Plastic film perforating machine capable of being adjusted without shutdown

Abstract

The utility model relates to a plastic film punching machine, in particular to an adjustable non-stop plastic film punching machine, which comprises a film conveying mechanism and a punching mechanism, a film conveying path is formed on the film conveying mechanism, the punching mechanism is arranged at the film conveying path, and the punching mechanism comprises a punching unit. Each punching unit comprises a punching assembly and a punching platform, each punching assembly comprises a plurality of punching cutters, the punching cutters are arranged above the punching platforms in a lifting mode, the punching platforms are provided with through holes corresponding to the punching cutters, the number of the punching units is at least two, and each punching unit has a first working state and a second adjusting state. The punching mechanism has a synchronous mode and an adjusting mode, when the punching mechanism is in the synchronous mode, the punching units are all in the first state, when the punching mechanism is in the adjusting mode, both the punching units are in the first state and the punching units are in the second state, and the multiple punching units are designed to act synchronously to increase the punching length; and shutdown can be avoided through alternate adjustment.

Description

Technical Field

[0001] The utility model relates to a plastic film punching machine, in particular to a plastic film punching machine which can be adjusted without stopping the machine. Background Art

[0002] A Chinese utility model patent with publication number CN217728988U discloses a continuous film conveying and punching mechanism of a plastic film punching machine. A mobile trolley is provided, on which a first guide roller and a second guide roller for guiding the plastic film are installed. The plastic film is folded around the corresponding guide rollers on both the feeding side and the discharging side. The reciprocating motion of the mobile trolley causes the length of the conveying path of the plastic film in this section to change with the movement of the corresponding guide rollers, so that there is no need to stop the machine for punching, thereby ensuring production efficiency. However, when the spacing of the film holes needs to be adjusted, it is still necessary to stop the machine to adjust the punching knife and replace the mold. Utility Model Content

[0003] In view of the technical problems existing in the background technology, the utility model aims to provide a plastic film punching machine that can be adjusted without stopping, and is designed with multiple punching units that act synchronously to increase the punching length, and can avoid stopping by adjusting in turns.

[0004] To solve the above technical problems, the utility model adopts the following technical solutions: the plastic film punching machine with non-stop adjustment comprises a film conveying mechanism and a punching mechanism, the film conveying mechanism forms a film conveying path, the punching mechanism is arranged at the film conveying path, the punching mechanism comprises a punching unit, the punching unit comprises a punching assembly and a punching platform, the punching assembly comprises a plurality of punching knives, the punching knives are lifted and arranged above the punching platform, the punching platform is provided with through holes corresponding to the punching knives, wherein the number of the punching units is at least two, the punching units have a first working state and a second adjusting state, the punching mechanism has a synchronous mode and an adjusting mode, when the punching mechanism is in the synchronous mode, the punching units are all in the first state, when the punching mechanism is in the adjusting mode, both the punching units are in the first state and the punching units are in the second state.

[0005] In this solution, multiple punching units are designed, and the punching units act synchronously to form a synchronous mode of the punching mechanism. A longer film can be punched at one time, increasing the punching length. When the film punching spacing needs to be adjusted, one punching unit can continue to work while the other punching unit stops and adjusts the position of the punching knife and the through holes on the punching platform. The adjustments are taken in turn to avoid downtime and ensure production efficiency.

[0006] Preferably, the film conveying mechanism includes a feed roller group and a discharge roller group, the feed roller group includes a feed traction roller, a feed moving roller and a first guide roller, the feed traction roller is equipped with a feed pressure roller, the first guide roller is located on the feed side of the punching mechanism, the feed moving roller is connected to the feed traction roller and the first guide roller, the feed moving roller is arranged to move back and forth, the discharge roller group includes a discharge traction roller, a discharge moving roller and a second guide roller, the discharge traction roller is equipped with a discharge pressure roller, the second guide roller is located on the discharge side of the punching mechanism, the discharge moving roller is connected to the discharge traction roller and the second guide roller, and the discharge moving roller is arranged to move back and forth.

[0007] In this scheme, the feed roller group transports the film to the punching mechanism for punching, and the discharge roller group sends the film away from the punching mechanism. The reciprocating movement of the feed moving roller and the discharge moving roller can adjust the length of the film between the corresponding traction roller and the guide roller to adapt to the feeding and discharging during punching.

[0008] Preferably, the punching assembly also includes a mounting frame and a crossbeam, the mounting frame is provided with a slide rail, the crossbeam is connected to a slider, the slider is laterally slidably arranged on the slide rail, the punching knife is slidably positioned and connected to the crossbeam, and the punching knife is arranged on the crossbeam along the longitudinal direction.

[0009] In this solution, the slider slides along the slide rail to drive the crossbeam to move, thereby adjusting the lateral position of the punching knife. The longitudinal position of the punching knife can be adjusted by adjusting the arrangement spacing of the punching knife on the crossbeam.

[0010] Preferably, the first lifting rod group and the second lifting rod group are respectively connected to both sides of the mounting frame, and the first power source and the second power source are respectively provided on both sides of the punching platform, the first power source drives the first lifting rod group, and the second power source drives the second lifting rod group, when the punching unit is in the first state, the first power source and the second power source operate normally, and when the punching unit is in the second state, the first power source and the second power source are stationary.

[0011] In this solution, two power sources respectively drive the corresponding lifting rod groups on both sides of the mounting frame, and the mounting frame can be lifted and lowered stably.

[0012] Preferably, the punching platform comprises a machine platform, a mounting plate and a mold part, the mounting plate is laterally adjustable on the machine platform, the mold part is longitudinally adjustable on the mounting plate, and the mold part is provided with the through hole.

[0013] In this solution, the lateral position of the mold part can be adjusted by adjusting the arrangement spacing of the mounting plates on the machine table.

[0014] Preferably, the mounting plate has a plurality of magnetic elements arranged in the longitudinal direction, and the magnetic elements are used to absorb the mold element.

[0015] In this solution, if the thrust force is greater than the adsorption force, the mold part can be pushed to adjust the position of the mold part on the mounting plate, which makes adjustment and installation convenient.

[0016] Preferably, the machine comprises a wall panel, a baffle and a bottom plate, wherein the wall panel, the baffle and the bottom plate form a waste collection chamber opening upward, the bottom plate is low in the middle and high on both sides, the bottom plate is trapezoidal, and a waste collection opening is provided in the middle of the bottom plate.

[0017] In this solution, the trapezoidal bottom plate can guide the waste from both sides to the middle.

[0018] Preferably, the mounting frame includes a front frame and a rear frame, the crossbeam is arranged between the front frame and the rear frame, the punching knife is provided with a waste blowing port, the front frame and the rear frame have an air supply cavity, an air supply pipe is provided between the front frame and the rear frame, the air supply pipe has an extension cavity, the extension cavity is connected to the air supply cavity, the waste blowing port is connected to the extension cavity, and the air supply cavity is connected to an air source.

[0019] In this solution, the waste is blown off by the air outlet to prevent the waste from sticking to the punching knife. The air source supplies air to the air supply pipe through the air supply cavity, and the punching knife takes air from the air supply pipe. The line layout is simple.

[0020] Preferably, the air supply cavity has an air outlet for installing the air supply pipe, the air outlet is connected to the extension cavity, a partition is provided in the air supply cavity, the partition is arranged at the air outlet, and the highest point of the partition is higher than the lowest point of the air outlet.

[0021] In this solution, the air duct will be supported by the upper end of the partition after it is extended into the air outlet, making installation convenient and quick.

[0022] Preferably, a film storage assembly is provided between the punching units, and the film storage assembly comprises a third guide roller, a fourth guide roller and an adjusting roller, and the adjusting roller is arranged to be raised and lowered, and the adjusting roller is higher than the third guide roller and the fourth guide roller.

[0023] In this solution, the film storage component is wound around the film at the punching mechanism to form a film storage structure, and the adjusting roller is raised and lowered to adapt to the slight changes in the film processing length at the punching unit caused by changes in the punching spacing.

[0024] The beneficial effects of the utility model are that multiple punching units are designed, the synchronous action increases the punching length, and the alternating adjustment can avoid downtime; the magnetic suction parts are designed to absorb the mold parts, and the adjustment and installation are convenient. Therefore, compared with the prior art, the utility model has substantial characteristics and progress. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The following describes the relevant details and working principles of the implementation methods and embodiments of the present utility model in conjunction with the accompanying drawings.

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0027] Figure 2 It is a schematic diagram of the film conveying mechanism in the utility model.

[0028] Figure 3 It is a three-dimensional structural schematic diagram of the punching assembly in the utility model.

[0029] Figure 4 for Figure 3 A is an enlarged view of the middle image.

[0030] Figure 5 It is a bottom view of the punching assembly in the utility model.

[0031] Figure 6 It is a schematic diagram of the three-dimensional structure of the punching platform in the utility model.

[0032] Figure 7 for Figure 6 Enlarged view of B.

[0033] Figure 8 It is a schematic diagram of the three-dimensional structure of the waste collection chamber in the utility model.

[0034] Fig. 9 It is a schematic diagram of the three-dimensional structure of the membrane storage component in the utility model.

[0035] In the figure: 1, film conveying mechanism; 2, punching mechanism; 3, feed traction roller; 4, feed moving roller; 5, first guide roller; 6, feed pressure roller; 7, discharge traction roller; 8, discharge moving roller; 9, second guide roller; 10, discharge pressure roller; 11, feed roller group; 12, discharge roller group; 13, punching knife; 14, slide rail; 15, crossbeam; 16, slide block; 17, first lifting rod group; 18, second lifting rod group; 19, through hole; 20, first power Source; 21. Punching unit; 22. Punching assembly; 23. Punching platform; 24. Machine; 25. Mounting frame; 26. Film storage assembly; 27. Wall panel; 28. Mounting plate; 29. ​​Mold part; 30. Magnetic part; 40. Baffle; 41. Bottom plate; 42. Waste collection port; 43. Front frame; 44. Rear frame; 45. Air supply chamber; 46. Air supply pipe; 47. Air outlet; 48. Partition; 49. Third guide roller; 50. Fourth guide roller; 51. Adjusting roller. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the implementation of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field without making creative work based on the embodiments of the utility model are within the scope of protection of the utility model.

[0037] In the description of the present application, it should be understood that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0038] In the description of this application, the terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0039] The power source in this application is a motor, a cylinder, etc.

[0040] See attached Figure 1-2 9. In an example of the present embodiment, a plastic film punching machine with adjustment without stopping is provided, comprising a film conveying mechanism 1 and a punching mechanism 2, wherein the film conveying mechanism 1 forms a film conveying path, the punching mechanism 2 is arranged at the film conveying path, the punching mechanism 2 comprises a punching unit 21, the punching unit 21 comprises a punching assembly 22 and a punching platform 23, the punching assembly 22 comprises a plurality of punching knives 13, the punching knives 13 are lifted and arranged above the punching platform 23, and the punching platform 23 is provided with a through hole 19 corresponding to the punching knives 13.

[0041] Among them, the number of the punching units 21 is at least two, and the punching units 21 have a first working state and a second adjusting state. The punching mechanism 2 has a synchronous mode and an adjusting mode. When the punching mechanism 2 is in the synchronous mode, the punching units 21 are all in the first state. When the punching mechanism 2 is in the adjusting mode, some punching units 21 are in the first state, and some punching units 21 are in the second state. A film storage assembly 26 is arranged between the punching units 21, and the film storage assembly 26 includes a third guide roller 49, a fourth guide roller 50 and an adjusting roller 51. The adjusting roller 51 is arranged to be raised and lowered, and the adjusting roller 51 is higher than the third guide roller 49 and the fourth guide roller 50.

[0042] In this embodiment, the punching knife 13 descends and cooperates with the punching platform 23 to punch holes in the film, and the waste generated falls from the through hole 19. A plurality of punching units 21 are designed, and the punching units 21 act synchronously to form a synchronous mode of the punching mechanism 2, so that a longer film can be punched at one time, and the punching length is increased. When the film punching spacing needs to be adjusted, one punching unit 21 can continue to work, and the other punching unit 21 stops and adjusts the position of the punching knife 13 and the through hole 19 on the punching platform 23, and the adjustments are taken in turn to avoid downtime and ensure Production efficiency: The connecting part between the punching units 21 is not punched. When the length of the connecting part is longer than the punching spacing, the film storage component 26 is required to lengthen the connecting part. Let the number of punching units 21 be N, and the punching length of the punching unit 21 be M. Then the length of a hole punched by the punching mechanism 2 at one time is MN. The length of the film wound by the film storage component 26 is a multiple of MN. The change in the punching spacing will cause a slight change in the punching length of the punching unit 21. The adjusting roller 51 is raised and lowered to change the length of the film wound by the film storage component 26 to adapt to the change in the hole spacing.

[0043] See attached Figure 2 The film conveying mechanism 1 includes a feed roller group 11 and a discharge roller group 12, the feed roller group 11 includes a feed traction roller 3, a feed moving roller 4 and a first guide roller 5, the feed traction roller 3 is equipped with a feed pressure roller 6, the first guide roller 5 is located on the feed side of the punching mechanism 2, the feed moving roller 4 connects the feed traction roller 3 and the first guide roller 5, the feed moving roller 4 is set to move back and forth, the discharge roller group 12 includes a discharge traction roller 7, a discharge moving roller 8 and a second guide roller 9, the discharge traction roller 7 is equipped with a discharge pressure roller 10, the second guide roller 9 is located on the discharge side of the punching mechanism 2, the discharge moving roller 8 connects the discharge traction roller 7 and the second guide roller 9, and the discharge moving roller 8 is set to move back and forth.

[0044] In this embodiment, the feed traction roller 3 cooperates with the feed pressure roller 6 to actively transport the film backward. After the film passes through the feed moving roller 4, it enters the punching mechanism 2 from the first guide roller 5, passes through multiple punching units 21, and leaves the punching mechanism 2 from the second guide roller 9. After passing through the discharge moving roller 8, the film is transported backward by the discharge traction roller 7 and the discharge pressure roller 10. The movement of the feed moving roller 4 and the discharge moving roller 8 can be horizontal or lifting. The principle is that the film winding path is close to the traction roller A, the moving roller B and the guide roller C as the three vertices to form a triangle ABC. When point B is close to or away from AC, AB and CB will become longer or shorter accordingly, and the sum of AB and CB corresponds to the length of the film passed through the traction roller, the moving roller and the guide roller.

[0045] See attached Figure 3-7The punching assembly 22 also includes a mounting frame 25 and a crossbeam 15. The mounting frame 25 is provided with a slide rail 14. The crossbeam 15 is connected with a slider 16. The slider 16 is laterally slidably arranged on the slide rail 14. The punching knife 13 is slidably positioned and connected with the crossbeam 15. The punching knife 13 is longitudinally arranged on the crossbeam 15. The punching platform 23 includes a machine table 24, a mounting plate 28 and a mold part 29. The mounting plate 28 is laterally adjusted and arranged on the machine table 24. The mold part 29 is longitudinally adjusted and arranged on the mounting plate 28. The mold part 29 is provided with the through hole 19. The mounting plate 28 is longitudinally arranged with a plurality of magnetic suction parts 30. The magnetic suction parts 30 are used to adsorb the mold part 29.

[0046] In this embodiment, when adjusting the punching spacing, the slider 16 slides along the slide rail 14 to drive the crossbeam 15 to move, release the positioning and slide to adjust the arrangement spacing of the punching knife 13 on the crossbeam 15, and complete the adjustment of the punching knife 13; release the positioning of the mounting plate 28, adjust the arrangement spacing of the mounting plate 28 on the machine table 24, and push the mold part 29 to correspond to different magnetic suction parts 30, and complete the position adjustment of the mold part 29.

[0047] In other alternative embodiments, the mold member 29 can be a mold plate with an integrated design, and the position of the through hole 19 can be adjusted by replacing different mold plates; the mounting plate 28 can be fixed by pressing a pressure plate; the mold member 29 and the mounting plate 28 can also be fixed by a fastened connection.

[0048] See attached Figure 1-3 The first lifting rod group 17 and the second lifting rod group 18 are connected to the two sides of the mounting frame 25 respectively, and the first power source 20 and the second power source are provided on the two sides of the punching platform 23 respectively. The first power source 20 drives the first lifting rod group 17, and the second power source drives the second lifting rod group 18. When the punching unit 21 is in the first state, the first power source 20 and the second power source operate normally, and when the punching unit 21 is in the second state, the first power source 20 and the second power source are stationary.

[0049] In this embodiment, two power sources drive the corresponding lifting rod groups on both sides of the mounting frame 25 respectively, and the mounting frame 25 is lifted and lowered stably.

[0050] In other alternative embodiments, the lifting rod groups on both sides may be driven to rise and fall by one power source.

[0051] See attached Figure 3-8The machine 24 includes a wall panel 27, a baffle 40 and a bottom plate 41. The wall panel 27, the baffle 40 and the bottom plate 41 form a waste collection chamber with an opening facing upward. The bottom plate 41 is low in the middle and high on both sides. The bottom plate 41 is trapezoidal. A waste collection port 42 is opened in the middle of the bottom plate 41. The mounting frame 25 includes a front frame 43 and a rear frame 44. The crossbeam 15 is arranged between the front frame 43 and the rear frame 44. The punching knife 13 is provided with a waste blowing port. The front frame 43 and the rear frame 44 have an air supply chamber 45. An air supply pipe 46 is provided between the front frame 43 and the rear frame 44, and the air supply pipe 46 has an extension cavity, and the extension cavity is communicated with the air supply cavity 45, and the exhaust port is communicated with the extension cavity, and the air supply cavity 45 is communicated with an air source, and the air supply cavity 45 has an air outlet 47 for installing the air supply pipe 46, and the air outlet 47 is communicated with the extension cavity, and a partition 48 is provided in the air supply cavity 45, and the partition 48 is arranged at the air outlet 47, and the highest point of the partition 48 is higher than the lowest point of the air outlet 47.

[0052] In the present embodiment, the wind blown out by the air source reaches the extension cavity through the air outlet 47 of the air supply cavity 45, and is then blown out from the waste blowing port of the punching knife 13 to blow the waste off. The trapezoidal bottom plate 41 can guide the waste from both sides to concentrate in the middle; the air source supplies air to the air supply pipe 46 through the air supply cavity 45, and the punching knife 13 takes air from the air supply pipe 46. The line layout is simple, and the air pipe will be resisted by the upper end of the partition 48 after extending into the air outlet 47, and the installation is convenient and quick.

[0053] In other alternative embodiments, a small fan may be provided in the air supply duct 46 for air supply.

[0054] The above is a preferred embodiment of the utility model, and it should be noted that the protection scope of the utility model is not limited thereto. For those skilled in the art, under the premise of not departing from the equivalent utility model concept of the technical scope disclosed by the utility model, several improvements and modifications or equivalent substitutions can be made, which are also regarded as the protection scope of the utility model.

Claims

1. A plastic film punching machine capable of being adjusted without stopping the machine, comprising: A film conveying mechanism (1) is formed with a film conveying path; A punching mechanism (2) arranged at the film conveying path, the punching mechanism (2) comprising a punching unit (21), the punching unit (21) comprising a punching assembly (22) and a punching platform (23), the punching assembly (22) comprising a plurality of punching knives (13), the punching knives (13) being arranged to be lifted above the punching platform (23), the punching platform (23) being provided with through holes (19) corresponding to the punching knives (13); Features: The number of the punching units (21) is at least two, the punching units (21) have a first working state and a second regulating state, and the punching mechanism (2) has a synchronization mode and a regulating mode; When the punching mechanism (2) is in the synchronization mode, the punching units (21) are all in the first state; when the punching mechanism (2) is in the adjustment mode, some punching units (21) are in the first state, and some punching units (21) are in the second state.

2. A plastic film punching machine capable of adjustment without stopping the machine as claimed in claim 1, characterized in that: The film conveying mechanism (1) comprises A feed roller group (11), comprising a feed traction roller (3), a feed moving roller (4) and a first guide roller (5), wherein the feed traction roller (3) is provided with a feed pressing roller (6), the first guide roller (5) is located on the feed side of the punching mechanism (2), the feed moving roller (4) connects the feed traction roller (3) and the first guide roller (5), and the feed moving roller (4) is arranged to move back and forth; A discharge roller group (12) comprises a discharge traction roller (7), a discharge moving roller (8) and a second guide roller (9), wherein the discharge traction roller (7) is provided with a discharge pressure roller (10), the second guide roller (9) is located on the discharge side of the punching mechanism (2), the discharge moving roller (8) connects the discharge traction roller (7) and the second guide roller (9), and the discharge moving roller (8) is arranged to move back and forth.

3. The plastic film punching machine capable of adjustment without stopping as claimed in claim 1, characterized in that: The punching assembly (22) also includes A mounting frame (25) on which a slide rail (14) is provided; A crossbeam (15) is connected to a slider (16), the slider (16) being arranged on the slide rail (14) for transverse sliding, the punching knife (13) being connected to the crossbeam (15) for sliding positioning, and the punching knife (13) being arranged on the crossbeam (15) in a longitudinal direction.

4. A plastic film punching machine capable of adjustment without stopping the machine as claimed in claim 3, characterized in that: A first lifting rod group (17) and a second lifting rod group (18) are respectively connected to both sides of the mounting frame (25); a first power source (20) and a second power source are respectively provided on both sides of the punching platform (23); the first power source (20) drives the first lifting rod group (17), and the second power source drives the second lifting rod group (18); when the punching unit (21) is in a first state, the first power source (20) and the second power source operate normally; when the punching unit (21) is in a second state, the first power source (20) and the second power source are stationary.

5. The non-stop plastic film punching machine according to claim 1, characterized in that: The punching platform (23) comprises Machine (24); A mounting plate (28) which is laterally adjustable and arranged on the machine platform (24); A mold part (29) is longitudinally adjusted and arranged on the mounting plate (28), and the mold part (29) is provided with the through hole (19).

6. A plastic film punching machine capable of adjustment without stopping the machine as claimed in claim 5, characterized in that: The mounting plate (28) has a plurality of magnetic attracting members (30) arranged in a longitudinal direction, and the magnetic attracting members (30) are used to attract the mould member (29).

7. The plastic film punching machine capable of adjustment without stopping the machine as claimed in claim 5, characterized in that: The machine platform (24) comprises a wall panel (27), a baffle (40) and a bottom panel (41); the wall panel (27), the baffle (40) and the bottom panel (41) form a waste collection chamber with an opening facing upward; the bottom panel (41) is low in the middle and high at two sides; the bottom panel (41) is trapezoidal; and a waste collection opening (42) is provided in the middle of the bottom panel (41).

8. The non-stop plastic film punching machine according to claim 3, characterized in that: The mounting frame (25) comprises a front frame (43) and a rear frame (44); the crossbeam (15) is arranged between the front frame (43) and the rear frame (44); the punching knife (13) is provided with a waste blowing port; the front frame (43) and the rear frame (44) have an air supply cavity (45); an air supply pipe (46) is arranged between the front frame (43) and the rear frame (44); the air supply pipe (46) has an extension cavity; the extension cavity is communicated with the air supply cavity (45); the waste blowing port is communicated with the extension cavity; and the air supply cavity (45) is communicated with an air source.

9. A plastic film punching machine capable of adjustment without stopping the machine as claimed in claim 8, characterized in that: The air supply cavity (45) has an air outlet (47) for installing the air supply pipe (46), the air outlet (47) being communicated with the extension cavity, a partition plate (48) being provided in the air supply cavity (45), the partition plate (48) being arranged at the air outlet (47), the highest point of the partition plate (48) being higher than the lowest point of the air outlet (47).

10. The plastic film punching machine capable of adjustment without stopping the machine as claimed in claim 1, characterized in that: A film storage assembly (26) is provided between the punching units (21), the film storage assembly (26) comprising a third guide roller (49), a fourth guide roller (50) and an adjusting roller (51), the adjusting roller (51) being arranged to be raised and lowered, and the adjusting roller (51) being higher than the third guide roller (49) and the fourth guide roller (50).

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