Film blowing machine traction device for polyethylene film bag production

By combining a motor-driven helical gear system and a bidirectional screw, the synchronous rotation of the blown film machine traction device and the adjustment of the roller spacing are realized, solving the problems of idling slippage and inconvenient adjustment in the existing technology, and improving traction efficiency and flexibility.

CN223520199UActive Publication Date: 2025-11-07SCW PHARM PACKAGING CO LTD
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Patent Information

Application Number
CN202422969112.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-11-07
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

Existing blown film machine traction devices are prone to slippage when adjusting films of different thicknesses, and cannot be effectively adjusted without stopping the machine.

Method used

The first helical gear is driven by a motor to rotate, and the second helical gear drives the square shaft to rotate in a circular motion. Combined with the sliding effect of the third and fourth helical gears, the first and second traction rollers rotate synchronously. The connecting plate is moved synchronously by a bidirectional screw to adjust the distance between the traction rollers and ensure the stability of the rotation.

Benefits of technology

It achieves synchronous rotation of the traction rollers and flexible adjustment of the roller spacing, improves traction efficiency, prevents slippage during idling, and can be adjusted according to the film thickness without stopping the machine.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a film blowing machine traction device for polyethylene film bag production, which comprises a base, a first stand column is arranged on the base, a first sliding block and a second sliding block are connected in the first stand column in a sliding mode, and a first rotating shaft is connected in the first sliding block in a rotating mode. The second bevel gear can drive the square shaft to conduct circular motion, the third bevel gear and the fourth bevel gear can rotate through the sliding effect on the third bevel gear and the fourth bevel gear, so that the fifth bevel gear and the sixth bevel gear are driven to rotate correspondingly, and due to the fact that the third bevel gear and the fourth bevel gear are symmetrical, the rotation speed of the square shaft is increased. The first traction roller and the second traction roller rotate synchronously and relatively through connection of the first rotating shaft and the second rotating shaft, so that the traction effect is achieved, and compared with the prior art, the traction effect is effectively improved, and the idling and slipping problems are prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a traction device technical field especially relates to a polyethylene film bag production is with blow film machine traction device. BACKGROUND

[0002] The utility model discloses a blow film machine traction device discloses a blow film machine traction device, including the bottom plate, the bottom plate upper surface left side symmetry has two fixed supports, and the upper portion of the side of fixed support is equipped with the mounting hole, and the left and right sides of mounting hole are all equipped with the sliding slot along the vertical direction, and two sliding slots are slidably connected with the left and right ends of sliding block respectively, and the upper surface of sliding block is fixed with the bearing, and the inner ring of bearing and the lower end of screw rod are fixedly connected, and the upper end of screw rod passes through the screw hole on fixed support and extends to the top of fixed support, and screw rod and the screw hole of fixed support are screwed, and the ion wind stick removes the static electricity on the blow film, prevents the blow film from adhering dust and thereby improves the quality of blow film, and the size control of blow film is accurate, and the quality of blow film is improved, and the staff adjusts the movable roller convenient and fast, and the working efficiency of staff is improved, and the size control of blow film is accurate, and the quality of blow film is improved, and the stability between two fixed supports is improved.

[0003] The prior art realizes the traction effect of different thickness films by adjusting the height of a single traction roller, but the traction roller cannot rotate actively due to the height adjustment limitation, and needs to be driven by a transmission traction roller to rotate, which leads to the problem of poor traction effect and idle slipping, and therefore a polyethylene film bag production blow film machine traction device is needed to meet the demand. SUMMARY

[0004] The utility model discloses a polyethylene film bag production blow film machine traction device to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: A kind of film blowing machine traction device for polyethylene film bag production, including base, first stand is provided on the base, first stand is slidably connected with first slider and second slider in, first slider is rotatably connected with first shaft in, and the one end of first shaft is connected with first traction roller, second slider is rotatably connected with second shaft in, and the one end of second shaft is connected with second traction roller, bidirectional screw is rotatably connected on the base, and first connecting plate and second connecting plate are respectively threadedly connected on bidirectional screw, first connecting plate is connected with first slider, second connecting plate is connected with second slider, motor is provided on the base, and the output end of motor is connected with first helical gear, second helical gear is engaged on first helical gear, second helical gear is rotatably connected on base, square shaft is connected on second helical gear, third helical gear and fourth helical gear are slidably connected on square shaft respectively, third helical gear is arranged below first connecting plate, fourth helical gear is arranged above second connecting plate, and it is mutually symmetrical with third helical gear, the one end of first shaft is connected with fifth helical gear, and fifth helical gear is engaged with third helical gear, the one end of second shaft is connected with sixth helical gear, and sixth helical gear is engaged with fourth helical gear.

[0006] Preferably, the second stand is provided on the base, the third slider and the fourth slider are slidably connected in the second stand, the third shaft is rotatably connected in the third slider, the end of the first traction roller is connected with the third shaft, the fourth shaft is rotatably connected in the fourth slider, and the end of the second traction roller is connected with the fourth shaft.

[0007] Preferably, the bottom end of the second helical gear is connected with the support shaft, the first bearing seat is provided on the base, and the bottom end of the support shaft is rotatably connected in the first bearing seat.

[0008] Preferably, the second bearing seat is provided on the base, and the bottom end of the bidirectional screw is rotatably connected in the second bearing seat.

[0009] Preferably, the first connecting plate is provided with a normal thread hole matched with the normal thread segment of the bidirectional screw, and the second connecting plate is provided with a reverse thread hole matched with the reverse thread segment of the bidirectional screw.

[0010] Preferably, the first connecting plate and the second connecting plate are both provided with a circular hole, and the hole diameter of the circular hole is greater than or equal to the rotating diameter of the square shaft.

[0011] Preferably, the third helical gear and the fourth helical gear are both provided with a square hole, and the inner edge size of the square hole is the same as the outer edge size of the square shaft.

[0012] The utility model has the beneficial effects that:

[0013] The utility model discloses a first bevel gear rotation is driven through motor, makes second bevel gear can drive square shaft to carry out circular motion, through the sliding effect on third bevel gear and fourth bevel gear, makes third bevel gear and fourth bevel gear produce rotation, thereby respectively drive fifth bevel gear and sixth bevel gear rotation, because third bevel gear and fourth bevel gear are mutually symmetrical, make fifth bevel gear and sixth bevel gear produce the rotation of opposite direction, through the connection of first rotation axis and second rotation axis, realized the relative rotation of synchronous between first traction roller and second traction roller, thereby realized traction effect, compared with prior art effectively improved traction effect, prevent idling slip problem and occur.

[0014] The utility model discloses through the sliding effect of third bevel gear and fourth bevel gear on square shaft and the relative movement effect of synchronous of bidirectional screw rotation drive first connecting plate and second connecting plate, realized the adjustment of the distance between first traction roller and second traction roller, guaranteed the rotation state of first traction roller and second traction roller simultaneously, realized that this traction device can adjust according to film thickness under no shutdown state, improved traction efficiency. DRAWINGS

[0015] Figure 1 The utility model provides a kind of structure schematic diagram of traction device of film blowing machine for polyethylene film bag production;

[0016] Figure 2 The utility model provides a kind of first stand local structure schematic diagram of front view section of traction device of film blowing machine for polyethylene film bag production at first stand;

[0017] Figure 3 The utility model provides a kind of second stand local structure schematic diagram of front view section of traction device of film blowing machine for polyethylene film bag production at second stand;

[0018] Figure 4 The utility model provides a kind of first bevel gear side view section structure schematic diagram of traction device of film blowing machine for polyethylene film bag production.

[0019] In the drawing: 1, base; 2, first stand; 3, first sliding block; 4, second sliding block; 5, first rotation axis; 6, first traction roller; 7, second rotation axis; 8, second traction roller; 9, bidirectional screw; 10, first connecting plate; 11, second connecting plate; 12, motor; 13, first bevel gear; 14, second bevel gear; 15, square shaft; 16, third bevel gear; 17, fourth bevel gear; 18, fifth bevel gear; 19, sixth bevel gear; 20, second stand; 21, third sliding block; 22, fourth sliding block; 23, third rotation axis; 24, fourth rotation axis; 25, support shaft; 26, first bearing seat; 27, second bearing seat; 28, normal screw hole; 29, reverse screw hole; 30, round hole; 31, square hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] With reference to Figures 1-4 A film blowing machine traction device for polyethylene film bag production, including base 1, base 1 is provided with first stand 2, first stand 2 is slidably connected with first sliding block 3 and second sliding block 4, first sliding block 3 is rotatably connected with first rotating shaft 5, one end of first rotating shaft 5 is connected with first traction roller 6, second sliding block 4 is rotatably connected with second rotating shaft 7, one end of second rotating shaft 7 is connected with second traction roller 8, base 1 is rotatably connected with two-way screw 9, two-way screw 9 is respectively threadedly connected with first connecting plate 10 and second connecting plate 11, first connecting plate 10 is connected with first sliding block 3, second connecting plate 11 is connected with second sliding block 4, base 1 is provided with motor 12, the output end of motor 12 is connected with first helical gear 13, first helical gear 13 is engaged with second helical gear 14, second helical gear 14 is rotatably connected on base 1, second helical gear 14 is connected with square shaft 15, square shaft 15 is respectively slidably connected with third helical gear 16 and fourth helical gear 17, third helical gear 16 is arranged below first connecting plate 10, fourth helical gear 17 is arranged above second connecting plate 11, and it is mutually symmetrical with third helical gear 16, one end of first rotating shaft 5 is connected with fifth helical gear 18, fifth helical gear 18 is engaged with third helical gear 16, one end of second rotating shaft 7 is connected with sixth helical gear 19, sixth helical gear 19 is engaged with fourth helical gear 17.

[0022] The first bevel gear 13 is driven to rotate by the motor 12, so that the second bevel gear 14 can drive the square shaft 15 to move in a circle, and through the sliding effect of the third bevel gear 16 and the fourth bevel gear 17, the third bevel gear 16 and the fourth bevel gear 17 can rotate to drive the fifth bevel gear 18 and the sixth bevel gear 19 to rotate, respectively, and since the third bevel gear 16 and the fourth bevel gear 17 are symmetrical to each other, the fifth bevel gear 18 and the sixth bevel gear 19 rotate in opposite directions, and through the connection of the first rotating shaft 5 and the second rotating shaft 7, the relative rotation between the first traction roller 6 and the second traction roller 8 is realized, so that the traction effect is realized, and compared with the prior art, the traction effect is effectively improved, and the problem of idling and slipping is prevented. Through the sliding effect of the third bevel gear 16 and the fourth bevel gear 17 on the square shaft 15 and the relative movement effect of the first connecting plate 10 and the second connecting plate 11 driven by the bidirectional screw rod 9 to rotate, the distance between the first traction roller 6 and the second traction roller 8 is adjusted, and the rotation state of the first traction roller 6 and the second traction roller 8 is ensured, so that the traction device can be adjusted according to the thickness of the film without stopping, and the traction efficiency is improved.

[0023] Specifically, in the embodiment, the base 1 is provided with a second stand 20, the third sliding block 21 and the fourth sliding block 22 are slidably connected in the second stand 20, the third rotating shaft 23 is rotatably connected in the third sliding block 21, the third rotating shaft 23 is connected with the end of the first traction roller 6, the fourth rotating shaft 24 is rotatably connected in the fourth sliding block 22, the fourth rotating shaft 24 is connected with the end of the second traction roller 8, and the other end of the first traction roller 6 and the second traction roller 8 is supported to ensure the stability in the adjustment and rotation state.

[0024] Specifically, in the embodiment, the bottom end of the second bevel gear 14 is connected with a supporting shaft 25, the base 1 is provided with a first bearing seat 26, and the bottom end of the supporting shaft 25 is rotatably connected in the first bearing seat 26 to provide support and positioning for the rotation of the second bevel gear 14.

[0025] Specifically, in the embodiment, the base 1 is provided with a second bearing seat 27, and the bottom end of the bidirectional screw rod 9 is rotatably connected in the second bearing seat 27 to provide positioning for the rotation of the bidirectional screw rod 9.

[0026] Specifically, in the embodiment, the first connecting plate 10 is provided with a right threaded hole 28 matched with the right threaded section of the bidirectional screw rod 9, and the second connecting plate 11 is provided with a left threaded hole 29 matched with the left threaded section of the bidirectional screw rod 9, so as to realize the synchronous relative movement of the first connecting plate 10 and the second connecting plate 11 driven by the bidirectional screw rod 9.

[0027] Specifically, in the embodiment, the first connecting plate 10 and the second connecting plate 11 are both provided with a circular hole 30, the diameter of the circular hole 30 is greater than or equal to the rotating diameter of the square shaft 15, so as to ensure the rotatability of the square shaft 15 and facilitate the movement of the first connecting plate 10 and the second connecting plate 11.

[0028] Specifically, in the embodiment, the third bevel gear 16 and the fourth bevel gear 17 are both provided with a square hole 31, the inner edge size of the square hole 31 is the same as the outer edge size of the square shaft 15, so as to realize the rotation of the third bevel gear 16 and the fourth bevel gear 17 driven by the square shaft 15, and ensure that the third bevel gear 16 moves along with the first connecting plate 10 and the fourth bevel gear 17 moves along with the second connecting plate 11.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A film blowing machine pulling device for polyethylene film bag production, comprising a base (1), characterized in that: The base (1) is provided with a first column (2), the first column (2) is slidably connected with a first slider (3) and a second slider (4), the first slider (3) is rotatably connected with a first rotating shaft (5), one end of the first rotating shaft (5) is connected with a first traction roller (6), the second slider (4) is rotatably connected with a second rotating shaft (7), one end of the second rotating shaft (7) is connected with a second traction roller (8), the base (1) is rotatably connected with a bidirectional screw rod (9), the bidirectional screw rod (9) is threadedly connected with a first connecting plate (10) and a second connecting plate (11) respectively, the first connecting plate (10) is connected with the first slider (3), the second connecting plate (11) is connected with the second slider (4), the base (1) is provided with a motor (12), the output end of the motor (12) is connected with a first bevel gear (13), the first bevel gear (13) is meshed with a second bevel gear (14), the second bevel gear (14) is rotatably connected on the base (1), the second bevel gear (14) is connected with a square shaft (15), the square shaft (15) is slidably connected with a third bevel gear (16) and a fourth bevel gear (17) respectively, the third bevel gear (16) is arranged below the first connecting plate (10), the fourth bevel gear (17) is arranged above the second connecting plate (11) and is mutually symmetrical with the third bevel gear (16), one end of the first rotating shaft (5) is connected with a fifth bevel gear (18), the fifth bevel gear (18) is meshed with the third bevel gear (16), one end of the second rotating shaft (7) is connected with a sixth bevel gear (19), the sixth bevel gear (19) is meshed with the fourth bevel gear (17).

2. The film blowing machine pulling device for polyethylene film bag production according to claim 1, characterized in that: The base (1) is provided with a second column (20), the second column (20) is slidably connected with a third slider (21) and a fourth slider (22), the third slider (21) is rotatably connected with a third rotating shaft (23), the third rotating shaft (23) is connected with the end of the first traction roller (6), the fourth slider (22) is rotatably connected with a fourth rotating shaft (24), the fourth rotating shaft (24) is connected with the end of the second traction roller (8).

3. The film blowing machine pulling device for polyethylene film bag production according to claim 1, characterized in that: The bottom end of the second bevel gear (14) is connected with a support shaft (25), the base (1) is provided with a first bearing seat (26), the bottom end of the support shaft (25) is rotatably connected in the first bearing seat (26).

4. The film blowing machine pulling device for polyethylene film bag production according to claim 1, characterized in that: The base (1) is provided with a second bearing seat (27), the bottom end of the bidirectional screw rod (9) is rotatably connected in the second bearing seat (27).

5. The film blowing machine pulling device for polyethylene film bag production according to claim 1, characterized in that: The first connecting plate (10) is provided with a right thread hole (28) matched with the right thread section of the bidirectional screw rod (9), the second connecting plate (11) is provided with a reverse thread hole (29) matched with the reverse thread section of the bidirectional screw rod (9).

6. A film blowing machine pulling device for polyethylene film bag production according to claim 1, characterized in that: The first connecting plate (10) and the second connecting plate (11) are both provided with a circular hole (30), the diameter of the circular hole (30) is greater than or equal to the rotating diameter of the square shaft (15).

7. The film blowing machine pulling device for polyethylene film bag production according to claim 1, characterized in that: The third bevel gear (16) and the fourth bevel gear (17) are both provided with a square hole (31), the inner edge size of the square hole (31) is the same as the outer edge size of the square shaft (15).

Citation Information

Patent Citations

  • Inflation film manufacturing machine draw gear

    CN207105608U