Nail discharging structure of branch binding machine

Abstract

The utility model belongs to the technical field of branch binding machines, and particularly relates to a nail outlet structure of a branch binding machine, which comprises a bottom frame and a middle frame which are rotatably connected, a first elastic piece for driving the middle frame to reset is arranged on the bottom frame, a nail storage cavity for storing row nails is arranged on the middle frame, and a push rod and a thrust spring are movably arranged in the nail storage cavity. A nail outlet groove is formed in the front end of the nail storage cavity, an ejector pin piece and a second elastic piece are movably arranged on the bottom frame, a supporting wall is arranged on the side, away from the nail storage cavity, of the nail outlet groove, the thrust spring can drive the strip nails to enter the nail outlet groove through the push rod and abut against the supporting wall, and the supporting wall is connected with a guide wall. The second elastic piece drives the ejector pin piece to abut against the guide wall. The middle frame is controlled to swing towards the bottom frame, the ejector pin piece can penetrate into the nail outlet groove in a guiding mode through the guiding wall and abut against the supporting wall, the ejector pin piece can drive the row nails to be discharged out of the nail outlet groove, and the nail outlet structure of the branch binding machine is convenient to use and long in service life.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of branch binding machine, especially relates to a nail structure of branch binding machine. BACKGROUND

[0002] The branch binding machine is also called a vine binding machine, and is a kind of hand tool for binding tomato, cucumber, grape, pepper, eggplant and other vine plants.

[0003] The branch binding machine is mostly fixed by arranging nails at both ends of the binding belt, and the structure is similar to that of a stapler, such as the vine binding machine disclosed in Chinese utility model patent CN 201720718592.X, which comprises a middle frame, an adhesive tape box, a needle box, a top needle piece, a striker, a cutter, an arch frame, a handle and a machine head device; the machine head device comprises a machine head cover arranged at the front end of the arch frame, a rear end of a positioning plate is hingedly connected to the upper part of the inner cavity of the machine head cover, the front end of the positioning plate is provided with a compression spring to make it have a downward moving trend, the lower end of a hooking belt piece is hingedly connected to the lower part of the inner cavity of the machine head cover, the hooking belt piece is provided with a torsional spring to make it have a counterclockwise rotation, a needle die and a buckle plate upper end are both fixed on the lower part of the machine head cover and extend downward, the needle die is located behind the buckle plate and has a gap between them, the lower end of the striker is hingedly connected to the front part of the middle frame, and the lower end of the cutter is fixed on the rear side surface of the striker; the upper part of the hooking belt piece is matched with the lower part of the positioning plate; the root of the positioning plate is matched with the striker; the top needle piece is matched with the needle die. The advantages are: high degree of automation and easy operation.

[0004] In the above structure, the top needle piece is fixedly arranged on the middle frame, and the top needle piece is of an integral structure; in the use process, the position change of the needle fixing process is completed by relying on the rigid deformation of the top needle piece itself, and in this process, a large resistance and friction are generated, which increases the driving force in the use process, and it is inconvenient for the user to use, and the middle frame and the top needle piece are all abraded after long-time use, so that the middle frame cannot be used due to the stuck activity. SUMMARY

[0005] In order to overcome the defects in the prior art, the purpose of the utility model is to provide a nail structure of a branch binding machine which is convenient to use and has long service life.

[0006] The utility model discloses a kind of purposes of branch binding machine, and it is achieved as follows:

[0007] The application discloses a nail ejection structure of a branch binding machine, which comprises a bottom frame and a middle frame which are rotationally connected, a first elastic member is arranged on the bottom frame and is used for driving the middle frame to reset, a nail storage cavity for storing a row of nails is arranged on the middle frame, a push rod and a push spring are movably arranged in the nail storage cavity, a nail ejection groove is arranged at the front end of the nail storage cavity, a needle piece and a second elastic member are movably arranged on the bottom frame, a supporting wall is arranged on the side of the nail ejection groove which is far away from the nail storage cavity, the push spring can drive the row of nails to enter the nail ejection groove through the push rod and abut against the supporting wall, and a guide wall is connected to the supporting wall, the second elastic member drives the needle piece to abut against the guide wall.

[0008] The middle frame is controlled to swing towards the bottom frame, the needle piece can be guided to enter the nail ejection groove through the guide wall and abut against the supporting wall, and the needle piece can drive the row of nails to be ejected from the nail ejection groove.

[0009] The application is further provided as follows: the bottom frame is provided with a supporting part, the supporting part is arranged between the supporting wall and the second elastic member, the second elastic member drives the needle piece to swing around the supporting part and makes the upper end of the needle piece abut against the supporting wall.

[0010] The application is further provided as follows: the needle piece extends downwards to form a supporting block in the nail ejection groove, and the second elastic member can drive the supporting block to abut against the bottom frame and support the needle piece.

[0011] The application is further provided as follows: the bottom frame is provided with a guide part, the needle piece is provided with a guide groove which is matched with the guide part, and the needle piece can relatively move along the guide part, so that the needle piece is away from or close to the supporting wall.

[0012] The application is further provided as follows: the bottom frame is provided with a mounting groove, the guide parts are arranged on the two sides of the mounting groove, and the guide grooves are arranged on the two sides of the needle piece.

[0013] The application is further provided as follows: the bottom frame comprises a main body support and a pressing plate which are detachably connected, the main body support is rotationally connected with the middle frame, a positioning groove is arranged between the main body support and the pressing plate, a guide frame is detachably arranged in the positioning groove, and the guide part is arranged on the guide frame.

[0014] The application is further provided as follows: the bottom frame is provided with a limiting groove, the middle frame is provided with a limiting part which is matched with the limiting groove, the limiting part is arranged in the limiting groove, so that the rotating range of the middle frame and the bottom frame is limited, and the needle piece and the guide wall are prevented from being separated.

[0015] The utility model further sets up: the middle frame includes fixedly connected box body and the storage nail seat, the storage nail cavity is arranged in the box body, the storage nail seat is arranged in the front of storage nail cavity, the storage nail seat includes fixedly connected connecting piece and guide piece, the connecting piece and guide piece form the nail slot between, the connecting piece is fixedly connected with the box body, and the connecting piece is provided with the guide groove of connecting storage nail cavity and nail slot, the thrust spring can drive the row nail to pass through the guide groove and enter the nail slot.

[0016] The utility model further sets up: the connecting piece and guide piece are provided with recess and abutting plane respectively, the abutting plane abuts on the recess side and combines with the recess and forms the nail slot.

[0017] The utility model further sets up: the thickness of every row nail is c, the width of the nail slot is d, the thickness of the thimble piece is e, the thickness of the thimble piece is e is less than the width c of row nail, the width d of the nail slot is greater than the width c of row nail, and the width d of the nail slot is less than twice the width c of row nail, so that the row nail can be discharged only in the nail slot every time.

[0018] The utility model has the advantages compared with prior art:

[0019] 1, the thimble piece of the utility model is movably arranged on the middle frame, the thimble piece is driven by the second elastic element to abut on the guide wall and the support wall, and then the thimble piece only abuts on the frontmost row nail, avoiding that the thimble piece drives multiple row nails to be discharged from the nail slot at a time, which is convenient for the user to use, the thimble piece is not fixedly locked in the structure, the middle frame moves and rotates in the use process, the thimble piece is subjected to the elastic force of the second elastic element in the process, the producer can flexibly use different specifications of the second elastic element according to the need, which is beneficial to reduce the friction of the middle frame in the use process, beneficial to reduce the wear of the middle frame and the thimble piece, and even if the middle frame and the thimble piece are worn, the thimble piece can always abut on the support wall, which is beneficial to prolong the service life of the branch binding machine.

[0020] 2, the setting of the support part in the utility model is convenient for the second elastic element to drive the thimble piece to swing and make the thimble piece abut on the support wall, which is beneficial to keep the thimble piece in contact with the support wall in the use process, convenient for the thimble piece to drive a row nail to be discharged from the nail slot at a time, and convenient for the user to use; when the thimble piece drives the row nail to be discharged from the nail slot, the support block can support the thimble piece, which is convenient for the branch binding machine to discharge nails, and the structure can disperse the stress of the thimble piece and the bottom frame, avoid the deformation and damage of the thimble piece, the structure can also limit the swing range of the thimble piece, convenient for the connection and cooperation of the thimble piece and the middle frame, and convenient for the assembly and production of the branch binding machine.

[0021] 3、The utility model discloses a guide part and guide groove are set up and facilitate the needle piece to be away from or close to the support wall, thereby increasing the movable range of needle piece, facilitate the close cooperation of needle piece and support wall, convenient for user to use;The guide part of setting in the both sides of mounting groove and the guide groove of setting in the both sides of needle piece are favorable to the stable installation of needle piece and bottom frame, reduce the deflection misplacement of needle piece, and the close cooperation of needle piece and support wall is favorable;The setting of main support and pressing plate is convenient for the stable installation of guide frame, and it is convenient for producer to install the guide frame of different specifications flexibly according to the need, and the assembly production of branch binding machine is convenient.

[0022] 4、The utility model discloses a limit groove and limit part setting can limit the rotation range of middle frame and bottom frame, avoid the needle piece and guide wall to separate from the too big rotation angle of middle frame, and it is convenient for needle piece to go into the nail groove, convenient for user to use;Because the thickness e of needle piece is less than the nail spacing thickness c is less than the nail groove width d is less than two times the nail spacing thickness c, can avoid the situation of multiple nails to occur in the use process, and the nail spacing is not easy to be stuck in the nail groove, convenient for user to use.

[0023] 5、The utility model discloses a setting in the setting of connecting piece and guide piece is convenient for the production and processing of nail groove, and it is convenient to improve the precision and structural strength of nail groove, can avoid the situation of multiple nails to occur, and the normal use of nail structure;The recess and the setting of abutting plane can avoid the dislocation of connecting piece and guide piece in the installation process and affect the relative movement of nail spacing in the nail groove, convenient for the production and assembly of nail structure, and can avoid the loose connection of connecting piece and guide piece after long -term use and affect the normal use of nail structure. ACCURACY

[0024] Figure 1 It is the structure schematic drawing of the utility model;

[0025] Figure 2 It is the partial sectional view of the utility model;

[0026] Figure 3 It is the explosion schematic drawing of the utility model;

[0027] Figure 4 It is the structure schematic drawing of the pressing plate in the utility model;

[0028] Figure 5 It is the structure schematic drawing of the guide frame in the utility model;

[0029] Figure 6 It is the structure schematic drawing of the needle piece in the utility model;

[0030] Figure 7 It is the structure schematic drawing of the nail storage seat in the utility model;

[0031] Figure 8is the sectional view of the nail storage seat in the utility model;

[0032] Figure 9 is the structural schematic view of the guide frame in the utility model;

[0033] Figure 10 is the structural schematic view of the nail row group in the utility model;

[0034] Figure 11 is the sectional view of a single nail row in the utility model.

[0035] The meaning of the reference numerals in the drawing is as follows: 1 - base frame; 11 - main support; 12 - pressing plate; 13 - guide frame; 14 - limiting groove; 121 - positioning groove; 122 - supporting part; 131 - mounting groove; 132 - guiding part; 2 - middle frame; 21 - box body; 22 - nail storage seat; 23 - sliding cover; 24 - limiting part; 221 - connecting piece; 222 - guiding piece; 223 - nail outlet groove; 224 - supporting wall; 225 - perforation; 226 - positioning protrusion; 227 - guiding wall; 2211 - abutting plane; 2221 - groove; 3 - first elastic piece; 4 - thimble; 41 - guiding groove; 42 - supporting block; 43 - connecting part; 44 - driving part; 5 - second elastic piece; 6 - push rod; 7 - push spring; 8 - hinged rod; 9 - nail row. DETAILED DESCRIPTION

[0036] The utility model will be further described in conjunction with the drawings by specific embodiments:

[0037] Referring to Figures 1 to 11 The nail outlet structure of the branch binding machine shown in the drawing comprises a base frame 1 and a middle frame 2 connected by a hinged rod 8, the base frame 1 is provided with a first elastic piece 3 for driving the middle frame 2 to reset, the middle frame 2 is provided with a nail storage cavity for storing a nail row 9, the nail storage cavity is movably provided with a push rod 6 and a push spring 7, the front end of the nail storage cavity is provided with a nail outlet groove 223, the base frame 1 is movably provided with a thimble 4 and a second elastic piece 5, the side, away from the nail storage cavity, of the nail outlet groove 223 is provided with a supporting wall 224, the push spring 7 can drive the nail row 9 to enter the nail outlet groove 223 and abut against the supporting wall 224 through the push rod 6, the supporting wall 224 is connected with a guiding wall 227, and the second elastic piece 5 drives the thimble 4 to abut against the guiding wall 227; the middle frame 2 is controlled to swing towards the base frame 1, the thimble 4 can be guided to penetrate into the nail outlet groove 223 and abut against the supporting wall 224 through the guiding wall 227, and the thimble 4 can drive the nail row 9 to be discharged from the nail outlet groove 223.

[0038] The needle piece 4 is movably arranged on the middle frame 2, and the second elastic member 5 drives the needle piece 4 to abut against the guide wall 227 and the supporting wall 224, so that the needle piece 4 only abuts against the frontmost row of nails 9, thereby avoiding that the needle piece 4 drives multiple rows of nails 9 to be discharged from the nail discharge groove 223 at a time, and facilitating the use of the user. In the structure, the needle piece 4 is not fixed and locked, and the middle frame 2 moves and rotates in the use process. In this process, the needle piece 4 is subjected to the elastic force of the second elastic member 5. The producer can flexibly use different specifications of the second elastic member 5 according to needs, which is beneficial to reduce the friction suffered by the middle frame 2 in the use process, and is beneficial to reduce the wear of the middle frame 2 and the needle piece 4. Even if the middle frame 2 and the needle piece 4 are worn, the needle piece 4 can always abut against the supporting wall 224, which is beneficial to prolong the service life of the branch binding machine.

[0039] The bottom frame 1 is provided with a supporting portion 122 arranged between the supporting wall 224 and the second elastic member 5. The second elastic member 5 drives the needle piece 4 to swing around the supporting portion 122, and makes the upper end of the needle piece 4 abut against the supporting wall 224. The arrangement of the supporting portion 122 facilitates the swinging of the needle piece 4 driven by the second elastic member 5, and makes the needle piece 4 abut against the supporting wall 224, which is beneficial to keep the needle piece 4 in contact with the supporting wall 224 in the use process, and facilitates the discharge of one row of nails 9 from the nail discharge groove 223 at a time, thereby facilitating the use of the user.

[0040] The needle piece 4 is provided with a connecting portion 43 connected with the second elastic member 5 and a driving portion 44 for driving the nails 9. The connecting portion 43 and the driving portion 44 are arranged on the two sides of the supporting wall 122 respectively.

[0041] In the embodiment, the needle piece 4 extends downward to the nail discharge groove 223 to form a supporting block 42. The second elastic member 5 can drive the supporting block 42 to abut against the bottom frame 1 and support the needle piece 4. When the needle piece 4 drives the nails 9 to be discharged from the nail discharge groove 223, the supporting block 42 can support the needle piece 4, which is beneficial to the nail discharge of the branch binding machine. The structure can also disperse the stress between the needle piece 4 and the bottom frame 1, avoid the deformation and damage of the needle piece 4, limit the swinging range of the needle piece 4, facilitate the connection and cooperation between the needle piece 4 and the middle frame 2, and facilitate the assembly and production of the branch binding machine.

[0042] The bottom frame 1 is provided with a guide portion 132, and the needle piece 4 is provided with a guide groove 41 matched with the guide portion 132. The needle piece 4 can move relative to the guide portion 132, so as to move away from or close to the supporting wall 224. The arrangement of the guide portion 132 and the guide groove 41 facilitates the movement of the needle piece 4 away from or close to the supporting wall 224, thereby increasing the movement range of the needle piece 4, facilitating the close cooperation between the needle piece 4 and the supporting wall 224, and facilitating the use of the user.

[0043] The width of the guide groove 41 is greater than the thickness of the guide portion 132 in the embodiment, so that the ejector pin 4 can swing relative to the guide portion 132.

[0044] The mounting groove 131 is provided on the base frame 1, the guide portions 132 are provided on the two sides of the mounting groove 131, and the guide grooves 41 are provided on the two sides of the ejector pin 4.

[0045] The base frame 1 comprises a main support 11 and a pressing plate 12 which are detachably connected, the main support 11 is rotationally connected with the middle frame 2, the positioning groove 121 is arranged between the main support 11 and the pressing plate 12, the guide frame 13 is detachably arranged in the positioning groove 121, and the guide portion 132 is arranged on the guide frame 13.

[0046] The limiting groove 14 is arranged on the base frame 1, the limiting portion 24 which is matched with the limiting groove 14 is arranged on the middle frame 2, the limiting portion 24 is arranged in the limiting groove 14, so that the rotation range of the middle frame 2 and the base frame 1 is limited, the ejector pin 4 is prevented from being separated from the guide wall 227, the limiting groove 14 and the limiting portion 24 can limit the rotation range of the middle frame 2 and the base frame 1, the ejector pin 4 is prevented from being separated from the guide wall 227 due to too large rotation angle of the middle frame 2, the ejector pin 4 is convenient to be arranged in the nail outlet groove 223, and the user is convenient to use.

[0047] The middle frame 2 comprises a box body 21 and a nail storage seat 22 which are fixedly connected, the nail storage cavity is arranged in the box body 21, the nail storage seat 22 is arranged at the front of the nail storage cavity, the nail storage seat 22 comprises a connecting piece 221 and a guide piece 222 which are fixedly connected, the nail outlet groove 223 is formed between the connecting piece 221 and the guide piece 222, the connecting piece 221 is fixedly connected with the box body 21, the guide groove 41 which is connected with the nail storage cavity and the nail outlet groove 223 is arranged on the connecting piece 221, the push spring 7 can drive the nail row 9 to pass through the guide groove 41 and enter the nail outlet groove 223, and the connecting piece 221 and the guide piece 222 are convenient for production and machining of the nail outlet groove 223, improve the precision and structural strength of the nail outlet groove 223, avoid the situation that the nail outlet groove 223 is deformed to cause multiple nails, and ensure normal use of the nail outlet structure.

[0048] The box body 21 is detachably provided with a sliding cover 23, the sliding cover 23 can hide the row of nails 9, the push spring 7 and the push rod 6, and preferably, the connecting piece 221 is provided with a positioning protrusion 226, and the box body 21 is provided with a positioning groove matched with the positioning protrusion 226.

[0049] In the embodiment, the guide piece 222 and the connecting piece 221 are respectively provided with a groove 2221 and an abutting plane 2211, the abutting plane 2211 abuts against the side of the groove 2221 and combines with the groove 2221 to form the nail discharging groove 223, the groove 2221 and the abutting plane 2211 can avoid the misplacement of the connecting piece 221 and the guide piece 222 in the installation process to affect the relative movement of the row of nails 9 in the nail discharging groove 223, facilitate the production and assembly of the nail discharging structure, and avoid the loosening of the connecting piece 221 and the guide piece 222 after long-time use to affect the normal use of the nail discharging structure, and the connecting piece 221 is provided with a through hole 225 in communication with the nail discharging groove 223, the row of nails 9 passes through the through hole 225 and abuts against the supporting wall 224.

[0050] In the embodiment, the thickness of each row of nails 9 is c, the width of the nail discharging groove 223 is d, the thickness of the thimble piece 4 is e, the thickness e of the thimble piece 4 is less than the width c of the row of nails 9, the width d of the nail discharging groove 223 is greater than the width c of the row of nails 9, and the width d of the nail discharging groove 223 is less than twice the width c of the row of nails 9, so that only one row of nails 9 can be discharged in the nail discharging groove 223 each time, the structure can avoid the occurrence of the multiple nail discharging condition in use, the row of nails 9 is not easy to be stuck in the nail discharging groove 223, and the user can use conveniently.

[0051] The above embodiment is only a preferred embodiment of the utility model, and does not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A nail dispensing structure for a branch tying machine, comprising a base frame (1) and a middle frame (2) rotatably connected, wherein the base frame (1) is provided with a first elastic element (3) for driving the middle frame (2) to reset, the middle frame (2) is provided with a nail storage cavity for storing a row of nails (9), a push rod (6) and a thrust spring (7) are movably disposed in the nail storage cavity, and a nail dispensing groove (223) is provided at the front end of the nail storage cavity, characterized in that: The bottom frame (1) is movably provided with a thimble (4) and a second elastic member (5), the ejection slot (223) is provided with a support wall (224) away from the side of the nail storage cavity, the push spring (7) can drive the row of nails (9) to enter the ejection slot (223) through the push rod (6) and abut against the support wall (224), and the support wall (224) is connected with a guide wall (227), and the second elastic member (5) drives the thimble (4) to abut against the guide wall (227). The control middle frame (2) swings towards the bottom frame (1), the thimble (4) can be guided to enter the ejection slot (223) through the guide wall (227) and abut against the support wall (224), and the thimble (4) can drive the row of nails (9) to be ejected from the ejection slot (223).

2. The nail delivery structure of a branch binding machine according to claim 1, wherein: The bottom frame (1) is provided with a support part (122), the support part (122) is arranged between the support wall (224) and the second elastic member (5), the second elastic member (5) drives the thimble (4) to swing around the support part (122), and the upper end of the thimble (4) abuts against the support wall (224).

3. The nail delivery structure of a limb binding machine according to claim 2, characterized in that: The thimble (4) extends downwards to the ejection slot (223) to form a support block (42), and the second elastic member (5) can drive the support block (42) to abut against the bottom frame (1) and support the thimble (4).

4. The nail feeding structure of a branch binding machine according to claim 1 or 2 or 3, characterized in that: The bottom frame (1) is provided with a guide part (132), the thimble (4) is provided with a guide groove (41) matched with the guide part (132), and the thimble (4) can move relatively along the guide part (132), so that the thimble (4) is away from or close to the support wall (224).

5. The nail delivery structure of a limb binding machine according to claim 4, characterized in that: The bottom frame (1) is provided with a mounting groove (131), and the mounting groove (131) is provided with a guide part (132) on both sides, and the thimble (4) is provided with a guide groove (41) on both sides.

6. The nail delivery structure of a limb binding machine according to claim 4, characterized in that: The bottom frame (1) comprises a main support (11) and a pressing plate (12) which can be detachably connected, the main support (11) is rotationally connected with the middle frame (2), a positioning groove (121) is arranged between the main support (11) and the pressing plate (12), a guide frame (13) is detachably arranged in the positioning groove (121), and the guide part (132) is arranged on the guide frame (13).

7. The nail delivery structure of a limb binding machine according to claim 1, characterized in that: The bottom frame (1) is provided with a limiting groove (14), the middle frame (2) is provided with a limiting part (24) matched with the limiting groove (14), the limiting part (24) is arranged in the limiting groove (14) to limit the rotation range of the middle frame (2) and the bottom frame (1), so that the thimble (4) and the guide wall (227) are avoided from being separated.

8. The nail delivery structure of a limb binding machine according to claim 1, characterized in that: The middle frame (2) comprises a fixedly connected box body (21) and a nail storage seat (22), a nail storage cavity is arranged in the box body (21), the nail storage seat (22) is arranged in front of the nail storage cavity, the nail storage seat (22) comprises a fixedly connected connecting piece (221) and a guide piece (222), the connecting piece (221) and the guide piece (222) form the nail ejection groove (223) therebetween, the connecting piece (221) is fixedly connected with the box body (21), and the connecting piece (221) is provided with a guide groove (41) connecting the nail storage cavity and the nail ejection groove (223), and the push spring (7) can drive the nail strip (9) to pass through the guide groove (41) and enter the nail ejection groove (223).

9. The nail delivery structure of a limb binding machine according to claim 8, characterized in that: The guide piece (222) and the connecting piece (221) are respectively provided with a groove (2221) and an abutting flat surface (2211), the abutting flat surface (2211) abuts against a side surface of the groove (2221) and forms the nail ejection groove (223) in combination with the groove (2221).

10. The nail delivery structure of a limb binding machine according to claim 1, characterized in that: The thickness of each nail strip (9) is c, the width of the nail ejection groove (223) is d, the thickness of the ejector pin piece (4) is e, the thickness e of the ejector pin piece (4) is less than the width c of the nail strip (9), the width d of the nail ejection groove (223) is greater than the width c of the nail strip (9), and the width d of the nail ejection groove (223) is less than twice the width c of the nail strip (9), so that only one nail strip (9) can be ejected in the nail ejection groove (223) at a time.

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