CN206598577U - The rolling-up mechanism of plastic bag making machine - Google Patents

Abstract

The utility model discloses a rolling mechanism of a plastic bag making machine. The key point of the technical scheme is to include a frame, and a set of transmission rollers and a winding assembly sequentially arranged on the frame. The rolling assembly includes a The fixed frame one and the fixed frame two on the frame, the first connecting shaft is installed on the fixed frame one, the connecting shaft two opposite to the connecting shaft one is installed on the fixed frame two, and the connecting shaft one end surface is provided with Material blocking plate 1, the end surface of the connecting shaft 2 is provided with a material blocking plate 2, and a space for winding plastic bags is formed between the material blocking plate 1 and the material blocking plate 2; wherein, the connecting shaft A mandrel that can rotate with the connecting shaft 1 is pierced along its axial direction, and a shaft hole is opened on the connecting shaft 2 along its axial direction, and a first drive for driving the connecting shaft 1 to rotate is arranged on the frame. The fixed frame is provided with a second driving part for driving the mandrel to slide along the axial direction of the connecting shaft so as to be plugged into the shaft hole.

Description

Rolling mechanism of plastic bag making machine

technical field

The utility model relates to a rolling device, in particular to a rolling mechanism of a plastic bag making machine.

Background technique

As the demand for continuous roll plastic bags in daily life becomes more and more diverse, and the consumption is increasing, the demand for bag making machines is also increasing, which also promotes the rapid development of bag making machines.

The traditional roll-to-roll bag-making machine manually passes through a mandrel after the roll-to-roll plastic bag is broken, and then winds the roll-to-roll plastic bag on the mandrel as a support for the roll-to-roll plastic bag. After the completion, it is necessary to pull out the wound plastic bag from the mandrel. This method of continuous roll plastic bag winding has low work efficiency, so there is a certain improvement.

Utility model content

Aiming at the deficiencies in the prior art, the purpose of this utility model is to provide a winding mechanism of a plastic bag making machine, which has the characteristics of high winding efficiency.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions:

A winding mechanism of a plastic bag making machine, including a frame, a transmission roller group and a winding assembly sequentially arranged on the frame, and the winding assembly includes a fixed frame one and a fixed frame two arranged on the frame , the first connecting shaft is installed on the first fixed frame, the second connecting shaft opposite to the first connecting shaft is installed on the second fixed frame, the first end surface of the first connecting shaft is provided with a retaining plate one, and the second connecting shaft There is a stop plate two on the end face of the stop plate, and a space for winding plastic bags is formed between the stop plate one and the second stop plate;

Wherein, the connecting shaft one is threaded with a mandrel that can rotate with the connecting shaft one along its axial direction, the connecting shaft two is provided with a shaft hole along its axial direction, and the frame is provided with a shaft for driving the connecting shaft. A rotating first driving part, the fixed frame is provided with a second driving part for driving the mandrel to slide along the axial direction of the connecting shaft so as to be inserted into the shaft hole.

Through the above technical solution, the second driving part drives the mandrel to slide into the shaft hole, and the operator pulls the continuous roll plastic bag on the conveying roller group into the winding space and winds it on the mandrel. The second driving part drives the connecting shaft 1 and the mandrel to rotate. At this time, the continuous roll plastic bag will be wound on the mandrel. As soon as the stop plate blocks the rolled plastic bag, the mandrel will withdraw from the rolled plastic bag. At this time, the operator only needs to take the rolled plastic bag and start from the point. The broken part can be torn off, the operation is simple and convenient, and the winding efficiency of the continuous roll plastic bag is high; among them, after the mandrel slides into the shaft hole again, the operator only needs to pull the continuous roll plastic bag on the mandrel , the mandrel can drive the continuous roll plastic bag for the next winding process.

Preferably, the first driving part includes a pulley installed on the first connecting shaft, and a servo motor arranged on the frame, the output shaft of the servo motor is connected to the pulley through a belt to drive the first connecting shaft periodically turn.

Through the above technical proposal, the servo motor drives the connecting shaft to rotate through the belt pulley, and the transmission efficiency is good.

Preferably, a rubber layer is bonded to the mandrel, and when the second driving part drives the mandrel to be inserted into the shaft hole, the rubber layer is in contact with the end surface of the pulley.

Through the above technical solution, when the mandrel slides into the shaft hole, the rubber layer will be in contact with the end surface of the pulley, so as to increase the friction between the mandrel and the connecting shaft one, and to a certain extent avoid the connection between the connecting shaft one and the first shaft. Slippage occurs between the mandrels.

Preferably, the end of the mandrel near the shaft hole is formed with a tapered surface.

Through the above technical solution, the setting of the tapered surface not only improves the convenience of inserting the mandrel into the shaft hole, but also prevents the burrs at the end of the mandrel from causing difficulty in pulling out the continuous roll plastic bag from the mandrel.

Preferably, the second driving part includes a bracket arranged on the fixed frame 1, a driving cylinder 1 arranged on the bracket, a fixed plate is connected to the output rod of the driving cylinder 1, and the end of the mandrel rotates mounted on the fixed plate.

Through the above technical proposal, the way of driving the cylinder to drive the sliding of the mandrel has fast response, strong driving force of mandrel sliding, high precision and good balance.

Preferably, the fixed frame 2 is provided with a driving cylinder 2, the output rod of the driving cylinder 2 is connected with a support plate, and the connecting shaft 2 is respectively installed on the fixed frame 2 and the support plate, and the support plate Bolts for fixing the second shaft are arranged on the top.

Through the above technical proposal, the connecting shaft 2 can slide on the fixing frame 2 under the drive of the driving cylinder 2, so as to conveniently adjust the size of the winding space of the continuous roll plastic bag, so as to adapt to the continuous roll plastic bag of different specifications.

Preferably, the second material blocking disc is rotatably mounted on the end of the second connecting shaft.

Through the above-mentioned technical proposal, when the material retaining disc 2 conflicts with the continuous roll plastic bag, the material retainer disc 2 can rotate along with the continuous roll plastic bag, so as to improve the winding efficiency of the continuous roll plastic bag.

In summary, the utility model has the beneficial effects compared with the prior art as follows:

The continuous roll plastic bag will be wound on the mandrel. After the continuous roll plastic bag is finished, the second driving part drives the mandrel to slide along the axis of the connecting shaft. For plastic bags, the mandrel will withdraw from the continuous roll plastic bag. At this time, the operator only needs to take the rolled continuous roll plastic bag and tear it from the broken point. The operation is simple and convenient, and the continuous roll plastic bag The winding efficiency is high.

Description of drawings

Fig. 1 is the structural representation of embodiment;

Fig. 2 is a schematic structural view of the winding assembly in the embodiment.

Reference signs: 1, frame; 2, transmission roller group; 21, transmission roller; 3, winding assembly; 31, fixed frame one; 311, connecting shaft one; 312, retaining plate one; 32, fixed frame two ; 321, connecting shaft two; 322, retaining plate two; 33, space; 34, mandrel; 341, tapered surface; 35, shaft hole; 36, first driving part; 371, support; 372, drive cylinder one; 373, fixed plate; 38, rubber layer; 39, drive cylinder two; 40, support plate; 41, bolt.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figure 1 and Figure 2, a winding mechanism of a plastic bag making machine includes a frame 1, a transmission roller set 2 and a winding assembly 3 sequentially arranged on the frame 1, the transmission roller set 2 will be connected The rolled plastic bag is transported to the rolling assembly 3 for rolling.

The group 2 of transmission rollers 21 includes several transmission rollers 21 , which are rotatably mounted on the frame 1 and distributed up and down.

The winding assembly 3 includes a first fixing frame 31 and a second fixing frame 32 arranged on the frame 1 , and the first fixing frame 31 and the second fixing frame 32 are respectively arranged on two sides of the frame 1 . On the fixed frame one 31, a connecting shaft one 311 is rotatably installed by a bearing, and the end surface of the connecting shaft one 311 is fixedly provided with a material stop plate one 312; 321, the end surface of the connecting shaft 2 321 is rotatably provided with a second stopper plate 322 through a bearing, and a space 33 for winding plastic bags is formed between the first stopper plate 312 and the second stopper plate 322.

Wherein, connecting shaft 1 311 is threaded with a mandrel 34 that can rotate with connecting shaft 1 311 along its axial direction, and connecting shaft 2 321 is provided with a shaft hole 35 along its axial direction. In this embodiment, the mandrel 34 is close to the shaft. The end of the hole 35 is formed with a tapered surface 341 .

The frame 1 is provided with a first driving part 36 for driving the connecting shaft one 311 to rotate, and the fixed frame one 31 is provided with a second drive part 36 for driving the mandrel 34 to slide axially along the connecting shaft one 311 so as to be plugged into the shaft hole 35. drive part 37 .

The first driving part 36 comprises a belt pulley 361 installed on the connecting shaft one 311 and a servo motor 362 arranged on the frame 1, the output shaft of the servo motor 362 is connected to the pulley 361 by a belt to drive the connecting shaft one 311 cycle Sexual rotation, each time the servo motor 362 is controlled to rotate a certain angle to drive the connecting shaft one 311 to rotate a certain number of turns.

The second driving part 37 comprises a support 371 located on the fixed mount 31, a drive cylinder 372 located on the support 371, a fixed plate 373 is connected to the output rod of the drive cylinder 372, and the end of the mandrel 34 is rotated and installed. on the fixed plate 373 . The mandrel 34 is bonded with a rubber layer 38, the rubber layer 38 is close to the fixed plate 373 side, when the driving cylinder 372 drives the mandrel 34 to be inserted in the shaft hole 35, the rubber layer 38 is in contact with the end face of the pulley 361 to improve Frictional force between the mandrel 34 and the connecting shaft 1 311 .

Two drive cylinders 39 are provided on the fixed frame two 32, and the output rod of the two drive cylinders 39 is connected with a supporting plate 40, and the connecting shaft two 321 is respectively worn on the two fixed frame 32 and the supporting plate 40, and the supporting plate 40 is provided with a Used to fix the bolt 41 connecting the second shaft 321.

work process:

Transmission roller 21 group 2 will carry out continuous roll plastic bag transmission;

First, the operator pulls the continuous plastic bag in the group 2 of the transport roller 21 onto the mandrel 34 in the winding space 33, and the servo motor 362 drives the connecting shaft 1 311 and the mandrel 34 to rotate periodically, and each rotation is a certain amount. The number of turns is to wind the continuous roll plastic bag on the mandrel 34. After the servo motor 362 drives the connecting shaft 311 to rotate a certain number of times periodically, the driving cylinder 1 372 is controlled to stretch out, and the driving mandrel 34 is driven along the connecting shaft. One 311 slides axially, and the end of the mandrel 34 withdraws from the shaft hole 35, wherein, the stopper plate 312 blocks the continuous roll plastic bag, so that the mandrel 34 can be extracted from the continuous roll plastic bag, After 34 has completely entered the connecting shaft 1 311, the operator can take the rolled plastic bag in the winding space 33, and tear the plastic bag at the breaking point;

After the preset time, the drive cylinder 1 372 returns to the station, the mandrel 34 slides into the shaft hole 35, the servo motor 362 drives the connecting shaft 1 311 and the mandrel 34 to rotate, and the operator puts the transport roller 21 in group 2 The rolling plastic bag can be pulled to the mandrel 34 to carry out the next winding work, the operation is simple and convenient, and the winding efficiency is high.

The above descriptions are only exemplary implementations of the present utility model, and are not intended to limit the protection scope of the present utility model, which is determined by the appended claims.

Claims (7)

1. a kind of rolling-up mechanism of plastic bag making machine, including frame (1) and the transmission roller group (2) that is sequentially arranged in frame (1) With winding component (3), it is characterized in that：The winding component (3) includes the fixed mount one (31) and fixed mount in frame (1) It is provided with connecting shaft one (311), the fixed mount two (32) and is provided with and connecting shaft on two (32), the fixed mount one (31) Backgauge disk one (312), the company are provided with the relative connecting shaft two (321) in one (311), described (311) end face of connecting shaft one Backgauge disk two (322), shape between the backgauge disk one (312) and backgauge disk two (322) are provided with the end face of spindle two (321) Into the space (33) for even rolling up plastic bag roll；

Wherein, the connecting shaft one (311) is equipped with the mandrel (34) that can be rotated with connecting shaft one (311) along its axial direction, described Offer and be provided with axis hole (35), the frame (1) for drive connection axle one along its axial direction in connecting shaft two (321) (311) it is provided with the first drive division (36) rotated, the fixed mount one (31) for driving mandrel (34) along connecting shaft one (311) slide axially to be plugged in the second drive division (37) of axis hole (35).

2. the rolling-up mechanism of plastic bag making machine according to claim 1, it is characterized in that：First drive division (36) includes Belt pulley (361) in connecting shaft one (311) and the servomotor (362) in frame (1), the servo The output shaft of motor (362) is connected on the belt pulley (361) with drive connection axle one (311) periodic rotary by belt.

3. the rolling-up mechanism of plastic bag making machine according to claim 2, it is characterized in that：Rubber is bonded with the mandrel (34) Glue-line (38), when the second drive division (37) driving mandrel (34) is plugged in axis hole (35), the rubber layer (38) is contradicted in skin On the end face of belt wheel (361).

4. the rolling-up mechanism of plastic bag making machine according to claim 1, it is characterized in that：The mandrel (34) is close to axis hole (35) end is formed with the conical surface (341).

5. the rolling-up mechanism of plastic bag making machine according to claim 1, it is characterized in that：Second drive division (37) includes Support (371) on fixed mount one (31), the drive cylinder one (372) on support (371), the drive cylinder one (372) fixed plate (373) is connected with take-off lever, the end of the mandrel (34) is rotatablely installed in the fixed plate (373).

6. the rolling-up mechanism of plastic bag making machine according to claim 1, it is characterized in that：Set on the fixed mount two (32) Have and supporting plate (40), the connecting shaft two are connected with drive cylinder two (39), the take-off lever of the drive cylinder two (39) (321) it is arranged in respectively on fixed mount two (32) and supporting plate (40), the supporting plate (40), which is provided with, is used for fixed connection shaft The bolt (41) of two (321).

7. the rolling-up mechanism of plastic bag making machine according to claim 1, it is characterized in that：The backgauge disk two (322) can turn The dynamic end for being installed on connecting shaft two (321).