CN111230975A

CN111230975A - Pipe flattening and slitting method

Info

Publication number: CN111230975A
Application number: CN202010150129.6A
Authority: CN
Inventors: 张士全
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-06-05

Abstract

The invention relates to the technical field of pipe production and processing machinery, and particularly discloses a pipe flattening and slitting method, which comprises the following steps: the tubular product is placed, the tubular product cover is established, rotatory butt joint, the location is tight, rotatory cutting and unloading, wherein in rotatory step of cutting, still carry out the dust in step, it establishes on the support section of thick bamboo group through utilizing rotary mechanism propelling movement tubular product cover, utilize the support section of thick bamboo group to support the tubular product, and press from both sides tight location through clamping mechanism to tubular product axial both ends, later drive the support section of thick bamboo group through rotary mechanism and rotate, and make the cutting blade in the support section of thick bamboo group also rotate along with the support section of thick bamboo group is synchronous, carry out isometric cutting to the tubular product, and, at the in-process of cutting, cutting blade is from inside to outside extension.

Description

Pipe flattening and slitting method

Technical Field

The invention relates to the technical field of insulating tube production and processing methods, in particular to a method for flattening and slitting a tube.

Background

Round pipe, especially plastics tubular product, in the processing use, need cut the rectangular tubular product of outsourcing, make rectangular tubular product isometric branch cut into a plurality of sections shorter tubular product to better use in the course of working.

However, in the process of slitting the pipes, because the strength of some types of plastic pipes is very low, and the plastic pipes are particularly easy to crack and break, the pipes need to be cut carefully in the cutting process, the stress uniformity of the pipes is ensured as much as possible, the breakage of the pipes is avoided, and for some metal pipes with relatively soft texture, the cutting part of the metal pipe can be stressed and sunken to cause irregular cuts, so that in the cutting process, the inner diameter of the metal pipe needs to be supported, and the strength of the metal pipe is enhanced.

Patent document CN201910112344.4 discloses an automatic cutting, shaping and trimming production line and a production process for refractory material pipes, the production line can rapidly and alternately output the tubes in the slitting process by matching the alternately moving bearing pieces with the alternately working mechanical grabbing components, meanwhile, the cutter for cutting the pipe can move synchronously with the pipe, so that the pipe does not stop conveying in the cutting process, the cutting efficiency of the pipe is improved, meanwhile, trimming of the material section is synchronously finished in the process of outputting the cut material section, the length consistency and the trimming regularity of the material section are ensured, the production process ensures that the pipe is continuously input without stopping by utilizing the material section formed after the quick output and cutting of the transfer step, and in the input process, and cutting the pipe, adding a trimming step, trimming the trimmed edges of the material section, and ensuring the smoothness of the trimmed edges of the material section and the consistency of the length.

However, the above-mentioned technical problems of the tube material during the cutting process are solved, and therefore, there is a need for an apparatus which can be adapted to the above-mentioned tube material cutting process.

Disclosure of Invention

Aiming at the problems, the invention provides a pipe flattening and cutting method, which comprises the steps of pushing a pipe sleeve to a support cylinder group by using a rotating mechanism, supporting the pipe by using the support cylinder group, clamping and positioning two axial ends of the pipe by using a clamping mechanism, driving the support cylinder group to rotate by using the rotating mechanism, enabling cutting blades in the support cylinder group to synchronously rotate along with the support cylinder group, and carrying out equal-length cutting on the pipe.

In order to achieve the purpose, the invention provides the following technical scheme:

a method for flattening and slitting a pipe comprises the following steps:

placing a pipe, namely placing the pipe to be cut on a material bearing seat of a cutting processing table, and positioning the pipe by a material bearing groove on the material bearing seat;

secondly, sleeving a pipe, starting a pushing mechanism arranged on the slitting processing table, pushing a rotating mechanism along the length direction of a material bearing seat, and pushing a material pushing plate on the rotating mechanism to push the pipe placed on the material bearing seat in a butting manner so that the pipe is sleeved on a cylindrical support cylinder group in the slitting mechanism;

step three, rotating and butting, wherein synchronous with the step two, when the material pushing plate finishes the sleeving work of the pipes, a rotating connector on the rotating mechanism is inserted and matched with the support cylinder group to finish connection;

positioning and clamping, wherein when the material pushing plate completes the sleeving work of the pipes, clamping hoops arranged on the material pushing plate and a sliding seat of the clamping mechanism are respectively matched with guide adjusting plates arranged at two axial end parts of the support cylinder group in an abutting mode, and clamping and positioning are completed on two side end parts of the pipes sleeved on the support cylinder group;

step five, rotating and slitting, wherein a rotating motor in the rotating mechanism is started, a rotating connector is driven to rotate through the matching of a rotating driven gear and a rotating driving gear, cutting blades synchronously arranged on the supporting cylinder group rotate, a rotating main shaft extends along the axial direction of the pipe through the matching of a rotating nut fixedly arranged, a push rod is pushed, a slope ring is driven by the push rod to slide along a fixed shaft and touch with a contact inclined block at the root of the cutting blade, so that the cutting blade extends along the radial direction of the pipe, and the pipe is slit and processed along the radial direction; and

and seventhly, discharging, wherein after the cutting of the pipe is finished, the pushing mechanism pushes the rotating mechanism to reset and synchronize, the clamping hoop releases clamping and positioning, the support ring arranged on the sliding seat moves to the suspended end part of the support cylinder group to support the support cylinder group, and the cut pipe sleeved on the support cylinder group is pushed out and discharged.

As an improvement, in the first step, a plurality of groups of arc-shaped inserts are arranged in the material receiving groove at equal intervals, and a plurality of freely rolling balls are uniformly distributed on the end surface of the material receiving groove of each arc-shaped insert.

As an improvement, in the second step, the rotating mechanism further includes:

the mounting plates are arranged in two groups in parallel and are vertically arranged;

the material pushing plate is arranged in parallel to the mounting plate and used for pushing the pipe on the material bearing seat to be sleeved on the support cylinder group;

the rotary nut is fixedly arranged on any one of the mounting plates;

the rotating main shaft penetrates through the rotating nut, and a rotating connector is arranged at one end of the rotating main shaft, which is opposite to the material bearing seat;

the rotating motor is arranged on the mounting plates, and a motor shaft of the rotating motor is rotationally arranged between the mounting plates;

the rotary driven gear is sleeved on the rotary main shaft and synchronously rotates along with the rotary main shaft; and

a rotation driving gear mounted on the motor shaft, which is engaged with the rotation driven gear.

As an improvement, in step three, the rotary connector includes:

a sleeve portion provided at a center of the rotary connector; and

the joint part is coaxially arranged outside the sleeve part and is in a toothed arrangement.

As an improvement, in the second step and the fifth step, the slitting mechanism further includes:

the mounting base plate is provided with two groups of vertical plates which are vertically arranged in parallel, and the support cylinder group is rotatably arranged on the vertical plate which is opposite to the pipe;

the fixed shaft is fixedly arranged on the mounting seat plate, coaxially penetrates through the inside of the support cylinder group, and is correspondingly inserted and combined with the rotary connector;

the push rods are sleeved on the fixed shaft in a sliding mode, are in one-to-one correspondence with the cutting blades of each group, are positioned on one side, opposite to the pipe, of the corresponding cutting blade, and are arranged in a corresponding extruding mode with the rotary connector;

the slope rings are sleeved on the fixed shaft in a sliding mode, are in one-to-one correspondence with the cutting blades in each group, are pushed by the corresponding push rods to slide and are abutted and extruded with the roots of the corresponding cutting blades, and enable the cutting blades to extend from inside to outside along the radial direction of the supporting cylinder group; and

and the return spring is sleeved on the fixed shaft and drives the push rod extruded by the rotary connector to reset.

As an improvement, in the first step, the support cylinder set comprises:

the connecting cylindrical section is rotatably arranged on the mounting base plate;

the cutting cylinder sections are connected end to end along the axial direction, the cutting cylinder sections close to the connecting cylinder sections are coaxially connected with the connecting cylinder sections, and the cutting blades of each group are arranged on the corresponding cutting cylinder sections; and

the butt joint shell ring, butt joint shell ring coaxial coupling set up in the tip that the cutting shell ring hung and establish, its one end just to the swivelling joint head is provided with the tooth's socket that sets up with this swivelling joint head interlude cooperation.

As an improvement, in the fifth step, the cutting blade includes:

the top of the cutter body is arranged in a zigzag manner, the middle of the cutter body is provided with a waist groove, and an elastic component for retracting the cutter body into the support cylinder group is arranged in the waist groove; and

conflict sloping block, conflict sloping block set up in the root of cutter body, it sets up for the wedge, and it with the slope ring corresponds and adds the press fit.

As an improvement, in the fifth step, a dust collecting mechanism for collecting dust is further disposed in the support cylinder group, and the dust collecting mechanism includes:

the guide vanes are equidistantly arranged in the support cylinder group, synchronously rotate along with the support cylinder group, force the airflow in the support cylinder group to flow to the installation base plate along the axial direction of the support cylinder group, and are provided with guide holes communicated with the inside and the outside; and

the dust collecting cloth bag is arranged between the vertical plates and is communicated with the supporting cylinder group through an annular connecting pipe sleeved on the supporting cylinder group.

As an improvement, in the first step, the pushing mechanism includes:

the pushing cylinder is arranged along the length direction of the material bearing seat, and is a shaftless cylinder, and a cylinder sliding block on the pushing cylinder is arranged in a sliding manner;

the connecting plate is connected with the cylinder sliding block and the rotating mechanism; and

and the sliding block pair is arranged along the length direction of the material bearing seat and is arranged below the rotating mechanism.

As an improvement, in the fourth step, the clamping mechanism further includes:

the sliding seat is in transmission connection with the pushing mechanism and slides along the length direction of the material bearing seat through a sliding rail arranged below the sliding seat;

the clamping hoop is respectively arranged on the sliding seat and the rotating mechanism, is arranged in a sliding manner along the vertical direction, is sleeved with an elastic adjusting piece at the upper part, and is provided with a roller at the top;

the guide adjusting plates are respectively arranged at two axial end parts of the support cylinder group and are in extrusion fit with the rollers, so that the clamping hoop descends, and the clamping hoop is sleeved on a pipe on the support cylinder group; and

the support ring is arranged on the sliding seat, slides along with the sliding seat, is sleeved on the support cylinder group and supports one suspended end of the support cylinder group.

The invention has the beneficial effects that:

(1) according to the pipe cutting machine, a rotating mechanism is utilized to push a pipe to be sleeved on a supporting cylinder group, the supporting cylinder group is utilized to support the pipe, the clamping mechanism is utilized to clamp and position two axial ends of the pipe, then the rotating mechanism drives the supporting cylinder group to rotate, cutting blades in the supporting cylinder group synchronously rotate along with the supporting cylinder group, equal-length cutting is conducted on the pipe, and in the cutting process, the cutting blades extend from inside to outside;

(2) according to the invention, the ball bearings are arranged in the material bearing groove of the material bearing seat, and the rolling of the ball bearings is utilized, so that the pipe arranged in the material bearing groove can move along the length direction of the material bearing groove by virtue of the ball bearings, and the outer wall of the pipe is prevented from being scratched in the transfer process;

(3) the pipe cutting machine can increase and decrease the cutting cylinder sections according to the length of the pipe, is suitable for cutting pipes with different lengths, equally cuts the pipe into a plurality of sections, and in the cutting process, because the cutting blades cut from inside to outside, dust generated by cutting is reserved in the pipe, so that the problem that the dust pollutes the environment is avoided;

(4) the sleeve part on the rotating mechanism and the push rod in the cutting mechanism are used for extruding, the push rod is used for pushing the slope ring to be abutted and extruded with the cutting blade, the cutting blade continuously extends outwards from the interior of the pipe to be cut while rotating, the cutting blade can be elastically adjusted by the aid of the reset spring, the pipe is prevented from being stressed too much and cracked or deformed due to rigid contact with the cutting blade, and the cutting blade is extruded to be automatically reset and contracted by the aid of the reset spring;

(5) according to the dust collecting device, the flow guide fan blades are arranged in the support cylinder group, and the flow guide fan blades rotate to generate air flow by utilizing the rotation of the support cylinder group, so that dust entering the support cylinder group through the flow guide holes can enter the dust collecting cloth bag to be collected, and the dust scattering condition is avoided when the pipe is taken down from the support cylinder group;

(6) according to the automatic pipe clamping device, the automatic clamping and positioning of the clamping mechanism on the two axial ends of the pipe are controlled through the pushing of the pushing mechanism, no additional power mechanism is needed, and the pipe pushing, positioning and cutting are smoothly and tightly connected with one another;

(7) the supporting ring is arranged to support one suspended end of the supporting cylinder group, so that the stability of the supporting cylinder group is ensured, and when the pipe falls off from the supporting cylinder group, the pipe is pushed by the supporting ring, so that the automatic unloading of the pipe is realized.

In conclusion, the invention has the advantages of good trimming effect, no sinking and the like, and is particularly suitable for the technical field of processing and production of the insulating tube.

Drawings

FIG. 1 is a schematic flow chart of a method according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a second embodiment of the present invention;

FIG. 3 is a schematic perspective view of the second embodiment of the present invention;

FIG. 4 is a schematic perspective view of the material supporting base according to the present invention;

FIG. 5 is a first perspective view of a rotary mechanism according to the present invention;

FIG. 6 is a schematic perspective view of a second embodiment of a rotary mechanism according to the present invention;

FIG. 7 is a schematic perspective view of a rotary connector according to the present invention;

FIG. 8 is a first schematic sectional view of a slitting mechanism according to the present invention;

FIG. 9 is an enlarged view of the structure at A in FIG. 8;

FIG. 10 is a perspective view of a cutting blade according to the present invention;

FIG. 11 is a schematic perspective view of a docking cradle according to the present invention;

FIG. 12 is a perspective view of the push rod of the present invention;

FIG. 13 is a schematic sectional view of a slitting mechanism according to the present invention;

fig. 14 is a perspective view of the clamping mechanism of the present invention.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1:

as shown in fig. 1, a method for flattening and slitting a pipe comprises the following steps:

placing a pipe, namely placing the pipe 10 to be cut on a material bearing seat 11 of a cutting processing table 1, and positioning the pipe by a material bearing groove 111 on the material bearing seat 11;

step two, sleeving the pipe, starting a pushing mechanism 4 arranged on the slitting processing table 1, pushing a rotating mechanism 2 along the length direction of a material bearing seat 11, and pushing a material pushing plate 22 on the rotating mechanism 2 to push the pipe 10 placed on the material bearing seat 11 in a butting manner, so that the pipe 10 is sleeved on a cylindrical support cylinder group 31 in the slitting mechanism 3;

step three, rotating and butting, namely synchronously with the step two, completing the sleeving work of the pipe 10 by the material pushing plate 22, and inserting and matching the rotating connector 20 on the rotating mechanism 2 with the support cylinder group 31 to complete connection;

step four, positioning and clamping, wherein when the material pushing plate 22 completes the sleeving work of the pipe 10 in step two, the clamping hoops 53 installed on the material pushing plate 22 and the sliding seat 51 of the clamping mechanism 5 are respectively matched with the guide adjusting plates 56 arranged at the two axial end parts of the support cylinder group 31 in an abutting mode, and clamping and positioning are completed on the two side end parts of the pipe 10 sleeved on the support cylinder group 31;

step five, rotating and slitting, wherein a rotating motor 25 in the rotating mechanism 2 is started, a rotating connector 20 is driven to rotate through the matching of a rotating driven gear 27 and a rotating driving gear 28, a cutting blade 32 synchronously installed on the support cylinder group 31 rotates, a rotating main shaft 24 extends along the axial direction of the pipe 10 through the matching of a rotating nut 23 fixedly arranged, a push rod 35 is pushed, a slope ring 36 is driven by the push rod 35 to slide along a fixed shaft 34 to touch with an abutting oblique block 324 at the root of the cutting blade 32, so that the cutting blade 32 extends along the radial direction of the pipe 10, and the pipe 10 is slit and processed along the radial direction; and

and seventhly, discharging, wherein after the cutting of the pipe 10 is completed, the pushing mechanism 4 pushes the rotating mechanism 2 to reset, synchronously, the clamping hoop 53 releases the clamping positioning, the support ring 57 arranged on the sliding seat 51 moves to the suspended end part of the support cylinder group 31 to support the support cylinder group 31, and the cut pipe 10 sleeved on the support cylinder group 31 is pushed out for discharging.

In the first step, a plurality of groups of arc-shaped inserts 112 are arranged in the material receiving groove 111 at equal intervals, a plurality of freely rolling balls 113 are uniformly distributed on the end surface of the arc-shaped inserts 112 located in the material receiving groove 111, and the sliding friction of the pipe 10 is converted into rolling friction through the balls 113, so that the surface of the pipe 10 is prevented from being scratched.

In the second step, the rotation mechanism 2 further includes:

the mounting plates 21 are arranged in two groups in parallel, and the mounting plates 21 are arranged vertically;

the material pushing plate 22 is arranged in parallel to the mounting plate 21, and is used for pushing the pipe 10 on the material bearing seat 11 to be sleeved on the support cylinder group 31;

the rotating nut 23 is rotatably arranged on any one of the mounting plates 21;

the rotating main shaft 24 is arranged on the rotating nut 23 in a penetrating manner, and one end, which is opposite to the material bearing seat 11, of the rotating main shaft 24 is provided with a rotating connector 20;

a rotating electric machine 25, wherein the rotating electric machine 25 is mounted on the mounting plates 21, and a motor shaft 251 thereof is rotatably arranged between the mounting plates 21;

a rotary driven gear 27, wherein the rotary driven gear 27 is sleeved on the rotary main shaft 24 and synchronously rotates along with the rotary main shaft 24; and

a rotation driving gear 28, the rotation driving gear 28 being mounted on the motor shaft 251, which is engaged with the rotation driven gear 27.

Further, in step three, the rotary connector 20 includes:

the sleeve part 201 is arranged at the center of the rotary connecting head 20, and is used for sleeving a fixed shaft 34 in the slitting mechanism 3 and pushing the push rod 35; and

the joint part 202 is coaxially arranged outside the sleeve part 201, is in a toothed arrangement, and is used for being inserted and connected with the butt joint cylindrical joint 313 in the support cylinder group 31, so that the rotary joint 2 drives the butt joint cylindrical joint 313 to synchronously rotate.

It should be noted that, in the second step and the fifth step, the splitting mechanism 3 further includes:

the mounting base plate 33 is provided with two groups of vertical plates 331 which are vertically arranged in parallel, and the support cylinder group 31 is rotatably arranged on the vertical plate 331 which is opposite to the pipe 10;

the fixed shaft 34 is fixedly installed on the installation seat plate 33, coaxially penetrates through the inside of the support cylinder group 31, and correspondingly inserted and combined with the rotary connector 20;

the push rods 35 are slidably sleeved on the fixed shaft 34, are arranged in one-to-one correspondence with the cutting blades 32 of each group, are positioned at one side of the corresponding cutting blade 32, which is opposite to the pipe 10, and are correspondingly extruded with the rotary connector 20;

the slope rings 36 are slidably sleeved on the fixed shaft 34, are arranged in a one-to-one correspondence with the cutting blades 32 of each group, and are pushed by the corresponding push rods 35 to slide and abut against and extrude the root parts of the corresponding cutting blades 32, so that the cutting blades 32 extend from inside to outside along the radial direction of the support cylinder group 31; and

and the return spring 37 is sleeved on the fixed shaft 34, and drives the push rod 35 extruded by the rotary connector 20 to be reset.

Further, in the first step, the support cylinder group 31 includes:

a connecting cylindrical section 311, wherein the connecting cylindrical section 311 is rotatably mounted on the mounting seat plate 33;

the cutting cylindrical sections 312 are connected end to end along the axial direction, the cutting cylindrical sections 312 close to the connecting cylindrical section 311 are coaxially connected with the connecting cylindrical section 311, and the cutting blades 32 of each group are all arranged on the corresponding cutting cylindrical sections 312; and

and the butt joint cylindrical shell section 313 is coaxially connected and arranged at the suspended end part of the cutting cylindrical shell section 312, and one end of the butt joint cylindrical shell section 313, which is opposite to the rotary connector 20, is provided with a tooth groove 3231 which is arranged in a penetrating and matching manner with the rotary connector 20.

Further, in the fifth step, the cutting blade 32 includes:

a cutter body 321, the top of the cutter body 321 is arranged in a zigzag manner, the middle of the cutter body is provided with a waist groove 322, and an elastic component 323 for retracting the cutter body 321 into the support cylinder group 31 is arranged in the waist groove 322; and

the contact oblique block 324 is disposed at the root of the cutter body 321, and the contact oblique block 324 is a wedge-shaped block and is in corresponding press fit with the slope ring 36.

In the fifth step, a dust collecting mechanism 38 for collecting dust is further provided in the support cylinder group 31, and the dust collecting mechanism 38 includes:

the guide vanes 381 are equidistantly installed inside the support cylinder group 31, rotate synchronously with the support cylinder group 31, force the airflow in the support cylinder group 31 to flow to the installation base plate 33 along the axial direction of the support cylinder group 31, and the support cylinder group 31 is provided with guide holes 382 communicating the inside and the outside; and

the dust collecting cloth bags 383 are arranged between the vertical plates 331 and are communicated with the support cylinder group 31 through an annular connecting pipe 384 sleeved on the support cylinder group 31.

When the cutting blade 321 cuts the pipe 10, the cutting blade 321 cuts from the inside to the outside of the pipe 10, dust generated by cutting is retained in the pipe 10, and dust pollution in a working environment can be avoided, but after the pipe 10 is cut, the dust in the pipe 10 is not collected, and when the pipe 10 is unloaded, the dust is scattered and the dust pollution is also caused. The dust is guided along the support cylinder group 31 to the dust collection cloth bag 383 to be collected, and the dust collection cloth bag 383 is communicated with the support cylinder group 31 through an annular connecting pipe 384. The annular connection tube 384 is stationary.

In the first step, the pushing mechanism 4 includes:

the pushing cylinder 41 is arranged along the length direction of the material bearing seat 11, the pushing cylinder 41 is a shaftless cylinder, and a cylinder sliding block 411 on the pushing cylinder 41 is arranged in a sliding manner;

the connecting plate 42, the said connecting plate 42 connects the said cylinder slide block 411 and said rotary mechanism 2; and

and a slider pair 43, wherein the slider pair 43 is arranged along the length direction of the material bearing seat 11 and is installed below the rotating mechanism 2.

In addition, in the fourth step, the clamping mechanism 5 further includes:

the sliding seat 51 is in transmission connection with the pushing mechanism 4, and slides along the length direction of the material bearing seat 11 through a sliding rail 52 arranged below the sliding seat 51;

the clamping hoop 53 is respectively installed on the sliding seat 51 and the rotating mechanism 2, is arranged in a sliding manner along the vertical direction, is sleeved with an elastic adjusting piece 54 at the upper part, and is provided with a roller 55 at the top part;

guide adjusting plates 56, the guide adjusting plates 56 being respectively installed at both axial ends of the support cylinder group 31, and being in press-fit with the rollers 55 to lower the clamp clips 53, the clamp sleeves being installed on the tubular product 10 in the support cylinder group 31; and

and the support ring 57 is mounted on the sliding seat 51, slides with the sliding seat 51, and is sleeved on the support cylinder group 31, and the support ring 57 supports one suspended end of the support cylinder group 31.

It should be noted that the support ring 57 serves as a support member for supporting the suspended end of the support cylinder group 31 when the support cylinder group 31 is not in operation, and after the support cylinder group 31 completes the cutting operation, the support ring 57 serves as a material withdrawing member for automatically withdrawing and discharging the cut tube 10 sleeved on the support cylinder group 31 from the support cylinder group 31.

Example 2:

as shown in fig. 2 to 8, a pipe flattening and cutting device includes:

the cutting and processing device comprises a cutting and processing table 1, wherein the cutting and processing table 1 is horizontally arranged, a material bearing seat 11 is arranged on the cutting and processing table 1, and a material bearing groove 111 for placing a pipe 10 is arranged on the material bearing seat 11;

the rotating mechanism 2 is arranged on one side of the length direction of the material bearing seat 11, and a rotating connector 20 is arranged on the rotating mechanism 2;

the cutting mechanism 3 is arranged on the other side of the length direction of the material bearing seat 11 relative to the rotating mechanism 2, a cylindrical support cylinder group 31 is arranged on the cutting mechanism 3, the support cylinder group 31 is in penetrating fit with the rotating connector 20, the support cylinder group 31 is driven by the rotating mechanism 2 to rotate, a plurality of groups of cutting blades 32 are arranged on the support cylinder group 31, the cutting blades 32 are equidistantly arranged along the axial circumference of the support cylinder group 31, and the cutting blades 32 cut the pipe 10 sleeved on the support cylinder group 31 from inside to outside;

the pushing mechanism 4 is arranged along the length direction of the material bearing seat 11, pushes the rotating mechanism 2 to slide along the length direction of the material bearing seat 11, is in butt joint with the slitting mechanism, and pushes the pipe 10 to be sleeved on the support cylinder group 31; and

the clamping mechanism 5 is slidably mounted on the material bearing seat 11, is driven by the pushing mechanism 4 to move along the axial direction of the support cylinder group 31, and clamps and positions two axial ends of the pipe 10 when the pipe 10 is sleeved on the support cylinder group 31.

A plurality of groups of arc-shaped inserts 112 are arranged in the material receiving groove 111 at equal intervals, and a plurality of freely rolling balls 113 are uniformly distributed on the end surface of the material receiving groove 111 of the arc-shaped inserts 112.

It should be noted that, firstly, the tube 10 is placed in the material receiving groove 111 of the material receiving seat 11, then the pushing mechanism 4 is started to drive the rotating mechanism 2 to push the tube 10, so that the tube 10 is sleeved on the support cylinder group 31, when the tube 10 is pushed to the proper position, the clamping mechanism 5 is also driven by the pushing mechanism 4 to complete the clamping and positioning of the two axial ends of the tube 10, and it is noted that, at this time, the tube 10 is already sleeved on the supporting cylinder set 31 and is supported by the supporting cylinder set 31, therefore, the intensity of the clamping mechanism is enough to meet the clamping positioning of the clamping mechanism 5, then, the rotating mechanism 2 is started, the rotating connector 20 on the rotating mechanism 2 has completed the connection and matching with the support cylinder group 31, thereby driving the support cylinder group 31 to rotate, during the rotation of the support cylinder set 31, the cutting blades 32 cut the tube material from inside to outside along the radial direction of the tube material 10.

Further, by providing the balls 113, the sliding friction can be changed to rolling friction when the pipe 10 slides in the receiving groove 111.

As shown in fig. 5 to 6, as a preferred embodiment, the rotating mechanism 2 further includes:

the rotating nut 23 is fixedly arranged on any one of the mounting plates 21;

a rotary motor 25, wherein the rotary motor 25 is mounted on the mounting plates 21, and a motor shaft 251 thereof is rotatably disposed between the mounting plates 21 and rotates synchronously with the rotary main shaft 24;

the rotary driven gear 27 is sleeved on the rotary main shaft 24; and

As shown in fig. 7, further, the rotary connector 20 includes:

a sleeve portion 201, the sleeve portion 201 being provided at a center of the rotary connector 20; and

a joint part 202, wherein the joint part 202 is coaxially arranged outside the sleeve part 201 and is in a toothed arrangement.

It should be noted that, when the rotating motor 25 is started, the rotating driven gear 27 and the rotating driving gear 28 are matched to drive the rotating main shaft 23 to rotate along the axial direction, and the rotary connector 20 on the rotating main shaft 23 is already connected with the support cylinder group 31, and during the rotation of the rotary connector 20, the support cylinder group 31 also rotates along with the rotation, and the cutting blade 32 arranged on the support cylinder group 31 cuts the tube 10.

It is further explained that, when the rotating motor 25 is started to drive the rotating main shaft 23 to rotate, the rotating main shaft 24 is extended in the axial direction toward the pipe 10 by the matching of the fixedly arranged rotating nut 23 and the thread on the rotating main shaft 24, and the pipe 10 is cut by the cutting blade 32 from inside to outside in the radial direction by the extrusion of the sleeve portion 201.

As shown in fig. 8 to 13, as a preferred embodiment, the slitting mechanism 3 further comprises:

Wherein the support cylinder group 31 includes:

and the butt joint cylindrical shell section 323 is coaxially connected and arranged at the suspended end part of the cutting cylindrical shell section 312, and one end of the butt joint cylindrical shell section 323, which is opposite to the rotary connector 20, is provided with a tooth groove 3131 which is arranged in a penetrating and matching manner with the rotary connector 20.

Further, as shown in fig. 9, the cutting blade 32 includes:

The support cylinder group 31 is rotated, and the rotation main shaft 24 is extended, so that the sleeve portion 201 is fitted on the fixed shaft 34, the push rod 35 is pushed, the slope ring 36 is pushed by the push rod 35, and the cutting blade 32 is extended from the support cylinder group 31 by contact and pressing of the slope ring 36 and the contact slope block 324, and the tube 10 is cut by extending in the radial direction of the tube 10.

It is further explained that when aiming at the pipes 10 with different lengths, the pipes 10 with different lengths can be cut by adjusting the number of the cutting cylinder sections 322.

It is further noted that the present invention is directed to plastic tubing or softer metal tubing, if cut directly by hard contact of the cutting blade 32 with the tubing 10, it is easy to cause outward bulging of the cut portion and damage the flatness of the cut end of the tubing in case of wear of the cutting blade 32, and by setting the elastic adjustment of the return spring 37, the rigid contact between the cutting blade 32 and the tubing 10 is converted into an elastically adjustable contact.

As shown in fig. 13, as a preferred embodiment, the slitting mechanism 3 further comprises a dust collecting mechanism 38, and the dust collecting mechanism 38 comprises:

the guide vanes 381 are equidistantly installed inside the support cylinder group 31, rotate synchronously with the support cylinder group 31, force the airflow in the support cylinder group 31 to flow to the installation base plate 33 along the axial direction of the same support group 31, and the support cylinder group 31 is provided with guide holes 382 communicating the inside and the outside; and

It should be noted that, in the process of rotationally cutting the tube 10 by the support cylinder group 31, the dust generated by cutting the tube 10 is retained inside the tube 10, which ensures the environmental protection of the working environment, but in the process of removing the tube 10 from the support cylinder group 31, the dust can still drift into the working environment to cause pollution, in the present invention, the guide vanes 381 are arranged inside the support cylinder group 31, and by the rotation of the guide vanes 381, the gas flow is formed inside the support cylinder group 31, and the dust generated by cutting is collected into the dust collection cloth bag 383 by the gas flow.

As shown in fig. 3, as a preferred embodiment, the pushing mechanism 4 includes:

As shown in fig. 2 and 14, as a preferred embodiment, the clamping mechanism 5 includes:

the clamping hoop 52 is respectively arranged on the sliding seat 51 and the rotating mechanism 2, is arranged in a sliding manner along the vertical direction, is sleeved with an elastic adjusting piece 53 at the upper part, and is provided with a roller 53 at the top part;

guide adjusting plates 54, which are respectively installed at two axial ends of the support cylinder group 31, and which are in press fit with the rollers 53 to lower the clamp hoop 52, and the clamp is sleeved on the tubular product 10 in the support cylinder group 31; and

the support ring 55 is mounted on the sliding seat 51, slides with the sliding seat 51, and is sleeved on the support cylinder group 31, and the support ring 55 supports one suspended end of the support cylinder group 31.

It should be noted that, when the pushing mechanism 4 pushes the tube 10 to be sleeved on the support cylinder group 31, the clamping band 52 mounted on the sliding seat 51 and the mounting plate 21 moves along with the pushing mechanism 4, and when the tube 10 is sleeved on the support cylinder group 31, the rollers 53 on the clamping band 52 are also matched with the corresponding guide adjusting plates 54, so that the clamping band 52 descends to clamp and fix the two axial ends of the tube 10, and the tube 10 is very stable and does not vibrate during the cutting process.

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

1. A method for flattening and slitting a pipe is characterized by comprising the following steps:

the method comprises the following steps that firstly, a pipe is placed, the pipe (10) to be cut is placed on a material bearing seat (11) of a cutting processing table (1), and a material bearing groove (111) on the material bearing seat (11) is used for positioning;

secondly, sleeving the pipe, starting a pushing mechanism (4) arranged on the slitting processing table (1), pushing the rotating mechanism (2) along the length direction of a material bearing seat (11), and pushing a material pushing plate (22) on the rotating mechanism (2) to push the pipe (10) placed on the material bearing seat (11) in a butting manner, so that the pipe (10) is sleeved on a cylindrical support cylinder group (31) in the slitting mechanism (3);

step three, rotating and butting, wherein synchronous with the step two, the material pushing plate (22) completes the sleeving work of the pipe (10), and meanwhile, the rotating connector (20) on the rotating mechanism (2) is inserted, matched and connected with the support cylinder group (31);

step four, positioning and clamping, wherein when the material pushing plate (22) completes the sleeving work of the pipe (10), clamping hoops (53) arranged on the material pushing plate (22) and a sliding seat (51) of a clamping mechanism (5) are respectively matched with guide adjusting plates (56) arranged at two axial end parts of the support cylinder group (31) in an abutting mode, and clamping and positioning are completed on two side end parts of the pipe (10) sleeved on the support cylinder group (31);

step five, rotating and slitting, wherein a rotating motor (25) in the rotating mechanism (2) is started, a rotating connector (20) is driven to rotate through the matching of a rotating driven gear (27) and a rotating driving gear (28), synchronously, a cutting blade (32) arranged on a supporting cylinder group (31) rotates, a rotating main shaft (24) is matched with a rotating nut (23) which is fixedly arranged and extends along the axial direction of the pipe (10), a push rod (35) is pushed, a slope ring (36) is driven by the push rod (35) to slide along a fixed shaft (34) and touch with a contact oblique block (324) at the root part of the cutting blade (32), so that the cutting blade (32) extends along the radial direction of the pipe (10), and the pipe (10) is slit and processed in the radial direction; and

seventhly, discharging, wherein after cutting of the pipe (10) is completed, the pushing mechanism (4) pushes the rotating mechanism (2) to reset and synchronize, the clamping hoop (53) releases clamping positioning, the support ring (57) installed on the sliding seat (51) moves to the suspended end part of the support cylinder group (31), the support cylinder group (31) is supported, and the cut pipe (10) sleeved on the support cylinder group (31) is pushed out and discharged.

2. The pipe flattening and slitting method according to claim 1, wherein in the first step, a plurality of groups of arc-shaped inserts (112) are equidistantly arranged in the material receiving groove (111), and a plurality of freely rolling balls (113) are uniformly distributed on the end face of the material receiving groove (111) of the arc-shaped inserts (112).

3. The method for flattening and slitting the tubular product according to claim 1, wherein in the second step, the rotating mechanism (2) further comprises:

the mounting plates (21) are arranged in two groups in parallel, and the mounting plates (21) are vertically arranged;

the material pushing plate (22) is arranged in parallel to the mounting plate (21) and used for pushing the pipe (10) on the material bearing seat (11) to be sleeved on the support cylinder group (31);

the rotary nut (23), the said rotary nut (23) is fixedly mounted on any said mounting plate (21);

the rotating main shaft (24), the rotating main shaft (24) is arranged on the rotating nut (23) in a penetrating mode, and a rotating connector (20) is arranged at one end, opposite to the material bearing seat (11), of the rotating main shaft;

a rotating motor (25), wherein the rotating motor (25) is installed on the installation plates (21), and a motor shaft (251) of the rotating motor is rotatably arranged between the installation plates (21);

the rotary driven gear (27) is sleeved on the rotary main shaft (24) and synchronously rotates along with the rotary main shaft (24); and

a rotation driving gear (28), the rotation driving gear (28) being mounted on the motor shaft (251) and being engaged with the rotation driven gear (27).

4. The method for flattening and slitting a pipe according to claim 1, wherein in the third step, the rotary joint (20) comprises:

a sleeve portion (201), the sleeve portion (201) being disposed at a center of the rotary connection head (20); and

a joint part (202), wherein the joint part (202) is coaxially arranged outside the sleeve part (201) and is in a toothed arrangement.

5. The method for flattening and slitting a pipe according to claim 1, wherein in the second step and the fifth step, the slitting mechanism (3) further comprises:

the mounting base plate (33), two groups of vertical plates (331) which are vertically arranged are arranged on the mounting base plate (33) in parallel, and the support cylinder group (31) is rotatably arranged on the vertical plate (331) which is opposite to the pipe (10);

the fixed shaft (34) is fixedly arranged on the mounting seat plate (33), coaxially penetrates through the inside of the support cylinder group (31), and is correspondingly inserted and combined with the rotary connector (20);

the push rods (35) are sleeved on the fixed shaft (34) in a sliding mode, the push rods (35) are arranged in one-to-one correspondence with the cutting blades (32) of each group and are located on one side, opposite to the pipe (10), of the corresponding cutting blades (32), and the push rods (35) and the rotary connectors (20) are arranged in a corresponding extrusion mode;

the slope rings (36) are sleeved on the fixed shaft (34) in a sliding manner, are arranged corresponding to the cutting blades (32) in each group one by one, are pushed by the corresponding push rods (35) to slide and are abutted against and extruded with the roots of the corresponding cutting blades (32), and enable the cutting blades (32) to extend from inside to outside along the radial direction of the support cylinder group (31); and

the return spring (37), return spring (37) cover is located on fixed axle (34), and its drive is by the setting that resets of push rod (35) that swivelling joint head (20) extruded.

6. The method for flattening and slitting tubular products according to claim 5, wherein in the first step, the support cylinder set (31) comprises:

a connecting cylindrical section (311), wherein the connecting cylindrical section (311) is rotatably arranged on the mounting seat plate (33);

the cutting cylindrical sections (312) are axially connected end to end, the cutting cylindrical sections (312) close to the connecting cylindrical section (311) are coaxially connected with the connecting cylindrical section (311), and the cutting blades (32) of each group are all arranged on the corresponding cutting cylindrical sections (312); and

butt joint shell ring (313), butt joint shell ring (313) coaxial coupling set up in the tip that cutting shell ring (312) hung, its one end just to rotary joint head (20) is provided with and alternates tooth's socket (3231) that the cooperation set up with this rotary joint head (20).

7. The method for flattening and slitting a pipe according to claim 6, wherein in the fifth step, the cutting blade (32) comprises:

the top of the cutter body (321) is arranged in a zigzag manner, the middle of the cutter body (321) is provided with a waist groove (322), and an elastic component (323) for retracting the cutter body (321) into the support cylinder group (31) is arranged in the waist groove (322); and

conflict sloping block (324), conflict sloping block (324) set up in the root of cutter body (321), it is the setting of wedge, and it with ramp ring (36) correspond pressure fit.

8. The method for flattening and slitting tubular products according to claim 5, wherein in the fifth step, a dust collecting mechanism (38) for collecting dust is further disposed in the supporting cylinder set (31), and the dust collecting mechanism (38) comprises:

the guide vanes (381), the guide vanes (381) are equidistantly installed inside the support cylinder group (31), rotate synchronously with the support cylinder group (31), force the airflow in the support cylinder group (31) to flow to the installation base plate (33) along the axial direction of the support cylinder group (31), and the support cylinder group (31) is provided with guide holes (382) for communicating the inside and the outside; and

the dust collecting cloth bags (383) are arranged between the vertical plates (331) and communicated with the support cylinder group (31) through annular connecting pipes (384) sleeved on the support cylinder group (31).

9. The method for flattening and slitting the pipe according to claim 1, wherein in the first step, the pushing mechanism (4) comprises:

the pushing cylinder (41) is arranged along the length direction of the material bearing seat (11), the pushing cylinder (41) is a shaftless cylinder, and a cylinder sliding block (411) on the pushing cylinder is arranged in a sliding mode;

the connecting plate (42), the said connecting plate (42) connects the said cylinder slide block (411) and said rotary mechanism (2); and

and the sliding block pair (43) is arranged along the length direction of the material bearing seat (11) and is installed below the rotating mechanism (2).

10. The method for flattening and slitting a pipe according to claim 1, wherein in the fourth step, the clamping mechanism (5) further comprises:

the sliding seat (51) is in transmission connection with the pushing mechanism (4) and slides along the length direction of the material bearing seat (11) through a sliding rail (52) arranged below the sliding seat (51);

the clamping hoop (53) is respectively arranged on the sliding seat (51) and the rotating mechanism (2), is arranged in a sliding manner along the vertical direction, is sleeved with an elastic adjusting piece (54) at the upper part thereof, and is provided with a roller (55) at the top part of the clamping hoop (53);

the guide adjusting plates (56) are respectively installed at two axial end parts of the support cylinder group (31) and are in press fit with the rollers (55), so that the clamping hoop (53) descends, and a pipe (10) on the support cylinder group (31) is clamped and sleeved; and

the support ring (57), the support ring (57) is installed on the sliding seat (51), slides with the sliding seat (51), and is sleeved on the support cylinder group (31), and the support ring (57) supports one suspended end of the support cylinder group (31).