to solve the defects of inconvenient installation of the cutter and inconvenient adjustment of the feeding amount of the cutter, the invention particularly provides a pipe body cutting device which has compact structure, convenient installation of the cutter, stable assembly and capability of feeding and regulating speed. To further illustrate the structure of the present invention, the following detailed description is made with reference to the accompanying drawings:

referring to fig. 1 of the drawings, a drawing,

a pipe cutting device comprises a disc seat 10, a rotary disc 20, a driving unit 30, a clamping unit 40, a cutting mechanism 50 and a feeding assembly 60. The tray 10 is a carrier of the present apparatus. In this embodiment, the disk seat 10 is a two-half circular frame body, and two side portions of the two frame bodies are connected by a hinge.

The turntable 20 is concentrically fitted on the turntable base 10 in a rotatable manner. In this embodiment, the tray 10 has a T-shaped circumferential slideway thereon, and the tray 10 is mounted on the tray 10 by rollers adapted to the T-shaped circumferential slideway. The rotary table 20 is provided with an annular rack, and the rotary table 20 and the table base 10 are arranged concentrically.

The driving unit 30 is mounted on the disk seat 10 for driving the turntable 20 to rotate. The driving unit 30 is a mechanical component assembly unit that transmits power of a power unit (typically, a motor) to the turntable 20 to rotate the turntable 20. In this embodiment, the driving unit 30 includes a driving sleeve and a gear assembly, the driving sleeve is fixed on the disk seat 10, the gear assembly is mounted inside the driving sleeve in an adaptive manner, an inner side gear of the gear assembly is engaged with a rack on the turntable 20, and an outer side gear of the gear unit is engaged with a gear on an output shaft of the power unit, so that the power of the power unit is transmitted to the turntable 20 and the turntable 20 is rotated.

Referring to fig. 2, the mounting and clamping unit 40 is a structural unit for fixedly mounting the device on the outer side of the pipe body. At least three card installing units 40 are uniformly distributed on the circumference of the disk seat 10. The chucking unit 40 has a lift pin that can be extended and ejected toward the center of the tray 10. In this embodiment, the card installing unit 40 includes a sleeve 401, a threaded rod 402, an insert 403, and a spacer block 404, the sleeve 401 is fixed on the tray 10 by bolts, and the threaded rod 402 is fitted on the sleeve 401. The screw jack 402 can be extended and contracted in the direction extending toward the center of the disk base 10 by its own rotation. One end of the threaded mandril 402 close to the center of the disk seat 10 is fixed with the insert block 403, and the cushion block 404 is assembled on the insert block 403 through a slot matched with the insert block 403. The cushion block 404 is provided with a lock rod, and the inserting block 403 is provided with a lock hole matched with the lock rod. After the disk seat 10 moves to the cutting position outside the pipe body, the threaded mandril 402 is rotated, and the cushion blocks 404 of the plurality of clamping units 40 tightly push against the outer side wall of the pipe body so as to fix the relative position of the device between the pipe bodies.

The cutting mechanism 50 and feed assembly 60 are mounted on the deck 10. The cutting mechanism 50 is an actuator for the cutting operation in the present apparatus. The feed assembly 60 is a mechanism that cooperates with the cutting mechanism 50 to trigger the cutting mechanism 50 to perform feed cutting.

Referring to fig. 3, in the present embodiment, the feeding assembly 60 includes a sleeve 601, an insertion rod 602, and a driving lever 603. The sleeve block 601 is fixed on the disk seat 10 through bolts. The sleeve block 601 is provided with a jack, the inserted link 602 is inserted into the jack of the sleeve block 601, the sleeve block 601 is provided with a locking bolt 507 for locking the inserted link 602, and the shift lever 603 is mounted at the upper end of the inserted link 602.

Referring to fig. 4-8, the cutting mechanism 50 includes a base 501, a movable seat 502, a ratchet assembly 503, a transverse shaft 504, a longitudinal shaft 505, a feed movable block 506, and a locking bolt 507. Wherein, ratchet subassembly includes the ratchet and is located ratchet one side and with the ratchet of ratchet adaptation, the ratchet is including articulated swing portion and dop portion, and articulated swing portion installs on movable seat 502 through the round pin axle, and dop portion assembles inside swing portion and is provided with the pressure spring that makes dop portion joint ratchet. The above structures are well known in the mechanical arts. The swing rod and the ratchet matching part are the swing parts of the parts, and the swing parts are the swing rods.

Two side parts of the base 501 are fixedly arranged on the disc seat 10 through pressing blocks, the pressing blocks are fixed on the disc seat 10 through bolts, the inner side surfaces of the pressing blocks are provided with clamping teeth, and the joint parts of the side parts of the base 501 and the pressing blocks are provided with clamping teeth matched with each other. The latch engagement provides a more secure attachment of the cutting mechanism 50 and ensures cutting quality. The movable seat 502 is assembled on the base 501 through a slide way extending towards the center of the disk seat 10 and a guide rod 511, the guide rod 511 is assembled with a spring 510 for pressing the movable seat 502 to move towards the center of the disk seat 10, a threaded adjusting rod 512 for limiting the movement of the movable seat 502 is arranged between the movable seat 502 and the base 501, and a pressing wheel 509 is arranged at the end part of the movable seat 502 close to the center of the disk seat 10.

The base 10 is fixed on the pipe body by the chucking unit 40, and the threaded adjusting rod 512 is loosened, so that the end pressing wheel 509 of the movable base 502 is pressed against the outer surface of the pipe body under the action of the spring 510. In the operation process of the device, the pressing wheel 509 always rolls and is attached to the outer surface of the pipe body, the movable seat 502 floats according to the circumference of the outer surface of the pipe body under the condition that the distance between the movable seat and the pipe body is unchanged, and the cutter feeding amount is completely determined by the swinging of the swinging rod.

In this embodiment, the movable seat 502 is fitted on the base 501 through a dovetail-shaped slide extending toward the center of the tray 10 and a guide rod 511. A base plate is fixed on the base 501 at the upper end of the dovetail slide. The movable seat 502 comprises an upper movable plate and a lower movable plate, the upper end of the guide rod 511 is fixed on the upper movable plate, the lower end of the guide rod 511 is fixed on the lower movable plate, the guide rod 511 penetrates through the base plate, the spring 510 is arranged between the base plate and the lower movable plate, and the threaded adjusting rod 512 is arranged between the upper movable plate and the base plate.

The horizontal shaft 504 and the vertical shaft 505 are arranged on the movable seat 502 through bearings, the axis of the vertical shaft 505 is parallel to the movable direction of the movable seat 502, the axis of the horizontal shaft 504 is perpendicular to the axis of the vertical shaft 505, and the horizontal shaft 504 and the vertical shaft 505 are connected through gear transmission.

The ratchet wheel of the ratchet wheel and ratchet assembly 503 is installed on the horizontal shaft 504, and a swing rod 508 is arranged on the ratchet wheel. The oscillating bar 508 swinging a certain angle drives the ratchet wheel to rotate a certain angle, and drives the longitudinal shaft 505 to rotate through transmission.

A feed loose piece 506, which is connected with the longitudinal shaft 505 through screw threads and is assembled on the loose seat 502 through a slide way extending towards the center of the disk seat 10. The rotating longitudinal shaft 505 can drive the feeding loose piece 506 to move along the slideway so as to realize the feeding of the cut.

A knife slot is arranged on the feeding movable block 506, and a locking bolt 507 is assembled on the feeding movable block 506 and corresponds to the knife slot for locking the cutter.

The inner side of the slide way extending towards the center of the disk seat 10 on the movable seat 502 is an arc-shaped embracing surface with an opening at the side part, the outer peripheral surface of the feeding movable block 506 is a circumferential surface matched with the arc-shaped embracing surface, a limit raised ridge is arranged in the arc-shaped embracing surface, and a channel matched with the limit raised ridge is arranged on the outer peripheral surface of the feeding movable block 506. The feeding loose piece 506 is provided with a hole slot for placing a cutter, and the locking bolt 507 is arranged on the feeding loose piece 506 corresponding to the opening of the slipway of the movable seat 502. In this embodiment, a locking block is installed at the opening of the slide way of the movable seat 502 through a T-shaped slot, and the locking bolt 507 is assembled on the locking block, so as to further facilitate the installation of the cutter.

The feeding unit 60 is height-adjustable to adjust a contact portion between the driving lever 603 and the swing lever 508, and the swing lever 508 is rotated in one contact with the driving lever 603 to adjust a feeding amount.

In this embodiment, a stop portion is disposed on a side portion of the hinged end of the swing link 508. One side of the swing link 508 close to the stopping portion is an arc-shaped surface. In the rotating process of the turntable 20, the deflector rod 603 rotates a circle of the turntable 20 to deflect the swing rod 508 once, the swing rod 508 is sleeved with the return spring 510, and once deflected swing rod 508 swings once to realize once feeding of the cutter. The height of the shifting lever 603 is adjusted, the position of the mark post for shifting the oscillating rod 508 is different, when the basic parts of the shifting lever 603 and the oscillating rod 508 are close to the hinge point of the oscillating rod 508, the larger the primary swing angle of the oscillating rod 508 is, the larger the primary feeding amount of the cutter is, and the smaller the primary feeding amount is, and therefore the feeding amount of the cutter is adjusted by adjusting the height of the shifting lever 603.

Compared with the prior art, the device has the advantages of convenience and convenience in tool installation, stability in installation, convenience in adjustment of tool feeding speed and compact structure.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A pipe cutting device comprises a disc seat (10), a rotary disc (20), a driving unit (30), a clamping unit (40), a cutting mechanism (50) and a feeding assembly (60), wherein the rotary disc (20) is concentrically and adaptively mounted on the disc seat (10) in a rotatable mode, the driving unit (30) is mounted on the disc seat (10) and used for driving the rotary disc (20) to rotate, at least three clamping units (40) are uniformly distributed on the circumference of the disc seat (10), the clamping unit (40) is provided with an ejector rod capable of extending and ejecting towards the center of the disc seat (10), the cutting mechanism (50) and the feeding assembly (60) are mounted on the disc seat (10), and the pipe cutting device is characterized in that: the cutting mechanism (50) comprises a base (501), a movable seat (502), a ratchet wheel and ratchet assembly (503), a transverse shaft (504), a longitudinal shaft (505), a feeding movable block (506) and a locking bolt (507);

the two side parts of the base (501) are fixedly arranged on the disc seat (10) through pressing blocks, the pressing blocks are fixed on the disc seat (10) through bolts, the inner side surfaces of the pressing blocks are provided with clamping teeth, and the side parts of the base (501) and the joint parts of the pressing blocks are provided with mutually matched clamping teeth;

the movable seat (502) is assembled on the base (501) through a slide way extending towards the center direction of the disc seat (10) and a guide rod, a spring (510) for extruding the movable seat (502) to move towards the center of the disc seat (10) is assembled on the guide rod, a thread adjusting rod (512) for limiting the movable seat (502) to move is arranged between the movable seat (502) and the base (501), and a pressing wheel (509) is installed at the end part, close to the center of the disc seat (10), of the movable seat (502);

a transverse shaft (504) and a longitudinal shaft (505) are mounted on the movable seat (502) through bearings, the axis of the longitudinal shaft (505) is parallel to the movable direction of the movable seat (502), the axis of the transverse shaft (504) is vertical to the axis of the longitudinal shaft (505), and the transverse shaft (504) and the longitudinal shaft (505) are in transmission coupling through gears;

a ratchet wheel and ratchet assembly (503), wherein a ratchet wheel is arranged on the transverse shaft (504), and a swing rod (508) is arranged on the ratchet wheel;

a feeding loose piece (506) which is connected with the longitudinal shaft (505) through threads and is assembled on the loose seat (502) through a slide way extending towards the center direction of the disk seat (10);

the feeding movable block (506) is provided with a cutter groove, and a locking bolt (507) is assembled on the feeding movable block (506) and corresponds to the cutter groove for locking the cutter.

2. A pipe cutting apparatus as claimed in claim 1, wherein: the clamping unit (40) comprises a sleeve (401), a threaded ejector rod (402), an insert block (403) and a cushion block (404), the sleeve (401) is fixed on the disc seat (10) through bolts, the threaded ejector rod (402) is assembled on the sleeve (401), the insert block (403) is fixed at one end, close to the center of the disc seat (10), of the threaded ejector rod (402), and the cushion block (404) is assembled on the insert block (403) through a slot matched with the insert block (403);

the cushion block (404) is provided with a lock rod, and the inserting block (403) is provided with a lock hole matched with the lock rod.

3. A pipe cutting apparatus as claimed in claim 1, wherein: the feeding assembly (60) comprises a sleeve block (601), an insert rod (602) and a shifting rod (603), the sleeve block (601) is fixed on the disc seat (10) through bolts, a jack is arranged on the sleeve block (601), the insert rod (602) is inserted in the jack of the sleeve block (601) and a locking bolt (507) used for locking the insert rod (602) is arranged on the sleeve block (601), and the shifting rod (603) is installed at the upper end of the insert rod (602).

4. A pipe cutting apparatus as claimed in claim 1, wherein: the driving unit (30) comprises a driving sleeve body and a gear unit, the driving sleeve body is fixed on the disc seat (10), and the gear unit is installed inside the driving sleeve body in a matching mode.

5. A pipe cutting apparatus as claimed in claim 1, wherein: the movable seat (502) is assembled on the base (501) through a dovetail-shaped slide way and a guide rod which extend towards the center direction of the disc seat (10), and a base plate is fixed at the upper end of the dovetail-shaped slide way on the base (501).

6. A pipe body cutting apparatus as claimed in claim 5, wherein: the movable seat (502) comprises an upper movable plate and a lower movable plate, the upper end of a guide rod is fixed on the upper movable plate, the lower end of the guide rod is fixed on the lower movable plate, the guide rod penetrates through the base plate, a spring (510) is arranged between the base plate and the lower movable plate, and a threaded adjusting rod (512) is arranged between the upper movable plate and the base plate.

7. A pipe body cutting apparatus as claimed in claim 6, wherein: the inboard of the slide that extends to disk seat (10) central direction on loose seat (502) is the arc of lateral part open-ended and encircles the face, the outer peripheral face that feeds loose piece (506) be with the periphery that the face adaptation is embraced to the arc, the arc encircles and has spacing convex ridge in the face, the outer peripheral face that feeds loose piece (506) be equipped with the channel of spacing convex ridge adaptation.

8. A pipe cutting apparatus as claimed in claim 7, wherein: the feeding loose piece (506) is provided with a hole slot for placing a cutter, and the locking bolt (507) is arranged on the feeding loose piece (506) corresponding to the opening of the slipway of the loose seat (502).

9. A pipe cutting apparatus as claimed in claim 1, wherein: the side part of the hinged end of the swing rod (508) is provided with a stop part.

10. A pipe cutting apparatus as claimed in claim 9, wherein: one side of the swing rod (508) close to the stopping part is an arc-shaped surface.

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