Plastic bag perforating machine

Abstract

A plastic bag perforating machine comprises a workbench, a support and a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a pressing plate, the bottom face of the pressing plate is in bolted connection with an ejector rod, the ejector rod penetrates through an upper pressing block and a lower pressing block, an ejector plate is arranged at the position close to the top of the workbench, the top of the lower pressing block is arranged, and the bottom face of the ejector plate is in bolted connection with at least two sets of countersunk bolts. An upper pressing block is arranged on the countersunk bolt, an upper pressing hole in clearance fit with the bottom of the countersunk bolt is formed in the upper pressing block, a spring is arranged on the outer surface of the countersunk bolt, and the spring is arranged between the upper surface of the upper pressing block and the bottom face of the pressing plate. The problem that waste products are generated due to the fact that the cutting edge is worn and not replaced in time and plastic bags are torn during punching is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of puncher, concretely is a plastic bag puncher. BACKGROUND

[0002] The puncher is a kind of work that material is punched by destroying or cutting material, commonly used puncher is generally used to punch material by drilling or stamping structure, and the punching mode needs to be selected according to material quality.

[0003] Large-size plastic bag will be punched in processing production process to avoid subsequent packaging from appearing edge burst and preventing children from playing and putting plastic bag into head to appear suffocation and other conditions, the blade edge of existing plastic bag puncher will be abraded after long-time punching, and plastic bag will be torn to produce waste product when blade edge is not replaced in time, so a plastic bag puncher is required. SUMMARY

[0004] The utility model discloses a plastic bag puncher to solve the problem that plastic bag is easily torn after long-time use of the existing plastic bag puncher.

[0005] In view of the above problems, a plastic bag puncher is provided, characterized in that it comprises a workbench, a support and a hydraulic cylinder, the support is provided at the bottom of the workbench, the support is provided at the top of the workbench, and the hydraulic cylinder is connected to the support by bolts.

[0006] Preferably, the output end of the hydraulic cylinder is fixedly connected with a pressing plate, the bottom surface of the pressing plate is bolted with an ejection rod, the ejection rod penetrates the upper pressing block and the lower pressing block respectively, and the ejection plate is arranged near the top of the workbench and the top of the lower pressing block.

[0007] Preferably, the bottom of the upper pressing block is provided with a lower pressing block, the upper pressing block is provided with a connecting block, and the upper pressing block is provided with a connecting groove matched with the connecting block.

[0008] Preferably, the upper pressing block and the lower pressing block are provided with an upper heat channel on the contact surface, the upper heat channel is semicircular and the tail part penetrates the lower pressing block vertically along the contact surface, the bottom surface of the lower pressing block is provided with a lower heat channel, the lower heat channel is connected with the upper heat channel, and the hot cutting ring is fixedly connected to the bottom surface of the lower pressing block and the tail part of the upper heat channel is in contact with the hot cutting ring.

[0009] Preferably, the hot cutting ring circular transverse section is circular.

[0010] Preferably, the upper and lower pressing blocks are bolted with heating rods, and the heating rod heating end is fixedly connected with the upper heating channel.

[0011] Preferably, the workbench upper surface is bolted with a hot melting table, the hot melting table is provided with the hot melting ring, the hot melting ring is the same size as the hot cutting ring, and the hot melting ring is vertically coaxial with the hot cutting ring.

[0012] Preferably, the hot melting table is provided with a waste port.

[0013] Preferably, the upper heating channel, the lower heating channel, the hot cutting ring and the hot melting ring are all good heat conductive materials.

[0014] In summary, the beneficial effects of the present application are:

[0015] The original punching device is changed, the original cutting type punching is changed into hot melting type cutting, when the punching device is used, the hydraulic cylinder moves downward to press down and make the hot cutting ring press down the plastic bag to make the hot cutting ring melt the plastic bag, then the hydraulic cylinder continues to move to push the push rod downward to push the waste out of the waste port, thereby solving the problem of tearing the plastic bag during punching due to blade wear and not timely replacement, resulting in waste. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the present application;

[0017] Figure 2 It is a whole structure sectional view of the present application;

[0018] Figure 3 It is a lower pressing block structure schematic view of the present application;

[0019] Figure 4 It is an upper pressing block structure schematic view of the present application;

[0020] Figure 5 It is a heating channel and hot cutting ring structure schematic view of the present application.

[0021] In the figure: 111, support; 112, hydraulic cylinder; 211, workbench; 212, hot melting table; 2121, hot melting ring; 231, waste port; 311, pressing plate; 312, countersunk bolt; 313, spring; 321, ejector rod; 3211, ejector plate; 331, upper pressing block; 332, connecting groove; 333, upper pressing hole; 341, lower pressing block; 342, connecting block; 351, heating rod; 3511, heating end; 361, upper heating channel; 3611, upper heating channel head; 3612, upper heating channel tail; 363, hot cutting ring. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will make further detailed description to the utility model combining with the drawings and specific embodiments. Although the example embodiments are disclosed in the drawings, it should be understood that the utility model can be realized in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to facilitate a thorough understanding of the utility model and to convey the complete concept of the utility model to those skilled in the art.

[0023] In the description of the present application, the description of the terms "some embodiments", "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0024] In the present application, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; the term "a plurality of" means two or more, unless otherwise explicitly limited. The terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, or detachable connection, or integrally connected; "connected" can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Please refer to Figure 1 Or Figure 2As shown, the bracket 111 is provided with a workbench 211 at the bottom, and a hydraulic cylinder 112 is bolted to the top of the bracket 111, and the output end of the hydraulic cylinder 112 penetrates the top of the bracket 111 and the driving direction of the hydraulic cylinder 112 is perpendicular to the horizontal plane of the top of the workbench 211.

[0026] Further, the output end of the hydraulic cylinder 112 is fixedly connected with a pressing plate 311, the bottom surface of the pressing plate 311 is bolted with an ejection rod 321, the ejection rod 321 penetrates the upper pressing block 331 and the lower pressing block 341 respectively, there is an ejection plate 3211 near the top of the workbench 211 and the top of the lower pressing block 341, the bottom surface of the ejection plate 3211 is bolted with at least two groups of countersunk head bolts 312, the upper pressing block 331 is arranged on the countersunk head bolts 312, the upper pressing block 331 is provided with an upper pressing hole matched with the bottom of the countersunk head bolt 312, and the outer surface of the countersunk head bolt 312 is provided with a spring 313, and the spring 313 is arranged between the upper surface of the upper pressing block 331 and the bottom surface of the pressing plate 311.

[0027] Further, the bottom of the upper pressing block 331 is provided with the lower pressing block 341, the upper pressing block 331 is provided with a connecting groove 332 matched with the connecting block 342.

[0028] Please refer to Figure 2 Or Figures 3-5 As shown, the contact surface of the upper pressing block 331 and the lower pressing block 341 is provided with an upper heating channel 361, the upper heating channel 361 is semi-annular and the tail 3612 penetrates the lower pressing block 341 vertically along the contact surface, the bottom surface of the lower pressing block 341 is provided with a lower heating channel 362, the lower heating channel 362 is connected with the upper heating channel 361, and a hot cutting ring 363 is fixedly connected to the bottom surface of the lower pressing block 341 and the tail 3612 of the upper heating channel 361 is in contact with the hot cutting ring 363.

[0029] Please refer to Figure 5 As shown, the annular transverse section of the hot cutting ring 363 is circular.

[0030] Please refer to Figure 2 As shown, the upper pressing block 331 and the lower pressing block 341 are bolted with a heating rod 351, and the heating end 3511 of the heating rod 351 is fixedly connected with the head 3611 of the upper heating channel 361.

[0031] Please refer to Figure 1 As shown, the upper surface of the workbench 211 is bolted with a hot melting table 212, the hot melting table 212 is provided with a hot melting ring 2121, the hot melting ring 2121 has the same size as the hot cutting ring 363, and the hot melting ring 2121 is located vertically coaxially with the hot cutting ring 363.

[0032] Please refer to Figure 2 As shown, the hot melting table 212 is provided with a waste port 231.

[0033] In the embodiment, a plastic bag puncher is used, and when used, the plastic bag is installed on the external roll device and the feeding device, placed on the hot melting table 212 in a direction, the heating rod 351 is started to preheat, the heating end 3511 of the heating rod 351 is heated, the heat is transmitted to the hot cutting ring 363 along the upper heat channel 361 and the lower heat channel 362 to heat the hot cutting ring 363, the hydraulic cylinder 112 is started to press down, the output end of the hydraulic cylinder 112 drives the pressing plate 311 to push the upper pressing block 331 and the lower pressing block 341 to move downward, and finally the plastic bag is pressed to be tightly pressed on the hot melting ring 2121, the hot cutting ring 363 with the temperature rising presses the plastic bag to make the plastic bag melt at the position under pressure, the hydraulic cylinder 112 continues to move downward, the output end moves downward, the spring 313 is contracted under force and the ejection rod 321 and the ejection plate 3211 are ejected downward to eject the waste into the waste port 231, so that the problem that the plastic bag is torn during punching to cause waste due to the blade edge wear without timely replacement can be solved.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A plastic bag puncher characterized by, Including workbench (211), support (111) and hydraulic cylinder (112), the bottom of the support (111) is provided with workbench (211), the top of the support (111) is bolted with hydraulic cylinder (112), the output end of the hydraulic cylinder (112) penetrates the top of the support (111), and the driving direction of the hydraulic cylinder (112) is perpendicular to the top horizontal plane of the workbench (211), the upper surface of the workbench (211) is fixedly connected with hot melting table (212), the hot melting table (212) is provided with hot melting ring (2121), the output end of the hydraulic cylinder (112) is fixedly connected with pressing plate (311), the bottom surface of the pressing plate (311) is bolted with ejection rod (321), the ejection rod (321) penetrates the upper pressing block (331) and the lower pressing block (341) respectively, the upper pressing block (331) and the lower pressing block (341) are provided with upper heating channel (361) on the contact surface, the upper heating channel (361) is semicircular and the tail (3612) penetrates the lower pressing block (341) vertically, the bottom surface of the lower pressing block (341) is provided with lower heating channel (362), and hot cutting ring (363) is fixedly connected to the bottom surface of the lower pressing block (341).

2. The plastic bag punch of claim 1 wherein: The ejection rod (321) is provided with ejection plate (3211) near the top of the workbench, at least two groups of countersunk head bolts (312) are fixedly connected on the ejection plate (3211), the upper pressing block (331) is arranged on the countersunk head bolts (312), the upper pressing block (331) is provided with upper pressing hole (333), and the outer surface of the countersunk head bolt (312) is provided with spring (313), and the spring (313) is arranged between the upper surface of the upper pressing block (331) and the bottom surface of the pressing plate (311).

3. The plastic bag punch of claim 1 wherein: The bottom of the upper pressing block (331) is provided with the lower pressing block (341), the upper pressing block (331) is provided with connecting groove (332) matched with the connecting block (342).

4. The plastic bag punch of claim 1 wherein: The hot cutting ring (363) is circular in cross section.

5. The plastic bag punch of claim 3 wherein: The upper pressing block (331) and the lower pressing block (341) are bolted with heating rod (351), and the heating end (3511) of the heating rod (351) is fixedly connected with the head (3611) of the upper heating channel (361).

6. The plastic bag punch of claim 1 wherein: The hot melting table (212) is provided with waste port (231).

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