CN111716436A

CN111716436A - Automatic unloading cutting device of PE pipe

Info

Publication number: CN111716436A
Application number: CN202010506564.8A
Authority: CN
Inventors: 潘倩倩
Original assignee: 潘倩倩
Current assignee: Shandong Reid Pipe Industry Co.,Ltd.
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2020-09-29
Anticipated expiration: 2040-06-05
Also published as: CN111716436B

Abstract

The invention discloses an automatic PE pipe blanking device which comprises a box body, a groove body, a discharging groove, a conveying device, a material receiving box and a blanking device, wherein the groove body is formed in the box body; the blanking device comprises a pair of conveying rollers, a conveying belt sleeved outside the conveying rollers, a plurality of conveying plates arranged on the conveying belt, a blocking roller arranged on one side of the conveying plate, a plurality of baffles arranged on the blocking roller and a blocking device arranged below the baffles; the PE pipe is conveyed through the conveying belt, manual carrying is not needed, the labor amount of workers is reduced, seven PE pipes are cut through the cutting mechanism, the PE pipe cutting machine is more convenient to use, the labor cost is reduced, the abrasion of the PE pipes when the PE pipes fall is reduced by arranging the damping devices, and the quality of finished PE pipes is ensured.

Description

Automatic unloading cutting device of PE pipe

Technical Field

The invention belongs to the technical field of blanking, and particularly relates to an automatic blanking and cutting device for a PE pipe.

Background

The blanking machine of PE pipe processing among the prior art is on the carriage of blanking machine is all artifical to place the steel pipe, carry the steel pipe to the blanking machine processing position through the conveyer belt, but artifical transport steel pipe intensity of labour is big, and production efficiency is low, is provided with the storage area on some blanking machines, lets the PE pipe roll through the manual work and falls and alleviate intensity of labour, but the steel pipe can not avoid the striking on the transportation frame when falling on the transportation frame, influences the off-the-shelf quality of steel pipe.

Disclosure of Invention

The invention provides an automatic PE pipe blanking and cutting device for overcoming the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: PE pipe is automatic

The blanking cutting device comprises a box body, a groove body arranged in the box body, a discharging groove arranged on the box body, a conveying device arranged in front of the box body, a material receiving box arranged in front of the conveying device and a blanking device arranged in the box body; the blanking device comprises a pair of conveying rollers, a conveying belt sleeved outside the conveying rollers, a plurality of conveying plates arranged on the conveying belt, a blocking roller arranged on one side of the conveying plate, a plurality of baffles arranged on the blocking roller and a blocking device arranged below the baffles; the rotatable setting of transfer roller is in the box, and the PE pipe contacts in the conveying board, can only place a PE pipe between per two conveying boards, and the baffle can be to the relative separation of conveying board.

The PE pipe is placed into the discharging groove at one time, when falling onto the conveying plate from the discharging groove, the conveying belt is driven to rotate by means of the power of the PE pipe, the conveying plate can drive the baffle plate to rotate, and the baffle plate drives the baffle roller to rotate; through the power with the help of PE pipe self, drive conveyer and rotate, need not with the help of extra power source, save enterprise's fund, realize synchronous efficiency higher high efficiency, simultaneously also great reduction the labour, only allow a PE pipe to pass through between every conveying board, indirect reduction mutual collision between the PE pipe has improved PE pipe finished product quality.

The blocking device comprises a blanking plate, a guide rod arranged on the blanking plate, a plurality of first springs arranged at the lower part of the blanking plate, a moving device arranged at one side of the first springs and a switch assembly arranged on the blanking plate; the blanking plate can move up and down along the guide rod, one end of the first spring is fixedly connected to the bottom of the blanking plate, and the other end of the first spring is fixedly connected to the box body.

When the PE pipe falls onto the blanking plate, the blanking plate moves downwards, and the first spring is compressed; through the effect of guide bar, can carry out the effect of direction to the flitch down, the flitch carries out the downstream, can control under the effect of first spring and rock, and the guide bar can be so that down the flitch carry out regular removal that has the orbit for whole working process is more smooth, and also greatly reduced labour capacity has improved work efficiency simultaneously.

The blanking plate comprises a plate body, a blanking hole formed in the upper portion of the plate body, grooves formed in the left side and the right side of the blanking hole, damping blocks arranged on the upper side and the lower side in the grooves, a damping plate used for being connected with the damping blocks, damping strips penetrating through the inner portion of the damping plate and damping springs arranged on one side of the damping blocks; the damping block can move in the groove, the damping plate is fixedly connected with the damping block, and the damping strip can move in the damping plate.

At the moment, the PE pipe falls into the feed opening, the damping strip is in contact with the PE pipe, the damping strip moves, the damping strip drives the damping plate to move, the damping plate drives the damping block to move, and the damping spring is compressed; because the weight of PE pipe self can down push down the snubber block, and the snubber block can carry out the effect of shock attenuation buffering to the PE pipe, has guaranteed the finished product quality of PE pipe self when the buffering, has also guaranteed simultaneously that the flitch is life-span down, saves the fund of enterprise, and greatly reduced labour has improved the efficiency of production, is favorable to the healthy development of staff.

The switch assembly comprises a first air cylinder, a telescopic rod arranged in front of the first air cylinder, a push plate arranged in front of the telescopic rod, a lower pressure rod arranged in front of the push plate, a lower pressure spring arranged at the lower part of the lower pressure rod, a fixed block arranged at the lower part of the lower pressure spring, a through groove arranged in the fixed block, a plurality of switch springs arranged in the through groove, and a plurality of switch buttons arranged among the springs; the lower pressure rod can move up and down in the feed opening, and the push plate can move back and forth on the feed opening.

When the PE pipe descends, the PE pipe is also contacted with the lower pressing rod, the lower pressing rod moves downwards and is contacted with the first switch button, the first air cylinder is started, the first air cylinder drives the telescopic rod to move forwards, the telescopic rod drives the push plate to move forwards, the PE pipe is moved forwards by the push plate, when the weight of the PE pipe is larger, the lower pressing rod moves downwards greatly and is contacted with the second or third switch button, the first air cylinder is started, the first air cylinder drives the telescopic rod to move forwards, and the telescopic rod drives the push plate to move forwards greatly; through the power with the help of PE pipe self, the range that carries out the downward movement to the holding down lever is directly proportional, when PE pipe weight is less, the range that the holding down lever removed is less, the shift knob range that the holding down lever touched is less, shift knob of first grade drives first cylinder and starts, when PE pipe weight is great, the range that the holding down lever removed is great, the shift knob range that the holding down lever touched is great, the shift knob range of second grade or third grade drives first cylinder and starts, borrow PE pipe weight direct control shift knob, make energy-concerving and environment-protective more of power like this, make the effect of PE pipe propelling movement better simultaneously, when the work is over, under switch spring's effect, realize shift knob automatic re-setting, moreover, the steam generator is simple in structure convenient, it is not required the workman to operate, the labour greatly reduced, and the production efficiency is improved.

The moving device comprises a moving rod, a moving plate arranged at the lower part of the moving rod, a fixed rod arranged at the lower part of the moving plate, a long rod arranged at the right side of the moving plate and a clamping device arranged at the upper part of the long rod; the movable rod can be abutted against the movable plate, the fixed rod is hinged with the movable plate, and the movable plate can drive the long rod to move up and down.

When the plate body moves downwards, the plate body drives the moving rod to move downwards, the moving rod presses the moving plate downwards, the left end of the moving plate moves downwards, the right end of the moving plate is lifted upwards, and the long rod is lifted upwards; through with the help of the plate body downstream, drive the carriage release lever and carry out downstream, realize the more smooth of whole working process, the more high-efficient of process synchronization efficiency, simultaneously under the effect of movable plate, can cushion the power that descends, can prolong the life-span of plate body again, more energy-concerving and environment-protective reduces unnecessary fund expense, labour saving and time saving.

The clamping device comprises a second spring, a push block arranged on the left side of the second spring, a U-shaped block arranged on the left side of the push block, a fixed spring arranged in the middle of the U-shaped block, a rectangular fixed block arranged on the left side of the fixed spring, pistons arranged at the upper end and the lower end of the U-shaped block, a cavity sleeved outside the pistons, a reset spring arranged on one side of the cavity and a clamping plate arranged on one side of the reset spring; the push block can move left and right in the groove body, the piston can move left and right in the cavity, the clamping plate can move up and down in the cavity, and the clamping plate can be contacted with the baffle plate.

The long rod is lifted upwards, the long rod is in contact with the push block, the push block moves leftwards, the push block drives the U-shaped block to move leftwards, the U-shaped block drives the piston to move leftwards, under the action of air pressure, the two clamping plates move oppositely to clamp the baffle, the baffle blocks the conveying plate, and the conveying plate cannot rotate; through the effect of second spring, make the ejector pad realize resetting fast, make the more smooth of whole work, the application ejector pad drives the U-shaped piece and removes, make the more smooth of whole work, synchronous efficiency is more high-efficient, under the effect of atmospheric pressure, carry out the separation to the baffle, the effectual phenomenon that prevents PE pipe landing, it cuts as individual whereabouts to have guaranteed that the PE pipe carries out, whole working process greatly reduced labour has improved production efficiency, the quality of PE pipe production has been guaranteed.

The conveying device comprises a conveying groove, an inclined plate arranged on the conveying groove, a conveying belt arranged in the conveying groove, a sliding groove in the front of the conveying groove, a movable sliding rod arranged in the sliding groove, an inner supporting rod arranged on the movable sliding rod and a cutting mechanism arranged at the upper part of the conveying groove; the inclined plate is fixedly connected with the conveying groove, and the moving rod can move left and right in the sliding groove.

The push rod pushes the PE pipe to move forwards, the PE pipe slides down from the inclined plate, the PE pipe is conveyed forwards by the conveyor belt, when the PE pipe moves to a certain degree, the slide rod moves, when the PE pipe is level with the PE pipe, the inner support rod supports the interior of the PE pipe to support the interior of the PE pipe, when the PE pipe is cut, the slide rod moves to the right, and the cut PE pipe is placed into the material placing groove; through the setting of hang plate, can be so that PE manages more smoothly of propelling movement, the conveyer belt drives the PE pipe and carries out the conveying forward, greatly reduced the labour make a round trip to carry the time of PE pipe, labour saving and time saving has improved production efficiency, the interior vaulting pole can carry out inside fixed to the PE pipe, has effectually placed the PE pipe and has carried out rocking about when the cutting, has improved PE pipe stability.

The cutting mechanism comprises a second cylinder, a second telescopic rod arranged on the upper portion of the second cylinder, a mounting plate arranged on the upper portion of the second telescopic rod, a pressing portion arranged on one side of the mounting plate and a cutting machine arranged on the mounting plate.

At the moment, the PE pipe is cut, the second air cylinder is started, drives the second telescopic rod to move, the mounting plate moves, drives the pressing part to press the PE pipe through the mounting plate, and the cutting machine cuts the PE pipe; through the drive of second cylinder for whole working process has realized automatic cutting, presses the splenium to press the PE pipe in addition, and fixed effect is more high-efficient, full-automatic production, labour saving and time saving, greatly reduced labour.

The PE pipe is conveyed through the conveying belt, manual carrying is not needed, the labor amount of workers is reduced, seven PE pipes are cut through the cutting mechanism, the PE pipe cutting machine is more convenient to use, the labor cost is reduced, the abrasion of the PE pipes when the PE pipes fall is reduced by arranging the damping devices, and the quality of finished PE pipes is ensured.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a cross-sectional perspective view taken along a-a in fig. 2.

Fig. 4 is an enlarged view of a structure shown in fig. 3.

Fig. 5 is an enlarged view of the structure at B in fig. 3.

Fig. 6 is a rear view of the present invention.

Fig. 7 is a cross-sectional perspective view taken along B-B in fig. 6.

Fig. 8 is an enlarged view of the structure at C in fig. 7.

FIG. 9 is a schematic view of a cutting mechanism according to the present invention.

Detailed Description

As shown in fig. 1-9, an automatic blanking and cutting device for PE pipes comprises a box body 1, a trough body 2, a discharge chute 3, a conveying device 4, a material receiving box 5 and a blanking device 6; the tank body 2 is arranged on the right side inside the tank body 1; the discharging groove 3 is arranged at the upper part of the box body 1 and is fixedly connected with the box body; the conveying device 4 is arranged at the front part of the box body 1; the material receiving box 5 is arranged at the front part of the conveying device 4 and is fixedly connected with the front part of the conveying device; the blanking device 6 is arranged inside the box body 1.

As shown in fig. 3 and 5, the blanking device 6 includes a pair of conveying rollers 60, a conveying belt 61, a conveying plate 62, a baffle roller 63, a baffle 64, and a blocking device 7; the pair of conveying rollers 60 are arranged in the box body 1 in an inclined manner; the conveying belt 61 is sleeved outside the pair of conveying rollers 60; the number of the conveying plates 62 is multiple, the conveying plates 62 are uniformly distributed on the conveying belt 61 at intervals and fixedly connected, only one PE pipe is allowed to pass through between every two conveying plates 62, two sides of each conveying plate 62 are tightly attached to the interior of the box body 1, and the conveying plates 62 can drive the conveying belt 61 to rotate; the baffle roller 63 is arranged in the box body 1 and can be rotatably connected; the number of the baffle plates 64 is 4, and the baffle plates are distributed in a cross shape in the circumferential direction of the baffle roller 63 at uniform intervals and are fixedly connected; the blocking device 7 is arranged below the baffle plate 64.

As shown in fig. 3 and 5, the blocking device 7 includes a blanking plate 70, a guide rod 71, a first spring 72, a moving device 8 and a switch assembly 9; the blanking plate 70 is arranged at the lower part in the box body 1; the guide rod 71 is arranged inside the box body 1 and fixedly connected with the box body; the number of the first springs 72 is 2, one end of each first spring is fixedly connected with the bottom of the blanking plate 70, the other end of each first spring is fixedly connected with the inside of the box body 1, and the blanking plate 70 can move up and down in the box body 1; the moving device 8 is arranged on the right side of the blanking plate 70; the switch assembly 9 is disposed inside the blanking plate 70.

As shown in fig. 3 to 4, the blanking plate 70 includes a plate body 701, a blanking opening 702, a groove 703, a damper block 704, a damper plate 705, a damper bar 706, and a damper spring 707; the plate body 701 is arranged in the box body 1 and can move up and down in the box body 1; the feed opening 702 is formed in the upper portion of the plate body 701, and the PE pipe can fall into the feed opening 702; the number of the grooves 703 is 2, and the grooves are respectively formed in the left side and the right side of the feed opening 702; the number of the shock absorption blocks 704 is 2, and the shock absorption blocks are respectively arranged on the upper side and the lower side in the groove 703; the damping plate 705 is used for connecting the damping block 704 and is fixedly connected with the damping block 704; the damping strip 706 penetrates through the inside of the damping plate 705 and moves inside the damping plate 705; the number of the damping springs 707 is 2, one end of each damping spring is fixedly connected with the damping block 704, and the other end of each damping spring is fixedly connected with the groove 703.

As shown in fig. 7-8, the switch assembly 9 includes a first cylinder 90, a first telescopic rod 91, a push plate 92, a lower rod 93, a lower spring 94, a fixing block 95, a through slot 96, a switch spring 97 and a switch button 98; the first air cylinder 90 is arranged at the rear part of the box body 1 and is fixedly connected with the box body; the first telescopic rod 91 is arranged at the front part of the first air cylinder 90 and fixedly connected with the front part, and penetrates through the box body 1; the push plate 92 is arranged at the front part of the first telescopic rod 91 and is fixedly connected with the front part of the first telescopic rod, and the push plate can move back and forth on the feed opening 72; the lower pressure rod 93 is arranged at the front part of the push plate 92 and can move up and down in the feed opening 72; the lower pressing spring 94 is arranged at the lower part of the lower pressing rod 93 and is fixedly connected with the lower pressing rod; the fixed block 95 is arranged at the lower part of the lower pressing spring 94 and is fixedly connected with the lower pressing spring; the through groove 96 is formed in the fixing block 95; the number of the switch springs is 3, and the switch springs are uniformly distributed in the through groove 96 at intervals; the number of the switch buttons 98 is 3, the switch buttons are uniformly distributed between every two open optical springs 94 at intervals and are fixedly connected, and the first switch button 98 is in contact with the lower pressing rod 93.

As shown in fig. 3, the moving device 8 includes a moving rod 80, a moving plate 81, a fixed rod 82, a long rod 83 and a clamping device 20; the movable rod 80 is arranged on the right side of the lower part of the plate body 701 and is fixedly connected with the lower part of the plate body 701; the moving plate 81 is arranged at the lower part of the moving rod 80, the left side of the moving plate 81 can be abutted against the moving rod 80, and the left side of the moving plate 81 and the right side of the moving plate 81 move oppositely; the fixed rod 82 is arranged at the bottom of the moving plate 81 and is movably connected, and the bottom of the fixed rod 82 is fixedly connected with the inside of the box body 1; the long rod 83 is arranged on the right side of the upper part of the moving plate 81; the moving plate 81 can drive the long rod 83 to move upwards; the holding device 20 is provided on the upper part of the bar 83.

As shown in fig. 3 and 5, the clamping device 20 includes a second spring 21, a push block 22, a U-shaped block 23, a fixed spring 24, a rectangular fixed block 25, a cavity 26, a piston 241, a return spring 27 and a clamping plate 28; the second spring 21 is arranged at the upper part of the long rod 83, and one end of the second spring is fixedly connected with one side of the box body 1; the push block 22 is arranged at the other end of the second spring 21 and fixedly connected, and the push block 22 can move in the groove body 2; the U-shaped block 23 is arranged on the left side of the push block 22, and the push block 22 can push the U-shaped block 23 to move; one end of the fixed spring 24 is arranged in the middle of the U-shaped block 23 and fixedly connected with the U-shaped block; the rear part of the rectangular fixing block 25 is arranged in the box body 1 and fixedly connected, and the other end of the fixing spring 24 is fixedly connected with the right side of the rectangular fixing block 25; the number of the cavities 26 is 2, and the cavities are respectively arranged at the upper side and the lower side of the rectangular fixing block 25; the piston 241 is arranged in the cavity 26 and can move left and right in the cavity 26, and one end of the piston 241 is fixedly connected with the U-shaped rod; one end of the return spring 27 is arranged in the cavity 26 and fixedly connected with the cavity; the clamping plate 28 is arranged at the other end of the return spring 27 and is fixedly connected with the other end of the return spring.

As shown in fig. 7, the conveying device 4 includes a conveying groove 40, an inclined plate 41, a conveyor belt 42, a chute 43, a movable slide bar 44, an inner brace 45 and a cutting mechanism 30; the conveying groove 40 is arranged at the front part of the box body 1 and is fixedly connected with the box body; the inclined plate 41 is arranged at the rear part of the conveying groove 40, and the left side and the right side of the inclined plate 41 are fixedly connected with the left side and the right side of the conveying groove 40; the conveyor belt 42 is arranged inside the conveying groove 40; the sliding chute 43 is arranged at the front part of the conveying chute 40; the movable sliding rod 44 is arranged in the sliding groove 43 and can move left and right in the sliding groove 43; the inner support rod 45 is arranged at the upper part of the movable sliding rod 44 and is fixedly connected with the upper part of the movable sliding rod; the cutting mechanism 30 is provided on the right side of the transfer slot 40.

As shown in fig. 9, the cutting mechanism 30 includes a second cylinder 31, a second telescopic rod 32, a mounting plate 33, a pressing portion 34, and a cutter 35; the second cylinder 31 is arranged outside the conveying groove 40 and fixedly connected with the right side; the second telescopic rod 32 is arranged at the upper part of the second cylinder 31 and is fixedly connected with the upper part of the second cylinder; the mounting plate 33 is arranged at the upper part of the second telescopic rod 32 and is fixedly connected with the upper part of the second telescopic rod; the pressing part 34 is arranged at the front part of the mounting plate 33 and fixedly connected with the mounting plate; the cutting machine 35 is arranged on the left side of the mounting plate 33 and fixedly connected with the mounting plate.

The specific working process is as follows: the PE pipe is placed into the discharging groove 3 at one time, when the PE pipe falls onto the conveying plate 62 from the discharging groove 3, the conveying belt 61 is driven to rotate by the power of the PE pipe, the conveying plate 62 can drive the baffle plate 64 to rotate, the baffle plate 64 drives the baffle roller 63 to rotate, the PE pipe falls into the discharging opening 702, the shock absorption strip 706 is in contact with the PE pipe, the shock absorption strip 706 moves, the shock absorption strip 706 drives the shock absorption plate to move, the shock absorption plate 705 drives the shock absorption block 704 to move, the shock absorption spring 707 is compressed, the PE pipe also contacts with the lower pressing rod 93 when descending, the lower pressing rod 93 moves downwards, the lower pressing rod 93 contacts with the first switch button 98, the first air cylinder 90 is started, the first air cylinder 90 drives the first air cylinder 91 to move forwards, the first telescopic rod 91 drives the push rod 92 to move forwards, and the PE pipe is moved forwards by the push rod, when the weight of the PE pipe is large, the lower pressing rod 93 moves downward greatly, the lower pressing rod 93 contacts with the second or third switch button 98, which is to start the first air cylinder 90, the first air cylinder 90 drives the first telescopic rod 91 to move forward, the first telescopic rod 91 drives the pushing plate 92 to move forward greatly, while the plate body 701 moves downward, the plate body 701 drives the moving rod 80 to move downward, the moving rod 80 presses the moving plate 81 downward, the left end of the moving plate 81 moves downward, the right end of the moving plate 81 lifts upward, the long rod 83 contacts with the pushing block 22, the pushing block 22 moves leftward, the pushing block 22 drives the U-shaped block 23 to move leftward, the U-shaped block 23 drives the piston 241 to move leftward, and under the action of air pressure, the two clamping plates 28 move toward each other to clamp the baffle plate 64, baffle 64 carries out the separation to conveying plate 62, at this moment conveying plate 62 will unable rotation, push pedal 92 promotes the PE pipe and moves forward, the PE pipe landing is carried out from hang plate 41, at this moment the PE pipe is carried out forward by the conveyer belt, when moving to the certain degree, remove slide bar 44 and move, when moving to flushing with the PE pipe, at this moment interior vaulting pole props 45 inside the PE pipe, support the PE pipe is inside, the PE pipe cuts, start second cylinder 31, second cylinder 31 drives second telescopic link 32 and moves, at this moment mounting panel 33 moves, mounting panel 33 drives and presses the splenium 34 and press the PE pipe, cutting machine 35 cuts the PE pipe, when the PE pipe cutting finishes, remove slide bar 44 and move right, put into blowing inslot 3 with the PE pipe that cuts.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An automatic blanking and cutting device for PE pipes comprises a box body (1), a groove body (2) arranged in the box body (1), a discharging groove (3) arranged on the box body (1), a conveying device (4) arranged in front of the box body (1), a material collecting box (5) arranged in front of the conveying device (4) and a blanking device (6) arranged in the box body (1); the method is characterized in that: the blanking device (6) comprises a pair of conveying rollers (60), a conveying belt (61) sleeved outside the pair of conveying rollers (60), a plurality of conveying plates (62) arranged on the conveying belt (61), a blocking roller (63) arranged on one side of the conveying plates (62), a plurality of baffles (64) arranged on the blocking roller (63) and a blocking device (7) arranged below the baffles (64); the conveying rollers (60) are rotatably arranged in the box body (1), the PE pipes are in contact with the conveying plates (62), only one PE pipe can be placed between every two conveying plates (62), and the baffle plates (64) can be used for blocking the conveying plates (62) relatively.

2. The automatic blanking and cutting device for the PE pipes as claimed in claim 1, wherein: the blocking device (7) comprises a blanking plate (70), a guide rod (71) arranged on the blanking plate (70), a plurality of first springs (72) arranged at the lower part of the blanking plate (70), a moving device (8) arranged at one side of the first springs (72) and a switch assembly (9) arranged on the blanking plate (70); the blanking plate (70) can move up and down along the guide rod (71), one end of the first spring (72) is fixedly connected with the bottom of the blanking plate (70), and the other end of the first spring is fixedly connected in the box body (1).

3. The automatic blanking and cutting device for the PE pipes as claimed in claim 2, wherein: the blanking plate (70) comprises a plate body (701), a feed opening (702) arranged at the upper part of the plate body (701), grooves (703) arranged at the left side and the right side of the feed opening (702), damping blocks (704) arranged at the upper side and the lower side in the grooves (703), a damping plate (705) used for connecting the damping blocks (704), damping strips (706) arranged in the damping plate (705) in a penetrating manner and damping springs (707) arranged at one side of the damping blocks (704); the shock absorption block (704) can move in the groove (703), the shock absorption plate (705) is fixedly connected with the shock absorption block (704), and the shock absorption strip (706) can move in the shock absorption plate (705).

4. The automatic blanking and cutting device for the PE pipes as claimed in claim 2, wherein: the switch assembly (9) comprises a first air cylinder (90), a first telescopic rod (91) arranged at the front part of the first air cylinder (90), a push plate (92) arranged at the front part of the first telescopic rod (91), a lower pressing rod (93) arranged at the front part of the push plate (92), a lower pressing spring (94) arranged at the lower part of the lower pressing rod (93), a fixed block (95) arranged at the lower part of the lower pressing spring (94), a through groove (96) arranged inside the fixed block (95), a plurality of switch springs (97) arranged inside the through groove (96), and a plurality of switch buttons (98) arranged among the switch springs (97); the lower pressing rod (93) can move up and down in the feed opening (702), and the pushing plate (92) can move back and forth on the feed opening (702).

5. The automatic blanking and cutting device for the PE pipes as claimed in claim 2, wherein: the moving device (8) comprises a moving rod (80), a moving plate (81) arranged at the lower part of the moving rod (80), a fixed rod (82) arranged at the lower part of the moving plate (81), a long rod (83) arranged at the right side of the moving plate (81) and a clamping device (20) arranged at the upper part of the long rod (83); the movable rod (80) can be abutted against the movable plate (81), the fixed rod is hinged with the movable plate (81) of the fixed rod (82), and the movable plate (81) can drive the long rod (83) to move up and down.

6. The automatic blanking and cutting device for the PE pipes as claimed in claim 5, wherein: the clamping device (20) comprises a second spring (21), a push block (22) arranged on the left side of the second spring (21), a U-shaped block (23) arranged on the left side of the push block (22), a fixed spring (24) arranged in the middle of the U-shaped block (23), a rectangular fixed block (25) arranged on the left side of the fixed spring (24), pistons (241) arranged at the upper end and the lower end of the U-shaped block (23), a cavity (26) sleeved outside the pistons (241), a return spring (26) arranged on one side of the cavity (26) and a clamping plate (28) arranged on one side of the return spring (27); the push block (22) can move left and right in the groove body (2), the piston (241) can move left and right in the cavity (26), the clamping plate (28) can move up and down in the cavity (26), and the clamping plate (28) can be contacted with the baffle.

7. The automatic blanking and cutting device for the PE pipes as claimed in claim 1, wherein: the conveying device (4) comprises a conveying groove (40), an inclined plate (41) arranged on the conveying groove (40), a conveying belt (42) arranged in the conveying groove (40), a sliding groove (43) in the front of the conveying groove (40), a movable sliding rod (44) arranged in the sliding groove (43), an inner supporting rod (45) arranged on the movable sliding rod (44) and a cutting mechanism (30) arranged at the upper part of the conveying groove (40); the inclined plate (41) is fixedly connected with the conveying groove (40), and the movable sliding rod (44) can move left and right in the sliding groove (43).

8. The automatic blanking and cutting device for the PE pipes as claimed in claim 7, wherein: the cutting mechanism (30) comprises a second air cylinder (31), a second telescopic rod (32) arranged on the upper portion of the second air cylinder (31), a mounting plate (33) arranged on the upper portion of the second telescopic rod (32), a pressing portion (34) arranged on one side of the mounting plate (33) and a cutting machine (35) arranged on the mounting plate (33).