CN217667651U - Automatic nail pressing machine - Google Patents

Abstract

The utility model relates to a technical field of work piece processing, an automatic nailing machine is disclosed, which comprises a base, it is connected with the fixing base that is used for placing the staple and the cylinder that slides that is used for driving the fixing base to slide on the base, still be provided with the pay-off case that is used for carrying the staple on the base and with the sleeve pipe of pay-off case intercommunication, still be provided with the driving piece that is used for driving the sleeve pipe lift on the base, sleeve pipe bottom integrated into one piece has a plurality of shape deformation blocks that are used for holding the staple tightly, the cover is equipped with the extrusion head on the sleeve pipe, one side that the extrusion head is close to shape deformation block is seted up with shape deformation block extrusion complex extrusion groove, the extrusion head butt makes shape deformation block open on the fixing base, be provided with the piece that compresses tightly that is used for butt extrusion head on the sleeve pipe, be fixed with the extrusion device that is used for impressing the staple into the work piece on the base. This application has the effect that improves the work efficiency of work piece equipment.

Description

Automatic nail pressing machine

Technical Field

The application relates to the technical field of workpiece machining, in particular to an automatic nail pressing machine.

Background

At present, when workpieces are machined, not only a single workpiece needs to be machined, but also a plurality of workpieces need to be assembled together, so that the assembly of the workpieces is completed; in the related art, a workpiece mounting device comprises an object stage, wherein a mounting seat for placing a workpiece is fixed on the object stage, an extrusion block for extruding the workpiece is arranged on the mounting seat in a lifting mode, and an air cylinder for driving the extrusion block to lift is arranged on the object stage. During operation, the staff puts the staple of treating the installation on the mount pad, will offer the work piece that is used for pegging graft staple and put on the staple, through the extrusion of cylinder to install the staple on the work piece, thereby accomplish the equipment work of work piece.

To the correlation technique among the above-mentioned, the inventor thinks adopt artificial mode to put the staple on the mount pad among the prior art, puts the work piece on the staple again to assemble, adopt artificial mode to put the staple on the mount pad, not only can increase staff's working strength, still can reduce the installation rate of staple, thereby greatly reduced work piece equipment's efficiency awaits an urgent need to improve.

SUMMERY OF THE UTILITY MODEL

In order to improve the work efficiency of work piece equipment, this application provides an automatic nailing machine.

The application provides an automatic nailing machine adopts following technical scheme:

the utility model provides an automatic nailing machine, includes the base, be provided with the fixing base that is used for placing the staple on the base and be used for the drive the cylinder that slides of fixing base slides, still be provided with on the base be used for carrying the staple the pay-off case and with the sleeve pipe of pay-off case intercommunication, still be provided with on the base and be used for the drive the driving piece that the sleeve pipe goes up and down, sleeve pipe bottom integrated into one piece has a plurality of shape deformation pieces that are used for holding the staple tightly, the cover is equipped with the extrusion head on the sleeve pipe, the extrusion head is close to one side of shape deformation piece seted up with shape deformation piece extrusion complex extrusion groove, extrusion head butt in make on the fixing base shape deformation piece is opened, be provided with on the sleeve pipe and be used for the butt the compressing tightly of extrusion head, be fixed with on the base and be used for impressing the extrusion device of staple work piece.

By adopting the technical scheme, when the automatic nail fixing device works, the feeding box sends the fixing nails into the sleeve, the fixing nails are fixed in the sleeve through the extrusion matching of the deformation blocks and the extrusion heads, when the sleeve moves downwards, the extrusion heads are abutted against the fixed seat, the sleeve moves downwards, the deformation blocks deform outwards, the fixing nails can be placed on the fixed seat, when the extrusion heads are far away from the fixed seat, the deformation blocks can extrude the fixing nails again under the action of the extrusion heads, so that the fixing nails in the sleeve can be better placed on the fixed seat, when the fixed seat with the fixing nails installed slides to the bottom of the extrusion device, a worker places a workpiece on the fixed seat and adjusts the position, and under the action of the extrusion device, the installation of the fixing nails and the workpiece is completed; by adopting the method, the fixing nails are placed through machinery, so that the placing positions of the fixing nails can be more accurate, the assembling precision of the fixing nails and workpieces can be improved, the working strength of workers for placing the fixing nails can be reduced, and the workers can assemble the fixing nails and the workpieces more quickly and conveniently.

Preferably, the driving piece is for driving actuating cylinder, it is provided with the actuating lever to drive actuating cylinder bottom lift, the connecting plate can be dismantled and be connected with to the actuating lever bottom, the sleeve pipe is fixed in on the connecting plate, compress tightly the piece and be pressure spring, the pressure spring both sides respectively the butt in the connecting plate with the both sides that the extrusion head is close to each other.

Through adopting above-mentioned technical scheme, use the connecting plate to carry out the fixed sleeving, at cooperation pressure spring, can make extrusion head butt shape change piece more convenient, make the better staple of hugging closely of shape change piece, ensure to place a staple at every turn, improve the shaping effect of staple and work piece equipment.

Preferably, a portal frame is arranged on the base, a fixing plate for adjusting the position of the sleeve is fixed on the portal frame, a sliding rod is arranged at the bottom of the fixing plate along the lifting direction of the sleeve, and a sliding hole matched with the sliding rod in a sliding manner is formed in the connecting plate.

Through adopting above-mentioned technical scheme, use the portal frame to erect driving actuating cylinder to can make driving actuating cylinder use more stably, through slide bar and sliding hole cooperation, can make the connecting plate slide more smoothly, and avoid the sleeve pipe to take place to remove at the in-process that uses, improve the stability of placing the staple.

Preferably, the portal frame is detachably connected with an adjusting seat used for being plugged with the fixed plate, an adjusting gap is formed between the adjusting seat and the fixed plate, and the outer wall of the adjusting seat is provided with a plurality of locking bolts used for being abutted against the outer wall of the fixed plate.

Through adopting above-mentioned technical scheme, use and adjust seat and fixed plate cooperation, fix through the locking bolt, make and adjust the seat and can remove in adjusting the space to the messenger adjusts the seat and can adjust the position, places the staple on the fixing base more accurately, improves the shaping effect of staple and work piece equipment.

Preferably, the fixed plate is rotatably connected with a rotating block for mounting and fixing the driving element, and the outer wall of the fixed plate is provided with a plurality of fixing bolts for abutting against the outer wall of the rotating block.

Through adopting above-mentioned technical scheme, use turning block and regulation seat cooperation to support tight turning block through fixing bolt, thereby be fixed in the turning block and adjust the seat on, can conveniently adjust sheathed tube position more, improve the convenience of sleeve pipe position control.

Preferably, the base is provided with a slide rail along the horizontal direction, the slide rail is connected with a slide block in a sliding manner, and the sliding cylinder is used for driving the slide block to slide; (ii) a

The fixing base go up and down set up in on the slider, the fixing base bottom is provided with the gag lever post along its direction of lift, the gag lever post runs through the slider sets up, the cover is equipped with the butt spring on the gag lever post, butt spring both ends respectively the butt in the both sides that fixing base and slider are close to each other.

By adopting the technical scheme, the sliding block is matched with the sliding rail, so that the fixed seat can slide more smoothly, the fixed seat can bear enough pressure, and the use convenience of the fixed seat is improved; thereby the fixing base passes through the slide bar and makes the fixing base have certain elasticity with the cooperation of butt spring to avoid driving actuating cylinder pressure when placing the staple and too big parts such as extrusion head and shape changing piece appear damaging, improve the life of extrusion head and shape changing piece.

Preferably, the fixing base is provided with a mounting hole along the lifting direction in a penetrating manner, the mounting hole is connected with a thimble in a sliding manner, a butting seat is arranged between the sliding block and the fixing base, a butting groove is formed in one side, close to the fixing base, of the butting seat, a plug socket is arranged at the bottom of the butting groove, and a reset spring used for butting the thimble is arranged in the plug socket.

By adopting the technical scheme, the fixing nails are placed in the mounting holes and are jacked upwards through the thimble, so that the fixing nails can be placed more conveniently; the fixing nail can only be placed at every time, so that the quantity of the fixing nails during placement is controlled, the fixing nails can be ejected out of the mounting hole when the extrusion head is far away from a specified seat, the workpiece can be placed conveniently, and the working efficiency of workers is improved.

Preferably, the extrusion device comprises an extrusion cylinder detachably connected to the base, and an extrusion plate for pressing the fixing nail into the workpiece is arranged at the bottom of the extrusion cylinder in a lifting mode.

Through adopting above-mentioned technical scheme, use extrusion cylinder cooperation stripper plate can extrude the fixing base to make the staple can assemble with the work piece better.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the extrusion head is matched with the deformation block to place the fixing nail, so that the position for placing the fixing nail is more accurate, the assembly precision of the fixing nail and a workpiece is improved, the working strength of a worker for placing the fixing nail can be reduced, and the worker can assemble the fixing nail and the workpiece more quickly and conveniently;

2. the sleeve is fixed on the connecting plate and is matched with the sliding hole through the sliding rod, so that the connecting plate can be prevented from rotating in the using process, and the stability of the sleeve for placing the fixing nail is improved;

3. the adjusting seat is fixed on the fixing plate through the locking bolt, so that the horizontal position of the adjusting seat can be adjusted, and the sleeve can be better aligned with the fixing seat; the rotating block is fixed on the adjusting seat through the fixing bolt, and the adjusting seat can be rotated, so that the position of the sleeve can be better adjusted, and the accuracy of placing the fixing nail is improved.

Drawings

Fig. 1 is a sectional view of an automatic nailing machine of an embodiment of the present application.

Fig. 2 is a schematic structural view of an automatic nailing machine according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a in fig. 1.

Fig. 4 is an enlarged schematic view of a portion B in fig. 1.

Fig. 5 is an enlarged schematic view of a portion C in fig. 1.

Reference numerals: 1. a feeding box; 2. rotating the support; 3. a gantry; 301. a column; 302. a support plate; 4. a fixed seat; 5. a butting seat; 6. a slider; 7. a base; 8. a slide rail; 9. a slide bar; 10. a locking bolt; 11. an adjusting seat; 12. fixing the bolt; 13. a fixing plate; 14. rotating the block; 15. a drive rod; 16. a drive member; 17. a delivery pipe; 18. a cylinder rod; 19. a slipping cylinder; 20. a limiting seat; 21. a pressing plate; 22. a supporting seat; 23. an extrusion cylinder; 24. a connecting pipe; 25. a connecting plate; 26. a sleeve; 27. an extrusion head; 28. extruding a groove; 29. a thimble; 30. a deformation block; 31. a compression member; 32. fixing nails; 33. a limiting ring; 34. a socket; 35. a return spring; 36. a limiting rod; 37. an abutment spring; 38. a limit bolt; 39. a butt joint groove; 40. blocking the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an automatic nailing machine.

Referring to fig. 1 and 3, the device comprises a base 7, the upper side of the base 7 is divided into a placing area for placing fixing nails 32 and a mounting area for assembling a workpiece and the fixing nails 32 according to the function of a nailing machine, the base 7 is connected with a fixing seat 4 for placing the fixing nails 32 in a sliding manner, the fixing seat 4 is cylindrical, a sliding cylinder 19 for driving the fixing seat 4 to slide is connected to the base 7 through a bolt, so that the fixing seat slides between the placing area and the mounting area, the base 7 is detachably connected with a feeding box 1 for conveying the fixing nails 32 and three sleeves 26 communicated with the feeding box 1, a cylindrical rotating support 2 is fixedly welded to the base 7, the feeding box 1 is connected to the rotating support 2 through a bolt, the position of the feeding box can be adjusted through the tightness of the bolt, the using device is improved, the sleeves 26 are annular, and a conveying pipe 17 for conveying the cylindrical fixing nails 32 is communicated between the sleeves 26 and the feeding box 1;

referring to fig. 2 and 3, a driving part 16 for driving the sleeve 26 to ascend and descend is further fixed on the base 7, a plurality of deformation blocks 30 for tightly holding the fixing nails 32 are integrally formed at the bottom of the sleeve 26, the deformation blocks 30 are circumferentially arrayed and fixed on the sleeve 26, an extrusion head 27 is sleeved on the sleeve 26, the extrusion head 27 is annular, an extrusion groove 28 in extrusion fit with the deformation blocks 30 is formed in one side, close to the deformation blocks 30, of the extrusion head 27, the inner diameter of the extrusion groove 28 is gradually reduced along the bottom far away from the extrusion head 27, and the extrusion head 27 abuts against the fixing seat 4 to enable the deformation blocks 30 to move outwards along the radial direction, so that the deformation blocks 30 are opened, and the fixing nails 32 fall onto the fixing seat 4 under the action of gravity; a pressing piece 31 for abutting against the pressing head 27 is fixed on the sleeve 26, and a pressing device for pressing the fixing nail 32 into a workpiece is arranged on the base 7 in a lifting mode in the installation area.

Adopt such design to open through extrusion head 27 butt fixing base 4 placing the district thereby making the shape change piece 30 to drop on fixing base 4 with staple 32, when extrusion head 27 kept away from fixing base 4, make extrusion head 27 hold shape change piece 30 tightly through compressing tightly 31, thereby reach the purpose of once placing a staple 32, thereby reduced manual operation's inconvenience, improved the work efficiency of work piece equipment.

Referring to fig. 4 and 5, two parallel slide rails 8 are bolted on the base 7 along the horizontal direction, the cross section of each slide rail 8 is trapezoidal, the width of each slide rail is gradually increased along the direction away from the base 7, each slide rail 8 is connected with a slide block 6 in a sliding manner, a cylinder rod 18 is installed on the sliding cylinder 19, one end, away from the sliding cylinder 19, of each cylinder rod 18 is fixed on the corresponding slide block 6, two limiting seats 20 are bolted on the base 7, each limiting seat 20 is a rectangular block, the two limiting seats 20 are respectively fixed at two ends of each slide rail 8, two sides, away from each other, of the two limiting seats 20 are both in threaded connection with blocking bolts 40, the blocking bolts 40 penetrate through the corresponding limiting seats 20, and the extending lengths of the blocking bolts 40 are adjusted, so that the moving distance of the slide blocks 6 can be limited, the fixing seats 4 can be parked more accurately, and the stability of the nailing machine is improved; the fixing seat 4 is connected to the sliding block 6 in a lifting mode, the limiting rod 36 is fixed to the bottom of the fixing seat 4 in the vertical direction, the limiting rod 36 is cylindrical, the limiting rod 36 penetrates through the sliding block 6, the abutting spring 37 is sleeved on the limiting rod 36, two ends of the abutting spring 37 abut against two sides, close to each other, of the fixing seat 4 and the sliding block 6 respectively, the bottom of the limiting rod 36 is connected with the limiting bolt 38 through a bolt, and the limiting bolt 38 abuts against the bottom of the sliding block 6; fixing base 4 has run through along vertical direction and has seted up the mounting hole, the mounting hole is the cylinder hole, it is connected with thimble 29 to slide in the mounting hole, bolt fastening has butt seat 5 between slider 6 and the fixing base 4, butt groove 39 has been seted up to 5 upsides of butt seat, butt groove 39 bottoms are fixed with the socket 34 that is used for grafting thimble 29, socket 34 cross-section is the U type, the cover is equipped with reset spring 35 on the thimble 29, still integrated into one piece has spacing ring 33 on the thimble 29, reset spring 35 both ends respectively the butt on spacing ring 33 and socket 34, thereby make thimble 29 can upwards jack-up staple 32, make staple 32 can install more conveniently.

By adopting the design, the sliding cylinder 19 can slide the sliding block 6, so that the sliding fluency of the sliding block 6 is improved; make fixing base 4 have certain elasticity through butt spring 37, can avoid staple 32 and work piece when the equipment, owing to exert oneself too big damage that causes staple 32 and work piece, improve the shaping effect of work piece equipment, improve the convenience that automatic stapling machine used.

Referring to fig. 1 and 3, a gantry 3 is detachably connected to the base 7 on the fixed seat 4, the gantry 3 includes two cylindrical columns 301 bolted to two sides of the slider 6, and rectangular support plates 302 are bolted to the two columns 301; the supporting plate 302 is provided with a mounting hole, the supporting plate 302 is connected with an adjusting seat 11 through a bolt, the adjusting seat 11 is a rectangular plate in a shape of Chinese character hui, the adjusting seat 11 is fixed at the mounting hole, a fixing plate 13 is inserted in the adjusting seat 11, the fixing plate 13 is a rectangular plate, the fixing plate 13 is convenient to lap joint around the mounting hole, an adjusting gap is formed between the outer wall of the fixing plate 13 and the inner wall of the adjusting seat 11, and three locking bolts 10 for abutting against the outer wall of the fixing plate 13 are respectively arranged on four side walls of the adjusting seat 11; a rotating block 14 is rotatably connected in the fixed plate 13 along the vertical direction, the rotating block 14 is T-shaped, the rotating block 14 is inserted in the mounting hole, the upper side of the rotating block 14 and the upper side of the adjusting seat 11 are on the same plane, a driving part 16 is connected to the upper side of the rotating block 14 through a bolt, four fixing bolts 12 are arranged on the periphery of the fixed plate 13 in a threaded fit manner, and the rotating block 14 is extruded through the fixing bolts 12, so that the purpose of fixing the rotating block 14 is achieved; conveyer pipe 17 is transparent hose, and conveyer pipe 17 runs through and adjusts seat 11 and turning block 14 setting, and the cover is equipped with connecting pipe 24 between conveyer pipe 17 and the sleeve pipe 26, and conveyer pipe 17 slides from top to bottom in adjusting seat 11 and turning block 14 to can carry staple 32 better when sleeve pipe 26 goes up and down.

In this way, the horizontal position of the connecting plate 25 is adjusted by the locking bolt 10, and the position of the sleeve 26 is adjusted by the fixing bolt 12, so that the sleeve 26 can be better abutted against the fixed seat 4, and the convenience of assembling the fixing nail 32 with the workpiece is improved.

Referring to fig. 1 and 3, the driving member 16 is a driving cylinder, the bottom of the driving cylinder is connected with a driving rod 15 in a sliding manner along the vertical direction, the bottom of the driving rod 15 is detachably connected with a connecting plate 25, the connecting plate 25 is cylindrical, and the sleeve 26 is fixed on the connecting plate 25; an installation ring groove is formed in the outer wall of the extrusion head 27, the pressing piece 31 is a pressing spring, the pressing spring is sleeved in the installation ring groove and abuts against one side, close to the connecting plate 25, of the extrusion head 27, and the other side of the pressing spring abuts against one side, close to the extrusion head 27, of the connecting plate 25; the bottom of the fixed plate 13 is fixedly welded with a sliding rod 9 along the vertical direction, the sliding rod 9 is cylindrical, and the connecting plate 25 is provided with a sliding hole matched with the sliding rod 9 in a sliding manner along the vertical direction, so that the effect of limiting the rotation of the connecting plate 25 is achieved.

By adopting the design, the sleeve 26 can be better installed and fixed, and the installation and the fixation of a plurality of sleeves 26 are carried out simultaneously, so that the convenience for placing the fixing nails 32 is improved.

Referring to fig. 2, the extrusion device comprises a support seat 22 bolted to the base 7, an extrusion cylinder 23 is bolted to one side of the support seat 22 close to the slide rail 8, an extrusion plate 21 is connected to the bottom of the extrusion cylinder 23 in a lifting manner, and the extrusion plate 21 is cylindrical; when the fixed seat 4 slides to the bottom of the extrusion cylinder 23, the extrusion plate 21 abuts against the fixed seat 4 through the extrusion cylinder 23, thereby completing the assembly of the fixing nail 32 and the workpiece.

The implementation principle of the automatic nailing machine in the embodiment of the application is as follows: during operation, staple 32 sends into in the sleeve pipe 26 through feed box 1, thereby make extrusion head 27 extrusion shape change piece 30 make staple 32 be fixed in the sleeve pipe 26 through compression spring, when extrusion head 27 butt on fixing base 4, shape change piece 30 outwards warp, thereby make staple 32 fall in the mounting hole, rise sleeve pipe 26, press from both sides staple 32 again and tightly, staple 32 upwards jacks up through thimble 29, make a staple 32 put in fixing base 4 upside, under the effect of the cylinder 19 that slides, make fixing base 4 slide to the stripper plate 21 bottom, the staff puts the work piece on fixing base 4, and well-regulated the position, under the effect of extrusion cylinder 23, make stripper plate 21 extrude staple 32 and work piece, thereby accomplish the equipment of work piece and staple 32. By adopting the method, the fixing nail 32 can be better placed on the fixing seat 4, the placing efficiency of the fixing nail 32 can be accelerated, the working strength of workers can be reduced, and the assembling efficiency between the fixing nail 32 and a workpiece can be effectively improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an automatic nailing machine, includes base (7), its characterized in that, sliding connection has fixing base (4) that is used for placing staple (32) and is used for the drive on base (7) the cylinder (19) that slides that fixing base (4) slided, still be provided with on base (7) be used for carrying magazine (1) of staple (32) and with sleeve pipe (26) of magazine (1) intercommunication, still be provided with on base (7) and be used for the drive driving piece (16) that sleeve pipe (26) go up and down, sleeve pipe (26) bottom integrated into one piece has a plurality of deformation pieces (30) that are used for hugging closely staple (32), the cover is equipped with extrusion head (27) on sleeve pipe (26), extrusion head (27) are close to one side of deformation piece (30) seted up with deformation piece (30) extrusion complex extrusion groove (28), extrusion head (27) butt in make on fixing base (4) deformation piece (30) are opened, be provided with on sleeve pipe (26) and be used for the butt extrusion head (27) the pressfitting (31) the extrusion piece (32) is fixed in extrusion device.

2. An automatic nailing machine according to claim 1, wherein: for driving actuating element (16) and driving actuating cylinder, it is provided with actuating lever (15) to drive the lift of actuating cylinder bottom, connecting plate (25) can be dismantled and be connected to actuating lever (15) bottom, sleeve pipe (26) are fixed in on connecting plate (25), compress tightly piece (31) and be pressure spring, the pressure spring both sides respectively the butt in connecting plate (25) with the both sides that extrusion head (27) are close to each other.

3. An automatic nailing machine according to claim 2, wherein: the automatic positioning device is characterized in that a portal frame (3) is arranged on the base (7), a fixing plate (13) used for adjusting the position of the sleeve (26) is fixed on the portal frame (3), a sliding rod (9) is arranged at the bottom of the fixing plate (13) along the lifting direction of the sleeve (26), and a sliding hole matched with the sliding rod (9) in a sliding mode is formed in the connecting plate (25).

4. An automatic nailing machine according to claim 3, wherein: portal frame (3) are gone up to dismantle and are connected with and be used for pegging graft regulation seat (11) of fixed plate (13), adjust seat (11) with be formed with between fixed plate (13) and adjust the space, it is provided with a plurality of locking bolt (38) that are used for the butt to adjust seat (11) outer wall fixed plate (13) outer wall.

5. An automatic nailing machine according to claim 4, wherein: the fixed plate (13) is rotatably connected with a rotating block (14) used for installing and fixing a driving piece (16), and the outer wall of the fixed plate (13) is provided with a plurality of fixing bolts (12) used for tightly abutting against the outer wall of the rotating block (14).

6. An automatic nailing machine according to claim 1, wherein: the base (7) is provided with a sliding rail (8) along the horizontal direction, the sliding rail (8) is connected with a sliding block (6) in a sliding mode, and the sliding cylinder (19) is used for driving the sliding block (6) to slide;

fixing base (4) go up and down set up in on slider (6), fixing base (4) bottom is provided with gag lever post (36) along its direction of rise, gag lever post (36) run through slider (6) set up, the cover is equipped with butt spring (37) on gag lever post (36), butt spring (37) both ends respectively the butt in the both sides that fixing base (4) and slider (6) are close to each other.

7. An automatic nailing machine according to claim 6, wherein: the fixing seat (4) penetrates through a mounting hole along the lifting direction of the fixing seat, a thimble (29) is connected to the mounting hole in a sliding mode, a butting seat (5) is arranged between the sliding block (6) and the fixing seat (4), a butting groove (39) is formed in one side, close to the fixing seat (4), of the butting seat (5), a plug socket (34) is arranged at the bottom of the butting groove (39), and a reset spring (35) used for butting against the thimble (29) is arranged in the plug socket (34).

8. An automatic nailing machine according to claim 1, wherein: the extrusion device comprises an extrusion cylinder (23) detachably connected to the base (7), and an extrusion plate (21) used for pressing the fixing nail (32) into the workpiece is arranged at the bottom of the extrusion cylinder (23) in a lifting mode.

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