CN115027043A - Film biaxial stretching production line is with indulging machine of drawing - Google Patents
Film biaxial stretching production line is with indulging machine of drawing Download PDFInfo
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- CN115027043A CN115027043A CN202210947538.8A CN202210947538A CN115027043A CN 115027043 A CN115027043 A CN 115027043A CN 202210947538 A CN202210947538 A CN 202210947538A CN 115027043 A CN115027043 A CN 115027043A
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- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
- B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention relates to the field of processing of plastic state substances, in particular to a longitudinal drawing machine for a film biaxial stretching production line. The invention provides a longitudinal drawing machine for a film biaxial stretching production line, which has smooth process of film stretching and wide stretching range and can greatly avoid film fracture in the stretching process. The utility model provides a film biaxial stretching production line is with indulging machine of drawing, including horizontal tensile shell, vertical tensile shell, indulge the machine top cap, around membrane pole and rolling subassembly, horizontal tensile shell, vertical tensile shell and indulge the machine top cap and connect through the bolt, horizontal tensile shell right side has been placed around the membrane pole, vertical tensile shell left side is installed and is used for the rolling to draw the rolling subassembly of back film. The convex transmission group and the concave transmission group move to continuously stretch the film transversely, so that the film is prevented from being broken due to direct stretching by a line, the stretching range of the film is wide due to the design of the first stretching rollers, and the condition that the film is broken in the stretching process can be avoided to a great extent.
Description
Technical Field
The invention relates to the field of processing of plastic state substances, in particular to a longitudinal drawing machine for a film biaxial stretching production line.
Background
The film needs to be stretched in the process of processing and forming, the stretching of the film is generally unidirectional, and the unidirectional stretched film has certain defects and application scenes are limited.
The film production processing equipment with the publication number of CN114536727A and the publication date of 20220527, in particular to a film bidirectional synchronous stretching processing device, which comprises a bottom plate horizontally arranged, wherein movable shaft sleeves are symmetrically sleeved on two sides of a lower guide roller in a sliding manner, and matching wheels are coaxially fixed on the movable shaft sleeves; an upper pressing assembly and a lower pressing assembly are respectively arranged above the two groups of upper guide rollers and below the lower guide rollers and are connected through a reverse moving structure; the driving component is connected with the upper pressure component and the longitudinal pulling mechanism; the upper pressing assembly is connected with the transverse pulling mechanism through the transmission assembly, and the transverse pulling mechanism is connected with the lower pressing assembly. The driving assembly drives the upper pressing assembly to move downwards, and the upper pressing assembly drives the lower pressing assembly to move upwards by virtue of a reverse moving structure, so that the film is fastened between the upper guide roller and the lower guide roller; then the driving component drives the longitudinal drawing mechanism to move downwards continuously to longitudinally draw the previous section of film; the transmission component drives the transverse pulling mechanism to transversely pull the subsequent section of film, so that the bidirectional stretching effect is achieved.
When the film is subjected to biaxial stretching treatment, the film is firstly fastened and then stretched from one line, the stretching action is not smooth, the stretching range is small, and the film is easily broken in the stretching process, so that the stretching process of the film is smooth, the stretching range is wide, and the film can be greatly prevented from being broken in the stretching process.
Disclosure of Invention
In order to overcome the defects that the action is not smooth when the film is stretched, the stretching range is small and the film is easy to break in the stretching process in the prior art, the invention aims to provide the longitudinal drawing machine for the film biaxial stretching production line, which has the advantages that the film stretching process is smooth, the stretching range is wide and the film breakage in the stretching process can be greatly avoided.
The technical scheme is as follows: a longitudinal drawing machine for a film biaxial stretching production line, which comprises a transverse stretching shell, a longitudinal stretching shell and a longitudinal drawing machine top cover, wherein the transverse stretching shell, the longitudinal stretching shell and the longitudinal drawing machine top cover are connected through bolts, and the longitudinal drawing machine also comprises a film winding rod, rolling subassembly, the grip roller, vertical stretching mechanism and horizontal stretching mechanism, horizontal stretching shell right side has been placed around the membrane pole, the rolling subassembly that is used for the tensile back film of rolling is installed in vertical stretching shell left side, two grip rollers are installed in the left side in the horizontal stretching shell, the grip roller is located around membrane pole left side, two grip roller cooperations are led and are held the film, vertical stretching mechanism who is used for carrying out vertical stretching to the film is installed on the right side in the vertical stretching shell, the middle part is connected with the horizontal stretching mechanism who is used for carrying out horizontal stretching to the film in the horizontal stretching shell, the film carries out vertical stretching after transversely stretching in horizontal stretching mechanism and enters into vertical stretching mechanism.
Optionally, the rolling component comprises a rolling rod and a sliding sleeve, first spring, rotation connecting rod and auxiliary block, the detachable rolling pole that is used for the tensile back film of rolling of installing in vertical tensile shell left side, vertical tensile shell left side antetheca rotary type is connected with the rotation connecting rod, the rotation connecting rod runs through vertical tensile shell antetheca, the sliding type is connected with the sliding sleeve behind the rotation connecting rod, the sliding sleeve rear end face evenly is provided with a plurality of wedge fixture blocks that are used for blocking the rolling pole, sliding sleeve and vertical tensile shell sliding type are connected, the sliding sleeve front side is connected with the auxiliary block, be connected with first spring between auxiliary block and the vertical tensile shell antetheca, first spring is around on the sliding sleeve, the wedge fixture block of rolling pole downward installation extrusion sliding sleeve rear end face, drive sliding sleeve and auxiliary block move forward, first spring is stretched, in the sliding sleeve is received to the rolling pole joint, first spring resets and drives the sliding sleeve and moves good rolling pole of card backward.
Optionally, the longitudinal stretching mechanism comprises a first servo motor, a first belt transmission group, a first stretching roller and a second belt transmission group, the first servo motor is installed on the right side of the bottom in the longitudinal stretching shell, four first stretching rollers are rotatably connected to the right side in the longitudinal stretching shell, the three first stretching rollers on the left side stretch the film longitudinally, one first stretching roller on the right side guides the film during stretching, a first belt transmission group is installed between the three first stretching rollers on the left side and an output shaft of the first servo motor, a second belt transmission group is installed between the first stretching roller on the left side and the rotating connecting rod, the first servo motor is started to drive the first belt transmission group to rotate, the first belt transmission group drives the three first stretching rollers on the left side to rotate to stretch the film longitudinally, and the first stretching roller on the left side drives the second belt transmission group to rotate, the second belt transmission group drives the winding rod to automatically wind the stretched film through the rotating connecting rod.
Optionally, the transverse stretching mechanism comprises a film supporting plate and a supporting frame, concave type transmission group, convex type transmission group and second servo motor, the support frame is all installed through the bolt in both sides around the right part in the lateral stretching shell, the support frame is the slope design, two support frame left side intervals are greater than the right side interval, install the film backup pad between two support frames, concave type transmission group is all installed to one side that the support frame upper portion of both sides is close to the film backup pad around, convex type transmission group is all installed to one side that the support frame lower part of both sides is close to the film backup pad around, convex type transmission group and concave type transmission group mutually support the chucking film edge and carry out lateral stretching to the film, second servo motor is all installed through the bolt in both sides around the right part in the lateral stretching shell, the second servo motor output shaft of rear side passes through the coupling joint with the convex type transmission group of rear side, the second servo motor output shaft of front side passes through the coupling joint with the convex type transmission group of front side.
Optionally, the concave transmission group comprises two transmission rotating shafts, two concave transmission wheels and a concave transmission belt, the outer edges of the two concave transmission wheels are concave towards the middle, the two transmission rotating shafts are respectively and rotatably mounted on the left side and the right side of the upper part of the support frame, the two concave transmission wheels are mounted on the transmission rotating shafts, and the concave transmission belt is wound on the two concave transmission wheels; protruding type transmission group comprises two transmission pivots, two protruding type drive wheels and a protruding type driving belt, two protruding type drive wheel outward flanges are protruding to the centre, two transmission pivots are installed in the support frame lower part left and right sides respectively the rotary type, two protruding type drive wheels are installed in the transmission pivot, protruding type driving belt is around on two protruding type drive wheels, the film is fixed between concave type driving belt and protruding type driving belt, concave type driving belt and the continuous transmission of protruding type driving belt carry out transverse stretching to the film.
Optionally, still including preventing the excessive tensile vertical stretching force control mechanism of film, vertical stretching force control mechanism is including the guide rail, the second spring, slider and control roller, the guide rail is installed to bottom left side front and back symmetry in the horizontal stretching shell, equal sliding connection has the slider on two guide rails, install the control roller that cushions the film drawing between two sliders, the control roller is walked around to the film, two guide rail left sides are all around there being the second spring, the second spring both ends are connected with guide rail and slider respectively, the film vertical stretching force is too big to drive the control roller and moves left, the second spring cushions dragging tight film, prevent the film excessive stretching.
Optionally, still including the accurate vertical tensile dynamics positioning mechanism that prevents the film overstretch, vertical tensile dynamics positioning mechanism is including the locating plate, locating lever and third spring, the locating plate is all installed on two guide rail upper portions, two equal sliding type in slider top are connected with the locating lever, the locating lever slides from top to bottom in the slider, the locating plate bottom evenly open have with locating lever complex recess, be connected with the third spring between locating lever and the slider, the slider moves left and drives the locating lever and move left, the distance that the locating plate restriction slider moved left, the accurate film overstretch that prevents.
Optionally, the film winding device further comprises a resistance increasing mechanism for ensuring that the film is always in a tight state, the resistance increasing mechanism comprises a U-shaped resistance increasing rod, a connecting rod and a fourth spring, the connecting rod is symmetrically connected with the right part of the transverse stretching shell in a front-back sliding manner, the connecting rod slides back and forth in the transverse stretching shell, the front side of the connecting rod on the front side and the rear side of the connecting rod on the rear side are fixedly connected with the U-shaped resistance increasing rod, the U-shaped resistance increasing rod is used for clamping the film winding rod, the left part and the right part of one end face, far away from the transverse stretching shell, of the U-shaped resistance increasing rod are inclined planes, the fourth spring is connected between the U-shaped resistance increasing rod and the transverse stretching shell, the fourth spring is wound on the connecting rod, the inclined plane part of the U-shaped resistance increasing rod is downwards installed and extruded around the film winding rod to drive the U-shaped resistance increasing rod to move towards the direction close to the transverse stretching shell, the U-shaped resistance increasing rod generates resistance when rotating around the film winding rod through the acting force of the fourth spring, the film winding rod is tensioned, the film is always kept in a tight state.
Optionally, still including the lateral stretching dynamics extension mechanism that carries out even lateral stretching to the film, lateral stretching dynamics extension mechanism is including L shape support, the mount, fifth spring and even tensile subassembly, indulge and draw quick-witted top cap bottom intermediate junction to have L shape support, L shape support right side sliding connection has the mount, the mount slides from top to bottom in L shape support, around three fifth springs on the mount, the fifth spring both ends respectively with mount and L shape leg joint, the mount, concave type transmission group, install even tensile subassembly on film backup pad and the indulge and draw quick-witted top cap, concave type transmission group drives even tensile subassembly and carries out even lateral stretching to the film mid portion.
Optionally, the uniform stretching assembly comprises a second stretching roller, a third transmission group, a hexagonal block and guide rollers, six second stretching rollers are rotatably mounted on the lower portion of the fixing frame, the lengths of the six second stretching rollers are sequentially increased from the edge to the middle, the second stretching rollers uniformly and transversely stretch the film, the hexagonal block is mounted on the rear side of the left portion of the concave transmission group on the front side, the hexagonal block is mounted on the front side of the left portion of the concave transmission group on the rear side, two groups of guide rollers are symmetrically mounted between the left side of the top of the film supporting plate and the bottom of the top cover of the longitudinal stretcher in a front-back manner, two guide rollers are mounted on each group, a third transmission group is mounted between the three second stretching rollers on the front side and the concave transmission group on the front side, a third transmission group on the front side bypasses the two guide rollers on the front side, and a third transmission group on the rear side bypasses the two guide rollers on the rear side, the concave transmission group drives the hexagonal block and the third transmission group to rotate, the hexagonal block drives the fixing frame and the second stretching roller to move downwards to be close to the thin film, and the third transmission group drives the second stretching roller to uniformly and transversely stretch the thin film.
Compared with the prior art, the invention has the following advantages: 1. the supporting frames are designed in an inclined mode, the distance between the left sides of the two supporting frames is larger than that between the right sides of the two supporting frames, so that the convex transmission group and the concave transmission group move to continuously stretch the film transversely, the film is prevented from being broken due to the fact that the film is stretched directly in a line, the stretching range of the film is wide due to the design of the first stretching rollers, and the situation that the film is broken in the stretching process can be avoided to the greatest extent;
2. after the film passes through the clamping roller, the film firstly bypasses the control roller and then bypasses the first stretching roller, when the longitudinal stretching force is too large, the slide block can drive the control roller to move leftwards, the second spring is compressed, the effect of buffering acting force is achieved, and meanwhile, the effect of transverse stretching is prevented from being influenced by the too large longitudinal stretching force;
3. the U-shaped resistance-increasing rods can increase the resistance to the film winding rods, and the film is ensured to be always kept in a tight state during stretching;
4. the six second stretching rollers prevent the film from being pulled to be damaged because the acting force on the film in the transverse direction is not uniform enough.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the top cover of the longitudinal drawing machine of the present invention.
FIG. 3 is a schematic perspective view of the components of the transverse stretching housing, the film winding rod and the winding assembly of the present invention.
Fig. 4 is an enlarged schematic perspective view of the invention at a.
Fig. 5 is an exploded view of the winding assembly of the present invention.
Fig. 6 is a schematic perspective view of the longitudinal stretching mechanism of the present invention.
Fig. 7 is a schematic perspective view of the lateral stretching mechanism of the present invention.
Fig. 8 is a schematic perspective view of the concave transmission set, the convex transmission set and the supporting frame according to the present invention.
Fig. 9 is a schematic perspective view of the longitudinal tension control mechanism according to the present invention.
Fig. 10 is a schematic perspective view of the longitudinal stretching force positioning mechanism of the present invention.
FIG. 11 is an enlarged perspective view of the present invention at B.
Fig. 12 is a schematic perspective view of the resistance increasing mechanism of the present invention.
Fig. 13 is an exploded perspective view of the resistance increasing mechanism of the present invention.
Fig. 14 is a schematic perspective view of the lateral stretching force extension mechanism of the present invention.
Fig. 15 is a schematic perspective view of a first part of the lateral stretching force extension mechanism of the present invention.
Fig. 16 is a schematic perspective view of a second part of the lateral stretching force extension mechanism of the present invention.
The parts are labeled as follows: 1: transverse stretching of the housing, 11: longitudinal stretching shell, 12: top cover of longitudinal drawing machine, 2: film winding rod, 3: winding rod, 31: a sliding sleeve, 32: first spring, 33: rotating link, 34: auxiliary block, 4: grip roller, 5: longitudinal stretching mechanism, 51: first servo motor, 52: first belt drive group, 53: first stretching roller, 54: second belt drive group, 6: transverse stretching mechanism, 61: film support plate, 62: support frame, 63: concave transmission group, 64: convex transmission group, 65: second servo motor, 7: longitudinal stretching force control mechanism, 71: guide rail, 72: second spring, 73: slider, 74: control roller, 8: longitudinal stretching force positioning mechanism, 81: positioning plate, 82: positioning rod, 83: third spring, 9: resistance-increasing mechanism, 91: u-shaped resistance-increasing rod, 92: connecting rod, 93: fourth spring, 10: transverse stretching force extension mechanism, 101: l-shaped bracket, 102: mount, 103: fifth spring, 104: second stretching roller, 105: third transmission set, 106: hexagonal block, 107: and a guide roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A longitudinal drawing machine for a film biaxial stretching production line comprises a transverse stretching shell 1, a longitudinal stretching shell 11, a longitudinal drawing machine top cover 12, a film winding rod 2, a winding component, a clamping roller 4, a longitudinal stretching mechanism 5 and a transverse stretching mechanism 6, wherein the transverse stretching shell 1, the longitudinal stretching shell 11 and the longitudinal drawing machine top cover 12 are connected through bolts, the film winding rod 2 is placed on the right side of the transverse stretching shell 1, the film winding rod 2 is used for winding un-stretched films, the winding component is installed on the left side of the longitudinal stretching shell 11 and used for winding the stretched films, the two clamping rollers 4 are installed on the left side in the transverse stretching shell 1, the clamping rollers 4 are located on the left side of the film winding rod 2, the two clamping rollers 4 are matched for guiding and clamping the films, the longitudinal stretching mechanism 5 is installed on the right side in the longitudinal stretching shell 11, and the longitudinal stretching mechanism 5 is used for longitudinally stretching the films, the middle part in the transverse stretching shell 1 is connected with a transverse stretching mechanism 6, and the transverse stretching mechanism 6 is used for transversely stretching the film.
Referring to fig. 1-5, the winding assembly includes a winding rod 3, a sliding sleeve 31, a first spring 32, a rotating link 33 and an auxiliary block 34, the winding rod 3 is rotatably installed on the left side of the longitudinal stretching housing 11, the winding rod 3 is used for winding the stretched film, the rotating link 33 is rotatably connected to the front wall of the left side of the longitudinal stretching housing 11, the rotating link 33 penetrates through the front wall of the longitudinal stretching housing 11, the sliding sleeve 31 is slidably connected to the rear side of the rotating link 33, the sliding sleeve 31 is slidably connected to the longitudinal stretching housing 11, the auxiliary block 34 is connected to the front side of the sliding sleeve 31, the first spring 32 is connected between the auxiliary block 34 and the front wall of the longitudinal stretching housing 11, and the first spring 32 is wound on the sliding sleeve 31.
Referring to fig. 1-2 and 6, the longitudinal stretching mechanism 5 includes a first servo motor 51, a first belt transmission group 52, a first stretching roller 53 and a second belt transmission group 54, the first servo motor 51 is installed at the right side of the bottom in the longitudinal stretching housing 11, four first stretching rollers 53 are rotatably connected at the right side in the longitudinal stretching housing 11, the first belt transmission group 52 is installed between the three first stretching rollers 53 at the left side and the output shaft of the first servo motor 51, the first belt transmission group 52 includes four belt pulleys and a flat belt, the four belt pulleys are respectively installed on the three first stretching rollers 53 at the left side and the output shaft of the first servo motor 51, the flat belt is wound on the four belt pulleys, the second belt transmission group 54 is installed between the first stretching roller 53 at the leftmost side and the rotating link 33, the second belt transmission group 54 includes two belt pulleys and a flat belt, two pulleys are mounted on the leftmost first stretching roller 53 and the rotating link 33, respectively, and a flat belt is wound around the two pulleys.
Referring to fig. 2 and 7-8, the transverse stretching mechanism 6 comprises a film support plate 61, support frames 62, concave transmission groups 63, convex transmission groups 64 and a second servo motor 65, wherein the support frames 62 are respectively installed on the front and rear sides of the right part in the transverse stretching shell 1 through bolts, the support frames 62 are designed to be inclined, the distance between the left sides of the two support frames 62 is larger than that on the right side, the film support plate 61 is installed between the two support frames 62, the concave transmission groups 63 are installed on the upper parts of the support frames 62 on the front and rear sides close to the film support plate 61, the concave transmission groups 63 are composed of two transmission rotating shafts, two concave transmission wheels and a concave transmission belt, the two transmission rotating shafts are respectively installed on the left and right sides of the upper part of the support frames 62 in a rotating manner, the two concave transmission wheels are installed on the transmission rotating shafts, the concave transmission belts are wound on the two concave transmission wheels, the outer edges of the two concave transmission wheels are concaved towards the middle, the lower parts of the supporting frames 62 at the front and the rear sides, which are close to one side of the film supporting plate 61, are provided with convex transmission groups 64, each convex transmission group 64 consists of two transmission rotating shafts, two protruding type drive wheels and a protruding type drive belt constitute, two transmission pivot are installed in the 62 lower part left and right sides of support frame respectively the rotary type, two protruding type drive wheels are installed in the transmission pivot, protruding type drive belt is around on two protruding type drive wheels, two protruding type drive wheel outward flange are protruding to the centre, protruding type transmission group 64 and concave type transmission group 63 are mutually supported the chucking film edge and are transversely stretched the film, second servo motor 65 is all installed through the bolt to both sides around the right part in the transversely stretched shell 1, the second servo motor 65 output shaft of rear side passes through the coupling joint with the transmission pivot on the protruding type transmission group 64 right side in rear portion, the second servo motor 65 output shaft of front side passes through the coupling joint with the transmission pivot on the protruding type transmission group 64 right side in front portion.
When people need to stretch the film, firstly, the heated film to be stretched is wound on the film winding rod 2, then the film winding rod 2 is arranged on the transverse stretching shell 1, one end of the film is pulled, the edge of the film is pulled out from between the concave transmission group 63 and the convex transmission group 64, the film supporting plate 61 is positioned at the bottom of the film to support the film, then the film is pulled out from between the two clamping rollers 4, the film is wound on the four first stretching rollers 53 in a staggered winding mode, the end part of the film is wound on the winding rod 3, after the film is wound, people start the first servo motor 51 and the second servo motor 65, the output shaft of the second servo motor 65 rotates to drive the two convex transmission groups 64 to move, because the convex transmission group 64 is matched with the concave transmission group 63, the convex transmission group 64 can drive the concave transmission group 63 to move and gradually drive the film to move leftwards, because the supporting frames 62 are designed to be inclined, the distance between the left sides of the two supporting frames 62 is larger than the distance between the right sides of the two supporting frames 62, so that the convex transmission group 64 and the concave transmission group 63 continuously move to transversely stretch the film, the output shaft of the first servo motor 51 drives the first belt transmission group 52 to move, thereby driving the first stretching roller 53 to move, so that the first stretching roller 53 longitudinally stretches the film, meanwhile, the first stretching roller 53 on the left side drives the second belt transmission group 54 to move, thereby driving the rotating connecting rod 33 to rotate, and further driving the winding rod 3 to wind the film, thereby realizing the transverse and longitudinal bidirectional stretching of the film, after stretching is finished, people close the first servo motor 51 and the second servo motor 65, then stir the auxiliary block 34 to the front side, so that the first spring 32 is stretched, the auxiliary block 34 drives the sliding sleeve 31 to move forward, so that the sliding sleeve 31 is separated from the winding rod 3, the person pulls the winding rod 3 wound with the film upwards to take out the film, and then releases the auxiliary block 34, so that the first spring 32 drives the auxiliary block 34 and the sliding sleeve 31 to reset.
Example 2
On the basis of embodiment 1, referring to fig. 1-2 and 9, the stretching device further comprises a longitudinal stretching force control mechanism 7, wherein the longitudinal stretching force control mechanism 7 comprises a guide rail 71, a second spring 72, a slider 73 and a control roller 74, the guide rail 71 is symmetrically installed on the left side of the bottom in the transverse stretching shell 1 in a front-back manner, the two guide rails 71 are both connected with the slider 73 in a sliding manner, the control roller 74 is installed between the two sliders 73, the second spring 72 is wound on the left sides of the two guide rails 71, and two ends of the second spring 72 are respectively connected with the guide rail 71 and the slider 73.
In order to prevent the effect of transverse stretching from being affected by excessive longitudinal stretching force, after the film passes through the clamping roller 4, people firstly wind the film around the control roller 74 and then wind the film around the first stretching roller 53, when the longitudinal stretching force is excessive, the sliding block 73 can drive the control roller 74 to move leftwards, the second spring 72 is compressed to play a role of buffering acting force, and when the longitudinal stretching force is uniform, the second spring 72 can gradually reset to drive the sliding block 73 and the control roller 74 to move rightwards.
Referring to fig. 2 and fig. 10 to fig. 11, the stretching force positioning device further includes a longitudinal stretching force positioning mechanism 8, the longitudinal stretching force positioning mechanism 8 includes a positioning plate 81, a positioning rod 82 and a third spring 83, the positioning plate 81 is installed on the upper portion of each of the two guide rails 71, the positioning rods 82 are connected to the tops of the two sliding blocks 73 in a sliding manner, grooves matched with the positioning rods 82 are evenly formed in the bottoms of the positioning plates 81, and the third spring 83 is connected between the positioning rods 82 and the sliding blocks 73.
When the dynamics of longitudinal stretch film reached a definite value, locating lever 82 can the downstream for third spring 83 is compressed, and slider 73 can drive control roll 74 and locating lever 82 and move left this moment, and when the buffering of longitudinal stretch dynamics reached a certain degree, third spring 83 can reset the card on locating plate 81, and slider 73 no longer moves this moment.
Referring to fig. 1-2 and 12-13, the resistance increasing mechanism 9 is further included, the resistance increasing mechanism 9 includes a U-shaped resistance increasing rod 91, a connecting rod 92 and a fourth spring 93, the right portion of the transverse stretching shell 1 is connected with the connecting rod 92 in a front-back symmetrical sliding manner, the front side of the connecting rod 92 and the rear side of the connecting rod 92 are fixedly connected with the U-shaped resistance increasing rod 91, the fourth spring 93 is connected between the U-shaped resistance increasing rod 91 and the transverse stretching shell 1, the fourth spring 93 is wound on the connecting rod 92, the film winding rod 2 drives the U-shaped resistance increasing rod 91 to move in a direction close to the transverse stretching shell 1, the U-shaped resistance increasing rod 91 generates resistance to the film winding rod 2 through the acting force of the fourth spring 93, and the film is pulled tightly by the film winding rod 2.
People will wind the membrane pole 2 of winding of good film and install downwards on transversely stretching shell 1, it can contact with U-shaped resistance-increasing pole 91 at the in-process of transversely stretching shell 1 to wind membrane pole 2 installation card downwards, and drive U-shaped resistance-increasing pole 91 and remove to the direction of transversely stretching shell 1, make fourth spring 93 compressed, because fourth spring 93's reset action, make U-shaped resistance-increasing pole 91 have one to keep away from the power of transversely stretching shell 1, thereby increase the resistance to winding membrane pole 2, guarantee that the film remains the tight state of stretching all the time when tensile.
Referring to fig. 2 and 14-16, the stretching device further comprises a transverse stretching force extending mechanism 10, the transverse stretching force extending mechanism 10 comprises an L-shaped support 101, a fixed frame 102, a fifth spring 103, a second stretching roller 104, a third transmission group 105, a hexagonal block 106 and a guide roller 107, the L-shaped support 101 is connected to the middle of the inner top portion of the right side of the transverse stretching shell 1, the fixed frame 102 is connected to the right side of the L-shaped support 101 in a sliding manner, three fifth springs 103 are wound on the fixed frame 102, two ends of the fifth springs 103 are respectively connected with the fixed frame 102 and the L-shaped support 101, six second stretching rollers 104 are rotatably mounted on the lower portion of the fixed frame 102, the lengths of the six second stretching rollers 104 are sequentially increased from the edge to the middle, the hexagonal block 106 is mounted on the rear side of the transmission rotating shaft of the left portion in the front concave transmission group 63, the hexagonal block 106 is mounted on the front side of the transmission rotating shaft of the left portion in the rear concave transmission group 63, two groups of guide rollers 107 are symmetrically arranged between the left side of the top of the film supporting plate 61 and the inner top of the transverse stretching shell 1 in a front-back mode, two guide rollers 107 in each group are arranged, a third transmission group 105 is arranged between three second stretching rollers 104 on the front side and a concave transmission group 63 on the front side, a third transmission group 105 is also arranged between three second stretching rollers 104 on the rear side and a concave transmission group 63 on the rear side, the third transmission group 105 consists of four third transmission wheels and a transmission pull rope, the third transmission wheels are arranged on the three second stretching rollers 104 on the front side and a transmission rotating shaft on the left part in the concave transmission group 63 on the front side, the transmission pull rope winds around the two guide rollers 107 on the front side and winds around the four transmission wheels, the third transmission wheels are arranged on the three second stretching rollers 104 on the rear side and a transmission rotating shaft on the left part in the concave transmission group 63 on the rear side, and the transmission pull rope winds around the two guide rollers 107 on the rear side and winds around the four transmission wheels, the height of the center position of the concave transmission group 63 is higher than that of the second stretching rollers 104, and when the third transmission group 105 moves, the transmission pull rope in the third transmission group 105 can cling to the bottom of the second stretching rollers 104 to drive the three second stretching rollers 104 to rotate.
In order to prevent the film from being torn due to uneven transverse stretching force, when the concave transmission group 63 rotates to stretch the film transversely, the concave transmission group 63 drives the third transmission group 105 to rotate, so that the second stretching roller 104 rotates, meanwhile, the concave transmission group 63 drives the hexagonal block 106 to rotate, when the corner of the hexagonal block 106 is in contact with the fixing frame 102, the fixing frame 102 moves upwards, the fifth spring 103 is compressed, and when the corner of the hexagonal block 106 is out of contact with the fixing frame 102, the fifth spring 103 resets to drive the fixing frame 102 to move downwards to reset to be in contact with the film, so that the film is stretched transversely uniformly.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A longitudinal drawing machine for a film biaxial stretching production line comprises a transverse stretching shell (1), a longitudinal stretching shell (11) and a longitudinal drawing machine top cover (12), wherein the transverse stretching shell (1), the longitudinal stretching shell (11) and the longitudinal drawing machine top cover (12) are connected through bolts, and the longitudinal drawing machine top cover is characterized by further comprising a film winding rod (2), a winding assembly, a clamping roller (4), a longitudinal stretching mechanism (5) and a transverse stretching mechanism (6), the film winding rod (2) is placed on the right side of the transverse stretching shell (1), the winding assembly for winding a stretched film is installed on the left side of the longitudinal stretching shell (11), two clamping rollers (4) are installed on the left side in the transverse stretching shell (1), the clamping rollers (4) are located on the left side of the film winding rod (2), the two clamping rollers (4) are matched to guide and clamp the film, the longitudinal stretching mechanism (5) for longitudinally stretching the film is installed on the right side in the longitudinal stretching shell (11), the middle part in the transverse stretching shell (1) is connected with a transverse stretching mechanism (6) for transversely stretching the film, and the film enters the longitudinal stretching mechanism (5) for longitudinally stretching after being transversely stretched in the transverse stretching mechanism (6).
2. The longitudinal drawing machine for the film biaxial stretching production line according to claim 1, characterized in that the winding assembly comprises a winding rod (3), a sliding sleeve (31), a first spring (32), a rotating connecting rod (33) and an auxiliary block (34), the winding rod (3) for winding the stretched film is detachably mounted on the left side of the longitudinal stretching shell (11), the rotating connecting rod (33) is rotatably connected to the front wall of the left side of the longitudinal stretching shell (11), the rotating connecting rod (33) penetrates through the front wall of the longitudinal stretching shell (11), the sliding sleeve (31) is rotatably connected to the rear side of the rotating connecting rod (33), a plurality of wedge-shaped clamping blocks for clamping the winding rod (3) are uniformly arranged on the rear end surface of the sliding sleeve (31), the sliding sleeve (31) is slidably connected with the longitudinal stretching shell (11), the auxiliary block (34) is connected to the front side of the sliding sleeve (31), the first spring (32) is connected between the auxiliary block (34) and the front wall of the longitudinal stretching shell (11), the first spring (32) is wound on the sliding sleeve (31), the winding rod (3) is downwards provided with a wedge-shaped clamping block which extrudes the rear end face of the sliding sleeve (31) and drives the sliding sleeve (31) and the auxiliary block (34) to move forwards, the first spring (32) is stretched, the winding rod (3) is clamped in the sliding sleeve (31), and the first spring (32) resets and drives the sliding sleeve (31) to move backwards to clamp the winding rod (3).
3. The longitudinal drawing machine for the film biaxial stretching production line according to claim 2, characterized in that the longitudinal drawing mechanism (5) comprises a first servo motor (51), a first belt transmission set (52), a first drawing roller (53) and a second belt transmission set (54), the first servo motor (51) is installed on the right side of the bottom in the longitudinal drawing shell (11), four first drawing rollers (53) are rotatably connected on the right side in the longitudinal drawing shell (11), the three first drawing rollers (53) on the left side longitudinally draw the film, one first drawing roller (53) on the right side guides the film during drawing, the first belt transmission set (52) is installed between the three first drawing rollers (53) on the left side and the output shaft of the first servo motor (51), the second belt transmission set (54) is installed between the first drawing roller (53) on the leftmost side and the rotating connecting rod (33), a first servo motor (51) is started to drive a first belt transmission group (52) to rotate, the first belt transmission group (52) drives three first stretching rollers (53) on the left side to rotate to longitudinally stretch the film, the first stretching roller (53) on the leftmost side drives a second belt transmission group (54) to rotate, and the second belt transmission group (54) drives a winding rod (3) to automatically wind the stretched film through a rotating connecting rod (33).
4. The longitudinal drawing machine for the film biaxial stretching production line as claimed in claim 1, characterized in that the transverse drawing mechanism (6) comprises a film support plate (61), support frames (62), concave transmission groups (63), convex transmission groups (64) and a second servo motor (65), the support frames (62) are respectively installed on the front and rear sides of the right part in the transverse drawing shell (1) through bolts, the support frames (62) are designed to be inclined, the left-side interval of the two support frames (62) is greater than the right-side interval, the film support plate (61) is installed between the two support frames (62), the concave transmission groups (63) are respectively installed on the upper parts of the support frames (62) on the front and rear sides close to the film support plate (61), the convex transmission groups (64) are respectively installed on the lower parts of the support frames (62) on the front and rear sides close to the film support plate (61), the convex transmission groups (64) and the concave transmission groups (63) are mutually matched to clamp the film edge to transversely draw the film, second servo motors (65) are mounted on the front side and the rear side of the right portion in the transverse stretching shell (1) through bolts, the output shaft of the second servo motor (65) on the rear side is connected with the convex transmission group (64) on the rear side through a coupler, and the output shaft of the second servo motor (65) on the front side is connected with the convex transmission group (64) on the front side through a coupler.
5. The longitudinal drawing machine for the biaxial stretching production line of the film as claimed in claim 4, wherein the concave transmission group (63) is composed of two transmission shafts, two concave transmission wheels and a concave transmission belt, the outer edges of the two concave transmission wheels are recessed toward the middle, the two transmission shafts are respectively rotatably mounted on the left and right sides of the upper part of the support frame (62), the two concave transmission wheels are mounted on the transmission shafts, and the concave transmission belt is wound on the two concave transmission wheels; convex type transmission group (64) comprises two transmission pivot, two protruding type drive wheels and a protruding type driving belt, two protruding type drive wheel outward flange are protruding to the centre, two transmission pivot rotary type are installed respectively in support frame (62) lower part left and right sides, two protruding type drive wheels are installed in the transmission pivot, protruding type driving belt is around on two protruding type drive wheels, the film is fixed between concave type driving belt and protruding type driving belt, concave type driving belt carries out transverse stretching with the continuous transmission of protruding type driving belt to the film.
6. The longitudinal drawing machine for the film biaxial stretching production line as claimed in claim 1, characterized by further comprising a longitudinal stretching force control mechanism (7) for preventing the film from being stretched excessively, wherein the longitudinal stretching force control mechanism (7) comprises a guide rail (71), a second spring (72), a slide block (73) and a control roller (74), the guide rail (71) is symmetrically arranged at the front and back of the left side of the bottom in the transverse stretching shell (1), the slide blocks (73) are connected to the two guide rails (71) in a sliding manner, the control roller (74) for buffering the film stretching is arranged between the two slide blocks (73), the film bypasses the control roller (74), the second spring (72) is wound on the left sides of the two guide rails (71), two ends of the second spring (72) are respectively connected with the guide rail (71) and the slide block (73), and the control roller (74) is driven to move leftwards when the film is stretched excessively, the second spring (72) cushions the stretched film and prevents the film from being excessively stretched.
7. The longitudinal drawing machine for the film biaxial stretching production line according to claim 6, further comprising a longitudinal stretching force positioning mechanism (8) for accurately preventing the film from being overstretched, wherein the longitudinal stretching force positioning mechanism (8) comprises a positioning plate (81), locating lever (82) and third spring (83), locating plate (81) are all installed on two guide rail (71) upper portions, two slider (73) top all sliding type connection have locating lever (82), locating lever (82) slide from top to bottom in slider (73), evenly open locating plate (81) bottom have with locating lever (82) complex recess, be connected with third spring (83) between locating lever (82) and slider (73), slider (73) left side is moved and is driven locating lever (82) left side, the distance that locating plate (81) restriction slider (73) left side was moved, the accuracy prevents that the film from excessively stretching.
8. The longitudinal drawing machine for the film biaxial stretching production line as claimed in claim 1, characterized in that it further comprises a resistance-increasing mechanism (9) for ensuring that the film is always in a tight state, the resistance-increasing mechanism (9) comprises a U-shaped resistance-increasing rod (91), a connecting rod (92) and a fourth spring (93), the connecting rod (92) is connected to the right part of the transverse stretching shell (1) in a front-back symmetrical sliding manner, the connecting rod (92) slides back and forth in the transverse stretching shell (1), the U-shaped resistance-increasing rod (91) is fixedly connected to the front side of the connecting rod (92) and the rear side of the connecting rod (92) at the front side, the U-shaped resistance-increasing rod (91) is used for clamping the film winding rod (2), the left and right parts of one end face of the U-shaped resistance-increasing rod (91) far away from the transverse stretching shell (1) are inclined planes, the fourth spring (93) is connected between the U-shaped resistance-increasing rod (91) and the transverse stretching shell (1), fourth spring (93) are around on connecting rod (92), wind membrane pole (2) and install the inclined plane part that extrudees U-shaped resistance-increasing pole (91) downwards, drive U-shaped resistance-increasing pole (91) and toward the direction removal of being close to horizontal tensile shell (1), U-shaped resistance-increasing pole (91) produce the resistance when rotating around membrane pole (2) through the effort of fourth spring (93), pull tight film around membrane pole (2), guarantee that the film is in the tight state all the time.
9. The longitudinal drawing machine for the film biaxial stretching production line as claimed in claim 5, characterized in that it further comprises a transverse stretching force extension mechanism (10) for uniformly and transversely stretching the film, the transverse stretching force extension mechanism (10) comprises an L-shaped support (101), a fixed frame (102), a fifth spring (103) and a uniform stretching assembly, the middle of the bottom of the top cover (12) of the longitudinal drawing machine is connected with the L-shaped support (101), the right side of the L-shaped support (101) is slidably connected with the fixed frame (102), the fixed frame (102) slides up and down in the L-shaped support (101), three fifth springs (103) are wound on the fixed frame (102), two ends of the fifth springs (103) are respectively connected with the fixed frame (102) and the L-shaped support (101), the fixed frame (102), the concave transmission set (63), the film support plate (61) and the top cover (12) of the longitudinal drawing machine are provided with the uniform stretching assembly, the concave transmission group (63) drives the uniform stretching assembly to uniformly and transversely stretch the middle part of the film.
10. The longitudinal drawing machine for the film biaxial stretching production line according to claim 9, characterized in that the uniform stretching assembly comprises a second stretching roller (104), a third transmission group (105), hexagonal blocks (106) and guide rollers (107), six second stretching rollers (104) are rotatably mounted at the lower part of the fixing frame (102), the lengths of the six second stretching rollers (104) are sequentially increased from edge to middle, the second stretching rollers (104) uniformly and transversely stretch the film, the hexagonal blocks (106) are mounted at the rear side of the left part of the concave transmission group (63) at the front side, the hexagonal blocks (106) are mounted at the front side of the left part of the concave transmission group (63) at the rear side, two groups of guide rollers (107) are symmetrically mounted at the front and the rear between the left side of the top of the film supporting plate (61) and the bottom of the top cover (12) of the longitudinal drawing machine, each group of guide rollers (107) is two, the third transmission group (105) is mounted between the three second stretching rollers (104) at the front side and the concave transmission group (63) at the front side, also install third transmission group (105) between three second stretching roller (104) of rear side and the concave type transmission group (63) of rear side, two guide roll (107) of front side are walked around in the third transmission group (105) of front side, two guide roll (107) of rear side are walked around in the third transmission group (105) of rear side, concave type transmission group (63) drive hexagonal piece (106) and third transmission group (105) and rotate, hexagonal piece (106) drive mount (102) and second stretching roller (104) move down and are close to the film, third transmission group (105) drive second stretching roller (104) and carry out even transverse stretching to the film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210947538.8A CN115027043B (en) | 2022-08-09 | 2022-08-09 | Film biaxial stretching production line is with indulging machine of drawing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210947538.8A CN115027043B (en) | 2022-08-09 | 2022-08-09 | Film biaxial stretching production line is with indulging machine of drawing |
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| CN115027043B CN115027043B (en) | 2022-10-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116353039A (en) * | 2023-02-01 | 2023-06-30 | 鹤山运城新材料有限公司 | Manufacturing equipment and method for biaxially oriented nylon film |
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| CN115027043B (en) | 2022-10-25 |
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