Semi-automatic film rolling device of film blowing machine

Abstract

The utility model discloses a semi-automatic film rolling device of a film blowing machine, which relates to the technical field of plastic manufacturing, and comprises a base, the front end of the outer top surface of the base is provided with a through straight opening, the rear end of the outer top surface is fixedly provided with a support plate, and the outer wall of the front side of the support plate is rotatably provided with a guide roller and a wind-up roller respectively; the winding roller is sleeved with a paper tube, and a clamping assembly used for limiting the front end and the rear end of the paper tube is arranged in the winding roller. The two-way lead screw, the sliding block, the square block and the abutting block are matched with one another, the two ends of paper tubes with different lengths can be clamped, the situation that the paper tubes shake and fall off during rotation is avoided, and therefore the working efficiency of film rolling is improved, and meanwhile under the combined action of the round hole, the sliding rod, the first bevel edge and the second bevel edge, the paper tubes are not prone to falling off. And the abutting block retracts into the annular cavity, so that the paper tube is conveniently taken out, and the use flexibility is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastics manufacturing, especially to a semi-automatic film winding device of a film blowing machine. BACKGROUND

[0002] The film blowing machine is a machine for blowing thin film after melting plastic particles. The film can be widely applied to light and heavy packaging, such as various fresh fruits, meat food, and medical supplies, due to its good barrier property, preservation, moisture resistance, frost protection, oxygen isolation, and oil resistance. In the production process of plastic film, winding equipment is usually needed for winding operation. For the winding work of the film produced by the film blowing machine, a paper tube is usually sleeved on a shaft that is detachable from the frame of the film blowing machine. With the driving of the power assembly, the shaft rotates at a fixed position on the frame of the film blowing machine to realize the winding of the film. Each full roll of plastic film needs to be taken off.

[0003] For example, a semi-automatic film winding device of a film blowing machine is disclosed in Chinese Patent (Publication No. CN219823100U), which includes a base, a support frame and a vertical plate fixedly connected to the top of the base, a first motor fixedly connected to the top of the support frame, and a winding roller fixedly connected to the output shaft of the first motor.

[0004] However, in the above-mentioned publication, the full roll of plastic film can be pushed out from the outside of the winding roller at a constant speed without the need for the user to manually take it off, thereby reducing the labor intensity of the user. However, in the use of the patent, since there is no clamping assembly for positioning the two ends of the paper tube, the paper tube is prone to shaking and falling off during the rotation of the film winding, thereby affecting the working efficiency of the film winding. Therefore, the technical personnel in the field provide a semi-automatic film winding device of a film blowing machine to solve the problem raised in the above background technology. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a semi-automatic film winding device of a film blowing machine, which solves the problem raised in the above background technology that the lack of a clamping assembly for positioning the two ends of the paper tube causes the paper tube to easily shake and fall off during the rotation of the film winding, thereby affecting the working efficiency of the film winding.

[0006] To achieve the above-mentioned purposes, the utility model is implemented by the following technical solutions: a semi-automatic film winding device of a film blowing machine, including a base, a straight open mouth in a through type is opened in the outer top surface of the base, and a support plate is fixedly installed at the rear end of the outer top surface, a guide roller and a winding roller are rotatably installed on the front side outer wall of the support plate, a paper tube is sleeved outside the winding roller, and a clamping assembly for limiting the front and rear ends of the paper tube is arranged inside the winding roller.

[0007] The straight open mouth is internally provided with a bottom plate, and a moving assembly for moving out the paper cylinder with completed film winding is arranged on the outer top surface of the bottom plate;

[0008] Wherein, the clamping assembly comprises an annular cavity opened in the winding roller, upper and lower ends of the outer peripheral surface of the winding roller are both provided with transverse notches which are mutually penetrated with the annular cavity, the inner walls of the front and back sides of the annular cavity are both provided with a double-way screw rod which is commonly rotatably installed, the outer peripheral surface of the double-way screw rod is provided with a sliding block which is threadedly connected at both ends, the outer surfaces of both sliding blocks are both provided with a square block which is fixedly installed at the upper and lower ends, the inner sides of both transverse notches are both symmetrically provided with an abutting block, the outer surfaces of both square blocks which are close to the abutting blocks are both provided with a circular hole, and the inner sides of the circular holes are both slidably connected with a sliding rod, one end of both sliding rods is extended to the outside of the square block and is fixed with the abutting block, and the other end is fixedly connected with the inner bottom end of the circular hole through a reset spring.

[0009] As a further technical scheme of the present application, the front end of the double-way screw rod is extended to the front outer wall of the winding roller, and a knob and a limiting plate are fixedly installed on the outer peripheral surface, respectively, the outer side wall of the limiting plate is threadedly fixed with the front outer wall of the winding roller through a positioning screw rod, and two guide rods one are commonly fixedly installed on the inner walls of the front and back sides of the annular cavity and at the left and right ends of the double-way screw rod, and the left and right ends of both sliding blocks are slidably sleeved on the outer peripheral surfaces of the two guide rods one.

[0010] As a further technical scheme of the present application, the outer side walls of the opposite abutting blocks are both provided with an inclined edge one which is inclined, the inner walls of the front and back sides of both transverse notches are both provided with an inclined edge two which is matched with the inclined edge one, and the outer surfaces of both abutting blocks which are close to the square blocks are slidably connected with the guide rods two which are symmetrically arranged.

[0011] As a further technical scheme of the present application, the moving assembly comprises an electric push rod which is fixedly installed at the center position of the outer top surface of the bottom plate, a receiving plate which is fixedly installed at the output end of the electric push rod, an arc-shaped recess which is opened on the outer top surface of the receiving plate, two cylinders which are fixedly installed at the front and back ends of the outer top surface of the bottom plate, two guide rods three which are fixedly installed at the front and back ends of the outer bottom surface of the receiving plate, one end of each of the two guide rods three is slidably extended to the inner side of each of the two cylinders, and a pulley which is fixedly installed at each of the four corners of the outer bottom surface of the bottom plate.

[0012] As a further technical scheme of the present application, one end of each of the winding roller and the guide roller is extended to the rear outer wall of the supporting plate, and a gear one and a gear two are fixedly installed on the outer peripheral surfaces, respectively, the gear one and the gear two are in meshing connection, the rear outer wall of the supporting plate is fixedly connected with a mounting plate, the outer top surface of the mounting plate is fixedly installed with a driving motor, and the output end of the driving motor is fixedly connected with the winding roller.

[0013] As a further technical scheme of the utility model, the left and right ends of the outer circumferential surface of the winding roller are fixedly provided with positioning strips, and the inner circumferential side wall of the paper tube is provided with sliding grooves matched with the positioning strips.

[0014] The utility model provides a kind of semi-automatic film winding device of film blowing machine, and compared with prior art has following beneficial effects:

[0015] 1, the semi-automatic film winding device of film blowing machine of the design, the mutual cooperation of bidirectional screw rod, sliding block, block, abutment block being set, the two ends of paper tube of different length can be clamped, avoid the situation that paper tube is shaken and causes to fall off to appear when rotating, to improve the working efficiency of film winding, simultaneously under the joint action of round hole, sliding rod, bevel one, bevel two, make abutment block retract inside annular cavity, to facilitate the paper tube to be taken out, increase the use flexibility.

[0016] 2, the semi-automatic film winding device of film blowing machine of the design, the mutual action of bottom plate, electric push rod, receiving plate, arc-shaped recess, pulley being set, paper tube of completing film winding can be adhered and jacked up, it is convenient for staff to take out stably, to avoid paper tube from tumbling and injuring others when pushing out, improve the use safety of the device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a first three-dimensional structure schematic view of semi-automatic film winding device of film blowing machine;

[0018] Figure 2 It is a second three-dimensional structure schematic view of semi-automatic film winding device of film blowing machine;

[0019] Figure 3 It is a sectional three-dimensional structure schematic view of semi-automatic film winding device of film blowing machine;

[0020] Figure 4 It is a clamping assembly three-dimensional structure schematic view of semi-automatic film winding device of film blowing machine;

[0021] Figure 5 It is Figure 3 It is a local structure enlarged schematic view of A in the middle.

[0022] In the figure:

[0023] 1, base;101, straight open mouth;102, support plate;103, guide roller;104, winding roller;105, paper tube;106, bottom plate;

[0024] 2, clamping assembly; 201, annular cavity; 202, transverse notch; 203, bidirectional screw; 204, sliding block; 205, square block; 206, abutting block; 207, round hole; 208, sliding rod; 209, reset spring; 210, knob; 211, limiting plate; 212, positioning screw; 213, guide rod one; 214, bevel one; 215, bevel two; 216, guide rod two;

[0025] 3, moving assembly; 301, electric push rod; 302, receiving plate; 303, arc-shaped groove; 304, cylinder; 305, guide rod three; 306, pulley;

[0026] 4, gear one; 401, gear two; 402, mounting plate; 403, driving motor;

[0027] 5, positioning strip. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Please refer to Figures 1-5The utility model provides a kind of technical scheme of semi-automatic film winding device of film blowing machine: including base 1, the outer top surface front end of base 1 is equipped with straight open mouth 101 in through-penetration, and outer top surface rear end is fixedly installed with support plate 102, the front side outer wall of support plate 102 is rotatably installed with guide roller 103 and winding roller 104 respectively, winding roller 104 is externally equipped with paper tube 105, winding roller 104 is internally provided with the clamping assembly 2 for limiting the front and rear ends of paper tube 105, clamping assembly 2 includes annular cavity 201 being opened in the inside of winding roller 104, the upper and lower ends of the outer circumferential surface of winding roller 104 are all equipped with horizontal slot 202 being mutually penetrated with annular cavity 201, the inner wall of the front and rear sides of annular cavity 201 is rotatably installed with two-way screw rod 203, the two ends of the outer circumferential surface of two-way screw rod 203 are threadedly sleeved with sliding block 204, the upper and lower ends of the outer surfaces of two sliding blocks 204 are all fixedly installed with square block 205, the inner side of two groups of horizontal slot 202 is symmetrically equipped with abutting block 206, the outer surface of one end of two square blocks 205 close to abutting block 206 is equipped with round hole 207, and the inner side of round hole 207 is slidably connected with slide rod 208, one end of two pairs of slide rods 208 extends to the outside of square block 205 and is mutually fixed with abutting block 206, and the other end is fixedly connected with the inner bottom end of round hole 207 by reset spring 209, the front end of two-way screw rod 203 extends to the front side outer wall of winding roller 104, and the outer circumferential surface is respectively fixedly installed with knob 210 and limiting plate 211, the outer side wall of limiting plate 211 is threadedly fixed with the front side outer wall of winding roller 104 by positioning screw 212, the inner wall of the front and rear sides of annular cavity 201 and located at the left and right ends of two-way screw rod 203 is commonly fixedly installed with two guide rods one 213, the left and right ends of two sliding blocks 204 are slidably sleeved on the outer circumferential surface of two guide rods one 213. The opposite outer side walls of two pairs of abutting blocks 206 are equipped with inclined edge one 214 in inclined type, the inner walls of the front and rear sides of two groups of horizontal slot 202 are equipped with inclined edge two 215 being adapted with inclined edge one 214, the outer surfaces of two pairs of abutting blocks 206 and square block 205 close to each other are slidably connected by symmetrically arranged guide rod two 216, one end of winding roller 104 and guide roller 103 all extends to the rear side outer wall of support plate 102, and the outer circumferential surface is respectively fixedly installed with gear one 4 and gear two 401, gear one 4 and gear two 401 are meshed connection, the rear side outer wall of support plate 102 is fixedly connected with mounting plate 402, the outer top surface of mounting plate 402 is fixedly installed with driving motor 403, the output end of driving motor 403 is fixedly connected with winding roller 104, the left and right ends of the outer circumferential surface of winding roller 104 are all fixedly installed with positioning strip 5, the inner circumferential side wall of paper tube 105 is equipped with sliding groove being mutually consistent with positioning strip 5.In use, first, the paper tube 105 is sleeved outside the winding roller 104, and the limiting strip is clamped into the inner side of the sliding groove, then the knob 210 is twisted to drive the bidirectional screw rod 203 to rotate, and the sliding block 204 is driven to relatively move close to each other with the assistance of the guide rod one 213, so that the abutting block 206 is moved from the annular cavity 201 to the inner side of the horizontal slot 202, the sliding rod 208 is driven to move in the circular hole 207 under the elastic action of the reset spring 209, the abutting block 206 is ejected, and at the same time, the bidirectional screw rod 203 continues to rotate, drives the abutting block 206 to adhere to the front and back ends of the paper tube 105, clamps and limits the paper tube 105, avoids the situation that the paper tube 105 shakes and falls off during rotation, then the limiting plate 211 is fixed on the winding roller 104 by twisting the positioning screw rod 212, the bidirectional screw rod 203 is fixed, and self-rotation is prevented, then one end of the plastic film is fixed on the outer side of the paper tube 105, then the driving motor 403 is started to drive the winding roller 104 to rotate, so as to drive the paper tube 105 to rotate, wind the plastic film outside the paper tube 105, at the same time, the gear one 4 drives the gear two 401 to rotate synchronously through the meshing transmission belt, drives the guide roller 103 to rotate, and then limits and guides the plastic film when the plastic film is wound outside the paper tube 105, finally, after winding is completed, the knob 210 is twisted in reverse to drive the bidirectional screw rod 203 to rotate in reverse, drives the sliding block 204 to relatively move away from each other, the inclined edge one 214 on the abutting block 206 is retracted into the annular cavity 201 along the inclined plate two on the horizontal slot 202, so that the paper tube 105 is convenient to take out.

[0030] The inside of the straight opening 101 is provided with a bottom plate 106, and a moving assembly 3 for moving out the paper cylinder 105 after the film is completed is arranged on the outer top surface of the bottom plate 106, the moving assembly 3 comprises an electric push rod 301 fixedly installed at the center position of the outer top surface of the bottom plate 106, an accommodating plate 302 is fixedly installed at the output end of the electric push rod 301, an arc-shaped groove 303 is arranged on the outer top surface of the accommodating plate 302, a cylinder 304 is fixedly installed at the front and rear ends of the outer top surface of the bottom plate 106, guide rods three 305 are fixedly installed at the front and rear ends of the outer bottom surface of the accommodating plate 302, one end of the two guide rods three 305 respectively slide into the inner side of the two cylinders 304, and pulleys 306 are fixedly installed at the four corners of the outer bottom surface of the bottom plate 106. When the paper cylinder 105 is completed, the bottom plate 106 is moved into the inside of the straight opening 101 through the pulleys 306, then the electric push rod 301 is started to move the accommodating plate 302 upward stably under the assistance of the guide rods three 305, the arc-shaped groove 303 is matched with the plastic film on the outer side of the paper cylinder 105 and the paper cylinder 105 is lifted, then the paper cylinder 105 can be taken out along the outside of the winding roller 104 by pulling the bottom plate 106, so that the safety of the device is improved, and the plastic film can be continuously wound after the paper cylinder 105 is sleeved outside the winding roller 104.

[0031] The working principle of the utility model is as follows: when using, first, the paper cylinder 105 is sleeved outside the winding roller 104, and the limiting strip is clamped into the inner side of the sliding groove, then the knob 210 is twisted to drive the bidirectional screw rod 203 to rotate, the sliding block 204 is relatively moved, the abutting block 206 is pushed out through the transverse slot 202, and is matched on the front and rear ends of the paper cylinder 105, so that the paper cylinder 105 is clamped and limited.

[0032] Meanwhile, one end of the plastic film is fixed on the outer side of the paper cylinder 105, the driving motor 403 is started to drive the winding roller 104 to rotate, so as to drive the paper cylinder 105 to rotate, the plastic film is wound on the outer side of the paper cylinder 105, the guide roller 103 is driven to rotate through the gear engagement transmission synchronous belt, and the plastic film is limited and guided when winding on the outer side of the paper cylinder 105.

[0033] Meanwhile, after winding is completed, the knob 210 is twisted in reverse to drive the bidirectional screw rod 203 to rotate reversely, the sliding block 204 is relatively moved, the inclined edge one 214 on the abutting block 206 is retracted into the inside of the annular cavity 201 along the inclined plate two on the transverse slot 202, so that the clamping and limiting relationship of the paper cylinder 105 is released.

[0034] Finally, the bottom plate 106 is moved into the interior of the straight opening 101 through the pulley 306, the electric push rod 301 is started to drive the bearing plate 302 to move upward, the arc-shaped groove 303 is matched with the plastic film on the outer side of the paper tube 105, and the paper tube 105 is lifted up, then the bottom plate 106 is pulled to take out the paper tube 105 along the exterior of the winding roller 104.

[0035] The above only describes the preferred embodiments of the present application, and it should be noted that those skilled in the art can make some improvements and refinements without departing from the principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art without special description and limitation.

Claims

1. A semi-automatic film winding device of a film blowing machine, characterized in that, The application relates to a film winding device, which comprises a base (1), a straight opening (101) penetrating through the front end of the top surface of the base (1), a supporting plate (102) fixedly arranged at the rear end of the top surface of the base (1), a guide roller (103) and a winding roller (104) rotatably arranged on the front side of the outer wall of the supporting plate (102), a paper cylinder (105) sleeved on the outer part of the winding roller (104), and a clamping assembly (2) arranged in the inner part of the winding roller (104) and used for limiting the front and rear ends of the paper cylinder (105). A bottom plate (106) is arranged in the straight opening (101), and a moving assembly (3) for moving the paper cylinder (105) after film winding is arranged on the top surface of the bottom plate (106). The clamping assembly (2) comprises an annular cavity (201) arranged in the inner part of the winding roller (104), horizontal slot openings (202) arranged at the upper and lower ends of the outer circumferential surface of the winding roller (104) and penetrating through the annular cavity (201), a bidirectional screw rod (203) rotatably arranged on the inner walls of the front and rear sides of the annular cavity (201), sliding blocks (204) threadedly sleeved on the two ends of the outer circumferential surface of the bidirectional screw rod (203), square blocks (205) fixedly arranged on the upper and lower ends of the outer surfaces of the two sliding blocks (204), abutting blocks (206) symmetrically arranged on the inner sides of the two horizontal slot openings (202), circular holes (207) arranged on the outer surfaces of the one ends of the two pairs of square blocks (205) close to the abutting blocks (206), and sliding rods (208) slidably connected to the inner sides of the circular holes (207), wherein one end of each of the two pairs of sliding rods (208) extends to the outer part of the square block (205) and is fixed to the abutting block (206), and the other end is fixedly connected to the inner bottom end of the circular hole (207) through a reset spring (209).

2. A semi-automatic film winding device of a film blowing machine according to claim 1, characterized in that, The front end of the bidirectional screw rod (203) extends to the front side of the outer wall of the winding roller (104), and knobs (210) and limiting plates (211) are fixedly arranged on the outer circumferential surface of the bidirectional screw rod (203), the outer side wall of the limiting plate (211) is fixedly screwed to the front side of the outer wall of the winding roller (104) through a positioning screw rod (212), two guide rods (213) are fixedly arranged on the inner walls of the front and rear sides of the annular cavity (201) and located at the left and right ends of the bidirectional screw rod (203), and the left and right ends of the two sliding blocks (204) are slidably sleeved on the outer circumferential surface of the two guide rods (213).

3. A semi-automatic film winding device of a film blowing machine according to claim 1, characterized in that, Inclined edges (214) are arranged on the opposite outer side walls of the two pairs of abutting blocks (206), inclined edges (215) are arranged on the inner walls of the front and rear sides of the two horizontal slot openings (202) and matched with the inclined edges (214), and the outer surfaces of the two pairs of abutting blocks (206) close to the square blocks (205) are slidably connected to each other through symmetrically arranged guide rods (216).

4. A semi-automatic film winding device of a film blowing machine according to claim 1, characterized in that, The mobile assembly (3) includes a motor push rod (301) fixedly installed at the center position of the outer top surface of the bottom plate (106), the output end of the motor push rod (301) is fixedly installed with a receiving plate (302), the outer top surface of the receiving plate (302) is provided with an arc-shaped groove (303), the front and rear ends of the outer top surface of the bottom plate (106) are fixedly installed with cylinders (304), the front and rear ends of the outer bottom surface of the receiving plate (302) are fixedly installed with guide rods three (305), one end of the two guide rods three (305) respectively slide into the inner sides of the two cylinders (304), and the outer bottom surface of the bottom plate (106) is fixedly installed with pulleys (306) at the four corners.

5. A semi-automatic film winding device of a film blowing machine according to claim 1, characterized in that, The outer circumferential surfaces of the winding roller (104) and the guide roller (103) are respectively fixedly installed with gear one (4) and gear two (401) on one end extending to the rear outer wall of the support plate (102), the gear one (4) and the gear two (401) are meshed and connected, the rear outer wall of the support plate (102) is fixedly connected with a mounting plate (402), the outer top surface of the mounting plate (402) is fixedly installed with a driving motor (403), and the output end of the driving motor (403) is fixedly connected with the winding roller (104).

6. A semi-automatic film winding device of a film blowing machine according to claim 1, characterized in that, The outer circumferential surfaces of the winding roller (104) are fixedly installed with positioning strips (5) at the left and right ends, and the inner circumferential side wall of the paper cylinder (105) is provided with a sliding groove matched with the positioning strips (5).

Images