Handheld mulching film punching device

Abstract

The utility model discloses a handheld mulching film punching device which comprises a first L-shaped rod, a second L-shaped rod and a punching mechanism, the long edge of the first L-shaped rod and the long edge of the second L-shaped rod are connected in an inserted mode to form an inverted-U-shaped structure, a first vertical rod is connected into the short edge of the first L-shaped rod in an inserted mode, and a second vertical rod is connected into the short edge of the second L-shaped rod in an inserted mode. The hole breaking mechanisms are arranged at the bottom ends of the first vertical rod and the second vertical rod correspondingly. The distance between the two hole breaking mechanisms is adjusted by adjusting the expansion and contraction amount of the first L-shaped rod and the second L-shaped rod, two adjacent rows of parallel mulching films can be perforated at the same time in the transverse use process, and the perforating efficiency is effectively improved; when the mulching film punching device is used longitudinally, the next punching mechanism is used as a reference, the previous punching mechanism is used for punching, the uniformity of the punching spacing of the mulching film can be kept, and the consistency of the punched hole spacing is high; and meanwhile, through telescopic adjustment of the first vertical rod and the second vertical rod, the height of the punching device can be adjusted to adapt to operators with different heights, and the comfort during use is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a handheld ground film punching device. Background Art

[0002] Mulching cultivation can improve the temperature and moisture conditions of the soil and near the ground, increase soil temperature, maintain soil moisture, improve soil properties, improve soil nutrient supply and fertilizer utilization, improve light conditions, and reduce weeds and pest damage. After the mulch is laid, holes need to be punched to facilitate plant planting. Some of the punchers currently used can only punch one hole at a time, with slow punching speed and low efficiency. Some cannot adjust the punching spacing, making it difficult to punch holes with even spacing according to different row and plant spacing requirements, and the comfort of use is poor.

[0003] For example, a melon film planting hole puncher disclosed in Chinese patent announcement number CN219803027U includes an operating rod, a crossbeam, a mounting rod, a screw and a gear cylinder, wherein the operating rod is a straight rod, a crossbeam is horizontally arranged at the bottom end of the operating rod, mounting rods are vertically arranged at both ends of the crossbeam, screw holes are arranged on the mounting rod and the side walls of the gear cylinder, screws are screwed into the corresponding screw holes, and a nut is sleeved on one end of the screw extending into the gear cylinder, the gear cylinder is a cylinder with a toothed portion at the bottom end, and the upper and lower ends of the gear cylinder are connected; the upper and lower ends of the gear cylinder are connected, although the patent makes it easy to clean the soil and film fragments accumulated inside the gear cylinder, such as using a stick to poke out the soil and film fragments from top to bottom, but each pressure-raising operation can only punch one hole, which has the problem of low efficiency, and the spacing of the holes punched in the patent is estimated by the human eye, and the consistency of the punched hole spacing is poor. At the same time, the height of the hole puncher is fixed, and when used by a tall person, it is necessary to bend over to operate, which is uncomfortable. Utility Model Content

[0004] The main purpose of the utility model is to overcome the defects of the above-mentioned background technology and provide a handheld ground film punching device.

[0005] To achieve the above-mentioned purpose, the handheld ground film punching device proposed in the utility model includes a first L-shaped rod, a second L-shaped rod and a hole-breaking mechanism, the first L-shaped rod and the second L-shaped rod are both set to be hollow structures, the long sides of the first L-shaped rod and the second L-shaped rod are slidably inserted together to form an inverted "U"-shaped structure, a first vertical rod is slidably inserted in the short side of the first L-shaped rod, and a second vertical rod is slidably inserted in the short side of the second L-shaped rod, and the hole-breaking mechanism is respectively arranged at the bottom ends of the first vertical rod and the second vertical rod, and first positioning screw holes are radially opened at both ends of the first L-shaped rod, and a first positioning bolt is arranged in the first positioning screw hole, and a second positioning screw hole is radially opened at the bottom end of the short side of the second L-shaped rod, and a second positioning bolt is arranged in the second positioning screw hole. The spacing between the two hole-piercing mechanisms is adjusted by telescoping the first L-shaped rod and the second L-shaped rod, and then the first positioning bolt is used for positioning. When the handheld ground film punching device is used horizontally, two adjacent parallel rows of ground films can be punched at the same time, effectively improving the punching efficiency; when the handheld ground film punching device is used vertically, the latter hole-piercing mechanism is used as a reference to punch holes using the former hole-piercing mechanism, which can maintain the uniformity of the spacing between the ground film holes; the overall height of the entire handheld ground film punching device can be adjusted by telescoping the first vertical rod and the second vertical rod to adapt to operators of different heights, effectively improving the comfort during use.

[0006] To further optimize the technical solution, the hollow inner wall of the first L-shaped rod is provided with a first positioning groove along the axial direction, the long side of the second L-shaped rod and the outer wall of the first vertical rod are respectively provided with a first positioning convex strip corresponding to the first positioning groove, the hollow inner wall of the short side of the second L-shaped rod is provided with a second positioning groove along the axial direction, and the outer wall of the second vertical rod is provided with a second positioning convex strip corresponding to the second positioning groove. By providing the first positioning groove and the first positioning convex strip, as well as the second positioning groove and the second positioning convex strip, relative rotation between the first L-shaped rod, the second L-shaped rod, the first vertical rod and the second vertical rod is effectively prevented, thereby improving stability.

[0007] To further optimize the technical solution, a plurality of first positioning holes are evenly spaced on the long side of the second L-shaped rod, and a plurality of second positioning holes are evenly spaced on the first vertical rod and the second vertical rod. By providing the first positioning holes and the second positioning holes, the firmness of the first positioning bolt and the second positioning bolt when they are positioned is further improved.

[0008] To further optimize the technical solution, a hand-held handle is provided on the long side of the first L-shaped rod. The hand-held handle is provided to facilitate the user to hold the device for work, thereby improving the convenience of use.

[0009] Further optimizing the technical solution, the hole-piercing mechanism includes a metal cylinder and a heating structure, the bottom surface of the metal cylinder is an open structure, and the heating structure is connected to the metal cylinder and is used to heat the side wall of the metal cylinder. After the side wall of the metal cylinder is heated by the heating structure, it contacts with the ground film to melt the ground film to form holes, and the diameter of the holes punched is relatively uniform.

[0010] Further optimize the technical solution, the heating structure includes a gas storage tank, a gas regulating valve, a burner, an ignition needle, an igniter and a power supply box, the burner is arranged in the metal cylinder, the gas storage tank is connected to the burner through a gas hose, the gas regulating valve is arranged at the outlet of the gas storage tank, and is used to adjust the amount of gas in the gas storage tank delivered to the burner through the gas hose, the ignition needle is arranged on the burner, the igniter and the power supply box are arranged on the first L-shaped rod or the second L-shaped rod, the power supply box is electrically connected to the igniter, the igniter is electrically connected to the ignition needle, the wire connecting the power supply box and the igniter is connected to an ignition switch, and the ignition switch is fixed on the first L-shaped rod or the second L-shaped rod. The gas in the gas storage tank is delivered to the burner by opening the gas regulating valve, and then the ignition switch is turned on to discharge the ignition needle to the burner, and the gas is ignited to heat the side wall of the metal cylinder.

[0011] Further optimize the technical solution, the burner head includes a nozzle, an ejector tube, a gas mixing chamber and a fire distribution plate, one end of the nozzle is connected to the gas hose, the other end of the nozzle is connected to one end of the ejector tube, the other end of the ejector tube is connected to the gas mixing chamber, the gas mixing chamber is connected to the fire distribution plate, the fire distribution plate is fixed to the inner top of the metal cylinder through a fixing frame, the ignition needle passes through the fire distribution plate, and the top of the ignition needle corresponds to the combustion hole on the fire distribution plate. The gas enters the ejector tube through the nozzle and ejects the air in the atmosphere, then enters the gas mixing chamber for uniform mixing and then enters the fire plate to ensure the stability of the combustion flame.

[0012] To further optimize the technical solution, the openings of the burning holes in the inner circle of the fire distribution plate are vertically downward, and the openings of the burning holes in the outer circle are arranged horizontally and radially. The flames are sprayed downward through the burning holes in the inner circle to heat the soil on the surface of the hole and burn the cut ground film, which avoids the ground film waste from polluting the land, and can kill the bacteria in the soil around the hole when heating the soil, while the flames of the burning holes in the outer circle are used to heat and bake the side wall of the metal cylinder, maintain the temperature of the side wall of the metal cylinder, and melt the ground film to form holes.

[0013] To further optimize the technical solution, a plurality of first ventilation holes are provided at the bottom of the first upright pole and the second upright pole.

[0014] To further optimize the technical solution, a plurality of second ventilation holes are provided on the side wall of the metal cylinder.

[0015] The beneficial effects of the utility model include: by adjusting the spacing between the two hole-piercing mechanisms by telescoping the first L-shaped rod and the second L-shaped rod, two adjacent parallel rows of ground films can be punched simultaneously when used horizontally, effectively improving the punching efficiency; when used vertically, the rear hole-piercing mechanism is used as a reference to align the punched ground film, and the front hole-piercing mechanism is used to punch holes, which can maintain the uniformity of the spacing between the holes in the ground film and achieve a high consistency in the hole spacing; at the same time, the height of the punching device can be adjusted by telescoping the first vertical rod and the second vertical rod to adapt to operators of different heights, effectively improving the comfort during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall schematic diagram of a handheld ground film punching device in an embodiment of the utility model.

[0017] Figure 2 It is an exploded view of a handheld ground film punching device in an embodiment of the utility model.

[0018] Figure 3 It is a schematic diagram of the heating structure in the embodiment of the present utility model.

[0019] Figure 4 It is a schematic diagram of the top view of the stove head in the embodiment of the utility model.

[0020] Figure 5 It is a schematic diagram of the bottom perspective of the furnace head in the embodiment of the utility model.

[0021] Reference numerals list:

[0022]

[0023] DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the embodiments of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly on the other component. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. In addition, connection can be used for both fixing and circuit connection.

[0026] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0028] See also Figures 1 to 5In one embodiment, a handheld ground film punching device is disclosed, comprising a first L-shaped rod 1, a second L-shaped rod 2 and a hole-breaking mechanism 3. The first L-shaped rod 1 and the second L-shaped rod 2 are both hollow structures. The long sides of the first L-shaped rod 1 and the second L-shaped rod 2 are slidably plugged together to form an inverted "U"-shaped structure. A first vertical rod 101 is slidably plugged into the short side of the first L-shaped rod 1, and a second vertical rod 201 is slidably plugged into the short side of the second L-shaped rod 2. The hole-breaking mechanism 3 is respectively arranged at the bottom ends of the first vertical rod 101 and the second vertical rod 201. First positioning screw holes 102 are radially opened at both ends of the first L-shaped rod 1, and a first positioning bolt 103 is arranged in the first positioning screw hole 102. A second positioning screw hole 202 is radially opened at the bottom end of the short side of the second L-shaped rod 2, and a second positioning bolt 203 is arranged in the second positioning screw hole 202. Specifically, the first positioning bolt 103 and the second positioning screw hole 202 are both clevis bolts. In this embodiment, the distance between the two hole-piercing mechanisms 3 is adjusted by sliding and telescoping the first L-shaped rod 1 and the second L-shaped rod 2, and then the first positioning bolt 103 is screwed into the first positioning screw hole 102, and the end of the first positioning bolt 103 is pressed against the second L-shaped rod 2 for positioning to prevent the two from freely telescoping and sliding. When the handheld ground film punching device is used horizontally, two adjacent rows of parallel ground films can be punched at the same time, effectively improving the punching efficiency; when the handheld ground film punching device is used longitudinally, the distance between the two hole-piercing mechanisms 3 is adjusted and fixed, and then A hole-piercing mechanism 3 is used as a reference to align with the punched ground film, and the previous hole-piercing mechanism 3 is used to punch holes, which can maintain the uniformity of the spacing between the holes in the ground film; at the same time, the first vertical rod 101 can slide and retract within the short side of the first L-shaped rod 1, and the second vertical rod 201 can slide and retract within the short side of the second L-shaped rod 2, so as to adjust the overall height of the entire handheld ground film punching device. After the heights of both sides are adjusted to be consistent, they are fixed and locked by the corresponding first positioning bolts 103 and second positioning bolts 203 respectively, so that it can adapt to the use of operators of different heights, effectively improving the comfort during use.

[0029] In a preferred embodiment, a first positioning groove 104 is axially opened on the hollow inner wall of the first L-shaped rod 1. Specifically, the long side and the short side of the first L-shaped rod 1 are both provided with the first positioning groove 104, and the long side of the second L-shaped rod 2 and the outer wall of the first vertical rod 101 are respectively provided with first positioning ridges 105 corresponding to the first positioning groove 104, a second positioning groove (not shown) is axially opened on the hollow inner wall of the short side of the second L-shaped rod 2, and the outer wall of the second vertical rod 201 is provided with a second positioning ridge 204 corresponding to the second positioning groove. By snapping the first positioning ridge 105 on the long side of the second L-shaped rod 2 into the first positioning groove 104 in the long side of the first L-shaped rod 1, relative rotation between the first L-shaped rod 1 and the second L-shaped rod 2 can be effectively prevented; by snapping the first positioning ridge 105 on the first vertical rod 101 into the first positioning groove 104 in the short side of the first L-shaped rod 1, relative rotation between the first L-shaped rod 1 and the first vertical rod 101 can be effectively prevented; by snapping the second positioning ridge 204 on the second vertical rod 201 into the second positioning groove, relative rotation between the second vertical rod 201 and the second L-shaped rod 2 can be effectively prevented, thereby increasing the stability of the handheld ground film punching device.

[0030] In a preferred embodiment, a plurality of first positioning holes 205 are evenly spaced on the long side of the second L-shaped rod 2, and a plurality of second positioning holes 206 are evenly spaced on the first vertical rod 101 and the second vertical rod 201. When the telescopic distance between the first L-shaped rod 1 and the second L-shaped rod 2 is adjusted, the first positioning hole 205 is aligned with the first positioning screw hole 102 on the long side of the first L-shaped rod 1. At this time, after the first positioning bolt 103 is screwed in, the end of the first positioning bolt 103 can be inserted into the first positioning hole 205, thereby increasing the firmness of the positioning. Similarly, after adjusting the telescopic height of the first vertical rod 101 and the second vertical rod 201, the corresponding positioning bolt can also be inserted into the second positioning hole 206, thereby increasing the stability of the entire device.

[0031] In a preferred embodiment, a hand-held handle 106 is provided on the long side of the first L-shaped rod 1. The hand-held handle 106 is provided to facilitate the user to hold the device for work, thereby improving the convenience of use. In order to further improve the grip and anti-slip effect, a rubber sleeve can be wrapped on the hand-held handle 106.

[0032] In some embodiments, the hole punching mechanism 3 includes a metal cylinder 301 and a heating structure. The bottom surface of the metal cylinder 301 is an open structure. The heating structure is connected to the metal cylinder 301 and is used to heat the side wall of the metal cylinder 301. After the side wall of the metal cylinder 301 is heated by the heating structure, it contacts with the ground film to melt the ground film, forming holes, completing the hole punching operation, and the diameter of the punched holes is relatively uniform.

[0033] In a specific example, the heating structure includes a gas tank 302, a gas regulating valve 303, a burner head 304, an ignition needle 305, an igniter 306 and a power box 307. The burner head 304 is arranged in a metal cylinder 301. The gas tank 302 is connected to the burner heads 304 through gas hoses 308. The gas regulating valve 303 is arranged at the outlet of the gas tank 302, and is used to adjust the amount of gas in the gas tank 302 delivered to the burner head 304 through the gas hose 308. The ignition needle 305 is arranged on the burner head 304, the igniter 306 and the power box 307 are arranged on the first L-shaped rod 1 or the second L-shaped rod 2, the power box 307 is electrically connected to the igniter 306, the igniter 306 is electrically connected to the ignition needle 305, and the wire connecting the power box 307 and the igniter 306 is connected to an ignition switch 309, and the ignition switch 309 is fixed on the first L-shaped rod 1 or the second L-shaped rod 2. Specifically, the first L-shaped rod 1, the second L-shaped rod 2, the first vertical rod 101 and the second vertical rod 201 are all hollow structures, and the gas hose 308 passes through the first L-shaped rod 1, the second L-shaped rod 2, the first vertical rod 101 and the second vertical rod 201 respectively. The gas hose 308 is reserved with sufficient length, and the gas hose 308 passes through the first L-shaped rod 1 or the second L-shaped rod 2 from the corner to avoid affecting the telescopic adjustment between the first L-shaped rod 1, the second L-shaped rod 2, the first vertical rod 101 and the second vertical rod 201. The gas storage tank 302 is preferably a cassette stove gas tank, which is fixed to the first L-shaped rod 1 by a strap, and the heating structures on both sides use independent gas hoses 308 and gas regulating valves 303 to separately supply gas and adjust the gas. The heating structure on one side can be closed at any time for use; the connecting wire 5 between the igniter 306 and the ignition needle 305 also passes through the inside of the first L-shaped rod 1, the second L-shaped rod 2, the first vertical rod 101 and the second vertical rod 201 to avoid excessive exposure of the gas hose 308 and the wire 5 to the outside, causing scratches and affecting use. In this embodiment, by opening the gas regulating valve 303, the gas in the gas storage tank 302 is transported to the burner head 304, and then the ignition switch 309 is turned on. There is a battery in the power box 307, and the battery and the igniter 306 are energized to trigger the igniter 306 to generate high voltage, which is then conducted to the ignition needle 305 through the wire 5 to discharge the burner head 304, and the gas is ignited to heat the side wall of the metal cylinder 301.

[0034] In a specific example, the burner head 304 includes a nozzle 3041, an ejector tube 3042, a gas mixing chamber 3043 and a fire distribution plate 3044. One end of the nozzle 3041 is connected to the gas hose 308, and the other end of the nozzle 3041 is connected to one end of the ejector tube 3042. The other end of the ejector tube 3042 is connected to the gas mixing chamber 3043. The gas mixing chamber 3043 is connected to the fire distribution plate 3044. The fire distribution plate 3044 is fixed to the inner top of the metal cylinder 301 through a fixing frame 3046. The ignition needle 305 passes through the fire distribution plate 3044, and the top of the ignition needle 305 corresponds to the combustion hole 3045 on the fire distribution plate 3044. The gas input from the gas hose 308 enters the ejector tube 3042 through the nozzle 304 and ejects the air in the atmosphere, then enters the gas mixing chamber 3043 for uniform mixing, and then enters the fire plate 3044, so that the outlet of the combustion hole 3045 obtains a certain speed to ensure the stability of the combustion flame.

[0035] In a preferred embodiment, the openings of the inner ring of the burning holes 3045 on the fire distribution plate 3044 are vertically downward, and the openings of the burning holes 3045 on the outer ring are horizontally arranged in a radial direction. The inner ring of the burning holes 3045 sprays flames downward to heat the soil on the surface of the hole and burn the cut ground film, thereby avoiding the ground film waste from polluting the land, and heating the soil can kill the germs in the soil around the hole, while the flames sprayed by the outer ring of the burning holes 3045 are used to heat and bake the side wall of the metal cylinder 301 to maintain the temperature of the side wall of the metal cylinder 301.

[0036] In a preferred embodiment, a plurality of first vent holes 207 are provided at the bottom of the first upright pole 101 and the second upright pole 201, and a plurality of second vent holes 310 are provided on the side wall of the metal cylinder 301. The first vent holes 207 are used to meet the condition that the primary air enters the ejector tube 3042 through the nozzle 3041, and the second vent holes 310 are used to meet the condition that the secondary air burns at the combustion hole 3045, so as to ensure that the burner 304 burns normally.

[0037] The above content is a further detailed description of the utility model in combination with specific / preferred embodiments, and it cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, it can also make several substitutions or modifications to these described embodiments, and these substitutions or modifications should be regarded as belonging to the protection scope of the utility model. In the description of this specification, the description of the reference terms "an embodiment", "some embodiments", "preferred embodiments", "examples", "specific examples" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily target the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In the absence of mutual contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples. Although the embodiments of the present invention and their advantages have been described in detail, it should be understood that various changes, substitutions and alterations may be made herein without departing from the scope of protection of the patent application.

Claims

1. A handheld ground film punching device, characterized in that: The utility model comprises a first L-shaped rod, a second L-shaped rod and a hole-breaking mechanism, wherein the first L-shaped rod and the second L-shaped rod are both hollow structures, the long sides of the first L-shaped rod and the second L-shaped rod are slidably inserted together to form an inverted "U"-shaped structure, a first vertical rod is slidably inserted in the short side of the first L-shaped rod, and a second vertical rod is slidably inserted in the short side of the second L-shaped rod, and the hole-breaking mechanism is respectively arranged at the bottom ends of the first vertical rod and the second vertical rod, first positioning screw holes are radially opened at both ends of the first L-shaped rod, a first positioning bolt is arranged in the first positioning screw hole, a second positioning screw hole is radially opened at the bottom end of the short side of the second L-shaped rod, and a second positioning bolt is arranged in the second positioning screw hole.

2. The handheld ground film punching device according to claim 1, characterized in that: A first positioning groove is axially provided on the hollow inner wall of the first L-shaped rod, and first positioning ridges corresponding to the first positioning groove are respectively provided on the long side of the second L-shaped rod and the outer wall of the first vertical rod. A second positioning groove is axially provided on the hollow inner wall of the short side of the second L-shaped rod, and a second positioning ridge corresponding to the second positioning groove is provided on the outer wall of the second vertical rod.

3. The handheld ground film punching device according to claim 2, characterized in that: A plurality of first positioning holes are evenly spaced apart on the long side of the second L-shaped rod, and a plurality of second positioning holes are evenly spaced apart on the first vertical rod and the second vertical rod.

4. The handheld ground film punching device according to claim 3, characterized in that: A hand-held handle is provided on the long side of the first L-shaped rod.

5. The handheld ground film punching device according to any one of claims 1 to 4, characterized in that: The hole-breaking mechanism comprises a metal cylinder and a heating structure. The bottom surface of the metal cylinder is an open structure. The heating structure is connected to the metal cylinder and is used to heat the side wall of the metal cylinder.

6. The handheld ground film punching device according to claim 5, characterized in that: The heating structure includes a gas tank, a gas regulating valve, a burner, an ignition needle, an igniter and a power box. The burner head is arranged in the metal cylinder. The gas tank is connected to the burner heads through gas hoses. The gas regulating valve is arranged at the outlet of the gas tank, and is used to adjust the amount of gas in the gas tank delivered to the burner through the gas hose. The ignition needle is arranged on the burner head, and the igniter and the power box are arranged on the first L-shaped rod or the second L-shaped rod. The power box is electrically connected to the igniter, and the igniter is electrically connected to the ignition needle. An ignition switch is connected to the wire connecting the power box and the igniter, and the ignition switch is fixed on the first L-shaped rod or the second L-shaped rod.

7. The handheld ground film punching device according to claim 6, characterized in that: The burner head includes a nozzle, an ejector tube, an air mixing chamber and an ignition distribution plate. One end of the nozzle is connected to the gas hose, and the other end of the nozzle is connected to one end of the ejector tube. The other end of the ejector tube is connected to the air mixing chamber, and the air mixing chamber is connected to the ignition distribution plate. The ignition distribution plate is fixed to the inner top of the metal cylinder through a fixing frame, and the ignition needle passes through the ignition distribution plate. The top end of the ignition needle corresponds to the combustion hole on the ignition distribution plate.

8. The handheld ground film punching device according to claim 7, characterized in that The openings of the combustion holes on the inner circle of the fire distribution plate are vertically downward, and the openings of the combustion holes on the outer circle are horizontally arranged in a radial direction.

9. The handheld ground film punching device according to claim 8, characterized in that: A plurality of first ventilation holes are formed at the bottom of the first vertical pole and the bottom of the second vertical pole.

10. The handheld ground film punching device according to claim 9, characterized in that: A plurality of second vent holes are provided on the side wall of the metal cylinder.

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