Cutting system for automobile die production

Abstract

The invention relates to the technical field of laser cutting devices, in particular to a cutting system for automobile die production, which comprises a fixing frame, bottom plates are fixedly connected to the two sides of the top end of the fixing frame, two fixing stand columns are fixedly connected to the top ends of the two bottom plates, and a top plate is fixedly connected to the top ends of the two fixing stand columns. A feeding conveying mechanism is arranged on the fixing frame, a positioning mechanism is arranged on the bottom plate, a buffering clamping mechanism is arranged between the fixing frame and the top plate, and a laser cutting mechanism is arranged on the top plate. The positioning mechanism comprises two groups of second fixing seats and a first fixing seat which are fixedly connected to the top end of the bottom plate; by adjusting the position of the automobile top cover, it is guaranteed that the automobile top cover is not damaged when redundant leftover materials are cut, and then the cutting precision can be improved while the integrity of the automobile top cover is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of laser cutting devices, and in particular to a cutting system for automobile mold production. Background Art

[0002] The car roof is the cover on the top of the car body. It is an important part of the overall structure of the car body. It has multiple functions such as wind and rain protection, improving the perceived strength of the whole vehicle, protecting the safety of drivers and passengers, and providing a good driving environment. The car roof is generally made by stamping sheet metal on a stamping die. After the stamping is completed, the excess scraps need to be removed, and when removing the scraps, they need to be removed by cutting, and laser cutting is used for cutting.

[0003] In the prior art, although the area of ​​the car roof is large, the overall weight is light, so when the car roof is transported to the laser cutting device, it can be carried out by manual loading. However, during the loading and carrying process, workers need to move back and forth, and the long-term loading and carrying process will make the workers easily tired, thereby affecting the loading efficiency of the car roof. After loading, workers need to adjust the position of the car roof, and manual adjustment cannot ensure that the position of the car roof is in the position to be cut. Therefore, excessive cutting will occur during cutting, which will damage the car roof and cannot ensure its integrity, thereby affecting the quality of the car roof and the cutting accuracy.

[0004] In addition, the car roof needs to be clamped and fixed during cutting, and the clamping force cannot be controlled during the clamping process. When the clamping force is too large, the car roof will be deformed at the clamping point, and it cannot be ensured that the clamping block and the upper and lower ends of the car roof need to be clamped have the same shape. On the one hand, it cannot be ensured that the car roof is in a precise position, and on the other hand, the contact area with the car roof will be reduced, resulting in further damage to the car roof during clamping. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a cutting system for automobile mold production.

[0006] To achieve the above purpose, the technical solution adopted by the present invention is: a cutting system for automobile mold production, comprising a fixed frame, both sides of the top of the fixed frame are fixedly connected to bottom plates, the tops of the two bottom plates are fixedly connected to two fixed columns, the tops of the two groups of fixed columns are fixedly connected to top plates, a feeding and conveying mechanism is arranged on the fixed frame, a positioning mechanism is arranged on the bottom plate, a buffer clamping mechanism is arranged between the fixed frame and the top plate, and a laser cutting mechanism is arranged on the top plate;

[0007] The positioning mechanism comprises a second fixing seat and a first fixing seat fixedly connected to the top end of the bottom plate, the number of the second fixing seats is set to two groups, and a first positioning block is set between the two groups of the second fixing seats, the number of the first fixing seats is set to two groups, and a second positioning block is set between the two groups of the first fixing seats, the two groups of the first fixing seats and the second fixing seats gradually contact the automobile roof when turning over, and locate the position of the automobile roof, and the laser cutting mechanism is used to cut the automobile roof after positioning;

[0008] The buffer clamping mechanism includes a first clamping block and a second clamping block, and the number of the first clamping block and the second clamping block is four. The arc surfaces of the four groups of the second clamping blocks and the first clamping blocks close to one end are the same as the arc surfaces of the upper and lower ends of the automobile roof.

[0009] Preferably, the buffer clamping mechanism also includes a second hydraulic rod fixedly running through the fixed frame, the telescopic end of the second hydraulic rod is fixedly connected to the first lifting plate, the four corners of the top end of the first lifting plate are fixedly connected to the first fixing plates, the top ends of the four first fixing plates are each provided with a second groove, the bottom ends of the four second grooves are each fixedly connected to a second spring, four groups of the second springs are fixedly connected to the first clamping block, and the second spring can slow down the clamping force of the first clamping block clamping the car roof.

[0010] Preferably, the buffer clamping mechanism also includes a first hydraulic rod fixedly passed through the top plate, the telescopic end of the first hydraulic rod is fixedly connected to a second lifting plate, the four corners of the bottom end of the second lifting plate are fixedly connected to second fixed plates, the bottom ends of the four second fixed plates are each provided with a first groove, the top ends of the four first grooves are each fixedly connected to a first spring, four groups of the first springs and the second clamping block are fixedly connected, and the first spring can slow down the clamping force of the second clamping block on the car roof.

[0011] Preferably, the positioning mechanism also includes a driving shaft rotatably connected to the second fixed seat, the two driving shafts are fixedly connected to the first positioning block, the outer walls of the two driving shafts are symmetrically fixedly connected with main bevel gears, and also includes a transmission shaft rotatably connected to the first fixed seat, two groups of the transmission shafts are fixedly connected to the second positioning block, the two groups of transmission shafts are fixedly connected with secondary bevel gears at one end away from each other, and the two groups of secondary bevel gears are meshingly connected with the main bevel gears.

[0012] Preferably, the positioning mechanism also includes a vertical plate fixedly connected to the top end of the base plate corresponding to the side of the drive shaft, one end of the two vertical plates are fixedly connected to the second motor, and the two driving ends of the second motors are fixedly connected to one end of the drive shaft.

[0013] Preferably, the loading and conveying mechanism includes electric push rods symmetrically fixedly connected to the inner wall of the fixed frame, the telescopic ends of the two electric push rods are fixedly connected to the support frame, the top ends of the two support frames are fixedly connected to the conveying device, and the conveying device is arranged on the top of the first lifting plate and the inner side of the first fixed plate.

[0014] Preferably, the laser cutting mechanism includes a rotating shaft rotatably connected to four sides of the bottom end of the top plate, the bottom ends of the four rotating shafts are fixedly connected to sprockets, and the four sprockets are connected by chains.

[0015] Preferably, the bottom end of the chain is fixedly connected to a laser cutting gun via a fixing rod, and the laser cutting gun is arranged obliquely and the cutting part is close to the position of the automobile roof to be cut.

[0016] Preferably, the laser cutting mechanism further comprises a first motor fixedly connected to the top of the top plate, and a driving end of the first motor is fixedly connected to one of the rotating shafts.

[0017] Preferably, the bottom end of the first lifting plate is fixedly connected to both sides of the second hydraulic rod with first guide rods and passes through the fixed frame, and the top end of the second lifting plate is fixedly connected to both sides of the first hydraulic rod with second guide rods and passes through the top plate.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The automobile roof is transported to the position of the positioning mechanism through the feeding and conveying mechanism. At this time, the first positioning block and the second positioning block of the positioning mechanism are flipped and gradually contact the automobile roof, so that the position of the automobile roof can be adjusted to the position to be cut, thereby ensuring that the automobile roof will not be damaged when cutting excess scraps, thereby improving the cutting accuracy while ensuring the integrity of the automobile roof, and the feeding and conveying mechanism can facilitate the feeding of the automobile roof, thereby improving the feeding efficiency;

[0020] 2. After the position adjustment of the automobile roof is completed, the automobile roof can be clamped by the provided buffer clamping mechanism. During clamping, the cooperation of the first spring and the second spring can prevent the clamping force from being too large, thereby preventing the automobile roof from being deformed during clamping and affecting the quality of the automobile roof. During clamping, the arcuate surfaces of the first clamping block and the second clamping block close to one end are the same as the arcuate surfaces of the upper and lower ends of the automobile roof. Therefore, during clamping, the arcuate surfaces on the first clamping block and the second clamping block overlap with the arcuate surfaces at the upper and lower ends of the automobile roof, which can ensure that the automobile roof is in a precise position, ensure subsequent precise cutting operations, and further prevent the automobile roof from being deformed at the clamping position, thereby further improving the quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is an overall schematic diagram of a cutting system for automobile mold production of the present invention;

[0022] Figure 2 A schematic side top view of a cutting system for automobile mold production according to the present invention;

[0023] Figure 3 It is a schematic side bottom view of a cutting system for automobile mold production of the present invention;

[0024] Figure 4 This is a partial structural cutting diagram of a cutting system for automobile mold production according to the present invention;

[0025] Figure 5 A cutting system for automobile mold production according to the present invention Figure 4 Enlarged view of point A in the middle;

[0026] Figure 6 A cross-sectional view of a first fixing plate of a cutting system for automobile mold production according to the present invention;

[0027] Figure 7 A top plate cutting diagram of a cutting system for automobile mold production according to the present invention;

[0028] Figure 8 A cross-sectional view of a second fixing plate of a cutting system for automobile mold production according to the present invention;

[0029] Fig. 9 It is a partial structural diagram of a buffer clamping mechanism during mold closing of a cutting system for automobile mold production of the present invention;

[0030] Fig.10 The present invention is a structural diagram of an automobile top cover of a cutting system for automobile mold production.

[0031] In the figure: 1, fixed frame; 2, bottom plate; 3, first guide rod; 4, first positioning block; 5, conveying device; 6, fixed column; 7, top plate; 8, first motor; 9, second guide rod; 10, first hydraulic rod; 11, support frame; 12, electric push rod; 13, first lifting plate; 14, laser cutting gun; 15, chain; 16, rotating shaft; 17, second lifting plate; 18, driving shaft; 19, transmission shaft; 20, first fixed seat; 21, second positioning block; 22, first clamping block; 23, second hydraulic rod; 24, first fixed plate; 25, second fixed seat; 26, main bevel gear; 27, auxiliary bevel gear; 28, vertical plate; 29, second clamping block; 30, first groove; 31, first spring; 32, automobile top cover; 33, second fixed plate; 34, second motor; 35, second spring; 36, second groove; 37, sprocket. DETAILED DESCRIPTION

[0032] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0033] like Figure 1-Figure 10 A cutting system for automobile mold production shown in the figure comprises a fixing frame 1, both sides of the top of the fixing frame 1 are fixedly connected to a bottom plate 2, the tops of the two bottom plates 2 are fixedly connected to two fixing columns 6, the tops of the two groups of fixing columns 6 are fixedly connected to a top plate 7, a feeding and conveying mechanism is arranged on the fixing frame 1, a positioning mechanism is arranged on the bottom plate 2, a buffer clamping mechanism is arranged between the fixing frame 1 and the top plate 7, and a laser cutting mechanism is arranged on the top plate 7. The feeding and conveying mechanism can improve the feeding efficiency of the automobile top cover 32, thereby improving the cutting processing efficiency. The positioning mechanism is used to adjust the position of the automobile top cover 32 to ensure the cutting accuracy. The buffer clamping mechanism can avoid deformation of the automobile top cover 32 caused by excessive clamping force during the clamping process. The laser cutting mechanism can ensure the cutting process of the automobile top cover 32.

[0034] like Figure 1-Figure 2 , Figure 4-Figure 5 As shown, the positioning mechanism includes a second fixing seat 25 and a first fixing seat 20 fixedly connected to the top of the bottom plate 2, the number of the second fixing seats 25 is set in two groups, and the first positioning block 4 is set between the two groups of second fixing seats 25, the number of the first fixing seats 20 is set in two groups, and the second positioning block 21 is set between the two groups of first fixing seats 20, the two groups of first fixing seats 20 and the second fixing seats 25 gradually contact the automobile top cover 32 when turning over, and locate the position of the automobile top cover 32, and the laser cutting mechanism is used to cut the automobile top cover 32 after positioning;

[0035] like Figure 4 , Figure 6-Figure 10 As shown, the buffer clamping mechanism includes a first clamping block 22 and a second clamping block 29, and the number of the first clamping block 22 and the second clamping block 29 is four. The arc surfaces of the four groups of second clamping blocks 29 and the first clamping blocks 22 close to each other at one end are the same as the arc surfaces of the upper and lower ends of the automobile roof 32. Therefore, the automobile roof 32 can be ensured not to be deformed at the clamping position during clamping.

[0036] like Figure 4 , Figure 6 , Figure 9-10As shown, the buffer clamping mechanism also includes a second hydraulic rod 23 fixedly passing through the fixing frame 1, the telescopic end of the second hydraulic rod 23 is fixedly connected to the first lifting plate 13, the four corners of the top of the first lifting plate 13 are fixedly connected to the first fixing plate 24, the tops of the four first fixing plates 24 are each provided with a second groove 36, the bottoms of the four second grooves 36 are each fixedly connected to a second spring 35, the four groups of second springs 35 and the first clamping block 22 are all fixedly connected, and the second spring 35 can slow down the clamping force of the first clamping block 22 clamping the automobile roof 32. The first hydraulic rod 23 can move the first lifting plate 13 toward the direction close to the automobile roof 32, and the automobile roof 32 is clamped by the first clamping block 22, and the clamping force generated during clamping can be slowed down by the second spring 35, thereby preventing the automobile roof 32 from being deformed, thereby improving the overall quality after cutting.

[0037] like Figure 7-Figure 9 As shown, the buffer clamping mechanism also includes a first hydraulic rod 10 fixedly passing through the top plate 7, the telescopic end of the first hydraulic rod 10 is fixedly connected to the second lifting plate 17, the four corners of the bottom end of the second lifting plate 17 are fixedly connected to the second fixed plates 33, the bottom ends of the four second fixed plates 33 are each provided with a first groove 30, the top ends of the four first grooves 30 are each fixedly connected to the first spring 31, the four groups of first springs 31 and the second clamping block 29 are all fixedly connected, and the first spring 31 can slow down the clamping force of the second clamping block 29 clamping the car top cover 32. The first hydraulic rod 10 can move the second lifting plate 17 toward the direction close to the car top cover 32, and the car top cover 32 is clamped by the second clamping block 29, and the clamping force during clamping can be slowed down by the first spring 31 to prevent the car top cover 32 from being deformed due to excessive clamping force.

[0038] like Figure 4 , Figure 5 As shown, the positioning mechanism also includes a drive shaft 18 rotatably connected to the second fixed seat 25, two drive shafts 18 are fixedly connected to the first positioning block 4, and the outer walls of the two drive shafts 18 are symmetrically fixedly connected to the main bevel gears 26, and also includes a transmission shaft 19 rotatably connected to the first fixed seat 20, two sets of transmission shafts 19 are fixedly connected to the second positioning block 21, and the two sets of transmission shafts 19 are fixedly connected to the ends away from each other. The two sets of secondary bevel gears 27 are meshed with the main bevel gear 26. The main bevel gear 26 is set in a mirror image, so when the main bevel gear 26 rotates, the secondary bevel gear 27 rotates in the opposite direction, so that the first positioning block 4 and the second positioning block 21 can be turned inward, and the position of the automobile top cover 32 is positioned and adjusted to ensure that the required part of the automobile top cover 32 will not be damaged during subsequent cutting, thereby ensuring the quality of the production of the automobile top cover 32.

[0039] like Figure 5As shown, the positioning mechanism also includes a vertical plate 28 fixedly connected to the top of the bottom plate 2 corresponding to one side of the drive shaft 18, and one end of each of the two vertical plates 28 is fixedly connected to a second motor 34, and the driving ends of the two second motors 34 are fixedly connected to one end of the drive shaft 18. The second motors 34 are fixed to the bottom plate 2 through the vertical plates 28 and are symmetrically arranged.

[0040] like Figure 1-Figure 3 As shown, the loading and conveying mechanism includes an electric push rod 12 symmetrically fixedly connected to the inner wall of the fixed frame 1, the telescopic ends of the two electric push rods 12 are fixedly connected to the support frame 11, the top of the two support frames 11 are fixedly connected to the conveying device 5, and the conveying device 5 is arranged on the top of the first lifting plate 13 and the inner side of the first fixed plate 24. When loading, the electric push rod 12 is started and the conveying device 5 is pushed upward through the support frame 11 to contact the car top cover 32, and then the car top cover 32 is conveyed.

[0041] like Figure 3 , Figure 7 As shown, the laser cutting mechanism includes a rotating shaft 16 rotatably connected to four sides of the bottom end of the top plate 7, and the bottom ends of the four rotating shafts 16 are fixedly connected to sprockets 37, and the four sprockets 37 are connected by chains 15. The cutting line is determined by the set rotating shafts 16 and sprockets 37.

[0042] like Figure 2 , Figure 3 , Figure 7 As shown, the bottom end of the chain 15 is fixedly connected to a laser cutting gun 14 through a fixing rod, and the laser cutting gun 14 is tilted and the cutting part is close to the position to be cut of the automobile roof 32. The chain 15 moves the laser cutting gun 14 along the cutting route to complete the cutting operation.

[0043] like Figure 2 As shown, the laser cutting mechanism also includes a first motor 8 fixedly connected to the top of the top plate 7, and the driving end of the first motor 8 is fixedly connected to one of the rotating shafts 16. The first motor 8 provides power to rotate the rotating shaft 16 and the sprocket 37.

[0044] like Figure 1-Figure 4 As shown, the first lifting plate 13 has first guide rods 3 fixedly connected to both sides of the second hydraulic rod 23 at the bottom end thereof and passing through the fixed frame 1, and the second lifting plate 17 has second guide rods 9 fixedly connected to both sides of the first hydraulic rod 10 at the top end thereof and passing through the top plate 7. The first lifting plate 13 is limited by the first guide rods 3, and the second lifting plate 17 is limited by the second guide rods 9, so that the first lifting plate 13 and the second lifting plate 17 can only move in one direction, so as to prevent the first lifting plate 13 and the second lifting plate 17 from self-rotation and thus avoid affecting the clamping efficiency.

[0045] Working principle: First, the electric push rods 12 on both sides are started to move upward with the conveying device 5 through the support frame 11, so that the conveying device 5 is higher than the top of the bottom plate 2 and contacts the car top cover 32. At this time, the conveying device 5 is started to transport with the car top cover 32 until it reaches the position of the positioning mechanism. At this time, the second motors 34 on both sides are started to rotate the drive shaft 18, and the drive shaft 18 rotates with the transmission shaft 19 through the main bevel gear 26 and the auxiliary bevel gear 27. Since the main bevel gear 26 is mirror-set, the auxiliary bevel gears 27 on both sides can be made to rotate in opposite directions, so that the second positioning block 21 and the first positioning block 4 are turned inward and gradually contact the car top cover 32, so that the position of the car top cover 32 can be adjusted to make it in the position to be cut, so as to prevent the car top cover 32 itself from being damaged when cutting excess scraps, thereby ensuring the completion of the car top cover 32 and improving the cutting accuracy;

[0046] Further, the second hydraulic rod 23 is started to push the first lifting plate 13 to move in the direction close to the automobile top cover 32, and at the same time, the first fixing plate 24 and the first clamping block 22 are moved in the direction close to the automobile top cover 32. At the same time, the first hydraulic rod 10 is started to move the second lifting plate 17 in the direction close to the automobile top cover 32, and at the same time, the second fixing plate 33 and the second clamping block 29 are moved in the direction close to the automobile top cover 32, and the second clamping block 29 and the first clamping block 22 are made to contact the automobile top cover 32 and clamp it. During the clamping, the clamping force can be reduced by the cooperation of the first spring 31 and the second spring 35, so as to prevent the automobile top cover 32 from being deformed by the excessive clamping force, thereby avoiding affecting the quality of the automobile top cover 32 after cutting.

[0047] Furthermore, the first hydraulic rod 10 and the second hydraulic rod 23 are operated simultaneously to make the position where the automobile roof 32 needs to be cut close to the bottom end of the laser cutting gun 14. At this time, the first motor 8 is started to rotate one of the rotating shafts 16 and the sprocket 37. The remaining sprockets 37 can be rotated by the set chain 15, so that the laser cutting gun 14 can be moved along a specific route, and the laser cutting gun 14 can be used to cut excess scraps to ensure accurate cutting.

[0048] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A cutting system for automobile mold production, comprising a fixing frame (1), Features: The top sides of the fixed frame (1) are fixedly connected to a bottom plate (2), the tops of the two bottom plates (2) are fixedly connected to two fixed columns (6), the tops of the two groups of fixed columns (6) are fixedly connected to a top plate (7), the fixed frame (1) is provided with a loading and conveying mechanism, the bottom plate (2) is provided with a positioning mechanism, a buffer clamping mechanism is provided between the fixed frame (1) and the top plate (7), and the top plate (7) is provided with a laser cutting mechanism; The positioning mechanism comprises a second fixing seat (25) and a first fixing seat (20) fixedly connected to the top end of the bottom plate (2); the number of the second fixing seat (25) is two groups, and a first positioning block (4) is arranged between the two groups of the second fixing seats (25); the number of the first fixing seat (20) is two groups, and a second positioning block (21) is arranged between the two groups of the first fixing seats (20); the two groups of the first fixing seat (20) and the second fixing seat (25) gradually contact the automobile roof (32) when turning over, and position the position of the automobile roof (32); and the laser cutting mechanism is used to cut the automobile roof (32) after positioning; The buffer clamping mechanism comprises a first clamping block (22) and a second clamping block (29), wherein the number of the first clamping block (22) and the second clamping block (29) is four, and the arcuate surfaces of the four groups of the second clamping blocks (29) and the first clamping blocks (22) close to each other at one end are the same as the arcuate surfaces of the upper and lower ends of the automobile roof (32).

2. A cutting system for automobile mold production according to claim 1, Features: The buffer clamping mechanism also includes a second hydraulic rod (23) fixedly passing through the fixing frame (1); the telescopic end of the second hydraulic rod (23) is fixedly connected to a first lifting plate (13); the four corners of the top end of the first lifting plate (13) are fixedly connected to a first fixing plate (24); the top ends of the four first fixing plates (24) are each provided with a second groove (36); the bottom ends of the four second grooves (36) are each fixedly connected to a second spring (35); the four groups of the second springs (35) are fixedly connected to the first clamping block (22); and the second springs (35) can reduce the clamping force of the first clamping block (22) clamping the automobile roof (32).

3. A cutting system for automobile mold production according to claim 2, Features: The buffer clamping mechanism also includes a first hydraulic rod (10) fixedly passing through the top plate (7); the telescopic end of the first hydraulic rod (10) is fixedly connected to a second lifting plate (17); the four corners of the bottom end of the second lifting plate (17) are fixedly connected to second fixing plates (33); the bottom ends of the four second fixing plates (33) are each provided with a first groove (30); the top ends of the four first grooves (30) are each fixedly connected to a first spring (31); the four groups of the first springs (31) are fixedly connected to the second clamping block (29); the first spring (31) can reduce the clamping force of the second clamping block (29) clamping the automobile top cover (32).

4. A cutting system for automobile mold production according to claim 1, Features: The positioning mechanism further comprises a driving shaft (18) rotatably connected to the second fixed seat (25), the two driving shafts (18) being fixedly connected to the first positioning block (4), the outer walls of the two driving shafts (18) being symmetrically fixedly connected to main bevel gears (26), and a transmission shaft (19) rotatably connected to the first fixed seat (20), the two groups of transmission shafts (19) being fixedly connected to the second positioning block (21), the two groups of transmission shafts (19) being fixedly connected to a secondary bevel gear (27) at one end away from each other, and the two groups of secondary bevel gears (27) being meshingly connected to the main bevel gear (26).

5. A cutting system for automobile mold production according to claim 4, Features: The positioning mechanism also includes a vertical plate (28) fixedly connected to the top of the base plate (2) on one side corresponding to the drive shaft (18), one end of each of the two vertical plates (28) is fixedly connected to a second motor (34), and the drive ends of the two second motors (34) are fixedly connected to one end of the drive shaft (18).

6. A cutting system for automobile mold production according to claim 1, Features: The loading and conveying mechanism comprises electric push rods (12) symmetrically fixedly connected to the inner wall of the fixed frame (1), the telescopic ends of the two electric push rods (12) are fixedly connected to the support frame (11), the top ends of the two support frames (11) are fixedly connected to the conveying device (5), and the conveying device (5) is arranged at the top of the first lifting plate (13) and the inner side of the first fixed plate (24).

7. A cutting system for automobile mold production according to claim 1, Features: The laser cutting mechanism comprises a rotating shaft (16) rotatably connected to four sides of the bottom end of the top plate (7), the bottom ends of the four rotating shafts (16) are all fixedly connected to sprockets (37), and the four sprockets (37) are connected via a chain (15).

8. A cutting system for automobile mold production according to claim 7, Features: The bottom end of the chain (15) is fixedly connected to a laser cutting gun (14) via a fixing rod. The laser cutting gun (14) is arranged obliquely and the cutting position is close to the position of the automobile roof (32) to be cut.

9. A cutting system for automobile mold production according to claim 7, Features: The laser cutting mechanism further comprises a first motor (8) fixedly connected to the top of the top plate (7), and a driving end of the first motor (8) is fixedly connected to one of the rotating shafts (16).

10. A cutting system for automobile mold production according to claim 3, Features: The bottom end of the first lifting plate (13) corresponds to the first hydraulic rod (23) on both sides, which are fixedly connected to the first guide rods (3) and pass through the fixed frame (1); the top end of the second lifting plate (17) corresponds to the first hydraulic rod (10) on both sides, which are fixedly connected to the second guide rods (9) and pass through the top plate (7).

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