CN216229859U - Automatic change PVC pipe milling flutes device - Google Patents

Abstract

The utility model relates to the technical field of machining, in particular to an automatic PVC pipe groove milling device. Automatic change PVC pipe milling flutes device includes supporting seat, slewing mechanism, protecting box, support frame, feeding subassembly, clamping mechanism and milling flutes subassembly for drive PVC pipe rotates and changes the station slewing mechanism installs on two supporting seats, and slewing mechanism includes axis of rotation and rack, the axis of rotation passes through the bearing and rotates and install on two supporting seats, and axis of rotation middle part cover is equipped with the rack, evenly set up the V type groove that a plurality of circumferences distribute on the rack, all wrap up including axis of rotation and rack protecting box fixed mounting is on two supporting seats, and the top of protecting box has seted up the feed inlet, has seted up the processing mouth on the lateral wall of protecting box, and the protecting box is located fixed mounting on the processing mouth and has had the support frame, and the bin outlet has been seted up to the bottom of protecting box. The device has the advantages of compact structure, small occupied area, economy and practicality.

Description

Automatic change PVC pipe milling flutes device

Technical Field

The utility model relates to the technical field of machining, in particular to an automatic PVC pipe groove milling device.

Background

PVC pipe is made up by using polyvinyl chloride resin, stabilizing agent and lubricating agent through the processes of mixing, hot-pressing and extrusion forming. The PVC pipe has strong corrosion resistance, easy adhesion, low price and hard texture, and is widely applied in the industrial field.

In the use of PVC pipe, owing to need erect longer pipeline and need utilize the elbow connection in bend department, in order to connect fixedly better and use the PVC pipe, need milling flutes or milling holes on the PVC pipe, but current PVC pipe utilizes the milling machine to carry out the milling flutes, manual operation milling machine carries out the milling flutes, machining efficiency is low, but current automatic machinist processing, need arrange longer automatic conveying line at the factory building, recycle various manipulator clamping, transport, complete sets take up an area of the space greatly, the construction cost is too high.

Therefore, there is a need to provide a new automatic PVC pipe groove milling device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides an automatic PVC pipe groove milling device which is compact in structure, small in occupied space, economical and practical.

The automatic PVC pipe milling flutes device that the utility model provides includes: the device comprises supporting seats, a rotating mechanism, a protective box, a supporting frame, a feeding assembly, a clamping mechanism and a milling groove assembly, wherein the rotating mechanism is used for driving a PVC pipe to rotate to change a station and is arranged on the two supporting seats, the rotating mechanism comprises a rotating shaft and a placing frame, the rotating shaft is rotatably arranged on the two supporting seats through a bearing, the middle part of the rotating shaft is sleeved with the placing frame, a plurality of V-shaped grooves distributed circumferentially are uniformly arranged on the placing frame, the protective box is fixedly arranged on the two supporting seats, the rotating shaft and the placing frame are both wrapped in the protective box, the top end of the protective box is provided with a feeding hole, the side wall of the protective box is provided with a processing hole, the protective box is positioned on the processing hole and is fixedly provided with the supporting frame, the bottom end of the protective box is provided with a discharging hole, the feeding assembly for automatically discharging the PVC pipe is fixedly arranged at the upper end of the protective box and positioned on one side of the feeding hole, a clamping mechanism fixed mounting is on V type groove and support frame for pressing from both sides tight fixed PVC pipe, and clamping mechanism includes prepositioning subassembly, limit baffle and clamping components, and is a plurality of prepositioning unit mount is in V type inslot, limit baffle fixed mounting is in the protecting box and is located between feed inlet and the processing mouth, clamping components installs on the support frame and is located the protecting box, is used for processing of PVC pipe milling flutes subassembly fixed mounting is in the support frame.

Preferably, the rotating mechanism further comprises a driving motor, a first gear and a second gear, the driving motor is fixedly mounted on one of the supporting seats, the output end of the driving motor extends into the protective box and is fixedly connected with the first gear, and the second gear is sleeved on the rotating shaft and is meshed with the first gear.

Preferably, the feeding subassembly includes feed chute, slide bar, first baffle, second baffle and electric telescopic handle, the feed chute cuts to one side and sets up in the upper end of guard box and is located feed inlet department, slide bar slidable mounting is in the one end that the feed chute is close to the feed inlet, and the first baffle of slide bar one end fixedly connected with, first baffle is located the front end of feed chute, and the other end fixedly connected with second baffle of slide bar the second baffle is located the rear side of first baffle and can stretch into the feed chute, electric telescopic handle fixed mounting is on the lateral wall of feed chute and second baffle homonymy, and electric telescopic handle's flexible end and slide bar fixed connection.

Preferably, the pre-positioning assembly comprises a first bidirectional threaded rod, a rotating handle, a supporting plate, a spring and a first clamping plate, the placing frame is located below the V-shaped groove, the sliding groove is formed in the placing frame, the first bidirectional threaded rod is rotatably installed in the sliding groove, the rotating handle is fixedly connected with one end of the first bidirectional threaded rod, the two ends of the first bidirectional threaded rod are slidably installed in the sliding groove, two supporting plates are symmetrically arranged on the first bidirectional threaded rod and are in threaded connection with the first bidirectional threaded rod, one end of the spring is fixedly connected with the supporting plate, the other end of the spring is fixedly connected with the first clamping plate, and the first clamping plate is located on the inner side of the supporting plate and is in sliding connection with the sliding groove.

Preferably, the pre-positioning assembly further comprises a mounting seat and a limiting rod, the mounting seat is fixedly mounted on the side wall of the placing frame on one side of the V-shaped groove, the limiting rod is fixedly mounted on the mounting seat, and two ends of the limiting rod are respectively inserted into through holes formed in the first clamping plates on the same side.

Preferably, the clamping assembly comprises a second bidirectional threaded rod, a second clamping plate, a stepping motor, a third gear and a fourth gear, the second bidirectional threaded rod is rotatably installed on the support frame, the second clamping plate is symmetrically arranged on the two second bidirectional threaded rods and is in threaded connection with the two second bidirectional threaded rods, one ends of the two second bidirectional threaded rods penetrate through the support frame and are fixedly connected with the third gear, the stepping motor is fixedly installed on the side wall, close to the third gear, of the support frame, the fourth gear is fixedly connected with an output shaft of the stepping motor, and the fourth gear is meshed with the third gear.

Preferably, the milling groove assembly comprises support rods, a sliding seat, a screw rod, a servo motor, a hydraulic cylinder, a C-shaped frame, a drive shaft and a rotating motor, the two support rods are fixedly arranged on the support frame, the sliding seat is slidably arranged on the two support rods, the screw rod is rotatably arranged on the support frame and positioned between the two support rods, the screw rod penetrates through the sliding seat and is in threaded connection with the sliding seat, the servo motor is fixedly arranged on the side wall of the support frame, an output shaft of the servo motor is fixedly connected with the screw rod, the hydraulic cylinder is fixedly arranged on the sliding seat, a telescopic end of the hydraulic cylinder downwards penetrates through the sliding seat and is fixedly connected with the C-shaped frame, the drive shaft is rotatably arranged on the C-shaped frame, the upper end of the drive shaft is fixedly connected with a first bevel gear, the bottom end of the drive shaft is fixedly connected with a milling cutter, the rotating motor is fixedly arranged on the side wall of the C-shaped frame, and a second conical gear is sleeved on an output shaft of the rotating motor, and the second conical gear and the first conical gear are sleeved on the output shaft of the rotating motor.

Preferably, a box door is arranged on the side wall of the protective box, which is positioned on one side of the rotating handle, through a hinge.

Compared with the prior art, the automatic PVC pipe groove milling device provided by the utility model has the following beneficial effects:

1. the utility model provides an automatic PVC pipe groove milling device, wherein a rotating mechanism is used for rotating a PVC pipe conveyed on a feeding assembly from a feeding hole to a processing hole, a clamping mechanism is used for automatically clamping and fixing the PVC pipe, then the groove milling assembly is used for automatically milling a groove, after the processing, the rotating mechanism is used for rotating the processed PVC pipe to a discharging hole for automatically discharging, and the next PVC pipe to be processed enters a processing hole station for processing, so that the whole structure is compact, the automatic processing is realized, the occupied area is small, and the device is economical and practical;

2. through setting up the protective housing and cutting off the protection to the piece that the milling flutes produced in the course of working, reduce the piece and splash.

Drawings

FIG. 1 is a schematic structural diagram of an automatic PVC pipe groove milling device according to a preferred embodiment of the present invention;

FIG. 2 is a schematic structural diagram of another view of the automatic PVC pipe groove milling device provided by the utility model;

FIG. 3 is a schematic structural view of the feeding assembly shown in FIG. 1;

FIG. 4 is a schematic view of the interior of the protective enclosure of FIG. 1;

FIG. 5 is a schematic structural view of the milling flutes assembly shown in FIG. 1;

fig. 6 is a partially enlarged view of a shown in fig. 1.

Reference numbers in the figures: 1. a supporting seat; 2. a rotating mechanism; 21. a rotating shaft; 22. placing a rack; 221. A V-shaped groove; 222. a chute; 23. a drive motor; 24. a first gear; 25. a second gear; 3. A protective box; 31. a feed inlet; 32. processing a port; 33. a discharge outlet; 4. a support frame; 5. a feed assembly; 51. a feed chute; 52. a slide bar; 53. a first separator; 54. a second separator; 55. an electric telescopic rod; 6. a clamping mechanism; 61. a pre-positioning assembly; 611. a first bidirectional threaded rod; 612. Rotating the handle; 613. a support plate; 614. a spring; 615. a first splint; 616. a mounting seat; 617. A limiting rod; 62. a limit baffle; 63. a clamping assembly; 631. a second bidirectional threaded rod; 632. A second splint; 633. a stepping motor; 634. a third gear; 635. a fourth gear; 7. a groove milling assembly; 71. a support bar; 72. a sliding seat; 73. a lead screw; 74. a servo motor; 75. a hydraulic cylinder; 76. a C-shaped frame; 77. a drive shaft; 77a, a first conical gear; 78. a rotating electric machine; 78a, a second conical gear; 8. milling cutters; 9. and (4) a box door.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to fig. 1 to 6, an automatic PVC pipe groove milling apparatus according to an embodiment of the present invention includes: supporting seat 1, slewing mechanism 2, guard box 3, support frame 4, feeding component 5, clamping mechanism 6 and milling flutes subassembly 7.

The rotating mechanism 2 for driving the PVC pipe to rotate and change the station is arranged on two supporting seats 1, the rotating mechanism 2 comprises a rotating shaft 21 and a placing frame 22, the rotating shaft 21 is rotatably arranged on the two supporting seats 1 through a bearing, the placing frame 22 is sleeved in the middle of the rotating shaft 21, a plurality of V-shaped grooves 221 which are distributed circumferentially are uniformly formed in the placing frame 22, a protective box 3 which wraps the rotating shaft 21 and the placing frame 22 is fixedly arranged on the two supporting seats 1, a feeding hole 31 is formed in the top end of the protective box 3, a processing hole 32 is formed in the side wall of the protective box 3, a supporting frame 4 is fixedly arranged on the processing hole 32 of the protective box 3, a discharging hole 33 is formed in the bottom end of the protective box 3, a feeding assembly 5 for automatically blanking the PVC pipe is fixedly arranged at the upper end of the protective box 3 and is positioned on one side of the feeding hole 31, and a clamping mechanism 6 for clamping and fixing the PVC pipe is fixedly arranged on the V-shaped grooves 221 and the supporting frame 4, and the clamping mechanism 6 comprises pre-positioning assemblies 61, limiting baffles 62 and clamping assemblies 63, the pre-positioning assemblies 61 are arranged in the V-shaped groove 221, the limiting baffles 62 are fixedly arranged in the protective box 3 and positioned between the feed inlet 31 and the processing port 32, the clamping assemblies 63 are arranged on the supporting frame 4 and positioned in the protective box 3, and the milling groove assembly 7 for processing the PVC pipe is fixedly arranged on the supporting frame 4.

It should be noted that: during use, a PVC pipe is placed on the feeding assembly 5, automatic feeding of the feeding assembly 5 is utilized, the PVC pipe enters the V-shaped groove 221 of the placement frame 22 from the feeding hole 31, the PVC pipe at the feeding hole 31 is rotated to the machining hole 32 station by driving the rotating shaft 21 to rotate, the PVC pipe is limited to slide out of the V-shaped groove 221 in the rotating process under the action of the pre-positioning assembly 61 and the limiting baffle 62, then the PVC pipe is clamped and fixed by the pre-positioning assembly 61 on the machining hole 32 station through the clamping assembly 63, automatic groove milling is conducted through the groove milling assembly 7, after machining, the clamping assembly 63 is released from clamping, the PVC pipe at the machining hole 32 is rotated to the discharging hole 33 through the rotating mechanism 2 to rotate the placement frame 22 to automatically discharge the PVC pipe at the machining hole 32, and when rotating, the PVC pipe at the feeding hole 31 enters the machining hole 32 station and enters the next automatic machining cycle.

In an embodiment of the present invention, referring to fig. 1, fig. 2 and fig. 4, the rotating mechanism 2 further includes a driving motor 23, a first gear 24 and a second gear 25, the driving motor 23 is fixedly mounted on one of the supporting bases 1, an output end of the driving motor 23 extends into the protective box 3 and is fixedly connected with the first gear 24, and the second gear 25 is sleeved on the rotating shaft 21 and is engaged with the first gear 24.

It should be noted that: the drive motor 23 is controlled to rotate periodically through programming, the drive motor 23 drives the rotating shaft 21 to rotate periodically through the meshing of the first gear 24 and the second gear 25, and the rotating shaft 21 drives the placing frame 22 to rotate periodically, so that the PVC pipe can be automatically controlled to enter the processing opening 32 from the feeding opening 31 for processing, and the PVC pipe is automatically processed and circulated in the automatic processing discharged from the discharging opening 33.

In an embodiment of the present invention, referring to fig. 1 and fig. 3, the feeding assembly 5 includes a feeding chute 51, a sliding rod 52, a first partition plate 53, a second partition plate 54 and an electric telescopic rod 55, the feeding chute 51 is obliquely disposed at the upper end of the protective box 3 and located at the feeding port 31, the sliding rod 52 is slidably mounted at one end of the feeding chute 51 close to the feeding port 31, one end of the sliding rod 52 is fixedly connected with the first partition plate 53, the first partition plate 53 is located at the front end of the feeding chute 51, the other end of the sliding rod 52 is fixedly connected with the second partition plate 54, the second partition plate 54 is located at the rear side of the first partition plate 53 and can extend into the feeding chute 51, the electric telescopic rod 55 is fixedly mounted on the side wall of the feeding chute 51 on the same side as the second partition plate 54, and the telescopic end of the electric telescopic rod 55 is fixedly connected with the sliding rod 52.

It should be noted that: when feeding subassembly 5 uses, place the PVC pipe in feed chute 51, the automatic lapse of PVC pipe under the effect of gravity, during the pay-off, the flexible end shrink of control electric telescopic handle 55, electric telescopic handle 55 drives slide bar 52 and slides, slide bar 52 drives first baffle 53 and leaves from the front end of feed chute 51, it inserts between two PVC pipes of the front end of feed chute 51 to drive second baffle 54 simultaneously, until, the front end of feed chute 51 is left completely to first baffle 53, the PVC pipe of the foremost end of feed chute 51 falls into feed inlet 31, latter PVC pipe is separated by second baffle 54, after the pay-off, the flexible end of control electric telescopic handle 55 stretches out pulling slide bar 52 and resets, leave feed chute 51 until second baffle 54, the PVC pipe that second baffle 54 cut off gets into first baffle 53 department, be convenient for get into next side pay-off circulation.

In an embodiment of the present invention, referring to fig. 1, fig. 2, fig. 4 and fig. 6, the pre-positioning assembly 61 includes a first bidirectional threaded rod 611, a rotating handle 612, a supporting plate 613, a spring 614 and a first clamping plate 615, the placing frame 22 is located below the V-shaped groove 221 and is provided with a sliding groove 222, the first bidirectional threaded rod 611 is rotatably installed in the sliding groove 222, one end of the first bidirectional threaded rod 611 is fixedly connected with the rotating handle 612, the two supporting plates 613 are slidably installed in the sliding groove 222, the two supporting plates 613 are symmetrically disposed on the first bidirectional threaded rod 611 and are in threaded connection with the first bidirectional threaded rod 611, one end of the spring 614 is fixedly connected with the supporting plate 613, the other end of the spring 614 is fixedly connected with the first clamping plate 615, and the first clamping plate 615 is located inside the supporting plate 613 and is slidably connected with the sliding groove 222.

It should be noted that: when the pre-positioning assembly 61 is used, the rotating handle 612 is rotated to drive the first bidirectional threaded rod 611 to rotate, the first bidirectional threaded rod 611 drives the two support plates 613 to move close to or away from each other, the distance between the two support plates 613 is adjusted, the distance between the two first clamping plates 615 is adjusted by pulling of the spring 614, and therefore PVC pipes with different lengths are pre-positioned and limited in the V-shaped groove 221.

The pre-positioning assembly 61 further comprises a mounting seat 616 and a limiting rod 617, the mounting seat 616 is fixedly mounted on the side wall of the placing frame 22 on one side of the V-shaped groove 221, the limiting rod 617 is fixedly mounted on the mounting seat 616, and two ends of the limiting rod 617 are respectively inserted into through holes formed in the first clamping plates 615 on the same side, so that the first clamping plates 615 are more stable when being adjusted and moved.

The side wall of the protective box 3 on one side of the rotating handle 612 is provided with a box door 9 through a hinge, so that the rotating handle 612 inside the protective box 3 can be conveniently rotated and adjusted by opening the box door 9.

In an embodiment of the present invention, referring to fig. 1 and 5, the clamping assembly 63 includes a second bidirectional threaded rod 631, a second clamping plate 632, a stepping motor 633, a third gear 634 and a fourth gear 635, wherein the two second bidirectional threaded rods 631 are rotatably mounted on the supporting frame 4, the two second clamping plates 632 are symmetrically disposed on the two second bidirectional threaded rods 631 and are in threaded connection with the two second bidirectional threaded rods 631, one end of each of the two second bidirectional threaded rods 631 passes through the supporting frame 4 and is fixedly connected with the third gear 634, the stepping motor 633 is fixedly mounted on a side wall of the supporting frame 4 close to the third gear 634, the fourth gear 635 is fixedly connected with an output shaft of the stepping motor 633, and the fourth gear 635 is meshed with the third gear 634;

it should be noted that: when the clamping assembly 63 is used, when a PVC pipe at the feed inlet 31 is rotated to a station of the processing port 32, the stepping motor 633 is started, the stepping motor 633 drives the two second bidirectional threaded rods 631 to rotate through the meshing transmission of the third gear 634 and the fourth gear 635, the two second bidirectional threaded rods 631 drive the two second clamping plates 632 to extend into the V-shaped groove 221 and to be close to the first clamping plate 615 below the station until the two second clamping plates contact the first clamping plate 615 and press and clamp the PVC pipe, then processing is performed, the stepping motor 633 is controlled to rotate reversely after the processing, and the two second bidirectional threaded rods 631 drive the two second clamping plates 632 to move away from each other until the two second clamping plates exit from the V-shaped groove 221, so that the clamping limitation is removed.

In the embodiment of the present invention, referring to fig. 1 and 5, the groove milling assembly 7 includes a support rod 71, a sliding seat 72, a lead screw 73, a servo motor 74, a hydraulic cylinder 75, a C-shaped frame 76, a drive shaft 77 and a rotating motor 78, the two support rods 71 are fixedly mounted on the support frame 4, the sliding seat 72 is slidably mounted on the two support rods 71, the lead screw 73 is rotatably mounted on the support frame 4 and located between the two support rods 71, the lead screw 73 passes through the sliding seat 72 and is in threaded connection with the sliding seat 72, the servo motor 74 is fixedly mounted on a side wall of the support frame 4, an output shaft of the servo motor 74 is fixedly connected with the lead screw 73, the hydraulic cylinder 75 is fixedly mounted on the sliding seat 72, a telescopic end of the hydraulic cylinder 75 passes through the sliding seat 72 downward and is fixedly connected with the C-shaped frame 76, the drive shaft 77 is rotatably mounted on the C-shaped frame 76, and an upper end of the drive shaft 77 is fixedly connected with a first bevel gear 77a, the bottom end of the driving shaft 77 is fixedly connected with a milling cutter 8, the rotating motor 78 is fixedly installed on the side wall of the C-shaped frame 76, and the output shaft of the rotating motor 78 is sleeved with a second conical gear 78a, the second conical gear 78a and the first conical gear 77 a.

It should be noted that: when milling flutes subassembly 7 uses, drive lead screw 73 through servo motor 74 and rotate, the position of sliding seat 72 is adjusted to lead screw 73, be convenient for carry out milling flutes processing at different positions of PVC pipe, start rotating electrical machines 78, rotating electrical machines 78 drives drive shaft 77 through second conical gear 78a and first conical gear 77a and rotates, drive shaft 77 drives milling cutter 8 and advances the milling flutes, recycle pneumatic cylinder 75 control milling flutes degree of depth and feed, whole course of working accessible programming control servo motor 74, pneumatic cylinder 75 and rotating electrical machines 78 are automatic to be processed, need not manual operation, degree of automation is high, the process velocity is fast.

The automatic PVC pipe groove milling device provided by the utility model has the following working principle:

during processing, PVC pipes are sequentially placed on a feeding assembly 5, the PVC pipes are conveyed to a V-shaped groove 221 below a station of a feeding hole 31 at intervals through the feeding assembly 5, the PVC pipes entering the feeding hole 31 are limited in the V-shaped groove 221 under the action of a pre-positioning assembly 61 and a limit baffle 62, a rotating shaft 21 and a placing frame 22 are driven to rotate by a control driving motor 23 through a first gear 24 and a second gear 25, the PVC pipes at the feeding hole 31 are rotated to a station of a processing port 32, a stepping motor 633 is controlled to rotate, two second bidirectional threaded rods 631 are driven to rotate by the stepping motor 633 through the meshing transmission of a third gear 634 and a fourth gear 635, the two second bidirectional threaded rods 631 drive two second clamping plates 632 to extend into the V-shaped groove 221 and approach the first clamping plate 615 below the station until the two second clamping plates are contacted with the first clamping plate 615 and clamp the PVC pipes in a squeezing mode, and then the lead screw 73 is driven to rotate through a servo motor 74, the screw 73 adjusts the position of the sliding seat 72, which is convenient for milling grooves on different parts of the PVC pipe, the rotating motor 78 is started, the rotating motor 78 drives the driving shaft 77 to rotate through the second conical gear 78a and the first conical gear 77a, the driving shaft 77 drives the milling cutter 8 to enter the milling grooves, the hydraulic cylinder 75 is used for controlling the depth feeding of the milling grooves, the cutter retreats after the processing, the stepping motor 633 is controlled to rotate reversely, the two second bidirectional threaded rods 631 drive the two second clamping plates 632 to move away from each other until exiting from the V-shaped groove 221, the clamping limitation is removed, the driving motor 23 rotates to rotate, the PVC pipe on the working port 32 station is rotated to the discharge port 33 to be discharged, meanwhile, the PVC pipe on the feeding port 31 is driven to carry out the working port 32 station, the automatic groove milling procedure is repeated, the whole device has compact structure, small occupied area, automatic feeding, processing and discharging are realized, and the processing process is protected by the protection box 3, the method reduces the splash of the scraps in the processing process and has high practical value in the automatic groove milling processing process of the PVC pipe.

The circuits and controls involved in the present invention are prior art and will not be described in detail herein.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. The utility model provides an automatic change PVC pipe milling flutes device which characterized in that includes:

a supporting seat (1),

the rotating mechanism (2) is used for driving the PVC pipe to rotate to change the station and is arranged on the two supporting seats (1), the rotating mechanism (2) comprises a rotating shaft (21) and a placing frame (22), the rotating shaft (21) is rotatably arranged on the two supporting seats (1) through a bearing, the placing frame (22) is sleeved in the middle of the rotating shaft (21), and a plurality of V-shaped grooves (221) distributed circumferentially are uniformly formed in the placing frame (22);

the protective box (3) is fixedly arranged on the two supporting seats (1), the rotating shaft (21) and the placing frame (22) are both wrapped in the protective box (3), the top end of the protective box (3) is provided with a feeding hole (31), the side wall of the protective box (3) is provided with a processing hole (32), the protective box (3) is fixedly provided with a supporting frame (4) on the processing hole (32), and the bottom end of the protective box (3) is provided with a discharging hole (33);

the feeding assembly (5) is used for automatic discharging of the PVC pipe, and the feeding assembly (5) is fixedly arranged at the upper end of the protective box (3) and is positioned on one side of the feeding hole (31);

the clamping mechanism (6) is used for fixedly mounting the clamping mechanism (6) for clamping and fixing the PVC pipe on the V-shaped groove (221) and the support frame (4), the clamping mechanism (6) comprises pre-positioning assemblies (61), limiting baffles (62) and clamping assemblies (63), the pre-positioning assemblies (61) are mounted in the V-shaped groove (221), the limiting baffles (62) are fixedly mounted in the protective box (3) and located between the feeding port (31) and the processing port (32), and the clamping assemblies (63) are mounted on the support frame (4) and located in the protective box (3);

and the groove milling assembly (7) is used for fixedly mounting the groove milling assembly (7) on the support frame (4) for processing the PVC pipe.

2. The automatic PVC pipe groove milling device according to claim 1, wherein the rotating mechanism (2) further comprises a driving motor (23), a first gear (24) and a second gear (25), the driving motor (23) is fixedly installed on one of the supporting seats (1), the output end of the driving motor (23) extends into the protective box (3) and is fixedly connected with the first gear (24), and the second gear (25) is sleeved on the rotating shaft (21) and is meshed with the first gear (24).

3. The automatic PVC pipe milling groove device according to claim 1, wherein the feeding assembly (5) comprises a feeding groove (51), a sliding rod (52), a first partition plate (53), a second partition plate (54) and an electric telescopic rod (55), the feeding groove (51) is obliquely arranged at the upper end of the protective box (3) and is positioned at the feeding port (31), the sliding rod (52) is slidably arranged at one end of the feeding groove (51) close to the feeding port (31), one end of the sliding rod (52) is fixedly connected with the first partition plate (53), the first partition plate (53) is positioned at the front end of the feeding groove (51), the other end of the sliding rod (52) is fixedly connected with the second partition plate (54), the second partition plate (54) is positioned at the rear side of the first partition plate (53) and can extend into the feeding groove (51), and the electric telescopic rod (55) is fixedly arranged on the side wall of the feeding groove (51) and the same side wall of the second partition plate (54), and the telescopic end of the electric telescopic rod (55) is fixedly connected with the sliding rod (52).

4. The automatic PVC pipe groove milling device according to claim 1, wherein the pre-positioning assembly (61) comprises a first bidirectional threaded rod (611), a rotating handle (612), support plates (613), a spring (614) and a first clamping plate (615), a sliding groove (222) is formed in the placing frame (22) below the V-shaped groove (221), the first bidirectional threaded rod (611) is rotatably installed in the sliding groove (222), the rotating handle (612) is fixedly connected to one end of the first bidirectional threaded rod (611), the two support plates (613) are slidably installed in the sliding groove (222), the two support plates (613) are symmetrically arranged on the first bidirectional threaded rod (611) and are in threaded connection with the first bidirectional threaded rod (611), one end of the spring (614) is fixedly connected with the support plate (613), and the other end of the spring (614) is fixedly connected with the first clamping plate (615), the first clamping plate (615) is positioned on the inner side of the supporting plate (613) and is connected with the sliding groove (222) in a sliding mode.

5. The automatic PVC pipe groove milling device according to claim 4, wherein the pre-positioning assembly (61) further comprises a mounting seat (616) and a limiting rod (617), the mounting seat (616) is fixedly mounted on the side wall of the placing frame (22) on one side of the V-shaped groove (221), the limiting rod (617) is fixedly mounted on the mounting seat (616), and two ends of the limiting rod (617) are respectively inserted into through holes formed in the first clamping plate (615) on the same side.

6. The automatic PVC pipe slot milling device according to claim 1, wherein the clamping assembly (63) comprises a second bidirectional threaded rod (631), a second clamping plate (632), a stepping motor (633), a third gear (634) and a fourth gear (635), the two second bidirectional threaded rods (631) are rotatably mounted on the support frame (4), the two second clamping plates (632) are symmetrically arranged on the two second bidirectional threaded rods (631) and are in threaded connection with the two second bidirectional threaded rods (631), one ends of the two second bidirectional threaded rods (631) penetrate through the support frame (4) and are fixedly connected with the third gear (634), the stepping motor (633) is fixedly arranged on the side wall of the support frame (4) close to the third gear (634), the fourth gear (635) is fixedly connected with an output shaft of the stepping motor (633), and the fourth gear (635) is meshed with the third gear (634).

7. The automatic PVC pipe groove milling device according to claim 1, wherein the groove milling assembly (7) comprises support rods (71), sliding seats (72), a lead screw (73), a servo motor (74), a hydraulic cylinder (75), a C-shaped frame (76), a drive shaft (77) and a rotating motor (78), the two support rods (71) are fixedly installed on the support frame (4), the sliding seats (72) are slidably installed on the two support rods (71), the lead screw (73) is rotatably installed on the support frame (4) and located between the two support rods (71), the lead screw (73) penetrates through the sliding seats (72) and is in threaded connection with the sliding seats (72), the servo motor (74) is fixedly installed on the side wall of the support frame (4), the output shaft of the servo motor (74) is fixedly connected with the lead screw (73), the hydraulic cylinder (75) is fixedly installed on the sliding seats (72), and the flexible end of pneumatic cylinder (75) passes sliding seat (72) fixedly connected with C type frame (76) downwards, drive shaft (77) rotate to be installed on C type frame (76), and the upper end fixedly connected with first conical gear (77a) of drive shaft (77), the bottom fixedly connected with milling cutter (8) of drive shaft (77), rotating electrical machines (78) fixed mounting is on the lateral wall of C type frame (76), and overlaps on the output shaft of rotating electrical machines (78) and is equipped with second conical gear (78a), second conical gear (78a) and first conical gear (77 a).

8. The automated PVC pipe milling groove device according to claim 1, wherein the side wall of the protective box (3) on the side of the rotating handle (612) is provided with a box door (9) by a hinge.

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