CN112847521A

CN112847521A - PVC pipe cutting equipment for controlling cutting opening and closing based on movable pulley principle

Info

Publication number: CN112847521A
Application number: CN202110023999.1A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-05-28

Abstract

The invention relates to the technical field of pipe machining equipment and discloses PVC pipe cutting equipment for controlling cutting start and stop based on a movable pulley principle. This PVC pipe cutting equipment based on movable pulley principle control cutting is opened and close makes the rolling disc rotate through pushing down the clamp plate and collects the nylon rope, and the layer board shifts up to make the baffle be close to restriction tubular product lateral displacement mutually, and clamp splice two compresses tightly the tubular product upside gradually simultaneously, and cooperation clamp splice one presss from both sides tight tubular product, and the clamp plate rotates clockwise to make the contact intercommunication start the cutting wheel, receives the self gravity effect of layer board after the completion, and clamp plate anticlockwise rotation resumes the normal position, improve equipment's degree of automation.

Description

PVC pipe cutting equipment for controlling cutting opening and closing based on movable pulley principle

Technical Field

The invention relates to the technical field of pipe processing equipment, in particular to PVC pipe cutting equipment for controlling cutting opening and closing based on a movable pulley principle.

Background

PVC is polyvinyl chloride, be the macromolecular material that chloroethylene obtained through the addition polymerization, after polyethylene and polypropylene, the synthetic plastic polymer of the most extensive production of the third kind, wherein the PVC pipeline is the plastic conduit of market share, need cut in the PVC tubular product production process, current PVC pipe production is with cutting positioner need lay before the cutting and press from both sides tight tubular product, need take out tubular product after the end cutting, loaded down with trivial details handling process can influence tubular product cutting efficiency, and need open and close the cutting switch in the tubular product cutting process, when the production task is heavy, often can forget to close the switch, the cutting wheel rotates the cutting all the time and has increased the risk, can cause the incident when serious, harm staff's health.

In order to solve the problems, the inventor provides a PVC pipe cutting device for controlling cutting opening and closing based on a movable pulley principle, the PVC pipe cutting device for controlling cutting opening and closing based on the movable pulley principle is characterized in that a rotating disc rotates to collect a nylon rope by pressing a pressing plate downwards, a fixed pulley drives a supporting plate to move upwards, baffles are close to each other by matching with transmission of a connecting rod I to limit the pipe to move leftwards and rightwards, the pressing plate presses downwards at the same time to enable a clamping block II to gradually press the upper surface of the pipe, the clamping block I is matched to clamp the pipe circumferentially, the pressing plate rotates clockwise to drive a moving contact to be communicated with a starting motor to enable a cutting wheel to operate, after cutting is finished, the pressing plate rotates anticlockwise to restore the original position under the action of the gravity of the supporting plate, the effect of automatically opening and closing the cutting.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides PVC pipe cutting equipment for controlling cutting opening and closing based on a movable pulley principle, which has the advantages of circumferentially clamping a pipe when being pressed down and automatically opening and closing a cutting wheel based on the movable pulley principle, and solves the problems that the pipe needs to be assembled and disassembled and positioned in the cutting process and the equipment needs to be opened and closed through opening and closing in the cutting process.

(II) technical scheme

In order to realize the purposes of circumferentially clamping the pipe during pressing and automatically opening and closing the cutting wheel based on the movable pulley principle, the invention provides the following technical scheme: a PVC pipe cutting device for controlling cutting opening and closing based on a movable pulley principle comprises a frame body, wherein a first limiting rod is fixedly connected to the bottom end of the frame body, a supporting plate is connected to the outer portion of the first limiting rod in a limiting mode, a first spring is elastically connected to the top end of the supporting plate, a fixed pulley is rotatably connected to the bottom end of the supporting plate, a nylon rope is wound around the periphery of the fixed pulley, a fixed block is fixedly connected to the right end of the nylon rope, a rotating disc is fixedly connected to the left end of the nylon rope, a first connecting rod is hinged to the left end and the right end of the supporting plate, a first baffle is hinged to the top end of the first connecting rod, a first clamping block is elastically connected to the bottom of the baffle through a second spring, a limiting transverse column is fixedly connected to the top end of the frame body, a pressing plate is rotatably, the end part elastic connection of bull stick has the contact, the top fixedly connected with intercommunication frame of the left end of support body, the inside spacing connection of clamp plate has gag lever post two, the one end fixedly connected with briquetting of clamp plate is kept away from to gag lever post two, the other end fixedly connected with clamp splice two of briquetting, the inside spacing connection of briquetting has the crossbar.

Preferably, the lower surface of the frame body is provided with a groove, the bottom end of the frame body is elastically connected to the top end of the supporting plate through a spring, the outside of the first limiting rod is matched with the inside of the supporting plate, and the movement direction of the supporting plate is limited through the first limiting rod.

Preferably, the left end and the right end of the supporting plate are connected with a baffle through a first connecting rod in a transmission mode, the right side of the bottom of the frame body is fixedly connected with a fixed block, and the distance between the supporting plates is changed through the fact that the baffle moves up and down in a matching mode with the first connecting rod in a transmission mode.

Preferably, the top end of the rotating disc is fixedly connected with a nylon rope, the rotating disc, the pressing plate and the rotating rod are located at the same rotating axis, the inner portion of the baffle is matched with the outer portion of the limiting transverse column, clamping blocks I are arranged on the outer portion of the limiting transverse column at equal intervals, the upper surface of each clamping block I and the lower surface of each clamping block II are of arc structures, and the clamping blocks I and the clamping blocks II are close to the upper side and the lower side of the clamped pipe mutually.

Preferably, the first clamping blocks are elastically connected through the second springs, the first clamping blocks and the baffle are respectively in limited connection with the outer portions of the limiting transverse columns, power of the cutting wheel comes from an external motor, and the distance between the baffle and the first clamping blocks is limited through the limiting transverse columns.

Preferably, the contacts are divided into two groups, one group of contacts is movably connected to the end portion of the rotating rod, the other group of contacts is fixedly connected to the arc-shaped inner wall of the communicating frame, the contacts are electrically connected with an external motor, and the opening and closing states of the motor are changed through the contacts through the communication of the contacts along with the rotation of the rotating rod.

Preferably, the inside of the pressing plate is matched with the outside of the second limiting rod, the inside of the pressing block is movably connected with a cross rod, the cross rod is composed of two connecting rods which are hinged with each other, a spring is elastically connected between the cross rods, and pressing force of the pressing block is changed by pressing the pressing plate downwards.

(III) advantageous effects

Compared with the prior art, the invention provides a PVC pipe cutting device for controlling cutting opening and closing based on a movable pulley principle, which has the following beneficial effects:

1. this PVC pipe cutting equipment based on cutting of movable pulley principle control is opened and close, left end through the support body rotates and is connected with the clamp plate, place tubular product in clamp splice one top, during the clamp plate of pushing down, the clamp plate drives the rolling disc and rotates and collect the nylon rope, the position of fixed block is unchangeable, based on the movable pulley principle, the fixed pulley drives layer board rebound, transmission through connecting rod one makes and is close to each other between the baffle, control about the restriction tubular product, simultaneously along with the clamp plate pushes down, clamp splice two contact tubular product surfaces this moment, the compression of cooperation crossbar, inside gag lever post two compresses tightly the clamp plate gradually, make clamp splice two compress tightly the tubular product upside gradually, the centre gripping of cooperation clamp splice one, thereby reach the effect that circumference presss from both sides tight tubular product when pushing down, improve.

2. This PVC pipe cutting equipment based on movable pulley principle control cutting is opened and close, left end through the support body rotates and is connected with the clamp plate, because clamp plate and bull stick are in same axis of rotation, the bull stick drives the contact clockwise rotation along with the clamp plate clockwise rotation, when treating that the contact rotates and gets into intercommunication frame inner wall, contact intercommunication starter motor, cutting wheel operation cutting, after finishing using, put down the clamp plate, receive fixed pulley and layer board self gravity, drag the nylon rope downstream, the rolling disc drives the anticlockwise rotation of clamp plate, make contact disconnection, the while clamp plate anticlockwise rotation resumes the normal position, thereby reach the effect based on movable pulley principle automatic start-stop cutting wheel, improve equipment's degree of automation.

Drawings

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

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

FIG. 3 is a plan sectional view of a clamp block of the present invention;

FIG. 4 is a schematic view of the clamping block II of the present invention.

In the figure: 1. a frame body; 2. a first limiting rod; 3. a support plate; 4. a first spring; 5. a fixed pulley; 6. a nylon cord; 7. a fixed block; 8. rotating the disc; 9. a first connecting rod; 10. a baffle plate; 11. a second spring; 12. a first clamping block; 13. a limiting transverse column; 14. pressing a plate; 15. a cutting wheel; 16. a rotating rod; 17. a contact; 18. a communicating frame; 19. a second limiting rod; 20. briquetting; 21. a second clamping block; 22. a cross bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a PVC pipe cutting apparatus for controlling cutting on and off based on a movable pulley principle includes a frame body 1, a first limiting rod 2 fixedly connected to a bottom end of the frame body 1, a groove formed on a lower surface of the frame body 1, a spring 4 elastically connected to a top end of a support plate 3 at a bottom end of the frame body 1, a baffle 10 drivingly connected to a left end and a right end of the support plate 3 through a first connecting rod 9, a fixed block 7 fixedly connected to a right side of the bottom of the frame body 1, a distance between the support plates 3 changed by the baffle 10 moving up and down in cooperation with a driving of the first connecting rod 9, an outer portion of the first limiting rod 2 is adapted to an inner portion of the support plate 3, a movement direction of the support plate 3 is limited by the first limiting rod 2, the support plate 3 is limitedly connected to an outer portion of the first limiting rod 2, the spring 4 is, the right end of the nylon rope 6 is fixedly connected with a fixed block 7, the left end of the nylon rope 6 is fixedly connected with a rotating disc 8, the top end of the rotating disc 8 is fixedly connected with the nylon rope 6, the rotating disc 8, a pressing plate 14 and a rotating rod 16 are positioned at the same rotation axis, the inner part of the baffle plate 10 is matched with the outer part of a limiting transverse column 13, clamping blocks I12 are arranged on the outer part of the limiting transverse column 13 at equal intervals, the upper surface of each clamping block I12 and the lower surface of each clamping block II 21 are both arc-shaped structures, the clamping blocks I12 and the clamping blocks II 21 are close to the upper side and the lower side of a clamping pipe, connecting rods I9 are hinged to the left end and the right end of the supporting plate 3, the top end of each connecting rod I9 is hinged with the baffle plate 10, the bottom of the baffle plate 10 is elastically connected with clamping blocks I12 through springs II 11, the clamping blocks I12 are elastically connected, the distance between the baffle 10 and the first clamping block 12 is limited through a limiting transverse column 13, the top end of the frame body 1 is fixedly connected with the limiting transverse column 13, the left end of the frame body 1 is rotatably connected with a pressing plate 14, the middle part of the pressing plate 14 is rotatably connected with a cutting wheel 15, the outer part of the rotating axis of the pressing plate 14 is fixedly connected with a rotating rod 16, the end part of the rotating rod 16 is elastically connected with a contact 17, the contact 17 is divided into two groups, one group is movably connected with the end part of the rotating rod 16, the other group is fixedly connected with the arc-shaped inner wall of a communicating frame 18, the contact 17 is electrically connected with an external motor, the opening and closing state of the motor is changed along with the rotation and communication of the rotating rod 16 through the contact 17, the top part of the left end of the frame body 1 is fixedly connected with the communicating frame 18, the inner part of the pressing plate 14, the cross rod 22 is movably connected inside the pressing block 20, the cross rod 22 is composed of two mutually hinged connecting rods, a spring is elastically connected between the cross rods 22, pressing force of the pressing block 20 is changed by pressing the pressing plate 14 downwards, the other end of the pressing block 20 is fixedly connected with a second clamping block 21, and the cross rod 22 is in limited connection inside the pressing block 20.

The working process and principle are as follows: before cutting PVC pipes, the pipes are placed above a clamping block I12, a pressing plate 14 is connected based on the left end rotation of a frame body 1, the pressing plate 14 is pressed down by clockwise rotation, a limiting rod II 19 is connected in a limiting mode inside the pressing plate 14, meanwhile, the pressing plate 14 and a rotating disc 8 are located at the same rotation axis, a nylon rope 6 is fixedly connected to the top end of the rotating disc 8, a fixed block 7 is fixedly connected to the right side of the bottom of the frame body 1, the pressing plate 14 drives the rotating disc 8 to rotate to collect the nylon rope 6, the position of the fixed block 7 is unchanged, a fixed pulley 5 drives a supporting plate 3 to move upwards based on a movable pulley principle, the left end and the right end of the supporting plate 3 are connected with a baffle plate 10 through a connecting rod I9 in a transmission mode, the baffle plates 10 are mutually close to each other through the transmission of the connecting rod I9 to limit the left and right movement, the baffles 10 are close to each other, so that the distance between the first clamping blocks 12 is reduced, the pipes are driven to be close to each other, the second clamping blocks 21 are pressed down along with the pressing plate 14, the surfaces of the pipes are contacted with each other, the cross rods 22 are compressed in a matched mode, the limiting rods 19 are gradually pressed inside the pressing plate 14, the upper sides of the pipes are gradually pressed by the second clamping blocks 21, the clamping effect of clamping the pipes circumferentially during pressing down is achieved in a matched mode, due to the fact that the pressing plate 14 is rotatably connected to the left end of the frame body 1, the pressing plate 14 and the rotating rods 16 are located on the same rotating axis, the rotating rods 16 are rotated clockwise along with the pressing plate 14 to drive the contacts 17 to rotate clockwise, when the contacts 17 rotate to enter the inner wall of the communicating frame 18, the contacts 17 are communicated with the starting motor, the cutting wheel 15 rotates to cut, after the cutting is finished, the pressing plate 14 is released, under the gravity action, 7 positions of the fixing block are unchanged, the rotating disc 8 drives the pressing plate 14 to rotate anticlockwise when the nylon rope 6 moves downwards, the pressing plate 14 drives the cutting wheel 15 to rotate away from the pipe, meanwhile, the rotating rod 16 rotates to enable the contact 17 to be disconnected, the cutting wheel 15 does not rotate any more, the action of cutting off a power supply is completed after the pressing plate 14 rotates anticlockwise to recover the original position, the effect of automatically opening and closing the cutting wheel 15 based on a movable pulley principle is achieved, and the automation degree of equipment is improved.

To sum up, this PVC pipe cutting equipment based on movable pulley principle control cutting is opened and close, left end through support body 1 rotates and is connected with clamp plate 14, place tubular product in clamp splice one 12 top, when pushing down clamp plate 14, clamp plate 14 drives rolling disc 8 and rotates and collect nylon rope 6, the position of fixed block 7 is unchangeable, based on the movable pulley principle, fixed pulley 5 drives layer board 3 and moves upwards, it is close to each other between baffle 10 to make through the transmission of connecting rod one 9, control about the tubular product and remove, simultaneously along with clamp plate 14 pushes down, clamp splice two 21 contact tubular product surfaces this moment, the compression of cooperation crossbar 22, gag lever post two 19 compresses tightly inside clamp plate 14 gradually, make clamp splice two 21 compress tightly the tubular product upside gradually, the centre gripping of cooperation clamp splice one 12, thereby reach the effect of the tight tubular product of circumference clamp when pushing down, improve equipment's practicality.

And, this PVC pipe cutting equipment based on movable pulley principle control cutting is opened and close, it is connected with clamp plate 14 to rotate through the left end of support body 1, because clamp plate 14 and bull stick 16 are in same rotation axis, bull stick 16 drives contact 17 clockwise rotation along with clamp plate 14 clockwise rotation, when contact 17 rotates and gets into the inner wall of intercommunication frame 18, contact 17 intercommunication starter motor, cutting wheel 15 operates the cutting, after finishing using, put down clamp plate 14, receive fixed pulley 5 and layer board 3 self gravity, drag nylon rope 6 and move down, carousel 8 drives clamp plate 14 anticlockwise rotation, make contact 17 disconnection, clamp plate 14 anticlockwise rotation resumes the normal position simultaneously, thereby reach the effect based on movable pulley principle automatic start-stop cutting wheel 15, improve the degree of automation of equipment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PVC pipe cutting equipment based on movable pulley principle control cutting is opened and close, includes support body (1), its characterized in that: the bottom of the frame body (1) is fixedly connected with a first limiting rod (2), the outer part of the first limiting rod (2) is limited and connected with a supporting plate (3), the top end of the supporting plate (3) is elastically connected with a first spring (4), the bottom end of the supporting plate (3) is rotatably connected with a fixed pulley (5), a nylon rope (6) is wound around the fixed pulley (5), the right end of the nylon rope (6) is fixedly connected with a fixed block (7), the left end of the nylon rope (6) is fixedly connected with a rotating disc (8), the left end and the right end of the supporting plate (3) are hinged with a first connecting rod (9), the top end of the first connecting rod (9) is hinged with a baffle (10), the bottom of the baffle (10) is elastically connected with a first clamping block (12) through a second spring (11), the top end of the frame body (1) is fixedly connected with a limiting transverse column (13), the left end, the middle part of clamp plate (14) is rotated and is connected with cutting wheel (15), outside fixedly connected with bull stick (16) of clamp plate (14) rotation axis center, the tip elastic connection of bull stick (16) has contact (17), the top fixedly connected with intercommunication frame (18) of the left end of support body (1), the inside limit connection of clamp plate (14) has gag lever post two (19), the one end fixedly connected with briquetting (20) of clamp plate (14) is kept away from to gag lever post two (19), the other end fixedly connected with clamp splice two (21) of briquetting (20), the inside limit connection of briquetting (20) has crossbar (22).

2. The PVC pipe cutting equipment for controlling the opening and closing of cutting based on the movable pulley principle as claimed in claim 1, wherein: the lower surface of the frame body (1) is provided with a groove, the bottom end of the frame body (1) is elastically connected to the top end of the supporting plate (3) through a first spring (4), and the outer portion of the first limiting rod (2) is matched with the inner portion of the supporting plate (3).

3. The PVC pipe cutting equipment for controlling the opening and closing of cutting based on the movable pulley principle as claimed in claim 1, wherein: the left end and the right end of the supporting plate (3) are connected with a baffle (10) through a first connecting rod (9) in a transmission mode, and the right side of the bottom of the frame body (1) is fixedly connected with a fixing block (7).

4. The PVC pipe cutting equipment for controlling the opening and closing of cutting based on the movable pulley principle as claimed in claim 1, wherein: the top fixedly connected with nylon rope (6) of rolling disc (8), rolling disc (8) and clamp plate (14) and bull stick (16) are in same rotation axis, the inside of baffle (10) and the outside looks adaptation of spacing spreader (13), clamp splice (12) have been arranged to the outside equidistance of spacing spreader (13), the upper surface of clamp splice (12) and the lower surface of clamp splice (21) are the arc structure.

5. The PVC pipe cutting equipment for controlling the opening and closing of cutting based on the movable pulley principle as claimed in claim 1, wherein: the first clamping blocks (12) are elastically connected through a second spring (11), the outer portions of the limiting transverse columns (13) are respectively in limiting connection with the first clamping blocks (12) and the baffle (10), and power of the cutting wheels (15) comes from an external motor.

6. The PVC pipe cutting equipment for controlling the opening and closing of cutting based on the movable pulley principle as claimed in claim 1, wherein: the contact (17) divide into two sets ofly, and a set of swing joint is at the tip of bull stick (16), and another group's fixed connection is at the arc inner wall of intercommunication frame (18), contact (17) and outside motor electric connection.

7. The PVC pipe cutting equipment for controlling the opening and closing of cutting based on the movable pulley principle as claimed in claim 1, wherein: the inner portion of the pressing plate (14) is matched with the outer portion of the second limiting rod (19), the inner portion of the pressing block (20) is movably connected with a cross rod (22), the cross rod (22) is composed of two mutually hinged connecting rods, and a spring is elastically connected between the cross rods (22).