CN112959414A

CN112959414A - PVC pipeline perforating device

Info

Publication number: CN112959414A
Application number: CN202110151836.1A
Authority: CN
Inventors: 林岩
Original assignee: Individual
Current assignee: Yibo Communication Equipment Group Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-06-15
Anticipated expiration: 2041-02-03
Also published as: CN112959414B; CN115319850A

Abstract

The invention belongs to the technical field of perforating devices, and particularly relates to a PVC pipeline perforating device which comprises a pipe body and a drill bit; a fixing ring is arranged on one side of the drill bit, a supporting plate is arranged at the top end of the side wall of the fixing ring, a pneumatic push rod is arranged on the side wall of the supporting plate, the other end of the pneumatic push rod is connected with a push plate, the bottom end of the push plate is connected with an arc-shaped plate, the side wall of the arc-shaped plate, close to the pipe body, is attached to the outer wall of the pipe body, a water inlet pipe and a water outlet pipe are respectively arranged at two ends of the pipe body, the water inlet; the invention has the advantages that the effective and comprehensive cooling effect is achieved when the surface of the pipe body is punched, the influence on the punching quality of the pipeline caused by poor cooling effect is prevented when the pipe body is punched, the waste of water resources can be reduced, meanwhile, the falling fragments in the pipe body can be conveniently cleaned, and the energy conservation and the practicability of the pipeline punching device are improved when the pipeline punching device is used.

Description

PVC pipeline perforating device

Technical Field

The invention belongs to the technical field of punching devices, and particularly relates to a punching device for a PVC pipeline.

Background

Among the non-metallic pipes, the most widely used are plastic pipes. Plastic pipes are widely available and are classified into two broad categories, thermoplastic pipes and thermosetting pipes. The thermoplastic material includes polyvinyl chloride pipe, polyethylene pipe, polypropylene pipe, polyformaldehyde pipe, etc.; belongs to thermosetting phenolic plastic pipes and the like. The plastic pipe has the advantages of good corrosion resistance, light weight, convenient forming, easy processing and the like, so the plastic pipe is more and more widely applied to the building engineering, the plastic pipe needs to be punched sometimes in the processing process, the plastic pipe is easily softened due to the lower melting point of the plastic pipe and overhigh temperature in the punching process, and the deformation of a punching notch is possibly caused to seriously affect the quality of the plastic pipe.

Some technical schemes related to a punching device for a PVC pipeline also appear in the prior art, such as a chinese patent with patent number 2018110450012, the invention provides a cooling device for punching a PVC pipeline, which comprises a workbench, wherein both sides of the workbench are fixedly connected with cooling water tanks, the top of the cooling water tank is fixedly connected with a water pump, the water outlet end of the water pump is communicated with a Y-shaped hose, the water outlet end of the Y-shaped hose is communicated with a hard conduit, and the water outlet end of the hard conduit is fixedly connected with a nozzle, wherein the nozzle comprises: the device comprises a pipe seat, a fixed sleeve, a spray pipe and a water spray cover plate, wherein the pipe seat is detachably connected to the water outlet end of the hard conduit through a plurality of clamping components; the fixed sleeve is sleeved on the periphery of the spherical shell of the tube seat; the spray pipe is fixedly connected with the fixed sleeve to form an external spray part, and the fixed sleeve limits the spray pipe on the periphery of the spherical shell; the water spraying cover plate is arranged at the water outlet end of the spray pipe. Due to the adoption of the structure, the PVC pipeline cooling device can effectively cool the PVC pipeline, and the quality of the PVC pipeline is improved.

But pipeline perforating device in the above-mentioned technique drops inside the pipeline easily at produced piece of during operation, influences the normal use of pipeline, and also can cause the waste of water resource through the position department water spray that punches to the pipeline that also cools down, also causes the incomplete condition of cooling simultaneously easily.

In view of this, the invention provides a PVC pipeline punching device, which can effectively and comprehensively cool the surface of a pipe body during punching, prevent the pipe body from influencing the punching quality of the pipeline due to poor cooling effect during punching, recycle water resources, reduce waste of the water resources, and simultaneously, can conveniently clean chips falling inside the pipe body, thereby greatly improving the energy conservation and the practicability of the pipeline punching device during use.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides the PVC pipeline punching device, through the arranged PVC pipeline punching device, the surface of the pipe body can play an effective and comprehensive cooling effect during punching, the influence on the punching quality of the pipeline caused by poor cooling effect during punching of the pipe body is prevented, water resources can be recycled, the waste of the water resources is reduced, meanwhile, the convenient cleaning of the falling fragments in the pipe body can be realized, and the energy conservation and the practicability of the pipeline punching device during use are greatly improved.

The technical scheme adopted by the invention for solving the technical problems is as follows: the PVC pipeline punching device comprises a pipe body and a drill bit for punching the pipe body; an arc-shaped fixing ring is arranged on one side of the drill bit, fixing plates are symmetrically connected to two sides of an opening of the fixing ring, a fastening bolt is connected to the fixing plates in a sliding mode, a fastening nut is connected to the other end of the fastening bolt, a supporting plate is arranged at the top end of the side wall of the fixing ring, a pneumatic push rod is arranged on the side wall of the supporting plate, the other end of the pneumatic push rod is connected with a push plate, an arc plate matched with the shape of the pipe body is connected to the bottom end of the push plate, the side wall, close to the pipe body, of the arc plate is attached to the outer wall of the pipe body, a water inlet pipe and; when the pipeline punching device works, fragments generated during working of the pipeline punching device in the prior art easily fall into a pipeline, so that normal use of the pipeline is influenced, water resources are wasted when the pipeline is cooled by spraying water to a punching position, and incomplete cooling is easily caused; when the perforating device is used, the fixing ring is sleeved at a position needing perforating on the tube body, then the fastening nuts on the fastening bolts are screwed, so that the two fixing plates are driven to contract and fix on the tube body while being close to each other, then the two ends of the tube body are fixed and are respectively connected with the water inlet pipe and the water outlet pipe, then the water pump works and fills cold water into the tube body through the water inlet pipe, meanwhile, water flow in the tube body can be recycled to the water pump through the water outlet pipe, when the drill bit perforates the tube body, the cold water flowing in the tube body can play an effective and comprehensive cooling effect on the surface of the tube body, the perforating quality of a pipeline is prevented from being influenced due to poor cooling effect when the tube body is perforated, and meanwhile, when the drill bit perforates the tube body and brings debris into the tube body, the water flow in the tube body can drive the debris to the filter, the water is collected and filtered under the action of the filter plate, so that the filtered water flow can be recycled, and the waste of water resources is reduced; and when the drill bit breaks away from the body, pneumatic push rod can drive the pore one side motion that the arc was beaten to the body this moment, can shelter from the shutoff with the pore until the arc, prevent that the inside rivers of pipeline from flowing and the water waste that leads to from the pore, also can make the subsequent work of punching of body go on smoothly simultaneously, further improved energy-conservation nature and the validity of pipeline perforating device when using.

Preferably, a chute is formed in the side wall, close to the pipe body, of the arc plate, a spherical pressing block is connected to the outer end of the chute in a sliding mode, the pressing block can be matched with a hole channel formed in the pipe body by a drill bit, the pressing block is composed of an inner metal block and an outer wrapped rubber layer, a spring is connected between the pressing block and the inner end of the chute, and an electromagnet capable of attracting the metal block is mounted on the side wall, far away from the pipe body, of the arc plate; the during operation, before the arc carries out the shutoff to the pore, the briquetting compresses tightly on the pipe body lateral wall under the effect of spring this moment, when the arc to pore one side motion, the spout can drive the briquetting motion in step to pore department, the briquetting pops out and compresses tightly in the pore from the spout is inside under the effect of spring this moment, thereby make the briquetting can carry out more effectual shutoff to the pore, prevent that the arc from leading to rivers from the inside condition that flows of pore to pore shutoff not in place, accomplish work of punching and inside rivers outflow back at the body, electromagnet work attracts the metal block this moment, make the briquetting slide to the spout is inside in advance, prevent that the briquetting from leading to the arc to be difficult to the condition that resets with pore complex tension.

Preferably, a through groove is formed in the pressing block, an elastic membrane is connected between one side of the pressing block, close to the inner end of the sliding groove, and the side wall of the sliding groove, and a closed cavity is formed among the elastic membrane, the side wall of the sliding groove and the pressing block; the during operation, when the briquetting moved to the pore position department under the drive of arc, the inside rivers of body can flow in the cavity that elastic membrane, spout and briquetting constitute through lining up the groove this moment to reduced the water pressure difference of briquetting both sides, prevented that the inside water pressure of body from to the effort of briquetting too big, lead to the briquetting to be difficult to closely fill in the inside condition in pore, improved the stability of briquetting at the during operation greatly.

Preferably, a limiting cavity is formed in the inner end of the sliding chute, an adjusting block which expands when encountering water is arranged in the limiting cavity, the outer end of the adjusting block is connected with a bottom plate which is connected with the limiting cavity in a sliding manner, one end, close to the interior of the sliding chute, of the spring is connected with the bottom plate, and a group of water inlet grooves are formed in the bottom plate; the during operation, the regulating block can set up to meet water swelling's sealing rod, inside rivers flow in the spout from lining up the groove, and when passing the intake chamber and contact with the regulating block, the regulating block outer end expands and drives the bottom plate to the motion of pore one side this moment, and exert the effort to the briquetting indirectly through extrudeing the spring, thereby make the briquetting can more effectual shutoff in pore department, the spacing chamber that sets up simultaneously can restrict the regulating block and expand to the lateral part, thereby make the regulating block can more effectual expand to the one end that is close to the briquetting when the inflation, the effect that compresses tightly of regulating block to the briquetting has further been improved.

Preferably, a water inlet hole is formed in the side wall of the limiting cavity, the cross section of the water inlet hole is circular, the diameter of the water inlet hole is gradually increased from outside to inside, and the side walls of the adjusting block corresponding to the water inlet hole are respectively connected with a rubber blocking ball; the during operation, the inlet opening of setting on spacing chamber lateral wall can make rivers more abundant quick flow in spacing intracavity portion and contact with the regulating block, thereby make the regulating block can quick effectual inflation, and the regulating block after the inflation can drive the direction motion of shutoff ball to corresponding the inlet opening, and compress tightly inside the inlet opening gradually under the guide effect of inlet opening lateral wall, thereby prevent that expanded regulating block lateral wall from expanding in to the inlet opening, and influence the effective expanded condition of regulating block tip, also reduce the regulating block lateral wall simultaneously and impress the inlet opening inside and the damaged condition that produces.

Preferably, the blocking balls are respectively connected with positioning rods, and the free ends of the positioning rods penetrate through the water inlet holes; the during operation drives the in-process that the shutoff ball carried out the motion when the regulating block, and the shutoff ball can effectually align with the inlet opening inner under the cooperation of locating lever and inlet opening this moment to make inside the effectual inlet opening of impressing can be stabilized to the shutoff ball, prevent that the shutoff ball from taking place the condition of dislocation and work inefficacy with the inlet opening under the drive of regulating block.

Preferably, the bottom plate is connected with a limiting rod matched with the through groove, the free end of the limiting rod is positioned inside one end, close to the sliding groove, of the through groove, and when the pressing block is pressed into a pore channel formed in the pipe body under the action of the spring, the free end of the limiting rod is separated from the through groove at the moment; during operation, the gag lever post of mutually supporting and link up the groove and can play certain location effect to the position of briquetting, prevent that the briquetting from making to link up the condition that groove and pore are difficult to align because of taking place crooked rotation when sliding on the pipe body lateral wall, when the briquetting moved to pore department and during the pore was impressed under the effect of spring inside simultaneously, the briquetting after the motion can make to link up groove and gag lever post and break away from mutually this moment to make to link up the groove and be in the open mode and can effectively work.

Preferably, the limiting rod consists of a fixed rod far away from the pressing block and a movable rod close to the pressing block, a sliding rod is arranged at one end of the movable rod close to the fixed rod, a sliding cavity connected with the sliding rod in a sliding manner is formed in the end part of the fixed rod, and an elastic body is connected between the sliding rod and the inner end of the sliding cavity; the during operation, when the briquetting moved to the pore position, the inside water pressure of body this moment can take lead to promote the movable rod earlier, make the movable rod drive the slide bar and move to sliding chamber inside, break away from mutually with lining up the groove until the movable rod, thereby make rivers can effectually flow into inside the spout, the atress of briquetting is adjusted through the regulating block in the time of reducing the water pressure difference of briquetting both sides, prevent behind briquetting and the pore alignment, the inside water pressure of body is greater than the effort of spring to the briquetting, lead to lining up the groove and be difficult to open and make the briquetting can't carry out the condition of shutoff to the pore, the stability and the validity of briquetting at the during operation have further been improved.

The invention has the following beneficial effects:

1. according to the PVC pipeline punching device, the surface of the pipe body can play an effective and comprehensive cooling effect during punching, the influence on the punching quality of the pipeline due to poor cooling effect during punching is prevented, water resources can be recycled, waste of the water resources is reduced, meanwhile, the falling fragments in the pipe body can be conveniently cleaned, and the energy conservation and the practicability of the pipeline punching device during use are greatly improved.

2. According to the invention, the sliding groove and the pressing block which are matched with the pore channel are arranged on the arc-shaped plate, so that the pressing block can more effectively block the pore channel under the action of the spring, and the condition that water flows out of the pore channel due to the fact that the arc-shaped plate cannot block the pore channel is prevented.

Drawings

The invention will be further explained with reference to the drawings.

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

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 3;

in the figure: the device comprises a pipe body 1, a drill bit 2, a fixing ring 3, a fixing plate 4, a fastening bolt 5, a fastening nut 6, a supporting plate 7, a pneumatic push rod 8, a push plate 9, an arc-shaped plate 10, a water inlet pipe 11, a water outlet pipe 12, a filter plate 13, a sliding chute 14, a pressing block 15, a pore passage 16, a metal block 17, a rubber layer 18, a spring 19, an electromagnet 20, a through groove 21, an elastic membrane 22, a limiting cavity 23, an adjusting block 24, a bottom plate 25, a water inlet groove 26, a water inlet hole 27, a blocking ball 28, a positioning rod 29, a limiting rod 30, a fixing rod 31, a movable rod 32, a sliding rod 33.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the following embodiments.

As shown in fig. 1 to 4, the PVC pipeline perforating device of the present invention includes a pipe body 1 and a drill 2 for perforating the pipe body 1; an arc-shaped fixing ring 3 is arranged on one side of the drill bit 2, fixing plates 4 are symmetrically connected to two sides of an opening of each fixing ring 3, a fastening bolt 5 is connected onto each fixing plate 4 in a sliding mode, the other end of each fastening bolt 5 is connected with a fastening nut 6, a supporting plate 7 is arranged at the top end of the side wall of each fixing ring 3, a pneumatic push rod 8 is arranged on the side wall of each supporting plate 7, the other end of each pneumatic push rod 8 is connected with a push plate 9, the bottom end of each push plate 9 is connected with an arc-shaped plate 10 matched with the shape of the pipe body 1, the side wall, close to the pipe body 1, of each arc-shaped plate 10 is attached to the outer wall of the pipe body 1, a water inlet pipe 11 and a water; when the pipeline punching device works, fragments generated during working of the pipeline punching device in the prior art easily fall into a pipeline, so that normal use of the pipeline is influenced, water resources are wasted when the pipeline is cooled by spraying water to a punching position, and incomplete cooling is easily caused; when the perforating device is used, firstly, the fixing ring 3 is sleeved at a position needing perforating on the tube body 1, then the fastening nut 6 on the fastening bolt 5 is screwed, the two fixing plates 4 are driven to contract and fix the fixing ring 3 on the tube body 1 while being close to each other, then two ends of the tube body 1 are fixed and are respectively connected with the water inlet pipe 11 and the water outlet pipe 12, then the water pump works and fills cold water into the tube body 1 through the water inlet pipe 11, meanwhile, the water flow in the tube body 1 can be recycled to the water pump through the water outlet pipe 12, when the drill bit 2 perforates the tube body 1, the cold water flowing in the tube body 1 can play an effective and comprehensive cooling effect on the surface of the tube body 1, the perforating quality of a pipeline is prevented from being influenced due to poor cooling effect when the tube body 1 perforates, and meanwhile, when the drill bit 2 bores the tube body 1 and brings scraps into the tube body 1, at the moment, the water flow flowing in the pipe body 1 can drive the fragments to the filter plate 13 and collect and filter the fragments under the action of the filter plate 13, so that the filtered water flow can be recycled, and the waste of water resources is reduced; and when the drill bit 2 breaks away from the body 1, pneumatic push rod 8 can drive the arc 10 to the 16 one side motion of the pore of beating on the body 1 this moment, until the arc 10 can shelter from the shutoff with pore 16, prevent that the inside rivers of pipeline from flowing out and the water waste that leads to from pore 16, also can make the subsequent work of punching of body 1 go on smoothly simultaneously, further improved energy-conservation and the validity of pipeline perforating device when using.

As an embodiment of the present invention, a sliding groove 14 is formed on the side wall of the arc plate 10 close to the tube body 1, the outer end of the sliding groove 14 is slidably connected with a spherical pressing block 15, the pressing block 15 can be matched with a pore 16 formed on the tube body 1 by the drill 2, the pressing block 15 is composed of an inner metal block 17 and an outer wrapped rubber layer 18, a spring 19 is connected between the pressing block 15 and the inner end of the sliding groove 14, and an electromagnet 20 capable of attracting the metal block 17 is installed on the side wall of the arc plate 10 far from the tube body 1; during operation, before arc 10 carries out the shutoff to pore 16, briquetting 15 compresses tightly on the body 1 lateral wall under spring 19's effect this moment, when arc 10 moves to pore 16 one side, spout 14 can drive briquetting 15 and move to pore 16 department in step, briquetting 15 pops out and compresses tightly in pore 16 from spout 14 is inside under spring 19's effect this moment, thereby make briquetting 15 can carry out more effectual shutoff to pore 16, prevent that arc 10 from leading to the condition that rivers flowed from pore 16 is inside not in place to pore 16 shutoff, after body 1 accomplished the work of punching and inside rivers flow, electro-magnet 20 work this moment attracts metal block 17, make briquetting 15 can slide to spout 14 inside in advance, prevent that briquetting 15 and pore 16 complex from leading to the condition that arc 10 is difficult to reset with the tension.

As an embodiment of the invention, a through groove 21 is arranged inside the pressing block 15, an elastic membrane 22 is connected between one side of the pressing block 15 close to the inner end of the sliding chute 14 and the side wall of the sliding chute 14, and a closed cavity is formed among the elastic membrane 22, the side wall of the sliding chute 14 and the pressing block 15; during operation, when the briquetting 15 moves to the position of the pore 16 under the driving of the arc plate 10, the water flow inside the pipe body 1 can flow into the cavity formed by the elastic membrane 22, the sliding groove 14 and the briquetting 15 through the through groove 21, thereby reducing the water pressure difference at two sides of the briquetting 15, preventing the acting force of the water pressure inside the pipe body 1 on the briquetting 15 from being too large, leading the briquetting 15 to be difficult to be tightly filled in the inside of the pore 16, and greatly improving the stability of the briquetting 15 during operation.

As an embodiment of the invention, a limiting cavity 23 is arranged at the inner end of the sliding chute 14, a regulating block 24 which expands when encountering water is arranged in the limiting cavity 23, the outer end of the regulating block 24 is connected with a bottom plate 25 which is connected with the limiting cavity 23 in a sliding manner, one end of the spring 19 close to the inner part of the sliding chute 14 is connected with the bottom plate 25, and a group of water inlet grooves 26 are formed in the bottom plate 25; during operation, regulating block 24 can set up to meet water swelling's sealing rod, inside rivers flow into spout 14 from link through groove 21, and when passing intake channel 26 and regulating block 24 and contact, regulating block 24 outer end expands and drives bottom plate 25 to 16 one side motion in pore this moment, and exert the effort to briquetting 15 indirectly through extrudeing spring 19, thereby make briquetting 15 can more effectual shutoff in pore 16 department, the spacing chamber 23 that sets up simultaneously can restrict regulating block 24 and expand to the lateral part, thereby make regulating block 24 can more effectual expand to the one end that is close to briquetting 15 when the inflation, further improved the effect that compresses tightly of regulating block 24 to briquetting 15.

As an embodiment of the present invention, a water inlet 27 is formed on a side wall of the limiting cavity 23, a cross-sectional shape of the water inlet 27 is circular, a diameter of the water inlet 27 gradually increases from outside to inside, and rubber-made blocking balls 28 are respectively connected to side walls of the adjusting block 24 corresponding to the water inlet 27; during operation, the inlet opening 27 of setting on spacing chamber 23 lateral wall can make rivers more abundant quick flow in spacing chamber 23 inside and contact with regulating block 24, thereby make regulating block 24 can quick effectual inflation, and regulating block 24 after the inflation can drive the direction motion of shutoff ball 28 to corresponding inlet opening 27, and compress tightly inside inlet opening 27 gradually under the guide effect of inlet opening 27 lateral wall, thereby prevent that expanded regulating block 24 lateral wall from expanding in to inlet opening 27, and influence the effective expanded condition of regulating block 24 tip, also reduce the damaged condition that regulating block 24 lateral wall impressed inlet opening 27 inside and produced simultaneously.

As an embodiment of the present invention, the blocking balls 28 are respectively connected with positioning rods 29, and the free ends of the positioning rods 29 penetrate through the water inlet holes 27; during operation, when the adjusting block 24 drives the in-process that the shutoff ball 28 moved, this moment the shutoff ball 28 can effectually align with the intake opening 27 inner under the cooperation of locating lever 29 and intake opening 27 to make inside the effectual intake opening 27 of impressing can be stabilized to the shutoff ball 28, prevent that the shutoff ball 28 from taking place the condition of dislocation and work inefficacy with the intake opening 27 under the drive of adjusting block 24.

As an embodiment of the present invention, the bottom plate 25 is connected with a limiting rod 30 matched with the through groove 21, a free end of the limiting rod 30 is located inside one end of the through groove 21 close to the sliding chute 14, and when the pressing block 15 is pressed into the hole 16 formed on the tube body 1 under the action of the spring 19, the free end of the limiting rod 30 is separated from the through groove 21; during operation, the mutually matched limiting rod 30 and the through groove 21 can play a certain positioning effect on the position of the pressing block 15, the situation that the through groove 21 and the pore passage 16 are difficult to align due to inclined rotation when the pressing block 15 slides on the side wall of the pipe body 1 is prevented, and meanwhile, when the pressing block 15 moves to the pore passage 16 and is pressed into the pore passage 16 under the action of the spring 19, the through groove 21 and the limiting rod 30 can be separated from each other through the moved pressing block 15, so that the through groove 21 is in an open state and can effectively work.

As an embodiment of the present invention, the limiting rod 30 is composed of a fixed rod 31 far away from the pressing block 15 and a movable rod 32 close to the pressing block 15, one end of the movable rod 32 close to the fixed rod 31 is provided with a sliding rod 33, the end of the fixed rod 31 is provided with a sliding cavity 34 slidably connected with the sliding rod 33, and an elastic body 35 is connected between the sliding rod 33 and the inner end of the sliding cavity 34; during operation, when briquetting 15 moves to pore 16 position, the inside water pressure of body 1 can take lead to promote movable rod 32 this moment, make movable rod 32 drive slide bar 33 to slide 34 inside motion, break away from with wearing groove 21 mutually until movable rod 32, thereby make rivers can effectually flow into inside spout 14, adjust the atress of briquetting 15 through regulating block 24 when reducing the water pressure difference of briquetting 15 both sides, after preventing briquetting 15 and pore 16 from aliging, the inside water pressure of body 1 is greater than the effort of spring 19 to briquetting 15, lead to wearing groove 21 and be difficult to open and make briquetting 15 can not carry out the condition of shutoff to pore 16, further improved the stability and the validity of briquetting 15 at the during operation.

When the device works, firstly, the fixing ring 3 is sleeved at the position needing to be punched on the tube body 1, then the fastening nuts 6 on the fastening bolts 5 are screwed, so that the two fixing plates 4 drive the fixing ring 3 to shrink and fix on the tube body 1 while being close to each other, then the two ends of the tube body 1 are fixed and are respectively connected with the water inlet tube 11 and the water outlet tube 12, then the water pump works and fills cold water into the tube body 1 through the water inlet tube 11, meanwhile, the water flow in the tube body 1 can be recycled to the water pump through the water outlet tube 12, when the drill bit 2 punches the tube body 1, the cold water flowing inside the tube body 1 can play an effective and comprehensive cooling effect on the surface of the tube body 1, the punching quality of a pipeline is prevented from being influenced by the poor cooling effect when the tube body 1 punches, meanwhile, when the drill bit 2 drills through the tube body 1 and brings chips into the tube body 1, at the moment, the water flow flowing in, the water is collected and filtered under the action of the filter plate 13, so that the filtered water flow can be recycled, and the waste of water resources is reduced; and when the drill bit 2 breaks away from the body 1, pneumatic push rod 8 can drive the arc 10 to the 16 one side motion of the pore of beating on the body 1 this moment, until the arc 10 can shelter from the shutoff with pore 16, prevent that the inside rivers of pipeline from flowing out and the water waste that leads to from pore 16, also can make the subsequent work of punching of body 1 go on smoothly simultaneously, further improved energy-conservation and the validity of pipeline perforating device when using.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

The PVC pipeline punching device comprises a pipe body (1) and a drill bit (2) for punching the pipe body (1); the method is characterized in that: the drill bit (2) is provided with an arc-shaped fixing ring (3) on one side, the fixing ring (3) is symmetrically connected with a fixing plate (4) on two sides of an opening, a fastening bolt (5) is connected on the fixing plate (4), a fastening nut (6) is connected with the other end of the fastening bolt (5), a supporting plate (7) is arranged at the top end of the side wall of the fixing ring (3), a pneumatic push rod (8) is arranged on the side wall of the supporting plate (7), the other end of the pneumatic push rod (8) is connected with a push plate (9), the bottom end of the push plate (9) is connected with an arc-shaped plate (10) matched with the shape of the pipe body (1), the side wall of the arc-shaped plate (10) close to the pipe body (1) is attached to the outer wall of the pipe body (1), a water inlet pipe (11) and a water outlet, and a filter plate (13) is arranged in the water outlet pipe (12).
2. The PVC pipe perforating device as recited in claim 1, wherein: the utility model discloses a drill bit, including pipe body (1), arc (10), spout (14) have been seted up on being close to the lateral wall of pipe body (1) in arc (10), spout (14) outer end sliding connection has spherical briquetting (15), pore (16) that briquetting (15) can be beaten on pipe body (1) with drill bit (2) cooperate, briquetting (15) comprise inside metal block (17) and outside parcel rubber layer (18), be connected with spring (19) between briquetting (15) and spout (14) the inner, install on the lateral wall that pipe body (1) was kept away from in arc (10) and to carry out electromagnet (20) that attract to metal block (17).
3. The PVC pipe perforating device as recited in claim 2, wherein: a through groove (21) is formed in the pressing block (15), an elastic membrane (22) is connected between one side, close to the inner end of the sliding groove (14), of the pressing block (15) and the side wall of the sliding groove (14), and a closed cavity is formed among the elastic membrane (22), the side wall of the sliding groove (14) and the pressing block (15).
4. The PVC pipe perforating device as recited in claim 3, wherein: spout (14) inner is equipped with spacing chamber (23), spacing chamber (23) internally mounted has chance water expanded regulating block (24), regulating block (24) outer end is connected with and slides bottom plate (25) that link to each other with spacing chamber (23), spring (19) are close to the inside one end of spout (14) and link to each other with bottom plate (25), a set of intake antrum (26) have been seted up on bottom plate (25).
5. The PVC pipe perforating device as recited in claim 4, wherein: the water inlet hole (27) has been seted up on spacing chamber (23) lateral wall, the cross sectional shape of water inlet hole (27) sets to circular form, just the diameter outside-in of water inlet hole (27) increases gradually, be connected with the shutoff ball (28) of rubber material on regulating block (24) and the corresponding lateral wall of water inlet hole (27) respectively.
6. The PVC pipe perforating device as recited in claim 5, wherein: the blocking ball (28) is connected with a positioning rod (29) respectively, and the free end of the positioning rod (29) penetrates through the water inlet hole (27).
7. The PVC pipe perforating device as recited in claim 4, wherein: the bottom plate (25) is connected with a limiting rod (30) matched with the through groove (21), the free end of the limiting rod (30) is located inside one end, close to the sliding groove (14), of the through groove (21), and when the pressing block (15) is pressed into a pore channel (16) formed in the pipe body (1) under the action of the spring (19), the free end of the limiting rod (30) is separated from the through groove (21).
8. The PVC pipe perforating device as recited in claim 7, wherein: the limiting rod (30) is composed of a fixing rod (31) far away from a pressing block (15) and a movable rod (32) close to the pressing block (15), a sliding rod (33) is arranged at one end, close to the fixing rod (31), of the movable rod (32), a sliding cavity (34) connected with the sliding rod (33) in a sliding mode is formed in the end portion of the fixing rod (31), and an elastic body (35) is connected between the sliding rod (33) and the inner end of the sliding cavity (34).