CN112140428A - Edge cutting device of casting machine - Google Patents

Edge cutting device of casting machine Download PDF

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Publication number
CN112140428A
CN112140428A CN202010974570.6A CN202010974570A CN112140428A CN 112140428 A CN112140428 A CN 112140428A CN 202010974570 A CN202010974570 A CN 202010974570A CN 112140428 A CN112140428 A CN 112140428A
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CN
China
Prior art keywords
shearing
sleeve
roll
casting machine
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010974570.6A
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Chinese (zh)
Inventor
石美玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shantou Bangteng Technology Co ltd
Original Assignee
Shantou Bangteng Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shantou Bangteng Technology Co ltd filed Critical Shantou Bangteng Technology Co ltd
Priority to CN202010974570.6A priority Critical patent/CN112140428A/en
Publication of CN112140428A publication Critical patent/CN112140428A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
    • B29C41/26—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length by depositing flowable material on a rotating drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/24—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter
    • B26D1/245—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/34—Component parts, details or accessories; Auxiliary operations

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention is suitable for the technical field of casting machines, and provides a side cutting device of a casting machine, which comprises: the mounting rack is rotatably connected with a supporting roller; the extrusion roller is connected to the mounting frame in a lifting and rotating manner and is matched with the supporting roller to clamp the cast film; the supporting roll comprises a second shearing sleeve and a roll body, the second shearing sleeve is nested at two ends of the roll body, a first shearing sleeve is arranged on the extrusion roll, and the first shearing sleeve is in contact with the side edge of the second shearing sleeve to form shearing force. Adopt the curtain coating membrane transmission to provide power, make side cut device simple structure, backing roll and squeeze roll rotate and cut, have avoided extrusion curtain coating membrane to cut and make the curtain coating membrane warp, rotate the shearing through first shearing cover and second shearing cover, the shear plane planarization is good, cuts the high quality. The invention has the advantages that: simple structure, convenient operation, low production cost, resource saving, high shearing quality and strong applicability.

Description

Edge cutting device of casting machine
Technical Field
The invention belongs to the technical field of casting machines, and particularly relates to an edge cutting device of a casting machine.
Background
Casting machines, also known as cast film machines, are machines that produce non-stretched, non-oriented cast films by melt cast quenching. Compared with blown film, the product has the characteristics of high production speed, high yield, extremely excellent transparency, glossiness, thickness uniformity and the like of the film, and is widely applied to the film manufacturing industry. The plastic film prepared by the casting method is firstly plasticized and melted by raw materials, then extruded by a T-shaped structure forming die, cast to the roll surface of a cooling roller which rotates stably in a sheet shape, cooled and shaped by a diaphragm, and then drawn and trimmed to roll the product, thereby forming a film finished product. In the operation process, the trimming process is realized by the trimming knife rest arranged in the machine frame. In the prior art, a knife rest of a casting machine is basically fixed on a cross bar in a frame, a blade is clamped through two clamping plates, and the clamping plates are screwed through bolts. The edge of the casting film is cut by the extrusion force of the blade, so that the edge of the casting film is easy to deform.
Disclosure of Invention
The embodiment of the invention aims to provide an edge cutting device of a casting machine, and aims to solve the problem of edge deformation of a casting film.
The embodiment of the invention is realized in such a way that the edge cutting device of the casting machine comprises:
the mounting rack is rotatably connected with a supporting roller;
the extrusion roller is connected to the mounting frame in a lifting and rotating manner and is matched with the supporting roller to clamp the cast film;
the supporting roll comprises a second shearing sleeve and a roll body, the second shearing sleeve is nested at two ends of the roll body, a first shearing sleeve is arranged on the extrusion roll, and the first shearing sleeve is in contact with the side edge of the second shearing sleeve to form shearing force.
In the embodiment of the invention, the extrusion roll is pulled to slide away from the supporting roll, the distance between the supporting roll and the extrusion roll is increased, the cast film passes through the extrusion roll and the supporting roll, the extrusion roll is loosened, the extrusion roll is close to the supporting roll under the action of gravity or other acting forces, the side walls of the first shearing sleeve and the second shearing sleeve are contacted at the moment to form shearing force, the extrusion roll is close to the supporting roll to clamp the cast film, the cast film is conveyed to drive the extrusion roll and the supporting roll to rotate, the first shearing sleeve rotates along with the extrusion roll and the second shearing sleeve, the first shearing sleeve and the second shearing sleeve rotate to form shearing force to shear the transmitted cast film, so that the edge cutting is carried out, the supporting roll and the extrusion roll rotate to shear, the cast film is prevented from being sheared to deform, the attractiveness of the cast film is improved, and the cast film is prevented from being deformed by the extrusion force, through the rotary shearing of the first shearing sleeve and the second shearing sleeve, the shearing surface is good in smoothness and high in shearing quality. The extrusion roll can be arranged in a lifting manner, so that the cast film can be conveniently inserted, and the operation is convenient and rapid. The curtain coating film transmission is adopted to provide power, so that the structure of the edge cutting device is simplified, the production and manufacturing cost is reduced, and resources are saved. The invention has the advantages that: simple structure, convenient operation, low production cost, resource saving, high shearing quality and strong applicability.
Drawings
Fig. 1 is a perspective structural view of an edge cutting device of a casting machine according to an embodiment of the present invention;
fig. 2 is a schematic internal structural diagram of an edge cutting device of a casting machine according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a sliding groove in an edge cutting device of a casting machine according to an embodiment of the present invention;
in the drawings: mounting bracket 1, squeeze roll 2, first shearing cover 3, sliding tray 4, many prism cap 5, guide bar 6, first spring 7, backing roll 8, second shearing cover 9, roll body 10, first scale mark 11, second spring 12, interior loop bar 13, stripper plate 14, pointer 15, second scale mark 16, sliding seat 17.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1-2, a structure diagram of an edge trimming device of a casting machine provided in an embodiment of the present invention includes:
the mounting rack 1 is rotatably connected with a supporting roller 8;
the extrusion roller 2 is connected to the mounting frame 1 in a lifting and rotating manner and is matched with the supporting roller 8 to clamp the cast film;
the supporting roll 8 comprises a second shearing sleeve 9 and a roll body 10, the second shearing sleeve 9 is nested at two ends of the roll body 10, the extrusion roll 2 is provided with the first shearing sleeve 3, and the first shearing sleeve 3 is in contact with the side edge of the second shearing sleeve 9 to form shearing force.
In the embodiment of the invention, the extrusion roll 2 is pulled, the extrusion roll 2 slides away from the supporting roll 8, the distance between the supporting roll 8 and the extrusion roll 2 is increased, the cast film passes through the extrusion roll 2 and the supporting roll 8, the extrusion roll 2 is loosened, the extrusion roll 2 is close to the supporting roll 8 under the action of gravity or other acting forces, the side walls of the first shearing sleeve 3 and the second shearing sleeve 9 are contacted at the moment, so that shearing force is formed, the extrusion roll 2 is close to the supporting roll 8, the cast film is clamped, the cast film is transmitted to drive the extrusion roll 2 and the supporting roll 8 to rotate, the first shearing sleeve 3 rotates along with the extrusion roll 2 and the second shearing sleeve 9 along with the supporting roll 8, the first shearing sleeve 3 and the second shearing sleeve 9 rotate to form shearing force to shear the transmitted cast film, so that the edge of the supporting roll is cut, the rotation of the extrusion roll 8 and the extrusion roll 2 is carried out shearing, thereby the aesthetic property of curtain coating membrane has been improved, has avoided the extrusion force to make curtain coating membrane produce deformation, rotates through first shearing cover 3 and second shearing cover 9 and cuts, and the shear plane planarization is good, cuts the high quality. The extrusion roll 2 can be arranged in a lifting manner, so that the cast film can be inserted conveniently and quickly.
In one example of the present invention, the mounting frame 1 is fixedly installed on a casting machine, the squeeze roll 2 and the support roll 8 are on a streamline body of the casting film, and when the casting film passes through the edge cutting device, the casting film is already formed, thereby avoiding the cast film from driving the extrusion roller 2 and the supporting roller 8 to rotate to deform the cast film, driving the extrusion roller 2 and the second shearing sleeve 9 to rotate by the cast film, having large transverse contact area, reducing the stress pressure, thereby avoiding the possibility of deformation, certainly not excluding the adoption of power output for active rotation, the support roller 8 can be connected with a driving piece, thereby drive the backing roll 8 initiative and rotate, at this moment, can get rid of curtain coating membrane deformation completely and disturb, the driving piece can be motor, motor etc. adopts curtain coating membrane transmission to provide power, makes the edge cutting device simple structure, has reduced production manufacturing cost, resources are saved.
As a preferred embodiment of the invention, the second shearing sleeve 9 is slidably nested on the roller body 10, the inner loop bar 13 is coaxially connected with two ends of the roller body 10, the second shearing sleeve 9 is matched with the inner loop bar 13 in a screw rod mode, and the first shearing sleeve 3 is slidably arranged on the extrusion roller 2. Thereby make inner loop pole 13 rotate and adjust second shearing cover 9 and roll body 10 relative position to this position that can adjust second shearing cover 9, thereby adjust the width of cutting edge, adjust as required, improved the application ability of side cut device. The inner rod 13 may be threaded or grooved to provide engagement.
As a preferred embodiment of the present invention, the inner sleeve rods 13 are coaxially and fixedly connected with the roller body 10, the inner sleeve rods 13 at both ends are respectively matched with the screw rods of the second shearing sleeve 9 in opposite directions, the threads or screw grooves at both ends of the inner sleeve rods 13 are in opposite directions, and the adjustment of the position of the second shearing sleeve 9 can be completed by rotating the roller body 10, which is convenient and fast to adjust, of course, the trimming edges at both ends of the adjustment method can be adjusted simultaneously, and the second shearing sleeve 9 can also be rotated to adjust, and the second shearing sleeve 9 can be rotated to perform single adjustment. First scale lines 11 are printed on the roller body 10, and the arrangement of the first scale lines 11 is convenient for quantitatively adjusting the trimming width.
As a preferred embodiment of the present invention, the inner rod 13 is coaxially and rotatably connected to the roller body 10, the end of the inner rod 13 extends out of the support roller 8, when adjustment is required, the relative position between the second cutting sleeve 9 and the roller body 10 can be adjusted by rotating the inner rod 13, and at this time, the second cutting sleeve 9 may be provided with the roller body 10 in fly-rotation connection, for example, an inner sliding nested rod, a polygonal nested rod, or the like is provided, so that the roller body 10 and the second cutting sleeve 9 are prevented from rotating relative to each other, thereby preventing the positions of the second cutting sleeve 9 and the roller body 10 from being actively changed.
As a preferred embodiment of the present invention, the first shearing sleeve 3 is slidably disposed inside the squeeze roll 2, and is provided with a reset member, under the action of the reset member, the first shearing sleeve 3 is drawn close to the second shearing sleeve 9, so as to form a shearing structure, and when the position of the second shearing sleeve 9 is adjusted, the first shearing sleeve 3 is drawn close to the second shearing sleeve 9 under the action of the reset member, so that the first shearing sleeve 3 changes with the second shearing sleeve 9, thereby avoiding the adjustment of the first shearing sleeve 3, which is convenient and fast to use, reduces unnecessary work time, and improves work efficiency. The return member may be a second spring 12, an elastic pull strap, or the like.
As shown in fig. 3, as a preferred embodiment of the present invention, a sliding groove 4 is formed on the inner side of the mounting frame 1, a sliding seat 17 is slidably nested inside the sliding groove 4, the end of the squeeze roll 2 is rotatably connected to the sliding seat 17, the sliding seat 17 is drawn toward the support roll 8 by the first spring 7, so as to realize the sliding and rotating connection of the squeeze roll 2, and under the action of the first spring 7, the inner loop bar 13 is drawn toward the squeeze roll 2, so that the squeeze roll 2 and the first shearing sheath 3 clamp the casting film, thereby increasing the clamping capability. Anti-slip layers can be arranged on the squeezing roller 2 and the supporting roller 8, so that unsmooth cutting caused by the phenomenon that the squeezing roller 2 and the supporting roller 8 slip is avoided.
As another preferred embodiment of the present invention, a guide rod 6 is disposed inside the sliding groove 4 and aligned with the sliding direction of the sliding seat 17, the guide rod 6 passes through the first spring 7 and the sliding seat 17, and the guide rod 6 is disposed to guide the sliding of the sliding seat 17, thereby making the squeeze roller 2 slide more stably.
As a preferred embodiment of the invention, the upper screw rod of the guide rod 6 is matched with a squeezing plate 14, the squeezing plate 14 is slidably nested inside the sliding groove 4, the sliding groove 4 has a rotation limiting effect on the squeezing plate 14, the guide rod 6 is rotatably arranged inside the sliding groove 4, the end part of the guide rod 6 extends out of the mounting frame 1 and is connected with a rotating part, the end part of the squeezing plate 14 is contacted with the first spring 7, the squeezing plate 14 has a squeezing effect on the first spring 7, and the rotating part rotates the guide rod 6 so as to adjust the position of the squeezing plate 14, adjust the squeezing force degree of the first spring 7, control the squeezing force degree of the squeezing roller 2 and control the shearing force of the first shearing sleeve 3 and the second shearing sleeve 9. The rotating part may be a polygonal cap 5, an eccentric rod, etc.
In a preferred embodiment of the present invention, the pressing plate 14 is connected with a pointer 15, the mounting frame 1 is printed with a second scale mark 16, and the pointer 15 and the second scale mark 16 are arranged to quantitatively adjust the pressing force of the pressing roll 2, thereby adjusting the shearing force.
The embodiment of the invention provides an edge cutting device of a casting machine, wherein the first shearing sleeve 3 and the second shearing sleeve 9 rotate to form shearing force to shear a transmitted casting film so as to cut edges, the supporting roller 8 and the extrusion roller 2 rotate to shear, and the phenomenon that the casting film is deformed due to the fact that the casting film is extruded to shear is avoided, so that the attractiveness of the casting film is improved, the phenomenon that the casting film is deformed due to extrusion force is avoided, the first shearing sleeve 3 and the second shearing sleeve 9 rotate to shear, the flatness of a shearing surface is good, and the shearing quality is high. The extrusion roll 2 can be arranged in a lifting manner, so that the cast film can be inserted conveniently and quickly. The curtain coating film transmission is adopted to provide power, so that the structure of the edge cutting device is simplified, the production and manufacturing cost is reduced, and resources are saved. The position of the second shearing sleeve 9 is adjusted, so that the width of the trimming edge is adjusted as required, and the applicability of the trimming device is improved. The degree of squeezing of the first spring 7 is adjusted to control the degree of squeezing of the squeeze roll 2 and to control the shearing force of the first and second shearing sleeves 3, 9.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a side cut device of casting machine which characterized in that, side cut device of casting machine includes:
the mounting rack is rotatably connected with a supporting roller;
the extrusion roller is connected to the mounting frame in a lifting and rotating manner and is matched with the supporting roller to clamp the cast film;
the supporting roll comprises a second shearing sleeve and a roll body, the second shearing sleeve is nested at two ends of the roll body, a first shearing sleeve is arranged on the extrusion roll, and the first shearing sleeve and the second shearing sleeve are in contact to form shearing force.
2. The edge cutting device of the casting machine as claimed in claim 1, wherein the second shearing sleeve is slidably nested on the roller body, the inner loop bar is coaxially connected to two ends of the roller body, the second shearing sleeve is matched with the inner loop bar screw rod, and the first shearing sleeve is slidably arranged on the extrusion roller.
3. The edge cutting device of the casting machine as claimed in claim 2, wherein the inner sleeve rods are coaxially and fixedly connected with the roller body, and the inner sleeve rods at two ends are respectively matched with the screw rods in opposite directions of the second shearing sleeve.
4. The edge slitting device of a casting machine as claimed in claim 3, wherein the roll body has first graduations printed thereon.
5. The edge cutting device of the casting machine as claimed in claim 2, wherein the inner sleeve rod is coaxially and rotatably connected with the roller body, and the end part of the inner sleeve rod extends out of the supporting roller.
6. The trimming device of a casting machine according to claim 2, wherein the first shearing sleeve is slidably arranged inside the squeeze roll and is provided with a resetting member.
7. The edge cutting device of the casting machine according to any one of claims 1 to 6, wherein a sliding groove is formed in the inner side of the mounting frame, a sliding seat is slidably nested in the sliding groove, the end of the squeeze roller is rotatably connected to the sliding seat, and the sliding seat is closed to the supporting roller through a first spring.
8. The edge cutting device of a casting machine according to claim 7, wherein a guide rod is arranged in the sliding groove and is in the same sliding direction with the sliding seat, and the guide rod passes through the first spring and the sliding seat.
9. The edge cutting device of the casting machine according to claim 8, wherein an extrusion plate is matched with an upper screw rod of the guide rod, the extrusion plate is slidably nested in an inner guide rod of the sliding groove and rotatably arranged in the sliding groove, and a rotating part is connected to the end part of the extrusion plate extending out of the mounting frame.
10. The edge cutting device of a casting machine according to claim 9, wherein the extrusion plate is connected with a pointer, and the mounting frame is printed with a second scale mark.
CN202010974570.6A 2020-09-16 2020-09-16 Edge cutting device of casting machine Withdrawn CN112140428A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010974570.6A CN112140428A (en) 2020-09-16 2020-09-16 Edge cutting device of casting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010974570.6A CN112140428A (en) 2020-09-16 2020-09-16 Edge cutting device of casting machine

Publications (1)

Publication Number Publication Date
CN112140428A true CN112140428A (en) 2020-12-29

Family

ID=73894062

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010974570.6A Withdrawn CN112140428A (en) 2020-09-16 2020-09-16 Edge cutting device of casting machine

Country Status (1)

Country Link
CN (1) CN112140428A (en)

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Application publication date: 20201229