Plastic bag making device

Abstract

The utility model belongs to the technical field of plastic bag making, and particularly relates to a plastic bag making device which comprises a machining table, a fixing frame is fixedly connected to the upper end of the machining table, a push-pull mechanism is arranged on the upper surface in the fixing frame, and a hot cutting mechanism is arranged at the lower end of the push-pull mechanism. Through mutual cooperation of the double-shaft motor, the first rotating shaft, the first chain wheel, the second chain wheel, the second rotating shaft, the rotating push plate and the push-pull plate, the fixing rod can be driven to move downwards; in the process of driving the fixed rod to move downwards, the effect of driving the mounting plate to move downwards can be achieved under the cooperation of a fixed plate I, an L-shaped limiting plate and a T-shaped limiting rod I; and in the process that the mounting plate is driven to move downwards, the effect of fixing the bag making raw materials conveyed to the machining table can be achieved firstly under the mutual cooperation of a second T-shaped limiting rod, a first spring and a pressing plate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the plastic bag making technical field, concretely relates to a plastic bag making device. BACKGROUND

[0002] When making plastic bags, multiple processes are needed, and bag making is one of them, which is to heat cut the bag making raw materials through hot cutting to obtain the required plastic bags.

[0003] The existing technology has the following problems:

[0004] The existing plastic bag making device is prone to sticking to the hot cutting knife during hot cutting, which affects the quality of subsequent hot cutting.

[0005] The existing plastic bag making device is prone to sticking to the hot cutting knife during hot cutting, which affects the quality of subsequent hot cutting. INVENTION CONTENTS

[0006] The utility model discloses a plastic bag making device, which can solve the problem of sticking of plastic bags to the hot cutting knife during hot cutting of the existing plastic bag making device, which affects the quality of subsequent hot cutting.

[0007] The technical scheme adopted by the utility model is as follows:

[0008] A plastic bag making device comprises a processing table, a fixed frame is fixedly connected to the upper end of the processing table, a push-pull mechanism is arranged on the inner upper surface of the fixed frame, a hot cutting mechanism is arranged at the lower end of the push-pull mechanism, four T-shaped limiting rods one are fixedly connected to the upper end of the hot cutting mechanism, the four T-shaped limiting rods one are movably connected to four L-shaped limiting plates each of which is provided with a limiting hole, and the upper sides of the four L-shaped limiting plates are fixedly connected to the fixed frame.

[0009] The push-pull mechanism comprises a double-shaft motor, the upper end of the double-shaft motor is fixedly connected to the fixed frame, and the double-shaft motor is fixedly connected to the opposite proximal ends of two rotating shafts one through two output shafts arranged thereon.

[0010] A supporting plate is movably connected to each of the two rotating shafts one, the upper end of each of the two supporting plates is fixedly connected to the fixed frame, and the opposite distal ends of the two rotating shafts one are fixedly connected to a chain wheel one.

[0011] Two chain wheels one are drivingly connected to two chain wheels two through two chains arranged thereon, the two chain wheels two are fixedly connected to one end of two rotating shafts two, and the other end of the two rotating shafts two is fixedly connected to a rotating push plate.

[0012] Two upper ends of the two rotating push plates are movably connected with upper ends of two push-pull plates respectively, and lower ends of the two push-pull plates are movably connected with the fixed rod.

[0013] Both front and rear ends of the fixed rod are fixedly connected with fixed plates one, lower ends of the two fixed plates one are fixedly connected with the hot cutting mechanism, and the two rotating shafts two are movably connected with the two supporting plates respectively.

[0014] The hot cutting mechanism comprises a mounting plate, the upper end of the mounting plate is fixedly connected with the two fixed plates one and the lower ends of the four T-shaped limiting rods one, and the lower end of the mounting plate is fixedly connected with a hot cutter main body.

[0015] The lower side of the hot cutter main body is provided with two cleaning scrapers, the opposite close ends of the two cleaning scrapers are overlapped, and the upper end of the two cleaning scrapers is fixedly connected with two limiting blocks.

[0016] The four limiting blocks are movably connected with two horizontal rods respectively, the left and right ends of the two horizontal rods are fixedly connected with fixed plates two, the lower ends of the four fixed plates two are fixedly connected with two pressing plates respectively, and the upper ends of the two pressing plates are fixedly connected with two T-shaped limiting rods two.

[0017] The four T-shaped limiting rods two are movably connected with the mounting plate provided with four through holes, springs one are sleeved on the four T-shaped limiting rods two, the lower ends of the four springs one are fixedly connected with the two pressing plates respectively, the upper ends of the four springs one are fixedly connected with the mounting plate, springs two are sleeved on the left and right sides of the two horizontal rods, the opposite close ends of the four springs two are fixedly connected with the four limiting blocks respectively, and the opposite far ends of the four springs two are fixedly connected with the four fixed plates two respectively.

[0018] The technical effects achieved by the utility model are as follows:

[0019] The utility model can drive the fixing rod to move downward by cooperating with each other among the dual-axis motor, the rotating shaft, the sprocket, the sprocket, the rotating shaft, the rotating push plate and the push-pull plate, and in the process of driving the fixing rod to move downward, the fixing plate, the L-shaped limiting plate and the T-shaped limiting rod can achieve the effect of driving the mounting plate to move downward under the cooperation of the provided T-shaped limiting rod, the spring and the pressure plate, so that the bag-making raw material conveyed to the processing table can be fixed first, which not only increases the stability of the bag-making raw material during the hot cutting process, but also prevents the plastic bag from adhering to the hot cutting knife body after the hot cutting is completed. Through the mutual cooperation among the provided spring, the cross bar, the fixing plate and the cleaning scraper, the plastic remaining on the surface of the hot cutting knife body can be automatically cleaned after the hot cutting of the bag-making raw material is completed and the hot cutting knife body is driven to move upward and reset, thereby avoiding the tedious manual cleaning of the plastic remaining on the surface of the hot cutting knife body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main three-dimensional structure of the utility model;

[0021] Figure 2 It is a left-side perspective structural diagram of the present invention;

[0022] Figure 3 It is a schematic diagram of the main cross-sectional three-dimensional structure of the present utility model;

[0023] Figure 4 This is a left-side perspective structural diagram of the push-pull mechanism in the present invention;

[0024] Figure 5 This is a schematic diagram of the main cross-sectional three-dimensional structure of the hot cutting mechanism in the present invention;

[0025] Figure 6 It is a schematic diagram of the main three-dimensional structure of the hot cutting mechanism in the utility model.

[0026] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0027] 1. Processing table; 2. Fixed frame; 3. Hot cutting mechanism; 31. Pressing plate; 32. Limiting block; 33. Cleaning scraper; 34. Hot cutting knife body; 35. T-shaped limiting rod 2; 36. Spring 1; 37. Fixed plate 2; 38. Mounting plate; 39. Spring 2; 310. Cross bar; 4. L-shaped limiting plate; 5. T-shaped limiting rod 1; 6. Push-pull mechanism; 61. Fixed plate 1; 62. Fixed rod; 63. Rotating push plate; 64. Push-pull plate; 65. Sprocket 2; 66. Support plate; 67. Rotating shaft 2; 68. Sprocket 1; 69. Rotating shaft 1; 610. Dual-axis motor. DETAILED DESCRIPTION

[0028] In order to make the purpose and advantages of the utility model more clear and obvious, the utility model is specifically explained below in combination with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model and does not strictly limit the protection scope of the utility model specifically requested.

[0029] As Figures 1-6 shown, a plastic bag making device, including processing table 1, the upper end of processing table 1 is fixedly connected with fixed frame 2, the inside upper surface of fixed frame 2 is provided with push-pull mechanism 6, the lower end of push-pull mechanism 6 is provided with hot cutting mechanism 3, the upper end of hot cutting mechanism 3 is fixedly connected with four T-shaped limiting rods one 5, four T-shaped limiting rods one 5 are movably connected with four L-shaped limiting plates 4 which are provided with limiting holes in the inside, the upper side of four L-shaped limiting plates 4 is fixedly connected with fixed frame 2, push-pull mechanism 6 can drive hot cutting mechanism 3 to move downwards, and then the hot cutting process of the bag-making raw material conveyed to the upper side of processing table 1 can be achieved, so that the bag-making process of plastic bag is realized, and the stability of hot cutting mechanism 3 in the moving process can be increased through the mutual cooperation between T-shaped limiting rod one 5 and L-shaped limiting plate 4.

[0030] Further, the push-pull mechanism 6 comprises a double-shaft motor 610, the upper end of the double-shaft motor 610 is fixedly connected with the fixed frame 2, the double-shaft motor 610 is fixedly connected with the opposite close ends of the two rotating shafts one 69 through two output shafts arranged thereon respectively, the two rotating shafts one 69 are movably connected with the support plates 66 respectively, the upper ends of the two support plates 66 are fixedly connected with the fixed frame 2, the opposite far ends of the two rotating shafts one 69 are fixedly connected with the chain wheels one 68 respectively, the two chain wheels one 68 are drivingly connected with the two chain wheels two 65 through two chains arranged respectively, the two chain wheels two 65 are fixedly connected with one ends of the two rotating shafts two 67 respectively, the other ends of the two rotating shafts two 67 are fixedly connected with the rotating push plates 63 respectively, the upper ends of the two rotating push plates 63 are movably connected with the upper ends of the two push-pull plates 64 respectively, the lower ends of the two push-pull plates 64 are movably connected with the fixed rods 62, the front and rear ends of the fixed rods 62 are fixedly connected with the fixed plates one 61 respectively, the lower ends of the two fixed plates one 61 are fixedly connected with the hot cutting mechanism 3, the two rotating shafts two 67 are movably connected with the two support plates 66 respectively, the two rotating shafts one 69 are driven to rotate by starting the double-shaft motor 610, and then the two rotating shafts two 67 can be driven to rotate under the cooperation of the chain wheels one 68 and the chain wheels two 65 arranged, the hot cutting mechanism 3 can be driven to move downward under the cooperation of the rotating push plates 63, the push-pull plates 64, the fixed rods 62 and the fixed plates one 61 arranged, so that the hot cutting process of the bag-making raw material conveyed to the processing table 1 can be realized, and the rotating shafts one 69 and the rotating shafts two 67 can be supported by the support plates 66 arranged.

[0031] Further, the hot cutting mechanism 3 comprises a mounting plate 38, the upper end of the mounting plate 38 is fixedly connected with the two fixed plates one 61 and the lower ends of the four T-shaped limiting rods one 5, the lower end of the mounting plate 38 is fixedly connected with the hot cutting knife body 34, the lower side of the hot cutting knife body 34 is provided with two cleaning scrapers 33, and the opposite close ends of the two cleaning scrapers 33 are overlapped, the upper ends of the two cleaning scrapers 33 are fixedly connected with two limiting blocks 32, the four limiting blocks 32 are movably connected with the two horizontal rods 310 respectively, the left and right ends of the two horizontal rods 310 are fixedly connected with the two fixed plates two 37 respectively, the lower ends of the four fixed plates two 37 are fixedly connected with the two pressing plates 31 respectively, the upper ends of the two pressing plates 31 are fixedly connected with the two T-shaped limiting rods two 35 respectively, the four T-shaped limiting rods two 35 are movably connected with the mounting plate 38 provided with four through holes, the four T-shaped limiting rods two 35 are all sleeved with the spring one 36, the left and right sides of the two horizontal rods 310 are all sleeved with the spring two 39, by driving the mounting plate 38 to move downwards, the two pressing plates 31 can be driven to move downwards under the action of the T-shaped limiting rod two 35 and the spring one 36, so that the pressing process of the bag-making raw material on the processing table 1 can be achieved first, the stability of the bag-making raw material during the hot cutting process is ensured, then the hot cutting knife body 34 can be driven to move downwards through the two cleaning scrapers 33 by continuously driving the mounting plate 38 to move downwards, at this time, the hot cutting process of the bag-making raw material can be achieved under the action of the hot cutting knife body 34, the plastic bag after hot cutting can be prevented from adhering to the hot cutting knife body 34 under the action of the two pressing plates 31 during the process of driving the mounting plate 38 and the hot cutting knife body 34 to move upwards after the hot cutting is completed, and the surface of the hot cutting knife body 34 can be cleaned under the action of the two cleaning scrapers 33 during the process of driving the hot cutting knife body 34 to move upwards until reset, so that the residue of the plastic on the hot cutting knife body 34 is avoided, and the relative close ends of the two cleaning scrapers 33 are always overlapped with the surface of the hot cutting knife body 34 during the cleaning process of the surface of the hot cutting knife body 34 by the cooperation between the fixed plate two 37, the horizontal rod 310 and the spring two 39.

[0032] The working principle of the utility model is as follows:

[0033] In the use of the device for plastic bag making, first, the raw materials for plastic bag making are conveyed to the processing table 1, then the double-shaft motor 610 is started to drive the two rotating shafts I 69 to rotate, through the rotation of the two rotating shafts I 69, under the action of the sprocket I 68, the sprocket II 65, the rotating shaft II 67, the rotating plate 63, the push-pull plate 64, the fixed rod 62 and the fixed plate I 61, the mounting plate 38 can be driven to move downward, in the process of driving the mounting plate 38 to move downward, under the cooperation of the T-shaped limiting rod II 35, the spring I 36 and the pressing plate 31, it can first achieve the fixing effect before hot cutting of the raw materials for bag making, increase the stability of the raw materials for bag making in the hot cutting process, then continue to drive the mounting plate 38 to move downward, in turn, the hot cutting knife body 34 can be driven to move downward through the two cleaning scrapers 33, until the hot cutting process of the raw materials for bag making on the processing table 1 is realized, after the hot cutting is finished, the mounting plate 38 is driven to move upward until it is reset, under the action of the pressing plate 31, the plastic bags after hot cutting can be prevented from adhering to the hot cutting knife body 34, at the same time, under the cooperation of the spring II 39, the cross rod 310, the limiting block 32, the fixed plate II 37 and the cleaning scraper 33, the cleaning process of the residual plastic on the hot cutting knife body 34 can be achieved.

[0034] The above is only the preferred embodiment of the present application, it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, 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, if no special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A plastic bag making device, comprising a processing table (1), characterized in that: The upper end of the processing table (1) is fixedly connected to a fixing frame (2), the inner upper surface of the fixing frame (2) is provided with a push-pull mechanism (6), the lower end of the push-pull mechanism (6) is provided with a hot cutting mechanism (3), the upper end of the hot cutting mechanism (3) is fixedly connected to four T-shaped limiting rods (5), the four T-shaped limiting rods (5) are respectively movably connected to four L-shaped limiting plates (4) each having a limiting hole formed therein, and the upper sides of the four L-shaped limiting plates (4) are fixedly connected to the fixing frame (2).

2. A plastic bag making device according to claim 1, characterized in that: The push-pull mechanism (6) includes a dual-axis motor (610), the upper end of which is fixedly connected to the fixed frame (2), and the dual-axis motor (610) is fixedly connected to the relatively close ends of the two rotating shafts (69) through two output shafts provided thereon.

3. A plastic bag making device according to claim 2, characterized in that: The two rotating shafts (69) are both movably connected to support plates (66), the upper ends of the two support plates (66) are both fixedly connected to the fixing frame (2), and the relatively distant ends of the two rotating shafts (69) are both fixedly connected to sprockets (68).

4. A plastic bag making device according to claim 3, characterized in that: The two sprockets 1 (68) are respectively connected to the two sprockets 2 (65) through two chains. The two sprockets 2 (65) are respectively fixedly connected to one end of the two rotating shafts 2 (67). The other ends of the two rotating shafts 2 (67) are fixedly connected to the rotating push plates (63).

5. The plastic bag making device according to claim 4, characterized in that: The upper ends of the two rotating push plates (63) are movably connected to the upper ends of the two push-pull plates (64), respectively, and the lower ends of the two push-pull plates (64) are movably connected to the fixed rod (62).

6. The plastic bag making device according to claim 5, characterized in that: The front and rear ends of the fixing rod (62) are fixedly connected to the fixing plate 1 (61), the lower ends of the two fixing plates 1 (61) are fixedly connected to the hot cutting mechanism (3), and the two rotating shafts 2 (67) are movably connected to the two support plates (66) respectively.

7. The plastic bag making device according to claim 6, characterized in that: The hot cutting mechanism (3) comprises a mounting plate (38), the upper end of the mounting plate (38) being fixedly connected to the lower ends of two fixing plates (61) and four T-shaped limiting rods (5), and the lower end of the mounting plate (38) being fixedly connected to the hot cutting knife body (34).

8. The plastic bag making device according to claim 7, characterized in that: Two cleaning scrapers (33) are provided on the lower side of the hot cutter body (34), and the relatively close ends of the two cleaning scrapers (33) are overlapped, and the upper ends of the two cleaning scrapers (33) are fixedly connected to two limiting blocks (32).

9. The plastic bag making device according to claim 8, characterized in that: The four limiting blocks (32) are movably connected to the two cross bars (310), and the left and right ends of the two cross bars (310) are fixedly connected to the second fixing plate (37). The lower ends of the four second fixing plates (37) are fixedly connected to the two pressing plates (31), and the upper ends of the two pressing plates (31) are fixedly connected to two T-shaped limiting rods (35).

10. The plastic bag making device according to claim 9, characterized in that: The four T-shaped limiting rods (35) are movably connected to a mounting plate (38) with four through holes formed therein. The four T-shaped limiting rods (35) are all sleeved with springs (36). The left and right sides of the two cross bars (310) are all sleeved with springs (39).

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