CN108081192B - Plug-in device for U-shaped nails - Google Patents

Abstract

The invention relates to a plug-in connection for a staple. The plug-in device comprises a conveying mechanism, a positioning mechanism and an inserting mechanism. The conveying mechanism conveys the staples under the drive of the conveying driving device. A positioning mechanism movable between an initial raised position in which the positioning mechanism is configured to receive staples delivered from the delivery mechanism and a depressed position; in the depressed position, the staples received by the positioning mechanism are released. The insertion mechanism is driven by the insertion driving device to insert the staples received by the positioning mechanism into the slits at the joints of the fascia. Through the plug-in device, the labor intensity of workers can be reduced, the mechanized production is realized, and the production rate is greatly improved.

Description

Plug-in device for U-shaped nails

Technical Field

The invention relates to the field of earthwork, in particular to a U-shaped nail inserting device for inserting a rib belt forming an earthwork lattice chamber by using U-shaped nails.

Background

The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

The geocell is widely applied to the geotechnical fields such as roadbed construction, slope greening and the like, and has the main function of preventing water and soil loss and being beneficial to green planting growth. The geocell is a cellular or grid three-dimensional structure formed by connecting a plurality of tendons in different modes. Currently, the geocell in the market is mainly formed by welding, riveting or plugging the tendons.

For geocells formed by butt-spot welding or riveting, there is a problem in that the tensile strength of the tendons is significantly inconsistent with the tensile strength of the joints, which are significantly lower than the tensile strength of the tendons. In order to solve the problem that the strength of the reinforcement belt is inconsistent with that of the joint, a technical scheme for forming a geocell by splicing the reinforcement belt by using U-shaped steel nails is provided. In this solution, slits are formed in two strips adjacent to each other, which slits extend in the longitudinal direction of the strip, are parallel to each other and are spaced apart from each other in the height direction of the strip. The two ends of the U-shaped steel nails sequentially penetrate through the slits on the reinforcement belts in a staggered mode, and therefore the two reinforcement belts are spliced together to form the geocell. In the geocell formed by splicing the tendons with the staples, the tensile strength of the tendons is substantially identical to the tensile strength of the joints. Due to the excellent mechanical properties of the plug-in geotechnical cells, the plug-in geotechnical cells gradually take the dominant role in the cell application market.

However, in current manufacturing processes for plugged geocells, the staple is often manually driven into the slits of the tendon by a worker using a hammer. Therefore, the automation degree of the manufacturing of the inserted geocell is low, the productivity is low, the labor intensity of workers is high, and the product quality is unstable. Therefore, the mechanization and automation degree of the manufacturing of the plug-in geocell are required to be improved.

Disclosure of Invention

The present invention aims to address one or more of the above problems.

One aspect of the present invention is to provide a staple plugging device. The staple inserting device comprises a conveying mechanism, a positioning mechanism and an inserting mechanism. The conveying mechanism conveys the staples under the drive of the conveying driving device. A positioning mechanism movable between an initial raised position in which the positioning mechanism is configured to receive staples delivered from the delivery mechanism and a depressed position; in the depressed position, the staples received by the positioning mechanism are released. The insertion mechanism is driven by the insertion driving device to insert the staples received by the positioning mechanism into the slits at the joints of the fascia.

The insertion mechanism comprises a guide groove plate, an insertion push plate and a baffle plate. The baffle is fixed to the guide chute plate. The surface of the guide groove plate, which is opposite to the baffle plate, is provided with a positioning groove, and the insertion push plate moves up and down in the positioning groove under the drive of the insertion driving device.

The positioning groove comprises a large straight groove part, a transition part and a small straight groove part, wherein the transition part is connected with the large straight groove part and the small straight groove part. The width of the large straight groove part is larger than that of the small straight groove part. By means of the arrangement, on one hand, the closing-in effect of the staples can be achieved while the staples are inserted, and on the other hand, the insertion push plate can be prevented from moving downwards in the positioning groove beyond a preset position.

The large straight groove portion is provided with a recess in which the positioning mechanism is mounted.

The insert push plate includes a large upright, a transition, and a small upright, the transition connecting the large and small uprights. The width of the large upstanding portion is greater than the width of the small upstanding portion.

The end of the small upright is provided with a recess. In one embodiment, the recess is in the form of a triangular groove.

The conveying mechanism comprises a conveying rail, a conveying push plate and a conveying rail bracket. The conveying rail is fixed on a conveying rail bracket, and the conveying rail bracket is fixed to the guide groove plate. The conveying push plate moves on the conveying track under the drive of the conveying drive device to convey the staples.

The conveying rail support is formed with a groove, and one end of the conveying rail is fitted in the groove of the conveying rail support. In one embodiment, the delivery track is secured to the delivery track bracket by screws.

The profile of the delivery track is substantially the same as the shape of the staples. By this arrangement, the staples can be prevented from rocking on the conveying track, thereby ensuring stable conveyance.

The middle part of the conveying push plate is provided with a groove, and the conveying track passes through the groove of the conveying push plate. In one embodiment, the trough of the delivery pusher plate is in a closed shape and the trough of the delivery pusher plate is shaped to mate with the shape of the delivery track.

The positioning mechanism comprises a positioning bracket, a rotating shaft and a biasing device. The biasing means biases the positioning bracket toward the original raised position. In the original raised position, the positioning carriage receives staples delivered from the delivery mechanism.

The positioning bracket is provided with a T-shaped groove, the positioning bracket is arranged in the T-shaped groove through the rotating shaft, and the positioning bracket can rotate relative to the positioning bracket around the rotating shaft.

The positioning bracket includes an arm portion that protrudes from the T-shaped slot of the positioning bracket. In the original raised position, the arm is flush with the top of the conveyor track and the spacing between the end of the arm and the front face of the conveyor track is less than the diameter of the staple.

The insertion push plate pushes the arm portion from the original upright position to the depressed position under the drive of the insertion drive device.

In one embodiment, the biasing means is a torsion spring.

In one embodiment, the delivery drive is a tension spring. One end of the tension spring is fixed on the conveying push plate, and the other end of the tension spring is fixed on the guide groove plate.

In another embodiment, the transport drive is a cylinder or a motor.

In one embodiment, the insertion drive means is a cylinder or a motor.

Another aspect of the invention is to provide a method of inserting staples into slits in a tendon to form geocells using a plug-in device according to the invention. The method comprises the following steps: step S1, placing a plurality of U-shaped nails on a conveying mechanism; step S2, starting a conveying driving device to convey one of a plurality of staples to a positioning mechanism; s3, placing the rib belt below the plug-in device, and enabling a joint to be connected of the rib belt to be aligned with the plug-in device; step S4, actuating the insertion driving device to insert a staple on the positioning mechanism into the lancing through the insertion mechanism, and returning the insertion mechanism to the original position after the staple is inserted into the lancing; step S5, removing the contact point of the rib belt from the current position; repeating steps S3 to S5 until all the plurality of staples are inserted into the fascia.

By means of the staple plugging device according to the invention, it is possible to insert staples into the slits at the joints of the tendons by means of the corresponding driving means to form plugged geocells. On the one hand, the labor intensity of workers can be reduced, the mechanized production is realized, and the production rate is greatly improved. On the other hand, the problem of uneven insertion due to inconsistent operations of workers and thus unstable product quality can be avoided.

Drawings

Embodiments of the invention will hereinafter be described, by way of example only, with reference to the accompanying drawings, in which like features or elements are indicated with like reference numerals and in which:

Fig. 1 is a schematic view of a plug-in device for staples according to the invention;

fig. 2 is an exploded view of the automatic plugging device of fig. 1;

FIG. 3 is a perspective view of a staple suitable for use in the plug-in device of FIG. 1;

fig. 4 is a perspective view of a conveyor track of the plug-in connection of fig. 1;

FIG. 5 is a perspective view of a delivery pusher plate of the plug-in device of FIG. 1;

fig. 6 is a perspective view of a conveyor rail mount of the plug-in connection of fig. 1;

FIG. 7 is a perspective view of the positioning device of the plug device of FIG. 1 with the arm of the positioning bracket in an original raised position;

FIG. 8 is a perspective view of the positioning device of the plug device of FIG. 1 with the arm of the positioning bracket in a depressed position;

fig. 9 is a perspective view of a positioning bracket of the plug device of fig. 1;

FIG. 10 is a perspective view of a positioning bracket of the plug device of FIG. 1;

FIG. 11 is a partial assembly view of the plug device of FIG. 1 showing the installation of the positioning device in the guide channel plate;

fig. 12 is a perspective view of a guide channel plate of the plug-in device of fig. 1;

FIG. 13 is a perspective view of an insertion push plate of the plug-in device of FIG. 1; and

Fig. 14 is a perspective view of a joint formed by the plug-in device according to the invention.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, like reference numerals refer to the same or like parts and features. The drawings are merely schematic representations, not necessarily showing specific dimensions and proportions of the various embodiments of the invention, the relative details or structure of the various embodiments of the invention, which may be shown exaggerated in the particular figures or specific parts of the drawings.

Fig. 1 shows a schematic view of a plug-in connection 100 for a staple according to the invention. Fig. 2 shows an exploded view of the plug device 100. The plugging device 100 is used to automatically insert the staples 15 into the slits (not shown) of the tendons to form plugged geocells.

The plugging device 100 comprises a conveying mechanism, a positioning mechanism and an inserting mechanism. The conveying mechanism comprises a conveying track 1, a conveying push plate 2 and a conveying track bracket 4. The conveying mechanism is used for conveying the staples to a positioning mechanism which will be described below under the drive of the conveying drive. In the embodiment shown in the figures, the transport drive is a tension spring 3. Alternatively, the conveying drive may take other forms, for example, any of a compression spring, a cylinder, or a motor.

Fig. 3 shows a perspective view of the staple 15. In this embodiment, the staples are steel. Alternatively, the staples may be made of other materials so long as the desired tensile strength at the tendon attachment points is met. The staple 15 comprises two legs 151, 152 and a connection 153 connecting the two legs. To facilitate placement of the staples 15 on the conveyor track 1, the distance of the two legs 151, 152 of the staples 15 at their ends is greater than the length of the connection 153. That is, the staple 15 has a U-shape with a small closed end and a large open end, as shown in FIG. 3.

Fig. 4 shows a perspective view of the conveyor track 1. In use of the staple plugging device 100, a row of staples to be inserted, for example, typically several tens of staples, can be placed on the conveyor track 1. When the staples 15 are placed on the conveyor track 1, the connecting portion 153 of the staples 15 rest on the top 11 of the conveyor track 1 and the two legs 151, 152 of the staples 15 rest on the sides 13 of the conveyor track 1, respectively. The profile of the conveyor track 1 is substantially similar to the shape of a staple so that the two legs 151, 152 of the staple can contact the two sides 13 of the conveyor track 1, respectively, so that the staple can be stably moved on the conveyor track 1 without rattling. The delivery track 1 may be solid or hollow, provided that it has a substantially similar profile to the shape of a staple. The front end of the lower portion 12 of the conveying track 1 is engaged in a groove 41 (see fig. 6) of a conveying track holder 4 to be described later. And, a screw hole 15 is provided at the front end of the bottom of the conveying rail 1 to be fixed to the conveying rail bracket 4 by a screw (not shown).

Fig. 5 shows a perspective view of the transport push plate 2. A slot 22 is formed through the delivery pusher plate 2. In fig. 5, the slot 22 is shown as a closed slot, the shape of the slot 22 approximately conforming to the contour of the conveying track 1, the conveying track 1 passing through the slot 22 of the conveying pusher 2, as shown in fig. 1, so that the conveying pusher 2 can slide over the conveying track 1 and push the staples 15 on the conveying track 1 through its front surface 21. Alternatively, the groove 22 may be provided as an open V-shaped groove, the transport push plate 2 being moved on the transport rail, the groove wall of which V-shaped groove is in contact with the side face of the transport rail.

On opposite side surfaces of the conveying push plate 2, there are provided upright posts 23 for connecting one end of the tension spring 3. Preferably, the lower portion of the delivery pusher 2 is formed with a recess 24 so that the delivery pusher 2 can slide to a position partially overlapping the delivery track support 4 so that more staples can be placed on the delivery track 1 at a time for delivery to the staple positioning device one by one.

Fig. 6 shows a conveyor track support 4. The conveyor rail holder 4 is provided at its center with a groove 41, the groove 41 being in the shape of a dovetail groove, the shape of which matches the outer shape of the lower portion 12 of the conveyor rail 1, so that one end of the lower portion 12 of the conveyor rail 1 fits in the groove 41 of the conveyor rail holder 4. A through hole 42 is provided at the bottom of the groove 41. After the lower portion 12 of the conveyor rail 1 is fitted into the groove 41, bolts (not shown) are passed through the through holes 42 of the conveyor rail bracket 4 and engaged to the threaded holes 15 on the bottom of the conveyor rail 1 to fix the conveyor rail 1 to the conveyor rail bracket 4 such that the front end face 14 of the conveyor rail 1 is aligned with the front end face of the conveyor rail bracket 4. Two through holes 43, 44 are formed through the front and rear end surfaces of the conveying rail bracket 4 to be fixed to a guide groove plate 5 to be described later by bolts S1, S2.

As shown in fig. 2, the positioning mechanism includes a positioning bracket 8, a positioning bracket 9, a rotation shaft 10, and a biasing device 20. Fig. 7 and 8 show two states of the positioning mechanism, wherein fig. 7 shows the positioning carriage 9 in an original raised position to receive a staple and fig. 8 shows the positioning carriage 9 in a depressed position to release the staple. Fig. 9 shows a perspective view of the positioning bracket 8. The positioning bracket 8 is provided with a T-shaped groove 81. And through holes 82 (only the through holes 82 on one side surface are shown in fig. 9) are provided on two opposite side surfaces of the positioning bracket 8, which are opposite to each other. Fig. 10 shows a perspective view of the positioning bracket 9. The positioning bracket 9 has a cylinder 91, an arm 92, and the arm 92 is attached to the outer peripheral surface of the cylinder 91 approximately tangential to the cylinder 91. Alternatively, the cylinder 91 may be integrally formed with the arm 92. The arm 92 is generally in the shape of a right quadrangular prism and the four edges are rounded to receive the staple 15. A through hole 93 is formed at the center of the cylinder 91. The biasing device 20 is wound around the rotation shaft 10, and the rotation shaft 10 penetrates through the through hole 93 of the positioning bracket 9 from the through hole 82 on one side surface of the positioning bracket 8 and out from the through hole on the other side surface of the positioning bracket 8 to set the positioning bracket 9 in the T-shaped groove portion 81 of the positioning bracket 8, and the arm portion 92 of the positioning bracket 9 protrudes from the opening 811 of the T-shaped groove portion 81 of the positioning bracket 8, as shown in fig. 7. One end of the biasing means 20 is fixed to the inner wall of the positioning bracket 8 and the other end abuts against the cylinder 91 or arm 92 of the positioning bracket 9. When the positioning bracket 9 is rotated about the rotation shaft 10 to the depressed position shown in fig. 8, the biasing device 20 applies a biasing force to the arm 92 of the positioning bracket 9 to bias the positioning bracket 9 to the original standing position. In the illustrated embodiment, the biasing means 20 takes the form of a torsion spring. However, the present invention is not limited thereto. In other embodiments, the biasing device 20 may take other suitable forms, for example, the biasing device 20 may take the form of a tension spring. The positioning mechanism is installed in the guide groove plate 5 as shown in fig. 11.

When the positioning bracket 9 is in the original standing position, the arm 92 of the positioning bracket 9 is substantially flush with the top 11 of the conveyor track 1, and the end of the arm 92 is close to the front end surface 14 of the conveyor track 1.

As shown in fig. 1, the insertion mechanism includes a guide groove plate 5, an insertion push plate 6, and a shutter 7. As shown in fig. 12, a positioning groove 52 is provided on the surface 51 of the guide groove plate 5. The depth of the detent 52 is slightly greater than the diameter of the staple 15. In the present exemplary embodiment, the diameter of staple 15 is 3mm and the depth of detent 52 is 3.2mm. The positioning groove 52 includes a large straight groove portion 521, a transition portion 522, and a small straight groove portion 523, and the transition portion 522 connects the large straight groove portion 521 and the small straight groove portion 523. In the present exemplary embodiment, the length of the small straight groove portion 523 is 3mm to 4mm. As described above, the two legs of the staple 15 are in a shape separated from each other. On the one hand, by the above arrangement of the guide groove plate, the lower ends of the two leg portions of the staple can be brought close to each other while inserting the staple 15 into the cutout of the webbing, and the function of closing the staple can be achieved. On the other hand, the above arrangement of the guide groove plate 5 also prevents the insertion push plate 6 from moving downward beyond a predetermined distance, thereby avoiding the impact or damage to the webbing caused by the excessive pushing of the staples 15 into the webbing.

Four threaded holes 54, 55, 56, 57 are also provided on the surface 51 of the guide chute plate 5, wherein the threaded holes 54, 55 are provided on an upper portion of the guide chute plate 5 and the threaded holes 56, 57 are provided on a lower portion of the guide chute plate 5. The baffle 7 is provided with two through holes. Screws S3, S4 pass through two through holes of the baffle plate 7 and are screwed into threaded holes 54, 55 of the guide chute plate 5 to fix the baffle plate 7 to the surface 51 of the guide chute plate 5, as shown in fig. 11. Screws S1, S2 pass through the through holes 43, 44 on the conveyor track frame 4 and are screwed into the threaded holes 56, 57 of the guide channel plate 5 to secure the conveyor track frame 4 to the surface 51 of the guide channel plate 5. Preferably, the through holes in the baffle 7 and the through holes in the rail brackets 4 are counter-sunk holes.

In addition, in the groove 52 of the guide groove plate 5, specifically, a recess 58 for accommodating the positioning mechanism described above is provided in the large straight groove portion 521 of the groove 52, as shown in fig. 11. The guide groove plates 5 are provided with upright posts 53 on opposite sides thereof, respectively. One end of the tension spring 3 is connected to the upright 23 of the delivery push plate 2, and the other end of the tension spring 3 is connected to the upright 53 of the guide groove plate 5, as shown in fig. 1.

Fig. 13 shows a perspective view of the insertion push plate 6. The profile of the insertion push plate 6 is substantially similar to the shape of the slot 52 of the guide slot plate 5. The insert push plate 6 includes a large upright 61, a transition 62, and a small upright 63, the transition 62 connecting the large upright 61 and the small upright 63. A concave portion 65 is formed at one end of the small standing portion 63. In the illustrated embodiment, the recess 65 is in the form of a triangular groove to better engage the connecting portion 153 of the staple 15. Alternatively, the concave portion 65 may take the form of other circular arc concave portions. The upper end of the insert push plate 6 is provided with a hole 66 for connection to an insert drive mechanism (not shown). The insertion push plate 6 is driven by an insertion driving mechanism (not shown) to move up and down in the groove 52 of the guide groove plate 5 between its home position and its lower end position. At the original position of the insertion push plate 6, the small upright 63 of the insertion push plate 6 is located above the original raised position of the arm 92 of the positioning bracket 9, at a distance from the arm 92 greater than the diameter of the staple 15, but the small upright 63 is located below the baffle 7. In an exemplary embodiment, the insertion drive mechanism is a cylinder (not shown). Alternatively, the insertion drive mechanism may also be a motor. The thickness of the insert push plate 6 is substantially equal to or slightly less than the depth of the slot 52 of the guide slot plate 5. The width of the large upstanding portion 61 of the insert push plate 6 is generally equal to or slightly less than the width of the large straight slot portion 521 of the slot 51. The insertion push plate 6 is inserted into the groove 52 of the guide groove plate 5, and the end surface 64 thereof is blocked by the baffle plate 7, thereby restricting the insertion push plate 6 from rocking back and forth.

The operation of the staple plugging device 100 according to the invention is described below with reference to the drawings.

First, a row of staples 15 is placed on the conveyor track 1, with the tension springs 3 in tension. The transport push plate 2 is moved on the transport rail 1 towards the guide channel plate 5 by the tension spring 3 and pushes a staple 15 onto the arm 92 of the positioning bracket 9. The tendon to be connected is placed under the plug-in device with the slit at one of the junctions of the tendon to be connected aligned with the plug-in device, in particular with the slit aligned with the small straight slot portion 523 of the slot 52 of the guide slot plate 5. Then, the insertion push plate 6 moves downward in the groove 52 of the guide groove plate 5 by the air cylinder, the recess 65 of the lower end of the insertion push plate 6 engages the connecting portion 153 of the staple 15 on the arm portion 92 and pushes the staple 15 downward to insert the staple 15 into the slit of the tendon while the arm portion 92 rotates downward about the rotation shaft 10 against the biasing force of the biasing means 20 in the T-shaped groove portion 81 of the positioning bracket 8. Then, the insertion push plate 6 moves upward in the groove 52 of the guide groove plate 5 by the cylinder to return to its original position. At the same time, the positioning carriage 9 is returned to its original raised position by the biasing means 20, the arm 92 of the positioning carriage 9 being flush with the top 11 of the conveyor track 1. Once the insertion push plate returns to its original position, the delivery push plate 2 pushes the other staple 15 onto the arm 92 of the positioning bracket 9 under the action of the tension spring 3. The contact of the tendon is moved away from the current position, i.e. from below the plug-in device. The above process is repeated until the last staple 15 on the conveyor track 1 is inserted into the fascia.

The joint of the tendons formed by the plug-in device according to the invention is shown in fig. 14. In fig. 14, the staple 15 is inserted into the slits of two bands aligned with each other, and the two legs of the staple 15 are sequentially staggered through the slits of the bands to join the bands together. It should be noted here that although fig. 14 shows the insertion of a staple into the slits of two bands, the inventive concept is not so limited. The plug-in device according to the invention also makes it possible to insert the staples into slits of more strips aligned with each other. For example, the plug-in device according to the invention can insert a staple into the slits of three strips aligned with each other.

Herein, exemplary embodiments of the present invention have been described in detail, but it should be understood that the present invention is not limited to the specific embodiments described and illustrated in the above. Those skilled in the art will be able to make various modifications and variations to the invention without departing from the spirit and scope of the invention. All such modifications and variations are intended to be within the scope of the present invention. Moreover, all the components described herein may be replaced by other technically equivalent elements.

Claims (15)

1. A plug-in device for a staple, the plug-in device comprising:

a conveying mechanism which conveys the staples under the drive of a conveying driving device;

A positioning mechanism movable between an original raised position and a depressed position, wherein in the original raised position the positioning mechanism is configured to receive staples delivered from the delivery mechanism; in the depressed position, the staples received by the positioning mechanism are released; and

An insertion mechanism which inserts the staples received by the positioning mechanism into the slits at the joints of the fascia under the drive of the insertion driving device,

Wherein the insertion mechanism comprises a guide groove plate, an insertion push plate and a baffle plate, the baffle plate is fixed on the guide groove plate, a positioning groove is arranged on the surface of the guide groove plate opposite to the baffle plate, the insertion push plate moves up and down in the positioning groove under the drive of the insertion driving device,

Wherein the conveying mechanism comprises a conveying track, a conveying push plate and a conveying track bracket, wherein the conveying track is fixed on the conveying track bracket, the conveying track bracket is fixed on the guide groove plate, the conveying push plate moves on the conveying track under the drive of the conveying driving device to convey the U-shaped nails,

Wherein the positioning mechanism includes a positioning bracket, a positioning carriage, a spindle, and a biasing device that biases the positioning carriage toward the original raised position in which the positioning carriage receives staples delivered from the delivery mechanism,

Wherein the positioning bracket is provided with a T-shaped groove, the positioning bracket is arranged in the T-shaped groove through the rotating shaft, the positioning bracket can rotate around the rotating shaft relative to the positioning bracket,

Wherein the positioning bracket includes an arm portion which protrudes from the T-shaped groove of the positioning bracket, and in the original standing position, the arm portion is flush with a top of the conveying rail, and a space between an end portion of the arm portion and a front end surface of the conveying rail is smaller than a diameter of the staple,

Wherein the biasing means is a torsion spring.

2. The plug-in device according to claim 1, wherein the positioning groove comprises a large straight groove portion, a transition portion and a small straight groove portion, the transition portion connecting the large straight groove portion and the small straight groove portion, the large straight groove portion having a width larger than a width of the small straight groove portion.

3. Plug-in device according to claim 2, characterized in that a recess is provided in the large straight groove part, in which recess the positioning means are mounted.

4. The plug-in device according to claim 1, wherein the insertion push plate comprises a large upright, a transition portion and a small upright, the transition portion connecting the large upright and the small upright, the large upright having a width greater than a width of the small upright.

5. The plug-in device according to claim 4, wherein the end of the small upstanding portion is provided with a recess.

6. The plug-in connection as claimed in claim 5, wherein the recess is in the form of a triangular groove.

7. The plug-in connection device according to claim 1, wherein the conveying rail holder is formed with a groove, one end of the conveying rail is fitted in the groove of the conveying rail holder, and the conveying rail holder are fixed by screws.

8. The grafting device of claim 1, wherein the delivery track is substantially the same shape as the staple.

9. The plug-in device according to claim 1, wherein the intermediate portion of the transport push plate is provided with a slot, the transport rail passing through the slot of the transport push plate.

10. The grafting device of claim 9, wherein the slot of the delivery pusher is in a closed shape and the slot of the delivery pusher is shaped to mate with the shape of the delivery track.

11. The plug-in device according to claim 1, wherein the insertion push plate pushes the arm portion from the original standing position to the depressed position under the drive of the insertion drive device.

12. The plug-in connection device according to claim 1, wherein the conveying drive device is a tension spring, one end of which is fixed to the conveying push plate, and the other end of which is fixed to the guide groove plate.

13. Plug-in device according to claim 1, characterized in that the transport drive is a cylinder or a motor.

14. Plug-in device according to any of claims 1-13, characterized in that the plug-in drive is a cylinder or a motor.

15. A method of inserting a staple into a slit of a tendon to form a geocell using the plug-in device of any one of claims 1-14, the method comprising the steps of:

step S1: placing a plurality of staples on the transport mechanism;

Step S2: activating the delivery drive to deliver one of the plurality of staples to the positioning mechanism;

Step S3: placing the strap under the plug-in device, so that a joint of the strap to be connected is aligned with the plug-in device;

Step S4: activating the insertion drive to insert the one staple on the positioning mechanism through the insertion mechanism into the slit and returning the insertion mechanism to the original position after the one staple is inserted into the slit;

step S5: removing said one contact of said fascia from the current position; repeating the steps S3 to S5 until all the plurality of staples are inserted into the fascia.