CN209158563U - A kind of edge-neatening apparatus of PVC film - Google Patents

A kind of edge-neatening apparatus of PVC film Download PDF

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Publication number
CN209158563U
CN209158563U CN201821948921.0U CN201821948921U CN209158563U CN 209158563 U CN209158563 U CN 209158563U CN 201821948921 U CN201821948921 U CN 201821948921U CN 209158563 U CN209158563 U CN 209158563U
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CN
China
Prior art keywords
deburring
roller
bracket
film
oscillating
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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.)
Expired - Fee Related
Application number
CN201821948921.0U
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Chinese (zh)
Inventor
徐敏
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Zhejiang Letai Plastic Co Ltd
Original Assignee
Zhejiang Letai Plastic 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 Zhejiang Letai Plastic Co Ltd filed Critical Zhejiang Letai Plastic Co Ltd
Priority to CN201821948921.0U priority Critical patent/CN209158563U/en
Application granted granted Critical
Publication of CN209158563U publication Critical patent/CN209158563U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of edge-neatening apparatus of PVC film, it is related to film production technical field of processing equipment, including deburring bracket, rotation is provided with two deburring transfer rollers on the deburring bracket, surface between the two deburring transfer rollers has been arranged symmetrically trimming blade, the trimming blade is connect by mounting base with deburring inner support, the film input terminal of the deburring bracket is provided with oscillating roller, the both ends of the oscillating roller are rotatably connected to swinging frame, the swinging frame is rotationally connected on deburring bracket far from one end of oscillating roller, and the actuator for driving oscillating roller to be in reciprocally swinging on deburring bracket is provided between deburring bracket and swinging frame, rotation is provided with a pair of of deburring feed roller on deburring bracket, the two deburring feed rollers are arranged in above oscillating roller, and it is located at oscillating roller and deburring transfer roller Between;Quality and transmission stability are conveyed with film is improved, and then improves the effect of its film deburring quality.

Description

A kind of edge-neatening apparatus of PVC film
Technical field
The utility model relates to film production technical field of processing equipment, more specifically, it relates to a kind of PVC film Edge-neatening apparatus.
Background technique
Plastic film is a kind of thin made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins Film for packing, and is used as coating layer.With the development of economy and the adjustment of the structure of rural undertaking, Chinese all trades and professions The market demand of plastic film is constantly risen, shared share is more and more on the market for plastics package and plastic packet product Greatly, especially composite plastic flexible package has been widely used for the fields such as food, medicine, chemical industry;And PVC film essence is A kind of vacuum forming film, the surface layer for all kinds of panels is packed, so the decorating film that is otherwise known as, attached glue film, are applied to building materials, packet All conglomeraties such as dress, medicine, according to usable floor area and the field applied to, need to roll up it in processing film production Around preservation or carry out slitting treatment.
Chinese patent as Authorization Notice No. is CN202498591U, publication date is on October 24th, 2012 discloses one kind Plastic film cutting machine, including a rack are arranged one for placing the cutting backing plate and at least one set of plastic film on the rack It is placed in the fervent cutter of the top of cutting backing plate, one end of fervent cutter is fixed on shaft cross bar, and shaft cross bar passes through one Driving mechanism drives the shaft cross bar to drive fervent cutter separate or contact plastic film.
Directly size as needed can be carried out to the plastic film after sizing using above-mentioned cutting machine to cut;Due to modeling Expect that film itself material is lighter, fold is easy to produce in transmit process, it is not accurate to make size when its shearing, to influence thin Film shearing quality.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of edge-neatening apparatus of PVC film, Quality and transmission stability are conveyed with film is improved, and then improves the effect of its film deburring quality.
To achieve the above object, the utility model provides following technical solution:
A kind of edge-neatening apparatus of PVC film, including deburring bracket, rotation is provided with two deburrings biography on the deburring bracket Roller is sent, the surface between the two deburring transfer rollers has been arranged symmetrically trimming blade, and the trimming blade passes through mounting base It is connect with deburring bracket, the film input terminal of the deburring bracket is provided with oscillating roller, the both ends of the oscillating roller, which rotate, to be connected It is connected to swinging frame, the swinging frame is rotationally connected on deburring bracket far from one end of oscillating roller, and in deburring bracket and is swung It is provided with the actuator for driving oscillating roller to be in reciprocally swinging on deburring bracket between frame, setting is rotated on deburring bracket There is a pair of of deburring feed roller, the two deburring feed rollers are arranged in above oscillating roller and are located at oscillating roller and deburring transfer roller Between.
So set, firstly, film after molding is delivered to two deburrings on deburring bracket by corresponding conveying device At transfer roller, film two sides are repaired by the surface that two trimming blades in mounting base are between two deburring transfer rollers Side;Meanwhile it driving swinging frame to be on deburring bracket by actuator and rotating, and then making oscillating roller that film be driven to enter deburring Swung before, reduce fold formation and meanwhile reduce the surface that impurity is attached to film, the film after swing again by around It is sent to progress deburring at deburring transfer roller in two deburring feed rollers, has and improves film conveying quality and transmission stability, And then improve the effect of its film deburring quality.
Further setting: the circumferential surface of the wherein one deburring transfer roller is provided with bidirectional helical protrusion, and described Bidirectional helical protrusion is extended to the both ends of deburring transfer roller respectively.
So set, film is delivered between two deburring feed rollers, film is by there is the deburring of bidirectional helical protrusion charging It is transmitted on roller, film when to conveying forms the tension being unfolded to two sides, further increases the delivery quality of film, reduces fold Formation;Secondly film is sent to progress deburring from deburring transfer roller from deburring feed roller.
Further setting: the bidirectional helical protrusion is set to towards on the deburring transfer roller of swinging frame side.
It is transmitted on the deburring feed roller of bidirectional helical protrusion so set, film first passes through, film shape when to conveying At the tension being unfolded to two sides, then from sending to smooth deburring transfer roller, makes its film stable rotation, further increase film Delivery quality, reduce the formation of fold.
Further setting: the actuator is oscillating cylinder, and two oscillating cylinders are symmetrically arranged in the two of deburring bracket Side, and the piston rod of oscillating cylinder is hinged with swinging frame, the cylinder body of oscillating cylinder is hinged with deburring bracket.
It is rotated so set, oscillating cylinder is on deburring bracket by flexible driving swinging frame, and then drives oscillating roller Purpose relative to deburring bracket relative motion.
Further setting: it is provided between the deburring feed roller and deburring transfer roller concordant for detecting film two sides The infrared inductor of degree, the U-shaped setting of two infrared inductors, and it is symmetrically disposed on the two sides of deburring bracket.
So set, film in transmission, makes it by passing through infrared inductor sensor film between two detection inductors Flatness when transmission, improves the stability and deburring precision of its deburring, and then improves its deburring quality.
Further setting: deburring transition roller is provided on the deburring bracket, the deburring transition roller is set to deburring Between feed roller and deburring transfer roller, and arranged between deburring feed roller and deburring transfer roller in triangular shape.
So set, its film is made successively to be around in deburring feed roller, deburring transition roller and deburring transfer roller in transmission Between be transmitted, the state in tensioning when transmitting its film improves transmission stability and biography of the film in deburring Quality is sent, the deburring quality of film is further increased.
Further setting: deburring bracket bottom end is provided with the leftover pieces recycling roll for winding leftover pieces after deburring.
So set, realizing the effect that the leftover pieces after deburring are carried out with unified collection by leftover pieces recycling roll, improve The deburring efficiency and deburring stability of film.
Further setting: the trimming blade is detachably fixed by bolt to be set in mounting base.
Be removably fixed in mounting base so set, trimming blade is reached by bolt, convenient for trimming blade from peace It is adjusted and replaces on dress seat, improve the service performance of trimming blade.
By using above-mentioned technical proposal, the utility model is compared compared with the prior art, is had the advantage that
1, it drives swinging frame to be on deburring bracket by actuator to rotate, and then makes oscillating roller that film be driven to repair in entrance It is swung before side, reduce the formation of fold while reducing the surface that impurity is attached to film, the film after swing passes through again It is around in two deburring feed rollers and is sent to progress deburring at deburring transfer roller, have to improve film conveying quality and transmit and stablize Property, and then improve the effect of its film deburring quality;
2, trimming blade is reached by bolt and is removably fixed in mounting base, convenient for enterprising from mounting base to trimming blade Row adjusts and replacement, improves the service performance of trimming blade;
3, flatness when being transmitted by infrared inductor sensor film, stability and the deburring for improving its deburring are accurate Degree, and then improve its deburring quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the edge-neatening apparatus of PVC film;
Fig. 2 is the structural schematic diagram in deburring region in the edge-neatening apparatus of PVC film;
Fig. 3 is the enlarged diagram in Fig. 2 at A;
Fig. 4 is the structural schematic diagram of leftover pieces recovery zone in the edge-neatening apparatus of PVC film;
Fig. 5 is the structural schematic diagram that deburring rear film winds region in the edge-neatening apparatus of PVC film;
Fig. 6 is the enlarged drawing in Fig. 5 at B.
In figure: 1, deburring bracket;2, deburring transfer roller;3, fixed link;31, graduated scale;4, mounting base;41, trimming blade; 42, waist type groove;43, bolt;51, component is adjusted;52, rotating disc;53, handle;61, oscillating roller;62, swinging frame;63, it drives Part;71, deburring feed roller;711, bidirectional helical protrusion;72, deburring transition roller;73, deburring discharge roller;9, infrared inductor; 10, guide roller;101, position-arresting disk;11, base station;111, guide groove;12, mounting rack;121, synchronous motor;122, directive wheel;13, Leftover pieces recycling roll;14, force piece;15, limit plate;151, it is open;16, bracket is wound;161, fixed frame;17, help roll; 18, wind-up roll;19, diaphragm plate is kept off;191, holding tank;20, lower compression roller;21, regulating part;211, driving handle;212, it is oriented to litter; 22, striker plate.
Specific embodiment
It is described further referring to edge-neatening apparatus of the attached drawing to PVC film.
A kind of edge-neatening apparatus of PVC film, as depicted in figs. 1 and 2, including deburring bracket 1, it is rotatably dispose in deburring bracket Two deburring transfer rollers 2 on 1, two peaces for having fixed link 3, being slideably positioned in fixed link 3 being fixedly installed on deburring bracket 1 It fills seat 4, the trimming blade 41 being respectively arranged in two mounting bases 4 and is set between fixed link 3 and two mounting bases 4 for controlling Make the adjusting component 51 of relative distance between two mounting bases 4;Trimming blade 41 be arranged symmetrically between two deburring transfer rollers 2 just on Side, and graduated scale 31 is fixedly installed on the periphery of fixed link 3.
As shown in Figures 2 and 3, wherein adjusting component 51 includes that both ends are dallied the two-way spiral shell being set on deburring bracket 1 Rasp bar, bidirectional helical bar and fixed link 3 are arranged in parallel, and two mounting bases 4 are threadedly connected to two reversed spiral shells of bidirectional helical bar respectively On line end;One end of bidirectional helical bar protrudes to be arranged outside deburring bracket 1, and is fixedly installed rotating disc 52 in the end, and Handle 53 is vertically fixedly connected on rotating disc 52;Its two mounting base 4 is set to be in bidirectional helical by rotating bidirectional helical bar It is slided in bar and fixed link 3, realizes the adjusting to distance between two trimming blades 41.
As shown in Figures 2 and 3, waist type groove 42 is offered in mounting base 4, two trimming blades 41 are equipped with bolt 43, Nut is threaded on bolt 43 (attached drawing is unmarked);When bolt 43 is arranged in waist type groove 42, it can be achieved that trimming blade 41 adjustings in position in mounting base 4, that is, adjust the effect of distance between trimming blade 41 and deburring transfer roller 2;Locking When, bolt 43, which protrudes from, contradicts the end face of its nut and mounting base 4 outside waist type groove 42, realize trimming blade 41 being fixed on peace Fill the purpose on seat 4.
As shown in Fig. 2, the film input terminal in deburring bracket 1 is provided with oscillating roller 61, the both ends of oscillating roller 61, which rotate, to be connected Be connected to swinging frame 62, swinging frame 62 is rotationally connected on deburring bracket 1 far from one end of oscillating roller 61, and deburring bracket 1 with The actuator 63 for driving oscillating roller 61 to be in reciprocally swinging on deburring bracket 1 is provided between swinging frame 62.
As shown in Fig. 2, actuator 63 is oscillating cylinder, two oscillating cylinders are symmetrically arranged in the two sides of deburring bracket 1, and put Take offence cylinder piston rod it is hinged with swinging frame 62, the cylinder body of oscillating cylinder is hinged with deburring bracket 1.
As shown in Fig. 2, rotation is provided with a pair of of deburring feed roller 71 on deburring bracket 1, two deburring feed rollers 71 are uniformly distributed It is placed in 61 top of oscillating roller and between oscillating roller 61 and deburring transfer roller 2;In the deburring transfer roller towards 62 side of swinging frame 2 circumferential surface is provided with bidirectional helical protrusion 711, and bidirectional helical protrusion 711 extends to the both ends of deburring transfer roller 2 respectively Setting.
As shown in Fig. 2, simultaneously, deburring transition roller 72 is provided on deburring bracket 1, deburring transition roller 72 is set to deburring Between feed roller 71 and deburring transfer roller 2, and arranged between deburring feed roller 71 and deburring transfer roller 2 in triangular shape.
As shown in Fig. 2, being provided with deburring discharge roller 73, two deburrings far from the side of deburring feed roller 71 in deburring bracket 1 Transfer roller 2 is set between deburring feed roller 71 and deburring discharge roller 73, and deburring feed roller 71, deburring discharge roller 73 with wherein It is arranged between one deburring transfer roller 2 in triangular shape.
As shown in Fig. 2, to improve delivery quality when film transmission, between deburring feed roller 71 and deburring transfer roller 2 The two U-shaped settings of infrared inductor 9 for detecting the infrared inductor 9 concordantly spent film two sides are provided with, and symmetrical It is set to the two sides of deburring bracket 1.
As shown in Fig. 2, it is rotatably connected to the guide roller 10 for conveying and being oriented to leftover pieces in the bottom end of deburring bracket 1, And guide roller 10 along the both ends of axis be fixedly installed for limit leftover pieces transmission when left and right displacement position-arresting disk 101.
In conjunction with shown in Fig. 1 and Fig. 4, it is disposed with base station 11 in the side of deburring bracket 1, is provided with mounting rack on base station 11 12, the leftover pieces recycling roll 13 for winding leftover pieces, leftover pieces recycling roll 13 and guide roller 10 are provided on mounting rack 12 Parallel arrangement;The synchronous motor 121 for driving leftover pieces recycling roll 13 to rotate is provided on mounting rack 12.
As shown in figure 4, being provided with the axis direction for driving mounting rack 12 along leftover pieces recycling roll 13 on base station 11 It reciprocatingly slides in the force piece 14 on base station 11;Force piece 14 is driving cylinder or hydraulic cylinder, and driving gas is selected as in this programme Cylinder, and the cylinder body of cylinder is driven to be fixedly installed on base station 11, drive the piston rod of cylinder to connect with mounting rack 12.
It is moved as shown in figure 4, being on base station 11 to be easily installed frame 12, the bottom end of mounting rack 12 is provided with directive wheel 122, guide groove 111 is offered on base station 11, the rolling of directive wheel 122 is set in guide groove 111, realizes that mounting rack 12 is opposite The purpose to reciprocatingly slide is oriented in base station 11.
As schemed to combine shown in Fig. 1 and Fig. 4, it is transmitted between leftover pieces recycling roll 13 to improve leftover pieces from guide roller 10 Stability is transmitted, limit plate 15 is provided between leftover pieces recycling roll 13 and guide roller 10, and offer on limit plate 15 For the opening 151 for limiting leftover pieces conveyor zones;Meanwhile it being fixed at the both ends along its axis of leftover pieces recycling roll 13 It is provided with striker plate 22.
Referring to figure 1 and figure 5, the film output end of deburring bracket 1 is provided with winding bracket 16, in winding bracket 16 On be disposed with two help rolls 17 rotate in same direction, the top between two help rolls 17 is disposed with the wind-up roll for winding film 18, it is disposed with gear diaphragm plate 19 along the two sides of its axis in help roll 17, rotation is provided with lower compression roller 20 on winding bracket 16, under Pressure roller 20 is arranged in the feed end of help roll 17;By the gear diaphragm plate 19 at 18 axis both ends of wind-up roll, realize to film take-up in Left and right position-limiting action when on wind-up roll 18.
As shown in Figure 5 and Figure 6, it is symmetrically arranged with fixed frame 161 on winding bracket 16, in two fixed frames 161 and two sides Gear diaphragm plate 19 between be separately provided for driving gear diaphragm plate 19 along help roll 17 axis direction adjust regulating part 21;It adjusts Section part 21 includes the threaded rod that one end is threadedly coupled with fixed frame 161, and threaded rod protrudes from admittedly towards one end with fixed frame 161 Determine to be arranged outside frame 161, and is fixedly installed driving handle 211 in the end;The other end of threaded rod passes through bearing and gear diaphragm plate 19 rotation connections.
As shown in Figure 5 and Figure 6, it is in the adjusting stability on help roll 17 to improve gear diaphragm plate 19, two gear diaphragm plates 19 divide It is not fixedly connected with guiding litter 212, and the axis for being oriented to litter 212 and threaded rod is arranged in parallel, and in guiding litter 212 Gage is provided on periphery (attached drawing is not shown);Meanwhile the one end for being oriented to the separate gear diaphragm plate 19 of litter 212 is slided wear respectively In on the fixed frame 161 of two sides.
In conjunction with shown in Fig. 5 and Fig. 6, to improve the flexible contact between gear diaphragm plate 19 and film, by gear diaphragm plate 19 along film The both ends of conveying direction are disposed as rounded corner;Meanwhile it being in the winding stability on two help rolls 17 to improve wind-up roll 18, Holding tank 191 is offered on gear diaphragm plate 19, the both ends of wind-up roll 18 are respectively arranged in the holding tank 191 of two fixed frames 161, And the length of holding tank 191 is less than wind-up roll 18 and winds total radius length setting after film.
Working principle: firstly, film after molding is delivered to the oscillating roller on deburring bracket 1 by corresponding conveying device At 61, drives swinging frame 62 to be on deburring bracket 1 by actuator 63 and rotate, put its film before entering deburring It is dynamic, reduce the formation of fold;Then, film is delivered between two deburring feed rollers 71, and film has first passed through bidirectional helical protrusion It is transmitted on 711 deburring feed roller 71, film when to conveying forms the tension being unfolded to two sides, further increases the biography of film Quality is sent, the formation of fold is reduced, further around on another deburring feed roller 71, is sent to and repairs followed by deburring transition roller 72 Deburring processing is carried out at side transfer roller 2;Secondly, carrying out deburring to film two sides by the trimming blade 41 in fixed link 3, simultaneously The relative position that two trimming blades 41 are in two deburring transfer rollers, 2 top is adjusted by adjusting component 51, is reached to film difference The adjustment effect of deburring width improves the applicable performance of its deburring;Finally, on the one hand, the quantitative molding finished films of deburring pass Send to winding bracket 16 on wind-up roll 18 at wound, by help roll 17 drive wind-up roll 18 rotate, reach winding it is thin During which the purpose of film adjusts the distance between 18 liang of side block diaphragm plates 19 of wind-up roll by regulating part 21, makes itself and 18 liang of wind-up roll The film wound at end contradicts, and to the effect that the film after winding is limited, the winding for keeping its film neat is in wind-up roll On 18, improves wind-up roll 18 and wind the winding quality of film and wind the winding applicable performance of different in width film;Another party Face, the leftover pieces that deburring generates are sent in the leftover pieces recycling roll 13 on side mounting rack 12 by directive wheel 122, in corner During material recycling, drives mounting rack 12 to be on base station 11 by powerhouse and move back and forth, film is made to be wound in corner back and forth Expect in recycling roll 13, improve the winding capacity that leftover pieces recycling roll 13 winds leftover pieces, and then improves the deburring work effect of film Rate.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (8)

1. a kind of edge-neatening apparatus of PVC film, including deburring bracket (1), it is characterised in that: turn on the deburring bracket (1) Dynamic to be provided with two deburring transfer rollers (2), the surface between the two deburring transfer rollers (2) has been arranged symmetrically trimming blade (41), the trimming blade (41) is connect by mounting base (4) with deburring bracket (1), defeated in the film of the deburring bracket (1) Enter end to be provided with oscillating roller (61), the both ends of the oscillating roller (61) are rotatably connected to swinging frame (62), the swinging frame (62) One end far from oscillating roller (61) is rotationally connected on deburring bracket (1), and between deburring bracket (1) and swinging frame (62) It is provided with the actuator (63) for driving oscillating roller (61) to be in reciprocally swinging on deburring bracket (1), on deburring bracket (1) Rotation is provided with a pair of of deburring feed roller (71), and the two deburring feed rollers (71) are arranged in above oscillating roller (61) and position Between oscillating roller (61) and deburring transfer roller (2).
2. a kind of edge-neatening apparatus of PVC film according to claim 1, it is characterised in that: a deburring passes wherein The circumferential surface of roller (2) is sent to be provided with bidirectional helical raised (711), and the bidirectional helical raised (711) is passed to deburring respectively The both ends of roller (2) are sent to be extended.
3. a kind of edge-neatening apparatus of PVC film according to claim 2, it is characterised in that: the bidirectional helical protrusion (711) it is set to towards on the deburring transfer roller (2) of swinging frame (62) side.
4. a kind of edge-neatening apparatus of PVC film according to claim 1, it is characterised in that: the actuator (63) is pendulum It takes offence cylinder, two oscillating cylinders are symmetrically arranged in the two sides of deburring bracket (1), and the piston rod of oscillating cylinder is and swinging frame (62) hingedly, the cylinder body of oscillating cylinder is hinged with deburring bracket (1).
5. a kind of edge-neatening apparatus of PVC film according to claim 1, it is characterised in that: in the deburring feed roller (71) it is provided between deburring transfer roller (2) for detecting the concordant infrared inductor (9) spent in film two sides, two is described infrared The U-shaped setting of inductor (9), and it is symmetrically disposed on the two sides of deburring bracket (1).
6. a kind of edge-neatening apparatus of PVC film according to claim 1, it is characterised in that: on the deburring bracket (1) Be provided with deburring transition roller (72), the deburring transition roller (72) be set to deburring feed roller (71) and deburring transfer roller (2) it Between, and arranged between deburring feed roller (71) and deburring transfer roller (2) in triangular shape.
7. a kind of edge-neatening apparatus of PVC film according to claim 1, it is characterised in that: deburring bracket (1) bottom end It is provided with the leftover pieces recycling roll (13) for winding leftover pieces after deburring.
8. a kind of edge-neatening apparatus of PVC film according to claim 1, it is characterised in that: the trimming blade (41) is logical It crosses bolt (43) and is detachably fixed and be set on mounting base (4).
CN201821948921.0U 2018-11-24 2018-11-24 A kind of edge-neatening apparatus of PVC film Expired - Fee Related CN209158563U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821948921.0U CN209158563U (en) 2018-11-24 2018-11-24 A kind of edge-neatening apparatus of PVC film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821948921.0U CN209158563U (en) 2018-11-24 2018-11-24 A kind of edge-neatening apparatus of PVC film

Publications (1)

Publication Number Publication Date
CN209158563U true CN209158563U (en) 2019-07-26

Family

ID=67339956

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821948921.0U Expired - Fee Related CN209158563U (en) 2018-11-24 2018-11-24 A kind of edge-neatening apparatus of PVC film

Country Status (1)

Country Link
CN (1) CN209158563U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190726

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