Horizontal nailing machine on sawing, milling and drilling automatic line and horizontal nailing method

Abstract

The invention belongs to the technical field of profile machining, and particularly relates to a horizontal nailing machine on a sawing, milling and drilling automatic line and a horizontal nailing method.The horizontal nailing machine comprises a base, a portal frame, a linear conveying mechanism, a jacking mechanism and a nailing machine head, the portal frame is fixedly connected with the base, and a first supporting frame in the linear conveying mechanism stretches across and is clamped to the base; a second supporting frame in the jacking mechanism is fixedly connected with a base, a nailing machine head is arranged above a linear conveying mechanism, a first guide rail is laid on a portal frame, the nailing machine head is movably connected with the portal frame through a sliding block set and a gear and rack pair, and the transmission directions of the linear conveying mechanism, the nailing machine head and the jacking mechanism are perpendicular to one another pairwise. The horizontal nailing machine has the beneficial effects that the jacking mechanism is additionally arranged, and a profile is lifted and horizontally nailed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of profile processing, in particular to a horizontal nailing machine and a horizontal nailing method on a saw-milling-drilling automatic line. BACKGROUND

[0002] The door and window profile processing automatic line is a core equipment combination for realizing efficient and accurate production, mainly including multiple functional units working cooperatively, and its typical composition includes a sawing center, a logistics line, a punching and milling production line and a double-end corner assembling production line. The punching and milling production line cooperates with a punch and a machining center to complete the processing links of drilling, milling and nailing of the profile. However, the existing nailing link is mostly vertical nailing, the profile is fixed on the transmission line, and the nailing head cooperates with XYZ three-axis transmission to vertically nail the profile, which reduces the nailing efficiency. SUMMARY

[0003] The present application is designed to solve the above problems, and a horizontal nailing machine and a horizontal nailing method on a saw-milling-drilling automatic line are provided, which increase the jacking mechanism to lift the profile and perform horizontal nailing.

[0004] To achieve the above purpose, the present application provides a horizontal nailing machine on a saw-milling-drilling automatic line, which comprises a base, a gantry, a linear transmission mechanism, a jacking mechanism and a nailing head, the gantry is fixedly connected to the base, the first support frame of the linear transmission mechanism is transversely connected to the base, the second support frame of the jacking mechanism is fixedly connected to the base, the nailing head is arranged above the linear transmission mechanism, the gantry is provided with a first guide rail, the nailing head is movably connected to the gantry through a sliding block set and a gear and rack pair, and the transmission directions of the linear transmission mechanism, the nailing head and the jacking mechanism are perpendicular to each other.

[0005] Further, the jacking mechanism comprises a second support frame, a first servo motor, a first synchronous belt assembly, a first lead screw, a landing gear and a transverse clamping assembly, the housing of the first servo motor is fixedly connected to the second support frame, and the output shaft indirectly drives the first lead screw through the first synchronous belt assembly, and the first lead screw is cooperatively driven by a first nut seat; the second support frame is provided with a second guide rail, the landing gear is fixedly connected to the first nut seat, and the landing gear is movably connected to the second support frame through a sliding block set and the first nut seat, and the transverse clamping assembly has multiple groups, and the third support frame of the transverse clamping assembly is fixedly connected to the landing gear.

[0006] Further, the transverse clamping assembly comprises a third support frame, a fixed clamping plate, a first air cylinder and a movable clamping plate, the fixed clamping plate is fixedly connected with the third support frame, the first air cylinder is fixedly connected with the third support frame at the cylinder body end and drivingly connected with the movable clamping plate at the piston part, and the movable clamping plate is oppositely arranged with the fixed clamping plate.

[0007] Further, the nailing head comprises a fourth support frame, a first nailing assembly and a second nailing assembly symmetrically arranged with respect to the profile, the fourth support frame is slidingly connected with the first guide rail through the sliding block group; the bottom of the fourth support frame is paved with a third guide rail, the nailing head further comprises a second servo motor, a second synchronous belt assembly, a second screw nut pair, a third servo motor, a third synchronous belt assembly and a third screw nut pair, the second servo motor is fixedly connected with the fourth support frame at the outer shell and indirectly drives the second screw nut pair through the second synchronous belt assembly, the first nailing assembly is fixedly connected with the second nut seat in the second screw nut pair, and the first nailing assembly is slidingly connected with the third guide rail through the sliding block group and the second nut seat; the third servo motor is fixedly connected with the fourth support frame at the outer shell and indirectly drives the third screw nut pair through the third synchronous belt assembly, the second nailing assembly is fixedly connected with the third nut seat in the third screw nut pair, and the second nailing assembly is slidingly connected with the third guide rail through the sliding block group and the third nut seat.

[0008] Further, the first nailing assembly and the second nailing assembly each comprise a first base plate, a second base plate, a first reduction motor, a pneumatic gun conversion head and a batch nozzle, one side of the first base plate is fixedly connected with a sliding block group and the other side is paved with a fourth guide rail, the first base plate is slidingly connected with the third guide rail through the sliding block group, the second base plate is movably connected with the fourth guide rail through the sliding block group and the second air cylinder, the first reduction motor is fixedly connected with the second base plate at the outer shell and drivingly connected with the pneumatic gun conversion head through the shaft coupling, and the batch nozzle is fixedly connected with the pneumatic gun conversion head.

[0009] Further, the nailing head comprises a secondary clamping assembly symmetrically arranged with respect to the profile, the secondary clamping assembly comprises a third base plate, a third air cylinder and a clamping block, the bottom of the fourth support frame is paved with a fifth guide rail, the fifth guide rail is parallel to the third guide rail, the third base plate is slidingly connected with the fifth guide rail through the sliding block group and the third air cylinder, and the clamping block is fixedly connected with the third base plate.

[0010] Further, the nailing head comprises an upper pressing assembly, the fourth support frame is paved with a sixth guide rail, and the upper pressing assembly is movably connected with the sixth guide rail through the sliding block group and the fourth air cylinder.

[0011] Further, the upper pressing assembly comprises a fourth base plate and a mounting plate arranged parallel to the fourth base plate, the fourth base plate is slidingly connected to the sixth guide rail through a sliding block group, the mounting plate is fixedly connected to the fourth base plate through an intermediate plate, and a roller is rotatably arranged between the mounting plate and the fourth base plate.

[0012] Further, the linear conveying mechanism comprises a first support frame, a second speed reducer motor, a transmission shaft and a belt transmission assembly, the second speed reducer motor is drivingly connected to the transmission shaft, and the belt transmission assembly is arranged in parallel on the transmission shaft.

[0013] The application also comprises a horizontal nailing method of the horizontal nailing machine on the saw-milling-drilling automatic line, which comprises the following steps: 1. The nailing head is pre-adjusted to a position on the gantry through a gear and rack pair, then the profile is horizontally conveyed to below the gantry by the linear conveying device, the linear conveying device is stopped after the profile is loaded and detected by a proximity switch in the jacking mechanism; 2. The landing gear in the jacking mechanism is driven by the first servo motor to move upwards until the third support frame contacts the bottom surface of the profile and lifts the profile to a specified machining height, then the movable clamping plate in the transverse clamping assembly is driven by the first cylinder to move horizontally until the fixed clamping plate and the movable clamping plate abut against the side surfaces of the profile respectively; 3. The third base plate in the secondary clamping assembly on both sides of the profile is driven by the third cylinder to move horizontally until the clamping blocks on both sides cooperate with the transverse clamping assembly to abut against the side surfaces of the profile again, then the fourth base plate in the upper pressing assembly is driven by the fourth cylinder to move downwards until the roller presses the top surface of the profile, at this time the profile is fixed; 4. When nailing, the first base plate in the first nailing assembly is driven by the second servo motor to move right, the first base plate in the second nailing assembly is driven by the third servo motor to move left until the nozzles abut against the side surfaces of the profile respectively, then the first base plate is stopped, the first speed reducer motor is started, the nozzles rotate synchronously with the output shaft of the first speed reducer motor, and the second cylinder is started, the second base plate and the first speed reducer motor move horizontally with the piston part of the second cylinder, at this time the profile is horizontally nailed.

[0014] In summary, the application has the following advantages and beneficial technical effects: 1. The jacking mechanism in the application undertakes the Z-direction lifting task of the profile, on the one hand, it avoids the nailing head from undertaking multi-dimensional motion load, compared with the prior art, the nailing head in the application only needs to move on the horizontal plane based on the gantry, which simplifies the motion trajectory, reduces the cumulative error caused by multi-dimensional composite motion, and further improves the nailing quality; on the other hand, the jacking mechanism lifts the profile to a specified height for operation, which effectively reduces the pollution of the linear conveying mechanism in the profile machining process, and further improves the reliability of the linear conveying mechanism.

[0015] 2. The transverse clamping assembly in the application cooperates with the pressing assembly to realize the all-around fixing of the profile, and the secondary clamping assembly realizes the reinforcement of the nailing position of the profile, avoids the micro displacement of the profile due to the nailing stress, ensures the fixing of the position of the profile, and further improves the processing quality.

[0016] 3. The first nailing assembly and the second nailing assembly about the symmetrical profile in the application adopt the design of double stations driven at the same time, process different side edges of the profile, and improve the nailing efficiency. The plurality of nailing heads facilitate the simultaneous processing of a plurality of positions of the profile, and improve the overall nailing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description, taken in conjunction with the following drawings in which: Figure 1 is a perspective view of the present application Figure 1 ; Figure 2 is a perspective view of the present application Figure 2 ; Figure 3 is a plan view of the present application Figure 4 is a perspective view of the linear transmission mechanism in the present application Figure 5 is a front view of the linear transmission mechanism in the present application Figure 6 is a perspective view of the first support frame in the present application Figure 7 is a transmission schematic view of the belt transmission assembly in the present application Figure 8 is a mounting schematic view of the jacking mechanism in the present application Figure 9 is a perspective view of the jacking mechanism in the present application Figure 1 ; Figure 10 is a perspective view of the jacking mechanism in the present application Figure 2 (without synchronous belt) Figure 11 is a mounting perspective view of the landing gear in the present application Figure 12 is a plan view of the mounting of the landing gear in the present application Figure 13 is a perspective view of the transverse clamping assembly in the present application Figure 14 is a partial structure schematic view of the transverse clamping assembly in the present application Figure 15 is a perspective view of the nailing head in the present applicationFigure 1 ; Figure 16 is the perspective view of the nailer head in the present application Figure 2 ; Figure 17 is the plan view of the nailer head in the present application Figure 18 is the plan view of the fourth support frame in the present application Figure 19 is the perspective view of the first nail assembly in the present application Figure 20 is the perspective view of the second clamping assembly assembled with the first nail assembly in the present application Figure 1 ; Figure 21 is the perspective view of the second clamping assembly assembled with the first nail assembly in the present application Figure 2 ; Figure 22 is the perspective view of the upper pressing assembly in the present application Figure 1 ; Figure 23 is the perspective view of the upper pressing assembly in the present application Figure 2 .

[0018] The reference signs in the drawings are as follows: 1, base; 2, gantry; 21, first guide rail; 22, gear; 3, linear transmission mechanism; 31, first support frame; 32, second reduction motor; 33, force transmission shaft; 34, belt transmission assembly; 4, jacking mechanism; 41, second support frame; 411, second guide rail; 42, first servo motor; 43, first synchronous belt assembly; 44, first lead screw; 45, first nut seat; 46, landing gear; 47, transverse clamping assembly; 471, third support frame; 472, fixed clamping plate; 473, first air cylinder; 474, movable clamping plate; 5, nailer head; 51, fourth support frame; 511, third guide rail; 512, second lead screw nut pair; 5121, second nut seat; 513, third lead screw nut pair; 514, fifth guide rail; 515, sixth guide rail; 52, first nail assembly; 521, first base plate; 5211, fourth guide rail; 522, second air cylinder; 523, second base plate; 524, first reduction motor; 525, air rifle conversion head; 526, nozzle; 53, second nail assembly; 54, second servo motor; 55, second synchronous belt assembly; 56, third servo motor; 57, third synchronous belt assembly; 58, secondary clamping assembly; 581, third base plate; 582, third air cylinder; 583, clamping block; 59, upper pressing assembly; 591, fourth air cylinder; 592, fourth base plate; 593, mounting plate; 594, intermediate plate; 595, roller; 6, profiled material. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of the embodiments of this invention will be described in more detail below with reference to the accompanying drawings. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout; the described embodiments are some embodiments of this invention, but not all embodiments; the embodiments and directional terms described below with reference to the accompanying drawings are exemplary and intended to explain this invention, and should not be construed as limiting this invention; all other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention. The embodiments of this invention will be described in detail below with reference to the accompanying drawings: The following is in conjunction with the appendix Figures 1-23 The present invention will be further described in detail below: Example 1 like Figures 1-3 as well as Figure 16 As shown, this embodiment discloses an automatic horizontal nailing machine on a sawing, milling, and drilling line, including a base 1, a gantry frame 2, a linear transmission mechanism 3, a lifting mechanism 4, and nailing heads 5. The gantry frame 2 is welded and fixed above the base 1. The first support frame 31 of the linear transmission mechanism 3 spans across and engages with the base 1. The second support frame 41 of the lifting mechanism 4 is welded and fixed above the base 1. In this embodiment, two sets of nailing heads 5 are arranged above the linear transmission mechanism 3. The gantry frame 2 is covered with a first... Guide rail 21, the first guide rail 21 is a double rail, the nailing head 5 is movably connected to the gantry frame 2 through the slider group and the gear 22 rack pair. The gear 22 rack pair includes a motor, helical gear 22 and rack. The rack is laid on the gantry frame 2. The outer casing of the motor is fixedly connected to the nailing head 5. The output shaft drives the gear 22. The gear 22 meshes with the rack. The linear transmission mechanism 3 drives the profile 6 to move along the X axis. The nailing head 5 moves along the Y axis. The lifting mechanism 4 drives the profile 6 to move along the Z axis.

[0020] like Figures 8-12As shown, the jacking mechanism 4 comprises a second support frame 41, a first servo motor 42, a first synchronous belt assembly 43, a first lead screw 44, a landing gear 46 and a transverse clamping assembly 47. The housing of the first servo motor 42 is fixed to the second support frame 41 by a connecting plate, the output shaft indirectly drives the first lead screw 44 through the first synchronous belt assembly 43, the two ends of the first lead screw 44 are rotatably connected to the second support frame 41 through bearing seats, and the first lead screw 44 is cooperatively driven by a first nut seat 45. The second support frame 41 is provided with a second guide rail 411, which is a double rail. The landing gear 46 is welded to the first nut seat 45, and the landing gear 46 is movably connected to the second support frame 41 through a slider group and the first nut seat 45. The transverse clamping assembly 47 has multiple groups, and a third support frame 471 in the transverse clamping assembly 47 is welded above the landing gear 46. The first synchronous belt assembly 43 comprises a first driving wheel, a first driven wheel and a synchronous belt. The output shaft of the first servo motor 42 is drivingly connected to the first driving wheel. The first lead screw 44 is sleeved in the center hole of the first driven wheel. The synchronous belt is hung between the first driving wheel and the first driven wheel.

[0021] As shown in Figures 13-14 The transverse clamping assembly 47 comprises a third support frame 471, a fixed clamping plate 472, a first cylinder 473 and a movable clamping plate 474. The fixed clamping plate 472 is welded in the third support frame 471, and protrudes from the top surface of the third support frame 471. The cylinder body end of the first cylinder 473 is welded in the third support frame 471 through a connecting plate, and the piston part is drivingly connected to the movable clamping plate 474 through a floating joint. The movable clamping plate 474 is oppositely arranged with the fixed clamping plate 472.

[0022] As shown in Figures 15-18As shown, the nailing machine head 5 includes a fourth support frame 51, and a first nailing assembly 52 and a second nailing assembly 53 symmetrically arranged with respect to the profile 6, the fourth support frame 51 is slidingly connected to the first guide rail 21 through a sliding block group; the bottom of the fourth support frame 51 is paved with a third guide rail 511, the third guide rail 511 is a split single rail, the nailing machine head 5 further includes a second servo motor 54, a second synchronous belt assembly 55, a second screw nut pair 512, a third servo motor 56, a third synchronous belt assembly 57 and a third screw nut pair 513, the second servo motor 54 is welded on the top of the fourth support frame 51, the output shaft indirectly drives the second screw nut pair 512 through the second synchronous belt assembly 55, the first nailing assembly 52 is fixedly connected to a second nut seat 5121 in the second screw nut pair 512, and the first nailing assembly 52 is slidingly connected to the third guide rail 511 through the sliding block group and the second nut seat 5121; the third servo motor 56 is welded on the top of the fourth support frame 51, the output shaft indirectly drives the third screw nut pair 513 through the third synchronous belt assembly 57, the second nailing assembly 53 is fixedly connected to a third nut seat in the third screw nut pair 513, and the second nailing assembly 53 is slidingly connected to the third guide rail 511 through the sliding block group and the third nut seat. In this embodiment, the driving principle of the first nailing assembly 52 by the second servo motor 54 and the second nailing assembly 53 by the third servo motor 56 is the same as that of the landing gear 46 by the first servo motor 42, which will not be described here.

[0023] As shown in Figure 19 , the first nailing assembly 52 and the second nailing assembly 53 each include a first base plate 521, a second base plate 523, a first reduction motor 524, a pneumatic gun conversion head 525 and a batch nozzle 526, the first base plate 521 has a sliding block group welded on the top surface and a fourth guide rail 5211 paved on the bottom surface, the first base plate 521 is slidingly connected to the third guide rail 511 through the sliding block group, the second base plate 523 is movably connected to the fourth guide rail 5211 through the sliding block group and a second air cylinder 522, the first reduction motor 524 has a housing welded below the second base plate 523, the output shaft is drivingly connected to the pneumatic gun conversion head 525 through a shaft coupling, and the batch nozzle 526 is sleeved in the pneumatic gun conversion head 525. The guide nozzle, the nail channel and the nail box matched with the batch nozzle 526 are prior art, and will not be described here.

[0024] As shown in Figures 20-21 , the nailing machine head 5 includes a secondary clamping assembly 58 symmetrically arranged with respect to the profile 6, the secondary clamping assembly 58 includes a third base plate 581, a third air cylinder 582 and a clamping block 583, the bottom of the fourth support frame 51 is paved with a fifth guide rail 514 parallel to the third guide rail 511, the fifth guide rail 514 is a double rail, the third base plate 581 is slidingly connected to the fifth guide rail 514 through the sliding block group and the third air cylinder 582, and the clamping block 583 is welded on the side surface of the third base plate 581.

[0025] As shown in Figures 22-23 The nailer head 5 includes an upper pressing assembly 59 close to the second nailing assembly 53, the fourth support frame 51 is paved with a sixth guide rail 515, the sixth guide rail 515 is double-rail, and the upper pressing assembly 59 is movably connected to the sixth guide rail 515 through a sliding block group and a fourth cylinder 591. The upper pressing assembly 59 includes a fourth base plate 592 and a mounting plate 593 arranged parallel to the fourth base plate 592, the fourth base plate 592 is slidably connected to the sixth guide rail 515 through a sliding block group, the mounting plate 593 is welded to the fourth base plate 592 through an intermediate plate 594, and a plurality of rollers 595 are rotatably installed between the mounting plate 593 and the fourth base plate 592.

[0026] As shown in Figures 4-7 The linear transmission mechanism 3 includes a first support frame 31, a second speed reducer motor 32, a transmission shaft 33 and a belt transmission assembly 34, the second speed reducer motor 32 is drivingly connected to the transmission shaft 33, and a plurality of belt transmission assemblies 34 are arranged in parallel on the transmission shaft 33. The belt transmission assembly 34 is arranged in the gap of the transverse clamping assembly 47, and the belt transmission assembly 34 includes a second driving wheel, a second driven wheel, a belt and a tensioning wheel, the second driving wheel is sleeved on the transmission shaft 33, the second driven wheel is rotatably connected to the first support frame 31 through a bearing seat, the belt is hung between the second driving wheel and the second driven wheel, and the tensioning wheel is installed on the first support frame 31 through a bearing seat and a connecting plate and contacts the inner ring of the belt.

[0027] Embodiment two The horizontal nailing method of the horizontal nailing machine on the saw-milling-drilling automatic line is as follows: Step one: the nailer head 5 is pre-adjusted to the position on the gantry 2 through the gear 22 and the rack pair, and then the profile 6 to be processed is conveyed to below the gantry 2 by the linear transmission mechanism 3, the proximity switch in the jacking mechanism 4 detects the profile 6 loading, the power supply of the second speed reducer motor 32 is cut off, the linear transmission mechanism 3 is stopped, and the length direction of the profile 6 is parallel to the Y axis; Step two: the landing gear 46 in the jacking mechanism 4 is driven by the first servo motor 42 to move upward along the Z axis until the top surface of the third support frame 471 contacts the bottom surface of the profile 6 and lifts the profile 6 to the specified machining height, and then the movable clamping plate 474 in the transverse clamping assembly 47 is driven by the first cylinder 473 to move along the X axis until the fixed clamping plate 472 and the movable clamping plate 474 abut the side surfaces of the profile 6, respectively. Step three, the third base plate 581 of the secondary clamping assembly 58 on both sides of the profile 6 is driven by the third cylinder 582 to move along the X axis until the clamping blocks 583 on both sides cooperate with the transverse clamping assembly 47, and the side surface of the profile 6 is secondly abutted, then the fourth base plate 592 of the upper pressing assembly 59 is driven by the fourth cylinder 591 to move downward along the Z axis until the roller 595 presses the top surface of the profile 6, at this time the fixing of the profile 6 is completed; Step four, when nailing, the first base plate 521 of the first nailing assembly 52 is driven by the second servo motor 54 to move right along the X axis, the first base plate 521 of the second nailing assembly 53 is driven by the third servo motor 56 to move left along the X axis until the nozzles 526 respectively contact the two side surfaces of the profile 6, then the first base plate 521 is stationary, the first speed reducer 524 is started, the nozzles 526 rotate synchronously with the output shaft of the first speed reducer 524, at the same time the second cylinder 522 is started, the second base plate 523 and the first speed reducer 524 move horizontally with the piston part of the second cylinder 522, at this time the horizontal nailing of the profile 6 is completed.

[0028] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit it. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A horizontal nailing machine on a saw-milling-drilling automatic line, characterized in that: The device comprises a base, a portal frame, a linear transmission mechanism, a jacking mechanism and a nailing head, the portal frame is fixedly connected with the base, the first support frame of the linear transmission mechanism is transversely connected with the base, the second support frame of the jacking mechanism is fixedly connected with the base, the nailing head is arranged above the linear transmission mechanism, the portal frame is provided with a first guide rail, the nailing head is movably connected with the portal frame through a sliding block set and a gear and rack pair, and the transmission directions of the linear transmission mechanism, the nailing head and the jacking mechanism are perpendicular to each other.

2. A horizontal nailing machine for use in a saw-milling-drilling automatic line according to claim 1, characterized in that: The jacking mechanism comprises a second support frame, a first servo motor, a first synchronous belt assembly, a first screw, a landing gear and a transverse clamping assembly, the housing of the first servo motor is fixedly connected with the second support frame, and the output shaft of the first servo motor indirectly drives the first screw through the first synchronous belt assembly, and the first screw is connected with a first nut seat; the second support frame is provided with a second guide rail, the landing gear is fixedly connected with the first nut seat, and the landing gear is movably connected with the second support frame through a sliding block set and the first nut seat, and the transverse clamping assembly comprises a plurality of third support frames, and the third support frames are fixedly connected with the landing gear.

3. A horizontal nailing machine for use in a saw-milling-drilling automatic line according to claim 2, characterized in that: The transverse clamping assembly comprises a third support frame, a fixed clamping plate, a first air cylinder and a movable clamping plate, the fixed clamping plate is fixedly connected with the third support frame, the cylinder body end of the first air cylinder is fixedly connected with the third support frame, and the piston part of the first air cylinder is drivingly connected with the movable clamping plate, and the movable clamping plate is arranged opposite to the fixed clamping plate.

4. A horizontal nailing machine for use in a saw-milling-drilling automatic line according to claim 3, characterized in that: The nailing head comprises a fourth support frame, a first nailing assembly and a second nailing assembly which are symmetrically arranged with respect to the profile, the fourth support frame is movably connected with the first guide rail through a sliding block set; the fourth support frame is provided with a third guide rail at the bottom, and the nailing head further comprises a second servo motor, a second synchronous belt assembly, a second screw nut pair, a third servo motor, a third synchronous belt assembly and a third screw nut pair, the housing of the second servo motor is fixedly connected with the fourth support frame, the output shaft of the second servo motor indirectly drives the second screw nut pair through the second synchronous belt assembly, the first nailing assembly is fixedly connected with a second nut seat of the second screw nut pair, and the first nailing assembly is movably connected with the third guide rail through a sliding block set and the second nut seat; the housing of the third servo motor is fixedly connected with the fourth support frame, the output shaft of the third servo motor indirectly drives the third screw nut pair through the third synchronous belt assembly, the second nailing assembly is fixedly connected with a third nut seat of the third screw nut pair, and the second nailing assembly is movably connected with the third guide rail through a sliding block set and the third nut seat.

5. A horizontal nailing machine for use in a saw-milling-drilling automatic line according to claim 4, characterized in that: The first and second nailing assemblies each comprise a first base plate, a second base plate, a first speed reducer, a pneumatic gun conversion head and a batch nozzle, one side of the first base plate is fixedly connected with a sliding block set and the other side is paved with a fourth guide rail, the first base plate is slidingly connected with the third guide rail through the sliding block set, the second base plate is movably connected with the fourth guide rail through the sliding block set and a second air cylinder, the first speed reducer is fixedly connected with the second base plate and the output shaft is drivingly connected with the pneumatic gun conversion head through a shaft coupling, and the batch nozzle is fixedly connected with the pneumatic gun conversion head.

6. A horizontal nailing machine for use in a saw-milling-drilling automatic line according to claim 5, characterized in that: The nailing machine head comprises two secondary clamping assemblies symmetrically arranged relative to the profile, each secondary clamping assembly comprises a third base plate, a third air cylinder and a clamping block, the fourth support frame is paved with a fifth guide rail parallel to the third guide rail, the third base plate is slidingly connected with the fifth guide rail through the sliding block set and the third air cylinder, and the clamping block is fixedly connected with the third base plate.

7. A horizontal nailing machine for use in a saw-milling-drilling automatic line according to claim 6, characterized in that: The nailing machine head comprises an upper pressing assembly, the fourth support frame is paved with a sixth guide rail, and the upper pressing assembly is movably connected with the sixth guide rail through the sliding block set and a fourth air cylinder.

8. A horizontal nailing machine for use in a saw-milling-drilling automatic line according to claim 7, characterized in that: The upper pressing assembly comprises a fourth base plate and a mounting plate parallel to the fourth base plate, the fourth base plate is slidingly connected with the sixth guide rail through the sliding block set, the mounting plate is fixedly connected with the fourth base plate through an intermediate plate, and a roller is rotatably mounted between the mounting plate and the fourth base plate.

9. A horizontal nailing machine for use in a saw-milling-drilling automatic line according to claim 1, characterized in that: The linear conveying mechanism comprises a first support frame, a second speed reducer, a transmission shaft and a belt drive assembly, the second speed reducer is drivingly connected with the transmission shaft, and the belt drive assembly has multiple groups and is arranged in parallel on the transmission shaft.

10. A horizontal nailing method for a horizontal nailing machine on a saw-milling-drilling automatic line, characterized in that: The horizontal nailing step of the horizontal nailing machine on the saw-milling-drilling automatic line is as follows: Step one: the nailing machine head is pre-adjusted to a position on the gantry through a gear and a rack, then a profile to be machined is horizontally conveyed to below the gantry by the linear conveying device, and the linear conveying device is stopped after the profile is detected by a proximity switch in the jacking mechanism; Step two: the landing gear in the jacking mechanism is driven by the first servo motor to move upward until the third support frame contacts the bottom surface of the profile and lifts the profile to a specified machining height, then the movable clamping plate in the transverse clamping assembly is driven by the first air cylinder to move horizontally until the fixed clamping plate and the movable clamping plate abut against the side surfaces of the profile; Step three: the third base plate in the secondary clamping assembly on both sides of the profile is driven by the third air cylinder to move horizontally until the clamping blocks on both sides cooperate with the transverse clamping assembly to abut against the side surfaces of the profile again, then the fourth base plate in the upper pressing assembly is driven by the fourth air cylinder to move downward until the roller presses the top surface of the profile, and the profile is fixed at this time; Step four, when nailing, the first base plate in the first nailing assembly is driven by the second servo motor to move right, the first base plate in the second nailing assembly is driven by the third servo motor to move left, until the dies contact the two side surfaces of the profile respectively, then the first base plate stops, the first reduction motor is started, the dies rotate synchronously with the output shaft of the first reduction motor, at the same time the second cylinder is started, the second base plate and the first reduction motor move horizontally with the piston part of the second cylinder, at this time the horizontal nailing of the profile is completed.

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