CN215301427U - A hole puncher that is used for agricultural to grow seedlings and tectorial membrane to transplant - Google Patents

Abstract

The utility model relates to the technical field of agricultural planting, in particular to a puncher for agricultural seedling raising and film mulching transplanting, which comprises a punching barrel, a handle and a connecting rod, wherein the outer wall of the punching barrel is provided with a smooth coating, one end of the punching barrel is provided with a punching head, one end of the punching barrel, which is far away from the punching head, is connected with the handle through the connecting rod, one end of the connecting rod is connected with the handle, the other end of the connecting rod is provided with a first connecting shaft, the first connecting shaft is provided with first threads, the punching barrel is provided with a plurality of specifications with different diameters, the punching barrel with the specifications with the different diameters is provided with a first connecting port, the first connecting port is provided with second threads, and the outer wall of the punching barrel is provided with a scale bar. The utility model can conveniently adjust the size and the depth of the seedling raising cuttage hole, the seedling raising seeding hole and the film covering transplantation planting hole, can reduce the punching resistance and solve the problem that the moist matrix or soil is stuck to the matrix or the soil and is taken out of the matrix or the soil when the soil is punched.

Description

A hole puncher that is used for agricultural to grow seedlings and tectorial membrane to transplant

Technical Field

The utility model relates to the technical field of agricultural planting, in particular to a puncher for agricultural seedling raising and film mulching transplanting.

Background

The agricultural planting production can not be carried out seedling breeding, and the cuttage and the seeding are seedling breeding modes generally adopted in the agricultural production. However, in the process of cutting seedling, cuttings with insufficient hardness are difficult to directly insert into seedling substrate or soil, and mechanical damage occurs due to resistance in the insertion process, so that wet cutting substrate or soil is needed to reduce the cutting resistance and the mechanical damage of the cuttings, but the problems that the substrate or soil is adhered to the wet seedling substrate or soil due to cutting perforation, the substrate or soil is brought out, the size and the depth of a cutting hole are difficult to control and the like occur, the problem that the size and the depth of a seed hole required for sowing and seedling are difficult to control also occurs, and the problems directly affect the seedling work efficiency and the survival rate.

The film mulching transplantation is an effective cultivation measure which can preserve heat and moisture and prevent and control weeds in fields, and is generally applied to agricultural production. However, when the seedlings are transplanted by film mulching, the size and depth of transplanting and planting holes are often difficult to control, and when the seedlings are planted by punching holes in a humid cultivation substrate or soil, the substrate or soil is stuck and taken out, so that the working efficiency and survival rate of film mulching and transplanting are affected.

However, most of the hole punches used in agricultural production at present have difficulty in solving the problems that the substrate or soil is stuck and taken out due to the wet substrate or soil punching, and the size and depth of the punched hole cannot be controlled, and therefore, how to provide a hole punch for agricultural seedling culture and film mulching transplantation to solve the problems and to promote the improvement of the working efficiency and quality of agricultural seedling culture and film mulching transplantation is a problem that needs to be urgently researched and solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a puncher for agricultural seedling raising and film mulching transplanting, which can conveniently adjust the size and the depth of a seedling raising and cutting hole, a seedling raising and sowing hole and a film mulching and transplanting planting hole, reduce punching resistance and solve the problem that moist matrix or soil is stuck to the matrix or the soil and is carried out when the matrix or the soil is punched.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a puncher for agricultural seedling raising and film mulching transplanting comprises a punching cylinder, a handle and a connecting rod, wherein the outer wall of the punching cylinder is provided with a smooth coating, and one end of the punching cylinder is provided with a punching head for punching, the punching head is of a pointed structure, one end of the punching cylinder, which is far away from the punching head, is connected with the handle through a connecting rod, the connecting rod is an adjustable telescopic structure, one end of the connecting rod is connected with the handle, the other end of the connecting rod is provided with a raised first connecting shaft, the first connecting shaft is provided with a first thread, the perforating cylinder is provided with a plurality of specifications with different diameters, and the ends of the perforating cylinders with different diameters and specifications far away from the perforating head are provided with first connecting ports, the first connecting port is provided with a second thread matched with the first thread in a threaded manner, so that the perforating cylinders with different diameters can be in threaded connection with the connecting rod; the outer wall of the punching cylinder is provided with a scale strip.

Furthermore, the outer wall of the perforating cylinder is sleeved with a scale fixer, the scale fixer is of an arc-shaped structure and comprises a fastener part and a buckle hole part, the fastener part is fixedly connected with the buckle hole part, one surface of the fastener part is provided with a hasp, the buckle hole part is uniformly provided with through adjusting holes, the hasp is buckled into any adjusting hole, and the size enclosed by the scale fixer is adjusted, so that the scale fixer can be hooped on the outer walls of the perforating cylinders with different diameters.

Further, the inner arc of scale fixer is equipped with the insection, the both sides that punch the section of thick bamboo outer wall is relative are equipped with anti-skidding rubber strip, just anti-skidding rubber strip follows the axial direction setting of a section of thick bamboo that punches, so that the scale fixer hoop is established when punching on the section of thick bamboo outer wall, the insection with anti-skidding rubber strip butt each other.

Further, a section of thick bamboo of punching is equipped with the cavity, just first connector with the cavity turn-on connection, be equipped with the counter weight core in the section of thick bamboo of punching, just the counter weight core can pass through first connector embedding in the cavity.

Further, counter weight core one end with the inner wall of punching head agrees with, and the other end is equipped with first fixed orifices, first connecting axle is kept away from the one end of connecting rod is equipped with first fixed axle, so that first connecting axle embedding when in the first connecting port, first fixed axle can imbed first fixed orifices, just first connecting axle with counter weight core butt.

Furthermore, the handle is provided with a second connecting shaft, the second connecting shaft is provided with third threads, the second connecting shaft is provided with a second fixing shaft, one end, far away from the first connecting shaft, of the connecting rod is concavely provided with a second connecting port, a second fixing hole matched with the second fixing shaft is concavely arranged in the second connecting port, the second connecting shaft is embedded into the second connecting port and is in threaded connection with the connecting rod, and the second fixing shaft can be embedded into the second fixing hole;

the second connecting shaft can also be in threaded connection with the first connecting port, the second fixing shaft can be embedded into the first fixing hole, and the second fixing shaft is abutted to the counterweight core.

Furthermore, the connecting rod comprises a first rod body, a second rod body and an elastic clamping piece, the first rod body is provided with a sliding cavity, one end of the first rod body is connected with the handle, the other end of the first rod body is provided with a sliding opening, one end of the second rod body is embedded into the sliding opening and is in sliding connection with the sliding cavity, and the other end of the second rod body is fixedly connected with the first connecting shaft; the outer wall of the first rod body is provided with a plurality of joint holes, the joint holes are arranged along the axial direction of the first rod body, the joint holes are communicated with the sliding cavity, the elastic clamping piece is far away from the second rod body, one end of the first connecting shaft is connected, and the elastic clamping piece can penetrate out of the joint holes arbitrarily, so that the second rod body is relatively fixed with the first rod body.

Further, the elasticity fastener includes locking piece and locking spring, the second body of rod is kept away from the concave fixed slot that is equipped with of lateral wall of first connecting axle one end, the locking piece pass through the sliding block with fixed slot sliding connection, the locking spring is located in the fixed slot, just the both ends of locking spring respectively with the second body of rod reaches the sliding block butt, so that the locking piece can pass through the fixed slot is worn out outside the joint hole.

Further, the handle sleeve is provided with an anti-slip sleeve.

The utility model has the beneficial effects that:

1. the outer wall of the punching cylinder is provided with the smooth coating, and one end of the punching cylinder is provided with the punching head for punching, so that the punching cylinder is convenient to insert into the matrix or soil, the problem that the matrix or soil is stuck to the matrix or soil to bring the matrix or soil out when the wet matrix or soil is punched is avoided, and the punching resistance is reduced; the punching cylinder is provided with a plurality of specifications with different diameters, and the punching cylinder can be replaced through the first threads and the second threads which are matched with each other, so that the sizes of seedling raising and cutting holes, seedling raising and seeding holes and film covering and transplanting planting holes can be adjusted conveniently; meanwhile, the outer wall of the punching barrel is provided with a scale strip and a scale fixer, so that the accurate control of the punching depth can be realized.

2. According to the scale strip through removing the scale fixer to the suitable position back of a section of thick bamboo that punches, with the hasp through detaining in the suitable regulation hole for the degree of depth that the scale fixer can satisfy required punching carries out the sign, when punching matrix or soil, need not observe the scale strip in real time just can accurately control the depth of punching. And under the effect of insection and the mutual butt of anti-skidding adhesive tape, increased the frictional force between scale fixer and the section of thick bamboo that punches, the section of thick bamboo that punches slides on preventing to exert oneself too big and lead to the scale fixer when punching, has realized the relatively fixed of scale fixer and a section of thick bamboo that punches.

3. Through pushing down the elasticity fastener, can adjust the different joint holes of elasticity fastener embedding, realize the adjustment of connecting rod length, when being favorable to the agricultural personnel of different heights to use the hole puncher to punch, need not bow, reduced agricultural personnel's intensity of labour. In addition, the connecting rod can be dismantled, and the handle can with a section of thick bamboo threaded connection that punches, furthest has adjusted down the hole puncher height, can satisfy like this that the plug seedling carries out convenience and the flexibility of operating less shallow hole.

Drawings

Fig. 1 is a schematic structural diagram of a hole puncher for agricultural seedling raising and film mulching transplantation according to a preferred embodiment of the utility model.

Fig. 2 is a schematic structural view of a punching cylinder of the puncher for agricultural seedling raising and film mulching transplantation according to a preferred embodiment of the utility model.

Fig. 3 is a schematic structural view of a scale holder of the hole puncher for agricultural seedling raising and film mulching transplantation according to a preferred embodiment of the utility model.

Fig. 4 is a schematic view of a buckle structure of the hole puncher for agricultural seedling raising and film mulching transplantation according to a preferred embodiment of the utility model.

Fig. 5 is a schematic structural diagram of a connecting rod of the hole puncher for agricultural seedling raising and film mulching transplantation according to a preferred embodiment of the utility model.

In the figure, 1-a punching barrel, 101-a cavity, 11-a punching head, 12-a first connecting port, 121-a second thread, 13-a scale bar, 14-an anti-slip rubber strip, 2-a handle, 21-a second connecting shaft, 211-a third thread, 212-a second fixing shaft, 22-an anti-slip sleeve, 3-a connecting rod, 30-a second connecting port, 300-a second fixing hole, 301-a first rod, 302-a second rod, 303-an elastic fastener, 304-a sliding cavity, 305-a sliding port, 306-a clamping hole, 307-a fixing groove, 31-a first connecting shaft, 311-a first thread, 312-a first fixing shaft, 4-a scale fixer, 401-a tooth pattern, 41-a fastener part, 411-a buckle, 42-a buckle part, 421-adjusting hole, 5-weight core, 51-first fixing hole, 6-locking piece, 61-locking spring, 62-sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a hole puncher for agricultural seedling raising and film mulching transplantation according to a preferred embodiment of the present invention includes a hole punching cylinder 1, a handle 2 and a connecting rod 3.

The outer wall of a section of thick bamboo 1 that punches is equipped with smooth coating, and 1 one end of a section of thick bamboo that punches is equipped with the head 11 that punches that is used for punching, punch head 11 is the structure of pointed end, punch 1 one end of keeping away from the head 11 that punches and is passed through connecting rod 3 and be connected with handle 2, connecting rod 3 is adjustable extending structure, 3 one end of connecting rod is connected with handle 2, the other end is equipped with bellied first connecting axle 31, first connecting axle 31 is equipped with first screw 311, a section of thick bamboo 1 that punches is equipped with the specification of a plurality of different diameters, and the one end that punches 1 of different diameter specifications kept away from the head 11 that punches all is equipped with first connecting port 12, first connecting port 12 is equipped with second screw 121 with first screw 311 screw-thread fit, so that the section of thick bamboo 1 that punches of different diameter specifications all can be connected with connecting rod 3 screw threads. The handle 2 of this embodiment is sleeved with an anti-slip sleeve 22.

The smooth coating of this embodiment is the plastics material, and 1 one end of a section of thick bamboo of punching is equipped with the head of punching 11 that is used for punching, is convenient for insert matrix or soil with a section of thick bamboo of punching in, can not appear gluing matrix or soil and take over the problem of matrix or soil when punching to moist matrix or soil moreover, has also reduced the resistance of punching simultaneously. Through the first screw thread 311 and the second screw thread 121 which are matched with each other, the punching cylinder 1 can be replaced, so that the sizes of seedling raising and cutting holes, seedling raising and seeding holes and film covering and transplanting planting holes can be adjusted conveniently.

The outer wall of the perforating cylinder 1 is provided with a scale bar 13 and a scale fixer 4. Under the action of the scale bar 13 and the scale fixer 4, the accurate control of the punching depth can be realized.

In this embodiment, the outer wall cover of a section of thick bamboo 1 that punches is equipped with scale fixer 4, scale fixer 4 is the arc structure, scale fixer 4 includes fastener portion 41 and buckle hole portion 42, fastener portion 41 and buckle hole portion 42 fixed connection, the one side of fastener portion 41 is equipped with hasp 411, buckle hole portion 42 equipartition has the regulation hole 421 that runs through, and hasp 411 is through buckling arbitrary regulation hole 421 in, adjust the size that scale fixer 4 encloses, so that scale fixer 4 can hoop and establish on the outer wall of a section of thick bamboo 1 that punches of different diameter specifications. The scale holder 4 of this embodiment is fixed in the adjusting hole 421 by using the deformable property of plastic, in the same principle as the cap row buckle.

According to scale bar 13 through remove to the suitable position of a section of thick bamboo 1 back of punching scale fixer 4, with hasp 411 through detaining in the suitable regulation hole 421 for scale fixer 4 can satisfy the required degree of depth of punching and carry out the sign, when punching matrix or soil, need not observe scale bar 13 in real time just can accurately control the degree of depth of punching.

The inner arc of scale fixer 4 is equipped with insection 401, and the both sides that the section of thick bamboo 1 outer wall is relative that punches are equipped with anti-skidding adhesive tape 14, and anti-skidding adhesive tape 14 sets up along the axial direction of a section of thick bamboo 1 that punches to when making 4 hoops of scale fixer establish on a section of thick bamboo 1 outer wall that punches, insection 401 and anti-skidding adhesive tape 14 butt each other.

Under the effect of insection 401 and the mutual butt of anti-skidding adhesive tape 14, increased the frictional force between a scale fixer 4 and the section of thick bamboo 1 that punches, it is too big and lead to scale fixer 4 to slide on a section of thick bamboo 1 that punches to exert oneself when preventing to punch, has realized the relatively fixed of scale fixer 4 with a section of thick bamboo 1 that punches.

A section of thick bamboo 1 that punches is equipped with cavity 101, and first interface 12 and cavity 101 turn-on connection are equipped with counter weight core 5 in the section of thick bamboo 1 that punches, and counter weight core 5 can be through in first interface 12 embedding cavity 101. Under the effect of counter weight core 5, can improve the feel of this embodiment hole puncher for the direction of punching can be controlled better, prevents to appear punching the skew condition and appears. And the counterweight core 5 can be detached from the punching cylinder 1, so that the counterweight core 5 can be adapted to punching cylinders 1 with different diameter specifications.

One end of the counterweight core 5 is engaged with the inner wall of the punching head 11, the other end of the counterweight core is provided with a first fixing hole 51, and one end of the first connecting shaft 31, which is far away from the connecting rod 3, is provided with a first fixing shaft 312, so that when the first connecting shaft 31 is embedded into the first connecting port 12, the first fixing shaft 312 can be embedded into the first fixing hole 51, and the first connecting shaft 31 is abutted to the counterweight core 5. When the punching cylinder 1 is screwed on the connecting rod 3, the counterweight core 5 is fixed in the cavity 101 under the action of the first fixing shaft 312 and the first connecting shaft 31, so that the counterweight core 5 is prevented from shaking randomly.

In this embodiment, the handle 2 is provided with a second connecting shaft 21, the second connecting shaft 21 is provided with a third thread 211, the second connecting shaft 21 is provided with a second fixing shaft 212, one end of the connecting rod 3, which is far away from the first connecting shaft 31, is concavely provided with a second connecting port 30, the second connecting port 30 is concavely provided with a second fixing hole 300 matched with the second fixing shaft 212, the second connecting shaft 21 is embedded into the second connecting port 30 and is in threaded connection with the connecting rod 3, and the second fixing shaft 212 can be embedded into the second fixing hole 300.

The second connecting shaft 21 can be screwed to the first connecting port 12, the second fixed shaft 212 can be fitted into the first fixed hole 51, and the second fixed shaft 212 abuts against the weight core 5.

Because handle 2 is equipped with second connecting axle 21 and second fixed axle 212 for handle 2 can with connecting rod 3 or a section of thick bamboo 1 threaded connection that punches, so that when similar plug seedling punches, accessible handle 2 is connected with a section of thick bamboo 1 that punches, the length of puncher that has significantly reduced, the operation of punching of being convenient for go on, satisfied similar plug seedling and carried out convenience and the flexibility of operating to less shallower hole.

The connecting rod 3 of the present embodiment includes a first rod 301, a second rod 302 and a flexible clip 303.

The first rod body 301 is provided with a sliding cavity 304, one end of the first rod body 301 is connected with the handle 2, the other end of the first rod body 301 is provided with a sliding opening 305, one end of the second rod body 302 is embedded into the sliding opening 305 and is in sliding connection with the sliding cavity 304, and the other end of the second rod body is fixedly connected with the first connecting shaft 31; the outer wall of the first rod body 301 is provided with a plurality of clamping holes 306, the clamping holes 306 are arranged along the axial direction of the first rod body 301, the clamping holes 306 are communicated with the sliding cavity 304, the elastic clamping piece 303 is connected with one end, far away from the first connecting shaft 31, of the second rod body 302, and the elastic clamping piece 303 can penetrate out of any clamping holes 306, so that the second rod body 302 and the first rod body 301 are relatively fixed.

Through pushing down elasticity fastener 303, can adjust the different joint holes 306 of elasticity fastener 303 embedding, realize the adjustment of 3 lengths of connecting rod, when being favorable to the agricultural personnel of different heights to use the hole puncher to punch, need not bow, reduced agricultural personnel's intensity of labour.

In this embodiment, the second connection port 30 and the second fixing hole 300 are disposed on the first rod 301, and the first connection shaft 31 is disposed on the second rod 302.

The elastic fastener 303 includes a locking member 6 and a locking spring 61, a fixing groove 307 is concavely formed on a side wall of one end of the second rod 302, which is far away from the first connecting shaft 31, the locking member 6 is slidably connected to the fixing groove 307 through a sliding block 62, the locking spring 61 is located in the fixing groove 307, and two ends of the locking spring 61 are respectively abutted to the second rod 302 and the sliding block 62, so that the locking member 6 can penetrate out of the clamping hole 306 through the fixing groove 307. Through pressing locking piece 6, locking piece 6 can the retraction slip chamber 304 in, through the second body of rod 302 that slides, under the spring action of locking spring 61, outside locking piece 6 can wear out adjacent joint hole 306, repeated pressing locking piece 6 and the second body of rod 302 that slides can adjust the position of the second body of rod 302 at slip chamber 304 to realize the length adjustment of connecting rod 3.

When using the hole puncher for agricultural seedling and tectorial membrane transplantation of this embodiment, according to the required size of punching, select a suitable section of thick bamboo 1 that punches, with in counterweight core 5 imbeds cavity 101 through first connecting port 12, through first screw 311 and second screw 121, will punch a section of thick bamboo 1 and be connected with connecting rod 3, first fixed axle 312 imbeds in first fixed orifices 51 simultaneously, and first connecting shaft 31 and counterweight core 5 butt for counterweight core 5 is fixed in a section of thick bamboo 1 that punches. According to the required drilling depth, the scale fixer 4 is arranged at the position corresponding to the required depth on the drilling barrel 1, and the hasp 411 is buckled into the proper adjusting hole 421, so that the scale fixer 4 is fixed on the outer wall of the drilling barrel 1. According to the position of the needed hole, the hole punching barrel 1 is inserted into the matrix or soil through the hole punching head 11 until the scale fixer 4 is close to the matrix or soil plane, and a hole punching work is completed. When the connecting rod 3 is not needed, the handle 2 is directly connected with the punching cylinder 1 with a proper size through screw threads.

Claims (9)

1. The utility model provides a hole puncher for agricultural is grown seedlings and is tectorial membrane transplanted, its characterized in that, includes a section of thick bamboo of perforating (1), handle (2) and connecting rod (3), a section of thick bamboo of perforating (1) outer wall is equipped with smooth coating, just a section of thick bamboo of perforating (1) one end is equipped with the head of perforating (11) that is used for punching, head of perforating (11) is the structure of pointed, a section of thick bamboo of perforating (1) is kept away from the one end of head of perforating (11) is passed through connecting rod (3) and is connected with handle (2), connecting rod (3) are adjustable extending structure, connecting rod (3) one end with handle (2) are connected, and the other end is equipped with bellied first connecting axle (31), first connecting axle (31) are equipped with first screw thread (311), a section of thick bamboo of perforating (1) is equipped with the specification of a plurality of different diameters, and the one end that a section of thick bamboo of perforating (1) of different diameters kept away from head of perforating (11) all is equipped with first connecting port (12), the first connecting port (12) is provided with a second thread (121) in threaded fit with the first thread (311) so that the perforating cylinders (1) with different diameters can be in threaded connection with the connecting rod (3); the outer wall of the punching barrel (1) is provided with a scale strip (13).

2. The hole puncher for agricultural seedling raising and mulching film transplanting according to claim 1, is characterized in that: the outer wall cover of a punching section of thick bamboo (1) is equipped with scale fixer (4), scale fixer (4) are the arc structure, scale fixer (4) include fastener portion (41) and detain hole portion (42), fastener portion (41) with detain hole portion (42) fixed connection, the one side of fastener portion (41) is equipped with hasp (411), detain hole portion (42) equipartition has regulation hole (421) that run through, just hasp (411) are arbitrary through detaining in regulation hole (421), the adjustment the size that scale fixer (4) enclose, so that scale fixer (4) can hoop and establish in different diameter specifications on punching section of thick bamboo (1) outer wall.

3. The hole puncher for agricultural seedling raising and mulching film transplanting according to claim 2, is characterized in that: the inner arc of scale fixer (4) is equipped with insection (401), the both sides that a section of thick bamboo (1) outer wall is relative of perforating are equipped with anti-skidding adhesive tape (14), just anti-skidding adhesive tape (14) are followed the axial direction setting of a section of thick bamboo (1) of perforating, so that scale fixer (4) hoop is established when on a section of thick bamboo (1) outer wall of perforating, insection (401) with anti-skidding adhesive tape (14) butt each other.

4. The hole puncher for agricultural seedling raising and mulching film transplanting according to claim 1, is characterized in that: a section of thick bamboo of holing (1) is equipped with cavity (101), just first interface (12) with cavity (101) turn-on connection, be equipped with counter weight core (5) in a section of thick bamboo of holing (1), just counter weight core (5) can pass through first interface (12) embedding in cavity (101).

5. The hole puncher for agricultural seedling raising and mulching film transplanting according to claim 4, is characterized in that: counter weight core (5) one end with the inner wall of punching head (11) agrees with, and the other end is equipped with first fixed orifices (51), keep away from first connecting axle (31) the one end of connecting rod (3) is equipped with first fixed axle (312), so that first connecting axle (31) embedding during in first connecting port (12), first fixed axle (312) can be embedded into first fixed orifices (51), just first connecting axle (31) with counter weight core (5) butt.

6. The hole puncher for agricultural seedling raising and mulching film transplanting according to claim 5, is characterized in that: the handle (2) is provided with a second connecting shaft (21), the second connecting shaft (21) is provided with third threads (211), the second connecting shaft (21) is provided with a second fixing shaft (212), one end, far away from the first connecting shaft (31), of the connecting rod (3) is concavely provided with a second connecting port (30), the second connecting port (30) is concavely provided with a second fixing hole (300) matched with the second fixing shaft (212), the second connecting shaft (21) is embedded into the second connecting port (30) and is in threaded connection with the connecting rod (3), and the second fixing shaft (212) can be embedded into the second fixing hole (300);

the second connecting shaft (21) can be further connected with the first connecting port (12) in a threaded manner, the second fixing shaft (212) can be embedded into the first fixing hole (51), and the second fixing shaft (212) is abutted against the counterweight core (5).

7. The hole puncher for agricultural seedling raising and mulching film transplanting according to claim 1, is characterized in that: the connecting rod (3) comprises a first rod body (301), a second rod body (302) and an elastic clamping piece (303), the first rod body (301) is provided with a sliding cavity (304), one end of the first rod body (301) is connected with the handle (2), the other end of the first rod body is provided with a sliding opening (305), one end of the second rod body (302) is embedded into the sliding opening (305) and is in sliding connection with the sliding cavity (304), and the other end of the second rod body is fixedly connected with the first connecting shaft (31); the outer wall of the first body of rod (301) is equipped with a plurality of joint holes (306), joint hole (306) are followed the axial direction setting of the first body of rod (301), just joint hole (306) with sliding chamber (304) intercommunication, elasticity fastener (303) with the second body of rod (302) is kept away from the one end of first connecting axle (31) is connected, just arbitrary can be worn out in elasticity fastener (303) outside joint hole (306), so that the second body of rod (302) with the first body of rod (301) relatively fixed.

8. The hole puncher for agricultural seedling raising and mulching film transplanting according to claim 7, is characterized in that: elasticity fastener (303) are including locking piece (6) and locking spring (61), the second body of rod (302) is kept away from the concave fixed slot (307) that is equipped with of lateral wall of first connecting axle (31) one end, locking piece (6) pass through sliding block (62) with fixed slot (307) sliding connection, locking spring (61) are located in fixed slot (307), just the both ends of locking spring (61) respectively with the second body of rod (302) and sliding block (62) butt, so that locking piece (6) can pass through fixed slot (307) are worn out outside joint hole (306).

9. The hole puncher for agricultural seedling raising and mulching film transplanting according to claim 7, is characterized in that: the handle (2) is sleeved with an anti-slip sleeve (22).

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