CN108724301B

CN108724301B - Fine adjustment mechanism of portable processing device for large-diameter PP (polypropylene) pipe

Info

Publication number: CN108724301B
Application number: CN201810510230.0A
Authority: CN
Inventors: 夏文斌
Original assignee: Xuzhou Pengyu Hydraulic Technology Co ltd
Current assignee: Xuzhou Pengyu Hydraulic Technology Co.,Ltd.
Priority date: 2018-05-24
Filing date: 2018-05-24
Publication date: 2020-12-11
Anticipated expiration: 2038-05-24
Also published as: CN108724301A

Abstract

The invention relates to the field of pipe fitting processing, in particular to a fine adjustment mechanism of a portable processing device for a large-caliber PP pipe, which comprises a bottom plate and a top plate, the fine adjustment mechanism of the large-caliber PP pipe portable processing device comprises a limiting frame and a locking part, wherein a containing cavity used for containing the limiting frame and the locking part is arranged at the top of a bottom plate, the top plate and the bottom plate are of a circular structure, the top plate can be rotatably connected with the bottom plate, a spiral protruding part capable of being contained in a spiral groove of a strip-shaped adjusting plate is arranged at the bottom of the top plate, a first shaft sleeve is arranged at the center of the bottom of the containing cavity, a second shaft sleeve capable of being inserted into the inner side of the shaft sleeve is arranged at the center of the bottom of the top plate, and a third shaft sleeve is further arranged on the outer side of the second shaft sleeve.

Description

Fine adjustment mechanism of portable processing device for large-diameter PP (polypropylene) pipe

Technical Field

The invention relates to the field of pipe fitting processing, in particular to a fine adjustment mechanism of a large-caliber PP pipe portable processing device.

Background

The pipe fitting is a general name of parts in a pipeline system which play roles in connection, control, direction change, flow distribution, sealing, supporting and the like. The PP material is also called polypropylene, and is a thermoplastic resin prepared by polymerizing propylene, which is divided into isotactic polypropylene, atactic polypropylene and syndiotactic polypropylene according to methyl arrangement positions, wherein methyl is arranged on the same side of a molecular main chain and is called the isotactic polypropylene, if methyl is arranged on two sides of the molecular main chain in an unordered way, the methyl is arranged on two sides of the molecular main chain alternately and is called the syndiotactic polypropylene, in the general industrially produced polypropylene resin, the content of an isotactic structure is about 95 percent, the rest is the atactic or syndiotactic polypropylene, industrial products take isotactic substances as main components, polypropylene also comprises a copolymer of propylene and a small amount of ethylene, the polypropylene is usually a semitransparent colorless solid, odorless and nontoxic, and has the outstanding advantages of being free from odor and toxicity, because the structure is regular and highly crystallized, the melting point can be up to 167 ℃, heat resistance and corrosion resistance, and a product can be sterilized by steam, and has small density, is the lightest general-purpose plastic. The PP pipe is a non-toxic, sanitary, high temperature resistant and recyclable pipe type, is mainly applied to an indoor cold and hot water supply system of a building, and is also widely applied to a heating system. The PP pipe has the characteristics that: the corrosion is avoided, the PP pipe can bear the PH value in a large temperature range, and the PP pipe can effectively prevent corrosion in high-concentration acid and alkali in the range of 1-14; the PP pipe is wear-resistant and free of scaling, the inner walls of the PP pipe and the pipe fitting are uniform and smooth, the flow resistance is small, and scaling is avoided; vibration and noise are reduced, the PP pipe has excellent sound insulation performance, and vibration and noise caused by liquid flow can be obviously reduced; the pipe is prevented from frost cracking, and the elasticity of the PP material is excellent, so that the sections of the pipe and the pipe fitting can expand along with frost-heaving liquid without spalling; the heat conducting PP material is a poor heat conductor, so that the condensation phenomenon can be reduced, and the heat loss can be reduced.

At present, PP pipes are widely applied to the field of buildings, and in the field use process of the PP pipes, the PP pipes are often required to be temporarily cut to adapt to special working conditions, and in the actual field, the PP pipes are cut and processed, and the field pipes are more in specification and are often required to be equipped with tools of various specifications, so that an adjusting mechanism which can finely adjust the diameter of a clamp to clamp the PP pipes in different pipe diameter ranges is necessary to be designed.

Disclosure of Invention

The invention aims to provide a fine adjustment mechanism of a portable processing device for a large-diameter PP pipe, aiming at the defects of the prior art.

In order to solve the above problems, the present invention provides the following technical solutions:

a fine adjustment mechanism of a large-caliber PP pipe portable processing device comprises a bottom plate, a top plate, a limiting frame and a locking component, wherein a containing cavity for containing the limiting frame and the locking component is arranged at the top of the bottom plate, the top plate and the bottom plate are both of a circular structure, the top plate can be rotatably connected with the bottom plate, a spiral protruding part capable of being contained in a spiral groove of a strip-shaped adjusting plate is arranged at the bottom of the top plate, the spiral protruding part and the top plate are coaxially arranged, a first shaft sleeve is arranged at the center of the bottom of the containing cavity, a second shaft sleeve capable of being inserted into the inner side of the shaft sleeve is arranged at the center of the bottom of the top plate, the limiting frame is sleeved on the outer side of the first shaft sleeve, a third shaft sleeve is further arranged on the outer side of the second shaft sleeve, the locking component is in locking fit with the outer wall of, the first shaft sleeve, the second shaft sleeve and the third shaft sleeve are coaxially arranged.

Preferably, spacing frame sets up in the bottom that holds the chamber and its center department cover establishes on the outer wall of first axle sleeve, and spacing frame includes the gliding slide of three confession bar regulating plate tip, and the position that corresponds three slide on holding the chamber wall in chamber is provided with the gliding breach that holds in three confession bar regulating plate middle part, and the length of first axle sleeve is greater than the thickness of spacing frame, and the up end of spacing frame flushes with the bottom that holds the breach, spacing frame and bottom plate coaxial line.

Preferably, the external diameter of second shaft sleeve equals the internal diameter of first shaft sleeve, and the axis of first shaft sleeve, second shaft sleeve and third shaft sleeve all is perpendicular to the axis of roof, and integrated into one piece is provided with an annular flange on the outer wall of second shaft sleeve, is provided with an annular groove that supplies annular flange joint on the inner wall of first shaft sleeve.

Preferably, the diameter of the third shaft sleeve is larger than that of the second shaft sleeve, the inner diameter of the third shaft sleeve is equal to that of the limiting frame, the bottom of the third shaft sleeve is attached to the top of the limiting frame, the length of the third shaft sleeve is smaller than that of the second shaft sleeve, the length of the first shaft sleeve is equal to that of the second shaft sleeve, and the upper half part of the first shaft sleeve is located between the second shaft sleeve and the third shaft sleeve.

Preferably, be provided with the latch that the round supplied locking part joint on the outer cylinder wall of third axle sleeve, all latches all at the circumferencial direction of the outer cylinder wall of third axle sleeve on interval distribution, the tip that locks the part can all be held to the distance between per two adjacent latches inserts.

Preferably, the locking part includes the cylinder shell, locking spring and locking lever, and the cylinder shell is fixed to be set up on the cylinder wall of bottom plate to the cylinder shell extends to holding intracavity portion from the outer wall of bottom plate, and the length of cylinder shell is less than the diameter of bottom plate, and the axis direction of cylinder shell is the same with the radial of bottom plate, and locking spring and locking lever all set up the inside at the cylinder shell, and the both ends of locking spring are contradicted with the inner wall and the locking lever of cylinder shell respectively, and the one end of locking lever extends to the outside of bottom plate, and the other end inserts between two latches that correspond.

Preferably, the locking part is located the top of spacing frame, the length of cylinder shell is less than the radius of bottom plate, the internal diameter of cylinder shell equals the diameter of locking lever, stretch out and extend towards the direction of latch in the cylinder shell one end of locking lever, pull rod of other end fixedly connected with, the diameter of railing is less than the diameter of locking lever, the one end of pull rod is passed the locking spring and is extended to the cylinder shell outside, the one end that the locking lever was kept away from to the pull rod is connected with an anti-skidding knob, anti-skidding knob is contradicted with the outer cylinder wall of bottom plate, the one end that the locking lever stretches to the latch is provided with the inclined plane structure that supplies the.

Preferably, the outer wall of the anti-skid knob is provided with a pointing bar for indicating the position of the inclined plane structure.

Preferably, an upper bearing connected with the transmission shaft is embedded in the center of the top plate, and an inner ring of the upper bearing is fixedly connected with the transmission shaft.

Preferably, a lower bearing connected with the transmission shaft is embedded in the center of the bottom plate, and an inner ring of the lower bearing is fixedly connected with the transmission shaft.

Has the advantages that: the invention relates to a fine adjustment mechanism of a large-caliber PP pipe portable processing device, when the fine adjustment mechanism is used for adjusting the distance between the axis of a fixed column and the axis of a PP pipe, only a top plate needs to be rotated, the top plate rotates to enable a spiral bulge at the bottom of the top plate to rotate, when the part of the spiral bulge, which is positioned in a spiral groove of a strip-shaped adjusting plate, is rotated, the strip-shaped adjusting plate is far away from or close to the axis of the PP pipe, so that the distance between the three axes of the fixed column and the axis of the PP pipe is adjusted to adapt to the PP pipe with pipe diameter, when the top plate is rotated, a circle of latch at the bottom of the top plate sequentially props against a locking rod through an inclined surface structure, the locking rod extrudes a locking spring, the locking rod is extruded from two adjacent latches and enters between the next two latches, the part of the end part, the fine adjustment mechanism of the large-diameter PP pipe portable processing device can conveniently adjust the distance between the three support legs to adapt to PP pipes with different pipe diameters, and has a self-locking function to prevent the distance between the three support legs from changing.

Drawings

FIG. 1 is a schematic view illustrating a usage state of the present invention;

FIG. 2 is a top view of FIG. 1;

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

FIG. 4 shows a side view of the present invention;

FIG. 5 is a plan sectional view of FIG. 4;

FIG. 6 is an exploded perspective view of the present invention;

FIG. 7 is a plan sectional view of the fine adjustment mechanism;

FIG. 8 is an exploded view of a portion of the present invention;

FIG. 9 is a perspective view of the drive assembly;

FIG. 10 is a first exploded perspective view of the fine tuning assembly;

FIG. 11 is an exploded perspective view of the fine adjustment assembly;

FIG. 12 is an enlarged view of the point A in FIG. 11;

FIG. 13 is a third exploded perspective view of the trim assembly;

FIG. 14 is an enlarged view of the portion B of FIG. 13;

FIG. 15 is a perspective view of the base plate;

description of reference numerals: the support leg 1, the fine adjustment mechanism 2, the rotary shell 3, the processing head 4, the fixed shaft 5, the tool bit 6, the threaded rod 7, the main gear 8, the pinion 9, the transmission shaft 10, the auxiliary snap strip 11, the auxiliary snap groove 12, the first bearing 13, the auxiliary snap ring 14, the main snap ring 15, the sleeve 16, the first accommodating groove 17, the first spring 18, the first strip-shaped slide hole 19, the first slide bar 20, the first limit ring 21, the universal wheel 22, the mounting seat 23, the second accommodating groove 24, the second spring 25, the fixed column 26, the strip-shaped adjusting plate 27, the fixing notch 28, the spiral groove 29, the handle housing 30, the rotary motor 31, the primary gear 32, the secondary gear 33, the hand lever 34, the coupling 35, the bottom plate 36, the top plate 37, the limit frame 38, the locking part 39, the accommodating cavity 40, the spiral boss 41, the second shaft sleeve 42, the third shaft sleeve 43, the slide way 44, the accommodating notch 45, the annular flange, the anti-skid device comprises a cylindrical shell 48, a locking spring 49, a locking rod 50, a pull rod 51, an anti-skid knob 52, a slope structure 53, a pointing strip 54, an upper bearing 55, a lower bearing 56, a first shaft sleeve 57 and an annular groove 58.

Detailed Description

The following detailed description of specific embodiments of the present invention is made with reference to the accompanying drawings and examples:

referring to fig. 1 to 15, a portable processing device for a large-diameter PP tube comprises a fixing component, a driving component and a multifunctional processing component, wherein the fixing component comprises three supporting legs 1 and a fine adjustment mechanism 2, the three supporting legs 1 are identical in shape and distributed in a herringbone shape, the fine adjustment mechanism 2 is connected with one ends of the three supporting legs 1 for adjusting the distance between the three supporting legs 1, the driving component is arranged on one side of the fixing component far away from the three supporting legs 1, the multifunctional processing component is arranged on one side of the fixing component close to the three supporting legs 1, the multifunctional processing component comprises a rotary shell 3, a processing head 4 and a function switching mechanism, the rotary shell 3 is a cuboid structure with an opening at one long side, one side of the rotary shell 3 far away from the opening end is connected with the driving component through a fixed shaft 5, the length direction of the rotary shell 3 is parallel, the processing head 4 is arranged in the rotary shell 3 and can move along the length direction of the rotary shell 3, a tool bit 6 capable of elastically extending out of an opening of the rotary shell 3 is arranged at one end of the processing head 4, the function switching mechanism comprises a switching gear set and a threaded rod 7, the switching gear set is arranged between the rotary shell 3 and the fine adjustment mechanism 2, the threaded rod 7 is arranged in the rotary shell 3, the axial direction of the threaded rod is parallel to the axial direction of the fixed shaft 5, the threaded rod 7 penetrates through the processing head 4 and is in threaded fit with the processing head 4, one end of the threaded rod 7 penetrates through one end of the rotary shell 3 and is connected with the switching gear set, the switching gear set comprises a main gear 8 and a secondary gear 9 which can be meshed with each other, the main gear 8 is fixedly arranged at one end, close to the rotary shell 3, of the secondary gear 9 is fixedly connected with one end of the threaded rod.

The utility model discloses a little mechanism 2, including fixed axle 5, fixed axle 3, the one side of keeping away from self open end is kept away from to fixed axle 5 setting at rotatory shell 3, the inboard one end fixed connection of the one end of fixed axle 5 and rotatory shell 3, the other end of fixed axle 5 is from interior and passes rotatory shell 3 one end that is close to little mechanism 2 and extend to the outside, little mechanism 2's center department is provided with a transmission shaft 10 that can rotate, transmission shaft 10's one end is connected with fixed axle 5 through a shaft coupling 35, the other end and the drive assembly transmission of transmission shaft 10 are connected, transmission shaft 10 sets up with the 5 coaxial lines of fixed axle, drive assembly drives rotatory shell 3 through transmission shaft 10 and carries out high-speed rotation, when rotatory shell 3 rotates at a high speed, tool.

The main gear 8 is fixedly arranged on one side of the fine adjustment mechanism 2 close to the rotating shell 3, the main gear 8 is attached to the fine adjustment mechanism 2, the main gear 8 and the fixed shaft 5 are arranged coaxially, the axis of the main gear 8 is parallel to the axis of the pinion 9, the pinion 9 is attached to the outer side of one end of the rotating shell 3, one end of the threaded rod 7 penetrates through the rotating shell 3 from inside to outside and is fixedly connected with the center of the pinion 9, the threaded rod 7 penetrates through the outer wall of one end of the rotating shell 3 and is provided with a pinion clamping strip 11, an inner ring of the pinion 9 is provided with a pinion clamping groove 12 which is sleeved on the outer side of the pinion clamping strip 11, the length of the pinion clamping strip 11 is larger than the thickness of the gear, one end of the threaded rod 7, which is positioned in the rotating shell 3, is connected with a first bearing 13, the first bearing 13 is embedded in one end of the rotating shell 3, which is far away from the pinion 9, and is fixedly inserted, the pinion 9 is fixedly connected to an end of the threaded rod 7 through its own sub-groove 12, and when the pinion 9 rotates, the threaded rod 7 can also rotate synchronously.

An auxiliary snap ring 14 is arranged on one side of the auxiliary gear 9 far away from the rotating shell 3, the auxiliary snap ring 14 is detachably sleeved on the outer side of one end of the threaded rod 7 penetrating through the auxiliary gear 9, a main snap ring 15 is arranged on one side of the main gear 8 close to the rotating shell 3, the main snap ring 15 is detachably sleeved on one end of the fine adjustment mechanism 2 close to the rotating shell 3, two ends of the main snap ring 15 are respectively attached to the main gear 8 and the rotating shell 3, the main snap ring 15 and the main gear 8 are coaxially arranged, the auxiliary gear 9 and the auxiliary snap ring 14 are coaxially arranged, the thickness of the main snap ring 15 is not smaller than that of the auxiliary gear 9, a sleeve 16 for fixedly sleeving the main gear 8 and the main snap ring 15 is arranged on the outer wall of the fine adjustment mechanism 2, when a cutting function is used, the main snap ring 15 is clamped between the main gear 8 and the rotating shell 3, the auxiliary snap ring 14 is clamped at the end of the threaded rod, the driving assembly drives the rotary shell 3 to rotate, cutting is carried out from the inner wall of a PP pipe, the cutter head 6 moves in the axial direction of the threaded rod 7 by rotating the pinion 9, so that the cutting length of the end part of the PP pipe is adjusted, when the spiral groove 29 needs to be processed, the main clamping ring 15 is peeled off, the main gear 8 is pushed downwards to be meshed with the pinion 9, the driving assembly drives the rotary shell 3 to rotate, the main gear 8 is fixed, the pinion 9 is meshed with the main gear 8, therefore, in the rotating process of the rotary shell 3, the pinion 9 is driven to rotate by the main gear 8, the threaded rod 7 is driven to rotate by the pinion 9, under the rotation of the threaded rod 7, the cutter head 6 cuts the inner wall of the PP pipe and moves at a constant speed in the axial direction of the threaded rod 7 at the same time, so that the spiral groove 29 is processed on the inner wall of the PP pipe.

Processing head 4 sets up the one end inboard that is close to pinion 9 at rotatory shell 3, processing head 4 is the cuboid structure and its thickness equals the opening width of rotatory shell 3, the length direction perpendicular to threaded rod 7's of processing head 4 axis direction, the pot head of processing head 4 is established in the threaded rod 7 outside, and this end is provided with a screw hole that supplies threaded rod 7 to pass, processing head 4 and threaded rod 7 screw-thread fit, thereby threaded rod 7's rotation can drive processing head 4 at its axial epaxial uniform velocity removal, thereby make tool bit 6 at its axial epaxial uniform velocity removal.

One end, far away from the threaded rod 7, of the machining head 4 is provided with a first accommodating groove 17 for accommodating the tool bit 6, the length direction of the first accommodating groove 17 is parallel to the length direction of the tool bit 6, a first spring 18 is arranged in the first accommodating groove 17, the axis direction of the first spring 18 is perpendicular to the axis direction of the threaded rod 7, two ends of the first spring 18 are respectively abutted against the tool bit 6 and the inner wall of the accommodating groove, the tool bit 6 extends out of the first accommodating groove 17 and extends towards the outside of the rotary shell 3, two first strip-shaped sliding holes 19 for communicating the inner side and the outer side of the first accommodating groove 17 are symmetrically arranged on the outer wall of the machining head 4, the two first strip-shaped sliding holes 19 are distributed at intervals in the axial direction of the threaded rod 7, the length directions of the two first strip-shaped sliding holes 19 are perpendicular to the axial direction of the threaded rod 7, and a first sliding rod 20 is fixedly, the axial direction of the first slide bar 20 is parallel to the axial direction of the threaded rod 7, two ends of the first slide bar 20 respectively penetrate through the two first strip-shaped slide holes 19 and extend outwards, two ends of the first slide bar 20 are fixedly clamped with a first limiting ring 21, and the cutter head 6 is directly contacted with the inner wall of the PP pipe under the interference of the first spring 18 to perform cutting.

The inner side of the rotating shell 3, which is far away from the processing head 4, is provided with a universal wheel 22, the universal wheel 22 is connected with the fixed shaft 5 through a mounting seat 23, the mounting seat 23 is of a cuboid structure, one end of the mounting seat 23 is fixedly sleeved on the outer wall of the fixed shaft 5, the thickness of the mounting seat 23 is equal to the opening width of the rotating shell 3, the length direction of the mounting seat 23 is perpendicular to the axis direction of the fixed shaft 5, one end of the mounting seat 23, which is far away from the fixed shaft 5, is provided with a second accommodating groove 24 for accommodating the universal wheel 22, a second spring 25 is arranged in the second accommodating groove 24, two ends of the second spring 25 are respectively abutted against the universal wheel 22 and the second accommodating groove 24, the universal wheel 22 extends out of the rotating shell 3 from the second accommodating groove 24 and extends to the outside of the rotating shell 3, the outer wall of the mounting seat 23 is symmetrically provided with two second strip-shaped sliding holes for communicating the, two ends of the second sliding rod respectively penetrate through the two second strip-shaped sliding holes and extend outwards, the two end fixing clamps of the second sliding rod are provided with second limiting rings, the universal wheel 22 is in contact with the inner wall of the PP pipe under the elastic action of the second spring 25, and the end part of the rotating shell 3 can rotate smoothly.

Each support leg 1 comprises a fixed column 26 clamped on the pipe wall of the PP pipe and a strip-shaped adjusting plate 27 extending into the fine adjustment mechanism 2, the axial direction of all the fixed columns 26 is parallel to the axial direction of the transmission shaft 10, the length direction of all the adjusting plates is perpendicular to the axial direction of the transmission shaft 10, one fixed end is fixedly connected with one end of the strip-shaped adjusting plate 27, a fixed notch 28 is arranged on the side wall of each fixed column 26, the fixed notches 28 extend to the tail end of the fixed column 26 in the direction away from the strip-shaped adjusting plate 27, all the fixed columns 26 are distributed with the transmission shaft 10 as the center and in a circumferential manner, one end of each strip-shaped adjusting plate 27 extending into the fine adjustment mechanism 2 is provided with a spiral groove 29, the spiral grooves 29 of all the strip-shaped adjusting plates 27 are concentrically arranged, and the three support legs 1 are clamped at the end part, the strip-shaped adjusting plate 27 is matched with the fine adjustment mechanism 2 through the spiral groove 29 at the end part to adjust the length of the strip-shaped adjusting plate 27 extending into the fine adjustment mechanism 2, so that the distance between the axis of the fixing column 26 and the axis of the PP pipe is adjusted to adapt to the PP pipe in a certain pipe diameter specification range.

Drive assembly handle shell 30, rotating electrical machines 31, one-level gear 32 and secondary gear 33 all set up inside handle shell 30, the number of teeth of one-level gear 32 is greater than secondary gear 33's number of teeth, rotating electrical machines 31's output shaft and one-level gear 32 fixed connection, one-level gear 32 and secondary gear 33 intermeshing, transmission shaft 10 passes handle shell 30 and secondary gear 33 fixed connection, rotating electrical machines 31 drives secondary gear 33 through one-level gear 32 and rotates at a high speed, thereby secondary gear 33 drives rotatory shell 3 high-speed rotations through transmission shaft 10, the number of teeth of one-level gear 32 is greater than secondary gear 33's number of teeth, it can reach higher rotational speed to have guaranteed that secondary gear 33.

The driving assembly comprises a hand rocker 34, the hand rocker 34 is fixedly connected with the transmission shaft 10, and manual operation can be performed through the hand rocker 34.

The fine adjustment mechanism 2 comprises a bottom plate 36, a top plate 37, a limit frame 38 and a locking component 39, wherein the top of the bottom plate 36 is provided with an accommodating cavity 40 for accommodating the limit frame 38 and the locking component 39, the top plate 37 and the bottom plate 36 are both of a circular structure, the top plate 37 can be rotatably connected with the bottom plate 36, the bottom of the top plate 37 is provided with a spiral bulge 41 which can be accommodated in a spiral groove 29 of a strip-shaped adjusting plate 27, the spiral bulge is coaxially arranged with the top plate 37, the center of the bottom of the accommodating cavity 40 is provided with a first shaft sleeve 57, the center of the bottom of the top plate 37 is provided with a second shaft sleeve 42 which can be inserted into the inner side of the shaft sleeve, the limit frame 38 is sleeved on the outer side of the first shaft sleeve 57, the outer side of the second shaft sleeve 42 is also provided with a third shaft sleeve 43, the locking component 39 is locked with, the axis of locking part 39 is perpendicular to the axis of roof 37, first axle sleeve 57, second axle sleeve 42 and third axle sleeve 43 coaxial line set up, when the distance between adjustment fixed column 26 axis and the PP pipe axis, only need to rotate roof 37, roof 37 rotates the spiral lug boss that makes its bottom also and follows the rotation, when the part that spiral lug boss position is in spiral groove 29 of bar regulating plate 27 rotated, make bar regulating plate 27 keep away from or be close to the PP pipe axis, thereby adjust the distance between three fixed column 26 axes and the PP pipe axis, PP pipe with the adaptation pipe diameter difference.

Spacing frame 38 sets up in the bottom that holds chamber 40 and its center department cover is established on the outer wall of first axle sleeve 57, spacing frame 38 includes the gliding slide 44 of three confession bar regulating plate 27 tip, the position that corresponds three slide 44 on the chamber wall that holds chamber 40 is provided with the gliding breach 45 that holds in three confession bar regulating plate 27 middle part, the length of first axle sleeve 57 is greater than spacing frame 38's thickness, spacing frame 38's up end flushes with the bottom that holds breach 45, spacing frame 38 and bottom plate 36 coaxial line, slide 44 and holding breach 45 have guaranteed that the bar connecting plate can only move in the length reversal of slide 44.

The outer diameter of the second shaft sleeve 42 is equal to the inner diameter of the first shaft sleeve 57, the axes of the first shaft sleeve 57, the second shaft sleeve 42 and the third shaft sleeve 43 are perpendicular to the axis of the top plate 37, an annular flange 46 is integrally formed on the outer wall of the second shaft sleeve 42, an annular groove 58 for clamping the annular flange 46 is formed in the inner wall of the first shaft sleeve 57, the annular flange 46 is clamped in the annular groove 58 to connect the top plate 37 and the bottom plate 36, and the top plate 37 can rotate relative to the bottom plate 36.

The diameter of the third shaft sleeve 43 is larger than that of the second shaft sleeve 42, the inner diameter of the third shaft sleeve 43 is equal to that of the limiting frame 38, the bottom of the third shaft sleeve 43 is attached to the top of the limiting frame 38, the length of the third shaft sleeve 43 is smaller than that of the second shaft sleeve 42, the length of the first shaft sleeve 57 is equal to that of the second shaft sleeve 42, and the upper half part of the first shaft sleeve 57 is located between the second shaft sleeve 42 and the third shaft sleeve 43.

Be provided with the latch 47 that the round supplied locking part 39 joint on the outer cylinder wall of third axle sleeve 43, all latch 47 all are at the circumferencial direction interval distribution of the outer cylinder wall of third axle sleeve 43, and the tip that locks the part is inserted to distance homoenergetic between per two adjacent latches 47.

The locking component 39 comprises a cylindrical shell 48, a locking spring 49 and a locking rod 50, the cylindrical shell 48 is fixedly arranged on the cylindrical wall of the bottom plate 36, the cylindrical shell 48 extends from the outer wall of the bottom plate 36 to the inside of the accommodating cavity 40, the length of the cylindrical shell 48 is smaller than the diameter of the bottom plate 36, the axial direction of the cylindrical shell 48 is the same as the radial direction of the bottom plate 36, the locking spring 49 and the locking rod 50 are both arranged inside the cylindrical shell 48, two ends of the locking spring 49 respectively abut against the inner wall of the cylindrical shell 48 and the locking rod 50, one end of the locking rod 50 extends to the outer side of the bottom plate 36, the other end of the locking rod 50 is inserted between two corresponding latch teeth 47, the locking rod 50 is pulled outwards and presses the locking spring 49, the locking rod 50 is far away from the.

The locking component 39 is positioned above the limiting frame 38, the length of the cylindrical shell 48 is smaller than the radius of the bottom plate 36, the inner diameter of the cylindrical shell 48 is equal to the diameter of the locking rod 50, one end of the locking rod 50 extends out of the cylindrical shell 48 and extends towards the direction of the latch 47, the other end of the locking rod 50 is fixedly connected with a pull rod 51, the diameter of the rail rod is smaller than the diameter of the locking rod 50, one end of the pull rod 51 penetrates through the locking spring 49 and extends towards the outside of the cylindrical shell 48, one end, away from the locking rod 50, of the pull rod 51 is connected with an anti-skidding knob 52, the anti-skidding knob 52 is abutted against the outer cylindrical wall of the bottom plate 36, one end, extending towards the latch 47, of the locking rod 50 is provided with a slope structure 53 against the latch 47, when the top plate 37 is rotated, one circle of latch 47 at the bottom of the locking, and enters between the next two latches 47, the end of the locking lever 50 except the ramp structure 53 cannot be jacked up by the latches 47, and locking is accomplished to prevent the top plate 37 from rotating.

The outer wall of the anti-slip knob 52 is provided with a direction bar 54 for indicating the position of the inclined surface structure 53, the anti-slip knob 52 is pulled and rotated, and the direction of the inclined surface structure 53 is adjusted according to the direction bar 54, so that the forward rotation locking or the reverse rotation locking of the top plate 37 is realized.

An upper bearing 55 connected with the transmission shaft 10 is embedded in the center of the top plate 37, and the inner ring of the upper bearing 55 is fixedly connected with the transmission shaft 10, so that the transmission shaft 10 can rotate smoothly.

The bottom center of the bottom plate 36 is embedded with a lower bearing 56 connected with the transmission shaft 10, and the inner ring of the lower bearing 56 is fixedly connected with the transmission shaft 10, so that the transmission shaft 10 can smoothly rotate.

The working principle is as follows: when the cutting machine is used, the three supporting legs 1 are clamped at the end part of a PP pipe through the self fixing notches 28, the strip-shaped adjusting plate 27 is matched with the fine adjustment mechanism 2 through the spiral groove 29 at the end part to adjust the length of the strip-shaped adjusting plate 27 extending into the fine adjustment mechanism 2, so that the distance between the axis of the fixing column 26 and the axis of the PP pipe is adjusted to adapt to the PP pipe within a certain pipe diameter specification range, the rotary motor 31 drives the secondary gear 33 to rotate at high speed through the primary gear 32, the secondary gear 33 drives the rotary shell 3 to rotate at high speed through the transmission shaft 10, when the cutting function is used, the main clamping ring 15 is clamped between the main gear 8 and the rotary shell 3, the auxiliary clamping ring 14 is clamped at the end part of the threaded rod 7, the main gear 8 is separated from the auxiliary gear 9, the driving component drives the rotary shell 3 to rotate, the cutting is carried out from the inner wall of the PP pipe, the cutter head 6, therefore, the cutting length of the end part of the PP pipe is adjusted, when the spiral groove 29 needs to be processed, the main clamp ring 15 is peeled off, the main gear 8 is pushed downwards to be meshed with the pinion gear 9, the driving assembly drives the rotary shell 3 to rotate, the main gear 8 is fixed, the pinion gear 9 is meshed with the main gear 8, therefore, in the rotating process of the rotary shell 3, the pinion gear 9 is driven to rotate by the main gear 8, the threaded rod 7 is driven to rotate by the pinion gear 9, the cutter head 6 cuts the inner wall of the PP pipe and moves at a constant speed in the axial direction of the threaded rod 7 under the rotation of the threaded rod 7, so that the spiral groove 29 is processed on the inner wall of the PP pipe, manual operation can be carried out through the hand-operated rod 34, when the distance between the axis of the fixed column 26 and the axis of the PP pipe is adjusted by using the fine adjustment mechanism 2, only the top plate 37 needs to be rotated, the spiral bulge part at the bottom of the, when the part of the spiral protruding part in the spiral groove 29 of the strip-shaped adjusting plate 27 rotates, the strip-shaped adjusting plate 27 is far away from or close to the axis of the PP pipe, so that the distance between the axes of the three fixing columns 26 and the axis of the PP pipe is adjusted to adapt to the PP pipe with different pipe diameters, when the top plate 37 is rotated, a circle of latch 47 at the bottom of the top plate sequentially props against the locking rod 50 through the inclined surface structure 53, the locking rod 50 extrudes the locking spring 49, the locking rod 50 is extruded from two adjacent latch 47 and enters between the next two latch 47, the part of the end part of the locking rod 50 except the inclined surface structure 53 cannot be jacked up by the latch 47, the locking is completed, the top plate 37 is prevented from rotating, the anti-skidding knob 52 is pulled and rotated, meanwhile, the orientation of the inclined surface structure.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. The utility model provides a fine-tuning of portable processingequipment of heavy-calibre PP pipe which characterized in that: the fine adjustment mechanism comprises a bottom plate (36), a top plate (37), a limiting frame (38) and a locking component (39), wherein the top of the bottom plate (36) is provided with an accommodating cavity (40) for accommodating the limiting frame (38) and the locking component (39), the top plate (37) and the bottom plate (36) are both of a circular structure, the top plate (37) can be rotatably connected with the bottom plate (36), the bottom of the top plate (37) is provided with a spiral bulge (41) which is coaxially arranged with the top plate (37), the bottom center of the accommodating cavity (40) is provided with a first shaft sleeve (57), the bottom center of the top plate (37) is provided with a second shaft sleeve (42) which can be inserted into the inner side of the shaft sleeve, the limiting frame (38) is sleeved on the outer side of the first shaft sleeve (57), the outer side of the second shaft sleeve (42) is also provided with a third shaft sleeve (43), and the locking component (39) is in locking fit with the, the top plate (37) and the bottom plate (36) are parallel to each other and coaxially arranged, the axis of the locking component (39) is perpendicular to the axis of the top plate (37), and the first shaft sleeve (57), the second shaft sleeve (42) and the third shaft sleeve (43) are coaxially arranged; spacing frame (38) set up in the bottom that holds chamber (40) and its center department cover establish on the outer wall of first axle sleeve (57), spacing frame (38) include three slide (44), the position that corresponds three slide (44) on the chamber wall that holds chamber (40) is provided with three and holds breach (45), the length of first axle sleeve (57) is greater than the thickness of spacing frame (38), the up end of spacing frame (38) flushes with the bottom that holds breach (45), spacing frame (38) and bottom plate (36) coaxial line.

2. The fine-tuning mechanism of the large-caliber PP pipe portable processing device according to claim 1, wherein: the external diameter of second axle sleeve (42) equals the internal diameter of first axle sleeve (57), and the axis of first axle sleeve (57), second axle sleeve (42) and third axle sleeve (43) all is perpendicular to the axis of roof (37), and integrated into one piece is provided with an annular flange (46) on the outer wall of second axle sleeve (42), is provided with an annular groove (58) that supplies annular flange (46) joint on the inner wall of first axle sleeve (57).

3. The fine-tuning mechanism of the large-caliber PP pipe portable processing device according to claim 2, wherein: the diameter of the third shaft sleeve (43) is larger than that of the second shaft sleeve (42), the inner diameter of the third shaft sleeve (43) is equal to that of the limiting frame (38), the bottom of the third shaft sleeve (43) is attached to the top of the limiting frame (38), the length of the third shaft sleeve (43) is smaller than that of the second shaft sleeve (42), the length of the first shaft sleeve (57) is equal to that of the second shaft sleeve (42), and the upper half part of the first shaft sleeve (57) is located between the second shaft sleeve (42) and the third shaft sleeve (43).

4. The fine-tuning mechanism of the large-caliber PP pipe portable processing device according to claim 3, wherein: the outer cylinder wall of third axle sleeve (43) is provided with latch (47) that the round supplied locking part (39) joint, and all latch (47) are all at the circumferencial direction interval distribution of the outer cylinder wall of third axle sleeve (43), and the distance between every two adjacent latch (47) all can hold the tip that locks the part and insert.

5. The fine-tuning mechanism of the large-caliber PP pipe portable processing device according to claim 4, wherein: the locking part (39) comprises a cylindrical shell (48), a locking spring (49) and a locking rod (50), the cylindrical shell (48) is fixedly arranged on the cylindrical wall of the bottom plate (36), the cylindrical shell (48) extends from the outer wall of the bottom plate (36) to the inside of the accommodating cavity (40), the length of the cylindrical shell (48) is smaller than the diameter of the bottom plate (36), the axial direction of the cylindrical shell (48) is the same as the radial direction of the bottom plate (36), the locking spring (49) and the locking rod (50) are both arranged in the cylindrical shell (48), two ends of the locking spring (49) respectively abut against the inner wall of the cylindrical shell (48) and the locking rod (50), one end of the locking rod (50) extends to the outer side of the bottom plate (36), and the other end of the locking rod is inserted between two corresponding clamping teeth (47).

6. The fine-tuning mechanism of the large-caliber PP pipe portable processing device according to claim 5, wherein: the locking part (39) is located above the limiting frame (38), the length of the cylindrical shell (48) is smaller than the radius of the bottom plate (36), the inner diameter of the cylindrical shell (48) is equal to the diameter of the locking rod (50), one end of the locking rod (50) stretches out of the cylindrical shell (48) and extends towards the direction of the latch (47), the other end of the locking rod is fixedly connected with a pull rod (51), the diameter of the rail is smaller than the diameter of the locking rod (50), one end of the pull rod (51) penetrates through the locking spring (49) and extends towards the outside of the cylindrical shell (48), one end, far away from the locking rod (50), of the pull rod (51) is connected with an anti-skidding knob (52), the anti-skidding knob (52) is abutted against the outer cylindrical wall of the bottom plate (36), and one end, stretching towards the latch (47), of the locking rod (50) is provided with an inclined surface structure.

7. The fine-tuning mechanism of the large-caliber PP pipe portable processing device according to claim 6, wherein: and a pointing bar (54) for indicating the position of the inclined plane structure (53) is arranged on the outer wall of the anti-skid knob (52).

8. The fine-tuning mechanism of the large-caliber PP pipe portable processing device according to claim 7, wherein: an upper bearing (55) is embedded in the center of the top plate (37).

9. The fine-tuning mechanism of the large-caliber PP pipe portable processing device according to claim 8, wherein: a lower bearing (56) is embedded in the center of the bottom plate (36).