Plate bending mechanism and bending machine

Abstract

The utility model relates to the technical field of bending machines, and discloses a plate bending mechanism and a bending machine, the plate bending mechanism comprises a mounting plate and a base, the left side of the upper end of the mounting plate is fixedly provided with a fixing assembly, the right end of the upper end of the mounting plate is rotatably connected with a bending assembly, the fixing assembly and the bending assembly are jointly sleeved with the same plate, and a motor is fixedly installed below the bending assembly. The motor is located below the mounting plate, the upper end of the base is provided with a shell, the front end of the shell is rotationally connected with two mirror symmetry adjusting windows, the left side of the base is rotationally connected with an overhaul window, a sliding groove box is fixedly mounted among the shell, the base and the mounting plate jointly, a sliding block is slidably connected into the sliding groove box, and a hand lever is fixedly mounted on the sliding block. The plate is fixed through the fixing assembly, the bending assembly is driven to rotate through rotation of the motor, the plate is bent, the bending precision is improved, meanwhile, the bent plate is taken out by sliding the hand pull rod left and right along the sliding groove box, and operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machines, in particular to a sheet metal bending mechanism and a bending machine. Background Art

[0002] A bending machine is a device capable of bending thin plates, and the bent thin plates of different shapes are used in different fields. Traditional bending machines usually consist of a fixed structure and a bending structure. During the bending process, it is easy to cause the bent thin plate to fail to reach the expected effect due to insufficient fixation, and the bending accuracy for thin plates of different thicknesses is insufficient. Therefore, a sheet metal bending mechanism and a bending machine are proposed. Summary of the Utility Model

[0003] (1) Technical Problems to be Solved

[0004] In view of the deficiencies of the prior art, the utility model provides a sheet metal bending mechanism and a bending machine, which have the advantages of firm clamping and good bending effect, and solve the problems that in the bending process of traditional bending machines, the bent thin plates are likely to fail to reach the expected effect due to insufficient fixation, and the bending accuracy for thin plates of different thicknesses is insufficient.

[0005] (2) Technical Solutions

[0006] To achieve the above-mentioned purposes of firm clamping and good bending effect, the utility model provides the following technical solutions:

[0007] On the one hand, the utility model provides a sheet metal bending mechanism, including a mounting plate. A fixing component is fixedly installed on the left side of the upper end of the mounting plate, and a bending component is rotatably connected to the right side of the upper end. The same sheet metal is sleeved by the fixing component and the bending component. A motor is fixedly installed below the bending component, and the motor is located below the mounting plate;

[0008] The fixing component includes a fastening box, the bottom end of the fastening box is fixed to the mounting plate, a fastener is slidably clamped inside the fastening box, a first bolt is threadedly connected to the front end of the fastening box, and several springs are arranged between the front side of the fastening box and the fastener;

[0009] The bending component includes a bending wheel, the bottom of the bending wheel is rotatably connected to the mounting plate, a turntable is fixed to the lower half of the bending wheel, the turntable is located above the mounting plate, a bending frame is sleeved on the bending wheel, two second bolts are threadedly connected to the front end of the bending wheel in a vertical distribution, a nut is threadedly connected to the front end of the bending frame, and several rotatable balls are clamped to the bottom of the turntable.

[0010] As a preferred technical solution of the present utility model, a first through hole and a second through hole are provided on the mounting plate. The first through hole is circular, and the second through hole is rectangular. The bending assembly is rotationally connected to the mounting plate through the first through hole.

[0011] As a preferred technical solution of the present utility model, two first grooves in the front-back direction are provided at both the upper and lower ends inside the fastening box. Two first protrusions are provided at both the upper and lower ends of the fastener. The first protrusions and the first grooves are slidably matched with each other. The rear end of the first bolt contacts the front end of the fastener. Two hollow holes are formed between the fastener and the fastening box and are distributed front and back. A spring is arranged inside the front hollow hole, and a plate is inserted into the rear hollow hole.

[0012] As a preferred technical solution of the present utility model, the bending wheel and the bending connection can slide back and forth. A third through hole and two fourth through holes are provided at the front end of the bending wheel. The third through hole is of a circular structure, and the fourth through holes are all threaded through holes. The fourth through holes are located at the upper and lower ends of the bending wheel, and the third through hole is located in the middle of the bending wheel. The front end of the bending wheel is of a screw structure and passes through the third through hole and is threadedly connected to a nut.

[0013] As a preferred technical solution of the present utility model, the rear end of the second bolt contacts the front end of the bending frame through the fourth through hole. Anti-slip strips are provided on the front side surfaces of the front ends of the first bolt, the second bolt, and the nut. The balls are arranged in an array about the central axis of the rotation center of the bending assembly, and the bottoms of the balls all contact the top of the mounting plate.

[0014] On the other hand, the present utility model provides a bending machine, inside which a sheet metal bending mechanism of one aspect is installed. The bending machine includes a base. An outer shell is installed at the upper end of the base. Two mirror-symmetrical adjustment windows are rotatably connected to the front end of the outer shell. An inspection window is rotatably connected to the left side of the base. A chute box is fixedly installed among the outer shell, the base, and the mounting plate. A slider is slidably connected inside the chute box, and a hand pull rod is fixedly installed on the slider.

[0015] As a preferred technical solution of the present utility model, the inside of the base is hollow. The motor is installed inside the base. A fifth through hole and a sixth through hole are provided at the upper end of the base. The fifth through hole is circular, and the sixth through hole is rectangular. A seventh through hole is provided at the left end of the outer shell, and the right end is not sealed.

[0016] As a preferred technical solution of the present utility model, both the fixing assembly and the bending assembly are located at the upper end of the mounting plate and inside the outer shell. The fixing assembly is fixed to the outer shell through the seventh through hole.

[0017] As a preferred technical solution of the present utility model, a through hole eight is provided at the front end of the base, the chute box is fixed on the through hole two and the through hole six, the chute box is open at the upper end, a through hole nine is provided at the bottom, and grooves two are provided on both the front and rear sides inside. Convex blocks two are provided on both the front and rear sides of the slider, and the slider slides left and right on the groove two through the convex blocks two. The hand pull rod is of an L-shaped structure, the lower part of the hand pull rod penetrates through the through hole eight and the through hole nine, and the upper part of the hand pull rod is located inside the housing and is higher than the plate.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the present utility model provides a plate bending mechanism and a bending machine, which have the following beneficial effects:

[0020] The plate bending mechanism and the bending machine are provided with a fixing component. By rotating the first bolt, the fastening piece slides in the fastening box to fix the plate. At the same time, a bending component is provided. By the rotation of the motor, the plate between the bending frame and the bending wheel is bent. At the same time, by rotating the second bolt and the nut, the front and rear positions of the bending frame are adjusted to be suitable for bending plates of different thicknesses. At the same time, the provided spring makes the sliding of the fastening piece in the fixing component more stable, improving the bending accuracy. By providing a slider and a hand pull rod that can slide inside the chute box, the bent plate is taken out by moving the hand pull rod left and right, which is convenient for the user to use. Description of the drawings

[0021] Figure 1 It is an unfolded schematic diagram of the overall structure of the present utility model;

[0022] Figure 2 It is a closed schematic diagram of the overall structure of the present utility model;

[0023] Figure 3 It is a schematic diagram of a partial structure of the chute box of the present utility model;

[0024] Figure 4 It is a schematic diagram of the plate bending mechanism of the present utility model;

[0025] Figure 5 It is a schematic diagram of the structure of the fixing component of the present utility model;

[0026] Figure 6 It is a schematic diagram of the structure of the bending component of the present utility model;

[0027] Figure 7 It is a sectional view of the structure of the bending component of the present utility model.

[0028] In the figure: 1, mounting plate; 2, fixing component; 3, bending component; 4, plate; 5, motor; 6, base; 7, housing; 8, adjustment window; 9, maintenance window; 10, chute box; 11, slider; 12, hand pull rod; 201, fastening box; 202, fastener; 203, first bolt; 204, spring; 301, bending wheel; 302, turntable; 303, bending frame; 304, second bolt; 305, nut; 306, ball. Specific implementation mode

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0030] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0031] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0032] Embodiment 1

[0033] Please refer to Figure 4 , a plate bending mechanism, including a mounting plate 1, a fixing component 2 is fixedly installed on the left side of the upper end of the mounting plate 1, a bending component 3 is rotatably connected to the right end of the upper end, the fixing component 2 and the bending component 3 commonly sleeved with the same plate 4, a motor 5 is fixedly installed below the bending component 3, and the motor 5 is located below the mounting plate 1;

[0034] Please refer to Figure 5, the fixing component 2 includes a fastening box 201. The bottom end of the fastening box 201 is fixed to the mounting plate 1. A fastener 202 is slidably clamped inside the fastening box 201. A first bolt 203 is threadedly connected to the front end of the fastening box 201. A number of springs 204 are arranged between the front side of the fastening box 201 and the fastener 202;

[0035] Please refer to Figures 6-7 , the bending component 3 includes a bending wheel 301. The bottom of the bending wheel 301 is rotatably connected to the mounting plate 1. A turntable 302 is fixed to the lower half of the bending wheel 301. The turntable 302 is located above the mounting plate 1. A bending frame 303 is sleeved on the bending wheel 301. Two second bolts 304 distributed vertically are threadedly connected to the front end of the bending wheel 301. A nut 305 is threadedly connected to the front end of the bending frame 303. A number of rotatable balls 306 are clamped to the bottom of the turntable 302.

[0036] It should be noted that the fixing component 2 is used to fixedly clamp the plate 4, and the bending component 3 is used to sleeve the plate 4 and bend the plate 4. The plate 4 is fixed by rotating the first bolt 203 to move the fastener 202. The bending frame 303 is adjusted to move back and forth by rotating the second bolt 304 and the nut 305 to sleeve plates 4 of different models.

[0037] In this embodiment, a first through hole and a second through hole are formed in the mounting plate 1. The first through hole is circular, and the second through hole is rectangular. The bending component 3 is rotatably connected to the mounting plate 1 through the first through hole.

[0038] It should be noted that the bending component 3 sleeved on the plate 4 is rotated by the motor 5 to bend the plate 4. When the bending is completed, the motor 5 rotates back to the initial position to facilitate the next bending.

[0039] In this embodiment, two front-to-back grooves 1 are formed at both the upper and lower ends inside the fastening box 201. Two protrusions 1 are formed at both the upper and lower ends of the fastener 202. The protrusions 1 and the grooves 1 are slidably matched. The rear end of the first bolt 203 contacts the front end of the fastener 202. Two hollow holes are formed between the fastener 202 and the fastening box 201 and distributed front and back. A spring 204 is arranged inside the front hollow hole, and the plate 4 is inserted into the rear hollow hole.

[0040] It should be noted that the force center points of all the springs 204 on the fastener 202 should be located at the center of the fastener 202, and the contact point between the rear end of the first bolt 203 and the fastener 202 is also located at the center of the fastener 202. The fastener 202 is slid along the groove 1 by rotating the first bolt 203 to fix the plate 4. At the same time, the left and right sides of the spring 204 ensure more stable sliding.

[0041] In this embodiment, the bending wheel 301 and the bending connection can slide back and forth. A through hole three and two through holes four are provided at the front end of the bending wheel 301. The through hole three is a circular structure, and the through holes four are all threaded through holes. The through holes four are located at the upper and lower ends of the bending wheel 301, and the through hole three is located in the middle of the bending wheel 301. The front end of the bending wheel 301 is a screw structure that passes through the through hole three and is threadedly connected to the nut 305.

[0042] It should be noted that the bending frame 303 can slide back and forth so as to bend plates 4 with different thicknesses. At the same time, the second bolt 304 can limit the leftward movement of the bending frame 303, and the nut 305 can limit the rightward movement of the bending frame 303. By rotating the second bolt 304 and the nut 305 to move the bending frame 303 back and forth, the size of the through hole for sleeving the plate 4 is controlled, and plates 4 with different bending effects are obtained by rotation.

[0043] In this embodiment, the rear end of the second bolt 304 contacts the front end of the bending frame 303 through the through hole four. Anti-slip strips are provided on the front side surfaces of the first bolt 203, the second bolt 304, and the nut 305. The balls 306 are distributed in an array about the central axis of the rotation center of the bending assembly 3, and the bottoms of the balls 306 all contact the top of the mounting plate 1.

[0044] It should be noted that the function of the balls 306 is to make the bending assembly 3 rotate more labor-saving and improve work efficiency. The function of the anti-slip strips is to facilitate its rotation and make it more labor-saving to use.

[0045] Embodiment 2

[0046] Please refer to Figures 1-3 , a bending machine, which internally installs a plate bending mechanism of Embodiment 1. The bending machine includes a base 6. An outer shell 7 is installed at the upper end of the base 6. Two mirror-symmetrical adjustment windows 8 are rotatably connected to the front end of the outer shell 7. An inspection window 9 is rotatably connected to the left side of the base 6. A chute box 10 is fixedly installed among the outer shell 7, the base 6, and the mounting plate 1. A slider 11 is slidably connected inside the chute box 10, and a hand pull rod 12 is fixedly installed on the slider 11.

[0047] It should be noted that the inspection window 9 facilitates the inspection and replacement of the motor 5. The adjustment window 8 can be opened at any time. By rotating the first bolt 203, the second bolt 304, and the nut 305, the clamping and bending effects of the plate 4 are adjusted, making it more convenient to use.

[0048] In this embodiment, the inside of the base 6 is hollow, the motor 5 is installed inside the base 6. A through hole five and a through hole six are provided at the upper end of the base 6. The through hole five is circular, and the through hole six is rectangular. A through hole seven is provided at the left end of the outer shell 7, and the right end is not sealed.

[0049] It should be noted that the motor 5 provided inside the base 6 is not in a different module from the fixing component 2 and the bending component 3, and the mutual interference between the two is smaller, which improves the strength of the fixed plate 4 and has a better bending effect.

[0050] In this embodiment, both the fixing component 2 and the bending component 3 are located at the upper end of the mounting plate 1 and inside the housing 7, and the fixing component 2 is fixed to the housing 7 through the seventh through hole.

[0051] It should be noted that the plate 4 enters through the seventh through hole at the left end of the housing 7, passes through the fixing component 2 and the bending component 3 in sequence, and exits through the right end of the housing 7 after bending.

[0052] In this embodiment, a through hole eight is opened at the front end of the base 6. The chute box 10 is fixed on the second through hole and the sixth through hole. The upper end of the chute box 10 is open, a through hole nine is opened at the bottom, and grooves two are opened on both the front and rear sides inside. Protrusions two are provided on both the front and rear sides of the slider 11. The slider 11 slides left and right on the groove two through the protrusions two. The hand pull rod 12 is in an L-shaped structure. The lower part of the hand pull rod 12 passes through the through hole eight and the through hole nine, and the upper part of the hand pull rod 12 is located inside the housing 7 and is higher than the plate 4.

[0053] It should be noted that by pulling the hand pull rod 12 to the right, the hand pull rod 12 will slide to the right along the chute box 10 through the slider 11. At the same time, the upper end of the hand pull rod 12 will drive the bent plate 4 to move to the right together, which is convenient for taking out the plate 4.

[0054] In summary: For this plate bending mechanism and bending machine, a fixing component 2 is provided. By rotating the first bolt 203, the fastening member 202 slides in the fastening box 201 to fix the plate 4. At the same time, a bending component 3 is provided. By rotating the motor 5, the plate 4 between the bending frame 303 and the bending wheel 301 is bent. At the same time, the position of the bending frame 303 is adjusted back and forth by rotating the second bolt 304 and the nut 305 to be applicable to bending plates 4 with different thicknesses. At the same time, the provided spring 204 makes the sliding of the fastening member 202 in the fixing component 2 more stable, improving the bending accuracy. By providing a slider 11 and a hand pull rod 12 that can slide inside the chute box 10, the bent plate 4 is taken out by moving the hand pull rod 12 left and right, which is convenient for users to use.

[0055] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sheet bending mechanism, comprising a mounting plate, characterized in that: A fixing component is fixedly installed on the left side of the upper end of the mounting plate, and a bending component is rotatably connected to the right side of the upper end. The same plate is sleeved by the fixing component and the bending component. A motor is fixedly installed below the bending component, and the motor is located below the mounting plate. The fixing component includes a fastening box. The bottom end of the fastening box is fixed to the mounting plate. A fastener is slidably clamped inside the fastening box. A first bolt is threadedly connected to the front end of the fastening box. A plurality of springs are arranged between the front sides of the fastening box and the fastener. The bending component includes a bending wheel. The bottom of the bending wheel is rotatably connected to the mounting plate. A turntable is fixed to the lower half of the bending wheel. The turntable is located above the mounting plate. A bending frame is sleeved on the bending wheel. Two second bolts are threadedly connected to the front end of the bending wheel and are distributed up and down. A nut is threadedly connected to the front end of the bending frame. A plurality of rotatable balls are clamped at the bottom of the turntable.

2. The sheet bending mechanism according to claim 1, wherein: A through hole one and a through hole two are formed in the mounting plate. The through hole one is circular, and the through hole two is rectangular. The bending component is rotatably connected to the mounting plate through the through hole one.

3. The sheet metal bending mechanism according to claim 2, characterized in that: Two grooves one in the front-back direction are formed at both the upper and lower ends inside the fastening box. Two convex blocks one are formed at both the upper and lower ends of the fastener. The convex blocks one and the grooves one are slidably matched with each other. The rear end of the first bolt contacts the front end of the fastener. Two hollow holes are formed between the fastener and the fastening box and are distributed front and back. A spring is arranged inside the front hollow hole, and a plate is inserted into the rear hollow hole.

4. A sheet metal bending mechanism according to claim 3, characterized in that: The bending wheel and the bending connection can slide back and forth. A through hole three and two through holes four are formed at the front end of the bending wheel. The through hole three is of a circular structure, and the through holes four are all threaded through holes. The through holes four are located at the upper and lower ends of the bending wheel, and the through hole three is located in the middle of the bending wheel. The front end of the bending wheel is of a screw structure and passes through the through hole three and is threadedly connected to the nut.

5. A sheet metal bending mechanism according to claim 4, characterized in that: The rear end of the second bolt contacts the front end of the bending frame through the through hole four. Anti-slip strips are formed on the front side surfaces of the front ends of the first bolt, the second bolt, and the nut. The balls are arranged in an array about the central axis of rotation of the bending component, and the bottoms of the balls all contact the top of the mounting plate.

6. A bending machine, inside which is installed a sheet metal bending mechanism described in any one of the above claims 1-5. The bending machine includes a base, and is characterized in that: A housing is installed at the upper end of the base. Two mirror-symmetrical adjustment windows are rotatably connected to the front end of the housing. An inspection window is rotatably connected to the left side of the base. A chute box is fixedly installed among the housing, the base, and the mounting plate. A slider is slidably connected inside the chute box. A hand pull rod is fixedly installed on the slider.

7. A bending machine according to claim 6, characterized in that: The inside of the base is hollow. The motor is installed inside the base. A through hole five and a through hole six are formed at the upper end of the base. The through hole five is circular, and the through hole six is rectangular. A through hole seven is formed at the left end of the housing, and the right end is not sealed.

8. A bending machine according to claim 7, wherein: The fixing component and the bending component are both located at the upper end of the mounting plate and inside the housing. The fixing component is fixed to the housing through the through hole seven.

9. A bending machine according to claim 8, characterized in that: A through hole eight is provided at the front end of the base. The chute box is fixed on the through hole two and the through hole six. The chute box has an open upper end, a through hole nine is provided at the bottom, and groove two is provided on both the front and rear sides inside. Protrusions two are provided on both the front and rear sides of the slider. The slider slides left and right on the groove two through the protrusions two. The hand pull rod is of an L-shaped structure. The lower part of the hand pull rod penetrates through the through hole eight and the through hole nine. The upper part of the hand pull rod is located inside the housing and is higher than the plate.

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