CN209097857U - A kind of film cutting apparatus - Google Patents

Abstract

The utility model discloses a kind of film cutting apparatus, feeding mechanism, tensioning mechanism and the cutting mechanism being successively sequentially arranged including front and back, film roll is removably installed on the feeding mechanism, it is to convey film to the cutting mechanism, the cutting mechanism has traction unit and cut cells, the cut cells are placed in the rear side of the traction unit, the traction unit is delivered to its film to draw by feeding mechanism, and the cut cells are delivered to its film to fixed length cutting by the traction unit；The tensioning mechanism is to tense the film between the feeding mechanism and the traction unit.The cutting mechanism conveys conveying film from traction unit to cut cells, and tensioning mechanism, so that cloth between the two is in relaxation state always, is run then by the film tense between feeding mechanism and traction unit convenient for traction unit.

Description

A kind of film cutting apparatus

Technical field

The utility model belongs to machinery equipment field more particularly to a kind of film cutting apparatus.

Background technique

Structure is complicated for existing film cutting apparatus, and driving device need to be stalled periodically when in use, to cut When, it need to stop conveying film, in order to avoid cut place is irregular when in cutting, continuation feeding leads to cutting, and driving device frequently opens Stop that its service life can be reduced.

Utility model content

In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of structure is simple, and it is easy to use, And cutting efficiency is high, film cutting apparatus easy to maintain.

To achieve the goals above, the technical solution of the utility model is as follows: a kind of film cutting apparatus, including front and back according to Feeding mechanism, tensioning mechanism and the cutting mechanism of secondary sequence setting are removably equipped with film roll on the feeding mechanism, The cutting mechanism has traction unit and cut cells, and the cut cells are placed in the rear side of the traction unit, described to lead Draw unit to draw the film derived from the film roll and be delivered to the cut cells, the cut cells to Fixed length cutting is by being delivered to its film；The tensioning mechanism is to stressed membrane.

The beneficial effect of above-mentioned technical proposal is: conveying conveying film, and fastener from traction unit to cut cells Structure is then by the film tense between feeding mechanism and traction unit, so that cloth between the two is in relaxation shape always State runs convenient for traction unit.

Traction unit described in above-mentioned technical proposal includes third bracket, upper traction component, lower traction component and the second drive Dynamic device, the third bracket are set to the rear of the tensioning mechanism, the third bracket include two be vertically arranged the Three supporting plates, and two third supporting plates are parallel to each other and interval setting in left-right direction, the upper traction component and lower traction Component is setting up and down between two third supporting plates, and is rotatablely connected respectively with two third supporting plates, described second Side of any one third supporting plate far from another third supporting plate, and the lower traction component with respective side is arranged in driving device Or/and the transmission connection of upper traction component, the film from the front to the back across the upper traction component and lower traction component simultaneously The cut cells are delivered to by it.

The beneficial effect of above-mentioned technical proposal is: its structure is simple.

Cut cells described in above-mentioned technical proposal include the 4th bracket, fix a cutting tool, bottom tool and lifting device, and described the Four brackets are set to the rear of the third bracket, and the 4th bracket includes two the 4th supporting plates being vertically arranged, and two 4th supporting plate is parallel to each other and interval setting, described fix a cutting tool are horizontally placed on two institutes with bottom tool in left-right direction It states between the 4th supporting plate, and described fix a cutting tool is placed in the top of the bottom tool, and the edge of a knife of the two is close to each other, it is described to cut The both ends of tool extend respectively to be fixedly connected with two the 4th supporting plates, and the both ends fixed a cutting tool extend respectively to and two 4th supporting plate is slidably connected, and the film that the traction unit conveying comes is fixed a cutting tool bottom tool described in, described Lifting device is set between two the 4th supporting plates, and is located at the lower section of the top or bottom tool fixed a cutting tool, and It drives end and the transmission connection of fixing a cutting tool, and slides down to the edge of a knife of its lower end to fix a cutting tool described in driving and cuts with described The edge of a knife of tool upper end offsets, and to pass through film cutting between the two, or upward sliding of fixing a cutting tool described in driving extremely resets.

The beneficial effect of above-mentioned technical proposal is: its result is simple.

Upper traction component and lower traction component described in above-mentioned technical proposal respectively include a thick roller, one thin roller and more Conveyer belt, wherein the upper corresponding thick roller of traction component and thin roller conveyer belt are respectively the first thick roller and the first thin roller, The corresponding thick roller of lower traction component and thin roller are respectively the second thick roller and the second thin roller, the first thick roller and the second thick roller Horizontal is set between two third supporting plates, and the first thick roller and the second thick roller are parallel to each other and are bonded up and down, and The first thick roller is located at the top of the described second thick roller, and the both ends of the first thick roller and the second thick roller extend respectively to and two A third supporting plate rotation connection；The first thin roller and the second thin roller are horizontally disposed with respectively and are parallel to each other and are bonded up and down Be set between two third supporting plates, the first thin roller and the second thin roller are located at the rear of corresponding thick roller, The first thin roller is located at the top of the described second thin roller, and the both ends of the first thin roller are extended respectively to close to two described the Three supporting plates, and respectively by swing component and two third supporting plates rotation connections, and the first thin roller both ends respectively with institute Swing component rotation connection is stated, the both ends of the second thin roller extend respectively to be rotatablely connected with two third supporting plates；It is each described It is slightly evenly spaced along its length on the outer wall of roller, thin roller to be coaxially provided with a plurality of annular groove and a plurality of on each thick roller Annular groove is corresponded with a plurality of annular groove on corresponding thin roller respectively, and each thick roller is corresponding on corresponding thin roller Two annular grooves be located in same perpendicular, and each thick roller and two rings corresponding on corresponding thin roller Shape slot piece conveyer belt of common winding, the film successively front and back across two thick rollers and two thin roller；The pendulum Moving part and the lifting device are sequentially connected, and it is described first thin to drive that the lifting device drives the swing component to be rotated up Roller is moved upward to far from the described second thin roller or rotates down to drive the described first thin roller to be moved downward to reset, and described The swing component is rotated up when slide downward of fixing a cutting tool described in lifting device driving, and the lifting device driving is fixed a cutting tool upwards The swing component is swung down to reset when sliding；Any end of the second thick roller and second driving device transmission connect It connects, the second thick roller rotation is to drive the described first thick roller sync direction rotation.

The beneficial effect of above-mentioned technical proposal is: its structure is simple, lifting device driving described in fix a cutting tool to downslide When dynamic, the first thin roller is rotated up with separate second thin roller, so that fix a cutting tool when being bonded with bottom tool to cut, Two thin roller is located remotely from each other so that the conveying dynamics of its film on front side of cut cells reduces, and it is empty to possess bigger bending Between, and when fixing a cutting tool upward sliding, two thin roller is bonded to each other and conveys film, so that the film on front side of cut cells conveys It puts more effort, two thin roller dishes out film to across fixing a cutting tool bottom tool.

Swing component described in above-mentioned technical proposal includes second shaft and two the second swing arms, second shaft edge Left and right directions is horizontally placed between the described first thick roller and the first thin roller, and corresponding more across the first thick roller and the first thin roller A conveyer belt, both ends extend respectively to be rotatablely connected with two third supporting plates, and two swing arms are vertical bar shaped bar, And two swing arms are parallel to each other and are arranged at intervals between two third supporting plates in left-right direction, two swing arms One end be rotatablely connected respectively with the both ends of the described first thin roller, the other end of two swing arms respectively forwardly extends to described Second shaft is fixedly connected, and one end of second shaft and the lifting device are sequentially connected.

The beneficial effect of above-mentioned technical proposal is: its structure is simple.

Lifting device described in above-mentioned technical proposal includes third driving device and rotatable mechaninism, the third driving device Be set to the lower section of the bottom tool, and be located at the front end of the 4th bracket, the rotatable mechaninism include a third shaft, Two first rocking bars, second rocking bar, a third rocking bar, two first connecting rods, a second connecting rod and a third connect Bar, the third shaft are horizontally placed between two the 4th supporting plates, and are located at the third driving device and bottom tool Between, the both ends of the third shaft extend respectively to be rotatablely connected with two the 4th supporting plates, two first connecting rods Be vertically arranged in the two sides fixed a cutting tool respectively, and the upper end of two first connecting rods respectively with it is described fix a cutting tool it is corresponding Side rotation connection, the lower end of two first connecting rods extend to the lower section of the bottom tool straight down respectively and are respectively positioned on the The top of three shafts, two first rocking bars are parallel to each other and are respectively arranged at the both ends of the third shaft, described in two First rocking bar one end is vertical with the corresponding end of the third shaft to be connect, the other end respectively backward top extend to it is corresponding The lower end of the first connecting rod is rotatablely connected；Any end of one end of the second connecting rod and second shaft is fixed to be connected It connects, the other end extends to the lower section of the lower traction component, second rocking bar one end and the second connecting rod straight down Lower end rotation connection, the other end extends to connect vertical with the corresponding position of the third shaft to the back lower place；The third Rocking bar one end is vertical with the third shaft to be connect, and its junction and the third driving device driving end line perpendicular to The third shaft, the other end of the third rocking bar to extending to the back lower place and be rotatablely connected with one end of the third connecting rod, The other end of the third connecting rod, which is extended forwardly into, to be sequentially connected with the driving end of the third driving device by offset assembly, The third driving device drives reciprocal rotation before and after the third shaft, to drive the described first thin roller and fix a cutting tool upper reversed It is mobile.

The beneficial effect of above-mentioned technical proposal is: its structure is simple, and rotatable mechaninism can be in the drive of third driving device So that swing component and synchronous backward of fixing a cutting tool are mobile under dynamic.

Offset assembly described in above-mentioned technical proposal is a flywheel, the driving of the flywheel and the third driving device Hold coaxially connected, the one end of the third connecting rod far from the third rocking bar is connect with the flywheel eccentric rotary.

The beneficial effect of above-mentioned technical proposal is that structure is simple.

Detailed description of the invention

Fig. 1 is the structure diagram of film cutting apparatus described in the utility model embodiment；

Fig. 2 is the structure diagram of feeding mechanism described in the utility model embodiment；

Fig. 3 is the structure diagram of tensioning mechanism described in the utility model embodiment；

Fig. 4 is the structure diagram of traction unit described in the utility model embodiment；

Fig. 5 is the structure diagram of cut cells described in the utility model embodiment；

Fig. 6 is the integrally formed structure diagram of film cutting apparatus device described in the utility model embodiment；

Fig. 7 is the structure diagram of cutting mechanism described in the utility model embodiment；

Fig. 8 is upper traction component top view described in the utility model embodiment；

Fig. 9 is the structure diagram of offset assembly described in the utility model embodiment.

In figure: 1 feeding mechanism, 11 first supports, 111 first supporting plates, 12 first driving devices, 13 air-expanding shafts, 14 safety Collet, 141 safety chuck components, 2 tensioning mechanisms, 21 second supports, 211 second supporting plates, 22 gravity-rollers, 23 first rotating shafts, 24 First swing arm, 25 slewing rollers, 3 cutting mechanisms, 31 traction units, 311 third brackets, 3111 third supporting plates, the upper draw groups of 312a Traction component, 3121 thick rollers, the thick roller of 3121a first, the thick roller of 3121b second, 3122 thin rollers, 3122a first are thin under part, 312b Roller, the thin roller of 3122b second, 3123 conveyer belts, 3124 swing components, 31,241 second shafts, 31,242 second swing arms, 313 second are driven Dynamic device, 32 cut cells, 321 the 4th brackets, 3211 the 4th supporting plates, 322 fix a cutting tool, bottom tool 323,324 lifting devices, 3241 third driving devices, 32411 offset assemblies, 3242 rotatable mechaninisms, 32421 third shafts, 32,422 first rocking bars, 32423 Second rocking bar, 32424 third rocking bars, 32425 first connecting rods, 32426 second connecting rods, 32427 third connecting rods, 4 film rolls, 41 films, 5 brackets, 51 supporting plates.

Specific embodiment

The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical It is novel, it is not intended to limit the scope of the utility model.

As shown in Figure 1, a kind of film cutting apparatus is present embodiments provided, the feeder being successively sequentially arranged including front and back Structure 1, tensioning mechanism 2 and cutting mechanism 3 are removably equipped with film roll 4 on the feeding mechanism 1, to described Cutting mechanism 3 conveys film, and the cutting mechanism 3 has traction unit 31 and cut cells 32, and the cut cells 32 are placed in The rear side of the traction unit 31, the traction unit 31 is delivered to its film 41 to draw by feeding mechanism 1, described to cut Cut unit 32 is delivered to its film to fixed length cutting by the traction unit 31；The tensioning mechanism 2 is described to tense Film 41 between feeding mechanism 1 and the traction unit 31.Conveying film is conveyed from traction unit to cut cells, and is tensed Mechanism is then by the film tense between feeding mechanism and traction unit, so that cloth between the two is in relaxation shape always State runs convenient for traction unit.

As shown in Fig. 2, feeding mechanism 1 described in above-mentioned technical proposal includes first support 11, first driving device 12, gas Swelling shaft 13 and safety chuck 14, the first support 11 are vertically arranged with two pieces and are parallel to each other and are spaced in left-right direction and set The first supporting plate 111 set, the safety chuck 14 include two safety chuck components 141, two safety chuck components 141 It is relatively arranged between two first supporting plates 111, and is rotatablely connected respectively with two first supporting plates 111, the gas Swelling shaft 13 is horizontally placed between two safety chuck components 141 and is detachably connected with it, and the air-expanding shaft 13 with Two first supporting plates 111 are mutually perpendicular to, and the film roll 4 is coaxially detachably arranged on the air-expanding shaft 13, institute It states first driving device 12 and is mounted on any one side of the first supporting plate 111 far from another first supporting plate 111, and with corresponding Safety chuck component 141 on one supporting plate 111 is sequentially connected.

As shown in figure 3, tensioning mechanism 2 described in above-mentioned technical proposal includes second support 21,22, first turns of gravity-roller Axis 23 and the first swing arm 24, the second support 21 are placed in the rear of the first support 11, have two pieces be vertically arranged and It is parallel to each other and spaced second supporting plate 211, the first rotating shaft 23 is horizontally placed at two described second in left-right direction It between supporting plate 211, and is mutually perpendicular to two second supporting plates 211, both ends extend respectively to and two described second Plate 211 is rotatablely connected, and first swing arm 24 is two, and two first swing arms 24 are vertical bar shaped and the simultaneously edge that is parallel to each other Left and right directions is arranged at intervals between two second supporting plates 211, one end of two first swing arms 24 respectively with it is described First rotating shaft 23 vertically connects, and respectively forwardly lower section extends the other end, and the gravity-roller 22 is two, two gravity-rollers 22 are parallel to each other and are arranged at intervals between two first swing arms 24 along the longitudinal direction, and two gravity-rollers 22 are distinguished It is rotatablely connected with two first swing arms 24 far from one end of the first rotating shaft 23, the feeding mechanism 1 and the traction Film 41 between unit 31 is from bottom to top across two gravity-rollers 22, and structure is simple, when sending for feeding mechanism When expecting that speed is greater than the feeding speed of traction unit, the swing arm of tensioning mechanism is rotated down, and the feeding speed of feeding mechanism is small When the feeding speed of traction unit, film is stretched so that the swing arm of tensioning mechanism is rotated up.

Preferably, tensioning mechanism 2 described in above-mentioned technical proposal further includes slewing rollers 25, and 25 level of slewing rollers is set Between two second supporting plates 211, and it is located at the rear side of 23 top of first rotating shaft, both ends are respectively and described in two The rotation connection of second supporting plate 211, the film 41 pass through two gravity-rollers 22 and from bottom to top through 25 turns of the slewing rollers It is delivered to the traction unit 31 backward.

As shown in figure 4, traction unit 31 described in above-mentioned technical proposal include third bracket 311, upper traction component 312a, Lower traction component 312b and the second driving device 313, the third bracket 311 is set to the rear of the tensioning mechanism 2, described Third bracket 311 includes two third supporting plates 3111 being vertically arranged, and two third supporting plates 3111 are parallel to each other and edge The setting of left and right directions interval, the upper traction component 312a and lower traction component 312b are setting up and down in two third supporting plates It between 3111, and is rotatablely connected respectively with two third supporting plates 3111, second driving device 313 is arranged any one Side of a third supporting plate 3111 far from another third supporting plate 3111, and with the lower traction component 312b of respective side or/and on lead Draw component 312a transmission connection, the film 41 from the front to the back pass through the upper traction component 312a and lower traction component 312b it Between and the cut cells 32 are delivered to by it.

As shown in figure 5, cut cells 32 described in above-mentioned technical proposal include the 4th bracket 321, fix a cutting tool 322, cut Tool 323 and lifting device 324, the 4th bracket 321 are set to the rear of the third bracket 311, the 4th bracket 321 The 4th supporting plate 3211 being vertically arranged including two, and two the 4th supporting plates 3211 are parallel to each other and are spaced in left-right direction Setting, it is described fix a cutting tool 322 and bottom tool 323 be horizontally placed between two the 4th supporting plates 3211321, and it is described on Cutter 322 is placed in the top of the bottom tool 323, and the edge of a knife of the two is close to each other, the both ends difference of the bottom tool 323 Extend to and be fixedly connected with two the 4th supporting plates 3211, it is described fix a cutting tool 322 both ends extend respectively to described in two 4th supporting plate 3211 is slidably connected, and the film 41 that the conveying of traction unit 31 comes passes through 322 and the bottom tool 323 of fixing a cutting tool Between, the lifting device 324 is set between two the 4th supporting plates 3211, and be located at it is described fix a cutting tool 322 top Or the lower section of bottom tool 323, and it drives end and 322 transmission connections of fixing a cutting tool, with fix a cutting tool described in driving 322 to Lower slider to the edge of a knife of its lower end and the edge of a knife of 323 upper end of bottom tool offsets, and is cut with the film 41 for passing through between the two It is disconnected, or 322 upward slidings extremely reset of fixing a cutting tool described in driving.

As shown in Figure 7 and Figure 8, upper traction component 312a and lower traction component 312b described in above-mentioned technical proposal is wrapped respectively Include 3121, the one thin roller 3122 of a thick roller and a plurality of conveyer belt 3123, wherein the corresponding thick roller of the upper traction component 312a 3121 and thin 3122 conveyer belt of roller be respectively the first thick thin roller 3122a of roller 3121a and first, 312b pairs of the lower traction component The thick roller 3121 and thin roller 3122 answered be respectively the second thick thin roller 3122b of roller 3121b and second, the first thick roller 3121a and Second thick roller 3121b is horizontal to be set between two third supporting plates 3111, and the first thick roller 3121a and second is thick Roller 3121b is parallel to each other and is bonded up and down, and the first thick roller 3121a is located at the top of the described second thick roller 3121b, described The both ends of the first thick thick roller 3121b of roller 3121a and second extend respectively to be rotatablely connected with two third supporting plates 3111；Institute The first thin thin roller 3122b of roller 3122a and second is stated to be horizontally disposed with and be parallel to each other and what is be bonded up and down is set to two institutes respectively It states between third supporting plate 3111, after the first thin thin roller 3122b of roller 3122a and second is located at corresponding thick roller 3121 Side, the first thin roller 3122a are located at the top of the described second thin roller 3122b, the both ends difference of the first thin roller 3122a Two third supporting plates 3111 are extended close to, and are rotated respectively by swing component 3124 and two third supporting plates 3111 Connection, and the both ends the first thin roller 3122a are rotatablely connected with the swing component 3124 respectively, the both ends of the second thin roller 3122b It extends respectively to be rotatablely connected with two third supporting plates 3111；Each thick roller 3121, thin roller 3122 outer wall on edge Its length direction is evenly spaced to be coaxially provided with a plurality of annular groove, and a plurality of annular groove on each thick roller 3121 respectively with it is corresponding A plurality of annular groove on thin roller 3122 corresponds, and each thick roller 3121 and on corresponding thin roller 3122 corresponding two A annular groove is located in same perpendicular, and each thick roller 3121 and on corresponding thin roller 3122 corresponding two A common winding one conveyer belt 3123 of annular groove, successively front and back passes through two thick rollers 3121 and two to the film 41 Between thin roller 3122；The swing component 3124 is sequentially connected with the lifting device 324, and the lifting device 324 drives described Swing component 3124 be rotated up with drive the described first thin roller 3122a be moved upward to far from the described second thin roller 3122b or to Lower rotation is to drive the described first thin roller 3122a to be moved downward to reset, and the lifting device 324 drives described fix a cutting tool The swing component 3124 is rotated up when 322 slide downward, and the lifting device 324 drives 322 upward sliding when institute of fixing a cutting tool It states swing component 3124 and is swung down to reset；Any end and second driving device 313 of the second thick roller 3121b passes Dynamic connection, the second thick roller 3121b rotation is to drive the described first thick roller 3121a sync direction rotation.Its structure is simple, When slide downward of fixing a cutting tool described in lifting device driving, the first thin roller is rotated up with separate second thin roller, so that Fix a cutting tool when being bonded with bottom tool to cut, two thin roller be located remotely from each other so that its film on front side of cut cells it is defeated It send dynamics to reduce, and possesses bigger bending space, and when fixing a cutting tool upward sliding, two thin roller is bonded to each other and conveys thin Film, so that the film conveying on front side of cut cells puts more effort, two thin roller dishes out film to across fixing a cutting tool and bottom tool Between.

Swing component 3124 described in above-mentioned technical proposal includes second shaft 31241 and two the second swing arms 31242, Second shaft 31241 is horizontally placed in left-right direction between the described first thick thin roller 3122a of roller 3121a and first, and Across the corresponding multiple conveyer belts 3123 of the first thick thin roller 3122a of roller 3121a and first, both ends are extended respectively to and two institutes The rotation connection of third supporting plate 3111 is stated, two swing arms 31242 are vertical bar shaped bar, and two swing arms 31242 are mutually It is arranged at intervals in parallel and in left-right direction between two third supporting plates 3111, one end point of two swing arms 31242 It is not rotatablely connected with the both ends of the described first thin roller 3122a, the other end of two swing arms 31242 respectively forwardly extends to institute It states the second shaft 31241 to be fixedly connected, one end of second shaft 31241 and the lifting device 324 are sequentially connected.

Preferably, Fig. 7 is further regarded to, lifting device 324 described in above-mentioned technical proposal includes third driving device 3241 and rotatable mechaninism 3242, the third driving device 3241 is set to the lower section of the bottom tool 323, and is located at described The front end of 4th bracket 321, the rotatable mechaninism 3242 include 32421, two first rocking bars 32422, one of a third shaft The 32425, second connecting rods 32426 of the first connecting rod of third rocking bar 32424, two of the second rocking bar of root 32423, one and one Third connecting rod 32427, the third shaft 32421 are horizontally placed between two the 4th supporting plates 3211, and are located at described Between third driving device 3241 and bottom tool 323, the both ends of the third shaft 32421 are extended respectively to and two described The rotation connection of four supporting plates 3211, two first connecting rods 32425 be vertically arranged in respectively it is described fix a cutting tool 322 two sides, and The upper end of two first connecting rods 32425 respectively with it is described fix a cutting tool 322 respective side be rotatablely connected, two it is described first connect The lower end of bar 32425 extends to the lower section of the bottom tool 323 straight down respectively and is respectively positioned on the upper of third shaft 32421 Side, two first rocking bars 32422 are parallel to each other and are respectively arranged at the both ends of the third shaft 32421, described in two First rocking bar, 32422 one end is vertical with the corresponding end of the third shaft 32421 to be connect, and top extends the other end respectively backward It is rotatablely connected to the lower end of the corresponding first connecting rod 32425；One end of the second connecting rod 32426 with described second turn Any end of axis 31241 is fixedly connected, and the other end extends to the lower section of the lower traction component 312b straight down, described Second rocking bar, 32423 one end and the lower end of the second connecting rod 32426 are rotatablely connected, and the other end is extended to the back lower place and institute The corresponding position for stating third shaft 32421 vertically connects；Described 32424 one end of third rocking bar is vertical with the third shaft 32421 Connection, and the line at its junction and the third driving device 3241 driving end is perpendicular to the third shaft 32421, it is described The other end of third rocking bar 32424 to extend to the back lower place and with one end of the third connecting rod 32427 be rotatablely connected, the third The other end of connecting rod 32427, which is extended forwardly into, to be passed with the driving end of the third driving device 3241 by offset assembly 32411 Dynamic connection, the third driving device 3241 drive the 32421 reciprocal rotation in front and back of third shaft, described first thin to drive Roller 3122a and fixing a cutting tool is moved backward on 322, and structure is simple, and rotatable mechaninism can make under the driving of third driving device It obtains swing component and synchronous backward of fixing a cutting tool is mobile.

As shown in fig. 6, first support 11 described in above-mentioned technical proposal, second support 21, third bracket 311 and the 4th Frame 321 is integrally formed the bracket 5 for constituting the entire film cutting apparatus, and the first supporting plate 111, the second supporting plate of same side 211, third supporting plate 3111 and the 4th supporting plate 3211, which are integrally formed, constitutes supporting plate 51, so that whole device integrated degree is higher, Structure is more compact.

Wherein, the first driving device, the second driving device and third driving device are motor.

Wherein, the offset assembly 32411 is a flywheel, the drive of the flywheel and the third driving device 3241 Moved end is coaxially connected, and the one end of the third connecting rod 32427 far from the third rocking bar 32424 and the flywheel eccentric rotary connect It connects.

Preferably, the offset assembly 32411 can also use structure as shown in Figure 9 comprising a flywheel and one A annulus, the flywheel is connect with the driving end bias of the third driving device, and the flywheel drives perpendicular to the third The driving end of dynamic device, the annulus is coaxially set in outside the flywheel, and is slidably connected with the flywheel periphery, the third The one end of connecting rod far from third rocking bar is fixedly connected with annulus periphery corresponding position, and the third driving device rotation, which drives, to fly Wheel is eccentrically rotated, and the flywheel and the annulus relative rotation, to drive the annulus to swing, so that third connects Bar drives the third shaft periodically front and back rotation by third rocking bar.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (7)

1. a kind of film cutting apparatus, which is characterized in that feeding mechanism (1), the tensioning mechanism being successively sequentially arranged including front and back (2) and cutting mechanism (3) it, is removably equipped with film roll (4) on the feeding mechanism (1), cutting mechanism (3) tool There are traction unit (31) and cut cells (32), the cut cells (32) are placed in the rear side of the traction unit (31), described Traction unit (31) is to draw the film (41) as derived from the film roll (4) and be delivered to the cut cells (32) Place, the cut cells (32) are to fixed length cutting by being delivered to its film；The tensioning mechanism (2) is to stressed membrane (41)。

2. film cutting apparatus according to claim 1, which is characterized in that the traction unit (31) includes third bracket (311), upper traction component (312a), lower traction component (312b) and the second driving device (313), the third bracket (311) It is set to the rear of the tensioning mechanism (2), the third bracket (311) includes two third supporting plates being vertically arranged (3111), and two third supporting plates (3111) are parallel to each other and interval setting in left-right direction, the upper traction component (312a) and lower traction component (312b) are setting up and down between two third supporting plates (3111), and respectively and described in two Third supporting plate (3111) rotation connection, the second driving device (313) setting are separate in any one third supporting plate (3111) The side of another third supporting plate (3111), and passed with the lower traction component (312b) of respective side or/and upper traction component (312a) Dynamic connection, the film (41) from the front to the back across the upper traction component (312a) and lower traction component (312b) and by It is delivered to the cut cells (32).

3. film cutting apparatus according to claim 2, which is characterized in that the cut cells (32) include the 4th bracket (321), it fixes a cutting tool (322), bottom tool (323) and lifting device (324), the 4th bracket (321) are set to the third The rear of bracket (311), the 4th bracket (321) include two the 4th supporting plates (3211) being vertically arranged, and described in two 4th supporting plate (3211) be parallel to each other and in left-right direction interval setting, it is described fix a cutting tool (322) and bottom tool (323) level It is set between two the 4th supporting plates (3211) (321), and fix a cutting tool (322) are placed in the bottom tool (323) Top, and the edge of a knife of the two is close to each other, the both ends of the bottom tool (323) extend respectively to and two the 4th supporting plates (3211) it is fixedly connected, the both ends for fixing a cutting tool (322) extend respectively to connect with two the 4th supporting plate (3211) slidings It connects, the film (41) that traction unit (31) conveying comes is fixed a cutting tool (322) described in bottom tool (323), described Lifting device (324) is set between two the 4th supporting plates (3211), and be located at it is described fix a cutting tool (322) top or The lower section of bottom tool (323), and its drive end and it is described fix a cutting tool (322) transmission connection, with driving described in fix a cutting tool (322) to Lower slider to the edge of a knife of its lower end and the edge of a knife of the bottom tool (323) upper end offsets, to pass through film between the two (41) it cuts off, or (322) upward sliding of fixing a cutting tool described in driving extremely resets.

4. film cutting apparatus according to claim 3, which is characterized in that the upper traction component (312a) and lower traction Component (312b) respectively includes a thick roller (3121), a thin roller (3122) and a plurality of conveyer belt (3123), wherein on described The corresponding thick roller (3121) of traction component (312a) and thin roller (3122) conveyer belt are respectively the first thick roller (3121a) and first Thin roller (3122a), the lower corresponding thick roller (3121) of traction component (312b) and thin roller (3122) are respectively the second thick roller (3121b) and the second thin roller (3122b), the first thick roller (3121a) and the second thick roller (3121b) it is horizontal be set to two Between a third supporting plate (3111), and the first thick roller (3121a) and the second thick roller (3121b) are parallel to each other and paste up and down It closes, and the first thick roller (3121a) is located at the top of the described second thick roller (3121b), the first thick roller (3121a) and the The both ends of two thick rollers (3121b) extend respectively to be rotatablely connected with two third supporting plates (3111)；The first thin roller (3122a) and the second thin roller (3122b) are horizontally disposed with respectively and are parallel to each other and what is be bonded up and down is set to two thirds Between supporting plate (3111), the first thin roller (3122a) and the second thin roller (3122b) are located at corresponding thick roller (3121) Rear, the first thin roller (3122a) are located at the top of the described second thin roller (3122b), and the two of the first thin roller (3122a) End is extended respectively to close to two third supporting plates (3111), and passes through swing component (3124) and two third branch respectively Plate (3111) rotation connection, and first thin roller (3122a) both ends are rotatablely connected with the swing component (3124) respectively, second The both ends of thin roller (3122b) extend respectively to be rotatablely connected with two third supporting plates (3111)；Each thick roller (3121), evenly spaced along its length on the outer wall of thin roller (3122) to be coaxially provided with a plurality of annular groove, and each thick roller (3121) a plurality of annular groove on is corresponded with a plurality of annular groove on corresponding thin roller (3122) respectively, and each thick roller (3121) it is located in same perpendicular with corresponding thin upper corresponding two annular grooves of roller (3122), and each described Thick roller (3121) and corresponding thin upper common winding one conveyer belt (3123) of corresponding two annular grooves of roller (3122), The film (41) successively front and back across two thick rollers (3121) and two thin roller (3122)；The swing component (3124) with Lifting device (324) transmission connection, the lifting device (324) drive the swing component (3124) to be rotated up to drive The first thin roller (3122a) is moved upward to far from the described second thin roller (3122b) or rotates down to drive described first Thin roller (3122a) is moved downward to reset, and (322) slide downward when institute of fixing a cutting tool described in the lifting device (324) driving It states swing component (3124) to be rotated up, the lifting device (324) drives swing component when fixing a cutting tool (322) upward sliding (3124) it is swung down to reset；Any end of the second thick roller (3121b) and second driving device (313) are driven Connection, second thick roller (3121b) rotation is to drive the described first thick roller (3121a) sync direction rotation.

5. film cutting apparatus according to claim 4, which is characterized in that the swing component (3124) includes one second Shaft (31241) and two the second swing arms (31242), second shaft (31241) are horizontally placed on described in left-right direction Between first thick roller (3121a) and the first thin roller (3122a), and it is right across the first thick roller (3121a) and the first thin roller (3122a) The multiple conveyer belts (3123) answered, both ends extend respectively to be rotatablely connected with two third supporting plates (3111), two institutes Stating swing arm (31242) is vertical bar shaped bar, and two swing arms (31242) are parallel to each other and are arranged at intervals in left-right direction Between two third supporting plates (3111), one end of two swing arms (31242) respectively with the described first thin roller (3122a) Both ends rotation connection, it is solid that the other end of two swing arms (31242) respectively forwardly extends to second shaft (31241) Fixed connection, one end and the lifting device (324) of second shaft (31241) are sequentially connected.

6. film cutting apparatus according to claim 5, which is characterized in that the lifting device (324) includes that third is driven Dynamic device (3241) and rotatable mechaninism (3242), the third driving device (3241) are set under the bottom tool (323) Side, and it is located at the front end of the 4th bracket (321), the rotatable mechaninism (3242) includes third shaft (32421), two The first rocking bar of root (32422), second rocking bar (32423), a third rocking bar (32424), two first connecting rods (32425), second connecting rod (32426) He Yigen third connecting rod (32427), the third shaft (32421) are horizontally disposed Between two the 4th supporting plates (3211), and between the third driving device (3241) and bottom tool (323), institute The both ends for stating third shaft (32421) extend respectively to be rotatablely connected with two the 4th supporting plates (3211), and two described the One connecting rod (32425) is vertically arranged in the two sides for fixing a cutting tool (322) respectively, and two first connecting rods (32425) Upper end is rotatablely connected with the respective side for fixing a cutting tool (322) respectively, and the lower end of two first connecting rods (32425) is erected respectively It directly extends downward into the lower section of the bottom tool (323) and is respectively positioned on the top of third shaft (32421), two described first are shaken Bar (32422) is parallel to each other and is respectively arranged at the both ends of the third shaft (32421), two first rocking bars (32422) one end is vertical with the corresponding end of the third shaft (32421) connect, the other end respectively backward top extend to The lower end of the corresponding first connecting rod (32425) is rotatablely connected；One end of the second connecting rod (32426) with described second turn Any end of axis (31241) is fixedly connected, and the other end extends to the lower section of the lower traction component (312b) straight down, The lower end of described second rocking bar (32423) one end and the second connecting rod (32426) is rotatablely connected, and the other end prolongs to the back lower place Extend to connect vertical with the corresponding position of the third shaft (32421)；Described third rocking bar (32424) one end and the third turn Axis (32421) vertically connects, and the line at its junction and the third driving device (3241) driving end is perpendicular to described the Three shafts (32421), the other end of the third rocking bar (32424) to extend to the back lower place and with the third connecting rod (32427) One end rotation connection, the other end of the third connecting rod (32427) extends forwardly into and the third driving device (3241) Driving end pass through offset assembly (32411) and be sequentially connected, the third driving device (3241) drives the third shaft (32421) the reciprocal rotation in front and back is moved backward on (322) with driving the described first thin roller (3122a) and fixing a cutting tool.

7. film cutting apparatus according to claim 6, which is characterized in that the offset assembly (32411) is one and flies Wheel, the flywheel and the driving end of the third driving device (3241) are coaxially connected, and the third connecting rod (32427) is far from institute The one end for stating third rocking bar (32424) is connect with the flywheel eccentric rotary.