Mulching film punching device

Abstract

The utility model discloses a mulching film punching device which is integrated in winding equipment, the winding equipment comprises a winding roller, a plurality of tension rollers and a rack, and the punching device comprises a first guide roller, a second guide roller and a hot melting roller assembly. The hot melting roller assembly comprises a hot melting roller; the first guide roller and the second guide roller are located on the same side of the mulching film, and the hot melting roller is located on the other side of the mulching film and located between the first guide roller and the second guide roller. And a plurality of hot melting heads are arranged on the hot melting roller. The hot melting head comprises an annular hot melting tool bit. According to the mulching film punching device, punching operation can be completed in the mulching film manufacturing process, particularly in the rolling link, hot melting type punching is adopted in the punching operation, compared with mechanical force cutting, the formed edge is more tidy, the thickness of the edge formed after hot melting can be increased, the overall strength of a film can be guaranteed, and the service life of the film is prolonged. And the subsequent laying operation is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental protection equipment technical field, concretely is a mulch punching device. BACKGROUND

[0002] The mulch is a kind of film for ground covering, mainly function is to improve soil temperature, keep soil moisture etc., mulch covering can greatly change the growth environment of crop, improve crop yield, especially in high-cold region or arid-cold area.In use, punching is carried out on mulch to avoid that temperature, carbon dioxide concentration under mulch is too high.

[0003] At present, it is mostly after mulch laying is completed, punching is carried out while planting crops, such as patent CN220986902U a kind of plastic mulch punching device, CN220965811U a kind of mulch puncher for crop cultivation etc., the flexibility of this kind of practice is relatively higher, but punching operation is time-consuming and laborious, and punching can be uneven.There are also technical explorations of punching operation in the production process of mulch, such as invention authorized patent CN108582239B a kind of mulch puncher, adopts cutter head to punch, is prone to rupture when punching by mechanical force, affects product quality, and also prone to film tearing in the laying process. SUMMARY

[0004] The utility model aims at providing a kind of mulch punching device to solve the problems in prior art.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model provides a kind of mulch punching device, integrated in winding equipment, the winding equipment includes winding roller, several tension rollers, rack, the punching device includes first guide roller, second guide roller, hot melt roller assembly;The first guide roller, second guide roller, hot melt roller assembly can be rotatably arranged on the rack, below the winding roller;The hot melt roller assembly includes hot melt roller;The first guide roller, second guide roller are located on the same side of mulch, and the hot melt roller is located on the other side of mulch and between the first guide roller and the second guide roller;Several hot melt heads are provided on the hot melt roller.

[0006] Preferably, the hot melt head includes annular hot melt cutter head.

[0007] Preferably, the hot melt head is needle type hot melt cutter head, which is a plurality of needle-shaped protrusions distributed in a circular array.

[0008] Preferably, the hot melt head further includes a bottom plate arranged at the bottom of the annular hot melt cutter head, and a gas blowing pipe is arranged at the center of the bottom plate, the gas blowing pipe is communicated with the inner cavity of the hot melt roller, and the end of the hot melt roller is connected to a gas supply device.

[0009] Preferably, the hot-melt roller assembly further comprises a waste collecting unit arranged obliquely below the hot-melt roller, comprising a collecting bin and an air duct connected to an air suction device.

[0010] Preferably, the hot-melt head and the hot-melt roller are arranged in a separable manner, and the air blowing pipe of the hot-melt head is detachably connected to the hot-melt roller through a screw structure, and a plurality of connecting pipes are arranged on the hot-melt roller.

[0011] The utility model provides a kind of mulch punching device, can be in mulch manufacturing process, specifically for winding link completes punching operation, adopts hot-melt type punching on punching operation, compared with mechanical force "cutting", its edge after forming is more neat, and the edge thickness formed after hot-melting can increase, can guarantee the overall strength of film, is conducive to subsequent laying operation. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the schematic diagram of the utility model.

[0013] Figure 2 It is the schematic diagram of the utility model.

[0014] Figure 3 It is the schematic diagram of the utility model hot-melt roller.

[0015] Figure 4 It is the schematic diagram of the hot-melt roller region of another embodiment of the utility model.

[0016] Figure 5 It is the schematic diagram of the hot-melt roller of another embodiment of the utility model. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0018] As shown in the drawings, Figures 1-5 A kind of mulch punching device is integrated in the winding equipment, the winding equipment includes winding roller s1, several tension rollers s2, rack s3, the punching device includes first guide roller 1, second guide roller 2, hot-melt roller assembly 3.

[0019] The first guide roller 1, second guide roller 2, hot-melt roller assembly 3 can be rotatably arranged on the rack s3, below winding roller s1.

[0020] The prepared mulching film passes through the tension roller s2, the first guide roller 1 and the second guide roller 2 and is wound to the winding roller s1.

[0021] The hot-melt roller assembly 31 comprises the hot-melt roller 31, the waste collecting unit 32, a hot-melt roller rotation driving motor (not shown in the figure), a gas supply device (not shown in the figure) and a slip ring type power supply assembly (not shown in the figure).

[0022] The first guide roller 1 and the second guide roller 2 are located on the same side of the mulching film, and the hot-melt roller 31 is located on the other side of the mulching film and between the first guide roller 1 and the second guide roller 2.

[0023] The hot-melt roller 31 is provided with a plurality of hot-melt heads 311, is connected to an external power supply through the slip ring type power supply assembly, is heated through the electrothermal effect and realizes hot-melt hole forming on the mulching film in the rotation process of the hot-melt roller 31.

[0024] The slip ring type power supply assembly is a standard product on the market, such as the one shown in the attached Figure 3 、 5 The hot-melt head 311 comprises an annular hot-melt cutter head 311a, and an electric heating wire is arranged on the upper surface of the annular hot-melt cutter head 311a and is heated after being electrified.

[0025] Some mulching films do not need to be provided with holes in the early stage of use, and need to be provided with holes in the later stage (after the temperature of the external environment rises). In order to facilitate the subsequent hole forming, as shown in the attached Figure 3 、

[0026] In order to realize the collection of the film material after the hole forming, the hot-melt head 311 further comprises a bottom plate 311b arranged at the bottom of the annular hot-melt cutter head 311a, a gas blowing pipe 311c arranged at the center of the bottom plate 311b, the gas blowing pipe 311c being communicated with the internal cavity of the hot-melt roller 31, the end of the hot-melt roller 31 being connected to the gas supply device through a gas slip ring, and the gas flow blown from the internal cavity of the gas blowing pipe 311c after the hole forming of the annular hot-melt cutter head 311a blows the cut waste into the collection bin 321 of the waste collecting unit 32. The waste collecting unit 32 is arranged obliquely below the hot-melt roller 31 and comprises the collection bin 321 and an air duct 322 connected to an air suction device and capable of sucking the waste melted by the hot-melt into the collection bin.

[0027] Further, in order to improve the flexibility of the equipment, as shown in the attached Figure 5The hot melt head 311 is detachably arranged with the hot melt roller 31, the blowing pipe 311c of the hot melt head 311 is detachably connected to the hot melt roller 31 through a screw structure, a plurality of connecting pipes 312 are arranged on the hot melt roller 31, the installation position of the hot melt head 311 can be adjusted, and the connecting pipe 312 not in use is blocked by a nut.

[0028] It should be noted that, unless otherwise explicitly specified and limited, the terms such as "mounting", "connecting", "connecting", "fixing", "arranging" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

Claims

1. A mulch film perforating device integrated in a winding apparatus, the winding apparatus comprising a winding roller, a number of tension rollers, a frame, characterized in that, The punching device comprises a first guide roller, a second guide roller and a hot-melt roller assembly; the first guide roller, the second guide roller and the hot-melt roller assembly are rotatably arranged on a rack below a winding roller; the hot-melt roller assembly comprises a hot-melt roller; the first guide roller and the second guide roller are located on the same side of the mulch film, and the hot-melt roller is located on the other side of the mulch film and between the first guide roller and the second guide roller; a plurality of hot-melt heads are arranged on the hot-melt roller.

2. The mulch film perforating device according to claim 1, wherein The hot-melt head comprises a ring-shaped hot-melt cutter head.

3. The mulch film perforating device according to claim 1, wherein The hot-melt head is a needle-shaped hot-melt cutter head, and a plurality of needle-shaped protrusions are distributed in a circular array.

4. The mulch film perforating device according to claim 2, wherein The hot-melt head further comprises a bottom plate arranged at the bottom of the ring-shaped hot-melt cutter head, a blowing pipe is arranged at the center of the bottom plate, the blowing pipe is in communication with an internal cavity of the hot-melt roller, and the end of the hot-melt roller is connected to a gas supply device.

5. The mulch film perforating device according to claim 4, wherein The hot-melt roller assembly further comprises a waste collecting unit arranged obliquely below the hot-melt roller, the waste collecting unit comprises a collecting bin and an air duct, and the air duct is connected to an air extraction device.

6. The mulch film perforating device according to claim 1, wherein The hot-melt head and the hot-melt roller are arranged in a separable manner, the blowing pipe of the hot-melt head is detachably connected to the hot-melt roller through a spiral structure, and a plurality of connecting pipes are arranged on the hot-melt roller.

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