CN211165309U - A twin-screw PVC multi-layer film blowing machine - Google Patents

Abstract

The utility model relates to the technical field of twin-screw film blowing. The twin-screw PVC multi-layer film blowing machine comprises a feeding hopper, a drive motor is fixedly installed at one end of the fixed base, and an output shaft of the drive motor is fixedly installed with a driving gear A section of the driving gear is meshed with a reduction gear, both sides of the reduction gear are meshed with a transmission gear, a screw is fixedly installed in the middle of the transmission gear, and one end of the screw away from the transmission gear is fixedly connected to the organic head. The advantages of the utility model are: the double-screw PVC multi-layer film blowing machine, through the gear transmission, the reduction gear drives the two transmission gears to rotate, the two transmission gears drive the two screws to rotate through the connecting key, and the The two discharge ports make the material enter the screw, process the material through the screw, and transport the processed material to the inside of the machine head through the two screws, so that the two screws can effectively reduce the processing time and improve the processing efficiency.

Description

A twin-screw PVC multi-layer film blowing machine

technical field

The utility model relates to the technical field of twin-screw film blowing, in particular to a twin-screw PVC multilayer film blowing machine.

Background technique

The film blowing machine is a mechanical device that heats and melts plastic particles and then blows them into a film. The production process and production principle of the film blowing machine are to add dry polyethylene particles into the lower hopper, and rely on the weight of the particles themselves to enter the screw from the hopper. After contacting with the beveled edge of the thread, the rotating beveled edge generates a thrust perpendicular to the beveled surface of the plastic, and pushes the plastic particles forward. The collision friction, and at the same time, it gradually melts due to the external heating of the barrel. The molten plastic is filtered by the machine head to remove impurities and comes out from the die mouth of the die head. However, there are still some problems in the existing multi-layer film blowing machine:

1. Most of the existing multi-layer film blowing machines are single screw, which has long processing time and low processing efficiency;

2. The replacement of the filter head of the existing multi-layer film blowing machine is very inconvenient, which affects the efficiency of processing. The long use time of the head will lead to a decrease in the efficiency of the head.

Utility model content

The purpose of the utility model is to overcome the shortcomings of the prior art and provide a twin-screw PVC multilayer film blowing machine.

The purpose of the utility model is achieved through the following technical solutions: a twin-screw PVC multi-layer film blowing machine, comprising a fixed base, a feeding hopper is fixedly connected to the top of one end of the fixed base, and one end of the fixed base is fixedly installed with a feeding hopper. Drive motor, the output shaft of the drive motor is fixedly installed with a driving gear, a section of the driving gear is meshed with a reduction gear, both sides of the reduction gear are meshed with a transmission gear, and a screw is fixedly installed in the middle of the transmission gear, so The end of the screw rod away from the transmission gear is fixedly connected to the machine head, the inner part of the fixed base close to the end of the machine head is inserted with a rotating shaft, the middle part of the rotating shaft is sleeved with a protective door, and the end of the protective door away from the rotating shaft is rotatably connected with a card The top end of the die head is fixedly connected with an extrusion die, the end of the extrusion die away from the fixed base is fixedly connected with a cooling air ring, and the end of the fixed base away from the feed hopper is fixedly connected with a support frame One end of the support frame away from the fixed base is fixedly connected to the herringbone frame, one end of the support frame away from the herringbone frame is rotatably connected with a traction roller, and one end of the support frame is rotatably connected with a receiving shaft.

Optionally, the top of the fixed base is provided with a groove adapted to the feeding hopper, the top of one end of the fixed base is provided with a notch adapted to the drive motor, and the middle of one end of the fixed base rotates. A support shaft matched with the reduction gear is connected, and the bottom of one end of the fixed base is provided with a through hole matched with the screw rod.

Optionally, the inside of the feed hopper is provided with a conical partition, and the bottom of the feed hopper is provided with two discharge ports.

Optionally, the drive motor and the driving gear are connected by a key, and the reduction gear and the support shaft in the middle of the fixed base are connected by a key.

Optionally, there are two transmission gears and two screws, and the two transmission gears are respectively connected with the two screws through keys.

Optionally, one end of the fixed base is provided with a groove adapted to the machine head, the interior of the fixed base is provided with a slotted hole adapted to the rotating shaft, and the top of the fixed base is provided with an extrusion and extrusion hole. The through hole that the die head is suitable for.

Optionally, one end of the protective door is provided with a through hole adapted to the rotating shaft, the other end of the protective door is provided with a notch adapted to the clamping block, and one side of the fixed base is provided with and The card slot is adapted to the card block, and the card block and the fixed base are mutually clipped through the card slot.

Optionally, the middle part of the support frame is provided with a card slot that is adapted to the chevron frame, and the top end of the support frame is provided with a slot hole adapted to the traction roller and the receiving shaft, and the chevron frame is provided. Above the cooling air ring.

The utility model has the following advantages:

1. In this twin-screw PVC multi-layer film blowing machine, by starting the driving motor, the driving motor drives the driving gear to rotate through the connecting key, the driving gear drives the reduction gear to rotate through the gear transmission, and the reduction gear drives the two transmission gears to rotate through the gear transmission. , so that the two transmission gears drive the two screws to rotate through the connecting key, and at the same time, the material is fed into the feeding hopper, and the material is fed into the screw through the two discharge ports at the bottom of the feeding hopper, and the material is processed through the screw. The screw conveys the processed material to the inside of the machine head, so that the two screws can effectively reduce the processing time and improve the processing efficiency.

2. In this twin-screw PVC multi-layer film blowing machine, turn the protective door, make the protective door rotate along the rotating shaft, close the protective door and the fixed base, and make the card block into the card slot of the fixed base, and the card block is locked through the card slot. The protective door is then fixed, and the machine head inside the fixed base is protected by the protective door. Similarly, when the machine head needs to be replaced, the clamping block is pulled out from the clamping slot of the fixed base to release the blocking block. The door is fixed, and the protective door is turned to open the protective door, which can reduce the difficulty of replacing the machine head, prevent the machine head from being used for a long time, reduce the processing efficiency, and improve the processing efficiency.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the partial structure schematic diagram of the present utility model;

Fig. 3 is the structural representation of the protective door of the present utility model;

4 is a schematic structural diagram of a support frame of the present invention;

Fig. 5 is the structural representation of the screw of the utility model;

FIG. 6 is a schematic cross-sectional structure diagram of the feeding hopper of the present invention.

In the picture: 1-fixed base, 2-feed hopper, 3-drive motor, 4-drive gear, 5-reduction gear, 6-transmission gear, 7-screw, 8-machine head, 9-rotating shaft, 10-protection Door, 11-block, 12-extrusion die, 13-cooling air ring, 14-support frame, 15-herringbone frame, 16-traction roller, 17-receiving shaft.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings, but the protection scope of the present utility model is not limited to the following.

As shown in Figure 1-6, a twin-screw PVC multi-layer film blowing machine includes a fixed base 1, a feeding hopper 2 is fixedly connected to the top of one end of the fixed base 1, and a drive motor 3 is fixedly installed at one end of the fixed base 1 , the output shaft of the drive motor 3 is fixedly installed with a driving gear 4, a section of the driving gear 4 is meshed with a reduction gear 5, both sides of the reduction gear 5 are meshed with a transmission gear 6, and the middle of the transmission gear 6 is fixedly installed with a screw 7, and the screw 7 is far away from One end of the transmission gear 6 is fixedly connected to the machine head 8, the inner part of the fixed base 1 close to the machine head 8 is inserted with a rotating shaft 9, the middle of the rotating shaft 9 is sleeved with a protective door 10, and the end of the protective door 10 away from the rotating shaft 9 is rotated and connected with a card Block 11, an extrusion die 12 is fixedly connected to the top of the machine head 8, a cooling air ring 13 is fixedly connected to one end of the extrusion die 12 away from the fixed base 1, and one end of the fixed base 1 away from the feed hopper 2 is fixedly connected to The support frame 14, one end of the support frame 14 away from the fixed base 1 is fixedly connected to the herringbone frame 15, one end of the support frame 14 away from the herringbone frame 15 is rotatably connected with a traction roller 16, and one end of the support frame 14 is rotated and connected with a receiving shaft 17, The top of the fixed base 1 is provided with a groove that matches the feeding hopper 2, the top of one end of the fixed base 1 is provided with a notch that matches the drive motor, and the middle of one end of the fixed base 1 is rotatably connected with a reduction gear 5. The corresponding supporting shaft, the bottom of one end of the fixed base 1 is provided with a through hole that matches the screw 7, the inside of the feeding hopper 2 is provided with a conical partition, and the bottom of the feeding hopper 2 is provided with two outlet ports. The feeding port is used to feed the two screws 7 at the same time. The drive motor 3 and the driving gear 4 are connected by a key. The reduction gear 5 is connected with the support shaft in the middle of the fixed base 1 by a key. There are two transmission gears 6 and screws 7. The transmission gears 6 are respectively connected with the two screws 7 by keys. One end of the fixed base 1 is provided with a groove that is adapted to the machine head 8, and the interior of the fixed base 1 is provided with a slot that is adapted to the rotating shaft 9. The top of the base 1 is provided with a through hole that is compatible with the extrusion die 12, one end of the protective door 10 is provided with a through hole that is compatible with the rotating shaft 9, and the other end of the protective door 10 is provided with a matching block 11. The matching slot, one side of the fixed base 1 is provided with a card slot that matches the card block 11, the card block 11 and the fixed base 1 are connected to each other through the card groove, and the card block 11 is fixed through the card groove. The middle part of 14 is provided with a card slot that is adapted to the herringbone frame 15, the top of the support frame 14 is provided with a slot that is adapted to the traction roller 16 and the receiving shaft 17, and the herringbone frame 15 is located at the cooling air ring 13. above.

The working process of the utility model is as follows: when the twin-screw PVC multi-layer film blowing machine is in use, the user starts the driving motor 3, so that the driving motor 3 drives the driving gear 4 to rotate through the connecting key, and the driving gear 4 drives the deceleration through the gear transmission. The gear 5 rotates, and the reduction gear 5 drives the two transmission gears 6 to rotate through the gear transmission, so that the two transmission gears 6 drive the two screws 7 to rotate through the connecting key. The two discharge ports at the bottom make the material enter the screw 7, process the material through the screw 7, and transport the processed material to the inside of the machine head 8 through the two screws 7, so that the processing time can be effectively reduced by the two screws 7 , to improve the processing efficiency, the double-screw PVC multi-layer film blowing machine rotates the protective door 10, so that the protective door 10 rotates along the rotating shaft 9, closes the protective door 10 and the fixed base 1, and makes the block 11 clip into the fixed base 1 In the card slot, the card block 11 is clamped by the card slot, and then the protective door 10 is fixed, and the protective door 10 protects the machine head 8 inside the fixed base 1. The clamping block 11 is pulled out from the clamping slot of the fixed base 1, the fixing of the clamping block 11 to the protective door 10 is released, and the protective door 10 is opened by rotating the protective door 10, thereby reducing the difficulty of replacing the machine head 8 and avoiding the use of the machine head 8. If the time is too long, the processing efficiency will be reduced and the processing efficiency will be improved.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides a double screw PVC multilayer inflation film manufacturing machine, includes unable adjustment base (1), its characterized in that: the top of one end of the fixed base (1) is fixedly connected with a feed hopper (2), one end of the fixed base (1) is fixedly provided with a driving motor (3), an output shaft of the driving motor (3) is fixedly provided with a driving gear (4), one section of the driving gear (4) is meshed with a reduction gear (5), two sides of the reduction gear (5) are meshed with transmission gears (6), the middle of each transmission gear (6) is fixedly provided with a screw rod (7), one end of each screw rod (7), far away from the corresponding transmission gear (6), is fixedly connected with a machine head (8), a rotating shaft (9) is inserted into the inner part of one end, close to the machine head (8), of the fixed base (1), the middle of the rotating shaft (9) is sleeved with a protective door (10), one end, far away from the rotating shaft (9), of the protective door (10) is rotatably connected with a clamping block (, the cooling air ring (13) is fixedly connected to one end, far away from the fixed base (1), of the extrusion die head (12), a support frame (14) is fixedly connected to one end, far away from the feed hopper (2), of the fixed base (1), a propeller strut (15) is fixedly connected to one end, far away from the propeller strut (15), of the support frame (14), a traction roller (16) is rotatably connected to one end, far away from the propeller strut (15), of the support frame (14), and a material receiving shaft (17) is rotatably connected to one end of the support frame (14).

2. The twin-screw PVC multilayer inflation film manufacturing machine of claim 1, wherein: the recess with feeder hopper (2) looks adaptation is seted up at the top of unable adjustment base (1), the notch with driving motor looks adaptation is seted up at the top of unable adjustment base (1) one end, the middle part of unable adjustment base (1) one end is rotated and is connected with the back shaft with reduction gear (5) looks adaptation, the through-hole with screw rod (7) looks adaptation is seted up to the bottom of unable adjustment base (1) one end.

3. The twin-screw PVC multilayer inflation film manufacturing machine of claim 1, wherein: the inside of feeder hopper (2) is provided with conical baffle, two discharge gates have been seted up to the bottom of feeder hopper (2).

4. The twin-screw PVC multilayer inflation film manufacturing machine of claim 1, wherein: the driving motor (3) is connected with the driving gear (4) through a key, and the reduction gear (5) is connected with the supporting shaft in the middle of the fixed base (1) through a key.

5. The twin-screw PVC multilayer inflation film manufacturing machine of claim 1, wherein: the two transmission gears (6) and the two screw rods (7) are connected with each other through keys respectively, and the two transmission gears (6) are connected with the two screw rods (7) through the keys respectively.

6. The twin-screw PVC multilayer inflation film manufacturing machine of claim 1, wherein: the groove matched with the machine head (8) is formed in one end of the fixed base (1), a slotted hole matched with the rotating shaft (9) is formed in the fixed base (1), and a through hole matched with the extrusion die head (12) is formed in the top of the fixed base (1).

7. The twin-screw PVC multilayer inflation film manufacturing machine of claim 1, wherein: the through-hole with pivot (9) looks adaptation is seted up to the one end of guard gate (10), the notch with fixture block (11) looks adaptation is seted up to the other end of guard gate (10), the draw-in groove with fixture block (11) looks adaptation is seted up to one side of unable adjustment base (1), fixture block (11) and unable adjustment base (1) are through the mutual joint of draw-in groove.

8. The twin-screw PVC multilayer inflation film manufacturing machine of claim 1, wherein: the middle part of the support frame (14) is provided with a clamping groove matched with the propeller strut (15), the top end of the support frame (14) is provided with a slotted hole matched with the traction roller (16) and the material receiving shaft (17), and the propeller strut (15) is positioned above the cooling air ring (13).

Images