Cutting device for automobile part machining

Abstract

The invention belongs to the technical field of metal cutting, and relates to a cutting device for automobile part machining, which comprises a bottom frame, a feeding system arranged on the bottom frame and used for conveying automobile door hinge blanks and a positioning system used for fixing the automobile door hinge blanks, a linear electric guide rail is arranged on the bottom frame, a sliding block of the linear electric guide rail is connected with a connecting frame, a first cutting machine is installed on the connecting frame, a first guide plate and a second guide plate are connected to the bottom frame, a feeding channel is formed between the first guide plate and the second guide plate, the feeding channel is perpendicular to and intersects with the feeding direction of the feeding system, and a pushing air cylinder is installed on the bottom frame. According to the vehicle door hinge cutting device, automatic continuous cutting of vehicle door hinge blanks can be achieved through the first cutting machine and the cutting assembly, after cutting of the cutting assembly is completed, redundant parts can automatically fall off from the discharging frame, then vehicle door hinges are obliquely poured out through homeopathic pushing, and therefore classified collection is facilitated.

Description

Technical Field

[0001] The invention belongs to the technical field of metal cutting, and in particular relates to a cutting device for processing automobile parts. Background Art

[0002] Door hinges are key components in the car body structure, responsible for connecting the door and the body and ensuring that the door can open and close smoothly and reliably.

[0003] Traditional door hinge processing methods usually use manual or semi-automatic equipment for cutting and forming, that is, first cut one or two vertical grooves on the door hinge blank according to the type of door hinge, and then cut off the excess blank part on the outside in the direction perpendicular to the vertical groove to obtain the approximate outline of the door hinge, and then perform hole opening and grinding and other processes.

[0004] However, it is difficult to realize automatic continuous feeding and cutting, and manual placement is required. After cutting, the excess parts and finished door hinges cannot be automatically classified and collected, and the work efficiency is low. For example, the patent announcement number is CN216462228U, which discloses a trimming device for door hinge processing. The trimming device for door hinge processing requires manual placement of the door hinge on a placement seat, and each door hinge and excess parts need to be manually taken in and out after cutting.

[0005] In view of the shortcomings of the above-mentioned prior art, a cutting device for automobile parts processing is designed to overcome the shortcomings of the prior art and is capable of continuously cutting door hinges with a high degree of automation, eliminating the manual picking and placing and manual sorting and collection steps. Summary of the invention

[0006] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and to provide a cutting device for automobile parts processing that can continuously cut door hinges, has a high degree of automation, and eliminates the manual picking and placing and manual sorting and collection steps.

[0007] In order to solve the above technical problems, the present invention provides a cutting device for processing automobile parts, comprising a base frame, a feeding system arranged on the upper rear side of the base frame for conveying long strips of door hinge blanks from the back to the front, and a positioning system for fixing the door hinge blanks, two linear electric guide rails facing each other up and down are installed on the base frame, a connecting frame is connected between the sliders of the two linear electric guide rails, a cutting machine 1 is installed on the connecting frame, a guide plate 1 and a guide plate 2 located behind the guide plate 1 are connected to the upper front side of the base frame, a feeding channel is formed between the guide plate 1 and the guide plate 2, the feeding channel is perpendicular to and intersects with the feeding direction of the feeding system, and a pushing air parallel to the feeding channel is installed on the base frame. Cylinder, a connecting plate slidably arranged in the feeding channel is connected to the piston rod of the pushing cylinder, the connecting plate is located at the position where the feeding channel and the feeding direction of the feeding system intersect, and a rotating support module located at the left end of the feeding channel is rotatable on the connecting plate, the rotating support module is used to receive a door hinge blank with two vertical grooves transported forward from the feeding system, a dividing assembly suitable for moving down and dividing the door hinge blank is provided above the feeding channel formed between guide plate 1 and guide plate 2, a discharging frame located below the dividing assembly is connected to the base frame, a guide groove is provided on guide plate 1, a sliding shaft sliding in the guide groove is connected to the rotating support module, and the end of the guide groove away from the pushing cylinder is inclined downward.

[0008] Preferably, the feeding system includes two front-to-rear lifting electric guide rails installed on the base frame, a blank supporting module for supporting the long strip of door hinge blank to be cut is connected between the sliders of the two lifting electric guide rails, a limiting portion is raised at one end of the blank supporting module away from the cutting machine, a pushing electric guide rail is installed on the base frame, a pushing block slidably arranged on the limiting portion is connected to the slider of the pushing electric guide rail, and the pushing block is engaged with the limiting portion; a semi-finished product supporting module is connected to the base frame, the semi-finished product supporting module is used to support the door hinge blank cut by the cutting machine, the semi-finished product supporting module and the blank supporting module are respectively located on the front and rear sides of the cutting machine, a gap is left between the semi-finished product supporting module and the blank supporting module for the cutting machine to pass through, and the rotating support module and the blank supporting module are respectively located on the front and rear sides of the semi-finished product supporting module.

[0009] Preferably, the positioning system includes a transverse guide rail and a vertical guide rail connected to the base frame, a transverse clamp located on the right between the blank support module and the semi-finished product support module is slidably disposed on the transverse guide rail, and a slot is opened on the transverse clamp block for passing a cutting machine, and a vertical clamp located above the blank support module is slidably disposed on the vertical guide rail, a driving motor is installed on the base frame, and a transmission shaft rotatably disposed on the base frame is connected to the output shaft of the driving motor, and two eccentric rod portions are provided between the front and rear ends of the transmission shaft, a connecting rod is rotatably disposed between the front eccentric rod portion and the transverse clamp block, and a connecting rod is also rotatably disposed between the rear eccentric rod portion and the vertical clamp block.

[0010] Preferably, the splitting assembly includes a mounting frame connected between the upper sides of guide plate 1 and guide plate 2, a lifting cylinder is installed on the mounting frame, a lifting frame sliding between guide plate 1 and guide plate 2 is connected to the piston rod of the lifting cylinder, and a cutting machine 2 for cutting off the excess part of the outer side of the door hinge blank on the rotating support module by moving downward in the direction perpendicular to the vertical groove is installed on the front and rear sides of the lifting frame, and a through groove suitable for the passage of the cutting machine 2 is opened on the guide plate 1 and the guide plate 2.

[0011] Preferably, the splitting assembly also includes a resistance rod slidably arranged on the lifting frame, the resistance rod is suitable for moving downward to resist the door hinge blank on the rotating support module, a compression spring surrounding the resistance rod is connected between the resistance rod and the lifting frame, the compression spring is used for resetting the sliding resistance rod, and the lower part of the resistance rod is connected to an L-shaped positioning frame.

[0012] Preferably, it also includes: a baffle suitable for blocking the door hinge blank on the semi-finished supporting module is connected to one side of the connecting plate, and a limiting plate suitable for limiting the height of the door hinge blank is connected to the upper part of the connecting plate.

[0013] Preferably, it further comprises: two notches facing each other front and back on the rotating support module, the lower side of the connecting plate extends toward the discharge frame, and the lower side of the rotating support module is connected with a guide plate extending toward the discharge frame.

[0014] Preferably, it also includes an ejector rod that slides through the rotation support module, a connecting spring that surrounds the ejector rod is connected between the ejector rod and the interior of the rotation support module, and a resistance plate that is suitable for resisting the ejector rod is connected to the base frame, and the resistance plate is located below the inclined end of the guide groove on the guide plate.

[0015] The present invention overcomes the shortcomings of the prior art and has the following beneficial effects: 1. The cutting machine and the splitting assembly can realize the automatic continuous cutting of the door hinge blank, and after the splitting assembly is completed, the excess part will automatically fall from the discharge frame, and then the door hinge can be tilted and poured out by pushing it along the trend, so as to facilitate classification and collection.

[0016] 2. Control the drive motor to drive the transmission shaft to rotate. The transmission shaft will drive the horizontal clamp and the vertical clamp through two connecting rods to fix and loosen the door hinge blank at the same time, so as to improve the working stability when cutting the door hinge blank.

[0017] 3. When the sliding shaft on the rotating support module moves to the right to the inclined end of the guide groove and the rotating support module rotates to pour out the cut door hinge blank to the right, the rotation of the rotating support block will drive the ejector rod to contact the contact plate, and the ejector rod will be squeezed upward by the contact plate, thereby automatically and synchronously pouring out and ejecting the cut door hinge, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an assembly schematic diagram of the present invention.

[0019] Figure 2 It is a cross-sectional view of a guide plate 1 of the present invention.

[0020] Figure 3 It is a schematic diagram of the base, the discharge frame and the guide plate of the present invention.

[0021] Figure 4 It is a schematic diagram of the rotary support module of the present invention when it is in a tilted state.

[0022] Figure 5 It is a right side schematic diagram of the present invention.

[0023] Figure 6 It is a schematic diagram of the lifting electric guide rail, the blank supporting module and the limiting part of the present invention.

[0024] Figure 7 It is a schematic diagram of the base frame, guide plate 1 and guide plate 2 of the present invention.

[0025] Figure 8 Schematic diagram of the positioning system of the present invention.

[0026] Fig. 9 It is a schematic diagram of the segmentation component of the present invention.

[0027] Fig.10 It is a cross-sectional view of the rotary support module of the present invention.

[0028] Fig.11 It is a schematic diagram of a door hinge blank in the prior art.

[0029] The markings in the accompanying drawings provided by the present invention are: 1-base frame, 2-feeding system, 21-lifting electric guide rail, 22-blank support module, 23-limiting part, 24-push electric guide rail, 25-push block, 26-semi-finished product support module, 3-positioning system, 31-transverse guide rail, 32-transverse clamping block, 33-vertical guide rail, 34-vertical clamping block, 35-drive motor, 36-transmission shaft, 361-eccentric rod, 37-connecting rod, 41-linear electric guide rail, 42-connecting frame, 43-cutting machine one, 5 0-guide plate one, 51-guide plate two, 510-through slot, 52-push cylinder, 53-connecting plate, 54-rotation support module, 540-slot, 55-baffle, 56-limit plate, 57-discharge frame, 58-guide plate, 6-dividing assembly, 61-mounting frame, 62-lifting cylinder, 63-lifting frame, 64-cutting machine two, 65-resistance rod, 66-compression spring, 67-positioning frame, 71-resistance plate, 72-ejection rod, 73-connecting spring, 81-door hinge blank, 82-vertical slot. DETAILED DESCRIPTION

[0030] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0031] In addition, the terms "first", "second" and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. It should be noted that the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0032] In the prior art, Fig.11 The leftmost door hinge blank 81 is in a state before cutting, the middle door hinge blank 81 is in a state after two vertical grooves 82 are cut, and the rightmost door hinge blank 81 is in a state after the redundant parts are cut.

[0033] A cutting device for processing automobile parts, such as Figure 1-Figure 4As shown, it includes a base frame 1, a feeding system 2 arranged on the upper rear side of the base frame 1 for conveying a long strip of door hinge blank 81 from the rear to the front, and a positioning system 3 for fixing the door hinge blank 81. The positioning system 3 temporarily fixes the door hinge blank 81 moved forward to a specified position. At this time, the door hinge blank 81 cannot continue to move forward, thereby improving the stability during subsequent cutting. Two linear electric guide rails 41 facing each other are installed on the base frame 1. A connecting frame 42 is connected between the sliders of the two linear electric guide rails 41. A cutting machine 43 is installed on the connecting frame 42. The linear electric guide rail 41 is controlled to drive the connecting frame 42 to drive the cutting machine 43 to move right to cut the fixed door hinge blank 81 into a vertical groove 82. After cutting a vertical groove 82, the linear electric guide rail 41 is controlled to drive the connecting frame 42 to drive the cutting machine 43 to move left and reset, the positioning system 3 releases the door hinge blank 81, and the feeding system 2 transports the door hinge blank 81 forward for a distance again. The positioning system 3 fixes the door hinge blank 81 again, and then the cutting machine 43 is moved right to cut the second vertical groove 82. After the second vertical groove 82 is cut, the cutting machine 43 is moved left and reset, and then the door hinge blank 81 is transported forward for a distance and positioned. Finally, the cutting machine 43 is moved right to cut off the door hinge blank 81 with two vertical grooves 82. In this way, a plurality of door hinge blanks 81 with two vertical grooves 82 (such as Fig.11 The middle door hinge blank 81 is schematically shown in the figure), and the door hinge blank 81 is continuously conveyed forward. The front upper side of the base frame 1 is connected with a guide plate 1 50 and a guide plate 2 51 located behind the guide plate 1 50. A feeding channel is formed between the guide plate 1 50 and the guide plate 2 51. The feeding channel is perpendicular to and intersects with the feeding direction of the feeding system 2. The front door hinge blank 81 will be conveyed forward to the left end of the feeding channel. A pushing cylinder 52 parallel to the feeding channel is installed on the base frame 1. The piston rod of the pushing cylinder 52 is connected with a connecting plate 53 slidably arranged in the feeding channel. The connecting plate 53 is located at the position where the feeding channel intersects with the feeding direction of the feeding system 2. A rotating support module 54 located at the left end of the feeding channel is rotatable on the connecting plate 53. The rotating support module 54 is used to receive the material from the feeding channel. The door hinge blank 81 with two vertical grooves 82 is transported forward in the feeding system 2. The feeding system 2 will transport the door hinge blank 81 with two vertical grooves 82 at the front to the upper side of the rotating support module 54. At this time, the pushing cylinder 52 is controlled to drive the connecting plate 53 to drive the rotating support module 54 to move right. The rotating support module 54 will drive the door hinge blank 81 to move right. A splitting component 6 suitable for moving downward to split the door hinge blank 81 is provided above the feeding channel formed between the guide plate 1 50 and the guide plate 2 51. When the rotating support module 54 drives the door hinge blank 81 to move right to the bottom of the splitting component 6, the splitting component 6 cuts off the excess part of the outer side of the door hinge blank 81 in the direction perpendicular to the vertical groove 82, so as to obtain the approximate outline of the door hinge blank 81 (such as Fig.11 The bottom frame 1 is connected to a discharge frame 57 located below the segmentation assembly 6. The excess portion of the door hinge blank 81 cut off will fall out of the discharge frame 57. The container can be placed under the discharge frame 57 for convenient collection. A guide groove is provided on the guide plate 50. The rotation support module 54 is connected to a slide shaft that slides in the guide groove. The rightwardly moving rotation support module 54 will move rightward along the guide groove. One end of the push cylinder 52 away from the guide groove is tilted downward. Therefore, after the segmentation assembly 6 has segmented the door hinge blank 81 on the rotation support module 54, the push cylinder 52 is controlled to move downward. The cylinder 52 drives the connecting plate 53 to drive the rotating support module 54 to continue to move right until the sliding shaft on the rotating support module 54 moves right to the inclined end of the guide groove, and the rotating support module 54 will then rotate to pour the door hinge blank 81 after segmentation to the right, and the container can be placed at the lower right side of the guide plate 2 51 for convenient collection. In summary, it can be seen that the cutting machine 43 and the segmentation component 6 can be used to cut the door hinge blank 81, and automatically and synchronously discharge the excess parts of the door hinge blank 81 and the door hinge blank 81 after segmentation, which is convenient for classification and collection.

[0034] like Figure 5-Figure 7As shown, the feeding system 2 includes two front-to-rear opposite lifting electric guide rails 21 installed on the base frame 1, and a blank support module 22 for supporting the long strip of door hinge blank 81 to be cut is connected between the sliders of the two lifting electric guide rails 21. When feeding, the lifting electric guide rails 21 are controlled to drive the blank support module 22 to move downward, and then the door hinge blank 81 to be cut is placed on the upper side of the blank support module 22, and then the lifting electric guide rails 21 are controlled to drive the blank support module 22 to move upward and reset. The loading can be completed. The blank support module 22 has a limited portion 23 protruding from one end of the cutting machine 43. The limited portion 23 limits the rear position of the door hinge blank 81. The bottom frame 1 is equipped with a pusher electric guide rail 24. The slider of the pusher electric guide rail 24 is connected with a pusher block 25 slidably arranged on the limited portion 23. The pusher block 25 is engaged with the limited portion 23. Since the limited portion 23 limits the rear position of the door hinge blank 81, the door hinge on the blank support module 22 is not loose. The chain blank 81 is located in front of the pushing block 25. At this time, the pushing electric guide rail 24 can be controlled to drive the pushing block 25 to move forward to convey the door hinge blank 81 forward; the chassis 1 is connected with a semi-finished product support module 26, which is used to support the door hinge blank 81 cut by the cutting machine 43. The semi-finished product support module 26 and the blank support module 22 are respectively located on the front and rear sides of the cutting machine 43. The forward movement of the pushing block 25 will push the door hinge blank on the blank support module 22 81 is conveyed forward to the semi-finished product support module 26. A gap is left between the semi-finished product support module 26 and the blank support module 22 for the cutting machine 43 to pass through. The rotating support module 54 and the blank support module 22 are respectively located on the front and rear sides of the semi-finished product support module 26. Therefore, the door hinge blank 81 cut off by the cutting machine 43 on the semi-finished product support module 26 will be conveyed forward to the rotating support module 54, and then conveyed by the rotating support module 54 to the bottom of the splitting component 6 for splitting.

[0035] like Figure 5 , Figure 7 and Figure 8As shown, the positioning system 3 includes a transverse guide rail 31 and a vertical guide rail 33 connected to the base frame 1, and a transverse clamping block 32 is slidably disposed on the transverse guide rail 31 and is located at the right position between the blank support module 22 and the semi-finished product support module 26. The transverse clamping block 32 is provided with a slot for passing through a cutting machine 43. The transverse clamping block 32 moves to the left to fix the door hinge blank 81 on the blank support module 22 and the semi-finished product support module 26, and moves to the right to release the door hinge blank 81 on the blank support module 22 and the semi-finished product support module 26. A vertical clamping block 34 is slidably disposed on the vertical guide rail 33 and is located above the blank support module 22. The vertical clamping block 34 moves downward to fix the door hinge blank 81 on the blank support module 22, and moves upward to release it. A driving motor 35 is installed, and a transmission shaft 36 rotatably arranged on the base frame 1 is connected to the output shaft of the driving motor 35. Two eccentric rods 361 are provided between the front and rear ends of the transmission shaft 36. A connecting rod 37 rotates between the front eccentric rod 361 and the horizontal clamp 32, and a connecting rod 37 also rotates between the rear eccentric rod 361 and the vertical clamp 34. The rotation of the transmission shaft 36 will drive the horizontal clamp 32 to move left and right through the front connecting rod 37, and the rotation of the transmission shaft 36 will drive the vertical clamp 34 to move up and down through the rear connecting rod 37. The driving motor 35 is controlled to drive the transmission shaft 36 to rotate, and the transmission shaft 36 will respectively drive the horizontal clamp 32 and the vertical clamp 34 through the two connecting rods 37 to fix and release the door hinge blank at the same time.

[0036] like Figure 2 , Figure 3 , Figure 5 and Fig. 9 As shown, the splitting component 6 includes a mounting frame 61 connected between the upper sides of the guide plate 1 50 and the guide plate 2 51, a lifting cylinder 62 is installed on the mounting frame 61, and a lifting frame 63 sliding between the guide plate 1 50 and the guide plate 2 51 is connected to the piston rod of the lifting cylinder 62, and a cutting machine 2 64 for moving downward in the direction of the vertical groove 82 to cut off the excess part of the outer side of the door hinge blank 81 on the rotating support module 54 is installed on the front and rear sides of the lifting frame 63. When the rotating support module 54 moves to the right and drives the door hinge blank 81 to move to the bottom of the splitting component 6, the lifting cylinder 62 is controlled to drive the lifting frame 63 to drive the cutting machine 2 64 to move downward to split the door hinge blank 81. The guide plate 1 50 and the guide plate 2 51 are both provided with a through groove 510 suitable for the cutting machine 2 64 to move downward to split the door hinge blank 81.

[0037] like Fig. 9As shown, the segmentation assembly 6 also includes a resistance rod 65 slidably arranged on the lifting frame 63. Before the lifting frame 63 drives the cutting machine 2 64 to move downward for cutting, the resistance rod 65 is suitable for moving downward to pre-resist the door hinge blank 81 on the rotating support module 54, so as to improve the stability of the cutting machine 2 64 when it moves downward for cutting. A compression spring 66 surrounding the resistance rod 65 is connected between the resistance rod 65 and the lifting frame 63. The compression spring 66 is used for resetting the sliding resistance rod 65. As the cutting machine 2 64 gradually moves downward for deeper segmentation, the lifting frame 63 will squeeze the compression spring 66, so that the resistance rod 65 can more tightly resist the door hinge blank 81. The lower part of the resistance rod 65 is connected to an L-shaped clamping frame 67. The downward movement of the resistance rod 65 will drive the clamping frame 67 to move downward to clamp the right side of the door hinge blank 81 on the rotating support module 54 to prevent shaking and deviation, thereby further improving the stability during segmentation.

[0038] like Figure 3 and Fig. 9 As shown, it also includes: a baffle 55 suitable for blocking the door hinge blank 81 on the semi-finished product supporting module 26 is connected to one side of the connecting plate 53. When the connecting plate 53 drives the door hinge blank 81 cut with two vertical grooves 82 to move right to the bottom of the dividing assembly 6 through the rotating supporting module 54, the connecting plate 53 will also drive the baffle 55 to move right to block the front of the semi-finished product supporting module 26. The upper part of the connecting plate 53 is connected to a limiting plate 56 suitable for limiting the height of the door hinge blank 81, so as to improve the stability during transportation.

[0039] like Figure 3 As shown, it also includes: two front and rear opposite grooves 540 on the rotating support module 54, the groove 540 is suitable for the downward avoidance position of the dividing component 6, and the excess part of the door hinge blank 81 divided can be better dropped out from the discharge frame 57 through the groove 540, the lower side of the connecting plate 53 extends toward the discharge frame 57, and the lower side of the rotating support module 54 is connected to a guide plate 58 extending toward the discharge frame 57, and the excess part of the door hinge blank 81 divided in the groove 540 is guided to the discharge frame 57 for discharge by the lower side of the connecting plate 53 and the guide plate 58.

[0040] like Figure 4 and Fig.10The cam 72 is pressed against the locking cam 74 to release the locking cam 76, which in turn releases the locking cam 76 from the locking cam 76, thereby releasing the locking cam 76.

[0041] Obviously, the embodiments described above are only some embodiments of the present invention, rather than all embodiments. They only express the preferred implementation modes of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention.

[0042] It should be pointed out that, for ordinary technicians in this field, several modifications, increases and decreases in quantity, improvements and substitutions can be made without departing from the concept of the present invention. Therefore, based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope of protection of the present invention.

Claims

1. A cutting device for processing automobile parts, comprising a base frame (1), a feeding system (2) arranged on the base frame (1) for conveying a door hinge blank (81), and a positioning system (3) for fixing the door hinge blank (81), a linear electric guide rail (41) being installed on the base frame (1), a slider of the linear electric guide rail (41) being connected to a connecting frame (42), a cutting machine (43) being installed on the connecting frame (42), characterized in that: The invention also comprises: a guide plate 1 (50) and a guide plate 2 (51) are connected to the base frame (1); a feeding channel is formed between the guide plate 1 (50) and the guide plate 2 (51); the feeding channel is perpendicular to and intersects with the feeding direction of the feeding system (2); a pushing cylinder (52) is installed on the base frame (1); a connecting plate (53) slidably arranged in the feeding channel is connected to the piston rod of the pushing cylinder (52); a rotating support module (54) is rotatably arranged on the connecting plate (53); the rotating support module (54) is used to connect The door hinge blank (81) transported from the feeding system (2) is received, a dividing assembly (6) suitable for moving downward to divide the door hinge blank (81) is provided above the feeding channel formed between the guide plate 1 (50) and the guide plate 2 (51), the base frame (1) is connected to a discharge frame (57) located below the dividing assembly (6), the guide plate 1 (50) is provided with a guide groove, the rotating support module (54) is connected to a sliding shaft sliding in the guide groove, and the guide groove is inclined downward at one end away from the pushing cylinder (52).

2. The cutting device for automobile parts processing according to claim 1, characterized in that: The feeding system (2) comprises a lifting electric guide rail (21) mounted on the base frame (1), a slider of the lifting electric guide rail (21) being connected to a blank support module (22) for supporting a door hinge blank (81), an end of the blank support module (22) away from the cutting machine (43) having a raised limiting portion (23), a material pushing electric guide rail (24) being mounted on the base frame (1), a slider of the material pushing electric guide rail (24) being connected to a sliding member arranged on the limiting portion (23) ) on the pushing block (25); the base frame (1) is connected to a semi-finished product support module (26); the semi-finished product support module (26) and the blank support module (22) are respectively located on both sides of the cutting machine (43); a gap is left between the semi-finished product support module (26) and the blank support module (22) for the cutting machine (43) to pass through; the rotating support module (54) and the blank support module (22) are respectively located on both sides of the semi-finished product support module (26).

3. A cutting device for automobile parts processing according to claim 2, characterized in that: The positioning system (3) comprises a transverse guide rail (31) and a vertical guide rail (33) connected to the base frame (1); a transverse clamping block (32) is slidably disposed on the transverse guide rail (31); a slot is formed on the transverse clamping block (32) for the cutting machine (43) to pass through; a vertical clamping block (34) is slidably disposed on the vertical guide rail (33); a driving motor (35) is mounted on the base frame (1); a transmission shaft (36) is connected to the output shaft of the driving motor (35); two eccentric rods (361) are provided between the front and rear ends of the transmission shaft (36); a connecting rod (37) is rotatably disposed between the front eccentric rod (361) and the transverse clamping block (32); and a connecting rod (37) is also rotatably disposed between the rear eccentric rod (361) and the vertical clamping block (34).

4. The cutting device for automobile parts processing according to claim 1, characterized in that: The splitting assembly (6) includes a mounting frame (61) connected between the upper sides of the guide plate 1 (50) and the guide plate 2 (51), a lifting cylinder (62) is mounted on the mounting frame (61), a lifting frame (63) is connected to the piston rod of the lifting cylinder (62), a cutting machine 2 (64) is mounted on both sides of the lifting frame (63), and a through groove (510) suitable for the cutting machine 2 (64) to pass through is opened on the guide plate 1 (50) and the guide plate 2 (51).

5. The cutting device for automobile parts processing according to claim 4, characterized in that: The splitting assembly (6) further comprises a resisting rod (65) slidably mounted on the lifting frame (63), the resisting rod (65) being adapted to move downward to resist against a door hinge blank (81) on the rotating support module (54), a compression spring (66) being connected between the resisting rod (65) and the lifting frame (63), and an L-shaped positioning frame (67) being connected to the lower portion of the resisting rod (65).

6. The cutting device for automobile parts processing according to claim 2, characterized in that: The invention also comprises: a baffle (55) suitable for blocking the door hinge blank (81) on the semi-finished supporting module (26) is connected to one side of the connecting plate (53); and a limiting plate (56) suitable for limiting the height of the door hinge blank (81) is connected to the upper part of the connecting plate (53).

7. The cutting device for automobile parts processing according to claim 6, characterized in that: It also includes: the rotating support module (54) has two notches (540), the lower side of the connecting plate (53) extends towards the discharge frame (57), and the lower side of the rotating support module (54) is connected to a guide plate (58) extending towards the discharge frame (57).

8. The cutting device for automobile parts processing according to claim 1, characterized in that: It also includes an ejector rod (72) that slides through the rotation support module (54), a connecting spring (73) is connected between the ejector rod (72) and the rotation support module (54), and a contact plate (71) suitable for contacting the ejector rod (72) is connected to the base frame (1), and the contact plate (71) is located below the inclined end of the guide groove on the guide plate 1 (50).

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