CN218256693U

CN218256693U - Extrusion structure is used in production of food level plastic packaging material

Info

Publication number: CN218256693U
Application number: CN202222603031.9U
Authority: CN
Inventors: 宋波涛; 吴燕青; 周美仙
Original assignee: Zhejiang Yongxin Plastic Packaging Co ltd
Current assignee: Zhejiang Yongxin Plastic Packaging Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-10
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses an extrusion structure is used in production of food level plastic packaging material relates to plastic packaging area production field, comprising a base plate, the top of bottom plate is fixed with a plurality of stands, and is a plurality of the top of stand is fixed with same heat transfer case jointly, the rotation hole has all been seted up to the left and right sides outer wall of heat transfer case, the heat transfer incasement is provided with the extrusion subassembly, the extrusion subassembly includes middle section of thick bamboo, middle section of thick bamboo passes through the bearing and rotates to be installed at two rotation downtheholely, heat transfer roof portion is fixed with the inlet tube rather than the intercommunication, heat transfer bottom of the case portion is fixed with the outlet pipe rather than the intercommunication, the bottom plate top is fixed with the heating water tank, install electromagnetic heater in the heating water tank. The utility model discloses a water pump makes the water after the heating constantly follow heat transfer case and heating water tank and carries out the circulation flow, constantly carries out heat treatment to the middle section of thick bamboo, constantly is heated on making the middle section of thick bamboo to plastics can not solidify in advance.

Description

Extrusion structure is used in production of food level plastic packaging material

Technical Field

The utility model belongs to plastic packaging takes production field, especially relates to a production of food level plastic packaging material is with extruding structure.

Background

The packaging bag is widely applied to industries such as medicine and food, when the packaging bag is produced, materials are generally melted by an extruder and then cooled and blown by film blowing equipment, a tubular film is prepared by a traction device and a winding drum device, and the tubular film is prepared into a bag after heat sealing and cutting in the later period.

The spiral extruder is generally used in the production process of the packaging bag, molten raw materials are extruded out for blow molding while the spiral extruder feeds, and plastics can be solidified in advance in a transport cylinder, so that the quality of the processed packaging bag is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an extrusion structure is used in production of food level plastic packaging material, through extrusion structure is used in production of food level plastic packaging material, solved current screw extruder feeding on one side will melt on one side go out the blowing with the raw materials, this has just also leaded to the problem that partly great raw material piece just can't melt completely in very short stroke the inside.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an extrusion structure is used in production of food level plastic packaging material, comprising a base plate, the top of bottom plate is fixed with a plurality of stands, and is a plurality of the top of stand is fixed with same heat transfer case jointly, the rotation hole has all been seted up to the left and right sides outer wall of heat transfer case, be provided with extrusion subassembly in the heat transfer case, extrusion subassembly includes middle section of thick bamboo, middle section of thick bamboo passes through the bearing and rotates to be installed in two rotation holes, heat transfer roof portion is fixed with the inlet tube rather than the intercommunication, heat transfer bottom of the case portion is fixed with the outlet pipe rather than the intercommunication, the bottom plate top is fixed with the heating water tank, install electromagnetic heater in the heating water tank, the bottom of bottom plate is fixed with the water pump, set up between the end of intaking of water pump and the heating water tank and be used for communicateing communicating pipe two between them, set up between the drainage end of water pump and the inlet tube and be used for communicateing one communicating pipe between them.

Furthermore, the extrusion assembly further comprises a feeding barrel and a discharging hopper, wherein the feeding barrel and the discharging hopper are coaxially arranged with the middle barrel, the wall thicknesses of the feeding barrel and the discharging hopper are consistent with the wall thickness of the middle barrel, external rings coaxial with the middle barrel are fixed at two ends of the middle barrel, the feeding barrel and the discharging hopper are respectively rotatably installed on the inner sides of the two external rings through bearings, a first servo motor is fixed on the outer wall of the feeding barrel, a variable pitch screw rod coaxial with the first servo motor is fixed on an output shaft of the first servo motor, the variable pitch screw rod is located in the feeding barrel, the discharging hopper and the middle barrel, a second connecting piece used for fixing the feeding barrel and the heat exchange box is arranged between the feeding barrel and the heat exchange box, and a first connecting piece used for fixing the feeding barrel and the heat exchange box is arranged between the discharging hopper and the heat exchange box.

Furthermore, a plurality of heat dissipation fins integrated with the middle cylinder are arranged on the circumferential outer wall of the middle cylinder.

Furthermore, a second servo motor is fixed at the top of the bottom plate, a driving wheel coaxial with the second servo motor is fixed on an output shaft of the second servo motor, a driven ring coaxial with the middle cylinder is fixed on the outer wall of the middle cylinder, and a transmission belt is sleeved on the driven ring and the driving wheel together.

Furthermore, a feed hopper communicated with the feed cylinder is fixed at the top of the feed cylinder.

Further, the top of feeder hopper is fixed with the agitator tank rather than coaxial setting, the top of agitator tank is fixed with third servo motor, third servo motor's output shaft is fixed with the agitator, the agitator includes the puddler and fixes a plurality of stirring boards on puddler circumference outer wall, the one end of puddler and third servo motor's output shaft coaxial fixation.

The utility model discloses following beneficial effect has:

1. the utility model continuously circulates the heated water from the heat exchange box and the heating water tank through the water pump, and continuously heats the middle cylinder, so that the middle cylinder is continuously heated, and the plastic is not solidified in advance;

2. the utility model drives the stirrer to rotate through the third servo motor, thereby stirring the materials of the stirrer and preventing the materials from blocking;

3. the utility model discloses a first servo motor drives the displacement hob and rotates, and the displacement hob removes the material to a hopper through the rotation.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a first perspective of an extrusion structure for producing a food grade plastic packaging material;

FIG. 2 is a schematic view of a first perspective of an extrusion structure for producing a food grade plastic packaging material;

FIG. 3 is a schematic side sectional view of an extrusion assembly of an extrusion structure for producing food grade plastic packaging material;

fig. 4 is a schematic view of the internal (non-pitch-variable screw) structure of an extrusion structure for producing food-grade plastic packaging materials.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base plate; 2. an extrusion assembly; 201. a first servo motor; 202. a feeding cylinder; 203. a variable pitch screw rod; 204. an external ring; 205. a discharge hopper; 206. an intermediate barrel; 207. a heat dissipating fin; 3. a heat exchange box; 4. a first connecting member; 5. heating the water tank; 6. a first communicating pipe; 7. a second servo motor; 8. a driving wheel; 9. a transmission belt; 10. a second connecting member; 11. a driven ring; 12. a feed hopper; 13. a water pump; 14. a stirring box; 15. a third servo motor; 16. a stirrer; 17. a water outlet pipe; 18. and (4) a water inlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model relates to an extrusion structure is used in production of food level plastic packaging material, comprising a base plate 1, bottom plate 1's top is fixed with a plurality of stands, the top of a plurality of stands is fixed with same heat transfer case 3 jointly, the rotation hole has all been seted up to heat transfer case 3's the left and right sides outer wall, be provided with in the heat transfer case 3 and extrude subassembly 2, it includes middle section of thick bamboo 206 to extrude subassembly 2, middle section of thick bamboo 206 is installed at two rotation holes through bearing rotation, heat transfer case 3 top is fixed with inlet tube 18 rather than the intercommunication, heat transfer case 3 bottom is fixed with outlet pipe 17 rather than the intercommunication, bottom plate 1 top is fixed with heating water tank 5, install electromagnetic heater in the heating water tank 5, bottom plate 1 is fixed with water pump 13, set up between water pump 13's the end of intaking and the heating water tank 5 and be used for communicateing communicating pipe two between them, set up between water pump 13's the drainage end and the inlet tube 18 and be used for communicateing one 6 communicating pipe between them.

The utility model discloses technical scheme: the water pump 13 continuously circulates the heated water from the heat exchange tank 3 and the heating water tank 5, and continuously heats the intermediate cylinder 206, so that the intermediate cylinder 206 is continuously heated, and the plastic is not solidified in advance.

As shown in fig. 1 to 3, the extrusion assembly 2 further includes a feeding barrel 202 and a discharging hopper 205, the feeding barrel 202 and the discharging hopper 205 are both disposed coaxially with the middle barrel 206, the thicknesses of the feeding barrel 202 and the discharging hopper 205 are all consistent with the thicknesses of the three walls of the middle barrel 206, external rings 204 coaxial with the middle barrel 206 are fixed at both ends of the middle barrel 206, the feeding barrel 202 and the discharging hopper 205 are respectively rotatably mounted inside the two external rings 204 through bearings, a first servo motor 201 is fixed on an outer wall of the feeding barrel 202, a variable pitch screw rod 203 coaxial with the first servo motor 201 is fixed on an output shaft of the first servo motor 201, the variable pitch screw rod 203 is located inside the feeding barrel 202, the discharging hopper 205 and the middle barrel 206, a second connecting member 10 for fixing the feeding barrel 202 and the heat exchange box 3 is provided between the feeding barrel 202 and the heat exchange box 3, and a first connecting member 4 for fixing the discharging hopper 205 and the heat exchange box 3 is provided between the discharging hopper 205 and the heat exchange box 3.

As described above, the first servo motor 201 rotates the pitch-variable screw 203, and the pitch-variable screw 203 rotates to move the material toward the hopper 205.

Wherein, as shown in fig. 3, the outer circumferential wall of the intermediate cylinder 206 is provided with a plurality of heat dissipating fins 207 integrally formed therewith.

As described above, the heat dissipation fin 207 is used to enlarge the contact area.

As shown in fig. 3 and 4, a second servo motor 7 is fixed on the top of the bottom plate 1, a driving wheel 8 coaxial with the second servo motor is fixed on an output shaft of the second servo motor 7, a driven ring 11 coaxial with the second servo motor is fixed on the outer wall of the middle cylinder 206, and a transmission belt 9 is sleeved on the driven ring 11 and the driving wheel 8.

Through the above, the second servo motor 7 drives the driving wheel 8 to rotate, the driving wheel 8 drives the driven ring 11 through the driving belt 9, and the driven ring 11 drives the middle cylinder 206 to rotate, so that the middle cylinder 206 can be uniformly heated.

Wherein the top of the feed cylinder 202 is secured with a feed hopper 12 in communication therewith, as shown in figure 4.

As shown in fig. 4, a stirring box 14 coaxially disposed with the feeding hopper 12 is fixed at the top of the feeding hopper 12, a third servo motor 15 is fixed at the top of the stirring box 14, a stirrer 16 is fixed at an output shaft of the third servo motor 15, the stirrer 16 includes a stirring rod and a plurality of stirring plates fixed on the circumferential outer wall of the stirring rod, and one end of the stirring rod is coaxially fixed with the output shaft of the third servo motor 15.

Through the above, the third servo motor 15 drives the stirrer 16 to rotate, so that the stirrer 16 is stirred to prevent the material from blocking.

One specific application of this embodiment is: third servo motor 15 drives agitator 16 and rotates, thereby carry out the material to agitator 16 and stir, prevent the material blocking, water pump 13 makes the water after the heating constantly follow heat transfer case 3 and heating water tank 5 and carries out the circulation flow, constantly carry out heat treatment to middle section of thick bamboo 206, constantly heated on making middle section of thick bamboo 206, thereby plastics can not solidify in advance, second servo motor 7 drives action wheel 8 and rotates, action wheel 8 drives driven ring 11 through drive belt 9, driven ring 11 drives middle section of thick bamboo 206 and rotates, make middle section of thick bamboo 206 thermally equivalent, first servo motor 201 drives displacement hob 203 and rotates, displacement hob 203 removes the material to play hopper 205 through the rotation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a production of food level plastic packaging material is with extruding structure, includes bottom plate (1), its characterized in that: the top of bottom plate (1) is fixed with a plurality of stands, and is a plurality of the top of stand is fixed with same heat transfer case (3) jointly, the rotation hole has all been seted up to the left and right sides outer wall of heat transfer case (3), be provided with in heat transfer case (3) and extrude subassembly (2), it includes middle section of thick bamboo (206) to extrude subassembly (2), middle section of thick bamboo (206) is installed in two rotation holes through bearing rotation, heat transfer case (3) top is fixed with inlet tube (18) rather than the intercommunication, heat transfer case (3) bottom is fixed with outlet pipe (17) rather than the intercommunication, bottom plate (1) top is fixed with heating water tank (5), install electromagnetic heater in heating water tank (5), the bottom of bottom plate (1) is fixed with water pump (13), set up between the inlet end of water pump (13) and heating water tank (5) and be used for communicateing communicating pipe two between them, set up between the drainage end of water pump (13) and inlet tube (18) and be used for communicateing between them communicating pipe (6).

2. The extrusion structure for producing the food-grade plastic packaging material according to claim 1, wherein the extrusion assembly (2) further comprises a feeding cylinder (202) and a discharging hopper (205), the feeding cylinder (202) and the discharging hopper (205) are coaxially arranged with the middle cylinder (206), the feeding cylinder (202) and the discharging hopper (205) have the same wall thickness as the middle cylinder (206), two ends of the middle cylinder (206) are respectively fixed with an outer ring (204) coaxial therewith, the feeding cylinder (202) and the discharging hopper (205) are respectively rotatably mounted inside the two outer rings (204) through bearings, the outer wall of the feeding cylinder (202) is fixed with a first servo motor (201), an output shaft of the first servo motor (201) is fixed with a variable pitch screw rod (203) coaxial therewith, the variable pitch screw rod (203) is located in the feeding cylinder (202), the discharging hopper (205) and the middle cylinder (206), a second heat exchange connector (10) for fixing the feeding cylinder (202) and the discharging hopper (3) is arranged between the feeding cylinder (202) and the discharging hopper (3), and a first heat exchange connector (4) is arranged between the feeding cylinder (205) and the discharging hopper (3).

3. An extrusion structure for producing food-grade plastic packaging material as claimed in claim 1, wherein the outer circumferential wall of said intermediate tube (206) is provided with a plurality of heat dissipating fins (207) integrally formed therewith.

4. An extrusion structure for producing food grade plastic packaging material according to claim 1, characterized in that a second servo motor (7) is fixed on the top of the bottom plate (1), a driving wheel (8) coaxial with the second servo motor is fixed on the output shaft of the second servo motor (7), a driven ring (11) coaxial with the driving wheel is fixed on the outer wall of the middle cylinder (206), and a driving belt (9) is sleeved on the driven ring (11) and the driving wheel (8).

5. An extrusion structure for food grade plastic packaging material production as claimed in claim 2, wherein the top of the feeding cylinder (202) is fixed with a feeding hopper (12) communicating therewith.

6. A food grade plastic packaging material production extrusion structure according to claim 5, characterized in that the top of the feed hopper (12) is fixed with a stirring box (14) coaxially arranged with the feed hopper, the top of the stirring box (14) is fixed with a third servo motor (15), the output shaft of the third servo motor (15) is fixed with a stirrer (16), the stirrer (16) comprises a stirring rod and a plurality of stirring plates fixed on the circumferential outer wall of the stirring rod, and one end of the stirring rod is coaxially fixed with the output shaft of the third servo motor (15).