Steel coil flattening and cutting device for door leaf panel

Abstract

The invention discloses a steel coil flattening and cutting device for a door leaf panel, and belongs to the technical field of door leaf panel production, the steel coil flattening and cutting device comprises a base and a driving motor fixedly mounted on the rear side of the base, and a rotating shaft is fixedly mounted at the output end of the driving motor; through mutual cooperation of an n-shaped plate, a fixed plate, a pressing plate, a sliding rod, a reset spring A, a movable seat, a square limiting rod, a connecting plate, an L-shaped inserting rod, an L-shaped plate, a bearing plate, a mounting plate, a sliding rod A, a reset spring B, a movable block, a sliding rod B, a reset spring C and a trapezoidal block, pressing and bearing of one end of a steel coil can be achieved; according to the steel coil leveling and cutting device, one end of a steel coil does not need to be manually pulled to enter the leveling and cutting device, automatic clamping and automatic releasing of one end of the steel coil can be achieved under the action of the special-shaped inclined groove, namely, one end of the steel coil can be conveyed into the leveling and cutting device, the working intensity of workers is relieved, and meanwhile the leveling and cutting efficiency of the steel coil is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of door leaf panel production, in particular to a steel coil flattening and cutting device for door leaf panels. BACKGROUND

[0002] In the manufacturing process of door leaf panels, the quality of the steel coil as the basic raw material directly determines the flatness and aesthetics of the final product. Currently, the production usually requires uncoiling large-scale steel coils, multiple flattening and sizing cutting to obtain metal plates with accurate size and smooth surface. In actual production, door leaf panels are cut into individual sheets one by one from whole coils of steel coils, and then are welded together.

[0003] The existing steel coil flattening and cutting device for door leaf panels usually installs the steel coil on the rotating roller, and then the worker pulls one end of the steel coil to make it enter the flattening equipment. Since the steel coil is very heavy, this operation increases the work intensity of the worker and affects the cutting efficiency of the device, which is not conducive to quickly flattening and cutting the steel coil.

[0004] In view of the above problems, a steel coil flattening and cutting device for door leaf panels is proposed. SUMMARY

[0005] The purpose of the present application is to provide a steel coil flattening and cutting device for door leaf panels, which solves the problems in the above background by using the device.

[0006] To achieve the above purpose, the present application provides the following technical scheme: a steel coil flattening and cutting device for door leaf panels, comprising a base and a drive motor fixedly installed at the rear side of the base, the output end of the drive motor is fixedly installed with a rotating shaft, and the outer side of the rotating shaft is movably sleeved with a steel coil, the top of the base near the right rear side is provided with a translation plate, the right side of the base near the rear side is provided with a groove, and the rear side of the right side of the base is fixedly installed with a fixed seat, the left side of the top of the fixed seat is provided with a slot, and the right side of the top of the fixed seat is provided with a feeding table, and the right side of the feeding table is fixedly installed with a flattening and cutting device;

[0007] The supporting assembly is installed at the bottom of the steel coil.

[0008] The positioning assembly is installed at the top of the translation plate near the left side.

[0009] The pulling assembly is arranged on the inner wall of the inner cavity of the groove.

[0010] Further, the supporting assembly comprises a supporting seat mounted on the bottom of the steel coil, and a threaded sleeve fixedly mounted on the middle of the bottom of the supporting seat, and the bottom of the supporting seat is slidingly mounted on the base, and a threaded rod is threadedly mounted on the threaded sleeve near the bottom, and a side plate is fixedly mounted on the top of the base near the front and rear sides, and the rear end of the threaded rod is movably mounted on the side plate on the rear side, and the front end of the threaded rod movably extends to the side plate on the front side, and a servo motor A is arranged on the front end of the threaded rod, and the output end of the servo motor A is fixedly connected with the front end of the threaded rod.

[0011] Further, a supporting frame is fixedly mounted on the middle of the top of the servo motor A, and a supporting seat is fixedly mounted on the lower end of the supporting frame, and the rear side of the supporting seat is fixedly mounted on the base.

[0012] Further, the pulling assembly comprises a servo motor B fixedly mounted on the inner wall of the inner cavity of the groove, and a reciprocating screw rod fixedly mounted on the output end of the servo motor B, and the right end of the reciprocating screw rod is movably mounted on the inner wall of the inner cavity of the groove, and a screw nut is movably mounted on the outer side of the reciprocating screw rod near the left end, and a special-shaped connecting plate is fixedly mounted on the top of the screw nut, and the end of the special-shaped connecting plate away from the screw nut is fixedly mounted on the translation plate.

[0013] Further, a guide plate is fixedly mounted on the middle of the front and rear sides of the screw nut, and a guide rod is slidingly mounted on the guide plate, and the right end of the guide rod is fixedly mounted on the inner wall of the inner cavity of the groove.

[0014] Further, an L-shaped connecting rod is fixedly mounted on the bottom of the feeding table near the middle, and a fixed ball is fixedly mounted on the left end of the L-shaped connecting rod.

[0015] Further, the positioning assembly comprises an n-shaped plate fixedly mounted on the top of the translation plate near the left side, and a fixed plate fixedly mounted in the inner cavity of the n-shaped plate near the bottom, and a pressing plate is arranged above the top of the fixed plate, and a moving plate is fixedly mounted on the middle of the rear side of the pressing plate, and a moving opening is formed in the rear side of the n-shaped plate, and the moving plate passes through the inner cavity of the moving opening and is fixedly mounted with a moving seat, and an L-shaped inserting rod is fixedly mounted on the right side of the moving seat, and an L-shaped plate is fixedly mounted on the rear side of the fixed seat near the top, and a special-shaped inclined groove is formed in the L-shaped plate, and the end of the L-shaped inserting rod away from the moving seat passes through the inner cavity of the special-shaped inclined groove and extends to the outer side of the L-shaped plate, and a supporting plate is arranged on the right side of the pressing plate, and an L-shaped rectangular plate is fixedly mounted on the bottom of the supporting plate near the right side, and a trapezoidal block is fixedly mounted on the right side of the L-shaped rectangular plate.

[0016] The top of the pressing plate is fixedly mounted with a sliding rod near the front and rear sides, and the upper end of the sliding rod slidingly extends to the outer side of the n-shaped plate, and a reset spring A is sleeved on the outer side of the sliding rod, and the two ends of the reset spring A are fixedly mounted on the inner wall of the inner side of the n-shaped plate and the pressing plate, respectively.

[0017] Further, the mobile seat is slidably provided with a square limiting rod near the left and right sides, and the lower end of the square limiting rod is fixedly provided with a connecting plate.

[0018] Further, the middle part of the front and rear sides of the supporting plate is fixedly provided with a mounting plate, and the mounting plate is slidably provided with a sliding rod A, and the outer side of the sliding rod A is sleeved with a reset spring B, and the lower end of the sliding rod A is fixedly provided with a movable block, and the top of the translation plate is provided with two sliding grooves near the right side, and the sliding grooves are arranged in front and back, and the outer side of the movable block is slidably arranged in the inner cavity of the adjacent sliding groove, and the two ends of the reset spring B are fixedly arranged on the adjacent mounting plate and movable block, and the movable block is slidably provided with a sliding rod B, and the two ends of the sliding rod B are fixedly arranged on the inner wall of the adjacent sliding groove, and the left end of the outer side of the sliding rod B is sleeved with a reset spring C, and the two ends of the reset spring C are fixedly arranged on the adjacent movable block and the inner wall of the sliding groove.

[0019] Further, the middle part of the inner cavity of the rotating shaft is fixedly provided with a mounting seat, and the middle part of the four sides of the mounting seat is fixedly provided with a hydraulic push rod, and the power end of the hydraulic push rod is fixedly provided with a push plate, and the two sides of the outer side of the push plate are fixedly provided with a fixed rod, and the four sides of the outer side of the rotating shaft are provided with a rectangular opening, and the four sides of the outer side of the rotating shaft are provided with an arc-shaped opening plate, and the end of the fixed rod away from the adjacent push plate is arranged in the inner cavity of the adjacent rectangular opening, and is fixedly arranged on the adjacent arc-shaped opening plate.

[0020] Compared with the prior art, the beneficial effects of the present application are as follows:

[0021] 1. Through the cooperation between the n-shaped plate, the fixed plate, the pressing plate, the sliding rod, the reset spring A, the mobile seat, the square limiting rod, the connecting plate, the L-shaped inserting rod, the L-shaped plate, the supporting plate, the mounting plate, the sliding rod A, the reset spring B, the movable block, the sliding rod B, the reset spring C and the trapezoidal block, the one end of the steel coil can be pressed and supported, and the one end of the steel coil does not need to be manually pulled into the flattening and cutting device, and through the cooperation between the servo motor B, the reciprocating screw rod, the screw nut, the guide plate, the guide rod and the special-shaped connecting plate, the translation plate can be driven to move to the right, the one end of the steel coil can be pulled to the right, and under the action of the special-shaped inclined chute, the one end of the steel coil can be automatically clamped and automatically released, that is, the one end of the steel coil can be conveyed into the flattening and cutting device, the working intensity of the workers is reduced, and the efficiency of the flattening and cutting of the steel coil is improved.

[0022] 2, through the mutual cooperation between the supporting seat, threaded sleeve, threaded rod, side plate, servo motor A, support frame and support seat these components, play a role to support the steel coil, but also can drive the steel coil before and after the move, to its transport to the outside of the rotating shaft, and through the installation seat, hydraulic push rod, push plate, fixed rod and arc-shaped opening plate these components between the mutual cooperation, can drive the four side arc-shaped opening plate to move to the outside, play a role to the steel coil opening fixed, without staff to carry it to the rotating shaft, further improve the efficiency of the device leveling cutting. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the overall perspective view of the present application;

[0024] Figure 2 It is the rear side perspective view of the present application;

[0025] Figure 3 It is the local rear side view of the present application;

[0026] Figure 4 It is the local sectional view of the present application;

[0027] Figure 5 It is the local structure perspective view of the present application;

[0028] Figure 6 It is the local structure perspective view of the present application;

[0029] Figure 7 It is the local structure perspective view of the present application;

[0030] Figure 8 It is the local structure perspective view of the present application;

[0031] Figure 9 It is the local structure perspective view of the present application; Figure 7 Enlarged view of A in the present application.

[0032] In the figure: 1, base; 2, drive motor; 3, rotating shaft; 31, mounting seat; 32, hydraulic push rod; 33, push plate; 34, fixed rod; 35, arc-shaped strutting plate; 4, supporting assembly; 41, supporting seat; 42, threaded sleeve; 43, threaded rod; 44, side plate; 45, servo motor A; 451, support frame; 452, support seat; 5, translation plate; 6, positioning assembly; 61, n-shaped plate; 62, fixed plate; 63, pressing plate; 631, sliding rod; 632, reset spring A; 64, moving seat; 641, square limiting rod; 642, connecting plate; 65, L-shaped inserting rod; 66, L-shaped plate; 67, supporting plate; 671, mounting plate; 672, sliding rod A; 673, reset spring B; 674, movable block; 675, sliding rod B; 676, reset spring C; 68, trapezoidal block; 7, fixed seat; 8, pulling assembly; 81, servo motor B; 82, reciprocating screw rod; 83, screw nut; 831, guide plate; 832, guide rod; 84, special-shaped connecting plate; 9, feeding table; 91, fixed ball; 10, leveling and cutting device. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0034] To solve the technical problems, as shown in Figure 1 Figure 9 The following preferred technical solutions are provided: a steel coil leveling and cutting device for door leaf panels, comprising a base 1 and a drive motor 2 fixedly installed at the rear side of the base 1, an output end of the drive motor 2 being fixedly installed with a rotating shaft 3, an outer side of the rotating shaft 3 being movably sleeved with a steel coil, a translation plate 5 being arranged at the top of the base 1 near the right rear side, an opening being formed at the right side of the top of the translation plate 5, a diameter of an inner cavity of the opening being greater than a diameter of a feeding table 9, a recess being formed at the right side of the base 1 near the rear side, a fixed seat 7 being fixedly installed at the rear side of the right side of the base 1, a slot being formed at the left side of the top of the fixed seat 7, the feeding table 9 being arranged at the right side of the top of the fixed seat 7, and a leveling and cutting device 10 being fixedly installed at the right side of the feeding table 9.

[0035] The supporting assembly 4 is installed at the bottom of the steel coil.

[0036] The positioning assembly 6 is installed at the top of the translation plate 5 near the left side.

[0037] The pulling assembly 8 is arranged on the inner wall of the recess inner cavity. ​

[0038] Specifically, the supporting assembly 4 comprises a supporting seat 41 mounted at the bottom of the steel coil and a threaded sleeve 42 fixedly mounted at the middle of the bottom of the supporting seat 41, the bottom of the supporting seat 41 is slidingly mounted on the base 1, the threaded sleeve 42 is threadedly penetrated and mounted with a threaded rod 43 near the bottom, the top of the base 1 is fixedly mounted with side plates 44 near the front and rear sides, the rear end of the threaded rod 43 is movably mounted on the side plate 44 at the rear side, the front end of the threaded rod 43 movably extends to the side plate 44 at the front side, and the front end of the threaded rod 43 is provided with a servo motor A 45, and the output end of the servo motor A 45 is fixedly connected with the front end of the threaded rod 43.

[0039] Specifically, the supporting assembly 4 comprises a supporting seat 41 mounted at the bottom of the steel coil and a threaded sleeve 42 fixedly mounted at the middle of the bottom of the supporting seat 41, the bottom of the supporting seat 41 is slidingly mounted on the base 1, the threaded sleeve 42 is threadedly penetrated and mounted with a threaded rod 43 near the bottom, the top of the base 1 is fixedly mounted with side plates 44 near the front and rear sides, the rear end of the threaded rod 43 is movably mounted on the side plate 44 at the rear side, the front end of the threaded rod 43 movably extends to the side plate 44 at the front side, and the front end of the threaded rod 43 is provided with a servo motor A 45, and the output end of the servo motor A 45 is fixedly connected with the front end of the threaded rod 43.

[0040] Specifically, the pulling assembly 8 comprises a servo motor B 81 fixedly mounted on the inner wall of the groove inner cavity and a reciprocating screw rod 82 fixedly mounted at the output end of the servo motor B 81, the right end of the reciprocating screw rod 82 is movably mounted on the inner wall of the slotted inner cavity, and the outer side of the reciprocating screw rod 82 is movably mounted with a screw nut 83 near the left end, the middle of the top of the screw nut 83 is fixedly mounted with a special-shaped connecting plate 84, and the end of the special-shaped connecting plate 84 away from the screw nut 83 is fixedly mounted on the translation plate 5, which can drive the translation plate 5 to move back and forth and left and right, and serves as an end of the steel coil pulling.

[0041] Specifically, the middle of the front and rear sides of the screw nut 83 is fixedly mounted with a guide plate 831, and the guide plate 831 is slidingly penetrated and mounted with a guide rod 832, the right end of the guide rod 832 is fixedly mounted on the inner wall of the slotted inner cavity, and serves as a guide limiting when the screw nut 83 moves, so as to stably move left and right.

[0042] Specifically, the bottom of the feeding table 9 is fixedly mounted with an L-shaped connecting rod near the middle, and the left end of the L-shaped connecting rod is fixedly mounted with a fixed ball 91.

[0043] Specifically, the positioning assembly 6 comprises an n-shaped plate 61 fixedly installed on the top of the translation plate 5 near the left side, a fixed plate 62 fixedly installed in the inner cavity of the n-shaped plate 61 near the bottom, a pressing plate 63 arranged above the top of the fixed plate 62, a moving plate fixedly installed at the middle of the rear side of the pressing plate 63, a moving hole formed in the rear side of the n-shaped plate 61, the rear side of the moving plate penetrating through the inner cavity of the moving hole, a moving seat 64 fixedly installed, an L-shaped insertion rod 65 fixedly installed at the right side of the moving seat 64, an L-shaped plate 66 fixedly installed at the rear side of the fixed seat 7 near the top, a special-shaped chute formed in the L-shaped plate 66, one end of the L-shaped insertion rod 65 away from the moving seat 64 penetrating through the inner cavity of the special-shaped chute and extending to the outer side of the L-shaped plate 66, and a supporting plate 67 arranged at the right side of the pressing plate 63, an L-shaped rectangular plate fixedly installed at the bottom of the supporting plate 67 near the right side, and a trapezoidal block 68 fixedly installed at the right side of the L-shaped rectangular plate, so as to automatically clamp and release one end of the steel roll, without manually pulling one end of the steel roll to the flattening and cutting equipment 10, thereby reducing the working strength of the workers.

[0044] Specifically, the top of the pressing plate 63 is fixedly installed with sliding rods 631 near the front and rear sides, the upper ends of the sliding rods 631 are slidingly extended to the outer side of the n-shaped plate 61, the outer sides of the sliding rods 631 are sleeved with return springs A 632, and the two ends of the return springs A 632 are fixedly installed on the inner wall of the inner side of the n-shaped plate 61 and the pressing plate 63 respectively, so as to facilitate the movement and recovery of the pressing plate 63.

[0045] Specifically, square limiting rods 641 are slidingly and penetratingly installed on the moving seat 64 near the left and right sides, the lower ends of the square limiting rods 641 are fixedly installed with a connecting plate 642, the front side of the connecting plate 642 is fixedly installed on the translation plate 5, and the connecting plate 642 serves to move and recover the moving seat 64.

[0046] Specifically, the middle part of the front and rear sides of the supporting plate 67 is fixedly installed with the mounting plate 671, and the sliding rod A 672 is slidably penetrated into the mounting plate 671, the outer side of the sliding rod A 672 is sleeved with the reset spring B 673, and the lower end of the sliding rod A 672 is fixedly installed with the movable block 674. The top of the translation plate 5 is provided with two sliding grooves near the right side, the sliding grooves are arranged front and rear, and the outer side of the movable block 674 is slidably installed in the inner cavity of the adjacent sliding groove. The two ends of the reset spring B 673 are fixedly installed on the adjacent mounting plate 671 and movable block 674, respectively. The sliding rod B 675 is slidably penetrated into the movable block 674, and the two ends of the sliding rod B 675 are fixedly installed on the inner wall of the adjacent sliding groove cavity. The left end of the outer side of the sliding rod B 675 is sleeved with the reset spring C 676, and the two ends of the reset spring C 676 are fixedly installed on the adjacent movable block 674 and the inner wall of the sliding groove cavity. It is beneficial to the downward and leftward movement and recovery of the supporting plate 67. In addition, through the cooperation of the trapezoidal block 68 and the fixed ball 91, the translation plate 5 can be driven to move downward when moving to the right side, avoiding affecting the right conveying of the steel coil.

[0047] Specifically, the middle part of the inner cavity of the rotating shaft 3 is fixedly installed with the mounting seat 31, and the middle part of the four sides of the mounting seat 31 is fixedly installed with the hydraulic push rod 32. The power end of the hydraulic push rod 32 is fixedly installed with the push plate 33, the two sides of the outer side of the push plate 33 are fixedly installed with the fixed rod 34, and the outer side of the rotating shaft 3 is provided with a rectangular opening on the four sides. The outer side of the rotating shaft 3 is provided with an arc-shaped opening plate 35, one end of the fixed rod 34 away from the adjacent push plate 33 penetrates through the inner cavity of the adjacent rectangular opening and is fixedly installed on the adjacent arc-shaped opening plate 35, which can drive the four arc-shaped opening plates 35 to move outward and fix the steel coil.

[0048] Working principle: in use, workers can place the steel roll on the support seat 41, after the completion of the placement can make servo motor A45 operation, servo motor A45 operation will drive the threaded rod 43 rotation, threaded rod 43 rotation will drive the support seat 41 through the threaded sleeve 42 to move backward, the support seat 41 backward movement will drive the steel roll to move backward, so that the steel roll into the rotating shaft 3 outside, at this time can make the four sides of the hydraulic push rod 32 operation, the hydraulic push rod 32 operation will drive the adjacent push plate 33 to move outward, the push plate 33 outward movement will drive the arc-shaped support plate 35 through the fixed rod 34 to move outward, can play the role of the steel roll to open and fix, after the completion of the fixing can make the support seat 41 move forward to restore, then the workers can pull one end of the steel roll, and placed on the pressure plate 63 and support plate 67, and at this time the end of the steel roll is located outside the support plate 67, after the completion of the placement can make servo motor B81 operation, servo motor B81 operation will drive the reciprocating screw rod 82 rotation, the reciprocating screw rod 82 rotation will drive the screw nut 83 to move right, and the screw nut 83 right movement will drive the flat plate 5 through the special-shaped connecting plate 84 to move right, the flat plate 5 right movement will drive the L-shaped plug-in rod 65 to move right, and the L-shaped plug-in rod 65 right movement will move downward under the action of the special-shaped inclined groove, so as to drive the moving seat 64 and the moving plate to drive the pressure plate 63 to move downward, play the role of the steel roll clamping positioning, beneficial to drive it with the flat plate 5 right pull, play the role of the steel roll right conveying, when moving to a certain distance will make the trapezoidal block 68 contact with the fixed ball 91, and with continue to move right will drive the trapezoidal block 68 to move downward under the action of the fixed ball 91, and extrude the return spring B673, at this time the flat plate 5 will continue to move right, also can make one end of the steel roll conveying to the feeding table 9, and when the L-shaped plug-in rod 65 continues to move right in the special-shaped inclined groove will drive the pressure plate 63 to move upward, so as to release the fixation of one end of the steel roll, when the release of the steel roll, at this time one end of the steel roll will enter into the leveling and cutting equipment 10, through the operation of the leveling and cutting equipment 10 will drive the steel roll to move right and leveling and cutting.

[0049] It should be noted that in this document, the terms "first" and "second" and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0050] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A steel coil flattening and cutting device for door panel, comprising a base (1) and a drive motor (2) fixedly installed on the rear side of the base (1), characterized in that: The output end of the drive motor (2) is fixedly installed with a rotating shaft (3), and a steel coil is movably sleeved on the outside of the rotating shaft (3). A translation plate (5) is provided on the top of the base (1) near the right rear side. A groove is provided on the right side of the base (1) near the rear side. A fixed seat (7) is fixedly installed on the rear side of the right side of the base (1). A slot is provided on the left side of the top of the fixed seat (7). A loading platform (9) is provided on the right side of the top of the fixed seat (7). A leveling and cutting device (10) is fixedly installed on the right side of the loading platform (9). Support assembly (4) is installed at the bottom of the steel coil; Positioning component (6) is installed on the top of the translation plate (5) near the left side; Pulling component (8) is disposed on the inner wall of the groove cavity.

2. The steel coil flattening and cutting device for door panel according to claim 1, characterized in that: The support assembly (4) includes a support seat (41) fitted to the bottom of the steel coil and a threaded sleeve (42) fixedly installed at the middle of the bottom of the support seat (41). The bottom of the support seat (41) is slidably installed on the base (1). A threaded rod (43) is threaded through the threaded sleeve (42) near the bottom. Side plates (44) are fixedly installed on the top of the base (1) near the front and rear sides. The rear end of the threaded rod (43) is movably installed on the rear side plate (44). The front end of the threaded rod (43) extends movably through to the front side plate (44). A servo motor A (45) is provided at the front end of the threaded rod (43). The output end of the servo motor A (45) is fixedly connected to the front end of the threaded rod (43).

3. The steel coil flattening and cutting device for door panel according to claim 2, characterized in that: A support frame (451) is fixedly installed at the middle of the top of the servo motor A (45), and a support base (452) is fixedly installed at the lower end of the support frame (451). The rear side of the support base (452) is fixedly installed on the base (1).

4. The steel coil flattening and cutting device for door panel according to claim 1, characterized in that: The pulling assembly (8) includes a servo motor B (81) fixedly installed on the inner wall of the groove cavity and a reciprocating lead screw (82) fixedly installed at the output end of the servo motor B (81). The right end of the reciprocating lead screw (82) is movably installed on the inner wall of the groove cavity, and a lead screw nut (83) is movably installed on the outer side of the reciprocating lead screw (82) near the left end. A special-shaped connecting plate (84) is fixedly installed at the middle of the top of the lead screw nut (83), and the end of the special-shaped connecting plate (84) away from the lead screw nut (83) is fixedly installed on the translation plate (5).

5. The steel coil flattening and cutting device for door panel according to claim 4, characterized in that: Guide plates (831) are fixedly installed at the middle of both the front and rear sides of the lead screw nut (83), and guide rods (832) are slidably installed through the guide plates (831). The right ends of the guide rods (832) are fixedly installed on the inner wall of the slotted cavity.

6. The steel coil flattening and cutting device for door panel according to claim 1, characterized in that: An L-shaped connecting rod is fixedly installed at the bottom of the loading platform (9) near the middle, and a fixed ball (91) is fixedly installed at the left end of the L-shaped connecting rod.

7. The steel coil flattening and cutting device for door panel according to claim 1, characterized in that: The positioning component (6) includes an n-shaped plate (61) fixedly installed on the top of the translation plate (5) near the left side and a fixed plate (62) fixedly installed in the inner cavity of the n-shaped plate (61) near the bottom. A pressure plate (63) is provided above the top of the fixed plate (62). A movable plate is fixedly installed in the middle of the rear side of the pressure plate (63). A movable opening is provided on the rear side of the n-shaped plate (61). The rear side of the movable plate passes through the inner cavity of the movable opening and is fixedly installed with a movable seat (64). The right side of the movable seat (64) is fixed. An L-shaped insert rod (65) is installed, and an L-shaped plate (66) is fixedly installed on the rear side of the fixed seat (7) near the top. An irregular inclined groove is opened on the L-shaped plate (66). The end of the L-shaped insert rod (65) away from the moving seat (64) passes through the inner cavity of the irregular inclined groove and extends to the outside of the L-shaped plate (66). A support plate (67) is provided on the right side of the pressure plate (63). An L-shaped rectangular plate is fixedly installed on the bottom of the support plate (67) near the right side. A trapezoidal block (68) is fixedly installed on the right side of the L-shaped rectangular plate. The top of the pressure plate (63) is fixedly installed with sliding rods (631) near the front and rear sides. The upper ends of the sliding rods (631) slide through and extend to the outside of the n-shaped plate (61). The outer side of the sliding rods (631) is fitted with a return spring A (632). The two ends of the return spring A (632) are fixedly installed on the inner wall of the n-shaped plate (61) and the pressure plate (63), respectively.

8. The steel coil flattening and cutting device for door panel according to claim 7, characterized in that: Square limiting rods (641) are slidably installed on both the left and right sides of the movable seat (64), and a connecting plate (642) is fixedly installed on the lower end of the square limiting rods (641). The front side of the connecting plate (642) is fixedly installed on the translation plate (5).

9. A steel coil flattening and cutting device for door panel according to claim 7, characterized in that: Mounting plates (671) are fixedly installed at the middle of both the front and rear sides of the support plate (67), and sliding rods A (672) are slidably installed through the mounting plates (671). Return springs B (673) are sleeved on the outer side of each sliding rod A (672), and movable blocks (674) are fixedly installed at the lower end of each sliding rod A (672). Two sliding grooves are opened at the top of the translation plate (5) near the right side. The sliding grooves are arranged front and rear, and the outer side of each movable block (674) is slidably installed in the inner cavity of the adjacent sliding groove. In the middle, the two ends of the return spring B (673) are fixedly installed on the adjacent mounting plate (671) and the movable block (674) respectively. The movable block (674) is slidably installed with a slide rod B (675). The two ends of the slide rod B (675) are fixedly installed on the inner wall of the adjacent sliding groove cavity respectively. The left end of the slide rod B (675) is fitted with a return spring C (676). The two ends of the return spring C (676) are fixedly installed on the adjacent movable block (674) and the inner wall of the sliding groove cavity respectively.

10. A steel coil flattening and cutting device for door panel according to claim 1, characterized in that: A mounting base (31) is fixedly installed in the middle of the inner cavity of the rotating shaft (3), and hydraulic push rods (32) are fixedly installed in the middle of the four sides of the mounting base (31). Push plates (33) are fixedly installed at the power ends of the hydraulic push rods (32). Fixing rods (34) are fixedly installed on both sides of the outer side of the push plate (33). Rectangular openings are opened on the four sides of the outer side of the rotating shaft (3), and arc-shaped support plates (35) are provided on the four sides of the outer side of the rotating shaft (3). The end of the fixing rod (34) away from the adjacent push plate (33) passes through the inner cavity of the adjacent rectangular opening and is fixedly installed on the adjacent arc-shaped support plates (35).

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