CN223685860U - A plastic film stretching device - Google Patents

Abstract

This utility model relates to the technical field of plastic film stretching equipment, and in particular to a plastic film stretching device. By incorporating an extrusion device, it facilitates adjustment of the extrusion thickness, improving machine applicability. Furthermore, the extrusion device opens the extrusion position during feeding, making it convenient for workers to place raw materials, thus enhancing machine usability. The device includes a machine body; it also includes an extrusion device, a winding device, a power unit, a fixing device, and an auxiliary feeding device. The extrusion device, winding device, and power unit are all mounted on the machine body, the fixing device is mounted on the power unit, and the auxiliary feeding device is mounted on the fixing device. The machine body provides support. The extrusion device extrudes plastic sheets with adjustable thickness. The winding device, power unit, and fixing device work together to stretch, wind, and transport the plastic film. The auxiliary feeding device facilitates unloading the wound plastic film.

Description

Plastic film stretching device

Technical Field

The utility model relates to the technical field of plastic film stretching equipment, in particular to a plastic film stretching device.

Background

Plastic films are a common packaging material, which is usually produced by stretching a plastic sheet.

In the prior art, for example, a shredding and stretching device for producing extruded plastic films from flexible freight bags is disclosed in the patent CN222100220U, the main structure of the shredding and stretching device comprises a winding mechanism, a stretching mechanism and a cutting mechanism, the winding mechanism winds the plastic films, the stretching mechanism stretches the plastic films, and the cutting mechanism shreds the plastic films.

However, the prior art device still has the following problems that the prior machine stretches the film by clamping the film by two rotating rollers, the stretching thickness is fixed, the applicability of the machine is poor, the prior machine is inconvenient to feed, and the usability of the machine is poor.

Disclosure of utility model

In order to solve the technical problems, the plastic film stretching device is provided, the extrusion thickness is conveniently adjusted by arranging the extrusion device, the applicability of the machine is improved, and the extrusion position is opened during feeding by arranging the extrusion device, so that raw materials can be conveniently placed by workers, and the usability of the machine is improved.

The plastic film stretching device comprises a machine body, and further comprises an extruding device, a winding device, a power device, a fixing device and an auxiliary blanking device, wherein the extruding device, the winding device and the power device are arranged on the machine body, the fixing device is arranged on the power device, the auxiliary blanking device is arranged on the fixing device, the machine body provides support, the extruding device extrudes plastic sheets in an adjustable thickness, and the winding device, the power device and the fixing device are matched to stretch, form, wind and transport the plastic films, so that the auxiliary blanking device can conveniently blanking the wound plastic films.

Preferably, the machine body comprises a plurality of supporting seats, a bottom plate, a first bracket, a second bracket, a third bracket and a fourth bracket, wherein the bottom plate is arranged at the top ends of the supporting seats, and the first bracket, the second bracket, the third bracket and the fourth bracket are all arranged at the top ends of the bottom plate and provide support.

Preferably, the extrusion device comprises a rotary damper, a bearing roller, two lower press rollers, two hydraulic cylinders, two supports five and an upper press roller, wherein the rotary damper is fixedly arranged at the right end of the support one, the bearing roller is rotatably arranged at the right end of the rotary damper, the two lower press rollers are rotatably arranged on the two supports two, the two hydraulic cylinders are respectively arranged on the two supports two, the two supports two are respectively arranged between the two hydraulic cylinders, the two supports five are respectively arranged at the top ends of the two hydraulic cylinders, the upper press roller is rotatably arranged on the two supports five, the bearing roller bears a plastic sheet, the rotary damper provides damping to prevent the bearing roller from freely rotating, the hydraulic cylinders provide power to drive the upper press roller to move in a lifting manner, and the upper press roller is lifted to adjust the extrusion thickness of the plastic sheet, so that plastic films with different specifications can be conveniently produced.

Preferably, the winding device comprises a first speed reducer, a first motor and a winding roller, wherein the first speed reducer is fixedly arranged at the three left ends of the support, the first motor is fixedly arranged at the left end of the first speed reducer, the winding roller is rotatably arranged at the three right ends of the support, the winding roller penetrates through the three support and the first speed reducer to be rotatably connected, the first motor provides power for the winding roller through the speed reducer, the winding roller is provided with a plurality of fixing grooves, the first motor provides power to drive the winding roller to rotate, and the winding roller rotates to stretch and form and wind the plastic film.

Preferably, the power device comprises a motor II, a speed reducer II, a gear I, a gear II, a support II, a linear motor, a support seven, a polished rod, a slide block I and a support eight, wherein the motor II is fixedly arranged at the top end of a bottom plate, the speed reducer II is fixedly arranged at the top end of the motor II, one gear is rotatably arranged at the top end of the speed reducer II, the motor II provides power for the gear I through the speed reducer II, the gear II is rotatably arranged at the top end of the support IV, the gear I and the gear II are meshed with each other, the support six is fixedly arranged at the top end of the gear II, the linear motor and the support seven are arranged at the top end of the support six, the polished rod is arranged on the support seven, the slide block I is slidably arranged on the polished rod, the support eight is arranged at the top ends of the linear motor and the slide block I, the support eight is provided with mounting holes, the motor II provides power to drive the gear I to rotate, the gear I rotates to drive the gear II to power, the linear motor provides power to drive the support eight to reciprocate along the slide block I.

The fixing device comprises a third speed reducer, a third motor, a third bracket, a plurality of sliding blocks II and a plurality of fixing rollers, wherein the third speed reducer is fixedly arranged at the right end of a mounting hole of the eighth bracket, the third motor is fixedly arranged at the third right end of the speed reducer, the third bracket is rotatably arranged in the mounting hole of the eighth bracket and is rotatably connected with the third speed reducer, the third motor provides power through the third bracket nine of the speed reducer, a plurality of sliding rails with equal angular intervals are arranged on the third bracket, the sliding blocks are respectively and slidably arranged on the sliding rails, the fixing rollers are respectively and rotatably arranged at the left ends of the sliding blocks II, the fixing rollers are respectively matched with the fixing grooves of the winding rollers, the third motor provides power to drive the third bracket to rotate, and when the third bracket rotates in the forward direction, the third motor drives the fixing rollers to tighten and rotate, and when the third bracket rotates in the reverse direction, the third motor drives the fixing rollers to stretch and rotate.

Preferably, the auxiliary blanking device comprises a plurality of third sliding blocks and a baffle plate, wherein the third sliding blocks are respectively and detachably arranged at the left ends of the fixed rollers, the baffle plate is arranged on the third sliding blocks and is respectively in sliding fit with the third sliding blocks, and the baffle plate limits the coiled plastic film so as to facilitate the whole coiling of the plastic film.

Compared with the prior art, the extrusion device has the beneficial effects that the extrusion thickness can be adjusted, the extrusion device is suitable for producing plastic films with various specifications, the machine applicability is good, the workers can conveniently place raw materials by opening the extrusion position during feeding, and the machine usability is good.

Drawings

FIG. 1 is a schematic illustration of an axially measured structure of the present utility model;

FIG. 2 is a schematic illustration of an isometric construction of a fuselage;

FIG. 3 is a schematic illustration of an isometric construction of an extrusion device;

FIG. 4 is a schematic diagram of the axial structure of the winding device;

FIG. 5 is a schematic diagram of an isometric construction of a power plant;

FIG. 6 is a schematic illustration of an isometric construction of a fixture;

fig. 7 is a schematic diagram of an axial structure of the auxiliary blanking device.

In the drawing, the device comprises a frame 01, a frame 11, a supporting seat 12, a bottom plate 13, a frame one, a frame 14, a frame two, a frame 15, a frame three, a frame 16, a frame four, a 02, an extruding device 21, a rotary damper 22, a bearing roller 23, a lower pressing roller 24, a hydraulic cylinder 25, a frame five, a frame 26, an upper pressing roller 03, a rolling device 31, a speed reducer one, a motor one, a rolling roller 33, a power device 04, a motor 41, a motor two, a speed reducer 43, a gear one, a gear two, a gear 45, a frame six, a linear motor 46, a linear motor 47, a frame seven, a frame 48, a polished rod 49, a sliding block one, a frame 50, a frame eight, a fixing device 05, a fixing device 51, a speed reducer three, a motor three, a 53, a frame nine, a 54, a sliding block two, a fixed roller 55, an auxiliary blanking device 61, a sliding block three, a sliding block 62 and a baffle.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 1, comprises a body 01; the plastic film winding machine further comprises an extruding device 02, a winding device 03, a power device 04, a fixing device 05 and an auxiliary blanking device 06, wherein the extruding device 02, the winding device 03 and the power device 04 are all arranged on the machine body 01, the fixing device 05 is arranged on the power device 04, the auxiliary blanking device 06 is arranged on the fixing device 05, the machine body 01 provides support, the extruding device 02 extrudes the plastic film with adjustable thickness, and the winding device 03, the power device 04 and the fixing device 05 are matched to stretch, form, wind and transport the plastic film, so that the auxiliary blanking device 06 is convenient for blanking the wound plastic film;

as shown in fig. 2, the body 01 includes a plurality of supporting seats 11, a bottom plate 12, a first bracket 13, two second brackets 14, a third bracket 15 and a fourth bracket 16, the bottom plate 12 is mounted on top of the plurality of supporting seats 11, and the first bracket 13, the two second brackets 14, the third bracket 15 and the fourth bracket 16 are all mounted on top of the bottom plate 12;

As shown in fig. 3, the extruding device 02 includes a rotary damper 21, a carrying roller 22, two lower press rollers 23, two hydraulic cylinders 24, two fifth brackets 25 and an upper press roller 26, the rotary damper 21 is fixedly installed at the right end of the first bracket 13, the carrying roller 22 is rotatably installed at the right end of the rotary damper 21, the two lower press rollers 23 are rotatably installed on the second brackets 14, the two hydraulic cylinders 24 are respectively installed on the second brackets 14, the second brackets 14 are respectively located between the two hydraulic cylinders 24, the fifth brackets 25 are respectively installed at the top ends of the two hydraulic cylinders 24, and the upper press roller 26 is rotatably installed on the fifth brackets 25;

As shown in fig. 4, the winding device 03 includes a first speed reducer 31, a first motor 32 and a winding roller 33, the first speed reducer 31 is fixedly installed at the left end of the third bracket 15, the first motor 32 is fixedly installed at the left end of the first speed reducer 31, the winding roller 33 is rotatably installed at the right end of the third bracket 15, the winding roller 33 passes through the third bracket 15 and is rotatably connected with the first speed reducer 31, the first motor 32 provides power for the winding roller 33 through the first speed reducer 31, and a plurality of fixing grooves are formed in the winding roller 33;

As shown in fig. 5, the power device 04 includes a second motor 41, a second speed reducer 42, a first gear 43, a second gear 44, a sixth support 45, a linear motor 46, a seventh support 47, a polish rod 48, a first slider 49 and an eighth support 50, wherein the second motor 41 is fixedly mounted on the top end of the base plate 12, the second speed reducer 42 is fixedly mounted on the top end of the second motor 41, the first gear 43 is rotatably mounted on the top end of the second speed reducer 42, the second motor 41 provides power for the first gear 43 through the second speed reducer 42, the second gear 44 is rotatably mounted on the top end of the fourth support 16, the first gear 43 and the second gear 44 are meshed with each other, the sixth support 45 is fixedly mounted on the top end of the second gear 44, the linear motor 46 and the seventh support 47 are mounted on the sixth support 45, the polish rod 48 is mounted on the seventh support 47, the first slider 49 is slidably mounted on the polish rod 48, the eighth support 50 is mounted on the top end of the linear motor 46 and the first slider 49, and the eighth support 50 is provided with mounting holes;

As shown in fig. 6, the fixing device 05 includes a third reducer 51, a third motor 52, a ninth bracket 53, a plurality of second sliders 54 and a plurality of fixing rollers 55, the third reducer 51 is fixedly installed at the right end of the installation hole of the eighth bracket 50, the third motor 52 is fixedly installed at the right end of the third reducer 51, the ninth bracket 53 is rotatably installed in the installation hole of the eighth bracket 50, the ninth bracket 53 is rotatably connected with the third reducer 51, the third motor 52 provides power for the ninth bracket 53 through the third reducer 51, a plurality of sliding rails with equal angular intervals are arranged on the ninth bracket 53, the second sliders 54 are respectively slidably installed on the sliding rails, the fixing rollers 55 are respectively rotatably installed at the left ends of the second sliders 54, and the fixing rollers 55 are respectively adapted to the fixing grooves of the winding roller 33;

Firstly, plastic sheets are placed on a bearing roller 22, a rotary damper 21 provides damping to prevent the bearing roller 22 from freely rotating, then the plastic sheets pass through a lower press roller 23 and an upper press roller 26, then a hydraulic cylinder 24 is opened, the hydraulic cylinder 24 provides power to drive the upper press roller 26 to move up and down, the upper press roller 26 adjusts extrusion thickness of the plastic sheets in a lifting manner, plastic films with different specifications are conveniently produced, then partial plastic sheets with the front ends not extruded and stretched are removed, the stretched plastic films are wound on a winding roller 33, at the moment, a motor I32, a motor II 41, a linear motor 46 and a motor III 52 are opened, the motor I32 provides power to drive the winding roller 33 to rotate, the motor II 41 provides power to drive the driving gear I43 to rotate, the gear I43 rotates to drive the gear II 44 to rotate, the linear motor 46 provides power to drive a bracket II 50 to reciprocate along a sliding block I49, a motor III 52 provides power to drive a bracket III 53 to rotate, the motor II 41 and the linear motor 46 to insert a fixed roller 55 into the winding roller 33, then the motor I32 and III 52 cooperates with the motor III 52 to drive the winding roller 33 and the bracket III 53 to rotate reversely, the fixed roller 55 is enabled to rotate, the fixed roller 55 and the winding roller III is inserted into the fixed roller 55 and the fixed slot 33 and the fixed slot 55 is automatically rotated, and the fixed roller III is rotated and the fixed film is simultaneously fixed to rotate and the fixed film is drawn and fixed by the fixed roller 53 and rotated and the fixed roller III and 53 rotates.

Example 2

Further comprises the following steps on the basis of the embodiment 1:

As shown in fig. 7, the auxiliary blanking device 06 includes a plurality of third sliders 61 and a baffle 62, the third sliders 61 are detachably mounted on the left ends of the plurality of fixed rollers 55, the baffle 62 is mounted on the third sliders 61, and the baffle 62 is slidably engaged with the third sliders 61;

first, a plastic sheet is placed on the carrying roller 22, the rotation damper 21 provides damping, prevents the carrying roller 22 from freely rotating, then the plastic sheet passes through the lower press roller 23 and the upper press roller 26, then the hydraulic cylinder 24 is opened, the hydraulic cylinder 24 provides power to drive the upper press roller 26 to move up and down, the upper press roller 26 adjusts the extrusion thickness of the plastic sheet up and down, so that plastic films with different specifications can be produced conveniently, then removing the part of the plastic sheet with the front end not extruded and stretched, and winding the stretched plastic film on the winding roller 33, at the moment, opening the motor I32, the motor II 41, the linear motor 46 and the motor III 52, supplying power to the motor I32, driving the winding roller 33 to rotate, supplying power to the motor II 41, driving the gear I43 to rotate, driving the gear II 44 to rotate, supplying power to the linear motor 46, driving the bracket II 50 to reciprocate along the slide block I49, supplying power to the motor III 52, driving the bracket III 53 to rotate, matching the motor II 41 and the linear motor 46 to insert the fixed roller 55 into the winding roller 33, then the motor one 32 and the motor three 52 are matched to drive the wind-up roller 33 and the bracket nine 53 to reversely rotate, so that the fixed roller 55 is opened, at the moment, the plastic film is inserted into the gaps between the fixed roller 55 and the fixed groove, then the bracket nine 53 and the wind-up roller 33 are rotated in the same direction to drive the fixed roller 55 to tighten and rotate, the plastic film starts to be wound, after winding is completed, the bracket nine 53 and the wind-up roller 33 are rotated in opposite directions to loosen the fixed part of the plastic film, meanwhile, the second motor 41 and the linear motor 46 cooperate to draw out the fixed roller 55 and point to the blanking direction, the automatic blanking of the plastic film can be completed, and the baffle 62 limits the coiled plastic film at the moment, so that the coiled plastic film is convenient to coil out.

As shown in fig. 1 to 7, in operation, a plastic film stretching apparatus of the present utility model firstly places a plastic sheet on a carrying roller 22, a rotation damper 21 provides damping to prevent the carrying roller 22 from freely rotating, then makes the plastic sheet pass through a lower pressing roller 23 and an upper pressing roller 26, then opens a hydraulic cylinder 24, the hydraulic cylinder 24 provides power to drive the upper pressing roller 26 to move up and down, the upper pressing roller 26 moves up and down to adjust the extrusion thickness of the plastic sheet, so as to conveniently produce plastic films of different specifications, then removes a part of the plastic sheet with the front end not extruded and stretched, then winds the stretched plastic film on a winding roller 33, at this time, opens a first motor 32, a second motor 41, a linear motor 46 and a third motor 52, the first motor 32 provides power to drive the winding roller 33 to rotate, the second motor 41 provides power to drive a first gear 43 to rotate, the gear one 43 rotates to drive the gear two 44 to rotate, the linear motor 46 provides power to drive the bracket eight 50 to reciprocate along the sliding block one 49, the motor three 52 provides power to drive the bracket nine 53 to rotate, the motor two 41 and the linear motor 46 cooperate to insert the fixed roller 55 into the winding roller 33, then the motor one 32 and the motor three 52 cooperate to drive the winding roller 33 and the bracket nine 53 to reversely rotate to open the fixed roller 55, at the moment, the plastic film is inserted into the gap between the fixed roller 55 and the fixed slot, then the bracket nine 53 and the winding roller 33 are caused to rotate in the same direction to drive the fixed roller 55 to tighten and rotate, the plastic film starts to be wound, the bracket nine 53 and the winding roller 33 reversely rotate after winding is completed, the fixed part of the plastic film is loosened, meanwhile, the motor two 41 and the linear motor 46 cooperate to draw the fixed roller 55 and point to the blanking direction, and the automatic blanking of the plastic film can be completed, at this time, the baffle 62 limits the coiled plastic film, so that the coiled plastic film is convenient to be coiled.

The rotary damper 21, the two hydraulic cylinders 24, the first motor 32, the second motor 41, the first gear 43, the second gear 44, the linear motor 46 and the third motor 52 of the present utility model are purchased from the market, and those skilled in the art only need to install and operate according to the attached instructions without the need for creative efforts of those skilled in the art.

The machine has the main functions of conveniently adjusting the extrusion thickness by arranging the extrusion device 02, improving the applicability of the machine, opening the extrusion position during feeding by arranging the extrusion device 02, facilitating the placement of raw materials by workers and improving the usability of the machine, and solves the problems in the prior art that the existing machine stretches the film by clamping the film by two rotating rollers, the stretching thickness is fixed, the applicability of the machine is poor, the feeding is inconvenient to perform, and the usability of the machine is poor.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (7)

1. A plastic film stretching device comprises a machine body (01) and is characterized by further comprising an extrusion device (02), a winding device (03), a power device (04), a fixing device (05) and an auxiliary blanking device (06), wherein the extrusion device (02), the winding device (03) and the power device (04) are all arranged on the machine body (01), the fixing device (05) is arranged on the power device (04), the auxiliary blanking device (06) is arranged on the fixing device (05), the machine body (01) provides support, the extrusion device (02) extrudes plastic sheets with adjustable thickness, the winding device (03), the power device (04) and the fixing device (05) are matched to stretch, form, wind and transport the plastic films, and the auxiliary blanking device (06) is convenient to blanking the wound plastic films.

2. A plastic film stretching apparatus as set forth in claim 1, wherein the body (01) comprises a plurality of support bases (11), a base plate (12), a first bracket (13), two second brackets (14), a third bracket (15) and a fourth bracket (16), the base plate (12) is mounted on top of the plurality of support bases (11), and the first bracket (13), the two second brackets (14), the third bracket (15) and the fourth bracket (16) are all mounted on top of the base plate (12).

3. A plastic film stretching device as claimed in claim 2, characterized in that the extruding device (02) comprises a rotary damper (21), a bearing roller (22), two lower press rollers (23), two hydraulic cylinders (24), two support five (25) and an upper press roller (26), wherein the rotary damper (21) is fixedly arranged at the right end of the support one (13), the bearing roller (22) is rotatably arranged at the right end of the rotary damper (21), the two lower press rollers (23) are rotatably arranged on the two support two (14), the two hydraulic cylinders (24) are respectively arranged on the two support two (14), the two support two (14) are respectively arranged between the two hydraulic cylinders (24), the two support five (25) are respectively arranged at the top ends of the two hydraulic cylinders (24), and the upper press roller (26) is rotatably arranged on the two support five (25).

4. A plastic film stretching apparatus as claimed in claim 2, wherein the winding apparatus (03) comprises a first speed reducer (31), a first motor (32) and a winding roller (33), the first speed reducer (31) is fixedly mounted at the left end of the third support (15), the first motor (32) is fixedly mounted at the left end of the first speed reducer (31), the winding roller (33) is rotatably mounted at the right end of the third support (15), the winding roller (33) passes through the third support (15) and is rotatably connected with the first speed reducer (31), the first motor (32) provides power for the winding roller (33) through the first speed reducer (31), and a plurality of fixing grooves are formed in the winding roller (33).

5. A plastic film stretching apparatus as set forth in claim 2, wherein the power unit (04) comprises a motor two (41), a speed reducer two (42), a gear two (43), a gear two (44), a rack six (45), a linear motor (46), a rack seven (47), a polish rod (48), a slide block one (49) and a rack eight (50), the motor two (41) is fixedly mounted on the top end of the bottom plate (12), the speed reducer two (42) is fixedly mounted on the top end of the motor two (41), the gear one (43) is rotatably mounted on the top end of the speed reducer two (42), the motor two (41) provides power to the gear one (43) through the speed reducer two (42), the gear two (44) is rotatably mounted on the top end of the rack four (16), and the gear one (43) and the gear two (44) are meshed with each other, the rack six (45) is fixedly mounted on the top end of the gear two (44), the linear motor (46) and the rack seven (47) are mounted on the top end of the rack six (45), the polish rod (48) is mounted on the rack seven (47), the slide block one (49) is slidably mounted on the motor two (49) and the rack eight (50) is mounted on the top end of the rack.

6. The plastic film stretching apparatus as set forth in claim 5, wherein the fixing means (05) comprises a decelerator three (51), a motor three (52), a bracket nine (53), a plurality of second sliders (54) and a plurality of fixing rollers (55), the decelerator three (51) is fixedly installed at the right end of the installation hole of the bracket eight (50), the motor three (52) is fixedly installed at the right end of the decelerator three (51), the bracket nine (53) is rotatably installed in the installation hole of the bracket eight (50), and the bracket nine (53) and the decelerator three (51) are rotatably connected, the motor three (52) provides power to the bracket nine (53) through the decelerator three (51), a plurality of equiangular interval sliding rails are provided on the bracket nine (53), the plurality of second sliders (54) are respectively slidably installed on the plurality of sliding rails, the plurality of fixing rollers (55) are respectively rotatably installed at the left end of the plurality of second sliders (54), and the plurality of fixing rollers (55) are respectively adapted to the plurality of fixing grooves of the winding roller (33).

7. A plastic film stretching apparatus as set forth in claim 6, wherein said auxiliary blanking device (06) comprises a plurality of slider three (61) and a shutter (62), the plurality of slider three (61) are detachably mounted at left ends of the plurality of fixing rollers (55), respectively, the shutter (62) is mounted on the plurality of slider three (61), and the shutter (62) is slidably fitted with the plurality of slider three (61), respectively.