Cutting device based on automobile steel plate girder production and processing

Abstract

The application relates to the technical field of automobile girders, and discloses a cutting device for automobile steel plate girder production and processing, one end of the top of a roller conveyor is provided with a fixing frame, an adjusting assembly is installed on the fixing frame, a cutting assembly for the roller forming automobile steel plate girder processing is arranged on one side of the fixing frame, and the other end of the top of the roller conveyor is provided with a positioning assembly for the roller forming automobile steel plate girder; the push rod of the second electric push rod drives one of the T-shaped frames to move on the outer sides of the two sliding rods through the second connecting block, one of the T-shaped frames drives one of the racks to move in the moving process, the one of the racks drives the other rack to move through the gear on the fixing shaft, the other rack drives the other T-shaped frame to move, the two T-shaped frames can synchronously move and drive the auxiliary wheels on the inner side of the connecting frame to abut against the two sides of the girder, the position of the girder can be corrected and positioned, and the clamping and fixing of the girder are completed.

Description

Technical Field

[0001] This invention relates to the field of automotive frame technology, specifically a cutting device based on the production and processing of automotive steel frame panels. Background Technology

[0002] The frame, or chassis, is a core structural component in automotive engineering. It consists of two longitudinal beams and multiple transverse beams welded or riveted together to form a trapezoidal frame. This structure serves as the vehicle's base, bearing the weight of core components such as the engine and transmission, and transmitting impact loads generated during driving. Its steel construction provides high torsional rigidity and is widely used in off-road vehicles, trucks, and other models requiring high load-bearing capacity. However, it has technical limitations due to its relatively large weight and high center of gravity. As a critical load-bearing and structural component of the vehicle chassis, the forming and cutting precision of the steel frame directly affects the overall structural strength, safety performance, and assembly quality of the vehicle. Roll forming is a common process for manufacturing U-shaped cross-section frames. The semi-finished frame after forming needs to be precisely cut to the designed length to prepare for subsequent welding, riveting, and other assembly processes.

[0003] When the main beam is transported to the cutting station, due to its long U-shaped cross-section, the vibration and lateral force generated during the cutting process, especially when the saw blade or cutting disc cuts in, can easily cause the workpiece to shift laterally, warp longitudinally, or twist as a whole. In order to ensure that the cutting surface is vertical, the cut position is accurate, and the assembly accuracy and structural reliability of the subsequent assembly are guaranteed, a cutting device based on the production and processing of automotive steel plate main beams is proposed. Summary of the Invention

[0004] The purpose of this invention is to provide a cutting device for the production and processing of automotive steel beams, in order to solve the problem mentioned in the background art that when the beam is transported to the cutting station, due to the beam's long U-shaped cross-section, the vibration and lateral force generated during the cutting process, especially when the saw blade or cutting disc cuts in, can easily cause the workpiece to shift laterally, warp longitudinally, or twist as a whole. In order to ensure the verticality of the cutting surface, the accuracy of the cut position, and the assembly accuracy and structural reliability of the subsequent assembly, this invention aims to address these issues.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a cutting device based on the production and processing of automotive steel beams, comprising... A roller conveyor, wherein a fixed frame is installed at one top end of the roller conveyor, an adjustment component is installed on the fixed frame, a cutting component for processing automotive steel sheet beams by roll forming is provided on one side of the fixed frame, and a positioning component for automotive steel sheet beams by roll forming is provided at the other top end of the roller conveyor. The positioning assembly includes a second mounting bracket, two slide rods, and two T-shaped brackets. The second mounting bracket is fixedly connected to the top of the roller conveyor at the other end. The two slide rods are fixedly connected to the inner side of the second mounting bracket. The two T-shaped brackets are slidably connected to the outer ends of the two slide rods. A connecting frame is fixedly connected to the bottom of each of the two T-shaped brackets. An auxiliary wheel is connected to the inside of the connecting frame via a shaft. A rack is fixedly connected to opposite sides of each of the two T-shaped brackets. A fixed shaft is fixedly connected to the bottom inner side of the second mounting bracket. A gear is rotatably connected to the outer side of the fixed shaft. A fixing component is provided on each of the two T-shaped brackets.

[0006] Preferably, the two racks are located on both sides of the gear, and both racks are meshed with the outer side of the gear.

[0007] Preferably, the top end of the second mounting bracket is provided with a long through groove, the inside of which a second connecting block passes through and is fixedly connected to the top of one of the T-shaped brackets. A second electric push rod is installed on the top of the second mounting bracket, and the push rod end of the second electric push rod is fixedly connected to one side of the second connecting block.

[0008] Preferably, the fixing assembly includes two first brackets, two second brackets, and a connecting seat. The two first brackets are respectively hinged inside the two T-shaped frames, and the two second brackets are respectively hinged inside the two T-shaped frames and located below the two first brackets. A connecting seat is installed at one end of one of the first brackets and the second bracket on one side. A first pressure plate is fixedly connected to the bottom of the connecting seat. A connecting shaft is installed at the other end of each of the two second brackets. Mounting seats are installed on opposite sides of each of the two T-shaped frames. A third electric push rod is hinged inside each of the two mounting seats. The push rod ends of the two third electric push rods are respectively hinged to the outside of the two connecting shafts.

[0009] Preferably, a fourth electric push rod is installed on the other side of the fixing frame, and the push rod end of the fourth electric push rod is fixedly connected to a second pressure plate.

[0010] Preferably, the cutting assembly includes a slide plate, two bearing seats, and a lead screw. The slide plate is mounted on one side of the fixed frame, and the two bearing seats are respectively mounted on both ends of one side of the slide plate. The lead screw is rotatably connected to the inside of the two bearing seats. A first mounting bracket is slidably connected to one side of the slide plate. The first mounting bracket is threaded to the outside of the lead screw. A rotating shaft is rotatably connected to the bottom of one side of the first mounting bracket, and a cutting disc is mounted on one end of the rotating shaft.

[0011] Preferably, a second drive motor is installed on one side of the top of the first mounting bracket, and a second active synchronous pulley is installed on the inner side of the first mounting bracket at the output shaft of the second drive motor. A second driven synchronous pulley is fixedly sleeved on the other end of the shaft, and the second driven synchronous pulley and the second active synchronous pulley are connected by a synchronous belt.

[0012] Preferably, the adjustment assembly includes two slide rails, two slide blocks, and a first connecting block. The two slide rails are fixedly connected to both ends of the fixed frame, and the two slide blocks are slidably connected to the outer sides of the two slide rails. The first connecting block is fixedly connected to the rear side of the slide plate. A first electric push rod is installed on the fixed frame, and the push rod end of the first electric push rod is fixedly connected to the top side of the first connecting block.

[0013] Preferably, a first drive motor is installed on the skateboard, and the output shaft of the first drive motor is fixedly connected to a first active synchronous pulley.

[0014] Preferably, one end of the lead screw extends to the outside of one of the bearing seats and is fixedly connected to a first driven synchronous pulley, and the first driven synchronous pulley and the first driving synchronous pulley are connected by a synchronous belt.

[0015] Compared with the prior art, the present invention, employing the above technical solution, has the following technical effects: 1. In this invention, the push rod of the second electric push rod drives one of the T-shaped frames to move outside the two slide rods via the second connecting block. During the movement of one of the T-shaped frames, one of the racks moves. One rack drives another rack to move via a gear on a fixed shaft. The other rack then drives the other T-shaped frame to move, so that the two T-shaped frames can move synchronously and drive the auxiliary wheel inside the connecting frame to abut against both sides of the beam. This can correct and position the beam and complete the clamping and fixing of the beam.

[0016] 2. In this invention, the push rod ends of two third electric push rods drive one end of each of the two second brackets to move via a connecting shaft, causing the other ends of the two second brackets to drive the connecting seat downwards. The first pressure plate on the connecting seat abuts against the top of the beam, which can limit the longitudinal movement of the beam, prevent the beam from moving during cutting, and ensure the cutting accuracy and perpendicularity of the cut surface. Moreover, through the setting of the first bracket, the connecting seat, T-shaped frame, second bracket and first bracket form a quadrilateral, so that the first pressure plate is always parallel to the horizontal plane, which can ensure the stability of the beam.

[0017] 3. In this invention, the push rod of the first electric push rod pushes the slide plate to move via the first connecting block, causing the slide seats at both ends of the slide plate to move outside the two slide rails, thereby adjusting the cutting depth of the cutting disc. Then, the output shaft of the first drive motor drives the first active synchronous wheel to rotate, and the first active synchronous wheel drives the first driven synchronous wheel to rotate via the synchronous belt. The first driven synchronous wheel then drives the lead screw between the two bearing seats to rotate, causing the lead screw to move the first mounting frame on the slide plate, thereby causing the cutting disc on the first mounting frame to move horizontally, thus enabling the cutting and processing of the beam. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the second mounting bracket structure of the present invention; Figure 3 This is a schematic diagram of the mounting base structure of the present invention; Figure 4 This is a schematic diagram of the first mounting bracket structure of the present invention; Figure 5 This is a schematic diagram of the skateboard structure of the present invention; Figure 6 This is a schematic diagram of the fixing frame structure of the present invention; Figure 7 This is a schematic diagram of the right-side structure of the present invention; Figure 8 This is a schematic diagram of the rear view structure of the present invention.

[0020] Explanation of reference numerals in the attached drawings: 1. Roller conveyor; 2. Fixed frame; 31. Slide rail; 32. Slide block; 33. First connecting block; 34. First electric push rod; 35. First driven synchronous pulley; 36. First drive motor; 37. First driving synchronous pulley; 41. Slide plate; 42. Bearing housing; 43. Lead screw; 44. First mounting bracket; 45. Rotary shaft; 46. Cutting disc; 47. Second driven synchronous pulley; 48. Second drive motor; 49. Second driving synchronous pulley 51. Second mounting bracket; 52. Slide rod; 53. T-shaped bracket; 54. Connecting frame; 55. Auxiliary wheel; 56. Rack; 57. Fixed shaft; 58. Gear; 59. Long through groove; 510. Second connecting block; 511. Second electric push rod; 61. First bracket; 62. Second bracket; 63. Connecting seat; 64. First pressure plate; 65. Connecting shaft; 66. Mounting seat; 67. Third electric push rod; 71. Fourth electric push rod; 72. Second pressure plate. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0023] Example Please see Figure 1-8 The present invention provides a technical solution: a cutting device based on the production and processing of automotive steel plate beams, characterized in that it includes a roller conveyor 1, a fixed frame 2 is installed at one top end of the roller conveyor 1, an adjusting component is installed on the fixed frame 2, a cutting component for processing automotive steel plate beams by roll forming is provided on one side of the fixed frame 2, and a positioning component for automotive steel plate beams by roll forming is provided at the other top end of the roller conveyor 1.

[0024] By setting up a positioning component, the position of the main beam can be corrected and positioned, and the main beam can be clamped and fixed. The positioning component includes a second mounting frame 51, two slide rods 52, and two T-shaped frames 53. The second mounting frame 51 is fixedly connected to the other end of the top of the roller conveyor 1. The two slide rods 52 are fixedly connected to the inner side of the second mounting frame 51. The two T-shaped frames 53 are slidably connected to the outer ends of the two slide rods 52 respectively. A connecting frame 54 is fixedly connected to the bottom of each of the two T-shaped frames 53. An auxiliary wheel 55 is connected to the inside of the connecting frame 54 through a shaft. A rack 56 is fixedly connected to opposite sides of each of the two T-shaped frames 53. A fixing shaft 57 is fixedly connected to the bottom inner side of the second mounting frame 51. A gear 58 is rotatably connected to the outer side of the fixed shaft 57. Two racks 56 are located on both sides of the gear 58, and both racks 56 are meshed with the outer side of the gear 58. One T-shaped bracket 53 moves on the outer side of the two slide rods 52. During the movement of one T-shaped bracket 53, one rack 56 moves. One rack 56 drives the other rack 56 to move through the gear 58 on the fixed shaft 57. The other rack 56 drives the other T-shaped bracket 53 to move, so that the two T-shaped brackets 53 can move synchronously and drive the auxiliary wheel 55 on the inner side of the connecting frame 54 to abut against both sides of the beam, thereby limiting the lateral movement of the beam. Fixing components are provided on the two T-shaped brackets 53.

[0025] For quick positioning and fixing of the main beam, a long through groove 59 is provided at one end of the top of the second mounting bracket 51. The second connecting block 510 passes through the inside of the long through groove 59 and is fixedly connected to the top of one of the T-shaped brackets 53. A second electric push rod 511 is installed on the top of the second mounting bracket 51. The push rod end of the second electric push rod 511 is fixedly connected to one side of the second connecting block 510. By resetting the push rod of the second electric push rod 511, the push rod of the second electric push rod 511 drives one of the T-shaped brackets 53 to move outside the two slide rods 52 via the second connecting block 510.

[0026] By setting a fixing component, the longitudinal direction of the beam can be limited to prevent movement during cutting and improve the stability of beam cutting. The fixing component includes two first brackets 61, two second brackets 62, and a connecting seat 63. The two first brackets 61 are respectively hinged inside the two T-shaped frames 53, and the two second brackets 62 are respectively hinged inside the two T-shaped frames 53 and located below the two first brackets 61. Through the setting of the first brackets 61, the connecting seat 63, T-shaped frames 53, second brackets 62, and first brackets 61 form a quadrilateral, ensuring that the first pressure plate 64 is always parallel to the horizontal plane, thus ensuring the stability of the beam fixing. A connecting seat 63 is installed at one end of one of the first brackets 61 and the second bracket 62 on one side. A first pressure plate 64 is fixedly connected to the bottom of the 3. A connecting shaft 65 is installed at the other end of each of the two second brackets 62. Mounting seats 66 are installed on opposite sides of each of the two T-shaped frames 53. A third electric push rod 67 is hinged inside the two mounting seats 66. The push rod ends of the two third electric push rods 67 are respectively hinged to the outside of the two connecting shafts 65. By resetting the push rods of the two third electric push rods 67 on opposite sides of the two T-shaped frames 53, the push rod ends of the two third electric push rods 67 drive one end of each of the two second brackets 62 to move via the connecting shafts 65. This causes the other ends of the two second brackets 62 to drive the connecting seats 63 to move downward. The first pressure plate 64 on the connecting seat 63 abuts against the top of the beam, which can limit the movement of the beam.

[0027] To prevent the beam from swaying during cutting, a fourth electric push rod 71 is installed on the other side of the fixing frame 2. The push rod end of the fourth electric push rod 71 is fixedly connected to the second pressure plate 72. As the push rod of the fourth electric push rod 71 extends, the push rod of the fourth electric push rod 71 drives the second pressure plate 72 to move and abut against the inside of the beam, thereby fixing the other end of the beam.

[0028] By setting up a cutting assembly, the beam can be cut and processed. The cutting assembly includes a slide plate 41, two bearing seats 42, and a lead screw 43. The slide plate 41 is installed on one side of the fixed frame 2. The two bearing seats 42 are respectively installed at both ends of one side of the slide plate 41. The lead screw 43 is rotatably connected to the inside of the two bearing seats 42. A first mounting bracket 44 is slidably connected to one side of the slide plate 41. The first mounting bracket 44 is threaded to the outside of the lead screw 43. A rotating shaft 45 is rotatably connected to the bottom of one side of the first mounting bracket 44. A cutting disc 46 is installed at one end of the rotating shaft 45. A cutting disc 46 is installed on the top side of the first mounting bracket 44. The second drive motor 48 has an output shaft located inside the first mounting bracket 44, on which a second driving synchronous pulley 49 is mounted. The other end of the rotating shaft 45 is fixedly sleeved with a second driven synchronous pulley 47. The second driven synchronous pulley 47 and the second driving synchronous pulley 49 are connected by a synchronous belt. The output shaft of the second drive motor 48 drives the second driving synchronous pulley 49 to rotate, and the second driving synchronous pulley 49 drives the second driven synchronous pulley 47 to rotate via the synchronous belt. The second driven synchronous pulley 47 drives the cutting disc 46 to rotate via the rotating shaft 45, and the cutting disc 46 can then be used to cut and process the beam. A first drive motor 36 is installed on the slide plate 41. The output shaft of the first drive motor 36 is fixedly connected to a first active synchronous pulley 37. One end of the lead screw 43 extends to the outside of one of the bearing seats 42 and is fixedly connected to a first driven synchronous pulley 35. The first driven synchronous pulley 35 and the first active synchronous pulley 37 are connected by a synchronous belt. During cutting, the output shaft of the first drive motor 36 drives the first active synchronous pulley 37 to rotate. The first active synchronous pulley 37 drives the first driven synchronous pulley 35 to rotate through the synchronous belt. The first driven synchronous pulley 35 then drives the lead screw 43 between the two bearing seats 42 to rotate. This causes the lead screw 43 to drive the first mounting frame 44 to move on the slide plate 41, thereby causing the cutting disc 46 on the first mounting frame 44 to move horizontally, thus enabling the beam to be cut and processed.

[0029] An adjustment component is provided to facilitate the cutting of the main beam. The adjustment component includes two slide rails 31, two slide blocks 32, and a first connecting block 33. The two slide rails 31 are fixedly connected to both ends of the fixed frame 2, and the two slide blocks 32 are slidably connected to the outside of the two slide rails 31. The first connecting block 33 is fixedly connected to the rear side of the slide plate 41. A first electric push rod 34 is installed on the fixed frame 2, and the push rod end of the first electric push rod 34 is fixedly connected to the top side of the first connecting block 33. By extending the push rod end of the first electric push rod 34, the push rod of the first electric push rod 34 pushes the slide plate 41 to move through the first connecting block 33, so that the slide blocks 32 at both ends of the slide plate 41 move outside the two slide rails 31, thereby adjusting the cutting depth of the cutting disc 46 to facilitate the cutting of the main beam. Working principle or structural principle: Before cutting the roll-formed automotive steel beam, the U-shaped beam is conveyed to the roller conveyor 1. Then, the push rod of the second electric push rod 511 is reset by the switch group, so that the push rod of the second electric push rod 511 drives one of the T-shaped frames 53 to move outside the two slide rods 52 through the second connecting block 510. During the movement of one of the T-shaped frames 53, one of the racks 56 moves. One of the racks 56 drives the other rack 56 to move through the gear 58 on the fixed shaft 57. The other rack 56 drives the other T-shaped frame 53 to move, so that the two T-shaped frames 53 can move synchronously and drive the auxiliary wheel 55 inside the connecting frame 54 to abut against both sides of the beam. This can correct and position the beam and complete the clamping and fixing of the beam, thus completing the lateral limit of the beam. Then, the push rods of the two third electric push rods 67 on opposite sides of the two T-shaped frames 53 are reset by the switch group, so that the push rod ends of the two third electric push rods 67 drive one end of the two second brackets 62 to move through the connecting shaft 65, so that the other end of the two second brackets 62 drives the connecting seat 63 to move downward. The first pressure plate 64 on the connecting seat 63 abuts against the top of the beam, which can limit the longitudinal movement of the beam and prevent the beam from moving during cutting, thus improving the stability of the beam cutting. Moreover, through the setting of the first bracket 61, the connecting seat 63, T-shaped frame 53, second bracket 62 and first bracket 61 form a quadrilateral, so that the first pressure plate 64 is always parallel to the horizontal plane, which can ensure the stability of the beam. Then, the push rod of the fourth electric push rod 71 is extended by the switch group. The push rod of the fourth electric push rod 71 drives the second pressure plate 72 to move and abut against the inside of the beam, which can fix the other end of the beam and prevent the beam from swinging during cutting. The extension of the push rod end of the first electric push rod 34 is controlled by the switch group, causing the push rod of the first electric push rod 34 to push the slide plate 41 to move via the first connecting block 33. This causes the slide seats 32 at both ends of the slide plate 41 to move outside the two slide rails 31, thereby adjusting the cutting depth of the cutting disc 46 to facilitate the cutting of the beam. Then, the second drive motor 48 is started by the switch group. The output shaft of the second drive motor 48 drives the second active synchronous pulley 49 to rotate. The second active synchronous pulley 49 drives the second driven synchronous pulley 47 to rotate via the synchronous belt. The second driven synchronous pulley 47 rotates via the rotating shaft 45. This will drive the cutting disc 46 to rotate, allowing the beam to be cut. During cutting, the first drive motor 36 is started by controlling the switch group. The output shaft of the first drive motor 36 drives the first active synchronous pulley 37 to rotate. The first active synchronous pulley 37 drives the first driven synchronous pulley 35 to rotate via a synchronous belt. The first driven synchronous pulley 35 then drives the lead screw 43 between the two bearing seats 42 to rotate, causing the lead screw 43 to move the first mounting frame 44 on the slide plate 41, thereby causing the cutting disc 46 on the first mounting frame 44 to move horizontally, thus allowing the beam to be cut.

[0030] Those skilled in the art will understand that the features described in the various embodiments and / or claims of the present invention can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention can be combined or combined in various ways without departing from the spirit and teachings of the present invention. All such combinations and / or combinations fall within the scope of the present invention.

Claims

1. A cutting device based on the production and processing of automotive steel beams, characterized in that, include A roller conveyor (1) is provided with a fixed frame (2) installed at one top end of the roller conveyor (1), an adjustment component is installed on the fixed frame (2), a cutting component for processing automotive steel plate beams for roll forming is provided on one side of the fixed frame (2), and a positioning component for automotive steel plate beams for roll forming is provided at the other top end of the roller conveyor (1). The positioning assembly includes a second mounting bracket (51), two slide rods (52) and two T-shaped brackets (53). The second mounting bracket (51) is fixedly connected to the other end of the top of the roller conveyor (1). The two slide rods (52) are fixedly connected to the inner side of the second mounting bracket (51). The two T-shaped brackets (53) are slidably connected to the outer ends of the two slide rods (52). A connecting frame (54) is fixedly connected to the bottom of each of the two T-shaped brackets (53). An auxiliary wheel (55) is connected to the inside of the connecting frame (54) through a shaft. A rack (56) is fixedly connected to opposite sides of each of the two T-shaped brackets (53). A fixed shaft (57) is fixedly connected to the bottom inner side of the second mounting bracket (51). A gear (58) is rotatably connected to the outer side of the fixed shaft (57). A fixing component is provided on each of the two T-shaped brackets (53).

2. The cutting device based on the production and processing of automotive steel beams according to claim 1, characterized in that, The two racks (56) are located on both sides of the gear (58), and both racks (56) are meshed with the outside of the gear (58).

3. The cutting device based on the production and processing of automotive steel beams according to claim 1, characterized in that, The second mounting bracket (51) has a long through groove (59) at one end of its top. The long through groove (59) has a second connecting block (510) running through it and is fixedly connected to the top of one of the T-shaped brackets (53). The second mounting bracket (51) has a second electric push rod (511) installed on its top. The push rod end of the second electric push rod (511) is fixedly connected to one side of the second connecting block (510).

4. The cutting device based on the production and processing of automotive steel beams according to claim 1, characterized in that, The fixing assembly includes two first brackets (61), two second brackets (62), and a connecting seat (63). The two first brackets (61) are respectively hinged inside the two T-shaped frames (53), and the two second brackets (62) are respectively hinged inside the two T-shaped frames (53) and located below the two first brackets (61). A connecting seat (63) is installed at one end of one of the first brackets (61) and the second bracket (62) on one side. A first pressure plate (64) is fixedly connected to the bottom of the connecting seat (63). A connecting shaft (65) is installed at the other end of each of the two second brackets (62). A mounting seat (66) is installed on the opposite side of each of the two T-shaped frames (53). A third electric push rod (67) is hinged inside the two mounting seats (66), and the push rod ends of the two third electric push rods (67) are respectively hinged to the outside of the two connecting shafts (65).

5. The cutting device based on the production and processing of automotive steel beams according to claim 1, characterized in that, A fourth electric push rod (71) is installed on the other side of the fixed frame (2), and a second pressure plate (72) is fixedly connected to the push rod end of the fourth electric push rod (71).

6. The cutting device based on the production and processing of automotive steel beams according to claim 1, characterized in that, The cutting assembly includes a slide plate (41), two bearing seats (42) and a lead screw (43). The slide plate (41) is mounted on one side of the fixed frame (2). The two bearing seats (42) are respectively mounted on both ends of one side of the slide plate (41). The lead screw (43) is rotatably connected to the inside of the two bearing seats (42). A first mounting bracket (44) is slidably connected to one side of the slide plate (41). The first mounting bracket (44) is threaded to the outside of the lead screw (43). A rotating shaft (45) is rotatably connected to the bottom of one side of the first mounting bracket (44). A cutting disc (46) is mounted on one end of the rotating shaft (45).

7. A cutting device based on the production and processing of automotive steel beams according to claim 6, characterized in that, A second drive motor (48) is installed on one side of the top of the first mounting bracket (44). The output shaft of the second drive motor (48) is located inside the first mounting bracket (44) and a second active synchronous pulley (49) is installed. A second driven synchronous pulley (47) is fixedly sleeved on the other end of the rotating shaft (45). The second driven synchronous pulley (47) and the second active synchronous pulley (49) are connected by a synchronous belt.

8. A cutting device based on the production and processing of automotive steel beams according to claim 6, characterized in that, The adjustment assembly includes two slide rails (31), two slide blocks (32), and a first connecting block (33). The two slide rails (31) are fixedly connected to both ends of the fixed frame (2), and the two slide blocks (32) are slidably connected to the outside of the two slide rails (31). The first connecting block (33) is fixedly connected to the rear side of the slide plate (41). A first electric push rod (34) is installed on the fixed frame (2), and the push rod end of the first electric push rod (34) is fixedly connected to the top side of the first connecting block (33).

9. A cutting device based on the production and processing of automotive steel beams according to claim 6, characterized in that, The first drive motor (36) is installed on the skateboard (41), and the output shaft of the first drive motor (36) is fixedly connected to the first active synchronous wheel (37).

10. A cutting device based on the production and processing of automotive steel beams according to claim 9, characterized in that, One end of the lead screw (43) extends to the outside of one of the bearing seats (42) and is fixedly connected to a first driven synchronous pulley (35). The first driven synchronous pulley (35) and the first driving synchronous pulley (37) are connected by a synchronous belt.

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