Heavy truck type battery charging and replacing frame production device

Abstract

The invention discloses a heavy truck type battery charging and replacing frame production device which comprises two L-shaped seats, four supporting columns are fixed to the bottoms of the two L-shaped seats, a plurality of steel materials are slidably connected to the two L-shaped seats, and a storage box is fixed between the tops of the two L-shaped seats. An automatic feeding mechanism for intermittently pushing and feeding a plurality of pieces of steel is arranged between the two L-shaped seats; and the automatic feeding mechanism comprises a mounting seat arranged below the two L-shaped seats. The invention relates to the technical field of production of charging and battery replacing equipment. According to the heavy truck type battery charging and replacing frame production device, through the arrangement of the automatic feeding mechanism, automatic intermittent feeding of steel stacked in the storage box is achieved, manual feeding operation is not needed, the steel is made to move leftwards in sequence in order, a foundation is laid for the subsequent welding step, the automation degree is high, and the production efficiency is improved. And the welding production efficiency of the heavy truck type battery charging and replacing frame is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of production of charging and swapping equipment, and in particular to a production device for a heavy-duty truck charging and swapping frame. Background Art

[0002] With the rapid development of electric vehicles, especially heavy trucks, the construction of charging and swapping infrastructure is becoming increasingly critical. As a core component that carries and connects charging components and realizes the function of rapid battery replacement, the heavy truck charging and swapping frame has extremely high quality and precision requirements.

[0003] During the production process of heavy-duty truck charging and swapping frames, multiple high-strength steels need to be welded together. However, there is a lack of automated loading mechanisms to automatically load the steels before assembly and welding. Frequent manual loading is often required, and the loading efficiency is low. In addition, during the pre-treatment processes such as cutting and grinding, fine steel chips will be generated, and external dust and impurities are easily adhered to the steel. If these steel chips and dust impurities remain on the surface of the steel, they will affect the subsequent welding quality. In this regard, we proposed a heavy-duty truck charging and swapping frame production device to solve the above problems. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a heavy-duty card charging and swapping frame production device, which solves the problems raised in the background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A heavy-duty truck charging and swapping frame production device, comprising two L-shaped seats, four support columns are fixed at the bottom of the two L-shaped seats, a plurality of steel materials are slidably connected to the two L-shaped seats, a material storage box is fixed between the tops of the two L-shaped seats, and an automatic feeding mechanism for intermittently pushing and feeding the plurality of steel materials is arranged between the two L-shaped seats; The automatic feeding mechanism includes a mounting seat arranged below the two L-shaped seats, two vertical plates are fixed on both sides of the mounting seat, one side of the four vertical plates is fixed to one side of the L-shaped seat, a T-slot is provided on the top of the mounting seat, the inner surface of the T-slot is slidably connected with the T-shaped seat, the T-shaped seat is rotatably connected with the L-shaped frame through a plurality of rotating shafts, a sliding groove is provided through the bottom of the mounting seat, a fixing plate is fixed to the bottom of the mounting seat, one side of the fixing plate is rotatably connected with a rotating arm 1, one end of the rotating arm 1 is rotatably connected with a rotating arm 2 through a pin shaft, one end of the rotating arm 2 is rotatably connected to the bottom of the T-shaped seat, and a motor 1 is fixed to the other side of the vertical plate, and the motor 1 drives the rotating arm 1 to rotate.

[0006] Preferably, a mounting frame is provided on one side of the support column, and a conveyor belt is provided on the mounting frame.

[0007] Preferably, a lifting and rotating assembly is provided between the mounting frame and the supporting column to drive the steel to lift up and rotate 180 degrees, and the lifting and rotating assembly includes a connecting plate fixed between the supporting column and one side of the mounting frame, a U-shaped plate is fixed to one side of the connecting plate, a slide plate is slidably connected to the inner surface of the U-shaped plate, an arc frame is fixed to one side of the slide plate, and a rotating wheel is rotatably connected to the top of the U-shaped plate.

[0008] Preferably, a moving column is slidably connected to the inside of the rotating wheel, and an annular groove is provided on the outer surface of the moving column, two cross bars are fixed on one side of the slide, and the two cross bars are clamped in the annular groove, and limiting strips are fixed on both sides of the moving column, and two limiting grooves are provided on the inner surface of the rotating wheel, and the two limiting strips are located in the limiting grooves, and the outer surfaces of the limiting strips are slidably connected to the inner surfaces of the limiting grooves, and a support plate is fixed to the top of the moving column, and a cross arc groove is provided on the surface of the rotating wheel, and through grooves are provided on both sides of the rotating wheel, and the through grooves are connected to the cross arc grooves, and a rotating rod is rotatably connected to one side of the mounting frame, and a second motor is fixed to the other side of the mounting frame, and the second motor drives the rotating rod to rotate.

[0009] Preferably, two fixing rods are fixed on the rotating rod, and two T-shaped arc plates are also fixed on the rotating rod, one end of the two fixing rods slides in the cross arc groove, and the two T-shaped arc plates pass through the through groove when rotating, a pulley 1 is fixed to the outer surface of the rotating rod, a pulley 2 is rotatably connected to one side of the support column, and the pulley 2 is connected to the pulley 1 through a belt transmission, a crank is fixed on the output shaft of the pulley 2, one end of the crank extends to the interior of the arc frame, and one end of the crank slides in the arc frame.

[0010] Preferably, a U-shaped cover is fixed between the tops of the two L-shaped seats, a fan is fixed on one side of the U-shaped cover, a plurality of bristles are fixed on the top wall of the U-shaped cover, and an inclined plate is fixed between opposite sides of the inner walls of the U-shaped cover.

[0011] Preferably, an elastic pushing unit for pushing the steel on the pallet to fall onto the conveyor belt is provided on one side of the U-shaped cover, and the elastic pushing unit includes a U-shaped seat fixed on one side of the U-shaped cover, and rollers are rotatably connected between opposite sides of the inner wall of the U-shaped seat, and a motor three is fixed on one side of the U-shaped seat, and the motor three drives the roller to rotate.

[0012] Preferably, a Z-shaped arc groove is opened on the surface of the rotating roller, two mounting rods are fixed between the inner walls of the U-shaped seat, a movable seat is slidably connected between the outer surfaces of the two mounting rods, springs are sleeved on the outer surfaces of the two mounting rods, one end of the two springs is fixed to one side of the movable seat, and the other ends of the two springs are fixed to the inner wall of the U-shaped seat, folding rods are fixed on both sides of the movable seat, and push plates are fixed to one end of the two folding rods.

[0013] Beneficial Effects The present invention provides a heavy-duty truck charging and swapping frame production device. Compared with the prior art, it has the following beneficial effects: (1) Through the setting of the automatic feeding mechanism, the stacked steel in the storage box can be fed automatically and intermittently without manual feeding operation, so that the steel can be moved to the left in an orderly manner, laying a good foundation for the subsequent welding steps. The high degree of automation improves the welding production efficiency of the heavy-duty truck charging and swapping frame.

[0014] (2) Through the setting of the lifting and rotating assembly, the steel can be lifted up and automatically rotated 180 degrees. In cooperation with the fan, the fan blows out air to evenly blow dust around the steel. At the same time, the steel comes into contact with the bristles after being lifted up. During the 180-degree rotation, the bristles brush away the dust and impurities on the top of the steel, realizing the automatic and rapid removal of steel chips and dust impurities on the surface of the steel, thereby improving the subsequent welding quality.

[0015] (3) Through the setting of the elastic pushing unit, the steel materials cleaned on the pallet can be automatically impacted and discharged, and the steel materials can be quickly pushed onto the inclined plate and slid onto the conveyor belt for transmission and feeding. There is no need for manual material removal, which is convenient for connection with further welding operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the external structure of the present invention; Figure 2 The three-dimensional structure of the automatic feeding mechanism of the present invention Figure 1 ; Figure 3 The three-dimensional structure of the automatic feeding mechanism of the present invention Figure 2 ; Figure 4 It is a three-dimensional diagram of the lifting and rotating assembly of the present invention; Figure 5 For the present invention Figure 4 A partial enlarged view of the middle A; Figure 6 It is a three-dimensional diagram of the elastic pusher unit of the present invention; Figure 7 It is a local structural stereogram of the present invention.

[0017] In the figure: 1. L-shaped seat; 2. Support column; 3. Steel; 4. Storage box; 5. Automatic feeding mechanism; 6. Mounting frame; 7. Conveyor belt; 8. Lifting and rotating assembly; 9. U-shaped cover; 10. Fan; 11. Brush; 12. Inclined plate; 13. Elastic pushing unit; 51. Mounting seat; 52. Vertical plate; 53. T-shaped slot; 54. T-shaped seat; 55. Rotating shaft; 56. L-shaped frame; 57. Slide; 58. Fixed plate; 59. Rotating arm 1; 510. Rotating arm 2; 511. Motor 1; 81. Connecting plate; 82. U-shaped plate; 83. Arc frame; 84. Rotating wheel; 8 5. Moving column; 86. Annular groove; 87. Cross bar; 88. Limiting strip; 89. Limiting groove; 810. Support plate; 811. Cross arc groove; 812. Through groove; 813. Rotating rod; 814. Motor 2; 815. Fixed rod; 816. T-shaped arc plate; 817. Pulley 1; 818. Pulley 2; 819. Belt; 820. Crank; 821. Slide plate; 131. U-shaped seat; 132. Rotating roller; 133. Motor 3; 134. Z-shaped arc groove; 135. Mounting rod; 136. Moving seat; 137. Spring; 138. Folding rod; 139. Push plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] The present invention provides three technical solutions, including the following embodiments: Example 1 See also Figure 1-Figure 3 A heavy-duty card charging and swapping frame production device comprises two L-shaped seats 1, four support columns 2 are fixed at the bottom of the two L-shaped seats 1, the support columns 2 provide support for the two L-shaped seats 1, a plurality of steel materials 3 are slidably connected to the two L-shaped seats 1, and the plurality of steel materials 3 are welded and assembled to form a heavy-duty card charging and swapping frame, a material storage box 4 is fixed between the tops of the two L-shaped seats 1, the top and bottom of the material storage box 4 are both open-type designs, the steel materials 3 are stacked in the material storage box 4, and the bottommost steel material 3 falls onto the L-shaped seat 1 to wait for loading, and an automatic loading mechanism 5 for intermittently pushing and loading the plurality of steel materials 3 is arranged between the two L-shaped seats 1; The automatic feeding mechanism 5 includes a mounting seat 51 arranged below the two L-shaped seats 1, two vertical plates 52 are fixed on both sides of the mounting seat 51, one side of the four vertical plates 52 is fixed to one side of the L-shaped seat 1, a T-shaped slot 53 is provided on the top of the mounting seat 51, a T-shaped seat 54 is slidably connected to the inner surface of the T-shaped slot 53, the T-shaped seat 54 is adapted to the size of the T-shaped slot 53, the T-shaped seat 54 is rotatably connected to the L-shaped frame 56 through multiple rotating shafts 55, and a slide groove 57 is provided through the bottom of the mounting seat 51 A fixing plate 58 is fixed to the bottom of the mounting seat 51, and a rotating arm 59 is rotatably connected to one side of the fixing plate 58. One end of the rotating arm 59 is rotatably connected to a rotating arm 2 510 through a pin shaft. One end of the rotating arm 2 510 is rotatably connected to the bottom of the T-shaped seat 54. A motor 511 is fixed to the other side of the vertical plate 52. The motor 511 is controlled by an external switch and is electrically connected to an external power supply. The motor 511 drives the rotating arm 59 to rotate, and the output end of the motor 511 is fixed to one end of the rotating arm 59.

[0020] By setting up the automatic feeding mechanism 5, the stacked steels 3 in the storage box 4 can be fed intermittently automatically without manual feeding operation, so that the steels 3 can be moved to the left in an orderly manner, laying a good foundation for subsequent welding steps. The high degree of automation improves the welding production efficiency of the heavy-duty card charging and swapping frame.

[0021] A mounting frame 6 is provided on one side of the support column 2, and a conveyor belt 7 is provided on the mounting frame 6. The conveyor belt 7 is controlled by an external switch and is electrically connected to an external power supply. After the conveyor belt 7 is started, the steel 3 is transported to the left and the steel 3 is transported to the welding equipment for welding processing.

[0022] Example 2 Based on Example 1, see Figure 4-Figure 5 As shown, a lifting and rotating assembly 8 is provided between the mounting frame 6 and the supporting column 2 to drive the steel material 3 to be lifted and rotated 180 degrees. The lifting and rotating assembly 8 includes a connecting plate 81 fixed between the supporting column 2 and one side of the mounting frame 6. A U-shaped plate 82 is fixed to one side of the connecting plate 81. A slide plate 821 is slidably connected to the inner surface of the U-shaped plate 82. The size of the slide plate 821 is matched with that of the U-shaped plate 82. An arc frame 83 is fixed to one side of the slide plate 821. A rotating wheel 84 is rotatably connected to the top of the U-shaped plate 82.

[0023] The inner surface of the rotating wheel 84 is slidably connected with a moving column 85, and an annular groove 86 is provided on the outer surface of the moving column 85. Two cross bars 87 are fixed on one side of the slide plate 821. The two cross bars 87 are clamped in the annular groove 86. The cross bars 87 provide support for the moving column 85 without hindering the rotation of the moving column 85. Limiting bars 88 are fixed on both sides of the moving column 85. Two limiting grooves 89 are provided on the inner surface of the rotating wheel 84. The sizes of the limiting bars 88 and the limiting grooves 89 are adapted. The setting of the limiting bars 88 and the limiting grooves 89 can drive the rotating wheel 84 and the moving column 85 to rotate at the same time. The two limiting bars 88 are located in the limiting grooves 89, and the limiting bars 88 and the limiting grooves 89 can drive the rotating wheel 84 and the moving column 85 to rotate at the same time. The outer surface of the positioning bar 88 is slidably connected to the inner surface of the limiting groove 89, a support plate 810 is fixed to the top of the movable column 85, and the steel 3 can fall onto the support plate 810. A cross arc groove 811 is provided on the surface of the rotating wheel 84, and through grooves 812 are provided on both sides of the rotating wheel 84. The through grooves 812 are connected to the cross arc groove 811. A rotating rod 813 is rotatably connected to one side of the mounting frame 6, and a second motor 814 is fixed to the other side of the mounting frame 6. The second motor 814 is controlled by an external switch and is electrically connected to an external power supply. The second motor 814 drives the rotating rod 813 to rotate, and the output end of the second motor 814 is fixed to one end of the rotating rod 813 through a coupling.

[0024] Two fixed rods 815 are fixed on the rotating rod 813, and two T-shaped arc plates 816 are also fixed on the rotating rod 813. One end of the two fixed rods 815 slides in the cross arc groove 811. When the fixed rod 815 slides in the cross arc groove 811, it drives the rotating wheel 84 to rotate 180 degrees. The two T-shaped arc plates 816 pass through the through groove 812 when rotating. A pulley 1 817 is fixed on the outer surface of the rotating rod 813, and a pulley 2 818 is rotatably connected to one side of the support column 2. The pulley 2 818 is connected to the pulley 1 817 through a belt 819. A crank 820 is fixed on the output shaft of the pulley 2 818. One end of the crank 820 extends to the inside of the arc frame 83, and one end of the crank 820 slides in the arc frame 83. When the crank 820 rotates downward, it drives the movable column 85 to move downward for reset. When the crank 820 rotates upward, it drives the movable column 85 to be lifted and rotated 180 degrees.

[0025] By setting the lifting and rotating component 8, the steel 3 is lifted and automatically rotated 180 degrees. In cooperation with the fan 10, the fan 10 blows wind to evenly blow dust around the steel 3. At the same time, the steel 3 comes into contact with the bristles 11 after being lifted upward. In the process of rotating 180 degrees, the bristles 11 brush away the dust and impurities on the top of the steel 3, thereby realizing the automatic and rapid removal of steel chips and dust impurities on the surface of the steel 3, thereby improving the subsequent welding quality.

[0026] Example 3 Based on Example 2, see Figure 6-Figure 7As shown, a U-shaped cover 9 is fixed between the tops of the two L-shaped seats 1, a fan 10 is fixed on one side of the U-shaped cover 9, the fan 10 is controlled by an external switch and is electrically connected to an external power supply, an air outlet of the fan 10 blows air into the U-shaped cover 9, a plurality of bristles 11 are fixed on the top wall of the U-shaped cover 9, an inclined plate 12 is fixed between the opposite sides of the inner wall of the U-shaped cover 9, and after the steel 3 falls onto the inclined plate 12, it slides onto the conveyor belt 7 for transmission.

[0027] An elastic pushing unit 13 is provided on one side of the U-shaped cover 9 to push the steel 3 on the support plate 810 to fall onto the conveyor belt 7. The elastic pushing unit 13 includes a U-shaped seat 131 fixed on one side of the U-shaped cover 9. A roller 132 is rotatably connected between opposite sides of the inner wall of the U-shaped seat 131. A motor 3 133 is fixed on one side of the U-shaped seat 131. The motor 3 133 drives the roller 132 to rotate.

[0028] A Z-shaped arc groove 134 is opened on the surface of the rotating roller 132, two mounting rods 135 are fixed between the inner walls of the U-shaped seat 131, and a movable seat 136 is slidably connected between the outer surfaces of the two mounting rods 135. The outer surfaces of the two mounting rods 135 are sleeved with springs 137, one end of the two springs 137 is fixed to one side of the movable seat 136, and the other ends of the two springs 137 are fixed to the inner wall of the U-shaped seat 131, folding rods 138 are fixed on both sides of the movable seat 136, and one end of the two folding rods 138 is fixed to a push plate 139, and a convex column is fixed to the bottom of the movable seat 136, which is not shown in the drawings of the specification of the convex column, and the convex column slides in the Z-shaped arc groove 134.

[0029] By setting the elastic pushing unit 13, the automatic impact discharge of the cleaned steel 3 on the support plate 810 is realized, and the steel 3 is quickly pushed onto the inclined plate 12 and slides onto the conveyor belt 7 for transmission and feeding. There is no need for manual material removal, which facilitates connection with further welding operations.

[0030] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0031] During operation, the steel materials 3 are stacked into the storage box 4, and the steel material 3 at the bottom falls onto the two L-shaped seats 1. The motor 1 511 is further started to drive the rotating arm 1 59 and the rotating arm 2 510 to rotate, and then the rotating arm 2 510 drives the T-shaped seat 54 to move back and forth left and right, and then the T-shaped seat 54 drives the L-shaped frame 56 to move back and forth left and right. When the L-shaped frame 56 moves to the right, it contacts the steel material 3 and at the same time, the steel material 3 drives the L-shaped frame 56 to rotate left. When the L-shaped frame 56 moves to the right, it contacts the steel material 3 and at the same time, the steel material 3 drives the L-shaped frame 56 to rotate left. When it moves to the right side of the steel 3, the L-shaped frame 56 is driven by the T-shaped seat 54 to move leftward, and then the L-shaped frame 56 drives the steel 3 to move leftward, and the cycle is repeated, and the steel 3 in the storage box 4 is taken out in turn for loading. When the steel 3 falls on the support plate 810, the motor 2 814 is started, so that the motor 2 814 drives the pulley 1 817 and the pulley 2 818 to rotate, and the pulley 2 818 drives the crank 820 to rotate, and then the crank 820 drives the arc frame 83 and the slide plate 821 upward. The belt pulley 817 drives the fixed rod 815 to rotate, and the fixed rod 815 slides in the cross arc groove 811, and drives the rotating wheel 84 to rotate 180 degrees, and the supporting plate 810 drives the steel 3 to rise and rotate 180 degrees at the same time, and starts the fan 10, so that the fan 10 blows air to evenly blow the steel 3 rotated 180 degrees, and at the same time, the top of the steel 3 contacts the bristles 11, and the bristles 11 are used to brush away steel chips and dust impurities while rotating, and further starts Motor three 133 drives the roller 132 to rotate, thereby driving the convex column on the movable seat 136 to slide in the arc groove of the Z-shaped arc groove 134, thereby causing the movable seat 136 to move to the right and compressing the spring 137. When the convex column slides to the horizontal groove part of the Z-shaped arc groove 134, the spring 137 is reset, driving the movable seat 136 to move to the left, and at the same time causing the two push plates 139 to push the steel 3 to the left, so that the steel 3 falls onto the conveyor belt 7 for transmission and loading.

[0032] The above embodiments of the invention are described in detail, but the contents are only preferred embodiments of the invention and cannot be considered to limit the scope of the invention. All equivalent changes and improvements made within the scope of the invention should still fall within the scope of the invention.

Claims

1. A heavy-duty truck charging and swapping frame production device, comprising two L-shaped seats (1), characterized in that: Four support columns (2) are fixed to the bottom of the two L-shaped seats (1); a plurality of steel materials (3) are slidably connected to the two L-shaped seats (1); a material storage box (4) is fixed between the tops of the two L-shaped seats (1); and an automatic feeding mechanism (5) for intermittently pushing and feeding the plurality of steel materials (3) is provided between the two L-shaped seats (1); The automatic feeding mechanism (5) comprises a mounting seat (51) arranged below two L-shaped seats (1), two vertical plates (52) are fixed on both sides of the mounting seat (51), one side of the four vertical plates (52) is fixed to one side of the L-shaped seat (1), a T-shaped slot (53) is provided on the top of the mounting seat (51), a T-shaped seat (54) is slidably connected to the inner surface of the T-shaped slot (53), and the T-shaped seat (54) is rotatably connected to the L-shaped frame (56) via a plurality of rotating shafts (55), and the mounting seat (51) is provided with a plurality of rotating shafts (55). A slide groove (57) is provided through the bottom of the seat (51), a fixing plate (58) is fixed to the bottom of the mounting seat (51), one side of the fixing plate (58) is rotatably connected to a rotating arm 1 (59), one end of the rotating arm 1 (59) is rotatably connected to a rotating arm 2 (510) via a pin shaft, one end of the rotating arm 2 (510) is rotatably connected to the bottom of the T-shaped seat (54), and a motor 1 (511) is fixed to the other side of the vertical plate (52), and the motor 1 (511) drives the rotating arm 1 (59) to rotate.

2. A heavy-duty truck charging and swapping frame production device according to claim 1, characterized in that: A mounting frame (6) is provided on one side of the support column (2), and a conveyor belt (7) is provided on the mounting frame (6).

3. A heavy-duty truck charging and swapping frame production device according to claim 2, characterized in that: A lifting and rotating assembly (8) is provided between the mounting frame (6) and the support column (2) to drive the steel material (3) to be lifted and rotated 180 degrees. The lifting and rotating assembly (8) comprises a connecting plate (81) fixed between the support column (2) and one side of the mounting frame (6). A U-shaped plate (82) is fixed to one side of the connecting plate (81). A slide plate (821) is slidably connected to the inner surface of the U-shaped plate (82). An arc frame (83) is fixed to one side of the slide plate (821). A rotating wheel (84) is rotatably connected to the top of the U-shaped plate (82).

4. A heavy-duty truck charging and swapping frame production device according to claim 3, characterized in that: A moving column (85) is slidably connected inside the rotating wheel (84), and an annular groove (86) is provided on the outer surface of the moving column (85). Two cross bars (87) are fixed on one side of the sliding plate (821), and the two cross bars (87) are clamped inside the annular groove (86). Limiting bars (88) are fixed on both sides of the moving column (85). Two limiting grooves (89) are provided on the inner surface of the rotating wheel (84), and the two limiting bars (88) are located in the limiting grooves (89), and the outer surfaces of the limiting bars (88) are in contact with the limiting grooves (89). The inner surface of the positioning groove (89) is slidably connected, a support plate (810) is fixed to the top of the movable column (85), a cross arc groove (811) is opened on the surface of the rotating wheel (84), through grooves (812) are opened on both sides of the rotating wheel (84), and the through grooves (812) are connected to the cross arc groove (811); one side of the mounting frame (6) is rotatably connected to a rotating rod (813), and the other side of the mounting frame (6) is fixed with a second motor (814), and the second motor (814) drives the rotating rod (813) to rotate.

5. A heavy-duty truck charging and swapping frame production device according to claim 4, characterized in that: Two fixing rods (815) are fixed on the rotating rod (813), and two T-shaped arc plates (816) are also fixed on the rotating rod (813). One end of the two fixing rods (815) slides in the cross arc groove (811), and the two T-shaped arc plates (816) pass through the through groove (812) when rotating. A pulley 1 (817) is fixed on the outer surface of the rotating rod (813), and a pulley 2 (818) is rotatably connected to one side of the support column (2). The pulley 2 (818) is connected to the pulley 1 (817) through a belt (819). A crank (820) is fixed on the output shaft of the pulley 2 (818), and one end of the crank (820) extends to the inside of the arc frame (83), and one end of the crank (820) slides in the arc frame (83).

6. A heavy-duty truck charging and swapping frame production device according to claim 1, characterized in that: A U-shaped cover (9) is fixed between the tops of the two L-shaped seats (1), a fan (10) is fixed on one side of the U-shaped cover (9), a plurality of bristles (11) are fixed on the top wall of the U-shaped cover (9), and an inclined plate (12) is fixed between opposite sides of the inner wall of the U-shaped cover (9).

7. A heavy-duty truck charging and swapping frame production device according to claim 6, characterized in that: An elastic material pushing unit (13) is provided on one side of the U-shaped cover (9) for pushing the steel material (3) on the support plate (810) to fall onto the conveyor belt (7). The elastic material pushing unit (13) comprises a U-shaped seat (131) fixed on one side of the U-shaped cover (9). A roller (132) is rotatably connected between opposite sides of the inner wall of the U-shaped seat (131). A motor three (133) is fixed on one side of the U-shaped seat (131). The motor three (133) drives the roller (132) to rotate.

8. A heavy-duty truck charging and swapping frame production device according to claim 7, characterized in that: A Z-shaped arc groove (134) is provided on the surface of the rotating roller (132); two mounting rods (135) are fixed between the inner walls of the U-shaped seat (131); a movable seat (136) is slidably connected between the outer surfaces of the two mounting rods (135); springs (137) are sleeved on the outer surfaces of the two mounting rods (135); one end of the two springs (137) is fixed to one side of the movable seat (136); the other ends of the two springs (137) are fixed to the inner wall of the U-shaped seat (131); folding rods (138) are fixed to both sides of the movable seat (136); and one end of the two folding rods (138) is fixed to a push plate (139).

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