CN113276211B

CN113276211B - Pipe wall punching device for PVC pipe and application thereof

Info

Publication number: CN113276211B
Application number: CN202110576838.5A
Authority: CN
Inventors: 杨长松; 杨丰宁
Original assignee: Hunan Tongtong New Material Technology Co ltd
Current assignee: Hunan Tongtong New Material Technology Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-08-02
Anticipated expiration: 2041-05-26
Also published as: CN113276211A

Abstract

The invention discloses a pipe wall punching device for a PVC pipe, which comprises a support ring, a plurality of holding pieces, a guide piece and a punching assembly, wherein the support ring is circular, a sliding groove is formed in the side wall of the support ring, each holding piece comprises a first fixing plate, a sliding block, a holding piece, a first positioning screw rod and a first positioning nut, one end of the first fixing plate is fixed on the support ring, the other end of the first fixing plate is connected with the holding piece, position scales used for indicating the position of the sliding block are arranged on the first fixing plate, a first sliding hole with the length direction along the radial direction of the support ring is formed in the first fixing plate, one end of the first positioning screw rod is connected with the sliding block, the other end of the first positioning screw rod is matched with the first positioning nut after penetrating through the first sliding hole, the guide piece comprises a second sliding block, a second fixing plate and a third sliding block, and the second sliding block and the third sliding block are respectively fixed at two ends of the second fixing plate. Compared with the prior art, the invention can conveniently realize the punching of the pipe wall. The invention also provides application of the PVC pipe wall punching device.

Description

Pipe wall punching device for PVC pipe and application thereof

Technical Field

The invention relates to a pipe wall punching device, in particular to a pipe wall punching device for a PVC pipe and application thereof.

Background

A PVC pipe (PVC-U pipe) is a pipe made of PVC resin, stabilizer and lubricant through hot-pressing and shaping, and features high anticorrosion power, easy adhesion, low cost and high hardness. In the prior art, the actual condition of carrying is considered, and the length that the pipeline was laid generally all has the requirement, consequently often need connect the PVC pipe, and common PVC pipe connection mode has socket joint to connect, but current connection structure can not guarantee structural flatness and joint strength's compromise. In view of this, the applicant provides a connection structure of PVC pipes, which needs to be punched during installation, and the existing punching equipment is not convenient enough. In view of the above, the inventors of the present application have made intensive studies to obtain a tube wall punching device for PVC tubes and an application thereof.

Disclosure of Invention

The invention aims to provide a PVC pipe wall punching device which can conveniently punch a pipe wall, and the invention also aims to provide application of the PVC pipe wall punching device.

The technical purpose of the invention is realized by the following technical scheme:

a pipe wall perforating device for PVC pipes comprises a support ring, a plurality of holding pieces, a guide piece and a perforating assembly, wherein the support ring is circular, a chute is formed in the side wall of the support ring, each holding piece comprises a first fixing plate, a slider, a holding piece, a first positioning screw and a first positioning nut, one end of the first fixing plate is fixed to the support ring, the other end of the first fixing plate is connected with the holding piece, the first fixing plate is parallel to the plane where the support ring is located, position scales used for indicating the position of the slider are arranged on the first fixing plate, a first sliding hole with the radial direction of the support ring is formed in the first fixing plate, one end of the first positioning screw is connected with the slider, the other end of the first positioning screw penetrates through the first sliding hole and then is matched with the first positioning nut, and the plurality of holding pieces are uniformly distributed around the circumference of the support ring, the guide piece includes second sliding block, second fixed plate and third sliding block, the second sliding block with the third sliding block is fixed in respectively the both ends of second fixed plate, the second sliding block with the third sliding block with the spout cooperatees, be equipped with length direction on the second fixed plate and be on a parallel with the second sliding block with the second slide opening of third sliding block line direction, the subassembly that punches includes slide, drilling motor and drill bit, the middle part of slide is equipped with the waist of volume shrink, the waist spacing in the second slide opening, and can follow the second slide opening slides, the drilling motor install in on the slide, the drill bit install in on the drive shaft of drilling motor, be equipped with on the support ring and be used for instructing the scale of second fixed plate position.

In a preferred embodiment, the side of the grip tab adjacent to the support ring is provided with a rubber non-slip mat.

In a preferred embodiment, the punching device further comprises an opening and closing bar and an opening and closing bolt, a slot is formed in the side wall of the second sliding hole along the length direction of the second sliding hole, the opening and closing bar is arranged in the slot, an opening and closing screw hole is formed in the opening and closing bar, the opening and closing bolt is matched with the opening and closing screw hole, an opening and closing groove is formed in the side portion of the waist of the sliding seat, and the opening and closing bar moves between the opening and closing groove and the slot by means of the opening and closing bolt.

In a preferred embodiment, the drill head comprises a first drill rod and a second drill rod, the root end of the second drill rod being connected to the tip end of the first drill rod, the second drill rod being thinner than the first drill rod, the length of the second drill rod being set to 0.2mm-0.5 mm.

The application of the PVC pipe wall punching device is applied to connection of a PVC pipe connecting structure, the PVC pipe connecting structure comprises a first pipe fitting, a second pipe fitting and a connecting piece, the connecting piece comprises a connecting pipe and a plurality of positioning insertion rods, a convex ring coaxial with the connecting pipe is arranged in the middle of the inner wall of the connecting pipe, one end of the first pipe fitting is inserted into the connecting pipe and abuts against one side part of the convex ring, one end of the second pipe fitting is inserted into the connecting pipe and abuts against the other side part of the convex ring, a plurality of first insertion holes and a plurality of second insertion holes are formed in the inner wall of the connecting pipe, the circumferences of the plurality of first insertion holes are uniformly distributed on one side, close to the first pipe fitting, of the convex ring, the circumferences of the plurality of second insertion holes are uniformly distributed on one side, close to the second pipe fitting, a plurality of first through holes are formed in the first pipe fitting and in one-to-one correspondence with the plurality of first insertion holes, each first jack in the plurality of first jacks is inserted after being penetrated through one first through hole by one positioning insertion rod, the second pipe fitting is provided with a plurality of second through holes which are arranged in one-to-one correspondence with the plurality of second jacks, each second jack in the plurality of second jacks is inserted after being penetrated through one second through hole by one positioning insertion rod, the inner walls of the first pipe fitting, the second pipe fitting and the convex ring are flushed, the inner wall of the convex ring is provided with a plurality of positioning holes which are distributed in a circumferential manner, the inner wall of the connecting pipe and the two side walls of the convex ring are provided with a plurality of annular metal sheets, the end part of the positioning insertion rod is provided with a plurality of flaps, connecting sheets for connecting the two adjacent flaps in the plurality of flaps are arranged between the two adjacent flaps, a containing cavity is formed between the plurality of flaps, and strong glue is contained in the containing cavity, the bottom of the first jack is provided with a first guide cone, the bottom of the second jack is provided with a second guide cone, after the positioning inserted bar is inserted into the first jack or the second jack, the first guide cone or the second guide cone separates the plurality of petals, the connecting sheet is made of rubber materials, the outer side part of each petal is provided with an elastic sheet, one end of each elastic sheet is connected to the petal, the other end of each elastic sheet abuts against the outer side wall of the first through hole or the outer side wall of the second through hole, the aperture of the first jack is larger than that of the first through hole, the aperture of the second jack is larger than that of the second through hole, the inner side edge of the first through hole is provided with a first clamping groove and a second clamping groove which are in a long strip shape, the first clamping groove and the second clamping groove are in a collinear shape and are parallel to the central axis of the first pipe fitting, the inner side edge of the second through hole is provided with a third clamping groove and a fourth clamping groove which are in a long strip shape, the third draw-in groove with the fourth draw-in groove collineation, and be on a parallel with the central axis of second pipe fitting, the both sides of location inserted bar are equipped with first card strip and second card strip, first card strip be used for with first draw-in groove with the third draw-in groove cooperatees, the second card strip be used for with the second draw-in groove with the fourth draw-in groove cooperatees.

Compared with the prior art, the pipe wall punching device for the PVC pipe is structurally characterized in that when the device works, a pipe fitting to be punched is firstly tightly held by the holding piece, specifically, the position of each holding piece is adjusted to enable each holding piece to hold the outer wall of the pipe fitting, then the angle of the second fixing plate is adjusted by the second sliding block and the third sliding block, after the angle is adjusted in place, the drilling motor is started, the drilling motor drives the drill bit to rotate, the drill bit is enabled to be close to the pipe wall or far away from the pipe wall by means of the sliding effect of the sliding seat in the second sliding hole, the drilling work is realized, after one hole is punched, the second fixing plate is rotated to open the next hole, and therefore, multiple holes can be conveniently opened.

Drawings

FIG. 1 is a schematic structural diagram of a first view angle of a pipe wall perforating device for PVC pipes.

FIG. 2 is a schematic structural diagram of a second view angle of the pipe wall perforating device for PVC pipes according to the present invention.

FIG. 3 is a schematic diagram of the related matching structure of the opening and closing strip of the PVC pipe wall perforating device.

FIG. 4 is a schematic diagram of the related structure of the second sliding block of the PVC pipe wall perforating device according to the present invention.

FIG. 5 is a schematic structural diagram of a connection structure applied to a pipe wall perforating device for PVC pipes.

Fig. 6 is an enlarged schematic view of a portion a of fig. 4.

FIG. 7 is a schematic diagram of a matching structure of a first jack, a first through hole and a corresponding positioning inserted rod of a connecting structure applied to a PVC pipe wall perforating device.

FIG. 8 is a schematic structural diagram of a positioning inserted rod of a connecting structure applied to a PVC pipe wall perforating device.

In the drawings

A support ring 1 c; a chute 0 c; an abutting groove 2 c; a first fixing plate 3 c; a first slide hole 4 c; a slider 5 c; a grip sheet 6 c; a first positioning screw 7 c; a first positioning nut 8 c; a second slider 9 c; a placement groove 10 c; a biasing spring 11 c; an abutting block 12 c; a second fixing plate 13 c; a second slide hole 14 c; a slot 15 c; a third slider 16 c; a slider 17 c; a waist portion 18 c; a shutter groove 19 c; a drilling motor 20 c; an opening and closing bar 21 c; an open-close bolt 22 c; a first drill rod 23 c; a second drill pipe 24 c; a first pipe member 1 a; a first through-hole 2 a; a first card slot 3 a; a second card slot 4 a; a second pipe member 5 a; a second through hole 6 a; a connecting pipe 7 a; a first insertion hole 8 a; a first guide cone 9 a; a convex ring 10 a; positioning holes 11 a; a positioning plunger 12 a; a first clip strip 13 a; a second card strip 14 a; the flaps 15 a; a spring piece 16 a; the connection sheet 17 a; accommodating chamber 18 a.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

As shown in fig. 1 to 4, a pipe wall punching device for a PVC pipe comprises a support ring 1c, a plurality of clasping members, a guide member and a punching assembly, wherein the support ring 1c is configured to be circular, a sliding groove 0c is formed in a side wall of the support ring 1c, each clasping member comprises a first fixing plate 3c, a sliding block 5c, a clasping sheet 6c, a first positioning screw 7c and a first positioning nut 8c, one end of the first fixing plate 3c is fixed on the support ring 1c, the other end of the first fixing plate is connected with the clasping sheet 6c, the first fixing plate 3c is parallel to a plane where the support ring 1c is located, a position scale for indicating a position of the sliding block 5c is arranged on the first fixing plate 3c, a first sliding hole 4c with a length direction along a radial direction of the support ring 1c is arranged on the first fixing plate 3c, one end of the first positioning screw 7c is connected with the sliding block 5c, the other end of the plurality of holding members penetrates through the first sliding hole 4c and then is matched with the first positioning nut 8c, the holding members are uniformly distributed around the circumference of the supporting ring 1c, the guide member comprises a second sliding block 9c, a second fixing plate 13c and a third sliding block 16c, the second sliding block 9c and the third sliding block 16c are respectively fixed at two ends of the second fixing plate 13c, the second sliding block 9c and the third sliding block 16c are matched with the sliding chute 0c, a second sliding hole 14c with the length direction parallel to the connecting line direction of the second sliding block 9c and the third sliding block 16c is arranged on the second fixing plate 13c, the punching assembly comprises a sliding seat 17c, a drilling motor 20c and a drill bit, a waist part 18c with a contracted volume is arranged in the middle part of the sliding seat 17c, and the waist part 18c is limited in the second sliding hole 14c, and can slide along the second slide hole 14c, the drilling motor 20c is mounted on the slide carriage 17c, the drill is mounted on the driving shaft of the drilling motor 20c, and the support ring 1c is provided with scales for indicating the position of the second fixing plate 13 c.

According to the pipe wall punching device for the PVC pipe, provided by the invention, under the structural arrangement, when the device works, a pipe fitting to be punched is firstly tightly held by the holding piece, specifically, the position of each holding piece 6c is adjusted, so that each holding piece 6c holds the outer wall of the pipe fitting, then the angle of the second fixing plate 13c is adjusted by the second sliding block 9c and the third sliding block 16c, after the angle is adjusted in place, the drilling motor 20c is started, the drilling motor 20c drives the drill bit to rotate, the drill bit is close to the pipe wall or far away from the pipe wall by virtue of the sliding action of the sliding seat 17c in the second sliding hole 14c, the drilling work is realized, after one hole is punched, the second fixing plate 13c is rotated, the next hole is punched, and therefore, the punching of a plurality of holes can be conveniently realized.

Corresponding damping should be arranged between the second sliding block 9c and the third sliding block 16c and the sliding groove 0c, so that the second fixing plate 13c can be accurately positioned and can be kept stable in the working process, or a mounting groove 10c is arranged at the bottom of the second sliding block 9c and the third sliding block 16c, a propping spring 11c and a propping block are arranged in the mounting groove 10c, the bottom of the propping block is arranged to be a spherical surface, and meanwhile, a plurality of propping grooves 2c matched with the propping block are arranged at the bottom of the sliding groove 0c, so that the second sliding block 9c and the third sliding block 16c are positioned, and the second fixing plate 13c is positioned, and can stably work.

In order to achieve a good holding effect, a rubber anti-slip pad is arranged on the side surface of the holding sheet 6c close to the support ring 1 c.

Further, the punching device further comprises an opening and closing strip 21c and an opening and closing bolt 22c, a slot 15c is formed in the side wall of the second sliding hole 14c along the length direction of the second sliding hole, the opening and closing strip 21c is arranged in the slot 15c, an opening and closing screw hole is formed in the opening and closing strip 21c, the opening and closing bolt 22c is matched with the opening and closing screw hole, an opening and closing groove 19c is formed in the side portion of the waist portion 18c of the sliding seat 17c, and the opening and closing strip 21c moves between the opening and closing groove 19c and the slot 15c through the opening and closing bolt 22 c. When the opening and closing strip 21c is completely slotted in the slot 15c, the sliding seat 17c can slide in the direction perpendicular to the second sliding hole 14c, and when the opening and closing strip 21c enters the opening and closing slot 19c, the sliding seat 17c can only move parallel to the second sliding hole 14c, so that convenience is provided for opening the first clamping groove 3a, the second clamping groove 4a, the third clamping groove and the fourth clamping groove.

Further, the drill includes a first drill rod 23c and a second drill rod 24c, a root end of the second drill rod 24c is connected to a tip end of the first drill rod 23c, the second drill rod 24c is thinner than the first drill rod 23c, and a length of the second drill rod 24c is set to be 0.2mm to 0.5 mm. In the process of punching, firstly, the drill bit is made to move in the direction parallel to the second slide hole 14c, the first through hole 2a or the second through hole 6a is formed, then the drill bit is withdrawn, the first clamping groove 3a and the second clamping groove 4a or the third clamping groove and the fourth clamping groove are formed, the first clamping groove 3a, the second clamping groove 4a, the third clamping groove and the fourth clamping groove are formed by the second drill rod 24c, and when the first clamping groove 3a, the second clamping groove 4a, the third clamping groove and the fourth clamping groove are formed, the slide seat 17c can move in the direction perpendicular to the second slide hole 14 c.

An application of a PVC pipe wall punching device is applied to connection of a PVC pipe connecting structure, as shown in FIGS. 4 to 8, the PVC pipe connecting structure comprises a first pipe fitting 1a, a second pipe fitting 5a and a connecting piece, the connecting piece comprises a connecting pipe 7a and a plurality of positioning insertion rods 12a, a convex ring 10a coaxial with the connecting pipe 7a is arranged in the middle of the inner wall of the connecting pipe 7a, one end of the first pipe fitting 1a is inserted into the connecting pipe 7a and abuts against one side of the convex ring 10a, one end of the second pipe fitting 5a is inserted into the connecting pipe 7a and abuts against the other side of the convex ring 10a, a plurality of first insertion holes 8a and a plurality of second insertion holes are formed in the inner wall of the connecting pipe 7a, the plurality of first insertion holes 8a are circumferentially and uniformly distributed on one side, close to the first pipe fitting 1a, of the convex ring 10a, the plurality of second jacks are circumferentially and uniformly distributed on one side, close to the second pipe fitting 5a, of the convex ring 10a, a plurality of first through holes 2a are formed in the first pipe fitting 1a, the first through holes are arranged in a one-to-one correspondence with the first jacks 8a, each first jack 8a in the first jacks 8a is inserted after the positioning inserted rod 12a penetrates one of the first through holes 2a, a plurality of second through holes 6a are formed in the second pipe fitting 5a, the second through holes are arranged in a one-to-one correspondence with the second jacks, each second jack in the second jacks is inserted after the positioning inserted rod 12a penetrates one of the second through holes 6a, and the inner walls of the first pipe fitting 1a, the second pipe fitting 5a and the convex ring 10a are flush.

According to the PVC pipe connecting structure, under the structural arrangement, the inner walls of the first pipe fitting 1a, the second pipe fitting 5a and the convex ring 10a are flush, namely, the connecting part of the first pipe fitting 1a and the second pipe fitting 5a is also flat, and in the long-term use process, sundries cannot be deposited due to uneven structure, so that on one hand, the blockage of the sundries is avoided, and on the other hand, the phenomenon that the deposited sundries burden the connecting structure of a pipeline and influence the stability of the connecting structure is avoided; set up location inserted bar 12a on this basis, location inserted bar 12a alternates in first through-hole 2a and first jack 8a, or in second through-hole 6a and the second jack, the location inserted bar 12a that alternates in first through-hole 2a and first jack 8a realizes that first pipe fitting 1a and connecting pipe 7 a's connection is fixed, the location inserted bar 12a that alternates in second through-hole 6a and second jack realizes that second pipe fitting 5a and connecting pipe 7 a's connection is fixed, thereby can effectively strengthen connection structure's structural strength, effectively guarantee connection structure's stability.

The PVC pipe wall punching device is used for forming a first through hole 2a and a second through hole 6a on a first pipe fitting 1a and a second pipe fitting 5 a.

In order to mount the positioning inserted rod 12a, a special tool is used for mounting, a plurality of positioning holes 11a distributed circumferentially are arranged on the inner wall of the convex ring 10a, and the plurality of positioning holes 11a are used for positioning the special tool so that the special tool can be accurately positioned on a working position.

In order to effectively improve the sealing performance of the connection structure, a plurality of annular metal sheets are arranged on the inner wall of the connection pipe 7a and two side walls of the convex ring 10 a. After the positioning insertion rod 12a is installed, the energized solenoid is sleeved on the connecting structure, so that the metal sheet generates heat, substances nearby the metal sheet are melted by the heat-generating metal sheet, gaps between the first pipe fitting 1a and the connecting pipe 7a and between the second pipe fitting 5a and the connecting pipe 7a are sealed, and the stability of the connecting structure is effectively improved.

In order to further improve the stability of the connection structure, the end of the positioning insertion rod 12a is provided with a plurality of flaps 15a, a connecting sheet 17a for connecting the two flaps is arranged between two adjacent flaps 15a in the plurality of flaps 15a, a containing cavity 18a is formed between the plurality of flaps 15a, strong glue is contained in the containing cavity 18a, the bottom of the first insertion hole 8a is provided with a first guide cone 9a, the bottom of the second insertion hole is provided with a second guide cone, and when the positioning insertion rod 12a is inserted into the first insertion hole 8a or behind the second insertion hole, the first guide cone 9a or the second guide cone separates the plurality of flaps 15 a. When the positioning inserted bar 12a is not installed, the plurality of flaps 15a are hermetically connected by the connecting sheet 17a, and the accommodating cavity 18a is a sealed cavity, during the process that the positioning inserted bar 12a is gradually inserted into the first through hole 2a and the first insertion hole 8a, or gradually inserted into the second through hole 6a and the second insertion hole, due to the action of the first guide cone 9a or the second guide cone, the connecting sheet 17a is torn, the accommodating cavity 18a is broken, the strong glue in the accommodating cavity 18a flows out, the space of the first insertion hole 8a or the second insertion hole is filled, and the first pipe member 1a and the first connecting pipe 7a or the second pipe member 5a and the second connecting pipe 7a are connected, so that the structural stability and the sealing performance of the connecting structure are further enhanced.

Specifically, the connecting sheet 17a is made of a rubber material.

In order to further improve the stability of the structure, an elastic sheet 16a is arranged at the outer side part of the flap 15a, one end of the elastic sheet 16a is connected to the flap 15a, the other end of the elastic sheet abuts against the outer side wall of the first through hole 2a or the second through hole 6a, the aperture of the first insertion hole 8a is larger than that of the first through hole 2a, and the aperture of the second insertion hole is larger than that of the second through hole 6 a. In the process that the positioning inserted bar 12a is gradually inserted into the first jack 8a or the second jack, the elastic sheet 16a gradually enters the first jack 8a or the second jack and finally completely enters the first jack 8a or the second jack, and after the elastic sheet enters the first jack 8a or the second jack, the elastic sheet 16a bounces off by means of the deformation recovery capability of the elastic sheet 16a, so that the positioning inserted bar 12a is limited in the first jack 8a or the second jack and cannot exit, and the structural strength is effectively improved.

In order to further promote structural strength, be equipped with the first draw-in groove 3a and the second draw-in groove 4a of rectangular shape on the inboard border of first through-hole 2a, first draw-in groove 3a with the collineation of second draw-in groove 4a, and be on a parallel with the central axis of first pipe fitting 1a, be equipped with the third draw-in groove and the fourth draw-in groove of rectangular shape on the inboard border of second through-hole 6a, the third draw-in groove with the fourth draw-in groove collineation, and be on a parallel with the central axis of second pipe fitting 5a, the both sides of location inserted bar 12a are equipped with first card strip 13a and second card strip 14a, first card strip 13a be used for with first draw-in groove 3a with the third draw-in groove cooperatees, second card strip 14a be used for with second draw-in groove 4a with the fourth draw-in groove cooperatees. Under the above-mentioned structural arrangement, after the location inserted bar 12a inserts first jack 8a or second jack, first card strip 13a gets into first draw-in groove 3a or third draw-in groove, during second card strip 14a gets into second draw-in groove 4a or fourth draw-in groove, first card strip 13a and second card strip 14a cooperate with shell fragment 16a, realize the centre gripping to first pipe fitting 1a or second pipe fitting 5a for location inserted bar 12a is firmly fixed, thereby effectively guarantees connection structure's stability.

In order to make the positions of the first pipe member 1a, the second pipe member 5a and the connection pipe 7a correspond accurately, marks for the positions may be provided on the outer walls of the first pipe member 1a, the second pipe member 5a and the connection pipe 7 a.

It should be noted that, in this document, relational terms such as first and second, and the like are 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 terminal 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 terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.

The foregoing description of the embodiments is provided to facilitate an understanding and use of the invention and it will be apparent to those skilled in the art that various modifications to the embodiments and the generic principles defined herein may be applied to other embodiments without the use of inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims

1. The utility model provides a pipe wall perforating device of PVC pipe, its characterized in that, includes support ring, a plurality of locking piece, guide and the subassembly that punches, the support ring sets up to circular, be equipped with the spout on the lateral wall of support ring, locking piece includes first fixed plate, slider, locking piece, first positioning screw and first set nut, the one end of first fixed plate is fixed on the support ring, and the other end is connected locking piece, first fixed plate is on a parallel with support ring place plane, be equipped with on the first fixed plate and be used for instructing the position scale of slider position, be equipped with length direction on the first fixed plate and follow the radial first slide opening of support ring, the one end of first positioning screw with the slider is connected, and the other end passes behind the first slide opening with first positioning nut cooperatees, a plurality of locking piece wind support ring circumference evenly distributed, the guide piece includes second sliding block, second fixed plate and third sliding block, the second sliding block with the third sliding block is fixed in respectively the both ends of second fixed plate, the second sliding block with the third sliding block with the spout cooperatees, be equipped with length direction on the second fixed plate and be on a parallel with the second sliding block with the second slide opening of third sliding block line direction, the subassembly that punches includes slide, drilling motor and drill bit, the middle part of slide is equipped with the waist of volume shrink, the waist spacing in the second slide opening, and can follow the second slide opening slides, the drilling motor install in on the slide, the drill bit install in on the drive shaft of drilling motor, be equipped with on the support ring and be used for instructing the scale of second fixed plate position.

2. The PVC pipe wall perforating device as claimed in claim 1, wherein a rubber non-slip mat is arranged on the side surface of the holding sheet close to the support ring.

3. The perforating device for the pipe wall of the PVC pipe as claimed in claim 1, wherein the perforating device further comprises an opening and closing bar and an opening and closing bolt, a slot is formed in the side wall of the second sliding hole along the length direction of the second sliding hole, the opening and closing bar is arranged in the slot, an opening and closing screw hole is formed in the opening and closing bar, the opening and closing bolt is matched with the opening and closing screw hole, an opening and closing groove is formed in the side portion of the waist portion of the sliding seat, and the opening and closing bar is enabled to move between the opening and closing groove and the slot by means of the opening and closing bolt.

4. The PVC pipe wall perforating device as claimed in claim 1, wherein the drill bit comprises a first drill rod and a second drill rod, the root end of the second drill rod is connected with the tip end of the first drill rod, the second drill rod is thinner than the first drill rod, and the length of the second drill rod is set to be 0.2mm-0.5 mm.