A lateral opening device

Abstract

This utility model belongs to the field of film opening technology, and in particular to a side opening device. It includes a fixing mechanism and an opening mechanism both mounted on a machine body. The fixing mechanism includes: a placement platform fixed to the top of the machine body; a lower pneumatic suction cup mounted on the placement platform; and an upper pneumatic suction cup located directly above the lower pneumatic suction cup and freely movable vertically, with the upper and lower pneumatic suction cups distributed opposite each other. In this utility model, the lower and upper pneumatic suction cups allow for both single-sided opening and double-sided opening by unfolding the film, thus meeting different processing requirements.

Description

Technical Field

[0001] This utility model belongs to the field of thin film opening technology, and specifically relates to a side opening device. Background Technology

[0002] In the food processing industry, a large number of plastic bags are usually needed to store the food produced. The openings of the purchased plastic bags must be open, and some plastic bags need to be opened on the side. Therefore, when making plastic bags, it is necessary to process the openings.

[0003] In the prior art, Chinese utility model patent with authorization announcement number CN220535079U discloses "a lateral opening device", which includes an opening machine body. A hydraulic cylinder is installed at the upper end of the opening machine body, and an opening frame is installed at the driving end of the hydraulic cylinder. A film clamp is installed at the bottom end of the opening machine body. The film clamp includes clamp plate a and clamp plate b, and clamp plate a and clamp plate b are arranged opposite to each other. Adsorption holes are opened on the side walls of clamp plate a and clamp plate b, and suction cup assemblies are installed in the adsorption holes.

[0004] While existing film side-opening devices, including those mentioned above, can meet general processing needs, in actual use, because films are usually composed of two layers with a certain gap in between, after the film is clamped by a clamp, it is easy to cut through the film during the cutting process, resulting in two side openings, i.e., double-sided openings. This makes it impossible to process films with single-sided openings, and thus cannot meet different processing needs.

[0005] To address the aforementioned problems, this application proposes a lateral opening device. Utility Model Content

[0006] To address the aforementioned problems in the existing technology, this utility model provides a lateral opening device, which is convenient to use and has a wide range of applications.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a lateral opening device, comprising a fixing mechanism and an opening mechanism both mounted on the machine body, wherein the fixing mechanism includes:

[0008] A placement platform, which is fixed to the top of the machine body;

[0009] A lower pneumatic suction cup is mounted on the placement platform;

[0010] An upper pneumatic suction cup is located directly above the lower pneumatic suction cup and can move freely in the vertical direction. The upper pneumatic suction cup and the lower pneumatic suction cup are distributed opposite to each other.

[0011] As a preferred embodiment of this utility model, the fixing mechanism further includes:

[0012] The lower slider has a guide groove on the placement platform, and the two lower sliders slide within the guide groove. A lower pneumatic suction cup is fixed on each of the two lower sliders.

[0013] A lower bidirectional screw is rotatably mounted in the guide groove, and the lower bidirectional screw passes through the lower slider and is connected to the lower slider by a threaded engagement.

[0014] A first asynchronous motor is fixed on the placement platform to drive the lower bidirectional screw to rotate.

[0015] As a preferred embodiment of this utility model, the fixing mechanism further includes:

[0016] Type 1 n-frame;

[0017] The two upper sliders slide inside the first n-shaped frame, and each upper slider is fixed with an upper pneumatic suction cup.

[0018] An upper bidirectional screw is rotatably installed inside the first n-type frame, and the upper bidirectional screw passes through the upper slider and is connected to the upper slider by a threaded engagement.

[0019] The second asynchronous motor is fixed on the first n-type frame and is used to drive the upper bidirectional screw to rotate.

[0020] As a preferred embodiment of this utility model, the fixing mechanism further includes:

[0021] An inverted L-shaped bracket is fixed to the top of the machine body;

[0022] The first vertical cylinder is fixed on the horizontal part of the inverted L-shaped bracket, and the piston rod of the first vertical cylinder passes through the horizontal part of the inverted L-shaped bracket and is fixedly connected to the first n-shaped bracket.

[0023] As a preferred technical solution of this utility model, it also includes:

[0024] The first guide post is fixed on the first n-shaped frame and passes through the horizontal part of the inverted L-shaped bracket.

[0025] As a preferred embodiment of this utility model, it further includes a support mechanism, and the support mechanism includes:

[0026] A base, which is movably connected to the body;

[0027] Side plates, two of which are symmetrically fixed to the base, and the opening mechanism is installed at the top of the side plates.

[0028] As a preferred embodiment of this utility model, the opening mechanism includes:

[0029] A top plate, which is fixed to the top of the side plate;

[0030] The second n-shaped frame is located below the top plate and can move freely in the vertical direction;

[0031] A movable seat that slides inside the second n-shaped frame;

[0032] A threaded rod is rotatably mounted inside the second n-type frame, and the threaded rod passes through the movable seat and is connected to the movable seat by a threaded engagement.

[0033] The No. 3 asynchronous motor is fixed on the No. 2 n-type frame and is used to drive the threaded rod to rotate;

[0034] Two perforated mounting ears are symmetrically fixed to the movable base;

[0035] A cutter, which is rotatably mounted between the two perforated mounting ears;

[0036] A servo motor, which is fixed to the mounting lug with holes, is used to drive the cutter to rotate.

[0037] As a preferred embodiment of this utility model, the opening mechanism further includes:

[0038] The second vertical cylinder is fixed to the top plate, and the piston rod of the second vertical cylinder passes through the top plate and is fixedly connected to the second n-type frame.

[0039] The second guide post is fixed on the second n-shaped frame and penetrates the top plate.

[0040] As a preferred embodiment of this utility model, it further includes a drive mechanism, which is mounted on the body for driving the support mechanism to move horizontally, and the drive mechanism includes:

[0041] A fixing plate, which is fixed to the machine body;

[0042] A horizontal cylinder is fixed to the fixed plate, and the piston rod of the horizontal cylinder passes through the fixed plate and is fixedly connected to the base.

[0043] As a preferred technical solution of this utility model, it also includes:

[0044] Two T-shaped guide rails are symmetrically fixed on the machine body, and a T-shaped sliding hole is provided at the bottom end of the base for the T-shaped guide rails to pass through.

[0045] Compared with the prior art, the beneficial effects of this utility model are:

[0046] In this invention, the lower and upper pneumatic suction cups can be used to unfold the film for single-sided opening or clamp the film for double-sided opening, thus meeting different processing requirements.

[0047] Other additional advantages and benefits of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0048] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0049] Figure 1 This is a schematic diagram of the structure of this utility model;

[0050] Figure 2 This is an isometric structural diagram of the fixing mechanism in this utility model;

[0051] Figure 3 This is an isometric structural diagram of the opening mechanism in this utility model;

[0052] Figure 4 This utility model Figure 1 A magnified structural diagram at point A in the diagram.

[0053] In the diagram: 1. Body; 2. Fixing mechanism; 21. Placement platform; 211. Guide groove; 22. Lower slider; 23. Lower pneumatic suction cup; 24. Lower bidirectional screw; 25. Asynchronous motor No. 1; 26. Inverted L-shaped bracket; 27. N-shaped bracket No. 1; 271. Guide column No. 1; 28. Upper slider; 29. ​​Upper pneumatic suction cup; 210. Upper bidirectional screw; 212. Vertical cylinder No. 1; 213. Asynchronous motor No. 2; 3. Support mechanism; 31. Base; 311. T-shaped sliding hole; 32. Side plate; 4. Drive mechanism; 41. Fixed plate; 42. Horizontal cylinder; 5. Opening mechanism; 51. Top plate; 52. No. 2 n-shaped frame; 521. No. 2 guide column; 53. Moving seat; 54. Mounting ear with hole; 55. Cutter; 56. Servo motor; 57. Threaded rod; 58. No. 3 asynchronous motor; 59. No. 2 vertical cylinder; 6. T-shaped guide rail. Detailed Implementation

[0054] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0055] Please see Figures 1-4 The present invention provides the following technical solution: a side opening device, including a fixing mechanism 2 and an opening mechanism 5, both of which are installed on the body 1. The fixing mechanism 2 includes: a placement platform 21, a lower pneumatic suction cup 23 and an upper pneumatic suction cup 29.

[0056] Specifically, by Figure 1 and Figure 2 As shown, the placement platform 21 is fixed to the top of the machine body 1. The lower pneumatic suction cup 23 is installed on the placement platform 21. The upper pneumatic suction cup 29 is located directly above the lower pneumatic suction cup 23 and can move freely in the vertical direction. The upper pneumatic suction cup 29 and the lower pneumatic suction cup 23 are distributed opposite to each other. Therefore, the lower pneumatic suction cup 23 is used to adsorb the bottom side of the film, and the upper pneumatic suction cup 29 is used to adsorb the top side of the film. Through the lower pneumatic suction cup 23 and the upper pneumatic suction cup 29, the film can be unfolded to make a single-sided opening or the film can be clamped to make a double-sided opening, thus meeting different processing requirements.

[0057] Considering the large volume of the thin film, using only a single upper pneumatic suction cup 29 and a single lower pneumatic suction cup 23 for fixation would be unstable. Therefore, in this embodiment, [the following is used:] Figure 1 and Figure 2 As shown, the fixing mechanism 2 also includes: a lower slider 22, a lower bidirectional screw 24, and an asynchronous motor 25.

[0058] Specifically, the placement table 21 has a guide groove 211, two lower sliders 22 slide within the guide groove 211, and a lower pneumatic suction cup 23 is fixed on each of the two lower sliders 22. A lower bidirectional screw 24 is rotatably installed within the guide groove 211, and the lower bidirectional screw 24 passes through the lower slider 22 and is connected to the lower slider 22 by a threaded engagement. An asynchronous motor 25 is fixed on the placement table 21 to drive the lower bidirectional screw 24 to rotate. Therefore, this utility model designs two lower pneumatic suction cups 23 (theoretically there can be more, but this embodiment uses two as an example; generally, two are sufficient to meet processing requirements), which adsorb the bottom two ends of the film through the two lower pneumatic suction cups 23.

[0059] In addition, when the film is unfolded, the two ends of the film will shrink inward. At this time, the No. 1 asynchronous motor 25 can be started to drive the lower bidirectional screw 24 to rotate, so that the two lower sliders 22 will drive the two lower pneumatic suction cups 23 to move inward a certain distance under the screw rotation, so as to ensure the safety of the film.

[0060] Accordingly, by Figure 1 and Figure 2 As shown in this embodiment, the fixing mechanism 2 further includes: a first n-shaped frame 27, an upper slider 28, an upper bidirectional screw 210, and a second asynchronous motor 213.

[0061] Specifically, the two upper sliders 28 slide inside the first n-shaped frame 27, and each upper pneumatic suction cup 29 is fixed on the two upper sliders 28. The upper bidirectional screw 210 is rotatably installed inside the first n-shaped frame 27, and the upper bidirectional screw 210 passes through the upper sliders 28 and is connected to the upper sliders 28 by a threaded engagement. The second asynchronous motor 213 is fixed on the first n-shaped frame 27 to drive the upper bidirectional screw 210 to rotate. Therefore, while using the double lower pneumatic suction cups 23, the double upper pneumatic suction cups 29 should also be used. When unfolding the film, the second asynchronous motor 213 is started at the same time to drive the upper bidirectional screw 210 to rotate, so that the two upper sliders 28, under the threaded engagement, drive the two upper pneumatic suction cups 29 to move closer to the inward side by a certain distance.

[0062] Optionally, by Figure 1 and Figure 2 As shown in this embodiment, the fixing mechanism 2 further includes: an inverted L-shaped bracket 26 and a first vertical cylinder 212.

[0063] Specifically, the inverted L-shaped bracket 26 is fixed to the top of the machine body 1, and the first vertical cylinder 212 is fixed to the horizontal part of the inverted L-shaped bracket 26. The piston rod of the first vertical cylinder 212 passes through the horizontal part of the inverted L-shaped bracket 26 and is fixedly connected to the first n-shaped bracket 27. By activating the first vertical cylinder 212, the first n-shaped bracket 27 can be driven to move in the vertical direction to pull the upper pneumatic suction cup 29 up to unfold the film, or push the upper pneumatic suction cup 29 down and cooperate with the lower pneumatic suction cup 23 to clamp the film.

[0064] Preferably, by Figure 1 and Figure 2 As shown, in this embodiment, it also includes: a first guide post 271, which is fixed on the first n-shaped frame 27 and passes through the horizontal part of the inverted L-shaped bracket 26, and is used to guide the first n-shaped frame 27 and improve the stability of the first n-shaped frame 27.

[0065] Optionally, by Figure 1As shown, in this embodiment, a support mechanism 3 is also included, and the support mechanism 3 includes: a base 31 and a side plate 32. The base 31 is movably connected to the body 1, and the two side plates 32 are symmetrically fixed on the base 31. An opening mechanism 5 is installed on the top of the side plate 32.

[0066] Specifically, by Figure 1 and Figure 3 As shown, in this embodiment, the opening mechanism 5 includes: a top plate 51, a second n-shaped frame 52, a movable seat 53, a threaded rod 57, a third asynchronous motor 58, a mounting ear with holes 54, a cutter 55, and a servo motor 56. The top plate 51 is fixed to the top of the side plate 32. The second n-shaped frame 52 is located below the top plate 51 and can move freely in the vertical direction. The movable seat 53 slides inside the second n-shaped frame 52. The threaded rod 57 is rotatably installed inside the second n-shaped frame 52 and passes through the movable seat 53 and is connected to the movable seat 53 by threaded engagement. The third asynchronous motor 58 is fixed. The threaded rod 57 is driven to rotate on the second n-type frame 52. Two mounting ears 54 with holes are symmetrically fixed on the moving base 53. The cutter 55 is rotatably mounted between the two mounting ears 54 with holes. The servo motor 56 is fixed on the mounting ears 54 with holes to drive the cutter 55 to rotate. Therefore, when making a cut, the second n-type frame 52 is first moved down to bring the cutter 55 closer to the film. Then, the servo motor 56 is started to make the cutter 55 rotate to a suitable angle. Then, the third asynchronous motor 58 is started to drive the threaded rod 57 to rotate. The moving base 53 drives the cutter 55 to move under the action of the threaded rotation, thus completing the cut.

[0067] Optionally, by Figure 1 and Figure 3 As shown in this embodiment, the opening mechanism 5 further includes: a second vertical cylinder 59 and a second guide post 521. The second vertical cylinder 59 is fixed on the top plate 51, and the piston rod of the second vertical cylinder 59 passes through the top plate 51 and is fixedly connected to the second n-shaped frame 52. The second guide post 521 is fixed on the second n-shaped frame 52 and passes through the top plate 51. The second vertical cylinder 59 provides the power for the second n-shaped frame 52 to move in the vertical direction. The second guide post 521 is used to guide the second n-shaped frame 52 and improve the stability of the second n-shaped frame 52.

[0068] Optionally, by Figure 1 As shown, in this embodiment, a drive mechanism 4 is also included. The drive mechanism 4 is mounted on the body 1 to drive the support mechanism 3 to move in the horizontal direction. The drive mechanism 4 includes a fixed plate 41 and a horizontal cylinder 42. The fixed plate 41 is fixed on the body 1, and the horizontal cylinder 42 is fixed on the fixed plate 41. The piston rod of the horizontal cylinder 42 passes through the fixed plate 41 and is fixedly connected to the base 31. The horizontal cylinder 42 adjusts the horizontal position of the support mechanism 3 so that the opening mechanism 5 is closer to or further away from the film.

[0069] Preferably, by Figure 1 and Figure 4 As shown, in this embodiment, it also includes: T-shaped guide rails 6, two T-shaped guide rails 6 are symmetrically fixed on the body 1, and a T-shaped sliding hole 311 is provided at the bottom end of the base 31 for the T-shaped guide rails 6 to pass through, so as to guide the base 31 and improve the stability of the base 31.

[0070] It should be noted that the No. 1 asynchronous motor 25, the No. 1 vertical cylinder 212, the No. 2 asynchronous motor 213, the horizontal cylinder 42, the servo motor 56, the No. 3 asynchronous motor 58, and the No. 2 vertical cylinder 59 are all commercially available conventional equipment with built-in power switches. Those skilled in the art can make conventional selections according to their needs. Their working principles are common knowledge known to those skilled in the art and have been fully disclosed in the prior art, so they will not be elaborated on further in this article.

[0071] The circuit connection involved in this utility model is a common method used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments. It belongs to the widely used prior art.

[0072] Components not described in detail in this article are existing technologies.

[0073] The working principle and usage process of this utility model: When using the side opening device of this utility model, the film is placed on the placement platform 21. First, the two lower pneumatic suction cups 23 are used to adsorb the bottom two ends of the film. Then, the first vertical cylinder 212 is activated to move the upper pneumatic suction cup 29 down and use the two upper pneumatic suction cups 29 to adsorb the top two ends of the film.

[0074] If the opening is on both sides, the film can be clamped by two lower pneumatic suction cups 23 and two upper pneumatic suction cups 29. If the opening is on one side, the first vertical cylinder 212 needs to be activated to move the upper pneumatic suction cup 29 upward and unfold the film. At the same time, the first asynchronous motor 25 and the second asynchronous motor 213 need to be activated to move the two lower pneumatic suction cups 23 and the two upper pneumatic suction cups 29 closer to the inside by a certain distance.

[0075] Activate the horizontal cylinder 42, which pushes the opening mechanism 5 closer to the membrane.

[0076] Start the second vertical cylinder 59 to move the second n-shaped frame 52 down, so that the cutter 55 is close to the film. Then start the servo motor 56 to rotate the cutter 55 to a suitable angle. Then start the third asynchronous motor 58 to drive the threaded rod 57 to rotate, so that the moving seat 53 drives the cutter 55 to move under the threaded rotation, thus completing the cut.

[0077] This utility model, through the lower pneumatic suction cup 23 and the upper pneumatic suction cup 29, can either unfold the film to make a single-sided opening or clamp the film to make a double-sided opening, thus meeting different processing needs.

[0078] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A side opening device comprising a fixing mechanism (2) and an opening mechanism (5) both mounted on a body (1), characterized in that, The fixing mechanism (2) includes: A placement platform (21) is fixed to the top of the body (1); A lower pneumatic suction cup (23) is mounted on the placement platform (21); The upper pneumatic suction cup (29) is located directly above the lower pneumatic suction cup (23) and can move freely in the vertical direction. The upper pneumatic suction cup (29) and the lower pneumatic suction cup (23) are distributed opposite to each other.

2. A side opening device according to claim 1, characterized in that: The fixing mechanism (2) also includes: The lower slider (22) has a guide groove (211) on the placement platform (21), and the two lower sliders (22) slide in the guide groove (211), and a lower pneumatic suction cup (23) is fixed on each of the two lower sliders (22). The lower bidirectional screw (24) is rotatably installed in the guide groove (211), and the lower bidirectional screw (24) passes through the lower slider (22) and is connected to the lower slider (22) by means of thread engagement; A first asynchronous motor (25) is fixed on the placement platform (21) to drive the lower bidirectional screw (24) to rotate.

3. A lateral opening device according to claim 1, characterized in that: The fixing mechanism (2) also includes: Type 1 n frame (27); Upper slider (28), the two upper sliders (28) slide inside the first n-type frame (27), and upper pneumatic suction cups (29) are fixed on the two upper sliders (28); The upper bidirectional screw (210) is rotatably installed in the first n-type frame (27), and the upper bidirectional screw (210) passes through the upper slider (28) and is connected to the upper slider (28) by means of thread engagement; The second asynchronous motor (213) is fixed on the first n-type frame (27) to drive the upper bidirectional screw (210) to rotate.

4. A side opening device according to claim 3, characterized in that: The fixing mechanism (2) also includes: An inverted L-shaped bracket (26) is fixed to the top of the body (1); The first vertical cylinder (212) is fixed on the horizontal part of the inverted L-shaped bracket (26), and the piston rod of the first vertical cylinder (212) passes through the horizontal part of the inverted L-shaped bracket (26) and is fixedly connected to the first n-shaped bracket (27).

5. A side opening device according to claim 4, characterized in that: Also includes: The first guide post (271) is fixed on the first n-shaped frame (27) and passes through the horizontal part of the inverted L-shaped bracket (26).

6. A side opening device according to claim 1, characterized in that: It also includes a support mechanism (3), and the support mechanism (3) includes: A base (31) is movably connected to the body (1); Side plates (32), two side plates (32) are symmetrically fixed on the base (31), and the opening mechanism (5) is installed on the top of the side plates (32).

7. A side opening device according to claim 6, characterized in that: The opening mechanism (5) includes: Top plate (51), the top plate (51) is fixed to the top of the side plate (32); The second n-type frame (52) is located below the top plate (51) and can move freely in the vertical direction; A movable seat (53) is located inside the second n-shaped frame (52) and slides therein. A threaded rod (57) is rotatably mounted inside the second n-type frame (52), and the threaded rod (57) passes through the movable seat (53) and is connected to the movable seat (53) by a threaded engagement. The third asynchronous motor (58) is fixed on the second n-type frame (52) and is used to drive the threaded rod (57) to rotate; Two perforated mounting ears (54) are symmetrically fixed on the movable base (53); A cutter (55) is rotatably mounted between two perforated mounting ears (54); A servo motor (56) is fixed on the perforated mounting lug (54) for driving the cutter (55) to rotate.

8. A lateral opening device according to claim 7, characterized in that: The opening mechanism (5) further includes: The second vertical cylinder (59) is fixed on the top plate (51), and the piston rod of the second vertical cylinder (59) passes through the top plate (51) and is fixedly connected to the second n-type frame (52). The second guide post (521) is fixed on the second n-shaped frame (52) and penetrates the top plate (51).

9. A side opening device according to claim 6, characterized in that: It also includes a drive mechanism (4), which is mounted on the body (1) for driving the support mechanism (3) to move horizontally, and the drive mechanism (4) includes: A fixing plate (41) is fixed to the body (1); A horizontal cylinder (42) is fixed on the fixed plate (41), and the piston rod of the horizontal cylinder (42) passes through the fixed plate (41) and is fixedly connected to the base (31).

10. A side opening device according to claim 9, characterized in that: Also includes: T-shaped guide rails (6) are fixed symmetrically on the body (1) and a T-shaped sliding hole (311) is provided at the bottom end of the base (31) for the T-shaped guide rails (6) to pass through.

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