CN214522308U

CN214522308U - Environment-friendly PE membrane is with cutting limit self-adjusting system bag machine

Info

Publication number: CN214522308U
Application number: CN202120816217.5U
Authority: CN
Inventors: 顾建龙; 顾海萍
Original assignee: Changzhou Shunlong Hongyuan Packing Co ltd
Current assignee: Changzhou Shunlong Hongyuan Technology Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-10-29
Anticipated expiration: 2031-04-19

Abstract

The utility model relates to an environmental protection PE membrane is with cutting limit self-adjusting system bag machine belongs to the field of system bag machine technique, and it includes the frame, rotates in the frame and is provided with a plurality of unwinding rollers and is located the tensioning roller between the unwinding roller, and the unwinding roller that is located the tensioning roller and keeps away from heat-seal and cutting area is the transfer roller, is provided with the adjusting device that the control transfer roller goes up and down in the frame, just is located the tensioning roller in the frame and is provided with the spacing actuating mechanism who is used for driving the adjusting device operation under. PE membrane is in the heat-seal or when tailorring, when the PE membrane lasts the conveying because inertia, because the setting of tensioning roller, after the PE membrane is lax, the holding power to the tensioning roller will reduce, the tensioning roller will descend through the dead weight, when the tensioning roller descends to spacing actuating mechanism, spacing actuating mechanism drive adjusting device to can rise through adjusting device drive transfer roller, continue to carry out the tensioning to the PE membrane, thereby make the PE membrane be difficult to because the phenomenon of lax appearance fold.

Description

Environment-friendly PE membrane is with cutting limit self-adjusting system bag machine

Technical Field

The application relates to the technical field of bag making machines, in particular to a self-adjusting bag making machine with a split edge for an environment-friendly PE film.

Background

The bag making machine is a machine for making various plastic packaging bags or packaging bags made of other materials, the processing range of the bag making machine is various plastic packaging bags or packaging bags made of other materials with different sizes, thicknesses and specifications, and the plastic packaging bags are generally used as main products.

The PE film is a common plastic film, is a polymer organic compound with the simplest structure and is the most widely applied polymer material in the world today. In the related art, when a PE film is cut to make a bag, a bag making machine puts a roll of the PE film for making a packaging bag into a unwinding roller during production, and the PE film enters a heat sealing and cutting area for processing and forming through a guide device. Because of need certain time when heat-seal and cutting, consequently PE membrane is the interval when work and advances, and the film stops to carry when heat-seal and cutting work, but unreel the roller and can continue to rotate one section because of inertia, can lead to the PE membrane to become lax, consequently all can adopt the tensioning roller, and the dead weight through the tensioning roller carries out the tensioning with lax PE membrane.

In the related art described above, the inventors considered that, when the PE film is always in a relaxed state, the tension roller continues to descend, and eventually the tension roller descends to the ground, and it is difficult to perform the tensioning function.

SUMMERY OF THE UTILITY MODEL

In order to improve the tensioning roller and continuously descend to ground through the dead weight, finally be difficult to play the problem of tensioning effect, this application provides an environmental protection PE membrane is with cutting limit self-adjusting system bag machine.

The application provides an environmental protection PE membrane is with cutting limit self-adjusting system bag machine adopts following technical scheme:

the utility model provides an environmental protection PE membrane is with cutting limit self-adjusting system bag machine, includes the frame, rotate in the frame and be provided with a plurality of unreel rollers and be located the tensioning roller between the unreeling roller, be located the heat-seal is kept away from to the tensioning roller and the unreeling roller of cutting area is the transfer roller, be provided with the adjusting device that the control transfer roller goes up and down in the frame, just be located the tensioning roller in the frame and be provided with the spacing actuating mechanism who is used for driving the adjusting device operation under.

Through adopting above-mentioned technical scheme, the PE membrane is in the heat-seal or when tailorring, the PE membrane is because inertia lasts the conveying in, because the setting of tensioning roller, after the PE membrane is lax, the holding power to the tensioning roller will reduce, the tensioning roller will descend through the dead weight, when the tensioning roller descends to spacing actuating mechanism, spacing actuating mechanism drive adjusting device, thereby can rise through adjusting device drive transfer roller, continue to carry out the tensioning to the PE membrane, thereby make the PE membrane be difficult to because the phenomenon of lax appearance fold.

Optionally, the adjusting device comprises a lifting mechanism and a limiting mechanism, the lifting mechanism comprises a supporting rod and a supporting seat, one end of the supporting rod is arranged on a lifting driving assembly, the lifting driving assembly is arranged on the frame, the other end of the supporting rod is connected with a traction rope, one end of the traction rope, far away from the supporting rod, is connected with a central shaft of the conveying roller, and one end of the supporting rod, close to the traction rope, is positioned above the conveying roller;

the supporting seat is fixed on the rack, the supporting seat is rotatably connected with the supporting rod, and the supporting seat is located between the traction rope and the lifting driving assembly.

Through adopting above-mentioned technical scheme, bracing piece and supporting seat form the steel pole, start the lift drive subassembly and push down the bracing piece, can rise the one end that the bracing piece is close to the haulage rope to can exert pulling force to the conveying roller through the haulage rope, can rise on first conveying roller, can carry out the tensioning to the PE membrane.

Optionally, the lifting driving assembly includes a rack and a gear, a first waist-shaped hole is formed in the rack, a limiting member is arranged on the frame, and the limiting member is slidably inserted into the first waist-shaped hole;

one end of the support rod, which is far away from the traction rope, is rotatably connected with the top of the rack;

the gear rotation sets up in the frame, gear and rack intermeshing sets up, be connected with the driving piece on the gear.

Through adopting above-mentioned technical scheme, rotate through driving piece drive gear, in the time of gear revolve, can drive the rack and realize the descending motion to can keep away from the one end of haulage rope with the bracing piece and descend, the one end that the bracing piece is close to the haulage rope will rise, can lift the transfer roller, the tensioning of reality PE membrane.

Optionally, the frame is provided with a guide wheel in a rotating manner, the guide wheel is located above the conveying roller, and the guide wheel is sleeved with the traction rope.

Through adopting above-mentioned technical scheme, can prescribe a limit to the orbit of the motion of transfer roller, make the transfer roller can vertically rise to play and improve the tensioning effect.

Optionally, the driving member is a counterweight, a fixing ring is fixed on the gear, the fixing ring and the gear are coaxially arranged, the counterweight is connected with a pull rope, and the pull rope rotates towards the direction of the rack and is wound on the fixing ring;

the limiting mechanism comprises a supporting table and an air cylinder, one end of the supporting table is rotatably connected with the rack, and a limiting plate is fixed at the other end of the supporting table; one end of the air cylinder is hinged to the frame, the other end of the air cylinder is hinged to one surface, facing the ground, of the supporting table, and the balancing weight is arranged on the supporting table.

Through adopting above-mentioned technical scheme, the piston rod of cylinder shortens, rotates brace table towards the direction on ground, and the balancing weight of arranging in on the brace table will descend, and gear rotation drives the rack and descends, can rise the bracing piece near the one end of haulage rope to can carry out the tensioning to the PE membrane. The setting of limiting plate can make be difficult to break away from the connection between balancing weight and the brace table.

Optionally, the limiting driving mechanism includes a limiting table and a driving button, a driving rod is fixedly sleeved on a central shaft of the tensioning roller, and the driving rod extends towards the ground;

the limiting table is fixed on the rack, the driving rod is located right above the limiting table, the driving button is fixed on the limiting table, and the driving button is electrically connected with the air cylinder.

Through adopting above-mentioned technical scheme, when the tensioning roller carries out the tensioning to the PE membrane, the tensioning roller descends through the gravity of self, descends to spacing platform and the contact of drive button along with the tensioning roller as the actuating lever to when the gravity through the tensioning roller pushed down drive button, the piston rod that drive button drove actuating cylinder shortens, and the balancing weight will begin work. Conversely, the piston rod of the driving cylinder is in an extended state.

Optionally, a first limiting rod is arranged at one end of the limiting member extending out of the first kidney-shaped hole, a first limiting roller is rotatably sleeved at two ends of the first limiting rod, and the first limiting roller is in rolling connection with one surface of the rack far away from the rack;

the rack is characterized in that a second limiting rod is inserted in the limiting part and arranged in parallel with the first limiting rod, second limiting rollers are rotatably sleeved at two ends of the second limiting rod and are in rolling connection with one surface of the rack facing the rack.

Through adopting above-mentioned technical scheme, inject the position of gear through first spacing roller and second spacing roller, make between rack and the gear can the meshing more reliable to can reduce the frictional force that the rack goes up and down.

Optionally, a second waist-shaped hole is formed in the frame, and a central shaft of the conveying roller is inserted into the second waist-shaped hole.

Through adopting above-mentioned technical scheme, the setting in second waist type hole can be convenient for inject the motion trail of conveying roller.

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

1. through the arrangement of the adjusting device and the limiting driving mechanism, the effect that when the tensioning roller descends to the lowest point, the conveying roller can ascend and continue to tension the PE film can be achieved;

2. through the arrangement of the guide wheel, the conveying roller can vertically rise, so that the tensioning effect is improved;

3. through the setting of brace table and limiting plate, can make the balancing weight be difficult to break away from the connection with the brace table to can play the effect of the lift of the balancing weight of being convenient for.

Drawings

FIG. 1 is a schematic structural diagram of a slitting edge self-adjusting bag making machine for an environmentally-friendly PE film according to an embodiment of the present application;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 1.

Description of reference numerals: 1. a frame; 11. a second kidney-shaped hole; 2. unwinding rollers; 21. a conveying roller; 3. a tension roller; 4. an adjustment device; 41. a lifting mechanism; 411. a support bar; 412. a supporting seat; 413. a hauling rope; 414. a lift drive assembly; 4141. a rack; 4142. a gear; 4143. a first kidney-shaped hole; 4144. a limiting member; 4145. a first limit rod; 4146. a first limit roller; 4147. a second limiting rod; 4148. a second limit roller; 415. a guide wheel; 416. a drive member; 4161. a balancing weight; 4162. a fixing ring; 4163. pulling a rope; 42. a limiting mechanism; 421. a support table; 422. a cylinder; 423. a limiting plate; 5. a limiting driving mechanism; 51. a limiting table; 52. a drive button; 53. a drive rod; 531. and (7) briquetting.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses self-adjusting bag making machine of edge slitting for environmental protection PE membrane. Referring to fig. 1 and 2, the edge slitting self-adjusting bag making machine for the environment-friendly PE film comprises a frame 1, wherein a plurality of unwinding rollers 2 and tension rollers 3 are rotatably arranged on the frame 1, and in the embodiment, the unwinding rollers 2 which are positioned at the tension rollers 3 and far away from a heat sealing and cutting area are called conveying rollers 21. A second waist-shaped hole 11 is formed in the frame 1, the second waist-shaped hole 11 is vertically formed, and a central shaft of the conveying roller 21 penetrates through the second waist-shaped hole 11. Be provided with spacing actuating mechanism 5 and adjusting device 4 on frame 1, spacing actuating mechanism 5 is located tensioning roller 3 under, and adjusting device 4 is used for adjusting the lift of transfer roller 21, descends through tensioning roller 3 and starts spacing actuating mechanism 5 to drive adjusting device 4 control the lift of transfer roller 21.

Referring to fig. 1, a driving rod 53 is fixedly sleeved on an end portion of a central shaft of the tension roller 3, the driving rod 53 extends toward the ground, and a pressing block 531 is provided at an end of the driving rod 53 extending toward the ground. The limit driving mechanism 5 includes a limit table 51 fixed on the frame 1 and a driving button 52 fixed on the limit table 51. After the PE film is loosened, the PE film will hardly support the tension roller 3, the tension roller 3 will descend by its own weight, the drive lever 53 will bring the pressing piece 531 along with the drive lever 53, and when the pressing piece 531 descends to the drive button 52, the tension roller 3 will stop descending.

Referring to fig. 1, the adjusting device 4 includes a lifting mechanism 41 and a limiting mechanism 42, the lifting mechanism 41 and the limiting mechanism 42 are both fixed on the frame 1, the lifting mechanism 41 is used for driving the conveying roller 21 to lift, and the limiting mechanism 42 is used for limiting the lifting mechanism 41.

Referring to fig. 1 and 2, the lifting mechanism 41 includes a supporting base 412 and a supporting rod 411, the supporting base 412 is fixed on the frame 1, and the middle position of the supporting rod 411 is rotatably connected to the supporting base 412. One end of the supporting rod 411 is connected with a pulling rope 413, and one end of the pulling rope 413 far away from the supporting rod 411 is connected with the central shaft of the conveying roller 21. A guide wheel 415 is rotatably arranged on the frame 1, and the traction rope 413 is sleeved on the guide wheel 415. The guide roller 415 may be located obliquely above the conveying roller 21 or directly above the conveying roller 21, and the guide roller serves to limit the position of the pulling rope 413, so that the conveying pipe can slide along the length direction of the second kidney-shaped hole 11 when the pulling rope 413 is pulled.

Referring to fig. 3, an end of the supporting rod 411, which is away from the pulling rope 413, is disposed on a lifting driving assembly 414, the lifting driving assembly 414 includes a rack 4141 and a gear 4142, the rack 4141 is vertically disposed on the frame 1, a first kidney-shaped hole 4143 is disposed on the rack 4141, a limiting member 4144 is disposed on the frame 1, and the limiting member 4144 is slidably disposed in the first kidney-shaped hole 4143. A first limiting rod 4145 and a second limiting rod 4147 which are arranged in parallel are inserted on the limiting rod, the rack 4141 is positioned between the first limiting rod 4145 and the second limiting rod 4147, the first limiting rod 4145 is positioned on one side of the rack 4141 far away from the machine frame 1, and the second limiting rod 4147 is positioned on one side of the rack 4141 close to the machine frame 1. The two ends of the first limiting rod 4145 are rotatably sleeved with first limiting rollers 4146, the two ends of the second limiting rod 4147 are rotatably sleeved with second limiting rollers 4148, and the first limiting rollers 4146 and the second limiting rollers 4148 are both in rolling connection with the racks 4141.

Referring to fig. 1 and 3, the gear 4142 is rotatably disposed on the frame 1, the gear 4142 and the rack 4141 are engaged with each other, one end of the support rod 411, which is away from the pulling rope 413, is rotatably connected to the top of the rack 4141, when the gear 4142 rotates in the direction of the rack 4141, the rack 4141 descends, and when the rack 4141 descends, one end of the support rod 411, which is close to the rack 4141, is pulled to descend, so that one end of the support rod 411, which is close to the pulling rope 413, can ascend, that is, the conveying roller 21 can be lifted up to tension the PE film. The driving member 416 is connected to the gear 4142, in this embodiment, the driving member 416 is a weight block 4161, a fixing ring 4162 is fixed to a surface of the gear 4142 away from the frame 1, the fixing ring 4162 and the gear 4142 are coaxially disposed, a pull rope 4163 is connected to the weight block 4161, one end of the pull rope 4163 away from the weight block 4161 is wound on the fixing ring 4162, and the pull rope 4163 is wound in a direction of the rack 4141. In this embodiment, the pull rope 4163 is wound counterclockwise.

Referring to fig. 1, the limiting mechanism 42 includes a supporting table 421 and an air cylinder 422, the supporting table 421 is disposed parallel to the ground, one end of the supporting table 421 is rotatably connected to the frame 1, a limiting plate 423 is fixed to the other end of the supporting table 421, and a counterweight 4161 is disposed on the supporting table 421. One end of the cylinder 422 is hinged with the frame 1, the other end of the cylinder 422 is hinged with one surface of the support table 421 facing the ground, and the driving button 52 is electrically connected with the cylinder 422, so that the extension and the shortening of the piston rod of the cylinder 422 can be controlled by pressing down and lifting up the driving button 52.

The implementation principle of the slitting edge self-adjusting bag making machine for the environment-friendly PE film in the embodiment of the application is as follows: when the PE film is in heat sealing or cutting, the PE film is continuously conveyed due to inertia, the PE film is in a loose state, the tensioning roller 3 descends through self weight at the moment, the pressing block 531 presses the driving button 52 downwards, the piston rod of the air cylinder 422 is shortened, the supporting table 421 is pulled through the piston rod, the supporting table 421 rotates towards the direction of the ground, the balancing weight 4161 arranged on the supporting table 421 descends, when the balancing weight 4161 descends, the gear 4163 rotates the gear 4142 anticlockwise, the gear 4142 rotates the driving rack 4141 to descend, the end, far away from the traction rope, of the supporting rod 411 descends, the end, close to the traction rope 413, of the supporting rod 411 ascends, the conveying roller 21 can be lifted through the traction rope 413, and the PE film is tensioned.

When the heat sealing or cutting of the PE film is finished, the PE film is stressed, the tensioning roller 3 rises, the driving button 52 rises, the piston rod of the air cylinder 422 extends, the balancing weight 4161 can be supported and lifted through the supporting table 421, and the conveying roller 21 is lowered and reset through self weight.

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 an environmental protection PE membrane is with cutting limit self-adjusting system bag machine, includes frame (1), rotate in frame (1) and be provided with a plurality of rollers of unreeling (2) and be located tensioning roller (3) of unreeling between roller (2), its characterized in that: lie in tensioning roller (3) are kept away from heat-seal and cutting area unreel roller (2) and are transfer roller (21), be provided with adjusting device (4) that control transfer roller (21) go up and down in frame (1), just be located tensioning roller (3) on frame (1) and be provided with spacing actuating mechanism (5) that are used for driving adjusting device (4) operation under.

2. The self-adjusting slitting edge bag making machine for the environment-friendly PE film as claimed in claim 1, which is characterized in that: the adjusting device (4) comprises a lifting mechanism (41) and a limiting mechanism (42), the lifting mechanism (41) comprises a supporting rod (411) and a supporting seat (412), one end of the supporting rod (411) is arranged on a lifting driving assembly (414), the lifting driving assembly (414) is arranged on the rack (1), the other end of the supporting rod (411) is connected with a traction rope (413), one end, far away from the supporting rod (411), of the traction rope (413) is connected with a central shaft of the conveying roller (21), and one end, close to the traction rope (413), of the supporting rod (411) is located above the conveying roller (21);

the supporting seat (412) is fixed on the rack (1), the supporting seat (412) is rotatably connected with the supporting rod (411), and the supporting seat (412) is located between the traction rope (413) and the lifting driving assembly (414).

3. The self-adjusting slitting edge bag making machine for the environment-friendly PE film as claimed in claim 2, which is characterized in that: the lifting driving assembly (414) comprises a rack (4141) and a gear (4142), a first waist-shaped hole (4143) is formed in the rack (4141), a limiting piece (4144) is arranged on the rack (1), and the limiting piece (4144) is slidably arranged in the first waist-shaped hole (4143);

one end of the supporting rod (411) far away from the traction rope (413) is rotatably connected with the top of the rack (4141);

the gear (4142) is rotatably arranged on the frame (1), the gear (4142) and the rack (4141) are meshed with each other, and the gear (4142) is connected with a driving piece (416).

4. The self-adjusting slitting edge bag making machine for the environment-friendly PE film as claimed in claim 3, wherein: the frame (1) is provided with guide wheel (415) in a rotating mode, the guide wheel (415) is located above the conveying roller (21), and the guide wheel (415) is sleeved with the traction rope (413).

5. The self-adjusting slitting edge bag making machine for the environment-friendly PE film as claimed in claim 3, wherein: the driving piece (416) is a balancing weight (4161), a fixing ring (4162) is fixed on the gear (4142), the fixing ring (4162) and the gear (4142) are coaxially arranged, a pull rope (4163) is connected to the balancing weight (4161), and the pull rope (4163) rotates towards the direction of the rack (4141) and is wound on the fixing ring (4162);

the limiting mechanism (42) comprises a supporting table (421) and an air cylinder (422), one end of the supporting table (421) is rotatably connected with the rack (1), and a limiting plate (423) is fixed at the other end of the supporting table (421);

one end of the air cylinder (422) is hinged to the frame (1), the other end of the air cylinder (422) is hinged to one surface, facing the ground, of the supporting table (421), and the balancing weight (4161) is arranged on the supporting table (421).

6. The self-adjusting slitting edge bag making machine for the environment-friendly PE film as claimed in claim 5, wherein: the limiting driving mechanism (5) comprises a limiting table (51) and a driving button (52), a driving rod (53) is fixedly sleeved on a central shaft of the tensioning roller (3), and the driving rod (53) extends towards the direction of the ground;

spacing platform (51) are fixed in on frame (1), actuating lever (53) are located spacing platform (51) directly over, drive button (52) are fixed in on spacing platform (51), drive button (52) are connected with cylinder (422) electricity.

7. The self-adjusting slitting edge bag making machine for the environment-friendly PE film as claimed in claim 3, wherein: one end, extending out of the first waist-shaped hole (4143), of the limiting piece (4144) is provided with a first limiting rod (4145), two ends of the first limiting rod (4145) are rotatably sleeved with a first limiting roller (4146), and the first limiting roller (4146) is in rolling connection with one surface, far away from the rack (1), of the rack (4141);

a second limiting rod (4147) is inserted into the limiting piece (4144), the second limiting rod (4147) and the first limiting rod (4145) are arranged in parallel, a second limiting roller (4148) is rotatably sleeved at two ends of the second limiting rod (4147), and the second limiting roller (4148) is connected with one surface, facing the rack (4141), of the rack in a rolling mode.

8. The self-adjusting slitting edge bag making machine for the environment-friendly PE film as claimed in claim 1, which is characterized in that: the frame (1) is provided with a second waist-shaped hole (11), and the central shaft of the conveying roller (21) is inserted in the second waist-shaped hole (11).