CN115648316A

CN115648316A - Operation method of plastic pipe cutting device for plastic extruding machine

Info

Publication number: CN115648316A
Application number: CN202211184033.7A
Authority: CN
Inventors: 林永斌; 许军
Original assignee: Wuhu Futian Electronic Technology Co ltd
Current assignee: Wuhu Futian Electronic Technology Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2023-01-31
Also published as: CN113580242B; CN113580242A

Abstract

The invention discloses an operation method of a plastic pipe cutting device for an extrusion molding machine, which relates to the field of cutting devices, wherein the cutting device comprises a plurality of groups of conveying roller assemblies and cutting devices with the same structure, the plurality of groups of conveying roller assemblies are symmetrically distributed on two sides of the cutting device and are used for conveying plastic pipes, the cutting device comprises a base, a driving assembly, a cutting assembly and a track assembly, the conveying roller assemblies, the cutting device, a first track and a third track are symmetrically arranged along the central line of the second track, a cutter I gradually contacts with the plastic pipes and cuts the plastic pipes, the plastic pipes are cut off by rotating finally, the end parts of the cutter I and the cutter II are cut, the outer walls of the end parts of two adjacent plastic pipes are cut by the cutter I and the cutter II, the plastic pipes with two ends easy to connect and free from dislocation are finally obtained, and the problems that the end parts of the existing plastic pipes are flat, workers are easy to dislocate when winding adhesive tapes, the axes of the two adjacent plastic pipes are different, included angles are formed, and the adjacent plastic pipes after winding are bent are solved.

Description

Operation method of plastic pipe cutting device for plastic extruding machine

Technical Field

The invention relates to the field of cutting devices, in particular to an operation method of a plastic pipe cutting device for an extrusion molding machine.

Background

Need cut into the plastic tubing of fixed length after current plastic tubing produces, the packing delivery again, the customer can be according to pipeline length needs when using, use many plastic tubing of sticky tape winding, but find current plastic tubing tip level and smooth, the workman misplaces easily when twining the sticky tape, the axis disalignment of two adjacent plastic tubing, form the contained angle, make the adjacent plastic tubing after the winding appear bending phenomenon, consequently, need produce a both ends connect easily and can not misplace the plastic tubing (one end internal diameter enlarges, the other end external diameter reduces, make the plastic tubing embolia in another adjacent plastic tubing, concrete structure is as shown in figure 8), and study out the equipment of this plastic tubing of preparation to the plastic tubing of this form and solve above-mentioned problem.

Disclosure of Invention

In order to solve the technical problems, the invention provides the following technical scheme:

the operating method of the plastic pipe cutting device for the plastic extruding machine comprises a plurality of groups of conveying roller assemblies and cutting devices which are identical in structure, wherein the plurality of groups of conveying roller assemblies are symmetrically distributed on two sides of the cutting device and are used for conveying plastic pipes, each cutting device comprises a base, a driving assembly, a cutting assembly and a track assembly, the driving assembly is mounted on the base and is used for driving the cutting assembly to rotate, the track assembly is located inside the base, the cutting assemblies move along the track assembly and cut the plastic pipes, and the cut end portions of two adjacent plastic pipes are cut into shapes required by customers.

The driving assembly is provided with two groups of driving assemblies which are symmetrically arranged and comprises a first motor arranged on the base, an output shaft of the first motor is connected with a first gear, the first gear is meshed with a gear ring, and the gear ring is rotatably connected to the end face of the track assembly.

Preferably, the cutting assembly is including installing in the inboard connecting block of ring gear, be equipped with bracing piece and No. two motors of two structural symmetry on the connecting block, the two bracing piece other ends pass the support frame and overlap and have the spring, both ends are connected support frame and the terminal dog of bracing piece respectively about the spring, the support frame lower extreme rotates and connects cutter one.

Preferably, a turbine is arranged at one end part of the cutter, a sliding groove is formed in the side surface of the support frame, the end part of the sliding connection in the sliding groove is a T-shaped sliding block, the upper end of the sliding block is rotatably connected with a roller, the roller is abutted to the track assembly, a rack is connected to the side surface of the sliding block, the rack is meshed with a gear column, and one end of the gear column is connected to an output shaft of a second motor.

Preferably, the lower end of the gear column is inserted with an insertion rod, the lower end of the insertion rod is inserted with a worm, the worm is installed in the support frame, the lower end of the worm is meshed with the turbine, the support frame is provided with a yielding groove, the insertion rod moves in the yielding groove, and the lower end of the support frame is further provided with a second cutter.

Preferably, the track subassembly is including installing the basal disc on the base, the basal disc side is rotated and is connected the ring gear, be equipped with the second track on the basal disc, the orbital both sides of second are equipped with first track and the third track that sets up along its central line symmetry, the inscribe of second track is in first track and third track, the second track sets up with the plastic tubing is concentric in cutting section department.

Preferably, the conveying roller assembly comprises a vertical frame, and two conveying rollers with symmetrical structures are rotatably connected to the vertical frame.

The invention has the beneficial effects that: the invention conveys and cuts a long plastic pipe into a shape required by a customer by arranging a conveying roller assembly and a cutting device, specifically, a first rail and a third rail are symmetrically arranged along the central line of the second rail, two rollers are respectively abutted against the first rail and the third rail, a first cutter gradually contacts the plastic pipe and cuts into the plastic pipe along with the rotation of the cutting assembly, and finally the first cutter rotates to cut off the plastic pipe, a sliding block is driven to move in a sliding groove by arranging a rack until the rollers on the two cutting assemblies are positioned on the inner wall of the second rail, a worm is arranged to rotate, a turbine is driven to rotate, after the first cutter rotates until an included angle between the first cutter and a support frame is 90 degrees, a first motor is started to drive two groups of driving assemblies to rotate, so that the first cutter performs the action of cutting and expanding the inner diameter on the end part of the plastic pipe, the cutter performs the cutting action on the outer wall of the end parts of two adjacent plastic pipes, finally a plastic pipe with one end part of which has an enlarged inner diameter and a reduced outer diameter is obtained, the plastic pipe can be sleeved in another adjacent plastic pipe, the problem that the end part of the plastic pipe is flat is solved, and a worker is easy to misplace the axes of two adjacent plastic pipes when the two adjacent adhesive tapes are wound, so that the axes of the two adjacent plastic pipes are different, and the plastic pipes are bent.

Drawings

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

Fig. 2 is a schematic structural view of the cutting device of the present invention.

Fig. 3 is a schematic view of the track assembly of the present invention in different angles.

Fig. 4 is a schematic structural view of a cutting assembly according to the present invention.

Fig. 5 is a schematic structural view of the support frame of the present invention.

FIG. 6 is a schematic view of the connection between the inserted link and the gear post of the present invention.

Fig. 7 is a schematic structural diagram of a first cutter in the invention.

Fig. 8 is a schematic structural view of the plastic pipe of the present invention.

The cutting device comprises a conveying roller assembly 1, a cutting device 2, a vertical frame 3, a conveying roller 4, a base 5, a driving assembly 6, a cutting assembly 7, a track assembly 8, a motor 9, a gear I10, a gear ring 11, a connecting block 12, a supporting rod 13, a supporting frame 14, a spring 15, a stop 16, a cutter I17, a turbine 18, a sliding block 19, a roller 20, a rack 21, a gear column 22, a motor 23, a worm 24, a cutter II 25, a base disc 26, a second track 27, a first track 28, a third track 29, a sliding chute 30 and a inserted rod 31.

Detailed Description

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

As shown in fig. 1 to 8, an operation method of a plastic pipe cutting device for an extrusion molding machine includes a plurality of sets of conveying roller assemblies 1 and a cutting device 2 having the same structure, wherein the plurality of sets of conveying roller assemblies 1 are symmetrically distributed on two sides of the cutting device 2 and are used for conveying plastic pipes, the cutting device 2 includes a base 5, a driving assembly 6, a cutting assembly 7 and a rail assembly 8, the driving assembly 6 is mounted on the base 5 and is used for driving the cutting assembly 7 to rotate, the rail assembly 8 is located inside the base 5, and the cutting assembly 7 moves along the rail assembly 8 and cuts the plastic pipes and cuts two adjacent cut plastic pipe ends into shapes required by customers.

In this embodiment, the driving assemblies 6 are arranged in two groups and symmetrically, and include a first motor 9 mounted on the base 5, an output shaft of the first motor 9 is connected with a first gear 10, the first gear 10 is meshed with a gear ring 11, and the gear ring 11 is rotatably connected to an end face of the track assembly 8.

In this embodiment, the cutting assembly 7 includes a connecting block 12 installed inside the gear ring 11, two support rods 13 and a second motor 23 which are symmetrical in structure are arranged on the connecting block 12, the other ends of the two support rods 13 penetrate through the support frame 14 and are sleeved with a spring 15, the upper end and the lower end of the spring 15 are respectively connected with the support frame 14 and a stop 16 at the tail end of the support rod 13, and the lower end of the support frame 14 is rotatably connected with a first cutter 17.

In this embodiment, a turbine 18 is arranged at the end of the first cutter 17, a sliding groove 30 is arranged on the side surface of the support frame 14, a sliding block 19 with a T-shaped end is slidably connected in the sliding groove 30, the upper end of the sliding block 19 is rotatably connected with a roller 20, the roller 20 abuts against the track component 8, a rack 21 is connected to the side surface of the sliding block 19, the rack 21 is meshed with a gear column 22, and one end of the gear column 22 is connected to an output shaft of a second motor 23.

In this embodiment, the lower end of the gear column 22 is inserted with an insertion rod 31, the lower end of the insertion rod 31 is inserted with a worm 24, the worm 24 is installed in the support frame 14, the lower end of the worm is meshed with the worm wheel 18, the support frame 14 is provided with a yielding groove, the insertion rod 31 is movable in the yielding groove, and the lower end of the support frame 14 is further provided with a second cutter 25.

In this embodiment, the track assembly 8 includes a base plate 26 mounted on the base 5, the base plate 26 is connected with the gear ring 11 in a side rotating manner, a second track 27 is provided on the base plate 26, a first track 28 and a third track 29 symmetrically arranged along a central line of the second track 27 are provided on two sides of the second track 27, the second track 27 is inscribed in the first track 28 and the third track 29, and the second track 27 and the plastic pipe are concentrically arranged at a cutting section.

In this embodiment, the conveying roller assembly 1 includes a vertical frame 3, and two conveying rollers 4 with symmetrical structures are rotatably connected to the vertical frame 3.

Initial state of the device: the rollers 20 of the two groups of cutting assemblies 7 respectively abut against the inner walls of the highest position (for convenience of description, referred to as point a) of the first track 28 and the lowest position (for convenience of description, referred to as point B) of the third track 29, the spring 15 is in a free state, the included angle between the first cutter 17 and the support frame 14 is 0 degree, and the first cutter is in a vertical state.

The working process and principle are as follows: when the invention is applied specifically, the invention is used together with a fixed-length measuring device in a workshop, so that fixed-length cutting is convenient to realize, the plastic pipe passes through the cutting device 2 and the conveying roller assemblies 1 which are symmetrically distributed on two sides after being dried, the plastic pipe is conveyed by the two conveying rollers 4 on the plurality of sets of conveying roller assemblies 1, when the plastic pipe needs to be cut,

starting a motor 9, driving a gear 10 and rotating to drive ring gear 11 and rotate on base plate 26, thereby make two sets of cutting assembly 7 that are connected with ring gear 11 rotate and cut off the plastic tubing, specific as follows: the connecting block 12 rotates to drive the supporting rod 13, the supporting frame 14 and the first cutters 17 to rotate, and because the rollers 20 rotate to the sliders 19 connected to the supporting frame 14, and the rollers 20 on the two cutting assemblies 7 abut against the inner walls of the first rail 28 and the third rail 29 respectively, and the first rail 28 and the third rail 29 are symmetrically arranged along the central line of the second rail 27, the two cutting assemblies 7 respectively move to the lowest position (for convenience of description, referred to as point a) of the first rail 28 and the highest position (for convenience of description, referred to as point b) of the third rail 29 along with the rotation of the cutting assemblies 27, and in the process, the supporting frame 14 is closer to the center of the plastic pipe, the spring 15 is compressed, the first cutters 17 gradually contact the plastic pipe and cut into the plastic pipe, and finally rotate to cut off the plastic pipe;

after a long plastic pipe is cut into two adjacent plastic pipes, the first motor 9 stops rotating, the second motor 23 is started to drive the gear post 22 to rotate, so that the rack 21 meshed with the gear post 22 moves, the sliding block 19 is driven to move in the sliding groove 30 until the rollers 20 on the two cutting assemblies 7 are positioned on the inner wall of the second rail 27 (the rollers of the two cutting assemblies 7 respectively move from the point a and the point b to the lowest point and the highest point of the inner wall of the second rail 27), meanwhile, the gear post 22 rotates to drive the insert rod 31 to rotate, so that the worm 24 connected with the insert rod 31 rotates to drive the turbine 18 to rotate, the second motor 23 stops rotating after the first cutter 17 rotates until the included angle between the first cutter 17 and the support frame 14 is 90 degrees, the first motor 9 is started to drive the two driving assemblies 7 to rotate, so that the first cutter 17 performs the action of cutting and diameter expanding on the end part of the plastic pipe, and the second cutter 25 performs the action of cutting on the outer wall of the end part of the adjacent plastic pipe, and finally the structure as shown in fig. 8 is formed.

The invention conveys and cuts a long plastic pipe into a shape required by a customer by arranging a conveying roller assembly 1 and a cutting device 2, specifically, a first rail 28 and a third rail 29 are symmetrically arranged along the central line of the second rail 27, two rollers 21 are respectively abutted against the first rail 28 and the third rail 29, a first cutter 17 gradually contacts the plastic pipe and cuts into the plastic pipe along with the rotation of the cutting assembly 7, the plastic pipe is cut off by rotating finally, a sliding block 19 is driven to move in a sliding groove 30 by arranging a rack 21 until rollers 20 on the two cutting assemblies 7 are both positioned on the inner wall of the second rail 27, a worm 24 is arranged to rotate and drive a turbine 18 to rotate, after the first cutter 17 rotates until an included angle of 90 degrees with a support frame 14, a first motor 9 is started to drive two groups of driving assemblies 7 to rotate, so that the first cutter 17 performs cutting and diameter expanding actions on the end part of the plastic pipe, and a second cutter 25 performs cutting actions on the outer wall of the end part of the adjacent plastic pipe, and finally the plastic pipe forms a structure required by the customer.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims

1. The plastic pipe cutting device for the plastic extruding machine is characterized by comprising a plurality of groups of conveying roller assemblies (1) and a cutting device (2) which are identical in structure, wherein the plurality of groups of conveying roller assemblies (1) are symmetrically distributed on two sides of the cutting device (2) and used for conveying plastic pipes, the cutting device (2) comprises a base (5), a driving assembly (6), a cutting assembly (7) and a track assembly (8), the driving assembly (6) is mounted on the base (5) and used for driving the cutting assembly (7) to rotate, the track assembly (8) is located inside the base (5), the cutting assembly (7) moves along the track assembly (8) and cuts the plastic pipes and cuts the ends of two adjacent cut plastic pipes into shapes required by customers;

the two groups of driving components (6) are symmetrically arranged and comprise a first motor (9) arranged on the base (5), an output shaft of the first motor (9) is connected with a first gear (10), the first gear (10) is meshed with a gear ring (11), and the gear ring (11) is rotatably connected to the end face of the track component (8);

the cutting assembly (7) comprises a connecting block (12) arranged on the inner side of the gear ring (11), two support rods (13) and a second motor (23) which are symmetrical in structure are arranged on the connecting block (12), the other ends of the two support rods (13) penetrate through the support frame (14) and are sleeved with springs (15), the upper end and the lower end of each spring (15) are respectively connected with the support frame (14) and a stop block (16) at the tail end of each support rod (13), and the lower end of the support frame (14) is rotatably connected with a first cutter (17);

a turbine (18) is arranged at the end part of the first cutter (17), a sliding groove (30) is arranged on the side surface of the support frame (14), a sliding block (19) with a T-shaped end part is connected in the sliding groove (30) in a sliding mode, the upper end of the sliding block (19) is rotatably connected with a roller (20), the roller (20) is abutted to the track assembly (8), a rack (21) is connected to the side surface of the sliding block (19), the rack (21) is meshed with a gear column (22), and one end of the gear column (22) is connected to an output shaft of a second motor (23);

an insert rod (31) is inserted at the lower end of the gear column (22), a worm (24) is inserted at the lower end of the insert rod (31), the worm (24) is installed in the support frame (14), the lower end of the worm is meshed with the turbine (18), a abdicating groove is formed in the support frame (14), the insert rod (31) moves in the abdicating groove, and a second cutter (25) is further arranged at the lower end of the support frame (14);

the operation method of the cutting device is as follows:

two conveying rollers (4) on the plurality of groups of conveying roller assemblies (1) convey the plastic pipes, the plastic pipes pass through the cutting device (2), when the plastic pipes need to be cut,

starting a first motor (9), rotating a first gear (10) to drive a gear ring (11) to rotate on a base plate (26), rotating connecting blocks (12) in two groups of cutting assemblies (7) connected with the gear ring (11), rotating a supporting rod (13), a supporting frame (14) and a first cutter (17), moving two rollers (20) along the inner walls of a first rail (28) and a third rail (29) respectively, and moving the rollers to the lowest position of the first rail (28) and the highest position of the third rail (29) along with the rotation of the cutting assemblies (7), wherein in the process, the supporting frame (14) is closer to the center of a plastic pipe, a spring (15) is compressed, and the first cutter (17) is gradually contacted with and cut into the plastic pipe and rotates to cut off the plastic pipe;

after a long plastic pipe is cut into two adjacent plastic pipes, a first motor (9) stops rotating, a second motor (23) is started to drive a gear post (22) to rotate, a rack (21) meshed with the gear post (22) moves, a sliding block (19) moves in a sliding groove (30), rollers (20) of two groups of cutting assemblies (7) respectively move from the lowest position of a first track (28) and the highest position of a third track (29) to the lowest point and the highest point of the inner wall of a second track (27), the gear post (22) rotates to drive an insert rod (31) to rotate, a worm (24) connected with the insert rod (31) rotates to drive a turbine (18) to rotate, a first cutter (17) rotates, after the included angle of 90 degrees with a support frame (14), the second motor (23) stops rotating, the first motor (9) is started to drive two groups of driving assemblies (7) to rotate, the first cutter (17) of the plastic pipe cuts and expands the inner diameter of the end of the plastic pipe, and a second cutter (25) cuts the outer wall of the adjacent end.

2. A method of operating a plastic tube cutting device for an extrusion molding machine as claimed in claim 1, wherein: track subassembly (8) are including installing basal disc (26) on base (5), ring gear (11) are connected in basal disc (26) side rotation, be equipped with second track (27) on basal disc (26), the both sides of second track (27) are equipped with first track (28) and third track (29) that set up along its central line symmetry, second track (27) inscribe in first track (28) and third track (29), second track (27) and plastic tubing are in the concentric setting of cutting section department.

3. A method of operating a plastic tube cutting device for an extrusion molding machine as claimed in claim 1, wherein: the conveying roller assembly (1) comprises a vertical frame (3), and two conveying rollers (4) with symmetrical structures are rotatably connected to the vertical frame (3).