CN113580242A

CN113580242A - Cutting device of plastic tubing for plastic extruding machine

Info

Publication number: CN113580242A
Application number: CN202110783006.0A
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: 2021-11-02
Anticipated expiration: 2041-07-12
Also published as: CN115648316A; CN113580242B

Abstract

The invention discloses a cutting device of a plastic pipe for an extrusion molding machine, which relates to the field of cutting devices and comprises a plurality of groups of conveying roller assemblies and cutting devices with the same structure, wherein the plurality of groups of conveying roller assemblies are symmetrically distributed at two sides of the cutting device and are used for conveying the plastic pipe, each cutting device comprises a base, a driving assembly, a cutting assembly and a track assembly, the conveying roller assemblies, the cutting devices, the first track and the third track are symmetrically arranged along the central line of the second track, a cutter I gradually contacts with the plastic pipe and cuts into the plastic pipe, the plastic pipe is finally cut off by rotating, the cutter I cuts and expands the inner diameter of the end part of the plastic pipe, the outer walls of the end parts of two adjacent plastic pipes are cut by the cutter I, the plastic pipe with two ends easy to connect and no dislocation is finally obtained, the problems that the end part of the existing plastic pipe is flat and the end part of the plastic pipe is easy to misplace when workers wind the adhesive tape are solved, The axes of two adjacent plastic pipes are not coaxial to form an included angle, so that the adjacent plastic pipes after being wound are bent.

Description

Cutting device of plastic tubing for plastic extruding machine

Technical Field

The invention relates to the field of cutting devices, in particular to 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 utility model provides a cutting device of plastic tubing for extrusion molding machine, includes the same conveying roller subassembly of multiunit structure and cutting device, multiunit conveying roller subassembly symmetric distribution in cutting device both sides and be used for carrying the plastic tubing, cutting device includes base, drive assembly, cutting component and track subassembly, drive assembly installs on the base and is used for driving cutting component and rotates, track subassembly is located the base inside, cutting component moves along track subassembly and cuts the plastic tubing and will cut off two adjacent plastic tubing end portion after cut into the shape that the customer needed.

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 comprises a connecting block arranged on the inner side of the gear ring, the connecting block is provided with two symmetrical supporting rods and a second motor, the other ends of the two supporting rods penetrate through the supporting frame and are sleeved with springs, the upper ends and the lower ends of the springs are respectively connected with a stop block at the tail ends of the supporting frame and the supporting rod, and the lower end of the supporting frame is rotatably connected with the first cutter.

Preferably, a turbine is arranged at one end of the cutter, a sliding groove is arranged on the side face of the support frame, the end portion 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 abuts against the track assembly, a rack is connected to the side face 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 base plate on the base, the base plate side is rotated and is connected the ring gear, be equipped with the second track on the base plate, the orbital both sides of second are equipped with first track and the third track that sets up along its central line symmetry, the second track inscribe 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 the shape required by a customer by arranging a conveying roller component 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 cutter is gradually contacted with the plastic pipe and cut into the plastic pipe along with the rotation of the cutting component, the plastic pipe is cut off by rotating finally, a sliding block is driven to move in a sliding chute by arranging a rack to move until the rollers on the two cutting components are positioned on the inner wall of the second rail, a worm is arranged to rotate, a turbine is driven to rotate, after the cutter rotates until the included angle between the cutter and a supporting frame is 90 degrees, a motor is started to drive two groups of driving components to rotate, so that the end parts of the plastic pipe of the cutter carry out the action of cutting and expanding the inner diameter, and the outer walls of the end parts of two adjacent plastic pipes of the cutter carry out the cutting action, finally obtain the plastic tubing that one end internal diameter enlarges, other end external diameter reduces for the plastic tubing can embolia in another adjacent plastic tubing, it is level and smooth to have solved current plastic tubing tip, and the workman misplaces easily when the winding sticky tape, the axis disalignment of two adjacent plastic tubing, forms the contained angle, makes the adjacent plastic tubing after the winding appear bending phenomenon.

Drawings

FIG. 1 is a schematic structural diagram 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, a cutting device for plastic tubes for an extrusion molding machine includes a plurality of sets of conveying roller assemblies 1 and a cutting device 2 having the same structure, 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 tubes, the cutting device 2 includes 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 is 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 tubes, and the cut ends of two adjacent plastic tubes are cut 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 23 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 cutter 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 7, and in the process, the supporting frame 14 is closer to the center of the plastic pipe, the spring 15 is compressed, the first cutter 17 gradually contacts the plastic pipe and cuts into the plastic pipe, and finally the plastic pipe is cut off by rotating;

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 track 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 track 27), meanwhile, the gear post 22 rotates to drive the inserted rod 31 to rotate, so that the worm 24 connected with the inserted rod 31 rotates to drive the turbine 18 to rotate, the first cutting knife 17 rotates until the included angle between the first cutting knife 17 and the support frame 14 is 90 degrees, the second motor 23 stops rotating, the first motor 9 is started to drive the two driving assemblies 7 to rotate, so that the first cutting knife 17 performs the action of cutting and diameter expansion on the end part of the plastic pipe, the second cutter 25 performs a cutting action on the outer wall of the end part of the adjacent plastic pipe, and finally the plastic pipe is formed into a structure shown in fig. 8.

The invention conveys and cuts a long plastic pipe into the shape required by a customer by arranging a conveying roller component 1 and a cutting device 2, specifically, a first rail 28 and a third rail 29 are symmetrically arranged along the central line of a 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 a cutting component 7, the plastic pipe is finally cut off by rotating, 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 components 7 are both positioned on the inner wall of the second rail 27, a worm 24 is arranged to rotate to drive a turbine 18 to rotate, after the first cutter 17 rotates until the included angle between the first cutter 17 and a supporting frame 14 is 90 degrees, a motor 9 is started to drive the two groups of driving components 7 to rotate, so that the first cutter 17 performs the action of cutting and expanding the inner diameter of the end of the plastic pipe, the second cutter 25 performs cutting action on the outer wall of the end part of the adjacent plastic pipe, and finally the plastic pipe is formed into a structure required by a 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 cutting device of the plastic pipe for the plastic extruding machine is characterized by comprising a plurality of groups of conveying roller assemblies (1) and cutting devices (2) which are identical in structure, wherein the conveying roller assemblies (1) are symmetrically distributed on two sides of the cutting devices (2) and used for conveying the plastic pipe, each cutting device (2) comprises a base (5), a driving assembly (6), a cutting assembly (7) and a track assembly (8), each driving assembly (6) is installed on each base (5) and used for driving each cutting assembly (7) to rotate, each track assembly (8) is located inside each base (5), each cutting assembly (7) moves along each track assembly (8) and cuts the plastic pipe, and the ends of two adjacent cut plastic pipes are cut into shapes required by customers.

2. A cutting device for plastic tubes for extrusion molding machines as claimed in claim 1, wherein: drive assembly (6) have two sets ofly and the symmetry sets up, including installing motor (9) on base (5), the output shaft of motor (9) is connected gear (10), gear (10) and ring gear (11) meshing, ring gear (11) rotate to be connected in track subassembly (8) terminal surface.

3. A cutting device for plastic tubes for extrusion molding machines as claimed in claim 2, wherein: cutting assembly (7) is including installing in connecting block (12) of ring gear (11) inboard, be equipped with bracing piece (13) and No. two motor (23) of two structural symmetries on connecting block (12), support frame (14) and cover have spring (15) are passed to two bracing piece (13) other ends, both ends are connected respectively support frame (14) and the terminal dog (16) of bracing piece (13) about spring (15), support frame (14) lower extreme rotates and connects cutter (17).

4. A cutting device for plastic tubes for extrusion molding machines according to claim 3, wherein: the utility model discloses a cutter, including cutter I (17), support frame (14), side-mounting spout (30), sliding connection tip is slider (19) of "T" font in spout (30), slider (19) upper end is rotated and is connected gyro wheel (20), gyro wheel (20) butt track subassembly (8), slider (19) side is connected with rack (21), rack (21) and gear post (22) meshing, gear post (22) one end is connected on the output shaft of No. two motors (23).

5. A cutting device for plastic tubes for extrusion molding machines according to claim 4, characterized in that: inserted bar (31) is pegged graft to gear post (22) lower extreme, inserted bar (31) lower extreme is pegged graft and is had worm (24), worm (24) are installed in support frame (14) and its lower extreme and turbine (18) meshing, it has the groove of stepping down to open on support frame (14), inserted bar (23) activity is in the inslot of stepping down, support frame (14) lower extreme still is equipped with cutter two (25).

6. A cutting device for plastic tubes for extrusion molding machines as claimed in claim 2, wherein: track subassembly (8) are including installing basal disc (26) on base (5), ring gear (11) are connected in the rotation of basal disc (26) side, 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.

7. A cutting device for plastic tubes for extrusion molding machines 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).