Cutting device for plastic film production

Abstract

The utility model discloses a cutting device for plastic film production. The cutting device comprises a cutting mechanism and a first driving motor installed on one side of the cutting mechanism. A feeding mechanism and a second driving motor mounted on one side of the feeding mechanism are arranged on one side of the cutting mechanism; the cutting mechanism comprises a support, telescopic cylinders are fixedly connected to the left end and the right end of the top of the support, fixing blocks are fixedly connected to the output ends of the two telescopic cylinders, and one side of each fixing block is fixedly connected with a first driving motor; wherein the output end of the first driving motor penetrates through the fixing block and is fixedly connected with a threaded rod, the end, away from the first driving motor, of the threaded rod is rotationally connected with the fixing block, and the outer side of the threaded rod is in threaded connection with a threaded sleeve. And by arranging the feeding mechanism, automatic feeding of the plastic film can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting devices, in particular to a cutting device for producing plastic films. Background Art

[0002] Plastic film is a film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, used for packaging and as a coating layer. Plastic packaging and plastic packaging products occupy an increasingly larger share in the market, especially composite plastic flexible packaging, which has been widely used in food, medicine, chemical and other fields, among which food packaging accounts for the largest proportion, such as beverage packaging, frozen food packaging, steamed food packaging, fast food packaging, etc. These products have brought great convenience to people's lives.

[0003] Publication No. CN212474046U discloses a cutting device for plastic film production, which controls the first electric push rod to work through an external manual control system to drive the fixed plate, the cutting knife and the extrusion plate to move downward, so that two extrusion plates of the same specifications are fitted with the plastic film, and the plastic film is fixed on the top of the hollow groove through the extrusion plate, and the cutting knife is just aligned with the inner side of the hollow groove, and then the fixed plate is controlled to move downward, and the fixed plate squeezes the spring to make it elastically deformed, and the extrusion plate and the plastic film are fixed more firmly through the spring, and the plastic film is cut by the cutting knife, so that the cutting knife is controlled by the machine to cut the plastic film, which greatly saves manpower, and the cutting knife can quickly cut the plastic film, and can quickly provide the required specifications of the plastic film, which greatly improves the cutting efficiency. However, the patent still has the following problems in actual use:

[0004] Although the cutting device for plastic film production cuts the plastic film by controlling the cutting knife through a machine, which greatly saves manpower, the downward pressing cutting method of the cutting knife easily causes elastic deformation at the cut of the plastic film, resulting in an uneven cut.

[0005] A cutting device for producing plastic film is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a cutting device for plastic film production, so as to solve the problem that the plastic film is currently cut by a machine-controlled cutting knife, which greatly saves manpower, but the downward pressing cutting method of the cutting knife is prone to elastic deformation at the incision of the plastic film, resulting in an uneven incision.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A cutting device for producing plastic film, comprising a cutting mechanism, and a first driving motor installed on one side of the cutting mechanism;

[0008] A feeding mechanism is provided on one side of the cutting mechanism, and a second driving motor is installed on one side of the feeding mechanism;

[0009] Also includes:

[0010] The cutting mechanism comprises a bracket, the left and right ends of the top of the bracket are fixedly connected with telescopic cylinders, the output ends of the two telescopic cylinders are fixedly connected with fixed blocks, and one side of the fixed block is fixedly connected with the first driving motor;

[0011] The output end of the first driving motor passes through the fixed block and is fixedly connected with a threaded rod, one end of the threaded rod away from the first driving motor is rotatably connected with the fixed block, and the outer side of the threaded rod is threadedly connected with a threaded sleeve;

[0012] The top of the threaded sleeve is fixedly connected with a sliding sleeve, the interior of the sliding sleeve is slidably connected with a guide rod, the left and right ends of the guide rod are fixedly connected with a fixed block, and the bottom of the threaded sleeve is fixedly connected with a tool.

[0013] Preferably, a sleeve is fixedly connected to the bottom of the fixing block, a spring is arranged inside the sleeve, one end of the spring is fittedly connected to a cylinder, and the outer side of the cylinder is slidably connected to the sleeve.

[0014] Preferably, one end of the cylinder away from the spring is fixedly connected to a pressing plate, and a workbench is arranged below the pressing plate.

[0015] Preferably, the feeding mechanism includes a base, one side of the top of the base is fixedly connected to the second drive motor, the output end of the second drive motor is fixedly connected to the first pulley, and the outer side of the first pulley is fittedly connected to the first belt body.

[0016] Preferably, one end of the first belt body away from the first pulley is closely connected to a film roller, both ends of the film roller are rotatably connected to support plates, and the bottom of the support plate is fixedly connected to the base.

[0017] Preferably, a second pulley is fixedly connected to a side of the output end of the second driving motor close to the first pulley, a second belt body is fitly connected to an outer side of the second pulley, and an end of the second belt body away from the second pulley is fitly connected to the first roller.

[0018] Preferably, both ends of the first roller are rotatably connected to a limit plate, the bottom of the limit plate is fixedly connected to the base, and the side of the limit plate close to the first roller is rotatably connected to the second roller.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows: the cutting device for plastic film production can quickly cut the plastic film by setting a cutting mechanism, and can realize automatic feeding of the plastic film by setting a feeding mechanism. The specific contents are as follows:

[0020] 1. The plastic film can be quickly cut by setting a cutting mechanism. The threaded rod is driven to rotate by the first driving motor. The threaded action between the threaded rod and the threaded sleeve is used to drive the sliding sleeve to rotate. The guide rod is used to limit the sliding sleeve, thereby driving the tool to move left and right on the surface of the guide rod to cut the plastic film. The telescopic cylinder drives the pressing plate to press down, so as to limit the plastic film and avoid uneven cutting of the plastic film.

[0021] 2. By setting up a feeding mechanism, automatic feeding of plastic film can be realized. The first pulley and the second pulley are driven to rotate simultaneously by the second driving motor. The synchronization effect of the first belt body and the second belt body is utilized to drive the film roller and the first roller to rotate simultaneously, thereby realizing automatic feeding of plastic film and reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the side view structure of the bracket of the utility model;

[0024] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0025] Figure 4 For this utility model Figure 1 Enlarged structural diagram at B in the middle.

[0026] In the figure: 1. cutting mechanism; 101. bracket; 102. telescopic cylinder; 103. fixed block; 104. first drive motor; 105. threaded rod; 106. threaded sleeve; 107. sliding sleeve; 108. guide rod; 109. tool; 110. sleeve; 111. spring; 112. cylinder; 113. pressure plate; 114. workbench; 2. feeding mechanism; 201. base; 202. second drive motor; 203. first pulley; 204. first belt body; 205. film roller; 206. support plate; 207. second pulley; 208. second belt body; 209. first roller; 210. limit plate; 211. second roller. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-4 The utility model provides a technical solution: a cutting device for plastic film production, comprising a cutting mechanism 1, and a first driving motor 104 installed on one side of the cutting mechanism 1; a feeding mechanism 2 is provided on one side of the cutting mechanism 1, and a second driving motor 202 is installed on one side of the feeding mechanism 2; the cutting mechanism 1 comprises a bracket 101, and the left and right ends of the top of the bracket 101 are fixedly connected with telescopic cylinders 102, and the output ends of the two telescopic cylinders 102 are fixedly connected with fixed blocks 103, and one side of the fixed block 103 is fixedly connected with the first driving motor 104. By setting the telescopic cylinder 102, the pressing plate 113 can be driven to move downward, and the plastic film can be limited;

[0029] The output end of the first driving motor 104 passes through the fixed block 103 and is fixedly connected to a threaded rod 105. One end of the threaded rod 105 away from the first driving motor 104 is rotatably connected to the fixed block 103. The outer side of the threaded rod 105 is threadedly connected to a threaded sleeve 106. The threaded rod 105 is driven to rotate by the first driving motor 104.

[0030] The top of the threaded sleeve 106 is fixedly connected with a sliding sleeve 107, and the inside of the sliding sleeve 107 is slidably connected with a guide rod 108. The left and right ends of the guide rod 108 are fixedly connected to the fixed block 103. The bottom of the threaded sleeve 106 is fixedly connected with a tool 109. The threaded action between the threaded rod 105 and the threaded sleeve 106 drives the sliding sleeve 107 to rotate, and the guide rod 108 limits the sliding sleeve 107, thereby driving the tool 109 to move left and right on the surface of the guide rod.

[0031] The bottom of the fixed block 103 is fixedly connected with a sleeve 110, a spring 111 is arranged inside the sleeve 110, one end of the spring 111 is fitted with a cylinder 112, the outer side of the cylinder 112 is slidably connected with the sleeve 110, and one end of the cylinder 112 away from the spring 111 is fixedly connected with a pressing plate 113, a workbench 114 is arranged below the pressing plate 113, and the bottom of the workbench 114 is fixedly connected with the base 201;

[0032] The feeding mechanism 2 includes a base 201, one side of the top of the base 201 is fixedly connected to the second driving motor 202, the output end of the second driving motor 202 is fixedly connected to the first belt pulley 203, the outer side of the first belt pulley 203 is closely connected to the first belt body 204, and the second driving motor 202 drives the first belt pulley 203 and the second belt pulley 207 to rotate simultaneously;

[0033] One end of the first belt body 204 away from the first pulley 203 is fitted with a film roller 205, and both ends of the film roller 205 are rotatably connected to support plates 206, and the bottom of the support plate 206 is fixedly connected to the base 201, and the film roller 205 can be limited by setting the support plate 206;

[0034] A second pulley 207 is fixedly connected to one side of the output end of the second driving motor 202 close to the first pulley 203, a second belt body 208 is attached to the outer side of the second pulley 207, and a first roller 209 is attached to one end of the second belt body 208 away from the second pulley 207, and the first roller 209 is driven to rotate by the attachment between the second belt body 208 and the second pulley 207;

[0035] Both ends of the first roller 209 are rotatably connected to the limit plate 210, the bottom of the limit plate 210 is fixedly connected to the base 201, and the side of the limit plate 210 close to the first roller 209 is rotatably connected to the second roller 211. The cooperation between the second roller 211, the first roller 209 and the film roller 205 can realize automatic feeding of the plastic film.

[0036] Working principle: Before using this plastic film production cutting device, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 4 As shown, firstly, the plastic film is placed on the film roller 205, and then the second driving motor 202 is started to drive the first pulley 203 and the second pulley 207 to rotate simultaneously, and the first belt body 204 and the second belt body 208 are used to synchronize, thereby driving the film roller 205 and the first roller 209 to rotate simultaneously, thereby realizing automatic feeding of the plastic film;

[0037] Secondly, start the first drive motor 104 to drive the threaded rod 105 to rotate, and utilize the threaded action between the threaded rod 105 and the threaded sleeve 106 to drive the sliding sleeve 107 to rotate. Utilize the limiting effect of the guide rod 108 on the sliding sleeve 107, thereby drive the tool 109 to move left and right on the surface of the guide rod, and the plastic film can be cut. The telescopic cylinder 102 drives the pressing plate 113 to press down, so as to limit the plastic film and avoid uneven cutting of the plastic film.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cutting device for producing plastic film, comprising a cutting mechanism (1), and a first driving motor (104) mounted on one side of the cutting mechanism (1); A feeding mechanism (2) is provided on one side of the cutting mechanism (1), and a second driving motor (202) is installed on one side of the feeding mechanism (2); It is characterized in that Also includes: The cutting mechanism (1) comprises a bracket (101), the left and right ends of the top of the bracket (101) are fixedly connected to telescopic cylinders (102), the output ends of the two telescopic cylinders (102) are fixedly connected to fixed blocks (103), and one side of the fixed block (103) is fixedly connected to a first drive motor (104); The output end of the first drive motor (104) passes through the fixed block (103) and is fixedly connected to a threaded rod (105); one end of the threaded rod (105) away from the first drive motor (104) is rotatably connected to the fixed block (103); and the outer side of the threaded rod (105) is threadedly connected to a threaded sleeve (106); The top of the threaded sleeve (106) is fixedly connected to a sliding sleeve (107), the interior of the sliding sleeve (107) is slidably connected to a guide rod (108), both left and right ends of the guide rod (108) are fixedly connected to a fixed block (103), and the bottom of the threaded sleeve (106) is fixedly connected to a tool (109).

2. A cutting device for plastic film production according to claim 1, characterized in that: The bottom of the fixed block (103) is fixedly connected to a sleeve (110), a spring (111) is arranged inside the sleeve (110), one end of the spring (111) is fittedly connected to a cylinder (112), and the outer side of the cylinder (112) is slidably connected to the sleeve (110).

3. A cutting device for plastic film production according to claim 2, characterized in that: One end of the cylinder (112) away from the spring (111) is fixedly connected to a pressing plate (113), and a workbench (114) is arranged below the pressing plate (113).

4. A cutting device for plastic film production according to claim 1, characterized in that: The feeding mechanism (2) comprises a base (201), one side of the top of the base (201) is fixedly connected to a second drive motor (202), the output end of the second drive motor (202) is fixedly connected to a first belt pulley (203), and the outer side of the first belt pulley (203) is fittedly connected to a first belt body (204).

5. A cutting device for plastic film production according to claim 4, characterized in that: One end of the first belt body (204) away from the first pulley (203) is fittedly connected to a film roller (205), and both ends of the film roller (205) are rotatably connected to a support plate (206), and the bottom of the support plate (206) is fixedly connected to the base (201).

6. A cutting device for plastic film production according to claim 5, characterized in that: A second pulley (207) is fixedly connected to a side of the output end of the second driving motor (202) close to the first pulley (203), a second belt body (208) is fittedly connected to the outer side of the second pulley (207), and a first roller (209) is fittedly connected to an end of the second belt body (208) away from the second pulley (207).

7. A cutting device for plastic film production according to claim 6, characterized in that: Both ends of the first roller (209) are rotatably connected to a limit plate (210), the bottom of the limit plate (210) is fixedly connected to the base (201), and the side of the limit plate (210) close to the first roller (209) is rotatably connected to a second roller (211).

Images