Nail head machine core structure with position-changeable embedded transverse cutter block

Abstract

The utility model discloses a nail head machine core structure with a position-changeable embedded transverse cutter block, which comprises a nail head machine core box body, a central guide through hole is formed in the middle of the nail head machine core box body, and a small punch rod and a large punch rod are inserted in the central guide through hole in a sleeved mode. An extension mounting part extending leftwards is formed on the outer side wall of the left side of the lower part of the nailing machine core box body, a mounting through groove extending leftwards and rightwards is formed in the middle of the extension mounting part, the left end of the mounting through groove extends out of the left end face of the extension mounting part, and the right end of the mounting through groove is communicated with the lower part of the central vertical through hole; and a cutter mounting block is mounted in the mounting through groove. A cutter mounting block is mounted in a mounting through groove, an inlaying mounting groove is formed in the lower portion of the right end of the cutter mounting block, an inlaying transverse cutter block is mounted at the inlaying mounting groove, and the mounting position can be changed according to needs, so that ribs on the top faces and the bottom faces of the left end and the right end of a steel wire threading through groove can be used as cutting-off blades; and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of corrugated carton printing and packaging machinery and equipment, and more specifically to a nail head core structure with an inlaid transverse cutting knife block whose position can be replaced. Background Technique

[0002] Corrugated cardboard is made into corrugated cartons through die cutting, indentation, nailing or gluing. Corrugated cartons are a kind of packaging products with the widest application, and their usage has always been the first among various packaging products.

[0003] Currently, in corrugated carton packaging equipment, such as the swing type non-stop nailing nail head of corrugated cartons with the Chinese patent application number 201621166213.2, it adopts continuous nailing, and its effect is good and the efficiency is high.

[0004] A nail head core structure with an inlaid transverse cutting knife block whose position can be replaced with the Chinese patent application number 202323428431.1. It connects the tops of the small punch rod and the large punch rod with the small punch connecting block and the large punch connecting block through bolts to achieve a split structure, so that during production, the small punch rod and the large punch rod can be mass-produced with unified specifications, and then, by installing the corresponding model of the small punch connecting block and the large punch connecting block, the product requirements can be met, greatly improving the production efficiency.

[0005] However, a transverse cutting knife needs to be installed below one side of the nail head core box body in the above equipment. After the steel wire extends out from the wire threading slot of the transverse cutting knife, the small punch knife and the large punch knife installed below the small punch rod and the large punch rod are used to press down for punching, cutting and bending. During this process, the steel wire is cut at the bottom rib at the right end of the wire threading slot, and this rib is used as a cutting edge. During the long-term cutting process, the bottom rib will be worn and deformed, etc., resulting in uneven cutting, and it needs to be replaced regularly. Its replacement time is short and the replacement is frequent, greatly increasing the cost. Content of the Utility Model

[0006] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a nail head core structure with an inlaid transverse cutting knife block whose position can be replaced. A tool mounting block is installed in its installation through groove. The lower part of the right end of the tool mounting block is formed with an inlaid mounting groove, and an inlaid transverse cutting knife block is installed at the inlaid mounting groove. Its installation position can be replaced according to needs, so that the ribs on the top and bottom surfaces at the left and right ends of its steel wire threading through groove can be used as cutting edges, increasing its service life and reducing the replacement cost.

[0007] The solution for the utility model to solve the above technical problems is:

[0008] A nail head movement structure with replaceable-position inlaid cross-cutting tool blocks, including a nail head movement box body. A central guiding through hole is formed in the middle of the nail head movement box body. A small punch rod and a large punch rod are inserted into the central guiding through hole. An extended installation part extending leftward is formed on the outer side wall of the left side of the lower part of the nail head movement box body. A horizontally extending installation through groove is formed in the middle of the extended installation part. The left end of the installation through groove extends out of the left end face of the extended installation part. The right end of the installation through groove communicates with the lower part of the central vertical through hole.

[0009] A tool installation block is installed in the installation through groove. A lower part of the right end of the tool installation block is formed with an inlaid installation groove. The bottom surface and the right side wall of the inlaid installation groove extend out of the bottom surface and the right side wall of the tool installation block. The left side and the right side of the top surface of the inlaid installation groove are both formed with obliquely extending downward and outward inclined surfaces. The bottom of the left side plate of the inlaid installation groove is formed with an obliquely extending downward and rightward lower inclined surface. An inlaid cross-cutting tool block is nested in the inlaid installation groove. The upper part and the lower part on the left side and the upper part and the lower part on the right side of the inlaid cross-cutting tool block are all formed with inclined surfaces, which are matched with and closely attached to the corresponding inclined surfaces or lower inclined surfaces. The front wall surface and the rear wall surface of the inlaid cross-cutting tool block are both formed with horizontally extending steel wire threading through grooves. The steel wire threading through grooves communicate with and are aligned with the right end of the left side through groove formed on the front wall surface or the rear wall surface of the tool installation block. The right end of the steel wire threading through groove communicates with the left side of the lower part of the central guiding through hole.

[0010] The steel wire threading through groove is a long through groove. The top surface and the bottom surface of the left end of the left side through groove are obliquely extending walls extending leftward and upward or downward. An extended through groove part is formed between the two obliquely extending walls. A guiding block is fixed on the rear wall surface of the extended installation part. A guiding extended part is formed on the front wall surface on the left side of the guiding block. The guiding extended part is located on the left side of the extended installation part. Two horizontally corresponding guiding through holes are formed on the left side wall of the guiding extended part. The horizontally guiding through holes correspond to the corresponding extended through groove parts.

[0011] The outstanding effect of the utility model is:

[0012] Compared with the prior art, a tool mounting block is installed in the installation through groove. A mosaic installation groove is formed at the lower part of the right end of the tool mounting block. A mosaic cross cutting tool block is installed at the mosaic installation groove, and its installation position can be changed according to needs, so that the ribs at the top and bottom of the left and right ends of its steel wire threading through groove can be used as cutting edges. That is, when the rib at the bottom of the right side of the steel wire threading through groove is worn, the mosaic cross cutting tool block can be installed by rotating it 180 degrees clockwise. At this time, the original rib at the upper part of the left end is used as the rib at the bottom of the right side. After this wear, the mosaic cross cutting tool block is rotated 180 degrees in the front-back direction, so that another corresponding rib is used as the rib at the bottom of the right side. After wear, the mosaic cross cutting tool block at this time is rotated 180 degrees clockwise and then used. One mosaic cross cutting tool block can be used 4 times after being reinstalled, greatly increasing its service life and reducing the replacement cost. Brief Description of the Drawings

[0013] Figure 1 is a partial structural schematic diagram of the present utility model;

[0014] Figure 2 is a partial structural schematic diagram of the present utility model with an angle change;

[0015] Figure 3 is a partial structural schematic diagram of the nail head movement box body of the present utility model with its front side plate removed;

[0016] Figure 4 is Figure 3 the partial structural schematic diagram with an angle change of;

[0017] Figure 5 is a partial structural schematic diagram between the tool mounting block and the mosaic cross cutting tool block;

[0018] Figure 6 is Figure 5 the partial structural schematic diagram with an angle change of;

[0019] Figure 7 is a partial structural schematic diagram between the small punch rod and the large punch rod;

[0020] Figure 8 is a partial structural schematic diagram at the large punch rod;

[0021] Figure 9 is a partial structural schematic diagram at the small punch rod. Detailed Embodiment

[0022] The present utility model will be described in detail below in conjunction with the drawings and specific preferred embodiments, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art. These embodiments are only for illustrative purposes and are not intended to limit the scope of the present utility model.

[0023] Embodiment, as shown in Figures 1 to 9 As shown, a nail head core structure with a replaceable-position inlaid cross-cutting tool block includes a nail head core box body 10. A central guiding through hole 11 is formed in the middle of the nail head core box body 10. A small punch rod 31 and a large punch rod 32 are inserted into the central guiding through hole 11. An extended installation part 12 extending leftward is formed on the outer side wall of the left side of the lower part of the nail head core box body 10. A horizontally extending installation through groove 13 is formed in the middle of the extended installation part 12. The left end of the installation through groove 13 extends out of the left end face of the extended installation part 12, and the right end of the installation through groove 13 communicates with the lower part of the central vertical through hole 11;

[0024] A tool installation block 14 is installed in the installation through groove 13. An inlaid installation groove 141 is formed in the lower part of the right end of the tool installation block 14. The bottom surface and the right side wall of the inlaid installation groove 141 extend out of the bottom surface and the right side wall of the tool installation block 14. Oblique faces extending downward and outward are formed on both the left and right sides of the top surface of the inlaid installation groove 141. A lower oblique face extending rightward and downward is formed at the bottom of the left side plate of the inlaid installation groove 141. An inlaid cross-cutting tool block 15 is nested in the inlaid installation groove 141. Oblique faces are formed on the upper and lower parts on the left side and the upper and lower parts on the right side of the inlaid cross-cutting tool block 15, which are matched with and closely attached to the corresponding oblique faces or lower oblique faces. Horizontally extending steel wire threading through grooves 151 are formed on both the front wall surface and the rear wall surface of the inlaid cross-cutting tool block 15. The steel wire threading through grooves 151 communicate with and are aligned with the right end of the left side through groove 142 formed on the front wall surface or the rear wall surface of the tool installation block 14. The right end of the steel wire threading through grooves 151 communicates with the left side of the lower part of the central guiding through hole 11. A large punch knife 34 is installed at the bottom of the large punch rod 32, and the left side wall of the large punch knife 34 is closely attached to the right side wall of the inlaid cross-cutting tool block 15.

[0025] Furthermore, the rear wall surface of the tool installation block 14 and the rear wall surface of the inlaid cross-cutting tool block 15 are pressed against the rear wall surface of the installation through groove 13. A front baffle 121 is fixedly connected to the front wall surface of the extended installation part 12 by bolts, and the rear wall surface of the front baffle 121 is pressed against the front wall surface of the inlaid cross-cutting tool block 15.

[0026] Furthermore, the steel wire threading through grooves 151 are long-shaped through grooves. The top surface and the bottom surface of the left end of the left side through groove 142 are oblique wall surfaces extending leftward and upward or downward. An extended through groove part is formed between the two oblique wall surfaces. A guiding block 16 is fixed on the rear wall surface of the extended installation part 12. A guiding extension part 161 is formed on the left front wall surface of the guiding block 16. The guiding extension part 161 is located on the left side of the extended installation part 12. Two horizontally corresponding guiding through holes 162 are formed on the left side wall of the guiding extension part 161, and the horizontally guiding through holes 162 correspond to the corresponding extended through groove parts.

[0027] Furthermore, an installation groove is formed on the right side wall of the central guiding through hole 11 opposite to the right end of the inlaid cross-cutting tool block 15. The stop block 17 is inserted into the installation groove and fixed on the rear wall surface of the installation groove. The left side wall of the stop block 17 faces the right end of the steel wire threading through groove 151.

[0028] Furthermore, a vertical convex portion 171 is formed in the middle of the left side wall of the stop block 17. The front and rear side walls of the vertical convex portion 171 are inclined wall surfaces. The left ends of the two inclined wall surfaces are close to each other and the right ends are far away from each other. The left side wall of the stop block 17 at the front and rear parts of the vertical convex portion 171 faces the right end of the corresponding steel wire threading through groove 151.

[0029] Furthermore, the tops of the small punch rod 31 and the large punch rod 32 extend out of the top end of the central guiding through hole 11 and are both formed with connecting blocks. The cross section of the large punch rod 32 is in a U shape. A vertical groove extending backward is formed on its front side wall. The top end and the bottom end of the vertical groove extend out of the top surface and the bottom surface. The small punch rod 31 is inserted into the vertical groove. The small punch rod 31 is matched with the vertical groove, and the corresponding side wall of the small punch rod 31 is closely attached to the corresponding inner side wall of the vertical groove.

[0030] In this embodiment, the upper part of the large punch knife 34 is inserted into the bottom of the large punch rod 32 and is fixedly connected to the bottom of the large punch rod 32 by bolts;

[0031] The large punch knife 34 includes two left and right vertical portions 341. A middle separating portion 342 extending left and right is formed between the lower parts of the two vertical portions 341. The front and rear ends of the middle separating portion 342 are formed on the inner side walls of the lower parts of the two vertical portions 341. Two vertical guiding through grooves 343 are formed on the opposite wall surfaces of the two vertical portions 341. The two vertical guiding through grooves 343 are located on the front and rear sides of the middle separating portion 342;

[0032] The bottom of the small punch rod 31 is formed with an insertion through groove 311 extending front and rear. The bottom end of the insertion through groove 311 extends out of the bottom surface of the small punch rod 31. Horizontal convex portions 312 extending left and right are formed on the lower parts of the left and right inner side walls of the insertion through groove 311. The upper part of the small punch knife 33 is inserted into the insertion through groove 311. Horizontal slots are formed on the left and right side walls of the upper part of the small punch knife 33. The horizontal convex portions 312 are inserted into the corresponding horizontal slots. The upper part of the small punch knife 33 is matched with the insertion through groove 311;

[0033] In the middle of the bottom surface of the small punch knife 33, a middle slot extending upward is formed. The left and right ends of the middle slot extend out of the front and rear wall surfaces of the small punch knife 33. A plurality of vertical guide bars 331 are formed on the left and right wall surfaces of the lower part of the small punch knife 33. The vertical guide bars 331 are inserted into the corresponding vertical guide through slots 343 and cooperate with the vertical guide through slots 343. The middle partition 342 is inserted into the middle slot and cooperates with the middle slot.

[0034] When this embodiment is in use, after the steel wire extends into the horizontal guide through hole 162, it enters along the corresponding extended through slot part and then enters the steel wire threading through slot 151 from the right end of the left through slot 142, and moves to the right, always pressing against the left wall surface of the stop block 17. Then, the large punch knife 34 and the small punch knife 33 move downward for punching. After cutting off the right end of the steel wire, a nail is driven. Among them, when cutting, the rib at the bottom of the right end of the steel wire threading through slot 151 will be worn. After a certain period of time, when this rib is damaged and deformed, it cannot cut quickly. At this time, it is necessary to remove the front baffle 121 and then remove the inlaid cross-cutting knife block 15 from the tool mounting block 14. The inlaid cross-cutting knife block 15 can be installed by rotating it 180 degrees clockwise. At this time, the rib on the upper part of the original left end is used as the rib at the bottom on the right side. After this wear, the inlaid cross-cutting knife block 15 is rotated 180 degrees in the front-rear direction, so that another corresponding rib is used as the rib at the bottom on the right side. After wear, the inlaid cross-cutting knife block 15 is rotated 180 degrees in the clockwise direction and then used. One inlaid cross-cutting knife block 15 can be replaced and used 4 times, greatly increasing its service life and reducing the replacement cost.

[0035] The above embodiments are only used to illustrate the present invention, rather than to limit the present invention. Those of ordinary skill in the relevant technical fields can also make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions also belong to the scope of the present invention. The patent protection scope of the present invention shall be defined by the claims.

Claims

1. A staple head core structure with replaceable-position inlaid cross-cutting cutter blocks, comprising a staple head core box body (10). A central guiding through hole (11) is formed in the middle of the staple head core box body (10). A small punch rod (31) and a large punch rod (32) are inserted into the central guiding through hole (11). It is characterized in that: On the outer side wall of the left side of the lower part of the nail head machine core box body (10), an extended installation part (12) extending to the left is formed. In the middle of the extended installation part (12), an installation through groove (13) extending left and right is formed. The left end of the installation through groove (13) extends out of the left end face of the extended installation part (12), and the right end of the installation through groove (13) communicates with the lower part of the central guiding through hole (11). A tool installation block (14) is installed in the installation through groove (13). At the lower part of the right end of the tool installation block (14), an inlaid installation groove (141) is formed. The bottom surface and the right side wall of the inlaid installation groove (141) extend out of the bottom surface and the right side wall of the tool installation block (14). On the left and right sides of the top surface of the inlaid installation groove (141), inclined surfaces extending downward and outward are formed. At the bottom of the left side plate of the inlaid installation groove (141), a lower inclined surface extending rightward and downward is formed. The inlaid cross-cutting tool block (15) is nested in the inlaid installation groove (141). Oblique surfaces are formed on the upper and lower parts on the left side and the upper and lower parts on the right side of the inlaid cross-cutting tool block (15), which are matched with and closely attached to the corresponding inclined surfaces or lower inclined surfaces. Transverse wire threading through grooves (151) are formed on the front and rear wall surfaces of the inlaid cross-cutting tool block (15). The transverse wire threading through grooves (151) communicate with and are aligned with the right end of the left side through groove (142) formed on the front or rear wall surface of the tool installation block (14). The right end of the transverse wire threading through groove (151) communicates with the left side of the lower part of the central guiding through hole (11).

2. The nail head movement structure with an insertable cross-cutting cutter block whose position can be exchanged according to claim 1, characterized in that: The rear wall surface of the tool installation block (14) and the rear wall surface of the inlaid cross-cutting tool block (15) are pressed against the rear wall surface of the installation through groove (13). On the front wall surface of the extended installation part (12), a front baffle (121) is fixedly connected by bolts. The rear wall surface of the front baffle (121) is pressed against the front wall surface of the inlaid cross-cutting tool block (15).

3. A staple head movement structure with an insertable cross-cutting tool block whose position can be exchanged according to claim 1, characterized in that: The transverse wire threading through groove (151) is a long through groove. The top surface and the bottom surface of the left end of the left side through groove (142) are inclined wall surfaces extending leftward and upward or downward. An extended through groove part is formed between the two inclined wall surfaces. A guiding block (16) is fixed on the rear wall surface of the extended installation part (12). On the left front wall surface of the guiding block (16), a guiding extension part (161) is formed. The guiding extension part (161) is located on the left side of the extended installation part (12). On the left side wall of the guiding extension part (161), two horizontally corresponding guiding through holes (162) are formed. The horizontally guiding through holes (162) correspond to the corresponding extended through groove parts.

4. A staple head core structure with a replaceable-position inlaid cross-cutting cutter block according to claim 1, characterized in that: On the right side wall of the central guiding through hole (11) opposite to the right end of the inlaid cross-cutting tool block (15), an installation groove is formed. A stop block (17) is inserted into the installation groove and fixed on the rear wall surface of the installation groove. The left side wall of the stop block (17) faces the right end of the transverse wire threading through groove (151).

5. A staple head core structure with an inlaid cross-cut cutter block whose position can be exchanged according to claim 4, characterized in that: A vertical convex portion (171) is formed in the middle of the left side wall of the stop block (17). The front and rear side walls of the vertical convex portion (171) are inclined wall surfaces. The left ends of the two inclined wall surfaces are close to each other and the right ends are far from each other. The left side wall of the stop block (17) at the front and rear portions of the vertical convex portion (171) faces the right end of the corresponding steel wire threading groove (151).

6. The nail head movement structure with an inlaid cross-cutting tool block whose position can be exchanged according to claim 1, characterized in that: A large punch knife (34) is installed at the bottom of the large punch rod (32). The left side wall of the large punch knife (34) is closely attached and inlaid with the right side wall of the cross-cutting knife block (15).

Images