Automatic saw cutting device and saw cutting method for long metal bar

Abstract

The invention provides an automatic saw cutting device and method for a long metal rod, and belongs to the technical field of saw cutting of long metal rods. The automatic saw cutting device for the long metal bars comprises a machine tool and feeding rollers, the feeding rollers are symmetrically and rotationally installed on the surface of the machine tool, a saw cutting mechanism is installed on the surface of the machine tool and comprises a sliding plate, a first installation base, a movable base and a support, the sliding plate is slidably installed on the surface of the machine tool, and a first motor is fixedly installed on the surface of the sliding plate; a saw blade is fixedly installed at the output end of the first motor. A saw cutting mechanism is arranged, a second electric telescopic rod drives a moving seat to move in the direction of a metal long bar, a positioning roller extrudes the metal long bar and clamps and fixes the metal long bar, and when the second electric telescopic rod drives the moving seat to move in the direction of the metal long bar, a second supporting arm and a wedge-shaped block are driven to move synchronously; therefore, the wedge-shaped block drives the driving block to move upwards, the abutting block is driven to abut against the bottom of the long metal rod, longitudinal supporting is provided for the long metal rod, and the sawing stability is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of metal long bar sawing, and in particular, to an automatic metal long bar sawing device and a sawing method. Background Art

[0002] A metal long bar refers to a long strip-shaped metal material, usually with a circular cross-section, which is widely used in the manufacturing industry, especially in industries such as machinery, construction, aviation, and automobiles, as components, structural parts, or raw materials. After being processed by turning, milling, drilling, etc., it is often used to manufacture various mechanical parts, shafts, threaded components, etc. In construction and structural engineering, metal long bars can be used as important components such as support columns, beams, and frames. In the automotive and aerospace industries, metal long bars are often used to manufacture high-strength shafts, bolts, support parts, etc. During the processing, it may be necessary to saw a large-sized metal bar into smaller parts for the next turning, milling, or other processing techniques.

[0003] When the existing metal long bar sawing device saws a metal long bar, generally, a fixture is used to clamp and fix the metal long bar, and the metal long bar is sawed by the displacement of the saw blade. During this process, the part to be sawed is usually suspended. As the saw blade penetrates into the metal bar, under the action of gravity, the suspended metal bar has a tendency to fall, which may affect the flatness of the cut. Summary of the Invention

[0004] To make up for the above deficiencies, the present invention provides an automatic metal long bar sawing device and a sawing method that overcome the above technical problems or at least partially solve the above problems.

[0005] The present invention is implemented as follows:

[0006] The present invention provides an automatic metal long bar sawing device, including a machine tool and a feeding roller. The feeding roller is symmetrically and rotatably installed on the surface of the machine tool for conveying the metal long bar. A sawing mechanism is installed on the surface of the machine tool. The sawing mechanism includes:

[0007] A sliding plate, which is slidably installed on the surface of the machine tool. A first motor is fixedly installed on the surface of the sliding plate, and a saw blade is fixedly installed at the output end of the first motor for cutting the metal long bar;

[0008] A first mounting seat, which is fixedly installed on the surface of the machine tool. Two abutting rollers are symmetrically and rotatably installed in the inner cavity of the first mounting seat;

[0009] A moving seat, which is slidably installed on the surface of the machine tool. A second mounting seat is slidably installed in the inner cavity of the moving seat. Two positioning rollers are symmetrically and rotatably installed in the inner cavity of the second mounting seat for positioning the metal long bar;

[0010] A bracket, the bracket is fixedly installed on the surface of the machine tool, and a receiving seat is fixedly installed on the surface of the bracket for supporting the extended end of the metal long rod.

[0011] In a preferred solution, a first electric telescopic rod is fixedly installed on the side wall of the machine tool. The telescopic end of the first electric telescopic rod is fixedly connected to the sliding plate for driving the sliding plate to slide on the surface of the machine tool. A second electric telescopic rod is fixedly installed on the surface of the machine tool. The telescopic end of the second electric telescopic rod is fixedly connected to the moving seat for driving the moving seat to slide on the surface of the machine tool.

[0012] In a preferred solution, a first arm is slidably installed on the surface of the machine tool. One end of the first arm is fixedly installed with an abutting block for longitudinally supporting the metal long rod. A plurality of balls are rotatably installed on the surface of the abutting block. The other end of the first arm is fixedly installed with a driving block. The driving block is wedge-shaped. A first spring is sleeved on the surface of the first arm. One end of the first spring is fixedly connected to the machine tool, and the other end of the first spring is fixedly connected to the driving block for driving the driving block to move downward. A second arm is fixedly installed at the bottom of the moving seat. A wedge-shaped block is fixedly installed on the side wall of the second arm for driving the driving block to move upward.

[0013] In a preferred solution, a first lead screw is rotatably installed in the inner cavity of the moving seat. A first threaded block is fixedly installed on the side wall of the second mounting seat. The first lead screw is threadedly connected to the first threaded block. One end of the first lead screw is fixedly installed with a first gear. A first toothed plate is fixedly installed on the surface of the machine tool. The first gear meshes with the first toothed plate.

[0014] In a preferred solution, a first turntable is rotatably installed in the inner cavity of the receiving seat. Slide rods are symmetrically and fixedly installed on the surface of the first turntable. A second turntable is slidably installed on the surface of the slide rods. An electromagnet is fixedly installed on the surface of the second turntable for adsorbing and fixing the metal long rod.

[0015] In a preferred solution, a second spring is fixedly installed between the first turntable and the second turntable for driving the second turntable to move away from the first turntable. A first contact and a second contact are respectively fixedly installed on the surfaces of the first turntable and the second turntable for controlling the power supply of the electromagnet. A second motor is fixedly installed on the side wall of the receiving seat. The output end of the second motor is fixedly connected to the first turntable for driving the first turntable to rotate.

[0016] In a preferred solution, a blanking mechanism is installed on the surface of the machine tool. The blanking mechanism includes a blanking groove, a receiving plate and a rotating shaft. The blanking groove is opened on the surface of the machine tool. A receiving plate is rotatably installed in the blanking groove for carrying the sawn metal rod. A rotating shaft is fixedly installed on the side wall of the receiving plate. The receiving plate is rotatably connected to the machine tool through the rotating shaft.

[0017] In a preferred solution, a slag collecting groove is provided on the surface of the machine tool for collecting sawing debris, a push plate is slidably installed in the inner cavity of the slag collecting groove for pushing out the debris, a driving plate is fixedly installed on the side wall of the push plate, a second threaded block is fixedly installed in the inner cavity of the driving plate, a second screw rod is rotatably installed in the inner cavity of the machine tool, the second screw rod is threadedly connected to the second threaded block, a second gear is fixedly installed at one end of the rotating shaft, a third gear is fixedly installed at one end of the second screw rod, and the second gear is meshed with the third gear.

[0018] In a preferred solution, an air groove is provided in the inner cavity of the machine tool, a piston is slidably installed in the air groove, a third spring is fixedly installed in the air groove, one end of the third spring is fixedly connected to the piston, and the other end of the third spring is fixedly connected to the machine tool, and is used to drive the piston to move upward, a second tooth plate is fixedly installed on the surface of the piston, the second tooth plate is meshed with the second gear, a plurality of spray holes are provided on the side wall of the slag collecting tank, and an air pipe is connected between the spray hole and the air groove.

[0019] A method for automatically sawing a long metal bar, applicable to the above-mentioned automatic sawing device for sawing a long metal bar, comprises the following steps:

[0020] S1: clamping; placing the long metal bar to be sawed on the surface of the feeding roller, and pushing one end of the long metal bar forward to abut against the side wall of the receiving seat, and driving the movable seat to move in the direction of the long metal bar by the second electric telescopic rod, fixing the long metal bar between the positioning roller and the abutting roller, and when the second electric telescopic rod drives the movable seat to move in the direction of the long metal bar, the second arm and the wedge block are driven to move synchronously, thereby driving the driving block to move upward through the wedge block, driving the abutting block to abut against the bottom of the long metal bar, providing longitudinal support for the long metal bar;

[0021] S2: support; when the second electric telescopic rod drives the moving seat to move in the direction of the metal long rod, the first gear meshes with the first tooth plate, drives the second mounting seat to move in the direction of the saw blade, and when the positioning roller contacts the metal long rod, pushes the metal long rod to move forward synchronously, so that one end of the metal long rod squeezes the electromagnet, so that the first contact and the second contact are closed, and the electromagnet can adsorb and fix one end of the metal long rod, and then the second motor drives the second turntable and the metal long rod to rotate simultaneously, so that the metal long rod can actively rotate during the sawing process of the metal long rod;

[0022] S3: unloading; when the sawed metal rod falls onto the surface of the receiving plate, the receiving plate is driven to flip downward, thereby driving the second gear to rotate, driving the second screw to rotate, driving the push plate to move in the slag collecting groove, and pushing the debris in the slag collecting groove; and when the second gear rotates, the second tooth plate is driven to move downward synchronously, and the air in the air groove is injected into the spray hole through the air pipe and sprayed onto the surface of the saw blade.

[0023] An automatic sawing device and sawing method for metal long bars provided by the present invention have the following beneficial effects:

[0024] 1. By setting up a sawing mechanism, the second electric telescopic rod can drive the moving seat to move towards the metal long bar, and the positioning roller can extrude the metal long bar to clamp and fix the metal long bar. When the second electric telescopic rod drives the moving seat to move towards the metal long bar, it drives the second arm and the wedge block to move synchronously, so as to drive the driving block to move upward through the wedge block, and drive the abutting block to abut against the bottom of the metal long bar to provide longitudinal support for the metal long bar and ensure the stability of sawing.

[0025] 2. By setting up a receiving seat, when the second electric telescopic rod drives the moving seat to move towards the metal long bar, it drives the first lead screw to rotate, drives the second mounting seat to move towards the saw blade, and when the positioning roller contacts the metal long bar, it pushes the metal long bar to move forward synchronously, so that one end of the metal long bar extrudes the electromagnet, closes the first contact and the second contact, energizes the electromagnet, and the electromagnet can adsorb and fix one end of the metal long bar. Subsequently, the second motor drives the second turntable and the metal long bar to rotate, so that during the sawing process of the metal long bar, the metal long bar can actively rotate to change the cutting contact angle, avoid excessive local concentrated cutting force, and reduce the risk of tool damage.

[0026] 3. By setting up a blanking mechanism, when the sawn metal bar falls onto the surface of the receiving plate, under the action of its gravity, it drives the receiving plate to turn downward, drives the third gear and the second lead screw to rotate, so as to drive the push plate to move in the slag collecting groove and push the debris in the slag collecting groove for convenient cleaning; when the second gear rotates, it drives the second rack to move downward synchronously, thereby driving the piston to move downward, injecting the air in the air groove into the spray holes through the air pipe and spraying it onto the surface of the saw blade. While cleaning the debris on its surface, it can also dissipate heat from it and reduce the wear of the saw blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, so they should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings;

[0028] Figure 1 is the front perspective view provided by the embodiment of the present invention;

[0029] Figure 2 is the top view provided by the embodiment of the present invention;

[0030] Figure 3 is the rear perspective view provided by the embodiment of the present invention;

[0031] Figure 4 Front elevation stereogram provided by an embodiment of the present invention;

[0032] Figure 5 Front elevation sectional view provided by an embodiment of the present invention;

[0033] Figure 6 Stereogram of the moving seat provided by an embodiment of the present invention;

[0034] Figure 7 Cross-sectional view of the receiving seat provided by an embodiment of the present invention;

[0035] Figure 8 Machine tool sectional view provided by an embodiment of the present invention;

[0036] Figure 9 Provided by an embodiment of the present invention Figure 8 Enlarged view at position A in

[0037] In the figure: 1, machine tool; 2, feeding roller; 3, sawing mechanism; 301, sliding plate; 302, first motor; 303, saw blade; 304, first electric telescopic rod; 305, first mounting seat; 306, abutting roller; 307, moving seat; 308, second electric telescopic rod; 309, second mounting seat; 310, positioning roller; 311, first arm; 312, abutting block; 313, driving block; 314, first spring; 315, second arm; 316, wedge block; 317, first lead screw; 318, first threaded block; 319, first gear; 320, first toothed plate; 321, bracket; 322, receiving seat; 323, first turntable; 324, sliding rod; 325, second turntable; 326, electromagnet; 327, second spring; 328, first contact; 329, second contact; 330, second motor; 4, blanking mechanism; 401, blanking chute; 402, receiving plate; 403, rotating shaft; 404, pushing plate; 405, driving plate; 406, second threaded block; 407, second lead screw; 408, second gear; 409, third gear; 410, air groove; 411, piston; 412, third spring; 413, second toothed plate; 414, spray hole; 415, slag collection tank. Detailed implementation manners

[0038] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without any creative effort fall within the scope of protection of the present invention.

[0039] Referring to Figures 1 - 9 As shown, the present invention provides a technical solution: an automatic sawing device for metal long bars, including a machine tool 1 and a feeding roller 2. The feeding roller 2 is symmetrically and rotatably installed on the surface of the machine tool 1 for conveying the metal long bars. A sawing mechanism 3 is installed on the surface of the machine tool 1 for sawing the metal bars. The sawing mechanism 3 includes a slide plate 301, a first mounting seat 305, a moving seat 307 and a bracket 321. The slide plate 301 is slidably installed on the surface of the machine tool 1. A first motor 302 is fixedly installed on the surface of the slide plate 301. The output end of the first motor 302 is fixedly installed with a saw blade 303 for cutting the metal long bars. A first electric telescopic rod 304 is fixedly installed on the side wall of the machine tool 1. The telescopic end of the first electric telescopic rod 304 is fixedly connected to the slide plate 301 for driving the slide plate 301 to slide on the surface of the machine tool 1. By driving the saw blade 303 to rotate with the first motor 302 and driving the slide plate 301 to move towards the metal long bar with the first electric telescopic rod 304, the metal long bar can be sawed.

[0040] Referring to Figures 1 - 6 As shown, in a preferred embodiment, the first mounting seat 305 is fixedly installed on the surface of the machine tool 1. Two abutting rollers 306 are symmetrically and rotatably installed in the inner cavity of the first mounting seat 305 for abutting against the metal long bars. The moving seat 307 is slidably installed on the surface of the machine tool 1. A second electric telescopic rod 308 is fixedly installed on the surface of the machine tool 1. The telescopic end of the second electric telescopic rod 308 is fixedly connected to the moving seat 307 for driving the moving seat 307 to slide on the surface of the machine tool 1. A second mounting seat 309 is slidably installed in the inner cavity of the moving seat 307. Two positioning rollers 310 are symmetrically and rotatably installed in the inner cavity of the second mounting seat 309, and an anti-slip coating is applied on the surface of the positioning rollers 310 for positioning the metal long bars. By the second electric telescopic rod 308, the moving seat 307 can be driven to move towards the metal long bar, and the metal long bar can be squeezed by the positioning rollers 310 to fix the metal long bar between the positioning rollers 310 and the abutting rollers 306, completing the clamping and fixing of the metal long bar.

[0041] Referring to Figures 1 - 6As shown, in a preferred embodiment, a first support arm 311 is slidably mounted on the surface of the machine tool 1. One end of the first support arm 311 is fixedly installed with an abutting block 312 for longitudinally supporting the long metal bar. A number of balls are rotatably mounted on the surface of the abutting block 312. The other end of the first support arm 311 is fixedly installed with a driving block 313. The driving block 313 is wedge-shaped. A first spring 314 is sleeved on the surface of the first support arm 311. One end of the first spring 314 is fixedly connected to the machine tool 1, and the other end of the first spring 314 is fixedly connected to the driving block 313, which is used to drive the driving block 313 to move downward. A second support arm 315 is fixedly installed at the bottom of the moving seat 307. A wedge-shaped block 316 is fixedly installed on the side wall of the second support arm 315, which is used to drive the driving block 313 to move upward. When the second electric telescopic rod 308 drives the moving seat 307 to move towards the long metal bar, it drives the second support arm 315 and the wedge-shaped block 316 to move synchronously, so as to drive the driving block 313 to move upward through the wedge-shaped block 316, drive the abutting block 312 to abut against the bottom of the long metal bar, and provide longitudinal support for the long metal bar to ensure the stability of sawing.

[0042] In a preferred embodiment, during use, the long metal bar to be sawn is placed on the surface of the feeding roller 2, and one end of the long metal bar is pushed forward. The second electric telescopic rod 308 can drive the moving seat 307 to move towards the long metal bar, and the long metal bar is extruded by the positioning roller 310 to fix the long metal bar between the positioning roller 310 and the abutting roller 306, completing the clamping and fixing of the long metal bar. Moreover, when the second electric telescopic rod 308 drives the moving seat 307 to move towards the long metal bar, it drives the second support arm 315 and the wedge-shaped block 316 to move synchronously, so as to drive the driving block 313 to move upward through the wedge-shaped block 316, drive the abutting block 312 to abut against the bottom of the long metal bar, and provide longitudinal support for the long metal bar to ensure the stability of sawing.

[0043] Refer to Figures 1 - 7 As shown, in a preferred embodiment, a first lead screw 317 is rotatably installed in the inner cavity of the moving seat 307. A first threaded block 318 is fixedly installed on the side wall of the second mounting seat 309. The first lead screw 317 is threadedly connected to the first threaded block 318. One end of the first lead screw 317 is fixedly installed with a first gear 319. A first toothed plate 320 is fixedly installed on the surface of the machine tool 1. The first gear 319 meshes with the first toothed plate 320. When the second electric telescopic rod 308 drives the moving seat 307 to move towards the long metal bar, the first gear 319 meshes with the first toothed plate 320, thereby driving the first lead screw 317 to rotate, driving the second mounting seat 309 to move towards the saw blade 303, and when the positioning roller 310 contacts the long metal bar, pushing the long metal bar to move forward synchronously.

[0044] Refer to Figures 1 - 7As shown, in a preferred embodiment, the bracket 321 is fixedly installed on the surface of the machine tool 1. A receiving seat 322 is fixedly installed on the surface of the bracket 321 for supporting the protruding end of the metal long bar. A first turntable 323 is rotatably installed in the inner cavity of the receiving seat 322. Slide bars 324 are symmetrically and fixedly installed on the surface of the first turntable 323. A second turntable 325 is slidably installed on the surface of the slide bars 324. An electromagnet 326 is fixedly installed on the surface of the second turntable 325 for adsorbing and fixing the metal long bar.

[0045] Referring to Figures 1 - 7 As shown, in a preferred embodiment, a second spring 327 is fixedly installed between the first turntable 323 and the second turntable 325 for driving the second turntable 325 to move away from the first turntable 323. First contacts 328 and second contacts 329 are respectively fixedly installed on the surfaces of the first turntable 323 and the second turntable 325 for controlling the power supply of the electromagnet 326. When the second electric telescopic rod 308 drives the moving seat 307 to move towards the metal long bar, it drives the second mounting seat 309 to move towards the saw blade 303. When the positioning roller 310 contacts the metal long bar, it pushes the metal long bar to move forward synchronously, so that one end of the metal long bar presses the electromagnet 326, pushing the electromagnet 326 and the second turntable 325 to move towards the first turntable 323, closing the first contact 328 and the second contact 329, and energizing the electromagnet 326. The electromagnet 326 can then adsorb and fix one end of the metal long bar. A second motor 330 is fixedly installed on the side wall of the receiving seat 322. The output end of the second motor 330 is fixedly connected to the first turntable 323 for driving the first turntable 323 to rotate. By means of the second motor 330, the first turntable 323 can be driven to rotate, driving the second turntable 325 and the metal long bar to rotate simultaneously. During the sawing process of the metal long bar, the metal long bar can actively rotate, changing the cutting contact angle, avoiding excessive local concentrated cutting force, and reducing the risk of tool damage.

[0046] In a preferred embodiment, when the second electric telescopic rod 308 drives the moving seat 307 to move towards the metal long rod, the first gear 319 meshes with the first toothed plate 320, thereby driving the first lead screw 317 to rotate, driving the second mounting seat 309 to move towards the saw blade 303, and when the positioning roller 310 contacts the metal long rod, pushing the metal long rod to move forward synchronously, so that one end of the metal long rod presses on the electromagnet 326, pushing the electromagnet 326 and the second turntable 325 to move towards the first turntable 323, causing the first contact 328 to close with the second contact 329, energizing the electromagnet 326, and the electromagnet 326 can adsorb and fix one end of the metal long rod. Subsequently, the second motor 330 drives the first turntable 323 to rotate, and drives the second turntable 325 and the metal long rod to rotate simultaneously. During the sawing process of the metal long rod, the metal long rod can actively rotate, changing the cutting contact angle, avoiding excessive local concentrated cutting force, and reducing the risk of tool damage.

[0047] Referring to Figures 1 - 9 As shown, in a preferred embodiment, a blanking mechanism 4 is installed on the surface of the machine tool 1. The blanking mechanism 4 includes a blanking groove 401, a receiving plate 402, and a rotating shaft 403. The blanking groove 401 is opened on the surface of the machine tool 1, and a receiving plate 402 is rotatably installed in the blanking groove 401 for carrying the sawn metal rod, buffering it, and reducing the collision and wear of the metal rod. A rotating shaft 403 is fixedly installed on the side wall of the receiving plate 402, and the receiving plate 402 is rotatably connected to the machine tool 1 through the rotating shaft 403.

[0048] Referring to Figures 1 - 9 As shown, in a preferred embodiment, a slag collecting groove 415 is opened on the surface of the machine tool 1 for collecting sawing chips. A push plate 404 is slidably installed in the inner cavity of the slag collecting groove 415 for pushing out the chips. A driving plate 405 is fixedly installed on the side wall of the push plate 404, a second threaded block 406 is fixedly installed in the inner cavity of the driving plate 405, a second lead screw 407 is rotatably installed in the inner cavity of the machine tool 1, the second lead screw 407 is threadedly connected to the second threaded block 406, a second gear 408 is fixedly installed at one end of the rotating shaft 403, a third gear 409 is fixedly installed at one end of the second lead screw 407, and the second gear 408 meshes with the third gear 409. When the sawn metal rod falls onto the surface of the receiving plate 402, under the action of its gravity, it drives the receiving plate 402 to flip downward, thereby driving the rotating shaft 403 and the second gear 408 to rotate, and driving the third gear 409 and the second lead screw 407 to rotate, thereby driving the push plate 404 to move in the slag collecting groove 415 and pushing the chips in the slag collecting groove 415, facilitating cleaning.

[0049] Referring to Figures 1 - 9As shown, in a preferred embodiment, an air groove 410 is formed in the inner cavity of the machine tool 1. A piston 411 is slidably installed in the air groove 410. A third spring 412 is fixedly installed in the air groove 410. One end of the third spring 412 is fixedly connected to the piston 411, and the other end of the third spring 412 is fixedly connected to the machine tool 1 for driving the piston 411 to move upward. A second toothed plate 413 is fixedly installed on the surface of the piston 411. The second toothed plate 413 meshes with the second gear 408. A plurality of spray holes 414 are formed in the side wall of the slag collection tank 415. An air pipe is connected between the spray holes 414 and the air groove 410. When the second gear 408 rotates, it drives the second toothed plate 413 to move downward synchronously, thereby driving the piston 411 to move downward. The air in the air groove 410 is injected into the spray holes 414 through the air pipe and sprayed onto the surface of the saw blade 303, cleaning the debris on its surface and dissipating heat from it, reducing the wear of the saw blade 303.

[0050] In a preferred embodiment, when the sawn metal rod falls onto the surface of the receiving plate 402, under the action of its gravity, it drives the receiving plate 402 to turn downward, thereby driving the rotating shaft 403 and the second gear 408 to rotate, and driving the third gear 409 and the second lead screw 407 to rotate, thereby driving the push plate 404 to move in the slag collection tank 415 to push the debris in the slag collection tank 415, facilitating cleaning; and when the second gear 408 rotates, it drives the second toothed plate 413 to move downward synchronously, thereby driving the piston 411 to move downward. The air in the air groove 410 is injected into the spray holes 414 through the air pipe and sprayed onto the surface of the saw blade 303, cleaning the debris on its surface and dissipating heat from it, reducing the wear of the saw blade 303.

[0051] Specifically, the working principle of the automatic sawing device for metal long rods is as follows: During use, the metal long rod to be sawn is placed on the surface of the feeding roller 2, and one end of the metal long rod is pushed forward to abut against the side wall of the receiving seat 322. The second electric telescopic rod 308 can drive the moving seat 307 to move towards the metal long rod, and the metal long rod is squeezed by the positioning roller 310 to fix the metal long rod between the positioning roller 310 and the abutting roller 306, completing the clamping and fixing of the metal long rod. When the second electric telescopic rod 308 drives the moving seat 307 to move towards the metal long rod, it drives the second arm 315 and the wedge block 316 to move synchronously, thereby driving the driving block 313 to move upward through the wedge block 316, driving the abutting block 312 to abut against the bottom of the metal long rod, providing longitudinal support for the metal long rod, and ensuring the stability of sawing.

[0052] When the second electric telescopic rod 308 drives the moving seat 307 to move towards the metal long rod, the first gear 319 meshes with the first toothed plate 320, thereby driving the first lead screw 317 to rotate, driving the second mounting seat 309 to move towards the saw blade 303, and when the positioning roller 310 contacts the metal long rod, pushing the metal long rod to move forward synchronously, so that one end of the metal long rod presses against the electromagnet 326, pushing the electromagnet 326 and the second turntable 325 to move towards the first turntable 323, making the first contact 328 and the second contact 329 closed, energizing the electromagnet 326, and the electromagnet 326 can adsorb and fix one end of the metal long rod. Subsequently, the second motor 330 drives the first turntable 323 to rotate, and drives the second turntable 325 and the metal long rod to rotate simultaneously, so that during the sawing process of the metal long rod, the metal long rod can actively rotate, change the cutting contact angle, avoid excessive local concentrated cutting force, and reduce the risk of tool damage.

[0053] When the sawn metal rod falls onto the surface of the receiving plate 402, under the action of its gravity, it drives the receiving plate 402 to turn downward, thereby driving the rotating shaft 403 and the second gear 408 to rotate, and driving the third gear 409 and the second lead screw 407 to rotate, thereby driving the push plate 404 to move in the slag collection groove 415, pushing the debris in the slag collection groove 415, which is convenient for cleaning; and when the second gear 408 rotates, it drives the second toothed plate 413 to move downward synchronously, thereby driving the piston 411 to move downward, injecting the air in the air groove 410 into the spray holes 414 through the air pipe, spraying it onto the surface of the saw blade 303, cleaning the debris on its surface, and at the same time dissipating heat from it, reducing the wear of the saw blade 303.

[0054] An automatic sawing method for a metal long rod, applicable to the above-mentioned automatic sawing device for a metal long rod, includes the following steps:

[0055] S1: Clamping; placing the metal long rod to be sawn on the surface of the feeding roller 2, pushing one end of the metal long rod forward, abutting against the side wall of the receiving seat 322, driving the moving seat 307 to move towards the metal long rod through the second electric telescopic rod 308, fixing the metal long rod between the positioning roller 310 and the abutting roller 306, and when the second electric telescopic rod 308 drives the moving seat 307 to move towards the metal long rod, driving the second arm 315 and the wedge block 316 to move synchronously, thereby driving the driving block 313 to move upward through the wedge block 316, driving the abutting block 312 to abut against the bottom of the metal long rod, and providing longitudinal support for the metal long rod.

[0056] S2: support; when the second electric telescopic rod 308 drives the moving seat 307 to move toward the direction of the metal long rod, the first gear 319 meshes with the first tooth plate 320, driving the second mounting seat 309 to move toward the saw blade 303, and when the positioning roller 310 contacts the metal long rod, the metal long rod is pushed forward synchronously, so that one end of the metal long rod squeezes the electromagnet 326, so that the first contact 328 and the second contact 329 are closed, and the electromagnet 326 can adsorb and fix one end of the metal long rod, and then the second motor 330 drives the second turntable 325 and the metal long rod to rotate simultaneously, so that the metal long rod can actively rotate during the sawing process of the metal long rod;

[0057] S3: unloading; when the sawed metal rod falls onto the surface of the receiving plate 402, the receiving plate 402 is driven to flip downward, thereby driving the second gear 408 to rotate, driving the second screw 407 to rotate, driving the push plate 404 to move in the slag collecting groove 415, and pushing the debris in the slag collecting groove 415; and when the second gear 408 rotates, it drives the second tooth plate 413 to move downward synchronously, and injects the air in the air groove 410 into the spray hole 414 through the air pipe, and sprays it onto the surface of the saw blade 303.

[0058] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic sawing device for long metal bars, comprising a machine tool (1) and a feeding roller (2), wherein the feeding roller (2) is symmetrically mounted on the surface of the machine tool (1) for conveying the long metal bars, and characterized in that: The machine tool (1) is provided with a sawing mechanism (3) mounted on its surface, wherein the sawing mechanism (3) comprises: A slide plate (301), the slide plate (301) being slidably mounted on the surface of the machine tool (1), a first motor (302) being fixedly mounted on the surface of the slide plate (301), and a saw blade (303) being fixedly mounted on the output end of the first motor (302) for cutting a long metal rod; A first mounting seat (305), the first mounting seat (305) being fixedly mounted on the surface of the machine tool (1), and an abutment roller (306) being symmetrically rotatably mounted in the inner cavity of the first mounting seat (305); A movable seat (307), the movable seat (307) being slidably mounted on the surface of the machine tool (1), a second mounting seat (309) being slidably mounted in the inner cavity of the movable seat (307), and a positioning roller (310) being symmetrically rotatably mounted in the inner cavity of the second mounting seat (309) for positioning the long metal rod; A bracket (321) is fixedly mounted on the surface of the machine tool (1); a receiving seat (322) is fixedly mounted on the surface of the bracket (321) for supporting the protruding end of the long metal rod.

2. The automatic metal long bar sawing device according to claim 1, characterized in that: A first electric telescopic rod (304) is fixedly mounted on the side wall of the machine tool (1); a telescopic end of the first electric telescopic rod (304) is fixedly connected to a slide plate (301) for driving the slide plate (301) to slide on the surface of the machine tool (1); a second electric telescopic rod (308) is fixedly mounted on the surface of the machine tool (1); a telescopic end of the second electric telescopic rod (308) is fixedly connected to a moving seat (307) for driving the moving seat (307) to slide on the surface of the machine tool (1).

3. The automatic metal long bar sawing device according to claim 2, characterized in that: A first support arm (311) is slidably mounted on the surface of the machine tool (1); an abutment block (312) is fixedly mounted on one end of the first support arm (311) for longitudinally supporting the long metal rod; a plurality of balls are rotatably mounted on the surface of the abutment block (312); a driving block (313) is fixedly mounted on the other end of the first support arm (311); the driving block (313) is wedge-shaped; a first spring (314) is sleeved on the surface of the first support arm (311); one end of the first spring (314) is fixedly connected to the machine tool (1); the other end of the first spring (314) is fixedly connected to the driving block (313) for driving the driving block (313) to move downward; a second support arm (315) is fixedly mounted on the bottom of the movable seat (307); a wedge-shaped block (316) is fixedly mounted on the side wall of the second support arm (315) for driving the driving block (313) to move upward.

4. The automatic metal long bar sawing device according to claim 3, characterized in that: A first screw rod (317) is rotatably mounted in the inner cavity of the movable seat (307); a first threaded block (318) is fixedly mounted on the side wall of the second mounting seat (309); the first screw rod (317) is threadedly connected to the first threaded block (318); a first gear (319) is fixedly mounted on one end of the first screw rod (317); a first toothed plate (320) is fixedly mounted on the surface of the machine tool (1); and the first gear (319) is meshed with the first toothed plate (320).

5. The automatic metal long bar sawing device according to claim 4, characterized in that: A first turntable (323) is rotatably mounted in the inner cavity of the receiving seat (322); a sliding rod (324) is symmetrically fixedly mounted on the surface of the first turntable (323); a second turntable (325) is slidably mounted on the surface of the sliding rod (324); an electromagnet (326) is fixedly mounted on the surface of the second turntable (325) for adsorbing and fixing the long metal rod.

6. The automatic metal long bar sawing device according to claim 5, characterized in that: A second spring (327) is fixedly installed between the first turntable (323) and the second turntable (325) for driving the second turntable (325) to move away from the first turntable (323); a first contact (328) and a second contact (329) are fixedly installed on the surface of the first turntable (323) and the second turntable (325) respectively for controlling the power supply of the electromagnet (326); a second motor (330) is fixedly installed on the side wall of the receiving seat (322); an output end of the second motor (330) is fixedly connected to the first turntable (323) for driving the first turntable (323) to rotate.

7. The automatic metal long bar sawing device according to claim 6, characterized in that: A material unloading mechanism (4) is installed on the surface of the machine tool (1), and the material unloading mechanism (4) comprises a material unloading trough (401), a receiving plate (402) and a rotating shaft (403). The material unloading trough (401) is opened on the surface of the machine tool (1), and a receiving plate (402) is rotatably installed in the material unloading trough (401) for carrying the metal rods cut by sawing. A rotating shaft (403) is fixedly installed on the side wall of the receiving plate (402), and the receiving plate (402) is rotatably connected to the machine tool (1) via the rotating shaft (403).

8. The automatic metal long bar sawing device according to claim 7, characterized in that: The surface of the machine tool (1) is provided with a slag collecting groove (415) for collecting sawing debris, the inner cavity of the slag collecting groove (415) is slidably mounted with a push plate (404) for pushing out the debris, the side wall of the push plate (404) is fixedly mounted with a driving plate (405), the inner cavity of the driving plate (405) is fixedly mounted with a second threaded block (406), the inner cavity of the machine tool (1) is rotatably mounted with a second screw rod (407), the second screw rod (407) is threadedly connected to the second threaded block (406), one end of the rotating shaft (403) is fixedly mounted with a second gear (408), one end of the second screw rod (407) is fixedly mounted with a third gear (409), and the second gear (408) is meshed with the third gear (409).

9. The automatic metal long bar sawing device according to claim 8, characterized in that: An air groove (410) is provided in the inner cavity of the machine tool (1), a piston (411) is slidably mounted in the air groove (410), a third spring (412) is fixedly mounted in the air groove (410), one end of the third spring (412) is fixedly connected to the piston (411), and the other end of the third spring (412) is fixedly connected to the machine tool (1) and is used to drive the piston (411) to move upward, a second tooth plate (413) is fixedly mounted on the surface of the piston (411), the second tooth plate (413) is meshed with the second gear (408), a plurality of spray holes (414) are provided on the side wall of the slag collecting groove (415), and an air pipe is connected between the spray holes (414) and the air groove (410).

10. A method for automatically sawing a long metal bar, applicable to the automatic sawing device for automatically sawing a long metal bar as claimed in claim 9, characterized in that: The steps include: S1: clamping; placing the long metal bar to be sawed on the surface of the feeding roller (2), and pushing one end of the long metal bar forward to abut against the side wall of the receiving seat (322), and driving the movable seat (307) to move in the direction of the long metal bar by the second electric telescopic rod (308), and fixing the long metal bar between the positioning roller (310) and the abutting roller (306), and when the second electric telescopic rod (308) drives the movable seat (307) to move in the direction of the long metal bar, it drives the second support arm (315) and the wedge block (316) to move synchronously, thereby driving the driving block (313) to move upward through the wedge block (316), driving the abutting block (312) to abut against the bottom of the long metal bar, and providing longitudinal support for the long metal bar; S2: support; when the second electric telescopic rod (308) drives the movable seat (307) to move in the direction of the metal long rod, the first gear (319) meshes with the first tooth plate (320), driving the second mounting seat (309) to move in the direction of the saw blade (303), and when the positioning roller (310) contacts the metal long rod, the metal long rod is pushed forward synchronously, so that one end of the metal long rod presses the electromagnet (326), so that the first contact (328) and the second contact (329) are closed, and the electromagnet (326) can adsorb and fix one end of the metal long rod, and then the second motor (330) drives the second turntable (325) and the metal long rod to rotate simultaneously, so that the metal long rod can be actively rotated during the sawing process of the metal long rod; S3: unloading; when the sawed metal rod falls onto the surface of the receiving plate (402), the receiving plate (402) is driven to flip downward, thereby driving the second gear (408) to rotate, driving the second screw rod (407) to rotate, driving the push plate (404) to move in the slag collecting groove (415), and pushing the debris in the slag collecting groove (415); and when the second gear (408) rotates, the second tooth plate (413) is driven to move downward synchronously, and the air in the air groove (410) is injected into the spray hole (414) through the air pipe and sprayed onto the surface of the saw blade (303).

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