CN210610515U

CN210610515U - Mulching film punching machine

Info

Publication number: CN210610515U
Application number: CN201921684253.XU
Authority: CN
Inventors: 卢俊杰; 徐东; 史晓敏
Original assignee: Donghai Science and Technology Colloge of ZJOU
Current assignee: Donghai Science and Technology Colloge of ZJOU
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-05-26
Anticipated expiration: 2029-10-09

Abstract

The utility model provides a plastic film puncher belongs to agricultural machine technical field. It has solved the poor, problem of inefficiency of current plastic film puncher quality of punching. The utility model discloses a punching machine for plastic films, including fixed die plate, backing plate, guide bar, recess, die hole coaxial line, die cutter, the fixed surface of fixed die plate is equipped with the support, and the fixed surface of fixed die plate is equipped with the movable mould directly over the die hole, and the movable mould includes the backing plate, is located the briquetting of backing plate below and fixes the cylinder at the support, and the upper surface of briquetting is fixed with the guide bar, and the backing plate slides and sets up on the guide bar, and the cover is equipped with the spring that is used for backing plate jack-up that makes progress on the guide bar, the recess is the same with the internal diameter of die hole coaxial line and recess, the endotheca of recess is equipped with the film cutter, the lower extreme of. This structure is showing the quality and the efficiency of punching that have improved the plastic film.

Description

Mulching film punching machine

Technical Field

The utility model belongs to the technical field of agricultural machine, especially a plastic film puncher.

Background

The mulching film is usually transparent and is used for covering a field, not only can improve the ground temperature, preserve water, preserve soil and fertilizer and improve the fertilizer efficiency, but also has the functions of killing weeds, preventing diseases and insects, preventing drought and waterlogging, inhibiting salt and protecting seedlings and improving near-ground photo-thermal conditions, and also has the functions of improving the soil temperature, maintaining the soil moisture, maintaining the soil structure, preventing diseases caused by pests to attack crops and certain microorganisms, and the like and promoting the growth of plants. After the mulching film is covered on the ground, in order to ensure that the plants can grow normally, holes are usually punched in the mulching film so that the plants can be conveniently drilled out of the holes.

At present, a mulching film perforating machine appears on the market, the mulching film perforating machine firstly perforates a mulching film before the mulching film is covered on the ground, the perforating machine comprises a fixed die and a movable die, the mulching film penetrates between the fixed die and the movable die, the mulching film is perforated after the movable die and the fixed die are combined, an electric heating element is arranged in the movable die, and a hot plastic hole is formed in the mulching film after the electric heating element is heated. The holes processed on the mulching film in such a way are irregular, and due to plastic products on the mulching film, molten plastic is easy to adhere to the motor hot piece, so that the outer surface of the motor hot piece needs to be cleaned frequently, and the mulching film punching efficiency is affected.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a plastic film puncher, the utility model aims to solve the technical problem that: how to improve plastic film quality of punching and plastic film efficiency of punching.

The purpose of the utility model can be realized by the following technical proposal:

a mulching film perforating machine comprises a machine case, wherein a fixed template is arranged at the top end of the machine case, a die hole communicated with the interior of the machine case is formed in the fixed template, a support is fixed on the upper surface of the fixed template, a movable mold is arranged right above the die hole, the mulching film perforating machine is characterized in that the movable mold comprises a base plate, a pressing block positioned below the base plate and an air cylinder fixed on the support, a piston rod of the air cylinder is fixedly connected with the base plate, a guide rod is fixed on the upper surface of the pressing block, the base plate is arranged on the guide rod in a sliding mode, a limiting nut is screwed at the upper end of the guide rod, a spring used for jacking the base plate upwards is sleeved on the guide rod, a groove is formed in the lower surface of the pressing block, the groove is coaxial with the die hole, the inner diameter of the groove is the same as the inner diameter of the die hole, the lower surface of the backing plate is provided with a driving rod, and the lower end part of the driving rod penetrates through the pressing block and is fixedly connected with the die cutting knife.

When the mulching film perforating machine works, a mulching film is flatly laid on the upper surface of the fixed template, the cylinder drives the backing plate to move downwards, the pressing block is further driven to move downwards, after the lower surface of the pressing block is attached to the mulching film, the air cylinder continues to drive the backing plate to move downwards, the backing plate overcomes the acting force of the spring to move downwards, the spring is compressed, the acting force of the spring acts on the pressing block to enable the pressing block to press the mulching film on the upper surface of the fixed die plate, so that the mulching film is not pulled and moved in the punching process, the backing plate drives the film cutting knife to move downwards through the driving rod in the process of overcoming the acting force of the spring to move downwards, the film cutting knife moves downwards under the guidance of the groove wall, the cutting edge at the lower end of the film cutting knife cuts the mulching film along the hole wall of the die hole, and then a regular hole is cut on the mulching film, the shape of the hole is the same as that of the die hole, and compared with the prior art, the punching quality and the punching efficiency are obviously improved.

In the above-mentioned mulch puncher, the film cutter is the tube-shape, the upper end of film cutter is closed, the lower extreme is opened, the cutting edge of film cutter lower extreme is the cockscomb structure. When punching, the briquetting has compressed tightly the plastic film on the fixed die plate, and the cutting edge of cockscomb structure is direct punctures the plastic film at nib border to along with the downstream movement that the film cutter lasts, the plastic film at nib border is cut off gradually, and this mode of punching is avoided dragging the plastic film that leads to nib border to warp to the plastic film at nib border, is favorable to improving the quality of punching.

In the above-mentioned mulch puncher, the lower end of the driving rod penetrates through the top of the cutting die, and the lower end of the driving rod is in threaded connection with two positioning nuts for clamping the cutting die. During installation, the lower end of the driving rod extends into the groove firstly, then a positioning nut is screwed on the lower end of the driving rod, then the die cutter is sleeved on the lower end of the driving rod, so that the upper top surface of the die cutter is attached to the positioning nut, then the other positioning nut is screwed on the lower end of the driving rod, the positioning nut is attached to the inner top surface of the die cutter, and the die cutter is positioned on the driving rod through the cooperation of the two positioning nuts.

In the above-mentioned mulch puncher, the lower terminal surface of actuating lever has seted up the air flue along the axial of actuating lever, set up the inlet port of intercommunication air flue on the outer peripheral face of actuating lever upper end, the inlet port is connected with high-pressure gas pipe. When the film cutting knife moves downwards to enable the lower end portion of the film cutting knife to extend into the die hole, the mulching film is cut into a circular diaphragm, the circular diaphragm is located in the die hole, high-pressure gas is introduced into the high-pressure gas pipe at the moment, the high-pressure gas enters the air passage through the air inlet hole, the lower end of the driving rod blows downwards, the circular diaphragm in the die hole is blown down into the case, blocking of the die hole is avoided, and smoothness of the die hole is guaranteed.

In the above-mentioned mulch puncher, the right side of the machine case is provided with the driving film roller, the left side is provided with the driven film roller, and the left and right sides of the fixed die plate are provided with a pair of guide press rollers. The winding has the plastic film on the driven membrane roller, and the plastic film one end on the driven membrane roller is outwards drawn forth, and the plastic film passes two pairs of direction compression rollers duplex winding on initiative membrane roller, and two pairs of direction compression rollers play the effect of direction to the plastic film for the plastic film can paste the upper surface at the fixed die plate, is favorable to the operation of punching in later stage, and at the in-process that punches, initiative membrane roller rotates and draws the plastic film toward the right side and drag.

Compared with the prior art, the utility model discloses a plastic film puncher has following advantage: this plastic film puncher punches, the briquetting compresses tightly the upper surface at the fixed die plate with the plastic film, make the in-process plastic film that punches not take place to pull the removal, the effort lapse of spring is overcome to the backing plate, the in-process that moves down through actuating lever drive cutting die sword downstream, cutting die sword downstream under the direction of recess cell wall, the cutting edge of cutting die sword lower extreme cuts the plastic film along the pore wall in nib, and then cut out a regular hole on the plastic film, the shape in this hole is the same with the shape in nib, compare with prior art and show improvement punching quality and punching efficiency.

Drawings

Fig. 1 is a schematic sectional structure of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure, 1, a chassis; 2. fixing a template; 2a, a die hole; 3. a support; 4. moving the mold; 41. a base plate; 42. briquetting; 42a, a groove; 43. a cylinder; 43a, a piston rod; 44. a guide bar; 45. a limit nut; 46. a spring; 47. a film cutter; 47a, saw-toothed; 48. a drive rod; 48a, an airway; 48b, an air inlet hole; 49. positioning a nut; 5. a high-pressure air pipe; 6. a driving film roller; 7. a driven film roll; 8. and guiding the press roll.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the local film perforating machine includes a machine case 1, a fixed die plate 2 is arranged at the top end of the machine case 1, a die hole 2a communicated with the interior of the machine case 1 is formed in the fixed die plate 2, a support 3 is fixed on the upper surface of the fixed die plate 2, a movable die 4 is arranged right above the die hole 2a, the movable die 4 includes a backing plate 41, a pressing block 42 positioned below the backing plate 41 and an air cylinder 43 fixed on the support 3, a piston rod 43a of the air cylinder 43 is fixedly connected with the backing plate 41, a guide rod 44 is fixed on the upper surface of the pressing block 42, the backing plate 41 is slidably arranged on the guide rod 44, a limit nut 45 is screwed on the upper end of the guide rod 44, a spring 46 for jacking up the backing plate 41 is sleeved on the guide rod 44, a groove 42a is formed in the lower surface of the pressing block 42, the groove 42a is coaxial with the die hole 2a, the inner diameter of the groove, the lower end of the film cutting knife 47 is provided with an annular cutting edge, the lower surface of the backing plate 41 is provided with a driving rod 48, the lower end part of the driving rod 48 penetrates through the pressing block 42 and is fixedly connected with the film cutting knife 47, the right side of the case 1 is provided with a driving film roller 6, the left side of the case is provided with a driven film roller 7, and the left side and the right side of the fixed die plate 2 are both provided with a pair of guide press rollers 8. A mulching film is wound on the driven film roller 7, one end of the mulching film on the driven film roller 7 is led out outwards, the mulching film passes through the two pairs of guide press rollers 8 and winds around the driving film roller 6, the two pairs of guide press rollers 8 play a role in guiding the mulching film, so that the mulching film can be attached to the upper surface of the fixed template 5, the air cylinder 43 drives the backing plate 41 to move downwards and further drives the pressing block 42 to move downwards, after the lower surface of the pressing block 42 is attached to the mulching film, the air cylinder 43 continues to drive the backing plate 41 to move downwards against the acting force of the spring 46, the spring 46 is compressed, the acting force of the spring 46 acts on the pressing block 42, so that the pressing block 42 presses the mulching film against the upper surface of the fixed template 2, the mulching film is not pulled and moves in the punching process, the film cutting knife 47 is driven to move downwards by the driving rod 48 in the process that the backing plate 41 overcomes the acting force of the spring 46 to move downwards, the film, the cutting edge of film cutter 47 lower extreme cuts the plastic film along the pore wall of nib 2a, and then cuts a regular hole on the plastic film, and the shape in this hole is the same with the shape in nib 2a, and after punching, initiative membrane roller 6 rotates and draws the plastic film to the right side and drag, makes things convenient for punching next time, realizes the continuity of punching.

As shown in fig. 2, the film cutting knife 47 is cylindrical, the upper end of the film cutting knife 47 is closed, the lower end of the film cutting knife 47 is open, the lower end of the driving rod 48 penetrates through the top of the film cutting knife 47, the lower end of the driving rod 48 is in threaded connection with two positioning nuts 49 for clamping the film cutting knife 47, the cutting edge at the lower end of the film cutting knife 47 is in a sawtooth shape 47a, the lower end surface of the driving rod 48 is provided with an air passage 48a along the axial direction of the driving rod 48, the outer peripheral surface of the upper end of the driving rod 48 is provided with an air inlet hole 48b communicated. When the film cutting knife 47 moves downwards to enable the lower end portion of the film cutting knife 47 to extend into the die hole 2a, a circular diaphragm is cut out of the mulching film, the circular diaphragm is located in the die hole 2a, high-pressure gas is introduced into the high-pressure gas pipe 5 at the moment, the high-pressure gas enters the air channel 48a through the air inlet hole 48b, the lower end of the driving rod 48 blows downwards, the circular diaphragm in the die hole 2a is blown down into the case 1, blocking of the die hole 2a is avoided, and smoothness of the die hole 2a is guaranteed.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The mulching film punching machine comprises a machine case (1), wherein a fixed template (2) is arranged at the top end of the machine case (1), a die hole (2a) communicated with the interior of the machine case (1) is formed in the fixed template (2), a support (3) is fixed on the upper surface of the fixed template (2), a movable die (4) is arranged right above the die hole (2a), the mulching film punching machine is characterized in that the movable die (4) comprises a base plate (41), a pressing block (42) located below the base plate (41) and a cylinder (43) fixed on the support (3), a piston rod (43a) of the cylinder (43) is fixedly connected with the base plate (41), a guide rod (44) is fixed on the upper surface of the pressing block (42), the base plate (41) is arranged on the guide rod (44) in a sliding manner, a limit nut (45) is screwed at the upper end of the guide rod (44), and a spring (46) used for upwards jacking the base plate (41) is sleeved on the guide rod, the lower surface of briquetting (42) is seted up some recess (42a), recess (42a) and nib (2a) coaxial line and the internal diameter of recess (42a) is the same with the internal diameter of nib (2a), film cutter (47) are equipped with in recess (42a) endotheca, the lower extreme of film cutter (47) has annular cutting edge, the lower surface of backing plate (41) has actuating lever (48), the lower tip of actuating lever (48) runs through briquetting (42) and with film cutter (47) fixed connection.

2. The mulching film perforating machine according to claim 1, characterized in that the mulching film cutting knife (47) is cylindrical, the upper end of the mulching film cutting knife (47) is closed, the lower end of the mulching film cutting knife is open, and the cutting edge at the lower end of the mulching film cutting knife (47) is serrated (47 a).

3. The mulch punch according to claim 2, wherein the lower end of the drive rod (48) extends through the top of the mulch cutter (47), and the lower end of the drive rod (48) is threadedly connected with two retaining nuts (49) that clamp the mulch cutter (47).

4. The mulch punching machine according to claim 3, wherein the lower end surface of the driving rod (48) is provided with an air passage (48a) along the axial direction of the driving rod (48), the outer peripheral surface of the upper end part of the driving rod (48) is provided with an air inlet hole (48b) communicated with the air passage (48a), and the air inlet hole (48b) is connected with the high-pressure air pipe (5).

5. The mulch punching machine according to claim 1, wherein the right side of the machine box (1) is provided with a driving mulch roller (6), the left side is provided with a driven mulch roller (7), and the left side and the right side of the fixed template (2) are provided with a pair of guide press rollers (8).