CN214354146U

CN214354146U - Film blowing foam stabilizing frame with adjustable diameter

Info

Publication number: CN214354146U
Application number: CN202023348254.2U
Authority: CN
Inventors: 陶锁法; 周歆玥
Original assignee: Changzhou Liangcai Plastic Products Co ltd
Current assignee: Changzhou Liangcai Plastic Products Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-08
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a stable bubble frame of blown film with adjustable diameter relates to the field of blown film equipment technique, including supplying the annular mount that the film body wore to establish, be equipped with on the annular mount and supply the gliding support piece of film body, support piece and film barrel surface butt, fixedly connected with is used for driving the gliding telescopic link of support piece on the annular mount, the flexible direction perpendicular to annular mount's of extensible member axis. This application is through adjusting the extensible member, and then adjusts the internal diameter size of steady bubble frame to this size that adapts to different film barrel diameters, so that process the plastic bag of more different film barrel footpaths on same platform machine, practice thrift the cost, production efficiency is high.

Description

Film blowing foam stabilizing frame with adjustable diameter

Technical Field

The application relates to the technical field of film blowing equipment, in particular to a film blowing bubble stabilizing frame with adjustable diameter.

Background

The film blowing machine is a device for heating and melting plastic particles and then blowing the plastic particles into a film, the material which can be processed by the film blowing machine is various, and the material mainly comprises PE, PVC, POF and the like, the process comprises the steps of filtering the molten plastic by a film blowing machine head to remove impurities, discharging the plastic from a die head die orifice, cooling and blowing the plastic by an air ring, and finally preparing the plastic bag of the finished film by a foam stabilizing frame, a herringbone plate, a traction roller, a coiling mechanism and a cutting mechanism.

The foam stabilizing frame generally comprises an annular fixed frame provided with a plurality of stabilizing rollers, the installation direction of a rotating shaft of each stabilizing roller is horizontal, and the radial distances between each stabilizing roller and the central axis of the annular fixed frame are equal; the stabilizing rollers of the foam stabilizing frame are arranged into an upper layer and a lower layer, and each stabilizing roller of each layer forms a circle. Each stabilizing roller is evenly arranged along the circumferential direction of the film bubble, each stabilizing roller is located at the tangent line position of a certain circle, the diameter of the circle is the inner diameter of the bubble stabilizing frame, the bubble stabilizing frame can limit the diameter of the blown film tube, and the consistency of the diameter of the film tube is ensured.

However, in the actual use process, the sizes of the film plastic bags are different, the diameters of the blown film cylinders are also different, the foam stabilizing frame cannot be adjusted according to the size of the film cylinder, one foam stabilizing frame only corresponds to one film cylinder diameter, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that steady bubble frame centre gripping diameter can't be adjusted according to film section of thick bamboo footpath size, this application provides a blown film steady bubble frame with adjustable diameter.

The application provides a blown film steady bubble frame with adjustable diameter adopts following technical scheme:

the utility model provides a steady bubble frame of blown film with adjustable diameter, is including supplying the annular mount that the film body wore to establish, be equipped with on the annular mount and supply the gliding support piece of film body, support piece and film barrel surface butt, fixedly connected with is used for driving the gliding extensible member of support piece on the annular mount, the axis of the flexible direction perpendicular to annular mount of extensible member.

Through adopting above-mentioned technical scheme, a plurality of extensible members of fixedly connected with on the annular mount, the flexible direction perpendicular to annular mount's of extensible member axis, fixedly connected with support piece on the extensible member, support piece and film barrel butt, support piece play the supporting role to the film barrel, can adjust the distance between support piece and the annular mount through the extensible member, and then adapt to the section of thick bamboo footpath variation of different film barrels, convenient operation, production efficiency is high.

Optionally, the telescopic part comprises a first barrel, a first rod is connected in the first barrel in a sliding manner, one end, far away from the first barrel, of the first rod is fixedly connected with the annular fixing frame, one end, far away from the first rod, of the first barrel is fixedly connected with the supporting piece, and a push-pull mechanism used for driving the first barrel to slide is arranged on the side face of the first barrel.

Through adopting above-mentioned technical scheme, first barrel and first body of rod sliding connection, the first barrel of push-and-pull mechanism drive slides on the first body of rod, and then adjusts the distance between first barrel and the first body of rod, slides steadily easy operation.

Optionally, the push-pull mechanism includes a slider fixedly connected to the first barrel, a lead screw is connected to the slider in a threaded manner, and a driving member for driving the lead screw to rotate is arranged at one end of the lead screw, which is far away from the slider.

Through adopting above-mentioned technical scheme, the slider threaded connection of lead screw and first barrel side, driving piece drive lead screw rotate, drive first barrel and slide along the first body of rod, and the lead screw has self-locking function, can effectively fix the position after first barrel and the first body of rod slip in real time.

Optionally, the driving part comprises a first bevel gear detachably connected with the screw rod, a second bevel gear engaged with the first bevel gear is rotatably connected to the annular fixing frame, and a limiting part for fixing the first bevel gear is arranged on the screw rod.

Through adopting above-mentioned technical scheme, first bevel gear and second bevel gear meshing transmission, the transmission is steady, and locating part on the lead screw can be fixed and dismantle first bevel gear, accomplishes dismantling of first bevel gear and lead screw and is connected.

Optionally, the locating part includes the thread groove of establishing along lead screw length direction, threaded connection has first screw rod on the thread groove, first screw rod tip is equipped with first lug, the lead screw side is equipped with the recess with the thread groove intercommunication, sliding connection has the elastic pin in the recess, the elastic pin bottom surface of telling is equipped with the first inclined plane with first lug butt, and first screw rod one end and first bevel gear inner wall butt are kept away from to the elastic pin.

Through adopting above-mentioned technical scheme, first lug on the first screw rod and elastic pin butt realize the rising and the decline of elastic pin, accomplish supporting tightly and loosening of first bevel gear, first screw rod and thread groove threaded connection realize the auto-lock of first screw rod, and the first lug of being convenient for on the first lug supports the elastic pin better.

Optionally, the first rod body is provided with scale marks for displaying the distance.

Through adopting above-mentioned technical scheme, be equipped with the scale mark that shows the distance on the first body of rod, the staff of being convenient for adjusts the sliding distance of first barrel on the first body of rod according to the section of thick bamboo footpath size precision of film barrel, and then adjusts the distance between each support piece to the film barrel accurately, and the degree of accuracy is high.

Optionally, the support piece includes the support frame with first barrel fixed connection, can dismantle on the support frame and be connected with a plurality of parallel arrangement's bracing piece, it is connected with the rotary drum to rotate on the bracing piece, the rotary drum is tangent with the film barrel.

Through adopting above-mentioned technical scheme, can dismantle on the support frame and be connected with a plurality of bracing pieces, parallel arrangement between each bracing piece rotates on the bracing piece and is connected with the rotary drum tangent with the film barrel, and the frictional force between film barrel and the bracing piece that the rotary drum can significantly reduce improves the translation rate of film barrel.

Optionally, the support frame is provided with a plurality of threaded through holes along the vertical direction, and the support rod is in threaded connection with the threaded through holes.

Through adopting above-mentioned technical scheme, the vertical a plurality of screw thread through-holes that are provided with on the support frame, the external screw thread and the screw thread through-hole threaded connection of bracing piece tip, the bracing piece of being convenient for on the one hand is dismantled and is changed, and on the other hand can also select the quantity of using the bracing piece according to film barrel straightway length, and the adaptation occasion is wide.

Optionally, the rotating drums on adjacent support frames are staggered.

Through adopting above-mentioned technical scheme, the rotary drum staggered arrangement on the adjacent support frame, the tangent rotary drum in film barrel surface arranges more evenly, prevents stress concentration, reduces the danger that the fold appears at the blown film in-process in the film barrel.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the distance between the supporting piece and the annular fixing frame can be adjusted through the telescopic piece, so that the change of the cylinder diameters of different film cylinder bodies is adapted, the operation is convenient, and the production efficiency is high;

2. the supporting frame is detachably connected with the supporting rods, so that the supporting rods are convenient to detach and replace, and the number of the supporting rods can be selected according to the length of the straight line section of the film cylinder;

3. through the meshing transmission of first bevel gear and second bevel gear, realize the synchronous shrink and the extension of extensible member, the film barrel is kept away from or to the synchronous butt of bracing piece, uses manpower sparingly, and production efficiency is high.

Drawings

FIG. 1 is a main body diagram of a bubble stabilizing frame with adjustable diameter for blown film.

FIG. 2 is a top view of a bubble stabilizing frame with adjustable diameter.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is a partially enlarged view of B in fig. 3.

Fig. 5 is an exploded view of the support member.

Fig. 6 is a partially enlarged view of C in fig. 5.

Description of reference numerals: 1. an annular fixing frame; 2. a film cylinder; 3. a telescoping member; 31. a first cylinder; 32. a first rod body; 321. scale lines; 33. a push-pull mechanism; 331. a slider; 332. a screw rod; 34. a drive member; 341. a first bevel gear; 342. a second bevel gear; 35. a limiting member; 351. a thread groove; 352. a first screw; 353. a first bump; 354. a groove; 355. an elastic pin; 356. a first inclined plane; 4. a support member; 41. a support frame; 411. a threaded through hole; 42. a support bar; 43. a rotating drum; 5. a die opening; 6. and (4) an air ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses blown film bubble stabilizing frame with adjustable diameter. Referring to fig. 1, a steady bubble frame of blown film with adjustable diameter is including wearing to be equipped with annular mount 1 of film barrel 2, 1 welding of annular mount is on the inflation film manufacturing machine support, plastics after the melting pass through inflation film manufacturing machine die orifice 5 after the inflation, under the cooling effect of wind ring 6, form the unchangeable film barrel 2 behind the earlier grow of film barrel footpath, film barrel 2 runs through annular mount 1, the straightway of film barrel 2 is located annular mount 1, six extensible member 3 of fixedly connected with on the annular mount 1, the flexible direction of every extensible member 3 all with annular mount 1's axis mutually perpendicular, 1 one end fixedly connected with of annular mount is kept away from to extensible member 3 and is used for supplying the gliding support piece 4 of film barrel 2, six support piece 4 evenly arrange on film barrel 2 surfaces, and with 2 surperficial butts of film barrel.

In order to solve the problem that the clamping diameter of the foam stabilizing frame cannot be adjusted according to the diameter of a film cylinder, in the working process, a film cylinder 2 which is blown and cooled vertically penetrates through an annular fixing frame 1 upwards, the film cylinder continues to move upwards under the traction of a traction roller, when the diameter of the film cylinder 2 changes, a telescopic piece 3 is driven to stretch and retract along the direction perpendicular to the axis of the annular fixing frame 1, the distance between a support piece 4 and the annular fixing frame 1 is adjusted through the telescopic piece 3, when the support piece 4 abuts against the surface of the film cylinder 2 after the diameter of the film cylinder changes, the telescopic piece 3 is stopped being driven, at the moment, the six support pieces 4 are uniformly abutted against the outer surface of the film cylinder 2, the six support pieces 4 form a clamping circular outline of the foam stabilizing frame on the same horizontal plane, the action that the clamping diameter of the foam stabilizing frame is adjusted according to the diameter of the film cylinder is finally completed, the operation is simple, and the clamping stability is strong.

Referring to fig. 2 and 5, the supporting member 4 includes a supporting frame 41 vertically disposed, six threaded through holes 411 are provided on the supporting frame 41, three supporting rods 42 perpendicular to the supporting frame 41 are selectively threadedly connected to the threaded through holes 411, the supporting rods 42 are parallel to each other, a rotating drum 43 tangent to the outer surface of the film cylinder 2 is rotatably connected to each supporting rod 42, the extensible member 3 includes a first cylinder 31, the first cylinder 31 is fixedly connected to the supporting frame 41 and perpendicular to the supporting frame 41, one end of the first cylinder 31, which is far away from the supporting frame 41, is slidably connected to a first rod 32, one end of the first cylinder 31, which is far away from the first rod 32, is fixedly connected to the annular fixing frame 1, and a push-pull mechanism 33 for driving the first cylinder 31 to slide is provided on the side of the first cylinder 31.

In order to solve the problem that the film cylinder 2 is unevenly arranged to lead to wrinkles because of the supporting rods 42, in operation, the push-pull mechanism 33 drives the first cylinder 31 to slide along the first rod 32, the first cylinder 31 is far away from the end fixedly connected with supporting frame 41 of the first rod 32, the sliding process of the first cylinder 31 can drive the supporting frame 41 to move away from or close to the film cylinder 2, the supporting frame 41 is provided with three supporting rods 42 which are arranged in parallel in a threaded manner, the supporting frame 41 is provided with six threaded through holes 411 which can be used for the supporting rods 42 to be connected in a threaded manner, the number of the threaded through holes 411 is larger than that of the supporting rods 42, the supporting rods 42 on the adjacent supporting frames 41 are conveniently arranged in a staggered manner, the supporting rods 42 which are tangent to the surface of the film cylinder 2 are evenly arranged, stress concentration is reduced, the risk of wrinkles appearing on the film cylinder 2 is prevented, and the product yield and the production efficiency are greatly improved.

Referring to fig. 3 and 4, a first bevel gear 341 is detachably connected to the screw rod 332, a second bevel gear 342 engaged with the first bevel gear 341 is rotatably connected to the annular fixing frame 1, a limiting member 35 for fixing the first bevel gear 341 is disposed on the screw rod 332, the limiting member 35 includes a screw groove 351 disposed along the length direction of the screw rod 332, a first screw rod 352 is threadedly connected to the screw groove 351, a first protrusion 353 is fixedly connected to an end of the first screw rod 352, a groove 354 communicated with the screw groove 351 is formed in a side surface of the screw rod 332, an elastic pin 355 is slidably connected to the groove 354, a spring on the elastic pin 355 abuts against the groove 354, a first inclined surface 356 abutting against the first protrusion 353 is disposed on a bottom surface of the elastic pin 355, and one end of the elastic pin 355, which is far away from the first screw rod 352, abuts against an inner wall of the first bevel gear 341.

In order to enable the six support frames 41 to synchronously move to complete clamping of the film cylinder 2, during work, the first screw 352 is rotated, the first bump 353 on the first screw 352 is abutted to the first inclined surface 356 on the elastic pin 355, the elastic pin 355 continuously moves upwards along with continuous penetration of the first bump 353, the first bevel gear 341 is abutted tightly, the first bevel gear 341 is fixed by means of self-locking of the first screw 352 and the thread groove 351, the first bevel gear 341 is meshed with the second bevel gear 342, so that one first bevel gear 341 rotates to drive the second bevel gear 342 to transmit, and the second bevel gear 342 drives other first bevel gears 341 to rotate, so that the six support frames 41 synchronously move, labor is saved, and working efficiency is improved; when the six support frames 41 do not need to rotate synchronously, the first screw 352 is rotated, the elastic pin 355 moves downwards under the extension of the spring, the first bevel gear 341 is loosened, and the loosening work of the first bevel gear 341 is completed.

Referring to fig. 5 and 6, the push-pull mechanism 33 includes a sliding block 331 fixedly connected to the first barrel 31, the sliding block 331 is connected to a screw rod 332 through a thread, the screw rod 332 is parallel to the first barrel 31, one end of the screw rod 332 away from the supporting frame 41 is rotatably connected to a hand wheel, a scale mark 321 for displaying a distance is engraved on the first rod 32 slidably connected to the first barrel 31, and a user can conveniently determine a specific sliding distance of the first barrel 31 according to the scale mark 321.

For the steady bubble frame centre gripping diameter size of accurate control, in operation, the hand wheel is rotated, the hand wheel drives lead screw 332 and rotates, lead screw 332 and slider 331 threaded connection, slider 331 moves along lead screw 332, slider 331 drives first barrel 31 and slides on first body of rod 32, mark down the scale mark 321 position on the first body of rod 32 when sliding begins, mark down the scale mark 321 position again after sliding ends, twice scale mark 321 position difference is the gliding total distance of first barrel 31, scale mark 321 equidistance is divided, be favorable to reading out the distance that first barrel 31 removed fast on the one hand, on the other hand also can be convenient for provide the reference for other support frame 41 displacement.

The implementation principle of the film blowing and bubble stabilizing frame with the adjustable diameter in the embodiment of the application is as follows: the melted plastic is blown by a film blowing machine and then passes through a film blowing machine die orifice 5, and under the cooling forming action of an air ring 6, a film cylinder body 2 with the film cylinder diameter being changed after being increased is formed, the film cylinder body 2 vertically and upwards penetrates through an annular fixing frame 1, a traction roller pulls the film cylinder body 2 to continuously move upwards, and a straight line section of the film cylinder body 2 is positioned in the annular fixing frame 1;

when the cylinder diameter of the film cylinder 2 is reduced, three support rods 42 are matched and connected with the threaded through holes 411 on the support frame 41, the support rods 42 on the same support frame 41 are fixed on the support frame 41 after being screwed, the support rods 42 on the same support frame 41 are parallel to each other and are positioned on the same plane, a hand wheel is rotated to drive the screw rod 332 to rotate, the slide block 331 moves towards the film cylinder 2 under the rotation of the screw rod 332, the first cylinder 31 slides towards the film cylinder 2 along the first rod body 32 under the driving of the slide block 331, the support frame 41 fixedly connected with the first cylinder 31 also synchronously moves towards the film cylinder 2, scale marks 321 for displaying the distance are engraved on the first rod body 32, the moving distance of each support frame 41 can be clearly known, when the distance is moved to the distance matched with the cylinder diameter of the film cylinder 2, the rotation of the hand wheel is stopped, the self-locking performance of the screw rod 332 can prevent the slide block 331 from rotating, and the positions of the other five support frames 41 are sequentially adjusted according to the same steps, finally, the clamping diameter of the foam stabilizing frame is adjusted, the operation is simple, the adjustment precision is high, and the clamping stability is high.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a steady bubble frame of blown film with adjustable diameter, includes annular mount (1) that supplies the film body to wear to establish, its characterized in that: be equipped with on annular mount (1) and supply gliding support piece (4) of film body, support piece (4) and film barrel (2) surface butt, fixedly connected with is used for driving gliding extensible member (3) of support piece (4) on annular mount (1), the axis of the flexible direction perpendicular to annular mount (1) of extensible member (3).

2. The film blowing bubble stabilizing frame with the adjustable diameter of claim 1, wherein: the telescopic piece (3) comprises a first barrel body (31), a first rod body (32) is connected to the first barrel body (31) in a sliding mode, one end, far away from the first barrel body (31), of the first rod body (32) is connected with the annular fixing frame (1), one end, far away from the first rod body (32), of the first barrel body (31) is fixedly connected with the supporting piece (4), and a push-pull mechanism (33) used for driving the first barrel body (31) to slide is arranged on the side face of the first barrel body (31).

3. The film blowing bubble stabilizing frame with the adjustable diameter of claim 2, wherein: the push-pull mechanism (33) comprises a sliding block (331) fixedly connected with the first barrel (31), a screw rod (332) is connected to the sliding block (331) in a threaded mode, and a driving piece (34) for driving the screw rod (332) to rotate is arranged at one end, far away from the sliding block (331), of the screw rod (332).

4. The film blowing bubble stabilizing frame with the adjustable diameter of claim 3, wherein: the driving piece (34) comprises a first bevel gear (341) detachably connected with a screw rod (332), a second bevel gear (342) meshed with the first bevel gear (341) is rotatably connected to the annular fixing frame (1), and a limiting piece (35) for fixing the first bevel gear (341) is arranged on the screw rod (332).

5. The film blowing bubble stabilizing frame with the adjustable diameter of claim 4, wherein: the limiting piece (35) comprises a thread groove (351) formed in the length direction of the screw rod (332), a first screw rod (352) is connected to the thread groove (351) in a threaded mode, a first protruding block (353) is arranged at the end portion of the first screw rod (352), a groove (354) communicated with the thread groove (351) is formed in the side face of the screw rod (332), an elastic pin (355) is connected to the groove (354) in a sliding mode, a first inclined plane (356) abutted to the first protruding block (353) is arranged on the bottom face of the elastic pin (355), and one end, far away from the first screw rod (352), of the elastic pin (355) is abutted to the inner wall of the first bevel gear (341).

6. The film blowing bubble stabilizing frame with the adjustable diameter of claim 2, wherein: and the first rod body (32) is provided with scale marks (321) for displaying distance.

7. The film blowing bubble stabilizing frame with the adjustable diameter of claim 1, wherein: support piece (4) including with first barrel (31) fixed connection's support frame (41), can dismantle on support frame (41) and be connected with a plurality of parallel arrangement's bracing piece (42), it is connected with rotary drum (43) to rotate on bracing piece (42), rotary drum (43) are tangent with film barrel (2).

8. The film blowing bubble stabilizing frame with the adjustable diameter of claim 7, wherein: the support frame (41) is provided with a plurality of threaded through holes (411) in the vertical direction, and the support rod (42) is in threaded connection with the threaded through holes (411).

9. The film blowing bubble stabilizing frame with the adjustable diameter of claim 8, wherein: the rotary drums (43) on the adjacent support frames (41) are arranged in a staggered mode.