CN217458185U

CN217458185U - Prevent that plastic bag from taking place blown film auxiliary assembly of fold

Info

Publication number: CN217458185U
Application number: CN202221428478.0U
Authority: CN
Inventors: 刘宁; 肖彪; 刘再友; 吴学斌
Original assignee: Weifang Baolong Plastic Packaging Co ltd
Current assignee: Weifang Baolong Plastic Packaging Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-09-20
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses a prevent that plastic bag from taking place blown film auxiliary assembly of fold relates to plastic bag processing technology field, including the base, set up in the inflation film manufacturing machine at base top, set up in the draw gear of inflation film manufacturing machine top and set up in the winding mechanism on inflation film manufacturing machine right side, winding mechanism installs in the base top, winding mechanism sets up the wind-up roll in the mount pad including setting up in the mount pad at base top and rotation, the wind-up roll passes through motor drive, be provided with straining device between wind-up roll and the draw gear output end near side. In the utility model, the plastic film is tensioned in a zigzag manner through the two contact parts in the tensioning mechanism, so that the phenomenon that the plastic film is folded due to insufficient tensioning force when being wound is avoided; meanwhile, two contact parts in the tensioning mechanism clean the plastic film with dust.

Description

Prevent that plastic bag from taking place blown film auxiliary assembly of fold

Technical Field

The utility model relates to a plastic bag processing technology field especially relates to a prevent that plastic bag from taking place blown film auxiliary assembly of fold.

Background

Plastic bags, which are bags made of plastic as a main raw material, are essential items in daily life of people and are often used for containing other items. The plastic bag is manufactured by a film blowing machine, and the film blowing machine is used for blowing plastic particles into a film after the plastic particles are heated and melted.

Inflation film manufacturing machine heats the raw materials into molten state and extrudes through extrusion mechanism, utilizes compressed air to blow off the membrane bubble, and the membrane bubble stretches the cooling in drive mechanism, makes the film, rolls through winding mechanism at last, discovers in actual production, when the rolling film, often can cause the phenomenon of film fold because the tensioning force is not enough.

Disclosure of Invention

The utility model aims at solving the problem of insufficiency in the prior art and providing a prevent that plastic bag from taking place blown film auxiliary assembly of fold.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a film blowing auxiliary device for preventing plastic bags from being wrinkled comprises a base, a film blowing machine arranged at the top of the base, a traction device arranged above the film blowing machine and a winding mechanism arranged on the right side of the film blowing machine, wherein the winding mechanism is arranged at the top of the base and comprises a mounting seat arranged at the top of the base and a winding roller rotatably arranged in the mounting seat, the winding roller is driven by a motor, and a tensioning mechanism is arranged between the winding roller and the side close to the output end of the traction device;

the tensioning mechanism comprises a back plate arranged in the inner wall of the mounting seat, two groups of guide wheel sets rotatably arranged at the left end and the right end of the back plate and a tensioning assembly positioned between the two groups of guide wheel sets, and the plastic film penetrates through the space between the two groups of guide wheel sets and the tensioning assembly;

the tensioning assembly comprises two tensioning seats arranged in the back plate, one tensioning seat is positioned at the upper left side, the other tensioning seat is positioned at the lower right side, the bottom of the upper left tensioning seat and the top of the lower right side are overlapped, a contact part contacted with the plastic film is detachably arranged at one end close to the two tensioning seats, a connecting seat is arranged at one end, deviating from each other, of the two tensioning seats, the connecting seat is connected with the back plate through a locking bolt group, threaded hole groups spirally combined with the locking bolt groups are formed in the back plate and the connecting seat, and the number of the threaded hole groups in the back plate is multiple;

the contact site is made for the sponge cloth, and transversal personally submits hemispherical, two the tensioning seat is close to the inside feed liquor pipe that inlays of one end of contact site, the one end and the contact site intercommunication of feed liquor pipe, another of feed liquor pipe is through hose and external confession liquid device intercommunication.

Furthermore, two one ends that the contact site deviates from each other all are connected with the positioning seat through the stereoplasm base, the top of positioning seat is provided with the grafting pipe of pegging graft with the feed liquor pipe.

Further, two the bottom plate is all installed to the one end bottom that the tensioning seat is close to each other, and shown contact site passes through the taper and connects the cover to be connected with the bottom plate, the bottom plate is kept away from to the less one end of taper connecting cover cross section, the cross section size of stereoplasm base is less than the cross section size of positioning seat, the less one end of taper connecting cover cross section is run through in the activity of stereoplasm base.

Furthermore, a blocking piece is arranged in one end, close to the insertion pipe, of the liquid inlet pipe, the blocking piece comprises a blocking seat arranged in the insertion pipe in a sliding mode and a sliding plate arranged in the blocking seat in a sliding mode, one end of the sliding plate is in contact with the end portion of the insertion pipe, the other end of the sliding plate is provided with a guide rod, the guide rod is connected with the inner wall of the guide seat in a sliding mode, the guide seat is arranged in the blocking seat, and a reset spring is arranged between the inner wall of the guide seat and the guide rod; rubber pads are arranged between the outer surface of the blocking seat and the inner wall of the liquid inlet pipe and between the surface of the sliding plate and the inner wall of the blocking seat.

Furthermore, a liquid inlet is formed in one end, away from the insertion pipe, of the blocking seat, a liquid passing groove is formed in the side wall of the blocking seat, and a sealing ring is embedded in the inner wall of one end, close to the insertion pipe, of the liquid passing groove.

Furthermore, the surface of one end, far away from the positioning seat, of the insertion pipe is provided with a rubber ring plugged into the inner wall of the sealing ring, a cotton thread is embedded in the insertion pipe, one end of the cotton thread is in contact with the contact part, and one end, far away from the positioning seat, of the insertion pipe is provided with a plurality of liquid passing ports.

Furthermore, the larger one end of taper connecting cover cross section is provided with connecting portion, stifled seat tip is provided with the locating plate of being connected with connecting portion, all be connected through a plurality of fixing bolt between connecting portion and the bottom plate and between locating plate and the connecting portion.

Further, two sets of direction wheelsets constitute by two longitudinal symmetry's runner, and the runner both ends all are connected with the backplate through the locating piece, through connecting bolt group fixed connection between locating piece and the backplate, all set up the screw group with connecting bolt group spiral combination in locating piece and the backplate, and the screw group in the backplate is a plurality of.

Compared with the prior art, the utility model discloses possess following beneficial effect:

in the utility model, the plastic film is tensioned in a zigzag manner through the two contact parts in the tensioning mechanism, so that the phenomenon that the plastic film is folded due to insufficient tensioning force when being wound is avoided; meanwhile, two contact parts in the tensioning mechanism clean the plastic film in dust.

Drawings

Fig. 1 is a schematic structural view of a film blowing auxiliary device for preventing a plastic bag from wrinkling, according to the present invention;

fig. 2 is a schematic structural view of a winding mechanism in the auxiliary film blowing device for preventing plastic bags from wrinkling;

fig. 3 is a schematic structural diagram of a tensioning mechanism in the auxiliary film blowing device for preventing the plastic bag from wrinkling provided by the present invention;

fig. 4 is a schematic structural diagram of a tensioning assembly in the auxiliary film blowing device for preventing the plastic bag from wrinkling according to the present invention;

FIG. 5 is a schematic view of the internal structure of a conical connection cover in the auxiliary film blowing device for preventing plastic bags from wrinkling;

fig. 6 is a schematic structural view of the contact part and the plug in the auxiliary film blowing device for preventing the plastic bag from wrinkling;

fig. 7 is a schematic structural view of a contact portion in the auxiliary film blowing device for preventing the plastic bag from wrinkling according to the present invention;

fig. 8 is a schematic structural view of a blocking member in the auxiliary film blowing device for preventing the plastic bag from wrinkling.

In the figure: 1. a base; 2. a film blowing machine; 3. a traction device; 4. a winding mechanism; 41. a mounting seat; 42. a wind-up roll; 5. a tensioning mechanism; 51. a back plate; 52. a guide wheel set; 53. a tension assembly; 531. a tensioning seat; 5311. a base plate; 532. a contact portion; 5321. a hard base; 5322. positioning seats; 5323. inserting a pipe; 5324. a tapered connection cap; 5325. a connecting portion; 5326. a rubber ring; 5327. cotton threads; 533. a connecting seat; 534. a liquid inlet pipe; 535. plugging pieces; 5351. plugging a seat; 5352. a slide plate; 5353. a guide bar; 5354. a guide seat; 5355. a seal ring; 5356. and (7) positioning the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-8, a film blowing auxiliary device for preventing plastic bags from wrinkling comprises a base 1, a film blowing machine 2 arranged on the top of the base 1, a traction device 3 arranged above the film blowing machine 2 and a winding mechanism 4 arranged on the right side of the film blowing machine 2, wherein the winding mechanism 4 is arranged on the top of the base 1, the winding mechanism 4 comprises a mounting seat 41 arranged on the top of the base 1 and a winding roller 42 rotatably arranged in the mounting seat 41, the winding roller 42 is driven by a motor, and a tensioning mechanism 5 is arranged between the winding roller 42 and the side close to the output end of the traction device 3;

the tensioning mechanism 5 comprises a back plate 51 arranged in the inner wall of the mounting seat 41, two groups of guide wheel sets 52 rotatably arranged at the left end and the right end of the back plate 51 and a tensioning assembly 53 positioned between the two groups of guide wheel sets 52, and a plastic film penetrates between the two groups of guide wheel sets 52 and the tensioning assembly 53;

the tensioning assembly 53 comprises two tensioning seats 531 arranged in the back plate 51, one tensioning seat 531 is positioned at the upper left, the other tensioning seat 531 is positioned at the lower right, the bottom of the upper left tensioning seat 531 is overlapped with the top of the lower right, contact parts 532 in contact with the plastic film are detachably arranged at one ends close to the two tensioning seats 531, connecting seats 533 are arranged at one ends, away from each other, of the two tensioning seats 531, the connecting seats 533 are connected with the back plate 51 through locking bolt groups, threaded hole groups screwed with the locking bolt groups are arranged in the back plate 51 and the connecting seats 533, and a plurality of threaded hole groups are arranged in the back plate 51;

the contact part 532 is made for the sponge cloth, and the cross section is hemispherical, and two tensioning seats 531 are equipped with feed liquor pipe 534 near the inside of the one end of contact part 532, and the one end and the contact part 532 intercommunication of feed liquor pipe 534, and another of feed liquor pipe 534 passes through the hose and feeds through with external confession liquid device.

Furthermore, the ends of the two contact parts 532 departing from each other are connected with a positioning seat 5322 through a hard base 5321, and an insertion pipe 5323 inserted into the liquid inlet pipe 534 is arranged at the top of the positioning seat 5322.

Furthermore, bottom plates 5311 are mounted at bottoms of ends, close to each other, of the two tensioning seats 531, the contact portion 532 is connected with the bottom plate 5311 through a conical connecting cover 5324, the end, with a smaller cross section, of the conical connecting cover 5324 is far away from the bottom plate 5311, the cross section of the hard base 5321 is smaller than that of the positioning seat 5322, and the hard base 5321 movably penetrates through the end, with a smaller cross section, of the conical connecting cover 5324.

Furthermore, a blocking piece 535 is installed in one end of the liquid inlet pipe 534 close to the plug pipe 5323, the blocking piece 535 comprises a blocking seat 5351 slidably installed in the plug pipe 5323 and a sliding plate 5352 slidably installed in the blocking seat 5351, one end of the sliding plate 5352 is in contact with the end of the plug pipe 5323, the other end is provided with a guide rod 5353, the guide rod 5353 is slidably connected with the inner wall of the guide seat 5354, the guide seat 5354 is installed in the blocking seat 5351, and a return spring is arranged between the inner wall of the guide seat 5354 and the guide rod 5353; rubber pads are arranged between the outer surface of the blocking seat 5351 and the inner wall of the liquid inlet pipe 534 and between the surface of the sliding plate 5352 and the inner wall of the blocking seat 5351.

Furthermore, a liquid inlet is arranged in one end of the blocking seat 5351 far away from the insertion pipe 5323, a liquid passing groove is arranged on the side wall of the blocking seat 5351, and a sealing ring 5355 is embedded in the inner wall of one end of the liquid passing groove close to the insertion pipe 5323.

Furthermore, a rubber ring 5326 inserted into the inner wall of the sealing ring 5355 is installed on the surface of one end of the insertion pipe 5323 away from the positioning seat 5322, a cotton thread 5327 is embedded in the insertion pipe 5323, one end of the cotton thread 5327 contacts with the contact portion 532, and a plurality of liquid passing ports are formed in one end of the insertion pipe 5323 away from the positioning seat 5322.

Furthermore, a connecting portion 5325 is disposed at one end of the conical connecting cover 5324 with a larger cross section, a positioning plate 5356 connected to the connecting portion 5325 is disposed at an end of the plug 5351, and the connecting portion 5325 and the bottom plate 5311 and the positioning plate 5356 and the connecting portion 5325 are connected by a plurality of fixing bolts.

Further, two sets of direction wheelsets 52 constitute by two longitudinal symmetry's runner, and the runner both ends all are connected with backplate 51 through the locating piece, through connecting bolt group fixed connection between locating piece and the backplate 51, all set up in locating piece and the backplate 51 with the screw group of connecting bolt group spiral, and the screw group in the backplate 51 is a plurality of.

The working principle is as follows: in actual use, a plastic film is blown out through the film blowing machine 2, then the plastic film blown out by the film blowing machine 2 is pulled by the traction device 3 to be cooled, and the cooled plastic film sequentially passes through the left guide wheel set 52, the tensioning assembly 53 and the right guide wheel set 52 and is finally wound on the winding roller 42;

the plastic film between the two groups of guide wheel sets 52 is tensioned in a zigzag manner through the contact parts 532, so that the phenomenon that the plastic film is wrinkled due to insufficient tensioning force during winding is avoided; the contact part 532 at the bottom of the upper left tensioning seat 531 is used for cleaning dust on the upper part of the plastic film, and the contact part 532 at the top of the lower right tensioning seat 531 is used for cleaning dust on the lower part of the plastic film;

as for the liquid supply work of the contact part 532, the external liquid supply device is started, cleaning liquid is introduced into the liquid inlet pipe 534 through the hose, then the cleaning liquid in the liquid inlet pipe 534 enters the blocking seat 5351 through the liquid inlet, then enters the plug pipe 5323 through the liquid passing groove and the liquid passing port to be in contact with cotton threads 5327 in the plug pipe 5323, and then the cleaning liquid flows into the contact part 532 along with the cotton threads 5327 to wet the contact part 532, so that the contact part 532 can clean the plastic film conveniently, and the external liquid supply device adopts the prior art capable of intermittently supplying liquid;

after a period of time, when the contact part 532 needs to be replaced, the plurality of fixing bolts are rotated to unlock the connecting part 5325 and the bottom plate 5311, then the conical connecting cover 5324 is taken down to unlock the conical connecting cover 5324 and the contact part 532, further, the contact part 532 is pulled to separate the insertion pipe 5323 from the blocking seat 5351 in the liquid inlet pipe 534, and then the return spring in the guide seat 5354 drives the guide rod 5353 to slide out, and further drives the sliding plate 5352 to slide, so that the lower part of the sliding plate 5352 is in contact with the sealing ring 5355, and the cleaning liquid in the liquid inlet pipe 534 is prevented from dropping;

taking a new contact part 532, inserting the insertion pipe 5323 on the contact part 532 into the plug 5351, further driving the sliding plate 5352 to move, driving the guide rod 5353 to slide, pressing the return spring in the guide seat 5354, separating the sliding plate 5352 from the sealing ring 5355, completing the communication between the contact part 532 and the liquid inlet pipe 534, further clamping the conical connecting cover 5324 with the contact part 532, and connecting the connecting part 5325 on the conical connecting cover 5324 with the bottom plate 5311 through a fixing bolt, completing the replacement of the contact part 532.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The film blowing auxiliary equipment for preventing plastic bags from being wrinkled is characterized by comprising a base (1), a film blowing machine (2) arranged at the top of the base (1), a traction device (3) arranged above the film blowing machine (2) and a winding mechanism (4) arranged on the right side of the film blowing machine (2), wherein the winding mechanism (4) is arranged at the top of the base (1), the winding mechanism (4) comprises a mounting seat (41) arranged at the top of the base (1) and a winding roller (42) rotatably arranged in the mounting seat (41), the winding roller (42) is driven by a motor, and a tensioning mechanism (5) is arranged between the winding roller (42) and the near side of the output end of the traction device (3);

the tensioning mechanism (5) comprises a back plate (51) arranged in the inner wall of the mounting seat (41), two groups of guide wheel sets (52) rotatably arranged at the left end and the right end of the back plate (51) and a tensioning assembly (53) positioned between the two groups of guide wheel sets (52) close to one another, and a plastic film penetrates between the two groups of guide wheel sets (52) and the tensioning assembly (53);

the tensioning assembly (53) comprises two tensioning seats (531) arranged in a back plate (51), one tensioning seat (531) is located at the upper left side, the other tensioning seat (531) is located at the lower right side, the bottom of the upper left tensioning seat (531) and the top of the lower right side are overlapped, one end, close to the tensioning seats (531), of each tensioning seat (531) is detachably provided with a contact part (532) in contact with a plastic film, one end, away from each other, of each tensioning seat (531) is provided with a connecting seat (533), each connecting seat (533) is connected with the back plate (51) through a locking bolt group, threaded hole groups screwed with locking bolts are formed in the back plate (51) and the connecting seats (533), and the threaded hole groups in the back plate (51) are multiple;

contact site (532) are made for the sponge cloth, and transversal personally submit hemispherical, two tensioning seat (531) are close to the inside feed liquor pipe (534) that inlays of one end of contact site (532), the one end and the contact site (532) intercommunication of feed liquor pipe (534), another of feed liquor pipe (534) is through hose and external confession liquid device intercommunication.

2. The auxiliary film blowing equipment for preventing the plastic bag from being wrinkled as claimed in claim 1, wherein one end of each of the two contact parts (532) which are away from each other is connected with a positioning seat (5322) through a hard base (5321), and the top of the positioning seat (5322) is provided with an insertion pipe (5323) inserted with the liquid inlet pipe (534).

3. The auxiliary device for blowing the film for preventing the plastic bag from being wrinkled according to claim 2, wherein the bottom plates (5311) are respectively installed at the bottoms of the two mutually close ends of the tensioning seats (531), the contact part (532) is connected with the bottom plate (5311) through a conical connecting cover (5324), the end, with the smaller cross section, of the conical connecting cover (5324) is far away from the bottom plate (5311), the cross section size of the hard base (5321) is smaller than that of the positioning seat (5322), and the hard base (5321) movably penetrates through the end, with the smaller cross section, of the conical connecting cover (5324).

4. The auxiliary film blowing equipment for preventing the plastic bag from being wrinkled as claimed in claim 3, wherein a blocking piece (535) is installed in one end of the liquid inlet pipe (534) close to the insertion pipe (5323), the blocking piece (535) comprises a blocking seat (5351) slidably arranged in the insertion pipe (5323) and a sliding plate (5352) slidably arranged in the blocking seat (5351), one end of the sliding plate (5352) is in contact with the end of the insertion pipe (5323), the other end of the sliding plate is provided with a guide rod (5353), the guide rod (5353) is in sliding connection with the inner wall of the guide seat (5354), the guide seat (5354) is installed in the blocking seat (5351), and a return spring is arranged between the inner wall of the guide seat (5354) and the guide rod (5353); rubber pads are arranged between the outer surface of the blocking seat (5351) and the inner wall of the liquid inlet pipe (534) and between the surface of the sliding plate (5352) and the inner wall of the blocking seat (5351).

5. The auxiliary film blowing equipment for preventing the plastic bag from wrinkling as claimed in claim 4, wherein a liquid inlet is formed in one end of the blocking seat (5351) away from the insertion pipe (5323), a liquid passing groove is formed in a side wall of the blocking seat (5351), and a sealing ring (5355) is embedded in an inner wall of one end of the liquid passing groove close to the insertion pipe (5323).

6. The film blowing auxiliary equipment for preventing the plastic bag from being wrinkled according to claim 5, wherein a rubber ring (5326) stuffed into the inner wall of the sealing ring (5355) is installed on the surface of one end of the inserting pipe (5323) far away from the positioning seat (5322), a cotton thread (5327) is embedded in the inserting pipe (5323), one end of the cotton thread (5327) is in contact with the contact part (532), and one end of the inserting pipe (5323) far away from the positioning seat (5322) is provided with a plurality of liquid passing ports.

7. The auxiliary device for blowing the film for preventing the plastic bag from being wrinkled according to claim 6, wherein the end with the larger cross section of the conical connecting cover (5324) is provided with a connecting part (5325), the end part of the blocking seat (5351) is provided with a positioning plate (5356) connected with the connecting part (5325), and the connecting part (5325) and the bottom plate (5311) and the positioning plate (5356) and the connecting part (5325) are connected through a plurality of fixing bolts.

8. The auxiliary film blowing equipment for preventing the plastic bag from wrinkling as claimed in claim 1, wherein two sets of guide wheel sets (52) are composed of two rotating wheels which are symmetrical up and down, and both ends of each rotating wheel are connected with the back plate (51) through a positioning block, the positioning block is fixedly connected with the back plate (51) through a connecting bolt set, screw hole sets which are screwed with the connecting bolts are respectively arranged in the positioning block and the back plate (51), and the number of screw holes in the back plate (51) is multiple.