CN111702816B

CN111702816B - PVC pipe cutting device for decoration construction

Info

Publication number: CN111702816B
Application number: CN202010594690.3A
Authority: CN
Inventors: 谢秋玉; 张建川
Original assignee: Pinxin Decoration Design Studio In Quanzhou Taiwan Investment Zone
Current assignee: Pinxin Decoration Design Studio In Quanzhou Taiwan Investment Zone
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-06-08
Anticipated expiration: 2040-06-28
Also published as: CN111702816A

Abstract

The invention relates to the technical field of devices for decoration construction, in particular to a PVC (polyvinyl chloride) pipe cutting device for decoration construction. The invention has the beneficial effects that: spacing centre gripping of constant head tank to PVC pipe through collet for during the cutting, the PVC pipe can not produce deformation, sunken etc, avoid producing the damage to the PVC pipe, it removes in the cutting seat to set up pneumatic cylinder drive collet, elastic shrinkage through round platform portion, make a plurality of cutters cut in step to the PVC pipe jointly, because the common cutting of a plurality of cutters, cutting resistance when consequently cutting is less, and the cutting effect that the PVC pipe received is used in PVC pipe surface each department evenly, further reduce the deformation that PVC was managed, and the cutting blind area is less.

Description

PVC pipe cutting device for decoration construction

Technical Field

The invention relates to the technical field of devices for decoration construction, in particular to a PVC pipe cutting device for decoration construction.

Background

When the interior decoration is under construction, need install PVC water pipe etc. usually, these tubular products are at the actual installation in-process, probably produce the condition that length overlength needs to cut off, consequently the workman uses scissors or portable cutting equipment to cut the PVC pipe, but these cutting equipment have the cutting inefficiency, the uneven problem of cutting terminal surface, influence the cutting of PVC pipe.

Disclosure of Invention

The invention aims to overcome the problems in the prior art and provides a PVC pipe cutting device for decoration construction, which can solve the problems in the prior art at least to a certain extent.

In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:

a PVC tubular product cutting device for decoration construction, includes a base, be equipped with a cutting seat on the base, the cutting seat is improved level and is equipped with an elastic chuck, elastic chuck includes integrative and coaxial cylinder portion, round platform portion, the diameter of round platform portion increases progressively from inside to outside in proper order along the axial of cylinder portion, it is corresponding seted up on the cutting seat and supply the coaxial sliding fit of cylinder portion to insert, the mounting hole of through-hole form and with round platform portion appearance adaptation, and supply the taper groove of round platform portion sliding fit block, the cutting seat keeps away from the taper groove one side horizontal installation and has the pneumatic cylinder, the pneumatic cylinder is connected with cylinder portion drive, and drive the round platform portion slides in the taper groove, coaxially be equipped with blind hole form and the diameter in proper order degressive cutter mounting groove, keep away dead slot, constant head tank on the round platform portion, constant head tank diameter and the PVC tubular product diameter adaptation of waiting to cut, a plurality of strip-shaped notches extending to the cylindrical part are arranged on the conical surface of the circular table part along the axial array of the conical surface, the strip-shaped notch is communicated with the cutter mounting groove, the clearance groove and the positioning groove, the inner walls of a plurality of arc-shaped sections of the cutter mounting groove divided by the strip-shaped notch are welded with arc-shaped cutters, the cutting edges of the arc-shaped cutters face the radial inner side of the circular table part, a through groove is arranged on the back of the knife, a semiconductor heating part is embedded in the through groove, an elastic component used for ejecting the cut PVC pipe is arranged in the elastic chuck, the elastic component comprises a magnetic conduction block which is coaxially and slidably matched and clamped in the positioning groove, the elastic chuck is coaxially provided with a mounting groove which is in a blind hole form, communicated with the positioning groove and smaller than the positioning groove in diameter, an electromagnet is installed in the installation groove, an elastic piece is arranged between the electromagnet and the magnetic conduction block, and the elastic piece abuts against the magnetic conduction block and drives the magnetic conduction block to move towards the direction far away from the electromagnet.

As a further optimization of the technical scheme, the difference of the radius values of the cutter mounting groove and the clearance groove is consistent with the pipe wall thickness value of the PVC pipe.

As a further optimization of the above solution, the collet is made entirely of spring steel.

As a further optimization of the above technical solution, the elastic member is a compression spring disposed in the mounting groove, and two ends of the compression spring in the elastic direction are respectively welded to the magnetic conduction block and the electromagnet.

The PVC pipe cutting device for decoration construction comprises the following working method:

step a, the electromagnet is electrified to generate magnetism, the magnetic conduction block is driven to overcome the elasticity of the elastic part and move towards the elastic part, the end face of the magnetic conduction block is enabled to be abutted against the bottom wall of the positioning groove, one end of the PVC pipe penetrates into the clearance groove of the elastic chuck from the space between the cutting edges of the plurality of cutters and continues to penetrate into the positioning groove of the elastic chuck, and the end face of the PVC pipe is abutted against the magnetic conduction block;

b, starting a hydraulic cylinder, retracting an expansion link of the hydraulic cylinder to pull the cylindrical part to slide in the mounting hole and enable the circular table part to slide in a conical groove, wherein the inner wall of the conical groove has a radial acting force on the conical surface of the circular table part, so that the conical surface of the circular table part generates elastic contraction towards the radial inner side of the conical surface, the cutter is enabled to approach to the radial inner side of the circular table part, the semiconductor heating part is synchronously started, the semiconductor heating part works to generate high temperature, the PVC pipe is rapidly cut off by the cutting edge of the cutter under the action of the shearing force of the cutter and the high temperature generated by the semiconductor heating part, the cutting efficiency of the PVC pipe is improved, the cutting end face of the PVC pipe is neat, and in addition, the PVC pipe is prevented from deforming in the cutting process through the limiting and clamping of the positioning groove, and the quality after cutting is improved;

and c, after cutting off, the part of the PVC pipe, which is positioned outside the cutting seat, falls down, the part positioned in the cutting seat still abuts against the surface of the magnetic conduction block, and the hydraulic cylinder is reset synchronously to enable the circular table part to reversely slide in the conical groove and generate elastic expansion deformation, so that the cutting edges of the plurality of cutters are far away from the PVC pipe, meanwhile, the electromagnet is powered off and loses magnetism, and under the elastic action of the elastic part, the magnetic conduction block is quickly far away from the electromagnet, so that the PVC pipe is driven to be quickly thrown out of the cutting seat from the positioning groove, the automatic ejection after the PVC pipe is cut is realized, and the cutting of the PVC pipe is completed.

The invention has the beneficial effects that: the PVC pipe is clamped in a limiting way through the positioning groove of the elastic chuck, so that the PVC pipe cannot deform or sag during cutting, the PVC pipe is prevented from being damaged, the hydraulic cylinder is arranged to drive the elastic chuck to move in the cutting seat, the PVC pipe is synchronously cut by a plurality of cutters through elastic contraction of the circular table part, the cutting resistance during cutting is smaller due to the common cutting of the plurality of cutters, the cutting action force applied to the PVC pipe is uniform on all parts of the surface of the PVC pipe, the deformation of the PVC pipe is further reduced, the cutting blind area is smaller, in addition, high temperature is generated by electrifying the semiconductor heating part, the cutting of the PVC pipe is assisted, on one hand, the cutting speed is improved, the cutting efficiency is improved, on the other hand, the cutting section of the PVC pipe after cutting is neat, burrs at the edge of the cutting section can be fused through high temperature, the quality of the cutting section is improved, and in addition, the elastic, through the electro-magnet outage among the elastic component, make the elastic component bounce away and keep away from the electro-magnet fast magnetic conduction piece, and then make the PVC pipe that lies in the cutting seat after the cutting receive the drive of magnetic conduction piece, and throw out to the outside of cutting seat in the constant head tank, avoiding the dead slot fast, need not artifical the collection, improve the operating efficiency.

Drawings

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

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

FIG. 2 is an exploded view of the perspective structure of FIG. 1;

FIG. 3 is a schematic front view of the three-dimensional structure of FIG. 1;

FIG. 4 is a schematic partial cross-sectional view of the three-dimensional structure of FIG. 3;

FIG. 5 is a schematic cross-sectional view of the cutting base according to the present invention;

FIG. 6 is a schematic perspective view of the collet of the present invention;

FIG. 7 is a schematic cross-sectional view of the three-dimensional structure of FIG. 6;

FIG. 8 is a perspective view of a cutter according to the present invention;

the reference numerals are explained below:

1-hydraulic cylinder, 2-cutting seat, 3-taper groove, 4-electromagnet, 5-compression spring, 6-magnetic conduction block, 7-semiconductor heating element, 8-cutter, 9-cylindrical part, 10-strip notch, 11-circular table part, 12-installation groove, 13-cutter installation groove, 14-clearance groove, 15-base, 16-installation hole, 17-through groove and 18-positioning groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, 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, but not all 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.

Referring to fig. 1-8, fig. 1-8 show a PVC pipe cutting device for decoration construction, which includes a base 15, a cutting seat 2 is disposed on the base 15, an elastic chuck is horizontally disposed on the cutting seat 2, the elastic chuck includes a cylindrical portion 9 and a circular table portion 11, the diameter of the circular table portion 11 increases gradually from inside to outside along the axial direction of the cylindrical portion 9, a mounting hole 16 in the form of a through hole for coaxial sliding insertion of the cylindrical portion 9 and a conical groove 3 in the form of a through hole for sliding engagement of the circular table portion 11 are disposed on the corresponding cutting seat 2, a hydraulic cylinder 1 is horizontally disposed on a side of the cutting seat 2 away from the conical groove 3, the hydraulic cylinder 1 is in driving connection with the cylindrical portion 9 and drives the circular table portion 11 to slide in the conical groove 3, a cutter mounting groove 13 in the form of a blind hole and having a diameter decreasing gradually and a mounting groove 13, a cutter mounting groove 11 is coaxially disposed on the circular table portion 9, The cutting tool comprises a clearance groove 14 and a positioning groove 18, the diameter of the positioning groove 18 is matched with that of a PVC pipe to be cut, a plurality of strip-shaped notches 10 extending to a cylindrical part 9 are formed in the conical surface of the cylindrical part 9 along the axial array of the conical surface, the strip-shaped notches 10 are communicated with a cutter mounting groove 13, the clearance groove 14 and the positioning groove 18, arc-shaped cutters 8 are welded on the inner walls of arc-shaped sections separated by the strip-shaped notches 10 of the cutter mounting groove 13, the cutting edges of the arc-shaped cutters 8 face the radial inner side of the cylindrical part 11, a through groove 17 is formed in the back of the cutter, a semiconductor heating part 7 is embedded in the through groove 17, an elastic component used for popping up the cut PVC pipe is arranged in the elastic chuck, the elastic component comprises a magnetic conduction block 6 which is coaxially clamped in the positioning groove 18 in a sliding manner, a mounting groove 12 which is communicated with the positioning groove 18 and is, install electro-magnet 4 in the mounting groove 12, be equipped with the compression spring 5 of installing in mounting groove 12 between electro-magnet 4 and the

magnetic conduction piece

6, 5 elasticity direction both ends of compression spring weld respectively on magnetic conduction piece 6, electro-magnet 4, compression spring 5 supports and pushes against magnetic conduction piece 6 and drive magnetic conduction piece 6 and remove towards keeping away from 4 directions of electro-magnet.

The difference between the radius values of the cutter mounting groove 13 and the clearance groove 14 is consistent with the thickness value of the PVC pipe wall, so that the cutter 8 can completely cut off the PVC pipe after the circular truncated cone portion 11 is elastically contracted in place.

The elastic chuck is integrally made of spring steel, so that the elastic deformation capacity and the elastic deformation amplitude of the circular table part on the elastic chuck are larger.

The embodiment also discloses a working method of the PVC pipe cutting device for decoration construction, which comprises the following steps:

step a, the electromagnet 4 is electrified to generate magnetism, the magnetic conduction block 6 is driven to overcome the elasticity of the elastic part and move towards the elastic part, the end face of the magnetic conduction block 6 is enabled to be abutted against the bottom wall of the positioning groove 18, one end of the PVC pipe penetrates into the clearance groove 14 of the elastic chuck from the space between the cutting edges of the plurality of cutters 8 and continues to penetrate into the positioning groove 18 of the elastic chuck, and the end face of the PVC pipe abuts against the magnetic conduction block 6;

step b, starting a hydraulic cylinder, retracting an expansion link of the hydraulic cylinder to pull the cylindrical part 9 to slide in the mounting hole 16, enabling the circular table part 11 to slide in the conical groove 3, enabling the inner wall of the conical groove 3 to have radial acting force on the conical surface of the circular table part 11, further enabling the conical surface of the circular table part 11 to elastically contract towards the radial inner side of the conical part, enabling the cutter 8 to approach towards the radial inner side of the circular table part 11, synchronously starting the semiconductor heating part 7, enabling the semiconductor heating part 7 to work to generate high temperature, so that the PVC pipe is quickly cut off by a cutting edge of the cutter 8 under the shearing force of the cutter 8 and the high temperature generated by the semiconductor heating part 7, improving the cutting efficiency of the PVC pipe, and the cutting end face of the PVC pipe is relatively neat through the action of the high temperature, and in addition, the PVC pipe is prevented from deforming in the cutting process through the limiting and clamping of the positioning, the quality after cutting is improved;

1) and c, after cutting off, the part of the PVC pipe, which is positioned outside the cutting seat 2, falls down, the part positioned in the cutting seat 2 still abuts against the surface of the magnetic conduction block 6, and the hydraulic cylinder 1 is synchronously reset, so that the circular table part 11 reversely slides in the conical groove 3 and generates elastic expansion deformation, the cutting edges of the plurality of cutters 8 are far away from the PVC pipe, meanwhile, the electromagnet 4 is powered off and loses magnetism, the magnetic conduction block 6 is quickly far away from the electromagnet 4 under the elastic action of the elastic part, and then the PVC pipe is driven to be quickly thrown out of the cutting seat 2 from the positioning groove 18, so that automatic ejection after the PVC pipe is cut is realized, and the cutting of the PVC pipe is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A PVC pipe cutting device for decoration construction is characterized by comprising a base (15), wherein a cutting seat (2) is arranged on the base (15), an elastic chuck is horizontally arranged on the cutting seat (2) and comprises a cylindrical part (9) and a circular table part (11) which are integrated and coaxial, the diameter of the circular table part (11) is sequentially increased from inside to outside along the axial direction of the cylindrical part (9), a mounting hole (16) which is matched with the cylindrical part (9) in a coaxial sliding fit manner and in a through hole form and a conical groove (3) which is matched with the shape of the circular table part (11) and is matched with the circular table part (11) in a sliding fit manner are correspondingly formed in the cutting seat (2), a hydraulic cylinder (1) is horizontally arranged on the side, far away from the conical groove (3), of the hydraulic cylinder (1) is in driving connection with the cylindrical part (9) and drives the circular table part (11) to slide in the conical groove (3), the PVC pipe cutting machine is characterized in that a cutter mounting groove (13), an empty avoiding groove (14) and a positioning groove (18) which are in a blind hole form and have diameters decreasing in sequence are coaxially arranged on a circular table portion (11), the diameter of the positioning groove (18) is matched with the diameter of a PVC pipe to be cut, a plurality of strip-shaped notches (10) extending to a cylindrical portion (9) are formed in the conical surface of the circular table portion (11) along the axial direction of the conical surface of the circular table portion, the strip-shaped notches (10) are communicated with the cutter mounting groove (13), the empty avoiding groove (14) and the positioning groove (18), arc-shaped cutters (8) are welded on the inner walls of a plurality of arc-shaped sections, which are separated by the strip-shaped notches (10), the cutting edges of the arc-shaped cutters (8) face the radial inner side of the circular table portion (11), a through groove (17) is formed in the knife back of the circular table portion, a, the elastic component comprises a magnetic conduction block (6) which is coaxially matched with the positioning groove (18) in a sliding mode, the elastic chuck is coaxially provided with a blind hole, a mounting groove (12) communicated with the positioning groove (18) and the diameter of the mounting groove (12) is smaller than the positioning groove (18), an electromagnet (4) is mounted in the mounting groove (12), an elastic piece is arranged between the electromagnet (4) and the magnetic conduction block (6), and the elastic piece abuts against the magnetic conduction block (6) and drives the magnetic conduction block (6) to move towards the direction away from the electromagnet (4).

2. The PVC pipe cutting device for decoration construction as claimed in claim 1, wherein the difference of the radius values of the cutter mounting groove (13) and the clearance groove (14) is consistent with the wall thickness value of the PVC pipe.

3. A PVC pipe cutting apparatus for upholstery construction as claimed in claim 1 wherein the collet is formed entirely of spring steel.

4. The PVC pipe cutting device for decoration construction according to claim 1, wherein the elastic part is a compression spring (5) arranged in the mounting groove (12), and two ends of the compression spring (5) in the elastic force direction are respectively welded on the magnetic conduction block (6) and the electromagnet (4).

5. The PVC pipe cutting device for decoration construction of claim 1, wherein the working method comprises the following steps:

step a, the electromagnet (4) is electrified to generate magnetism, the magnetic conduction block (6) is driven to overcome the elasticity of the elastic part and move towards the elastic part, the end face of the magnetic conduction block (6) is enabled to be opposite to the bottom wall of the positioning groove (18), one end of the PVC pipe penetrates into the clearance groove (14) of the elastic chuck from the position between the cutting edges of the plurality of cutters (8), and continuously penetrates into the positioning groove (18) of the elastic chuck, and the end face of the PVC pipe is abutted against the magnetic conduction block (6);

step b, a hydraulic cylinder is started, a telescopic rod of the hydraulic cylinder retracts to pull the cylindrical part (9) to slide in the mounting hole (16), the circular table part (11) slides in the conical groove (3), the inner wall of the conical groove (3) has radial acting force on the conical surface of the circular table part (11), further the conical surface of the circular table part (11) generates elastic contraction towards the radial inner side of the conical groove, the cutter (8) draws close to the radial inner side of the circular table part (11), the semiconductor heating part (7) is synchronously started, the semiconductor heating part (7) works to generate high temperature, therefore, the PVC pipe is quickly cut off by the cutting edge of the cutter (8) under the shearing force of the cutter (8) and the high temperature generated by the semiconductor heating part (7), the cutting end face of the PVC pipe is relatively neat and neat through the action of the high temperature, and the PVC pipe is limited and clamped through the positioning groove (18), in the cutting process, the PVC pipe cannot deform, and the quality after cutting is improved;

and c, after cutting off, the PVC pipe is positioned at the outer side of the cutting seat (2) and drops downwards, the part positioned in the cutting seat (2) is still abutted against the surface of the magnetic conduction block (6), and synchronously, the hydraulic cylinder (1) is reset to enable the circular table part (11) to reversely slide in the conical groove (3) and generate elastic expansion deformation, so that a plurality of cutting edges of the cutter (8) are far away from the PVC pipe, meanwhile, the electromagnet (4) is powered off and loses magnetism, and under the elastic action of the elastic part, the magnetic conduction block (6) is quickly far away from the electromagnet (4), so that the PVC pipe is driven to be quickly thrown out of the positioning groove (18) to the outer part of the cutting seat (2), automatic ejection after the PVC pipe is cut is realized, and the cutting of the PVC pipe is completed.